JPS5825523U - Spindle drive motor overheat prevention device - Google Patents

Spindle drive motor overheat prevention device

Info

Publication number
JPS5825523U
JPS5825523U JP11741581U JP11741581U JPS5825523U JP S5825523 U JPS5825523 U JP S5825523U JP 11741581 U JP11741581 U JP 11741581U JP 11741581 U JP11741581 U JP 11741581U JP S5825523 U JPS5825523 U JP S5825523U
Authority
JP
Japan
Prior art keywords
drive motor
spindle drive
prevention device
overheat prevention
motor overheat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11741581U
Other languages
Japanese (ja)
Inventor
浅田　英雄
Original Assignee
日本電気株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP11741581U priority Critical patent/JPS5825523U/en
Publication of JPS5825523U publication Critical patent/JPS5825523U/en
Pending legal-status Critical Current

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  • Protection Of Generators And Motors (AREA)

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) [Abstract] 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図は従来装置を示す図、第２図は本考案の実施例を
示す図である。 １・・・・・・スピンドル駆動モーター、２・・・・・
・コイル、３・・・・・・サーマルプロテクター、３ａ
・・・・・・サーマルプロテクターの接点、４・・・・
・・リレー、４ａ、　　４ｂ・・・・・・リレーの接点
、５・・・・・・進相コンデンサー、６・・・・・・電
流検出器、７・・・・・・判定器、８・・・・・・タイ
マー、９・・・・・・リレー、９ａ・・・・・・リレー
の接点、１０・・・・・・始動・停止信号線。FIG. 1 is a diagram showing a conventional device, and FIG. 2 is a diagram showing an embodiment of the present invention. 1...Spindle drive motor, 2...
・Coil, 3...Thermal protector, 3a
...Thermal protector contacts, 4...
...Relay, 4a, 4b...Relay contact, 5...Phase advance capacitor, 6...Current detector, 7...Judgment device, 8 ...Timer, 9...Relay, 9a...Relay contact, 10...Start/stop signal line.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気ディスク装置におけるスピンドル駆動モーターの過
熱防止装置において、スピンドル駆動モーターを始動し
てから予め定めた時間を検出するタイマーと、前記スピ
ンドル駆動モーターに流れる電流を検出する手段とを含
み、前記予め定めた時間を検出後、前記検出手段が規定
以上の電流である場合に前記スピンドル駆動モーターへ
の電源を切断するようにしたことを特徴とするスピンド
ル駆動モーターの過熱防止装置。An overheat prevention device for a spindle drive motor in a magnetic disk device, comprising: a timer for detecting a predetermined time after starting the spindle drive motor; and means for detecting a current flowing through the spindle drive motor; 1. An overheat prevention device for a spindle drive motor, characterized in that, after detecting a time, if the detection means detects a current exceeding a specified value, power to the spindle drive motor is cut off.
JP11741581U 1981-08-07 1981-08-07 Spindle drive motor overheat prevention device Pending JPS5825523U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11741581U JPS5825523U (en) 1981-08-07 1981-08-07 Spindle drive motor overheat prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11741581U JPS5825523U (en) 1981-08-07 1981-08-07 Spindle drive motor overheat prevention device

Publications (1)

Publication Number Publication Date
JPS5825523U true JPS5825523U (en) 1983-02-18

Family

ID=29911593

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11741581U Pending JPS5825523U (en) 1981-08-07 1981-08-07 Spindle drive motor overheat prevention device

Country Status (1)

Country Link
JP (1) JPS5825523U (en)

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