CN112151846A - Fuel cell engine - Google Patents

Fuel cell engine Download PDF

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Publication number
CN112151846A
CN112151846A CN202010980307.8A CN202010980307A CN112151846A CN 112151846 A CN112151846 A CN 112151846A CN 202010980307 A CN202010980307 A CN 202010980307A CN 112151846 A CN112151846 A CN 112151846A
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CN
China
Prior art keywords
fixing plate
side fixing
fuel cell
inlet
outlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010980307.8A
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Chinese (zh)
Inventor
韩立勇
王雪娥
曾琪钊
贾非
孙振兴
李欢
刘铭泽
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Spic Hydrogen Energy Technology Development Co Ltd
Original Assignee
Spic Hydrogen Energy Technology Development Co Ltd
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Publication date
Application filed by Spic Hydrogen Energy Technology Development Co Ltd filed Critical Spic Hydrogen Energy Technology Development Co Ltd
Priority to CN202010980307.8A priority Critical patent/CN112151846A/en
Publication of CN112151846A publication Critical patent/CN112151846A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
    • B60L50/71—Arrangement of fuel cells within vehicles specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
    • B60L50/72—Constructional details of fuel cells specially adapted for electric vehicles
    • 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
    • H01M8/04082—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
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Fuel Cell (AREA)

Abstract

The invention discloses a fuel cell engine, which comprises a fixed frame, wherein the fixed frame comprises a first side fixed plate, a second side fixed plate, a third side fixed plate and a fourth side fixed plate; a fuel cell including a housing, a stack, a distributor, and first and second end caps opposing in a third direction; a hydrogen supply system mounted on the first side fixing plate; a cooling circulation system mounted on the first side fixing plate; an air supply system mounted on the third side fixing plate; a power distribution device mounted on the second side mounting plate. The fuel cell engine provided by the embodiment of the invention has the advantages of high integration level, compact structure, high volume power density, small volume, convenience in assembly, high strength, good seismic performance and the like.

Description

Fuel cell engine
Technical Field
The invention relates to the technical field of automobiles, in particular to a fuel cell engine.
Background
Fuel cells are increasingly receiving attention from various countries because of their characteristics of being unaffected by carnot cycle and being free of pollution. The fuel cell engine system generally comprises a fuel cell, a hydrogen supply system, an air supply system, other electrical components, and the like, and at present, most of the fuel cell engine systems adopt an integrated structure to integrate all components together. However, many fuel cell engine systems in the prior art, such as CN110994001A, CN104659393A, CN209912968U, etc., have low integration level due to limitations of the stack structure itself, disordered arrangement of parts, and unreasonable piping layout, which increases the volume and weight of the fuel cell engine system, and is not favorable for miniaturization and light weight of the fuel cell engine system.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, embodiments of the present invention propose a fuel cell engine.
A fuel cell engine according to an embodiment of the present invention includes:
a fixing frame including a first side fixing plate, a second side fixing plate, a third side fixing plate, and a fourth side fixing plate connected to define an installation space, wherein the first side fixing plate and the second side fixing plate are opposite in a first direction, and the third side fixing plate and the fourth side fixing plate are opposite in a second direction;
a fuel cell mounted in the mounting space, the fuel cell including a housing, a stack, a distributor, and first and second end covers opposing in a third direction, the first end cover and the second end cover are arranged at two ends of the shell, an installation cavity is defined among the first end cover, the second end cover and the shell, the electric pile is arranged in the mounting cavity, the distributor is arranged between the electric pile and the first end cover, the first end cap having first and second sides opposite in the first direction, the first end cap having third and fourth sides opposite in the second direction, the dispenser has a fifth side and a sixth side opposite in the first direction, wherein the first direction, the second direction, and the third direction are perpendicular to each other;
a hydrogen supply system installed on the first side fixing plate, a first pipe assembly of the hydrogen supply system being connected to the fifth side of the distributor;
a cooling circulation system installed on the first side fixing plate, a cooling medium inlet pipe of the cooling circulation system passing through the first side surface of the first end cap to be connected with the distributor, and a cooling medium outlet pipe of the cooling circulation system being connected with the sixth side surface of the distributor;
an air supply system mounted on the third side fixing plate, a second pipe assembly of the air supply system passing through the third side of the first end cap to be connected with the dispenser; and
a power distribution device mounted on the second side fixing plate, the power distribution device being electrically connected with the fuel cell.
Therefore, the fuel cell engine provided by the embodiment of the invention has the advantages of high integration level, compact structure, high volume power density, small volume, convenience in assembly, high strength, good seismic performance and the like.
In some embodiments, the first side fixing plate, the second side fixing plate, the third side fixing plate and the fourth side fixing plate are sequentially connected, the first direction is a left-right direction, the second direction is an up-down direction, and the third direction is a front-back direction, wherein the first side fixing plate is located on the left side of the second side fixing plate, the third side fixing plate is located below the fourth side fixing plate, and the first side surface and the fifth side surface are located on the same side of the stack.
In some embodiments, the hydrogen supply system comprises:
the first pipeline assembly comprises a first pipeline, a second pipeline and a third pipeline;
a hydrogen injector, a first end of the first line being connected to an outlet of the hydrogen injector, a second end of the first line being connected to a hydrogen inlet on the fifth side of the distributor;
a first end of the third pipeline is connected with an inlet of the steam-water separator, and a second end of the third pipeline is connected with a hydrogen outlet on the fifth side surface of the distributor;
a gas outlet of the steam-water separator is connected with an inlet of the hydrogen circulating pump, a first end of the second pipeline is connected with an outlet of the hydrogen circulating pump, and a second end of the second pipeline is connected with a hydrogen inlet on the fifth side surface of the distributor; and
the water outlet of the steam-water separator is connected with the inlet of the drain valve;
optionally, the hydrogen circulation pump and the trap are electrically connected to the power distribution device.
In some embodiments, the hydrogen circulation pump is located behind the hydrogen injector, the steam-water separator, and the drain valve, the hydrogen injector is located above the steam-water separator, and the drain valve is located below the steam-water separator.
In some embodiments, the cooling cycle system comprises:
a first end of the cooling medium outlet pipe is connected with a water outlet of the sixth side face of the distributor;
the second end of the cooling medium outlet pipe is connected with an inlet of the heater;
a thermostat comprising a first inlet, a second inlet, and a thermostat outlet, the thermostat outlet of the thermostat in communication with each of the first and second inlets of the thermostat, wherein the first inlet of the thermostat is connected with an outlet of the heater and the second inlet of the thermostat is connectable with an external heat sink;
the inlet of the cooling circulating water pump is connected with the thermostat outlet of the thermostat; and
the first end of the cooling medium inlet pipe is connected with an outlet of the cooling circulating water pump, and the second end of the cooling medium inlet pipe penetrates through the first side face of the first end cover so as to be connected with a water inlet of the distributor;
optionally, the cooling circulation water pump, the thermostat and the heater are electrically connected with the power distribution device;
optionally, the cooling circulation water pump is located in front of the thermostat and the heater, and the thermostat is located to the left of the heater.
In some embodiments, the cooling circulation system is located below the hydrogen supply system.
In some embodiments, the air supply system comprises:
the second pipeline assembly comprises a fourth pipeline and a fifth pipeline;
an air humidifier comprising a first chamber and a second chamber, the first chamber cooperating with the second chamber such that air within the first chamber is capable of exchanging heat with air within the second chamber, the first chamber having a first inlet and a second outlet, the second chamber having a second inlet and a second outlet, wherein a first end of the fourth conduit is connected to the first outlet of the first chamber, a second end of the fourth conduit passes through the third side of the first endcap so as to be connected to the air inlet of the dispenser, a first end of the fifth conduit is connected to the second inlet of the second chamber, and a second end of the fifth conduit passes through the third side of the first endcap so as to be connected to the air outlet of the dispenser; and
the inlet of the throttle valve is connected with the second outlet of the second cavity;
optionally, the air humidifier and the throttle valve are electrically connected with the power distribution device;
optionally, the air humidifier is located behind the throttle.
In some embodiments, the fuel cell is mounted in the mounting space by bolts, the hydrogen gas supply system is mounted on the first side fixing plate by bolts, the air supply system is mounted on the third side fixing plate by bolts, the cooling circulation system is mounted on the first side fixing plate by bolts, and the electric power distribution device is mounted on the second side fixing plate.
In some embodiments, a lower end of the first side fixing plate is located below the third side fixing plate.
In some embodiments, the water outlet of the dispenser is located at a lower end of the sixth side of the dispenser.
Drawings
Fig. 1 is a schematic structural view of a fuel cell engine according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a fuel cell and a fixing frame according to an embodiment of the present invention.
Fig. 3 is a schematic configuration diagram of a hydrogen gas supply system, a cooling circulation system, and an air supply system according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a fuel cell and a fixing frame according to an embodiment of the present invention.
Fig. 5 is a structural schematic diagram of a bottom view of a fuel cell engine according to an embodiment of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A fuel cell engine 1000 according to an embodiment of the invention is described below with reference to the drawings. As shown in fig. 1 to 5, a fuel cell engine 1000 according to an embodiment of the present invention includes a fixing frame 100, a fuel cell 200, a hydrogen gas supply system, an air supply system, a cooling circulation system, and an electric power distribution device 600.
The fixing frame 100 includes a first side fixing plate 110, a second side fixing plate 120, a third side fixing plate 130, and a fourth side fixing plate 140, and the first side fixing plate 110, the second side fixing plate 120, the third side fixing plate 130, and the fourth side fixing plate 140 are connected and define an installation space. Wherein the first side fixing plate 110 and the second side fixing plate 120 are opposite to each other in the first direction, and the third side fixing plate 130 and the fourth side fixing plate 140 are opposite to each other in the second direction.
The fuel cell 200 is installed in the installation space, and the fuel cell 200 includes a case 220, a stack, a distributor 230, and first and second end caps 210 and 210 opposite in a third direction. The first end cap 210 and the second end cap are disposed at two ends of the housing 220, a mounting cavity is defined between the first end cap 210, the second end cap and the housing 22, the stack is disposed in the mounting cavity, and the distributor 230 is disposed between the stack and the first end cap 210. First end cap 210 has first 211 and second 212 opposing sides in a first direction the first end cap has third 213 and fourth 214 opposing sides in a second direction. The dispenser 230 has a fifth side 231 and a sixth side 232 opposite in the first direction. Wherein the first direction, the second direction and the third direction are perpendicular to each other.
The hydrogen supply system is installed on the first side fixing plate 110, and the first pipe assembly of the hydrogen supply system is connected to the fifth side 231 of the distributor 230. The cooling circulation system is installed on the first side fixing plate 110, a cooling medium inlet pipe 411 of the cooling circulation system passes through the first side 211 of the first cap 210 to be connected to the distributor 230, and a cooling medium outlet pipe 412 of the cooling circulation system is connected to the sixth side 232 of the distributor 230.
The air supply system is installed on the third side fixing plate, and the second pipe assembly of the air supply system passes through the third side 213 of the first end cap 210 to be connected with the distributor 230. The power distribution device 600 is mounted on the second side fixing plate 120, and the power distribution device 600 is electrically connected to the fuel cell 200.
The fuel cell engine 1000 according to the embodiment of the present invention can not only improve the integration of the fuel cell engine 1000 but also facilitate the assembly of the fuel cell engine 1000 by installing the hydrogen gas supply system and the cooling circulation system on the first side fixing plate 110 and the air supply system on the third side fixing plate 130, thereby effectively improving the assembly efficiency, the overhaul efficiency, and the safety performance of the fuel cell engine. Meanwhile, the fuel cell engine 1000 adopts a frame-type mounting structure (i.e., the fixing frame 100 is arranged), which not only facilitates the assembly of the fuel cell engine 1000, but also improves the shock resistance and the overall strength of the fuel cell engine 1000.
Moreover, by connecting the first pipe assembly to the fifth side 231 of the distributor 230, passing the cooling medium inlet pipe 411 of the circulation system through the first side 211, connecting the cooling medium outlet pipe 412 of the cooling circulation system to the sixth side 232 of the distributor 230, and passing the second pipe assembly through the third side 213, the pipes of the fuel cell engine 1000 can be intensively and reasonably arranged, so that the structure of the fuel cell engine 1000 is more compact, the integration level and the volumetric power density of the fuel cell engine 1000 are further improved, and the volume of the fuel cell engine 1000 is reduced.
Therefore, the fuel cell engine 1000 according to the embodiment of the present invention has the advantages of high integration level, compact structure, high volumetric power density, small volume, convenient assembly, high strength, good shock resistance, etc.
As shown in fig. 1, a fuel cell engine 1000 according to an embodiment of the present invention includes a fixing frame 100, a fuel cell 200, a hydrogen gas supply system, an air supply system, a cooling circulation system, and an electric power distribution device 600.
The fixing frame 100 includes a first side fixing plate 110, a second side fixing plate 120, a third side fixing plate 130, and a fourth side fixing plate 140, the first side fixing plate 110, the second side fixing plate 120, the third side fixing plate 130, and the fourth side fixing plate 140 being connected and defining a mounting space, wherein the first side fixing plate and the second side fixing plate 120 are opposite in a first direction, and the third side fixing plate 130 and the fourth side fixing plate 140 are opposite in a second direction.
As shown in fig. 2, in some embodiments, the first side fixing plate 110, the second side fixing plate 120, the third side fixing plate 130 and the fourth side fixing plate 140 are connected in sequence. Specifically, the first direction is a left-right direction, the second direction is an up-down direction, and the third direction is a front-back direction. The left-right direction is shown by arrow a in fig. 4, the left-right direction is shown by arrow B in fig. 4, and the front-back direction is shown by arrow C in fig. 5.
The first side fixing plate 110 is positioned at the left side of the second side fixing plate 120, and the third side fixing plate 130 is positioned below the fourth side fixing plate 140. That is, the first side fixing plate 110 is located at the left end of the fixing frame 100, the second side fixing plate 120 is located at the right end of the fixing frame 100, the third side fixing plate 130 is located at the lower end of the fixing frame 100, and the fourth side fixing plate 140 is located at the upper end of the fixing frame 100. The installation space is located at the middle of the fixing frame 100, and the fixing frame 100 can protect the fuel cell 200 within the installation space. The first side 211 and the fifth side 231 are located on the same side of the stack, for example, the first side 211 and the fifth side 231 are located on the left side of the stack.
The fuel cell 200 is installed in the installation space, i.e., the fuel cell 200 is located at the middle of the fixing frame 100. It is convenient for the fuel cell 200 to be connected with a hydrogen gas supply system, an air supply system, a cooling circulation system, and the power distribution device 600.
The fuel cell 200 is installed in the installation space, and the fuel cell 200 includes a case 220, a stack, a distributor 230, and first and second end caps 210 and 210 opposite in a third direction. The first end cap 210 and the second end cap are disposed at two ends of the housing 220, a mounting cavity is defined between the first end cap 210, the second end cap and the housing 22, the stack is disposed in the mounting cavity, and the distributor 230 is disposed between the stack and the first end cap 210. First end cap 210 has first 211 and second 212 opposing sides in a first direction the first end cap has third 213 and fourth 214 opposing sides in a second direction. The dispenser 230 has a fifth side 231 and a sixth side 232 opposite in the first direction. Wherein the first direction, the second direction and the third direction are perpendicular to each other.
As shown in fig. 2, in some embodiments, the first end cap 210 is located forward of the second end cap, i.e., the first end cap 210 is located at the front end of the fuel cell 200. The first side 211 is located at the left side of the second side 212, i.e. the first side 211 is the left side of the first end cap 210, and the third side 213 is located below the fourth side 214, i.e. the third side 213 is the lower end of the first end cap 210.
Optionally, the first side 211 and the fifth side 231 are located on the same side of the stack. Accordingly, the fifth side 231 is a left side surface of the distributor 230, and the sixth side 232 is a lower end surface of the distributor 230.
Specifically, the housing 220 is provided with fixing holes at four corners of a lower end surface thereof, and the fuel cell 200 is fixed to the third side fixing plate 130 by bolts. The stack is positioned within the mounting cavity and the distributor 230 is positioned between the first end cap 210 and the housing 220. The first end cap 210, the second end cap, and the housing 220 enclose and protect the stack and the distributor 230.
As shown in fig. 1, in some embodiments, the hydrogen supply system is mounted on the first side fixing plate 110, i.e., the hydrogen supply system is located at the left side of the fuel cell 200.
Specifically, the hydrogen supply system includes a hydrogen injector 320, a hydrogen circulation pump 330, a steam-water separator 340, a trap 350, and a first pipe assembly including a first pipe 311, a second pipe 312, and a third pipe 313. The hydrogen injector 320, the hydrogen circulation pump 330, and the drain valve 350 are electrically connected to the power distribution device 600, and the power distribution device 600 supplies power to the hydrogen injector 320, the hydrogen circulation pump 330, and the drain valve 350.
The first pipe assembly of the hydrogen supply system is connected to the fifth side 231 of the distributor 230, and the hydrogen supply system is connected to the hydrogen inlet and the hydrogen outlet of the distributor 230 through the first pipe assembly. A first end of the first pipe 311 is connected to an outlet of the hydrogen injector 320, and a second end of the first pipe 311 is connected to a hydrogen inlet on the fifth side 231 of the distributor 230. The hydrogen injector 320 can deliver hydrogen gas at a pressure and flow rate to the hydrogen inlet of the distributor 230 through the first pipe 311 and further into the hydrogen chamber of the fuel cell 200.
A first end of the third pipe 313 is connected to an inlet of the steam-water separator 340, and a second end of the third pipe 313 is connected to a hydrogen outlet on the fifth side 231 of the distributor 230. Therefore, the hydrogen gas containing moisture from the hydrogen outlet enters the steam-water separator 340 through the third pipeline 313 to be separated into liquid water and hydrogen gas.
An inlet of the hydrogen circulation pump 330 is connected to an air outlet of the steam-water separator 340, a first end of the second pipeline 312 is connected to an outlet of the hydrogen circulation pump 330, and a second end of the second pipeline 312 is connected to a hydrogen inlet on the fifth side 231 of the distributor 230. Therefore, the hydrogen coming out of the gas outlet of the steam-water separator 340 is pressurized by the hydrogen circulation pump 330, and then enters the hydrogen inlet of the distributor 230 through the second pipeline 312, and further enters the hydrogen chamber of the fuel cell 200.
The water inlet of the trap 350 is connected to the water outlet of the steam-water separator 340. Liquid water is discharged from the water outlet of the steam separator 340 into the drain valve 350, and is thus discharged into the atmosphere.
Alternatively, the hydrogen circulation pump 330 is located behind the hydrogen injector 320, the steam-water separator 340 and the drain valve 350, the hydrogen injector 320 is located above the steam-water separator 340, and the drain valve 350 is located below the steam-water separator 340.
As shown in fig. 1, in some embodiments, the cooling circulation system is mounted on the first side fixing plate 110, i.e., the cooling circulation system is located at the left side of the fuel cell 200.
The cooling circulation system includes a cooling medium outlet pipe 412, a heater, a thermostat 430, a cooling circulation water pump 420, and a cooling medium inlet pipe 411.
A first end of the cooling medium outlet pipe 412 is connected to the water outlet of the sixth side 232 of the distributor 230, and a second end of the cooling medium outlet pipe 412 is connected to the inlet of the heater. The cooling medium discharged from the water outlet of the dispenser 230 is introduced into the heater through the cooling medium outlet pipe 412.
The thermostat 430 includes a first inlet, a second inlet, and a thermostat outlet, the thermostat outlet of the thermostat 430 communicates with each of the first and second inlets of the thermostat 430, the first inlet of the thermostat 430 is connected with the outlet of the heater, and the second inlet of the thermostat 430 is connectable with a heat sink outside the fuel cell engine 1000. When the fuel cell engine 1000 is just started, the temperature of the fuel cell 200 needs to be raised, and at this time, the heater is operated to warm the cooling medium so that the fuel cell 200 is operated at an appropriate temperature. After the fuel cell 200 operates for a period of time, the fuel cell 200 does not need to be heated and needs to be cooled, at this time, the heater stops operating, and the heat sink outside the fuel cell engine 1000 is connected with the second inlet of the thermostat 430 to cool the cooling medium, so as to reduce the temperature of the fuel cell 200, and enable the fuel cell 200 to operate at a proper temperature. The cooling circulation water is temperature-controlled by a heat sink and a heater provided outside the fuel cell engine 1000.
The second inlet of the thermostat 430 is connectable to a heat sink external to the fuel cell engine 1000 by: when the fuel cell 200 needs to be cooled, the second inlet of the thermostat 430 is connected to a heat sink outside the fuel cell engine 1000, and the heat sink cools the cooling medium in the thermostat 430, so as to reduce the temperature of the fuel cell 200, and enable the fuel cell 200 to operate at a suitable temperature. When the fuel cell 200 does not need to be cooled, the second inlet of the thermostat 430 may or may not be connected to a heat sink outside the fuel cell engine 1000. An inlet of the cooling circulation water pump 420 is connected to a thermostat outlet of the thermostat 430, a first end of the cooling medium inlet pipe 411 is connected to an outlet of the cooling circulation water pump 420, and a second end of the cooling medium inlet pipe 411 passes through the first side 211 of the first end cap 210 to be connected to an inlet of the dispenser 230. The cooling medium introduced into the cooling circulation water pump 420 from the thermostat 430 enters the water inlet of the distributor 230 through the cooling medium inlet pipe 411, and further enters the cooling chamber of the fuel cell 200.
The cooling circulation water pump 420, the thermostat 430, and the heater are electrically connected to the power distribution device 600, and the power distribution device 600 supplies power to the cooling circulation water pump 42011, the thermostat 4309, and the heater.
Alternatively, the cooling-cycle water pump 420 is located in front of the thermostat 430 and the heater, and the thermostat 430 is located to the left of the heater.
In some embodiments, the cooling circulation system is located below the hydrogen supply system, facilitating installation of the cooling circulation system and the hydrogen supply system.
As shown in fig. 5, in some embodiments, the air supply system is mounted on the third side fixing plate 130, i.e., the air supply system is located under the fuel cell 200.
The air supply system includes an air humidifier 520 and a throttle valve 530 and a second conduit assembly including a fourth conduit and a fifth conduit. The air humidifier 520 includes a first chamber and a second chamber, the first chamber and the second chamber cooperate such that air in the first chamber may exchange heat with air in the second chamber.
The first inlet of the first chamber is communicated with the atmosphere, the first end of the fourth pipe is connected to the first outlet of the first chamber, and the second end of the fourth pipe passes through the third side 213 of the first cap 210 to be connected to the air inlet of the distributor 230. Therefore, the air humidified by the air entering the first chamber of the air humidifier 520 enters the air inlet of the distributor 230 through the fourth pipe, and then enters the air chamber of the fuel cell 200.
A first end of the fifth pipe is connected to the second inlet of the second chamber, and a second end of the fifth pipe passes through the third side 213 of the first cap 210 to be connected to the air outlet of the distributor 230. Accordingly, the air coming out of the air outlet of the dispenser 230 enters the second chamber of the air humidifier 520 through the fifth pipe. The air temperature coming out of the air outlet of the distributor 230 is high, and the first cavity is matched with the second cavity, so that the air in the first cavity can exchange heat with the air in the second cavity, the air temperature in the first cavity can be increased, and the temperature of the air entering the fuel cell 200 meets the requirement.
The inlet of the damper 530 is connected to the second outlet of the second chamber of the air humidifier 520, and the outlet of the damper 530 is connected to the atmosphere. The air in the second chamber of the air humidifier 520 enters the throttle valve 530 and is then discharged to the atmosphere.
The air humidifier 520 and the throttle valve 530 are electrically connected to the power distribution device 600. The power distribution device 600 provides power to the air humidifier 520 and the throttle valve 530.
Optionally, an air humidifier 520 is located behind a throttle 530.
In some embodiments, the fuel cell 200 is mounted in the mounting space by bolts, the hydrogen gas supply system is mounted on the first side fixing plate 110 by bolts, the air supply system is mounted on the third side fixing plate 130 by bolts, the cooling circulation system is mounted on the first side fixing plate 110 by bolts, and the power distribution device 600 is mounted on the second side fixing plate 120. The fuel cell 200, the hydrogen gas supply system, the cooling circulation system, the air supply system, and the electric power distribution device 600 can thereby be easily mounted and dismounted.
The power distribution unit 600 is mounted on the second side fixing plate 120, the power distribution unit 600 is electrically connected to the fuel cell 200, and the power distribution unit 600 supplies power to the hydrogen supply system, the cooling circulation system, and the air supply system, thereby ensuring the normal operation of the fuel cell engine 1000.
In some embodiments, the lower end of the first side fixing plate 110 is located below the third side fixing plate 130, and the installation space of the first side fixing plate 110 is increased, so that the cooling circulation system can be completely installed on the first side fixing plate 110.
In some embodiments, the water outlet of the distributor 230 is located at the lower end of the sixth side 232 of the distributor 230 such that the pipe connected to the water outlet of the distributor 230 is closer to the lower side, thereby enabling higher integration of the fuel cell engine 1000.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the 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 therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A fuel cell engine, comprising:
a fixing frame including a first side fixing plate, a second side fixing plate, a third side fixing plate, and a fourth side fixing plate connected to define an installation space, wherein the first side fixing plate and the second side fixing plate are opposite in a first direction, and the third side fixing plate and the fourth side fixing plate are opposite in a second direction;
a fuel cell mounted in the mounting space, the fuel cell including a housing, a stack, a distributor, and first and second end covers opposing in a third direction, the first end cover and the second end cover are arranged at two ends of the shell, an installation cavity is defined among the first end cover, the second end cover and the shell, the electric pile is arranged in the mounting cavity, the distributor is arranged between the electric pile and the first end cover, the first end cap having first and second sides opposite in the first direction, the first end cap having third and fourth sides opposite in the second direction, the dispenser has a fifth side and a sixth side opposite in the first direction, wherein the first direction, the second direction, and the third direction are perpendicular to each other;
a hydrogen supply system installed on the first side fixing plate, a first pipe assembly of the hydrogen supply system being connected to the fifth side of the distributor;
a cooling circulation system installed on the first side fixing plate, a cooling medium inlet pipe of the cooling circulation system passing through the first side surface of the first end cap to be connected with the distributor, and a cooling medium outlet pipe of the cooling circulation system being connected with the sixth side surface of the distributor;
an air supply system mounted on the third side fixing plate, a second pipe assembly of the air supply system passing through the third side of the first end cap to be connected with the dispenser; and
a power distribution device mounted on the second side fixing plate, the power distribution device being electrically connected with the fuel cell.
2. The fuel cell engine according to claim 1, wherein the first side fixing plate, the second side fixing plate, the third side fixing plate, and the fourth side fixing plate are connected in series, the first direction is a left-right direction, the second direction is an up-down direction, and the third direction is a front-back direction, wherein the first side fixing plate is located on a left side of the second side fixing plate, the third side fixing plate is located below the fourth side fixing plate, and the first side surface and the fifth side surface are located on a same side of the stack.
3. The fuel cell engine according to claim 2, wherein the hydrogen gas supply system includes:
the first pipeline assembly comprises a first pipeline, a second pipeline and a third pipeline;
a hydrogen injector, a first end of the first line being connected to an outlet of the hydrogen injector, a second end of the first line being connected to a hydrogen inlet on the fifth side of the distributor;
a first end of the third pipeline is connected with an inlet of the steam-water separator, and a second end of the third pipeline is connected with a hydrogen outlet on the fifth side surface of the distributor;
a gas outlet of the steam-water separator is connected with an inlet of the hydrogen circulating pump, a first end of the second pipeline is connected with an outlet of the hydrogen circulating pump, and a second end of the second pipeline is connected with a hydrogen inlet on the fifth side surface of the distributor; and
the water outlet of the steam-water separator is connected with the inlet of the drain valve;
optionally, the hydrogen circulation pump and the trap are electrically connected to the power distribution device.
4. The fuel cell engine of claim 3, wherein the hydrogen circulation pump is located behind the hydrogen injector, the steam-water separator, and the trap, the hydrogen injector is located above the steam-water separator, and the trap is located below the steam-water separator.
5. The fuel cell engine according to claim 2, wherein the cooling circulation system includes:
a first end of the cooling medium outlet pipe is connected with a water outlet of the sixth side face of the distributor;
the second end of the cooling medium outlet pipe is connected with an inlet of the heater;
a thermostat comprising a first inlet, a second inlet, and a thermostat outlet, the thermostat outlet of the thermostat in communication with each of the first and second inlets of the thermostat, wherein the first inlet of the thermostat is connected with an outlet of the heater and the second inlet of the thermostat is connectable with an external heat sink;
the inlet of the cooling circulating water pump is connected with the thermostat outlet of the thermostat; and
the first end of the cooling medium inlet pipe is connected with an outlet of the cooling circulating water pump, and the second end of the cooling medium inlet pipe penetrates through the first side face of the first end cover so as to be connected with a water inlet of the distributor;
optionally, the cooling circulation water pump, the thermostat and the heater are electrically connected with the power distribution device;
optionally, the cooling circulation water pump is located in front of the thermostat and the heater, and the thermostat is located to the left of the heater.
6. The fuel cell engine according to claim 5, wherein the cooling circulation system is located below the hydrogen supply system.
7. The fuel cell engine of claim 2, wherein the air supply system comprises:
the second pipeline assembly comprises a fourth pipeline and a fifth pipeline;
an air humidifier comprising a first chamber and a second chamber, the first chamber cooperating with the second chamber such that air within the first chamber is capable of exchanging heat with air within the second chamber, the first chamber having a first inlet and a second outlet, the second chamber having a second inlet and a second outlet, wherein a first end of the fourth conduit is connected to the first outlet of the first chamber, a second end of the fourth conduit passes through the third side of the first endcap so as to be connected to the air inlet of the dispenser, a first end of the fifth conduit is connected to the second inlet of the second chamber, and a second end of the fifth conduit passes through the third side of the first endcap so as to be connected to the air outlet of the dispenser; and
the inlet of the throttle valve is connected with the second outlet of the second cavity;
optionally, the air humidifier and the throttle valve are electrically connected with the power distribution device;
optionally, the air humidifier is located behind the throttle.
8. The fuel cell engine according to claim 2, wherein the fuel cell is mounted in the mounting space by bolts, the hydrogen gas supply system is mounted on the first side fixing plate by bolts, the air supply system is mounted on the third side fixing plate by bolts, the cooling circulation system is mounted on the first side fixing plate by bolts, and the electric power distribution device is mounted on the second side fixing plate.
9. The fuel cell engine according to claim 2, wherein a lower end of the first side fixing plate is located below the third side fixing plate.
10. The fuel cell engine according to claim 5, wherein the water outlet of the distributor is located at a lower end portion of the sixth side of the distributor.
CN202010980307.8A 2020-09-17 2020-09-17 Fuel cell engine Pending CN112151846A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010980307.8A CN112151846A (en) 2020-09-17 2020-09-17 Fuel cell engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010980307.8A CN112151846A (en) 2020-09-17 2020-09-17 Fuel cell engine

Publications (1)

Publication Number Publication Date
CN112151846A true CN112151846A (en) 2020-12-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010980307.8A Pending CN112151846A (en) 2020-09-17 2020-09-17 Fuel cell engine

Country Status (1)

Country Link
CN (1) CN112151846A (en)

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