Structure for measuring iron loss of motor stator core

A motor stator and stator core technology, applied in the direction of measuring electrical variables, measuring current/voltage, measuring devices, etc., can solve the problems of measurement accuracy reduction, measurement magnetic field strength error, etc., to improve measurement accuracy, improve efficiency, and reduce iron loss Effect

CN104467303BActive Publication Date: 2018-04-17HYUNDAI MOTOR CO LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2018-04-17

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Abstract

The present invention provides a structure for measuring iron loss of a stator core of a motor, the structure comprising an auxiliary core, two end faces in the longitudinal direction thereof and inner ends of two adjacent stator teeth among a plurality of stator teeth in the radial direction In order to measure the iron loss of the stator core, a plurality of slots and a plurality of stator teeth are alternately formed on the inner peripheral surface of the stator yoke in the circumferential direction. A pair of field windings are provided at portions spaced apart from each other in the longitudinal direction of the auxiliary core. A B coil as a sensor coil is provided on the auxiliary core so as to be positioned inside either one of the pair of field windings. The fixing protrusions protrude from both end faces of the auxiliary core and extend longitudinally, and are inserted into slots between two adjacent stator teeth for fitting and fixing in the circumferential direction. Therefore, it is possible to quantitatively and accurately measure the iron loss of the motor stator core for each manufacturing process.
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Description

technical field

[0001] The present invention relates to a structure for measuring the iron loss of a motor stator core, and more particularly, to a structure for measuring the manufacturing iron loss of a motor stator core, which can accurately measure a motor stator by using a C-shaped auxiliary core Iron loss in each step of the core manufacturing and assembly process. Background technique

[0002] Generally, an electric motor is called a motor, and is a device that converts electrical energy into mechanical energy by using electric power received by a conductor through which a current in a magnetic field flows. The motor generally includes a cylindrical stator fixed into a frame with a coil wound therearound, and a rotor disposed inside or outside the stator and transmitting power while being rotated by induced magnetic force formed near the coil.

[0003] According to the principle of rotation, electric motors can be classified into DC motors, induction motors, synchron...

Examples

Embodiment Construction

[0052] Hereinafter, the present invention will be described more fully with reference to the accompanying drawings so that those skilled in the art can implement exemplary embodiments of the invention.

[0053] refer to Figure 7 , the structure for measuring iron loss of a motor stator core according to an exemplary embodiment of the present disclosure may include a C-shaped auxiliary core 100 substantially in the shape of a letter 'C'. The C-shaped auxiliary core 100 may have a substantially uniform width in the longitudinal direction. The fixing protrusions 102 may protrude from both end surfaces of the C-shaped auxiliary core 100 in the longitudinal direction and extend longitudinally. The fixing protrusion 102 may protrude from the centers of both end surfaces of the C-shaped auxiliary core 100 in the width direction. The fixing protrusion 102 has a square shape, but may have other shapes as long as it is inserted and fixed in a slot between stator teeth described below...