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 PDFInfo
- 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
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- carrier
- cable
- shield layer
- copper shield
- communication
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- 238000004891 communication Methods 0.000 title claims abstract description 98
- 238000009826 distribution Methods 0.000 title claims abstract description 73
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 39
- 239000010949 copper Substances 0.000 title claims abstract description 39
- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims description 16
- 239000013307 optical fiber Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/546—Combination of signalling, telemetering, protection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/56—Circuits for coupling, blocking, or by-passing of signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5429—Applications for powerline communications
- H04B2203/5433—Remote metering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5483—Systems for power line communications using coupling circuits
- H04B2203/5487—Systems 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
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.
Priority Applications (1)
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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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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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CN201811428830.9A Pending 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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