CN109921067B - Fuel cell sectionalized cold start system - Google Patents
Fuel cell sectionalized cold start system Download PDFInfo
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- CN109921067B CN109921067B CN201910328572.5A CN201910328572A CN109921067B CN 109921067 B CN109921067 B CN 109921067B CN 201910328572 A CN201910328572 A CN 201910328572A CN 109921067 B CN109921067 B CN 109921067B
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- cooling liquid
- pipeline
- fuel cell
- control device
- valve
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- 239000000446 fuel Substances 0.000 title claims abstract description 79
- 239000000110 cooling liquid Substances 0.000 claims abstract description 138
- 239000002826 coolant Substances 0.000 claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000126 substance Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Fuel Cell (AREA)
Abstract
The invention discloses a novel starting mode capable of starting a fuel cell section by section through a cooling liquid control device and an electromagnetic valve, and aims to solve the problem of slow cold start of a fuel cell automobile. The invention is composed of an air pump, an electromagnetic valve a, an electromagnetic valve b, an air pipeline, a fuel cell a, a fuel cell b, a cooling liquid pipeline, a cooling liquid control device a, a cooling liquid control device b, a water tank, a temperature sensor, a cooling liquid main pipeline, a water pump and an electric heater; the coolant pipeline connects the fuel cell a, the fuel cell b, the coolant control device a and the coolant control device b together, and the thermal expansion substances in the coolant control device a and the coolant control device b respectively control the flow directions of the coolant flowing out of the fuel cell a and the coolant flowing out of the coolant control device b through the control main valve and the auxiliary valve, so that coolant circulation with different paths is performed, and the purposes of improving the cold start speed of the fuel cell automobile and saving energy are achieved.
Description
Technical Field
The invention relates to the field of fuel cells, in particular to a novel starting mode capable of starting a cell panel section by section through a cooling liquid control device and an electromagnetic valve.
Background
With the development of automobile technology and the increasing decrease of petroleum, fuel cells have been increasingly adopted as new power for automobiles. Fuel cells have the advantages of no pollution, high efficiency, high energy ratio, and challenges in reliability, durability, cost, and the like. In addition to these problems, cold start of the fuel cell is one of its important challenges. At present, the cold start of the fuel cell under low temperature mainly uses direct current cell heating, hot air blowing, fuel burning and heat release on the surface of the catalytic layer, etc. to achieve the heating purpose, and the traditional fuel cell is used for heating the whole at the beginning, thus reducing the starting speed and economy of the automobile.
The adoption of a sectional starting mode can:
1. the starting speed of the system is prolonged by avoiding a single temperature rising method.
2. The fuel cell is started in blocks to accelerate the starting speed of the automobile.
3. The energy utilization rate and the economical efficiency of the system are improved.
Disclosure of Invention
The invention aims to solve the problem of slow cold start of a fuel cell automobile, and achieves the aim of sectional start of the fuel cell by adopting a cooling liquid control device and a solenoid valve, thereby improving the starting speed of the automobile and the heat efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme:
the fuel cell sectionalized cold start system comprises an air pump 1, an electromagnetic valve a2, an electromagnetic valve b3, an air pipeline 4, a fuel cell a5, a cooling liquid pipeline a6, a cooling liquid pipeline b7, a cooling liquid pipeline c8, a cooling liquid control device a9, a cooling liquid pipeline d10, a water tank 11, a cooling liquid pipeline e12, a temperature sensor 13, a cooling liquid main pipeline 14, a cooling liquid control device b15, a cooling liquid pipeline f16, a water pump 17, an electric heater 18 and a fuel cell b 19. One end of the air pipeline 4 is communicated with the outside, the other end of the air pipeline is divided into two branches, one branch is connected with the fuel cell b19 through the electromagnetic valve a2, the other branch is connected with the fuel cell a5 through the electromagnetic valve b3, and the air pump 1 is connected in series on the branch; the cooling liquid control device b15 is positioned at the junction of the cooling liquid pipeline a6, the cooling liquid pipeline f16 and the cooling liquid pipeline b7, the upper bracket through hole 22 of the cooling liquid control device b15 is communicated with the cooling liquid pipeline f16, the lower bracket through hole 37 is communicated with the cooling liquid pipeline a6, and the auxiliary valve 33 is arranged at the inlet of the cooling liquid pipeline b7; one end of the cooling liquid pipeline a6 is connected with the fuel cell b19, and the other end is connected with the cooling liquid control device b 15; one end of the cooling liquid pipeline b7 is connected with the cooling liquid control device b15, and the other end is connected with the fuel cell a5, and a temperature sensor 13 is arranged on the cooling liquid pipeline b; one end of the cooling liquid pipeline f16 is connected with the cooling liquid control device b15, and the other end is connected with the cooling liquid main pipeline 14; the cooling liquid control device a9 is positioned at the junction of the cooling liquid pipeline c8, the cooling liquid pipeline d10 and the cooling liquid pipeline e12, meanwhile, an upper bracket through hole 22 of the cooling liquid control device a9 is communicated with the cooling liquid pipeline e12, a lower bracket through hole 37 is communicated with the cooling liquid pipeline c8, and a secondary valve 33 is arranged at the inlet of the cooling liquid pipeline d10; one end of the cooling liquid pipeline c8 is connected with the fuel cell a5, and the other end is connected with the cooling liquid control device a 9; one end of a cooling liquid pipeline d10 is connected with a cooling liquid control device a9, and the other end is connected with a water tank 11; one end of the cooling liquid pipeline e12 is connected with the cooling liquid control device a9, and the other end is connected with the cooling liquid main pipeline 14; the cooling liquid main pipe 14 is also connected with the water tank 11 and the fuel cell b19, and is connected with the water pump 17 and the electric heater 18 in series.
The cooling liquid control device a9 in the fuel cell segmented cold start system consists of a cylindrical pin a20, an upper bracket 21, an upper bracket through hole 22, a cylindrical pin b23, a central rod 24, a bolt a25, a sealing gasket a26, a main valve 27, a lower bracket 28, a spring 29, a sealing gasket b30, a bolt b31, a valve hole 32, a secondary valve 33, a limit nut 34, a thermal expansion substance 35, a tank 36 and a lower bracket through hole 37. One end of the central rod 24 is connected with the upper bracket 21 through a cylindrical pin b23, and the other end of the central rod passes through a hole formed in the main valve 27 and the tank 36 and is connected with a limit nut 34; the main valve 27 is connected with the auxiliary valve 33 through threads; the tank 36 is installed in the cavity formed by the main valve 27 and the auxiliary valve 33, and is internally provided with a thermal expansion substance 35; the upper bracket 21 and the lower bracket 28 are connected together through a cylindrical pin a 20; the spring 29 is arranged between the lower bracket 28 and the auxiliary valve 33 to play a return role; the sealing gasket a26 is fixed on the main valve 27 by a bolt a25, and the sealing gasket b30 is fixed on the auxiliary valve 33 by a bolt b 32; the sub valve 33 is provided with a valve hole 32.
The working process of the device is as follows:
when the vehicle is cold started, the water pump 17 starts to operate, the coolant starts to circulate, the low-temperature coolant is heated by the electric heater 18 and flows to the fuel cell b19, the electromagnetic valve a2 is opened, the air pump 1 starts to operate, and the fuel cell b19 starts to operate by charging air (hydrogen is normally on) into the fuel cell b 19. The coolant flowing out of the fuel cell b19 flows to the coolant control device b15 through the coolant line a6, flows to the inside of the coolant control device b15 from the lower bracket through hole 37 of the lower bracket 28, flows to the coolant line f16 from the main valve 27 through the upper bracket through hole 22 of the upper bracket 21 if the temperature of the coolant is low, and is pumped back to the fuel cell b19 through the water pump 17 for small circulation; when the temperature of the cooling liquid reaches the temperature at which the thermal expansion material 35 reacts, the thermal expansion material 35 in the cooling liquid control device b15 begins to expand, the main valve 27 is pushed to move towards the upper bracket 21, the main valve 27 is closed, the auxiliary valve 33 is driven to move towards the same direction, the auxiliary valve 33 is opened, and the cooling liquid flows to the fuel cell a5 through the pipeline b 7. In the process that the high-temperature cooling liquid flows to the fuel cell a5 through the cooling liquid pipeline b7, the temperature sensor 13 receives a high-temperature signal, the electromagnetic valve b3 is controlled to be opened, the fuel cell a5 is filled with air, and the fuel cell a5 starts to work.
The coolant flowing out of the fuel cell a5 flows to the coolant control device a9 through the coolant pipe c8, flows to the inside of the water temperature control device a9 from the lower bracket through hole 37 of the lower bracket 28, flows to the coolant pipe e12 from the main valve 27 through the upper bracket through hole 22 of the upper bracket 21 if the temperature of the coolant is low, and is pumped back to the fuel cell b19 through the water pump 17 for small circulation; if the temperature of the cooling liquid is too high, the temperature of the cooling liquid reaches the temperature at which the thermal expansion material 35 reacts, the thermal expansion material 35 in the cooling liquid control device a9 is heated and expanded, the main valve 27 is pushed to move towards the upper bracket 21, the main valve 27 is closed, the auxiliary valve 33 is driven to move towards the same direction, the auxiliary valve 33 is opened, and the cooling liquid flows to the water tank 11 through the pipeline d10 for large circulation.
Compared with the prior art, the invention has the beneficial effects that:
1. the sectional starting mode achieves the temperature required by the battery operation through preheating of water, achieves the purpose of energy conservation, and is good in economy.
2. The sectional type starting mode adopts a sectional type starting mode of two battery plates, so that the starting speed is higher, and the battery utilization rate is higher.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a system diagram of a fuel cell vehicle segment cold start in accordance with the present invention;
fig. 2 is an enlarged view of a coolant control device a9 for a fuel cell vehicle segment cold start according to the present invention;
in the figure: 1. air pump, 2, solenoid valve a, 3, solenoid valve b, 4, air line, 5, fuel cell a, 6, coolant line a, 7, coolant line b, 8, coolant line c, 9, coolant control device a, 10, coolant line d, 11, water tank, 12, coolant line e, 13, temperature sensor, 14, coolant header, 15, coolant control device b, 16, coolant line f, 17, water pump, 18, electric heater, 19, fuel cell b, 20, cylindrical pin a, 21, upper bracket, 22, upper bracket through hole, 23, cylindrical pin b, 24, center pin, 25, bolt a, 26, gasket a, 27, main valve, 28, lower bracket, 29, spring, 30, gasket b, 31, bolt b, 32, valve hole, 33, auxiliary valve, 34, stop nut, 35, thermal expansion material, 36, tank body, 37, lower bracket through hole.
Detailed Description
The invention is described in detail below with reference to fig. 1-2:
referring to fig. 1:
the fuel cell sectionalized cold start system consists of an air pump 1, an electromagnetic valve a2, an electromagnetic valve b3, an air pipeline 4, a fuel cell a5, a cooling liquid pipeline a6, a cooling liquid pipeline b7, a cooling liquid pipeline c8, a cooling liquid control device a9, a cooling liquid pipeline d10, a water tank 11, a cooling liquid pipeline e12, a temperature sensor 13, a cooling liquid main pipeline 14, a cooling liquid control device b15, a cooling liquid pipeline f16, a water pump 17, an electric heater 18 and a fuel cell b 19.
One end of the air pipeline 4 is communicated with the outside, the other end of the air pipeline is divided into two branches, one branch is connected with the fuel cell b19 through the electromagnetic valve a2, the other branch is connected with the fuel cell a5 through the electromagnetic valve b3, and the air pump 1 is connected in series on the branch. Wherein the air pump 1 provides the motive force for the device to inhale air; the opening moments of the two electromagnetic valves are respectively as follows: when the electromagnetic valve a2 is simultaneously opened and the water temperature is too high during cold starting of the automobile, the temperature sensor 13 transmits a signal to the ECU to control the electromagnetic valve b3 to be opened;
the coolant control device b15 is located at the junction of the coolant line a6, the coolant line f16 and the coolant line b7, and the upper bracket through hole 22 of the coolant control device b15 is communicated with the coolant line f16, the lower bracket through hole 37 is communicated with the coolant line a6, and the auxiliary valve 33 is arranged at the inlet of the coolant line b 7. The coolant control device b15 mainly controls the directions of coolant in the coolant pipeline a6, the coolant pipeline f16 and the coolant pipeline b7, and if the water temperature is high and reaches the working temperature of the thermal expansion material 35, the coolant flowing out of the coolant pipeline a6 flows into the coolant pipeline b7 through the coolant control device b 15; if the water temperature is low, the coolant flowing out of the coolant line a6 flows to the coolant line f16 through the coolant control device b 15;
one end of the cooling liquid pipeline a6 is connected with the fuel cell b19, and the other end is connected with the cooling liquid control device b 15;
one end of the coolant line b7 is connected to the coolant control device b15, one end is connected to the fuel cell a5, and the temperature sensor 13 is mounted on the coolant line b7;
one end of the cooling liquid pipeline f16 is connected with the cooling liquid control device b15, and the other end is connected with the cooling liquid main pipeline 14;
the cooling liquid control device a9 is located at the junction of the cooling liquid pipeline c8, the cooling liquid pipeline d10 and the cooling liquid pipeline e12, meanwhile, the upper bracket through hole 22 of the cooling liquid control device a9 is communicated with the cooling liquid pipeline e12, the lower bracket through hole 37 is communicated with the cooling liquid pipeline c8, and the auxiliary valve 33 is arranged at the inlet of the cooling liquid pipeline d 10. The coolant control device a9 mainly controls the directions of coolant in the coolant pipeline c8, the coolant pipeline d10 and the coolant pipeline e12, and if the water temperature is high and reaches the working temperature of the thermal expansion material 35, the coolant flowing out of the coolant pipeline c8 flows into the coolant pipeline e12 through the coolant control device a 9; if the water temperature is low, the coolant flowing out of the coolant line c8 flows to the coolant line d10 through the water temperature control device a 9;
one end of the cooling liquid pipeline c8 is connected with the fuel cell a5, and the other end is connected with the water temperature control device a 9;
one end of a cooling liquid pipeline d10 is connected with a water temperature control device a9, and the other end is connected with a water tank 11;
one end of the cooling liquid pipeline e12 is connected with the water temperature control device a9, and the other end is connected with the cooling liquid main pipeline 14;
the cooling liquid main pipe 14 is also connected with the water tank 11 and the fuel cell b19, and is connected with the water pump 17 and the electric heater 18 in series. The water pump 17 provides power for the flow of the cooling liquid of the fuel cell segmented cold start system; the electric heater 18 provides a temperature required at the time of preliminary start-up of the automobile by heating the coolant.
Referring to fig. 2:
the cooling liquid control device a9 in the fuel cell segmented cold start system consists of a cylindrical pin a20, an upper bracket 21, an upper bracket through hole 22, a cylindrical pin b23, a center rod 24, a bolt a25, a sealing gasket a26, a main valve 27, a lower bracket 28, a spring 29, a sealing gasket b30, a bolt b31, a valve hole 32, an auxiliary valve 33, a limit nut 34, a thermal expansion substance 35, a tank 36 and a lower bracket through hole 37.
One end of the central rod 24 is connected with the upper bracket 21 through a cylindrical pin b23, and the other end of the central rod passes through a hole formed in the main valve 27 and the tank 36 and is connected with a limit nut 34; cylindrical pin b23 acts in concert with stop nut 34 to prevent center rod 24 from moving;
the main valve 27 is sleeved on the central rod 24, and the main valve 27 is connected with the auxiliary valve 33 through threads;
the tank 36 is arranged in the cavity formed by the main valve 27 and the auxiliary valve 33, and the tank 36 is filled with a thermal expansion substance 35;
the upper bracket 21 and the lower bracket 28 are connected together through a cylindrical pin a 20;
the spring 29 is arranged between the lower bracket 28 and the auxiliary valve 33 to play a return role;
the sealing gasket a26 is fixed on the main valve 27 by a bolt a25, and the sealing gasket b30 is fixed on the auxiliary valve 33 by a bolt b32 to play a sealing role;
the auxiliary valve 33 is provided with a valve hole 32 for reducing pressure.
Referring to fig. 1,2:
the specific working process of the fuel cell automobile sectional cold start system is as follows by combining the components of the device and the installation position relation of the components:
when the vehicle is cold started, the water pump 17 starts to operate, the coolant starts to circulate, the low-temperature coolant is heated by the electric heater 18 and flows to the fuel cell b19, the electromagnetic valve a2 is opened, the air pump 1 starts to operate, and the fuel cell b19 starts to operate by charging air (hydrogen is normally on) into the fuel cell b 19. The coolant flowing out of the fuel cell b19 flows to the coolant control device b15 through the coolant line a6, flows to the inside of the coolant control device b15 from the lower bracket through hole 37 of the lower bracket 28, flows to the coolant line f16 from the main valve 27 through the upper bracket through hole 22 of the upper bracket 21 if the temperature of the coolant is low, and is pumped back to the fuel cell b19 through the water pump 17 for small circulation; if the temperature of the cooling liquid is too high, the temperature of the cooling liquid reaches the temperature at which the thermal expansion material 35 reacts, the thermal expansion material 35 in the cooling liquid control device b15 begins to expand, the main valve 27 is pushed to move towards the upper bracket 21, the main valve 27 is closed, the auxiliary valve 33 is driven to move towards the same direction, the auxiliary valve 33 is opened, and the cooling liquid flows to the fuel cell a5 through the pipeline b 7. In the process that the high-temperature cooling liquid flows to the fuel cell a5 through the cooling liquid pipeline b7, the temperature sensor 13 receives a high-temperature signal, the electromagnetic valve b3 is controlled to be opened, the fuel cell a5 is filled with air, and the fuel cell a5 starts to work.
The coolant flowing out of the fuel cell a5 flows to the coolant control device a9 through the coolant pipe c8, flows to the inside of the water temperature control device a9 from the lower bracket through hole 37 of the lower bracket 28, flows to the coolant pipe e12 from the main valve 27 through the upper bracket through hole 22 of the upper bracket 21 if the temperature of the coolant is low, and is pumped back to the fuel cell b19 through the water pump 17 for small circulation; if the temperature of the cooling liquid is too high, the temperature of the cooling liquid reaches the temperature at which the thermal expansion material 35 reacts, the thermal expansion material 35 in the cooling liquid control device a9 is heated and expanded, the main valve 27 is pushed to move towards the upper bracket 21, the main valve 27 is closed, the auxiliary valve 33 is driven to move towards the same direction, the auxiliary valve 33 is opened, and the cooling liquid flows to the water tank 11 through the pipeline d10 for large circulation.
Claims (3)
1. The fuel cell sectionalized cold start system is characterized by comprising an air pump (1), an electromagnetic valve a (2), an electromagnetic valve b (3), an air pipeline 4, a fuel cell a (5), a cooling liquid pipeline a (6), a cooling liquid pipeline b (7), a cooling liquid pipeline c (8), a cooling liquid control device a (9), a cooling liquid pipeline d (10), a water tank (11), a cooling liquid pipeline e (12), a temperature sensor (13), a cooling liquid main pipeline (14), a cooling liquid control device b (15), a cooling liquid pipeline f (16), a water pump (17), an electric heater (18) and a fuel cell b (19); one end of the air pipeline (4) is communicated with the outside, the other end of the air pipeline is divided into two branches, one branch is connected with the fuel cell b (19) through the electromagnetic valve a (2), the other branch is connected with the fuel cell a (5) through the electromagnetic valve b (3), and the air pump (1) is connected in series on the branch; the cooling liquid control device b (15) is positioned at the intersection of the cooling liquid pipeline a (6), the cooling liquid pipeline f (16) and the cooling liquid pipeline b (7), an upper bracket through hole (22) of the cooling liquid control device b (15) is communicated with the cooling liquid pipeline f (16), a lower bracket through hole (37) is communicated with the cooling liquid pipeline a (6), and a secondary valve (33) is arranged at the inlet of the cooling liquid pipeline b (7); one end of the cooling liquid pipeline a (6) is connected with the fuel cell b (19), and the other end is connected with the cooling liquid control device b (15); one end of a cooling liquid pipeline b (7) is connected with a cooling liquid control device b (15), and the other end is connected with a fuel cell a (5), and a temperature sensor (13) is arranged on the cooling liquid pipeline b; one end of a cooling liquid pipeline f (16) is connected with a cooling liquid control device b (15), and the other end is connected with a cooling liquid main pipeline (14); the cooling liquid control device a (9) is positioned at the intersection of the cooling liquid pipeline c (8), the cooling liquid pipeline d (10) and the cooling liquid pipeline e (12), meanwhile, an upper bracket through hole (22) of the cooling liquid control device a (9) is communicated with the cooling liquid pipeline e (12), a lower bracket through hole (37) is communicated with the cooling liquid pipeline c (8), and a secondary valve (33) is arranged at the inlet of the cooling liquid pipeline d (10); one end of a cooling liquid pipeline c (8) is connected with the fuel cell a (5), and the other end is connected with a cooling liquid control device a (9); one end of a cooling liquid pipeline d (10) is connected with a cooling liquid control device a (9), and the other end is connected with a water tank (11); one end of a cooling liquid pipeline e (12) is connected with a cooling liquid control device a (9), and the other end is connected with a cooling liquid main pipeline (14); the cooling liquid main pipeline (14) is also connected with the water tank (11), the fuel cell b (19) and is connected with the water pump (17) and the electric heater (18) in series.
2. The fuel cell segment cold start system according to claim 1, characterized in that the coolant control device a (9) is composed of a cylindrical pin a (20), an upper bracket (21), an upper bracket through hole (22), a cylindrical pin b (23), a center rod (24), a bolt a (25), a gasket a (26), a main valve (27), a lower bracket (28), a spring (29), a gasket b (30), a bolt b (31), a valve hole (32), a sub valve (33), a limit nut (34), a thermal expansion substance (35), a tank (36), and a lower bracket through hole (37); one end of the central rod (24) is connected with the upper bracket (21) through a cylindrical pin b (23), and the other end of the central rod passes through a hole formed in the main valve (27) and the tank body (36) and is connected with a limit nut (34); the main valve (27) is connected with the auxiliary valve (33) through threads; the tank body (36) is arranged in a cavity formed by the main valve (27) and the auxiliary valve (33), and is internally provided with a thermal expansion substance (35); the upper bracket (21) and the lower bracket (28) are connected together through a cylindrical pin a (20); the spring (29) is arranged between the lower bracket (28) and the auxiliary valve (33) to play a return role; the sealing gasket a (26) is fixed on the main valve (27) by a bolt a (25), and the sealing gasket b (30) is fixed on the auxiliary valve (33) by a bolt b (31); the auxiliary valve (33) is provided with a valve hole (32).
3. The fuel cell segment cold start system according to claim 1, wherein said coolant control means b (15) is constructed identically to said coolant control means a (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328572.5A CN109921067B (en) | 2019-04-23 | 2019-04-23 | Fuel cell sectionalized cold start system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328572.5A CN109921067B (en) | 2019-04-23 | 2019-04-23 | Fuel cell sectionalized cold start system |
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| CN109921067A CN109921067A (en) | 2019-06-21 |
| CN109921067B true CN109921067B (en) | 2023-12-12 |
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| CN201910328572.5A Active CN109921067B (en) | 2019-04-23 | 2019-04-23 | Fuel cell sectionalized cold start system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008288149A (en) * | 2007-05-21 | 2008-11-27 | Toyota Motor Corp | Fuel cell system |
| CN108615916A (en) * | 2018-06-21 | 2018-10-02 | 中山大洋电机股份有限公司 | A kind of fuel cell and its control method |
| CN209843846U (en) * | 2019-04-23 | 2019-12-24 | 吉林大学 | Fuel cell segmented cold start system |
-
2019
- 2019-04-23 CN CN201910328572.5A patent/CN109921067B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008288149A (en) * | 2007-05-21 | 2008-11-27 | Toyota Motor Corp | Fuel cell system |
| CN108615916A (en) * | 2018-06-21 | 2018-10-02 | 中山大洋电机股份有限公司 | A kind of fuel cell and its control method |
| CN209843846U (en) * | 2019-04-23 | 2019-12-24 | 吉林大学 | Fuel cell segmented cold start system |
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| CN109921067A (en) | 2019-06-21 |
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