CN110057452A - Spectrum detection device and system - Google Patents
Spectrum detection device and system Download PDFInfo
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- CN110057452A CN110057452A CN201910410231.2A CN201910410231A CN110057452A CN 110057452 A CN110057452 A CN 110057452A CN 201910410231 A CN201910410231 A CN 201910410231A CN 110057452 A CN110057452 A CN 110057452A
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 238000001228 spectrum Methods 0.000 title claims abstract description 29
- 238000007747 plating Methods 0.000 claims abstract description 76
- 239000012528 membrane Substances 0.000 claims abstract description 75
- 230000003287 optical effect Effects 0.000 claims abstract description 31
- 238000010521 absorption reaction Methods 0.000 claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims description 27
- 239000011248 coating agent Substances 0.000 claims description 16
- 230000003595 spectral effect Effects 0.000 claims description 12
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- 238000004364 calculation method Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000023077 detection of light stimulus Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0202—Mechanical elements; Supports for optical elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
- G01J3/0208—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using focussing or collimating elements, e.g. lenses or mirrors; performing aberration correction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
- G01J2003/425—Reflectance
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- Spectroscopy & Molecular Physics (AREA)
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention provides a kind of spectrum detection device and systems, are related to the technical field of optical detection, which includes illuminator, collimating mirror, optical absorption chamber, concave spherical surface metallic-membrane plating reflector and detector；Illuminator is for issuing target light；Collimating mirror for injecting target light in optics absorbing cavity in parallel；Optical absorption chamber is for storing under test gas, and target light is across parallel transmission after under test gas to concave spherical surface metallic-membrane plating reflector；Concave spherical surface metallic-membrane plating reflector be used for receive optical absorption chamber output target light, reflection receivable to target light in preset wave band light；Detector is used to receive the light of default wave band, and detects the Wavelength strength of the light of default wave band.This light projected through optical absorption chamber only needs the primary event by concave spherical surface metallic-membrane plating reflector, and detector can be detected the light wave intensity of the light of default wave band, reduce the loss of light energy, improve the efficiency of light energy utilization.
Description
Technical field
The present invention relates to technical field of optical detection, more particularly, to a kind of spectrum detection device and system.
Background technique
Currently, mostly using fiber spectrometer to project light respectively with different-waveband when carrying out spectral detection to light
Carry out the detection of the light wave intensity of different-waveband again afterwards.In above-mentioned detection process, into fiber spectrometer light through optical fiber
After the limitation of the slit of spectrometer, grating is incident on by collimating mirror.Light after grating beam splitting is converged to by condenser
On detector array, detector array can be obtained the light wave intensity of different-waveband.It is entered in light and finally converges to array
During detector, luminous flux will receive the limitation of fiber optic aperture and spectrograph slit；And luminous flux needs process collimation,
Triple reflection is assembled in light splitting, could finally be detected by detector array.Such light detection mode makes the logical of luminous flux
It is lower to cross rate, and then causes the efficiency of light energy utilization lower, reduces the spectral sensitivity of fiber spectrometer to a certain extent.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of spectrum detection device and system, to alleviate the prior art
The lower technical problem of spectral sensitivity caused by the middle efficiency of light energy utilization is lower.
In a first aspect, the embodiment of the invention provides a kind of spectrum detection device, the device include illuminator, collimating mirror,
Optical absorption chamber, concave spherical surface metallic-membrane plating reflector, and it is mounted on the detector of the focal point of concave spherical surface metallic-membrane plating reflector；Illuminator
For issuing target light；Collimating mirror for injecting target light in optics absorbing cavity in parallel；Optical absorption chamber is for storing
Under test gas, target light is across parallel transmission after under test gas to concave spherical surface metallic-membrane plating reflector；Concave spherical surface metallic-membrane plating reflector is used
In receive optical absorption chamber output target light, reflection receivable to target light in preset wave band light；Detector is used
In the light for receiving default wave band, and the Wavelength strength of the light of wave band is preset in detection.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein recessed
The inner wall of spherical surface metallic-membrane plating reflector is coated with the reflectance coating of multiple and different materials；Multiple reflectance coatings will be in concave spherical surface metallic-membrane plating reflector
Wall is divided into multiple reflecting regions with meridian direction；Reflecting region corresponds to the light of wave band for the reflectance coating that reflective region is plated
Line.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspect
Possible embodiment, wherein multiple reflectance coatings using the central point of the spherical surface of concave spherical surface metallic-membrane plating reflector as fan-shaped vertex, with
Fan shape is uniformly plated on the inner wall of concave spherical surface metallic-membrane plating reflector, to form reflecting region.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides the third of first aspect
Possible embodiment, wherein the material of reflectance coating has with the characteristic peak of the corresponding wave band of the wanted reflection light in reflecting region
Corresponding relationship.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, wherein the bottom end of concave spherical surface metallic-membrane plating reflector is equipped with revolving-turret；Revolving-turret is used for preset angle
Speed drives concave spherical surface metallic-membrane plating reflector with default rotary shaft rotation, keeps multiple reflectance coatings of concave spherical surface metallic-membrane plating reflector successively anti-
Penetrate the light that reflectance coating corresponds to wave band；Wherein, the axis that rotary shaft is linked to be by the central point of spherical surface and the centre of sphere of spherical surface is preset.
The 4th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 5th kind of first aspect
Possible embodiment, wherein the device further includes processor；Processor is for controlling revolving-turret with default angular speed rotation
Turn, and summarize the spectrum that detector is sequentially received in concave spherical surface metallic-membrane plating reflector rotary course wave band and wavelength it is strong
Degree.
With reference to first aspect, the embodiment of the invention provides the 6th kind of possible embodiments of first aspect, wherein recessed
Spherical surface metallic-membrane plating reflector is placed at the output light aperture of optical absorption chamber.
With reference to first aspect, the embodiment of the invention provides the 7th kind of possible embodiments of first aspect, wherein light
Source lamp is equipped with aperture diaphragm；The target light that aperture diaphragm is used to issue illuminator limits.
With reference to first aspect, the embodiment of the invention provides the 8th kind of possible embodiments of first aspect, wherein visits
Survey device is single point detector.
Second aspect, the embodiment of the present invention also provide a kind of spectral detection system, wherein the system includes first aspect institute
The spectrum detection device stated.
The embodiment of the present invention bring it is following the utility model has the advantages that
This application provides a kind of spectrum detection device and system, which includes illuminator, collimating mirror, optical absorption
Chamber, concave spherical surface metallic-membrane plating reflector, and it is mounted on the detector of the focal point of concave spherical surface metallic-membrane plating reflector；Illuminator is for issuing
Target light；Collimating mirror for injecting target light in optics absorbing cavity in parallel；Optical absorption chamber is used to store under test gas,
Target light is across parallel transmission after under test gas to concave spherical surface metallic-membrane plating reflector；Concave spherical surface metallic-membrane plating reflector is for receiving optics
Absorbing cavity output target light, reflection receivable to target light in preset wave band light；Detector is default for receiving
The light of wave band, and detect the Wavelength strength of the light of default wave band.This light projected through optical absorption chamber only need through
The primary event of concave spherical surface metallic-membrane plating reflector is crossed, detector can be detected the light wave intensity of the light of default wave band, reduce
The loss of light energy improves the efficiency of light energy utilization, and then improves spectral sensitivity to a certain extent.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification and attached drawing
Specifically noted structure is achieved and obtained.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those skilled in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of fiber spectrometer provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of spectrum detection device provided in an embodiment of the present invention；
Fig. 3 is a kind of reflecting region distribution map of concave spherical surface metallic-membrane plating reflector provided in an embodiment of the present invention；
Fig. 4 is a kind of scheme of installation of spectrum detection device provided in an embodiment of the present invention.
Icon: 202- illuminator；204- collimating mirror；206- optical absorption chamber；208- concave spherical surface metallic-membrane plating reflector；210- is visited
Survey device；212- revolving-turret.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those skilled in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, being detected to detect the Wavelength strength of certain wave bands of target light frequently with fiber spectrometer.Quilt
After target light after collimation is via optical absorption chamber, it is launched into inside fiber spectrometer.Above-mentioned target light is in fiber spectrum
Specific light reflected line inside instrument can refer to a kind of schematic diagram of fiber spectrometer shown in FIG. 1.As shown in Figure 1, it passes through
It crosses after the target light that fibre-optical probe receives is conducted to fiber spectrometer, incident ray limits its light passing by entrance slit
Behind aperture, and it is incident on grating by collimating mirror, finally the incident ray after grating beam splitting converges to linear array by condenser
On detector.When above-mentioned target light enters fiber spectrometer by fiber optic conduction, the luminous flux of target light (incident ray)
It is limited by fiber optic aperture and the limitation of entrance slit；In addition, target light passes through collimation again, light splitting, assembles triple reflection,
During reflection, there is loss to a certain extent in the luminous flux of target light, which results in the luminous energy of target light
Utilization rate is lower, and then reduces the spectral sensitivity of system to a certain extent.
Based on this, a kind of spectrum detection device provided in an embodiment of the present invention and system can improve to a certain extent
The efficiency of light energy utilization, and then improve spectral sensitivity.
For convenient for understanding the present embodiment, first to a kind of spectrum detection device disclosed in the embodiment of the present invention into
Row is discussed in detail.
Embodiment one:
The present embodiment provides a kind of spectrum detection devices, with reference to a kind of structural representation of spectrum detection device shown in Fig. 2
Figure, which includes illuminator 202, collimating mirror 204, optical absorption chamber 206, concave spherical surface metallic-membrane plating reflector 208, and is mounted on
The detector 210 of the focal point of concave spherical surface metallic-membrane plating reflector 208；
Illuminator 202 is for issuing target light；Above-mentioned illuminator 202 can provide point light source or area source, the mesh
Mark the light that light can project for point light source or area source；
Collimating mirror 204 for injecting target light in optics absorbing cavity 206 in parallel；Wherein, which can be
The mirror surface that concave mirror or lens etc. can project target light source in parallel；
Optical absorption chamber 206 is for storing under test gas, and target light is across parallel transmission after under test gas to concave spherical surface
Metallic-membrane plating reflector 208；
Object lens and scene can be set in above-mentioned optical absorption chamber 206, by object lens and scene target light has been existed
Multiple reflections are carried out in optical absorption chamber 206, to increase the light path of light as far as possible, finally again by target light parallel transmission to recessed
Spherical surface metallic-membrane plating reflector 208；
Concave spherical surface metallic-membrane plating reflector 208 is used to receive the target light of the output of optical absorption chamber 206, the mesh that reflection receivable arrives
Mark the light that wave band is preset in light；Wherein, above-mentioned concave spherical surface metallic-membrane plating reflector 208 can be full hemisphere or segmented hemisphere；
Above-mentioned default wave band can be the correspondence wave band of desired detection light intensity of wave；
Detector 210 is used to receive the light of default wave band, and detects the Wavelength strength of the light of default wave band.
Spectrum detection device provided by the present application includes illuminator, collimating mirror, optical absorption chamber, concave spherical surface coated reflection
Mirror, and it is mounted on the detector of the focal point of concave spherical surface metallic-membrane plating reflector；Illuminator is for issuing target light；Collimating mirror is used
In target light is injected in parallel in optics absorbing cavity；Optical absorption chamber passes through to be measured for storing under test gas, target light
Parallel transmission is to concave spherical surface metallic-membrane plating reflector after gas；Concave spherical surface metallic-membrane plating reflector is used to receive the target of optical absorption chamber output
Light, reflection receivable to target light in preset wave band light；Detector is used to receive the light of default wave band, and detects
The Wavelength strength of the light of default wave band.This light projected through optical absorption chamber is only needed by concave spherical surface metallic-membrane plating reflector
Primary event, detector can be detected the light wave intensity of the light of default wave band, reduces the loss of light energy, improve
The efficiency of light energy utilization, and then spectral sensitivity is improved to a certain extent.
In order to enable concave spherical surface metallic-membrane plating reflector 208 can carry out multiple light-wave bands of target light to separate reflection,
Expand concave spherical surface metallic-membrane plating reflector 208 can reflecting light light wave range and the scope of application, above-mentioned concave spherical surface metallic-membrane plating reflector
208 inner wall is coated with the reflectance coating of multiple and different materials, and multiple reflectance coatings are by the inner wall of concave spherical surface metallic-membrane plating reflector 208 with meridian
Direction is divided into multiple reflecting regions；Reflecting region corresponds to the light of wave band for the reflectance coating that reflective region is plated.
In order to make it easy to understand, Fig. 3 shows a kind of recessed ball so that concave spherical surface metallic-membrane plating reflector 208 is coated with 6 kinds of reflectance coatings as an example
The reflecting region distribution map of face metallic-membrane plating reflector.Wherein, the reflecting region of the wave band (580nm-595nm) of yellow light is reflected with a mark
Know；The reflecting region for reflecting the wave band (550nm-560nm) of green light is identified with pecked line；Reflect the wave band (400nm- of purple light
Reflecting region 435nm) is with solid line；The reflecting region of the wave band (480nm-490nm) of green light is reflected with Marking the cell；Instead
The reflecting region of the wave band (595nm-605nm) of orange light is penetrated to insert a number mark；Reflect the anti-of the wave band (605nm-615nm) of feux rouges
Region is penetrated to identify with open circles.
During reflectance coating is plated to concave spherical surface metallic-membrane plating reflector 208, multiple reflectance coatings are with concave spherical surface coated reflection
The central point of the spherical surface of mirror 208 is uniformly plated in the inner wall of concave spherical surface metallic-membrane plating reflector 208 with fan shape as fan-shaped vertex
On, to form reflecting region.Determine that the mode of reflecting region ensure that the uniformity of the size of each reflecting region in this way.
It is divided into multiple reflecting regions by meridian direction or in such a way that sector format determines reflecting region, so that user can
With by manually adjust concave spherical surface metallic-membrane plating reflector 208 receive target light position so that target light direct projection to it is expected
The detection to the light wave intensity of the wave band can be realized in the corresponding reflecting region of the wave band of detection.
Since the light that concave spherical surface metallic-membrane plating reflector 208 receives is parallel rays, with meridian direction or sector format point
The reflecting region of cloth can guarantee that reflecting region receives the area maximization of light, and realize the effect that reflection light is most concentrated
Fruit, concave spherical surface metallic-membrane plating reflector 208 concentrate the light of reflection specific band can be in order to the light-intensity test of the detector in later period；This
Outside, such design method, can be before the light wave range and the scope of application of reflecting light expanding concave spherical surface metallic-membrane plating reflector 208
Mentioning property further ensures the convenience of the application of concave spherical surface metallic-membrane plating reflector 208.
It is worth noting that the plated film of above-mentioned multiple reflectance coatings generally will be to be completely covered concave spherical surface metallic-membrane plating reflector 208
For principle, the size of the number of reflectance coating and sector can be according to the light for wanting to reflect on concave spherical surface metallic-membrane plating reflector 208
The wave band quantity of line is set, and the number of usual reflectance coating is equal to the wave band quantity for wanting the light of reflection, the number of reflectance coating
It is equal to the surface area in 208 concave surface of concave spherical surface metallic-membrane plating reflector multiplied by fan-shaped area.
In order to guarantee that reflectance coating can accurately reflect the light that reflection is wanted in corresponding reflecting region, above-mentioned reflectance coating
Material has corresponding relationship with the characteristic peak of the corresponding wave band of the wanted reflection light in reflecting region.
It is controlled and is adjusted for the ease of the position to concave spherical surface metallic-membrane plating reflector 208, the concave spherical surface metallic-membrane plating reflector
208 bottom end is equipped with revolving-turret 212；
Above-mentioned revolving-turret 212 is used to drive concave spherical surface metallic-membrane plating reflector 208 with default rotary shaft rotation with preset angle speed
Turn, making multiple reflectance coatings of concave spherical surface metallic-membrane plating reflector 208, successively reflective film corresponds to the light of wave band；Wherein, rotation is preset
The axis that shaft is linked to be by the central point of spherical surface and the centre of sphere of spherical surface.
In order to guarantee the device can the dynamic rotary process to concave spherical surface metallic-membrane plating reflector 208 carry out control and detector
The data of 210 detection carry out corresponding integration storage, which further includes processor；Processor is for controlling revolving-turret 212
With default angular speed rotation, and summarizes detector 210 and be sequentially received in 208 rotary course of concave spherical surface metallic-membrane plating reflector
Spectrum wave band and Wavelength strength.
On the basis of above-mentioned spectrum detection device, Fig. 4 shows a kind of scheme of installation of spectrum detection device, the light
The object lens of optical absorption chamber 206 of spectrum detection device and the form of field lens are drawn, and the spectrum detection device in the figure further includes rotation
It walks around platform 212.Above-mentioned concave spherical surface metallic-membrane plating reflector 208 is placed at the output light aperture of optical absorption chamber 206.
In order to realize that the light energy of the target light of illuminator injection is more concentrated, above-mentioned illuminator 202 is equipped with aperture light
Door screen；The target light that aperture diaphragm is used to issue illuminator 202 limits, so that target light more optically focused.
Since above-mentioned concave spherical surface metallic-membrane plating reflector 208 is only that reflecting region is corresponding in the light that a certain reflection moment is reflected
The light of wave band, and the case where multiband light line mixes is not present, therefore, above-mentioned detector 210 is single point detector.
Concave spherical surface metallic-membrane plating reflector 208 in above-mentioned rotation successively projects target light with the light of different-waveband, should
Single point detector can obtain the light of single wave band, and then the detection of light wave intensity is carried out to the light of the single wave band.
To sum up, spectrum detection device provided by the present application is in light after the injection of optical absorption chamber, it is only necessary to concave spherical surface plating
The detection to light wave intensity can be realized in the primary event of film reflecting mirror, avoids the waste of light energy, improves spectrum sensitivity
Degree；In addition, the plated film mode of concave spherical surface metallic-membrane plating reflector and using for revolving-turret allow concave spherical surface metallic-membrane plating reflector will
The different-waveband of light is successively reflected respectively, based on the design of this concave spherical surface metallic-membrane plating reflector, so that the present apparatus only needs
The detection to the light wave intensity of multiband light can be realized in one single point detector, has saved the cost of device.
Embodiment two:
On the basis of the above embodiments, the present embodiment also provides a kind of spectral detection system, wherein the system includes real
Apply spectrum detection device described in example one.
Spectral detection system provided in an embodiment of the present invention has identical with spectrum detection device provided by the above embodiment
Technical characteristic reach identical technical effect so also can solve identical technical problem.
The computer program product of spectrum detection device and system provided by the embodiment of the present invention, including store program
The computer readable storage medium of code, the instruction that said program code includes can be used for executing described in previous methods embodiment
Method, specific implementation can be found in embodiment of the method, details are not described herein.
For convenience and simplicity of description, the specific work process of the device and system of foregoing description can refer to aforementioned side
Corresponding process in method embodiment, details are not described herein.
Flow chart and structural block diagram in attached drawing show the method, apparatus and calculating of multiple embodiments according to the present invention
The architecture, function and operation in the cards of machine program product.In this regard, each box in flowchart or block diagram can
To represent a part of a module, section or code, a part of the module, section or code includes one or more
A executable instruction for implementing the specified logical function.It should also be noted that in some implementations as replacements, in box
The function of being marked can also occur in a different order than that indicated in the drawings.For example, two continuous boxes actually may be used
To be basically executed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.It is also noted that
, the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart can be with executing
Defined function or the dedicated hardware based system of movement realize, or can use specialized hardware and computer instruction
Combination is to realize.
In several embodiments provided herein, it should be understood that disclosed device and system, it can be by other
Mode realize.The apparatus embodiments described above are merely exemplary, for example, the division of the unit, only one
Kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some communication interfaces, the INDIRECT COUPLING or logical of device or unit
Letter connection can be electrical property, mechanical or other forms.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
Above embodiments, only a specific embodiment of the invention, to illustrate technical solution of the present invention, rather than to it
Limitation, scope of protection of the present invention is not limited thereto, although the present invention is described in detail referring to the foregoing embodiments,
It should be understood by those skilled in the art that: anyone skilled in the art in the technical scope disclosed by the present invention,
It still can modify to technical solution documented by previous embodiment or can readily occur in variation, or to part
Technical characteristic is equivalently replaced；And these modifications, variation or replacement, it does not separate the essence of the corresponding technical solution this hair
The spirit and scope of bright embodiment technical solution, should be covered by the protection scope of the present invention.Therefore, protection of the invention
Range should be subject to the protection scope in claims.
Claims (10)
1. a kind of spectrum detection device, which is characterized in that described device includes illuminator, collimating mirror, optical absorption chamber, concave spherical surface
Metallic-membrane plating reflector, and it is mounted on the detector of the focal point of the concave spherical surface metallic-membrane plating reflector；
The illuminator is for issuing target light；
The collimating mirror is used to the target light injecting the optical absorption in parallel intracavitary；
The optical absorption chamber is for storing under test gas, and the target light is across parallel transmission after the under test gas to institute
State concave spherical surface metallic-membrane plating reflector；
The concave spherical surface metallic-membrane plating reflector is used to receive the target light of the optical absorption chamber output, what reflection receivable arrived
The light of wave band is preset in the target light；
The detector is used to receive the light of the default wave band, and detects the Wavelength strength of the light of the default wave band.
2. the apparatus according to claim 1, which is characterized in that the inner wall of the concave spherical surface metallic-membrane plating reflector be coated with it is multiple not
The reflectance coating of same material；
The inner wall of the concave spherical surface metallic-membrane plating reflector is divided into multiple reflecting regions with meridian direction by multiple reflectance coatings；
The reflecting region is for reflecting the light that the reflectance coating that the reflecting region is plated corresponds to wave band.
3. the apparatus of claim 2, which is characterized in that multiple reflectance coatings are with the concave spherical surface metallic-membrane plating reflector
Spherical surface central point as fan-shaped vertex, be uniformly plated in fan shape on the inner wall of the concave spherical surface metallic-membrane plating reflector, with
Form the reflecting region.
4. the apparatus of claim 2, which is characterized in that the material of the reflectance coating and the reflecting region want anti-
The characteristic peak for penetrating the correspondence wave band of light has corresponding relationship.
5. the apparatus of claim 2, which is characterized in that the bottom end of the concave spherical surface metallic-membrane plating reflector is equipped with rotation
Turntable；
The revolving-turret is used to drive the concave spherical surface metallic-membrane plating reflector with default rotary shaft rotation with preset angle speed, makes institute
The multiple reflectance coatings for stating concave spherical surface metallic-membrane plating reflector successively reflect the light that the reflectance coating corresponds to wave band；Wherein, described
The axis that default rotary shaft is linked to be by the central point of the spherical surface and the centre of sphere of the spherical surface.
6. device according to claim 5, which is characterized in that described device further includes processor；
The processor is rotated for controlling the revolving-turret with default angular speed, and summarizes the detector described recessed
The wave band and Wavelength strength for the spectrum being sequentially received in spherical surface metallic-membrane plating reflector rotary course.
7. the apparatus according to claim 1, which is characterized in that the concave spherical surface metallic-membrane plating reflector is placed in the optics and inhales
At the output light aperture for receiving chamber.
8. the apparatus according to claim 1, which is characterized in that the illuminator is equipped with aperture diaphragm；
The target light that the aperture diaphragm is used to issue the illuminator limits.
9. the apparatus according to claim 1, which is characterized in that the detector is single point detector.
10. a kind of spectral detection system, which is characterized in that the system comprises any spectral detections of claim 1~9
Device.
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| CN201910410231.2A CN110057452A (en) | 2019-05-16 | 2019-05-16 | Spectrum detection device and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910410231.2A CN110057452A (en) | 2019-05-16 | 2019-05-16 | Spectrum detection device and system |
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| CN110057452A true CN110057452A (en) | 2019-07-26 |
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| CN201910410231.2A Pending CN110057452A (en) | 2019-05-16 | 2019-05-16 | Spectrum detection device and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849829A (en) * | 2019-11-05 | 2020-02-28 | 苏州智曜科技有限公司 | Hyperspectral system for gas concentration detection |
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