CN103138829A - Optical node used for electric power remote meter reading - Google Patents
Optical node used for electric power remote meter reading Download PDFInfo
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- CN103138829A CN103138829A CN2012105827191A CN201210582719A CN103138829A CN 103138829 A CN103138829 A CN 103138829A CN 2012105827191 A CN2012105827191 A CN 2012105827191A CN 201210582719 A CN201210582719 A CN 201210582719A CN 103138829 A CN103138829 A CN 103138829A
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Abstract
The invention discloses an optical node used for electric power remote meter reading. The optical node used for electric power remote meter reading passes a data bus port and is connected with an information collector of an external electric meter through a data bus, and passes a communication channel providing electric data information collection. The optical node comprises a universal asynchronous receiving/transmitting device and a flash memory, and further comprises a main function module and optical modules respectively connected with the main function module and controlled by the main function module and a passive optical network port. The passive optical network port is connected with an external optical line terminal through optical fiber. The optical node used for electric power remote meter reading has the advantages of being capable of ensuring instantaneity and reliability of the system and greatly reducing energy consumption, and being capable of achieving two-way communication of information between clients.
Description
Technical field
The present invention relates to a kind of distribution controller switching equipment of intelligent grid, particularly a kind of optical node of using for electric power remote meter reading.
Background technology
Electric-power metering is the important routine work that electric power is managed with checking meter, by the reading out data of manually visiting, and the one, acquisition speed is slow, and the 2nd, the time that continues system is long, and the 3rd, there is leak in management.Power department has taked wireless communication technology and ZAP to carry out the remote meter reading mode in early days thus, has obtained certain effect, has reduced cost of labor, has improved efficient; But, hindered this class technology and further used the use of wireless technology or the restriction of restricted and utilized bandwidth due to electric power.
And compare with traditional meter reading method, adopt ethernet passive optical network (Ethernet Passive Optical Network, EPON) technology to carry out the user power utilization information gathering, can greatly improve reliability and the real-time of system, reduce integrated cost; And same platform construction can be synchronizeed with power distribution automation in this system, further reducings the construction costs.Than traditional power information acquisition system, EPON has safer, controlled advantage, simultaneously, the characteristics such as that the EPON optical fiber communication has is low in energy consumption, speed is high, safe and reliable, strong security, access bandwidth up to tens G can be provided, create condition for power grid enterprises will carry out more abundant broadband services future.
but adopt because the EPON system is multiplex in the communications field, electric power system is not optimized design, so for the information gathering of electric power system user power utilization, use EPON (Passive Optical Network, PON) technology has following drawback: 1, optical node (Optical Network Unit, ONU) One's name is legion, power consumption is excessive, due to distribution and ammeter enormous amount, and the electric energy loss that produces of supporting ONU can only count line loss with it, checked by electric power system oneself, so growth along with ONU quantity, the size of its power consumption becomes one of focus of electric power system concern, 2, who checks for the power consumption of ONU, particularly uses at private network, calculates with separate unit ONU power consumption 10W, and year power consumption of 100,000 line ONU is 8,000,000 degree nearly, and there is the ONU of ten million line nearly in the whole nation at present, and annual energy consumption is huge, the problem that ONU power consumption is large is particularly outstanding in the PON network of distribution automation transformation and user power utilization information gathering, 3, owing to doing to such an extent that the required ONU equipment of electric power monitoring generally is installed in box type transformation device, ammeter box etc. and locates in intelligent grid, installing space is limited, therefore the ONU of customization need to be arranged, to realize the two-way communication of power equipment communication, operation maintenance and power scheduling, but be not specifically designed to the customization ONU that electric power EPON checks meter and uses at present, and traditional ONU function is complicated, volume is large, can not be applicable in intelligent grid.
Summary of the invention
The purpose of this invention is to provide a kind of optical node of using for electric power remote meter reading, can guarantee real-time and the reliability of system, and greatly reduce energy consumption; Can also and the client between realize the two-way exchange of information.
In order to realize above purpose, the present invention is achieved by the following technical solutions:
A kind of optical node of using for electric power remote meter reading, it is connected with the information acquisition device of outside ammeter by data/address bus by data bus interface, by the communication port of electric power data information gathering is provided; Described optical node comprises: Universal Asynchronous Receiver ﹠ dispensing device, flash memory also comprise: main functional modules, and the optical module and the EPON interface that are connected with main functional modules respectively and controlled by main functional modules; Described EPON interface is connected with the optical line terminal of outside by optical fiber.
Described optical node independently is arranged on the outside of the information acquisition device of ammeter.
Described optical node also comprises: power module, described power module provide electric energy for described optical node.
Described power module is battery.
Described optical node is built in the information acquisition device of power electric meter or ammeter.
Also comprise: hot-swappable interface, the power end in the information acquisition device of described hot-swappable interface and ammeter or ammeter is connected, and the electric energy that gathers in the electrical network of its access provides electric energy to described optical node.
Described main functional modules is single chip architecture, and it adopts condensed instruction, also adopts system's idle sleep design, and idle condition enters sleep pattern according to checking meter.
Described optical module comprises: laser transceiver and light transceiver module, described laser transceiver are lowest power consumption burst mode laser transceiver.
Described EPON interface is the crystal head interface.
Described optical node comprises respectively two data bus interface and EPON interface.
The present invention compared with prior art has the following advantages:
1, special-purpose ONU provides double-PON port, RS485 interface, can realize that one main one is standby, guarantees the real-time of system;
2, be fit to the environment for use of electric power system harshness, improved reliability;
3, adopt low power dissipation design, greatly reduce the power consumption of single device, reduce at least 50% even manyly than existing equipment, therefore greatly reduce the whole energy consumption of intelligent grid kilowatt meter reading-out system, realized the primary demand of green electrical network;
4, adopt ONU and supporting home gateway, can realize intelligent grid desired with the customer information two-way exchange, promote the satisfaction that power supply is served.
Description of drawings
Fig. 1 is the fundamental diagram of a kind of optical node of using for electric power remote meter reading of the present invention.
Embodiment
Below in conjunction with accompanying drawing, by describing a better specific embodiment in detail, the present invention is further elaborated.
As shown in Figure 1, a kind of ONU that uses for electric power remote meter reading, it is connected with the information acquisition device of outside ammeter by data/address bus by data bus interface, by the communication port of electric power data information gathering is provided; Described ONU comprises: Universal Asynchronous Receiver ﹠ dispensing device, flash memory also comprise: main functional modules, and the optical module and the EPON interface that are connected with main functional modules respectively and controlled by main functional modules; The EPON interface is connected with outside optical line terminal (optical line terminal, OLT) by optical fiber.Wherein, main functional modules is single chip architecture, and it adopts condensed instruction at utmost to reduce power consumption, also adopts system's idle sleep design, enters sleep pattern to reduce power consumption according to the idle condition of checking meter; And optical module comprises: laser transceiver and light transceiver module, described laser transceiver is lowest power consumption burst mode laser transceiver, the light transceiver module is selected the light transceiver module of height (light/electricity, electricity/light) conversion efficiency, greatly reduces power consumption.In the described embodiment of this specification, EPON (PON) interface adopts the crystal head interface.
In the present invention, ONU comprises respectively two data bus interface and EPON interface, passes through Redundancy Design, realized " one main one is standby ", greatly improved real-time and the reliability of kilowatt meter reading-out system, in the described embodiment of this specification, data bus interface adopts the RS485 interface.
In the present invention, ONU adopts two kinds of different frame modes, and therefore, also just there are following two kinds of embodiment in its mounting means.
One of embodiment:
ONU independently is arranged on the outside of the information acquisition device of ammeter.Therefore, be provided with in ONU: power module, it provides electric energy for described ONU, and in the present embodiment, power module is selected battery.
Two of embodiment:
ONU is built in the information acquisition device of power electric meter or ammeter.Therefore, hot-swappable interface is set in ONU, it is connected with power end in the information acquisition device of ammeter or ammeter, and the electric energy that gathers in the electrical network of its access provides electric energy to ONU.By this modular setting, realized the miniaturization of ONU, be built in due to it in equipment such as ammeter, therefore, greatly saved installing space, be convenient to installation and maintenance.
When using, ONU is responsible for OLT and optical-fiber network that the reading information exchange of the information acquisition device collection of ammeter is excessively outside and uploads to the main station system key-course.
In the present invention, by adopting ONU and supporting home gateway, can realize intelligent grid desired with the customer information two-way exchange, promote the satisfaction that power supply is served.
In sum, a kind of optical node of using for electric power remote meter reading of the present invention, can guarantee real-time and the reliability of system, and greatly reduce energy consumption, outside satisfying the demand of electricity meter-reading, its power consumption is less than 4W, can greatly reduce ONU operating cost, as adopting the two described modularization ONU of embodiment, its power consumption even can less than 1.5W, greatly reduce power consumption; Can also and the client between realize the two-way exchange of information.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. one kind is used for the optical node that electric power remote meter reading is used, and it is connected with the information acquisition device of outside ammeter by data/address bus by data bus interface, by the communication port of electric power data information gathering is provided; Described optical node comprises: Universal Asynchronous Receiver ﹠ dispensing device, flash memory, it is characterized in that, and also comprise: main functional modules, and the optical module and the EPON interface that are connected with main functional modules respectively and controlled by main functional modules; Described EPON interface is connected with the optical line terminal of outside by optical fiber.
2. the optical node of using for electric power remote meter reading as claimed in claim 1, is characterized in that, described optical node independently is arranged on the outside of the information acquisition device of ammeter.
3. the optical node of using for electric power remote meter reading as claimed in claim 2, is characterized in that, described optical node also comprises: power module, described power module provide electric energy for described optical node.
4. the optical node of using for electric power remote meter reading as claimed in claim 3, is characterized in that, described power module is battery.
5. the optical node of using for electric power remote meter reading as claimed in claim 1, is characterized in that, described optical node is built in the information acquisition device of power electric meter or ammeter.
6. the optical node of using for electric power remote meter reading as claimed in claim 1, it is characterized in that, also comprise: hot-swappable interface, power end in the information acquisition device of described hot-swappable interface and ammeter or ammeter is connected, and the electric energy that gathers in the electrical network of its access provides electric energy to described optical node.
7. the optical node of using for electric power remote meter reading as claimed in claim 1, is characterized in that, described main functional modules is single chip architecture, and it adopts condensed instruction, also adopts system's idle sleep design, and idle condition enters sleep pattern according to checking meter.
8. the optical node of using for electric power remote meter reading as claimed in claim 1, is characterized in that, described optical module comprises: laser transceiver and light transceiver module, described laser transceiver are lowest power consumption burst mode laser transceiver.
9. the optical node of using for electric power remote meter reading as claimed in claim 1, is characterized in that, described EPON interface is the crystal head interface.
10. the optical node of using for electric power remote meter reading as claimed in claim 9, is characterized in that, described optical node comprises respectively two data bus interface and EPON interface.
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| CN2012105827191A CN103138829A (en) | 2012-12-28 | 2012-12-28 | Optical node used for electric power remote meter reading |
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| CN2012105827191A CN103138829A (en) | 2012-12-28 | 2012-12-28 | Optical node used for electric power remote meter reading |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103559788A (en) * | 2013-11-13 | 2014-02-05 | 北京国电通网络技术有限公司 | Electricity consumption information acquisition terminal |
| CN106355868A (en) * | 2016-08-25 | 2017-01-25 | 成都汉度科技有限公司 | Plastic optical fiber collection system |
| CN107360482A (en) * | 2017-08-18 | 2017-11-17 | 讯翱（上海）科技有限公司 | A kind of optical fiber electric sensor device based on PON technologies |
| CN109448357A (en) * | 2018-12-29 | 2019-03-08 | 刘向宁 | Teledata collection copies fiber optic communications devices, collector and single line communication network system |
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| CN109448357A (en) * | 2018-12-29 | 2019-03-08 | 刘向宁 | Teledata collection copies fiber optic communications devices, collector and single line communication network system |
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Application publication date: 20130605 |