Motor end plate structure, brushless motor and assembling method
A technology of brushless motors and end plates, which is applied to the shape/style/structure of electromechanical devices, electric components, and winding conductors. Avoid excessive size in the circumferential direction, reduce occupied space, and multi-space effect
Pending Publication Date: 2021-06-22
江苏大艺科技股份有限公司
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Problems solved by technology
[0002] Usually, the stator of a brushless motor is connected to the end plate structure through conductive terminals. At present, the stator winding of a three-phase motor consists of three jumper rings. For example, the Chinese patent application number 201810731738.3 discloses a brushless motor end plate structure and In its assembly method, the end plate structure sets three bridging rings with different diameters on the same horizontal plane. Since the bridging ring groups are on the same plane, all different rings are distributed, and the circumferential direction takes up a lot of space, which has limitations in implementation. Larger, and the structure of the end plate is complicated, the process is complicated, and the manufacturing is relatively difficult
There are also some jumper rings that are formed by dislocation and superimposition of three conductive connecting pieces along the circumference. This type of end plate structure occupies too much space in the axial direction, which indirectly increases the difficulty of assembly and positioning.
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[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention belong to the protection scope of the present invention.
[0031] In describing the present invention, it is to be understood that where the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer" etc. indicate The orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the desc...
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The invention discloses a motor end plate structure, a brushless motor and an assembling method, the end plate structure comprises at least two bridging arc sheets, and the at least two bridging arc sheets are combined to form an annular piece; the bridging arc sheets are staggered from each other along the axial direction; in the axial projection of the annular piece, each bridging arc piece and the adjacent bridging arc piece are staggered in the circumferential direction, and each bridging arc piece and the adjacent bridging arc piece are partially overlapped in the radial direction. When the multiple bridging arc pieces are combined to form the annular piece, the bridging arc pieces are staggered in the axial direction, and the situation that the bridging arc pieces occupy the space in the axial direction is avoided; the bridging arc sheets are mutually staggered in the circumferential direction and partially overlapped with the adjacent bridging arc sheets in the radial direction, and the situation that the circumferential size is too large due to end-to-end connection of the adjacent bridging arc sheets is avoided, so that the occupied space is reduced, and more space is provided for a winding. The end plate structure provided by the embodiment of the invention is convenient and fast to assemble.
Description
technical field [0001] The invention relates to a brushless motor, in particular to a motor end plate structure, a brushless motor and an assembly method. Background technique [0002] Usually, the stator of a brushless motor is connected to the end plate structure through conductive terminals. At present, the stator winding of a three-phase motor consists of three jumper rings. For example, the Chinese patent application number 201810731738.3 discloses a brushless motor end plate structure and In its assembly method, the end plate structure sets three bridging rings with different diameters on the same horizontal plane. Since the bridging ring groups are on the same plane, all different rings are distributed, and the circumferential direction takes up a lot of space, which has limitations in implementation. Larger, and the structure of the end plate is complicated, the process is complicated, and the manufacturing difficulty is relatively large. There are also some jumper ...
Claims
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Login to View More IPC IPC(8): H02K3/04H02K3/50
CPCH02K3/04H02K3/50
Inventor黄建平沙佳南盛佳荣
Owner江苏大艺科技股份有限公司