CN210007700U - emergency data communication system suitable for offshore converter station to onshore converter station - Google Patents
emergency data communication system suitable for offshore converter station to onshore converter station Download PDFInfo
- Publication number
- CN210007700U CN210007700U CN201921196932.2U CN201921196932U CN210007700U CN 210007700 U CN210007700 U CN 210007700U CN 201921196932 U CN201921196932 U CN 201921196932U CN 210007700 U CN210007700 U CN 210007700U
- Authority
- CN
- China
- Prior art keywords
- station
- converter station
- satellite
- offshore
- remote
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Radio Relay Systems (AREA)
Abstract
The utility model provides an emergency data communication system suitable for marine converter station to land converter station, including the central station of locating land converter station and the remote terminal of locating marine converter station, the two-way high-speed satellite link is established through the Ku wave band transponder of geostationary orbit satellite to central station and remote terminal, and communication system takes the one way single carrier wave.
Description
Technical Field
The utility model relates to an offshore wind power generation technical field, concretely relates to emergency data communication system who is applicable to marine converter station to land converter station.
Background
The offshore distance of the wind power plant is often more than 80km, the installed total capacity of a single offshore wind power plant or a plurality of adjacent offshore wind power plants is often more than 800 MW., the stability and the economy of alternating current high-voltage submarine cable transmission and the limitation of submarine cable routing channels are considered, and a flexible direct current sending scheme is adopted, namely offshore converter stations are built near the alternating current offshore booster stations of the single offshore wind power plant or the plurality of adjacent offshore wind power plants, alternating current is rectified into direct current, the direct current is transmitted to the land through the high-voltage direct current submarine cables, and electric energy is transmitted to a power grid after the alternating current is inverted into the alternating current through the land converter stations.
At present, is smaller than 50km offshore in a wind power plant, and a communication scheme configured between an offshore booster station and an onshore centralized control center generally uses optical communication as primary communication and uses microwave communication and a very high frequency amplitude modulation (VHF-FM) station as emergency communication.
In the offshore converter station with the offshore distance exceeding 80km, optical communication is also used as main communication, but the signal attenuation of conventional microwave communication and very high frequency amplitude modulation (VHF-FM) stations is large under the working condition that the distance exceeds 50km, and the use is limited, so that an emergency communication scheme from the offshore converter station to the onshore converter station is urgently sought.
Disclosure of Invention
The utility model aims at providing kinds of emergency data communication system who is applicable to marine converter station to land converter station, aims at that optical communication passageway or equipment damage or main use can transmit marine converter station to land converter station's emergency data, pronunciation and video signal, guarantee marine converter station equipment and personnel's safety through emergency data communication system rapidly under the condition of communication interrupt.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
an emergency data communication system suitable for a marine converter station to a land converter station comprises a central station arranged on the land converter station and a remote station arranged on the marine converter station, wherein the central station and the remote station establish a bidirectional high-speed satellite link through a Ku waveband transponder of a static orbit satellite, and a communication system adopts a single-path single carrier.
, the central station includes a satellite antenna , a radio frequency device 0, a modem 1, a network switch , a network management system and various service systems , and each service system includes a monitoring system , a video system , a fire alarm and fire fighting system , a voice gateway and a telephone ;
the remote station comprises a second satellite antenna, a second radio frequency device, a second modem, a second network switch and a second business system, wherein the second business system comprises a second monitoring system, a second video system, a second fire alarm and fire fighting system, a second voice gateway and a second telephone;
data, video and voice signals of a monitoring system II, a video system II, a fire alarm and fire fighting system II and a voice gateway II in each service system II of the remote station are transmitted to a modem II through a network switch II, modulated intermediate frequency signals are transmitted to a satellite antenna II after being subjected to signal power amplification and low noise processing through a radio frequency device II, the signals are transmitted through the satellite antenna II and are transferred through a Ku waveband satellite, the satellite antenna of the central station receives the signals, the signals are demodulated into low frequency signals after passing through a radio frequency device and a modem , and the data are transmitted to each service system of the central station through the network switch according to services;
the control signals transmitted from the central station to the remote station are transmitted in reverse direction by the above-mentioned devices.
, the network management system of the central station controls the establishment of a single-channel single-carrier link between the central station and the remote station, and the system manages and allocates satellite bandwidth resources, thereby realizing the functions of adding, deleting and changing parameters of the remote station in the satellite system.
, the emergency data communication system is expanded to include a plurality of remote stations that may be located on the rooftop of the marine converter station, marine platform, or marine booster station, and that may communicate with each other between each remote station and the central station and between each remote station.
Compared with the prior art, the utility model, have following advantage:
the utility model discloses kind are applicable to the emergent data communication system of marine converter station to land converter station, satellite communication system (VSAT) has been disposed at marine converter station and land converter station, an emergent data communication for between marine converter station to the land converter station, mainly transmit monitoring data, pronunciation, signals such as video, consider that marine converter station is far away from the land, the difficulty of going out of the sea, accessibility is poor, under the condition of optical communication interrupt, need the land converter station still can real-time remote monitoring marine converter station's diesel generator, fire alarm and fire extinguishing system, the data monitoring situation and the problem of personnel's communication of important equipment such as converter valve, ensure the safe operation of marine converter station equipment and personnel's safety.
Drawings
Fig. 1 is a schematic system structure diagram of emergency data communication systems suitable for use from an offshore converter station to a land converter station.
Detailed Description
Embodiments of the present invention are described in further detail with reference to the drawings.
As shown in fig. 1, emergency data communication systems suitable for a marine converter station to a land converter station adopt a satellite communication system (VSAT), which includes a central station disposed in the land converter station and a remote station disposed in the marine converter station, wherein the central station and the remote station establish a bidirectional high-speed satellite link through a Ku band transponder of a geostationary orbit satellite, and a communication system adopts a single-channel single carrier (SCPC) to realize data, voice and video integrated service communication.
The central station is arranged on the roof of a control building of a land converter station, and comprises a satellite antenna , radio frequency equipment , a modem 0, a network switch , a network management system and service systems , wherein each service system comprises a monitoring system , a video system , a fire alarm and fire protection system , a voice gateway and a telephone , and the central station is responsible for monitoring and management of the whole network, issues a control instruction to a remote station through a special signaling channel, allocates frequency resources, establishes a service channel and controls network operation in a centralized manner.
The remote station is installed on the top of a steel structure platform of the marine convertor station and comprises a second satellite antenna, a second radio frequency device, a second modem, a second network switch and second business systems, wherein the second business systems comprise a second monitoring system, a second video system, a second fire alarm and fire control system, a second voice gateway and a second telephone; and the second satellite antenna of the remote station is suitable for being used in the high-salt fog environment of the offshore converter station.
The satellite antenna is connected with a radio frequency device of a central station, the radio frequency device 0 is connected with a modem 1, the modem 2 is connected with a network switch 3, the network switch is respectively connected with a monitoring system , a video system , a fire alarm and fire protection system and a voice gateway of each service system , the network switch is connected with a network management system, the satellite antenna II is connected with the radio frequency device II of a remote station, the radio frequency device II is connected with the modem II, the modem II is connected with the network switch II, the network switch II is respectively connected with the monitoring system II, the video system II, the fire alarm and fire protection system II and the voice gateway II of each service system II, and the satellite antenna is connected with the satellite antenna II through a Ku waveband satellite to establish a link.
Data, video and voice signals of a monitoring system II, a video system II, a fire alarm and fire fighting system II and a voice gateway II in each service system II of the remote station are transmitted to a modem II through a network switch II, modulated intermediate frequency signals are transmitted to a satellite antenna II after being subjected to signal power amplification and low noise processing through a radio frequency device II, the signals are transmitted through the satellite antenna II and are transferred through a Ku waveband satellite, the satellite antenna of the central station receives the signals, the signals are demodulated into low frequency signals after passing through a radio frequency device and a modem , and the data are transmitted to each service system of the central station respectively according to services through the network switch .
The control signal transmitted from the central station to the remote station is transmitted reversely through the above devices, the data, video and voice signals of the monitoring system , the video system , the fire alarm and fire fighting system and the voice gateway in each service system of the central station are transmitted to the modem through the network switch , the modulated intermediate frequency signal is transmitted to the satellite antenna after signal power amplification and low noise processing are carried out on the intermediate frequency signal through the radio frequency device , the signal is transmitted through the satellite antenna and is transferred through the Ku band satellite, the signal is received by the second satellite antenna of the remote station, the signal is demodulated into a low frequency signal through the second radio frequency device and the second modem, and the data is transmitted to the second service systems of the remote station according to the services through the second network switch.
The network management system of the central station controls a single-channel single-carrier link to be established between the central station and the remote station, and the system manages and distributes satellite bandwidth resources, so that the functions of adding, deleting and parameter changing of the remote station in the satellite system are realized, and the running condition of the satellite network system and the working states of equipment of the central station and the remote station can be detected, recorded and reported.
The method comprises the steps that 1 path of 64Kbps data is provided between a central station and a remote station, data services of a monitoring system, a fire alarm and fire control system and services of a video system are respectively accessed by adopting a 10M/100M Ethernet interface, all IP service system equipment are directly connected with a satellite system Ethernet interface through an Ethernet switch, voice services are accessed in a VoIP mode, and the satellite system provides an E1 digital relay interface through a VoIP gateway.
, the emergency data communication system can be expanded to include a plurality of remote stations that can be located on the rooftops of the marine converter stations, offshore platforms, or offshore booster stations, and can communicate with each other between each remote station and the central station and between each remote station.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the concept of the present invention, and these improvements and decorations should also be considered as the protection scope of the present invention.
Claims (4)
1, an emergency data communication system suitable for use from an offshore converter station to a land converter station, characterized by:
the system comprises a central station arranged on a land converter station and a remote station arranged on an offshore converter station, wherein the central station and the remote station establish a bidirectional high-speed satellite link through a Ku waveband transponder of a geostationary orbit satellite, and a communication system adopts a single-path single carrier.
2. an emergency data communication system for use from an offshore converter station to a land converter station, according to claim 1, wherein:
the central station comprises a satellite antenna , radio frequency equipment , a modem 0, a network switch , a network management system and service systems , wherein each service system comprises a monitoring system , a video system , a fire alarm and fire protection system , a voice gateway and a telephone ;
the remote station comprises a second satellite antenna, a second radio frequency device, a second modem, a second network switch and a second business system, wherein the second business system comprises a second monitoring system, a second video system, a second fire alarm and fire fighting system, a second voice gateway and a second telephone;
data, video and voice signals of a monitoring system II, a video system II, a fire alarm and fire fighting system II and a voice gateway II in each service system II of the remote station are transmitted to a modem II through a network switch II, modulated intermediate frequency signals are transmitted to a satellite antenna II after being subjected to signal power amplification and low noise processing through a radio frequency device II, the signals are transmitted through the satellite antenna II and are transferred through a Ku waveband satellite, the satellite antenna of the central station receives the signals, the signals are demodulated into low frequency signals after passing through a radio frequency device and a modem , and the data are transmitted to each service system of the central station through the network switch according to services;
the control signals transmitted from the central station to the remote station are transmitted in reverse direction by the above-mentioned devices.
3. an emergency data communication system for use from an offshore converter station to a land converter station, according to claim 2, wherein:
the network management system of the central station controls a single-channel single-carrier link to be established between the central station and the remote station, and the system manages and allocates satellite bandwidth resources, so that functions of adding, deleting and parameter changing of the remote station in the satellite system are realized.
4. an emergency data communication system for use from an offshore converter station to a land converter station, according to claim 1, wherein:
the emergency data communication system is provided with a plurality of remote stations in an expansion mode, and the remote stations can be arranged on the roofs of the offshore converter stations, the offshore life platforms or the offshore booster stations; each remote station can communicate with the central station and each remote station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921196932.2U CN210007700U (en) | 2019-07-26 | 2019-07-26 | emergency data communication system suitable for offshore converter station to onshore converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921196932.2U CN210007700U (en) | 2019-07-26 | 2019-07-26 | emergency data communication system suitable for offshore converter station to onshore converter station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210007700U true CN210007700U (en) | 2020-01-31 |
Family
ID=69310967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921196932.2U Active CN210007700U (en) | 2019-07-26 | 2019-07-26 | emergency data communication system suitable for offshore converter station to onshore converter station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210007700U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112422170A (en) * | 2020-11-09 | 2021-02-26 | 大连交通大学 | Near-field automatic detection method for dual-band radio frequency equipment |
| CN114978539A (en) * | 2022-05-17 | 2022-08-30 | 北京微纳星空科技有限公司 | Method and system for controlling offshore wind power generation |
-
2019
- 2019-07-26 CN CN201921196932.2U patent/CN210007700U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112422170A (en) * | 2020-11-09 | 2021-02-26 | 大连交通大学 | Near-field automatic detection method for dual-band radio frequency equipment |
| CN114978539A (en) * | 2022-05-17 | 2022-08-30 | 北京微纳星空科技有限公司 | Method and system for controlling offshore wind power generation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101944945B (en) | Shipborne mobile base station and mobile communication system based on same | |
| CN210007700U (en) | emergency data communication system suitable for offshore converter station to onshore converter station | |
| CN204967818U (en) | On -board basic station communication system | |
| CN201590905U (en) | Mine mobile communication system | |
| Nikitin et al. | On the issue of using digital radio communications of the DMR standard to control the train traffic on Russian railways | |
| CN101854631B (en) | Method for realizing wireless signal coverage and base station system | |
| CN114900226A (en) | Low-earth-orbit constellation satellite communication system and communication method thereof | |
| KR20140010624A (en) | Method and apparatus for maritime wireless communication | |
| CN111901789A (en) | Maritime emergency network communication system | |
| CN111614368B (en) | Maritime multipurpose communication terminal | |
| CN111416651A (en) | Frequency shift relay device for wireless shunting locomotive signal and monitoring system | |
| Zhuang et al. | Research on INMARSAT based on Ka band and applications | |
| CN101778397A (en) | Mobile communication sea area coverage system | |
| CN101394603A (en) | Communication system for offshore region operation platform | |
| CN202153739U (en) | River-way steamship safety real-time monitoring system based on VSTA satellite communication | |
| CN214591717U (en) | A earth's surface microwave communication device for forest fire prevention | |
| CN201369725Y (en) | Wireless communication system for emergency and disaster relief of mine | |
| CN210640734U (en) | Power line monitoring and wireless extension device | |
| CN209897052U (en) | Unmanned aerial vehicle high-altitude mobile multimedia emergency communication system | |
| CN215222351U (en) | Remote real-time back transmission device for video data in offshore wind power construction period | |
| CN220383233U (en) | Communication system of offshore wind farm | |
| CN111049564A (en) | Satellite communication method | |
| CN201590904U (en) | Mobile communication marine site covering system | |
| CN117768905A (en) | Microwave communication method of offshore U-shaped network topological structure | |
| CN214851838U (en) | Multi-band fused wireless broadband communication network structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |