JPH0376132U

JPH0376132U -

Info

Publication number: JPH0376132U
Application number: JP13790789U
Authority: JP
Priority date: 1989-11-28
Filing date: 1989-11-28
Publication date: 1991-07-30

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
ンガーとコルゲートフインの断面図、第３図はコ
ルゲートフインの斜視面、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Ｂ
Ｂ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、１４……赤外線検出素子
、１５……放熱器、１６……冷却液取り入れパイ
プ、１７……冷却液吐き出しパイプ、１８……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 sectional view showing an infrared detection device according to an embodiment of the present invention, Fig. 2 is a sectional view of the cold finger and corrugated fin of the invention, Fig. 3 is a perspective view of the corrugated fin, and Fig. 4 is A cross-sectional view showing a conventional infrared detection device, FIG. 5 is cross-section B of FIG. 4.
It is a figure showing B. 1...Lens unit, 2...Holder, 3...
...Duwa, 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, 14...Infrared detection element, 15...Radiator, 16...Cooling liquid intake pipe, 17...Cooling liquid discharge pipe, 18 ... pump, 19 ... coolant flow, 20 ... cooler,
21 shows a connecting pipe between the pump and the cooler, 22 shows an electronic cooling 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 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 corrugated fins; a pump connected to the radiator by a coolant intake pipe; a cooler connected to the radiator by a coolant discharge pipe; and a pump and the cooler. An infrared detection device comprising: a connecting pipe between a pump and a cooler; a circuit board disposed in parallel with the dewar; and a case housing the components.