CN105867477A - ZigBee-based water quality PH value intelligent irrigation control system - Google Patents
ZigBee-based water quality PH value intelligent irrigation control system Download PDFInfo
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- CN105867477A CN105867477A CN201610204415.XA CN201610204415A CN105867477A CN 105867477 A CN105867477 A CN 105867477A CN 201610204415 A CN201610204415 A CN 201610204415A CN 105867477 A CN105867477 A CN 105867477A
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- value
- control terminal
- main control
- water quality
- acid solution
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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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
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The invention discloses a ZigBee-based water quality PH value intelligent irrigation control system. The system comprises multiple water quality PH value intelligent processing devices and multiple soil moisture data acquisition devices, wherein each water quality PH value intelligent processing device takes a CC2530 module as a master control terminal and is in charge of PH value adjustment of irrigation water and irrigation work; each soil moisture data acquisition device is formed by connecting a CC2530 module with a soil moisture detection module and is in charge of transmission work of soil moisture data acquired by the corresponding soil moisture detection module; and all the water quality PH value intelligent processing devices and the soil moisture data acquisition devices in the system are in wireless connection with a ZigBee coordinator through their respective CC2530 modules to form a ZigBeee wireless communication network, and the CC2530 coordinator is connected with a host computer through a serial port, such that communication between the host computer and the water quality PH value intelligent processing devices and the soil moisture data acquisition devices is realized, and automatic, intelligent and network regulation and control of farm land soil PH value irrigation is realized.
Description
Technical field
The invention belongs to agricultural technology of Internet of things field, be specifically related to a kind of water quality pH value intellectuality based on ZigBee and fill
Irrigate control system.
Background technology
Blue berry has the nutritive value of uniqueness, higher economic benefit, is described as " queen in fruit ", international market
Supply falls short of demand.Region, Tianjin constantly expands its cultivated area.
Compared with other fruit trees, blue berry likes soil acid, that the content of organic matter is high and the weather conditions cooled.The life of blue berry
The pH value of soil is especially required higher by length.The pH value of soil is an important factor in blueberry cultivation, blue berry
Growth requires the suitable ratio scope that strongly acidic soil condition, half high clump blue berry and short clump blue berry require P in soil H-number to be 4.0-5.2,
Preferably 4.3-4.8.Meanwhile, blue berry growth is had a significant impact by P in soil H-number with yield, and wherein pH value is too high is to limit
The major reason that blueberry cultivation scope is excessive.When P in soil H-number is more than 5.5, often leads to plant and produce because iron deficiency loses
Green disease, and along with the rising of pH value, chlorosis symptom tends to serious.When pH value is close to time neutral, and all plant are dead.
When P in soil H-number is higher, not only affect the absorption of ferrum, be also easy to cause absorption Na, Ca excess, unfavorable to plant strain growth.
When pH value is less than 4, heavy metal element supply in soil increases, cause Metal uptake excess and be poisoned as (Fe,
Zn, Cu, Mn, Al) etc., cause growth potential weak even dead.
And Tianjin regional soil is many in neutral or meta-alkalescence, blue berry planting soil acid or alkali environment can be improved by irrigation technique,
But for blue berry irrigate Tianjin local ground watering be meta-alkalescence and salinity higher.
Owing to China starts late in water quality online auto monitoring technology, in real work, a large amount of monitoring meanss used
Remain traditional-handwork and analyze method, blend by hand, and acid solution free diffusing speed in water is slow, the water recorded
Matter real-time pH value error is relatively big, and the pH value causing irrigation water is not its actual value；Along with the Internet+, Internet of Things skill
The development of art, agricultural irrigation water quality monitoring tends to automatization, intellectuality with improvement.Therefore a kind of water quality pH value intelligence is developed
Energy processing means and system, have actual application value and market prospect widely.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides water quality PH based on ZigBee of a kind of intellectuality, networking
The intelligent irrigation control system of value.
The present invention is achieved by the following technical solutions:
A kind of water quality pH value intellectuality irrigation control system based on ZigBee, fills including water quality pH value intelligent processing method
Put, soil moisture data acquisition unit, ZigBee coordinator and host computer；
Described water quality pH value Intelligent processing device, including cistern and acid solution case, cistern is respectively arranged with water inlet
And outlet, acid solution case is provided with liquid injection port and liquid outlet, and the liquid outlet of acid solution case is connected by pipeline and cistern are internal
Logical；Acid solution case is provided with the first liquid level sensor for detecting its internal acid solution liquid level, and the liquid outlet of acid solution case is provided with
For controlling the first electromagnetic valve of its open and-shut mode, cistern is provided with the second level sensing for detecting its inside liquid level
Device, is provided with the PH detection module for detecting its internal liquid pH value, is additionally provided with stirring in cistern in cistern
Device, the stirring paddle of agitating device is connected with stirring motor by axle, and stirring motor and the first relay are connected, in water-retention
The water inlet in pond is provided with the second electromagnetic valve for controlling its open and-shut mode, the outlet at cistern be provided with for
Outer draining carries out the draining pump watered, draining pump and the second relay and is connected；Described PH detection module, the first liquid level pass
Sense, the second level sensing, the first electromagnetic valve, the second electromagnetic valve, the first relay and the second relay and CC2530 master
Control terminal connects, CC2530 main control terminal and ZigBee coordinator wireless connections；
Described soil moisture data acquisition unit is connected by CC2530 data collection station and soil moisture detection module and forms,
CC2530 data collection station and ZigBee coordinator wireless connections；
ZigBee coordinator is connected with host computer by serial ports so that host computer pass through ZigBee coordinator respectively with each
The CC2530 main control terminal communication of water quality pH value Intelligent processing device, and host computer divided by ZigBee coordinator
Do not read each CC2530 data collection station and transmit the soil moisture data of coming.
In technique scheme, PH detection module carries out communication, PH by RS485 agreement and CC2530 main control terminal
Detection module connects A pin and B pin, the SP485R interface chip of SP485R interface chip by signal conditioning circuit
RO pin connect the P1_7 pin of CC2530, the DI pin of SP485R interface chip connects the P1_6 of CC2530
Pin, SP485R interface chip /RE and DE pin connect CC2530 P1_5 pin, by SP485R interface
Chip realizes the RS485 communication of PH detection module and CC2530.
In technique scheme, the first level sensing and the second level sensing are respectively by RS232 agreement and CC2530
Carrying out communication, the first level sensing is by a MAX232 interface chip and the P1_4 pin of CC2530 and P1_3 pin
Connect；Second level sensing is connected by P1_2 pin and the P1_1 pin of another MAX232 interface chip with CC2530
Connect.
In technique scheme, the first electromagnetic valve and the second electromagnetic valve respectively by L7010 driving chip with
CC2530 connects.
The operation method of water quality pH value intellectuality irrigation control system based on ZigBee: first CC2530 main control terminal
The water level detecting signal in cistern is read, if water level detecting signal is less than CC2530 master control by the second liquid level sensor
The low level watermark threshold that terminal program sets, then CC2530 main control terminal sends to the second electromagnetic valve and opens signal and control the
Water filling in cistern opened by two electromagnetic valves, along with the rising of water level, when the water level signal of the second liquid level sensor detection is big
When the high-order watermark threshold of CC2530 main control terminal program setting, CC2530 sends shutdown signal control to the second electromagnetic valve
Make the second closed electromagnetic valve；Then CC2530 main control terminal reads the acid solution liquid in acid solution case by the first liquid level sensor
Position detection signal, if acid solution Level Detection signal is less than the low level acid solution threshold value of CC2530 main control terminal program setting, then
CC2530 main control terminal sends warning message by radio receiving transmitting module and ZigBee coordinator to host computer, when the first liquid
When the acid solution liquid level signal of level sensor detection is more than the high-order acid solution threshold value of CC2530 main control terminal program setting, simultaneously
CC2530 main control terminal reads the water quality pH value of cistern measured by PH detection module and is higher than the pH value threshold value set,
Then CC2530 main control terminal to first electromagnetic valve send open signal control the first electromagnetic valve open in cistern inject acid
Liquid, while injecting acid solution, CC2530 main control terminal sends unlatching signal to the first relay makes blender start, and promotes
Being sufficiently mixed of acid solution and water, CC2530 main control terminal reads pH value measured by PH detection module and judges whether simultaneously
Continuing to inject acetum, if pH value reaches set point, then CC2530 main control terminal sends to the first electromagnetic valve and closes
Signal stops injecting acid solution in cistern, and CC2530 main control terminal makes to stir to the first relay transmission shutdown signal simultaneously
The machine of mixing quits work；
The unlatching of the outlet of the cistern of water quality pH value Intelligent processing device is by PC control, when host computer reads
When the soil moisture data of certain CC2530 data collection station detection are less than the threshold value set, host computer is according to this
The numbering of CC2530 data collection station finds numbers corresponding water quality pH value Intelligent processing device with it
CC2530 main control terminal, then host computer passes through ZigBee coordinator to this water quality pH value Intelligent processing device
CC2530 main control terminal sends and waters control command, this CC2530 main control terminal according to control command of watering to coupled
The second relay send and open signal and make draining pump start, so that this regional soil to be watered, until its second liquid level
The water level signal of sensor detection less than the low level watermark threshold of program setting, then this CC2530 main control terminal to its phase
The second relay even sends shutdown signal makes draining pump close.
Advantages of the present invention and having the beneficial effect that
1, the present invention utilizes ZigBee wireless communication technique by water quality pH value Intelligent processing device, soil moisture data acquisition
Acquisition means and host computer carry out effectively reliable networking, it is achieved that automatization that agricultural land soil pH value is irrigated, intellectuality,
Networking regulates and controls.
2, the water quality pH value Intelligent processing device automaticity in the present invention is high, can be to the pH value of irrigation water
Carry out automatization precisely to allocate, reduce the pH value error recorded caused slowly because of acid solution diffusion velocity largely simultaneously,
The pH value making irrigation water more adapts to the growth of the plants such as blue berry.
3, whole water quality pH value intellectuality irrigation control system based on ZigBee can be effectively formed region and divide targeting pipe
Reason mechanism, it is achieved the control accurate to farmland soil property pH value.
Accompanying drawing explanation
Fig. 1 is the system block diagram of water quality pH value intellectuality irrigation control system based on ZigBee.
Fig. 2 is the structural representation of water quality pH value Intelligent processing device.
Fig. 3 be water quality pH value Intelligent processing device electricly connect structure chart.
Fig. 4 is the pinouts of CC2530 chip.
Fig. 5 is the PH detection module circuit connection structure figure with CC2530 chip of water quality pH value Intelligent processing device.
Fig. 6 is first level sensing circuit connection structure with CC2530 chip of water quality pH value Intelligent processing device
Figure.
Fig. 7 is first electromagnetic valve circuit connection structure figure with CC2530 chip of water quality pH value Intelligent processing device.
Fig. 8 is first relay circuit connection structure figure with CC2530 chip of water quality pH value Intelligent processing device.
Fig. 9 is the wireless communication module circuit connection structure with CC2530 chip of water quality pH value Intelligent processing device
Figure.
Detailed description of the invention
Technical scheme is further illustrated below in conjunction with specific embodiment.
A kind of water quality pH value intellectuality irrigation control system based on ZigBee, sees accompanying drawing 1, and this system includes multiple
Water quality pH value Intelligent processing device and multiple soil moisture data acquisition unit.Each water quality pH value intelligent processing method fills
Put and be responsible for the PH of pouring water by a CC2530 module as main control terminal, water quality pH value Intelligent processing device respectively
Value allotment and pouring work；Each soil moisture data acquisition unit is by CC2530 module and soil moisture detection module
(model is TDR-3) connects composition, and CC2530 module is responsible for soil moisture detection module collection as data collection station
The transmission work of soil moisture data；All of water quality pH value Intelligent processing device and soil moisture data in system
By its respective CC2530 module, (ZigBee coordinator uses CC2530 to assist to harvester with a ZigBee coordinator
Adjust device) wireless connections composition ZigBee wireless communication networks, CC2530 coordinator is connected by serial ports and a host computer,
Thus realize the communication of host computer and water quality pH value Intelligent processing device and soil moisture data acquisition unit (on the one hand,
Host computer is logical with the CC2530 main control terminal of each water quality pH value Intelligent processing device respectively by CC2530 coordinator
News, on the other hand, host computer reads each CC2530 data collection station transmission the most in real time by CC2530 coordinator
The soil moisture data come).
Described water quality pH value Intelligent processing device and soil moisture data acquisition unit are distributed according to the practical situation in farmland
In farmland, make whole water quality pH value intellectuality irrigation system based on ZigBee form region and divide targeting administrative mechanism
(will be divided into multiple region in farmland, a soil moisture data acquisition unit and water quality PH are arranged in each region
Value Intelligent processing device, the CC2530 main control terminal of the soil moisture data acquisition unit in each region and water quality pH value
The CC2530 data collection station of Intelligent processing device has the most independent and corresponding volume in whole ZigBee-network
Number, zones of different can be implemented targeting irrigation management according to numbering, i.e. when some region of soil moisture data by host computer
The humidity data of the CC2530 data collection station detection of harvester is less than when setting threshold value, and host computer is according to these data
The numbering of acquisition terminal finds the corresponding water quality pH value Intelligent processing device being similarly disposed at this region
CC2530 main control terminal, and this main control terminal is controlled, it is achieved the targeting pouring in this region).
Described water quality pH value Intelligent processing device be discussed in detail below in conjunction with the accompanying drawings:
Seeing accompanying drawing 2, described water quality pH value Intelligent processing device, including cistern 1 and acid solution case 2, cistern 1
Pool wall both sides be respectively arranged with water inlet 4 and outlet 5, the top of cistern 1 is provided with top cover 1-1；Acid solution case 2
Being fixedly installed on the top, side of cistern 1, acid solution case is provided with liquid injection port 2-1 and liquid outlet 2-2, and liquid outlet 2-2 leads to
Piping runs through the top cover 1-1 of cistern 1 and is connected with cistern 1 inside, so that its internal acid solution injects cistern
The acid solution of allotment pH value is provided for cistern；
In order to make described water quality pH value Intelligent processing device possess automatization, it is provided for inspection on the top of acid solution case 2
Survey the first liquid level sensor a of its internal acetic acid liquid level, be provided for controlling its opening and closing shape at the liquid outlet 2-2 of acid solution case 2
First electromagnetic valve of state, is provided for detecting the second liquid level sensor b of its inside liquid level on the top of cistern 1, is storing
Being provided for detecting the PH detection module c of its internal liquid pH value in pond 1, cistern 1 is additionally provided with stirring simultaneously
Device, the stirring motor 3-1 of agitating device is fixed on the top cover 1-1 center of cistern, the stirring paddle of agitating device
3-2 is connected with stirring motor 3-1 by axle, stirring motor 3-1 by the first Control, while entering at cistern 1
The mouth of a river 4 is provided for controlling the second electromagnetic valve of its open and-shut mode, and the outlet 5 at cistern 1 is provided for outwards arranging
Water carries out the draining pump watered, and the opening of draining pump is by the second Control；
The structure that electricly connects of water quality pH value Intelligent processing device sees accompanying drawing 3, each water quality pH value intelligent processing method
Device by one piece of CC2530 chip as main control terminal (pinouts of CC2530 chip is as shown in Figure 4), CC2530
Being specific to the chip of IEEE 802.15.4 and ZigBee application, CC2530 combines the excellent of leading RF transceiver
Optimum energy, enhancement mode 8051 CPU of industrywide standard, In-System Programmable flash memory, 8-KB RAM and many other is powerful
Function；
Wherein, PH detection module carries out communication by RS485 agreement with CC2530, and its physical circuit attachment structure sees
Accompanying drawing 5, PH detection module by signal conditioning circuit (i.e. by diode V4, V5, V6 in Fig. 5, inductance L1, L2,
Electric capacity C1, C2, and resistance R7, R8, R9 composition signal conditioning circuit) connect SP485R interface chip A
Pin and B pin, the RO pin of SP485R interface chip connects the P1_7 pin of CC2530, SP485R interface core
The DI pin of sheet connects the P1_6 pin of CC2530, SP485R interface chip /RE and DE pin connection CC2530
P1_5 pin, realized the RS485 communication of PH detection module and CC2530 by SP485R interface chip；
First level sensing and the second level sensing carry out communication by RS232 agreement with CC2530 respectively, and it is the most electric
Road attachment structure sees accompanying drawing 6, and the first level sensing is connected (first by a MAX232 interface chip with CC2530
Level sensing connects T1OUT pin and R1IN pin, the T1IN pin of MAX232 of MAX232 by DB9
With P1_4 pin and the P1_3 pin that R1OUT pin connects CC2530 respectively)；Second level sensing is according to same
Connected mode is connected with P1_2 pin and the P1_1 pin of CC2530 by another MAX232 interface chip (in figure not
Mark), thus realize the first level sensing and the second level sensing and CC2530's by MAX232 interface chip
RS232 communication；
Control the first electromagnetic valve of acid solution case liquid outlet 2-2 open and-shut mode by a L7010 driving chip and CC2530
Connecting, see accompanying drawing 7, L7010 is motor drive module, and its running voltage is minimum can reach 1.8V, persistently drives
Electric current reaches 1A, and spike operating current can reach 2A, and can control the rotating of magnet valve motor easily, wherein
VM connects motor power, and VCC connects chip power, and IN1 pin and the IN2 pin of L7010 driving chip connect respectively
The P0_1 pin of CC2530 and P1_2 pin, OUT1 pin and the OUT2 pin of L7010 driving chip pass through J2
Joint connects the input of the first electromagnetic valve；Control the second electromagnetic valve of cistern water inlet 4 open and-shut mode according to same
Connected mode is connected by the P0_3 pin of another L7010 driving chip and CC2530 and P0_4 pin (not to be marked in figure
Go out)；Thus realize CC2530 by L7010 driving chip and drive the first electromagnetic valve and the second electromagnetic valve, and then realize
To acid solution case liquid outlet 2-2 and the control of cistern water inlet 4 open and-shut mode；
See accompanying drawing 8, control the first relay K 1 of stirring motor by an audion Q1 and resistance R3 and CC2530
P0_5 pin connect, the first relay is also serially connected with instruction Light-Emitting Diode LED1, by the P0_5 of CC2530
Pin drives the first relay, the first relay to connect stirring motor P1, controls its operating；Control the second of draining pump to continue
Electrical equipment is connected (not marking in figure) with the P0_6 pin of CC2530 in the manner described above, by the P0_6 of CC2530
Pin drives the second relay, the second relay to connect draining pump, controls its operating；
Seeing accompanying drawing 9,32 pins of CC2530,33 pins and 34 pins connect wireless communication module, pass through channel radio
News module CC2530 can communicate wirelessly with CC2530 coordinator (CC2530 coordinator i.e. ZigBee coordinator),
Thus formed ZigBee communication network (ZigBee technology be a kind of closely, low-power consumption, low rate, low cost two-way
Wireless communication technique, it is mainly used in counting between short, low in energy consumption and that transfer rate is the highest various electronic equipments
According to transmitting and typically have periodic data, intermittent data and the application of low reaction time data transmission).
During use, first CC2530 main control terminal reads the water level detecting signal in cistern by the second liquid level sensor,
If water level detecting signal is less than the low level watermark threshold of CC2530 main control terminal program setting, then CC2530 main control terminal to
Second electromagnetic valve sends to be opened signal and controls the second electromagnetic valve and open water filling in cistern, along with the rising of water level, when the
When the water level signal of two liquid level sensor detections is more than the high-order watermark threshold of CC2530 main control terminal program setting,
CC2530 sends shutdown signal to the second electromagnetic valve and controls the second closed electromagnetic valve；Then CC2530 main control terminal is by the
One liquid level sensor reads the acid solution Level Detection signal in acid solution case, if acid solution Level Detection signal is less than CC2530 master
The low level acid solution threshold value of control terminal program setting, then CC2530 main control terminal is coordinated by radio receiving transmitting module and ZigBee
Device sends warning message (management personnel can inject acid solution in time according to warning message in acid solution case) to host computer, when
When the acid solution liquid level signal of one liquid level sensor detection is more than the high-order acid solution threshold value of CC2530 main control terminal program setting,
CC2530 main control terminal reads the water quality pH value of cistern measured by PH detection module higher than the pH value threshold set simultaneously
Value, then CC2530 main control terminal to first electromagnetic valve send open signal control the first electromagnetic valve open in cistern note
Entering acid solution, while injecting acid solution, CC2530 main control terminal sends unlatching signal to the first relay makes blender start,
Promoting being sufficiently mixed of acid solution and water, CC2530 main control terminal reads pH value measured by PH detection module and judges simultaneously
Whether acetum is injected in continuation, if pH value reaches set point, then CC2530 main control terminal sends to the first electromagnetic valve
Shutdown signal stops injecting acid solution in cistern, and CC2530 main control terminal sends shutdown signal to the first relay simultaneously
Blender is made to quit work；
The unlatching of the outlet of the cistern of water quality pH value Intelligent processing device is by PC control, when host computer reads
When the soil moisture data of certain CC2530 data collection station detection are less than the threshold value set, host computer is according to this
The numbering of CC2530 data collection station finds numbers corresponding water quality pH value Intelligent processing device with it
CC2530 main control terminal, then host computer passes through ZigBee coordinator to this water quality pH value Intelligent processing device
CC2530 main control terminal sends and waters control command, this CC2530 main control terminal according to control command of watering to coupled
The second relay send and open signal and make draining pump start, so that this regional soil to be watered, until its second liquid level
The water level signal of sensor detection less than the low level watermark threshold of program setting, then this CC2530 main control terminal to its phase
The second relay even sends shutdown signal makes draining pump close.The water level signal of the second liquid level sensor detection is less than
After the low level watermark threshold of CC2530 program setting, repeat a upper process.
Above the present invention is done exemplary description, it should explanation, in the case of without departing from the core of the present invention,
Any simple deformation, amendment or other those skilled in the art can not spend the equivalent of creative work all to fall
Enter protection scope of the present invention.
Claims (5)
1. a water quality pH value intellectuality irrigation control system based on ZigBee, it is characterised in that: include water quality PH
Value Intelligent processing device, soil moisture data acquisition unit, ZigBee coordinator and host computer；
Described water quality pH value Intelligent processing device, including cistern and acid solution case, cistern is respectively arranged with water inlet
And outlet, acid solution case is provided with liquid injection port and liquid outlet, and the liquid outlet of acid solution case is connected by pipeline and cistern are internal
Logical；Acid solution case is provided with the first liquid level sensor for detecting its internal acid solution liquid level, and the liquid outlet of acid solution case is provided with
For controlling the first electromagnetic valve of its open and-shut mode, cistern is provided with the second level sensing for detecting its inside liquid level
Device, is provided with the PH detection module for detecting its internal liquid pH value, is additionally provided with stirring in cistern in cistern
Device, the stirring paddle of agitating device is connected with stirring motor by axle, and stirring motor and the first relay are connected, in water-retention
The water inlet in pond is provided with the second electromagnetic valve for controlling its open and-shut mode, the outlet at cistern be provided with for
Outer draining carries out the draining pump watered, draining pump and the second relay and is connected；Described PH detection module, the first liquid level pass
Sense, the second level sensing, the first electromagnetic valve, the second electromagnetic valve, the first relay and the second relay and CC2530 master
Control terminal connects, CC2530 main control terminal and ZigBee coordinator wireless connections；
Described soil moisture data acquisition unit is connected by CC2530 data collection station and soil moisture detection module and forms,
CC2530 data collection station and ZigBee coordinator wireless connections；
ZigBee coordinator is connected with host computer by serial ports so that host computer pass through ZigBee coordinator respectively with each
The CC2530 main control terminal communication of water quality pH value Intelligent processing device, and host computer divided by ZigBee coordinator
Do not read each CC2530 data collection station and transmit the soil moisture data of coming.
Water quality pH value intellectuality irrigation control system based on ZigBee the most according to claim 1, its feature exists
In: PH detection module carries out communication by RS485 agreement and CC2530 main control terminal, and PH detection module passes through signal
Modulate circuit connects A pin and the B pin of SP485R interface chip, and the RO pin of SP485R interface chip connects
The P1_7 pin of CC2530, the DI pin of SP485R interface chip connects the P1_6 pin of CC2530, SP485R
Interface chip /RE and DE pin connect CC2530 P1_5 pin, by SP485R interface chip realize PH examine
Survey module and the RS485 communication of CC2530.
Water quality pH value intellectuality irrigation control system based on ZigBee the most according to claim 1, its feature exists
In: the first level sensing and the second level sensing carry out communication by RS232 agreement and CC2530 main control terminal respectively,
First level sensing is connected with P1_4 pin and the P1_3 pin of CC2530 by a MAX232 interface chip；Second
Level sensing is connected with P1_2 pin and the P1_1 pin of CC2530 by another MAX232 interface chip.
Water quality pH value intellectuality irrigation system based on ZigBee the most according to claim 1, it is characterised in that:
First electromagnetic valve and the second electromagnetic valve are connected with CC2530 main control terminal by a L7010 driving chip respectively.
5. the operation side of water quality pH value intellectuality irrigation control system based on ZigBee as described in one of claim 1-4
Method: it is characterized in that: first CC2530 main control terminal reads the water level detecting in cistern by the second liquid level sensor
Signal, if water level detecting signal is less than the low level watermark threshold of CC2530 main control terminal program setting, then CC2530 master control
Terminal controls the second electromagnetic valve to the second electromagnetic valve transmission unlatching signal and opens water filling in cistern, along with the rising of water level,
When the water level signal of the second liquid level sensor detection is more than the high-order watermark threshold of CC2530 main control terminal program setting,
CC2530 sends shutdown signal to the second electromagnetic valve and controls the second closed electromagnetic valve；Then CC2530 main control terminal is by the
One liquid level sensor reads the acid solution Level Detection signal in acid solution case, if acid solution Level Detection signal is less than CC2530 master
The low level acid solution threshold value of control terminal program setting, then CC2530 main control terminal is coordinated by radio receiving transmitting module and ZigBee
Device sends warning message to host computer, when the acid solution liquid level signal of the first liquid level sensor detection is whole more than CC2530 master control
When holding the high-order acid solution threshold value of program setting, CC2530 main control terminal reads cistern measured by PH detection module simultaneously
Water quality pH value is higher than the pH value threshold value set, then CC2530 main control terminal sends to the first electromagnetic valve and opens signal control
Injection acid solution in cistern opened by first electromagnetic valve, and while injecting acid solution, CC2530 main control terminal is to the first relay
Send and open signal and makes blender start, promote being sufficiently mixed of acid solution and water, the PH of CC2530 main control terminal reading simultaneously
PH value measured by detection module judges whether to continue to inject acetum, if pH value reaches set point, then CC2530
Main control terminal sends shutdown signal to the first electromagnetic valve and stops injecting acid solution, simultaneously CC2530 main control terminal in cistern
Sending shutdown signal to the first relay makes blender quit work；
The unlatching of the outlet of the cistern of water quality pH value Intelligent processing device is by PC control, when host computer reads
When the soil moisture data of certain CC2530 data collection station detection are less than the threshold value set, host computer is according to this
The numbering of CC2530 data collection station finds numbers corresponding water quality pH value Intelligent processing device with it
CC2530 main control terminal, then host computer passes through ZigBee coordinator to this water quality pH value Intelligent processing device
CC2530 main control terminal sends and waters control command, this CC2530 main control terminal according to control command of watering to coupled
The second relay send and open signal and make draining pump start, so that this regional soil to be watered, until its second liquid level
The water level signal of sensor detection less than the low level watermark threshold of program setting, then this CC2530 main control terminal to its phase
The second relay even sends shutdown signal makes draining pump close.
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| CN109341770A (en) * | 2018-10-30 | 2019-02-15 | 华北水利水电大学 | A kind of groundwater monitoring device |
| CN110583445A (en) * | 2019-09-20 | 2019-12-20 | 中国水利水电科学研究院 | Intelligent water-saving regulation and control system for wheat irrigation |
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Application publication date: 20160817 |