CN115111530B - Decompression exhaust device of high-pressure gas cylinder - Google Patents
Decompression exhaust device of high-pressure gas cylinder Download PDFInfo
- Publication number
- CN115111530B CN115111530B CN202210549155.5A CN202210549155A CN115111530B CN 115111530 B CN115111530 B CN 115111530B CN 202210549155 A CN202210549155 A CN 202210549155A CN 115111530 B CN115111530 B CN 115111530B
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- gas cylinder
- pressure
- pressure gas
- electric explosion
- explosion valve
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- 230000006837 decompression Effects 0.000 title claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 70
- 238000004880 explosion Methods 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000003466 welding Methods 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003999 initiator Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a decompression and exhaust device of a high-pressure gas cylinder, which comprises a high-pressure gas cylinder body, an electric explosion valve and a pressure reducer, wherein the electric explosion valve and the pressure reducer are fixed in the high-pressure gas cylinder body, an inlet of the pressure reducer and an outlet of the electric explosion valve are welded into a whole, an air inlet of the electric explosion valve is exposed in the gas cylinder, the inlet of the electric explosion valve is communicated with high-pressure gas in the gas cylinder, an exploder is arranged at the other end of the electric explosion valve and positioned outside the high-pressure gas cylinder body, and an air outlet of the pressure reducer is positioned outside the high-pressure gas cylinder body. The invention integrates the design of the gas circuit supercharging device, integrates the pressure reducer and the electric explosion valve in the high-pressure gas cylinder, and the whole device is in threaded connection without a pipe, so that the connection sealing links are reduced, the sealing reliability of the device is improved, the requirements of miniaturization and high reliability are met, and the electric explosion valve can be stored and sealed in the high-pressure gas cylinder for a long time.
Description
Technical Field
The invention belongs to the technical field of high-pressure gas cylinder devices, and particularly relates to an integrated electric explosion type high-pressure gas cylinder decompression and exhaust device.
Background
The device is mainly used for storing high-pressure gas in a high-pressure gas cylinder, when the stable pressure work output is needed, the electric explosion valve at the rear end of the high-pressure gas cylinder is detonated, the channel between the gas cylinder and the pressure reducer is communicated, so that the gas cylinder starts to exhaust, and the gas flows into the pressure reducer through the pipeline to be decompressed and then is stably output to a target position. The prior technical proposal is that a gas cylinder, an electric explosion valve and a pressure reducer are sequentially connected through a pipeline and are fixed outside, and the pressure reducer is arranged above the gas cylinder and is fixed by bolts. The prior art has the defects that: the most basic requirements of a power system for the aerospace field on products are weight and space occupation ratio, the smaller the space occupied by the products is, the lighter the weight is, and the less energy is consumed in the flying process, so that the connection and assembly modes of the existing products have competitive advantages in the industry, the assembly space cannot be fully utilized, the special-shaped structure of the pressure reducer occupies larger space, meanwhile, the pipeline connection is complicated, over-constraint exists, and the reliability of the connection sealing link is poor.
Disclosure of Invention
The invention solves the technical problems of large product space occupation ratio and complicated pipeline connection, and is unfavorable for sealing based on the current requirements of miniaturization, integration, low cost and high reliability in the aerospace field.
The technical scheme adopted by the invention is as follows: the utility model provides a high-pressure gas cylinder decompression exhaust apparatus, includes high-pressure gas cylinder, electricity explodes valve, pressure reducer, electricity explodes valve and pressure reducer and is fixed in the high-pressure gas cylinder body inside, and pressure reducer import and electricity explode valve export welding as an organic wholely, and electricity explodes valve air inlet and exposes in the gas cylinder inside, and electricity explodes valve air inlet and the high-pressure gas intercommunication in the gas cylinder, the other end installation initiator of electricity explodes valve is located the high-pressure gas cylinder body outside, the gas outlet of pressure reducer is located the high-pressure gas cylinder body outside.
Preferably, the pressure reducer is reverse non-unloading type, the elastic element is a metal diaphragm, and after the pressure reducer is debugged, the upper and lower blocking caps and the adjusting screw of the pressure reducer are welded and sealed, and the main spring cavity of the pressure reducer is connected with the external pressure hole through the communication hole.
The effect is that: the connecting sealing links are reduced, the sealing reliability of the product is improved, the pressure reducer is free of nonmetallic parts, the metal diaphragm is used as an elastic element, after the debugging according to the regulated outlet pressure is finished, the debugging screw is welded and sealed, so that the requirements of miniaturization and high reliability are met, the main spring cavity of the pressure reducer is ensured to be communicated with the external pressure, and the pressure reducer has better environmental adaptability.
Preferably, the electric explosion valve adopts a double-sealing metal diaphragm.
The effect is that: the electric explosion valve is sealed by an external ring welding structure between the metal diaphragm and the shell before being opened, compared with the common rubber ring, the electric explosion valve can achieve the effect of small gas leakage under long-term storage, and realize long-term storage sealing in a high-pressure gas cylinder.
Preferably, the joints among the high-pressure gas cylinder body, the electric explosion valve and the pressure reducer are all welded.
The effect is that: the whole device is in threaded connection without a pipe, so that the connection sealing links are reduced, and the sealing reliability of the device is improved.
A processing technology of a decompression and exhaust device of a high-pressure gas cylinder comprises the following steps:
step 1, assembling a pressure reducer, debugging the pressure reducer and welding the pressure reducer;
step 2, assembling the electric explosion valve, welding an outlet of the electric explosion valve and an inlet of the pressure reducer;
step 3, butt-jointing the high-pressure gas bottle half-bottle body with the structure of the step 2, welding and sealing an outlet of the pressure reducer with the high-pressure gas bottle half-bottle body, and welding and sealing an electric explosion valve with the high-pressure gas bottle half-bottle body;
step 4, butting and welding the other half of the high-pressure gas cylinder;
step 5, installing an exploder;
and 6, filling high-pressure gas into the high-pressure gas cylinder through a gas cylinder charging nozzle, wherein the pressure born by the high-pressure gas cylinder is less than or equal to 30Mpa, the volume of the high-pressure gas cylinder is more than or equal to 3L, and the adjustable rated pressure range of the high-pressure gas cylinder after decompression is 0.5-3 MPa.
The beneficial effects of the invention are as follows: the invention integrates the design of the gas circuit supercharging device, integrates the pressure reducer and the electric explosion valve in the high-pressure gas cylinder, designs a gas cylinder integrated structure with the built-in pressure reducer, the whole device is in threaded connection without pipes, reduces the connecting and sealing links, simultaneously integrates the special-shaped pressure reducer structure in the gas cylinder, fully utilizes the space around the pressure reducer to fill the high-pressure gas while filling the gas cylinder cavity with the high-pressure gas, adopts welding and sealing among the pressure reducer, the electric explosion valve and the gas cylinder, reduces the connecting and sealing links, improves the sealing reliability of products, does not have nonmetallic parts, adopts a metal diaphragm as an elastic element, and performs welding and sealing on a screw for debugging after the debugging according to the regulated outlet pressure so as to meet the requirements of miniaturization and high reliability, and the electric explosion valve adopts the design of double-sealing metal diaphragms to realize long-term storage and sealing in the high-pressure gas cylinder.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a decompression and exhaust device of a high-pressure gas cylinder;
FIG. 2 is a schematic diagram of a partial enlarged structure of a decompression and exhaust device of a high-pressure gas cylinder;
fig. 3 is a schematic diagram of the back structure of the gas cylinder.
Reference numerals: the device comprises a 1-high-pressure gas cylinder, a 2-electric explosion valve, a 3-pressure reducer, a 4-gas outlet, a 5-gas inlet hole, a 6-initiator, a 7-communication hole and an 8-external pressure hole.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 and 2, a decompression exhaust device for a high-pressure gas cylinder comprises a high-pressure gas cylinder 1, an electric explosion valve 2 and a pressure reducer 3, wherein the electric explosion valve 2 adopts a double-seal metal membrane, the electric explosion valve 2 and the pressure reducer 3 are fixed in the interior of the high-pressure gas cylinder 1, an inlet of the pressure reducer 3 and an outlet of the electric explosion valve 2 are welded into a whole, an air inlet of the electric explosion valve 2 is exposed in the interior of the high-pressure gas cylinder 1, the air inlet of the electric explosion valve 2 is communicated with high-pressure gas in the high-pressure gas cylinder 1, an exploder 6 is arranged at the other end of the electric explosion valve 2 and positioned outside the high-pressure gas cylinder 1, and an air outlet 4 of the pressure reducer 3 is positioned outside the high-pressure gas cylinder 1. The pressure reducer 3 is reverse non-unloading type, the elastic element is a metal diaphragm, after the pressure reducer 3 is debugged, the upper and lower blocking caps and the adjusting screws of the pressure reducer 3 are welded and sealed, as shown in fig. 2 and 3, the main spring cavity of the pressure reducer 3 is connected with the external pressure hole 8 through the communication hole 7. The connection parts among the bottle body of the high-pressure gas bottle 1, the electric explosion valve 2 and the pressure reducer 3 are all welded.
The processing technology of the high-pressure gas cylinder decompression and exhaust device is as follows:
step 1, assembling the pressure reducer 3, debugging the pressure reducer 3 and sealing the pressure reducer 3, assembling and assembling all internal structural parts of the pressure reducer 3, debugging the assembled pressure reducer 3, primarily or directly decompressing high-pressure gas in the high-pressure gas cylinder 1 to a specified pressure when the device starts to work, welding and sealing upper and lower blocking caps and adjusting screws of the pressure reducer 3 after debugging is finished, and sealing a threaded connection part of the pressure reducer 3 to ensure that the inner cavity of the pressure reducer 3 is isolated from the inner cavity of the high-pressure gas cylinder 1;
step 2, assembling the electric explosion valve 2, welding an outlet of the electric explosion valve 2 and an inlet of the pressure reducer 3, assembling all internal structural parts of the electric explosion valve 2, and assembling the assembled electric explosion valve 2 and the pressure reducer 3 to weld the outlet of the electric explosion valve 2 and the inlet of the pressure reducer 3 into a whole;
step 3, in order to facilitate assembly, the high-pressure gas cylinder 1 is designed to be of a two-body structure, the half-body of the high-pressure gas cylinder 1 is in butt joint with the structure of the step 2, the gas outlet 4 of the pressure reducer 3 is positioned outside the high-pressure gas cylinder 1, the gas outlet 4 of the pressure reducer 3 is welded and sealed into a whole at the joint of the half-body of the high-pressure gas cylinder 1, one end of the initiator 6 of the electric explosion valve 2 is positioned outside the high-pressure gas cylinder 1, and the joint of the electric explosion valve 2 and the half-body of the high-pressure gas cylinder 1 is welded and sealed into a whole, so that the exposed structure of the high-pressure gas cylinder 1 and the contact part of the high-pressure gas cylinder 1 are completely welded and sealed;
step 4, butting and welding the other half of the high-pressure gas cylinder 1;
step 5, installing an exploder 6;
and 6, filling high-pressure air into the high-pressure air cylinder 1 through an air cylinder charging nozzle.
The pressure born by the high-pressure gas cylinder is less than or equal to 30Mpa, the volume of the high-pressure gas cylinder is more than or equal to 3L, and the adjustable rated pressure range of the gas high-pressure gas cylinder after decompression is 0.5-3 Mpa.
The invention mainly works on the principle that:
when the device starts to work, the exploder 6 explodes, and huge thrust pushes the cutter to cut off the metal membrane inside the explosion valve 2, at the moment, high-pressure gas in the high-pressure gas cylinder 1 enters from the gas inlet air hole 5 and flows into the pressure reducer 3, and after throttling and decompressing through the pressure reducing valve, the high-pressure gas flows out from the gas outlet 4.
The foregoing describes specific embodiments of the present invention and the technical principles applied, and any modifications and equivalent changes based on the technical solutions of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a high-pressure gas cylinder decompression exhaust apparatus which characterized in that: the high-pressure gas cylinder is characterized by comprising a high-pressure gas cylinder body, an electric explosion valve and a pressure reducer, wherein the electric explosion valve and the pressure reducer are fixed in the high-pressure gas cylinder body, an inlet of the pressure reducer is welded with an outlet of the electric explosion valve into a whole, an air inlet of the electric explosion valve is exposed in the gas cylinder, the air inlet of the electric explosion valve is communicated with high-pressure gas in the gas cylinder, an exploder is arranged at the other end of the electric explosion valve and positioned outside the high-pressure gas cylinder body, an air outlet of the pressure reducer is positioned outside the high-pressure gas cylinder body, the pressure reducer is a reverse non-unloading type elastic element which is a metal diaphragm, after the pressure reducer is debugged, an upper blocking cap and a lower blocking cap of the pressure reducer are welded and an adjusting screw are welded and sealed, a main spring cavity of the pressure reducer is connected with an external pressure hole through a communication hole, and the joints among the high-pressure gas cylinder body, the electric explosion valve and the pressure reducer are welded.
2. The high-pressure gas cylinder decompression and exhaust device according to claim 1, wherein: the electric explosion valve adopts a double-seal metal diaphragm.
3. The decompression and exhaust device for high-pressure gas cylinders according to claim 1, wherein the processing technology of the device is as follows:
step 1, assembling a pressure reducer, debugging the pressure reducer and welding the pressure reducer;
step 2, assembling the electric explosion valve, welding an outlet of the electric explosion valve and an inlet of the pressure reducer;
step 3, butt-jointing the high-pressure gas bottle half-bottle body with the structure of the step 2, welding and sealing an outlet of the pressure reducer with the high-pressure gas bottle half-bottle body, and welding and sealing an electric explosion valve with the high-pressure gas bottle half-bottle body;
step 4, butting and welding the other half of the high-pressure gas cylinder;
step 5, installing an exploder;
and 6, filling high-pressure gas into the high-pressure gas cylinder through a gas cylinder charging nozzle, wherein the pressure born by the high-pressure gas cylinder is less than or equal to 30Mpa, the volume of the high-pressure gas cylinder is more than or equal to 3L, and the adjustable rated pressure range of the high-pressure gas cylinder after decompression is 0.5-3 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210549155.5A CN115111530B (en) | 2022-05-20 | 2022-05-20 | Decompression exhaust device of high-pressure gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210549155.5A CN115111530B (en) | 2022-05-20 | 2022-05-20 | Decompression exhaust device of high-pressure gas cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115111530A CN115111530A (en) | 2022-09-27 |
| CN115111530B true CN115111530B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210549155.5A Active CN115111530B (en) | 2022-05-20 | 2022-05-20 | Decompression exhaust device of high-pressure gas cylinder |
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| CN (1) | CN115111530B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0884521A1 (en) * | 1997-05-15 | 1998-12-16 | Delegation Generale Pour L'armement, Bureau De La Propriete Industrielle D.R.E.T. | Gas supplying assembly for connection to a high pressure gas container |
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| KR20050066966A (en) * | 2004-08-24 | 2005-06-30 | 이종태 | Apparatus for prohibiting explosion of gas can for portable gas burner |
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| CN211502322U (en) * | 2019-06-24 | 2020-09-15 | 西安航天动力研究所 | Pre-packaged storage module for storing high-pressure gas for long time |
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| CN113375054A (en) * | 2021-01-11 | 2021-09-10 | 北京航空航天大学 | Valve combination device with electric explosion valve in front |
| CN113685593A (en) * | 2021-08-20 | 2021-11-23 | 沈阳航天新光集团有限公司 | A gas explosion type decompression module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003090499A (en) * | 2001-09-19 | 2003-03-28 | Samtec Kk | High pressure tank device |
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2022
- 2022-05-20 CN CN202210549155.5A patent/CN115111530B/en active Active
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| EP0884521A1 (en) * | 1997-05-15 | 1998-12-16 | Delegation Generale Pour L'armement, Bureau De La Propriete Industrielle D.R.E.T. | Gas supplying assembly for connection to a high pressure gas container |
| KR200344343Y1 (en) * | 2003-12-26 | 2004-03-10 | 이종태 | Apparatus for prohibiting explosion of gas can for portable gas burner |
| KR20050066966A (en) * | 2004-08-24 | 2005-06-30 | 이종태 | Apparatus for prohibiting explosion of gas can for portable gas burner |
| CN101418910A (en) * | 2008-11-28 | 2009-04-29 | 同济大学 | Integral bottle valve FOR vehicle-mounted high-pressure hydrogen storing bottle |
| CN204114566U (en) * | 2014-09-26 | 2015-01-21 | 上海舜华新能源系统有限公司 | A kind of integrated cylinder valve for high-pressure gas cylinder |
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| TWI625486B (en) * | 2017-07-12 | 2018-06-01 | Inflatable joint that can wirelessly transmit air pressure data to an electronic device and its combination with a high pressure gas cylinder | |
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| CN113375054A (en) * | 2021-01-11 | 2021-09-10 | 北京航空航天大学 | Valve combination device with electric explosion valve in front |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115111530A (en) | 2022-09-27 |
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