CN217933863U - Bipolar plate flattening tool - Google Patents
Bipolar plate flattening tool Download PDFInfo
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- CN217933863U CN217933863U CN202221813360.XU CN202221813360U CN217933863U CN 217933863 U CN217933863 U CN 217933863U CN 202221813360 U CN202221813360 U CN 202221813360U CN 217933863 U CN217933863 U CN 217933863U
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- plate
- bipolar
- bipolar plate
- flattening
- temperature
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model discloses a bipolar plate leveling tool, which comprises a pressing component and a temperature adjusting structure, wherein the pressing component comprises a bottom plate, a cover plate and a pressing piece covered on the cover plate, and an accommodating space is formed between the bottom plate and the cover plate; the bipolar plate and the temperature adjusting structure are stacked and contained in the containing space, and the temperature adjusting structure is used for adjusting the temperature of the bipolar plate. This bipolar plate flattening frock has effectively alleviated because bipolar plate that the anode plate of bipolar plate and negative plate surface unevenness lead to has local bonding not in place or even the phenomenon of unbonded in the in-process of bonding, also can effectively flatten bipolar plate, and the practicality is strong.
Description
Technical Field
The utility model relates to a fuel cell technical field especially relates to a bipolar plate flattening frock.
Background
The proton exchange membrane fuel cell is a fuel cell formed by stacking bipolar plates, membrane electrodes and other components. The bipolar plate is one of the main components of the proton exchange membrane fuel cell and is formed by bonding an anode plate and a cathode plate. Among other things, the flatness of the anode and cathode plates can affect the gas distribution uniformity and the membrane electrode pressure uniformity of the formed stack.
At present, an anode plate and a cathode plate of a bipolar plate are generally bonded and cured by an adhesive, but due to the fact that the surfaces of the anode plate and the cathode plate are uneven, the anode plate and the cathode plate are partially bonded or even not bonded in the bonding process, and the using performance of the bipolar plate is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bipolar plate flattening frock to solve among the prior art because the bipolar plate that the polar plate surface unevenness leads to has local bonding not to the position or even not adhesive problem at the adhesive in-process.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a bipolar plate flattening frock, it includes:
the pressing assembly comprises a bottom plate, a cover plate and a pressing piece covered on the cover plate, and an accommodating space is formed between the bottom plate and the cover plate;
the bipolar plate and the temperature adjusting structure are stacked and contained in the containing space, and the temperature adjusting structure is used for adjusting the temperature of the bipolar plate.
Preferably, the temperature adjusting structure comprises a leveling plate, a pipeline is arranged in the leveling plate, the bipolar plate leveling tool further comprises a temperature regulator, the temperature regulator is communicated with the fluid supply source and is communicated with the pipeline, and the temperature regulator is used for regulating the temperature of the fluid flowing into the pipeline from the fluid supply source.
Preferably, the conduit is serpentine.
Preferably, the fluid is water.
Preferably, a hydraulic pump is further connected between the pipe and the temperature regulator.
Preferably, the diameter of the inlet end of the conduit is greater than the diameter of the outlet end of the conduit.
Preferably, the leveling plate is made of a metal material.
Preferably, the flat plate is made of aluminum.
Preferably, the area of the flat plate is larger than that of the bipolar plate.
Preferably, the number of the bipolar plates is plural, the bipolar plates are sequentially stacked on the base plate, and one flat plate is disposed between any two adjacent bipolar plates.
The utility model has the advantages that:
an object of the utility model is to provide a bipolar plate flattening frock, this bipolar plate flattening frock is including compressing tightly subassembly and temperature regulation structure, specifically, after bipolar plate's negative plate and anode plate passed through the preliminary bonding of adhesive, bipolar plate and temperature regulation structure that will tentatively bond are range upon range of in proper order and are placed in the bottom plate, adjust the temperature of bipolar plate through the temperature regulation structure, close the apron lid again, will compress tightly a pressfitting on the apron, can understand, the apron compresses tightly bipolar plate and temperature regulation structure in the bottom plate with compressing tightly a combined action, temperature regulation structure and bipolar plate in close contact with, make bipolar plate be heated and soften and by flattening, also can make the position bonding that sets up the adhesive between bipolar plate's anode plate and the negative plate target in place and the adhesive solidifies, then the temperature that reduces bipolar plate through the temperature regulation structure, make bipolar plate receive the cold setting, thereby effectively alleviated bipolar plate because bipolar plate's positive plate and the bipolar plate surface irregularity of bipolar plate result in that the adhesive practicality is not in place or even unbonded phenomenon exists in the bonded process, also can effectively flatten effectively, the adhesive solidification accelerates, the practicality is strong, and the utility model has the utility model.
Drawings
Fig. 1 is a schematic view of a part of a bipolar plate leveling tool according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a part of a bipolar plate flattening tool according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a leveling plate of the bipolar plate leveling tool according to an embodiment of the present invention.
In the figure:
100. a bipolar plate;
11. a base plate; 12. a cover plate; 13. a pressing member;
21. leveling the plate; 22. a temperature regulator; 23. a fluid supply source; 24. a hydraulic pump; 211. a pipeline;
31. a limiting block; 32. a limiting post.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The utility model provides a bipolar plate leveling tool, as shown in figure 1, the bipolar plate leveling tool comprises a pressing component and a temperature adjusting structure, the pressing component comprises a bottom plate 11, an cover plate 12 and a pressing piece 13 covered on the cover plate 12, and an accommodating space is formed between the bottom plate 11 and the cover plate 12; the bipolar plate 100 and the temperature adjusting structure are stacked and accommodated in the accommodating space, and the temperature adjusting structure is used to adjust the temperature of the bipolar plate 100. Specifically, after the cathode plate and the anode plate of the bipolar plate 100 are primarily bonded by an adhesive, the primarily bonded bipolar plate 100 and a temperature adjusting structure are stacked on the bottom plate 11, the temperature of the bipolar plate 100 is increased by the temperature adjusting structure, the cover plate 12 is covered, and the pressing piece 13 is pressed on the cover plate 12, it can be understood that the bipolar plate 100 and the temperature adjusting structure are pressed on the bottom plate 11 by the combined action of the cover plate 12 and the pressing piece 13, the temperature adjusting structure is in close contact with the bipolar plate 100, so that the bipolar plate 100 is heated and softened and pressed flat, the position where the adhesive is arranged between the anode plate and the cathode plate of the bipolar plate 100 is bonded in place and the adhesive is solidified, then the temperature of the bipolar plate 100 is reduced by the temperature adjusting structure, so that the bipolar plate 100 is cooled and shaped, thereby effectively relieving the phenomenon that the bipolar plate 100 is partially bonded or even unbonded in the bonding process due to the uneven surfaces of the anode plate and the cathode plate 100, effectively leveling 100, accelerating the curing of the adhesive and strong practicability.
As shown in fig. 1 and 2, the temperature adjusting structure includes a leveling plate 21, a pipe 211 is disposed in the leveling plate 21, the bipolar plate leveling tool further includes a temperature adjuster 22, the temperature adjuster 22 is communicated with the fluid supply source 23 and is communicated with the pipe 211, and the temperature adjuster 22 is used for adjusting the temperature of the fluid flowing into the pipe 211 from the fluid supply source 23. Specifically, the inlet end of the pipe 211 is communicated with the temperature regulator 22, the temperature regulator 22 includes a heater for heating the fluid and then delivering the fluid to the pipe 211 inside the leveling plate 21, the fluid inside the pipe 211 conducts the heat energy to the surface of the leveling plate 21 and then from the leveling plate 21 to the bipolar plate 100, so as to heat the bipolar plate 100; when the bipolar plate 100 is cooled, the fluid at normal temperature can be delivered to the pipeline 211 in the flat plate 21 through the communicating pipe, and it can be understood that a certain temperature difference exists between the heated bipolar plate 100 and the fluid at normal temperature, so that the heated bipolar plate 100 can be effectively cooled. As an alternative, the temperature regulator 22 also comprises cooling means for cooling the fluid, which is fed through the communication duct to the duct 211 in the flattening plate 21, also to achieve cooling of the bipolar plate 100.
In particular, the fluid is water. The input pipe 211 can heat the leveling plate 21 after the water is heated by the heater. Alternatively, the fluid may be a gas, preferably an inert gas, or water vapor, etc.
Preferably, as shown in fig. 2 and 3, a hydraulic pump 24 is further connected between the pipe 211 and the thermostat 22. Specifically, a hydraulic pump 24 is connected between the inlet end of the pipe 211 and the temperature regulator 22, and by providing the hydraulic pump 24 between the pipe 211 and the temperature regulator 22, the hydraulic pump 24 can rapidly pump heated water or normal temperature water into the pipe 211 of the flat plate 21, thereby further improving the efficiency of heating or cooling the bipolar plate 100 through the flat plate 21.
Preferably, as shown in fig. 3, the diameter of the inlet end of the pipe 211 is larger than the diameter of the outlet end of the pipe 211. So set up for the circulation rate that the fluid flows into pipeline 211 is greater than the circulation rate that flows out of pipeline 211, makes the water that is heated can dwell an end time in pipeline 211 and heats leveling plate 21, also can make the water of normal atmospheric temperature dwell an end time in pipeline 211 and cools off leveling plate 21, thereby further improved the efficiency of heating or cooling bipolar plate 100 through leveling plate 21.
Preferably, as shown in fig. 2, the outlet end of the pipe 211 communicates with the fluid supply source 23. Thus, the fluid can be reused.
Preferably, as shown in FIG. 3, the conduit 211 has a serpentine shape. This arrangement increases the contact area between the channel 211 and the flat plate 21, and can further improve the efficiency of heating or cooling the bipolar plate 100 by the flat plate 21.
Wherein the leveling plate 21 is made of a metal material. The metal material has good thermal conductivity.
Specifically, in the present embodiment, the leveling plate 21 is made of an aluminum material. The aluminum material is light in weight and has good heat conductivity.
Preferably, as shown in fig. 1, the planar plate 21 has a plate surface area greater than that of the bipolar plate 100. This is so arranged that the flattening plate 21 can completely cover the bipolar plate 100 adjacent thereto, thereby further improving the efficiency of heating or cooling the bipolar plate 100 by the flattening plate 21.
The number of the bipolar plates 100 is plural, the bipolar plates 100 are sequentially stacked on the base plate 11, and one flat plate 21 is disposed between any two bipolar plates 100. It is to be understood that one leveling plate 21 may be provided between any adjacent two bipolar plates 100, and the conduit 211 of each leveling plate 21 is in communication with the hydraulic pump 24, the temperature regulator 22, and the fluid supply 23. As an alternative, a single flat plate 21 may be provided at intervals of a plurality of bipolar plates 100. Fig. 1 shows only an example of a stacking manner in which one flat plate 21 is disposed between any two adjacent bipolar plates 100.
As shown in fig. 1, the bottom plate 11 is provided with a first limiting structure, the first limiting structure includes two limiting blocks 31 arranged at intervals along a first direction, and the bipolar plate 100 is located between the two limiting blocks 31. To define the arrangement position of the bipolar plate 100 and the flat plate 21 to the bottom plate 11 in the first direction.
The bottom plate 11 is further provided with a second limiting structure, the second limiting structure includes two limiting assemblies arranged at intervals along a second direction, the bipolar plate 100 is located between the two limiting assemblies, and the first direction and the second direction are perpendicular to each other and are parallel to the surface of the bottom plate 11. The arrangement is such that the arrangement position of the bipolar plate 100 and the flat plate 21 on the bottom plate 11 is completely limited by the first limit structure and the second limit structure, and the dislocation of the bipolar plate 100 and the flat plate 21 is prevented.
Specifically, as shown in fig. 1, the position-limiting assembly includes a plurality of position-limiting columns 32 disposed on the bottom plate 11 at intervals along the first direction. The positions of the bipolar plate 100 and the flat plate 21 are defined in the second direction by the spacer columns 32.
Wherein the pressing piece 13 comprises at least one pressing block. Specifically, the number of the compression blocks is adaptively adjusted according to the number of the bipolar plates 100.
The specific structure of the heater belongs to the prior art, and is not described herein again; the specific structure of the cooling device belongs to the prior art, and is not described in detail herein.
It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a bipolar plate flattening frock which characterized in that includes:
the pressing assembly comprises a bottom plate (11), a cover plate (12) and a pressing piece (13) covered on the cover plate (12), and an accommodating space is formed between the bottom plate (11) and the cover plate (12);
the bipolar plate (100) and the temperature adjusting structure are stacked and contained in the containing space, and the temperature adjusting structure is used for adjusting the temperature of the bipolar plate (100).
2. The bipolar plate flattening tool according to claim 1, wherein the temperature adjusting structure comprises a flattening plate (21), a pipe (211) is arranged in the flattening plate (21), the bipolar plate flattening tool further comprises a temperature adjuster (22), the temperature adjuster (22) is communicated with a fluid supply source (23) and is communicated with the pipe (211), and the temperature adjuster (22) is used for adjusting the temperature of fluid flowing from the fluid supply source (23) into the pipe (211).
3. The bipolar plate flattening tool of claim 2, wherein the conduit (211) has a serpentine shape.
4. The bipolar plate flattening tool of claim 2, wherein the fluid is water.
5. The bipolar plate flattening tool according to claim 2, characterized in that a hydraulic pump (24) is further connected between the pipe (211) and the temperature regulator (22).
6. The bipolar plate flattening tool according to claim 2, wherein the diameter of the inlet end of the tube (211) is larger than the diameter of the outlet end of the tube (211).
7. The bipolar plate flattening tool according to claim 2, characterized in that the flattening plate (21) is made of a metal material.
8. The bipolar plate flattening tool according to claim 7, characterized in that the flattening plate (21) is made of aluminum.
9. The bipolar plate flattening tool according to claim 2, wherein the plate surface area of the flattening plate (21) is larger than the plate surface area of the bipolar plate (100).
10. The bipolar plate flattening tool according to claim 2, wherein the number of the bipolar plates (100) is multiple, the bipolar plates (100) are sequentially stacked on the bottom plate (11), and one flattening plate (21) is arranged between any two adjacent bipolar plates (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221813360.XU CN217933863U (en) | 2022-07-13 | 2022-07-13 | Bipolar plate flattening tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221813360.XU CN217933863U (en) | 2022-07-13 | 2022-07-13 | Bipolar plate flattening tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217933863U true CN217933863U (en) | 2022-11-29 |
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ID=84188624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221813360.XU Active CN217933863U (en) | 2022-07-13 | 2022-07-13 | Bipolar plate flattening tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217933863U (en) |
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2022
- 2022-07-13 CN CN202221813360.XU patent/CN217933863U/en active Active
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