Abstract: A plug, an electrical connector and a terminal device are provided. The plug is used for connecting to the terminal device related to a vehicle battery. One end of the plug can adapt to an output port of the terminal device, and the other end of the plug can be connected to the vehicle battery through wires, so that the terminal device can detect or perform charging and discharging operations on the vehicle battery. The plug includes an insulating housing, a first terminal arranged in the insulating housing, and at least a pair of second terminals arranged in the insulating housing. Each pair of second terminals being distributed in central symmetry with the first terminal as the center, and the polarity of the first terminal is the opposite of the polarity of the second terminals.

Abstract: A clamping device is provided by embodiments of the present disclosure. The clamping device includes: a rotating assembly including a rotating plate and a connecting rod, where the connecting rod is rotatably connected to a clamping assembly and the rotating plate, respectively, and the rotating plate is provided with a stroke curve protrusion; and an engagement assembly including a ratchet wheel and a ratchet component, where the ratchet component always abuts against the stroke curve protrusion so as to adjust an engagement position of the ratchet component and the ratchet wheel.

Abstract: A vehicle measurement device includes a base module, a column module, a cross beam module, and a camera assembly. The column module includes a fixed column, a movable column assembly, and a drive assembly. The fixed column is connected to the base module. The movable column assembly is mounted on the fixed column. The movable column assembly is connected to the drive assembly. The drive assembly is used for driving the movable column assembly to lift or lower relative to the fixed column. The cross beam module is supported by the movable column assembly. The cross beam module is used for supporting a calibration element. The camera assembly is mounted on the cross beam module. The camera assembly is used for capturing wheel information of a vehicle. By means of the structure, the vehicle measurement device can not only calibrate an ADAS, but also perform four-wheel positioning.

Abstract: The tire pressure sensor includes: a housing, a fixed base being provided in the housing; the fixed base being provided with an accommodation recess having an upward opening; a vent hole penetrated to the exterior of the housing being provided on the bottom wall of the accommodation recess; a circuit board fixed in the housing and being provided with a tire pressure detection chip an elastic sealing member located between the bottom wall of the accommodation recess and the tire pressure detection chip, and being used for sealing a gap between the bottom wall of the accommodation recess and the tire pressure detection chip, and the elastic sealing member being provided with a communication hole communicated with the detection hole and the vent hole; and a flexible sealant filled between the accommodation recess and the tire pressure detection chip, and between the accommodation recess and the elastic sealing member.

Abstract: A wheel image acquisition assembly includes a base, a motor assembly and a camera module. One end of the base is for being connected to a support body in a wheel positioning apparatus, and the other end of the base is for being connected to the camera module. The motor assembly is mounted in the base and includes a motor for driving the camera module to rotate around the horizontal axis so as to adjust a pitch angle of the camera module. The camera module is used for acquiring image of wheels so as to determine the position of the wheels relative to a vehicle. The wheel image acquisition assembly can drive the camera module to rotate by means of the motor, so as to adjust the visual field range of the camera module, which is more flexible, and facilitates wheel alignment positioning in a complex environment.

Abstract: A plug, an electrical connector and a terminal device are provided. The plug is used for connecting to the terminal device related to a vehicle battery. One end of the plug can adapt to an output port of the terminal device, and the other end of the plug can be connected to the vehicle battery through wires, so that the terminal device can detect or perform charging and discharging operations on the vehicle battery. The plug includes an insulating housing, a first terminal arranged in the insulating housing, and at least a pair of second terminals arranged in the insulating housing. Each pair of second terminals being distributed in central symmetry with the first terminal as the center, and the polarity of the first terminal is the opposite of the polarity of the second terminals.