JPS5969699U - AC motor rotation speed control device - Google Patents

AC motor rotation speed control device

Info

Publication number
JPS5969699U
JPS5969699U JP1982165373U JP16537382U JPS5969699U JP S5969699 U JPS5969699 U JP S5969699U JP 1982165373 U JP1982165373 U JP 1982165373U JP 16537382 U JP16537382 U JP 16537382U JP S5969699 U JPS5969699 U JP S5969699U
Authority
JP
Japan
Prior art keywords
control device
rotation speed
speed control
motor rotation
voltage
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
JP1982165373U
Other languages
Japanese (ja)
Inventor
俊男 荻原
Original Assignee
萩原　俊男
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 萩原　俊男 filed Critical 萩原　俊男
Priority to JP1982165373U priority Critical patent/JPS5969699U/en
Publication of JPS5969699U publication Critical patent/JPS5969699U/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図は従来装置の制御回路図、第２図はこの回路動作
図、−第３図は本考案装置の実施例を示す制御回路図、
第４図はこの回路動作図である。 ２・・・制御極材温開閉素子、３・・・交流電動機、４
・・・交流電源、６・・・電圧比較手段（電圧比較器）
、７・・・トリガパルス発生手段（マイクロコンピユー
　　　゛り）、９・・・ドライブ手段（バッファ）。FIG. 1 is a control circuit diagram of a conventional device, FIG. 2 is an operation diagram of this circuit, and FIG. 3 is a control circuit diagram showing an embodiment of the device of the present invention.
FIG. 4 is an operational diagram of this circuit. 2... Control pole material temperature switching element, 3... AC motor, 4
... AC power supply, 6 ... Voltage comparison means (voltage comparator)
, 7...Trigger pulse generation means (microcomputer), 9...Drive means (buffer).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交流電源間に直列接続された交流電動機及び制御極付交
流開閉素子と、該素子の両生極間電圧を比較しこの電圧
零の時出力が反転する電圧比較手段と、該手段の反転出
力を検出して交流波形の所定周期分だけドライブ手段を
介して前記制御極付交流開閉素子を点弧するトリガパル
ス発生手段と・　から構成してなる交流電動機の回転数
制御装置。An AC motor and an AC switching element with control poles connected in series between AC power sources, a voltage comparison means that compares the voltage between the two poles of the element and inverts the output when the voltage is zero, and detects the inverted output of the means. and trigger pulse generating means for igniting the AC switching element with a control pole via a drive means for a predetermined period of an AC waveform.
JP1982165373U 1982-10-30 1982-10-30 AC motor rotation speed control device Pending JPS5969699U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982165373U JPS5969699U (en) 1982-10-30 1982-10-30 AC motor rotation speed control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982165373U JPS5969699U (en) 1982-10-30 1982-10-30 AC motor rotation speed control device

Publications (1)

Publication Number Publication Date
JPS5969699U true JPS5969699U (en) 1984-05-11

Family

ID=30362327

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982165373U Pending JPS5969699U (en) 1982-10-30 1982-10-30 AC motor rotation speed control device

Country Status (1)

Country Link
JP (1) JPS5969699U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4867713A (en) * 1971-12-20 1973-09-17
JPS5449059A (en) * 1977-09-27 1979-04-18 Nec Corp Ac zero-volt switch circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4867713A (en) * 1971-12-20 1973-09-17
JPS5449059A (en) * 1977-09-27 1979-04-18 Nec Corp Ac zero-volt switch circuit

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