US-20260128642-A1 - ELECTRIC MOTOR, WASHING DEVICE, DYNAMIC BALANCE ADJUSTING METHOD AND APPARATUS, AND ELECTRONIC DEVICE

Abstract

An electric motor includes: a housing; a rotary component, wherein part of the rotary component is disposed in the housing, and two ends of the rotary component extend from the housing in the direction of the axis of rotation of the rotary component; and a balance machining portion disposed on the rotary component, wherein the balance machining portion is located in the housing or is located outside of the housing. A dynamic balance parameter of the electric motor can be adjusted by operating the balance machining portion; and when the balance machining portion is located in the housing, a clearance hole is provided in the housing, and the clearance hole is provided corresponding to the balance machining portion, and the balance machining portion can be machined through the clearance hole.

Inventors

• Weipeng TANG
• Wenyong YANG
• Haiquan Xiao
• Cheng Qian
• Licheng ZHENG
• Di Wu

Assignees

• FOSHAN WELLING WASHER MOTOR MANUFACTURING CO., LTD.
• HUAI'AN WELLING MOTOR MANUFACTURING CO., LTD.

Dates

Publication Date

20260507

Application Date

20251230

Priority Date

20230831

Claims (18)

1. 1 . An electric motor, comprising: a housing; a rotary component, wherein part of the rotary component is disposed in the housing, and two ends of the rotary component extend from the housing in a direction of an axis of rotation of the rotary component; and a balance machining portion disposed on the rotary component, wherein the balance machining portion is located in the housing or is located outside the housing, a dynamic balance parameter of the electric motor is adjustable by operating the balance machining portion; and wherein, for the balance machining portion that is located in the housing, a clearance hole is provided in the housing, and the clearance hole is provided corresponding to the balance machining portion, and the balance machining portion is processable through the clearance hole.
2. 2 . The electric motor according to claim 1 , wherein, the housing comprises: an outer shell, wherein the rotary component is located inside the outer shell; and end covers, disposed at two ends of the outer shell along the direction of the axis of rotation; wherein, for the balance machining portion that is located in the housing, the clearance hole is disposed in the end covers.
3. 3 . The electric motor according to claim 2 , wherein, the rotary component comprises: a rotating shaft, wherein a part of the rotating shaft is disposed inside the outer shell, and two ends of the rotating shaft extend from the end covers to an outer side of the outer shell; and a rotor, disposed inside the outer shell and connected to the rotating shaft, wherein, for the balance machining portion that is located outside the housing, the balance machining portion is disposed on at least one of the two ends of the rotating shaft; for the balance machining portion that is disposed inside the outer shell, the balance machining portion is disposed on the rotor.
4. 4 . The electric motor according to claim 3 , wherein, for the balance machining portion that is disposed on the rotor, the balance machining portion is a part of the rotor.
5. 5 . The electric motor according to claim 3 , wherein, the balance machining portion comprises a balance block.
6. 6 . The electric motor according to claim 5 , wherein, the balance block comprises a balance ring disposed around an outer side of the rotating shaft.
7. 7 . The electric motor according to claim 3 , wherein, the balance machining portion comprises a belt pulley disposed on the rotating shaft.
8. 8 . The electric motor according to claim 1 , wherein, for the balance machining portion that is located outside the housing, the balance machining portion and the rotary component are of an integrated structure.
9. 9 . The electric motor according to claim 1 , wherein, the balance machining portion comprises a metal machining portion or a plastic machining portion.
10. 10 . A washing device, comprising: the electric motor according to claim 1 .
11. 11 . A dynamic balance adjusting method for an electric motor, applied to the electric motor according to claim 1 , wherein, the method comprises: performing dynamic balance parameter detection after the electric motor is assembled and acquiring a first detection value; and operating the balance machining portion to make the dynamic balance parameter of the electric motor less than or equal to a first parameter threshold for the first detection value that is greater than the first parameter threshold.
12. 12 . The dynamic balance adjusting method for an electric motor according to claim 11 , wherein, the step of performing dynamic balance parameter detection after the electric motor is assembled comprises: controlling the electric motor to start and rotate at a target rotation speed.
13. 13 . The dynamic balance adjusting method for an electric motor according to claim 12 , wherein, the target rotation speed comprises a rotation speed of the electric motor in an operating state.
14. 14 . The dynamic balance adjusting method for an electric motor according to claim 11 , wherein, the rotary component comprises a rotor, before the step of performing dynamic balance parameter detection after the electric motor is assembled, the method further comprises: performing dynamic balance parameter detection for the rotor and acquiring a second detection value; and operating the rotor to make the dynamic balance parameter of the rotor less than or equal to a second parameter threshold for the second detection value that is greater than the second parameter threshold.
15. 15 . The dynamic balance adjusting method for an electric motor according to claim 14 , wherein, operating the balance machining portion comprises at least one operation of cutting, drilling and dispensing the balance machining portion; and operating the rotor comprises at least one operation of cutting, drilling and dispensing the rotor.
16. 16 . A dynamic balance adjusting apparatus of an electric motor, comprising: a detection unit configured to perform dynamic balance parameter detection after the electric motor is assembled and acquire a first detection value; and an operation unit configured to operate a balance machining portion to make a dynamic balance parameter of the electric motor less than or equal to a first parameter threshold for the first detection value that is greater than the first parameter threshold.
17. 17 . An electronic device, comprising: the dynamic balance adjusting apparatus of the electric motor according to claim 16 .
18. 18 . A computer-readable storage medium, storing programs or instructions therein, wherein, when the programs or instructions are executed by a processor, the dynamic balance adjusting method for an electric motor according to claim 11 is implemented.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation application of International (PCT) Patent Application No. PCT/CN 2024/104172, filed on Jul. 8, 2024, which claims priority to Chinese Patent Application No. 202311115949.1 filed with the China National Intellectual Property Administration on Aug. 31, 2023 and entitled “ELECTRIC MOTOR, WASHING DEVICE, DYNAMIC BALANCE ADJUSTING METHOD AND APPARATUS, AND ELECTRONIC DEVICE”, the entire contents of which are incorporated herein by reference. FIELD The present application relates to the field of electric motors, and specifically relates to an electric motor, a washing device, a dynamic balance adjusting method and apparatus, and an electronic device. BACKGROUND At present, during the dynamic balance detection of an electric motor, a dynamic balance processing process is performed at a rotor stage, after a rotor is driven to a certain rotation speed through methods such as belt dragging, a vibration signal is measured to calculate an imbalance value, and the imbalance amount of the rotor is adjusted to meet a qualified standard. However, there may be a discrepancy between the state of the rotor during the dynamic balance test of the rotor and the operating state of the rotor inside the electric motor, resulting in low dynamic balance accuracy. When defective products occur due to nonconforming dynamic balance, disassembly may be required for repair, leading to a high repair cost. SUMMARY A first aspect of the present application provides an electric motor. A second aspect of the present application provides a washing device. A third aspect of the present application provides a dynamic balance adjusting method for an electric motor. A fourth aspect of the present application provides a dynamic balance adjusting apparatus of an electric motor. A fifth aspect of the present application provides an electronic device. A sixth aspect of the present application provides a computer-readable storage medium. In view of this, the present application provides an electric motor, comprising: a housing; a rotary component, wherein part of the rotary component is disposed in the housing, and two ends of the rotary component extend from the housing in the direction of the axis of rotation of the rotary component; and a balance machining portion disposed on the rotary component, wherein the balance machining portion is located in the housing or is located outside the housing; a dynamic balance parameter of the electric motor can be adjusted by operating the balance machining portion; and in the case that the balance machining portion is located in the housing, a clearance hole is provided in the housing, and the clearance hole is provided corresponding to the balance machining portion, and the balance machining portion can be machined through the clearance hole. According to the present application, a washing device is further provided, comprising the electric motor provided in any one of the above technical solutions. According to the present application, a dynamic balance adjusting method for an electric motor is further provided, and applied to the electric motor provided in any one of the above first aspect. The adjusting method comprises: performing dynamic balance parameter detection after the electric motor is assembled and acquiring a first detection value; and operating a balance machining portion to make the dynamic balance parameter of the electric motor less than or equal to a first parameter threshold in the case that the first detection value is greater than the first parameter threshold. The dynamic balance adjusting apparatus of an electric motor provided according to the present application comprises: a detection unit configured to perform dynamic balance parameter detection for the electric motor after its assembly is completed and acquire a first detection value; and an operation unit configured to operate a balance machining portion to make the dynamic balance parameter of the electric motor less than or equal to a first parameter threshold in the case that the first detection value is greater than the first parameter threshold. The electronic device provided according to the present application comprises: the dynamic balance adjusting apparatus of an electric motor provided in any one of the above items; and/or a processor and a memory, wherein the memory stores programs or instructions which can run in the processor. When the programs or instructions are executed by a processor, the steps of the dynamic balance adjusting method for an electric motor provided according to any one of the above items are implemented. The computer-readable storage medium provided according to the present application stores programs or instructions therein; when the programs or instructions are executed by a processor, the dynamic balance adjusting method for an electric motor according to any one of the above items is implemented. The additional aspects and