JPH0451638U

JPH0451638U -

Info

Publication number: JPH0451638U
Application number: JP9435290U
Authority: JP
Priority date: 1990-09-07
Filing date: 1990-09-07
Publication date: 1992-04-30

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
置を示す断面図、第２図は本考案のコールドフイ
ンガーと放熱フインの断面図、第３図は板状放熱
フインを有する放熱器の斜視図、第４図は従来の
赤外線検出装置を示す斜視図、第５図は第３図の
断面Ｂ，Ｂを示す図面である。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、７，８はフアン
、９は回路基板、１０はブツシユ、１１はケース
、１４は赤外線検出素子、１５は板状放熱フイン
を有する放熱器、１６は冷却水取り入れパイプ、
１７は冷却水吐き出しパイプ、１８は冷却水ポン
プ、１９は冷却水、２０は冷却水用の冷却器、２
１は冷却器冷却水ポンプ間のコネクテイングパイ
プ、２２は電源部である。なお図中同一符号は同
一、又は相当部分を示す。 Fig. 1 is a cross-sectional view showing an infrared detection device according to an embodiment of the present invention, Fig. 2 is a cross-sectional view of the cold finger and heat dissipation fin of the present invention, and Fig. 3 is a perspective view of a radiator having plate-shaped heat dissipation fins. 4 are perspective views showing a conventional infrared detection device, and FIG. 5 is a drawing showing cross sections B and B in FIG. 3. 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 and 8 are fans, 9 is a circuit board, 10 is a bushing, 11 is a case, and 14 is a An infrared detection element, 15 a radiator having plate-shaped heat radiating fins, 16 a cooling water intake pipe,
17 is a cooling water discharge pipe, 18 is a cooling water pump, 19 is a cooling water, 20 is a cooler for cooling water, 2
1 is a connecting pipe between the cooler cooling water pumps, and 22 is a power supply section. 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 in, and a deyuwa that engages with the deyuwa. a cylindrical cold finger that is connected to the infrared detection element at one end; a bush that has a ring-shaped collar that engages the other end of the cold finger; and a U-shaped bush that is internally connected to the cold finger. a connecting pipe, a compressor internally connected to the connecting pipe, a radiator having plate-shaped heat radiating fins arranged so as to be in contact with a heat radiating surface of the bush and a heat radiating surface of the compressor, and the radiator. A cooling water pump connected to the above radiator by a cooling water intake pipe, a cooler connected to the above radiator by a cooling water discharge pipe, and a connection between the cooling water pump and the cooler connecting the above cooling water pump and the above cooler. A circuit board having a heat conduction plate having a contact surface between the heating pipe and the heat radiator, a power supply section having a heat radiation surface with the heat radiator, and a case housing each of the above parts. Features an infrared detection device.