CN106679805A - Portable miniature spectrograph - Google Patents
Portable miniature spectrograph Download PDFInfo
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- CN106679805A CN106679805A CN201710044512.1A CN201710044512A CN106679805A CN 106679805 A CN106679805 A CN 106679805A CN 201710044512 A CN201710044512 A CN 201710044512A CN 106679805 A CN106679805 A CN 106679805A
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- 238000001228 spectrum Methods 0.000 claims abstract description 128
- 230000003287 optical effect Effects 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 23
- 230000003595 spectral effect Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 abstract description 34
- 235000013305 food Nutrition 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 4
- 238000003384 imaging method Methods 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 239000000447 pesticide residue Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000001237 Raman spectrum Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 101100498818 Arabidopsis thaliana DDR4 gene Proteins 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
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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
-
- 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
-
- 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
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- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Theoretical Computer Science (AREA)
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- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
The invention relates to a portable miniature spectrograph. The portable miniature spectrograph comprises a two-dimensional spectrum sensor, a sensor board, an interface board, a core board, a connecting flexible board and a housing, wherein the two-dimensional spectrum sensor is used for receiving an optical signal of a to-be-detected object and acquiring two-dimensional image information and two-dimensional spectrum information of the to-be-detected object from the optical signal. The two-dimensional spectrum sensor is mounted on the sensor board. The sensor board is in communication connection with the interface board through the connecting flexible board so that the sensor board is overturned relative to the interface board. The interface board is in communication connection with the core board through a socket. Furthermore the interface board and the core board are overlapped and fixed. The core board is used for transmitting a control instruction and processing the two-dimensional image information and the two-dimensional spectrum information. The portable miniature spectrograph can perform large-area detection on the object. Furthermore the spectrograph realizes small size and high convenience in carrying. A person can perform routine spectrum detection on objects such as daily objects and food in daily life for obtaining a detecting result, thereby facilitating people's life.
Description
Technical field
The present invention relates to spectral detection field, more particularly, it relates to a kind of portable minisize spectrogrph.
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 in people's daily life the detection such as the articles for daily use, food.Example
Such as, in life 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 special illumination can just collect the spectrum of 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
A kind of little defect of band, area of detection, there is provided portable minisize spectrogrph.
The technical solution adopted for the present invention to solve the technical problems is：A kind of portable minisize spectrogrph is constructed, including：
Two-dimension spectrum sensor, sensor board, interface board, core board, connection soft board, housing, wherein,
The two-dimension spectrum sensor is used to receive the optical signal of determinand and obtain from the optical signal described to be measured
The two-dimensional image information and two-dimension spectrum information of thing, the two-dimension spectrum sensor is arranged on the sensor board；
The sensor board communicates to connect the interface board by the connection soft board, makes the sensor board relative to institute
State interface board to be overturn；
The interface board and core board are communicated to connect by interface, and the interface board and core board superposition are fixed, institute
Core board is stated for sending control instruction and processing the two-dimensional image information and two-dimension spectrum information；
The sensor board, the interface board and the core board are installed on the housing.
Preferably, portable minisize spectrogrph of the present invention, is provided with for transmitting described treating on the interface board
The two-dimensional image information and two-dimension spectrum information of surveying thing, the two-dimensional image information and two-dimension spectrum information that transmit the determinand are obtained
The testing result for arriving and the transport module for receiving external data.
Preferably, portable minisize spectrogrph of the present invention, the transport module is wireless transport module and/or has
Line transport module；
The wireless transport module includes：WIFI module, bluetooth module, 2G mixed-media network modules mixed-medias, 3G network module, 4G network moulds
One or more in block；
The wire transmission module includes：One or more at least one network interface, USB interface and serial ports.
Preferably, portable minisize spectrogrph of the present invention, is provided with the core board and refers to for sending control
Make and process the micro-processor interface circuit of the two-dimensional image information and two-dimension spectrum information.
Preferably, portable minisize spectrogrph of the present invention, the micro-processor interface circuit is ZYNQ-7000 chips；
The two-dimension spectrum sensor includes multiple cmos cell modules, and each cmos cell module is used to gather described
The two-dimensional image information and two-dimension spectrum information of determinand, the plurality of cmos cell module is arranged in flat using mosaic array
On face.
Preferably, portable minisize spectrogrph of the present invention, the core board is also equipped with and microprocessor electricity
The memory module of road connection, the memory module is used for 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 result；
The memory module includes：DDR3 memory modules, EMMC memory modules, EEPROM memory modules, NOR Flash are deposited
Storage module, 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 used for the two-dimension spectrum sensor acquisition described in 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 to store software, the hardware revision information of the portable minisize spectrogrph；
The NOR Flash memory modules are used to store the bare machine program or system journey of the portable minisize spectrogrph
Sequence.
Preferably, portable minisize spectrogrph of the present invention, also includes：
Be connected with the interface board, display screen for showing spectral information, the display screen is arranged on the housing
Outside.
Preferably, portable minisize spectrogrph of the present invention, also includes：For for the portable minisize spectrogrph
The power module of power supply；
The power module is battery-powered, or the power module is powered by USB interface.
Preferably, portable minisize spectrogrph of the present invention, also includes：
Be connected with the micro-processor interface circuit, for the two dimensional image of the determinand described in the two-dimension spectrum sensor acquisition
Information and two-dimension spectrum information provide the supplementary lighting module of light, the control that the supplementary lighting module sends according to the micro-processor interface circuit
Signaling switch light compensating lamp；
The light compensating lamp is arranged on the homonymy of the housing with the two-dimension spectrum sensor.
Preferably, portable minisize spectrogrph of the present invention, is also included for controlling the portable minisize spectrum
The first switch of instrument switch, for controlling the second switch of the light filling lamp switch, the first switch and second switch are installed
In the hull outside.
Implement a kind of portable minisize spectrogrph of the present invention, have the advantages that：The portable minisize spectrogrph
Including：Two-dimension spectrum sensor, sensor board, interface board, core board, connection soft board, housing, wherein, the two-dimension spectrum is passed
Sensor is used to receiving the optical signal of determinand and obtains from the optical signal two-dimensional image information and two dimension of the determinand
Spectral information, the two-dimension spectrum sensor is arranged on the sensor board；The sensor board is by the connection soft board
The interface board is communicated to connect, the sensor board is overturn relative to the interface board；The interface board and core board
By interface communicate to connect, and the interface board and core board superposition fix, the core board be used for send control instruction and
Process the two-dimensional image information and two-dimension spectrum information；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 carry, and people can carry out routine spectra to the articles for daily use, food etc. in daily life
Detection, obtains testing result, is convenient for people to life.
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 portable minisize spectrogrph circuit board mounting structure figure of the invention；
Fig. 2 is a kind of structural representation of portable minisize spectrogrph of the invention.
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 portable minisize spectrogrph circuit board mounting structure figure of the invention.
Specifically, the portable minisize spectrogrph includes：Two-dimension spectrum sensor, sensor board, interface board, core board,
Connection soft board, display screen, power module, housing, wherein,
Two-dimension spectrum sensor be used for receive determinand optical signal and from optical signal obtain determinand two dimensional image
Information and two-dimension spectrum information, two-dimension spectrum sensor is arranged on sensor board；
Sensor board is used between sensor board and interface board by connecting soft board communication connection interface plate, connection soft board
Communication, by the information transfer of two-dimension spectrum sensor acquisition to interface board.Multi-angle bending can be carried out because connecting soft board, sensing is made
Device plate is overturn relative to interface board.For example, sensor board is installed relative to interface board into approximate right angle, so can be reduced
The volume of spectrogrph.Preferably, connecting soft board two ends is detachably arranged on sensor board and interface board, this design
Facilitate I＆M.
Interface board and core board are communicated to connect by interface, and interface board and core board superposition are fixed, and core board is used for
Send control instruction and process two-dimensional image information and two-dimension spectrum information.Interface can be attached using PIN needle formula interface,
Core board is detachably arranged on interface board by interface, and is powered by interface and transmission data.
Power module is used to be powered for portable minisize spectrogrph；Power module is battery-powered, or power module is by USB
Interface is powered.Power module is connected respectively with interface board and core board, provides suitably for each several part on interface board and core board
Voltage.
Display screen is connected with interface board, and for showing spectral information, display screen is arranged on the outside of housing.Preferably, show
Display screen is LED display.
Sensor plate, interface board and core board are provided with installing hole, and sensor board, interface board and core board are by peace
Dress hole is fixed on housing.
Preferably, portable minisize spectrogrph of the invention, is provided with the X-Y scheme for transmitting determinand on interface board
The testing result that obtains as information and two-dimension spectrum information, the two-dimensional image information of transmission determinand and two-dimension spectrum information, with
And the transport module of reception external data.
Preferably, portable minisize spectrogrph of the invention, transport module is wireless transport module and/or wire transmission mould
Block；
Wireless transport module includes：In WIFI module, bluetooth module, 2G mixed-media network modules mixed-medias, 3G network module, 4G mixed-media network modules mixed-medias
One or more；It should be understood that different wireless transport modules corresponds to different antennas, antenna is used to send and receive letter
Number.
Wire transmission module includes：One or more at least one network interface, USB interface and serial ports.Preferably,
USB interface is USB-C interfaces.
Preferably, portable minisize spectrogrph of the invention, is provided with for sending control instruction and process on core board
The micro-processor interface circuit of two-dimensional image information and two-dimension spectrum information.
Preferably, portable minisize spectrogrph of the invention, micro-processor interface circuit is ZYNQ-7000 chips；
Two-dimension spectrum sensor includes multiple cmos cell modules, and each cmos cell module is used to gather determinand
Two-dimensional image information and two-dimension spectrum information, multiple cmos cell modules are arranged in the plane using mosaic array.
Preferably, portable minisize spectrogrph of the invention, core board is also equipped with the storage being connected with micro-processor interface circuit
Module, memory module be used for store two-dimension spectrum sensor acquisition determinand two-dimensional image information and two-dimension spectrum information,
And the testing result that the two-dimensional image information and two-dimension spectrum information of process determinand is obtained；
Memory module includes：DDR3 memory modules, EMMC memory modules, EEPROM memory modules, NOR Flash storage moulds
Block, 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；
EMMC memory modules are used for the determinand of 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；
EEPROM memory modules are used to store software, the hardware revision information of portable minisize spectrogrph；
NOR Flash memory modules are used to store the bare machine program or system program of portable minisize spectrogrph.
Preferably, above-mentioned micro-processor interface circuit, memory module and other peripheral circuits all use surface-mounted device, with as far as possible
Reduce device size, so as to reduce the size of spectrogrph.
Preferably, portable minisize spectrogrph of the invention, also includes：
Be connected with interface board, the display screen for showing spectral information, display screen be arranged on housing outside.
Preferably, portable minisize spectrogrph of the invention, also includes：For the electricity powered for portable minisize spectrogrph
Source module；
Power module is battery-powered, or power module is powered by USB interface.
Preferably, portable minisize spectrogrph of the invention, also includes：
Be connected with micro-processor interface circuit, for for the two-dimensional image information of two-dimension spectrum sensor acquisition determinand and two-dimentional light
Spectrum information provides the supplementary lighting module of light, and supplementary lighting module switchs light compensating lamp according to the control signal that micro-processor interface circuit sends；
Light compensating lamp is arranged on the homonymy of housing with two-dimension spectrum sensor.
Preferably, portable minisize spectrogrph of the invention, is also included for controlling portable minisize spectrogrph switch
First switch, for controlling the second switch of light filling lamp switch, first switch and second switch are arranged on hull outside.
Fig. 2 is a kind of structural representation of portable minisize spectrogrph of the invention.
A kind of Portable two-dimensional of the present invention is imaged micro spectrometer, including：Micro-processor interface circuit, two-dimension spectrum sensor, deposit
Storage module, display module, power module, supplementary lighting module, transport module, wherein,
Two-dimension spectrum sensor be used for receive determinand optical signal and from optical signal obtain determinand two dimensional image
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)) unit module, each cmos cell module can gather the two-dimensional image information and two of determinand
Dimension spectral information, multiple cmos cell modules are arranged in the plane using mosaic array.
Preferably, Portable two-dimensional of the invention imaging micro spectrometer has bloom spectral property, the spectrum that can be gathered
Scope is 470nm-1000nm, you can see light near infrared light.Two-dimension spectrum sensor includes 16-25 wave band, each wave band
Spectral bandwidth be less than 15nm.Two-dimension spectrum sensor also includes photoelectric switching circuit and analog to digital conversion circuit, opto-electronic conversion electricity
The optical signal of the determinand of collection is converted to the signal of telecommunication by road, and analog to digital conversion circuit converts analog signals into digital signal, will
Signal transmission after conversion is 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 to be combined imaging technique 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 feature such as size, shape, defect of determinand, due to heterogeneity pair
Spectral absorption is also different, and more significant reflection is had 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 processes 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 two-dimensional of the invention imaging micro spectrometer, the optional ZYNQ-7000 series core of micro-processor interface circuit
Piece, it is possible to understand that micro-processor interface circuit also includes the peripheral circuit matched with ZYNQ-7000 family chips.The ZYNQ-7000 is serial
Chip is divided into PL, PS part, and wherein PL parts are equal to FPGA, and PS parts include the core of 2 ARM9.The chip processing capabilities ten
Divide powerful, processing speed is very rapid.Compared with usual FPGA+ARM frameworks, FPGA drives sensor and sends data to
ARM, the chip drives and sends data to PS parts using PL.Because the chip is integrated into FPGA, ARM in chip piece
And connected using AXI buses, many spaces are not only saved, make spectrogrph miniaturization.And be greatly improved PL and DDR,
Data transmission bauds between ARM, for high spectrum image sensor high speed continuous shooting physical condition is provided.
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 to data volume for the realization of whole system function.
EMMC memory modules are used for the determinand of 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 to store software, hardware revision information that Portable two-dimensional is imaged micro spectrometer；
NOR Flash memory modules are used to store the bare machine program or system journey of Portable two-dimensional imaging micro spectrometer
Sequence.
Power module is used to be powered for Portable two-dimensional imaging micro spectrometer.Power module is battery-powered, and battery can
From lithium battery, chemical cell etc.；Or power module is powered by USB interface, USB interface external power adapter.The power supply mould
Block provides the electric energy for needing for the modules of spectrogrph, including：5V turn 3V modules, 5V turn 3.3V modules, 5V turn 1.8V modules,
5V turns 1V modules, 5V and turns 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, spectrogrph is compared the spectrum of the determinand of collection with sample spectrum in detection process
It is right, judge in determinand the whether content containing harmful substance and harmful substance.
Preferably, Portable two-dimensional of the invention imaging micro spectrometer, also includes：
Transport module is connected with micro-processor interface circuit, and transport module is used to transmit the two-dimensional image information of determinand and two-dimentional light
Testing result, Yi Jiyong that spectrum information or the two-dimensional image information for transmission process determinand and two-dimension spectrum information are obtained
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 is provided with the two-dimensional image information for processing determinand and two-dimension spectrum information
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 receives testing result and shows.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 (registration) 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, automatically search can 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 for the two-dimensional image information of 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 for determinand and shine.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 the physical switch for controlling supplementary lighting module switch, and for switching spectrogrph
Physical switch.For example, including for controlling the first switch that portable minisize spectrogrph is switched, for controlling light filling lamp switch
Second switch, first switch and second switch are arranged on hull outside.
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 simultaneously micro-processor interface circuit opens supplementary lighting module to luminance detection device,
And as needed control light filling amount.
Preferably, as needed light filling amount determines the light filling time to supplementary lighting module.
By the high performance processor of above-mentioned selection and storage device, spectrogrph is set to can reach less size.It is preferred that
Ground, spectrogrph is 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, and does not do concrete restriction to the profile and size of spectrogrph.
Portable spectrometer described above has several different working methods, and specific workflow Jie is separately below
Continue, user can be selected as needed.
The workflow of the first 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.
Micro-processor interface circuit to memory module, and is processed two-dimensional image information and two-dimension spectrum information Store, is obtained
Testing result；
Testing result is shown, completes to detect by micro-processor interface circuit on display module.
In the spectrogrph course of work, power module is powered for whole spectrogrph.
Preferably, it is to reduce error in detection process, repeated detection can be carried out by the way of multiple repairing weld, obtains
Meansigma methodss.
The workflow of the second 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, high in the clouds etc..
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, and testing result is sent to mobile terminal, show on mobile terminals.
Preferably, it is to reduce error in detection process, repeated detection can be carried out by the way of multiple repairing weld, obtains
Meansigma methodss.
Can being needed according to user of above working method be selected, 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, return
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, be 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 that scope is done 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 portable minisize spectrogrph, it is characterised in that include：Two-dimension spectrum sensor, sensor board, interface board, core
Core, connection soft board, housing, wherein,
The two-dimension spectrum sensor is used to receive the optical signal of determinand and the determinand is obtained from the optical signal
Two-dimensional image information and two-dimension spectrum information, the two-dimension spectrum sensor is arranged on the sensor board；
The sensor board communicates to connect the interface board by the connection soft board, the sensor board is connect relative to described
Oralia is overturn；
The interface board and core board are communicated to connect by interface, and the interface board and core board superposition are fixed, the core
Core is used to send control instruction and the process two-dimensional image information and two-dimension spectrum information；
The sensor board, the interface board and the core board are installed on the housing.
2. portable minisize spectrogrph according to claim 1, it is characterised in that be provided with the interface board for passing
The two-dimensional image information and two-dimension spectrum information of the defeated determinand, the two-dimensional image information for transmitting the determinand and two-dimentional light
Testing result and the transport module of reception external data that spectrum information is obtained.
3. portable minisize spectrogrph according to claim 2, it is characterised in that the transport module is to be wirelessly transferred mould
Block and/or wire transmission module；
The wireless transport module includes：In WIFI module, bluetooth module, 2G mixed-media network modules mixed-medias, 3G network module, 4G mixed-media network modules mixed-medias
One or more；
The wire transmission module includes：One or more at least one network interface, USB interface and serial ports.
4. portable minisize spectrogrph according to claim 1, it is characterised in that be provided with the core board for sending out
Go out control instruction and process the micro-processor interface circuit of the two-dimensional image information and two-dimension spectrum information.
5. portable minisize spectrogrph according to claim 4, it is characterised in that the micro-processor interface circuit is ZYNQ-
7000 chips；
The two-dimension spectrum sensor includes multiple cmos cell modules, and each cmos cell module is used to gather described to be measured
The two-dimensional image information and two-dimension spectrum information of thing, the plurality of cmos cell module is arranged in plane using mosaic array
On.
6. portable minisize spectrogrph according to claim 4, it is characterised in that the core board be also equipped with it is described
The memory module of micro-processor interface circuit connection, the memory module is used to store the described to be measured of the two-dimension spectrum sensor acquisition
The two-dimensional image information and two-dimension spectrum information of thing and the two-dimensional image information and two-dimension spectrum information of the process determinand
The testing result for obtaining；
The memory module includes：DDR3 memory modules, EMMC memory modules, EEPROM memory modules, NOR Flash storage moulds
Block, 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；
The EMMC memory modules are used for the institute of the two-dimension spectrum sensor acquisition described in 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 to store software, the hardware revision information of the portable minisize spectrogrph；
The NOR Flash memory modules are used to store the bare machine program or system program of the portable minisize spectrogrph.
7. portable minisize spectrogrph according to claim 4, it is characterised in that also include：
Be connected with the micro-processor interface circuit, for the two-dimensional image information of the determinand described in the two-dimension spectrum sensor acquisition
With the supplementary lighting module that two-dimension spectrum information provides light, the control signal that the supplementary lighting module sends according to the micro-processor interface circuit
Switch light compensating lamp；
The light compensating lamp is arranged on the homonymy of the housing with the two-dimension spectrum sensor.
8. portable minisize spectrogrph according to claim 7, it is characterised in that also include described portable for controlling
The first switch of micro spectrometer switch, for controlling the second switch of the light filling lamp switch, the first switch and second
Switch is arranged on the hull outside.
9. portable minisize spectrogrph according to claim 1, it is characterised in that also include：
Be connected with the interface board, the display screen for showing spectral information, the display screen be arranged on the housing outside.
10. portable minisize spectrogrph according to claim 1, it is characterised in that also include：For for described portable
The power module that micro spectrometer is powered；
The power module is battery-powered, or the power module is powered by USB interface.
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| CN112881310A (en) * | 2021-03-04 | 2021-06-01 | 华南农业大学 | Citrus huanglongbing field intelligent early diagnosis spectrometer |
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