CN1558564B - Power line based data communication system and realizing method thereof - Google Patents
Power line based data communication system and realizing method thereof Download PDFInfo
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Abstract
The invention provides a system for realizing data communication based on subzone power line network which comprises a subzone switch-in network and a subzone power line network that are coupled together, the entry port of the subzone power line network is provided with at least a local side main station device, and each exit end of the subzone power line network is provided with at least a user side secondary station device matchine with the local side master station equipment. The invention also provides a method for realizing data communication in the said system.
Description
Technical field
The present invention relates to power line network and data communication and areas of information technology, more particularly, relate to a kind of system that in low-voltage network, realizes high-speed data communication, and the method that realizes this high-speed data communication.
Background technology
Utilize power line to carry out the voice-and-data transmission history of existing decades, but because powerline systems is not to be exclusively used in data communications system, The Research of Relevant Technology and exploitation are not launched on a large scale, mostly are low speed voice communications versus data communications in the medium and low frequency scope based on the data communication of power line therefore.Along with the development of information technology and the arrival of information age, people to the demand of high-speed data service also in continuous growth.In numerous alternative data access, utilize existing low-voltage network as the carrier transmitting high speed data, have remarkable advantages undoubtedly.
14Mbps system based on U.S. HomePlug1.0 standard utilizes the existing power line of household internal, carry out the computer networking of household internal, thereby realized resources such as visit Internet, printer, shared file, and the high speed data communication functions such as online interaction recreation that carry out many people's networkings.But there are some defectives in this technology.On the one hand, as China, be the concentrated residence area of unit because the U.S. seldom exists with the sub-district, so this technology mainly concentrate on single household internal and realize the data high-speed data communication; On the other hand, even there is the power line high-speed communication system that is used for concentrating the sub-district in the technology of the above-mentioned U.S., also can cause this technology former state to be moved in the so concentrated sub-district of similar China, thereby realize high-speed data communication based on electric wire owing to the difference of aspects such as network environment such as electricity distribution power spider lines and hardware device.
Summary of the invention
The objective of the invention is to fill up the blank that above-mentioned prior art exists, make full use of existing low-voltage distribution power line network infrastructure, need not any wiring, for the user provides data communication services, the Internet access services for example, remote monitoring, etc.
According to a first aspect of the invention, provide a kind of and realize data communications system based on the sub-district power line network, this system comprises:
The sub-district access network, the sub-district power line network,
Described sub-district access network is coupled in described sub-district power line network, and described sub-district access network also is coupled in external network, thereby makes that each corresponding user side communication equipment is realized data communication by sub-district access network and sub-district power line network (3) with external network in the power line network of sub-district.
Above-mentioned realizing in the data communications system based on the sub-district power line network, comprise the local side main website equipment that at least one is provided with at described sub-district power line network arrival end, and at least one user side that is complementary with described local side main website equipment of each port of export setting of described sub-district power line network from station equipment, wherein, described local side main website equipment is coupled in external network by described sub-district access network, so that from the cooperating of station equipment and described local side main website equipment, the user side data communications equipment that is connected from station equipment with each user side is carried out data communication via described sub-district power line network and described sub-district access network and external network by corresponding user side.
According to a second aspect of the invention, provide a kind of and be used in the method that realizes data communication based on the system of sub-district power line network, this system comprises sub-district access network and sub-district power line network, and the method comprising the steps of:
Described sub-district access network and sub-district power line network are coupled;
Described sub-district access network and external network are coupled;
Thereby, make that corresponding each user side communication equipment is by sub-district access network and sub-district power line network and external network realization data communication in the power line network of sub-district.
In the above-mentioned method that realizes data communication in based on the system of sub-district power line network, the step that described sub-district access network and sub-district power line network are coupled comprises substep:
At described sub-district power line network arrival end at least one local side main website equipment is set, and at least one user side that is complementary at each port of export setting of described sub-district power line network and described local side main website equipment is from station equipment;
Described local side main website equipment is coupled in by described sub-district access network with external network;
Thereby, from the cooperating of station equipment and described local side main website equipment, the data user's end data communication equipment that is connected from station equipment with each described user side carries out data communication via described sub-district power line network and described sub-district access network and external network by corresponding user side.
Description of drawings
By in conjunction with each accompanying drawing the present invention being carried out further detailed explanation, purpose of the present invention, characteristics and benefit thereof will become clearer.In the accompanying drawings:
Fig. 1 is the structural arrangements schematic diagram of low-voltage power line high-speed data communication system according to an embodiment of the invention;
Fig. 2 is an employed local side main website equipment principle block diagram in the low-voltage power line high-speed data communication system according to this embodiment of the invention;
Fig. 3 is an employed user side slave station equipment principle block diagram in the low-voltage power line high-speed data communication system according to this embodiment of the invention;
Fig. 4 is the scheme of installation that directly couples according to local side main website equipment and power line network in the low-voltage power line high-speed data communication system of this embodiment of the invention;
Fig. 5 is in the low-voltage power line high-speed data communication system according to this embodiment of the invention, the high-frequency signal line is coupled to the schematic diagram on a user's the ammeter;
Fig. 6 is in the low-voltage power line high-speed data communication system according to this embodiment of the invention, and the high-frequency signal line is with the schematic diagram of the ammeter polyphone of a plurality of users in the same ammeter box;
Fig. 7 is in the low-voltage power line high-speed data communication system according to this embodiment of the invention, and the high-frequency signal line is with the schematic diagram of the ammeter polyphone of a plurality of users in the different floor ammeter boxes;
Fig. 8 is the schematic diagram of realizing according to the high-rise high building networking of low-voltage power line high-speed data communication system of the present invention;
Fig. 9 is the schematic diagram of realizing according to the multiple unit low layer slab-type apartment building networking of low-voltage power line high-speed data communication system of the present invention;
Figure 10 is the schematic diagram of realizing according to the high-rise slab-type apartment building networking of multiple unit of low-voltage power line high-speed data communication system of the present invention;
Figure 11 is the schematic diagram of realizing according to the commercial office building networking of low-voltage power line high-speed data communication system of the present invention;
Figure 12 realizes according to the hotel of low-voltage power line high-speed data communication system of the present invention, the schematic diagram of hotel's networking.
Embodiment
Below in conjunction with each accompanying drawing, the specific embodiment of the present invention is described.
Referring to Fig. 1, the figure shows the schematic diagram of the low-voltage power line high-speed data communication system of one embodiment of the invention.As shown in the figure, this system comprises: existing sub-district low-voltage power spider lines in the corresponding residence area of being made up of power line 3; Sub-district access network by ethernet line 2 representatives; External network, for example Internet 4; The local side main website equipment 5 (PLC-HE, that is: power line carrier communication equipment-local side main website equipment) that couples by ethernet line 2 and described Internet 4; Power line 3 respectively with residence area in user side among each user (only illustrating 2 among the figure) 8 couple from station equipment (PLC-CPE, that is: power line carrier communication equipment-user side is from station equipment) 6, each user side has an ammeter 9.Wherein, high-frequency data order wire 1 by sub-district low-voltage power spider lines (comprise power line 3 and ammeter 9, below for convenience of description for the purpose of only with Reference numeral 3 expression sub-district power line access networks) equipment PLC-HE 5 of local side main website and user side are coupled in together from station equipment PLC-CPE 6.So, can realize communicating by letter of user side data communications equipment 7 and Internet 4 external networks such as grade.Above-mentioned local side equipment PLC-HE 5 of main website and user side all are power line carrier communication equipment from station equipment PLC-CPE 6, are used in data communication coherent signal being carried out modulation.Therefore, also can use any other power line communications apparatus with modulation function as the equipment PLC-HE 5 of local side main website and user side from station equipment PLC-CPE 6.
Realization details below with reference to Fig. 2-8 explanation present embodiment of the present invention.
The equipment PLC-HE 5 of local side main website and the user side that use in the native system are as shown in the table from the key technical indexes and the theory diagram of station equipment PLC-CPE 6:
Table 1 the key technical indexes
Fig. 2 and Fig. 3 are respectively the equipment PLC-HE 5 of local side main website and the user side theory diagrams from station equipment PLC-CPE 6.Though what realize in the present embodiment is that transmission rate is the high-speed data communication of 14Mbps,, it will be appreciated by those skilled in the art that the high-speed data communication that utilizes said system of the present invention can finish other transmission rates equally.
Local side main website equipment PLC-HE 5 transmission rates are 14Mbps in the present embodiment, generally be installed between low-voltage distribution cabinet or ammeter and locate, serve as the bridge between external access network 2 and the power line high-speed communicating network 3, be used for the standard ethernet conversion of signals for being adapted at high frequency signals transmitted on the power line, and couple a signal on the low-voltage network 3 by electric capacity or inductance broadband coupling device.PLC-HE 5 need be used with user side slave station electric power of equipment line high speed carrier communication equipment PLC-CPE 6.
Next introduce the low-voltage power line high-speed data communication network installation and the use of present embodiment with reference to accompanying drawing.
1) installation environment
According to field condition, can adopt special-purpose machine room, utilize modes such as existing power distribution station or employing wall hanging rack that the equipment PLC-HE of local side main website 5 is installed.Installation environment should guarantee the well-ventilated, maintains the temperature at-20～50 ℃, and humidity 10%～90% provides continual 220V/50Hz power supply.Machine room, power distribution station usable area are not less than 3 square metres, are used to place 19-inch standard cabinet, and cabinet depth should be greater than 450mm.The wall mount cabinet useful size should be greater than 400mm * 400mm * 300mm.The rack of place apparatus or cabinet should have louvre, preferably just can dispose radiator fan, guarantee that equipment cooling is good.Machine room, power distribution station, rack or cabinet should have enough excess room to place other auxiliary equipment, as switch, optical-electrical converter etc., or reserve the auxiliary equipment riding position.
Necessary broadband outlet laid equipment PLC-HE 5 installation places in advance by the local side main website, as optical fiber, VDSL, ADSL etc.Connect 220V/50Hz power line, ethernet line (linking to each other), high-frequency signal line (being used for high-frequency signal is coupled to power line network) in the cabinet in advance with the broadband outlet.
2) hardware is installed
Ethernet line is inserted into the RJ-45 Ethernet interface (not shown) of PLC-HE 5, and PLC-HE 5 will discern the intersection or the direct connection of ethernet line automatically, need not to be provided with; The high-frequency signal line of laying inserts the high-frequency signal RJ-11 of PLC-HE 5 in advance; For PLC-HE 5 connects power supply, the Power lamp of PLC-HE 5 and PLC lamp Chang Liang, devices illustrated is in good condition.So far, PLC-HE 5 installations.
In addition, also can not use other high-frequency data order wire 1 and the high-frequency data signal of communication is directly coupled on the power line 3 promptly direct-connected coupled modes.This just direct-connected coupled modes shown in Fig. 4.The performance index of the PLC-HE 5 that uses in the networking plan of wherein used local side equipment PLC-HE of main website 5 and employing high-frequency signal line coupled modes are just the same, difference is, in direct-connected coupled modes, PLC-HE 5 inside do not separate signal and power unit fully, and high-frequency signal directly is coupled on the power line of this PLC-HE 5 through the signal coupling unit of PLC-HE 5 inside.That is to say that signal is a multiplexing identical power line with power supply.Therefore, the equipment PLC-HE of local side main website 5 does not have independent high-frequency signal line, and in PLC-HE 5 energized, high-frequency signal also is injected in the power line network of used wall power connection by power line.In this direct-connected coupled modes, by suitably being disposed, local side main website equipment realizes that the high-frequency data signal of communication is coupled on the power line network 3, therefore save the high-frequency signal line.But this coupled modes need be transformed the existing power spider lines, for example, power supply/high-frequency signal terminals of PLC-HE 5 are couple on the wall power in the existing power spider lines, electrically contact so have in this process.Therefore, this direct-connected coupled modes preferably are adapted at using in the residence area among a small circle.
When carrying out data communication, the Power lamp of PLC-HE 5 and PLC (modulation) lamp Chang Liang, ACT lamp and ETH Interface status lamp are glittering.If the ETH indicator light does not work, show that equipment and Ethernet switch or computer malunion are normal, should check ethernet line.If multiple devices are communicated by letter simultaneously, the COL lamp might be glittering, and showing has conflict to take place, and do not influence use.
When adopting high-frequency signal line coupled modes to carry out networking, can use suitable coupling device that the high-frequency signal line is coupled on the power line respectively at the live wire and the zero line place of each ammeter 9 leading-out terminal.Ammeter is concentrated when placing, and this kind scheme is with the obvious advantage.For the situation that the ammeter layering is placed, need be at the equipment PLC-HE of local side main website 5 to utilizing original power line pipeline to lay the high-frequency signal line between each floor ammeter.The whole erection process does not electrically contact, and does not change former distribution net work structure, safe ready yet.
At subscriber household, directly user side is inserted wall plug from station equipment PLC-CPE 6, the USB interface of PLC-CPE 6 connects computer, and promptly the user side data communications equipment 7, and the corresponding driving program is installed, can realize the reliable data communication with PLC-CPE 6 from PLC-HE 5.What certainly, be connected with PLC-CPE 6 also can be the communication equipment that any needs are realized the high-speed data communication function.In addition, if in the family because the interference of household electrical appliance such as charger for mobile phone, electronic energy-saving lamp, part computer power supply, can't reliable communication, then need between corresponding household electrical appliances and wall plug, install the channel optimization means additional, to reach jamproof purpose.
The Ethernet interface of PLC-HE 5 directly links to each other with the Ethernet switch 20 of sub-district, for reducing the broadcast domain of power line network, guarantee that network performance reaches for security consideration, preferably, connect the VLAN (VLAN) of switch 20 settings of PLC-HE 5, so that support port isolation based on port.
Though the equipment PLC-HE of user side main website 5 is by Ethernet connected mode and the network switch 20 and external network 4 couplings in the present embodiment, but, it will be appreciated by those skilled in the art that and also can use other similar connected modes to realize coupling between PLC-HE 5 and the network switch 20 and the external network 4 as required.These contents belong to the known knowledge of network communication field, do not repeat them here.
3) coupling device
The equipment PLC-HE 5 of local side main website is converted to the power line high-frequency communication signal with ethernet signal, and by the high-frequency coupling device this high-frequency communication signal is injected power line, thereby carries out data communication based on existing sub-district power line network.In the present embodiment, coupling device adopts band installing tache, detachable magnet ring, and installation process does not electrically contact, safe ready.The ammeter that carries out the signal coupling goes out line length needs 5cm at least.
The coupling magnet ring can be selected the ZCAT series of being produced by Japanese TDK company for use, looks power line line footpath size, has plurality of specifications available.For example:
The ZCAT3035-1330 specification:
(1) internal diameter: 13mm
(2) external diameter: 30mm
(3) length: 35mm
The ZCAT2132-1130 specification:
(1) internal diameter: 11mm
(2) external diameter: 21mm
(3) length: 32mm
The ZCAT2032-0930 specification:
(1) internal diameter: 9mm
(2) external diameter: 20mm
(3) length: 32mm
Certainly, also can use other suitable electromagnetic coupling devices according to network environment.
In addition, also can the high-frequency data signal of communication that carry on the high-frequency signal line be injected power line by capacitive coupling device.But because capacitive coupling device itself need work under active environment, therefore, capacitive coupling relates in operation and electrically contacting, and relatively is adapted at using in the residence area among a small circle.
4) high-frequency signal line
The high-frequency signal line can be selected the 4 core non-shielding twisted-pair feeders that meet GB/T 50312-2000 standard for use.
5) high-frequency signal line coupling process
Fig. 5 shows the coupling process that has only a user.
As shown in Figure 5, magnet ring 10 is enclosed within ammeter 9 leading-out terminals (that turns right among the figure is respectively live wire and zero line leading-out terminal, below each figure with), on zero line leading-out terminal, the live wire leading-out terminal each one, high-frequency signal line 1 passes in magnet ring 10.For reducing the decay of signal, holding wire is followed short as far as possible principle, and contact is preferably implemented welding and do not use simple twisting to connect, to strengthen reliability.
The main law of electromagnetic induction principle that adopted that high-frequency signal utilizes magnet ring to be coupled, therefore should be noted that the trend of high-frequency signal line, cancel each other in order to avoid be under the same local side main website equipment high-frequency signal on the different user power line, cause reducing high-frequency signal strength.The trend of high-frequency signal line should be followed following principle: all ammeters under the same local side main website equipment are in full accord, and the trend of live wire and zero line is just in time opposite, promptly forms a loop.
For example, during the live wire couples high frequency signals of first ammeter, the trend of holding wire is along ammeter outlet sense of current, so after under the same local side during live wire couples high frequency signals of other ammeter, holding wire all should be along the trend of electric current.After coupling is finished to the leading-out terminal of least significant end ammeter, two terminals of high-frequency signal line are welded, blended rubber cloth parcel, thus form a loop.When Fig. 6 showed the ammeter (among the figure being 2) that a plurality of users are arranged in the same ammeter box, the high-frequency signal line was with each ammeter polyphone.
Fig. 7 shows the trend when the high-frequency signal line is coupled between different floor ammeter boxes.There is shown the wiring situation on the ammeter (among the figure being 4) that high-frequency signal line 1 is coupled to a plurality of users in two floors (is the boundary with the dotted line).As shown in the figure, the high-frequency signal line is contacted each ammeter, and forms a loop.
When carrying out the coupling of field wiring and high-frequency signal, be noted that the high-frequency signal line that the same local side equipment PLC-HE of main website 5 is drawn, should guarantee the direction of routing unanimity for its corresponding all user sides.In addition, when following above-mentioned rule, cabling will be paid special attention to safety in the ammeter box, and wiring is attractive in appearance as far as possible, does not destroy original electric equipment and relevant facility.Must note not with grounding apparatus short circuits such as high-frequency signal line and ammeter boxes, otherwise might burning apparatus.Ammeter box is avoided away open-wire line outward as far as possible, and as necessary, relevant cable can be come into wire casing or pvc pipe.
6) typical networking plan
A) high-rise high building networking
As shown in Figure 8, high-rise high building look every layer of number of users and each equipment PLC-HE of local side main website 5 decide each PLC-HE 5 to be managed from the ability of station equipment PLC-CPE 6 with user side floor quantity.For example in Beijing National Utilities Electric Co. the Temple of Moon sub-district, every layer has 8 users, can set up 1 equipment PLC-HE of local side main website 5 for 24 per three layers users.For describe clear for the purpose of, only show a user 8 of every layer among the figure, and two PLC-HE 5 wherein.Remaining connects similarly.
B) multiple unit low layer slab-type apartment building networking
As shown in Figure 9, multiple unit low layer slab-type apartment building is because floor is less, and the number of users of each unit is few, can set up 1 equipment PLC-HE of local side main website 5 at 2-3 unit.As every unit, DianYe New Village, Shenyang 10 users are arranged, can set up 1 equipment PLE-HE of local side main website 5, manage 30 users for per 3 unit.
C) the high-rise slab-type apartment building networking of multiple unit
As shown in figure 10, the high-rise slab-type apartment building of multiple unit is set up 1 equipment PLC-HE of local side main website 5 in each unit.High 9 floor in building, sub-district, Huaneng Group, Beijing group blank sheet of paper mill for example, 18 users in every unit (only illustrating wherein 3 among the figure) can set up 1 equipment PLE-HE of local side main website 5 for every unit, manage 18 users.
D) commercial office building networking
As shown in figure 11, for the situation that provides the carrier communication of power line high speed to insert for whole commercial office building, can be referring to the networking model of the high-rise slab-type apartment building of above-mentioned high-rise high building, multiple unit low layer slab-type apartment building and multiple unit.Because office building does not have the floor ammeter, therefore will be coupled to change in floor power distribution cabinet place (not shown) behind ammeter is coupled.
The situation of power line high speed carrier communication access is provided for certain office for commercial office building, as shown in figure 11, only need the power line interface of the equipment PLC-HE of local side main website 5 is inserted arbitrary wall plug 30, can enjoy the facility that wired mobile network brings at other wall plugs 30.As can be seen, in this kind networking plan, use be that aforesaid direct-connected coupled modes are coupled to the high-frequency data signal of communication on the power line network.
E) hotel, hotel's networking
For small-sized hotel, only need the local side equipment PLC-HE5 of main website to be installed at total power distribution cabinet place, just can be in 30 online of the wall plug in every guest room.
For large-scale hotel, as shown in figure 12, the local side equipment PLC-HE of main website 5 is installed at every layer, again each equipment PLC-HE of local side main website 5 is couple on the network switch 20 of support based on port vlan by Ethernet category 5 twisted pair 2.As shown in the figure, in this networking mode, use above-mentioned direct-connected coupled modes that the high-frequency data signal of communication is coupled on the power line network 3, from and realize (the guest room in only illustrating every layer the figure of user side communication equipment 7 in every guest room, i.e. communication equipment 7 in user side, all the other omissions are not shown) and external network, for example high-speed data communication between the Internet 4.
In fact, though above-named networking mode uses the coupling between high-frequency signal line coupling mode or direct-connected coupling mode realization high-frequency data signal of communication and the sub-district power line network 3 respectively.But, those skilled in the art by top description as can be known, above-mentioned every kind of networking mode can use high-frequency signal line coupling mode or this dual mode of direct-connected coupling mode to carry out networking.
In addition, the present invention also provide simultaneously a kind of be used for the invention described above realize the method for data communication based on the system of sub-district power line network, the method comprising the steps of:
Described sub-district access network 2 and sub-district power line network 3 are coupled;
Described sub-district access network 2 and external network 4 are coupled;
Thereby, make that each corresponding user side communication equipment 7 is realized data communication by sub-district access network 2 and sub-district power line network 3 with external network in the sub-district power line network 3.
In a kind of preferred implementation of the method for the invention described above, at the sub-district of described system power line network 3 arrival ends at least one equipment PLC-HE of local side main website 5 is set, and at least one user side that is complementary at each port of export setting of described sub-district power line network 3 and described local side main website equipment is from station equipment PLC-CPE 6; The described local side equipment PLC-HE 5 of main website is coupled in by described sub-district access network 2 with external network 4.Thereby, from the cooperating of station equipment and described local side main website equipment, carry out data communication via described sub-district power line network 3 and described sub-district access network 2 with external network 4 from data user's end data communication equipment that station equipment 6 is connected by corresponding user side with each described user side.
Introduction by top specific embodiment to the system and method for in based on the system of the sub-district low-voltage power spider lines in the residence area, realizing high-speed data communication of the present invention as can be seen, the present invention can bring following benefit at least.
1) can solve the last 300 meters problems of broadband behind the sub-district, realize between panel switches cabinet or ammeter to the power line broadband access network of subscriber household, need not wiring, need not through wallsly to burrow, do not destroy finishing, use manpower and material resources sparingly.It is the ideal solution of registering one's residence in the broadband.
2) can add the equipment PLC-HE of assembling system local side main website in porch, family broadband
5, its Ethernet interface links to each other with the broadband interface of registering one's residence, and its power line interface inserts arbitrary wall plug in family, can have the room of wall plug to enjoy the facility that wired mobile network brings in that family is arbitrary.
3) bandwidth for example can be up to 14Mbps, and throughput satisfies the needs of many computer networkings of household internal fully up to 6Mbps, can realize sharing of resources such as Internet connection, printer, file, also can carry out the online online game of multi-person interactive.Realize that everything need not wiring, does not destroy finishing.
4) further communication module is embedded in the household electrical appliances, can enjoy the life facility that intelligent appliance brings in advance.
5) utilize permanent online characteristic (unless the sub-district supply of electric power is interrupted) can build Jian and prevent, monitor digitized home in one.
6) set up the digitization community that collects community's E-business service and remote copying water, electricity and gas hotlist meter.
7) can realize the internal network of medium-sized and small enterprises, need not wiring, have good mobility.
8) be particularly suitable for the guest room broadband access of hotel, need not full configuration and put.Move in the passenger only need rent power line high speed carrier communication equipment can realize the online.
Though in conjunction with specific embodiments the present invention is described in detail above,, as understood by one of ordinary skill in the art, the present invention is not limited to the restriction of the details of the foregoing description and each component part thereof.Under the prerequisite that does not deviate from basic principle of the present invention and spirit, those skilled in the art can also make various changes and distortion to the foregoing description.In a word, protection scope of the present invention is only stated by attached claim and is limited.
Claims (24)
1. realize data communications system based on the sub-district power line network for one kind, this system comprises:
Sub-district access network (2) is coupled in described sub-district power line network (3), and described sub-district access network (2) also is coupled in external network (4);
Sub-district power line network (3) makes middle each the corresponding user side communication equipment (7) of sub-district power line network (3) realize data communication by sub-district access network (2) and sub-district power line network (3) with external network (4);
It is characterized in that, comprise that also at least one local side main website equipment and user side are from station equipment, wherein:
Local side main website equipment (5), be arranged on described sub-district power line network (3) arrival end, ethernet line is inserted into the RJ-45 Ethernet interface of local side main website equipment, the high-frequency signal line of laying inserts the high-frequency signal RJ-11 of local side main website equipment in advance, and ethernet signal is converted to the power line high-frequency communication signal, by the high-frequency coupling device this high-frequency communication signal is injected power line; Be coupled in external network (4) by described sub-district access network (2); And
User side is from station equipment (6), be complementary with described local side main website equipment, be arranged on each port of export of described sub-district power line network (3), insert wall plug, user side connects the user side data communications equipment from the USB interface of station equipment, and user side data communications equipment (7) is carried out data communication via described sub-district power line network (3) and described sub-district access network (2) with external network (4).
2. as claimed in claim 1 based on sub-district power line network realization data communications system, it is characterized in that:
Coupling between described local side main website equipment (5) and the described sub-district power line network (3) comprises direct-connected coupling, wherein, data traffic signals is directly coupled on the power line of this local side main website equipment through the inner signal coupling unit of local side main website equipment (5), and this power line is couple on the described sub-district power line network (3), thereby, be implemented in described local side main website equipment place data traffic signals be directly coupled on the power line network of sub-district.
3. as claimed in claim 1 based on sub-district power line network realization data communications system, it is characterized in that:
Coupling between described local side main website equipment (5) and the described sub-district power line network (3) comprises high-frequency signal line (1) coupling, so that data traffic signals is coupled on the described sub-district power line network (3) via described high-frequency signal line at local side main website equipment place, and guarantee to be coupled by identical mode and described high-frequency signal line from station equipment (6), thereby make signal flow in the described high-frequency signal line to being identical from station equipment for each described user side with corresponding all user sides of a local side main website equipment (5).
4. as claimed in claim 3 based on sub-district power line network realization data communications system, it is characterized in that:
Described high-frequency signal line (1) carries out the signal coupling with the described user side of described sub-district power line network (3) neutralization from the outlet of the corresponding ammeter of station equipment (9), wherein, described high-frequency signal line will be cascaded respectively from the outlet by each ammeter of the ammeter (9) of station equipment (6) with corresponding all user sides of each described local side main website equipment.
5. as claimed in claim 4 based on sub-district power line network realization data communications system, it is characterized in that:
The trend of described high-frequency signal line is along each ammeter (9) outlet sense of current, after coupling of least significant end ammeter finished, two terminals of high-frequency signal line is linked together, thereby makes described high-frequency signal line form a loop.
6. as each describedly realizes it is characterized in that data communications system based on the sub-district power line network among the claim 3-5:
The device that described high-frequency signal line is coupled on the power line network of described sub-district is electric capacity or inductance coupling device.
7. as claimed in claim 6 based on sub-district power line network realization data communications system, it is characterized in that:
Described inductance coupling device is the magnet ring of selecting from following group according to the line footpath size of power line in the power line network of described sub-district: ZCAT3035-1330ZCAT2132-1130ZCAT2032-0930, on the zero line leading-out terminal of each ammeter and live wire leading-out terminal, a magnet ring is set respectively, and described high-frequency signal line is passed in magnet ring, described high-frequency signal line line length is less than 200 meters.
8. as each describedly realizes it is characterized in that data communications system based on the sub-district power line network among the claim 3-5:
Described high-frequency signal line is the 4 core non-shielding twisted-pair feeders that meet GB/T 50312-2000 standard.
9. as claimed in claim 1 based on sub-district power line network realization data communications system, it is characterized in that the message transmission rate of described local side main website equipment (5) is 14Mbps.
10. as claimed in claim 1 based on sub-district power line network realization data communications system, it is characterized in that:
Described system also is included in other electronic equipments except described data communications equipment (7) and the corresponding channel optimization means of user side from being provided with between the port of export of station equipment (6) in the user side, thereby guarantees that described data communications equipment and described user side are from the reliable communication between the station equipment.
11. as claimed in claim 1 based on sub-district power line network realization data communications system, it is characterized in that:
Described local side main website equipment (5) couples by the network switch (20) and described sub-district access network (2), and described switch setting is based on the Virtual Local Area Network of port, so that support port isolation.
12. as claimed in claim 1 based on sub-district power line network realization data communications system, it is characterized in that:
Described sub-district is the normal domestic use residence building, according to every layer of number of users and described local side main website equipment decide the quantity of local side main website equipment set this sub-district with user side from the ability of station equipment.
13. as claimed in claim 1 based on sub-district power line network realization data communications system, it is characterized in that:
Described sub-district is commercial office building, and described local side main website equipment is coupled on the described sub-district power line network (3) at each floor power distribution cabinet place.
14. as claimed in claim 1 based on sub-district power line network realization data communications system, it is characterized in that:
Described sub-district is small-sized hotel, and described local side main website equipment is coupled on the described sub-district power line network (3) at total power distribution cabinet place.
15. as claimed in claim 1 based on sub-district power line network realization data communications system, it is characterized in that:
Described sub-district is large-scale hotel, at every layer described local side main website equipment is installed respectively, and described each local side main website equipment is couple on the network switch of support based on the port virtual LAN VLAN by the Ethernet category 5 twisted pair.
16. one kind is used in the method that realizes data communication based on the system of sub-district power line network, this system comprises sub-district access network (2) and sub-district power line network (3), and the method comprising the steps of:
Described sub-district access network (2) and sub-district power line network (3) are coupled;
Described sub-district access network (2) and external network (4) are coupled;
It is characterized in that, further comprising the steps of:
At described sub-district power line network (3) arrival end at least one local side main website equipment is set, be coupled in external network (4) by described sub-district access network (2), ethernet line is inserted into the RJ-45 Ethernet interface of local side main website equipment, the high-frequency signal line of laying inserts the high-frequency signal RJ-11 of local side main website equipment in advance, and ethernet signal is converted to the power line high-frequency communication signal, by the high-frequency coupling device this high-frequency communication signal is injected power line;
At least one user side that is complementary with described local side main website equipment is from station equipment (6), be arranged on each port of export of described sub-district power line network (3), insert wall plug, user side connects the user side data communications equipment from the USB interface of station equipment, and user side data communications equipment (7) is carried out data communication via described sub-district power line network (3) and described sub-district access network (2) with external network (4).
17. the method that realizes data communication based on the system of sub-district power line network of being used for as claimed in claim 16 is characterized in that:
By direct-connected coupled modes described local side main website equipment (5) and described sub-district power line network (3) are coupled, wherein, data traffic signals is directly coupled on the power line of this local side main website equipment through the inner signal coupling unit of local side main website equipment (5), and this power line is couple on the described sub-district power line network (3), thereby, be implemented in described local side main website equipment place data traffic signals be directly coupled on the power line network of sub-district.
18. the method that realizes data communication based on the system of sub-district power line network of being used for as claimed in claim 16 is characterized in that:
By the high-frequency signal line data traffic signals is coupled to described sub-district power line network at local side main website equipment place, so that data traffic signals is coupled on the power line network of described sub-district at local side main website equipment place, and guarantee to be coupled by identical mode and described high-frequency signal line from station equipment (6), thereby make signal flow in the described high-frequency signal line to being identical from station equipment for each user side with corresponding all user sides of a local side main website equipment (5).
19. the method that realizes data communication based on the system of sub-district power line network of being used for as claimed in claim 18 is characterized in that:
With described high-frequency signal line be couple in the power line network of described sub-district with each user side from the outlet of the pairing ammeter of station equipment (9), wherein, described high-frequency signal line will be connected respectively by the outlet of each ammeter from the ammeter (9) of station equipment (6) with corresponding all user sides of each described local side main website equipment.
20. the method that realizes data communication based on the system of sub-district power line network of being used for as claimed in claim 19 is characterized in that:
Make described high-frequency signal line along each ammeter outlet sense of current cabling, after the coupling of finishing least significant end ammeter (9), two terminals of high-frequency signal line are linked together, thereby make described high-frequency signal line form a loop.
21., it is characterized in that as each described method of realizing data communication based on the system of sub-district power line network of being used among the claim 18-20:
By electric capacity or inductance coupling device described high-frequency signal is coupled on the power line network of described sub-district.
22. the method that realizes data communication based on the system of sub-district power line network of being used for as claimed in claim 21 is characterized in that:
Described inductance coupling device is the magnet ring of selecting from following group according to the line footpath size of power line in the power line network of described sub-district: ZCAT3035-1330ZCAT2132-1130ZCAT2032-0930, on the zero line leading-out terminal of each ammeter and live wire leading-out terminal, a magnet ring is set respectively, and described high-frequency signal line is passed in magnet ring, described high-frequency signal line line length is less than 200 meters.
23. the method that realizes data communication based on the system of sub-district power line network of being used for as claimed in claim 16 is characterized in that:
Other electronic equipments in each user side except described data communications equipment (7) and corresponding user side are provided with the channel optimization means between the port of export of station equipment (6), thereby guarantee that described data communications equipment and described user side are from the reliable communication between the station equipment.
24. the method that realizes data communication based on the system of sub-district power line network of being used for as claimed in claim 16 is characterized in that:
Described local side main website equipment couples by the network switch (20) and described sub-district access network, and described switch setting is based on the virtual LAN VLAN of port, so that support port isolation.
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| CN 200410002258 CN1558564B (en) | 2004-01-16 | 2004-01-16 | Power line based data communication system and realizing method thereof |
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| CN 200410002258 CN1558564B (en) | 2004-01-16 | 2004-01-16 | Power line based data communication system and realizing method thereof |
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| CN101924672A (en) * | 2009-06-11 | 2010-12-22 | 中兴通讯股份有限公司 | Wireless broadband access system and method |
| CN102624539B (en) * | 2011-10-18 | 2014-12-10 | 华北电网有限公司 | Multilevel relativity bearing type automatic mapping method for electric power communication network |
| CN104253729B (en) * | 2013-06-28 | 2017-12-29 | 施耐德电器工业公司 | The method for transmitting data between master-slave equipment by register interface |
| CN103441873A (en) * | 2013-08-23 | 2013-12-11 | 深圳市共进电子股份有限公司 | Mixing network wireless cloning method |
| CN108494716A (en) * | 2018-03-01 | 2018-09-04 | 惠州Tcl移动通信有限公司 | Modulation-demodulation device, smart home communication means and intelligent domestic system |
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