CN205080739U - Recovery system is put to wireless sensor node cloth under water - Google Patents

Abstract

The utility model relates to the technical field of underwater monitoring devices, in particular to an underwater wireless sensor node deployment recovery system. It includes sensor nodes; sensor nodes include buoys, plastic-coated steel cables and wireless transmitter modules set on buoys, inductively coupled data modems and data acquisition boards packaged in buoys, and sensor nodes mounted on plastic-coated steel cables in the form of coupling induction Temperature and pressure sensor, temperature and salinity depth meter and acoustic Doppler current velocity profiler; energy storage battery and GPS positioning module are also packaged in the buoy, and solar silicon crystal panels are installed on the surface of the buoy. The utility model uses buoys to integrate various detection components into one, realizes the transmission of monitoring data through inductive coupling, and finally transmits the data through wireless communication. The monitoring terminal can track the buoys in real time through the GPS positioning module, which is convenient Recover the sensor nodes, or deploy the sensor nodes according to the conditions of the monitored waters.

Description

An underwater wireless sensor node deployment recovery system

technical field

The utility model relates to the technical field of underwater monitoring devices, in particular to an underwater wireless sensor node deployment recovery system.

Background technique

With the development of marine resources and the continuous development of aquatic product farming technology, people need to deploy many devices underwater to monitor the underwater environment and water quality in real time. Therefore, how to effectively deploy or deploy underwater devices Recycling and completing water quality and underwater environment testing at the same time are technical problems that need to be solved urgently in related industries.

Utility model content

In view of the deficiencies in the above-mentioned prior art, the purpose of the utility model is a deployment and recovery system for underwater wireless sensor nodes with low cost, strong flexibility and accurate data detection.

In order to achieve the above object, the utility model adopts the following technical solutions:

An underwater wireless sensor node deployment recovery system, which includes a local monitoring terminal connected to a remote monitoring terminal through Ethernet, several network coordinators that transmit data to the local monitoring terminal through RS232 serial ports, and several network coordinators arranged in the Monitoring the sensor nodes in the water area, each of the network coordinators is connected to several sensor nodes through a wireless receiving module;

The sensor node includes a buoy, a plastic-coated steel cable and a wireless transmission module arranged on the buoy, an inductively coupled data modem and a data acquisition board packaged in the buoy, and a temperature and pressure sensor mounted on the plastic-coated steel cable in a coupled induction manner , temperature and salt depth meter and acoustic Doppler current velocity profiler; the inductively coupled data modem extracts the data detected by the temperature and pressure sensor, temperature and salt depth meter and acoustic Doppler current velocity profiler through plastic-coated steel cables and passes the data through The RS232 serial port is output to the data acquisition board, and the data acquisition board processes the received data and sends it to the corresponding network coordinator through the wireless transmitting module and the wireless receiving module;

The buoy is packaged with an energy storage battery for supplying power to the sensor nodes and a GPS positioning module for positioning and tracking the buoy and connected to the data acquisition board. Silicon crystal plate.

Preferably, the data acquisition board includes an STM32 series microcontroller connected to the inductively coupled data modem and the wireless transmitting module through the RS232 serial port, and a Flash memory connected to the microcontroller for temporary storage of received data.

Preferably, the buoy includes an elastic protective body and a relatively assembled top shell and bottom shell, the elastic protective body is covered at the joint position of the top shell and the bottom shell, and a balance load is arranged in the bottom shell;

The plastic-coated steel cable, the inductively coupled data modem, the data acquisition card and the energy storage battery are all packaged in the bottom shell, and the temperature and pressure sensor, the temperature and salt depth instrument and the acoustic Doppler current velocity profiler are all embedded in the bottom shell. The wireless transmitting module is installed in the top case, and the solar silicon crystal plate is embedded on the surface of the top case.

Preferably, both the wireless transmitting module and the wireless receiving module are FGR2 series industrial radios.

Due to the adoption of the above scheme, the utility model integrates various detection components by means of buoys and realizes the transmission of monitoring data through inductive coupling, and finally transmits the monitoring terminal in the form of wireless communication, through the GPS positioning module. The real-time tracking of buoys is convenient for the recovery of sensor nodes, or the deployment of sensor nodes according to the conditions of the monitored waters; its low cost, stable performance, flexible layout, and strong practical value and market promotion value.

Description of drawings

Fig. 1 is the system block diagram of the utility model embodiment;

Fig. 2 is the functional block diagram of the sensor node of the utility model embodiment;

Fig. 3 is a schematic structural diagram of a buoy according to an embodiment of the present invention.

detailed description

The embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, but the utility model can be implemented in various ways defined and covered by the claims.

As shown in Figures 1 to 3, an underwater wireless sensor node deployment recovery system provided by the embodiment of the present invention includes a local monitoring terminal b connected to a remote monitoring terminal a through Ethernet, several monitoring terminals through RS232 serial ports The data is transmitted to the network coordinator c of the local monitoring terminal b and several sensor nodes d arranged in the water area to be monitored, and each network coordinator c is connected to several sensor nodes d through a wireless receiving module e; wherein , the sensor node d includes a buoy, a plastic-coated steel cable 1 and a wireless transmitting module 2 arranged on the buoy, an inductively coupled data modem 3 and a data acquisition board 4 encapsulated in the buoy, and mounted on the plastic-coated steel cable 1 in a coupled induction manner The temperature and pressure sensor 5, the temperature and salt depth instrument 6 and the acoustic Doppler velocity profile instrument 7; the inductive coupling data modem 3 extracts the temperature and pressure sensor 5, the temperature and salt depth instrument 6 and the acoustic Doppler velocity profile through the plastic-coated steel cable 1 The data detected by the instrument 7 is output to the data acquisition board 4 through the RS232 serial port, and the data acquisition board 4 processes the received data and sends it to the corresponding network coordinator through the wireless transmitting module 2 and the wireless receiving module e In c; at the same time, an energy storage battery 8 for supplying power to each electrical component in the sensor node d and a GPS positioning module 9 for positioning and tracking the buoy and being connected to the data acquisition board 4 are also packaged in the buoy, and The surface of the buoy is provided with a solar silicon crystal plate 10 electrically connected to the energy storage battery 8 .

In this way, the buoys are used to integrate various detection components into one, realize the transmission of monitoring data through inductive coupling, and finally transmit the data through wireless communication to the monitoring terminal. Each sensor node d adopts its own energy. It is arranged in the monitored water area, reducing cumbersome line layout, and providing a good hardware foundation for monitoring the water environment and water quality; through the GPS positioning module 9, the buoys (ie, each sensor node d) can be tracked in real time, which is convenient Recover the sensor node d, or deploy the sensor node d according to the situation of the monitored water area.

In order to ensure the performance of the entire system and improve the accuracy of data processing, the data acquisition board 4 of the present embodiment includes a microcontroller 41 of the STM32 series connected to the inductively coupled data modem 3 and the wireless transmission module 2 respectively through the RS232 serial port and a microcontroller 41 connected to the microcontroller. The device 41 is connected to the Flash memory 42 for temporarily storing the received data.

In order to optimize the structure of the entire buoy and ensure the performance of each sensor node d, the buoy in this embodiment includes an elastic protective body 11 and a relatively assembled top shell 12 and bottom shell 13, and the elastic protective body 11 covers the top shell 12 and the bottom shell 13 phase-connected positions, and a balance load 14 is provided in the bottom shell 13; while the plastic-coated steel cable 1, the inductively coupled data modem 3, the data acquisition card 4 and the energy storage battery 8 are all packaged in the bottom shell 13, and the temperature and pressure sensor 5. The temperature, salinity, depth meter 6 and the acoustic Doppler flow velocity profiler 7 are both embedded in the bottom case 13, the wireless transmitting module 2 is installed in the top case 12, and the solar silicon crystal panel 10 is embedded in the surface of the top case. Therefore, the buoy can stably float on the water surface or underwater, use various detection instruments to detect the underwater environment or water quality, and collect light energy through the solar silicon crystal panel 10 to realize energy self-sufficiency.

In order to ensure the smoothness of communication, the wireless transmitting module 2 and the wireless receiving module e of this embodiment both adopt the 900 MHz industrial radio station of the FGR2 series.

The above is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure or equivalent process conversion made by using the specification of the utility model and the contents of the accompanying drawings may be directly or indirectly used in Other relevant technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (4)

1. A kind of underwater wireless sensor node lays recovery system, it is characterized in that: it comprises the local monitoring terminal that links to each other with remote monitoring terminal by Ethernet, several network coordinators that data is transmitted to local monitoring terminal by RS232 serial port and A number of sensor nodes arranged in the monitored waters, each of the network coordinators is connected to a number of sensor nodes through a wireless receiving module; The sensor node includes a buoy, a plastic-coated steel cable and a wireless transmission module arranged on the buoy, an inductively coupled data modem and a data acquisition board packaged in the buoy, and a temperature and pressure sensor mounted on the plastic-coated steel cable in a coupled induction manner , temperature and salt depth meter and acoustic Doppler current velocity profiler; the inductively coupled data modem extracts the data detected by the temperature and pressure sensor, temperature and salt depth meter and acoustic Doppler current velocity profiler through plastic-coated steel cables and passes the data through The RS232 serial port is output to the data acquisition board, and the data acquisition board processes the received data and sends it to the corresponding network coordinator through the wireless transmitting module and the wireless receiving module; The buoy is also packaged with an energy storage battery for supplying power to the sensor nodes and a GPS positioning module for positioning and tracking the buoy and connected to the data acquisition board. Solar silicon crystal panels. 2. A kind of underwater wireless sensor node deployment recovery system as claimed in claim 1, it is characterized in that: described data acquisition board comprises the STM32 series microcontroller that links to each other with inductive coupling data modem and wireless transmission module respectively through RS232 serial port A controller and a Flash memory connected to the microcontroller for temporary storage of received data. 3. A system for deploying and recovering underwater wireless sensor nodes as claimed in claim 2, wherein the buoy comprises an elastic protective body and relatively assembled top and bottom shells, and the elastic protective body is coated on The position where the top shell and the bottom shell are connected, and the bottom shell is provided with a balance load; The plastic-coated steel cable, the inductively coupled data modem, the data acquisition card and the energy storage battery are all packaged in the bottom shell, and the temperature and pressure sensor, the temperature and salt depth instrument and the acoustic Doppler current velocity profiler are all embedded in the bottom shell. The wireless transmitting module is installed in the top case, and the solar silicon crystal plate is embedded on the surface of the top case. 4. A system for deploying and recovering underwater wireless sensor nodes according to any one of claims 1-3, wherein the wireless transmitting module and the wireless receiving module are both FGR2 series industrial radio stations.