CN101373991A - Power line household communications network system - Google Patents
Power line household communications network system Download PDFInfo
- Publication number
- CN101373991A CN101373991A CNA200710141470XA CN200710141470A CN101373991A CN 101373991 A CN101373991 A CN 101373991A CN A200710141470X A CNA200710141470X A CN A200710141470XA CN 200710141470 A CN200710141470 A CN 200710141470A CN 101373991 A CN101373991 A CN 101373991A
- Authority
- CN
- China
- Prior art keywords
- communication
- power line
- channel
- plc
- network
- 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
Links
Images
Abstract
The invention provides a solution of a household power line communication (PLC) network system, which comprises the steps of setting a household gateway device in a domestic switchboard, connecting a PLC module with an upper isolating low-pass filter with the output end of each safety circuit breaker, so that the output branch power lines of the safety circuit breakers constitute an independent PLC link circuit, and the actual transmission length of the household PLC high-frequency signals is only several meters to several dozens meters, thereby realizing a high-speed PLC network structure with small power; and splitting a PLC band in a wide area network to several dozes of narrow bands with fixed bandwidth, applying a relatively independent and optimal digital modulation proposal on each narrow band channel to reach single channel optimization and high speed data transmission and allocate communication channels for different communication applications with the narrow band channel as a unit, so that different communication modes can share one household PLC network platform under channel multiplexing.
Description
[technical field]
The invention relates to the technical scheme of power line communication and domestic communication system.
[background technology]
Power line communication (Power Line Communication is hereinafter to be referred as PLC) is to utilize power line to come a kind of communication mode of transmission of data signals.And household communication network system is meant, electrical equipment all in the family is all coupled together the formation network, and it can be connected to each other and communicate by letter.Can realize to electrical equipment by network that the various transmission of carrying out data message in long-distance remote control operation and the family receive and share etc., be one of contemplated family's communication environment of ubiquitous epoch of network.
In the scheme of various domestic communication systems, construct home network with power line as carrier and have following advantage:
(1) than other wired networking, it is to utilize existing interior distribution gauze, need not new wiring, economizes on resources and invests;
(2) than the wireless networking scheme, it has frequency resource and takies few communication road through controlled advantages such as security reliability height;
(3) can realize easily that by the wall outlet that spreads all in the family network in any place connects;
The utilization of PLC itself has very long history.But because the technical conditions at that time and the factors such as limitation of application market do not have very big breakthrough in a very long time.In recent years along with the requirement of the application popularization of the development of LSI technology and the Internet, the PLC technology broadband network insert and home intranet aspect come into one's own, obtained development at full speed in the technological development.Intellon as the U.S., the ITRAN of Israel, Hispanic DS2, the companies such as Matsushita Electric Industries of Japan have developed various high speed PLC with chips and module, and released physical rate can be up to PLC gateway and the modulator/demodulator products such as (or claiming PLC adapter) of 200Mbps.The broadband that can be used for the Internet continue or family in file transfer between the entertainment electronic appliances.
[summary of the invention]
[problem]
When using above-mentioned PLC gateway and modulator/demodulator to carry out home intranet, be earlier with in any one supply socket in the PLC gateway insertion family, this PLC gateway that passes through of external the Internet is transformed into the power network that the PLC high-frequency signal enters family, and the PC of user side or other electrical apparatus product look into by one then that in supply socket PLC adapter is connected with the PLC gateway.Because PLC gateway and PLC adapter all are directly to be inserted in any one supply socket, the high-frequency signal of PLC is that each the phase electric wire interface by distribution board passes to indoor each branch power line, whole family is that a shared PLC high-frequency signal link is (as patent code name JP2004-56218, JP2004-201052, JP2005-354575, JP2006-115481, US2006-0165054, the scheme of CN1633038 etc.).Have following problem with this mode:
(1) when the place of the PLC adapter of the supply socket of PLC gateway and connecting circuit goods was not on the branch power line at same safety cut-out, the PLC high-frequency signal will just can reach through safety cut-out and the circuit branch on a plurality of power supply circuits.Safety cut-out and circuit branch all can produce very large decay to the PLC high-frequency communication signal.Test data shows: same relatively branch road down the average transmission between two supply sockets is decreased under the situation of 10-15dB, under the different branch the average transmission between two supply sockets is decreased up to 40-50dB.For each corner that makes signal of communication can arrive electric line in the family just needs the very big power of delivering letters.Cause very big electromagnetic radiation noise.
(2) because the PLC signal is unconfinedly to pass to all directions along indoor power line, therefore also can be along the power line that inserts to external leaks, the imbalance structure that family inserts supply line except causing the leaking of Content of Communication can cause very big irradiation of electromagnetic waves, and cause other wireless utilization is disturbed.
(3) each branch line is not in the isolating of high-frequency signal link, so electro instrument noise all can pass to and causes on other branch line the stack of the noise on the whole circuit on each branch road, thereby influences plc communication.
(4) while need be considered the access requirement of various electrical equipment for the networking of family's communication network, both on same power line household communication network platform, to support the communication mode of the desired various forms of access of various electrical equipment, and above-mentioned PLC adapter product is basically at certain specific purposes, such as the broadband access or the transfer of data between the AV entertainment electronic appliances of the Internet with continue mutually etc.The modulation demodulation system of the many single-frequency field width band that adopts.And the employed frequency frequency range of present various PLC product is crossed over 1M～40MHz, is the frequency-domain segment band of a non-constant width of relative bandwidth.The decline radiation characteristic that the transmission medium power line is presented in the frequency band of wide area like this alters a great deal, the noise profile of surrounding environment also has very inhomogeneous, make the broadband homogeneous high speed/high performance numeral modulation realization comparatively the difficulty, the frequency service efficiency is low.The motion of the multi channel electric line communication system of some frequency divisions is also arranged, such as the flat 11-127092 of patent No. JP, JP2005-223609, US006590493, the scheme of CN1564475 etc., be to use a plurality of carrier frequency to carry out frequency translation between the different channels realizing the tandem switching etc. between the different system, the non-problem that improves for the coexistence that solves multiple communication mode and frequency utilization efficient more.
(5) in addition, above-mentioned PLC product.And certain characteristic frequency is produced the phenomenon of resonance to the circuit that PLC is produced in the application of reality and the reason in the policy regulation limits problems such as use to certain frequency band, the modulation demodulation system of single-frequency field width band also difficulty relatively on handling.
At above-mentioned problem, the present invention proposes an overall electric power line family communication network scheme.It is specific as follows:
[means]
At above-mentioned problem (1), (2), (3), first aspect of the present invention are that the high frequency that cuts off each power line branch road on the network configuration structure Design connects, and the PLC high-frequency propagation path that makes actual effect is for the shortest;
Power supply electric line in the family is, and to be the center with the distribution board extend to various aspects in the family with tree.Each arboroid source all is connected to earth leakage protective safety cut-out in the distribution board.When family's power line uses as communication medium, when the electrical equipment on the different branch lines is connected to each other the communication signal will cross over these safety cut-outs the time, safety cut-out is not only only high-frequency communication signal to be produced outside the very big decay, and the multiple branches that forms that joins of each circuit breaker and heterogeneous electric wire also is the irradiation of electromagnetic waves main cause.Therefore cut off the PLC high-frequency signal can improve whole system in the propagation in this interval transmission performance.
Network of the present invention constitutes design as shown in Figure 1, is that home networking gateway (gateway) is set in the load-dispatching board of family, and the output line of the terminal safety cut-out of each power circuit is all inserted the indoor power gauze then by gateway.Intra-gateway all inserts the PLC HF communication link that a PLC module bears on this branch line to the output branch line of the safety cut-out on each road and accommodates.Between the front end of the access point of PLC module and safety cut-out, insert low pass filter (LPF) and crosstalk to the leakage of the access power line of upper end and to other safety cut-out branch line by safety cut-out, make the following terminal branch line of each safety cut-out respectively buy into a PLC link independently by oneself with the PLC high-frequency carrier signal that cuts off on this safety cut-out branch line.And be positioned at the connection (, shown in Figure 2) that communicating to connect of appliance chamber on the different safety cut-out output branch line is the data plane of carrying out of the HubSwitch at home networking gateway (gateway) as Fig. 1.Therefore each only is the distribution wire length under the safety cut-out branch in the actual effect PLC HF communication interval of communication link end to end.The safety cut-out branch of general family's power line end power line length down is for only being several meters～tens of meters.The decay of power line circuit is all relative with line delay very little on so short distance, makes small-power Data Communication Realization at a high speed more or less freely.Simultaneously, difference is less relatively on the branch line below the safety cut-out, the degree of balance of circuit and the quality of circuit change also relatively stable, and the low pass filter under each safety cut-out not only can cut off crosstalking of PLC signal between each branch road and also can isolate influencing each other of electro instrument noise on each branch road.
At above-mentioned problem (4), (5), second aspect of the present invention are in the mode of accommodating that improves frequency service efficiency and multiple communication mode: the present invention be the broadband band segmentation with a wide area pluralize～dozens of has the arrowband channel of fixed-bandwidth.And each arrowband channel can be used as an independent communication channel, and each channel is provided with independently PLC modulation module.Under the condition of arrowband frequency domain, can take the modulation algorithm of suitable channel conditions therewith and means obtaining data modem mode and power output more at a high speed/efficiently according to the concrete condition in each channel band territory, and to the soft control and management of characteristic frequency section etc.
Cut apart each narrow band frequency section of back as channel independently physically,, make the connection that communicates that single frequency range also can be independent because each channel all is provided with independently modulation module.For the communication object of low-volume traffic stream, as some electrical appliance control signals etc., single channel gets final product; And for the real time communication of high amount of traffic, connect when needing big bandwidth as the transmission of digital television broadcasting, can adopt the jumbo channel that is spliced to form of a plurality of channels, promptly be frequency band and the channel of unit to various allocation of communications special uses with the channel.And, take specify to use different channel to transmit for the communication of various communication protocol, can under the condition of the agreement of not touching the upper strata with various electrical equipment all various communication modes easily with channel multiplexing multiple form integration in a power line household communications network.Carry out similar communicating to connect for different electrical equipment and will share same communication channel.The communication of plural number is to adopt the mode of CSMA/CA to realize to the shared of same communication channel.
Owing to will take with the channel that to be unit distribute special-purpose channel and frequency band to communication object, therefore to some specific electrical equipment built-in PLC module can selectively load the PLC channel module, also help reducing unnecessary noise jamming source.
Be that network management communication dedicated channel is set according to a third aspect of the present invention
It is the network (Fig. 2) at center with the home gateway that the designed power line household network system of the present invention is one.After the broadband frequency domain of an above-mentioned wide area is divided into the relatively independent arrowband channel of dozens of, for management function and the reliability of strengthening domestic communication system, the independent network management communication channel of an arrowband channel that be provided with as special use.Information exchange between each networking electrical equipment and the PLC gateway and gateway monitoring and management to network mainly are provided in the family.
Gateway and a plurality of electrical equipment adopt the mode of CSMA/CA to realize to the common use of network management dedicated channel.
[effect of invention]
From above explanation, as can be seen, use motion of the present invention can obtain following effect.
(1) has the PLC module that the upper strata isolates low pass filter LPF because in the branch of each safety cut-out, insert, on a Goethe family electric line network, has a plurality of independent PLC links, so single plc communication is apart from the power circuit interval that is limited under the terminal safety cut-out branch, the communication distance of PLC is very short, conditions such as Line Attenuation are better, can realize the high speed plc communication of small transmitted power.
(2) because the cutting apart of frequency band, whenever each channel can be independent carries out modulation, realizes the data modem of high speed/high performance on the channel of an arrowband, realizes the plc communication of high speed/high reliability easily.
(3) can be easy to make mutual communication switching integration between the various various electrical equipment with different communication protocol owing to be unit with the channel to same domestic communication system to the channel of various allocation of communications special uses.
(4) because the management of the frequency band of channelization, can carry out independent On/Off and output is adjusted to each channel, in the utilization of reality, can be easy to soft correspondence is carried out in the output adjustment of specific frequency band and control etc.
(5) simultaneously, because with channel unit is various communication function allocate communications channels, only need equip the modulation module of required that part channel of electrical equipment therewith in the electrical equipment in the PLC module of dress, promptly can save manufacturing cost and also can reduce emitting of useless high frequency noise.
[explanation of concrete execution mode]
Below, the execution mode of motion of the present invention is described in conjunction with the accompanying drawings.
Fig. 1 be the present invention implement the time wiring schematic diagram of home gateway is set in the family power line distribution board.
Each safety cut-out (102 of power line end on family's distribution board (100), 103,104) output branch line (150) is on good terms with PLC module (3) by LPF (low pass filter) (2) and is connected, and goes up at each power line branch line (150) that stretches in indoor and forms relatively independent PLC link.Because be inserted with LPF (2) on the top of power line branch line (150), so the high-frequency signal of the PLC on each branch line is limited at the following interval of this branch line (150), thereby prevent that high-frequency communication signal from crossing safety cut-out (102 along power line, 103,104) to the leakage of outside and prevent crosstalking to other branch lines.
The data Layer of each the PLC module (3) on the home networking gateway device (10) can be connected to each other in HubSwitch (5) lining.Simultaneously, (3a 3b) also is connected with switching hub (5), and (3a, connection 3b) is also carried out being connected to each other of data Layer via HubSwitch (5) to PLC module (3) with the PERCOM peripheral communication connectivity port because do the connection communication port of external network.
The schematic diagram that constructed PLC household communication network system launched when Fig. 2 was the invention process.
With the PLC of family gateway (10) is the center, is that transmission medium launches the PLC domestic communication system with the power line (150) of tree-shaped expansion in the family.Various electrical equipment in the family (200=200a, 200b, 200c etc.) use an AC plug to link to each other with the family communication network by power supply base, and the intermediary of PLC gateway (10) with manage under realize being connected with other communicating of electrical equipment.Electrical equipment (200) on different power line branch lines (150), for example to the electrical equipment of 200a and 200b communicate be connected the time, be on data Layer, to carry out interconnection via home networking gateway device (10).Electrical equipment (200) on the same PLC link, such as communicating to connect between the 200c electrical equipment also needs home networking gateway device (10) to arrange to communicate to connect the channel of usefulness.The installation example back that communicates to connect channel is recorded and narrated.
Fig. 3 is the schematic diagram that time-frequency band of the invention process is cut apart.
As a partitioning scheme for example, the PLC band segments in the single-frequency broadband of a wide area of crossing over tens of MHz bandwidth is divided into the arrowband channel that dozens of has hundreds of KHz bandwidth.This enforcement case be with the frequency bandwidth amplitude of 500KHz the frequency band of PLC working band 1.5MHz～30MHz commonly used as 57 arrowband working channels (50), and with S0, S1～S56 serial number.
The schematic diagram of the channel allocation of being undertaken by the purposes of communication when Fig. 4 is of the invention process.
With the arrowband channel after above-mentioned cutting apart is unit, distribute the communication channel of independent stationary separately by different communications applications, can make the communication of various communication protocol be easy to communication network platform with the same PLC of the common use of the mode of frequency division multi multiplexing family.In this embodiment, the S0 channel is decided to be the network management dedicated channel, and the communication that only is used between gateway and the networking electrical equipment is used; S1-S20 is designated as continuing of extranets (referring to the Internet etc.) and uses channel; S21-S50 then is assigned to continuing of the various appliance chambers of household internal and transfer of data, such as TV and digital tuner, and being connected etc. between TV and DVD and PC and the peripheral hardware; S51-S56 then is utilized for purposes such as family's monitoring and home automation.
When Fig. 5 is of the invention process the networking electrical equipment built-in PLC functions of modules schematic diagram.
On the lead-in wire of the AC of various networking electrical equipment (200=200a, 200b, 200c etc.) power supply plug cord (151), AC/DC power module (201) inserts PLC module (3) before.And low pass filter LPF (2) PLC high-frequency signal capable of blocking enters the AC/DC power module of electrical equipment.Therefore because the PLC module is before the power supply module of electrical equipment body, in case no matter the On/Off of the mains switch of electrical equipment body when whether the AC plug of electrical equipment is inserted in the indoor supply socket, just can start the networking of PLC module realization electrical equipment.
The schematic diagram of a plurality of narrow-band high-speed modulator-demods in the built-in PLC module of networking electrical equipment when Fig. 6 is of the invention process.
Cut apart with the purposes of channel based on above-mentioned frequency range and to distribute, in electric appliance built-in PLC module, selectively load the modem module of the required channel of electrical function.Since the data modem of the high speed/high performance under more or less freely realization unit frequency range under the condition of narrow frequency domain band, frequency service efficiency height.Be stitched together by the high speed modem of a plurality of arrowbands and also can easily can constitute the high speed modem in a broadband.Because data are separately sent with different channels, need data flow is packed module (7) the channel data bag (51) of cutting apart and pack into channel data with a plurality of high speed modem modules (6).
The schematic diagram that data when Fig. 7 is of the invention process in the home networking gateway connect.
Communicating to connect between the electrical equipment (200) on the different power line branch lines (150), and a plurality of diagram that data connect of carrying out that how to communicate to connect in home networking gateway (10).
The schematic diagram of the CSMA/CA mechanism that the channel sharing collision prevented when Fig. 8 was of the invention process.
How a plurality of electrical equipment (200) utilizes the diagram of colliding the CSMA/CA mechanism that prevents when using same communication channel jointly under similar communications applications.
The sequential form schematic diagram that various electrical equipment (200) networking was logined and withdrawn from the PLC family communication network when Fig. 9 was of the invention process.As follows in detail.
(1) when the electrical equipment that is built-in with PLC module (6) (200) is access in the AC socket, the adding logging program of the domestic communication system of electric appliance built-in is started automatically.Logging program automatically sends logging request to home networking gateway with certain time sequence by the S0 channel, and submits to self electrical equipment to get relevant information, carries out the adding login of the home network of electrical equipment.
(2) home networking gateway (10) is after the adding logging request and information of having accepted electrical equipment (200), send to electrical equipment as the electrical equipment registration form of responding the current home network that gateway is all, login electrical equipment is used for upgrading the registration electrical equipment table of own all networks with the electrical equipment registration form of the home network that receives, and gateway is sent the letter in reply that information has been received.The login of electrical equipment is finished.
(3) gateway can upgrade the registration form of current home network electrical equipment after receiving new electrical equipment login, and regular (for example per 10 seconds) send to this registration form in the electrical equipment that is connected with network.
(4) electrical equipment that is connected with network (200) not the power supply of tube body switch whether, the information of delivering letters that will automatically receive home networking gateway device (10) is upgraded the registration electrical equipment table of own all networks, and information has been received in expression to home networking gateway device (10) letter in reply.
(5) home networking gateway device (10) will be used from the answer of machine (200) and confirm that this device still is connected on the network.If certain electrical equipment is not answered the information of continuous 3 times electrical equipment registration form, judge that therefrom this electrical equipment has broken away from network, thereby will in the electrical equipment registration form, delete this electrical equipment.
(6) registered machine (200), network registration electrical equipment list will be expressed out on picture in the time of the power supply On of body.When selecting the electrical equipment and decision that will connect from list after, electrical equipment (200) uses the S0 channel to send connection request to home networking gateway device (10).
(7) home networking gateway device (10) behind the connection request that receives, calculates connection with required channel number and channel distribution with certain procedure, by the S0 channel channel number that distributes is delivered letters to the electrical equipment (200) of both sides.
(8) received the electrical equipment that connects the both sides of channel information and opened the modem module (6) of appointed channel section, just can directly connect between two electrical equipment thus.
(9) had two electrical equipment of direct interface channel, just as having connected cable between electrical equipment and the electrical equipment, automatically transmit necessary data link, carry out the channel setting that passes on (as up/descending used channel and transmission order etc.) of data by carrying out data between the certain procedure installation electrical equipment.
(10) when electrical equipment cuts off connection, the modem module (6) that only need automatically close the associated channel that continues gets final product.
(11) when a plurality of electrical equipment be same purposes when being connected with same electrical equipment simultaneously, for example a plurality of PC is same when utilizing the internet, each electrical equipment will be opened same modem module, shared one communication channel.The common occupation mode of communication channel is the CSMA/CA mechanism same with Ethernet.
[possibility of industrially using]
Domestic communication system is regarded as one of home environment that the omnipresent epoch of network must have and has very big potential market, and itself just very May become an industry. The present invention can be used by the industry of domestic communication system.
Power line household communications network system is because of the power line that utilizes in the existing family, and it is right not need new indoor circuit fortification not need Infrastructure is carried out big investment, with an AC plug can be easily within the family any place connect, be the most easy-to-use net The network system.
On the aspect of technology, present modem technology can have been realized the Data Modulation more than 1 to 15, at the band of 500kHz (for example, the modulation system of the used OFDM/DMT of VDSL on the present market is with 125 can to pass about 8Mbps message transmission rate on wide The carrier wave at individual 4kHz interval is at the Data Modulation of each carrier wave with 15bit). Therefore with conservative calculating, 1.5MHz-30MHz's Can realize the data transmission rate that 400Mbps is above on the frequency bandwidth. Therefore can imagine leading in the family of the overwhelming majority that obtains now Letter and entertainment applications can be utilized power line household communications network.
The progress of semiconducter IC technology may be on an IC chipset a plurality of modem module of aggregation and at one family Embed a plurality of plc communication modules in the communication network gateway, and can be built in family's distribution board.
Owing to take channel as unit communication channel is cut apart, in the mode that channel is multiplexing integration is carried out in a plurality of communication connections of different application, The incident that can use one domestic communication system to connect all electrical equipment gets possibility.
[simple declaration of accompanying drawing]
Fig. 1 be the present invention implement the time wiring schematic diagram of home gateway is set in the family power line distribution board.
The schematic diagram that constructed PLC household communication network system launched when Fig. 2 was the invention process.
Fig. 3 is the schematic diagram that time-frequency band of the invention process is cut apart.
The schematic diagram of the channel allocation of being undertaken by the purposes of communication when Fig. 4 is of the invention process.
When Fig. 5 is of the invention process the networking electrical equipment built-in PLC functions of modules schematic diagram.
The schematic diagram of a plurality of narrow-band high-speed modulator-demods in the built-in PLC module of networking electrical equipment when Fig. 6 is of the invention process.
The schematic diagram that data when Fig. 7 is of the invention process in the home networking gateway connect.
The schematic diagram of the CSMA/CA mechanism that the channel sharing collision prevented when Fig. 8 was of the invention process.。
The schematic diagram of the sequence that is access to registration and withdraws from of electrical equipment when Fig. 9 is the invention process.
[symbol description]
10: domestic communication system gateway, the center of home network.The connection of the communication link between the responsible safety cut-out electric power branch line and Network Management etc.
The 2:LPF=low pass filter; Intercept high-frequency communication signal along the leakage of power line to the outside
3:T1, T2 ..Tn=PLC module;
(safety cut-out that general family's distribution board loads is about 10 several front and back, so the number of the PLC module of home networking gateway device equipment is several for this also.)
The continue terminal module of circuit of the outside broadband the Internet of TO=;
Animated types such as the outside CATV of TS=are delivered letters and are served the terminal module of the circuit that continues;
The PLC module of TU=electric appliance built-in.
The 4:COM=control unit;
5:Hub-Switch=HubSwitch unit;
6: the PLC unit of electric appliance built-in;
7: the grouping/Knockdown block of data stream channels packet;
8: arrowband channel modem module;
50: the frequency range of channel;
51: the packet of channel; Packet like a kind of mac frame.
100: family's distribution board;
102: safety cut-out;
150: the distribution line in the family;
151: the AC plug Electricity Line of electrical equipment;
200 (200a, 200b, 200c): household appliances goods
200g, 200f: the terminal installation of the network of family outside.
Claims (6)
1. power line household communications network system, the architectural feature of its network is:
Power line communication gateway device (10) is set in family's distribution board (100), this gateway apparatus is at each safety cut-out (102,103, the branch line of output 104) (150) is gone up and is inserted the module (3) that low pass filter LPF (2) inserts power line communication then, so that the high-frequency signal link on each safety cut-out branch line is isolated each other fully, the blocking communication signal is by safety cut-out (102,103,104), make the following terminal branch line (150) of each safety cut-out respectively buy into a high frequency link of power line communication independently by oneself to upper end and outside leakage and prevent signal between each safety cut-out branch line and the crosstalking of noise; The connection of the digital signal between each power line communication link then thus in the gateway built-in two layers of line concentration switch (5) bear; Therefore being formed on has a plurality of independently power line communication links on the one family power line network, thereby realizes that actual effect power line communication HF communication link between each electrical equipment (200) has the purpose of the shortest propagation path.
2. power line household communications network system, its communication frequency utilization is characterised in that:
With power line communication can with the continuous wideband frequency band segments of tens of MHz wide areas be divided into several～dozens of has the channel of the arrowband (Narrow-Band) of fixed frequency band width, each arrowband channel is provided with independently modulating/demodulating device, can be used as independently, communication port uses, and the very characteristic of for each channel and the mode that application target can adopt the modulating/demodulating that has nothing in common with each other are to reach that each channel is operated in the condition that is fit to the most and the purpose that obtains the optimization high-speed data transfer of whole frequency band.
3. power line household communications network system, its feature also is:
On the basis of 2 described notions of claim, channel with the arrowband is that unit distributes needed communication bandwidth to communication object, be spliced into large-capacity data with a plurality of independently arrowbands channel and transmit passage, to reach the soft distribution that communicates the frequency band territory and the purpose of management.
4. power line household communications network system, its feature also is:
Utilize claim 2 or 3 described notions and means, with various electrical apparatus products network employed various communication format can be under the multiplexing mode of channel a shared power line network platform, to reach the purpose that various electrical apparatus products uses family's power line to network easily.
5. power line household communications network system, its feature also is:
The power line communication module that will include claim 2 or 3 described notions embeds in the electrical apparatus product, the power line communication data communication port and the appliance controller of electrical apparatus product are become one, only to reach the purpose that realizes the connection of the power supply of electrical equipment and communication network with a power-line plug.
6. power line household communications network system, its feature also is:
Utilize 2 described notions of claim, the communication channel that independently is exclusively used in network management is set, make the network management channel be independent of network service and make network management information not be subjected to the influence of network traffic flow with channel, trust the purpose of stable network management to reach height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710141470XA CN101373991A (en) | 2007-08-21 | 2007-08-21 | Power line household communications network system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710141470XA CN101373991A (en) | 2007-08-21 | 2007-08-21 | Power line household communications network system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101373991A true CN101373991A (en) | 2009-02-25 |
Family
ID=40447956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710141470XA Pending CN101373991A (en) | 2007-08-21 | 2007-08-21 | Power line household communications network system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101373991A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140355610A1 (en) * | 2013-05-31 | 2014-12-04 | Qualcomm Incorporated | Switched power line communication |
| CN105450261A (en) * | 2015-12-04 | 2016-03-30 | 国网浙江省电力公司绍兴供电公司 | Wide-band communication method with high anti-interference performance for medium-voltage power distribution network underground power line |
| CN103595596B (en) * | 2012-08-14 | 2016-12-21 | 海尔集团公司 | Internet of things home appliance interacted system based on PLC |
| CN107800463A (en) * | 2016-09-02 | 2018-03-13 | 富士施乐株式会社 | signal transmission apparatus and image forming apparatus |
| CN108548268A (en) * | 2018-03-02 | 2018-09-18 | 珠海格力电器股份有限公司 | Communication frequency band switching method, air-conditioning system and the air-conditioning equipment of air-conditioning system |
| CN109690896A (en) * | 2016-09-08 | 2019-04-26 | 阿尔卡特朗讯 | Circuit-breaker for power line communication |
| CN110365562A (en) * | 2019-08-29 | 2019-10-22 | 青岛东软载波科技股份有限公司 | A kind of wisdom family interactive terminal based on HPLC communication with gateway function |
| CN113271122A (en) * | 2021-04-28 | 2021-08-17 | 厦门盈趣科技股份有限公司 | Track power supply comprising pure low-voltage power line carrier transmission network |
| CN113507299A (en) * | 2021-09-09 | 2021-10-15 | 北京智芯微电子科技有限公司 | Circuit breaker device and distribution station communication system |
-
2007
- 2007-08-21 CN CNA200710141470XA patent/CN101373991A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595596B (en) * | 2012-08-14 | 2016-12-21 | 海尔集团公司 | Internet of things home appliance interacted system based on PLC |
| US20140355610A1 (en) * | 2013-05-31 | 2014-12-04 | Qualcomm Incorporated | Switched power line communication |
| CN105450261A (en) * | 2015-12-04 | 2016-03-30 | 国网浙江省电力公司绍兴供电公司 | Wide-band communication method with high anti-interference performance for medium-voltage power distribution network underground power line |
| CN107800463A (en) * | 2016-09-02 | 2018-03-13 | 富士施乐株式会社 | signal transmission apparatus and image forming apparatus |
| CN107800463B (en) * | 2016-09-02 | 2021-07-02 | 富士胶片商业创新有限公司 | Signal transmission apparatus and image forming apparatus |
| CN109690896A (en) * | 2016-09-08 | 2019-04-26 | 阿尔卡特朗讯 | Circuit-breaker for power line communication |
| CN108548268A (en) * | 2018-03-02 | 2018-09-18 | 珠海格力电器股份有限公司 | Communication frequency band switching method, air-conditioning system and the air-conditioning equipment of air-conditioning system |
| WO2019165821A1 (en) * | 2018-03-02 | 2019-09-06 | 珠海格力电器股份有限公司 | Method for switching communication frequency band of air conditioning system, air conditioning system and air conditioning device |
| CN110365562A (en) * | 2019-08-29 | 2019-10-22 | 青岛东软载波科技股份有限公司 | A kind of wisdom family interactive terminal based on HPLC communication with gateway function |
| CN113271122A (en) * | 2021-04-28 | 2021-08-17 | 厦门盈趣科技股份有限公司 | Track power supply comprising pure low-voltage power line carrier transmission network |
| CN113507299A (en) * | 2021-09-09 | 2021-10-15 | 北京智芯微电子科技有限公司 | Circuit breaker device and distribution station communication system |
| CN113507299B (en) * | 2021-09-09 | 2022-01-18 | 北京智芯微电子科技有限公司 | Circuit breaker device and distribution station communication system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101373991A (en) | Power line household communications network system | |
| Sharma et al. | Power-line communications for smart grid: Progress, challenges, opportunities and status | |
| US8848725B2 (en) | Network combining wired and non-wired segments | |
| CA2620718C (en) | Power supply and communication system for a passenger plane | |
| JP2008529355A (en) | Power line network bridge | |
| US20160014085A1 (en) | Systems and methods of data transmission and management | |
| JP2007019618A (en) | Device and method for transmission and reception enabling systems to coexist together | |
| WO2007011516A1 (en) | Coupling communications signals to underground power lines | |
| Pinomaa et al. | PLC concept for LVDC distribution systems | |
| US20020186699A1 (en) | System and method for providing high-speed communications access over an electrical network | |
| CN107483436A (en) | A kind of physical layer dual-mode design method of communication module in Internet of Things | |
| CN102710475A (en) | Free-throw line Modem and bus type multi-medium multi-point networking broadband network thereof | |
| JP3133620U (en) | Power line home network system | |
| CN101345593A (en) | Centralized-monitoring overlapping system network and its multisystem access device | |
| US9054787B2 (en) | Method and apparatus for alignment in neighboring networks | |
| CN101478504B (en) | Multimedia house gateway and method for implementing conversion between signals of optical cable and coaxial electric cable | |
| CN106961290A (en) | I type concentrator bandwidth carrier communication modules based on high-performance carrier Control technology | |
| CN103916161A (en) | Power line based communication method, apparatus and system | |
| CN201248140Y (en) | Centralization monitoring shrouding system network and multisystem access device thereof | |
| Koch | Power line communications and hybrid systems for home networks | |
| CN103701674B (en) | Power line device cut-in method, power line device and electronic equipment | |
| CN202602674U (en) | Any wire modulator-demodulator (Modem) | |
| Berger et al. | Current power line communication systems: A survey | |
| KR101174133B1 (en) | Power line communication access point, PLC cabinet panel using the same, and PLC system using the PLC access point | |
| CN106961291A (en) | Single-phase meter bandwidth carrier communication module based on high-performance carrier Control technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090225 |