CN107621287A - A sensor network-based monitoring system and method for crop growth environment - Google Patents

Abstract

The invention discloses a crop growth environment monitoring system and method based on a sensor network, which remotely monitors the crop growth environment. A movable node aggregation device is used in the system. Analyze the data and find that the crop growth environment is abnormal, you can control the node convergence device to move to the corresponding area according to the location of the abnormal environment, and use the camera and sensor on the node convergence device to collect the image information of the current area and other growth environment data of the crops , to obtain more accurate and comprehensive data, which facilitates more comprehensive and detailed data analysis of the crop growth environment.

Description

A sensor network-based monitoring system and method for crop growth environment

technical field

The invention relates to the technical field of environmental monitoring, in particular to a sensor network-based crop growth environment monitoring system and method.

Background technique

Today, my country is vigorously promoting the construction of agricultural informatization, and agricultural informatization refers to the use of new technical methods to realize the collection, transmission, processing and agricultural management decision-making of agricultural information at a lower cost. The production is transformed and upgraded to achieve the purpose of scientific agricultural management and high agricultural yield. This is of great significance to the sustainable development of modern agricultural informatization and agriculture.

In realizing the goal of informatization, modernization and industrialization of agriculture, the informatization of agricultural production is a key step, that is, the use of low-cost information collection equipment to efficiently realize agricultural information collection and obtain agricultural production process. Key environmental information and knowledge. Agricultural environmental information includes air temperature and humidity, soil temperature and humidity, soil pH, sunlight, and carbon dioxide concentration in the air. These information provide original and reliable information support for scientific agricultural management. However, there are many actual agricultural information parameters. During the collection process, it is necessary to take into account the synchronization, real-time and distribution characteristics of the collection, as well as possible noise, outliers and other problems. These challenges have brought practical challenges to the realization of agricultural management informatization.

When realizing agricultural information collection, wired communication methods and wireless communication methods can be used. Among them, the wired communication method was widely used in the early stage, but there are problems such as high cost, cumbersome deployment and poor maintainability. With the development of wireless communication technology, the agricultural information collection system gradually adopts wireless communication. However, the characteristics of some wireless communication technologies lead to some problems in the system. For example, in order to collect more comprehensive data, various types of sensors in each location of the agricultural information collection system collect data at each location at the same time. The number of these sensors is large, so energy consumption is large and maintenance costs are high. These factors greatly limit the agricultural environment. The promotion and application of monitoring system in actual production.

Contents of the invention

The technical problem to be solved by the present invention is that for the various types of sensors in each position of the above-mentioned existing sensor network-based crop growth environment monitoring system, the data of each position are respectively collected at the same time. The number of these sensors is large, so the energy consumption is large and the maintenance cost is high. High, these factors greatly limit the technical defects of the promotion and application of the agricultural environment monitoring system in actual production, and provide a sensor network-based crop growth environment monitoring system and method.

According to one aspect of the present invention, in order to solve its technical problems, the present invention provides a sensor network-based crop growth environment monitoring system, including a data acquisition device, a node aggregation device and a remote processing device; wherein,

Each data acquisition device includes a sensor for collecting the growing environment of the crops, a position positioning module, and a local wireless transmitting module that sends the position information collected by the position positioning module and the data collected by the sensor corresponding to each position information to the node aggregation device;

The node aggregation device has a position positioning unit, a moving device, a local wireless receiving module for receiving data sent by each local wireless transmitting module, a sensor for collecting the growing environment of crops and different types of data collected by the sensor of the data collecting device, and a The remote communication module is used to send the data collected by each data collection device and the node aggregation device to the remote processing device, receive the position information sent by the remote processing device, and control the position according to the position information positioned by the position positioning unit. The moving device makes the node aggregation device move to the position corresponding to the position information sent by the remote processing device for data processing module for data collection;

The remote processing device is used to analyze the data collected by the sensors of each data acquisition device, and when the analysis shows that the crop growth environment is in an abnormal state, control the remote processing device to place the data corresponding to the crop growth environment in an abnormal state. The information is sent to the processor of the node aggregation device.

In the crop growth environment monitoring system of the present invention, the node convergence device also has an image acquisition unit for image acquisition.

In the crop growth environment monitoring system of the present invention, the image acquisition unit and the remote communication unit are realized by the Raspberry Pi development board.

In the crop growth environment monitoring system of the present invention, the sensors of the data acquisition device include a soil temperature and humidity sensor, a soil pH sensor and a light sensor.

In the crop growth environment monitoring system of the present invention, the sensors of the node convergence device include an air humidity temperature sensor and a carbon dioxide concentration sensor.

In the crop growth environment monitoring system of the present invention, the local wireless transmitting module is a Zigbee communication module, and the local wireless receiving module is a ZigBee coordinator.

In the crop growth environment monitoring system of the present invention, the data processing module is an STM32 main control module.

In the crop growth environment monitoring system of the present invention, the remote communication module is any one of a WiFi communication module, a 3G communication module, a 4G communication module and a 5G communication module.

In the crop growth environment monitoring system of the present invention, the remote processing device is a mobile phone and/or a computer.

According to another aspect of the present invention, the present invention also provides a kind of crop growth environment monitoring method based on sensor network, comprises the following steps in order to solve its technical problem:

The sensors of each data acquisition device collect the crop growth environment at the corresponding location, and the position positioning module of each data acquisition device collects its own position information;

The local wireless transmission modules of each data acquisition device respectively send the position information collected by the position positioning module and the data collected by the sensors corresponding to each position information to the node aggregation device;

The local wireless receiving module of the node aggregation device receives the data sent by each local wireless transmitting module;

The remote communication module of the node aggregation device sends the data collected by each data acquisition device to the remote processing device;

The processor of the remote processing device analyzes the data collected by the sensors of each data acquisition device, and when the analysis shows that the crop growth environment is in an abnormal state, the remote processing device is controlled to transmit the position information corresponding to the data that the crop growth environment is in an abnormal state to the node converging device;

The remote communication module of the node aggregation device receives the location information sent by the remote processing device;

The data processing module of the node convergence device controls the movement device according to the position information positioned by the position positioning unit so that the node convergence device moves to the position corresponding to the position information sent by the remote processing device for data collection;

The remote communication module of the node aggregation device also sends the data collected by the node aggregation device to the remote processing device.

Implement the crop growth environment monitoring system and method based on the sensor network of the present invention to remotely monitor the crop growth environment. A movable node aggregation device is used in the system. In the remote processing device, according to the data collected by each data acquisition device After analysis, when the crop growth environment is found to be abnormal, the node convergence device can be controlled to move to the corresponding area according to the location of the abnormal environment, and the camera and sensor on the node convergence device can be used to collect image information of the current area and other crop growth environment data to obtain More accurate and comprehensive data facilitate more comprehensive and detailed data analysis on the crop growth environment.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is the composition schematic diagram of the crop growth environment monitoring system based on sensor network of the present invention;

Fig. 2 is the composition diagram of an embodiment of the data acquisition device of the crop growth environment monitoring system based on the sensor network of the present invention;

Fig. 3 is a schematic composition diagram of an embodiment of the node aggregation device of the crop growth environment monitoring system of the present invention based on the sensor network;

Fig. 4 is a schematic composition diagram of an embodiment of the remote processing device of the sensor network-based crop growth environment monitoring system of the present invention.

detailed description

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.

Referring to FIG. 1 , the present invention provides a sensor network-based crop growth environment monitoring system, including a data collection device 1 , a node aggregation device 2 and a remote processing device 3 . There are multiple data collection devices 1, which are fixedly installed in different positions to collect data on the growth environment of crops in different positions. In this embodiment, the data collection devices 1 are respectively marked as A-N. The number of node convergence devices 2 is smaller than that of data collection devices 1. In this embodiment, the number of node convergence devices 2 is 1, and node convergence devices 2 are connected to each data collection device 1 by wireless communication to form node convergence devices 2 and each data collection device. 1 between the local wireless communication network. The node aggregation device 2 is also connected to the remote processing device 3 through wireless communication, and the node aggregation device 2 sends data to the remote processing device 3 for processing, or accepts the control of the remote processing device 3 . The remote processing device 3 can be a computer or a mobile phone.

Referring to FIG. 2 , the data acquisition device 1 includes a ZigBee communication module 11 , a soil temperature and humidity sensor 12 , a soil pH sensor 13 , a light sensor 14 , a GPS module 15 and reserved I/O ports. Wherein, the soil temperature and humidity sensor 12 is used to detect the temperature and humidity of the soil where the current sensor is located; the soil pH sensor 13 is used to detect the pH of the soil where the current sensor is located; the light sensor 14 is used to detect the sunlight at the current sensor position The irradiation intensity; the GPS module 15 is used to obtain the position information where the current sensor is located. These sensors are used to collect crop growth environment data from multiple aspects. At the same time, I/O ports are reserved on the data collection nodes for later expansion of other sensors. The above-mentioned sensors are all communicatively connected to the ZigBee communication module 11. At the same time, the ZigBee communication module 11 and the ZigBee coordinator 21 of the node aggregation device 2 form a sensor network to transmit the growth environment data collected by the above-mentioned various sensors and the location information collected by the GPS module 15. To the ZigBee coordinator 21, the transmitted location information should be associated with the growth environment data.

Referring to Fig. 3, the node aggregation device 2 includes a ZigBee coordinator 21, an STM32 main control module 22, a motion device 23, an air humidity temperature sensor 24, a carbon dioxide concentration sensor 25, a GPS module 26, a remote communication module 27 and an image acquisition unit 28, Each module is connected to the STM32 main control module 22 respectively. The ZigBee coordinator 21 is a wireless sensor network data convergence node, which can form a sensor network with the data acquisition device 1, and is used to receive growth environment data and location information transmitted by each data acquisition device 1. The STM32 main control module 22 is a control module using STM32 series chips. The movement device 23 can make the node aggregation device 2 move under the control of the STM32 main control module 22, such as ground movement and/or air flight. The air temperature and humidity sensor 24 is used to measure the temperature and humidity of the air, and the carbon dioxide concentration sensor 25 is used to detect the concentration of carbon dioxide in the air. Since the air temperature and humidity sensor 24, the carbon dioxide concentration sensor 25 are different from the data types collected on the data acquisition device 1, Therefore, the GPS module 26 of the crop growth environment can be used to obtain the location information of the node aggregation device 2 for the data collection device 1 . The remote communication module 27 and the image acquisition unit 28 are implemented with the Raspberry Pi development board as a carrier, and the image acquisition unit 28 utilizes the camera mounted on the Raspberry Pi development board to perform image acquisition, and is used to obtain the crops and /or image information of the growing environment of the crops. The remote communication module 27 is based on a wireless network, uses the Raspberry Pi as a server, uses Socket to connect to the remote processing device 3, realizes network communication, and sends the data collected by each data collection device 1 and node aggregation device 2 to the remote processing device 3 and receiving the location information sent by the remote processing device 3 . Among them, among the data uploaded to the remote processing device 3: the data information collected by each data collection device 1 includes the data collected by each sensor and the data collected by the GPS module 15, and the data collected by the node aggregation device 2 includes the data collected by the GPS module 26. data, data collected by each sensor (associated with the data collected by the GPS module 26 ), and image data collected by the image collection unit 28 . After the node aggregation device 2 receives the location information sent by the remote processing device 3, the STM32 main control module 22 controls the movement device 23 according to the location information located by the GPS module 26 so that the node aggregation device 2 moves to the remote processing device 3 to send Data collection is performed at the location corresponding to the incoming location information, and the data collection includes at least the sensors that collect the crop growth environment of the node aggregation device 2 and that are different from the data collected by the sensors of the data collection device 2, such as the air sensor of this embodiment. Humidity temperature sensor 24, carbon dioxide concentration sensor 25 can also comprise image acquisition unit 26, GPS module 26 (the data that GPS module 26 gathers at this moment is associated with the data that each sensor of data acquisition device 2 gathers), and the data that gathers is sent to remote Processing device 3.

The node aggregation device 2 is used as the middle part connecting the data acquisition device 1 and the remote processing device 3. When the growth environment information data of the crops collected by the data acquisition device 1 is analyzed by the remote processing device and the growth environment is abnormal, the system can according to the data acquisition device. 1 (obtained by sending the remote processing device 3 to the node aggregation device 2) and the location information of the node aggregation device 2, control the node aggregation device 2 to move to the position of the corresponding data acquisition device 1, and use the video acquisition unit 28 and Each sensor acquires image information and other types of crop growth ring-type data to obtain more comprehensive and accurate information, and transmits the obtained information to the remote processing device 3 .

After receiving various data, the remote processing device 3 can also perform operations such as displaying and analyzing the data, which belong to common technical means in the field and will not be repeated here.

Please refer to FIG. 4 , the remote processing device 3 includes a computer terminal and an Android terminal, both of which can be used to display the data collected by the data collection device 1 and the node aggregation device 2 . The computer terminal is also used to remotely diagnose whether the growth environment is abnormal. When an abnormality occurs, the control node aggregation device 2 moves to the designated area; the Android terminal is mainly used for real-time monitoring of growth environment information, and managers can view the environment anytime, anywhere information data.

The workflow of a sensor network-based crop growth environment monitoring system provided by the present invention is as follows:

The sensor of each data acquisition device 1 collects the crop growth environment of the corresponding position, and the position positioning module of each data acquisition device 1 collects its own position information;

The local wireless transmission module of each data acquisition device 1 sends the position information collected by the position positioning module and the data collected by the sensor corresponding to each position information to the node aggregation device;

The local wireless receiving module of the node aggregation device 2 receives the data sent by each local wireless transmitting module;

The remote communication module of the node aggregation device 2 sends the data collected by each data collection device to the remote processing device;

The processor of the remote processing device 3 analyzes the data collected by the sensors of each data acquisition device 1, and when the analysis shows that the crop growth environment is in an abnormal state, the remote processing device 3 is controlled to store the position information corresponding to the data that the crop growth environment is in an abnormal state Send to the node aggregation device 2;

The remote communication module of the node aggregation device 2 receives the location information sent by the remote processing device;

The data processing module of the node convergence device 2 controls the movement device according to the position information positioned by the position positioning unit so that the node convergence device 2 moves to the position corresponding to the position information sent by the remote processing device 3 for data collection;

The remote communication module of the node aggregation device 2 also sends the data collected by the node aggregation device 2 to the remote processing device 3 . The remote processing device 3 processes and analyzes the data collected by the node convergence device 2 and the data collected by the data collection device 1 before/simultaneously with the node convergence device 2 to obtain more comprehensive and accurate crop growth environment information.

Embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementations, and the above-mentioned specific implementations are only illustrative, rather than restrictive, and those of ordinary skill in the art will Under the enlightenment of the present invention, many forms can also be made without departing from the gist of the present invention and the protection scope of the claims, and these all belong to the protection of the present invention.

Claims (10)

1. A sensor network-based crop growth environment monitoring system, characterized in that it includes a data acquisition device, a node aggregation device and a remote processing device; wherein, Each data acquisition device includes a sensor for collecting the growing environment of the crops, a position positioning module, and a local wireless transmitting module that sends the position information collected by the position positioning module and the data collected by the sensor corresponding to each position information to the node aggregation device; The node aggregation device has a position positioning unit, a moving device, a local wireless receiving module for receiving data sent by each local wireless transmitting module, a sensor for collecting the growing environment of crops and different types of data collected by the sensor of the data collecting device, and a The remote communication module is used to send the data collected by each data collection device and the node aggregation device to the remote processing device, receive the position information sent by the remote processing device, and control the position according to the position information positioned by the position positioning unit. The moving device makes the node aggregation device move to the position corresponding to the position information sent by the remote processing device for data processing module for data collection; The remote processing device is used to analyze the data collected by the sensors of each data acquisition device, and when the analysis shows that the crop growth environment is in an abnormal state, control the remote processing device to place the data corresponding to the crop growth environment in an abnormal state. The information is sent to the processor of the node aggregation device. 2 . The crop growth environment monitoring system according to claim 1 , wherein the node converging device also has an image acquisition unit for image acquisition. 3 . 3. The crop growth environment monitoring system according to claim 2, characterized in that, the image acquisition unit and the remote communication unit are realized by a Raspberry Pi development board. 4 . The crop growth environment monitoring system according to claim 1 , wherein the sensors of the data acquisition device include soil temperature and humidity sensors, soil pH sensors and light sensors. 5 . The crop growth environment monitoring system according to claim 1 , wherein the sensors of the node aggregation device include air humidity temperature sensors and carbon dioxide concentration sensors. 6 . 6. The crop growth environment monitoring system according to claim 1, wherein the local wireless transmitting module is a Zigbee communication module, and the local wireless receiving module is a ZigBee coordinator. 7. The crop growth environment monitoring system according to claim 1, wherein the data processing module is an STM32 main control module. 8. The crop growth environment monitoring system according to claim 1, wherein the remote communication module is any one of a WiFi communication module, a 3G communication module, a 4G communication module and a 5G communication module. 9. The crop growth environment monitoring system according to claim 1, wherein the remote processing device is a mobile phone and/or a computer. 10. A sensor network-based method for monitoring the growing environment of crops, characterized in that it comprises the steps of: The sensors of each data acquisition device collect the crop growth environment at the corresponding location, and the position positioning module of each data acquisition device collects its own position information; The local wireless transmission modules of each data acquisition device respectively send the position information collected by the position positioning module and the data collected by the sensors corresponding to each position information to the node aggregation device; The local wireless receiving module of the node aggregation device receives the data sent by each local wireless transmitting module; The remote communication module of the node aggregation device sends the data collected by each data acquisition device to the remote processing device; The processor of the remote processing device analyzes the data collected by the sensors of each data acquisition device, and when the analysis shows that the crop growth environment is in an abnormal state, the remote processing device is controlled to transmit the position information corresponding to the data that the crop growth environment is in an abnormal state to the node converging device; The remote communication module of the node aggregation device receives the location information sent by the remote processing device; The data processing module of the node convergence device controls the movement device according to the position information positioned by the position positioning unit so that the node convergence device moves to the position corresponding to the position information sent by the remote processing device for data collection; The remote communication module of the node aggregation device also sends the data collected by the node aggregation device to the remote processing device.