CN103905090A - Power line communication equipment and power line communication method - Google Patents

Power line communication equipment and power line communication method Download PDF

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Publication number
CN103905090A
CN103905090A CN201210584885.5A CN201210584885A CN103905090A CN 103905090 A CN103905090 A CN 103905090A CN 201210584885 A CN201210584885 A CN 201210584885A CN 103905090 A CN103905090 A CN 103905090A
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power line
signal
interface
line communications
serial bus
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CN201210584885.5A
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CN103905090B (en
Inventor
张�荣
王作强
卢燕青
陆立
何峣
杨敏维
贾聿庸
朱先飞
黎艳
郭茂文
郭建昌
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Abstract

The invention discloses a piece of power line communication equipment and a power line communication method, and relates to the field of terminals. The power line communication equipment comprises a power line communication interface, a universal serial bus interface and a signal coupling unit. The power line communication interface is connected with the signal coupling unit and is used for transmitting a signal to the signal coupling unit. The signal coupling unit is used for coupling or decoupling the signal. The universal serial bus interface is used for supplying power to the power line communication equipment. According to the invention, weak power supply is carried out based on the USB interface. On one hand, compared with strong power supply, power consumption of the equipment can be reduced, fewer transformers are required, the device cost is reduced, the product size is reduced, the difficulty in wiring design is reduced, the access threshold for equipment design and production is lowered, and the rise of the power line communication market is benefited. On the other hand, power supply interfaces are separated and an information interface is independently arranged, conductive interference on the power line communication interface is reduced, and the equipment can easily meet the electromagnetic compatibility certification requirements.

Description

Power line communications apparatus and method
Technical field
The present invention relates to terminal field, particularly a kind of power line communications apparatus and method.
Background technology
G.hn technology is a kind of indoor connected network communication technology that can transmit on telephone wire, coaxial cable, three kinds of media of power line, also referred to as " based on wired networking technology of general medium ".
G.hn power line communications apparatus is iTV and FTTH(Fiber to the Home, and Fiber to the home) etc. business convenient and swift home networking scheme is provided.ITV business, taking broadband network as channel, taking television set as display terminal, integrates the Internet, multimedia, mechanics of communication, for user provides program request, the interactive video service such as live, is brand-new broad band value-added service.
But traditional two powerline adapters of the many employings of power line communication, by indoor power interface power supply, are coupled by this power interface or separate coupling signal simultaneously, local configuration device adopts the mode of WEB webmaster more simultaneously.There is following problem in current power line technology:
First, owing to adopting forceful electric power directly to power, need in equipment, realize transformer, increase device cost and equipment volume, also increase the difficulty of circuit design simultaneously;
Secondly, information interface and power supply interface unification have increased conducted interference, make this kind equipment be not suitable for requiring to authenticate according to the Electro Magnetic Compatibility of conventional information equipment (Electro Magnetic Compatibility is called for short EMC);
Finally, user need to do some to power line communications apparatus and simply configure, but the mode of local network management allows some users use or more complicated at present, and a lot of users do not understand use local network management.
Summary of the invention
An embodiment of the present invention technical problem to be solved is: solve information interface and power supply interface unification in conventional powerline communication equipment, increased the problem of conducted interference.
The embodiment of the present invention another technical problem to be solved is: solve forceful electric power power supply in conventional powerline communication equipment and need in equipment, realize transformer, the problem that causes device cost, equipment volume and circuit design difficulty to increase.
The embodiment of the present invention another technical problem to be solved is: solve in conventional powerline communication equipment for the user who does not understand local network management mode equipment control and the complicated problem of configuration.
An aspect of the embodiment of the present invention provides a kind of power line communications apparatus, comprising:
Power line communications interface, USB (universal serial bus), signal coupling unit; Power line communications interface is connected with signal coupling unit; Power line communications interface is used for transmitting signal to signal coupling unit, and signal coupling unit is for signal is coupled or decoupling zero, and USB (universal serial bus) is used to power line communications apparatus power supply.
Described USB (universal serial bus) is also for transmitting Ethernet data.
Described power line communications apparatus also comprises: digital signal interface circuit and logic control processor; Digital signal interface circuit andlogic control processor is connected respectively with USB (universal serial bus); Digital signal interface circuit is for realizing the conversion of local signal and Ethernet data.
Described power line communications apparatus also comprises: signal sending circuit, signal receiving circuit, modulating and demodulating signal unit; Signal coupling unit is connected respectively with signal sending circuit and signal receiving circuit, and modulating and demodulating signal unit is connected respectively with signal sending circuit and signal receiving circuit; Modulating and demodulating signal unit is for modulating or demodulation signal.
Described power line communications apparatus also comprises: Ethernet interface, Ethernet interface is used for transmitting Ethernet data.
Described power line communications apparatus also comprises: flash memory, in flash memory, increase facility management client, and for automatic loading, and be presented at computer status bar at default setting with Link State icon, so that the configuration of response user clicking operation display parameters.
Described facility management client is also for issuing configuration information to each node, and confirming that each node all receives and carry out after configuration information, unified configuration information come into force.
Another aspect of the embodiment of the present invention provides a kind of power line communication method, comprising: power line communications interface and USB (universal serial bus) are set in power line communications apparatus; Upload to power line the number of delivering letters by power line communications interface; Be power line communications apparatus power supply by USB (universal serial bus).
Described power line communication method also comprises: transmit Ethernet data by USB (universal serial bus).
Described power line communication method also comprises: in flash memory, increase facility management client, facility management client issues configuration information to each node, and all receives and carry out after configuration information at each node of confirmation, and unification comes into force configuration information.
The present invention by arranging power line communications interface and USB (universal serial bus) in power line communications apparatus, power line communications interface only transmits signal, be that power line communications apparatus is carried out weak power supply based on USB (universal serial bus), on the one hand, can reduce equipment power dissipation with respect to strong power supply, save transformer, reduce device cost, shorten product sizes, reduce the difficulty of wires design, reduce the access threshold that equipment design is produced, being conducive to power line communication market rises, on the other hand, separate power supply interface, make information interface independent, reduce the conducted interference on power line communications interface, equipment easily reaches Electro Magnetic Compatibility authentication requesting.
In addition, USB (universal serial bus) can also be transmitted Ethernet data in power supply, has improved the data transfer bandwidth of power line communications apparatus.The network interface of the information equipments such as most PC is 10/100Mbps interface, flank speed is limited in 100Mbps, and the speed of G.hn technology on power line can be up to 400Mbps, USB2.0 interface rate can reach 480Mbps, therefore, utilize USB interface transmission Ethernet data can better bring into play the characteristic that G.hn connects at a high speed.
In addition, in power line communications apparatus, realize the function of facility management client, made equipment be convenient to management and configuration.
By the detailed description to exemplary embodiment of the present invention referring to accompanying drawing, it is clear that further feature of the present invention and advantage thereof will become.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of an embodiment of power line communications apparatus of the present invention.
Fig. 2 is the structural representation of another embodiment of power line communications apparatus of the present invention.
Fig. 3 is the schematic flow sheet of an embodiment of power line communication method of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Unless illustrate in addition, otherwise the parts of setting forth in these embodiments and positioned opposite, numeral expression formula and the numerical value of step not limited the scope of the invention.
, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not to draw according to actual proportionate relationship meanwhile.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in suitable situation, described technology, method and apparatus should be regarded as authorizing a part for specification.
In all examples with discussing shown here, it is exemplary that any occurrence should be construed as merely, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: in similar label and letter accompanying drawing below, represent similar terms, therefore, once be defined in an a certain Xiang Yi accompanying drawing, in accompanying drawing subsequently, do not need it to be further discussed.
Fig. 1 is the structural representation of an embodiment of power line communications apparatus of the present invention.
As shown in Figure 1, the power line communications apparatus 10 of this embodiment comprises: power line communications interface 11, USB (Universal Serial Bus is called for short USB) interface 12, signal coupling unit 13; Power line communications interface 11 is connected with signal coupling unit 13, and power line communications interface 11 separates with USB (universal serial bus) 12; Power line communications interface 11 is for transmitting signal to signal coupling unit 13, and signal coupling unit 13 is for signal is coupled or decoupling zero, and USB (universal serial bus) 12 is used to power line communications apparatus power supply.Carry out weak power supply based on USB (universal serial bus) 12 for power line communications apparatus.
Wherein, the light current providing in the present invention is 5V(volt), the forceful electric power providing in prior art is 220V.
In the prior art, the function of communication interface and power interface is altogether, use be all power interface, power interface is for signal transmission and power supply.In the present invention, still can use power interface to realize for the power line communications interface 11 of signal transmission, but power supply is used usb 12 to realize.
Above-described embodiment, by power line communications interface and USB (universal serial bus) are set in power line communications apparatus, power line communications interface only transmits signal, be that power line communications apparatus is carried out weak power supply based on USB (universal serial bus), on the one hand, can reduce equipment power dissipation with respect to strong power supply, the fail safe that increase equipment uses, save the devices such as transformer, reduce device cost, shorten product sizes, reduce the difficulty of wires design, reduce the access threshold that equipment design is produced, being conducive to power line communication market rises, on the other hand, separate power supply interface, make information interface independent, reduce the conducted interference on power line communications interface, equipment easily reaches Electro Magnetic Compatibility authentication requesting.
Further, USB (universal serial bus) 12 can also be used for transmitting Ethernet data in power supply, thereby has improved the data transfer bandwidth of power line communications apparatus.The network interface of the information equipments such as most PC is 10/100Mbps interface, flank speed is limited in 100Mbps, and the speed of G.hn technology on power line can be up to 400Mbps, USB2.0 interface rate can reach 480Mbps, therefore, utilize USB interface transmission Ethernet data can better bring into play the characteristic that G.hn connects at a high speed.
Fig. 2 is the structural representation of another embodiment of power line communications apparatus of the present invention.
As shown in Figure 2, the power line communications apparatus of this embodiment can also comprise: digital signal interface circuit 14 and logic control processor 15; Digital signal interface circuit 14 andlogic control processors 15 are connected respectively with USB (universal serial bus) 12; Digital signal interface circuit 14 outputs to the conversion of Ethernet data interface or USB interface and is converted to from Ethernet interface or USB interface input data the communication digital signal that power line transmits for realizing power line digital signal.Logic control processor 15 is specifically as follows G.hn logic control processor, has been mainly used in the logic control of G.hn protocol communication.
As shown in Figure 2, the power line communications apparatus of this embodiment can also comprise: signal sending circuit 16, signal receiving circuit 17, modulating and demodulating signal unit 18; Signal coupling unit 13 is connected respectively with signal sending circuit 16 and signal receiving circuit 17, and modulating and demodulating signal unit 18 is connected respectively with signal sending circuit 16 and signal receiving circuit 17; Modulating and demodulating signal unit 18 is for modulating or demodulation signal; Signal sending circuit 16 is for transmitted signal; Signal receiving circuit 17 is for receiving signal.
As shown in Figure 2, the power line communications apparatus of this embodiment can also comprise: Ethernet interface 19, Ethernet interface 19 is for transmitting Ethernet data.This Ethernet interface is optional, if there is no Ethernet interface, can use USB (universal serial bus) 12 to transmit Ethernet data.Ethernet interface can be for example RJ45 interface etc., but is not limited to this.
As shown in Figure 2, the power line communications apparatus of this embodiment can also comprise: flash memory 20, in flash memory 20, increase facility management client, can automatically load, and be presented at computer status bar at default setting with Link State icon, user can click Link State icon, the configuration of facility management client response user clicking operation display parameters.
Facility management client can realize " some configuration, multiple spot is carried out " function.Particularly, facility management client can also be used for issuing configuration information to each node, and all receives and carry out after configuration information at each node of confirmation, and unification comes into force configuration information.Wherein, facility management client can issue configuration information by each node of chain road direction based on having set up according to MAC Address.Configuration information can be for example coded communication information etc.
Above-described embodiment has been realized the function of facility management client in power line communications apparatus, makes equipment be convenient to management and configuration.
Fig. 3 is the schematic flow sheet of an embodiment of power line communication method of the present invention.As shown in Figure 3, the power line communication method of this embodiment comprises:
S31 arranges power line communications interface and general-purpose serial bus USB interface in power line communications apparatus.
S32, uploads to power line the number of delivering letters by power line communications interface, can adopt the power interface form of standard.
S33 is power line communications apparatus power supply by USB (universal serial bus).Be that power line communications apparatus is carried out weak power supply based on USB (universal serial bus).
Above-described embodiment, by power line communications interface and USB (universal serial bus) are set in power line communications apparatus, power line communications interface only transmits signal, be that power line communications apparatus is carried out weak power supply based on USB (universal serial bus), on the one hand, can reduce equipment power dissipation with respect to strong power supply, the fail safe that increase equipment uses, save transformer, reduce device cost, shorten product sizes, reduce the difficulty of wires design, reduce the access threshold that equipment design is produced, being conducive to power line communication market rises, on the other hand, separate power supply interface, make information interface independent, reduce the conducted interference on power line communications interface, equipment easily reaches Electro Magnetic Compatibility authentication requesting.
Further, the power line communication method of this embodiment also comprises: in power supply, transmit Ethernet data by USB (universal serial bus), thereby improved the data transfer bandwidth of power line communications apparatus.The network interface of the information equipments such as most PC is 10/100Mbps interface, flank speed is limited in 100Mbps, and the speed of G.hn technology on power line can be up to 400Mbps, USB2.0 interface rate can reach 480Mbps, therefore, utilize USB interface transmission Ethernet data can better bring into play the characteristic that G.hn connects at a high speed.
Further, the power line communication method of this embodiment also comprises: the signal that power line communications interface is transmitted is coupled or decoupling zero, then can also modulate or demodulation signal.
Further, the power line communication method of this embodiment also comprises: in flash memory, increase facility management client, facility management client can load automatically, and be presented at computer status bar at default setting with Link State icon, user can click Link State icon, the configuration of facility management client response user clicking operation display parameters.Facility management client can also issue configuration information to each node, and all receives and carry out after configuration information at each node of confirmation, and unification comes into force configuration information.
Above-described embodiment has been realized the function of facility management client in power line communications apparatus, makes equipment be convenient to management and configuration.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can carry out the hardware that instruction is relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. a power line communications apparatus, comprising: power line communications interface, USB (universal serial bus), signal coupling unit; Power line communications interface is connected with signal coupling unit; Power line communications interface is used for transmitting signal to signal coupling unit, and signal coupling unit is for signal is coupled or decoupling zero, and USB (universal serial bus) is used to power line communications apparatus power supply.
2. equipment according to claim 1, is characterized in that, described USB (universal serial bus) is also for transmitting Ethernet data.
3. equipment according to claim 1, is characterized in that, also comprises:
Digital signal interface circuit and logic control processor; Digital signal interface circuit andlogic control processor is connected respectively with USB (universal serial bus); Digital signal interface circuit is for realizing the conversion of local signal and Ethernet data.
4. equipment according to claim 1, is characterized in that, also comprises:
Signal sending circuit, signal receiving circuit, modulating and demodulating signal unit; Signal coupling unit is connected respectively with signal sending circuit and signal receiving circuit, and modulating and demodulating signal unit is connected respectively with signal sending circuit and signal receiving circuit; Modulating and demodulating signal unit is for modulating or demodulation signal.
5. equipment according to claim 1, is characterized in that, also comprises: Ethernet interface, Ethernet interface is used for transmitting Ethernet data.
6. equipment according to claim 1, is characterized in that, also comprises:
Flash memory increases facility management client in flash memory, for automatic loading, and is presented at computer status bar at default setting with Link State icon, so that the configuration of response user clicking operation display parameters.
7. equipment according to claim 6, is characterized in that,
Described facility management client is also for issuing configuration information to each node, and confirming that each node all receives and carry out after configuration information, unified configuration information come into force.
8. a power line communication method, comprising: power line communications interface and USB (universal serial bus) are set in power line communications apparatus;
Upload to power line the number of delivering letters by power line communications interface;
Be power line communications apparatus power supply by USB (universal serial bus).
9. method according to claim 8, is characterized in that, also comprises: transmit Ethernet data by USB (universal serial bus).
10. method according to claim 8, it is characterized in that, also comprise: in flash memory, increase facility management client, facility management client issues configuration information to each node, and all receive and carry out after configuration information at each node of confirmation, unification comes into force configuration information.
CN201210584885.5A 2012-12-28 2012-12-28 Power line communications apparatus and method Active CN103905090B (en)

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CN108270468A (en) * 2017-01-03 2018-07-10 联阳半导体股份有限公司 Power line communication terminal device and power line communication system

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CN108270468A (en) * 2017-01-03 2018-07-10 联阳半导体股份有限公司 Power line communication terminal device and power line communication system

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