JPS61129536A - Monitor for invader - Google Patents
Monitor for invaderInfo
- Publication number
- JPS61129536A JPS61129536A JP59250615A JP25061584A JPS61129536A JP S61129536 A JPS61129536 A JP S61129536A JP 59250615 A JP59250615 A JP 59250615A JP 25061584 A JP25061584 A JP 25061584A JP S61129536 A JPS61129536 A JP S61129536A
- Authority
- JP
- Japan
- Prior art keywords
- convex lenses
- optical fibers
- human body
- visual fields
- infrared rays
- 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
- 239000013307 optical fiber Substances 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 11
- 238000012806 monitoring device Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0425—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using optical fibers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0266—Field-of-view determination; Aiming or pointing of a photometer; Adjusting alignment; Encoding angular position; Size of the measurement area; Position tracking; Photodetection involving different fields of view for a single detector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0818—Waveguides
- G01J5/0821—Optical fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、人体から発する赤外線を検知して警報を発
する盗難警報器あるいは来客報知器等の侵入者監視装置
に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an intruder monitoring device such as a burglar alarm or visitor alarm that detects infrared rays emitted from a human body and issues an alarm.
従来のこの種侵入者監視装置は、第２図に示すように複
数個の凹面鏡ａ ％ ｄをその各隣接する周縁部を連続
的に接し、かつ各凹面鏡の焦点を一致させ、その焦点部
に赤外線検出素子５を配置するとともに、各凹面鏡の監
視視野６〜９を所定の監視区域に分散して指向させた集
光部を用い、このいずれかの監視視野内を人体が通過し
たとき、人体からの赤外線に感応した赤外線検出素子５
の出力変化を検出して侵入者を検知していた。（例えば
実開昭５４−６５６９０号）
〔発明が解決しようとする問題点〕
このような従来のものにおいては、各凹面鏡の焦点部に
配置された赤外線検出素子５および素子取付機構が監視
視野内であるだめ、この部分で入射赤外線の一部が遮蔽
され、検出感度が低下する問題があった。さらにまた各
凹面鏡の製作および配置には、可成りの精密度が要求さ
れ、監視視野の変更等が困難であるなどの問題があった
。As shown in FIG. 2, the conventional intruder monitoring device of this type has a plurality of concave mirrors a% d with their respective adjacent peripheral edges in continuous contact, and the focal points of each concave mirror are made to coincide with each other. In addition to arranging the infrared detection element 5, a condensing unit is used in which the monitoring fields 6 to 9 of each concave mirror are distributed and directed to predetermined monitoring areas, and when a human body passes within any of these monitoring fields, the human body is detected. Infrared detection element 5 sensitive to infrared rays from
Intruders were detected by detecting changes in the output. (For example, Utility Model Application No. 54-65690) [Problems to be Solved by the Invention] In such a conventional device, the infrared detecting element 5 and the element mounting mechanism arranged at the focal point of each concave mirror are located within the monitoring field of view. However, there was a problem in that part of the incident infrared rays was blocked in this part, resulting in a decrease in detection sensitivity. Furthermore, considerable precision is required in the manufacture and arrangement of each concave mirror, which poses problems such as difficulty in changing the monitoring field of view.
この発明は、上記のような問題点を解決したものであっ
て、集光部として複数個の凸レンズと、各凸レンズの略
焦点部にそれぞれ一端が配置され、他端が単一の赤外線
検出素子の受光面に集光されて配置された光ファイバー
とを備えたものである。This invention solves the above-mentioned problems, and includes a plurality of convex lenses as light condensing parts, one end of each convex lens is arranged approximately at the focal point, and the other end is a single infrared detection element. and an optical fiber arranged to condense light on the light receiving surface of the light receiving surface.
このように、複数個の凸レンズからの赤外光を単一の赤
外線検出素子の受光面上に光ファイバーで集束したもの
であるため、監視視野内に遮蔽されるものが存在せず、
高感度となり、また構成が簡単なため製作、調整が容易
となる。In this way, the infrared light from multiple convex lenses is focused onto the light receiving surface of a single infrared detection element using an optical fiber, so there is no obstruction within the monitoring field of view.
The sensitivity is high and the configuration is simple, making it easy to manufacture and adjust.
、 以下にその一実施例を示す図面によって詳細に説明
する。, will be described in detail below with reference to drawings showing one embodiment thereof.
第１図はこの発明の装置の主要部である光学系の概略図
を示すもので、凸レンズ１〜４がそれぞれ所定の間隔を
持った監視視野６〜９を形成するように指向して設けら
れている。この各凸レンズ１〜４の他方の焦点部には、
光ファイバー１０〜１３の一端部が配置され、これらは
保持用枠１４〜１７によって一体に保持されている。FIG. 1 shows a schematic diagram of the optical system which is the main part of the device of the present invention, in which convex lenses 1 to 4 are oriented to form monitoring fields of view 6 to 9 with predetermined intervals, respectively. ing. At the other focal point of each convex lens 1 to 4,
One end portions of optical fibers 10 to 13 are arranged, and these are held together by holding frames 14 to 17.
光ファイバー１０〜１３の他端部は集束されて一本のフ
ァイバーとなり、赤外線検知素子５の受光面に配置され
ている。したがって、この光ファイ本
バー１０〜１３は一本のファイバーが数分に分岐された
ものを使用しても良い。また各保持用枠１４〜１７は、
それぞれ分割されており、監視視野６〜９をそれぞれ容
易に、かつ任意に調整出来るような構成に作ることもで
きる。この実施例においては、監視視野６〜９が構−線
にほぼ平行に設けたが、円状あるいは四方形等被監視場
所あるいは被監視物体の形状に応じて変更することがで
き、・また凸レンズおよび光ファイバーの数をさらに増
加させることもできる。The other ends of the optical fibers 10 to 13 are converged into a single fiber and placed on the light receiving surface of the infrared detection element 5. Therefore, the optical fiber bars 10 to 13 may be formed by branching one fiber into several pieces. Moreover, each holding frame 14 to 17 is
Each of the monitoring fields 6 to 9 is divided into sections, and the monitoring fields 6 to 9 can be configured to be easily and arbitrarily adjusted. In this embodiment, the monitoring fields 6 to 9 are provided almost parallel to the line of sight, but they can be changed to a circular or rectangular shape depending on the location to be monitored or the shape of the object to be monitored. And the number of optical fibers can also be further increased.
このような監視視野６〜９内を人体が通過すると、人体
から放射される赤外線が各凸レンズ１〜４に順次に、あ
るいはそのいずれかの凸レンズに入射し、光ファイバー
１０〜１３を介して赤外線検出回路によって検出され、
警報あるいは表示される。When a human body passes through such a monitoring field of view 6 to 9, infrared rays emitted from the human body enter each of the convex lenses 1 to 4 sequentially or to any of the convex lenses, and are detected by infrared rays via optical fibers 10 to 13. detected by the circuit,
Alert or displayed.
なお、これらの信号を人体が通過することによる赤外線
検出素子５の出力の変化量として検出することによって
、外光の変化（昼夜の変化）等による誤発報は防止され
、さらに例えば２個以上の凸レンズの各視野６〜９をそ
れぞれ人体が通過したときの論理積で発報するような回
路構成を用い、誤発報を防止することもできる。By detecting these signals as the amount of change in the output of the infrared detection element 5 due to the passage of the human body, false alarms due to changes in external light (day/night changes), etc. can be prevented. It is also possible to prevent false alarms by using a circuit configuration that issues an alarm based on the logical product when a human body passes through each of the visual fields 6 to 9 of the convex lenses.
以上のように、この発明の侵入者監視装置は、取り扱い
の難かしい凹面鏡に代って凸レンズと光ファイバーによ
って集光できるため、効率的に受光でき、したがって受
光感度が高く、まだ構造が簡単であり、監視視野を容易
に調整変更できるなどの効果を有する。As described above, the intruder monitoring device of the present invention can collect light using a convex lens and an optical fiber instead of a concave mirror that is difficult to handle, so it can receive light efficiently, has high light receiving sensitivity, and has a simple structure. , the monitoring field of view can be easily adjusted and changed.
第１図はこの発明の侵入者監視装置の一実施例を示す概
略図、第２図は従来のｉ置の概略図をそれぞれ示す。
１．２，３．４・・・凸レンズ、５・・・赤外線検知素
子、６，７，８．９・・・監視視野、１０． １１．
１２゜１３・・・光ファイバー。FIG. 1 is a schematic diagram showing an embodiment of the intruder monitoring device of the present invention, and FIG. 2 is a schematic diagram of a conventional i-position. 1.2, 3.4... Convex lens, 5... Infrared detection element, 6, 7, 8.9... Monitoring field of view, 10. 11.
12゜13...optical fiber.
Claims (1)
出素子で検出し、人体検知信号を出力するようにして成
る侵入者監視装置において、上記集光部はそれぞれ視野
を異にする複数個の凸レンズと、該各凸レンズの略焦点
部にそれぞれ一端が配置され、他端が単一の赤外線検出
素子の受光面に集束されて配置された光ファイバーとか
ら成ることを特徴とする侵入者監視装置。In an intruder monitoring device, the infrared rays emitted from a human body are collected by a condensing part, detected by an infrared detection element, and outputted as a human body detection signal. An intruder monitoring device comprising a convex lens and an optical fiber having one end disposed approximately at the focal point of each convex lens and the other end converged on the light receiving surface of a single infrared detection element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59250615A JPS61129536A (en) | 1984-11-29 | 1984-11-29 | Monitor for invader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59250615A JPS61129536A (en) | 1984-11-29 | 1984-11-29 | Monitor for invader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61129536A true JPS61129536A (en) | 1986-06-17 |
Family
ID=17210489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59250615A Pending JPS61129536A (en) | 1984-11-29 | 1984-11-29 | Monitor for invader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61129536A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04106433A (en) * | 1990-08-28 | 1992-04-08 | Hochiki Corp | Heat ray type human body detector |
| JPH07218648A (en) * | 1993-12-31 | 1995-08-18 | Lg Electron Inc | Infrared-ray sensor array device |
| JP2008268052A (en) * | 2007-04-23 | 2008-11-06 | Matsushita Electric Works Ltd | Infrared sensor |
| CN102472030A (en) * | 2009-07-30 | 2012-05-23 | 西荣科技有限公司 | Pir motion sensor system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845758A (en) * | 1981-09-14 | 1983-03-17 | Kobe Steel Ltd | Separation and concentration of bastnaesite |
-
1984
- 1984-11-29 JP JP59250615A patent/JPS61129536A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845758A (en) * | 1981-09-14 | 1983-03-17 | Kobe Steel Ltd | Separation and concentration of bastnaesite |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04106433A (en) * | 1990-08-28 | 1992-04-08 | Hochiki Corp | Heat ray type human body detector |
| JPH07218648A (en) * | 1993-12-31 | 1995-08-18 | Lg Electron Inc | Infrared-ray sensor array device |
| JP2008268052A (en) * | 2007-04-23 | 2008-11-06 | Matsushita Electric Works Ltd | Infrared sensor |
| CN102472030A (en) * | 2009-07-30 | 2012-05-23 | 西荣科技有限公司 | Pir motion sensor system |
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