Automobile brake sense tester
A tester and automobile technology, applied in vehicle testing, machine/structural component testing, instruments, etc., can solve the problems of lack of data communication on the PC end of the host computer, low accuracy of measurement values, inconvenient portability, etc., to achieve convenience Efficient development environment, stable working system, and short response time
Pending Publication Date: 2018-01-12
上海同驭汽车科技有限公司
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Problems solved by technology
[0003] At present, there are not many products with the function of testing brake feeling on the market, and most industries still use the traditional tape measure method to measure the pedal displacement, which has low precision, large error and low work efficiency.
There are also very few automobile companies that specially design measuring instruments for a certain type of vehicle in order to measure relevant data. Often such test instruments are bulky, inconvenient to carry, weak in versatility, cumbersome to use, and do not have the ability to communicate with the PC terminal of the host computer. data communication issues
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[0022] Such as figure 1 , figure 2 As shown, a brake feeling tester, the present invention relates to a brake feel tester, comprising a displacement sensor, a displacement sensor bracket, a pedal force sensor, a pedal force sensor mounting seat, a controller and a main bracket. Wherein, the controller includes a controller shell, a controller main board, an acceleration sensor, a serial port interface, an SD card device, a program download interface, a pedal force sensor interface and a cable displacement sensor interface. The controller board integrates A / D conversion function, serial communication function, SPI communication function and timing interrupt function, etc. interface, pedal force sensor interface, and cable displacement sensor interface are connected. The power interface is connected to the electric port of the special cigarette lighter on the car, the serial port communication module can be connected to the PC, the data can be transmitted to the host computer...
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The invention relates to an automobile brake sense tester which comprises a displacement sensor (1), a pedal force sensor (2), a controller (14) and a main bracket (3). The controller (14) comprises acontroller shell, a controller mainboard (15), an acceleration sensor, a serial port (13), an SD (secure digital) card device (4), a program download port (12) and sensor interfaces (5 and 6); the controller mainboard (15) is connected with the serial port (13), SD card device (4), a power interface (10), a power switch (9), buttons (7 and 8), an indicator light (11) and the sensor interfaces (5and 6); the power interface (10) is connected with an automobile power supply, the serial port (13) is connected with a PC terminal, and the SD card device (4) is used for storing data. Compared withthe prior art, the automobile brake sensor tester has the advantages that brake pedal displacement, pedal force and brake deceleration can be accurately measured, and the automobile brake sense testeris small in size, high in universality, high in measurement accuracy and the like.
Description
technical field [0001] The invention relates to a vehicle testing instrument, in particular to a vehicle braking feeling testing instrument. Background technique [0002] The braking system is a very important part in the automotive field. During the braking process of the vehicle, the braking feeling of the vehicle is fed back to the driver through the brake pedal, which is very important for the driver's subjective feeling and the control of the vehicle. It has important significance and directly affects the active safety of vehicles. Therefore, it is necessary to be able to measure the pressure on the pedal during braking, the displacement of the pedal and the longitudinal braking deceleration produced by the vehicle. In addition, good braking feel is a necessary condition for a good vehicle and an important indicator of vehicle user satisfaction. Therefore, it is a very meaningful research to be able to test the braking feeling from these two aspects. [0003] At pr...
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IPC IPC(8): G01M17/007
Inventor 舒强杨阳袁子佳邓振文潘庆安林广建马跃龙于洋潘光亮何昌华
Owner 上海同驭汽车科技有限公司