CN103137991A - Temperature control system and temperature control method for proton exchange membrane fuel cells testing platform - Google Patents
Temperature control system and temperature control method for proton exchange membrane fuel cells testing platform Download PDFInfo
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- CN103137991A CN103137991A CN2013100459183A CN201310045918A CN103137991A CN 103137991 A CN103137991 A CN 103137991A CN 2013100459183 A CN2013100459183 A CN 2013100459183A CN 201310045918 A CN201310045918 A CN 201310045918A CN 103137991 A CN103137991 A CN 103137991A
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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 temperature control system and a temperature control method for a proton exchange membrane fuel cells testing platform. According to the temperature control system for the proton exchange membrane fuel cells testing platform, a liquid flow controller and a thermoelectric couple are arranged in an inside and outside circulation pipeline of the fuel cells testing platform, the heat exchange amount of a plate type heat exchanger which is arranged in the temperature control system, the temperature flow, detected when a fuel cell stack operates, of inner circulation water and the temperature, detected when the fuel cell stack operates, of outer circulation temperature are reported back to a temperature flow control instrument to control the flow of the liquid flow controller on the outer water circulation pipeline, and thus the dynamic state and the steady state of running temperature of the fuel cell electric stack are controlled.
Description
Technical field
The present invention relates to a kind of fuel battery test platform, relate in particular to a kind of temperature control system and control method thereof that proton exchanging film fuel battery test platform is used of testing.
Background technology
Current global energy is nervous, price of oil going up sky-high, and the searching new forms of energy are the task of top priority as the substitute of fossil fuel.Fuel cell be considered to after waterpower, firepower and nuclear electric power generation the 4th generation generation technology, it is directly changed into electric energy by electrocatalytic reaction with the chemical energy of Oxidizing and Reducing Agents, is a kind of efficient, safety, cleaning, new-generation technology flexibly.Proton Exchange Membrane Fuel Cells wherein because of it has that efficient is high, energy density is large, reaction temperature is low, noiselessness, the remarkable advantage such as pollution-free at the terrestrial power generation station, the aspect such as electric motor car and compact power is with a wide range of applications.Fuel battery inside mainly is comprised of proton exchange membrane, electro chemical catalyst, diffusion layer and bipolar plates.When operation of fuel cells, it is inner, and following course of reaction occurs: reacting gas spreads in diffusion layer, when reacting gas arrives Catalytic Layer, is adsorbed by catalyst in Catalytic Layer and electrocatalytic reaction occurs; The proton that anode reaction generates is by being delivered to cathode side in proton exchange membrane, electronics arrives negative electrode through external circuit, with oxygen molecule reaction bonded Cheng Shui, emits simultaneously heat.Electrode reaction is:
Anode (negative pole): H
2→ 2H
++ 2e
Negative electrode (positive pole): 1/2O
2+ 2H
++ 2e → H
2O
Cell reaction: H
2+ 1/2O
2→ H
2O
In a typical Proton Exchange Membrane Fuel Cells, membrane electrode is placed in the middle of the guide plate of two conductions, and two bafflers are respectively the baffler of anode fuel and the baffler of cathode oxidant.A fuel cell that forms like this is called monocell, in order to increase the gross power of whole Proton Exchange Membrane Fuel Cells, a plurality of monocells need to be connected into battery pack by straight folded mode, is again fuel cell pile.In fuel cell pile, can there be guiding gutter on the two sides of a pole plate, and wherein one side can be used as the anode guide face of a membrane electrode, and another side can be used as again the cathode diversion face of another adjacent membranes electrode, and this pole plate is called bipolar plates.Pile tightens together by front end-plate, end plate and pull bar.
When fuel cell piles up operation, require higher to chilling temperature, in running in case enter the control that the cooling water temperature of pile can not be stable, will cause the decay on Performance data and can't normally move, pile itself is caused great impact, need to be the Testing Platform temperature control system.
Chinese patent application number is that 200820232029.2 invention relates to a kind of Novel fuel battery cooling system, comprises fuel cell pack, water tank, cooling water pump, radiator, and the cooling water pump delivery port connects the high-end water inlet of radiator; Radiator low side delivery port connecting fuel battery heap; The high-end exhaust outlet of radiator connects ball valve and enters water tank.The utility model has the advantages that fuel battery cooling system can make system add water rapid, can improve radiating effect during operation, make the cooling water pump service behaviour more reliable.Shortcoming is that the response speed of controlling radiator can not control the temperature of cooling water slowly accurately, and temperature fluctuation is larger, unstable properties during the long-play fuel cell pack.
Chinese patent application number provides a kind of proton exchanging film fuel battery test platform temperature control system for 201020595016.9 invention, comprise fuel cell pack, the plate heat exchanger that is connected with fuel cell pack, cyclic water tank, circulating water pump, electromagnetically operated valve and temperature controller, electromagnetically operated valve is serially connected in the pipeline that is connected between the water inlet of outer circulation cooling water inlet pipe road and the outer circulation water end (W.E.) of plate heat exchanger, the automatically controlled part of electromagnetically operated valve is electrically connected to temperature controller, be provided with thermocouple in cyclic water tank, thermocouple is electrically connected to temperature controller with holding wire.The utility model has following beneficial effect compared with the prior art: adopt electromagnetically operated valve break-make mode to regulate the outer circulation cooling water flow, can effectively guarantee the temperature stability in fuel cell pile motion attitude row process, guaranteed the stable of pile output performance.Shortcoming is to control the discharge of outer circulation side by electromagnetically operated valve, just can regulate water temperature by the switch of controlling electromagnetically operated valve when cooling water temperature raises, and such type of cooling is unstable, can not control accurately cooling water temperature.
All there is defective in the humidification mode of above patent:
1. surpass when requiring to fuel cell stack operation at cooling water temperature, just can startup system carry out coolingly, the response speed of system is slow;
2. in the situation that fuel cell pack stable operation, the cooling water temperature fluctuation is large influential to the performance of fuel cell pack;
Summary of the invention
The objective of the invention is for overcoming the deficiencies in the prior art, a kind of liquid flow controller and thermocouple installed in the inner-outer circulation pipeline of fuel battery test platform proposed, the heat exchange amount of the plate heat exchanger that internal system is set and when detecting fuel cell stack operation in the temperature flow of recirculated water and the temperature feedback of outer circulation water control the flow of the liquid flow controller on the outer circulation water lines to the temperature flow controller, control control system and the control method of the temperature of interior recirculated water, thereby control the dynamic and steady operation temperature of fuel cell pile.
For achieving the above object, the present invention is achieved by the following technical programs:
proton exchanging film fuel battery test platform temperature control system of the present invention, comprise fuel cell pack, interior recirculated water part and outer circulation water section, described interior recirculated water partly comprises the plate heat exchanger that is connected with fuel cell pack, cyclic water tank and circulating water pump, the water inlet of fuel cell pack is connected with pipeline with the circulating water pump delivery port, the delivery port of fuel cell pack is connected with pipeline with the water inlet of the interior circulation water end (W.E.) of plate heat exchanger, the delivery port of the interior circulation water end (W.E.) of plate heat exchanger is connected with cyclic water tank with pipeline, described outer circulation water section comprises outer circulation cooling water inlet pipe road and cooling water outlet pipe road, outer circulation cooling water inlet pipe road is connected with the water inlet of the outer circulation water end (W.E.) of plate heat exchanger, outer circulation cooling water outlet pipe road is connected with the delivery port of the outer circulation water end (W.E.) of plate heat exchanger, in described, the outer circulation water section comprises two flow controllers, two thermocouples and a shared temperature flow controller, the flow controller of outer circulation cooling water part and thermocouple are serially connected in the pipeline that is connected between the water inlet of outer circulation cooling water inlet pipe road and the outer circulation water end (W.E.) of plate heat exchanger, the flow controller of interior circulating cooling water section and thermocouple are serially connected in water inlet and the circulating water pump delivery port of interior circulating fuel battery pile and use in pipeline, in described, the flow controller of outer circulation cooling water part and the automatically controlled part of thermocouple are electrically connected to the temperature flow controller, electronic load is electrically connected to the temperature flow controller.
the present invention also proposes a kind of control method of proton exchanging film fuel battery test platform temperature control system, it comprises the following steps: 1) in the fuel cell pile running, the temperature of setting cooling water in cyclic water tank is the fuel cell pile operating temperature, circulating water pump circulates cooling water between fuel cell pile, cyclic water tank and plate heat exchanger, the flow of liquid flow controller in circulation in setting, 2) thermocouple and liquid flow controller detect temperature and the flow of cooling water in cyclic water tank constantly, and with the power grade of the fuel cell pack that monitors, temperature and flow signal are transferred to the temperature flow controller, the temperature flow controller is made judgement according to set point to transmitting the signal that comes, and according to the heat exchange amount of plate heat exchanger, between circulating water pump and fuel cell pack and outer circulation cooling water detected temperatures and flow and design temperature difference passing ratio-integration-differential (proportional-integral-derivative PID) mode regulate liquid flow controller, regulate the flow of outer circulation water, 3) outer circulation water and interior recirculated water carry out heat exchange by plate heat exchanger, the temperature of cooling water in cyclic water tank in controlling.
The present invention has following beneficial effect compared with the prior art: 1, can control the flow that enters fuel cell pack recirculated water; 2, according between heat exchange amount, circulating water pump and the fuel cell pack of plate heat exchanger and outer circulation cooling water detected temperatures and flow and design temperature difference adopt PID to control in the outer circulation water lines liquid flow controller to regulate cooling water flow, can effectively guarantee the temperature stability in the fuel cell pile running, guarantee the stable of pile output performance.
Description of drawings
Fig. 1 is systematic schematic diagram of the present invention;
In accompanying drawing: 1, thermocouple, 2, liquid flow controller, 3, circulating water pump, 4, cyclic water tank, 5, fuel cell pile, 6, the temperature flow controller, 7, plate heat exchanger, 8, thermocouple, 9, liquid flow controller, 10, the cooling water inlet pipe road, 11, cooling water outlet pipe road, 12, cooling water intake, 13, cooling water outlet, 14, electronic load.
Embodiment
Below by the invention will be further described in conjunction with the accompanying drawings and embodiments:
systematic schematic diagram of the present invention as shown in Figure 1, comprise fuel cell pack 5, interior recirculated water part and outer circulation water section, described interior recirculated water partly comprises the plate heat exchanger 7 that is connected with fuel cell pack 5, cyclic water tank 4 and circulating water pump 3, the water inlet of fuel cell pack 5 is connected with pipeline with circulating water pump 3 delivery ports, the delivery port of fuel cell pack 5 is connected with pipeline with the water inlet of the interior circulation water end (W.E.) of plate heat exchanger 7, the delivery port of the interior circulation water end (W.E.) of plate heat exchanger 7 is connected with cyclic water tank 4 with pipeline, the outer circulation water section comprises outer circulation cooling water inlet pipe road 10 and cooling water outlet pipe road 11, outer circulation cooling water inlet pipe road 10 is connected with the water inlet of the outer circulation water end (W.E.) of plate heat exchanger 7, outer circulation cooling water outlet pipe road 11 is connected with the delivery port of the outer circulation water end (W.E.) of plate heat exchanger 7, interior recirculated water partly comprises liquid flow controller 2, thermocouple 1 and a temperature flow controller 6, the outer circulation water section comprises liquid flow controller 9, thermocouple 8 and a temperature flow controller 6, liquid flow controller 9 and thermocouple 8 are serially connected in the pipeline 11 that is connected between the water inlet of outer circulation cooling water inlet pipe road 10 and the outer circulation water end (W.E.) of plate heat exchanger 7, liquid flow controller 2 and thermocouple 1 are serially connected in the water inlet 12 of interior circulating fuel battery pile and use in pipeline with circulating water pump 3 delivery ports, the liquid flow controller 2 of inner-outer circulation cooling water part, 9 and thermocouple 1, 8 automatically controlled part is electrically connected to temperature flow controller 6, electronic load 14 is electrically connected to the temperature flow controller.
the control method of utilizing control system described above to realize, comprise the following steps: 1) in the fuel cell pile running, the temperature of setting cooling water in cyclic water tank is fuel cell pile 5 operating temperatures, circulating water pump 3 circulates cooling water between fuel cell pile 5, cyclic water tank 4 and plate heat exchanger 7, the flow of liquid flow controller 9 in circulation in setting, 2) thermocouple 8 and liquid flow controller 9 detect temperature and the flow of cyclic water tank 4 interior cooling waters constantly, and with the power grade of the fuel cell pack that monitors, temperature and flow signal are transferred to temperature flow controller 6, temperature flow controller 6 is made judgement according to set point to transmitting the signal that comes, and according to the heat exchange amount of plate heat exchanger 7, between circulating water pump 3 and fuel cell pack 5 and outer circulation cooling water detected temperatures and flow and design temperature difference passing ratio-integration-differential (proportional-integral-derivative PID) mode regulate liquid flow controller 9, regulate the flow of outer circulation water, 3) outer circulation water and interior recirculated water carry out heat exchange by plate heat exchanger 7, the temperature of cooling water in cyclic water tank in controlling.
But above-mentioned embodiment is exemplary, is to be this patent to be comprised the restriction of scope in order better to make those skilled in the art can understand this patent, can not to be interpreted as; So long as according to spirit that this patent discloses do anyly be equal to change or modify, all fall into the scope that this patent comprises.
Claims (2)
1. proton exchanging film fuel battery test platform temperature control system, comprise fuel cell pack, interior recirculated water part and outer circulation water section, described interior recirculated water partly comprises the plate heat exchanger that is connected with fuel cell pack, cyclic water tank and circulating water pump, the water inlet of fuel cell pack is connected with pipeline with the circulating water pump delivery port, the delivery port of fuel cell pack is connected with pipeline with the water inlet of the interior circulation water end (W.E.) of plate heat exchanger, the delivery port of the interior circulation water end (W.E.) of plate heat exchanger is connected with cyclic water tank with pipeline, described outer circulation water section comprises outer circulation cooling water inlet pipe road and cooling water outlet pipe road, outer circulation cooling water inlet pipe road is connected with the water inlet of the outer circulation water end (W.E.) of plate heat exchanger, outer circulation cooling water outlet pipe road is connected with the delivery port of the outer circulation water end (W.E.) of plate heat exchanger, it is characterized in that, in described, the outer circulation water section comprises two flow controllers, two thermocouples and a shared temperature flow controller, the flow controller of outer circulation water section and thermocouple are serially connected in the pipeline that is connected between the water inlet of outer circulation cooling water inlet pipe road and the outer circulation water end (W.E.) of plate heat exchanger, the water inlet that the flow controller of interior recirculated water part and thermocouple are serially connected in interior circulating fuel battery pile and circulating water pump delivery port are with in pipeline, in described, the flow controller of outer circulation cooling water part and the automatically controlled part of thermocouple are electrically connected to the temperature flow controller, electronic load is electrically connected to the temperature flow controller.
2. control method of utilizing temperature control system claimed in claim 1 to realize, it comprises the following steps:
1) in the fuel cell pile running, the temperature of setting cooling water in cyclic water tank is the fuel cell pile operating temperature, circulating water pump circulates cooling water between fuel cell pile, cyclic water tank and plate heat exchanger, the flow of liquid flow controller in circulation in setting;
2) thermocouple and liquid flow controller detect temperature and the flow of cooling water in cyclic water tank constantly, and power grade, temperature and the flow signal of the fuel cell pack that monitors is transferred to the temperature flow controller, the temperature flow controller is made judgement according to set point to transmitting the signal that comes, and according between heat exchange amount, circulating water pump and the fuel cell pack of plate heat exchanger and outer circulation cooling water detected temperatures and flow and design temperature difference passing ratio-integration-differential mode regulate liquid flow controller, regulate the flow of outer circulation water;
3) outer circulation water and interior recirculated water carry out heat exchange by plate heat exchanger, the temperature of cooling water in cyclic water tank in controlling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310045918.3A CN103137991B (en) | 2013-02-05 | 2013-02-05 | Temperature control system and temperature control method for proton exchange membrane fuel cells testing platform |
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|---|---|---|---|
| CN201310045918.3A CN103137991B (en) | 2013-02-05 | 2013-02-05 | Temperature control system and temperature control method for proton exchange membrane fuel cells testing platform |
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| CN103137991A true CN103137991A (en) | 2013-06-05 |
| CN103137991B CN103137991B (en) | 2015-03-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606692A (en) * | 2013-11-29 | 2014-02-26 | 武汉理工大学 | Temperature control apparatus and control method for PLC-based fuel cell test system |
| CN104681837A (en) * | 2013-12-02 | 2015-06-03 | 陕西荣基实业有限公司 | Heat exchange system for fuel cell |
| CN105572602A (en) * | 2016-03-17 | 2016-05-11 | 上海新源动力有限公司 | Test platform for fuel cell cooling system |
| CN109428094A (en) * | 2017-08-31 | 2019-03-05 | 郑州宇通客车股份有限公司 | A kind of fuel cell system and vehicle |
| CN113991144A (en) * | 2021-10-27 | 2022-01-28 | 合肥科威尔电源系统股份有限公司 | Cooling system for fuel cell stack test system |
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| CN2581229Y (en) * | 2002-11-29 | 2003-10-22 | 清华大学 | Bench testing heat managing device for vehicle fuel battery engine |
| CN201352583Y (en) * | 2008-12-22 | 2009-11-25 | 新源动力股份有限公司 | Novel fuel battery cooling system |
| CN102013504A (en) * | 2010-11-05 | 2011-04-13 | 新源动力股份有限公司 | Test platform temperature control system and control method for proton exchange membrane fuel cell |
| CN201838663U (en) * | 2010-11-05 | 2011-05-18 | 新源动力股份有限公司 | Temperature control system for proton exchange membrane fuel cell testing platform |
| CN203179988U (en) * | 2013-02-05 | 2013-09-04 | 昆山弗尔赛能源有限公司 | Temperature control system for proton exchange membrane fuel battery test platform |
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Patent Citations (6)
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| WO2002037587A2 (en) * | 2000-10-30 | 2002-05-10 | Ztek Corporation | A hybrid electrical power system employing fluid regulating elements for controlling various operational parameters of the system |
| CN2581229Y (en) * | 2002-11-29 | 2003-10-22 | 清华大学 | Bench testing heat managing device for vehicle fuel battery engine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606692A (en) * | 2013-11-29 | 2014-02-26 | 武汉理工大学 | Temperature control apparatus and control method for PLC-based fuel cell test system |
| CN103606692B (en) * | 2013-11-29 | 2015-09-30 | 武汉理工大学 | Based on fuel battery test system temperature control equipment and the control method of PLC |
| CN104681837A (en) * | 2013-12-02 | 2015-06-03 | 陕西荣基实业有限公司 | Heat exchange system for fuel cell |
| CN105572602A (en) * | 2016-03-17 | 2016-05-11 | 上海新源动力有限公司 | Test platform for fuel cell cooling system |
| CN109428094A (en) * | 2017-08-31 | 2019-03-05 | 郑州宇通客车股份有限公司 | A kind of fuel cell system and vehicle |
| CN113991144A (en) * | 2021-10-27 | 2022-01-28 | 合肥科威尔电源系统股份有限公司 | Cooling system for fuel cell stack test system |
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| CN103137991B (en) | 2015-03-18 |
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