CN201207012Y - Detector for airtightness of complete machine - Google Patents
Detector for airtightness of complete machine Download PDFInfo
- Publication number
- CN201207012Y CN201207012Y CNU2008200982679U CN200820098267U CN201207012Y CN 201207012 Y CN201207012 Y CN 201207012Y CN U2008200982679 U CNU2008200982679 U CN U2008200982679U CN 200820098267 U CN200820098267 U CN 200820098267U CN 201207012 Y CN201207012 Y CN 201207012Y
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- variable valve
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Abstract
Disclosed is an overall air-tightness testing instrument, comprising a pneumatic control system, a regulating valve, a testing mechanism, an electric control system and an automatic plugging actuating mechanism. The pneumatic control system is connected to the testing mechanism through the regulating valve, and the electric control system is connected with the pneumatic control system, the regulating valve, the testing mechanism and the automatic plugging actuating mechanism so as to work in coordination. The pneumatic control system is composed of an air supply triple piece, a pressure reducing valve, a pressure gauge and a regulating valve, which are connected in sequence, and is used to provide compressed gas whose pressure is precisely controlled for the testing mechanism. The electric control system is composed of a mainboard, and a sensor, a communication port, a drive circuit and a control panel, which are arranged on the mainboard. The sensor is connected with the testing mechanism and is connected with the mainboard through an AD conversion unit and an amplification unit. The air-tightness testing instrument is high in testing accuracy and automation degree and is applicable for flow line production technique.
Description
Technical field
The utility model relates to a kind of detector, and is particularly related to a kind of whole airtightness detector.
Background technology
In modern industrial society, a kind of machine is made up of many parts, and wherein a lot of parts must be that impermeability is good, otherwise the phenomenon once some parts leaks air not only can influence the performance of machine, make the machine can't operate as normal, even may cause the accident.The often separate unit work of existing air-leakage detector needs workman's manual operations, though or can realize the robotization that single test specimen detects, automaticity is not high, can not adapt to modern high-level efficiency, the production technology of automatic assembly line.
Summary of the invention
In view of the above-mentioned weak point of existing air-leakage detector, the utility model provides a kind of accuracy of detection height, and the automaticity height can adapt to the whole airtightness detector of streamline production technology.
The principle of work of whole airtightness detector of the present utility model is: atmospheric control is input to the accurate pressure gas of controlled pressure in the test specimen, automatically shut down source of inflation gas then, variable valve is accurately controlled the air balance of stipulated time, the variable valve that has turn-offed equilibrium activity again (has test specimen in equalizing valve one termination, the standard component that another termination is not leaked), the accurate little differential pressure sensor that is connected by the same gas circuit of test specimen and standard component, measure the differential pressure value of standard component and test specimen at the appointed time, obtain the pressure that the actual leakage of test specimen produces by temperature compensation again and fall, thereby judge whether test specimen leaks.
The technical scheme of whole airtightness detector of the present utility model is:
A kind of whole airtightness detector comprises atmospheric control, variable valve, testing agency, electric control system and automatic shutoff topworks; Above-mentioned atmospheric control is connected to testing agency by variable valve, and electric control system is respectively with atmospheric control, variable valve, testing agency, shutoff topworks links to each other to control its co-ordination automatically;
Above-mentioned atmospheric control comprises source of the gas three linked piece, reduction valve, tensimeter, the variable valve that order links to each other, and being responsible for testing agency provides controlled pressure accurate pressure gas;
Above-mentioned variable valve is responsible for the cutting out of gas circuit, unlatching and half-open semi-closure under the control of electric control system;
Whether above-mentioned testing agency is responsible for detecting the differential pressure value by the test specimen and the standard component of same gas circuit, reveal in order to judge test specimen;
Above-mentioned electric control system comprises mainboard and is connected to sensor, PORT COM, driving circuit, control panel on the mainboard that the sensor is connected to testing agency and is connected with mainboard with AD conversion unit by accurate amplifying unit.
Above-mentioned mainboard can receive and the treatment temperature signal, falls to reveal the pressure that produces by temperature compensation correction test specimen.
Above-mentioned atmospheric control also comprises solenoid directional control valve.
Be connected with variable valve on the driving circuit of above-mentioned electric control system, by the pressure of the pressure gas on the mainboard regulating and controlling gas circuit.
The sensor is connected on the mainboard by accurate amplifying unit and AD conversion unit.
Have LCD and operation keyboard on the above-mentioned control panel, and have the acousto-optic hint device.
Above-mentioned manometric range is 0～140Kpa, and precision is 0.3%, and the sensor comprises a pressure transducer and an accurate little differential pressure sensor, and the differential pressure range of above-mentioned accurate little differential pressure sensor is 0～2000pa, and precision is ± 2pa that resolution is 1pa.
Program is housed in the mainboard of whole airtightness detector of the present utility model in advance, can the realization program carry out, and be divided into automatic, manual two kinds of control modes, it is selected by selector switch, be automated manner during ordinary production, use manual mode when installation, maintenance, debugging.
Whole airtightness detector action of the present utility model is carried out by program, and its operation steps is:
During ordinary production, open instrument, adjust parameter after, preheating 5～10 minutes.Preheating finishes, and by " resetting " key, carries out proofreading and correct in the system, and must under static state carry out this moment, and can not connect test specimen.After occurring detecting picture, connect detected test specimen, source of the gas is inserted test specimen, click test button, it is bright to detect pilot lamp.Instrument begins to detect, and detects the instrument that finishes and judges that automatically whether qualified product is.Then enter next detection after finishing.
The utility model can be installed on the assembling line, realizes that robotization detects.
The utility model accuracy of detection height, the automaticity height can adapt to the streamline production technology.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.For the person of ordinary skill in the field, to the detailed description of the present utility model, above-mentioned and other purposes of the present utility model, feature and advantage will be apparent.
Description of drawings
Fig. 1 is that whole airtightness detector of the present utility model is installed in the synoptic diagram on the streamline.
Fig. 2 is whole airtightness test philosophy figure of the present utility model.
Fig. 3 is the enlarged drawing of the control panel of detector among Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments whole airtightness detector of the present utility model is described in further detail.
Fig. 1 is that whole airtightness detector of the present utility model is installed in the synoptic diagram on the streamline.It comprises detector 1, detects gas-filled tube 2, automatic shutoff topworks 3, source of the gas 4, assembling line 5, test specimen 6, and display screen 101 and button 102 are arranged on the control panel of detector 1.In an embodiment of the present utility model, this display screen is a LCDs, and its graphic dot matrix is 320 * RGB * 240.
Fig. 2 is the structural representation of an embodiment of the present utility model.
In an embodiment of the present utility model, whole airtightness detector of the present utility model comprises atmospheric control, variable valve, testing agency 7, electric control system and automatic shutoff topworks (not shown).
Atmospheric control comprises that source of the gas 21, filtrator 22, reduction valve 24, variable valve 25 orders link to each other, and two tensimeters 230,231 are connected to reduction valve 24, variable valve 25 afterwards to measure the pressure of the pressure gas after reduction valve 24 decompressions and voltage stabilizing and after variable valve 25 is regulated.
The standard component (not shown) that test specimen 6 is installed and does not reveal in testing agency 7.
Electronic control system comprises mainboard 10, the operation keyboard 11 that links to each other with mainboard 10, LCD 14, PORT COM 13, high-precision power 15, driving circuit 16, by accurate little differential pressure sensor 19, the pressure transducer 20 that accurate amplifying unit 18 and AD conversion unit 17 link to each other with mainboard 10, be connected with on the driving circuit 16 alarm buzzer 163, can receiving jig control signal 164, and can make indications such as detecting indication 160, qualified indication 161 and defective indication 162 by the drive controlling panel.The mainboard 10 of electronic control system of the present utility model can also receive and treatment temperature signal 12, falls to reveal the pressure that produces by temperature compensation correction test specimen.
Fig. 3 is the enlarged drawing of the control panel of detector among Fig. 1.Its each key name and purposes are as shown in the table:
Control panel key name and purposes
| Key number | Key name | Purposes | |
| 0-9 | Numerical | Parameter setting | |
| 10 | Key (SET key) is set | Image switching | |
| 11 | Shifting bond(s) (↑) on the cursor | Handoff parameter, shifting bond(s) on the |
|
| 12 | Shifting bond(s) (↓) under the cursor | Handoff parameter, shifting bond(s) under the |
|
| 13 | Acknowledgement key (ENT key) | Parameter setting is confirmed | |
| 14 | Detect | Detect instruction | |
| 15 | Reset key | Reset built-in systemization before the |
|
| 16 | Liquid crystal display | Interface display in the |
|
| 17 | Qualified pilot lamp | |
|
| 18 | Detect pilot | Detect indication | |
| 19 | Defective pilot lamp | Defective indication |
The display screen of whole airtightness detector of the present utility model can show detection time, testing result, detected pressures, detection pressure drop, reveal multiple detection relevant informations such as examining pressure.
In an embodiment of the present utility model, the peak power of whole airtightness detector of the present utility model is≤19.4W.
The testing process of whole airtightness detector of the present utility model is:
1, power-on and source of the gas,
2, the parameter setting is provided with charge pressure and inflation (test) time,
3, put down test specimen on the lower support of testing agency,
4, by detecting key, otherly carry out shutoff automatically to automatic shutoff topworks, detector is inflated to test specimen by tracheae simultaneously, stops inflation and self-clocking after reaching preset pressure, and detect and finish the back display result, and acousto-optic hint,
5, after detect finishing, shutoff topworks and the inflation mechanism return that rises is automatically done next detection and is prepared.
Though; the utility model clearly demonstrates by above embodiment and accompanying drawing thereof; yet under the situation that does not deviate from the utility model spirit and essence thereof; the person of ordinary skill in the field works as can make various corresponding variations and correction according to the utility model, but these corresponding variations and correction all should belong to the protection domain of claim of the present utility model.Therefore, the utility model should be defined by its claim.
Claims (6)
1. a whole airtightness detector comprises atmospheric control, variable valve, testing agency, electric control system and automatic shutoff topworks; It is characterized in that above-mentioned atmospheric control is connected to testing agency by variable valve, electric control system is respectively with atmospheric control, variable valve, testing agency, shutoff topworks links to each other to control its co-ordination automatically;
Above-mentioned atmospheric control comprises source of the gas three linked piece, reduction valve, tensimeter, the variable valve that order links to each other, and being responsible for testing agency provides controlled pressure accurate pressure gas;
Above-mentioned electric control system comprises mainboard and is connected to sensor, PORT COM, driving circuit, control panel on the mainboard that the sensor is connected to testing agency and is connected with mainboard with AD conversion unit by accurate amplifying unit.
2. whole airtightness detector according to claim 1 is characterized in that above-mentioned atmospheric control comprises solenoid directional control valve.
3. whole airtightness detector according to claim 2 is characterized in that being connected with variable valve on the driving circuit of above-mentioned electric control system, by the pressure of the pressure gas on the mainboard regulating and controlling gas circuit.
4. whole airtightness detector according to claim 3 is characterized in that the sensor is connected on the mainboard by accurate amplifying unit and AD conversion unit.
5. whole airtightness detector according to claim 4 is characterized in that having LCD and operation keyboard on the above-mentioned control panel, and has the acousto-optic hint device.
6. whole airtightness detector according to claim 5, it is characterized in that above-mentioned manometric range is 0～140Kpa, precision is 0.3%, the sensor comprises a pressure transducer and an accurate little differential pressure sensor, the differential pressure range of above-mentioned accurate little differential pressure sensor is 0～2000pa, precision is ± 2pa that resolution is 1pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200982679U CN201207012Y (en) | 2008-05-13 | 2008-05-13 | Detector for airtightness of complete machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200982679U CN201207012Y (en) | 2008-05-13 | 2008-05-13 | Detector for airtightness of complete machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201207012Y true CN201207012Y (en) | 2009-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200982679U Expired - Fee Related CN201207012Y (en) | 2008-05-13 | 2008-05-13 | Detector for airtightness of complete machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201207012Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141481A (en) * | 2010-02-01 | 2011-08-03 | 芜湖亚奇汽车部件有限公司 | Movable device for testing state of blowing mold |
| CN102829933A (en) * | 2012-09-11 | 2012-12-19 | 中国人民解放军总装备部军械技术研究所 | Air tightness detector for photoelectric instrument |
| CN102928180A (en) * | 2012-11-30 | 2013-02-13 | 天津市中环电子计算机有限公司 | Portable automatic tester for quantitatively measuring gas tightness of aerospace military products |
| CN104215404A (en) * | 2013-05-31 | 2014-12-17 | 北京谊安医疗系统股份有限公司 | Gas leakage measuring instrument |
| CN104848896A (en) * | 2015-05-15 | 2015-08-19 | 卡乐电子(苏州)有限责任公司 | Temperature-humidity and differential pressure transducer of machine room air-conditioning set |
| CN109141782A (en) * | 2018-09-18 | 2019-01-04 | 昆明北方红外技术股份有限公司 | The airtight test of ultralow pressure and gas substitution detector |
| CN109632203A (en) * | 2018-11-16 | 2019-04-16 | 嘉兴学院 | A kind of high-precision air tightness leakage detection apparatus and method |
| CN111024323A (en) * | 2019-11-29 | 2020-04-17 | 长春市汇腾机电设备有限公司 | Pure electric vehicles power battery package gas tightness detector |
| CN111693227A (en) * | 2019-03-13 | 2020-09-22 | 中国船舶重工集团公司第七一一研究所 | Air tightness testing device |
-
2008
- 2008-05-13 CN CNU2008200982679U patent/CN201207012Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141481A (en) * | 2010-02-01 | 2011-08-03 | 芜湖亚奇汽车部件有限公司 | Movable device for testing state of blowing mold |
| CN102829933A (en) * | 2012-09-11 | 2012-12-19 | 中国人民解放军总装备部军械技术研究所 | Air tightness detector for photoelectric instrument |
| CN102829933B (en) * | 2012-09-11 | 2014-10-08 | 中国人民解放军总装备部军械技术研究所 | Air tightness detector for photoelectric instrument |
| CN102928180A (en) * | 2012-11-30 | 2013-02-13 | 天津市中环电子计算机有限公司 | Portable automatic tester for quantitatively measuring gas tightness of aerospace military products |
| CN104215404A (en) * | 2013-05-31 | 2014-12-17 | 北京谊安医疗系统股份有限公司 | Gas leakage measuring instrument |
| CN104848896A (en) * | 2015-05-15 | 2015-08-19 | 卡乐电子(苏州)有限责任公司 | Temperature-humidity and differential pressure transducer of machine room air-conditioning set |
| CN109141782A (en) * | 2018-09-18 | 2019-01-04 | 昆明北方红外技术股份有限公司 | The airtight test of ultralow pressure and gas substitution detector |
| CN109632203A (en) * | 2018-11-16 | 2019-04-16 | 嘉兴学院 | A kind of high-precision air tightness leakage detection apparatus and method |
| CN111693227A (en) * | 2019-03-13 | 2020-09-22 | 中国船舶重工集团公司第七一一研究所 | Air tightness testing device |
| CN111024323A (en) * | 2019-11-29 | 2020-04-17 | 长春市汇腾机电设备有限公司 | Pure electric vehicles power battery package gas tightness detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING ZONGSHEN GENERAL POWER MACHINE CO., LTD. Free format text: FORMER OWNER: CHONGQING ZONGSHEN TECHNOLOGY DEVELOPMENT + RESEARCH CO. LTD. Effective date: 20101115 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 400039 NO.25, ERLANG ROAD, SHIQIAOPU, HIGH-TECH. ZONE, CHONGQING CITY TO: 400054 CHAOYOUCHANG, BA NAN DISTRICT, CHONGQING CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101115 Address after: 400054 Banan District, Chongqing fried oil field Patentee after: Chongqing Zongshen General Power Machine Co., Ltd. Address before: 400039, No. 25 Erlang Road, Chongqing hi tech Development Zone, Shiqiaopu Patentee before: Chongqing Zongshen Technology Development & Research Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090311 Termination date: 20110513 |