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Gasoline filter impulse test device

A pulse test and filter technology, which is applied in the direction of measuring device, machine/structural component test, instrument, etc., can solve the problems that the test device cannot truly reflect the working state of the filter and is prone to explosion, and achieves a simple structure, Low cost, cost reduction effect

Inactive Publication Date: 2009-01-14
TIANJIN TIAN YI SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the test device using kerosene to test the filter cannot truly reflect the actual working state of the filter, and the use of gasoline is very prone to explosion due to the participation of electrical signals in the test, and provides a gasoline Filter pulse test device

Method used

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  • Gasoline filter impulse test device
  • Gasoline filter impulse test device
  • Gasoline filter impulse test device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Test content:

[0023] Install the filter on the test bench, pressurize the filter from 98KPa to 490KPa, stop the pressurization to drop it to 98KPa, pressurize it again to 490KPa, and repeat this 4×10 4 time to test its performance.

[0024] working principle:

[0025] Such as figure 1 As shown, the gasoline filter pulse test device provided by the present invention includes a first pressure liquid storage tank controlled by a first air control logic circuit and a second pressure liquid storage tank controlled by a second air control logic circuit. The working medium in the pressure storage tank is firstly pressed into the oil pressure control circuit, and then enters the fuel filter element through the oil pressure bridge circuit and the fifth ball valve, and the working medium flowing out of the filter element passes through the sixth ball valve, throttling After the valve, it is divided into two paths through the high-pressure control air valve H and the low-pres...

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Abstract

The invention relates to gasoline filter pulse testing equipment. It comprises No. 1 pressure liquid storage can controlled by No. 1 pneumatic control circuit and No. 2 pressure liquid storage can controlled by No. 2 pneumatic control circuit, entering into filter element through oil hydraulic bridge circuit and ball valve, pressure aperture controlled by pressure transducer transmitting the electrical control signal to high and low pressure control air valve, allowing the filter element alternately working under two pressures, making the working media returning to No. 2 pressure liquid storage can through the oil hydraulic control circuit. When the No. 1 pressure liquid storage can reach the lowest level, the No. 2 pneumatic logical circuit reversely presses the working media to the oil hydraulic control circuit till the preset testing number. The oil hydraulic system works in sealing status, with stable oil pressure, with simple structure and low cost.

Description

【Technical field】: [0001] The invention relates to the technical field of detection of gasoline filters for automobiles, in particular to a pulse test device for gasoline filters. 【Background technique】: [0002] Usually, in order to be able to reflect the real state of the gasoline filter used in automobiles in practical applications, each filter must provide corresponding parameters for its performance before it actually leaves the factory, such as testing the pulse performance of the gasoline filter, etc. [0003] As gasoline is a flammable and explosive substance, if there is an electrical signal involved in the test, it is very easy to explode and cannot meet the safety standards stipulated by the state. Therefore, in the past test devices, other liquids such as kerosene were used as media. However, this test condition cannot truly reflect the actual working state of the filter. 【Invention content】: [0004] The purpose of the present invention is to solve the proble...

Claims

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Application Information

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IPC IPC(8): G01M19/00F02M37/22G01M99/00
Inventor 刘金林刘强冯利敏
Owner TIANJIN TIAN YI SCI & TECH