JPH03124750U - - Google Patents
Info
- Publication number
- JPH03124750U JPH03124750U JP14548689U JP14548689U JPH03124750U JP H03124750 U JPH03124750 U JP H03124750U JP 14548689 U JP14548689 U JP 14548689U JP 14548689 U JP14548689 U JP 14548689U JP H03124750 U JPH03124750 U JP H03124750U
- Authority
- JP
- Japan
- Prior art keywords
- light
- circuit network
- photocoupler
- circuit
- receiving element
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Description
第１図は、本発明の一実施例を示す供給電力自
動調節回路図である。
１，２……出力端子、３，４……信号入力端子
、５，６……電圧検出端子、１０……第１回路網
、１１……第２回路網、１２……第３回路網、１
３……電圧検出部、１４……入力回路部、１５…
…全波整流回路、１６……第４回路網、ＶＡＣ…
…商用交流電源、Ｌ……負荷、ＴＨ１……第１の
サイリスタ、ＴＨ２……第２のサイリスタ、ＰＣ
１，ＰＣ２，ＰＣ３……フオトカプラ、ＬＤ１，
ＬＤ２，ＬＤ３……発光ダイオード、ＰＴ１，Ｐ
Ｔ２……フオトトライアツク、Ｔ１……フオトト
ランジスタ、ＺＤ……ツエナーダイオード、Ｄ１
，Ｄ２，Ｄ３，Ｄ４……ダイオード、Ｒ１，Ｒ２
，Ｒ３，Ｒ４，Ｒ５，Ｒ６，Ｒ７……抵抗、Ｃ１
，Ｃ２……コンデンサ。
FIG. 1 is a circuit diagram of an automatic power supply adjustment circuit showing an embodiment of the present invention. 1, 2... Output terminal, 3, 4... Signal input terminal, 5, 6... Voltage detection terminal, 10... First circuit network, 11... Second circuit network, 12... Third circuit network, 1
3... Voltage detection section, 14... Input circuit section, 15...
...Full wave rectifier circuit, 16...Fourth circuit network, VAC...
...Commercial AC power supply, L...Load, TH1...First thyristor, TH2...Second thyristor, PC
1, PC2, PC3...Photocoupler, LD1,
LD2, LD3...Light emitting diode, PT1, P
T2...Phototriax, T1...Phototransistor, ZD...Zener diode, D1
, D2, D3, D4...Diode, R1, R2
, R3, R4, R5, R6, R7...Resistance, C1
, C2... capacitor.
Claims (1)
力端子と、該出力端子間に接続された第１のサイ
リスタを有する第１回路網と、該第１回路網と並
列に接続された第１のフオトカプラの受光側素子
、該受光側素子と直列に接続されたダイオードお
よび抵抗とからなり、該受光側素子と抵抗との接
続点と前記第１回路網の第１のサイリスタのゲー
トとが接続された第２回路網と、前記第１回路網
の第１のサイリスタと逆並列接続された第２のサ
イリスタを有する第３回路網と、該第３回路網と
並列接続され、第２のフオトカプラの受光側素子
、該受光側素子と直列接続されたダイオードおよ
び抵抗とを有し、該受光側素子と抵抗との接続点
と前記第３回路網の第２のサイリスタのゲートと
が接続された第４回路網と、前記交流電源に接続
された整流回路の直流電圧に応じて発光する第３
のフオトカプラの発光側素子を備えた電圧検出部
と、一対の信号入力端子間に第１のフオトカプラ
と第２のフオトカプラの発光側素子および該発光
側素子のいずれか一方に並列に第３のフオトカプ
ラの受光側素子が接続された入力回路部とを備え
たことを特徴とする供給電力自動調節回路。 A first circuit network having a pair of output terminals to which an AC power source and a load are connected in series, a first thyristor connected between the output terminals, and a first circuit network connected in parallel to the first circuit network. The photocoupler includes a light-receiving element, a diode and a resistor connected in series with the light-receiving element, and a connection point between the light-receiving element and the resistor is connected to the gate of the first thyristor of the first circuit network. a third circuit network having a second thyristor connected in antiparallel to the first thyristor of the first circuit network, and a second photocoupler connected in parallel with the third circuit network; a light-receiving element, a diode and a resistor connected in series with the light-receiving element, and a connection point between the light-receiving element and the resistor is connected to the gate of the second thyristor of the third circuit network. a fourth circuit network, and a third circuit that emits light according to the DC voltage of the rectifier circuit connected to the AC power supply.
a voltage detection section having a light-emitting side element of a photocoupler, a light-emitting side element of a first photocoupler and a second photocoupler between a pair of signal input terminals, and a third photocoupler in parallel with either one of the light-emitting side elements. and an input circuit section to which a light-receiving side element is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14548689U JPH03124750U (en) | 1989-12-19 | 1989-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14548689U JPH03124750U (en) | 1989-12-19 | 1989-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03124750U true JPH03124750U (en) | 1991-12-17 |
Family
ID=31692119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14548689U Pending JPH03124750U (en) | 1989-12-19 | 1989-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03124750U (en) |
-
1989
- 1989-12-19 JP JP14548689U patent/JPH03124750U/ja active Pending
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