JPS6143766U - Motor cooling system - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案を具体化した実施例の一部を破断して示
す正面図、第２図はその実施例の一部を破断して示す側
面図である。 図中、１はモータ外箱、２ａ，３ａは放熱フィン、２ｂ
，３ｂは環状突部、６はステータ、８はモータ軸、９は
通風路、１６は制御箱、１７，１８は取付腕、２１．２
２は連通口、２４は吸気口、２５は羽根車である。FIG. 1 is a partially cutaway front view of an embodiment embodying the present invention, and FIG. 2 is a partially cutaway side view of the embodiment. In the figure, 1 is the motor outer box, 2a and 3a are radiation fins, and 2b
, 3b is an annular projection, 6 is a stator, 8 is a motor shaft, 9 is a ventilation passage, 16 is a control box, 17 and 18 are mounting arms, 21.2
2 is a communication port, 24 is an intake port, and 25 is an impeller.

Claims (1)

【実用新案登録請求の範囲】 １ モータ外箱１の外周に、モータ制御用の回路素子を
内蔵する制御箱１６を取付けたモータにおいて、モータ
外箱１と、その外箱１に内蔵したステータ６外周との間
にモータの軸線方向両端において開放した通風路９を形
成すると共にその通風路９の一端開放面と対向してモー
タ軸８により回転される羽根車２５を設け、前記制御箱
１６とモータ外箱１との対向面にそれぞれ連通口２１．
２２を設け、また制御箱１６の他の面に前記連通口２１
．２２と制御箱１６内の空間を通して対向する吸気口２
４を設けたことを特徴とするモータの冷却装置。 ２ 前記モータ外箱１は外周にモータの軸線方向に延び
る複数の放熱フィン２ａ，３ａを有すると共に、前記連
通口２１．２２を囲む軸線方向両端に前記放熱フィン２
ａ，３ａとほぼ同じ高さの環状突部２ｂ，３ｂを有し、
前記制御箱−１６とモータ外箱１とのいずれか一方に前
記連通口２１．２２を囲むようにモータ円周方向両端か
ら制御箱１６の取付用腕１７．１８を突出して設けた実
用新案登録請求の範囲第１項に記載のモータの冷却装置
。[Claims for Utility Model Registration] 1. A motor in which a control box 16 containing circuit elements for motor control is attached to the outer periphery of the motor outer box 1, the motor outer box 1 and the stator 6 built into the outer box 1. A ventilation passage 9 which is open at both ends in the axial direction of the motor is formed between the outer circumference of the motor and an impeller 25 that is rotated by the motor shaft 8 is provided opposite to the open end surface of the ventilation passage 9. A communication port 21 is provided on the surface facing the motor outer box 1, respectively.
22, and the communication port 21 is provided on the other side of the control box 16.
．． 22 and the intake port 2 facing each other through the space inside the control box 16
4. A motor cooling device characterized in that a motor cooling device is provided. 2 The motor outer box 1 has a plurality of heat radiation fins 2a and 3a extending in the axial direction of the motor on its outer periphery, and the heat radiation fins 2 are provided at both ends in the axial direction surrounding the communication openings 21 and 22.
It has annular protrusions 2b and 3b having approximately the same height as a and 3a,
Utility model registration in which mounting arms 17 and 18 for the control box 16 are provided on either the control box 16 and the motor outer box 1 so as to protrude from both ends in the circumferential direction of the motor so as to surround the communication port 21 and 22. A motor cooling device according to claim 1.