CN-121971007-A - Cleaning device and battery temperature control method thereof

CN121971007ACN 121971007 ACN121971007 ACN 121971007ACN-121971007-A

Abstract

The application relates to the technical field of cleaning equipment, in particular to cleaning equipment and a battery temperature control method thereof, and aims to solve the problem of how to prevent overheating of a battery of the cleaning equipment and improve safety. The method comprises the steps of obtaining the battery temperature when the cleaning equipment executes a cleaning task, suspending execution of the cleaning task and returning to a base station to enter a first cooling mode in response to the battery temperature being larger than a first temperature threshold value, and selectively exiting the first cooling mode based on a judgment result of whether an exit condition of the first cooling mode is met. According to the method, the battery can be effectively prevented from overheating when the cleaning device executes the cleaning task, and the safety of the battery and the cleaning device is ensured.

Inventors

LI ZHULING
SHI YALAN
WU ZEXIAO

Assignees

深圳市杉川机器人有限公司

Dates

Publication Date: 20260505
Application Date: 20251225

Claims (10)

1. A battery temperature control method of a cleaning apparatus, the method comprising: Acquiring the battery temperature when the cleaning equipment executes a cleaning task; In response to the battery temperature being greater than a first temperature threshold, suspending execution of the cleaning task and returning to the base station to enter a first cooling mode; And selectively exiting the first cooling mode based on a determination result of whether an exit condition of the first cooling mode is satisfied.
2. The method of claim 1, wherein selectively exiting the first cooling mode based on a determination of whether an exit condition of the first cooling mode is satisfied comprises: acquiring cooling duration and cooling rate in the first cooling mode; Judging whether the cooling rate meets a preset rate condition or not; if the cooling rate meets the preset rate condition, exiting the first cooling mode; And if the cooling rate does not meet the preset rate condition but the cooling duration meets the preset duration condition, exiting the first cooling mode.
3. The method of claim 2, wherein the cool down rate is an average of a plurality of sampling periods in the first cool down mode.
4. The method of claim 2, wherein prior to said determining whether the cooling rate meets a preset rate condition, the method further comprises: determining whether a battery temperature is less than a second temperature threshold, wherein the second temperature threshold is less than the first temperature threshold, and the determining whether the cooling rate satisfies a preset rate condition is performed only when the battery temperature is less than a second temperature threshold.
5. The method of claim 4, wherein prior to said determining whether said cooling rate meets a preset rate condition, said method further comprises: Calculating the electric quantity required to be charged based on the remaining area to be cleaned of the cleaning task before returning to a base station in response to the battery temperature being less than the second temperature threshold; and charging the battery based on the amount of charge required.
6. The method of claim 5, wherein charging the battery based on the amount of charge required comprises: judging whether the current battery electric quantity is larger than or equal to the electric quantity required to be charged; And if the current battery electric quantity is larger than or equal to the electric quantity required to be charged, the vehicle is discharged again to continue to execute the cleaning task, otherwise, the vehicle is continuously charged.
7. The method of claim 1, further comprising continuing to perform the cleaning task after the exiting the first cooling mode.
8. The method according to claim 1, wherein the method further comprises: acquiring the battery temperature of the cleaning equipment when the cleaning equipment is charged in the base station; responsive to the battery temperature being greater than or equal to a second temperature threshold, entering a second cooling mode, wherein the second temperature threshold is less than the first temperature threshold; and selectively exiting the second cooling mode based on a determination result of whether an exit condition of the second cooling mode is satisfied.
9. The method of claim 8, wherein upon entering the second cooling mode, the method further comprises suspending charging the battery to obtain a current temperature of the battery, and suspending the drying process if it is detected that the cleaning device is also being dried in a base station; The selectively exiting the second cooling mode based on a determination of whether an exit condition of the second cooling mode is satisfied, includes: and responding to the battery temperature being smaller than the second temperature threshold again, exiting the second cooling mode, continuing to charge the battery and resuming the drying treatment.
10. A cleaning apparatus, characterized in that the cleaning apparatus is provided with a battery, the cleaning apparatus further comprising: at least one processor, and A memory communicatively coupled to the at least one processor; Wherein the memory has stored therein a computer program which, when executed by the at least one processor, implements the battery temperature control method of the cleaning device of any one of claims 1 to 9.

Description

Cleaning device and battery temperature control method thereof Technical Field The application relates to the technical field of cleaning equipment, and particularly provides cleaning equipment and a battery temperature control method thereof. Background The cleaning device may include a sweeper, a scrubber, etc., and is typically provided with a battery that is capable of autonomous movement with power supplied by the battery and performing a cleaning task during the movement. When the battery is low in power and needs to be charged, the cleaning device can charge the battery in the base station. When the cleaning task is executed, the battery is in a discharging state, and certain heat is generated when the battery is discharged, so that the temperature of the battery is increased, if the environment temperature is higher at the moment, abnormal increase of the temperature of the battery can be caused, overheat phenomenon occurs, and the safety of the battery and the cleaning equipment is threatened. In addition, there may be a battery overheating phenomenon when the cleaning device charges the battery in the base station. Accordingly, there is a need in the art for a new solution to the above-mentioned problems. Disclosure of Invention The present application has been made to overcome the above-mentioned drawbacks, and it is an object of the present application to solve or at least partially solve the technical problem of how to prevent overheating of the battery of the cleaning device and to ensure the safety of the battery and the cleaning device. In a first aspect, the present application provides a battery temperature control method of a cleaning apparatus, the method comprising: Acquiring the battery temperature when the cleaning equipment executes a cleaning task; In response to the battery temperature being greater than a first temperature threshold, suspending execution of the cleaning task and returning to the base station to enter a first cooling mode; And selectively exiting the first cooling mode based on a determination result of whether an exit condition of the first cooling mode is satisfied. In one aspect of the above battery temperature control method, the selectively exiting the first cooling mode based on a determination result of whether an exit condition of the first cooling mode is satisfied includes: acquiring cooling duration and cooling rate in the first cooling mode; Judging whether the cooling rate meets a preset rate condition or not; if the cooling rate meets the preset rate condition, exiting the first cooling mode; And if the cooling rate does not meet the preset rate condition but the cooling duration meets the preset duration condition, exiting the first cooling mode. In one aspect of the above battery temperature control method, the cooling rate is an average value of a plurality of sampling periods in the first cooling mode. In one technical scheme of the above battery temperature control method, before the judging whether the cooling rate meets a preset rate condition, the method further includes: determining whether a battery temperature is less than a second temperature threshold, wherein the second temperature threshold is less than the first temperature threshold, and the determining whether the cooling rate satisfies a preset rate condition is performed only when the battery temperature is less than a second temperature threshold. In one technical scheme of the above battery temperature control method, before the judging whether the cooling rate meets a preset rate condition, the method further includes: Calculating the electric quantity required to be charged based on the remaining area to be cleaned of the cleaning task before returning to a base station in response to the battery temperature being less than the second temperature threshold; and charging the battery based on the amount of charge required. In one aspect of the above battery temperature control method, the charging the battery based on the amount of charge required includes: judging whether the current battery electric quantity is larger than or equal to the electric quantity required to be charged; And if the current battery electric quantity is larger than or equal to the electric quantity required to be charged, the vehicle is discharged again to continue to execute the cleaning task, otherwise, the vehicle is continuously charged. In one aspect of the above battery temperature control method, after the exiting the first cooling mode, the method further includes continuing to perform the cleaning task. In one aspect of the above battery temperature control method, the method further includes: acquiring the battery temperature of the cleaning equipment when the cleaning equipment is charged in the base station; responsive to the battery temperature being greater than or equal to a second temperature threshold, entering a second cooling mode, wherein the second temperature threshold is less than