JPH0432030U

JPH0432030U -

Info

Publication number: JPH0432030U
Application number: JP7404090U
Authority: JP
Priority date: 1990-07-12
Filing date: 1990-07-12
Publication date: 1992-03-16

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図は第１図の断面ＢＢを示
す図、第３図は従来の赤外線検出装置を示す断面
図、第４図は第３図の断面ＡＡを示す図である。１はベース、２はレンズユニツト、３は赤外線
検出素子、４はデユワ、５はコールドフインガー
、６はコンプレツサー、７はコネクテイングパイ
プ、９は放熱ブロツク、１０は第１のホルダー、
１１は回路基板、１２はコネクター、１３は第２
のホルダー、１４は放熱フイン、１５は第３のフ
アン、１６はケース、１７はハウジング、１８は
レンズ、１９は第３のホルダー、２０は第１のＯ
リング、２１は第２のＯリング、２２は第３のＯ
リング、２３は第４のＯリング、２４はポツテイ
ング剤、２８は冷却空気、２９はベースの第１の
プレート、３０はベースの第２のプレート、３１
はベースの第１のブロツク、３２はベースの第２
のブロツクである。なお、図中同一符号は同一、
または相当部分を示す。 FIG. 1 is a sectional view showing an infrared detection device according to an embodiment of the present invention, FIG. 2 is a view taken along cross section BB in FIG. 1, FIG. 3 is a sectional view showing a conventional infrared detection device, and FIG. 4 3 is a diagram showing cross section AA in FIG. 3. FIG. 1 is a base, 2 is a lens unit, 3 is an infrared detection element, 4 is a dewar, 5 is a cold finger, 6 is a compressor, 7 is a connecting pipe, 9 is a heat radiation block, 10 is a first holder,
11 is a circuit board, 12 is a connector, 13 is a second
holder, 14 is a heat radiation fin, 15 is a third fan, 16 is a case, 17 is a housing, 18 is a lens, 19 is a third holder, 20 is a first O
ring, 21 is the second O-ring, 22 is the third O-ring
ring, 23 is the fourth O-ring, 24 is the potting agent, 28 is the cooling air, 29 is the first plate of the base, 30 is the second plate of the base, 31
is the first block of the base, 32 is the second block of the base
This is the block. In addition, the same symbols in the figures are the same,
or a significant portion.

Claims

[Scope of utility model registration request]

A first plate having a hole, a second plate forming a right angle to the first plate, and a first block and a second block having a semi-cylindrical groove on the upper surface of the second plate are integrally molded. a lens unit that engages with a first plate of the base; a cylindrical dewar that is disposed on the same axis as the lens unit and that incorporates an infrared detection element; and a cylindrical dewar that engages with the dewar. a cylindrical cold finger having one end in contact with the infrared detection element and the other end in contact with the second block of the base; a connecting pipe connecting the cold finger with one end; a compressor connected to the other end of the cold finger to form a second plate of the base; and a heat transfer block having a semi-cylindrical groove that contacts the other end of the cold finger and engages with the second block of the base. , a first holder having a semi-cylindrical groove that holds the deyuwa together with a first block of the base; a circuit board disposed around the deyuwa; and exchange of signals, etc. between the circuit board and the outside. a second holder that holds the connector; a heat radiation fin that engages with the lower surface of the second plate of the base; a third fan that blows air to the heat radiation fin; a case having a plurality of holes in addition to the hole through which the fan of No. 3 protrudes; a housing having a hole that engages with the front surface of the case; an infrared transmitting plate disposed on the inner surface of the housing; and holding the infrared transmitting plate. a third holder, a first O-ring that seals between the housing and the lens, a second O-ring that seals between the housing and the case, and a third O-ring that seals between the base and the case. an infrared ray comprising an O-ring, a fourth O-ring for sealing between the case and the second holder, and a potting agent for sealing between the connector and the second holder. Detection device.