A brake depth detection device with a brake switch and a vehicle
A technology of brake switch and depth detection, applied in the field of detection, can solve problems such as poor contact, open circuit or increased resistance value, and achieve the effect of avoiding poor contact
Active Publication Date: 2022-03-18
BYD SEMICON CO LTD
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Problems solved by technology
[0004] The purpose of the present invention is to provide a brake depth detection device with a brake switch to solve the problems of open circuit or increased resistance value and poor contact in the existing brake depth detection device and brake switch
Method used
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[0026] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0027] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicat...
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The invention provides a brake depth detection device with a brake switch, comprising: a housing, a connecting rod, a magnetic core assembly, a sensor assembly and a brake switch for controlling a brake light, the magnetic core assembly, the sensor assembly and The brake switch is arranged in the casing, the magnetic core assembly is rotatably fixed on the casing, one end of the connecting rod is connected to one end of the magnetic core assembly, the other end of the connecting rod is connected to the brake pedal, and the sensor The assembly is arranged at a position corresponding to the magnetic core assembly, and the brake switch is connected to the magnetic core assembly. When the brake pedal is stepped on, the connecting rod drives the magnetic core assembly to rotate, and the magnetic core assembly controls the brake switch when it rotates. on or off. Through the above method, the inaccurate detection result caused by the influence of temperature, humidity and vibration on the resistance value is avoided; at the same time, the problem of poor contact between the detection device and the brake switch is avoided.
Description
technical field [0001] The invention relates to the detection field, in particular to a brake depth detection device. Background technique [0002] At present, the brake depth detection device on the market adopts the contact principle. The movement of the brake connecting rod will drive the brush to move, and the brush is placed at the resistance sintered on the PCB board, so that the resistance value of the series circuit changes. The corresponding voltage will also change, and the sliding displacement value will form a linear correspondence with the changing voltage value, and the changing amount of the system connecting rod can be reversely calculated through the changing voltage value, so as to know the braking depth. And present brake switch is generally arranged separately from braking depth detecting device. [0003] However, due to the complex working environment of the car, the brake depth detection device may work in harsh environments such as high temperature, h...
Claims
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IPC IPC(8): G01B7/26
CPCG01B7/26
Inventor 刘双陆翠兴唐新颖
Owner BYD SEMICON CO LTD