CN215815961U - On-vehicle modularization arrangement structure of fuel cell - Google Patents
On-vehicle modularization arrangement structure of fuel cell Download PDFInfo
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- CN215815961U CN215815961U CN202121967306.6U CN202121967306U CN215815961U CN 215815961 U CN215815961 U CN 215815961U CN 202121967306 U CN202121967306 U CN 202121967306U CN 215815961 U CN215815961 U CN 215815961U
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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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Abstract
The utility model discloses a vehicle-mounted modular arrangement structure of a fuel cell, which comprises a fuel cell stack, a hydrogen supply assembly, an oxygen supply assembly and a cooling assembly, wherein the oxygen supply assembly and the cooling assembly are integrally arranged at the bottom of the fuel cell stack; the oxygen supply assembly comprises a filter, an air flow meter, an air compressor, an intercooler, a humidifier and a mixing and discharging port which are sequentially connected through an air pipeline; the cooling assembly comprises a heat exchanger, a water circulating pump, a radiator deionization instrument and a water tank which are sequentially connected through a water pipeline. The utility model has the advantages of improving the whole volume and the mass power density and prolonging the whole service life of the system.
Description
Technical Field
The utility model relates to the technical field of fuel cells, in particular to a vehicle-mounted modular arrangement structure of a fuel cell.
Background
A fuel cell is a power generation device that can directly convert fuel and oxidant into electric energy through a chemical reaction with high efficiency, and its reaction by-product is pure water. Therefore, the method has the advantages of energy conservation, environmental protection and the like.
From the early hybrid fuel-electric type, to the later pure electric type, and then to the present hybrid electric-electric type, it indicates that people pay more and more attention to the cleaner and more environment-friendly fuel cell vehicle. Therefore, the method attracts the research and development of fuel cell automobiles for professional technicians in various large automobile factories and fuel cell industries.
The existing fuel cell system has low integration level and low volume and mass power density, and the existing whole system can not avoid the complete isolation of the fuel cell stack in the atmosphere through an air pipeline after shutdown, thereby reducing the service life.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vehicle-mounted modular arrangement structure of a fuel cell, which improves the whole volume and the mass power density and prolongs the whole service life of a system.
The technical purpose of the utility model is realized by the following technical scheme:
a fuel cell vehicle-mounted modular arrangement structure comprises a fuel cell stack and a hydrogen supply assembly, and is characterized by also comprising an oxygen supply assembly and a cooling assembly, wherein the oxygen supply assembly and the cooling assembly are integrally arranged at the bottom of the fuel cell stack;
the oxygen supply assembly comprises a filter, an air flow meter, an air compressor, an intercooler, a humidifier and a mixed discharge port which are sequentially connected through an air pipeline, a first throttle valve is arranged on the air pipeline between the intercooler and the humidifier, a second throttle valve is arranged at the outlet of the humidifier, a third throttle valve is connected in parallel at the inlet of the humidifier and the outlet of the second throttle valve through the air pipeline, and the humidifier and the fuel cell stack are communicated in a two-way mode through the air pipeline;
the cooling assembly comprises a heat exchanger, a water circulating pump, a radiator deionization instrument and a water tank which are sequentially connected through a water pipeline, the water outlet of the water circulating pump is further connected with a heater through the water pipeline, the water outlet of the heater is connected with a three-way temperature control valve through the water pipeline, the outlet of the radiator is further connected with a filter through the water pipeline, the water outlet of the filter is connected with the three-way temperature control valve through the water pipeline, and the outlet of one end of the three-way temperature control valve is communicated with the water inlet of the fuel cell stack through the water pipeline.
Preferably, the air outlet of the air compressor is communicated with the blowing inlet of the fuel cell stack through an air blowing inlet pipeline, and the blowing outlet of the fuel cell stack is communicated with the air inlet of the mixed discharge port through an air blowing outlet pipeline.
Preferably, the hydrogen outlet inside the hydrogen supply assembly is communicated with the air inlet of the mixed discharge port through a hydrogen discharge pipeline.
Preferably, the water outlet of the filter is communicated with the water inlet of the intercooler through a water pipeline, and the water outlet of the intercooler is communicated with the water inlet of the radiator.
Preferably, the water outlet of the water tank is communicated with the water inlet of the water circulating pump through a waterway pipeline to form a circulating loop, and a water level sensor is arranged inside the water tank.
Preferably, a conductivity sensor is arranged on a water path pipeline connecting the water circulating pump and the radiator.
Preferably, the water outlet of the fuel cell stack is communicated with the water inlet of the water circulating pump through a water pipeline.
In conclusion, the utility model has the following beneficial effects:
1. the utility model has higher integration level, increases the volume and mass power density and improves the overall working efficiency of the system.
2. According to the utility model, the first throttle valve is added on the air pipeline between the intercooler and the humidifier, and the air path of the fuel cell stack is completely isolated from the atmosphere by the first throttle valve after shutdown, so that the influence on the service life of the fuel cell stack is greatly reduced.
3. According to the utility model, the third air throttle is connected in parallel with the outlet of the second air throttle at the inlet of the humidifier through the air pipeline, and when the interior of the fuel cell stack needs to be purged after shutdown, the shutdown purging time is shortened and the surge of the air compressor is also prevented through the bypass third air throttle.
Drawings
Fig. 1 is a schematic view of the connection structure of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings, and the present embodiment is not to be construed as limiting the utility model.
The fuel cell vehicle-mounted modular arrangement structure shown in fig. 1 comprises a fuel cell stack 1, a hydrogen supply assembly 2, an oxygen supply assembly 3 and a cooling assembly 4, wherein the oxygen supply assembly 3 and the cooling assembly 4 are integrally arranged at the bottom of the fuel cell stack 1.
The oxygen supply assembly 3 comprises a filter 6, an air flow meter 7, an air compressor 8, an intercooler 9, a humidifier 10 and a mixed exhaust port 11 which are sequentially connected through an air pipeline 5, a first throttle valve 12 is arranged on the air pipeline 5 between the intercooler 9 and the humidifier 10, a second throttle valve 13 is arranged at the outlet of the humidifier 10, a third throttle valve 14 is connected in parallel at the inlet of the humidifier 10 and the outlet of the second throttle valve 13 through the air pipeline 5, and the humidifier 10 is communicated with the fuel cell stack 1 in a two-way mode through the air pipeline 5.
Cooling module 4 includes the heat exchanger 16 that connects gradually through waterway pipeline 15, water circulating pump 17, radiator 18, deionization instrument 19 and water tank 20, water circulating pump 17's delivery port department still is connected with heater 21 through waterway pipeline 15, heater 21's delivery port is connected with a tee bend temperature detect valve 22 through waterway pipeline 15, radiator 18 exit still is connected with filter 23 through waterway pipeline 15, filter 23's delivery port and tee bend temperature detect valve 22 pass through waterway pipeline 15 and are connected, tee bend temperature detect valve 22 one end export passes through waterway pipeline 15 with the water inlet of fuel cell stack 1 and communicates.
The air outlet of the air compressor 8 is communicated with the blowing inlet of the fuel cell stack 1 through an air blowing inlet pipeline 24, and the blowing outlet of the fuel cell stack 1 is communicated with the air inlet of the mixed exhaust port 11 through an air blowing outlet pipeline 25.
The hydrogen outlet inside the hydrogen supply component 2 is communicated with the air inlet of the mixed exhaust port 11 through a hydrogen exhaust pipeline 26, so that residual hydrogen after reaction in the hydrogen supply component 2 is timely exhausted through the mixed exhaust port 11.
The water outlet of the filter 6 is also communicated with the water inlet of the intercooler 9 through a water pipeline 15, the water outlet of the intercooler 9 is communicated with the water inlet of the radiator 18, and water in the fuel cell stack 1, the oxygen supply assembly 3 and the cooling assembly 4 is circulated together through the three-way temperature control valve 22.
Thereby the delivery port of water tank 20 and water circulating pump 17's water inlet pass through waterway pipeline 15 intercommunication and form circulation circuit, and water tank 20 is inside to be provided with level sensor 27, and level sensor 27 monitors the liquid level in the water tank 20 to control the circulating water in the cooling module 4 through level sensor 27.
A conductivity sensor 28 is arranged on the waterway pipeline 15 connecting the water circulating pump 17 and the radiator 18, and the conductivity sensor 28 can monitor the circulating water in the cooling assembly 4.
The water outlet of the fuel cell stack 1 is communicated with the water inlet of the water circulating pump 17 through a water pipeline 15. So that the circulating water in the fuel cell stack 1 and the water in the cooling module 4 participate in the circulating reaction together.
The utility model has higher integration level, simultaneously increases the volume and the mass power density, improves the working efficiency of the whole system, adds the first throttle valve 12 on the air pipeline 5 between the intercooler 9 and the humidifier 10, completely isolates the air path of the fuel cell stack 1 from the atmosphere by the first throttle valve 12 after shutdown, greatly reduces the influence on the service life of the fuel cell stack 1, connects the third throttle valve 14 in parallel at the inlet of the humidifier 10 and the outlet of the second throttle valve 13 by the air pipeline 5, and shortens the shutdown purging time and prevents the surge of the air compressor 8 by the bypass third throttle valve 14 when the interior of the fuel cell stack 1 needs to be purged after shutdown.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model.
Claims (7)
1. A fuel cell vehicle-mounted modular arrangement structure comprises a fuel cell stack and a hydrogen supply assembly, and is characterized by also comprising an oxygen supply assembly and a cooling assembly, wherein the oxygen supply assembly and the cooling assembly are integrally arranged at the bottom of the fuel cell stack;
the oxygen supply assembly comprises a filter, an air flow meter, an air compressor, an intercooler, a humidifier and a mixed discharge port which are sequentially connected through an air pipeline, a first throttle valve is arranged on the air pipeline between the intercooler and the humidifier, a second throttle valve is arranged at the outlet of the humidifier, a third throttle valve is connected in parallel at the inlet of the humidifier and the outlet of the second throttle valve through the air pipeline, and the humidifier and the fuel cell stack are communicated in a two-way mode through the air pipeline;
the cooling assembly comprises a heat exchanger, a water circulating pump, a radiator deionization instrument and a water tank which are sequentially connected through a water pipeline, the water outlet of the water circulating pump is further connected with a heater through the water pipeline, the water outlet of the heater is connected with a three-way temperature control valve through the water pipeline, the outlet of the radiator is further connected with a filter through the water pipeline, the water outlet of the filter is connected with the three-way temperature control valve through the water pipeline, and the outlet of one end of the three-way temperature control valve is communicated with the water inlet of the fuel cell stack through the water pipeline.
2. A fuel cell vehicle-mounted modular arrangement structure according to claim 1, characterized in that: the air compressor air outlet is communicated with the blowing inlet of the fuel cell stack through an air blowing inlet pipeline, and the blowing outlet of the fuel cell stack is communicated with the air inlet of the mixed discharge port through an air blowing outlet pipeline.
3. A fuel cell vehicle-mounted modular arrangement structure according to claim 1, characterized in that: and the hydrogen outlet in the hydrogen supply assembly is communicated with the air inlet of the mixed discharge port through a hydrogen discharge pipeline.
4. A fuel cell vehicle-mounted modular arrangement structure according to claim 1, characterized in that: the water outlet of the filter is communicated with the water inlet of the intercooler through a water pipeline, and the water outlet of the intercooler is communicated with the water inlet of the radiator.
5. A fuel cell vehicle-mounted modular arrangement structure according to claim 1, characterized in that: the water outlet of the water tank is communicated with the water inlet of the water circulating pump through a water pipeline to form a circulating loop, and a water level sensor is arranged inside the water tank.
6. A fuel cell vehicle-mounted modular arrangement structure according to claim 1, characterized in that: and a water path pipeline for connecting the water circulating pump and the radiator is provided with a conductivity sensor.
7. A fuel cell vehicle-mounted modular arrangement structure according to claim 1, characterized in that: and the water outlet of the fuel cell stack is communicated with the water inlet of the water circulating pump through a waterway pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121967306.6U CN215815961U (en) | 2021-08-20 | 2021-08-20 | On-vehicle modularization arrangement structure of fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121967306.6U CN215815961U (en) | 2021-08-20 | 2021-08-20 | On-vehicle modularization arrangement structure of fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215815961U true CN215815961U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121967306.6U Active CN215815961U (en) | 2021-08-20 | 2021-08-20 | On-vehicle modularization arrangement structure of fuel cell |
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| CN (1) | CN215815961U (en) |
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2021
- 2021-08-20 CN CN202121967306.6U patent/CN215815961U/en active Active
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