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A vehicle braking detection system

A detection system and vehicle braking technology, which is applied in the field of vehicle detection, can solve the problems of inability to simulate dynamic axle load transfer and low compliance, and achieve the effect of accurate braking force and guaranteed safety

Active Publication Date: 2021-04-13
FAW JIEFANG AUTOMOTIVE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned roller reaction braking detection is a static detection method, which has a low degree of conformity with the actual motion engineering of the vehicle, and cannot simulate the dynamic axle load transfer during actual braking.

Method used

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  • A vehicle braking detection system
  • A vehicle braking detection system
  • A vehicle braking detection system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Please refer to figure 2 , the vehicle brake detection system in this embodiment includes a gas valve module 1, a switch module 2 and a detection module. Wherein, the air valve module 1 includes a first valve body 11 and a second valve body 12 . One end of the first valve body 11 communicates with the gas storage tank 4 , and the other end of the first valve body 11 communicates with the second valve body 12 for transferring the gas in the gas storage tank 4 to the second valve body 12 . The switch module 2 is electrically connected to the first valve body, and is used to control the conduction or closure of the first valve body 11. When the first valve body 11 is on, the gas in the gas storage tank 4 can be transmitted to the second Two valve bodies 12. When the first valve body 11 is closed, the gas in the air reservoir 4 cannot be transmitted to the second valve body 12 through the first valve body 11 .

[0049] The second valve body 12 has a plurality of ports f...

Embodiment 2

[0070] The vehicle braking detection system in this embodiment includes an air valve module 1 , a switch module 2 and a detection module. Wherein, the structures of the switch module 2 and the detection module are the same as those of the switch module 2 and the detection module in the first embodiment, and will not be repeated in this embodiment. The air valve module 1 in this embodiment is different from the air valve module 1 in the first embodiment. The air valve module 1 in this embodiment not only includes a first valve body 11 and a second valve body 12 , but also includes a third valve body 13 connected in series between the first valve body 11 and the second valve body 12 .

[0071] Specifically, please refer to Figure 5 , the first port of the third valve body 13 communicates with the other end of the first valve body 11 , and the second port of the third valve body 13 communicates with the control port of the second valve body 12 . The third valve body 13 is used...

Embodiment 3

[0076] The vehicle braking detection system in this embodiment includes an air valve module 1 , a switch module 2 and a detection module. Wherein, the structures of the switch module 2 and the detection module are the same as those of the switch module 2 and the detection module in the first embodiment, and will not be repeated in this embodiment. The air valve module 1 in this embodiment is different from the air valve module 1 in the first embodiment. Specifically, the air valve module 1 in this embodiment only includes the first valve body 11, but does not include the second valve body.

[0077] Specifically, please refer to Image 6 The first valve body 11 is electrically connected to the switch module 2, and one end of the first valve body 11 communicates with the air reservoir 4, and the other end of the first valve body 11 communicates with the ABS solenoid valve 5 on the vehicle side.

[0078] When it is necessary to detect the braking performance of the vehicle, the...

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Abstract

The invention discloses a vehicle braking detection system, which belongs to the technical field of vehicle detection, and comprises an air valve module, one end of which communicates with the air reservoir of the vehicle, and the other end communicates with the ABS electromagnetic valve of the vehicle's anti-lock braking system. When the module is turned on, the gas in the air storage tank can be transmitted to the ABS solenoid valve; the switch module is electrically connected to the air valve module and used to control the conduction or closure of the air valve module; the detection module is connected to the brake of the vehicle for When the air valve module is turned on, the braking force of the brake of the vehicle is detected. By connecting the vehicle braking detection system to the vehicle, the braking force of the vehicle's brake can be dynamically detected, so that the braking force detected by the vehicle braking detection system is more accurate and more in line with the actual situation, thus ensuring the safety of the vehicle .

Description

technical field [0001] The invention relates to the technical field of vehicle detection, in particular to a vehicle braking detection system. Background technique [0002] Automobile braking performance directly affects the safety of automobile driving, therefore, the detection of automobile braking performance is of great significance. [0003] In the prior art, the braking performance of automobiles is usually tested by building a test bench, such as a roller reaction force type, a roller inertial type, or a flat plate type. Among them, the roller reaction brake test bench is the most commonly used test bench for testing the braking performance of automobiles at home and abroad. When using this test bench for testing, the wheels of the car to be tested are first placed in the drum, and then the driver steps on the brake pedal to make the wheels of the car in a braking state and generate friction with the drum. According to the induction device arranged in the drum, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T17/22
CPCB60T17/22
Inventor 刘明明陈宇超高枫田博万里恩张军郭冬妮李林润曲健刚
Owner FAW JIEFANG AUTOMOTIVE CO
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