Abstract: A battery, a battery module, a battery pack and an electric device are provided. In some embodiments, the battery includes: a positive electrode, a separator and a negative electrode, wherein the separator includes a base film, a first coating provided on a first surface of the base film, and a second coating provided on a second surface of the base film, the first coating includes a first polar substance, and hydrogen bonds are formed between the first polar substance and a positive binder; hydrogen bonds are formed between the second polar substance and a negative binder and/or a negative active component. In the present disclosure, binding forces between the separator and the positive electrode and the negative electrode may be increased by the hydrogen bonds, thus reducing a cycle expansion rate of a bare cell and improving a high-rate discharge performance and a cycle performance of the battery.

Abstract: Disclosed is a continuous feeding device for predatory mites, including a feeding part and an isolation part; the feeding part includes a plurality of feeding assemblies arranged in sequence from top to bottom, and the top and bottom ends of two adjacent feeding assemblies are detachably connected by a connector; the feeding assemblies include feeding boxes, bottom screens and supporting bases arranged in sequence from top to bottom; the bottom ends of the feeding boxes are fixedly connected with the top ends of the bottom screens, the bottom ends of the bottom screens are fixedly connected with the top ends of the supporting bases, and the bottom end of the supporting base of any feeding box is detachably connected with the top end of an adjacent feeding box through the connector; climbing pieces are arranged inside the feeding boxes; and an inducer is arranged outside the feeding boxes.

Abstract: Disclosed are a battery swapping station and a control method therefor. The battery swapping station comprises: a first battery swapping platform being arranged between a first charging compartment and a second charging compartment; a first shuttle travels between the first battery charging compartment and the first battery swapping platform, a second shuttle travels between the second battery charging compartment and the first battery swapping platform; a control unit being electrically connected to the first shuttle and to the second shuttle, used for the following operation: when operating a same vehicle on the first battery swapping platform, if the first shuttle is executing either operation of battery unmounting or battery mounting, the second shuttle executes the other operation. Through the battery swapping station and the control method therefor, the waiting time for vehicles when swapping batteries can be reduced, thus increasing the battery swapping efficiency of the battery swapping station.

Abstract: Disclosed are a battery replacement system and a control method for the battery replacement system. The battery replacement system comprises a walking channel (2) and a battery replacement apparatus (1), wherein a battery replacement position (4) is provided on the walking channel (2), and the battery replacement apparatus (1) is used for moving to the battery replacement position (4) along the walking channel (2). The battery replacement system and the control method for the battery replacement system can realize rapid battery replacement operation and improve the battery replacement efficiency and the stability of the battery replacement operation.

Abstract: Disclosed is a battery pack fixing system. The battery pack fixing system comprises a locking mechanism (1), wherein the locking mechanism (1) is arranged on the contact surface of a battery pack (2) and a support (3), and the battery pack (2) is unlocked or locked on the support (3) by rotating the locking mechanism (1). According to the battery pack fixing system, the battery pack (2) is unlocked or locked on the support (3) by using the rotation movement of the locking mechanism (1) in different directions, so that the objective of fixing the battery pack (2) on the support (3) is achieved; and compared with a traditional locking mechanism, the battery pack fixing system has advantages such as being firmer in fixing and highly reliable. Further disclosed are a mounting method and a dismounting method for the battery pack.

Abstract: Disclosed are a battery swapping station and a control method therefor. The battery swapping station comprises: a first battery swapping platform being arranged between a first charging compartment and a second charging compartment; a first shuttle travels between the first battery charging compartment and the first battery swapping platform, a second shuttle travels between the second battery charging compartment and the first battery swapping platform; a control unit being electrically connected to the first shuttle and to the second shuttle, used for the following operation: when operating a same vehicle on the first battery swapping platform, if the first shuttle is executing either operation of battery unmounting or battery mounting, the second shuttle executes the other operation. Through the battery swapping station and the control method therefor, the waiting time for vehicles when swapping batteries can be reduced, thus increasing the battery swapping efficiency of the battery swapping station.

Abstract: Provided are a battery holder, a power transfer device, an electric vehicle and an installation method for electric vehicle. The battery holder includes a fixing bracket, a lock mechanism and a plurality of supporting devices, the lock mechanism is fixed on the fixing bracket, the supporting device is fixed on one side of the fixing bracket facing the battery pack. The electric vehicle includes the battery holder as described above. In the present invention, the weight of the battery pack can be simultaneously distributed on the plurality of supporting devices and the lock mechanism, the force of the fixing bracket is more evenly, the force applied by the battery pack to the lock mechanism is reduced, the force concentration of the lock mechanism on the fixing bracket is prevented, the service life of lock mechanism is improved, and improve the connection strength between battery pack assembly and battery holder.

Abstract: A display screen lighter and a display screen detection device are provided.

Abstract: A fluid disinfector includes one or more disinfection units connected in series along a flow path of a fluid to be disinfected so that the fluid to be disinfected can only enter one disinfection unit after exiting from an adjacent preceding disinfection unit. The disinfection unit includes a matter layer, a light layer and a germicidal light source for generating germicidal light. The matter layer is made of porous material having a first surface to receive the fluid to be disinfected and to intercept and capture pathogens from the fluid to be disinfected; the light layer is a space permeable to the fluid and transparent to the germicidal light. When in operation, the light layer contains the germicidal light impinging on the first surface of the matter layer.

Abstract: The present invention relates to a plant which has integrated into its genome an exogenous polynucleotide encoding a polypeptide which confers resistance to at least one strain of Puccinia graminis.

Abstract: An anastomat includes a body tail plate and a battery pack, a triode and a controller. The elastic sheets for positive and negative signals of the body tail plate are connected to the upper and lower signal conducting sheets in the battery pack by means of a mechanical mechanism, and afterwards are used for outputting a signal for the anastomat. After the power clamping reed of the body tail plate is connected to the power output conducting plate in the battery pack by means of a mechanical structure, the power clamping reed is used for outputting power for the anastomat. The controller is used for controlling the operation of a battery panel in the battery pack, wherein the base of the triode is connected to a pin corresponding to the controller, the collector of the triode is connected to the battery panel, and the emitter of the triode is grounded.

Abstract: Provided is a charging system for a swapping station or an energy storage station. The charging system comprises at least two charging modules (101, 102, 201, 202, b1, d1, d2, d3, d4), battery charging ports (104, 105), and a control module (103, 203); and the control module (103, 203) is used for calling different numbers of charging modules (101, 102, 201, 202, b1, d1, d2, d3, d4) and/or controlling the output power of each of the charging modules (101, 102, 201, 202, b1, d1, d2, d3, d4). Different numbers of charging modules (101, 102, 201, 202, b1, d1, d2, d3, d4) are called according to the different charging requirements, and the output power of the charging modules can also be controlled, such that the batteries can be efficiently and quickly charged, electric energy can be rationally distributed, and the charging efficiency can be improved.

Abstract: A thermostatic massage pad includes: a thermostatic pad, wherein a thermostatic water pipe is arranged inside the thermostatic pad; a cooling pad, wherein a cooling water pipe is arranged inside the cooling pad; a casing, wherein a thermostatic water pump and a cooling water pump are respectively arranged inside the casing, a thermostatic water tank is arranged at a top of the thermostatic water pump, a cooling water tank is arranged at a top of the cooling water pump, a water inlet end of the thermostatic water pump is connected to a water outlet of the thermostatic water tank, and a water inlet end of the cooling water pump is connected to a water outlet of the cooling water tank; a thermoelectric cooler, wherein an end surface of the thermoelectric cooler is fixedly connected to a wall surface of the thermostatic water tank.

Abstract: An integrated semiconductor device includes a substrate, semiconductor circuit layers, an insulating material, and an interconnection layer. The semiconductor circuit layers are disposed above the substrate. The semiconductor circuit layers have device portions and isolating portions, and the isolating portions are located among the device portions. The insulating material is disposed on the semiconductor circuit layers, and the interconnection layer is embedded in the insulating material and electrically connected to the semiconductor circuit layers. The isolating portions provide electrical isolation between adjacent device portions. The interconnection layer has circuits embedded in the insulating material on the device portions. The insulating material has isolating structures raised from top surfaces of the circuits on the device portion, and some of the semiconductor circuit layers form at least one heterojunction.

Abstract: An electrical connection plug, an electrical connection device and an electric. The electrical connection plug includes a first fixing plate, a mounting base, an electrical connection assembly and a plurality of plug-in assemblies, the electrical connection assembly and the plurality of the plug-in assemblies are all connected to the mounting base, and the mounting base is in floating connection with the first fixing plate. The electrical connection device includes an electrical connection socket and the above electrical connection plug, the electrical connection assembly and the plurality of plug-in assemblies are all connected to the electrical connection socket. The electric vehicle includes a battery pack, a vehicle body and the above electrical connection device, the electrical connection plug is connected to the vehicle body, and the electrical connection socket is connected to the battery pack.

Abstract: An UV or DUV light-emitting diode package includes: a foundation; a first metal layer, a second metal layer, and third metal layer formed on a top surface of the foundation, wherein the first metal layer and the second metal layer are electrically isolated by a first gap, the third metal layer surrounds the first and second metal layers and is electrically isolated from the first and second metal layers by a second gap; a lens attached to the top surface of the foundation, wherein a cavity is formed between the foundation and the lens; a chip disposed in the cavity, wherein an anode of the chip is electrically connected to the first metal layer and a cathode of the chip is electrically connected to the second metal layer; and a fluid encapsulate, wherein the cavity is fully or partially filled with the fluid encapsulate.

Abstract: A DUV light source module includes a print circuit board, an array of DUV light-emitting diodes (LEDs), a plurality of DUV LED drivers for driving the DUV light-emitting diodes, and a pair of electrical connectors for connecting the DUV LED drivers hence the DUV light-emitting diodes to a power source, and A DUV light source device includes the DUV light source module, a reflector, a heat sink, a heat pipe, a radiator and a fan.

Abstract: Provided is a lock mechanism, wherein the lock mechanism includes a lock base, the lock base is provided with an opening and a cavity extending from the opening, the opening is used for the lock shaft mounted to the battery pack to enter the cavity, the lock mechanism further includes: a lock assembly, the lock assembly is connected to one side of the lock base opposite the lock shaft, the lock assembly is moveable relative to the lock base, and the side of the lock base opposite the lock shaft extends into the cavity or exits the cavity; wherein, the lock assembly is capable of preventing the lock shaft from exiting the cavity from the opening when the lock assembly extends into the cavity; the lock assembly is capable of allowing the lock shaft to exit the cavity from the opening when the lock assembly exits the cavity.

Abstract: An air disinfection device includes: a housing that includes an inlet port for taking air therethrough and a disinfection chamber that has a shell in a shape of a truncated ellipsoid. The device also includes: a disinfection head that is disposed in the inlet port and includes a light source for generating disinfection light that disinfects the air in the disinfection chamber, where the light source is located substantially on a plane where a first focal point of the truncated ellipsoid is located. The disinfection head further includes a fan for taking the air through the inlet port to the disinfection chamber and a filter for filtering the air. The device further includes a power source electrically coupled to the disinfection head and configured to provide electrical power for the disinfection head.