CN109001153A - Near infrared spectrometer based on radio communication - Google Patents
Near infrared spectrometer based on radio communication Download PDFInfo
- Publication number
- CN109001153A CN109001153A CN201811190023.8A CN201811190023A CN109001153A CN 109001153 A CN109001153 A CN 109001153A CN 201811190023 A CN201811190023 A CN 201811190023A CN 109001153 A CN109001153 A CN 109001153A
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- radio
- chip microcontroller
- near infrared
- infrared spectrometer
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- 238000004891 communication Methods 0.000 title claims abstract description 29
- 238000001228 spectrum Methods 0.000 claims abstract description 24
- 239000000523 sample Substances 0.000 claims abstract description 16
- 238000004611 spectroscopical analysis Methods 0.000 claims abstract description 15
- 230000006870 function Effects 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000005662 electromechanics Effects 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000036578 sleeping time Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000011514 vinification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
-
- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
Abstract
The present invention relates to spectral ranges, aiming at the problem that existing near infrared spectrometer power consumption height and poor anti jamming capability, it is proposed a kind of near infrared spectrometer based on radio communication, it further include spectrum sensor, infrared temperature probe, radio-frequency module, single-chip microcontroller, memory module, power management module and the function button being electrically connected with single-chip microcontroller including single-chip microcontroller；Radio-frequency module is used to realize the communication of single-chip microcontroller and host computer by the way of frequency hopping communications；Single-chip microcontroller, for when the sense command of host computer is not received in the predetermined time automatically into sleep pattern, reach between when he falls asleep sleep setting value or radio-frequency module have received sense command after automatically wake up, and article to be measured is detected according to sense command control infrared temperature probe and spectrum sensor, the temperature data and spectroscopic data that will test acquisition deposit in memory module after being handled or are sent to host computer by radio-frequency module.The present invention is suitable near infrared spectrometer.
Description
Technical field
The present invention relates to spectral range, in particular to a kind of near infrared spectrometer.
Background technique
Near infrared spectrometer be between visible light and in it is infrared between electromagnetic radiation as waves, near infrared spectrum and organic molecule
The sum of fundamental frequencies of middle hydric group vibration is consistent with the standby uptake zones of frequency at different levels, by scanning the near infrared spectrum of article to be measured, can obtain
The characteristic information of organic molecule hydrogen group into article to be measured, because it has many advantages, such as non-destructive testing and free from environmental pollution,
Near infrared spectrometer is widely used in the fields such as food workshop, wine-making industry, feed manufacture and Detecting Pesticide.
Existing near infrared spectrometer generally comprises spectrum sensor and electronic unit, and wherein spectrum sensor is for acquiring
The spectroscopic data of article to be measured, electronic unit are used to directly transmit to collecting after spectroscopic data carries out the processing such as analog-to-digital conversion
Position machine, the disadvantage that all generally existing power consumption of above-mentioned near infrared spectrometer is high, communication distance is short and communication anti-interference capability is poor.
Summary of the invention
The technical problems to be solved by the present invention are: overcoming existing near infrared spectrometer power consumption height and communicating anti-interference energy
The problem of power difference proposes a kind of near infrared spectrometer based on radio communication.
The present invention solves above-mentioned technical problem, the technical solution adopted is that:
Near infrared spectrometer based on radio communication, including the spectrum sensor for acquiring article spectroscopic data to be measured,
It further include infrared temperature probe, radio-frequency module, single-chip microcontroller, memory module, power management module and function button, infrared measurement of temperature
Sensor, spectrum sensor, radio-frequency module, memory module, power management module and function button are electrically connected with single-chip microcontroller；
Infrared temperature probe, for detecting the temperature of article to be measured and sending a temperature to single-chip microcontroller；
Radio-frequency module, for realizing the communication of single-chip microcontroller and host computer by the way of frequency hopping communications；
Single-chip microcontroller, for when the sense command of host computer is not received in the predetermined time automatically into sleep pattern, when
Sleeping time reach sleep setting value or radio-frequency module have received sense command after automatically wake up, and controlled according to sense command
Infrared temperature probe and spectrum sensor detect article to be measured, will test acquisition temperature data and spectroscopic data into
Memory module is deposited in after row processing or host computer is sent to by radio-frequency module；
Power management module, the supply management near infrared spectrometer power supply of the whole machine；
Function button, for realizing the startup and shutdown of near infrared spectrometer.
It further, further include the USB interface being electrically connected with single-chip microcontroller, the USB interface is for charging and adjusting online
Try near infrared spectrometer.
Further, the single-chip microcontroller is by the way of the collaborative work of more SDADC AD conversion units to the temperature detected
Degree evidence and spectroscopic data carry out analog-to-digital conversion.
The beneficial effects of the present invention are:
Radio-frequency module has the ability of multiband communication, and the logical of single-chip microcontroller and host computer is realized by the way of frequency hopping communications
Letter, improves the anti-interference ability of this near infrared spectrometer.Single-chip microcontroller is when the detection life for not receiving host computer in the predetermined time
Automatically into sleep pattern when enabling, when he falls asleep between reach sleep setting value or radio-frequency module have received it is automatic after sense command
It wakes up, and article to be measured is detected according to sense command control infrared temperature probe and spectrum sensor, so greatly
Reduction this near infrared spectrometer power consumption, that is to say, that the present invention has the advantages that low-power consumption strong antijamming capability.
Detailed description of the invention
Fig. 1 is the structural block diagram of the embodiment of the present invention；
Fig. 2 is the whole design block diagram of single-chip microcontroller in the embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right with reference to the accompanying drawings and embodiments
The present invention is further elaborated.
The present invention is directed to overcome the problems, such as that existing near infrared spectrometer power consumption height and communication anti-interference capability are poor, one is proposed
The near infrared spectrometer based on radio communication, which is planted, including the spectrum sensor for acquiring article spectroscopic data to be measured further includes
Infrared temperature probe, radio-frequency module, single-chip microcontroller, memory module, power management module and function button, infrared measurement of temperature sensing
Device, spectrum sensor, radio-frequency module, memory module, power management module and function button are electrically connected with single-chip microcontroller；
Infrared temperature probe, for detecting the temperature of article to be measured and sending a temperature to single-chip microcontroller；
Radio-frequency module, for realizing the communication of single-chip microcontroller and host computer by the way of frequency hopping communications；
Single-chip microcontroller, for when the sense command of host computer is not received in the predetermined time automatically into sleep pattern, when
Sleeping time reach sleep setting value or radio-frequency module have received sense command after automatically wake up, and controlled according to sense command
Infrared temperature probe and spectrum sensor detect article to be measured, will test acquisition temperature data and spectroscopic data into
Memory module is deposited in after row processing or host computer is sent to by radio-frequency module；
Power management module, the supply management near infrared spectrometer power supply of the whole machine；
Function button, for realizing the startup and shutdown of near infrared spectrometer.
In order to enable debugging is convenient and charging is convenient, it may also include the USB interface being electrically connected with single-chip microcontroller, it is described
USB interface is for charging and on-line debugging near infrared spectrometer.
It hastens to improve detection and expands detection range, more SDADC AD conversion units associations can be used in the single-chip microcontroller
Mode with work carries out analog-to-digital conversion to the temperature data and spectroscopic data detected.
Embodiment
As shown in Figure 1, the near infrared spectrometer based on radio communication, including the light for acquiring article spectroscopic data to be measured
Spectrum sensor further includes infrared temperature probe, radio-frequency module, single-chip microcontroller, memory module, power management module and function by
Key, infrared temperature probe, spectrum sensor, radio-frequency module, memory module, power management module and function button are and monolithic
Machine is electrically connected；
Infrared temperature probe, for detecting the temperature of article to be measured and sending a temperature to single-chip microcontroller；
Radio-frequency module, for realizing the communication of single-chip microcontroller and host computer by the way of frequency hopping communications；
Single-chip microcontroller, for when the sense command of host computer is not received in the predetermined time automatically into sleep pattern, when
Sleeping time reach sleep setting value or radio-frequency module have received sense command after automatically wake up, and controlled according to sense command
Infrared temperature probe and spectrum sensor detect article to be measured, will test acquisition temperature data and spectroscopic data into
Memory module is deposited in after row processing or host computer is sent to by radio-frequency module；The predetermined time being arranged in the present embodiment is
30s, sleep setting value are 3s, and single-chip microcontroller determines temperature data and spectrum according to the instruction type of sense command in the present embodiment
Data are stored in memory module or are sent to host computer by radio-frequency module after being handled.
Power management module, the supply management near infrared spectrometer power supply of the whole machine；
Function button, for realizing the startup and shutdown of near infrared spectrometer.
It further include the USB interface being electrically connected with single-chip microcontroller, the USB interface is for charging and on-line debugging near infrared light
Spectrometer.The single-chip microcontroller is by the way of the collaborative work of more SDADC AD conversion units to the temperature data and spectrum detected
Data carry out analog-to-digital conversion.In order to realize data it is a large amount of storage after interacted again with computer, the memory module is big
The SD card of capacity.
Wherein, spectrum sensor uses the spectrum of model MEMS-FPI Spectrum Sensor C13272-01/02
Sensor, single-chip microcontroller use the single-chip microcontroller of model STM32F373,433MHz are used to pass through for the CC1201 radio frequency chip of dominant frequency
SPI interface is communicated with host computer, which has the ability of low-power consumption, quickly connection and multiband communication, in data frame
Encapsulation frame head realizes that frequency hopping communications can be significantly improved in the case where guaranteeing traffic rate to represent different communication frequencys
Anti-interference ability.
As shown in Fig. 2, the whole design structure of single-chip microcontroller be hardware layer, system firmware library, hardware driving layer, system layer and
Application layer, wherein hardware layer mainly includes the control module of single-chip microcontroller and the peripheral hardware of single-chip microcontroller, and main infrared measurement of temperature of completing senses
The acquisition of temperature data and spectroscopic data that device and spectrum sensor are sent；System firmware library is the software that ST producer writes, according to
Rely in specific hardware environment, provides interface for system software operation；Hardware driving layer is played and is held as the abstract of hardware module
On open under effect, upwards for system software run interface is provided, directly control the operation of hardware module, hardware driving downwards
The interface of layer driving includes SPI, USB, IIC, SDADC, ADC, DAC and SD interface；System layer is primarily referred to as operating system, this hair
It is bright to use the free FreeRTOS that increases income completely as embedded OS, it is responsible for system call；Application layer is near infrared light
The function realization layer of spectrometer, it is each application have operating system scheduling execute, mainly include spectrum data gathering, temperature detection,
Radio frequency control and data communication.
Claims (3)
1. the near infrared spectrometer based on radio communication, including the spectrum sensor for acquiring article spectroscopic data to be measured,
Be characterized in that, further include infrared temperature probe, radio-frequency module, single-chip microcontroller, memory module, power management module and function by
Key, infrared temperature probe, spectrum sensor, radio-frequency module, memory module, power management module and function button are and monolithic
Machine is electrically connected；
Infrared temperature probe, for detecting the temperature of article to be measured and sending a temperature to single-chip microcontroller；
Radio-frequency module, for realizing the communication of single-chip microcontroller and host computer by the way of frequency hopping communications；
Single-chip microcontroller, for, automatically into sleep pattern, working as sleep when not receiving the sense command of host computer in the predetermined time
Time reach sleep setting value or radio-frequency module have received sense command after automatically wake up, and according to sense command control it is infrared
Temperature transducer and spectrum sensor detect article to be measured, will test at the temperature data and spectroscopic data of acquisition
Memory module is deposited in after reason or host computer is sent to by radio-frequency module；
Power management module, the supply management near infrared spectrometer power supply of the whole machine；
Function button, for realizing the startup and shutdown of near infrared spectrometer.
2. as described in claim 1 based on the near infrared spectrometer of radio communication, which is characterized in that further include and monolithic electromechanics
Property connection USB interface, the USB interface for charge and on-line debugging near infrared spectrometer.
3. as described in claim 1 based on the near infrared spectrometer of radio communication, which is characterized in that the single-chip microcontroller is using more
The mode that SDADC AD conversion unit cooperates carries out analog-to-digital conversion to the temperature data and spectroscopic data detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811190023.8A CN109001153A (en) | 2018-10-12 | 2018-10-12 | Near infrared spectrometer based on radio communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811190023.8A CN109001153A (en) | 2018-10-12 | 2018-10-12 | Near infrared spectrometer based on radio communication |
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| CN109001153A true CN109001153A (en) | 2018-12-14 |
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| CN201811190023.8A Pending CN109001153A (en) | 2018-10-12 | 2018-10-12 | Near infrared spectrometer based on radio communication |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133674A (en) * | 2019-05-27 | 2019-08-16 | 四川长虹电器股份有限公司 | A kind of battery cell online tester based on TOF |
| CN110514620A (en) * | 2019-08-30 | 2019-11-29 | 四川长虹电器股份有限公司 | Spectral method of detection and system based on portable near infrared spectrometer |
| CN114264620A (en) * | 2021-11-24 | 2022-04-01 | 淮阴工学院 | Portable spectral data analysis system and method based on python language |
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Cited By (3)
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Application publication date: 20181214 |
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