An insulation impedance measurement circuit and an energy storage conversion system. The insulation impedance measurement circuit includes a plurality of positive electrode branches, a negative electrode branch, an insulation impedance measurement module and a power conversion module, wherein the plurality of positive electrode branches are each connected to a positive electrode of a corresponding battery pack and the power conversion module; the negative electrode branch is connected to negative electrodes of all the battery packs and the power conversion module; each positive electrode branch includes a first contactor, and the negative electrode branch includes a second contactor; and the insulation impedance measurement module is connected to the power conversion module and the negative electrode branch, and the insulation impedance measurement module is used for measuring the insulation impedance of a plurality of branches.
The present application discloses an electrical device, an electric power system, and a control method. The electrical device comprises: a trip switch and a controller. The trip switch comprises a control port, a mechanical portion, and a linkage switch. The mechanical portion comprises a locking mechanism and a closing mechanism. The closing mechanism is configured to, when closed, connect a first end and a second end of the linkage switch. The controller is connected to the control port, the control port controls the locking mechanism, and the locking mechanism is connected to the closing mechanism. The control port is configured to: when receiving a closing permission signal sent by the controller, control the locking mechanism to release the closing mechanism; and when not receiving the closing permission signal sent by the controller, control the locking mechanism to lock the closing mechanism. This technical solution can still provide a protection function when the trip switch is operated in a non-standard manner.
H02H 7/00 - Circuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail
H02H 3/06 - Circuits de protection de sécurité pour déconnexion automatique due directement à un changement indésirable des conditions électriques normales de travail avec ou sans reconnexion Détails avec reconnexion automatique
H01H 71/10 - Mécanismes d'actionnement ou de déclenchement
09 - Appareils et instruments scientifiques et électriques
Produits et services
Operating system program; supercapacitors for energy
storage; converters, electric; power converters;
resistances, electric; voltage monitoring modules;
integrated circuit module; uninterruptible power supply
apparatus [battery]; current rectifiers; distribution boxes
[electricity]; sensor; transformers [electricity]; inverters
[electricity]; electric apparatus for commutation; electric
control equipment for energy control; automation systems for
power stations; batteries, electric; battery pack;
photovoltaic devices and equipment for solar power
generation.
4.
POWER MODULE, PREPARATION METHOD, POWER CONVERSION APPARATUS, AND ELECTRICAL DEVICE
Embodiments of the present disclosure provide a power module, a preparation method, a power conversion apparatus, and an electrical device. The power module comprises: a power chip, a temperature sensor support layer covering the power chip, a temperature measurement channel located in the temperature sensor support layer, and a temperature sensor provided on the temperature sensor support layer, wherein the temperature sensor is configured to measure the temperature of the power chip by means of the temperature measurement channel. The power module, the preparation method, the power conversion apparatus, and the electrical device enable accurate measurement of the temperature of a power chip.
A direct-current converter and a control method therefor. The direct-current converter comprises a multilevel conversion circuit, a resonant circuit, a transformer circuit, a rectifier circuit, and a filter capacitor. The multilevel conversion circuit is composed of n same sub-modules and one bridge arm inductor connected in series. The resonant circuit is connected in parallel to two ends of the bridge arm inductor. One pole of a primary side of the transformer circuit is connected to a connection point between the sub-modules and the bridge arm inductor by means of a series branch of the resonant circuit, and the other pole of the primary side of the transformer circuit is configured to be connected to a negative terminal of a first direct-current source. The rectifier circuit is arranged on a secondary side of the transformer circuit.
H02M 3/335 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
A power conversion device. At least one power semiconductor device (101) is embedded in a first PCB (1), and the power semiconductor device (101) is connected to circuit traces on at least one conductive layer (110) in the first PCB (1), so as to form a power conversion circuit by means of the first PCB (1). Moreover, a branch carrying a current to be measured in the power conversion circuit passes through a magnetic ring (2), and at least a portion of a magnetic field sensor (4) is arranged at an opening of the magnetic ring (2). Furthermore, the magnetic ring (2) is disposed on a surface of the first PCB (1) or above the first PCB (1), or a portion of the magnetic ring (2) is disposed inside the first PCB (1), while the magnetic field sensor (4) is disposed on the surface of the first PCB (1). Accordingly, the magnetic field sensor (4) and the magnetic ring (2) are integrated with the power conversion circuit on the same PCB.
A power module, a preparation method, a circuit board, an apparatus, and a system. The power module comprises a substrate, a first thermally conductive base and, electrically connected to each other, a first-type wafer and a second-type wafer. The first-type wafer and the second-type wafer are arranged on the same side of the substrate, wherein the current carrying density of the second-type wafer is less than the current carrying density of the first-type wafer. The first thermally conductive base is arranged between the substrate and the first-type wafer, and the volume of the first thermally conductive base is greater than the volume of the first-type wafer.
H01L 23/367 - Refroidissement facilité par la forme du dispositif
H01L 25/18 - Ensembles consistant en une pluralité de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide les dispositifs étant de types prévus dans plusieurs différents groupes principaux de la même sous-classe , , , , ou
A cooling device and a power conversion apparatus. The cooling device comprises: a main board, which is configured to be connected to a first component; and a cooling plate, which comprises a plurality of plate bodies, wherein the plurality of plate bodies form a medium flow channel by means of enclosing, at least one plate body is a first plate body, and the side of the first plate body facing away from the medium flow channel is connected to the main board.
A grid-connected inverter and an overvoltage suppression method therefor are provided. The method includes determining whether a voltage at an alternating-current port of the grid-connected inverter exceeds a preset threshold; controlling, in a case that the voltage does not exceed the preset threshold, the grid-connected inverter to operate in a current-source mode when being connected to a power grid; in a case that the voltage exceeds the preset threshold, controlling the grid-connected inverter to operate in a voltage-source mode when being connected to the power grid, to enable a reactive current or reactive power from the alternating-current port to respond within a preset duration; and switching, when the reactive current is greater than or equal to a preset reactive current or when the reactive power is greater than or equal to a preset reactive power, the grid-connected inverter from the voltage-source mode to the current-source mode.
A clamp-type matrix converter and an electrical device. The clamp-type matrix converter comprises: a matrix converter and at least one voltage clamp circuit. The matrix converter is a full-bridge matrix converter or a half-bridge matrix converter. The at least one voltage clamp circuit is connected to a primary-side conversion circuit of the matrix converter. When all of bidirectional switching components in at least one bridge arm in the primary-side conversion circuit are in a bidirectional blocking state, the at least one voltage clamp circuit is configured to provide a current freewheeling path for each bidirectional switching component in the bidirectional blocking state.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Operating system program; supercapacitors for energy
storage; converters, electric; power converters;
resistances, electric; voltage monitoring modules;
integrated circuit module; uninterruptible power supply
apparatus [battery]; current rectifiers; distribution boxes
[electricity]; sensor; transformers [electricity]; inverters
[electricity]; electric apparatus for commutation; electric
control devices for energy management; automatic electrical
apparatus for power stations; batteries, electric; battery
pack; photovoltaic devices and equipment for solar power
generation.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Programmable controllers; computer programs, downloadable;
power controllers; power distribution boxes;
microcontrollers; switches, electric; direct current
converters; distribution consoles [electricity]; electric
control devices for energy management; batteries, electric.
A micro inverter and a method for supplying power. The micro inverter comprises: a primary-side power module, a power transformer, a secondary-side power module, a first auxiliary power supply, and a second auxiliary power supply. The first auxiliary power supply is connected to a direct-current power source and the primary-side power module, the primary-side power module is connected via the power transformer to the second auxiliary power supply, and the second auxiliary power supply is connected to the secondary-side power module. The first auxiliary power supply is configured for stepping down an output voltage of the direct-current power source to obtain an output voltage of the first auxiliary power supply. The second auxiliary power supply is configured for stepping down the voltage, outputted by the power transformer through transforming an output of the primary-side power module, to obtain an output voltage of the second auxiliary power supply.
H02M 1/00 - Détails d'appareils pour transformation
H02M 7/5395 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur avec commande automatique de la forme d'onde ou de la fréquence de sortie par modulation de largeur d'impulsions
09 - Appareils et instruments scientifiques et électriques
Produits et services
computer programs [downloadable software]; materials for electricity mains [wires, cables]; current rectifiers; converters, electric; transformers; distribution boxes [electricity]; inverters [electricity]; ultracapacitors for energy storage; inverters for power supply; voltage stabilizing power supply; electric control devices for energy management; batteries, electric; Photovoltaic installations for generating electricity [photovoltaic power plants].
The present application relates to the technical field of electrical wiring. Disclosed are a connector for wiring, and an energy storage system. The connector comprises a plug, a socket and a first locking assembly, wherein the plug is in plug-in mating with the socket, and plug-in mating positions of the plug and the socket include a pre-plugging position and an electrical-connection plugging position; and the first locking assembly has locking and unlocking functions and is at least configured to lock the plug-in mating position of the plug and the socket at the pre-plugging position. The connector for wiring eliminates the need to disassemble a wire assembly for transportation, thereby reducing transportation costs; and after transportation to a site, it is only necessary to continue to adjust the first locking assembly on the basis of pre-mounting and to adjust the plug-in mating position of the plug and the socket, such that the operation is very simple and convenient, thereby greatly reducing the risk of misoperations such as on-site incorrect plugging and plugging by mistake.
H01R 13/629 - Moyens additionnels pour faciliter l'engagement ou la séparation des pièces de couplage, p. ex. moyens pour aligner ou guider, leviers, pression de gaz
H01R 13/639 - Moyens additionnels pour maintenir ou verrouiller les pièces de couplage entre elles après l'engagement
16.
POWER CONVERTER, METHOD AND APPARATUS FOR INSULATION DETECTION THEREOF
Disclosed are a power converter, a method and apparatus for insulation detection thereof. The power converter is provided with a switch between a node at which two alternating-current switches in any phase of an alternating-current side of the power converter are connected in series to each other and a virtual neutral point of the alternating-current side. The switch may be turned on while a second alternating-current switch connected thereto being turned on, to provide an alternating-current side detection loop for detecting the insulation impedance between an alternating-current side neutral point of the power converter and ground. The switch may also be turned on while a first alternating-current switch connected thereto being turned on and at least one switching transistor in the power converter being turned on, to provide a direct-current side detection loop for detecting the insulation impedance of the direct-current side of the power converter.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Frequency converter; Switchboards; Electric inverters; Electric converters; Electric current control devices; Regulated power supply apparatus; Transformers; Battery packs; Charging stations for electric vehicles; Charging appliances for rechargeable equipment; Battery charging devices for motor vehicles; Electrical control equipment; Electronic device software drivers that allow computer hardware and electronic devices to communicate with each other; Energy management software; Electric control devices for energy management; Voltage monitoring units; Computer software applications, downloadable; Voltage stabilizers; Rectifiers; Power adapters; Inverters for power supply; Apparatus and instruments for regulating electricity; Distribution consoles (electricity); Control panels (electricity); Electric power supply sockets; Voltage regulators for electric power; AC/DC converters; DC/AC converters; Electric power distribution apparatus; Electric installations for the remote control of industrial operations; Remote control telemetering machines and apparatus; Computer programs; Computer software (recorded); Downloadable computer programs; Computer software platforms, recorded or downloadable.
A casing and a battery cell. The casing (10) comprises two first walls (11) arranged opposite to each other and two second walls (12) arranged opposite to each other; the first walls (11) and the second walls (12) are alternately connected, and the area of each first wall (11) is greater than that of each second wall (12); the interior of the casing (10) is configured to accommodate an inner core assembly (30); the thickness a of the first wall (11), the height H of the casing (10), and the distance h between the inner core assembly (30) and the casing (10) satisfy the following relationship: 2h/(H-2a)≥0.5%.
A converter and a control method and apparatus therefor. A controller in the converter is configured to, in response to an alternating current voltage of an alternating current end of the converter being within a preset zero-crossing range, control an outer switching transistor in an upper bidirectional switching transistor of a first alternating current side bridge arm and an inner switching transistor in a lower bidirectional switching transistor to be complementarily turned on, and an inner switching transistor in the upper bidirectional switching transistor of the first alternating current side bridge arm and an outer switching transistor in the lower bidirectional switching transistor to be complementarily turned on, and control two switching transistors in an upper bidirectional switching transistor of a second alternating current side bridge arm to be complementarily turned on, and two switching transistors in a lower bidirectional switching transistor of the second alternating current side bridge arm to be complementarily turned on. The two switching transistors in the upper bidirectional switching transistor of the first alternating current side bridge arm are in phase with the two outer switching transistors in the second alternating current side bridge arm.
H02M 7/219 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs dans une configuration en pont
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Downloadable computer software applications; Computer peripherals; Data processors; Interactive touch screen terminals; Downloadable mobile applications; Programmable controllers; Data processing apparatus; Downloadable computer software; Network communication equipment; Optical communications instruments; Apparatus for transmission of communication; Electronic apparatus for the remote control of signals; Communication modems; Radio instruments; Electronic monitoring instruments, other than for medical use; Voltage detectors; Electric power distribution apparatus; Regulated power supply apparatus; Voltage regulators; Voltage regulators for electric power; Electric control panels; DC/AC converters; Sensors; Electric control apparatus; Inductors [electricity]; High-frequency switching power supplies; Power controllers; Power adapters; Uninterruptible electrical power supplies; Photoelectric sensors; Photoelectric cells; Integrated circuits; Electric inverters; Power connectors; Water leakage detection alarms; Supercapacitors for energy storage; Electric switches; Capacitors; Current converters; Electric power converters; Rectifier modules; Electronic chips; Chips [integrated circuits]; Microcontrollers; Transformers; Electric converters; Electrical switch cabinets; Voltage monitoring units; Electric regulating apparatus; Electrical connectors; Distribution boxes [electricity]; Low-voltage power supplies; Electric current control devices; Rectifiers; Voltage stabilizers; Distribution boards [electricity]; Semiconductors; Change-over switches [for telecommunication apparatus]; Electrical control apparatus; Industrial automation controls; Electric communication apparatus; Power regulating apparatus; Batteries; Modules for photovoltaic power generation; Battery chargers; Charging stations for electric vehicles; Charging appliances for rechargeable equipment; Battery cases. Technology consultation in the field of artificial intelligence; Scientific research in the field of electricity; Design of solar photovoltaic systems; Research in the field of artificial intelligence technology; Technical research; Database design and development; Maintenance of computer software; Database development services; Development, updating and maintenance of software and database systems; Design and development of mobile applications; Design and development of computer software; Platform as a service (PaaS); Computer system monitoring services; Software as a service (SaaS); Computer system integration services; Design and development of electronic data security systems; Development of software for chip design; Artificial intelligence as a service (AIaaS); Testing of apparatus in the field of electrical engineering.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Downloadable computer software platforms for database management; Computer peripherals; Data processors; Interactive touch screen terminals; Downloadable mobile applications for social networking; Programmable logic controllers; Data processing apparatus; Downloadable computer operating software; Communication modems; Wireless controllers to monitor and control the functioning of other electronic devices; Electronic apparatus for testing the electrical conductivity of electrical calibration apparatus; Distribution transformers; Power distributing boxes; Voltage stabilizing power supply; Voltage regulators for electric power; Electric control panels; DC/AC power converters; Electric sensors; Electronic control apparatus for electric motors; Electrical inductors; High-frequency switching power supplies; Electrical power distribution blocks; Power controllers; Power adapters; Uninterruptible electrical power supplies; Photovoltaic systems that convert sunlight into electric and thermal energy; Integrated circuit modules; Inverters; Power connectors; Circuit overload protector devices; Supercapacitors for energy storage; Switches, electric; Electric capacitors; Current converters; Electric power converters; Rectifier modules; Electronic chips for the manufacture of integrated circuits; Integrated circuit chips; Microcontrollers; Transformers; Converters, electric; Voltage monitor modules; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electric current; Electrical connections; Electrical distribution boxes; Low-voltage power supplies; Instruments and apparatus for controlling electric current, namely, electrical controllers for magnetic bearing control; Current rectifiers; Voltage stabilizers; Electrical distribution systems, namely, power distribution panels; Semiconductors; Change-over switches; Electrical integrated control systems for use in the field of energy management; Office electrical power automation systems comprised of computer hardware, wireless and wired controllers, and downloadable software for automating electrical power; Batteries, electric; Solar panels for the production of electricity; Battery chargers; Charging stations for electric vehicles; Wireless battery chargers; Battery cases
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Scientific research in the field of electricity; Design of solar photovoltaic systems; Research in the field of artificial intelligence (AI) technology; Research in the area of semiconductor processing technology; Database design and development; Maintenance of computer software; Database development services; Development, updating and maintenance of software and database systems; Design and development of software in the field of mobile applications; Design and development of computer software; Platform as a service (PAAS) featuring computer software platforms for energy monitoring and management; Monitoring of computer system operation by remote access; Computer systems integration services; Design and development of electronic data security systems; Development of software for chip design; Artificial intelligence as a service (AIAAS) featuring software using artificial intelligence for database management; Technology consultation in the field of artificial intelligence
A magnetic ring, a circuit board, and a power converter. An inner hole passing through the magnetic ring in the axial direction of the magnetic ring is provided at the center of the magnetic ring of the present solution, and the magnetic ring is attached to a board body by means of a connecting layer. In the circuit board of the present disclosure, the magnetic ring is attached to the board body by means of the connecting layer. Compared with connection methods in the prior art, the attachment method facilitates automation, thereby improving the mounting efficiency of the magnetic ring on the board body.
A power conversion system, a power conversion system control method, and a controller. The power conversion system comprises a single-stage AC/DC conversion circuit and a controller. A direct-current side of the single-stage AC/DC conversion circuit is configured to be connected to a capacitor and a DC/DC conversion circuit. The controller is configured to determine an output power of the direct-current side of the single-stage AC/DC conversion circuit, and control an average value of an output voltage of the direct-current side of the single-stage AC/DC conversion circuit to be within an average value range of the output voltage. The average value range of the output voltage is determined on the basis of the output power, and an upper limit and a lower limit of an input voltage of the DC/DC conversion circuit.
H02M 7/219 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs dans une configuration en pont
An explosion-proof box and a power conversion device. The explosion-proof box comprises a box body (1), a cover plate (2), a force-bearing assembly (3) and connecting members (4); the box body (1) is provided with a mounting part (10); the cover plate (2), the mounting part (10) and the force-bearing assembly (3) are successively arranged in a first direction (X) and are connected to each other by means of the connecting members (4); the orthographic projection of the force-bearing assembly (3) on the cover plate (2) in the first direction (X) covers at least some of the connecting members (4).
A fairing, a fan structure, and an air duct structure. The fairing comprises a plurality of bent portions, wherein at least two bent portions are nested with each other in sequence, and each of the bent portions is provided with a flow-straightening opening; and in a first direction, the projections of at least two of the plurality of bent portions overlap. When an airflow flows in the first direction, the airflow may sequentially pass through at least two bent portions. Each time the airflow passes through one bent portion, the airflow is straightened by the bent portion, so as to reduce eddies generated during the flow of the airflow and reduce noise generated by the airflow. The plurality of bent portions may straighten the airflow flowing in the first direction multiple times, thereby successively reducing the noise of the airflow during the flow and achieving obvious flow-straightening and noise-reducing effects.
A fan mounting assembly includes a mounting bracket and a fan support. The mounting bracket is arranged on a side of the power device, and the fan support connected to the fan and detachably secured to the mounting bracket. The mounting bracket has a supporting surface for supporting the fan support. The mounting bracket has a first limiter on a side of the mounting bracket towards the power device, the fan support has a second limiter, and the second limiter is matched with the first limiter so that the second limiter is limited from moving relative to the first limiter in a first direction, the first direction is perpendicular to the supporting surface. The fan support is lockable to the mounting bracket on a side of the mounting bracket away from the power device.
The present application relates to a heat exchange device and a power conversion device, and to the technical field of heat exchange. In the present application, a bottom liquid cooling plate and a side liquid cooling plate are provided to implement heat exchange on multiple surfaces of an electronic component, increasing a heat exchange area. In addition, a plurality of first fins are provided on the side liquid cooling plate, so that air circulates in a temperature adjustment space. Therefore, the heat exchange device uses a liquid and the air to jointly implement heat exchange, so as to improve heat exchange efficiency.
A heat dissipation device and a power conversion apparatus. The heat dissipation device comprises: an evaporator having an accommodating cavity; and a condenser comprising a main body portion and a partition plate. The side of the main body portion facing the evaporator is provided with a condensation cavity extending in a first direction, the condensation cavity being in communication with the accommodating cavity. The partition plate is disposed in the condensation cavity and is connected to the main body portion. The partition plate divides the condensation cavity into a plurality of condensation channels arranged in a second direction. Among the plurality of condensation channels, at least one condensation channel is a first channel, and at least another condensation channel is a second channel. In the second direction, the first channel is located above the second channel, the maximum size of the first channel in the second direction being greater than the maximum size of the second channel in the second direction.
A heat dissipation device and a power conversion apparatus comprising the heat dissipation device. The heat dissipation device comprises an evaporation assembly and a condensation assembly. The evaporation assembly is provided with an accommodating cavity. The condensation assembly comprises a first condensation portion, the first condensation portion is provided with a first condensation channel extending in a first direction, and the first condensation channel is provided with a first opening in communication with the accommodating cavity. The first condensation portion is provided with a plurality of spoiler portions, the plurality of spoiler portions are located in the first condensation channel and are arranged in the first direction, every two adjacent spoiler portions are spaced apart from each other, and the spoiler portions are connected to the first condensation portion.
Pumps [parts of machines, engines or motors]; Pumps [machines]; Pumps for heating installations; Compressors; Compressors [machines]; Electric pumps; Compressors for dehumidifying machines; Circulating pumps; Condensing installations; Heat exchangers [parts of machines]; Aerocondensers; Electromechanical machines for chemical industry. Dehumidifiers for household purposes; Industrial dehumidifiers; Air-source heat pump water heaters; Electric air heaters; Storage heaters; Air-conditioning apparatus and installations; Air reheaters; Air-conditioning apparatus; Drying apparatus and installations; Ventilation [air-conditioning] installations and apparatus; Air handlers; Heat accumulators; Thermostatic valves [parts of heating installations]; Heating apparatus, electric; Heat pumps; Water heaters; Heating apparatus; Space heating apparatus; Radiators [heating]; Heating installations; Air conditioning installations for industrial purposes; Refrigerating apparatus and machines; Drying installations; Expansion tanks for central heating installations; Cooling evaporators; Thermostatic valves being parts of heating installations.
09 - Appareils et instruments scientifiques et électriques
Produits et services
computer software, recorded; computer programs [downloadable software]; current rectifiers; circuit breakers; cut-out switches; regulating apparatus, electric; photovoltaic inverters; power amplifiers; electric power converters; current converters; electric apparatus for commutation; electric control devices for energy management; inverters [electricity]; distribution boxes [electricity]; transformers; photovoltaic cells; photovoltaic apparatus and installations for generating solar electricity; electronic control apparatus.
A string inverter includes an inverter main body and multiple wiring modules. The wiring modules are detachably assembled to the inverter main body, the wiring modules each have an input end, and at least some of the wiring modules have different types of input ends. The wiring modules are independent of each other, so that during product assembly, the wiring modules having particular types of input ends can be matched according to requirements, and then the type of the string inverter can be adjusted so as to adapt to different photovoltaic arrays.
H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
H05K 5/02 - Enveloppes, coffrets ou tiroirs pour appareils électriques Détails
A battery cluster and an energy storage system are provided. The battery cluster includes a fixing device, at least two battery packs, and at least one electric cable for connecting the at least two battery packs in series. The fixing device is provided with a mounting position for the battery pack and a fixing position for the electric cable, the electric cable is fixed at the fixing position; and the battery pack is fixed at the mounting position. The cable and the fixing apparatus can be package together for transportation.
H01M 50/298 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par le câblage des blocs de batterie
H01M 10/613 - Refroidissement ou maintien du froid
H01M 10/6568 - Liquides caractérisés par des circuits d'écoulement. p. ex. boucles, situés à l'extérieur des éléments ou des boîtiers des éléments
H01M 50/264 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures pour des cellules ou des batteries, p. ex. cadres périphériques, courroies ou tiges
37.
ENERGY STORAGE ALL-IN-ONE MACHINE AND ENERGY STORAGE SYSTEM
An energy storage all-in-one machine and an energy storage system are provided. The energy storage all-in-one machine includes a battery, a switch box, and at least two connectors. The switch box is electrically connected to the battery; and the connectors are used for achieving capacity expansion of the energy storage all-in-one machine.
H01M 50/503 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie caractérisées par la forme des interconnecteurs
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
H01M 50/24 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions adaptés pour protéger les batteries de leur environnement, p. ex. de la corrosion
38.
CABINET AND SUBSTATION FOR PHOTOVOLTAIC POWER GENERATION
A cabinet and a substation for photovoltaic power generation are provided. The cabinet includes a cabinet body and branch switches arranged in the cabinet body; each branch switch includes a load switch and fuses; at least two input terminals and at least two output terminals are respectively provided for the load switch and are sequentially distributed in the depth direction of the cabinet body; the fuses, the input terminals, and the output terminals are in one-to-one correspondence; fuse output ends of the fuses are electrically connected to the input terminals; at least two fuses in the branch switch are sequentially distributed in the depth direction of the cabinet body; and the depth direction of the cabinet body is perpendicular to the width direction and the height direction of the cabinet body. According to the structural layout, the depth space of the cabinet body is fully utilized.
A battery cell, a battery pack, and an electric device. The battery cell comprises a casing (10) and an inner core (20); the casing (10) comprises a main body portion (11), and a first cover plate (12) and a second cover plate (13) connected to the main body portion (11); the main body portion (11), the first cover plate (12), and the second cover plate (13) define an accommodating cavity (14); the first cover plate (12) and the second cover plate (13) are arranged opposite to each other; the first cover plate (12) is provided with an explosion-proof valve (121); and the second cover plate (13) is provided with poles (131).
H01M 50/30 - Aménagements pour faciliter l’échappement des gaz
H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
H01M 50/176 - Dispositions pour introduire des connecteurs électriques dans ou à travers des boîtiers adaptées à la forme des cellules pour des cellules prismatiques ou rectangulaires
09 - Appareils et instruments scientifiques et électriques
Produits et services
Home energy storage systems; computer programs [downloadable software]; current converters; distribution boxes; electrical power distribution blocks; rotary converters; power controllers; inverters [electricity]; ultracapacitors for energy storage; transformers; converters, electric; current rectifiers; electric current control devices; electric control devices for energy management; electric apparatus for commutation; solar modules; batteries, electric; battery packs; Voltage monitor modules; voltage regulators for electric power.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Home energy storage systems; computer programs [downloadable software]; current converters; distribution boxes; electrical power distribution blocks; rotary converters; power controllers; inverters [electricity]; ultracapacitors for energy storage; transformers; converters, electric; current rectifiers; electric current control devices; electric control devices for energy management; electric apparatus for commutation; solar modules; batteries, electric; battery packs; Voltage monitor modules; voltage regulators for electric power.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Distribution consoles [electricity]; electric control
devices for energy management; batteries, electric; direct
current converters; programmable controllers; computer
programs, downloadable; power controllers; power
distribution boxes; microcontrollers; switches, electric.
A box and a battery cell module with same. The box is configured to store a battery cell, and the box comprises: a housing (10), wherein the housing (10) is provided with an accommodating cavity (11), a maintenance hole (12) is provided in the top of the housing (10), the maintenance hole (12) is in communication with the accommodating cavity (11), the accommodating cavity (11) is configured to store the battery cell, and the maintenance hole (12) is configured to correspond to the battery cell; and an upper cover (20) which is detachably arranged on the housing (10), wherein the upper cover (20) can cover the maintenance hole (12). Therefore, the problem of it being impossible to maintain a liquid cooling PACK and a battery cell module due to potting and adhesive bonding between a box lid and a box body is solved.
H01M 10/613 - Refroidissement ou maintien du froid
H01M 50/244 - Boîtiers secondairesBâtisDispositifs de suspensionDispositifs de manutentionSupports caractérisés par leur procédé de montage
H01M 50/262 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures
H01M 50/271 - Couvercles des boîtiers secondaires, des bâtis ou des blocs
44.
MICROINVERTER, PHOTOVOLTAIC SYSTEM, AND CONTROL METHOD
Disclosed in the present application are a microinverter, a photovoltaic system, and a control method. The microinverter comprises a controller, a primary-side H bridge, a transformer, a bidirectional switch bridge arm, and a capacitor bridge arm, wherein an input end of the primary-side H bridge is connected to a direct-current power supply; two output ends of the primary-side H bridge are respectively connected to two ends of a primary side of the transformer, and two ends of a secondary side of the transformer are respectively connected to a midpoint of the bidirectional switch bridge arm and a midpoint of the capacitor bridge arm; the bidirectional switch bridge arm and the capacitor bridge arm are connected in parallel; and the controller is used for switching control modes for the primary-side H bridge and the bidirectional switch bridge arm when the phase of each cycle of a power grid voltage is an odd multiple of 0.25π. By means of the present application, the number of instances of switching of the control modes can be reduced, and electric-energy conversion efficiency is improved.
H02J 3/38 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs
H02J 3/44 - Synchronisation d'un générateur pour sa connexion à un réseau ou à un autre générateur avec moyens pour assurer une séquence de phase correcte
H02M 3/335 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
A connector for wiring and an electrical device are provided. The connector for wiring includes a wire end assembly, a board end assembly and a bus assembly, wherein the wire end assembly is used for being electrically connected to a first wiring cable; the board end assembly is detachably connected to the wire end assembly, and includes a plurality of board-end electrical connection portions for being electrically connected to second wiring cables; and the bus assembly is mounted on the board end assembly, and includes at least one bus portion, the bus portion being used for electrically connecting at least two board-end electrical connection portions of the same polarity to one second wiring cable.
H01R 25/16 - Rails ou barres omnibus pourvus de plusieurs points de connexion pour pièces complémentaires
H01R 12/71 - Dispositifs de couplage pour circuits imprimés rigides ou structures similaires
H01R 12/75 - Dispositifs de couplage pour circuits imprimés rigides ou structures similaires se raccordant à des câbles à l'exclusion des câbles plats ou à rubans
H01R 13/66 - Association structurelle avec des composants électriques incorporés
H01R 24/28 - Pièces de couplage portant des broches, des lames ou des contacts analogues, assujetties uniquement à un fil ou un câble
H01R 31/06 - Pièces intermédiaires pour joindre deux pièces de couplage, p. ex. adaptateur
An integrated architecture of a power transformation system includes a first loading platform and a second loading platform, which are arranged in sequence in an X direction. The first loading platform is loaded with a voltage boosting and power distribution control device. The second loading platform includes a second loading area, the second loading area includes at least one loading rack, which is arranged in sequence in the X direction and/or a Y direction, each loading rack includes multiple loading layers arranged in sequence in a Z direction, and the loading layers are used for loading power transformation modules.
H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
H02B 1/21 - Dispositions de barres omnibus pour des dispositifs montés dans des baies et comportant des éléments débrochables
The present application discloses a combiner box and a photovoltaic system. The combiner box comprises: a combiner path and an excitation fuse; the excitation fuse is connected in series to the combiner path; the combiner path is used for combining a plurality of photovoltaic panels; and the excitation fuse is configured to be automatically blown or controlled to be disconnected when an insulation failure or a short-circuit fault occurs in the combiner box. The excitation fuse is connected in series to the combiner path, the excitation fuse is configured to be automatically blown or controlled to be disconnected when an insulation failure or a short-circuit fault occurs in the combiner box, for example, when a current flowing through the excitation fuse is large, the excitation fuse can be automatically blown, and the excitation fuse is also a controllable device, and can receive a control signal so as to be controlled to be disconnected. When disconnected, the excitation fuse can break a fault current, and the excitation fuse operates quickly without arcing, thereby reducing the fault range and providing timely protection.
H02H 3/08 - Circuits de protection de sécurité pour déconnexion automatique due directement à un changement indésirable des conditions électriques normales de travail avec ou sans reconnexion sensibles à une surcharge
H02H 7/26 - Protection sectionnelle de systèmes de câbles ou de lignes, p. ex. pour déconnecter une section dans laquelle un court-circuit, un défaut à la terre, ou une décharge d'arc se sont produits
H02J 3/38 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs
A photovoltaic system and a control method. The photovoltaic system comprises combiner boxes and an inverter, wherein each combiner box comprises a combiner box switch, and the inverter comprises pyrofuses and a power conversion circuit; an input end of each combiner box is connected to a corresponding photovoltaic panel, an output end of the combiner box is connected to the inverter, and the corresponding combiner box switch is connected in series between the input end of the combiner box and the output end of the combiner box; a first end of each pyrofuse is connected to a direct current side of the inverter, and a second end of the pyrofuse is connected to the power conversion circuit; when a short-circuit fault occurs between the combiner box switch and the corresponding photovoltaic panel, the combiner box switch is open, the current flowing through the pyrofuse exceeds a first current threshold, and the pyrofuse is disconnected; a short-circuit fault occurs between the combiner box switch and the direct current side of the inverter, and the combiner box switch and the corresponding pyrofuse are disconnected; and a short-circuit fault occurs inside the inverter, and the combiner box switch is open.
H02S 40/32 - Composants électriques comprenant un onduleur CC/CA associé au module PV lui-même, p. ex. module CA
H02S 40/34 - Composants électriques comprenant une connexion électrique structurellement associée au module PV, p. ex. boîtes de jonction
H02S 50/00 - Surveillance ou tests de systèmes PV, p. ex. équilibrage de charge ou identification des défauts
H02H 7/122 - Circuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour convertisseursCircuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour redresseurs pour convertisseurs ou redresseurs statiques pour onduleurs, c.-à-d. convertisseurs de courant continu en courant alternatif
49.
PROTECTION SYSTEM AND PROTECTION METHOD FOR POWER CONVERTER, AND RELATED APPARATUS
A protection system and protection method for a power converter, and a related apparatus. In the protection system, a hardware protection circuit (10) and a control module (20) respectively perform threshold comparison on the basis of direct-current side electrical parameter sampling information, and generate and output protection signals when the direct-current side electrical parameter sampling information satisfies a preset protection condition; when the hardware protection circuit (10) or the control module (20) outputs the protection signal, a trigger signal can be outputted by means of a first logic gate (30) to a control terminal of an actuation fuse on a direct-current side of the power converter, so as to control the corresponding actuation fuse to break, thereby implementing overcurrent protection.
H02H 3/08 - Circuits de protection de sécurité pour déconnexion automatique due directement à un changement indésirable des conditions électriques normales de travail avec ou sans reconnexion sensibles à une surcharge
H02H 7/122 - Circuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour convertisseursCircuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour redresseurs pour convertisseurs ou redresseurs statiques pour onduleurs, c.-à-d. convertisseurs de courant continu en courant alternatif
50.
BATTERY CELL, BATTERY PACK AND ENERGY STORAGE SYSTEM
A battery cell, a battery pack and an energy storage system. The battery cell comprises a casing (10) and an inner core (20), wherein the casing (10) has an accommodating cavity (11); and the inner core (20) is arranged in the accommodating cavity (11) and is spaced apart from a first bottom plate (12) of the casing (10) to form an exhaust channel (30). The inner core (20) comprises a positive electrode sheet (21), a separator (22) and a negative electrode sheet (23), which are stacked, wherein the distance between the edge of the side of the positive electrode sheet (21) away from an explosion-proof valve (121) and the edge of the adjacent separator (22) is greater than the distance between the edge of the side of the positive electrode sheet (21) close to the explosion-proof valve (121) and the edge of the adjacent separator (22), and the distance between the edge of the side of the negative electrode sheet (23) away from the explosion-proof valve (121) and the edge of the adjacent separator (22) is greater than the distance between the edge of the side of the negative electrode sheet (23) close to the explosion-proof valve (121) and the edge of the adjacent separator (22).
09 - Appareils et instruments scientifiques et électriques
Produits et services
home energy storage systems; computer programs [downloadable software]; current converters; distribution boxes; electrical power distribution blocks; rotary converters; power controllers; inverters [electricity]; ultracapacitors for energy storage; transformers; converters, electric; current rectifiers; electric current control devices; electric control devices for energy management; electric apparatus for commutation; solar modules; batteries, electric; battery packs; Voltage monitor modules; voltage regulators for electric power.
An unblocking control method and a related apparatus. After performing a pulse-blocking operation on a power converter, if an unblocking condition exists, a pulse-blocking state of the power converter is released at an unblocking moment within a first time period. The first time period is a time period within which a switching transistor frequency of the power converter is equal to a specified switching transistor frequency after the pulse-blocking state is released, and the specified switching transistor frequency is greater than or equal to an original switching transistor frequency of the power converter and less than or equal to the maximum switching frequency that a switching transistor of the power converter can withstand.
H02M 1/08 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques
A shading apparatus and an electrical device. The shading apparatus is used for being arranged on a transformer (5). The shading apparatus comprises a shading plate (1), and the shading plate (1) is provided with ventilation windows (10). In a first direction (X), at least part of each ventilation window (10) is arranged opposite to a corresponding cooling fin group (51) of the transformer (5). The first direction (X) is the height direction of the transformer (5).
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
data processing apparatus; interactive touchscreen terminals; computer peripheral devices; data processors; computer software applications, downloadable; programmable controllers; downloadable software applications for mobile phones; electro-dynamic apparatus for the remote control of signals; apparatus for transmission of communication; radios; network communication devices; optical communications instruments; communication modems; electronic surveillance apparatus; Electrical test apparatus; voltage detectors; electric control apparatus; high-frequency switching power supplies; low-voltage power supplies; Electrical power distribution blocks; chips [integrated circuits]; variometers; electrical connectors; semiconductors; power controllers; residual current apparatus; electronic chips; integrated circuits; microcontrollers; transformers; current rectifiers; Uninterruptible electrical power supplies; rectifier modules; Voltage monitor modules; electrical control panels; electrical switch cabinets; distribution boards [electricity]; regulating apparatus, electric; change-over switches for telecommunication apparatus; power connectors; Photoelectric sensors; electric current control devices; ultracapacitors for energy storage; electrical adapters; direct current converters; voltage regulators; electric power distribution apparatus; distribution boxes [electricity]; control panels [electricity]; switches, electric; distribution consoles [electricity]; inverters [electricity]; converters, electric; condensers [capacitors]; current converters; electric power converters; voltage regulators for electric power; Voltage stabilizing power supply; sensors; voltage stabilizers; electric installations for the remote control of industrial operations; electric apparatus for commutation; electric control devices for energy management; charging stations for electric vehicles; charging appliances for rechargeable equipment; battery boxes; batteries, electric; Photovoltaic installations for generating electricity [photovoltaic power plants]; battery chargers; downloadable computer software for generating images from text using artificial intelligence. artificial intelligence consultancy; scientific research in the field of electricity; design of solar photovoltaic systems; research in the field of artificial intelligence technology; technological research; design and development of databases; maintenance of computer software; database development services; development, updating and maintenance of software and database systems; design and development of software in the field of mobile applications; design and development of computer software; platform as a service [PaaS]; monitoring of computer system operation by remote access; software as a service [SaaS]; computer systems integration services; design and development of electronic data security systems; development of software for chip design; artificial intelligence as a service [AIaaS].
09 - Appareils et instruments scientifiques et électriques
Produits et services
Computer software applications, downloadable; Computer software platforms, recorded or downloadable; Measuring devices, electric; Calibration devices; Surveying apparatus and instruments; Dynamometers; Frequency meters; Phase indicators; Oscillographs; Materials for electricity mains [wires, cables]; Telecommunications cables; Electrical bare wires; Earth cables; Power cables; Cables for electrical signal transmission; Electric charging cables; Cables for the transmission of sounds and images; Voltage stabilizing power supply; Electrical adapters; Electric current control devices; Current converters; Inverters [electricity]; Electrical power distribution blocks; Current rectifiers; Conductors, electric; Ultracapacitors for energy storage; Rotary converters; Power controllers; Converters, electric; Transformers; Electricity distribution boxes; Condensers [capacitors]; Photovoltaic inverters; Control panels [electricity]; AC/DC inverters; Regulating apparatus, electric; Resistances, electric; Rheostats; Variometers; Semi-conductors; Magnetic wires; Electric transformers; Distribution boxes [electricity]; Cell switches [electricity]; Circuit breakers; Distribution boards [electricity]; Distribution consoles [electricity]; Inductors [electricity]; Piezoelectric sensors; Electronic resonators; Inductors; Sensors; Demagnetizers; Voltage regulators; Voltage surge protectors; Step-up transformers; Low-voltage power supplies; Remote controls; Electric apparatus for commutation; Electric control devices for energy management; Electric installations for the remote control of industrial operations; Industrial automation controls; Electric power distribution apparatus; Electric control devices for heating management; Batteries, electric; Auxiliary battery packs; Solar modules; Modules for photovoltaic power generation; Accumulators, electric; Battery boxes; Solar panels for the production of electricity; Nuclear batteries; Lithium secondary batteries; Rechargeable batteries.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Computer software applications, downloadable; Computer software platforms, recorded or downloadable; Measuring devices, electric; Calibration devices; Surveying apparatus and instruments; Dynamometers; Frequency meters; Phase indicators; Oscillographs; Materials for electricity mains [wires, cables]; Telecommunications cables; Electrical bare wires; Earth cables; Power cables; Cables for electrical signal transmission; Electric charging cables; Cables for the transmission of sounds and images; Voltage stabilizing power supply; Electrical adapters; Electric current control devices; Current converters; Inverters [electricity]; Electrical power distribution blocks; Current rectifiers; Conductors, electric; Ultracapacitors for energy storage; Rotary converters; Power controllers; Converters, electric; Transformers; Electricity distribution boxes; Condensers [capacitors]; Photovoltaic inverters; Control panels [electricity]; AC/DC inverters; Regulating apparatus, electric; Resistances, electric; Rheostats; Variometers; Semi-conductors; Magnetic wires; Electric transformers; Distribution boxes [electricity]; Cell switches [electricity]; Circuit breakers; Distribution boards [electricity]; Distribution consoles [electricity]; Inductors [electricity]; Piezoelectric sensors; Electronic resonators; Inductors; Sensors; Demagnetizers; Voltage regulators; Voltage surge protectors; Step-up transformers; Low-voltage power supplies; Remote controls; Electric apparatus for commutation; Electric control devices for energy management; Electric installations for the remote control of industrial operations; Industrial automation controls; Electric power distribution apparatus; Electric control devices for heating management; Batteries, electric; Auxiliary battery packs; Solar modules; Modules for photovoltaic power generation; Accumulators, electric; Battery boxes; Solar panels for the production of electricity; Nuclear batteries; Lithium secondary batteries; Rechargeable batteries.
57.
HEAT DISSIPATION DEVICE AND POWER GENERATION APPARATUS
A heat dissipation device and a power generation apparatus. The heat dissipation device includes a box and a heat sink arranged in the box, wherein the box is provided with an air inlet and an air outlet; an airflow can enter an airflow inlet end of the heat sink through the air inlet, and then flows out from an airflow outlet end of the heat sink; and a first air guide plate assembly, which is detachably connected to the box, is provided in the box, and guides the airflow entering the box through the air inlet to enter the airflow outlet end and then flow out from the airflow inlet end.
The present application discloses a heat dissipation apparatus, a heat sink and an electrical device. The heat dissipation apparatus includes a heat sink and a first bursting component, the heat sink has a heat-exchange medium channel, the first bursting component is provided on the heat sink and is in communication with the heat-exchange medium channel.
A device moving tool, comprising: a first displacement assembly (1), comprising a first plate body (10) and a first screw rod (11), wherein the first plate body (10) is configured to carry a device, and the device is driven by the first screw rod (11) to move in a first direction (X); and a second displacement assembly (2), comprising a second plate body (20) and a second screw rod (21), wherein the second screw rod (21) is arranged on the second plate body (20), and the second screw rod (21) is configured to drive the first plate body (10) to move in a second direction (Y). At least one of the first screw rod (11) and the second screw rod (21) is provided with a connecting end (3), and the connecting end (3) is configured to be connected to a rotary driving component.
A battery housing, a battery cell and a battery pack. The battery housing comprises a first plate body; a second plate body, which is arranged opposite the first plate body; a third plate body, which is arranged between the first plate body and the second plate body; and a fourth plate body, which is arranged between the first plate body and the second plate body and is arranged opposite the third plate body, wherein the first plate body, the second plate body, the third plate body and the fourth plate body form an accommodating structure having a hollow interior and two open ends; the area of the third plate body is greater than that of the first plate body and that of the second plate body; the area of the fourth plate body is greater than that of the first plate body and that of the second plate body; the thickness of the wall of the first plate body is greater than that of the wall of the third plate body and that of the wall of the fourth plate body; and the thickness of the wall of the second plate body is greater than that of the wall of the third plate body and that of the wall of the fourth plate body.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Conductors, electric; current converters; inverters
[electricity]; power distribution boxes; condensers
[capacitors]; electric current control devices; current
rectifiers; ultracapacitors for energy storage; power
controllers; electric control devices for energy management;
electric apparatus for commutation; photovoltaic apparatus
for electricity generation; auxiliary battery packs;
batteries, electric; computer programs [downloadable
software]; materials for electricity mains [wires, cables];
transformers; converters, electric; rotary converters.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Inverters [electricity]; Electric control devices for energy management; Current rectifiers; Batteries, electric; Electric apparatus for commutation; Rotary converters; Panels for the distribution of electricity; Ultracapacitors for energy storage; Transformers; Solar cell panels; Power controllers; Distribution boxes for electrical power; Current converters; Electric current control devices; Auxiliary battery packs; Converters, electric; Computer programs [downloadable software].
09 - Appareils et instruments scientifiques et électriques
Produits et services
Inverters [electricity]; Electric control devices for energy management; Current rectifiers; Batteries, electric; Electric apparatus for commutation; Rotary converters; Panels for the distribution of electricity; Ultracapacitors for energy storage; Transformers; Solar cell panels; Power controllers; Distribution boxes for electrical power; Current converters; Electric current control devices; Auxiliary battery packs; Converters, electric; Computer programs [downloadable software].
64.
STOP VALVE STRUCTURE, FLUID CONVEYING STRUCTURE, ENERGY STORAGE SYSTEM, AND ELECTRICAL DEVICE
A stop valve structure includes a male valve and a female valve. The male valve includes a male pipe and a male piston, a first channel is formed in the male pipe and penetrates the male pipe, and the male piston is movably arranged in the first channel to block or open the first channel; the female valve includes a female pipe and a female piston, a second channel is formed in the female pipe and penetrates the female pipe, and the female piston is movably arranged in the second channel to block or open the second channel.
F16L 29/04 - Raccords comportant des moyens pour couper le courant de fluide comportant un obturateur dans chacune des deux extrémités de tuyau, les obturateurs s'ouvrant automatiquement lors de l'accouplement
H01M 10/613 - Refroidissement ou maintien du froid
H01M 10/647 - Éléments prismatiques ou plans, p. ex. éléments de type poche
H01M 10/6568 - Liquides caractérisés par des circuits d'écoulement. p. ex. boucles, situés à l'extérieur des éléments ou des boîtiers des éléments
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
65.
POSITIVE ELECTRODE SHEET, ELECTRODE ASSEMBLY AND BATTERY CELL
A positive electrode sheet, an electrode assembly and a battery cell. The positive electrode sheet comprises a first body and a first tab arranged on one side of the first body. The first body comprises a plurality of first corners, wherein the first corners adjacent to the first tab are set as first chamfers. The first body further comprises a positive electrode coating area and a ceramic area, wherein the ceramic area is arranged on the side of the positive electrode coating area facing the first tab, and the first chamfers are located in the ceramic area.
A power module and an electrical device are provided, belonging to the field of electrical device technologies. The power module includes: a base provided with a plurality of mounting parts and a first sliding structure configured to be slidably engaged with a cabinet, each of the plurality of mounting parts being provided with a second sliding structure; and a plurality of module bodies, each of the plurality of module bodies being provided with a third sliding structure slidably engaged with the second sliding structure, the plurality of module bodies being adapted to be mounted at the plurality of mounting parts via the third sliding structures, respectively.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Operating system program; supercapacitors for energy
storage; converters, electric; power converters;
resistances, electric; voltage monitoring modules;
integrated circuit module; uninterruptible power supply
apparatus [battery]; current rectifiers; distribution boxes
[electricity]; sensor; transformers [electricity]; inverters
[electricity]; electric apparatus for commutation; electric
control devices for energy management; automatic electrical
apparatus for power stations; batteries, electric; battery
pack; photovoltaic devices and equipment for solar power
generation.
68.
BATTERY MODULE AND SAFETY EARLY-WARNING APPARATUS THEREOF
A battery module and a safety early-warning apparatus thereof. The safety early-warning apparatus includes a flexible filling layer, a pressure sensor and an early-warning unit, wherein the flexible filling layer is filled in a gap between any two adjacent battery cells in a battery module; the pressure sensor is embedded in the flexible filling layer to be configured to measure a pressure value between two adjacent battery cells; and the early-warning unit is in communication connection with the pressure sensor, so as to send out early-warning information when the pressure value measured by the pressure sensor exceeds a preset value. In the safety early-warning apparatus, when a pressure value measured by a pressure sensor exceeds a preset value, an early-warning unit can send out early-warning information, so as to warn a user that a battery module has potential safety hazards.
H01M 50/293 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par des éléments d’espacement ou des moyens de positionnement dans les racks, les cadres ou les blocs caractérisés par le matériau
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
69.
CONVERTER AND ZERO CROSSING POINT CONTROL METHOD THEREFOR
Provided in the present application are a converter and a zero crossing point control method therefor. The zero crossing point control method comprises: first, determining whether the current power grid voltage is within a preset range of a zero crossing point; if the current power grid voltage is not within the preset range of the zero crossing point, controlling a primary-side circuit and a secondary-side circuit, which are connected to a transformer in a converter, to operate in a normal working mode; and if the current power grid voltage is within the preset range of the zero crossing point, controlling the primary-side circuit and the secondary-side circuit to operate in a preset working mode.
H02M 1/00 - Détails d'appareils pour transformation
H02M 1/08 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques
H02M 1/38 - Moyens pour empêcher la conduction simultanée de commutateurs
H02M 7/48 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
H02M 7/5387 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur dans une configuration en pont
H02M 7/5395 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur avec commande automatique de la forme d'onde ou de la fréquence de sortie par modulation de largeur d'impulsions
70.
HEAT DISSIPATION STRUCTURE AND POWER ELECTRONIC DEVICE
A heat dissipation structure and a power electronic device, relating to the technical field of thermal management. The heat dissipation structure comprises a heat exchanger (30) and a liquid-receiving structure (50), wherein a circulating coolant is configured in the heat exchanger (30); the liquid-receiving structure (50) is located below the heat exchanger (30), and the liquid receiving structure (50) is provided with a liquid-accommodating cavity and a liquid-receiving port in communication with the liquid-accommodating cavity; and the orthographic projection of the heat exchanger (30) facing the liquid-receiving structure (50) is located in the liquid-receiving port.
An energy storage container, comprising: a compartment body, an explosion-proof compartment door, and a sealing partition plate. The compartment body comprises a first compartment and a second compartment arranged separately from bottom to top. The explosion-proof compartment door is disposed on the compartment body and is capable of covering the first compartment and the second compartment. The sealing partition plate blocks an opening of the first compartment. In the energy storage container, since a sealing partition plate is designed for the opening of the first compartment and is capable of providing fire protection and sealing for the first compartment, even when the explosion-proof compartment door is in an open state or a pressure-relief state, the fire-protection and sealing performance of the first compartment can still be ensured. That is, the energy storage container has both the explosion-proof function of the compartment door and the fire-protection and sealing functions of the first compartment.
A transformer includes an iron core, and an inner coil and an outer coil which are coaxially mounted on an iron core limb of the iron core. The inner coil is a pancake coil; and a wire leading means of the inner coil is leading out inner lead-out wires from an innermost winding of the inner coil towards a center side of the inner coil, and a wire leading means of the outer coil is radially leading out outer lead-out wires from an outermost winding of the outer coil towards the outer side of the outer coil. According to the transformer structure, both the inner lead-out wires and the outer lead-out wires can be located at positions where the magnetic field strength is weak, such that the eddy current loss of terminals of the inner lead-out wires and the outer lead-out wires can be greatly reduced.
A cover plate assembly, a battery cell and a new energy vehicle. The cover plate assembly comprises a cover plate main body (11), a terminal post (12), an insulating member (13) and a first high-temperature resistant member (14), wherein the terminal post (12) comprises a terminal post main body (121) and a terminal post plate body (122), the terminal post main body (121) being arranged on the terminal post plate body (122); the insulating member (13) is arranged between the cover plate main body (11) and the terminal post plate body (122); and the first high-temperature resistant member (14) is arranged between the cover plate main body (11) and the terminal post plate body (122), and the first high-temperature resistant member (14) is not subjected to melting or/and carbonization at any temperature less than or equal to 550°C.
An apparatus and a method for overvoltage protection, an inverter, and an energy system. The apparatus comprises: a voltage clamping circuit, comprising a voltage clamping sub-circuit connecting a first phase line and a second phase line at an alternating-current side of an inverter circuit. The voltage clamping sub-circuit comprises an overvoltage suppressing circuit and a switching circuit. The switching circuit is configured to be turned on for forming a current path between first phase line and the second phase line via the overvoltage suppressing circuit, in response to a voltage of the first phase line being outside a voltage range. A breakdown voltage of the overvoltage suppressing circuit is within the voltage range.
H02M 1/00 - Détails d'appareils pour transformation
H02M 1/084 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques utilisant un circuit de commande commun à plusieurs phases d'un système polyphasé
H02M 1/092 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques pour la commande simultanée de dispositifs à semi-conducteurs connectés en série ou en parallèle les signaux de commande étant transmis optiquement
75.
HEAT DISSIPATION DEVICE AND POWER CONVERSION APPARATUS
Disclosed in the present application is a heat dissipation device, comprising an evaporation cavity, heat dissipation fins and a connecting portion, wherein the evaporation cavity is of a cavity structure which is provided with a butt-joint port; several heat dissipation fins are provided at intervals, and each heat dissipation fin is internally provided with a first cavity having an opening in at least one side; the connecting portion is arranged between the evaporation cavity and the heat dissipation fins, and two sides of the connecting portion are respectively butt-joined to the butt-joint port and the openings of the first cavities in a sealed manner; and the evaporation cavity is in communication with each first cavity, and the evaporation cavity and the first cavities are partially filled with a phase-change working medium. In the present application, the two sides of the connecting portion are in communication with and are butt-joined to the evaporation cavity and the plurality of heat dissipation fins, thereby meeting a heat dissipation requirement. Further disclosed in the present application is a power conversion apparatus.
The present application relates to an arc detection apparatus and method, a power converter, a photovoltaic system, and a related product. The arc detection apparatus comprises a sensing module used to acquire an arc characteristic signal of a cable; a filtering circuit connected to the sensing module and used to perform filtering on the arc characteristic signal acquired by the sensing module; and a processor connected to the filtering circuit and used to adjust a filter band of the filtering circuit on the basis of parameter information of the cable and/or noise information of the environment in which the cable is located, and determine an arc detection result on the basis of the arc characteristic signal outputted by the filtering circuit after adjustment of the filter band. In this way, the accuracy of arc detection is improved.
Disclosed in the present disclosure are a heat sink and a power conversion apparatus. The solution comprises an evaporator, a first condenser and a connecting pipe, wherein the evaporator comprises an evaporation chamber filled with a phase change medium and a heat dissipation surface configured to dissipate heat of a power device; the connecting pipe communicates a condensation chamber of the first condenser with the evaporation chamber; and the projection of the connecting pipe on the evaporator is located in the area where the evaporation chamber is located. When the heat sink of the present application is in operation, the power device is arranged at the heat dissipation surface, the heat generated by the power device causes a phase change working medium in the evaporation chamber to evaporate and absorb heat to form a vapor, the vapor enters the condensation chamber to release heat and condense, the condensed working medium returns to the evaporator through the connecting pipe, and the cycle continues, thereby achieving the effect of dissipating heat of the power device. In addition, in the present application, the projection of the connecting pipe on the evaporator is located in the evaporation chamber, and therefore the volume occupied by the entire heat sink can be reduced.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Computer programs, downloadable; computer software
applications, downloadable; data processing apparatus;
meteorological instruments; inverters [electricity]; current
rectifiers; converters, electric; transformers
[electricity]; portable power chargers; control panels
[electricity]; distribution boxes [electricity]; electric
installations for the remote control of industrial
operations; photovoltaic cells; battery chargers; solar
batteries; solar panels for the production of electricity;
batteries, electric; charging stations for electric
vehicles; switches, electric.
79.
POWER CONVERSION DEVICE, HEALTH STATE DETERMINATION METHOD FOR HEAT DISSIPATION MODULE OF POWER CONVERSION DEVICE, AND SYSTEM
A power conversion device, a health state determination method for a heat dissipation module of the power conversion device, and a system. The power conversion device comprises: a power unit comprising a power module and a heat dissipation module, wherein the heat dissipation module is used for dissipating heat from the power module; and a controller for acquiring indicator values of a specified operating state indicator of the power unit multiple times, and determining the health state of the heat dissipation module on the basis of the multiple indicator values corresponding to the specified operating state indicator, wherein during multiple acquisitions of the indicator values of the specified operating state indicator of the power unit, the operating state of the heat dissipation module changes, and the heat dissipation capability of the heat dissipation module differs before and after the operating state changes. In this way, the health state of the heat dissipation module of the power conversion device can be conveniently determined.
The present application relates to the technical field of power electronics, and discloses a protection apparatus and protection method for a new energy system, and a related apparatus. In the protection apparatus, an operating mechanism is used for receiving an operation of changing the open/closed state of a switch; a first trip unit and a second trip unit can respectively receive external control signals by means of corresponding switch interface units; upon receiving a first control signal, the first trip unit performs a tripping action, thereby controlling the switch to open; and upon receiving a second control signal, the second trip unit performs the tripping action, thereby not only controlling the switch to open, but also controlling the switch to be maintained in the open state, so that on-site personnel are no longer able to use the operating mechanism to perform a manual operation of closing the switch, thereby reducing the risk of secondary damage to a device and fire hazards. Moreover, by means of dual control signals and dual trip units, the new energy system can achieve two different protection functions respectively in two fault categories.
H02H 7/22 - Circuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour appareillage de distribution, p. ex. système de barre omnibusCircuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour dispositifs de commutation
H02H 7/26 - Protection sectionnelle de systèmes de câbles ou de lignes, p. ex. pour déconnecter une section dans laquelle un court-circuit, un défaut à la terre, ou une décharge d'arc se sont produits
81.
DIRECT CURRENT FAULT ISOLATION CIRCUIT, COMBINER BOX, AND POWER CONVERTER
The present application relates to the technical field of direct current (DC) combining, and discloses a DC fault isolation circuit, a combiner box, and a power converter. In the DC fault isolation circuit, among DC power sources connected to any positive-pole switch and DC power sources connected to any negative-pole switch, the number of DC power sources connected to both switches is less than two, so that no parallel connection exists between any two DC power sources; when any DC power source is connected in reverse, and corresponding switches are opened, no reverse currents will be generated between the DC power sources, so that the DC power source connected in reverse can be directly disconnected from the switches connected to both sides thereof without causing arcing, thereby reducing the risk of electric shock to persons and fire. In addition, by cross-connecting DC power sources between different DC/DC converters, the number of switches used can be reduced.
H02H 3/087 - Circuits de protection de sécurité pour déconnexion automatique due directement à un changement indésirable des conditions électriques normales de travail avec ou sans reconnexion sensibles à une surcharge pour des systèmes à courant continu
H02H 7/26 - Protection sectionnelle de systèmes de câbles ou de lignes, p. ex. pour déconnecter une section dans laquelle un court-circuit, un défaut à la terre, ou une décharge d'arc se sont produits
H02M 3/155 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
H02J 7/35 - Fonctionnement en parallèle, dans des réseaux, de batteries avec d'autres sources à courant continu, p. ex. batterie tampon avec des cellules sensibles à la lumière
82.
METHOD AND SYSTEM FOR EQUALIZING AMOUNT OF ELECTRICITY OF BATTERY CELL, AND EQUALIZATION CHIP
The present application relates to the technical field of battery cell equalization control, and discloses a method and system for equalizing the amount of electricity of a battery cell, and an equalization chip. The method comprises: when a battery cell satisfies an equalization condition, if it is determined that an equalization circuit is normally connected, controlling an equalization switch to be turned on so as to execute an equalization operation on the battery cell; when executing the equalization operation on the battery cell, acquiring a first temperature difference and a second temperature difference of the equalization circuit; and when the first temperature difference and the second temperature difference satisfy a preset condition, determining an equalization state of the battery cell. In the method for equalizing the amount of electricity of the battery cell provided by the present application, by determining that the equalization circuit is in an open-circuit or short-circuit state before equalization, it is ensured that the equalization circuit satisfies the equalization condition, and after equalization is ended, by means of the temperature differences, it is determined whether the equalization is normally enabled, thereby preventing equalization failure as a result of the equalization circuit being in the open-circuit or short-circuit state, and also preventing invalid equalization of the battery cell due to other issues.
An evaporator, a thermosyphon heat exchanger, and a power conversion device. The evaporator comprises an evaporator body and working medium guide structures arranged in a cavity of the evaporator body; the areas on the inner surface of a first side wall of the evaporator body corresponding to heating points are heated areas, at least part of the working medium guide structures is correspondingly arranged in the heated areas or above the heated areas, each working medium guide structure has a guide surface, and the guide surface extends in a direction away from the corresponding heated area. By means of the present solution, the guide surfaces of the working medium guide structures divert the vaporized working medium toward at least one side away from the heated areas, thereby reducing the situation in which the vaporized working medium that has been vaporized upon heat absorption in the lower areas of the heated areas affects the heat exchange effect of the upper areas of the heated areas during upward flow of the working medium, helping to to further improve the heat dissipation effect of the evaporator on the heating points.
F28D 15/02 - Appareils échangeurs de chaleur dans lesquels l'agent intermédiaire de transfert de chaleur en tubes fermés passe dans ou à travers les parois des canalisations dans lesquels l'agent se condense et s'évapore, p. ex. tubes caloporteurs
H01L 23/427 - Refroidissement par changement d'état, p. ex. caloducs
H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
09 - Appareils et instruments scientifiques et électriques
Produits et services
Computer programs, downloadable; computer software,
recorded; current rectifiers; inverters [electricity];
distribution boxes [electricity]; transformers
[electricity]; electric apparatus for commutation;
accumulators, electric; photovoltaic cells; solar panels for
the production of electricity.
An inverter, comprising: a DC surge protection apparatus, a DC bus, an inverter circuit, a measurement apparatus, an AC surge protection apparatus, a measurement apparatus and a controller. A DC end of the inverter circuit is connected to a DC port of the inverter by means of the DC bus, and an AC end of the inverter circuit is connected to an AC port of the inverter. The measurement apparatuses are arranged in a surge loop of the inverter, and are configured to measure electrical parameters of the surge loop, the surge loop being a flow path of a surge current in the inverter. The controller is configured to control turn-off of switching devices in the inverter circuit when the electrical parameters measured by the measurement apparatuses satisfy a lightning surge condition, and turn on the DC surge protection apparatus and the AC surge protection apparatus after the switching devices are turned off.
A container is provided, which is used in a photovoltaic power station and includes a container body, where the interior space of the container body is divided into a plurality of compartments by a partition plate, and the partition plate is fixed inside the container body; one or more partition plates are provided; and at least one of the partition plates is provided with a heat exchange structure, which is used for making the compartments on two sides of the partition plate exchange heat. In the container, after a partition plate is provided with the heat exchange structure, the compartments on two sides of the partition plate exchange heat, and the heat of the compartment with a higher temperature is conducted into the compartment with a lower temperature so as to be dissipated.
A heat sink and an electrical device, relating to the technical field of heat dissipation. The heat sink comprises an evaporator, a condenser, and a busbar member; the evaporator is communicated with the condenser by means of the busbar member; the interiors of the evaporator, the condenser and the busbar member are used for circulating a phase change medium; the flow direction of the phase change medium in the evaporator is a first direction; the flow direction of the phase change medium in the condenser is a second direction; the first direction and the second direction both intersect the length direction of the busbar member; the busbar member comprises a first section and a second section connected in the length direction; the evaporator is connected to the first section; and the condenser is connected to the second section.
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
chips [integrated circuits]; electric apparatus for commutation; batteries, electric; electro-dynamic apparatus for the remote control of signals; industrial automation controls; battery chargers; regulating apparatus, electric; computer programs, downloadable; distribution boxes [electricity]; monitors [computer programs]; downloadable graphic design templates; computer programs for user interface design; industrial automation software. technological research; artificial intelligence consultancy; design of prototypes; industrial design; computer programming; development of computer platforms; software as a service [SaaS]; computer software design; computer software consultancy; platform as a service [PaaS]; engineering design services; technical design and planning of power stations; designing of packaging and wrapping materials; packaging design; providing information in the field of architectural design via a website; drafting construction plans.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Conductors, electric; current converters; inverters [electricity]; power distribution boxes; condensers [capacitors]; electric current control devices; current rectifiers; ultracapacitors for energy storage; power controllers; electric control devices for energy management; electric apparatus for commutation; photovoltaic apparatus for electricity generation; auxiliary battery packs; batteries, electric; computer programs [downloadable software]; materials for electricity mains [wires, cables]; transformers; converters, electric; rotary converters
An energy storage box and an electric device, relating to the technical field of batteries. The energy storage box comprises: a box body, the box body being provided with an accommodating cavity; a cover plate, the cover plate comprising a plate body and a connecting portion surrounding and connected to the plate body, and the plate body being connected to the box body and covering the accommodating cavity; and a lapping member connected to part of the side edge of the box body and connected to the connecting portion. After the box body is normally connected to the cover plate, part of the side edge of the box body is connected to the connecting portion on the cover plate by means of the lapping member. When an explosion occurs inside a device, due to the connection effect of the lapping member on the box body and the cover plate, it can be ensured that the cover plate will not fly off the box body due to the pressure of explosion gas, thereby improving the safety of the energy storage box during use.
A battery case and a battery module. The battery case comprises a cover plate (101), a case wall (102) and a bottom plate (103). The cover plate (101), the case wall (102) and the bottom plate (103) define an accommodating cavity (104) for accommodating a functional device. Two ends of the case wall (102) are respectively provided with a connecting portion (1021), and the connecting portions (1021) extend from the case wall (102) to the accommodating cavity (104), so as to respectively form, at the two ends of the case wall (102), a first mounting space (1022) for accommodating the cover plate (101) and a second mounting space (1023) for accommodating the bottom plate (103).
An energy storage container and an electric device, relating to the technical field of batteries. The energy storage container comprises: a container body, the container body having an accommodating cavity and an opening in communication with the accommodating cavity; a cover plate, the cover plate being connected to the container body and covering the opening; and a pull fastener assembly, the pull fastener assembly comprising a first connector and a second connector, the first connector being connected to the container body, the second connector being connected to the cover plate, and the first connector and the second connector being in limiting connection with each other. After the cover plate seals the opening and is normally connected to the container body, the cover plate is further connected to the container body via the first connector and the second connector that are in limiting connection with each other, thereby improving the firmness of the connection between the cover plate and the container body, and preventing the cover plate from detaching and flying off the container body when an explosion occurs in the energy storage container, improving the safety of the energy storage container.
H01M 50/262 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures
A wiring module, a combiner box and a converter are provided. In the wiring module, a side of a first switch thereof serves as a positive input terminal and is connected to a positive electrode of at least one direct-current power supply, a side of a second switch thereof serves as a negative input terminal and is connected to a negative electrode of at least one direct-current power supply, and a direct-current power supply which any of the positive input terminal is connected and to which any of the negative input terminal is connected is in a quantity of less than or equal to 1, that is, different direct-current power supplies are not connected in parallel.
H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
A method for controlling an on-board charger is provided. A transformer side of an AC/AC conversion circuit is connected to an alternating current side of an AC/DC conversion circuit through a transformer. A reference peak value of a grid-side current of the on-board charger is regulated based on a deviation of a sampled value of a battery-side voltage relative to a reference value of the battery-side voltage. The reference peak value of the grid-side current is converted into an instantaneous reference value of the grid-side current based on a phase of an instantaneous sampled value of the grid-side voltage of the on-board charger. Phase-shift control is performed on the two conversion circuits based on the instantaneous reference value of the grid-side current, the instantaneous sampled value of the grid-side voltage and the sampled value of the battery-side voltage.
A ventilation apparatus and an energy storage system, relating to the technical fields of energy storage and ventilation. The ventilation apparatus comprises: a frame provided with a first ventilation opening and a second ventilation opening; first cavity plates provided in the frame and connected to the frame, wherein each first cavity plate is provided with a plurality of first protruding sections; and second cavity plates provided in the frame and connected to the frame, wherein each second cavity plate is provided with second protruding sections, the second protruding sections and the first protruding sections have opposite protruding directions, and air ducts in communication with the first ventilation opening and the second ventilation opening are defined between the first cavity plates and the second cavity plates. In this way, by means of the first protruding sections of the first cavity plates and the second protruding sections of the second cavity plates, the air ducts are of a continuous variable-cavity structure, so that sound waves of noise are continuously refracted and reflected back in the air ducts, thereby reducing noise generated during ventilation and avoiding affecting external environments.
Provided in the embodiments of the present description are an energy system, a control method therefor, a power conversion apparatus and a combiner box. The system comprises a plurality of positive electrode bus lines and a plurality of negative electrode bus lines used for connecting to direct-current energy modules; a circuit protection unit is provided between each positive electrode bus line and a direct-current positive electrode busbar, and/or a circuit protection unit is provided between each negative electrode bus line and a direct-current negative electrode busbar; direct-current energy modules connected between any positive electrode bus line and any negative electrode bus line form a module group; the module group comprises: a single module group comprising one direct-current energy module; or a composite module group comprising a plurality of direct-current energy modules, the withstand current of any direct-current energy module in the composite module group being greater than or equal to a fault current that can be formed by the remaining direct-current energy modules. Thus, the risk of damage caused by faults such as reverse connection or short circuit of direct-current energy modules can be reduced.
A photovoltaic inverter comprises a first fuse module (100) and an inverter circuit (200); a first end of the first fuse module is used for connecting to a direct current source, and a second end of the first fuse module is connected to at least one of a positive input end and a negative input end of the inverter circuit; the first fuse module comprises a trigger device (110) and an actuating mechanism (120); the trigger device is used for triggering the actuating mechanism when a current flowing through the first fuse module is greater than a rated current of the first fuse module and is less than or equal to twice the rated current of the first fuse module; the actuating mechanism is used for disconnecting the first end and the second end of the first fuse module so as to disconnect the direct current source from the inverter circuit. In the embodiments of the present application, the first fuse module blows when the current is greater than the rated current of the first fuse module and is less than or equal to twice the rated current thereof, such that the functional range of the first fuse module is expanded, thus improving the safety of the whole photovoltaic inverter.
H02H 7/122 - Circuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour convertisseursCircuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour redresseurs pour convertisseurs ou redresseurs statiques pour onduleurs, c.-à-d. convertisseurs de courant continu en courant alternatif
H02H 3/08 - Circuits de protection de sécurité pour déconnexion automatique due directement à un changement indésirable des conditions électriques normales de travail avec ou sans reconnexion sensibles à une surcharge
H01H 85/041 - Fusibles, c.-à-d. organes épuisables du dispositif de protection, p. ex. cartouches caractérisés par leur type
H02J 3/38 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs
