CN114763080A - Environment adaptive control method and device for fuel cell system - Google Patents

Environment adaptive control method and device for fuel cell system Download PDF

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Publication number
CN114763080A
CN114763080A CN202110054381.1A CN202110054381A CN114763080A CN 114763080 A CN114763080 A CN 114763080A CN 202110054381 A CN202110054381 A CN 202110054381A CN 114763080 A CN114763080 A CN 114763080A
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fuel cell
cell system
vehicle
control parameter
purging
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刘宇琛
蒋尚峰
张龙海
李维国
余阳阳
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Zhengzhou Yutong Bus Co Ltd
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Zhengzhou Yutong Bus Co Ltd
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Priority to CN202110054381.1A priority Critical patent/CN114763080A/en
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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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
    • 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
    • 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

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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 an environment adaptation control method and device of a fuel cell system, and belongs to the technical field of fuel cells. The method comprises the following steps: acquiring the output power of a fuel cell system currently required by a vehicle and the current altitude and ambient temperature of the vehicle; acquiring the output power of the fuel cell system currently required by the vehicle and the optimal pressure control parameter corresponding to the current altitude of the vehicle by utilizing the pre-established corresponding relation among the output power of the fuel cell system, the altitude and the pressure control parameter of the fuel cell system; obtaining the current required fuel cell system output power of the vehicle and the optimal temperature control parameter corresponding to the current environment temperature of the vehicle by utilizing the pre-established corresponding relation among the fuel cell system output power, the environment temperature and the fuel cell system temperature control parameter; and controlling the fuel cell system according to the optimal pressure control parameter and the optimal temperature control parameter. The invention can improve the environmental adaptability of the fuel cell system.

Description

Environment adaptive control method and device for fuel cell system
Technical Field
The invention relates to an environment adaptation control method and device of a fuel cell system, and belongs to the technical field of fuel cells.
Background
The environmental adaptation problem of fuel cell systems is mainly solved by the following two methods:
the method 1 directly calibrates the control parameters of the fuel cell system on site according to the local temperature, altitude and air pressure conditions aiming at the fuel cell vehicles which run in the same city for a long time, and completes the adaptive control of the fuel cell system under the local environment. However, such fixed control parameters cannot adapt to different altitudes and ambient temperatures, and if the fixed control parameters are still adopted to control the fuel cell system when the altitude and the ambient temperature on the vehicle operation line change greatly, the performance of the fuel cell is reduced;
and 2, additionally arranging a temperature sensor and a pressure sensor outside the air inlet head of the air compressor, and adjusting parameters such as the rotating speed of the air compressor according to different air inlet pressures caused by different altitudes to finish the adaptive control of the fuel cell system in different environments. Although this approach can accommodate different altitudes, it adds to the sensor arrangement, increases cost, and is susceptible to the local environment in which the fuel cell system is arranged, and has lower reliability.
In summary, the conventional method 1 cannot adapt to the situation of large altitude and temperature change on the vehicle operation line, and the method 2 can adapt to different altitudes, but increases sensor arrangement, so that the cost is high and the reliability is low.
In addition, the existing shutdown purging method of the fuel cell system judges whether purging is needed according to the ambient temperature of the fuel cell system during shutdown, when the ambient temperature of the vehicle is changed severely, the situations of high ambient temperature during shutdown and low ambient temperature during startup may occur, and at this time, if purging is not performed according to the ambient temperature during shutdown, normal startup may be caused, so that the method cannot adapt to the situation of severe change of the ambient temperature of the vehicle, and the environment adaptability is poor.
Disclosure of Invention
The invention aims to provide an environment adaptive control method and device of a fuel cell system, which can enable control parameters of the fuel cell system to be always adaptive to the current altitude and the current environment temperature of a vehicle, improve the environment adaptability of the fuel cell system, do not need to arrange additional sensors, and have lower cost and higher reliability.
In order to achieve the above object, the present invention provides an environment adaptive control method of a fuel cell system, the method comprising the steps of:
in the running process of the fuel cell system, acquiring the current required output power of the fuel cell system of a vehicle and the current position data of the vehicle, which contains altitude information, and acquiring the ambient temperature corresponding to the position data through a network;
acquiring the current required output power of the fuel cell system of the vehicle and the optimal pressure control parameter corresponding to the current altitude of the vehicle by utilizing the pre-established corresponding relation among the output power of the fuel cell system, the altitude and the pressure control parameter of the fuel cell system, wherein the pressure control parameter comprises the rotating speed of an air compressor and the opening degree of a back pressure valve;
obtaining the current required output power of the fuel cell system of the vehicle and the optimal temperature control parameter corresponding to the current environment temperature of the vehicle by utilizing the pre-established corresponding relation among the output power of the fuel cell system, the environment temperature and the temperature control parameter of the fuel cell system, wherein the temperature control parameter comprises the rotating speed of a water pump, the opening degree of a thermostat and the rotating speed of a cooling fan;
and controlling the fuel cell system according to the optimal pressure control parameter and the optimal temperature control parameter.
The invention also provides an environment adaptation control device of the fuel cell system, which comprises a processor and a memory, wherein the processor executes a computer program stored by the memory to realize the environment adaptation control method of the fuel cell system.
The invention has the beneficial effects that: (1) by acquiring the altitude and the environmental temperature (namely the environmental parameters) of the vehicle in real time, and determining the optimal control parameters (including the optimal pressure control parameter and the optimal temperature control parameter) matched with the environmental parameters of the fuel cell system by utilizing the pre-established corresponding relation among the output power of the fuel cell system, the altitude and the pressure control parameters of the fuel cell system and the corresponding relation among the output power of the fuel cell system, the environmental temperature and the temperature control parameters of the fuel cell system, the control parameters of the fuel cell system are always matched with the current environmental parameters, the fuel cell system is ensured to be in the optimal output state, and the environmental adaptability of the fuel cell system is improved; (2) the vehicle altitude is obtained by obtaining the position data of the vehicle containing the altitude information, the environment temperature corresponding to the position data of the vehicle is obtained through the network to obtain the environment temperature of the vehicle, a sensor does not need to be additionally arranged on the vehicle, the cost is low, and the reliability is high.
Further, in the above method and apparatus, the method further comprises a shutdown control step of the fuel cell system, the shutdown control step comprising: after receiving a shutdown instruction, the fuel cell system firstly judges whether the fuel cell system needs to be purged before shutdown, if the fuel cell system meets the purging condition, firstly purges, and then shuts down after purging is finished; if the purging condition is not met, directly shutting down the machine; the purging requirement is as follows: lowest ambient temperature T in future set time period of vehicle position when fuel cell system is shut downmin0 or less, or TminLess than or equal to 0 and the fuel cell system is shut down for the last time in the day.
The beneficial effects of doing so are: utilizing the lowest ambient temperature T in the future set time period of the position of the vehicle when the fuel cell system is shut downminJudging whether purging is needed before shutdown of the fuel cell system, and judging shutdown of the fuel cell system by using the current ambient temperature of the position of the vehicle when the fuel cell system is shutdown in the prior artCompared with the prior method that whether purging is needed or not, the method can adapt to the situation of severe change of the ambient temperature of the position where the vehicle is located, and the environmental adaptability of the fuel cell system is stronger.
Further, in the above method and apparatus, when it is determined that purging is required before shutdown of the fuel cell system, the previously established T is usedminAnd the corresponding relation between the purge control parameters to obtain TminPurging according to the corresponding purging control parameter; the purging control parameters comprise the rotating speed of the air compressor, the opening degree of the backpressure valve, the opening degree of the thermostat and the purging time.
The beneficial effects of doing so are: fully considering that before subsequent startup, the control of the water content of the galvanic pile has a direct relation with the lowest environment temperature according to TminAnd determining the purging control parameters for shutdown purging can make the fuel cell system in the optimal starting state and effectively prolong the service life of the fuel cell.
Drawings
FIG. 1 is a schematic diagram of a fuel cell system in an embodiment of the apparatus of the present invention;
FIG. 2 is a flow chart of the operation control of the fuel cell system in the embodiment of the apparatus of the present invention;
FIG. 3 is a flow chart of the shutdown control of the fuel cell system in an embodiment of the apparatus of the present invention;
in the figure, 1-1 is a water pump, 1-2 is a thermostat, 1-3 is a cooling fan, 2-1 is an air compressor, 2-2 is a back pressure valve, and 3-1 is a fuel cell system control device.
Detailed Description
The invention provides an environment adaptive control method and device of a fuel cell system, which can enable control parameters of the fuel cell system to be always adaptive to the current altitude and the current environment temperature of a vehicle, improve the environment adaptability of the fuel cell system, do not need to arrange additional sensors, and have lower cost and higher reliability.
Wherein, the fuel cell system is: a device for directly converting chemical energy of fuel (hydrogen) into electric energy through electrochemical reaction under the action of a catalyst; the fuel cell air circuit functions as: the oxygen (air) supply system is composed of air filter, air compressor, intercooler, humidifier, pressure regulator (usually throttle), silencer and pipeline.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
The embodiment of the device is as follows:
as shown in fig. 1, the fuel cell system of the present embodiment includes:
a water pump 1-1 for providing the flowing power of the cooling liquid and feeding back the running rotating speed Nw；
A thermostat 1-2 for realizing the change of the large and small cycles, controlling the temperature of the electric pile together with the heat radiation fan and feeding back the operation opening Kw；
A heat radiation fan 1-3 for radiating the heat generated by the electric pile to the environment and feeding back the running rotating speed Nf；
An air compressor 2-1 for providing air power, providing air required by the reaction of the fuel cell system and feeding back the operation speed Nac；
A back pressure valve 2-2 for regulating the air inlet pressure of the galvanic pile by controlling and regulating the back pressure and feeding back the operation opening Ka(ii) a The backpressure valve may be a throttle or other type of valve;
the fuel cell system control device 3-1 can perform signal acquisition, control algorithm operation and control instruction issue to a device responding to an actuator through feedback of a sensor and other parts, is used for controlling the operation of the fuel cell system, can realize an environment adaptive control method of the fuel cell system, and has the capability of modifying control parameters of the fuel cell system (including pressure control parameters (air compressor rotating speed and back pressure valve opening degree) of the fuel cell system and temperature control parameters (water pump rotating speed, thermostat opening degree and cooling fan rotating speed)) of the fuel cell system according to the operation result of the control method.
Considering that different control parameters are needed to adapt to altitude change and ambient temperature change when the fuel cell system is in operation and different purge control parameters are needed to adapt to ambient temperature change when the fuel cell system is shut down, the environment-adaptive control method of the fuel cell system of the embodiment includes two major parts, namely fuel cell system operation control (see fig. 2) and fuel cell system shutdown control (see fig. 3).
As shown in fig. 2, the specific steps of the operation control of the fuel cell system are as follows:
s1: during the operation of the fuel cell system, the output power W of the fuel cell system currently required by the vehicle, the current position data containing the altitude information of the vehicle, and the current control parameters (including the pressure control parameter I) of the fuel cell system are obtained0And a temperature control parameter Z0)；
S2: acquiring the current altitude H of the vehicle from the current position data of the vehicle, and acquiring the ambient temperature T corresponding to the current position data of the vehicle (namely the current ambient temperature T of the vehicle) through a network;
s3: utilizing the pre-established corresponding relation between the output power, the altitude and the pressure control parameter of the fuel cell system (hereinafter referred to as power-altitude-I)xCorresponding relation), obtaining the output power W of the fuel cell system required by the vehicle at present and the optimal pressure control parameter I corresponding to the altitude H of the vehicle at presentx；
Utilizing the pre-established corresponding relation among the output power of the fuel cell system, the ambient temperature and the temperature control parameter of the fuel cell system (hereinafter referred to as power-temperature-Z)xCorresponding relation), obtaining the output power W of the fuel cell system required by the vehicle at present and the optimal temperature control parameter Z corresponding to the environment temperature T at which the vehicle is located at presentx；
S4: controlling parameter I according to the optimal pressurexAnd an optimum temperature control parameter ZxThe fuel cell system is controlled, so that the environmental adaptation control in the operation of the fuel cell system is realized, and the method specifically comprises the following steps:
when I is0＝IxAnd Z is0＝ZxIf so, the process is not carried out, and the step returns to the step of S1 for periodic detection;
when I is0≠IxBut Z is0＝ZxWhen the pressure control parameter of the fuel cell system is modified to the optimum pressure control parameter IxReturning to S1 for periodic detection;
when I is0＝IxBut Z is0≠ZxThe temperature control parameter of the fuel cell system is modified to the optimum temperature control parameter ZxReturning to S1 periodic detection;
when I is0≠IxAnd Z is0≠ZxWhen the pressure control parameter of the fuel cell system is modified to the optimum pressure control parameter IxAnd modifying the temperature control parameter of the fuel cell system into an optimal temperature control parameter ZxReturning to S1 for periodic detection;
wherein the power-altitude-IxCorresponding relation and power-temperature-ZxThe corresponding relation is tested and calibrated through the environment experiment of the fuel cell system, and the environment experiment of the fuel cell system can be carried out in the environment cabin of the fuel cell system so as to test and calibrate the power-temperature-ZxThe corresponding relation is an example, all temperature control parameters are calibrated together when calibration is carried out, namely, a group of power and temperature corresponds to a group of optimal temperature control parameters; in practical application, the two corresponding relations can be presented in the form of a table, or in the form of an array or a linked list; in addition, each parameter in the two corresponding relations can be in the form of a specific numerical value or a numerical range, such as power-altitude-IxThe altitude parameter in the corresponding relation may be a specific altitude value, or may be an altitude range [ Hn，Hn+1](ii) a power-temperature-ZxThe environment temperature parameter in the corresponding relation may be a specific temperature value or a temperature range [ T [ ]x，Tx+1]。
In this embodiment, the operation control process of the fuel cell system is cooperatively realized by a fuel cell system controller (FCU) and a remote data center, where the FCU obtains the output power W of the fuel cell system currently required by the vehicle, the current position data of the vehicle including altitude information, and the current control parameters of the fuel cell system, and sends the data to the remote data center; the remote data center acquires the current ambient temperature of the vehicle through a network, calculates the optimal pressure control parameter and the optimal temperature control parameter, and sends the optimal control parameter to the FCU; logic decisions and control parameter modifications are implemented by the FCU. As other embodiments, the operation control process of the fuel cell system may be implemented entirely by the FCU, or entirely by the remote data center.
As shown in fig. 3, the specific steps of the shutdown control of the fuel cell system are as follows:
s1: the fuel cell system receives a shutdown instruction;
s2: acquiring the position of a vehicle when a fuel cell system is shut down;
s3: according to the position of the vehicle when the fuel cell system is shut down, the current ambient temperature of the position and the lowest ambient temperature T of the position in a set time period in the future (for example, 24 hours in the future) are obtained through a networkmin；
S4: judging whether the fuel cell system needs to be purged before shutdown, specifically as follows:
when T isminWhen the current time is more than 0, judging that the fuel cell system does not need to be purged before shutdown, and directly shutting down the fuel cell system;
when T isminWhen the fuel cell system is not shut down for the last time in the day but is not less than 0, judging that purging is not needed before the fuel cell system is shut down, and directly shutting down;
when T isminWhen the current time is less than or equal to 0 and the fuel cell system is shut down for the last time in the day, judging that purging is needed before the fuel cell system is shut down, and shutting down the fuel cell system after purging is finished;
when receiving a command of parking the vehicle and shutting down the fuel cell system, inquiring a driver whether the vehicle is parked last time in the day to judge whether the fuel cell system is shut down last time in the day, and if the vehicle is parked last time in the day (namely the operation of the vehicle is finished in the day), judging that the fuel cell system is shut down last time.
S5: utilizing a pre-established T when it is determined that purging is required prior to shutdown of the fuel cell systemminAnd the corresponding relation between the purge control parametersObtaining TminAnd carrying out purging according to the corresponding purging control parameters.
The purging control parameters comprise the rotating speed of an air compressor (used for adjusting air flow), the opening degree of a back pressure valve (used for adjusting air pressure), the opening degree of a thermostat (used for adjusting the temperature of cooling liquid) and purging time; t is a unit ofminAnd the corresponding relation between the purge control parameters is established through a low-temperature environment experiment of the fuel cell system. In another embodiment, when it is determined whether purging is necessary before shutdown of the fuel cell system, only T may be usedminWhether it is less than 0, when T is less than 0minAnd when the temperature is less than or equal to 0, judging that the fuel cell system needs to be purged before shutdown.
In this embodiment, the shutdown control process of the fuel cell system is cooperatively implemented by the FCU and the remote data center, where the FCU acquires a position of the vehicle when the fuel cell system is shutdown, and sends the position to the remote data center; the current environmental temperature of the position of the vehicle when the fuel cell system is shut down and the lowest environmental temperature T in the future set time period of the position are obtained by the remote data center through the networkminAnd will TminSending the data to the FCU; logic judgment and purge control are implemented by the FCU. As other embodiments, the shutdown control process of the fuel cell system may be implemented entirely by the FCU, or entirely by a remote data center.
The environmental adaptation control method of the fuel cell system of the present embodiment has the following advantages:
(1) the altitude of the vehicle is obtained by acquiring the position data of the vehicle containing the altitude information, the environment temperature corresponding to the position data of the vehicle is acquired through a network to obtain the environment temperature of the vehicle, a sensor is not additionally arranged on the vehicle, the cost is low, and the reliability is high;
(2) by acquiring the altitude and the ambient temperature (i.e. environmental parameters) of the vehicle in real time, the pre-established power-altitude-I is utilizedxCorrespondence and Power-temperature-ZxThe correspondence relation determines optimum control parameters (including an optimum pressure control parameter and a maximum pressure control parameter) that match the environmental parameters in which the fuel cell system is locatedOptimal temperature control parameters) to ensure that the control parameters of the fuel cell system are always matched with the current environmental parameters, thereby ensuring that the fuel cell system is in an optimal output state and improving the environmental adaptability of the fuel cell system;
(3) utilizing the lowest ambient temperature T in the future set time period of the position of the vehicle when the fuel cell system is shut downminWhether purging is needed before shutdown of the fuel cell system is judged, and compared with the prior art that whether purging is needed before shutdown of the fuel cell system is judged by utilizing the current ambient temperature of the position of a vehicle when the fuel cell system is shut down, the method can adapt to the situation that the ambient temperature of the position of the vehicle is changed drastically, and the environmental adaptability of the fuel cell system is stronger;
(4) the control of the water content of the galvanic pile is directly related to the lowest environment temperature before the subsequent startup is fully considered, and the embodiment is based on TminAnd determining the purging control parameters for shutdown purging can make the fuel cell system in the optimal starting state and effectively prolong the service life of the fuel cell.
In the embodiment, the fuel cell system controller is used as an environment adaptive control device of the fuel cell system, and the environment adaptive control method of the fuel cell system is realized by utilizing the fuel cell system controller; as another embodiment, an environmental adaptive control device of a fuel cell system may be separately provided, and an environmental adaptive control method of a fuel cell system may be implemented by the control device, as long as the control device includes a processor and a memory, and the memory stores a computer program executable on the processor, and the processor implements the environmental adaptive control method of the fuel cell system when executing the computer program.
The processor refers to a processing device such as a microprocessor MCU or a programmable logic device FPGA.
The memory includes a physical device for storing information, and generally, the information is digitized and stored in a medium using an electric, magnetic, optical or the like method. For example: various memories for storing information by using an electric energy mode, such as RAM, ROM and the like; various memories for storing information by magnetic energy, such as hard disk, floppy disk, magnetic tape, magnetic core memory, bubble memory, and U disk; various types of memory, CD or DVD, that store information optically. Of course, there are other ways of memory, such as quantum memory, graphene memory, and so forth.
The apparatus comprising the memory, the processor and the computer program is realized by the processor executing corresponding program instructions in the computer, and the processor can be loaded with various operating systems, such as windows operating system, linux system, android, iOS system, and the like.
The method comprises the following steps:
the environment adaptive control method of the fuel cell system of the present embodiment is the same as the environment adaptive control method of the fuel cell system in the device embodiment, and will not be described herein again.

Claims (4)

1. An environmental adaptive control method of a fuel cell system, characterized by comprising the steps of:
in the running process of the fuel cell system, acquiring the output power of the fuel cell system currently required by a vehicle and the current position data of the vehicle, which contains altitude information, and acquiring the ambient temperature corresponding to the position data through a network;
obtaining the current required output power of the fuel cell system of the vehicle and the optimal pressure control parameter corresponding to the current altitude of the vehicle by utilizing the pre-established corresponding relation among the output power of the fuel cell system, the altitude and the pressure control parameter of the fuel cell system, wherein the pressure control parameter comprises the rotating speed of an air compressor and the opening degree of a back pressure valve;
obtaining the current required output power of the fuel cell system of the vehicle and the optimal temperature control parameter corresponding to the current environment temperature of the vehicle by utilizing the pre-established corresponding relation among the output power of the fuel cell system, the environment temperature and the temperature control parameter of the fuel cell system, wherein the temperature control parameter comprises the rotating speed of a water pump, the opening degree of a thermostat and the rotating speed of a cooling fan;
and controlling the fuel cell system according to the optimal pressure control parameter and the optimal temperature control parameter.
2. The environmental adaptation control method of a fuel cell system according to claim 1, characterized by further comprising a shutdown control step of the fuel cell system, the shutdown control step including: after the fuel cell system receives a shutdown instruction, judging whether the fuel cell system needs to be purged before shutdown, if the fuel cell system meets purging conditions, purging firstly, and then shutting down after purging is finished; if the purging condition is not met, directly shutting down the machine; the purging requirement is as follows: lowest ambient temperature T in future set time period of vehicle position when fuel cell system is shut downmin0 or less, or TminLess than or equal to 0 and the fuel cell system is shut down for the last time in the day.
3. The environmentally adapted control method of a fuel cell system according to claim 2, wherein when it is determined that purging is required before shutdown of the fuel cell system, a previously established T is usedminAnd the corresponding relation between the purge control parameters to obtain TminPurging according to the corresponding purging control parameter; the purging control parameters comprise the rotating speed of the air compressor, the opening degree of the back pressure valve, the opening degree of the thermostat and the purging time.
4. An environmental adaptive control device of a fuel cell system, characterized by comprising a processor and a memory, the processor executing a computer program stored by the memory to realize the environmental adaptive control method of the fuel cell system according to any one of claims 1 to 3.
CN202110054381.1A 2021-01-15 2021-01-15 Environment adaptive control method and device for fuel cell system Pending CN114763080A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115172828A (en) * 2022-07-26 2022-10-11 上海杰宁新能源科技发展有限公司 Fuel cell water-heat combined control method, system and storage medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115172828A (en) * 2022-07-26 2022-10-11 上海杰宁新能源科技发展有限公司 Fuel cell water-heat combined control method, system and storage medium
CN115172828B (en) * 2022-07-26 2023-04-14 上海杰宁新能源科技发展有限公司 Fuel cell water-heat combined control method, system and storage medium

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