CN202748203U - Automobile air inlet system component integrated testing apparatus - Google Patents
Automobile air inlet system component integrated testing apparatus Download PDFInfo
- Publication number
- CN202748203U CN202748203U CN 201220442724 CN201220442724U CN202748203U CN 202748203 U CN202748203 U CN 202748203U CN 201220442724 CN201220442724 CN 201220442724 CN 201220442724 U CN201220442724 U CN 201220442724U CN 202748203 U CN202748203 U CN 202748203U
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- negative pressure
- pressure
- connecting line
- air inlet
- regulation assembly
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Abstract
The utility model relates to an automobile air inlet system component integrated testing apparatus, comprising a vacuum pump, a first pressure regulating assembly, an adjustable flowmeter, a negative pressure testing member, a compression air source, a second pressure regulating assembly, a third pressure regulating assembly, an environment box, an air exhaust opening and a connection pipeline which together form a negative pressure leakage testing system, a negative pressure slump testing system and a positive pressure leakage testing system respectively through the connection pipeline, and a control valve arranged on the connection pipeline is used for switching. Compared with the prior art, the automobile air inlet system component integrated testing apparatus has the advantages of being multiple in testing function and good in universal performance, etc.
Description
Technical field
The utility model relates to a kind of auto parts and components proving installation, especially relates to a kind of automobile air inlet system parts comprehensive test device.
Background technology
The parts of automobile air inlet system all have certain performance requirement, such as: anti-negative pressure, anti-positive seal performance, anti-negative pressure subside performance, other performance etc.Parts performance reliability in Guarantee item exploitation or the production run must carry out the checking of properties of product.Possessing measurement (examination) means is important embodiments of company's development ability and procedure quality control, in all properties, negative-pressure sealing, subsiding property of negative pressure, positive seal are common requirements, proving installation is indispensable some, and much more single or can not directly meet the demands existing market can firsthand proving installation function.
The utility model content
The purpose of this utility model is exactly to provide a kind of test function many, universal good automobile air inlet system parts comprehensive test devices for the defective that overcomes above-mentioned prior art existence.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of automobile air inlet system parts comprehensive test device comprises vacuum pump, the first pressure regulation assembly, adjustable flow meter, negative pressure pressure measuring piece, compressed air source, the second pressure regulation assembly, the 3rd pressure regulation assembly, environmental cabinet, exhausr port and connecting line, wherein
Described vacuum pump, the first pressure regulation assembly, adjustable flow meter and negative pressure pressure measuring piece connect to form the negative pressure leakage testing system successively by connecting line, and negative pressure leak-testing spare to be tested is connected with the negative pressure pressure measuring piece;
Described vacuum pump stretches in the environmental cabinet after the pressure regulation assembly connects by connecting line with being connected, and forms the negative pressure test macro that subsides, and the negative pressure to be tested test block that subsides is located in the environmental cabinet, is connected with connecting line in stretching into environmental cabinet;
Described compressed air source, the second pressure regulation assembly, the 3rd pressure regulation assembly, adjustable flow meter and exhausr port connect to form the malleation leakage testing system by connecting line successively, and malleation leak-testing spare to be tested is connected between the 3rd pressure regulation assembly, the adjustable flow meter.
Described negative pressure leakage testing system, negative pressure are subsided and are equipped be used to the operation valve of closing the place connecting line on the connecting line of test macro and malleation leakage testing system.
The connecting line of described malleation leakage testing system is provided with the first operation valve and the second operation valve, described the first operation valve is located between adjustable flow meter and the malleation leak-testing spare to be tested, described the second operation valve is located between adjustable flow meter and the exhausr port, the connecting line of described negative pressure leakage testing system is provided with the 3rd operation valve, the 3rd operation valve is located between negative pressure pressure measuring piece and the adjustable flow meter, the subside connecting line of test macro of described negative pressure is provided with the 4th operation valve, and the 4th operation valve is located at the first pressure regulation assembly and negative pressure to be tested is subsided between the test block.
Described operation valve is ball valve.
Described negative pressure pressure measuring piece is U-shaped piezometric tube or vacuum meter.
Described the first pressure regulation assembly comprises vacuum regulating valve and vacuum meter, and described the second pressure regulation assembly comprises coarse adjustment pressure regulator valve and coarse adjustment tensimeter, and described the 3rd pressure regulation assembly comprises fine setting pressure regulator valve and fine setting tensimeter.
The adjustable flow meter comprises at least two flowmeters that measuring accuracy is different.
Described negative pressure leak-testing spare, the negative pressure all connecting lines by fast plug-in unit access place test macro of test block and malleation leak-testing spare that subside.
The connecting line that stretches in the environmental cabinet is provided with sealing frock, arranges by sealing between sealing frock and the environmental cabinet.
Compared with prior art, the utlity model has following advantage:
1, under the limited condition such as single vacuum pump, U-shaped pipe, vacuum meter, tensimeter, flowmeter, use the composite measurement principle, consist of comprehensive measurement device, single device satisfies the difference in functionality property testing, thereby needn't carry out expensive multiple devices investment, saves cost;
2, the direct sealing property of measurement function working of plastics under negative pressure, and can quantize leakage rate;
3, satisfy under certain temperature by means of the environmental cabinet parts, directly measurement function plastics or rubber-like parts anti-(resisting) under negative pressure the ability of subsiding;
4, can directly measure the one-way conduction performance of retaining valve at certain direct draught, and can quantize conducting (leakage) amount, detect its positive seal performance.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
As shown in Figure 1, a kind of automobile air inlet system parts comprehensive test device, comprise vacuum pump 1, the first pressure regulation assembly 2, adjustable flow meter 3, negative pressure pressure measuring piece 4, compressed air source 5, the second pressure regulation assembly 6, the 3rd pressure regulation assembly 7, environmental cabinet 8, exhausr port 9, connecting line, and be located at the first fast plug-in unit e1, the second fast plug-in unit e2, the 3rd fast plug-in unit e3, the 4th fast plug-in unit e4 that is used for connecting test spare on the connecting line, be used for the first operation valve d1, the second operation valve d2, the 3rd operation valve d3 and the 4th operation valve d4 of control place pipeline.Above-mentioned parts have constituted negative pressure leakage testing system A, malleation leakage testing system B and the negative pressure test macro C that subsides by connecting line, only need by opening or closing certain several operation valve, can the switch test system, realize multiple test.Several operation valves all adopt ball valve, and 3 of adjustable flow meters have comprised two flowmeters that measuring accuracy is different, can switch according to different measuring accuracy.
Negative pressure leakage testing system A is comprised of vacuum pump 1, the first pressure regulation assembly 2, adjustable flow meter 3, the 3rd operation valve d3 and negative pressure pressure measuring piece 4, negative pressure leak-testing spare 10 to be tested is connected with negative pressure pressure measuring piece 4 by the first fast plug-in unit e1, this negative pressure test block 4 can be according to different U-shaped piezometric tube or the vacuum meters of adopting of needed measuring accuracy, when the precision of needs is higher, adopt the U-shaped piezometric tube; Lower or when negative pressure is higher (greater than 10kpa) when the precision of needs, then can adopt vacuum meter.
The negative pressure test macro C that subsides is comprised of vacuum pump 1, the first pressure regulation assembly 2, the 4th operation valve d4 and environmental cabinet 8, vacuum pump 1 be connected after pressure regulation assembly 2 connects by connecting line, stretch in the environmental cabinet 8.This section connecting line is provided with sealing frock, arranges by sealing between sealing frock and the environmental cabinet, and the negative pressure to be tested test block 12 that subsides is located in the environmental cabinet 8, and the connecting line interior with stretching into environmental cabinet 8 by the 4th fast plug-in unit e4 is connected.The 4th operation valve d4 is located at the first pressure regulation assembly 2 and negative pressure to be tested and subsides on the connecting line between the test block 12, is used for pilot piping and opens or closes.And negative pressure leakage testing system A and the negative pressure test macro C that subsides all adopts same the first pressure regulation assembly 2 and vacuum pump 1, the first pressure regulation assembly 2 to comprise for the vacuum regulating valve 21 of regulating vacuum pump 1 pressure and and the vacuum meter 22 that is used for showing the vacuum pump pressure value.
Malleation leakage testing system B is connected to form successively by compressed air source 5, the second pressure regulation assembly 6, the 3rd pressure regulation assembly 7, the first operation valve d1, adjustable flow meter 3 and the second operation valve d2 and exhausr port 9, and malleation leak-testing spare to be tested is connected between the 3rd pressure regulation assembly 7, the adjustable flow meter 3 by the second fast plug-in unit e2 and the 3rd fast plug-in unit e3.The first operation valve d1 and the second operation valve d2 are respectively applied to control the break-make of adjustable flow meter 3 rear and front end connecting lines.The second pressure regulation assembly 6 is mainly used in the pressure of compressed air source 5 is carried out coarse adjustment, comprises that coarse adjustment pressure regulator valve 61 and coarse adjustment tensimeter 62, the three pressure regulation assemblies 7 are used for the gas after coarse adjustment is finely tuned, and comprise fine setting pressure regulator valve 71 and fine setting tensimeter 72.
This device to the detailed process that test block carries out several tests is:
1, negative pressure leak-testing
With encapsulation process such as all air inlet/outlets of test block (air cleaner), water seepage holes, only stay a vacuum-pumping tube to be connected with the first fast plug-in unit e1 of this device, close the first operation valve d1, the second operation valve d2, the 4th operation valve d4, open the 3rd operation valve d3, so that comprehensive test device is in the state of negative pressure leakage testing system.Start vacuum pump, regulate vacuum pressure with vacuum regulating valve, select corresponding flowmeter and regulate pressure, when the pressure difference of U-shaped piezometric tube reached requirement, the reading of adjustable flow meter was the measured value of test block.
2, the negative pressure test of subsiding
Test block (air inlet is totally managed) is put into environmental cabinet, by the 4th fast plug-in unit e4 access connecting line, according to the test condition of setting, change the environmental parameter in the environmental cabinet.After environmental parameter met test condition, the variable valve of adjustable flow meter was closed in the test of subsiding, and the first operation valve d1 opens the 4th operation valve d4, so that vacuum pump directly only is communicated with test block.Start vacuum pump, keep set pressure, observation test part situation of change is carried out the withstand voltage test of subsiding, and perhaps constantly regulates vacuum pump pressure, until test block subsides, carries out the max vacuum voltage-withstand test.
3, malleation leak-testing
The air intake opening of test block (retaining valve) is met the 3rd fast plug-in unit e3, and the gas outlet meets the second fast plug-in unit e2.Select the flowmeter of maximum range by the requirement of the conducting amount of retaining valve, selected flowmeter variable valve is opened in maximum position, open the first operation valve d1, the second operation valve d2, close the 3rd operation valve d3 and the 4th operation valve d4, pressure with 2 pairs of compressed air sources 5 of coarse adjustment pressure regulator valve carries out coarse adjustment, fine setting pressure regulator valve 3 is finely tuned, make pressure be transferred to the requirement of detection, this moment, the reading of flowmeter was the measured value of test block.
If need the detection leakage point to be positioned at that position of test block, the test block that as above connects is placed under water, slowly lifting is by the air pressure of test block gas with fine setting pressure regulator valve 3 by coarse adjustment pressure regulator valve 2, if there is bubble to ooze out, then bubble oozes out and a little is leakage point.When pressure when necessarily requiring, test block is without bubble formation under water, is to meet the demands.
Claims (9)
1. automobile air inlet system parts comprehensive test device, it is characterized in that, comprise vacuum pump, the first pressure regulation assembly, adjustable flow meter, negative pressure pressure measuring piece, compressed air source, the second pressure regulation assembly, the 3rd pressure regulation assembly, environmental cabinet, exhausr port and connecting line, wherein
Described vacuum pump, the first pressure regulation assembly, adjustable flow meter and negative pressure pressure measuring piece connect to form the negative pressure leakage testing system successively by connecting line, and negative pressure leak-testing spare to be tested is connected with the negative pressure pressure measuring piece;
Described vacuum pump stretches in the environmental cabinet after the pressure regulation assembly connects by connecting line with being connected, and forms the negative pressure test macro that subsides, and the negative pressure to be tested test block that subsides is located in the environmental cabinet, is connected with connecting line in stretching into environmental cabinet;
Described compressed air source, the second pressure regulation assembly, the 3rd pressure regulation assembly, adjustable flow meter and exhausr port connect to form the malleation leakage testing system by connecting line successively, and malleation leak-testing spare to be tested is connected between the 3rd pressure regulation assembly, the adjustable flow meter.
2. a kind of automobile air inlet system parts comprehensive test device according to claim 1, it is characterized in that described negative pressure leakage testing system, negative pressure are subsided and be equipped be used to the operation valve of closing the place connecting line on the connecting line of test macro and malleation leakage testing system.
3. a kind of automobile air inlet system parts comprehensive test device according to claim 2, it is characterized in that, the connecting line of described malleation leakage testing system is provided with the first operation valve and the second operation valve, described the first operation valve is located between adjustable flow meter and the malleation leak-testing spare to be tested, described the second operation valve is located between adjustable flow meter and the exhausr port, the connecting line of described negative pressure leakage testing system is provided with the 3rd operation valve, the 3rd operation valve is located between negative pressure pressure measuring piece and the adjustable flow meter, the subside connecting line of test macro of described negative pressure is provided with the 4th operation valve, and the 4th operation valve is located at the first pressure regulation assembly and negative pressure to be tested is subsided between the test block.
4. a kind of automobile air inlet system parts comprehensive test device according to claim 2 is characterized in that described operation valve is ball valve.
5. a kind of automobile air inlet system parts comprehensive test device according to claim 1 is characterized in that described negative pressure pressure measuring piece is U-shaped piezometric tube or vacuum meter.
6. a kind of automobile air inlet system parts comprehensive test device according to claim 1, it is characterized in that, described the first pressure regulation assembly comprises vacuum regulating valve and vacuum meter, described the second pressure regulation assembly comprises coarse adjustment pressure regulator valve and coarse adjustment tensimeter, and described the 3rd pressure regulation assembly comprises fine setting pressure regulator valve and fine setting tensimeter.
7. a kind of automobile air inlet system parts comprehensive test device according to claim 1 is characterized in that the adjustable flow meter comprises at least two flowmeters that measuring accuracy is different.
8. a kind of automobile air inlet system parts comprehensive test device according to claim 1 is characterized in that, described negative pressure leak-testing spare, the negative pressure all connecting lines by fast plug-in unit access place test macro of test block and malleation leak-testing spare that subside.
9. a kind of automobile air inlet system parts comprehensive test device according to claim 1 is characterized in that, the connecting line that stretches in the environmental cabinet is provided with sealing frock, arranges by sealing between sealing frock and the environmental cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442724 CN202748203U (en) | 2012-08-31 | 2012-08-31 | Automobile air inlet system component integrated testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442724 CN202748203U (en) | 2012-08-31 | 2012-08-31 | Automobile air inlet system component integrated testing apparatus |
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| Publication Number | Publication Date |
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| CN202748203U true CN202748203U (en) | 2013-02-20 |
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| CN 201220442724 Expired - Fee Related CN202748203U (en) | 2012-08-31 | 2012-08-31 | Automobile air inlet system component integrated testing apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502038A (en) * | 2014-12-18 | 2015-04-08 | 清华大学 | System and method for measuring air leakage rate of contact interface of sealing element |
| CN107560803A (en) * | 2017-10-11 | 2018-01-09 | 凤城市瑞普增压器制造有限公司 | Booster intermediate body water jacket tiny structure inspection of hermetic seal device |
| CN108827557A (en) * | 2018-07-25 | 2018-11-16 | 苏州佐竹冷热控制技术有限公司 | A kind of compressed air type leakage amount measuring device for electricity |
| CN110441002A (en) * | 2019-06-26 | 2019-11-12 | 安徽瑞佑自动化科技有限公司 | A kind of air tightness detection equipment |
-
2012
- 2012-08-31 CN CN 201220442724 patent/CN202748203U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502038A (en) * | 2014-12-18 | 2015-04-08 | 清华大学 | System and method for measuring air leakage rate of contact interface of sealing element |
| CN104502038B (en) * | 2014-12-18 | 2017-06-13 | 清华大学 | A kind of measuring system and method for seal contact interface released gas rate |
| CN107560803A (en) * | 2017-10-11 | 2018-01-09 | 凤城市瑞普增压器制造有限公司 | Booster intermediate body water jacket tiny structure inspection of hermetic seal device |
| CN108827557A (en) * | 2018-07-25 | 2018-11-16 | 苏州佐竹冷热控制技术有限公司 | A kind of compressed air type leakage amount measuring device for electricity |
| CN110441002A (en) * | 2019-06-26 | 2019-11-12 | 安徽瑞佑自动化科技有限公司 | A kind of air tightness detection equipment |
| CN110441002B (en) * | 2019-06-26 | 2021-04-27 | 安徽瑞佑自动化科技有限公司 | Air tightness detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20150831 |
|
| EXPY | Termination of patent right or utility model |