CN109644837A - An intelligent irrigation decision-making system for hilly and mountainous orchards based on the Internet of Things - Google Patents
An intelligent irrigation decision-making system for hilly and mountainous orchards based on the Internet of Things Download PDFInfo
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- 238000003973 irrigation Methods 0.000 title claims abstract description 61
- 230000002262 irrigation Effects 0.000 title claims abstract description 61
- 239000002420 orchard Substances 0.000 title claims abstract description 49
- 238000012545 processing Methods 0.000 claims abstract description 123
- 239000002689 soil Substances 0.000 claims abstract description 49
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 35
- 238000012544 monitoring process Methods 0.000 claims abstract description 35
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 14
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims description 86
- 230000003321 amplification Effects 0.000 claims description 22
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 22
- 238000003707 image sharpening Methods 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 18
- 230000002708 enhancing effect Effects 0.000 claims description 13
- 238000003706 image smoothing Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000005192 partition Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The present invention provides a kind of hilly and mountainous land orchard intelligent irrigation decision system based on Internet of Things, utilize central processing unit, humidity sensor, signal processing circuit, temperature sensor, carbon dioxide sensor, image capture module, image processing module, comparison module, irrigate module, display and long-range monitoring side are to the soil moisture in each region in hilly and mountainous land orchard, temperature and gas concentration lwevel, fruit tree image is monitored, the soil moisture in the region Nei Ge of hilly and mountainous land orchard can be known in real time, temperature and gas concentration lwevel and fruit tree image, the soil moisture in each region is compared with the soil moisture threshold value in corresponding region by comparison module, to realize Precision Irrigation, at the same time, fruit tree image can also be known in real time by image capture module, to be monitored to fruit tree growth process, according to The height partition testing region of hilly and mountainous land can not only carry out Precision Irrigation to the fruit tree in hilly and mountainous land, moreover it is possible to save cost.
Description
Technical field
The present invention relates to intelligence test fields more particularly to a kind of hilly and mountainous land orchard intelligent irrigation based on Internet of Things to determine
Plan system.
Background technique
Irrigation refers to is irrigated the fields with water, mainly includes the modes such as flood irrigation, sprinkling irrigation, microspray irrigation, trickle irrigation.Since China's freshwater resources lack
Weary, therefore, fruit tree advocates water-saving irrigation when irrigating, and obtains maximum yield or income with the water consumption of bottom line.
In the prior art, common irrigation method is to install humidity sensor in the soil, compares humidity data
With soil optimum humidity, it is determined whether need to irrigate or irrigate stopping.The above method is closed for demand difference of the plant to water
Reason design, rational utilization of water resources avoid the waste of water resource；Meanwhile the humidity of soil is accurately reflected by humidity sensor,
Make when irrigating plant, has a reasonable measurement, avoid the waste of water resource again.
But in the complicated landform of hilly and mountainous land, the humidity difference of soil is larger, if in the soil under every fruit tree
Humidity sensor is installed, not only cost is larger, but also be easy to cause the load of central processing unit excessive.
Summary of the invention
Therefore, to solve the above-mentioned problems, the present invention provides a kind of hilly and mountainous land orchard intelligent irrigation based on Internet of Things
Decision system, using central processing unit, humidity sensor, signal processing circuit, temperature sensor, carbon dioxide sensor,
Image capture module, comparison module, irrigates module, display and long-range monitoring side to hilly and mountainous land fruit at image processing module
The soil moisture in each region, temperature and gas concentration lwevel, fruit tree image in garden are monitored, and can be known in real time
Soil moisture, temperature and gas concentration lwevel and fruit tree image in hilly and mountainous land orchard in each region, and pass through comparison
Soil moisture in each region is compared by module with the soil moisture threshold value in corresponding region, to realize Precision Irrigation,
At the same time, fruit tree image can also be known by image capture module in real time, to be monitored to fruit tree growth process.
A kind of hilly and mountainous land orchard intelligent irrigation decision system based on Internet of Things according to the present invention comprising centre
Manage device, humidity sensor, signal processing circuit, temperature sensor, carbon dioxide sensor, image capture module, at image
It manages module, comparison module, irrigate module, display and long-range monitoring side.
Wherein, the output end of humidity sensor and the input terminal of signal processing circuit connect, the output of signal processing circuit
End is connect with the input terminal of central processing unit, and the output end of temperature sensor and the input terminal of central processing unit connect, and two
The input terminal of the output end and central processing unit that aoxidize carbon sensor connects, the output end and image procossing of image capture module
The input terminal of module connects, and the output end of image processing module and the input terminal of central processing unit connect, the input of display
End is connect with the output end of central processing unit, and the input terminal of comparison module and the output end of central processing unit connect, and is compared
The output end of module is connect with the input terminal for irrigating module, and central processing unit is connect with long-range monitoring side wireless telecommunications.
Hilly and mountainous land orchard is divided into several regions by geopotentia, is provided with independent irrigation dress in each region
It sets, humidity sensor is arranged in the soil in each region, wet for monitoring soil moisture in region, and by what is monitored
Degree information is transmitted to signal processing circuit, and signal processing circuit successively carries out signal amplification and signal to the moisture signal received
Central processing unit is transmitted to after filtering processing, each region humidity signal received is transmitted to by central processing unit
Comparison module, soil moisture threshold value corresponding with divided several regions is provided in comparison module, and comparison module will receive
Moisture signal be compared with soil moisture threshold value corresponding to the region, if moisture signal be less than the region corresponding to soil
Earth humidity threshold, then comparison module sends a control signal to irrigation module, irrigates module and controls the independent irrigation in the region
Device irrigates the region, if moisture signal is greater than soil moisture threshold value corresponding to the region, comparison module is sent
Control signal controls the stopping of the independent irrigation rig in the region and irrigates the region to module, irrigation module is irrigated,
Temperature sensor is set in each region, and for monitoring the temperature in region, carbon dioxide sensor is set to each
In region, for monitoring the gas concentration lwevel in region, image capture module is for monitoring fruit tree in each region
Image information.
Preferably, humidity sensor is arranged in the soil in each region, for monitoring soil moisture in region
The moisture signal of acquisition is converted to voltage signal V0, and voltage signal V0 is transmitted to signal processing circuit by signal, and V1 is warp
Cross signal processing circuit treated voltage signal, signal processing circuit includes signal amplification unit and signal filter unit, wet
The input terminal of the output end and signal amplification unit of spending sensor connects, the output end and signal filter unit of signal amplification unit
Input terminal connection, the port ADC of the output end of signal filter unit and central processing unit connects.
Preferably, signal amplification unit includes integrated transporting discharging A1-A3, resistance R1-R3, R5-R7, R9-R10, R12-R14
And slide rheostat R4, R8, R11.
Wherein, the output end of humidity sensor is connect with one end of resistance R1, the other end and integrated transporting discharging A1 of resistance R1
Non-inverting input terminal connection, one end of resistance R2 connect with the inverting input terminal of integrated transporting discharging A1, the other end and collection of resistance R2
It is connected at the output end of amplifier A1, one end of resistance R5 is connect with the output end of integrated transporting discharging A2, the other end and collection of resistance R5
It is connected at the inverting input terminal of amplifier A2, the non-inverting input terminal ground connection of integrated transporting discharging A2, one end of resistance R5 and the one of resistance R9
End connection, the other end of resistance R5 are connect with one end of slide rheostat R4, and the other end of slide rheostat R4 is with resistance R3's
One end connection, the other end of resistance R3 are connect with one end of resistance R2, and the other end of resistance R2 is also connect with one end of resistance R6,
One end of slide rheostat R11 is grounded, and the other end of slide rheostat R11 is connect with one end of resistance R10, and resistance R10's is another
One end is connect with the other end of resistance R9, and the other end of resistance R10 is also connect with one end of slide rheostat R8, slide rheostat
One end of R8 is connect with the non-inverting input terminal of integrated transporting discharging A3, and the reverse phase of the other end and integrated transporting discharging A3 of slide rheostat R8 is defeated
Enter end connection, the other end of slide rheostat R8 also connect with one end of resistance R7, and the other end of resistance R7 is another with resistance R6's
One end connection, the other end of resistance R7 are also connect with one end of resistance R12, one end of resistance R13 and the output of integrated transporting discharging A3
End connection, the other end of resistance R13 are connect with the other end of resistance R12, one end of resistance R14 and the output end of integrated transporting discharging A3
Connection, the other end of resistance R14 are connect with the input terminal of signal filter unit.
Preferably, signal filter unit includes resistance R15-R21, capacitor C1-C2 and integrated transporting discharging A4-A6.
Wherein, the output end of 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 A4, the other end of resistance R17 and the output end of integrated transporting discharging A4
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 A4
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 A4'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 C1 with integrated transporting discharging A5
Inverting input terminal connection, the other end of capacitor C1 connect with after the parallel connection of the output end of integrated transporting discharging A5 with one end of resistance R19,
The non-inverting input terminal of integrated transporting discharging A5 is grounded, with integrated transporting discharging A6's after the other end of resistance R19 is in parallel with one end of capacitor C2
Inverting input terminal connection, the non-inverting input terminal ground connection of integrated transporting discharging A6, the other end of capacitor C2 and the output end of integrated transporting discharging A6
Connection, one end of resistance R20 are connect with the inverting input terminal of integrated transporting discharging A4, and the other end of resistance R20 is with integrated transporting discharging A6's
Output end connection, one end of resistance R21 are connect with the non-inverting input terminal of integrated transporting discharging A4, the other end of resistance R21 and integrated fortune
The output end connection of A5 is put, the output end of integrated transporting discharging A6 and the port ADC of central processing unit connect, and signal processing unit will
Treated, and voltage signal V1 is transmitted to the port ADC of central processing unit.
Preferably, image processing module includes image smoothing unit, image sharpening unit, image enhancing unit and figure
As noise reduction unit.
Wherein, image capture module is used to monitor the image information of fruit tree in each region, the output of image capture module
End is connect with the input terminal of image smoothing unit, and the output end of image smoothing unit is connect with the input terminal of image sharpening unit,
The output end of image sharpening unit and the input terminal of image enhancing unit connect, the output end and image noise reduction of image enhancing unit
The input terminal of unit connects, and the output end of image noise reduction unit and the input terminal of central processing unit connect.
It preferably, is two-dimensional function f (x, y) by the image definition that image capture module is transmitted to image processing module,
Wherein x, y are space coordinates, and image smoothing unit carries out picture smooth treatment to image f (x, y), after picture smooth treatment
Two-dimensional image function be g (x, y), smooth function be q (x, y), wherein
；
；
Wherein , ﹡ is convolution symbol,, a be customized adjustable constant, smooth effect is to pass throughIt is controlled with a.
Preferably, image sharpening unit carries out image sharpening processing to image g (x, y), after image sharpening is handled
Two-dimensional image function be h (x, y), wherein
。
Preferably, image enhancing unit carries out image definition enhancing processing to image h (x, y), by image enhancement
Treated, and two-dimensional image function is d (x, y), wherein
。
Preferably, image noise reduction unit carries out image noise reduction processing to image d (x, y), after image noise reduction is handled
Two-dimensional image function be s (x, y),
；
Image s (x, y) is transmitted to central processing unit by image noise reduction unit.
Preferably, the hilly and mountainous land orchard intelligent irrigation decision system based on Internet of Things further includes power module, power supply
Module provides electric power support for the hilly and mountainous land orchard intelligent irrigation decision system based on Internet of Things, wherein power module is too
Positive energy power module.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) the hilly and mountainous land orchard intelligent irrigation decision system provided by the invention based on Internet of Things, using central processing unit,
Humidity sensor, signal processing circuit, temperature sensor, carbon dioxide sensor, image capture module, image processing module,
Comparison module, irrigate module, display and long-range monitoring side in each region in hilly and mountainous land orchard soil moisture,
Temperature and gas concentration lwevel, fruit tree image are monitored, and can be known in real time in hilly and mountainous land orchard in each region
Soil moisture, temperature and gas concentration lwevel and fruit tree image, and pass through comparison module for the soil moisture in each region
It is compared with the soil moisture threshold value in corresponding region, to realize Precision Irrigation, at the same time, also by image capture module
It can know fruit tree image, in real time to be monitored to fruit tree growth process, wherein according to the height partition testing area of hilly and mountainous land
Domain can not only carry out Precision Irrigation to the fruit tree in hilly and mountainous land, moreover it is possible to save cost.
(2) the hilly and mountainous land orchard intelligent irrigation decision system provided by the invention based on Internet of Things, image processing module
Image smoothing, image sharpening, image enhancement, image noise reduction processing are successively carried out to the image of acquisition, can efficiently, quickly be extracted
The identification precision to fruit tree image in hilly and mountainous land orchard can be improved in the image information of image capture module, efficiently reduces mistake
Sentence and happens.
(3) since the signal of humidity sensor acquisition is faint voltage signal, thus signal amplification unit is by integrating
Amplifier A1-A3, resistance R1-R3, R5-R7, R9-R10, R12-R14 and slide rheostat R4, R8, R11 are defeated to humidity sensor
Voltage V0 out amplifies processing, by integrated transporting discharging A1-A3, resistance R1-R3, R5-R7, R9-R10, R12-R14 and sliding
The signal amplification unit that rheostat R4, R8, R11 are constituted only has offset within the drift of 0.5 μ V/ DEG C, 5 μ V, 100pA biased electrical
The noise of 50nV in stream and the broadband 0.1Hz to 10Hz.Wherein, signal filter unit using resistance R15-R21, capacitor C1-C2 with
And integrated transporting discharging A4-A6 carries out low-pass filtering treatment to by amplified voltage signal, to improve the essence of Humidity Detection
Degree.
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 of the hilly and mountainous land orchard intelligent irrigation decision system of the invention based on Internet of Things；
Fig. 2 is the circuit diagram of signal processing circuit of the invention；
Fig. 3 is the schematic diagram of image processing module of the invention.
Appended drawing reference:
1- central processing unit；2- humidity sensor；3- signal processing circuit；4- temperature sensor；5- carbon dioxide sensor；
6- image capture module；7- image processing module；8- comparison module；9- irrigates module；10- display；The long-range monitoring side 11-；
12- power module.
Specific embodiment
The hilly and mountainous land orchard intelligent irrigation to provided by the invention based on Internet of Things is determined with reference to the accompanying drawings and examples
Plan system is described in detail.
As shown in Figure 1, the hilly and mountainous land orchard intelligent irrigation decision system based on Internet of Things include central processing unit 1,
Humidity sensor 2, signal processing circuit 3, temperature sensor 4, carbon dioxide sensor 5, image capture module 6, image procossing
Module 7, comparison module 8 irrigate module 9, display 10 and long-range monitoring side 11.
Wherein, the output end of humidity sensor 2 is connect with the input terminal of signal processing circuit 3, signal processing circuit 3 it is defeated
Outlet is connect with the input terminal of central processing unit 1, and the output end of temperature sensor 4 and the input terminal of central processing unit 1 connect
Connect, the output end of carbon dioxide sensor 5 is connect with the input terminal of central processing unit 1, the output end of image capture module 6 with
The input terminal of image processing module 7 connects, and the output end of image processing module 7 is connect with the input terminal of central processing unit 1, shows
Show that the input terminal of device 10 is connect with the output end of central processing unit 1, input terminal and the central processing unit 1 of comparison module 8
Output end connection, the output end of comparison module 8 are connect with the input terminal for irrigating module 9, central processing unit 1 and long-range monitoring side
11 wireless telecommunications connection.
Hilly and mountainous land orchard is divided into several regions by geopotentia, according to the feature of hilly and mountainous land, generally settable 50
Meter Gao Du is a region, and even hilly and mountainous land is 200 meters high, then can be divided into four regions, and so on；Specific height setting can
According to the concrete condition of hilly and mountainous land, it is manually set by those skilled in the art.
It is provided with independent irrigation rig in each region, humidity sensor 2 is arranged in the soil in each region,
Signal processing circuit 3, signal processing electricity are transmitted to for monitoring soil moisture in region, and by the humidity information monitored
Road 3 is transmitted to central processing unit 1 after successively carrying out signal amplification and signal filtering processing to the moisture signal received, center
Each region humidity signal received is transmitted to comparison module 8 by processing unit 1, is provided in comparison module 8 and institute
The corresponding soil moisture threshold value in point several regions, comparison module 8 is by soil corresponding to the moisture signal received and the region
Earth humidity threshold is compared, if moisture signal is less than soil moisture threshold value corresponding to the region, comparison module 8 sends control
Signal processed is irrigated the independent irrigation rig that module 9 controls in the region and is irrigated the region, if wet to module 9 is irrigated
It spends signal and is greater than soil moisture threshold value corresponding to the region, then comparison module 8, which is sent a control signal to, irrigates module 9, irrigates
Module 9 controls the independent irrigation rig stopping in the region and irrigates the region, and temperature sensor 4 is set to each area
In domain, for monitoring the temperature in region, carbon dioxide sensor 5 is set in each region, for monitoring location
Gas concentration lwevel in domain, image capture module 6 are used to monitor the image information of fruit tree in each region.
In above embodiment, central processing unit 1, humidity sensor 2, signal processing circuit 3, temperature sensor are utilized
4, carbon dioxide sensor 5, image capture module 6, image processing module 7, comparison module 8, irrigate module 9, display 10 with
And long-range monitoring side 11 is to soil moisture, temperature and gas concentration lwevel in each region in hilly and mountainous land orchard, fruit
Tree Image is monitored, and can know soil moisture, temperature and titanium dioxide in hilly and mountainous land orchard in each region in real time
Concentration of carbon and fruit tree image, and pass through comparison module 8 for the soil moisture in the soil moisture and corresponding region in each region
Threshold value is compared, and to realize Precision Irrigation, at the same time, can also know fruit tree image in real time by image capture module 6, with
Fruit tree growth process is monitored, wherein can not only be to hilly and mountainous land according to the height partition testing region of hilly and mountainous land
Interior fruit tree carries out Precision Irrigation, moreover it is possible to save cost.
Long-range monitoring side 11 can be the mobile communication equipments such as the portable mobile phone of staff.
Image capture module 6 can be the fixed image capture device being set in each region, or mobile
Formula image capture device, such as unmanned plane etc..
Where display 10 is set to staff in monitoring room.
Comparison circuit (not shown) corresponding with hilly and mountainous land orchard number of regions is provided in contrast module 8,
Comparison circuit is voltage comparator, the moisture signal in the region that the in-phase end input of voltage comparator receives, voltage ratio
Compared with the default soil moisture threshold value that the reverse side of device inputs the region, if the moisture signal received is less than default soil moisture threshold
Value then exports high level, and triggering irrigates module 9 and carries out Job Operations to the irrigation system in the region, if the humidity received
Signal is greater than default soil moisture threshold value, then exports low level, triggering irrigate module 9 stop to the irrigation system in the region into
Row Job Operations.
As shown in Fig. 2, humidity sensor 2 is arranged in the soil in each region, it is wet for monitoring soil in region
Signal is spent, the moisture signal of acquisition is converted into voltage signal V0, and voltage signal V0 is transmitted to signal processing circuit 3, V1
For by treated the voltage signal of signal processing circuit 3, signal processing circuit 3 includes that signal amplification unit and signal filtering are single
Member, the output end of humidity sensor 2 and the input terminal of signal amplification unit connect, and the output end and signal of signal amplification unit are filtered
The input terminal of wave unit connects, and the output end of signal filter unit is connect with the port ADC of central processing unit 1.
Specifically, signal amplification unit include integrated transporting discharging A1-A3, resistance R1-R3, R5-R7, R9-R10, R12-R14 with
And slide rheostat R4, R8, R11.
Wherein, the output end of humidity sensor 2 is connect with one end of resistance R1, the other end and integrated transporting discharging A1 of resistance R1
Non-inverting input terminal connection, one end of resistance R2 connect with the inverting input terminal of integrated transporting discharging A1, the other end and collection of resistance R2
It is connected at the output end of amplifier A1, one end of resistance R5 is connect with the output end of integrated transporting discharging A2, the other end and collection of resistance R5
It is connected at the inverting input terminal of amplifier A2, the non-inverting input terminal ground connection of integrated transporting discharging A2, one end of resistance R5 and the one of resistance R9
End connection, the other end of resistance R5 are connect with one end of slide rheostat R4, and the other end of slide rheostat R4 is with resistance R3's
One end connection, the other end of resistance R3 are connect with one end of resistance R2, and the other end of resistance R2 is also connect with one end of resistance R6,
One end of slide rheostat R11 is grounded, and the other end of slide rheostat R11 is connect with one end of resistance R10, and resistance R10's is another
One end is connect with the other end of resistance R9, and the other end of resistance R10 is also connect with one end of slide rheostat R8, slide rheostat
One end of R8 is connect with the non-inverting input terminal of integrated transporting discharging A3, and the reverse phase of the other end and integrated transporting discharging A3 of slide rheostat R8 is defeated
Enter end connection, the other end of slide rheostat R8 also connect with one end of resistance R7, and the other end of resistance R7 is another with resistance R6's
One end connection, the other end of resistance R7 are also connect with one end of resistance R12, one end of resistance R13 and the output of integrated transporting discharging A3
End connection, the other end of resistance R13 are connect with the other end of resistance R12, one end of resistance R14 and the output end of integrated transporting discharging A3
Connection, the other end of resistance R14 are connect with the input terminal of signal filter unit.
Specifically, signal filter unit includes resistance R15-R21, capacitor C1-C2 and integrated transporting discharging A4-A6.
Wherein, the output end of 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 A4, the other end of resistance R17 and the output end of integrated transporting discharging A4
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 A4
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 A4'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 C1 with integrated transporting discharging A5
Inverting input terminal connection, the other end of capacitor C1 connect with after the parallel connection of the output end of integrated transporting discharging A5 with one end of resistance R19,
The non-inverting input terminal of integrated transporting discharging A5 is grounded, with integrated transporting discharging A6's after the other end of resistance R19 is in parallel with one end of capacitor C2
Inverting input terminal connection, the non-inverting input terminal ground connection of integrated transporting discharging A6, the other end of capacitor C2 and the output end of integrated transporting discharging A6
Connection, one end of resistance R20 are connect with the inverting input terminal of integrated transporting discharging A4, and the other end of resistance R20 is with integrated transporting discharging A6's
Output end connection, one end of resistance R21 are connect with the non-inverting input terminal of integrated transporting discharging A4, the other end of resistance R21 and integrated fortune
The output end connection of A5 is put, the output end of integrated transporting discharging A6 is connect with the port ADC of central processing unit 1, signal processing unit
By the port ADC of treated voltage signal V1 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 A1
For LT1112 or LT1114 low drifting amplifier, integrated transporting discharging A2 is LT1112 or LT1114 low drifting amplifier, integrated transporting discharging
A3 is LT1097 or LT1114 low drifting amplifier, and integrated transporting discharging A4, A5 and A6 are LT1097 amplifier, due to integrated transporting discharging
The direct current offset of A1-A3 and drift will not influence the overall offset of circuit, so that circuit has extremely low offset and drift
It moves.
Slide rheostat R4 is used for adjust gain, and it is total that slide rheostat R8 and slide rheostat R11 are used to adjustment direct current
Mould inhibits.
The resistance value of resistance R1 is 10K Ω, and the resistance value of resistance R2 is 10K Ω, and the resistance value of resistance R3 is 2.1K Ω, slides variable resistance
Device R4 is the slide rheostat that resistance value is 800 Ω, and the resistance value of resistance R5 is 10K Ω, and the resistance value of R6 is 100 Ω, the resistance of resistance R7
Value is 20K Ω, and slide rheostat R8 is the slide rheostat that resistance value is 1M Ω, and the resistance value of resistance R9 is 100 Ω, resistance R10's
Resistance value is 9.88K Ω, and slide rheostat R11 is the slide rheostat that resistance value is 200 Ω, and the resistance value of resistance R12 is 10K Ω, electricity
The resistance value for hindering R13 is 1K Ω, and the resistance value of resistance R14 is 5.1K Ω, and the resistance value of resistance R15 is 1.7K Ω, and the resistance value of resistance R16 is
The resistance value of 4.7K Ω, resistance R17 are 10K Ω, and the resistance value of resistance R18 is 5K Ω, and the resistance value of resistance R19 is 1K Ω, resistance R20's
Resistance value is 5K Ω, and the resistance value of resistance R21 is 5K Ω, and the capacitance of C1 is 390pF, and the capacitance of capacitor C2 is 470pF.
Since the signal that humidity sensor 2 acquires is faint voltage signal, thus signal amplification unit passes through integrated fortune
It is defeated to humidity sensor 2 to put A1-A3, resistance R1-R3, R5-R7, R9-R10, R12-R14 and slide rheostat R4, R8, R11
Voltage V0 out amplifies processing, by integrated transporting discharging A1-A3, resistance R1-R3, R5-R7, R9-R10, R12-R14 and sliding
The signal amplification unit that rheostat R4, R8, R11 are constituted only has offset within the drift of 0.5 μ V/ DEG C, 5 μ V, 100pA biased electrical
The noise of 50nV in stream and the broadband 0.1Hz to 10Hz.Wherein, signal filter unit using resistance R15-R21, capacitor C1-C2 with
And integrated transporting discharging A4-A6 carries out low-pass filtering treatment to by amplified voltage signal, to improve the essence of Humidity Detection
Degree.
As shown in figure 3, image processing module 7 include image smoothing unit, image sharpening unit, image enhancing unit and
Image noise reduction unit.
Wherein, image capture module 6 is used to monitor the image information of fruit tree in each region, image capture module 6 it is defeated
Outlet is connect with the input terminal of image smoothing unit, and the output end of image smoothing unit and the input terminal of image sharpening unit connect
It connects, the output end of image sharpening unit and the input terminal of image enhancing unit connect, the output end and image of image enhancing unit
The input terminal of noise reduction unit connects, and the output end of image noise reduction unit is connect with the input terminal of central processing unit 1.
In above embodiment, the image of 7 pairs of image processing module acquisitions successively carries out image smoothing, image sharpening, figure
Image intensifying, image noise reduction processing, can efficiently, quickly extract the image information of image capture module 6, can be improved to hilly and mountainous land
The identification precision of fruit tree image in orchard, efficiently reduces erroneous judgement and happens.
The hilly and mountainous land orchard intelligent irrigation decision system provided by the invention based on Internet of Things at runtime, work people
Member knows soil moisture, temperature in each region in hilly and mountainous land orchard by display 10 and long-range monitoring side 11 in real time
And gas concentration lwevel, fruit tree image, to the environmental information and fruit tree growth information progress reality in hilly and mountainous land orchard
When understand.
It specifically, is two-dimensional function f (x, y) by the image definition that image capture module 6 is transmitted to image processing module 7,
Wherein x, y are space coordinates, and image smoothing unit carries out picture smooth treatment to image f (x, y), after picture smooth treatment
Two-dimensional image function be g (x, y), smooth function be q (x, y), wherein
；
；
Wherein , ﹡ is convolution symbol,, a be customized adjustable constant, smooth effect is to pass throughIt is controlled with a.
In above embodiment, the purpose of image smoothing unit is the matter in order to improve the image of the acquisition of image capture module 6
Amount, the brightness of image that image capture module 6 is acquired carry out gentle gradual change, reduce mutation gradient, so as to improve picture quality.
Specifically, image sharpening unit carries out image sharpening processing to image g (x, y), and by image sharpening, treated
Two-dimensional image function is h (x, y), wherein
。
In above embodiment, the profile of image of the image sharpening unit compensation after picture smooth treatment, enhancing figure
The edge of picture and the part of Gray Level Jump, become more fully apparent image.
Specifically, image enhancing unit carries out image definition enhancing processing to image h (x, y), at image enhancement
Two-dimensional image function after reason is d (x, y), wherein
。
In above embodiment, the purpose of image intensification unit is to improve the image after image sharpening cell processing
Quality removes the noise in image, makes edge clear, improve the interpretability of image.
Specifically, image noise reduction unit carries out image noise reduction processing to image d (x, y), and by image noise reduction, treated
Two-dimensional image function is s (x, y),
；
Image s (x, y) is transmitted to central processing unit 1 by image noise reduction unit.
Staff can intuitively obtain the image information of fruit tree on display 11, to realize the growth information to fruit tree
Real-time monitoring is carried out, the default soil moisture threshold value in each region in contrast module 8 can be adjusted according to fruit tree growth state
Size.
Specifically, the hilly and mountainous land orchard intelligent irrigation decision system based on Internet of Things further includes power module 12, power supply
Module 12 provides electric power support for the hilly and mountainous land orchard intelligent irrigation decision system based on Internet of Things, wherein power module 12
For solar-electricity source module.
In the present embodiment, the hilly and mountainous land orchard intelligent irrigation decision system provided by the invention based on Internet of Things is based on
CC2430 chip, it combines a high-performance 2.4GHzDSSS(Direct Sequence Spread Spectrum) RF transceiver core and 128K
Humidity sensor 2, temperature sensor 4 and carbon dioxide sensor 5 are all connected to CC2430 chip by flash storage, this system
Upper (wherein, humidity sensor 2 is connected on CC2430 chip by signal processing circuit 3), so that sensor node is with more
The function of kind variable, can sample a variety of sensing datas, and send simultaneously.
CC2430 chip further includes an ECP Extended Capabilities Port, facilitates the other sensors needed for increasing.
Such as optical sensor can be increased, and optical sensor is set in each region in hilly and mountainous land orchard,
The output end of optical sensor is connect with the input terminal of central processing unit 1, and optical sensor is for monitoring hilly and mountainous land orchard
Each region in Lighting information for another example can increase weather monitoring class sensor, weather monitoring class sensor is for detecting
Weather information in each region in hilly and mountainous land orchard, output end and the central processing unit 1 of weather monitoring class sensor
Input terminal connection, additionally it is possible to increase the pest and disease damage situation in the test such as pest and disease monitoring class sensor hilly and mountainous land orchard.
CC2430 chip further includes a USB interface, and Zigbee protocol stack is burnt to CC2430 chip by the USB interface
After flash storage, reset chip, CC2430 chip brings into operation Zigbee protocol stack, and it is entire that protocol stack first participates in node
Then the foundation and configuration of network, CC2430 chip read in the measured value of sensor, and send data to radio-frequency module, logical
It crosses antenna and is sent to long-range monitoring side 11, specifically, data will finally be counted by the network transmission of multi-hop to coordinator, coordinator
According to being transmitted to long-range monitoring side 11.
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 hilly and mountainous land orchard intelligent irrigation decision system based on Internet of Things, which is characterized in that described to be based on Internet of Things
Hilly and mountainous land orchard intelligent irrigation decision system include central processing unit (1), humidity sensor (2), signal processing circuit
(3), temperature sensor (4), carbon dioxide sensor (5), image capture module (6), image processing module (7), comparison module
(8), module (9), display (10) and long-range monitoring side (11) are irrigated；
Wherein, the output end of the humidity sensor (2) is connect with the input terminal of the signal processing circuit (3), the signal
The output end of processing circuit (3) is connect with the input terminal of the central processing unit (1), the output of the temperature sensor (4)
End is connect with the input terminal of the central processing unit (1), the output end of the carbon dioxide sensor (5) and the centre
Manage the input terminal connection of device (1), the output end of described image acquisition module (6) and the input of described image processing module (7)
End connection, the output end of described image processing module (7) are connect with the input terminal of the central processing unit (1), the display
The input terminal of device (10) is connect with the output end of the central processing unit (1), the input terminal of the comparison module (8) with it is described
The output end of central processing unit (1) connects, the output end of the comparison module (8) and the input terminal for irrigating module (9)
Connection, the central processing unit (1) connect with long-range monitoring side (11) wireless telecommunications；
Hilly and mountainous land orchard is divided into several regions by geopotentia, is provided with independent irrigation rig in each region,
The humidity sensor (2) is arranged in the soil in each region, for monitoring soil moisture in region, and will monitor
Humidity information be transmitted to the signal processing circuit (3), the signal processing circuit (3) to the moisture signal received successively
It is transmitted to the central processing unit (1) after carrying out signal amplification and signal filtering processing, the central processing unit (1) will connect
Each region humidity signal received is transmitted to the comparison module (8), is provided with and is divided in the comparison module (8)
The corresponding soil moisture threshold value in several regions, the comparison module (8) will be corresponding to the moisture signal that received and the regions
Soil moisture threshold value be compared, if moisture signal be less than the region corresponding to soil moisture threshold value, the comparison mould
Block (8) sends a control signal to the irrigation module (9), and irrigation module (9) controls the dress of the independent irrigation in the region
It sets and the region is irrigated, if moisture signal is greater than soil moisture threshold value corresponding to the region, the comparison module (8)
The irrigation module (9) is sent a control signal to, irrigation module (9) controls the stopping of the independent irrigation rig in the region
The region to be irrigated, the temperature sensor (4) is set in each region, for monitoring the temperature in region,
The carbon dioxide sensor (5) is set in each region, for monitoring the gas concentration lwevel in region, the figure
As acquisition module (6) are used to monitor the image information of fruit tree in each region.
2. the hilly and mountainous land orchard intelligent irrigation decision system according to claim 1 based on Internet of Things, which is characterized in that
The humidity sensor (2) is arranged in the soil in each region, for monitoring humidity signal in region, will acquire
Moisture signal be converted to voltage signal V0, and voltage signal V0 is transmitted to the signal processing circuit (3), V1 is by institute
Signal processing circuit (3) is stated treated voltage signal, the signal processing circuit (3) includes signal amplification unit and signal filter
The output end of wave unit, the humidity sensor (2) is connect with the input terminal of the signal amplification unit, and the signal amplification is single
The output end of member is connect with the input terminal of the signal filter unit, the output end of the signal filter unit and the centre
Manage the port the ADC connection of device (1).
3. the hilly and mountainous land orchard intelligent irrigation decision system according to claim 2 based on Internet of Things, which is characterized in that
The signal amplification unit includes integrated transporting discharging A1-A3, resistance R1-R3, R5-R7, R9-R10, R12-R14 and sliding variable resistance
Device R4, R8, R11；
Wherein, the output end of the humidity sensor (2) is connect with one end of resistance R1, the other end and integrated transporting discharging of resistance R1
The non-inverting input terminal of A1 connects, and one end of resistance R2 is connect with the inverting input terminal of integrated transporting discharging A1, the other end of resistance R2 and
The output end of integrated transporting discharging A1 connects, and one end of resistance R5 is connect with the output end of integrated transporting discharging A2, the other end of resistance R5 and
The inverting input terminal of integrated transporting discharging A2 connects, and the non-inverting input terminal ground connection of integrated transporting discharging A2, one end of resistance R5 is with resistance R9's
One end connection, the other end of resistance R5 are connect with one end of slide rheostat R4, the other end and resistance R3 of slide rheostat R4
One end connection, the other end of resistance R3 connect with one end of resistance R2, the other end of resistance R2 also with one end of resistance R6 company
It connects, one end ground connection of slide rheostat R11, the other end of slide rheostat R11 is connect with one end of resistance R10, resistance R10's
The other end is connect with the other end of resistance R9, and the other end of resistance R10 is also connect with one end of slide rheostat R8, slides variable resistance
One end of device R8 is connect with the non-inverting input terminal of integrated transporting discharging A3, the other end of slide rheostat R8 and the reverse phase of integrated transporting discharging A3
Input terminal connection, the other end of slide rheostat R8 are also connect with one end of resistance R7, and the other end of resistance R7 is with resistance R6's
Other end connection, the other end of resistance R7 also connect with one end of resistance R12, and one end of resistance R13 is defeated with integrated transporting discharging A3's
Outlet connection, the other end of resistance R13 are connect with the other end of resistance R12, one end of resistance R14 and the output of integrated transporting discharging A3
End connection, the other end of resistance R14 are connect with the input terminal of the signal filter unit.
4. the hilly and mountainous land orchard intelligent irrigation decision system according to claim 3 based on Internet of Things, which is characterized in that
The signal filter unit includes resistance R15-R21, capacitor C1-C2 and integrated transporting discharging A4-A6；
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 A4, the other end of resistance R17 and the output end of integrated transporting discharging A4
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 A4
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 A4'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 C1 with integrated transporting discharging A5
Inverting input terminal connection, the other end of capacitor C1 connect with after the parallel connection of the output end of integrated transporting discharging A5 with one end of resistance R19,
The non-inverting input terminal of integrated transporting discharging A5 is grounded, with integrated transporting discharging A6's after the other end of resistance R19 is in parallel with one end of capacitor C2
Inverting input terminal connection, the non-inverting input terminal ground connection of integrated transporting discharging A6, the other end of capacitor C2 and the output end of integrated transporting discharging A6
Connection, one end of resistance R20 are connect with the inverting input terminal of integrated transporting discharging A4, and the other end of resistance R20 is with integrated transporting discharging A6's
Output end connection, one end of resistance R21 are connect with the non-inverting input terminal of integrated transporting discharging A4, the other end of resistance R21 and integrated fortune
The output end connection of A5 is put, the output end of integrated transporting discharging A6 is connect with the port ADC of the central processing unit (1), the letter
Number processing unit will treated voltage signal V1 the is transmitted to central processing unit (1) the port ADC.
5. the hilly and mountainous land orchard intelligent irrigation decision system according to claim 1 based on Internet of Things, which is characterized in that
Described image processing module (7) includes image smoothing unit, image sharpening unit, image enhancing unit and image noise reduction list
Member；
Wherein, described image acquisition module (6) is used to monitor the image information of fruit tree in each region, described image acquisition module
(6) output end is connect with the input terminal of described image smooth unit, the output end and described image of described image smooth unit
The input terminal connection of unit is sharpened, the output end that described image sharpens unit is connect with the input terminal of described image enhancement unit,
The output end of described image enhancement unit is connect with the input terminal of described image noise reduction unit, the output of described image noise reduction unit
End is connect with the input terminal of the central processing unit (1).
6. the hilly and mountainous land orchard intelligent irrigation decision system according to claim 5 based on Internet of Things, which is characterized in that
It is two-dimensional function f (x, y) by the image definition that described image acquisition module (6) is transmitted to described image processing module (7),
Middle x, y are space coordinates, and described image smooth unit carries out picture smooth treatment to image f (x, y), by picture smooth treatment
Two-dimensional image function afterwards is g (x, y), and smooth function is q (x, y), wherein
；
；
Wherein , ﹡ is convolution symbol,, a be customized adjustable constant, smooth effect is to pass throughIt is controlled with a.
7. the hilly and mountainous land orchard intelligent irrigation decision system according to claim 6 based on Internet of Things, which is characterized in that
Described image sharpens unit and carries out image sharpening processing to image g (x, y), by image sharpening treated two-dimensional image function
For h (x, y), wherein
。
8. the hilly and mountainous land orchard intelligent irrigation decision system according to claim 7 based on Internet of Things, which is characterized in that
Described image enhancement unit carries out image definition enhancing processing to image h (x, y), the image two after image enhancement processing
Tieing up function is d (x, y), wherein
。
9. the hilly and mountainous land orchard intelligent irrigation decision system according to claim 8 based on Internet of Things, which is characterized in that
Described image noise reduction unit carries out image noise reduction processing to image d (x, y), by image noise reduction treated two-dimensional image function
For s (x, y),
；
Described image s (x, y) is transmitted to the central processing unit (1) by described image noise reduction unit.
10. the hilly and mountainous land orchard intelligent irrigation decision system according to claim 1 based on Internet of Things, feature exist
In the hilly and mountainous land orchard intelligent irrigation decision system based on Internet of Things further includes power module (12), the power supply mould
Block (12) provides electric power support for the hilly and mountainous land orchard intelligent irrigation decision system based on Internet of Things, wherein the power supply mould
Block (12) is solar-electricity source module.
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