Automobile active braking control circuit
A control circuit and active braking technology, applied in the direction of brakes, brake transmission devices, circuits or fluid pipelines, etc., can solve problems such as control failure, emergency braking, brake failure, etc., to ensure reliability and stability.
Active Publication Date: 2018-11-06
明见(厦门)技术有限公司
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Problems solved by technology
[0003] The general active braking is to control the on-off of the proportional solenoid valve or the opening size of the air circuit through the high-side or low-side switch. In the case of serious electromagnetic interference on the car, such unilateral control will cause control failure. Hidden danger
If there is an interference signal that triggers the high-side switch, the driving car will brake urgently; or due to the open-loop control, it is impossible to judge whether the proportional solenoid valve is working normally, but the brake fails during active braking, which will cause very serious consequences
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[0024] To further illustrate the various embodiments, the present invention is provided with accompanying drawings. These drawings are a part of the disclosure of the present invention, which are mainly used to illustrate the embodiments, and can be combined with related descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should understand other possible implementations and advantages of the present invention. Components in the figures are not drawn to scale, and similar component symbols are generally used to denote similar components.
[0025] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.
[0026] The circuit structure of the automobile active braking control circuit of the present invention:
[0027] Such as figure 1 and figure 2 As shown, the automobile active braking control circuit of the present i...
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The invention discloses an automobile active braking control circuit, which comprises a single chip microcomputer, a proportional electromagnetic valve, a low edge switch, a high edge control circuit,a high edge switch, a low edge feedback circuit and a high edge feedback circuit, wherein the single chip microcomputer controls the low edge switch and the high edge switch through a closed loop control mode; the control on the proportional electromagnetic valve is realized. The automobile active braking control circuit has the advantages that through the combined control on the high edge switchand the low edge switch, the control failure is avoided; the reliability and the stability of the proportional electromagnetic valve control are ensured.
Description
technical field [0001] The invention relates to the field of automobile brake control circuits, in particular to an automobile active brake control circuit. Background technique [0002] In the AEBS (Advanced Emergency Braking System) of commercial vehicles, the active braking of commercial vehicles will be involved. How to make active braking safer and more reliable requires a stable and reliable control circuit to ensure. Generally, in active braking, the control of the solenoid valve is involved. The on-off of the brake air circuit is controlled by controlling the solenoid valve, and the solenoid valve includes two types: proportional solenoid valve and switching solenoid valve. [0003] The general active braking is to control the on-off of the proportional solenoid valve or the opening size of the air circuit through the high-side or low-side switch. In the case of serious electromagnetic interference on the car, such unilateral control will cause control failure. Hidd...
Claims
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IPC IPC(8): B60T13/68B60R16/023
CPCB60R16/023B60T13/683
Inventor 林文畅王治家叶德焰叶志聪任赋
Owner 明见(厦门)技术有限公司