A detection mechanism and a pure water hydrogen production electrolytic cell with the detection mechanism

Abstract

The application discloses a detection mechanism and a pure water hydrogen production electrolytic cell with the same, and relates to the technical field of pure water hydrogen production. The detection mechanism comprises a moving mechanism, an annular cover connected to the moving mechanism and used for moving the annular cover, a pressure sensor fixedly arranged on the inner side wall of the annular cover and used for detecting the pressure in the annular cover, and an annular groove arranged on the inner side wall of the annular cover and provided with a sealing ring. The detection mechanism and the pure water hydrogen production electrolytic cell with the same can continuously detect all gaskets, and the detection is more convenient and fast. In addition, the leakage can be found in time, and the annular cover can be used for temporarily plugging and sealing when the leakage occurs, so that the detection mechanism is safer and more reliable. The gasket surface dust and other impurities can be automatically cleaned, so that the detection result is more accurate and reliable.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pure water hydrogen production, in particular to a detection mechanism and a pure water hydrogen production electrolytic cell with the detection mechanism. BACKGROUND

[0002] The pure water hydrogen production electrolytic cell is a device for producing hydrogen by electrolyzing pure water. The proton exchange membrane electrolytic cell belongs to the pure water hydrogen production electrolytic cell. In use, deionized water meeting the requirements is fed into the anode chamber of the electrolytic cell. After being powered on, water is decomposed into hydrogen ions and oxygen at the anode. Oxygen is discharged from the anode chamber. Hydrogen ions in the form of hydrated ions reach the cathode through the proton exchange membrane under the action of electric field force. Hydrogen is generated by combining with electrons under the action of platinum catalyst at the cathode. The proton exchange membrane electrolytic cell mainly consists of a membrane electrode assembly, bipolar plates, end plates, gaskets and the like. The gasket is a common type of sealing element, usually a thin sheet made of rubber, plastic, metal or the like, used to fill the gap between two connecting components to increase the sealing performance and prevent liquid or gas leakage. For example, in the proton exchange membrane electrolytic cell, the gasket can be used between the membrane electrode assembly and the bipolar plate to seal and buffer.

[0003] However, in use, the sealing gasket of the existing pure water hydrogen production electrolytic cell may leak due to material aging, temperature influence, pressure effect, chemical corrosion and improper installation, affecting its sealing performance. However, it is inconvenient to detect the sealing performance of the sealing gasket in use, and it is not easy to be discovered in time when leakage occurs, which may cause gas and electrolyte leakage and affect the normal operation of the electrolytic cell, and there is a safety hazard. SUMMARY

[0004] The present application aims to provide a detection mechanism and a pure water hydrogen production electrolytic cell with the detection mechanism to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a detection mechanism, comprising:

[0006] A moving mechanism is connected with a ring-shaped cover and is used to move the ring-shaped cover;

[0007] A pressure sensor is fixedly inserted into the inner side wall of the ring-shaped cover and is used to detect the pressure in the ring-shaped cover;

[0008] A ring-shaped groove is formed in the inner side wall of the ring-shaped cover, and a sealing ring is arranged in the ring-shaped cover;

[0009] A plurality of air suction mechanisms are arranged in the ring-shaped cover and are used to suck air in the ring-shaped cover.

[0010] Preferably, each air suction mechanism comprises:

[0011] a fixed cylinder fixed to an inner end surface of the annular cover;

[0012] a moving assembly arranged in the annular cover and connected with a piston, so that the piston can slide in the fixed cylinder;

[0013] a circular hole arranged in an end surface of the annular cover and communicated with the fixed cylinder.

[0014] Preferably, the moving assembly comprises:

[0015] two guide rods arranged in the annular cover and fixed to two opposite inner side walls of the annular cover;

[0016] a moving ring sleeved on the side walls of the two guide rods and fixed to an end surface of the piston through a connecting rod;

[0017] a first elastic member sleeved on the side wall of each guide rod and located between the moving ring and the annular cover;

[0018] a limiting mechanism arranged on the side wall of the moving ring opposite to the piston, and the limiting mechanism is used for limiting the moving ring.

[0019] Preferably, the limiting mechanism comprises:

[0020] a reset mechanism arranged on the side wall of the moving ring and connected with a limiting block, the reset mechanism is used for resetting the limiting block, and the side wall of the limiting block is provided with an inclined surface;

[0021] a push plate fixed to the inner end surface of the annular cover, and an end of the push plate away from the inner end surface of the annular cover can slide on the inclined surface.

[0022] Preferably, the reset mechanism comprises:

[0023] two T-shaped guide rods fixed to the top of the limiting block;

[0024] a connecting block sleeved on the side walls of the two T-shaped guide rods and fixed to the side wall of the moving ring;

[0025] a second elastic member sleeved on the side wall of each T-shaped guide rod and located between the limiting block and the upper end of the T-shaped guide rod.

[0026] Preferably, further comprising a cleaning mechanism arranged in the annular cover;

[0027] the cleaning mechanism comprises:

[0028] A rotating mechanism is arranged on the end face opposite to the piston of the moving ring, and a rotating ring is connected to the rotating mechanism, the rotating mechanism is used for rotating the rotating ring, and the inner side wall of the rotating ring is fixedly connected with a plurality of bristles;

[0029] A pushing mechanism is arranged on the side wall of the rotating ring and used for pushing the rotating ring to rotate.

[0030] Preferably, the rotating mechanism comprises:

[0031] A plurality of fixed blocks are fixed to the side wall of the moving ring;

[0032] An annular groove is arranged on the end face opposite to the moving ring of the rotating ring;

[0033] An annular guide rail is inserted into the annular groove and fixed to the fixed blocks.

[0034] Preferably, the pushing mechanism comprises:

[0035] A pushing plate is fixed to the side wall of the rotating ring;

[0036] A plurality of V-shaped grooves connected in head-to-tail mode are arranged on the side wall of the pushing plate, and each V-shaped groove comprises a first inclined groove and a second inclined groove connected in head-to-tail mode;

[0037] A pushing pin is inserted into the V-shaped groove and fixed to the fixed cylinder through the supporting block.

[0038] Preferably, the moving mechanism comprises:

[0039] A fixed rod, and two supporting plates are fixedly connected to the two ends of the fixed rod;

[0040] A threaded rod is rotationally connected to the opposite side walls of the two supporting plates;

[0041] A motor is fixed to the side wall of one of the supporting plates, and the output end of the motor is fixed to one end of the threaded rod;

[0042] A moving block is sleeved on the side wall of the fixed rod and threadedly connected with the threaded rod, and the moving block is fixed to the side wall of the annular cover.

[0043] A pure water hydrogen production electrolytic cell with a detection mechanism comprises two end plates arranged on an electrolytic cell body and a plurality of electrolytic units, each of the electrolytic units comprises two bipolar plates and a gasket, and the detection mechanism is arranged on the bipolar plate and used for detecting the sealing performance of the gasket.

[0044] Compared with the prior art, the pure water hydrogen production electrolytic cell with the detection mechanism has the following beneficial effects:

[0045] The detection mechanism and the pure water hydrogen production electrolytic cell with the detection mechanism are convenient for continuously detecting all gaskets, more convenient and fast in detection, can timely find leakage, and can temporarily seal the leakage by the annular cover, and are safer and more reliable. BRIEF DESCRIPTION OF DRAWINGS

[0046] Figure 1 It is a whole structure schematic view of the detection mechanism in the application;

[0047] Figure 2 It is a partial sectional structure schematic view of the annular cover in the application;

[0048] Figure 3 It is a partial sectional structure schematic view of the annular cover in the application from another perspective;

[0049] Figure 4 It is a position schematic view of the cleaning mechanism in the application;

[0050] Figure 5 It is a use state schematic view of the detection mechanism in the application;

[0051] Figure 6 It is a use state schematic view of the detection mechanism in the application from another perspective;

[0052] Figure 7 It is Figure 2 An enlarged structure schematic view of A in the application;

[0053] Figure 8 It is Figure 3 An enlarged structure schematic view of B in the application;

[0054] Figure 9 It is Figure 4 An enlarged structure schematic view of C in the application;

[0055] Figure 10 It is Figure 7 An enlarged structure schematic view of D in the application;

[0056] Figure 11 It is Figure 8 An enlarged structure schematic view of E in the application;

[0057] Figure 12 It is Figure 9 An enlarged structure schematic view of F in the application.

[0058] In the figure: 101, end plate; 102, bipolar plate; 103, gasket; 201, annular cover; 202, pressure sensor; 203, annular groove; 204, sealing ring; 301, fixed cylinder; 302, round hole; 303, piston; 401, moving ring; 402, connecting rod; 403, guide rod; 404, first elastic piece; 501, support plate; 502, fixed rod; 503, threaded rod; 504, motor; 505, moving block; 601, limit block; 602, inclined surface; 603, push plate; 701, connecting block; 702, T-shaped guide rod; 703, second elastic piece; 801, rotating ring; 802, brush; 901, push plate; 902, first inclined groove; 903, second inclined groove; 904, push pin; 905, support block; 1001, fixed block; 1002, annular guide rail; 1003, annular groove. DETAILED DESCRIPTION

[0059] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0060] Referring to Figures 1-12 The present application provides a detection mechanism, comprising:

[0061] A moving mechanism is connected with the annular cover 201, and is used for moving the annular cover 201;

[0062] A pressure sensor 202 is fixedly inserted into the side wall of the annular cover 201, and is used for detecting the pressure in the annular cover 201;

[0063] An annular groove 203 is formed in the inner side wall of the annular cover 201, and a sealing ring 204 is arranged in the annular groove 203;

[0064] A plurality of air extraction mechanisms are arranged in the annular cover 201, and are used for extracting air in the annular cover 201;

[0065] The detection mechanism is convenient for continuously detecting all gaskets 103 on the electrolytic cell body, is more convenient and fast in detection, can timely discover leakage, and can temporarily seal the leakage by using the annular cover 201, which is safer and more reliable.

[0066] Referring to Figures 7-9 Each air extraction mechanism comprises:

[0067] A fixed cylinder 301 is fixed to the inner end face of the annular cover 201;

[0068] A moving assembly is arranged in the annular cover 201, and a piston 303 is connected to the moving assembly, so that the piston 303 can slide in the fixed cylinder 301;

[0069] A circular hole 302 is arranged in the end face of the annular cover 201 and communicates with the fixed cylinder 301. The moving assembly drives the piston 303 to move along the fixed cylinder 301 towards the circular hole 302, so that the air in the annular cover 201 can enter the fixed cylinder 301, and gradually negative pressure is generated in the annular cover 201.

[0070] Please refer to Figure 9 and Figure 10 , the moving assembly comprises:

[0071] Two guide rods 403 are arranged in the annular cover 201 and fixed to the two opposite inner side walls of the annular cover 201;

[0072] A moving ring 401 is sleeved on the side wall of the two guide rods 403 and fixed to the end face of the piston 303 through the connecting rod 402;

[0073] A first elastic member 404 is sleeved on the side wall of each guide rod 403, and the first elastic member 404 is located between the moving ring 401 and the annular cover 201. The first elastic member 404 can be a spring, and the two ends of the first elastic member 404 are fixed to the moving ring 401 and the annular cover 201 respectively;

[0074] A limiting mechanism is arranged on the side wall opposite to the piston 303 of the moving ring 401, and the limiting mechanism is used for limiting the moving ring 401. Through the limiting mechanism, the moving ring 401 is limited, so that the connecting rod 402 and the piston 303 no longer move, and when the annular cover 201 continues to move, it can drive the fixed cylinder 301 to move. At the same time, the first elastic member 404 is compressed, so that the piston 303 can move along the fixed cylinder 301 towards the circular hole 302.

[0075] Please refer to Figure 11 and Figure 12 , the limiting mechanism comprises:

[0076] A reset mechanism is arranged on the side wall of the moving ring 401, and a limiting block 601 is connected to the reset mechanism. The reset mechanism is used for resetting the limiting block 601, and the side wall of the limiting block 601 is provided with an inclined surface 602;

[0077] The pushing plate 603 is fixed to the inner end surface of the annular cover 201, and one end of the pushing plate 603 away from the inner end surface of the annular cover 201 can slide on the inclined surface 602. When the limiting block 601 moves to between the two bipolar plates 102, the limiting block 601 can move away from the connecting block 701 under the action of the reset mechanism. When the limiting block 601 abuts against the side wall of the bipolar plate 102, the annular cover 201 can cover the gasket 103. When the annular cover 201 continues to move, the moving ring 401 no longer moves.

[0078] Please refer to Figure 11 , the reset mechanism comprises:

[0079] Two T-shaped guide rods 702 are fixed to the top of the limiting block 601.

[0080] The connecting block 701 is sleeved on the side wall of the two T-shaped guide rods 702 and is fixed with the side wall of the moving ring 401.

[0081] The second elastic member 703 is sleeved on the side wall of each T-shaped guide rod 702, and the second elastic member 703 is located between the limiting block 601 and the upper end of the T-shaped guide rod 702. The second elastic member 703 plays a guiding and resetting role in the movement of the limiting block 601. The second elastic member 703 can be a spring, and the two ends of the second elastic member 703 are fixed with the limiting block 601 and the upper end of the T-shaped guide rod 702, respectively.

[0082] Please refer to Figure 9 , Figure 10 and Figure 12 , the detection mechanism further comprises:

[0083] The cleaning mechanism is arranged in the annular cover 201.

[0084] The cleaning mechanism comprises:

[0085] The rotating mechanism is arranged on the end surface of the moving ring 401 opposite to the piston 303, and the rotating mechanism is connected with the rotating ring 801. The rotating mechanism is used for rotating the rotating ring 801, and the inner side wall of the rotating ring 801 is fixedly connected with a plurality of bristles 802.

[0086] The pushing mechanism is arranged on the side wall of the rotating ring 801 and is used for pushing the rotating ring 801 to rotate. In the prior art, the side wall of the gasket 103 is easy to attach dust and other impurities when the pure water hydrogen production electrolytic cell is used, which also affects the detection of the sealing property. The pushing mechanism and the rotating mechanism make the moving ring 401 reciprocate. When the bristles 802 move to between the two bipolar plates 102, the bristles 802 can be reset and abut against the side wall of the gasket 103, so that the dust and other impurities on the surface of the gasket 103 can be automatically cleaned, and the detection result is more accurate and reliable.

[0087] Please refer to Figure 10 andFigure 12 The rotating mechanism comprises:

[0088] a plurality of fixed blocks 1001 fixed to the side wall of the moving ring 401;

[0089] a ring-shaped groove 1003 formed in the end face of the rotating ring 801 opposite to the moving ring 401;

[0090] a ring-shaped guide rail 1002 inserted into the ring-shaped groove 1003 and fixed with the fixed blocks 1001, so as to ensure the normal rotation of the rotating ring 801.

[0091] Please refer to Figure 10 and Figure 12 The pushing mechanism comprises:

[0092] a pushing plate 901 fixed to the side wall of the rotating ring 801;

[0093] a plurality of V-shaped grooves connected in head-to-tail manner formed in the side wall of the pushing plate 901, and each V-shaped groove comprises a first inclined groove 902 and a second inclined groove 903 connected in head-to-tail manner;

[0094] a pushing pin 905 inserted into the V-shaped groove and fixed with the supporting block 904 through the supporting block 905, when the rotating ring 801 no longer moves, the supporting block 905 can be driven to slide along the second inclined groove 903 and the first inclined groove 902 through the pushing pin 904, at this time, the rotating ring 801 can be pushed to reciprocate along the ring-shaped guide rail 1002.

[0095] Please refer to Figure 1 , Figure 5 and Figure 6 The moving mechanism comprises:

[0096] a fixed rod 502, and two supporting plates 501 are fixedly connected to the two ends of the fixed rod 502;

[0097] a threaded rod 503 rotatably connected to the opposite side walls of the two supporting plates 501;

[0098] a motor 504 fixed to the side wall of one of the supporting plates 501, and the output end of the motor 504 is fixed to one end of the threaded rod 503;

[0099] a moving block 505 sleeved on the side wall of the fixed rod 502 and threadedly connected with the threaded rod 503, the moving block 505 is fixed to the side wall of the ring-shaped cover 201, when the motor 504 is started, the rotation of the motor 504 drives the rotation of the threaded rod 503, thereby driving the moving block 505 to slide along the side wall of the fixed rod 502, and further driving the ring-shaped cover 201 to slide along the side wall of the electrolytic unit.

[0100] Please refer to Figure 5 and Figure 6The utility model provides a pure water hydrogen production electrolytic cell with detection mechanism, including two end plates 101 set on electrolytic cell body and a plurality of electrolytic units, and each electrolytic unit includes two bipolar plates 102 and gasket 103, electrolytic cell body, end plate 101 and a plurality of electrolytic units are the known technology in the prior art, and here is not repeated, and further include the detection mechanism, the detection mechanism can slide on the side wall of bipolar plate 102 and detect the sealing property of gasket 103, support plate 501 is fixed with the side wall of two end plates 101 respectively, and sealing ring 204 can slide on the side wall of bipolar plate 102, which can guarantee the sealing effect.

[0101] Working principle: when the electrolytic cell body is used, start motor 504, the rotation of motor 504 drives the rotation of threaded rod 503, thereby driving moving block 505 to slide along the side wall of fixed rod 502, and then driving annular cover 201 to slide along the side wall of electrolytic unit, when limiting block 601 moves to between two bipolar plates 102, limiting block 601 can move away from connecting block 701 under the action of second elastic member 703, when limiting block 601 abuts against the side wall of bipolar plate 102, annular cover 201 can cover gasket 103, when annular cover 201 continues to move, moving ring 401 no longer moves, so that connecting rod 402 and piston 303 no longer move, and when annular cover 201 continues to move, it can drive fixed cylinder 301 to move, at the same time, first elastic member 404 is compressed, at this time, piston 303 can move along fixed cylinder 301 towards the direction of approaching circular hole 302, at this time, the air in annular cover 201 can enter fixed cylinder 301, so that negative pressure is gradually generated in annular cover 201, at this time, the pressure in the sealed space formed by annular cover 201, bipolar plate 102 and sealing gasket 103 can be detected by pressure sensor 202, so that whether gasket 103 leaks can be determined.

[0102] And when rotating ring 801 no longer moves, fixed cylinder 301 moves with annular cover 201, first elastic member 404 is gradually compressed, at the same time, when brush 802 moves between two bipolar plates 102, it can reset and abut against the side wall of gasket 103, and when fixed cylinder 301 moves, it can drive support block 905 to slide along second inclined groove 903 and first inclined groove 902 by pushing pin 904, at this time, rotating ring 801 can be pushed to reciprocate along annular guide rail 1002, and brush 802 can reciprocate, so that the dust and impurities on the surface of gasket 103 can be cleaned, making the detection result more accurate and reliable.

[0103] After the detection is completed, when the ring cover 201 continues to move, the side wall of the pushing plate 603 can be abutted with the inclined surface 602, so that the limiting block 601 is pushed to move in the direction close to the connecting block 701, at the same time, the second elastic member 703 is compressed, and the limiting block 601 can be moved to the side wall of the bipolar plate 102, at this time, the moving ring 401 is no longer limited, and the moving ring 401 can be reset in the direction away from the circular hole 302 under the action of the guide rod 403, at the same time, the connecting rod 402 drives the piston 303 to move and reset, so that the air in the fixed cylinder 301 is squeezed into the ring cover 201 again for subsequent detection operation, so reciprocating, all gaskets 103 can be continuously detected, the detection is more convenient and fast, at the same time, the leakage can be found in time, and when the leakage occurs, the ring cover 201 can be used for temporary plugging and sealing, which is more safe and reliable, and when the ring cover 201 continues to move, when the bristles 802 abut against the side wall of the bipolar plate 102, the bristles 802 can be pushed to bend and slide on the surface of the bipolar plate 102.

[0104] The standard parts used in the application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail herein, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0105] The application and the embodiments thereof have been described above, and the description is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the purpose of the application, without creative design, similar structure and embodiments can be designed, which should belong to the protection scope of the application.

Claims

1. A testing institution, characterized in that: include: A moving mechanism, on which an annular cover (201) is connected, and the moving mechanism is used to move the annular cover (201); A pressure sensor (202) is fixedly inserted into the inner wall of the annular cover (201) for detecting the pressure inside the annular cover (201); An annular groove is formed on the inner side wall of the annular cover (201), and a sealing ring (204) is provided in the annular groove. Multiple air extraction mechanisms are disposed inside the annular cover (201) for extracting air from inside the annular cover (201); Each of the aforementioned pumping mechanisms includes: A fixing cylinder (301) is fixed to the inner end face of the annular cover (201); A movable component is disposed within the annular cover (201), and a piston (303) is connected to the movable component, allowing the piston (303) to slide within the fixed cylinder (301); A circular hole (302) is provided on the end face of the annular cover (201) and communicates with the fixed cylinder (301); The moving component includes: Two guide rods (403) are disposed inside the annular cover (201) and fixed to the two opposing inner sidewalls of the annular cover (201); The movable ring (401) is sleeved on the sidewalls of the two guide rods (403) and fixed to the end face of the piston (303) by the connecting rod (402); The first elastic element (404) is sleeved on the side wall of each of the guide rods (403), and the first elastic element (404) is located between the moving ring (401) and the annular cover (201); A limiting mechanism is provided on the side wall opposite to the piston (303) of the moving ring (401), and the limiting mechanism is used to limit the moving ring (401); The mobile mechanism includes: A fixed rod (502) is fixedly connected to two support plates (501) at both ends of the fixed rod (502); A threaded rod (503) is rotatably connected to the opposite sidewalls of the two support plates (501); The motor (504) is fixed to the side wall of one of the support plates (501), and the output end of the motor (504) is fixed to one end of the threaded rod (503); The movable block (505) is sleeved on the side wall of the fixed rod (502) and threadedly connected to the threaded rod (503). The movable block (505) is fixed to the side wall of the annular cover (201).

2. The testing mechanism according to claim 1, characterized in that: The limiting mechanism includes: A reset mechanism is provided on the side wall of the moving ring (401), and a limit block (601) is connected to the reset mechanism. The reset mechanism is used to reset the limit block (601), and the side wall of the limit block (601) is provided with an inclined surface (602). The push plate is fixed to the inner end face of the annular cover (201), so that the end of the push plate away from the inner end face of the annular cover (201) can slide on the inclined surface (602).

3. The testing mechanism according to claim 2, characterized in that: The reset mechanism includes: Two T-shaped guide rods (702) are fixed to the top of the limiting block (601); The connecting block (701) is sleeved on the side wall of the two T-shaped guide rods (702) and fixed to the side wall of the moving ring (401); The second elastic element (703) is sleeved on the side wall of each of the T-shaped guide rods (702), and the second elastic element (703) is located between the limiting block (601) and the upper end of the T-shaped guide rod (702).

4. The testing mechanism according to claim 3, characterized in that: Also includes: The cleaning mechanism is located inside the annular cover (201); The cleaning mechanism includes: A rotating mechanism is provided on the end face opposite to the moving ring (401) and the piston (303), and a rotating ring (801) is connected to the rotating mechanism. The rotating mechanism is used to rotate the rotating ring (801), and multiple bristles (802) are fixedly connected to the inner wall of the rotating ring (801). A driving mechanism is provided on the side wall of the rotating ring (801) for driving the rotating ring (801) to rotate.

5. A testing mechanism according to claim 4, characterized in that: The rotating mechanism includes: Multiple fixing blocks (1001) are fixed to the side wall of the movable ring (401); An annular groove is formed on the end face opposite to the rotating ring (801) and the moving ring (401); The annular guide rail (1002) is inserted into the annular groove and fixed to the fixing block (1001).

6. The testing mechanism according to claim 5, characterized in that: The propulsion mechanism includes: A push plate is fixed to the side wall of the rotating ring (801); Multiple V-shaped grooves connected end to end are formed on the side wall of the push plate, and each V-shaped groove includes a first inclined groove (902) and a second inclined groove (903) connected end to end. The push pin (905) is inserted into the V-groove and fixed to the fixed cylinder (301) by the support block (904).

7. A pure water hydrogen production electrolyzer with a detection mechanism, comprising two end plates (101) and a plurality of electrolysis units disposed on the electrolyzer body, each of the electrolysis units comprising two bipolar plates (102) and a gasket (103), characterized in that: The pure water hydrogen production electrolyzer further includes a detection mechanism as described in any one of claims 1-6, the detection mechanism being able to slide on the side wall of the bipolar plate (102) and detect the sealing performance of the gasket (103).

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