CN110510068A - A stereoscopic buoy observation system based on photoelectric composite cable for full-sea depth profile - Google Patents

Abstract

The invention discloses a stereoscopic buoy observation system based on an optoelectronic composite cable, comprising a sea surface buoy platform, a buoy mooring system and a seabed observation system connected in sequence; wherein, the sea surface buoy platform is provided with a data acquisition system and a power supply system ; The buoy mooring system includes an optoelectronic composite cable. The optoelectronic composite cable is separated into multiple branches by a plurality of separation boxes for optoelectronic separation, and each branch is used to mount observation sensors; the data collector collects the optoelectronic composite cable and the submarine observation system. The data of the observation sensor in the middle, realize the observation of the profile and the seabed. The invention adopts the separation box on the photoelectric composite cable to carry out photoelectric separation, realizes the continuous power supply of the sensor through the separated optical unit, and ensures the stable operation of the system.

Description

A stereoscopic buoy observation system based on photoelectric composite cable for full-sea depth profile

technical field

The invention belongs to the technical field of ocean monitoring, and in particular relates to a stereoscopic buoy observation system based on a photoelectric composite cable for a full-sea depth profile.

Background technique

The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute prior art.

Marine buoys are automatic observation stations for marine hydrology, water quality and meteorology mainly composed of observation buoys anchored at sea. It can collect the necessary marine hydrology, water quality and meteorological data for marine scientific research, offshore oil (gas) development, port construction and national defense construction in a long-term and continuous manner according to the regulations, especially the bad weather and sea conditions that are difficult to be collected by survey ships. material. With the development of ocean monitoring, the indicators that need to be monitored increase, more and more observation instruments are carried on the buoys, the demand for energy supply increases, and the timeliness of communication is also limited.

As far as the inventors know, the current ocean profile buoys have the following problems:

The power supply of the underwater sensor is provided by its own battery, which has a limited capacity and cannot work at high frequency for a long time;

The real-time communication mode of underwater sensors is inductive coupling type, the data bandwidth is small, and the transmission of large data volume cannot be realized;

The submarine observation equipment adopts a self-contained structure, which cannot realize real-time data transmission, so it cannot realize disaster forecasting and warning.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a stereoscopic buoy observation system based on a photoelectric composite cable for a full-sea depth profile.

To achieve the above object, one or more embodiments of the present invention provide the following technical solutions:

A three-dimensional buoy observation system based on an optoelectronic composite cable, comprising a sea surface buoy platform, a buoy mooring system and a seabed observation system connected in sequence;

Among them, the sea surface buoy platform is equipped with a data acquisition system and a power supply system; the buoy mooring system includes an optoelectronic composite cable. The optoelectronic composite cable is separated into multiple branches by a plurality of separation boxes for optoelectronic separation, and each branch is used to mount observation sensors. ; The data collector collects the data of the observation sensors on the photoelectric composite cable and in the seabed observation system to realize the observation of the profile and the seabed.

Further, a step-down module is provided on the electrical unit after photoelectric separation of each branch of the separation box.

Further, the buoy mooring system further includes an upper optoelectronic connecting assembly, the sea surface buoy platform and the optoelectronic composite cable are connected through the upper optoelectronic connecting assembly, and an optoelectronic converter is arranged in the upper optoelectronic connecting assembly.

Further, a photoelectric converter is provided on the optical unit after photoelectric separation of each branch of the separation box.

Further, the buoy mooring system also includes a lower optoelectronic connection assembly, the optoelectronic composite cable is connected with the seabed observation system through the lower optoelectronic connection assembly, and an optoelectronic converter is arranged in the lower optoelectronic connection assembly.

Further, the seabed observation system includes a main junction box, a secondary junction box, and observation sensors respectively connected to the main junction box and the secondary junction box; wherein, the main junction box is connected to the lower photoelectric connection assembly.

Further, the sea surface buoy platform is also provided with a sea surface weather system.

Further, the power supply system includes a solar power supply system, a storage battery and a booster system which are connected in sequence.

Further, the sea surface buoy platform is also provided with a satellite communication/positioning system, which provides a second pulse signal to the seabed observation system via the buoy mooring system, which is used for time calibration of equipment in the seabed observation system.

Further, the data collection system transmits the collected data to the shore station system in real time through the satellite communication/positioning system.

One or more embodiments of the present invention provide a buoy mooring system, which is characterized in that the data acquisition system and the power supply system provided on the sea surface buoy platform are connected upward, and the seabed observation system is connected downward;

The buoy mooring system includes an optoelectronic composite cable. The optoelectronic composite cable is separated into a plurality of branches by a plurality of separation boxes for optoelectronic separation, and each branch is used to mount an observation sensor.

One or more of the above technical solutions have the following beneficial effects:

In the present invention, a solar power system is provided on the buoy platform and transmitted through a photoelectric composite cable. Branches are separated from the photoelectric composite cable through a separation box for mounting observation sensors, and each branch is photoelectrically separated inside the separation box to obtain an optical unit and an electrical The electric unit is used to transmit electric energy to the sensor, which overcomes the defect of the limited electric power of the sensor itself, can continuously supply power to the sensor, and ensures the stable operation of the observation system.

In the present invention, a communication protocol is used to replace the traditional inductive coupling communication method, and photoelectric converters are provided between the data acquisition system on the buoy platform and the photoelectric composite cable, and on each branch optical unit on the photoelectric composite cable, thereby realizing data Real-time communication between the acquisition system and the sensors on the photoelectric composite cable, and can realize the transmission of large amount of data; in addition, there is also a photoelectric converter between the end of the photoelectric composite cable and the main junction box, so that the submarine can also be realized. The real-time transmission of observation data ensures the real-time nature of the data and improves the guarantee for possible disaster warning.

The present invention is provided with a satellite communication/positioning system, which not only can realize the positioning of the buoy, but also uses the second pulse signal output by the buoy to transmit the second pulse signal to the seabed observation through the upper optoelectronic connecting component, the optoelectronic composite cable and the lower optoelectronic connecting component in turn. The system is used for the time calibration of the main junction box and its connected observation sensors, the secondary junction box and its connected observation sensors, thereby realizing the time synchronization of each sensor in the observation system, and can more accurately restore the deep-sea profile and The situation of the seabed.

In the present invention, the sea surface meteorological system is set on the buoy platform tower for sea surface meteorological observation, the observation sensor is mounted on the photoelectric composite cable for deep sea profile observation, and the junction box and the observation sensor are set on the seabed for seabed observation, so that the sea surface and deep sea are realized. Comprehensive stereo monitoring of profiles and seafloor.

Description of drawings

The accompanying drawings forming a part of the present invention are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, and do not constitute an improper limitation of the present invention.

1 is an overall schematic diagram of a three-dimensional buoy observation system for a full-sea depth profile in one or more embodiments of the present invention;

2 is a schematic diagram of the overall framework of the three-dimensional buoy observation system for the full-sea depth profile in one or more embodiments of the present invention;

3 is a schematic diagram of a specific framework of a three-dimensional buoy observation system for a full-sea depth profile in one or more embodiments of the present invention;

FIG. 4 is a schematic diagram of an optoelectronic transmission process of a stereoscopic buoy observation system for a full-sea depth profile in one or more embodiments of the present invention.

Detailed ways

It should be noted that the following detailed description is exemplary and intended to provide further explanation of the invention. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

Embodiments of the invention and features of the embodiments may be combined with each other without conflict.

Example 1

This embodiment discloses a stereoscopic buoy observation system based on an optoelectronic composite cable, as shown in Figures 1-2, including a sea surface buoy platform, a buoy mooring system and a seabed observation system.

The sea surface buoy platform includes a buoy tower and a buoy body, and the buoy tower is erected on the buoy body.

Among them, the buoy tower is used to install the sea surface weather system, satellite communication/positioning system and solar power supply system. The sea surface meteorological system includes various meteorological sensors, which are used to collect meteorological parameters such as sea surface temperature, air pressure, relative humidity, precipitation, wind speed, wind direction, solar short-wave radiation, and long-wave radiation; the satellite communication/positioning system is used for buoy positioning, and the buoy will collect The real-time data is transmitted back to the shore station system; the solar power supply system is used to supply power to the battery energy storage system.

The buoy body is used to install the data acquisition control system, battery energy storage system and booster system. The data acquisition control system is used to control the data acquisition and data transmission of each sensor of the buoy system; the battery energy storage system is used to store the electric energy needed by the buoy system; the boost system is used to boost the 48V DC provided by the battery to 200-400V DC , after boosting, it transmits electric energy for the photoelectric composite cable and the submarine observation system. The power supply adopts the combined power supply mode of solar panels and batteries, and provides a working voltage of 48V for buoys, photoelectric composite cables and sensors, which ensures the continuous power supply of the system.

The buoy mooring system includes an upper optoelectronic connection assembly, a lower optoelectronic connection assembly and an optoelectronic composite cable, and one end of the optoelectronic composite cable is connected with the boosting system provided in the buoy body through the upper optoelectronic connection assembly, and the other end is connected through the lower optoelectronic connection. The assembly is connected to the main junction box in the seabed observation system.

In this embodiment, the mooring system of the buoy adopts the "inverted S-shaped" single-point mooring method, with the photoelectric composite cable as the main body, and the length of the entire mooring system is 1.4 to 1.6 times the water depth.

As shown in Figure 3, the upper optoelectronic connection assembly includes a fixed flange, a universal joint, an electrical slip ring, and an optoelectronic separation cavity. The optoelectronic separation cavity contains a photoelectric converter, which can realize the conversion between optical signals and electrical signals. Among them, the photoelectric composite cable mounts corresponding observation sensors at different water depths to form a profile observation system for the entire ocean depth. In this embodiment, the observation sensor includes a temperature and salt sensor.

Further, the optoelectronic composite cable contains multiple optical fibers and power supplies, and a separation box is used at each position where the sensor is mounted. The separation box is used to restore the broken sheath and armored steel wire to ensure tensile strength and waterproof level. . The electrical unit and the optical unit are separated through the separation box. The electrical unit reduces the high-voltage DC power to low-voltage DC power for the sensor through the step-down module, which ensures the continuous power supply of the sensor, so that the operation of the sensor is no longer limited by its own battery capacity. The unit converts the optical signal and the electrical signal to realize communication through the photoelectric converter, which ensures the real-time nature of data transmission.

Specifically, a plurality of branches of the optoelectronic composite cable are separated by a plurality of separation boxes, which are respectively connected to the observation sensor, and each branch is inside the separation box to realize the separation of the optical unit and the electrical unit. Wherein, on each branch, the electric unit between the separation box and the observation sensor is provided with a step-down module, and the optical unit is provided with a photoelectric converter. Among them, the step-down module is used to step down the separated electric energy to supply power for the corresponding observation sensor, and the photoelectric converter is used to convert the optical signal and the electric signal to realize the communication between the observation sensor and the data acquisition control system. The communication process between the data acquisition system and the sensor mounted on the photoelectric composite cable is as follows: The control command sent by the data acquisition system is converted from an electrical signal to an optical signal through the photoelectric converter in the upper photoelectric connection component, transmitted through the photoelectric composite cable, and then passed through each The photoelectric converter set on the branch converts the optical signal into an electrical signal and transmits it to the sensor; the sensing data collected by the sensor on each branch is converted from the electrical signal to the optical signal through the corresponding photoelectric converter, transmitted through the photoelectric composite cable, and then passed through The photoelectric converter in the upper photoelectric connection assembly converts the optical signal into an electrical signal and transmits it to the data acquisition system.

An optical fiber convergence switch is also connected below the photoelectric converter in the upper photoelectric connection assembly, and each branch is provided with a corresponding optical fiber switch, which is arranged above the photoelectric converter in each branch optical unit. The optical fiber aggregation switch at the upper end cooperates with the optical fiber switch of each branch, which can control which sensor the signal of the data acquisition control system is transmitted to through which fiber, and realize the communication between the data acquisition controller and each branch.

The upper end of the lower photoelectric connection assembly is connected with the photoelectric composite cable, and the lower end is connected with the main junction box. The photoelectric connection assembly includes a photoelectric separation cavity, an electric slip ring, a universal joint, and a fixed flange. Conversion between optical and electrical signals.

The seabed observation system consists of a main junction box, a secondary junction box and a seabed observation sensor. The main junction box and the secondary junction box provide power for the seabed observation system and serve as the data relay of the seabed observation sensor. The data collected by the sensor is transmitted to the buoy data acquisition control system through the photoelectric composite cable.

The main junction box includes a power supply system, a control system, and a storage system, a clock system and a communication system connected to the control system, and the power supply system is used to supply power to the main junction box. The observation sensors connected to the main junction box include but are not limited to seismometers and current meters.

The secondary junction box includes a power supply system, a control system, and a storage system, a clock system and a communication system connected with the control system, and the power supply system is used for supplying power to the secondary junction box. The observation sensors connected to the secondary junction box include but are not limited to temperature and salt sensors, dissolved oxygen sensors and geomagnetic sensors.

The specific power transmission process and communication process of this system are shown in Figures 3 and 4. The power transmission process of this system includes: the power supply system composed of solar panels and batteries on the buoy platform provides 48V DC power supply, and the 48V DC power supply is converted by the booster system. The boost is 200-400V direct current, which is transmitted to the photoelectric composite cable through the upper photoelectric connection component, so as to realize low-loss transmission in the photoelectric composite cable. At the node where the sensor is mounted, the electrical unit is branched from the separation box, and the voltage is reduced for the sensor through the step-down module. At the end of the photoelectric composite cable, the main junction box is connected through the lower photoelectric connection assembly, and the main junction box is powered by the step-down module in the main junction box. The connected sensor is powered. The communication transmission process of this system includes: the buoy data collector is connected to the photoelectric converter in the upper photoelectric connection component through the RS485 communication protocol, the photoelectric converter converts the RS485 electrical signal into an optical signal, and transmits the optical signal through the optical fiber convergence switch. To the fiber switch of the corresponding node, the optical signal is then converted into an RS485 electrical signal by the photoelectric converter on each branch to realize the communication with the sensor. The communication protocol between the end of the photoelectric composite cable and the main junction box is RS232, and the communication protocol of RS232 is used between the main junction box and the secondary junction box and the sensors connected to them. The GPS module of the satellite communication/positioning system on the buoy converts the 1PPS signal (pulse second signal) into an optical signal through the photoelectric converter in the upper photoelectric connection component, transmits it through the optical fiber, and then converts it into an optical signal by the photoelectric converter in the lower photoelectric connection component. The 1PPS electrical signal is transmitted to the main junction box to realize the time calibration of the main junction box, and provides timing information for the secondary junction box and the sensors connected to it through the serial port.

The above one or more embodiments have the following technical effects:

In the present invention, a solar power system is provided on the buoy platform and transmitted through a photoelectric composite cable. Branches are separated from the photoelectric composite cable through a separation box for mounting observation sensors, and each branch is photoelectrically separated inside the separation box to obtain an optical unit and an electrical The electric unit is used to transmit electric energy to the sensor, which overcomes the defect of the limited electric power of the sensor itself, can continuously supply power to the sensor, and ensures the stable operation of the observation system.

In the present invention, a communication protocol is used to replace the traditional inductive coupling communication method, and photoelectric converters are provided between the data acquisition system on the buoy platform and the photoelectric composite cable, and on each branch optical unit on the photoelectric composite cable, thereby realizing data Real-time communication between the acquisition system and the sensors on the photoelectric composite cable, and can realize the transmission of large amount of data; in addition, there is also a photoelectric converter between the end of the photoelectric composite cable and the main junction box, so that the submarine can also be realized. The real-time transmission of observation data ensures the real-time nature of the data and improves the guarantee for possible disaster warning.

The present invention is provided with a satellite communication/positioning system, which not only can realize the positioning of the buoy, but also uses the second pulse signal output by the buoy to transmit the second pulse signal to the seabed observation through the upper optoelectronic connecting component, the optoelectronic composite cable and the lower optoelectronic connecting component in turn. The system is used for the time calibration of the main junction box and its connected observation sensors, the secondary junction box and its connected observation sensors, thereby realizing the time synchronization of each sensor in the observation system, and can more accurately restore the deep-sea profile and The situation of the seabed.

In the present invention, the sea surface meteorological system is set on the buoy platform tower for sea surface meteorological observation, the observation sensor is mounted on the photoelectric composite cable for deep sea profile observation, and the junction box and the observation sensor are set on the seabed for seabed observation, so that the sea surface and deep sea are realized. Comprehensive stereo monitoring of profiles and seafloor.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Although the specific embodiments of the present invention have been described above in conjunction with the accompanying drawings, they do not limit the scope of protection of the present invention. Those skilled in the art should understand that on the basis of the technical solutions of the present invention, those skilled in the art do not need to pay creative work. Various modifications or deformations that can be made are still within the protection scope of the present invention.

Claims (10)

1. a kind of Quan Haishen broken isometric buoy observation system based on optoelectronic composite cable, which is characterized in that including being sequentially connected Jellyfish platform, dan anchor system system and submarine observation system；

Wherein, jellyfish platform is equipped with data collection system and power-supply system；Dan anchor system system includes optoelectronic composite cable, light Multiple branches are isolated by multiple Seperating boxs on photoelectric compound cable and carry out photodetachment, and each branch is for carry observation sensing Device；Data collector acquires the data on optoelectronic composite cable with observation sensor in submarine observation system, realizes section and seabed Observation.

2. the Quan Haishen broken isometric buoy observation system based on optoelectronic composite cable as described in claim 1, which is characterized in that Voltage reduction module is equipped with by electric unit of each branch of Seperating box after photodetachment.

3. the Quan Haishen broken isometric buoy observation system based on optoelectronic composite cable as described in claim 1, which is characterized in that Dan anchor system system further includes glazing electrical connection module, and jellyfish platform is connected with optoelectronic composite cable by glazing electrical connection module It connects, photoelectric converter is equipped in the glazing electrical connection module；

Photoelectric converter is equipped with by light unit of each branch of Seperating box after photodetachment.

4. the Quan Haishen broken isometric buoy observation system based on optoelectronic composite cable as claimed in claim 3, which is characterized in that Dan anchor system system further includes lower photoelectricity connection component, and optoelectronic composite cable and submarine observation system are connected by lower photoelectricity connection component It connects, photoelectric converter is equipped in the lower photoelectricity connection component.

5. the Quan Haishen broken isometric buoy observation system based on optoelectronic composite cable as claimed in claim 4, which is characterized in that The submarine observation system includes main plug into box, secondary box of plugging into, and is separately connected the main observation for plugging into box and secondary box of plugging into and passes Sensor；Wherein, main box of plugging into is connect with lower photoelectricity connection component.

6. the Quan Haishen broken isometric buoy observation system based on optoelectronic composite cable as described in claim 1, which is characterized in that The jellyfish platform is additionally provided with sea Meteorological Observation System.

7. the Quan Haishen broken isometric buoy observation system based on optoelectronic composite cable as described in claim 1, which is characterized in that The power-supply system includes sequentially connected solar electric power supply system, battery and booster system.

8. the Quan Haishen broken isometric buoy observation system based on optoelectronic composite cable as described in claim 1, which is characterized in that The jellyfish platform is additionally provided with satellite communication/positioning system, provides the second to submarine observation system via dan anchor system system Pulse signal, when school for submarine observation devices in system.

9. the Quan Haishen broken isometric buoy observation system based on optoelectronic composite cable as claimed in claim 8, which is characterized in that The data of acquisition are passed through the satellite communication/positioning system real-time Transmission to bank station system by data collection system.

10. a kind of dan anchor system system, which is characterized in that connect up the data collection system that is arranged on jellyfish platform and Power-supply system connects downwards submarine observation system；

Dan anchor system system includes optoelectronic composite cable, isolates multiple branches simultaneously by multiple Seperating boxs on optoelectronic composite cable Photodetachment is carried out, each branch is used for carry observation sensor.