CN108539223A - A kind of fuel battery cooling system and its control method - Google Patents
A kind of fuel battery cooling system and its control method Download PDFInfo
- Publication number
- CN108539223A CN108539223A CN201711199747.4A CN201711199747A CN108539223A CN 108539223 A CN108539223 A CN 108539223A CN 201711199747 A CN201711199747 A CN 201711199747A CN 108539223 A CN108539223 A CN 108539223A
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- fuel cell
- cooling system
- fuel battery
- radiator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04059—Evaporative processes for the cooling of a fuel cell
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
- H01M8/04074—Heat exchange unit structures specially adapted for fuel cell
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04768—Pressure; Flow of the coolant
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a kind of fuel battery cooling system and its control methods, including fuel cell, radiator and cooling device；The radiator includes radiator and the cooling fan that is connected with the radiator；The cooling device includes cooling space, coolant and the gas vent and liquid-inlet being connected with the cooling space on the fuel cell being set in the fuel cell.Coolant of the present invention is arranged in fuel battery inside, and realizes the temperature control to battery by explosive evaporation, to which effectively by Fuel Cell Control on assigned temperature, temperature control is balanced, the internal temperature high uniformity of fuel cell.
Description
Technical field
The invention belongs to battery cooling system technical fields, more particularly, to a kind of fuel battery cooling system and its control
Method.
Background technology
Fuel cell will produce a large amount of heat in power generation process, need heat band through cooling water or cooling wind
It walks, keeps the reaction temperature of inside battery.Small fuel cell is cooled down using the mode of cooling wind at present, but this kind of mode
Under cooling, will make the non-uniform temperature of inside battery, and be not easy to the reaction temperature of control battery, the control of temperature exists
Lag, control effect are undesirable so that the service life and efficiency of battery are all greatly affected.And use the mode of cooling water
When being cooled down, need to use the components such as water pump, radiator, water tank, it is not only complicated, and the cold start-up time is longer.
Invention content
The present invention for overcome the deficiencies in the prior art, provide a kind of balanced fuel battery cooling system of temperature control and
Its control method.
To achieve the goals above, the present invention uses following technical scheme：A kind of fuel battery cooling system and its control
Method, including fuel cell, radiator and cooling device；The radiator includes radiator and is connected with the radiator
Cooling fan；The cooling device include be set to the fuel cell in cooling space, coolant and be set to the fuel cell
The upper gas vent and liquid-inlet being connected with the cooling space.The present invention is by being arranged coolant in fuel cell
Portion, and the heat on fuel cell is taken away by the evaporation of coolant, to effectively carry out cooling processing to fuel cell；And it is cold
But agent is after boiling, after in the temperature on fuel cell be absorbed for boiling coolant, the temperature of fuel cell will not
Rise again, to which effectively by Fuel Cell Control on assigned temperature, temperature control is balanced, and the internal temperature of fuel cell is uniform
Property it is high.
Further, the boiling point of the coolant is 60 DEG C -70 DEG C；After the temperature of fuel cell reaches 60 DEG C -70 DEG C,
Coolant will boil, and to which the temperature of fuel cell is effectively effectively controlled 60 DEG C -70 DEG C, effectively prevent the temperature of fuel cell
Spend height.
Further, the radiator includes radiator and the cooling fan that is connected with the radiator；The radiator
It is equipped with heat dissipation channel, the heat dissipation import being connected with the heat dissipation channel and heat dissipation outlet；The steam that coolant boiling generates is logical
It crosses heat dissipation import to enter in heat dissipation channel, reverts to liquid after condensation in radiator, outlet is returned again by radiating
It flow in fuel cell.
Further, the gas vent is connected by air inlet pipe with heat dissipation outlet；The steaming that coolant boiling generates
Vapour is fed through by air inlet pipe in radiator.
Further, the liquid-inlet is connected by outlet tube with heat dissipation outlet；Restoring liquid after condensation can be straight
It connected outlet tube to be back in cooling space, and ensured that coolant will not lose, it is not necessary to often carry out the supplement of coolant.
Further, the air inlet pipe is equipped with pressure sensitive part；It can be to the gas in air inlet pipe by pressure sensitive part
Pressure is incuded in real time, the pressure condition in Real-time Feedback pipeline, is prevented coolant from the case where all evaporations occur, is avoided firing
The case where material battery overheats.
The invention also discloses a kind of control methods of fuel battery cooling system, include the following steps：
（1）Temperature control：When the fuel cell is operating, internal temperature gradually rises, until reach the boiling point of coolant, coolant boiling
Evaporation is discharged by gas vent；
（2）Condensation：Step（1）In steam entered in heat dissipation channel by air inlet pipe, restore liquid after condensation, and lead to
Liquid back pipe is crossed to be back in fuel cell again；
（3）Overheating protection：In condensation process, fan adjusts the working condition of itself according to the gas pressure in air inlet pipe, prevents
There is overheat condition in fuel cell.
In the present invention fuel cell is taken away by being arranged coolant in fuel battery inside, and by the evaporation of coolant
On heat, to effectively carrying out cooling processing to fuel cell；And coolant is after boiling, after in the temperature on fuel cell
It is absorbed for boiling coolant, the temperature of fuel cell will not rise again, to effectively refer to Fuel Cell Control
On constant temperature degree, temperature control is balanced, the internal temperature high uniformity of fuel cell；It is carried out at condensing reflux provided with radiator
Reason, to which coolant can be recycled, service life is long；Provided with overheating protection, by the gas pressure in air inlet pipe
Power is incuded in real time, the pressure condition in Real-time Feedback pipeline, is prevented coolant from the case where all evaporations occur, is avoided fuel
There is the case where cause thermal damage in battery, and service life is long.
Further, the gas pressure in the air inlet pipe is incuded by the pressure sensitive part；Pressure sensitive part
Accurate for the induction of gas pressure in tube body, error is small, more accurate to the rotating speed control of cooling fan.
Further, described further includes logic judgment unit, the logic judgment unit respectively with the pressure sensitive part and
Cooling fan is electrically connected；The logic judgment unit carries out logic judgment to the pressure that the pressure sensitive part detects；Work as judgement
When pressure value is overvoltage condition, control fan is opened；When judging pressure value for normal value, maintain cooling fan rotation speed constant；
When judging pressure value for overvoltage, control fan is closed；Remain that cooling fan in speed rotation the most appropriate, is ensureing
In the case that fuel cell will not overheat, energy consumption is preferably minimized, energy conservation and environmental protection.
In conclusion the present invention has the following advantages：Coolant is arranged in fuel battery inside, and passes through explosive evaporation reality
Now to the temperature control of battery, to which effectively by Fuel Cell Control on assigned temperature, temperature control is balanced, the inside of fuel cell
Temperature uniformity is high.
Description of the drawings
Fig. 1 is the stereogram of the present invention.
Fig. 2 is the structural schematic diagram of the present invention.
Fig. 3 is the structural schematic diagram of metal polar plate in the present invention.
Specific implementation mode
In order to make those skilled in the art be better understood from the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention carry out clear, complete description.
As shown in Figs. 1-3, a kind of fuel battery cooling system, including fuel cell 1, radiator 2 and cooling device 3；
Divide specifically, the fuel cell 1 includes two end pieces 11, two collector plates 13 and multiple metal polar plates 12, the collector plate 13
She Yu not be on extremity piece 11, the metal polar plate 12 is set between two end pieces 11, overlapped to fill out before multiple metal polar plates 12
Between full two end pieces 11；The extremity piece is metallic plate or plastic plate, and two end pieces 11 are connected by multiple connecting poles 15；In order to realize
To the compression of metal polar plate 12, we are provided with a pressing plate 14 outside the extremity piece 11；The metal polar plate 12 is straight on the market
The metal double polar plates for connecing purchase, no longer specifically repeat；The cooling device 3 goes out including cooling space 31, coolant and gas
Mouth 32 and liquid-inlet 33, the cooling space 31 are the cavity being respectively arranged in each metal polar plate 12, the cooling
Agent is set in the cooling space 31, and the boiling point of coolant is 60 DEG C -70 DEG C, the alcohol-preferably directly bought on the market
The coolant that water is mixed to get can meet 60 DEG C -70 DEG C of boiling point；The gas vent 32 is set to 12 top of metal polar plate, liquid
Body import 33 is set to 12 lower part of metal polar plate, and the gas vent 32 and liquid-inlet 33 are connected with cooling space 31 respectively.
The radiator 2 includes radiator 21 and the cooling fan 22 being connected with the radiator；The radiator 21 wraps
Heat dissipation channel, heat dissipation import 212, heat dissipation outlet 213 and cooling fin 23 are included, the hollow setting of 21 interior section of the radiator is formed
The heat dissipation channel, the cooling fin can be directly commercially available by the market, these cooling fins are along the heat dissipation channel
The distribution that length direction interval has realizes heat dissipation so as to effectively siphon away the heat on heat dissipation channel；The heat dissipation import
212 and heat dissipation outlet 213 be set to the radiator 21 side wall on, and radiate import 212 and heat dissipation export 213 with the heat dissipation
Channel is connected；Further, the gas vent 32 is connected by air inlet pipe 4 with the heat dissipation import 212, the liquid into
Mouth 33 is connected by outlet tube 5 with heat dissipation outlet 213；Preferably, the heat dissipation import 212 and heat dissipation outlet 213
Inner wall extends outward to form interconnecting piece respectively so that heat dissipation import 212 and heat dissipation export 213 with the air inlet pipe 4 and go out
The connection of liquid pipe 5 is more convenient.
Further, in order to reach better cooling-down effect, we are provided with hydrogen on 12 top of each metal pole part
Entrance 121 and air intlet 123 are provided with hydrogen outlet 122 and air outlet slit 124 in lower part, improve on metal pole part 12
Air circulation ability；Preferably, the hydrogen inlet 121, gas vent 32, air intlet 123 are set as a row, hydrogen outlet
122, liquid-inlet 33, air outlet slit 124 are set as a row；Further, the hydrogen inlet is corresponded on the end plate
121, it is respectively equipped on the position of gas vent 32, air intlet 123, hydrogen outlet 122, liquid-inlet 33, air outlet slit 124
One opening；Preferably, the opening has extended outward to form extension 111, consequently facilitating being connect with pipeline.
Further, the air inlet pipe 4 is equipped with pressure sensitive part 41, which is directly to buy on the market
Obtained pressure inductor, for incuding the gas pressure in air inlet pipe 4.
The control method of above-mentioned fuel battery cooling system, includes the following steps：（1）Temperature control：When the fuel cell is operating,
Its internal temperature gradually rises, and the coolant to be placed in cooling space is heated, until reaching the boiling point of coolant；It
Postcooling agent is boiled and is evaporated, and the steam of generation is discharged by gas vent；（2）Condensation：Step（1）In steam pass through
Air inlet pipe is entered to by heat dissipation import in heat dissipation channel, restores liquid after condensation in heat dissipation channel later, and by returning
Liquid pipe is back in fuel cell again；（3）Overheating protection：During condensation, fan will be sensed according to pressure sensitive part
Air inlet pipe in gas pressure adjust the working condition of itself, prevent fuel cell from overheat condition occur；Fuel cell cools down
System further includes logic judgment unit, which may be implemented for the prior art, such as microcontroller, PLC；The logic
Judging unit is electrically connected with the pressure sensitive part and cooling fan respectively, thus by logic judgment unit to the pressure sensitive
The pressure that part detects carries out logic judgment, and controls cooling fan to state appropriate；Specifically, when logic judgment unit is sentenced
When the pressure value that disconnected pressure sensitive part detects is overvoltage condition, i.e., pressure be above standard value when, logic judgment unit will control
Fan is opened；When decision logic judging unit judges the pressure value that pressure sensitive part detects for normal value, logic judgment list
Control is maintained cooling fan rotation speed constant by member；When logic judgment unit judges the pressure value that pressure sensitive part detects to be under-voltage
When, i.e., when pressure is less than standard value, logic judgment unit will control fan and close.
Obviously, described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment should all belong to the scope of protection of the invention.
Claims (9)
1. a kind of fuel battery cooling system, including fuel cell（1）, radiator（2）And cooling device（3）；The heat dissipation
Device（2）Including radiator（21）The cooling fan being connected with the radiator（22）；It is characterized in that：The cooling device
（3）It include the cooling space in the fuel cell（31）, coolant and be set to the fuel cell（1）The upper and cooling is empty
Between the gas vent that is connected（32）And liquid-inlet（33）.
2. a kind of fuel battery cooling system according to claim 1, it is characterised in that：The boiling point of the coolant is 60
℃-70℃。
3. a kind of fuel battery cooling system according to claim 1, it is characterised in that：The radiator（21）It is equipped with
Heat dissipation channel, the heat dissipation import being connected with the heat dissipation channel（212）It is exported with heat dissipation（213）.
4. a kind of fuel battery cooling system according to claim 3, it is characterised in that：The gas vent（32）Pass through
Air inlet pipe（4）With the heat dissipation import（212）It is connected.
5. a kind of fuel battery cooling system according to claim 3, it is characterised in that：The liquid-inlet（33）Pass through
Outlet tube（5）It is exported with the heat dissipation（213）It is connected.
6. a kind of fuel battery cooling system according to claim 4, it is characterised in that：The air inlet pipe（4）It is equipped with
Pressure sensitive part（41）.
7. the control method of the fuel battery cooling system according to any one of claim 1-6, it is characterised in that：Including
Following steps：
Temperature control：When the fuel cell is operating, internal temperature gradually rises, until reaching the boiling point of coolant, coolant boiling is steamed
Hair is discharged by gas vent；
Condensation：Step（1）In steam entered in heat dissipation channel by air inlet pipe, restore liquid after condensation, and pass through
Liquid back pipe is back in fuel cell again；
Overheating protection：In condensation process, fan adjusts the working condition of itself according to the gas pressure in air inlet pipe, prevents fuel
There is overheat condition in battery.
8. a kind of control method of fuel battery cooling system according to claim 7, it is characterised in that：The air inlet pipe
Interior gas pressure is incuded by the pressure sensitive part.
9. a kind of control method of fuel battery cooling system according to claim 7, it is characterised in that：It is described to further include
Logic judgment unit, the logic judgment unit are electrically connected with the pressure sensitive part and cooling fan respectively；The logic judgment list
Member carries out logic judgment to the pressure that the pressure sensitive part detects；When judging pressure value for overvoltage condition, fan is controlled
It opens；When judging pressure value for normal value, maintain cooling fan rotation speed constant；When judging pressure value for overvoltage, wind is controlled
Fan is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711199747.4A CN108539223A (en) | 2017-11-26 | 2017-11-26 | A kind of fuel battery cooling system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711199747.4A CN108539223A (en) | 2017-11-26 | 2017-11-26 | A kind of fuel battery cooling system and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108539223A true CN108539223A (en) | 2018-09-14 |
Family
ID=63489710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711199747.4A Pending CN108539223A (en) | 2017-11-26 | 2017-11-26 | A kind of fuel battery cooling system and its control method |
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| Country | Link |
|---|---|
| CN (1) | CN108539223A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116598531A (en) * | 2023-04-26 | 2023-08-15 | 广州汽车集团股份有限公司 | Fuel cell |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996887A (en) * | 2013-02-19 | 2014-08-20 | 微宏动力系统（湖州）有限公司 | Cell module with heat-radiation capability |
| CN104934619A (en) * | 2015-04-30 | 2015-09-23 | 西南交通大学 | Thermal management system of water-cooling proton exchange membrane fuel cell and control method of thermal management system |
| CN106654446A (en) * | 2016-11-28 | 2017-05-10 | 北方工业大学 | Battery module and consumer |
| CN106785191A (en) * | 2016-11-28 | 2017-05-31 | 北方工业大学 | battery module and electric equipment |
| JP2017168345A (en) * | 2016-03-17 | 2017-09-21 | 大阪瓦斯株式会社 | Fuel battery system |
-
2017
- 2017-11-26 CN CN201711199747.4A patent/CN108539223A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996887A (en) * | 2013-02-19 | 2014-08-20 | 微宏动力系统（湖州）有限公司 | Cell module with heat-radiation capability |
| CN104934619A (en) * | 2015-04-30 | 2015-09-23 | 西南交通大学 | Thermal management system of water-cooling proton exchange membrane fuel cell and control method of thermal management system |
| JP2017168345A (en) * | 2016-03-17 | 2017-09-21 | 大阪瓦斯株式会社 | Fuel battery system |
| CN106654446A (en) * | 2016-11-28 | 2017-05-10 | 北方工业大学 | Battery module and consumer |
| CN106785191A (en) * | 2016-11-28 | 2017-05-31 | 北方工业大学 | battery module and electric equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116598531A (en) * | 2023-04-26 | 2023-08-15 | 广州汽车集团股份有限公司 | Fuel cell |
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180914 |
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| RJ01 | Rejection of invention patent application after publication |