Abstract: A temperature control apparatus and a temperature control system include at least one liquid storage device for storing liquid, at least two liquid supply devices, and a controller. Each liquid supply device is connected to the at least one liquid storage device through a first multiport valve to obtain liquid and is connected to a temperature regulating device through a second multiport valve. The controller is configured to control the first multiport valve and the second multiport valve that are connected to the controller to be conducted or not to be conducted. When the first multiport valve and the second multiport valve are conducted, each liquid supply device outputs the obtained liquid to the temperature regulating device. The temperature regulating device regulates a temperature of the liquid injected by each liquid storage device, and then supplies the liquid to at least one battery system.

Abstract: This application discloses a battery cell, a battery, and an electrical device. The battery cell includes: a housing, an electrode assembly, and a current collecting component. The current collecting component includes a body portion and a first turned edge disposed around the body portion. The first turned edge extends away from the electrode assembly from the body portion. The first turned edge is welded to an inner peripheral wall of the housing. By disposing the first turned edge around the body portion and extending the first turned edge away from the electrode assembly from the body portion, the battery cell disclosed herein can increase a distance between a weld joint and the electrode assembly, thereby preventing the electrode assembly from being damaged by heat, and in turn, effectively improving the yield rate of the battery cell.

Abstract: A control circuit for a synchronous rectification switch of a power converter is provided. The synchronous rectification switch and a transformer of the power converter are coupled to a connection node. The control circuit includes a first logic circuit, an integrating circuit, a setting comparator, a logic gate, and a second logic circuit. The first logic circuit provides a detection signal according to a detection voltage on the connection node. The integrating circuit performs an accumulation operation on the integrated voltage value based on the detection signal to generate a setting pulse. The setting comparator provides a comparison signal according to the detection voltage and a first predetermined voltage. The logic gate outputs a setting signal according to the setting pulse and the comparison signal. The second logic circuit continuously provides a turn-on control signal in response to the setting signal. The synchronous rectification switch is turned on in response to the turn-on control signal.

Abstract: A synchronous rectifier device for a power converter is provided. A power converter includes at least one secondary circuit and a transformer. The synchronous rectifier device includes a synchronous rectification circuit and a controller. The synchronous rectification circuit includes a synchronous rectification switch and a current receiving circuit. The synchronous rectification switch is coupled between the secondary circuit and a secondary winding of the transformer. The current receiving circuit provides a current signal based on a current flowing through the synchronous rectification switch. The controller controls the synchronous rectification switch according to the current signal. In a case that the synchronous rectification switch is turned off, when the current signal indicates that a current value of the current is greater than a predetermined value, the controller turns on the synchronous rectification switch.

Abstract: A battery cell includes a housing, an electrode assembly, and a current collector member, where the housing has an electrode lead-out member. The electrode assembly is accommodated in the housing and includes tabs. The current collector member is configured to electrically connect the tabs to the electrode lead-out member, where the current collector member is welded to the electrode lead-out member, the current collector member includes a conductive protective layer, and the conductive protective layer is disposed on a side of the current collector member facing away from the electrode lead-out member.

Abstract: This application discloses a housing assembly, a battery cell and an assembling method thereof, a battery, and an electrical device. The electrical device includes the battery. The battery includes the battery cell. The battery cell includes an electrode assembly and a housing assembly. The housing assembly includes: a housing body with a receptacle, a first housing section disposed at an edge of an opening of the receptacle, and a second housing section disposed at one end of the first housing section, the end being away from the housing body. An inner diameter of the second housing section is greater than an inner diameter of the housing body. The end cap is at least partially accommodated in the second housing section and configured to work together with the housing to package the electrode assembly. The assembling method of the battery cell includes: encasing, end cap engagement, and packaging.

Abstract: The present invention belongs to the technical field of electronic games, and has specifically disclosed a method for controlling a virtual weapon, applied to a client device, including: when the virtual weapon enters an aiming state, displaying a standard front sight state of a front sight of the virtual weapon on the client device, where a center point of the standard front sight state points to a target to be aimed at; and when an attribute of the virtual weapon changes in response to a firing operation, correspondingly change a display state of the front sight on the client device, where the display state includes at least one of the followings: shape of the front sight, color of the front sight, and dynamic changes of the display state. An advantage of the present invention is that gaming experience of a player is further improved.

Abstract: A necking-flanging roller and a necking-flanging mechanism are disclosed. The necking-flanging roller is used to form the necking portion and the flanging portion on the housing, including a roller body; and a limiting portion, arranged along the axial direction of the roller body and oppositely to the roller body, wherein a gap is formed between the roller body and the limiting portion, and the gap is provided for the free end of the flanging portion to insert therein and restricts the free end from bending and deforming. The technical solution provided in the present disclosure can improve the quality of the battery.

Abstract: The present application provides a necking method, a necking apparatus, and a battery manufacturing device. The necking method is used for forming a necked portion on a shell with an open end. The necking method includes: forming an annular groove on the shell, where the annular groove extends in a circumferential direction of the shell; and expanding a width of the annular groove towards the open end to form the necked portion. The technical solution of the present application can effectively reduce deformation of the shell, ensure safety of an electrode assembly, and improve performance stability of a battery cell. Meanwhile, pre-necking the shell effectively reduce a risk of deformation resilience of the shell after the necked portion is formed, thereby improving machining precision and structural stability of the necked portion.

Abstract: A necking and flanging apparatus includes: an inner mold; a necking piece, disposed around the inner mold, where the necking piece is movable along a radial direction of the inner mold, and the necking piece is configured to coordinate with the inner mold to form a necked portion on a housing; and a press-fit piece, disposed around the inner mold, where the press-fit piece is movable along an axial direction of the inner mold, and the press-fit piece is configured to fit the necking piece to press and flatten the flanged portion of the housing.

Abstract: A method for generating a special effect for social networking interaction in a virtual environment of a game is performed by an electronic device. The method includes: displaying an object presentation interface of a target battle of the game when loading a virtual scene corresponding to the target battle, the object presentation interface being used for displaying a plurality of virtual objects participating in the target battle; receiving a special effect generating instruction for a first virtual object of the plurality of virtual objects, the special effect generating instruction being used for instructing to generate a special effect based on the first virtual object, and the first virtual object corresponding to a user of the electronic device triggering the special effect; and generating the special effect identifying the first virtual object in the object presentation interface.

Abstract: A temperature control system. The temperature control system includes a plurality of liquid pipelines and a multi-port valve. The multi-port valve includes a valve body and a valve core. The valve body has a mounting cavity, and the valve core is mounted in the mounting cavity. The valve body includes a body and a block-shaped additional portion, the mounting cavity is located on the body, and the block-shaped additional portion is attached to at least a part of a side wall of the body. The valve body includes a plurality of vias, and each via penetrates the block-shaped additional portion and a corresponding side wall of the body. Each liquid pipeline is configured to communicate with one via, there is a battery pack on at least one liquid pipeline, and the temperature control system is configured to control a temperature of the battery pack.

Abstract: This application relates to a battery module, including a case, a first electrochemical cell layer, a second electrochemical cell layer, a middle separator, and an air supply unit. A main air duct, a first secondary air duct, and a second secondary air duct are disposed in the middle separator. The main air duct penetrates the middle separator. A first ventilation hole and a second ventilation hole are disposed on the case. In this application, by using the middle separator in the battery module, heat dissipation effect of air intake on three sides and air exhaust on one side may be implemented, and a cooling capability for the first electrochemical cell layer and the second electrochemical cell layer may be improved, thereby reducing a temperature difference of the battery module, and improving a service life of the battery module. This application further relates to a transportation means equipped with the battery module.

Abstract: A heat dissipation apparatus includes at least two heating components, at least two fans, and at least two isolation components. Heat dissipation channels are disposed inside the at least two heating components, and a fan is provided in each heat dissipation channel. An isolation component is coupled to an air inlet and/or an air outlet of the heat dissipation channel. The isolation component may isolate an air inlet or air outlet of each heating component from an air inlet or air outlet of another heating component, so as to avoid forming a loop between a heat dissipation channel in which a working fan is located and a heat dissipation channel in which a non-working fan is located.

Abstract: An energy storage system includes N battery racks and at least two temperature control systems. The at least two temperature control systems are configured to control temperatures of the N battery racks. Two different temperature control systems in the at least two temperature control systems are configured to respectively control temperatures of two different battery racks of the battery racks. Different temperature control systems are independently disposed.

Abstract: An energy storage device includes a first cell, a second cell, and an air channel mechanical part. The first cell and the second cell are disposed outside the air channel mechanical part and are sequentially arranged between the air inlet end and the air outlet end, the air channel mechanical part includes a first air channel region and a second air channel region, the first air channel region is disposed correspondingly with the first cell, the second air channel region is disposed correspondingly with the second cell, and a heat dissipation area per unit volume of the second air channel region is greater than a heat dissipation area per unit volume of the first air channel region, to reduce a temperature difference between the second cell and the first cell.

Abstract: In accordance with an embodiment, an energy storage system includes energy storage container that a temperature control system, a battery cluster, and a controller. The controller determines a specified temperature of the temperature control system corresponding to a maximum difference between an available capacity of the battery cluster and a power consumption of the temperature control system as a target temperature. The determination of the specified temperature is based on: a correspondence between the available capacity of the battery cluster and a plurality of different specified temperatures in a specified temperature set of the temperature control system, and a correspondence between the power consumption of the temperature control system and the plurality of different specified temperatures in the specified temperature set of the temperature control system. The temperature control system is configured to adjust a temperature inside the energy storage container to the target temperature.

Abstract: An asymmetric half-bridge converter is provided. The asymmetric half-bridge converter includes a switch circuit, a resonance tank, a current sensor, and a controller. The current sensor senses a waveform of a resonance current flowing through the resonance tank to generate a sensing result. The controller determines the sensing result. When the sensing result indicates that an ending current value of a primary resonance waveform of the resonance current is greater than a predetermined value, the controller performs a first switching operation on the switch circuit. When the sensing result indicates that the ending current value of the primary resonance waveform is less than or equal to the predetermined value, the controller performs a second switching operation on the switch circuit.

Abstract: The present disclosure provides a receiving circuit for adaptive impedance matching and an operating method thereof. The receiving circuit includes: a first amplification module configured to amplify an input signal input from an input end of the first amplification module to generate a first amplified signal; a frequency mixing module, an input end of which is connected to an output end of the first amplification module, and configured to down-convert the first amplified signal to generate a down-converted signal; and a second amplification module, an input end of which is connected to an output end of the frequency mixing module, and configured to amplify the down-converted signal to generate an output signal, wherein the first amplification module includes an active negative feedback structure for providing adaptive impedance matching in a first bandwidth range.

Abstract: Disclosed examples include non-volatile counter systems to generate and store a counter value according to a sensor pulse signal, and power circuits to generate first and second supply voltage signals to power first and second power domain circuits using power from the sensor pulse signal, including a switch connected between first and second power domain supply nodes, a boost circuit, and a control circuit to selectively cause the switch to disconnect the first and second power domain circuits from one another after the first supply voltage signal rises above a threshold voltage in a given pulse of the sensor pulse signal, and to cause the boost circuit to boost the second supply voltage signal after the regulator output is disconnected from the second power domain supply node in the given pulse.