CN212366923U - Wind generating set remote monitoring system based on satellite and ad hoc network communication - Google Patents
Wind generating set remote monitoring system based on satellite and ad hoc network communication Download PDFInfo
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- CN212366923U CN212366923U CN202021140563.8U CN202021140563U CN212366923U CN 212366923 U CN212366923 U CN 212366923U CN 202021140563 U CN202021140563 U CN 202021140563U CN 212366923 U CN212366923 U CN 212366923U
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Abstract
The utility model provides a wind generating set remote monitering system based on satellite and ad hoc network communication, including satellite communication little basic station, ad hoc network basic station, wind turbine generator system, satellite communication fixed station, management server and customer terminal. Local information collection is carried out through the wind turbine generator set group, data collection and aggregation at the tail end are carried out through the ad hoc network communication network, remote transmission is carried out through a satellite backbone transmission channel, the working state and the environment state of the wind turbine generator set can be remotely monitored through accessing a client terminal, timely response and processing measures are made, timeliness, convenience and safety of daily maintenance work can be greatly improved, and daily maintenance cost can be greatly reduced. The satellite communication network of the remote monitoring system realizes data transmission by adopting a TDM/TDMA + resource dynamic allocation mode, is beneficial to the use efficiency of satellite resources and is convenient for adding a satellite communication micro base station of a newly deployed wind turbine group in the later period.
Description
Technical Field
The utility model belongs to satellite communication uses, ad hoc network communication uses and remote monitoring field, concretely relates to realize carrying out long-range beyond visual range monitored control system to wind generating set based on satellite communication and ad hoc network communication.
Background
With the urgent need of clean energy in the world, the wind power generation market continues to develop, and the installation amount continues to increase, but due to the particularity of the operation of wind generating sets, a general wind generating set group is deployed in a large area in a remote area (also called as an information island) with severe natural environment and unstable coverage without a basic communication network or network, and is not suitable for maintenance and management by adopting a manual inspection mode.
Satellite communication is a large-range and beyond-the-horizon communication means, has the advantages of long communication distance, limited geographic environment, quick installation and deployment and the like, and is the best means for solving the communication between an 'information island' and the outside; meanwhile, with the coming of the 'everything interconnection' era, people have stronger and stronger requirements on small satellite communication terminal base stations so as to realize the application of satellite communication in various industries.
The ad hoc network communication is a centerless, multi-hop and ad hoc peer-to-peer wireless communication network, which is composed of communication nodes which are terminals and routers, and the network construction does not depend on a basic communication network. The ad hoc network has the characteristics of quick construction, autonomy, peer-to-peer property and the like, and is widely applied to occasions of temporarily and quickly constructing a network, covering a communication terminal and the like, such as rescue and relief work, environmental monitoring, an intelligent network system and the like.
SUMMERY OF THE UTILITY MODEL
To aforementioned wind generating set is not suitable for the mode of adopting the manual work to patrol and examine to maintain and the problem of management, the utility model provides a realize carrying out super long-range beyond visual range monitored control system to wind generating set based on satellite and ad hoc network communication link.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a wind generating set remote monitoring system based on satellite and ad hoc network communication comprises a satellite communication micro base station, an ad hoc network base station, a wind generating set management center, a satellite communication fixed station, a management server and a client terminal; the wind turbine generator set comprises various functional modules of the generator set, various functional module sensors and a data acquisition and transmission module, wherein the data acquisition and transmission module is connected with the various functional module sensors; the satellite communication micro base station belongs to an external remote communication hub node and is deployed at the end of at least 2 wind turbine generators; the ad hoc network base station belongs to an end area information acquisition node, is deployed at each wind turbine generator end to realize full coverage of the wind turbine generator, and is connected with the satellite communication micro base station and each functional module sensor of the wind turbine generator through the data acquisition and transmission module of the wind turbine generator; the satellite communication fixed station is deployed at the management center of the wind turbine generator or the top of a building, realizes remote aerial connection with the satellite communication micro base station through a communication satellite, and is connected with the management server in a ground wired/wireless mode; the management server is deployed in a wind turbine generator management center, is provided with system management background software and is connected with the client in a ground wired/wireless mode; the client terminal is deployed in a wind turbine generator management center and is provided with system management human-computer interaction software; the satellite communication micro base station and the ad hoc network base station are installed on the top of the wind turbine generator cabin shell.
Further, the satellite communication micro base station adopts a modular design, and comprises a satellite communication antenna, a radio frequency, a baseband and an interface module, wherein: the antenna module amplifies a radio frequency signal from the radio frequency module, transmits the radio frequency signal to the satellite communication fixed station through the communication satellite communication transponder, and amplifies a radio frequency signal transmitted by the satellite communication fixed station through the satellite communication transponder and then transmits the radio frequency signal to the radio frequency module; the radio frequency module performs frequency conversion and amplification on the intermediate frequency signal from the baseband and sends the intermediate frequency signal to the antenna module, and performs amplification and frequency conversion on the radio frequency signal from the antenna module and sends the radio frequency signal to the baseband module; the baseband module demodulates, decodes and converts the intermediate frequency signal sent by the radio frequency module to an interface module, and sends the digital signal sent by the interface module to the radio frequency module after performing digital-to-analog conversion, coding and modulation; the interface module is responsible for being connected with the outside, including through the signal cable with the data acquisition transmission module of wind turbine generator system, and then with the intercommunication of ad hoc network basic station is connected with affiliated wind turbine generator system power module through the power cable, provides the power consumption of working for radio frequency and baseband module.
Further, the ad hoc network base station adopts a modular design, and comprises an antenna, a radio frequency, a baseband, an interface and a positioning module, wherein: the antenna module amplifies radio frequency signals from the radio frequency module, transmits the radio frequency signals to other ad hoc network base stations of the wind turbine group through a wireless link, amplifies radio frequency signals transmitted by other ad hoc network base stations of the wind turbine group through the wireless link, and then transmits the radio frequency signals to the radio frequency module; the radio frequency module performs frequency conversion and amplification on the intermediate frequency signal from the baseband and sends the intermediate frequency signal to the antenna module, and performs amplification and frequency conversion on the radio frequency signal from the antenna module and sends the radio frequency signal to the baseband module; the baseband module demodulates, decodes and converts the intermediate frequency signal sent by the radio frequency module to an interface module, and sends the digital signal sent by the interface and positioning module to the radio frequency module after digital-to-analog conversion, coding and modulation; the positioning module is used for calibrating the position information of the wind turbine generator, so that a remote monitoring system can conveniently position the wind turbine generator; the interface module is responsible for being connected with the outside, including through the signal cable with the data acquisition transmission module of wind turbine generator system, and then with the little basic station intercommunication of satellite communication, be connected with affiliated wind turbine generator system power module through the power cable, provide the power consumption of working for radio frequency and baseband module.
Further, the satellite communication fixed station includes a satellite communication antenna, a radio frequency and a baseband device, wherein: the satellite communication antenna amplifies a radio frequency signal from radio frequency equipment, transmits the radio frequency signal to the satellite communication micro base station through the communication satellite communication transponder, amplifies a radio frequency signal transmitted by the satellite communication micro base station through the satellite communication transponder and then transmits the radio frequency signal to the radio frequency module; the radio frequency equipment performs frequency conversion and amplification on the intermediate frequency signal from the baseband equipment and sends the intermediate frequency signal to the satellite communication antenna, and performs amplification and frequency conversion on the radio frequency signal from the satellite communication antenna and sends the radio frequency signal to the baseband equipment; the base band device demodulates, decodes and analog-to-digital converts the intermediate frequency signal sent from the radio frequency device, then sends the signal to the management server through the ground wired/wireless link and finally sends the signal to the client, and sends the digital signal sent from the management server to the radio frequency device after digital-to-analog conversion, coding and modulation.
Furthermore, the satellite communication adopts a TDM/TDMA + resource dynamic allocation transmission mode.
Further, the "resource dynamic allocation" is dynamic time slot allocation.
Furthermore, the satellite communication micro base station and the ad hoc network base station are installed on the top of the wind turbine generator cabin shell in a hollow support mode, and data and power supply cables are distributed in the hollow interior of the support.
Further, the management server is an APP server or a Web server.
Further, the client terminal is a general computer, a PAD or a smart phone.
Furthermore, the system adopts a mode of 'remote backbone + terminal coverage'.
Further, the remote backbone is used for satellite communication, and the end coverage is ad hoc network coverage.
Has the advantages that: (1) local information collection is carried out through a wind turbine generator group, data collection and aggregation at the tail end are carried out through an ad hoc network communication network, remote transmission is carried out through a satellite backbone transmission channel, maintenance personnel can remotely monitor the working state and the environment state of the wind turbine generator group without manual inspection through visiting a client terminal, and timely response and processing measures are taken, so that the timeliness, the convenience and the safety of daily maintenance work can be greatly improved, and the daily maintenance cost can be greatly reduced; (2) the remote monitoring system satellite communication network realizes data transmission by adopting a TDM/TDMA + resource dynamic allocation mode, is beneficial to the use efficiency of satellite resources and is convenient for adding a satellite communication micro base station of a newly deployed wind turbine set group at the later stage; meanwhile, the flexibility of system work is facilitated, the requirement of different satellite communication micro base stations on differentiated bandwidth can be met in real time, and the system communication capacity is improved to the maximum extent; (3) the satellite communication micro base station adopts a modularized and integrated design, reduces the integral composition of the base station, avoids the defects of inconvenient installation and use, low service life and relatively poor reliability and maintainability caused by the separate design and installation of an antenna, a radio frequency and a baseband of the traditional satellite communication base station, improves the practicability and applicability of the installation and use of the satellite communication base station and can enhance the waterproof capability; (4) the wind resistance of the base station can be improved through the hollow structure design, various cables can be distributed from the hollow part, the appearance is attractive and practical, and the working reliability and the service life of the base station are further improved; (5) the hardware engineering is simple to implement, practical popularization and application are facilitated, the adaptability of a software platform is high, and real-time remote monitoring is facilitated.
Drawings
Fig. 1 is a schematic diagram of the overall application of the remote monitoring system provided by the present invention.
Fig. 2 is a schematic view of an application flow of the remote monitoring system provided by the present invention.
Fig. 3 is the internal schematic diagram of the satellite communication micro base station of the remote monitoring system provided by the utility model.
Fig. 4 is the internal schematic diagram of the ad hoc network base station of the remote monitoring system provided by the utility model.
Fig. 5 is a schematic diagram of a satellite communication fixed station of a remote monitoring system.
Fig. 6 is the utility model provides a remote monitering system wind turbine generator system end satellite communication and ad hoc network basic station installation and connection schematic diagram.
Fig. 7 is the utility model provides a remote monitering system wind turbine generator system end ad hoc network basic station installation and connection schematic diagram.
Detailed Description
The wind power generation remote monitoring system based on satellite and ad hoc network communication provided by the invention is described in detail below with reference to the above drawings and specific embodiments.
The wind power generation remote monitoring system based on satellite and ad hoc network communication provided by the embodiment comprises a satellite communication micro base station, an ad hoc network base station, a wind turbine generator set, a satellite communication fixed station, a management server and a client terminal.
The satellite communication micro base station is an external (management center) communication hub node, the bandwidth required by daily monitoring information transmission is small, large-area deployment is not needed, one satellite communication micro base station can be normally installed, however, a backup micro base station can be installed in consideration of the fact that the whole wind turbine group cannot communicate with the outside due to the fact that one satellite communication micro base station fails to work normally, and therefore comprehensive practicability, economy and reliability are considered, and the satellite communication micro base stations are selected to be installed on at least 2 wind turbine groups according to the scale of the wind turbine group. The satellite communication micro base station is powered by the wind turbine generator power supply module, and is connected with the ad hoc network base station through the wind turbine generator and the data acquisition and transmission module, so that data aggregation, forwarding and distribution are realized.
The ad hoc network base station belongs to a regional information acquisition node, each wind turbine generator of the wind turbine generator set group is installed, the wind turbine generator power supply module supplies power, and the data acquisition and transmission module of the wind turbine generator is connected with the satellite communication micro base station and each functional module sensor of the wind turbine generator set, so that information interaction with the satellite communication micro base station, acquisition and transmission of state information of the wind turbine generator set, reporting of position information of the satellite communication micro base station, and transmission and forwarding of information in the ad hoc network are realized.
The wind turbine generator data acquisition and transmission module is connected with the sensors of the functional modules of the wind turbine generator, so that the acquisition of the internal working state information of the wind turbine generator is realized, and the control information distribution of the functional modules of the wind turbine generator is realized. The wind turbine generator data acquisition and transmission module is simultaneously connected with the satellite communication micro base station and the ad hoc network base station, so that the reporting of the acquired data and the receiving of the control information are realized.
The satellite communication micro base station and the ad hoc network base station are installed on the top of the wind turbine generator cabin shell in a hollow support mode, and data and power supply cables are distributed inside the support in a hollow mode.
The satellite communication fixed station is deployed on the ground of a management center or the top of a building, is in aerial connection with the satellite communication micro base station through a communication satellite, is used for receiving the working state information of each wind turbine generator in the wind turbine generator group returned by the satellite communication micro base station and sending control information to the wind turbine generators, and is connected with the management server in a ground wired/wireless mode to realize the bidirectional transmission of various monitoring information.
The management server is provided with background software of the remote monitoring system and is connected with the client in a ground wired/wireless mode to realize the bidirectional transmission of various monitoring information with the client; and the client side is provided with a human-computer interaction interface to realize the monitoring of the wind turbine generator set by an operator.
As shown in fig. 1 and fig. 2, in the topology of the remote monitoring system, the operation state information of each functional module in the wind turbine generator group is collected by a data collection transmission module, the ad hoc network base station installed on the wind turbine generator performs ad hoc network internal information transmission, and the ad hoc network base station position information are sent to the satellite communication micro base station through the data collection transmission module and sent to the satellite communication fixed station through a communication satellite transponder; the satellite communication fixed station is arranged in a management center and works in the coverage range of the same communication WeChat repeater with the satellite communication micro base station, and the satellite communication fixed station sends the received wind turbine generator operation change information to the management server through a ground wired/wireless link and sends the received wind turbine generator operation change information to the client through the ground wired/wireless link to be displayed to a user; meanwhile, the working states of the satellite communication micro base station and the ad hoc network base station can be reported to a management center through the process. The issuing process of the management information of the client is opposite to the reporting process of the running state information.
As shown in fig. 3, the satellite communication micro base station adopts a modular design, wherein: the antenna module amplifies a radio frequency signal from the radio frequency module, transmits the radio frequency signal to the satellite communication fixed station through the communication satellite communication transponder, and amplifies a radio frequency signal transmitted by the satellite communication fixed station through the satellite communication transponder and then transmits the radio frequency signal to the radio frequency module; the radio frequency module performs frequency conversion and amplification on the intermediate frequency signal from the baseband and sends the intermediate frequency signal to the antenna module, and performs amplification and frequency conversion on the radio frequency signal from the antenna module and sends the radio frequency signal to the baseband module; the baseband module demodulates, decodes and converts the intermediate frequency signal sent by the radio frequency module to an interface module, and sends the digital signal sent by the interface module to the radio frequency module after performing digital-to-analog conversion, coding and modulation; the interface module is responsible for being connected with the outside, including through the signal cable with the data acquisition transmission module of wind turbine generator system, and then with the intercommunication of ad hoc network basic station is connected with affiliated wind turbine generator system power module through the power cable, provides the power consumption of working for radio frequency and baseband module.
As shown in fig. 4, the ad hoc network base station adopts a modular design, wherein: the antenna module amplifies radio frequency signals from the radio frequency module, transmits the radio frequency signals to other ad hoc network base stations of the wind turbine group through a wireless link, amplifies radio frequency signals transmitted by other ad hoc network base stations of the wind turbine group through the wireless link, and then transmits the radio frequency signals to the radio frequency module; the radio frequency module performs frequency conversion and amplification on the intermediate frequency signal from the baseband and sends the intermediate frequency signal to the antenna module, and performs amplification and frequency conversion on the radio frequency signal from the antenna module and sends the radio frequency signal to the baseband module; the baseband module demodulates, decodes and converts the intermediate frequency signal sent by the radio frequency module to an interface module, and sends the digital signal sent by the interface and positioning module to the radio frequency module after digital-to-analog conversion, coding and modulation; the positioning module is used for calibrating the position information of the wind turbine generator, so that a remote monitoring system can conveniently position the wind turbine generator; the interface module is responsible for being connected with the outside, including through the signal cable with the data acquisition transmission module of wind turbine generator system, and then with the little basic station intercommunication of satellite communication, be connected with affiliated wind turbine generator system power module through the power cable, provide the power consumption of working for radio frequency and baseband module.
As shown in fig. 5, the satellite communication fixed station is composed of a satellite communication antenna, a radio frequency and a baseband device, wherein: the satellite communication antenna amplifies a radio frequency signal from radio frequency equipment, transmits the radio frequency signal to the satellite communication micro base station through the communication satellite communication transponder, amplifies a radio frequency signal transmitted by the satellite communication micro base station through the satellite communication transponder and then transmits the radio frequency signal to the radio frequency module; the radio frequency equipment performs frequency conversion and amplification on the intermediate frequency signal from the baseband equipment and sends the intermediate frequency signal to the satellite communication antenna, and performs amplification and frequency conversion on the radio frequency signal from the satellite communication antenna and sends the radio frequency signal to the baseband equipment; the base band device demodulates, decodes and analog-to-digital converts the intermediate frequency signal sent from the radio frequency device, then sends the signal to the management server through the ground wired/wireless link and finally sends the signal to the client, and sends the digital signal sent from the management server to the radio frequency device after digital-to-analog conversion, coding and modulation.
And the management server is provided with remote monitoring system background running software which is used for carrying out automatic running management, log storage, abnormal alarm and the like on the wind turbine generator, the satellite communication micro base station and the ad hoc network base station, and receiving data calling and parameter setting of the client man-machine interaction software.
And the client side is provided with human-computer interaction software, can call the relevant data of the background running software of the management server, and can control and manage the wind turbine generator, the satellite communication micro base station and the ad hoc network base station by an operator.
As shown in fig. 6 and 7, the wind turbine generator has natural advantages in deployment environment, installation space, communication height, power supply and the like, and the satellite communication micro base station and the ad hoc network base station are installed on the top of the wind turbine generator cabin shell and used for acquiring data and supplying power.
By combining the detailed description of the architecture and the node structure of the remote monitoring system, the system is simple in composition and easy to implement, can realize remote monitoring of the wind turbine group with remote deployment, inconvenient traffic and unsmooth communication by operators, avoids the defects of poor timeliness, low safety and high cost caused by manual inspection, and is convenient to popularize and apply on the whole.
By adopting a TDM/TDMA transmission mode, the anti-interference working capacity of the satellite communication micro base station and the utilization rate of satellite resource frequency can be improved, the later-stage capacity expansion is facilitated, and the complexity of the base station is reduced. Meanwhile, by adopting 'resource dynamic allocation', the communication capacity of the satellite communication micro base station can be dynamically adjusted, the communication time slot can be increased in real time for the satellite communication micro base station with high-capacity real-time data transmission requirement, the flexibility of system work is enhanced, the utilization rate of a satellite source is further improved, and the communication capacity of the system is improved to the maximum extent.
The remote monitoring system realizes remote supervision of the wind turbine set group by adopting a remote backbone + terminal coverage mode, the satellite communication micro base stations are selectively deployed in the wind turbine set group only as remote backbone transmission nodes, and low-cost ad hoc network base stations are adopted in the wind turbine set group for data acquisition and aggregation, so that hardware and satellite resource leasing cost caused by large-area installation of the satellite communication micro base stations is avoided.
The satellite communication micro base station adopts a modularized and integrated design, and the defects of complex design, installation, connection and use, poor reliability and maintainability, low service life, high maintenance cost and the like caused by independent combination of functions of the traditional satellite communication base station are avoided.
The satellite communication micro base station and the ad hoc network base station casing adopt an optimized wind resistance design, 2 hollow supports are arranged at the top of the wind turbine generator housing, the installation reliability is facilitated, a power supply and a signal cable are respectively arranged on the two hollow supports, the stable transmission of signals is facilitated, and the service life can be prolonged.
The management server adopts a Web server or an APP server, the client platform adopts a universal platform including a computer, a PAD and a smart phone, and the convenience of remote monitoring of operators is improved.
It should be noted herein that while the embodiments of the present invention have been described in connection with the accompanying drawings, the present invention is not limited to the above-mentioned embodiments and application fields, and the above-mentioned embodiments are only illustrative and instructive, but not restrictive. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto without departing from the scope of the invention as defined by the claims.
Claims (4)
1. A wind generating set remote monitoring system based on satellite and ad hoc network communication is characterized by comprising a satellite communication micro base station, an ad hoc network base station, a wind generating set management center, a satellite communication fixed station, a management server and a client terminal; the wind turbine generator set comprises various functional modules of the generator set, various functional module sensors and a data acquisition and transmission module, wherein the data acquisition and transmission module is connected with the various functional module sensors; the satellite communication micro base station belongs to an external remote communication hub node and is deployed at the end of at least 2 wind turbine generators; the ad hoc network base station belongs to an end area information acquisition node, is deployed at each wind turbine generator end to realize full coverage of the wind turbine generator, and is connected with the satellite communication micro base station and each functional module sensor of the wind turbine generator through the data acquisition and transmission module of the wind turbine generator; the satellite communication fixed station is deployed at the management center of the wind turbine generator or the top of a building, realizes remote aerial connection with the satellite communication micro base station through a communication satellite, and is connected with the management server in a ground wired/wireless mode; the management server is deployed in a wind turbine generator management center, is provided with system management background software and is connected with the client in a ground wired/wireless mode; the client terminal is deployed in a wind turbine generator management center and is provided with system management human-computer interaction software; the satellite communication micro base station and the ad hoc network base station are installed on the top of the wind turbine generator cabin shell.
2. The wind generating set remote monitoring system based on satellite and ad hoc network communication of claim 1, wherein the satellite communication micro base station comprises a satellite communication antenna, a radio frequency, a baseband and an interface module, wherein: the antenna module amplifies a radio frequency signal from the radio frequency module, transmits the radio frequency signal to the satellite communication fixed station through the communication satellite communication transponder, and amplifies a radio frequency signal transmitted by the satellite communication fixed station through the satellite communication transponder and then transmits the radio frequency signal to the radio frequency module; the radio frequency module performs frequency conversion and amplification on the intermediate frequency signal from the baseband and sends the intermediate frequency signal to the antenna module, and performs amplification and frequency conversion on the radio frequency signal from the antenna module and sends the radio frequency signal to the baseband module; the baseband module demodulates, decodes and converts the intermediate frequency signal sent by the radio frequency module to an interface module, and sends the digital signal sent by the interface module to the radio frequency module after performing digital-to-analog conversion, coding and modulation; the interface module is responsible for being connected with the outside, including through the signal cable with the data acquisition transmission module of wind turbine generator system, and then with the intercommunication of ad hoc network basic station is connected with affiliated wind turbine generator system power module through the power cable, provides the power consumption of working for radio frequency and baseband module.
3. The remote monitoring system for wind generating set based on satellite and ad hoc network communication of claim 1, wherein said ad hoc network base station comprises an antenna, a radio frequency, a baseband, an interface and a positioning module, wherein: the antenna module amplifies radio frequency signals from the radio frequency module, transmits the radio frequency signals to other ad hoc network base stations of the wind turbine group through a wireless link, amplifies radio frequency signals transmitted by other ad hoc network base stations of the wind turbine group through the wireless link, and then transmits the radio frequency signals to the radio frequency module; the radio frequency module performs frequency conversion and amplification on the intermediate frequency signal from the baseband and sends the intermediate frequency signal to the antenna module, and performs amplification and frequency conversion on the radio frequency signal from the antenna module and sends the radio frequency signal to the baseband module; the baseband module demodulates, decodes and converts the intermediate frequency signal sent by the radio frequency module to an interface module, and sends the digital signal sent by the interface and positioning module to the radio frequency module after digital-to-analog conversion, coding and modulation; the positioning module is used for calibrating the position information of the wind turbine generator, so that a remote monitoring system can conveniently position the wind turbine generator; the interface module is responsible for being connected with the outside, including through the signal cable with the data acquisition transmission module of wind turbine generator system, and then with the little basic station intercommunication of satellite communication, be connected with affiliated wind turbine generator system power module through the power cable, provide the power consumption of working for radio frequency and baseband module.
4. The wind generating set remote monitoring system based on satellite and ad hoc network communication according to claim 1, wherein the satellite communication fixed station comprises a satellite communication antenna, radio frequency and baseband equipment, wherein: the satellite communication antenna amplifies a radio frequency signal from radio frequency equipment, transmits the radio frequency signal to the satellite communication micro base station through the communication satellite communication transponder, amplifies a radio frequency signal transmitted by the satellite communication micro base station through the satellite communication transponder and then transmits the radio frequency signal to the radio frequency module; the radio frequency equipment performs frequency conversion and amplification on the intermediate frequency signal from the baseband equipment and sends the intermediate frequency signal to the satellite communication antenna, and performs amplification and frequency conversion on the radio frequency signal from the satellite communication antenna and sends the radio frequency signal to the baseband equipment; the base band device demodulates, decodes and analog-to-digital converts the intermediate frequency signal sent from the radio frequency device, then sends the signal to the management server through the ground wired/wireless link and finally sends the signal to the client, and sends the digital signal sent from the management server to the radio frequency device after digital-to-analog conversion, coding and modulation.
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Address after: No. 3, Lianhe village, Qinhuai District, Nanjing, Jiangsu 210014 Patentee after: CEC Defense Technology Co.,Ltd. Patentee after: NANJING PANDA ELECTRONICS Co.,Ltd. Address before: 210002 No. 301 East Zhongshan Road, Jiangsu, Nanjing Patentee before: NANJING PANDA HANDA TECHNOLOGY Co.,Ltd. Patentee before: NANJING PANDA ELECTRONICS Co.,Ltd. |