Patent ID: 11950753
Assignee: TINECO INTELLIGENT TECHNOLOGY CO., LTD
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 4:
5. The method for reminding the replacement of the filter of the vacuum cleaner according to claim 1, wherein, the working parameter of the vacuum cleaner further comprises: a constant motor power operating parameter and a filter system parameter;
wherein, the comparing, according to the working parameter of the vacuum cleaner, the rotating speed difference with the preset rotating speed difference threshold, to obtain the comparison result, comprises:
comparing, according to the constant motor power operating parameter, the rotating speed difference with the preset rotating speed difference threshold, to obtain the comparison result;
comparing, according to the non-constant motor power operating parameter, the rotating speed difference with the preset rotating speed difference threshold, to obtain the comparison result; and
comparing, according to the filter system parameter, the rotating speed difference with the preset rotating speed difference threshold, to obtain the comparison result.