JPS63152531U - - Google Patents
Info
- Publication number
- JPS63152531U JPS63152531U JP4374087U JP4374087U JPS63152531U JP S63152531 U JPS63152531 U JP S63152531U JP 4374087 U JP4374087 U JP 4374087U JP 4374087 U JP4374087 U JP 4374087U JP S63152531 U JPS63152531 U JP S63152531U
- Authority
- JP
- Japan
- Prior art keywords
- pyroelectric infrared
- infrared detecting
- view
- pyroelectric
- pair
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Radiation Pyrometers (AREA)
- Burglar Alarm Systems (AREA)
Description
第１図ａ，ｂは本考案の焦電形赤外線検出装置
の一実施例を示す平面図及び正面断面図、第２図
はミラーの展開図、第３図ａ，ｂは金属板を加工
した環状の一体ミラーの平面図及び正面断面図、
第４図は本考案装置の動作説明図、第５図ａは焦
電形赤外線検出素子の出力を示す波形図、第５図
ｂはＦＥＴの出力を示す波形図、第６図ａ，ｂは
従来の焦電形赤外線装置の一例の平面図及び正面
断面図、第７図は焦電形赤外線検出装置に適用す
る電気回路図、第８図は従来の動作説明図、第９
図ａ，ｂは赤外線センサの素子とＦＥＴとの出力
を示す波形図、第１０図は従来の焦電形赤外線検
出装置の他の平面図である。
図中の１は焦電形赤外線検出装置、２は金属板
、２ａは長辺、２ｂは切欠き部、２ｃは連結部、
２ｄ１，２ｄ２は接合部、３ａは支持部、４，４
ａはミラー片、４ｂは補助体、３は一体ミラー、
２１ａ，２１ｂは焦電形赤外線検出素子、２２は
ＦＥＴ回路、２３は焦電形赤外線センサ、２４は
回路部品、２５は筐体、２６はカバー、２６は光
学フイルタ、２８は位置決め溝である。
Figures 1 a and b are a plan view and a front sectional view showing an embodiment of the pyroelectric infrared detection device of the present invention, Figure 2 is a developed view of the mirror, and Figures 3 a and b are processed metal plates. A plan view and a front sectional view of an annular integral mirror,
FIG. 4 is an explanatory diagram of the operation of the device of the present invention, FIG. 5 a is a waveform diagram showing the output of the pyroelectric infrared detection element, FIG. 5 b is a waveform diagram showing the output of the FET, and FIGS. 6 a and b are A plan view and a front sectional view of an example of a conventional pyroelectric infrared device, FIG. 7 is an electric circuit diagram applied to the pyroelectric infrared detection device, FIG. 8 is a conventional operation explanatory diagram, and FIG.
Figures a and b are waveform diagrams showing the outputs of the elements of the infrared sensor and the FET, and Figure 10 is another plan view of the conventional pyroelectric infrared detection device. In the figure, 1 is a pyroelectric infrared detector, 2 is a metal plate, 2a is a long side, 2b is a notch, 2c is a connecting part,
2d1 and 2d2 are joint parts, 3a is a support part, 4, 4
a is a mirror piece, 4b is an auxiliary body, 3 is an integral mirror,
21a and 21b are pyroelectric infrared detection elements, 22 is an FET circuit, 23 is a pyroelectric infrared sensor, 24 is a circuit component, 25 is a housing, 26 is a cover, 26 is an optical filter, and 28 is a positioning groove.
Claims (1)
のミラー片を配設した焦電形赤外線検出装置にお
いて、前記ミラー片の内の一つから延出して前記
一対の焦電形赤外線検出素子間を二分するように
設けて、前記焦電形赤外線検出素子に入射する赤
外線の一部を遮る補助体を配置したことを特徴と
する焦電形赤外線検出装置。 In a pyroelectric infrared detecting device in which a plurality of mirror pieces are arranged with a pair of pyroelectric infrared detecting elements in the middle, a pyroelectric infrared detecting element extends from one of the mirror pieces and extends between the pair of pyroelectric infrared detecting elements. 1. A pyroelectric infrared detecting device, characterized in that an auxiliary body is disposed so as to divide the infrared rays into two, and block a part of the infrared rays incident on the pyroelectric infrared detecting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4374087U JPH0519789Y2 (en) | 1987-03-25 | 1987-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4374087U JPH0519789Y2 (en) | 1987-03-25 | 1987-03-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63152531U true JPS63152531U (en) | 1988-10-06 |
| JPH0519789Y2 JPH0519789Y2 (en) | 1993-05-25 |
Family
ID=30860886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4374087U Expired - Lifetime JPH0519789Y2 (en) | 1987-03-25 | 1987-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0519789Y2 (en) |
-
1987
- 1987-03-25 JP JP4374087U patent/JPH0519789Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0519789Y2 (en) | 1993-05-25 |