CN115891861A - Power supplement control method, device, equipment and storage medium - Google Patents

Power supplement control method, device, equipment and storage medium Download PDF

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Publication number
CN115891861A
CN115891861A CN202211643444.8A CN202211643444A CN115891861A CN 115891861 A CN115891861 A CN 115891861A CN 202211643444 A CN202211643444 A CN 202211643444A CN 115891861 A CN115891861 A CN 115891861A
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China
Prior art keywords
power
vehicle
management system
battery
battery management
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Pending
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CN202211643444.8A
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Chinese (zh)
Inventor
陶攀
马帅营
吴越鉴
吴月潭
葛民民
罗旭东
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Remote Commercial Vehicle R&D Co Ltd
Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Remote Commercial Vehicle R&D Co Ltd
Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd
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Application filed by Zhejiang Geely Holding Group Co Ltd, Zhejiang Remote Commercial Vehicle R&D Co Ltd, Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN202211643444.8A priority Critical patent/CN115891861A/en
Publication of CN115891861A publication Critical patent/CN115891861A/en
Priority to PCT/CN2023/124566 priority patent/WO2024131226A1/en
Pending legal-status Critical Current

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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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • 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]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a power supplement control method, a device, equipment and a storage medium, wherein the method is applied to a vehicle control unit and comprises the steps of outputting a high-level wake-up signal to wake up a battery management system when receiving a storage battery power supplement instruction sent by a TBOX; when the battery management system is awakened, controlling the battery management system to execute a whole vehicle power-on process; and when the whole vehicle electrification process is finished, the vehicle storage battery is supplied with electricity through the DC/DC. When the vehicle control unit receives a storage battery power supplementing instruction sent by the TBOX, the vehicle control unit outputs a high-level wake-up signal to wake up the battery management system, controls the battery management system to perform a vehicle power-on process, and then supplements power for the vehicle-mounted storage battery through DC/DC without changing hardware and software of the battery management system.

Description

Power supplement control method, device, equipment and storage medium
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a power supply control method, a power supply control device, power supply control equipment and a storage medium.
Background
The automobile electromotion technology is mature gradually, the battery replacement technology occupies an important position in the field of electric automobiles, the layout of manufacturers such as host factories and battery factories in battery replacement stations is wider and wider, and the quantity of universal battery replacement packs input in the battery replacement stations is more and more. Because the intelligent control ware of vehicle configuration is more and more, the consumption of on-vehicle battery also can increase thereupon, if the vehicle parks for a long time and does not use, the insufficient voltage risk of on-vehicle battery can increase, on-vehicle battery in case insufficient voltage vehicle will unable restart again, consequently need mend the electricity to on-vehicle battery through the battery package to prevent on-vehicle battery insufficient voltage, but the battery package kind that trades the electric vehicle change probably is different, if the battery package of change with trade the electric vehicle incompatible or the battery package does not possess the function of menring, then can't be for on-vehicle battery mend the electricity.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a power supplementing control method, a power supplementing control device, power supplementing control equipment and a storage medium, and aims to solve the technical problem that a power replacing vehicle in the prior art cannot be compatible with different types of battery packs to supplement power for a vehicle-mounted storage battery.
In order to achieve the above object, the present invention provides a method for controlling power supply, which is applied to a vehicle controller, and comprises the following steps:
when a storage battery power supply instruction sent by a TBOX (tunnel boring machine) is received, outputting a high-level wake-up signal to a battery management system so as to wake up the battery management system;
when the battery management system is awakened, controlling the battery management system to execute a whole vehicle power-on process;
and when the whole vehicle electrification process is finished, supplementing electricity for the vehicle-mounted storage battery through the DC/DC.
Optionally, when a battery power supplement instruction sent by the TBOX is received, outputting a high-level wake-up signal to a battery management system to wake up the battery management system, where the method includes:
when a storage battery power supplement instruction sent by the TBOX is received, a high-level wake-up signal is continuously output to a key wake-up port configured by a battery management system, and the battery management system is in a working state when the key wake-up port continuously receives the high-level wake-up signal.
Optionally, before the step of outputting a high-level wake-up signal to a battery management system to wake up the battery management system when receiving a battery power supplement command sent by a TBOX, the method further includes:
entering a working state from a dormant state when a wake-up message sent by a TBOX through a CAN is received;
and when the system enters a working state, receiving a storage battery power supplementing command sent by the TBOX through the CAN network.
Optionally, when the battery management system is awakened, controlling the battery management system to execute a whole vehicle power-on process includes:
and when the battery management system is awakened, sending a power-on instruction to the battery management system, and executing a whole vehicle power-on process when the battery management system receives the power-on instruction.
Optionally, when the whole vehicle power-on process is completed, the power compensation is performed on the vehicle-mounted storage battery through the DC/DC, including:
and when the whole vehicle electrification process is finished, outputting an enabling signal to the DC/DC, and when the DC/DC receives the enabling signal, entering a working state to supplement electricity for the vehicle-mounted storage battery.
Optionally, when the execution of the entire vehicle power-on process is completed, after the power is supplemented to the vehicle-mounted storage battery through the DC/DC, the method further includes:
when the battery voltage of the vehicle-mounted storage battery reaches a power supplementing cut-off voltage, controlling the DC/DC to stop supplementing power for the vehicle-mounted storage battery;
when the DC/DC stops supplying power for the vehicle-mounted storage battery, controlling the battery management system to execute a whole vehicle power-off process;
and when the current process of the whole vehicle is finished, stopping outputting the high-level wake-up signal to the battery management system so as to enable the battery management system to enter a dormant state or an off-line state.
Optionally, when the execution of the entire vehicle power-on process is completed, after the power is supplemented to the vehicle-mounted storage battery through the DC/DC, the method further includes:
when detecting that the battery voltage of the vehicle-mounted storage battery reaches a power compensation cut-off voltage, sending a power compensation completion signal to the TBOX, and stopping sending the wake-up message when the TBOX receives the power compensation completion signal;
and when the awakening message is not received, entering a dormant state from a working state.
In addition, to achieve the above object, the present invention also provides a power supply control device, including:
the high-level signal output module is used for outputting a high-level wake-up signal to a battery management system to wake up the battery management system when receiving a storage battery power supplement instruction sent by the TBOX;
the control module is used for controlling the battery management system to execute a whole vehicle power-on process when the battery management system is awakened;
and the power supply module is used for supplying power to the vehicle-mounted storage battery through the DC/DC when the whole vehicle power-on process is finished.
Further, to achieve the above object, the present invention also provides a complementary control apparatus including: a memory, a processor and a complementary control program stored on the memory and executable on the processor, the complementary control program being configured to implement the steps of the complementary control method as described above.
In addition, to achieve the above object, the present invention further proposes a storage medium having a compensation control program stored thereon, which when executed by a processor implements the steps of the compensation control method as described above.
The invention provides an electricity supplementing control method applied to a vehicle control unit, which comprises the following steps: when a storage battery power supplement instruction sent by a TBOX is received, outputting a high-level wake-up signal to a battery management system so as to wake up the battery management system; when the battery management system is awakened, controlling the battery management system to execute a whole vehicle power-on process; and when the whole vehicle electrification process is finished, the vehicle-mounted storage battery is subjected to power supplement through the DC/DC. When the vehicle control unit receives a storage battery power supplementing instruction sent by the TBOX, the vehicle control unit outputs a high-level wake-up signal to wake up the battery management system and control the battery management system to execute a vehicle power-on process, and when the vehicle power-on process is finished, the DC/DC is used for supplementing power to the vehicle-mounted storage battery without changing hardware and software of the battery management system.
Drawings
Fig. 1 is a schematic structural diagram of a compensation control device of a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a first embodiment of a power-on control method of the present invention;
FIG. 3 is a schematic diagram illustrating a power supplement of a vehicle-mounted storage battery according to an embodiment of the power supplement control method of the present invention;
FIG. 4 is a schematic flow chart of a second embodiment of the power-supplementing control method of the present invention;
FIG. 5 is a schematic flow chart of a third embodiment of the power-supplementing control method according to the present invention;
FIG. 6 is a schematic flow chart illustrating power supply to a vehicle-mounted battery according to an embodiment of the power supply control method of the present invention;
fig. 7 is a block diagram showing the configuration of the first embodiment of the charge control device according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a compensation control device in a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the complementary control device may include: a processor 1001, such as a Central Processing Unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display (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., a Wireless-Fidelity (WI-FI) interface). The Memory 1005 may be a high-speed Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as a disk Memory. The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration shown in fig. 1 is not intended to be limiting of the complementary control device and may include more or fewer components than shown, or some components in combination, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a storage medium, may include therein an operating system, a network communication module, a user interface module, and a supplementary control program.
In the complementary control apparatus shown in fig. 1, the network interface 1004 is mainly used for data communication with a network server; the user interface 1003 is mainly used for data interaction with a user; the processor 1001 and the memory 1005 of the compensation control device of the present invention may be provided in the compensation control device, and the compensation control device calls the compensation control program stored in the memory 1005 through the processor 1001 and executes the compensation control method provided by the embodiment of the present invention.
The embodiment of the invention provides a power supply control method, which is applied to a vehicle control unit, and fig. 2 is a schematic flow chart of a first embodiment of the power supply control method in the invention.
In this embodiment, the power supply control method includes the following steps:
step S10: and when a storage battery power supplement instruction sent by the TBOX is received, outputting a high-level wake-up signal to a battery management system so as to wake up the battery management system.
It should be noted that the execution subject of the embodiment may be a computing service device with data processing, network communication and program running functions, or an electronic device, a power supply control device, a vehicle control unit and the like capable of implementing the above functions. The present embodiment and each of the following embodiments will be described below by taking a Vehicle Control Unit (VCU) as an example.
It is understood that TBOX (Telematics BOX) is abbreviated as vehicle-mounted T-BOX, i.e. Telematics; the storage battery power supplement instruction can be an instruction for charging a vehicle-mounted storage battery; the TBOX awakening once at intervals of preset time to detect the battery voltage of the vehicle-mounted storage battery, and sending a storage battery power-supplementing command to the vehicle control unit through the CAN when the battery voltage is lower than a voltage threshold; the voltage threshold value can be a preset voltage value which needs to charge the vehicle-mounted storage battery; the high-level wake-up signal may be a signal to wake up the battery management system from a sleep state to an operating state; a BATTERY MANAGEMENT SYSTEM (BMS), also known as a BATTERY caregiver or BATTERY manager, is mainly used to intelligently manage and maintain each BATTERY cell, prevent overcharge and overdischarge of the BATTERY, prolong the service life of the BATTERY, and monitor the state of the BATTERY.
In this embodiment, the battery pack for supplementing power to the vehicle-mounted storage battery may be a battery replacement pack, a battery replacement interface and definition between the battery replacement pack and a battery replacement vehicle are kept unchanged, the battery management system is awakened by a high-level awakening signal output by the vehicle control unit, assuming that the battery replacement vehicle is powered on under the control of a key, the vehicle control unit is awakened by a key awakening signal output by a key hard wire, and after the vehicle control unit is awakened, the high-level awakening signal is output to awaken the battery management system; the key wake-up signal may be a wake-up signal output through a key hardwire after a vehicle key enters a starting gear (i.e., an on gear).
In specific implementation, after the vehicle is powered off, the controllers enter a sleep state successively, the TBOX automatically wakes up once at preset time intervals to detect the battery voltage of the vehicle-mounted storage battery, and when the battery voltage is greater than a voltage threshold value, the TBOX enters the sleep state; when the battery voltage is smaller than or equal to the voltage threshold, the TBOX sends a storage battery power supplement instruction to the vehicle control unit, and when the vehicle control unit receives the storage battery power supplement instruction sent by the TBOX, the vehicle control unit outputs a high-level wake-up signal to the battery management system so as to wake up the battery management system from a sleep state to a working state.
Step S20: and when the battery management system is awakened, controlling the battery management system to execute a whole vehicle power-on process.
It can be understood that the whole vehicle power-on process can be a whole vehicle execution high voltage process; after the vehicle controller wakes up the battery management system, a power-on command is sent to the battery management system, and after the battery management system receives the power-on command, a vehicle power-on process is executed.
Step S30: and when the whole vehicle electrification process is finished, the vehicle-mounted storage battery is subjected to power supplement through the DC/DC.
It can be understood that the vehicle control unit can determine whether the power-on process of the vehicle is completed by detecting the main positive relay, the main negative relay and the bus voltage, for example: and the vehicle controller detects that the main positive relay is closed, the main negative relay is closed and the bus end has high voltage, and judges that the whole vehicle electrification process is finished. And the vehicle control unit controls the DC/DC to obtain electric energy from the battery pack to supplement the electric energy for the vehicle-mounted storage battery.
In specific implementation, a battery replacement interface connected with a battery replacement vehicle is arranged on a battery replacement pack, the battery replacement interface and definition between the battery replacement pack and the battery replacement vehicle are kept unchanged, a whole vehicle end key is connected to a whole vehicle controller in a hard wire mode, a whole vehicle end key wake-up signal output by the key hard wire is used for waking up the whole vehicle controller, after the vehicle key enters an on gear, the key wake-up signal is output to the whole vehicle controller through the key hard wire, the whole vehicle controller outputs a high-level wake-up signal to wake up a battery management system after being awakened by the key wake-up signal, and after the battery management system is awakened, a whole vehicle power-on process is carried out according to an instruction sent by the whole vehicle controller; after a vehicle key enters an extinguishing gear (namely an off gear), each controller sequentially enters a dormant state, TBOX is automatically awakened at preset intervals to detect the battery voltage of a vehicle-mounted storage battery, when the battery voltage is smaller than or equal to a voltage threshold, the vehicle controller is awakened and sends a storage battery power-supplementing command to the vehicle controller, the vehicle controller outputs a high-level awakening signal to a battery management system when receiving the storage battery power-supplementing command so as to awaken the battery management system and control the battery management system to execute a high-voltage flow on the vehicle, when the vehicle controller detects that a main positive relay is closed, a main negative relay is closed and a bus end has high voltage, the vehicle determines that the execution of the power-on flow on the vehicle is finished, and the DC/DC is controlled to acquire electric energy from a battery pack to supplement the vehicle-mounted storage battery.
Further, in order to make compatibility between different types of battery replacement packs and supplement power for the vehicle-mounted storage battery without changing hardware and software of a battery management system in the battery replacement pack, the step S10 includes: when a storage battery power supplement instruction sent by the TBOX is received, a high-level wake-up signal is continuously output to a key wake-up port configured by a battery management system, and the battery management system is in a working state when the key wake-up port continuously receives the high-level wake-up signal.
It is understood that the high-level wake-up signal may be a high-level driving signal output by the vehicle control unit for waking up the battery management system; the key awakening port can be a port which is configured by the battery management system at a battery swapping interface of the battery swapping bag and used for receiving a high-level awakening signal, and if the high-level awakening signal continuously exists in the key awakening port, the battery management system is awakened to a working state; after the high-level wake-up signal of the key wake-up port disappears, the battery management system enters a dormant state or an off-line state.
It should be noted that, a key wake-up port configured in the current battery management system generally receives an output signal of a key hard wire, in this embodiment, a signal of the key wake-up port is not input by the key hard wire, but is input by being controlled by the vehicle control unit, a high-level wake-up signal is configured in the vehicle control unit to access the key wake-up port configured in the battery replacement interface of the battery management system, the vehicle control unit continuously outputs the high-level wake-up signal to the key wake-up port, and the battery management system is woken up to enter a working state.
In specific implementation, a key wake-up port configured in the battery management system receives a high-level wake-up signal output by the vehicle controller instead of a hard-wired output signal of a key, the vehicle controller is configured with the high-level wake-up signal, the vehicle controller continuously outputs the high-level wake-up signal to the key wake-up port when receiving a power supplement instruction of the storage battery, and the battery management system enters a working state when detecting that the high-level wake-up signal exists in the key wake-up port.
Further, in order to supplement power to the vehicle-mounted storage battery in time when the battery power is low so as to prevent the vehicle-mounted storage battery from being lack of power, before the step S10, the method further includes: entering a working state from a dormant state when a wake-up message sent by a TBOX through a CAN is received; and when the system enters a working state, receiving a storage battery power supplement command sent by the TBOX through the CAN network.
It CAN be understood that the wake-up message may be a message sent by the TBOX through the CAN network to wake up the vehicle controller; the battery voltage of the vehicle-mounted storage battery is detected by self-awakening the TBOX once at preset time intervals, when the battery voltage is smaller than or equal to a voltage threshold value, an awakening message is sent to the vehicle control unit through the CAN network, the vehicle control unit enters a working state after receiving the awakening message, and when a storage battery power supplement instruction sent by the TBOX is received through the CAN network, a high-level awakening signal is continuously output to the battery management system so as to awaken the battery management system.
It should be noted that, at present, a power compensation scheme for a pure electric non-battery-replacement vehicle is generally implemented by the following manner: (1) Under an off gear, when the TBOX detects that the battery voltage of a vehicle-mounted storage battery is low, waking up a BMS and a VCU through a CAN network message, then the BMS executes a whole vehicle electrifying process and requests the VCU to drive a DC/DC to realize the electricity supplement of the vehicle-mounted storage battery (2), and timing self-waking up through a clock of the BMS, when the BMS detects that the battery voltage of the vehicle-mounted storage battery is low, enabling the DC/DC to realize the electricity supplement of the vehicle-mounted storage battery later, wherein the two modes both need hardware and software of the BMS to support the function development, for part types of battery replacement packages, the BMS hardware does not support CAN network wake-up or the BMS does not support timing self-wake-up to perform battery voltage detection, if the battery replacement vehicle replaces the battery replacement package of the type, the electricity supplement of the vehicle-mounted storage battery cannot be performed, and if the hardware of the battery replacement package is changed, huge cost is additionally generated; in the embodiment, the BMS key wake-up port does not receive the output signal of the hard key wire any more, but a VCU outputs a high-level wake-up signal to the BMS key wake-up port to control the battery management system, when a TBOX detects that the battery voltage of a lead-acid battery of a vehicle-mounted storage battery is less than or equal to a threshold voltage, the VCU is woken up through a CAN network, the VCU outputs the high-level wake-up signal to the BMS configured key wake-up port, the VCU controls the BMS to execute a high-voltage process on the whole vehicle, and the VCU enables DC/DC to charge the vehicle-mounted storage battery; under the on gear, when the VCU detects that the forbidden high-voltage fault exists outside the battery replacement pack, the VCU can stop outputting the high-level wake-up signal to the BMS so as to control the BMS to enter a sleep state, and the low-voltage power consumption under the fault condition can be reduced; according to the power supply control method provided by the embodiment, the voltage detection hardware support of the vehicle-mounted storage battery is not required to be carried out by the BMS hardware which has the CAN network awakening function and is awakened automatically at regular time, the BMS software is not required to recognize the CAN network awakening signal, the battery replacement package CAN keep an original state, the transformation cost of the battery replacement package is reduced, and meanwhile, the battery replacement packages of different types CAN be compatible to supply power for the vehicle-mounted storage battery.
In the specific implementation, referring to fig. 3, fig. 3 is a schematic diagram of a principle of power supplement to a vehicle-mounted storage battery, assuming that a preset time is 6 hours, a voltage threshold is 23V, after a vehicle key is powered down and enters an off gear, each control successively enters a sleep state, TBOX automatically wakes up once every 6h and detects the battery voltage of the vehicle-mounted storage battery, if the battery voltage is less than 23v, the TBOX sends a wake-up message to a VCU through a CAN network, the VCU receives the wake-up message sent by the CAN network and then enters a working state, after the VCU enters the working state, the TBOX sends a storage battery power supplement instruction to the VCU, when the VCU receives the storage battery power supplement instruction, the VCU outputs a high-level wake-up signal to a BMS configuration key wake-up port at a power conversion interface, the BMS enters the working state when the high-level wake-up signal is detected to be continuously present at the key-up port, the VCU sends a power-up instruction to the BMS, the VCU executes a power-up process, the VCU closes a main positive relay and a main negative relay, and when a bus section has a high voltage, the VCU sends an enable signal to the DC/DC, the DC enables the battery to enter the vehicle-mounted storage battery to execute a charging current output process; the preset time period and the voltage threshold may be set to other values according to actual situations, for example, the preset time period is set to 5 hours, and the turn-on voltage threshold is set to 11V, which is not limited herein.
The embodiment provides a power supply control method applied to a vehicle control unit, which comprises the following steps: when a storage battery power supplement instruction sent by a TBOX is received, outputting a high-level wake-up signal to a battery management system so as to wake up the battery management system; when the battery management system is awakened, controlling the battery management system to execute a whole vehicle power-on process; and when the whole vehicle electrification process is finished, the vehicle-mounted storage battery is subjected to power supplement through the DC/DC. When the vehicle control unit in the embodiment receives a storage battery power supplement instruction sent by the TBOX, a high-level wake-up signal is output to wake up the battery management system, and the battery management system is controlled to execute a vehicle power-on process, and when the vehicle power-on process is completed, the vehicle storage battery is supplemented through the DC/DC without changing hardware and software of the battery management system, and the vehicle control unit wakes up and controls the battery management system to supplement power for the vehicle storage battery, so that the function of being compatible with different types of battery packs to supplement power for the vehicle storage battery is realized, and the vehicle using experience of a user is improved.
Referring to fig. 4, fig. 4 is a flowchart illustrating a second embodiment of the power supply control method according to the present invention.
Based on the first embodiment described above, in the present embodiment, the step S20 includes:
step S201: and when the battery management system is awakened, sending a power-on instruction to the battery management system, and executing a whole vehicle power-on process when the battery management system receives the power-on instruction.
It is understood that the power-on command may be a command for controlling the battery management system to perform a power-on procedure of the entire vehicle by the entire vehicle controller.
In specific implementation, the vehicle control unit continuously outputs a high-level wake-up signal to a key wake-up port configured in the battery management system to wake up the battery management system, when the battery management system is woken up, the vehicle control unit sends a power-on command to the battery management system, and the battery management system executes a vehicle power-on process when receiving the power-on command.
Further, in order to accommodate different types of battery replacement packs for supplying power to the vehicle-mounted storage battery, the step S30 includes: and when the whole vehicle electrification process is finished, outputting an enabling signal to the DC/DC, and when the DC/DC receives the enabling signal, entering a working state to supplement electricity for the vehicle-mounted storage battery.
It will be appreciated that the enable signal may be a signal that controls the DC/DC into an operational state.
In specific implementation, the VCU detects the voltages of the main positive relay, the main negative relay and the bus end, when the main positive relay and the main negative relay are closed and the bus end has high voltage, the VCU judges that the whole vehicle power-on process is finished, and sends an enabling signal to the DC/DC, and the DC/DC receives the enabling signal, enters a working state, outputs current and executes a vehicle-mounted storage battery charging process to supplement power for the vehicle-mounted storage battery.
In this embodiment, when the battery management system is awakened, a power-on instruction is sent to the battery management system, and the battery management system executes a vehicle power-on process when receiving the power-on instruction. After the vehicle controller wakes up the battery management system, the battery management system is controlled to execute a vehicle charging process, so that the vehicle-mounted storage battery is charged through the DC/DC, and the vehicle-mounted storage battery can be charged by compatible different types of battery replacement packages while hardware and software of the battery replacement packages are not changed.
Referring to fig. 5, fig. 5 is a flowchart illustrating a third embodiment of the power supply control method according to the present invention.
Based on the foregoing embodiments, in this embodiment, after the step S30, the method further includes:
step S40: and when detecting that the battery voltage of the vehicle-mounted storage battery reaches a power supplementing cut-off voltage, controlling the DC/DC to stop supplementing power for the vehicle-mounted storage battery.
It is understood that the compensation cut-off voltage may be a voltage that is set in advance to stop charging the vehicle-mounted battery.
Step S50: when the DC/DC stops supplying power to the vehicle-mounted storage battery, controlling the battery management system to execute a whole vehicle power-off process;
step S60: and when the current process of the whole vehicle is finished, stopping outputting the awakening signal to the battery management system so as to enable the battery management system to enter a dormant state or an off-line state.
In specific implementation, when detecting that the battery voltage of the vehicle-mounted storage battery reaches the power supply cut-off voltage, the VCU stops sending the enabling signal to the DC/DC to control the DC/DC to stop outputting current to supply power to the vehicle-mounted storage battery, sends a power-off instruction to the BMS to control the BMS to execute a power-off process of the whole vehicle, and stops outputting a high-level wake-up signal to the BMS to control the BMS to enter a sleep state when the power-off process of the whole vehicle is finished.
Further, in order to reduce low voltage power consumption, after step S30, the method further includes: when detecting that the battery voltage of the vehicle-mounted storage battery reaches a power compensation cut-off voltage, sending a power compensation completion signal to the TBOX, and stopping sending the wake-up message when the TBOX receives the power compensation completion signal; and when the awakening message is not received, entering a dormant state from a working state.
In specific implementation, referring to fig. 6, fig. 6 is a schematic flow chart of power supply to the vehicle-mounted storage battery, after the key is powered off, each controller sleeps, the TBOX wakes up at regular time and detects the battery voltage of the vehicle-mounted storage battery, and determines whether the battery voltage is smaller than a voltage threshold V1, if not, the TBOX sleeps; if yes, the TBOX sends a wake-up message and a storage battery power supply instruction to the VCU, the VCU continuously outputs a high-level wake-up signal to the BMS so as to wake up the BMS, the VCU sends a power-on instruction to the BMS, the BMS executes a whole vehicle power-on process, the VCU judges whether the whole vehicle power-on process is finished, and if not, the step of sending the power-on instruction to the BMS is returned; if yes, the VCU sends an enabling signal to the DC/DC, the DC/DC output current supplements the power for the vehicle-mounted storage battery, when the VCU detects that the battery voltage of the vehicle-mounted storage battery is larger than or equal to a power supplementing cut-off voltage V2, the sending of the enabling signal to the DC/DC is stopped, the DC/DC stops outputting, the VCU sends a power-down command to the BMS, the BMS executes a power-down procedure of the whole vehicle, after the execution of the power-down procedure of the whole vehicle is finished, the VCU stops outputting a high-level wake-up signal, and after the BMS sleeps, the VCU sleeps.
In the embodiment, when the battery voltage of the vehicle-mounted storage battery is detected to reach the power supplementing cut-off voltage, the DC/DC is controlled to stop supplementing power to the vehicle-mounted storage battery; when the DC/DC stops supplying power for the vehicle-mounted storage battery, controlling the battery management system to execute a whole vehicle power-off process; and when the current process of the whole vehicle is finished, stopping outputting the awakening signal to the battery management system so as to enable the battery management system to enter a dormant state or an off-line state. The embodiment can stop charging the vehicle-mounted storage battery in time when the battery voltage of the vehicle-mounted storage battery reaches the electricity supplementing cut-off voltage, and the electricity supplementing safety of the vehicle-mounted storage battery is guaranteed.
Furthermore, an embodiment of the present invention further provides a storage medium, on which a compensation control program is stored, and the compensation control program, when executed by a processor, implements the steps of the compensation control method as described above.
Referring to fig. 7, fig. 7 is a block diagram illustrating a first embodiment of the compensation control device according to the present invention.
As shown in fig. 7, the compensation control device according to the embodiment of the present invention includes:
the high-level signal output module 10 is configured to output a high-level wake-up signal to a battery management system to wake up the battery management system when a battery power supplement instruction sent by the TBOX is received;
the control module 20 is configured to control the battery management system to execute a vehicle power-on process when the battery management system is awakened;
and the power supplement module 30 is used for supplementing power to the vehicle-mounted storage battery through DC/DC when the whole vehicle power-on process is completed.
When the vehicle control unit in the embodiment receives a storage battery power supplement instruction sent by the TBOX, a high-level wake-up signal is output to wake up the battery management system, and the battery management system is controlled to execute a vehicle power-on process, and when the vehicle power-on process is completed, the vehicle storage battery is supplemented through the DC/DC without changing hardware and software of the battery management system, and the vehicle control unit wakes up and controls the battery management system to supplement power for the vehicle storage battery, so that the function of being compatible with different types of battery packs to supplement power for the vehicle storage battery is realized, and the vehicle using experience of a user is improved.
A second embodiment of the compensation control device of the present invention is proposed based on the first embodiment of the compensation control device of the present invention.
In this embodiment, the high-level signal output module 10 is further configured to continuously output a high-level wake-up signal to a key wake-up port configured in a battery management system when receiving a battery power supplement instruction sent by a TBOX, where the battery management system is in a working state when the key wake-up port continuously receives the high-level wake-up signal.
The high-level signal output module 10 is further configured to enter a working state from a sleep state when receiving a wake-up message sent by the TBOX through the CAN network; and when the system enters a working state, receiving a storage battery power supplementing command sent by the TBOX through the CAN network.
The control module 20 is further configured to send a power-on instruction to the battery management system when the battery management system is awakened, and the battery management system executes a vehicle power-on process when receiving the power-on instruction.
The power supplement module 30 is further configured to output an enable signal to the DC/DC when the power supply process of the entire vehicle is completed, and the DC/DC enters a working state when receiving the enable signal to supplement power for the vehicle-mounted storage battery.
The power supplement module 30 is further configured to control the DC/DC to stop supplying power to the vehicle-mounted storage battery when it is detected that the battery voltage of the vehicle-mounted storage battery reaches a power supplement cut-off voltage; when the DC/DC stops supplying power for the vehicle-mounted storage battery, controlling the battery management system to execute a whole vehicle power-off process; and when the current process of the whole vehicle is finished, stopping outputting the high-level wake-up signal to the battery management system so as to enable the battery management system to enter a dormant state or an off-line state.
The power supplement module 30 is further configured to send a power supplement completion signal to the TBOX when detecting that the battery voltage of the vehicle-mounted storage battery reaches a power supplement cut-off voltage, and the TBOX stops sending the wake-up message when receiving the power supplement completion signal; and when the awakening message is not received, entering a dormant state from a working state.
Other embodiments or specific implementation manners of the compensation control device of the present invention may refer to the above method embodiments, and are not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of other like elements in a process, method, article, or system comprising the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., a rom/ram, a magnetic disk, an optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.

Claims (10)

1. An electric compensation control method is applied to a vehicle control unit, and comprises the following steps:
when a storage battery power supplement instruction sent by a TBOX is received, outputting a high-level wake-up signal to a battery management system so as to wake up the battery management system;
when the battery management system is awakened, controlling the battery management system to execute a whole vehicle power-on process;
and when the whole vehicle electrification process is finished, supplementing electricity for the vehicle-mounted storage battery through the DC/DC.
2. The method of claim 1, wherein outputting a high-level wake-up signal to a battery management system to wake up the battery management system upon receiving a battery power-up command sent by a TBOX, comprises:
when a storage battery power supplement instruction sent by the TBOX is received, a high-level wake-up signal is continuously output to a key wake-up port configured by a battery management system, and the battery management system is in a working state when the key wake-up port continuously receives the high-level wake-up signal.
3. The method of claim 1, wherein before outputting a high-level wake-up signal to a battery management system to wake up the battery management system when receiving a battery power-up command sent by a TBOX, the method further comprises:
entering a working state from a dormant state when receiving a wake-up message sent by a TBOX through a CAN network;
and when the system enters a working state, receiving a storage battery power supplement command sent by the TBOX through the CAN network.
4. The method according to any one of claims 1-3, wherein the controlling the battery management system to perform a vehicle power-on procedure when the battery management system is awakened includes:
and when the battery management system is awakened, sending a power-on instruction to the battery management system, and executing a whole vehicle power-on process when the battery management system receives the power-on instruction.
5. The method according to any one of claims 1 to 3, wherein when the whole vehicle power-on process is completed, the step of supplementing power for the vehicle-mounted storage battery through DC/DC comprises the following steps:
and when the whole vehicle electrification process is finished, outputting an enabling signal to the DC/DC, and when the DC/DC receives the enabling signal, entering a working state to supplement electricity for the vehicle-mounted storage battery.
6. The method according to any one of claims 1 to 3, wherein after the vehicle-mounted storage battery is recharged by DC/DC after the power-on process of the entire vehicle is completed, the method further comprises:
when the battery voltage of the vehicle-mounted storage battery reaches a power supplementing cut-off voltage, controlling the DC/DC to stop supplementing power for the vehicle-mounted storage battery;
when the DC/DC stops supplying power for the vehicle-mounted storage battery, controlling the battery management system to execute a whole vehicle power-off process;
and when the current process of the whole vehicle is finished, stopping outputting the high-level wake-up signal to the battery management system so as to enable the battery management system to enter a dormant state or an off-line state.
7. The method of claim 3, wherein after the complete vehicle power-on process is completed and the vehicle-mounted storage battery is supplied with power through DC/DC, the method further comprises:
when the battery voltage of the vehicle-mounted storage battery reaches the power supply cut-off voltage, sending a power supply completion signal to the TBOX, and stopping sending the wake-up message when the TBOX receives the power supply completion signal;
and when the awakening message is not received, entering a dormant state from a working state.
8. An electrical supplementary control device, characterized in that it comprises:
the high-level signal output module is used for outputting a high-level wake-up signal to a battery management system to wake up the battery management system when receiving a storage battery power supplement instruction sent by the TBOX;
the control module is used for controlling the battery management system to execute a whole vehicle power-on process when the battery management system is awakened;
and the power supply module is used for supplying power to the vehicle-mounted storage battery through the DC/DC when the whole vehicle power-on process is finished.
9. A complementary control device, characterized in that it comprises: a memory, a processor, and a supply control program stored on the memory and executable on the processor, the supply control program being configured to implement the steps of the supply control method according to any one of claims 1 to 7.
10. A storage medium, characterized in that the storage medium has stored thereon a supplementary control program which, when executed by a processor, implements the steps of the supplementary control method according to any one of claims 1 to 7.
CN202211643444.8A 2022-12-20 2022-12-20 Power supplement control method, device, equipment and storage medium Pending CN115891861A (en)

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PCT/CN2023/124566 WO2024131226A1 (en) 2022-12-20 2023-10-13 Charging control method, apparatus and device, and storage medium

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024131226A1 (en) * 2022-12-20 2024-06-27 浙江吉利控股集团有限公司 Charging control method, apparatus and device, and storage medium

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KR101491366B1 (en) * 2013-12-10 2015-02-06 현대자동차주식회사 Apparatus and method for managing a battery of the vehicle
CN111376721A (en) * 2018-12-28 2020-07-07 观致汽车有限公司 Electric vehicle storage battery power supplementing method and system based on alarm clock mode
CN112224022A (en) * 2020-09-09 2021-01-15 东风汽车集团有限公司 Storage battery power supplementing method and system and readable storage medium
CN112918322A (en) * 2021-03-18 2021-06-08 阿尔特汽车技术股份有限公司 Charging method and system for low-voltage storage battery of new energy automobile
CN114851866A (en) * 2022-05-16 2022-08-05 合创汽车科技有限公司 Storage battery power supplementing method and device, vehicle control unit and storage medium
CN115891861A (en) * 2022-12-20 2023-04-04 浙江吉利控股集团有限公司 Power supplement control method, device, equipment and storage medium

Cited By (1)

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WO2024131226A1 (en) * 2022-12-20 2024-06-27 浙江吉利控股集团有限公司 Charging control method, apparatus and device, and storage medium

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