CN105466653A - Alternate temperature gas tightness tester - Google Patents
Alternate temperature gas tightness tester Download PDFInfo
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- CN105466653A CN105466653A CN201511019817.4A CN201511019817A CN105466653A CN 105466653 A CN105466653 A CN 105466653A CN 201511019817 A CN201511019817 A CN 201511019817A CN 105466653 A CN105466653 A CN 105466653A
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- negative
- pressure
- switch
- alternating temperature
- pressure gas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2853—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipe joints or seals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to an alternate temperature gas tightness tester, and the tester comprises a case, a positive pressure gas input device and a negative pressure gas input device which are arranged in the case, a test device which can connected with the positive pressure gas input device and the negative pressure gas input device through a gas tube, a positive and negative pressure gas outlet which is connected with the test device through the gas tube, and an alternate temperature control device which is arranged on the outside of the case, wherein the positive and negative pressure gas outlet is arranged in the alternate temperature control device; and the test device comprises a flowmeter, and a left end pressure gauge and a right end pressure gauge which are connected with the flowmeter through the gas tube. According to the invention, the test device is used for testing the tube connector and displaying the data when the tube connector is tested; the alternate temperature control device is used for providing a required alternate temperature when the tube connector is tested.
Description
[technical field]
The present invention relates to testing apparatus technical field, specifically, relate to a kind of alternating temperature-changing air-tightness tester.
[background technology]
In social production process, portioned product needs to test for its specific performance; As pneumatic joint, need to detect its impermeability after production completes;
There is no now the special air tightness detection equipment for pneumatic joint, after usually taking a series of workpiece such as joint connection in site pipeline, valve and rain glass, air-leakage test is carried out to pneumatic joint;
The detection mode that present stage adopts, need a series of workpiece such as joint connection in site pipeline, valve and rain glass, very inconvenient, and during a series of workpiece such as joint connection in site pipeline, valve and rain glass, the connection error easily produced because of operating personnel causes detected value inaccurate;
Pneumatic joint air-tightness at different temperatures cannot be detected simultaneously.
Therefore be necessary to provide a kind of alternating temperature-changing air-tightness tester to solve the problems referred to above.
[summary of the invention]
Fundamental purpose of the present invention is to provide a kind of alternating temperature-changing air-tightness tester, its compact conformation, can accurately detect its impermeability of pneumatic joint, simple to operate and Test Field can not be caused chaotic; Its air tightness test of pneumatic joint under different temperatures can be carried out simultaneously.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of alternating temperature-changing air-tightness tester, the proving installation comprising cabinet, be arranged at barotropic gas input media in described cabinet and negative-pressure gas input media, be communicated with described negative-pressure gas input media with described barotropic gas input media by tracheae, the positive/negative-pressure gas vent be communicated with described proving installation by tracheae and the alternating temperature-changing control device be arranged at outside described cabinet, described positive/negative-pressure gas vent is arranged in described alternating temperature-changing control device; The left end tensimeter that described proving installation comprises flowmeter, be communicated with described flowmeter by tracheae and right-hand member tensimeter.
Further; described proving installation comprises positive pressure protection/measurement switch and switch is protected/measured to negative pressure, and described positive pressure protection/measurement switch and described negative pressure protect/measure switch to be communicated with described right-hand member tensimeter and described positive/negative-pressure gas vent with described left end tensimeter respectively by tracheae.
Further, described barotropic gas input media comprise just compress switch, by tracheae and the described barotropic gas entrance be communicated with that just compressing switch, described barotropic gas entrance and described malleation switch room are provided with malleation pressure regulator and malleation indicator gauge.
Further, the negative-pressure gas entrance that described negative-pressure gas input media is comprised negative pressure switch, is communicated with described negative pressure switch by tracheae, is provided with negative pressure regulator and negative pressure indicator gauge between described negative-pressure gas entrance and described negative pressure switch.
Further, described malleation pressure regulator and described negative pressure regulator are high precision pressure regulator.
Further, described flow counts high precision micro-flow meter.
Further, described left end tensimeter and described right-hand member tensimeter are digital display manometer.
Wherein:
Described barotropic gas input media is for providing the barotropic gas needed for test;
Described negative-pressure gas input media is for providing the negative-pressure gas needed for test;
Described proving installation is for testing data when pneumatic joint and display test pneumatic joint;
Described positive/negative-pressure gas vent is for connecting the pneumatic joint of needs test;
Described alternating temperature-changing control device is for providing the temperature of the test alternation that pneumatic joint is change;
The described malleation pressure regulator that described barotropic gas input media is arranged and described malleation indicator gauge, for adjusting its pressure of barotropic gas of described barotropic gas entrance input, make it to be applicable to needed for test;
The described negative pressure regulator that described negative-pressure gas input media is arranged and described negative pressure indicator gauge, for adjusting its pressure of negative-pressure gas of described negative-pressure gas entrance input, make it to be applicable to needed for test;
The pressure at two ends of described positive/negative-pressure gas vent when described left end tensimeter and described right-hand member tensimeter are for showing test, i.e. the pressure at pneumatic joint two ends;
Described positive pressure protection/measurement switch and described negative pressure protect/measure switch for control proving installation and described positive/negative-pressure gas vent and flowmeter serial/parallel UNICOM whether and flowmeter airflow direction, whether namely control the carrying out of test;
Described flowmeter, for showing pneumatic flowrate during test, simultaneously provides auxiliary in equipment adjustment before testing.
Compared with prior art, the beneficial effect of a kind of alternating temperature-changing air-tightness tester of the present invention is:
1) by arranging barotropic gas input media, it is for providing the barotropic gas needed for test;
2) by arranging negative-pressure gas input media, it is for providing the negative-pressure gas needed for test;
3) by arranging proving installation, it is for testing data when pneumatic joint and display test pneumatic joint;
4) by arranging positive/negative-pressure gas vent, it is for connecting the pneumatic joint of needs test;
5) by arranging alternating temperature-changing control device, it is for providing the temperature of the test alternation that pneumatic joint is change;
6) by arranging malleation pressure regulator and malleation indicator gauge on barotropic gas input media, it is for adjusting its pressure of barotropic gas of barotropic gas entrance input, makes it to be applicable to needed for test;
7) by arranging negative pressure regulator and negative pressure indicator gauge on negative-pressure gas input media, it is for adjusting its pressure of negative-pressure gas of negative-pressure gas entrance input, makes it to be applicable to needed for test;
8) by arranging left end tensimeter and right-hand member tensimeter on proving installation, the pressure at two ends of positive/negative-pressure gas vent when it is for showing test, the i.e. pressure at pneumatic joint two ends;
9) by arranging positive pressure protection switch and negative pressure protection switch, whether its control proving installation is communicated with positive/negative-pressure gas vent, i.e. whether the carrying out of control test;
10) by arranging flowmeter on proving installation, it is for showing pneumatic flowrate during test, provides auxiliary in equipment adjustment before testing simultaneously.
[accompanying drawing explanation]
Fig. 1 is the structural representation of embodiments of the invention;
Numeral in figure:
1 cabinet, 2 barotropic gas entrances, 3 negative-pressure gas entrances; 4 negative pressure regulator, 5 malleation pressure regulators, 6 negative pressure indicator gauges; 7 malleation indicator gauges, 8 negative pressure switches, 9 just compress switch; 10 left end tensimeters, 11 flowmeters, 12 right-hand member tensimeters; 13 positive pressure protections/measurement switch; switch is protected/measured to 14 negative pressure, 15 positive/negative-pressure gas vents, 16 alternating temperature-changing control device.
[embodiment]
Embodiment:
With reference to Fig. 1, the present embodiment provides a kind of alternating temperature-changing air-tightness tester, the proving installation comprising cabinet 1, be arranged at barotropic gas input media in cabinet 1 and negative-pressure gas input media, be communicated with negative-pressure gas input media with barotropic gas input media by tracheae, the positive/negative-pressure gas vent 15 be communicated with proving installation by tracheae and the alternating temperature-changing control device 16 be arranged at outside cabinet 1, positive/negative-pressure gas vent 15 is arranged in alternating temperature-changing control device 16; The left end tensimeter 10 that proving installation comprises flowmeter 11, be communicated with flowmeter 11 by tracheae and right-hand member tensimeter 12;
Proving installation comprises positive pressure protection/measurement switch 13 and switch 14 is protected/measured to negative pressure, and positive pressure protection/measurement switch 13 and negative pressure protect/measure switch 14 respectively by tracheae and left end tensimeter 10 and right-hand member tensimeter 12 and positive/negative-pressure gas 15 outlet;
Barotropic gas input media comprise just compress switch 9, by tracheae and the 9 barotropic gas entrances 2 be communicated with that just compress switch, barotropic gas entrance 2 and just compressing switch between 9 and be provided with malleation pressure regulator 5 and malleation indicator gauge 7;
The negative-pressure gas entrance 3 that negative-pressure gas input media is comprised negative pressure switch 8, is communicated with negative pressure switch 8 by tracheae, is provided with negative pressure regulator 4 and negative pressure indicator gauge 6 between negative-pressure gas entrance 3 and negative pressure switch 8;
Malleation pressure regulator 5 and negative pressure regulator 4 are high precision pressure regulator;
Flowmeter 11 is high precision micro-flow meter;
Left end tensimeter 10 and right-hand member tensimeter 12 are digital display manometer.
Wherein:
Barotropic gas input media is for providing the barotropic gas needed for test;
Negative-pressure gas input media is for providing the negative-pressure gas needed for test;
Proving installation is for testing data when pneumatic joint and display test pneumatic joint;
Positive/negative-pressure gas vent 15 is for connecting the pneumatic joint of needs test;
Alternating temperature-changing control device 16 is for providing the temperature of the test alternation that pneumatic joint is change;
The malleation pressure regulator 5 that barotropic gas input media is arranged and its pressure of barotropic gas that malleation indicator gauge 7 inputs for adjusting barotropic gas entrance 2, make it to be applicable to needed for test;
The negative pressure regulator 4 that negative-pressure gas input media is arranged and its pressure of negative-pressure gas that negative pressure indicator gauge 6 inputs for adjusting negative-pressure gas entrance 3, make it to be applicable to needed for test;
Left end tensimeter 10 and right-hand member tensimeter 12, for showing the pressure at two ends of flowmeter 11, namely calculate pressure reduction;
Whether and airflow direction positive pressure protection/measurement switch 13 and negative pressure protect/measure switch 14 for controlling positive/negative-pressure gas vent 15 and the serial/parallel UNICOM of flowmeter 11, whether namely control the carrying out of test;
Flowmeter 11, for showing pneumatic flowrate during test, simultaneously provides auxiliary in equipment adjustment before testing.
The air tightness test of a kind of alternating temperature-changing air-tightness tester to pneumatic joint of the present embodiment comprises the steps:
1) close just compressing switch 9, negative pressure switch 8, open positive pressure protection/measurement switch 13 and switch 14 is protected/measured to negative pressure, respectively at access origin on barotropic gas entrance 2 and negative-pressure gas entrance 3, and pneumatic joint is connected on positive/negative-pressure gas vent 15, pneumatic joint is positioned in alternating temperature-changing control device 16;
2) start alternating temperature-changing control device, alternating temperature-changing curve is set simultaneously;
3) need the malleation moment by Curves, open and just compress switch 9, utilize malleation indicator gauge 7 and malleation pressure regulator 5 to adjust its pressure of gas of barotropic gas entrance 2 input; Close positive pressure protection/measurement switch 13, make gas by the pneumatic flowrate change shown by flowmeter 11, and the data of pressure, flow shown on recording flowmeter, open positive pressure protection/measurement switch 13 after completing and flowmeter bypass is protected, close and just compressing switch 9;
Its pressure of gas needing the negative pressure moment by Curves, open negative pressure switch 8, utilize negative pressure indicator gauge 6 and negative pressure regulator 6 adjustment negative-pressure gas entrance 3 to input; Close negative pressure and protect/measure switch 14, make gas by the pneumatic flowrate change shown by flowmeter 11, and the data of pressure, flow shown on recording flowmeter, open negative pressure protection/measure switch 14 flowmeter bypass is protected after completing, close negative pressure switch 8;
4) close positive pressure protection/measurements switch 13 or negative pressure when protecting/measure switch 14, the data on observation left end tensimeter 10, right-hand member tensimeter 12, prevent flowmeter superpressure poor, record data simultaneously;
5) judge that whether the impermeability of pneumatic joint is qualified according to record data and alternating temperature-changing curve; Now complete the air tightness test of single pneumatic joint.
Compared with prior art, the beneficial effect of a kind of alternating temperature-changing air-tightness tester of the present embodiment is: by arranging barotropic gas input media, and it is for providing the barotropic gas needed for test; By arranging negative-pressure gas input media, it is for providing the negative-pressure gas needed for test; By arranging proving installation, it is for testing data when pneumatic joint and display test pneumatic joint; By arranging positive/negative-pressure gas vent 15, it is for connecting the pneumatic joint of needs test; By arranging alternating temperature-changing control device 16, it is for providing the temperature of the test alternation that pneumatic joint is change; By arranging malleation pressure regulator 5 and malleation indicator gauge 7 on barotropic gas input media, its its pressure of barotropic gas inputted for adjusting barotropic gas entrance 2, makes it to be applicable to needed for test; By arranging negative pressure regulator 4 and negative pressure indicator gauge 6 on negative-pressure gas input media, its its pressure of negative-pressure gas inputted for adjusting negative-pressure gas entrance 3, makes it to be applicable to needed for test; By arranging left end tensimeter 10 and right-hand member tensimeter 12 on proving installation, it, for showing flowmeter 11 pressure at two ends, namely calculates pressure reduction; By arranging protection positive pressure protection/measurement switch 13 and switch 14 is protected/measured to negative pressure, whether and direction it control positive/negative-pressure gas vent 15 and the serial/parallel UNICOM of flowmeter 11, whether namely controls the carrying out of test; By arranging flowmeter 11 on proving installation, it is for showing pneumatic flowrate during test, simultaneously provides auxiliary in equipment adjustment before testing.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (7)
1. an alternating temperature-changing air-tightness tester, it is characterized in that: the proving installation comprising cabinet, be arranged at barotropic gas input media in described cabinet and negative-pressure gas input media, be communicated with described negative-pressure gas input media with described barotropic gas input media by tracheae, the positive/negative-pressure gas vent be communicated with described proving installation by tracheae and the alternating temperature-changing control device be arranged at outside described cabinet, described positive/negative-pressure gas vent is arranged in described alternating temperature-changing control device; The left end tensimeter that described proving installation comprises flowmeter, be communicated with described flowmeter by tracheae and right-hand member tensimeter.
2. a kind of alternating temperature-changing air-tightness tester according to claim 1; it is characterized in that: described proving installation comprises positive pressure protection/measurement switch and switch is protected/measured to negative pressure, described positive pressure protection/measurement switch and described negative pressure protect/measure switch to be communicated with described right-hand member tensimeter and described positive/negative-pressure gas vent with described left end tensimeter respectively by tracheae.
3. a kind of alternating temperature-changing air-tightness tester according to claim 1, it is characterized in that: described barotropic gas input media comprise just compress switch, by tracheae and the described barotropic gas entrance be communicated with that just compressing switch, described barotropic gas entrance and described malleation switch room are provided with malleation pressure regulator and malleation indicator gauge.
4. a kind of alternating temperature-changing air-tightness tester according to claim 1, it is characterized in that: the negative-pressure gas entrance that described negative-pressure gas input media is comprised negative pressure switch, is communicated with described negative pressure switch by tracheae, between described negative-pressure gas entrance and described negative pressure switch, be provided with negative pressure regulator and negative pressure indicator gauge.
5. a kind of alternating temperature-changing air-tightness tester according to claim 3 or 4, is characterized in that: described malleation pressure regulator and described negative pressure regulator are high precision pressure regulator.
6. a kind of alternating temperature-changing air-tightness tester according to claim 1, is characterized in that: described flow counts high precision micro-flow meter.
7. a kind of alternating temperature-changing air-tightness tester according to claim 1, is characterized in that: described left end tensimeter and described right-hand member tensimeter are digital display manometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511019817.4A CN105466653A (en) | 2015-12-31 | 2015-12-31 | Alternate temperature gas tightness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511019817.4A CN105466653A (en) | 2015-12-31 | 2015-12-31 | Alternate temperature gas tightness tester |
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| Publication Number | Publication Date |
|---|---|
| CN105466653A true CN105466653A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511019817.4A Pending CN105466653A (en) | 2015-12-31 | 2015-12-31 | Alternate temperature gas tightness tester |
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| CN (1) | CN105466653A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124192A (en) * | 2016-08-31 | 2016-11-16 | 芜湖亚奇汽车部件有限公司 | Device for tank pressure tests |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000121486A (en) * | 1998-10-15 | 2000-04-28 | Cosmo Keiki:Kk | Leak inspection method and leak inspection device |
| KR20030081702A (en) * | 2002-04-12 | 2003-10-22 | 한국항공우주산업 주식회사 | Apparatus to use air pressure testing for a tube |
| CN201293702Y (en) * | 2008-10-20 | 2009-08-19 | 宁波均胜汽车电子股份有限公司 | Leakage test equipment |
| CN103411771A (en) * | 2013-09-02 | 2013-11-27 | 上海开维喜阀门集团有限公司 | Large environment simulation test device for pipeline ball valve test |
| CN104266803A (en) * | 2014-10-16 | 2015-01-07 | 歌尔声学股份有限公司 | Airtight detecting system and method |
| CN205352644U (en) * | 2015-12-31 | 2016-06-29 | 昆山派纳瑞橡塑制品有限公司 | Reversal temperature gas tightness tester |
-
2015
- 2015-12-31 CN CN201511019817.4A patent/CN105466653A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000121486A (en) * | 1998-10-15 | 2000-04-28 | Cosmo Keiki:Kk | Leak inspection method and leak inspection device |
| KR20030081702A (en) * | 2002-04-12 | 2003-10-22 | 한국항공우주산업 주식회사 | Apparatus to use air pressure testing for a tube |
| CN201293702Y (en) * | 2008-10-20 | 2009-08-19 | 宁波均胜汽车电子股份有限公司 | Leakage test equipment |
| CN103411771A (en) * | 2013-09-02 | 2013-11-27 | 上海开维喜阀门集团有限公司 | Large environment simulation test device for pipeline ball valve test |
| CN104266803A (en) * | 2014-10-16 | 2015-01-07 | 歌尔声学股份有限公司 | Airtight detecting system and method |
| CN205352644U (en) * | 2015-12-31 | 2016-06-29 | 昆山派纳瑞橡塑制品有限公司 | Reversal temperature gas tightness tester |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124192A (en) * | 2016-08-31 | 2016-11-16 | 芜湖亚奇汽车部件有限公司 | Device for tank pressure tests |
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Application publication date: 20160406 |
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