JPS634652B2 - - Google Patents
Info
- Publication number
- JPS634652B2 JPS634652B2 JP55180633A JP18063380A JPS634652B2 JP S634652 B2 JPS634652 B2 JP S634652B2 JP 55180633 A JP55180633 A JP 55180633A JP 18063380 A JP18063380 A JP 18063380A JP S634652 B2 JPS634652 B2 JP S634652B2
- Authority
- JP
- Japan
- Prior art keywords
- concave mirror
- insulating substrate
- infrared detector
- visible light
- focal point
- 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
Links
- 239000000758 substrate Substances 0.000 claims description 17
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 230000035945 sensitivity 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/34—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
- G08B13/193—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using focusing means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Radiation Pyrometers (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、集光用の凹面鏡と焦電素子等の赤外
線検出器とを一体化した集光型赤外線検出器に関
する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a condensing infrared detector that integrates a concave mirror for condensing light and an infrared detector such as a pyroelectric element.
近時、赤外線に対する感度が高く、広い検出範
囲を有するものとして、凹面鏡の焦点位置に赤外
線検出器を配置し、凹面鏡内に入射してくる赤外
線を光学的に増幅して赤外線検出器の位置に集光
させるようにした集光型赤外線検出器がある。
Recently, as a device with high sensitivity to infrared rays and a wide detection range, an infrared detector is placed at the focal point of a concave mirror, and the infrared rays entering the concave mirror are optically amplified and sent to the infrared detector position. There is a condensing infrared detector that condenses light.
而して、上記集光型赤外線検出器を建物等に設
置する場合、赤外線受光部分の視野チエツク、つ
まり、赤外線検出器が所定の向きに設置されてい
るか否かの確認が困難であつた。
Therefore, when the condensing infrared detector is installed in a building or the like, it is difficult to check the field of view of the infrared receiving part, that is, to confirm whether the infrared detector is installed in a predetermined direction.
本発明は、上述の事柄に留意してなされたもの
で、その目的とするところは、赤外線受光部分が
所定の向きになるように設置することができる検
出精度の高い集光型赤外線検出器を提供すること
にある。 The present invention has been made with the above-mentioned considerations in mind, and its purpose is to provide a condensing infrared detector with high detection accuracy that can be installed so that the infrared receiving part is oriented in a predetermined direction. It is about providing.
上述の目的を達成するため、本発明に係る集光
型赤外線検出器は、凹面鏡の中央で、かつ、ケー
スに対して固定状態に絶縁基板を設け、この絶縁
基板の一方の平面上であつて前記凹面鏡の焦点上
に赤外線検出器を設ける一方、前記絶縁基板の他
方の平面上であつて前記凹面鏡の焦点上に可視光
源を設けた点に特徴がある。
In order to achieve the above object, the condensing infrared detector according to the present invention is provided with an insulating substrate fixed to the case at the center of the concave mirror, and on one plane of the insulating substrate. The present invention is characterized in that an infrared detector is provided on the focal point of the concave mirror, and a visible light source is provided on the other plane of the insulating substrate and on the focal point of the concave mirror.
上記構成の集光型赤外線検出器においては、こ
れを建物等に設置する際、可視光源が凹面鏡の焦
点上に設けられているので、この可視光源から照
射される可視光は平行光線になり、この可視光の
スポツトを目視することにより、赤外線受光部分
の視野チエツクを行うことができる。
In the condensing infrared detector with the above configuration, when it is installed in a building etc., the visible light source is provided on the focal point of the concave mirror, so the visible light emitted from the visible light source becomes parallel light, By visually observing this visible light spot, it is possible to check the field of view of the infrared receiving part.
以下、本発明の一実施例を、第１図を参照しな
がら説明する。
An embodiment of the present invention will be described below with reference to FIG.
第１図において、１は金属又はプラスチツクよ
りなるケース２に加工された半割型の凹面鏡で、
放物面を平面で二分した如き形状を有する。 In Fig. 1, 1 is a half-split concave mirror machined into a case 2 made of metal or plastic.
It has a shape that resembles a paraboloid divided into two by a plane.
３は凹面鏡１の中央にその光軸と平行に配置さ
れ、かつ、ケース２に対して固定状態を取り付け
られた絶縁基板であり、凹面鏡１を二分割してい
る。この絶縁基板３の一方の平面（上面側平面）
上であつて凹面鏡１の焦点上には、赤外線検出器
の一種である焦電素子４がその電極に黒化処理を
施してなる平面上の受光面Ｓが前記光軸と平行に
位置する状態に取り付けてある。又、絶縁基板３
の他方の平面（下面側平面）上であつて凹面鏡１
の焦点上には、可視発光ダイオード等の可視光源
９が設けてある。 Reference numeral 3 denotes an insulating substrate disposed at the center of the concave mirror 1 parallel to its optical axis and fixedly attached to the case 2, dividing the concave mirror 1 into two. One plane (upper surface side plane) of this insulating substrate 3
Above, above the focal point of the concave mirror 1, a pyroelectric element 4, which is a type of infrared detector, has a flat light-receiving surface S whose electrodes are blackened, and is located parallel to the optical axis. It is attached to. In addition, the insulating substrate 3
on the other plane (bottom side plane) of concave mirror 1
A visible light source 9 such as a visible light emitting diode is provided on the focal point.
５は絶縁基板３の上面側の凹面鏡１の先端に設
けられた赤外線透過窓、１０は絶縁基板３の下面
側の凹面鏡１の先端に設けられた可視光透過窓で
ある。尚、６は絶縁基板３の端部（前記窓５，１
０とは反対側）に設けられたＪ・FET及びハイ
ブリツド回路、７はリードピン、８は封止用接着
剤である。 5 is an infrared transmitting window provided at the tip of the concave mirror 1 on the upper surface side of the insulating substrate 3, and 10 is a visible light transmitting window provided at the tip of the concave mirror 1 on the lower surface side of the insulating substrate 3. Note that 6 is the end of the insulating substrate 3 (the windows 5, 1
A J-FET and a hybrid circuit are provided on the side opposite to 0, 7 is a lead pin, and 8 is a sealing adhesive.
而して、上記構成の集光型赤外線検出器におい
て、これを建物等に設置する際、可視光源９は凹
面鏡１の焦点上に設けられているので、この可視
光源９から照射される可視光は平行光線になり、
この可視光のスポツトを目視することにより、赤
外線受光面Ｓの視野チエツク、つまり、焦電素子
４が所定の向きに設置されているか否かを容易に
確認することができる。そして、焦電素子４は凹
面鏡１の焦点上に、その受光面Ｓが平行に位置す
る状態になるように取り付けられているので、焦
電素子４の寸法の割に焦電素子４の陰になる部分
が少なく、有効視野が広くなりそれだけ高い精度
で検出することができる。 In the condensing infrared detector having the above configuration, when this is installed in a building etc., the visible light source 9 is provided on the focal point of the concave mirror 1, so that the visible light emitted from the visible light source 9 is becomes a parallel ray,
By visually observing this visible light spot, it is possible to easily check the field of view of the infrared receiving surface S, that is, whether or not the pyroelectric element 4 is installed in a predetermined direction. The pyroelectric element 4 is mounted on the focal point of the concave mirror 1 so that its light-receiving surface S is positioned parallel to the focal point of the concave mirror 1. Since there are fewer areas where the image becomes visible, the effective field of view becomes wider, and detection can be performed with higher accuracy.
又、上記のように構成した場合、夜間、焦電素
子４により侵入者その他の赤外線発生源を検出し
た後、可視光源９から可視光を照射して、当該赤
外線発生源を目視することも可能になる。 Furthermore, when configured as described above, after detecting an intruder or other infrared generation source by the pyroelectric element 4 at night, it is also possible to irradiate visible light from the visible light source 9 and visually observe the infrared generation source. become.
尚、焦電素子４に代えてサーモパイル、サーミ
スタ等を用いてもよい。 Note that a thermopile, a thermistor, or the like may be used in place of the pyroelectric element 4.
以上説明したように、本発明に係る集光型赤外
線検出器は、凹面鏡の中央で、かつ、ケースに対
して固定状態に絶縁基板を設け、この絶縁基板の
一方の平面上であつて前記凹面鏡の焦点上に赤外
線検出器を設ける一方、前記絶縁基板の他方の平
面上であつて前記凹面鏡の焦点上に可視光源を設
けているので、赤外線受光部分を正確に所定の向
きになるようにして建物等に設置することがで
き、それだけ精度高く検出することができる。
As explained above, in the condensing infrared detector according to the present invention, an insulating substrate is provided at the center of the concave mirror and fixed to the case, and the insulating substrate is provided on one plane of the insulating substrate and the concave mirror An infrared detector is provided on the focal point of the concave mirror, and a visible light source is provided on the other plane of the insulating substrate and on the focal point of the concave mirror. It can be installed in buildings, etc., and detection can be performed with higher accuracy.
第１図は本発明の一実施例を示す縦断側面図で
ある。
１……凹面鏡、２……ケース、３……絶縁基
板、４……赤外線検出器、９……可視光源。
FIG. 1 is a longitudinal sectional side view showing one embodiment of the present invention. 1... Concave mirror, 2... Case, 3... Insulating substrate, 4... Infrared detector, 9... Visible light source.
Claims (1)
状態に絶縁基板を設け、この絶縁基板の一方の平
面上であつて前記凹面鏡の焦点上に赤外線検出器
を設ける一方、前記絶縁基板の他方の平面上であ
つて前記凹面鏡の焦点上に可視光源を設けたこと
を特徴とする集光型赤外線検出器。1. An insulating substrate is provided in the center of the concave mirror and fixed to the case, and an infrared detector is provided on one plane of this insulating substrate and on the focal point of the concave mirror, while an infrared detector is provided on the other plane of the insulating substrate. A condensing infrared detector characterized in that a visible light source is provided on a plane and on the focal point of the concave mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55180633A JPS57104827A (en) | 1980-12-20 | 1980-12-20 | Condensing type infrared rays detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55180633A JPS57104827A (en) | 1980-12-20 | 1980-12-20 | Condensing type infrared rays detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57104827A JPS57104827A (en) | 1982-06-30 |
| JPS634652B2 true JPS634652B2 (en) | 1988-01-29 |
Family
ID=16086603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55180633A Granted JPS57104827A (en) | 1980-12-20 | 1980-12-20 | Condensing type infrared rays detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57104827A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0108952D0 (en) * | 2001-04-10 | 2001-05-30 | Spectraprobe Ltd | A thermal detector |
| JP4702200B2 (en) * | 2006-06-27 | 2011-06-15 | 株式会社デンソー | RECEIVER AND RADAR DEVICE PROVIDED WITH THE RECEIVER |
| DE102011076420A1 (en) | 2011-05-24 | 2012-11-29 | Excelitas Technologies Gmbh & Co. Kg | Radiation detection device, circuit |
| JP6002955B2 (en) * | 2012-04-20 | 2016-10-05 | 株式会社アウトスタンディングテクノロジー | Reflective concentrator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5621023A (en) * | 1979-07-27 | 1981-02-27 | Siemens Ag | Pyroelectric detector |
-
1980
- 1980-12-20 JP JP55180633A patent/JPS57104827A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5621023A (en) * | 1979-07-27 | 1981-02-27 | Siemens Ag | Pyroelectric detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57104827A (en) | 1982-06-30 |
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