Novel hydrogen generator convenient to maintain

Abstract

The utility model belongs to the field of hydrogen generators, particularly relates to a novel hydrogen generator convenient to maintain, and aims to solve the problems that the conventional hydrogen generator is relatively complicated in daily maintenance, needs to be closed, is relatively simple in design and lacks a necessary early warning function. A hydrogen generator body is arranged in the electrolytic tank, a gas-liquid separation device is arranged on one side of the hydrogen generator body, the gas-liquid separation device is connected with a first manual three-way switching valve through a pipeline, and two silica gel packed column filters are arranged in the electrolytic tank. When silica gel in the silica gel packed column filter needs to be replaced, a hydrogen generator body and a gas supply instrument do not need to be closed, when the liquid level of alkali liquor is lower than an early warning line, a buzzer alarm gives an alarm, water in a storage box is discharged through a strip-shaped hole, the water replenishing time of workers can be prolonged, and the failure rate of the device is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen generators, in particular to a novel hydrogen generator convenient for maintenance. Background Technique

[0002] Hydrogen generators are mainly used as the carrier gas supply source for gas chromatographs in laboratories, and can also be used as fuels, cooling media, reducing and protective gases, etc. They are essential tools for biology, genetics, environmental protection, medicine, hygiene, laboratories, analysis rooms, education and scientific research.

[0003] However, the current daily maintenance of hydrogen generators is relatively cumbersome. It is necessary to turn off the hydrogen generator. When hydrogen is used as the carrier gas of a gas chromatograph, such as when the thermal conductivity detector of a gas chromatograph uses hydrogen as the carrier gas, it is also necessary to turn off the gas chromatograph, which not only wastes time but also reduces the service life of the hydrogen generator. In addition, the current design of hydrogen generators is relatively simple and lacks necessary warning functions, such as a water level alarm function. Therefore, the utility model provides a hydrogen generator convenient for maintenance to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problems in the prior art that the daily maintenance of hydrogen generators is relatively cumbersome, it is necessary to turn off the hydrogen generator, and when hydrogen is used as the carrier gas of a gas chromatograph, such as when the thermal conductivity detector of a gas chromatograph uses hydrogen as the carrier gas, it is also necessary to turn off the gas chromatograph, which not only wastes time but also reduces the service life of the hydrogen generator. In addition, the current design of hydrogen generators is relatively simple and lacks necessary warning functions, and a novel hydrogen generator convenient for maintenance is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A novel hydrogen generator convenient for maintenance, including an electrolytic cell. Inside the electrolytic cell, there is a hydrogen generator body. One side of the hydrogen generator body is provided with a gas-liquid separation device. The gas-liquid separation device is connected to a first manual three-way switching valve through a pipeline. Inside the electrolytic cell, there are two silica gel-filled column filters. The silica gel-filled column filters are connected to the first manual three-way switching valve through pipelines. The two silica gel-filled column filters are connected to the same second manual three-way switching valve through pipelines. Inside the electrolytic cell, there are two molecular sieve-filled column filters. The two molecular sieve-filled column filters are communicated with the second manual three-way switching valve through pipelines. The two molecular sieve-filled column filters are fixedly communicated with the same hydrogen discharge pipe through pipelines. A valve is arranged on the hydrogen discharge pipe;

[0007] An early warning component for warning the water level is arranged inside the electrolytic cell;

[0008] A storage tank is fixedly connected to the inner wall of the top of the electrolytic cell, and a water replenishing component for replenishing water is arranged inside the storage tank;

[0009] A plugging component for plugging the storage tank is arranged at the top of the electrolytic cell.

[0010] In a possible design, the warning component is a liquid level sensor, the liquid level sensor is arranged on one side of the hydrogen generator body, and the liquid level sensor is electrically connected to the buzzer alarm.

[0011] In a possible design, the water replenishing component includes an inclined block fixedly connected to the inner wall of the bottom of the storage tank, a strip-shaped hole is formed in the inner wall of the bottom of the storage tank, the strip-shaped hole is used in cooperation with the inclined block, a liquid adding port is formed in the top of the electrolytic cell, and a plug is embedded in the liquid adding port.

[0012] In a possible design, the plugging component includes a sliding plate slidably penetrating through the top of the electrolytic cell, a baffle is fixedly connected to the bottom of the sliding plate, the baffle is used in cooperation with the strip-shaped hole, and a second limiting block is fixedly connected to the top of the sliding plate.

[0013] In a possible design, a fixed block is fixedly connected to the top of the electrolytic cell, two symmetrically arranged sliding blocks are slidably connected to the top of the electrolytic cell, the same compression spring is fixedly connected between the sliding block and the fixed block, a U-shaped block is fixedly connected to one side of the sliding block, the U-shaped block is located below the second limiting block, and the U-shaped block is used to support the second limiting block.

[0014] In a possible design, two symmetrically arranged sliding rods slidably penetrate through the top of the electrolytic cell, the same floating plate is fixedly connected to the bottoms of the two sliding rods, a first limiting block is fixedly connected to the top of the sliding rod, and notches are formed on both sides of the sliding rod, and the notches are used in cooperation with the U-shaped block.

[0015] In this application, when it is necessary to replace the silica gel in the silica gel filling column filter, there is no need to turn off the hydrogen generator body and the gas supply instrument. Just switch the first manual three-way switching valve to switch the gas path to another path. Without shutting down, directly remove the failed silica gel filling column filter and replace the deteriorated silica gel reagent. When it is necessary to replace the molecular sieve in the molecular sieve filling column filter, there is no need to turn off the hydrogen generator body and the gas supply instrument. Just switch the second manual three-way switching valve to switch the gas path to another path. Without shutting down, directly remove the failed molecular sieve filling column filter and replace the deteriorated molecular sieve reagent.

[0016] In addition, during daily work, due to frequent carelessness, the electrolytic cell of the hydrogen generator body may be damaged due to water shortage. According to incomplete statistics, 80%-90% of the damage to the hydrogen generator body occurs in the electrolytic cell, and the main reason for the damage to the electrolytic cell is water shortage. Therefore, this new type of hydrogen generator has added an electrolytic cell liquid level warning function. When the alkali liquid level is lower than the warning line, the buzzer alarm will sound, which can effectively prevent the electrolytic cell from being damaged due to water shortage in the hydrogen generator body;

[0017] And when the water level drops, the height of the floating plate gradually moves downwards. The floating plate drives the sliding rod to move downwards, and the sliding rod drives the first limit block to move downwards. When the notch moves to one side of the U-shaped block, at this time, the sliding block moves horizontally under the elastic force of the compression spring. The sliding block drives the U-shaped block to move horizontally, and the U-shaped block is clamped inside the notch. At this time, the U-shaped block no longer blocks the second limit block. At this time, the second limit block drives the sliding plate and the baffle to move downwards, and the baffle no longer blocks the strip hole. At this time, the water inside the storage box is discharged through the strip hole, which can extend the water replenishment time of the worker and reduce the failure rate of the device.

[0018] Beneficial effects:

[0019] In the present utility model, for the novel hydrogen generator that is easy to maintain, through the warning component, the effect of quickly alarming after the water level of the device drops can be achieved;

[0020] In the present utility model, for the novel hydrogen generator that is easy to maintain, through the water replenishment component, the effect of supplementing water in an emergency can be achieved, which can extend the water replenishment time of the worker and reduce the failure rate of the device.

[0021] In the present utility model, when it is necessary to replace the silica gel in the silica gel filling column filter, there is no need to shut down the hydrogen generator body and the gas supply instrument. Just switch the first manual three-way switching valve and the second manual three-way switching valve to switch the gas path to another path without shutting down. When the alkali liquid level is lower than the warning line, the buzzer alarm will sound, which can effectively prevent the electrolytic cell from being damaged due to water shortage in the hydrogen generator body. The water inside the storage box is discharged through the strip hole, which can extend the water replenishment time of the worker and reduce the failure rate of the device. Description of the drawings

[0022] Figure 1 It is a three-dimensional structure diagram of a novel hydrogen generator that is easy to maintain proposed by the present utility model;

[0023] Figure 2 It is a three-dimensional structure diagram of the hydrogen generator in a novel hydrogen generator that is easy to maintain proposed by the present utility model;

[0024] Figure 3A three-dimensional sectional structure diagram of an electrolytic cell in a novel hydrogen generator that is easy to maintain proposed by the present utility model;

[0025] Figure 4 A three-dimensional structure diagram of a floating plate and a baffle in a novel hydrogen generator that is easy to maintain proposed by the present utility model.

[0026] In the figure: 1, electrolytic cell; 2, valve; 3, first limit block; 4, plug; 5, hydrogen generator body; 6, liquid level sensor; 7, first manual three-way switching valve; 8, silica gel filling column filter; 9, second manual three-way switching valve; 10, molecular sieve filling column filter; 11, hydrogen discharge pipe; 13, gas-liquid separation device; 14, second limit block; 15, liquid addition port; 16, inclined block; 17, strip hole; 18, storage tank; 19, baffle; 20, floating plate; 21, sliding rod; 22, sliding plate; 23, sliding block; 24, notch; 25, U-shaped block; 26, compression spring; 27, fixed block. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0028] Embodiment 1

[0029] Refer to Figures 1-4, a new type of hydrogen generator that is convenient for maintenance, which is applied in the field of hydrogen generators, including: an electrolytic cell 1, inside the electrolytic cell 1 there is a hydrogen generator body 5, on one side of the hydrogen generator body 5 there is a gas-liquid separation device 13, the gas-liquid separation device 13 is connected to a first manual three-way switching valve 7 through a pipeline, inside the electrolytic cell 1 there are two silica gel packed column filters 8, the silica gel packed column filters 8 are connected to the first manual three-way switching valve 7 through a pipeline, the two silica gel packed column filters 8 are connected to the same second manual three-way switching valve 9 through a pipeline, inside the electrolytic cell 1 there are two molecular sieve packed column filters 10, the two molecular sieve packed column filters 10 are communicated with the second manual three-way switching valve 9 through a pipeline, the two molecular sieve packed column filters 10 are fixedly communicated with the same hydrogen discharge pipe 11 through a pipeline, and a valve 2 for controlling the opening and closing state is arranged on the hydrogen discharge pipe 11. When it is necessary to replace the silica gel in the silica gel packed column filter 8, there is no need to turn off the hydrogen generator body 5 and the gas supply instrument. Just switch the first manual three-way switching valve 7 to switch the gas path to another path. Without shutting down, directly remove the failed silica gel packed column filter 8 and replace the deteriorated silica gel reagent. When it is necessary to replace the molecular sieve in the molecular sieve packed column filter 10, there is no need to turn off the hydrogen generator body 5 and the gas supply instrument. Just switch the second manual three-way switching valve 9 to switch the gas path to another path. Without shutting down, directly remove the failed molecular sieve packed column filter 10 and replace the deteriorated molecular sieve reagent.

[0030] Inside the electrolytic cell 1, there is a warning component for warning the water level. The warning component is a liquid level sensor 6. The liquid level sensor 6 is arranged on one side of the hydrogen generator body 5, and the liquid level sensor 6 is electrically connected to a buzzer alarm. In addition, during daily work, due to carelessness, the electrolytic cell 1 of the hydrogen generator body 5 is often damaged due to water shortage. According to incomplete statistics, 80%-90% of the damage to the hydrogen generator body 5 occurs in the electrolytic cell 1, and a large part of the damage to the electrolytic cell 1 is caused by water shortage. Therefore, this new type of hydrogen generator has added a liquid level warning function for the electrolytic cell 1. When the alkali liquid level is lower than the warning line, the buzzer alarm will sound an alarm, which can effectively prevent the electrolytic cell 1 from being damaged due to water shortage in the hydrogen generator body 5.

[0031] The inner wall of the top of the electrolytic cell 1 is fixedly connected with a storage tank 18. Inside the storage tank 18, there is a water replenishing component. The water replenishing component includes an inclined block 16 fixedly connected to the inner wall of the bottom of the storage tank 18. A strip-shaped hole 17 is opened on the inner wall of the bottom of the storage tank 18. The strip-shaped hole 17 is used in cooperation with the inclined block 16. A liquid adding port 15 is opened on the top of the electrolytic cell 1, and a plug 4 for ensuring the sealing performance is embedded in the liquid adding port 15.

[0032] At the top of the electrolytic cell 1, there is a plugging component for plugging the storage tank 18. The plugging component includes a sliding plate 22 that slides through the top of the electrolytic cell 1. A baffle 19 is fixedly connected to the bottom of the sliding plate 22. The baffle 19 is used in cooperation with the strip-shaped hole 17 to plug the strip-shaped hole 17. A second limiting block 14 is fixedly connected to the top of the sliding plate 22. A fixed block 27 is fixedly connected to the top of the electrolytic cell 1. Two symmetrically arranged sliding blocks 23 are slidably connected to the top of the electrolytic cell 1. The same compression spring 26 is fixedly connected between the sliding block 23 and the fixed block 27. A U-shaped block 25 is fixedly connected to one side of the sliding block 23. The U-shaped block 25 is located below the second limiting block 14. The U-shaped block 25 is used to support the second limiting block 14. Two symmetrically arranged sliding rods 21 slidably penetrate through the top of the electrolytic cell 1. The same floating plate 20 is fixedly connected to the bottoms of the two sliding rods 21. A first limiting block 3 is fixedly connected to the top of the sliding rod 21. Notches 24 are formed on both sides of the sliding rod 21. The notches 24 are used in cooperation with the U-shaped block 25.

[0033] Embodiment 2

[0034] Reference Figures 1-4 , on the basis of Embodiment 1, it is improved: and when the water level drops, the height of the floating plate 20 gradually moves downwards. The floating plate 20 drives the sliding rod 21 to move downwards. The sliding rod 21 drives the first limiting block 3 to move downwards. When the notch 24 moves to one side of the U-shaped block 25, at this time, the sliding block 23 moves horizontally under the elastic force of the compression spring 26. The sliding block 23 drives the U-shaped block 25 to move horizontally. The U-shaped block 25 is clamped inside the notch 24. At this time, the U-shaped block 25 no longer blocks the second limiting block 14. At this time, the second limiting block 14 drives the sliding plate 22 and the baffle 19 to move downwards. The baffle 19 no longer blocks the strip-shaped hole 17. At this time, the water inside the storage tank 18 is discharged through the strip-shaped hole 17, which can extend the water replenishment time of the worker and reduce the failure rate of the device.

[0035] However, as is well known to those skilled in the art, the working principles and wiring methods of the first manual three-way switching valve 7, the second manual three-way switching valve 9, the silica gel packed column filter 8, the molecular sieve packed column filter 10, and the liquid level sensor 6 are common knowledge, and they all belong to conventional means or well-known common sense, so they will not be elaborated here. Those skilled in the art can make any selection according to their needs or convenience.

[0036] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent replacements or changes, and should be covered by the protection scope of the present invention.

Claims

1. A novel hydrogen generator that is convenient for maintenance, characterized in that, Comprising: An electrolytic cell (1), inside which a hydrogen generator body (5) is provided. On one side of the hydrogen generator body (5), a gas-liquid separation device (13) is provided. The gas-liquid separation device (13) is connected to a first manual three-way switching valve (7) through a pipeline. Inside the electrolytic cell (1), two silica gel packed column filters (8) are provided. The silica gel packed column filters (8) are connected to the first manual three-way switching valve (7) through pipelines. The two silica gel packed column filters (8) are connected to the same second manual three-way switching valve (9) through pipelines. Inside the electrolytic cell (1), two molecular sieve packed column filters (10) are provided. The two molecular sieve packed column filters (10) are communicated with the second manual three-way switching valve (9) through pipelines. The two molecular sieve packed column filters (10) are fixedly communicated with the same hydrogen discharge pipe (11) through pipelines. A valve (2) is provided on the hydrogen discharge pipe (11); An early warning component for warning of the water level is provided inside the electrolytic cell (1); A storage tank (18) is fixedly connected to the inner wall of the top of the electrolytic cell (1), and a water replenishing component for replenishing water is provided inside the storage tank (18); A plugging component for plugging the storage tank (18) is provided on the top of the electrolytic cell (1).

2. The novel hydrogen generator convenient for maintenance according to claim 1, wherein, The early warning component is a liquid level sensor (6), and the liquid level sensor (6) is provided on one side of the hydrogen generator body (5). The liquid level sensor (6) is electrically connected to a buzzer alarm.

3. A novel hydrogen generator that is convenient for maintenance according to claim 1, wherein, The water replenishing component includes an inclined block (16) fixedly connected to the inner wall of the bottom of the storage tank (18). A strip-shaped hole (17) is opened on the inner wall of the bottom of the storage tank (18). The strip-shaped hole (17) is used in cooperation with the inclined block (16). A liquid adding port (15) is opened on the top of the electrolytic cell (1), and a plug (4) is embedded in the liquid adding port (15).

4. A novel hydrogen generator convenient for maintenance according to claim 3, characterized in that, The plugging component includes a sliding plate (22) slidably penetrating through the top of the electrolytic cell (1). A baffle (19) is fixedly connected to the bottom of the sliding plate (22). The baffle (19) is used in cooperation with the strip-shaped hole (17). A second limiting block (14) is fixedly connected to the top of the sliding plate (22).

5. A novel hydrogen generator that is convenient for maintenance according to claim 4, wherein, A fixed block (27) is fixedly connected to the top of the electrolytic cell (1). Two symmetrically arranged sliding blocks (23) are slidably connected to the top of the electrolytic cell (1). A same compression spring (26) is fixedly connected between the sliding block (23) and the fixed block (27). A U-shaped block (25) is fixedly connected to one side of the sliding block (23). The U-shaped block (25) is located below the second limiting block (14), and the U-shaped block (25) is used to support the second limiting block (14).

6. A novel hydrogen generator that is easy to maintain according to claim 5, characterized in that, Two symmetrically arranged sliding rods (21) penetrate through the top of the electrolytic cell (1) in a sliding manner. The bottoms of the two sliding rods (21) are fixedly connected to the same floating plate (20). The top of the sliding rod (21) is fixedly connected to a first limiting block (3). Notches (24) are formed on both sides of the sliding rod (21), and the notches (24) are used in cooperation with U-shaped blocks (25).

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