CN107560790A - Pressure transducer vapour-pressure type field calibration device - Google Patents
Pressure transducer vapour-pressure type field calibration device Download PDFInfo
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- CN107560790A CN107560790A CN201710898847.XA CN201710898847A CN107560790A CN 107560790 A CN107560790 A CN 107560790A CN 201710898847 A CN201710898847 A CN 201710898847A CN 107560790 A CN107560790 A CN 107560790A
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- pressure
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- field calibration
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Abstract
The invention belongs to airspace engine technical field of test equipment, and in particular to a kind of pressure transducer vapour-pressure type field calibration device.The calibrating installation includes pressure controller, and pressure controller porch sets supply air line, and pressure controller exit is provided for connecting the discharge of pressure transducer to be calibrated；On the supply air line filter, indicating value pressure gauge and hand stop valve are disposed with by air source inlet along gas conveying direction.The present invention compared to conventional test devices such as fuel pressure gage and hydraulic gages, can effectively be controlled fifth wheel, be significantly improved pressure transducer field calibration efficiency, reduce labor intensity using clean gas such as nitrogen as pressurization air source.
Description
Technical field
The invention belongs to airspace engine technical field of test equipment, and in particular to a kind of pressure transducer vapour-pressure type scene
Calibrating installation.
Background technology
In liquid propellant rocket engine test, pressure measxurement parameter is more, and the order of accuarcy of its measurement is influenceed to starting
The assessment of performance.Pressure parameter measurement is that measurand is converted into electric signal by pressure transducer, by measuring cable
Data collecting system is returned in teletransmission, and in the process, electric signal is easily influenceed by experimental enviroment, includes the loop of measurement cable
Resistance, the line loss of sensor supply voltage and signal converting link etc..Therefore, measured to ensure pressure parameter
The degree of accuracy, before each liquid propellant rocket engine test, it is necessary to including pressure transducer and data collecting system
Whole measuring system carries out field calibration.
The field calibration of conventional pressure transducer is not easy using the manual mode of fuel pressure gage, complex operation, sensor
Cleaning, artificial caused error is big, and calibration efficiency is low, and oil pressure has inflammable and pollution critical defect, and security is poor.Hydraulic pressure
Meter is compared to fuel pressure gage mode, the shortcomings that avoiding inflammable and pollution, has the advantages of Environmental Safety, but hydraulic pressure mode is often
Poor sealing and easy corrosion, produce fifth wheel.
The content of the invention
In order to solve above-mentioned technical problem present in prior art, the present invention provides a kind of pressure transducer vapour-pressure type and showed
Field calibration device.
The present invention technical solution be：A kind of pressure transducer vapour-pressure type field calibration device, its special character exist
In：Including pressure controller, pressure controller porch sets supply air line, and pressure controller exit is provided for connection and treated
Calibrate the discharge of pressure transducer；On the supply air line filtering is disposed with by air source inlet along gas conveying direction
Device, indicating value pressure gauge and hand stop valve.
Further, it is provided with safety valve between above-mentioned filter and air source inlet；The filter and indicating value pressure gauge
Between be provided with pressure-reducing valve.
Further, it is additionally provided with muffler on above-mentioned pressure controller.
Further, above-mentioned pressure controller is PACE6000 binary channels pressure controllers, PACE6000 binary channels pressure
Two pressure control units of controller connect two calibration ranges different supply air lines and two discharges respectively.
Further, above-mentioned filter is 5 μm of precision filters.
Further, the latus rectum of above-mentioned supply air line is DN6-4.
Further, above-mentioned pressure controller outlet is connected by export pipeline with discharge, the rule of the export pipeline
Lattice are φ 10 × 2, and the material of export pipeline is 0Cr18Ni9.
Further, above-mentioned discharge pipeline specification is φ 21 × 3.5, and discharge pipeline material is 0Cr18Ni9.
Further, above-mentioned discharge sets multiple sensor mounting interfaces by branch line.
Further, the pipeline specification of above-mentioned branch line is φ 8 × 2, and the material of branch line is 0Cr18Ni9.
The beneficial effects of the present invention are：The present invention is using clean gas such as nitrogen as pressurization air source, compared to fuel pressure gage
With the conventional test device such as hydraulic gage, fifth wheel can be effectively controlled, significantly improves pressure transducer field calibration efficiency, dropped
Low labor intensity.
Brief description of the drawings
Fig. 1 is pressure transducer vapour-pressure type field calibration device principle schematic of the present invention.
Fig. 2 is pressure transducer vapour-pressure type field calibration device preferred embodiment front view of the present invention.
Fig. 3 is pressure transducer vapour-pressure type field calibration device preferred embodiment side view of the present invention.
Fig. 4 is pressure transducer vapour-pressure type field calibration device preferred embodiment top view of the present invention.
Fig. 5 is pressure transducer vapour-pressure type field calibration device preferred embodiment cut-away view of the present invention.
Wherein, reference is as follows：1- safety valves, 2- filters, 3- pressure-reducing valves, 4- indicating value pressure gauges, 5- manual shutoffs
Valve, 6- pressure controllers, 7- mufflers, 8- discharges, 9- air source inlets a, 10- air source inlet b, 11- gas vent.
Embodiment
Referring to Fig. 1 to Fig. 5, the invention provides a kind of pressure transducer vapour-pressure type field calibration device, and it is preferably implemented
Example structure mainly includes pressure controller 6, and the porch of pressure controller 6 sets supply air line, and the exit of pressure controller 6 is set
For connecting the discharge 8 of pressure transducer to be calibrated；Set gradually on supply air line by air source inlet along gas conveying direction
There are filter 2, indicating value pressure gauge 4 and hand stop valve 5.Safety valve 1, filter 2 are provided between filter 2 and air source inlet
Pressure-reducing valve 3 is provided between indicating value pressure gauge 4.
Muffler 7 is additionally provided with pressure controller 6.
Pressure controller 6 is PACE6000 binary channels pressure controllers, two of PACE6000 binary channels pressure controllers
Pressure control unit connects two calibration ranges different supply air lines and two discharges respectively.Filter 2 is 5 μm of precision mistakes
Filter.The latus rectum of supply air line is DN6-4.
Pressure controller outlet is connected by export pipeline with discharge, and the specification of export pipeline is φ 10 × 2, outlet
The material on road is 0Cr18Ni9.
Discharge pipeline specification is φ 21 × 3.5, and discharge pipeline material is 0Cr18Ni9.
Discharge sets multiple sensor mounting interfaces by branch line.The pipeline specification of branch line is φ 8 × 2,
The material of branch line is 0Cr18Ni9.Sensor mounting interface is 60 ° of bulbs, and pressure to be calibrated is fixed by cap nut
Sensor.
When being calibrated to pressure transducer, the plug at sensor mounting interface of dismantling first, pass through cap nut
Pressure transducer is fixed at sensor mounting interface, and screwed up with a wrench, prevents gas leakage.Then nitrogen supply (NS) pipe is connected
Road, less than 7MPa calibration range connection Nitrogen source gases entrance a, it is less than 21MPa calibration range connection nitrogen more than 7MPa calibration ranges
Gas air source inlet b.Last operation pressure controller increases pressure release according to pressure transducer calibration gear.After calibration, pressure of dismantling
Strong sensor, and blocked sensor mounting interface with plug.
Claims (10)
- A kind of 1. pressure transducer vapour-pressure type field calibration device, it is characterised in that：Including pressure controller, pressure controller enters Supply air line is set at mouthful, and pressure controller exit is provided for connecting the discharge of pressure transducer to be calibrated；The confession On air pipe filter, indicating value pressure gauge and hand stop valve are disposed with by air source inlet along gas conveying direction.
- 2. pressure transducer vapour-pressure type field calibration device according to claim 1, it is characterised in that：The filter with Safety valve is provided between air source inlet；Pressure-reducing valve is provided between the filter and indicating value pressure gauge.
- 3. pressure transducer vapour-pressure type field calibration device according to claim 2, it is characterised in that：The Stress control Muffler is additionally provided with device.
- 4. according to any described pressure transducer vapour-pressure type field calibration device in claim 1-3, it is characterised in that：It is described Pressure controller is PACE6000 binary channels pressure controllers, two Stress control lists of PACE6000 binary channels pressure controllers Member connects two calibration ranges different supply air lines and two discharges respectively.
- 5. pressure transducer vapour-pressure type field calibration device according to claim 4, it is characterised in that：The filter is 5 μm of precision filters.
- 6. pressure transducer vapour-pressure type field calibration device according to claim 4, it is characterised in that：The supply air line Latus rectum be DN6-4.
- 7. pressure transducer vapour-pressure type field calibration device according to claim 4, it is characterised in that：The Stress control Device outlet is connected by export pipeline with discharge, and the specification of the export pipeline is φ 10 × 2, and the material of export pipeline is 0Cr18Ni9。
- 8. pressure transducer vapour-pressure type field calibration device according to claim 4, it is characterised in that：The discharge pipe Road specification is φ 21 × 3.5, and discharge pipeline material is 0Cr18Ni9.
- 9. pressure transducer vapour-pressure type field calibration device according to claim 8, it is characterised in that：The discharge leads to Cross branch line and multiple sensor mounting interfaces are set.
- 10. pressure transducer vapour-pressure type field calibration device according to claim 9, it is characterised in that：The branched pipe The pipeline specification on road is φ 8 × 2, and the material of branch line is 0Cr18Ni9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898847.XA CN107560790A (en) | 2017-09-28 | 2017-09-28 | Pressure transducer vapour-pressure type field calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898847.XA CN107560790A (en) | 2017-09-28 | 2017-09-28 | Pressure transducer vapour-pressure type field calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107560790A true CN107560790A (en) | 2018-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710898847.XA Pending CN107560790A (en) | 2017-09-28 | 2017-09-28 | Pressure transducer vapour-pressure type field calibration device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113703A (en) * | 2020-09-08 | 2020-12-22 | 安徽江淮汽车集团股份有限公司 | Engine pressure sensor testing device |
| CN112556925A (en) * | 2020-12-03 | 2021-03-26 | 西安近代化学研究所 | Performance testing device and method for pressure sensor for gunpowder vacuum stability test |
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| CN203216669U (en) * | 2013-02-28 | 2013-09-25 | 福建省长汀金龙稀土有限公司 | Pressure checking apparatus |
| CN104568308A (en) * | 2013-10-28 | 2015-04-29 | 珠海格力电器股份有限公司 | Detection device, method and system of pressure sensor |
| CN204346638U (en) * | 2014-12-12 | 2015-05-20 | 西安航天计量测试研究所 | A kind of pressure calibration/calibrating installation |
| CN204439279U (en) * | 2015-01-09 | 2015-07-01 | 开封龙宇化工有限公司 | A kind of Pneumatic pressure table calibration equipment |
| CN205157113U (en) * | 2015-11-03 | 2016-04-13 | 天津市天发重型水电设备制造有限公司 | Dynamic pressure sensor calibration equipment |
| CN106644266A (en) * | 2016-12-23 | 2017-05-10 | 中国南方航空工业(集团)有限公司 | Pressure sensor detection equipment |
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2017
- 2017-09-28 CN CN201710898847.XA patent/CN107560790A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202547864U (en) * | 2012-01-19 | 2012-11-21 | 中国航天员科研训练中心 | Portable detector for gas pressure gage |
| CN203216669U (en) * | 2013-02-28 | 2013-09-25 | 福建省长汀金龙稀土有限公司 | Pressure checking apparatus |
| CN104568308A (en) * | 2013-10-28 | 2015-04-29 | 珠海格力电器股份有限公司 | Detection device, method and system of pressure sensor |
| CN204346638U (en) * | 2014-12-12 | 2015-05-20 | 西安航天计量测试研究所 | A kind of pressure calibration/calibrating installation |
| CN204439279U (en) * | 2015-01-09 | 2015-07-01 | 开封龙宇化工有限公司 | A kind of Pneumatic pressure table calibration equipment |
| CN205157113U (en) * | 2015-11-03 | 2016-04-13 | 天津市天发重型水电设备制造有限公司 | Dynamic pressure sensor calibration equipment |
| CN106644266A (en) * | 2016-12-23 | 2017-05-10 | 中国南方航空工业(集团)有限公司 | Pressure sensor detection equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113703A (en) * | 2020-09-08 | 2020-12-22 | 安徽江淮汽车集团股份有限公司 | Engine pressure sensor testing device |
| CN112556925A (en) * | 2020-12-03 | 2021-03-26 | 西安近代化学研究所 | Performance testing device and method for pressure sensor for gunpowder vacuum stability test |
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Application publication date: 20180109 |