WO2008126668A1 - 燃料電池システム及び移動体 - Google Patents
燃料電池システム及び移動体 Download PDFInfo
- Publication number
- WO2008126668A1 WO2008126668A1 PCT/JP2008/055612 JP2008055612W WO2008126668A1 WO 2008126668 A1 WO2008126668 A1 WO 2008126668A1 JP 2008055612 W JP2008055612 W JP 2008055612W WO 2008126668 A1 WO2008126668 A1 WO 2008126668A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fuel cell
- air
- air cleaner
- cell system
- case
- Prior art date
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Classifications
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- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
- B60L58/33—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by cooling
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
- B60L58/34—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by 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
- H01M8/04223—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
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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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0432—Temperature; Ambient temperature
- H01M8/04358—Temperature; Ambient temperature of the coolant
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0432—Temperature; Ambient temperature
- H01M8/04365—Temperature; Ambient temperature of other components of a fuel cell or fuel cell stacks
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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
- H01M8/04298—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
- H01M8/04701—Temperature
- H01M8/04738—Temperature of 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
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
- H01M8/0687—Reactant purification by the use of membranes or filters
-
- 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
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
-
- 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
-
- 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
-
- 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
Definitions
- the present invention relates to a fuel cell system provided with an air cleaner, and a mobile body provided with the fuel cell system.
- a fuel cell vehicle equipped with a fuel cell system is known (see, for example, JP-A-2004-182220).
- outside air is sucked by a pump via an air tailor, and the sucked outside air is pumped to the fuel cell as an oxidant gas.
- the air cleaner has a case in which outside air is introduced, and separates foreign matter in the outside air in the case. The outside air filtered by the separation is discharged to the supply path outside the case and supplied to the fuel cell.
- snow-carrying outside air can be introduced into the air cleaner.
- the introduced snow is separated in the case as well as foreign matter, but the separated snow accumulates in the case and may remain unmelted.
- water that has separated or stayed in the case may condense and freeze in the case. If such snow accumulation or moisture freezes, the flow path or filter in the case may be blocked.
- the pump may not be able to supply a sufficient amount of oxidizing gas to the fuel cell, and the output of the fuel cell may not be able to meet the required driving force of the translation motor.
- Japanese Patent Application Laid-Open No. 2004-182220 does not detect anything. i-'Gl / JP2008 / 055 ol 2
- An object of the present invention is to provide a fuel cell system and a moving body that can suppress freezing in an air cleaner.
- a fuel cell system of the present invention comprises a fuel cell, an air cleaner that purifies air supplied to the fuel cell, and a heating means that heats the air cleaner.
- the snow can be melted by heating.
- freezing in the air cleaner can be suppressed even at low temperatures such as below freezing.
- this freezing suppression can prevent the air flow in the air tailor from being hindered, and the air flow rate to the fuel cell can be secured.
- the heating means includes a heater provided in the air cleaner.
- the air cleaner can be heated with a simple configuration.
- the air cleaner includes a case having an air inlet and an air outlet, and a filter disposed in the case between the air inlet and the air outlet.
- the heater is provided on the outer surface side of the case.
- the temperature inside the case can be raised using an existing air cleaner.
- the fuel cell system has a cooling system that circulates and supplies the refrigerant to the constituent devices of the fuel cell system.
- the heating means is composed of a part of the cooling system that supplies the refrigerant that has passed through the components to the air cleaner.
- the temperature of the air cleaner can be increased by exhaust heat of the refrigerant that has flowed through the components of the fuel cell system.
- the exhaust heat from the components of the fuel cell system can be used effectively, and a separate heat source such as a heater is not required.
- the component device is a fuel cell.
- the temperature of the air cleaner can be raised using the exhaust heat of the fuel cell that generates heat by the electrochemical reaction.
- the air cleaner includes a case having an air inlet and an air outlet, and a filter disposed in the case between the air inlet and the air outlet. In the case, a part of the flow path of the cooling system constituting the heating means is formed.
- the fuel cell system includes: a temperature sensor that detects an outside air temperature; and a control device that controls the amount of heating of the air tally by the heating unit based on a detection result of the temperature sensor.
- the air cleaner does not have to be heated at an outside temperature at which the air cleaner does not freeze.
- the air cleaner can be heated when the ambient temperature is such that the air cleaner can freeze, for example, when the ambient temperature is below freezing or when snow is mixed with air. As a result, it is possible to suppress freezing in the air tarina while suppressing consumption of heat energy.
- the freezing of the air cleaner which may be the cause of the decrease
- the air cleaner can be heated when the intake air temperature or the pumping temperature close to the outside air temperature is below freezing.
- the moving body of the present invention for achieving the above object is the above-described fuel cell of the present invention. It is equipped with a system.
- FIG. 1 is a configuration diagram showing a fuel cell system according to the first embodiment.
- FIG. 2 is a schematic cross-sectional view showing the air cleaner and the heater according to the first embodiment.
- FIG. 3 is a schematic cross-sectional view showing an air cleaner and a heater according to a modification of the first embodiment.
- FIG. 4 is a schematic cross-sectional view showing an air cleaner and a cooling circuit according to the second embodiment.
- FIG. 5 is a schematic cross-sectional view showing an air cleaner and a cooling circuit according to the first structural example of the second embodiment.
- FIG. 6 is a schematic cross-sectional view showing an air cleaner and a cooling circuit according to a second structure example of the second embodiment.
- the fuel cell system 1 includes a fuel cell 2, an oxidizing gas piping system 3 for supplying air (oxygen) as an oxidizing gas to the fuel cell 2, and hydrogen gas as a fuel gas.
- a fuel gas piping system 4 that supplies fuel to the fuel cell 2
- a refrigerant piping system 5 that supplies the refrigerant to the fuel cell 2 and cools the fuel cell 2
- a power system 6 that charges and discharges the power of the system 1
- a control device 7 for overall control.
- the fuel cell 2 is formed of, for example, a solid polymer electrolyte type and has a stack structure in which a large number of single cells are stacked.
- the single cell of the fuel cell 2 has an air electrode on one surface of the electrolyte membrane, a fuel electrode on the other surface, and a pair of separators so as to sandwich the air electrode and the fuel electrode from both sides.
- Oxidizing gas is supplied to the oxidizing gas channel 2a of one separator, and fuel gas is supplied to the fuel gas channel 2b of the other separator.
- the fuel cell 2 generates electric power by the electrochemical reaction of the supplied fuel gas and oxidant gas.
- the electrochemical reaction in the fuel cell 2 is an exothermic reaction, and the temperature of the solid polymer electrolyte type fuel cell 2 is approximately 60 to 80 ° C.
- the oxidizing gas piping system 3 has a supply path 11 1 through which oxidizing gas supplied to the fuel cell 2 flows, and a discharge path 12 through which oxidizing off-gas discharged from the fuel cell 2 flows.
- the supply path 11 is provided with a compressor 14 (compressor) that takes in the oxidizing gas via the air cleaner 13 and a humidifier 15 that humidifies the oxidizing gas pumped by the compressor 14.
- Oxidized off-gas flowing through the discharge path 1 2 passes through the back pressure regulating valve 16 and is subjected to moisture exchange in the humidifier 15 and finally exhausted into the atmosphere outside the system as exhaust gas.
- the fuel gas piping system 4 includes a hydrogen supply source 21, a supply path 2 2 through which hydrogen gas supplied from the hydrogen supply source 21 to the fuel cell 2 flows, and a supply path for the hydrogen off-gas discharged from the fuel cell 2.
- 2 Circulation path 2 3 for returning to the junction A of 2 2 and pump 2 4 for pumping the hydrogen off gas in the circulation path 2 3. 'To the supply path 2 2, and branching to the circulation path 2 3
- a connected purge path 25 The hydrogen gas flowing out from the hydrogen supply source 2 1 to the supply path 2 2 by opening the main valve 2 6 is supplied to the fuel cell 2 through the pressure regulating valve 2 7 and other pressure reducing valves and the shutoff valve 28.
- the purge passage 25 is provided with a purge valve 33 for discharging the hydrogen off gas to an external hydrogen diluter (not shown).
- the refrigerant piping system 5 (cooling system) has a refrigerant flow path 4 1, a cooling pump 4 2, a radiator 4 3, a bypass flow path 4 4 and a switching valve 4 5.
- the refrigerant flow path 41 communicates with the cooling flow path 2 c in the fuel cell 2.
- the refrigerant flow path 41 includes a temperature sensor 46 provided near the refrigerant inlet of the fuel cell 2 and a temperature sensor 47 provided near the refrigerant outlet of the fuel cell 2.
- the refrigerant temperature detected by the temperature sensor 47 reflects the internal temperature of the fuel cell 2 (hereinafter referred to as “temperature of the fuel cell 2”).
- the cooling pump 42 is provided in the refrigerant flow path 41, and circulates and supplies the refrigerant in the refrigerant flow path 41 to the fuel cell 2 by driving the motor.
- the radiator 4 3 cools the refrigerant discharged from the fuel cell 2.
- the bypass channel 4 4 bypasses the radiator 4 3.
- the switching valve 4 5 sets the cooling water flow of the radiator 4 3 and the bypass flow path 4 4.
- the electric power system 6 includes a high voltage DCZDC converter 61, a notch 62, a traction motor 6 3, a traction motor 6 4, and various auxiliary dampers 6 5, 6 6, 6 7.
- the high voltage DC / DC converter 6 1 realizes charging / discharging of the battery 6 2 and controls the output voltage of the fuel cell 2.
- Traction inverter 63 converts the direct current into a three-phase alternating current and supplies it to traction motor 64.
- Traction motor 64 is a three-phase AC motor that constitutes a main power source of vehicle 90 on which fuel cell system 1 is mounted, and is connected to wheels 9 1 L and 9 1 R of vehicle 90.
- the trapper impellers 6 5, 6 6 and 6 7 control the driving of the motors of the compressor 1 4, the pump 2 4 and the cooling pump 4 2, respectively.
- the control device 7 is configured as a microcomputer having a CPU, ROM, and RAM therein.
- the CPU executes a desired calculation according to the control program and performs various processes and controls such as control of the heating amount described later.
- the ROM stores control data that is processed by the CPU.
- the RAM is mainly used as various work areas for control processing.
- the control device 7 includes a gas sensor (3, 4), a pressure sensor and a temperature sensor (4 6, 4 7) used in the refrigerant system 5, an accelerator opening sensor for detecting the accelerator opening of the vehicle 90, and an external Inputs detection signals from various sensors such as an outside air temperature sensor 71 that detects the temperature. Then, the control device 7 outputs a control signal to each component.
- FIG. 2 is a cross-sectional view schematically showing the configuration of the air cleaner 13.
- the air cleaner 13 has a box-shaped case 8 1.
- a paper type air filter 8 2 that adsorbs dust in the passing gas (air) is disposed inside the case 8 1.
- the inside of the case 8 1 is partitioned into a suction side space portion 8 1 a and a discharge side space portion 8 1 b.
- the case 81 is provided with an air inlet 83 in the suction side space 8 1 a and an air outlet 84 in the discharge side space 8 1 b.
- the air inlet 83 is open downward and is open to the atmosphere.
- the air outlet 84 is connected to a supply path 11 connected to the compressor 14.
- a drain valve 8 6 is connected to the bottom 8 1 c of the case 8 1.
- the position of the drain valve 86 is preferably in the suction side space portion 81 a that is the space upstream of the air fill 82 2, but is not particularly limited.
- a heater 100 is provided as a heating means for heating the air cleaner 13 to suppress freezing of the air cleaner 13.
- the position of the heater 100 is not limited as long as the temperature inside the case 81 can be increased.
- the heater 100 may be provided inside the case 81.
- the heater 100 is preferably provided in the vicinity of the air filter 8 2. If provided at such a position, the air filter 82 can be heated intensively. As a result, when the air filter 8 2 is frozen, it can be quickly dewatered.
- the case 81 is made of a material having a high heat transfer coefficient in consideration of thermal conductivity into the case 81.
- the heater 100 is electrically connected to the control device 7, and the heating temperature, heating time, heating start timing, heating amount, and the like are controlled by the control device 7. It is not preferable to drive the heater 100 until the air cleaner 13 does not need to be heated because the system efficiency is lowered. for that reason, The heater 100 is preferably driven only when the air cleaner 13 may be frozen or when it is determined that it is frozen. This determination of freezing can be made, for example, by the following four methods.
- the first method uses an outside air temperature sensor 71. Specifically, when the temperature detected by the outside air temperature sensor 71 is below, for example, below freezing (0 ° C), the control device 7 drives the heater 100 to prevent freezing in the case 8 1. To control the heating amount of the heater 100. On the other hand, if the detected temperature of the outside air temperature sensor 71 exceeds the freezing point (0 ° C), the control device 7 should stop the heater 100.
- the second method uses a flow meter 7 2 provided on the downstream side of the compressor 14.
- the control device 7 may drive the heater 100 so as to eliminate the freezing in the case 8 1.
- the heater 100 may remain stopped.
- the third method uses a comparison between the required driving force of the traction motor 64 and the actual driving force, although not particularly shown.
- the air filter 82 is closed due to freezing as described in the second method, and an air flow rate corresponding to the required driving force is supplied to the fuel cell 2. It is thought that it is not. Therefore, in this case, the control device 7 may drive the heater 100 so as to eliminate the freezing in the case 81.
- the heater 100 may remain stopped.
- the fourth method uses the detection results of various state quantities related to the air cleaner 13.
- temperature sensor 1 on air inlet 8 3 side 2 1 and flow meter 1 2 2 are provided, temperature sensor 1 3 1 and flow meter 1 3 2 are provided on the air outlet 8 4 side, and these are electrically connected to the control device 7.
- the temperature sensor 1 2 1 and the flow meter 1 2 2 respectively measure the intake air temperature and the intake air amount of the outside air sucked into the case 8 1.
- the temperature sensor 1 3 1 and the flow meter 1 3 2 measure the pumping temperature and pumping amount of the outside air pumped out of the case 8 1, respectively.
- the temperature sensor 1 2 1 or 1 3 1 may be used to control the heater 100 as in the first method.
- the temperature sensor 1 2 1 continuously determines the possibility of freezing in the case 8 1, and the temperature sensor 1 3 1 increases the temperature in the case 8 1. To determine the heating amount of the heater 100.
- the control device 7 should drive the heater 100 so as to eliminate the freezing in the case 81.
- the heater 100 is driven, the degree of freezing can be grasped by the flow meter 1 32 and the heating amount of the heater 100 can be determined.
- the heater 100 is controlled by the fourth method, all of the intake air temperature, the intake air amount, the pumping temperature and the pumping amount may be detected, but one of them may be detected. Needless to say, the first to fourth methods can be used in combination.
- freezing in the air cleaner 13 can be suppressed by the heater 100. Therefore, a desired air flow rate can be secured for the fuel cell 2 even in a low temperature environment. In other words, since the flow rate of air required for the output of the fuel cell 2 can be supplied to the fuel cell 2, The required driving force of data 6 4 can be satisfied. In addition, the snow melted by the heater 100 stays as a liquid at the bottom of the case 81. However, since the drain valve 86 is provided here, it can be drained to the outside. Therefore, freezing of the bottom of case 8 1 can also be suppressed.
- the heater 100 may start driving immediately after the start of the vehicle 90. However, since the output of the fuel cell 2 is not so required immediately after the start of the vehicle 90, the output of the vehicle 90 is required. The heater 100 may be driven only during the traveling. Second embodiment
- the fuel cell system 1 according to the second embodiment will be described with a focus on the differences with reference to FIGS.
- the difference from the first embodiment is that the refrigerant piping system 5 is used in place of the heater 100 as a heating means for heating the air tailor 13. Since the other points are the same, the same reference numerals are assigned and detailed description thereof is omitted.
- a part of the refrigerant piping system 5 is configured to supply the refrigerant that has passed through the fuel cell 2 to the air cleaner 13 and constitutes a heating means.
- a part of the cooling piping system 5 constituting the heating means is mainly the bypass flow path 4 4. Since the temperature of the refrigerant in the bypass channel 4 4 is raised to a predetermined temperature (temperature of the fuel cell 2) by the power generation reaction of the fuel cell 2, the air cleaner 13 can be heated by using this refrigerant. is there.
- the refrigerant used for heating the air cleaner 13 is not limited to the bypass flow path 4 4, and is a refrigerant discharged from the fuel cell 2 and cooled by the radiator 4 3. It is preferable to use a refrigerant.
- the refrigerant used to heat the air cleaner 13 flows through a branch channel that branches from the bypass channel 4 4 and joins the refrigerant channel 41. Good.
- a refrigerant flow path 200 that is a part of the bypass flow path 44 is formed in the case 81 itself.
- the piping of the refrigerant flow path 200 is embedded in the peripheral wall of the case 81 so that the case 81 can be heated from the circumferential direction.
- the piping of the refrigerant flow path 200 may be spirally embedded in the case 81 so that the case 81 can be heated in a wide area.
- the piping of the refrigerant flow path 20 0 is provided in the vicinity of the air filter 82 2.
- the outer peripheral surface of the pipe 2 10 which is a part of the bypass flow path 44 is provided in contact with the outer surface of the case 81.
- the pipe 2 10 is preferably in contact with the case 81 over a wide area, and may be in contact with the outer surface of the case 81 in a spiral manner in the vicinity of the air filter 82.
- the air cleaner 13 can be heated by the refrigerant flowing through the refrigerant flow path 200 or the pipe 2 10. Therefore, the freezing of the air cleaner 13 can be suppressed and the required driving force of the traction motor 64 can be satisfied, as in the first embodiment, without providing a separate heat source such as the heater 100 of the first embodiment. Can do.
- the air cleaner 13 is heated after determining whether or not the air cleaner 13 is frozen by the first to fourth methods described in the first embodiment. It is good to be determined.
- the heating amount of the air turner 13 is controlled by the control device 7 by controlling the setting position of the switching valve 45 or the cooling amount by the radiator 43 (for example, the rotation speed of the fan attached to the radiator 43). To be executed.
- refrigerant that has flowed through components other than the fuel cell 2 is It may be led to the liner 1 3 and heated.
- refrigerant flowing through equipment such as pump 24, power system 6 equipment, for example, high-voltage DC / DC comparator 61, traction inverter 6 3, and auxiliary inverter 6 5, 6 6, 6 7
- the refrigerant flowing through either of these may be guided to the air cleaner 13.
- the fuel cell system 1 of the present invention can be mounted on a train other than a two-wheeled or four-wheeled vehicle, an aircraft, a ship, a mouth pot, or other moving objects.
- the fuel cell system 1 can be used for stationary use and can be inserted into the cogeneration system.
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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)
- Electric Propulsion And Braking For Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112008000770T DE112008000770B8 (de) | 2007-03-22 | 2008-03-18 | Brennstoffzellensystem und Verwendung eines Brennstoffzellensystems in einem mobilen Körper |
US12/532,367 US8927169B2 (en) | 2007-03-22 | 2008-03-18 | Fuel cell system and mobile body |
CN200880009436XA CN101641820B (zh) | 2007-03-22 | 2008-03-18 | 燃料电池***及移动体 |
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JP2007074216A JP4506771B2 (ja) | 2007-03-22 | 2007-03-22 | 燃料電池システム及び移動体 |
JP2007-074216 | 2007-03-22 |
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US (1) | US8927169B2 (ja) |
JP (1) | JP4506771B2 (ja) |
CN (1) | CN101641820B (ja) |
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Cited By (1)
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US20110197580A1 (en) * | 2010-02-12 | 2011-08-18 | Gm Global Technology Operations, Inc. | System and method for estimating airflow restriction of an engine air filter |
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KR101261924B1 (ko) | 2011-09-28 | 2013-05-09 | 현대자동차주식회사 | 자동차용 에어크리너 시스템 및 이를 이용한 에어크리너의 빙결방지방법 |
JP5982637B2 (ja) * | 2012-04-04 | 2016-08-31 | パナソニックIpマネジメント株式会社 | 燃料電池システム |
JP6724825B2 (ja) * | 2017-03-10 | 2020-07-15 | トヨタ自動車株式会社 | 燃料電池ユニット |
JP7202223B2 (ja) * | 2019-03-11 | 2023-01-11 | 株式会社Subaru | 車両 |
JP6986051B2 (ja) * | 2019-06-26 | 2021-12-22 | 本田技研工業株式会社 | エアクリーナ |
JP7256710B2 (ja) * | 2019-07-10 | 2023-04-12 | 株式会社東芝 | 吸気予熱装置および燃料電池発電システム |
US11866169B2 (en) | 2020-08-07 | 2024-01-09 | Textron Innovations Inc. | System and method for supplying passively filtered ram air to a hydrogen fuel cell of a UAV |
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Also Published As
Publication number | Publication date |
---|---|
CN101641820A (zh) | 2010-02-03 |
CN101641820B (zh) | 2013-03-20 |
DE112008000770B4 (de) | 2013-07-18 |
DE112008000770T5 (de) | 2010-04-08 |
US20100119901A1 (en) | 2010-05-13 |
JP4506771B2 (ja) | 2010-07-21 |
JP2008235058A (ja) | 2008-10-02 |
DE112008000770B8 (de) | 2013-09-26 |
US8927169B2 (en) | 2015-01-06 |
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