Vehicle proportion relay valve detection device and method

A proportional relay valve and detection device technology, which is applied in the direction of measuring device, liquid tightness measurement using liquid/vacuum degree, fluid tightness test, etc., to achieve high testing precision, high clamping precision, simple and practical structure Effect

Active Publication Date: 2017-05-24
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, EBS is not widely used in commercial vehicles in China. Only a few domestic manufacturers have equipped EBS for research and development purposes, but these systems are purchased from famous foreign manufacturers.

Method used

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  • Vehicle proportion relay valve detection device and method
  • Vehicle proportion relay valve detection device and method
  • Vehicle proportion relay valve detection device and method

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings.

[0027] refer to figure 1 , figure 2 , a proportional relay valve performance detection device of the present invention, fixed on the stand, including: fixed proportional relay valve top cover D-1, base D-2, three support rods Z-1, Z-2, Z-3; the cylinder tooling V-1 for blocking the air inlet 1 of the proportional relay valve, the cylinder tooling V-2 for blocking the control port 4 of the proportional relay valve, and the cylinder tooling V-2 for blocking the exhaust port 2 of the proportional relay valve Cylinder tooling V-3, each cylinder is equipped with a plug; the intake port of the cylinder is air-intake, so that the plug connected to the cylinder protrudes forward, and the interface of the proportional relay valve is blocked. Each cylinder tooling is provided with a connection port for ventilating into the proportional relay valve, which is used for ventilati...

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Abstract

The present invention discloses a vehicle proportion relay valve detection device. The device is fixed at a test bed, and comprises a top cap D-1 fixing the proportion relay valve, a pedestal D-2, three bracing pieces Z-1, Z-2 and Z-3, a cylinder tool V-1 blocking the air inlet 1 of the proportion relay valve, a cylinder tool V-2 blocking the control port 4-1 of the proportion relay valve and a cylinder tool V-3 blocking the air outlet 2 of the proportion relay valve; each cylinder is provided with an end cap; and air is flown in from the air inlet of the cylinder to extend the end cap forwards connected with the cylinder to block the interface of the proportion relay valve. The present invention further provides a pneumatic circuit of the vehicle proportion relay valve detection device and a vehicle proportion relay valve detection method. The detection device is high in test efficiency and test precision. The fixed component structure is simple and practical and high in clamping precision.

Description

technical field [0001] The invention relates to the field of detection devices for electronically controlled braking systems, in particular to a detection device and a detection method for a proportional relay valve for vehicles. Background technique [0002] It is the abbreviation of Electronically controlled Braking System, that is, electronically controlled braking system. It is a commercial vehicle braking system developed on the basis of the ABS anti-lock braking system in the past ten years. At present, the core technology of EBS is mainly in the hands of foreign large-scale commercial vehicle brake system developers. The proportional relay valve is the control element in EBS, which is used to control the brake pressure of the front axle of the vehicle. The proportional relay valve is the most complicated part of the system, and it is also the core component of the system. Its performance has an extremely important impact on the braking performance of EBS. At present...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/28
CPCG01M3/2876Y02T10/40
Inventor 陆艺卢洁叶绍竹李祥虎郭斌胡晓峰范伟军罗哉
Owner CHINA JILIANG UNIV
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