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Motor stator and motor using same

A technology of motor stator and stator slot, which is applied to electric components, electromechanical devices, electrical components, etc., can solve the problems of high voltage difference and easy breakdown of hairpin coils.

Pending Publication Date: 2022-05-27
ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention proposes a motor stator and its applied motor, which are used to solve the problem that the high voltage difference between the layers of different slot layers and the hairpin coils are prone to breakdown when used under high voltage, and the following technical solutions are proposed

Method used

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  • Motor stator and motor using same
  • Motor stator and motor using same
  • Motor stator and motor using same

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Embodiment Construction

[0047] The embodiments of the present invention are described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

[0048] It should be noted that the diagrams provided in this embodiment are only to illustrate the basic concept of the present invention in a schematic way, and the drawings only show the components related to the present invention rather than the number, shape and number of components in actual implementation. For dimension drawing, the type, quantity and proportion of each component can be arbitrarily changed in actual implementation, and ...

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Abstract

The invention provides a motor stator and a motor using the same. The motor stator comprises a stator iron core which is provided with a stator slot, the stator slot comprises a plurality of slot layers, and the slot layers are arranged along the radial direction of the stator iron core; the stator winding is inserted into the stator slots, the stator winding comprises a plurality of first conductors and a plurality of second conductors, and each of the first conductors and the second conductors comprises two linear segment parts; wherein the linear segment parts of the plurality of first conductors are respectively located in two adjacent slot layers, each of the first conductors and the second conductor comprises two linear segment parts, and one linear segment part of the second conductor and one linear segment part of the first conductor are located in the same stator slot; the polar distance of the stator winding is tau, the pitch of the second conductors is y2, the distance between the linear segment parts of the two adjacent first conductors in the same slot layer is L1, and the distance between the linear end parts of the adjacent second conductors is L2. The height of the bending part of the stator coil can be reduced, and the motor efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a motor stator and an applied motor. Background technique [0002] The stator core winding adopts the method of flat wire (rectangular wire), which can greatly improve the full ratio of bare copper slots of the stator coil, thereby greatly improving the efficiency of the motor. The stator winding includes a plurality of hairpin coils, and the plurality of hairpin coils are inserted into the stator slots of the stator iron core according to a certain arrangement to form the required windings of a single-phase motor or a multi-phase motor. [0003] However, there are many types of existing stator hairpin coils, and the arrangement is complicated. In the same stator slot, the voltage difference between the layers of different slot layers is high. When used under high voltage, the hairpin coils between different slot layers are easy to use. The phenomenon of breakdown occurs, resulti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/16H02K3/12H02K3/52H02K3/50
CPCH02K1/165H02K3/12H02K3/521H02K3/50H02K3/14H02K3/28H02K1/16H02K2213/03
Inventor 张增杰阮鸥孙新东朱殿烨李涛汤浩张红凯张宪东林汝裕
Owner ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD
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