CN103644936A - A measurement apparatus used for a low temperature pressure accumulator - Google Patents
A measurement apparatus used for a low temperature pressure accumulator Download PDFInfo
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- CN103644936A CN103644936A CN201310597101.7A CN201310597101A CN103644936A CN 103644936 A CN103644936 A CN 103644936A CN 201310597101 A CN201310597101 A CN 201310597101A CN 103644936 A CN103644936 A CN 103644936A
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- filling valve
- gas filling
- heat
- low temperature
- insulating block
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Abstract
A measurement apparatus used for a low temperature pressure accumulator comprises a conductive pipe, a pressure sensor, a charge valve, a temperature sensor, a first tee joint, a second tee joint, an upper heat insulation block, a lower heat insulation block, a clamp, a charge valve heat insulation block and a U-shaped clasp. One end of the first tee joint is welded on a sylphon of the low temperature pressure accumulator and is communicated with the sylphon. Furthermore, the two ends of the first tee joint are respectively connected with the temperature sensor and the conductive pipe. The conductive pipe is colligated and fixed along a flange of the sylphon. The other end of the conductive pipe is respectively connected with the pressure sensor and the charge valve through the second tee joint. The temperature sensor is fixedly installed on the sylphon. The upper heat insulation block and the lower heat insulation block clad the pressure sensor. The clamp fixes the clad pressure sensor on the sylphon. The charge valve is fixedly installed on the sylphon, and a heat insulation apparatus is between the charge valve and the sylphon. Through the effective installation and the reasonable layout, the measurement apparatus is laid out on the sylphon, and the normal temperature pressure sensor and the normal temperature charge valve can be applied to the low temperature pressure accumulator.
Description
Technical field
The present invention relates to a kind of measurement mechanism for Low Temperature Storage depressor.
Background technology
Current domestic carrier rocket accumulator used is normal temperature accumulator, and measurement mechanism is comprised of pressure transducer and gas filling valve.The design that still belongs to the first time at home of Low Temperature Storage depressor, measuring system is comprised of pressure transducer, temperature sensor, gas filling valve, conduit.Because Low Temperature Storage depressor physical dimension is limited, measurement products is more, and Low Temperature Storage depressor internal temperature is liquid oxygen temperature, and pressure transducer and gas filling valve are only applicable to normal temperature environment, so the mounting arrangement of measurement mechanism, and Pressure of Ambient Temperature sensor and gas filling valve are applied to the emphasis that Low Temperature Storage depressor is technological breakthrough.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, a kind of measurement mechanism for Low Temperature Storage depressor is provided, solved the mounting arrangement problem of measurement mechanism, and Pressure of Ambient Temperature sensor and gas filling valve are applied to the problem of Low Temperature Storage depressor.
Technical solution of the present invention is:
A measurement mechanism for Low Temperature Storage depressor, comprising: conduit, pressure transducer, gas filling valve, temperature sensor, the first threeway, the second threeway, upper heat-insulating block, lower heat-insulating block, clip, gas filling valve heat-insulating block and U-shaped snap ring;
One end of the first threeway is welded on the bellows of described Low Temperature Storage depressor and is communicated with bellows, two ends are connected with conduit with temperature sensor respectively in addition, conduit is fixed along the colligation of described bellows flange, and the conduit other end is connected with gas filling valve with pressure transducer respectively by the second threeway; Temperature sensor is fixedly mounted on described bellows, upper heat-insulating block and lower heat-insulating block are coated by pressure transducer, clip is fixed on the pressure transducer being coated on described bellows, and gas filling valve is fixedly mounted on described bellows and between gas filling valve and bellows heat-proof device.
Described conduit is communicated with pressure transducer, gas filling valve, temperature sensor, the first threeway and the second threeway.
Described conduit is metal material.
Described heat-proof device comprises gas filling valve heat-insulating block and U-shaped snap ring; Gas filling valve heat-insulating block is connected with described bellows by dormant bolt, and U-shaped snap ring is fixedly connected with gas filling valve through gas filling valve heat-insulating block with gas filling valve heat-insulating block.
The present invention's beneficial effect is compared with prior art:
The present invention is by effectively installing and rational deployment, the measurement products (comprising pressure transducer, temperature sensor, gas filling valve, conduit) of Low Temperature Storage depressor is installed on bellows, system independence is stronger, easy accessibility, maintainability is good, and makes Pressure of Ambient Temperature sensor and normal temperature gas filling valve can be applied to Low Temperature Storage depressor.
Accompanying drawing explanation
Fig. 1 is Low Temperature Storage depressor measurement mechanism structural representation of the present invention;
Fig. 2 is measurement mechanism side view.
Embodiment
As shown in Figure 1 and Figure 2, the invention provides a kind of measurement mechanism for Low Temperature Storage depressor, comprise: conduit 1, pressure transducer 2, gas filling valve 3, temperature sensor 4, the first threeway 5, the second threeway 6, upper heat-insulating block 7, lower heat-insulating block 8, clip 9, gas filling valve heat-insulating block 10 and U-shaped snap ring 11, conduit 1 is metal material;
One end of the first threeway 5 is welded on the bellows of described Low Temperature Storage depressor and is communicated with bellows, two ends are connected with conduit 1 with temperature sensor 4 respectively in addition, conduit 1 is fixed along the colligation of described bellows flange, conduit 1 other end is connected with gas filling valve 3 with pressure transducer 2 respectively by the second threeway 6, and conduit 1 is by being upgraded to normal temperature by the gas temperature that arrives pressure transducer 2 and gas filling valve 3 by liquid oxygen temperature with atmospheric heat transmission; Temperature sensor 4 is fixedly mounted on described bellows, upper heat-insulating block 7 and lower heat-insulating block 8 are coated by pressure transducer 2, clip 9 is fixed on the pressure transducer being coated 2 on described bellows, gas filling valve 3 is fixedly mounted on described bellows and between gas filling valve 3 and bellows heat-proof device, and heat-proof device comprises gas filling valve heat-insulating block 10 and U-shaped snap ring 11; Gas filling valve heat-insulating block 10 is connected with described bellows by dormant bolt, and U-shaped snap ring 11 is fixedly connected with gas filling valve 3 through gas filling valve heat-insulating block 10 with gas filling valve heat-insulating block 10.Described conduit 1 is communicated with pressure transducer 2, gas filling valve 3, temperature sensor 4, the first threeway 7 and the second threeway 6.
Bellows is the critical function assembly of accumulator, and bellows structure changes according to the variation of accumulator internal pressure, realizes the function that accumulator suppresses coupled vibrations.
Principle of work of the present invention: temperature sensor is connected with the first threeway, pressure transducer, gas filling valve are fixed on bellows, by conduit and the second threeway, bellows is connected with pressure transducer, gas filling valve, realizes the mounting arrangement of whole measurement mechanism on bellows.Between pressure transducer, gas filling valve and capsule stack, by heat-insulating block, carry out thermal insulation, and transmit by the heat between catheter interior gas and ambient atmosphere, the gas temperature that arrives pressure transducer and gas filling valve is upgraded to normal temperature by liquid oxygen temperature, reaches the object that Pressure of Ambient Temperature sensor and normal temperature gas filling valve are applied to Low Temperature Storage depressor.
Claims (4)
1. for a measurement mechanism for Low Temperature Storage depressor, it is characterized in that comprising: conduit (1), pressure transducer (2), gas filling valve (3), temperature sensor (4), the first threeway (5), the second threeway (6), upper heat-insulating block (7), lower heat-insulating block (8), clip (9), gas filling valve heat-insulating block (10) and U-shaped snap ring (11);
One end of the first threeway (5) is welded on the bellows of described Low Temperature Storage depressor and is communicated with bellows, two ends are connected with conduit (1) with temperature sensor (4) respectively in addition, conduit (1) is fixed along the colligation of described bellows flange, and conduit (1) other end is connected with gas filling valve (3) with pressure transducer (2) respectively by the second threeway (6); Temperature sensor (4) is fixedly mounted on described bellows, upper heat-insulating block (7) and lower heat-insulating block (8) are coated by pressure transducer (2), clip (9) is fixed on the pressure transducer being coated (2) on described bellows, gas filling valve (3) be fixedly mounted on described bellows and gas filling valve (3) and bellows between have heat-proof device.
2. a kind of measurement mechanism for Low Temperature Storage depressor according to claim 1, is characterized in that: described conduit (1) is communicated with pressure transducer (2), gas filling valve (3), temperature sensor (4), the first threeway (5) and the second threeway (6).
3. a kind of measurement mechanism for Low Temperature Storage depressor according to claim 1, is characterized in that: described conduit (1) is metal material.
4. a kind of measurement mechanism for Low Temperature Storage depressor according to claim 1, is characterized in that: described heat-proof device comprises gas filling valve heat-insulating block (10) and U-shaped snap ring (11); Gas filling valve heat-insulating block (10) is connected with described bellows by dormant bolt, and U-shaped snap ring (11) is fixedly connected with gas filling valve (3) through gas filling valve heat-insulating block (10) with gas filling valve heat-insulating block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310597101.7A CN103644936B (en) | 2013-11-22 | 2013-11-22 | A kind of measurement mechanism for Low Temperature Storage depressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310597101.7A CN103644936B (en) | 2013-11-22 | 2013-11-22 | A kind of measurement mechanism for Low Temperature Storage depressor |
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| CN103644936A true CN103644936A (en) | 2014-03-19 |
| CN103644936B CN103644936B (en) | 2015-11-04 |
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| CN201310597101.7A Active CN103644936B (en) | 2013-11-22 | 2013-11-22 | A kind of measurement mechanism for Low Temperature Storage depressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976309A (en) * | 2017-11-20 | 2018-05-01 | 北京宇航系统工程研究所 | A kind of accumulator bellows pressure cyclic test system and test method |
| CN111924138A (en) * | 2020-09-21 | 2020-11-13 | 蓝箭航天空间科技股份有限公司 | Special diaphragm box inflation and pressure measurement device for low-temperature aerospace carrier |
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| EP0350612A2 (en) * | 1988-07-11 | 1990-01-17 | Robert Bosch Gmbh | Measuring arrangement for establishing pressure and temperature |
| EP0893676A2 (en) * | 1997-07-24 | 1999-01-27 | Texas Instruments Incorporated | Combined pressure responsive transducer and temperature sensor apparatus |
| WO2007071017A1 (en) * | 2005-12-23 | 2007-06-28 | Westport Power Inc. | Apparatus and method for pumping a cryogenic fluid from a storage vessel and diagnosing cryogenic pump performance |
| CN201149496Y (en) * | 2008-01-22 | 2008-11-12 | 南京高华科技有限公司 | Pipe type installation structure pressure temperature sensor |
| CN201166022Y (en) * | 2008-02-27 | 2008-12-17 | 长沙中联重工科技发展股份有限公司 | Hydraulic pressure accumulator oil cylinder for crane |
| CN201348557Y (en) * | 2009-01-23 | 2009-11-18 | 广东省建筑科学研究院 | Air leakage rate field test apparatus for air conditioner |
| CN203100779U (en) * | 2013-01-21 | 2013-07-31 | 郑州广众科技发展有限公司 | Combination air bag temperature and pressure detection device |
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2013
- 2013-11-22 CN CN201310597101.7A patent/CN103644936B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0350612A2 (en) * | 1988-07-11 | 1990-01-17 | Robert Bosch Gmbh | Measuring arrangement for establishing pressure and temperature |
| EP0893676A2 (en) * | 1997-07-24 | 1999-01-27 | Texas Instruments Incorporated | Combined pressure responsive transducer and temperature sensor apparatus |
| WO2007071017A1 (en) * | 2005-12-23 | 2007-06-28 | Westport Power Inc. | Apparatus and method for pumping a cryogenic fluid from a storage vessel and diagnosing cryogenic pump performance |
| CN201149496Y (en) * | 2008-01-22 | 2008-11-12 | 南京高华科技有限公司 | Pipe type installation structure pressure temperature sensor |
| CN201166022Y (en) * | 2008-02-27 | 2008-12-17 | 长沙中联重工科技发展股份有限公司 | Hydraulic pressure accumulator oil cylinder for crane |
| CN201348557Y (en) * | 2009-01-23 | 2009-11-18 | 广东省建筑科学研究院 | Air leakage rate field test apparatus for air conditioner |
| CN203100779U (en) * | 2013-01-21 | 2013-07-31 | 郑州广众科技发展有限公司 | Combination air bag temperature and pressure detection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976309A (en) * | 2017-11-20 | 2018-05-01 | 北京宇航系统工程研究所 | A kind of accumulator bellows pressure cyclic test system and test method |
| CN111924138A (en) * | 2020-09-21 | 2020-11-13 | 蓝箭航天空间科技股份有限公司 | Special diaphragm box inflation and pressure measurement device for low-temperature aerospace carrier |
| CN111924138B (en) * | 2020-09-21 | 2021-01-01 | 蓝箭航天空间科技股份有限公司 | Special diaphragm box inflation and pressure measurement device for low-temperature aerospace carrier |
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| CN103644936B (en) | 2015-11-04 |
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