JPH01102846U - - Google Patents
Info
- Publication number
- JPH01102846U JPH01102846U JP19910087U JP19910087U JPH01102846U JP H01102846 U JPH01102846 U JP H01102846U JP 19910087 U JP19910087 U JP 19910087U JP 19910087 U JP19910087 U JP 19910087U JP H01102846 U JPH01102846 U JP H01102846U
- Authority
- JP
- Japan
- Prior art keywords
- oxygen concentration
- thermostatic chamber
- inert gas
- gas
- sampling
- 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000011261 inert gas Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Description
第１図は本考案の実施例を示す概略側面図、第
２図は予熱及び予冷却部の他の例の説明図である
。
１……恒温槽、２……酸素濃度制御装置、２１
……不活性ガス導入管、２２……制御弁、２３…
…恒温槽内気体サンプリング管、２４……ポンプ
、２５……バツフア装置、２６……酸素センサ、
２７……調節器。
FIG. 1 is a schematic side view showing an embodiment of the present invention, and FIG. 2 is an explanatory diagram of another example of the preheating and precooling section. 1... Constant temperature chamber, 2... Oxygen concentration control device, 21
...Inert gas introduction pipe, 22...Control valve, 23...
...Gas sampling pipe in constant temperature chamber, 24...Pump, 25...Buffer device, 26...Oxygen sensor,
27...Adjuster.
Claims (1)
るための手段と、恒温槽内気体をサンプリングす
る手段と、前記サンプリングした恒温槽内気体の
酸素濃度を検出する酸素センサと、前記センサ出
力に基づく酸素濃度と予め定めた目標酸素濃度と
を比較しつつ恒温槽内酸素濃度を該目標濃度に近
づけるように前記制御弁を操作して恒温槽内へ不
活性ガスを導入する調節器とを有する酸素濃度制
御装置を備え、前記不活性ガス導入手段は、前記
恒温槽へ入る前の不活性ガスを予め加熱する予熱
部を有し、前記サンプリング手段は、前記酸素セ
ンサが曝される前のサンプリング気体を予め冷却
する予冷却部を有していることを特徴とする恒温
槽。 means for introducing an inert gas into the thermostatic chamber via a control valve, means for sampling the gas within the thermostatic chamber, an oxygen sensor for detecting the oxygen concentration of the sampled gas within the thermostatic chamber, and the sensor output. a regulator that operates the control valve to introduce an inert gas into the thermostatic chamber so as to bring the oxygen concentration in the thermostatic chamber closer to the target concentration while comparing the oxygen concentration based on the oxygen concentration with a predetermined target oxygen concentration; The inert gas introducing means has a preheating section that preheats the inert gas before entering the thermostatic chamber, and the sampling means includes an oxygen concentration control device that A constant temperature bath characterized by having a pre-cooling section for pre-cooling sampling gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19910087U JPH01102846U (en) | 1987-12-28 | 1987-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19910087U JPH01102846U (en) | 1987-12-28 | 1987-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01102846U true JPH01102846U (en) | 1989-07-11 |
Family
ID=31489569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19910087U Pending JPH01102846U (en) | 1987-12-28 | 1987-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01102846U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5635049B1 (en) * | 1970-12-04 | 1981-08-14 | ||
| JPS5785925A (en) * | 1980-11-14 | 1982-05-28 | Shinko Electric Ind Co Ltd | Device for producing atmosphere |
| JPS6110492B2 (en) * | 1982-05-24 | 1986-03-29 | Matsushita Electric Ind Co Ltd |
-
1987
- 1987-12-28 JP JP19910087U patent/JPH01102846U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5635049B1 (en) * | 1970-12-04 | 1981-08-14 | ||
| JPS5785925A (en) * | 1980-11-14 | 1982-05-28 | Shinko Electric Ind Co Ltd | Device for producing atmosphere |
| JPS6110492B2 (en) * | 1982-05-24 | 1986-03-29 | Matsushita Electric Ind Co Ltd |
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