JPS6079841U - Switching circuit for inductive loads - Google Patents
Switching circuit for inductive loadsInfo
- Publication number
- JPS6079841U JPS6079841U JP17263183U JP17263183U JPS6079841U JP S6079841 U JPS6079841 U JP S6079841U JP 17263183 U JP17263183 U JP 17263183U JP 17263183 U JP17263183 U JP 17263183U JP S6079841 U JPS6079841 U JP S6079841U
- Authority
- JP
- Japan
- Prior art keywords
- optical coupling
- thyristor
- circuit
- inductive load
- switching circuit
- 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)
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Ａは従来のＤＣコイル制御回路の要部回路図、第
１図Ｂは同Ａの各部波形図、第２図Ａは本考案による誘
導性負荷のスイッチング回路の要部回路図、第２図Ｂは
同Ａの各部波形因を示す。
図において１と２は光結合素子、３と４は電源、５は主
電源、６は誘導性負荷、ｐ−ｐ’とＱ−Ｑ′は論理信号
を入力する２系統の入力回路、ＳＣＲはサイリスタ Ｔ
ｒはスイッチングトランジスタ、Ｄ□とＤ２はダイオー
ド、を示す。FIG. 1A is a circuit diagram of the main part of a conventional DC coil control circuit, FIG. Figure 2B shows the waveform factors of each part of Figure 2A. In the figure, 1 and 2 are optical coupling elements, 3 and 4 are power supplies, 5 is a main power supply, 6 is an inductive load, pp' and Q-Q' are two input circuits for inputting logic signals, and SCR is Thyristor T
r represents a switching transistor, and D□ and D2 represent diodes.
Claims (1)
のそれぞれに接続される光結合素子と、一方の光結合素
子の出力にて制御されるサイリスタと、該サイリスタに
よりスイツチ−ングが行われ゛ る誘導性負荷と、該誘
導性負荷と前記サイリスタとの直列回路に流れる主電流
のスイッチングを行うスイッチングトランジスタとを含
み、他方の光結合素子により前記スイッチングトランジ
スタを制御する回路構成において、前記他方の光結合素
子の入力側に前記論理信号のパルス幅を所要時間短縮す
るパルス幅短縮回路を設けたことを特徴とする誘導性負
荷のスイッチング回路。Two systems of input circuits into which logic signals are input, optical coupling elements connected to each of the input circuits, a thyristor controlled by the output of one of the optical coupling elements, and switching performed by the thyristor. The circuit configuration includes an inductive load and a switching transistor that switches a main current flowing in a series circuit of the inductive load and the thyristor, and the switching transistor is controlled by the other optical coupling element. A switching circuit for an inductive load, characterized in that a pulse width shortening circuit is provided on the input side of the other optical coupling element to shorten the pulse width of the logic signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17263183U JPS6079841U (en) | 1983-11-07 | 1983-11-07 | Switching circuit for inductive loads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17263183U JPS6079841U (en) | 1983-11-07 | 1983-11-07 | Switching circuit for inductive loads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6079841U true JPS6079841U (en) | 1985-06-03 |
Family
ID=30376261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17263183U Pending JPS6079841U (en) | 1983-11-07 | 1983-11-07 | Switching circuit for inductive loads |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6079841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011199583A (en) * | 2010-03-19 | 2011-10-06 | Toshiba Corp | Multiplexed signal selective output system |
-
1983
- 1983-11-07 JP JP17263183U patent/JPS6079841U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011199583A (en) * | 2010-03-19 | 2011-10-06 | Toshiba Corp | Multiplexed signal selective output system |
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