CN109379109A - Power distribution automation communication device based on cable of copper shield layer carrier technology - Google Patents

Power distribution automation communication device based on cable of copper shield layer carrier technology Download PDF

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Publication number
CN109379109A
CN109379109A CN201811428830.9A CN201811428830A CN109379109A CN 109379109 A CN109379109 A CN 109379109A CN 201811428830 A CN201811428830 A CN 201811428830A CN 109379109 A CN109379109 A CN 109379109A
Authority
CN
China
Prior art keywords
carrier
cable
shield layer
copper shield
communication
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.)
Pending
Application number
CN201811428830.9A
Other languages
Chinese (zh)
Inventor
林浩然
魏亚军
徐燕楠
刘宗杰
褚福亮
陈超
王丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Jining Power Supply Co of State Grid Shandong Electric Power Co Ltd
Information and Telecommunication Branch of State Grid Tianjin Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Jining Power Supply Co of State Grid Shandong Electric Power Co Ltd
Information and Telecommunication Branch of State Grid Tianjin Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Jining Power Supply Co of State Grid Shandong Electric Power Co Ltd, Information and Telecommunication Branch of State Grid Tianjin Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201811428830.9A priority Critical patent/CN109379109A/en
Publication of CN109379109A publication Critical patent/CN109379109A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • H04B3/546Combination of signalling, telemetering, protection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • H04B3/56Circuits for coupling, blocking, or by-passing of signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2203/00Indexing scheme relating to line transmission systems
    • H04B2203/54Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429Applications for powerline communications
    • H04B2203/5433Remote metering
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2203/00Indexing scheme relating to line transmission systems
    • H04B2203/54Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462Systems for power line communications
    • H04B2203/5483Systems for power line communications using coupling circuits
    • H04B2203/5487Systems for power line communications using coupling circuits cables

Abstract

The invention discloses a kind of power distribution automation communication devices based on cable of copper shield layer carrier technology, including principal communication unit, cable of copper shield layer and at least one from communication unit, the principal communication unit is connected to by cable of copper shield layer with from communication unit, principal communication unit includes at least the main carrier machine and first carrier coupler to intercouple, it is described that the slave carrier terminal equipment and the second carrier wave coupler to intercouple is included at least from communication unit, the main carrier machine is mounted on distribution automation communication host node, uplink accesses distribution automation main website by fiber optic network, downlink is connected with the first carrier coupler, realization is communicated with from carrier terminal equipment;It is described to be mounted on communication from node from carrier terminal equipment, it is connected by cable with distribution power automation terminal equipment, cable of copper shield layer is connected to by the second carrier wave coupler, realizes the communication with main carrier machine.

Description

Power distribution automation communication device based on cable of copper shield layer carrier technology
Technical field
The present invention relates to a kind of power distribution automation communication devices based on cable of copper shield layer carrier technology.
Background technique
Requirement with the people to power supply reliability and power quality is higher and higher, and power distribution network imbalance in China's is not filled at present The development divided has been unable to meet the growing good life needs of the people, and to solve this contradiction, State Grid Corporation of China just adds Fast construction intelligent distribution network.And the construction of intelligent distribution network is inseparable with distribution automation system, distribution automation system Including communication system, main station system, telecontrol system, power supply, wherein the construction of communication channel network is most important in communication system, Can controller switching equipment realize that automation is heavily dependent on building for communication channel at present.China's electrical power distribution automatization system is adopted Communication mode is mainly fiber optic communication and GPRS wireless communication.
For GPRS wireless communication, it is contemplated that the safety of information, many companies are forbidden to use GPRS wireless communication Switching devices are remotely controlled, this results in taking remote measurement using GPRS, remote signalling, remote control distribution power automation terminal lose it is distant Telecommunication function needs the divide-shut brake of switching devices to carry out artificial execute-in-place, and then causes the O&M to equipment extremely inconvenient, greatly Big waste human and material resources, and threaten personal safety.For fiber optic communication, the deficiency of GPRS wireless communication, but light can be solved The investment of fine all standing is extremely huge, and especially the remote areas such as branch line are difficult to realize optical fiber covering, and due to urban planning Limitation, partial region can not carry out the engineering of ground excavation, laying optical cable.In order to solve the above problem, it designs a set of reliable and stable Ground power distribution automation communication device is particularly significant.
Summary of the invention
The present invention to solve the above-mentioned problems, proposes a kind of power distribution automation based on cable of copper shield layer carrier technology Communication device, the present invention can supplement fiber optic communication, and solution never has the distribution power automation terminal of fiber optic communication condition Communication issue.Without laying the communications cable, Coupling device and communication equipment are only needed, plant maintenance workload is few, and route is without special People's maintenance has the characteristics that few construction and use cost, high reliablity, traffic rate height, long transmission distance.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of power distribution automation communication device based on cable of copper shield layer carrier technology, including principal communication unit, cable With at least one from communication unit, the principal communication unit is connected to by cable of copper shield layer with from communication unit copper shield, Wherein:
The principal communication unit includes at least the main carrier machine and first carrier coupler to intercouple, described from communication unit Member includes at least the slave carrier terminal equipment and the second carrier wave coupler to intercouple, and the main carrier machine is mounted on distribution automation communication Host node, uplink access distribution automation main website, downlink and the first carrier coupler phase by fiber optic network Even, realization is communicated with from carrier terminal equipment;It is described to be mounted on communication from node from carrier terminal equipment, it is set by cable and distribution power automation terminal It is standby to be connected, cable of copper shield layer is connected to by the second carrier wave coupler, realizes the communication with main carrier machine.
Further, described that the carrier signal of the second carrier wave coupler is converted into data from carrier terminal equipment, it is sent to The data of distribution power automation terminal are converted to carrier signal and pass through the second carrier wave coupler by distribution power automation terminal equipment It is dealt into cable of copper shield layer, realizes the communication with main carrier machine.
Further, the primary side of the first carrier coupler is serially connected in the ground line of one end of cable of copper shield layer In, the secondary side of first carrier coupler is connected by high-frequency signal line with main carrier machine.
Further, the primary side of the second carrier wave coupler is serially connected in the ground line of the other end of cable of copper shield layer In, the secondary side of the second carrier wave coupler is connected by high-frequency signal line with from carrier terminal equipment.
Further, the fiber optic network includes optical network unit, optical fiber and optical line terminal, and optical network unit passes through net Line is connected with main carrier machine, and the optical line terminal is connect with distribution automation main website, realizes main carrier machine and distribution automation The communication of main website.
Further, the principal communication unit further includes the first power module, and first power module is optical fiber circuit It is powered with main carrier machine.
Further, first power module is connected with battery group and AC power source.
Further, the distribution power automation terminal equipment includes multiple DTU units, and each DTU unit is connected from carrier wave The different network interfaces of machine.
Further, it is described from communication unit further include second power supply module, the second power supply module be distribution it is automatic Change terminal device and is powered from carrier terminal equipment.
Further, it is described from communication unit be it is multiple, constitute the communication pattern of one master and multiple slaves, realize that more station power distributions are automatic Change terminal device and passes through a main carrier machine and master station communication.
Compared with prior art, the invention has the benefit that
The present invention can effectively solve the problems, such as that optical fiber can not be laid, and the equipment safety is reliable, construction is convenient, and then can promote The online quantity of distribution power automation terminal is significantly increased;Compared with GPRS communication, the communication device, power distribution automation main station are utilized It can switching devices progress remote signalling, telemetering, remote control.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is distributing automation apparatus specific block diagram of the present invention.
Fig. 2 is wiring schematic diagram of the present invention;
Specific embodiment:
The invention will be further described with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the present invention, term for example "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", " side ", The orientation or positional relationship of the instructions such as "bottom" is to be based on the orientation or positional relationship shown in the drawings, only to facilitate describing this hair Bright each component or component structure relationship and the relative of determination, not refer in particular to either component or element in the present invention, cannot understand For limitation of the present invention.
In the present invention, term such as " affixed ", " connected ", " connection " be shall be understood in a broad sense, and indicate may be a fixed connection, It is also possible to be integrally connected or is detachably connected;It can be directly connected, it can also be indirectly connected through an intermediary.For The related scientific research of this field or technical staff can determine the concrete meaning of above-mentioned term in the present invention as the case may be, It is not considered as limiting the invention.
As shown in Figure 1, a kind of power distribution automation communication device based on cable of copper shield layer carrier technology, including the first load Wave coupler, main carrier machine, the second carrier wave coupler, from carrier terminal equipment, first control power supply, the first energy supply control module, first Battery group, the second control power supply, second source control module, the second battery group, cable of copper shield layer, fiber optic network;Institute The primary side for stating first carrier coupler and the second carrier wave coupler is serially connected in respectively in cable of copper shield layer two-terminal-grounding line, the The secondary side of one carrier wave coupler is connected by high-frequency signal line with main carrier machine, and the secondary side of the second carrier wave coupler passes through height Frequency signal wire is connected with from carrier terminal equipment, realize the transmission of carrier signal, being isolated of power distribution network high-tension line and low voltage communication circuit, The matching of line impedance and filtering out for noise;
Main carrier machine is mounted on distribution automation communication host node, and uplink accesses distribution automation master by fiber optic network It stands, downlink is connected with the first carrier coupler, and realization is communicated with from carrier terminal equipment;It is described to be mounted on communication from section from carrier terminal equipment Point, is connected by cable with distribution power automation terminal equipment, and the carrier signal of the second carrier wave coupler is converted to data, It is sent to distribution power automation terminal equipment, the data from distribution power automation terminal are converted into carrier signal and pass through the second carrier wave Coupler is dealt into cable of copper shield layer, realizes the communication with main carrier machine;
First control power supply and the second control power supply are 220V AC power source, pass through the first energy supply control module and the respectively Alternating current 220V is converted to direct current 48V or 24V by two energy supply control modules, and the first AC power source is main carrier terminal equipment and the first battery Group power supply, the second AC power source are to power from carrier terminal equipment and the second battery group;The first battery group and the second battery Group keeps charged state when control power supply is normal, and when controlling power failure, the first battery group, the second battery group are in Discharge condition respectively main carrier machine and is powered from carrier terminal equipment, and ensureing distribution, communication device being capable of reliable communication when breaking down.
Fiber optic network includes optical network unit (Optical Network Unit, ONU), optical fiber, optical line terminal (Optical Line Terminal, OLT), ONU are connected by cable with main carrier machine, realize that main carrier machine and distribution are automatic Change the communication of main website;The main carrier machine also has the function of supervisor, realizes that a main carrier machine is logical from carrier terminal equipment with more Letter, i.e. " one master and multiple slaves " communication pattern, and then can realize that more station power distribution automatization terminal equipment pass through a main carrier machine and master It stands communication;The slave carrier terminal equipment has multiple network interfaces, it can be achieved that more station power distribution automatization terminal equipment pass through one from carrier wave Machine and master station communication;The main carrier machine and the power supply from carrier terminal equipment are direct current 48V or 24V, are realized master and slave carrier wave is clever Loose joint enters the powersupply system of distribution power automation terminal;The main carrier machine and from carrier terminal equipment have wired AccessPort and Wireless blue tooth debugging function.
Technical solution of the present invention is told about to be clearer, the following are specific embodiments of the present invention.
As shown in Figure 1, a kind of power distribution automation communication device based on cable of copper shield layer carrier technology of the invention by First carrier coupler, the second carrier wave coupler, controls power supply, the first power supply control mould from carrier terminal equipment, first at main carrier machine Block, the first battery group, the second control power supply, second source control module, the second battery group, cable of copper shield layer, optical fiber Network is constituted.Wherein the primary side of first carrier coupler and the second carrier wave coupler is serially connected in cable of copper shield layer both ends respectively In ground line, the secondary side of first carrier coupler is connected by high-frequency signal line with main carrier machine, the second carrier wave coupler Secondary side is connected by RS485 line with from carrier terminal equipment, as shown in Figure 2.
Carrier wave coupler realizes the transmission of carrier signal, being isolated of power distribution network high-tension line and low voltage communication circuit, route The matching of impedance and filtering out for noise;The main carrier machine is mounted on distribution automation communication host node, and uplink passes through optical network Network accesses distribution automation main website, and downlink is connected with the first carrier coupler, and realization is communicated with from carrier terminal equipment;It is described from load Wave machine is mounted on communication from node, is connected by cable with distribution power automation terminal equipment, by the second carrier wave coupler Carrier signal is converted to data, is sent to distribution power automation terminal equipment (DTU1 and DTU2), will come from distribution power automation terminal The data of (DTU1 and DTU2) are converted to carrier signal and are dealt into cable of copper shield layer by the second carrier wave coupler, realize and main load The communication of wave machine;The first control power supply and the second control power supply are 220V AC power source, are controlled respectively by the first power supply Alternating current 220V is converted to direct current 48V or 24V by module and second source control module, and the first AC power source is main carrier terminal equipment and the The power supply of one battery group, the second AC power source are to power from carrier terminal equipment and the second battery group;The first battery group and Two battery groups keep charged state when control power supply is normal, the first battery group, the second electric power storage when controlling power failure Pond group is in discharge condition, respectively main carrier machine and powers from carrier terminal equipment, ensures that communication device can when distribution is broken down Reliable communication.
In the present embodiment, the fiber optic network includes optical network unit (ONU), optical fiber, optical line terminal (OLT), and ONU is logical It crosses cable to be connected with main carrier machine, realizes the communication of main carrier machine and distribution automation main website.
In the present embodiment, the main carrier machine also has the function of supervisor, realizes a main carrier machine with more from load The communication of wave machine, i.e. " one master and multiple slaves " communication pattern, and then can realize that more station power distribution automatization terminal equipment pass through a main carrier Machine and master station communication.
It is described that there are 2 network interfaces, it can be achieved that DTU1 and DTU2 passes through one from carrier terminal equipment from carrier terminal equipment in the present embodiment With master station communication.
In the present embodiment, the main carrier machine and the power supply from carrier terminal equipment are direct current 48V or 24V, are realized master and slave load The powersupply system of wave machine flexible access distribution power automation terminal.
In the present embodiment, the main carrier machine and from carrier terminal equipment there is wired AccessPort and wireless blue tooth to debug function Energy.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (10)

1. a kind of power distribution automation communication device based on cable of copper shield layer carrier technology, it is characterized in that: including principal communication list Member, cable of copper shield layer and at least one from communication unit, the principal communication unit is by cable of copper shield layer and from communication unit Member connection, in which:
The principal communication unit includes at least the main carrier machine and first carrier coupler that intercouple, it is described from communication unit to Few includes the slave carrier terminal equipment and the second carrier wave coupler to intercouple, and the main carrier machine is mounted on distribution automation and communicates main section Point, uplink access distribution automation main website by fiber optic network, and downlink is connected with the first carrier coupler, real Now communicated with from carrier terminal equipment;It is described to be mounted on communication from node from carrier terminal equipment, pass through cable and distribution power automation terminal equipment phase Even, cable of copper shield layer is connected to by the second carrier wave coupler, realizes the communication with main carrier machine.
2. a kind of power distribution automation communication device based on cable of copper shield layer carrier technology as described in claim 1, special Sign is: it is described that the carrier signal of the second carrier wave coupler is converted into data from carrier terminal equipment, it is sent to power distribution automation end The data of distribution power automation terminal are converted to carrier signal and are dealt into cable copper screen by the second carrier wave coupler by end equipment Layer is covered, realizes the communication with main carrier machine.
3. a kind of power distribution automation communication device based on cable of copper shield layer carrier technology as described in claim 1, special Sign is: in the ground line of one end that the primary side of the first carrier coupler is serially connected in cable of copper shield layer, first carrier coupling The secondary side of clutch is connected by high-frequency signal line with main carrier machine.
4. a kind of power distribution automation communication device based on cable of copper shield layer carrier technology as described in claim 1, special Sign is: in the ground line for the other end that the primary side of the second carrier wave coupler is serially connected in cable of copper shield layer, the second carrier wave The secondary side of coupler is connected by high-frequency signal line with from carrier terminal equipment.
5. a kind of power distribution automation communication device based on cable of copper shield layer carrier technology as described in claim 1, special Sign is: the fiber optic network includes optical network unit, optical fiber and optical line terminal, and optical network unit passes through cable and main carrier machine It is connected, the optical line terminal is connect with distribution automation main website, realizes the communication of main carrier machine and distribution automation main website.
6. a kind of power distribution automation communication device based on cable of copper shield layer carrier technology as described in claim 1, special Sign is: the principal communication unit further includes the first power module, first power module be optical fiber circuit and main carrier machine into Row power supply.
7. a kind of power distribution automation communication device based on cable of copper shield layer carrier technology as claimed in claim 6, special Sign is: first power module is connected with battery group and AC power source.
8. a kind of power distribution automation communication device based on cable of copper shield layer carrier technology as described in claim 1, special Sign is: the distribution power automation terminal equipment includes multiple DTU units, different network interfaces of each DTU unit connection from carrier terminal equipment.
9. a kind of power distribution automation communication device based on cable of copper shield layer carrier technology as described in claim 1, special Sign is: it is described from communication unit further include second power supply module, the second power supply module be distribution power automation terminal equipment and It is powered from carrier terminal equipment.
10. a kind of power distribution automation communication device based on cable of copper shield layer carrier technology as described in claim 1, special Sign is: it is described from communication unit be it is multiple, constitute the communication pattern of one master and multiple slaves, realize that more station power distribution automatization terminal equipment are logical Cross a main carrier machine and master station communication.
CN201811428830.9A 2018-11-27 2018-11-27 Power distribution automation communication device based on cable of copper shield layer carrier technology Pending CN109379109A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811428830.9A CN109379109A (en) 2018-11-27 2018-11-27 Power distribution automation communication device based on cable of copper shield layer carrier technology

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Application Number Priority Date Filing Date Title
CN201811428830.9A CN109379109A (en) 2018-11-27 2018-11-27 Power distribution automation communication device based on cable of copper shield layer carrier technology

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Publication Number Publication Date
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