JPS6381626U - - Google Patents
Info
- Publication number
- JPS6381626U JPS6381626U JP17483086U JP17483086U JPS6381626U JP S6381626 U JPS6381626 U JP S6381626U JP 17483086 U JP17483086 U JP 17483086U JP 17483086 U JP17483086 U JP 17483086U JP S6381626 U JPS6381626 U JP S6381626U
- Authority
- JP
- Japan
- Prior art keywords
- switching transistors
- sensors
- power supply
- controlled
- control power
- 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 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Alarm Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案による集中警報装置の一実施例
を示す回路図、第２図は従来の集中警報装置の回
路図である。
３０７′，３０８′，３０９′……保持回路、
３１０……リセツト回路。
FIG. 1 is a circuit diagram showing an embodiment of a centralized alarm device according to the present invention, and FIG. 2 is a circuit diagram of a conventional centralized alarm device. 307', 308', 309'...holding circuit,
310...Reset circuit.
Claims (1)
に配設された複数の警報器２０１〜２０３に夫々
直列接続され、かつ前記複数のセンサ１０１〜１
０３の各出力に応じて夫々開閉制御される複数の
スイツチングトランジスタ３０１〜３０３により
、前記複数の警報器２０１〜２０３への給電を夫
々制御すると共に、前記複数のスイツチングトラ
ンジスタ３０１〜３０３に過電流が流れたときに
、該複数のスイツチングトランジスタ３０１〜３
０３に対応して夫々設けられた過電流検出回路３
０４〜３０６の各出力を記憶保持する保持回路３
０７′〜３０９′の各出力により、前記複数のス
イツチングトランジスタ３０１〜３０３に過電流
が流れないように該複数のスイツチングトランジ
スタ３０１〜３０３を夫々開状態に制御してなる
集中警報装置であつて、前記各保持回路３０７′
〜３０９′の出力を所定時間毎にリセツトするリ
セツト回路を有することを特徴とする集中警報装
置。 Each of the plurality of sensors 101 to 1 is connected in series to a plurality of alarm devices 201 to 203 centrally arranged corresponding to the plurality of sensors 101 to 103, and
A plurality of switching transistors 301 to 303, which are controlled to open and close according to the respective outputs of 03, control power supply to the plurality of alarm devices 201 to 203, respectively, and also control power supply to the plurality of switching transistors 301 to 303, respectively. When a current flows, the plurality of switching transistors 301 to 3
Overcurrent detection circuit 3 provided corresponding to 03
Holding circuit 3 that stores and holds each output of 04 to 306
07' to 309', each of the plurality of switching transistors 301 to 303 is controlled to be in an open state so that an overcurrent does not flow through the plurality of switching transistors 301 to 303. Each of the holding circuits 307'
309' is characterized in that it has a reset circuit that resets the outputs of the alarms at predetermined time intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17483086U JPS6381626U (en) | 1986-11-14 | 1986-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17483086U JPS6381626U (en) | 1986-11-14 | 1986-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6381626U true JPS6381626U (en) | 1988-05-30 |
Family
ID=31113583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17483086U Pending JPS6381626U (en) | 1986-11-14 | 1986-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6381626U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61199416A (en) * | 1985-02-28 | 1986-09-03 | 富士電機株式会社 | Short-circuiting protection circuit |
-
1986
- 1986-11-14 JP JP17483086U patent/JPS6381626U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61199416A (en) * | 1985-02-28 | 1986-09-03 | 富士電機株式会社 | Short-circuiting protection circuit |