JPS582657U - Separate dimming type smoke detector - Google Patents
Separate dimming type smoke detectorInfo
- Publication number
- JPS582657U JPS582657U JP9614581U JP9614581U JPS582657U JP S582657 U JPS582657 U JP S582657U JP 9614581 U JP9614581 U JP 9614581U JP 9614581 U JP9614581 U JP 9614581U JP S582657 U JPS582657 U JP S582657U
- Authority
- JP
- Japan
- Prior art keywords
- light
- type smoke
- dimming type
- amount
- separate
- 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
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示すブロック図、第２図は
上記実施例の投光器の一例を示すブロック図、第３図は
上記実施例の受信機の一例を示す回路図である。
図において、１・・・・・・投光器、２・・・・・・受
信機、３・・・・・・投光制御線、４・・・・・・受光
器、５・・曲変換電圧検出線、６・・・・・・安定化電
源、７・・・・・・発振回路、Ｑ□、 Ｑ２・・・・・
・トランジスタ、Ｒ工、Ｒ２・・・・・・抵抗、ＶＲ・
・・・・・可変抵抗器、■・・・・・・電圧計。FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a block diagram showing an example of the projector of the above embodiment, and FIG. 3 is a circuit diagram showing an example of the receiver of the above embodiment. In the figure, 1...emitter, 2...receiver, 3...light emission control line, 4...receiver, 5...curve conversion voltage Detection line, 6... Stabilized power supply, 7... Oscillation circuit, Q□, Q2...
・Transistor, R engineering, R2...Resistance, VR・
...Variable resistor, ■...Voltmeter.
Claims (1)
器から離隔した別の固定位置に配設され光路中の煙によ
る受光量の減少によって火災を感知する受光器とを備え
た分離型減光式煙感知器において、前記受光器の内蔵す
る光電変換器の出力電圧を取り出す変換電圧検出線と、
前記投光器の投光量を制御する投光制御線と、該投光制
御線の制御電圧によって前記投光器の投光量を変化させ
る手段と、上記投光制御線の電圧を可変する手段とを備
えたことを特徴とする分離型減光式煙感知器。Separate dimming type smoke comprising a light emitter that generates a light beam by applied current, and a light receiver that is disposed at a fixed position separate from the emitter and detects fire by reducing the amount of light received due to smoke in the optical path. In the sensor, a converted voltage detection line for extracting the output voltage of a photoelectric converter built in the light receiver;
A light projection control line for controlling the amount of light emitted by the light projector, a means for changing the amount of light emitted by the light projector according to a control voltage of the light projection control line, and a means for varying the voltage of the light projection control line. A separate dimming type smoke detector featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9614581U JPS582657U (en) | 1981-06-30 | 1981-06-30 | Separate dimming type smoke detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9614581U JPS582657U (en) | 1981-06-30 | 1981-06-30 | Separate dimming type smoke detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS582657U true JPS582657U (en) | 1983-01-08 |
Family
ID=29891026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9614581U Pending JPS582657U (en) | 1981-06-30 | 1981-06-30 | Separate dimming type smoke detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS582657U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62137720U (en) * | 1986-02-19 | 1987-08-31 | ||
| JPS63128454U (en) * | 1987-02-17 | 1988-08-23 | ||
| JPH0266319U (en) * | 1988-11-10 | 1990-05-18 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52152273A (en) * | 1976-06-11 | 1977-12-17 | Matsushita Electric Works Ltd | Action checking method of light dimming type smoke sensor |
-
1981
- 1981-06-30 JP JP9614581U patent/JPS582657U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52152273A (en) * | 1976-06-11 | 1977-12-17 | Matsushita Electric Works Ltd | Action checking method of light dimming type smoke sensor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62137720U (en) * | 1986-02-19 | 1987-08-31 | ||
| JPH042088Y2 (en) * | 1986-02-19 | 1992-01-24 | ||
| JPS63128454U (en) * | 1987-02-17 | 1988-08-23 | ||
| JPH0266319U (en) * | 1988-11-10 | 1990-05-18 | ||
| JPH0632431Y2 (en) * | 1988-11-10 | 1994-08-24 | 日産車体株式会社 | Hatch roof weather strip mounting structure |
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