CN209148540U - Near infrared spectrometer wireless data acquisition system based on NB-IoT - Google Patents
Near infrared spectrometer wireless data acquisition system based on NB-IoT Download PDFInfo
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- CN209148540U CN209148540U CN201821638612.3U CN201821638612U CN209148540U CN 209148540 U CN209148540 U CN 209148540U CN 201821638612 U CN201821638612 U CN 201821638612U CN 209148540 U CN209148540 U CN 209148540U
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Abstract
This patent discloses a kind of near infrared spectrometer wireless data acquisition system based on NB-IoT, this patent include spectrometer module, main control module, NB-IoT wireless communication module, carrier data transmission network, Internet of Things Cloud Server and mobile end module.Spectrometer module, main control module and NB-IoT wireless communication module form system, near infrared spectrum data acquisition, module positioning and data are completed to upload, Internet of Things Cloud Server completes data parsing, storage and publication, provides a user query service by mobile end module.This patent combines NB-IoT technology with Cloud Server technology, have the advantages that low-power consumption, wide covering and low cost, under the premise of low-power consumption, acquisition, the transmission range limitation of near infrared spectrum data are broken, more meet the application demand of internet of things field, further technical support can be provided in the application of internet of things field for near-infrared spectrum technique.
Description
Technical field
This patent is related to the subject crossing of technology of Internet of things and near-infrared spectrum technique, is that one kind is based in internet of things field
The near infrared spectrometer wireless data acquisition system of NB-IoT technology.
Background technique
In recent years, with the popularization of wisdom agricultural, near-infrared spectral analysis technology obtains application in Internet of Things.Closely
Infrared spectroscopy is generally divided into two sections: 0.7-1.1 μm of Short-wave near-infrared spectroscopy region and 1.1-2.5 μm of long wavelength near infrared spectrometry
Region.Currently, the existing near-infrared spectrum analysis of internet of things field mostly uses CMOS near infrared light sensor, it is limited to silicon device
Material properties, response range only covers 1.1 μm of short wavelength-NIR regions below.Indium gallium arsenic detector is at normal temperature
Response wave length is up to 1.7 μm, the detectable long wave near infrared band containing richer characteristic information, in the spectrum sensing of Internet of Things
Field has broad application prospects.
Based on the conventional near infrared spectrum equipment of indium gallium arsenic detector, data collection system mostly uses USB interface and control
Main-machine communication completes control and data-transformation facility.This spectrum data gathering system bulk is larger, poor mobility, is difficult straight
It connects and is applied in Internet of Things.With the continuous development of micro spectrometer technology in recent years, based on WiFi, bluetooth, GPRS etc.
The spectrum data gathering system of wireless communication interface has come out.The communication technologys transmission range such as WiFi and bluetooth only has tens meters
To rice up to a hundred, GPRS communication module solves distance limitation, but instantaneous operating current cannot fully meet Internet of Things sense up to 2A
Know the application demand that power consumption and transmission range are taken into account in layer.
NB-IoT is the emerging technology of internet of things field, supports low power consuming devices to connect in the cellular data of wide area network, only
Consume the bandwidth of about 180KHz.Compared to extensive at present commercial GSM/GPRS/3G/4G and other wireless near field communication skills
Art has the advantages that covering is wide, connection is more, at low cost, power consumption is few, is the important selection of the following all things on earth interconnection technique.
Summary of the invention
The purpose of this patent is to design a kind of near infrared spectrometer wireless data acquisition system based on NB-IoT technology, is matched
The near infrared spectrometer module based on indium gallium arsenic detector is closed, near infrared spectrum data is uploaded into cloud, and pass through mobile terminal mould
Block provides a user query service.
The technical solution of this patent is as follows:
A kind of near infrared spectrometer wireless data acquisition system based on NB-IoT, which is characterized in that including spectrometer mould
Block, main control module, NB-IoT wireless communication module, carrier data transmission network, Internet of Things Cloud Server and mobile end module.
The spectrometer module is that indium gallium arsenic array spectrometer is miniaturized in the near-infrared of 900-1700nm wave band, can be to quilt
Study sample is transmitted or is diffused spectrometry, and spectroscopic data is obtained.
The main control module is used to control the working condition of spectrometer module, and the number of spectrometer module, work are joined
Number, the spectroscopic data acquired are uploaded to Internet of Things cloud service by NB-IoT wireless communication module and carrier data transmission network
Device.The working state control of spectrometer module includes dark current acquisition, the time of integration is optimized and revised, diffusing reflection whiteboard data is surveyed
Fixed, sample spectra acquisition and storage；Running parameter includes wave-length coverage, the time of integration, spectral resolution, spectrum channel number and each
Spectrum channel central wavelength.
The NB-IoT wireless communication module carries out satellite positioning using built-in GNSS function, and passes through operator NB-IoT
Data transmission network and Internet of Things Cloud Server establish that ICP/IP protocol is connect or udp protocol connects, and upload spectrometer module
The designated port of number, running parameter, location information and near infrared spectrum data to Internet of Things Cloud Server.
The Internet of Things Cloud Server provides ICP/IP protocol connection as data platform, to NB-IoT wireless communication module
It is connected with udp protocol, is stored in database after the parameter information, location information and spectral data classification of upload are parsed, concurrently
Cloth external interface calls inquiry for mobile end module.
The mobile end module is supplied to user's use, including mobile device and application program, is based on Internet of Things cloud service
The external inquiry interface of device publication provides spectroscopic data downloading, the curve of spectrum is drawn, spectrometer module running parameter and positioning are looked into
Ask function.
The specific work steps of the system are as follows:
Step 1, spectrometer module works on power, and dark current acquisition is completed under the control of main control module, and according to environment
Light intensity is completed the time of integration and is optimized and revised；
Step 2, main control module reads the number and running parameter of spectrometer module, complete using NB-IoT wireless communication module
At satellite positioning, location information is obtained；
Step 3, main control module control spectrometer module carries out the spectral measurement of diffusing reflection blank and sample, obtains spectrum number
According to；
Step 4, after the completion of spectrum data gathering, main control module is passed by NB-IoT wireless communication module and carrier data
Defeated network connection Internet of Things Cloud Server, classification upload number, running parameter, location information and the light of acquisition of spectrometer module
Modal data；
Step 5, Internet of Things Cloud Server receives all kinds of upload informations, database is stored in after classification parsing, and by outer
Portion's interface is issued；
Step 6, user selects particular number and position using the application program of the mobile end module of account and password login
The spectroscopic data of its specific time is inquired and downloaded to spectrometer module, and the curve graph for completing spectroscopic data is drawn.
The beneficial effect of this patent is:
Near infrared spectrum data is directly uploaded by Cloud Server using NB-IoT technology, compared to traditional near infrared spectrometer
Data acquisition, Transmission system, taken into account power consumption and transmission range and limited two application demands；Increase the work of spectrometer module
Make state control, running parameter acquisition, GNSS satellite positioning function, and provide a user the application program of mobile end module, mentions
High practicability of the near infrared spectrometer in Internet of Things.
Detailed description of the invention
Fig. 1 is a kind of architecture diagram of near infrared spectrometer wireless data acquisition system based on NB-IoT.
Specific embodiment
More detailed elaboration is carried out to the implementation of this patent below in conjunction with attached drawing.
As shown in Figure 1, a kind of near infrared spectrometer wireless data acquisition system based on NB-IoT, including spectrometer mould
Block, main control module, NB-IoT wireless communication module, carrier data transmission network, Internet of Things Cloud Server and mobile end module.
Spectrometer module is that indium gallium arsenic array spectrometer is miniaturized in the near-infrared of 900-1700nm wave band.Detector is 256
First alignment indium gallium-arsenium coke plane component obtains compact micromation beam-splitting structure by coupling with linear variable filter；Pass through
Reading circuit inside FPGA driving assembly completes the acquisition and time of integration adjustment of spectroscopic data.
Main control module uses MSP430F149 chip microcontroller.Using in instruction and digit pulse control spectrometer module
Fpga chip completes time of integration self-adjusting, the spectrum data gathering function of dark current, blank, sample to be tested；By having interrupted
At the acquisition of spectrometer module number, running parameter and spectroscopic data, and controls NB-IoT wireless communication module and upload data extremely
Cloud Server.
NB-IoT wireless communication module interrogates the NB-IoT mould group of logical SIM7000C model using core, is received by serial ports
The AT instruction and data interaction of MSP430F149 single-chip microcontroller, cooperates the NB-IoT Internet of Things personality card of China Telecom, completes to be based on
The data that the cellular network registration of NB-IoT is connected with based on ICP/IP protocol upload；GNSS satellite built in SIM7000C positions function
Energy module can cooperate MSP430F149 single-chip microcontroller further to complete satellite positioning and location information upload.
Spectrometer module, main control module and NB-IoT wireless communication module form system, are supplied using 18650 type lithium batteries
Electricity, supply voltage 3.7V.Wherein, the voltage that lithium battery provides is supplied directly to NB-IoT wireless communication module by filtering, passes through
It crosses linear voltage regulator and obtains 3.3V voltage and be supplied to spectrometer module and main control module.
Internet of Things Cloud Server selects " Ali's cloud " ECS Cloud Server as data platform, is configured to 2 core 4G memories,
1Mbps bandwidth enjoys independent public network IP.The TCP/IP data analysis software of NB-IoT interface is developed in Cloud Server, is based on
The spectra database and Web Service issuing interface of Microsoft SQL Server 2008.Data analysis software uses C#
Language development, it is corresponding with spectrometer number after location information and spectral data classification parsing, it is stored in SQL Server light
Modal data library, and data publication is completed using JAVA exploitation Web Service issuing interface.
Mobile end module is based on mobile phone and Android operation system is realized, application program utilizes the publication of Internet of Things Cloud Server
External inquiry interface provides spectroscopic data downloading, curve of spectrum drafting, spectrometer module running parameter and locating query function.
Concrete operation step are as follows:
Step 1, spectrometer module works on power, and FPGA of the MSP430F149 single-chip microcontroller into spectrometer sends instruction and complete
Dark current acquisition, and control FPGA and optimized and revised according to the environmental light intensity completion time of integration；
Step 2, MSP430F149 single-chip microcontroller reads the number and running parameter of spectrometer module, is instructed and is controlled using AT
NB-IoT wireless communication module completes satellite positioning, obtains location information；
Step 3, MSP430F149 single-chip microcontroller control spectrometer module carries out the spectral measurement of diffusing reflection blank and sample, obtains
Take corresponding spectroscopic data；
Step 4, after the completion of spectrum data gathering, MSP430F149 single-chip microcontroller passes through NB-IoT wireless communication module and operation
Quotient data transmission network connects " Ali's cloud " ECS Cloud Server, and classification uploads the number of spectrometer module, running parameter, position
The spectroscopic data of information and acquisition；
Step 5, the data analysis software in Internet of Things Cloud Server receives all kinds of upload informations, is stored in after classification parsing
SQL database, and data publication is completed by Web Service interface；
Step 6, user selects particular number using the application program of the mobile end module in account and password login mobile phone
With the spectrometer module of position, the spectroscopic data of its specific time is inquired and downloads, the curve graph for completing spectroscopic data is drawn.
Claims (6)
1. a kind of near infrared spectrometer wireless data acquisition system based on NB-IoT, including spectrometer module, main control module,
NB-IoT wireless communication module, carrier data transmission network, Internet of Things Cloud Server and mobile end module, which is characterized in that
The spectrometer module is used to test the near infrared cheracteristics of studied sample, obtains spectroscopic data；
The main control module is used to control the working condition of spectrometer module, and by the number of spectrometer module, running parameter,
The spectroscopic data of acquisition is uploaded to Internet of Things Cloud Server by NB-IoT wireless communication module and carrier data transmission network；
The Internet of Things Cloud Server is as data platform, for uploading reception, parsing, storage, processing and the outside of data
Query interface publication；
The mobile end module is supplied to user's use, including mobile device and application program, is based on Internet of Things Cloud Server
The external inquiry interface of publication provides spectroscopic data downloading, curve of spectrum drafting, spectrometer module running parameter and locating query
Function.
2. a kind of near infrared spectrometer wireless data acquisition system based on NB-IoT according to claim 1, feature
It is, the spectrometer module is that indium gallium arsenic array spectrometer is miniaturized in the near-infrared of 900-1700nm wave band, can be to quilt
Study sample is transmitted or is diffused spectrometry.
3. a kind of near infrared spectrometer wireless data acquisition system based on NB-IoT according to claim 1, feature
Be, the main control module to the working state control of spectrometer module include dark current acquisition, the time of integration optimize and revise,
The measurement of diffusing reflection whiteboard data, sample spectra acquisition and storage；The running parameter for obtaining spectrometer module includes wave-length coverage, product
Between timesharing, spectral resolution, spectrum channel number and each spectrum channel central wavelength.
4. a kind of near infrared spectrometer wireless data acquisition system based on NB-IoT according to claim 1, feature
It is, the NB-IoT wireless communication module carries out satellite positioning using built-in GNSS function, and passes through operator NB-IoT
Data transmission network and Internet of Things Cloud Server establish that ICP/IP protocol is connect or udp protocol connects, and upload spectrometer module
The designated port of number, running parameter, location information and near infrared spectrum data to Internet of Things Cloud Server.
5. a kind of near infrared spectrometer wireless data acquisition system based on NB-IoT according to claim 1, feature
It is, the Internet of Things Cloud Server provides ICP/IP protocol connection to NB-IoT wireless communication module and connects with udp protocol,
It is stored in database after the parameter information, location information and spectral data classification of upload are parsed, and issues external interface for moving
Moved end module calls inquiry.
6. a kind of near infrared spectrometer wireless data acquisition system based on NB-IoT according to claim 1, feature
It is, the mobile end module includes following function:
Spectrometer module parameter and position enquiring: obtaining the running parameter of a certain number spectrometer module, positions current location；
The inquiry and downloading of spectroscopic data: spectroscopic data of the inquiry sometime or in the period downloads to shifting as unit of frame
Moved end is locally stored；
The curve of spectrum is drawn: using wavelength or wave number as abscissa, spectral reflectivity or absorbance are ordinate, draw spectroscopic data
Curve graph and display.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366134A (en) * | 2020-03-18 | 2020-07-03 | 济南热力工程有限公司 | Well lid slope trigger control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366134A (en) * | 2020-03-18 | 2020-07-03 | 济南热力工程有限公司 | Well lid slope trigger control system |
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