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Off-line process of hybrid coil of single and double layer for motor

A hybrid coil and single-layer technology is applied in the field of motor single-layer and double-layer hybrid coil offline technology to achieve the effects of improving motor performance, improving production efficiency and saving material consumption.

Active Publication Date: 2012-03-28
SHANGHAI ELECTRICAL APP RES INST GRP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The purpose of the present invention is to provide a new process for the off-line of single-layer and double-layer windings of a motor. Productivity

Method used

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  • Off-line process of hybrid coil of single and double layer for motor
  • Off-line process of hybrid coil of single and double layer for motor
  • Off-line process of hybrid coil of single and double layer for motor

Examples

Experimental program
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Effect test

Embodiment Construction

[0018] refer to figure 1 , which is an expanded view of the off-line process of the single-layer and double-layer windings of the motor in the prior art.

[0019] As shown in the figure, ① Assuming that the 8th and 9th slots are the selected embedding slots, insert the two lower coil sides of the first coil group (a coil group consisting of a large coil and a small coil) respectively into the 8th slot And the 9th slot, the upper side is temporarily suspended and not embedded (note: the single-layer coil side is embedded in the 9th slot, and the end of the coil side is pressed under other coils, so it is also called the lower side).

[0020] ② Empty one slot, insert the two lower sides of the second coil group into the 11th and 12th slots respectively, and temporarily lift the upper side so that they cannot be embedded.

[0021] ③ Empty one more slot, insert the two lower layers of the third coil group into the 14th and 15th slots respectively, and insert the upper layer of th...

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Abstract

The invention relates to a leading down technique of a mixed single-and-double layer coil of a motor. The steps of the technique are as follows: the first step: a U phase is led down: if a No.8 slot and a No. 9 slot are selected as embedding initiation slots, the two coil edges of a first coil assembly are respectively embedded into the lower-layer edges of the embedding initiation slots, and other two edges of the coil assembly are respectively embedded into the lower-layer edges of a No. 1 slot and a No.2 slot; the two coil edges of another coil assembly are respectively embedded into the lower-layer edges of a No. 10 slot and a No.11 slot, and other two edges of the coil assembly are respectively embedded into the lower-layer edges of a No. 17 slot and a No.18 slot; the second step: a V phase is led down: if a No.14 slot and a No. 15 slot are selected as embedding initiation slots, the two coil edges of the first coil assembly are respectively embedded into the lower-layer edges ofthe embedding initiation slots, and other two edges of the coil assembly are respectively embedded into the lower-layer edge of a No. 7 slot and the upper-layer edge of the No. 8 slot; the two coil edges of the other coil assembly are respectively embedded into the lower-layer edges of a No. 5 slot and a No.6 slot, and other two edges of the coil assembly are respectively embedded into the lower-layer edges of a No. 16 slot and the upper-layer edge of the No. 17 slot; the third step: a W phase is led down: if the No.11 slot and a No. 12 slot are selected as embedding initiation slots, the twocoil edges of the first coil assembly are respectively embedded into the upper-layer edges of the embedding initiation slots.

Description

technical field [0001] The invention relates to a single-layer and double-layer mixed coil off-line process for a motor, which belongs to the technical field of motor manufacturing. Background technique [0002] The motor is currently the most widely used device in electromechanical energy conversion in various countries in the world. It has a wide range of applications in various fields of the national economy and is a product with a large quantity and a wide range. [0003] As the proportion of motor wire materials in the overall cost of motors continues to increase, and the requirements of various countries on motor performance indicators (such as efficiency, etc.) have increased, various windings that can not only reduce costs but also improve performance Designs emerge in endlessly, single-layer hybrid winding is one of them. It not only retains the advantages of weakening the harmonic magnetomotive force and improving the starting performance after the short distance ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K15/06
Inventor 刘憬奇姚鹏吴艳红胡春雷
Owner SHANGHAI ELECTRICAL APP RES INST GRP
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