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Busbar terminal, busbar unit, and motor

A technology of electric motors and busbars, which is applied in the direction of electric components, electrical components, electromechanical devices, etc., and can solve problems such as small connection areas and disconnection of connections

Inactive Publication Date: 2011-02-02
NIDEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, when the motor is installed under severe usage conditions such as high-frequency vibration, if the connection area of ​​the hook portion of the bus bar terminal connected to the wire wired on the armature side of the motor is small, there is a possibility that the connection will be disconnected. possibility of

Method used

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  • Busbar terminal, busbar unit, and motor
  • Busbar terminal, busbar unit, and motor
  • Busbar terminal, busbar unit, and motor

Examples

Experimental program
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Embodiment approach

[0023] 【Structural components of busbar unit】

[0024] figure 1 It is a side cross-sectional view schematically showing the brushless motor M according to the first preferred embodiment of the present invention. The brushless motor M is composed of a stator ST, a rotor R, a shaft SH, and a bus bar unit B. As shown in FIG.

[0025] The brushless motor M is installed in various directions according to usage conditions. In the following description, for the convenience of description, in the direction parallel to the rotation axis A, figure 1 The above is defined as the upper side of the axial direction, and in the direction parallel to the axis of rotation A, figure 1 Below is defined as the lower side of the axis. And, among the directions perpendicular to the rotation axis A, a direction closer to the rotation axis A is defined as the radially inner side, and among the directions perpendicular to the rotation axis A, a direction away from the rotation axis A is defined as ...

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PUM

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Abstract

Provided is a technique in which the power supply and the armature of a motor are electrically connected to each other even under severe use conditions. Bus bar terminals (211, 221, 231), to which conduction lines (5) for supplying a drive current to the armature of the motor are connected, include terminal blocks (41, 61) having through-holes (43, 63) through which the conduction lines (5) extend and terminal walls (42, 62) rising from the terminal blocks (41, 61) at the peripheral edges of the through-holes (43, 63), respectively.

Description

technical field [0001] The present invention relates to the technology of a bus bar terminal electrically connected to a power source and an armature of an electric motor. Background technique [0002] In recent years, a bus bar unit that supplies a drive current to an armature of a motor has been proposed. The busbar unit electrically connects the power supply of the motor to the armature. [0003] Examples of prior art documents disclosing the above-described busbar unit include the publications shown below. [0004] For example, Japanese Utility Model Publication No. 2-5647 discloses a busbar unit including busbar terminals. In addition, Japanese Utility Model Publication No. 2-5647 discloses a structure in which lead wires wired on the armature side of the motor and hook-shaped portions of the bus terminal are welded. [0005] Patent Document 1: Japanese Publication No. 2-5647 [0006] However, when the motor is installed under severe usage conditions such as high-fr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K5/22H02K3/52
CPCH02K3/522H02K2203/09H02K5/225
Inventor 片冈央中西庆太
Owner NIDEC CORP