一种电机定子、电机和压缩机
By optimizing the outer and inner diameters of the stator core and the motor split ratio, the problem of low motor efficiency was solved, resulting in improved motor efficiency and reduced costs, thus enhancing the motor's cost-effectiveness.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHUHAI LANDA COMPRESSOR
- Filing Date
- 2025-07-25
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies offer limited performance improvements in motor efficiency due to insufficient research on stator tooth area, winding area, and motor split ratio, resulting in low motor efficiency.
By optimizing the outer diameter and inner diameter of the stator core and the motor split ratio, and setting the distribution relationship of stator teeth and windings in the stator slots, it is ensured that the motor split ratio is 0.6≤δ≤0.7, the sum of the stator tooth area and the winding area is 0.2≤δ*S2/S1≤0.4, and the number of stator slots is greater than or equal to 15, thereby optimizing the stator tooth area, winding area, and motor split ratio.
It improves motor efficiency, reduces motor costs, and enhances the motor's cost-effectiveness.
Smart Images
Figure CN224520778U_ABST
Abstract
Claims
1. An electric machine stator, characterized by: include: Stator core (1) and winding (2), wherein the outer diameter of the stator core (1) is D1 and the inner diameter of the stator core (1) is D2, the motor split ratio δ=D2 / D1, and the motor split ratio δ satisfies: 0.6≤δ≤0.7; The stator core (1) includes stator teeth (3) and stator slots (4). There are multiple stator teeth (3), which are distributed circumferentially along the stator core (1). The stator slots (4) are between adjacent stator teeth (3). The winding (2) is wound on the stator teeth (3), such that part of the structure of the winding (2) is located in the stator slot (4) on one side of the stator teeth (3) and part of the structure of the winding (2) is located in the stator slot (4) on the other side of the stator teeth (3). In the projection plane of the axial end face of the stator core (1), the area of the stator tooth (3) is S1, the sum of the area of the winding (2) wound on a stator tooth (3) in the stator slot (4) on one side of the stator tooth (3) and the area of the winding (2) in the stator slot (4) on the other side of the stator tooth (3) is S2, and the following relationship is satisfied: 0.2≤δ*S2 / S1≤0.4, and the number of stator slots is greater than or equal to 15.
2. The motor stator according to claim 1, characterized in that: δ=0.6, 0.2≤δ*S2 / S1≤0.
39.
3. The motor stator according to claim 1, characterized in that: δ=0.67, 0.2≤δ*S2 / S1≤0.
39.
4. The motor stator according to claim 1, characterized in that: δ=0.7, 0.2≤δ*S2 / S1≤0.
39.
5. The motor stator according to claim 1, characterized in that: The outer diameter D1 of the stator core (1) satisfies: 90mm≤D1≤130mm.
6. An electric motor, characterized in that: The motor stator (5) includes any one of claims 1-5, and further includes a motor rotor (6) located on the inner periphery of the motor stator (5).
7. The motor according to claim 6, characterized in that: The number of stator teeth (3) is Q, and Q≥12; the number of rotor poles of the motor rotor (6) is 2p, and 2p≥10; and the axial height of the motor stator (5) is H, that is, the axial stack height of the motor stator (5), and 20mm≤H≤50mm.
8. The motor according to claim 7, characterized in that: The number of stator teeth Q = 15, and the number of rotor poles 2p = 10.
9. A compressor characterized by: The motor included in any one of claims 6-8.