CN114006007A - Gas regulating assembly, fuel cell and vehicle - Google Patents
Gas regulating assembly, fuel cell and vehicle Download PDFInfo
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- CN114006007A CN114006007A CN202111260012.4A CN202111260012A CN114006007A CN 114006007 A CN114006007 A CN 114006007A CN 202111260012 A CN202111260012 A CN 202111260012A CN 114006007 A CN114006007 A CN 114006007A
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- 239000000446 fuel Substances 0.000 title claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 title description 13
- 230000003750 conditioning effect Effects 0.000 claims abstract description 43
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 5
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 137
- 238000006243 chemical reaction Methods 0.000 abstract description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 14
- 239000001257 hydrogen Substances 0.000 abstract description 13
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 13
- 238000010248 power generation Methods 0.000 abstract description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000010354 integration Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—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
-
- 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
- H01M8/04298—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
-
- 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
-
- 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)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Fuel Cell (AREA)
Abstract
The invention provides a gas conditioning assembly, a fuel cell and a vehicle, the gas conditioning assembly comprising: the integrated module is provided with an air inlet and an air outlet which are communicated with each other, the air inlet comprises a first air inlet used for being connected with an air source and a second air inlet used for being connected with an outlet of the galvanic pile, and the air outlet is used for being connected with an inlet of the galvanic pile. The first air inlet can make high-pressure hydrogen in the air supply can get into the integrated module through first air inlet in, the second air inlet is connected with the export of electric pile, the second air inlet can insert the residual gas after the electric pile reaction again on the integrated module after through soda shunt and circulating device for reaction in can reentrant electric pile after the reaction, and then promoted gaseous temperature and humidity. Meanwhile, various gas supply control parts are integrated together, so that the gas leakage rate of an external pipeline joint is reduced, the safe and reliable operation of the system is ensured, the overall size and weight are reduced, and the power density and the power generation efficiency are improved.
Description
Technical Field
The present application relates to the field of fuel cells, and more particularly, to gas conditioning assemblies, fuel cells, and vehicles.
Background
The fuel cell power generation process needs hydrogen input from the anode, high-pressure hydrogen is in the hydrogen storage tank and cannot be directly supplied, the hydrogen is input to the front end of the system after being subjected to multi-stage pressure reduction and still is in a high-pressure state, and a pressure adjusting device of the system is needed to accurately control the pressure of the hydrogen entering the pile according to the current demand of the system; the pressure difference between the two sides of the reaction membrane is ensured to be within a normal range, the electric pile is prevented from being damaged by overshoot, and a pressure release valve is required to be arranged. In order to ensure full reaction, the hydrogen fed into the reactor is excessive, and the residual hydrogen after reaction is not recycled, so that waste is caused, and the fuel utilization rate is reduced. Present part kind is many, and the interface specification is different, and the integrated level is poor, and the pipe connection is more, and the leakage risk is big more, poor stability, and is bulky, is unfavorable for the installation to be maintained.
Therefore, how to obtain a gas regulating assembly with high integration level, less pipeline connection and high hydrogen utilization rate becomes a problem to be solved urgently.
Disclosure of Invention
To solve the above technical problems, an object of the present invention is to provide a gas conditioning assembly.
It is a further object of the present invention to provide a fuel cell including the above gas conditioning assembly.
It is a further object of the present invention to provide a vehicle including the above-described gas conditioning assembly and a fuel cell.
The technical scheme of the first aspect of the invention provides a gas regulating assembly, which comprises an integrated module, wherein a gas inlet and a gas outlet which are communicated with each other are arranged on the integrated module, the gas inlet comprises a first gas inlet which is used for being connected with a gas source and a second gas inlet which is used for being connected with an outlet of a galvanic pile, and the gas outlet is used for being connected with an inlet of the galvanic pile.
According to the technical scheme, the gas regulating assembly comprises an integrated module, wherein a gas inlet and a gas outlet which are communicated with each other are arranged on the integrated module, the gas inlet comprises a first gas inlet used for being connected with a gas source and a second gas inlet used for being connected with an outlet of a galvanic pile, and the gas outlet is used for being connected with an inlet of the galvanic pile. Admit air to the integrated module in through the air inlet on this integrated module, wherein the air inlet includes the first air inlet of being connected with the air supply, make high-pressure hydrogen in the air supply can get into the integrated module in through first air inlet, still including the second air inlet on the integrated module simultaneously, the second air inlet is connected with the export of pile, the second air inlet can be with the surplus gas after the pile reaction insert the integrated module again after through soda shunt and circulating device etc. on, make the gas after the reaction can get into the pile reaction once more, and then promoted gaseous temperature and humidity, simultaneously, the surplus gas after the reaction mixes and then has promoted reaction efficiency with the gas that gets into in the integrated module from the second air inlet again, and promoted gaseous utilization ratio.
Further, the gas regulating assembly further comprises a switch valve, and the switch valve is integrally installed on the integrated module and at the first gas inlet and used for opening or closing the first gas inlet.
In this technical scheme, the gas regulation assembly still includes the ooff valve, and the ooff valve integration is installed on the box, sets up in first air inlet department, can be used for opening or close first air inlet, is used for controlling the gaseous entering that the air supply lets in.
Further, the gas conditioning assembly further comprises: and the proportional valve is integrally installed on the integrated module, is arranged close to the first air inlet and is used for adjusting the opening degree of the first air inlet communicated with the air outlet.
In this technical scheme, gaseous regulation assembly is still including the proportional valve, and the proportional valve is integrated to be installed on the integrated module to the setting is behind the ooff valve, can enter into the proportional valve after gaseous entering into the integrated module, and the proportional valve can step down the high-pressure gas of output in the air supply, makes the gas pressure of inputing the galvanic pile at the gas outlet satisfy air feed pressure and flow demand.
Furthermore, an ejector nozzle and/or a venturi tube are/is arranged on the proportional valve.
Can be provided with ejector nozzle and/or venturi on the proportional valve among this technical scheme, ejector nozzle or venturi can further promote gas circulation utilization, reduce the consumption.
Further, the gas conditioning assembly further comprises: and the pressure relief valve is integrally installed on the integrated module, is arranged close to the gas outlet and is used for controlling the gas pressure at the gas outlet.
In the technical scheme, the gas outlet is provided with the pressure relief valve which can control the gas pressure discharged from the gas outlet so as to ensure that the pressure of the reactor gas meets the required pressure range.
Further, the gas conditioning assembly further comprises: sensor for detecting pressure, the sensor comprising at least: and the primary sensor is arranged at the outlet of the proportional valve and used for detecting the pressure at the outlet of the proportional valve.
In this technical scheme, be provided with the sensor that is used for detecting pressure and include: the first-level sensor is arranged at the outlet of the proportional valve and can detect the pressure of the gas after pressure relief.
Still further, the sensor further comprises at least: and the secondary sensor is arranged at the inlet of the proportional valve and used for detecting the pressure at the inlet of the proportional valve.
In this solution, a two-stage sensor is provided, which is arranged at the inlet of the proportional valve and is able to detect the pressure of the gas entering the integration module from the gas source.
Further, the primary sensor comprises a temperature and pressure integrated sensor.
In this technical scheme, the primary sensor is the integrative sensor of temperature pressure, can detect the temperature and the pressure of the gaseous of entering galvanic pile simultaneously.
Further, the gas conditioning assembly further comprises: and the controller is connected with the primary sensor and the secondary sensor and is used for controlling the air outlet pressure of the air outlet according to the pressure detected by the secondary sensor and the target value of the primary sensor.
In this technical scheme, the gas regulation assembly is still including the controller, is connected between controller and one-level sensor and the second grade sensor, can come the aperture of control proportional valve according to the pressure value that the second grade sensor detected and the target value of one-level sensor, and then makes gas flow dynamic change to satisfy air feed pressure and flow demand. Meanwhile, the switching valve, the proportional valve and the pressure release valve can cover the hydrogen supply requirement of the 0-150kw galvanic pile and the medium-voltage and high-voltage galvanic pile requirements.
The target value of the first-stage sensor can be obtained by looking up the table through the value of the second-stage sensor. The target value of the first-stage sensor and the detection value of the second-stage sensor can be set in advance, so that after the value detected by the second-stage sensor is detected, the target value of the first-stage sensor can be known, and then the proportional valve, the pressure release valve and the like can be controlled conveniently based on the required target pressure value, so that the pressure discharged from the air outlet can meet the preset target pressure value.
Furthermore, the material of the integrated module is stainless steel or aluminum alloy.
In this technical scheme, the material of collection moulding piece is stainless steel material or is the aluminum alloy material.
Further, the integrated module is formed by injection molding.
In this solution, the integrated module is injection molded.
Furthermore, the integrated module is provided with a mounting hole for mounting.
In the technical scheme, the integrated module is provided with a mounting hole for mounting. And the end plate is provided with a fixing point matched with the mounting hole, so that the integrated module is more firmly mounted.
In an embodiment of the second aspect of the present invention, a fuel cell is provided, which includes the gas conditioning assembly of any one of the embodiments of the first aspect.
According to an aspect of the present invention, there is provided a fuel cell including the gas conditioning assembly of any one of the first aspect. Therefore, the fuel cell has all the technical effects of the gas conditioning assembly provided by any one of the embodiments of the first aspect, and the details are not repeated herein.
In an embodiment of the third aspect of the present invention, a vehicle is provided, which includes the gas conditioning assembly in the first aspect or the fuel cell provided in the second aspect.
According to the vehicle provided by the technical scheme of the invention, the vehicle comprises the gas regulating assembly provided by the embodiment of any one of the first aspect or the fuel cell in any one of the second aspect. Therefore, the vehicle has the full technical effects of the gas conditioning assembly provided in the embodiment of the first aspect and the fuel cell in the technical solution of the second aspect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of embodiments of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 illustrates a schematic diagram of a gas conditioning assembly provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second configuration of a gas conditioning assembly provided by an embodiment of the present invention;
FIG. 3 is a third schematic diagram of a gas conditioning assembly provided by an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating a fourth configuration of a gas conditioning assembly provided by an embodiment of the present invention;
FIG. 5 is a schematic diagram of a fifth configuration of a gas conditioning assembly provided by an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the names of the components in fig. 1 to 5 is as follows:
1 first air inlet, 2 second air inlets, 3 gas outlets, 4 ooff valves, 5 proportional valves, 6 relief valves, 7 one-level sensors, 8 second-level sensors, 9 mounting holes.
Detailed Description
In order that the above objects, features and advantages of the embodiments according to the present invention can be more clearly understood, embodiments according to the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of embodiments according to the invention, however, embodiments according to the invention may be practiced in other ways than those described herein, and therefore the scope of protection of this application is not limited by the specific embodiments disclosed below.
A gas conditioning assembly provided by an embodiment of the present invention is described below with reference to fig. 1 to 5.
The embodiment of the first aspect of the invention provides a gas regulating assembly, which comprises an integrated module, wherein a gas inlet and a gas outlet 3 which are communicated with each other are arranged on the integrated module, the gas inlet comprises a first gas inlet 1 connected with a gas source and a second gas inlet 2 connected with a pile outlet, and the gas outlet 3 is connected with a pile inlet.
As shown in fig. 1, the gas regulating assembly provided in the embodiment of the present invention includes an integrated module, the integrated module is provided with a gas inlet and a gas outlet 3, the gas inlet includes a first gas inlet 1 for connecting with a gas source and a second gas inlet 2 for connecting with a stack outlet, and the gas outlet 3 is used for connecting with a stack inlet. Admit air to the integrated module in through the air inlet on this integrated module, wherein the air inlet includes the first air inlet 1 of being connected with the air supply, make high-pressure hydrogen in the air supply can get into the integrated module in through first air inlet 1, still including second air inlet 2 on the integrated module simultaneously, second air inlet 2 is connected with the export of electric pile, second air inlet 2 can insert the residual gas after the electric pile reaction again on the integrated module after through soda shunt and circulating device etc. make the gas after the reaction can get into the electric pile reaction once more, and then promoted gaseous temperature and humidity, simultaneously, the residual gas after the reaction mixes and then has promoted reaction efficiency with the gas that gets into in the integrated module from second air inlet 2 again, and promoted gaseous utilization ratio. Meanwhile, the multiple gas supply control parts are integrated together, so that the gas leakage rate of an external pipeline joint can be greatly reduced, the safe and reliable operation of the system is ensured, the overall volume and weight are greatly reduced, the power density and the power generation efficiency are improved, and the attractiveness is improved.
Further, as shown in fig. 2, the gas regulating assembly further includes a switching valve 4 integrally installed at the first gas inlet 1 on the integrated module for opening or closing the first gas inlet 1.
In this embodiment, the gas regulating assembly further includes a switch valve 4, and the switch valve 4 is integrally installed on the box body and is disposed at the first gas inlet 1, and can be used to open or close the first gas inlet 1, that is, to control the inlet of the gas introduced from the gas source.
Further, as shown in fig. 3, the gas conditioning assembly further includes: and the proportional valve 5 is integrally installed on the integrated module, is arranged close to the first air inlet 1, and is used for adjusting the opening degree of the conduction of the first air inlet 1 and the air outlet 3.
In this embodiment, the gas regulating assembly further includes a proportional valve 5, the proportional valve 5 is integrally installed on the integrated module, and is arranged behind the switch valve 4, and the gas enters the integrated module and then enters the proportional valve 5, and the proportional valve 5 can reduce the pressure of the high-pressure gas output from the gas source, so that the gas pressure input to the cell stack at the gas outlet 3 meets the gas supply pressure and flow demand.
Further, an ejector nozzle and/or a venturi tube is/are arranged on the proportional valve 5.
In the embodiment, an ejector nozzle and/or a venturi tube can be arranged on the proportional valve 5, and the ejector nozzle and/or the venturi tube can further improve the gas circulation utilization rate and reduce the power consumption.
Further, as shown in fig. 4, the gas conditioning assembly further includes: and the pressure release valve 6 is integrally installed on the integrated module, is arranged close to the gas outlet 3 and is used for controlling the gas pressure at the gas outlet 3.
In this embodiment, a pressure relief valve 6 is provided at the gas outlet 3 to control the pressure of the gas exiting the gas outlet to ensure that the pressure of the reactor gas meets the desired pressure range.
Further, as shown in fig. 5, the gas conditioning assembly further includes: sensor for detecting pressure, the sensor comprising at least: and the primary sensor 7 is arranged at the outlet of the proportional valve 5 and is used for detecting the pressure at the outlet of the proportional valve 5.
In this embodiment, the sensor provided to detect the pressure includes: and the primary sensor 7, wherein the primary sensor 7 is arranged at the outlet of the proportional valve 5 and can detect the pressure of the decompressed gas.
Further, as shown in fig. 2 and 3, the sensor further includes at least: and a secondary sensor 8 arranged at the inlet of the proportional valve 5 for detecting the pressure at the inlet of the proportional valve 5.
In this embodiment, a secondary sensor 8 is provided, arranged at the inlet of the proportional valve 5, able to detect the pressure of the gas entering the integrated module from the gas source.
Further, the primary sensor 7 includes a temperature and pressure integrated sensor.
In this embodiment, the primary sensor 7 is a temperature and pressure integrated sensor capable of simultaneously detecting the temperature and pressure of the gas entering the stack.
Further, the gas conditioning assembly further comprises: and the controller is connected with the primary sensor and the secondary sensor and is used for controlling the air outlet pressure of the air outlet 3 according to the pressure detected by the secondary sensor and the target value of the primary sensor.
In this embodiment, the gas regulating assembly further includes a controller, the controller is connected with the first-stage sensor 7 and the second-stage sensor 8, and the opening degree of the proportional valve 5 can be controlled according to the pressure value detected by the second-stage sensor 8 and the target value of the first-stage sensor 7, so that the gas flow rate dynamically changes to meet the gas supply pressure and flow rate requirements. Meanwhile, the switching valve 4, the proportional valve 5 and the pressure release valve 6 can cover the hydrogen supply requirement of the 0-150kw galvanic pile and the medium-voltage and high-voltage galvanic pile requirements.
Wherein, the target value of the primary sensor 7 can be obtained by looking up the table through the value of the secondary sensor 8. Namely, a correlation table between the target value of the primary sensor 7 and the detection value of the secondary sensor 8 may be set in advance, so that the target value of the primary sensor 7 can be known after the value detected by the secondary sensor 8 is detected, and then the proportional valve 5, the relief valve 6, and the like are controlled based on the required target pressure value, so that the pressure discharged from the air outlet can satisfy the predetermined target pressure value.
Furthermore, the material of the integrated module is stainless steel or aluminum alloy.
In this embodiment, the integrated module is made of stainless steel or aluminum alloy. The integrated module made of stainless steel has better impact resistance and corrosion resistance, while the integrated module made of aluminum alloy has lighter weight, corrosion resistance and oxidation resistance.
Further, the integrated module is formed by injection molding.
In this embodiment, the integrated module is formed by injection molding. The sealing performance of the integrated module formed by injection molding is better, and gas leakage can be effectively prevented.
Further, the integrated module is provided with mounting holes 9 for mounting.
In this embodiment, the integrated module is provided with mounting holes 9 for mounting. And the end plate is provided with a fixed point matched with the mounting hole 9, so that the integrated module is more firmly mounted.
It is understood that a plurality of interfaces for installing devices such as the switching valve 4, the proportional valve 5, the sensor and the like are arranged on the integrated module. Namely, the integrated module is assembled with the switch valve 4, the proportional valve 5, the sensor and the like into a whole, namely, an assembly.
In a specific embodiment, the gas conditioning assembly comprises a first gas inlet 1, a second gas inlet 2, a gas outlet 3, an on-off valve 4, a proportional valve 5, a pressure relief valve 6 and a sensor. In this configuration, a second gas inlet 2 for recycling hydrogen gas or the like is provided, which is connected to the stack outlet. And the switch valve 4, the proportional valve 5, the sensor and the like are integrally installed on the integrated module, so that the effect of integrating a plurality of gas supply control parts is realized, the gas leakage rate of an external pipeline joint can be greatly reduced, the safe and reliable operation of the system is ensured, the overall volume and weight are greatly reduced, the power density and the power generation efficiency are improved, and the attractiveness is improved.
In an embodiment of the second aspect of the present invention, a fuel cell is provided, which includes the gas conditioning assembly in any one of the embodiments of the first aspect.
According to an embodiment of the invention there is provided a fuel cell comprising a gas conditioning assembly as in any of the embodiments of the first aspect. Therefore, the fuel cell has all the technical effects of the gas conditioning assembly provided by any one of the embodiments of the first aspect, and the details are not repeated herein.
In an embodiment of the third aspect of the invention, a vehicle is provided, which includes the gas conditioning assembly in any embodiment of the first aspect or the fuel cell provided in the second aspect. Therefore, the vehicle has the full technical effects of the gas conditioning assembly provided in any one of the embodiments of the first aspect and the fuel cell in any one of the embodiments of the second aspect.
In the description of the present specification, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. Specific meanings of the above terms in the embodiments according to the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the description of the present specification, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing embodiments and simplifying the description according to the present invention, and do not indicate or imply that the referred devices or units must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the technical solution of the present application.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example in accordance with the invention. In this specification, the schematic representations of the terms used above do not necessarily 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.
The above is only a preferred embodiment according to the present invention, and is not intended to limit the technical solution of the present application, and it is obvious to those skilled in the art that various modifications and changes can be made to the technical solution of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the technical scheme of the application shall be included in the protection scope of the application.
Claims (12)
1. A gas conditioning assembly, comprising:
the integrated module is provided with an air inlet and an air outlet, the air inlet comprises a first air inlet used for being connected with an air source and a second air inlet used for being connected with an electric pile outlet, and the air outlet is used for being connected with an electric pile inlet.
2. The gas conditioning assembly of claim 1, further comprising:
and the switch valve is integrally installed on the integrated module at the first air inlet and is used for opening or closing the first air inlet.
3. The gas conditioning assembly of claim 1, further comprising:
and the proportional valve is integrally installed on the integrated module, is close to the first air inlet and is used for adjusting the opening degree of the first air inlet communicated with the air outlet.
4. The gas conditioning assembly of claim 3,
and the proportional valve is also provided with an ejector nozzle and/or a Venturi tube.
5. The gas conditioning assembly of claim 1, further comprising:
and the pressure relief valve is integrally installed on the integrated module, is arranged close to the gas outlet and is used for controlling the gas pressure at the gas outlet.
6. The gas conditioning assembly of claim 3, further comprising:
sensor for detecting pressure, the sensor comprising at least: and the primary sensor is arranged at the outlet of the proportional valve and used for detecting the pressure at the outlet of the proportional valve.
7. The gas conditioning assembly of claim 6, wherein the sensor further comprises at least:
and the secondary sensor is arranged at the inlet of the proportional valve and used for detecting the pressure at the inlet of the proportional valve.
8. The gas conditioning assembly of claim 7,
the primary sensor or the secondary sensor comprises a temperature and pressure integrated sensor.
9. The gas conditioning assembly of claim 7, further comprising:
and the controller is connected with the primary sensor and the secondary sensor and is used for controlling the air outlet pressure of the air outlet according to the pressure detected by the secondary sensor and the target value of the primary sensor.
10. The gas conditioning assembly of any of claims 1 to 9,
the integrated module is made of stainless steel or aluminum alloy; and/or
The integrated module is formed by injection molding; and/or
And the integrated module is provided with a mounting hole for mounting.
11. A fuel cell comprising a gas conditioning assembly as claimed in any one of claims 1 to 10.
12. A vehicle comprising a gas conditioning assembly as claimed in any one of claims 1 to 10, or comprising a fuel cell as claimed in claim 11.
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