EVE Energy Patente

The application provides a battery pack, which includes at least one battery module (1), an integrated busbar (2) and a first liquid cooling plate (3). The battery module (1) includes a plurality of batteries (11), and the output terminals (110) of the plurality of batteries (11) are located on a same side of the battery module (1). The integrated busbar (2) includes at least one connector (211) connecting the output terminals (110) of two adjacent batteries (11) in the battery module (1). The first liquid cooling plate (3) is arranged on a side of the connector (211) away from the battery module (1). A first liquid cooling channel (31) is arranged in the first liquid cooling plate (2), and the first liquid cooling channel (31) is arranged opposite to the connector (211).

Disclosed in the present disclosure is a battery assembly, including: a battery row unit (1) having a plurality of arranged battery cells; a heat exchange element (2) extending along a first direction, where the first direction is an arrangement direction of the plurality of battery cells (11), and the heat exchange element (2) is configured to cool each battery cell (11); and a heating element (3) mounted on the heat exchange element (2), in close contact with each battery cell (11) and configured to heat each battery cell (11). Meanwhile, further disclosed is a battery pack using the battery assembly, which achieves the purpose of quickly adjusting the battery cells (11) within an optimal temperature range on the premise of a simplified structure.

Provided is a battery pack including: a case, cell modules, first electrical connection member(s), and a second electrical connection member (s). The case includes a receiving cavity, and first opening(s) and second opening(s) in communication with the receiving cavity. The cell modules are stacked in the receiving cavity; each cell module includes a first electrical connection end and a second electrical connection end disposed opposite to each other. The first electrical connection member is connected to first electrical connection ends of two adjacent cell modules. A portion of the first electrical connection member connected to the first electrical connection ends is exposed through the first opening. The second electrical connection member is connected to second electrical connection ends of two adjacent cell modules. A part of the second electrical connection member connected to the second electrical connection ends is exposed through the second opening.

The present disclosure provides a cover plate assembly, a micro battery, and a capsule endoscope. The cover plate assembly includes a cover plate, an electrode post structure, and a sealing ring. The cover plate is configured to cover and seal the opening and in sealed cooperation with a side wall of the opening, thereby forming a seal between the cover plate and the housing. An outer peripheral side wall of the electrode post structure defines a sealing ring accommodation groove. The sealing ring is disposed on the outer peripheral side wall of the electrode post structure and accommodated within the sealing ring accommodation groove; the sealing ring is in sealed cooperation with the sealing ring accommodation groove, thereby enhancing the sealing performance between the sealing ring and the electrode post structure.

A battery pack includes a housing (1) and a BDU (2). A battery module and an expansion beam (11) are disposed in the housing (1). The battery module includes multiple cells (3) arranged along the first direction. At each of the two ends of the battery module along the first direction, one expansion beam (11) is attached. The expansion beam (11) is configured to generate elastic deformation along the first direction at least when the multiple cells (3) expand. The BDU (2) is located between the expansion beam (11) and the housing (1). The BDU (2) includes a fixing bracket (21), a BDU body (22), and a fastener (23). The fixing bracket (21) is fixedly connected to the expansion beam (11). The BDU body (22) is provided with a sliding portion. The fastener (23) is fixedly connected to the fixing bracket (21) and slidably disposed on the sliding portion along the first direction.

A top cover assembly, a battery cell, and a battery pack are provided in this application. The top cover assembly includes a cover plate, a terminal plate, and a sealant. A through hole is formed through the cover plate. The through hole is configured to be in communication with an interior of the battery cell. The terminal plate is installed on the cover plate and covers the through hole. A first overflow groove is formed in the terminal plate at a position corresponding to the through hole, and a groove opening of the first overflow groove faces the through hole. The sealant is interposed between the cover plate and the terminal plate, and the sealant is partially filled into the first overflow groove.

A method for processing an event message in an in-vehicle network is provided. The method includes: acquiring (101) a plurality of event message signals associated with the event message, each event message signal carried in a separate frame; determining (102) whether the event message is valid based on an accumulation rate of the number of valid signals within the plurality of event message signals; and executing (103) logic corresponding to the event message in response to determining that the event message is valid.

A battery box and a battery pack, wherein the battery box comprises a box body (10) having a frame and a bottom plate (12), wherein the frame and the bottom plate (12) are enclosed to form an accommodating cavity (11), and the accommodating cavity (11) is used for accommodating cells (20); a bracket (30) disposed in the accommodating cavity (11), the bracket (30) is used for bearing the cells; and a supporting member for supporting the bracket (30), so as to form a pressure relief space (13) between the bracket (30) and the bottom plate (12).

A current detection circuit (1) and a current detection method are provided. The current detection circuit (1) comprises a current conversion module (10), a logic processing module (20), and a high-side driver module (30). The current conversion module (10) is configured to convert an analog signal corresponding to the target current of a target battery cell into a target current digital quantity. The logic processing module (20) is connected to the current conversion module (10) and configured to output a target signal to the high-side driver module (30) based on a comparison detection result between a preset threshold value and the target current digital quantity. The high-side driver module (30) is connected to the logic processing module (20) and configured to determine whether to cut off an external power supply based on the target signal.

A case of a battery pack, a battery pack, and a vehicle are provided. The case of the battery pack includes a side beam and a mounting block. A side wall of the side beam is provided with a mounting groove. At least a part of the mounting block being accommodated within the mounting groove. The mounting block is fixedly connected to the side beam, and is configured to be connected to an external device.

A voltage detection circuit (1) and a voltage detection method are provided. The voltage detection circuit (1) includes a voltage conversion module (10), a logic processing module (20), and a high-side driver module (30). The voltage conversion module (10) is configured to convert an analog signal corresponding to a target voltage of a target battery cell into a target voltage digital quantity. The logic processing module (20) is connected to the voltage conversion module (10) and configured to output a target signal to the high-side driver module (30) based on a comparison detection result between a preset threshold and the target voltage digital quantity. The high-side driver module (30) is connected to the logic processing module (20) and configured to determine whether to cut off an external power supply based on the target signal.

A beam structure, being configured for a battery pack, comprising an expansion-resistant beam (310), a first side of the expansion-resistant beam (310) being configured to abut against a battery cell of the battery pack; and a frame beam (320) being connected to a second side of the expansion-resistant beam (310), the frame beam (320) being located at a outermost side of a box body of the battery pack to serve as a side frame of the box body; wherein the expansion-resistant beam (310) and the frame beam (320) are integrally arranged.

The application discloses a power limiting method for a power battery, including steps of: acquiring a real-time voltage of the power battery during charging and discharging processes of the power battery; performing a current limiting operation on the power battery when the real-time voltage exceeds a voltage allowable range, wherein an upper limit of the allowable voltage range is less than a high voltage protection threshold of the power battery, and a lower limit of the allowable voltage range is greater than a low voltage protection threshold of the power battery; ceasing the current limiting operation after the real-time voltage recovers to be in a voltage recovery range, wherein the voltage recovery range is within the voltage allowable range and is smaller than the voltage allowable range.

The present application provides a protective plate, a battery box, a battery module, and a battery pack. The protective plate includes a first protective layer, a reinforcement layer, a buffer layer, and a second protective layer stacked along a first direction. The reinforcement layer and the buffer layer are stacked between the first protective layer and the second protective layer. The buffer layer includes multiple first buffer grooves and multiple second buffer grooves, the multiple first buffer grooves and the second buffer grooves are arranged on two opposite sides of the buffer layer, and the multiple first buffer grooves and the multiple second buffer grooves are distributed in a staggered manner.

An immersion liquid cooling box and a battery pack are provided in this application. The immersion liquid cooling box includes a box body. An immersion chamber for placing battery cells are formed in the box body. A liquid inlet and a liquid outlet of the immersion chamber are formed on an outer surface of the box body. The liquid inlet and the liquid outlet are formed on two opposite sides of the box body in a width direction.

Provided are a battery pack explosion-proof structure, a battery pack, and an electric vehicle. The battery pack explosion-proof structure includes a bottom cover plate (10) and an explosion-proof valve (20). The bottom cover plate (10) includes a cover plate body (11) and an exhaust pipe (12) that are integrally formed. The exhaust pipe (12) is disposed on a side of the cover plate body (11) and extends in a direction away from the cover plate body (11). The gas inlet (121) of the exhaust pipe (12) is opened in the cover plate body (11). The explosion-proof valve (20) is connected to a side of the cover plate body (11) away from the exhaust pipe (12). A valve port (21211) of the explosion-proof valve (20) is directly opposite to the gas inlet (121) or is connected into the exhaust pipe (12).

An information acquisition assembly (4) includes a circuit board and a conductive bar. The circuit board includes a circuit board body (1) and a plurality of circuit board branches (2). The conductive bar includes a plurality of conductive components (3). At least one of the circuit board branches (2) is electrically connected between the circuit board body (1) and one of the conductive components(3), and is separate from the circuit board body (1) and the one of the conductive components (3).

A battery housing (100) and a battery pack are disclosed. The battery housing (100) includes a main body (10), a cover (20), and a shell cover assembly (30). The main body (10) defines a battery compartment receiving battery units (300) of the battery pack. The cover (20) is connected to the main body (10) and seals the battery compartment. The shell cover assembly (30) is connected to a side of the cover (20) opposite the battery compartment and forms an electrical compartment (301) receiving electrical units (200) of the battery pack. The cover (20) includes an opening (201) corresponding to the electrical compartment (301), the opening (201) communicates the battery compartment and the electrical compartment (301). The battery units (300) are arranged along the length and width directions of the battery housing (100), while the electrical units (200) and the battery units (300) are arranged along the thickness direction of the battery housing (100).

A battery pack is provided. The battery pack includes a housing (1), a battery cell group (2), and a plurality of reinforcing plates (3). Each of the plurality of reinforcing plates (3) includes a foam adhesive layer and a fiberglass cloth layer. The foam adhesive layer encapsulates the fiberglass cloth layer. The battery cell group (2) is arranged in the housing (1). Each of two side walls of the battery cell group (2) along a length direction of the battery cell group (2) is arranged with a corresponding one of the plurality of reinforcing plates (3). The foam adhesive layer is attached to a corresponding one of the two side walls of the battery cell group (2).

A semi-solid battery electrolyte precursor, a semi-solid battery electrolyte, a semi-solid battery, and a preparation method of the semi-solid battery are provided. The semi-solid battery electrolyte precursor includes a first polymer monomer, a second polymer monomer, and an initiator. The first polymer monomer is an acrylic acid monomer or an acrylate monomer. The second polymer monomer is a fluorine-containing unsaturated monomer.

The present application discloses a connecting terminal for acquisition wire harness, a battery module, and a power-consuming device. The connecting terminal for acquisition wire harness includes an intermediate connecting portion, a wire harness connecting portion, and a busbar connecting portion. The intermediate connecting portion is fixedly connected to the wire harness connecting portion and the busbar connecting portion. The wire harness connecting portion and the acquisition wire harness are pressed and fixed. The busbar connecting portion is clampable to an accommodating portion preset on a busbar.

A battery case and a battery pack are provided. The battery case includes a top cover, a case body, and a pressing frame. The case body and the top cover cooperatively define an accommodating space configured to accommodate a battery module. The pressing frame is connected to the case body. At least a portion of the pressing frame abuts against a top portion of the battery module and presses the battery module toward a bottom portion of the case body.

The present disclosure provides a battery module. The battery module includes a plurality of battery cells and an exhaust structure. The extension portions of the exhaust structure are provided to be fixedly connected with the plurality of busbars. By connecting the extension portions to the busbars, the exhaust structure is fixed on the top of the battery cells. The exhaust structure is integrally mounted on top of the battery cells, resulting in a structurally stable battery module. Meanwhile, mutual clearance between the busbars and the exhaust structure is avoided, facilitating subsequent connections between the busbars and the negative and positive electrodes, as well as facilitating subsequent sealing connection of the exhaust structure to the explosion-proof valves.

The present application provides a battery thermal runaway warning method and apparatus, an electronic device and a storage medium. With the method, electrical performance data sequences of a battery to be detected are obtained, filtering and detection processing is performed on the electrical performance data sequences to obtain filtered electrical performance data, it is determined whether the battery meets a preset alarm condition based on the filtered electrical performance data, and a warning signal is output when the battery meets the preset alarm condition, thereby improving the accuracy and effectiveness of the warning of thermal runaway of the battery.

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Disclosed in the present application is a liquid cooling assembly and a battery pack, including: a liquid cooling plate, including at least one first liquid cooling module and at least one second liquid cooling module, both the first liquid cooling module and the second liquid cooling module including a plurality of connected liquid cooling channel in parallel; the liquid cooling plate is provided with an inlet and an outlet, the first liquid cooling module being provided on a side close to the inlet and the outlet, the second liquid cooling module being provided on a side away from the inlet and the outlet; the inlet is in communication with the first liquid cooling module and the second liquid cooling module, and the second liquid cooling module is in communication with the outlet; and a coolant flowing rate within the liquid cooling channel of the first liquid cooling module is greater than a coolant flowing rate within the liquid cooling channel of the second liquid cooling module.

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