CN215622736U - High-power air cooling fuel cell waste heat utilization system - Google Patents
High-power air cooling fuel cell waste heat utilization system Download PDFInfo
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- CN215622736U CN215622736U CN202121123117.0U CN202121123117U CN215622736U CN 215622736 U CN215622736 U CN 215622736U CN 202121123117 U CN202121123117 U CN 202121123117U CN 215622736 U CN215622736 U CN 215622736U
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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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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Abstract
The utility model provides a waste heat utilization system of a high-power air-cooled fuel cell, which comprises: the high-pressure hydrogen gas cylinder, the first-stage pressure reducer, the fuel cell stack, the gas-liquid separator, the hydrogen circulating pump, the dehumidifier, the air guide plate and the air flow adjusting plate; the high-pressure hydrogen cylinder is connected with an inlet of the first-stage pressure reducer, an outlet of the first-stage pressure reducer is connected with an inlet of the fuel cell stack, an outlet of the fuel cell stack is connected with an inlet of the gas-liquid separator, an outlet of the gas-liquid separator is connected with an inlet of the hydrogen circulating pump, and an outlet of the hydrogen circulating pump is connected with an inlet of the fuel cell stack; the heat dissipation pipeline of the fuel cell stack is sequentially connected with the dehumidifier, the air guide plate and the air flow adjusting plate, the generated heat generates hot air through the heat dissipation fan, then the hot air passes through the heat dissipation pipeline, passes through the dehumidifier, passes through the guide plate, enters the air flow adjusting plate and finally enters the passenger compartment to warm the passenger compartment. The waste heat of the fuel cell is fully utilized, and the comfort and the economy are improved.
Description
Technical Field
The utility model relates to the technical field of aircraft battery thermal management, in particular to a high-power air-cooling fuel cell waste heat utilization system.
Background
Fuel cell aircraft is an important application direction of fuel cells, the aircraft requires a fuel cell system to be light, and the traditional aircraft often needs to use electricity for heating in winter, so that the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a waste heat utilization system of a high-power air-cooling fuel cell, and aims to solve the technical problems that an aircraft needs to be heated by electricity in winter and the cost is high.
In order to achieve the above object, the present invention provides a waste heat utilization system for a high power air-cooled fuel cell, comprising: the high-pressure hydrogen gas cylinder, the first-stage pressure reducer, the fuel cell stack, the gas-liquid separator, the hydrogen circulating pump, the dehumidifier, the air guide plate and the air flow adjusting plate;
the high-pressure hydrogen cylinder is connected with an inlet of the primary pressure reducer, an outlet of the primary pressure reducer is connected with an inlet of the fuel cell stack, an outlet of the fuel cell stack is connected with an inlet of the gas-liquid separator, an outlet of the gas-liquid separator is connected with an inlet of the hydrogen circulating pump, and an outlet of the hydrogen circulating pump is connected with an inlet of the fuel cell stack;
the heat dissipation pipeline of the fuel cell pack is sequentially connected with the dehumidifier, the air flow guide plate and the air flow adjusting plate, the generated heat generates hot air through the heat dissipation fan, and then the hot air passes through the heat dissipation pipeline, the dehumidifier, the air flow guide plate and the air flow adjusting plate, enters the passenger compartment and finally warms the passenger compartment.
Preferably, the fuel cell stack is formed by connecting a plurality of fuel cell modules in parallel, and a proportional valve is connected to an inlet of each fuel cell module.
Preferably, the system for utilizing the waste heat of the high-power air-cooled fuel cell further comprises: and the inlet of the tail discharge valve is connected with the outlet of the gas-liquid separator.
Preferably, a first pressure sensor is provided between the outlet of the stage-one pressure reducer and the inlet of the fuel cell stack.
Preferably, a second pressure sensor is provided between the inlet of each of the fuel cell modules and the outlet of the proportional valve.
Preferably, each of the fuel cell modules is an air-cooled fuel cell module including: end plate, single cell subassembly and radiator fan.
The technical scheme provided by the utility model has the beneficial effects that: the air-cooled fuel cell system is characterized in that a plurality of air-cooled fuel cell modules are connected in parallel, a cooling fan of each fuel cell module sends air into a galvanic pile to react with hydrogen, electricity and heat are generated, meanwhile, the heat is dissipated through the cooling fan, then hot air passes through a dehumidifier to reduce the humidity in the hot air, then passes through a guide plate to enter an air flow adjusting plate, finally enters a passenger compartment to warm the passenger compartment, the waste heat of the fuel cell is fully utilized for heating, and the economical efficiency of the fuel cell system is improved.
Drawings
FIG. 1 is a structural diagram of a waste heat utilization system of a high-power air-cooled fuel cell according to the present invention;
FIG. 2 is a schematic view of the construction of a fuel cell module of the present invention;
in the figure: g-1 is a high-pressure hydrogen cylinder, D-1 is a primary pressure reducer, P is a first pressure sensor, D-1-N is a proportional valve, P-1-N is a second pressure sensor, PACK1-N is a fuel cell stack, F-1 is a gas-liquid separator, F-2 is a hydrogen circulating pump, F3 is a tail discharge valve, C-1 is a dehumidifier, C-2 is an air guide plate, and C3 is an air flow adjusting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a structural diagram of a waste heat utilization system of a high-power air-cooled fuel cell according to the present invention;
the utility model provides a waste heat utilization system of a high-power air-cooled fuel cell, which comprises: the device comprises a high-pressure hydrogen bottle G-1, a primary pressure reducer D-1, a fuel cell PACK PACK1-N, a gas-liquid separator F-1, a hydrogen circulating pump F-2, a dehumidifier C-1, an air guide plate C-2 and an air flow adjusting plate C-3;
the high-pressure hydrogen cylinder G-1 is connected with an inlet of the primary pressure reducer D-1, an outlet of the primary pressure reducer D-1 is connected with an inlet of the fuel cell stack PACK1-N, an outlet of the fuel cell stack PACK1-N is connected with an inlet of the gas-liquid separator F-1, an outlet of the gas-liquid separator F-1 is connected with an inlet of the hydrogen circulating pump F-2, and an outlet of the hydrogen circulating pump F-2 is connected with an inlet of the fuel cell stack PACK 1-N;
the heat dissipation pipeline of the fuel cell PACK PACK1-N is sequentially connected with the dehumidifier C-1, the air guide plate C-2 and the air flow adjusting plate C-3, the generated heat generates hot air through the heat dissipation fan, then the hot air passes through the heat dissipation pipeline, the dehumidifier C-1 and the air guide plate C-2, enters the air flow adjusting plate C-3 and finally enters the passenger compartment to warm the passenger compartment.
In this embodiment, the fuel cell stack PACK1-N is composed of 4 fuel cell modules connected in parallel, each of which is connected to a proportional valve D-1-N.
As an alternative embodiment, the number of fuel cell modules is not limited to 4, and the number of similar fuel cell modules is 1 at minimum and 1000 at maximum.
In this embodiment, the system for utilizing waste heat of a high-power air-cooled fuel cell further includes: and an inlet of the tail drain valve F-3 is connected with an outlet of the gas-liquid separator F-1.
As an alternative embodiment, a first pressure sensor P is provided between the outlet of the primary pressure reducer D-1 and the inlet of the fuel cell stack PACK 1-N.
As an alternative embodiment, a second pressure sensor P-1-N is provided between the inlet of each of the fuel cell modules and the outlet of the proportional valve.
Referring to fig. 2, fig. 2 is a schematic structural view of fuel cell modules of the present invention, each of which includes, in the present embodiment: an end plate A-1, a single cell assembly A-2 and a heat radiation fan A-3.
The working process of the waste heat utilization system of the high-power air-cooled fuel cell in the embodiment is as follows: the high-pressure hydrogen reduces the pressure to a preset value through a first-stage pressure reducer D-1, then the hydrogen respectively passes through a plurality of proportional valves D-1-N, the pressure is adjusted to the hydrogen pressure required by the galvanic pile, the hydrogen enters the galvanic pile and reacts with air, after the reaction, the hydrogen in all the galvanic piles enters a gas-liquid separator F-1 through a confluence pipeline, the water is separated and treated, and then the residual hydrogen is circulated to a hydrogen inlet of the galvanic pile through a hydrogen circulating pump F-2, so that the hydrogen utilization rate of the air-cooled galvanic pile is improved. The gas-liquid separator F-1 is also connected with a tail exhaust valve F-3, and the tail exhaust valve F-3 is opened when the fuel cell system operates for a period of time to exhaust moisture and nitrogen. The heat dissipation fan A-3 sends air (oxygen) into the galvanic pile to react with hydrogen to generate electricity and heat, meanwhile, the heat is taken away from the galvanic pile through the heat dissipation fan A-3, then hot air passes through the dehumidifier C-1 to reduce the humidity in the hot air, then passes through the air guide plate C-2 to enter the air flow adjusting plate C-3 and finally enters the passenger compartment to warm the passenger compartment, and the economical efficiency of a fuel cell system is improved.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a high-power air cooling fuel cell waste heat utilization system which characterized in that, high-power air cooling fuel cell waste heat utilization system includes: the high-pressure hydrogen gas cylinder, the first-stage pressure reducer, the fuel cell stack, the gas-liquid separator, the hydrogen circulating pump, the dehumidifier, the air guide plate and the air flow adjusting plate;
the high-pressure hydrogen cylinder is connected with an inlet of the primary pressure reducer, an outlet of the primary pressure reducer is connected with an inlet of the fuel cell stack, an outlet of the fuel cell stack is connected with an inlet of the gas-liquid separator, an outlet of the gas-liquid separator is connected with an inlet of the hydrogen circulating pump, and an outlet of the hydrogen circulating pump is connected with an inlet of the fuel cell stack;
the heat dissipation pipeline of the fuel cell pack is sequentially connected with the dehumidifier, the air flow guide plate and the air flow adjusting plate, the generated heat generates hot air through the heat dissipation fan, and then the hot air passes through the heat dissipation pipeline, the dehumidifier, the air flow guide plate and the air flow adjusting plate, enters the passenger compartment and finally warms the passenger compartment.
2. The system of claim 1, wherein the fuel cell stack is formed by connecting a plurality of fuel cell modules in parallel, and a proportional valve is connected to an inlet of each fuel cell module.
3. The system of claim 1, wherein the system further comprises: and the inlet of the tail discharge valve is connected with the outlet of the gas-liquid separator.
4. A high power air-cooled fuel cell residual heat utilization system according to claim 1, wherein a first pressure sensor is provided between an outlet of said primary pressure reducer and an inlet of said fuel cell stack.
5. The high power air-cooled fuel cell residual heat utilization system according to claim 2, wherein a second pressure sensor is provided between an inlet of each of the fuel cell modules and an outlet of the proportional valve.
6. The high power air-cooled fuel cell waste heat utilization system according to claim 2, wherein each of the fuel cell modules is an air-cooled fuel cell module, comprising: end plate, single cell subassembly and radiator fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121123117.0U CN215622736U (en) | 2021-05-24 | 2021-05-24 | High-power air cooling fuel cell waste heat utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121123117.0U CN215622736U (en) | 2021-05-24 | 2021-05-24 | High-power air cooling fuel cell waste heat utilization system |
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| Publication Number | Publication Date |
|---|---|
| CN215622736U true CN215622736U (en) | 2022-01-25 |
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| CN202121123117.0U Active CN215622736U (en) | 2021-05-24 | 2021-05-24 | High-power air cooling fuel cell waste heat utilization system |
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| CN (1) | CN215622736U (en) |
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2021
- 2021-05-24 CN CN202121123117.0U patent/CN215622736U/en active Active
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