CN209561545U - A kind of fuel cell system of low temperature start and stop - Google Patents
A kind of fuel cell system of low temperature start and stop Download PDFInfo
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- CN209561545U CN209561545U CN201920398397.2U CN201920398397U CN209561545U CN 209561545 U CN209561545 U CN 209561545U CN 201920398397 U CN201920398397 U CN 201920398397U CN 209561545 U CN209561545 U CN 209561545U
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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
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Abstract
The utility model provides a kind of fuel cell system of low temperature start and stop, including fuel cell, air intake pipe, hydrogen gas pipeline；Fuel cell includes cathode chamber, anode chamber；It further include air outlet duct, hydrogen circulating line；It further include air except water loop, hydrogen dewatering circuit, the first triple valve, the second triple valve；The air includes the first molecular sieve, air except waterpipe except water loop；The hydrogen dewatering circuit includes the second molecular sieve, hydrogen dewatering pipeline；It further include air compressor machine, cooling device, regenerating molecular sieve pipeline, the first regeneration triple valve, the second regeneration triple valve, third triple valve, drainage pipeline.The fuel cell system of the low temperature start and stop of the utility model can efficiently and reliably remove excessive moisture in fuel cell, make fuel cell system stable operation.
Description
Technical field
The utility model relates to the technical field of fuel cell more particularly to a kind of fuel cell systems of low temperature start and stop
System.
Background technique
At present under the joint efforts of world scientists from all over the world, fuel cell car comes into technical identification later period, quotient
The early period of industry.And the one kind of Proton Exchange Membrane Fuel Cells as low-temperature fuel cell, have cleaning, energy conversion efficiency high
The advantages of be considered as the following power train in vehicle application optimal selection.
As power train in vehicle application, fuel cell system needs to cope with changeable environment, weather conditions, and fuel cell system
Started quickly at low temperature is that it is commercialized one of the characteristic that must be solved.The characteristic of its proton exchange membrane of Proton Exchange Membrane Fuel Cells
Determining that it needs the participation of water in the process of proton transfer, water is proton transfer essential condition, but when temperature is low
When 0 DEG C, excessive water can freeze, and hinder diffusion of the gas in diffusion layer and Catalytic Layer, cause system starting failure.
Currently, in industry there are mainly two types of the cold start-up strategies of solution water freezing: one is use gas before pile freezing
Body carries out water removal purge to pile, and the electrode in fuel cell is made to keep preferable water balance, so that pile is cold
Less solid ice is had no or only in cold environment to be formed, while guaranteeing that pile has enough liquid in the initial stage of cold-starting
The conduction of state water realization H+；Another, which is that starting is preceding, relies on the pre- thermoelectric pile of additional auxiliary thermal source, and stack temperature is made to rise to one
Temperature is determined, to avoid the Catalytic Layer that the initial stage of cold-starting does not have a large amount of ice or liquid water covers membrane electrode assembly
With blocking flow field.But the first strategy is difficult to determine water content in fuel cell, cannot achieve accurate control, needs excessive blow
It sweeps, efficiency is lower.Second of strategy needs to increase additional accessory power supply, has not only increased the volume and weight of system, but also increase
Cost, and need to consume additional fuel, reduce the economy of fuel.
Therefore, the existing technology has yet to be improved and developed.
Utility model content
The utility model embodiment provides a kind of fuel cell system of low temperature start and stop, can efficiently and reliably remove fuel
Excessive moisture in battery, makes fuel cell system stable operation.
The technical solution of the utility model is as follows:
A kind of fuel cell system of low temperature start and stop, including fuel cell, air intake pipe, hydrogen gas pipeline；Institute
Stating fuel cell includes cathode chamber, anode chamber, the entrance connection of the air intake pipe and cathode chamber, the hydrogen gas pipe
Road and the entrance of anode chamber connect；
It further include air outlet duct, hydrogen circulating line；The outlet of the entrance and cathode chamber of the air outlet duct
Connection, the entrance of the hydrogen circulating line and the outlet of anode chamber connect, the outlet of hydrogen circulating line and hydrogen gas pipe
Road connection；
It further include air except water loop, hydrogen dewatering circuit, the first triple valve, the second triple valve；The air removes water back
Road includes the first molecular sieve, air except waterpipe, and first triple valve is arranged on air outlet duct, and removes water with air
The entrance of pipeline connects, and the air is connect except the outlet of waterpipe with air intake pipe, and the first molecular sieve setting exists
Air is except on waterpipe；The hydrogen dewatering circuit includes the second molecular sieve, hydrogen dewatering pipeline, the second triple valve setting
It is connect on hydrogen circulating line, and with the entrance of hydrogen dewatering pipeline, the outlet of the hydrogen dewatering pipeline and hydrogen gas
Pipeline connection, second molecular sieve are arranged on hydrogen dewatering pipeline；
It further include air compressor machine, cooling device, regenerating molecular sieve pipeline, the first regeneration triple valve, the second regeneration triple valve, the
Three triple valves, drainage pipeline；Air is arranged in except the air between the outlet of waterpipe and the entrance of cathode chamber in the air compressor machine
On admission line；The cooling device is arranged on the air intake pipe between the outlet of air compressor machine and the entrance of cathode chamber；
The first regeneration triple valve is arranged on the air intake pipe between air compressor machine and cooling device；The second regeneration threeway
The air with the outlet connection of the first molecular sieve is arranged in except on waterpipe in valve；The regenerating molecular sieve pipeline includes two sections,
In a segment molecule sieve regeneration pipeline entrance with first regeneration triple valve connect, export connect with the entrance of the first molecular sieve, separately
The entrance of one segment molecule sieve regeneration pipeline is connect with the second regeneration triple valve, and outlet is connect with the entrance of the second molecular sieve；It is described
Third triple valve is arranged on the hydrogen dewatering pipeline that the outlet with the second molecular sieve connects, and connect with drainage pipeline.
The fuel cell system of the low temperature start and stop, wherein also set between the outlet and the second triple valve of anode chamber
There is hydrogen circulation device.
The fuel cell system of the low temperature start and stop, wherein air solenoid valve is equipped on air intake pipe.
The fuel cell system of the low temperature start and stop, wherein hydrogen solenoid valve is equipped on hydrogen gas pipeline.
The fuel cell system of the low temperature start and stop, wherein check valve is equipped on hydrogen gas pipeline.
The fuel cell system of the low temperature start and stop, wherein be equipped with first outlet electricity in the outlet of air outlet duct
Magnet valve is equipped with second outlet solenoid valve on drainage pipeline.
The fuel cell system of the low temperature start and stop, wherein it further include coolant liquid circulating line, the coolant liquid circulation
Pipeline includes cooling device cooling pipe, fuel cell cooling pipe；The cooling device includes air flow channel, cooling liquid stream
Road；The cooling device cooling pipe flows through the cooling liquid flowing channel of cooling device, and the fuel cell cooling pipe flows through fuel
Battery.
The utility model has the beneficial effects that the utility model provides a kind of fuel cell system of low temperature start and stop, can efficiently,
Excessive moisture in fuel cell is reliably removed, fuel cell system stable operation is made.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of the fuel cell system of the low temperature start and stop in the utility model embodiment.
Description of symbols: 1, air filter；2, air compressor machine；3, the first regeneration triple valve；4, cooling device；5, empty
Pneumoelectric magnet valve；6, the first triple valve；7, first outlet solenoid valve；8, the first molecular sieve；9, the second regeneration triple valve；10, hydrogen
Solenoid valve；11, check valve；12, hydrogen circulation device；13, the second triple valve；14, the second molecular sieve；15, third triple valve；
16, second outlet solenoid valve；17, air intake pipe；18, hydrogen gas pipeline；19, air outlet duct；20, hydrogen recycles
Pipeline；21, air removes waterpipe；22, hydrogen dewatering pipeline；23, regenerating molecular sieve pipeline；24, cathode chamber；25, anode chamber；
26, cooling device cooling pipe；27, fuel cell cooling pipe；28, fuel cell cooling liquid flowing channel.
Specific embodiment
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this
Novel limitation.
As shown in Figure 1, the utility model provides a kind of fuel cell system of low temperature start and stop, including fuel cell, air
Admission line 14, hydrogen gas pipeline 15.Fuel cell includes cathode chamber 19, anode chamber 20, air intake pipe 14 and cathode
The entrance of room 19 connects, and hydrogen gas pipeline 15 is connect with the entrance of anode chamber 20.
Fuel cell system further includes air outlet duct, hydrogen circulating line 19.The entrance and yin of air outlet duct
The outlet of pole room connects, and the entrance of hydrogen circulating line 19 and the outlet of anode chamber connect, the outlet of hydrogen circulating line 19 with
The connection of hydrogen gas pipeline.
Air enters in cathode chamber 19 by air intake pipe 14, and hydrogen enters anode chamber by hydrogen gas pipeline 15
In 20, the oxygen in air reacts in fuel cell with hydrogen, and remaining air is flowed out by air outlet duct, remaining
Hydrogen is back in hydrogen gas pipeline 15 by hydrogen circulating line 19.
The fuel cell of the utility model uses existing fuel cell, preferably Proton Exchange Membrane Fuel Cells.
In order to solve the problems, such as in fuel cell that dilutional hyponatremia is easy to freeze at low ambient temperatures, the utility model except through
Air outlet duct carries out the discharge of liquid water, also simultaneously by the way of absorption to water (especially air excessive in system
In moisture) be removed, specifically, fuel cell system further includes air except water loop, hydrogen dewatering circuit, the first threeway
Valve 6, the second triple valve 12.Air includes the first molecular sieve 8, air except waterpipe 16 except water loop, and the setting of the first triple valve 6 exists
On air outlet duct, and with air except the entrance of waterpipe 16 is connect, outlet and air intake duct of the air except waterpipe 16
Road 14 connects, and the setting of the first molecular sieve 8 is in air except on waterpipe 16.Hydrogen dewatering circuit includes the second molecular sieve 13, hydrogen
Except waterpipe 17, the setting of the second triple valve 12 is connect on hydrogen circulating line 19, and with the entrance of hydrogen dewatering pipeline 17, hydrogen
Gas is connect except the outlet of waterpipe 17 with hydrogen gas pipeline 15, and the second molecular sieve 13 is arranged on hydrogen dewatering pipeline 17.The
One molecular sieve 8, the second molecular sieve 13 are all made of the existing molecular sieve for having good adsorption effect to water.
After a certain period of use time due to molecular sieve, absorption property, mechanical performance can decay and aging, in order to ensure point
The adsorption effect of son sieve, the utility model can regenerate molecular sieve, specifically, fuel cell system further include air compressor machine 2,
Cooling device 4, regenerating molecular sieve pipeline 23, first regenerate triple valve 3, second and regenerate triple valve 9, third triple valve 15, draining
Pipeline；Air is arranged in except on the air intake pipe 17 between the outlet of waterpipe 21 and the entrance of cathode chamber 24 in air compressor machine 2；
The cooling device 4 is arranged on the air intake pipe 17 between the outlet of air compressor machine 2 and the entrance of cathode chamber 24；Described
One regeneration triple valve 3 is arranged on the air intake pipe 17 between air compressor machine 2 and cooling device 4；The second regeneration threeway
The air with the outlet connection of the first molecular sieve 8 is arranged in except on waterpipe 21 in valve 9；The regenerating molecular sieve pipeline 23 includes two
Section, wherein the entrance of segment molecule sieve regeneration pipeline 23 is connect with the first regeneration triple valve 3, outlet enters with the first molecular sieve 8
Mouth connection, the entrance and the second regeneration triple valve 9 of another segment molecule sieve regeneration pipeline 23 connect, export and the second molecular sieve 14
Entrance connection；The third triple valve 15 is arranged on the hydrogen dewatering pipeline 22 that the outlet with the second molecular sieve 14 connects, and
It is connect with drainage pipeline.When being removed water to fuel cell system, the first triple valve 6 access air remove waterpipe 16, second
Triple valve 12 accesses hydrogen dewatering pipeline 17；Air flows through the first regeneration triple valve 3, using cold after the heating of air compressor machine 2
But device 4 carries out entering cathode chamber 19 after a degree of cooling, the air flowed out from cathode chamber 19 by the first triple valve 6 into
Enter air except the first molecular sieve 8 on waterpipe 16, removes waterpipe after the first molecular sieve 8 is removed water, then through air
16 are back to the entrance of air compressor machine 2, and the air of a circulation is consequently formed except water loop.Hydrogen is entered by hydrogen gas pipeline 15
Anode chamber 20, the hydrogen flowed out from anode chamber 20 enter the second molecular sieve on hydrogen dewatering pipeline 17 by the second triple valve 12
13, it is back in hydrogen gas pipeline 15 after the second molecular sieve 13 is removed water, then through hydrogen dewatering pipeline 17, thus
Form the hydrogen dewatering circuit of a circulation.When fuel cell system needs to carry out regenerating molecular sieve, the first regeneration triple valve 3 is connect
Enter the entrance of wherein segment molecule sieve regeneration pipeline 23, the second regeneration triple valve 9 accesses another segment molecule sieve regeneration pipeline 23
Entrance, third triple valve 15 access drainage pipeline, and air is entered by the first regeneration triple valve 3 and divided after the heating of air compressor machine 2
Son sieve regeneration pipeline 18, high temperature air purges the first molecular sieve 8, the second molecular sieve 13, makes by the first molecular sieve 8, the
The water of two molecular sieves 13 absorption is taken away by high temperature air, and is discharged from drainage pipeline, achievees the effect that regenerating molecular sieve.
In the present invention, cooling device 4 is preferably intercooler.Cooling device 4 includes air flow channel, cooling liquid stream
Road.
Further, fuel cell system further includes coolant liquid circulating line, water circulating pump, and coolant liquid circulating line includes
Cooling device cooling pipe 21, fuel cell cooling pipe 22, fuel cell is interior to be equipped with fuel cell cooling liquid flowing channel 28, cooling
Device cooling pipe 21 flows through the cooling liquid flowing channel of cooling device 4, and fuel cell cooling pipe 22 flows through fuel cell coolant liquid
Runner 28, fuel cell cooling liquid flowing channel 28 quickly spread the heat that generation is reacted in fuel cell, water circulating pump with
The connection of coolant liquid circulating line, provides the power of circulation for coolant liquid.
In order to reinforce the circulation of hydrogen, the effect of hydrogen cycle purge water removal is improved, in the outlet and second of anode chamber 20
Hydrogen circulation device 11 is additionally provided between triple valve 12.In the present invention, hydrogen circulation device 11 is not limited to hydrogen
Circulating pump, can also be using the combination of injector or hydrogen gas circulating pump and injector.
It is controlled for the ease of flow, the flow velocity to the air for entering air intake pipe 14, in air intake pipe
14 be equipped with air solenoid valve 5, specifically, air solenoid valve 5 be arranged in cooling device 4 outlet and cathode chamber 24 entrance it
Between air intake pipe 17 on.
It is controlled for the ease of flow, the flow velocity to the hydrogen for entering hydrogen gas pipeline 15, in hydrogen gas pipeline
15 are equipped with hydrogen solenoid valve 9.
Hydrogen gas leakage in order to prevent is equipped with check valve 10 on hydrogen gas pipeline 15, and specifically, the setting of check valve 10 exists
On the hydrogen gas pipeline 18 of the outlet connection of hydrogen solenoid valve 9.
It is controlled for the ease of flow, the flow velocity to air outlet duct, drainage pipeline, in going out for air outlet duct
Mouth is equipped with first outlet solenoid valve 7, and second outlet solenoid valve is equipped on drainage pipeline.
Further, air filter 1 is equipped in the inlet of air intake pipe 14.
The operational process of the fuel cell system of the low temperature start and stop of the utility model is as follows, with 1 100kW (rated current
Density is 1A/cm2) water cooling proton exchange film fuel battery system for be illustrated:
(1) initial start: the first regeneration triple valve 3 accesses the entrance of cooling device 4, and the first triple valve 6 access air goes out
Mouth pipeline, the second regeneration triple valve 9 access air and remove waterpipe 21, and the second triple valve 12 accesses hydrogen circulating line 19, at 0 DEG C
The above starting fluid battery system；
Water circulating pump is opened, water circulating pump is run with minimum speed, is passed through hydrogen after 1s again, hydrogen is supplied with maximum stream flow
No more than 1s, then with 100mA/cm2Hydrogen flowing quantity under current density is supplied, and air compressor machine 2 starts and with maximum at this time
After revolving speed (i.e. air is supplied with maximum stream flow) runs 1s, restore to 100mA/cm2Air mass flow, hydrogen stream under current density
Amount is supplied.
Hydrogen is recycled after hydrogen solenoid valve 9, check valve 10, hydrogen gas pipeline 15 enter anode chamber 20 by hydrogen
Device 11, the second triple valve 12 are back to hydrogen gas pipeline 15；Air is after air filter 1, air compressor machine 2, temperature
130 DEG C or so are risen to, enters intercooler using the first regeneration triple valve 3, after circulating water, air themperature is down to
70 DEG C or so, pass through the first triple valve 6, air outlet duct, first outlet after entering cathode chamber 19 using air solenoid valve 5
Solenoid valve 7 is discharged；The every 5s of first outlet solenoid valve 7 opens 1 time, every time lasting 1s；According to 5kW/s in follow-up system operational process
Variable load rate change air mass flow, hydrogen flowing quantity.
(2) it shuts down: closing fuel cell, fuel cell system acquires ambient temperature by temperature sensor.
When 5 DEG C of ambient temperature >, water circulating pump is opened, at the same by the revolving speed of air compressor machine 2 be adjusted to it is maximum (air with
Maximum stream flow supply), hydrogen supplied with maximum stream flow, air compressor machine 2, hydrogen circulation device 11, water circulating pump are closed after 1s, after 1s
Close air solenoid valve 5, hydrogen solenoid valve 9, first outlet solenoid valve 7.
When ambient temperature≤5 DEG C, water circulating pump is opened, at the same by the revolving speed of air compressor machine 2 be adjusted to it is maximum (air with
Maximum stream flow supply), hydrogen supplied with maximum stream flow, closed after 1s all in addition to air compressor machine 2, hydrogen circulation device 11
Pump；First triple valve 6 accesses air and removes waterpipe 21, and the second regeneration triple valve 9 accesses air and removes waterpipe 21, the second triple valve
12 access hydrogen dewatering pipelines 22, third triple valve 15 access hydrogen dewatering pipeline 22, and time >=30s of cycle purge is closed
Hydrogen circulation device 11；First regeneration triple valve 3 is accessed to the entrance of wherein segment molecule sieve regeneration pipeline 18, the second regeneration three
Port valve 9 accesses another segment molecule sieve regeneration pipeline 23, and third triple valve 15 accesses drainage pipeline, the second outlet on drainage pipeline
Solenoid valve 16 open, time >=30s of high-temperature blowing, close air solenoid valve 5, hydrogen solenoid valve 9, first outlet solenoid valve 7,
Second outlet solenoid valve 16.
(3) starting next time:
When 0 DEG C of ambient temperature >, execute above-mentioned (1)；
When ambient temperature≤0 DEG C, it is not turned on water circulating pump, the first regeneration triple valve 3 accesses entering for cooling device 4
Mouthful, the first triple valve 6 accesses air outlet duct, and the second triple valve 12 accesses hydrogen circulating line 19；Be passed through hydrogen, hydrogen with
After maximum stream flow supply is no more than 1s, then with 50mA/cm2Hydrogen flowing quantity under current density is supplied, and air compressor machine 2 opens at this time
After moving and running 1s with maximum (top) speed (i.e. air is supplied with maximum stream flow), restore to 50mA/cm2Air stream under current density
Amount is supplied；Hydrogen passes through hydrogen after hydrogen solenoid valve 9, check valve 10, hydrogen gas pipeline 15 enter anode chamber 20
Circulator 11, the second triple valve 12 are back to hydrogen gas pipeline 15；Air after air filter 1, air compressor machine 2,
Temperature rises to 130 DEG C or so, enters intercooler, after circulating water, air themperature using the first regeneration triple valve 3
70 DEG C or so are down to, passes through the first triple valve 6, air outlet duct, first after entering cathode chamber 19 using air solenoid valve 5
Outlet solenoid valve 7 is discharged；The every 2s of first outlet solenoid valve 7 opens 1 time, every time lasting 1s；Until the temperature > 0 in fuel cell
DEG C, air mass flow, hydrogen flowing quantity are changed with the variable load rate of 1kW/s in follow-up system operational process；Until temperature in fuel cell
>=25 DEG C of degree, opens water circulating pump, and follow-up system changes air mass flow, hydrogen flowing quantity according to the variable load rate of 5kW/s.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the utility model.In this explanation
In book, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
Although above preferred embodiment is not used in conclusion the utility model is disclosed above with preferred embodiment
To limit the utility model, those skilled in the art can make without departing from the spirit and scope of the utility model
It is various to change and retouch, therefore the protection scope of the utility model subjects to the scope of the claims.
Claims (7)
1. a kind of fuel cell system of low temperature start and stop, which is characterized in that including fuel cell, air intake pipe, hydrogen into
Feed channel；The fuel cell includes cathode chamber, anode chamber, and the entrance connection of the air intake pipe and cathode chamber is described
Hydrogen gas pipeline and the entrance of anode chamber connect；
It further include air outlet duct, hydrogen circulating line；The outlet of the entrance and cathode chamber of the air outlet duct connects,
The entrance of the hydrogen circulating line and the outlet of anode chamber connect, and the outlet of hydrogen circulating line and hydrogen gas pipeline connect
It connects；
It further include air except water loop, hydrogen dewatering circuit, the first triple valve, the second triple valve；The air removes water loop packet
The first molecular sieve, air are included except waterpipe, first triple valve is arranged on air outlet duct, and removes waterpipe with air
Entrance connection, the air connect except the outlet of waterpipe with air intake pipe, and the first molecular sieve setting is in air
Except on waterpipe；The hydrogen dewatering circuit includes the second molecular sieve, hydrogen dewatering pipeline, and second triple valve is arranged in hydrogen
It on gas circulating line, and is connect with the entrance of hydrogen dewatering pipeline, the outlet of the hydrogen dewatering pipeline and hydrogen gas pipeline
Connection, second molecular sieve are arranged on hydrogen dewatering pipeline；
It further include air compressor machine, cooling device, regenerating molecular sieve pipeline, the first regeneration triple valve, the second regeneration triple valve, the three or three
Port valve, drainage pipeline；Air is arranged in except the air inlet between the outlet of waterpipe and the entrance of cathode chamber in the air compressor machine
On pipeline；The cooling device is arranged on the air intake pipe between the outlet of air compressor machine and the entrance of cathode chamber；It is described
First regeneration triple valve is arranged on the air intake pipe between air compressor machine and cooling device；The second regeneration triple valve is set
The air in the outlet connection with the first molecular sieve is set except on waterpipe；The regenerating molecular sieve pipeline includes two sections, wherein one
The entrance of segment molecule sieve regeneration pipeline is connect with the first regeneration triple valve, and outlet is connect with the entrance of the first molecular sieve, Ling Yiduan
The entrance of regenerating molecular sieve pipeline is connect with the second regeneration triple valve, and outlet is connect with the entrance of the second molecular sieve；The third
Triple valve is arranged on the hydrogen dewatering pipeline that the outlet with the second molecular sieve connects, and connect with drainage pipeline.
2. the fuel cell system of low temperature start and stop according to claim 1, which is characterized in that in the outlet and the of anode chamber
Hydrogen circulation device is additionally provided between two triple valves.
3. the fuel cell system of low temperature start and stop according to claim 1, which is characterized in that set on air intake pipe
There is air solenoid valve.
4. the fuel cell system of low temperature start and stop according to claim 1, which is characterized in that set on hydrogen gas pipeline
There is hydrogen solenoid valve.
5. the fuel cell system of low temperature start and stop according to claim 1, which is characterized in that set on hydrogen gas pipeline
There is check valve.
6. the fuel cell system of low temperature start and stop according to claim 1, which is characterized in that in going out for air outlet duct
Mouth is equipped with first outlet solenoid valve, and second outlet solenoid valve is equipped on drainage pipeline.
7. the fuel cell system of low temperature start and stop according to claim 1, which is characterized in that further include coolant liquid circulation pipe
Road, the coolant liquid circulating line include cooling device cooling pipe, fuel cell cooling pipe；The cooling device includes sky
Flow channel, cooling liquid flowing channel；The cooling device cooling pipe flows through the cooling liquid flowing channel of cooling device, and the fuel cell is cold
But pipeline flows through fuel cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398397.2U CN209561545U (en) | 2019-03-27 | 2019-03-27 | A kind of fuel cell system of low temperature start and stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398397.2U CN209561545U (en) | 2019-03-27 | 2019-03-27 | A kind of fuel cell system of low temperature start and stop |
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| CN209561545U true CN209561545U (en) | 2019-10-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786790A (en) * | 2019-03-27 | 2019-05-21 | 佛山市清极能源科技有限公司 | A kind of fuel cell system and its control method of low temperature start and stop |
| CN112349930A (en) * | 2020-11-27 | 2021-02-09 | 福建亚南电机有限公司 | Fuel cell system and anode control method |
| CN112582649A (en) * | 2020-12-16 | 2021-03-30 | 东风汽车集团有限公司 | Electric pile heating device and fuel cell system grading control method |
-
2019
- 2019-03-27 CN CN201920398397.2U patent/CN209561545U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786790A (en) * | 2019-03-27 | 2019-05-21 | 佛山市清极能源科技有限公司 | A kind of fuel cell system and its control method of low temperature start and stop |
| CN109786790B (en) * | 2019-03-27 | 2024-02-23 | 佛山市清极能源科技有限公司 | Fuel cell system capable of being started and stopped at low temperature and control method thereof |
| CN112349930A (en) * | 2020-11-27 | 2021-02-09 | 福建亚南电机有限公司 | Fuel cell system and anode control method |
| CN112582649A (en) * | 2020-12-16 | 2021-03-30 | 东风汽车集团有限公司 | Electric pile heating device and fuel cell system grading control method |
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