JPS62134051U - - Google Patents
Info
- Publication number
- JPS62134051U JPS62134051U JP2181686U JP2181686U JPS62134051U JP S62134051 U JPS62134051 U JP S62134051U JP 2181686 U JP2181686 U JP 2181686U JP 2181686 U JP2181686 U JP 2181686U JP S62134051 U JPS62134051 U JP S62134051U
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- shortage
- liquid shortage
- detection
- 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
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図は、本考案に係わる液切れ検出装置の検
出部を示す図、第２図は、同じく処理回路を示す
図、第３図イ及びロは、いずれも従来の液切れ検
出装置によつて液切れと判定されてしまう状態を
示す図である。
（主要部分の符号の説明）、１：潅流液、２：
液路、３，１３：検出部、４，１４：発光部、５
，１５：受光部、６，１６：増幅回路、７，１７
：比較回路、８：ＡＮＤ回路。
FIG. 1 is a diagram showing the detection section of the liquid outage detection device according to the present invention, FIG. 2 is a diagram showing the processing circuit as well, and FIG. FIG. 3 is a diagram showing a state in which it is determined that the liquid has run out. (Explanation of symbols of main parts), 1: Perfusate, 2:
Liquid path, 3, 13: Detection section, 4, 14: Light emitting section, 5
, 15: Light receiving section, 6, 16: Amplification circuit, 7, 17
: comparison circuit, 8: AND circuit.
Claims (1)
において、液路に所定の間隔をおいて少なくとも
２個の検出部を設け、全ての検出部が同時に液切
れと判定された場合のみ液切れ信号を発生させる
ことにより検出精度を高めたことを特徴とする液
切れ検出装置。 In a liquid shortage detection device for detecting liquid shortage in a liquid path, at least two detection sections are provided at a predetermined interval in the liquid path, and a liquid shortage is detected only when all detection sections simultaneously determine that there is a liquid shortage. A liquid shortage detection device characterized by increasing detection accuracy by generating a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2181686U JPS62134051U (en) | 1986-02-17 | 1986-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2181686U JPS62134051U (en) | 1986-02-17 | 1986-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62134051U true JPS62134051U (en) | 1987-08-24 |
Family
ID=30818609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2181686U Pending JPS62134051U (en) | 1986-02-17 | 1986-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62134051U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5321887A (en) * | 1976-08-12 | 1978-02-28 | Imed Corp | Apparatus for automatically detecting air in fluid |
-
1986
- 1986-02-17 JP JP2181686U patent/JPS62134051U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5321887A (en) * | 1976-08-12 | 1978-02-28 | Imed Corp | Apparatus for automatically detecting air in fluid |
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