JPS61144442U - - Google Patents
Info
- Publication number
- JPS61144442U JPS61144442U JP2844685U JP2844685U JPS61144442U JP S61144442 U JPS61144442 U JP S61144442U JP 2844685 U JP2844685 U JP 2844685U JP 2844685 U JP2844685 U JP 2844685U JP S61144442 U JPS61144442 U JP S61144442U
- Authority
- JP
- Japan
- Prior art keywords
- infrared detection
- visible light
- infrared
- emitting element
- light emitting
- 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 17
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 1
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図、第２図は同実施例の要
部を取出して示す切欠斜視図、第３図は同実施例
の赤外線検知領域と可視光線照射領域との関係を
示す図、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図は赤外線検知領域を
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
……カバー、２７……検出回路、２８……配線基
板、２９……集光用鏡、３０……赤外線検出セン
サ、３１……発光ダイオード（可視光線発光素子
）、３２……遮光箱、３３……貫通孔、３４……
光フアイバー（光導機構）、３５……遮蔽カバー
、３６……可視光線、３７……受動型赤外線検出
装置、３８……可視光線照射領域、３９……赤外
線検知領域。
Fig. 1 is a sectional view showing a passive infrared detection device according to an embodiment of the present invention, Fig. 2 is a cutaway perspective view showing the main parts of the embodiment, and Fig. 3 is an infrared detection device of the same embodiment. Figure 4 is a cross-sectional view showing a conventional passive infrared detection device, Figure 5 is a diagram explaining the principle of an infrared detection sensor, and Figure 6 is a diagram showing the relationship between the area and the visible light irradiation area. FIG. 7 is a block diagram showing the type infrared detection device, and FIG. 7 is a diagram showing the infrared detection area. 14...Amplifier, 15...Comparator, 16...Relay, 17...Load device (external load), 21...
Case, 22...Front, 23...Infrared light, 24
... Cover, 27 ... Detection circuit, 28 ... Wiring board, 29 ... Concentrating mirror, 30 ... Infrared detection sensor, 31 ... Light emitting diode (visible light emitting element), 32 ... Light shielding box, 33 ...Through hole, 34...
Optical fiber (light guide mechanism), 35... Shielding cover, 36... Visible light, 37... Passive infrared detection device, 38... Visible light irradiation area, 39... Infrared detection area.
Claims (1)
内から入射された赤外光線を焦点に集光させる集
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、可視光線を発光する可視光線発
光素子と、この可視光線発光素子から発光された
可視光線を前記赤外線検知領域内へ照射させる光
導機構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 condensing mirror that condenses infrared rays incident from within a certain incident angle range corresponding to an infrared detection area to a focal point; an infrared detection sensor disposed at a position near the focal point of the condensing mirror; , a detection circuit that sends an output signal of the infrared detection sensor to an external load as a detection signal, a visible light emitting element that emits visible light, and a visible light emitted from the visible light emitting element into the infrared detection area. A passive infrared detection device characterized by comprising a light guide mechanism for irradiating light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2844685U JPS61144442U (en) | 1985-02-28 | 1985-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2844685U JPS61144442U (en) | 1985-02-28 | 1985-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61144442U true JPS61144442U (en) | 1986-09-06 |
Family
ID=30526324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2844685U Pending JPS61144442U (en) | 1985-02-28 | 1985-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61144442U (en) |
-
1985
- 1985-02-28 JP JP2844685U patent/JPS61144442U/ja active Pending
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