CN103698008B - A kind of spectrometer for industrial field - Google Patents
A kind of spectrometer for industrial field Download PDFInfo
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- CN103698008B CN103698008B CN201310722441.8A CN201310722441A CN103698008B CN 103698008 B CN103698008 B CN 103698008B CN 201310722441 A CN201310722441 A CN 201310722441A CN 103698008 B CN103698008 B CN 103698008B
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Abstract
The invention discloses a kind of spectrometer for industrial field, belong to spectrometer technical field.The present invention includes light harvesting collimating module, image-forming module, processing module and control module and Interface Expanding modular converter, light harvesting collimating module, for collecting target reflecting light, to collimate the light collected, light splitting, and the light after output processing; In image-forming module, CCD driving circuit control CCD detecting device gathers the spectrum after the process of light harvesting collimating module; The spectroscopic data of processing module to the collection of CCD detecting device processes and shows, and processing module comprises signal condition unit, data acquisition unit and power supply unit; Control module is used for transmitting control signal to processing module and CCD driving circuit, and Interface Expanding modular converter is used for the interface of spread spectrum instrument.Leakage switch has been installed in the present invention additional, makes spectrometer work more safe and reliable, and achieves high-energy utilization factor and high-resolution perfect adaptation.
Description
Technical field
The present invention relates to a kind of spectrometer, more particularly, relate to a kind of spectrometer for industrial field.
Background technology
Only a kind of electromagnetic radiation as waves, there is certain energy, the energy of different wavelengths of light is corresponding with certain quantized level difference of molecule or intratomic electronics, when light action is in test substance, the phenomenons such as reflection, absorption and scattering can be caused, thus produce the change of incident optical signal, the change of incident optical signal directly reflects the uptake of compound atom or molecular electromagnetic emission, volume reflection or scattered quantum, spectral technique measures its change exactly, obtain the spectrogram of light absorption, reflection or scattering, thus carry out qualitative or quantitative test, identify compound.
The spectrum of material and the structure of molecule closely related, be that research characterizes a kind of effective means of molecular structure, compared with other method, due to spectral analysis to sample without any restriction, be a kind of generally acknowledged important tools of analysis.Have in many-sided analysis such as molecular configuration and conformation research, chemical, physics, the energy, material, astronomy, meteorology, remote sensing, environment, geology, biology, medical science, medicine, agricultural, food, Forensic identification and industrial stokehold measures and apply very widely.Can form the spectrum of material, spectrometer is referred to as by the instrument distinguishing, analyze, measure spectrum.
At present, the spectrometer that industry spot uses has multiple interfaces, and different spectrometers has different interfaces.But general spectrometer only has one or two interface usually, be generally RS232 or USB interface.Such spectrometer is just difficult in some specific occasion use, and as measurement data is wirelessly sent to central station by needs in real time, general interface is just difficult to be competent at.In addition, the length and width of spectrograph slit used due to industry spot, grating parameter determine capacity usage ratio and the resolution of spectrometer to a great extent.Then the efficiency of light energy utilization is lower to improve the resolution of spectrometer, improve the efficiency of light energy utilization then resolution can decline; Above-mentioned factor significantly limit the use of spectrometer.
In addition, after the spectrometer used at present also exists and installs leakage switch additional, the situation of electricity very easily jumped by spectrometer.Leakage switch, as a kind of circuit brake, plays very important protective effect to circuit, and spectrometer can not install leakage switch, and spectrometer will certainly be made to there is very large potential safety hazard in the course of the work.And also there is explicit stipulation in country; the electrical equipment of similar spectrometer must install leakage switch; while spectrometer how can be allowed well to obtain leakage switch protection, not affecting again the normal work of spectrometer because easily jumping electricity, also having become a great problem always perplexing Site Detection personnel.
Summary of the invention
1. invent the technical matters that will solve
The object of the invention is to overcome that existing spectrometer exists: 1) high-energy utilization factor and high resolving power can not be ensured simultaneously; 2) interface is single, and inconvenience uses at special occasions; 3) can not install leakage switch, the problem of protection circuit, provide a kind of spectrometer for industrial field, spectrometer of the present invention achieves high-energy utilization factor and high-resolution perfect adaptation, and low cost of manufacture, result of use are good.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
A kind of spectrometer for industrial field of the present invention, comprises light harvesting collimating module, image-forming module, processing module and control module, and described light harvesting collimating module, for collecting target reflecting light, to collimate the light collected, light splitting, and the light after output processing; Described image-forming module comprises CCD detecting device and CCD driving circuit, the output terminal of light harvesting collimating module is connected with the input end of described CCD detecting device, described CCD driving circuit control CCD detecting device gathers the spectrum after the process of light harvesting collimating module, and exports the spectroscopic data gathered; Described processing module is connected with image-forming module, the spectroscopic data of CCD detecting device collection is processed and shown, this processing module comprises signal condition unit, data acquisition unit and power supply unit, described signal condition unit outputs to data acquisition unit after being nursed one's health by the spectroscopic data of input, and described power supply unit is to signal condition unit and CCD drive circuitry; Described control module comprises data analysis interface display unit and control system unit; This control module is used for transmitting control signal to described processing module and CCD driving circuit;
Described light harvesting collimating module comprises light harvesting collimation lens, cylindrical mirror, slit, collimation lens, grating, imaging len, DMD, condenser lens and single-point photodiode, described light harvesting collimation lens and cylindrical mirror form sheet feeding type, the reflected light detecting target incides light harvesting collimation lens through fiber port, being collimated by light harvesting collimation lens is incide cylindrical mirror after secondary color directional light, slit is incided after circular light beam is become ribbon beam by cylindrical mirror, after collimation lens collimation is secondary color directional light, grating is incided by the light beam of slit outgoing, be band through grating dispersion, the angle of adjustment DMD, incide the diverse location of DMD successively by wavelength order after band is assembled by imaging len, carry out being focused on by condenser lens on single-point photodiode after wavelength gating through DMD, single-point photodiode sends the spectral information of reception to CCD detector processes,
Described power supply unit adds leakage switch, and one end of this leakage switch is connected with power outlet, and the other end of described leakage switch is connected with an isolating transformer, and the turn ratio of described isolating transformer is 1:1;
Spectrometer for industrial field also comprises Interface Expanding modular converter, described Interface Expanding modular converter comprises interface unit, interface control unit and higher level's Bus Interface Unit, described interface unit is connected with the interface of data acquisition unit, and this interface unit is for transmitting the spectrum measuring data of spectrometer collection; Described interface control unit is connected with interface unit, for controlling the transmission of spectrum measuring data in spectrometer, and sends control command to spectrometer; One end of described higher level's Bus Interface Unit is connected with interface control unit, and the other end of this higher level's Bus Interface Unit is connected with superior system, for by spectrometer collection to spectroscopic data be sent to data receiver.
As further improvement of the present invention, described light harvesting collimation lens, collimation lens and imaging len are cemented doublet.
As further improvement of the present invention, the width of slit is 45 μm, and length is 1.5mm.
As further improvement of the present invention, the kind of interface of described interface unit comprises CAN, RS422, RS485, RS232 and USB.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with existing known technology, there is following remarkable result:
(1) a kind of spectrometer for industrial field of the present invention, with the addition of sheet feeding type between optical fiber and slit, substantially increases the capacity usage ratio treating light-metering; By designing suitable slit width, grating incidence angle etc., making spectrometer while resolution is higher, having higher capacity usage ratio, improve the detectability of spectrometer to faint light spectrum signal;
(2) a kind of spectrometer for industrial field of the present invention, its Interface Expanding modular converter is connected with the interface of the data acquisition unit of spectrometer, overcome the spectrograph interface used at present single, be not easy to the situation used at special occasions, existing spectrometer can be linked in larger, more complicated system and go;
(3) a kind of spectrometer for industrial field of the present invention, by installing isolating transformer additional, and being provided with suitable isolating transformer turn ratio, overcoming the difficult problem that existing spectrometer can not install leakage switch additional, make spectrometer work more safe and reliable.
Accompanying drawing explanation
Fig. 1 is the model calling schematic diagram of a kind of spectrometer for industrial field of the present invention;
Fig. 2 is the fundamental diagram of light harvesting collimating module in the present invention;
Label declaration in schematic diagram:
1, target is detected; 2, light harvesting collimation lens; 3, cylindrical mirror; 4, slit; 5, collimation lens; 6, grating; 7, imaging len; 8, DMD; 9, condenser lens; 10, single-point photodiode.
Embodiment
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
By reference to the accompanying drawings, a kind of spectrometer for industrial field of the present embodiment, comprises light harvesting collimating module, image-forming module, processing module and control module, and described light harvesting collimating module is for collecting target reflecting light, the light collected is collimated, light splitting, and the light after output processing.Described light harvesting collimating module comprises light harvesting collimation lens 2, cylindrical mirror 3, slit 4, collimation lens 5, grating 6, imaging len 7, DMD8, condenser lens 9 and single-point photodiode 10, described light harvesting collimation lens 2 and cylindrical mirror 3 form sheet feeding type, the reflected light detecting target 1 incides light harvesting collimation lens 2 through fiber port, being collimated by light harvesting collimation lens 2 is incide cylindrical mirror 3 after secondary color directional light, slit 4 is incided after circular light beam is become ribbon beam by cylindrical mirror 3, after collimation lens 5 collimation is secondary color directional light, grating 6 is incided by the light beam of slit 4 outgoing, be band through grating 6 dispersion.Driving circuit is utilized to adjust the angle of DMD8, incide the diverse location of DMD8 successively by wavelength order after band is assembled by imaging len 7, carry out focusing on single-point photodiode 10 by condenser lens 9 after wavelength gating through DMD8, single-point photodiode 10 sends the spectral information of reception to CCD detector processes.In the present embodiment, light harvesting collimation lens 2, collimation lens 5 and imaging len 7 are cemented doublet, and cemented doublet can aberration correction better.
The present embodiment with the addition of sheet feeding type between optical fiber and slit, substantially increases the capacity usage ratio treating light-metering.The width of described slit 4 is 45 μm, length is 1.5mm, by designing suitable slit width, and by adjusting the angle Reasonable adjustment grating incidence angle of DMD (digital micromirror elements) 8, make spectrometer while resolution is higher, there is higher capacity usage ratio, improve the detectability of spectrometer to faint light spectrum signal.
Described image-forming module comprises CCD detecting device and CCD driving circuit, the output terminal of light harvesting collimating module is connected with the input end of described CCD detecting device, described CCD driving circuit control CCD detecting device gathers the spectrum after the process of light harvesting collimating module, and exports the spectroscopic data gathered.Described processing module is connected with image-forming module, the spectroscopic data of CCD detecting device collection is processed and shown, this processing module comprises signal condition unit, data acquisition unit and power supply unit, described signal condition unit comprises signal amplification, filtering circuit and A/D convertor circuit, signal condition unit outputs to data acquisition unit after being nursed one's health by the spectroscopic data of input, and described power supply unit is to signal condition unit and CCD drive circuitry.Power supply unit adds leakage switch, one end of this leakage switch is connected with power outlet, the other end of described leakage switch is connected with an isolating transformer, and the turn ratio of described isolating transformer is 1:1, and the other end of this isolating transformer is connected with interlock circuit.By installing isolating transformer additional, and being provided with suitable isolating transformer turn ratio, overcoming the difficult problem that existing spectrometer can not install leakage switch additional, make spectrometer work more safe and reliable.What deserves to be explained is herein, although the present embodiment is just by simply with the addition of an isolating transformer, and be provided with suitable isolating transformer turn ratio and just solve the problem that spectrometer installs leakage switch additional, but be grope to obtain in long-term production practices, production practices prove the technical scheme provided by the present embodiment, the spectrometer installing leakage switch additional is jumped electric frequency in use procedure at the scene and is greatly reduced, detection speed is accelerated greatly, carries out test item save the time for whole industry spot.
Described control module comprises data analysis interface display unit and control system unit.This control module is used for transmitting control signal to described processing module and CCD driving circuit.Control module is embedded processing module by the present embodiment, by control module is embedded processing module, the work that work order completes each several part is sent to hardware system, comprises data acquisition, Change of integral time, the dependent instruction operations such as data storage, data transmission, data analysis.
Single in order to overcome existing spectrometer for industrial field interface, be not easy to the situation used at special occasions.The spectrometer of the present embodiment also comprises Interface Expanding modular converter, described Interface Expanding modular converter comprises interface unit, interface control unit and higher level's Bus Interface Unit, described interface unit is connected with the interface of the data acquisition unit of spectrometer, interface on interface unit is consistent with the interface of data acquisition unit, this interface unit is used for the spectrum measuring data transmitting spectrometer collection according to interface standard, and sends the control command from interface control unit; Interface can meet the universal or special interface standard such as CAN, RS422, RS485, RS232, USB.Described interface control unit is connected with interface unit, for controlling the transmission of spectrum measuring data in spectrometer, and sends control command to spectrometer.Described control command comprise control the light source switch of spectrometer, the operation such as light source switches, data acquisition and data transmission.Described interface control unit comprises data-reading unit, data Storage and Processing unit, data transmission unit; Data-reading unit is used for the communications protocol according to spectrometer, reads the spectroscopic data in spectrometer; Data Storage and Processing unit for storing the spectroscopic data of reading, and processes data; Data transmission unit is used for sending the packing of the data of data Storage and Processing unit to higher level Bus Interface Unit according to the communications protocol of higher level's bus interface.One end of described higher level's Bus Interface Unit is connected with interface control unit, and the other end of this higher level's Bus Interface Unit is connected with superior system, for by spectrometer collection to spectroscopic data be sent to data receiver.Higher level's Bus Interface Unit interface shape also meets the universal or special interface standard such as CAN, RS422, RS485, RS232, USB.
A kind of spectrometer for industrial field of above-described embodiment, achieve high-energy utilization factor and high-resolution perfect adaptation, install leakage switch additional, make spectrometer work more safe and reliable, the interface of spectrometer is also more diversified, existing spectrometer can be linked in larger, more complicated system go, and low cost of manufacture, result of use are good.
Schematically above be described the present invention and embodiment thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (4)
1. a spectrometer for industrial field, comprise light harvesting collimating module, image-forming module, processing module and control module, it is characterized in that: described light harvesting collimating module, for collecting target reflecting light, to collimate the light collected, light splitting, and the light after output processing; Described image-forming module comprises CCD detecting device and CCD driving circuit, the output terminal of light harvesting collimating module is connected with the input end of described CCD detecting device, described CCD driving circuit control CCD detecting device gathers the spectrum after the process of light harvesting collimating module, and exports the spectroscopic data gathered; Described processing module is connected with image-forming module, the spectroscopic data of CCD detecting device collection is processed and shown, this processing module comprises signal condition unit, data acquisition unit and power supply unit, described signal condition unit comprises signal amplification, filtering circuit and A/D convertor circuit, this signal condition unit outputs to data acquisition unit after being nursed one's health by the spectroscopic data of input, and described power supply unit is to signal condition unit and CCD drive circuitry; Described control module comprises data analysis interface display unit and control system unit; This control module embeds processing module, for transmitting control signal to described processing module and CCD driving circuit;
Described light harvesting collimating module comprises light harvesting collimation lens (2), cylindrical mirror (3), slit (4), collimation lens (5), grating (6), imaging len (7), DMD (8), condenser lens (9) and single-point photodiode (10), described light harvesting collimation lens (2) and cylindrical mirror (3) form sheet feeding type, the reflected light detecting target (1) incides light harvesting collimation lens (2) through fiber port, collimate as inciding cylindrical mirror (3) after secondary color directional light by light harvesting collimation lens (2), slit (4) is incided after circular light beam is become ribbon beam by cylindrical mirror (3), grating (6) is incided through collimation lens (5) collimation for after secondary color directional light by the light beam of slit (4) outgoing, be band through grating (6) dispersion, the angle of adjustment DMD (8), incide the diverse location of DMD (8) successively by wavelength order after band is assembled by imaging len (7), focus on single-point photodiode (10) by condenser lens (9) after DMD (8) carries out wavelength gating, single-point photodiode (10) sends the spectral information of reception to CCD detector processes,
Described power supply unit adds leakage switch, and one end of this leakage switch is connected with power outlet, and the other end of described leakage switch is connected with an isolating transformer, and the turn ratio of described isolating transformer is 1:1;
Spectrometer for industrial field also comprises Interface Expanding modular converter, described Interface Expanding modular converter comprises interface unit, interface control unit and higher level's Bus Interface Unit, described interface unit is connected with the interface of above-mentioned data acquisition unit, and this interface unit is for transmitting the spectrum measuring data of spectrometer collection; Described interface control unit is connected with interface unit, for controlling the transmission of spectrum measuring data in spectrometer, and sends control command to spectrometer; One end of described higher level's Bus Interface Unit is connected with interface control unit, and the other end of this higher level's Bus Interface Unit is connected with superior system, for by spectrometer collection to spectroscopic data be sent to data receiver.
2. a kind of spectrometer for industrial field according to claim 1, is characterized in that: described light harvesting collimation lens (2), collimation lens (5) and imaging len (7) are cemented doublet.
3. a kind of spectrometer for industrial field according to claim 2, is characterized in that: the width of described slit (4) is 45 μm, and length is 1.5mm.
4. a kind of spectrometer for industrial field according to claim 3, is characterized in that: the kind of interface of described interface unit comprises CAN, RS422, RS485, RS232 and USB.
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| US11953427B2 (en) | 2015-08-03 | 2024-04-09 | Endress+Hauser Optical Analysis, Inc. | Reconstruction of frequency registration for quantitative spectroscopy |
| EP3332230B1 (en) * | 2015-08-03 | 2021-12-01 | SpectraSensors, Inc. | Reconstruction of frequency registration deviations for quantitative spectroscopy |
| CN105676725B (en) * | 2016-01-04 | 2018-10-12 | 钢研纳克检测技术股份有限公司 | A kind of signal acquisition control system for spark spectrum instrument |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6753961B1 (en) * | 2000-09-18 | 2004-06-22 | Therma-Wave, Inc. | Spectroscopic ellipsometer without rotating components |
| CN102967369A (en) * | 2012-11-29 | 2013-03-13 | 山东东仪光电仪器有限公司 | Hybrid spectrometer with charge coupled device (CCD) spectral signal |
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| US8040513B2 (en) * | 2008-06-18 | 2011-10-18 | Till I.D. Gmbh | Dual emission microscope |
| JP5871149B2 (en) * | 2011-06-30 | 2016-03-01 | 株式会社ニコン | Microspectroscopy system |
| JP2013061185A (en) * | 2011-09-12 | 2013-04-04 | Toshiba Corp | Pattern inspection device and pattern inspection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6753961B1 (en) * | 2000-09-18 | 2004-06-22 | Therma-Wave, Inc. | Spectroscopic ellipsometer without rotating components |
| CN102967369A (en) * | 2012-11-29 | 2013-03-13 | 山东东仪光电仪器有限公司 | Hybrid spectrometer with charge coupled device (CCD) spectral signal |
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