CN205354341U - Optic fibre collector based on adapted lightning communication chip - Google Patents

Optic fibre collector based on adapted lightning communication chip Download PDF

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Publication number
CN205354341U
CN205354341U CN201620110141.3U CN201620110141U CN205354341U CN 205354341 U CN205354341 U CN 205354341U CN 201620110141 U CN201620110141 U CN 201620110141U CN 205354341 U CN205354341 U CN 205354341U
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China
Prior art keywords
optical
module
network unit
main control
control module
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CN201620110141.3U
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Chinese (zh)
Inventor
汪波涛
齐生鹏
高坤静
高冰
李晓龙
李士林
孙辰军
魏明磊
史善哲
华诚
武俊杰
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State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Beijing Smartchip Microelectronics Technology Co Ltd
Hengshui Power Supply Co of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Beijing Smartchip Microelectronics Technology Co Ltd
Hengshui Power Supply Co of State Grid Hebei Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Hebei Electric Power Co Ltd, Beijing Smartchip Microelectronics Technology Co Ltd, Hengshui Power Supply Co of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201620110141.3U priority Critical patent/CN205354341U/en
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Abstract

The utility model discloses an optic fibre collector based on adapted lightning communication chip, include: optical network unit ONU, optical module, host system, clock circuit, memory circuit, power supply, optical network unit ONU with the optical module links to each other, optical network unit ONU the optical module the clock circuit the memory circuit respectively with host system links to each other, host system links to each other with outside smart electric meter, host system still communicates with external control equipment, power supply is optical network unit ONU, optical module, host system, clock circuit, memory circuit power supply. The utility model discloses an optic fibre collector has characteristics such as high speed, high security, high stability to index percent data signal converts the light signal to, adopts optic fibre as the communication medium, has realized the table with optic fibre collector form and has counted the smooth communication transmission of index percent data.

Description

A kind of optical collector based on adapted electro-optic communication chip
Technical field
This utility model relates to power information collection, transmission field, particularly to a kind of optical collector based on adapted electro-optic communication chip.
Background technology
In recent years, in state's net power user power consumption information acquisition system process of construction, the technology adopted has low voltage power line carrier, short-distance radio, public network PSTN/GPRS (PSTN:PublicSwitchedTelephoneNetwork, PSTN), EPON (EthernetPassiveOpticalNetwork, Ethernet passive optical network) etc..Wherein, power line carrier is a kind of low speed, unreliable channel, it is difficult to meets power information and gathers the demand of the aspect such as real-time, reliability;Radio communication (230Mhz) exists the mechanism of technology and is easily disturbed and the difficult problems such as the network coverage, it is difficult to realizes all standing, entirely gather.The public network communication mode operations such as PSTN/GPRS/CDMA, maintenance, control rest in telco provider's hands, it is impossible to meet the network security required by power communication dedicated network and information security.
Along with the extensive use in public network access communications technology of the EPON technology, EPON technology in networking reliability, bandwidth can be distributed, maintenance cost is low, all have superiority in network scalability etc., it is adaptable to reliability is had higher requirements with being electrically accessed application.Power information acquisition system based on EPON is mainly by with ONU (OpticalNetworkUnit, optical network unit) terminal unit of function single-phase meter/three-phase meter/harvester/concentrator is by OLT (opticallineterminal, optical line terminal) and backbone network and acquisition system master station communication, constitute thus completing optical fiber link.
Existing fiber harvester is Ethernet passive optical network unit (EPONONU) equipment, the sub-speed data uplink communication of single-phase/three-phase intelligent electric meter RS485 interface can be provided to connect, but due to the particularity of power information acquisition system self and access the features such as single-phase/three-phase intelligent electric meter quantity is big, cause current optical collector equipment to be difficult to efficiently, safety supports power information capturing service:
1, existing optical collector equipment possesses Q/GDW376.1 protocol conversion (or transparent transmission) ability not yet completely, it is difficult to meet the functional requirement that intelligent electric meter information, expense control information and low-voltage distribution network line information data are uploaded;
2, existing optical collector also needs to improve further design, to strengthen facility information safety, reduces equipment cost and power consumption;
3, existing optical collector equipment not yet possesses network management function, it is impossible to realizes that optical collector carries out online query, configuration, management, remote upgrade etc. and controls and management operation.
And state's net system adopts based in the districts and cities of the optical collector of EPON at present, the acp chip of equipment, main devices and core technology are directly from abroad, and there are the following problems:
(1) require exploitation based on public network commercialization, do not take into full account operation power environmental requirement, it is understood that there may be information security back door hidden danger;
(2) equipment power dissipation is big, cost is high;
(3) in system network management, equipment webmaster can not manage user port, is unfavorable for equipment fault location, is not easy to Operation and Maintenance.
Utility model content
For the technical problem solving optical collector transparent transmission ability in prior art, power consumption is high, the utility model proposes a kind of optical collector based on adapted electro-optic communication chip.
A kind of optical collector based on adapted electro-optic communication chip of the present utility model, including:
Optical network unit ONU, optical module, main control module, clock circuit, storage circuit, power supply, described optical network unit ONU is connected with described optical module;
Described optical network unit ONU, described optical module, described clock circuit, described storage circuit are connected with described main control module respectively;Described main control module is connected with external smart ammeter, and described main control module also communicates with monitoring outlay;
Described power supply is that optical network unit ONU, optical module, main control module, clock circuit, storage circuit are powered.
Preferably, described main control module includes:
4 road RS232/485 interfaces, remote monitoring module, RJ45 interface, local monitor module, described main control module is connected with external smart ammeter by described 4 road RS232/485 interfaces;
Described remote monitoring module and described optical network unit ONU, described optical module are respectively connected with;
Described RJ45 interface is connected with described optical network unit ONU;
Described main control module is communicated by described local monitor module and monitoring outlay.
Preferably, described local monitor module is universal asynchronous receiving-transmitting transmitter UART or Ethernet Ethernet interface.
Preferably, described main control module is connected with outside 1-32 intelligent electric meter by described 1 road RS232/485 interface.
Preferably, described optical network unit ONU is connected with the RJ45 interface of described main control module by transformator.
Preferably, described optical network unit ONU is connected with described optical module by the staticizer serdes of self.
Preferably, one end of optical collector is connected with intelligent electric meter, and the other end passes sequentially through beam splitter, optical link terminal OLT is connected with switch, and described switch is respectively connected with also by backbone network and gateway server, main website server.
Optical collector based on adapted electro-optic communication chip of the present utility model, power consumption for current power information acquisition terminal equipment is big, cost high problem, under the premise ensureing power information acquisition system information security, by adopting the design of chip-scale reducing power consumption, cost declining, it is ensured that the low-power consumption of optical collector complete machine, low cost.In optical collector application networking scene, not only achieve to count table and be uploaded to main website, also achieve optical collector self network management function such as Configuration Online, long-range monitoring.Optical collector of the present utility model has the characteristics such as two-forty, high security, high stability, converts optical signal to index percent data signal, adopts optical fiber as communication media, achieves the optic communication transmission of table index percent data in optical collector form.In order to ensure the information security of optical collector equipment, reduce power consumption, cost etc., have employed and design optical collector whole set equipment based on independent intellectual property right adapted electricity dedicated optical communication chip, energy is efficient, real-time, securely achieve original power information acquisition function, accomplishes that equipment can online management simultaneously.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation based on the optical collector of adapted electro-optic communication chip;
Fig. 2 is this utility model networking operating diagram based on the optical collector of adapted electro-optic communication chip.
Detailed description of the invention
Below in conjunction with accompanying drawing, several detailed description of the invention of the present utility model are described in detail, it is to be understood that protection domain of the present utility model is not by the restriction of detailed description of the invention.
For the technical problem solving optical collector transparent transmission ability in prior art, power consumption is high, the utility model proposes a kind of optical collector based on adapted electro-optic communication chip.
This utility model is according to relevant criterion design optical collector such as State Grid Corporation of China Q/GDW373-380-2009, DL/T698-2009, adopt the adapted electricity dedicated optical communication chip ONU of independent intellectual property right, the special offer sub-speed data uplink communication of single-phase/three-phase intelligent electric meter RS485 interface connects, support that DL/T645200797 agreement is to Q/GDW376.1 protocol conversion (or transparent transmission), intelligent electric meter information, expense control information, intelligent electric meter information and low-voltage distribution network line information data can be transmitted.Can the amendment configuration of Local or Remote webmaster, network management interface also provides for traffic statistics, connection speed and other details, time support remote upgrade, the remotely operation such as remotely located.
This utility model adopts autonomous adapted electricity dedicated optical communication chip to be designed, have employed low power dissipation design, reduce equipment Overall Power Consumption, adopt chip PAD (PacketAssemblerAndDisassembler, there is provided terminal to the chaining service of main frame) the technology increase chip Electro Magnetic Compatibility such as reinforcing, effectively reduce equipment complete machine cost, adapt to power communication environmental requirement, it is achieved that the information security of power information acquisition system.
As it is shown in figure 1, the optical collector based on adapted electro-optic communication chip of the present utility model, including: optical network unit 1, optical module 2, main control module 3, clock circuit 4, storage circuit 5, power supply 6, described optical network unit 1 is connected with described optical module 2;Described optical network unit 1, described optical module 2, described clock circuit 4, described storage circuit 5 are connected with described main control module 3 respectively;Described main control module 3 also communicates with monitoring outlay;Described power supply 6 is optical network unit 1, optical module 2, main control module 3, clock circuit 4, storage circuit 5 are powered.
Optical network unit 1, optical network unit 1 adopts adapted electricity dedicated optical communication chip ONU, ONU (OpticalNetworkUnit) optical network unit with independent intellectual property right, and ONU is divided into active optical network unit and passive optical network unit.Its function is select to receive the OLT broadcast data sent;Respond the OLT range finding sent and power control command;And make corresponding adjustment;The Ethernet data of user is carried out buffer memory, and to up direction transmission etc. in the transmission window of OLT distribution.
Optical network unit 1 of the present utility model is based on adapted electricity private communication ONU chip and the peripheral circuit composition thereof of Beijing Zhi Xin microelectronics Science and Technology Ltd. independent research, up it is connected with optical module 2 by self staticizer Serdes interface, descending going out a road network message number by transformator and be connected with the RJ45 interface 33 of main control module 3, optical network unit 1 and external OLT device form complete optical fiber link.Optical network unit 1 supports the RJ45 interface of 10/100Mbps speed, is integrated with the self adaptation PHY and MAC of 10/100Mbps in ONU master chip, for the passage that reserved and outside backbone network communicates.In this utility model, the ammeter data optical signal received is sent to external server by acting as of optical network unit 1.
Optical module 2, it is provided that the optical signal interchange channel of main control module 3 and optical network unit 1.Optical module (opticalmodule) is made up of opto-electronic device, functional circuit and optical interface etc., and opto-electronic device includes launching and receiving two parts.The effect of optical module 2 is exactly opto-electronic conversion, and transmitting terminal converts electrical signals into optical signal, and after being transmitted by optical fiber, receiving terminal converts the signal of telecommunication to optical signal again.In this utility model, the ammeter data received from main control module 3 is converted to optical signal and is sent to optical network unit 1 by the acting as of optical module 2.
Main control module 3, acting as of main control module 3 obtains the data of external smart ammeter and the running status of optical network unit 1, optical collector is carried out monitor in real time.Described main control module 3 includes: 4 road RS232/485 interfaces 31, remote monitoring module 32, RJ45 interface 33, local monitor module 34, described main control module 3 is connected with external smart ammeter by described 4 road RS232/485 interfaces 31, this utility model can provide 4 road RS232/485 interfaces, definition provides Transistor-Transistor Logic level, level conversion is carried out, to realize the conversion between RS232 interface and RS485 interface by external RS232/485 electrical level transferring chip.Every 1 road RS232/485 interface 31 can be connected with outside 32 intelligent electric meters at most.
Described remote monitoring module 32 is respectively connected with described optical network unit 1, described optical module 2, for monitoring the running status of optical network unit 1, optical module 2.
RJ45 interface 33 is connected with described optical network unit 1;Described main control module 3 is communicated with monitoring outlay by described local monitor module 34, and the running state data of optical collector is sent to monitoring outlay.Local monitor module 34 is universal asynchronous receiving-transmitting transmitter UART or Ethernet Ethernet interface.
Clock circuit 4, for providing external reference clock for optical network unit 1.Clock circuit produces as clock oscillating circuit accurately exactly.Any work is all in chronological order.It is exactly clock circuit for producing the circuit of this time.Clock circuit is generally made up of crystal oscillator, brilliant shake control chip and electric capacity.Clock circuit 4 can adopt any one clock circuit in prior art.
Storage circuit 5, for storing optical network unit 1 and the configuration information of whole optical collector startup, and preserves optical collector status data etc. in operation process.Storage circuit, namely memorizer (Memory) is for protecting stored memory device in modern information technologies, in digital display circuit, as long as what can preserve binary data can be memorizer;In integrated circuits, a circuit with storage function not having physical form is also memorizer, such as RAM, FIFO etc..Storage circuit 5 can adopt any one storage circuit in prior art.
Power supply 6, for providing working power for optical collector.
As in figure 2 it is shown, be the networking operating diagram of the optical collector based on adapted electro-optic communication chip of the present utility model.One end of described optical collector is connected with intelligent electric meter, and the other end passes sequentially through beam splitter, optical link terminal OLT is connected with switch, and described switch is respectively connected with also by backbone network and gateway server, main website server.
Optical collector completes the DL/T645 agreement of intelligent electric meter to the mutual conversion between 376.1 agreements, and the data of optical collector are pass-through to main website by OLT, direct and master station communication.This mode of operation has erected main website server with optical collector based on the IP packet passage transmitting 376.1 messages, now main website server provides the Q/GDW376.1 data-interface of standard, OLT is the terminal of main website and terminal communication, and optical collector can 128 ammeters of full configuration.Meanwhile, by the running status real-time update of optical collector in NM server, it is achieved manageable purpose.
Optical collector of the present utility model, could support up 128 intelligent electric meters;Support that DL/T645-2007, DL/T645-1997 agreement is to the conversion (transparent transmission) of Q/GDW376.1 agreement;Support maximum 20KM transmission range;Support online remote upgrade;Low-power consumption, low cost, it is possible to adapt to electric power strong electromagnetic, severe temperature environment;Volume is little, lightweight, it is simple to the upgrading etc. of construction, old network in mesh box.
Optical collector based on adapted electro-optic communication chip of the present utility model, power consumption for current power information acquisition terminal equipment is big, cost high problem, under the premise ensureing power information acquisition system information security, by adopting the design of chip-scale reducing power consumption, cost declining, it is ensured that the low-power consumption of optical collector complete machine, low cost.In optical collector application networking scene, not only achieve to count table and be uploaded to main website, also achieve optical collector self network management function such as Configuration Online, long-range monitoring.Optical collector of the present utility model has the characteristics such as two-forty, high security, high stability, converts optical signal to index percent data signal, adopts optical fiber as communication media, achieves the optic communication transmission of table index percent data in optical collector form.In order to ensure the information security of optical collector equipment, reduce power consumption, cost etc., have employed and design optical collector whole set equipment based on independent intellectual property right adapted electricity dedicated optical communication chip, energy is efficient, real-time, securely achieve original power information acquisition function, accomplishes that equipment can online management simultaneously.
Disclosed above it is only several specific embodiment of the present utility model, but, this utility model is not limited to this, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.

Claims (7)

1. the optical collector based on adapted electro-optic communication chip, it is characterised in that including:
Optical network unit ONU, optical module, main control module, clock circuit, storage circuit, power supply, described optical network unit ONU is connected with described optical module;
Described optical network unit ONU, described optical module, described clock circuit, described storage circuit are connected with described main control module respectively;Described main control module is connected with external smart ammeter, and described main control module also communicates with monitoring outlay;
Described power supply is that optical network unit ONU, optical module, main control module, clock circuit, storage circuit are powered.
2. the optical collector based on adapted electro-optic communication chip according to claim 1, it is characterised in that described main control module includes:
4 road RS232/485 interfaces, remote monitoring module, RJ45 interface, local monitor module, described main control module is connected with external smart ammeter by described 4 road RS232/485 interfaces;
Described remote monitoring module and described optical network unit ONU, described optical module are respectively connected with;
Described RJ45 interface is connected with described optical network unit ONU;
Described main control module is communicated by described local monitor module and monitoring outlay.
3. the optical collector based on adapted electro-optic communication chip according to claim 2, it is characterised in that described local monitor module is universal asynchronous receiving-transmitting transmitter UART or Ethernet Ethernet interface.
4. the optical collector based on adapted electro-optic communication chip according to claim 2, it is characterised in that described main control module is connected with outside 1-32 intelligent electric meter by described 1 road RS232/485 interface.
5. the optical collector based on adapted electro-optic communication chip according to claim 2, it is characterised in that described optical network unit ONU is connected with the RJ45 interface of described main control module by transformator.
6. the optical collector based on adapted electro-optic communication chip according to claim 1, it is characterised in that described optical network unit ONU is connected with described optical module by the staticizer serdes of self.
7. the optical collector based on adapted electro-optic communication chip according to claim 1-6 any one, it is characterized in that, one end of optical collector is connected with intelligent electric meter, the other end passes sequentially through beam splitter, optical link terminal OLT is connected with switch, and described switch is respectively connected with also by backbone network and gateway server, main website server.
CN201620110141.3U 2016-02-03 2016-02-03 Optic fibre collector based on adapted lightning communication chip Active CN205354341U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107240244A (en) * 2017-07-11 2017-10-10 北京智芯微电子科技有限公司 A kind of passive data acquisition terminal, optical controller and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107240244A (en) * 2017-07-11 2017-10-10 北京智芯微电子科技有限公司 A kind of passive data acquisition terminal, optical controller and system

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