JPH042173U

JPH042173U -

Info

Publication number: JPH042173U
Application number: JP4190490U
Authority: JP
Priority date: 1990-04-19
Filing date: 1990-04-19
Publication date: 1992-01-09

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す原理図、第
２図はそのブロツク図、第３図は従来の全周を２
つのセンサで捜索する場合の一実施例を示す原理
図である。図において、１ａは低中仰角用第１赤外線窓、
１ｂは低中仰角用第２赤外線窓、１ｃは高仰角用
赤外線窓、１ｄは低仰角用第１赤外線窓、１ｅは
低仰角用第２赤外線窓、２ａは低中仰角用第１反
射ミラー、２ｂは低中仰角用第２反射ミラー、３
ａは低中仰角用超広角第１レンズ、３ｂは低中仰
角用超広角第２レンズ、３ｅは高仰角用超広角レ
ンズ、４ａは低中仰角用第１センサ、４ｂは低中
仰角用第２センサ、４ｅは高仰角用センサ、５ａ
は低中仰角用第１赤外線窓に入射する赤外線仰角
域、５ｂは低中仰角用第２赤外線窓に入射する赤
外線仰角域、５ｃは高仰角用赤外線窓に入射する
赤外線仰角域、６ａ，６ｂは各センサごとのスリ
ツプリング、７ａ，７ｂ，７ｃは各センサごとの
Ａ，Ｄ変換器、８は低中仰角用画像メモリ、９は
高仰角用画像メモリ、１０は画像信号処理装置、
１１は低中仰角用表示装置、１２は高仰角用表示
装置である。なお、図中同一あるいは相当部分に
は同一符号を付して示してある。 Figure 1 is a principle diagram showing one embodiment of this invention, Figure 2 is its block diagram, and Figure 3 shows the entire circumference of the conventional device.
FIG. 2 is a principle diagram showing an example of searching using one sensor. In the figure, 1a is the first infrared window for low and medium elevation angles;
1b is a second infrared window for low and medium elevation angles, 1c is an infrared window for high elevation angles, 1d is a first infrared window for low elevation angles, 1e is a second infrared window for low elevation angles, 2a is a first reflection mirror for low and medium elevation angles, 2b is a second reflection mirror for low and medium elevation angles, 3
a is an ultra-wide-angle first lens for low-medium elevation angles, 3b is an ultra-wide-angle second lens for low-medium elevation angles, 3e is an ultra-wide-angle lens for high elevation angles, 4a is a first sensor for low-medium elevation angles, and 4b is a first sensor for low-medium elevation angles. 2 sensors, 4e is high elevation angle sensor, 5a
5b is the elevation range of infrared rays incident on the first infrared window for low and medium elevation angles; 5b is the elevation range of infrared rays incident on the second infrared window for low and medium elevation angles; 5c is the elevation range of infrared rays incident on the infrared window for high elevation angles; 7a, 7b, 7c are A and D converters for each sensor; 8 is an image memory for low and medium elevation angles; 9 is an image memory for high elevation angles; 10 is an image signal processing device;
11 is a display device for low and medium elevation angles, and 12 is a display device for high elevation angles. It should be noted that the same or corresponding parts in the figures are indicated by the same reference numerals.

Claims

[Scope of utility model registration request]

A low-medium elevation infrared window that lets infrared rays in the low-medium elevation range enter, a low-medium elevation reflection mirror that reflects the infrared rays incident on the low-medium elevation infrared window, and a sensor that detects the infrared rays reflected by the low-medium elevation reflection mirror. A rotating low-medium elevation angle sensor section has a low-medium elevation angle sensor that detects infrared rays focused by the low-medium elevation angle ultra-wide-angle lens, and a low-medium elevation angle sensor section that detects infrared rays focused by the low-medium elevation angle ultra-wide-angle lens, and A high-elevation infrared window that allows infrared rays to enter, a high-elevation ultra-wide-angle lens that focuses the infrared rays incident on the high-elevation infrared window onto a sensor, and a high-elevation angle that detects the infrared rays focused by the high-elevation ultra-wide-angle lens. An infrared monitoring device that makes it possible to monitor entire hemisphere space by combining a fixed high-elevation-angle sensor unit with a sensor for high elevation angles.