CN212834048U - Inserted sheet type hydrogen generator - Google Patents

Inserted sheet type hydrogen generator Download PDF

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Publication number
CN212834048U
CN212834048U CN202021294858.0U CN202021294858U CN212834048U CN 212834048 U CN212834048 U CN 212834048U CN 202021294858 U CN202021294858 U CN 202021294858U CN 212834048 U CN212834048 U CN 212834048U
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China
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electrode
end plate
electrolyte
groove
communicated
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CN202021294858.0U
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Chinese (zh)
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熊雪松
金黄富
周联群
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Individual
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

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  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

The utility model discloses an insert type hydrogen generator, which comprises an upper end plate, a lower end plate and an electrode insert piece stacked between the upper end plate and the lower end plate, wherein the upper end plate is connected with the lower end plate through a positioning component; the electrode insert comprises an electrode insert body, wherein an anode plate is arranged on one side of the electrode insert body in the thickness direction, and a cathode plate is arranged on the other opposite side of the electrode insert body; a proton exchange membrane is arranged in each electrolytic chamber; the anode chamber is provided with an electrolyte input port and an electrolyte output port, and the cathode chamber is provided with a hydrogen output port; clamping grooves are formed in the outer walls of the left side and the outer walls of the right side of each electrode inserting piece body. The utility model discloses can realize the independent dismantlement and the change of single electrode inserted sheet, have easy dismounting and the low characteristics of replacement cost. Meanwhile, when any one of the electrode inserts needs to be replaced, other electrode inserts can be locked and fixed through an external locking mechanism, and the other electrode inserts are prevented from being displaced or damaged due to collision.

Description

Inserted sheet type hydrogen generator
Technical Field
The utility model relates to an equipment for producing hydrogen, concretely relates to inserted sheet formula hydrogen generator.
Background
The hydrogen energy is used as clean and efficient energy and energy carrier with unlimited raw materials, can be used together with solar power generation and a hydrogen-oxygen fuel cell, and is a key link for clean and efficient utilization of renewable energy. Therefore, various hydrogen production devices are currently on the market, and as in the prior art, the invention patent with the patent application number of CN201410035707.6 discloses a water electrolysis device with proton exchange membrane, which comprises two anode plates, a cathode bipolar plate and a membrane electrode between the two anode plates and the cathode bipolar plate. In addition, the anode plate and the membrane electrode and the cathode bipolar plate are provided with sealing gaskets, and the anode plate and the membrane electrode and the cathode bipolar plate are fastened into a whole by a screw and a nut. The working medium adopted by the device is pure water, and the device has the characteristics of mild working conditions, high electrolysis efficiency and high gas production purity; however, the apparatus has the following problems: the sealing gaskets are arranged between the anode plate and the membrane electrode and between the membrane electrode and the negative bipolar plate and are fastened into a whole through the screw and the nut, when any one of the anode plate, the membrane electrode and the cathode plate is damaged or abnormal, the anode plate, the membrane electrode and the cathode plate must be integrally replaced or integrally disassembled, and the defects of troublesome disassembly and assembly and high replacement cost exist.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an insert type hydrogen generator which can realize the independent disassembly and replacement of a single electrode insert and has the characteristics of convenient disassembly and assembly and low replacement cost; meanwhile, when any one of the electrode inserts needs to be replaced, other electrode inserts can be locked and fixed through an external locking mechanism, and the other electrode inserts are prevented from being displaced or damaged due to collision.
The purpose of the utility model is realized by adopting the following technical scheme:
an insert type hydrogen generator, characterized in that: the electrode inserting plate comprises an upper end plate, a lower end plate and an electrode inserting sheet stacked between the upper end plate and the lower end plate, wherein the upper end plate is connected with the lower end plate through a positioning assembly;
the number of the electrode inserting pieces is M, and M is more than or equal to 2; the electrode insert comprises an electrode insert body, wherein an anode plate is arranged on one side of the electrode insert body in the thickness direction, and a cathode plate is arranged on the other opposite side of the electrode insert body; m electrode inserting sheets are enclosed to form N electrolysis chambers, wherein N is M-1; a proton exchange membrane is arranged in each electrolytic chamber, and medium diffusion layers are respectively arranged on two sides of the proton exchange membrane; the proton exchange membrane is positioned between the anode plate and the cathode plate and is used for dividing the electrolysis chamber into an anode chamber and a cathode chamber; the anode chamber is provided with an electrolyte input port and an electrolyte output port, and the cathode chamber is provided with a hydrogen output port;
every all be equipped with the screens groove on the outer wall of the left and right sides of electrode inserted sheet body.
In an alternative embodiment, the detent groove comprises a first detent groove and a second detent groove; the electrode insert body comprises an electrode insert body, wherein the number of first clamping grooves is four, two first clamping grooves are positioned on the upper part of the outer wall of the left side of the electrode insert body, and the other two first clamping grooves are positioned on the upper part of the outer wall of the right side of the electrode insert body; the quantity in second screens groove is four, and two second screens grooves are located the left side outer wall lower part of electrode inserted sheet body, and two other second screens grooves are located the right side outer wall lower part of electrode inserted sheet body.
In an optional implementation mode, each outer side wall of the electrode insert piece body is further provided with a monitoring port communicated with the anode chamber, and a sensor is hermetically mounted in the monitoring port.
In an optional implementation mode, the monitoring port comprises a water pressure monitoring port and a temperature monitoring port, a pressure sensor is hermetically mounted in the water pressure monitoring port, and a temperature sensor is hermetically mounted in the temperature monitoring port.
In an optional embodiment, an electrolyte input channel is arranged on the upper end plate and/or the lower end plate, and the electrolyte input channel is communicated to the electrolyte input port of the anode chamber corresponding to the electrolyte input channel; a hydrogen output channel is arranged on the upper end plate and/or the lower end plate and communicated to the hydrogen output port of the corresponding cathode chamber; electrolyte output channels are arranged on the upper end plate and/or the lower end plate and communicated to the electrolyte output ports of the anode chambers corresponding to the electrolyte output channels.
In an optional implementation manner, a first groove and a second groove which are matched with each other are respectively arranged on two sides of the electrode insert body in the thickness direction; the anode plate is arranged in the first groove, and the cathode plate is arranged in the second groove; the electrode insert body is provided with the hydrogen outlet communicated with the second groove; the electrode insert body is also provided with the electrolyte input port and the electrolyte output port which are communicated with the first groove; the electrode insert body is also provided with an electrolyte conveying channel communicated with the electrolyte outlet; the electrode insert body is also provided with a hydrogen conveying channel communicated with the hydrogen outlet;
when M is 2, the first groove of one electrode inserting sheet is in contact with the lower end plate to form an enclosure, the second groove of the electrode inserting sheet is in contact with the first groove of the other electrode inserting sheet to form one electrolysis chamber, and the second groove of the other electrode inserting sheet is in contact with the upper end plate to form an enclosure; such that N is 1; the hydrogen conveying channels between the two electrode inserting pieces are communicated with each other, and the hydrogen conveying channels are communicated with the hydrogen output channel; electrolyte conveying channels between the two electrode inserting pieces are communicated with each other, an electrolyte input port on one electrode inserting piece is communicated with the electrolyte input channel, and an electrolyte conveying channel on the other electrode inserting piece is connected with the electrolyte output channel;
when M is more than or equal to 3, the two adjacent electrode inserting sheets are enclosed to form the electrolysis chamber, wherein the first groove of the electrode inserting sheet positioned at the bottommost layer is in contact with the lower end plate and enclosed, and the second groove of the electrode inserting sheet positioned at the uppermost layer is in contact with the upper end plate and enclosed; so that N is more than or equal to 2; hydrogen conveying channels between every two adjacent electrode inserting pieces are communicated with each other, and the hydrogen conveying channels are communicated with a hydrogen output channel; electrolyte conveying channels between every two adjacent electrode inserting pieces are communicated with each other, wherein an electrolyte inlet on the electrode inserting piece positioned at the bottommost layer is communicated with the electrolyte inlet channel, and the electrolyte conveying channel on the electrode inserting piece positioned at the topmost layer is connected with the electrolyte outlet channel.
In an alternative embodiment, every two adjacent anode chambers are communicated through an electrolyte conveying channel to form a U-shaped water flowing channel.
In an optional implementation manner, the front end of each electrode insert body is further provided with conductive binding posts electrically connected with the anode plate and the cathode plate respectively, and the conductive binding posts on each two adjacent electrode insert bodies are arranged in a staggered manner; an insert limiting column is further arranged between the upper end plate and the lower end plate; the electrode inserting piece body is provided with a concave part which is matched with the inserting piece limiting column in an inserting mode.
In an optional implementation manner, protruding parts are arranged on the left side and the right side of the electrode insert body, one recessed part is arranged on each protruding part, and two recessed parts are arranged at the rear end of the electrode insert body; the quantity of the spacing post of inserted sheet is four, four the spacing post of inserted sheet respectively with four the cooperation of pegging graft of depressed part one-to-one.
In an optional embodiment, the positioning assembly includes a plurality of first positioning holes disposed on the upper end plate, a plurality of second positioning holes disposed on the lower end plate, and a plurality of positioning pillars, the first positioning holes and the second positioning holes are disposed in one-to-one correspondence, and each positioning pillar is inserted into the corresponding first positioning hole and second positioning hole; the left side of the upper end plate is provided with three first positioning holes, the rear end of the upper end plate is provided with four first positioning holes, and the right side of the upper end plate is provided with three first positioning holes; the left side of the lower end plate is provided with three second positioning holes, the rear end of the lower end plate is provided with four second positioning holes, and the right side of the lower end plate is provided with three second positioning holes; the number of the positioning columns is ten, and each positioning column is inserted into the corresponding first positioning hole and the corresponding second positioning hole; stepped depressions are formed in the peripheries of the opening ends of the first groove and the second groove, stepped sealing rings are embedded in the stepped depressions of the first groove and the second groove, and the ion exchange membrane in each electrolytic chamber is located between the two sealing rings; an insulating gasket is arranged between every two adjacent electrode inserting piece bodies.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model comprises an upper end plate, a lower end plate and an electrode insert sheet stacked between the upper end plate and the lower end plate; the electrode insert comprises an electrode insert body, wherein an anode plate is arranged on one side of the electrode insert body in the thickness direction, a cathode plate is arranged on the other opposite side of the electrode insert body, a proton exchange membrane is arranged in each electrolytic chamber and is positioned between the anode plate and the cathode plate, the anode chamber is provided with an electrolyte input port and an electrolyte output port, and the cathode chamber is provided with a hydrogen output port; the number of the electrode inserting pieces is M, and M is more than or equal to 2; m electrode inserting sheets are enclosed to form N electrolysis chambers, wherein N is M-1; by the design, the single electrode insert can be independently disassembled and replaced, and the electrode insert has the characteristics of convenience in disassembly and assembly and low replacement cost; the traditional electrolytic cell needs to be completely disassembled during maintenance, more electrodes are damaged during the disassembly process, and the maintenance cost is increased. And simultaneously, every all be equipped with the screens groove on the outer wall of the left and right sides of electrode inserted sheet body, when wherein arbitrary electrode inserted sheet needs to be changed, can lock fixedly through outside locking mechanism (if draw ma) other electrode inserted sheets, avoid other electrode inserted sheets to take place the displacement or because of the collision impaired.
2. The clamping groove of the utility model comprises a first clamping groove and a second clamping groove; the electrode insert body comprises an electrode insert body, wherein the number of first clamping grooves is four, two first clamping grooves are positioned on the upper part of the outer wall of the left side of the electrode insert body, and the other two first clamping grooves are positioned on the upper part of the outer wall of the right side of the electrode insert body; the number of the second clamping grooves is four, two second clamping grooves are positioned at the lower part of the outer wall of the left side of the electrode inserting piece body, and the other two second clamping grooves are positioned at the lower part of the outer wall of the right side of the electrode inserting piece body; design like this, change the in-process, it is fixed through a lama locking respectively with the left and right sides of waiting to change an electrode inserted sheet adjacent electrode inserted sheet, and it is fixed through a lama locking respectively with the left and right sides of waiting to change another electrode inserted sheet adjacent electrode inserted sheet for the atress is more balanced.
3. The utility model discloses an every still be equipped with on the lateral wall of electrode inserted sheet body with the monitoring mouth of anode chamber intercommunication, sealed mounting has the sensor in the monitoring mouth. Preferably, the monitoring port comprises a water pressure monitoring port and a temperature monitoring port, a pressure sensor is arranged in the water pressure monitoring port in a sealing mode, and a temperature sensor is arranged in the temperature monitoring port in a sealing mode. By the design, parameters such as the pressure and the temperature of the electrolyte in the anode chamber can be monitored in real time.
4. The hydrogen generator of the utility model can be freely combined, when M is 2, the first groove of one electrode inserting sheet is contacted with the lower end plate to enclose, the second groove of the electrode inserting sheet and the first groove of the other electrode inserting sheet are enclosed to form one electrolysis chamber, and the second groove of the other electrode inserting sheet is contacted with the upper end plate to enclose; such that N is 1; when M is more than or equal to 3, the two adjacent electrode inserting sheets are enclosed to form the electrolysis chamber, wherein the first groove of the electrode inserting sheet positioned at the bottommost layer is in contact with the lower end plate and enclosed, and the second groove of the electrode inserting sheet positioned at the uppermost layer is in contact with the upper end plate and enclosed; so that N is more than or equal to 2; by combining the above combinations, the electrode inserts are repeatedly overlapped to form a more multipolar generator, and the electrode inserts are repeatedly overlapped infinitely to achieve the output of the specified air volume.
5. The hydrogen generator of the utility model is designed into a multi-pole serial connection type, and the electrode insert body is also provided with an electrolyte conveying channel communicated with the electrolyte outlet; the electrode insert piece body is further provided with a hydrogen conveying channel communicated with the hydrogen outlet, and every two adjacent anode chambers are communicated through the electrolyte conveying channel to form a U-shaped water flowing channel, so that the heat productivity of the electrode is reduced, and the energy consumption is reduced.
6. The front end of each electrode inserting piece body of the utility model is also provided with a conductive binding post which is electrically connected with the anode plate and the cathode plate respectively, so that the design can lead wires in sections without influencing normal work when the electrode inserting pieces are abnormal in the use process; moreover, the conductive wiring terminals on every two adjacent electrode inserting piece bodies are arranged in a staggered mode, and more operation spaces can be reserved for wiring of workers.
7. The utility model discloses all install insulating pad between every two adjacent electrode inserted sheet bodies, design like this, can ensure that two boards do not switch on, avoid causing the two poles of the earth short circuit to become invalid. In addition, the utility model discloses an embedded sealed design owing to be separated by proton exchange membrane between two sealing washers, ensures can not collude between the two boards and leads to.
Drawings
Fig. 1 is an exploded view of a plug-in hydrogen generator according to example 1; not shown in the figure are proton exchange membranes, media diffusion layers, anode plates, and cathode plates;
fig. 2 is a partial sectional view of the insert-type hydrogen generator according to embodiment 1; not shown in the figure are proton exchange membranes, media diffusion layers, anode plates, and cathode plates;
FIG. 3 is a schematic view of an assembly structure of the electrode tab, the proton exchange membrane, the media diffusion layer, the anode plate, and the cathode plate of example 1;
FIG. 4 is a perspective view of an electrode tab of example 1;
FIG. 5 is a perspective view of an electrode tab from another angle of example 1;
FIG. 6 is a perspective view of an electrode tab with a retaining groove of example 1;
FIG. 7 is a perspective view of another angle of the electrode tab with the retaining groove of example 1;
FIG. 8 is a schematic structural view of an electrode insert replaced by a Lama;
FIG. 9 is a schematic diagram of a structure of a Lama;
fig. 10 is an exploded view of the plug-in hydrogen generator of example 2; not shown in the figure are proton exchange membranes, media diffusion layers, anode plates, and cathode plates;
FIG. 11 is a schematic view showing an assembly structure of the electrode tab, the proton exchange membrane, the medium diffusion layer, the anode plate and the cathode plate in example 2;
fig. 12 is an exploded view of the plug-in hydrogen generator of example 3; not shown in the figure are proton exchange membranes, media diffusion layers, anode plates, and cathode plates;
fig. 13 is a schematic view of an assembly structure of the electrode tab, the proton exchange membrane, the media diffusion layer, the anode plate, and the cathode plate of example 3.
In the figure: 10. an upper end plate; 11. an electrolyte input channel; 20. a lower end plate; 21. a hydrogen gas output channel; 22. an electrolyte output channel; 30. an electrode insert; 31. an electrode insert body; 32. a first groove; 321. an electrolyte inlet; 322. an electrolyte outlet; 33. a second groove; 331. a hydrogen gas outlet; 34. an electrolyte delivery channel; 35. a hydrogen gas delivery passage; 36. a conductive binding post; 37. a protrusion; 38. a clamping groove; 381. a first clamping groove; 382. a second clamping groove; 41. a first positioning hole; 42. a second positioning hole; 43. a positioning column; 51. an anode plate; 52. a cathode plate; 60. a proton exchange membrane; 61. a dielectric diffusion layer; 71. an insert limiting column; 72. a recessed portion; 80. a seal ring; 90. an insulating spacer; 100. a Lama; 110. a connecting arm; 120. a first clamp arm; 130. a second clamp arm; 140. and locking the screw.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict. Except as specifically noted, the materials and equipment used in this example are commercially available. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. In the description of the present application, "a plurality" means two or more unless specifically stated otherwise.
In the description of the present application, it should be noted that unless otherwise specifically stated or limited, the terms "connected," "communicating," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a connection through an intervening medium, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1:
referring to fig. 1 to 5, a tab type hydrogen generator includes an upper end plate 10, a lower end plate 20, and an electrode tab 30 stacked between the upper end plate 10 and the lower end plate 20, the upper end plate 10 and the lower end plate 20 being connected by a positioning assembly;
the number of the electrode inserts 30 is M, where M is 4; the electrode insert 30 comprises an electrode insert body 31, wherein an anode plate 51 is arranged on one side of the electrode insert body 31 in the thickness direction, and a cathode plate 52 is arranged on the other opposite side of the electrode insert body 31; m electrode inserting sheets are enclosed to form N electrolysis chambers, wherein N is 4-1-3; a proton exchange membrane 60 is arranged in each electrolytic chamber, and medium diffusion layers 61 are respectively arranged on two sides of the proton exchange membrane 60; the proton exchange membrane 60 is positioned between the anode plate 51 and the cathode plate 52, and the proton exchange membrane 60 is used for dividing the electrolytic chamber into an anode chamber and a cathode chamber; the anode chamber is provided with an electrolyte inlet 321 and an electrolyte outlet 322, and the cathode chamber is provided with a hydrogen outlet 331.
In this embodiment, the electrolyte is water, and in the practical application process, the electrolyte input channel is externally connected with the electrolyte input device, the electrolyte output channel is externally connected with the electrolyte processing device, and the hydrogen output channel is externally connected with the hydrogen processing device. The proton exchange membrane 60 and the medium diffusion layer 61 are conventional structures in the prior art, such as: the proton exchange membrane 60 may be a nafion membrane of dupont or the like, and the medium diffusion layer 61 may be air-permeable cotton having a porous structure or the like. The inserted sheet type hydrogen generator can be driven by a pulse direct current power supply.
Referring to fig. 6-9, in the present embodiment, the outer walls of the left and right sides of each electrode insert body are provided with locking grooves 38. When any one of the electrode inserts needs to be replaced, other electrode inserts can be locked and fixed through an external locking mechanism (such as a Rama); specifically, the lama 100 includes a connecting arm 110, a first clamping arm 120 fixedly mounted at one end of the connecting arm, and a second clamping arm 130 slidably mounted at the other end of the connecting arm, wherein a locking screw 140 is disposed on the second clamping arm. In the change process, with treating that the adjacent electrode inserted sheet of change electrode inserted sheet is fixed through the locking of lama, concrete step is: the first clamping arm of the puller is inserted into a clamping groove of an electrode inserting sheet adjacent to the electrode inserting sheet to be replaced, the second clamping arm of the puller clamps the upper end plate or the lower end plate and is locked and locked fixedly through locking, so that the electrode inserting sheet to be replaced can be pulled out, and other electrode inserting sheets are prevented from being displaced or damaged due to collision. When the electrode insert to be replaced is drawn out, other electrode inserts are tightly leaned, and the two end plates are tightened, so that the hydrogen generator capable of working normally can be formed.
In the preferred embodiment of the present invention, the detent groove 38 includes a first detent groove 381 and a second detent groove 382; the electrode insert body comprises an electrode insert body, wherein the number of first clamping grooves is four, two first clamping grooves are positioned on the upper part of the outer wall of the left side of the electrode insert body, and the other two first clamping grooves are positioned on the upper part of the outer wall of the right side of the electrode insert body; the quantity in second screens groove is four, and two second screens grooves are located the left side outer wall lower part of electrode inserted sheet body, and two other second screens grooves are located the right side outer wall lower part of electrode inserted sheet body. Design like this, change the in-process, it is fixed through a lama locking respectively with the left and right sides of waiting to change an electrode inserted sheet adjacent electrode inserted sheet, and it is fixed through a lama locking respectively with the left and right sides of waiting to change another electrode inserted sheet adjacent electrode inserted sheet for the atress is more balanced.
In the preferred embodiment of the present invention, each of the outer side walls of the electrode insert body is further provided with a monitoring port communicated with the anode chamber, and the monitoring port is provided with a sensor in a sealing manner. Preferably, the monitoring port comprises a water pressure monitoring port and a temperature monitoring port, a pressure sensor is arranged in the water pressure monitoring port in a sealing mode, and a temperature sensor is arranged in the temperature monitoring port in a sealing mode. By the design, parameters such as the pressure and the temperature of the electrolyte in the anode chamber can be monitored in real time.
In the preferred embodiment of the present invention, the upper end plate 10 is provided with an electrolyte inlet channel 11, which is connected to the electrolyte inlet 321 of the corresponding anode chamber; the lower end plate 20 is provided with a hydrogen output channel 21 which is communicated to a hydrogen output port 331 of the cathode chamber corresponding to the hydrogen output channel; the lower end plate 20 is provided with an electrolyte output channel 22, and the electrolyte output channel is communicated to an electrolyte output port 322 of the corresponding anode chamber.
In the preferred embodiment of the present invention, the electrode insert body 31 is provided with a first groove 32 and a second groove 33 respectively at two sides along the thickness direction; the anode plate 51 is arranged in the first groove 32, and the cathode plate 52 is arranged in the second groove 33; a hydrogen outlet 331 communicated with the second groove 33 is arranged on the electrode insert body 31; the electrode insert body 31 is also provided with an electrolyte input port 321 and an electrolyte output port 322 which are respectively communicated with the first groove 32; the electrode insert body 31 is also provided with an electrolyte conveying channel 34 communicated with the electrolyte outlet 322; the electrode insert body 31 is also provided with a hydrogen conveying channel 35 communicated with the hydrogen output port 331;
when M is 4, an electrolytic chamber is formed by enclosing every two adjacent electrode inserts, wherein the first groove 32 of the electrode insert positioned at the bottommost layer is in contact with the lower end plate 20 and enclosed, and the second groove 33 of the electrode insert positioned at the uppermost layer is in contact with the upper end plate 10 and enclosed; such that N is 3; the hydrogen conveying channels 35 between every two adjacent electrode inserting sheets are communicated with each other, and the hydrogen conveying channels 35 are communicated with the hydrogen output channel; the electrolyte conveying channels 34 between every two adjacent electrode inserting sheets are communicated with each other, wherein the electrolyte inlet 321 on the electrode inserting sheet at the bottommost layer is communicated with the electrolyte inlet channel, and the electrolyte conveying channel 34 on the electrode inserting sheet at the topmost layer is connected with the electrolyte outlet channel.
In the preferred embodiment of the present invention, every two adjacent anode chambers are communicated with each other through the electrolyte transfer passage 34 to form a U-shaped water passage, thereby reducing the heat generation of the electrodes and the energy consumption.
In the preferred embodiment of the present invention, the front end of each electrode insert body 31 is further provided with a conductive binding post 36 electrically connected to the anode plate 51 and the cathode plate 52, so that when the electrode insert is abnormal in use, the electrode insert can be used by wiring in sections without affecting normal operation; the conducting binding posts 36 on every two adjacent electrode inserting piece bodies 31 are arranged in a staggered mode, and more operation spaces can be reserved for wiring of workers.
In the preferred embodiment of the present invention, an insert spacing post 71 is further disposed between the upper end plate 10 and the lower end plate 20; the electrode insert body 31 is provided with a concave part 72 which is in inserted connection with the insert limiting column 71. Through the inserting sheet limiting column 71 and the concave part 72 in inserting and matching, the electrode inserting sheet can be limited. More preferably, the left side and the right side of the electrode insert body 31 are provided with protruding parts 37, each protruding part 37 is provided with an arc-shaped recessed part 72, and the rear end of the electrode insert body 31 is provided with two recessed parts; the number of the inserting sheet limiting columns 71 is four, and the four inserting sheet limiting columns 71 are respectively in one-to-one corresponding inserting fit with the four concave parts. Design like this, can play better spacing effect to the electrode inserted sheet, prevent that the electrode inserted sheet from rocking about.
In the preferred embodiment of the present invention, the positioning assembly includes a plurality of first positioning holes 41 disposed on the upper end plate 10, a plurality of second positioning holes 42 disposed on the lower end plate 20, and a plurality of positioning pillars 43, the first positioning holes 41 and the second positioning holes 42 are disposed in a one-to-one correspondence, and each positioning pillar 43 is inserted into the corresponding first positioning hole 41 and the corresponding second positioning hole 42. By the design, after one electrode insert is pulled out, the upper end plate 10 can move downwards along the positioning column 43, and the remaining electrode inserts can be ensured to normally work after re-wiring. More preferably, the left side of the upper end plate 10 is provided with three first positioning holes 41, the rear end thereof is provided with four first positioning holes 41, and the right side thereof is provided with three first positioning holes 41; the left side of the lower end plate 20 is provided with three second positioning holes 42, the rear end of the lower end plate is provided with four second positioning holes 42, and the right side of the lower end plate is provided with three second positioning holes 42; the number of the positioning posts 43 is ten, and each positioning post 43 is inserted into the corresponding first positioning hole 41 and the second positioning hole 42. By the design, the connection stability between the upper end plate 10 and the lower end plate 20 can be ensured, and meanwhile, a movable space for the insertion and connection matching of the electrode insertion sheets is reserved at the front ends of the upper end plate 10 and the lower end plate 20.
In the preferred embodiment of the present invention, the peripheries of the open ends of the first groove 32 and the second groove 33 are both provided with step-shaped recesses, step-shaped sealing rings 80 are embedded in the step-shaped recesses of the first groove 32 and the second groove 33, and the ion exchange membrane in each electrolytic chamber is located between the two sealing rings 80; by adopting the embedded sealing design, the two sealing rings 80 are separated by the proton exchange membrane 60, so that the two plates are prevented from communicating with each other. An insulating spacer 90 is arranged between every two adjacent electrode insert bodies 31. By the design, the two plates can be ensured not to be conducted, and the failure of two-pole short circuit is avoided.
Example 2:
referring to fig. 10 to 11, the present embodiment is characterized in that: when M is 2, the first groove 32 of one electrode insert is in contact with the lower end plate 20 to form an enclosure, the second groove 33 of the electrode insert is in contact with the first groove 32 of the other electrode insert to form an electrolysis chamber, and the second groove 33 of the other electrode insert is in contact with the upper end plate 10 to form an enclosure; such that N is 1; the hydrogen conveying channels 35 between the two electrode inserting sheets are communicated with each other, and the hydrogen conveying channels 35 are communicated with the hydrogen output channel; electrolyte conveying channels 34 between the two electrode inserting pieces are communicated with each other, an electrolyte inlet 321 on one electrode inserting piece is communicated with the electrolyte inlet channel, and an electrolyte conveying channel 34 on the other electrode inserting piece is connected with the electrolyte outlet channel.
The rest is the same as in example 1.
Example 3:
referring to fig. 12-13, the present embodiment features: when M is 3, an electrolytic chamber is formed by enclosing every two adjacent electrode inserts, wherein the first groove 32 of the electrode insert positioned at the bottommost layer is in contact with the lower end plate 20 and enclosed, and the second groove 33 of the electrode insert positioned at the uppermost layer is in contact with the upper end plate 10 and enclosed; so that N is 2.
The rest is the same as in example 1.
Other examples are as follows:
when M is more than or equal to 5, the two adjacent electrode inserting sheets are enclosed to form the electrolysis chamber, wherein the first groove of the electrode inserting sheet positioned at the bottommost layer is in contact with the lower end plate and enclosed, and the second groove of the electrode inserting sheet positioned at the uppermost layer is in contact with the upper end plate and enclosed; so that N is more than or equal to 4. The proton exchange membrane and the medium diffusion layer can also adopt other structures in the prior art. While only certain features and embodiments of the application have been illustrated and described, many modifications and changes may occur to those skilled in the art (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the scope and spirit of the invention in the claims.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (10)

1. An insert type hydrogen generator, characterized in that: the electrode inserting plate comprises an upper end plate, a lower end plate and an electrode inserting sheet stacked between the upper end plate and the lower end plate, wherein the upper end plate is connected with the lower end plate through a positioning assembly;
the number of the electrode inserting pieces is M, and M is more than or equal to 2; the electrode insert comprises an electrode insert body, wherein an anode plate is arranged on one side of the electrode insert body in the thickness direction, and a cathode plate is arranged on the other opposite side of the electrode insert body; m electrode inserting sheets are enclosed to form N electrolysis chambers, wherein N is M-1; a proton exchange membrane is arranged in each electrolytic chamber, and medium diffusion layers are respectively arranged on two sides of the proton exchange membrane; the proton exchange membrane is positioned between the anode plate and the cathode plate and is used for dividing the electrolysis chamber into an anode chamber and a cathode chamber; the anode chamber is provided with an electrolyte input port and an electrolyte output port, and the cathode chamber is provided with a hydrogen output port;
every all be equipped with the screens groove on the outer wall of the left and right sides of electrode inserted sheet body.
2. The plug-in hydrogen generator according to claim 1, wherein the detent groove comprises a first detent groove and a second detent groove; the electrode insert body comprises an electrode insert body, wherein the number of first clamping grooves is four, two first clamping grooves are positioned on the upper part of the outer wall of the left side of the electrode insert body, and the other two first clamping grooves are positioned on the upper part of the outer wall of the right side of the electrode insert body; the quantity in second screens groove is four, and two second screens grooves are located the left side outer wall lower part of electrode inserted sheet body, and two other second screens grooves are located the right side outer wall lower part of electrode inserted sheet body.
3. The insert-type hydrogen generator according to claim 1, wherein a monitoring port communicated with the anode chamber is further provided on an outer side wall of each electrode insert body, and a sensor is hermetically mounted in the monitoring port.
4. The plug-in hydrogen generator according to claim 3, wherein the monitoring port comprises a water pressure monitoring port and a temperature monitoring port, the water pressure monitoring port is hermetically provided with a pressure sensor therein, and the temperature monitoring port is hermetically provided with a temperature sensor therein.
5. The plug-in type hydrogen generator according to claim 1, wherein the upper end plate and/or the lower end plate is provided with an electrolyte input channel, and the electrolyte input channel is communicated to the electrolyte input port of the anode chamber corresponding to the electrolyte input channel; a hydrogen output channel is arranged on the upper end plate and/or the lower end plate and communicated to the hydrogen output port of the corresponding cathode chamber; electrolyte output channels are arranged on the upper end plate and/or the lower end plate and communicated to the electrolyte output ports of the anode chambers corresponding to the electrolyte output channels.
6. The plug-in sheet hydrogen generator according to claim 5, wherein the electrode plug-in sheet body is provided with a first groove and a second groove respectively at two sides along the thickness direction; the anode plate is arranged in the first groove, and the cathode plate is arranged in the second groove; the electrode insert body is provided with the hydrogen outlet communicated with the second groove; the electrode insert body is also provided with the electrolyte input port and the electrolyte output port which are communicated with the first groove; the electrode insert body is also provided with an electrolyte conveying channel communicated with the electrolyte outlet; the electrode insert body is also provided with a hydrogen conveying channel communicated with the hydrogen outlet;
when M is 2, the first groove of one electrode inserting sheet is in contact with the lower end plate to form an enclosure, the second groove of the electrode inserting sheet is in contact with the first groove of the other electrode inserting sheet to form one electrolysis chamber, and the second groove of the other electrode inserting sheet is in contact with the upper end plate to form an enclosure; such that N is 1; the hydrogen conveying channels between the two electrode inserting pieces are communicated with each other, and the hydrogen conveying channels are communicated with the hydrogen output channel; electrolyte conveying channels between the two electrode inserting pieces are communicated with each other, an electrolyte input port on one electrode inserting piece is communicated with the electrolyte input channel, and an electrolyte conveying channel on the other electrode inserting piece is connected with the electrolyte output channel;
when M is more than or equal to 3, the two adjacent electrode inserting sheets are enclosed to form the electrolysis chamber, wherein the first groove of the electrode inserting sheet positioned at the bottommost layer is in contact with the lower end plate and enclosed, and the second groove of the electrode inserting sheet positioned at the uppermost layer is in contact with the upper end plate and enclosed; so that N is more than or equal to 2; hydrogen conveying channels between every two adjacent electrode inserting pieces are communicated with each other, and the hydrogen conveying channels are communicated with a hydrogen output channel; electrolyte conveying channels between every two adjacent electrode inserting pieces are communicated with each other, wherein an electrolyte inlet on the electrode inserting piece positioned at the bottommost layer is communicated with the electrolyte inlet channel, and the electrolyte conveying channel on the electrode inserting piece positioned at the topmost layer is connected with the electrolyte outlet channel.
7. The plug-in hydrogen generator according to claim 6, wherein each adjacent two of the anode chambers are connected to each other by an electrolyte supply passage to form a U-shaped water passage.
8. The plug-in sheet type hydrogen generator according to claim 1, wherein the front end of each electrode plug-in sheet body is further provided with conductive posts electrically connected with the anode plate and the cathode plate respectively, and the conductive posts on every two adjacent electrode plug-in sheet bodies are arranged in a staggered manner.
9. The plug-in sheet hydrogen generator according to claim 1, wherein a plug-in sheet limiting column is further provided between the upper end plate and the lower end plate; the electrode insert body is provided with a concave part which is in inserted fit with the insert limiting column; the left side and the right side of the electrode insert body are provided with protruding parts, each protruding part is provided with one recessed part, and the rear end of the electrode insert body is provided with two recessed parts; the quantity of the spacing post of inserted sheet is four, four the spacing post of inserted sheet respectively with four the cooperation of pegging graft of depressed part one-to-one.
10. The insert-type hydrogen generator according to claim 6, wherein the positioning assembly comprises a plurality of first positioning holes disposed on the upper end plate, a plurality of second positioning holes disposed on the lower end plate, and a plurality of positioning posts, the first positioning holes and the second positioning holes are disposed in a one-to-one correspondence, and each positioning post is inserted into the corresponding first positioning hole and the corresponding second positioning hole; the left side of the upper end plate is provided with three first positioning holes, the rear end of the upper end plate is provided with four first positioning holes, and the right side of the upper end plate is provided with three first positioning holes; the left side of the lower end plate is provided with three second positioning holes, the rear end of the lower end plate is provided with four second positioning holes, and the right side of the lower end plate is provided with three second positioning holes; the number of the positioning columns is ten, and each positioning column is inserted into the corresponding first positioning hole and the corresponding second positioning hole; stepped depressions are formed in the peripheries of the opening ends of the first groove and the second groove, stepped sealing rings are embedded in the stepped depressions of the first groove and the second groove, and the ion exchange membrane in each electrolytic chamber is located between the two sealing rings; an insulating gasket is arranged between every two adjacent electrode inserting piece bodies.
CN202021294858.0U 2020-07-03 2020-07-03 Inserted sheet type hydrogen generator Expired - Fee Related CN212834048U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021294858.0U CN212834048U (en) 2020-07-03 2020-07-03 Inserted sheet type hydrogen generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021294858.0U CN212834048U (en) 2020-07-03 2020-07-03 Inserted sheet type hydrogen generator

Publications (1)

Publication Number Publication Date
CN212834048U true CN212834048U (en) 2021-03-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114059080A (en) * 2021-11-29 2022-02-18 广州松腾实业有限公司 Electrolytic pole piece and hydrogen generator comprising same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114059080A (en) * 2021-11-29 2022-02-18 广州松腾实业有限公司 Electrolytic pole piece and hydrogen generator comprising same
CN114059080B (en) * 2021-11-29 2023-12-29 广州松腾实业有限公司 Electrolytic pole piece and hydrogen generator comprising same

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Granted publication date: 20210330