CN216795000U - Underwater bidirectional data high-speed transmission system - Google Patents
Underwater bidirectional data high-speed transmission system Download PDFInfo
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- CN216795000U CN216795000U CN202220448123.1U CN202220448123U CN216795000U CN 216795000 U CN216795000 U CN 216795000U CN 202220448123 U CN202220448123 U CN 202220448123U CN 216795000 U CN216795000 U CN 216795000U
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Abstract
The utility model discloses an underwater bidirectional data high-speed transmission system, which comprises: gather transmission platform, transfer platform and the monitoring platform on water under water: the underwater acquisition and transmission platform is used for acquiring underwater environment information and performing bidirectional transmission with the overwater transfer platform through two optical fiber channels; the overwater transfer platform is used for processing the acquired underwater environment information, sending the underwater environment information to the overwater monitoring platform through the Ethernet, receiving a control instruction sent by the overwater monitoring platform through the Ethernet and sending the control instruction to the underwater acquisition and transmission platform through the optical fiber channel; the water monitoring platform is used for monitoring the received underwater environment information and is responsible for sending control instructions of the underwater equipment. The underwater high-definition video real-time control system is used for water area reconnaissance and real-time control of underwater equipment, and can transmit underwater high-definition videos and various sensing data to the water surface in real time and in a long distance without compression.
Description
Technical Field
The utility model relates to the technical field of water area detection and monitoring, in particular to an underwater bidirectional data high-speed transmission system.
Background
As an important basis for water area reconnaissance and underwater engineering development, the acquisition of underwater videos and sensing data, the transmission to the water surface and the monitoring of underwater equipment play an indispensable role in exploring the ocean and developing the ocean. The existing underwater data transmission system has the problems of low data transmission bandwidth, single function, specific application scene and the like.
Therefore, how to provide an underwater bidirectional data high-speed transmission system with high transmission bandwidth, strong compatibility and good real-time performance is a problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an underwater bidirectional high-speed data transmission system, which is used for water area reconnaissance and real-time control of underwater equipment. The underwater high-definition video and various sensing data can be transmitted to the water surface in real time and in a long distance without compression, the monitoring display and the storage can be carried out in the upper computer, and meanwhile, the upper computer can send a control command to underwater equipment to control the underwater equipment.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an underwater two-way data high-speed transmission system comprising: gather transmission platform, transfer platform and the monitoring platform on water under water:
the underwater acquisition and transmission platform is used for acquiring underwater environment information and performing bidirectional transmission with the above-water transfer platform through two fiber channels;
the overwater transfer platform is used for processing the acquired underwater environment information, sending the acquired underwater environment information to the overwater monitoring platform through the Ethernet, receiving a control instruction sent by the overwater monitoring platform through the Ethernet and sending the control instruction to the underwater acquisition and transmission platform through a fiber channel;
the water monitoring platform is used for monitoring the received underwater environment information and is responsible for sending control instructions of the underwater equipment.
Preferably, the underwater acquisition and transmission platform comprises an underwater main control module, a camera module, a sensing data acquisition module, an underwater optical fiber transmission module and an underwater power supply module, and the underwater main control module is respectively connected with the camera module, the sensing data acquisition module and the underwater optical fiber transmission module;
the camera module is used for acquiring underwater video images;
the sensing data acquisition module is used for acquiring underwater environment sensing data;
the underwater optical fiber transmission module is used for carrying out bidirectional transmission with the above-water transfer platform;
the underwater main control module is used for controlling acquisition and uploading of underwater environment information and controlling underwater equipment according to a control instruction.
The underwater power supply module is used for providing power for the underwater main control module and the sensing data acquisition module.
Preferably, the overwater transfer platform comprises an overwater main control module, an overwater optical fiber transmission module, a data cache module, a gigabit Ethernet transmission module and an overwater power supply module, the overwater main control module is respectively connected with the overwater optical fiber transmission module, the data cache module and the gigabit Ethernet transmission module, and the overwater optical fiber transmission module is connected with the underwater optical fiber transmission module;
the above-water optical fiber transmission module is used for carrying out bidirectional transmission with the underwater optical fiber transmission module;
the underwater main control module is used for analyzing underwater environment information and control instructions;
the data cache module is used for storing underwater environment information;
the gigabit Ethernet transmission module is used for carrying out bidirectional transmission with the overwater monitoring platform;
the overwater power supply module is used for providing power for the overwater main control module and the data caching module.
Preferably, the above-water monitoring platform comprises a network communication module, a video monitoring module, a sensing data monitoring module, a monitoring interface and a control instruction issuing module, wherein the network communication module is respectively connected with the video monitoring module, the sensing data monitoring module, the control instruction issuing module and the above-water optical fiber transmission module;
the network communication module is used for carrying out bidirectional communication with the gigabit Ethernet transmission module;
the video monitoring module is used for monitoring and recording underwater video images in real time;
the sensing data monitoring module is used for monitoring and storing underwater environment sensing data;
the monitoring interface is used for overall layout and component placement of the platform;
the control instruction issuing module is used for issuing a control instruction.
Preferably, the sensing data acquisition module includes, but is not limited to, a hydrophone, a depth sensor, a temperature sensor, an attitude sensor, and a turbidity sensor.
Preferably, the underwater optical fiber transmission module and the above-water optical fiber transmission module are both two optical fibers, the underwater video image occupies one optical fiber, and the underwater environment sensing data and the control instruction share the same optical fiber.
Preferably, each optical fiber can perform full-duplex data communication, and the transceiving speed of each channel of the optical fiber is 5 Gb/s.
According to the technical scheme, compared with the prior art, the underwater bidirectional data high-speed transmission system disclosed by the utility model adopts the optical cable as the transmission medium, so that the underwater data transmission system is not limited by the speed of a traditional data interface, the data can be transmitted bidirectionally at the same time, and the transmitted video picture is free of compression and high in quality. On hardware, enough common sensor interfaces are reserved in the underwater acquisition and transmission platform, and various underwater sensor devices can be added conveniently at any time. Therefore, the underwater control system is convenient to operate, an underwater sensor can be added at any time, the underwater condition can be monitored in real time, and a control command is sent to underwater equipment. The utility model has the characteristics of high underwater bidirectional data transmission bandwidth, strong compatibility and good real-time property.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an overall architecture diagram of an underwater bidirectional data transmission system.
Fig. 2 is a hardware structure diagram of an underwater acquisition and transmission platform.
Fig. 3 is a software flow chart of the underwater acquisition and transmission platform.
Fig. 4 is a hardware block diagram of the aquatic transfer platform.
Fig. 5 is a software flow chart of the aquatic transfer platform.
FIG. 6 is a functional model diagram of the water monitoring platform.
Fig. 7 is a simplified configuration diagram of an optical fiber communication system.
Fig. 8 is a diagram of an application example of the underwater bidirectional data transmission system.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The embodiment of the utility model discloses an underwater bidirectional data high-speed transmission system, which comprises an underwater acquisition and transmission platform, an over-water transfer platform and an over-water monitoring platform, as shown in figures 1 and 8.
The underwater acquisition and transmission platform carries out data bidirectional transmission with the overwater transit platform by using two optical fiber channels, and each optical fiber channel can carry out full-duplex data communication. The underwater data acquisition and transmission platform processes the acquired underwater environment information through caching, encoding and the like, packages the information and sends the information to the overwater transit platform through optical fibers.
The aquatic transfer platform uses gigabit Ethernet to communicate with the aquatic monitoring platform. The overwater transfer platform receives data sent by the underwater acquisition and transmission platform in a packaged mode through optical fibers, then processes the data in an analyzing mode, a caching mode, a coding mode and the like, and finally transmits various monitoring data to the overwater monitoring platform in a unified mode through the gigabit Ethernet.
The overwater monitoring platform can monitor and store underwater environment information in real time, can send control instructions to underwater, and the control instructions are firstly sent to the overwater transfer platform through a gigabit Ethernet, then are transmitted to the underwater acquisition and transmission platform through optical fibers, and finally are analyzed through the underwater acquisition and transmission platform, so that various different operations can be completed according to the content of instruction analysis.
The utility model adopts a modular design, each part of the system can be independently debugged, and when a certain part has a problem, the disassembly and the replacement are convenient.
In this embodiment, as shown in fig. 1, the underwater acquisition and transmission platform is used as a data source of the other two platforms, and mainly acquires source data of the underwater camera and various sensors, transmits the source data to the water, and at the same time prepares to receive a control instruction issued by the water monitoring platform, and directly controls the underwater external device according to the control instruction. The underwater optical fiber transmission system specifically comprises an underwater main control module, a camera module, a sensing data acquisition module, an underwater optical fiber transmission module and an underwater power supply module; the camera module is used for acquiring underwater video images; the sensing data acquisition module is used for acquiring underwater environment sensing data; the underwater optical fiber transmission module is used for carrying out bidirectional transmission with the overwater transfer platform; the underwater main control module is used for controlling acquisition and uploading of underwater environment information and controlling the underwater equipment according to a control instruction; the underwater power supply module is used for supplying power to the underwater main control module and the sensing data acquisition module.
As shown in fig. 2, the underwater acquisition and transmission platform adopts a working mode of FPGA + STM 32. The main control chip selects Artix-7 series XC7A200T model FPGA, and the specific implementation method for controlling the acquisition and uploading of underwater environment information and the control of underwater equipment according to the control instruction adopts the prior art; a starting mirror image storage chip of the FPGA system selects FLASH with the model number of N25Q 128; the sensor data acquisition board card chip selects STM32F 103; the sensor device is selected from a hydrophone, a depth sensor, a temperature sensor, an attitude sensor and a turbidity sensor, and a sensor of a common interface type can also be added in an expanded way; the camera module selects an underwater CMOS camera; the underwater photoelectric conversion module selects an AXS13-192-10SFP + optical module supporting hot plugging.
As shown in FIG. 3, the sensor data acquisition module is implemented by STM32 programming, and the rest of software design is developed by using Vivado design suite, and the logic design of each module is carried out by adopting Verilog language. STM32 carries out the collection of all kinds of sensing data earlier, FPGA chip control gathers camera data under water, the sensing data that STM32 gathered and other, then pack data and handle through the electricity-light conversion of the optic fibre transmission module under water and send optical signal to on water, in addition, still need through the optic fibre transmission module on water the light-electricity conversion processing, receive the control command that the transfer platform transmitted on water and produce corresponding action, optic fibre transmission module is two way optic fibre under water, each way optic fibre can all carry out full duplex data communication, wherein high definition video sends and occupies optic fibre of the same kind, sensing data send and the optic fibre of the same kind of sharing of receiving of control command under water.
In this embodiment, as shown in fig. 1, the above-water transit platform is used as a key bridge in the system transmission process, and not only needs to receive and analyze data sent by the underwater acquisition and transmission platform, and upload the data to the above-water monitoring platform after converting the data into an electrical signal, but also needs to receive a control instruction issued by the above-water monitoring platform, and transmit the control instruction to the underwater acquisition and transmission platform after converting the control instruction into an optical signal. The system specifically comprises an overwater main control module, an overwater optical fiber transmission module, a data cache module, a gigabit Ethernet transmission module and an overwater power supply module; the overwater optical fiber transmission module is used for carrying out bidirectional transmission with the underwater optical fiber transmission module; the underwater main control module is used for analyzing the underwater environment information and the control instruction, buffering the underwater environment information, sending the buffered underwater environment information to the gigabit Ethernet transmission module, and unpacking control instruction data sent in an Ethernet mode; the data cache module is used for storing underwater environment information; the gigabit Ethernet transmission module is used for performing bidirectional transmission with the water monitoring platform; the water power supply module is used for providing power for the water main control module and the data cache module.
As shown in fig. 4, the main control chip of the aquatic transfer platform selects an Artix-7 series XC7a200T model FPGA, and the specific implementation method adopts the prior art; the two DDR3 of the data cache module are MT41J256M16HA-125 chips, and the two DDR3 are selected here, and are used for expanding 16-bit data corresponding to one memory address into 32-bit data corresponding to one memory address and caching video data; a starting mirror image storage chip of the FPGA system selects FLASH with the model number of N25Q 128; the gigabit Ethernet selects a KSZ9031RNX Ethernet PHY chip; the overwater photoelectric conversion module selects an AXS13-192-10SFP + optical module supporting hot plugging.
As shown in fig. 5, the overwater transfer platform first receives monitoring data acquired by various sensors and cameras in the underwater acquisition and transmission platform; then, after the photoelectric conversion processing, video and sensing data are respectively stored in DDR3 and an on-chip RAM by means of FIFO, wherein the on-chip RAM belongs to an IP core generated by the FPGA main control chip; and finally, uniformly packaging and transmitting the detection data to the overwater monitoring platform through the gigabit Ethernet. In addition, the overwater transfer platform also needs to receive a control instruction sent by the overwater monitoring platform, and the control instruction is processed into an optical signal through electric-optical conversion and sent to the underwater acquisition and transmission platform.
In this embodiment, as shown in fig. 1 and 6, the above-water monitoring platform serves as a data receiving end of the whole underwater data transmission system and is responsible for receiving underwater data uploaded by the above-water relay platform; meanwhile, the underwater equipment control command is also responsible for sending the underwater equipment control command as a user operation end. The system comprises a monitoring interface, a network communication module, a video monitoring module, a sensing data monitoring module and a control instruction issuing module, wherein the network communication module is used for carrying out bidirectional communication with a gigabit Ethernet transmission module; the video monitoring module is used for monitoring and recording underwater video images in real time; the sensing data monitoring module is used for monitoring and storing the underwater environment sensing data; the monitoring interface is used for overall layout and component placement of the platform; the control instruction issuing module is used for issuing a control instruction.
The water monitoring platform is designed based on an MFC framework, wherein an interface thread belongs to a main thread, and threads such as internet access communication and video monitoring belong to a working thread. The whole interface can simultaneously carry out video display, sensing data display and control instruction sending, and in addition, real-time recording (OpenCV) and sensing data storage (MySQL) can be carried out on the video.
It should be noted that the present invention only improves the hardware structure and the connection relationship, and those skilled in the art can implement the related specific algorithm according to the prior art without creative work.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An underwater bidirectional high-speed data transmission system, comprising: gather transmission platform, transfer platform and the monitoring platform on water under water:
the underwater acquisition and transmission platform is used for acquiring underwater environment information and performing bidirectional transmission with the above-water transfer platform through two fiber channels;
the overwater transfer platform is used for processing the acquired underwater environment information, sending the acquired underwater environment information to the overwater monitoring platform through the Ethernet, receiving a control instruction sent by the overwater monitoring platform through the Ethernet and sending the control instruction to the underwater acquisition and transmission platform through a fiber channel;
the above-water monitoring platform is used for monitoring the received underwater environment information and is responsible for sending control instructions of underwater equipment.
2. The underwater bidirectional data high-speed transmission system according to claim 1, wherein the underwater acquisition and transmission platform comprises an underwater main control module, a camera module, a sensing data acquisition module, an underwater optical fiber transmission module and an underwater power supply module, and the underwater main control module is respectively connected with the camera module, the sensing data acquisition module and the underwater optical fiber transmission module;
the camera module is used for acquiring underwater video images;
the sensing data acquisition module is used for acquiring underwater environment sensing data;
the underwater optical fiber transmission module is used for carrying out bidirectional transmission with the above-water transfer platform;
the underwater main control module is used for controlling acquisition and uploading of underwater environment information and controlling the underwater equipment according to a control instruction;
the underwater power supply module is used for providing power for the underwater main control module and the sensing data acquisition module.
3. The underwater bidirectional data high-speed transmission system according to claim 2, wherein the above-water transfer platform comprises an above-water main control module, an above-water optical fiber transmission module, a data cache module, a gigabit Ethernet transmission module and an above-water power supply module, the above-water main control module is respectively connected with the above-water optical fiber transmission module, the data cache module and the gigabit Ethernet transmission module, and the above-water optical fiber transmission module is connected with the underwater optical fiber transmission module;
the above-water optical fiber transmission module is used for carrying out bidirectional transmission with the underwater optical fiber transmission module;
the underwater main control module is used for analyzing underwater environment information and control instructions;
the data cache module is used for storing underwater environment information;
the gigabit Ethernet transmission module is used for carrying out bidirectional transmission with the overwater monitoring platform;
the overwater power supply module is used for providing power for the overwater main control module and the data caching module.
4. The underwater bidirectional data high-speed transmission system according to claim 3, wherein the above-water monitoring platform is functionally divided into a network communication module, a video monitoring module, a sensing data monitoring module, a monitoring interface and a control instruction issuing module, and the network communication module is respectively connected with the video monitoring module, the sensing data monitoring module, the control instruction issuing module and the above-water optical fiber transmission module;
the network communication module is used for carrying out bidirectional communication with the gigabit Ethernet transmission module;
the video monitoring module is used for monitoring and recording underwater video images in real time;
the sensing data monitoring module is used for monitoring and storing underwater environment sensing data;
the monitoring interface is used for overall layout and component placement of the platform;
the control instruction issuing module is used for issuing a control instruction.
5. The underwater bidirectional data high-speed transmission system according to claim 2, wherein the sensing data acquisition module includes, but is not limited to, a hydrophone, a depth sensor, a temperature sensor, an attitude sensor, and a turbidity sensor.
6. The system of claim 3, wherein the underwater optical fiber transmission module and the above-water optical fiber transmission module are both two optical fibers, the underwater video image occupies one optical fiber, and the underwater environment sensing data and the control command share one optical fiber.
7. An underwater bidirectional data high-speed transmission system as claimed in claim 6, wherein each optical fiber can perform full-duplex data communication, and the transceiving speed of each channel of the optical fiber is 5 Gb/s.
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| CN202220448123.1U CN216795000U (en) | 2022-03-03 | 2022-03-03 | Underwater bidirectional data high-speed transmission system |
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