JPH03119290U - - Google Patents
Info
- Publication number
- JPH03119290U JPH03119290U JP2625390U JP2625390U JPH03119290U JP H03119290 U JPH03119290 U JP H03119290U JP 2625390 U JP2625390 U JP 2625390U JP 2625390 U JP2625390 U JP 2625390U JP H03119290 U JPH03119290 U JP H03119290U
- Authority
- JP
- Japan
- Prior art keywords
- detector
- fire
- sensor
- line
- base
- 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
- 238000012790 confirmation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Fire-Detection Mechanisms (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
定温式の熱感知器である場合の具体回路図、第３
図及び第４図は夫々異種のトランジスタを出力ト
ランジスタとして用いた場合の感知器ヘツドの回
路図、第５図は従来例の火災感知システムの説明
図、第６図は同上の感知器ヘツドの回路図、第７
図は他の従来例の火災感知システムの説明図、第
８図は同上の感知器ヘツドの回路図である。
Ａ……火災受信機、Ｂ……感知器ベース、Ｃ…
…感知器ヘツド、ｌ……感知器回線、ＬＤ……確
認灯、Ｔ１……出力端子、Ｔ２……入力端子であ
る。
Figure 1 is a circuit diagram of an embodiment of the present invention, Figure 2 is a specific circuit diagram of a constant temperature heat sensor, and Figure 3 is a circuit diagram of an embodiment of the present invention.
4 and 4 are circuit diagrams of a sensor head when different types of transistors are used as output transistors, FIG. 5 is an explanatory diagram of a conventional fire detection system, and FIG. 6 is a circuit of the same sensor head as above. Figure, 7th
This figure is an explanatory diagram of another conventional fire detection system, and FIG. 8 is a circuit diagram of the same detector head. A... Fire receiver, B... Detector base, C...
...sensor head, l...sensor line, LD...confirmation light, T1 ...output terminal, T2 ...input terminal.
Claims (1)
印加された感知器回線に接続され天井面等に設置
される感知器ベースと、この感知器ベースに着脱
自在に接続される感知器ヘツドとからなり、火災
感知時に感知器回線に流れる電流を増加させて火
災受信機に電流モードの火災信号を送る熱感知器
において、感知器ヘツドに火災感知時にローレベ
ルとなる出力端子を設けると共に、感知器ベース
に上記出力端子を接続する入力端子を設け、上記
入力端子と感知器回線の正極電圧が印加される側
の信号線との間にＬＥＤからなる確認灯を接続し
て成ることを特徴とする熱感知器。 A sensor base that is connected to a sensor line to which a predetermined voltage is applied, which is made up of a pair of signal lines of a fire receiver, and is installed on a ceiling surface, etc., and a sensor head that is detachably connected to this sensor base. In a heat detector that increases the current flowing through the detector line when a fire is detected and sends a current mode fire signal to the fire receiver, the detector head is provided with an output terminal that becomes low level when a fire is detected, and the detector The base is provided with an input terminal for connecting the output terminal, and a confirmation light consisting of an LED is connected between the input terminal and the signal line to which the positive voltage of the sensor line is applied. heat detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2625390U JPH03119290U (en) | 1990-03-15 | 1990-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2625390U JPH03119290U (en) | 1990-03-15 | 1990-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03119290U true JPH03119290U (en) | 1991-12-09 |
Family
ID=31529158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2625390U Pending JPH03119290U (en) | 1990-03-15 | 1990-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03119290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014035099A1 (en) * | 2012-08-31 | 2014-03-06 | Kim Jong Wu | Blackboard eraser device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6146693B2 (en) * | 1981-12-28 | 1986-10-15 | Hino Motors Ltd |
-
1990
- 1990-03-15 JP JP2625390U patent/JPH03119290U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6146693B2 (en) * | 1981-12-28 | 1986-10-15 | Hino Motors Ltd |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014035099A1 (en) * | 2012-08-31 | 2014-03-06 | Kim Jong Wu | Blackboard eraser device |
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