JPH0227532U

JPH0227532U -

Info

Publication number: JPH0227532U
Application number: JP10566288U
Authority: JP
Priority date: 1988-08-10
Filing date: 1988-08-10
Publication date: 1990-02-22

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例による赤外線検出装
置を示す斜視図、第２図は本考案の断面ＡＡを示
す断面図、第３図は本考案のコールドフインガー
とブツシユと放熱フインの斜視図、第４図は従来
の赤外線検出装置を示す平面図、第５図は従来の
赤外線検出装置を示す断面ＢＢ図である。１はレンズユニツト、２はホルダー、３はデユ
ワ、４はコールドフインガー、５はコンプレツサ
ー、６はコネクテイングパイプ、７はフアン、８
はブツシユ、９はダクト、１０は放熱フイン、１
１はケース、１２はダクト、１３は冷却空気、１
４は赤外線検出素子である。なお、図中、同一符
号は同一、又は相当部分を示す。 Fig. 1 is a perspective view showing an infrared detection device according to an embodiment of the present invention, Fig. 2 is a sectional view showing cross section AA of the invention, and Fig. 3 is a perspective view of the cold finger, bushing, and heat dissipation fin of the invention. 4 is a plan view showing a conventional infrared detection device, and FIG. 5 is a cross-sectional BB diagram showing the conventional infrared detection device. 1 is a lens unit, 2 is a holder, 3 is a dewar, 4 is a cold finger, 5 is a compressor, 6 is a connecting pipe, 7 is a fan, 8
is a bush, 9 is a duct, 10 is a heat dissipation fin, 1
1 is the case, 12 is the duct, 13 is the cooling air, 1
4 is an infrared detection element. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A lens unit, a holder with which the lens unit is engaged, a cylindrical dewar that engages with the holder and is arranged on the same axis as the lens unit and has an infrared detection element built in, and a deyuwa that engages with the deyuwa. a cylindrical cold finger with one end in contact with the infrared detection element, a U-shaped connecting pipe internally connected with the cold finger, and a lens unit internally connected with the connecting pipe. a compressor arranged parallel to the axis and having fins on the outside; a ring-shaped pushpiece with a brim that engages with the other end of the cold finger; and a corrugated fin that engages with the pushbutton. A heat dissipation fin, a fan disposed parallel to the heat dissipation fin, a duct disposed to engage with the fan and covering the compressor, a circuit board disposed parallel to the duct, and the component. An infrared detection device comprising: a case for storing the device; and a case for storing the device.