CN202547864U - Portable detector for gas pressure gage - Google Patents
Portable detector for gas pressure gage Download PDFInfo
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- CN202547864U CN202547864U CN2012200244182U CN201220024418U CN202547864U CN 202547864 U CN202547864 U CN 202547864U CN 2012200244182 U CN2012200244182 U CN 2012200244182U CN 201220024418 U CN201220024418 U CN 201220024418U CN 202547864 U CN202547864 U CN 202547864U
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- tensimeter
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- controller
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Abstract
The utility model provides a portable detector for a gas pressure gage. The portable detector for the gas pressure gage comprises a high-pressure gas source, a pressure controller, a pressure module, a pressure calibrator, a system pressure gage and a to-be-detected pressure gage. Gas of the high-pressure gas source is connected to a pressure feed valve at a pressure inlet of the pressure controller through an airtight pipeline; the pressure controller is provided with three output interfaces which are respectively and mutually connected with the pressure module, the pressure calibrator, the system pressure gage and the to-be-detected pressure gage through airtight pipelines; a tapered ball design is adopted by each interface; initial pressure is provided through the high-pressure gas source; and the measuring pressure point is regulated through a regulating valve to achieve the goal of verifying the to-be-detected pressure gage. The portable detector for the gas pressure gage is compact in structure, convenient in carrying, simple in operation and high in accuracy and can be used for realizing on-site detection without disassembly or laboratory detection on a pressure instrument under a gas medium state (35MPa).
Description
Technical field
The utility model relates to the gaseous tension detection range, relates in particular to the tensimeter pick-up unit that can not use liquid to detect in the space industry and can only the using gases medium detect.
Background technology
Need to use a lot of pressure measuring instruments (below the 35MPa) in manned space flight scientific research mission and the flight course, for guaranteeing that the measurement value accurately must carry out manometer and detect.Be prone to cause the pollution of pipeline residuals after some manometers in the space mission use liquid to detect and influence tasks secure, therefore, preferably the using gases medium detects.Yet at present, the following using gases of regulation 0.25MPa detects in the national verification rules, and the above liquid that uses of 1.6MPa detects, and domestic end sees that carrying out the following gas medium state of 35MPa downforce instrument detects.
In addition, some manometers in the space equipment can not be dismantled, otherwise influence a whole set of pipeline Totally hermetically.
Therefore, suddenly treat a kind ofly to be convenient for carrying, the gases at high pressure state downforce instrument pick-up unit of simple to operate, safe and feasible and detect foundation.
The utility model content
The purpose of the utility model is for overcoming the deficiency of prior art, a kind of portable gas manometer pick-up unit being provided.This apparatus structure is compact, is easy to carry, and is simple to operate, and accuracy is high, can realize that detection or laboratory detection are not dismantled in the scene of (35MPa) manometer under the gas medium state.
The utility model realizes that the technical scheme of above-mentioned purpose is: a kind of portable gas tensimeter pick-up unit comprises high-pressure air source, pressure controller, modular pressure, pressure testers, system pressure table, tensimeter to be detected; The gas of high-pressure air source is connected to the entrance pressure valve at pressure controller entrance pressure mouth place through airtight pipeline; Pressure controller has three output interfaces; First output interface is connected with modular pressure, pressure testers through airtight pipeline successively; Second output interface is connected with the system pressure epiphase through airtight pipeline, and the 3rd output interface is connected with tensimeter to be detected through airtight pipeline, and each joint adopts the design of taper bulb; Through high-pressure air source original pressure is provided; And reach the tested manometric purpose of verification through pressure regulator valve adjustment gaging pressure point, said pressure controller also has pressure-release valve, its just pressure controller gas inside pressure discharge.
The beneficial effect of utility model is: 1) can realize the following gas medium detected pressures of 35MPa instrument, change at present can't the gas detection manometer a difficult problem." the manometer gas on-site proving rules " of 2) writing solve the difficult problem that gas medium detects does not have technical basis.3) apparatus structure is simply portable, is convenient to carry out on-the-spot the detection.4) pressure regulator valve on the pressure controller can be realized the exact value preset, realizes the accurate detection of manometer.
Description of drawings
Fig. 1 is the structural representation of the utility model
Embodiment
In order to make the utility model technical matters to be solved, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
With reference to accompanying drawing 1, be the embodiment one of the utility model, a kind of portable gas tensimeter pick-up unit comprises high-pressure air source, pressure controller 1, modular pressure 2, pressure testers 3, system pressure table 4, tensimeter to be detected 5; The gas of high-pressure air source is connected to the entrance pressure valve 6 at pressure controller 1 entrance pressure mouth place through pipeline; Pressure controller 1 has three output interfaces; First output interface 7 is connected with modular pressure 2, pressure testers 3 through airtight pipeline successively; Second output interface 8 is connected with system pressure table 4 through airtight pipeline, and the 3rd output interface 9 is connected with tensimeter 5 to be detected through airtight pipeline, and each joint adopts the design of taper bulb; Through high-pressure air source original pressure is provided; And reach the tested manometric purpose of verification through pressure regulator valve 10 adjustment gaging pressure points, said pressure controller also has pressure-release valve 11, its just pressure controller 1 gas inside pressure discharge.
Said tensimeter to be detected 4 is connected to the 3rd output interface 9 of pressure controller 1 through a non-standard equipment intermediate duct 12, to adapt to the non-detachable needs of some tensimeters in the space equipment.
High-pressure air source comprises pneumatic supply 13 and elementary voltage regulating module 14, and pneumatic supply 13 connects the import of elementary voltage regulating module 14 through airtight pipeline, and the outlet of elementary voltage regulating module 14 connects the entrance pressure valve 6 at the entrance pressure mouth place of pressure controller 1 through airtight pipeline.Elementary voltage regulating module 14 can make pressure controller 1 pressure inside reach an original pressure.Pneumatic supply 13 can be high pressure resistant gas cylinder, and high pressure resistant gas cylinder can be inflated, and pressure store can satisfy the on-the-spot demand that is carried to greater than 23MPa.Pneumatic supply also can be the gas boosting pump, and gas boosting pump gas input pressure is 3～15MPa, and driving gas pressure 0.6～0.8MPa can be pressurized to 35MPa.
The pressure measurement range of said modular pressure 2, pressure testers 3 is :-100kPa～100kPa～60MPa, divide some ranges; Measuring accuracy: 0.05%FS.
Said pressure controller 1 uses steel material, the key technical indexes: pressure control scope :-0.1MPa～60MPa; Degree of stability: be superior to 0.05%; Entrance pressure mouth/output interface: M20 * 1.5.
The system pressure table 4 that said second output interface 8 connects is used for the air pressure in the detected pressures controller 1.And said second output interface 8 is as the Redundancy Design interface, also can be used for connecting tensimeter to be detected.
Said airtight pipeline all uses the high-pressure hose of inner liner metal material, and its withstand voltage scope is: 0～60MPa.
Said pressure regulator valve 10 can be realized the exact value preset, realizes the accurate detection of manometer.
The safety Design scheme of the portable gas tensimeter pick-up unit of the utility model is following:
1) pressure controller adopts steel material, and thickness, Safety Design and production are carried out Safety Design and prevention with reference to " gas cylinder safely technology supervision rules ".
2) pressurize test, gas uses 35MPa, according to national safety standard fluid pressure more than 1.5 times, carries out the 60MPa withstand voltage test, and the time does not have leakage more than 24 hours.
3) system pressure in the pressure controller detects, and adopts safety valve to design, and the safeguard protection pressure limit is set guarantees tested manometer safety.
The feasibility that the downward amount of the measurement standard of the portable gas tensimeter pick-up unit of the utility model passes: detect with the essential requirement of satisfying 1: 4 uncertainty ratio of reference instrument technical requirement.We select the pressure testers of 0.05%FS as examination criteria, through measurement technology mechanism assay approval, therefore, can satisfy in the present space mission all gas gaging pressure instrument and meter transmission of quantity value to the requirement of reference instrument.
The utility model is with reference to national manometer measurement verification regulations; Detect and laboratory fluids detected pressures instrument contrast test through this device gas medium; Write scientific and reasonable " manometer gas on-site proving rules ", to using this device to detect step and data processing is clearly stipulated.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. a portable gas tensimeter pick-up unit comprises high-pressure air source, pressure controller, modular pressure, pressure testers, system pressure table, tensimeter to be detected; The gas of high-pressure air source is connected to the entrance pressure valve at pressure controller entrance pressure mouth place through pipeline; Pressure controller has three output interfaces; First output interface is connected with modular pressure, pressure testers through airtight pipeline successively; Second output interface is connected with the system pressure epiphase through airtight pipeline, and the 3rd output interface is connected with tensimeter to be detected through airtight pipeline, and each joint adopts the design of taper bulb; Through high-pressure air source original pressure is provided; And reach the tested manometric purpose of verification through pressure regulator valve adjustment gaging pressure point, said pressure controller also has pressure-release valve, its just pressure controller gas inside pressure discharge.
2. portable gas tensimeter pick-up unit as claimed in claim 1 is characterized in that: said tensimeter to be detected is connected to the 3rd output interface of pressure controller through a non-standard equipment intermediate duct.
3. portable gas tensimeter pick-up unit as claimed in claim 1; It is characterized in that: high-pressure air source comprises pneumatic supply and elementary voltage regulating module; Pneumatic supply connects the import of elementary voltage regulating module through airtight pipeline; The outlet of elementary voltage regulating module is through the entrance pressure valve at the entrance pressure mouth place of airtight pipeline connection pressure controller, and elementary voltage regulating module can make the pressure controller pressure inside reach an original pressure.
4. portable gas tensimeter pick-up unit as claimed in claim 3 is characterized in that: pneumatic supply is high pressure resistant gas cylinder.
5. portable gas tensimeter pick-up unit as claimed in claim 3 is characterized in that: pneumatic supply is the gas boosting pump.
6. portable gas tensimeter pick-up unit as claimed in claim 1, it is characterized in that: the pressure measurement range of said modular pressure, pressure testers is :-100kPa～100kPa～60MPa, measuring accuracy: 0.05%FS.
7. portable gas tensimeter pick-up unit as claimed in claim 1 is characterized in that: said pressure controller uses steel material.
8. portable gas tensimeter pick-up unit as claimed in claim 1, it is characterized in that: said airtight pipeline all uses the high-pressure hose of inner liner metal material, and its withstand voltage scope is: 0～60 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200244182U CN202547864U (en) | 2012-01-19 | 2012-01-19 | Portable detector for gas pressure gage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200244182U CN202547864U (en) | 2012-01-19 | 2012-01-19 | Portable detector for gas pressure gage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202547864U true CN202547864U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200244182U Expired - Fee Related CN202547864U (en) | 2012-01-19 | 2012-01-19 | Portable detector for gas pressure gage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202547864U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364137A (en) * | 2013-07-03 | 2013-10-23 | 淮南矿业(集团)有限责任公司 | Pressure sensor adjusting device |
| CN107560790A (en) * | 2017-09-28 | 2018-01-09 | 西安航天动力试验技术研究所 | Pressure transducer vapour-pressure type field calibration device |
| CN112284616A (en) * | 2019-07-25 | 2021-01-29 | 北京康斯特仪表科技股份有限公司 | Gas pressure interface device |
| CN112304494A (en) * | 2019-07-25 | 2021-02-02 | 北京康斯特仪表科技股份有限公司 | Gas circuit assembly and gas pressure calibrator |
| CN113375858A (en) * | 2021-06-24 | 2021-09-10 | 北京康斯特仪表科技股份有限公司 | Pressure controller and pressure calibration method based on same |
-
2012
- 2012-01-19 CN CN2012200244182U patent/CN202547864U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364137A (en) * | 2013-07-03 | 2013-10-23 | 淮南矿业(集团)有限责任公司 | Pressure sensor adjusting device |
| CN103364137B (en) * | 2013-07-03 | 2015-07-29 | 淮南矿业(集团)有限责任公司 | Pressure transducer calibration apparatus |
| CN107560790A (en) * | 2017-09-28 | 2018-01-09 | 西安航天动力试验技术研究所 | Pressure transducer vapour-pressure type field calibration device |
| CN112284616A (en) * | 2019-07-25 | 2021-01-29 | 北京康斯特仪表科技股份有限公司 | Gas pressure interface device |
| CN112304494A (en) * | 2019-07-25 | 2021-02-02 | 北京康斯特仪表科技股份有限公司 | Gas circuit assembly and gas pressure calibrator |
| CN113375858A (en) * | 2021-06-24 | 2021-09-10 | 北京康斯特仪表科技股份有限公司 | Pressure controller and pressure calibration method based on same |
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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: 20121121 Termination date: 20160119 |
|
| EXPY | Termination of patent right or utility model |