JPH0366271U - - Google Patents
Info
- Publication number
- JPH0366271U JPH0366271U JP12392789U JP12392789U JPH0366271U JP H0366271 U JPH0366271 U JP H0366271U JP 12392789 U JP12392789 U JP 12392789U JP 12392789 U JP12392789 U JP 12392789U JP H0366271 U JPH0366271 U JP H0366271U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- output
- load
- relay
- power source
- 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 4
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Television Receiver Circuits (AREA)
Description
第１図はこの考案の一実施例による電源回路を
示すブロツク図、第２図は従来の電源回路を示す
ブロツク図である。
図において、１……交流電源、６……リレー、
２０……サイリスタ（動作停止手段）、２１……
ツエナーダイオード（電圧検出手段）である。な
お、図中、同符号は同一または相当部分を示す。
FIG. 1 is a block diagram showing a power supply circuit according to an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional power supply circuit. In the figure, 1... AC power supply, 6... Relay,
20... Thyristor (operation stopping means), 21...
This is a Zener diode (voltage detection means). In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
るリレーと、 前記リレー接点を介して前記交流電源から供給
された交流電圧を一定の出力直流電圧に変換して
負荷に供給する交直変換回路と、 前記出力直流電圧の異常上昇を検出する電圧検
出手段と、 前記電圧検出手段からの検出信号を受信するこ
とにより、前記リレーを不作動にして前記負荷に
対する出力直流電圧の供給を停止させる動作停止
手段とを備えた電源回路。[Claims for Utility Model Registration] A relay that opens and closes a relay contact provided in the output path of an AC power source, and a load that converts the AC voltage supplied from the AC power source through the relay contact into a constant output DC voltage. an AC/DC converter circuit that supplies the output DC voltage to the load; voltage detection means for detecting an abnormal increase in the output DC voltage; and receiving a detection signal from the voltage detection means to deactivate the relay and reduce the output DC voltage to the load. and an operation stop means for stopping the supply of the power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12392789U JPH0366271U (en) | 1989-10-23 | 1989-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12392789U JPH0366271U (en) | 1989-10-23 | 1989-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0366271U true JPH0366271U (en) | 1991-06-27 |
Family
ID=31671877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12392789U Pending JPH0366271U (en) | 1989-10-23 | 1989-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0366271U (en) |
-
1989
- 1989-10-23 JP JP12392789U patent/JPH0366271U/ja active Pending