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Coreless coil and motor with same

A hollow cup and coil technology, which is applied in the shape/style/structure of the winding conductor, can solve the problems of inconsistent circulating current and inability to solve the amplitude of the back EMF, and achieves the advantages of reducing operating loss, being easy to implement, and reducing operating temperature rise. Effect

Pending Publication Date: 2019-10-25
SHANGHAI MOONS ELECTRICAL APPLIANCE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with the prior art, this utility model has the advantages of high winding efficiency, good performance, good versatility, etc., but this utility model cannot solve the circulating current caused by the inconsistency of the back EMF amplitude between the same-phase windings in the inner and outer coils question

Method used

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  • Coreless coil and motor with same
  • Coreless coil and motor with same
  • Coreless coil and motor with same

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Embodiment Construction

[0027] The technical solution in the embodiment of the present invention will be clearly and completely described below, obviously, the described embodiment is a module embodiment of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0028] Taking the double-layer coil as an example, such as figure 1 and figure 2 As shown, the manufacturing process of the single-layer coil: the winding mold is hexagonal, and the self-adhesive enameled wire is wound along the winding mold. The initial lead is recorded as T11. Wire, continue to wind the B-phase winding, lead out T13, then continue to wind the C-phase winding without wires, lead out T11 (because the lead wire here will be connected with the first lead-out wire T11 in parallel, so it is also recorded as T11). After t...

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Abstract

The invention relates to a coreless coil and a motor with the same. The coreless coil comprises multiple layers of coils installed in an air gap space between a stator and a rotor of the motor. The multi-layer coil comprises at least two single-layer coils, wherein the single-layer coils are coreless coils. The axial center lines of all the layers of coils are not on the same straight line, and the corresponding induction counter electromotive forces of all the layers of coils are the same and used for restraining circulation of the multi-layer coil. Compared with the prior art, the coreless coil has the advantages that the operation loss and temperature rise of the motor are reduced.

Description

technical field [0001] The invention relates to the field of motor structure, in particular to a coreless coil for suppressing multi-layer coil circulation and a motor with the coil. Background technique [0002] The traditional hollow cup multilayer coil refers to installing more than two hollow cup coils in the air gap space between the stator and rotor of the motor. The slot full rate, thereby improving the performance of the motor. The corresponding single-layer coreless coil refers to installing a coreless coil in the air gap space between the stator and rotor of the motor. See JP2001-101577A for the traditional single-layer coreless coil manufacturing patent, and see a coggingless motor with even-numbered layer windings for the traditional multi-layer coreless coil patent, application number CN201420824876.3. [0003] For the manufacturing process of the single-layer coil, see Figure 1 ~ Figure 2 , the winding mold is hexagonal, and the self-adhesive enameled wire i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K3/28
CPCH02K3/28
Inventor 唐斌松袁榜金万兵谭啸天周洪利
Owner SHANGHAI MOONS ELECTRICAL APPLIANCE
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