CN204836212U - Gateway system is fused in many communications based on WSN meteorological observation - Google Patents

Abstract

The utility model discloses a gateway system is fused in many communications based on WSN meteorological observation, assemble the module including main control board and the wiFi module of connecting with it respectively, big dipper satellite module, GPRS module, zigbee data, still include the several setting at the zigbee data acquisition module of different positions, the zigbee data assemble and set up radio communication between module and each zigbee data acquisition module, each zigbee data acquisition module gathers the meteorological data of various places and assembles to the zigbee data through radio communication and assemble the module, and the zigbee data assemble the module and give the main control board with the data transfer who assembles, and big dipper satellite module collection location time service data send the main control board to, and the main control board is transmitted the received data to the observation terminal through wiFi module and GPRS module. The utility model discloses fuse multiple communication mode, solved conventional art communication signal and the limited problem of communication range.

Description

Multi-communication fusion gateway system based on WSN meteorological observation

technical field

The utility model belongs to the field of meteorological observation wireless sensor networks, in particular to a multi-communication fusion gateway system based on WSN meteorological observation.

Background technique

Wireless sensor network (WSN) has the functions of information collection, information transmission and information processing. Currently, the research on it is very active, especially in the meteorological industry. The establishment of the meteorological observation wireless sensor network is helpful to promote the development of the meteorological observation system, and can accelerate the automation and informatization of meteorological observation.

With the development of network technology, various communication technologies emerge in an endless stream, especially Beidou satellite communication, WIFI communication, and GPRS communication are developing most rapidly. At present, the existing wireless gateways based on WSN+WIFI and WSN+GPRS mainly have the following disadvantages: ①The coverage of WIFI is small, and some remote places have no WIFI coverage or the strength of WIFI is very weak, so the system cannot realize data transmission. ② GPRS covers a wide area, but the transmission speed of GPRS is slow. When the data capacity is large, the data transmission takes a long time and cannot be transmitted to the terminal in time. ③ The existing gateway system cannot reasonably select the communication module according to the existing communication mode, so as to make the transmission speed faster and more efficient. ④ When the communication module fails, other communication modules cannot be used for data transmission, which reduces the security of the system.

Utility model content

In order to solve the technical problems raised by the above-mentioned background technology, the utility model aims to provide a multi-communication fusion gateway system based on WSN meteorological observation, which integrates multiple communication methods and solves the problem of limited communication signals and communication range in traditional technology.

In order to realize above-mentioned technical purpose, the technical scheme of the utility model is:

The multi-communication fusion gateway system based on WSN meteorological observation, including the main control board and the WiFi module connected to it, the Beidou satellite module, the GPRS module, the Zigbee data aggregation module, and several Zigbee data acquisition modules set in different positions, Set up wireless communication between described Zigbee data collection module and each Zigbee data collection module; Described each Zigbee data collection module collects the meteorological data of various places and converges to Zigbee data collection module by wireless communication, and Zigbee data collection module transmits the data of collection For the main control board, the Beidou satellite module collects positioning and timing data and transmits it to the main control board. The main control board forwards the received data to the observation terminal through the WiFi module and GPRS module, and forwards the data to the ground observation center through the Beidou satellite module .

Wherein, the above-mentioned main control board includes a microprocessor and a power circuit, a crystal oscillator circuit and a storage module respectively connected thereto, and the microprocessor is connected to a WiFi module, a Beidou satellite module, a GPRS module and a Zigbee data aggregation module.

Wherein, the above-mentioned microprocessor is connected with a field bus interface, and the microprocessor is connected with each observation RFID handheld positioning device through the field bus interface.

Wherein, the above-mentioned microprocessor adopts SMT32 embedded chip.

Wherein, the above-mentioned Zigbee data acquisition module includes a meteorological data sensor, a signal conditioning circuit and a Zigbee communication chip connected in sequence.

Wherein, the above-mentioned GPRS module is provided with an audio interface and a microphone interface.

The beneficial effect brought by adopting the above-mentioned technical scheme:

Compared with the traditional gateway system that only has a single communication mode, the utility model integrates multiple communication modes: Beidou satellite, WIFI, GPRS, Zigbee, and can select the appropriate communication mode according to the status of various communication modes, which solves the problem of existing gateways. The system has problems of low efficiency, insecurity, instability, and narrow scope of application.

Description of drawings

Fig. 1 is a system structure diagram of the utility model.

Detailed ways

The technical solutions of the present utility model will be described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 1, the system structural block diagram of the present utility model, the multi-communication fusion gateway system based on WSN meteorological observation, includes the main control board and the WiFi module, Beidou satellite module, GPRS module, Zigbee data aggregation module connected with it respectively, and also It includes several Zigbee data acquisition modules arranged in different positions, and wireless communication is established between the Zigbee data aggregation module and each Zigbee data acquisition module.

In this embodiment, the main control board includes a microprocessor and a power supply circuit, a crystal oscillator circuit and a storage module respectively connected thereto, and the microprocessor is connected to a WiFi module, a Beidou satellite module, a GPRS module and a Zigbee data convergence module. The microprocessor adopts SMT32 embedded chip.

In this embodiment, the microprocessor is connected with a field bus interface, and the microprocessor is connected with each observing RFID handheld positioning device through the field bus interface.

In this embodiment, the Zigbee data acquisition module includes a weather data sensor, a signal conditioning circuit and a Zigbee communication chip connected in sequence. Zigbee communication chip adopts CC2530 chip.

In this embodiment, the GPRS module is provided with an audio interface and a microphone interface. GPRS module adopts Huawei MG323.

In this embodiment, the WiFi module includes a wireless network card Marvell8686 and a high-gain omnidirectional antenna connected to it.

In this embodiment, the Beidou satellite module includes a Beidou navigation/timing module UM220 and a navigation antenna and a Bluetooth antenna connected to it.

Work process of the present utility model:

First of all, the meteorological data sensors placed in the Zigbee data acquisition modules in various places collect local temperature, humidity, wind direction and other meteorological data, and after signal conditioning dialup conditioning, the meteorological data are aggregated to the Zigbee convergence module through the Zigbee communication module, and the Zigbee convergence module will At the same time, the Beidou satellite module receives the positioning and timing data from the satellite through the navigation antenna and transmits it to the microprocessor. The microprocessor fuses the meteorological data and positioning and timing data into new data. stored in the storage module.

Then, the main control board detects the WiFi signal strength through the WiFi module. If the WiFi signal is strong, the main control board forwards the above-mentioned fused new data to the observation terminal through the WiFi module. If no WiFi signal is detected or the detected WiFi signal is weak, it is checked whether the GPRS module is available, and if it is available, the new data is forwarded to the observation terminal through the GPRS module.

Finally, the main control board detects whether the Beidou satellite module is available, and if it is available, the new data is forwarded to the ground observation center through the Beidou satellite.

The main control board is connected with various observation RFID handheld positioning devices through the field bus interface, and the observation RFID handheld positioning device transmits the collected meteorological data to the main control board.

The GPRS module is equipped with an audio port and a microphone port, through which the voice communication function with each observation terminal can be realized.

The above embodiments are only to illustrate the technical ideas of the utility model, and cannot limit the protection scope of the utility model with this. Any changes made on the basis of the technical solutions according to the technical ideas proposed by the utility model all fall into the scope of the utility model. within the scope of the new protection.

Claims (6)

1. The multi-communication fusion gateway system based on WSN meteorological observation is characterized in that it includes a main control board and a WiFi module connected to it respectively, a Beidou satellite module, a GPRS module, and a Zigbee data aggregation module, and several modules set in different positions The Zigbee data collection module, wireless communication is established between the Zigbee data collection module and each Zigbee data collection module; Described each Zigbee data collection module gathers the meteorological data of various places and gathers to Zigbee data collection module by wireless communication, Zigbee data collection The module transmits the aggregated data to the main control board. The Beidou satellite module collects positioning and timing data and transmits it to the main control board. The main control board forwards the received data to the observation terminal through the WiFi module and GPRS module, and sends The data are forwarded to the ground observation center. 2. according to the described multi-communication fusion gateway system based on WSN meteorological observation of claim 1, it is characterized in that: the main control board includes a microprocessor and a power circuit, a crystal oscillator circuit and a storage module connected thereto respectively, and the microprocessor The processor is connected with WiFi module, Beidou satellite module, GPRS module and Zigbee data aggregation module. 3. The multi-communication fusion gateway system based on WSN meteorological observation according to claim 2, characterized in that: the microprocessor is connected with a field bus interface, and the microprocessor is connected with each observation RFID handheld positioning device through the field bus interface. 4. The multi-communication fusion gateway system based on WSN meteorological observation according to claim 2, characterized in that: said microprocessor adopts SMT32 embedded chip. 5. according to the described multi-communication fusion gateway system based on WSN meteorological observation of claim 1, it is characterized in that: described Zigbee data collection module comprises the meteorological data sensor, signal conditioning circuit and Zigbee communication chip that are connected successively. 6. The multi-communication fusion gateway system based on WSN meteorological observation according to claim 1, characterized in that: the GPRS module is provided with an audio interface and a microphone interface.