Stator punching sheet, stator iron core, stator, motor and air conditioning device
A stator punching and punching technology, which is applied in the fields of motors and air conditioners, stator punching, stators, and stator cores, can solve the problems of large loss of magnetic energy, achieve low loss of magnetic energy, and expand and reduce the bonding length The effect of bending stress
Pending Publication Date: 2019-11-26
ZHUHAI KAIBANG MOTOR MFR +1
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Problems solved by technology
[0004] The purpose of the present invention is to provide a stator punch, a stator core, a stator, a motor and an air-conditioning device, so as to solve the technical problem in the prior art that the magnetic energy loss of the chain stator punch is relatively large at the junction of the yoke
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[0040] According to another preferred embodiment of the present invention, the present invention also provides a motor, including the stator.
[0041] According to another preferred embodiment of the present invention, the present invention also provides an air conditioner, including the above motor.
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The invention provides a stator punching sheet, a stator iron core, a stator, a motor and an air conditioning device, relates to the technical field of motors, and solves the technical problem of relatively high magnetic energy loss of a chained stator punching sheet at a yoke joint in the prior art. The stator punching sheet comprises a plurality of punching sheet units which are connected in sequence, wherein the two adjacent punching sheet units are connected through a yoke connecting bridge; and when the plurality of punching sheet units form the stator punching sheet by circle forming, the yoke connecting bridge can be positioned on the outer side of an outer circle of the stator punching sheet formed after circle forming. According to the stator punching sheet, the two adjacent punching sheet units can have sufficiently long fitting surfaces during circle forming, so that the magnetic energy loss is reduced to the minimum, and the performance of the motor is further improved.
Description
technical field [0001] The invention relates to the technical field of motors, in particular to a stator punch, a stator core, a stator, a motor and an air conditioner. Background technique [0002] The stator is usually composed of three parts: stator core, stator winding and frame. The stator core is formed by stacking multiple stator punches. The stator punching is generally a continuous and complete ring structure. The middle part of the stator punching is a hollow inner hole, and there is a punching groove extending radially along the stator punching between the outer circle and the hollow inner hole. In the motor manufacturing technology, the chain stator stamping is directly punched out of the silicon steel sheet to form a whole piece of strip stator stamping, and then the stator stamping is stacked and bent, and finally welded at the splice. [0003] The applicant found that the prior art has at least the following technical problems: the chain stator stampings in ...
Claims
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IPC IPC(8): H02K1/12H02K1/14
CPCH02K1/12H02K1/148
Inventor 吴泽华冯奕冠李庆
Owner ZHUHAI KAIBANG MOTOR MFR