WO2023160412A1 - Procédé et appareil d'identification d'état de convertisseur de courant continu en courant continu monté sur véhicule, dispositif et support - Google Patents

Procédé et appareil d'identification d'état de convertisseur de courant continu en courant continu monté sur véhicule, dispositif et support Download PDF

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Publication number
WO2023160412A1
WO2023160412A1 PCT/CN2023/075496 CN2023075496W WO2023160412A1 WO 2023160412 A1 WO2023160412 A1 WO 2023160412A1 CN 2023075496 W CN2023075496 W CN 2023075496W WO 2023160412 A1 WO2023160412 A1 WO 2023160412A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
converter
state
battery
current
Prior art date
Application number
PCT/CN2023/075496
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English (en)
Chinese (zh)
Inventor
胡海波
Original Assignee
北京车和家汽车科技有限公司
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Application filed by 北京车和家汽车科技有限公司 filed Critical 北京车和家汽车科技有限公司
Publication of WO2023160412A1 publication Critical patent/WO2023160412A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005—Testing of electric installations on transport means
    • G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385—Arrangements for measuring battery or accumulator variables

Definitions

  • the present disclosure relates to the technical field of vehicles, and in particular to a method, device, device, medium, computer program product and computer program for state identification of a vehicle-mounted DC-to-DC converter.
  • the on-board DC-to-DC converter in the car is a device that converts the high voltage of the power battery pack into a constant 12V, 14V or 24 low voltage, which can not only supply power to the entire vehicle electrical appliances, but also charge the battery.
  • the function of the vehicle-mounted DC-to-DC converter on a pure electric vehicle is equivalent to the function of a generator and a regulator on a traditional fuel vehicle.
  • the instrument panel cannot immediately report the abnormal information of the vehicle-mounted DC-to-DC converter, and the user cannot immediately find out the abnormality of the vehicle-mounted DC-to-DC converter, and will continue to drive the car, which will not only affect driving safety, but also It may cause damage to the battery, which will eventually cause the car to be unable to drive and reduce the user experience.
  • the present disclosure aims to solve technical problems in related technologies to a certain extent.
  • the embodiment of the present disclosure proposes a state recognition method for a vehicle-mounted DC-to-DC converter, including the following steps: obtaining the working current and voltage of the battery; obtaining the status of the enabling terminal of the vehicle-mounted DC-to-DC converter; and The working current and voltage of the storage battery and the state of the enabling terminal of the vehicle-mounted DC-to-DC converter identify the state of the vehicle-mounted DC-to-DC converter.
  • the working current and voltage of the battery are obtained, and the state of the enabling terminal of the vehicle-mounted DC-to-DC converter is obtained, and then according to the working current, voltage and The state of the enable terminal of the vehicle-mounted DC-to-DC converter identifies the state of the vehicle-mounted DC-to-DC converter. Therefore, this method can identify the state of the vehicle-mounted DC-to-DC converter in advance before the vehicle reports a fault, and prevent the driver from continuing to drive the car when the vehicle-mounted DC-to-DC converter is abnormal, which not only improves driving safety , and reduce the probability of battery damage, thereby improving the user experience.
  • the state identification method of the vehicle-mounted DC-to-DC converter proposed in the embodiment of the first aspect of the present disclosure may also have the following additional technical features:
  • the identifying the state of the vehicle-mounted DC-to-DC converter according to the working current and voltage of the battery and the state of the enabling terminal of the vehicle-mounted DC-to-DC converter includes: according to the storage Calculate the average current of the storage battery based on the operating current of the battery; identify the state of the vehicle-mounted DC-to-DC converter according to the average current and voltage of the battery and the enable terminal status of the vehicle-mounted DC-to-DC converter.
  • the identifying the state of the vehicle-mounted DC-to-DC converter according to the average current and voltage of the battery and the state of the enabling terminal of the vehicle-mounted DC-to-DC converter includes: based on the The state of the enabling terminal of the vehicle-mounted DC-to-DC converter is working, and in response to the average current of the battery being greater than a set current and the voltage of the battery decreasing, it is identified that the state of the vehicle-mounted DC-to-DC converter is abnormal.
  • the above-mentioned method for identifying the state of the vehicle-mounted DC-to-DC converter further includes: generating vehicle-mounted DC-to-DC abnormality information based on the state of the vehicle-mounted DC-to-DC converter being abnormal; sending the vehicle-mounted DC-DC converter to DC-to-DC abnormal information is sent to the terminal.
  • the embodiment of the present disclosure proposes a state recognition device for a vehicle-mounted DC-to-DC converter, the device includes: a first acquisition module, used to obtain the working current and voltage of the battery; a second acquisition module, used to obtain The state of the enabling terminal of the vehicle-mounted DC-to-DC converter; and an identification module for identifying the vehicle-mounted DC-to-DC converter according to the operating current and voltage of the battery and the state of the enabling terminal of the vehicle-mounted DC-to-DC converter device status.
  • the operating current and voltage of the battery are obtained through the first acquisition module, and the enabling terminal state of the vehicle-mounted DC-to-DC converter is obtained through the second acquisition module, so that The identification module identifies the status of the vehicle-mounted DC-to-DC converter according to the working current and voltage of the battery and the status of the enabling terminal of the vehicle-mounted DC-to-DC converter.
  • the device can identify the state of the vehicle-mounted DC-to-DC converter in advance before the vehicle reports a fault, preventing the driver from continuing to drive the car when the vehicle-mounted DC-to-DC converter is abnormal, which not only improves driving safety , and reduce the probability of battery damage, thereby improving the user experience.
  • the state identification device for the vehicle-mounted DC-to-DC converter proposed in the embodiment of the second aspect of the present disclosure may also have the following additional technical features:
  • the identification module includes: a calculation unit, configured to calculate the average current of the storage battery according to the working current of the storage battery; and an identification unit, configured to calculate the average current of the storage battery according to the average current of the storage battery,
  • the voltage and the state of the enabling terminal of the vehicle-mounted DC-to-DC converter are used to identify the state of the vehicle-mounted DC-to-DC converter.
  • the identification unit is configured to: based on the state of the enabling terminal of the vehicle-mounted DC-to-DC converter as working, in response to the average current of the battery being greater than a set current, and the battery The voltage of the vehicle drops, and the state of the vehicle-mounted DC-to-DC converter is identified as abnormal.
  • the above-mentioned device further includes: a generating module, configured to generate vehicle-mounted DC-to-DC abnormality information based on the status of the vehicle-mounted DC-to-DC converter; and a sending module, configured to send the Send the vehicle-mounted DC converter abnormal information to the terminal.
  • a generating module configured to generate vehicle-mounted DC-to-DC abnormality information based on the status of the vehicle-mounted DC-to-DC converter
  • a sending module configured to send the Send the vehicle-mounted DC converter abnormal information to the terminal.
  • an embodiment of the present disclosure provides an electronic device, which includes: a processor and a memory; wherein, the processor reads the executable program code stored in the memory to run the Executing the program corresponding to the program code is used to realize the state identification method of the vehicle-mounted DC-to-DC converter in any embodiment of the first aspect above.
  • the electronic device of the embodiment of the present disclosure can identify the state of the vehicle-mounted DC-to-DC converter in advance before the vehicle reports a fault by implementing the state recognition method of the vehicle-mounted DC-to-DC converter in the above-mentioned embodiments, avoiding It prevents the driver from continuing to drive the car when the on-board DC-to-DC converter is abnormal, which not only improves driving safety, but also reduces the probability of battery damage, thereby improving the user experience.
  • the embodiment of the present disclosure proposes a non-transitory computer-readable storage medium, on which a computer program is stored.
  • the computer program is executed by a processor, the vehicle-mounted DC-to-DC converter in any embodiment of the first aspect above is implemented.
  • a state identification method for a converter is implemented.
  • the non-transitory computer-readable storage medium of the embodiment of the present disclosure by implementing the state recognition method of the vehicle-mounted DC-to-DC converter of the above-mentioned embodiment, can identify the state of the vehicle-mounted DC-to-DC converter in advance before the vehicle reports a fault Carry out early identification to prevent the driver from continuing to drive the car when the vehicle-mounted DC-to-DC converter is abnormal, which not only improves driving safety, but also reduces the probability of battery damage, thereby improving the user experience.
  • the embodiments of the present disclosure provide a computer program product, which, when the instruction processor in the computer program product executes, implements the state recognition method of the vehicle-mounted DC-to-DC converter in any embodiment of the above-mentioned first aspect.
  • the computer program product of the embodiment of the present disclosure can identify the state of the vehicle-mounted DC-to-DC converter in advance before the vehicle reports a fault by executing the state recognition method of the vehicle-mounted DC-to-DC converter in the above-mentioned embodiments, avoiding The driver continues to drive the car when the on-board DC-to-DC converter is abnormal, which not only improves driving safety, but also reduces the probability of battery damage, thereby improving user experience.
  • an embodiment of the present disclosure provides a computer program, including computer program code, when the computer program code is run on a computer, the computer is made to execute the vehicle-mounted program described in any embodiment of the first aspect above. State identification method of DC-to-DC converter.
  • the computer program of the embodiment of the present disclosure can advance the state of the vehicle-mounted DC-to-DC converter in advance before the vehicle reports a fault by executing the state recognition method of the vehicle-mounted DC-to-DC converter described in any of the above embodiments Identify and prevent the driver from continuing to drive the car when the on-board DC-to-DC converter is abnormal, which not only improves driving safety, but also reduces the probability of battery damage, thereby improving the user experience.
  • FIG. 1 is a flow chart of a state recognition method for a vehicle-mounted DC-to-DC converter according to an embodiment of the present disclosure
  • Fig. 2 is a flow chart of a state recognition method of a vehicle-mounted DC-to-DC converter according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a state recognition system of a vehicle-mounted DC-to-DC converter according to an embodiment of the present disclosure
  • Fig. 4 is a schematic block diagram of a state identification device for a vehicle-mounted DC-to-DC converter according to an embodiment of the present disclosure.
  • Fig. 1 is a flow chart of a state identification method for a vehicle-mounted DC-to-DC converter according to an embodiment of the present disclosure.
  • the execution subject of the state recognition method of the vehicle-mounted DC-to-DC converter in the embodiment of the present disclosure is the controller of the vehicle, and the controller of the vehicle may be a vehicle controller VCU (Vehicle Control Unit, vehicle controller ), or a controller set separately, which is not limited here.
  • VCU Vehicle Control Unit
  • vehicle controller a controller set separately, which is not limited here.
  • the method for identifying the state of a vehicle-mounted DC-to-DC converter includes steps S101-S103.
  • Step S101 Obtain the working current and voltage of the storage battery.
  • the working current of the battery can be collected in real time through the current sensor installed at the positive or negative terminal of the battery; the voltage of the battery can be collected in real time through the voltage sensor installed at the positive and negative terminals of the battery.
  • the battery manager is connected with the current sensor and voltage sensor of the battery to obtain the working current and voltage of the battery in real time.
  • the controller of the vehicle is connected to the battery manager through the LIN (Local Interconnect Network) bus or the CAN (Controller Area Network, Controller Area Network) bus, so that the controller of the vehicle can The bus obtains the working current and voltage of the storage battery in real time.
  • LIN Local Interconnect Network
  • CAN Controller Area Network, Controller Area Network
  • Step S102 Obtain the status of the enabling terminal of the vehicle-mounted DC-to-DC converter.
  • the state of the enabling terminal of the vehicle-mounted DC-to-DC converter can be working or non-working.
  • the controller of the vehicle is connected to the vehicle-mounted DC-to-DC converter, for example, at least connected to the enabling terminal of the vehicle-mounted DC-to-DC converter, so as to obtain the enabling state of the vehicle-mounted DC-to-DC converter.
  • Step S103 Identify the state of the vehicle-mounted DC-to-DC converter according to the working current and voltage of the battery and the state of the enabling terminal of the vehicle-mounted DC-to-DC converter.
  • the controller of the vehicle recognizes that the state of the vehicle-mounted DC-to-DC converter is not working when the state of the enabling terminal of the vehicle-mounted DC-DC converter is non-working; based on the state of the enabling terminal of the vehicle-mounted DC-to-DC converter as work, in response to the voltage drop of the battery and continues to drop, and the battery continues to discharge externally, it is recognized that the state of the vehicle-mounted DC-to-DC converter is abnormal.
  • the state recognition method of the vehicle-mounted DC-to-DC converter in the embodiment of the present disclosure can identify the state of the vehicle-mounted DC-to-DC converter in advance before the vehicle reports a fault, so as to prevent the driver from The car continues to drive when the converter is abnormal, which not only improves driving safety, but also reduces the probability of battery damage, thereby improving user experience.
  • Fig. 2 is a flow chart of a state identification method for a vehicle-mounted DC-to-DC converter according to an embodiment of the present disclosure.
  • the method for identifying the state of a vehicle-mounted DC-to-DC converter includes steps S201-S206.
  • Step S201 Obtain the working current and voltage of the storage battery.
  • Step S202 Obtain the status of the enabling terminal of the vehicle-mounted DC-to-DC converter.
  • steps S201 and S202 in this embodiment of the present disclosure please refer to steps S101 and S102 in the above embodiment for details.
  • Step S203 Calculate the average current of the battery according to the working current of the battery.
  • Step S204 Identify the state of the vehicle-mounted DC-to-DC converter according to the average current and voltage of the battery and the state of the enabling terminal of the vehicle-mounted DC-to-DC converter.
  • the controller of the vehicle calculates the battery current after obtaining the working current of the battery. the average current.
  • the controller of the vehicle recognizes that the state of the vehicle-mounted DC-to-DC converter is not working when the state of the enabling terminal of the vehicle-mounted DC-to-DC converter is non-working; based on the state of the enabling terminal of the vehicle-mounted DC-DC converter as working, In response to the voltage of the battery dropping and continuing to drop, and the operating current of the battery being greater than a set current (the set current can be set according to actual conditions), it is identified that the state of the vehicle-mounted DC-to-DC converter is abnormal.
  • Step S205 Based on the fact that the state of the vehicle-mounted DC-to-DC converter is abnormal, generate vehicle-mounted DC-to-DC abnormality information.
  • Step S206 Sending abnormality information of the vehicle-mounted DC converter to the terminal.
  • the controller of the vehicle when the controller of the vehicle recognizes that the state of the vehicle-mounted DC-to-DC converter is abnormal, it generates vehicle-mounted DC-to-DC abnormality information, and sends the vehicle-mounted DC-to-DC abnormality information to a terminal (such as a mobile phone) to remind the driver Pay attention to the abnormality of the current vehicle-mounted DC-to-DC converter.
  • a terminal such as a mobile phone
  • a vehicle-related APP Application, application program
  • the controller of the vehicle recognizes that the state of the vehicle-mounted DC-to-DC converter is abnormal, it generates vehicle-mounted DC-to-DC abnormality information, and sends the vehicle-mounted DC-to-DC abnormality information to the terminal APP, and then pushes it to the after-sales personnel through the terminal APP , so that the after-sales personnel can be reminded in time to analyze the cause of the failure immediately and contact the owner proactively.
  • the state identification method of the vehicle-mounted DC-to-DC converter in the embodiment of the present disclosure can identify in advance the vehicle that may have a potential risk of DC-to-DC converter abnormality in advance before the vehicle reports a fault, and diagnose the fault in advance. Avoid potential risks under the conditions that affect the user's use of the vehicle. Even when there is a failure of the DC-to-DC converter or other failures caused by the DC-to-DC converter not working, after-sales personnel can obtain information in a timely manner and can actively contact the car owner, greatly reducing user concerns, improving user experience, and enhancing brand value.
  • the execution subject of the state recognition method of the vehicle-mounted DC-to-DC converter in the embodiment of the present disclosure may also be a TSP (Telematics Service Provider, content service provider )platform.
  • TSP Transmissions Service Provider, content service provider
  • the state identification logic of the vehicle-mounted DC-to-DC converter can be added to the TSP platform. That is, the TSP platform is used as the execution subject of the method for identifying the state of the vehicle-mounted DC-to-DC converter according to the embodiment of the present disclosure.
  • Fig. 3 is a schematic diagram of a state recognition system of a vehicle-mounted DC-to-DC converter according to an embodiment of the present disclosure.
  • the state recognition system of the vehicle-mounted DC-to-DC converter of the embodiment of the present disclosure includes: a storage battery, a battery manager BMS (Battery Management System, battery manager), a vehicle controller VCU, and a vehicle-mounted T-BOX (Telematics BOX, telematics processor), TSP platform and mobile APP.
  • a storage battery a battery manager BMS (Battery Management System, battery manager), a vehicle controller VCU, and a vehicle-mounted T-BOX (Telematics BOX, telematics processor), TSP platform and mobile APP.
  • the battery manager obtains the working current and voltage of the battery in real time, and passes the working current and voltage of the battery through the LIN bus Send it to the vehicle controller VCU.
  • the vehicle controller VCU is connected to the vehicle-mounted DC-to-DC converter, for example, at least connected to the enabling terminal of the vehicle-mounted DC-to-DC converter, so as to obtain the enabling state of the vehicle-mounted DC-to-DC converter.
  • the vehicle controller VCU sends the working current and voltage of the battery and the enabling status of the on-board DC-to-DC converter to the on-board T-BOX through the CAN bus.
  • the on-board T-BOX uploads the working current and voltage of the battery and the enabling status of the on-board DC-to-DC converter to the TSP platform in the cloud.
  • the process of uploading information does not generate fees because the on-board T-BOX itself needs to upload other information.
  • the TSP platform judges that the enabled state of the vehicle-mounted DC-to-DC converter is working. In response to the external discharge of the battery, and the voltage of the battery decreases and continues to decrease, it is confirmed that the state of the vehicle-mounted DC-to-DC converter is abnormal.
  • the TSP platform immediately pushes the abnormality information of the vehicle-mounted DC-to-DC converter to the background server.
  • the background server pushes the abnormality information of the vehicle-mounted DC-to-DC converter to the mobile phone APP. Push the abnormal information of the vehicle-mounted DC-to-DC converter to the after-sales personnel through the mobile phone APP. In this process, only traffic is generated, and no additional costs and expenses will be added. In this way, the after-sales personnel can be promptly reminded to analyze the cause of the fault in the background and improve user experience. feel.
  • the state identification method of the vehicle-mounted DC-to-DC converter in the embodiment of the present disclosure can solve the problem of early identification and fault diagnosis of vehicles that may have a potential risk of DC-to-DC converter abnormality before the vehicle reports a fault. Under the conditions that affect the user's use of the vehicle, potential risks are avoided. Even when there is a DC-to-DC converter failure or other failures caused by the DC-to-DC converter not working, the after-sales personnel can get the information in time and can actively contact the owner. Reduce user concerns and enhance brand value.
  • the working current and voltage of the battery are obtained, and the state of the enabling terminal of the vehicle-mounted DC-to-DC converter is obtained, and then according to the state of the battery
  • the working current, voltage and the state of the enabling terminal of the vehicle-mounted DC-to-DC converter identify the state of the vehicle-mounted DC-to-DC converter. Therefore, this method can identify the state of the vehicle-mounted DC-to-DC converter in advance before the vehicle reports a fault, and prevent the driver from continuing to drive the car when the vehicle-mounted DC-to-DC converter is abnormal, which not only improves driving safety , and reduce the probability of battery damage, thereby improving the user experience.
  • Fig. 4 is a schematic block diagram of a state identification device for a vehicle-mounted DC-to-DC converter according to an embodiment of the present disclosure.
  • the state identification device 400 of the vehicle-mounted DC-to-DC converter includes: a first acquisition module 401 , a second acquisition module 402 and an identification module 403 .
  • the first obtaining module 401 is used to obtain the working current and voltage of the storage battery.
  • the second obtaining module 402 is used for obtaining the state of the enabling terminal of the vehicle-mounted DC-to-DC converter.
  • the identification module 403 is used to identify the state of the vehicle-mounted DC-to-DC converter according to the working current and voltage of the battery and the state of the enabling terminal of the vehicle-mounted DC-to-DC converter.
  • the identification module 403 includes: a calculation unit, used to calculate the average current of the battery according to the working current of the battery;
  • the state of the enable terminal of the vehicle can identify the state of the vehicle-mounted DC-to-DC converter.
  • the identification unit is configured to: based on the state of the enabling terminal of the vehicle-mounted DC-to-DC converter as working, in response to the average current of the battery being greater than the set current and the voltage of the battery decreasing, identify the vehicle-mounted DC-to-DC converter.
  • the status of the DC converter is abnormal.
  • the above-mentioned device further includes: a generating module, configured to The status of the current converter is abnormal, generating vehicle-mounted DC-to-DC abnormality information; and a sending module, configured to send the vehicle-mounted DC-to-DC abnormality information to the terminal.
  • the operating current and voltage of the battery are obtained through the first acquisition module, and the enabling terminal state of the vehicle-mounted DC-to-DC converter is obtained through the second acquisition module, so that The identification module identifies the status of the vehicle-mounted DC-to-DC converter according to the working current and voltage of the battery and the status of the enabling terminal of the vehicle-mounted DC-to-DC converter.
  • the device can identify the state of the vehicle-mounted DC-to-DC converter in advance before the vehicle reports a fault, preventing the driver from continuing to drive the car when the vehicle-mounted DC-to-DC converter is abnormal, which not only improves driving safety , and reduce the probability of battery damage, thereby improving the user experience.
  • the present disclosure also proposes an electronic device.
  • the electronic device in the embodiment of the present disclosure includes: a processor and a memory; wherein, the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory, so as to implement any one of the above first aspects
  • the state recognition method of the vehicle-mounted DC-to-DC converter of the embodiment includes: a processor and a memory; wherein, the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory, so as to implement any one of the above first aspects.
  • the electronic device of the embodiment of the present disclosure can identify the state of the vehicle-mounted DC-to-DC converter in advance before the vehicle reports a fault by implementing the state recognition method of the vehicle-mounted DC-to-DC converter in the above-mentioned embodiments, so as to avoid driving
  • the driver can continue to drive the car when the vehicle-mounted DC-to-DC converter is abnormal, which not only improves driving safety, but also reduces the probability of battery damage, thereby improving the user experience.
  • the present disclosure also proposes a non-transitory computer-readable storage medium.
  • the non-transitory computer-readable storage medium of the embodiment of the present disclosure has a computer program stored thereon, and when the computer program is executed by a processor, the state recognition method of the vehicle-mounted DC-to-DC converter in any embodiment of the first aspect above is realized.
  • the non-transitory computer-readable storage medium of the embodiment of the present disclosure by implementing the state recognition method of the vehicle-mounted DC-to-DC converter of the above-mentioned embodiment, can identify the state of the vehicle-mounted DC-to-DC converter in advance before the vehicle reports a fault Carry out early identification to prevent the driver from continuing to drive the car when the vehicle-mounted DC-to-DC converter is abnormal, which not only improves driving safety, but also reduces the probability of battery damage, thereby improving the user experience.
  • the present disclosure also proposes a computer program product.
  • the computer program product of the embodiment of the present disclosure when the instructions in the computer program product are executed by the processor, implements the state recognition method of the vehicle-mounted DC-to-DC converter in any embodiment of the first aspect above.
  • the computer program product of the embodiment of the present disclosure can identify the state of the vehicle-mounted DC-to-DC converter in advance before the vehicle reports a fault by executing the state recognition method of the vehicle-mounted DC-to-DC converter in the above-mentioned embodiments, avoiding The driver continues to drive the car when the on-board DC-to-DC converter is abnormal, which not only improves driving safety, but also reduces the probability of battery damage, thereby improving user experience.
  • the computer program of the embodiment of the present disclosure includes computer program code, and when the computer program code is run on the computer, it enables the computer to perform the state identification of the vehicle-mounted DC-to-DC converter described in any of the above-mentioned embodiments. method.
  • the computer program of the embodiment of the present disclosure can advance the state of the vehicle-mounted DC-to-DC converter in advance before the vehicle reports a fault by executing the state recognition method of the vehicle-mounted DC-to-DC converter described in any of the above embodiments Identify and prevent the driver from continuing to drive the car when the on-board DC-to-DC converter is abnormal, which not only improves driving safety, but also reduces the probability of battery damage, thereby improving the user experience.
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features.
  • the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • a "computer-readable medium” may be any device that can contain, store, communicate, propagate or transmit a program for use in or in conjunction with an instruction execution system, device or device.
  • computer-readable media include the following: electrical connection with one or more wires (electronic device), portable computer disk case (magnetic device), random access memory (RAM), Read Only Memory (ROM), Erasable and Editable Read Only Memory (EPROM or Flash Memory), Fiber Optic Devices, and Portable Compact Disc Read Only Memory (CDROM).
  • the computer-readable medium may even be paper or other suitable medium on which the program can be printed, as it may be possible, for example, by optically scanning the paper or other medium, followed by editing, interpreting, or other suitable processing if necessary.
  • the program is processed electronically and stored in computer memory.
  • each functional unit in each embodiment of the present disclosure may be integrated into one module, each unit may exist separately physically, or two or more units may be integrated into one module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or in the form of software function modules. If the integrated modules are implemented in the form of software function modules and sold or used as independent products, they can also be stored in a computer-readable storage medium.
  • the storage medium mentioned above may be a read-only memory, a magnetic disk or an optical disk, and the like.

Abstract

L'invention concerne un procédé et un appareil d'identification d'état de convertisseur de courant continu en courant continu monté sur véhicule, un dispositif, un support, un produit de programme informatique et un programme informatique. Le procédé d'identification d'état de convertisseur de courant continu en courant continu monté sur véhicule comprend les étapes suivantes consistant à : obtenir le courant de travail et la tension d'une batterie de stockage (S101) ; obtenir un état de fin d'activation d'un convertisseur de courant continu en courant continu monté sur véhicule (S102) ; et identifier un état du convertisseur de courant continu en courant continu monté sur véhicule en fonction du courant de travail et de la tension de la batterie de stockage, et de l'état de fin d'activation du convertisseur de courant continu en courant continu monté sur véhicule (S103).
PCT/CN2023/075496 2022-02-22 2023-02-10 Procédé et appareil d'identification d'état de convertisseur de courant continu en courant continu monté sur véhicule, dispositif et support WO2023160412A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210163380.5A CN115453224A (zh) 2022-02-22 2022-02-22 车载直流变直流变换器状态识别方法、装置、设备和介质
CN202210163380.5 2022-02-22

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WO2023160412A1 true WO2023160412A1 (fr) 2023-08-31

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