JPH0457178U

JPH0457178U -

Info

Publication number: JPH0457178U
Application number: JP9770590U
Authority: JP
Priority date: 1990-09-18
Filing date: 1990-09-18
Publication date: 1992-05-15

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
ＢＢを示す図である。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、７，８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は林立する棒状フ
インを有する放熱器、１６は冷却水取入れパイプ
、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、
２１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 sectional view showing an infrared detection device according to an embodiment of the present invention, FIG. 2 is a sectional view of a cold finger and a heat radiation fin of the present invention, and FIG. 3 is a perspective view of a radiator having a heat radiation fin. FIG. 4 is a perspective view of a conventional infrared detection device, and FIG. 5 is a cross-section BB of 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 a forest of rod-shaped fins, 16 a cooling water intake pipe, 17 a cooling water discharge pipe, 18 a cooling water pump, 19 a cooling water, 20 a cooling water cooler,
21 is a connecting pipe between the cooler and the cooling water pump, 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 therein;
A cylindrical cold finger that engages with the dewar and has one end in contact with the infrared detection element, and a bush that has a ring-shaped collar that engages with the other end of the cold finger and is internally connected to the cold finger. A heat radiator having a U-shaped connecting pipe, a compressor internally connected to the connecting pipe, and a series of rod-shaped heat radiating fins arranged so as to be in contact with the heat radiating surface of the bush and the heat radiating surface of the compressor. vessel,
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, a cooling water pump/cooler connecting the above cooling water pump and the above cooler. a circuit board having a heat conductive plate having a contact surface between a connecting pipe and the radiator;
An infrared detecting device comprising: a power supply section having a heat dissipation surface that communicates with the radiator; and a case that houses each of the sections.