JPH0461439U - - Google Patents
Info
- Publication number
- JPH0461439U JPH0461439U JP10520590U JP10520590U JPH0461439U JP H0461439 U JPH0461439 U JP H0461439U JP 10520590 U JP10520590 U JP 10520590U JP 10520590 U JP10520590 U JP 10520590U JP H0461439 U JPH0461439 U JP H0461439U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- voltage
- detection
- detection means
- response
- 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 7
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例に係わる電源回路の
構成を示す図、第２図は上記電源回路における電
源電圧Ｖの変動に対する回路各部の動作状態を示
す図である。
１１……電池電源、１２ａ，１２ｂ……電圧検
知器、１３……Ｄフリツプフロツプ、１４ａ，１
４ｂ……オアゲート、１５……電源制御回路、１
６……インバータ、１７……警報部。
FIG. 1 is a diagram showing the configuration of a power supply circuit according to an embodiment of the present invention, and FIG. 2 is a diagram showing the operating state of each part of the circuit with respect to fluctuations in the power supply voltage V in the power supply circuit. 11...Battery power supply, 12a, 12b...Voltage detector, 13...D flip-flop, 14a, 1
4b...OR gate, 15...Power control circuit, 1
6...Inverter, 17...Alarm section.
Claims (1)
号を出力する第１の電圧検知手段と、 上記電源の交換時にオフするスイツチ手段と、 上記第１の電圧検知手段からの検知信号或いは
上記スイツチ手段のオフ動作に応じて上記電源の
供給を遮断する電源遮断手段と、 上記スイツチ手段のオフ動作に応じて上記電源
の供給が遮断された後該スイツチ手段が再びオン
状態になつた時上記電源の電圧が上記所定電圧よ
り高い電圧以上になつたことを検知する第２の電
圧検知手段と、 この第２の電圧検知手段による検知動作に応じ
て上記電源遮断手段による電源供給の遮断状態を
解除する電源遮断解除手段と、 を具備したことを特徴とする電源回路。[Claims for Utility Model Registration] A power supply; a first voltage detection means that outputs a detection signal when the voltage of the power supply becomes less than a predetermined voltage; a switch means that turns off when the power supply is replaced; a power supply cutoff means for cutting off the supply of the power in response to a detection signal from the detection means or an off operation of the switch means; a second voltage detection means for detecting that the voltage of the power supply has become higher than the predetermined voltage when the power supply is turned on again; and shutting off the power supply in response to the detection operation by the second voltage detection means. A power supply circuit comprising: a power supply cutoff release means for releasing a power supply cutoff state caused by the means;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10520590U JPH0461439U (en) | 1990-10-08 | 1990-10-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10520590U JPH0461439U (en) | 1990-10-08 | 1990-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0461439U true JPH0461439U (en) | 1992-05-26 |
Family
ID=31850814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10520590U Pending JPH0461439U (en) | 1990-10-08 | 1990-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0461439U (en) |
-
1990
- 1990-10-08 JP JP10520590U patent/JPH0461439U/ja active Pending