CN-122008937-A - Control method and device for vehicle boost charging, electronic equipment and storage medium

Abstract

The application discloses a control method, a device, electronic equipment and a storage medium for boosting and charging of a vehicle, which relate to the technical field of vehicle detection and comprise the following steps: when the vehicle is subjected to boost charging, determining a device type for limiting the vehicle to perform boost charging based on the first electrical parameter output by the charging pile, the second electrical parameter input by the boost module and the charging demand parameter of the power battery; aiming at any device type, determining target charging request voltage output by a charging pile based on a limiting electrical parameter corresponding to the device and a preset boosting efficiency mapping table, wherein the target charging request voltage is used for representing the voltage actually output by the charging pile, and inputting the target charging request voltage into a boosting module so as to enable the boosting module to finish boosting and charging of a power battery.

Inventors

• YE WEI
• Chen Dingshu

Assignees

• 岚图汽车科技股份有限公司

Dates

Publication Date

20260512

Application Date

20260309

Claims (10)

1. 1. A control method for boost charging of a vehicle, applied to a vehicle comprising a boost module, characterized in that an input end of the boost module is connected with a charging post during charging of the vehicle, and an output end of the boost module is connected with a power battery in the vehicle, the control method for boost charging of the vehicle comprising: When the vehicle is subjected to boost charging, determining a device type for limiting the vehicle to perform boost charging based on the first electrical parameter output by the charging pile, the second electrical parameter input by the boost module and the charging demand parameter of the power battery; for any device type, determining a target charging request voltage output by the charging pile based on a limiting electrical parameter corresponding to the device and a preset boosting efficiency mapping table, wherein the target charging request voltage is used for representing the voltage actually output by the charging pile; and inputting the target charging request voltage to the boosting module so that the boosting module can finish boosting charging of the power battery.
2. 2. The control method of boost charging of a vehicle according to claim 1, wherein the determining a device type that restricts the boost charging of the vehicle based on the first electrical parameter output by the charging pile, the second electrical parameter input by the boost module, and the charge demand parameter of the power battery includes: Determining a first output power in the first electrical parameter, a second input power in the second electrical parameter, and a charging power in the charging demand parameter; Determining a minimum value among the first output power, the second input power, and the charging power as a limit charging power that limits the vehicle from performing boost charging; When the limited charging power is the first output power, determining the type of a device limiting the vehicle to perform boost charging as the charging pile; when the limited charging power is the second input power, determining the type of a device limiting the vehicle to perform boost charging as the boost module; and when the limited charging power is the charging power, determining the type of a device for limiting the vehicle to perform boost charging as the power battery.
3. 3. The method for controlling boost charging of a vehicle according to claim 2, wherein the first electrical parameter includes a rated voltage of a charging pile, the limiting electrical parameter includes limiting charging power, and determining the target charging request voltage output by the charging pile based on the limiting electrical parameter corresponding to the device and a preset boost efficiency map includes: When the device type is the charging pile, determining that the limited charging power corresponding to the charging pile is the first output power; Determining a first voltage value of the boosting module under the maximum boosting efficiency from the preset boosting efficiency mapping table based on the rated voltage of the charging pile, the first output power and the current voltage of the power battery in the charging demand parameter, wherein the preset boosting efficiency mapping table is used for representing the boosting efficiency of the boosting module under the combination of different powers, different current voltages and different charging request voltages; And determining the first voltage value as a target charging request voltage output by the charging pile.
4. 4. The method for controlling boost charging of a vehicle according to claim 2, wherein the limiting the electrical parameter includes limiting charging power, the first electrical parameter further includes limiting a current by a charging post, and determining the target charging request voltage output by the charging post based on the limiting electrical parameter corresponding to the device and a preset boost efficiency map includes: when the device type is the boosting module, determining that the limited charging power of the boosting module is the second input power; Determining a first lower limit voltage of the boost module based on the second input power and the charging pile limit current; Determining a second voltage value of the boosting module under the maximum boosting efficiency from the preset boosting efficiency mapping table based on the first lower limit voltage, the second input power and the current voltage of the power battery in the charging demand parameters; And determining the second voltage value as a target charging request voltage output by the charging pile.
5. 5. The control method of boost charging of a vehicle according to claim 4, wherein the determining a first lower limit voltage of the boost module based on the second input power and the charging pile limiting current comprises: and determining the ratio of the second input power to the limit current of the charging pile as a first lower limit voltage of the boosting module.
6. 6. The method for controlling boost charging of a vehicle according to claim 2, wherein the limiting the electrical parameter includes limiting charging power, the first electrical parameter further includes limiting a current by a charging post, and determining the target charging request voltage output by the charging post based on the limiting electrical parameter corresponding to the device and a preset boost efficiency map includes: determining the limited charging power of the power battery as the third output power when the device type is the power battery; determining a second lower limit voltage of the boost module based on the third output power, an initial preset boost efficiency of the boost module, and the charging pile limit current; Determining a third voltage value of the boosting module under the maximum boosting efficiency from the preset boosting efficiency mapping table based on the second lower limit voltage, the third output power and the current voltage of the power battery in the charging demand parameters; and determining the third voltage value as a target charging request voltage output by the charging pile.
7. 7. The method of claim 6, wherein the determining the second lower limit voltage of the boost module based on the third output power, the initial preset boost efficiency of the boost module, and the charging pile limit current comprises: determining the ratio of the third output power to the initial preset boosting efficiency as a third actual output power; And determining the ratio of the third actual output power to the limit current of the charging pile as a second lower limit voltage of the boosting module.
8. 8. The control method of boost charging of a vehicle according to claim 1, characterized in that before the target charge request voltage is input to the boost module, the method further comprises: Obtaining the maximum output voltage of the charging pile and the maximum input voltage of the boosting module; and correcting the target charging request voltage based on the minimum value of the maximum output voltage and the maximum input voltage.
9. 9. A control device for boosting and charging a vehicle, the control device being configured in a vehicle including a boosting module, characterized in that an input end of the boosting module is connected with a charging post when the vehicle is charged, an output end of the boosting module is connected with a power battery in the vehicle, the control device for boosting and charging the vehicle comprises: The first determining module is used for determining the type of a device for limiting the vehicle to perform boost charging based on the first electrical parameter output by the charging pile, the second electrical parameter input by the boost module and the charging demand parameter of the power battery when the vehicle performs boost charging; the second determining module is used for determining target charging request voltage output by the charging pile based on the limiting electrical parameter corresponding to the device and a preset boosting efficiency mapping table aiming at any device type, wherein the target charging request voltage is used for representing the voltage actually output by the charging pile; And the input module is used for inputting the target charging request voltage into the boosting module so that the boosting module can finish boosting and charging the power battery.
10. 10. An electronic device comprising a processor, a memory and a bus, the memory storing machine-readable instructions executable by the processor, the processor in communication with the memory via the bus when the electronic device is in operation, the machine-readable instructions being executable by the processor to perform the steps of the method of controlling boost charging of a vehicle as claimed in any one of claims 1 to 8.

Description

Control method and device for vehicle boost charging, electronic equipment and storage medium Technical Field The present application relates to the field of vehicle detection technologies, and in particular, to a method and apparatus for controlling boost charging of a vehicle, an electronic device, and a storage medium. Background At present, along with the development of society and the progress of science and technology, more and more users begin to use new energy automobiles to walk instead of walk, and charging piles adaptive to the new energy automobiles also begin to become more and more, but along with the popularization of vehicles with 800V voltage platforms of electric automobiles, the maximum voltage of about half of charging piles on the market is 750V and below, and further, a boosting module is required to be added when the vehicle voltage is greater than the maximum voltage of the charging piles, so that the charging pile voltage is increased to the vehicle voltage to meet the charging requirement. However, the improvement of the efficiency of the operation itself of boosting the voltage of the charging pile in the market is not considered, and the improvement of the charging power and efficiency of the overall charging of the vehicle under different actual charging scenes and different device input and output working conditions is not considered, so that the charging efficiency is affected, and the waste of charging time and charging cost is caused. Disclosure of Invention The embodiment of the application provides a control method, a device, electronic equipment and a storage medium for boosting and charging of a vehicle, which solve the technical problems that in the prior art, the charging power and efficiency of the whole charging of the vehicle are improved due to the fact that the charging efficiency is affected and the waste of charging time and charging cost is caused by different device input and output working conditions under different actual charging scenes are not considered. In a first aspect of the embodiments of the present application, an embodiment of the present application provides a control method for boosting and charging a vehicle, which is applied to a vehicle including a boosting module, an input end of the boosting module is connected to a charging post when the vehicle is charged, and an output end of the boosting module is connected to a power battery in the vehicle, and the control method for boosting and charging the vehicle includes: When the vehicle is subjected to boost charging, determining a device type for limiting the vehicle to perform boost charging based on the first electrical parameter output by the charging pile, the second electrical parameter input by the boost module and the charging demand parameter of the power battery; for any device type, determining a target charging request voltage output by the charging pile based on a limiting electrical parameter corresponding to the device and a preset boosting efficiency mapping table, wherein the target charging request voltage is used for representing the voltage actually output by the charging pile; and inputting the target charging request voltage to the boosting module so that the boosting module can finish boosting charging of the power battery. In a possible implementation manner, the determining the device type for limiting the vehicle to perform boost charging based on the first electrical parameter output by the charging pile, the second electrical parameter input by the boost module, and the charging demand parameter of the power battery includes: Determining a first output power in the first electrical parameter, a second input power in the second electrical parameter, and a charging power in the charging demand parameter; Determining a minimum value among the first output power, the second input power, and the charging power as a limit charging power that limits the vehicle from performing boost charging; When the limited charging power is the first output power, determining the type of a device limiting the vehicle to perform boost charging as the charging pile; when the limited charging power is the second input power, determining the type of a device limiting the vehicle to perform boost charging as the boost module; and when the limited charging power is the charging power, determining the type of a device for limiting the vehicle to perform boost charging as the power battery. In a possible implementation manner, the first electrical parameter includes a rated voltage of the charging pile, the limiting electrical parameter includes limiting charging power, and determining, based on the limiting electrical parameter corresponding to the device and a preset boost efficiency mapping table, a target charging request voltage output by the charging pile includes: When the device type is the charging pile, determining that the limited charging power corresponding to the charging pile is th