A lightweight electrolyzer with plug-in modules

By designing a lightweight electrolytic cell with plug-in and unplugging module, the problem that the electrolytic cell cannot be changed is solved, and the electrolytic cell is flexible installation and disassembly is realized, reducing the equipment purchase cost at the user side.

CN115595611BActive Publication Date: 2025-08-29李海明
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Patent Information

Application Number
CN202211347333.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-31
Publication Date
2025-08-29
Estimated Expiration
2042-10-31

AI Technical Summary

Technical Problem

Once the electrolytic cell is assembled, the number of electrolytic cells cannot be changed, resulting in insufficient production capacity and more equipment needs to be purchased to increase the cost of the user side.

Method used

Design a lightweight electrolytic cell with plug-in and unplugging module. By setting up electrolytic cell, pull rod, cell fixing frame, clamp, slide rail and other structures, the installation and disassembly of the electrolytic cell is more flexible; nuts and hexagonal fixing rings are used to improve the installation and disassembly efficiency; limit slots, compression springs and clamps are used to improve the convenience of power termination.

Benefits of technology

It realizes flexible installation and disassembly of the electrolytic chamber, improves installation and disassembly efficiency and power connection efficiency, and reduces the equipment purchase cost on the user side.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of electrolytic cells, and in particular to a lightweight electrolytic cell with a plug-in module, comprising end plates, with electrolytic chambers arranged between the end plates, the electrolytic chambers comprising an anode plate and a cathode plate, with two end plates, both end plates being penetrated by a pull rod, a chamber fixing frame being clamped on the outer side of the electrolytic chamber, a first splint and a second splint being clamped on the chamber fixing frame, the outer sides of the first splint and the second splint being fixedly connected with fixing blocks, the bottoms of the first splint and the second splint being provided with grooves, and a slide rail being fixedly connected to the outer side of the bottom of one of the end plates, so that the fixation of the chamber fixing frame, the first splint and the second splint, and the guidance of the slide rail can make the installation and disassembly of the electrolytic chamber more flexible, thereby solving the problem that the number of electrolytic chambers cannot be changed once the electrolytic cell is assembled. Once faced with the problem of insufficient production capacity, the only option is to purchase more to solve the problem, which greatly increases the cost on the user side.
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Description

Technical Field

[0001] The present invention relates to the technical field of electrolytic cells, and in particular to a lightweight electrolytic cell with a plug-in module. Background Art

[0002] As the cleanest and most efficient energy source in the 21st century, hydrogen has become a sought-after energy source both at home and abroad. How to efficiently prepare hydrogen has also become a key research technology. Alkaline water electrolysis to produce hydrogen is a mature hydrogen production technology both at home and abroad. The most critical component in alkaline water electrolysis to produce hydrogen is the electrolyzer. How to optimize the chamber structure of the electrolyzer provides direction for expanding the electrolyzer's production capacity and has become one of the key technologies.

[0003] Since the alkaline water electrolysis hydrogen production technology has formed a large-scale commercial model at home and abroad, once the electrolyzer is assembled, the number of electrolysis chambers cannot be changed. Once faced with insufficient production capacity, the only option is to purchase more equipment to solve it, which greatly increases the cost on the user side. Therefore, to address the above problem, a lightweight electrolyzer with a plug-in module is proposed. Summary of the Invention

[0004] The purpose of the present invention is to provide a lightweight electrolytic cell with a plug-in module to solve the problem that once the electrolytic cell is assembled, the number of electrolytic chambers cannot be changed. Once faced with insufficient production capacity, the only option is to purchase more equipment to solve the problem, which greatly increases the cost on the user side.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A lightweight electrolytic cell with a plug-in module comprises an end plate, wherein a liquid inlet pipe is provided on the end plate, an electrolysis chamber is provided between the end plates, the electrolysis chamber comprises an anode plate and a cathode plate, there are two end plates, a pull rod passes through the two end plates, both ends of the pull rod are provided with a threaded portion, a chamber fixing frame is clamped on the outer side of the electrolysis chamber, a first splint and a second splint are clamped on the outer side of the chamber fixing frame, the outer sides of the first splint and the second splint are fixedly connected to fixing blocks, the fixing blocks are connected by bolts, the bottoms of the first splint and the second splint are both provided with grooves, the bottom outer side of one of the end plates is fixedly connected to a slide rail, and the other end of the slide rail is slidably connected to the other end plate.

[0007] Preferably: a thin sealing gasket, a cylinder frame, a thin sealing gasket, a cathode plate, a thick sealing gasket, a diaphragm, a thin sealing gasket, a cylinder frame, a thin sealing gasket and an anode plate are sequentially arranged on the inner side of the electrolysis chamber, an electrolyte through hole is opened on the inner side of the diaphragm, a hydrogen through hole and an oxygen through hole are opened on the inner sides of the anode plate and the cathode plate respectively, and the anode plate and the cathode plate are fixedly connected to the power supply terminal.

[0008] Preferably, a nut is spirally connected to the outer side of the threaded portion of the pull rod, a buffer spring is sleeved on the outer side of the threaded portion of the pull rod, and the buffer spring is sleeved between the nut and the end plate.

[0009] Preferably, the pull rods, buffer springs and nuts are all arranged in an even number, and the pull rods, buffer springs and nuts are all arranged in axisymmetry with respect to the central connecting line of the two end plates.

[0010] Preferably, the nut is divided into an upper half and a lower half, the upper half and the lower half of the nut are rotatably connected via a rotating shaft, a hexagonal fixing ring is provided on the outside of the nut, and the internal space of the hexagonal fixing ring matches the shape of the nut.

[0011] Preferably: the first splint and the second splint are both polygonal in shape, the hexagonal fixing ring is made of a strong magnetic material, the thickness of the hexagonal fixing ring is one-fifth of the thickness of the nut, the cylinder frame of the cathode plate is connected to one end of a hydrogen branch pipe, the other end of the hydrogen branch pipe is connected to a hydrogen main pipe, the cylinder frame of the anode plate is connected to one end of an oxygen branch pipe, the other end of the oxygen branch pipe is connected to an oxygen main pipe.

[0012] Preferably: a limiting groove is provided on the inner side of the power supply end, one end of a compression spring is fixedly connected to the inner side of the limiting groove, the other end of the compression spring is fixedly connected to a slider, the outer side of the slider is fixedly connected to a card block, and the outer side of the card block is slidably connected to the power supply end.

[0013] Preferably, the end of the clamping block that is biased toward the power supply terminal fixing slot is configured as an arc surface, and the length of the clamping block extending into the power supply terminal fixing slot is 1.2 times the diameter of the clamping block.

[0014] Preferably, balls are embedded on the inner side of the slider, and the outer sides of the balls are slidably connected to the limiting grooves, and the balls are evenly distributed on the inner side of the slider.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In the present invention, by providing the electrolysis chamber, pull rod, chamber fixing frame, first splint, second splint, fixing block and slide rail, the chamber fixing frame, first splint and second splint can be fixed, and the slide rail is guided, so that the installation and disassembly of the electrolysis chamber can be made more flexible, which solves the problem that once the electrolytic cell is assembled, the number of electrolysis chambers cannot be changed. Once faced with insufficient production capacity, the only solution is to purchase more, which greatly increases the cost on the user side.

[0017] 2. In the present invention, by providing the nut and the hexagonal fixing ring, the nut of the rotating structure can be used to make the installation and disassembly of the entire device more efficient, avoiding the problem of needing to twist the nut for a long distance during the installation and disassembly process, thereby improving the efficiency of installation and disassembly of the entire device and improving the practical performance of the entire device.

[0018] 3. In the present invention, by providing the limit groove, compression spring, slider and clamping block, the clamping block and the power screw can be engaged and disengaged to make the power connection of the power end more convenient and efficient, avoiding the problem of the power screw falling off during the power connection process of the power end, and improving the power connection efficiency of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 For the present invention Figure 1 Schematic diagram of the structure at A;

[0021] Figure 3 Schematic diagram of the explosion structure of the electrolysis chamber of the present invention;

[0022] Figure 4 It is a structural schematic diagram of the nut and the hexagonal fixing ring of the present invention;

[0023] Figure 5 Schematic diagram of the installation structure of the slide rail of the present invention;

[0024] Figure 6 For the present invention Figure 5 Schematic diagram of the structure at B;

[0025] Figure 7 For the present invention Figure 5 Schematic diagram of the structure at C;

[0026] Figure 8 This is a schematic diagram of the installation structure of the card block of the present invention;

[0027] Figure 9 For the present invention Figure 8 Schematic diagram of the structure at D;

[0028] Figure 10 For the present invention Figure 9 Schematic diagram of the structure at E.

[0029] In the figure: 1-end plate, 2-electrolysis chamber, 201-anode plate, 202-cathode plate, 203-thin sealing gasket, 204-cylinder frame, 205-thick sealing gasket, 206-diaphragm, 207-electrolyte through hole, 208-hydrogen through hole, 209-oxygen through hole, 210-power end, 3-pull rod, 4-threaded portion, 5-chamber fixing frame, 6-first splint, 7-second splint, 8-fixed block, 9-slide rail, 10-nut, 11-buffer spring, 12-hexagonal fixing ring, 13-hydrogen branch pipe, 14-hydrogen main pipe, 15-oxygen branch pipe, 16-oxygen main pipe, 17-limiting groove, 18-compression spring, 19-slider, 20-block, 21-ball. DETAILED DESCRIPTION

[0030] Example 1:

[0031] See also Figure 1-10 , the present invention provides a technical solution:

[0032] A lightweight electrolytic cell with a plug-in module comprises an end plate 1, a liquid inlet pipe is provided on the end plate 1, an electrolysis chamber 2 is provided between the end plates 1, the electrolysis chamber 2 comprises an anode plate 201 and a cathode plate 202, there are two end plates 1, a pull rod 3 is passed through the two end plates 1, both ends of the pull rod 3 are provided with a threaded portion 4, a chamber fixing frame 5 is clamped on the outside of the electrolysis chamber 2, a first splint 6 and a second splint 7 are clamped on the outside of the chamber fixing frame 5, the outside of the first splint 6 and the second splint 7 are fixedly connected to a fixing block 8, the fixing blocks 8 are connected by bolts, the bottom of the first splint 6 and the second splint 7 are provided with a groove, the bottom outside of one of the end plates 1 is fixedly connected to a slide rail 9, and the other end of the slide rail 9 is slidably connected to the other end plate 1. In this way, the fixing of the chamber fixing frame 5, the first clamping plate 6 and the second clamping plate 7, as well as the guidance of the slide rail 9, can be used to make the installation and disassembly of the electrolysis chamber 2 more flexible, and solve the problem that once the electrolytic cell is assembled, the number of electrolysis chambers 2 cannot be changed. Once faced with the situation of insufficient production capacity, the only choice is to purchase more to solve it, which greatly increases the cost problem on the user side. The inner side of the electrolysis chamber 2 is sequentially provided with a thin sealing gasket 203, a cylinder frame 204, a thin sealing gasket 203, a cathode plate 202, a thick sealing gasket 205, a diaphragm 206, a thin sealing gasket 203, a cylinder frame 204, a thin sealing gasket 203 and an anode plate 201. The inner side of the diaphragm 206 is provided with an electrolyte through hole 207. The inner sides of the anode plate 201 and the cathode plate 202 are respectively provided with a thin sealing gasket 203, a cylinder frame 204, a thin sealing gasket 203 and an anode plate 201. A hydrogen through hole 208 and an oxygen through hole 209 are opened, and the anode plate 201 and the cathode plate 202 are fixedly connected to the power supply terminal 210, so that the structure of the overall device can be more reasonable, and the outer side of the threaded portion 4 of the pull rod 3 is spirally connected to the nut 10, and the outer side of the threaded portion 4 of the pull rod 3 is sleeved with a buffer spring 11, and the buffer spring 11 is sleeved between the nut 10 and the end plate 1, so that the operation of the overall device can be more stable, the pull rod 3, the buffer spring 11 and the nut 10 are all set in an even number, and the pull rod 3, the buffer spring 11 and the nut 10 are all axially symmetrically arranged with the center connecting line of the two end plates 1, so that the force of the overall device can be more balanced, and the nut 10 is divided into an upper half and a lower half, and the upper half and the lower half of the nut 10 are rotated by a rotating shaft. Dynamic connection, a hexagonal fixing ring 12 is provided on the outside of the nut 10, and the internal space of the hexagonal fixing ring 12 matches the shape of the nut 10, so that the nut 10 of the rotating structure can be used to make the installation and disassembly of the overall device more efficient, avoiding the problem of needing to twist the nut 10 for a long distance during installation and disassembly, improving the efficiency of installation and disassembly of the overall device, and improving the practical performance of the overall device. The first splint 6 and the second splint 7 are both polygonal. The hexagonal fixing ring 12 is made of strong magnetic material. The thickness of the hexagonal fixing ring 12 is one-fifth of the thickness of the nut 10. One end of the hydrogen branch pipe 13 is connected to the cylinder frame 204 of the cathode plate 202, and the other end of the hydrogen branch pipe 13 is connected to the hydrogen main pipe 14.The cylinder frame 204 of the anode plate 201 is connected to one end of the oxygen branch pipe 15, and the other end of the oxygen branch pipe 15 is connected to the oxygen main pipe 16, so that hydrogen and oxygen can be better transported and utilized. A limiting groove 17 is provided on the inner side of the power supply end 210, and one end of the compression spring 18 is fixedly connected to the inner side of the limiting groove 17. The other end of the compression spring 18 is fixedly connected to the slider 19, and the outer side of the slider 19 is fixedly connected to the block 20. The outer side of the block 20 is slidably connected to the power supply end 210, so that the power supply end 210 can be made to move by engaging and disengaging the block 20 and the power screw. 0 is more convenient and efficient, avoiding the problem of the power screw falling off during the power connection process of the power supply terminal 210, improving the power connection efficiency of the entire device. The end of the clamping block 20 that is biased towards the fixing groove of the power supply terminal 210 is set with an arc surface. The length of the clamping block 20 extending into the fixing groove of the power supply terminal 210 is 1.2 times the diameter of the clamping block 20, which can make the engagement of the power screw more reasonable. The inner side of the slider 19 is embedded with balls 21. The outer side of the balls 21 is slidably connected to the limit groove 17. The balls 21 are evenly distributed on the inner side of the slider 19, which can make the sliding of the clamping block 20 smoother.

[0033] Workflow: Workflow: All components are connected to an external power supply when electricity is needed, and the device is controlled by a controller. When an electrolysis chamber 2 needs to be assembled and used, first assemble the thin sealing gasket 203, cathode plate 202, thick sealing gasket 205, diaphragm 206, thin sealing gasket 203, thin sealing gasket 203 and anode plate 201 in sequence, then snap the chamber fixing frame 5 onto the outside of the assembled electrolysis chamber 2, then snap the first plywood 6 and the second plywood 7 onto the outside of the chamber fixing frame 5, and use connecting bolts to connect the two fixing blocks 8 together, repeat the above operation to assemble the remaining electrolysis chambers 2, then install the components of the electrolysis chamber 2 except the cylinder frame 204 together through the slide rail 9, then use the pull rod 3 to clamp all the electrolysis chambers 2 between the two end plates 1, then install the buffer spring 11, turn the nut 10 to open, and then install it near the buffer spring 11 One end of the nut 10 is then engaged with the hexagonal fixing ring 12 on the outside of the nut 10, and then the nut 10 is tightened with a tool. Then the hydrogen branch pipe 13, the hydrogen main pipe 14, the oxygen branch pipe 15 and the oxygen main pipe 16 are installed, the liquid inlet pipe is connected, and finally the power screw is pushed into the fixing groove of the power end 210. At this time, due to the compression of the clamping block 20, when the power screw is engaged in the fixing groove of the clamping block 20, the clamping block 20 will rebound and clamp the power screw under the elastic potential energy of the compression spring 18. Then the power end 210 and the power screw are fixed with the power clamping nut, and finally the power screw is energized. The electrolyte flows into the electrolysis chamber 2 through the liquid inlet pipe and the electrolyte through-hole 207, and the hydrogen will be discharged and collected through the hydrogen branch pipe 13 and the hydrogen main pipe 14 provided on the cylinder frame 204 of the cathode plate 202, and the oxygen will be discharged and collected through the oxygen branch pipe 15 and the oxygen main pipe 16 provided on the cylinder frame 204 of the anode plate 201.

[0034] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method of the present invention and its core ideas. The above is only a preferred implementation method of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the scope of protection of the present invention.

Claims

1. A lightweight electrolyzer with a pluggable module, comprising an end plate (1), wherein a liquid inlet pipe is provided on the end plate (1), characterized in that: An electrolysis chamber (2) is provided between the end plates (1), and the electrolysis chamber (2) includes an anode plate (201) and a cathode plate (202). There are two end plates (1), and a pull rod (3) is passed through the two end plates (1). Both ends of the pull rod (3) are provided with a threaded portion (4). The outer side of the electrolysis chamber (2) is clamped with a chamber fixing frame (5), and the outer side of the chamber fixing frame (5) is clamped with a first clamping plate (6) and a second clamping plate (7). The outer sides of the first clamping plate (6) and the second clamping plate (7) are fixedly connected with a fixing block (8), and the fixing blocks (8) are connected by bolts. The bottoms of the first clamping plate (6) and the second clamping plate (7) are provided with a groove. The outer side of the bottom of one of the end plates (1) is fixedly connected with a slide rail (9), and the other end of the slide rail (9) is slidably connected to the other end plate (1); The inner side of the electrolysis chamber (2) is provided with a thin sealing gasket (203), a cylinder frame (204), a thin sealing gasket (203), a cathode plate (202), a thick sealing gasket (205), a diaphragm (206), a thin sealing gasket (203), a cylinder frame (204), a thin sealing gasket (203) and an anode plate (201) in sequence. An electrolyte through hole (207) is provided on the inner side of the diaphragm (206). A hydrogen through hole (208) and an oxygen through hole (209) are provided on the inner sides of the anode plate (201) and the cathode plate (202), respectively. A power supply terminal (210) is fixedly connected to both the anode plate (201) and the cathode plate (202). The outer side of the threaded portion (4) of the pull rod (3) is spirally connected to a nut (10), the outer side of the threaded portion (4) of the pull rod (3) is sleeved with a buffer spring (11), and the buffer spring (11) is sleeved between the nut (10) and the end plate (1); The nut (10) is divided into an upper half and a lower half, and the upper half and the lower half of the nut (10) are rotatably connected via a rotating shaft. A hexagonal fixing ring (12) is provided on the outside of the nut (10), and the internal space of the hexagonal fixing ring (12) matches the shape of the nut (10); The first clamping plate (6) and the second clamping plate (7) are both polygonal in shape. The hexagonal fixing ring (12) is made of a strong magnetic material. The thickness of the hexagonal fixing ring (12) is one-fifth of the thickness of the nut (10). The cylinder frame (204) of the cathode plate (202) is connected to one end of a hydrogen branch pipe (13), and the other end of the hydrogen branch pipe (13) is connected to a hydrogen main pipe (14). The cylinder frame (204) of the anode plate (201) is connected to one end of an oxygen branch pipe (15), and the other end of the oxygen branch pipe (15) is connected to an oxygen main pipe (16). A limiting groove (17) is provided on the inner side of the power supply end (210), one end of a compression spring (18) is fixedly connected to the inner side of the limiting groove (17), the other end of the compression spring (18) is fixedly connected to a slider (19), the outer side of the slider (19) is fixedly connected to a clamping block (20), and the outer side of the clamping block (20) is slidably connected to the power supply end (210).

2. A lightweight electrolyzer with a pluggable module according to claim 1, characterized in that: The pull rods (3), buffer springs (11) and nuts (10) are all arranged in an even number, and the pull rods (3), buffer springs (11) and nuts (10) are all arranged in an axisymmetric manner with respect to the central connecting line of the two end plates (1).

3. The lightweight electrolyzer with pluggable modules according to claim 1, characterized in that: One end of the clamping block (20) that is biased toward the fixed slot of the power supply end (210) is provided with an arc surface, and the length of the clamping block (20) extending into the fixed slot of the power supply end (210) is 1.2 times the diameter of the clamping block (20).

4. The lightweight electrolyzer with pluggable modules according to claim 1, characterized in that: The inner side of the slider (19) is inlaid with a ball (21), the outer side of the ball (21) is slidably connected to the limiting groove (17), and the ball (21) is evenly distributed on the inner side of the slider (19).

Citation Information

Patent Citations

  • Novel water electrolysis hydrogen production electrolytic bath device

    CN113235110A

  • Water electrolyzer capable of independently replacing electrolysis unit

    CN216378412U

  • Lightweight electrolytic cell with plugging module

    CN219079661U