CN116544463A - Fuel cell water management control method, device, equipment and storage medium - Google Patents
Fuel cell water management control method, device, equipment and storage medium Download PDFInfo
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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
- 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
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Abstract
The invention discloses a fuel cell water management control method, a device, equipment and a storage medium. The method comprises the following steps: the current high-frequency impedance value of the fuel cell is acquired. And determining whether the fuel cell floods or not based on the current high-frequency impedance value and a preset high-frequency impedance value. And under the condition that the fuel cell is flooded, controlling the water pump to increase the rotating speed. Under the condition that the preset end rotating speed adjusting condition is detected, the water pump is controlled to continue to operate at the current rotating speed, so that the beneficial effects of accurately and effectively controlling the humidity of the fuel cell engine without additionally adding a membrane humidifier hardware facility are achieved.
Description
Technical Field
The present invention relates to the field of fuel cell development technologies, and in particular, to a method, an apparatus, a device, and a storage medium for controlling water management of a fuel cell.
Background
During the reaction process of the fuel cell engine, the reaction gas is required to be continuously supplied into the engine, wherein the anode gas is supplied with hydrogen, and the cathode is supplied with oxygen. However, the fuel cell stack proton exchange membrane needs to operate in a suitable humidity regime, which is affected by the fuel cell engine reaction characteristics.
In the existing fuel cell engine integration technology, air supplied by a membrane humidifier for a cathode is often utilized to keep a proton exchange membrane of a fuel cell stack to work in a proper humidity range. However, the membrane humidifier has large volume, is unfavorable for the whole engine integration, and reduces the volume ratio power and the mass ratio power of the engine. However, if the membrane humidifier is not adopted, the water quantity generated in the high power area of the fuel cell engine is large, so that the flooding phenomenon is very easy to generate, and the reaction efficiency of the fuel cell engine is reduced.
Disclosure of Invention
The invention provides a fuel cell water management control method, a device, equipment and a storage medium, which can realize accurate and effective control of the humidity of a fuel cell engine without additionally adding a membrane humidifier hardware facility.
According to an aspect of the present invention, a fuel cell water management control method is provided. The method comprises the following steps:
acquiring a current high-frequency impedance value of the fuel cell;
determining whether the fuel cell is flooded or not based on the current high-frequency impedance value and a preset high-frequency impedance value;
under the condition that the fuel cell is flooded, controlling the water pump to increase the rotating speed;
and under the condition that the preset end rotating speed adjusting condition is detected to be reached, controlling the water pump to continue to operate at the current rotating speed.
According to another aspect of the present invention, a fuel cell water management control device is provided. The device comprises:
a high-frequency impedance value acquisition module for acquiring a current high-frequency impedance value of the fuel cell;
the flooding phenomenon judging module is used for determining whether the fuel cell is flooded or not based on the current high-frequency impedance value and a preset high-frequency impedance value;
the first rotation speed control module is used for controlling the water pump to increase the rotation speed under the condition that the fuel cell is flooded;
and the second rotating speed control module is used for controlling the water pump to continue to operate at the current rotating speed under the condition that the preset ending rotating speed adjusting condition is detected to be reached.
According to another aspect of the present invention, there is provided an electronic apparatus including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein, the liquid crystal display device comprises a liquid crystal display device,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the fuel cell water management control method according to any one of the embodiments of the present invention.
According to another aspect of the present invention, there is provided a computer readable storage medium storing computer instructions for causing a processor to implement the fuel cell water management control method according to any one of the embodiments of the present invention when executed.
According to the technical scheme, the current high-frequency impedance value of the fuel cell is obtained. And determining whether the fuel cell floods or not based on the current high-frequency impedance value and a preset high-frequency impedance value. And under the condition that the fuel cell is flooded, controlling the water pump to increase the rotating speed. Under the condition that the preset end rotating speed adjusting condition is detected to be reached, the water pump is controlled to continue to operate at the current rotating speed, the technical problems that the whole engine is not easy to integrate due to the large size of the membrane humidifier and the volume ratio power and the mass ratio power of the engine are reduced are solved, the hardware facilities of the membrane humidifier are not required to be additionally increased, and the accurate and effective control of the humidity of the fuel cell engine is realized.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a structural view of a fuel cell engine according to a first embodiment of the present invention;
FIG. 2 is a flow chart of a fuel cell water management control method provided in accordance with a first embodiment of the present invention;
FIG. 3 is a flow chart of a fuel cell water management control method provided in accordance with a second embodiment of the present invention;
fig. 4 is a schematic structural view of a water management control device for a fuel cell according to a third embodiment of the present invention;
fig. 5 is a schematic structural view of an electronic device implementing a fuel cell water management control method according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a block diagram of a fuel cell engine according to a first embodiment of the present invention. The fuel cell engine includes an air supply subsystem and a thermal management subsystem. The air supply subsystem comprises an air filter 101, an air flowmeter 102, an air compressor 103, an intercooler 104, a temperature sensor 105, a pressure sensor 106 and an electronic throttle valve 107. The air compressor 103 can provide a certain pressure and flow of reaction gas for the electric pile by adjusting the rotating speed, and the temperature sensor 105 is used for measuring the temperature of the gas entering the anode of the electric pile. The electronic throttle valve 107 is used for realizing the back pressure of a pipeline between the air compressor 103 and the electronic throttle valve 107. The thermal management subsystem includes a water pump 108, a deionizer 109, and a heat sink 110. The intercooler 104 is used for cooling air after pressurizing the air compressor 103, and the rotation speed of the water pump 108 can be regulated, so that the air inlet temperature of the cathode of the electric pile can be regulated. The deionizer 109 is used to remove conductive ions in the thermal management subsystem.
Fig. 2 is a flowchart of a water management control method for a fuel cell according to a first embodiment of the present invention, where the method may be performed by a water management control device for a fuel cell, where the water management control device for a fuel cell may be implemented in hardware and/or software, and the water management control device for a fuel cell may be configured in an electronic device. As shown in fig. 2, the method includes:
s201, acquiring the current high-frequency impedance value of the fuel cell.
In particular, obtaining the current high frequency impedance value of the fuel cell requires the use of associated test equipment and methods. In general, fuel cells can be tested using an ac impedance testing instrument. During testing, a testing instrument is connected with the electrode of the fuel cell, a sine wave signal with a certain frequency is used as a testing signal, and the current high-frequency impedance value of the fuel cell is calculated by measuring the output current and the voltage.
It should be noted that the high-frequency impedance value of the fuel cell is affected by various factors such as temperature, humidity, redox state, etc., and therefore it is necessary to keep the conditions uniform at the time of the test. In addition, the test result needs to be combined with other test methods such as a scanning electron microscope, X-ray diffraction and the like, and comprehensive consideration is carried out to obtain a more accurate conclusion.
S202, determining whether the fuel cell floods or not based on the current high-frequency impedance value and a preset high-frequency impedance value.
The preset high-frequency impedance value can be preset according to an actual scene. It should be noted that the preset high-frequency impedance values are different in different actual scenarios.
Specifically, according to the impedance value magnitude relation respectively corresponding to the current high-frequency impedance value and the preset high-frequency impedance value, whether the fuel cell is flooded or not can be determined.
Illustratively, the determining whether the flooding phenomenon occurs to the fuel cell based on the current high-frequency impedance value and a preset high-frequency impedance value includes: comparing the preset high-frequency impedance value with the current high-frequency impedance value; and determining that the fuel cell is flooded under the condition that the current high-frequency impedance value is smaller than or equal to the preset high-frequency impedance value.
Specifically, comparing a preset high-frequency impedance value with the current high-frequency impedance value, and determining that the fuel cell floods under the condition that the current high-frequency impedance value is smaller than or equal to the preset high-frequency impedance value. And under the condition that the current high-frequency impedance value is larger than a preset high-frequency impedance value, determining that the fuel cell is not flooded.
And S203, controlling the water pump to increase the rotating speed under the condition that the fuel cell is flooded.
Specifically, under the condition that the fuel cell is flooded, the rotation speed of the water pump can be adjusted, so that the air inlet temperature of the cathode of the electric pile can be adjusted, and the flooding phenomenon of the fuel cell is eliminated.
Illustratively, after the controlling the water pump to increase the rotational speed, further comprising: acquiring the air inlet temperature of the cathode of the fuel cell; and re-acquiring a current high-frequency impedance value of the fuel cell under the condition that the air inlet temperature is detected to be reduced by a preset value, and returning to execute an operation of determining whether the flooding phenomenon of the fuel cell occurs or not based on the current high-frequency impedance value and the preset high-frequency impedance value.
Specifically, the comparison processing is performed according to the air inlet temperature of the cathode of the fuel cell and a preset value, under the condition that the air inlet temperature is determined to be reduced by the preset value, the current high-frequency impedance value of the fuel cell is obtained again, and whether the operation of flooding phenomenon of the fuel cell occurs is determined again according to the current high-frequency impedance value and the preset high-frequency impedance value.
Illustratively, the acquiring the intake air temperature of the fuel cell cathode may acquire the intake air temperature of the fuel cell cathode by a temperature sensor provided at an intake port of the fuel cell cathode.
By way of example, the technical solution of the present invention may further re-acquire a current high-frequency impedance value of the fuel cell based on a preset time interval, and return to perform an operation of determining whether a flooding phenomenon occurs in the fuel cell based on the current high-frequency impedance value and the preset high-frequency impedance value.
For example, in the case that the current high-frequency impedance value is greater than the preset high-frequency impedance value, the water pump is controlled to continue to operate at the current rotation speed.
Specifically, if the current high-frequency impedance value is greater than the preset high-frequency impedance value, the flooding phenomenon of the fuel cell is eliminated, and the water pump is controlled to continue to operate based on the current rotating speed.
And S204, controlling the water pump to continue to run at the current rotating speed under the condition that the preset ending rotating speed adjusting condition is detected.
For example, the ending rotation speed adjustment condition may include: the current high-frequency impedance value is larger than the preset high-frequency impedance value; or the current rotating speed of the water pump reaches a preset rotating speed threshold value; or the rotational speed of the water pump increased reaches a preset increment threshold; alternatively, the duration that the intake air temperature of the fuel cell cathode is higher than the preset temperature threshold exceeds the preset duration threshold.
And under the condition that any one of the ending rotation speed adjustment conditions is detected, controlling the water pump to continue to operate at the current rotation speed so as to ensure that the proton exchange membrane of the fuel cell stack works in a proper humidity interval.
According to the technical scheme, the current high-frequency impedance value of the fuel cell is obtained. And determining whether the fuel cell floods or not based on the current high-frequency impedance value and a preset high-frequency impedance value. And under the condition that the fuel cell is flooded, controlling the water pump to increase the rotating speed. Under the condition that the preset end rotating speed adjusting condition is detected to be reached, the water pump is controlled to continue to operate at the current rotating speed, the technical problems that the whole engine is not easy to integrate due to the large size of the membrane humidifier and the volume ratio power and the mass ratio power of the engine are reduced are solved, the hardware facilities of the membrane humidifier are not required to be additionally increased, and the accurate and effective control of the humidity of the fuel cell engine is realized.
Example two
Fig. 3 is a flowchart of a fuel cell water management control method according to a second embodiment of the present invention, which is a preferred implementation of the technical solutions of the foregoing embodiments. As shown in fig. 3, the method includes:
s301, acquiring a current high-frequency impedance value of the fuel cell.
S302, determining whether the current high-frequency impedance value is larger than a preset high-frequency impedance value, and if the current high-frequency impedance value is smaller than or equal to the preset high-frequency impedance value, indicating that the fuel cell is in a flooding state, executing step S303; if the current high-frequency impedance value is larger than the preset high-frequency impedance value, the fuel cell is not in a flooded state, and the process is ended.
And S303, controlling the water pump to increase the rotating speed under the condition that the fuel cell is flooded.
S304, based on the preset time interval, the current high-frequency impedance value of the fuel cell is acquired again.
S305, determining whether the newly acquired current high-frequency impedance value is larger than a preset high-frequency impedance value, and if the current high-frequency impedance value is smaller than or equal to the preset high-frequency impedance value, indicating that the fuel cell is in a flooded state, returning to the step S303; if the current high-frequency impedance value is larger than the preset high-frequency impedance value, the fuel cell is not in a flooded state, and the process is ended.
Example III
Fig. 4 is a schematic structural diagram of a water management control device for a fuel cell according to a third embodiment of the present invention. As shown in fig. 4, the apparatus includes: a high-frequency impedance value acquisition module 401, a flooding phenomenon judgment module 402, a first rotation speed control module 403 and a second rotation speed control module 404. Wherein, the liquid crystal display device comprises a liquid crystal display device,
a high-frequency impedance value acquisition module 401 for acquiring a current high-frequency impedance value of the fuel cell;
a flooding determination module 402, configured to determine whether a flooding occurs in the fuel cell based on the current high-frequency impedance value and a preset high-frequency impedance value;
a first rotation speed control module 403, configured to control the water pump to increase the rotation speed when the flooding phenomenon occurs in the fuel cell;
and the second rotating speed control module 404 is used for controlling the water pump to continue to operate at the current rotating speed under the condition that the preset ending rotating speed adjusting condition is detected.
According to the technical scheme, the current high-frequency impedance value of the fuel cell is obtained. And determining whether the fuel cell floods or not based on the current high-frequency impedance value and a preset high-frequency impedance value. And under the condition that the fuel cell is flooded, controlling the water pump to increase the rotating speed. Under the condition that the preset end rotating speed adjusting condition is detected to be reached, the water pump is controlled to continue to operate at the current rotating speed, the technical problems that the whole engine is not easy to integrate due to the large size of the membrane humidifier and the volume ratio power and the mass ratio power of the engine are reduced are solved, the hardware facilities of the membrane humidifier are not required to be additionally increased, and the accurate and effective control of the humidity of the fuel cell engine is realized.
Optionally, the flooding phenomenon determination module 402 includes:
the impedance value comparison unit is used for comparing the preset high-frequency impedance value with the current high-frequency impedance value;
and the flooding phenomenon judging unit is used for determining that the fuel cell is flooded under the condition that the current high-frequency impedance value is smaller than or equal to the preset high-frequency impedance value.
Optionally, the apparatus further comprises: and (5) judging the water flooding phenomenon again. Wherein, the water logging phenomenon re-judging module comprises:
an intake air temperature judgment unit for acquiring an intake air temperature of the cathode of the fuel cell;
and the flooding phenomenon re-judging unit is used for re-acquiring the current high-frequency impedance value of the fuel cell under the condition that the air inlet temperature is detected to be reduced by a preset value, and returning to execute the operation of determining whether the flooding phenomenon occurs to the fuel cell based on the current high-frequency impedance value and the preset high-frequency impedance value.
Alternatively, the intake air temperature determination unit may be specifically configured to:
the intake air temperature of the fuel cell cathode is obtained by a temperature sensor provided at an intake port of the fuel cell cathode.
Optionally, the current high-frequency impedance value of the fuel cell is re-acquired based on a preset time interval, and the operation of determining whether the flooding phenomenon of the fuel cell occurs based on the current high-frequency impedance value and the preset high-frequency impedance value is performed back.
Optionally, the ending rotation speed adjustment condition includes:
the current high-frequency impedance value is larger than the preset high-frequency impedance value; or alternatively, the process may be performed,
the current rotating speed of the water pump reaches a preset rotating speed threshold value; or alternatively, the process may be performed,
the rotational speed of the water pump reaches a preset increment threshold; or alternatively, the process may be performed,
the duration that the intake air temperature of the fuel cell cathode is above the preset temperature threshold exceeds the preset duration threshold.
Optionally, the apparatus further comprises:
the water pump rotating speed maintaining module is used for controlling the water pump to continue to operate at the current rotating speed under the condition that the current high-frequency impedance value is larger than the preset high-frequency impedance value.
The fuel cell water management control device provided by the embodiment of the invention can execute the fuel cell water management control method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
Example IV
Fig. 5 shows a schematic diagram of the structure of an electronic device 10 that may be used to implement an embodiment of the invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. Electronic equipment may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 5, the electronic device 10 includes at least one processor 11, and a memory, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, etc., communicatively connected to the at least one processor 11, in which the memory stores a computer program executable by the at least one processor, and the processor 11 may perform various appropriate actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from the storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the electronic device 10 may also be stored. The processor 11, the ROM 12 and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to bus 14.
Various components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, etc.; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, an optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 11 performs the various methods and processes described above, such as method fuel cell water management control.
In some embodiments, the method fuel cell water management control may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into RAM 13 and executed by processor 11, one or more steps of the method fuel cell water management control described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the method fuel cell water management control in any other suitable manner (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for carrying out methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present invention may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present invention are achieved, and the present invention is not limited herein.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. A fuel cell water management control method, comprising:
acquiring a current high-frequency impedance value of the fuel cell;
determining whether the fuel cell is flooded or not based on the current high-frequency impedance value and a preset high-frequency impedance value;
under the condition that the fuel cell is flooded, controlling the water pump to increase the rotating speed;
and under the condition that the preset end rotating speed adjusting condition is detected to be reached, controlling the water pump to continue to operate at the current rotating speed.
2. The method of claim 1, wherein the determining whether flooding of the fuel cell occurs based on the current high frequency impedance value and a preset high frequency impedance value comprises:
comparing the preset high-frequency impedance value with the current high-frequency impedance value;
and determining that the fuel cell is flooded under the condition that the current high-frequency impedance value is smaller than or equal to the preset high-frequency impedance value.
3. The method of claim 1, further comprising, after said controlling the water pump to increase the rotational speed:
acquiring the air inlet temperature of the cathode of the fuel cell;
and re-acquiring a current high-frequency impedance value of the fuel cell under the condition that the air inlet temperature is detected to be reduced by a preset value, and returning to execute an operation of determining whether the flooding phenomenon of the fuel cell occurs or not based on the current high-frequency impedance value and the preset high-frequency impedance value.
4. A method according to claim 3, wherein said obtaining an intake air temperature of said fuel cell cathode comprises:
the intake air temperature of the fuel cell cathode is obtained by a temperature sensor provided at an intake port of the fuel cell cathode.
5. The method according to claim 1, wherein the current high-frequency impedance value of the fuel cell is newly acquired based on a preset time interval, and an operation of determining whether flooding of the fuel cell occurs based on the current high-frequency impedance value and a preset high-frequency impedance value is performed back.
6. The method of claim 1, wherein the end speed adjustment condition comprises:
the current high-frequency impedance value is larger than the preset high-frequency impedance value; or alternatively, the process may be performed,
the current rotating speed of the water pump reaches a preset rotating speed threshold value; or alternatively, the process may be performed,
the rotational speed of the water pump reaches a preset increment threshold; or alternatively, the process may be performed,
the duration that the intake air temperature of the fuel cell cathode is above the preset temperature threshold exceeds the preset duration threshold.
7. The method as recited in claim 1, further comprising:
and under the condition that the current high-frequency impedance value is larger than the preset high-frequency impedance value, controlling the water pump to continue to operate at the current rotating speed.
8. A fuel cell water management control apparatus, comprising:
a high-frequency impedance value acquisition module for acquiring a current high-frequency impedance value of the fuel cell;
the flooding phenomenon judging module is used for determining whether the fuel cell is flooded or not based on the current high-frequency impedance value and a preset high-frequency impedance value;
the first rotation speed control module is used for controlling the water pump to increase the rotation speed under the condition that the fuel cell is flooded;
and the second rotating speed control module is used for controlling the water pump to continue to operate at the current rotating speed under the condition that the preset ending rotating speed adjusting condition is detected to be reached.
9. An electronic device, the electronic device comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein, the liquid crystal display device comprises a liquid crystal display device,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the fuel cell water management control method of any one of claims 1-7.
10. A computer readable storage medium storing computer instructions for causing a processor to implement the fuel cell water management control method of any one of claims 1-7 when executed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310753445.6A CN116544463A (en) | 2023-06-25 | 2023-06-25 | Fuel cell water management control method, device, equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310753445.6A CN116544463A (en) | 2023-06-25 | 2023-06-25 | Fuel cell water management control method, device, equipment and storage medium |
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| CN116544463A true CN116544463A (en) | 2023-08-04 |
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| CN202310753445.6A Pending CN116544463A (en) | 2023-06-25 | 2023-06-25 | Fuel cell water management control method, device, equipment and storage medium |
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| CN (1) | CN116544463A (en) |
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2023
- 2023-06-25 CN CN202310753445.6A patent/CN116544463A/en active Pending
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