CN-122008923-A - Liquid cooling device operation control method of charging pile, electronic equipment and storage medium

CN122008923ACN 122008923 ACN122008923 ACN 122008923ACN-122008923-A

Abstract

The invention relates to the technical field of electric automobile charging, in particular to a liquid cooling device operation control method, electronic equipment and a storage medium of a charging pile, wherein the real-time charging condition of the charging pile is determined by identifying charging cooperation application scenes of a first charging gun and a second charging gun, and further based on the current charging cooperation application scenes and the charging power and the charging temperature of the first charging gun and the second charging gun under the charging cooperation application scenes, the open-close states of the first control valve, the second control valve and the third control valve are adaptively controlled to effectively and reliably selectively open the corresponding liquid cooling pump, so that the use flexibility of the liquid cooling device is increased, the power consumption of the liquid cooling device is reduced, and under the condition of opening the corresponding liquid cooling pump, the real-time rotating speed of the corresponding liquid cooling pump can be adaptively adjusted according to the monitored real-time liquid cooling oil temperature of the liquid cooling device, thereby not only meeting the heat dissipation requirement of the liquid cooling device, but also being beneficial to reducing the system loss of the liquid cooling device.

Inventors

HUANG XIAOYING
FU LI
HOU NING
LI ENHU
TIAN ZHIQIANG

Assignees

绿能慧充数字技术有限公司

Dates

Publication Date: 20260512
Application Date: 20260214

Claims (10)

1. The operation control method of the liquid cooling device of the charging pile is characterized in that the charging pile is provided with a first charging gun and a second charging gun, the liquid cooling device comprises a first liquid cooling pump, a second liquid cooling pump, a first control valve, a second control valve and a third control valve, the first liquid cooling pump is connected with the first charging gun through the second control valve, the second liquid cooling pump is connected with the second charging gun through the third control valve, and the first liquid cooling pump is connected with the second liquid cooling pump through the first control valve, and the method comprises the following steps: Step S1, under the condition that a charging coordination application scene of the first charging gun and the second charging gun is identified, controlling the opening and closing states of the first control valve, the second control valve and the third control valve according to the obtained charging power and temperature of the first charging gun and the second charging gun in the charging coordination application scene in combination with the charging coordination application scene so as to start the first liquid cooling pump or/and the second liquid cooling pump; and step S2, adjusting the real-time rotating speed of the first liquid cooling pump or/and the second liquid cooling pump according to the monitored real-time liquid cooling oil temperature of the liquid cooling device.
2. The method for controlling operation of the liquid cooling device of the charging pile according to claim 1, wherein when the charging coordination application scenario is that the first charging gun and the second charging gun charge an electric automobile at the same time, the step S1 includes the following steps: Step S11, when the charging power of the first charging gun and the charging power of the second charging gun in the charging cooperation application scene are monitored to meet a preset first opening condition, the temperature of the first charging gun and the charging power of the second charging gun respectively meet a preset second opening condition, the first control valve is maintained to be in an open state, the second control valve and the third control valve are closed, and the first liquid cooling pump and the second liquid cooling pump are started; Step S12, when the fact that the charging power of the first charging gun and the charging power of the second charging gun in the charging cooperation application scene do not meet a preset first opening condition are monitored, the temperature of the first charging gun in the charging cooperation application scene meets a preset second opening condition, the third control valve is maintained to be in an open state, and the second control valve is closed; Step S13, when the fact that the charging power of the second charging gun in the charging matching application scene does not meet a preset first opening condition and the temperature of the second charging gun does not meet a preset second opening condition is monitored, the temperature of the first charging gun in the charging matching application scene is in an ascending trend, the first liquid cooling pump is in a full power running state, the third control valve is maintained to be in an opening state, and the first control valve is closed.
3. The method for controlling operation of the liquid cooling device of the charging pile according to claim 1, wherein when the charging coordination application scenario is that the first charging gun and the second charging gun respectively charge different electric vehicles, the step S1 includes the following steps: Step S14, when the first charging gun and the second charging gun are monitored to not meet a preset first opening condition and a preset second opening condition in the charging cooperation application scene, maintaining the first control valve, the second control valve and the third control valve in a disconnection state; Step S15, when the fact that the charging power of the first charging gun in the charging matching application scene meets a preset first opening condition or the temperature meets a preset second opening condition is monitored, the charging power of the second charging gun in the charging matching application scene does not meet the preset first opening condition, the temperature does not meet the preset second opening condition, the first control valve and the third control valve are maintained to be in an open state, the second control valve is closed, and the first liquid cooling pump is started; Or alternatively When the fact that the charging power of the second charging gun in the charging matching application scene meets a preset first opening condition or the temperature meets a preset second opening condition is monitored, the charging power of the first charging gun in the charging matching application scene does not meet the preset first opening condition, the temperature does not meet the preset second opening condition, the first control valve and the second control valve are maintained to be in an open state, the third control valve is closed, and the second liquid cooling pump is started; And S16, when the first charging gun and the second charging gun are monitored to meet the preset first opening condition or the preset second opening condition in the charging cooperation application scene, maintaining the first control valve in an open state, and closing the second control valve and the third control valve.
4. The method for controlling operation of the liquid cooling device of the charging pile according to claim 1, wherein when the charging coordination application scenario is that the first charging gun charges an electric vehicle and the second charging gun is not charged, the step S1 includes the following steps: Step S17, when the fact that the charging power of the first charging gun in the charging cooperation application scene does not meet a preset first opening condition and the temperature does not meet a preset second opening condition is monitored, the first control valve, the second control valve and the third control valve are maintained to be in a disconnected state; Step S18, when the charging power of the first charging gun in the charging cooperation application scene is monitored to meet a preset first opening condition or the temperature of the first charging gun meets a preset second opening condition, the reduction amplitude of the liquid cooling oil temperature of the liquid cooling device does not meet a preset cooling condition, the first control valve and the third control valve are maintained to be in an open state, the second control valve is closed, and the first liquid cooling pump is started; And step S19, when the first liquid cooling pump is monitored to not meet the preset cooling condition for the reduction range of the liquid cooling oil temperature, maintaining the third control valve in an open state, and closing the first control valve.
5. The method for controlling the operation of the liquid cooling device of the charging pile according to claim 1, wherein the step S2 comprises the steps of: Step S21, for the monitored real-time liquid cooling oil temperature of each moment of the liquid cooling device, acquiring an absolute value of a deviation value of the real-time liquid cooling oil temperature relative to a preset target oil temperature threshold, wherein the target oil temperature thresholds corresponding to the real-time liquid cooling oil temperatures at different moments are different; and S22, adjusting the real-time rotating speed of the first liquid cooling pump or/and the second liquid cooling pump at the current moment by adopting a PID control algorithm and combining the absolute value magnitude relation of the deviation values at the previous moment and the current moment.
6. The method for controlling operation of a liquid cooling device for a charging pile according to claim 5, wherein the step S22 is implemented by adopting the following formula: ; Wherein, the For the real-time rotating speed of the first liquid cooling pump or/and the second liquid cooling pump at the current moment, For the real-time rotation speed of the first liquid cooling pump or/and the second liquid cooling pump at the previous moment, For the preset integration coefficient to be set, For the preset differential coefficient(s), Is the deviation value of the real-time liquid cooling oil temperature at the current moment relative to the corresponding target oil temperature threshold value, And the deviation value of the real-time liquid cooling oil temperature at the last moment relative to the corresponding target oil temperature threshold value.
7. The method for controlling the operation of the liquid cooling device of the charging pile according to claim 1, further comprising the steps of, after the step S1: Step S3, determining a target heat dissipation mode for the real-time liquid cooling oil temperature according to the magnitude relation between the monitored real-time liquid cooling oil temperature of the liquid cooling device and a preset first oil temperature threshold value and a preset second oil temperature threshold value, wherein the first oil temperature threshold value is smaller than the second oil temperature threshold value; and S4, adopting the target heat dissipation mode to cool the real-time liquid cooling oil temperature until the real-time output of the charging pile is monitored to support the charging power of the currently-charging electric automobile.
8. The method for controlling operation of a liquid cooling device for a charging pile according to claim 7, wherein the target heat dissipation means comprises at least two of: natural air cooling and heat dissipation; Radiating by a fan; and (5) water cooling and heat dissipation.
9. An electronic device, comprising: At least one processor; at least one memory for storing at least one program; a liquid cooling apparatus operation control method of a charging pile according to any one of claims 1 to 8, when at least one of the programs is executed by at least one of the processors.
10. A computer-readable storage medium in which a program executable by a processor is stored, the program executable by the processor being for implementing the liquid cooling apparatus operation control method of the charging pile according to any one of claims 1 to 8.

Description

Liquid cooling device operation control method of charging pile, electronic equipment and storage medium Technical Field The invention relates to the technical field of electric automobile charging, in particular to a liquid cooling device operation control method of a charging pile, electronic equipment and a computer readable storage medium. Background With the continuous development and updating of new energy automobiles, the charging pile is also catered for an unprecedented development opportunity as a basic matching product. With the gradual increase in battery capacity of electric vehicles, the charging current and charging efficiency requirements of users for the charging post are also gradually increased. Most of liquid cooling devices of charging piles in the current market are one liquid cooling device for one gun or one liquid cooling device for two guns, and only one gun is started for charging, the liquid cooling devices are started, so that the flexibility of the liquid cooling devices is reduced, and meanwhile, the system loss is increased. Disclosure of Invention The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the invention provides the liquid cooling device operation control method of the charging pile, the electronic equipment and the storage medium, which can increase the use flexibility of the liquid cooling device and reduce the power consumption of the liquid cooling device. In a first aspect, an embodiment of the present invention provides a method for controlling operation of a liquid cooling device of a charging pile, where the charging pile is configured with a first charging gun and a second charging gun, the liquid cooling device includes a first liquid cooling pump, a second liquid cooling pump, a first control valve, a second control valve, and a third control valve, the first liquid cooling pump is connected to the first charging gun through the second control valve, the second liquid cooling pump is connected to the second charging gun through the third control valve, and the first liquid cooling pump is connected to the second liquid cooling pump through the first control valve, where the method includes the following steps: Step S1, under the condition that a charging coordination application scene of the first charging gun and the second charging gun is identified, controlling the opening and closing states of the first control valve, the second control valve and the third control valve according to the obtained charging power and temperature of the first charging gun and the second charging gun in the charging coordination application scene in combination with the charging coordination application scene so as to start the first liquid cooling pump or/and the second liquid cooling pump; and step S2, adjusting the real-time rotating speed of the first liquid cooling pump or/and the second liquid cooling pump according to the monitored real-time liquid cooling oil temperature of the liquid cooling device. Optionally, in one embodiment of the present invention, when the application scenario of the charging coordination is that the first charging gun and the second charging gun charge an electric automobile at the same time, the step S1 includes the following steps: Step S11, when the charging power of the first charging gun and the charging power of the second charging gun in the charging cooperation application scene are monitored to meet a preset first opening condition, the temperature of the first charging gun and the charging power of the second charging gun respectively meet a preset second opening condition, the first control valve is maintained to be in an open state, the second control valve and the third control valve are closed, and the first liquid cooling pump and the second liquid cooling pump are started; Step S12, when the fact that the charging power of the first charging gun and the charging power of the second charging gun in the charging cooperation application scene do not meet a preset first opening condition are monitored, the temperature of the first charging gun in the charging cooperation application scene meets a preset second opening condition, the third control valve is maintained to be in an open state, and the second control valve is closed; Step S13, when the fact that the charging power of the second charging gun in the charging matching application scene does not meet a preset first opening condition and the temperature of the second charging gun does not meet a preset second opening condition is monitored, the temperature of the first charging gun in the charging matching application scene is in an ascending trend, the first liquid cooling pump is in a full power running state, the third control valve is maintained to be in an opening state, and the first control valve is closed. Optionally, in an embodiment of the present invention, when the application scenario of th