Leak-proof hydrogen production apparatus

Abstract

The utility model discloses a kind of hydrogen production equipment of leakage prevention, it is related to hydrogen production equipment technical field, including bearing base, protective cover, top cover, display screen and PEM electrolyzer;Sealing mechanism is arranged above the bearing base, the sealing mechanism includes protective cover, top cover, long screw rod and bolt groove, the protective cover is installed above bearing base, the top cover is installed above protective cover, the bolt groove is set in bearing base bottom, the long screw rod is installed in top cover side, the display screen on top cover can intuitively show operating parameter, it is convenient to discover pressure anomaly, leakage overrun and so on in time, avoid risk in advance;Two symmetrical sealing pads of top cover bottom cooperate with pagoda head structure's first exhaust port, second exhaust port, form double seal, reduce interface leakage;The grid of detection hole can protect built-in sensor from impurity damage, ensure its continuous accurate monitoring leakage, capture tiny leakage in time to guarantee safety.

Description

Technical Field

[0001] This utility model relates to the field of hydrogen production equipment technology, specifically to a leak-proof hydrogen production equipment. Background Technology

[0002] As the global energy structure accelerates its transformation towards low-carbon and zero-carbon, green hydrogen, as a clean and efficient secondary energy carrier, is experiencing a surge in demand in areas such as industrial decarbonization, new energy storage, and fuel cells. Among these, proton exchange membrane electrolysis water production technology has become one of the core technology paths for green hydrogen production due to its outstanding advantages such as high hydrogen purity, rapid start-up response, and compatibility with fluctuating new energy power generation such as wind power and photovoltaics. It is particularly suitable for scenarios with extremely stringent requirements for hydrogen purity, such as semiconductor manufacturing and fine chemicals. However, in actual operation, leakage problems have always been a key bottleneck restricting the safety, operational stability, and further expansion of application scenarios of existing PEM water electrolysis hydrogen production equipment. It should be noted that although the "Controllable and Rapid Heating Electrolysis Hydrogen Production System" with application number CN201911079253.1 has features in terms of equipment start-up and temperature control—its separator is equipped with an upper and lower interface for a level gauge, and one of the separators has a water inlet above the electrolyte inlet, which is connected to the water tank via a water pump; in actual operation, the two level gauges and the water pump are linked, the water pump can calculate the average level, and replenish water to the corresponding separator based on the average level, thereby achieving the effect of quickly reaching the specified temperature and having a fast response rate when the equipment starts up, this system has obvious leakage prevention shortcomings: it does not have a redundant sealing structure designed, and after long-term operation, the heating wire interface is prone to leakage risk due to thermal expansion and contraction, which cannot effectively solve the core leakage bottleneck of PEM electrolysis hydrogen production equipment; Based on this, this solution proposes "a leak-proof hydrogen production device" to address the aforementioned problems. Utility Model Content

[0003] The purpose of this invention is to provide a leak-proof hydrogen production device to solve the problems of existing devices on the market as mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a leak-proof hydrogen production device, comprising a support base, a protective cover, a top cover, a display screen, and a PEM electrolyzer; A sealing mechanism is provided above the support base. The sealing mechanism includes a protective cover, a top cover, a long screw, and a bolt groove. The protective cover is installed above the support base, the top cover is installed above the protective cover, the bolt groove is located at the bottom of the support base, and the long screw is installed on the side of the top cover.

[0005] As a preferred technical solution of this utility model, the support base is hexagonal in shape, and a bolt groove is opened at the bottom of the support base. A long screw is installed through the bolt groove. A protective cover is fixedly connected to the top of the support base. Heat dissipation fins are fixedly connected to the side of the protective cover. A top cover is fitted on the top of the protective cover, and a sealing ring is sandwiched between the top cover and the protective cover. The top of the long screw penetrates the top cover for limiting and fixing, and there are six long screws evenly distributed in total. By adopting the above technical solution, the hexagonal support base is defined as having a hexagonal structure, six evenly distributed long screws are installed through the bolt grooves, heat dissipation fins are fixed to the side of the protective cover, and a sealing ring is sandwiched between the top cover and the protective cover. This not only gives the hexagonal support base better force balance and support stability, preventing the sealing interface from loosening due to vibration and center of gravity shift during equipment operation, thus laying the foundation for leak prevention, but also uses the six evenly distributed long screws to limit and fix the top cover, making the connection surface between the top cover and the protective cover evenly stressed. Combined with the sealing ring filling the microscopic gap between the two mating surfaces, this directly reduces the probability of leakage. At the same time, the heat dissipation fins on the side of the protective cover can quickly dissipate heat from inside the equipment, preventing local high temperatures from accelerating the aging of elastic seals such as the sealing ring, extending the service life of the seals and maintaining a long-term leak-proof effect.

[0006] As a preferred technical solution of this utility model, a display screen is fixedly connected to the upper surface of the top cover, and a sealing gasket is fixedly connected to the bottom of the top cover. There are two symmetrically distributed sealing gaskets, and through holes are opened on the surfaces of the two sealing gaskets to connect to the first exhaust port and the second exhaust port respectively. The first exhaust port and the second exhaust port are fixed to the upper surface of the top cover, and both the first exhaust port and the second exhaust port adopt a pagoda head structure. A detection hole is opened at the bottom of the top cover. A grille is set at the position of the detection hole for protection, and a sensor is built into the detection hole for detecting leakage. By adopting the above technical solution, a display screen is fixed on the upper surface of the top cover, two symmetrical sealing gaskets with through holes are fixed on the bottom, and the first and second exhaust ports are designed as pagoda-shaped structures with a grille and built-in sensor at the detection hole. This allows operators to intuitively grasp the equipment's operating parameters through the display screen, promptly detect abnormal pressure, excessive leakage, and other problems, and avoid leakage risks in advance. The through holes of the two sealing gaskets connect the first and second exhaust ports respectively, forming a double seal with the exhaust ports. The pagoda-shaped structure of the exhaust ports enhances the fit with the external gas pipeline, reducing leakage at the interface connection. The grille of the detection hole prevents impurities inside the equipment from contacting the built-in sensor, protecting the sensor from damage and ensuring its continuous and accurate monitoring of leakage, timely detection of even minor leaks to ensure safe equipment use.

[0007] As a preferred technical solution of this utility model, a water tank is slidably connected above the protective cover, and a water vapor separation box on the side of the water tank is slidably connected to the protective cover. The water vapor separation box is symmetrically divided into two parts. A sealing gasket is pressed on the top of the water vapor separation box. The water vapor separation box is filled with a porous filter medium to trap water droplets in the gas. By adopting the above technical solution, both the water tank and the water vapor separator are slidably connected to the protective cover. The water vapor separator is symmetrically divided into two parts and filled with porous filter media. This allows for subsequent replenishment of water in the water tank and replacement of the porous filter media in the water vapor separator without disassembling the sealed connection between the top cover and the protective cover. The water tank or water vapor separator can be directly slid out from above the protective cover, reducing wear and tear on the seals and decreased fitting accuracy caused by frequent disassembly and assembly of the sealing structure, thus reducing the risk of leakage during maintenance. The porous filter media in the water vapor separator effectively traps water droplets in the gas, preventing water droplets from entering downstream pipelines or interfaces, corroding the seals, and reducing sealing performance. At the same time, it improves the purity of hydrogen and oxygen. The symmetrically divided water vapor separator can be connected to the hydrogen and oxygen discharged from the PEM electrolyzer respectively, preventing the mixing of the two gases from causing safety hazards. Furthermore, the symmetrical structure ensures a balanced weight distribution inside the equipment, reducing local vibrations caused by a shift in the center of gravity, and indirectly protecting the stability of each sealing interface.

[0008] As a preferred technical solution of this utility model, the bottom of the water vapor separation box is equipped with two pipelines and a PEM electrolyzer. The pipelines connecting the PEM electrolyzer and the water vapor separation box are used to discharge hydrogen and oxygen respectively. The pipeline below the center line of the PEM electrolyzer is connected to a water pump. The water pump is connected to one end of a filter through a pipeline. The other end of the filter is connected to a water tank. The filter contains activated carbon for filtration. A first camera is fixedly connected to the upper surface of the support base. A second camera is fixedly connected inside the protective cover. The protective cover and the support base are filled with pure water to facilitate the observation of bubbles, prevent leakage, and conduct heat. By adopting the above technical solution, two pipelines connected to the PEM electrolyzer are configured at the bottom of the water-vapor separator. A water pump is connected to the pipeline below the centerline of the PEM electrolyzer. The water pump is connected to the filter, and the other end of the filter is connected to the water tank. Activated carbon is installed in the filter. The two independent pipelines are used to discharge hydrogen and oxygen respectively. This fundamentally avoids the safety hazards such as explosion and combustion caused by the mixing of hydrogen and oxygen, while ensuring that the two gases can be collected separately. The activated carbon in the filter can adsorb impurities in the circulating water, ensuring the purity of the water entering the PEM electrolyzer. This prevents impurities from clogging the proton exchange membrane of the PEM electrolyzer, causing local overheating of the electrolyzer and damaging the surrounding sealing structure. This ensures the long-term stable operation of the PEM electrolyzer and maintains the overall leak-proof capability of the equipment.

[0009] As a preferred technical solution of this utility model, the protective cover adopts a circular structure, and a fixing frame is fixedly connected to the upper surface of the bearing base, and the fixing frame is bolted to the PEM electrolyzer; The above technical solution uses a circular protective cover, which has less air resistance than a hexagonal one, thus improving the heat dissipation efficiency of the equipment. The mounting bracket is bolted to the PEM electrolyzer, and the connection method is recommended to facilitate maintenance and replacement.

[0010] Compared with the prior art, the beneficial effects of this utility model are: By defining a hexagonal support base, the overall force balance and support stability of the equipment are improved, preventing vibration from causing the sealing interface to loosen. Six evenly distributed long screws pass through the bolt grooves of the top cover and the support base, ensuring that the connection surface between the top cover and the protective cover is evenly stressed. Together with the sealing ring between the two, they fill the micro gaps and directly reduce the probability of leakage. At the same time, the heat dissipation fins on the side of the protective cover can dissipate internal heat, preventing high temperature from accelerating the aging of the seals and ensuring long-term leak-proof effect. The display screen on the top cover can intuitively display operating parameters, making it easy to detect problems such as abnormal pressure and excessive leakage in time, and avoid risks in advance; the two symmetrical sealing gaskets at the bottom of the top cover cooperate with the first and second exhaust ports of the pagoda head structure to form a double seal and reduce interface leakage; the grid of the detection hole can protect the built-in sensor from damage by impurities, ensuring that it continuously and accurately monitors leaks and promptly detects even the smallest leaks to ensure safety; Both the water tank and the water vapor separator are connected to the protective cover by a sliding connection, allowing for disassembly and maintenance without disassembling the sealing structure, thus reducing the risk of wear and leakage of the seals. The porous filter medium inside the water vapor separator can trap water droplets in the gas, preventing water droplets from corroding the seals and affecting the purity of the gas. Its symmetrical bisecting structure can separately transport the hydrogen and oxygen gases discharged from the PEM electrolyzer, preventing the safety hazard of mixing, while balancing the center of gravity of the equipment and reducing the impact of vibration on the sealing interface. The two independent pipelines of the water vapor separator and the PEM electrolyzer eliminate the risk of explosion caused by hydrogen-oxygen mixing at the source, and realize the separate collection of gas; the activated carbon in the filter can adsorb impurities in the water, ensuring the purity of the water entering the PEM electrolyzer and preventing it from being damaged by impurities, thus balancing the stable operation of the electrolyzer and the overall leak prevention capability. Attached Figure Description

[0011] Figure 1 This is a side view of the structure of this utility model; Figure 2 This is a schematic diagram of the protective cover and top cover structure of this utility model; Figure 3 This is a schematic diagram of the detection hole and sealing gasket structure of this utility model; Figure 4 This is a schematic diagram of the left side view of the top cover structure of this utility model; Figure 5 This is a schematic diagram of the sealing ring and water tank structure of this utility model; Figure 6 This is a top view of the protective cover of this utility model. Figure 7 This is a schematic diagram of the fixing frame and the first camera structure of this utility model; Figure 8 This is a schematic diagram of the bearing base and bolt groove structure of this utility model; Figure 9 This is a schematic diagram of the water pump and PEM electrolyzer of this utility model; Figure 10 This is a side view of the cross-sectional structure of the filter of this utility model; Figure 11 This is a side view structural diagram of Embodiment 2 of the present utility model.

[0012] In the diagram: 1. Support base; 2. Protective cover; 3. Top cover; 4. Display screen; 5. Heat dissipation fins; 6. First exhaust port; 7. Second exhaust port; 8. Long screw; 9. Detection hole; 10. Sealing gasket; 11. Sealing ring; 12. Water tank; 13. Water vapor separator; 14. Fixing frame; 15. First camera; 16. Bolt slot; 17. Second camera; 18. Filter; 19. Water pump; 20. PEM electrolyzer. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] Please see Figure 1-11 The present invention provides a leak-proof hydrogen production device. Example 1 For details, please refer to the following: Figures 1-10 It includes a support base 1, a protective cover 2, a top cover 3, a display screen 4, heat dissipation fins 5, a first exhaust port 6, a second exhaust port 7, a long screw 8, a detection hole 9, a sealing gasket 10, a sealing ring 11, a water tank 12, a water vapor separator 13, a fixing frame 14, a first camera 15, a bolt groove 16, a second camera 17, a filter 18, a water pump 19, and a PEM electrolyzer 20; The support base 1 is designed as a hexagonal structure with a bolt groove 16 at the bottom, through which a long screw 8 is installed. A protective cover 2 is fixedly connected to the top of the support base 1, and heat dissipation fins 5 are fixed to the side of the protective cover 2. A top cover 3 is fitted on top of the protective cover 2, and a sealing ring 11 is sandwiched between the top cover 3 and the protective cover 2. The top of the long screw 8 passes through the top cover 3 to achieve limiting and fixing, and there are six evenly distributed screws. The hexagonal support base 1 can improve the overall force balance and support stability, and avoid the loosening of the sealing interface due to vibration and center of gravity shift during equipment operation, thus laying the foundation for leakage prevention. The six evenly distributed long screws 8 can make the connection surface between the top cover 3 and the protective cover 2 evenly stressed. Together with the sealing ring 11, they fill the micro gap between the mating surfaces of the two, directly reducing the probability of leakage. At the same time, the heat dissipation fins 5 on the side of the protective cover 2 can quickly dissipate internal heat, avoiding local high temperature that accelerates the aging of elastic seals such as the sealing ring 11, and extending the service life of the seals to maintain long-term leakage prevention effect. The top cover 3 has a display screen 4 fixedly connected to its upper surface and two symmetrically distributed sealing gaskets 10 fixedly connected to its bottom. Both sealing gaskets 10 have through holes on their surfaces, connecting to the first exhaust port 6 and the second exhaust port 7 fixed to the top cover 3, respectively. Both exhaust ports adopt a pagoda-head structure. A detection hole 9 is provided at the bottom of the top cover 3. The hole is protected by a grille and has a built-in sensor for leak detection. Operators can intuitively monitor the equipment's operating parameters through the display screen 4, promptly detect abnormal pressure, excessive leakage, and other problems, and avoid leakage risks in advance. The two sealing gaskets 10, in conjunction with the pagoda-head structure exhaust ports, form a double seal, enhancing the fit between the exhaust ports and external gas pipelines and reducing leakage at the connection points. The grille of the detection hole 9 prevents impurities inside the equipment from contacting the built-in sensor, avoiding sensor damage and ensuring continuous and accurate monitoring of leaks, promptly capturing even minor leaks to ensure safe equipment operation. The water tank 12 is slidably connected to the top of the protective cover 2, and the water vapor separator 13 on the side of the water tank 12 is also slidably connected to the protective cover 2. The water vapor separator 13 is symmetrically divided into two parts, with a sealing gasket 10 pressed on the top. The interior is filled with porous filter media to trap water droplets in the gas. When replenishing the water tank 12 or replacing the porous filter media in the water vapor separator 13, it is not necessary to disassemble the sealing connection between the top cover 3 and the protective cover 2. The water tank 12 or the water vapor separator 13 can be slid directly out from the top of the protective cover 2, reducing wear on the seals caused by frequent disassembly and reassembly of the sealing structure. To mitigate the risk of leakage during maintenance, the porous filter medium inside the water vapor separator 13 effectively traps water droplets in the gas, preventing them from entering downstream pipelines or interfaces and corroding seals, thus reducing sealing performance. It also improves the purity of hydrogen and oxygen. The symmetrically divided water vapor separator 13 can be connected to the hydrogen and oxygen discharged from the PEM electrolyzer 20 respectively, preventing the mixing of the two gases from causing safety hazards. Furthermore, the symmetrical structure balances the internal weight distribution of the equipment, reducing local vibrations caused by center of gravity shift and indirectly protecting the stability of each sealing interface. Two pipes are connected to the bottom of the water-vapor separator 13 and are used to discharge hydrogen and oxygen respectively. A pipe below the center line of the PEM electrolyzer 20 is connected to a water pump 19. The water pump 19 is connected to one end of a filter 18 via a pipe, and the other end of the filter 18 is connected to a water tank 12. The filter 18 has built-in activated carbon for filtration. These two independent gas pipelines fundamentally avoid the safety hazards of explosion and combustion caused by the mixing of hydrogen and oxygen, while ensuring that the two gases can be collected separately. The water circulation loop formed by the PEM electrolyzer 20, water pump 19, filter 18, and water tank 12 enables water resource reuse and reduces operating costs. Furthermore, it reduces the need for frequent water replenishment and disassembly of the water tank 12, further reducing the risk of leakage during maintenance. The activated carbon in the filter 18 can adsorb impurities in the circulating water, ensuring the purity of the water entering the PEM electrolyzer 20. This prevents impurities from clogging the proton exchange membrane of the PEM electrolyzer 20, causing local overheating of the electrolyzer and damaging the surrounding sealing structure. This ensures the long-term stable operation of the PEM electrolyzer 20 and maintains the overall leak-proof capability of the equipment. The first camera 15 is fixedly connected to the upper surface of the support base 1, and the second camera 17 is fixedly connected inside the protective cover 2. The protective cover 2 and the support base 1 are filled with pure water to facilitate the observation of bubbles, prevent leakage, and conduct heat.

[0015] Example 2 For details, please refer to the following: Figure 11 The difference between this embodiment and embodiment one is that the protective cover 2 adopts a circular structure, and the upper surface of the support base 1 is fixedly connected to the fixing frame 14, which is bolted to the PEM electrolyzer 20. The protective cover 2 adopts a circular structure, which has less air resistance than a hexagonal structure, thus improving the heat dissipation efficiency of the equipment. Furthermore, the mounting bracket is bolted to the PEM electrolyzer 20, a connection method recommended for ease of maintenance and replacement. Working Principle: When using a leak-proof hydrogen production device, initialization preparations must be completed before starting the equipment. First, sufficient deionized water is added through the water tank 12, which is slidably connected above the protective cover 2. At the same time, pure water is filled into the protective cover 2 and the support base 1. Pure water facilitates subsequent leak observation and also assists in heat conduction, preventing local overheating. Then, the sealing status is checked: the hexagonal support base 1, through the bottom bolt groove 16, cooperates with six evenly distributed long screws 8 to tightly press the top cover 3 and the protective cover 2 together. The sealing ring 11 between the two fills the microscopic gaps, ensuring the sealing of the main body of the equipment. After starting the water pump 19, the water in the water tank 12 is pumped to the filter 18 with built-in activated carbon. The activated carbon adsorbs trace impurities in the water, such as metal ions and organic matter, to prevent impurities from clogging the proton exchange membrane of the PEM electrolyzer 20, ensuring electrolysis efficiency and the stability of the sealing structure. PEM electrolyzer 20 is the core component for hydrogen production. After filtered pure water is delivered to the electrolyzer, an electrochemical reaction occurs on both sides of the internal proton exchange membrane under the power-on state: at the anode, water molecules are oxidized into oxygen, hydrogen ions H⁺ and electrons, and at the cathode, hydrogen ions migrate through the proton exchange membrane to the cathode and combine with electrons to generate hydrogen gas. The generated hydrogen and oxygen are transported through two independent pipelines, entering two symmetrically divided sections of the water vapor separator 13, thus eliminating the risk of explosion caused by hydrogen-oxygen mixing at the source. The porous filter medium filled inside the water vapor separator 13 traps water droplets entrained in the gas, preventing them from entering the downstream pipeline and corroding the sealing gasket 10 or the interface sealing structure, while also improving the purity of the hydrogen and oxygen gases. The trapped water droplets can be collected and returned to the water circulation system, while the dry hydrogen and oxygen permeate upwards, passing through the sealing gasket 10 pressed on top of the water vapor separator 13. The through-hole of the sealing gasket 10 precisely connects with the bottom interface of the top cover 3, and finally exits through the first exhaust port 6 (hydrogen) and the second exhaust port 7 (oxygen) on the upper surface of the top cover 3. The two ports adopt a pagoda head structure, which fits tightly with the external gas pipeline, forming a double seal with the sealing gasket 10 to prevent gas leakage from the interface. During equipment operation, comprehensive leak detection is achieved through "sensors + cameras + display screen 4": the bottom detection hole 9 of the top cover 3 has built-in leak sensors such as hydrogen concentration sensors and pressure sensors, and the orifice grid blocks impurities to protect the sensors. The sensors collect gas concentration and pressure data inside the equipment in real time and transmit them to the display screen 4 on the upper surface of the top cover 3, so that the operator can intuitively grasp the operating parameters; at the same time, the first camera 15 on the upper surface of the support base 1 and the second camera 17 inside the protective cover 2 capture the internal scene in real time. Combined with the pure water inside the protective cover 2 and the support base 1—if there is a seal leak, the gas will escape and form bubbles in the pure water. The camera can capture the bubbles and feed them back to the control system to achieve dual early warning of "data monitoring + visual observation" and timely detection of minor leaks; The heat dissipation fins 5 on the side of the protective cover 2 can quickly dissipate the heat generated by the PEM electrolyzer 20 during operation. Combined with the heat conduction effect of the internal pure water, it can prevent local high temperature from accelerating the aging of elastic sealing components such as the sealing ring 11 and sealing gasket 10, and maintain the sealing performance. When maintenance is required, the water tank 12 and the water vapor separator 13 can be directly slid out from the top of the protective cover 2 without disassembling the sealing connection between the top cover 3 and the protective cover 2, reducing the wear of the sealing structure and ensuring the leak-proof effect during subsequent operation.

[0016] This completes a series of tasks. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0017] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A leak-proof hydrogen production device, comprising a support base (1); characterized in that: A sealing mechanism is provided above the bearing base (1). The sealing mechanism includes a protective cover (2), a top cover (3), a long screw (8), and a bolt groove (16). The protective cover (2) is installed above the bearing base (1), the top cover (3) is installed above the protective cover (2), the bolt groove (16) is located at the bottom of the bearing base (1), and the long screw (8) is installed on the side of the top cover (3).

2. The leak-proof hydrogen production equipment according to claim 1, characterized in that, The support base (1) is a hexagonal structure, and a bolt groove (16) is opened at the bottom of the support base (1). A long screw (8) is installed through the bolt groove (16). A protective cover (2) is fixedly connected above the support base (1). Heat dissipation fins (5) are fixedly connected to the side of the protective cover (2). A top cover (3) is fitted on the top of the protective cover (2), and a sealing ring (11) is sandwiched between the top cover (3) and the protective cover (2). The top of the long screw (8) passes through the top cover (3) for limiting and fixing, and there are six long screws (8) evenly distributed.

3. The leak-proof hydrogen production equipment according to claim 2, characterized in that, The top cover (3) is fixedly connected to the display screen (4) on its upper surface. The top cover (3) is fixedly connected to the sealing gasket (10) at its bottom. There are two sealing gaskets (10) symmetrically distributed. The surfaces of the two sealing gaskets (10) are opened with through holes to connect the first exhaust port (6) and the second exhaust port (7) respectively. The first exhaust port (6) and the second exhaust port (7) are fixed on the upper surface of the top cover (3). The first exhaust port (6) and the second exhaust port (7) are both pagoda head structures. The bottom of the top cover (3) is opened with a detection hole (9). The detection hole (9) is equipped with a grille for protection. The detection hole (9) is equipped with a built-in sensor for detecting leakage.

4. The leak-proof hydrogen production equipment according to claim 3, characterized in that, The water tank (12) is slidably connected above the protective cover (2), and the water vapor separator (13) on the side of the water tank (12) is slidably connected to the protective cover (2). The water vapor separator (13) is symmetrically divided into two parts. A sealing gasket (10) is pressed on the top of the water vapor separator (13). The water vapor separator (13) is filled with a porous filter medium to trap water droplets in the gas. Two pipelines are configured at the bottom of the water vapor separator (13) to connect with the PEM electrolyzer (20). The pipelines connecting the PEM electrolyzer (20) and the water vapor separator (13) are respectively... To discharge hydrogen and oxygen, the PEM electrolyzer (20) is connected to a water pump (19) via a pipeline below the center line. The water pump (19) is connected to one end of a filter (18) via a pipeline. The other end of the filter (18) is connected to a water tank (12). The filter (18) contains activated carbon for filtration. The upper surface of the support base (1) is fixedly connected to a first camera (15). The protective cover (2) is fixedly connected to a second camera (17). The protective cover (2) and the support base (1) are filled with pure water to facilitate the observation of bubbles, prevent leakage, and conduct heat.

5. A leak-proof hydrogen production device according to claim 4, characterized in that, The protective cover (2) adopts a circular structure, and the upper surface of the bearing base (1) is fixedly connected to the fixing frame (14), which is bolted to the PEM electrolyzer (20).

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