JPH0714866Y2 - UV-Visible Spectrophotometer Detector - Google Patents
UV-Visible Spectrophotometer DetectorInfo
- Publication number
- JPH0714866Y2 JPH0714866Y2 JP1990009312U JP931290U JPH0714866Y2 JP H0714866 Y2 JPH0714866 Y2 JP H0714866Y2 JP 1990009312 U JP1990009312 U JP 1990009312U JP 931290 U JP931290 U JP 931290U JP H0714866 Y2 JPH0714866 Y2 JP H0714866Y2
- Authority
- JP
- Japan
- Prior art keywords
- light source
- spectroscope
- cell
- unit
- section
- 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.)
- Expired - Lifetime
Links
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- Spectrometry And Color Measurement (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
【考案の詳細な説明】 （イ）産業上の利用分野 本考案は、液体クロマトグラフの検出器として汎用され
ている紫外可視分光光度計検出器に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to an ultraviolet-visible spectrophotometer detector which is widely used as a detector for a liquid chromatograph.
（ロ）従来技術 液体クロマトグラフの検出器として従来から紫外可視分
光光度計が汎用されている。(B) Conventional technology An ultraviolet-visible spectrophotometer has been generally used as a detector of a liquid chromatograph.
かかる分光光度計の構成例を第４図に示す。分光光度計
は光源部，分光器，セル部，測光部，指示記録部より構
成される。An example of the structure of such a spectrophotometer is shown in FIG. The spectrophotometer is composed of a light source unit, a spectroscope, a cell unit, a photometric unit, and an instruction recording unit.
光源から出た光は分光器で単色光に分けられ試料に照射
される。試料を通過した光は検知器に到達し、光の量が
電気的に変換される。これを増幅し、指示記録部に吸光
度又は透過パーセントで表わされる。The light emitted from the light source is separated into monochromatic light by a spectroscope and is applied to the sample. The light that has passed through the sample reaches the detector, and the amount of light is electrically converted. This is amplified and displayed in absorbance or transmission percentage in the instruction recording section.
なお、上記の分光光度計の構成要素は全て一つの光学ベ
ース上に形成されている。All the constituent elements of the spectrophotometer described above are formed on one optical base.
（ハ）考案が解決しようとする課題 しかしながら、従来の紫外可視分光光度計検出器では、
光源部と分光器及びセル部が１つの光学ベース上に形成
されているため、光源部の発熱が分光器及びセル部へ影
響し、安定をさまたげていた。(C) Problems to be solved by the invention However, in the conventional UV-visible spectrophotometer detector,
Since the light source section, the spectroscope, and the cell section are formed on one optical base, the heat generation of the light source section affects the spectroscope and the cell section, which hinders stability.
また、超臨界クロマトグラフに紫外可視分光光度計検出
器を用いる場合、臨界温度付近でセルを温調したいとい
う要求があるが、光源部からの発熱の為困難であった。Further, when an ultraviolet-visible spectrophotometer detector is used in the supercritical chromatograph, there is a demand to control the temperature of the cell near the critical temperature, but it is difficult because of heat generation from the light source section.
そこで本考案は、光源部の発熱の影響を抑制する紫外分
光光度計検出器を提供することを目的とする。Then, this invention aims at providing the ultraviolet spectrophotometer detector which suppresses the influence of the heat generation of a light source part.
（ニ）課題を解決するための手段 本考案は、上記課題を解決するため、光源部と、セル部
を内蔵するとともに断熱材により囲まれた分光器部と、
該断熱材を貫通する透光部材とを備え、透光部材により
光源部と分光器部とを光接続してなる。(D) Means for Solving the Problems In order to solve the above problems, the present invention provides a light source section, a spectroscope section that has a cell section therein and is surrounded by a heat insulating material,
A light transmissive member penetrating the heat insulating material is provided, and the light source unit and the spectroscope unit are optically connected by the translucent member.
（ホ）作用 本考案は、光源部と分光器及びセル部は断熱され、光路
も光ファイバなどの透光部材にて接続されるため、光源
部からの発熱が分光器やセル部に影響を及ぼすことがな
くなり、安定したベースラインを得ることができる。(E) Action In the present invention, the light source unit, the spectroscope and the cell unit are insulated, and the optical path is also connected by a translucent member such as an optical fiber. It will not affect and a stable baseline can be obtained.
（ヘ）実施例 本考案に係る紫外可視分光光度計検出器の概略図を第１
図に示す。(F) Example First, a schematic view of an ultraviolet-visible spectrophotometer detector according to the present invention is shown.
Shown in the figure.
図中１は、光源部、２はセル部を含む分光器部で、これ
らは熱不良導体素材14を介して別々に装置のシャーシに
とりつけられる。In the figure, 1 is a light source part, 2 is a spectroscope part including a cell part, and these are separately attached to the chassis of the device via a heat-defective conductor material 14.
光源部１と分光器部２との間は、断熱材８により熱的に
絶縁され、光源部の熱が分光器部にまわらないようにな
っている。The light source unit 1 and the spectroscope unit 2 are thermally insulated by a heat insulating material 8 so that the heat of the light source unit does not reach the spectroscope unit.
光源部１内には、光源３、集光レンズ６が配設され、分
光器部２内には反射鏡9,グレーティング10,セル12,光セ
ンサ13が配設されている。11はスリットである。A light source 3 and a condenser lens 6 are arranged in the light source unit 1, and a reflecting mirror 9, a grating 10, a cell 12, and an optical sensor 13 are arranged in the spectroscope unit 2. 11 is a slit.
また光源部１内の光源３の光は、集光レンズ６により光
ファイバ７に入射し、光ファイバ７は断熱部材部８を通
って分光器部２へ光を導入する。The light from the light source 3 in the light source unit 1 enters the optical fiber 7 by the condenser lens 6, and the optical fiber 7 introduces the light into the spectroscope unit 2 through the heat insulating member unit 8.
なお、光源部１には、フィン4,ファン５が取り付けら
れ、光源部１自体が空冷される。The fins 4 and the fan 5 are attached to the light source unit 1, and the light source unit 1 itself is air-cooled.
以上の構成において、試料の検出を行うときは、セル12
内に図の矢印に示す如く試料（液体クロマトグラフの溶
離液）の導排出を行う。試料がセル12内に流れている
間、セル12には、光源３からの光が集光レンズ6,光ファ
イバ7,スリット11,反射鏡9,グレーティング10を通り入
ってくる。セル12を通った光は光センサ13に入り試料の
種類に応じた吸光度が測定される。With the above configuration, the cell 12
The sample (eluent of the liquid chromatograph) is introduced and discharged inside as shown by the arrow in the figure. While the sample is flowing into the cell 12, the light from the light source 3 enters the cell 12 through the condenser lens 6, the optical fiber 7, the slit 11, the reflecting mirror 9, and the grating 10. The light passing through the cell 12 enters the optical sensor 13 and the absorbance according to the type of sample is measured.
また、本考案では、光源部１と分光器部２を熱的に遮断
したので、第２図，第３図に示す如く分光器部2,セル12
のみの温調も可能となる。Further, in the present invention, since the light source section 1 and the spectroscope section 2 are thermally cut off, as shown in FIGS.
Only temperature control is possible.
なお、第２図は分光器部のみの温調を行うときの概略
図、第３図はセルのみの温調を行うときの概略図を示
し、図中15は温度センサ,16はヒータ,17は温調回路で、
温度センサ15の信号によりヒータ16を制御し温調を行
う。Note that FIG. 2 is a schematic diagram when the temperature control of only the spectroscope unit is performed, and FIG. 3 is a schematic diagram when the temperature control of only the cell is performed, in which 15 is a temperature sensor, 16 is a heater, and 17 is a heater. Is the temperature control circuit,
The heater 16 is controlled by the signal of the temperature sensor 15 to control the temperature.
（ト）効果 本考案によれば、光源からの発熱が分光器部（セルを含
む）へ流入することを防げるので、安定したベースラ
インが得られる安定時間が短縮されるという効果があ
る。(G) Effect According to the present invention, the heat generated from the light source can be prevented from flowing into the spectroscope unit (including the cell), so that there is an effect that the stabilization time for obtaining a stable baseline is shortened.
また、熱の影響を除去できる為、セルを含む分光器部、
またはセル自体を容易に温調できるようになる。Also, since the influence of heat can be removed, the spectroscope unit including the cell,
Alternatively, the temperature of the cell itself can be easily adjusted.
更に、光源部とセルを含む分光器部が独立している為、
別種の光源部にも容易に接続可能である。Furthermore, since the light source unit and the spectroscope unit including the cell are independent,
It can be easily connected to another type of light source unit.
第１図，第２図，第３図は本考案の実施例、第４図は紫
外可視分光光度計の一般概略図である。 １…光源部、２…分光器部1, 2, and 3 are embodiments of the present invention, and FIG. 4 is a general schematic view of an ultraviolet-visible spectrophotometer. 1 ... Light source part, 2 ... Spectrometer part
Claims (1)
材により囲まれた分光器部と、該断熱材を貫通する透光
部材とを備え、透光部材により光源部と分光器部とを光
接続してなる紫外可視分光光度計検出器。1. A light source section, a spectroscope section that contains a cell section and is surrounded by a heat insulating material, and a translucent member that penetrates through the heat insulating material. UV-Visible spectrophotometer detector consisting of optical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990009312U JPH0714866Y2 (en) | 1990-01-31 | 1990-01-31 | UV-Visible Spectrophotometer Detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990009312U JPH0714866Y2 (en) | 1990-01-31 | 1990-01-31 | UV-Visible Spectrophotometer Detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03101449U JPH03101449U (en) | 1991-10-23 |
| JPH0714866Y2 true JPH0714866Y2 (en) | 1995-04-10 |
Family
ID=31512919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990009312U Expired - Lifetime JPH0714866Y2 (en) | 1990-01-31 | 1990-01-31 | UV-Visible Spectrophotometer Detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0714866Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003106996A (en) * | 2001-09-28 | 2003-04-09 | Jasco Corp | Heating measuring device |
| JP5915470B2 (en) * | 2012-08-31 | 2016-05-11 | 株式会社島津製作所 | Spectrophotometer |
| CN110462354A (en) * | 2017-04-21 | 2019-11-15 | 株式会社岛津制作所 | Spectrophotometric detector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0247485Y2 (en) * | 1985-03-14 | 1990-12-13 | ||
| JPS6351259U (en) * | 1986-09-22 | 1988-04-06 |
-
1990
- 1990-01-31 JP JP1990009312U patent/JPH0714866Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03101449U (en) | 1991-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |