CN105355010B - A kind of submerged pipeline detection information real-time transmission system - Google Patents
A kind of submerged pipeline detection information real-time transmission system Download PDFInfo
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- CN105355010B CN105355010B CN201510727028.XA CN201510727028A CN105355010B CN 105355010 B CN105355010 B CN 105355010B CN 201510727028 A CN201510727028 A CN 201510727028A CN 105355010 B CN105355010 B CN 105355010B
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- conditioning unit
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- energy converter
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- submerged pipeline
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The present invention relates to a kind of submerged pipeline infomation detection real-time transmission system, including submerged pipeline stationary nodes subsystem, buoy node subsystem, Ship monitoring and control subsystem, each submerged pipeline stationary nodes have sensor interface unit, the first compass module, the first DSP signal processing units, the first signal transmitting conditioning unit and the first vector energy converter；There is each buoy node the second vector energy converter, second signal transmitting conditioning unit, second signal to receive conditioning unit, the second compass module and the 2nd DSP signal processing units；There is Ship monitoring and control subsystem third vector energy converter, third signal to receive conditioning unit, the 3rd DSP signal processing units and PC machine；Between second vector energy converter and the first vector energy converter can mutual sent-received message, can mutual sent-received message between the second vector energy converter and third vector energy converter.
Description
Technical field
The present invention relates to marine surveys technical field more particularly to a kind of submerged pipeline infomation detection real-time transmission system.
Background technology
With the exploitation of China's Marine oil and gas resource, developed and the seabed of Large scale construction around China's Marine oil and gas resource
Number of lines is constantly soaring, flat in each drilling well from more than 2000 kilometers of more than 6000 kilometer increased till now in 1999
Crisscross benthal oil-gas pipeline net, these seabeds oil are formd between platform and between drilling platforms and inland industry base
Tracheae gauze has become the important lifeline engineering of China's national defense modernization of industry construction.But due to severe environments such as subsea,
So that destruction of the submerged pipeline because of many factors such as fatigue effect, material corrosion aging and seabottom geology variations, usually because of damage
The pipeline leakage even severe accident of line break occur for wound accumulation, cause huge economic loss and serious marine ecology
Environmental disruption.Submerged pipeline real time on-line monitoring, and then realize pipeline healthy and safe real-time online assessment is skill urgently to be resolved hurrily
Art problem.
Invention content
The present invention goal of the invention be to provide a kind of submerged pipeline detection information real-time transmission system, can be by submerged pipeline
It is that Sensor monitoring arrives as a result, by subsurface communication network system real-time Transmission to Ship Monitoring System, realize submerged pipeline
Real time on-line monitoring.
Realize the technical solution of the object of the invention：
A kind of submerged pipeline infomation detection real-time transmission system, submerged pipeline are equipped with sensor, it is characterised in that：Including
Submerged pipeline stationary nodes subsystem, buoy node subsystem, Ship monitoring and control subsystem,
In submerged pipeline stationary nodes subsystem, each submerged pipeline stationary nodes have sensor interface unit, first
Compass module, the first DSP signal processing units, the first signal transmitting conditioning unit and the first vector energy converter, sensor interface
Unit output end, the first compass module output the first DSP signal processing units of termination, the first DSP signal processing unit output ends
The first signal transmitting conditioning unit is connect, the first signal emits conditioning unit output the first vector energy converter of termination；
In buoy node subsystem, each buoy node have the second vector energy converter, second signal transmitting conditioning unit,
Second signal receives conditioning unit, the second compass module and the 2nd DSP signal processing units, and the second vector energy converter is respectively with the
Binary signal emits conditioning unit output end, second signal receives the connection of conditioning unit input terminal, and second signal emits conditioning unit
Input terminal, second signal receive conditioning unit output end and are connect with the 2nd DSP signal processing units, the output of the second compass module
Terminate the 2nd DSP signal processing units；
There is Ship monitoring and control subsystem third vector energy converter, third signal to receive conditioning unit, the 3rd DSP signal processings
Unit and PC machine, third vector energy converter connect third signal and receive conditioning unit input terminal, and it is defeated that third signal receives conditioning unit
Go out the 3rd DSP signal processing units of termination, the 3rd DSP signal processing units connect PC machine through interface circuit；
Between second vector energy converter and the first vector energy converter can mutual sent-received message, the second vector energy converter and
It can mutual sent-received message between third vector energy converter.
First signal emit conditioning unit and second signal transmitting conditioning unit circuit structure be, by D/A conversion circuits,
Voltage follower circuit, transmission power dispensable circuit, power amplification circuit, impedance matching circuit are sequentially connected composition.
Second signal receives conditioning unit, the circuit structure of third signal reception conditioning unit is, by low noise amplification electricity
Road, band pass filter circuit, voltage level-one amplifying circuit, AGC automatic gain control circuits, A/D conversion circuits are sequentially connected group
At.
Also there is submerged pipeline stationary nodes subsystem attended circuit, attended circuit input to terminate sensor interface unit,
Attended circuit controls the first DSP signal processing units and enters working condition or suspend mode shape according to the signal of sensor interface unit
State.
The power amplification circuit that first signal emits in conditioning unit and second signal transmitting conditioning unit uses D class work(
It puts.
The transmission power dispensable circuit that first signal emits in conditioning unit and second signal transmitting conditioning unit uses four
Hinder the fully integrated solid-state potentiometer in channel.
The low noise amplifier circuit structure that second signal receives conditioning unit, third signal receives in conditioning unit is, low
The input termination third nonpolarity capacitance (C3) of noise amplification chip (U1), the output termination the 4th of low noise amplification chip (U1)
Nonpolar capacitance (C4), low noise amplification chip (U1) filtered circuit connect power supply.
Between second vector energy converter and the first vector energy converter can mutual sent-received message, the second vector energy converter and
It can mutual sent-received message between third vector energy converter.
The device have the advantages that：
Patent of the present invention provides a kind of submerged pipeline detection information real-time transmission system, including submerged pipeline fixed knot
Point, buoy node, Ship monitoring and control three subsystems, have the advantages that miniaturization, systematization, low-power consumption, real-time, can be by seabed
The result that line sensor monitors, to Ship Monitoring System, realizes submerged pipeline by subsurface communication network system real-time Transmission
Real time on-line monitoring.The present invention can effectively reduce testing cost, realize full range, three-dimensional, network to submerged pipeline
Change on-line real time monitoring, help to further increase submerged pipeline service life, effectively avoid because benthal oil-gas pipeline damage to
Destruction of the economic loss caused by oil company even to ecological environment, to Marine oil and gas resource safety in production exploitation and ocean
Ecological environmental protection has far-reaching significance, meanwhile, the submerged pipeline network to rise year by year in face of quantity, submerged pipeline is supervised in real time
Examining system has considerable market prospects.
Receiving terminal of the present invention, that is, second signal receives conditioning unit, third signal receives in conditioning unit, is provided with low noise
Sound amplifying circuit can effectively reduce underwater acoustic channel strong noise to logical by the front end analogue signal low noise amplification to receiving
Believe the interference of result.
I.e. the first signal of transmitting terminal of the present invention, which emits in conditioning unit and second signal transmitting conditioning unit, is equipped with transmitting work(
Rate dispensable circuit, and transmission power dispensable circuit is using the four resistance fully integrated solid-state potentiometers in channel so that power amplification circuit can
It realizes that power limit and direct current monitoring and protecting, power limit refer to the maximum power of limiting power amplifier output, avoids vector
Energy converter is being damage more than rated power, and direct current monitoring and protecting refers to the lasting output that can prevent input capacitance short circuit from generating
DC voltage and cause the vector energy converter to burn.
In first signal transmitting conditioning unit of the invention and second signal transmitting conditioning unit, put using D class power amplifier power
Big circuit, submerged pipeline stationary nodes subsystem of the present invention are equipped with attended circuit, can effectively reduce system power dissipation.Wherein,
Attended circuit can be according to whether receive sensor wake-up signal to determine that the DSP signal processing units enter working condition still
Dormant state increases the systems stay working time, it is ensured that submerged pipeline real-time monitoring system safe and reliable operation.
The first vector energy converter of the present invention, the second vector energy converter, third vector energy converter are all made of pipe form, peripheral hardware
Oil-filled shielding protection set can effectively extend service life of equipment, ensure functional reliability.
Description of the drawings
Fig. 1 is submerged pipeline stationary nodes subsystem diagram of the present invention；
Fig. 2 is buoy node subsystem diagram of the present invention；
Fig. 3 is Ship monitoring and control subsystem diagram of the present invention；
Fig. 4 is the circuit block diagram of the first signal transmitting conditioning unit of the invention and second signal transmitting conditioning unit；
Fig. 5 is the circuit block diagram that second signal of the present invention receives conditioning unit, third signal receives conditioning unit；
Fig. 6 is the low noise amplifier circuit schematic diagram in present invention reception conditioning unit.
Specific implementation mode
The present invention provides a kind of submerged pipeline detection information real-time transmission system, including submerged pipeline stationary nodes subsystem
System, buoy node subsystem, Ship monitoring and control subsystem.
Submerged pipeline stationary nodes subsystem, it is main to realize submerged pipeline waveform sensor data and underwater sound Wave data text
The acquisition of part and the Wave data information for uploading acquisition.As shown in Figure 1, each submerged pipeline fixed knot idea has sensor
Interface unit, the first compass module, the first DSP signal processing units, the first signal transmitting conditioning unit and the first vector transducing
Device, sensor interface unit output end, the first compass module, which export, terminates the first DSP signal processing units, at the first DSP signals
It manages unit output the first signal of termination and emits conditioning unit, the first signal emits conditioning unit output the first vector transducing of termination
Device.Sensor interface unit as the submerged pipeline stationary nodes subsystem input terminal, provide with submerged pipeline monitoring used in
Sensor interface, including tri- kinds of interface circuits of IIC, UART, SPI, the sensor for being connected and installed on submerged pipeline.First
Compass module provides this node attitude orientation information, and the collected attitude orientation information of institute connects first by IIC communications protocol
DSP signal processing units.First DSP signal processing units are completed using low-power consumption, high speed, high performance DSP to Submarine Pipeline
The line monitoring collected signal of sensor is handled and is stored, and signal synchronization, channel are completed in the dsp chip
Analysis, channel equalization and to handling result send before digital signal modulated.Dsp chip uses model
TMS320C2834x.First vector energy converter is closed using transmitting-receiving and sets form, by receiving and dispatching conversion circuit realization transmitting and receiving work(
The conversion of energy.Also there is submerged pipeline stationary nodes subsystem attended circuit, attended circuit input to terminate sensor interface unit,
Attended circuit controls the first DSP signal processing units and enters working condition or suspend mode shape according to the signal of sensor interface unit
State.
It is allocated by D/A conversion circuits, voltage follower circuit, transmission power as shown in figure 4, the first signal emits conditioning unit
Circuit, power amplification circuit, impedance matching circuit are sequentially connected composition.Impedance matching circuit output the first vector transducing of termination
Device, D/A conversion circuits input the first DSP signal processing units of termination.Described power amplification circuit uses D class power amplifiers, D class power amplifiers
Chip model is TPA3112 models.Described transmission power dispensable circuit is using the four resistance fully integrated solid-state potentiometer MAX5160 in channel
Transmission power is adjusted, on the basis of described D/A conversion circuits reference voltage, realizes that rear firing emission power is precisely smooth from 0 to 100%
It adjusts, so that power amplification circuit has the function of that power limit and direct current monitoring and protecting, power limit can limit power
The maximum power of amplifier output, it is being damage, direct current monitoring and protecting function more than rated power to avoid the vector energy converter
It can prevent the lasting output DC voltage that input capacitance short circuit generates and the vector energy converter is caused to burn.
Buoy node subsystem is mainly responsible for and pipeline stationary nodes are transferred to the data transparency of buoy node are forwarded to it
His buoy node and Ship monitoring and control subsystem, meanwhile, the data information and response of Ship monitoring and control and other buoy nodes can be believed
Number other buoy nodes and pipeline stationary nodes are transparently forwarded to, serve as the intermediary node in communication system.As shown in Fig. 2, every
There is a buoy node the second vector energy converter, second signal transmitting conditioning unit, second signal to receive conditioning unit, second sieve
Through module and the 2nd DSP signal processing units, the second vector energy converter respectively with second signal transmitting conditioning unit output end, the
Binary signal receives the connection of conditioning unit input terminal, and second signal emits conditioning unit input terminal, second signal receives conditioning unit
Output end is connect with the 2nd DSP signal processing units, the second compass module output the 2nd DSP signal processing units of termination.
As shown in figure 5, second signal reception conditioning unit circuit structure is, by low noise amplifier circuit, bandpass filter
Circuit, voltage level-one amplifying circuit, AGC automatic gain control circuits, A/D conversion circuits are sequentially connected composition.Low noise amplification
Circuit input end connects the second vector energy converter, A/D conversion circuits output the 2nd DSP signal processing units of termination.Described low noise
Amplifying circuit is for filtering out noise jamming, as shown in fig. 6, circuit concrete structure is, the input termination of low noise amplification chip U1
Output termination the 4th nonpolar the capacitance C4, low noise amplification chip U1 of third nonpolarity capacitance C3, low noise amplification chip U1
Filtered circuit connects power supply, and low noise amplification chip U1 uses model MAX2650.Described band pass filter circuit is quadravalence band
Bandpass filter is responsible for being filtered the reception signal that low noise amplifier circuit exports, and reduces out-of-band noise interference, band logical
Filter circuit uses operational amplifier model MAX262.Described AGC automatic gain control circuits 13 use operation amplifier core
Piece model AD603AQ, the AGC gain automatic control circuit are responsible for that amplification, filtered signal progress " normalizing will be passed through
Change " processing.
Ship monitoring and control subsystem is mainly responsible for the data acquired from pipeline stationary nodes and buoy node passing through RS232
Serial ports is transferred to PC machine, and PC machine is realized data analysis and assessed submerged pipeline safety real-time online, and makes and answering accordingly
Anxious processing, meanwhile, also the instruction and data information that PC machine is set can be sent to stationary nodes and buoy node, be responsible for seabed
The control command management of pipe inspection information real-time transmission system, the broadcasting and reception of Wave data.
As shown in figure 3, there is Ship monitoring and control subsystem third vector energy converter, third signal to receive conditioning unit, third
DSP signal processing units and PC machine, third vector energy converter connect third signal and receive conditioning unit input terminal, and third signal receives
Conditioning unit output the 3rd DSP signal processing units of termination, the 3rd DSP signal processing units connect PC machine through interface circuit.It is described
Interface circuit selects RS232 interface circuit.Ordinary desktop computer or laptop can be selected in described PC machine.
In submerged pipeline stationary nodes subsystem, buoy node subsystem, Ship monitoring and control subsystem, the second vector energy converter
And first between vector energy converter can mutual sent-received message, can phase between the second vector energy converter and third vector energy converter
Mutual sent-received message.First vector energy converter, the second vector energy converter, third vector energy converter are all made of pipe form, outside
If oil-filled shielding protection set.Each subsystem is powered by a power module, and power module is that one piece of capacity is 20Ah
Rechargeable lithium battery group has positive and negative 24V, positive and negative 12V lose-lose outgoing interface.Submerged pipeline stationary nodes subsystem, buoy node
In subsystem, Ship monitoring and control subsystem, the first signal emits the circuit structure of conditioning unit and second signal transmitting conditioning unit
Identical, it is identical that second signal receives conditioning unit, the circuit structure of third signal reception conditioning unit.
When work, in submerged pipeline stationary nodes subsystem, sensor signal of the first DSP signal processing units to input
It is modulated, modulated signal is launched after the transmitting conditioning unit processing of the first signal through the first vector energy converter.Buoy
In node subsystem, the second vector energy converter receives the signal of the first vector energy converter transmitting, which receives through second signal
The 2nd DSP signal processing units are inputted after conditioning unit processing, the 2nd DSP signal processing units adjust the signal of input
System, modulated signal are launched after second signal transmitting conditioning unit processing through the second vector energy converter.Ship monitoring and control
In system, third vector energy converter receives the signal of the second vector energy converter transmitting, which receives conditioning list through third signal
After member processing, upper PC machine is sent to through interface circuit.
The main performance index of submerged pipeline detection information real-time transmission system of the present invention is as follows：
Communication distance：Vertically >=300m, level >=5km
Traffic rate：>240bps
RS232 transmission rates：9600bps/1920bps is optional
The bit error rate：<10-5
Maximum transmission power：30W
Minimal detectable power：150mW
Working frequency：8kHz~16kHz
AGC gain control range：- 40dB~40dB
Receiving sensitivity：22uV.
Claims (8)
1. a kind of submerged pipeline infomation detection real-time transmission system, submerged pipeline is equipped with sensor, it is characterised in that：Including sea
Bottom tube line stationary nodes subsystem, buoy node subsystem, Ship monitoring and control subsystem,
In submerged pipeline stationary nodes subsystem, each submerged pipeline stationary nodes have sensor interface unit, the first compass
Module, the first DSP signal processing units, the first signal transmitting conditioning unit and the first vector energy converter, sensor interface unit
Output end, the first compass module output the first DSP signal processing units of termination, the first DSP signal processing units output termination the
One signal emits conditioning unit, and the first signal emits conditioning unit output the first vector energy converter of termination；
In buoy node subsystem, each buoy node has the second vector energy converter, second signal transmitting conditioning unit, second
Signal receives conditioning unit, the second compass module and the 2nd DSP signal processing units, and the second vector energy converter is believed with second respectively
Number transmitting conditioning unit output end, second signal receive the connection of conditioning unit input terminal, and second signal emits conditioning unit input
End, second signal receive conditioning unit output end and connects with the 2nd DSP signal processing units, and the second compass module, which exports, terminates the
Two DSP signal processing units；
There is Ship monitoring and control subsystem third vector energy converter, third signal to receive conditioning unit, the 3rd DSP signal processing units
And PC machine, third vector energy converter connect third signal and receive conditioning unit input terminal, third signal receives conditioning unit output end
The 3rd DSP signal processing units are connect, the 3rd DSP signal processing units connect PC machine through interface circuit；
Mutual sent-received message between second vector energy converter and the first vector energy converter, the second vector energy converter and third arrow
Mutual sent-received message between amount energy converter.
2. according to the submerged pipeline infomation detection real-time transmission system described in claim 1, it is characterised in that：First signal is sent out
The circuit structure for penetrating conditioning unit and second signal transmitting conditioning unit is, by D/A conversion circuits, voltage follower circuit, transmitting
Power adjustment circuit, power amplification circuit, impedance matching circuit are sequentially connected composition.
3. submerged pipeline infomation detection real-time transmission system according to claim 2, it is characterised in that：Second signal receives
The circuit structure that conditioning unit, third signal receive conditioning unit is, by low noise amplifier circuit, band pass filter circuit, electricity
Pressure level-one amplifying circuit, AGC automatic gain control circuits, A/D conversion circuits are sequentially connected composition.
4. submerged pipeline infomation detection real-time transmission system according to claim 3, it is characterised in that：Submerged pipeline is fixed
Also there is node subsystem attended circuit, attended circuit input termination sensor interface unit, attended circuit to be connect according to sensor
The signal of mouth unit, the first DSP signal processing units of control enter working condition or dormant state.
5. submerged pipeline infomation detection real-time transmission system according to claim 4, it is characterised in that：First signal emits
Power amplification circuit in conditioning unit and second signal transmitting conditioning unit uses D class power amplifiers.
6. submerged pipeline infomation detection real-time transmission system according to claim 5, it is characterised in that：First signal emits
Transmission power dispensable circuit in conditioning unit and second signal transmitting conditioning unit is using the four resistance fully integrated solid-state current potentials in channel
Device.
7. submerged pipeline infomation detection real-time transmission system according to claim 6, it is characterised in that：Second signal receives
Conditioning unit, third signal receive conditioning unit in low noise amplifier circuit structure be, low noise amplification chip (U1) it is defeated
Enter to terminate third nonpolarity capacitance (C3), the 4th nonpolar capacitance (C4) of output termination of low noise amplification chip (U1), low noise
Sound amplification chip (U1) filtered circuit connects power supply.
8. submerged pipeline infomation detection real-time transmission system according to claim 7, it is characterised in that：First vector transducing
Device, the second vector energy converter, third vector energy converter are all made of pipe form, the oil-filled shielding protection set of peripheral hardware.
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| CN201510727028.XA CN105355010B (en) | 2015-10-30 | 2015-10-30 | A kind of submerged pipeline detection information real-time transmission system |
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| CN201510727028.XA CN105355010B (en) | 2015-10-30 | 2015-10-30 | A kind of submerged pipeline detection information real-time transmission system |
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| CN105355010B true CN105355010B (en) | 2018-10-26 |
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| CN106873040B (en) * | 2017-03-15 | 2018-10-12 | 山东大学 | The real-time acquisition electrode System and method for of the airborne resistivity forward probe of rock tunnel(ling) machine |
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