CN100587440C - Double polar plate flow field liquid visual apparatus and method - Google Patents
Double polar plate flow field liquid visual apparatus and method Download PDFInfo
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- CN100587440C CN100587440C CN200710157423A CN200710157423A CN100587440C CN 100587440 C CN100587440 C CN 100587440C CN 200710157423 A CN200710157423 A CN 200710157423A CN 200710157423 A CN200710157423 A CN 200710157423A CN 100587440 C CN100587440 C CN 100587440C
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- flow field
- bipolar plates
- visual apparatus
- plate
- double polar
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- 239000007788 liquid Substances 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 17
- 230000000007 visual effect Effects 0.000 title claims description 17
- 238000012360 testing method Methods 0.000 claims abstract description 37
- 239000012530 fluid Substances 0.000 claims abstract description 29
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 13
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical group C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 claims description 10
- 229910021529 ammonia Inorganic materials 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 21
- 239000000446 fuel Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007850 fluorescent dye Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The apparatus comprises a bipolar plate, a video camera, a flow field located on the bipolar plate, a transparent cover board, a base-plate, a gas supplying unit, and a color revealing test paper. There is a gas channel located at inlet and outlet of the fluid of the bipolar plate; there are multi kinds of measuring meters mounted on the gas supplying unit; on the outlet of the base-plate, the measuring meter is also located. The measured flow field of the bipolar plate is faced up and is secured between the transparent cover board and the base plate; making a blank test in order to confirm the pressure and traffic of the supplied gas; covering a wet color revealing test paper on the measured flow field of the bipolar plate; opening the video camera to record the state of fluid motion anddistribution in the flow field.
Description
Technical field
The present invention relates to a kind of device that detects flow field fluid motion rule, relate in particular to a kind of double polar plate flow field liquid visual apparatus and method.
Background technology
Fuel battery double plates is divided into minus plate, positive plate, the cooling chamber flow-field plate.The passage that meets fuel cell conveying, emission of substance requirement is all arranged on minus plate, the positive plate, also cry the flow field, the flow field is made up of flow field ditch and flow field ridge, and flow field patterns can be according to the design of fluid motion rule, and there is material impact in the flow field of design to fuel battery performance.
Fluid visual at document F.Barreras*, A.Lozano, L.Vali ~ no, C.Mar ' in, A.Pascau:Flow distribution in a bipolar plate of a proton exchange membrane fuel cell:experiments and numerical simulation studies, have a detailed description among Journal of Power Sources 144 (2005) 54-66, the method that adopts in the document, fluid is solvent and a solvable fluorescent dye agent composition of determining viscosity, has the liquid close when determining viscosity is meant that liquid determines in pipeline flow velocity with the hydrogen kinematic viscosity, solvent fluid is that glycerine and water are prepared by a certain percentage in the document, the soluble fluorescent coloring agent can be dissolved in solvent fluid, adopt the method for injection to introduce the solvent fluid passage, carry out record with fluorescent tracing laser camera fluid motion state then.Also exist other similar methods to observe.The common shortcoming of these methods is that see-through look is equipped with very high requirement, because used organic solvent, so can not use rubber-plastics material, particularly the bipolar plates sealing material there is swelling action, in addition, dissolving mixing uniformity, the speed of fluorescent dye can't be held and characterize, and the fluorescent tracing noise is big in addition, the accuracy that influence is observed.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, develop the double polar plate flow field liquid visual apparatus and the method for the state that a kind of convenience is observed, the record fluid moves in the flow field.Technology of the present invention realizes that means are as follows:
A kind of double polar plate flow field liquid visual apparatus comprises the flow field on bipolar plates, video camera and the bipolar plates; It is characterized in that also comprising transparent cover plate, base plate, gas supply device and colour developing test paper; The fluid inlet and outlet position of bipolar plates is provided with gas passage on the described base plate; Various fluid meters are housed on described gas supply device, and also are provided with measurement instrument at the endpiece of base plate; During use bipolar plates tested the moistening colour developing test paper of covering on the face of flow field, it is middle fastening with it by fastening bolt to be clipped in transparent cover plate and base plate then, after gas supply device is regulated by regulating device, gas is injected in the flow field on the bipolar plates, by carrying out record with video camera.Described colour developing test paper is acid or alkaline according to the gas in the injection flow field, and selects acidity or alkaline test paper accordingly for use; Described transparent cover plate is the clear glass brick.
Described regulating device comprises reduction valve, pressure maintaining valve and variable valve.
Described various fluid meters comprises thermometric instrument, flow instrument and manometer.
Described bipolar plates is single-unit bipolar plates or stack bipolar plates.
A kind of method of applying double pole plate current field flow fluid visualization apparatus is characterized in that comprising the steps:
A, bipolar plates is tested the flow field face up, be clipped in the middle of transparent cover plate and the base plate it is fastening with fastening bolt;
B, on the fluid inlet termination of bipolar plates on the base plate gas supply device, carry out blank test in advance by adjusting regulating device, determine supply gas pressure and flow;
C, bipolar plates is tested the moistening colour developing test paper of covering on the face of flow field, be clipped in the middle of transparent cover plate and the base plate it is fastening with fastening bolt;
D, open video camera (6), take out the situation that fluid moves and distributes in the flow field.
Also comprise the common mode of placing, change the step that the modes of emplacement of this device is tested observation respectively according to battery pile.
Also comprise the pressure, the flow that change gas, test the step of observation then respectively; Described gas is ammonia or carbon dioxide, and the test paper that develops the color accordingly is phenolphthalein test paper or litmus paper.
The present invention has mainly solved in the method for testing fluid and has selected for use and the observational technique problem, and the fluid and the method that are adopted are simple, practical, can observe required result more accurately, more apace, is suitable for the bipolar plate design checking.Because it is simple in structure, not only be convenient to produce, and cost is very cheap is suitable for extensive popularization.
Description of drawings
Fig. 1 is an apparatus structure synoptic diagram of the present invention.
Among the figure: 1, transparent cover plate, 2, base plate, 3, bipolar plates, 4, the flow field, paper 5, fastening bolt, 6, video camera, 7, outlet, 8, gas supply device, 9, regulating device, 10, the colour developing test paper.
Embodiment
This double polar plate flow field liquid visual apparatus comprises flow field 4 transparent cover plates 1, base plate 2, gas supply device 8 and colour developing test paper 10 on bipolar plates 3, video camera 6 and the bipolar plates as shown in Figure 1; The fluid inlet and outlet position of bipolar plates 3 is provided with gas passage on the base plate 2; Various fluid meters are housed on gas supply device 8, are provided with regulating device 9 in gas supply device 8 outlets and carry out the control of gas flow, and also be provided with measurement instrument at the endpiece of base plate 2; Wherein transparent cover plate 1 is the clear glass brick, regulating device 9 comprises reduction valve, pressure maintaining valve and variable valve, various measurement instruments comprise thermometric instrument, flow instrument, manometer, colour developing test paper 10 is according to the acidity of injecting the gas in the flow field 4 or alkaline, and select acidity or alkaline test paper accordingly for use, here gas is selected ammonia for use, and colour developing test paper 10 is selected phenolphthalein test paper for use.On the clear glass brick, be processed with bolt hole, with the base plate bolt, bipolar plates has the flow field and imports and exports passage, link to each other with the air intake duct in the road that processes on the base plate, also can be processed into transparent plexiglass plate to base plate, can observe bipolar plates opposite side flow field simultaneously, only observe an effluent field here; Wherein ammonia enters bipolar plates 3 by reduction valve, flow control valve, pressure gauge from the import on the base plate 2, exports 7 end measurable flow amounts.
For example selecting bipolar plates 3 useful area for use is 300cm
2, the bipolar plate flow field channel volume is that the pole plate of 7ml is tested.At first bipolar plates 3 test flow fields are faced up, be clipped in the middle of transparent cover plate 1 and the base plate 2 it is fastening with fastening bolts 5; Back gas supply device 8 on the fluid inlet termination of bipolar plates 3 on the base plate 2 by adjusting regulating device 9 (promptly regulating pressure maintaining valve and variable valve), with pressure and precalculated position, flow control road, carries out blank test in advance, determines supply gas pressure and flow; Here controlling ammonia pressure is that 0.03MPa, flow are 0.4m
3/ h, close variable valve then, device is taken apart, to from the ethanolic solution that is dissolved with phenolphthalein, take out with the filter paper of flow field width and equal in length, and spread out rapidly and be placed on the faces of bipolar plates 3 test flow field, use fastening bolt 5 that it is fastening in the middle of being clipped in transparent cover plate 1 and base plate 2, open video camera, open the ammonia variable valve then, phenolphthalein test paper is met ammonia and is reddened, and change color and ammonia concentration have relation, ammonia concentration is relevant with the flow field partition characteristic, by video camera high-speed camera record, will be the rapid record of the depth of test paper color change interval and variable color on the flow field, record data can be analyzed and draw flow field distribution and fluid motion characteristic.The common mode that place according to battery pile the back, the modes of emplacement that changes this device is tested observation respectively according to the step of front; Or according to pressure, the flow of gas, after test observation respectively, record fluid DYNAMIC DISTRIBUTION situation.
The above; only be the preferable embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (10)
1, a kind of double polar plate flow field liquid visual apparatus comprises the flow field (4) on bipolar plates (3), video camera (6) and the bipolar plates; It is characterized in that also comprising transparent cover plate (1), base plate (2), gas supply device (8) and colour developing test paper (10); The fluid inlet and outlet position that described base plate (2) is gone up bipolar plates (3) is provided with gas passage; On described gas supply device (8), various fluid meters are housed, and also are provided with measurement instrument at outlet (7) end of base plate (2); To cover moistening colour developing test paper (10) on the face of bipolar plates (3) test flow field (4) during use, it is middle fastening with it by fastening bolt (5) to be clipped in transparent cover plate (1) and base plate (2) then, after gas supply device (8) is regulated by regulating device (9), gas is injected in the flow field (4) on the bipolar plates (3), by carrying out record with video camera (6).
2, double polar plate flow field liquid visual apparatus according to claim 1 is characterized in that described colour developing test paper (10) according to the acidity of injecting the gas in the flow field (4) or alkaline, and selects acidity or alkaline test paper accordingly for use.
3, double polar plate flow field liquid visual apparatus according to claim 1 is characterized in that described transparent cover plate (1) is the clear glass brick.
4, double polar plate flow field liquid visual apparatus according to claim 1 is characterized in that described regulating device (9) comprises reduction valve, pressure maintaining valve and variable valve.
5, double polar plate flow field liquid visual apparatus according to claim 1 is characterized in that described various fluid meters comprises thermometric instrument, flow instrument and manometer.
6, double polar plate flow field liquid visual apparatus according to claim 1 is characterized in that described bipolar plates (3) is single-unit bipolar plates or stack bipolar plates.
7, a kind of method of using the described double polar plate flow field liquid visual apparatus of claim 1 is characterized in that comprising the steps:
A, bipolar plates (3) test flow field is faced up, be clipped in transparent cover plate (1) and base plate (2) in the middle of usefulness fastening bolt (5) it is fastening;
B, go up gas supply device (8) on the fluid inlet termination of bipolar plates (3) at base plate (2),, carry out blank test in advance, determine supply gas pressure and flow by adjusting regulating device (9);
C, will bipolar plates (3) cover moistening colour developing test paper (10) on the face of test flow field, be clipped in transparent cover plate (1) and base plate (2) in the middle of usefulness fastening bolt (5) it is fastening;
D, open video camera (6), take out the situation that fluid moves and distributes in the flow field.
8, the method for use double polar plate flow field liquid visual apparatus according to claim 7 is characterized in that also comprising the common mode of placing according to battery pile, changes the step that the modes of emplacement of this device is tested observation respectively.
9, the method for use double polar plate flow field liquid visual apparatus according to claim 7 is characterized in that also comprising the pressure, the flow that change gas, tests the step of observation then respectively.
10, the method for use double polar plate flow field liquid visual apparatus according to claim 7 is characterized in that described gas is ammonia or carbon dioxide, and the test paper (10) that develops the color accordingly is phenolphthalein test paper or litmus paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710157423A CN100587440C (en) | 2007-10-11 | 2007-10-11 | Double polar plate flow field liquid visual apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710157423A CN100587440C (en) | 2007-10-11 | 2007-10-11 | Double polar plate flow field liquid visual apparatus and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101135602A CN101135602A (en) | 2008-03-05 |
| CN100587440C true CN100587440C (en) | 2010-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200710157423A Expired - Fee Related CN100587440C (en) | 2007-10-11 | 2007-10-11 | Double polar plate flow field liquid visual apparatus and method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281683B (en) * | 2018-03-07 | 2024-06-18 | 北京氢璞创能科技有限公司 | Fuel cell device and simulation method for gas distribution of polar plate runner of fuel cell device |
| CN109163880B (en) * | 2018-09-18 | 2020-02-07 | 天津大学 | Method for simulating formation and air leakage process of carbon dioxide saturated solution |
| CN110927237B (en) * | 2018-09-20 | 2022-03-18 | 北京科技大学 | PEMFC metal bipolar plate service life testing device and method |
| CN113451605B (en) * | 2021-06-07 | 2022-12-13 | 天津大学 | Fuel cell offline visual split mounting type device |
| CN118408890B (en) * | 2024-06-27 | 2024-09-24 | 山东创宇能源科技股份有限公司 | Detection device for in-situ ammonia escape concentration |
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2007
- 2007-10-11 CN CN200710157423A patent/CN100587440C/en not_active Expired - Fee Related
Non-Patent Citations (6)
| Title |
|---|
| 微流量测量系统及其在微流体运动研究中的应用. 江小宁，周兆英，李勇，沈德麟.仪器仪表学报，第16卷第1期. 1995 |
| 微流量测量系统及其在微流体运动研究中的应用. 江小宁，周兆英，李勇，沈德麟.仪器仪表学报，第16卷第1期. 1995 * |
| 流场尺寸对质子交换膜燃料电池性能的影响. 张海峰，衣宝廉，侯明，张华民.电源技术，第28卷第8期. 2004 |
| 流场尺寸对质子交换膜燃料电池性能的影响. 张海峰，衣宝廉，侯明，张华民.电源技术，第28卷第8期. 2004 * |
| 质子交换膜燃料电池双极板和流场的研究. 张海峰.中国优秀博硕士学位论文全文数据库（硕士） 工程科技II辑，第8期. 2005 |
| 质子交换膜燃料电池双极板和流场的研究. 张海峰.中国优秀博硕士学位论文全文数据库(硕士)工程科技II辑，第8期. 2005 * |
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| CN101135602A (en) | 2008-03-05 |
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