Electronic motor
An electronic and stator technology, applied in the direction of electrical components, electromechanical devices, electric components, etc., can solve the problems of large eddy current heat loss, high cost of metal shells, and the impossibility of firmly fixing the power cord, etc., to improve efficiency and solve the problem of fixing weak effect
Active Publication Date: 2010-08-25
东莞艾科机电设备有限公司 +1
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Problems solved by technology
When the magnetic flux passes through the narrow section of the sheet, the eddy current is limited to flow along some narrow circuits in each sheet, the net electromotive force in these circuits is small, the length of the circuit is large, and because the resistivity of the sheet material is large , so that the eddy current loss can be significantly reduced; but the eddy current of this stator is still very large, and the eddy current heat loss is large, which affects the efficiency of the motor
Most of the existing electronic motors use metal casings, and the power cord passes through the connecting hole of the metal casing, and then is fixed in the casing by a ring nut. However, the cost of this metal casing is high and the complexity of assembly is replaced by a plastic casing. Traditional metal enclosures, however, are not likely to hold power cords securely as plastics are easily deformed, nor can they ensure a degree of sealing that is adequate for the purpose of the motor, such as for refrigeration units
Method used
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[0033] Shown in Fig. 1, 2, 3, 4, 5, 6, electronic motor of the present invention, it comprises front half shell 12, rear half shell 11, has the stator 20 of winding 60, has the rotor 30 of coupling 31 , a rear insulating support 50, a circuit board 70 and a power cord 90 installed on the rear insulating support 50, the stator 20 is composed of a stator fork 22 and a pole piece 23, a through hole 21 is arranged in the middle of the pole piece 23, and poles are extended around the pole The shoe 28 is provided with a radial electrode 26 at the pole shoe 28, and the inside of the stator fork 22 is provided with a slot 27 compatible with the pole piece electrode 26, and the stator fork 22 and the pole piece 23 are inserted through the slot 27 and the electrode 26. Together, the pole shoe 28 has a larger arched edge 120 , and a recessed portion 121 is provided on the arched edge 120 , and the inner diameter of the recessed portion 121 is slightly larger than the inner diameter of the...
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The invention discloses an electronic motor, comprising a stator, a rotor, a rear insulating bracket and a circuit board. The stator consists of a stator fork and a pole piece, wherein the center of the pole piece is provided with a through hole, and a pole shoe extends from the periphery of the pole piece. A radial electrode is arranged at the pole shoe which is provided with a larger arched edge, a formed concave part is arranged at the arched edge, and the inner diameter of the concave part is slightly larger than that of the edge of pole shoe. The invention also discloses a shell of the electronic motor, comprising a casing which consists of a shell, an end cover matched with the shell and a power line, wherein the shell is provided with a notch, one end of the power line connected with the shell is provided with a base adaptive with the notch of the shell, the periphery of the base matched with the notch is provided with a guide slot, and the power line and the shell are spliced together through the guide slot and the edge of the notch. The invention improves the efficiency of the motor and effectively solves the problem that the fixation of plastic shell and the power line is infirm.
Description
technical field [0001] The invention relates to the technical field of motors, in particular to an electronic motor. Background technique [0002] In the existing electronic motor, since the stator generates a large eddy current when it is energized, the stator heats up, causing a large eddy current loss. To reduce eddy current loss. Made of laminated sheets. These sheets are coated with a thin layer of insulating varnish or insulating oxide. When the magnetic flux passes through the narrow section of the sheet, the eddy current is limited to flow along some narrow circuits in each sheet, the net electromotive force in these circuits is small, the length of the circuit is large, and because the resistivity of the sheet material is large , so that the eddy current loss can be significantly reduced; but the eddy current of the stator is still large, and the eddy current heat loss is large, which affects the efficiency of the motor. Most of the existing electronic motors us...
Claims
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Login to View More IPC IPC(8): H02K1/12H02K5/00H02K11/00H02K11/20
Inventor 恩佐·科伦波
Owner 东莞艾科机电设备有限公司