JPH0360038U

JPH0360038U -

Info

Publication number: JPH0360038U
Application number: JP12179089U
Authority: JP
Priority date: 1989-10-18
Filing date: 1989-10-18
Publication date: 1991-06-13

Description

[Brief explanation of drawings]

第１図は本考案の一実施例による赤外線検出装
置を示す断面図、第２図は本考案のコールドフイ
ンガーとハニカム放熱フインの断面図、第３図は
ハニカム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断面図、第５図は第４図の断
面ＢＢを示す図である。１…レンズユニツト、２…ホルダー、３…デユ
ワ、４…コールドフインガー、５…コンプレツサ
ー、６…コネクテイングパイプ、７…第１のフア
ン、８…第２のフアン、９…回路基板、１０…気
密コネクタ、１１…ケース、１３…冷却空気、１
４…赤外線検出装置、１５…放熱器、１６…冷却
液取入れパイプ、１７…冷却液吐出しパイプ、１
８…ポンプ、１９…冷却液の流れ、２０…冷却器
、２１…ポンプと冷却器のコネクテイングパイプ
、２２…電子冷却素子を示す。なお、図中同一符
号は同一、又は相当部分を示す。 FIG. 1 is a cross-sectional view showing an infrared detection device according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of a cold finger and a honeycomb heat radiation fin of the present invention, FIG. 3 is a perspective view of the honeycomb heat radiation fin, and FIG. The figure is a sectional view showing a conventional infrared detection device, and FIG. 5 is a view showing the cross section BB of FIG. 4. DESCRIPTION OF SYMBOLS 1... Lens unit, 2... Holder, 3... Deflector, 4... Cold finger, 5... Compressor, 6... Connecting pipe, 7... First fan, 8... Second fan, 9... Circuit board, 10... Airtight connector, 11... Case, 13... Cooling air, 1
4...Infrared detection device, 15...Radiator, 16...Cooling liquid intake pipe, 17...Cooling liquid discharge pipe, 1
8... Pump, 19... Flow of cooling liquid, 20... Cooler, 21... Connecting pipe between pump and cooler, 22... Electronic cooling element. Note that the same reference numerals in the figures 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 disposed on the same axis as the lens unit, and has an infrared detection element built therein;
A cylindrical cold finger that engages with the dewar and has one end in contact with the infrared detection element, a U-shaped connecting pipe that is internally connected to the cold finger, and a U-shaped connecting pipe that is internally connected to the connecting pipe. , and a compressor having fins on the outside, a thermoelectric cooling element for heat dissipation of the cold finger that engages with the other end of the cold finger, and a heat dissipation surface of the thermoelectric cooling element and a heat dissipation surface of the compressor arranged so as to be in contact with each other. a radiator having honeycomb heat dissipation fins; a pump connected to the radiator by a coolant intake pipe; a cooler connected to the radiator by a coolant discharge pipe; An infrared detection device comprising: a connecting pipe between a pump and a cooler, a circuit board placed in parallel with the dewar, and a case housing the parts.