JPS61144439U - - Google Patents
Info
- Publication number
- JPS61144439U JPS61144439U JP2844385U JP2844385U JPS61144439U JP S61144439 U JPS61144439 U JP S61144439U JP 2844385 U JP2844385 U JP 2844385U JP 2844385 U JP2844385 U JP 2844385U JP S61144439 U JPS61144439 U JP S61144439U
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- guide groove
- shielding plates
- entrance window
- condensing mirror
- 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 12
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Radiation Pyrometers (AREA)
- Burglar Alarm Systems (AREA)
Description
第１図は本考案の一実施例に係わる受動型赤外
線検出装置を示す断面斜視図、第２図は同実施例
の外観を示す斜視図、第３図は同実施例の要部を
取出して示す切欠斜視図、第４図は従来の受動型
赤外線検出装置を示す断面図、第５図は赤外線検
出センサの原理を説明するための図、第６図は受
動型赤外線検出装置を示すブロツク図、第７図は
赤外線検出センサにおける最大入射角度を示す図
である。
１４……増幅器、１５……比較器、１６……リ
レー、１７……負荷装置（外部負荷）、２１……
ケース、２２……前面、２３……赤外光線、２４
……入射窓、３０ａ，３０ｂ……ガイド溝、３１
ａ，３１ｂ……赤外線遮蔽板、３２……フエルタ
ー、３３……取手、３４……凹部、３５……板バ
ネ、３６……目盛り、３７……検出回路、３８…
…配線基板、３９……集光用鏡、４０……赤外線
検出センサ。
Fig. 1 is a cross-sectional perspective view showing a passive infrared detection device according to an embodiment of the present invention, Fig. 2 is a perspective view showing the external appearance of the embodiment, and Fig. 3 is a perspective view of the main parts of the embodiment. 4 is a sectional view showing a conventional passive infrared detection device, FIG. 5 is a diagram for explaining the principle of an infrared detection sensor, and FIG. 6 is a block diagram showing a passive infrared detection device. , FIG. 7 is a diagram showing the maximum angle of incidence in the infrared detection sensor. 14...Amplifier, 15...Comparator, 16...Relay, 17...Load device (external load), 21...
Case, 22...Front, 23...Infrared light, 24
...Incidence window, 30a, 30b...Guide groove, 31
a, 31b... Infrared shielding plate, 32... Felter, 33... Handle, 34... Recess, 35... Leaf spring, 36... Scale, 37... Detection circuit, 38...
...Wiring board, 39...Mirror for focusing, 40...Infrared detection sensor.
Claims (1)
光線を入射させるための入射窓と、この入射窓に
沿つて設けられたガイド溝と、このガイド溝にて
ガイドされ、前記入射窓の一方向の開放度を変化
させる一対の赤外線遮蔽板と、前記ガイド溝と前
記各赤外線遮蔽板間に設けられ、前記各赤外線遮
蔽板を前記ガイド溝内で段階的に移動させるスト
ツパ機構と、前記ケース内に設けられ、外部から
前記入射窓を介して入力された前記赤外光線を焦
点に集光させる放物形状に形成された集光用鏡と
、この集光用鏡の前記焦点近傍位置に配設された
赤外線検出センサと、この赤外線検出センサの出
力信号を外部負荷へ検出信号として送出する検出
回路とを具備したことを特徴とする受動型赤外線
検出装置。 A case, an entrance window formed on the front surface of the case for allowing infrared rays to enter, a guide groove provided along the entrance window, and a guide groove that guides the entrance window in one direction. a pair of infrared shielding plates that change the degree of opening of the infrared shielding plates; a stopper mechanism provided between the guide groove and each of the infrared shielding plates to move each of the infrared shielding plates in stages within the guide groove; a condensing mirror formed in a parabolic shape that condenses the infrared rays input from the outside through the entrance window to a focal point; and a condensing mirror disposed at a position near the focal point of the condensing mirror. 1. A passive infrared detection device comprising: an infrared detection sensor; and a detection circuit that sends an output signal of the infrared detection sensor to an external load as a detection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2844385U JPS61144439U (en) | 1985-02-28 | 1985-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2844385U JPS61144439U (en) | 1985-02-28 | 1985-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61144439U true JPS61144439U (en) | 1986-09-06 |
Family
ID=30526318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2844385U Pending JPS61144439U (en) | 1985-02-28 | 1985-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61144439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009128228A (en) * | 2007-11-26 | 2009-06-11 | Panasonic Electric Works Co Ltd | Infrared detector |
-
1985
- 1985-02-28 JP JP2844385U patent/JPS61144439U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009128228A (en) * | 2007-11-26 | 2009-06-11 | Panasonic Electric Works Co Ltd | Infrared detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61144439U (en) | ||
| JPS58191584U (en) | Concentrator for infrared sensor | |
| JPS61144440U (en) | ||
| JPS61144441U (en) | ||
| JPH0463401U (en) | ||
| JPS5968279U (en) | Automatic door detector | |
| JPS61144442U (en) | ||
| JPH0713241Y2 (en) | Heat ray detector | |
| JPS58117587U (en) | Scattered light smoke detector | |
| JPS62146933U (en) | ||
| JPS6112082U (en) | Intrusion detection device | |
| JPH039057U (en) | ||
| JPH02140389U (en) | ||
| JPS6117629U (en) | Infrared detector adjustment mechanism | |
| JPH0267212U (en) | ||
| JPS6115530U (en) | spectrometer | |
| JPH01149644U (en) | ||
| JPS62106127U (en) | ||
| JPH02140333U (en) | ||
| JPH0466692U (en) | ||
| JPS5948156U (en) | Infrared receiver | |
| JPS6247931U (en) | ||
| JPS62182427U (en) | ||
| JPH034281U (en) | ||
| JPS6126135U (en) | Passive infrared detection device |