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Air tightness detection system

A technology of air tightness detection and air tightness detection, which is applied in the direction of fluid tightness test, liquid tightness measurement using liquid/vacuum degree, measuring device, etc. It can solve problems such as difficult cleaning, achieve automatic improvement, and clear judgment Effect

Pending Publication Date: 2018-03-16
重庆赛格尔汽车配件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, the corrugated pipe needs to be cleaned after adopting the "color difference method", and the dyeing solution is easy to remain in the crest of the corrugated pipe, which is not easy to clean

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment 1

[0037] An airtightness detection joint provided in this embodiment has a structure as shown in the figure.

[0038] Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top "Face", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

[0039] The leak-tight test connector, including,

[0040] Inflatable pipe 212, one end is used to insert into the seam 11 of the bellows, and the other end is connected to the blower;

[0041] Inflatable ports are distributed on the tube body where the inflatable tube 212 is inserted into the mouth 11;

[0042] The check valve 214 is located on the inflation port, allowing airflow to enter the bellows from the inflation pipe 212, and preventing the airflow from enteri...

Embodiment 2

[0053] An air tightness detection joint, the difference from Embodiment 1 is that the guide surface 2124 extends around and forms a retaining edge 2125 that blocks the non-return valve 214 .

Embodiment 3

[0055] An airtightness detection platform, comprising the airtightness detection joint of embodiment 1 or embodiment 2.

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Abstract

The invention discloses an air tightness detection system and relates to the technical field of bellows air tightness detection. The air tightness detection system includes an air tightness detectiontable, an inflating module, a pressure detection module, a processor, a comparison module and a terminal. According to the scheme, certain pressure intensity is formed in a bellows by filling the bellows with gas, and pressure intensity changes in the bellows are measured through a sensor after the inflation is stopped, to judge whether the bellows leaks air. Besides, a change value delta P is preset through the system, so that a product is automatically judged to be an unqualified product when a value exceeds delta P. The bellows is not polluted in the detection process, the automation degreein the detection process is higher, human input is saved, and the detection speed is quickened.

Description

technical field [0001] The invention relates to the field of bellows airtightness detection, in particular to an airtightness detection system. Background technique [0002] Bellows are commonly used elastic elements. Such as figure 1 As shown, the entire pipe body is composed of several crests 12 connected end to end, and notches 11 are respectively provided at both ends of the corrugated pipe 1 in the length direction. The seam 11 is used to connect with other components. [0003] The corrugated pipe 1 is usually used for the transportation of fluids. Therefore, after the corrugated pipe 1 is actually produced, it is necessary to perform an airtightness test on the corrugated pipe 1 . Qualified products that pass the test can be sold and used. [0004] The airtightness test of bellows often adopts "color difference method". [0005] The specific steps of the color difference method are as follows: [0006] First, the staff seals one end of the corrugated pipe to be t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/28
CPCG01M3/2815
Inventor 刘梅
Owner 重庆赛格尔汽车配件有限公司
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