CN201838663U - Temperature control system for proton exchange membrane fuel cell testing platform - Google Patents
Temperature control system for proton exchange membrane fuel cell testing platform Download PDFInfo
- Publication number
- CN201838663U CN201838663U CN2010205950169U CN201020595016U CN201838663U CN 201838663 U CN201838663 U CN 201838663U CN 2010205950169 U CN2010205950169 U CN 2010205950169U CN 201020595016 U CN201020595016 U CN 201020595016U CN 201838663 U CN201838663 U CN 201838663U
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- water
- fuel cell
- outer circulation
- heat exchanger
- plate heat
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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
Abstract
The utility model relates to a temperature control system for a proton exchange membrane fuel cell testing platform, which comprises a fuel cell stack, a plate heat exchanger connected with the fuel cell stack, a water circulating tank, a water circulating pump, an electromagnetic valve and a temperature controller, the electromagnetic valve is connected in series in a pipeline connected between an external circulating cooling water inlet pipeline and the water inlet of the external circulating water end of the plate heat exchanger, the electric control part of the electromagnetic valve is electrically connected with the temperature controller, and a thermocouple is arranged in the water circulating tank, and is electrically connected with the temperature controller through a signal wire. Compared with the prior art, the utility model has the advantage that by adopting the on-off of the electromagnetic valve to regulate the flow of external circulating cooling water, the temperature control system can effectively ensure the stability of the temperature in the process of the dynamic operation of the fuel cell stack, thus guaranteeing the stability of the output performance of the fuel cell stack.
Description
Technical field
The utility model relates to the fuel cell technology field, relates in particular to the proton exchange film fuel cell electric piling field tests.
Background technology
The fuel cell stack operation is a complex physicochemical process, and when carrying out the test of fuel cell output performance, different operational factors and external environmental condition are all influential to it, and wherein temperature of fuel cell operation is a significant effects parameter.At present, when on fuel battery test platform, testing, the control of temperature of fuel cell operation mainly is to realize internal recirculated cooling water temperature controlling by control outer circulation cooling water, flow by accurate control outer circulation cooling water, reach the purpose of the temperature of recirculated cooling water in the control, and then the control temperature of fuel cell operation.In the prior art, the control of outer circulation cooling water flow has two kinds of methods, and the one, with flow quantity control instrument control outer circulation cooling water flow, the 2nd, hand-operated valve is manually controlled the flow of outer circulation cooling water.The deficiencies in the prior art are: control cooling water flow with flow quantity control instrument, flow quantity control instrument costs an arm and a leg, and cost is than higher; Manually control the flow of outer circulation water by hand-operated valve, cost is lower, but control precision is not enough, can't satisfy the temperature control in the fuel cell pack dynamic operation test process.
Summary of the invention
The purpose of this utility model is for overcoming the deficiencies in the prior art, propose a kind ofly in external circulation line, battery valve to be installed at fuel battery test platform, break-make by the electromagnetically operated valve on the control outer circulation water lines, the method of temperature of recirculated water in controlling, thereby the dynamic operation temperature of control fuel cell pile.
The technical solution of the utility model is: the proton exchanging film fuel battery test platform temperature control system, comprise fuel cell pack, interior recirculated water part and outer circulation water section, recirculated water partly comprises the plate heat exchanger that is connected with fuel cell pack in described, 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 described outer circulation water section also comprises an electromagnetically operated valve and a temperature controller, electromagnetically operated valve is serially connected in the pipeline that is connected between the water inlet of outer circulation water cooling water inlet pipeline and the outer circulation water end (W.E.) of plate heat exchanger, the automatically controlled part of electromagnetically operated valve is electrically connected with temperature controller, be provided with thermocouple in the cyclic water tank of recirculated water part in described, thermocouple is electrically connected with temperature controller with holding wire.
The control method of a kind of pem fuel cell stack operating temperature control system described in the utility model may further comprise the steps: in the fuel cell pile running, the temperature of setting cooling water in the cyclic water tank is the fuel cell pile operating temperature, and circulating water pump circulates cooling water between fuel cell pile, cyclic water tank and plate heat exchanger; Thermocouple detects the temperature of cooling water in the cyclic water tank constantly, and the temperature signal that monitors is transferred to temperature controller, temperature controller is made judgement according to desired temperature to transmitting the signal that comes, and regulate the break-make of electromagnetically operated valve according to cooling water tank cooling water detected temperatures and design temperature difference passing ratio-integration-differential (proportional-integral-derivative PID) mode, regulate the flow of outer circulation water; Outer circulation water and interior recirculated water carry out heat exchange by plate heat exchanger, the temperature of cooling water in the recirculated water water tank in the control.
The utility model has following beneficial effect compared with the prior art: adopt electromagnetically operated valve break-make in the PID control outer circulation water lines, can guarantee the temperature stability in the fuel cell pile running effectively, guaranteed the stable of pile output performance.
Description of drawings
The utility model has two accompanying drawings, wherein:
Fig. 1 is a fuel cell pile operating temperature control flow chart,
Fig. 2 is the temperature changing curve diagram in the fuel cell pile dynamic running process.
In the accompanying drawing: 1, circulating water pump, 2, cyclic water tank, 3, plate heat exchanger, 4, electromagnetically operated valve, 5, fuel cell pile, 6, temperature controller, 7, thermocouple, 8, the cooling water inlet pipe road, 9, cooling water outlet pipe road, 10, cooling water intake, 11, cooling water outlet.
In the temperature changing curve diagram in the fuel cell pile dynamic running process, the curve of band round dot is a fuel cell pile output current curve, and the curve of band Diamond spot is the fuel cell pile temperature curve.
Embodiment
The embodiment of the following stated is being to implement under the prerequisite with technical solutions of the utility model, provided detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
Embodiment 1
Be in the cooling system that is applied in the fuel battery test platform.Comprise fuel cell pack 5, interior recirculated water part and outer circulation water section, interior recirculated water partly comprises the plate heat exchanger 3 that is connected with fuel cell pack, cyclic water tank 2 and circulating water pump 1, the water inlet of fuel cell pack 5 is connected with pipeline with circulating water pump 1 delivery port, 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 3, the delivery port of the interior circulation water end (W.E.) of plate heat exchanger 3 is connected with cyclic water tank 2 with pipeline, the outer circulation water section comprises outer circulation cooling water inlet pipe road 8 and cooling water outlet pipe road 9, outer circulation cooling water inlet pipe road 8 is connected with the water inlet of the outer circulation water end (W.E.) of plate heat exchanger 3, outer circulation cooling water outlet pipe road 9 is connected with the delivery port of the outer circulation water end (W.E.) of plate heat exchanger 3, the outer circulation water section also comprises an electromagnetically operated valve 4 and a temperature controller 6, electromagnetically operated valve 4 is serially connected in the pipeline that is connected between the water inlet of outer circulation water cooling water inlet pipeline 8 and the outer circulation water end (W.E.) of plate heat exchanger 3, the automatically controlled part of electromagnetically operated valve 4 is electrically connected with temperature controller 6, be provided with thermocouple 7 in the cyclic water tank 3 of interior recirculated water part, thermocouple 7 usefulness holding wires are electrically connected with temperature controller 6.
The test process of present embodiment is as follows: fuel cell pile is installed in the test platform, carry out gas circuit, the water route, the connection of load, but make fuel cell pile be in test mode, open the test source of the gas then, outer circulation water water source, the power supply of interior circulating water pump and test platform and fuel cell test professional software, setting fuel cell pile operating temperature (cyclic water tank 2 cooling water temperatures) is 60 ℃, fuel cell reaction gas humidification temperature is 55 ℃, it is 60 ℃ that reaction gas advances stack temperature, according to the air stoichiometry ratio is 2.5 setting air tolerance, the given 50kpa pressure of hydrogen adopts the pulse mode exhaust; Carry out the fuel cell pile dynamic performance testing then.The electric energy that fuel cell pile is externally exported in the test process constantly changes, the heat energy that produces in the test process also constantly changes, when cooling water temperature in the cyclic water tank 2 is higher than when setting 60 ℃ of battery operation temperature, open by temperature controller 6 control electromagnetically operated valves 4, outer circulation water enters circulating water temperature in plate heat exchanger 3 coolings, and cooling water temperature is reduced to design temperature in cyclic water tank 2, and electromagnetically operated valve 4 disconnects, outer circulation water stops to enter plate heat exchanger 3, stops the cooling of internal recirculated water.Adopt the logical and disconnected of electromagnetically operated valve 4 in the pid control mode control external circulation line in the running, regulate the cooling water flow that outer circulation water enters plate heat exchanger 3, can accurately control the dynamic operation temperature of fuel cell pile.Test result shows that the fluctuation of pile operating temperature has been guaranteed the operating temperature stability in the fuel cell dynamic running process less than ± 1 ℃ in the fuel cell pile dynamic running process.Temperature variation curve in the fuel cell pile dynamic running process such as Fig. 2.
Claims (1)
1. proton exchanging film fuel battery test platform temperature control system, comprise fuel cell pack (5), interior recirculated water part and outer circulation water section, recirculated water partly comprises the plate heat exchanger (3) that is connected with fuel cell pack (5) in described, cyclic water tank (2) and circulating water pump (1), the water inlet of fuel cell pack (5) is connected with pipeline with circulating water pump (1) delivery port, 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 (3), the delivery port of the interior circulation water end (W.E.) of plate heat exchanger (3) is connected with cyclic water tank (2) with pipeline, described outer circulation water section comprises outer circulation cooling water inlet pipe road (8) and cooling water outlet pipe road (9), outer circulation cooling water inlet pipe road (8) is connected with the water inlet of the outer circulation water end (W.E.) of plate heat exchanger (3), outer circulation cooling water outlet pipe road (9) is connected with the delivery port of the outer circulation water end (W.E.) of plate heat exchanger (3), it is characterized in that described outer circulation water section also comprises an electromagnetically operated valve (4) and a temperature controller (6), electromagnetically operated valve (4) is serially connected in the pipeline that is connected between the water inlet of outer circulation cooling water inlet pipe road (8) and the outer circulation water end (W.E.) of plate heat exchanger (3), the automatically controlled part of electromagnetically operated valve (4) is electrically connected with temperature controller (6), be provided with thermocouple (7) in the cyclic water tank (2) of recirculated water part in described, thermocouple (7) is electrically connected with temperature controller (6) with holding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205950169U CN201838663U (en) | 2010-11-05 | 2010-11-05 | Temperature control system for proton exchange membrane fuel cell testing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205950169U CN201838663U (en) | 2010-11-05 | 2010-11-05 | Temperature control system for proton exchange membrane fuel cell testing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201838663U true CN201838663U (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205950169U Expired - Lifetime CN201838663U (en) | 2010-11-05 | 2010-11-05 | Temperature control system for proton exchange membrane fuel cell testing platform |
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| Country | Link |
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| CN (1) | CN201838663U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103137991A (en) * | 2013-02-05 | 2013-06-05 | 昆山弗尔赛能源有限公司 | Temperature control system and temperature control method for proton exchange membrane fuel cells testing platform |
| CN109244504A (en) * | 2018-09-18 | 2019-01-18 | 北京久安通氢能科技有限公司 | A kind of cooling system and its control method of the test of fuel cell cold-starting |
| 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 |
-
2010
- 2010-11-05 CN CN2010205950169U patent/CN201838663U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103137991A (en) * | 2013-02-05 | 2013-06-05 | 昆山弗尔赛能源有限公司 | Temperature control system and temperature control method for proton exchange membrane fuel cells testing platform |
| CN103137991B (en) * | 2013-02-05 | 2015-03-18 | 昆山弗尔赛能源有限公司 | Temperature control system and temperature control method for proton exchange membrane fuel cells testing platform |
| CN109244504A (en) * | 2018-09-18 | 2019-01-18 | 北京久安通氢能科技有限公司 | A kind of cooling system and its control method of the test of fuel cell cold-starting |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110518 |