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Motor manufacturing method and motor

A manufacturing method and structure technology, applied in the field of motors, can solve the problems of reducing the reliability of motors and the hidden dangers of the insulation characteristics of stator coils, etc., and achieve the effect of improving reliability and stability and ensuring insulation characteristics

Active Publication Date: 2019-11-29
CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This makes the insulation characteristics of the stator coil have great hidden dangers, which greatly reduces the reliability of the motor

Method used

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  • Motor manufacturing method and motor
  • Motor manufacturing method and motor
  • Motor manufacturing method and motor

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Experimental program
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Embodiment Construction

[0024] The present invention will be further described below in conjunction with accompanying drawing.

[0025] Such as figure 1 with figure 2 As shown, the motor 1 of the present invention includes a substantially cylindrical stator core 10 and coils. The stator core 10 is internally constructed with a housing cavity 11 (see image 3 ). The specific structure of the stator core and its containing cavity is well known to those skilled in the art, and will not be repeated here. Coils are pre-wound from electromagnetic wires on a shuttle machine. Keep the tension consistent throughout the winding process. The magnet wire here is preferably a corona-resistant magnet wire comprising an insulating layer containing inorganic nanomaterials.

[0026] available from figure 1 with figure 2 It can be seen from the figure that a part of the coil is accommodated in the accommodation chamber 11, and this part is called the accommodation part 30; the other part of the coil extends ...

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Abstract

The invention relates to a motor manufacturing method and a motor. The motor comprises a cylindrical stator core and a coil. The stator core is internally provided with a containing cavity. The motormanufacturing method comprises the following steps of placing the coil in the containing cavity so as to enable the coil to form a containing part contained in the containing cavity and an extending part configured to extend out of the containing cavity from the two sides of the stator iron core in the axial direction of the stator iron core; and an extending part pouring and sealing die arrangedon the outer side of the extending part in a sleeved mode and provided with an inner cavity. A containing part pouring and sealing die provided with an inner cavity is arranged in the containing cavity in a sleeved mode. The containing part is contained in the containing part pouring and sealing die. The pouring and sealing fluid is poured into the interior of the containing part pouring and sealing die and the interior of the extending part pouring and sealing die. When the pouring and sealing fluid is solidified, the containing part pouring and sealing die and the extending part pouring andsealing die are disassembled. The motor manufactured by the method is relatively high in reliability.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a method for manufacturing a motor. The invention also relates to an electrical machine produced by this method. Background technique [0002] The coils forming the windings of electric motors, especially low voltage motors, are usually enamelled wires. However, limited by the processing technology and other conditions, the paint film on the surface of the enameled wire is very thin, and there will be many very small damages, holes, etc. [0003] In the prior art, the manufacture of the motor usually adopts the method of impregnating the whole stator with varnish, so as to form an insulating film outside the coil winding, so as to improve the insulation, integrity and protection of the winding. However, the dipping varnish used in the dipping process is usually thinner and difficult to adhere around the coil, so the insulating film formed is relatively thin, and it cannot be gua...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K15/10
CPCH02K15/105
Inventor 冯江华赵安然李强军陈致初许峻峰李益丰辛本雨杨金霞盛振强符敏利邹煜林
Owner CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST
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