BYD Patente

A primary assembly (1), a linear motor (6), an electromagnetic suspension (7) and a vehicle (8). The primary assembly (1) comprises an iron core (5), a separator (13) and a drain port (172), the iron core (5) is provided with an accommodating chamber (100); the separator (13) is arranged in the accommodating chamber (100), and the separator (13) separates the accommodating chamber (100) along the axial direction of the accommodating chamber (100) to form a first chamber (1001); the drain port (172) is in fluid communication with the first chamber (1001), and the drain port (172) is arranged away from the separator (13); coolant enters the first chamber (1001) via a supply port (172) disposed close to the separator (13), and is discharged out of the accommodating chamber (100) via the drain port (172).

This application relates to the field of vehicle control technologies, and specifically, to a vehicle and a sunroof control method, and a sunroof assembly. The method is applied to a vehicle. A sunroof and a sunshade apparatus configured to obstruct the sunroof are disposed on the top of the vehicle. The method includes: receiving an instruction for enabling the sunroof to be in a starry sky mode; and controlling, according to the instruction, a luminous area of the sunroof and an area of an obstructed region of the sunroof that is obstructed by the sunshade apparatus, where a difference between the luminous area of the sunroof and an area of an unobstructed region of the sunroof that is not obstructed by the sunshade apparatus is less than a preset value.

A brake disc and a preparation method, a brake system, and a vehicle. The brake disc comprises a dense region and a plurality of nanoporous regions distributed at intervals in the dense region, wherein the dense region comprises a carbon fiber reinforced silicon carbide material, and the nanoporous region comprises cracked carbon in a continuous phase and carbon particles distributed in the cracked carbon, wherein the pore size of the nanoporous region ranges from 10 nm to 100 nm, and the porosity ranges from 15% to 30%.

Provided are a door hinge (100) and a vehicle. The door hinge (100) includes: a first mounting seat (1), a first connecting rod (3), a second mounting seat (2), a second connecting rod (4) and a third connecting rod (5), where a first mounting shaft seat (11) and a second mounting shaft seat (12) are disposed on the first mounting seat (1), one end of the first connecting rod (3) is hinged to the first mounting shaft seat (11), the other end of the first connecting rod (3) is hinged to the second mounting seat (2), the second connecting rod (4) is hinged to the second mounting shaft seat (12), one end of the third connecting rod (5) is hinged to the other end of the second connecting rod (4), and the other end of the third connecting rod (5) is hinged to the second mounting seat (12).

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A hybrid drive system (1000) for a vehicle and a vehicle are provided. The hybrid drive system (1000) includes: an electric drive powertrain (200) for driving one of a front axle and a rear axle of the vehicle; and a hybrid powertrain (100) for driving the other of the front axle and the rear axle of the vehicle. The hybrid powertrain (100) and the electric drive powertrain (200) are configured to: control the hybrid powertrain (100) to drive the vehicle, and/or control the electric drive powertrain (200) to drive the vehicle based on a target gear position, where the target gear position includes a first gear position and a second gear position.

A vehicle is provided. The vehicle includes a battery pack. The battery pack includes an underbody protection plate. The underbody protection plate includes an underbody protection plate body. The underbody protection plate body is provided with a liquid discharge channel. At least one channel opening in communication with the outside is formed on the underbody protection plate body. The channel opening is in communication with the liquid discharge channel.

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A lampshade, a lamp assembly, a vehicle-mounted refrigerator, and a vehicle are provided. The lampshade includes a lampshade body. The lampshade body has a first side and a second side that are opposite to each other. The lampshade includes a recessed structure that is recessed toward the first side. The recessed structure includes a transparent portion. The transparent portion may transmit light from a sterilization lamp disposed on the first side outward from the second side.

An insulation detection circuit and method, a battery management system, and a vehicle are provided. The circuit includes: a power supply unit, suitable for providing a first power supply and a second power supply, a supply voltage of the first power supply being different from a supply voltage of the second power supply; a switching unit, suitable for switching the power supply unit to be connected to a positive terminal of a load or a negative terminal of the load; and a voltage detection unit, configured to detect a voltage between the first power supply and a ground terminal, and detect a voltage between the second power supply and the ground terminal. The voltages detected by the voltage detection unit are used to determine insulation resistance. In this way, regardless of whether the power supply unit is connected to the positive terminal or the negative terminal of the load, detection of the insulation resistance at the ground terminal can be implemented.

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An automobile, on which a seat support mounting structure or a battery pack (10) is mounted. The seat support mounting structure comprises the battery pack (10); the battery pack (10) comprises a battery tray (20); a structural beam (22) is provided on the battery tray (20); the structural beam (22) is adapted to divide the battery tray (20) into battery accommodating spaces (21) and an electrical accommodating space (28); the battery accommodating spaces (21) are isolated from the electrical accommodating space (28); each battery accommodating space (21) accommodates one battery module (30); a power distribution box (40a) is accommodated in the electrical accommodating space (28).

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A spacer assembly and a battery are provided. The spacer assembly includes: a first side spacer, provided with a first assembly portion; and a second side spacer, disposed opposite to the first side spacer. The second side spacer is provided with a second assembly portion, the first assembly portion is detachably connected to the second assembly portion, there is a gap between the first side spacer and the second side spacer, and the gap is used to accommodate a tab of a battery. There is a spacing between the first assembly portion and each end portion of the first side spacer, and there is a spacing between the second assembly portion and each end portion of the second side spacer.

Provided are a battery control method, a battery system, a power supply system, an energy storage device, a storage medium, and a chip. The battery control method includes: obtaining a first voltage and a second voltage, where the first voltage is a voltage of a first battery module, the second voltage is a voltage of a second battery module, the first battery module is electrically connected to the second battery module, and the first battery module and the second battery module have different capacities; and controlling an operating mode of a direct current-direct current (DCDC) converter based on a voltage difference between the first voltage and the second voltage, where the DCDC converter is electrically connected to the second battery module, and the DCDC converter is configured to control an input power or an output power of the second battery module.

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