JPS6085355A - Optical detector - Google Patents
Optical detectorInfo
- Publication number
- JPS6085355A JPS6085355A JP19476083A JP19476083A JPS6085355A JP S6085355 A JPS6085355 A JP S6085355A JP 19476083 A JP19476083 A JP 19476083A JP 19476083 A JP19476083 A JP 19476083A JP S6085355 A JPS6085355 A JP S6085355A
- Authority
- JP
- Japan
- Prior art keywords
- sample solution
- cell
- optical detector
- light
- solution
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1095—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices for supplying the samples to flow-through analysers
Abstract
Description
【発明の詳細な説明】
この発明は光学的検出器に関し、更に詳細にいえば、超
微■サンプル溶液の導入および排出を簡単に行ない得る
光学的検出器に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an optical detector, and more particularly, to an optical detector that can easily introduce and discharge an ultrafine sample solution.
現在、分光光度計２発光光度計、蛍光光度計。Currently, there are 2 spectrophotometers, a luminescence photometer, and a fluorometer.
赤外線吸光度計等は、測定対象物を収納するセルおよび
セルに光を照射する手段ならびにセルからの光を受光す
る手段から構成される光学的検出装置を有しており、し
がもセルは、上記各測定装置本体の内部に設けられてい
る。これら各測定装置においては、
■ サンプル溶液を測定装置本体内のセルに収納しなけ
ればならず、手間がかがること、特に多くのリンプル溶
液を測定づる場合の操作性が悪（なること、
■ 測定後のサンプル溶液の回収が行ないにくいこと、
特に微最のサンプル溶液、員重なサンプル溶液の回収が
行ないにくいこと、■ セルの洗浄等を行なう関係上、
サンプル溶液を多量に必要とすること、
■ スペクトル測定に必要な時間が長いこと、等の欠点
を有しており、使い勝手が良いとはいえなかった。An infrared absorbance meter, etc. has an optical detection device consisting of a cell that stores an object to be measured, a means for irradiating the cell with light, and a means for receiving light from the cell. It is provided inside each measuring device main body. In each of these measuring devices, the sample solution must be stored in a cell within the measuring device itself, which is time-consuming, and the operability is poor, especially when measuring a large number of rippling solutions. ■ Difficult to collect sample solution after measurement;
In particular, it is difficult to recover very small sample solutions or bulky sample solutions; ■ Due to the need to clean cells, etc.
It has drawbacks such as requiring a large amount of sample solution; and (1) requiring a long time for spectrum measurement, and is not easy to use.
この発明は上記の欠点に鑑みてなされたものであり、操
作性が良く、超微量のサンプル溶液でも短時間で吸光度
の測定９分光曲線の描出等を行なうことができ、しかも
簡単にサンプル溶液の回収を行なうことができる光学的
検出器を提供することににつ上記の諸欠点奪ｗｌ消する
ことを目的とする。This invention was made in view of the above-mentioned drawbacks, and has good operability, allows for absorbance measurement9 and drawing of spectral curves, etc., in a short time even with ultra-trace amounts of sample solution, and it is easy to use. It is an object of the present invention to eliminate the above-mentioned disadvantages by providing an optical detector capable of performing recovery.
かかる目的を達成】−るためのこの発明の光学的検出器
は、サンプル溶液を収納するセルを挟んで２木のファイ
バの投光面および受光面を互に月面させて設けていると
ともに、セルへのサンプル溶液導入およびセルからのサ
ンプル溶液排出を行なわせるサンプリング手段を設けて
いることを特徴としている。To achieve the above object, the optical detector of the present invention has two fibers with a cell for storing a sample solution sandwiched between them, with the light-emitting and light-receiving surfaces facing each other, and The present invention is characterized in that a sampling means is provided for introducing a sample solution into the cell and discharging the sample solution from the cell.
以下、実施例を示す添附図面により一’Ｃ詳細に説明す
る。Hereinafter, embodiments will be described in detail with reference to the accompanying drawings showing embodiments.
第１図は光学的検出器（５）を分光光度ｉ１に装着した
状態を示す斜視図であり、分光系（２）、ランプハウス
（３）およびプリンタ（４）を有する据置型の分光光度
計本体（１）と、この発明の要旨どする光学的検出器（
５）とを有している。そして、光学的検出器（５）は投
光用ファイバ（６）によってランプハウス（３）と光学
的に結合されているとともに、受光用ファイバ（７）に
よって分光系（２）と光学的に結合されている。FIG. 1 is a perspective view showing a state in which an optical detector (5) is attached to a spectrophotometer i1, which is a stationary spectrophotometer having a spectrometer (2), a lamp house (3), and a printer (4). A main body (1) and an optical detector (which is the gist of the present invention)
5). The optical detector (5) is optically coupled to the lamp house (3) by a light emitting fiber (6), and is optically coupled to the spectroscopic system (2) by a light receiving fiber (7). has been done.
第２図および第３図は光学的検出器（５）を示す縦断面
図である。2 and 3 are longitudinal sectional views showing the optical detector (5).
上端部に指掛は用の鍔部（９）を有りる本体（８）の下
端中央部にサンプリングプローブ（１０）を一体形成し
、本体（８）の中央部には軸方向にのびる筒状空間（１
１）を形成し、この筒状空間（１１）にピストン（１２
〉を気密的に挿通し、さらに筒状空間（１１）とサンプ
リングプローブ（１０）どの間にり゛ンブル溶液収納用
のセル＜１３）を設け、本体（８）に埋設した投光用フ
ァイバ（６）の投光面をセル（１３）の一方の間口端部
に位置させるとともに、本体（８）に埋設した受光用フ
ァイバ（７）の受光面をセル（１３）の他方の間口端面
に位置させている。そして、サンプリングプローグ（１
０）を軸方向に貫通するサンプル液体通路（１０ａ）を
、上記セル（１３）の一方の間口端部から斜め下方にの
びる通液路（１３ａ）と連通し、筒状空間（１１）から
下方にのびる通液路（ｌｌａ ）を、上記セル（１３）
の他方の間口端部から斜め上方にのびる通液路（１３ｔ
ｌ）と連通している。尚、（１４）は筒状空間（１１）
の所定位置に形成したピストン（１２）抜は止め用の鍔
部であり、ピストン（１２）の所定位置に形成した鍔部
（１５）との間に、コイルばね〈１６）を弾設すること
によりピストン（１２）を上向きに付勢している。また
、り１７）は測定用のスイッチである。A sampling probe (10) is integrally formed at the center of the lower end of the main body (8), which has a flange (9) for finger rest at the upper end, and a cylindrical shape extending in the axial direction. space (1
1), and a piston (12) is formed in this cylindrical space (11).
) is inserted airtightly, and a cell <13) for storing the embedding solution is provided between the cylindrical space (11) and the sampling probe (10), and a light emitting fiber ( The light emitting surface of 6) is located at one end of the frontage of the cell (13), and the light receiving surface of the light receiving fiber (7) embedded in the main body (8) is located at the other end of the frontage of the cell (13). I'm letting you do it. Then, the sampling prologue (1
A sample liquid passageway (10a) passing through the cell (13) in the axial direction communicates with a liquid passageway (13a) extending obliquely downward from one front end of the cell (13), so that The liquid passageway (lla) extending to the cell (13)
A liquid channel (13t
It communicates with l). In addition, (14) is a cylindrical space (11)
A coil spring (16) is elastically installed between the piston (12) and the piston (12). The piston (12) is urged upward. Moreover, 17) is a switch for measurement.
以上の構成であれば、サンプリングプローブ（１０）を
被測定溶液に浸しｔｃ後、ピストン（１２）を押して離
°すことにより、サンプル溶液通路（１０ａ）を通しｒ
ｔ＝ル（１３）の被測定部（１３ｃ）に被測定溶液を導
入することができる。従って、その後スイッチ（１７）
を操作することによりランプハウス（３）からの光が投
光用ファイバ（６）を通って被測定部（１３ｃ）に照射
され、被測定部（１３ｃ）内の１ノンプル溶液を透過し
た光が受光用ファイバ（′７）を通って分光系（２）に
導かれ、吸光度値、スペクトル等をプリンタ（４）によ
って記録することができる。With the above configuration, by immersing the sampling probe (10) in the solution to be measured and then pushing and releasing the piston (12), the sample solution passage (10a) can be passed through the sample solution passage (10a).
A solution to be measured can be introduced into the part to be measured (13c) of t=ru (13). Therefore, then the switch (17)
By operating the lamp house (3), the light from the lamp house (3) passes through the light emitting fiber (6) and is irradiated onto the part to be measured (13c). The light is guided through a light receiving fiber ('7) to a spectroscopic system (2), and absorbance values, spectra, etc. can be recorded by a printer (4).
また、測定後は、ピストン（１２）を再度押１ことによ
り、被測定部（１３ｃ）に導入されたサンプル溶液を排
出し、回収することがＣきる。Moreover, after the measurement, by pushing the piston (12) 1 again, the sample solution introduced into the part to be measured (13c) can be discharged and recovered.
上記実施例においては、分光光度計に装着した場合につ
いてのみ説明したが、発光光度Ｋｌ’ ＋蛍光光度計、
赤外線吸光度計等種々の測定装置に装着し得ることはも
ちろんであり、その他セルの形状、大きさ等を適宜設定
する等種々の設Ｊ１変更を施すことができる。In the above embodiment, only the case where it is attached to a spectrophotometer was explained, but the luminous intensity Kl' + fluorometer,
Of course, it can be attached to various measuring devices such as an infrared absorbance meter, and various other changes can be made to the cell, such as appropriately setting the shape and size of the cell.
以上のようにこの発明はサンプリング手段によってセル
へのサンプル溶液導入およびセルからのサンプル溶液排
出を行なうので、リンプル溶液の採取および回収を容易
に行なうことができ、特に多くのサンプル溶液を測定す
る場合の操作性を向上させ得るとともに微量のサンプル
溶液、門重なサンプル溶液の回収を行ないやすくし得、
またセルの内容積を小さくして少量のサンプル溶液でも
測定することができ、さらには全体としてみればスペク
トル等の測定を短時間で行ない得る等特有の効果を奏す
る。As described above, in this invention, the sample solution is introduced into the cell and the sample solution is discharged from the cell by the sampling means, so that the rimple solution can be easily collected and recovered, especially when measuring a large number of sample solutions. It can improve the operability of the system, and it can also make it easier to collect small amounts of sample solutions and difficult sample solutions.
Further, by reducing the internal volume of the cell, it is possible to measure even a small amount of sample solution, and furthermore, when viewed as a whole, it has unique effects such as being able to measure spectra and the like in a short time.
第１図は分光光度ｊ１の外観斜視図、第２図および第３
図は光学的検出器の縦断面図。
（５）・・・光学的検出器、（６）・・・投光用ファイ
バ、（７）・・・受光用ファイバ、（１０）・・・サン
プリングプローブ、（１０ａ）・・・サンプル溶液通路
、（１１）・・・シリンダー、（１２）・・・ピストン
、（１３）・・・セル、（１３ｃ）・・・被測定部、（
１６）・・・コイルばね。Figure 1 is a perspective view of the spectrophotometer j1, Figures 2 and 3 are
The figure is a longitudinal cross-sectional view of an optical detector. (5)...Optical detector, (6)...Light emitting fiber, (7)...Light receiving fiber, (10)...Sampling probe, (10a)...Sample solution passage , (11)... Cylinder, (12)... Piston, (13)... Cell, (13c)... Part to be measured, (
16)...Coil spring.
Claims (1)
イバの投光面および受光面を互に対向させて設けている
とともに、セルへのサンプル溶液導入およびヒルからの
サンプル溶液排出を行なわせるサンプリング手段を設け
ていることを特徴とする光学的検出器。 ２、 サンプリング手段が外部と連通されるサンプル溶
液通路およびシリンダーから構成され、サンプル溶液通
路とシリンダーとの間にセルを形成している上記特許請
求の範囲第１項記載の光学的検出器。 ３、 シリンダーが自動ｌａ帰型のピストンを有してい
る上記特許請求の範囲第２項記載の光学的検出器。 ４、 セルがシリンダーと略直角方向を向く筒体である
上記特許請求の範囲第２項記載の光学的検出器。[Claims] 1. The light emitting surface and the light receiving surface of two fibers are provided facing each other with a cell for storing a sample solution in between, and the light emitting surface and the light receiving surface of the two fibers are arranged to face each other, and the sample solution is introduced into the cell and the sample is collected from the hill. An optical detector characterized in that it is provided with a sampling means for discharging a solution. 2. The optical detector according to claim 1, wherein the sampling means comprises a sample solution passage and a cylinder communicating with the outside, and a cell is formed between the sample solution passage and the cylinder. 3. An optical detector according to claim 2, wherein the cylinder has a piston with automatic la return. 4. The optical detector according to claim 2, wherein the cell is a cylindrical body facing substantially perpendicular to the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19476083A JPS6085355A (en) | 1983-10-17 | 1983-10-17 | Optical detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19476083A JPS6085355A (en) | 1983-10-17 | 1983-10-17 | Optical detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6085355A true JPS6085355A (en) | 1985-05-14 |
Family
ID=16329776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19476083A Pending JPS6085355A (en) | 1983-10-17 | 1983-10-17 | Optical detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6085355A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3927718C1 (en) * | 1988-08-27 | 1990-03-29 | Hitachi, Ltd., Tokio/Tokyo, Jp | |
| US5249584A (en) * | 1990-05-18 | 1993-10-05 | Karkar Maurice N | Syringe for hematocrit and oxygen saturation blood analyzer |
| WO1997038318A1 (en) * | 1996-04-04 | 1997-10-16 | Novartis Ag | Device for counting small particles and a sorting apparatus comprising such a device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5530628A (en) * | 1978-08-25 | 1980-03-04 | Toshiba Corp | Suction pump mechanism of automatic chemical analyzer |
| JPS5742843A (en) * | 1980-07-01 | 1982-03-10 | Bayer Ag | Colorimetry apparatus for trace gas |
-
1983
- 1983-10-17 JP JP19476083A patent/JPS6085355A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5530628A (en) * | 1978-08-25 | 1980-03-04 | Toshiba Corp | Suction pump mechanism of automatic chemical analyzer |
| JPS5742843A (en) * | 1980-07-01 | 1982-03-10 | Bayer Ag | Colorimetry apparatus for trace gas |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3927718C1 (en) * | 1988-08-27 | 1990-03-29 | Hitachi, Ltd., Tokio/Tokyo, Jp | |
| US5249584A (en) * | 1990-05-18 | 1993-10-05 | Karkar Maurice N | Syringe for hematocrit and oxygen saturation blood analyzer |
| WO1997038318A1 (en) * | 1996-04-04 | 1997-10-16 | Novartis Ag | Device for counting small particles and a sorting apparatus comprising such a device |
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