CN201819876U - Liquid phase sample detection tank for ultraviolet absorption and fluorescence spectra - Google Patents
Liquid phase sample detection tank for ultraviolet absorption and fluorescence spectra Download PDFInfo
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- CN201819876U CN201819876U CN2010205582769U CN201020558276U CN201819876U CN 201819876 U CN201819876 U CN 201819876U CN 2010205582769 U CN2010205582769 U CN 2010205582769U CN 201020558276 U CN201020558276 U CN 201020558276U CN 201819876 U CN201819876 U CN 201819876U
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- liquid phase
- phase sample
- fluorescence
- detection
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Abstract
The utility model discloses a liquid phase sample detection tank for ultraviolet absorption and fluorescence spectra. The liquid phase sample detection tank is characterized in that a rectangular liquid phase sample flow path is formed in the center of a cylinder; four mounting holes are formed on the same cross section of the side surface of the cylinder at equal intervals and are all communicated with the rectangular liquid phase sample flow path; the centre line of each pair of vertical mounting holes coincides with that of the edges of the rectangles of the liquid phase sample flow path where the two mounting holes are positioned; and a quartz glass layer is arranged on the inner wall of the rectangular liquid phase sample flow path. In the utility model, different requirements of detection tanks respectively for absorbing ultraviolet absorption spectrum and fluorescence spectrum can be satisfied by one detection tank; time-sharing detection of multispectral single detectors for ultraviolet absorption spectrum and fluorescence spectrum can be realized; the detection tank is coupled with other optical components through fibers, so that automatic calibration of a plurality of light paths can be realized; and the outer wall of the detection is made of stainless steel metal, is light-proof and has low optical background. The detection tank can be applicable to spectrum analysis system of flowing liquid phase samples such as industrial sewage, domestic sewage, petrol, diesel oil and the like.
Description
Technical field
The utility model relates to the liquid phase sample detection cell, particularly relates to the multispectral liquid phase sample detection cell of a kind of uv absorption and fluorescence.
Background technology
Ultraviolet absorption spectroscopy claims ultraviolet spectrophotometry again, is different and material formed the method for analyzing to the UVA degree of different wave length according to material.Ultra-violet absorption spectrum is usually used in the quantitative test of conjugated system, and is highly sensitive, and detection limit is low.
Fluorescence spectrum the has been meant material absorbing luminous energy of shorter wavelength, electronics is excited and transits to higher singlet energy level, the characteristic spectrum of emission longer wavelength when turning back to ground state.Fluoroscopic examination has high sensitivity and very strong selectivity as a kind of photoluminescence type detection technique, uses very extensive in trace samplings detects.
As the vitals in the spectral detection system, the quality of detection cell performance has directly influenced the quality of overall performance.A good detection cell should have following characteristics: parasitic light is little, and the optics background is low, and the emission of light and collection efficiency height are with being coupled conveniently of miscellaneous part.
At present, comparatively common for the liquid phase sample detection cell of the single detection system of ultra-violet absorption spectrum or fluorescence spectrum, and also occur in conjunction with the multispectral liquid phase sample detection cell of two kinds of spectrum.
Summary of the invention
The purpose of this utility model is to provide a kind of detection cell of realizing ultra-violet absorption spectrum and the multispectral detection of fluorescence spectrum.
In order to achieve the above object, the technical solution adopted in the utility model is as follows:
Have rectangle liquid phase sample stream at the cylinder center, first-class branch has four mounting holes in the same cross section of column side face, four mounting holes all connect with rectangle liquid phase sample stream, the center line of perpendicular two pairs of mounting holes coincides with the center line of its place liquid phase sample stream rectangular edges respectively, and the inwall of described rectangle liquid phase sample stream is a quartz glass layer.
The mounting hole of described four perforations is followed successively by spectral detection light path, fluorescence excitation light path, ultraviolet emission light path and another fluorescence excitation light path.
Described cylinder is upright square body or right cylinder.
Described four light paths all are coupled by optical fiber and optics separately.
The beneficial effects of the utility model are:
The utility model merges the different requirements of the detection cell of ultra-violet absorption spectrum and fluorescence spectrum in a detection cell, can realize that the timesharing of ultra-violet absorption spectrum and the multispectral single detecting device of fluorescence spectrum detects; By optical fiber detection cell and other opticses are coupled, can realize the automatic calibration of multi-pass; The detection cell outer wall is processed by stainless steel metal, and is light tight, and the optics background is low.This detection cell is applicable to mobile liquid phase sample spectra analytic systems such as industrial sewage, sanitary sewage, gasoline, diesel oil.
Description of drawings
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is the sectional view in cross section, four mounting hole places of the present utility model.
Among the figure: 1, spectral detection light path, 2, the ultraviolet emission light path, 3, fluorescence excitation light paths, 4, another fluorescence excitation light path, 5, the liquid phase sample stream, 6, upright square body, 7, inwall.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, 2, the utility model is to have rectangle liquid phase sample stream 5 at the cylinder center, first-class branch has four mounting holes in the same cross section of column side face, four mounting holes all connect with rectangle liquid phase sample stream 5, the center line of perpendicular two pairs of mounting holes coincides with the center line of its place liquid phase sample stream rectangular edges respectively, and the inwall 7 of described rectangle liquid phase sample stream 5 is a quartz glass layer.
The mounting hole of described four perforations is followed successively by spectral detection light path 1, fluorescence excitation light path 3, ultraviolet emission light path 2 and another fluorescence excitation light path 4.
Described cylinder is upright square body 6 or right cylinder.Described four light paths all are coupled by optical fiber and optics separately.
When the utility model uses, fibre-optical splice is installed in spectral detection light path 1, ultraviolet emission light path 2 and fluorescence excitation light path 3 and the fluorescence excitation light path 4, and connects optical fiber.Because the vertical or collinear relationship of the center line of each light path makes the relation between each optical fiber succession light path, realizes the automatic calibration of multi-pass.Ultraviolet source shines on the sample through ultraviolet emission light path 2, and the fluorescence excitation light source shines on the sample through fluorescence excitation light path 3 and 4, and the time-sharing work by Different Light makes spectroscopic detector obtain different spectrum through spectral detection light path 1.
Claims (4)
1. uv absorption and the multispectral liquid phase sample detection cell of fluorescence, it is characterized in that: have rectangle liquid phase sample stream (5) at the cylinder center, first-class branch has four mounting holes in the same cross section of column side face, four mounting holes all connect with rectangle liquid phase sample stream (5), the center line of perpendicular two pairs of mounting holes coincides with the center line of its place liquid phase sample stream rectangular edges respectively, and the inwall (7) of described rectangle liquid phase sample stream (5) is a quartz glass layer.
2. the multispectral liquid phase sample detection cell of a kind of uv absorption according to claim 1 and fluorescence is characterized in that: the mounting hole of described four perforations is followed successively by spectral detection light path (1), a fluorescence excitation light path (3), ultraviolet emission light path (2) and another fluorescence excitation light path (4).
3. the multispectral liquid phase sample detection cell of a kind of uv absorption according to claim 1 and fluorescence is characterized in that: described cylinder is upright square body (6) or right cylinder.
4. the multispectral liquid phase sample detection cell of a kind of uv absorption according to claim 2 and fluorescence is characterized in that: described four light paths all are coupled by optical fiber and optics separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205582769U CN201819876U (en) | 2010-10-12 | 2010-10-12 | Liquid phase sample detection tank for ultraviolet absorption and fluorescence spectra |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205582769U CN201819876U (en) | 2010-10-12 | 2010-10-12 | Liquid phase sample detection tank for ultraviolet absorption and fluorescence spectra |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201819876U true CN201819876U (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205582769U Expired - Fee Related CN201819876U (en) | 2010-10-12 | 2010-10-12 | Liquid phase sample detection tank for ultraviolet absorption and fluorescence spectra |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201819876U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107076672A (en) * | 2014-11-25 | 2017-08-18 | 通用电气健康护理生物科学股份公司 | Fluorescence detectability is to the combination in absorptivity measurement apparatus |
| CN107727582A (en) * | 2017-11-13 | 2018-02-23 | 薛永富 | A kind of multi-pass detection means and multi-pass spectral method of detection |
| CN109932321A (en) * | 2017-12-19 | 2019-06-25 | 深圳一目科技有限公司 | A kind of spectral analysis of fluids sampler and its working method |
| CN109932495A (en) * | 2017-12-19 | 2019-06-25 | 深圳一目科技有限公司 | A kind of water purifier water quality detection module piping installation and its working method |
| CN112630182A (en) * | 2020-12-18 | 2021-04-09 | 湖南工程学院 | Sewage detection system |
| CN113390820A (en) * | 2021-05-17 | 2021-09-14 | 西派特（北京）科技有限公司 | Multi-source spectrum light fuel oil quality detection system |
-
2010
- 2010-10-12 CN CN2010205582769U patent/CN201819876U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107076672A (en) * | 2014-11-25 | 2017-08-18 | 通用电气健康护理生物科学股份公司 | Fluorescence detectability is to the combination in absorptivity measurement apparatus |
| JP2017536550A (en) * | 2014-11-25 | 2017-12-07 | ジーイー・ヘルスケア・バイオサイエンス・アクチボラグ | Integration of fluorescence detection function into absorbance measuring device |
| CN107727582A (en) * | 2017-11-13 | 2018-02-23 | 薛永富 | A kind of multi-pass detection means and multi-pass spectral method of detection |
| CN109932321A (en) * | 2017-12-19 | 2019-06-25 | 深圳一目科技有限公司 | A kind of spectral analysis of fluids sampler and its working method |
| CN109932495A (en) * | 2017-12-19 | 2019-06-25 | 深圳一目科技有限公司 | A kind of water purifier water quality detection module piping installation and its working method |
| CN112630182A (en) * | 2020-12-18 | 2021-04-09 | 湖南工程学院 | Sewage detection system |
| CN113390820A (en) * | 2021-05-17 | 2021-09-14 | 西派特（北京）科技有限公司 | Multi-source spectrum light fuel oil quality detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20121012 |