CN203572808U - Liquid chromatograph - Google Patents
Liquid chromatograph Download PDFInfo
- Publication number
- CN203572808U CN203572808U CN201320692620.7U CN201320692620U CN203572808U CN 203572808 U CN203572808 U CN 203572808U CN 201320692620 U CN201320692620 U CN 201320692620U CN 203572808 U CN203572808 U CN 203572808U
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- semi
- reflecting mirror
- catoptron
- light path
- slit
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model relates to a liquid chromatograph. The liquid chromatograph comprises a second light path pool, wherein a first semitransparent semi-reflecting mirror and a second semitransparent semi-reflecting mirror are mounted in the second light path pool; the first semitransparent semi-reflecting mirror is positioned between a third reflecting mirror and the second semitransparent semi-reflecting mirror; a parameter ratio detector is mounted in the second light path pool at one side of the second semitransparent semi-reflecting mirror; a sample detecting pool is communicated outside the second light path pool; after light reflected by the third reflecting mirror passes the first semitransparent semi-reflecting mirror, one part of the light is reflected into the parameter ratio detector through the second semitransparent semi-reflecting mirror while the other part of the light passes through the second semitransparent semi-reflecting mirror to enter the sample detecting pool through a light wave channel; a second slit is formed in the pool wall of the outer side of the second light path pool; a laser is arranged at the outer side of the second slit and corresponding to the second slit; the second slit is positioned between the laser and the first semitransparent semi-reflecting mirror; and after a light wave of the laser passes through the second slit to be combined with the light reflected from the third reflecting mirror at the first semitransparent semi-reflecting mirror, the combined light reaches the sample detecting pool through the second semitransparent semi-reflecting mirror.
Description
Technical field
The utility model relates to a kind of liquid chromatograph.
Background technology
The sensing range of tradition liquid chromatography is from ultraviolet light to visible ray, and spectral range does not relate to infrared spectrum.In actual applications, the information of the infrared part of some sample can not be expressed.
Tradition liquid chromatography UV-vis detector does not have fluorescence detection function, as sample needs fluoroscopic examination, need to be equipped with in addition fluorescence detecting system, and fluorescence detecting system and ultraviolet detection system is exchanged difficulty, very trouble and consuming time.For volatile sample, after carrying out ultraviolet detection, just can not carry out again fluoroscopic examination.
Summary of the invention
The purpose of this utility model is to provide a kind of liquid chromatograph easy to use, and this chromatograph possesses the function of ultraviolet and two kinds of detecting devices of fluorescence simultaneously.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of liquid chromatograph, comprise and detect light path pond, detect light path pond and comprise the first light path pond and the second light path pond, on pool wall between the first light path pond and the second light path pond, have the first slit, extraordinary lens tungsten lamp is installed in the first light path pond, deuterium lamp and the first catoptron, deuterium lamp is between extraordinary lens tungsten lamp and the first catoptron, in the second light path pond, concave mirror is installed, the second catoptron and the 3rd catoptron, the first slit is between the first catoptron and the second catoptron, concave mirror, the second catoptron and the 3rd catoptron are along counterclockwise setting triangular in shape, the light that extraordinary lens tungsten lamp sends is imaged onto the first slit through deuterium lamp after the first catoptron reflection, and then through the second catoptron, reflex to concave mirror take the first slit as object point, by concave mirror, reflex to the 3rd catoptron again, it is characterized in that: the first semi-permeable and semi-reflecting mirror and the second semi-permeable and semi-reflecting mirror are also installed in the second light path pond, the first semi-permeable and semi-reflecting mirror is between the 3rd catoptron and the second semi-permeable and semi-reflecting mirror, in the second light path pond of the second semi-permeable and semi-reflecting mirror one side, reference detector is installed, outside the second light path pond, is communicated with sample detection pond, the light that the 3rd catoptron reflects is after the first semi-permeable and semi-reflecting mirror, and a part is reflexed to reference detector by the second semi-permeable and semi-reflecting mirror, and another part enters sample detection pond through the second semi-permeable and semi-reflecting mirror through light wave passage, on the pool wall in the second outside, light path pond, have the second slit, the second slit outside is provided with laser instrument, laser instrument is corresponding with the second slit, the second slit is between laser instrument and the first semi-permeable and semi-reflecting mirror, and it is photosynthetic and afterwards by the second semi-permeable and semi-reflecting mirror arrival sample detection pond that the light wave of laser instrument reflects at the first semi-permeable and semi-reflecting mirror place and the 3rd catoptron through the second slit.
The utility model has adopted light path superimposing technique and spectral scan technology, using on the basis of traditional deuterium lamp, added laser instrument, realized the integrated application of UV-detector and fluorescence detector, become all band high efficiency liquid phase optical system, detection wavelength is ultraviolet light-visible ray-near infrared (wavelength coverage is 190nm-950nm).
Use this technology can allow liquid chromatograph utilize on UV-detector and fluorescence detector amalyzing substances, become convenient and swift easily, and the input of also having saved fluorescence detector.
Accompanying drawing explanation
Fig. 1 is optical system schematic diagram of the present utility model.
In accompanying drawing:
1, extraordinary lens tungsten lamp; 2, deuterium lamp; 3, detect light path pond; 4, the first catoptron; 5, the first slit; 6, concave mirror; 7, the first semi-permeable and semi-reflecting mirror; 8, the second semi-permeable and semi-reflecting mirror; 9, light wave passage; 10, sample detection pond; 11, reference detector; 12, laser instrument; 13, the second slit; 14, the second catoptron; 15, the 3rd catoptron; 16, the second light path pond; 17, the first light path pond.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
A kind of liquid chromatograph, as shown in Figure 1, comprise and detect light path pond 3, detect light path pond 3 and comprise the first light path pond 17 and the second light path pond 16, on pool wall between the first light path pond 17 and the second light path pond 16, have the first slit 5, extraordinary lens tungsten lamp 1 is installed in the first light path pond 17, deuterium lamp 2 and the first catoptron 4, deuterium lamp 2 is between extraordinary lens tungsten lamp 1 and the first catoptron 4, in the second light path pond 16, concave mirror 6 is installed, the second catoptron 14 and the 3rd catoptron 15, the first slit 5 is between the first catoptron 4 and the second catoptron 14, concave mirror 6, the second catoptron 14 and the 3rd catoptron 15 are along counterclockwise setting triangular in shape, the light that extraordinary lens tungsten lamp 1 sends is imaged onto the first slit 5 through deuterium lamp 2 after the first catoptron 4 reflections, and then through the second catoptron 14, reflex to concave mirror 6 take the first slit 5 as object point, by concave mirror 6, reflex to the 3rd catoptron 15 again, the first semi-permeable and semi-reflecting mirror 7 and the second semi-permeable and semi-reflecting mirror 8 are also installed in the second light path pond 16, the first semi-permeable and semi-reflecting mirror 7 is between the 3rd catoptron 15 and the second semi-permeable and semi-reflecting mirror 8, reference detector 11, the second outer sample detection ponds 10 that are communicated with, light path pond 16 are installed in the second light path pond 16 of the second semi-permeable and semi-reflecting mirror 8 one sides, the light that the 3rd catoptron 15 reflects is after the first semi-permeable and semi-reflecting mirror 7, and a part is reflexed to reference detector 11 by the second semi-permeable and semi-reflecting mirror 8, and another part enters sample detection pond 10 through the second semi-permeable and semi-reflecting mirror 8 through light wave passage 9, on the pool wall in the second 16 outsides, light path pond, have the second slit 13, the second slit 13 outsides are provided with laser instrument 12, laser instrument 12 is corresponding with the second slit 13, the second slit 13 is between laser instrument 12 and the first semi-permeable and semi-reflecting mirror 7, and it is photosynthetic and by the second semi-permeable and semi-reflecting mirror 8, arrive sample detection pond 10 afterwards that the light wave of laser instrument 12 reflects at the first semi-permeable and semi-reflecting mirror 7 places and the 3rd catoptron 15 through the second slit 13.
Embodiment recited above is described preferred implementation of the present utility model; not design of the present utility model and scope are limited; do not departing under the prerequisite of the utility model design concept; various modification and improvement that in this area, common engineering technical personnel make the technical solution of the utility model; all should fall into protection domain of the present utility model; the technology contents of the utility model request protection, has all been documented in claims.
The utility model is applied on high performance liquid chromatograph, utilizes deuterium lamp to add laser instrument to realize the function of ultraviolet and two kinds of detecting devices of fluorescence.
The utility model adopts extraordinary lens tungsten light source, adds deuterium lamp light source, and laser instrument is solid-state blue laser (473nm), can realize the wide spectrum of wavelength coverage from 190nm to 950nm.Deuterium lamp adopts penetration structure, tungsten lamp light is imaged onto the first slit through deuterium lamp through the first catoptron, and then take the first slit as object point, through the second catoptron, reflex to concave mirror, by concave mirror, reflex to the 3rd catoptron again, the light that the 3rd catoptron reflects arrives sample detection pond by the second semi-permeable and semi-reflecting mirror and detects after the laser light wave of the first semi-permeable and semi-reflecting mirror place and 473nm merges, and with this, has realized all band spectral detection.
The utility model has added laser instrument, and this light source is used for realizing fluorescence detection function, and laser instrument directly incorporates system light path by the first semi-permeable and semi-reflecting mirror, and adopts software control, can select opening and closing, with this, realizes ultraviolet and fluorescent dual measuring ability.In software control procedure, adopt 3 calibration curves, according to flow velocity, the solvent factor and these three factors of reduction pulsation, realize the low pulsation of instrument and the accuracy of flow velocity respectively.
In highly effective liquid phase chromatographic system, the pulsation of infusion pump size and flow accuracy have directly affected detection level and testing result.In order to realize the accuracy of flow and minimizing of pulsation, applicant is adopting 3 calibration curves aspect software, adopt in addition double pump headpin to add the structures such as damper beyond the Great Wall, has realized the low pulsation of instrument and the accuracy of flow velocity.
The utility model can also adopt real-time large screen display and control technology, realizes the entirety of the detection of all band multifunctional multichannel, instrument control and online measuring technique and uses.
The performance index of this instrument are as follows:
Detecting device spectral range 190nm-950nm;
Flow velocity error, when 1 ml/min, is less than 0.1%.
Claims (1)
1. a liquid chromatograph, comprise and detect light path pond (3), detect light path pond (3) and comprise the first light path pond (17) and the second light path pond (16), on pool wall between the first light path pond (17) and the second light path pond (16), have the first slit (5), in the first light path pond (17), extraordinary lens tungsten lamp (1) is installed, deuterium lamp (2) and the first catoptron (4), deuterium lamp (2) is positioned between extraordinary lens tungsten lamp (1) and the first catoptron (4), in the second light path pond (16), concave mirror (6) is installed, the second catoptron (14) and the 3rd catoptron (15), the first slit (5) is positioned between the first catoptron (4) and the second catoptron (14), concave mirror (6), the second catoptron (14) and the 3rd catoptron (15) are along counterclockwise setting triangular in shape, the light that extraordinary lens tungsten lamps (1) send is imaged onto the first slit (5) through deuterium lamp (2) after the first catoptron (4) reflection, and then through the second catoptron (14), reflex to concave mirror (6) take the first slit (5) as object point, by concave mirror (6), reflex to the 3rd catoptron (15) again, it is characterized in that: the first semi-permeable and semi-reflecting mirror (7) and the second semi-permeable and semi-reflecting mirror (8) are also installed in the second light path pond (16), the first semi-permeable and semi-reflecting mirror (7) is positioned between the 3rd catoptron (15) and the second semi-permeable and semi-reflecting mirror (8), in the second light path pond (16) of the second semi-permeable and semi-reflecting mirror (8) one sides, reference detector (11) is installed, the outer sample detection pond (10) that is communicated with, the second light path pond (16), the light that the 3rd catoptron (15) reflects is after the first semi-permeable and semi-reflecting mirror (7), a part is reflexed to reference detector (11) by the second semi-permeable and semi-reflecting mirror (8), and another part enters sample detection pond (10) through the second semi-permeable and semi-reflecting mirror (8) through light wave passage (9), on the pool wall in the second outside, light path pond (16), have the second slit (13), the second slit (13) outside is provided with laser instrument (12), laser instrument (12) is corresponding with the second slit (13), the second slit (13) is positioned between laser instrument (12) and the first semi-permeable and semi-reflecting mirror (7), and the light wave of laser instrument (12) is located with reflect photosynthetic of the 3rd catoptron (15) and by the second semi-permeable and semi-reflecting mirror (8), arrives sample detection pond (10) afterwards in the first semi-permeable and semi-reflecting mirror (7) through the second slit (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320692620.7U CN203572808U (en) | 2013-11-06 | 2013-11-06 | Liquid chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320692620.7U CN203572808U (en) | 2013-11-06 | 2013-11-06 | Liquid chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203572808U true CN203572808U (en) | 2014-04-30 |
Family
ID=50540535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320692620.7U Expired - Fee Related CN203572808U (en) | 2013-11-06 | 2013-11-06 | Liquid chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203572808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891150A (en) * | 2016-05-10 | 2016-08-24 | 广东星创众谱仪器有限公司 | Liquid detection device and detection method thereof for near-infrared spectrum analyzer |
-
2013
- 2013-11-06 CN CN201320692620.7U patent/CN203572808U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891150A (en) * | 2016-05-10 | 2016-08-24 | 广东星创众谱仪器有限公司 | Liquid detection device and detection method thereof for near-infrared spectrum analyzer |
| CN105891150B (en) * | 2016-05-10 | 2019-01-29 | 广东星创众谱仪器有限公司 | A kind of liquid-detecting and its detection method for near-infrared spectrometers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20141106 |
|
| EXPY | Termination of patent right or utility model |