CN105068452A - Marine environment field remote detection system - Google Patents
Marine environment field remote detection system Download PDFInfo
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- CN105068452A CN105068452A CN201510421352.9A CN201510421352A CN105068452A CN 105068452 A CN105068452 A CN 105068452A CN 201510421352 A CN201510421352 A CN 201510421352A CN 105068452 A CN105068452 A CN 105068452A
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
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- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Abstract
The invention discloses a marine environment field remote detection system, comprising a remote control system and a wireless transmission system. The wireless transmission system comprises a center node, a plurality of route nodes and a plurality of terminal nodes, wherein the center and the remote control system are in serial port communication, and the center node and the route nodes are in wireless communication; each route node and a plurality of terminal nodes form a wireless transmission base group; the plurality of terminal nodes are all in a sound wave signal transmission range; in the wireless transmission base group, the data of the plurality of terminal nodes is sent to corresponding route nodes, and according to a preset route rule, the data is sent up to a next route node, and is successively uploaded to the center node; the center node and the route nodes are all 433MHz wireless transmission modules; the terminal nodes are composed of 433MHz wireless transmission modules and environment detection systems. The marine environment field remote detection system utilizes less instruments to realize the average parameter detection of a large scope marine environment field, data long distance transmission and detection system remote control.
Description
Technical field
The present invention relates to ocean environment monitoring technical field, particularly a kind of marine environment field remote detecting system.
Background technology
Wide ocean becomes the important component part of Global Ecological circle with the water body of its occupation of land 98%, the reserves of ocean resources are inestimable, China is the coastal state that world population is maximum, ocean development lists national development strategy in, science and technology support is be unable to do without to the exploitation of ocean resources, ocean development is different from the exploitation of land, the impact of its special environment on exploitation is very large, marine resources development depends on the guarantee of marine environment to a great extent, we must have at fingertips to the marine environment of developing zone, and need the moment to obtain the temperature of marine environment field, salinity and density etc. parameter, therefore set up marine environment field information system tool to be of great significance.
In prior art, usual employing be can the single-point measurement method of Measuring Oceanic environmental parameter, the method defect is: cannot be applicable to large-scale environmental parameter, and cannot obtain marine environment mean parameter in certain limit, and thus single-spot way tool has a serious limitation.
In addition, marine acoustic tomography is a kind of effective ways realizing ocean environment parameter detection, it refers to a kind of remote sensing technology utilizing acoustic method in Measuring of sea area drive marine characteristic on a large scale, during the laminar analysis measurement of ocean, around measured waters, lay several underwater sounds transmitting and receiving transducer, acoustical signal launched by some transducers, other receive acoustical signal, and accurately measure the travel-time of sound wave, calculate the speed of Acoustic Wave Propagation, obtain the temperature of seawater, salinity, density, the parameters such as the flow direction and flow velocity, but current most of marine acoustic tomography is also in conceptual phase, due to equipment complexity, platform building difficulty is too high and cannot drop into actual use.
In view of this, the present inventor's especial manufacture goes out a kind ofly less instrument can be utilized to realize large-scale ocean wave parameter detect, can the marine environment field remote detecting system of Long-range Data Transmission and Long-distance Control, and this case produces thus.
Summary of the invention
The object of the present invention is to provide a kind of marine environment field remote detecting system and detection method thereof, the mean parameter that less instrument can be utilized to realize large-scale marine environment field detects, and realizes the long-distance transmissions of data and the Long-distance Control of detection system.
To achieve these goals, technical scheme of the present invention is as follows:
Marine environment field remote detecting system, comprising:
Tele-control system, tele-control system transmits control signal to environmental monitoring system, and tele-control system is the data packet signal that returns of acquisition and processing environmental monitoring system also;
Wireless transmitting system, in order to the transmission of wireless signals between tele-control system and environmental monitoring system; Described wireless transmitting system comprises a Centroid, multiple routing node and multiple terminal node, Centroid and tele-control system serial communication, Centroid and routing node radio communication;
Described each routing node and multiple terminal node form group of wireless transmission basic unit, all be in the transmission range of acoustic signals between the plurality of terminal node, in group of wireless transmission basic unit, the data of multiple terminal node are sent to corresponding routing node, then according to preset routing rule by described data uplink to next routing node, upload until Centroid successively;
Described Centroid and routing node are 433MHz wireless transparent transmission module, and described terminal node is made up of 433MHz wireless transparent transmission module and environmental monitoring system, serial communication between the 433MHz wireless transparent transmission module of terminal node and environmental monitoring system;
Described environmental monitoring system comprises:
Data handling system, in order to generate digital signal and this digital signal is sent to signal emission module, the digital signal that Received signal strength acquisition module returns, also generates and stores the packet in the transmission time of acoustic signals;
GPS synchronization module, is connected with data handling system, in order to data handling system transmitting time signal and position signalling;
Signal emission module, is connected with data handling system, in order to receive the digital signal of data handling system, this digital signal is converted to simulating signal, again this simulating signal is converted to acoustic signals, and by this acoustic signals of transmitting;
Signal acquisition module, is connected with data handling system, in order to receive acoustic signals, this acoustic signals is converted to simulating signal, again this simulating signal is converted to digital signal, and this digital signal is sent to data handling system;
Power module, power module is data handling system, GPS synchronization module, signal emission module and signal acquisition module are powered.
Described tele-control system comprises operating system, WIFI module and serial port module, operating system is connected with WIFI module and serial port module respectively, operating system is networked by WIFI module and wireless transmitting system, and operating system also carries out serial communication by serial port module and wireless transmitting system.
Described operating system comprises control module, signal dispatcher module, message processing module, information storage module and information display module, signal dispatcher module, message processing module, information storage module are connected successively with information display module, signal dispatcher module and WIFI module wireless connections, signal dispatcher module is connected with the Centroid of wireless transmitting system by serial port module, and described signal dispatcher module, information storage module are connected with control module respectively with information display module.
Described power module is solar storage battery.
Described signal emission module comprises the analog/digital conversion module, output power amplification module and the transducer module that connect successively, signal acquisition module comprises the D/A switch module, power input amplification module, filtration module and the nautical receiving set module that connect successively, described data handling system is Cortex-M3 kernel processes system, and analog/digital conversion module and D/A switch module are connected with Cortex-M3 kernel processes system respectively.
Marine environment field remote detecting method, comprises the following steps:
S1: according to the scope of detected marine environment field, at tele-control system, the position of Centroid, the quantity of routing node and position are set, and the quantity of the terminal node to associate with each routing node and position, multiple terminal nodes that each routing node associates with it form group of wireless transmission basic unit, all be in the transmission range of acoustic signals between the plurality of terminal node, dispose at least one group of wireless transmission basic unit in the marine environment field that will detect; The environmental monitoring system of all terminal nodes in group of wireless transmission basic unit is carried out sorting and being stored in tele-control system;
S2: tele-control system sends a control signal, this control signal corresponds to a group of wireless transmission basic unit, comprise the acoustic signals shooting sequence of the environmental monitoring system of this group of wireless transmission basic unit, this control signal is successively by 433MHz wireless transparent transmission module transfer extremely each environmental monitoring system of Centroid, routing node and terminal node;
S3: each environmental monitoring system in this group of wireless transmission basic unit successively launches acoustic signals according to the shooting sequence in control signal, when one of them environmental monitoring system launches acoustic signals, is defined as cell site; Other environmental monitoring system in this group of wireless transmission basic unit is all in accepting state, be defined as receiving station, after the environmental monitoring system as cell site launches sound wave, immediately by the launch time of acoustic signals and sequence number thereof, tele-control system is uploaded to successively via the routing node of correspondence with the form of packet, and other environmental monitoring system as receiving station are once receive acoustic signals, immediately by the time of reception of acoustic signals and sequence number thereof, upload to tele-control system with the form of packet successively via the routing node of correspondence;
S4: tele-control system draws acoustic signals travel-time between two terminal nodes and velocity of propagation according to the acoustic signals launch time in packet, time of reception, cell site's sequence number and receiving station's sequence number, the parameter finally obtaining seawater comprises temperature, salinity, density, the flow direction and flow velocity, draws the mean parameter of marine environment field to all packets after processing.
After adopting such scheme, beneficial effect of the present invention is: be applied to by marine acoustic tomography in ocean development, by the mode of radio communication, obtain the parameter of marine environment field in real time, and dispose less environmental monitoring system, the mean parameter that just can realize large-scale marine environment field detects, also realize the long-distance transmissions of data and the Long-distance Control of detection system, whole system runs efficient, simple operation, and for Hainan Airlines exploitation provides important data reference, using value is high.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is the structured flowchart of tele-control system of the present invention;
Fig. 3 is wireless transmission system architecture schematic diagram of the present invention;
Fig. 4 is the structured flowchart of environmental monitoring system of the present invention;
Fig. 5 be the present invention group of wireless transmission basic unit terminal node between acoustic signals transmission schematic diagram;
Fig. 6 is the scheme of installation of terminal node in ocean.
Embodiment
As shown in Figure 1, the marine environment field remote detecting system that the present invention discloses, comprising:
Tele-control system, tele-control system transmits control signal to environmental monitoring system, and tele-control system is the data packet signal that returns of acquisition and processing environmental monitoring system also;
Please refer to Fig. 2, in the present embodiment, tele-control system comprises operating system, WIFI module and serial port module, operating system is connected with WIFI module and serial port module respectively, operating system is networked by WIFI module and wireless transmitting system, carries out signal and data are transmitted by serial port module and wireless transmitting system, tele-control system is deployed in terrestrial base station usually, enforcement personnel are being transmitted control signal by operating system, control signal is sent in each environmental monitoring system via wireless transmitting system, it mainly utilizes serial port module and wireless transmitting system to carry out data transmission, more specifically, described operating system comprises control module, signal dispatcher module, message processing module, information storage module and information display module, signal dispatcher module, message processing module, information storage module is connected successively with information display module, signal dispatcher module and WIFI module wireless connections, signal dispatcher module is connected with wireless transmitting system by serial port module, described signal dispatcher module, information storage module is connected with control module respectively with information display module.
In operating system, by the direct control information transceiver module of control module, information storage module and information display module, signal dispatcher module receives needs and transmits control signal and receive data packet signal, signal dispatcher module sends it to message processing module after receiving data packet signal, message processing module handle packet is obtained a result (ocean wave parameter data) and result is sent to information storage module and information display module successively, information storage module stores ocean wave parameter data, and parameter and environmental monitoring system position associatedly show by information display module.
Wireless transmitting system, in order to the transmission of wireless signals between tele-control system and environmental monitoring system; Described wireless transmitting system comprises a Centroid, multiple routing node and multiple terminal node, Centroid and tele-control system serial communication, Centroid and routing node radio communication;
Each routing node and multiple terminal node form group of wireless transmission basic unit, all be in the transmission range of acoustic signals between the plurality of terminal node, in group of wireless transmission basic unit, the data of multiple terminal node are sent to corresponding routing node, then according to preset routing rule by described data uplink to next routing node, upload until Centroid successively;
Centroid and routing node are 433MHz wireless transparent transmission module, and described terminal node is made up of 433MHz wireless transparent transmission module and environmental monitoring system, serial communication between the 433MHz wireless transparent transmission module of terminal node and environmental monitoring system;
The maximum transmission distance of 433MHz wireless transparent transmission module under spacious environment reaches 3000 meters, a routing table is had in each 433MHz wireless transparent transmission module, multiple 433MHz wireless transparent transmission module generation wireless-transmission network, each 433MHz wireless transparent transmission module has one's own address, and containing the source address of transmitting terminal and the destination address of receiving end and measured acoustic transit time value in packet, each 433MHz wireless transparent transmission module receives its destination address of packet post analysis, destination address is for itself then to receive and to forward this packet, otherwise just abandon, packet is sent to routing node by terminal node, serial port module is sent to again through Centroid, finally receive post analysis by tele-control system and calculate desired parameters,
Environmental monitoring system comprises:
Data handling system, in order to generate digital signal and this digital signal is sent to signal emission module, the digital signal that Received signal strength acquisition module returns, also generates and stores the packet in the transmission time of acoustic signals;
GPS synchronization module, is connected with data handling system, in order to data handling system transmitting time signal and position signalling;
Signal emission module, is connected with data handling system, in order to receive the digital signal of data handling system, this digital signal is converted to simulating signal, again this simulating signal is converted to acoustic signals, and by this acoustic signals of transmitting;
Signal acquisition module, is connected with data handling system, in order to receive acoustic signals, this acoustic signals is converted to simulating signal, again this simulating signal is converted to digital signal, and this digital signal is sent to data handling system;
Power module, power module is data handling system, GPS synchronization module, signal emission module and signal acquisition module are powered, power module generally adopts solar storage battery, the environmental monitoring system be distributed in ocean needs the electricity supply continued, continued power ability is strong to adopt solar storage battery to power not only, and environmental protection and energy saving, make full use of ocean sunlight-heat reaources.。
Concrete, please refer to Fig. 4, signal emission module comprises the analog/digital conversion module, output power amplification module and the transducer module that connect successively, signal acquisition module comprises the D/A switch module, power input amplification module, filtration module and the nautical receiving set module that connect successively, described data handling system is Cortex-M3 kernel processes system, and analog/digital conversion module and D/A switch module are connected with Cortex-M3 kernel processes system respectively.
When receiving operating system instruction and sending acoustic signals, Cortex-M3 kernel processes system provides digital signal, digital signal is simulating signal through analog/digital conversion module converts, frequency 10KHz centered by this simulating signal, the low frequency signal of bandwidth 5KHz, send low-frequency sound wave signal from transducer module after being processed by power amplifier module, this band signal coherence is good and transmission loss (TL) is little again, when receiving acoustic signals, the low-frequency sound wave signal of other environmental monitoring system of nautical receiving set module acquires, through amplifying and filtration module, the process of mould/modular converter, form the accessible digital signal of Cortex-M3 kernel processes system, when an environmental monitoring system sends low-frequency sound wave signal under water as transmitting terminal, other environmental monitoring system all accept this acoustic signals as receiving terminal, each receiving end obtains the time value of an acoustic signals transmission, guarantee to only have an environmental monitoring system to have sent an acoustic signals as transmitting terminal by accurate clock (GPS synchronization module) in the process at every turn, all environmental monitoring system send successively in strict accordance with order, avoid signal disturbing, thus each environmental monitoring system can obtain the transmission time value between two detection systems, transmitting terminal address and receiving end address and measured acoustic signals transmission time value packing are stored as a packet by context detection module, packet is sent to tele-control system by wireless transmitting system, tele-control system obtains the temperature under this sound-wave path according to acoustics chromatographic technique, salinity, the link parameters such as density.
Each environmental monitoring system has unique address corresponding with it, environmental monitoring system is reported and submitted tele-control system by GPS synchronization module in real time, tele-control system just can know the duty of environmental monitoring system by change of address, please refer to Fig. 5, environmental monitoring system is installed precalculated position and is laid in surveyed sea area, surround a circle as far as possible, adjacent environmental monitoring system equidistantly distributes, please refer to Fig. 6, environmental monitoring system is deployed in ocean with the form of buoy, multiple buoy obtains the ocean environment parameter in same scope, tested sea area is divided into multiple zonule, multipath acoustic transit time according to obtaining can rebuild required marine environment field, as temperature field, salinity change, density field etc., within the specific limits, buoy number obtained environment field parameter more accurate more.
Present invention further teaches marine environment field remote detecting method, comprise the following steps:
S1: according to the scope of detected marine environment field, at tele-control system, the position of Centroid, the quantity of routing node and position are set, and the quantity of the terminal node to associate with each routing node and position, multiple terminal nodes that each routing node associates with it form group of wireless transmission basic unit, all be in the transmission range of acoustic signals between the plurality of terminal node, dispose at least one group of wireless transmission basic unit in the marine environment field that will detect; The environmental monitoring system of all terminal nodes in group of wireless transmission basic unit is carried out sorting and being stored in tele-control system;
S2: tele-control system sends a control signal, this control signal corresponds to a group of wireless transmission basic unit, comprise the acoustic signals shooting sequence of the environmental monitoring system of this group of wireless transmission basic unit, this control signal is successively by 433MHz wireless transparent transmission module transfer extremely each environmental monitoring system of Centroid, routing node and terminal node;
S3: each environmental monitoring system in this group of wireless transmission basic unit successively launches acoustic signals according to the shooting sequence in control signal, when one of them environmental monitoring system launches acoustic signals, is defined as cell site; Other environmental monitoring system in this group of wireless transmission basic unit is all in accepting state, be defined as receiving station, after the environmental monitoring system as cell site launches sound wave, immediately by the launch time of acoustic signals and sequence number thereof, tele-control system is uploaded to successively via the routing node of correspondence with the form of packet, and other environmental monitoring system as receiving station are once receive acoustic signals, immediately by the time of reception of acoustic signals and sequence number thereof, upload to tele-control system with the form of packet successively via the routing node of correspondence;
Concrete, in cell site: the data handling system of environmental monitoring system generates digital signal and this digital signal is sent to signal emission module, this digital signal is converted to simulating signal by signal emission module, again this simulating signal is converted to acoustic signals, finally launch this acoustic signals, simultaneously GPS synchronization module with certain frequency to data handling system transmitting time signal and position signalling, the launch time of data processing module record acoustic signals and transmitting station address also generate packet, packet is passed through terminal node by final data processing module successively, the 433MHz wireless transparent transmission module of routing node and Centroid is uploaded to tele-control system,
In the receiving station: data acquisition module receives acoustic signals, this acoustic signals is converted to simulating signal, again this simulating signal is converted to digital signal, and this digital signal is sent to data handling system, simultaneously GPS synchronization module with certain frequency to data handling system transmitting time signal and position signalling, the time of reception of data processing module record acoustic signals and destination address also generate packet, packet is passed through terminal node by final data processing module successively, the 433MHz wireless transparent transmission module of routing node and Centroid is uploaded to tele-control system,
When one of them environmental monitoring system is as cell site, complete after packet uploads in receiving station, next environmental monitoring system just starts to launch acoustic signals as cell site;
S4: tele-control system draws acoustic signals travel-time between two terminal nodes and velocity of propagation according to the acoustic signals launch time in packet, time of reception, cell site's sequence number and receiving station's sequence number, the parameter finally obtaining seawater comprises temperature, salinity, density, the flow direction and flow velocity, draws the mean parameter of marine environment field to all packets after processing.
These are only specific embodiments of the invention, the restriction not to protection scope of the present invention.All equivalent variations done according to the mentality of designing of this case, all fall into the protection domain of this case.
Claims (6)
1. marine environment field remote detecting system, is characterized in that, comprising:
Tele-control system, tele-control system transmits control signal to environmental monitoring system, and tele-control system is the data packet signal that returns of acquisition and processing environmental monitoring system also;
Wireless transmitting system, in order to the transmission of wireless signals between tele-control system and environmental monitoring system; Described wireless transmitting system comprises a Centroid, multiple routing node and multiple terminal node, Centroid and tele-control system serial communication, Centroid and routing node radio communication;
Described each routing node and multiple terminal node form group of wireless transmission basic unit, all be in the transmission range of acoustic signals between the plurality of terminal node, in group of wireless transmission basic unit, the data of multiple terminal node are sent to corresponding routing node, then according to preset routing rule by described data uplink to next routing node, upload until Centroid successively;
Described Centroid and routing node are 433MHz wireless transparent transmission module, and described terminal node is made up of 433MHz wireless transparent transmission module and environmental monitoring system, serial communication between the 433MHz wireless transparent transmission module of terminal node and environmental monitoring system;
Described environmental monitoring system comprises:
Data handling system, in order to generate digital signal and this digital signal is sent to signal emission module, the digital signal that Received signal strength acquisition module returns, also generates and stores the packet in the transmission time of acoustic signals;
GPS synchronization module, is connected with data handling system, in order to data handling system transmitting time signal and position signalling;
Signal emission module, is connected with data handling system, in order to receive the digital signal of data handling system, this digital signal is converted to simulating signal, again this simulating signal is converted to acoustic signals, and by this acoustic signals of transmitting;
Signal acquisition module, is connected with data handling system, in order to receive acoustic signals, this acoustic signals is converted to simulating signal, again this simulating signal is converted to digital signal, and this digital signal is sent to data handling system;
Power module, power module is data handling system, GPS synchronization module, signal emission module and signal acquisition module are powered.
2. marine environment field as claimed in claim 1 remote detecting system, it is characterized in that: described tele-control system comprises operating system, WIFI module and serial port module, operating system is connected with WIFI module and serial port module respectively, operating system is networked by WIFI module and wireless transmitting system, and operating system also carries out serial communication by serial port module and wireless transmitting system.
3. marine environment field as claimed in claim 2 remote detecting system, it is characterized in that: described operating system comprises control module, signal dispatcher module, message processing module, information storage module and information display module, signal dispatcher module, message processing module, information storage module is connected successively with information display module, signal dispatcher module and WIFI module wireless connections, signal dispatcher module is connected with the Centroid of wireless transmitting system by serial port module, described signal dispatcher module, information storage module is connected with control module respectively with information display module.
4. marine environment field as claimed in claim 1 remote detecting system, is characterized in that: described power module is solar storage battery.
5. marine environment field as claimed in claim 1 remote detecting system, it is characterized in that: described signal emission module comprises the analog/digital conversion module, output power amplification module and the transducer module that connect successively, signal acquisition module comprises the D/A switch module, power input amplification module, filtration module and the nautical receiving set module that connect successively, described data handling system is Cortex-M3 kernel processes system, and analog/digital conversion module and D/A switch module are connected with Cortex-M3 kernel processes system respectively.
6. marine environment field remote detecting method, is characterized in that: comprise the following steps:
S1: according to the scope of detected marine environment field, at tele-control system, the position of Centroid, the quantity of routing node and position are set, and the quantity of the terminal node to associate with each routing node and position, multiple terminal nodes that each routing node associates with it form group of wireless transmission basic unit, all be in the transmission range of acoustic signals between the plurality of terminal node, dispose at least one group of wireless transmission basic unit in the marine environment field that will detect; The environmental monitoring system of all terminal nodes in group of wireless transmission basic unit is carried out sorting and being stored in tele-control system;
S2: tele-control system sends a control signal, this control signal corresponds to a group of wireless transmission basic unit, comprise the acoustic signals shooting sequence of the environmental monitoring system of this group of wireless transmission basic unit, this control signal is successively by 433MHz wireless transparent transmission module transfer extremely each environmental monitoring system of Centroid, routing node and terminal node;
S3: each environmental monitoring system in this group of wireless transmission basic unit successively launches acoustic signals according to the shooting sequence in control signal, when one of them environmental monitoring system launches acoustic signals, is defined as cell site; Other environmental monitoring system in this group of wireless transmission basic unit is all in accepting state, be defined as receiving station, after the environmental monitoring system as cell site launches sound wave, immediately by the launch time of acoustic signals and sequence number thereof, tele-control system is uploaded to successively via the routing node of correspondence with the form of packet, and other environmental monitoring system as receiving station are once receive acoustic signals, immediately by the time of reception of acoustic signals and sequence number thereof, upload to tele-control system with the form of packet successively via the routing node of correspondence;
S4: tele-control system draws acoustic signals travel-time between two terminal nodes and velocity of propagation according to the acoustic signals launch time in packet, time of reception, cell site's sequence number and receiving station's sequence number, the parameter finally obtaining seawater comprises temperature, salinity, density, the flow direction and flow velocity, draws the mean parameter of marine environment field to all packets after processing.
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