CN203310584U - Air tightness detection device - Google Patents
Air tightness detection device Download PDFInfo
- Publication number
- CN203310584U CN203310584U CN2013204033683U CN201320403368U CN203310584U CN 203310584 U CN203310584 U CN 203310584U CN 2013204033683 U CN2013204033683 U CN 2013204033683U CN 201320403368 U CN201320403368 U CN 201320403368U CN 203310584 U CN203310584 U CN 203310584U
- Authority
- CN
- China
- Prior art keywords
- pressure
- filtrator
- valve
- air tightness
- casing
- 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
Links
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model provides an air tightness detection device. An outer air source mouth, a pressure dial indicator, a high voltage outlet, a low voltage outlet, a display, a spare part box and a power supply jack are arranged in/on a front panel of a housing; and a measuring component is arranged in the housing. According to the utility model, detection pressure and detection time are set via a touch screen, air tightness detection is achieved and leakage rate is displayed; the air tightness detection device is characterized by easy use and simple operation, precision of the air tightness detection can be improved, and cost to use is reduced; and the air tightness detection device is suitable for being applied as a device for detecting air tightness.
Description
Technical field
The utility model provides fuel oil and the device of lubricating system power grade sealing, the specifically air tightness detection apparatus detected in thruster and aircraft turbofan engine system.
Background technology
Air-leakage detector is to utilize to detect the pressure variation within a certain period of time of gas circuit gas, and indirectly obtains the checkout equipment of gas circuit leakproofness, for the force value in gas circuit, measures simultaneously.At present, airtight detector has complex structure, volume is large, accuracy of detection is low, cost is high, automaticity is low shortcoming.
The utility model content
In order to overcome the shortcoming of existing air tightness detection apparatus, the utility model provides air tightness detection apparatus.This device, by pressure loading valve, retaining valve filtrator, proportion valve, pressure transducer and filtrator, solves the technical matters of air tightness detection apparatus accuracy of detection, structure and cost.
The scheme that the utility model technical solution problem adopts is:
The front panel of casing is provided with external air source mouth, pressure indicator, high-pressure output port, low pressure delivery outlet, display screen, spare parts kit and outlet.
In casing, measuring sensor connects: nitrogen cylinder and interior being communicated with successively with the first pressure loading valve, the first retaining valve filtrator, the first proportion valve, the first pressure transducer, the first filtrator of casing, the first filtrator is connected with high-pressure output port, and the first filtrator is provided with the first temperature meter; High-pressure pump is connected with interior the second retaining valve filtrator of casing, the second pressure loading valve, the second proportion valve, the second pressure transducer, the second filtrator, and the second filtrator is communicated with successively with the low pressure delivery outlet; The second filtrator is provided with the second temperature meter; Between the first retaining valve filtrator and the second retaining valve filtrator, be communicated with the gas circuit linker, the gas circuit linker is connected with air-capacitor, electro connecting pressure gauge, controlled valve high-pressure pump air flue respectively.
Good effect, the utility model is set detected pressures and detection time by touch-screen, realizes that impermeability detects, and shows slip.Have characteristics easy to use, simple to operate, can improve airtight accuracy of detection, reduce use cost.Suitable application of installation as airtight detection.
The accompanying drawing explanation
Fig. 1 is the utility model structure drawing of device
Fig. 2 is the utility model structure member connection status figure
In figure, 1 casing, 1.1. external air source mouth, 1.2. pressure indicator, 1.3. high-pressure output port, 1.4. low pressure delivery outlet, 1.5. display screen, 1.6. spare parts kit, 1.7. outlet, 2.1. nitrogen cylinder, 2.2. the first pressure loading valve, 2.3. the first retaining valve filtrator, 2.4. the first proportion valve, 2.5. the first pressure transducer, 2.6. the first filtrator, 2.7. the first temperature meter, 2.8. air-capacitor, 2.9. the second temperature meter, 2.10. the second filtrator, 2.11. the second pressure transducer, 2.12. the second proportion valve, 2.13. the second pressure loading valve, 2.14. gas circuit linker, 2.15. the second retaining valve filtrator, 2.16. high-pressure pump, 2.17. electro connecting pressure gauge, 2.18. controlled valve.
Embodiment
According to shown in Figure 1, the front panel of casing 1 is provided with external air source mouth 1.1, pressure indicator 1.2, high-pressure output port 1.3, low pressure delivery outlet 1.4, display screen 1.5, spare parts kit 1.6 and outlet 1.7.
According to shown in Figure 2, in casing, measuring sensor connects: nitrogen cylinder 2.1 and interior being communicated with successively with the first pressure loading valve 2.2, the first retaining valve filtrator 2.3, the first proportion valve 2.4, the first pressure transducer 2.5, the first filtrator 2.6 of casing, the first filtrator is connected with high-pressure output port, and the first filtrator is provided with the first temperature meter 2.7; High-pressure pump 2.16 is connected with interior the second retaining valve filtrator 2.15 of casing, the second pressure loading valve 2.13, the second proportion valve 2.12, the second pressure transducer 2.11, the second filtrator 2.10, and the second filtrator is communicated with successively with the low pressure delivery outlet; The second filtrator is provided with the second temperature meter 2.9; Between the first retaining valve filtrator and the second retaining valve filtrator, be communicated with gas circuit linker 2.14, the gas circuit linker is connected with air-capacitor 2.8, electro connecting pressure gauge 2.17, controlled valve 2.18 high-pressure pump air flues respectively.
Principle of work of the present utility model:
When gas circuit pressure, when leaking, because the variation of temperature in pipe directly causes pressure in pipeline and the variation of volume, the pressure in managing is exerted an influence; By the temperature in direct measurement pipeline, by physics equation of gaseous state relational expression, calculate the affect amount of the variation of temperature on the pressure variation, then revise pipeline inner pressure and measure over time, thus the leakage rate of the gas in the acquisition pipeline.
After nitrogen cylinder is opened, nitrogen is by the first pressure loading valve, the first retaining valve filtrator, the first proportion valve, the first pressure transducer, the first filtrator, by the first temperature meter, measure the temperature of input ratio to nitrogen, unnecessary gas is discharged from high-pressure output port;
After high-pressure pump is opened, gases at high pressure are by the second filtrator, the second pressure transducer, the second proportion valve, the second pressure loading valve, the second retaining valve filtrator, by the second temperature meter, measure the temperature through the pressure-air of comparison, unnecessary gas is discharged from the low pressure delivery outlet;
The pipeline be communicated with nitrogen and the pipeline be communicated with gases at high pressure access electro connecting pressure gauge and controlled valve by the gas circuit linker jointly.Set the pressure value of electro connecting pressure gauge, reach and measure the terminal shutdown.
By bleed pressure, compare, measure while reaching terminal, by the variation of air pressure and temperature value, calculate gas and whether leak.
Characteristics:
The utility model by pressure in the monitoring pipeline in time with the temperature variation value, indirectly measure the leakage rate of gas in pipeline, have advantages of that accuracy of detection is high, easy to operate.
Claims (1)
1. air tightness detection apparatus is characterized in that:
The front panel of casing (1) is provided with external air source mouth (1.1), pressure indicator (1.2), high-pressure output port (1.3), low pressure delivery outlet (1.4), display screen (1.5), spare parts kit (1.6) and outlet (1.7);
In casing, measuring sensor connects: nitrogen cylinder (2.1) and interior being communicated with successively with the first pressure loading valve (2.2), the first retaining valve filtrator (2.3), the first proportion valve (2.4), the first pressure transducer (2.5), the first filtrator (2.6) of casing, the first filtrator is connected with high-pressure output port, and the first filtrator is provided with the first temperature meter (2.7); High-pressure pump (2.16) is connected with interior the second retaining valve filtrator (2.15) of casing, the second pressure loading valve (2.13), the second proportion valve (2.12), the second pressure transducer (2.11), the second filtrator (2.10), and the second filtrator is communicated with successively with the low pressure delivery outlet; The second filtrator is provided with the second temperature meter (2.9); Between the first retaining valve filtrator and the second retaining valve filtrator, be communicated with gas circuit linker (2.14), the gas circuit linker is connected with air-capacitor (2.8), electro connecting pressure gauge (2.17), controlled valve (2.18) high-pressure pump air flue respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204033683U CN203310584U (en) | 2013-07-09 | 2013-07-09 | Air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204033683U CN203310584U (en) | 2013-07-09 | 2013-07-09 | Air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203310584U true CN203310584U (en) | 2013-11-27 |
Family
ID=49616786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204033683U Expired - Fee Related CN203310584U (en) | 2013-07-09 | 2013-07-09 | Air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203310584U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486470A (en) * | 2016-01-21 | 2016-04-13 | 湖州南浔双林振森实木加工厂 | Floor ammonia fume device with sealing detection function |
| CN106768058A (en) * | 2016-12-30 | 2017-05-31 | 武汉泰安晶液态金属科技有限公司 | One kind shut-off valve test device |
| CN109781363A (en) * | 2018-12-28 | 2019-05-21 | 青岛海尔股份有限公司 | The detection method and detection device of refrigerator leakproofness |
| CN112903206A (en) * | 2019-12-04 | 2021-06-04 | 国家能源投资集团有限责任公司 | Air tightness detection system and air tightness detection method |
-
2013
- 2013-07-09 CN CN2013204033683U patent/CN203310584U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486470A (en) * | 2016-01-21 | 2016-04-13 | 湖州南浔双林振森实木加工厂 | Floor ammonia fume device with sealing detection function |
| CN106768058A (en) * | 2016-12-30 | 2017-05-31 | 武汉泰安晶液态金属科技有限公司 | One kind shut-off valve test device |
| CN109781363A (en) * | 2018-12-28 | 2019-05-21 | 青岛海尔股份有限公司 | The detection method and detection device of refrigerator leakproofness |
| CN112903206A (en) * | 2019-12-04 | 2021-06-04 | 国家能源投资集团有限责任公司 | Air tightness detection system and air tightness detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107340101B (en) | Gas micro-leakage detection device and method for sealing device | |
| CN203310584U (en) | Air tightness detection device | |
| CN103398830B (en) | A kind of grease chamber's sealing leak hunting method of load ratio bridging switch | |
| CN205102992U (en) | Engine water pipe gas tightness dry -type check out test set | |
| CN204177537U (en) | A kind of container helium mass spectrum leak detection device | |
| CN105241616A (en) | Civil defense door airtightness detection apparatus with protection function | |
| CN210442338U (en) | Hydrogen detector testing arrangement | |
| CN205879474U (en) | Vertical compression leak detector | |
| CN203216669U (en) | Pressure checking apparatus | |
| CN105387977A (en) | Installing edge leak detection system and method for two-chamber three-pressure zone structure of aero-engine | |
| CN203249743U (en) | Gas tightness detection device | |
| CN201397272Y (en) | Thin walled pipe external pressure instability testing unit | |
| CN203688176U (en) | Air tightness detection device of lead-acid storage battery | |
| CN205066999U (en) | Pressure measurement of vehicle air conditioner system | |
| CN110823467A (en) | High-pressure sealing ring testing device and testing method | |
| CN203688152U (en) | Novel gas pressure reducer verifying device | |
| CN103852224A (en) | Fuel gas watchcase leakage detection device and detection method | |
| CN202814637U (en) | Device for detecting vacuum value at brake pipe end of vehicle | |
| CN105277322A (en) | Civil air defence door airtightness detection device | |
| CN203772508U (en) | Large-scale ventilating device air leakage rate detector | |
| CN203231887U (en) | Positive negative pressure generator for oil tank breather valve | |
| CN203349876U (en) | Portable comprehensive parameter tester for gas pipeline | |
| CN203037423U (en) | Air tightness detection device for positive-pressure containers | |
| CN204964098U (en) | Backpressure formula pressure sensor | |
| CN103759785A (en) | Volume measurement device and method with double vacuometers for quantifying gas configuration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Dehai Inventor after: Cui Baojian Inventor after: Xin Dazhi Inventor before: Zhou Dehai Inventor before: Cui Baojian |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHOU DEHAI CUI BAOJIAN TO: ZHOU DEHAI CUI BAOJIAN XIN DAZHI |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20140709 |
|
| EXPY | Termination of patent right or utility model |