CN109470838A - A kind of agricultural product quality monitoring system - Google Patents
A kind of agricultural product quality monitoring system Download PDFInfo
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- CN109470838A CN109470838A CN201811345669.9A CN201811345669A CN109470838A CN 109470838 A CN109470838 A CN 109470838A CN 201811345669 A CN201811345669 A CN 201811345669A CN 109470838 A CN109470838 A CN 109470838A
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G01N21/84—Systems specially adapted for particular applications
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- G01N33/245—Earth materials for agricultural purposes
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The present invention provides a kind of agricultural product quality monitoring system, utilize central processing unit, soil moisture sensor, first signal processing circuit, soil salinity sensor, second signal processing circuit, heavy metal-polluted soil detection device, soil acidity or alkalinity detection device, device for detecting safety of foods, pesticide detection device, chemical fertilizer detection device, solar panel, regulator rectifier circuit, battery, image capture module, image processing module, wireless transmission unit, user mobile phone, display unit, storage unit, comparing unit, the soil moisture signal of alarm unit and printer to agricultural product to be measured, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information are monitored.
Description
Technical field
The present invention relates to intelligence test fields more particularly to a kind of agricultural product quality to monitor system.
Background technique
With being constantly progressive for Chinese development, agricultural also develops constantly.The kinds of agricultural product, yield are all constantly
Increase, the increase of kind, yield indicates agricultural in development constantly.But the increase of yield be also likely to be due to pesticide,
Caused by the abuse of chemical fertilizer, the exceeded food of edible pesticide, chemical fertilizer content can threaten to the health of people.How people to be allowed to exempt from
Harm by pesticide, chemical fertilizer is research direction very with significance.
Existing intelligence agricultural product quality monitoring system is only detected by the conventional parameter information to agricultural product to be measured,
Such as residue of pesticide etc., not only measuring accuracy is not high for such agricultural product quality monitoring system, and monitoring range covering is too small, so that
The quality of agricultural product to be measured cannot in time, accurately, be comprehensively known in staff.
Summary of the invention
Therefore, to solve the above-mentioned problems, the present invention provides a kind of agricultural product quality monitoring system, utilizes central processing
Device, soil moisture sensor, the first signal processing circuit, soil salinity sensor, second signal processing circuit, heavy metal-polluted soil
Detection device, soil acidity or alkalinity detection device, device for detecting safety of foods, pesticide detection device, chemical fertilizer detection device, solar energy
Solar panel, battery, image capture module, image processing module, wireless transmission unit, user mobile phone, is shown regulator rectifier circuit
Show unit, storage unit, comparing unit, alarm unit and printer to soil moisture signal, the soil salt of agricultural product to be measured
Sub-signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information into
Row monitoring realizes the soil moisture signal to agricultural product to be measured, soil salt letter in conjunction with the technologies such as sensor and wireless communication
Number, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information it is real-time
Detection, precisely record and long-range monitoring, staff can directly acquire the soil moisture of agricultural product to be measured by user mobile phone
Signal, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information with
And image information, people can also know soil moisture signal, the soil salt of the agricultural product to be measured monitored by display unit
Sub-signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information,
Its structure is simple, versatility is good, integrated level is high, low in cost, real-time is good, detection accuracy is high, it is easy to maintain, intelligent it is high,
The advantages that scalability is good is, it can be achieved that soil moisture signal, soil salt signal, heavy metal-polluted soil to agricultural product to be measured are believed
Breath, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information are monitored automatically and are remotely supervised
It surveys, to the soil moisture signal of agricultural product to be measured, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, peace
Full information, pesticide information, chemical fertilizer information and the informationization of image information monitoring, intelligent management have important role, work
Soil moisture signal, the soil salt signal, soil of agricultural product to be measured can be known by user mobile phone and display unit by making personnel
Earth heavy metal information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information are with can be to be measured
The quality of agricultural product carries out accurate measurements.
A kind of agricultural product quality according to the present invention monitors system comprising central processing unit, soil moisture sensor, the
One signal processing circuit, soil salinity sensor, second signal processing circuit, heavy metal-polluted soil detection device, soil acidity or alkalinity
Detection device, device for detecting safety of foods, pesticide detection device, chemical fertilizer detection device, solar panel, rectifying and voltage-stabilizing electricity
Road, battery, image capture module, image processing module, wireless transmission unit, user mobile phone, display unit, storage unit,
Comparing unit, alarm unit and printer.
Wherein, the output end of soil moisture sensor is connect with the input terminal of the first signal processing circuit, and soil salt passes
The output end of sensor is connect with the input terminal of second signal processing circuit, the output end and regulator rectifier circuit of solar panel
Input terminal connection, the input terminal of the output end of regulator rectifier circuit and battery connects, image capture module for acquire to
The image information of agricultural product is surveyed, the output end of image capture module and the input terminal of image processing module connect, at the first signal
Manage the output end of circuit, the output end of second signal processing circuit, the output end of heavy metal-polluted soil detection device, soil acidity or alkalinity
The output end of detection device, the output end of device for detecting safety of foods, the output end of pesticide detection device, chemical fertilizer detection device
The output end of output end, the output end of battery and image processing module is connect with the input terminal of central processing unit respectively, nothing
The input terminal of line transmission unit, the input terminal of display unit, the input terminal of storage unit, the input terminal of comparing unit and printing
The input terminal of machine is connect with the output end of central processing unit respectively, central processing unit by wireless transmission unit and user mobile phone without
Line communication connection, the output end of comparing unit and the input terminal of alarm unit connect.
Preferably, soil moisture sensor is used to monitor the soil moisture information of agricultural product to be measured, by the soil of acquisition
Moisture information is converted to voltage signal V0, and voltage signal V0 is transmitted to the first signal processing circuit, and V1 is by the first letter
Voltage signal after number processing circuit processes, the first signal processing circuit include signal amplification unit and signal filter unit, soil
The output end of earth moisture transducer and the input terminal of signal amplification unit connect, and the output end and signal of signal amplification unit filter
The input terminal of unit connects, and the output end of signal filter unit and the port ADC of central processing unit connect.
Preferably, signal amplification unit includes integrated transporting discharging A1-A2, resistance R1-R14, capacitor C1-C5 and triode
T1-T4；
Wherein, it is connect after the output end of soil moisture sensor is in parallel with one end of resistance R1 with the base stage of triode T1, resistance
One end of R14 is connect with the inverting input terminal of integrated transporting discharging A1, with capacitor C4's after resistance R1 is in parallel with the other end of resistance R14
One end connection, the other end ground connection of capacitor C4, one end of capacitor C5 are connect with the output end of integrated transporting discharging A1, and capacitor C5's is another
It holds and is connect with after the parallel connection of one end of resistance R14 with the inverting input terminal of integrated transporting discharging A1, the collector and+15V of triode T1 is straight
The connection of galvanic electricity source, one end ground connection of capacitor C1, the base after the other end of capacitor C2 is in parallel with one end of resistance R2 with triode T2
Pole connection, the other end of resistance R2 are connect with the output end of integrated transporting discharging A1, and one end of resistance R3 and the base stage of triode T2 connect
It connects, the other end of resistance R3 is connect with -15V DC power supply, and one end of resistance R4 is connect with the emitter of triode T2, resistance R4
The other end connect with -15V DC power supply, one end of resistance R5 is connect with one end of slide rheostat R6, and resistance R5's is another
End ground connection, after the other end of slide rheostat R6 is in parallel with one end of resistance R7 respectively with the emitter of triode T3, resistance R7
One end connected with one end of resistance R12, one end of resistance R7 is connect with -15V DC power supply, the other end of resistance R12 and electricity
It is connect after hindering one end parallel connection of R13 with the output end of integrated transporting discharging A2, after the other end of resistance R13 is in parallel with one end of capacitor C3
It is connect with the non-inverting input terminal of integrated transporting discharging A1, the other end of resistance C3 ground connection, one end of resistance R8 is anti-with integrated transporting discharging A2's
The connection of phase input terminal, one end of resistance R8 are also connect with the collector of triode T4, the other end and -15V direct current of resistance R8
Source connection, one end of resistance R9 are connect with+15V DC power supply, and one end of resistance R9 is also connect with the collector of triode T1, electricity
The other end of resistance R9 is connect with the base stage of triode T4, and the other end of resistance R9 is also connect with the collector of triode T3, resistance
One end after R10 is in parallel with capacitor C2 is connect with+15V DC power supply, one end after resistance R10 is in parallel with capacitor C2 also with three poles
The collector of pipe T1 connects, and the other end after resistance R10 is in parallel with capacitor C2 is also connect with the emitter of triode T4, triode
The emitter of T1 is connect with the base stage of triode T3, and the emitter of triode T1 is also connect with the collector of triode T2, resistance
One end of R11 is connect with the inverting input terminal of integrated transporting discharging A2, the other end ground connection of resistance R11.
Preferably, signal filter unit includes resistance R15-R21, capacitor C6-C7 and integrated transporting discharging A3-A5；
Wherein, the output end of signal amplification unit is connect with one end of resistance R15, the other end of resistance R15 and the one of resistance R17
It being connect after end is in parallel with the non-inverting input terminal of integrated transporting discharging A3, the other end of resistance R17 is connect with the output end of integrated transporting discharging A3,
One end of resistance R16 is grounded, and is connect after the other end of resistance R16 is in parallel with resistance R21 with the non-inverting input terminal of integrated transporting discharging A3,
The other end of resistance R21 is connect with the output end of integrated transporting discharging A4, and the output end of the other end of resistance R17 and integrated transporting discharging A3 are simultaneously
It is connect after connection with one end of resistance R18, the reverse phase after the other end of resistance R18 is in parallel with one end of capacitor C6 with integrated transporting discharging A4
Input terminal connection connect with one end of resistance R19 after the other end of capacitor C6 is in parallel with the output end of integrated transporting discharging A4, integrates fortune
The non-inverting input terminal ground connection of A4 is put, it is defeated with the reverse phase of integrated transporting discharging A5 after the other end of resistance R19 is in parallel with one end of capacitor C7
Enter end connection, the non-inverting input terminal ground connection of integrated transporting discharging A5, the other end of capacitor C7 is connect with the output end of integrated transporting discharging A5, electricity
One end of resistance R20 is connect with the inverting input terminal of integrated transporting discharging A3, and the other end of resistance R20 and the output end of integrated transporting discharging A5 connect
It connects, one end of resistance R21 is connect with the non-inverting input terminal of integrated transporting discharging A3, and the other end of resistance R21 is defeated with integrated transporting discharging A4's
The port ADC of outlet connection, the output end of integrated transporting discharging A5 and central processing unit connects, and signal processing unit will treated electricity
Pressure signal V1 is transmitted to the port ADC of central processing unit.
Preferably, image processing module includes image noise reduction unit, image enhancing unit, image sharpening unit and figure
As smooth unit.
Wherein, image capture module is used to acquire the image informations of agricultural product to be measured, the output end of image capture module with
The input terminal of image noise reduction unit connects, and the output end of image noise reduction unit and the input terminal of image enhancing unit connect, image
The output end of enhancement unit is connect with the input terminal of image sharpening unit, the output end and image smoothing unit of image sharpening unit
Input terminal connection, the input terminal of the output end of image smoothing unit and central processing unit connects.
Preferably, soil salinity sensor is used to acquire the salinity information of agricultural product soil to be measured, by the soil of acquisition
Salinity information is converted to voltage signal V2, and voltage signal V2 is transmitted to second signal processing circuit, and V3 is by the second letter
Voltage signal after number processing circuit processes, second signal processing circuit include signal amplification module and signal filter module, soil
The output end of earth salt sub-sensor is connect with the input terminal of signal amplification module, and the output end and signal of signal amplification module filter
The input terminal of module connects, and the output end of signal filter module and the port ADC of central processing unit connect.
Preferably, signal amplification module includes integrated transporting discharging A6-A8 and resistance R22-R35；
Wherein, the output end of soil salinity sensor is connect with one end of resistance R22, and the other end of resistance R22 is with resistance R23's
One end connection, the other end of resistance R22 are also connect with one end of resistance R24, and the other end ground connection of resistance R24, resistance R23's is another
One end is connect with one end of resistance R25, the other end ground connection of resistance R25, and the other end of resistance R23 is also same with integrated transporting discharging A6
The connection of phase input terminal, one end ground connection of resistance R26, the other end of resistance R26 are connect with one end of resistance R27, and resistance R27's is another
One end is connect with the inverting input terminal of integrated transporting discharging A6, and the other end of resistance R26 is also connect with one end of resistance R28, integrates fortune
The output end for putting A6 is connect with one end of resistance R31, the other end of resistance R31 ground connection, the output end of integrated transporting discharging A6 also with collection
It is connected at the non-inverting input terminal of amplifier A7, one end ground connection of resistance R29, the other end of resistance R29 and the reverse phase of integrated transporting discharging A7
Input terminal connection, the other end of resistance R29 also connect with one end of resistance R30, and the other end of resistance R28 is another with resistance R30's
It is connect after one end is in parallel with the output end of integrated transporting discharging A7, the output end of integrated transporting discharging A7 is also connect with one end of resistance R32, electricity
Hinder R32 other end ground connection, the output end of integrated transporting discharging A7 also connect with one end of resistance R33, the other end of resistance R33 with integrate
The non-inverting input terminal of amplifier A8 connects, and one end of resistance R35 is connect with the inverting input terminal of integrated transporting discharging A8, and resistance R35's is another
One end is connect with the output end of integrated transporting discharging A8, and one end of resistance R35 is also connect with one end of resistance R34, resistance R34 it is another
End ground connection.
Preferably, signal filter module includes resistance R36-R42, capacitor C8-C9 and integrated transporting discharging A9-A11；
Wherein, the output end of signal amplification unit is connect with one end of resistance R36, the other end of resistance R36 and the one of resistance R38
It being connect after end is in parallel with the non-inverting input terminal of integrated transporting discharging A9, the other end of resistance R38 is connect with the output end of integrated transporting discharging A9,
One end of resistance R37 is grounded, and is connect after the other end of resistance R37 is in parallel with resistance R42 with the non-inverting input terminal of integrated transporting discharging A9,
The other end of resistance R42 is connect with the output end of integrated transporting discharging A10, the other end of resistance R38 and the output end of integrated transporting discharging A9
It is connect after parallel connection with one end of resistance R39, with integrated transporting discharging A10's after the other end of resistance R39 is in parallel with one end of capacitor C8
Inverting input terminal connection is connect after the other end of capacitor C8 is in parallel with the output end of integrated transporting discharging A10 with one end of resistance R40,
The non-inverting input terminal of integrated transporting discharging A10 is grounded, after the other end of resistance R40 is in parallel with one end of capacitor C9 with integrated transporting discharging A11
Inverting input terminal connection, the non-inverting input terminal ground connection of integrated transporting discharging A11, the other end of capacitor C9 is defeated with integrated transporting discharging A11's
Outlet connection, one end of resistance R41 are connect with the inverting input terminal of integrated transporting discharging A9, the other end and integrated transporting discharging of resistance R41
The output end of A11 connects, and one end of resistance R42 is connect with the non-inverting input terminal of integrated transporting discharging A9, the other end and collection of resistance R42
It is connected at the output end of amplifier A10, the output end of integrated transporting discharging A11 and the port ADC of central processing unit connect, signal processing mould
Block is by the port ADC of treated voltage signal V3 is transmitted to central processing unit.
Preferably, soil moisture sensor acquires the soil moisture signal of agricultural product to be measured, and by collected soil
Moisture signal is transmitted to the first signal processing circuit, and soil salinity sensor acquires the soil salt signal of agricultural product to be measured, and
Collected soil salt signal is transmitted to second signal processing circuit, image capture module is for acquiring agricultural product to be measured
Image information, and the image information of collected agricultural product to be measured is transmitted to image processing module, the first signal processing circuit
Will treated soil moisture signal is transmitted to central processing unit, second signal processing circuit will treated soil salt signal
It is transmitted to central processing unit, heavy metal-polluted soil information is transmitted to central processing unit, soil acid-base by heavy metal-polluted soil detection device
It spends detection device and soil acidity or alkalinity information is transmitted to central processing unit, device for detecting safety of foods believes agricultural product security to be measured
Breath is transmitted to central processing unit, and the pesticide information of agricultural product to be measured is transmitted to central processing unit, chemical fertilizer inspection by pesticide detection device
It surveys device and the chemical fertilizer information of agricultural product to be measured is transported into central processing unit, image processing module will treated agricultural product figure to be measured
As information is transmitted to central processing unit；Central processing unit is by soil moisture signal, the soil salt of the agricultural product to be measured received
Signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information pass through
Wireless transmission unit is transmitted to user mobile phone, and central processing unit is by soil moisture signal, the soil of the agricultural product to be measured received
Salt sub-signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information
It is transmitted to display unit to be shown, central processing unit is by soil moisture signal, the soil salt of the agricultural product to be measured received
Signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information transmission
Stored to storage unit, central processing unit by the soil moisture signal of the agricultural product to be measured received, soil salt signal,
Heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information, which are transmitted to, beats
Print machine carries out data-printing, and central processing unit is by the soil moisture signal of the agricultural product to be measured received, soil salt signal, soil
Earth heavy metal information, soil acidity or alkalinity information, pesticide information and chemical fertilizer information are transmitted to comparing unit.
Preferably, comparing unit be stored with default soil moisture threshold, soil salt threshold value, heavy metal-polluted soil threshold value,
Soil acidity or alkalinity threshold value, pesticide threshold value and chemical fertilizer threshold value, if the soil moisture for the agricultural product to be measured that comparing unit receives is believed
Number, any value is big in soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, pesticide information and chemical fertilizer information
In stored in comparing unit soil moisture threshold, soil salt threshold value, heavy metal-polluted soil threshold value, soil acidity or alkalinity threshold value, agriculture
Medicine threshold value and chemical fertilizer threshold value, then alarm unit alert.
Preferably, image capture module is transmitted to the agricultural product image definition to be measured of image processing module for two-dimentional letter
Number f (x, y), wherein x, y are space coordinates, and image noise reduction unit carries out image noise reduction processing to image f (x, y), by image
Two-dimensional image function after noise reduction process is g (x, y), wherein
。
Preferably, image enhancing unit carries out image definition enhancing processing to image g (x, y), by image clearly
Degree enhancing treated two-dimensional image function is h (x, y), wherein
。
Preferably, image sharpening unit carries out image sharpening processing to image h (x, y), after image sharpening is handled
Two-dimensional image function be d (x, y), wherein
。
Preferably, image smoothing unit carries out picture smooth treatment to image d (x, y), after picture smooth treatment
Two-dimensional image function be s (x, y), smooth function be q (x, y),
；
；
Wherein , ﹡ is convolution symbol,For customized adjustable constant, smooth effect is to pass throughCome what is controlled；
Image s (x, y) is transmitted to central processing unit by image smoothing unit.
Preferably, image capture module is ccd image sensor.
Preferably, central processing unit is 8-bit microprocessor Atmega128.
Preferably, display unit is LCD display unit, wherein LCD display unit 20pinLCD1286HZ.
Preferably, wireless transmission unit is WiFi module, and WiFi module is VT6656 module.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) agricultural product quality provided by the invention monitors system, utilizes central processing unit, soil moisture sensor, the first signal
Processing circuit, soil salinity sensor, second signal processing circuit, heavy metal-polluted soil detection device, soil acidity or alkalinity detection dress
It sets, device for detecting safety of foods, pesticide detection device, chemical fertilizer detection device, solar panel, regulator rectifier circuit, electric power storage
Pond, image processing module, wireless transmission unit, user mobile phone, display unit, storage unit, compares list at image capture module
Member, alarm unit and printer to the soil moisture signal of agricultural product to be measured, soil salt signal, heavy metal-polluted soil information,
Soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information are monitored, in conjunction with sensor and nothing
The technologies such as line communication, realize the soil moisture signal, soil salt signal, heavy metal-polluted soil information, soil to agricultural product to be measured
Earth pH value information, security information, pesticide information, the real-time detection of chemical fertilizer information and image information, precisely record and long-range
Monitoring, staff can directly acquire the soil moisture signal of agricultural product to be measured, soil salt signal, soil by user mobile phone
Earth heavy metal information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information, people also can
Known by display unit the soil moisture signals of the agricultural product to be measured monitored, soil salt signal, heavy metal-polluted soil information,
Soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information, structure is simple, versatility is good, collection
At spend it is high, low in cost, real-time is good, detection accuracy is high, it is easy to maintain, it is intelligent height, scalability is good the advantages that, it can be achieved that
To the soil moisture signal of agricultural product to be measured, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, safety letter
Breath, pesticide information, chemical fertilizer information and image information are monitored automatically and are remotely monitored, to the soil water of agricultural product to be measured
Sub-signal, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information
And the informationization of image information monitoring, intelligent management have an important role, staff can by user mobile phone and
Display unit knows soil moisture signal, soil salt signal, heavy metal-polluted soil information, the soil acidity or alkalinity letter of agricultural product to be measured
Breath, security information, pesticide information, chemical fertilizer information and image information are can carry out accurate measurements to the quality of agricultural product to be measured.
(2) agricultural product quality provided by the invention monitors system, and image processing module successively carries out figure to the image of acquisition
As noise reduction, image enhancement, image sharpening, picture smooth treatment, the image letter of image capture module can efficiently, be quickly extracted
Breath, can be improved the identification precision of the image to agricultural product to be measured, efficiently reduces erroneous judgement and happen.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is the schematic diagram that agricultural product quality of the invention monitors system；
Fig. 2 is the circuit diagram of the first signal processing circuit of the invention；
Fig. 3 is the circuit diagram of second signal processing circuit of the invention；
Fig. 4 is the schematic diagram of image processing module of the invention.
Appended drawing reference:
1- central processing unit；2- soil moisture sensor；The first signal processing circuit of 3-；4- soil salinity sensor；5- second
Signal processing circuit；6- heavy metal-polluted soil detection device；7- soil acidity or alkalinity detection device；8- device for detecting safety of foods；9-
Pesticide detection device；10- chemical fertilizer detection device；11- solar panel；12- regulator rectifier circuit；13- battery；14- figure
As acquisition module；15- image processing module；16- wireless transmission unit；17- user mobile phone；18- display unit；19- storage is single
Member；20- comparing unit；21- alarm unit；22- printer.
Specific embodiment
Agricultural product quality provided by the invention monitoring system is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, agricultural product quality monitoring system includes central processing unit 1, soil moisture sensor 2, the first signal
Processing circuit 3, soil salinity sensor 4, second signal processing circuit 5, heavy metal-polluted soil detection device 6, soil acidity or alkalinity inspection
Survey device 7, device for detecting safety of foods 8, pesticide detection device 9, chemical fertilizer detection device 10, solar panel 11, rectification surely
Volt circuit 12, image capture module 14, image processing module 15, wireless transmission unit 16, user mobile phone 17, is shown battery 13
Show unit 18, storage unit 19, comparing unit 20, alarm unit 21 and printer 22.
Wherein, the output end of soil moisture sensor 2 is connect with the input terminal of the first signal processing circuit 3, soil salt
The output end of sensor 4 is connect with the input terminal of second signal processing circuit 5, and the output end of solar panel 11 and rectification are steady
The input terminal of volt circuit 12 connects, and the output end of regulator rectifier circuit 12 is connect with the input terminal of battery 13, Image Acquisition mould
Block 14 is used to acquire the image information of agricultural product to be measured, the input of the output end and image processing module 15 of image capture module 14
End connection, the output end of the first signal processing circuit 3, the output end of second signal processing circuit 5, heavy metal-polluted soil detection device
6 output end, the output end of soil acidity or alkalinity detection device 7, the output end of device for detecting safety of foods 8, pesticide detection device 9
Output end, the output end of chemical fertilizer detection device 10, the output end of battery 13 and image processing module 15 output end point
It is not connect with the input terminal of central processing unit 1, the input terminal of wireless transmission unit 16, the input terminal of display unit 18, storage are single
The input terminal output end with central processing unit 1 respectively of the input terminal of member 19, the input terminal of comparing unit 20 and printer 22
Connection, central processing unit 1 are connect by wireless transmission unit 16 with 17 wireless telecommunications of user mobile phone, the output end of comparing unit 20
It is connect with the input terminal of alarm unit 21.
In above embodiment, central processing unit 1, soil moisture sensor 2, the first signal processing circuit 3, soil are utilized
Salt sub-sensor 4, second signal processing circuit 5, heavy metal-polluted soil detection device 6, soil acidity or alkalinity detection device 7, food peace
Full detection device 8, pesticide detection device 9, chemical fertilizer detection device 10, solar panel 11, regulator rectifier circuit 12, battery
13, image capture module 14, image processing module 15, wireless transmission unit 16, user mobile phone 17, display unit 18, storage are single
Member 19, comparing unit 20, alarm unit 21 and printer 22 believe soil moisture signal, the soil salt of agricultural product to be measured
Number, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information supervised
Survey, in conjunction with sensor and wireless communication etc. technologies, realize the soil moisture signal to agricultural product to be measured, soil salt signal,
The real-time inspection of heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information
It surveys, precisely record and long-range monitoring, staff can directly acquire the soil moisture of agricultural product to be measured by user mobile phone 17
Signal, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information with
And image information, people can also know soil moisture signal, the soil of the agricultural product to be measured monitored by display unit 18
Salt sub-signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image letter
Breath, structure is simple, versatility is good, integrated level is high, low in cost, real-time is good, detection accuracy is high, easy to maintain, intelligent
High, the advantages that scalability is good, is, it can be achieved that soil moisture signal, soil salt signal, heavy metal-polluted soil to agricultural product to be measured
Information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information are monitored and remotely automatically
Monitoring, to the soil moisture signal of agricultural product to be measured, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information,
Security information, pesticide information, chemical fertilizer information and the informationization of image information monitoring, intelligent management have important role,
Staff can know the soil moisture signal of agricultural product to be measured, soil salt letter by user mobile phone 17 and display unit 18
Number, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information be with can be right
The quality of agricultural product to be measured carries out accurate measurements.
Specifically, heavy metal-polluted soil detection device 6 uses handheld type X fluorescence heavy metal-polluted soil detector, using small-power
End window all-in-one micro light pipe, small power consumption, launching efficiency are high, small in size, portable, facilitate field work.
Specifically, soil acidity or alkalinity detection device 7 uses PHSJ-4A type acidometer, has automatically and manually temperature-compensating
Function, automatic calibration, automatic calculating electrode percentage theoretical slope function, can store test result, delete, consult, print,
50 sets of measurement data can at most be stored.
Specifically, device for detecting safety of foods 8 uses Multifunctional food safety detector PR-260-3, using solid light
Source, no mechanical displacement means, anti-interference, anti-vibration, long service life；Using 5 channel light systems, while quickly detecting multiple
Sample；RS-232/USB interface connects central controller 1.
Specifically, pesticide detection device 9 uses high-throughout residual toxicity detector PR-202GT32 type, and innovation uses micropore
Plate measuring technique can quickly, accurately detect organic phosphorus in veterinary antibiotics, tealeaves, grain, water and soil and carbamates
Pesticide is residual.Primary to detect 32 samples simultaneously, reagent dosage is few, testing cost detector low 90% more residual than common agriculture.Suitable for
The departments such as detection of agricultural products center at different levels, agricultural production base, agricultural trade wholesale market, quality surveillance popularize use.
Specifically, chemical fertilizer detection device 10 uses HZTM29-TMYQ-HF08 chemical fertilizer fast detector, quickly detects various
Ammoniacal nitrogen, nitrate nitrogen, urea, total nitrogen, biuret, available phosphorus, chloride ion and potassium content in composite chemical fertilizer and mixed fertilizer
Quantitative determination, provide accurate quantitative basis to the judgement of detected chemical fertilizer quality.
Agricultural product security problem includes many aspects.Soil moisture sensor 2 is used to detect the moisture in soil, detects agriculture
Product whether can because moisture content it is low caused by Quality Safety Problems of Agricultural Products；Heavy metal-polluted soil detection device 6 detects weight in soil
The content of metal detects whether to impact agricultural product quality because of heavy metal in soil content；Soil acidity or alkalinity detection device 7
The content of beary metal in soil is detected, whether detection soil acidity or alkalinity causes Product quality and safety problem；Food safety detection dress
Set whether 8 detection nitrite in food, nitrate and lead content are more than national standard, whether food is edible；Pesticide inspection
Device 9 is surveyed for detecting in agricultural product whether remaining pesticide concentration is exceeded, causes Quality Safety Problems of Agricultural Products；Chemical fertilizer detection
Device 10 is used to detect the content of chemical substance in chemical fertilizer used in crops, detects whether to make because of the chemical content in chemical fertilizer
At agricultural product security problem.
In above embodiment, solar panel 11 collects solar energy, is converted to by regulator rectifier circuit 12 low
Straightening galvanic electricity is stored in battery 13, and battery 13 is powered to central processing unit 1, combines electric power storage using solar panel 11
The form in pond 13 is the power supply of central processing unit 1, meets the requirement of energy conservation and environmental protection and Ecological Sustainable Development, improves using energy source
Rate also reduces cost.
In above embodiment, soil moisture sensor 2 is used to monitor the soil moisture signal of agricultural product to be measured, and will prison
The soil moisture signal measured is transmitted to the first signal processing circuit 3 and amplifies and be filtered, the first signal processing circuit 3
By treated, signal is transmitted to central processing unit 1, and the soil moisture signal received is transmitted to display list by central processing unit 1
Member 18 and storage unit 19, display unit 18 and storage unit 19 are set in monitoring room, and staff can be single by display
Member 18 obtains the soil moisture signal of agricultural product to be measured, and storage unit 19 further includes a usb data port, and staff can lead to
Real time data and historical data that the USB data interface knows the soil moisture of agricultural product to be measured are crossed, convenient for after staff
Phase research, analysis.
In above embodiment, soil salinity sensor 4 is used to monitor the soil salt signal of agricultural product to be measured, and will prison
The soil salt signal measured is transmitted to second signal processing circuit 5 and amplifies and be filtered, second signal processing circuit 5
By treated, signal is transmitted to central processing unit 1, and the soil salt signal received is transmitted to display list by central processing unit 1
Member 18 and storage unit 19, display unit 18 and storage unit 19 are set in monitoring room, and staff can be single by display
Member 18 obtains the soil salt signal of agricultural product to be measured, and storage unit 19 further includes a usb data port, and staff can lead to
Real time data and historical data that the USB data interface knows the soil salt of agricultural product to be measured are crossed, convenient for after staff
Phase research, analysis.
Central processing unit 1 is by the soil moisture signal of the agricultural product to be measured received, soil salt signal, heavy metal-polluted soil
Information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information pass through wireless transmission unit 18
It is transmitted to user mobile phone 19, staff can know in real time the soil of agricultural product to be measured by portable user mobile phone 19
Moisture signal, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer letter
Breath and image information.
As above-mentioned further preferential, as shown in Fig. 2, soil moisture sensor 2 is used to monitor the soil of agricultural product to be measured
The soil moisture information of acquisition is converted to voltage signal V0, and voltage signal V0 is transmitted to the first signal by earth moisture information
Processing circuit 3, V1 are by the first signal processing circuit 3 treated voltage signal, and the first signal processing circuit 3 includes signal
Amplifying unit and signal filter unit, the output end of soil moisture sensor 2 and the input terminal of signal amplification unit connect, signal
The output end of amplifying unit is connect with the input terminal of signal filter unit, the output end and central processing unit 1 of signal filter unit
The port ADC connection.
Specifically, signal amplification unit includes integrated transporting discharging A1-A2, resistance R1-R14, capacitor C1-C5 and triode
T1-T4；
Wherein, it is connect after the output end of soil moisture sensor 2 is in parallel with one end of resistance R1 with the base stage of triode T1, resistance
One end of R14 is connect with the inverting input terminal of integrated transporting discharging A1, with capacitor C4's after resistance R1 is in parallel with the other end of resistance R14
One end connection, the other end ground connection of capacitor C4, one end of capacitor C5 are connect with the output end of integrated transporting discharging A1, and capacitor C5's is another
It holds and is connect with after the parallel connection of one end of resistance R14 with the inverting input terminal of integrated transporting discharging A1, the collector and+15V of triode T1 is straight
The connection of galvanic electricity source, one end ground connection of capacitor C1, the base after the other end of capacitor C2 is in parallel with one end of resistance R2 with triode T2
Pole connection, the other end of resistance R2 are connect with the output end of integrated transporting discharging A1, and one end of resistance R3 and the base stage of triode T2 connect
It connects, the other end of resistance R3 is connect with -15V DC power supply, and one end of resistance R4 is connect with the emitter of triode T2, resistance R4
The other end connect with -15V DC power supply, one end of resistance R5 is connect with one end of slide rheostat R6, and resistance R5's is another
End ground connection, after the other end of slide rheostat R6 is in parallel with one end of resistance R7 respectively with the emitter of triode T3, resistance R7
One end connected with one end of resistance R12, one end of resistance R7 is connect with -15V DC power supply, the other end of resistance R12 and electricity
It is connect after hindering one end parallel connection of R13 with the output end of integrated transporting discharging A2, after the other end of resistance R13 is in parallel with one end of capacitor C3
It is connect with the non-inverting input terminal of integrated transporting discharging A1, the other end of resistance C3 ground connection, one end of resistance R8 is anti-with integrated transporting discharging A2's
The connection of phase input terminal, one end of resistance R8 are also connect with the collector of triode T4, the other end and -15V direct current of resistance R8
Source connection, one end of resistance R9 are connect with+15V DC power supply, and one end of resistance R9 is also connect with the collector of triode T1, electricity
The other end of resistance R9 is connect with the base stage of triode T4, and the other end of resistance R9 is also connect with the collector of triode T3, resistance
One end after R10 is in parallel with capacitor C2 is connect with+15V DC power supply, one end after resistance R10 is in parallel with capacitor C2 also with three poles
The collector of pipe T1 connects, and the other end after resistance R10 is in parallel with capacitor C2 is also connect with the emitter of triode T4, triode
The emitter of T1 is connect with the base stage of triode T3, and the emitter of triode T1 is also connect with the collector of triode T2, resistance
One end of R11 is connect with the inverting input terminal of integrated transporting discharging A2, the other end ground connection of resistance R11.
Specifically, signal filter unit includes resistance R15-R21, capacitor C6-C7 and integrated transporting discharging A3-A5；
Wherein, the output end of signal amplification unit is connect with one end of resistance R15, the other end of resistance R15 and the one of resistance R17
It being connect after end is in parallel with the non-inverting input terminal of integrated transporting discharging A3, the other end of resistance R17 is connect with the output end of integrated transporting discharging A3,
One end of resistance R16 is grounded, and is connect after the other end of resistance R16 is in parallel with resistance R21 with the non-inverting input terminal of integrated transporting discharging A3,
The other end of resistance R21 is connect with the output end of integrated transporting discharging A4, and the output end of the other end of resistance R17 and integrated transporting discharging A3 are simultaneously
It is connect after connection with one end of resistance R18, the reverse phase after the other end of resistance R18 is in parallel with one end of capacitor C6 with integrated transporting discharging A4
Input terminal connection connect with one end of resistance R19 after the other end of capacitor C6 is in parallel with the output end of integrated transporting discharging A4, integrates fortune
The non-inverting input terminal ground connection of A4 is put, it is defeated with the reverse phase of integrated transporting discharging A5 after the other end of resistance R19 is in parallel with one end of capacitor C7
Enter end connection, the non-inverting input terminal ground connection of integrated transporting discharging A5, the other end of capacitor C7 is connect with the output end of integrated transporting discharging A5, electricity
One end of resistance R20 is connect with the inverting input terminal of integrated transporting discharging A3, and the other end of resistance R20 and the output end of integrated transporting discharging A5 connect
It connects, one end of resistance R21 is connect with the non-inverting input terminal of integrated transporting discharging A3, and the other end of resistance R21 is defeated with integrated transporting discharging A4's
Outlet connection, the output end of integrated transporting discharging A5 are connect with the port ADC of central processing unit 1, and signal processing unit will treated
Voltage signal V1 is transmitted to the port ADC of central processing unit 1.
In above embodiment, the noise of signal processing circuit 3 drifts about within 40nV as 0.5 μ V/ DEG C, integrated transporting discharging
A1 is LT1010 low drifting amplifier, and integrated transporting discharging A2 is LT1012 high speed amplifier, and integrated transporting discharging A3, A4 and A5 are
LT1097 amplifier, since direct current offset and the drift of integrated transporting discharging A1 will not influence the overall offset of circuit, so that electric
There are extremely low offset and drift in road.
The resistance value of resistance R1 is 10M Ω, and the resistance value of resistance R2 is 10K Ω, and the resistance value of resistance R3 is 2k Ω, the resistance of resistance R4
Value is 300 Ω, and the resistance value of resistance R5 is 50 Ω, and R6 is 1K Ω slide rheostat, and the resistance value of resistance R7 is 5.6K Ω, resistance R8
Resistance value be 3K Ω, the resistance value of resistance R9 is 1K Ω, and the resistance value of resistance R10 is 470 Ω, and the resistance value of resistance R11 is 10K Ω, electricity
The resistance value for hindering R12 is 1K Ω, and the resistance value of resistance R13 is 10M Ω, and the resistance value of resistance R14 is 1K Ω, and the resistance value of resistance R15 is
The resistance value of 1.7K Ω, resistance R16 are 4.7K Ω, and the resistance value of resistance R17 is 10K Ω, and the resistance value of resistance R18 is 5K Ω, resistance R19
Resistance value be 1K Ω, the resistance value of resistance R20 is 5K Ω, and the resistance value of resistance R21 is 5K Ω, and the capacitance of capacitor C1 is 100pF, electricity
The capacitance for holding C2 is 10pF, and the capacitance of capacitor C3 is 100pF, and the capacitance of capacitor C4 is 100pF, the capacitance of capacitor C5
For 20pF, the capacitance of capacitor C6 is 220pF, and the capacitance of capacitor C7 is 470pF.
Since the signal that soil moisture sensor 2 acquires is faint voltage signal, thus signal amplification unit passes through electricity
The voltage V0 that resistance R1-R14, capacitor C1-C5, triode T1-T4 and integrated transporting discharging A1-A2 export soil moisture sensor 2
Amplify processing, wherein the gain amplifier of signal amplification unit is adjusted by slide rheostat R6, then reuses electricity
It hinders R15-R21, capacitor C6-C7 and integrated transporting discharging A3-A5 and carries out low-pass filtering treatment to by amplified voltage signal, from
And improve the precision of the soil moisture detection to agricultural product to be measured.
As above-mentioned further preferential, as shown in figure 4, image processing module 15 includes that image noise reduction unit, image increase
Strong unit, image sharpening unit and image smoothing unit.
Wherein, image capture module 14 is used to acquire the image information of agricultural product to be measured, the output of image capture module 14
End is connect with the input terminal of image noise reduction unit, and the output end of image noise reduction unit and the input terminal of image enhancing unit connect,
The output end of image enhancing unit is connect with the input terminal of image sharpening unit, the output end and image smoothing of image sharpening unit
The input terminal of unit connects, and the output end of image smoothing unit is connect with the input terminal of central processing unit 1.
In above embodiment, the image of 15 pairs of image processing module acquisitions successively carries out image noise reduction, image enhancement, figure
As sharpening, picture smooth treatment, the image information of image capture module 14 can efficiently, be quickly extracted, can be improved to agriculture to be measured
The identification precision of the image of product efficiently reduces erroneous judgement and happens.
Specifically, image capture module 14 is transmitted to the agricultural product image definition to be measured of image processing module 15 for two dimension
Function f (x, y), wherein x, y are space coordinates, and image noise reduction unit carries out image noise reduction processing to image f (x, y), by figure
As the two-dimensional image function after noise reduction process be g (x, y), wherein
。
Specifically, image enhancing unit carries out image definition enhancing processing to image g (x, y), by image definition
Enhancing treated two-dimensional image function is h (x, y), wherein
。
In above embodiment, the purpose of image denoising unit and image intensification unit is to improve image capture module
The quality of the image of 14 acquisitions, removes the noise in image, makes edge clear, improve the interpretability of image.
Specifically, image sharpening unit carries out image sharpening processing to image h (x, y), and by image sharpening, treated
Two-dimensional image function is d (x, y), wherein
。
In above embodiment, the profile of image of the image sharpening unit compensation after image enhancement processing, enhancing figure
The edge of picture and the part of Gray Level Jump, become more fully apparent image.
Specifically, image smoothing unit carries out picture smooth treatment to image d (x, y), after picture smooth treatment
Two-dimensional image function is s (x, y), and smooth function is q (x, y),
；
；
Wherein , ﹡ is convolution symbol,For customized adjustable constant, smooth effect is to pass throughCome what is controlled.
In above embodiment, image smoothing unit will be carried out by image sharpening treated brightness of image it is gentle gradually
Become, reduces mutation gradient, so as to improve picture quality.
Image s (x, y) is transmitted to central processing unit by image smoothing unit.
Specifically, battery 13 is central processing unit 1, soil moisture sensor 2, the first signal processing circuit 3, soil salt
Sub-sensor 4, second signal processing circuit 5, heavy metal-polluted soil detection device 6, soil acidity or alkalinity detection device 7, food safety
Detection device 8, pesticide detection device 9, chemical fertilizer detection device 10, image capture module 14, image processing module 15, wireless transmission
Unit 16, display unit 18, storage unit 19, comparing unit 20, alarm unit 21 and printer 22 provide operating voltage.
Specifically, image capture module is ccd image sensor.
Specifically, central processing unit is 8-bit microprocessor Atmega128.
In above embodiment, it is contemplated that the requirement of cost and process performance, the selection of central processing unit 1 low-power consumption 8 are micro-
Processor Atmega128, the chip hardware is resourceful, has the function of that low-power consumption, more, cheap and powerful etc. are excellent
Point, Atmega128 itself has 128K bytes Flash memory, simultaneous with the eeprom memory of 4K byte, soil moisture
The data that sensor 2 acquires are directly deposited in eeprom memory, and the port ADC inside Atmega128 has 8 channels,
The resolution ratio in every channel is 10bit, and input voltage range is 0 ~ 5V, can satisfy the needs of the touring acquisition of monitoring data, simultaneously
Without AD conversion device is separately added, periphery circuit design is simplified, is reduced costs.
Specifically, display unit is LCD display unit, wherein LCD display unit 20pinLCD1286HZ.
In above embodiment, LCD display unit use 3.3V power voltage supply, in order to microprocessor Atmega128
I/O mouth electrical level match, LCD display unit and the interface of microprocessor Atmega128 are communicated using serial line interface.
Specifically, wireless transmission unit is WiFi module, and WiFi module is VT6656 module.
In above embodiment, wireless transmission unit 16 is WiFi module, and WiFi is most main as a kind of Wireless networking technologies
The advantage wanted is not needing to be routed, and is not limited by wiring condition, therefore is particularly suitable for the needs of mobile office user, WiFi
Module realizes that the remote transmission of data, VT6656 module embed ICP/IP protocol line, reduce design using VT6656 module
Difficulty, while the ability that Atmega128 handles other data is substantially increased, the connection of VT6656 and Atmega128 are very simple
Single, the two can be connected directly by the USB interface of standard, VT6656 module use the 802.11g of 54Mbps standard wirelessly with
Too net access, than fast 5 times based on 802.11b agreement, using fast 40 times of ratio USB1.0 interface of USB2.0 interface highest, new day
Line technology supports more remote accessing wirelessly, supports 821.11g and 802.11b wireless router and the access of all standards
Point supports 64/128/256 WEP encryption, supports superencipherments and the security mechanisms such as WPA/WPA2, WPA-PSK/WPA2-PSK.
As above-mentioned further preferential, as shown in figure 3, soil salinity sensor 4 is for acquiring agricultural product soil to be measured
Salinity information, the soil salt information of acquisition is converted into voltage signal V2, and voltage signal V2 is transmitted to second signal
Processing circuit 5, V3 are by treated the voltage signal of second signal processing circuit 5, and second signal processing circuit 5 includes signal
The output end of amplification module and signal filter module, soil salinity sensor 4 is connect with the input terminal of signal amplification module, signal
The output end of amplification module is connect with the input terminal of signal filter module, the output end and central processing unit 1 of signal filter module
The port ADC connection.
Specifically, signal amplification module includes integrated transporting discharging A6-A8 and resistance R22-R35；
Wherein, the output end of soil salinity sensor 4 is connect with one end of resistance R22, the other end and resistance R23 of resistance R22
One end connection, the other end of resistance R22 also connect with one end of resistance R24, and the other end of resistance R24 is grounded, resistance R23's
The other end is connect with one end of resistance R25, and the other end ground connection of resistance R25, the other end of resistance R23 is also with integrated transporting discharging A6's
Non-inverting input terminal connection, one end ground connection of resistance R26, the other end of resistance R26 are connect with one end of resistance R27, resistance R27's
The other end is connect with the inverting input terminal of integrated transporting discharging A6, and the other end of resistance R26 is also connect with one end of resistance R28, is integrated
The output end of amplifier A6 is connect with one end of resistance R31, the other end of resistance R31 ground connection, the output end of integrated transporting discharging A6 also with
The non-inverting input terminal of integrated transporting discharging A7 connects, one end ground connection of resistance R29, and the other end of resistance R29 is anti-with integrated transporting discharging A7's
The connection of phase input terminal, the other end of resistance R29 are also connect with one end of resistance R30, and the other end of resistance R28 is with resistance R30's
It being connect after the other end is in parallel with the output end of integrated transporting discharging A7, the output end of integrated transporting discharging A7 is also connect with one end of resistance R32,
Resistance R32 other end ground connection, the output end of integrated transporting discharging A7 are also connect with one end of resistance R33, the other end and collection of resistance R33
It is connected at the non-inverting input terminal of amplifier A8, one end of resistance R35 is connect with the inverting input terminal of integrated transporting discharging A8, resistance R35's
The other end is connect with the output end of integrated transporting discharging A8, and one end of resistance R35 is also connect with one end of resistance R34, resistance R34 it is another
One end ground connection.
Specifically, signal filter module includes resistance R36-R42, capacitor C8-C9 and integrated transporting discharging A9-A11；
Wherein, the output end of signal amplification unit is connect with one end of resistance R36, the other end of resistance R36 and the one of resistance R38
It being connect after end is in parallel with the non-inverting input terminal of integrated transporting discharging A9, the other end of resistance R38 is connect with the output end of integrated transporting discharging A9,
One end of resistance R37 is grounded, and is connect after the other end of resistance R37 is in parallel with resistance R42 with the non-inverting input terminal of integrated transporting discharging A9,
The other end of resistance R42 is connect with the output end of integrated transporting discharging A10, the other end of resistance R38 and the output end of integrated transporting discharging A9
It is connect after parallel connection with one end of resistance R39, with integrated transporting discharging A10's after the other end of resistance R39 is in parallel with one end of capacitor C8
Inverting input terminal connection is connect after the other end of capacitor C8 is in parallel with the output end of integrated transporting discharging A10 with one end of resistance R40,
The non-inverting input terminal of integrated transporting discharging A10 is grounded, after the other end of resistance R40 is in parallel with one end of capacitor C9 with integrated transporting discharging A11
Inverting input terminal connection, the non-inverting input terminal ground connection of integrated transporting discharging A11, the other end of capacitor C9 is defeated with integrated transporting discharging A11's
Outlet connection, one end of resistance R41 are connect with the inverting input terminal of integrated transporting discharging A9, the other end and integrated transporting discharging of resistance R41
The output end of A11 connects, and one end of resistance R42 is connect with the non-inverting input terminal of integrated transporting discharging A9, the other end and collection of resistance R42
It is connected at the output end of amplifier A10, the output end of integrated transporting discharging A11 is connect with the port ADC of central processing unit 1, signal processing
Module is by the port ADC of treated voltage signal V3 is transmitted to central processing unit 1.
In above embodiment, the noise of signal processing circuit drifts about within 50nV as 0.4 μ V/ DEG C, integrated transporting discharging A6
For LT1010 low drifting amplifier, integrated transporting discharging A7 is LT1012 high speed amplifier, and integrated transporting discharging A8, A9, A10 and A11 are
LT1097 amplifier, since direct current offset and the drift of integrated transporting discharging A6 will not influence the overall offset of circuit, so that electric
There are extremely low offset and drift in road.
The resistance value of resistance R22 is 75 Ω, and the resistance value of resistance R23 is 1.5K Ω, and the resistance value of resistance R24 is 75 Ω, resistance R25
Resistance value be 75 Ω, the resistance value of resistance R26 is 75 Ω, and the resistance value of R27 is 300 Ω, and the resistance value of resistance R28 is 3.4K Ω, resistance
The resistance value of R29 is 250 Ω, and the resistance value of resistance R30 is 750 Ω, and the resistance value of resistance R31 is 681 Ω, and the resistance value of resistance R32 is 1K
The resistance value of Ω, resistance R33 are 1K Ω, and the resistance value of resistance R34 is 750 Ω, and the resistance value of resistance R35 is 750 Ω, the resistance of resistance R36
Value is 1.7K Ω, and the resistance value of resistance R37 is 4.7K Ω, and the resistance value of resistance R38 is 10K Ω, and the resistance value of resistance R39 is 5K Ω, electricity
The resistance value for hindering R40 is 1K Ω, and the resistance value of resistance R41 is 5K Ω, and the resistance value of resistance R42 is 5K Ω, and the capacitance for holding C8 is
The capacitance of 220pF, capacitor C9 are 470pF.
Since the signal that soil salinity sensor 4 acquires is faint voltage signal, thus signal amplification unit passes through electricity
The voltage V2 that resistance R22-R35 and integrated transporting discharging A6-A8 exports soil salinity sensor 4 amplifies processing, wherein signal
Amplification module is carried out using resistance R36-R42, capacitor C8-C9 and integrated transporting discharging A9-A11 to by amplified voltage signal
Low-pass filtering treatment, to improve the precision of the soil salt detection to agricultural product to be measured.
Specifically, soil moisture sensor 2 acquires the soil moisture signal of agricultural product to be measured, and by the collected soil water
Sub-signal is transmitted to the first signal processing circuit 3, and soil salinity sensor 4 acquires the soil salt signal of agricultural product to be measured, and
Collected soil salt signal is transmitted to second signal processing circuit 5, image capture module 14 is for acquiring agricultural production to be measured
The image information of product, and the image information of collected agricultural product to be measured is transmitted to image processing module 15, at the first signal
Reason circuit 3 will treated soil moisture signal is transmitted to central processing unit 1, second signal processing circuit 5 will treated soil
Earth salt sub-signal is transmitted to central processing unit 1, and heavy metal-polluted soil information is transmitted to central processing by heavy metal-polluted soil detection device 6
Soil acidity or alkalinity information is transmitted to central processing unit 1 by device 1, soil acidity or alkalinity detection device 7, and device for detecting safety of foods 8 will
Agricultural product security information to be measured is transmitted to central processing unit 1, and the pesticide information of agricultural product to be measured is transmitted to by pesticide detection device 9
The chemical fertilizer information of agricultural product to be measured is transported to central processing unit 1, image processing module by central processing unit 1, chemical fertilizer detection device 10
15 will treated that agricultural product image information to be measured is transmitted to central processing unit 1；The agricultural production to be measured that central processing unit 1 will receive
Soil moisture signal, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, the pesticide letter of product
Breath, chemical fertilizer information and image information are transmitted to user mobile phone 17 by wireless transmission unit 16, and central processing unit 1 will receive
The soil moisture signals of agricultural product to be measured, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, safety letter
Breath, pesticide information, chemical fertilizer information and image information are transmitted to display unit 18 and are shown, central processing unit 1 will receive
The soil moisture signals of agricultural product to be measured, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, safety letter
Breath, pesticide information, chemical fertilizer information and image information are transmitted to storage unit 19 and are stored, and central processing unit 1 will receive
The soil moisture signals of agricultural product to be measured, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, safety letter
Breath, pesticide information, chemical fertilizer information and image information are transmitted to printer 22 and carry out data-printing, and central processing unit 1 will receive
The soil moisture signal of the agricultural product to be measured arrived, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, pesticide
Information and chemical fertilizer information are transmitted to comparing unit 20.
Specifically, comparing unit 20 be stored with default soil moisture threshold, soil salt threshold value, heavy metal-polluted soil threshold value,
Soil acidity or alkalinity threshold value, pesticide threshold value and chemical fertilizer threshold value, if the soil moisture for the agricultural product to be measured that comparing unit 20 receives
Any value in signal, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, pesticide information and chemical fertilizer information
Greater than soil moisture threshold, soil salt threshold value, heavy metal-polluted soil threshold value, the soil acidity or alkalinity threshold stored in comparing unit 20
Value, pesticide threshold value and chemical fertilizer threshold value, then 21 alert of alarm unit.
Agricultural product quality provided by the invention monitors system, is believed using central processing unit 1, soil moisture sensor 2, first
Number processing circuit 3, soil salinity sensor 4, second signal processing circuit 5, heavy metal-polluted soil detection device 6, soil acidity or alkalinity
Detection device 7, device for detecting safety of foods 8, pesticide detection device 9, chemical fertilizer detection device 10, solar panel 11, rectification
Voltage regulator circuit 12, battery 13, image capture module 14, image processing module 15, wireless transmission unit 16, user mobile phone 17,
The soil moisture of display unit 18, storage unit 19, comparing unit 20, alarm unit 21 and printer 22 to agricultural product to be measured
Signal, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information with
And image information is monitored, and in conjunction with the technologies such as sensor and wireless communication, realizes the soil moisture letter to agricultural product to be measured
Number, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and
The real-time detection of image information, precisely record and long-range monitoring, staff can be directly acquired to be measured by user mobile phone 17
The soil moisture signal of agricultural product, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide
Information, chemical fertilizer information and image information, people can also know the soil of the agricultural product to be measured monitored by display unit 18
Earth moisture signal, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer
Information and image information, structure is simple, versatility is good, integrated level is high, low in cost, real-time is good, detection accuracy is high, easy
In maintenance, intelligent high, scalability is good the advantages that, it can be achieved that soil moisture signal, soil salt to agricultural product to be measured are believed
Number, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information carry out from
Dynamic monitoring and long-range monitoring, to the soil moisture signal, soil salt signal, heavy metal-polluted soil information, soil of agricultural product to be measured
Earth pH value information, security information, pesticide information, chemical fertilizer information and the informationization of image information monitoring, intelligent management have
Important role, staff can be known by user mobile phone 17 and display unit 18 agricultural product to be measured soil moisture letter
Number, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and
Image information is can carry out accurate measurements to the quality of agricultural product to be measured.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng
It is described the invention in detail according to embodiment, those skilled in the art should understand that, to technical side of the invention
Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention
Scope of the claims in.
Claims (10)
1. a kind of agricultural product quality monitors system, which is characterized in that the agricultural product quality monitoring system includes central processing unit
(1), soil moisture sensor (2), the first signal processing circuit (3), soil salinity sensor (4), second signal processing circuit
(5), heavy metal-polluted soil detection device (6), soil acidity or alkalinity detection device (7), device for detecting safety of foods (8), Pesticides Testing
Device (9), chemical fertilizer detection device (10), solar panel (11), regulator rectifier circuit (12), battery (13), image are adopted
Collect module (14), image processing module (15), wireless transmission unit (16), user mobile phone (17), display unit (18), storage list
First (19), comparing unit (20), alarm unit (21) and printer (22)；
Wherein, the output end of the soil moisture sensor (2) is connect with the input terminal of first signal processing circuit (3),
The output end of the soil salinity sensor (4) is connect with the input terminal of the second signal processing circuit (5), the solar energy
The output end of solar panel (11) is connect with the input terminal of the regulator rectifier circuit (12), the regulator rectifier circuit (12) it is defeated
Outlet is connect with the input terminal of the battery (13), and described image acquisition module (14) is used to acquire the image of agricultural product to be measured
The output end of information, described image acquisition module (14) is connect with the input terminal of described image processing module (15), and described first
The output end of signal processing circuit (3), the output end of the second signal processing circuit (5), heavy metal-polluted soil detection dress
Set the output of the output end of (6), the output end of the soil acidity or alkalinity detection device (7), the device for detecting safety of foods (8)
End, the output end of the pesticide detection device (9), the output end of the chemical fertilizer detection device (10), the battery (13)
Output end and the output end of described image processing module (15) are connect with the input terminal of the central processing unit (1) respectively, institute
State the input terminal of wireless transmission unit (16), the input terminal of the display unit (18), the storage unit (19) input terminal,
The input terminal of the comparing unit (20) and the input terminal of the printer (22) are defeated with the central processing unit (1) respectively
Outlet connection, the central processing unit (1) pass through the wireless transmission unit (16) and the user mobile phone (17) wireless telecommunications
Connection, the output end of the comparing unit (20) are connect with the input terminal of the alarm unit (21).
2. agricultural product quality according to claim 1 monitors system, which is characterized in that the soil moisture sensor (2)
For monitoring the soil moisture information of agricultural product to be measured, the soil moisture information of acquisition is converted into voltage signal V0, and will be electric
Pressure signal V0 is transmitted to first signal processing circuit (3), and V1 is that treated by first signal processing circuit (3)
Voltage signal, first signal processing circuit (3) include signal amplification unit and signal filter unit, and the soil moisture passes
The output end of sensor (2) is connect with the input terminal of the signal amplification unit, the output end of the signal amplification unit with it is described
The input terminal of signal filter unit connects, the output end of the signal filter unit and the port ADC of the central processing unit (1)
Connection.
3. agricultural product quality according to claim 2 monitors system, which is characterized in that the signal amplification unit includes collection
At amplifier A1-A2, resistance R1-R14, capacitor C1-C5 and triode T1-T4；
Wherein, connect after the output end of the soil moisture sensor (2) is in parallel with one end of resistance R1 with the base stage of triode T1
Connect, one end of resistance R14 is connect with the inverting input terminal of integrated transporting discharging A1, after resistance R1 is in parallel with the other end of resistance R14 with
One end of capacitor C4 connects, and the other end ground connection of capacitor C4, one end of capacitor C5 is connect with the output end of integrated transporting discharging A1, capacitor
It is connect after the other end of C5 is in parallel with one end of resistance R14 with the inverting input terminal of integrated transporting discharging A1, the collector of triode T1
Connect with+15V DC power supply, one end of capacitor C1 ground connection, after the other end of capacitor C2 is in parallel with one end of resistance R2 with three poles
The base stage of pipe T2 connects, and the other end of resistance R2 is connect with the output end of integrated transporting discharging A1, one end of resistance R3 and triode T2
Base stage connection, the other end of resistance R3 connect with -15V DC power supply, one end of resistance R4 and the emitter company of triode T2
It connects, the other end of resistance R4 is connect with -15V DC power supply, and one end of resistance R5 is connect with one end of slide rheostat R6, resistance
The other end of R5 is grounded, the transmitting with triode T3 respectively after the other end of slide rheostat R6 is in parallel with one end of resistance R7
Pole, resistance R7 one end connected with one end of resistance R12, one end of resistance R7 is connect with -15V DC power supply, and resistance R12's is another
It is connect after one end is in parallel with one end of resistance R13 with the output end of integrated transporting discharging A2, the other end of resistance R13 and the one of capacitor C3
It is connect after end is in parallel with the non-inverting input terminal of integrated transporting discharging A1, the other end ground connection of resistance C3, one end of resistance R8 and integrated fortune
Put the inverting input terminal connection of A2, one end of resistance R8 also connect with the collector of triode T4, the other end of resistance R8 and-
The connection of 15V DC power supply, one end of resistance R9 are connect with+15V DC power supply, current collection of the one end of resistance R9 also with triode T1
Pole connection, the other end of resistance R9 are connect with the base stage of triode T4, collector of the other end of resistance R9 also with triode T3
Connection, one end after resistance R10 is in parallel with capacitor C2 are connect with+15V DC power supply, one after resistance R10 is in parallel with capacitor C2
End is also connect with the collector of triode T1, emitter of the other end after resistance R10 is in parallel with capacitor C2 also with triode T4
Connection, the emitter of triode T1 are connect with the base stage of triode T3, current collection of the emitter of triode T1 also with triode T2
Pole connection, one end of resistance R11 are connect with the inverting input terminal of integrated transporting discharging A2, the other end ground connection of resistance R11.
4. agricultural product quality according to claim 3 monitors system, which is characterized in that the signal filter unit includes electricity
Hinder R15-R21, capacitor C6-C7 and integrated transporting discharging A3-A5；
Wherein, the output end of the signal amplification unit is connect with one end of resistance R15, the other end and resistance R17 of resistance R15
One end it is in parallel after connect with the non-inverting input terminal of integrated transporting discharging A3, the other end of resistance R17 and the output end of integrated transporting discharging A3
Connection, one end ground connection of resistance R16, the non-inverting input terminal after the other end of resistance R16 is in parallel with resistance R21 with integrated transporting discharging A3
Connection, the other end of resistance R21 connect with the output end of integrated transporting discharging A4, and the other end of resistance R17 is defeated with integrated transporting discharging A3's
Connect after outlet is in parallel with one end of resistance R18, after the other end of resistance R18 is in parallel with one end of capacitor C6 with integrated transporting discharging A4
Inverting input terminal connection, the other end of capacitor C6 connect with after the parallel connection of the output end of integrated transporting discharging A4 with one end of resistance R19,
The non-inverting input terminal of integrated transporting discharging A4 is grounded, with integrated transporting discharging A5's after the other end of resistance R19 is in parallel with one end of capacitor C7
Inverting input terminal connection, the non-inverting input terminal ground connection of integrated transporting discharging A5, the other end of capacitor C7 and the output end of integrated transporting discharging A5
Connection, one end of resistance R20 are connect with the inverting input terminal of integrated transporting discharging A3, and the other end of resistance R20 is with integrated transporting discharging A5's
Output end connection, one end of resistance R21 are connect with the non-inverting input terminal of integrated transporting discharging A3, the other end of resistance R21 and integrated fortune
The output end connection of A4 is put, the output end of integrated transporting discharging A5 is connect with the port ADC of the central processing unit (1), the signal
Processing unit will treated voltage signal V1 the is transmitted to central processing unit (1) the port ADC.
5. agricultural product quality according to claim 1 monitors system, which is characterized in that described image processing module (15) packet
Include image noise reduction unit, image enhancing unit, image sharpening unit and image smoothing unit；
Wherein, described image acquisition module (14) is used to acquire the image information of agricultural product to be measured, described image acquisition module
(14) output end is connect with the input terminal of described image noise reduction unit, the output end and described image of described image noise reduction unit
The input terminal of enhancement unit connects, and the output end of described image enhancement unit is connect with the input terminal that described image sharpens unit,
The output end that described image sharpens unit is connect with the input terminal of described image smooth unit, the output of described image smooth unit
End is connect with the input terminal of the central processing unit (1).
6. agricultural product quality according to claim 1 monitors system, which is characterized in that the soil salinity sensor (4)
For acquiring the salinity information of agricultural product soil to be measured, the soil salt information of acquisition is converted into voltage signal V2, and will be electric
Pressure signal V2 is transmitted to the second signal processing circuit (5), and V3 is that treated by the second signal processing circuit (5)
Voltage signal, the second signal processing circuit (5) include signal amplification module and signal filter module, and the soil salt passes
The output end of sensor (4) is connect with the input terminal of the signal amplification module, the output end of the signal amplification module with it is described
The input terminal of signal filter module connects, the output end of the signal filter module and the port ADC of the central processing unit (1)
Connection.
7. agricultural product quality according to claim 6 monitors system, which is characterized in that the signal amplification module includes collection
At amplifier A6-A8 and resistance R22-R35；
Wherein, the output end of the soil salinity sensor (4) is connect with one end of resistance R22, the other end and electricity of resistance R22
One end connection of R23 is hindered, the other end of resistance R22 is also connect with one end of resistance R24, the other end ground connection of resistance R24, resistance
The other end of R23 is connect with one end of resistance R25, the other end of resistance R25 ground connection, the other end of resistance R23 also with integrated fortune
The non-inverting input terminal connection of A6, one end ground connection of resistance R26 are put, the other end of resistance R26 is connect with one end of resistance R27, electricity
The other end of resistance R27 is connect with the inverting input terminal of integrated transporting discharging A6, and the other end of resistance R26 also connects with one end of resistance R28
It connects, the output end of integrated transporting discharging A6 is connect with one end of resistance R31, the other end ground connection of resistance R31, the output of integrated transporting discharging A6
End is also connect with the non-inverting input terminal of integrated transporting discharging A7, one end ground connection of resistance R29, the other end and integrated transporting discharging of resistance R29
The inverting input terminal of A7 connects, and the other end of resistance R29 is also connect with one end of resistance R30, the other end and resistance of resistance R28
It is connect after the other end of R30 is in parallel with the output end of integrated transporting discharging A7, the one end of the output end of integrated transporting discharging A7 also with resistance R32
Connection, resistance R32 other end ground connection, the output end of integrated transporting discharging A7 are also connect with one end of resistance R33, and resistance R33's is another
End is connect with the non-inverting input terminal of integrated transporting discharging A8, and one end of resistance R35 is connect with the inverting input terminal of integrated transporting discharging A8, resistance
The other end of R35 is connect with the output end of integrated transporting discharging A8, and one end of resistance R35 is also connect with one end of resistance R34, resistance
The other end of R34 is grounded.
8. agricultural product quality according to claim 7 monitors system, which is characterized in that the signal filter module includes electricity
Hinder R36-R42, capacitor C8-C9 and integrated transporting discharging A9-A11；
Wherein, the output end of the signal amplification unit is connect with one end of resistance R36, the other end and resistance R38 of resistance R36
One end it is in parallel after connect with the non-inverting input terminal of integrated transporting discharging A9, the other end of resistance R38 and the output end of integrated transporting discharging A9
Connection, one end ground connection of resistance R37, the non-inverting input terminal after the other end of resistance R37 is in parallel with resistance R42 with integrated transporting discharging A9
Connection, the other end of resistance R42 connect with the output end of integrated transporting discharging A10, and the other end of resistance R38 is defeated with integrated transporting discharging A9's
Connect after outlet is in parallel with one end of resistance R39, after the other end of resistance R39 is in parallel with one end of capacitor C8 with integrated transporting discharging
The inverting input terminal of A10 connects, one end after the other end of capacitor C8 is in parallel with the output end of integrated transporting discharging A10 with resistance R40
Connection, the non-inverting input terminal ground connection of integrated transporting discharging A10, is transported after the other end of resistance R40 is in parallel with one end of capacitor C9 with integrated
Put the inverting input terminal connection of A11, the non-inverting input terminal ground connection of integrated transporting discharging A11, the other end and integrated transporting discharging A11 of capacitor C9
Output end connection, one end of resistance R41 connect with the inverting input terminal of integrated transporting discharging A9, the other end of resistance R41 with integrate
The output end of amplifier A11 connects, and one end of resistance R42 is connect with the non-inverting input terminal of integrated transporting discharging A9, the other end of resistance R42
It is connect with the output end of integrated transporting discharging A10, the port ADC of the output end of integrated transporting discharging A11 and the central processing unit (1) connects
Connect, the signal processing module will treated voltage signal V3 the is transmitted to central processing unit (1) the port ADC.
9. agricultural product quality described in -8 any claims monitors system according to claim 1, which is characterized in that the soil
Moisture transducer (2) acquires the soil moisture signal of agricultural product to be measured, and collected soil moisture signal is transmitted to described
First signal processing circuit (3), the soil salinity sensor (4) acquire the soil salt signal of agricultural product to be measured, and will adopt
The soil salt signal collected is transmitted to the second signal processing circuit (5), and described image acquisition module (14) is for acquiring
The image information of agricultural product to be measured, and the image information of collected agricultural product to be measured is transmitted to described image processing module
(15), by treated, soil moisture signal is transmitted to the central processing unit (1) to first signal processing circuit (3), institute
Stating second signal processing circuit (5), soil salt signal is transmitted to the central processing unit (1) by treated, the soil weight
Heavy metal-polluted soil information is transmitted to the central processing unit (1) by metal detection device (6), the soil acidity or alkalinity detection device
(7) soil acidity or alkalinity information is transmitted to the central processing unit (1), the device for detecting safety of foods (8) is by agricultural production to be measured
Product security information is transmitted to the central processing unit (1), and the pesticide detection device (9) passes the pesticide information of agricultural product to be measured
It transports to the central processing unit (1), the chemical fertilizer information of agricultural product to be measured is transported to the center by the chemical fertilizer detection device (10)
Processor (1), by treated, agricultural product image information to be measured is transmitted to the central processing to described image processing module (15)
Device (1)；The central processing unit (1) is by the soil moisture signal, soil salt signal, soil weight of the agricultural product to be measured received
Metal information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer information and image information pass through the wireless biography
Defeated unit (16) is transmitted to the user mobile phone (17), and the central processing unit (1) is by the soil of the agricultural product to be measured received
Moisture signal, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide information, chemical fertilizer letter
Breath and image information are transmitted to the display unit (18) and are shown, the central processing unit (1) is to be measured by what is received
The soil moisture signal of agricultural product, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, security information, pesticide
Information, chemical fertilizer information and image information are transmitted to the storage unit (19) and are stored, and the central processing unit (1) will connect
The soil moisture signal of the agricultural product to be measured received, soil salt signal, heavy metal-polluted soil information, soil acidity or alkalinity information, peace
Full information, pesticide information, chemical fertilizer information and image information are transmitted to the printer (22) and carry out data-printing, the center
Processor (1) is by the soil moisture signal, soil salt signal, heavy metal-polluted soil information, soil of the agricultural product to be measured received
PH value information, pesticide information and chemical fertilizer information are transmitted to the comparing unit (20).
10. agricultural product quality according to claim 9 monitors system, which is characterized in that the comparing unit (20) is stored with pre-
If soil moisture threshold, soil salt threshold value, heavy metal-polluted soil threshold value, soil acidity or alkalinity threshold value, pesticide threshold value and chemical fertilizer threshold
Value, if the soil moisture signal for the agricultural product to be measured that the comparing unit (20) receives, soil salt signal, heavy metal-polluted soil
Any value is greater than storage in the comparing unit (20) in information, soil acidity or alkalinity information, pesticide information and chemical fertilizer information
Soil moisture threshold, soil salt threshold value, heavy metal-polluted soil threshold value, soil acidity or alkalinity threshold value, pesticide threshold value and chemical fertilizer threshold value,
Then alarm unit (21) alert.
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| CN113049776A (en) * | 2021-03-09 | 2021-06-29 | 山东省畜牧总站(山东省种畜禽质量测定站) | Livestock product quality monitoring system |
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