CN113390007A - Gas cylinder bearing structure and gas supply device - Google Patents

Gas cylinder bearing structure and gas supply device Download PDF

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Publication number
CN113390007A
CN113390007A CN202110691939.7A CN202110691939A CN113390007A CN 113390007 A CN113390007 A CN 113390007A CN 202110691939 A CN202110691939 A CN 202110691939A CN 113390007 A CN113390007 A CN 113390007A
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CN
China
Prior art keywords
gas cylinder
mounting bracket
gas
pressure
inflation
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Granted
Application number
CN202110691939.7A
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Chinese (zh)
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CN113390007B (en
Inventor
冯振华
刘宏伟
李宗峰
张聚乐
王珂
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Technology and Engineering Center for Space Utilization of CAS
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Technology and Engineering Center for Space Utilization of CAS
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Publication of CN113390007A publication Critical patent/CN113390007A/en
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    • 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
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/14—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of aluminium; constructed of non-magnetic steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • 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
    • F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
    • 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
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
    • 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
    • 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
    • F17C13/08—Mounting arrangements for vessels
    • 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
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/065—Arrangements for producing propulsion of gases or vapours
    • F17D1/07—Arrangements for producing propulsion of gases or vapours by compression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/065—Arrangements for producing propulsion of gases or vapours
    • F17D1/075—Arrangements for producing propulsion of gases or vapours by mere expansion from an initial pressure level, e.g. by arrangement of a flow-control valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0648—Alloys or compositions of metals
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0103—Exterior arrangements
    • F17C2205/0107—Frames
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/013—Two or more vessels
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0192—Details of mounting arrangements with external bearing means
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0196—Details of mounting arrangements with shock absorbing means
    • 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
    • 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
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107—Single phase
    • F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0157—Compressors
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0192—Propulsion of the fluid by using a working fluid
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0626—Pressure

Abstract

The invention relates to a gas cylinder bearing structure and a gas supply device, wherein the gas cylinder bearing structure comprises a shell, a first mounting bracket and a second mounting bracket, the first mounting bracket and the second mounting bracket are fixed in the shell at intervals side by side, a gas cylinder clamp used for limiting the bottom of a gas cylinder is arranged on the first mounting bracket, and a limiting ring used for limiting the opening of the gas cylinder is arranged on the second mounting bracket. The gas supply device comprises a gas cylinder and a gas cylinder bearing structure, the gas cylinder is assembled in the shell, the bottom of the gas cylinder is installed on the first installation support and limited in the gas cylinder hoop, and the opening of the gas cylinder is installed in a limiting ring on the second installation support. The gas cylinder bearing structure adopts a highly integrated design, can support the gas cylinder and the gas circuit part assembly, and simultaneously plays a role in launching mechanics bearing.

Description

Gas cylinder bearing structure and gas supply device
Technical Field
The invention relates to the technical field related to air supply in space experiments, in particular to a gas cylinder bearing structure and a gas supply device.
Background
A plurality of large space scientific facilities are used for carrying out scientific experiments during the operation of the space station in the orbit, or gas is used when ground products are used for carrying out experiments, a gas power source needs to be provided, and particularly, the large space scientific experiment platform is used as a power source for attitude control and maintenance when carrying out non-contact independent flight.
How to design safe and reliable's air feeder wherein is the key problem that needs to solve, satisfies the transmission mechanics and bears the weight of the problem, occupies weight and space resource as far as possible, can compatible high pressure air feed simultaneously and intermittent type circulation air feed mixed mode.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a gas cylinder bearing structure and a gas supply device aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows: the utility model provides a gas cylinder load structure, includes casing, first installing support and second installing support are fixed at interval side by side in the casing, be equipped with the gas cylinder clamp that is used for spacing gas cylinder bottom on the first installing support, be equipped with the spacing ring that is used for spacing gas cylinder bottleneck on the second installing support.
The invention has the beneficial effects that: the gas cylinder bearing structure adopts a highly integrated design, can support the gas cylinder and the gas circuit part assembly, and simultaneously plays a role in launching mechanics bearing.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, a limiting hole is formed in the first mounting support, and the gas cylinder clamp is fixed on the periphery of the limiting hole in an arch shape.
The beneficial effect of adopting the further scheme is that: the gas cylinder can be limited by passing the gas cylinder through the limiting hole and utilizing the gas cylinder hoop to clamp the gas cylinder at the bottom of the gas cylinder.
Further, the gas cylinder clamp is of a cross structure or a rice-shaped structure.
The beneficial effect of adopting the further scheme is that: the shape of the gas cylinder hoop can be selected as required to position and support the center of the bottom of the gas cylinder and wrap the bottom of the gas cylinder.
Furthermore, the contact positions of the first mounting bracket and the second mounting bracket with the gas cylinder are respectively provided with a buffer structure.
The beneficial effect of adopting the further scheme is that: a buffer pad can be arranged in the gas cylinder hoop, and the buffer pad can be a silicone rubber pad and used for buffering the bottom of the gas cylinder; a buffering ring is arranged in the limiting ring, and the buffering ring can be a silicon rubber ring and can buffer the opening of the gas cylinder.
Furthermore, the first mounting bracket and the second mounting bracket are respectively formed by butt joint of two brackets with circular arch bayonets.
The beneficial effect of adopting the further scheme is that: adopt two support docks to form the installing support, conveniently assemble the support in the casing.
Further, still include the third installing support, the third installing support is installed in the casing, and is located between first installing support and the second installing support, be equipped with the pilot hole that assembles the gas cylinder middle part on the third installing support, be equipped with buffer structure in the pilot hole.
The beneficial effect of adopting the further scheme is that: the third mounting bracket is also formed by butting two brackets; the setting of third installing support is convenient for carry out the location support to the gas cylinder body, and the buffering circle that sets up in the pilot hole also plays the cushioning effect to the gas cylinder body. The buffer ring can be a silicon rubber ring.
Furthermore, the shell comprises a partition plate, a bottom plate, a front plate and a back plate, the partition plate, the bottom plate, the front plate and the back plate are connected with one another to form a square shell structure, a plurality of gas cylinder hoops on the first mounting bracket are sequentially arranged along the direction from the front plate to the back plate, and a plurality of limiting rings on the second mounting bracket are sequentially arranged along the direction from the front plate to the back plate; the gas cylinder clamp is arranged on the gas cylinder, and the limiting rings are arranged on the gas cylinder clamp in a one-to-one correspondence mode.
The beneficial effect of adopting the further scheme is that: the square shell structure is adopted, so that the mounting support is convenient to connect and fix, and the gas cylinder in the mounting support is effectively stressed.
A gas supply device comprises a gas cylinder and a gas cylinder force bearing structure, wherein the gas cylinder is assembled in a shell, the bottom of the gas cylinder is installed on a first installation support and limited in a gas cylinder hoop, and the opening of the gas cylinder is installed in a limiting ring on a second installation support.
The invention has the beneficial effects that: the gas supply device can store, manage and convey gas, and is suitable for large-scale scientific experiment platforms flying independently without contact and ground products with similar gas supply requirements.
Further, the opening of the gas cylinder is communicated with an inflation pipeline, two inflation branches of the inflation pipeline are respectively connected with an air compressor pump and an external inflation interface, a first self-locking valve and a first pressure sensor are respectively arranged on the inflation pipeline, the first pressure sensor is used for monitoring the pressure value of the gas cylinder and feeding back the pressure value to a controller, and the controller is used for controlling the first self-locking valve to be closed when the pressure value of the gas cylinder reaches a preset threshold value; the bottle mouth of the gas cylinder is also connected with a gas supply pipeline.
After the high-pressure gas carried in the first ascending is used up, high-pressure gas can be filled through an external inflation interface (extra ascending high-pressure gas resources are needed); the gas discharged after the test platform in the compression chamber is used can be charged into the gas cylinder through the air compression pump, and then discharged out of the chamber through the downstream after use, so that the gas recycling effect in the chamber is achieved (no additional uplink gas resource is needed), the scientific requirement of small gas consumption can be met, and the problem of shortage of on-orbit gas resources is solved.
Further, a first filter and a first one-way valve are sequentially arranged on the inflation branch where the air compression pump is located along the inflation direction; a second self-locking valve, a pressure reducing valve and a second pressure sensor are sequentially arranged on the air supply pipeline along the air supply direction; the air supply pipeline is also provided with a second filter and a second one-way valve, and the second filter and the second one-way valve are positioned between the pressure reducing valve and the second pressure sensor; and an external inflation high-pressure plug is arranged on the external inflation connector.
The beneficial effect of adopting the further scheme is that: the first filter can filter outside gas particles, the first one-way valve can guarantee one-way flow of gas, and after the air compression pump is inflated, gas cannot be backflushed, and meanwhile, a secondary sealing effect is achieved. The second self-locking valve can control the on-off of the high-pressure gas circuit at the outlet and protect the safety of downstream components; the pressure reducing valve reduces the pressure and maintains the pressure output precision, reduces the original pressure to proper pressure and stably outputs the pressure to the downstream; the second pressure sensor may monitor the pressure of the output gas. The second filter can filter the output gas after pressure reduction, and the second one-way valve ensures the one-way flow of the output gas. There is two-stage sealed on the external interface of aerifing, and the one-level can seal through first high pressure self-locking valve, and the second grade can seal through external high pressure end cap of aerifing, and the security of aerifing has been guaranteed in the two-stage seal.
Drawings
FIG. 1 is an external structural schematic view of a gas cylinder force bearing structure of the invention;
FIG. 2 is a schematic diagram of the internal structure of the gas cylinder force bearing structure of the invention;
FIG. 3 is a schematic view of the gas cylinder of the present invention;
FIG. 4 is a schematic view of the gas supply apparatus according to the present invention;
fig. 5 is a schematic view of the gas supply apparatus of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a first mounting bracket;
2. a second mounting bracket;
3. a third mounting bracket;
4. a housing; 41. a front plate; 42. a back plate; 43. a partition plate; 44. a base plate; 45. wire clamps; 46. a hose press plate;
5. a gas cylinder; 50. an air compression pump; 51. an external inflation interface; 52. a first self-locking valve; 53. a first pressure sensor; 54. a first filter; 55. a first check valve; 56. a second self-locking valve; 57. a pressure reducing valve; 58. a second pressure sensor; 59. a second filter; 590. a second one-way valve; 591. a low pressure gas outlet; 592. a flexible pipeline;
6. a gas cylinder clamp; 61. a cushion pad; 7. a limiting ring; 71. and a buffer ring.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1 and fig. 2, the gas cylinder force-bearing structure of the present embodiment includes a housing 4, a first mounting bracket 1 and a second mounting bracket 2, the first mounting bracket 1 and the second mounting bracket 2 are fixed in the housing 4 at intervals side by side, a gas cylinder clamp 6 for limiting the bottom of a gas cylinder is arranged on the first mounting bracket 1, and a limit ring 7 for limiting the opening of the gas cylinder is arranged on the second mounting bracket 2.
As shown in fig. 2, a specific scheme of this embodiment is that a limiting hole is formed in the first mounting bracket 1, and the gas cylinder clamp 6 is fixed on the periphery of the limiting hole in an arch shape. The gas cylinder can be limited by passing the gas cylinder through the limiting hole and utilizing the gas cylinder hoop to clamp the gas cylinder at the bottom of the gas cylinder.
As shown in fig. 2, a preferred embodiment of this embodiment is that the gas cylinder clamp 6 is in a cross-shaped structure or a m-shaped structure, and the shape of the gas cylinder clamp 6 is matched with the shape of the bottom of the gas cylinder. The gas cylinder clamp can prevent the axial motion of the gas cylinder, can select the shape of the gas cylinder clamp as required, and is used for positioning and supporting the center of the bottom of the gas cylinder and wrapping the bottom of the gas cylinder.
As shown in fig. 2, in order to prevent the outer surface of the gas cylinder directly contacting with the metal structure from being scratched, prevent the gas cylinder from moving radially, and damp the high-pressure gas cylinder, the positions where the first mounting bracket 1 and the second mounting bracket 2 contact with the gas cylinder 5 are respectively provided with a buffer structure. A buffer pad 61 can be arranged in the gas cylinder clamp 6 (the position of the buffer pad 61 in fig. 2 of the present application is only illustrated, and the buffer pad is arranged on the inner side of the gas cylinder clamp 6 to buffer the gas cylinder 5), and the buffer pad 61 can be a silicone rubber pad to buffer the bottom of the gas cylinder 5; a buffer ring 71 is arranged in the limiting ring 7, and the buffer ring 71 can be a silicon rubber ring and can buffer the opening of the gas cylinder.
As shown in fig. 2, in the present embodiment, the first mounting bracket 1 and the second mounting bracket 2 are formed by two brackets with circular arch-shaped bayonets that are butted to each other. Two supports with the circular arch-shaped bayonets are butted to form the mounting support, so that the strength and force transferring effect are good, and the support is conveniently assembled in the shell. The buffer rings can be divided into two groups which are respectively fixed in the two arch structures of the limiting ring. And the two corresponding circular arch bayonets on the first mounting bracket 1 are also respectively provided with a buffer structure, and the buffer structures form a buffer ring for clamping the bottom of the gas cylinder after the two circular arch bayonets of the first mounting bracket are butted.
A preferable scheme of this embodiment is that, as shown in fig. 2, the gas cylinder force-bearing structure of this embodiment further includes a third mounting bracket 3, the third mounting bracket 3 is installed in the housing 4 and located between the first mounting bracket 1 and the second mounting bracket 2, an assembly hole for assembling the middle part of the gas cylinder 5 is provided on the third mounting bracket 3, and a buffer ring 71 is provided in the assembly hole. Specifically, the third mounting bracket 3 is formed by butt joint of two brackets with circular arch-shaped bayonets, the two corresponding circular arch-shaped bayonets on the third mounting bracket 3 are also respectively provided with a buffer structure, and the buffer structure forms a buffer ring for clamping the gas cylinder body after the two circular arch-shaped bayonets of the third mounting bracket are in butt joint; the setting of third installing support is convenient for carry out the location support to the gas cylinder body, and the buffering circle that sets up in the pilot hole also plays the cushioning effect to the gas cylinder body, and the buffering circle can adopt the silicon rubber circle. The gas cylinder load-bearing structure of this embodiment can set up tertiary installing support, gas cylinder bottleneck one-level, one-level and gas cylinder bottle bottom one-level in the middle of the body of the bottle, fine play the effect of pressing from both sides tight gas cylinder. Meanwhile, the three mounting supports are formed by butt joint of two supports with a circular arch bridge structure form, and the strength and force transmission effect are good.
The buffer structure of setting on three installing support of this embodiment can adopt the silicon rubber material, specifically can paste corresponding position department with the buffer structure of silicon rubber material. For example, GD414 glue can be used to fix the silicone rubber gasket and the silicone rubber ring inside the gas cylinder clamp and at the circular arch-shaped bayonet of the three mounting brackets.
As shown in fig. 1, the limiting hole on the first mounting bracket 1, the limiting ring 7 on the second mounting bracket 2, and the assembling hole on the third mounting bracket 3 of this embodiment are arranged in a one-to-one correspondence manner, and a set of the limiting hole, the limiting ring, and the assembling hole that are arranged in a corresponding manner are used for assembling one gas cylinder 5. The number of the limiting holes on the first mounting bracket 1, the number of the limiting rings 7 on the second mounting bracket 2 and the number of the mounting holes on the third mounting bracket 3 may be respectively multiple, for example, 2, 3, 4, 5, 6, etc., as shown in fig. 1, the number of the limiting holes, the number of the limiting rings and the number of the mounting holes on the three mounting brackets are respectively 4, and 4 gas cylinders can be mounted. In addition, the third mounting bracket 3 mainly limits the body of the gas cylinder 5, so that a plurality of third mounting brackets 3 can be arranged, and the plurality of third mounting brackets 3 can limit the body of the gas cylinder 5.
A plurality of first mounting brackets, a plurality of second mounting brackets and a plurality of third mounting brackets may be mounted in the housing 4, for example, an upper and a lower two-layer or multi-layer structure may be provided, and each layer is provided with a set of mounting brackets.
The housing 4 of the embodiment can be in any shape, and can be in a cylindrical structure with two open ends, so that the gas cylinder 5 can be conveniently connected with other equipment needing gas supply. The housing 4 may have a polygonal cylindrical structure, an elliptical cylindrical structure, a cylindrical structure, or the like. The casing 4 of this embodiment adopts cavity barreled structure, and the installing support that will be used for the load is fixed on the inner wall of cavity tubular structure, can wrap up the support to the gas cylinder, and the load supports the effect better.
As shown in fig. 1, 2 and 4, in a preferred embodiment of the present invention, the housing 4 includes a partition plate 43, a bottom plate 44, a front plate 41 and a back plate 42, the partition plate 43, the bottom plate 44, the front plate 41 and the back plate 42 are connected to form a rectangular housing structure, the gas cylinder clamps 6 on the first mounting bracket 1 are plural and are sequentially arranged in a direction from the front plate 41 to the back plate 42, and the retainer rings 7 on the second mounting bracket 2 are plural and are sequentially arranged in a direction from the front plate 41 to the back plate 42; the gas cylinder clamps 6 and the limiting rings 7 are arranged in a one-to-one correspondence mode. The partition 43 is provided with a clamp 45 and a hose clamp 46 for positioning a hose 592 connected to a low pressure gas outlet 591 of the gas cylinder. The square shell structure is adopted, so that the mounting support is convenient to connect and fix, and the gas cylinder in the mounting support is effectively stressed.
The gas cylinder bearing structure of this embodiment adopts highly integrated design, can support gas cylinder and gas circuit part subassembly, plays launching mechanics load-bearing effect simultaneously. In order to reduce weight and simplify the processing technology, the structural material of the gas cylinder bearing structure can be aluminum magnesium alloy (with low density), and the structural form adopts a plate form and an arch bridge form which are easy to process. The metal structure of this embodiment all adopts integrated into one piece processing, improves mechanical strength to can pass through the mounting bracket of each integrated into one piece processing and install on the casing through the screw.
Example 2
As shown in fig. 1 to 5, the gas supply device of this embodiment includes a gas cylinder 5 and the gas cylinder force-bearing structure, the gas cylinder 5 is assembled in the housing 4, the bottom of the gas cylinder is mounted on the first mounting bracket 1 and is limited in the gas cylinder clamp 6, and the opening of the gas cylinder is mounted in the limiting ring 7 on the second mounting bracket 2.
The gas supply device of the embodiment can store, manage and convey gas, and is suitable for some large-scale scientific experiment platforms flying independently without contact and some ground products with the same kind of gas supply requirements.
As shown in fig. 4 and 5, a mouth of the gas cylinder of this embodiment is communicated with an inflation pipeline, two inflation branches of the inflation pipeline are respectively connected with an air compressor 50 and an external inflation interface 51, the inflation pipeline is respectively provided with a first self-locking valve 52 and a first pressure sensor 53, the first pressure sensor 53 is used for monitoring a pressure value of the gas cylinder and feeding back the pressure value to a controller, and the controller is used for controlling the first self-locking valve 52 to be closed when the pressure value of the gas cylinder 5 reaches a preset threshold value; and the opening of the gas cylinder 5 is also connected with a gas supply pipeline. After the high-pressure gas carried in the upward movement for the first time is used up, the high-pressure gas can be filled through the external inflation interface (extra upward high-pressure gas resources are needed); the gas discharged after the test platform in the compression chamber is used can be charged into the gas cylinder through the air compression pump, and then discharged out of the chamber through the downstream after use, so that the gas recycling effect in the chamber is achieved (no additional uplink gas resource is needed), the scientific requirement of small gas consumption can be met, and the problem of shortage of on-orbit gas resources is solved. The air compressor pump 50 may support later in-track replacement upgrades.
As shown in fig. 4 and 5, the air compression pump 50 of the present embodiment is provided with a first filter 54 and a first check valve 55 in sequence along the inflation direction on the inflation branch; a second self-locking valve 56, a pressure reducing valve 57 and a second pressure sensor 58 are sequentially arranged on the air supply pipeline along the air supply direction; a second filter 59 and a second check valve 590 are further arranged on the air supply pipeline, and the second filter 59 and the second check valve 590 are positioned between the pressure reducing valve 57 and the second pressure sensor 58; an external inflation high-pressure plug is arranged on the external inflation interface 51. The first filter 54 can filter external air particles, the first one-way valve 55 can ensure one-way flow of air, and after the air compression pump 50 is inflated, the air cannot be backflushed, and a secondary sealing effect is achieved. The second self-locking valve 56 can control the on-off of the outlet high-pressure gas circuit and protect the safety of downstream components; the pressure reducing valve 57 reduces the pressure and maintains the pressure output accuracy, reduces the pressure of the gas source to a proper pressure, and stably outputs the gas to the downstream through the low-pressure gas outlet 591 and the pipe joint and the flexible pipe 592; the second pressure sensor 58 may monitor the pressure of the output gas. The second filter 59 may function to filter the output gas after depressurization, and the second check valve 590 ensures one-way flow of the output gas. There is two-stage sealed on external inflation interface 51, and one-level can seal through first self-locking valve 52, and the second grade can seal through external inflation high-pressure end cap, and the security of aerifing has been guaranteed in the two-stage sealed.
The gas path portion of the gas supply apparatus of the present embodiment is used for filling, storing, managing, and delivering gas to the gas supply apparatus. The high-pressure gas is reduced to the low pressure required by the system work and is kept within a certain precision range, and is conveyed to the downstream.
The gas cylinder of the embodiment is used for storing high-pressure nitrogen or air, adopts an all-metal ball-column structure, is made of titanium alloy TC4, has the working pressure of 15MPa (not limited to 15MPa), the reliability of more than 0.999 and the safety coefficient of more than 2 times; the pressure reducing valve reduces the pressure and maintains the pressure output precision, the pressure is reduced by a single stage, and the safety factor is more than 2 times; the first self-locking valve and the second self-locking valve are both high-pressure self-locking valves which can control the on-off of a gas circuit, are electromagnetic valves with bistable structures, adopt a pulse power-on working mode, can be kept at a final instruction position without electricity after power failure, have the characteristics of high efficiency and energy conservation, are suitable for application fields with strict requirements on power consumption, such as space environments and the like, and have more than 3 times of safety coefficient; the first pressure sensor and the second pressure sensor both adopt high-pressure sensors to monitor the pressure of an air source in the air bottle, and the safety factor is more than 3 times; the air compression pump compresses surrounding air and fills the air cylinder, the first filter filters external air particles, the first one-way valve ensures that the air flows in one direction, and after the air compression pump is filled, the air is prevented from backflushing, and a secondary sealing effect is achieved; the second filter is used for filtering the output gas after pressure reduction; the second one-way valve ensures the one-way flow of the output gas; the soft pipeline component is designed into 1-branch-4-path (can be changed according to different requirements), and the decompressed gas is respectively conveyed to the gas using downstream. The gas circuit part is integrated to be an independent component and is installed on a gas cylinder bearing structure to form the gas supply device, and the gas supply device is high in installation freedom degree and simple in process.
The high-pressure pipeline parts such as the inflation pipeline, the inflation branch and the like of the embodiment are welded and formed by stainless steel hard pipes, are in threaded connection with other components by using pipe joints, are sealed by using thread sealing agents of a raw material belt and a SWAK anaerobic pipe, and have single-point leakage rate not greater than 1.0 multiplied by 10-7Pa·m3/s。
The gas supply device of the embodiment has two modes when in use, namely a filling mode and a system on-track working mode.
Filling mode: gas is filled through an external inflation interface or an air compression pump, a first pressure sensor monitors the pressure value of a gas source and feeds back the pressure value to the controller, and when a set threshold value is reached, the first self-locking valve is electrically controlled to be closed.
The system is in an on-track working mode: experiment platform needs the during operation, and the electric control second self-locking valve is opened, and high-pressure gas is behind the relief pressure valve, and gas pressure reduces to the demand pressure 0.75Mpa of setting for to control pressure variation value is in certain precision range (± 0.014Mpa), and first pressure sensor real-time supervision air supply pressure value, second pressure sensor real-time supervision output gas pressure value feeds back to the controller, the health status of autonomic judgement system.
The gas supply device of the embodiment realizes a mixing mode of high-pressure gas supply and intermittent circulating gas supply, can utilize a gas cylinder to firstly move upwards to carry high-pressure gas of 15Mpa (not limited to 15Mpa), has a safety coefficient more than 2 times, and solves the problem of large gas consumption such as key technology verification, initialization and the like after a large-scale space science experiment platform moves upwards for the first time; after the high-pressure gas carried in the upward direction is used up for the first time, the high-pressure gas can be filled through the filling port (extra upward high-pressure gas resources are needed), the gas in the cabin can be compressed through the air compression pump and filled into the gas cylinder, and the gas is discharged into the cabin through the downstream after being used, so that the gas recycling effect in the cabin is achieved (extra upward gas resources are not needed), the scientific requirement of small gas consumption is met, and the problem of shortage of on-track gas resources is solved. The air compression pump in the gas supply device has the compression and inflation capacity of 2.5Mpa, and supports on-track replacement and upgrade at the later stage, so that the air compression pump with stronger compression and inflation capacity can be replaced by a new generation of air compression pump with stronger compression and inflation capacity, the single space scientific experiment time is prolonged, and greater scientific benefit is created. Two inflation branches of the gas supply device are respectively provided with two stages of seals, wherein the external inflation branch is sealed by a first self-locking valve at one stage, and is sealed by an external inflation high-pressure plug at the second stage; the branch road one-level is aerifyd at air compressor pump place is sealed through first self-locking valve, and the second grade is sealed through first check valve, and the security improves greatly, and any one-level is sealed ageing, can not cause the high-pressure gas security problem.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. The utility model provides a gas cylinder load structure, its characterized in that includes casing, first installing support and second installing support are fixed at interval side by side in the casing, be equipped with the gas cylinder clamp that is used for spacing gas cylinder bottom on the first installing support, be equipped with the spacing ring that is used for spacing gas cylinder bottleneck on the second installing support.
2. The bearing structure of a gas cylinder as claimed in claim 1, wherein the first mounting bracket is provided with a limiting hole, and the gas cylinder clamp is fixed around the limiting hole in an arch shape.
3. A gas cylinder bearing structure according to claim 1, wherein the gas cylinder hoop is of a cross-shaped structure or a cross-shaped structure.
4. The bearing structure of the gas cylinder as claimed in claim 1, wherein the first mounting bracket and the second mounting bracket are respectively provided with a buffer structure at the contact position with the gas cylinder.
5. The gas cylinder force-bearing structure according to claim 1, wherein the first mounting bracket and the second mounting bracket are respectively formed by butt joint of two brackets with circular arch bayonets.
6. The gas cylinder bearing structure according to claim 1, further comprising a third mounting bracket, wherein the third mounting bracket is mounted in the housing and located between the first mounting bracket and the second mounting bracket, the third mounting bracket is provided with a mounting hole for mounting the middle part of the gas cylinder, and a buffer structure is arranged in the mounting hole.
7. A gas cylinder force-bearing structure according to any one of claims 1 to 6, characterized in that the shell comprises a partition plate, a bottom plate, a front plate and a back plate, the partition plate, the bottom plate, the front plate and the back plate are connected with each other to form a square shell structure, the gas cylinder clamps on the first mounting bracket are multiple and are sequentially arranged along the direction from the front plate to the back plate, and the limiting rings on the second mounting bracket are multiple and are sequentially arranged along the direction from the front plate to the back plate; the gas cylinder clamp is arranged on the gas cylinder, and the limiting rings are arranged on the gas cylinder clamp in a one-to-one correspondence mode.
8. A gas supply device, comprising a gas cylinder and the gas cylinder bearing structure of any one of claims 1 to 7, wherein the gas cylinder is assembled in the housing, the bottom of the gas cylinder is mounted on the first mounting bracket and limited in the gas cylinder clamp, and the opening of the gas cylinder is mounted in a limiting ring on the second mounting bracket.
9. The gas supply device according to claim 8, wherein the opening of the gas cylinder is communicated with an inflation pipeline, two inflation branches of the inflation pipeline are respectively connected with an air compressor and an external inflation interface, the inflation pipeline is respectively provided with a first self-locking valve and a first pressure sensor, the first pressure sensor is used for monitoring the pressure value of the gas cylinder and feeding back the pressure value to the controller, and the controller is used for controlling the first self-locking valve to be closed when the pressure value of the gas cylinder reaches a preset threshold value; the bottle mouth of the gas cylinder is also connected with a gas supply pipeline.
10. The gas supply device according to claim 9, wherein the air compression pump is provided with a first filter and a first one-way valve in sequence along the inflation direction on the inflation branch; a second self-locking valve, a pressure reducing valve and a second pressure sensor are sequentially arranged on the air supply pipeline along the air supply direction; the air supply pipeline is also provided with a second filter and a second one-way valve, and the second filter and the second one-way valve are positioned between the pressure reducing valve and the second pressure sensor; and an external inflation high-pressure plug is arranged on the external inflation connector.
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CN114623369A (en) * 2022-01-21 2022-06-14 北京航天发射技术研究所 Air source system

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CN114623369A (en) * 2022-01-21 2022-06-14 北京航天发射技术研究所 Air source system

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