CN209374566U - A kind of cold boot of fuel cell system with storage heater - Google Patents
A kind of cold boot of fuel cell system with storage heater Download PDFInfo
- Publication number
- CN209374566U CN209374566U CN201920146192.5U CN201920146192U CN209374566U CN 209374566 U CN209374566 U CN 209374566U CN 201920146192 U CN201920146192 U CN 201920146192U CN 209374566 U CN209374566 U CN 209374566U
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- pile
- micropump
- storage heater
- fuel cell
- temperature
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/10—Applications of fuel cells in buildings
-
- 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 field of fuel cell technology, provide a kind of cold boot of fuel cell system with storage heater, including pile, the pile refers to a kind of energy conversion device, and the main cooling system for cooling down the pile, for protecting the Micropump circulatory system of mild heat to the pile, the Micropump circulatory system includes Micropump, backup power source and storage heater, the Micropump is for controlling coolant liquid circulation, the backup power source is when the pile is closed, for providing electric power to the Micropump, the storage heater is for absorbing storage heat and release heat, the pile, the Micropump and the storage heater connect to form the first circuit.The utility model can be improved cold boot of fuel cell efficiency, protects fuel cell, improves performance and the service life of battery.
Description
Technical field
The utility model relates to field of fuel cell technology, refer in particular to provide a kind of fuel electricity with storage heater
Pond cold starting system.
Background technique
Fuel cell is the electrochemistry dress that a kind of chemical energy that will be present in fuel and oxidant is converted into electric energy
It sets, is the 4th kind of generation mode after thermoelectricity, water power and nuclear power.Wherein, Proton Exchange Membrane Fuel Cells (PEMFC) is combustion
Expect one kind of battery, monocell is made of anode, cathode and proton exchange membrane, and anode is the place that hydrogen fuel aoxidizes,
Cathode is the place of oxidant reduction.Its power generation process is not related to oxyhydrogen combustion, and energy conversion rate is high, and when power generation does not generate dirt
Dye, power generating modules, high reliablity, assembling and maintenance are all very convenient, also without noise when work.Therefore, proton exchange
Membrane cell power supply is a kind of cleaning, efficiently environmentally protective power supply.But due to the electrification of Proton Exchange Membrane Fuel Cells
It learns reaction to carry out on water-gas-proton (electronics) three phase boundary, temperature starts when being lower than zero degree, the water that inside battery generates
Icing phenomenon can be generated, while blocking the gas passage of reaction zone, causes the rupture of proton exchange membrane to influence battery performance.
Thus it is guaranteed that the cold start-up safety of Proton Exchange Membrane Fuel Cells is to improve a critical issue of battery performance and service life.
Summary of the invention
In order to solve the above technical problems, the main purpose of the utility model is to provide a kind of combustions with storage heater
Expect battery cold starting system, can be improved cold boot of fuel cell efficiency, protects fuel cell, improve performance and the longevity of battery
Life.
To reach above-mentioned purpose, the technical solution of the utility model application is: providing a kind of combustion with storage heater
Expect that battery cold starting system, including pile, the pile refer to a kind of energy conversion device, and the master for cooling down the pile
Cooling system, for protecting the Micropump circulatory system of mild heat to the pile, the Micropump circulatory system includes Micropump, spare
Power supply and storage heater, the Micropump are used for for controlling coolant liquid circulation, the backup power source when the pile is closed
Electric power is provided to the Micropump, the storage heater is for absorbing storage heat and release heat, the pile, the Micropump
And the storage heater connects to form the first circuit.
In the technical program, when pile operates normally, main cooling system is opened, and is carried out by coolant liquid to pile cold
But, meanwhile, it also added the Micropump circulatory system, when stack temperature is excessively high, storage heater absorbs heat and stores, together
When can also cool down to pile, by stack temperature stablize be suitble to range in；When stack temperature is too low, storage heater can be
The heat of storage releases, and for heating up to pile, the stability of stack temperature is increased, at this point, the work of storage heater
Make to save the energy without being additionally provided power.When pile is out of service, in the case where executing holding mode, the Micropump circulatory system
It can be kept the temperature to pile, stack temperature is made to maintain zero degrees celsius or more a period of time, prevent from damaging pile because of freezing and expansion, together
Shi Shixian is quickly cold-started.
In the present embodiment preferably, the storage heater is separated structure, including first end, heating sheet and second end
Portion, the first end and the second end clamp the heating sheet between, the first end with it is described micro-
Pump connection, the second end are connect with the main cooling system.
In the technical program, using isolated phase change heat storage material, intermediate course is PTC heating sheet, since this is special
Separated structure there are two heat exchange pipelines, to realize the operation of different mode.
In the present embodiment preferably, the first split cavity to be formed, institute is isolated equipped with metal conducting strip in the first end
State the first phase-change material that the first split cavity is 70-80 DEG C filled with phase transition temperature；
The second end is equipped with metal conducting strip and the second split cavity to be formed, the second split cavity filling is isolated
Having phase transition temperature is 40-50 DEG C of the second phase-change material.
In the technical program, when pile operates normally, the temperature by main cooling system coolant liquid after cooling is lower,
Therefore storage heater uses the lower 40-50 DEG C of phase change heat storage material of phase transition temperature close to one end of main cooling system, can be with
Lower phase-transition heat-storage temperature is preferentially provided.One end temperature close to pile is relatively high, then uses 70-80 DEG C of phase transformation material
Material.Micropump looped cycle can be opened when pile power increases suddenly, it is steady to absorb amount of heat using the material of the high phase transition temperature
Determine temperature.In the optimized copper metal conducting strip of disengagement chamber indoor deployment, may be implemented efficiently to store heat release function.
In the present embodiment preferably, the first end is equipped with several metal conducting strips, and first separation chamber is isolated
Form several regions；
The second end is equipped with several metal conducting strips, is isolated second separation chamber to form several regions.
In the present embodiment preferably, the main cooling system includes deionizater and intercooler, the deionizater, described
The first end of storage heater and the intercooler are sequentially connected and are formed second branch, and the second branch is attempted by described
The both ends of pile.
In the present embodiment preferably, the main cooling system further includes water pump, thermostat and radiator, the pile, institute
It states water pump, the thermostat and the radiator and is sequentially connected and is formed third branch, water pump is far from institute in the third branch
The one end for stating thermostat is connected to the one end of the deionizater far from the pile, and radiator is connected in the third branch
The one end of the pile far from the deionizater.
In the present embodiment preferably, the main cooling system further includes water supply tank, the water supply tank, the radiator, institute
It states thermostat and the water pump is sequentially connected and forms series loop.
In the present embodiment preferably, be serially connected with Micropump switch in the control terminal of the Micropump, Micropump switch also with institute
State pile connection.
The utility model provides a kind of cold boot of fuel cell system with storage heater, can bring following at least one
Kind the utility model has the advantages that
1. in the utility model, by the Micropump circulatory system, can be realized by low-temperature insulation function and improve fuel cell
It is cold-started efficiency, fuel cell is protected, improves performance and the service life of battery.
2. in the utility model, absorbing storage heat and release heat by storage heater, stack temperature can be improved
Stability, while by pile operation generate heat absorption store recycle, reduce energy consumption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment fuel battery cooling system.
Fig. 2 is the structural schematic diagram of the present embodiment storage heater.
Fig. 3 is the schematic diagram of the section structure of the first end of the present embodiment storage heater.
Fig. 4 is the time diagram that the present embodiment Micropump circulatory system keeps the temperature pile in varying environment temperature.
Drawing reference numeral explanation:
1. pile, 2. Micropumps switch, 3. Micropumps, 4. heat storage devices, 5. intercoolers, 6. deionizaters, 7. water pumps, 8. sections
Warm device, 9. radiators, 10. water supply tanks, 11. first ends, 12. heating sheets, 13. the second ends, 14. metal conducting strips, 15.
One split cavity.
Specific embodiment
Although the utility model can easily show as various forms of embodiments, it is shown in the accompanying drawings and at this
What be will be explained in specification is only some of specific embodiments, while being understandable that this specification is construed as
The utility model principle it is exemplary illustrated, and be not intended to for the utility model being restricted to it is illustrated herein as.
As a result, a feature pointed in this specification by one embodiment to illustrate the utility model wherein
One feature, rather than imply that each embodiment of the utility model must have illustrated feature.Further it is to be noted that
It is that present specification describes many features.Although certain features can be combined to show possible system design,
These features can also be used for other combinations that explanation is not known.As a result, unless otherwise indicated, illustrated combination is not intended to
Limitation.
In the embodiment shown in the figures, the instruction (such as upper, lower, left, right, front and rear) in direction is practical to explain
The structure of novel various assemblies and movement are not absolute but opposite.When these components are in position shown in the drawings
When, these explanations are suitable.If the explanation of the position of these components changes, the instruction in these directions is also corresponding
Ground changes.
Below in conjunction with the attached drawing of this specification, the preferred embodiment of the utility model is further described in detail.
In example 1, as shown in Figure 1 to Figure 3, a kind of fuel cell with storage heater is present embodiments provided
Cold starting system, including pile 1, pile 1 refer to a kind of energy conversion device, refer generally to fuel cell；For cooling down the electricity
The main cooling system (not marking) of heap；For protecting the Micropump circulatory system (not marking) of mild heat, Micropump cyclic system to pile 1
System includes Micropump 3, Micropump switch 2 and storage heater 4, and Micropump 3 is for controlling coolant liquid circulation, and Micropump 2 is for controlling Micropump 3
Switch, it further includes backup power source (not shown) that Micropump, which follows bad system, and backup power source is when pile 1 is closed, for mentioning to Micropump 3
For electric power, it is preferable that backup power source is lithium battery, and it is excellent that lithium battery has that specific energy is big, has extended cycle life, has a safety feature etc.
Point；Storage heater 4 forms circulation for absorbing storage heat and release heat, pile 1, Micropump 3 and the connection of storage heater 4
Circuit.Storage heater 4 is separated structure, including first end 11, heating sheet 12 and the second end 13, first end 11 and the
Two ends 13 clamp heating sheet 12 between, and first end 11 is connect with Micropump 3, the second end 13 and main cooling system
Connection.First end 11 is equipped with the first split cavity 15 that the isolation of metal conducting strip 14 is formed, and the first split cavity 15 is filled with
First phase-change material (not shown)；The second split cavity that the second end 13 is formed equipped with the isolation of metal conducting strip 14, second point
The second phase-change material is filled with from chamber.Preferably, the phase-change material that the first phase-change material is 70-80 DEG C of phase transition temperature；Second
The phase-change material that phase-change material is 40-50 DEG C of phase transition temperature；Metal conducting strip material is copper；Heating sheet is PTC heating sheet.It is preferred that
Ground, first end 11 are equipped with several metal conducting strips 14, and the isolation of the first separation chamber 15 is formed several regions；The second end 13 is set
There are several metal conducting strips 14, the second separation chamber is isolated to form several regions.Phase-change material refer to it is temperature-resistant in the case where
And change state of matter and the substance of latent heat can be provided, the process for changing physical property is known as phase transition process, at this moment phase-change material
It will absorb or discharge a large amount of latent heat.
Main cooling system includes deionizater 6, intercooler 5, water pump 7, thermostat 8, radiator 9 and water supply tank 10, in it is cold
Device 5 prevents high temperature coolant its role is to reduce the temperature of coolant liquid in main cooling system, the thermic load to reduce pile 1
Into pile 1, pile 1 is damaged；Deionizater 6 prevents ion from damaging pile 1 for removing deionization；It is cold based on water pump 7
But system circulation provides power, and coolant liquid is made to circulate through pile 1, cools down to pile 1；Thermostat 8 is according to coolant temperature
Height automatic adjustment enter 9 radiators cooling liquid measure, change the range of DO of coolant liquid, with adjust main cooling system dissipate
Thermal energy power guarantees that pile 1 works within the scope of suitable temperature；Radiator 9 is for giving coolant liquid radiating and cooling；When coolant liquid
When temperature is lower, pile 1 and deionizater 6 and the foundation of intercooler 5 connect and compose circulation loop, pile 1 and deionizater 6, water
Pump 7 and the foundation of thermostat 8 connect and compose circulation loop；When the temperature of coolant liquid is higher, pile 1 and deionizater 6, water pump 7,
Thermostat 8 and the foundation of radiator 9 connect and compose circulation loop, are cooled down by radiator 9 to coolant liquid；When coolant liquid deficiency
When, coolant liquid is supplemented by water supply tank 10, pile 1 and deionizater 6, water supply tank 10 and the foundation of radiator 9 connect and compose circulation
Circuit.
In the present embodiment, the local circulation that the isolation of storage heater 4 that Micropump 4 and PTC are combined is formed, is operating normally
In, system coolant liquid is recycled by water pump 7, due to lower, the first end of storage heater 4 by the temperature of intercooler 5
Portion 13 uses the lower 40-50 DEG C of phase change heat storage material of phase transition temperature, therefore can preferentially provide lower phase-transition heat-storage temperature；
The second end 13 then uses 70-80 DEG C of phase-change material by Micropump 3；Micropump loop can be opened when 1 power of pile increases suddenly
Circulation absorbs amount of heat equilibrium temperature using the material of the high phase transition temperature.After stack system is closed, if desired starting is protected
Warm mode is then opened Micropump circulation according to Micropump switch 2 and is kept the temperature.Wherein heat storage device structure is as shown in Fig. 2, use
Isolated phase change heat storage material, intermediate course are PTC heating sheet.Since the special separated structure is there are two heat exchange pipelines,
To realize the operation of different mode.In the optimized copper metal conducting strip of disengagement chamber indoor deployment, may be implemented efficiently
Heat release function is stored, section is as shown in figure 3, phase-change material is filled in gap.
In example 2, as shown in Figure 1, on the basis of example 1, Micropump cooling system further include controller (not
Display), controller can intermittently starting Micropump 3；When battery SOC is lower than threshold power, controller closes Micropump 3.It is closed in pile 1
After closing, water pump is to close at this time, and when temperature is reduced to 5 degrees Celsius, 3 interval of Micropump that Micropump switch 2 opens low-power consumption is followed
Ring, power source is standby lithium pond at this time.During pile operates normally, water pump 7 is open state, and power demand increases, can produce
Heat amount, when 1 running temperature of pile is higher than 80 degrees Celsius, Micropump switch 2 opens Micropump 3, utilizes the phase transformation of heat storage device 4
Heat-storing material absorbs a large amount of heat equilibrium temperature, reduces pile damage.Controller is often electricity configuration, has time-wise separation
From arousal function.When outdoor temperature is lower than 0 DEG C, system, which will be prompted to whether to start holding mode, starts the system, to be supplied to
User selects to use.Controller intermittently starting Micropump when pile is lower than 5 DEG C operates, while considering A-battery SOC, if mistake
Low, then preferential close guarantees other equipment operation, under holding mode, when stack temperature is no longer stable lower than 0 DEG C or increases
When then system determine holding mode failure, close circulation Micropump guarantee electricity.In cold start-up, when stack temperature is higher than 0 degree,
Water pump and Micropump circulating-heating pile are opened simultaneously, when stack temperature is lower than 0 degree, then opens PTC heating simultaneously.
In the present embodiment three, as shown in Figures 1 to 4, on the basis of embodiment one, two, when pile 1 is opened, detection
The temperature of pile 1；Compare the temperature of pile 1 and the size of multiple threshold temperatures, multiple threshold temperatures include first threshold temperature,
Second threshold temperature, first threshold temperature are greater than second threshold temperature；It is micro- when the temperature of pile 1 is higher than first threshold temperature
Pump circulation system opens refrigerating mode, cools down to pile 1, while absorbing storage heat；When the temperature of pile 1 is lower than first threshold
Temperature and be higher than second threshold temperature when, the Micropump circulatory system opens the temperature for stablizing pile 1；When the temperature of pile 1 is low
In second threshold temperature and when no longer increasing, the Micropump circulatory system opens heating mode.When pile 1 is closed, detection pile 1
Temperature；Compare the temperature of pile 1 and the size of multiple threshold temperatures, multiple threshold temperatures include first threshold temperature, the second threshold
It is worth temperature and third threshold temperature, first threshold temperature is greater than third threshold temperature, and third threshold temperature is greater than second threshold temperature
Degree；When the temperature of pile 1 is higher than first threshold, the Micropump circulatory system opens refrigerating mode, cools down to pile 1, absorbs simultaneously
Store heat；When the temperature of pile 1 is lower than first threshold temperature and is higher than third threshold temperature, the Micropump circulatory system is for steady
Determine the temperature of pile 1；When the temperature of pile 1 is lower than third threshold temperature and is higher than second threshold temperature, the Micropump circulatory system
Intermittently starting is used to stablize the temperature of pile 1；When the temperature of pile 1 is lower than second threshold temperature and no longer increases, Micropump is followed
Loop system is closed.Preferably, first threshold temperature is 80 DEG C；Second threshold temperature is 0 DEG C；Third threshold temperature is 5 DEG C.Such as figure
Shown in 4, the Micropump circulatory system is able to achieve heat preservation to pile 1 in varying environment temperature, and electricity can be kept under -10 DEG C of temperature
Heap 1 maintained 5 DEG C more than 24 hours, and pile 1 can be kept to maintain 5 DEG C more than 8 hours, in -30 DEG C of gas under -20 DEG C of temperature
5 DEG C of the maintenance of pile 1 can be kept more than 5.5 hours under temperature.
It should be noted that above-described embodiment can be freely combined as needed.The above is only of the invention preferred
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (8)
1. a kind of cold boot of fuel cell system with storage heater, including pile, the pile refers to a kind of energy conversion
Device, and the main cooling system for cooling down the pile, it is characterised in that:
It further include the Micropump circulatory system for protecting mild heat to the pile, the Micropump circulatory system includes Micropump, standby
With power supply and storage heater, the Micropump for controlling coolant liquid circulation, use when the pile is closed by the backup power source
In providing electric power to the Micropump, the storage heater is the pile, described micro- for absorbing storage heat and release heat
Pump and the storage heater connect to form the first circuit.
2. the cold boot of fuel cell system according to claim 1 with storage heater, it is characterised in that:
The storage heater is separated structure, including first end, heating sheet and the second end, the first end with it is described
The second end by the heating sheet clamp between, the first end is connect with the Micropump, the second end and
The main cooling system connection.
3. the cold boot of fuel cell system according to claim 2 with storage heater, it is characterised in that:
The first end is equipped with metal conducting strip and the first split cavity to be formed is isolated, and first split cavity is filled with phase
The first phase-change material that temperature is 70-80 DEG C；
The second end is equipped with metal conducting strip and the second split cavity to be formed is isolated, and second split cavity is filled with phase
The second phase-change material that temperature is 40-50 DEG C.
4. the cold boot of fuel cell system according to claim 3 with storage heater, it is characterised in that:
The first end is equipped with several metal conducting strips, is isolated first separation chamber to form several regions；
The second end is equipped with several metal conducting strips, is isolated second separation chamber to form several regions.
5. the cold boot of fuel cell system described according to claim 1~any one of 4 with storage heater, feature
It is:
The main cooling system includes deionizater and intercooler, the first end of the deionizater, the storage heater
And the intercooler is sequentially connected and is formed second branch, the second branch is attempted by the both ends of the pile.
6. the cold boot of fuel cell system according to claim 5 with storage heater, it is characterised in that:
The main cooling system further includes water pump, thermostat and radiator, the water pump, the thermostat and the radiator according to
Secondary connection simultaneously forms third branch, and water pump is connected to the deionizater far from one end of the thermostat in the third branch
One end far from the pile, radiator is connected to the one end of the pile far from the deionizater in the third branch.
7. the cold boot of fuel cell system according to claim 6 with storage heater, it is characterised in that:
The main cooling system further includes water supply tank, and the water supply tank, the radiator, the thermostat and the water pump are successively
It connects and forms series loop.
8. the cold boot of fuel cell system described according to claim 1~any one of 4 with storage heater, feature
It is:
Micropump switch is serially connected in the control terminal of the Micropump, the Micropump switch is also connect with the pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920146192.5U CN209374566U (en) | 2019-01-28 | 2019-01-28 | A kind of cold boot of fuel cell system with storage heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920146192.5U CN209374566U (en) | 2019-01-28 | 2019-01-28 | A kind of cold boot of fuel cell system with storage heater |
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| Publication Number | Publication Date |
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| CN209374566U true CN209374566U (en) | 2019-09-10 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931829A (en) * | 2019-12-06 | 2020-03-27 | 吉林大学 | Fuel cell cold start system with purging device and control method |
| CN111799485A (en) * | 2020-06-15 | 2020-10-20 | 武汉格罗夫氢能汽车有限公司 | Hydrogen fuel cell low-temperature starting system and heating method thereof |
| CN113506891A (en) * | 2021-08-06 | 2021-10-15 | 大连海事大学 | Modularized solid oxide fuel cell system |
| CN115000461A (en) * | 2022-06-10 | 2022-09-02 | 中国第一汽车股份有限公司 | Hydrogen fuel cell stack cold start system and low-temperature cold start control method |
| CN111799485B (en) * | 2020-06-15 | 2024-05-10 | 武汉格罗夫氢能汽车有限公司 | Hydrogen fuel cell low-temperature starting system and heating method thereof |
-
2019
- 2019-01-28 CN CN201920146192.5U patent/CN209374566U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931829A (en) * | 2019-12-06 | 2020-03-27 | 吉林大学 | Fuel cell cold start system with purging device and control method |
| CN111799485A (en) * | 2020-06-15 | 2020-10-20 | 武汉格罗夫氢能汽车有限公司 | Hydrogen fuel cell low-temperature starting system and heating method thereof |
| CN111799485B (en) * | 2020-06-15 | 2024-05-10 | 武汉格罗夫氢能汽车有限公司 | Hydrogen fuel cell low-temperature starting system and heating method thereof |
| CN113506891A (en) * | 2021-08-06 | 2021-10-15 | 大连海事大学 | Modularized solid oxide fuel cell system |
| CN115000461A (en) * | 2022-06-10 | 2022-09-02 | 中国第一汽车股份有限公司 | Hydrogen fuel cell stack cold start system and low-temperature cold start control method |
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