JPS5875498U - Motor speed control circuit - Google Patents
Motor speed control circuitInfo
- Publication number
- JPS5875498U JPS5875498U JP1981170998U JP17099881U JPS5875498U JP S5875498 U JPS5875498 U JP S5875498U JP 1981170998 U JP1981170998 U JP 1981170998U JP 17099881 U JP17099881 U JP 17099881U JP S5875498 U JPS5875498 U JP S5875498U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- control
- circuit
- control circuit
- motor speed
- 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
Links
Landscapes
- Electronic Switches (AREA)
- Control Of Electric Motors In General (AREA)
- 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
第1図は従来の電気回路図、第2図は本案一実施例の電
気回路図、第3図は同実施例の動作説明図で、イは発振
回路Aの出力特性を、口はフォトカプラPCの動作特性
を、ハは開閉素子SCRの動作特性を、二はモータFM
の動作特性をそれぞれ示す。
SCR・・・制御極付半導体開閉素子、Ql・・・スイ
ッチング素子、PC・・・フォトカプラ、A・・・発振
回路、B′・・・室温制御回路(フォトトランジスタ制
御回路)、FM・・・モータ。Fig. 1 is a conventional electric circuit diagram, Fig. 2 is an electric circuit diagram of an embodiment of the present invention, and Fig. 3 is an explanatory diagram of the operation of the same embodiment. The operating characteristics of the PC, C the operating characteristics of the switching element SCR, and the second the motor FM.
The operating characteristics of each are shown below. SCR...Semiconductor switching element with control pole, Ql...Switching element, PC...Photocoupler, A...Oscillation circuit, B'...Room temperature control circuit (phototransistor control circuit), FM... ·motor.
Claims (1)
モータと、前記制御極付半導体開閉素子の制御極に接続
され制御極へのトリガ印加を制御するスイッチング素子
と、所定幅所定周期のパルスを出力する発振回路と、該
発振回路の出力端と前記スイッチング素子の入力端との
間に接続されるフォトトランジスタと、該フォトトラン
ジスタの導通を制御するフォトトランジスタ制御回路と
からなるモータの速度制御回路。a motor connected to an AC power supply via a semiconductor switching element with a control pole; a switching element connected to the control pole of the semiconductor switching element with a control pole to control application of a trigger to the control pole; and a pulse with a predetermined width and a predetermined period. a motor speed control circuit comprising: an oscillation circuit that outputs a oscillation circuit; a phototransistor connected between an output terminal of the oscillation circuit and an input terminal of the switching element; and a phototransistor control circuit that controls conduction of the phototransistor. circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981170998U JPS5875498U (en) | 1981-11-16 | 1981-11-16 | Motor speed control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981170998U JPS5875498U (en) | 1981-11-16 | 1981-11-16 | Motor speed control circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5875498U true JPS5875498U (en) | 1983-05-21 |
Family
ID=29962939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981170998U Pending JPS5875498U (en) | 1981-11-16 | 1981-11-16 | Motor speed control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5875498U (en) |
-
1981
- 1981-11-16 JP JP1981170998U patent/JPS5875498U/en active Pending
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