JPS58193767U - Induction motor starting protection device - Google Patents

Induction motor starting protection device

Info

Publication number
JPS58193767U
JPS58193767U JP8756182U JP8756182U JPS58193767U JP S58193767 U JPS58193767 U JP S58193767U JP 8756182 U JP8756182 U JP 8756182U JP 8756182 U JP8756182 U JP 8756182U JP S58193767 U JPS58193767 U JP S58193767U
Authority
JP
Japan
Prior art keywords
motor
protection device
overload relay
induction motor
thermistor element
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.)
Granted
Application number
JP8756182U
Other languages
Japanese (ja)
Other versions
JPH028539Y2 (en
Inventor
隆 小林
鹿間　隆
山本　朝之
Original Assignee
株式会社村田製作所
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 株式会社村田製作所 filed Critical 株式会社村田製作所
Priority to JP8756182U priority Critical patent/JPS58193767U/en
Publication of JPS58193767U publication Critical patent/JPS58193767U/en
Application granted granted Critical
Publication of JPH028539Y2 publication Critical patent/JPH028539Y2/ja
Granted legal-status Critical Current

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  • Induction Machinery (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 drawings]

第１図および第２図は夫々従来の誘導電動機の起動保護
装置の説明図、第３図は本考案に係る誘導電動機の起動
保護装置の断面図、第４図は第３図の誘導電動機の起動
保護装置の等価回路図、第５図はｐｓｃモータの起動保
護装置による駆動回路図である。 ２１・・・オーバロードリレー、２２・・・正特性サー
ミスタ素子、２３・・・外装ケース、２４・・・支持部
材、２５・・・電動機、３９．４０・・・収容部、５０
・・・連通孔。1 and 2 are explanatory diagrams of a conventional starting protection device for an induction motor, respectively, FIG. 3 is a cross-sectional view of the starting protection device for an induction motor according to the present invention, and FIG. 4 is an illustration of a starting protection device for an induction motor shown in FIG. FIG. 5 is an equivalent circuit diagram of the starting protection device, and FIG. 5 is a drive circuit diagram of the psc motor using the starting protection device. DESCRIPTION OF SYMBOLS 21... Overload relay, 22... Positive temperature coefficient thermistor element, 23... Exterior case, 24... Support member, 25... Electric motor, 39.40... Accommodating part, 50
...Communication hole.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）一つの外装ケース内に正特性サーミスタ素子とオ
ーバロードリレーとを収容して電動機に取り付け、正特
性サーミスタ素子により上記電動機に起動電流を流して
起動するとともに上記電動機に流れる過電流を上記オー
バロードリレーにより遮断するようにした電動機の起動
保護装置において、上記オーバロードリレーが電動機と
正特性サーミスタ素子との間に配されるようにしたこと
を特徴とする誘導電動機の起動保護装置。(1) A positive temperature coefficient thermistor element and an overload relay are housed in one exterior case and attached to the motor, and the positive temperature coefficient thermistor element causes a starting current to flow through the motor to start it, and at the same time, the overcurrent flowing through the motor is 1. A start-up protection device for an induction motor which is configured to be interrupted by an overload relay, characterized in that the overload relay is disposed between the motor and a positive temperature coefficient thermistor element. （２）上記外装ケースはオーバロードリレーの収容部分
と正特性サーミスタ素子の収容部分とが相互に連通ずる
一方、オーバロードリレーの収容部分は電動機の外装ケ
ース取付面に対面することを特徴とする実用新案登録請
求の範囲第１項記載の誘導電動機の起動保護装置。(2) The exterior case is characterized in that the housing portion for the overload relay and the housing portion for the PTC thermistor element communicate with each other, while the housing portion for the overload relay faces the mounting surface of the exterior case of the motor. A starting protection device for an induction motor according to claim 1 of the utility model registration claim.
JP8756182U 1982-06-11 1982-06-11 Induction motor starting protection device Granted JPS58193767U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8756182U JPS58193767U (en) 1982-06-11 1982-06-11 Induction motor starting protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8756182U JPS58193767U (en) 1982-06-11 1982-06-11 Induction motor starting protection device

Publications (2)

Publication Number Publication Date
JPS58193767U true JPS58193767U (en) 1983-12-23
JPH028539Y2 JPH028539Y2 (en) 1990-02-28

Family

ID=30096268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8756182U Granted JPS58193767U (en) 1982-06-11 1982-06-11 Induction motor starting protection device

Country Status (1)

Country Link
JP (1) JPS58193767U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5257914A (en) * 1975-10-21 1977-05-12 Gen Electric Combination start protector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5257914A (en) * 1975-10-21 1977-05-12 Gen Electric Combination start protector

Also Published As

Publication number Publication date
JPH028539Y2 (en) 1990-02-28

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