CN202676403U - Air tightness detecting device for pressure regulator - Google Patents
Air tightness detecting device for pressure regulator Download PDFInfo
- Publication number
- CN202676403U CN202676403U CN 201220297614 CN201220297614U CN202676403U CN 202676403 U CN202676403 U CN 202676403U CN 201220297614 CN201220297614 CN 201220297614 CN 201220297614 U CN201220297614 U CN 201220297614U CN 202676403 U CN202676403 U CN 202676403U
- Authority
- CN
- China
- Prior art keywords
- pressure regulator
- regulator
- solenoid valve
- pressure
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measuring Fluid Pressure (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses an air tightness detecting device for a pressure regulator. The device comprises an air supplier, a standard pressure regulator and a regulator to be detected. An air outlet of the air supplier is communicated with the standard pressure regulator and the regulator to be detected respectively by a first solenoid valve; and a second solenoid valve and a pressure difference measuring meter are respectively connected between the standard pressure regulator and the regulator to be detected. The air tightness detecting device resolves the problem of low detection efficiency and poor reliability of pressure regulators in the prior art and realizes automatic measurement and improves measurement efficiency by measuring pressure difference between the regulator to be detected and the standard pressure regulator by an equal pressure method and judging whether a pressure regulating valve is within a qualified range according to the pressure difference value. Meanwhile, the measurement reliability is ensured.
Description
Technical field
The utility model has related to a kind of pressure regulator air-tightness detection device, belongs to the pressure regulator technical field.
Background technology
The impermeability of pressure regulator is the very important parameter index of one item, pressure regulator before dispatching from the factory to very crucial operation of its bubble-tight test.The bubbling method is normally adopted in the bubble-tight detection of existing pressure regulator, and pressure regulator is put in the liquid, and whether according to the size of bubbling or bubbling judges whether pressure regulator is qualified, and this manual detection method not only efficient is not high, and reliability is relatively poor.
The utility model content
Technical problem to be solved in the utility model provides a kind of pressure regulator air-tightness detection device, can judge automatically whether pressure regulator to be measured is qualified according to the reading of differential pressure measurement meter, has improved the efficient that detects, and reliability has also obtained effective lifting.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of pressure regulator air-tightness detection device, comprise source of the gas, standard pressure regulator and pressure regulator to be measured, the gas outlet of described source of the gas is communicated with respectively at standard pressure regulator, pressure regulator to be measured by the first solenoid valve, is connected with respectively the second solenoid valve and differential pressure measurement meter between described standard pressure regulator, the pressure regulator to be measured.
Aforesaid a kind of pressure regulator air-tightness detection device is characterized in that: also be connected with the 3rd solenoid valve between described standard pressure regulator and the first solenoid valve, also be connected with the 4th solenoid valve between described pressure regulator to be measured and the first solenoid valve.
Aforesaid a kind of pressure regulator air-tightness detection device is characterized in that: also be connected with pressure gauge between described source of the gas and the first solenoid valve.
The beneficial effects of the utility model are: measure pressure differential between pressure regulator to be measured and the standard pressure regulator by isostatic pressing, judge that according to the numerical value of pressure differential pressure regulator valve is whether within acceptability limit, realize automatic measurement, improved the efficient of measuring, guaranteed simultaneously the reliability of measuring.
Description of drawings
Fig. 1 is the structural representation of utility model pressure regulator air-tightness detection device.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, a kind of pressure regulator air-tightness detection device, comprise source of the gas 1, standard pressure regulator 2 and pressure regulator to be measured 3, the gas outlet of described source of the gas 1 is communicated with respectively at standard pressure regulator 2, pressure regulator to be measured 3 by the first solenoid valve 4, be connected with respectively the second solenoid valve 7 and differential pressure measurement meter 8 between described standard pressure regulator 2, the pressure regulator to be measured 3, state between standard pressure regulator 2 and the first solenoid valve 4 and also be connected with the 3rd solenoid valve 5, also be connected with the 4th solenoid valve 6 between described pressure regulator 3 to be measured and the first solenoid valve 4.
At first to standard pressure regulator 2 and pressure regulator to be measured 3 inflations, open the first solenoid valve 4, the second solenoid valve 7, the 3rd solenoid valve 5, the 4th solenoid valve 6, after waiting for that source of the gas 1 fills a period of time gas, close the 3rd solenoid valve 5, the 4th solenoid valve 6, finish the inflation to standard pressure regulator 2 and pressure regulator to be measured 3.Then wait for a period of time, after making gas relative equilibrium in standard pressure regulator 2 and the pressure regulator to be measured 3 by the second solenoid valve 7, close the second solenoid valve 7, then wait for the value that reads behind the official hour on the differential pressure measurement meter 8, judge according to the value of measuring and the difference of standard value whether pressure regulator to be measured is qualified.
Also be connected with pressure gauge 9 between described source of the gas 1 and the first solenoid valve 4, when inflation, read force value by pressure gauge 9, avoid air pressure too high, damage product.
In sum, the pressure regulator air-tightness detection device that the utility model provides can judge automatically whether pressure regulator to be measured is qualified according to the reading of differential pressure measurement meter, has improved the efficient that detects, and reliability has also obtained effective lifting.
Above demonstration and described ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is by appending claims and equivalent circle thereof.
Claims (3)
1. pressure regulator air-tightness detection device, comprise source of the gas (1), standard pressure regulator (2) and pressure regulator to be measured (3), it is characterized in that: the gas outlet of described source of the gas (1) is communicated with respectively at standard pressure regulator (2), pressure regulator to be measured (3) by the first solenoid valve (4), is connected with respectively the second solenoid valve (7) and differential pressure measurement meter (8) between described standard pressure regulator (2), the pressure regulator to be measured (3).
2. a kind of pressure regulator air-tightness detection device according to claim 1, it is characterized in that: also be connected with the 3rd solenoid valve (5) between described standard pressure regulator (2) and the first solenoid valve (4), also be connected with the 4th solenoid valve (6) between described pressure regulator to be measured (3) and the first solenoid valve (4).
3. a kind of pressure regulator air-tightness detection device according to claim 1 and 2 is characterized in that: also be connected with pressure gauge (9) between described source of the gas (1) and the first solenoid valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220297614 CN202676403U (en) | 2012-06-25 | 2012-06-25 | Air tightness detecting device for pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220297614 CN202676403U (en) | 2012-06-25 | 2012-06-25 | Air tightness detecting device for pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676403U true CN202676403U (en) | 2013-01-16 |
Family
ID=47497302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220297614 Expired - Fee Related CN202676403U (en) | 2012-06-25 | 2012-06-25 | Air tightness detecting device for pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676403U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692301A (en) * | 2012-06-25 | 2012-09-26 | 昆山市恒安工业气体有限公司 | Air tightness detecting device for pressure regulators |
| CN106017825A (en) * | 2016-06-23 | 2016-10-12 | 苏州艾酷玛赫设备制造有限公司 | Airtightness test device |
-
2012
- 2012-06-25 CN CN 201220297614 patent/CN202676403U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692301A (en) * | 2012-06-25 | 2012-09-26 | 昆山市恒安工业气体有限公司 | Air tightness detecting device for pressure regulators |
| CN106017825A (en) * | 2016-06-23 | 2016-10-12 | 苏州艾酷玛赫设备制造有限公司 | Airtightness test 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: 20130116 Termination date: 20150625 |
|
| EXPY | Termination of patent right or utility model |