JPH0277651U - - Google Patents
Info
- Publication number
- JPH0277651U JPH0277651U JP15704388U JP15704388U JPH0277651U JP H0277651 U JPH0277651 U JP H0277651U JP 15704388 U JP15704388 U JP 15704388U JP 15704388 U JP15704388 U JP 15704388U JP H0277651 U JPH0277651 U JP H0277651U
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving element
- prism
- light receiving
- photo interrupter
- 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
- 239000007788 liquid Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Examining Or Testing Airtightness (AREA)
- Optical Measuring Cells (AREA)
Description
第１図はこの考案にかかる液漏れセンサをフロ
ーセルの下に設置した場合の実施例図、第２図は
液漏れのない場合の反射形のフオトインタラプタ
の光の進行状態を示す図、第３図はフローセルか
ら液漏れが生じた場合の反射形のフオトインタラ
プタの光の進行状態を示す図、第４図は発光素子
と受光素子とより成るフオトインタラプタを組み
込んだ回路図例、第５図は高速液体クロマトグラ
フのフローチヤート図である。
１……フローセル、３……溝、４……プリズム
、５……発光素子、６……受光素子。
Figure 1 is an example of a liquid leakage sensor according to this invention installed under a flow cell, Figure 2 is a diagram showing the progress of light from a reflective photointerrupter when there is no liquid leakage, and Figure 3 The figure shows the progress state of light from a reflective photointerrupter when liquid leaks from the flow cell, Figure 4 is an example of a circuit diagram incorporating a photointerrupter consisting of a light emitting element and a light receiving element, and Figure 5 is an example of a circuit diagram incorporating a photointerrupter consisting of a light emitting element and a light receiving element. It is a flowchart diagram of a high performance liquid chromatograph. 1... Flow cell, 3... Groove, 4... Prism, 5... Light emitting element, 6... Light receiving element.
Claims (1)
置したプリズムと、該プリズムを介して発光、受
光するように設置した発光素子と受光素子とより
成るフオトインタラプタと、該フオトインタラプ
タの受光素子の受光量の変化を感知する手段とを
備えたことを特徴とする液漏れセンサ。 A photo interrupter consisting of a prism installed in a groove provided in the floor of a container that seals the flow cell, a light emitting element and a light receiving element installed to emit and receive light through the prism, and light reception by the light receiving element of the photo interrupter. A liquid leakage sensor characterized by comprising: means for sensing a change in amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15704388U JPH0277651U (en) | 1988-11-30 | 1988-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15704388U JPH0277651U (en) | 1988-11-30 | 1988-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0277651U true JPH0277651U (en) | 1990-06-14 |
Family
ID=31436135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15704388U Pending JPH0277651U (en) | 1988-11-30 | 1988-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0277651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002181695A (en) * | 2000-12-08 | 2002-06-26 | T & T:Kk | Leak sensor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6317434B2 (en) * | 1979-08-24 | 1988-04-13 | Mitsubishi Chem Ind |
-
1988
- 1988-11-30 JP JP15704388U patent/JPH0277651U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6317434B2 (en) * | 1979-08-24 | 1988-04-13 | Mitsubishi Chem Ind |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002181695A (en) * | 2000-12-08 | 2002-06-26 | T & T:Kk | Leak sensor |
| JP4537568B2 (en) * | 2000-12-08 | 2010-09-01 | 株式会社ティアンドティ | Leak sensor |
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