JPH028229U - - Google Patents
Info
- Publication number
- JPH028229U JPH028229U JP8513388U JP8513388U JPH028229U JP H028229 U JPH028229 U JP H028229U JP 8513388 U JP8513388 U JP 8513388U JP 8513388 U JP8513388 U JP 8513388U JP H028229 U JPH028229 U JP H028229U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- control signal
- switching element
- high voltage
- drive 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
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示す回路図である
。
１……低圧制御信号発生回路、２……発光回路
、３……受光回路、４……高圧駆動回路、５……
高圧回路用スイツチング素子、６……発光量温度
補償回路、７……発光素子、８……受光量温度補
償回路、９……受光素子、１０……電圧リミツタ
、１１……光結合モジユール、１２……受光素子
出力抵抗、１３……光結合モジユール出力端子間
容量。
FIG. 1 is a circuit diagram showing an embodiment of the present invention. 1...Low voltage control signal generation circuit, 2...Light emitting circuit, 3...Light receiving circuit, 4...High voltage drive circuit, 5...
Switching element for high voltage circuit, 6... Emission amount temperature compensation circuit, 7... Light emitting element, 8... Light receiving amount temperature compensation circuit, 9... Light receiving element, 10... Voltage limiter, 11... Optical coupling module, 12 ...Photodetector output resistance, 13...Capacitance between optical coupling module output terminals.
Claims (1)
スイツチング素子の導通・非導通を制御する低圧
制御信号発生回路、前記低圧制御信号に基づいて
前記スイツチング素子を駆動する高圧駆動回路、
及び、前記低圧制御信号発生回路側に制御信号に
よつて動作する発光回路をもち、かつ、前記高圧
駆動回路側に受光回路をもち高低圧間の絶縁を確
保しながら前記制御信号を光伝送する光結合モジ
ユールから成る、高圧回路用スイツチング素子駆
動回路において、 前記光結合モジユールの前記受光回路に、ある
一定の出力以上を制限するリミツタ回路を設けた
ことを特徴とする、高圧回路用スイツチング素子
の駆動回路。[Claims for Utility Model Registration] A switching element connected to a high voltage circuit, a low voltage control signal generation circuit that controls conduction/non-conduction of the switching element, and a high voltage drive circuit that drives the switching element based on the low voltage control signal. ,
and a light emitting circuit operated by the control signal on the low voltage control signal generation circuit side, and a light receiving circuit on the high voltage drive circuit side, and optically transmits the control signal while ensuring insulation between high and low voltages. A switching element drive circuit for a high voltage circuit comprising an optical coupling module, characterized in that the light receiving circuit of the optical coupling module is provided with a limiter circuit that limits an output above a certain level. drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8513388U JPH028229U (en) | 1988-06-29 | 1988-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8513388U JPH028229U (en) | 1988-06-29 | 1988-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH028229U true JPH028229U (en) | 1990-01-19 |
Family
ID=31309809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8513388U Pending JPH028229U (en) | 1988-06-29 | 1988-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH028229U (en) |
-
1988
- 1988-06-29 JP JP8513388U patent/JPH028229U/ja active Pending
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