JPS63159412U - - Google Patents
Info
- Publication number
- JPS63159412U JPS63159412U JP5009887U JP5009887U JPS63159412U JP S63159412 U JPS63159412 U JP S63159412U JP 5009887 U JP5009887 U JP 5009887U JP 5009887 U JP5009887 U JP 5009887U JP S63159412 U JPS63159412 U JP S63159412U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply circuit
- relay contact
- relay
- zener diode
- 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
- Control Of Electrical Variables (AREA)
Description
第1図はこの考案の一実施例を示す図、第2図
は従来の電源回路を示す図である。
図において1は電気回路、2はリレー接点、3
はリレーコイル、4は入力コネクタ、5は別電源
入力コネクタ、6〜9は抵抗器、10は電圧比較
器、及び11はツエナーダイオードである。なお
図中同一あるいは相当部分には同一符号を付して
示してある。
FIG. 1 is a diagram showing an embodiment of this invention, and FIG. 2 is a diagram showing a conventional power supply circuit. In the figure, 1 is an electric circuit, 2 is a relay contact, and 3
1 is a relay coil, 4 is an input connector, 5 is another power supply input connector, 6 to 9 are resistors, 10 is a voltage comparator, and 11 is a Zener diode. In the drawings, the same or corresponding parts are denoted by the same reference numerals.
Claims (1)
トを経由して電気回路に供給する電源回路におい
て、逆方向電圧が印加されるような極性で上記リ
レーコンタクトを制御するリレーコイルにツエナ
ダイオードを直列接続したことを特徴とする電源
回路。 In a power supply circuit that supplies DC voltage applied from the outside to an electric circuit via a relay contact, a Zener diode is connected in series with a relay coil that controls the relay contact with polarity such that a reverse voltage is applied. A power supply circuit featuring:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5009887U JPS63159412U (en) | 1987-04-02 | 1987-04-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5009887U JPS63159412U (en) | 1987-04-02 | 1987-04-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63159412U true JPS63159412U (en) | 1988-10-19 |
Family
ID=30873143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5009887U Pending JPS63159412U (en) | 1987-04-02 | 1987-04-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63159412U (en) |
-
1987
- 1987-04-02 JP JP5009887U patent/JPS63159412U/ja active Pending