JPH0464735U - - Google Patents
Info
- Publication number
- JPH0464735U JPH0464735U JP10779390U JP10779390U JPH0464735U JP H0464735 U JPH0464735 U JP H0464735U JP 10779390 U JP10779390 U JP 10779390U JP 10779390 U JP10779390 U JP 10779390U JP H0464735 U JPH0464735 U JP H0464735U
- Authority
- JP
- Japan
- Prior art keywords
- infrared detection
- space
- infrared
- pressure
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 2
- 239000000112 cooling gas Substances 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 2
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
第１図は、この考案の一実施例を示す赤外線検
出装置の断面図、第２図は、この考案の圧力調整
弁が作用している状態を示す赤外線検出装置の断
面図、第３図は従来の赤外線検出装置を示す断面
図である。
図において、１は赤外線検知素子、２は赤外線
検出器、３はノズル、４は第１のパイプ、５は断
熱糸、６は円柱体、７は第２のパイプ、８は噴流
、９は排出気体、１０は冷却空間、１１は圧力調
整弁である。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 of an infrared detection device showing an embodiment of this invention, FIG. 2 is a sectional view of the infrared detection device showing a state in which the pressure regulating valve of this invention is in operation, and FIG. FIG. 2 is a cross-sectional view showing a conventional infrared detection device. In the figure, 1 is an infrared detection element, 2 is an infrared detector, 3 is a nozzle, 4 is a first pipe, 5 is an insulating thread, 6 is a cylindrical body, 7 is a second pipe, 8 is a jet, and 9 is a discharge 10 is a cooling space, and 11 is a pressure regulating valve. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
した赤外線検出器と、上記赤外線検知素子を極低
温に冷却するためのジユールトムソン効果を利用
した冷却装置を備えた赤外線検出装置において、
上記二重筒構造の筒と外気とを連通する部分に設
けられ、赤外線検知素子を冷却する空間（冷却ガ
スの噴きだす空間）の圧力によつて開閉し、上記
空間の圧力を一定に保つ弁を備えたことを特徴と
する赤外線検出装置。 In an infrared detection device equipped with an infrared detector having a double-tube structure in which an infrared detection element is mounted inside, and a cooling device that utilizes the Joule-Thomson effect to cool the infrared detection element to an extremely low temperature,
A valve that is installed in the part that communicates the double cylinder structure with the outside air and opens and closes depending on the pressure of the space that cools the infrared sensing element (the space where cooling gas is spouted) to keep the pressure of the space constant. An infrared detection device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10779390U JPH0464735U (en) | 1990-10-15 | 1990-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10779390U JPH0464735U (en) | 1990-10-15 | 1990-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0464735U true JPH0464735U (en) | 1992-06-03 |
Family
ID=31854476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10779390U Pending JPH0464735U (en) | 1990-10-15 | 1990-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0464735U (en) |
-
1990
- 1990-10-15 JP JP10779390U patent/JPH0464735U/ja active Pending