CN202856751U - Time synchronization device of seafloor observation network junction boxes - Google Patents
Time synchronization device of seafloor observation network junction boxes Download PDFInfo
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- CN202856751U CN202856751U CN 201220585509 CN201220585509U CN202856751U CN 202856751 U CN202856751 U CN 202856751U CN 201220585509 CN201220585509 CN 201220585509 CN 201220585509 U CN201220585509 U CN 201220585509U CN 202856751 U CN202856751 U CN 202856751U
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- plugging
- ptp
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- ntp
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Abstract
The utility model discloses a time synchronization device of seafloor observation network junction boxes. The device comprises a main clock and a PTN device of a shore station, M seafloor main junction boxes, M*N secondary junction boxes and M*N*P seafloor observation instruments, wherein M=N=P. An NTP synchronization signal and a PTP synchronization signal which are output by the main clock are converted into optical signals by the shore station PTN device and the optical signals are respectively sent to PTN devices of M main junction boxes. One channel of output of the PTN device is connected with a control unit of each main junction box. Another channel of output is connected with a control unit of each main junction box through a PTP module of each main junction box. The remaining N channels are respectively input into a second-layer switch of each secondary junction box. One channel of output of each second-layer switch is connected with a control unit of each secondary junction box. Another channel of output is connected with a control unit of each secondary junction box through a PTP module of each secondary junction box. The remaining P channels of output ends are respectively connected with the seafloor observation instruments. According to the utility model, the time synchronization of the seafloor observation network junction boxes is realized.
Description
Technical field
The utility model relates to the plug into time synchronism apparatus of box of a kind of submarine observation network, the plug into time synchronism apparatus of box of especially a kind of submarine observation network based on NTP and PTP technology.
Background technology
As the Hot Contents of marine science and technology, the countries such as the U.S., Japan, Canada are all setting up submarine observation network, and China is also accelerating its research speed.Seabed observation network, the seabed original position scientific exploration platform of the large-scale long-term stability that is formed by bank base station and node under water at different levels.The box of plugging into is the node under water of seabed observation network.The box of plugging into provides unified power supply and communication interface for the scientific equipment that connects in the submarine observation network, and links to each other with bank base station and other boxes of plugging into.Therefore the reliability of box of plugging into plays vital effect to the stable operation of seabed observation network.
The submarine observation network box of plugging into realizes that time synchronized is one of key index.The stable operation of box of plugging into is to realize by the control to voltage signal, current signal and the environmental monitoring signal on every side of the box inside of plugging into such as temperature signal, moisture signal, the multi-signals such as detection signal that leak, and the real-time of these signals is very important to the plug into inner case of box of timely control.In addition, how high-precision time signal can also keep its precision after by deep-sea optoelectronic composite cable, the main multistage box long-distance transmissions of plugging into such as box, the inferior box of plugging into of plugging into, so that the undersea terminals scientific equipment is carried out time synchronized, this also has very important meaning to the observation of seabed signal.
Summary of the invention
The purpose of this utility model provides the plug into time synchronism apparatus of box of a kind of submarine observation network, thereby realizes the plug into time synchronized of box of submarine observation network.
For achieving the above object, the plug into time synchronism apparatus of box of submarine observation network of the present utility model, it is a kind of time synchronism apparatus based on NTP and PTP technology, it comprises master clock and the bank base station PTN equipment that is placed on the bank base station, M the master who is placed on the seabed plug into box, M * N time plug into box and M * N * P submarine observation instrument, M=N=P, and be positive integer; The NTP synchronous signal output end of master clock links to each other with the input of bank base station PTN equipment respectively with the PTP synchronous signal output end, bank base station PTN equipment is converted to NTP synchronizing signal and the PTP synchronizing signal of input light signal and is divided into the output of M road, the output of this M road links to each other through deep-sea optoelectronic composite cable and M the master box PTN equipment of plugging into respectively, each main box PTN equipment of plugging into is converted to NTP synchronizing signal and the PTP synchronizing signal that receives the signal of telecommunication and is divided into the output of N+2 road, one road NTP synchronous signal output end links to each other with the input of the main box control unit of plugging into, another road PTP synchronous signal output end links to each other with the input of the main box control unit of plugging into through the main box PTP module of plugging into, all the other N road NTP synchronizing signals link to each other through the layer 2-switched input of cable with N the box of plugging into respectively with the PTP synchronizing signal, each Layer 2 switch is divided into the output of P+2 road with NTP synchronizing signal and the PTP synchronizing signal of input, one road NTP synchronous signal output end links to each other with inferior input of plugging into the box control unit, another road PTP synchronous signal output end links to each other with inferior input of plugging into the box control unit through the inferior box PTP module of plugging into, and all the other P road NTP synchronizing signals link to each other through the input of cable with P submarine observation instrument respectively with the PTP synchronizing signal.
Above-mentioned deep-sea optoelectronic composite cable length is 75km or 150km, when length is 150km, accesses amplifier at bank base station PTN equipment and main plugging between the box PTN equipment, and amplifier and bank base station PTN equipment distance are in 1km.
In the utility model, said submarine observation instrument is the equipment of the real-time online observation of access seabed observation network and data acquisition, such as seismic detector, sampler, thermohaline deep profile instrument, deep sea camera etc.
In the utility model, said bank base station PTN equipment and the main box PTN equipment of plugging into all can adopt the transmitted in packets switch of the 1850 TSS-5C models of CIT Alcatel.
In the utility model, said Layer 2 switch is the web-transporting device of supporting IEEE1588 v2 agreement, such as the EDS616 modular ethernet switches of available MOXA company.
In the utility model, said master plug into box PTP module and the box PTP module of time plugging into all be support IEEE1588 v2 agreement from clock module, such as available Link1588 PTP from the clock card.
In the utility model, plug into box control unit and the box control unit of time plugging into of said master all can adopt the S-700 series of PLC product of Siemens Company, also can adopt the CX5010 series built-in PC product of Beckhoff company.
The operation principle of this device is as follows:
The NTP synchronizing signal of master clock output and PTP synchronizing signal transfer to the plug into PTN equipment of box of seabed M master by the deep-sea optoelectronic composite cable after bank base station PTN device translates is light signal;
The PTN equipment of the main box of plugging in each seabed is converted to NTP synchronizing signal and the PTP synchronizing signal of the light signal that receives the signal of telecommunication and is divided into the output of N+2 road, one road NTP synchronizing signal inputs to the main box control unit of plugging into and carries out NTP synchronizing signal decoding realization Millisecond time synchronized, another road PTP synchronizing signal is carried out the decoding of PTP synchronizing signal via the PTP module of the main box of plugging into and is inputed to the main box control unit realization Microsecond grade time synchronized of plugging into again, and all the other N road NTP synchronizing signals and PTP synchronizing signal export respectively the Layer 2 switch of N the box of plugging into to through cable;
The Layer 2 switch of the inferior box of plugging in each seabed is divided into the output of P+2 road with NTP synchronizing signal and the PTP synchronizing signal of input, one road NTP synchronizing signal inputs to the inferior box control unit of plugging into and carries out NTP synchronizing signal decoding realization Millisecond time synchronized, another road PTP synchronizing signal is carried out the decoding of PTP synchronizing signal via the PTP module of the inferior box of plugging into and is inputed to the inferior box control unit realization Microsecond grade time synchronized of plugging into again, and all the other P road NTP synchronizing signals and PTP synchronizing signal export P submarine observation instrument to through cable respectively.
The plug into time synchronism apparatus of box of submarine observation network of the present utility model, high accuracy NTP synchronizing signal and PTP synchronizing signal are converted to light signal by the signal of telecommunication and transmit by (75km and 150km) deep-sea optoelectronic composite cable in the PTN equipment of bank base station, can realize the long-distance transmissions of synchronizing signal in the deep-sea; Have simultaneously NTP synchronizing signal and PTP synchronizing signal in the transmission network, can strengthen the plug into diversity of box time synchronizing signal of submarine observation network; The primary and secondary box control unit of plugging into can be realized the Microsecond grade time synchronized by PTP module decoding PTP synchronizing signal, can guarantee the plug into high accuracy of box time synchronized of submarine observation network; Web-transporting device in the whole network such as bank base station PTN equipment, the main box PTN equipment of plugging into, the PTP module that the inferior box Layer 2 switch of plugging into, primary and secondary are plugged in the box is all supported the IEEE1588v2 agreement, can guarantee that the high-precise synchronization signal carries out long-distance transmissions at the deep-sea.
Description of drawings
Fig. 1 is the plug into time synchronism apparatus schematic diagram of box of submarine observation network.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
With reference to Fig. 1, the plug into time synchronism apparatus of box of submarine observation network comprises the master clock 1 and the bank base station PTN equipment 2 that are placed on the bank base station, M the master who is placed on the seabed plug into box 4, M * N time plug into box 8 and M * N * P submarine observation instrument 12; M=N=P, M=N=P=8 in the legend; The NTP synchronous signal output end of master clock 1 links to each other with the input of bank base station PTN equipment 2 respectively with the PTP synchronous signal output end, bank base station PTN equipment 2 is converted to NTP synchronizing signal and the PTP synchronizing signal of input light signal and is divided into the output of M road, the output of this M road links to each other through deep-sea optoelectronic composite cable and M the master box PTN equipment 5 of plugging into respectively, each main box PTN equipment 5 of plugging into is converted to NTP synchronizing signal and the PTP synchronizing signal that receives the signal of telecommunication and is divided into the output of N+2 road, one road NTP synchronous signal output end links to each other with the input of the main box control unit 6 of plugging into, another road PTP synchronous signal output end links to each other with the input of the main box control unit 6 of plugging into through the main box PTP module 7 of plugging into, all the other N road NTP synchronizing signals link to each other through the input of cable with the Layer 2 switch 10 of N the box 8 of plugging into respectively with the PTP synchronizing signal, each Layer 2 switch 10 is divided into the output of P+2 road with NTP synchronizing signal and the PTP synchronizing signal of input, one road NTP synchronous signal output end links to each other with inferior input of plugging into box control unit 9, another road PTP synchronous signal output end links to each other with inferior input of plugging into box control unit 9 through the inferior box PTP module 11 of plugging into, and all the other P road NTP synchronizing signals link to each other through the input of cable with P submarine observation instrument 12 respectively with the PTP synchronizing signal.
Claims (6)
1. the submarine observation network time synchronism apparatus of box of plugging into, it is characterized in that comprising the master clock (1) and the bank base station PTN equipment (2) that are placed on the bank base station, M the master who is placed on the seabed plug into box (4), M * N time plug into box (8) and M * N * P submarine observation instrument (12), M=N=P, and be positive integer; The NTP synchronous signal output end of master clock (1) links to each other with the input of bank base station PTN equipment (2) respectively with the PTP synchronous signal output end, bank base station PTN equipment (2) is converted to NTP synchronizing signal and the PTP synchronizing signal of input light signal and is divided into the output of M road, the output of this M road links to each other through deep-sea optoelectronic composite cable and M the master box PTN equipment (5) of plugging into respectively, each main box PTN equipment (5) of plugging into is converted to NTP synchronizing signal and the PTP synchronizing signal that receives the signal of telecommunication and is divided into the output of N+2 road, one road NTP synchronous signal output end links to each other with the input of the main box control unit (6) of plugging into, another road PTP synchronous signal output end links to each other with the input of the main box control unit (6) of plugging into through the main box PTP module (7) of plugging into, all the other N road NTP synchronizing signals link to each other through the input of cable with the Layer 2 switch (10) of N box (8) of plugging into respectively with the PTP synchronizing signal, each Layer 2 switch (10) is divided into the output of P+2 road with NTP synchronizing signal and the PTP synchronizing signal of input, one road NTP synchronous signal output end links to each other with the input of the inferior box control unit (9) of plugging into, another road PTP synchronous signal output end links to each other with the input of the inferior box control unit (9) of plugging into through the inferior box PTP module (11) of plugging into, and all the other P road NTP synchronizing signals link to each other through the input of cable with P submarine observation instrument (12) respectively with the PTP synchronizing signal.
2. the submarine observation network according to claim 1 time synchronism apparatus of box of plugging into, it is characterized in that said deep-sea optoelectronic composite cable length is 75km or 150km, when length is 150km, access amplifier (3) between the box PTN equipment (5) at bank base station PTN equipment (2) and main plugging into, amplifier (3) and bank base station PTN equipment (2) distance are in 1km.
3. the submarine observation network according to claim 1 time synchronism apparatus of box of plugging into is characterized in that, said submarine observation instrument (12) is the equipment of the real-time online observation of access seabed observation network and data acquisition.
4. the submarine observation network according to claim 1 time synchronism apparatus of box of plugging into is characterized in that, said bank base station PTN equipment (2) and the main box PTN equipment (5) of plugging into all are transmitted in packets switches of 1850 TSS-5C models.
5. the submarine observation network according to claim 1 time synchronism apparatus of box of plugging into is characterized in that, said Layer 2 switch (10) is the web-transporting device of supporting IEEE1588 v2 agreement.
6. the submarine observation network according to claim 1 time synchronism apparatus of box of plugging into is characterized in that, said master plug into box PTP module (7) and the box PTP module (11) of time plugging into all be support IEEE1588 v2 agreement from clock module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220585509 CN202856751U (en) | 2012-11-08 | 2012-11-08 | Time synchronization device of seafloor observation network junction boxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220585509 CN202856751U (en) | 2012-11-08 | 2012-11-08 | Time synchronization device of seafloor observation network junction boxes |
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| Publication Number | Publication Date |
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| CN202856751U true CN202856751U (en) | 2013-04-03 |
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| CN 201220585509 Expired - Lifetime CN202856751U (en) | 2012-11-08 | 2012-11-08 | Time synchronization device of seafloor observation network junction boxes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462921A (en) * | 2017-04-05 | 2017-12-12 | 中国科学院地质与地球物理研究所 | A kind of docking system and data extraction method based on combined type sea bottom earthquake-capturing node |
-
2012
- 2012-11-08 CN CN 201220585509 patent/CN202856751U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462921A (en) * | 2017-04-05 | 2017-12-12 | 中国科学院地质与地球物理研究所 | A kind of docking system and data extraction method based on combined type sea bottom earthquake-capturing node |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170111 Address after: Rudong County, Jiangsu province 226407 Nantong Yangkou Port Economic Development Zone of Yangkou Port Business Mansion Patentee after: ZHONGTIAN TECHNOLOGY MARINE SYSTEMS Co.,Ltd. Address before: 310027 Hangzhou, Zhejiang Province, Xihu District, Zhejiang Road, No. 38, No. Patentee before: ZHEJIANG University |
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| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 226407 Nantong, Rudong Foreign Economic Development Zone, Hong Kong, Hong Kong, Hong Kong Commercial Building Patentee after: ZHONGTIAN TECHNOLOGY MARINE SYSTEMS Co.,Ltd. Address before: Rudong County, Jiangsu province 226407 Nantong Yangkou Port Economic Development Zone of Yangkou Port Business Mansion Patentee before: ZHONGTIAN TECHNOLOGY MARINE SYSTEMS Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |