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CN-122008946-A - Battery charging control method, device, equipment, medium, product and vehicle

CN122008946ACN 122008946 ACN122008946 ACN 122008946ACN-122008946-A

Abstract

The application provides a battery charging control method, a device, equipment, a medium, a product and a vehicle, wherein the method comprises the steps of obtaining first power consumption corresponding to N sections of driving conditions of the vehicle; the method comprises the steps of correcting first electricity consumption based on a driving electricity consumption duty ratio of a vehicle to obtain second electricity consumption, wherein the second electricity consumption is used for representing equivalent electricity consumption corresponding to the first electricity consumption under the condition that the driving electricity consumption duty ratio is 100%, determining full-electricity mileage of the vehicle based on second electricity consumption corresponding to each driving working condition of the vehicle and battery pack electric quantity of the vehicle, determining equivalent pure electric mileage based on historical accumulated electric quantity of the vehicle, battery pack electric quantity and full-electricity mileage, and starting a full-time strategy to charge a battery of the vehicle under the condition that the equivalent pure electric mileage meets preset full-time conditions. The accuracy of full-power mileage and equivalent pure electric mileage is improved, the start of the long-and-short-term strategy is more reasonable, the effect of battery charging protection is improved, and the service life of the battery is prolonged.

Inventors

  • NI MING

Assignees

  • 上海洛轲智能科技有限公司

Dates

Publication Date
20260512
Application Date
20260212

Claims (11)

  1. 1. A battery charge control method, characterized by comprising: acquiring first power consumption corresponding to N sections of driving conditions of a vehicle, wherein N is an integer greater than 1; Correcting the first power consumption based on the driving power consumption duty ratio of the vehicle to obtain second power consumption, wherein the second power consumption is used for representing equivalent power consumption corresponding to the first power consumption under the condition that the driving power consumption duty ratio is 100%; Determining the full-power mileage of the vehicle based on the second power consumption corresponding to each driving condition of the vehicle and the battery pack capacity of the vehicle; Determining an equivalent pure electric driving mileage based on the historical accumulated electric quantity of the vehicle, the battery pack electric quantity and the full electric mileage; and under the condition that the equivalent pure electric driving mileage meets the preset Rong-and-rest condition, starting a Rong-and-rest strategy to charge the battery of the vehicle.
  2. 2. The method of claim 1, wherein the determining the full range of the vehicle based on the second power consumption of the vehicle corresponding to each driving condition and the battery pack capacity of the vehicle comprises: determining average power consumption of the vehicle based on second power consumption corresponding to each driving condition of the vehicle; and determining the full range of the vehicle based on the battery pack capacity of the vehicle and the average power consumption.
  3. 3. The method of claim 1, wherein the obtaining the first electricity consumption corresponding to the N driving conditions of the vehicle includes: Acquiring a first pure electric driving mileage and a first historical accumulated electric quantity at a first driving condition starting moment, and a second pure electric driving mileage and a second historical accumulated electric quantity at a first driving condition ending moment, wherein the first driving condition is any one of the N driving conditions; And determining the first power consumption corresponding to the first driving working condition based on the first pure electric driving mileage, the first historical accumulated electric quantity, the second pure electric driving mileage and the second historical accumulated electric quantity.
  4. 4. The method of claim 1, wherein the first electricity consumption is corrected based on a driving electricity consumption ratio of the vehicle, and before the second electricity consumption is obtained, the method further comprises: Acquiring bus current and bus voltage of a motor corresponding to the N sections of driving conditions; determining historical accumulated driving power consumption based on the bus current and the bus voltage of the motor corresponding to the N sections of driving conditions; And determining the driving electricity consumption duty ratio of the vehicle based on the historical accumulated driving electricity consumption and the historical accumulated total electricity consumption of the vehicle.
  5. 5. The method of claim 4, wherein the initiating a rong-fu strategy to charge the battery of the vehicle if the equivalent pure electric range satisfies a preset rong-fu condition comprises: and under the condition that the maximum value of the equivalent pure electric mileage and the pure electric mileage signal of the vehicle is greater than or equal to a mileage threshold value, starting a long and short-term strategy to charge the battery of the vehicle.
  6. 6. The method of any one of claims 1 to 5, wherein the rong strategy comprises at least one of: Reducing a maximum charging power limit; reducing a maximum charging current limit; reducing a maximum charge capacity limit; The limit range of the charging temperature is narrowed.
  7. 7. A battery charge control device, characterized by comprising: The system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring first power consumption corresponding to N sections of driving conditions of a vehicle, wherein N is an integer greater than 1; the correction module is used for correcting the first power consumption based on the driving power consumption duty ratio of the vehicle to obtain second power consumption, wherein the second power consumption is used for representing equivalent power consumption corresponding to the first power consumption under the condition that the driving power consumption duty ratio is 100%; the first determining module is used for determining the full-power mileage of the vehicle based on the second power consumption corresponding to each driving condition of the vehicle and the battery pack capacity of the vehicle; The second determining module is used for determining an equivalent pure electric driving mileage based on the historical accumulated electric quantity of the vehicle, the battery pack electric quantity and the full electric mileage; and the control module is used for starting a Ronghu strategy to charge the battery of the vehicle under the condition that the equivalent pure electric driving mileage meets the preset Ronghu condition.
  8. 8. An electronic device comprising a processor and a memory storing a program or instructions; the processor, when executing the program or instructions, implements the method of any one of claims 1-6.
  9. 9. A machine-readable storage medium having stored thereon a program or instructions which, when executed by a processor, implement the method of any of claims 1-6.
  10. 10. A computer program product, characterized in that instructions in the computer program product, when executed by a processor of an electronic device, cause the electronic device to perform the method of any of claims 1-6.
  11. 11. A vehicle characterized in that the vehicle includes a battery charge control device; the battery charge control device is configured to perform the method of any one of claims 1-6.

Description

Battery charging control method, device, equipment, medium, product and vehicle Technical Field The application belongs to the technical field of intelligent vehicles, and particularly relates to a battery charging control method, a device, equipment, a medium, a product and a vehicle. Background With the popularization of new energy automobiles, battery charging control technology has become a key to ensuring vehicle performance and prolonging battery life. The core of the long-and-short strategy is to charge and protect the battery, and aims to prolong the service life of the battery by optimizing the charge and discharge strategy after the battery reaches a certain life cycle, so as to ensure the safety and reliability of the vehicle. At present, a battery charging control method of a new energy automobile generally carries out charging decision based on simple battery electric quantity or preset mileage estimation, and dynamic changes of actual driving conditions, such as influences of different road conditions, driving habits and vehicle loads on power consumption, are often ignored, so that the starting of a long-and-short-term strategy is unreasonable, and the effect of battery charging protection is poor. Disclosure of Invention The embodiment of the application provides a battery charging control method, a device, equipment, a medium, a product and a vehicle, which can integrate the use history of the vehicle, eliminate the interference of auxiliary energy consumption, enable the electricity consumption calculation to be closer to the driving reality, further improve the accuracy of full-power mileage and equivalent pure electric mileage, enable the starting of a long-and-short-term strategy to be more reasonable, improve the effect of battery charging protection and help to prolong the service life of the battery. In a first aspect, an embodiment of the present application provides a battery charging control method, including: acquiring first power consumption corresponding to N sections of driving conditions of a vehicle, wherein N is an integer greater than 1; correcting the first power consumption based on the driving power consumption duty ratio of the vehicle to obtain second power consumption, wherein the second power consumption is used for representing equivalent power consumption corresponding to the first power consumption under the condition that the driving power consumption duty ratio is 100%; Determining the full-power mileage of the vehicle based on the second power consumption corresponding to each driving condition of the vehicle and the battery pack capacity of the vehicle; determining an equivalent pure electric driving mileage based on the historical accumulated electric quantity of the vehicle, the battery pack electric quantity and the full electric mileage; and under the condition that the equivalent pure electric driving mileage meets the preset Rong-and-rest condition, starting the Rong-and-rest strategy to charge the battery of the vehicle. In a second aspect, an embodiment of the present application provides a battery charging control device, including: The system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring first power consumption corresponding to N sections of driving conditions of a vehicle, wherein N is an integer greater than 1; The correction module is used for correcting the first power consumption based on the driving power consumption duty ratio of the vehicle to obtain second power consumption, wherein the second power consumption is used for representing equivalent power consumption corresponding to the first power consumption under the condition that the driving power consumption duty ratio is 100%; the first determining module is used for determining the full-power mileage of the vehicle based on the second power consumption corresponding to each driving condition of the vehicle and the battery pack capacity of the vehicle; The second determining module is used for determining the equivalent pure electric driving mileage based on the historical accumulated electric quantity of the vehicle, the battery pack electric quantity and the full electric mileage; and the control module is used for starting the Rong-and-damping strategy to charge the battery of the vehicle under the condition that the equivalent pure electric driving mileage meets the preset Rong-and-damping condition. In a third aspect, an embodiment of the present application provides a battery charge control apparatus, including: a processor and a memory storing a program or instructions; the above-described methods are implemented when the processor executes a program or instruction. In a fourth aspect, embodiments of the present application provide a machine-readable storage medium having stored thereon a program or instructions which when executed by a processor perform the above-described method. In a fifth aspect,