Production method of radial forked block type salient pole rotor for driving motor
A technology for driving motors and salient pole rotors, which is applied in the manufacture of motor generators, stator/rotor bodies, electrical components, etc. Complicated problems, to achieve the effect of improved motor output performance, high production efficiency, and high mechanical strength
Active Publication Date: 2021-02-26
SHANDONG UNIV OF TECH
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Problems solved by technology
[0002] At present, most of the production methods of the driving motor salient pole rotors used in electric vehicles adopt an integrated structure, such as the existing technology, patent name: brushless electromagnetic and permanent magnet hybrid voltage stabilizing power generation device for electric vehicle range extender, patent number: ZL201610.306601.4 discloses the following technical scheme, which consists of a front end cover, a rear end cover, a hybrid rotor, a stator, and an electronic voltage regulator controller. In the arc-shaped slot, the electric excitation winding is wound on the T-shaped salient pole. The motor rotor with this integrated structure limits the wire diameter and the number of winding turns of the excitation winding. It is difficult to wind the coil, the processing technology is complicated, and the cost of the motor is reduced. High, and the magnetic pole is provided by a single magnetic steel magnetic field, the performance of the motor is not stable enough
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[0029] Such as Figure 1 to Figure 4 shown, including the following steps:
[0030] 1) Punching and cutting the first T-shaped rotor punching piece 1, the first T-shaped rotor punching piece includes the first pole piece 101 and the first pole body 102, the inner end of the first pole body 102 is provided with a first round hole 103, the first The inner side of the pole body 102 is set in a circular arc shape with a concave surface facing the center of the first T-shaped rotor punching plate 1. The first pole piece 101 is provided with a W-shaped groove 104 running through the axial thickness of the first pole piece 101. The W-shaped groove 104 It consists of two first rectangular grooves and two second rectangular grooves between the two first rectangular grooves, the length of the second rectangular grooves is less than the length of the first rectangular grooves, and the outer ends of the two second rectangular grooves are arranged There is an in-line groove 105 that runs ...
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The invention provides a production method of a radial forked block type salient pole rotor for a driving motor and belongs to the technical field of automobile motor electric appliances. The production method of the radial forked block type salient pole rotor for the driving motor comprises the production steps of a magnet yoke rotor core and a T-shaped rotor core, the magnet yoke rotor core adopts a salient pole type tooth groove structure, the mechanical strength is high, and reliability is high; the salient pole rotor is radially forked into the block type T-shaped rotor core, the adoptedelectric exciting winding is not limited by the limited space between adjacent pole shoes, offline winding is easy to operate by a machine, convenient and fast, and meanwhile, the exciting winding iswound in the same direction, so production efficiency is high; three parallel magnetic fields are adopted, total magnetic resistance of a magnetic circuit is small, electro-magnetic lines of force pass through silicon steel sheets, and iron loss is small.
Description
technical field [0001] The invention provides a method for producing a radially forked segmented salient pole rotor for a driving motor, which belongs to the technical field of automobile motors and electrical appliances. Background technique [0002] At present, most of the production methods of the driving motor salient pole rotors used in electric vehicles adopt an integrated structure, such as the existing technology, patent name: brushless electromagnetic and permanent magnet hybrid voltage stabilizing power generation device for electric vehicle range extender, patent number: ZL201610.306601.4 discloses the following technical scheme, which consists of a front end cover, a rear end cover, a hybrid rotor, a stator, and an electronic voltage regulator controller. In the arc-shaped slot, the electric excitation winding is wound on the T-shaped salient pole. The motor rotor with this integrated structure limits the wire diameter and the number of winding turns of the excit...
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IPC IPC(8): H02K15/03
CPCH02K15/03
Inventor 胡文静张学义耿慧慧雷雨龙王爱传司涛高艳红王善健高志东
Owner SHANDONG UNIV OF TECH