An unintended car movement protection device for an elevator and an elevator. The unintended car movement protection device (100) for an elevator comprises: a signal generation unit (10) adapted to be connected to each signal injection point (210) in an elevator door lock circuit (200), the elevator door lock circuit (200) comprising a plurality of elevator door locks (S) connected in series, and each signal injection point (210) being arranged between two adjacent elevator door locks (S); and a control unit (20) configured to, upon receiving a door lock short-circuit detection enable signal sent by an elevator controller (300), control the signal generation unit (10) to send a detection signal to a corresponding signal injection point (210) and, on the basis of an electrical signal output by the corresponding detection point (220), perform door lock short-circuit detection, each detection point (220) being arranged at a signal output end of an elevator door lock (S).
A detection processing method and apparatus for the state of a passenger in an elevator car, and a system and a storage medium. The detection processing method for the state of a passenger in an elevator car is applied to an elevator system, and the elevator system comprises: an elevator car and a touch sensing module, wherein the touch sensing module is arranged in the elevator car, and is configured to detect whether a passenger in the elevator car is in contact with the elevator car, and to generate contact information when contact occurs. The detection processing method for the state of a passenger in an elevator car comprises: using touch information sensed by a touch sensing module to acquire information of a position where a passenger is in contact with an elevator car; and on the basis of the information of the position where the passenger is in contact with the elevator car, determining the state of the passenger.
An elevator entrapment rescue processing method and apparatus, a system, and a storage medium. The elevator entrapment rescue processing method is applied to an elevator system, and the elevator system comprises a positioning system configured to acquire a stop position of an elevator car. The elevator entrapment rescue processing method comprises: using the positioning system to acquire the stop position of the elevator car when a system fault occurs in the elevator system; and determining a rescue solution on the basis of pre-acquired elevator shaft structure information and the acquired stop position. The method improves the speed for determining a rescue solution, implementing rapid rescue.
An underbeam group structure facilitating an improvement in load capacity, which structure is used for a machine-room-less elevator. The underbeam group structure comprises a first underbeam assembly (11) and a second underbeam assembly (12) arranged spaced apart; and further comprises a linkage safety device, and a first lifting mechanism, a second lifting mechanism, a first safety gear device and a second safety gear device, which are provided in the linkage safety device. The first safety gear device is fixed to the first underbeam assembly (11), the second safety gear device is fixed to the second underbeam assembly (12), the first lifting mechanism is connected to the first underbeam assembly (11) and the first safety gear device, the second lifting mechanism is connected to the second underbeam assembly (12) and the second safety gear device, and the first lifting mechanism and the second lifting mechanism are connected to implement linkage and cooperation.
B66B 5/18 - Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
An elevator of high structural strength. The elevator (10) comprises a car (100), which comprises a car body (1) and a plurality of car frames (2) connected to the car body (1), the car frames (2) being constructed to be vertical frames, the car frames (2) surrounding the car body (1), and there being a plurality of car frames (2); a plurality of guide rail groups (200), each of which comprises two guide rails (201) extending vertically and respectively arranged on two opposite sides of the car (100), the guide rail groups (200) corresponding to the car frames (2) on an one-to-one basis, and two opposite sides of each car frame (2) respectively being in sliding connections to the two guide rails (201) of the guide rail group (200) corresponding to the car frame (2); and a traction assembly (300), which is configured to drive the car (100) to slide along the guide rails (201). The car frames (2) are bearing structures for the car (100), and the self-weight and carrying weight of the car (100) are both transferred by the car frames (2). Since there are a plurality of car frames (2), the car frames (2) are arranged to correspond to the guide rail groups (200) on an one-to-one basis, each car frame (2) sliding along the guide rail group (200) corresponding thereto. The car (100) has high structural strength, and undergoes balanced stress.
An elevator control method and apparatus, an elevator controller, an elevator safety system and an elevator. The method comprises: determining a faulty floor, and determining a safe zone on the basis of the faulty floor; and when the position of a car is within the safe zone, determining a target stopping floor on the basis of the position of the car, a target floor and the safe zone, so as to execute a rescue operation on the basis of the target stopping floor, wherein the target floor is a floor selected by a user.
An elevator safety gear detection method and system, an elevator, a device, and a medium. The elevator safety gear detection method comprises: obtaining a first position detection signal of a safety gear in a first direction (S101); obtaining a second position detection signal of the safety gear in a second direction (S102), wherein the first direction and the second direction are perpendicular to each other; on the basis of the first position detection signal and/or the second position detection signal, determining whether the safety gear deviates (S103); and when the safety gear deviates, controlling an elevator to execute a maintenance handling action (S104). By using the method, whether a safety gear deviates can be detected in time and accurately, thereby guaranteeing that safety gears can be effectively used to achieve synchronous braking in scenes where the safety gears are used to stop cars of elevators, improving the safety and reliability of the elevators, and making users feel safer during riding in the elevators.
An installation and debugging method and system for a multi-linkage safety gear of an elevator, a device, and a medium. The installation and debugging method for a multi-linkage safety gear of an elevator comprises: obtaining an installation duration of each safety gear during synchronous installation of a plurality of safety gears, wherein the installation duration of each safety gear refers to a time interval from a starting time of synchronous installation of the plurality of safety gears to a time when each safety gear is installed in place (S101); and on the basis of time differences between the installation durations of comparative safety gears and the installation duration of a reference safety gear, adjusting the relative heights of the comparative safety gears until the installation durations of the plurality of safety gears are synchronous, wherein the reference safety gear is any one of the plurality of safety gears, and the comparative safety gears are the safety gears other than the reference safety gear (S102). The installation and debugging method has the advantages of high synchronization and high precision of installation of safety gears, and can improve the safety and reliability of elevators.
A safe torque off and short winding braking control circuit (10) and elevator equipment (100). The safe torque off and short winding braking control circuit (10) comprises a safety protection module (11), a safe torque off module (12), a frequency conversion module (13), and a control module (14); the frequency conversion module (13) comprises a switch unit (131), a driving unit (132), and a short winding braking control unit (133); the safety protection module (11) is used for generating an off signal when elevator equipment (100) stops or fails, or the safety protection module (11) is disconnected; the safe torque off module (12) is used for being turned off on the basis of the off signal so as to disconnect the control module (14) from the driving unit (132), and controlling the switch unit (131) to be turned off on the basis of the off signal; and the control module (14) is used for generating a short winding braking instruction on the basis of the state of the safety protection module (11) and the state of the safe torque off module (12), so that on the basis of the short winding braking instruction, the short winding braking control unit (133) controls the driving unit (132) to be short-circuited to a traction machine so as to implement electronic short winding braking. It is ensured that two working modes, i.e., electronic short winding braking and safe torque off, are independent of each other and do not conflict with each other; in addition, the working logic of mutual locking is also guaranteed, and the risk to the driving unit caused by simultaneous operation of the electronic short winding braking and the safe torque off is avoided.
B66B 5/02 - Applications of checking, fault-correcting or safety devices in elevators responsive to abnormal operating conditions
B66B 5/00 - Applications of checking, fault-correcting or safety devices in elevators
B66B 1/06 - Control systems without regulation, i.e. without retroactive action electric
B66B 1/34 - Control systems of elevators in general Details
H03K 17/94 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the way in which the control signals are generated
H03K 17/08 - Modifications for protecting switching circuit against overcurrent or overvoltage
A control cabinet, relating to the technical field of elevators. The control cabinet comprises: a back plate; a housing, the housing defining an accommodating cavity opened at the back portion, and the housing being detachably connected to the back plate; and an electronic device, the electronic device being mounted on the back plate and located in the accommodating cavity.
A control device (100), an elevator (1000) and a control method. The control device (100) comprises a first control module (10) and a second control module (20), wherein the first control module (10) comprises a first controller (11); and a plurality of control circuits (21) of the second control module (20) are connected to the first controller (11), the first controller (11) controls the connection or disconnection of the plurality of control circuits (21), when being connected, the control circuits supply power to corresponding brakes (200), and when the control circuits are deenergized, braking is performed. The control device can shorten an action response time of a brake, such that the brake performs braking in a timely manner.
An elevator control method and device, an elevator, a readable storage medium and a program product. The elevator (100) comprises a motor (20) and a car (30), the motor (20) being connected to the car (30). The method comprises: acquiring the moving speed of the car (30), the moving speed being positively correlated with the rotation speed of the motor (20); and in response to an elevator braking scenario, when the moving speed is less than or equal to a preset short winding braking threshold, starting a short winding braking function to brake the car (30), the short winding braking function being configured to be started when three phases of the motor (20) are short-circuited. Therefore, when the elevator needs to be braked and the moving speed of the car (30) is less than or equal to the preset short winding braking threshold, the three phases of the motor (20) can be short-circuited, so as to start the short winding braking function for braking, and avoid excessive loss of a brake pad of a brake (50). Meanwhile, because the short winding braking function is started only when the moving speed is smaller than or equal to the preset short winding braking threshold, long-time operation of the short winding braking function can be avoided, thereby ensuring as much as possible normal operation of devices used for achieving the short winding braking function.
B66B 1/30 - Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear
B66B 1/32 - Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on braking devices
B66B 5/00 - Applications of checking, fault-correcting or safety devices in elevators
13.
ELEVATOR CAR MECHANICAL PROTECTION DEVICE AND ELEVATOR
An elevator car mechanical protection device, comprising a first locking member (1) and a driving assembly (2). When in a first state, the first locking member (1) can limit the relative position of an elevator car and a landing door sill (200), and when in a second state, the first locking member (1) does not limit the relative position of the elevator car and the landing door sill (200); and the driving assembly (2) is used for driving the first locking member (1) to switch between the first state and the second state. The device is not influenced by short-circuit of a safety loop, improves the safety and reliability of an elevator door system, and guarantees and protects the safety of passengers using an elevator.
A heat dissipation assembly, an elevator control cabinet, and an elevator. The heat dissipation assembly comprises a heat dissipation plate, a fin group, and heat transfer members; the heat dissipation plate is provided with a bearing surface and a heat dissipation surface arranged opposite to the bearing surface, the bearing surface is used for bearing a heating device, and the heat dissipation surface and the bearing surface are arranged in a first direction; the fin group comprises a plurality of fins arranged at intervals in a second direction, the plurality of fins are in contact with the heat dissipation surface, and a heat dissipation duct is formed between every two adjacent fins; the heat transfer members are each provided with a heat absorption part and a heat release part connected to the heat absorption part, the heat absorption parts extend in the second direction and are inserted into the plurality of fins, and the heat absorption parts are in contact with the heat dissipation surface; the heat release parts are located on the side of the heat absorption parts distant from the heat dissipation plate, the heat release parts extend in the second direction and are inserted into the plurality of fins, and heat transfer is carried out between the heat release parts and the heat dissipation plate by means of the heat absorption parts.
An elevator control cabinet (10) and an elevator (100). The elevator control cabinet comprises a driver module (1). The driver module (1) comprises a driver board (11), a capacitor board (12) and a module board (13). The module board (13) is arranged at an included angle with respect to at least one of the driver board (11) and the capacitor board (12), and the module board (13) is provided with a rectifier (131) and an inverter (132).
An elevator control circuit, an elevator control method, an elevator, and a computer storage medium. The elevator control circuit comprises a frequency conversion module (151), a safe torque off module (152), a safety loop module (153) and a short winding braking module (154). The frequency conversion module (151) comprises a driver (1511) and an inverter (1513). The inverter (1513) comprises a first bridge arm (1513A) and a second bridge arm (1513B). The first bridge arm (1513A) and the second bridge arm (1513B) are both connected to the driver (1511). The safe torque off module (152) is connected in series between the driver (1511) and the first bridge arm (1513A). The safety loop module (153) is connected to the safe torque off module (152). The short winding braking module (154) is connected to the driver (1511) and is connected to the second bridge arm (1513B). When an elevator stops, the safety loop module (153) controls the safe torque off module (152) to be turned off, so as to limit the driver (1511) to send a driving signal to the first bridge arm (1513A), and the driver (1511) sends a short winding braking signal to the short winding braking module (154), so that the short winding braking module (154) controls the second bridge arm (1513B) to carry out short winding braking.
B66B 1/28 - Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
B66B 1/30 - Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear
B66B 1/32 - Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on braking devices
B66B 5/02 - Applications of checking, fault-correcting or safety devices in elevators responsive to abnormal operating conditions
A cabinet body assembly and an elevator controller. The cabinet body assembly comprises a cabinet body (1), a partition member (2) and a fan assembly (3); a mounting cavity (11) is arranged in the cabinet body (1), and the cabinet body is provided with an air inlet (12) and an air outlet; the partition member (2) and the cabinet body (1) jointly define two air duct cavities which are independent of each other, and two ends of each air duct cavity are respectively communicated with the air inlet and the air outlet; the cabinet body assembly is configured such that the rates of air flows flowing through the two air duct cavities are different, and the rate of an air flow flowing through each air duct cavity is in positive correlation with the dissipation power of an electrical component located in the air duct cavity.
An elevator control cabinet (100), relating to the technical field of electrical equipment, and used for solving the technical problems, for example, cables are damaged by wire outlet holes (111) in the elevator control cabinet (100), the cables are unreliable in connection due to stress, and an electric shock of a user is caused. The elevator control cabinet (100) comprises a cabinet body (110) and cable protection assemblies (120); a plurality of wire outlet holes (111) is formed in the cabinet body (110); the cable protection assemblies (120) are provided on the cabinet body (110) to protect cables passing through the wire outlet hole (111); the cable protection assemblies (120) each comprise an adjusting assembly (121) and a fixing assembly (122); the adjusting assembly (121) comprises an adjusting blocking plate (1211) which is movably arranged; the adjusting blocking plate (1211) is configured to move relative to the wire outlet holes (111) so as to block the wire outlet holes (111) or expose the wire outlet holes (111); the fixing assembly (122) comprises a support frame (1221) provided on the cabinet body (110); the support frame (1221) has a contact surface extending in the extension direction of the wire outlet holes (111); and the contact surface is configured to support the cables.
An elevator power supply control device and an elevator system. The elevator power supply control device comprises: a power supply, a safety check assembly, an execution element, and a feedback control assembly; the safety check assembly comprises a plurality of sub-check units; the plurality of sub-check units are connected in series in a safety check circuit; the safety check circuit is electrically connected to the power supply; the execution element is connected in series in the safety check circuit; the feedback control assembly comprises a controller; the controller is connected between the safety check circuit and the power supply; the controller is configured to control, according to electric signal attenuation in the safety check circuit, the power supply to supply power.
