JPS637612B2 - - Google Patents
Info
- Publication number
- JPS637612B2 JPS637612B2 JP55180632A JP18063280A JPS637612B2 JP S637612 B2 JPS637612 B2 JP S637612B2 JP 55180632 A JP55180632 A JP 55180632A JP 18063280 A JP18063280 A JP 18063280A JP S637612 B2 JPS637612 B2 JP S637612B2
- Authority
- JP
- Japan
- Prior art keywords
- infrared detector
- concave mirror
- pyroelectric
- infrared
- detector
- 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 6
- 239000002131 composite material Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000003705 background correction Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 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
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- 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
- G08B13/191—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 pyroelectric sensor means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Radiation Pyrometers (AREA)
Description
【発明の詳細な説明】
本発明は、例えば侵入者検知器と火災検知器と
の兼用、バツクグラウンドの補正等に有効な集光
型複合赤外線検出器を提供するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention provides a condensing type composite infrared detector that is effective for dual use as an intruder detector and a fire detector, for background correction, and the like.
先ず、本発明の実施例を図面に基づいて説明す
ると、第１図、第２図は本発明に係る集光型複合
赤外線検出器の一例を示し、１は金属製又はプラ
スチツク製のケース２に加工された凹面鏡、３は
凹面鏡１の中央に配置され、かつ、ケース２に対
して固定状態に取り付けられた絶縁基板であり、
凹面鏡１を２分割している。絶縁基板３の片面に
は焦電型赤外線検出器４が、他面には熱電堆型赤
外線検出器５がそれぞれ取り付けられており、凹
面鏡１に入射した平行光線（赤外光線）はこれら
両検出器４，５の受光面に焦点を結ぶように構成
されている。６は赤外線透過窓、７は焦電素子電
極、８は焦電物質、９は熱電堆第１物質、１０は
熱電堆第２物質、１１は絶縁フイルムである。１
２は焦電型赤外線検出器４用のＪ・FET及びハ
イブリツド回路、１３は熱電堆型赤外線検出器５
用のハイブリツド回路、１４はリードピン、１５
は封止用接着剤である。 First, an embodiment of the present invention will be explained based on the drawings. Figs. 1 and 2 show an example of a condensing type composite infrared detector according to the present invention, and 1 is a case 2 made of metal or plastic. The processed concave mirror 3 is an insulating substrate placed in the center of the concave mirror 1 and fixedly attached to the case 2,
The concave mirror 1 is divided into two parts. A pyroelectric infrared detector 4 is attached to one side of the insulating substrate 3, and a thermoelectric infrared detector 5 is attached to the other side, and parallel rays (infrared rays) incident on the concave mirror 1 are detected by both of them. It is configured to focus on the light receiving surfaces of the devices 4 and 5. 6 is an infrared transmitting window, 7 is a pyroelectric element electrode, 8 is a pyroelectric material, 9 is a first thermopile material, 10 is a second thermopile material, and 11 is an insulating film. 1
2 is the J-FET and hybrid circuit for the pyroelectric infrared detector 4, and 13 is the thermoelectric infrared detector 5.
14 is a lead pin, 15 is a hybrid circuit for
is a sealing adhesive.
上記の構成によれば、例えば侵入者の出入りな
ど急激な過渡現象は焦電型赤外線検出器４で検出
され、気温などゆるやかな環境温度変化は熱電堆
型赤外線検出器５で検出され、２種類の異なる検
出信号が出力されるので、例えば、焦電型赤外線
検出器４の設定レベルを、室温に対応して出力さ
れる熱電堆型赤外線検出器５の検出信号によつて
補正するといつた信号処理が可能である。また、
焦電型赤外線検出器４で、急激な温度変化を伴う
何らかの事態が発生したことを検出し、熱電堆型
赤外線検出器５によつてその温度を測定するとい
つた信号処理が可能である。 According to the above configuration, sudden transient phenomena such as the coming and going of an intruder are detected by the pyroelectric infrared detector 4, and gradual environmental temperature changes such as air temperature are detected by the thermopile infrared detector 5. Since different detection signals are output, for example, a signal that corrects the setting level of the pyroelectric infrared detector 4 by the detection signal of the thermopile infrared detector 5 output corresponding to room temperature. Processing is possible. Also,
Signal processing is possible in which the pyroelectric infrared detector 4 detects the occurrence of a situation accompanied by a rapid temperature change, and the thermoelectric pile infrared detector 5 measures the temperature.
さらに、前記赤外線透過窓６に装着されるフイ
ルターとして、一方の赤外線検出器４又は５に対
応する部分に高温用フイルタを用い、他方の赤外
線検出器５又は４に対応する部分には低温用フイ
ルタを用いることによつて、例えば、一方の赤外
線検出器４又は５で火災の発生を検知し、他方の
赤外線検出器５又は４で侵入者の有無を検知する
といつたように、極端に温度レベルの異なる２種
数の現象を検知することが可能である。 Further, as a filter attached to the infrared transmitting window 6, a high temperature filter is used in a portion corresponding to one infrared detector 4 or 5, and a low temperature filter is used in a portion corresponding to the other infrared detector 5 or 4. By using the It is possible to detect two different types of phenomena.
以上のように、本発明によれば、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、この絶縁基板の両面であつて前記凹面鏡の
焦点上に、焦電型赤外線検出器ともう一つの赤外
線検出器とをそれぞれ設けているので、絶縁基板
の両面にそれぞれ設けた赤外線検出器に対して確
実に赤外光線を入射させることができ、その検出
感度が向上する。そして、上記構成によれば、バ
ツクグラウンドの補正、急激な温度変化を伴う事
態の発生とその温度測定といつた信号処理が可能
であり、さらには、侵入者検知器と火災検知器と
の兼用化等が可能になる等の効果がある。 As described above, according to the present invention, an insulating substrate is provided at the center of the concave mirror and fixed to the case, and a pyroelectric infrared detection Since an infrared detector and another infrared detector are respectively provided, infrared rays can be reliably incident on the infrared detectors provided on both sides of the insulating substrate, and the detection sensitivity thereof is improved. According to the above configuration, it is possible to perform signal processing such as background correction, the occurrence of situations involving sudden temperature changes, and temperature measurement, and furthermore, it can be used as both an intruder detector and a fire detector. This has the effect of making it possible to
図面は本発明の実施例を示し、第１図は縦断側
面図、第２図は第１図の―線断面図、第３図
は電気回路図である。
１…凹面鏡、２…ケース、３…絶縁基板、４…
焦電型赤外線検出器、５…熱電堆型赤外線検出
器。
The drawings show an embodiment of the present invention, and FIG. 1 is a longitudinal sectional side view, FIG. 2 is a sectional view taken along the line -- in FIG. 1, and FIG. 3 is an electric circuit diagram. 1... Concave mirror, 2... Case, 3... Insulating board, 4...
Pyroelectric type infrared detector, 5...Thermoelectric pile type infrared detector.
Claims (1)
状態に絶縁基板を設け、この絶縁基板の両面であ
つて前記凹面鏡の焦点上に、焦電型赤外線検出器
ともう一つの赤外線検出器とをそれぞれ設けたこ
とを特徴とする集光型複合赤外線検出器。1. An insulating substrate is provided in the center of the concave mirror and fixed to the case, and a pyroelectric infrared detector and another infrared detector are installed on both sides of the insulating substrate and on the focal point of the concave mirror. A condensing type composite infrared detector characterized by the following:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18063280A JPS57104826A (en) | 1980-12-20 | 1980-12-20 | Condensing type compound infrared rays detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18063280A JPS57104826A (en) | 1980-12-20 | 1980-12-20 | Condensing type compound infrared rays detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57104826A JPS57104826A (en) | 1982-06-30 |
| JPS637612B2 true JPS637612B2 (en) | 1988-02-17 |
Family
ID=16086587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18063280A Granted JPS57104826A (en) | 1980-12-20 | 1980-12-20 | Condensing type compound infrared rays detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57104826A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60102633U (en) * | 1983-12-19 | 1985-07-12 | 株式会社村田製作所 | Composite pyroelectric infrared detector |
| DE3532476A1 (en) * | 1985-09-11 | 1987-03-19 | Siemens Ag | PYRODETECTOR FOR DETECTING A BODY ENTRYING IN ITS DETECTION AREA |
| JPS6355426A (en) * | 1986-08-26 | 1988-03-09 | Chino Corp | Radiation thermometer |
| JPS63139223A (en) * | 1986-12-02 | 1988-06-11 | Murata Mfg Co Ltd | Pyroelectric type infrared-ray sensor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54105585U (en) * | 1978-01-09 | 1979-07-25 | ||
| JPS54113478U (en) * | 1978-01-23 | 1979-08-09 |
-
1980
- 1980-12-20 JP JP18063280A patent/JPS57104826A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57104826A (en) | 1982-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5045702A (en) | Infrared intrustion detector | |
| US3839640A (en) | Differential pyroelectric sensor | |
| JPS6146768B2 (en) | ||
| JPH01116419A (en) | Infrared detector | |
| JPH0631387Y2 (en) | Pyroelectric infrared sensor | |
| JPS637612B2 (en) | ||
| US4445034A (en) | Compound infrared detector | |
| WO1999041575A1 (en) | Infrared detector element, and infrared sensor unit and infrared detector using infrared detector element | |
| JPS6177728A (en) | Thermocouple type infrared detecting element | |
| JP2008519972A (en) | Infrared detector | |
| CA1182197A (en) | Photoelectric detector | |
| GB2105460A (en) | Radiation detectors | |
| JPH1019670A (en) | Human body detection sensor device | |
| JP2005207830A (en) | Infrared sensor | |
| JPH1137847A (en) | Narrow-field thermistor bolometer | |
| JPH04346037A (en) | Pyroelectric type infrared-ray sensor | |
| JPH08178748A (en) | Pyroelectric array sensor | |
| JPH0224523A (en) | Pyroelectric type infrared-ray detector | |
| JPH0145119B2 (en) | ||
| JPH02272330A (en) | Infrared sensor for detecting mobile object | |
| JPH0447634Y2 (en) | ||
| JPH0412434Y2 (en) | ||
| JP2987543B2 (en) | Thermistor thin film element and human body heat detector using the same | |
| JPH04287Y2 (en) | ||
| JP2001033566A (en) | Human body detecting device |