CN109855677A - A kind of green house of vegetables humiture observation system and method based on ZigBee - Google Patents
A kind of green house of vegetables humiture observation system and method based on ZigBee Download PDFInfo
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- CN109855677A CN109855677A CN201811546074.XA CN201811546074A CN109855677A CN 109855677 A CN109855677 A CN 109855677A CN 201811546074 A CN201811546074 A CN 201811546074A CN 109855677 A CN109855677 A CN 109855677A
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- master controller
- zigbee
- host computer
- green house
- observation system
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- 235000013311 vegetables Nutrition 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000002689 soil Substances 0.000 claims abstract description 34
- 238000004891 communication Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 230000007613 environmental effect Effects 0.000 claims abstract description 11
- 238000005286 illumination Methods 0.000 claims abstract description 11
- 230000005477 standard model Effects 0.000 claims 1
- 238000012271 agricultural production Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The invention discloses a kind of green house of vegetables humiture observation system and method based on ZigBee, belongs to field of agricultural production technologies.The present invention includes Temperature Humidity Sensor, light intensity sensor, soil humidity sensor, ZigBee wireless communication module, host computer, master controller, water pump, draft fan；The established standards range first in host computer, then each sensor is acquired monitoring to environmental parameter in greenhouse, data are sent to host computer by ZigBee wireless transport module by master controller, host computer issues feedback command to master controller after being compared to currently received data with established standards range, master controller drives water pump, draft fan operation.The present invention can carry out real-time monitoring to temperature and humidity, illumination and soil moisture environmental parameter in greenhouse by sensor, and water pump, draft fan can be driven to adjust temperature and humidity, illumination and soil moisture in greenhouse by master controller according to monitoring data and reach established standards range.
Description
Technical field
The present invention relates to a kind of green house of vegetables humiture observation system and method based on ZigBee, belongs to agricultural production skill
Art field.
Background technique
In the prior art, traditional green house of vegetables be if it will detect temperature and humidity and light conditions, just must be according to
Detection is manually gone to check, the working strength for not only increasing agriculture personnel in this way there is also measurement accuracy and measurement not in time
The problem of, environmental index in green house of vegetables can not be accomplished timely and effectively to control.
Summary of the invention
The invention reside in a kind of green house of vegetables humiture observation system and method based on ZigBee is provided, to realize to vegetable
Temperature and humidity, illumination and soil moisture environmental parameter carry out real-time monitoring and adjustment in dish greenhouse.
The technical scheme is that a kind of green house of vegetables humiture observation system based on ZigBee, including temperature and humidity
Sensor, light intensity sensor, soil humidity sensor, ZigBee wireless communication module, host computer, master controller, water pump, ventilation
Fan；
Temperature Humidity Sensor output end, light intensity sensor output end, soil humidity sensor output end are defeated with master controller respectively
Enter end connection, master controller is connect by ZigBee wireless communication module with host computer, master controller output end respectively with water pump,
Draft fan connection.
The model DHT11 Temperature Humidity Sensor of the Temperature Humidity Sensor.
The model GY-30 light intensity sensor of the light intensity sensor, built-in BH1750FVI chip.
The model YL-69 soil humidity sensor of the soil humidity sensor, built-in LM393 comparator.
The master controller uses ATmega328p processor.
The ZigBee wireless communication module uses ZigBee wireless serial communication module, interior to be equipped with chip, the type of chip
It number is TI CC2530, one piece of ZigBee wireless communication module connect with master controller, and another piece of ZigBee wireless communication module leads to
It crosses serial ports and turns Transistor-Transistor Logic level module CH340 and be connected with host computer USB port, pass through IEEE between ZigBee wireless communication module
802.15.4 agreement carries out wireless communication.
The model DC3W water pump of the water pump.
The model 4010S draft fan of the draft fan.
A kind of monitoring method of the green house of vegetables humiture observation system based on ZigBee, the specific steps are as follows: exist first
The critical field of temperature and humidity, light intensity and soil moisture environmental parameter is set in host computer, then by each sensor in greenhouse
Temperature and humidity, light intensity and soil moisture environmental parameter are acquired monitoring, and data are transmitted to master controller, in master controller
Data are analyzed and processed by ATmega328p processor, are sent to host computer, host computer by ZigBee wireless transport module
Classified and show and currently received data are compared with established standards range, if current data is in critical field
Interior, host computer issues feedback command to master controller, and master controller abandons data according to feedback command, and waiting receives number next time
According to；If current data, not in critical field, host computer issues feedback command to master controller, and master controller is according to feedback command
Water pump, draft fan operation are driven, temperature and humidity, illumination and soil moisture in greenhouse is adjusted and reaches established standards range.
The beneficial effects of the present invention are: can be by sensor to temperature and humidity, illumination and soil moisture environmental parameter in greenhouse
Real-time monitoring is carried out, and water pump, draft fan can be driven to adjust temperature and humidity, illumination in greenhouse by master controller according to monitoring data
And soil moisture reaches established standards range.
Detailed description of the invention
Fig. 1 is present system device connection figure；
Fig. 2 is ATmega328P processor package drawing；
Fig. 3 is ZigBee module A node external circuit catenation principle figure；
Fig. 4 is ZigBee module B node external circuit catenation principle figure；
Fig. 5 is DHT11 sensor circuit catenation principle figure；
Fig. 6 is GY-30 sensor circuit catenation principle figure；
Fig. 7 is YL-69 sensor circuit catenation principle figure；
Fig. 8 is DC3W pump circuit catenation principle figure；
Fig. 9 is 4010S draft fan circuit connection schematic diagram；
Figure 10 is that present system handles data flowchart；
Figure 11 is that host computer handles data flowchart；
Figure 12 is that master controller handles data flowchart.
Specific embodiment
With reference to the accompanying drawings and examples, the invention will be further described, but the contents of the present invention be not limited to it is described
Range.
Embodiment 1: as shown in figs. 1-12, a kind of green house of vegetables humiture observation system based on ZigBee, including it is warm and humid
It spends sensor, light intensity sensor, soil humidity sensor, ZigBee wireless communication module, host computer, master controller, water pump, lead to
Fan；
Temperature Humidity Sensor output end, light intensity sensor output end, soil humidity sensor output end are defeated with master controller respectively
Enter end connection, master controller is connect by ZigBee wireless communication module with host computer, master controller output end respectively with water pump,
Draft fan connection.Host computer is PC man-machine interactive system and completes monitoring system design, settable automatic adjustment using MSComm control
With manually adjust two different shaping modes.
It is possible to further which the model DHT11 Temperature Humidity Sensor of the Temperature Humidity Sensor is arranged.DHT11 is warm and humid
Degree sensor can make detection to temperature and humidity index, and will test result and be transmitted to master controller processing, DHT11 Temperature Humidity Sensor
Three pins used have VCC, GND and DOUT, the power supply of the external 5V of VCC pin, the GND pin of GND pin external power supply, number
According to output pin, that is, DOUT pin, using the PD2 pin connection communication of single bus data mode and Atmega328p processor.
It is possible to further which the model GY-30 light intensity sensor of the light intensity sensor, built-in BH1750FVI is arranged
Chip.GY-30 light intensity sensor makes detection to light intensity index, and will test result and be transmitted to master controller processing, GY-30 light intensity
Between sensors A tmega328p processor use I2C communication protocol, the pin that GY-30 light intensity sensor is used have SCL, SDA,
GND, VDD, the wherein power supply of the external 5V of VDD pin, the GND pin of GND pin external power supply, SDA pin and Atmega328p
The PC4 pin of processor connects, and SCL pin is connect with the PC5 pin of Atmega328p processor.
It is built-in it is possible to further which the model YL-69 soil humidity sensor of the soil humidity sensor is arranged
LM393 comparator.Soil humidity sensor makes detection to soil moisture index, and will test result and be transmitted at master controller
Reason, the pin that YL-69 soil humidity sensor is used has OUTB, VCC, GND, INA+, wherein by the electricity of the external 5V of VCC pin
Source, the GND pin of GND pin external power supply, OUTB pin are connect with the PC0 pin of Atmega328p processor, INA+ pin
It is connected with soil probe interface.
It is possible to further which the master controller is arranged using ATmega328p processor, ATmega328p processor is
A high-performance, low-power consumption 8 bit processor of AVR, with advanced risc architecture and there are non-volatile program and data to deposit
Reservoir, main controller controls sensors towards ambient parameter are acquired monitoring, and drive water pump, draft fan to temperature and humidity, illumination,
Soil moisture is adjusted.
ZigBee wireless serial communication module is used it is possible to further which the ZigBee wireless communication module is arranged, it is interior
Equipped with chip, model TI CC2530, ZigBee the wireless serial communication module of chip is a full duplex 2.4G wireless transmission
Module is powered using direct current 3.3V, and settable three kinds of operating modes are point-to-point mode A, point-to-point B-mode and broadcast mould respectively
Formula, in ad hoc mode, mode A and B-mode can connect pairing when channel selection is identical automatically, and ZigBee wireless module is total
There are four pins, are positive pin VCC respectively, cathode pin GND, serial data receives pin RXD, serial data sends pin
TXD.ZigBee ad hoc mode is taken to communicate in the present invention, it is therefore desirable to use two pieces of ZigBee modules, one piece
ZigBee wireless communication module is connect with master controller, and another piece of ZigBee wireless communication module turns Transistor-Transistor Logic level mould by serial ports
Block CH340 is connected with host computer USB port, carries out nothing by IEEE 802.15.4 agreement between ZigBee wireless communication module
Line communication.The GND pin of ZigBee node A and the GND pin of power supply connect, and VCC pin is connect with power supply 3.3V, RXD pin
It is connect with the PD1 pin of Atmega328p processor, TXD pin is connect with the PD0 pin of Atmega328p processor, 3.3V electricity
Source is connect with the OUT+ pin of AMS1117-33 voltage-stablizer again, and power supply GND is connect with the OUT- pin of AMS1117-33 voltage-stablizer,
IN- the and IN+ pin of AMS1117-33 voltage-stablizer is connect with the GND of 5V power supply and VCC pin respectively.ZigBee node B's
GND, RXD, TXD, VCC pin are connect with GND, TXD of CH340 module, RXD, power supply 3.3V pin respectively.
It is possible to further which the model DC3W water pump of the water pump is arranged.The VCC of DC3W water pump and power supply, GND pin
Connection, switch K2 are connect with the PB2 of Atmega328p processor.
It is possible to further which the model 4010S draft fan of the draft fan is arranged.4010S draft fan and power supply
VCC, GND pin connection, switch K2 are connect with the PB3 of Atmega328p processor.
A kind of monitoring method of the green house of vegetables humiture observation system based on ZigBee, the specific steps are as follows: exist first
The critical field of temperature and humidity, light intensity and soil moisture environmental parameter is set in host computer, then by each sensor in greenhouse
Temperature and humidity, light intensity and soil moisture environmental parameter are acquired monitoring, and data are transmitted to master controller, in master controller
Data are analyzed and processed by ATmega328p processor, are sent to host computer, host computer by ZigBee wireless transport module
Classified and show and currently received data are compared with established standards range, if current data is in critical field
Interior, host computer issues feedback command to master controller, and master controller abandons data according to feedback command, and waiting receives number next time
According to；If current data, not in critical field, host computer issues feedback command to master controller, and master controller is according to feedback command
Water pump, draft fan operation are driven, temperature and humidity, illumination and soil moisture in greenhouse is adjusted and reaches established standards range.In addition, may be used also
Command adapted thereto is issued taking human as the control end PC, to meet the purpose for adjusting varying environment parameter.
Host computer includes following sub-step at runtime:
S1: first initialize, and to PC application function using permission, setting baud rate identifies data port；
S2: setting starts to receive data, and whether the essence according to data character string is lx, s, rh and tem whether to determine data
For intensity of illumination data, soil moisture data, humidity data and temperature data.If data are not belonging to one of these fourth types, data
It abandons, system waiting receives data next time；If data belong to one of these fourth types, host computer displays it to the man-machine friendship in the end PC
Mutual interface, and data are compared with established standards value.If data, within the scope of established standards, return system etc. is to be received
Data mode next time；If data not within the scope of established standards, carry out next step S3；
S3: host computer makes feedback command according to the difference for receiving data and established standards range and is sent to ZigBee node B,
And master controller is radioed to by ZigBee and carries out instruction execution.
Master controller includes following sub-step at runtime:
S11: the data that transmit of sensor are read by Atmega328p processor and carry out classifying packing；
S21: packed data are sent to ZigBee node A by serial communication protocol, transfer to host computer to show data
And processing；
S31: master controller receives the control instruction that host computer is sent by ZigBee-network, Atmega328p processor according to
Order-driven water pump, draft fan operation adjust temperature and humidity, illumination and soil moisture in greenhouse and reach standard value.
Above in conjunction with attached drawing, the embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned
Embodiment within the knowledge of a person skilled in the art can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (9)
1. a kind of green house of vegetables humiture observation system based on ZigBee, it is characterised in that: including Temperature Humidity Sensor, light intensity
Sensor, soil humidity sensor, ZigBee wireless communication module, host computer, master controller, water pump, draft fan；
Temperature Humidity Sensor output end, light intensity sensor output end, soil humidity sensor output end are defeated with master controller respectively
Enter end connection, master controller is connect by ZigBee wireless communication module with host computer, master controller output end respectively with water pump,
Draft fan connection.
2. the green house of vegetables humiture observation system according to claim 1 based on ZigBee, it is characterised in that: the temperature
The model DHT11 Temperature Humidity Sensor of humidity sensor.
3. the green house of vegetables humiture observation system according to claim 1 based on ZigBee, it is characterised in that: the light
The model GY-30 light intensity sensor of strong sensor, built-in BH1750FVI chip.
4. the green house of vegetables humiture observation system according to claim 1 based on ZigBee, it is characterised in that: the soil
The model YL-69 soil humidity sensor of earth humidity sensor, built-in LM393 comparator.
5. the green house of vegetables humiture observation system according to claim 1 based on ZigBee, it is characterised in that: the master
Controller uses ATmega328p processor.
6. the green house of vegetables humiture observation system according to claim 1 based on ZigBee, it is characterised in that: described
ZigBee wireless communication module uses ZigBee wireless serial communication module, interior to be equipped with chip, the model TI of chip
CC2530, one piece of ZigBee wireless communication module are connect with master controller, and another piece of ZigBee wireless communication module passes through serial ports
Turn Transistor-Transistor Logic level module CH340 to be connected with host computer USB port, passes through IEEE 802.15.4 between ZigBee wireless communication module
Agreement carries out wireless communication.
7. the green house of vegetables humiture observation system according to claim 1 based on ZigBee, it is characterised in that: the water
The model DC3W water pump of pump.
8. the green house of vegetables humiture observation system according to claim 1 based on ZigBee, it is characterised in that: described logical
The model 4010S draft fan of fan.
9. a kind of monitoring method of the green house of vegetables humiture observation system based on ZigBee, it is characterised in that: specific steps are such as
Under: the critical field of temperature and humidity, light intensity and soil moisture environmental parameter is set first in host computer, then passes through each sensor
Monitoring is acquired to temperature and humidity, light intensity and soil moisture environmental parameter in greenhouse, and data are transmitted to master controller, main control
Data are analyzed and processed by ATmega328p processor in device, are sent to host computer by ZigBee wireless transport module, on
Position machine, which is classified, to be shown and is compared to currently received data with established standards range, if current data is in standard model
In enclosing, host computer issues feedback command to master controller, and master controller abandons data according to feedback command, and waiting receives next time
Data；If current data, not in critical field, host computer issues feedback command to master controller, and master controller refers to according to feedback
Driving water pump, draft fan operation are enabled, temperature and humidity, illumination and soil moisture in greenhouse is adjusted and reaches established standards range.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811546074.XA CN109855677A (en) | 2018-12-18 | 2018-12-18 | A kind of green house of vegetables humiture observation system and method based on ZigBee |
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| CN201811546074.XA CN109855677A (en) | 2018-12-18 | 2018-12-18 | A kind of green house of vegetables humiture observation system and method based on ZigBee |
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Cited By (2)
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| CN112629581A (en) * | 2020-10-29 | 2021-04-09 | 西安思源学院 | Green house humiture measurement system |
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