CN100557872C - 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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- CN100557872C CN100557872C CNB2007100123124A CN200710012312A CN100557872C CN 100557872 C CN100557872 C CN 100557872C CN B2007100123124 A CNB2007100123124 A CN B2007100123124A CN 200710012312 A CN200710012312 A CN 200710012312A CN 100557872 C CN100557872 C CN 100557872C
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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 invention discloses a kind of double polar plate flow field liquid visual apparatus and method, device comprises flow field, transparent cover plate, base plate and the fluid supply apparatus on bipolar plates, video camera and the pole plate; The entrance end position of bipolar plates is provided with the fluid passage on the described base plate, and fluid supply apparatus comprises gas supply device and liquid supplying apparatus; Installing mixing arrangement triple valve is mixed into fluid feeding bipolar plate flow field entrance point with gas and liquid on conveyance conduit, during use bipolar plates is clipped in the middle of transparent cover plate and the base plate it is fastening by fastening bolt, fluid supply apparatus injects fluid in the flow field on bipolar plates, and record is carried out with video camera in the back.This device solves in the method for testing fluid select for use and the observational technique problem, the fluid and the method that are adopted are simple, practical, can observe required result more accurately, more apace, are suitable for extensively promoting on pole plate detects.
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 cellexperiments 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 staining 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 pole plate; It is characterized in that also comprising transparent cover plate, base plate and fluid supply apparatus; The entrance end position of bipolar plates is provided with the fluid passage on the described base plate, and fluid supply apparatus comprises gas supply device and liquid supplying apparatus; Installing mixing arrangement triple valve is mixed into fluid feeding bipolar plate flow field entrance point with gas and liquid on conveyance conduit, described liquid supplying apparatus is provided with heater, the instrument and the control instrument of test are housed on described fluid supply apparatus, and also are provided with measuring instrument at its port of export; During use bipolar plates is clipped in the middle of transparent cover plate and the base plate by fastening bolt that it is fasteningly, fluid supply apparatus injects fluid in the flow field on bipolar plates, and record is carried out with video camera in the back.
Described transparent cover plate is the clear glass brick.Described gas supply device is the Compressed Gas storage facilities.Described gas supply device is made of gas compressor.Described bipolar plates is single-unit bipolar plates or stack bipolar plates.Described instrument comprises the control valve of controlling liquid and gas, and described instrument is thermometric instrument, flow instrument and manometer.
A kind of method of using above-mentioned double polar plate flow field liquid visual apparatus is characterized in that comprising the steps:
A, be clipped in the middle of transparent cover plate and the base plate bipolar plates it is fastening with fastening bolt;
B, the fluid inlet end position of bipolar plates connects the triple valve of scalable flow on base plate, a passage of triple valve is connected on the gas supply device, another passage is connected on liquid supplying apparatus, elder generation's closing liquid passage feeds the gas of design temperature, pressure and flow, regulate the pressure and the flow of liquid again, make the pressure of liquid be a bit larger tham gas flow, and observing bubble evenly dispersion in liquid on the flow field;
C, open high speed high-resolution video camera, 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 pile; Also comprise the pressure and the flow that change gas or liquid, the step of testing observation then respectively; Described gas is air or nitrogen, and liquid is water or the water that adds pigment.
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 schematic diagram of the present invention.
Among the figure: 1, transparent cover plate, 2, base plate, 3, bipolar plates, 4, the flow field, 5, fastening bolt, 6, video camera, 7, outlet, 8, fluid supply apparatus, 81, triple valve, 82, gas supply device, 83, liquid supplying apparatus, 84, heater.
Embodiment
As shown in Figure 1 bipolar plates 3 is clipped in transparent cover plate 1 just clear glass brick and base plate 2 centres, fixing with fastening bolt 5, its bed knife is controlled with torque spanner, here gas supply device 82 usefulness compressed nitrogen storage facilities pass through pressure-reducing valve, needle-valve, flowmeter, pressure gauge enters triple valve 81 (also the available air compressor injects air in the triple valve), triple valve 81 by adjustable flow enters bipolar plates 3 imports arrival flow field 4, water is then squeezed in the pipeline by pump, access flow meter on the pipeline, pressure gauge is measured the flow pressure of water, have heater 84 on the liquid supplying apparatus 83, can regulate temperature and enter triple valve, water and nitrogen form two-phase flow, and the pipeline that two-phase fluid leads to bipolar plates 3 is provided with pressure gauge and thermometer and is used for gaging pressure and temperature; And in the port of export 7 measurement flow and temperature, high speed high-resolution video camera is above bipolar plates.During measurement for example the bipolar plates effective area be 300cm
2, the bipolar plate flow field channel volume is 7ml, and the control nitrogen pressure is 0.03MPa, and flow is 0.4m
3/ h, liquid supplying apparatus 83 temperature are 60 ℃, adjust triple valve discharge, till observing the fluid that enters bipolar plates 3 and being the fluid that is evenly distributed of bubble, open video camera 6, fluid distribution situation when writing down this placement location is adjusted gas, discharge respectively by a small margin, the fluid distribution changing condition during with this placement location of video camera recording occurring continuously; Also can adjust the visualization device placement location, as stand up or keep flat, the same method is observed stable state and dynamic fluid 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 pole plate; It is characterized in that also comprising transparent cover plate (1), base plate (2) and fluid supply apparatus (8); The entrance end position that described base plate (2) is gone up bipolar plates (3) is provided with the fluid passage, and fluid supply apparatus (8) comprises gas supply device (82) and liquid supplying apparatus (83); Installing mixing arrangement triple valve (81) is mixed into fluid feeding bipolar plates (3) flow field entrance point with gas and liquid on conveyance conduit, described liquid supplying apparatus (83) is provided with heater (84), the instrument and the control instrument of test are housed on described fluid supply apparatus, and also are provided with measuring instrument at its port of export; During use bipolar plates (3) is clipped in the middle of transparent cover plate (1) and the base plate (2) it is fasteningly, injects fluid in the flow field (4) of fluid supply apparatus (8) on bipolar plates the in, then carry out record with video camera (6) by fastening bolt (5).
2, 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.
3, double polar plate flow field liquid visual apparatus according to claim 1 is characterized in that described gas supply device (82) is the Compressed Gas storage facilities.
4, double polar plate flow field liquid visual apparatus according to claim 1 is characterized in that described gas supply device (82) is made of gas compressor.
5, 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.
6, double polar plate flow field liquid visual apparatus according to claim 1 is characterized in that described instrument comprises the control valve of controlling liquid and gas, and described instrument is thermometric instrument, flow instrument and manometer.
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, be clipped in the middle of transparent cover plate (1) and the base plate (2) bipolar plates (3) it is fastening with fastening bolt (5);
B, connect the triple valve (81) of scalable flow in the fluid inlet end position that base plate (2) is gone up bipolar plates (3), a passage of triple valve (81) is connected on the gas supply device (82), another passage is connected on liquid supplying apparatus (83), elder generation's closing liquid passage feeds the gas of design temperature, pressure and flow, regulate the pressure and the flow of liquid again, make the pressure of liquid be a bit larger tham gas flow, and on flow field (4), observe bubble and in liquid, evenly disperse;
C, open high speed high-resolution video camera, 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 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 pressure and the flow that changes gas or liquid, the step of testing 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 air or nitrogen, and liquid is water or the water that adds pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100123124A CN100557872C (en) | 2007-07-27 | 2007-07-27 | Double polar plate flow field liquid visual apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100123124A CN100557872C (en) | 2007-07-27 | 2007-07-27 | Double polar plate flow field liquid visual apparatus and method |
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| Publication Number | Publication Date |
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| CN101118970A CN101118970A (en) | 2008-02-06 |
| CN100557872C true CN100557872C (en) | 2009-11-04 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054997B (en) * | 2010-11-25 | 2012-10-03 | 新源动力股份有限公司 | Device and method for testing single-channel fluid of bipolar plate flow field for fuel cell |
| CN102889974B (en) * | 2012-09-27 | 2015-10-14 | 上海交通大学 | The proving installation of joint-cutting gas flowfield structure in laser cutting process |
| CN104833925A (en) * | 2015-05-07 | 2015-08-12 | 昆山弗尔赛能源有限公司 | Fuel cell bipolar plate detection method and system based on machine vision |
| CN106887611A (en) * | 2015-12-12 | 2017-06-23 | 中国科学院大连化学物理研究所 | The visualization device and method of a kind of fuel battery double plates flowfield fluid distribution |
| CN106500292A (en) * | 2016-12-26 | 2017-03-15 | 广东美的制冷设备有限公司 | Air-conditioning duct device and air-conditioner |
| CN108613749B (en) * | 2018-04-24 | 2019-09-06 | 中国核动力研究设计院 | A kind of visualization device tilting cambered surface flow-passage-changeable |
| CN109115273B (en) * | 2018-09-25 | 2023-12-05 | 哈尔滨工程大学 | Visual flow field and temperature field coupling measurement experiment system |
| CN110400943A (en) * | 2019-08-12 | 2019-11-01 | 清华大学 | Visualize fuel-cell device |
| CN112504327B (en) * | 2020-11-23 | 2022-05-17 | 中国电子科技集团公司第十八研究所 | Device for observing flow locus of electrolyte |
| CN113075549B (en) * | 2021-03-18 | 2022-03-18 | 一汽解放汽车有限公司 | Visual measuring device and method thereof |
| CN113451605B (en) * | 2021-06-07 | 2022-12-13 | 天津大学 | Fuel cell offline visual split mounting type device |
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