CN104198385B - Eight-channel device for detecting switchable light source absorption spectrum - Google Patents
Eight-channel device for detecting switchable light source absorption spectrum Download PDFInfo
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- CN104198385B CN104198385B CN201410448173.XA CN201410448173A CN104198385B CN 104198385 B CN104198385 B CN 104198385B CN 201410448173 A CN201410448173 A CN 201410448173A CN 104198385 B CN104198385 B CN 104198385B
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Abstract
The invention discloses an eight-channel device for detecting a switchable light source absorption spectrum. The eight-channel device for detecting the switchable light source absorption spectrum comprises an eight-channel optical signal acquisition plate, an eight-channel focusing lens group, a two-row eight-channel incident light collimating assembly, a concave plate, an optical switch, a base plate, worm and gear and a driving motor, wherein the eight-channel optical signal acquisition plate, the eight-channel focusing lens group, the two-row eight-channel incident light collimating assembly and the concave plate are sequentially connected with one another; the worm and gear is connected with the base plate. The eight-channel device for detecting the switchable light source absorption spectrum is high in integration level, is capable of selecting wavelength positions and light intensities of the incident light according to different detected samples, has a single row of 8 detection optical fiber joints and is capable of meeting the requirements of a multi-channel optical detection device and high-flux optical detection.
Description
Technical field
The present invention relates to a kind of optical detection apparatus, especially a kind of eight passage switchable light source absorption spectrum detection dresses
Put.
Background technology
Spectrophotography be by measure measured matter in certain wave strong point or a wavelength range absorbance of light or
Transmitted intensity, the method that qualitative and quantitative analysis is carried out to this material, Detection wavelength scope typically can comprise ultraviolet light, visible
Light and near infrared band.Typical trap detecting system includes light source incidence interface, and between detection light and sample
The Systems for optical inspection interacting.When the light of different wave length is continuously irradiated to certain density sample solution, just can obtain
To the corresponding absorption intensity of each incident wavelength, such as coordinate system is set up with wavelength (λ) and absorption intensity (A), you can draw this thing
The absorption spectrum curve of matter.Such absorption spectrum detection system, generally include light source incidence device, absorption spectrum converging device and
Photoelectric detector, and in the design, detecting system need to pay close attention to drift value and the sensitivity to detection sample of testing result.With
Instrument design is also being continuously increased towards high flux and integrated direction development, the value volume and range of product of detected sample, absorbing light
The application of spectrum detecting system also extends continuous.At present, the absorption spectrum detection means producing both at home and abroad, Ordinary Light Sources Have is such as
Halogen light, deuterium lamp, xenon lamp etc., export after required Detection wavelength is selected by optical filter or optical-mechanical system.For to be detected
Sample absorbs peak position, after single color system selects wavelength, external light source signal is incorporated in detecting system.According to detection
Shuttle and the difference of detection flux, designed detection light path system is also different.Wherein, for high flux sample detection
96 microwell plates, are generally divided into single channel and multi-channel detection light path design.Examine mainly for eight passage absorption spectrums during this is new
Survey device, changeable incident light source design is provided.Such absorption spectrum detection system, to same detection light path, is generally only equipped with single
One beam splitting system (filter system or optical-mechanical system), because light-dividing principle is different, is difficult to accomplish in higher incident intensity
Under the conditions of when higher (i.e. accuracy of detection require), any wavelength selects.Therefore, common absorption spectrum detection means, in detection
In the higher instrument of sensitivity requirement, it is commonly provided with filter system；In the case of needing to scan absorption spectrum, it is commonly provided with
Optical-mechanical system.In such absorption spectrum detection means, if two kinds of demands meet simultaneously, two different beam splitting system light paths
Needs separately design, optical design integrated level relatively low it is impossible to meet the application demand of multiple testing results.
Content of the invention
For the problems referred to above, the present invention is intended to provide a kind of eight passage switchable light source absorption spectrum detection means.
For realizing this technical purpose, the solution of the present invention is：A kind of eight passage switchable light source absorption spectrum detection means,
Enter light collimator assembly, notch board, photoswitch, bottom including eight passage light signal collection plates, eight passage focus lens group, double eight passages
Plate, worm and gear, drive motor, it is accurate that described eight passage light signal collection plates, eight passage focus lens group, double eight passages enter light
Straight assembly and notch board are sequentially connected, and described worm and gear is connected on base plate.
Preferably, input path assembly includes double eight channel fiber interfaces, the two row eight passage collimation being sequentially connected
Lens group；Detection optical path component includes single eight passage focus lens group and notch board；Light source changeover module include worm and gear and
Optical switch components.
Preferably, described input path assembly include being sequentially connected double eight channel fiber interfaces, double eight passages
Collimation lens set, wherein fibre-optical splice are assembled in corresponding aperture after being combined with collimation microscope group.Double eight passages collimation microscope groups and double
Arrange eight channel fiber interfaces to be easy to for the monochromatic light of different beam splitting systems to introduce detection means.
Preferably, described detection optical path component includes single eight passage focus lens group and notch board, wherein notch board is easy to
Detection light path is alignd with input path.
Preferably, described light source changeover module includes worm and gear and optical switch components, wherein, worm and gear is used for cutting
Change front two rows collimation microscope group position in input path；Photoswitch and its installing component, are easy to be given during input path switching
Position control signal.
Preferably, fibre-optical splice is arranged on input path direction, will be corresponding for different light sources by light source changeover module
Fibre-optical splice aligns.
Integrated level of the present invention is high, can select lambda1-wavelength position and light intensity according to different detection samples, have single 8
Individual detection fiber joint, can meet Multi-channel optical detection device and high flux optical detection demand.
Brief description
Fig. 1 is assembling schematic diagram of the present invention；
Fig. 2 enters light collimation microscope group and its assembling schematic diagram for double eight passages of the present invention；
Fig. 3 is single eight passage focus lens group and lens schematic diagram used by each passage in the present invention；
Fig. 4 is worm and gear and its assembling schematic diagram in the present invention；
Fig. 5 is photoswitch installation notch board schematic diagram in the present invention；
Fig. 6 is each part installation base plate schematic diagram in the present invention.
Specific embodiment
This and specific embodiment are described in further details to the present invention below in conjunction with the accompanying drawings.
As shown in figure 1, one kind eight passage switchable light source absorption spectrum detection means of the embodiment of the present invention, logical including eight
Road light signal collection plate 1, eight passage focus lens group 2, double eight passages enter light collimator assembly 3, notch board 4, photoswitch 5, base plate
6th, worm and gear 7, drive motor 8, described eight passage light signal collection plates 1, eight passage focus lens group 2, double eight passages enter
Light collimator assembly 3 and notch board 4 are sequentially connected, and described worm and gear 7 is connected on base plate 6.
Preferably, described input path assembly include being sequentially connected two row eight channel fiber interface, double eight passages
Collimation lens set 2, fibre-optical splice is assembled in corresponding aperture after being combined with collimation microscope group.Double eight passage collimation groups 3 and double eight
Channel fiber interface is easy to for the monochromatic light of different beam splitting systems to introduce detection means.
Preferably, described detection optical path component includes single eight passage focus lens group 2 and notch board 4, wherein notch board 4 just
In by detection light path align with input path.
Preferably, described worm and gear 7 and photoswitch 5 part form light source changeover module, wherein worm and gear 7 is used for
Front two rows collimation lens set 2 position, photoswitch and its installing component in switching input path, are easy to provide input path switching
When position control signal.
Preferably, described fibre-optical splice is arranged on input path direction, by light source changeover module by different light sources pair
The fibre-optical splice alignment answered.
The present invention, in order to solve above-mentioned technical problem, is covered the shortage by following technical proposals.Wherein input path assembly
It is made up of the two row eight channel fiber interface being sequentially connected, two row eight passage collimation lens set, and fibre-optical splice and collimation microscope group
It is assembled in corresponding aperture after conjunction.Two row eight passage collimating mirror and two row eight channel fiber interface are easy to the list of different beam splitting systems
Coloured light introduces detection means.Detection optical path component is made up of single eight passage focus lens group and fixing device, and wherein notch board is just
In by detection light path align with input path.During use, detection optical path component is accurate with wherein one row in input path assembly
Straight microscope group alignment.Fibre-optical splice is arranged on input path direction.By light source changeover module, corresponding for different light sources optical fiber is connect
Head alignment.So the arrangement achieves integrated level high, can according to different detection samples select lambda1-wavelength position and
Light intensity, have single 8 detection fiber joints, Multi-channel optical detection device and high flux optical detection demand can be met.
The above, only presently preferred embodiments of the present invention, not in order to limit the present invention, every skill according to the present invention
Any trickle amendment, equivalent and improvement that art is substantially made to above example, should be included in technical solution of the present invention
Protection domain within.
Claims (3)
1. a kind of eight passage switchable light source absorption spectrum detection means, focus on including eight passage light signal collection plates, eight passages
Lens group, double eight passages enter light collimator assembly, notch board, photoswitch, base plate, worm and gear, drive motor it is characterised in that：
Described eight passage light signal collection plates, eight passage focus lens group, double eight passages enter light collimator assembly and notch board connects successively
Connect, described worm and gear is connected on base plate；Fibre-optical splice is arranged on input path direction, by light source changeover module by difference
The corresponding fibre-optical splice of light source aligns；The double eight channel fiber interfaces that input path assembly includes being sequentially connected, double eight lead to
Road enters light collimator assembly.
2. a kind of eight passage switchable light source absorption spectrum detection means according to claim 1 it is characterised in that：Described
Detection optical path component includes eight passage focus lens group and notch board.
3. a kind of eight passage switchable light source absorption spectrum detection means according to claim 1 it is characterised in that：Described
Light source changeover module includes worm and gear and optical switch components.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410448173.XA CN104198385B (en) | 2014-09-04 | 2014-09-04 | Eight-channel device for detecting switchable light source absorption spectrum |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410448173.XA CN104198385B (en) | 2014-09-04 | 2014-09-04 | Eight-channel device for detecting switchable light source absorption spectrum |
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| CN104198385A CN104198385A (en) | 2014-12-10 |
| CN104198385B true CN104198385B (en) | 2017-02-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107101945A (en) * | 2017-05-26 | 2017-08-29 | 北京智云达科技股份有限公司 | A kind of multichannel multi-wavelength light spectrum detection device |
| KR102326680B1 (en) * | 2017-09-14 | 2021-11-15 | 삼성전자주식회사 | Apparatus for inspecting material property |
| CN107561073A (en) * | 2017-09-20 | 2018-01-09 | 天津瑞泽分析仪器有限公司 | A kind of full spectrum ELIASA for being designed with eight passage cell holders |
| US10842381B2 (en) * | 2017-10-10 | 2020-11-24 | Colgate-Palmolive Company | Spectroscopic system and method therefor |
| CN107783355B (en) * | 2017-10-21 | 2020-08-28 | 湖南华南光电(集团)有限责任公司 | Infrared double-view-field quick switching type lens |
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