Electric motor

Abstract

A motor in which lead ends of stator windings can be easily connected with a connector, thereby shortening the assembly time of the motor. Such an electric motor comprises: a stator winding having a plurality of leads; a plurality of conductors or conducting portions, each conductor or conducting portion being electrically connected to each end of the lead; a connecting element having an insulator, the Insulators are used to hold said conductive parts as a whole. The conductive parts and the lead ends of the stator windings can be connected to each other by means of fusion elements. Since each conducting portion is configured to follow the contour of the coil ends of the motor, these conducting portions do not protrude into the inside of the stator windings, nor protrude outside the coil ends, and said The insulator is held in a predetermined position. Therefore, when assembling such a motor, it is not necessary to install the lead wires that protrude inside the stator or outside the motor into the motor, thereby making the assembly of the motor easier and shortening the assembly time.

Description

technical field [0001] The invention relates to an electric motor. Background technique [0002] Typically, the connection between the lead ends of the stator windings and the connectors supplying power to the stator windings is achieved by soldering. Image 6 An example of a motor 20 is shown, in which the connection between the lead wires 21U, 21V and 21W of the U, V and W phases of the motor stator winding and the power connector 30 is achieved by welding with a weldment 40 of. The ends of the stator winding leads 21U, 21V and 21W must be moved to the position of the power connector 30 as shown. Furthermore, since the lead wires are flexible, they must be installed in the housing of the motor 20 so that they do not protrude toward the inside of the stator, nor toward the outside of the coil ends of the motor 20 . [0003] In a step prior to soldering, the enamel coating on the ends of the leads is removed by burning and scraping. Problems can arise during this process,...

AI Technical Summary

Problems solved by technology

This will increase the production time of the motor, which is very disadvantageous

[0007] In addition, in the method disclosed in the above-mentioned Japanese Patent Laid-Open No. 2000-69705, since the lead wire can be bent freely, it is necessary to fix the lead wire, which leads to an increase in the production time of the motor.

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