CN215114667U - ZigBee technology-based outdoor crop environment data acquisition wireless sensor network system - Google Patents
ZigBee technology-based outdoor crop environment data acquisition wireless sensor network system Download PDFInfo
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- CN215114667U CN215114667U CN202121736370.3U CN202121736370U CN215114667U CN 215114667 U CN215114667 U CN 215114667U CN 202121736370 U CN202121736370 U CN 202121736370U CN 215114667 U CN215114667 U CN 215114667U
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Abstract
The utility model provides an outdoor crop environmental data acquisition wireless sensor network system based on ZigBee technology, which comprises a ZigBee coordinator and a PC server which are connected with each other through a serial communication line, and also comprises a meteorological ZigBee sensor node for acquiring meteorological data and at least one soil ZigBee sensor node for acquiring soil data; the meteorological ZigBee sensor node and the soil ZigBee sensor node are used for data acquisition through digital quantity sensors connected to the outside of the meteorological ZigBee sensor node and the soil ZigBee sensor node; the meteorological ZigBee sensor node and the soil ZigBee sensor node are respectively communicated with the ZigBee coordinator through wireless signals based on a ZigBee protocol, and environmental data collected by the meteorological ZigBee sensor node and the soil ZigBee sensor node are collected to the ZigBee coordinator and then transmitted to the PC server. The utility model discloses can be used to gather a plurality of key environmental factors that influence crops growth, be equipped with small-size meteorological station simultaneously, but real-time supervision meteorological element, the precision is high, can realize that the multi-information is in coordination, provides comprehensive aassessment data for the good growth of crops.
Description
Technical Field
The utility model relates to an environmental detection technical field, concretely relates to outdoor crops environmental data gathers wireless sensor network system based on zigBee technique.
Background
Traditional agriculture is low in informatization degree, the growth of crops is greatly influenced by natural weather, and measures cannot be taken timely when natural disasters occur. If various environment variables are acquired in real time by adopting the sensor, the environment change condition can be accurately mastered, the planting mode is timely adjusted, the growth state of crops is improved, and agricultural informatization and intellectualization are really realized.
However, the wired transmission of the sensor can affect the cultivation, fertilization and harvest of crops, and therefore, the wireless networking mode of the sensor is a necessary trend of intelligent agriculture. The ZigBee technology is commonly used for wireless communication equipment for short-distance and low-speed data transmission, and has the characteristics of low power consumption, low cost, large capacity, high safety and the like. In view of this, the outdoor crop environment data acquisition system based on the ZigBee wireless sensor network technology can realize the data acquisition, transmission and storage functions of all environment elements influencing the full growth cycle of crops, is convenient for mastering the growth state of the crops in real time, and improves the yield of farmlands and the quality of the crops. Meanwhile, under the special use scene of an outdoor farmland, the wireless sensor network also has the characteristics of water and dust resistance, high stability, easiness in maintenance, easiness in expansion and the like, and is suitable for the outdoor environment.
The existing ZigBee sensor node is generally composed of a power module, a CC2530 type single chip microcomputer and a sensor which is inserted outside the single chip microcomputer, an analog quantity sensor is often inserted in the sensor node, and an output pin of the sensor is connected to an ADC pin of the single chip microcomputer, so that the defects of low sampling precision, easy radio frequency interference and electromagnetic interference on signals, short transmission distance and the like exist; because CC2530 type singlechip data processing ability is relatively weak and the ADC function is simple, so a zigBee sensor node generally only gathers single sensor, is not applicable to the mode that uses multiple sensor collection at a zigBee sensor node, and the information of gathering is few and collection efficiency is lower. In addition, in the prior art, the collected information is often single for the crop related information collection, for example, only the single information of soil is collected, and the weather information is obtained from a local meteorological bureau, so that the real-time performance is lacked, the precision is poor, and the cooperation of various information is lacked.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model aims to provide an outdoor crops environmental data gathers wireless sensor network system based on zigBee technique, this collection system passes through the 485 interface and links to each other with digital quantity type sensor, can be used to gather a plurality of key environmental factors that influence crops growth, is equipped with small-size meteorological station simultaneously, but real-time supervision meteorological element, and the precision is high, can realize that many information is in coordination, provides comprehensive aassessment data for good growth of crops.
The utility model aims at realizing through the following technical scheme:
an outdoor crop environment data acquisition wireless sensing network system based on a ZigBee technology comprises a ZigBee coordinator and a PC server which are mutually connected through a serial communication line, and further comprises a meteorological ZigBee sensor node for acquiring meteorological data and at least one soil ZigBee sensor node for acquiring soil data; the meteorological ZigBee sensor node and the soil ZigBee sensor node are used for data acquisition through digital quantity sensors connected to the outside of the meteorological ZigBee sensor node and the soil ZigBee sensor node; the meteorological ZigBee sensor node and the soil ZigBee sensor node are respectively communicated with the ZigBee coordinator through wireless signals based on a ZigBee protocol, and environmental data collected by the meteorological ZigBee sensor node and the soil ZigBee sensor node are collected to the ZigBee coordinator and then transmitted to the PC server.
Furthermore, the ZigBee coordinator, the meteorological ZigBee sensor node and the soil ZigBee sensor node respectively adopt a CC2530 type single chip microcomputer as a ZigBee signal receiving and transmitting control chip. The CC2530 type single chip microcomputer is oriented to ZigBee, is provided with a wireless radio frequency component, and has abundant peripherals (flash, ram and the like).
Furthermore, the meteorological ZigBee sensor node is connected with the soil ZigBee sensor node and the ZigBee coordinator by adopting a star topology structure.
Furthermore, the meteorological ZigBee sensor node and the soil ZigBee sensor node are powered by a solar panel and a storage battery, and the ZigBee coordinator is powered by a USB interface of a PC server.
Further, the ZigBee coordinator is connected with the PC server through an RS232 serial communication line.
Furthermore, the digital quantity sensor externally connected with the soil ZigBee sensor node comprises a three-in-one sensor for soil temperature, humidity and conductivity and a soil pH value sensor, wherein the three-in-one sensor for soil temperature, humidity and conductivity and the soil pH value sensor are respectively connected with the single chip microcomputer of the soil ZigBee sensor node through an RS485 bus.
Furthermore, a small meteorological station is connected outside the meteorological ZigBee sensor node; the small meteorological station comprises a supporting rod arranged at the position of soil to be measured, and a sensor acquisition end, a solar panel and a control distribution box which are respectively arranged on the supporting rod; the sensor acquisition end comprises an air temperature sensor, a humidity sensor, an air speed sensor, a wind direction sensor, a rainfall sensor, an illumination intensity sensor, an ultraviolet sensor and an air pressure sensor which are integrally installed on a support rod and are respectively connected with a single chip microcomputer of a meteorological ZigBee sensor node through an RS485 bus; the inside battery that has set up for the power supply of sensor acquisition end of control block terminal, the battery is connected with solar panel.
Furthermore, the small-sized weather station also comprises an LED display screen for displaying all sensor data acquired by the sensor acquisition end in real time.
Compared with the prior art, the utility model, beneficial effect as follows:
(1) the ZigBee sensor node is connected with a digital quantity sensor, the output of the digital quantity sensor is an RS485 signal, the output signal is stable and is not easy to be interfered, the communication speed is high, the communication error correction capability is realized, and the rapidness and the reliability of data are ensured. Meanwhile, the digital quantity sensor has a high-precision ADC conversion technology, and the problem that a single chip microcomputer of a sensing node is poor in processing capacity is completely solved.
(2) The ZigBee sensor node is provided with an RS485 bus interface, one sensor node can simultaneously support a plurality of sensors to be connected, the output signals of the sensors are RS485 bus signals, the communication mode has the advantages of long communication distance, convenience in hanging and connecting equipment and the like, the sensors can be conveniently used in a long distance, and the types and the number of the sensors can be easily expanded.
(3) On the basis that soil ZigBee sensor nodes are arranged to collect soil information, meteorological ZigBee sensor nodes with small meteorological stations are further arranged, and the meteorological ZigBee sensor nodes are connected into a ZigBee wireless network to be capable of combining the soil information collected by the soil ZigBee sensor nodes to accurately obtain outdoor crop environment data. Small-size weather station can carry out real-time supervision to eight kinds of key meteorological factors, compares and uses independent single sensor, and small-size weather station integrated level is higher, and the encapsulation nature is better, and the integral type is easily installed, and high corrosion resistant is longe-lived, and the LED display screen of apolegamy can on-the-spot data of looking over in real time.
(4) Outdoor crops environmental data acquisition wireless sensor network system can realize data acquisition, transmission and the storage function to soil condition and each meteorological element, be convenient for master crops growth state in real time, improve farmland output and crop quality.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a wireless sensor network system according to the present invention;
FIG. 2 is a wiring diagram of the soil ZigBee sensor node of the utility model;
FIG. 3 is a schematic structural diagram of the small weather station according to the present invention;
as shown in the figure: the system comprises a support rod 1, a sensor 2, an LED display screen 3, a solar panel 4 and a control distribution box 5.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the drawings of the present application are only used to match the contents disclosed in the specification, so as to be known and read by those skilled in the art, and not to limit the practical limitations of the present invention, so that the present application does not have any technical significance, and any modification of the structure, change of the ratio relationship, or adjustment of the size should still fall within the scope of the present application without affecting the function and the achievable purpose of the present application. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be considered as the scope of the present invention without substantial changes in the technical content.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figure 1 the utility model discloses an outdoor crops environmental data acquisition wireless sensor network system based on zigBee technique, including zigBee coordinator, PC server, meteorological zigBee sensor node, soil zigBee sensor node.
The ZigBee coordinator and the PC server are connected with each other through an RS232 serial communication line, the existing equipment is adopted for both the ZigBee coordinator and the PC server, and the CC2530 type single chip microcomputer is adopted for the ZigBee coordinator as a ZigBee signal receiving and transmitting control chip. The ZigBee coordinator needs to keep a continuous working state and is connected with the PC server relatively closely, and a USB power supply mode is adopted, namely a USB cable is connected to the PC server, and a USB interface of the PC server is used for supplying power.
The meteorological ZigBee sensor node consists of a ZigBee sensor node and a small meteorological station connected to the outside of the ZigBee sensor node; the ZigBee sensor node adopts the existing ZigBee sensor node and mainly comprises a power module and a CC2530 type single chip microcomputer, wherein the power module consists of a solar turnover plate with a storage battery connected with the storage battery, and the CC2530 type single chip microcomputer is designed for ZigBee, is provided with a wireless radio frequency component and is provided with abundant peripherals (flash, ram and the like); the meteorological ZigBee sensor node is communicated with the ZigBee coordinator through a wireless radio frequency component (a wireless signal based on a ZigBee protocol and sent out) on a CC2530 type single chip microcomputer in the meteorological ZigBee sensor node, and environment data collected by the meteorological ZigBee sensor node is collected to the ZigBee coordinator and then transmitted to the PC server.
As shown in FIG. 3, the small-sized weather station comprises a support rod 1 installed at the position of soil to be measured, and a sensor acquisition end 2, a solar panel 4, a control distribution box 5 and an LED display screen 3 which are respectively installed on the support rod 1. The sensor acquisition end 2 includes that the integration is installed on bracing piece 1 and is connected the air temperature sensor through the singlechip (ADC pin) of RS485 bus and meteorological ZigBee sensor node respectively, humidity transducer, air velocity transducer, wind direction sensor, rainfall sensor, illumination intensity sensor, ultraviolet sensor, baroceptor (above-mentioned sensor all is digital quantity sensor, and output signal is RS485 bus signal), above-mentioned sensor is used for gathering temperature respectively, humidity, wind speed, wind direction, rainfall, the illumination value, ultraviolet ray and atmospheric pressure totally eight meteorological factors, in addition, maximum wind speed and accumulative rainfall calculate based on air velocity transducer and the obtained data of rainfall sensor. The inside battery that has set up for the power supply of sensor acquisition end 2 of control block terminal 5, the battery is connected with solar panel 4. The LED display screen 3 is used for displaying all sensor data acquired by the sensor acquisition end in real time.
The soil ZigBee sensor node comprises a ZigBee sensor node and an external sensor connected with the ZigBee sensor node; the ZigBee sensor node adopts the existing ZigBee sensor node and mainly comprises a power module and a CC2530 type single chip microcomputer, wherein the power module is also composed of a solar turnover plate with a storage battery connected with the storage battery, and the CC2530 type single chip microcomputer is designed for ZigBee, is provided with a wireless radio frequency assembly and is provided with abundant peripherals (flash, ram and the like); the soil ZigBee sensor node is communicated with the ZigBee coordinator through a wireless radio frequency component (a wireless signal based on a ZigBee protocol and sent out) on a CC2530 type single chip microcomputer in the soil ZigBee sensor node, and environment data collected by the soil ZigBee sensor node is collected to the ZigBee coordinator and then transmitted to the PC server.
The digital quantity sensor connected outside the soil ZigBee sensor node comprises a soil temperature, humidity and conductivity three-in-one sensor and a soil pH value sensor, and the soil temperature, humidity and conductivity three-in-one sensor and the soil pH value sensor are respectively connected with the single chip microcomputer of the soil ZigBee sensor node through RS485 buses; the output signals of the sensors are RS485 signals, wherein the three-in-one sensor for the temperature, the humidity and the conductivity of the soil acquires the temperature, the humidity and the conductivity of the soil. Referring to fig. 2, the RS485 bus has four wires, namely a power line positive wire, a power line negative wire, a data line 485-a and a data line 485-B, wherein the power line supports 10-30V of direct current wide voltage power supply, the communication address and baud rate of the data line can be set, and the farthest communication distance is 2000 meters. The connection mode of the small meteorological stations connected with the ZigBee meteorological station nodes is similar to that of the small meteorological station in the figure 2.
Soil zigBee sensor node and meteorological zigBee sensor node install in outdoor farmland, and because of environmental factor changes slowly, sampling interval time is 5 minutes, and the node is in the dormancy state when out of work, and power consumption is extremely low.
The same meteorological area only needs a meteorological ZigBee sensor node, and different soil test regions can set up a plurality of soil ZigBee sensor nodes respectively, and the ZigBee network that adopts star type structure can hold 255 nodes at most. The ZigBee coordinator is used for collecting data uploaded by all nodes, and only one coordinator is arranged in the same ZigBee network.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The protection scope of the present invention is not limited to the technical solution disclosed in the specific embodiment, and all the modifications, equivalent replacements, improvements, etc. made by the technical entity of the present invention to the above embodiments all fall into the protection scope of the present invention.
Claims (8)
1. An outdoor crop environment data acquisition wireless sensing network system based on a ZigBee technology comprises a ZigBee coordinator and a PC server which are mutually connected through a serial communication line, and is characterized by also comprising a meteorological ZigBee sensor node for acquiring meteorological data and at least one soil ZigBee sensor node for acquiring soil data; the meteorological ZigBee sensor node and the soil ZigBee sensor node are used for data acquisition through digital quantity sensors connected to the outside of the meteorological ZigBee sensor node and the soil ZigBee sensor node; the meteorological ZigBee sensor node and the soil ZigBee sensor node are respectively communicated with the ZigBee coordinator through wireless signals based on a ZigBee protocol, and environmental data collected by the meteorological ZigBee sensor node and the soil ZigBee sensor node are collected to the ZigBee coordinator and then transmitted to the PC server.
2. The ZigBee technology-based wireless sensing network system for collecting environmental data of outdoor crops is characterized in that a CC2530 type single chip microcomputer is respectively adopted by the ZigBee coordinator, the meteorological ZigBee sensor nodes and the soil ZigBee sensor nodes as ZigBee signal transceiving control chips.
3. The ZigBee technology-based outdoor crop environment data acquisition wireless sensor network system as claimed in claim 1, wherein the meteorological ZigBee sensor node is connected with the soil ZigBee sensor node and the ZigBee coordinator by a star topology structure.
4. The ZigBee technology-based wireless sensing network system for outdoor crop environment data acquisition is characterized in that the meteorological ZigBee sensor nodes and the soil ZigBee sensor nodes are powered by a solar panel and a storage battery, and the ZigBee coordinator is powered by a USB interface of a PC server.
5. The ZigBee technology-based outdoor crop environment data acquisition wireless sensor network system as claimed in claim 1, wherein the ZigBee coordinator is connected with the PC server through an RS232 serial communication line.
6. The ZigBee technology-based wireless sensing network system for collecting environmental data of outdoor crops is characterized in that the digital quantity sensor externally connected with the soil ZigBee sensor node comprises a three-in-one sensor for soil temperature, humidity and conductivity and a soil pH value sensor, and the three-in-one sensor for soil temperature, humidity and conductivity and the soil pH value sensor are respectively connected with a single chip microcomputer of the soil ZigBee sensor node through an RS485 bus.
7. The ZigBee technology-based outdoor crop environment data acquisition wireless sensing network system as claimed in any one of claims 1-6, wherein a small-sized weather station is connected outside the weather ZigBee sensor node; the small meteorological station comprises a supporting rod arranged at the position of soil to be measured, and a sensor acquisition end, a solar panel and a control distribution box which are respectively arranged on the supporting rod; the sensor acquisition end comprises an air temperature sensor, a humidity sensor, an air speed sensor, a wind direction sensor, a rainfall sensor, an illumination intensity sensor, an ultraviolet sensor and an air pressure sensor which are integrally installed on a support rod and are respectively connected with a single chip microcomputer of a meteorological ZigBee sensor node through an RS485 bus; the inside battery that has set up for the power supply of sensor acquisition end of control block terminal, the battery is connected with solar panel.
8. The ZigBee technology-based outdoor crop environment data acquisition wireless sensor network system of claim 7, wherein: the small-sized weather station also comprises an LED display screen for displaying all sensor data acquired by the sensor acquisition end in real time.
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| CN202121736370.3U CN215114667U (en) | 2021-07-29 | 2021-07-29 | ZigBee technology-based outdoor crop environment data acquisition wireless sensor network system |
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