CN116729206A - Fuel cell power system control method, apparatus, automobile and medium - Google Patents
Fuel cell power system control method, apparatus, automobile and medium Download PDFInfo
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- CN116729206A CN116729206A CN202310610139.7A CN202310610139A CN116729206A CN 116729206 A CN116729206 A CN 116729206A CN 202310610139 A CN202310610139 A CN 202310610139A CN 116729206 A CN116729206 A CN 116729206A
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- 239000000446 fuel Substances 0.000 title claims abstract description 228
- 238000000034 method Methods 0.000 title claims abstract description 37
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 56
- 229910052739 hydrogen Inorganic materials 0.000 claims description 56
- 239000001257 hydrogen Substances 0.000 claims description 56
- 238000004590 computer program Methods 0.000 claims description 7
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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
- B60L58/40—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and 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
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Fuel Cell (AREA)
Abstract
The application discloses a control method, equipment, an automobile and a medium of a fuel cell power system, which are applied to the technical field of new energy batteries, wherein the control method of the fuel cell power system comprises the following steps: under the condition that the fuel cell and the power cell work, driving motion information is obtained; selecting a working mode of the fuel cell according to the driving motion information; acquiring the state of charge of the power battery, and selecting the working mode of the power battery according to the state of charge of the power battery and the travelling motion information; and selecting the output ratio of the power battery to the fuel battery according to the driving motion information, the working mode of the fuel battery and the working mode of the power battery. According to the application, the driving state and the charge state in the power battery are combined, so that the power ratio of the fuel battery is adjusted, the fuel battery does not completely change along with the required power of the whole vehicle, the running at a stable working point is maintained, the dynamic load-changing requirement of the whole vehicle is born by the power battery, and the service life of the fuel battery is prolonged.
Description
Technical Field
The application relates to the technical field of new energy batteries, in particular to a control method, equipment, an automobile and a medium of a fuel cell power system.
Background
The long-distance logistics is an important ring of the current society, the existing long-distance heavy-duty commercial vehicle is quite suitable for achieving the aim of carbon emission reduction by adopting a hydrogen energy fuel cell system, and for the long-distance main logistics, the daily average driving mileage is long, the accumulated driving mileage even needs to reach more than 100 ten thousand kilometers, so that the service life of the fuel cell system is very high. On the premise of meeting the power response of the vehicle, the real-time power of the fuel cell system and the real-time required power of the whole vehicle are partially decoupled, so that the working state of the fuel cell can be stabilized, and the service life of the fuel cell system can be prolonged as far as possible.
However, in the prior art, the dynamic response of the fuel cell cannot meet the requirement of rapid change of the power of the vehicle, high-voltage electricity is required for the motor controller pre-charging during the starting of the vehicle and the cleaning operation inside the fuel cell during the stopping of the vehicle, the fuel cell cannot recover the braking feedback energy, the fuel cell cannot reach the optimal working state rapidly at the beginning of the starting, and the fuel cell still needs to be matched with the power cell for the above reasons, but in the new energy hydrogen fuel automobile combined by the fuel cell and the power cell, the service life of the fuel cell is difficult to protect.
Therefore, there is an urgent need for a control method of a fuel cell power system that can be applied to a dual-cell environment.
Disclosure of Invention
The application mainly aims to provide a control method, equipment, an automobile and a medium for a fuel cell power system, which solve the problem that the service life of a fuel cell is greatly lost by a hydrogen fuel automobile combined by the existing fuel cell and the power cell.
In order to achieve the above object, the present application provides a fuel cell power system control method applied to a hydrogen fuel automobile including a fuel cell, a power cell, an automobile body, the fuel cell power system control method comprising:
a fuel cell power system control method applied to a hydrogen-fuelled automobile, the automobile comprising a fuel cell and a power cell, the fuel cell power system control method comprising:
under the condition that the fuel cell and the power cell work, driving motion information is obtained;
selecting a working mode of the fuel cell according to the driving motion information;
acquiring the state of charge of the power battery, and selecting a working mode of the power battery according to the state of charge of the power battery and the driving motion information;
and selecting the output ratio of the power battery to the fuel battery according to the driving motion information, the working mode of the fuel battery and the working mode of the power battery.
In some embodiments, the step of obtaining the state of charge of the power battery and selecting the operation mode of the power battery according to the state of charge of the power battery and the driving motion information includes:
acquiring the state of charge of the power battery and judging the electric quantity mode of the power battery;
when the charge state of the power battery is less than 40%, the power battery at the moment is considered to be in a low-power mode;
when the state of charge of the power battery is 40-80%, the power battery is considered to be in a medium electric quantity mode;
when the state of charge of the power battery is more than 80%, the power battery at the moment is considered to be in a high-power mode;
when the power battery is in a low-power mode, the working mode of the power battery is adjusted to be a first working mode; when the power battery is in a medium electric quantity mode, the working mode of the power battery is adjusted to be a second working mode; and when the power battery is in a high-power mode, adjusting the working mode of the power battery to be a third working mode.
In some embodiments, the step of selecting the operation mode of the fuel cell according to the driving motion information includes:
if the hydrogen fuel automobile is in a starting stage, the working mode of the fuel cell is adjusted to be a low-load section working mode;
if the hydrogen fuel automobile is in a constant-speed driving stage, the working mode of the fuel cell is adjusted to be a medium-load section working mode;
and if the hydrogen fuel automobile is in the high-speed overtaking stage, adjusting the working mode of the fuel cell to be a high-load section working mode.
In some embodiments, the step of selecting the output ratio of the power battery to the fuel battery according to the driving motion information, the operation mode of the fuel battery, and the operation mode of the power battery further comprises:
acquiring the required power of the hydrogen fuel automobile;
and selecting the output ratio of the fuel cell to the power cell at the moment according to the required power of the hydrogen fuel automobile and the driving motion information.
In some embodiments, the selecting the output ratio of the fuel cell to the power cell at this time according to the required power of the hydrogen-fueled vehicle and the traveling motion information includes:
stopping the power battery to participate in energy supply when the hydrogen fuel automobile runs at a constant speed in a stage and the power battery is in a first working mode, wherein the hydrogen fuel automobile is completely powered by the fuel battery;
and when the power of the fuel cell exceeds the real-time required power of the whole vehicle, supplementing energy to the power cell.
In some embodiments, the selecting the output ratio of the fuel cell to the power cell at this time according to the required power of the hydrogen-fueled vehicle and the traveling motion information includes:
when the hydrogen fuel automobile is in a constant-speed driving stage and the power battery is in a second working mode, the working power of the fuel battery is adjusted to 80% of the highest power of the fuel battery, and the difference value between the working power of the fuel battery and the real-time required power of the hydrogen fuel automobile is borne by the power battery.
In some embodiments, the selecting the output ratio of the fuel cell to the power cell at this time according to the required power of the hydrogen-fueled vehicle and the traveling motion information includes:
when the hydrogen fuel automobile runs at a constant speed in a stage and the power battery is in a third working mode, the working power of the fuel battery is adjusted to 60% of the highest power of the fuel battery, and the difference value between the working power of the fuel battery and the real-time required power of the hydrogen fuel automobile is borne by the power battery.
The application also proposes an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor implements the steps of the fuel cell power system control method according to any one of the above technical solutions.
The application also provides a hydrogen fuel automobile, which comprises the electronic equipment, the fuel cell and the power battery in the technical scheme, wherein the electronic equipment is used for controlling the output ratio of the fuel cell to the power battery, and the fuel cell and the power battery are used for supplying energy to the hydrogen fuel automobile.
The application takes the running state of the whole vehicle and the real-time power demand as references, combines the power distribution of the fuel cell with the charge state in the power cell, adjusts the power ratio of the fuel cell, ensures that the fuel cell does not completely follow the real-time change of the power demand of the whole vehicle, ensures that the fuel cell works at a plurality of relatively stable working points, and communicates the dynamic load-changing demand of the whole vehicle with the power cell, and performs water thermal management control on temperature, circulating water and the like in the adjusting process, thereby realizing that the fuel cell is in a relatively steady working state for most of the time, and prolonging the service life of the fuel cell.
Drawings
FIG. 1 is a flow chart of a first embodiment of a fuel cell power system control method of the present application;
FIG. 2 is a flow chart of a second embodiment of a fuel cell power system control method of the present application;
FIG. 3 is a flow chart of a third embodiment of a fuel cell power system control method of the present application;
FIG. 4 is a flow chart of a fourth embodiment of a fuel cell power system control method of the present application;
FIG. 5 is a flow chart of a fifth embodiment of a fuel cell power system control method of the present application;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present application will be made more clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.
In order to achieve the above object, the present application provides a fuel cell power system control method, which is applied to a hydrogen fuel automobile, the hydrogen fuel automobile comprises a fuel cell, a power cell and an automobile body, the fuel cell power system control method comprises:
step S100, under the condition that the fuel cell and the power cell work, driving motion information is obtained;
step S200, selecting a working mode of the fuel cell according to the driving motion information;
step S300, acquiring the charge state of the power battery, and selecting the working mode of the power battery according to the charge state of the power battery and the driving motion information;
step S400, selecting the output ratio of the power battery to the fuel battery according to the driving motion information, the working mode of the fuel battery and the working mode of the power battery.
In order to ensure the State of charge (i.e., SOC, state of charge, used to reflect the remaining capacity of the battery) of the power battery on the dual-power battery vehicle and the service life of the dual-power battery, the fuel battery needs to be at several relatively stable powers for different vehicle working conditions, when the power demand in real time fluctuates, the fuel battery is still maintained at the relatively stable power, and the power battery is responsible for the power demand in dynamic load change, so as to avoid the reduction of the service life of the fuel battery caused by the power fluctuation of the fuel battery in a large range.
In this embodiment, referring to fig. 1, the hydrogen fuel automobile further includes a control component and a sensor component, the real-time required power of the automobile can be obtained through the sensor component, the real-time power requirement and the state of charge in the power battery can be combined and considered through the control component, the output ratio of the fuel battery is adjusted, so that the fuel battery does not completely follow the real-time change of the required power of the whole automobile, the fuel battery works at a plurality of relatively stable working points, and the temperature, the circulating water and the like are subjected to water thermal management control in the adjusting process, so that the service life of the fuel battery is prevented from being reduced due to the overheat working condition, the service life of the fuel battery can be prolonged due to the fact that the fuel battery is in a stable working state.
In some embodiments, the step of obtaining a state of charge of the power battery and selecting an operating mode of the power battery based on the state of charge of the power battery and the driving motion information includes:
step S310, acquiring the charge state of the power battery and judging the electric quantity mode of the power battery;
step S320a, when the state of charge of the power battery is less than 40%, the power battery is considered to be in a low-power mode;
step S320b, when the state of charge of the power battery is 40-80%, the power battery is considered to be in a medium electric quantity mode;
step S320c, when the state of charge of the power battery is more than 80%, the power battery is considered to be in a high-power mode;
when the power battery is in a low-power mode, the working mode of the power battery is adjusted to be a first working mode; when the power battery is in a medium electric quantity mode, the working mode of the power battery is adjusted to be a second working mode; when the power battery is in the high-power mode, the working mode of the power battery is adjusted to be a third working mode.
Referring to fig. 2, the hydrogen fuel automobile includes an electric quantity sensor, the residual electric quantity of the power battery is obtained through the electric quantity sensor, and is compared with a preset threshold value, in this embodiment, the first threshold value is 40% of the total electric quantity of the power battery, the second threshold value is 80% of the total electric quantity of the power battery, when the real-time electric quantity obtained by the electric quantity sensor does not reach 40% of the total electric quantity, the electric quantity of the power battery at the moment is considered to be deficient, and the power battery at the moment is considered to be in a low electric quantity mode; when the real-time electric quantity obtained by the electric quantity sensor reaches 40-80%, the electric quantity of the power battery at the moment is considered to be normal, and the power battery at the moment is considered to be in a medium electric quantity mode; when the acquired real-time electric quantity is more than 80%, the electric quantity of the power battery is full, and the power battery is in a high-electric-quantity mode.
It is understood that the specific threshold of each power mode can be changed according to actual requirements.
In some embodiments, the step of selecting an operating mode of the fuel cell based on the driving motion information includes:
step S210a, if the hydrogen fuel automobile is in a starting stage, the working mode of the fuel cell is adjusted to be a low-load section working mode;
step S210b, if the hydrogen fuel automobile is in a constant speed driving stage, the working mode of the fuel cell is adjusted to be a medium-load section working mode;
in step S210c, if the hydrogen-fueled vehicle is in the high-speed overtaking stage, the operation mode of the fuel cell is adjusted to the high-load operation mode.
The hydrogen fuel automobile further comprises a speed sensor and an acceleration sensor, when the speed sensor and the acceleration sensor are both zero, the hydrogen fuel automobile is considered to be stopped at the moment, and when the speed is zero and the acceleration is greater than 0, the hydrogen fuel automobile is a starting stage; when the speed is greater than 0 and the acceleration approaches 0, the hydrogen-fuelled automobile is in a constant-speed driving stage, and when the speed is far greater than 0 and the acceleration is far greater than 0, the hydrogen-fuelled automobile is in a high-speed overtaking stage.
In this embodiment, referring to fig. 3, when the hydrogen fuel automobile is in the low-load section operation mode, the operation power of the fuel cell only needs to be maintained at a stable lower power, and no large dynamic adjustment is required, and when the real-time power of the whole automobile fluctuates, the adjustment is performed by the power cell.
In this embodiment, when the vehicle needs larger power in a short time and the state of charge of the power battery is lower and cannot supply the energy demand, the control component adjusts the fuel battery to a high-load section working mode, and the fuel battery in the high-load section working mode is 90-100% of its maximum power, and the power of the fuel battery is increased in a short time to meet the power demand of the vehicle.
In some embodiments, the step of selecting the power cell to fuel cell output ratio based on the vehicle motion information, the fuel cell operating mode, and the power cell operating mode further comprises:
step S410, obtaining the required power of the hydrogen fuel automobile;
step S420, according to the required power and the driving movement information of the hydrogen fuel automobile, the output ratio of the fuel cell to the power cell at the moment is selected.
In this embodiment, referring to fig. 4, the hydrogen fuel automobile can obtain the required power of the hydrogen fuel automobile through the control component and adjust the power battery and the fuel battery to achieve the power requirement of the automobile.
In this embodiment, when the fuel cell is in the low load section operation mode, the power of the fuel cell is 0 to 30% of the maximum power, and when the required power of the hydrogen fuel automobile exceeds the upper limit of the low load section operation mode by 10 to 15%, the fuel cell is increased to the medium load section operation mode at a lower increase rate; in the medium load section working mode, the power of the fuel cell is 30-90%; when the required power exceeds the upper limit of 5-10% of the medium load segment operation mode, the fuel cell is increased to the high load segment operation mode at a lower increase rate.
In some embodiments, selecting the output ratio of the fuel cell to the power cell at the time according to the required power and the driving movement information of the hydrogen fuel automobile comprises:
step S421, stopping the power battery to participate in energy supply when the hydrogen fuel automobile runs at a constant speed in a stage and the power battery is in a first working mode, wherein the hydrogen fuel automobile is completely powered by the fuel battery;
and step S422, when the power of the fuel cell exceeds the real-time required power of the whole vehicle, supplementing energy to the power cell.
In this embodiment, as shown in fig. 5, when the hydrogen fuel automobile is in a constant-speed driving stage and the state of charge of the power battery is low, the constant-speed driving does not generate large power fluctuation, so that the fuel battery can be in stable output power, and when the output power exceeds the power required by the whole automobile in real time, the energy supplied by the fuel battery is input into the power battery to supply power for the power battery.
In another embodiment, the hydrogen-fuelled automobile comprises a kinetic energy recovery device, the energy recovered by the kinetic energy recovery device being input into the power cell.
In some embodiments, the step of selecting the output ratio of the fuel cell to the power cell at that time based on the required power and the driving motion information of the hydrogen-fueled vehicle comprises:
in step S423, when the hydrogen-fuel automobile is in the constant-speed driving stage and the power battery is in the second working mode, the working power of the fuel battery is adjusted to 80% of the highest power of the fuel battery, and the difference between the working power of the fuel battery and the real-time required power of the hydrogen-fuel automobile is borne by the power battery.
In step S424, when the hydrogen fuel vehicle is traveling at a constant speed in the stage and the power battery is in the third operation mode, the operating power of the fuel battery is adjusted to 60% of the maximum power of the fuel battery, and the difference between the operating power of the fuel battery and the real-time required power of the hydrogen fuel vehicle is borne by the power battery.
In this embodiment, it can be understood that the hydrogen fuel automobile is in the constant-speed driving stage as a main working mode, and when the hydrogen fuel automobile is in the constant-speed driving stage, the state of charge of the power battery is increased, so that the duty ratio of the output power of the fuel battery to the output power of the whole automobile is gradually reduced, and the output power of the power battery is increased, so as to ensure the service life of the fuel battery.
In this embodiment, the hydrogen fuel automobile is in a high-speed overtaking stage, the running power of the whole automobile needs to be improved, the working mode of the fuel cell is adjusted to be a high-load section working mode, when the power demand of the whole automobile is large in a short time and the state of charge of the power cell is insufficient, the working strength of the fuel cell system needs to be improved in a short time so as to meet the demand of the whole automobile as a main target, but the running time and the frequency in the working mode are reduced as much as possible, the fuel cell is prevented from being in a relatively unstable working state, and the service life of the fuel cell is prevented from being damaged.
The application also proposes an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor implements the steps of the fuel cell power system control method according to any one of the above technical solutions.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an electronic device in a hardware running environment according to an embodiment of the present application.
The electronic device of the embodiment of the application can be a desktop computer, a notebook computer, a palm computer, a server and other computing devices. As shown in fig. 6, the electronic device may include: a processor 1001 (e.g., a CPU), a network interface 1004, a user interface 1003, a memory 1005, and a communication bus 1002. Wherein the communication bus 1002 is used to enable connected communication between these components. The user interface 1003 may include a Display, an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a stable memory (non-volatile memory), such as a disk memory. The memory 1005 may also optionally be a storage device separate from the processor 1001 described above.
It will be appreciated by those skilled in the art that the electronic device structure shown in fig. 6 is not limiting of the electronic device and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.
As shown in fig. 6, an operating system, a network communication module, a user interface module, and a computer program may be included in the memory 1005, which is a type of computer storage medium.
In the electronic device shown in fig. 6, the network interface 1004 is mainly used for connecting to a background server and performing data communication with the background server; the user interface 1003 is mainly used for connecting a client (user side) and performing data communication with the client; and the processor 1001 may be configured to invoke a computer program stored in the memory 1005, which when invoked by the processor 1001 performs the steps of the fuel cell power system control method described above.
The application also provides a hydrogen fuel automobile, which comprises the electronic equipment, the fuel cell and the power battery in the technical scheme, wherein the electronic equipment is used for controlling the output ratio of the fuel cell to the power battery, and the fuel cell and the power battery are used for supplying energy to the hydrogen fuel automobile.
The present application also proposes a storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the fuel cell power system control method according to any one of the above technical solutions.
In summary, the application takes the running state and the real-time power requirement of the whole vehicle as references, combines the power distribution of the fuel cell with the charge state in the power cell, adjusts the output ratio of the fuel cell, ensures that the fuel cell does not completely follow the real-time change of the power required by the whole vehicle, ensures that the fuel cell works at a plurality of relatively stable working points, and gives the power cell the requirement of dynamic load change of the whole vehicle, and performs water thermal management control on temperature, circulating water and the like in the adjusting process, thereby realizing that most of the time of the fuel cell is in a relatively stable working state and prolonging the service life of the fuel cell.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple modules or components may be combined or integrated into another apparatus, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or modules, which may be in electrical, mechanical, or other forms.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical modules, i.e., may be located in one place, or may be distributed over a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional module in each embodiment of the present application may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module. The integrated modules may be implemented in hardware or in software functional modules.
The integrated modules, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Those skilled in the art may combine and combine the features of the different embodiments or examples described in this specification and of the different embodiments or examples without contradiction.
The above description of the preferred embodiments of the present application should not be taken as limiting the scope of the application, but rather should be understood to cover all modifications, variations and adaptations of the present application using its general principles and the disclosure of the drawings, or the direct/indirect application of the present application to other relevant arts and technology.
Claims (10)
1. A fuel cell power system control method applied to a hydrogen fuel automobile, characterized in that the hydrogen fuel automobile comprises a fuel cell and a power cell, and the fuel cell power system control method comprises the following steps:
under the condition that the fuel cell and the power cell work, driving motion information is obtained;
selecting a working mode of the fuel cell according to the driving motion information;
acquiring the state of charge of the power battery, and selecting a working mode of the power battery according to the state of charge of the power battery and the driving motion information;
and selecting the output ratio of the power battery to the fuel battery according to the driving motion information, the working mode of the fuel battery and the working mode of the power battery.
2. The fuel cell power system control method according to claim 1, wherein the step of acquiring the state of charge of the power cell and selecting the operation mode of the power cell based on the state of charge of the power cell and the running motion information comprises:
acquiring the state of charge of the power battery and judging the electric quantity mode of the power battery;
when the charge state of the power battery is less than 40%, the power battery at the moment is considered to be in a low-power mode;
when the state of charge of the power battery is 40-80%, the power battery is considered to be in a medium electric quantity mode;
when the state of charge of the power battery is more than 80%, the power battery at the moment is considered to be in a high-power mode;
when the power battery is in a low-power mode, the working mode of the power battery is adjusted to be a first working mode; when the power battery is in a medium electric quantity mode, the working mode of the power battery is adjusted to be a second working mode; and when the power battery is in a high-power mode, adjusting the working mode of the power battery to be a third working mode.
3. The fuel cell power system control method according to claim 2, wherein the step of selecting the operation mode of the fuel cell based on the running motion information includes:
if the hydrogen fuel automobile is in a starting stage, the working mode of the fuel cell is adjusted to be a low-load section working mode;
if the hydrogen fuel automobile is in a constant-speed driving stage, the working mode of the fuel cell is adjusted to be a medium-load section working mode;
and if the hydrogen fuel automobile is in the high-speed overtaking stage, adjusting the working mode of the fuel cell to be a high-load section working mode.
4. The fuel cell power system control method according to claim 3, wherein the step of selecting the output ratio of the power cell to the fuel cell according to the running motion information, the operation mode of the fuel cell, and the operation mode of the power cell further comprises:
acquiring the required power of the hydrogen fuel automobile;
and selecting the output ratio of the fuel cell to the power cell at the moment according to the required power of the hydrogen fuel automobile and the driving motion information.
5. The fuel cell power system control method according to claim 4, wherein the selecting the output ratio of the fuel cell to the power cell at this time based on the required power of the hydrogen-fueled vehicle and the running motion information includes:
stopping the power battery to participate in energy supply when the hydrogen fuel automobile runs at a constant speed in a stage and the power battery is in a first working mode, wherein the hydrogen fuel automobile is completely powered by the fuel battery;
and when the power of the fuel cell exceeds the real-time required power of the whole vehicle, supplementing energy to the power cell.
6. The fuel cell power system control method according to claim 5, wherein the selecting the output ratio of the fuel cell to the power cell at that time based on the required power of the hydrogen-fueled vehicle and the running motion information includes:
when the hydrogen fuel automobile is in a constant-speed driving stage and the power battery is in a second working mode, the working power of the fuel battery is adjusted to 80% of the highest power of the fuel battery, and the difference value between the working power of the fuel battery and the real-time required power of the hydrogen fuel automobile is borne by the power battery.
7. The fuel cell power system control method according to claim 6, wherein the selecting the output ratio of the fuel cell to the power cell at that time based on the required power of the hydrogen-fueled vehicle and the running motion information includes:
when the hydrogen fuel automobile runs at a constant speed in a stage and the power battery is in a third working mode, the working power of the fuel battery is adjusted to 60% of the highest power of the fuel battery, and the difference value between the working power of the fuel battery and the real-time required power of the hydrogen fuel automobile is borne by the power battery.
8. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, implements the steps of the fuel cell power system control method according to any one of claims 1 to 7.
9. A hydrogen-fuelled automobile comprising the electronic apparatus as claimed in claim 8 and a fuel cell and a power cell, the electronic apparatus being arranged to control the output ratio of the fuel cell to the power cell, the fuel cell and the power cell being arranged to power the hydrogen-fuelled automobile.
10. A storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the fuel cell power system control method according to any one of claims 1 to 7.
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| CN202310610139.7A CN116729206A (en) | 2023-05-25 | 2023-05-25 | Fuel cell power system control method, apparatus, automobile and medium |
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| CN202310610139.7A CN116729206A (en) | 2023-05-25 | 2023-05-25 | Fuel cell power system control method, apparatus, automobile and medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113352950A (en) * | 2021-06-15 | 2021-09-07 | 佛山仙湖实验室 | Dynamic variable load fuel cell automobile energy management method, system, equipment and medium |
| CN114771358A (en) * | 2022-03-28 | 2022-07-22 | 东风汽车集团股份有限公司 | Control method and device for fuel cell automobile power system |
| US20220340048A1 (en) * | 2021-04-14 | 2022-10-27 | Toyota Motor Engineering & Manufacturing North America, Inc. | Dual battery fuel cell system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220340048A1 (en) * | 2021-04-14 | 2022-10-27 | Toyota Motor Engineering & Manufacturing North America, Inc. | Dual battery fuel cell system |
| CN113352950A (en) * | 2021-06-15 | 2021-09-07 | 佛山仙湖实验室 | Dynamic variable load fuel cell automobile energy management method, system, equipment and medium |
| CN114771358A (en) * | 2022-03-28 | 2022-07-22 | 东风汽车集团股份有限公司 | Control method and device for fuel cell automobile power system |
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