CN106679806A - Spectrum detection system and method based on micro spectrometer - Google Patents
Spectrum detection system and method based on micro spectrometer Download PDFInfo
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- CN106679806A CN106679806A CN201710050927.XA CN201710050927A CN106679806A CN 106679806 A CN106679806 A CN 106679806A CN 201710050927 A CN201710050927 A CN 201710050927A CN 106679806 A CN106679806 A CN 106679806A
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- 238000001514 detection method Methods 0.000 title claims abstract description 125
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- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims description 54
- 230000008569 process Effects 0.000 claims description 38
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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
- G01J3/0256—Compact construction
- G01J3/0259—Monolithic
-
- 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
- G01J3/2803—Investigating the spectrum using photoelectric array detector
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- 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
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
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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
- G01J3/2803—Investigating the spectrum using photoelectric array detector
- G01J2003/2813—2D-array
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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
- G01J2003/283—Investigating the spectrum computer-interfaced
- G01J2003/2833—Investigating the spectrum computer-interfaced and memorised spectra collection
Abstract
The invention relates to a spectrum detection system and method based on a micro spectrometer. The system includes the micro spectrometer, a detection server and a mobile terminal; the micro spectrometer is used for collecting and sending two-dimensional image information and two-dimensional spectral information of a to-be-detected object; the detection server is used for receiving the two-dimensional image information and the two-dimensional spectral information, sent by the micro spectrometer, of the to-be-detected object and processing the two-dimensional image information and the two-dimensional spectral information to obtain a detection result of the to-be-detected object; the mobile terminal is used for receiving the detection result of the to-be-detected object, and the detection result is displayed on the mobile terminal. The system and the method can be used for large-area detection of objects. The spectrometer is miniaturized and easy to carry, people can conduct conventional spectrum detection on daily necessities, food and the like in daily life and obtain the detection result, and the system facilitates the life of people.
Description
Technical field
The present invention relates to spectral detection field, more particularly, it relates to a kind of spectral detection system based on micro spectrometer
System and method.
Background technology
In spectral detection field, traditional spectrogrph volume is larger, it has not been convenient to carry, and can only use in fixed place,
And it is used for commercial production and experimental data detection, it is impossible to meet the detection such as the articles for daily use, food in people's daily life.Example
Such as, in living now, food-safety problem is increasingly severe, and the food problems such as pesticide residues are exceeded, stain, preservative are non-
Often universal, people are difficult with the naked eye to distinguish with experience in daily purchasing process.And due to the particularity of spectral detection, lack energy
For the portable spectrometer of daily living article detection.
Traditional spectrogrph can only detect the sample of a small range, namely can only detect the spectral information of a point, this
Detection method is unable to one face of detection object, and this is obviously not suitable for using in daily life.For example, people are in detection Fructus Mali pumilae
During pesticide residues, if a point can only be detected, it is clear that the demand of user can not be met, it should detect a larger face of Fructus Mali pumilae
Product, in addition it is also necessary to position the particular location of pesticide residues.
In addition, current spectrogrph it is also required to provide the spectrum that special illumination can just collect object, it is impossible in nature
The spectral information of object is gathered under light, this makes troubles to used in daily life.
The content of the invention
The technical problem to be solved in the present invention is, big is inconvenient to take for the above-mentioned existing spectrogrph volume of prior art
Band, the little defect of area of detection, there is provided a kind of spectral detection system and method based on micro spectrometer.
The technical solution adopted for the present invention to solve the technical problems is：A kind of spectrum based on micro spectrometer of construction is examined
Examining system, including：
For gathering and sending the micro spectrometer of the two-dimensional image information and two-dimension spectrum information of determinand；
For receiving the two-dimensional image information and two-dimension spectrum information of the determinand that the micro spectrometer sends
Detection service device, two-dimensional image information described in the detection server processes and two-dimension spectrum information obtain the inspection of the determinand
Survey result；
For receiving the mobile terminal of the testing result of the determinand, the testing result shows on the mobile terminal
Show.
Further, the spectral detection system based on micro spectrometer of the present invention, the detection service device include light
Spectrum model layer and spectrum algorithm layer, wherein,
The spectral model layer includes：Model storage unit, model searching unit, Model transfer unit；
The spectrum algorithm layer includes：Top-level module and bottom module, the top-level module include parameter transfer unit and
Algorithm call unit；The bottom module includes pretreatment unit, quantitative analyses unit, qualitative analyses unit；
The detection service device also includes the memorizer for storage program and spectroscopic data.
Further, the spectral detection system based on micro spectrometer of the present invention, the mobile terminal include for
Upload sample spectral data unit, the client for uploading existing spectral model, returning analysis result unit and man-machine interaction.
Further, the spectral detection system based on micro spectrometer of the present invention, the micro spectrometer include：
For receiving the optical signal of the determinand and the two dimensional image letter of the determinand being obtained from the optical signal
The two-dimension spectrum sensor of breath and two-dimension spectrum information；
Be connected with the two-dimension spectrum sensor, for receiving and processing the two-dimensional image information and two-dimension spectrum information
Micro-processor interface circuit, the micro-processor interface circuit sends a control signal to the two-dimension spectrum sensor；
The transport module being connected with the micro-processor interface circuit, the transport module are used for the X-Y scheme for transmitting the determinand
As information and two-dimension spectrum information, or the two-dimensional image information for determinand described in transmission process and two-dimension spectrum information are obtained
Testing result, and for receiving external data.
Further, portable minisize spectrogrph of the present invention, the transport module are wireless transport module or wired
Transport module；
The wireless transport module includes：One or more in WIFI, bluetooth, 2G networks, 3G network, 4G networks；
The wire transmission module is network interface or serial ports.
Further, the spectral detection system based on micro spectrometer of the present invention, also includes：
Be connected with the micro-processor interface circuit, the two dimension of the determinand for storing the two-dimension spectrum sensor acquisition
The inspection that the two-dimensional image information and two-dimension spectrum information of image information and two-dimension spectrum information and the process determinand is obtained
Survey the memory module of result.
Further, the spectral detection system based on micro spectrometer of the present invention, also includes：DDR3 memory modules,
EMMC memory modules, EEPROM memory modules, NOR Flash memory modules, wherein,
The DDR3 memory modules are used to provide spatial cache, and the spatial cache is used to store the two-dimension spectrum sensing
The two-dimensional image information and two-dimension spectrum information of the determinand of device collection；
The EMMC memory modules are for two-dimension spectrum sensor acquisition described in the interim storage when transmission environment is undesirable
The determinand two-dimensional image information and two-dimension spectrum information and process the two-dimensional image information and two of the determinand
The testing result that dimension spectral information is obtained；
The EEPROM memory modules are used for software, the hardware revision information for storing the portable minisize spectrogrph；
The NOR Flash memory modules are used for the bare machine program or system journey for storing the portable minisize spectrogrph
Sequence.
Separately, invention additionally discloses a kind of spectral method of detection based on micro spectrometer, for above-mentioned based on miniature light
The spectral detection system of spectrometer, methods described include：
Micro spectrometer gathers and sends the two-dimensional image information of determinand and two-dimension spectrum information；
Detection service device receives and processes the two-dimensional image information and two-dimension spectrum information, obtains the inspection of the determinand
Result is surveyed, and the testing result is sent to mobile terminal；
The mobile terminal receives the testing result of the determinand, and the testing result shows on the mobile terminal
Show.
Further, the spectral method of detection based on micro spectrometer of the present invention, the micro spectrometer are gathered simultaneously
The two-dimensional image information and two-dimension spectrum information of determinand are sent, including：
The micro spectrometer sends the two-dimensional image information and two-dimentional light of the determinand by wirelessly or non-wirelessly mode
Spectrum information.
Further, the spectral method of detection based on micro spectrometer of the present invention, the detection service device are received simultaneously
The two-dimensional image information and two-dimension spectrum information are processed, including：
The detection service device sets up the X-Y scheme of the determinand by the default spectral detection model of spectral model layer
As information and the process model of two-dimension spectrum information；
The detection service device according to the process model, using spectrum algorithm layer carry out data prediction, quantitative analyses,
Qualitative analyses, parameter transmission, algorithm are called, and obtain the testing result of the determinand.
Implement a kind of spectral detection system and method based on micro spectrometer of the present invention, have the advantages that：
The system includes：For gathering and sending the micro spectrometer of the two-dimensional image information and two-dimension spectrum information of determinand；For
Receive the two-dimensional image information and the detection service device of two-dimension spectrum information of the determinand that the micro spectrometer sends, institute
State two-dimensional image information described in detection server processes and two-dimension spectrum information obtains the testing result of the determinand；For connecing
The mobile terminal of the testing result of the determinand is received, the testing result is shown on the mobile terminal.By implementing this
Invention, large area detection can be carried out to article；And the spectrogrph miniaturization of the present invention, is easy to carry, people can be in daily life
Routine spectra detection is carried out to the articles for daily use, food etc. in work, testing result is obtained, life is convenient for people to.
Description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is a kind of structural representation of the spectral detection system based on micro spectrometer of the present invention；
Fig. 2 is the structural representation of detection service device of the present invention；
Fig. 3 is the structural representation of micro spectrometer of the present invention；
Fig. 4 is spectral method of detection schematic flow sheet of the present invention based on micro spectrometer；
Fig. 5 is spectral method of detection schematic flow sheet of the present invention based on micro spectrometer；
Fig. 6 is spectral method of detection schematic flow sheet of the present invention based on micro spectrometer.
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now compare accompanying drawing and describe in detail
The specific embodiment of the present invention.
Fig. 1 is a kind of structural representation of the spectral detection system based on micro spectrometer of the present invention.
Specifically, should be included based on the spectral detection system of micro spectrometer：Micro spectrometer, detection service device, movement
Terminal, micro spectrometer wirelessly connecting detection server, detection service device wirelessly connect mobile terminal.
Wireless transport module includes but is not limited to WIFI, bluetooth, 2G networks, 3G network, 4G networks etc..
Micro spectrometer is used for the two-dimensional image information and two-dimension spectrum information for gathering and sending determinand；Specifically gathered
Journey is elaborated micro spectrometer part below, and here is not being repeated.
Detection service device is used for the two-dimensional image information and two-dimension spectrum information of the determinand for receiving micro spectrometer transmission,
Detection server processes two-dimensional image information and two-dimension spectrum information obtain the testing result of determinand；Detection service implement body is tied
Structure see below the explanation to detection service device.
Mobile terminal is used for the testing result for receiving determinand, and testing result is shown on mobile terminals.Mobile terminal bag
Include the visitor for uploading sample spectral data unit, upload existing spectral model, return analysis result unit and man-machine interaction
Family end.Mobile terminal is used cooperatively with micro spectrometer, will be explained in working method part.Preferably, mobile terminal includes
But it is not limited to：Smart mobile phone, panel computer, notebook computer etc..
Fig. 2 is the structural representation of detection service device of the present invention.
Specifically, detection service device includes spectral model layer and spectrum algorithm layer, wherein,
Spectral model layer includes：Model storage unit, model searching unit, Model transfer unit；
Spectrum algorithm layer includes：Top-level module and bottom module, top-level module include that parameter transfer unit and algorithm are called
Unit；Bottom module includes pretreatment unit, quantitative analyses unit, qualitative analyses unit；
Detection service device also includes the memorizer for storage program and spectroscopic data.It is to be measured that memory storage is received
The two-dimensional image information and two-dimension spectrum information of the two-dimensional image information and two-dimension spectrum information and process determinand of thing is obtained
Testing result.It is appreciated that above-mentioned spectral model layer and spectrum algorithm layer are also in memorizer.
Detection service device by the default spectral detection model of spectral model layer set up determinand two-dimensional image information and
The process model of two-dimension spectrum information；
Detection service device according to process model, using spectrum algorithm layer carry out data prediction, quantitative analyses, qualitative point
Analysis, parameter transmission, algorithm are called, and obtain the testing result of determinand.
Fig. 3 is the structural representation of micro spectrometer of the present invention.
A kind of portable minisize spectrogrph of the present invention, including：It is micro-processor interface circuit, two-dimension spectrum sensor, memory module, aobvious
Show module, power module, supplementary lighting module, transport module, wherein,
Two-dimension spectrum sensor is used for the optical signal for receiving determinand the two dimensional image that determinand is obtained from optical signal
Information and two-dimension spectrum information, that is, gather the image information of determinand.
Two-dimension spectrum sensor comprising multiple CMOS (Complementary Metal Oxide Semiconductor, mutually
Mend metal-oxide semiconductor (MOS)), each CMOS can gather the two-dimensional image information of determinand and two-dimension spectrum information, multiple
CMOS is arranged in the plane using mosaic array.
Preferably, different determinands has different spectral characteristics, that is, spectral region difference, and different material is not
Same wave band has obvious absworption peak, and the composition of material is judged by the position of absworption peak.The portable minisize light of invention
Spectrometer has bloom spectral property, can test wavelength scope it is very wide, so sample can with it is varied (gourd, fruit and vegetable, water,
Drinks etc.), multiple fields (medical science, biology, chemistry etc.).If micro spectrometer is used in certain specific field, Ke Yigeng
High spectrum image sensor is changed to the wave band being adapted to, more accurately to detect.Preferably, spectrum can be selected as needed
The windowing size of instrument.
For example, in one embodiment, the spectral region that spectrogrph can be gathered is 470nm-1000nm, you can see that light is arrived
Near infrared light.Two-dimension spectrum sensor includes 16-25 wave band, and the spectral bandwidth of each wave band is less than 15nm.Two-dimension spectrum is passed
Sensor also includes photoelectric switching circuit and analog to digital conversion circuit, and the optical signal of the determinand of collection is converted to by photoelectric switching circuit
The signal of telecommunication, analog to digital conversion circuit convert analog signals into digital signal, by the signal transmission after conversion to micro-processor interface circuit.
The image of the bloom spectral property of two-dimension spectrum sensor acquisition has the image information and spectral information of determinand, no
Only be greatly improved in terms of abundant information degree, on treatment technology, such spectroscopic data is carried out it is more reasonable, have
The analyzing and processing of effect is provided may.Its maximum feature is that imaging technique is combined with spectrographic detection technology, in the sky to target
Between characteristic imaging while, tens or even hundreds of narrow-band are formed through dispersion to each space pixel continuous to carry out
Spectrum is covered.Image information can reflect the external sort features such as the size of determinand, shape, defect, due to heterogeneity pair
Spectral absorption is also different, has more significant reflection to certain defect in certain specific wavelength hypograph, and spectral information can fill
Divide physical arrangement, the difference of chemical composition of reflection sample interior.For example, the pesticide residues of food are detected, by detecting, not only
The surface pesticide residues information of determinand can be analyzed by checking spectrum, and pesticide residues region can be positioned, be improved
The experience of user.
Micro-processor interface circuit is connected with two-dimension spectrum sensor, for receiving and processing the two-dimensional image information and two of determinand
Dimension spectral information.Micro-processor interface circuit sends a control signal to two-dimension spectrum sensor, and control two-dimension spectrum sensor acquisition is treated
Survey thing.
Preferably, portable minisize spectrogrph of the invention, the optional ZYNQ-7000 family chips of micro-processor interface circuit can be with
Understand that micro-processor interface circuit also includes the peripheral circuit matched with ZYNQ-7000 family chips.The ZYNQ-7000 family chips are divided into
PL, PS part, wherein PL part is equal to FPGA, core of the PS parts including 2 ARM9.The chip processing capabilities are very powerful,
Processing speed is very rapid.Compared with usual FPGA+ARM frameworks, FPGA drives sensor and sends data to ARM, should
Chip is driven using PL and sends data to PS parts.Because FPGA, ARM are integrated in chip piece and are used by the chip
AXI buses connect, and not only save many spaces, make spectrogrph miniaturization.And be greatly improved between PL and DDR, ARM
Data transmission bauds, provides physical condition for high spectrum image sensor high speed continuous shooting.
Display module is connected with micro-processor interface circuit, for showing the attribute information of determinand, processing the X-Y scheme of determinand
Testing result, information about power testing result collection of illustrative plates and the other systems information obtained as information and two-dimension spectrum information.This
It is bright that testing result is carried out into digitization or graphical treatment, it is shown in graphical form, it is simple and clear, facilitate user to check.
Preferably, display module includes LED display and corresponding display driver circuit.
Memory module is connected with micro-processor interface circuit, for storing the two dimensional image of the determinand of two-dimension spectrum sensor acquisition
Information and two-dimension spectrum information and process testing result that the two-dimensional image information and two-dimension spectrum information of determinand obtain,
System program, software program, the software of spectrogrph, hardware revision information etc..
Specifically, memory module includes：DDR3 memory modules, EMMC memory modules, EEPROM memory modules, NOR
Flash memory modules, wherein,
DDR3 memory modules are used to provide spatial cache, and spatial cache is used to store the to be measured of two-dimension spectrum sensor acquisition
The two-dimensional image information and two-dimension spectrum information of thing.Preferably, DDR3 memory modules can use DDR4 memory modules, selected capacity
For 1GB, it will be understood that the amount of capacity of the DDR3 memory modules can be adjusted as needed.Select jumbo storage mould
Block, can provide substantial amounts of spatial cache for spectrogrph, because the data volume of each frame of high spectrum image is very big, add at a high speed
Continuous shooting so that greatly, DDR3 big memory space provides possibility for the realization of whole system function to data volume.
Determinand of the EMMC memory modules for the interim storage two-dimension spectrum sensor acquisition when transmission environment is undesirable
Two-dimensional image information and two-dimension spectrum information and process the two-dimensional image information and two-dimension spectrum information of determinand and obtain
Testing result；Preferably, the capacity of EMMC memory modules is 4GB, it will be understood that the amount of capacity of the EMMC memory modules can root
It is adjusted according to needs.
EEPROM memory modules are used for software, the hardware revision information for storing portable minisize spectrogrph；
NOR Flash memory modules are used for the bare machine program or system program for storing portable minisize spectrogrph.
Power module is used to power for portable minisize spectrogrph.Power module is battery-powered, and battery can select lithium electricity
Pond, chemical cell etc.；Or power module is powered by USB interface, USB interface external power adapter.The power module is spectrum
The modules of instrument provide the electric energy for needing, including：5V turns 3V modules, 5V and turns 3.3V modules, 5V and turn 1.8V modules, 5V to turn 1V moulds
Block, 5V turn 1.35V modules, 3.3V and turn 2.5V modules, 3.3V to turn 2V modules etc..
Preferably, memory module be also stored with the spectrum samples of common noxious substance or heavy metal, conventional detection article, with
And conventional sense item, such as food, water fruits and vegetables, medicated clothing, toy, furniture etc., by the conventional detection project of these detection articles
Sample store in a storage module, the spectrum of the determinand of collection is compared in detection process by spectrogrph with sample spectrum
It is right, judge in determinand the whether content containing harmful substance and harmful substance.
Preferably, portable minisize spectrogrph of the invention, also includes：
Transport module is connected with micro-processor interface circuit, and transport module is used for the two-dimensional image information for transmitting determinand and two-dimentional light
Testing result that spectrum information or the two-dimensional image information for transmission process determinand and two-dimension spectrum information are obtained, Yi Jiyong
In reception external data.Preferably, spectrogrph is by the externally connected processing terminal of transport module, external treatment terminal include but
It is not limited to mobile terminal, PC, high in the clouds etc..Two-dimension spectrum sensor obtains the two-dimensional image information and two-dimension spectrum letter of determinand
After breath, micro-processor interface circuit is not processed, but just the two-dimensional image information of determinand and two-dimension spectrum information transfer are to shifting
Dynamic terminal, PC, high in the clouds etc., ppu are provided with for processing the two-dimensional image information and two-dimension spectrum information of determinand
Program and computation model.Ppu processes the two-dimensional image information and two-dimension spectrum letter of determinand according to pre-set programs
The testing result that breath is obtained, spectrogrph receive testing result and show.For example, APP (application program) is installed on smart mobile phone, or
High in the clouds set up applications, smart mobile phone or high in the clouds process the two-dimensional image information and two of determinand according to default computation model
The testing result that dimension spectral information is obtained, will be transmitted to spectrogrph by transport module, be shown on spectrogrph.
Preferably, spectrogrph needs to be matched (register) with external treatment terminal in advance in use, has matched
Cheng Hou, spectrogrph or external treatment terminal record unpaired message.When needing to detect article, search can automatically for the spectrogrph of unlatching
The external treatment terminal of connection, and be attached with the external treatment terminal matched.
For example, the micro spectrometer can be used cooperatively with smart mobile phone, and micro spectrometer is connected to by bluetooth or WIFI
Smart mobile phone, and by the two-dimensional image information of determinand and two-dimension spectrum information transfer to smart mobile phone, install on smart mobile phone
There is the two-dimensional image information and two-dimension spectrum information that the APP (application program) for test, APP process determinand to obtain detection knot
Really.Testing result is back to by micro spectrometer by bluetooth or WIFI, and is shown on the display module of micro spectrometer.
Preferably, transport module is wireless transport module or wire transmission module, wherein,
Wireless transport module includes but is not limited to WIFI, bluetooth, 2G networks, 3G network, 4G networks etc.；Preferably, spectrum
Instrument also includes network detection module, and network detection module detects ambient network environment, when there is WIFI, preferential attachment WIFI, and section
Save customer flow.Or network detection module detection ambient network environment, the network for selecting transfer rate maximum, to complete number as early as possible
According to transmission.
Wire transmission module is network interface or serial ports.For example, spectrogrph is connected to PC by network interface or serial ports.
Supplementary lighting module is connected with micro-processor interface circuit, for the two-dimensional image information for two-dimension spectrum sensor acquisition determinand
Light is provided with two-dimension spectrum information, supplementary lighting module switchs light compensating lamp according to the control signal that micro-processor interface circuit sends.Spectrum
Instrument can select to open supplementary lighting module in the case where light condition is bad, provide substantial light photograph for determinand.There are the feelings of light source
Under condition, no matter the spectrogrph use range more extensive fine day rainy day, indoor and outdoor can use.Preferably, supplementary lighting module
Light filling is carried out from LED.
Preferably, spectrogrph is provided with for controlling the physical switch that supplementary lighting module is switched, and for switching spectrogrph
Physical switch.
Preferably, spectrogrph also includes luminance detection device, and luminance detection device is connected with micro-processor interface circuit, for passing through
Luminance detection device obtains the brightness of determinand, and judges whether the brightness of determinand reaches the brightness requirement of spectrogrph.If
The brightness of determinand is not reaching to the brightness requirement of spectrogrph, and micro-processor interface circuit opens supplementary lighting module to luminance detection device simultaneously,
And light filling amount is controlled as needed.
Preferably, light filling amount determines light filling intensity and time to supplementary lighting module as needed.
By the high performance processor of above-mentioned selection and storage device, spectrogrph is made to can reach less size.It is preferred that
Ground, spectrogrph are in cube structure, and long span is 7cm-11cm, and wide span is 4cm-8cm, high value model
Enclose for 4cm-8cm, such as long * width * is a height of：9cm*6cm*6cm.Dimensions above is the decision design of the present invention, illustrates this application for issue
Bright spectrogrph volume hands over less, is easy to carry, does not do concrete restriction to the profile and size of spectrogrph.
Fig. 4-6 is different operating mode flow chart.
Spectral detection system based on micro spectrometer described above has following several different working methods, below
Specific workflow introduction is done respectively, and user can be selected as needed.
Fig. 4 is a kind of spectral method of detection schematic flow sheet based on micro spectrometer of the present invention.
The method is comprised the following steps for the spectral detection system based on micro spectrometer, method：
Micro spectrometer gathers and sends the two-dimensional image information of determinand and two-dimension spectrum information.Preferably, miniature light
Spectrometer sends the two-dimensional image information and two-dimension spectrum information of determinand by wirelessly or non-wirelessly mode.Spectrogrph passes through wireless parties
Formula sends data to detection service device, for example, be connected to detection service device by WIFI；In addition, as a kind of embodiment, can
The spectrogrph is connected to into PC by wired modes such as netting twines or serial ports, the data of spectrometer collection are sent to PC by netting twine
Machine.
Detection service device (high in the clouds) receives and processes two-dimensional image information and two-dimension spectrum information, obtains the detection of determinand
As a result, and by testing result send to mobile terminal.Specifically, default spectral detection of the detection service device by spectral model layer
Model sets up the process model of the two-dimensional image information of determinand and two-dimension spectrum information；
Detection service device according to process model, using spectrum algorithm layer carry out data prediction, quantitative analyses, qualitative point
Analysis, parameter transmission, algorithm are called, and obtain the testing result of determinand.
Mobile terminal wirelessly receives the testing result of determinand, and testing result is shown on mobile terminals.
Preferably, in detection process, it is to reduce error, repeated detection can be carried out by the way of multiple repairing weld, be obtained
Meansigma methodss.
Using the working method, ripe network technology and people's day conventional mobile terminal is combined, fully
Using the powerful Data Analysis Services ability of detection service device (high in the clouds), detection server processes two-dimensional image information and two-dimentional light
Spectrum information, obtains testing result.The requirement to spectrogrph data-handling capacity is this reduces, spectrogrph only needs gathered data,
And do preliminary treatment.So as to reduce the hardware configuration of spectrogrph, while reducing volume, reduces cost, reducing power consumption.Separately
Outward, testing result is sent to mobile terminal and is shown, for example smart mobile phone, facilitate user to check testing result.
Fig. 5 is a kind of spectral method of detection schematic flow sheet based on micro spectrometer of the present invention；
The workflow of the mode of operation is：
Using switch open spectrogrph, spectrogrph initialization system；
By two-dimension spectrum sensor alignment determinand, the two-dimensional image information and two-dimension spectrum information of determinand are obtained, and
By two-dimensional image information and two-dimension spectrum information transfer to micro-processor interface circuit；Specifically, spectrogrph using infrared spectrum principle and
Raman spectrum principle carries out lossless spectrum sample；
Optionally, when extraneous light is bad, opening supplementary lighting module carries out light filling；The brightness of light compensating lamp is adjusted as needed
With the light filling time.
Two-dimensional image information and two-dimension spectrum information Store to memory module, and are processed by micro-processor interface circuit, are obtained
Testing result；
Testing result is shown on display module, completes to detect by micro-processor interface circuit.
In the spectrogrph course of work, power module is powered for whole spectrogrph.
Preferably, in detection process, it is to reduce error, repeated detection can be carried out by the way of multiple repairing weld, be obtained
Meansigma methodss.
Using the working method, the collection and process of data have spectrogrph to complete, and this is accomplished by the microprocessor of spectrogrph
Circuit has stronger data-handling capacity, can process two-dimensional image information and two-dimension spectrum information, and obtain testing result.
It is not need other external devices using the benefit of the embodiment, single spectrogrph can complete spectral detection.
Fig. 6 is spectral method of detection schematic flow sheet of the present invention based on micro spectrometer.
The workflow of the mode of operation is：
Using switch open spectrogrph, spectrogrph initialization system；
By two-dimension spectrum sensor alignment determinand, the two-dimensional image information and two-dimension spectrum information of determinand are obtained, and
By two-dimensional image information and two-dimension spectrum information transfer to micro-processor interface circuit；Specifically, spectrogrph using infrared spectrum principle and
Raman spectrum principle carries out lossless spectrum sample；
Optionally, when extraneous light is bad, opening supplementary lighting module carries out light filling；The brightness of light compensating lamp is adjusted as needed
With the light filling time.
By spreading out of module by the two-dimensional image information of determinand and two-dimension spectrum information transfer to external treatment terminal, outward
Portion's processing terminal includes but is not limited to mobile terminal, PC etc..For example, spectrogrph passes through bluetooth connection to mobile terminal, such as intelligence
Energy mobile phone, and two-dimensional image information and two-dimension spectrum information transfer are provided with smart mobile phone for processing to smart mobile phone
The APP (application software) of data, in APP, preset data processes model, preset algorithm and sample data, and APP is according to present count
Two-dimensional image information and two-dimension spectrum information are processed according to process model and preset algorithm, and is compared with sample data, obtained
Testing result.Preferably, mobile terminal is included for uploading sample spectral data unit, uploading existing spectral model, return and divide
Analysis result unit and the client of man-machine interaction.
The two-dimensional image information and two-dimension spectrum information of external treatment terminal processes determinand, obtains testing result；
Testing result is received by transport module, and is shown on display module；Or directly manage aobvious in terminal in the outside
Show testing result；Or testing result is formed beyond the clouds, testing result is sent to mobile terminal, is shown on mobile terminals.
Preferably, in detection process, it is to reduce error, repeated detection can be carried out by the way of multiple repairing weld, be obtained
Meansigma methodss.
Above working method can need be selected according to user, or be selected according to the size of data volume.For example,
If data volume is excessive, process slow on spectrogrph, now should quickly be processed using high in the clouds high-performance computer, be returned
Return testing result.
By implementing the present invention, large area detection can be carried out to article；And the spectrogrph miniaturization of the present invention, is easy to take
Band, people can carry out routine spectra detection to the articles for daily use, food etc. in daily life, obtain testing result, are convenient for people to
Life.
Above example technology design only to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implement accordingly, can not limit the scope of the invention.It is all to want with right of the present invention
The impartial change done by scope and modification are asked, the covering scope of the claims in the present invention all should be belonged to.
Claims (10)
1. a kind of spectral detection system based on micro spectrometer, it is characterised in that include：
For gathering and sending the micro spectrometer of the two-dimensional image information and two-dimension spectrum information of determinand；
For receiving two-dimensional image information and the detection of two-dimension spectrum information of the determinand that the micro spectrometer sends
Server, two-dimensional image information described in the detection server processes and two-dimension spectrum information obtain the detection knot of the determinand
Really；
For receiving the mobile terminal of the testing result of the determinand, the testing result is shown on the mobile terminal.
2. the spectral detection system based on micro spectrometer according to claim 1, it is characterised in that the detection service
Device includes spectral model layer and spectrum algorithm layer, wherein,
The spectral model layer includes：Model storage unit, model searching unit, Model transfer unit；
The spectrum algorithm layer includes：Top-level module and bottom module, the top-level module include parameter transfer unit and algorithm
Call unit；The bottom module includes pretreatment unit, quantitative analyses unit, qualitative analyses unit；
The detection service device also includes the memorizer for storage program and spectroscopic data.
3. the spectral detection system based on micro spectrometer according to claim 1, it is characterised in that the mobile terminal
Spectral model, return analysis result unit and man-machine interaction are had including for uploading sample spectral data unit, uploading
Client.
4. according to the arbitrary described spectral detection system based on micro spectrometer of claim 1-3, it is characterised in that described micro-
Type spectrogrph includes：
For receive the optical signal of the determinand and obtain from the optical signal determinand two-dimensional image information and
The two-dimension spectrum sensor of two-dimension spectrum information；
Be connected with the two-dimension spectrum sensor, for receiving and processing the micro- of the two-dimensional image information and two-dimension spectrum information
Process circuit, the micro-processor interface circuit send a control signal to the two-dimension spectrum sensor；
The transport module being connected with the micro-processor interface circuit, the transport module are used for the two dimensional image letter for transmitting the determinand
Breath and two-dimension spectrum information, or the inspection that the two-dimensional image information for determinand described in transmission process and two-dimension spectrum information are obtained
Result is surveyed, and for receiving external data.
5. portable minisize spectrogrph according to claim 4, it is characterised in that the transport module is to be wirelessly transferred mould
Block or wire transmission module；
The wireless transport module includes：One or more in WIFI, bluetooth, 2G networks, 3G network, 4G networks；
The wire transmission module is network interface or serial ports.
6. the spectral detection system based on micro spectrometer according to claim 4, it is characterised in that also include：
Be connected with the micro-processor interface circuit, the two dimensional image of the determinand for storing the two-dimension spectrum sensor acquisition
The detection knot that the two-dimensional image information and two-dimension spectrum information of information and two-dimension spectrum information and the process determinand is obtained
The memory module of fruit.
7. the spectral detection system based on micro spectrometer according to claim 6, it is characterised in that also include：DDR3
Memory module, EMMC memory modules, EEPROM memory modules, NOR Flash memory modules, wherein,
The DDR3 memory modules are used to provide spatial cache, and the spatial cache is adopted for storing the two-dimension spectrum sensor
The two-dimensional image information and two-dimension spectrum information of the determinand of collection；
Institute of the EMMC memory modules for two-dimension spectrum sensor acquisition described in the interim storage when transmission environment is undesirable
The two-dimensional image information and two-dimension spectrum information of stating determinand and the two-dimensional image information for processing the determinand and two-dimentional light
The testing result that spectrum information is obtained；
The EEPROM memory modules are used for software, the hardware revision information for storing the portable minisize spectrogrph；
The NOR Flash memory modules are used for the bare machine program or system program for storing the portable minisize spectrogrph.
8. a kind of spectral method of detection based on micro spectrometer, it is characterised in that for the arbitrary described base of claim 1-7
In the spectral detection system of micro spectrometer, methods described includes：
Micro spectrometer gathers and sends the two-dimensional image information of determinand and two-dimension spectrum information；
Detection service device receives and processes the two-dimensional image information and two-dimension spectrum information, obtains the detection knot of the determinand
Really, and by the testing result send to mobile terminal；
The mobile terminal receives the testing result of the determinand, and the testing result is shown on the mobile terminal.
9. the spectral method of detection based on micro spectrometer according to claim 8, it is characterised in that the micro spectral
Instrument gathers and sends the two-dimensional image information of determinand and two-dimension spectrum information, including：
The micro spectrometer sends the two-dimensional image information and two-dimension spectrum letter of the determinand by wirelessly or non-wirelessly mode
Breath.
10. the spectral method of detection based on micro spectrometer according to claim 8, it is characterised in that the detection clothes
Business device receives and processes the two-dimensional image information and two-dimension spectrum information, including：
The detection service device sets up the two dimensional image letter of the determinand by the default spectral detection model of spectral model layer
The process model of breath and two-dimension spectrum information；
The detection service device carries out data prediction, quantitative analyses, qualitative using spectrum algorithm layer according to the process model
Analysis, parameter transmission, algorithm are called, and obtain the testing result of the determinand.
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