Card-issuing flat wire motor stator and card-issuing flat-wire motor
A technology for motor stators and clips, which is applied in the direction of electromechanical devices, electrical components, magnetic circuit shape/style/structure, etc., can solve the problem of difficult to meet the design requirements of motor performance, reduce the height of the outlet end, and the complexity of the transition connection line and other problems, to meet the requirements of motor performance design and manufacturing process design, the winding structure is simple and compact, and the effect of reducing high-speed skin effect
Active Publication Date: 2022-04-01
HEFEI JUYI POWER SYST CO LTD
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Problems solved by technology
However, domestic new energy vehicle drive motors are not only in the low-voltage platform development stage, but also continue to increase in speed, which makes it difficult for the flat wire winding scheme with a small number of parallel branches to meet the motor performance design requirements
Patent CN107408855 proposes a four-way parallel flat wire winding scheme, but the wiring of the transition connection line at the outlet end of this winding scheme is relatively complicated, and it is not conducive to reducing the height of the end of the outlet end, and there is no advantage of compact structure
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[0030] Also refer to Figure 1-Figure 3 , figure 1 It is a top structural schematic diagram of a stator core of a hairpin flat wire motor in some embodiments of the present invention. figure 2 It is a schematic diagram of the distribution of conductors in the slots of the stator core of the hairpin flat wire motor in some embodiments of the present invention. image 3 It is a three-dimensional structural view of the stator of the hairpin flat wire motor in some embodiments of the present invention. The stator of the hairpin flat wire motor includes: a stator core structure 10 and a stator winding 20 . Wherein, the inside of the stator core structure 10 is evenly spaced with a plurality of winding slots 11 extending along its axial direction, and the winding slots 11 are distributed with conductors 210 . One side of the two ends of the stator core 10 is the hairpin end of the winding, and the other side is the welding end of the winding. The stator winding 20 is composed ...
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The present invention provides a stator of a card-issuing flat-wire motor and a card-issuing flat-wire motor. The stator of a card-issuing flat-wire motor includes: a stator core structure, the inner side of which is evenly spaced with a plurality of winding grooves extending along its axial direction. One end face side of the stator core is the winding hairpin end, and the other end face side is the winding welding end; the stator winding is arranged in the winding slot, and the stator winding includes: the first phase winding, the second phase winding and the second phase winding. Three-phase windings, the first phase winding, the second phase winding and the third phase winding each include four parallel branches; the first phase winding, the second phase winding and the third phase winding Both the input terminal and the output terminal are distributed at the hairpin end of the winding. The invention can better meet the requirements of motor performance design and manufacturing process design under the condition of low-voltage platform and high-speed driving motor of new energy vehicles.
Description
technical field [0001] The invention relates to the technical field of electric motors, in particular to a stator of a card-issuing flat-wire motor and a card-issuing flat-wire motor. Background technique [0002] The design of the flat wire motor winding scheme not only needs to meet the performance requirements of the motor, but also needs to consider the manufacturability of mass production. At present, the number of parallel branches in the design of the common flat wire motor winding scheme is small, so as to meet the requirements of motor performance design and manufacturing process design. However, domestic new energy vehicle drive motors are not only in the low-voltage platform development stage, but also continue to increase in speed, which makes it difficult for the flat wire winding scheme with a small number of parallel branches to meet the motor performance design requirements. Patent CN107408855 proposes a four-way parallel flat wire winding scheme, but the wi...
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IPC IPC(8): H02K1/16H02K3/12H02K3/28
CPCH02K1/16H02K3/12H02K3/28H02K2213/03
Inventor 刘蕾朱标龙田旭孙纯哲
Owner HEFEI JUYI POWER SYST CO LTD