JPS6459158A - Automatic sample introduction apparatus - Google Patents
Automatic sample introduction apparatusInfo
- Publication number
- JPS6459158A JPS6459158A JP21811987A JP21811987A JPS6459158A JP S6459158 A JPS6459158 A JP S6459158A JP 21811987 A JP21811987 A JP 21811987A JP 21811987 A JP21811987 A JP 21811987A JP S6459158 A JPS6459158 A JP S6459158A
- Authority
- JP
- Japan
- Prior art keywords
- needle
- sample bottle
- sample
- pulse motor
- suction
- 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
Landscapes
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
PURPOSE:To achieve a detection of the mounting of a sample bottle, by bringing a sample suction needle into contact with a surface part other than a part where the needle is inserted into the sample bottle prior to the suction of a sample. CONSTITUTION:Prior to the suction of a sample, an X-Y moving means 1 positions a needle 2 above a sample bottle cap 12. At this reference position, a light shielding plate 3 fixed on the needle 2 intercepts light within a photosensor 4 to turn OFF the sensor 4. A CPU 14 drives a pulse motor 8 through a pulse motor driving circuit 9 at this position to lower the needle 2. Then, as the needle 2 hits the cap 12, the pulse motor is stepped out and the circuit 9 lifts the needle 2 until the sensor 4 is turned OFF again. The CPU 14 judges the presence of a sample bottle from the number of pulses applied to the pulse motor 8 with the lowering and lifting of the needle. This facilitates the detection of the mounting of the sample bottle even in such an arrangement thereof as to make a sample bottle detection mechanism hard to equip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21811987A JPS6459158A (en) | 1987-08-31 | 1987-08-31 | Automatic sample introduction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21811987A JPS6459158A (en) | 1987-08-31 | 1987-08-31 | Automatic sample introduction apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6459158A true JPS6459158A (en) | 1989-03-06 |
Family
ID=16714924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21811987A Pending JPS6459158A (en) | 1987-08-31 | 1987-08-31 | Automatic sample introduction apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6459158A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011022086A (en) * | 2009-07-17 | 2011-02-03 | Shimadzu Corp | Device for automatic sample injection for liquid chromatograph |
| US7981384B2 (en) | 2003-07-15 | 2011-07-19 | Sysmex Corporation | Liquid aspirator and analyzer provided with same |
| JPWO2016132793A1 (en) * | 2015-02-20 | 2017-11-30 | コニカミノルタ株式会社 | Detection method and reaction apparatus |
-
1987
- 1987-08-31 JP JP21811987A patent/JPS6459158A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7981384B2 (en) | 2003-07-15 | 2011-07-19 | Sysmex Corporation | Liquid aspirator and analyzer provided with same |
| JP2011022086A (en) * | 2009-07-17 | 2011-02-03 | Shimadzu Corp | Device for automatic sample injection for liquid chromatograph |
| JPWO2016132793A1 (en) * | 2015-02-20 | 2017-11-30 | コニカミノルタ株式会社 | Detection method and reaction apparatus |
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