CN210899634U - Desert environment monitoring system based on Zigbee wireless sensor network - Google Patents
Desert environment monitoring system based on Zigbee wireless sensor network Download PDFInfo
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- CN210899634U CN210899634U CN202020029932.XU CN202020029932U CN210899634U CN 210899634 U CN210899634 U CN 210899634U CN 202020029932 U CN202020029932 U CN 202020029932U CN 210899634 U CN210899634 U CN 210899634U
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- 230000007613 environmental effect Effects 0.000 claims abstract description 16
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Abstract
The utility model discloses a desert environment monitoring system based on Zigbee wireless sensor network, which comprises a data acquisition node, a data transfer device and a data terminal; the collection nodes periodically collect soil and air temperature and humidity information through sensors and transmit the soil and air temperature and humidity information to the data transfer device in a wireless multi-hop mode; the data relay processor processes the acquired data and transmits the processed data to the data terminal; the data terminal obtains data through the GPRS server side, and the upper computer stores and displays the data, so that the function of remotely monitoring the environment is finally achieved. The utility model adopts Zigbee wireless sensor network to monitor desert environment, realizes intellectualization, high real-time performance and wide detection range; the method has important guiding significance for the future environmental monitoring development direction.
Description
Technical Field
The utility model relates to a desert environment monitoring system especially relates to a desert environment monitoring system based on Zigbee wireless sensor.
Background
Because the environment of desert is abominable, if use the manual mode to pass through measuring instrument such as temperature, humidity and measure environmental parameter, can consume a large amount of manpowers, financial resources, use the difficult realization of manual mode real-time supervision moreover.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to solve the problem that prior art exists, the utility model provides a realize desert environmental monitoring system based on zigBee wireless sensor network of long-range real-time supervision desert environmental parameter.
The technical scheme is as follows: the system of the utility model comprises a data acquisition node, a data transfer device and a data terminal; the collection nodes periodically collect soil and air temperature and humidity information through sensors and transmit the soil and air temperature and humidity information to the data transfer device in a wireless multi-hop mode; the data relay processor processes the acquired data and transmits the processed data to the data terminal; the data terminal obtains data through the GPRS server side, and the upper computer is used for storing and displaying, so that the function of remotely monitoring the environment is finally achieved.
The acquisition node consists of a temperature and humidity sensor, a radio frequency chip based on a Zigbee technology and a signal adjusting circuit; the temperature and humidity sensor collects soil and air temperature and humidity environment parameters.
The data transfer device consists of an industrial personal computer, a GPRS module and a sink node; the data transfer device processes all the data of the acquisition nodes and communicates with an upper computer of the remote data processing center; the sink nodes process data and transmit the data to the industrial personal computer in a serial port mode, and the industrial personal computer transmits the data to the remote upper computer in a GPRS mode.
A radio frequency chip based on a Zigbee technology simulates and processes an environment variable and sends the sink node; the environment parameters obtained by the acquisition nodes are transmitted to the sink nodes through a Zigbee network, the sink nodes transmit data to the industrial personal computer in a serial port communication mode, and then the parameters are transmitted to the transfer server through the GPRS module to wait for the remote upper computer to receive the parameters.
The data terminal consists of an upper computer, a database and a GPRS server; and the upper computer stores and displays the environmental parameters obtained from the GPRS server side and sent by the data transfer device.
Has the advantages that: compared with the prior art, the utility model adopts the Zigbee wireless sensor network to monitor the desert environment, realizes intellectualization, and has high real-time performance and wide detection range; and guidance is provided for the development direction of future environmental monitoring.
Drawings
FIG. 1 is a diagram of the overall system framework of the present invention;
FIG. 2 is a view of the structure of the collection node of the present invention;
FIG. 3 is a diagram of a data transfer device according to the present invention;
fig. 4 is a diagram of the structure of the data terminal of the present invention;
FIG. 5 is a flow chart of the sensor acquisition software of the present invention;
FIG. 6 is a flow chart of the node data collection software of the present invention;
fig. 7 is a flow chart of the data communication software of the collection node of the present invention;
fig. 8 is a flow chart of the data communication software of the sink node of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the drawings and the detailed description.
Hardware design
Radio frequency chip based on Zigbee technique: a CC2430 chip is selected, a CPU, a memory, common in-chip peripherals and an RF (radio frequency) unit are integrated on a single chip of the CC2430 chip, and a module of the CC2430 chip processes digital parameters acquired by a sensor to obtain analog quantity data.
As shown in FIG. 1, the system of the present invention is composed of a data terminal, a data transfer module and a collection node.
As shown in fig. 2, is a collection node framework. The acquisition node is a Zigbee networking equipment terminal, acquires and processes sensor data and sends the environmental parameters to the sink node. The acquisition node consists of a sensor, a radio frequency chip based on a Zigbee technology and a signal adjusting circuit board. The temperature and humidity sensor collects the environmental parameters of soil and air temperature and humidity; a radio frequency chip based on a Zigbee technology simulates and processes an environment variable and sends a sink node; the signal conditioning circuit board realizes the functions of supplying power to the sensor and the like.
Fig. 3 is a block diagram of a data relay. The data transfer device consists of an industrial personal computer, a GPRS module and a sink node. The data transfer device not only processes all the data of the acquisition nodes, but also communicates with an upper computer of the remote data processing center. The sink node is in a role of a coordinator in a Zigbee networking, the environmental parameters obtained by the acquisition nodes are transmitted to the sink node through a Zigbee network, the sink node transmits data to the industrial personal computer in a serial port communication mode, and then the parameters are transmitted to the transfer server by using the GPRS module to wait for the remote upper computer to receive the parameters.
As shown in fig. 4, the data terminal is composed of an upper computer, a database and a GPRS server. And the upper computer obtains the environmental parameters sent by the data transfer device from the GPRS server side, and stores and displays the environmental parameters obtained by database management.
The collection node periodically collects soil and air temperature and humidity environment parameters through the sensor and transmits the soil and air temperature and humidity environment parameters to the sink node. The sink nodes process the data and transmit the data to the industrial personal computer in a serial port mode, and the industrial personal computer transmits the data to the remote upper computer in a GPRS mode.
Second, software design
Software design of system mainly includes environmental data collection and data transmission.
FIG. 5 shows a sensor acquisition software flow design. The sensor data acquisition mainly acquires temperature and humidity parameters of soil and air in an environment to be measured. The sensor data acquisition is realized in a polling mode. Whether the control mark of the environmental variable sensor to be detected is turned on or not is judged through polling every time, if the control mark is turned on, the control signal regulating circuit is controlled to turn on a power supply of the sensor to supply power, and the sensor acquires data temperature and humidity. The acquisition node mainly acquires the original environment parameters obtained by the sensor through a radio frequency chip based on a Zigbee technology. The radio frequency chip based on the Zigbee technology processes the digital parameters acquired by the sensor to obtain analog quantity data.
Fig. 6 shows a flow design of data collection software for collection nodes. The data acquisition process of the acquisition node comprises the following steps:
① performing initialization operations including protocol stack and SPI bus operations;
②, joining the Zigbee network, wherein the network access operation refers to the process of all nodes in the network self-organizing process;
③, inquiring whether a task is set under the control of the OSAL, carrying out an environmental parameter collection task, entering a dormant state if no collection task or the collection task is completed, and simultaneously ensuring time synchronization of each node by adopting a time calibration mode.
The environmental parameters obtained by the sensor can be obtained through node acquisition. The data communication of the acquisition nodes is mainly the received sensor data sending sink nodes. And the acquisition node communicates with the aggregation node through a z-stack protocol stack to carry out initialization operation.
Fig. 7 shows a data communication software flow design of the collection node. The communication between the collection nodes and the sink nodes is controlled through the OSAL, wireless transmission is carried out, and the SampleAPP is created for processing. If the introduced message EVENT (SYS EVENT) is triggered, judging the type of the triggering EVENT. When receiving the AF layer data, firstly processing the data, then judging whether the communication event with the sink node is triggered, and after being triggered, carrying out the communication between the collection node and the sink node. The communication event mainly comprises local acquisition data uploading, node configuration, event calibration, local node neighbor table uploading and local routing table uploading. The sink node data communication is mainly the communication process with the acquisition node and the industrial personal computer. The environment data obtained by the acquisition nodes are transmitted to the sink node through the Zigbee wireless sensor network, and the data obtained by the sink node is transmitted to the industrial personal computer through the serial port. And creating a SampleAPP to process the data communication of the sink node, and creating 3 events of serial port communication, wireless communication and dormancy for the task.
Fig. 8 shows a process design of the sink node data communication software. The data communication flow of the sink node is as follows:
② finishing the initialization configuration of z-stack by the cluster node;
②, starting to construct a sensing network, firstly adding the sensing network into a network system, then allowing a node communicating with the node to add into the network, and finally performing roll calling operation on the acquired node to judge whether the network is constructed, which is a Zigbee wireless sensing network ad hoc network process;
③ informing the industrial computer of the communication, using the OSAL to control the data transmission, when the serial communication is set, communicating with the industrial computer, when the wireless communication event is set, communicating with the collected node, otherwise entering the dormancy to reduce power consumption.
The data terminal data communication receives the environment parameter transmitted by the data repeater through the GPRS service terminal by the upper computer software. The industrial personal computer of the data transfer device receives the environment variable and then transmits the environment parameter collected by the Zigbee wireless sensor network to the GPRS server through the GPRS module, and the remote upper computer reads the data of the GPRS server to store and visually display the data, so that the environment variable to be detected can be conveniently monitored in real time.
Claims (5)
1. The utility model provides a desert environment monitoring system based on Zigbee wireless sensor network which characterized in that: the system comprises a data acquisition node, a data transfer device and a data terminal; the collection nodes periodically collect soil and air temperature and humidity information through sensors and transmit the soil and air temperature and humidity information to the data transfer device in a wireless multi-hop mode; the data relay processor processes the acquired data and transmits the processed data to the data terminal; the data terminal obtains data through the GPRS server side, and the upper computer stores and displays the data, so that the function of remotely monitoring the environment is finally achieved.
2. The system of claim 1, wherein the system comprises: the acquisition node consists of a temperature and humidity sensor, a radio frequency chip based on a Zigbee technology and a signal adjusting circuit; the temperature and humidity sensor collects soil and air temperature and humidity environment parameters.
3. The system of claim 1, wherein the system comprises: the data transfer device consists of an industrial personal computer, a GPRS module and a sink node; the data transfer device processes all the data of the acquisition nodes and communicates with an upper computer of the remote data processing center; the sink nodes process data and transmit the data to the industrial personal computer in a serial port mode, and the industrial personal computer transmits the data to the remote upper computer in a GPRS mode.
4. The system of claim 3, wherein the system comprises: the radio frequency chip based on the Zigbee technology simulates and processes environment variables and sends the sink node; the environment parameters obtained by the acquisition nodes are transmitted to the sink nodes through a Zigbee network, the sink nodes transmit data to the industrial personal computer in a serial port communication mode, and then the parameters are transmitted to the transfer server through the GPRS module to wait for the remote upper computer to receive the parameters.
5. The system of claim 1, wherein the system comprises: the data terminal consists of an upper computer, a database and a GPRS server; and the upper computer stores and displays the environmental parameters obtained from the GPRS server side and sent by the data transfer device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020029932.XU CN210899634U (en) | 2020-01-08 | 2020-01-08 | Desert environment monitoring system based on Zigbee wireless sensor network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020029932.XU CN210899634U (en) | 2020-01-08 | 2020-01-08 | Desert environment monitoring system based on Zigbee wireless sensor network |
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| CN210899634U true CN210899634U (en) | 2020-06-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112566213A (en) * | 2021-02-22 | 2021-03-26 | 成都鑫芯电子科技有限公司 | Automatic relay method of low-power-consumption wireless irrigation control system |
| CN113596762A (en) * | 2021-08-04 | 2021-11-02 | 温州科技职业学院 | Meteorological monitoring system based on island sensor network |
-
2020
- 2020-01-08 CN CN202020029932.XU patent/CN210899634U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112566213A (en) * | 2021-02-22 | 2021-03-26 | 成都鑫芯电子科技有限公司 | Automatic relay method of low-power-consumption wireless irrigation control system |
| CN112566213B (en) * | 2021-02-22 | 2021-05-14 | 成都鑫芯电子科技有限公司 | Automatic relay method of low-power-consumption wireless irrigation control system |
| CN113596762A (en) * | 2021-08-04 | 2021-11-02 | 温州科技职业学院 | Meteorological monitoring system based on island sensor network |
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