CN216976538U - Hydrogen pipeline hydrogen leakage detection early warning device - Google Patents
Hydrogen pipeline hydrogen leakage detection early warning device Download PDFInfo
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- CN216976538U CN216976538U CN202122017269.9U CN202122017269U CN216976538U CN 216976538 U CN216976538 U CN 216976538U CN 202122017269 U CN202122017269 U CN 202122017269U CN 216976538 U CN216976538 U CN 216976538U
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Abstract
The utility model discloses a hydrogen leakage detection early warning device for a hydrogen pipeline, which comprises a primary pipeline and a secondary pipeline welded on the outer wall of the primary pipeline, wherein a mounting seat is arranged outside the secondary pipeline and welded on the outer wall of the primary pipeline; according to the utility model, the mounting seat and the protective sleeve are arranged, so that the secondary pipeline is arranged in the protective sleeve, the mounting seat and the protective sleeve are detachably connected, the rotatable protective sleeve is detached to quickly repair the damaged part of the joint, in addition, when hydrogen leaks, the mounting seat and the protective sleeve can prevent the hydrogen from diffusing and adopt an early warning mechanism, through the arrangement of the air bag, the air bag expands to deform when the hydrogen leaks, the air bag extrudes the sliding block to enable the electrode plate to slide downwards to be in contact with the inductor, so that the alarm can quickly respond to alarm to inform a worker to overhaul, the leaked hydrogen is prevented from being accumulated in large quantity, and the leaked hydrogen is adsorbed by the air bag, so that accidents are effectively prevented.
Description
Technical Field
The utility model relates to the technical field of hydrogen leakage detection and early warning, in particular to a hydrogen leakage detection and early warning device for a hydrogen pipeline.
Background
Energy exhaustion and environmental pollution caused by fossil energy consumption are increasingly serious, large-scale development and utilization of renewable energy are imperative, although renewable energy reserves are abundant and widely distributed, fluctuation is severe, and periodic change is particularly shown under the influence of natural environment.
However, hydrogen is an extremely flammable and explosive gas, and when the volume fraction of hydrogen in the air exceeds 4% -75%, explosion can be caused when the hydrogen meets a fire source, so that the hydrogen leakage detection and early warning of a hydrogen pipeline is very important in the transportation and storage processes of hydrogen, and therefore, the hydrogen leakage detection and early warning device for the hydrogen pipeline is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a hydrogen leakage detection and early warning device for a hydrogen pipeline.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a hydrogen leakage detection early warning device for a hydrogen pipeline comprises a primary pipeline and a secondary pipeline welded on the outer wall of the primary pipeline, wherein a mounting seat is arranged outside the secondary pipeline and welded on the outer wall of the primary pipeline;
protective sleeves are sleeved on the outer walls of the secondary pipelines, the secondary pipelines are far away from one ends of the primary pipelines and are provided with threads, the protective sleeves are connected with the mounting seat through the threads in a rotating mode, connecting holes are formed in the outer walls of the protective sleeves, inductors are fixedly mounted on the connecting holes and are far away from the other ends of the connecting holes and are fixedly connected with alarms, and early warning mechanisms are arranged in the protective sleeves.
Preferably, the early warning mechanism comprises an air bag, a spring, a sliding block and an electrode plate; the spring cup joints on the outer wall of secondary pipeline, just the spring sets up in the protective sleeve, slider fixed connection is in the top of spring, electrode slice fixed connection is in the lateral wall of slider, the gasbag sets up in the protective sleeve, just the gasbag is installed the primary pipeline with the junction of secondary pipeline.
Preferably, a through hole is formed in the bottom wall of the protective sleeve, and the secondary pipeline is fixedly connected with the primary pipeline through the through hole.
Preferably, the inductor is consistent with the size of the connecting hole, the contact surface of the inner wall of the inductor is an arc surface, and the arc surface is consistent with the radian of the inner wall of the protection sleeve.
Preferably, the electrode plate is in sliding contact with the inductor, and the sliding block is in sliding contact with the inner wall of the protective sleeve.
Preferably, the spring is in contact with the inner bottom surface of the protective sleeve, the air bag is arranged in a circular ring shape, and the air bag is arranged between the primary pipeline and the protective sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the early warning device for detecting hydrogen leakage of the hydrogen pipeline is used, the mounting seat and the protective sleeve are arranged, so that the secondary pipeline is arranged in the protective sleeve, the mounting seat and the protective sleeve are detachably connected, when hydrogen leakage occurs at the joint of the primary pipeline and the secondary pipeline, the protective sleeve can be rotated to be detached to quickly repair the damaged part of the joint, and in addition, when hydrogen leakage occurs, the mounting seat and the protective sleeve can block hydrogen diffusion.
2. The hydrogen leakage detection early warning device for the hydrogen pipeline adopts the early warning mechanism, the air bag is expanded to deform when hydrogen leaks through the arrangement of the air bag, the air bag extrudes the sliding block to enable the spring to elastically deform, the electrode plate connected with the side wall of the sliding block slides downwards to enable the electrode plate to be in contact with the sensor, the alarm is enabled to quickly respond to alarm so as to inform workers to overhaul, the leaked hydrogen is prevented from being accumulated in a large quantity, and the leaked hydrogen is adsorbed through the air bag, so that accidents are effectively prevented.
Drawings
FIG. 1 is a schematic structural diagram of a hydrogen leakage detection and warning device for a hydrogen pipeline according to the present invention;
FIG. 2 is a schematic structural diagram of a hydrogen leakage detection and warning device for a hydrogen pipeline according to the present invention;
FIG. 3 is a schematic structural diagram of an early warning mechanism in a hydrogen leakage detection early warning device for a hydrogen pipeline according to the present invention;
fig. 4 is an enlarged view of a point a in fig. 3.
In the figure: 1. a primary pipeline; 2. a secondary pipeline; 3. a mounting seat; 4. a protective sleeve; 5. Connecting holes; 6. an inductor; 7. an alarm; 8. an air bag; 9. a spring; 10. a slider; 11. An electrode sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a hydrogen leakage detection and early warning device for a hydrogen pipeline comprises a primary pipeline 1 and a secondary pipeline 2 welded on the outer wall of the primary pipeline 1, wherein a mounting seat 3 is arranged outside the secondary pipeline 2, and the mounting seat 3 is welded on the outer wall of the primary pipeline 1;
refer to fig. 1 and fig. 2 and show, protective sleeve 4 has been cup jointed on the 2 outer walls of secondary pipeline, and secondary pipeline 2 has seted up the screw thread in the one end of keeping away from primary pipeline 1, and protective sleeve 4 rotates through the screw thread with mount pad 3 to be connected, and protective sleeve 4's outer wall has seted up connecting hole 5, and fixed mounting has inductor 6 on connecting hole 5, and inductor 6 is keeping away from other end fixedly connected with alarm 7 of connecting hole 5, is provided with early warning mechanism in the protective sleeve 4.
It should be noted that, when the hydrogen leakage detection and early warning device for the hydrogen pipeline provided by the utility model is used, the mounting base 3 and the protective sleeve 4 are arranged, so that the secondary pipeline 2 is arranged in the protective sleeve 4, the mounting base 3 and the protective sleeve 4 are detachably connected, when hydrogen leakage occurs at the joint of the primary pipeline 1 and the secondary pipeline 2, the protective sleeve 4 can be rotated to be detached to quickly repair the damaged position of the joint, and in addition, when hydrogen leakage occurs, the mounting base 3 and the protective sleeve 4 can block hydrogen diffusion.
Wherein, set up the through-hole on the 4 diapire of protective sleeve, secondary pipeline 2 passes through-hole and 1 fixed connection of primary pipeline.
Wherein, the size setting of inductor 6 and connecting hole 5 is unanimous, and the inner wall contact surface of inductor 6 sets up to the cambered surface, and the cambered surface is unanimous with protective sleeve 4 inner wall radian.
Referring to fig. 3 and 4, the early warning mechanism includes an air bag 8, a spring 9, a slider 10, and an electrode plate 11; spring 9 cup joints on secondary pipeline 2's outer wall, and spring 9 sets up in protective sleeve 4, and slider 10 fixed connection is on spring 9's top, and electrode slice 11 fixed connection is at the lateral wall of slider 10, and gasbag 8 sets up in protective sleeve 4, and gasbag 8 installs the junction at one-level pipeline 1 and secondary pipeline 2.
It should be noted that the hydrogen leakage detection early warning device for the hydrogen pipeline provided by the utility model adopts the early warning mechanism, through the arrangement of the air bag 8, when hydrogen leaks, the air bag 8 expands to deform, the air bag 8 extrudes the slide block 10 to enable the spring 9 to elastically deform, the electrode plate 11 connected with the side wall of the slide block 10 slides downwards to enable the electrode plate 11 to be in contact with the inductor 6, so that the alarm 7 quickly responds to alarm to inform a worker to overhaul, prevent a large amount of leaked hydrogen from gathering, adsorb the leaked hydrogen through the air bag 8, and effectively prevent accidents.
Wherein, the electrode plate 11 is arranged in sliding contact with the inductor 6, and the slider 10 is arranged in sliding contact with the inner wall of the protective sleeve 4.
Wherein, spring 9 sets up with protective sleeve 4 inner bottom surface contact, and gasbag 8 sets up to the ring form, and gasbag 8 sets up between one-level pipeline 1 and protective sleeve 4.
The functional principle of the present invention can be illustrated by the following operation modes;
when the hydrogen leakage detection early warning device is installed, the installation seat 3 is fixedly connected with the primary pipeline 1, the secondary pipeline 2 penetrates through the protective sleeve 4 and is fixedly connected with the primary pipeline 1, the protective sleeve 4 on the outer wall of the secondary pipeline 2 is rotatably connected with the installation seat 3, the inner cavity of the protective sleeve 4 is sealed, the protective sleeve 4 can prevent the hydrogen from diffusing and expanding during hydrogen leakage, the hydrogen leakage range is effectively reduced, and the rotatable protective sleeve 4 can be disassembled to quickly repair the damaged position of the connection part.
This hydrogen leakage detection early warning device passes through the setting of early warning mechanism, when the hydrogen leakage takes place for one- level pipeline 1 and 2 junctions of second grade pipeline, make 8 expansions of gasbag that the junction set up take place deformation, 8 increase extrusion slider 10 springs 9 of gasbag take place elastic deformation, make slider 10 down with electrode slice 11 that the lateral wall is connected together lapse, make electrode slice 11 and the contact of inductor 6, make electrode slice 11, form a route between inductor 6 and the alarm 7, inductor 6 makes alarm 7 quick response report to the police (contact alarm forms a route, this is prior art, do not do detailed description), examine and repair in order to inform the staff, prevent to leak a large amount of gathering of hydrogen, and adsorb the hydrogen of leaking through gasbag 8, effectively prevent the emergence of accident.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.
Claims (6)
1. A hydrogen leakage detection early warning device for a hydrogen pipeline comprises a primary pipeline (1) and a secondary pipeline (2) welded on the outer wall of the primary pipeline (1), and is characterized in that a mounting seat (3) is arranged outside the secondary pipeline (2), and the mounting seat (3) is welded on the outer wall of the primary pipeline (1);
protective sleeve (4) have been cup jointed on second grade pipeline (2) outer wall, second grade pipeline (2) are keeping away from the one end of one-level pipeline (1) is seted up screw thread, just protective sleeve (4) with mount pad (3) pass through the screw thread rotates the connection, connecting hole (5) have been seted up to the outer wall of protective sleeve (4), fixed mounting has inductor (6) on connecting hole (5), inductor (6) are keeping away from the other end fixedly connected with alarm (7) of connecting hole (5), be provided with early warning mechanism in protective sleeve (4).
2. The hydrogen leakage detection and early warning device for the hydrogen pipeline as claimed in claim 1, wherein the early warning mechanism comprises an air bag (8), a spring (9), a slide block (10) and an electrode plate (11); spring (9) cup joints on the outer wall of secondary pipeline (2), just spring (9) set up in protective sleeve (4), slider (10) fixed connection be in the top of spring (9), electrode slice (11) fixed connection be in the lateral wall of slider (10), gasbag (8) set up in protective sleeve (4), just gasbag (8) are installed one-level pipeline (1) with the junction of secondary pipeline (2).
3. The hydrogen leakage detection and early warning device for the hydrogen pipeline as claimed in claim 1, wherein a through hole is formed in the bottom wall of the protective sleeve (4), and the secondary pipeline (2) is fixedly connected with the primary pipeline (1) through the through hole.
4. The hydrogen leakage detection and early warning device for the hydrogen pipeline as claimed in claim 1, wherein the size of the sensor (6) is consistent with that of the connecting hole (5), the contact surface of the inner wall of the sensor (6) is an arc surface, and the arc surface is consistent with the radian of the inner wall of the protective sleeve (4).
5. The hydrogen leakage detection and early warning device for the hydrogen pipeline according to claim 2, wherein the electrode plate (11) is in sliding contact with the sensor (6), and the slider (10) is in sliding contact with the inner wall of the protective sleeve (4).
6. The hydrogen leakage detection and early warning device for the hydrogen pipeline as claimed in claim 2, wherein the spring (9) is in contact with the inner bottom surface of the protective sleeve (4), the air bag (8) is annular, and the air bag (8) is arranged between the primary pipeline (1) and the protective sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122017269.9U CN216976538U (en) | 2021-08-25 | 2021-08-25 | Hydrogen pipeline hydrogen leakage detection early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122017269.9U CN216976538U (en) | 2021-08-25 | 2021-08-25 | Hydrogen pipeline hydrogen leakage detection early warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216976538U true CN216976538U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122017269.9U Active CN216976538U (en) | 2021-08-25 | 2021-08-25 | Hydrogen pipeline hydrogen leakage detection early warning device |
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|---|---|
| CN (1) | CN216976538U (en) |
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2021
- 2021-08-25 CN CN202122017269.9U patent/CN216976538U/en active Active
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