JPS6321436U - - Google Patents
Info
- Publication number
- JPS6321436U JPS6321436U JP11319886U JP11319886U JPS6321436U JP S6321436 U JPS6321436 U JP S6321436U JP 11319886 U JP11319886 U JP 11319886U JP 11319886 U JP11319886 U JP 11319886U JP S6321436 U JPS6321436 U JP S6321436U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- photocoupler
- output
- secondary coil
- power transformer
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Protection Of Transformers (AREA)
Description
第１図は、この考案の一実施例を示す電源回路
の接続図、第２図は、同実施例回路に使用される
リレー駆動回路の具体例を示す回路図である。
４：電源トランス、５ａ，５ｂ…５ｎ―１，５
ｎ：整流回路、６ａ，６ｂ…：電流制限抵抗、７
ａ，７ｂ，７ｂ′…：ツエナ・ダイオード、１０
ａ，１０ｂ，１０ｂ′…：ホトカプラ、１４：オ
ア回路、１５：リレー駆動回路。
FIG. 1 is a connection diagram of a power supply circuit showing an embodiment of this invention, and FIG. 2 is a circuit diagram showing a specific example of a relay drive circuit used in the circuit of the embodiment. 4: Power transformer, 5a, 5b...5n-1, 5
n: rectifier circuit, 6a, 6b...: current limiting resistor, 7
a, 7b, 7b'...: Zena diode, 10
a, 10b, 10b'...: Photocoupler, 14: OR circuit, 15: Relay drive circuit.
Claims (1)
スと、２次コイルに接続される整流回路と、この
整流回路の出力端と基準電位端間に接続される電
流制限素子、定電圧素子及びホトカプラの直列回
路と、このホトカプラ出力をトランス保護信号と
する保護信号出力回路とからなる電源トランス保
護回路。 A power transformer having a primary coil and a secondary coil, a rectifier circuit connected to the secondary coil, and a current limiting element, a constant voltage element, and a photocoupler connected in series between the output terminal of the rectifying circuit and a reference potential terminal. A power transformer protection circuit consisting of a circuit and a protection signal output circuit that uses this photocoupler output as a transformer protection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11319886U JPS6321436U (en) | 1986-07-22 | 1986-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11319886U JPS6321436U (en) | 1986-07-22 | 1986-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6321436U true JPS6321436U (en) | 1988-02-12 |
Family
ID=30994767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11319886U Pending JPS6321436U (en) | 1986-07-22 | 1986-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6321436U (en) |
-
1986
- 1986-07-22 JP JP11319886U patent/JPS6321436U/ja active Pending