JPS589098U - Motor operation control device - Google Patents

Motor operation control device

Info

Publication number
JPS589098U
JPS589098U JP1981103509U JP10350981U JPS589098U JP S589098 U JPS589098 U JP S589098U JP 1981103509 U JP1981103509 U JP 1981103509U JP 10350981 U JP10350981 U JP 10350981U JP S589098 U JPS589098 U JP S589098U
Authority
JP
Japan
Prior art keywords
motor
operating current
operation control
control device
characteristic
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
JP1981103509U
Other languages
Japanese (ja)
Inventor
勇崎　恒夫
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP1981103509U priority Critical patent/JPS589098U/en
Publication of JPS589098U publication Critical patent/JPS589098U/en
Pending legal-status Critical Current

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  • Control Of Ac Motors In General (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) [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図は冷凍装置の冷媒回路系統図、第２図は従来の冷
媒圧縮機の運転制御回路図、第３図は冷凍装置の冷媒サ
イクルにおける圧力−エンタルピ線図、第４図は本考案
の１実施例による運転制御回路図である。 モータ・・・Ｍ１検知装置・・・１００、切換装置・・
・０２４゜Fig. 1 is a refrigerant circuit diagram of a refrigeration system, Fig. 2 is an operation control circuit diagram of a conventional refrigerant compressor, Fig. 3 is a pressure-enthalpy diagram in the refrigerant cycle of a refrigeration system, and Fig. 4 is a diagram of the system of the present invention. FIG. 3 is an operation control circuit diagram according to one embodiment. Motor...M1 detection device...100, switching device...
・024°

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 高負荷用特性と低負荷用特性を有するモータにおいて、
該モータの運転電流値を検知する検知装置と、該検知装
置からの信号を受けて該モーターの特性を切換える切換
装置要具え、モータの運転電流が所定値以上になったと
き上記検知装置からの信号によりモータの特性を高負荷
用特性に切換え、モータの運転電流が所定値以下になっ
たとき上記検知装置からの信号によりモータの特性を低
負荷用特性に切換えるようにし勾ことを特徴とするモー
タの運転制御装置。In motors with high load characteristics and low load characteristics,
A detection device that detects the operating current value of the motor, and a switching device that switches the characteristics of the motor in response to a signal from the detection device, and when the operating current of the motor exceeds a predetermined value, the switching device detects the operating current value of the motor. The motor characteristic is switched to a high load characteristic by a signal, and when the operating current of the motor becomes less than a predetermined value, the motor characteristic is switched to a low load characteristic by a signal from the detection device. Motor operation control device.
JP1981103509U 1981-07-13 1981-07-13 Motor operation control device Pending JPS589098U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981103509U JPS589098U (en) 1981-07-13 1981-07-13 Motor operation control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981103509U JPS589098U (en) 1981-07-13 1981-07-13 Motor operation control device

Publications (1)

Publication Number Publication Date
JPS589098U true JPS589098U (en) 1983-01-20

Family

ID=29898120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981103509U Pending JPS589098U (en) 1981-07-13 1981-07-13 Motor operation control device

Country Status (1)

Country Link
JP (1) JPS589098U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63144789A (en) * 1986-12-09 1988-06-16 Minolta Camera Co Ltd Motor controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63144789A (en) * 1986-12-09 1988-06-16 Minolta Camera Co Ltd Motor controller

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