CN218845774U

CN218845774U - Hydrogen leakage detection device

Info

Publication number: CN218845774U
Application number: CN202223346378.6U
Authority: CN
Inventors: 董文平; 孙志华; 刘飞
Original assignee: Weifang Zhongcheng Automation Equipment Co ltd
Current assignee: Weifang Zhongcheng Automation Equipment Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-11
Anticipated expiration: 2032-12-14

Abstract

The utility model belongs to the technical field of hydrogen leakage detection, a hydrogen leakage detection device is related to, including the fixed plate, the fixed plate internal rotation is equipped with double-end screw, and double-end screw threaded connection has two bracing pieces, and two bracing pieces fixedly connected with splint respectively have seted up a plurality of through-holes on the inner wall of splint, and the top of fixed plate is equipped with the bin, and the filling has fertile water in the bin, and it has the raceway to communicate respectively between the bottom both sides of bin and the two splint. The utility model discloses a double threaded screw drives splint and removes for the splint centre gripping is in hydrogen pipeline junction, and the soapy water in the bin passes through the raceway and gets into in the splint, then flows to hydrogen pipeline junction through the through-hole of seting up on the splint, thereby carries out all-round, quick detection to the condition of revealing of pipeline junction, if there is the bubble then has and reveals, if there is not the bubble then do not reveal, the device simple structure, it is more convenient to use, and the testing result is accurate.

Description

Hydrogen leakage detection device

Technical Field

The utility model belongs to the technical field of hydrogen leak testing, specifically be a hydrogen leak testing device.

Background

Hydrogen is a simple substance formed by hydrogen element. Hydrogen is a colorless, tasteless, extremely combustible and insoluble gas at normal temperature and pressure. The density of hydrogen is only 1/14 of that of air, is the gas with the minimum known density in the world, and hydrogen is a good chemical raw material, and is usually conveyed through a pipeline at present, so that the leakage detection of the joint of the pipeline is needed, and the occurrence of explosion and combustion accidents caused by the leakage of hydrogen is avoided.

At present when revealing and detecting hydrogen, generally all use the sensor to detect, CN216621628U discloses a portable hydrogen leakage detection device, including the detection device body, detection device body upper end is equipped with the hydrogen sensor, the circular slot has been seted up to detection device body lower extreme, circular slot top middle part fixedly connected with bolt post, the slot has been seted up on bolt post side upper portion, bolt post outside cover is equipped with the wind spring, the interior stiff end of wind spring is pegged graft in the slot, the other end fixedly connected with of wind spring runs through the acting as go-between of detection device body, the detection device body is seted up and is acted as go-between assorted through-hole, bolt post outside threaded connection have with circular slot assorted closing cap, the end of acting as go-between is equipped with connecting bolt, the outside cover of acting as go-between is equipped with the slide, the slide be equipped with and act as go-between assorted spout, the slide is equipped with the first screw hole with connecting bolt assorted. Above-mentioned detection device detects hydrogen through hydrogen sensor and whether has the leakage, and this hydrogen sensor is gas-sensitive type sensor, and it is through the hydrogen concentration in the detection air, and it has the leakage to differentiate hydrogen, and this kind of gas-sensitive type sensor response scope is limited, needs hydrogen to leak for a long time after, and it just can be detected to fill this gas-sensitive type sensor response within range, and reaction rate is slower, and detection speed is slower, when detecting pipeline junction, and the testing result is not very accurate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a hydrogen leakage detection device has solved present when revealing to hydrogen and detect, all uses the sensor to detect usually, and this kind of detection method need fill its response within range and just can be detected, and detection speed is slower, when detecting pipeline junction, and the testing result is very accurate problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a hydrogen leakage detection device, includes the fixed plate, it is equipped with double-end screw to rotate on one side inner wall of fixed plate, double-end screw's both sides screw thread sets up on the contrary, double-end screw's the other end runs through fixed plate and fixedly connected with handle, double-end screw's both sides outer wall threaded connection respectively has the bracing piece, two the bottom difference fixedly connected with splint of bracing piece, splint are inside hollow structure, a plurality of through-holes have been seted up on the inner wall of splint, the top of fixed plate is equipped with the bin, the filling has fertile soap water in the bin, the bottom both sides and the two of bin communicate respectively between the splint and have the raceway.

As an improvement, one side outer wall of bin is equipped with the backup pad, the sliding tray has been seted up in the backup pad, it is equipped with the slide bar to slide in the sliding tray, the slide bar with be equipped with the spring between the bottom of sliding tray, the other end fixedly connected with dead lever of slide bar, the bottom of dead lever is equipped with the piston, the both ends of piston can be followed the both sides inner wall of bin slides from top to bottom, keep away from on the fixed plate rotate on one side outer wall of handle and be equipped with the dwang, the one end of dwang is equipped with the crank, be fixed with the rolling wheel on the outer wall of dwang, the winding has the stay cord on the rolling wheel, the other end of stay cord is fixed on the slide bar.

As a further improvement, the water conveying pipe is provided with a one-way valve.

As a further improvement, one end of the fixing plate, which is far away from the handle, is in threaded connection with a limiting pin, the limiting pin is located below the double-threaded screw, and a plurality of limiting holes matched with the limiting pin are formed in the outer wall of one side, which is close to the fixing plate, of the winding wheel along the circumferential direction.

As an improvement, the outer wall of one side of the storage box is provided with a liquid level meter.

Compared with the prior art, the utility model discloses possess following beneficial effect:

the utility model discloses a double threaded screw drives splint and removes, make the splint centre gripping in hydrogen pipeline junction, soapy water in the bin passes through the raceway and gets into in the splint, then through-hole flow to hydrogen pipeline junction seted up on the splint, thereby carry out the all-round to the condition of revealing of pipeline junction, quick detection, if there is the bubble then there is revealing, if there is not the bubble then do not reveal, the device simple structure, it is more convenient to use, the testing result is accurate, and do not need artifical handheld splint, avoid when detecting, the condition that the skew leads to the inspection result to be inaccurate appears trembling to the hand.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front sectional view of the storage box of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of the structure of the wind-up wheel of the present invention;

in the figure: 1. a fixing plate; 2. a double-ended screw; 3. a handle; 4. a support bar; 5. a splint; 6. a water delivery pipe; 7. a one-way valve; 8. a storage tank; 9. a piston; 10. fixing the rod; 11. a slide bar; 12. a spring; 13. a support plate; 14. pulling a rope; 15. a winding wheel; 16. rotating the rod; 17. a crank; 18. a spacing pin; 19. a limiting hole; 20. a liquid level meter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 2-3, the present invention provides a technical solution: the utility model provides a hydrogen leakage detection device, which comprises a fixing plate and i, one side inner wall of fixed plate 1 passes through a bearing swing joint with double-threaded screw 2's one end, the screw thread of 2 both sides of double-threaded screw sets up on the contrary, the outer wall that double-threaded screw 2's the other end runs through fixed plate 1 extends to the outside of fixed plate 1, and fixedly connected with handle 3, double-threaded screw 2's lateral wall respectively with the inner wall threaded connection of two bracing pieces 4, the bottom of two bracing pieces 4 all with splint 5 fixed connection, splint 5's inner wall is hollow structure, a plurality of through-holes have been seted up on splint 5's the inner wall, the top of fixed plate 1 and bin 8's bottom fixed connection, equal fixedly connected with raceway 6 between bin 8's both sides and splint 5, be equipped with check valve 7 on raceway 6, bin 8's inside filling has fertile soap water.

During the use, through rotating handle 3, handle 3 drives double threaded screw 2 and rotates, and double threaded screw 2 drives bracing piece 4 and rotates, and fixed plate 1 is spacing to bracing piece 4 for bracing piece 4 drives splint 5 and removes, thereby makes splint 5 centre gripping in hydrogen pipeline junction.

As shown in fig. 1 to 4, the technical solution of the present embodiment different from the first embodiment includes: the outer wall of one end of fixed plate 1 far away from handle 3 passes through two swing joint of bearing with the one end of dwang 16, the one end of dwang 16 and one side outer wall fixed connection of crank 17, the cover is equipped with rolling wheel 15 and with the inner wall fixed connection of rolling wheel 15 on the outer wall of dwang 16, the one end that fixed plate 1 kept away from handle 3 still threaded connection has spacer pin 18, spacer pin 18 runs through fixed plate 1, one side outer wall that rolling wheel 15 is close to fixed plate 1 is equipped with a plurality of spacing holes 19, when dwang 16 drives rolling wheel 15 and rotates to required position, spacer pin 18 can stretch into spacing in the spacing hole 19 and carry out spacing to rolling wheel 15, avoid dwang 16 gyration and drive piston activity from top to bottom, the outer wall of rolling wheel 15 and the one end fixed connection of stay cord 14, stay cord 14 slides around on the outer wall of rolling wheel 15, the other end fixed mounting of stay cord 14 is on one side outer wall of slide bar 11, one side outer wall of slide bar 11 and the inner wall sliding connection of backup pad 13, the one end of slide bar 11 runs through the outer wall of backup pad 13 and extends to the outside of backup pad 13, the bottom fixed connection of piston is connected with the fixed connection of piston 12, the top of fixed spring 9 of the fixed connection of the fixed bar 10, the fixed connection of the other end of the piston, the fixed bar 9 of the fixed connection of the piston, the piston is connected with the top of the fixed bar 10 of the piston, the fixed connection of the storage box of the fixed bar 9 of the fixed bar 10. The outer wall of one side of the storage tank 8 is also provided with a liquid level meter 20, and the liquid level meter 20 can display the amount of soapy water in the storage tank 8.

During the use, press from both sides splint 5 after the hydrogen pipeline junction, rotate crank 17, crank 17 drives dwang 16 and rotates, dwang 16 drives wind wheel 15 and rotates, wind wheel 15 drives stay cord 14 around rolling up on wind wheel 15, stay cord 14 drives slide bar 11 and removes, slide bar 11 drives dead lever 10 and removes, dead lever 10 drives piston 9 and removes, the fertile water of piston 9 extrusion in the bin 8 removes, make fertile water pass through check valve 7, raceway 6 gets into in splint 5, then spout to hydrogen pipeline junction through the through-hole of seting up on splint 5, thereby detect the condition of revealing, if there is the bubble then reveal, if there is not the bubble then do not reveal.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydrogen leakage detection device, includes the fixed plate, its characterized in that: rotate on one side inner wall of fixed plate and be equipped with double-end screw, double-end screw's both sides screw thread sets up on the contrary, double-end screw's the other end runs through fixed plate and fixedly connected with handle, double-end screw's both sides outer wall threaded connection has the bracing piece respectively, two the bottom of bracing piece is fixedly connected with splint respectively, splint are inside hollow structure, a plurality of through-holes have been seted up on the inner wall of splint, the top of fixed plate is equipped with the bin, the filling has fertile soap water in the bin, the bottom both sides and two of bin communicate respectively between the splint and have the raceway.

2. The hydrogen gas leakage detection device according to claim 1, characterized in that: one side outer wall of bin is equipped with the backup pad, the sliding tray has been seted up in the backup pad, it is equipped with the slide bar to slide in the sliding tray, the slide bar with be equipped with the spring between the bottom of sliding tray, the other end fixedly connected with dead lever of slide bar, the bottom of dead lever is equipped with the piston, the both ends of piston can be followed the both sides inner wall of bin slides from top to bottom, keep away from on the fixed plate rotate on one side outer wall of handle and be equipped with the dwang, the one end of dwang is equipped with the crank, be fixed with the rolling wheel on the outer wall of dwang, the winding has the stay cord on the rolling wheel, the other end of stay cord is fixed on the slide bar.

3. The hydrogen leakage detection device according to claim 1 or 2, characterized in that: the water delivery pipe is provided with a one-way valve.

4. The hydrogen gas leakage detection device according to claim 2, characterized in that: one end threaded connection that the handle was kept away from to the fixed plate has the spacer pin, the spacer pin is located double-threaded screw's below, the rolling wheel is close to be equipped with on one side outer wall of fixed plate along circumference a plurality of with the spacing hole of spacer pin looks adaptation.

5. The hydrogen gas leakage detection device according to claim 1, characterized in that: and a liquid level meter is arranged on the outer wall of one side of the storage box.