CN220018856U - Helium recovery system based on sensor helium leak detection equipment - Google Patents
Helium recovery system based on sensor helium leak detection equipment Download PDFInfo
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- CN220018856U CN220018856U CN202320981295.XU CN202320981295U CN220018856U CN 220018856 U CN220018856 U CN 220018856U CN 202320981295 U CN202320981295 U CN 202320981295U CN 220018856 U CN220018856 U CN 220018856U
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- helium
- detection
- sensor
- system based
- recovery system
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- 238000001514 detection method Methods 0.000 title claims abstract description 80
- 239000001307 helium Substances 0.000 title claims abstract description 66
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 66
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000011084 recovery Methods 0.000 title claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002371 helium Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a helium recovery system based on sensor helium leak detection equipment, which comprises a closed cylinder, wherein a vent pipe is arranged in the center of the closed cylinder in a penetrating manner, a detection bin which is arranged on the outer wall of the vent pipe in a sealing manner in a lifting manner is arranged in the closed cylinder in a sealing manner, a driving assembly for driving the detection bin to lift is arranged at the lower end of the closed cylinder, and a gas concentration sensor is arranged in the detection bin. According to the utility model, the detection bin is sealed and arranged on the vent pipe, when helium is introduced into the vent pipe, the driving assembly drives the detection bin to slowly rise in the sealing cylinder from bottom to top, the outer wall of the vent pipe sequentially corresponds to the inside of the detection bin from bottom to top, and when leakage occurs on the outer wall of the vent pipe at the position corresponding to the inside of the detection bin, the gas concentration sensor detects and controls the driving assembly to stop driving, so that the detection bin keeps being coated at the leakage position of the vent pipe, the leakage detection of the surface wall of the vent pipe is realized, and the leakage position can be positioned.
Description
Technical Field
The utility model relates to the technical field of helium detection, in particular to a helium recovery system based on sensor helium leakage detection equipment.
Background
Helium is a rare gas, colorless and odorless, and has inactive chemical properties, so that the helium is difficult to react with other substances in a general state. Helium can be used as a pressurizing agent and a pressurizing agent of rocket liquid fuel; the gas is used as a protective gas during smelting and welding; for cooling nuclear reactors, leak detection of some pipes, electronic and electrical devices, etc. of rockets and nuclear reactors; etc. The recovery of helium is necessary when leak detection is performed by helium, and existing helium recovery systems have been able to substantially meet the needs of use in leak detection operations, but there are some shortcomings to be improved.
Patent document CN215677442U discloses a helium recovery mechanism of a helium detector, which comprises the following technical scheme: helium recovery jar, helium recovery jar upper end is equipped with inlet connection structure, helium recovery jar one side is equipped with the outlet duct, inlet connection structure includes the intake pipe, leak hunting ring activity cup joints in the intake pipe top, after helium pipeline and the sealed fixed sleeve joint of intake pipe, through the slip leak hunting ring, make the annular packet on the leak hunting ring clamp the junction of helium pipeline and intake pipe seal the package clamp, the seal cover of intake pipe top surface can contact with the helium pipeline inner wall, further improve the leakproofness, when the helium leakage appears, gas sensor on the leak hunting ring detects, send the signal to the siren, the siren takes place the alarm sound, prompt staff handles in time, the convenience that has the work of improving the leak hunting.
Obviously, in the prior art, the leakage detection of helium is only aimed at the connecting position of the pipeline, but cannot be aimed at the surface leakage detection of the pipeline, so that a helium recovery system based on a sensor helium leakage detection device is needed to solve the problems.
Disclosure of Invention
The utility model aims to provide a helium recovery system based on sensor helium leak detection equipment, which solves the defects in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a helium recovery system based on sensor helium leak hunting equipment, includes seals a section of thick bamboo, seal a section of thick bamboo center and run through and be provided with the breather pipe, liftable in sealing a section of thick bamboo is provided with the detection storehouse of seal cover at the breather pipe outer wall, seal a section of thick bamboo lower extreme and be provided with the drive assembly who is used for driving the detection storehouse and go up and down, be provided with gas concentration sensor in the detection storehouse, gas concentration sensor and drive assembly electric connection.
Preferably, a through hole matched with the vent pipe is formed in the detection bin, and a sealing ring is arranged in the through hole.
Preferably, the driving assembly comprises a screw rod which is rotationally connected with the closed cylinder, and a sleeve which is sleeved with the screw rod in a threaded manner is arranged in the detection bin.
Preferably, the screws are not less than two and are symmetrically arranged on the inner circumference of the closed cylinder.
Preferably, the driving assembly comprises a motor fixedly installed at the lower end of the closed cylinder, the output end of the motor is fixedly connected with one of the screw rods coaxially, the lower end of the screw rod is coaxially connected with a synchronous wheel, and a plurality of synchronous wheels are connected through a synchronous belt.
Preferably, the upper end of the closed cylinder is provided with a gas collecting tube, the detection bin is provided with a valve body, the upper end of the valve body is provided with a first gas hole vertically corresponding to the gas collecting tube, and the side wall of the valve body is provided with a second gas hole communicated with the inside of the detection bin.
Preferably, a ball body is connected in the valve body through a spring, the ball body is arranged in a manner of being abutted against the first air hole, and a convex rod vertically corresponding to the first air hole is arranged in the gas collecting tube.
In the technical scheme, the utility model has the beneficial effects that:
this helium recovery system based on sensor helium leak hunting equipment establishes on the breather pipe through setting up the detection storehouse seal cover, when the breather pipe lets in helium, drive assembly drive detects the storehouse and from bottom to top slowly rises in sealed section of thick bamboo, then the outer wall of breather pipe corresponds to the detection storehouse inside from bottom to top in proper order, when leak takes place on the breather pipe outer wall with the inside department of corresponding of detection storehouse, gas concentration sensor then detects and control drive assembly stops the drive, make the detection storehouse keep cladding at the gas leakage position of breather pipe, the leak hunting of breather pipe table wall has been realized and the position of leaking can be fixed a position, the practicality of device has been improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all of the features of the technology disclosed.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of a front sectional structure before detection according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a front sectional structure after inspection according to an embodiment of the present utility model;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A according to an embodiment of the present utility model;
FIG. 4 is a schematic top view of a cross-sectional structure according to an embodiment of the present utility model;
fig. 5 is a schematic top view of another cross-sectional structure according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a closing cylinder; 2. a vent pipe; 3. a detection bin; 4. a gas concentration sensor; 5. a through hole; 6. a seal ring; 7. a screw; 8. a sleeve; 9. a motor; 10. a synchronizing wheel; 11. a synchronous belt; 12. a gas collecting tube; 13. a valve body; 14. a first air hole; 15. a second air hole; 16. a spring; 17. a sphere; 18. a protruding rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Referring to fig. 1-5, a helium recovery system based on a sensor helium leak detection device provided by the embodiment of the utility model comprises a closed cylinder 1, wherein a vent pipe 2 is arranged in the center of the closed cylinder 1 in a penetrating manner, a detection bin 3 which is arranged on the outer wall of the vent pipe 2 in a sealing manner in a lifting manner is arranged in the closed cylinder 1, a driving component for driving the detection bin 3 to lift is arranged at the lower end of the closed cylinder 1, a gas concentration sensor 4 is arranged in the detection bin 3, and the gas concentration sensor 4 is electrically connected with the driving component.
Specifically, the outer side of the closed cylinder 1 is provided with supporting legs; the breather pipe 2 penetrates through the closed cylinder 1 and is fixedly connected with the closed cylinder 1; the detection bin 3 is provided with a through hole 5 matched with the vent pipe 2, and a sealing ring 6 is arranged in the through hole 5; the surface wall corresponding to the inside of the detection bin 3 on the breather pipe 2 is a detection section, when the detection section generates air leakage, the air can directly enter the detection bin 3, so that the helium concentration in the detection bin 3 is improved, and the air concentration sensor 4 determines the air leakage through detecting the helium concentration; the drive assembly is controlled to start by an external servo system and stopped when the gas concentration sensor 4 detects the occurrence of gas leakage. In actual use, the vent pipe 2 is continuously filled with helium, and then the driving assembly is controlled by the external servo system to start so as to drive the detection bin 3 to slowly rise in the closed cylinder 1 from bottom to top, the outer wall of the vent pipe 2 sequentially corresponds to the inside of the detection bin 3 from bottom to top, when the helium leakage occurs in the detection section of the vent pipe 2 corresponding to the inside of the detection bin 3, the concentration of the helium in the detection bin 3 rapidly rises, the gas concentration sensor 4 can detect the helium leakage and immediately control the driving assembly to stop, so that the detection bin 3 keeps wrapping the leakage position of the vent pipe 2, and the leakage detection of the surface wall of the vent pipe 2 and the positioning of the leakage position are realized.
Compared with the prior art, the helium recovery system based on the sensor helium leak detection equipment provided by the embodiment of the utility model is arranged on the vent pipe 2 in a sealing manner by arranging the detection bin 3, when the vent pipe 2 is filled with helium, the driving assembly drives the detection bin 3 to slowly rise in the sealing cylinder 1 from bottom to top, the outer wall of the vent pipe 2 sequentially corresponds to the inside of the detection bin 3 from bottom to top, when leakage occurs on the outer wall of the vent pipe 2 corresponding to the inside of the detection bin 3, the gas concentration sensor 4 detects and controls the driving assembly to stop driving, so that the detection bin 3 is kept at the leakage position of the vent pipe 2, the leakage detection of the surface wall of the vent pipe 2 is realized, the leakage position can be positioned, and the practicability of the device is improved.
As a preferred technical scheme of the embodiment, the driving assembly comprises a screw rod 7 which is rotationally connected with the closed cylinder 1, a sleeve 8 which is in threaded sleeve connection with the screw rod 7 is arranged in the detection bin 3, and specifically, at least two screw rods 7 are arranged and symmetrically arranged on the inner circumference of the closed cylinder 1; the screws 7 rotate synchronously, and then the corresponding sleeves 8 are subjected to screw feeding action to drive the detection bin 3 to lift along the screws 7.
As the preferred technical scheme of this embodiment, the drive assembly includes sealed section of thick bamboo 1 lower extreme fixed mounting's motor 9, motor 9 output and one of them screw rod 7 coaxial fixed connection, screw rod 7 lower extreme coaxial coupling has synchronizing wheel 10, connect through hold-in range 11 between a plurality of synchronizing wheels 10, specifically, sealed section of thick bamboo 1 lower extreme inside is provided with the cavity, synchronizing wheel 10 and hold-in range 11 all set up in the cavity, still rotate in the cavity and be provided with the roller, hold-in range 11 cover is established in the roller outside to make hold-in range 11 keep away from breather pipe 2 table wall.
In another embodiment of the utility model, the upper end of the closed cylinder 1 is provided with a gas collecting tube 12, the detection bin 3 is provided with a valve body 13, the upper end of the valve body 13 is provided with a first air hole 14 vertically corresponding to the gas collecting tube 12, the side wall of the valve body 13 is provided with a second air hole 15 communicated with the inside of the detection bin 3, and in particular, the outer end of the gas collecting tube 12 is connected with a container for sucking and recovering helium; the valve body 13 is arranged on the inner top surface of the detection bin 3; when the detecting bin 3 rises to the highest position in the closed cylinder 1, the first air hole 14 corresponds to the gas collecting tube 12, and then the inside of the detecting bin 3 is communicated with the gas collecting tube 12 through the second air hole 15, the valve body 13 and the first through hole 5 in sequence, so that helium gas collected in the detecting bin 3 can be recovered through the gas collecting tube 12.
As a preferred technical scheme of the embodiment, a ball 17 is connected in the valve body 13 through a spring 16, the ball 17 is abutted against the first air hole 14 and arranged, a convex rod 18 vertically corresponding to the first air hole 14 is arranged in the gas collecting tube 12, specifically, the lower end of the convex rod 18 extends out of the inner top surface of the closed cylinder 1 and is arranged as a concave surface matched with the ball 17; when the detecting bin 3 does not rise to the highest position in the sealing cylinder 1, the spring 16 keeps pushing the sphere 17 to be abutted against the first air hole 14, and the outer diameter of the sphere 17 is not smaller than the inner diameter of the first air hole 14, so that the sphere 17 which is abutted against the first air hole 14 can completely seal the first air hole 14, and then the detecting bin 3 in the state is kept internally sealed, and further, when the detecting bin 3 detects helium leakage, helium can not escape rapidly, so that the stable rising of the concentration of helium in the detecting bin 3 is ensured, and the detection precision of the gas concentration sensor 4 is ensured; when the detection bin 3 is detected and rises to the highest position in the closed cylinder 1, the first air hole 14 corresponds to the gas collecting tube 12, and at the moment, the lower end of the protruding rod 18 in the gas collecting tube 12 can penetrate through the first air hole 14 to push the sphere 17 downwards, so that the sphere 17 leaves the first air hole 14, and the inside of the detection bin 3 is communicated with the gas collecting tube 12 through the second air hole 15, the valve body 13 and the first air hole 14, and helium gas collected in the detection bin 3 can be smoothly recovered.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. The utility model provides a helium recovery system based on sensor helium leak hunting equipment, its characterized in that, including seal section of thick bamboo (1), seal section of thick bamboo (1) center is run through and is provided with breather pipe (2), liftable in seal section of thick bamboo (1) are provided with seal cover and establish in detection storehouse (3) of breather pipe (2) outer wall, seal section of thick bamboo (1) lower extreme is provided with the drive assembly who is used for driving detection storehouse (3) to go up and down, be provided with gas concentration sensor (4) in detection storehouse (3), gas concentration sensor (4) and drive assembly electric connection.
2. The helium recovery system based on the sensor helium leak detection equipment according to claim 1, wherein a through hole (5) matched with the vent pipe (2) is arranged on the detection bin (3), and a sealing ring (6) is arranged in the through hole (5).
3. The helium recovery system based on the sensor helium leak detection equipment according to claim 1, wherein the driving assembly comprises a screw (7) which is rotationally connected with the closed cylinder (1), and a sleeve (8) which is in threaded connection with the screw (7) is arranged in the detection bin (3).
4. A helium recovery system based on a sensor helium leak detection unit according to claim 3, wherein said screws (7) are provided in not less than two and are symmetrically arranged on the inner circumference of the closed cylinder (1).
5. A helium recovery system based on sensor helium leak detection equipment according to claim 3, wherein the driving assembly comprises a motor (9) fixedly installed at the lower end of the closed cylinder (1), the output end of the motor (9) is fixedly connected with one screw rod (7) coaxially, the lower end of the screw rod (7) is coaxially connected with a synchronous wheel (10), and a plurality of synchronous wheels (10) are connected through a synchronous belt (11).
6. The helium recovery system based on the sensor helium leak detection equipment according to claim 1, wherein a gas collecting tube (12) is arranged at the upper end of the closed cylinder (1), a valve body (13) is arranged on the detection bin (3), a first gas hole (14) vertically corresponding to the gas collecting tube (12) is arranged at the upper end of the valve body (13), and a second gas hole (15) communicated with the inside of the detection bin (3) is arranged on the side wall of the valve body (13).
7. The helium recovery system based on the sensor helium leak detection equipment according to claim 6, wherein a ball body (17) is connected in the valve body (13) through a spring (16), the ball body (17) is arranged in a manner of being abutted against the first air hole (14), and a protruding rod (18) vertically corresponding to the first air hole (14) is arranged in the gas collecting tube (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320981295.XU CN220018856U (en) | 2023-04-26 | 2023-04-26 | Helium recovery system based on sensor helium leak detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320981295.XU CN220018856U (en) | 2023-04-26 | 2023-04-26 | Helium recovery system based on sensor helium leak detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220018856U true CN220018856U (en) | 2023-11-14 |
Family
ID=88678210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320981295.XU Active CN220018856U (en) | 2023-04-26 | 2023-04-26 | Helium recovery system based on sensor helium leak detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220018856U (en) |
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2023
- 2023-04-26 CN CN202320981295.XU patent/CN220018856U/en active Active
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