CN203313213U - Power line carrier multi-media high-speed broadband Internet terminal device - Google Patents

Power line carrier multi-media high-speed broadband Internet terminal device Download PDF

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Publication number
CN203313213U
CN203313213U CN2013200397479U CN201320039747U CN203313213U CN 203313213 U CN203313213 U CN 203313213U CN 2013200397479 U CN2013200397479 U CN 2013200397479U CN 201320039747 U CN201320039747 U CN 201320039747U CN 203313213 U CN203313213 U CN 203313213U
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China
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interface
signal
power line
ethernet
power
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CN2013200397479U
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Inventor
李晓东
蔡震
刘武
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Core Communication Co., Ltd.
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SHANGHAI PROSPER TECHNOLOGIES Co Ltd
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Abstract

The utility model relates to the field of power line, telephone wire and coaxial line carrier communication equipment, and discloses a power line carrier multi-media high-speed broadband Internet terminal device. In the power line carrier multi-media high-speed broadband Internet terminal device of the utility model, by receiving a network digital signal from an Ethernet interface, the network digital signal is converted into an analog signal and outputted to a power line carrier interface, a telephone wire interface or a coaxial line interface; or by receiving the analog signal from the power line carrier interface, the telephone wire interface or the coaxial line interface, the analog signal is converted into the network digital signal and outputted to the Ethernet interface, the signal is loaded onto the telephone wire, the coaxial line and the power line, and high-speed Internet communication of dual-line media, such as the telephone wire, the coaxial line, the power line, etc., and the Ethernet line can be realized. Communications are performed on the above-mentioned transmission media by using an unified signal carrier frequency, so signal conflict and signal coupling problems generated when performing communications by adopting the power line, the telephone wire and the coaxial line can be solved.

Description

Many media of power line carrier high-speed wideband interconnecting terminal device
Technical field
The utility model relates to power line, telephone wire, coaxial line carrier communication equipment field, particularly many media of power line carrier high-speed wideband interconnecting terminal device.
Background technology
Fast development along with Chinese national economy, the significantly raising of living standards of the people, Modern Family generally all can access high definition video network, telephone line network and broadband network, but there is contradiction in Modern Family's finishing in the home network of modern light velocity network, applying:
1, being mainly used on television set of high-definition network video, do not have netting twine and television set is other, only has coaxial line and power line.
2, the application of VOIP needs network, may only have telephone wire in the place that is applicable to the electric discharge phone, may there is no power line and netting twine
Ask condition for traditional network equipment for above two kinds, in the situation that have wiring can't solve the transmission problem of broadband HD video.
In addition, for some families, due to the development of information technology and the upgrading of network, originally coaxial line, telephone wire do not re-use, as simulated television, changed Web TV (IPTV) into, analog telephone changes the networking telephone (VOIP) etc. into, is a reality and rising technology for discarded coaxial line and the efficient recycling of telephone wire.
Yet there are following limitation in telephone wire, coaxial line, power line communication technology at present:
1, power line carrier communication terminal installation (Power Line Communication) is called for short " PLC ") can only rely on power line transmission data, and the electric equipment on power line is complicated, disturb numerously, in particular surroundings, can't meet the requirement of communication bandwidth and communication distance.
2, be carried in (the Asymmetric Digital Subscriber Line of the main ADSL (Asymmetric Digital Subscriber Line) of carrier communication mode on telephone wire, be called for short " ADSL ") mode, this technology limited bandwidth, cost is higher, be not suitable for the use in the family broadband, particularly, in the application of current family HD video, can't bring into play its potentiality.
3, the use of family coaxial cable is except being limited to watching of cable TV, also in the cable television network transformation that carry out some areas, the mode of transmitting ether data (Ethernet over Coax is called for short " EOC ") by coaxial cable has accessed the family broadband, is bringing into play more effect.
Therefore, no matter be old-fashioned house or newly fit up house, no matter basic local-style dwelling houses or Deluxe villa, finishing once always can not solve the requirement of all network Developments, under particularly the broadband of the broadband network in light velocity epoch and HD video requires, need more fast more quick, needn't through wallsly hole, needn't the broadband signal problem of rewiring with regard to solving.
According to reality, integrate all utilizable broadband resource in family, meet broadband in family and require, reduce the total amount of electromagnetic radiation in family, reduce the use of wireless network as far as possible, but, adopt power line carrier communication, coaxial line carrier communication, line carrier wave communication inevitably to there will be the problem of signal conflict and signal coupling in power line, telephone wire, coaxial line.
The utility model content
The purpose of this utility model is to provide a kind of many media of power line carrier high-speed wideband interconnecting terminal device, has solved signal conflict and signal coupling problem while adopting power line, telephone wire, coaxial line to communicate.
For solving the problems of the technologies described above, execution mode of the present utility model provides a kind of many media of power line carrier high-speed wideband interconnecting terminal device, comprises: external interface, power supply and Signal Exchange Processing device; Described power supply is connected with described external interface with the Signal Exchange Processing device;
Wherein, described external interface comprises: Ethernet interface and with any one or combination in any in lower interface: power line carrier interface, telephone line interface and coaxial line interface; Described telephone line interface is connected any cable with two call wires with the coaxial line interface;
Described power supply and Signal Exchange Processing device receive the network digital signal from described Ethernet interface, convert the network digital signal to analog signal, and export to any one or the interface of combination in any in lower interface: described power line carrier interface, described telephone line interface and described coaxial line interface; Perhaps,
Described power supply and Signal Exchange Processing device receive the analog signal from the interface of any one or combination in any with in lower interface: described power line carrier interface, described telephone line interface and described coaxial line interface, and analog signal conversion is become to the network digital signal, and export described Ethernet interface to.
The utility model execution mode in terms of existing technologies, by receiving the network digital signal from Ethernet interface, converts the network digital signal to analog signal, and exports power line carrier interface, telephone line interface or coaxial line interface to; Perhaps receive the analog signal from power line carrier interface, telephone line interface or coaxial line interface, analog signal conversion is become to the network digital signal, and export Ethernet interface to, can, by signal loading on telephone wire, coaxial line, telephone wire, realize telephone wire, coaxial line, power line and mutual communication thereof.Because electrical characteristic and characteristics of signals on telephone wire, coaxial line and power line transmission medium are different, can't direct interconnection between different transmission mediums, and produce signal conflict, affect normal signal and transmit.The utility model provides a kind of transmission medium coupling process and circuit of novelty, and signal conflict and signal coupling problem while using unified signal(-) carrier frequency implements communication on above-mentioned transmission medium to solve to adopt power line, telephone wire, coaxial line to communicate, and realized the high speed interconnected communication of the two-wire media such as power line, telephone wire, coaxial line, ethernet line.
In addition, described power supply and Signal Exchange Processing device comprise: signal coupling unit, CPU;
Described signal coupling unit is connected with described CPU, and is connected with any one or combination in any in described power line carrier interface, described telephone line interface, described coaxial line interface;
Described CPU is connected with described Ethernet interface.
By the signal coupling mode, improve the transmission of signal between Ethernet, power line network, telephone line network and coaxial line network, can further solve signal conflict and signal coupling problem while adopting power line, telephone wire, coaxial line to communicate.
In addition, described CPU comprises: modulation /demodulation central authorities process subelement, signal is processed subelement, Ethernet processing subelement, Flash memory, Memory memory;
Described Ethernet is processed subelement and is processed the signal received from described Ethernet interface, and carries out the conversion between the data of ethernet signal and described adjustment demodulation central authorities processing subelement;
The central subelement of processing of described modulation /demodulation is encoded or is decoded signal, and coordinates the operating state between each module; The central subelement of processing of described modulation /demodulation directly connects described Flash memory and described Memory memory;
Described Flash memory is for storing central operating system and the running parameter of processing subelement of described modulation /demodulation, and described Memory memory is processed for described modulation /demodulation is central after subelement starts required dynamic data storage space is provided;
The front end that described signal is processed subelement directly connects described signal coupling circuit, and rear end directly connects the central subelement of processing of described modulation /demodulation, carries out the analog to digital-digital to analog converter between front end analog signal and rear end digital signal.
Pass through modulation-demodulation technique, according to can be in the character of signal band, amplitude characteristics and the former application signal of power line, telephone wire, coaxial line transmission, the frequency band that selection can be used jointly and amplitude, on the basis that does not affect former application, carry out the signal transmission, can realize comprehensive covering of home network.
In addition, described power supply and Signal Exchange Processing device also comprise: the safe isolated location of power line;
The safe isolated location of described power line is connected with described signal coupling unit with described power line carrier interface respectively.
Adopt the safe isolated location of power line, the forceful electric power in the isolated preceding-terminal power line network and the utility model internal circuit, protection interior arrangement are avoided outside forceful electric power and are disturbed, and meet the communication bandwidth of employing power line carrier communication and the requirement of communication distance.
In addition, described signal coupling unit is a coupling transformer;
Described coupling transformer consists of at least a magnet ring and two group windings, and the interior value of frequency range that the frequency response parameter is the signal transmission of described many media of power line carrier interconnecting terminal device is set;
Each group winding is formed around magnet ring by insulated conductor independently, wherein two taps in one group of winding are connected to two taps in described CPU, other windings and are connected respectively to corresponding in the safe isolated location of described power line or described external interface, and two taps of each winding only connect an interface circuit in described external interface.
By transformer coupled, the signal of telephone wire, coaxial line, power line is intercoupled, transmits, because each group winding of coupling transformer is all insulation isolation, so the outer electric power composition of the direct current composition in any one network or frequency range can not be coupled in other network.
In addition, the safe isolated location of described power line comprises: input, fuse, piezo-resistance and safety electric capacity;
Described input has two lines, respectively with described power line carrier interface in live wire and zero line, perhaps positive pole is connected with negative pole, the described fuse of connecting, described piezo-resistance in parallel, and on two lines, after serial connection safety electric capacity, be connected in two taps of winding in described coupling transformer respectively; Described safety electric capacity is to the signal in the described frequency range of transparent transmission, signal and the voltage of isolated other frequencies, and exceeded while loading disconnection institute connecting circuit when external circuit.
The safe isolated location of power line adopts fuse, carries out overcurrent protection; Adopt piezo-resistance, carry out overvoltage protection; Adopt forceful electric power and the back-end circuit of safety Capacitor apart front end, realize protection internal circuit of the present utility model, meet the purpose of the requirement of the communication bandwidth of power line carrier communication and communication distance.
In addition, described power supply and Signal Exchange Processing device also comprise high pressure resistant electric capacity, are serially connected between the winding in described telephone line interface or described coaxial line interface and described coupling transformer.Adopt the flip-flop in high pressure resistant Capacitor apart telephone wire/twisted-pair feeder or coaxial line network, can avoid the load power source impact in external network by the guard signal coupling unit.
In addition, also comprise: Power supply interface and power supply processing circuit; Described Power supply interface and described power line carrier interface are referred to as power interface;
Described power supply processing circuit is connected with the Signal Exchange Processing device with described power supply with described power interface respectively, will be at least one group of required DC power supply of described Signal Exchange Processing device from the power source transition of described power interface input; The power supply of described input is AC power, or DC power supply.
By power supply processing circuit, provide the required various supplies of electric power of internal circuit in device of the present utility model, make this device adapt to various outside input powers, be convenient for people to use, be convenient to the popularization of product.
In addition, described telephone line interface connects telephone wire or general twisted-pair power cable network, connects at least one telephone wire or twisted-pair feeder network interface;
Described coaxial line interface connects common coaxial line network, connects at least one coaxial line network interface;
Described Ethernet interface connects Ethernet, connects at least one Ethernet interface.
By at telephone line interface, coaxial line interface, Ethernet interface, connecting respectively a plurality of telephone wires or twisted-pair feeder network interface, coaxial line network interface, Ethernet interface, can realize the interconnected of arbitrary network, further realize comprehensive covering of home network.
The accompanying drawing explanation
Fig. 1 is the schematic diagram according to many media of power line carrier interconnecting terminal device of the utility model one preferred embodiments;
Fig. 2 is the schematic diagram that many media of power line carrier interconnecting terminal device connects two coaxial interfaces;
Fig. 3 is the structural representation of power supply and Signal Exchange Processing device;
Fig. 4 is the structural representation of CPU;
Fig. 5 is the schematic diagram of Ethernet processing unit circuit;
Fig. 6 is the graphical diagram of signal coupling unit;
Fig. 7 is the structural representation of signal coupling unit;
Fig. 8 is the safe isolated location schematic diagram of power line;
Fig. 9 is the signal isolation schematic diagram between telephone line interface or coaxial line interface and signal coupling unit;
Figure 10 is the schematic diagram of power supply processing circuit.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, each execution mode of the present utility model is explained in detail.Yet, persons of ordinary skill in the art may appreciate that in each execution mode of the utility model, in order to make the reader understand the application better, many ins and outs have been proposed.But, even without these ins and outs with based on many variations and the modification of following each execution mode, also can realize each claim of the application technical scheme required for protection.
Execution mode of the present utility model relates to a kind of many media of power line carrier interconnecting terminal device, and this device comprises external interface, power supply and Signal Exchange Processing device, and power supply is connected with external interface with the Signal Exchange Processing device, as shown in Figure 1.Power supply and Signal Exchange Processing device receive the network digital signal from Ethernet interface, convert the network digital signal to analog signal, and export other external interfaces to; Perhaps, power supply and Signal Exchange Processing device receive the analog signal from other external interfaces, analog signal conversion is become to the network digital signal, and export Ethernet interface to.In the utility model, pass through modulation-demodulation technique, according to can be in the character of signal band, amplitude characteristics and the former application signal of power line, telephone wire, coaxial line transmission, the frequency band that selection can be used jointly and amplitude, on the basis that does not affect former application, carry out the signal transmission, according to the characteristics of circuit, select suitable frequency, and arrange by software.And improve the coupling process of signal, and by transformer coupled, the signal of telephone wire, coaxial line, power line is intercoupled, transmits, realize telephone wire, coaxial line, power line and mutual communication thereof.Because electrical characteristic and characteristics of signals on telephone wire, coaxial line and power line transmission medium are different, can't direct interconnection between different transmission mediums, and produce signal conflict, affect normal signal and transmit.The utility model provides a kind of transmission medium coupling process and circuit of novelty, and signal conflict and signal coupling problem while using unified signal(-) carrier frequency implements communication on above-mentioned transmission medium to solve to adopt power line, telephone wire, coaxial line to communicate, and realized the high speed interconnected communication of the two-wire media such as power line, telephone wire, coaxial line, ethernet line.
Wherein, external interface comprises: Ethernet interface and with any one or combination in any in lower interface: power line carrier interface, telephone line interface and coaxial line interface.Specifically, external interface is power interface 101, telephone line interface 102, coaxial line interface 103, Ethernet interface 104, and wherein power interface provides Power supply interface and power line carrier interface.Telephone line interface connects telephone wire or general twisted-pair power cable network, connects at least one telephone wire or twisted-pair feeder network interface; The coaxial line interface connects common coaxial line network, connects at least one coaxial line network interface; Ethernet interface connects Ethernet, connects at least one Ethernet interface.That is to say, telephone line interface connects telephone wire or general twisted-pair power cable network, can connect a telephone wire or twisted-pair feeder network interface, also can be comprised of a plurality of similar interfaces; The coaxial line interface connects common coaxial line network, can be comprised of an interface or a plurality of interface; Ethernet interface connects Ethernet, can be comprised of an interface or a plurality of interface.In above interface, Power supply interface and Ethernet interface are necessary, and it is necessary that power line carrier interface, telephone line interface, coaxial line are interfaced to rare one.When only having power line carrier interface, this device has been realized the interconnected communication of Ethernet and power line network; When only having telephone line interface, this device has been realized communicating by letter of Ethernet and telephone wire or twisted-pair wire net; When only having the coaxial line interface, this device has been realized communicating by letter of Ethernet and coaxial line network; When power line carrier interface was connected simultaneously with telephone line interface, this device had been realized the interconnected communication of Ethernet, power line network and telephone wire/twisted-pair wire net; When only having telephone line interface to be connected simultaneously with the coaxial line interface, this device has been realized the interconnected communication of Ethernet and telephone wire/twisted-pair wire net and coaxial line network; When power line carrier interface, telephone line interface were connected simultaneously with the coaxial line interface, this device had been realized the interconnected communication of Ethernet, power line network and telephone wire/twisted-pair wire net and coaxial network.Figure 2 shows that coaxial interface is two or the schematic diagram when above, its effect is equivalent to common three links:link of trade,travel and post interface, two outside ports 201,202 in figure are straight-through, between outside port and internal port, are connected to an impedance matching circuit, guaranteed between signal to have minimum decay.
The external interface of this device connects power supply and Signal Exchange Processing device, this power supply and Signal Exchange Processing device provide internal circuit required supply of electric power, realized the Coordination Treatment of the coupling of mutual contact mode, signal of diverse network and processing, multiple signal form of interface exchange, various parts etc., as shown in specific implementation parts as inner as accompanying drawing 3 dotted line frames.Power supply and Signal Exchange Processing device comprise: signal coupling unit, CPU; CPU is connected with Ethernet interface, the signal coupling unit is connected with CPU, and be connected with any one or combination in any in power line carrier interface, telephone line interface, coaxial line interface, according to the concrete external interface of the device of present embodiment, determine.
CPU provides and being connected of signal coupling unit and Ethernet interface, and signal is processed and coordinated, further comprise: modulation /demodulation central authorities process subelement, signal is processed subelement, Ethernet processing subelement, Flash memory, Memory memory, as shown in Figure 4, the modulation /demodulation CPU is the heart of complete machine, subelement is processed in the operation of management complete machine, Ethernet and signal processing subelement is worked under it is coordinated.Modulation /demodulation central authorities processing subelement, signal processing subelement, Ethernet are processed subelement, Flash, Memory can be implemented in same chips, also can independently exist.Specifically, Ethernet is processed subelement and is processed the signal received from Ethernet interface, and carries out the conversion between ethernet signal and the data of adjusting demodulation central authorities processing subelement; Modulation /demodulation central authorities process subelement signal are encoded or decoded, and coordinate the operating state between each module; Modulation /demodulation central authorities process subelement and directly connect Flash memory and Memory memory; The Flash memory is processed operating system and the running parameter of subelement for storing modulation /demodulation central authorities, the Memory memory provides required dynamic data storage space for modulation /demodulation central authorities process after subelement starts; The front end that signal is processed subelement directly connects signal coupling circuit, rear end directly connects modulation /demodulation central authorities and processes subelement, carry out the analog to digital-digital to analog converter between front end analog signal and rear end digital signal, by sending and receiving two parts, formed, the digital signal of modulation /demodulation central authorities being processed to subelement transfers to and can send in telephone wire, coaxial line, the defeated analog signal of phone line, and the analog signal that will receive simultaneously changes into digital signal and is sent to modulation /demodulation central authorities processing subelement.In addition, because Ethernet interface can be comprised of one or more network interface, so Ethernet is processed subelement, also individual ethernet network interface or a plurality of Ethernet interface are carried out to timesharing connection and coordinated manipulation, make a plurality of Ethernet interface data and modulation /demodulation central authorities process the swap operation that subelement carries out data.That is to say, the Ethernet unit is comprised of a phy chip (PHY) and network interface, also can, by a plurality of network interfaces and corresponding PHY Ethernet exchanging the electric circuit constitute, connect and use.Figure 5 shows that the schematic diagram of Ethernet processing unit circuit, this element circuit can make single port or multiport Ethernet carry out exchanges data and communicate by letter with the modulation /demodulation CPU.
The signal coupling unit provides the connected mode of power line, telephone wire/twisted-pair feeder, coaxial line and CPU, be illustrated in figure 6 the graphical diagram of signal coupling unit, mean that this unit is a coupling transformer, realized that signal is from being of coupled connections between winding 1 and winding 2,3,4, concrete realization as shown in Figure 7.Coupling transformer is comprised of a magnet ring 700 and many group windings, and the frequency response parameter is set to the frequency range of the signal transmission of present embodiment, frequency range in for example, between 1MHz to 100MHz, or in 1MHz to 100MHz scope one or more different intervals.Each group winding is formed around magnet ring by insulated conductor independently, wherein two taps in one group of winding are connected to two taps in CPU, other windings and are connected respectively to corresponding in the safe isolated location of power line or external interface, and two taps of each winding only connect an interface circuit in external interface.Such as winding 701 connects CPU, winding 702 connects the safe isolated location of power line, and winding 703 connects the telephone wire Processing Interface, and winding 704 connects the coaxial line Processing Interface.By transformer coupled, the signal of telephone wire, coaxial line, power line is intercoupled, transmits, because each group winding is all that insulation is isolated, so the outer electric power composition of the direct current composition in any one network or frequency range can not be coupled in other network.The number of windings is two groups at least, also can three groups, four groups, five group, and concrete the number networks optionally connected and determining.Winding can be 2 groups (1:1), 3 groups (1:1:1), 4 groups (1:1:1:1), 5 groups (1:1:1:1:1) according to different application forms, with the application for different:
2 groups (1:1), 3 groups (1:1:1): power line or telephone wire or coaxial line;
3 groups (1:1:1), 4 groups (1:1:1:1): power line and coaxial line or power line and telephone wire or coaxial line and telephone wire;
4 groups (1:1:1:1), 5 groups (1:1:1:1:1): power line, coaxial line, telephone wire;
In addition, power supply and Signal Exchange Processing device also comprise: the safe isolated location of power line; The safe isolated location of power line is connected with the signal coupling unit with power line carrier interface respectively, and the safe isolation method of outside forceful electric power and device is provided.As shown in Figure 8, the safe isolated location of power line comprises: input 801, fuse 802, piezo-resistance 803 and safety electric capacity 804; Input has two lines, respectively with power line carrier interface in live wire and zero line, or anodal with negative pole, be connected, the series connection fuse, piezo-resistance in parallel, and on two lines, after serial connection safety electric capacity, be connected in two taps 805 of winding in coupling transformer respectively.That is to say, port L and N are connected to respectively live wire and zero line (AC-powered) or anodal and the negative pole (powered by direct current) of power line, are connected in series a fuse, for overcurrent protection; Piezo-resistance in parallel, for overvoltage protection, is embodied in when input power is greater than rated value, and the piezo-resistance conducting, bleed off the electric charge that exceeds the quata, and protected interior arrangement; On two wires, at two safety electric capacity of serial connection, for forceful electric power and the back-end circuit of isolated preceding-terminal, solve the safety problem with the coupling of power line; After the electric current and voltage off-rating of front end power supply, safety electric capacity disconnects at once, the protective device internal circuit.In addition, the signal in this safety electric capacity transparent transmission frequency range, signal and voltage outside isolated frequency range, to reach the purpose of isolation signals.
Power supply and Signal Exchange Processing device also comprise high pressure resistant electric capacity 901; as shown in Figure 9; be serially connected between the winding 903 in telephone line interface or coaxial line interface 902 and coupling transformer; for isolating the flip-flop of telephone wire/twisted-pair feeder or coaxial line network, the guard signal coupling unit is avoided the load power source impact in external network.
Power supply processing circuit provides the required various supply of electric power modes of installing.Power supply processing circuit is connected with the Signal Exchange Processing device with power supply with power interface respectively, will be at least one group of required DC power supply of Signal Exchange Processing device from the power source transition of power interface input; The power supply of input is AC power, or DC power supply.In reality realizes; it can be Switching Power Supply; input 85 ~ 265V exchanges, direct current all can; be output as 12V, 5V, 3.3V etc.; comprise that mainly protection, isolation, rectification, filtering, switch module, transformer and feedback loop form; for the complete machine power supply, as shown in figure 10, its effect is that input power is changed into to one or more groups required different voltage of circuit and the DC power supply of power.The power supply input can be AC power, also can be DC power supply; With respect to DC power supply, when AC power was input power, this unit need to carry out transformation and rectification processing to AC power.
In reality realizes, the complete machine outside mainly is comprised of attaching plug (or socket), network interface (RJ45), telephony interface (RJ11), coaxial mouthful (BNC connector), indicator light, button etc., indicator light is the signal designations such as corresponding power, Ethernet, signal (two lamp three looks) respectively, and the button Main Function is networking, logout and recovery factory state etc.
Device of the present utility model can pass through separately power line communication; Can be separately by telephone wire communication; Can be separately by coaxial line communication; Also can pass through power line, telephone communication mixing; Also can be by, power line, coaxial line mixed communication; Also can pass through coaxial line, telephone wire mixed communication; Can also carry out mixed communication by coaxial line, telephone wire, three kinds of lines of power line, therefore, device of the present utility model can bring following effect:
1, by device of the present utility model, can realize comprehensive covering of home network: have electric place that network is just arranged, have the place of telephone wire that network is just arranged, have the place of coaxial line (tv line) that network is just arranged.Substantially covered all positions of home network application, no matter common online, or the networking telephone, Internet video, or HD video, can satisfactorily resolve.
2, for also the application telephone wire and axis, in the situation that do not affect former function, increased the function of new transmission broadband.Increase the value of circuit, reduced new network layout, reduced decoration cost, saved Master Cost, accomplished the multiplexing of resource.
3, for some families, because upgrading (mobile phone and the networking telephone, cost the is lower) telephone wire of phone does not re-use.Due to the development (as the high definition IPTV of telecommunications) of Web TV, coaxial line has not re-used.Telephone wire in these families, coaxial line, without any effect, belong to discarded object, by this utility model, these utilizations of resources are got up, and have solved the practical problem in the family.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above are to realize specific embodiment of the utility model, and in actual applications, can to it, do various changes in the form and details, and do not depart from spirit and scope of the present utility model.

Claims (10)

1. many media of power line carrier high-speed wideband interconnecting terminal device, is characterized in that, comprises: external interface, power supply and Signal Exchange Processing device; Described power supply is connected with described external interface with the Signal Exchange Processing device;
Wherein, described external interface comprises: Ethernet interface and with any one or combination in any in lower interface: power interface, telephone line interface and coaxial line interface; Described power interface comprises power line carrier interface; Described telephone line interface is connected any cable with two call wires with the coaxial line interface;
Described power supply and Signal Exchange Processing device comprise: signal coupling unit, CPU; Described signal coupling unit is connected with described CPU, and is connected with any one or combination in any in described power line carrier interface, described telephone line interface, described coaxial line interface; Described CPU is connected with described Ethernet interface;
Described power supply and Signal Exchange Processing device receive the network digital signal from described Ethernet interface, convert the network digital signal to analog signal, and export to any one or the interface of combination in any in lower interface: described power line carrier interface, described telephone line interface and described coaxial line interface; Perhaps,
Described power supply and Signal Exchange Processing device receive the analog signal from the interface of any one or combination in any with in lower interface: described power line carrier interface, described telephone line interface and described coaxial line interface, and analog signal conversion is become to the network digital signal, and export described Ethernet interface to.
2. many media of power line carrier high-speed wideband interconnecting terminal device according to claim 1, it is characterized in that, described CPU comprises: modulation /demodulation central authorities process subelement, signal is processed subelement, Ethernet processing subelement, Flash memory, Memory memory;
Described Ethernet is processed subelement and is processed the signal received from described Ethernet interface, and carries out the conversion between the data of ethernet signal and described modulation /demodulation central authorities processing subelement;
The central subelement of processing of described modulation /demodulation is encoded or is decoded signal, and coordinates the operating state between each module; The central subelement of processing of described modulation /demodulation directly connects described Flash memory and described Memory memory;
Described Flash memory is for storing central operating system and the running parameter of processing subelement of described modulation /demodulation, and described Memory memory is processed for described modulation /demodulation is central after subelement starts required dynamic data storage space is provided;
The front end that described signal is processed subelement directly connects described signal coupling circuit, and rear end directly connects the central subelement of processing of described modulation /demodulation, carries out the analog to digital-digital to analog converter between front end analog signal and rear end digital signal.
3. many media of power line carrier high-speed wideband interconnecting terminal device according to claim 2, it is characterized in that, described Ethernet is processed subelement and also individual ethernet network interface or at least two Ethernet interfaces is carried out to timesharing connection and coordinated manipulation, makes at least two Ethernet interface data and described modulation /demodulation central authorities process the swap operation that subelement carries out data.
4. many media of power line carrier high-speed wideband interconnecting terminal device according to claim 1, is characterized in that, described power supply and Signal Exchange Processing device also comprise: the safe isolated location of power line;
The safe isolated location of described power line is connected with described signal coupling unit with described power line carrier interface respectively.
5. many media of power line carrier high-speed wideband interconnecting terminal device according to claim 4, is characterized in that, described signal coupling unit is a coupling transformer;
Described coupling transformer consists of at least a magnet ring and two group windings, and the interior value of frequency range that the frequency response parameter is the signal transmission of described many media of power line carrier interconnecting terminal device is set;
Each group winding is formed around magnet ring by insulated conductor independently, wherein two taps in one group of winding are connected to two taps in described CPU, other windings and are connected respectively to corresponding in the safe isolated location of described power line or described external interface, and two taps of each winding only connect an interface circuit in described external interface.
6. many media of power line carrier high-speed wideband interconnecting terminal device according to claim 5, is characterized in that, the frequency range of the signal transmission of described many media of power line carrier interconnecting terminal device is between 1 megahertz to 100 megahertz.
7. many media of power line carrier high-speed wideband interconnecting terminal device according to claim 5, is characterized in that, the safe isolated location of described power line comprises: input, fuse, piezo-resistance and safety electric capacity;
Described input has two lines, respectively with described power line carrier interface in live wire and zero line, perhaps positive pole is connected with negative pole, the described fuse of connecting, described piezo-resistance in parallel, and on two lines, after serial connection safety electric capacity, be connected in two taps of winding in described coupling transformer respectively.
8. many media of power line carrier high-speed wideband interconnecting terminal device according to claim 5, it is characterized in that, described power supply and Signal Exchange Processing device also comprise high pressure resistant electric capacity, are serially connected between the winding in described telephone line interface or described coaxial line interface and described coupling transformer.
9. many media of power line carrier high-speed wideband interconnecting terminal device according to claim 1, is characterized in that, described power supply and Signal Exchange Processing device also comprise: power supply processing circuit;
Described power interface also comprises the Power supply interface;
Described power supply processing circuit is connected with the Signal Exchange Processing device with described power supply with described power interface respectively, will be at least one group of required DC power supply of described Signal Exchange Processing device from the power source transition of described power interface input; The power supply of described input is AC power, or DC power supply.
10. according to many media of the described power line carrier of any one high-speed wideband interconnecting terminal device in claim 1 to 9, it is characterized in that, described telephone line interface connects telephone wire or general twisted-pair power cable network, connects at least one telephone wire or twisted-pair feeder network interface;
Described coaxial line interface connects common coaxial line network, connects at least one coaxial line network interface;
Described Ethernet interface connects Ethernet, connects at least one Ethernet interface.
CN2013200397479U 2013-01-24 2013-01-24 Power line carrier multi-media high-speed broadband Internet terminal device Withdrawn - After Issue CN203313213U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103647627A (en) * 2013-12-11 2014-03-19 国家电网公司 Networked medium voltage narrow band power line carrier device based on carrier timing
CN103973520A (en) * 2013-01-24 2014-08-06 上海芯域微电子有限公司 Power line carrier multi-medium high-speed broadband interconnection terminal device
WO2015169059A1 (en) * 2014-05-09 2015-11-12 中兴通讯股份有限公司 Signal transmission system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103973520A (en) * 2013-01-24 2014-08-06 上海芯域微电子有限公司 Power line carrier multi-medium high-speed broadband interconnection terminal device
CN103973520B (en) * 2013-01-24 2018-09-11 芯域通信有限公司 The more medium high-speed wideband interconnecting terminal devices of power line carrier
CN103647627A (en) * 2013-12-11 2014-03-19 国家电网公司 Networked medium voltage narrow band power line carrier device based on carrier timing
CN103647627B (en) * 2013-12-11 2016-08-17 国家电网公司 Networking based on carrier wave time service narrows band power line carrier equipment
WO2015169059A1 (en) * 2014-05-09 2015-11-12 中兴通讯股份有限公司 Signal transmission system

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