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Electromagnetic valve for pneumatic brake-by-wire system, and using method thereof

A brake-by-wire and solenoid valve technology, applied in the field of solenoid valves, can solve problems such as complex pipelines, delayed response, long braking time, etc., and achieve the effect of simple control logic, easy production, and less error-prone

Active Publication Date: 2020-07-03
宁波辛玛迪自动化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above-mentioned technical problems, the present invention integrates the ABS solenoid valve and the proportional solenoid valve, which solves the problems of long braking time, lagging response, and complicated pipelines in the existing braking system, and makes the car lighter and saves installation. space

Method used

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  • Electromagnetic valve for pneumatic brake-by-wire system, and using method thereof

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments.

[0030] Such as figure 1 As shown, a solenoid valve for a pneumatic brake-by-wire system includes an ABS solenoid valve 1, a proportional solenoid valve 2, a piston 10, a control port 100, an air inlet 200, an air outlet 400, an exhaust port 500 and a control air Road 101, intake air passage 201, gas storage chamber 301, piston chamber, outlet air passage 401 and exhaust air passage 501. ABS solenoid valve 1 and proportional solenoid valve 2 are arranged parallel to the central axis, the central axis of piston 10 is perpendicular to the proportional...

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Abstract

The invention discloses an electromagnetic valve for a pneumatic brake-by-wire system. The electromagnetic valve comprises a valve body, a proportional electromagnetic valve, an ABS electromagnetic valve, a control port, an air inlet, an air outlet and an exhaust port. The proportional electromagnetic valve is parallel to the ABS electromagnetic valve in the central axis, and fixed to the two sides of the internal axis of the valve body through valve seats, and a first sliding cavity, a second sliding cavity, a first valve chamber, a second valve chamber, an elastic assembly, a control air channel, an air inlet channel, an air outlet channel, an air storage chamber, a piston chamber and an air outlet channel are arranged in the valve body. The invention further provides a using method of the electromagnetic valve for the pneumatic brake-by-wire system. The ABS electromagnetic valve and the proportional electromagnetic valve are integrated, the problems of long braking time, reaction lag and complex pipelines are solved, an automobile is lighter, and the installation space is saved.

Description

technical field [0001] The invention relates to the technical field of automobile brake accessories, in particular to a solenoid valve used in a pneumatic brake system by wire and a method for using the same. Background technique [0002] With the development of automobile technology and the continuous improvement of vehicle speed, people have higher and higher requirements for the safety, comfort and reliability of the vehicle braking system. Due to the long brake pipeline, many valve components, complex control system and gas compressibility of the pneumatic brake system, the brake response is slow and easy to cause brake hysteresis, resulting in long braking distance, reduced safety, and affect braking comfort. [0003] The electronic brake system EBS is a new generation of electronic brake system developed on the basis of the brake anti-lock brake system ABS. With its shorter brake response time, better brake stability and ease of maintenance, etc. Advantages, most car...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T15/02
CPCB60T15/027
Inventor 李大龙李良机丁继东田子扬曹沥壬杨远帆
Owner 宁波辛玛迪自动化科技有限公司
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