CN218295359U

CN218295359U - Hydrogen safety inspection device

Info

Publication number: CN218295359U
Application number: CN202221277807.6U
Authority: CN
Inventors: 宋玉晨; 姜秀丽; 付颖涛; 韩辉; 李闫; 常磊; 张洪伟; 张帆; 马振华
Original assignee: Beijing Lead Electric Equipment Co Ltd
Current assignee: Beijing Lead Electric Equipment Co Ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2023-01-13
Anticipated expiration: 2032-05-25

Abstract

The utility model relates to a hydrogen safety inspection device, including first stopper, the second stopper, detect shell and carbon dust, the one end of first stopper and second stopper is articulated, the other end is provided with fixing device, the holding tank has been seted up to one side that first stopper and second stopper are close to each other, detect the fixed top that sets up at first stopper of shell, the bottom of detecting the shell has been seted up with the intercommunicating pore, be provided with first filter plate in the detection shell, first air vent has been seted up to the array on the first filter plate, the carbon dust sets up on first filter plate, it adopts transparent material to make to detect the shell. The staff is located the holding tank of first stopper and second stopper with hydrogen cylinder and defeated hydrogen pipe connection department, then uses fixing device to fix, when the gas leakage condition appears in hydrogen cylinder and defeated hydrogen pipe connection department, hydrogen enters into and detects the shell and promotes the carbon dust and carry out irregular removal in detecting the shell, explains this moment that hydrogen takes place to leak, conveniently detects hydrogen and pipeline leakage condition.

Description

Hydrogen safety inspection device

Technical Field

The application relates to the field of hydrogen detection, in particular to a hydrogen safety detection device.

Background

Hydrogen is a very combustible gas at normal temperature and pressure. Colorless, transparent, odorless, tasteless, and insoluble in water. Hydrogen is the least dense gas known in the world, and has a density of only 1/14 that of air, i.e., at 1 atm and 0 deg.C, and a density of 0.08g/L. Hydrogen is often used as a fuel.

At present, a worker firstly flushes hydrogen into a hydrogen cylinder, then transports the hydrogen cylinder to a designated position, detachably connects an air outlet end of the hydrogen cylinder with a hydrogen transmission pipeline, and then opens a valve of the hydrogen transmission pipeline, so as to input hydrogen in the hydrogen cylinder into the hydrogen transmission pipeline. However, a gap is easy to appear at the joint of the hydrogen cylinder and the hydrogen conveying pipeline, so that hydrogen leaks out from the gap, and potential safety hazards are generated.

SUMMERY OF THE UTILITY MODEL

For the convenience detect hydrogen and the pipeline condition of leaking, this application provides a hydrogen safety inspection device.

The application provides a hydrogen safety inspection device adopts following technical scheme:

the utility model provides a hydrogen safety inspection device, includes first stopper, second stopper, detects shell and carbon dust, the one end of first stopper and second stopper is articulated, the other end is provided with and is used for the fixing device with first stopper and second stopper reciprocal anchorage, the holding tank that is used for holding hydrogen cylinder and defeated hydrogen pipeline junction is offered to one side that first stopper and second stopper are close to each other, detect the fixed top that sets up at first stopper of shell, detect the inside cavity of shell, the intercommunicating pore with the holding tank intercommunication is seted up to the bottom of detecting the shell, be provided with first filter plate in the detection shell, first air vent has been seted up to the array on the first filter plate, the carbon dust sets up on first filter plate, it adopts transparent material to make to detect the shell.

Through adopting above-mentioned technical scheme, the staff is located the holding tank of first stopper and second stopper with hydrogen cylinder and defeated hydrogen pipe connection department, then use fixing device to fix, when the gas leakage condition appears in hydrogen cylinder and defeated hydrogen pipe connection department, hydrogen is discharged into the holding tank from the gap of hydrogen cylinder and defeated hydrogen pipe connection department, and enter into through the intercommunicating pore and detect in the shell, and promote the carbon dust through first air vent and carry out irregular removal in detecting the shell, explain this moment that hydrogen takes place to leak, conveniently detect hydrogen and pipeline leakage condition.

Optionally, the top of the detection shell is provided with an air bag, and the top of the detection shell is provided with an air outlet communicated with the inside of the detection shell.

Through adopting above-mentioned technical scheme, the hydrogen that enters into in the detection shell enters into the gasbag through the venthole, collects hydrogen, and it is convenient to collect hydrogen.

Optionally, a second filter plate is arranged in the detection shell, the second filter plate is arranged above the first filter plate, and a second vent hole is formed in the second filter plate.

Through adopting above-mentioned technical scheme, hydrogen enters into the gasbag through the second venthole of second filter plate in, the carbon dust is intercepted by the second filter plate, effectively avoids the carbon dust to enter into in the gasbag.

Optionally, a vacuum pump is arranged on the second limiting block, an exhaust pipeline is arranged on the vacuum pump, one end of the exhaust pipeline is connected with the vacuum pump, the other end of the exhaust pipeline is communicated with the accommodating groove, and a switch valve used for opening and closing the exhaust pipeline is arranged on the exhaust pipeline.

Through adopting above-mentioned technical scheme, when the staff observed the carbon dust and removed, the staff closed the end of giving vent to anger of hydrogen cylinder, then opened the vacuum pump, made hydrogen discharge through exhaust duct, effectively avoided hydrogen to remain in hydrogen safety inspection device, improved the security.

Optionally, the fixing device includes a screw, the first limiting block is provided with a through hole, the second limiting block is provided with a threaded hole, and the screw penetrates through the through hole and is in threaded connection with the threaded hole.

Through adopting above-mentioned technical scheme, thereby the staff passes the perforation of first stopper with the screw rod and with the screw hole threaded connection of second stopper with first stopper and second stopper reciprocal anchorage, fixed first stopper and second stopper.

Optionally, a limiting hole communicated with the through hole is formed in the outer side wall of the first limiting block, a limiting rod is arranged on the first limiting block, a clamping hole communicated with the limiting hole is formed in the side wall of the screw, and the limiting rod penetrates through the limiting hole and is clamped with the clamping hole.

Through adopting above-mentioned technical scheme, the gag lever post passes stopper and joint hole joint, effectively avoids taking place relative displacement between screw rod and the perforation, improves the steadiness that first stopper and second stopper are connected.

Optionally, a push block is arranged on the side wall of the limiting rod, a sliding groove is formed in the side wall of the limiting hole, the push block is connected in the sliding groove in a sliding mode along the depth direction of the limiting hole, and an elastic piece used for driving the push block to move towards the direction close to the clamping hole is arranged in the sliding groove.

Through adopting above-mentioned technical scheme, when the staff was fixed with first stopper and second stopper, removed the ejector pad to the direction of keeping away from the joint hole, then aligns the joint hole and the spacing hole of screw rod, then loosens the gag lever post, the gag lever post under the drive of elastic component with the screw rod joint, clamping screw is firm.

Optionally, a rubber pad is arranged on the side wall of the first limiting block, which is close to the second limiting block.

By adopting the technical scheme, the rubber pad fills the gap between the first limiting block and the second limiting block, and the sealing property between the first limiting block and the second limiting block is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

workers can judge whether the joint of the hydrogen cylinder and the hydrogen conveying pipeline leaks or not by detecting that the carbon powder in the shell cannot move, so that the leakage condition of the hydrogen and the pipeline is conveniently detected;

when the worker observes that the carbon powder moves, the worker closes the gas outlet end of the hydrogen cylinder, then opens the vacuum pump, and the hydrogen is discharged through the exhaust pipeline, so that the hydrogen is effectively prevented from remaining in the hydrogen safety detection device, and the safety is improved;

the staff thereby passes the perforation of first stopper with the screw rod and with the screw hole threaded connection of second stopper with first stopper and second stopper reciprocal anchorage, fixes first stopper and second stopper and stabilizes.

Drawings

Fig. 1 is a schematic overall structure diagram of a hydrogen safety detection device according to an embodiment of the present application.

Fig. 2 is a partial sectional view of a first stopper and a detection shell of the hydrogen safety detection device according to the embodiment of the present application.

Fig. 3 is a partial sectional view of a first stopper and a second stopper of the hydrogen safety detection device according to the embodiment of the present application.

Description of the reference numerals: 1. a first stopper; 2. a second limiting block; 3. detecting the shell; 4. carbon powder; 5. a fixing device; 51. a screw; 52. a limiting rod; 6. accommodating a tank; 7. a communicating hole; 8. a first filter plate; 9. a rubber pad; 10. an air bag; 11. an air outlet; 12. a second filter plate; 13. a second vent hole; 14. a vacuum pump; 15. an exhaust duct; 16. an on-off valve; 17. a limiting hole; 18. a clamping hole; 19. pushing a block; 20. a sliding groove; 21. an elastic member.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses hydrogen safety inspection device. Referring to fig. 1, fig. 2, hydrogen safety inspection device includes first stopper 1, second stopper 2, detect shell 3 and carbon dust 4, first stopper 1 and second stopper 2's one end is articulated, the other end is provided with and is used for the fixing device 5 with first stopper 1 and second stopper 2 reciprocal anchorage, first stopper 1 and second stopper 2 one side that is close to each other are offered and are used for holding the holding tank 6 of hydrogen cylinder and hydrogen transportation pipeline junction, detect the top of shell 3 fixed mounting at first stopper 1, the intercommunicating pore 7 with holding tank 6 intercommunication is offered to the bottom of detecting shell 3, install first filter plate 8 in detecting shell 3, first air vent has been seted up to the array on first filter plate 8, carbon dust 4 is placed on first filter plate 8.

When inputting hydrogen in the hydrogen cylinder to the hydrogen transmission pipeline, the staff firstly connects the air outlet end of the hydrogen cylinder with the hydrogen transmission pipeline through a hose, then installs the first limiting block 1 and the second limiting block 2 on the hydrogen transmission pipeline, enables the accommodating groove 6 on the first limiting block 1 and the second limiting block 2 to be positioned in the joint of the hydrogen cylinder and the hydrogen transmission pipeline, then fixes the first limiting block 1 and the second limiting block 2 by using the fixing device 5, then observes whether the carbon powder 4 floats in the detection shell 3 or not, when the carbon powder 4 floats in the detection shell 3, explains that the gas leakage condition appears at the joint of the hydrogen cylinder and the hydrogen transmission pipeline, the staff needs to stop the hydrogen transmission in time, and is convenient to detect the hydrogen leakage condition with the pipeline.

The first limiting block 1 and the second limiting block 2 are made of alloy materials, and the containing groove 6 of the first limiting block 1 and the containing groove 6 of the second limiting block 2 seal the joint of the hydrogen cylinder and the hydrogen transmission pipeline, so that hydrogen leaked from the joint of the hydrogen cylinder and the hydrogen transmission pipeline enters the containing groove 6. The first stopper 1 is located above the second stopper 2.

Referring to fig. 1 and 2, the detection shell 3 is made of a transparent material, in this embodiment, the detection shell 3 is made of colorless and transparent glass, and the detection shell 3 is hollow and has a communication hole 7 at the bottom. Detect the inside wall of shell 3 and install first filter plate 8 along the horizontal direction, 8 size of first filter plate and the inside wall adaptation that detects shell 3, first filter plate 8 adopts colorless transparent glass to make. The first filter plate 8 is provided with first vent holes in an array manner, so that hydrogen entering the accommodating tank 6 passes through the communicating hole 7 and enters the detection shell 3.

The staff places carbon dust 4 on first filter plate 8, carbon dust 4 can't pass first air vent of first filter plate 8, when hydrogen passes through in the first air vent, carbon dust 4 is owing to block the open-top of first air vent, hydrogen will block the open-top at first air vent carbon dust 4 and blow off, make carbon dust 4 remove or float in detecting shell 3, the staff is according to the condition of carbon dust 4 in detecting shell 3, can judge whether leak takes place in hydrogen cylinder and defeated hydrogen pipeline junction, conveniently detect hydrogen and pipeline leakage condition.

The inner side wall of the detection shell 3 is provided with a second filter plate 12, the second filter plate 12 is arranged above the first filter plate 8, the second filter plate 12 is provided with a second vent hole 13, and the carbon powder 4 can not pass through the second vent hole 13, so that the carbon powder 4 can only move between the first filter plate 8 and the second filter plate 12.

Detect the top of shell 3 and install gasbag 10, the inside cavity and the bottom opening of gasbag 10, the venthole 11 with the inside intercommunication of detection shell 3 is seted up at the top of detecting shell 3. In hydrogen through second filter plate 12 entered into gasbag 10 through venthole 11, gasbag 10 was collected hydrogen, effectively avoided the hydrogen of leaking to contact with external environment, collected hydrogen convenience and improved the security.

Referring to fig. 1 and fig. 3, in this embodiment, the fixing device 5 includes a screw 51 and a limiting rod 52, a through hole is provided on the first limiting block 1, a threaded hole is provided on the second limiting block 2, and the screw 51 passes through the through hole of the first limiting block 1 and is in threaded connection with the threaded hole of the second limiting block 2.

Set up on the lateral wall of first stopper 1 with the spacing hole 17 of perforation intercommunication, set up on the lateral wall of screw rod 51 with the joint hole 18 of spacing hole 17 intercommunication, gag lever post 52 passes the spacing hole 17 of first stopper 1 and with the joint hole 18 joint of screw rod 51.

Thereby the staff passes the perforation of first stopper 1 with screw rod 51 and with the screw hole threaded connection of second stopper 2 with first stopper 1 and second stopper 2 reciprocal anchorage, uses gag lever post 52 to pass stopper and joint hole 18 joint after that, effectively avoids taking place relative displacement between screw rod 51 and the perforation, improves the steadiness that first stopper 1 and second stopper 2 are connected.

The side wall of the limiting rod 52 is provided with a push block 19, the side wall of the limiting hole 17 is provided with a sliding groove 20, the push block 19 is slidably connected in the sliding groove 20 along the depth direction of the limiting hole 17, and an elastic part 21 used for driving the push block 19 to move towards the direction close to the clamping hole 18 is arranged in the sliding groove 20. The elastic member 21 is a spring, one end of the spring is fixedly connected with the push block 19, and the other end of the spring is fixedly connected with the side wall of the sliding groove 20. When the staff was fixed with first stopper 1 and second stopper 2, with ejector pad 19 to keeping away from the direction removal in joint hole 18, then align screw 51's joint hole 18 with spacing hole 17, then loosen gag lever post 52, gag lever post 52 with screw 51 joint under the drive of elastic component 21, set screw 51 is firm.

In other embodiments, the fixing device 5 may also be a tab pull.

Referring to fig. 1 and 2, a vacuum pump 14 is installed on the second limiting block 2, an exhaust pipeline 15 is arranged at an air inlet end on the vacuum pump 14, an exhaust hole is formed in the side wall of the accommodating groove 6, an air outlet pipe of the vacuum pump 14 is connected with a tank, one end of the exhaust pipeline 15 is connected with the vacuum pump 14, the other end of the exhaust pipeline is communicated with the exhaust hole, and a switch valve 16 used for opening and closing the exhaust pipeline 15 is installed on the exhaust pipeline 15. When observing that the carbon powder 4 moves, the worker closes the gas outlet end of the hydrogen cylinder, then opens the vacuum pump 14 and the switch valve 16, so that the hydrogen is discharged into the cylinder through the exhaust pipeline 15, thereby effectively avoiding the hydrogen from remaining in the hydrogen safety detection device and improving the safety.

Referring to fig. 1, a rubber pad 9 is mounted on the side wall of the first limiting block 1 and the second limiting block 2, which are close to each other. The rubber pad 9 fills the gap between the first limiting block 1 and the second limiting block 2, and the sealing performance between the first limiting block 1 and the second limiting block 2 is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hydrogen safety inspection device which characterized in that: including first stopper (1), second stopper (2), detect shell (3) and carbon dust (4), the one end of first stopper (1) and second stopper (2) is articulated, the other end is provided with and is used for fixing first stopper (1) and second stopper (2) each other fixing device (5), holding tank (6) that are used for holding hydrogen cylinder and hydrogen transportation pipeline junction are seted up to one side that first stopper (1) and second stopper (2) are close to each other, detect the fixed top that sets up in first stopper (1) in shell (3), detect the inside cavity of shell (3), intercommunicating pore (7) with holding tank (6) intercommunication are seted up to the bottom of detecting shell (3), be provided with first filter plate (8) in detecting shell (3), first air vent has been seted up to array on first filter plate (8), carbon dust (4) set up on first filter plate (8), it adopts transparent material to make to detect shell (3).

2. A hydrogen safety detection device according to claim 1, characterized in that: the top of detecting shell (3) is provided with gasbag (10), detect the venthole (11) of shell (3) inside intercommunication of offering at the top of shell (3).

3. The hydrogen safety detection device according to claim 2, characterized in that: the detection device is characterized in that a second filter plate (12) is arranged in the detection shell (3), the second filter plate (12) is arranged above the first filter plate (8), and a second vent hole (13) is formed in the second filter plate (12).

4. A hydrogen safety detecting device according to claim 3, characterized in that: be provided with vacuum pump (14) on second stopper (2), be provided with exhaust duct (15) on vacuum pump (14), the one end and the vacuum pump (14) of exhaust duct (15) are connected, the other end and holding tank (6) intercommunication, be provided with on exhaust duct (15) and be used for opening and close on-off valve (16) of exhaust duct (15).

5. A hydrogen safety detection device according to claim 1, characterized in that: the fixing device (5) comprises a screw rod (51), a through hole is formed in the first limiting block (1), a threaded hole is formed in the second limiting block (2), and the screw rod (51) penetrates through the through hole and is in threaded connection with the threaded hole.

6. The hydrogen safety detection device according to claim 5, wherein: set up on the lateral wall of second stopper (2) with perforate spacing hole (17) that communicate, be provided with gag lever post (52) on second stopper (2), set up joint hole (18) with spacing hole (17) intercommunication on the lateral wall of screw rod (51), gag lever post (52) pass spacing hole (17) and with joint hole (18) joint.

7. The hydrogen safety detection device according to claim 6, wherein: be provided with ejector pad (19) on the lateral wall of gag lever post (52), sliding tray (20) have been seted up on the lateral wall of spacing hole (17), ejector pad (19) are along the degree of depth direction sliding connection of spacing hole (17) in sliding tray (20), be provided with in sliding tray (20) and be used for driving ejector pad (19) to the elastic component (21) that is close to the direction removal of joint hole (18).

8. A hydrogen safety detection device according to claim 1, characterized in that: and a rubber pad (9) is arranged on the side wall of the first limiting block (1) and the side wall of the second limiting block (2) which are close to each other.