JPS60160033U - Electric motor protection device - Google Patents

Electric motor protection device

Info

Publication number
JPS60160033U
JPS60160033U JP4866284U JP4866284U JPS60160033U JP S60160033 U JPS60160033 U JP S60160033U JP 4866284 U JP4866284 U JP 4866284U JP 4866284 U JP4866284 U JP 4866284U JP S60160033 U JPS60160033 U JP S60160033U
Authority
JP
Japan
Prior art keywords
protection device
current limiter
electric motor
bimetallic switch
motor
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
JP4866284U
Other languages
Japanese (ja)
Other versions
JPS6334423Y2 (en
Inventor
土屋　紀男
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP4866284U priority Critical patent/JPS60160033U/en
Publication of JPS60160033U publication Critical patent/JPS60160033U/en
Application granted granted Critical
Publication of JPS6334423Y2 publication Critical patent/JPS6334423Y2/ja
Granted 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図は従来の単相誘導電動機の電気回路図、第２図は
この考案の単相誘導電動機の電気回路図、第３図は始動
電流＝ヒータ電流特性図である。 ２０・・・電動機、２１・・・主巻線、２３・・・バイ
メタルスイッチ、２４・・・電流制限器、２８・・・切
換スイッチ、３１・・・二次側コイル、３２・・・ヒー
タ、３３・・・電源。FIG. 1 is an electric circuit diagram of a conventional single-phase induction motor, FIG. 2 is an electric circuit diagram of a single-phase induction motor of this invention, and FIG. 3 is a starting current=heater current characteristic diagram. 20... Electric motor, 21... Main winding, 23... Bimetal switch, 24... Current limiter, 28... Changeover switch, 31... Secondary coil, 32... Heater , 33...Power supply.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電源と、この電源に接続される電動機と、この電動機の
主巻線と前記電源との間に接続される電流制限器および
バイメタルスイッチと、このバイメタルスイッチに近接
して設けられ前記電流制限器の二次側コイルと直列に接
続されると共にこの電流制限器の励磁電流によって前記
バイメタルスイッチを加熱するヒータと、電動機が始動
されてから所定時間経過したのち電流制限器を短絡する
手段とを備えたことを特徴とする電動機の保護装置。a power source, a motor connected to the power source, a current limiter and a bimetallic switch connected between the main winding of the motor and the power source, and a current limiter and a bimetallic switch provided close to the bimetallic switch. A heater connected in series with the secondary coil and heating the bimetallic switch by the excitation current of the current limiter, and means for short-circuiting the current limiter after a predetermined time has elapsed since the motor was started. A protection device for an electric motor characterized by:
JP4866284U 1984-04-03 1984-04-03 Electric motor protection device Granted JPS60160033U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4866284U JPS60160033U (en) 1984-04-03 1984-04-03 Electric motor protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4866284U JPS60160033U (en) 1984-04-03 1984-04-03 Electric motor protection device

Publications (2)

Publication Number Publication Date
JPS60160033U true JPS60160033U (en) 1985-10-24
JPS6334423Y2 JPS6334423Y2 (en) 1988-09-13

Family

ID=30565131

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4866284U Granted JPS60160033U (en) 1984-04-03 1984-04-03 Electric motor protection device

Country Status (1)

Country Link
JP (1) JPS60160033U (en)

Also Published As

Publication number Publication date
JPS6334423Y2 (en) 1988-09-13

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