CN206696177U - A kind of Portable near infrared multi-channel spectrometer - Google Patents

A kind of Portable near infrared multi-channel spectrometer Download PDF

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Publication number
CN206696177U
CN206696177U CN201720242550.3U CN201720242550U CN206696177U CN 206696177 U CN206696177 U CN 206696177U CN 201720242550 U CN201720242550 U CN 201720242550U CN 206696177 U CN206696177 U CN 206696177U
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China
Prior art keywords
probe
detection hole
near infrared
light source
optical fiber
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Expired - Fee Related
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CN201720242550.3U
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Chinese (zh)
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林舒怀
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林舒怀
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Abstract

It the utility model is related to spectrometric instrument technical field, and in particular to a kind of Portable near infrared multi-channel spectrometer, including housing, probe and conduction optical fiber, surface of shell set display screen, pop one's head in and are connected by conducting the left side of optical fiber and housing;Enclosure interior sets gradually collector lens module, slit module, optical splitter, photodetector and data processing unit from left to right;Probe includes detection hole and probe protection cap, and detection hole sets gradually to the right and on same center line integrating sphere, monochromator, optical filter, chopper, convex lens and near-infrared light source;Thing to be detected is placed on the left of detection hole, fibre-optical probe, fibre-optical probe connection conduction optical fiber are connected above integrating sphere;Near-infrared light source connects light source button;Wireless communication module is passed sequentially through on data processing unit, radio network gateway is connected to Cloud Server.The utility model is simple in construction to be easy to carry, analyze speed is fast, data syn-chronization is fast, can be widely applied to the fields such as agriculture and animal husbandry, chemical industry, pharmacy, tobacco.

Description

A kind of Portable near infrared multi-channel spectrometer
Technical field
It the utility model is related to spectrometric instrument technical field, and in particular to a kind of Portable near infrared multi-channel spectral Instrument.
Background technology
Near infrared light be between visible ray VIS and in electromagnetic radiation as waves between infrared MIR, U.S. material detection association Near infrared spectrum is defined as 780~2526nm region by ASTM, and be that people have found in absorption spectrum first is non-can Jian Guang areas.Near infrared spectrum and the sum of fundamental frequencies vibrated of hydric group OH, NH, CH in organic molecule and the uptake zone one of frequency multiplication at different levels Cause, by scanning the near infrared spectrum of sample, the characteristic information of organic molecule hydric group in sample can be obtained, and utilize Near-infrared spectrum technique analysis sample have easily and fast, efficiently, it is accurately relatively low with cost, do not destroy sample, do not consume chemistry Reagent, it is free from environmental pollution the advantages that, near infrared spectrometer be widely used to agricultural production industry, petroleum chemicals, clinical diagnosis, environment inspection The fields such as survey.But current near infrared spectrometer is single pass mostly, can not realize synchro measure in actual use With date comprision etc..
Such as China Patent No. CN201420638319.2, date of declaration is disclosed in the patent of invention of on 03 18th, 2015 A kind of multichannel optical fiber spectrometer based on cmos image sensor, including cmos image sensing module, prism, slit die Group, condenser lens module, guiding optical fiber and probe composition;Described probe is saturating by described guiding optical fiber and described focusing Mirror module is connected, and described slit module is placed on the focal plane of described condenser lens module, and described prism is placed on Between described slit module and described cmos image sensing module;Described cmos image senses module by CMOS array light Electric conversion chip and data transmission board composition;Described cmos image sensing module is defeated to computer by circumscribed USB transmission line Go out view data, view data is converted into multi-channel spectral curve by computer software, then showing by display data line Multi-channel spectral curve is shown on device simultaneously.The utility model possesses multichannel, spectra collection efficiency high, but the utility model is not There is advantage near infrared spectrometer, usage range is small, can not carry out light to shape, structure, component of determinand etc. Spectrum analysis, the composition analysis and property for being not particularly suitable for carbon-hydrogen organic measure.
Utility model content
The technical problem of solution
For the above-mentioned deficiency present in prior art, the utility model provides Portable near infrared multi-channel spectral Instrument, can be efficiently against the unsuitable measurement carbon-hydrogen organic present in prior art and single channel is near in the prior art The problem of infrared spectrometer measurement limitation, there is provided it is a kind of it is simple in construction be easy to carry, analyze speed is fast, data syn-chronization is fast and special It is adapted to the Portable near infrared multi-channel spectrometer of carbon-hydrogen organic component, property etc. measurement analysis.
Technical scheme
To realize object above, the utility model is achieved by the following technical programs:
A kind of Portable near infrared multi-channel spectrometer, including housing, probe and conduction optical fiber, the surface of shell are set Display screen, the probe are connected by the conduction optical fiber with the left side of the housing;The enclosure interior from left to right according to Secondary setting collector lens module, slit module, optical splitter, photodetector and data processing unit;The right side of the conduction optical fiber End is connected with the collector lens module, and the data processing unit is connected with the display screen;The probe includes detection hole With probe protection cap, it is described probe protection cap inside center at set detection hole protect plug;The detection hole to the right and it is same in Integrating sphere, monochromator, optical filter, chopper, convex lens and near-infrared light source are set gradually on heart line;Put on the left of the detection hole Thing to be detected is put, fibre-optical probe is connected above the integrating sphere, the fibre-optical probe connects the conduction optical fiber;The near-infrared Light source connects light source button;Wireless communication module is passed sequentially through on the data processing unit, radio network gateway is connected to cloud service Device.
Further, the display screen is touching display screen, and the data processing unit handles obtained spectrogram Picture and spectral data analysis result are shown on the display screen.
Further, the linear transducer array is arranged on the left side longitudinal centre line of the housing.
Further, the collector lens module includes the collector lens that array is set, and the slit module includes battle array Arrange the slit set.
Further, probe, the collector lens and the slit are corresponding in turn to setting.
Further, the light source button is arranged on the outer wall of the probe.
Further, the internal diameter of the probe protection cap is equal with the external diameter of the probe, the detection hole protection plug External diameter it is equal with the internal diameter of the detection hole, detection hole protection plug is rubber cork.
Beneficial effect
Using technical scheme provided by the utility model, compared with known publicly-owned technology, have the advantages that:
1st, the utility model is opened by collector lens module, slit module and optical splitter for being installed in housing etc. A plurality of spectrum channel, the purpose for measuring multiple things to be detected simultaneously is realized, be easy to data acquisition and comparative analysis, module is unified to be marked Certainly system simultaneously improves a lot with housing assembly, stability and anti-seismic performance.
2nd, the utility model is by setting display screen, spectrum picture and spectroscopic data that data processing unit is handled to obtain Analysis result visualizes, and is easy to observe;Simultaneously can by touching display screen set spectral measurement related data parameter or Standard value.
3rd, the utility model by data processing unit by passing through wireless communication module and radio network gateway synchrodata to cloud Server, spectroscopic data remote collection and synchronous storage are realized, be easy to improve operating efficiency.
4th, the device that the utility model gathers object test light to be checked and composed by the way that near-infrared light source is fixedly installed in probe, and set Put the start and stop of light source button control detection process, have in a fiber using near infrared light good transmission characteristic, analyze speed it is fast, The advantages that being especially suitable for frequency multiplication and the sum of fundamental frequencies absorption of record hydric group vibration, complete to treat the detection and analysis of detectable substance.
5th, the utility model is compact-sized, small volume, is easy to carry.
6th, the utility model is effectively protected instrument in a non-operative state not by extraneous dirty by setting protection cap of popping one's head in Dye, for this photosensitive especially needed protection of instrument of infrared probe.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art.It should be evident that drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model external structure schematic diagram;
Fig. 2 is internal structure of the present utility model and light path principle schematic diagram;
Fig. 3 is probe internal structure of the present utility model and light path principle schematic diagram;
Fig. 4 is the structural representation of probe protection cap of the present utility model;
Fig. 5 is data synchronous system connection diagram of the present utility model;
Label in figure represents respectively:1- housings;2- display screens;3- data processing units;4- pops one's head in;40- detection holes; 41- near-infrared light sources;42- convex lens;43- choppers;44- optical filters;45- monochromators;46- integrating spheres;47- light source buttons; 5- conducts optical fiber;51- fibre-optical probes;6- collector lens modules;61- collector lenses;7- slit modules;71- slits;8- light splitting system System;9- photodetectors;10- things to be detected;11- probe protection caps;12- detection holes protection plug.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described.Obviously, retouched The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to The scope of the utility model protection.
With reference to embodiment, the utility model will be further described.
Embodiment
A kind of Portable near infrared multi-channel spectrometer of the present embodiment, including housing 1, probe 4 and conduction optical fiber 5, shell The surface of body 1 sets display screen 2, and probe 4 is connected by conducting optical fiber 5 with the left side of housing 1;Inside housing 1 from left to right according to Secondary setting collector lens module 6, slit module 7, beam splitting system 8, photodetector 9 and data processing unit 3;Conduct optical fiber 5 Right-hand member be connected with collector lens module 6, data processing unit 3 is connected with display screen 2;Probe 4 includes detection hole and probe is protected Protecting cover 11, set at the inside center of protection cap 11 of popping one's head in detection hole to protect plug 12, detection hole to the right and on same center line successively Integrating sphere 46, monochromator 45, optical filter 44, chopper 43, convex lens 42 and near-infrared light source 41 are set;Placed on the left of detection hole Thing 10 to be detected, the top of integrating sphere 46 connection fibre-optical probe 51, the connection conduction optical fiber 5 of fibre-optical probe 51;Near-infrared light source 41 connects Connect light source button 47;Wireless communication module is passed sequentially through on data processing unit 3, radio network gateway is connected to Cloud Server;Display Screen 2 is touching display screen, and the spectrum picture and spectral data analysis result that the processing of data processing unit 3 obtains are shown in display On screen 2;4 arrays of popping one's head in are arranged on the left side longitudinal centre line of housing 1;Collector lens module 6 includes the poly- of array setting Optical lens 61, slit module 7 include the slit 71 that array is set;Probe 4, collector lens 61 and slit 71 are corresponding in turn to setting; Light source button 47 is arranged on the outer wall of probe 4;The internal diameter for protection cap 11 of popping one's head in is equal with the external diameter of probe 4, detection hole protection The external diameter of plug 12 is equal with the internal diameter of detection hole 40, and detection hole protection plug 12 is rubber cork.
During measurement, thing 10 to be detected is placed at the detection hole 40 in the left side of probe 4, presses light source button 47 and connect near-infrared Light source 41, near infrared light is produced by convex lens 42, chopper 43, optical filter 44, monochromator 45 to integrating sphere 46, through position Thing to be detected 10 on the left of integrating sphere, spectrum change occurs, the spectrum after change eventually enters into by the reflection of integrating sphere 46 Fibre-optical probe 51, by conducting optical fiber 5, collector lens module 6, slit module 7, beam splitting system 8, gathered by photodetector 9 Become electric signal and be transmitted to data processing unit 3, the spectrum picture and Spectroscopic analysis results obtained after the processing of data processing unit 3 Show on the display screen 2, while the data of data processing unit 3 can pass through wireless communication module, radio network gateway be synchronized to cloud clothes Business device;When not in use, probe protection cap 11 can be effectively protected instrument in a non-operative state not by outside contamination, for red The outer this photosensitive especially needed protection of instrument of probe.Spectrometer of the present utility model can analyze aleuronat composition and its The component of his hydric group, it can be widely applied to the fields such as agriculture and animal husbandry, chemical industry, pharmacy, tobacco.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations;Although with reference to foregoing reality Example is applied the utility model is described in detail, it will be understood by those within the art that:It still can be to preceding State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic;And these Modification or replace, can't make appropriate technical solution essence depart from various embodiments of the utility model technical scheme spirit and Scope.

Claims (7)

1. a kind of Portable near infrared multi-channel spectrometer, including housing (1), probe (4) and conduction optical fiber (5), its feature exist In:Housing (1) surface sets display screen (2), and the probe (4) passes through the conduction optical fiber (5) and the housing (1) Left side connects;Collector lens module (6), slit module (7), light splitting system are set gradually inside the housing (1) from left to right System (8), photodetector (9) and data processing unit (3);The right-hand member and the collector lens module of the conduction optical fiber (5) (6) connect, the data processing unit (3) is connected with the display screen (2);The probe (4) includes detection hole (40) and visited Head protection lid (11), it is described probe protection cap (11) inside center at set detection hole protect plug (12);The detection hole (40) Integrating sphere (46), monochromator (45), optical filter (44), chopper (43), convex lens are set gradually to the right and on same center line And near-infrared light source (41) (42);Thing (10) to be detected is placed on the left of the detection hole (40), is connected above the integrating sphere (46) Connect fibre-optical probe (51), fibre-optical probe (51) the connection conduction optical fiber (5);The near-infrared light source (41) connects light source Button (47);Wireless communication module is passed sequentially through on the data processing unit (3), radio network gateway is connected to Cloud Server.
2. Portable near infrared multi-channel spectrometer according to claim 1, it is characterised in that the display screen (2) is Touching display screen, the spectrum picture and spectral data analysis result that data processing unit (3) processing obtains are shown in institute State on display screen (2).
3. Portable near infrared multi-channel spectrometer according to claim 1, it is characterised in that described probe (4) array It is arranged on the left side longitudinal centre line of the housing (1).
4. Portable near infrared multi-channel spectrometer according to claim 1, it is characterised in that the collector lens module (6) collector lens (61) that array is set is included, the slit module (7) includes the slit (71) that array is set.
5. Portable near infrared multi-channel spectrometer according to claim 4, it is characterised in that described to pop one's head in (4), be described Collector lens (61) and the slit (71) are corresponding in turn to setting.
6. Portable near infrared multi-channel spectrometer according to claim 1, it is characterised in that the light source button (47) It is arranged on the outer wall of the probe (4).
7. Portable near infrared multi-channel spectrometer according to claim 1, it is characterised in that the probe protection cap (11) internal diameter is equal with the external diameter of the probe (4), the external diameter and the detection hole (40) of the detection hole protection plug (12) Internal diameter it is equal, detection hole protection plug (12) is rubber cork.
CN201720242550.3U 2017-03-14 2017-03-14 A kind of Portable near infrared multi-channel spectrometer Expired - Fee Related CN206696177U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108344694A (en) * 2018-02-26 2018-07-31 长光禹辰信息技术与装备(青岛)有限公司 A kind of multispectral instrument of multi-mode multiplexing
CN108375546A (en) * 2018-01-31 2018-08-07 中国科学院合肥物质科学研究院 The online multipoint detection device of chemical fertilizer based on Vis/NIR technology and its detection method
CN108582580A (en) * 2018-04-25 2018-09-28 中智科仪(北京)科技有限公司 Plastics on-line sorting device based near infrared technology and its method for sorting
CN109738379A (en) * 2019-01-22 2019-05-10 四川长虹电器股份有限公司 A kind of miniature molecular spectrum identification device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108375546A (en) * 2018-01-31 2018-08-07 中国科学院合肥物质科学研究院 The online multipoint detection device of chemical fertilizer based on Vis/NIR technology and its detection method
CN108344694A (en) * 2018-02-26 2018-07-31 长光禹辰信息技术与装备(青岛)有限公司 A kind of multispectral instrument of multi-mode multiplexing
CN108582580A (en) * 2018-04-25 2018-09-28 中智科仪(北京)科技有限公司 Plastics on-line sorting device based near infrared technology and its method for sorting
CN108582580B (en) * 2018-04-25 2020-11-24 中智科仪(北京)科技有限公司 Plastic online sorting device based on near-infrared technology and sorting method thereof
CN109738379A (en) * 2019-01-22 2019-05-10 四川长虹电器股份有限公司 A kind of miniature molecular spectrum identification device

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