A charger, comprising: a housing; a plurality of power supply ends supported by the housing and a plurality of power lines electrically connected to the plurality of power supply ends, wherein each power line is configured to supply power to one charging link; a charging circuit comprising a plurality of charging paths, wherein at least one power supply end can be connected to at least two charging paths; and a controller at least connected to the charging circuit and the plurality of power supply ends, wherein the controller is configured to control an output power of each power supply end at least on the basis of electric parameters of the power supply end.
A hand-held power tool, comprising: an output shaft, which comprises an output axis defined by itself; and an output housing, which defines a first central axis passing through its own geometric center, wherein the radial distance between the first central axis and the outer edge of the output housing is R; the output shaft comprises a first position and a second position; when the output shaft is located at the first position, the radial distance between the output axis and the first central axis is D1; and when the output shaft is located at the second position, the radial distance between the output axis and the first central axis is D2, D1 being less than D2, D1 being greater than or equal to 0, but less than R, and D2 being greater than 0, but less than or equal to R.
A riding mowing device includes a frame; a cutting assembly; a traveling assembly; a main control circuit electrically connected to the cutting assembly and the traveling assembly; and an operating member electrically connected to the main control circuit and configured to control the forward state or the reverse state of the riding mowing device. The operating member has three gears: a forward gear, a neutral gear, and a reverse gear. The operating member is configured to control the riding mower to switch between the forward state and the reverse state when being operated through at least two gears. The main control circuit is configured to acquire the device parameter of the riding mowing device during traveling and, when the operating member is operated to switch between the forward state and the reverse state, control the riding mowing device to stop traveling based on the acquired device parameter.
A01D 34/64 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
A01D 34/78 - Driving mechanisms for the cutters electric
A01D 69/02 - Driving mechanisms or parts thereof for harvesters or mowers electric
A chainsaw includes a housing formed with or connected to at least a handle for a user to hold; a guide plate configured to support and guide a chain, where an end of the guide plate is supported by the housing; a power supply device including at least one battery pack detachably connected to the housing to provide electrical energy for the chainsaw; and a display device mounted to the housing and configured to display a current state of the chainsaw. The display device has a display plane, and the angle β between the display plane and a bottom plane perpendicular to a guide plate plane is greater than or equal to 25° and less than or equal to 75°.
A pressure washer includes a housing formed with a battery holder and a drive compartment; a battery pack accommodated in the battery holder; a control board disposed in the housing; a drive assembly disposed in the drive compartment and including a pump and an electric motor for driving the pump; and a water gun connected to the pump through a water pipe. The housing is provided with an air inlet and an air outlet, a heat dissipation air path is formed between the air inlet and the air outlet, the heat dissipation air path is located inside the housing, and from the air inlet to the air outlet, the battery holder and the control board are located on the heat dissipation air path in sequence.
A table tool includes a table, a saw blade, a motor, a controller, a sensing device and a first switch. The table has a work plane on which a workpiece is placed. The saw blade acts on the workpiece. The motor drives the saw blade to rotate. The controller is used for controlling rotation of the motor. The sensing device is electrically connected to the controller and used for sensing a state of the workpiece and outputting a first signal to the controller. The first switch is used for a user to select a working mode from at least two working modes of the table tool. When the table tool is in a first working mode, the controller is configured to adjust a rotational speed of the motor to be a first rotational speed based on an acquired first signal or a working parameter of the motor.
B23D 59/00 - Accessories specially designed for sawing machines or sawing devices
B23D 45/06 - Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade arranged underneath a stationary work-table
B23D 47/02 - Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of framesSawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of guiding arrangements for work-table or saw-carrier
9.
WALL-MOUNTABLE STORAGE SYSTEM, AND CART AND TOOLBOX SYSTEM ADAPTED FOR STORAGE SYSTEM
A wall-mountable storage system, comprising a base detachably connected to a wall surface; a storage container configured to secure items; and a support member configured to detachably connect to the base. The storage system comprises an adjustment portion, wherein the storage container may be detachably fixedly connected to a first position and a second position of the base and, by means of the adjustment portion, the storage container may move between the first position and the second position; and the storage container remains connected to the base during the movement from the first position to the second position.
A cordless fastening tool includes a housing; a magazine configured to accommodate fasteners; a firing device configured to guide the fasteners along a first direction; a battery pack; and a battery pack mounting portion connected to the housing and configured to detachably support the battery pack. The battery pack is configured to be mounted to the battery pack mounting portion along a second direction perpendicular to the first direction.
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
11.
CHARGING DEVICE AND CHARGING SYSTEM APPLICABLE TO ELECTRIC TOOL
Disclosed in the present application are a charging device and charging system applicable to an electric tool. The charging device comprises: a shell assembly; a plurality of terminal electrode sheets, which are provided on the shell assembly, wherein the plurality of terminal electrode sheets comprise a first terminal electrode sheet and a second terminal electrode sheet; and a control module, which is configured to connect to the first terminal electrode sheet and the second terminal electrode sheet, wherein the control module is configured to, upon detecting that there is a voltage crossing the first terminal electrode sheet and there is no voltage crossing the second terminal electrode sheet, control the first terminal electrode sheet to output a voltage, and upon detecting that there are voltages crossing both the first terminal electrode sheet and the second terminal electrode sheet, control the second terminal electrode sheet to output a voltage. By using the technical solution, a charging device and a charging system which have a wider application range and are applicable to an electric tool can be provided.
A self-moving lawn mower, comprising a chassis, drive wheel assemblies and a blade assembly. The drive wheel assemblies are configured to support the chassis. The blade assembly is installed on the chassis. When the self-moving lawn mower is on the ground, the height of the chassis relative to the ground can be adjusted, and the adjustable range is larger than or equal to 6 cm.
A self-moving device and a control method. The self-moving device comprises: a body (110); traveling wheel assemblies (120), configured to support the body (110); a visual sensor (130), configured to acquire an image in a traveling direction of the self-moving device; an attitude sensor (140), configured to acquire an attitude of the self-moving device; and a controller (150), electrically connected to the visual sensor (130) and the attitude sensor (140), the controller (150) being configured to calculate a first inclination angle of the ground in the traveling direction of the self-moving device on the basis of the image, calculate a second inclination angle of the ground on the basis of the first inclination angle and the attitude, and control the traveling wheel assemblies (120) on the basis of the second inclination angle.
An energy conversion device, an inverter device, and an energy conversion system. The energy conversion device at least comprises: a first transmission interface, comprising a battery connection terminal adapted to be connected to a battery pack; a second transmission interface, configured to be at least capable of accessing an alternating-current power grid; an energy conversion circuit, which can at least convert electric energy input by the first transmission interface and then feed the converted electric energy to the second transmission interface; and a controller, which is at least in communication connection with the first transmission interface and is electrically connected to the energy conversion circuit, wherein the controller is configured to at least control, when the temperature of the battery pack is less than or equal to a temperature threshold, the energy conversion circuit to perform energy conversion on the energy input by the first transmission interface, so that the battery pack at least obtains heat energy for heating.
B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
Provided are a self-propelled device (100) and a work system (10) thereof. The self-propelled device (100) includes a housing (110); a traveling assembly (120) including traveling wheels (121) and a traveling electric motor (122), where the traveling assembly (120) is coupled to the housing (110); and a mobile station (140) including a satellite receiving antenna (141) and a radio station (142), where the satellite receiving antenna (141) is configured to acquire a satellite signal, the satellite signal includes satellite observation data of the mobile station (140), the radio station (142) is configured to receive a radio signal from a base station (200), and the radio signal includes satellite observation data of the base station (200). The self-propelled device (100) further includes a controller (150) configured to control the self-propelled device (100) to autonomously travel and perform a work task.
A base station based on a differential positioning technique, and a base station addressing device and a base station addressing method. The base station comprises: a base station main body; and a base station addressing apparatus, wherein the base station addressing apparatus comprises a collection module, which is configured to acquire satellite observation data of the current observation point, a calculation module, which is configured to evaluate the observation quality of the observation point on the basis of the satellite observation data, and an output module, which is configured to output a first prompt on the basis of the observation quality, the first prompt indicating the degree of suitability of the observation point for installing a base station, and the base station addressing apparatus being detachably connected to the base station main body so as to execute an addressing task after being detached from the base station main body.
A snow thrower includes a body including a working assembly; a handle used for a user to hold and connected to the body; a power supply device for providing the snow thrower with electrical energy; an electric motor for driving the snow thrower to move; a detection module for determining whether the snow thrower is slipping and idling; and a control module connected to at least the detection module and the electric motor. When the detection module determines that the snow thrower is slipping and idling, the control module controls the snow thrower to stop slipping and idling.
E01H 5/09 - Apparatus propelled by animal or engine powerApparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
A jack device includes a frame, a lifting assembly, a hydraulic assembly, a power unit, and a battery pack coupling portion. The lifting assembly is pivotally connected to the frame, one end of the lifting assembly includes a lifting pad liftable or lowerable, and the lifting pad provides an upward lifting force for a lifted object. The hydraulic assembly is configured to drive the lifting assembly to perform a lifting action or a lowering action. The power unit includes an electric motor, a reduction mechanism, and an actuator, where the reduction mechanism is disposed between the electric motor and the actuator, and the actuator is able to drive the hydraulic assembly to operate. The battery pack coupling portion is used for mounting a battery pack, where the battery pack supplies power to at least the power unit.
A handheld power tool including an accessory receptacle. The accessory receptacle includes a receiving portion for receiving at least one accessory; a limiting portion for retaining the accessory in the receiving portion; an unlocking portion triggerable to drive the limiting portion to release a retaining force on the accessory; and a second cover forming an accommodation space with a first cover, where the accommodation space is configured to at least partially accommodate the receiving portion, the limiting portion, and the unlocking portion.
A power tool includes a tool body including an output piece, an electric motor for driving the output piece, and a body housing for accommodating the electric motor; and a battery pack detachably connected to the body housing to supply power to the electric motor. The tool body includes a body interface, the battery pack includes a battery pack interface mating with the body interface, and when the battery pack is mounted to the tool body, the body interface is connected to the battery pack interface. The battery pack further includes a battery pack housing; and a cell unit disposed in the battery pack housing and electrically connected to the battery pack interface. The cell unit is a pouch cell and the battery pack has a volumetric energy density greater than or equal to 100 mWh/cm3 and a nominal voltage less than or equal to 9 V.
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H01M 50/211 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
Power operated tools; Grinders [hand-held power driven]; Electric sanders; Power-operated polishers; Power saws; Circular saws; Tile saws [power tools].
24.
HAND-PROPELLED MACHINE AND CONTROL METHOD THEREFOR
A hand-propelled machine includes a frame, a traveling assembly, an operating assembly, and a controller. The controller is configured to control the rotational speed of a first electric motor and the rotational speed of a second electric motor based on the state of a first operating member and the state of a second operating member. The controller is further configured to, when the first operating member is operated to a preset position and the second operating member is not operated, control the first electric motor to reverse at a preset rotational speed.
B62D 11/04 - Steering non-deflectable wheelsSteering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of separate power sources
A01D 69/02 - Driving mechanisms or parts thereof for harvesters or mowers electric
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
E01H 5/09 - Apparatus propelled by animal or engine powerApparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
A power tool includes an electric motor assembly disposed at least partially in a housing and including a first electric motor, a second electric motor, and a connector, where limit values of efficiency of the electric motor assembly constitute a total efficiency interval, and efficiency values of the electric motor assembly greater than or equal to 70% constitute a first efficiency interval, where the ratio of the first efficiency interval to the total efficiency interval is greater than or equal to 0.5.
A nail gun includes a firing assembly including a firing pin and a first piston; a cylinder assembly including a cylinder, a second piston, and an end cap, where the end cap is connected to the front end of the cylinder; a housing; a motor; and a transmission assembly configured to drive the second piston. The end cap includes a first end cap portion connected to the housing and including a support portion for supporting the transmission assembly; and a second end cap portion movably connected to the first end cap portion. The first end cap portion is provided with a first opening, and the second end cap portion is connected to the first opening. When at least part of the second end cap portion moves away from the first end cap portion, the first opening is exposed to allow the firing assembly to be disengaged from the cylinder assembly.
A battery pack for supplying electric power to a power tool includes a housing, at least one first battery cell disposed in the housing and supported by the housing, at least one second battery cell disposed in the housing and supported by the housing, and a terminal assembly electrically connected to the at least one first battery cell and the at least one second battery cell to transmit electric power from the at least one first battery cell and the at least one second battery cell to the power tool. A first battery cell has a first capacity and a first cycle life, a second battery cell has a second capacity and a second cycle life, the first cycle life is greater than the second cycle life, and the first capacity is less than the second capacity.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
H01M 50/296 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by terminals of battery packs
A battery pack (10) for powering an electric tool (20), comprising: a housing (11); a terminal assembly (12), configured to be connected to a tool terminal of the electric tool (20) so as to transmit electric energy; and a battery cell module (13) accommodated in the housing (11) and electrically connected to the terminal assembly (12), the battery cell module (13) at least comprising a plurality of battery cell units (131), wherein the energy density per unit volume of the battery pack (10) is greater than or equal to 110 Wh/mm3.
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
A power tool includes a working assembly and an electric motor. The electric motor is used for driving the working assembly to work. The electric motor includes a rotor assembly, a stator assembly, and an end cover assembly. The end cover assembly is used for fixing windings and leading out multiple motor lead wires. The end cover assembly includes coil end covers and a fixing member. The coil end cover is at least partially embedded into the stator assembly. The fixing member mates with the coil end cover to fix the motor lead wires. The end cover assembly is capable of changing the lead-out direction of the motor lead wires at least twice.
H02K 3/52 - Fastening salient pole windings or connections thereto
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 21/16 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
An airflow device includes a grip for a user to hold; a pipe assembly for the air to pass through; fan blades rotatable about a fan axis; a motor for driving the fan assembly to rotate; and guide vanes for directing the airflow. The inner diameter of the pipe assembly is greater than or equal to 90 mm. The flow rate of the airflow device is greater than or equal to 1000 CFM. The maximum rotational speed of the motor is less than 35000 rpm.
A battery pack, a power tool, and a connecting device. The battery pack comprises a battery pack body and a battery connecting device. The battery connecting device comprises a device body and multiple battery connecting terminals. The multiple battery connecting terminals are arranged on the device body, and can at least transmit electrical energy; the battery connecting terminals are configured to have a cylindrical structure; and the battery connecting terminals are configured to withstand a maximum current of less than or equal to 400 A.
H01R 13/10 - Sockets for co-operation with pins or blades
H01M 50/296 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by terminals of battery packs
H01M 50/572 - Means for preventing undesired use or discharge
H01M 50/579 - Devices or arrangements for the interruption of current in response to shock
A power tool includes a functional piece; an electric motor; a power supply device; a controller connected to the electric motor and used for controlling the operation of the electric motor; and a detection device connected to the electric motor and the controller and configured to detect the duration of each phase of the electric motor. The controller is configured to obtain the duration of a rising phase and the duration of a falling phase according to the duration of each phase of the electric motor and determine whether the electric motor has an uneven commutation phenomenon; and when the electric motor has the uneven commutation phenomenon, dynamically adjust a rising commutation point and/or a falling commutation point of the electric motor based.
B23D 47/12 - Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of drives for circular saw blades
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
A snowthrower includes a shaft configured to rotate around a first axis, a first auger connected to the shaft, an intake housing configured to receive at least a portion of the shaft, and a scraping assembly mounted to the intake housing. The scraping assembly includes a bottom edge disposed frontward of the first axis.
E01H 5/09 - Apparatus propelled by animal or engine powerApparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
E01H 5/04 - Apparatus propelled by animal or engine powerApparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically
An electric tool, comprising: a cutting assembly (120), comprising at least one cutting blade (122) and a cutting motor (M1) driving the cutting blade (122) to perform a cutting action; a power supply apparatus (170), which is at least used to supply power to the cutting motor (M1); a controller (130), which is configured to estimate a rotational moment of inertia of the cutting motor (M1), and control the operation of the cutting motor (M1) according to the rotational moment of inertia of the cutting motor (M1). The tool can realize fault detection of the cutting blade and control the operation of the cutting motor by means of the rotational moment of inertia of the cutting motor, thereby improving the reliability of fault detection and control of the cutting blade.
A01D 34/64 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
H02P 6/06 - Arrangements for speed regulation of a single motor wherein the motor speed is measured and compared with a given physical value so as to adjust the motor speed
A nail gun (100), comprising: a power assembly (20) which comprises at least an electric motor (21) and a transmission assembly (22); a trigger assembly (40) which comprises at least a cylinder assembly (41) and a striker assembly (42); and a housing assembly (10) which comprises at least a first housing (11) held by a user and a second housing (12) for accommodating at least part of the trigger assembly, wherein the power assembly is at least partially located in the first housing; and a distance D7 between the center of gravity of the nail gun and a central plane formed by a front-rear direction and an up-down direction of the first housing is less than or equal to 5 mm.
A cutting tool, comprising: a housing (1), forming an accommodating space; a holding portion (2) for a user to hold; an output shaft (12), configured to install a work attachment (4), wherein the work attachment (4) is configured to execute a cutting operation; a first motor (3), comprising a first motor shaft (30) configured to drive the output shaft (12) to rotate, wherein the outer diameter D of the first motor (3) is smaller than 40 mm; and a transmission assembly (8), which transmits power between the first motor shaft (30) and the output shaft (12).
A misting fan includes a fan assembly including fan blades and a first electric motor for driving the fan blades to rotate; a body formed with a frame for supporting the fan assembly; and a nozzle disposed on the fan assembly and/or the body. The body is formed with a first accommodation cavity for water storage, and the first accommodation cavity is disposed around the fan assembly. In a circumferential direction, an angle of the first accommodation cavity around the fan assembly is greater than or equal to 180°. The misting fan further includes a pump component for pumping water in the first accommodation cavity to the nozzle.
A battery pack includes a housing; a cell assembly disposed in the housing and including multiple cell units; and a heat absorber in thermal contact with at least one cell unit to absorb the heat generated by the cell assembly during a charging and discharging process of the battery pack. The heat absorber contains at least paraffin wax, and the mass of the paraffin wax accounts for 70% to 90% of the mass of the heat absorber.
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 10/655 - Solid structures for heat exchange or heat conduction
H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
A lawn mower (100), comprising: a main unit (12), comprising a mowing element configured to implement a mowing function of the lawn mower (100), and a chassis (122) configured to accommodate at least a portion of the mowing element, the chassis (122) being formed having an air flow channel, and the air flow channel comprising a grass discharge port (123) disposed at a rear end of the main unit (12); and a grass discharge assembly (13), configured to perform a grass discharge function. The grass discharge assembly (13) comprises: a main body (131) configured to guide grass clippings coming out of the grass discharge port (123); and a connecting portion (132), configured to connect the grass discharge assembly (13) with the main unit (12). The main body (131) comprises a top wall baffle (1311) and a side wall baffle (1312), the top wall baffle (1311) and the side wall baffle (1312) being connected so that the main body (131) is substantially in an inverted L shape. The inverted L-shaped main body (131) of the grass discharge assembly (13) has a simple structure, saves material costs, and is easy to store when the grass discharge assembly (13) is not connected to the lawn mower (100).
A01D 34/68 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A01D 34/71 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis with means for discharging mown material
An impact tool includes: an electric motor; a battery set; an impact mechanism; and a controller. The impact mechanism includes an impact block and a hammer anvil impacted by the impact block. The controller is configured to: after the impact mechanism applies the impact force to the output shaft, determine a required torque value of the electric motor; match a preset voltage value of the electric motor in response to the required torque value; and adjust a running parameter of the electric motor according to a relationship between the preset voltage value of the electric motor and a current voltage value of the battery set so that a difference parameter between an electric motor output torque of the electric motor and the required torque value is less than a preset difference parameter at each of different current voltage values of the battery set.
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
The present application discloses a snow sweeper and a power tool. The snow sweeper comprises a main machine, a handle assembly, and a user-carrying assembly. The main machine comprises a snow sweeping assembly, a main machine housing, and a locomotion assembly. The main machine housing supports the snow sweeping assembly. The locomotion assembly is connected to the main machine housing. The handle assembly is connected to the main machine. The user-carrying assembly is connected to the main machine. The user-carrying assembly comprises a user-carrying part used for supporting a user. The snow sweeper has a hand-propelling mode and a user-carrying mode. When the snow sweeper is in the hand-propelling mode, the user-carrying assembly is in a first state relative to the main machine. When the snow sweeper is in the user-carrying mode, the user-carrying assembly is in a second state relative to the main machine. In the user-carrying mode, the user-carrying assembly is in the second state relative to the main machine, and in this case, the user can be located on the user-carrying part so as to be carried by the snow sweeper for advancement, without the need for the user to walk. The settings of the hand-propelling mode and the user-carrying mode allow the user to conveniently switch therebetween according to requirements, thereby avoiding fatigue caused by long-time walking.
E01H 5/06 - Apparatus propelled by animal or engine powerApparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically dislodging essentially by non-driven elements, e.g. scraper blades
E01H 5/12 - Apparatus or implements specially adapted for breaking, disintegrating, or loosening layers of ice or hard snow
42.
POWER TOOL, LIGHTING APPARATUS, BATTERY PACK, AND CHARGER
A power tool, a lighting apparatus, a battery pack, and a charger. The power tool comprises: a circuit board assembly, which is at least partially arranged in a housing, the circuit board assembly being connected to a motor to control the motor. The circuit board assembly comprises at least one heating part, and the heating part causes a rise in temperature when the power tool is in operation. An active heat dissipation assembly is configured to use vibrational motion to guide a fluid to flow. The fluid flows towards the surface of the at least one heating part so as to extract heat from the at least one heating part.
The present application discloses a chain saw. The chain saw comprises: a housing, comprising a main body part and a motor part; a guide plate, extending forwards from the main body part; a chain, arranged around the guide plate; a driving assembly, comprising a motor, wherein the motor is at least partially accommodated in the motor part; a top handle, arranged at and connected to an upper portion of the main body part; and a side handle, arranged on the left or right side of the main body part. The motor part and the side handle are arranged on the same side of the main body part; the main body part comprises a power supply mounting part; the chain saw further comprises: a power supply device, detachably connected to the power supply mounting part and at least configured to supply power to the motor; the power supply device is provided with a first supporting unit, the first supporting unit supports the chain saw in a standing position, and when the chain saw is in the standing position, the included angle between the guide plate center line of the guide plate and the normal vector of a supporting surface is smaller than or equal to 20°.
The present application provides a battery pack, comprising: a housing; and a battery cell assembly disposed in the housing. The battery cell assembly comprises a plurality of battery cell units. A heat absorber is in thermal contact with at least one battery cell unit to absorb heat generated by the battery cell assembly during charging and discharging of the battery pack. The heat absorber contains at least paraffin, and the mass of the paraffin is 70% to 90% of the mass of the heat absorber. The purpose of the present application is to provide a battery pack with long service life, strong capability to suppress temperature rise, and stable output performance.
A battery pack configured to be capable of supplying power to a power tool. The battery pack includes a housing assembly; multiple cells disposed in the housing assembly; a first interface configured to be connectable to a first charging device and configured to be capable of supplying power to the power tool; a second interface configured to be connectable to a second charging device; and a power control module configured to be connected to the second interface. The power control module is used for changing the charge power and/or discharge power of the second interface according to the temperature of the battery pack.
An illuminating device, comprising a lamp cap assembly (100), a supporting rod assembly (200), and a support assembly (300). The lamp cap assembly (100) comprises an illuminating lamp (101); the supporting rod assembly (200) is configured to support the lamp cap assembly (100); the support assembly (300) is configured to support the supporting rod assembly (200), the support assembly (300) is arranged at the lower end of the supporting rod assembly (200), and the support assembly (300) comprises a connecting portion (310), a push rod portion (320), and a support leg portion (330) which are connected in sequence; the connecting portion (310) is connected to the supporting rod assembly (200); the support leg portion (330) is driven by the push rod portion (320); the support assembly (300) has an unfolded state in which the push rod portion (320) drives the support leg portion (330) to move away from the connecting portion (310); and in the unfolded state, two ends of the support leg portion (330) in the extension direction thereof are separately distant from the connecting portion (310).
A snow thrower includes: a snow collection device including a snow collection element for collecting snow and a first electric motor configured to drive the snow collection element to rotate; a snow throwing device including a snow throwing element for throwing out the snow collected by the snow collection device, a discharge chute guiding a snow throwing direction, and a second electric motor driving the snow throwing element to rotate; a main housing for supporting the snow collection device and the snow throwing device; a walking assembly including walking wheels driving the snow thrower to walk on the ground; and a power supply device configured to power the first electric motor and the second electric motor. A working current of the first electric motor is less than or equal to 40 A when the snow collection element works with no load. The snow thrower has relatively high work efficiency.
E01H 5/09 - Apparatus propelled by animal or engine powerApparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
Provided are a bidirectional power supply apparatus and system. The bidirectional power supply apparatus includes: an alternating current input port configured to input an alternating current to the bidirectional power supply apparatus; an alternating current output port configured to output the alternating current to an alternating current device; a direct current input or output port configured to be capable of at least transmitting a direct current between the bidirectional power supply apparatus and a direct current device bidirectionally; a bidirectional energy conversion module configured to be capable of at least performing multiple energy conversions on electrical energy inputted to the bidirectional power supply apparatus; and a power management module electrically connected to at least the alternating current input port, the alternating current output port, and the direct current input or output port. The power management module is configured to control an energy conversion manner of the bidirectional energy conversion module according to a port connection status of the alternating current input port, the alternating current output port, or the direct current input or output port.
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
H02M 5/458 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 7/797 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
A battery pack includes at least a first interface configured to be connectable to a first charging device; and a second interface configured to be connectable to a second charging device. The first interface includes a power terminal and multiple non-power terminals. When the second interface is connected to the second charging device, a terminal state of at least one of the multiple non-power terminals changes so that the first interface is in a non-charging state.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
A bidirectional power supply apparatus includes: an alternating current input port for inputting an alternating current to the bidirectional power supply apparatus; an alternating current output port for outputting the alternating current to an alternating current device; a direct current input or output port for transmitting a direct current between the bidirectional power supply apparatus and a direct current device bidirectionally; a bidirectional energy conversion module for performing multiple energy conversions on electrical energy inputted to the bidirectional power supply apparatus; and a power management module electrically connected to the alternating current input port, the alternating current output port, and the direct current input or output port. The power management module is configured to control an energy conversion manner of the bidirectional energy conversion module according to a port connection status of the alternating current input port, the alternating current output port, or the direct current input or output port.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
H02J 7/35 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
A fastener driver, wherein a striker is connected to a piston; a driving member drives a striking assembly to move backward to the top-dead-center position; an energy storage device drives the striking assembly to move forward to the bottom-dead-center position to output a striking force; and the distance L3 between the top-dead-center position and the bottom-dead-center position is defined as the stroke of the striking assembly. The fastener driver is configured to drive a fastener to move within a preset length L4, and the ratio of the stroke of the striking assembly to the preset length is less than or equal to 1.5.
A snow sweeper, comprising: a motor (110); a snow sweeping paddle (121), which is configured to be driven by the motor (110) so as to rotate about a first axis (101); a housing (130), for accommodating at least part of the snow sweeping paddle (121); a handle device (140), which is rotatably connected to the housing (130); a snow throwing device (160), which is configured to guide the direction in which the snow sweeper throws aside snow; and an adjustment device (200), comprising an operating part (210) for a user to operate, the operating part (210) being configured to rotate about a second axis (102) so as to adjust the angle by which at least part of the snow throwing device (160) rotates about a third axis (103), and the operating part (210) being configured to rotate about a fourth axis (104) so as to adjust the angle by which at least part of the snow throwing device (160) rotates about a fifth axis (105). In the extension direction of the first axis (101), at least part of the operating part (210) is disposed on the side of the handle device (140) away from the snow throwing device (160).
E01H 5/09 - Apparatus propelled by animal or engine powerApparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
53.
LAWN MOWER, MOBILE CHARGER, AND MOBILE POWER SUPPLY
A lawn mower, an outdoor locomotion device, a mobile charger, and a mobile power supply. The lawn mower comprises a frame, a locomotion wheel set, a locomotion motor, a mowing assembly, a mowing motor, and at least one air storage tank. The air storage tank of the lawn mower is mounted on the frame, and configured to provide an air source for operation of the lawn mower.
A01D 34/64 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
A01D 67/00 - Undercarriages or frames specially adapted for harvesters or mowersMechanisms for adjusting the framePlatforms
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
A power tool, comprising: a cylinder, which is at least partially arranged in a housing. Gas is stored in the cylinder. The cylinder comprises: an inflation nozzle, through which the cylinder is pre-filled with gas; an inflating valve, through which the gas filled by the inflation nozzle flows and then enters the cylinder; and a pressure relief valve, which is arranged between the inflation nozzle and the inflation valve. When the pressure of the gas filled by the inflation nozzle is greater than a first preset pressure, the filled gas is released through the pressure relief valve.
A working system of a self-moving device (10), and a base station (20). The working system of a self-moving device (10) comprises: a self-moving device (10) which walks autonomously and executes a work task; a first base station (21a) configured to acquire first satellite observation data, parse the first satellite observation data to generate first differential data, and transmit the first differential data to the self-moving device (10); and a second base station (21b) configured to acquire second satellite observation data, parse the second satellite observation data to generate second differential data, and transmit the second differential data to the self-moving device (10). The self-moving device (10) receives the first differential data from the first base station (21a) and the second differential data from the second base station (21b), calculates a difference parameter on the basis of the first differential data and the second differential data, when the difference parameter meets a corresponding base station (20) deviation condition, determines that the first base station (21a) and/or the second base station (21b) has deviated from a corresponding initial installation position, and issues a base station (20) deviation alarm.
G01S 19/07 - Cooperating elementsInteraction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
Un système de recharge comprend au moins un premier dispositif de chargement et au moins un deuxième dispositif de chargement en cascade. Le premier dispositif de chargement comprend au moins une première partie de réception pour installer un premier dispositif de stockage d’énergie, le premier dispositif de chargement pouvant charger le premier dispositif de stockage d’énergie installé sur la première partie de réception, et un port de connexion pour brancher le deuxième dispositif de chargement ou le premier dispositif de chargement. Le deuxième dispositif de chargement comprend au moins une deuxième partie de réception pour installer un deuxième dispositif de stockage d’énergie, le deuxième dispositif de chargement pouvant charger le deuxième dispositif de stockage d’énergie installé sur la deuxième partie de réception, et un port de connexion pour brancher le premier dispositif de chargement ou le deuxième dispositif de chargement. La première partie de réception et la deuxième partie de réception sont de différentes formes et dimensions. Les solutions précédentes sont adoptées, de sorte qu’un dispositif de réception d’énergie électrique adaptée pour le chargement pratique de divers dispositifs de stockage d’énergie puisse être fourni, et le dispositif de réception d’énergie électrique présente une capacité de sortie de courant relativement forte et peut accroître la vitesse de recharge d’un bloc-batterie dans le système de recharge.
A impact tool includes a motor including a stator and a rotor, where the rotor is formed on or connected to a drive shaft that rotates about a first axis; a first handle disposed at an end of a housing facing away from an output shaft along the direction of the first axis; and a direct current (DC) power supply including at least two battery packs and supported on the housing, where along the direction of the first axis, the DC power supply at least partially overlaps the motor.
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25F 5/02 - Construction of casings, bodies or handles
58.
SELF-MOVING MOWING SYSTEM, SELF-MOVING MOWER AND OUTDOOR SELF-MOVING DEVICE
A self-moving mowing system includes: an actuating mechanism having a mowing assembly configured to achieve a mowing function and a moving assembly configured to achieve a moving function; an image acquisition module capable of acquiring a real-time image of a mowing area; a display module configured to display the real-time image or a simulated scene image generated according to the real-time image; a receiving module configured to receive an instruction input by a user; an obstacle generation module configured to generate, according to the instruction input by the user, a first virtual obstacle identifier so as to form a first fusion image; and a control module electrically connected or communicatively connected to a sending module, where the control module is configured to control the actuating mechanism to avoid the first virtual obstacle identifier in the first fusion image.
G06V 20/20 - ScenesScene-specific elements in augmented reality scenes
G06V 20/58 - Recognition of moving objects or obstacles, e.g. vehicles or pedestriansRecognition of traffic objects, e.g. traffic signs, traffic lights or roads
Disclosed in the present application is a polishing machine, comprising: a machine housing, a motor, a spindle, a mounting shaft, a limiting member and a locking mechanism, wherein the spindle is in transmission connection with a motor shaft of the motor, and the spindle can rotate around a first axis relative to the machine housing; and the mounting shaft is detachably connected to the spindle, and the movement of the mounting shaft drives the locking mechanism, such that the locking mechanism allows the limiting member to move so as to limit the movement of the mounting shaft in the direction of the first axis. By means of providing the locking mechanism, the polishing machine makes it possible for a user to complete the butt joint and locking between the mounting shaft and the spindle in a single operation, thus simplifying the operation step of mounting a working head and increasing the efficiency of replacing the working head.
A surface treatment tool. The surface treatment tool comprises a housing, a driving assembly, a transmission system, and a working accessory; the driving assembly is arranged in the housing, the driving assembly comprises a motor, and a motor shaft of the motor can rotate about the motor axis; the transmission system comprises an input shaft and an output shaft, the input shaft can rotate about an input axis, and the output shaft can rotate about an output axis; the working accessory is connected to the output shaft; a first plane P1 is defined, the intersection of the first plane P1 and the input axis is a first intersection C1, the intersection of the first plane P1 and the output axis is a second intersection C2, a line connecting the first intersection C1 and the second intersection C2 is a transmission center line, the included angle between the projection line of the motor axis onto the first plane P1 and the transmission center line is a first included angle α, and the first included angle α is greater than or equal to 90 degrees and less than or equal to 170 degrees.
An electric all-terrain vehicle includes a vehicle frame; a seat used for a user to sit on and mounted to the vehicle frame; a traveling wheel set supporting the vehicle frame and including front wheels and rear wheels; a driving system for driving the traveling wheel set; and a power supply assembly including an energy storage device and used for supplying electric power to at least the driving system. The energy storage device is detachably mounted to the vehicle frame, and the energy storage device is further configured to be detachable from the vehicle frame to supply power to a power tool.
B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
B60K 1/04 - Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
B60K 17/356 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60N 2/015 - Attaching seats directly to vehicle chassis
B60R 5/00 - Compartments within vehicle body primarily intended or sufficiently spacious for trunks, suit-cases, or the like
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
A hedge trimmer includes a front end device including at least a cutting assembly extending along a longitudinal axis and a front housing for supporting the cutting assembly; a rear end device including at least a motor for driving the cutting assembly and a rear housing for supporting the motor; a connecting rod connecting the front end device to the rear end device; a power device supported by the rear housing and configured to supply electrical energy to the motor; a main handle connected to a first switch; and a second switch disposed on a front side of the first switch. In a direction of the longitudinal axis, the distance between the first switch and a first cutting tooth of the cutting assembly is greater than or equal to 120 mm and less than or equal to 1000 mm.
Provided is an adapter including a housing; a first interface configured to be electrically and mechanically connected to a first battery pack in a detachable manner; a second interface configured to be electrically and mechanically connected to a second battery pack in a detachable manner; and a third interface configured to be electrically and mechanically connected to an electrical apparatus in a detachable manner. The housing forms an accommodation cavity, the first interface and the second interface are disposed in the accommodation cavity, the third interface is disposed outside the accommodation cavity, and when the first battery pack is mounted to the adapter, at least 70% of the first battery pack is accommodated in the accommodation cavity.
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
A01D 34/64 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
H01R 33/90 - Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holdersSeparate parts thereof adapted for co-operation with two or more dissimilar counterparts
A chainsaw includes a housing; a first motor supported by the housing; a saw chain driven by the first motor to implement a cutting function; a guide bar, where an end of the guide bar is supported by the housing and the guide bar is used for supporting and guiding the saw chain; an oil pump assembly including an oil pump for pumping lubricants to lubricate the saw chain or the guide bar and an oil can for storing the lubricants; and a second motor for driving the oil pump, where the distance between the center of gravity of the first motor and the center of gravity of the second motor is less than or equal to 1 m.
A stand-on lawn mower, comprising: a mowing assembly (30), comprising a mowing element configured to implement a mowing function; a pair of drive rods (54), configured to at least be operated by a user, and having at least a first position open towards both sides and a second position closed towards the middle; a travel assembly (20), comprising a front travel wheel (21) and a rear travel wheel (22); a driving assembly, at least comprising a first motor configured to drive the travel assembly; a power supply device (40), configured to at least supply power to the first motor; a control assembly, at least configured to control the operation of the first motor; a display screen (55) having a display surface (551), a projection of the driving rods onto a first plane (101) when the driving rods are in the second position at least partially overlapping with a projection of the display surface onto the first plane, and the first plane being parallel to a ground plane on which the travel assembly is located. The stand-on lawn mower improves the user experience by means of providing a display screen while ensuring a compact structure on an operating platform.
A reciprocating power tool includes a housing; a power assembly including an electric motor; a transmission assembly connected to the power assembly; a reciprocating assembly connected to the transmission assembly, performing a reciprocating motion, and mountable with a working accessory for an operation; and a balancing component for balancing a motion of the reciprocating assembly. A maximum distance the centroid of the reciprocating assembly moves is a first distance L1; a maximum distance the centroid of the balancing component moves is a second distance L2; the mass of the reciprocating assembly is a first mass M1, and the mass of the balancing component is a second mass M2; the ratio of a product M2·L2 of the second mass M2 and the second distance L2 to a product M1·L1 of the first mass M1 and the first distance L1 is greater than 1.05.
A cart suitable for a storage box, comprising: a locomotion assembly, comprising rotatable wheels; and a bottom plate assembly, comprising a bottom plate, the bottom plate being connected to the locomotion assembly, and the bottom plate assembly being at least partially provided on the upper side of the locomotion assembly. The cart further comprises a first support plate, and the first support plate at least has a first state relative to the bottom plate; and when the first support plate is in the first state, the first support plate is connected to the bottom plate at an interval by means of at least one storage box.
B62B 3/02 - Hand carts having more than one axis carrying transport wheelsSteering devices thereforEquipment therefor involving parts being adjustable, collapsible, attachable, detachable, or convertible
B65D 21/036 - Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together for stacking containers one upon another in the upright or upside down position, e.g. with vertically projecting elements or recesses having closure means specially adapted for facilitating stacking
A power tool includes a locking mechanism for locking the output shaft when the output shaft transmits torque to the motor shaft. The locking mechanism includes a shaft lock bracket connected to the output shaft to drive the output shaft; and a damping assembly including a first mounting portion connected to the output shaft, a second mounting portion connected to the shaft lock bracket, and a buffer part. The buffer part connects the first mounting portion to the second mounting portion. When the output shaft and the shaft lock bracket move relative to each other, the buffer part undergoes the torsional deformation to provide a buffer force that delays the movement of the output shaft relative to the shaft lock bracket.
A manned mower includes a seat; a frame for supporting the seat; a cutting assembly mounted on the frame and including a mowing element for cutting grass; a walking assembly mounted on the frame and including a left walking wheel and a right walking wheel; an energy storage device disposed on the front side of the seat and configured to supply power to the cutting assembly and the walking assembly; and a front cover disposed on a front portion of the manned mower and formed with an accommodation cavity for accommodating at least the energy storage device. In a front and rear direction, the center of gravity of the energy storage device is located before a line between the center point of the left walking wheel and the center point of the right walking wheel.
A01D 34/78 - Driving mechanisms for the cutters electric
A01D 34/64 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
A drain auger includes a drum, a motor, and a cable. The drum forms an accommodation space. The motor drives the drum to rotate. The cable is at least partially stored in the accommodation space. The total length of the extended cable has a cable length L, the drum has an inner bottom surface forming the accommodation space, the diameter of the inner bottom surface is the first diameter D, and, when the cable length L and the first diameter D are both measured in centimeters, the ratio L/D2 of the cable length L to the square of the first diameter D is greater than or equal to 3.5.
E03C 1/302 - Devices to facilitate removing of obstructions in waste pipes or sinks using devices moved through the pipes
B65H 75/40 - Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable
A power tool includes a functional piece; an electric motor; a power supply device for supplying power to the electric motor; a parameter detection device configured to acquire multiple operating parameters of the electric motor and/or the power supply device; and a controller connected to the parameter detection device and configured to control running of the electric motor. The controller is configured to detect whether the multiple operating parameters satisfy policy switching conditions corresponding to the multiple operating parameters; in the case where any operating parameter of the multiple operating parameters satisfies a policy switching condition corresponding to the any operating parameter, control the electric motor by using a first electric motor control policy; and in the case where none of the multiple operating parameters satisfy the policy switching conditions corresponding to the multiple operating parameters, control the electric motor by using a second electric motor control policy.
H02P 23/00 - Arrangements or methods for the control of AC motors characterised by a control method other than vector control
H02P 23/14 - Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
H02P 23/20 - Controlling the acceleration or deceleration
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
H02P 29/68 - Controlling or determining the temperature of the motor or of the drive based on the temperature of a drive component or a semiconductor component
A sanding tool includes a body and a battery pack. The body includes a housing formed with a battery pack coupling portion, a main handle connected to the housing, a sanding assembly connected to the housing with a base plate, where the base plate forms a support plane; and an electric motor in the housing. The mounting surface of the battery pack is at least partially disposed between the electric motor and the main handle. The projection point of the center of gravity of the whole machine on an extended surface of the support plane is located within the support plane of the base plate. Along the front and rear direction of the housing, the base plate has a first centerline, and the distance from the projection point to the first centerline is greater than or equal to 0 mm and less than or equal to 38 mm.
B24B 23/06 - Portable grinding machines, e.g. hand-guidedAccessories therefor with abrasive belts, e.g. with endless travelling beltsAccessories therefor
A walk-behind power tool includes a working assembly, a body, a handle device, and an energy device. The working assembly includes a working member and a motor configured to drive the working member. The body is configured to accommodate the working assembly. The energy device is configured to provide energy for the motor. The body includes a coupling portion configured to accommodate the energy device and a storage portion configured to store an article. The body has a foremost end of the body, and at least part of the coupling portion is disposed between the foremost end of the body and the storage portion. A projection of the storage portion on the ground is defined as a first projection, a projection of the working member in rotation on the ground is defined as a second projection, and at least part of the first projection overlaps the second projection.
A01D 34/68 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
A pipeline cleaner (100), comprising a drum (120), a motor (140) and a cable (130), wherein the drum (120) is provided with an accommodating space, the motor (140) drives the drum (120) to rotate, and the cable (130) is at least partially stored in the accommodating space; and the total length of the cable (130) after being spread is defined as a cable length L, the drum (120) has an inner bottom surface for forming the accommodation space, the diameter of the inner bottom surface is defined as a first diameter D, and when the cable length L and the first diameter D are both in centimeters, the ratio L/D2 of the cable length L to the square of the first diameter D is greater than or equal to 3.5.
B08B 9/047 - Cleaning the internal surfacesRemoval of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices having motors for powering cleaning tools
B08B 13/00 - Accessories or details of general applicability for machines or apparatus for cleaning
E03C 1/302 - Devices to facilitate removing of obstructions in waste pipes or sinks using devices moved through the pipes
81.
POWER TOOL, CUTTING TOOL, CIRCULAR SAW, AND CONTROL METHOD FOR POWER TOOL
A power tool, a cutting tool, and a circular saw (100). The power tool comprises: a first motor (21; 21e; 21f) and a second motor (22; 22e; 22f), wherein a first driving shaft (211; 211e; 211f) and a second driving shaft (221; 221e; 221f) arranged along the radial direction of the first driving shaft (211; 211e; 211f) are provided; a power transmission mechanism (40) transmitting the power of at least one of the first motor (21; 21e; 21f) and the second motor (22; 22e; 22f) to an output shaft (30); and an accommodating housing (14), wherein when orthographic projection observation is performed in the extension direction of the output shaft (30), the ratio of an outer dimension Lc of the accommodating housing (14) along the direction of a line connecting a first axis (201) and a second axis (202) to an outer diameter dimension D of either of the motors is greater than or equal to 1.1. The power tool is driven by the two motors which cooperate with each other.
B23D 45/16 - Hand-held sawing devices with circular saw blades
B23D 47/12 - Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of drives for circular saw blades
B28D 1/04 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhereMachines, devices, tools therefor by sawing with circular saw blades or saw discs
B23D 59/00 - Accessories specially designed for sawing machines or sawing devices
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H02P 1/58 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting two or more dynamo-electric motors sequentially
An airflow apparatus (10), and a blower and vacuum (20). The airflow apparatus (10) comprises: an electric motor; a fan assembly driven by the electric motor to rotate to generate negative pressure; an air suction tube (711) for using the negative pressure to suction in substances to be suctioned in; and an air blowing port (102) mounted on a collection device (750). The airflow apparatus (10) further comprises a blocking part (911), wherein the blocking part (911) divides said substances into a first portion and a second portion, the first portion directly falling into the collection device (750), and the second portion being blocked by the blocking part (911).
A nail gun (100), comprising: a housing (11); an electric motor (121), which is disposed in the housing; a trigger assembly (16), which is configured, within a nailing cycle, to move from an initial position to a trigger position so as to drive a nail into a workpiece, and to move from the trigger position to the initial position; a parameter measurement unit (21), which is at least connected to the electric motor (121) and measures at least the number of turns of rotation of the electric motor (121); and a controller (23), which is at least connected to the parameter measurement unit (21), wherein the controller (23) is configured to control the electric motor (121) to operate at a constant rotation speed when the number of turns of rotation is greater than or equal to a first number-of-turns threshold value and is less than a second number-of-turns threshold value.
A nail gun (100), comprising: a housing (11); a motor (121) disposed in the housing; a battery pack (15) configured to supply power to the motor (121); a firing assembly (16) configured to be capable of moving from an initial position to a firing position so as to drive a nail to a workpiece and moving from the firing position to the initial position within a nailing cycle; a parameter measurement unit (21) at least connected to the motor (121) and at least measuring a working parameter of the motor (121); and a controller (23) at least connected to the parameter measurement unit (21), the controller (23) being configured to, in a motor starting process, if the working parameter is less than or equal to a parameter threshold, limit the maximum duty ratio of a starting control signal to be less than or equal to a duty ratio threshold. Also disclosed are a power tool and a method for controlling the nail gun.
Disclosed is a nail gun, comprising: a housing (11); a motor (121), provided in the housing (11); a firing assembly (16), which is configured such that in a nailing cycle, the firing assembly can move from an initial position to a firing position so as to fire a nail to a workpiece, and then move from the firing position to the initial position; a guide assembly (114), which is configured to at least guide the firing assembly (16) to fire a nail in the nailing direction; a trigger switch (113a), which is provided on the housing (11) and configured to be operated when there is an intention to drive the firing assembly (16); a push rod switch (113b), which is configured to be turned on in the case of being pressing against the workpiece in the nailing direction; and a controller (23), at least capable of acquiring a starting signal and controlling the motor (121) to run, the controller (23) being configured to, when a starting signal has been detected in the current nailing cycle, at least control the motor (121) to keep running until a next nailing cycle so as to fire a nail. Thus, the present application achieves quickly responding to the current starting signal to fire a nail. Further disclosed is a control method for the nail gun.
A pipecutter includes a housing, a motor, a rotating assembly, and a first drive assembly. The rotating assembly includes a first bracket assembly, a second bracket assembly, and a locking assembly, where the locking assembly is configured to lock or unlock a pipe and the pipecutter. The first drive assembly is driven by the motor to drive the rotating assembly to rotate. The locking assembly includes a rocker arm; when the rocker arm is at a first position, the locking assembly is in an unlocking state; and when the rocker arm is at a second position, the locking assembly is in a locking state. The pipecutter further includes a second drive assembly, the second drive assembly includes a first pushing member which is able to push the rocker arm to move from the first position to the second position.
An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.
A01D 69/02 - Driving mechanisms or parts thereof for harvesters or mowers electric
A01D 34/64 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
A01D 34/78 - Driving mechanisms for the cutters electric
A battery pack includes: a cell group configured to store electrical energy; a power terminal configured to transmit power; and a communication terminal configured to transmit first communication data. The power terminal includes: a first power terminal forming a first electrical connection with the cell group to transmit power; and a second power terminal forming a second electrical connection with the cell group to transmit power and second communication data. The battery pack further includes a controller electrically connected to at least the second power terminal and the communication terminal and capable of controlling the second electrical connection to be enabled or not.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
H01M 50/583 - Devices or arrangements for the interruption of current in response to current, e.g. fuses
A power tool includes an operating member for a user to operate to select a currently adopted target working mode, where the power tool has at least two working modes; an electric motor; a drive device used for driving the electric motor; and a controller used for outputting a control signal to the drive device to control the drive device. The controller is configured to: according to the target working mode currently, determine a target switching condition for switching a control manner of the electric motor in the target working mode, where switching conditions for switching the control manner of the electric motor in different ones of the at least two working modes are different; and when the target switching condition is satisfied, switch the control manner of the electric motor from a first target control manner to a second target control manner in the target working mode.
A power tool includes a mounting portion for optionally mounting one working accessory of multiple working accessories; a motor configured to drive the working accessory mounted on the mounting portion; and a control device configured to control rotation of the motor according to a target control program matching the working accessory. The control device is configured to, when the motor is in a pre-starting stage, estimate rotational inertia of the motor and identify the working accessory currently mounted to the mounting portion based on the rotational inertia.
A01D 34/66 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle with two or more cutters
A01D 34/78 - Driving mechanisms for the cutters electric
A power tool includes a transmission assembly configured to transmit power between a motor and an output assembly to drive an output shaft to oscillate back and forth; and an adjustment assembly for adjusting the transmission assembly. The adjustment assembly is configured to, when a load of the output shaft satisfies a preset value of the adjustment assembly, control the transmission assembly according to the load of the output shaft so that the transmission assembly adjusts an angle of oscillation of a work attachment.
An impact tool includes a motor including or connected to a drive shaft for outputting power and is rotatable about a first axis, an impact assembly including a main shaft and a spring sleeved on the main shaft, a transmission assembly for transmitting the power output by the drive shaft to the main shaft, a main shaft bearing for supporting the main shaft, and a second bearing for supporting the drive shaft. The projections of the second bearing, the main shaft bearing and the spring on a reference plane perpendicular to the up and down direction have an overlapping region.
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25F 5/02 - Construction of casings, bodies or handles
An electric all-terrain vehicle, comprising: a frame (100); a seat (120) for a user to sit, the seat (120) being mounted to the frame (100); a walking wheel set (400), the walking wheel set (400) comprising front wheels (40F) and rear wheels (40R); a driving system (12), comprising a driving motor (123), the driving system (12) driving the walking wheel set (400); a power supply assembly (161), the power supply assembly (161) comprising an energy storage device and at least providing power for the driving system, and the power supply assembly (161) being a direct-current power supply; and a gear box (13), comprising an output shaft, and configured to transmit power of the driving system (12) to the walking wheel set (400), wherein the driving motor (123) is basically parallel to the output shaft of the gear box (13).
B62K 25/24 - Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with more than one arm on each fork leg for front wheel
B60G 3/00 - Resilient suspensions for a single wheel
A battery pack (100) and an electric tool (200). The battery pack (100) comprises a housing (110). A battery module (120) is provided in the housing (110) and comprises a plurality of battery cells (10). Each battery cell (10) comprises a positive electrode plate (11), a negative electrode plate (12), an electrolyte (13), a positive tab (14) and a negative tab (15). The electrolyte (13) is arranged between the negative electrode plate (12) and the positive electrode plate (11), the positive tab (14) is electrically connected to the positive electrode plate (11), and the negative electrode tab (15) is electrically connected to the negative electrode tab (12). Two ends of the battery cell (10) in a first direction are respectively a first end face (101) and a second end face (102), one of the positive electrode tab (14) and the negative electrode tab (15) is arranged on the first end face (101), and the other one thereof is arranged on the second end face (102). In a second direction, the ratio of the width of the positive electrode tab (14) to the width of the battery cell (10) is greater than or equal to 0.5, and/or, in the second direction, the ratio of the width of the negative electrode tab (15) to the width of the battery cell (10) is greater than or equal to 0.5. The second direction is perpendicular to the first direction.
A battery pack includes a housing, a cell assembly, a cell support member, a first sensor, and a second sensor. The cell assembly is disposed in the housing; and the cell support member is at least configured to support the cell assembly. The cell assembly includes a plurality of cells which are sheet-shaped, the plurality of cells are stacked, and a cell among the plurality of cells includes an encapsulation member configured to encapsulate the cell and a tab disposed at at least one end of the cell assembly and protruding from the cell. The first sensor is configured to detect a temperature of the cell and is disposed on a side of the tab facing towards the cell support member. The second sensor is configured to detect a parameter related to leakage of the cell and is disposed in the cell assembly.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
A vehicle-type driving device includes a traveling assembly including multiple traveling wheels; a steering wheel configured to control the vehicle-type driving device to steer; a traveling motor for driving the vehicle-type driving device to steer at a target angular velocity, where the ratio of the target angular velocity to the change in the steering angle of the steering wheel is defined as a steering ratio; and a control device configured to, when the traveling speed of the vehicle-type driving device is within a preset range, set the steering ratio according to a steering ratio curve function, where variables of the steering ratio curve function include the steering angle of the steering wheel and the traveling speed of the vehicle-type driving device.
A power tool combination includes a power tool and an auxiliary handle. The auxiliary handle includes a second grip, a clamping assembly, and a locking assembly that includes an operation member. When a position state of the operation member is changed, the locking assembly is switched between a locked state and a released state. When the locking assembly is switched to the released state, the operation member applies a drive force to at least one of a first clamping arm and a second clamping arm so that the first clamping arm and the second clamping arm move away from each other.
A fan includes: a support base; a fan assembly; a battery pack coupling portion located at an end of the fan adjacent to the support base and used for mounting a battery pack powering the fan assembly; and a clamping assembly disposed on the support base and used for clamping the support base to an external fixed component. The clamping assembly includes a first jaw, a second jaw, and an adjustment member. The adjustment member passes through the first jaw and the second jaw. The adjustment member is operated to increase or decrease an opening distance between the first jaw and the second jaw. The maximum opening distance formed between the first jaw and the second jaw is greater than or equal to 35 mm.
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
F04D 29/64 - MountingAssemblingDisassembling of axial pumps
A push working machine includes a body including at least a traveling assembly, a traveling motor driving the traveling assembly, a functional assembly, and a functional motor driving the functional assembly; a handle device connected to the body and including at least an operating member for a user to operate; a controller configured to control at least the working states of the traveling motor and the functional motor; and a power interface for connecting electrical energy capable of supplying power to at least the traveling motor and the functional motor. The controller is configured to, in response to a start signal, be capable of controlling the traveling motor to accelerate to the first speed with the first acceleration and accelerate to the target self-propelled speed with the second acceleration.
A01D 34/69 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels with motor driven wheels
