CN113517464A - Fuel cell system of commercial vehicle - Google Patents

Fuel cell system of commercial vehicle Download PDF

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Publication number
CN113517464A
CN113517464A CN202110710828.6A CN202110710828A CN113517464A CN 113517464 A CN113517464 A CN 113517464A CN 202110710828 A CN202110710828 A CN 202110710828A CN 113517464 A CN113517464 A CN 113517464A
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CN
China
Prior art keywords
wall
fuel cell
reference surface
cell system
integrated frame
Prior art date
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Pending
Application number
CN202110710828.6A
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Chinese (zh)
Inventor
侯昌辉
张帝
朱家辉
王朝云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Tomorrow Hydrogen Energy Technology Co ltd
Original Assignee
Chongqing Tomorrow Hydrogen Energy Technology Co ltd
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Application filed by Chongqing Tomorrow Hydrogen Energy Technology Co ltd filed Critical Chongqing Tomorrow Hydrogen Energy Technology Co ltd
Priority to CN202110710828.6A priority Critical patent/CN113517464A/en
Publication of CN113517464A publication Critical patent/CN113517464A/en
Pending legal-status Critical Current

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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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • 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
    • 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
    • H01M8/04082—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
    • 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
    • H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the reactants
    • 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
    • H01M8/04111—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants using a compressor turbine assembly
    • 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
    • H01M8/04082—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
    • H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
    • 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
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • 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
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • H01M8/04253—Means for solving freezing problems
    • 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
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • H01M8/04268—Heating of fuel cells during the start-up of the fuel cells
    • 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
    • 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
    • H01M8/0438—Pressure; Ambient pressure; Flow
    • H01M8/04425—Pressure; Ambient pressure; Flow at auxiliary devices, e.g. reformers, compressors, burners
    • 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
    • H01M8/04746—Pressure; Flow
    • H01M8/04753—Pressure; Flow of fuel cell reactants
    • 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
    • H01M8/04746—Pressure; Flow
    • H01M8/04776—Pressure; Flow at auxiliary devices, e.g. reformer, compressor, burner
    • 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
    • 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
    • H01M8/2475—Enclosures, casings or containers of fuel cell stacks
    • 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)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (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 discloses a fuel cell system of a commercial vehicle, relating to the field of new energy automobiles; the problem that the existing system is low in integration level and space utilization rate is solved; the equipment specifically comprises an integrated frame and a pile module, wherein the outer wall of the top of the integrated frame is fixedly connected with a relevant key component mechanism, the key component mechanism comprises an air processing assembly, a hydrogen processing assembly and a cooling assembly, the outer wall of the top of the key component mechanism is fixedly connected with a fuel cell assembly, and the outer wall of the top of the fuel cell assembly is fixedly connected with an electrical assembly. According to the invention, the integrated frame is arranged and used as a system main body framework, so that a supporting effect can be achieved, the whole fuel cell system can be fixed, and related elements can be fixed and detached in a detachable mode, so that the assembly and maintenance of the system are greatly facilitated, and related components can be arranged around the integrated frame, so that the integration level and the space utilization rate are improved.

Description

Fuel cell system of commercial vehicle
Technical Field
The invention relates to the field of new energy automobiles, in particular to a fuel cell system of a commercial vehicle.
Background
The fuel cell system is usually applied as a power assembly, but the inside of the system is still composed of a plurality of scattered parts, and the whole integration level is not high. At present, although the commercial vehicle is easy to arrange a fuel cell system due to large space, more and more commercial vehicle factories also need high integration level and high space utilization rate for system arrangement and have the characteristics of easy assembly and easy maintenance.
Through retrieval, the Chinese patent with the application number of CN201810042717.0 discloses a thermal management system for a fuel cell of a commercial vehicle, which comprises a controller, a hydrogen fuel cell system, an electric control three-way valve, an electric heater, a radiator, a variable frequency fan, a water replenishing tank, a variable frequency water pump, a deionization device, a throttle valve, a particulate matter filter, a temperature sensor I and a temperature sensor II; the hydrogen fuel cell system is internally provided with a cooling liquid circulating pipeline, a cooling liquid pipeline inlet and a cooling liquid pipeline outlet, the cooling liquid pipeline outlet of the hydrogen fuel cell system is connected with a temperature sensor I, and the pipeline continues to extend forwards and is connected with an electric control three-way valve. The above patents suffer from the following disadvantages: lack main part skeleton texture, be in the tiling state more when leading to relevant part installation, reduce the integrated level when consuming the pipeline, and make the space occupy the degree and enlarge, whole maintenance is inconvenient.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a fuel cell system of a commercial vehicle.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a commercial car fuel cell system, includes integrated frame and pile module, the relevant key part mechanism of integrated frame top outer wall fixed connection, key part mechanism includes air treatment subassembly, hydrogen treatment subassembly and cooling module, key part mechanism top outer wall fixed connection has the fuel cell subassembly, fuel cell subassembly top outer wall fixed connection has electrical component, the local bottom outer wall of fuel cell subassembly sets up in integrated frame top outer wall, air treatment subassembly, hydrogen treatment subassembly, cooling module and electrical component all with pile module electric connection, integrated frame bottom outer wall is provided with fork truck and lifts the frame.
Preferably: the side face of the outer wall of the pile module, which is provided with the high-voltage plug-in, is used as a first reference face, the opposite face of the first reference face is used as a second reference face, the left-view direction of the first reference face is used as a third reference face, and the opposite face of the third reference face is a fourth reference face.
Further: the fuel cell assembly comprises a shell bottom plate and a shell upper cover, wherein the outer wall of the shell bottom plate is connected with a transition aluminum plate through a bolt, the outer wall of the bottom of the transition aluminum plate is fixedly connected to the outer wall of the top of the integrated frame, a 10mm gap is formed between the outer wall of the top of the transition aluminum plate and the outer wall of the bottom of the shell bottom plate, an insulating block is arranged on the outer wall of the bolt joint, and the thickness of the insulating block is 10 mm.
Further preferred is: the casing upper cover passes through bolted connection in casing bottom plate top outer wall, and the bolt outer wall between transition aluminum plate and the casing bottom plate has cup jointed insulating thread bush, and insulating thread bush top and bottom outer wall are glued respectively in casing bottom plate bottom outer wall and transition aluminum plate top outer wall.
As a preferable aspect of the present invention: the electric component comprises a boosting DCDC and a reducing DCDC, the outer walls of the bottoms of the boosting DCDC and the reducing DCDC are connected to the outer wall of the top of the upper cover of the shell through bolts, the outer wall of one side of the top of the upper cover of the shell is connected with an air compressor controller through bolts, the outer wall of the third reference surface of the bottom plate of the shell is fixedly connected with an ATS (automatic transfer control system) and a relay box, the outer wall of the third reference surface of the integrated frame is fixedly connected with an FCCU (FCCU), the outer wall of the integrated frame is provided with high and low voltage wiring harnesses, sensors are arranged in the electric component, the number of the sensors is more than three, and the sensors are arranged inside a key component mechanism.
Further preferred as the invention: the air treatment subassembly is strained and air flowmeter including empty, empty and strain and air flowmeter one side outer wall welding in integrated frame's second reference surface outer wall, integrated frame's second reference surface is close to galvanic pile module outer wall welding and has air compressor machine and intercooler, the intercooler sets up under air flowmeter, transition aluminum plate top outer wall has support one through bolted connection, support one top outer wall fixedly connected with humidifier, the bypass valve, back pressure valve and blender, the structure of back pressure valve and blender is integrative integrated form, integrated frame bottom outer wall welding has the silencer, silencer bottom outer wall is higher than fork truck lifting frame bottom outer wall.
As a still further scheme of the invention: the cooling assembly comprises an electronic water pump and a filter, wherein the outer wall of one side of the electronic water pump is welded on the outer wall of the lower part of the first reference surface of the integrated frame, the outer wall of the bottom of the filter is fixedly connected with a second support, the outer wall of the bottom of the second support is fixedly connected with the outer wall of the top of the transition aluminum plate, and the outer wall of the top of the second support is fixedly connected with a deionizer, an electronic three-way valve and a PTC heater.
On the basis of the scheme: the hydrogen processing assembly comprises a hydrogen inlet electromagnetic valve, an anode pressure regulator and a hydrogen pipeline, wherein the hydrogen inlet electromagnetic valve and the outer wall of one side of the anode pressure regulator are fixedly connected to the outer wall of the first datum plane of the shell bottom plate, a third support is arranged between the outer wall of the lower portion of the third datum plane of the shell bottom plate and the outer wall of the top of the transition aluminum plate, the outer wall of one side of the third support is provided with an integrated water separator, the outer wall of the first datum plane of the integrated water separator and the outer wall of the top of the transition aluminum plate are provided with a fourth support, a hydrogen circulating pump is fixedly connected to the outer wall of one side of the fourth support, the outer wall of the second datum plane of the integrated water separator and the outer wall of the top of the transition aluminum plate are provided with a fifth support, and a relief valve is fixedly connected to the outer wall of one side of the fifth support.
On the basis of the foregoing scheme, it is preferable that: the integrated water separator comprises a gas-water separator core, an exhaust electromagnetic valve and a heating type drainage electromagnetic valve, wherein the exhaust electromagnetic valve and the heating type drainage electromagnetic valve are connected with the gas-water separator core through pipelines, one end of an outlet of the exhaust electromagnetic valve is connected to a hydrogen circulating pump through a pipeline, and one end of an outlet of the heating type drainage electromagnetic valve is connected to the mixer through a pipeline.
The invention has the beneficial effects that:
1. a fuel cell system of a commercial vehicle is provided with an integrated frame, the integrated frame is used as a main framework of the system, the supporting function can be achieved, the whole fuel cell system is fixed, meanwhile, an air processing assembly, a hydrogen processing assembly, a cooling assembly and an electrical assembly are electrically connected with a pile module, and related elements can be fixed and detached in a detachable mode, so that the assembly and maintenance of the system are greatly facilitated, and related parts can be arranged around the integrated frame, so that the integration level and the space utilization rate are improved; through set up insulating block and insulating thread bush between transition aluminum plate and casing bottom plate, can carry out effectual insulation and keep apart, guarantee the insulating characteristic of casing bottom plate and casing upper cover.
2. A fuel cell system of a commercial vehicle is provided with an electrical component, and a boosted DCDC supplies power to a power battery and high-voltage components of the system; the step-down DCDC supplies power to the system V parts; meanwhile, the FCCU is a controller of the whole fuel cell system, monitors the fuel cell system and all parts, ensures stable and reliable operation of the system, can exchange data with a whole vehicle controller, and ensures the matching of the fuel cell system and the performance of the whole vehicle; furthermore, on one hand, the air compressor controller converts high-voltage direct current input by the boosted DCDC into high-voltage three-phase alternating current to supply to the air compressor, and meanwhile, the air compressor is regulated and controlled in operation state through a low-voltage signal input by the FCCU; each sensor transmits the temperature, pressure and other data of each subassembly to the FCCU in real time, so that the FCCU processes the feedback data and adjusts the operation conditions of the whole system and parts in real time.
3. A fuel cell system of a commercial vehicle is provided with an air processing assembly, after outside air passes through an air filter and an air flow meter, the outside air is pressurized by an air compressor to provide pressure meeting the working requirement of a galvanic pile, but the temperature rises sharply after the air is compressed, so that the air is reduced to the temperature meeting the working requirement by adopting an intercooler, and then the air humidity is increased by a humidifier, so that the working requirement of a galvanic pile module is met in the aspects of pressure, temperature and humidity; meanwhile, the air filter is positioned at the outermost side, so that the filter element is convenient to replace at the later stage, and an intercooler is arranged right below the air flow meter to facilitate the direction of the channel; the humidifier is arranged lower than the galvanic pile module so as to prevent accumulated water at the outlet of the galvanic pile module from flowing backwards into the galvanic pile module; furthermore, the back pressure valve and the mixer are integrated, the installation and the arrangement are convenient, the rear end of the back pressure valve is connected with the silencer to perform noise reduction treatment, then the connecting pipeline is directly discharged to the tail end of the vehicle, the bypass valve plays a role of an air inlet bypass, and redundant air is discharged into the mixer and then is discharged into the atmosphere.
4. A commercial vehicle fuel cell system is provided with a cooling assembly, a cooling water body is powered by an electronic water pump and enters a galvanic pile module through a filter, and a waterway outlet of the galvanic pile module controls the switching of the waterway size circulation through an electronic three-way valve so as to ensure the heat dissipation requirement; the PTC heater plays a role in auxiliary heating in cold weather, and can quickly heat a system water path to a set temperature so as to ensure that the whole system is quickly and stably started; the deionizers are connected to the inlet and the outlet of the electric pile module in parallel, ions separated out in the whole water channel are adsorbed, and the ion concentration temperature of the water channel is ensured within a range, so that the insulation characteristic of the whole system is ensured.
5. A fuel cell system of a commercial vehicle is provided, a hydrogen inlet electromagnetic valve plays a role in switching and emergency protection in the system by arranging a hydrogen processing component, the rear end of the reactor is connected with an anode pressure regulator, the anode pressure regulator regulates the front end pressure to be lower inlet pressure according to the working condition requirement and supplies the lower inlet pressure to the pile module, the integrated gas-water separator consists of a gas-water separator, an exhaust electromagnetic valve and a heating type drainage electromagnetic valve, on one hand, hydrogen is separated from water vapor, the separated hydrogen enters the galvanic pile again through a hydrogen circulating pump for reaction, on the other hand, the separated condensed water is discharged to a mixer through a heating type water discharge electromagnetic valve and then is discharged to the atmosphere, the heating type drain electromagnetic valve has a heating function, heats water at the temperature below zero to prevent the drain port from freezing and being sealed, meanwhile, the exhaust electromagnetic valve is opened when the system is purged to discharge the impurity gas in the pipeline into the mixer and then into the atmosphere.
Drawings
Fig. 1 is a schematic diagram of a partial arrangement of components of a fuel cell system for a commercial vehicle according to the present invention;
FIG. 2 is a schematic diagram of a partial arrangement of components of a fuel cell system for a commercial vehicle according to the present invention;
FIG. 3 is a front view of a fuel cell system for a commercial vehicle in accordance with the present invention;
FIG. 4 is a structural rear view of a fuel cell system for a commercial vehicle in accordance with the present invention;
FIG. 5 is a top view of a fuel cell system for a commercial vehicle according to the present invention;
fig. 6 is a structural bottom view of a fuel cell system of a commercial vehicle according to the present invention;
FIG. 7 is a left side view of a fuel cell system for a commercial vehicle in accordance with the present invention;
fig. 8 is a right side view of a fuel cell system for a commercial vehicle according to the present invention.
In the figure: 101-boost DCDC, 102-buck DCDC, 103-FCCU, 104-air compressor controller, 105-ATS, 106-relay box, 201-air filter, 202-air flow meter, 203-air compressor, 204-intercooler, 205-humidifier, 206-bypass valve, 207-back pressure valve, 208-mixer, 209-muffler, 301-electronic water pump, 302-filter, 303-deionizer, 304-electronic three-way valve, 305-PTC heater, 401-hydrogen inlet solenoid valve, 402-anode pressure regulator, 403-integrated water separator, 404-hydrogen circulation pump, 405-relief valve, 4031-gas-water separator, 4032-exhaust solenoid valve, 4033-heating type water discharge solenoid valve.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
a fuel cell system for a commercial vehicle, as shown in fig. 1-8, includes an integrated frame and a stack module; the fuel cell stack is characterized in that the outer wall of the top of the integrated frame is fixedly connected with a related key component mechanism, the key component mechanism comprises an air processing component, a hydrogen processing component and a cooling component, the outer wall of the top of the key component mechanism is fixedly connected with a fuel cell component, the outer wall of the top of the fuel cell component is fixedly connected with an electrical component, the outer wall of the local bottom of the fuel cell component is arranged on the outer wall of the top of the integrated frame, the air processing component, the hydrogen processing component, the cooling component and the electrical component are all electrically connected with the stack module, and the outer wall of the bottom of the integrated frame is provided with a forklift lifting frame; the side face of the outer wall of the pile module, which is provided with the high-voltage plug-in, is used as a first reference face, the opposite face of the first reference face is used as a second reference face, the left visual direction of the first reference face is used as a third reference face, the opposite face of the third reference face is a fourth reference face, and the electric push module is composed of an integrated circuit and used as a control core; through setting up the integrated frame, the integrated frame is as system's main part skeleton, can play the supporting role, fix whole fuel cell system simultaneously, air treatment subassembly, hydrogen treatment subassembly, cooling module and electrical component all with pile module electric connection, and each relevant component all can fix and the split through the detachable mode, the very big equipment and the maintenance of system of facilitating, and relevant part can arrange through around the integrated frame, thereby improve integrated level and space utilization.
In order to optimize the insulation effect, as shown in fig. 1-8, the fuel cell assembly comprises a shell bottom plate and a shell upper cover, the outer wall of the shell bottom plate is connected with a transition aluminum plate through a bolt, the outer wall of the bottom of the transition aluminum plate is fixedly connected with the outer wall of the top of the integrated frame, a 10mm gap is arranged between the outer wall of the top of the transition aluminum plate and the outer wall of the bottom of the shell bottom plate, an insulation block is arranged on the outer wall of the bolt joint, the thickness of the insulation block is 10mm, the shell upper cover is connected with the outer wall of the top of the shell bottom plate through a bolt, an insulation thread sleeve is sleeved on the outer wall of the bolt between the transition aluminum plate and the shell bottom plate, and the top and bottom outer walls of the insulation thread sleeve are respectively adhered to the outer wall of the bottom of the shell bottom plate and the outer wall of the top of the transition aluminum plate; through set up insulating block and insulating thread bush between transition aluminum plate and casing bottom plate, can carry out effectual insulation and keep apart, guarantee the insulating characteristic of casing bottom plate and casing upper cover.
To enable electrical connection and sensing processes; as shown in fig. 1, 2, 4, and 5, the electrical assembly includes a boost DCDC101 (converter) and a buck DCDC102, bottom outer walls of the boost DCDC101 and the buck DCDC102 are both connected to an outer wall of a top of the upper cover of the housing by bolts, an outer wall of one side of the top of the upper cover of the housing is connected to an air compressor controller 104 by bolts, an ATS (automatic transfer switching equipment) 105 and a relay box 106 are fixedly connected to an outer wall of a third reference surface of the bottom plate of the housing, an FCCU (fuel cell control unit) 103 is fixedly connected to an outer wall of the third reference surface of the integrated frame, a high-low voltage wire harness is arranged on an outer wall of the integrated frame, sensors are arranged in the electrical assembly, the number of the sensors is three or more, and the sensors are arranged inside the key component mechanism; when the fuel cell system is used, the voltage boosting DCDC101 adjusts the voltage output by the fuel cell to a high-voltage platform required by the whole vehicle to supply power to a power cell and high-voltage parts of the system; the output voltage of the step-down DCDC102 is 24V, and the step-down DCDC101 reduces the input high voltage to 24V to supply to a whole vehicle low-voltage platform and supply power to 24V parts of the system; meanwhile, the FCCU103 is a controller of the whole fuel cell system, monitors the fuel cell system and all parts, ensures stable and reliable operation of the system, can exchange data with a whole vehicle controller, and ensures the matching of the fuel cell system and the performance of the whole vehicle; further, the air compressor controller 104 converts the high-voltage direct current input by the boost DCDC101 into a high-voltage three-phase alternating current to supply to the air compressor 203, and regulates and controls the operation state of the air compressor 203 through a low-voltage signal input by the FCCU 103; the ATS105 is an electronic fan control unit which regulates and controls the operation state of related elements by inputting a low voltage signal through the FCCU 103; the relay box 106 contains a relay unit and a fuse, and plays a role in electric switch and current protection; each sensor transmits data such as temperature, pressure and the like of each subassembly to the FCCU103 in real time, so that the FCCU103 processes the fed back data and adjusts the running conditions of the whole system and parts in real time; the high-voltage wire harness transmits high-voltage electricity output by the pile module to the voltage boosting DCDC101 for voltage boosting and stabilizing, and the low-voltage wire harness transmits control signals and 24V low-voltage electricity to parts and the FCCU103 so as to ensure that the FCCU103 monitors the parts in real time.
For air treatment processes; as shown in fig. 2, 3, 4, 7 and 6, the air treatment assembly comprises an air filter 201 and an air flow meter 202, one side outer wall of the air filter 201 and one side outer wall of the air flow meter 202 are welded on the outer wall of a second reference surface of the integrated frame, an air compressor 203 and an intercooler 204 are welded on the outer wall of the second reference surface of the integrated frame, which is close to the outer wall of the electric pile module, the intercooler 204 is arranged under the air flow meter 202, the outer wall of the top of the transition aluminum plate is connected with a first bracket through bolts, the outer wall of the top of the first bracket is fixedly connected with a humidifier 205, a bypass valve 206, a backpressure valve 207 and a mixer 208, the structures of the backpressure valve 207 and the mixer 208 are all integrated, a silencer 209 is welded on the outer wall of the bottom of the integrated frame, and the outer wall of the bottom of the silencer 209 is higher than the outer wall of the bottom of the forklift lifting frame; when the air-cooled electric pile is used, after passing through the air filter 201 and the air flow meter 202, outside air is pressurized by the air compressor 203 to provide pressure meeting the working requirement of the electric pile, but the temperature is increased sharply after the air is compressed, so that the air is reduced to the temperature meeting the working requirement by the intercooler 204, and then the air humidity is increased by the humidifier 205, so that the working requirement of the electric pile module is met in the aspects of pressure, temperature and humidity; meanwhile, the air filter 201 is positioned at the outermost side, so that the filter element at the later stage can be conveniently replaced, and the intercooler 204 is arranged right below the air flow meter 202 to facilitate the direction of the channel; the humidifier 205 is arranged lower than the galvanic pile module to prevent accumulated water at the outlet of the galvanic pile module from flowing backwards into the galvanic pile module; further, the back pressure valve 207 and the mixer 208 are integrated, so that the installation and the arrangement are convenient, the rear end of the back pressure valve is connected with the silencer 209 for noise reduction treatment, then the connecting pipeline is directly discharged to the tail end of the vehicle, the bypass valve 206 plays a role of an air inlet bypass, and redundant air is discharged into the mixer 208 and then is discharged into the atmosphere.
In order to optimize the water body cooling and recycling function; as shown in fig. 3 and 6, the cooling assembly includes an electronic water pump 301 and a filter 302, an outer wall of one side of the electronic water pump 301 is welded to an outer wall of a lower portion of a first reference surface of the integrated frame, an outer wall of a bottom of the filter 302 is fixedly connected to a second bracket, the outer wall of the bottom of the second bracket is fixedly connected to an outer wall of a top of the transition aluminum plate, and the outer wall of the top of the second bracket is fixedly connected to a deionizer 303, an electronic three-way valve 304 and a PTC heater 305; when the cooling water system is used, power is provided by the electronic water pump 301, the cooling water enters the galvanic pile module through the filter 302, and the waterway outlet of the galvanic pile module controls the switching of the waterway size circulation through the electronic three-way valve 304 so as to ensure the heat dissipation requirement; the PTC heater 305 plays a role of auxiliary heating when the weather is cold, and it can quickly heat the system water path to a set temperature to ensure the whole system to start quickly and stably; the deionizers 303 are connected in parallel to the inlet and the outlet of the pile module, and adsorb ions separated out in the whole water channel, so that the ion concentration temperature of the water channel is ensured within a range, and the insulation property of the whole system is ensured.
To optimize hydrogen separation and processing; as shown in fig. 4, 6 and 8, the hydrogen processing assembly includes a hydrogen inlet solenoid valve 401, an anode pressure regulator 402 and a hydrogen pipeline, the outer walls of one sides of the hydrogen inlet solenoid valve 401 and the anode pressure regulator 402 are both fixedly connected to the outer wall of the first reference surface of the bottom plate of the casing, a third bracket is arranged between the outer wall of the lower part of the third reference surface of the bottom plate of the casing and the outer wall of the top of the transition aluminum plate, an integrated water separator 403 is arranged on the outer wall of one side of the third bracket, a fourth bracket is arranged on the outer wall of the first reference surface of the integrated water separator 403 and the outer wall of the top of the transition aluminum plate, a hydrogen circulating pump 404 is fixedly connected to the outer wall of one side of the fourth bracket, a fifth bracket is arranged on the outer wall of the second reference surface of the integrated water separator 403 and the outer wall of the top of the transition aluminum plate, and a pressure release valve 405 is fixedly connected to the outer wall of one side of the fifth bracket; during the use, hydrogen in the hydrogen cylinder is connected to hydrogen through pipe connection to entering solenoid valve 401 after the decompression, hydrogen enters solenoid valve 401 and plays switch and emergency protection effect in the system, anode pressure regulator 402 is connected to its rear end, anode pressure regulator 402 supplies the pile module for lower inlet pressure with front end pressure regulation according to the operating mode demand, pile module hydrogen outlet connects integrated form gas-water separator 403, relief valve 405 is as the relief valve, can open automatically when hydrogen access pressure exceedes the calibration value, discharge into the atmosphere behind blender 208 with the hydrogen in the pipeline.
When the fuel cell system is used, the voltage boosting DCDC101 adjusts the voltage output by the fuel cell to a high-voltage platform required by the whole vehicle to supply power to a power cell and high-voltage parts of the system; the output voltage of the step-down DCDC102 is 24V, and the step-down DCDC101 reduces the input high voltage to 24V to supply to a whole vehicle low-voltage platform and supply power to 24V parts of the system; meanwhile, the FCCU103 is a controller of the whole fuel cell system, monitors the fuel cell system and each part, and ensures stable and reliable operation of the system; after passing through the air filter 201 and the air flow meter 202, the outside air is pressurized by the air compressor 203 to provide pressure meeting the operating requirement of the galvanic pile, but the temperature of the compressed air is rapidly increased, so that the air is reduced to the temperature meeting the operating requirement by the intercooler 204, and then the air humidity is increased by the humidifier 205, so that the operating requirements of the galvanic pile module are met in the aspects of pressure, temperature and humidity; the cooling water body is powered by an electronic water pump 301 and enters the galvanic pile module through a filter 302, and the waterway outlet of the galvanic pile module controls the switching of the waterway size circulation through an electronic three-way valve 304 so as to ensure the heat dissipation requirement; the PTC heater 305 plays a role of auxiliary heating when the weather is cold, and it can quickly heat the system water path to a set temperature to ensure the whole system to start quickly and stably; the deionizers 303 are connected in parallel to the inlet and the outlet of the pile module, adsorb ions precipitated in the whole water channel and ensure that the ion concentration and the temperature of the water channel are within a range, so that the insulation property of the whole system is ensured; finally, hydrogen in the hydrogen cylinder is decompressed and then is connected to a hydrogen inlet electromagnetic valve 401 through a pipeline, the hydrogen inlet electromagnetic valve 401 plays a role in opening and closing and emergency protection in the system, the rear end of the hydrogen inlet electromagnetic valve is connected with an anode pressure regulator 402, the anode pressure regulator 402 regulates the front end pressure into lower inlet pressure according to working condition requirements and supplies the lower inlet pressure to a pile module, a hydrogen outlet of the pile module is connected with an integrated gas-water separator 403, a pressure relief valve 405 serves as a safety valve and can be automatically opened when the pressure of a hydrogen passage exceeds a standard value, and the hydrogen in the pipeline is discharged into the atmosphere after being discharged into a mixer 208.
Example 2:
a fuel cell system for a commercial vehicle, comprising an integrated water separator 403 as described in embodiment 1, wherein the integrated water separator 403 comprises a gas-water separator core 4031, an exhaust solenoid valve 4032 and a heating type drain solenoid valve 4033, the exhaust solenoid valve 4032 and the heating type drain solenoid valve 4033 are connected with the gas-water separator core 4031 through a pipeline, one end of an outlet of the exhaust solenoid valve 4032 is connected with a hydrogen circulation pump 404 through a pipeline, and one end of an outlet of the heating type drain solenoid valve 4033 is connected with a mixer 208 through a pipeline; when in use, the integrated gas-water separator 403 is composed of a gas-water separator 4031, an exhaust electromagnetic valve 4032 and a heating type drainage electromagnetic valve 4033, on one hand, hydrogen is separated from water vapor, the separated hydrogen enters the galvanic pile again through a hydrogen circulating pump 404 for reaction, and on the other hand, the separated condensed water is discharged to the mixer 208 through the heating type drainage electromagnetic valve 4033 and then is discharged to the atmosphere; the heating type drain electromagnetic valve 4033 has a heating function, and heats water at the temperature below zero to prevent the drain port from freezing and being sealed; meanwhile, the exhaust solenoid valve 4032 is opened during system purging to discharge the impurity gas in the pipeline into the mixer 208 and then into the atmosphere.
When the present embodiment is used, the integrated gas-water separator 403 separates hydrogen from water vapor, and the separated hydrogen enters the galvanic pile again through the hydrogen circulation pump 404 for reaction, and on the other hand, discharges the separated condensed water to the mixer 208 through the heating type drain valve 4033 and then to the atmosphere, the heating type drain solenoid valve 4033 has a heating function, heats water at the temperature below zero to prevent the drain port from freezing and is sealed, and the hydrogen discharge solenoid valve 4032 on the heating type drain solenoid valve 4033 opens to discharge the impurity gas in the pipeline to the mixer 208 and then to the atmosphere when the system is purged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. The utility model provides a commercial car fuel cell system, includes integrated frame and pile module, a serial communication port, the relevant key part mechanism of integrated frame top outer wall fixed connection, key part mechanism includes air treatment subassembly, hydrogen processing subassembly and cooling module, key part mechanism top outer wall fixed connection has the fuel cell subassembly, fuel cell subassembly top outer wall fixed connection has electrical component, the local bottom outer wall of fuel cell subassembly sets up in integrated frame top outer wall, air treatment subassembly, hydrogen processing subassembly, cooling module and electrical component all with pile module electric connection, integrated frame bottom outer wall is provided with fork truck and lifts the frame.
2. A fuel cell system for a commercial vehicle according to claim 1, wherein the side of the outer wall of the stack module where the high voltage insertion member is provided is used as a first reference surface, the opposite surface of the first reference surface is used as a second reference surface, the left-looking direction of the first reference surface is used as a third reference surface, and the opposite surface of the third reference surface is used as a fourth reference surface.
3. The fuel cell system of claim 2, wherein the fuel cell assembly comprises a housing bottom plate and a housing upper cover, the outer wall of the housing bottom plate is connected with a transition aluminum plate through a bolt, the outer wall of the bottom of the transition aluminum plate is fixedly connected with the outer wall of the top of the integrated frame, a 10mm gap is formed between the outer wall of the top of the transition aluminum plate and the outer wall of the bottom of the housing bottom plate, an insulating block is arranged on the outer wall of the bolt, and the thickness of the insulating block is 10 mm.
4. The fuel cell system of claim 3, wherein the housing top cover is bolted to the housing bottom plate top outer wall, the bolted outer wall between the transition aluminum plate and the housing bottom plate is sleeved with an insulating threaded sleeve, and the insulating threaded sleeve top and bottom outer walls are respectively adhered to the housing bottom plate bottom outer wall and the transition aluminum plate top outer wall.
5. The fuel cell system of the commercial vehicle according to claim 4, wherein the electrical assembly comprises a boost DCDC (101) and a buck DCDC (102), the bottom outer walls of the boost DCDC (101) and the buck DCDC (102) are respectively connected to the top outer wall of the upper cover of the housing through bolts, the outer wall of one side of the top of the upper cover of the housing is connected with an air compressor controller (104) through bolts, the outer wall of the third datum plane of the bottom plate of the housing is fixedly connected with an ATS (105) and a relay box (106), the outer wall of the third datum plane of the integrated frame is fixedly connected with an FCCU (103), the outer wall of the integrated frame is provided with high and low voltage wiring harnesses, sensors are arranged in the electrical assembly, the number of the sensors is more than three, and the sensors are arranged inside a key component mechanism.
6. The commercial vehicle fuel cell system of claim 5, wherein the air processing assembly comprises an air filter (201) and an air flow meter (202), one side outer wall of the air filter (201) and one side outer wall of the air flow meter (202) are welded on the outer wall of a second reference surface of the integrated frame, an air compressor (203) and an intercooler (204) are welded on the second reference surface of the integrated frame close to the outer wall of the electric pile module, the intercooler (204) is arranged right below the air flow meter (202), the outer wall of the top of the transition aluminum plate is connected with a first bracket through a bolt, the outer wall of the top of the first bracket is fixedly connected with a humidifier (205), bypass valve (206), back pressure valve (207) and blender (208) are integrative integrated form in the structure, and integrated frame bottom outer wall welding has silencer (209), and silencer (209) bottom outer wall is higher than fork truck lift frame bottom outer wall.
7. A commercial vehicle fuel cell system according to claim 3, wherein the cooling assembly comprises an electronic water pump (301) and a filter (302), one side outer wall of the electronic water pump (301) is welded on the lower outer wall of the first reference surface of the integrated frame, the bottom outer wall of the filter (302) is fixedly connected with a second bracket, the bottom outer wall of the second bracket is fixedly connected with the top outer wall of the transition aluminum plate, and the top outer wall of the second bracket is fixedly connected with the deionizer (303), the electronic three-way valve (304) and the PTC heater (305).
8. A commercial vehicle fuel cell system in accordance with claim 3, wherein the hydrogen processing assembly includes a hydrogen inlet solenoid valve (401), anode pressure regulator (402) and hydrogen gas pipeline, equal fixed connection in the first reference surface outer wall of casing bottom plate is gone into to hydrogen solenoid valve (401) and anode pressure regulator (402) one side outer wall, be provided with support three between the third reference surface lower part outer wall of casing bottom plate and the transition aluminum plate top outer wall, three one side outer walls of support are provided with integrated form water separator (403), the first reference surface outer wall and the transition aluminum plate top outer wall of integrated form water separator (403) are provided with support four, four one side outer wall fixed connection of support have hydrogen circulating pump (404), integrated form water separator (403) second reference surface outer wall and transition aluminum plate top outer wall are provided with support five, five one side outer wall fixed connection of support has relief valve (405).
9. The fuel cell system for a commercial vehicle according to claim 8, wherein the integrated water separator (403) includes a moisture separator core (4031), an exhaust solenoid valve (4032) and a heating type drain solenoid valve (4033), the exhaust solenoid valve (4032) and the heating type drain solenoid valve (4033) are connected to the moisture separator core (4031) through pipes, one end of an outlet of the exhaust solenoid valve (4032) is connected to the hydrogen circulation pump (404) through a pipe, and one end of an outlet of the heating type drain solenoid valve (4033) is connected to the mixer (208) through a pipe.
CN202110710828.6A 2021-06-25 2021-06-25 Fuel cell system of commercial vehicle Pending CN113517464A (en)

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Application Number Priority Date Filing Date Title
CN202110710828.6A CN113517464A (en) 2021-06-25 2021-06-25 Fuel cell system of commercial vehicle

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Application Number Priority Date Filing Date Title
CN202110710828.6A CN113517464A (en) 2021-06-25 2021-06-25 Fuel cell system of commercial vehicle

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Publication Number Publication Date
CN113517464A true CN113517464A (en) 2021-10-19

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Application Number Title Priority Date Filing Date
CN202110710828.6A Pending CN113517464A (en) 2021-06-25 2021-06-25 Fuel cell system of commercial vehicle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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