CN220508985U - Fuel cell test fixture - Google Patents
Fuel cell test fixture Download PDFInfo
- Publication number
- CN220508985U CN220508985U CN202322053340.8U CN202322053340U CN220508985U CN 220508985 U CN220508985 U CN 220508985U CN 202322053340 U CN202322053340 U CN 202322053340U CN 220508985 U CN220508985 U CN 220508985U
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- CN
- China
- Prior art keywords
- clamping plate
- fuel cell
- splint
- flow
- fixture according
- Prior art date
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- 239000000446 fuel Substances 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 52
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052709 silver Inorganic materials 0.000 claims abstract description 27
- 239000004332 silver Substances 0.000 claims abstract description 27
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 26
- 239000000919 ceramic Substances 0.000 claims abstract description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 28
- 239000001257 hydrogen Substances 0.000 claims description 27
- 229910052739 hydrogen Inorganic materials 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000005538 encapsulation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 238000005192 partition Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model discloses a fuel cell test fixture, which comprises a first clamping plate and a second clamping plate, wherein a silver net is embedded into the inner side of the first clamping plate and used for collecting current of a cathode side, and a nickel net is embedded into the second clamping plate and used for collecting current of an anode side. This fuel cell test fixture passes through the inlet port or the venthole lets in on first splint and the second splint with detecting the wire, contact with the inside silver screen of anchor clamps and nickel screen, pass through silver screen and nickel screen high-efficiently with collecting the electric current and pass through the wire of its contact outgoing, realize the aassessment and the analysis to fuel cell performance, the leakproofness of anchor clamps has been strengthened, rethread first splint and second splint are after the centre gripping battery piece, through the encapsulation ceramic gum to the sealed intracavity of first splint and second splint, seal the clearance between first splint and second splint and the battery piece, place the gas leakage, further strengthened the leakproofness, the accuracy of detection is improved.
Description
Technical Field
The utility model belongs to the technical field of fuel cell testing tools, and particularly relates to a fuel cell testing clamp.
Background
A fuel cell is a device that converts chemical energy directly into electrical energy. It uses hydrogen (or other combustible material) and oxygen to generate electrical energy in an electrochemical reaction, and the fuel cell test fixture plays an important role in evaluating fuel cell performance and stability, and it provides electrical connection, supplies gas, controls temperature and humidity, records monitoring data, and takes safety into consideration. Through the test fixture, the fuel cell can be comprehensively and accurately tested, and support is provided for the development and application of fuel cell technology.
At present, the existing fuel cell test fixture is mainly used for clamping a cell between two clamping plates, then hydrogen and air are introduced through air inlets on the two clamping plates to react, an anode conductive plate and a cathode conductive plate are respectively arranged on two sides of the cell, data of the cell are detected through a conductive connector access wire on the conductive plate, but a certain gap exists between the anode conductive plate and the cathode conductive plate and the cell, and a small amount of gas leakage can be caused due to the existence of the anode conductive plate and the cathode conductive plate, so that accuracy of a detection result can be influenced.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and the device comprises a first clamping plate and a second clamping plate, wherein a silver net is embedded into the inner side of the first clamping plate and is used for collecting current of a cathode side, a nickel net is embedded into the second clamping plate and is used for collecting current of an anode side, and the first clamping plate and the second clamping plate are used for clamping a test battery piece; an air inlet hole and an air outlet hole are formed in the first clamping plate, and the air inlet hole and the air outlet hole are used for hydrogen to enter and exit and are used for introducing wires; the second clamping plate is provided with a hydrogen inlet hole and a hydrogen outlet hole which are used for air to enter and exit and to be led into the lead; and sealing cavities are formed in the first clamping plate and the second clamping plate.
Preferably, the first clamping plate and the second clamping plate are both internally provided with cavities, the cavities are internally provided with partition plates, flow passages are formed between the partition plates and the cavities, flow ridges are arranged in the flow passages, and the flow ridges and the partition plates form a first snake-shaped flow passage and a second snake-shaped flow passage in the cavities.
Preferably, one end of the first serpentine flow channel and one end of the second serpentine flow channel are connected with the air inlet hole or the hydrogen inlet hole, and the other ends of the first serpentine flow channel and the second serpentine flow channel are connected with the air outlet hole or the hydrogen outlet hole.
Preferably, the four corners of the first clamping plate are provided with positioning rods, the positioning rods penetrate through holes in the battery pieces to be connected with the second clamping plate, and the four positioning rods are arranged.
Preferably, positioning holes are formed in four corners of the second clamping plate, and the positioning holes are matched with the positioning rods.
Preferably, two flow ridges are arranged, the two flow ridges are respectively integrated with the first clamping plate and the second clamping plate, and the flow ridges are distributed in a serpentine shape.
Preferably, the flow ridge is on the same level as the divider plate.
Preferably, the silver mesh and the nickel mesh are attached to the flow ridge.
Preferably, the silver mesh and the first clamping plate are on the same horizontal plane, and the nickel mesh and the second clamping plate are on the same horizontal plane.
Preferably, ceramic glue is filled in the sealing cavity.
The technical scheme has the following advantages or beneficial effects:
according to the utility model, the detection lead is led in through the air inlet holes or the air outlet holes on the first clamping plate and the second clamping plate to be contacted with the silver screen and the nickel screen in the clamp, the collection current is efficiently transmitted out through the lead contacted with the silver screen and the nickel screen, so that the performance evaluation and analysis of the fuel cell are realized, the tightness of the clamp is enhanced, the cell is clamped in the middle through the first clamping plate and the second clamping plate, the gaps between the first clamping plate and the second clamping plate and the cell are sealed by filling ceramic glue into the sealing cavities of the first clamping plate and the second clamping plate, the gas leakage is placed, the tightness is further enhanced, and the detection accuracy is improved.
Drawings
FIG. 1 is a schematic diagram of a fuel cell testing fixture according to an embodiment of the present utility model;
FIG. 2 is an exploded view of a fuel cell test fixture according to one embodiment of the present utility model;
FIG. 3 is a schematic view of a first clamping plate of the fuel cell testing fixture of FIG. 1 according to the present utility model;
fig. 4 is a schematic structural view of a second clamping plate in the fuel cell testing fixture of fig. 1 according to the present utility model.
Legend description:
1. a first clamping plate; 2. a second clamping plate; 3. a silver mesh; 4. a nickel screen; 5. an air inlet hole; 6. an air outlet hole; 7. a hydrogen inlet hole; 8. a hydrogen gas outlet hole; 9. sealing the cavity; 10. a battery sheet; 11. a cavity; 12. a partition plate; 13. a flow passage; 14. a flow ridge; 15. a first serpentine flow path; 16. a second serpentine flow path; 17. a positioning rod; 18. positioning holes; 19. and a through hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 4, a fuel cell test fixture of the present utility model comprises a first clamping plate 1 and a second clamping plate 2, wherein a silver mesh 3 is embedded inside the first clamping plate 1, the silver mesh 3 is used for collecting current on a cathode side, a nickel mesh 4 is embedded inside the second clamping plate 2, the nickel mesh 4 is used for collecting current on an anode side, and the first clamping plate 1 and the second clamping plate 2 are used for clamping a test cell 10; the first clamping plate 1 is provided with an air inlet hole 5 and an air outlet hole 6, and the air inlet hole 5 and the air outlet hole 6 are used for leading in and out hydrogen and leading in wires; the second clamping plate 2 is provided with a hydrogen inlet hole 7 and a hydrogen outlet hole 8, and the hydrogen inlet hole 7 and the hydrogen outlet hole 8 are used for air inlet and outlet and lead-in; the first clamping plate 1 and the second clamping plate 2 are respectively provided with a sealing cavity 9, and ceramic glue is filled in the sealing cavities 9; through leading in the detection wire through the inlet port or the venthole on first splint 1 and the second splint 2, contact with the inside silver screen 3 of anchor clamps and nickel screen 4, through embedding silver screen 3 and nickel screen 4 to inside first splint 1 and the second splint 2, silver screen 3 and nickel screen 4 play the role of electric current collector, they can collect the electric current effectively and pass out through the wire that contacts with it, realize evaluation and analysis to fuel cell performance, for the current conducting plate detection of setting up, can not exist and have a small amount of gas leakage because there is certain clearance between current conducting plate and the battery piece, the leakproofness of anchor clamps has been strengthened, rethread first splint 1 and second splint 2 are with battery piece 10 centre after, seal through filling ceramic gum to the sealed chamber 9 of first splint 1 and second splint 2, gap between first splint 1 and second splint 2 and the battery piece 10, place the gas leakage, further strengthen the leakproofness, the accuracy of detection has been improved.
The current collection through the silver mesh 3 is used on the cathode side, and its main function is to efficiently collect electrons generated by the cathode reaction and transmit them to an external circuit. The silver mesh 3 has excellent conductivity and chemical stability, and can efficiently transmit electric current without being affected by hydrogen and water. At the same time, the silver mesh 3 can also provide a uniform current distribution and enhance the efficiency of the cathode reaction, and the nickel mesh 4 is used for current collection with the anode side. Its main function is similar to that of the silver mesh 3, i.e. electrons generated by the anodic reaction are collected and transferred to an external circuit. The nickel screen 4 has good conductivity and corrosion resistance, and is suitable for being used in fuel cells. By using the nickel screen 4, effective collection and transport of the anode reaction can be achieved, improving the efficiency of the anode reaction.
As shown in fig. 1 and 2, further, the first clamping plate 1 and the second clamping plate 2 are provided with a cavity 11, the cavity 11 is internally provided with a partition plate 12, a flow channel 13 is formed between the partition plate 12 and the cavity 11, the flow channel 13 is internally provided with flow ridges 14, the flow ridges 14 and the partition plate 12 form a first serpentine flow channel 15 and a second serpentine flow channel 16 in the cavity 11, one end of the first serpentine flow channel 15 and one end of the second serpentine flow channel 16 are connected with the air inlet hole 5 or the hydrogen inlet hole 7, the other end of the first serpentine flow channel 15 and the other end of the second serpentine flow channel 16 are connected with the air outlet hole 6 or the hydrogen outlet hole 8, the two flow ridges 14 are integrally formed with the first clamping plate 1 and the second clamping plate 2 respectively, and the flow ridges 14 are distributed in a serpentine shape; the air and hydrogen entering from the air inlet hole can be divided into two sections of air paths by the flow ridge 14, the air and hydrogen circulate through the first serpentine flow channel 15 and the second serpentine flow channel 16, compared with the traditional single serpentine flow channel, more balanced gas supply can be realized through the double-serpentine flow channel, in the working process of the fuel cell, the supply of the hydrogen and the air needs to be uniformly distributed on the whole electrode surface so as to ensure the uniformity and stability of the reaction, the double-serpentine flow channel design can ensure that the gas is more uniformly distributed on the electrode surface, the uneven air supply problem is avoided, the double-serpentine flow channel and the air flow channel can reduce pressure drop loss, in the fuel cell, the gas can generate a certain pressure drop when flowing in the flow channel, the double-serpentine flow channel design can reduce the bending degree of the gas flow path, reduce the friction resistance and the pressure drop loss when the gas flows, and improve the efficiency of the system.
As shown in fig. 3 and 4, further, four corners of the first clamping plate 1 are provided with positioning rods 17, the positioning rods 17 penetrate through holes 19 on the battery piece 10 to be connected with the second clamping plate 2, four positioning rods 17 are provided, four corners of the second clamping plate 2 are provided with positioning holes 18, and the positioning holes 18 are matched with the positioning rods 17; through being provided with locating lever 17 and being provided with locating hole 18 on second splint 2 on first splint 1 for locating lever 17 can insert locating hole 18 in, avoid taking place the dislocation between first splint 1 and the second splint 2, through the through-hole 19 and locating lever 17 looks adaptation on the battery piece 10, be convenient for can carry out the location installation to the battery piece.
As shown in fig. 2, 3 and 4, further, the flow ridge 14 is on the same horizontal plane as the partition plate 12, the silver mesh 3 and the nickel mesh 4 are attached to the flow ridge 14, the silver mesh 3 is on the same horizontal plane as the first clamping plate 1, and the nickel mesh 4 is on the same horizontal plane as the second clamping plate 2.
Working principle: the staff holds the battery piece 10 between the first clamping plate 1 and the second clamping plate 2, then reacts through introducing hydrogen and air, passes through the inlet port or the outlet port on the first clamping plate 1 and the second clamping plate 2 with detecting the wire and lets in, contacts with the inside silver screen 3 and the nickel screen 4 of anchor clamps, through embedding silver screen 3 and nickel screen 4 into the inside of first clamping plate 1 and the second clamping plate 2, silver screen 3 and nickel screen 4 play the role of electric current collector, and they can collect the electric current effectively and pass out through the wire that contacts with it, realize evaluation and analysis to fuel cell performance, rethread first clamping plate 1 and second clamping plate 2 hold battery piece 10 in the centre after, through filling ceramic glue to the sealed chamber 9 of first clamping plate 1 and second clamping plate 2.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (10)
1. The fuel cell test fixture is characterized by comprising a first clamping plate (1) and a second clamping plate (2), wherein a silver net (3) is embedded in the inner side of the first clamping plate (1), the silver net (3) is used for collecting current on the cathode side, a nickel net (4) is embedded in the second clamping plate (2), the nickel net (4) is used for collecting current on the anode side, and the first clamping plate (1) and the second clamping plate (2) are used for clamping a test cell (10);
an air inlet hole (5) and an air outlet hole (6) are formed in the first clamping plate (1), and the air inlet hole (5) and the air outlet hole (6) are used for leading in and out hydrogen and leading in wires;
a hydrogen inlet hole (7) and a hydrogen outlet hole (8) are formed in the second clamping plate (2), and the hydrogen inlet hole (7) and the hydrogen outlet hole (8) are used for air to enter and exit and are used for air to enter the conducting wire;
and sealing cavities (9) are formed in the first clamping plate (1) and the second clamping plate (2).
2. A fuel cell testing fixture according to claim 1, wherein: the novel plastic composite material is characterized in that the first clamping plate (1) and the second clamping plate (2) are internally provided with cavities (11), the cavities (11) are internally provided with separation plates (12), flow channels (13) are formed between the separation plates (12) and the cavities (11), flow ridges (14) are arranged in the flow channels (13), and the flow ridges (14) and the separation plates (12) form a first snake-shaped flow channel (15) and a second snake-shaped flow channel (16) in the cavities (11).
3. A fuel cell testing fixture according to claim 2, wherein: one end of the first serpentine flow passage (15) and one end of the second serpentine flow passage (16) are connected with the air inlet hole (5) or the hydrogen inlet hole (7), and the other end of the first serpentine flow passage (15) and the other end of the second serpentine flow passage (16) are connected with the air outlet hole (6) or the hydrogen outlet hole (8).
4. A fuel cell testing fixture according to claim 1, wherein: the four corners of the first clamping plate (1) are provided with positioning rods (17), the positioning rods (17) penetrate through holes (19) in the battery piece (10) to be connected with the second clamping plate (2), and the four positioning rods (17) are arranged.
5. A fuel cell testing fixture according to claim 1, wherein: positioning holes (18) are formed in four corners of the second clamping plate (2), and the positioning holes (18) are matched with the positioning rods (17).
6. A fuel cell testing fixture according to claim 2, wherein: the two flow ridges (14) are arranged, the two flow ridges (14) are respectively integrated with the first clamping plate (1) and the second clamping plate (2), and the flow ridges (14) are distributed in a serpentine shape.
7. A fuel cell testing fixture according to claim 2, wherein: the flow ridge (14) is on the same level as the divider plate (12).
8. A fuel cell testing fixture according to claim 1, wherein: the silver net (3) and the nickel net (4) are attached to the flow ridge (14).
9. A fuel cell testing fixture according to claim 1, wherein: the silver mesh (3) and the first clamping plate (1) are on the same horizontal plane, and the nickel mesh (4) and the second clamping plate (2) are on the same horizontal plane.
10. A fuel cell testing fixture according to claim 1, wherein: ceramic glue is filled in the sealing cavity (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322053340.8U CN220508985U (en) | 2023-08-01 | 2023-08-01 | Fuel cell test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322053340.8U CN220508985U (en) | 2023-08-01 | 2023-08-01 | Fuel cell test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220508985U true CN220508985U (en) | 2024-02-20 |
Family
ID=89882309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322053340.8U Active CN220508985U (en) | 2023-08-01 | 2023-08-01 | Fuel cell test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220508985U (en) |
-
2023
- 2023-08-01 CN CN202322053340.8U patent/CN220508985U/en active Active
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| GR01 | Patent grant | ||
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