CN111785991A - Low-pressure proton exchange membrane hydrogen fuel cell power generation system - Google Patents

Low-pressure proton exchange membrane hydrogen fuel cell power generation system Download PDF

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Publication number
CN111785991A
CN111785991A CN202010615695.XA CN202010615695A CN111785991A CN 111785991 A CN111785991 A CN 111785991A CN 202010615695 A CN202010615695 A CN 202010615695A CN 111785991 A CN111785991 A CN 111785991A
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fuel cell
pipeline
power generation
generation system
cell power
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Inventor
吴波
董江峰
袁永先
徐广辉
陈晓飞
许文燕
任庆霜
王国莹
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China North Engine Research Institute Tianjin
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China North Engine Research Institute Tianjin
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04029—Heat exchange using liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04037—Electrical heating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04044—Purification of heat exchange media
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
    • H01M8/04074—Heat exchange unit structures specially adapted for fuel cell
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
    • H01M8/04126—Humidifying
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
    • H01M8/0432—Temperature; Ambient temperature
    • H01M8/04358—Temperature; Ambient temperature of the coolant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
    • H01M8/04664—Failure or abnormal function
    • H01M8/04686—Failure or abnormal function of auxiliary devices, e.g. batteries, capacitors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
    • H01M8/04701—Temperature
    • H01M8/04723—Temperature of the coolant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M2008/1095—Fuel cells with polymeric electrolytes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
    • H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
    • 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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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

The invention provides a low-voltage proton exchange membrane hydrogen fuel cell power generation system which comprises a fuel cell power generation system body and a cooling heat dissipation module, wherein the fuel cell power generation system body comprises a galvanic pile, a hydrogen circulating pump, an air blower and a mixer, the air outlet end of the air blower is connected to an air inlet of the galvanic pile, the hydrogen circulating pump is connected to a hydrogen inlet of the galvanic pile, the mixer is connected with an exhaust port of the galvanic pile, the cooling heat dissipation module comprises a radiator, a PTC heater, an electronic water pump and a thermostat, three ports of the thermostat are respectively connected with a first pipeline, a second pipeline and a water outlet of the galvanic pile, the PTC heater is arranged on the first pipeline, the other end of the first pipeline is connected with the electronic water pump, the second pipeline is connected with the inlet of the electronic water pump through the radiator, and the outlet of the electronic water. The invention has the beneficial effects that: the number and the cross arrangement of cooling liquid pipelines are reduced, and the compactness and the modularization degree of a proton exchange membrane hydrogen fuel cell power generation system are improved.

Description

Low-pressure proton exchange membrane hydrogen fuel cell power generation system
Technical Field
The invention belongs to the technical field of hydrogen energy fuel cells, and particularly relates to a low-pressure proton exchange membrane hydrogen fuel cell power generation system.
Background
The hydrogen fuel cell has the biggest advantages that the reaction process does not involve combustion, no heat engine does work, the limitation of the upper limit of the Carnot cycle heat efficiency is avoided, the energy conversion rate is high and can reach more than 60%, the actual use efficiency can reach about twice of that of the traditional internal combustion engine, and the pollution to the environment is small. From the aspects of energy utilization efficiency and environmental protection, the fuel cell electric vehicle is an ideal vehicle in the future. The Proton Exchange Membrane Fuel Cell (PEMFC) is also called a polymer electrolyte Membrane, a solid polymer electrolyte Membrane or a polymer electrolyte Membrane Fuel Cell, has a low working temperature of about 70-80 ℃, can work at a low temperature, can be quickly started under a severe cold condition, has high power density, small volume and high working efficiency, can obtain 40-50% of the maximum theoretical voltage, can quickly regulate output according to power consumption requirements, and has extremely low emission or even zero emission. The PEMFC has advantages of a long life, a low operating temperature, a rapid start-up, a wide application range, etc., compared to other types of fuel cells, and thus it is considered as an optimal energy source for a power source for vehicles.
PEMFC systems can be divided into high-pressure systems and low-pressure systems, each having its own characteristics, according to the operating pressure. Wherein the low-pressure PEMFC system has relatively few components, relatively simple control and relatively safe and reliable system. The high-pressure PEMFC system is additionally provided with components such as an air supercharging intercooler, an exhaust back pressure control valve and the like, higher requirements are put forward on the design of an air supply system and a cooling and heat dissipation system, and meanwhile, the control and calibration process is more complicated.
In the prior art, the proton exchange membrane hydrogen fuel cell power generation system has low integration degree and insufficient system modular design.
Disclosure of Invention
In view of the above, the present invention is directed to a low-pressure pem hydrogen fuel cell power generation system to solve the above-mentioned problems.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a low-voltage proton exchange membrane hydrogen fuel cell power generation system comprises a fuel cell power generation system body and a cooling heat dissipation module, wherein the fuel cell power generation system body comprises a galvanic pile, a hydrogen circulating pump, a humidifier, an air blower and a mixer, the air outlet end of the air blower is connected to an air inlet of the galvanic pile through the humidifier, the hydrogen circulating pump is connected to the hydrogen inlet of the galvanic pile, the mixer is connected to an air outlet of the galvanic pile, the cooling heat dissipation module comprises a radiator, a PTC heater, an electronic water pump and a thermostat, the PTC heater is integrated on one side of the radiator, three ports of the thermostat are respectively connected with a first pipeline, a second pipeline and a water outlet of the galvanic pile, the PTC heater is arranged on the first pipeline, the other end of the first pipeline is connected to the electronic water pump, the second pipeline is connected to an inlet of the electronic water pump through the radiator, and an outlet of the electronic, the water outlet of the galvanic pile is provided with a temperature and pressure integrated sensor, the electronic water pump, the thermostat, the PTC heater, the humidifier, the air blower and the hydrogen circulating pump are all connected to the output end of the ECU, and the temperature and pressure integrated sensor is connected to the input end of the ECU.
Further, a water outlet of the galvanic pile is connected to the thermostat through a connecting pipeline.
Furthermore, the outlet of the electronic water pump is connected with the water inlet of the galvanic pile through a connecting pipeline.
Furthermore, the inlet end of the electronic water pump is connected with a deionization device, and the first pipeline and the second pipeline are both connected to the electronic water pump through the deionization device.
Further, the cross-sectional dimension of the first pipeline is smaller than the cross-sectional dimension of the second pipeline.
Furthermore, the first pipeline and the second pipeline are silica gel pipelines.
Further, the pile outside is equipped with protective housing, protective housing's both sides are equipped with a plurality of bar vents, and the upside is equipped with hydrogen escape hole, hydrogen escape hole department is equipped with hydrogen concentration sensor, hydrogen concentration sensor is connected to ECU's input.
Furthermore, the protective shell is of a six-piece combined structure and is connected together through an inner hexagonal bolt.
Further, the height of the air inlet of the galvanic pile is higher than the position height of the humidifier, and the position height of the humidifier is higher than the position height of the mixer.
Furthermore, the hydrogen circulating pump, the humidifier, the blower and the mixer are all positioned at the bottom of the galvanic pile.
Further, radiator one side is equipped with the mounting bracket, the mounting bracket includes the bottom plate and is located the tripod of bottom plate upper surface both ends and vertical setting, the vertical end fixed connection of tripod is on the radiator lateral wall, bottom plate fixed connection is in the radiator bottom, electronic water pump, deionization unit all set up on the mounting bracket.
Further, the thermostat is a motor thermostat.
Compared with the prior art, the low-pressure proton exchange membrane hydrogen fuel cell power generation system has the following advantages:
in the low-pressure proton exchange membrane hydrogen fuel cell power generation system, the fuel cell power generation system body and the cooling and radiating module integrate all parts together, thereby reducing the number and the cross arrangement of cooling liquid pipelines and improving the compactness and the modularization degree of the proton exchange membrane hydrogen fuel cell power generation system.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a power generation system of a low-pressure PEM hydrogen fuel cell according to an embodiment of the present invention;
FIG. 2 is a front view of a cooling and heat dissipating module according to an embodiment of the present invention;
fig. 3 is a schematic view of a protective casing according to an embodiment of the present invention.
Description of reference numerals:
1. a galvanic pile; 2. a protective housing; 3. a blower; 4. a humidifier; 5. a hydrogen circulation pump; 6. a mixer; 7. a first pipeline; 8. a heat sink; 9. a second pipeline; 10. a thermostat; 11. a PTC heater; 12. an electronic water pump; 13. a deionization unit; 14. a strip-shaped ventilation opening; 15. hydrogen escape holes.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 and fig. 2, a low-voltage proton exchange membrane hydrogen fuel cell power generation system comprises a fuel cell power generation system body and a cooling heat dissipation module, wherein the fuel cell power generation system body comprises a stack 1, a hydrogen circulation pump 5, a humidifier 4, an air blower 3 and a mixer 6, an air outlet end of the air blower 3 is connected to an air inlet of the stack 1 through the humidifier 4, the hydrogen circulation pump 5 is connected to a hydrogen inlet of the stack 1, the mixer 6 is connected to an air outlet of the stack 1, the cooling heat dissipation module comprises a radiator 8, and a PTC heater 11, an electronic water pump 12 and a thermostat 10 which are integrated on one side of the radiator 8, three ports of the thermostat 10 are respectively connected to a first pipeline 7, a second pipeline 9 and a water outlet of the stack 1, the PTC heater 11 is arranged on the first pipeline 7, the other end of the first pipeline 7 is connected to the electronic water pump 12, the second pipeline 9 is connected to the inlet of the electronic water pump 12 through the radiator 8, the outlet of the electronic water pump 12 is connected with the water inlet of the electric pile 1, the water outlet of the electric pile 1 is provided with a temperature and pressure integrated sensor, the electronic water pump 12, the thermostat 10, the PTC heater 11, the humidifier 4, the air blower 3 and the hydrogen circulating pump 5 are all connected to the output end of the ECU, and the temperature and pressure integrated sensor is connected to the input end of the ECU.
The water outlet of the electric pile 1 is connected to the thermostat 10 through a connecting pipeline.
The outlet of the electronic water pump 12 is connected with the water inlet of the electric pile 1 through a connecting pipeline.
The inlet end of the electronic water pump 12 is connected with a deionization device 13, and the first pipeline 7 and the second pipeline 9 are both connected to the electronic water pump 12 through the deionization device 13.
The cross-sectional dimension of the first conduit 7 is smaller than the cross-sectional dimension of the second conduit 9.
The first pipeline 7 and the second pipeline 9 are silica gel pipelines.
The connecting pipeline is a silica gel pipeline.
The thermostat 10 is a motor-type thermostat 10.
The hydrogen circulating pump 5, the humidifier 4, the blower 3 and the mixer 6 are all located at the bottom of the galvanic pile 1 and are arranged in a double-layer structure, the upper layer is the space of the galvanic pile 1 protected by the aluminum protective shell 2, and the lower layer is an air and hydrogen supply system and a tail gas discharge system.
As shown in fig. 3, a protective housing 2 is arranged on the outer side of the galvanic pile 1, a plurality of strip-shaped ventilation openings 14 are arranged on two sides of the protective housing 2, a hydrogen escape hole 15 is formed in the upper side of the protective housing, a hydrogen concentration sensor is arranged at the position of the hydrogen escape hole 15 and connected to the input end of the ECU, so that the ventilation performance of the air in the protective housing 2 is guaranteed, when a hydrogen leakage fault occurs, hydrogen can be collected to the highest position of the protective housing 2, the hydrogen concentration sensor is eliminated through the escape hole and simultaneously excited, an electric control system can cut off the supply of the hydrogen of the whole machine in time, and the safety of.
The protective shell 2 is made of aluminum material.
The protective casing 2 is of a six-piece combined structure and is connected together through inner hexagonal bolts, and the design can improve the assembly flexibility and the maintainability of the whole system.
The height of the air inlet of the galvanic pile 1 is higher than that of the humidifier 4, and the height of the humidifier 4 is higher than that of the mixer 6, so that water generated by reaction products of the anode and the cathode in the working process of the fuel cell system is smoothly discharged, and the galvanic pile 1 is prevented from flooding or blocking pipelines.
8 one side of radiator is equipped with the mounting bracket, the mounting bracket includes the bottom plate and is located the tripod of bottom plate upper surface both ends and vertical setting, the vertical end fixed connection of tripod is on 8 lateral walls of radiator, bottom plate fixed connection is in 8 bottoms of radiator, electronic water pump 12, deionization device 13 all set up on the mounting bracket.
The thermostat 10 is a motor-type thermostat 10.
The working process of the embodiment is as follows:
the cooling and heat dissipation module is divided into a small circulation loop and a large circulation loop through a first pipeline 7 and a second pipeline 9, when the temperature of cooling liquid at a water outlet of the galvanic pile 1 is lower than a set value of 62 ℃, the cooling liquid adopts the small circulation loop and does not pass through the radiator 8, the PTC heater 11 is connected in series in the small circulation, according to a control strategy, when the temperature of the cooling liquid is lower than a set value of-4 ℃, the PTC heater is started to heat the cooling liquid, until the circulating temperature of the cooling liquid is higher than a set value of 5 ℃, the PTC heater 11 is closed, when the temperature of the cooling liquid is higher than 75 ℃, the thermostat 10 closes the small circulation loop, and the cooling liquid enters the large circulation loop and flows through.
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 invention, 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 (10)

1. A low-pressure proton exchange membrane hydrogen fuel cell power generation system is characterized in that: the fuel cell power generation system comprises a fuel cell power generation system body and a cooling and heat dissipation module, wherein the fuel cell power generation system body comprises a galvanic pile, a hydrogen circulating pump, a humidifier, an air blower and a mixer, the air outlet end of the air blower is connected to an air inlet of the galvanic pile through the humidifier, the hydrogen circulating pump is connected to the hydrogen inlet of the galvanic pile, the mixer is connected to an air outlet of the galvanic pile, the cooling and heat dissipation module comprises a radiator, a PTC heater, an electronic water pump and a thermostat, the PTC heater, the electronic water pump and the thermostat are integrated on one side of the radiator, three ports of the thermostat are respectively connected with a first pipeline, a second pipeline and a water outlet of the galvanic pile, the PTC heater is arranged on the first pipeline, the other end of the first pipeline is connected to the electronic water pump, the second pipeline is connected to an inlet of the electronic water pump through the radiator, an outlet of, the electronic water pump, the thermostat, the PTC heater, the humidifier, the air blower and the hydrogen circulating pump are all connected to the output end of the ECU, and the temperature and pressure integrated sensor is connected to the input end of the ECU.
2. A low pressure pem hydrogen fuel cell power generation system according to claim 1, wherein: and a water outlet of the galvanic pile is connected to the thermostat through a connecting pipeline.
3. A low pressure pem hydrogen fuel cell power generation system according to claim 1, wherein: and the outlet of the electronic water pump is connected with the water inlet of the electric pile through a connecting pipeline.
4. A low pressure pem hydrogen fuel cell power generation system according to claim 1, wherein: the inlet end of the electronic water pump is connected with a deionization device, and the first pipeline and the second pipeline are connected to the electronic water pump through the deionization device.
5. A low pressure pem hydrogen fuel cell power generation system according to claim 1, wherein: the cross-sectional dimension of the first pipeline is smaller than the cross-sectional dimension of the second pipeline.
6. A low pressure pem hydrogen fuel cell power generation system according to claim 1, wherein: the first pipeline and the second pipeline are silica gel pipelines.
7. A low pressure pem hydrogen fuel cell power generation system according to claim 1, wherein: the galvanic pile outside is equipped with protective housing, protective housing's both sides are equipped with a plurality of bar vents, and the upside is equipped with hydrogen escape hole, hydrogen escape hole department is equipped with hydrogen concentration sensor, hydrogen concentration sensor is connected to ECU's input.
8. A low pressure pem hydrogen fuel cell power generation system according to claim 7, wherein: the protective shell is of a six-piece combined structure and is connected together through an inner hexagonal bolt.
9. A low pressure pem hydrogen fuel cell power generation system according to claim 1, wherein: the height of the air inlet of the galvanic pile is higher than the position height of the humidifier, and the position height of the humidifier is higher than the position height of the mixer.
10. A low pressure pem hydrogen fuel cell power generation system according to claim 1, wherein: radiator one side is equipped with the mounting bracket, the mounting bracket includes the bottom plate and is located the tripod of bottom plate upper surface both ends and vertical setting, the vertical end fixed connection of tripod is on the radiator lateral wall, bottom plate fixed connection is in the radiator bottom, electronic water pump, deionization device all set up on the mounting bracket.
CN202010615695.XA 2020-06-30 2020-06-30 Low-pressure proton exchange membrane hydrogen fuel cell power generation system Pending CN111785991A (en)

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN112563534A (en) * 2020-11-27 2021-03-26 东风汽车集团有限公司 Quick-detachable deionizer-radiator
CN114284524A (en) * 2022-03-07 2022-04-05 北京亿华通科技股份有限公司 Heat exchange system and control method for liquid hydrogen fuel cell
CN114899446A (en) * 2022-04-19 2022-08-12 安徽明天新能源科技有限公司 Fuel cell system of forklift

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CN109904489A (en) * 2019-02-28 2019-06-18 中山大洋电机股份有限公司 A kind of fuel cell and new-energy automobile
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CN111342081A (en) * 2020-03-04 2020-06-26 广西玉柴机器股份有限公司 Waste heat management system of fuel cell

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CN209312915U (en) * 2019-02-28 2019-08-27 中山大洋电机股份有限公司 A kind of fuel cell and new-energy automobile
CN111342081A (en) * 2020-03-04 2020-06-26 广西玉柴机器股份有限公司 Waste heat management system of fuel cell

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CN112563534A (en) * 2020-11-27 2021-03-26 东风汽车集团有限公司 Quick-detachable deionizer-radiator
CN114284524A (en) * 2022-03-07 2022-04-05 北京亿华通科技股份有限公司 Heat exchange system and control method for liquid hydrogen fuel cell
CN114284524B (en) * 2022-03-07 2022-06-17 北京亿华通科技股份有限公司 Heat exchange system and control method for liquid hydrogen fuel cell
CN114899446A (en) * 2022-04-19 2022-08-12 安徽明天新能源科技有限公司 Fuel cell system of forklift
CN114899446B (en) * 2022-04-19 2024-04-16 安徽明天新能源科技有限公司 Fork truck fuel cell system

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Application publication date: 20201016