JPH0619063Y2 - Infrared sensing device - Google Patents
Infrared sensing deviceInfo
- Publication number
- JPH0619063Y2 JPH0619063Y2 JP1988012296U JP1229688U JPH0619063Y2 JP H0619063 Y2 JPH0619063 Y2 JP H0619063Y2 JP 1988012296 U JP1988012296 U JP 1988012296U JP 1229688 U JP1229688 U JP 1229688U JP H0619063 Y2 JPH0619063 Y2 JP H0619063Y2
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- substrate
- sensing device
- condenser lens
- lens
- 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.)
- Expired - Lifetime
Links
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は、赤外線により人体や車両等を感知する赤外線
感知装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to an infrared sensing device that senses a human body, a vehicle, or the like by infrared rays.
（従来の技術） 従来の赤外線感知装置としては、例えば、第５図に示さ
れているようなものが知られている。(Prior Art) As a conventional infrared sensing device, for example, one shown in FIG. 5 is known.
この従来の赤外線感知装置は、窓部１が形成されている
箱体２と、赤外線センサ３が設けられている基板４と、
赤外線集光レンズ５とを備え、前記基板４は箱体２に内
蔵され、前記赤外線集光レンズ５は前記箱体２の窓部１
に嵌め込み状態で取り付けられていた。This conventional infrared sensing device includes a box body 2 having a window 1 formed therein, a substrate 4 having an infrared sensor 3 provided thereon,
The infrared condenser lens 5 is provided, the substrate 4 is built in the box body 2, and the infrared condenser lens 5 is the window portion 1 of the box body 2.
It was attached in the state of being fitted.
（考案が解決しようとする課題） しかしながら、このような従来の赤外線感知装置にあっ
ては、箱体２に対し、基板４と赤外線集光レンズ５とは
それぞれ別個に取り付けられていたために、赤外線集光
レンズ５の焦点が基板４の赤外線センサ３の位置になる
ように設定するのは、高度な技術を要する作業であっ
た。(Problems to be solved by the invention) However, in such a conventional infrared sensing device, since the substrate 4 and the infrared condenser lens 5 are separately attached to the box body 2, Setting the focus of the condenser lens 5 so as to be at the position of the infrared sensor 3 on the substrate 4 was a work requiring a high level of technology.
更に、赤外線集光レンズ５の平面形状が円形である場合
には、赤外線集光レンズ５の方向を誤った状態で基板４
に取り付ける恐れもあった。Furthermore, when the planar shape of the infrared condensing lens 5 is circular, the substrate 4 is misaligned in the direction of the infrared condensing lens 5.
There was also a fear of attaching it to.
尚、赤外線集光レンズ５の焦点が赤外線センサ３の位置
に正確に設定されてないと、誤作動を起こす原因とな
る。If the focus of the infrared condenser lens 5 is not accurately set at the position of the infrared sensor 3, it may cause a malfunction.
（課題を解決するための手段） 本考案は、上述のような課題を解決することを目的とし
てなされたもので、この目的達成のために、本考案で
は、窓部が形成されている箱体と、赤外線センサが設け
られている基板と、赤外線集光レンズとを備え、前記基
板は箱体に内蔵され、前記赤外線集光レンズは基板に取
り付けられると共に、前記箱体の窓部から外部に露出し
て設けられ、前記赤外線集光レンズと基板には、赤外線
集光レンズの焦点が赤外線センサの位置になるように、
互いの相対位置を位置決めする位置決め用係合部が設け
られている手段とした。(Means for Solving the Problem) The present invention has been made for the purpose of solving the above-mentioned problems, and in order to achieve this object, the present invention proposes a box body having a window portion formed therein. And a substrate provided with an infrared sensor, and an infrared condensing lens, the substrate is built in a box, the infrared condensing lens is attached to the substrate, and from the window of the box to the outside. The exposed infrared condenser lens and the substrate are provided so that the focus of the infrared condenser lens is at the position of the infrared sensor.
The means is provided with a positioning engaging portion for positioning the relative position of each other.
（作用） 従って、本考案の赤外線感知装置では、赤外線集光レン
ズを基板に取り付けるにあたり、赤外線集光レンズと基
板の位置決め用係合部を互いに係合させるだけの簡単な
作業で、赤外線集光レンズの焦点が赤外線センサの位置
になるように正確に設定することができる。即ち、箱体
に対する赤外線集光レンズ及び基板の取り付けも、高度
な技術を必要としない簡単な作業となる。(Operation) Therefore, in the infrared sensing device of the present invention, when the infrared condenser lens is attached to the substrate, the infrared condenser lens and the positioning engagement portion of the substrate are simply engaged with each other to perform the infrared condenser The focus of the lens can be accurately set so as to be at the position of the infrared sensor. That is, attaching the infrared condenser lens and the substrate to the box is also a simple operation that does not require high technology.
（実施例） 以下、本考案の実施例を図面により詳述する。Embodiment An embodiment of the present invention will be described in detail below with reference to the drawings.
尚、実施例を説明するにあたり、第４図に示すように、
自動ドアＢの開閉機構（図示省略）に接続して用いられ
る赤外線感知装置Ａを例にとって説明する。In describing the embodiment, as shown in FIG.
An infrared sensing device A used by being connected to an opening / closing mechanism (not shown) of the automatic door B will be described as an example.
まず、第１図〜第４図に示す実施例について、その構成
を説明する。First, the structure of the embodiment shown in FIGS. 1 to 4 will be described.
本実施例の赤外線感知装置Ａは、壁面等の垂直面Ｃに取
り付けて使用されるもので、第１図に示すように、箱体
１０と基板２０と赤外線集光レンズ３０とで主に構成さ
れている。The infrared sensing device A of this embodiment is used by being attached to a vertical surface C such as a wall surface, and as shown in FIG. 1, it is mainly composed of a box body 10, a substrate 20, and an infrared condenser lens 30. Has been done.
箱体１０は、垂直面Ｃに沿って取り付けられる底板１１
と、その前面を覆うカバー１２とで構成されており、こ
のカバー１２の下面には、赤外線集光レンズ３０の外形
よりやや小さめの窓部１３が設けられている。The box 10 has a bottom plate 11 attached along the vertical plane C.
And a cover 12 covering the front surface thereof, and a window portion 13 slightly smaller than the outer shape of the infrared condenser lens 30 is provided on the lower surface of the cover 12.
基板２０は、赤外線を感知する赤外線センサ２１と、こ
の赤外線センサ２１からの電気信号を検出し、その電気
信号に基づいて自動ドアＢの開閉機構にＯＮ・ＯＦＦ信
号を出力する検出回路（図示省略）とが設けられてい
る。尚、赤外線センサ２１は、人体が発する周波数域の
赤外線のみを感知するように設定されている。The board 20 detects an infrared sensor 21 for detecting infrared rays, and a detection circuit (not shown) that detects an electric signal from the infrared sensor 21 and outputs an ON / OFF signal to the opening / closing mechanism of the automatic door B based on the electric signal. ) And are provided. The infrared sensor 21 is set to detect only infrared rays in the frequency range emitted by the human body.
赤外線集光レンズ３０は、所定範囲内の赤外線を集光し
て前記赤外線センサ２１に照射するもので、第１図及び
第３図に示すように、赤外線センサ２１を全周から覆っ
た状態で前記基板２０に取り付けられ、第２図に示すよ
うに、前記カバー１２の窓部１３から部分的に外部に露
出されている。この赤外線集光レバー３０は、半球体の
両側部を切削してフラット面３１を設けた形状を成して
おり、そのフラット面３１が上下に配置される向きに設
定されている。The infrared condensing lens 30 condenses infrared rays within a predetermined range and irradiates the infrared sensor 21. As shown in FIGS. 1 and 3, the infrared sensor 21 covers the entire circumference of the infrared sensor 21. It is attached to the substrate 20 and is partially exposed to the outside from the window 13 of the cover 12, as shown in FIG. The infrared light collecting lever 30 has a shape in which both sides of a hemisphere are cut to provide a flat surface 31, and the flat surface 31 is set to be vertically arranged.
また、前記基板２０と赤外線集光レンズ３０には、第１
図及び第３図に示すように、互いに抜け防止状態で係合
する位置決め用係合穴２２と位置決め用係合爪３２が各
四箇所に設けられており、これらの位置決め用係合穴２
２と位置決め用係合爪３２は、赤外線集光レンズ３０の
焦点が赤外線センサ２１の位置になるように、互いの相
対位置を位置決めする位置に配置されている。The substrate 20 and the infrared condenser lens 30 have a first
As shown in FIGS. 3 and 4, a positioning engagement hole 22 and a positioning engagement claw 32 which are engaged with each other in a slip-out preventing state are provided at each of four positions.
2 and the positioning engagement claw 32 are arranged at positions where their relative positions are positioned so that the focus of the infrared condenser lens 30 is at the position of the infrared sensor 21.
次に実施例の作用を説明する。Next, the operation of the embodiment will be described.
従って、本実施例の赤外線感知装置Ａでは、赤外線集光
レンズ３０を基板２０に取り付けるにあたって行われ
る、赤外線集光レンズ３０の位置決め用係合爪３２と基
板２０の位置決め用係合穴２２を互いに係合させるだけ
の簡単な作業により、同時に赤外線集光レンズ３０の焦
点を赤外線センサ２１の位置になるように設定すること
ができる。しかも、赤外線集光レンズ３０は、フラット
面３１が上下に配置されるよう設定されるようになって
おり、それ以外の向きでの設定は不可能になっているた
め、常に正確な位置及び向きに取り付けられるようにな
っている。Therefore, in the infrared sensing device A of the present embodiment, the positioning engagement claws 32 of the infrared focusing lens 30 and the positioning engagement holes 22 of the substrate 20, which are performed when the infrared focusing lens 30 is attached to the substrate 20, are mutually separated. The focus of the infrared condensing lens 30 can be set at the position of the infrared sensor 21 at the same time by a simple work of simply engaging. Moreover, the infrared condenser lens 30 is set so that the flat surfaces 31 are arranged vertically, and it is impossible to set it in any other direction. It can be attached to.
次に、一体化されている基板２０及び赤外線集光レンズ
３０を箱体１０に設定するにあたっては、赤外線集光レ
ンズ３０をカバー１２の窓部１３に対応させるだけの、
高度な技術を必要としない簡単な作業でよい。Next, in setting the integrated substrate 20 and infrared condenser lens 30 in the box body 10, only the infrared condenser lens 30 is made to correspond to the window portion 13 of the cover 12,
It can be a simple task that does not require advanced technology.
また、使用時において、カバー１２の窓部１３と赤外線
集光レンズ３０との間に隙間があって、その隙間から風
が侵入したとしても、赤外線センサ２１は赤外線集光レ
ンズ３０によって全周から覆われているので、その風の
影響を受けずに正確な作動を継続することができる。Further, even when there is a gap between the window portion 13 of the cover 12 and the infrared condensing lens 30 during use, and the wind enters through the gap, the infrared sensor 21 causes the infrared condensing lens 30 to cover the entire circumference. Since it is covered, it can continue accurate operation without being affected by the wind.
以上、本考案の実施例を図面により詳述してきたが、具
体的な構成はこの実施例に限られるものではなく、本考
案の要旨を逸脱しない範囲の設計変更等があっても本考
案に含まれる。The embodiment of the present invention has been described in detail above with reference to the drawings. However, the specific configuration is not limited to this embodiment, and the present invention can be applied even if there is a design change or the like within a range not departing from the gist of the present invention. included.
例えば、実施例では、人体から発する赤外線を感知する
赤外線感知装置を例にとったが、他種の、赤外線を赤外
線集光レンズに照射する赤外線光源と組み合せて使用さ
れ、この赤外線光源からの赤外線が人や車の通行により
途絶えたことを検知する赤外線感知装置等に適用しても
よい。For example, in the embodiment, the infrared sensing device that senses infrared rays emitted from the human body is taken as an example, but it is used in combination with another type of infrared light source that irradiates the infrared ray focusing lens with infrared rays. It may be applied to an infrared sensing device or the like that detects that the vehicle has been interrupted by the passage of people or vehicles.
また、赤外線集光レンズの形状等も実施例に限られな
い。Further, the shape of the infrared condenser lens is not limited to the embodiment.
（考案の効果） 以上説明してきたように、本考案の赤外線感知装置にあ
っては、基板及び赤外線集光レンズを箱体に設置する作
業は、高度な技術を必要としない簡単なものでありなが
ら、赤外線集光レンズの焦点の設定は、正確なものにす
ることができるという効果が得られる。即ち、誤作動の
ない正確な赤外線感知装置を提供することができる。(Effects of the Invention) As described above, in the infrared sensing device of the present invention, the work of installing the substrate and the infrared condensing lens in the box is a simple operation that does not require high technology. However, there is an effect that the focus of the infrared condenser lens can be set accurately. That is, it is possible to provide an accurate infrared sensing device without malfunction.
第１図は本考案実施例の赤外線感知装置の分解斜視図、
第２図は実施例の赤外線感知装置の組立斜視図、第３図
は第２図のIII−III断面図、第４図は赤外線感知装置の
使用状態を示す斜視図、第５図は従来の赤外線感知装置
を示す側面図である。 Ａ…赤外線感知装置 １０…箱体 １３…窓部 ２０…基板 ２１…赤外線センサ ２２…位置決め用係合穴（位置決め用係合部） ３０…赤外線集光レンズ ３２…位置決め用係合爪（位置決め用係合部）FIG. 1 is an exploded perspective view of an infrared sensing device according to an embodiment of the present invention,
2 is an assembled perspective view of the infrared sensing device of the embodiment, FIG. 3 is a sectional view taken along the line III-III of FIG. 2, FIG. 4 is a perspective view showing a usage state of the infrared sensing device, and FIG. It is a side view which shows an infrared sensing device. A ... Infrared sensing device 10 ... Box 13 ... Window 20 ... Substrate 21 ... Infrared sensor 22 ... Positioning engaging hole (positioning engaging part) 30 ... Infrared condensing lens 32 ... Positioning engaging claw (positioning) (Engagement part)
Claims (1)
サが設けられている基板と、赤外線集光レンズとを備
え、前記基板は箱体に内蔵され、前記赤外線集光レンズ
は基板に取り付けられると共に、前記箱体の窓部から外
部に露出して設けられ、前記赤外線集光レンズと基板に
は、赤外線集光レンズの焦点が赤外線センサの位置にな
るように、互いの相対位置を位置決めする位置決め用係
合部が設けられていることを特徴とする赤外線感知装
置。1. A box body having a window formed therein, a substrate provided with an infrared sensor, and an infrared condenser lens, wherein the substrate is built in the box body, and the infrared condenser lens is the substrate. The infrared condensing lens and the substrate are mounted so as to be exposed to the outside from the window portion of the box body, and the infrared condensing lens has a relative position such that the focus of the infrared condensing lens is at the position of the infrared sensor. An infrared sensing device, characterized in that a positioning engaging portion for positioning is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988012296U JPH0619063Y2 (en) | 1988-02-01 | 1988-02-01 | Infrared sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988012296U JPH0619063Y2 (en) | 1988-02-01 | 1988-02-01 | Infrared sensing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01118334U JPH01118334U (en) | 1989-08-10 |
| JPH0619063Y2 true JPH0619063Y2 (en) | 1994-05-18 |
Family
ID=31221612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988012296U Expired - Lifetime JPH0619063Y2 (en) | 1988-02-01 | 1988-02-01 | Infrared sensing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0619063Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5982780A (en) * | 1982-09-27 | 1984-05-12 | ジヨン・エム・サベ−ジ・ジユニア− | Lens and mount used together with electromagnetic wave source |
| JPS60140129A (en) * | 1983-12-28 | 1985-07-25 | Denki Onkyo Co Ltd | Converging type infrared ray detection apparatus |
| JPS62147325A (en) * | 1985-12-23 | 1987-07-01 | Matsushita Electric Works Ltd | Heat ray sensor |
-
1988
- 1988-02-01 JP JP1988012296U patent/JPH0619063Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5982780A (en) * | 1982-09-27 | 1984-05-12 | ジヨン・エム・サベ−ジ・ジユニア− | Lens and mount used together with electromagnetic wave source |
| JPS60140129A (en) * | 1983-12-28 | 1985-07-25 | Denki Onkyo Co Ltd | Converging type infrared ray detection apparatus |
| JPS62147325A (en) * | 1985-12-23 | 1987-07-01 | Matsushita Electric Works Ltd | Heat ray sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01118334U (en) | 1989-08-10 |
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