CN209513176U - Fuel cell bipolar plate tightness detecting tool - Google Patents
Fuel cell bipolar plate tightness detecting tool Download PDFInfo
- Publication number
- CN209513176U CN209513176U CN201920064004.4U CN201920064004U CN209513176U CN 209513176 U CN209513176 U CN 209513176U CN 201920064004 U CN201920064004 U CN 201920064004U CN 209513176 U CN209513176 U CN 209513176U
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- Prior art keywords
- frame plate
- upper mold
- chute
- hydrogen
- water flow
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- 239000000446 fuel Substances 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000001257 hydrogen Substances 0.000 claims description 31
- 229910052739 hydrogen Inorganic materials 0.000 claims description 31
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 30
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 24
- 239000001301 oxygen Substances 0.000 claims description 24
- 229910052760 oxygen Inorganic materials 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 11
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Fuel Cell (AREA)
Abstract
The utility model discloses a kind of fuel cell bipolar plate tightness detecting tool, the tooling includes upper frame plate, lower frame plate, cylinder, mounting rack, fixing mould and air pressurization device, the upper frame plate is fixedly connected with lower frame plate by several support rods, the fixing mould is for fixing bipolar plates to be detected, cylinder is installed on upper frame plate, transparent pipe is installed on the mounting rack, transparent pipe is interior filled with water, the bottom of transparent pipe is communicated with extension tube attached, and extension tube attached connection has the first testing tube；The air pressurization device is connected with the second testing tube and third testing tube.The utility model can detect a small amount of bipolar plates, it needs to jump the queue to influence operating normally for production line when avoiding needing to detect a small amount of bipolar plates in actual production and either individually opens the situation that large-scale instrument is detected, resources of production are greatly saved, the production cost of attenuating, improves production efficiency.
Description
Technical field
The utility model belongs to fuel cell pile production technical field, specifically, being related to a kind of fuel battery double plates
Air-tightness detection tool.
Background technique
Fuel cell has the advantages that energy conversion efficiency is high, it directly converts electric energy for the chemical energy of fuel, intermediate
Without combustion process, because without being limited by Carnot cycle, fuel-energy conversion efficiency of fuel cell system is 45%
~60%, and the efficiency of thermal power generation and nuclear power, about 30%~40%, the infield of fuel cell is flexible, fuel cell
Power station occupied area is small, and the construction period is short, and power station power can be assembled by battery pile as needed, very convenient, fuel cell without
By as concentrating power station or distributed power station, or the independent power station as cell, factory, heavy construction is all most suitable,
Load responding is fast, and running quality is high；Fuel cell can transform to rated power from lowest power within the several seconds, these are excellent
Point all directly makes fuel cell become present new and high technology.
The main component of fuel cell is bipolar plates and membrane electrode, in the actual production process of fuel cell pile,
In order to guarantee the safety of fuel cell, need to detect the air-tightness of bipolar plates, in the prior art to bipolar plates
When air-tightness is detected, in order to guarantee the needs of large-scale production, need to carry out using the precision instrument of high automation, and
When detecting to a small amount of bipolar plates, mass energy can be wasted by opening this kind of machinery, and complicated for operation, in order to solve this
Problem, the utility model provide following technical scheme.
Utility model content
The purpose of this utility model is to provide a kind of fuel cell bipolar plate tightness detecting tools.
The utility model technical issues that need to address are as follows:
1, in the prior art when the air-tightness to bipolar plates detects, need precision instrument using high automation into
Row, but in actual production, the detecting instrument of height automation are primarily adapted for use in flow line production, to a small amount of bipolar plates into
When row detection, mass energy can be wasted by opening this kind of machinery, and complicated for operation.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of fuel cell bipolar plate tightness detecting tool, including upper frame plate, lower frame plate, cylinder, mounting rack, stent
Tool and air pressurization device, upper frame plate are fixedly connected with lower frame plate by several support rods, and upper frame plate is parallel with lower frame plate to be set
It sets, the fixing mould is for fixing bipolar plates to be detected；
Cylinder is installed, sliding is provided with Telescopic-cylinder bar, Telescopic-cylinder bar and lower frame plate in cylinder on the upper frame plate
Opposite one end by mounting flange connect briquetting, briquetting it is opposite with lower frame plate be fixedly installed with compensating squeeze head on one side；
The fixing mould includes upper mold and lower die, is respectively mounted on two relative sides of the upper mold convex there are two fixing
It rises, fixed lobe corresponds to the position of compensating squeeze head, and water flow grooves, oxygen chute and hydrogen chute, water flow are provided in the one side of the upper mold
Cooling water outlet and inlet, air ports and the hydrogen inlet and outlet that slot, oxygen chute and hydrogen chute respectively correspond bipolar plates to be measured are arranged,
The bottom of the water flow grooves, oxygen chute and hydrogen chute is provided with the gas port through upper mold, and three gas ports are provided with far from upper mold
One end of water flow grooves one side is connected separately with water flow interface, oxygen stream interface and hydrogen stream interface, and wherein water flow interface corresponds to water flow grooves,
Oxygen stream interface corresponds to oxygen chute, and hydrogen stream interface corresponds to hydrogen chute；
Transparent pipe is installed, transparent pipe is interior filled with water, and the bottom of transparent pipe is communicated with extension tube attached, external on the mounting rack
Pipe connection has the first testing tube；
The air pressurization device is connected with the second testing tube and third testing tube, on the second testing tube and third testing tube
It is mounted on pressure-regulating valve, pressure-regulating valve is mounted on mounting rack.
As the further scheme of the utility model, the compensating squeeze head includes pressure head core, and pressure head core is connected and fixed
Screw rod, corresponding on the position of installation compensating squeeze head on the briquetting to be provided with screw hole, standing screw passes through nut after passing through screw hole
Fixed position, the external of pressure head core wrap up elasticity layer, and elastic layer is made of polyester material, the bottom of the pressure head core with
The distance between elastic layer is 0.5-2cm.
As the further scheme of the utility model, the lower die is identical as the shape of upper mold, the corner of lower die and upper mold
Place offers limit hole, and limit hole runs through upper mold and lower die, and the limit hole site pair on the limit hole and lower die in upper mold
Answer, bipolar plates are being placed between upper mold and lower die it is fixed after, be inserted into limit hole by spacer pin, to upper mold and lower die
Position is fixed.
As the further scheme of the utility model, air-tightness detection device carries out air-leakage test to bipolar plates to be measured
Method are as follows:
Bipolar plates to be measured are placed in fixing mould and are fixed, wherein the air ports of bipolar plates to be measured correspond to oxygen
Chute, the cooling water outlet and inlet of bipolar plates correspond to water flow grooves, and the hydrogen of bipolar plates imports and exports corresponding hydrogen chute；
Fixing mould is placed on lower frame plate, briquetting moves down the pressure for applying 6000N to fixing mould, and second surveys
Test tube and third testing tube are separately connected hydrogen stream interface and oxygen stream interface, and the first testing tube connects water flow interface；
It passes sequentially through the second testing tube and third testing tube and is passed through high pressure gas to hydrogen stream interface and oxygen stream interface, be inflated to
200kpa, pressure maintaining 50s, if there is bubble in transparent pipe in this course, then it is assumed that the water cavity flow field pair of the bipolar plates to be measured
The position of hydrogen inlet and outlet or air ports is answered not carry out sealing.
The utility model has the beneficial effects that
It 1, can be right to the instrument that bipolar plate tightness is detected, the utility model compared in flow line production
A small amount of bipolar plates are detected, and need to jump the queue to shadow when avoiding needing to detect a small amount of bipolar plates in actual production
It rings operating normally for production line and either individually opens the situation that large-scale instrument is detected, production money is greatly saved
Source, the production cost of attenuating, improves production efficiency.
Detailed description of the invention
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of fixing mould；
Fig. 3 is the structural schematic diagram of upper mold；
Fig. 4 is the easy structure schematic diagram of bipolar plates to be measured；
Fig. 5 is the structural schematic diagram of compensating squeeze head.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
A kind of fuel cell bipolar plate tightness detecting tool, as shown in Figure 1 and Figure 2, including upper frame plate 1, lower frame plate 2, gas
Cylinder 5, mounting rack 4, fixing mould 7 and air pressurization device, upper frame plate 1 connect with lower frame plate 2 by the way that several support rods 3 are fixed
It connects, upper frame plate 1 is arranged in parallel with lower frame plate 2, and the fixing mould 7 is for fixing bipolar plates 8 to be detected；
Cylinder 5 is installed on the upper frame plate 1, sliding is provided with Telescopic-cylinder bar 51 in cylinder 5, Telescopic-cylinder bar 51 with
The opposite one end of lower frame plate 2 connects briquetting 52 by mounting flange, and briquetting 52 is opposite with lower frame plate 2 to be fixedly installed on one side
Compensating squeeze head 53；
As the further scheme of the utility model, as shown in figure 5, the compensating squeeze head 53 includes pressure head core 5302,
Pressure head core is connected and fixed screw rod 5301, corresponds on the position of installation compensating squeeze head on the briquetting 52 and is provided with screw hole, fixed
Screw rod 5301 passes through the fixed position of nut 5304 after passing through screw hole, due to bipolar plates self structure and detection device and mold
The influence of equal error can not carry out multiple air inlets of bipolar plates close when being compressed by briquetting 52 to fixing mould 7
Envelope, therefore the utility model, by wrapping up elasticity layer 5303 in the external of pressure head core 5302, elastic layer 5303 is by polyester material
Material is made, bottom, that is, pressure head core of the pressure head core 5302 between the one side and elastic layer 5303 of lower frame plate 2 away from
From for 0.5-2cm, since there is polyester material certain elasticity to connect first when fixing mould 7 is fixed by briquetting 52
It contacts that elastic layer on the compensating squeeze head 53 of fixing mould 7 can deformation occurs, the compensating squeeze head of fixing mould 7 is touched after enabling
It is enough that enough power is applied to fixing mould 7, guarantee that the bipolar plates in fixing mould 7 are fitted closely with fixing mould 7, guarantees detection
As a result accuracy；
As shown in Figure 2 and Figure 3, the fixing mould 7 includes upper mold 71 and lower die 72, two opposite sides of the upper mold 71
The position of fixed lobe 73 there are two being respectively mounted on side, the corresponding compensating squeeze head of fixed lobe 73 is configured, such as Fig. 2, Fig. 3 institute
Show, water flow grooves 78, oxygen chute 710 and hydrogen chute 79, water flow grooves 78, oxygen chute 710 and hydrogen are provided in the one side of the upper mold 71
Cooling water outlet and inlet, air ports and the hydrogen inlet and outlet that chute 79 respectively corresponds bipolar plates are arranged, the water flow grooves 78, oxygen
The bottom of chute 710 and hydrogen chute 79 is provided with the gas port through upper mold 71, and three gas ports are provided with water flow far from upper mold 71
One end of 78 one side of slot is connected separately with water flow interface 77, oxygen stream interface 76 and hydrogen stream interface 75, and wherein water flow interface 77 is corresponding
Water flow grooves 78, the corresponding oxygen chute 710 of oxygen stream interface 76, the corresponding hydrogen chute 79 of hydrogen stream interface 75；
The lower die 72 is identical as the shape of upper mold 71, and the edge of lower die 72 and upper mold 71 offers limit hole 74,
Limit hole 74 is through upper mold 71 and lower die 72, and the limit hole in upper mold 71 is corresponding with 74 position of limit hole in lower die 72,
Bipolar plates are placed on after being fixed between upper mold 71 and lower die 72, are inserted into limit hole 74 by spacer pin, to upper mold 71 under
The position of mould 72 is fixed, and prevents in 52 pressure process of briquetting, the position between upper mold 71 and lower die 72 is slided.
Transparent pipe 6 is installed, transparent pipe 6 is interior filled with water, and the bottom of transparent pipe 6 is communicated with extension tube attached on the mounting rack 4
61, the connection of extension tube attached 61 has the first testing tube, and the control switch of cylinder 5 is also equipped on mounting rack 4；
The air pressurization device is connected with the second testing tube and third testing tube, in order to survey to the second testing tube and third
Examination intraductal atmospheric pressure is monitored control, and pressure-regulating valve is mounted on the second testing tube and third testing tube, and pressure is adjusted
Valve is mounted on mounting rack 4；
The method that air-leakage test is carried out to bipolar plates to be measured 8 as shown in Figure 4 by the utility model are as follows:
Bipolar plates 8 to be measured are placed in fixing mould 7 and are fixed, wherein the air ports 82 of bipolar plates are corresponding
Oxygen chute 710, the corresponding water flow grooves 78 of the cooling water outlet and inlet 83 of bipolar plates, the corresponding hydrogen chute of hydrogen inlet and outlet 81 of bipolar plates
79；
Fixing mould 7 is placed in lower die 72, briquetting 52 moves down the pressure for applying 6000N to fixing mould 7,
Second testing tube and third testing tube are separately connected hydrogen stream interface 75 and oxygen stream interface 76, and the first testing tube connects water flow interface
77；
It passes sequentially through the second testing tube and third testing tube and is passed through high pressure gas to hydrogen stream interface 75 and oxygen stream interface 76, fill
Gas is to 200kpa, pressure maintaining 50s, if there is bubble in transparent pipe 6 in this course, then it is assumed that the water cavity of the bipolar plates 8 to be measured
Flow field corresponds to hydrogen inlet and outlet or sealing is not carried out in the position of air ports.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from reality
With novel structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (3)
1. a kind of fuel cell bipolar plate tightness detecting tool, which is characterized in that including upper frame plate (1), lower frame plate (2), gas
Cylinder (5), mounting rack (4), fixing mould (7) and air pressurization device, upper frame plate (1) and lower frame plate (2) pass through several supports
Bar (3) is fixedly connected, and upper frame plate (1) is arranged in parallel with lower frame plate (2), and the fixing mould (7) is to be detected bipolar for fixing
Plate (8)；
It is equipped with cylinder (5) on the upper frame plate (1), sliding is provided with Telescopic-cylinder bar (51), Telescopic-cylinder bar in cylinder (5)
(51) one end opposite with lower frame plate (2) is connect briquetting (52) by mounting flange, briquetting (52) and lower frame plate (2) it is opposite one
Face is fixedly installed with compensating squeeze head (53)；
The fixing mould (7) includes upper mold (71) and lower die (72), is respectively mounted on two relative sides of the upper mold (71)
There are two fixed lobe (73), fixed lobe (73) corresponds to the position of compensating squeeze head (53), opens in the one side of the upper mold (71)
There are water flow grooves (78), oxygen chute (710) and hydrogen chute (79), water flow grooves (78), oxygen chute (710) and hydrogen chute (79) are right respectively
Answer cooling water outlet and inlet (83), air ports (82) and hydrogen inlet and outlet (81) setting of bipolar plates to be measured (8), the water flow
The bottom of slot (78), oxygen chute (710) and hydrogen chute (79) is provided with the gas port through upper mold (71), and three gas ports are separate
One end that upper mold (71) is provided with water flow grooves (78) one side is connected separately with water flow interface (77), oxygen stream interface (76) and hydrogen stream interface
(75), wherein water flow interface (77) is corresponding water flow grooves (78), and oxygen stream interface (76) is corresponding oxygen chute (710), hydrogen stream interface (75)
Corresponding hydrogen chute (79)；
It is equipped with transparent pipe (6) on the mounting rack (4), filled with water in transparent pipe (6), the bottom of transparent pipe (6) is communicated with outer
It takes over (61), extension tube attached (61) connection has the first testing tube；
The air pressurization device is connected with the second testing tube and third testing tube, pacifies on the second testing tube and third testing tube
Equipped with pressure-regulating valve, pressure-regulating valve is mounted on mounting rack (4).
2. a kind of fuel cell bipolar plate tightness detecting tool according to claim 1, which is characterized in that the elasticity
Pressure head (53) includes pressure head core (5302), and pressure head core (5302) is connected and fixed screw rod (5301), on the briquetting (52)
It installs to correspond on the position of compensating squeeze head and is provided with screw hole, standing screw (5301) passes through nut (5304) fixed bit after passing through screw hole
It sets, the external of pressure head core (5302) wraps up elasticity layer (5303), and elastic layer (5303) is made of polyester material, the pressure head
The distance between bottom and elastic layer (5303) of core (5302) are 0.5-2cm.
3. a kind of fuel cell bipolar plate tightness detecting tool according to claim 1, which is characterized in that the lower die
(72) identical as the shape of upper mold (71), the edge of lower die (72) and upper mold (71) offers limit hole (74), limit hole
(74) run through upper mold (71) and lower die (72), and the limit hole in upper mold (71) and limit hole (74) position pair on lower die (72)
It answers, bipolar plates is being placed between upper mold (71) and lower die (72) after fixation, is being inserted into limit hole (74) by spacer pin, it is right
Upper mold (71) and the position of lower die (72) are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920064004.4U CN209513176U (en) | 2019-01-15 | 2019-01-15 | Fuel cell bipolar plate tightness detecting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920064004.4U CN209513176U (en) | 2019-01-15 | 2019-01-15 | Fuel cell bipolar plate tightness detecting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209513176U true CN209513176U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920064004.4U Active CN209513176U (en) | 2019-01-15 | 2019-01-15 | Fuel cell bipolar plate tightness detecting tool |
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| Country | Link |
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| CN (1) | CN209513176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612650A (en) * | 2019-01-15 | 2019-04-12 | 安徽明天氢能科技股份有限公司 | Fuel cell bipolar plate tightness detecting tool |
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2019
- 2019-01-15 CN CN201920064004.4U patent/CN209513176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612650A (en) * | 2019-01-15 | 2019-04-12 | 安徽明天氢能科技股份有限公司 | Fuel cell bipolar plate tightness detecting tool |
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