CN219955038U - Onboard high-pressure helium bottle valve assembly - Google Patents
Onboard high-pressure helium bottle valve assembly Download PDFInfo
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- CN219955038U CN219955038U CN202320939318.0U CN202320939318U CN219955038U CN 219955038 U CN219955038 U CN 219955038U CN 202320939318 U CN202320939318 U CN 202320939318U CN 219955038 U CN219955038 U CN 219955038U
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- 239000001307 helium Substances 0.000 title claims abstract description 18
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 18
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 145
- 238000004880 explosion Methods 0.000 claims description 51
- 238000007789 sealing Methods 0.000 claims description 17
- 239000003999 initiator Substances 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses an airborne high-pressure helium bottle valve assembly, which comprises a bottle body and a gas source device release valve, wherein the opening end of the bottle body is connected with the gas source device release valve, the back surface of the gas source device release valve is connected with an electric detonator, the back surface of the electric detonator is provided with an electric connector, and the electric connector is connected with an electric detonator circuit.
Description
Technical Field
The utility model relates to the technical field of aerospace, in particular to an airborne high-pressure helium bottle valve assembly.
Background
The helium bottle is designed according to the specification of the national standard GB17268-1998, the manufactured national standard is not filled with the steel bottle repeatedly, and the steel bottle is manufactured by a production line authenticated by the national quality supervision and inspection and quarantine administration ISO9001-2000 quality system, belongs to the DR4 grade (now divided into B3 grade) special gas bottle products of the steel bottle, and the steel bottle is tested and delivered after pressure test. The onboard helium bottle valve assembly on the current domestic market has the following disadvantages: 1. the bottle valve assembly has the common problems of air leakage and poor tightness under the environmental influences of high and low temperature, low air pressure, vibration and the like; 2. the bottle body is unreasonable in structural design, so that the weight of the bottle body is too heavy; 3. ignition initiation is unreliable.
Therefore, how to design an onboard high-pressure helium bottle valve assembly is a current problem to be solved.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an onboard high-pressure helium bottle valve assembly, which solves the problems of poor tightness of the bottle valve assembly in a low-temperature low-pressure high-altitude environment, higher bottle weight and unreliable starting of the device.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an airborne high pressure helium bottle valve subassembly, includes bottle and air supply device relief valve, and the open end of bottle is connected with air supply device relief valve, and the back of air supply device relief valve is connected with electric detonator, and electric detonator back is equipped with electric connector, and electric connector and electric detonator circuit connection.
Further, the gas source device release valve comprises an inflation combination valve, the inflation combination valve is connected with the opening end of the bottle body through a connecting pipe arranged on the front face, a gas input chamber is arranged in the connecting pipe and communicated with the space in the bottle body, a gas output chamber and a gas control chamber are arranged in the inflation combination valve, the gas output chamber is arranged at the bottom of the gas control chamber and communicated with the gas output chamber, and the gas output chamber and the gas input chamber are communicated with each other.
Further, the gas electric explosion device further comprises a gas electric explosion chamber, the gas electric explosion chamber is arranged on the back of the gas control chamber and the gas output chamber, the gas electric explosion chamber is communicated with the gas control chamber through a hollow cavity, a cutoff valve core is movably connected between the gas output chamber and the gas control chamber, an orifice is arranged at the center part of one surface of the cutoff valve core, which is close to the gas input chamber, the inside of the cutoff valve core is provided with a cavity, the top of the cavity is provided with an opening, the orifice is communicated with the cavity arranged inside the cutoff valve core, the diameter of the gas control chamber is larger than that of the gas output chamber, the diameter of the upper part of the center of the cutoff valve core is smaller than that of the gas control chamber, an electric explosion tube mandrel is movably connected inside the gas electric explosion chamber, a retainer ring and a star-shaped sealing ring are arranged on the surface of the electric explosion tube mandrel, and the specific connection mode of the gas source device release valve and the electric explosion device is as follows: the back of the gas electric explosion chamber inside the gas-filled combined valve is provided with a connector, the connector is internally provided with a connector, the connector is communicated with the gas electric explosion chamber, an electric initiator is connected in the connector, a piston rod is arranged at the top of the gas control chamber, the surface of the piston rod is provided with a spring, the length of the spring is consistent with that of the piston rod, the length of the piston rod is identical with that of a cavity arranged inside the cut-off valve core, the diameter of the piston rod is smaller than that of the cavity, a spring is also arranged between the bottom of the electric explosion tube mandrel and the gas electric explosion chamber, the surface of the bottom of the gas-filled combined valve is provided with two gas outlets, the gas outlets are communicated with the gas output chamber, and the top of the gas-filled combined valve is provided with a gas outlet and communicated with the gas electric explosion chamber.
Further, the electric initiator adopts a double-bridge double-path initiator.
Further, the bottle body is made of alloy or composite material, and the whole surface of the bottle body is of a winding type.
Further, the pressure sensor is fixed below the electric detonator and is used for detecting the air pressure in the release valve of the air source device.
Further, the combined valve also comprises a pressure gauge, wherein the pressure gauge is fixed on the front surface of the combined valve and is electrically connected with the pressure sensor.
Further, the electric explosion device also comprises a filter disc which is arranged at the bottom of the gas electric explosion chamber.
Further, the device also comprises a safety valve, wherein the safety valve is arranged on the front surface of the inflation combination valve and is communicated with the gas input cavity in the inflation combination valve.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the utility model, through the valve body structure and two sealing modes inside the valve body structure, the assembly is not easy to leak air when not in use, and the high-temperature 70 ℃ and low-temperature 55 ℃ temperature-humidity-height test and flight test prove that the product has good sealing performance in high-low temperature and low air pressure environments.
(2) The dual-bridge dual-path initiator is adopted, so that the device has higher reliability when the device is in deflation starting under the condition that one path of the dual-bridge dual-path initiator fails and the other path is normal and the normal power-on initiation is realized.
(3) According to the utility model, the alloy or composite material bottle body is adopted, and the whole surface of the bottle body is of a winding line type design, so that the weight of the bottle body is reduced from 9.8Kg required by indexes to below 9.3Kg, and the whole bottle body is lighter.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic diagram of the release valve of the air source device of the present utility model.
Fig. 3 is a schematic diagram of the sealing state of the present utility model.
Fig. 4 is a schematic diagram of the post-explosion inflation operating state of the present utility model.
In the figure: 1. a bottle body; 2. an air source device release valve; 3. a pressure gauge; 4. an electrical connector; 5. an electric initiator; 6. a pressure sensor; 7. an inflation combination valve; 8. a safety valve; 9. a gas input chamber; 10. a gas output chamber; 11. cutting off the valve core; 12. an orifice; 13. a star-shaped sealing ring; 14. a gas control chamber; 15. an air outlet; 16. an exhaust port; 17. an electric explosion tube mandrel; 18. a retainer ring; 19. a filter sheet; 20. a gas electric explosion chamber; 21. a connecting pipe; 22. a connector; 23. a piston rod; 24. a spring; 25. a cavity; 26. hollow cavity.
Detailed Description
Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides an airborne high-pressure helium bottle valve assembly, including bottle 1 and air supply device relief valve 2, the open end of bottle 1 is connected with air supply device relief valve 2, the back of air supply device relief valve 2 is connected with electric detonator 5, electric connector 4 is equipped with on the back of electric detonator 5, and electric connector 4 and electric detonator 5 circuit connection, air supply device relief valve 2 includes inflatable combination valve 7, inflatable combination valve 7 links to each other with the open end of bottle 1 through the connecting pipe 21 that openly was equipped with, and the inside gas input cavity 9 that is equipped with of connecting pipe 21 communicates with each other with bottle 1 inner space, inflatable combination valve 7 is inside to be equipped with gas output cavity 10 and gas control cavity 14, gas output cavity 10 is in gas control cavity 14 bottom, and communicate between gas control cavity 14 and the gas output cavity 10, communicate between gas output cavity 10 and the gas input cavity 9, the gas electric explosion device also comprises a gas electric explosion chamber 20, the gas electric explosion chamber 20 is arranged on the back surfaces of the gas control chamber 14 and the gas output chamber 10, the gas electric explosion chamber 20 is communicated with the gas control chamber 14 through a hollow cavity 26, a cutoff valve core 11 is movably connected between the gas output chamber 10 and the gas control chamber 14, an orifice 12 is arranged at the center of one surface of the cutoff valve core 11, which is close to the gas input chamber 9, a cavity 25 is arranged inside the cutoff valve core 11, the top of the cavity 25 is an opening, the orifice 12 is communicated with the cavity 25 arranged inside the cutoff valve core 11, the diameter of the gas control chamber 14 is larger than the diameter of the gas output chamber 10, the diameter of the upper part of the center of the cutoff valve core 11 is smaller than the diameter of the gas control chamber 14, an electric explosion tube mandrel 17 is movably connected inside the gas electric explosion chamber 20, the surface of the electric detonator mandrel 17 is provided with a check ring 18 for sealing and a star-shaped sealing ring 13 thereof, and the specific connection mode of the air source device release valve 2 and the electric detonator 5 is as follows: the back of the gas electric explosion chamber 20 in the gas-filled combined valve 7 is provided with a connector 22, the connector 22 is internally provided with a connector, the connector is communicated with the gas electric explosion chamber 20, the electric initiator 5 is connected in the connector, the piston rod 23 is arranged at the top of the gas control chamber 14, the surface of the piston rod 23 is provided with a spring 24, the length of the spring 24 is consistent with that of the piston rod 23, the length of the piston rod 23 is the same as that of a cavity 25 arranged in the cut-off valve core 11, the diameter of the piston rod 23 is smaller than that of the cavity 25, a spring 24 is also arranged between the bottom of the electric explosion tube mandrel 17 and the gas electric explosion chamber 20, the bottom surface of the gas-filled combined valve 7 is provided with two air outlets 15, the air outlets 15 are communicated with the gas output chamber 10, and the top of the gas-filled combined valve 7 is provided with an air outlet 16 which is communicated with the gas electric explosion chamber 20.
The electric detonator 5 adopts a double-bridge double-circuit detonator, and by adopting a margin design principle, the double-bridge double-circuit detonator can fail in one path, and the other path is normal, so that the electric detonator is detonated normally, and the device has higher reliability when the device is deflated and started.
The bottle body 1 is made of alloy or composite material, and the whole surface of the bottle body 1 is of a winding type, so that the weight of the bottle body 1 is reduced to below 9.3Kg from 9.8Kg required by indexes, and the whole bottle is lighter.
The pressure sensor 6 is fixed below the electric detonator 5, the pressure sensor 6 is used for detecting the air pressure inside the air source device release valve 2, the pressure sensor 3 is fixed on the front face of the inflation combination valve 7 and is electrically connected with the pressure sensor 6, the pressure sensor 6 is matched with the pressure meter 3 to monitor the air pressure inside the device in real time, and the device is more beneficial to the whole inspection and maintenance.
The device also comprises a filter 19, wherein the filter 19 is arranged at the bottom of the gas electric explosion chamber 20, and air entering the release valve 2 of the air source device can be filtered through the filter 19, so that the pollution of external dust to the inside of the device is avoided.
The safety valve 8 is arranged on the front face of the inflation combination valve 7 and is communicated with the gas input cavity 9 in the inflation combination valve 7, and the safety valve 8 can enable the assembly to exhaust when the internal gas pressure is unstable, so that the overall safety of the assembly is improved.
To sum up, the workflow of the utility model: the working principle of the utility model is divided into two kinds, namely a sealing state and an inflating state,
the working principle of the sealing state is as follows: the gas in the bottle body 1 enters through the gas input chamber 9 in the connecting pipe 21, and enters the gas control chamber 14 from the throttle hole 12, and the gas control chamber 14 and the gas input chamber 9 gradually reach pressure balance at two ends due to the isolation of the gas control chamber 14 and the atmosphere, and the gas bottle is in a sealed state under the resultant force of the gas pressure of the cut-off valve core 11 and the spring force generated by the spring 24.
The working principle of the inflation state is as follows: the electric connector 4 starts the electric detonator 5 to ignite the gas in the gas electric explosion chamber 20, the electric explosion tube mandrel 17 moves downwards under the action of high-pressure explosion gas, the gas control chamber 14 and the gas electric explosion chamber 20 are communicated with the outside through the hollow cavity 26, the gas control chamber 14 is communicated with the outside atmosphere due to the exhaust port 16, the pressure of the gas control chamber 14 is reduced, the electric explosion tube mandrel 17 moves downwards to compress the spring 24 in the process, the cut-off valve core 11 moves upwards rapidly under the action of the gas pressure in the gas input chamber 9, the gas input chamber 9 is communicated with the gas output chamber 10, and the high-pressure gas in the bottle body 1 is discharged from the gas outlet 15 through the gas input chamber 9 and the gas output chamber 10 for inflation.
According to the utility model, by adopting the margin design principle, the implementation of the principle mainly depends on the double-bridge double-path initiator selected by the device, and the initiator can be initiated by normal energization under the condition that one path is invalid and the other path is normal, so that the starting of the utility model has higher reliability.
According to the utility model, an internal sealing method is adopted, and a sealing pair structure of the star-shaped sealing ring 13 and the check ring 18 is adopted, so that under the action of high-pressure gas in the bottle, the star-shaped sealing ring 13 is pressed to enable the cut-off valve core 11 to be attached to the inner wall of the gas control chamber 14, and the sealing effect is achieved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an airborne high pressure helium bottle valve subassembly, includes bottle (1) and air supply device relief valve (2), its characterized in that: the opening end of the bottle body (1) is connected with an air source device release valve (2), the back surface of the air source device release valve (2) is connected with an electric detonator (5), the back surface of the electric detonator (5) is provided with an electric connector (4), and the electric connector (4) is in circuit connection with the electric detonator (5); the gas source device release valve (2) comprises an inflation combination valve (7), the inflation combination valve (7) is connected with the opening end of the bottle body (1) through a connecting pipe (21) arranged on the front face, a gas input cavity (9) is arranged in the connecting pipe (21) and is communicated with the inner space of the bottle body (1), a gas output cavity (10) and a gas control cavity (14) are arranged in the inflation combination valve (7), the gas output cavity (10) is arranged at the bottom of the gas control cavity (14), the gas control cavity (14) is communicated with the gas output cavity (10), and the gas output cavity (10) is communicated with the gas input cavity (9).
2. An on-board high pressure helium bottle valve assembly as set forth in claim 1 wherein: the gas electric explosion device comprises a gas input chamber (9), a gas electric explosion chamber (20), a gas control chamber (14) and a gas output chamber (10) are arranged on the back of the gas electric explosion chamber (20), the gas electric explosion chamber (20) is communicated with the gas control chamber (14) through a hollow cavity (26), a cutoff valve core (11) is movably connected between the gas output chamber (10) and the gas control chamber (14), an orifice (12) is arranged at the center of one surface of the cutoff valve core (11) close to the gas input chamber (9), a cavity (25) is arranged in the cutoff valve core (11), the top of the cavity (25) is provided with an opening, the diameter of the orifice (12) is greater than the diameter of the gas output chamber (10), the diameter of the upper part of the center of the cutoff valve core (11) is smaller than the diameter of the gas control chamber (14), an electric explosion tube core (17) is movably connected inside the gas electric explosion chamber (20), the surface of the electric explosion tube core (17) is provided with a sealing ring (18) for a sealing ring (5), and a sealing ring (5) of the electric explosion device is connected with the electric explosion device. The back of a gas electric explosion chamber (20) inside the gas-filled combined valve (7) is provided with a connector (22), the connector (22) is internally provided with a connector, the connector is communicated with the gas electric explosion chamber (20), an electric initiator (5) is connected in the connector, a piston rod (23) is arranged at the top of the gas control chamber (14), the surface of the piston rod (23) is provided with a spring (24), the length of the spring (24) is consistent with that of the piston rod (23), the length of the piston rod (23) is identical with that of a cavity (25) arranged inside the cut-off valve core (11), the diameter of the piston rod (23) is smaller than that of the cavity (25), a spring (24) is also arranged between the bottom of the electric explosion tube mandrel (17) and the gas electric explosion chamber (20), the bottom surface of the gas-filled combined valve (7) is provided with two gas outlets (15), the gas outlets (15) are communicated with the gas output chamber (10), and the top of the gas-filled combined valve (7) is provided with a gas outlet (16) which is communicated with the gas electric explosion chamber (20).
3. An on-board high pressure helium bottle valve assembly as set forth in claim 2 wherein: the electric detonator (5) adopts a double-bridge double-circuit detonator.
4. An on-board high pressure helium bottle valve assembly according to claim 3, wherein: the bottle body (1) adopts alloy or composite material, and the whole surface of the bottle body (1) is of a winding line type.
5. An on-board high pressure helium bottle valve assembly as set forth in claim 4 wherein: the pressure sensor (6) is fixed below the electric detonator (5), and the pressure sensor (6) is used for detecting the air pressure inside the air source device release valve (2).
6. An on-board high pressure helium bottle valve assembly as set forth in claim 5 wherein: the device also comprises a pressure gauge (3), wherein the pressure gauge (3) is fixed on the front surface of the inflation combination valve (7) and is electrically connected with the pressure sensor (6).
7. An on-board high pressure helium bottle valve assembly as set forth in claim 6 wherein: the gas electric explosion device also comprises a filter disc (19), wherein the filter disc (19) is arranged at the bottom of the gas electric explosion chamber (20).
8. An on-board high pressure helium bottle valve assembly as set forth in claim 7 wherein: the device also comprises a safety valve (8), wherein the safety valve (8) is arranged on the front surface of the inflation combination valve (7) and is communicated with a gas input cavity (9) in the inflation combination valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320939318.0U CN219955038U (en) | 2023-04-24 | 2023-04-24 | Onboard high-pressure helium bottle valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320939318.0U CN219955038U (en) | 2023-04-24 | 2023-04-24 | Onboard high-pressure helium bottle valve assembly |
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| Publication Number | Publication Date |
|---|---|
| CN219955038U true CN219955038U (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320939318.0U Active CN219955038U (en) | 2023-04-24 | 2023-04-24 | Onboard high-pressure helium bottle valve assembly |
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| Country | Link |
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| CN (1) | CN219955038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293432A (en) * | 2023-04-24 | 2023-06-23 | 江西亚瑞科技有限责任公司 | Onboard high-pressure helium bottle valve system |
-
2023
- 2023-04-24 CN CN202320939318.0U patent/CN219955038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293432A (en) * | 2023-04-24 | 2023-06-23 | 江西亚瑞科技有限责任公司 | Onboard high-pressure helium bottle valve system |
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