CN103152183A - Electric modem switching device and method for mutual switching of electric signals and network signals - Google Patents
Electric modem switching device and method for mutual switching of electric signals and network signals Download PDFInfo
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Abstract
The invention discloses an electric modem switching device and a method for mutual switching of electric signals and network signals. The electric signals are modulated into the network signals through an electric modem, then the network signals are transmitted to a power-over-Ethernet (POE) switchboard through a registered jack 45 (RJ45) connector module, and the network signals of the POE switchboard are transmitted toward an external terminal. The external network signals are transmitted to the electric modem sequentially through the POE switchboard and the RJ45 connector module, and parts of the network signals are coupled to a power line by the electric modem to be transmitted. The electric signals and the network signals can coexist completely, totally different frequencies of technical equipment controlling electricity can be achieved, mutual interference can not happen, and the problem that in the network transmission process, signal transmission is limited by local wiring is solved.
Description
Technical field
The present invention relates to network communication equipment, especially a kind of equipment with POE network exchange and Homeplug function.
Background technology
Along with the develop rapidly of electronic technology, Computer and Its Application is day by day universal, and computer network also develops rapidly.Every that the geographical position is different, many the computers, terminal and the auxiliary device thereof that possess standalone feature, get up with communication equipment and connection, and be equipped with resource-sharing and the data communication that corresponding network software is realized the compunication information network, all be called computer communication network.When network size enlarges, become unrealistic by extending netting twine merely.And for different local area network (LAN)s, the data between realizing mutually transmit, and the resource of shared network need to have special connection device to realize extension of network.Simultaneously, the increase of website in network, the expansion of geographic range, the growth of traffic carrying capacity impel the network interconnection to advance rapidly.The high speed development of the network interconnection causes the appearance of network exchange technology, and the network switch also arises at the historic moment thereupon.The switch of broad sense is exactly a kind of equipment of completing information exchange functions in communication system.The major function of the network switch comprises physics addressing, network topology structure, error checking, frame sequence and flow control.
Along with the development of switching technology, switching equipment possesses increasing function." the POE switch " that for example has function of supplying power is with Homeplug function " four-hole Homeplug switch " etc." POE switch " is exactly the switch of supporting Power-over-Ethernet, and its data-transformation facility that not only can realize general switch can also be powered to terminal equipment simultaneously.Do not change in the situation that what existing Ethernet Cat.5 wiring architecture do not do, when being some IP-based terminals (as IP phone machine, wireless local network connecting point AP, web camera etc.) transmission of data signals, kind equipment provides the technology of direct current supply for this reason.Its advantage is can be the power receiving equipment power supply in the transmission of data, and not enough place is the power line transmission signals function that does not possess Homeplug, is subjected to the impact of network layout.
in addition, " the four-hole Homeplug switch " of prior art is to be passed on Homeplug joining with it by ADSL/ router network data signals out to be inserted on socket, then by Homeplug, network data signals is encrypted, compression, " packing " transfers in the electric wire that the signal of telecommunication is sent to us, (safer by the signal online after encrypting), then plug another Homeplug in the arbitrary supply socket under same ammeter, this moment, this just again can be encryption, the signal of telecommunication deciphering of compression " packing ", decompress(ion), amplify, transfer network data signals to and offer networking products online use.The transmission rate of this four-hole Homeplug generally only has 85Mbps, and maximum transmission rate also can only reach 200Mbps, and the configuration port also only have four, can only satisfy the use of general family.The advantage of " four-hole Homeplug switch " is to have concentrated the general utility functions of switch and Homeplug, not enough place is that the scope of application is little, transmission rate is not high, can only be applicable to average family and use, and available port is not enough, the connection that can not meet Virtual network operator is used, in addition, this equipment does not possess for connecting the function of power receiving equipment power supply, needs at least to provide two kinds of equipment during use, this not only takes up room, and is not easy to user operation and cost higher.
Summary of the invention
One of technical problem to be solved by this invention is to provide a kind of Homeplug switching equipment, not only has the function of Homeplug but also has the function of switch, and improve the speed of Internet Transmission, and the scope of application is wider.
Two of technical problem to be solved by this invention is to provide a kind of electric power signal and network signal method of conversion mutually that realizes, electric power signal and network signal are coexisted, with the diverse frequency of technical equipment of controlling electric power, can't interfere with each other, solved in network transmission process, the signal transmission is subjected to the problem of local wiring restriction.
For one of solving the problems of the technologies described above, technical scheme of the present invention is: a kind of Homeplug switching equipment, comprise Homeplug and POE switch, and described Homeplug is connected with described POE switch by the RJ45 interface module;
Described Homeplug comprises power panel, a receipts/filter, central processing unit, Fast Ethernet module and Flash holder; Described power panel is connected to send out filter with central processing unit and receipts and is connected, and described central processing unit is connected with a receipts/filter, Fast Ethernet module, Flash holder respectively; Described power panel comprises power line signal coupler and AC-DC conversion unit, power line signal coupler and AC-DC conversion unit all are connected with the civil power input plug, and the AC-DC conversion unit is to central processing unit, Fast Ethernet module and the power supply of Flash memory; The power line signal coupler is connected with a receipts/filter;
Described POE switch comprises power transfer module, main control module and built-in power module; Direct current output is inputted and converted to described built-in power module external AC, is the main control module power supply by power transfer module; Described power transfer module is to RJ45 interface power supply, and described main control module is connected with exterior terminal by the RJ45 interface and carries out data-signal and communicate by letter;
The power line signal coupler is transferred to central processing unit with the signal extraction on power line and by receiving/send out filter, and central processing unit is modulated into electric power signal ethernet signal and is transferred to the RJ45 interface module by the Fast Ethernet module; Main control module in the POE switch passes through the RJ45 interface to outside terminal transmission after receiving ethernet signal;
Outside ethernet signal is transferred to by the RJ45 interface in the main control module of POE switch, and main control module is transferred to this ethernet signal in central processing unit by the Fast Ethernet module; Central processing unit transfers signals to a receipts/filter, and the signal coupling that the power line signal coupler will be received/send out after filter filters is carried in power line.
As improvement, described RJ45 interface module comprises the 2nd RJ45 interface that is connected with described Fast Ethernet module and a RJ45 interface that is connected with described main control module; The one RJ45 interface is connected by the wiring on mainboard with the 2nd RJ45 interface.
As improvement, described power transfer module comprises the POE functional module, and wherein the POE functional module comprises power supply unit PSE and powered device PD.
As improvement, described main control module comprises main central processing unit, main management interface unit and data link unit; Described main central processing unit is used for managing each described reciprocal exchange of business module by the main management interface unit concentratedly at network level, realizes network protocol management and maintenance to each reciprocal exchange of business module; Described main management interface unit is used for providing described main central processing unit and described each reciprocal exchange of business module to carry out the interface of network level information interaction; Described data link unit comprises some physical connection lines, and wherein the two ends of every physical connection line connect two different reciprocal exchange of business modules, is used for the exchanges data that this two reciprocal exchange of business module is carried out data plane.
For solve the problems of the technologies described above two, technical scheme of the present invention is: a kind of electric power signal and network signal be the method for conversion mutually, electric power signal is modulated into network signal by Homeplug with signal, then by the RJ45 interface module, this network signal is transferred in the POE switch, the network signal of POE switch is carried to exterior terminal again; Outside network signal is transferred in Homeplug by POE switch and RJ45 interface module successively, and Homeplug is coupled to the network signal of this part in power line to be carried.
As improvement, described Homeplug comprises power panel, a receipts/filter, central processing unit, Fast Ethernet module and Flash holder; Described power panel is connected to send out filter with central processing unit and receipts and is connected, and described central processing unit is connected with a receipts/filter, Fast Ethernet module, Flash holder respectively; Described power panel comprises power line signal coupler and AC-DC conversion unit, power line signal coupler and AC-DC conversion unit all are connected with the civil power input plug, and the AC-DC conversion unit is to central processing unit, Fast Ethernet module and the power supply of Flash memory; The power line signal coupler is connected with a receipts/filter; Described POE switch comprises power transfer module, main control module and built-in power module; Direct current output is inputted and converted to described built-in power module external AC, is the main control module power supply by power transfer module; Described power transfer module is to RJ45 interface power supply, and described main control module is connected with exterior terminal by the RJ45 interface and carries out data-signal and communicate by letter; The power line signal coupler is transferred to central processing unit with the signal extraction on power line and by receiving/send out filter, and central processing unit is modulated into electric power signal ethernet signal and is transferred to the RJ45 interface module by the Fast Ethernet module; Main control module in the POE switch passes through the RJ45 interface to outside terminal transmission after receiving ethernet signal.
As improvement, described RJ45 interface module comprises the 2nd RJ45 interface that is connected with described Fast Ethernet module and a RJ45 interface that is connected with described main control module.
As improvement, described power transfer module comprises the POE functional module, and wherein the POE functional module comprises power supply unit PSE and powered device PD.
As improvement, described main control module comprises main central processing unit, main management interface unit and data link unit; Described main central processing unit is used for managing each described reciprocal exchange of business module by the main management interface unit concentratedly at network level, realizes network protocol management and maintenance to each reciprocal exchange of business module; Described main management interface unit is used for providing described main central processing unit and described each reciprocal exchange of business module to carry out the interface of network level information interaction; Described data link unit comprises some physical connection lines, and wherein the two ends of every physical connection line connect two different reciprocal exchange of business modules, is used for the exchanges data that this two reciprocal exchange of business module is carried out data plane.
The beneficial effect that the present invention compared with prior art brings is:
The present invention not only has the function of Homeplug but also has the function of switch.Its characteristics are to improve the speed of Internet Transmission on the basis of original function, and have increased the POE functions of modules, realize a kind of equipment of multi-functional Homeplug switch.Purpose is to make the Homeplug modulator-demodulator when network access facility is provided, also can provide power supply for terminal.The present invention can make electric power signal and network signal coexist fully, and controls the diverse frequency of technical equipment of electric power, can't interfere with each other.Both solved in network transmission process, the signal transmission is subjected to the problem of local wiring restriction, also solved the problem that terminal equipment need to be powered, powerful function device, utilize power line as medium, just the Xin breath man Dian ﹑ PC etc. that spreads all over dwelling house each corner can be connected as a single entity very easily, convenient management, save cost.
Description of drawings
Fig. 1 is a kind of equipment schematic diagram with POE and Homeplug function.
Fig. 2 is the Homeplug structural representation.
Fig. 3 is POE switch architecture schematic diagram.
Embodiment
The invention will be further described below in conjunction with Figure of description.
As shown in Figure 1, a kind of Homeplug switching equipment comprises Homeplug and POE switch, and described Homeplug is connected with described POE switch by the RJ45 interface module.
As shown in Figure 2, described Homeplug comprises power panel, a receipts/filter, central processing unit, Fast Ethernet module and Flash holder; Described power panel is connected to send out filter with central processing unit and receipts and is connected, and described central processing unit is connected with a receipts/filter, Fast Ethernet module, Flash holder respectively.Described Homeplug is the PLC module.Described Fast Ethernet module is mainly the data transaction of carrying out between physical layer and MAC layer, the network signal transmission between realization and central processing unit; The present invention has adopted the Fast Ethernet module and provides simultaneously the low rate passage and the central processing unit of two-forty passage, can realize the transmission rate up to 500Mbps, has satisfied user's demand; The present invention has set up the low-power consumption administrative unit, can reduce power consumption thereby make equipment enter park mode under a stable condition by multiple trigger condition is set, and reaches the purpose of environmental protection.Described power panel comprises power line signal coupler and AC-DC conversion unit, power line signal coupler and AC-DC conversion unit all are connected with the civil power input plug, and the AC-DC conversion unit is to central processing unit, Fast Ethernet module and the power supply of Flash memory; The power line signal coupler is connected with a receipts/filter.Described power line signal coupler utilizes the undesirable mutual electromagnetic inductance technology, and the method for coupling magnet ring is installed on power network, and the PLC carrier frequency of electric power bridge storage is loaded on electrical network.Described AC-DC conversion unit comprises self adaptation adjusting module and mode switch element, and mode switch element comprises floating charge module and activation module, and the AC-DC conversion unit is used for that AC power is converted to DC power supply and offers each application module.
As shown in Figure 3, described POE switch comprises power transfer module, main control module and built-in power module; Described POE switch can provide 16-24 interface for whole equipment, uses simultaneously for different equipment.Described main control module mainly adopts the POE technology, and wherein the POE technology can realize electric power system or the active Ethernet based on local area network (LAN), makes whole equipment to provide power supply for other the electrical appliance that makes; Main control module comprises main central processing unit, main management interface unit and data link unit; Described main central processing unit is used for managing each described reciprocal exchange of business module by the main management interface unit concentratedly at network level, realizes network protocol management and maintenance to each reciprocal exchange of business module; Described main management interface unit is used for providing described main central processing unit and described each reciprocal exchange of business module to carry out the interface of network level information interaction; Described data link unit comprises some physical connection lines, and wherein the two ends of every physical connection line connect two different reciprocal exchange of business modules, is used for the exchanges data that this two reciprocal exchange of business module is carried out data plane; Described main control module is connected with exterior terminal by the RJ45 interface and carries out data-signal and communicate by letter.Direct current output is inputted and converted to described built-in power module external AC, is the main control module power supply by power transfer module.Described power transfer module comprises the POE functional module, and wherein the POE functional module comprises power supply unit PSE and powered device PD, and described power transfer module is powered to the RJ45 interface.
Described RJ45 interface module comprises the 2nd RJ45 interface that is connected with described Fast Ethernet module and a RJ45 interface that is connected with described main control module; The one RJ45 interface is connected by the wiring on mainboard with the 2nd RJ45 interface.Downlink data signal after the RJ45 interface module is used for the POE functional module is processed sends to terminal, and the upstream data. signals of terminal is sent to the POE functional module, and the low-voltage dc power supply of POE functional module after processing flows to terminal.
The power line signal coupler is transferred to central processing unit with the signal extraction on power line and by receiving/send out filter, and central processing unit is modulated into electric power signal ethernet signal and is transferred to the RJ45 interface module by the Fast Ethernet module; Main control module in the POE switch passes through the RJ45 interface to outside terminal transmission after receiving ethernet signal.
Outside ethernet signal is transferred to by the RJ45 interface in the main control module of POE switch, and main control module is transferred to this ethernet signal in central processing unit by the Fast Ethernet module; Central processing unit transfers signals to a receipts/filter, and the signal coupling that the power line signal coupler will be received/send out after filter filters is carried in power line.
Homeplug switch device of the present invention not only has the two-forty of 500Mbps, but also has 16-24 interface, makes signal transmission distance longer, and network adaptability is better, and bandwidth is higher; Aspect being connected of equipment, can also provide required electricity consumption source for power receiving equipment, greatly improve the exclusive performance of Homeplug or switch, make that it becomes that a kind of antijamming capability is strong, expansion facility, high-performance, new network connection device that fail safe is good.
Claims (9)
1. Homeplug switching equipment is characterized in that: comprise Homeplug and POE switch, described Homeplug is connected with described POE switch by the RJ45 interface module;
Described Homeplug comprises power panel, a receipts/filter, central processing unit, Fast Ethernet module and Flash holder; Described power panel is connected to send out filter with central processing unit and receipts and is connected, and described central processing unit is connected with a receipts/filter, Fast Ethernet module, Flash holder respectively;
Described power panel comprises power line signal coupler and AC-DC conversion unit, power line signal coupler and AC-DC conversion unit all are connected with the civil power input plug, and the AC-DC conversion unit is to central processing unit, Fast Ethernet module and the power supply of Flash memory; The power line signal coupler is connected with a receipts/filter;
Described POE switch comprises power transfer module, main control module and built-in power module; Direct current output is inputted and converted to described built-in power module external AC, is the main control module power supply by power transfer module; Described power transfer module is to RJ45 interface power supply, and described main control module is connected with exterior terminal by the RJ45 interface and carries out data-signal and communicate by letter;
The power line signal coupler is transferred to central processing unit with the signal extraction on power line and by receiving/send out filter, and central processing unit is modulated into electric power signal ethernet signal and is transferred to the RJ45 interface module by the Fast Ethernet module; Main control module in the POE switch passes through the RJ45 interface to outside terminal transmission after receiving ethernet signal;
Outside ethernet signal is transferred to by the RJ45 interface in the main control module of POE switch, and main control module is transferred to this ethernet signal in central processing unit by the Fast Ethernet module; Central processing unit transfers signals to a receipts/filter, and the signal coupling that the power line signal coupler will be received/send out after filter filters is carried in power line.
2. a kind of Homeplug switching equipment according to claim 1, it is characterized in that: described RJ45 interface module comprises the 2nd RJ45 interface that is connected with described Fast Ethernet module and a RJ45 interface that is connected with described main control module.
3. a kind of Homeplug switching equipment according to claim 1, it is characterized in that: described power transfer module comprises the POE functional module, wherein the POE functional module comprises power supply unit PSE and powered device PD.
4. a kind of Homeplug switching equipment according to claim 1, it is characterized in that: described main control module comprises main central processing unit, main management interface unit and data link unit;
Described main central processing unit is used for managing each described reciprocal exchange of business module by the main management interface unit concentratedly at network level, realizes network protocol management and maintenance to each reciprocal exchange of business module;
Described main management interface unit is used for providing described main central processing unit and described each reciprocal exchange of business module to carry out the interface of network level information interaction;
Described data link unit comprises some physical connection lines, and wherein the two ends of every physical connection line connect two different reciprocal exchange of business modules, is used for the exchanges data that this two reciprocal exchange of business module is carried out data plane.
5. an electric power signal and the network signal method of conversion mutually, it is characterized in that: electric power signal is modulated into network signal by Homeplug with signal, then by the RJ45 interface module, this network signal is transferred in the POE switch, the network signal of POE switch is carried to exterior terminal again;
Outside network signal is transferred in Homeplug by POE switch and RJ45 interface module successively, and Homeplug is coupled to the network signal of this part in power line to be carried.
6. the mutual method of conversion of a kind of electric power signal according to claim 5 and network signal is characterized in that: described Homeplug comprises power panel, receipts/send out filter, central processing unit, Fast Ethernet module and Flash holder; Described power panel is connected to send out filter with central processing unit and receipts and is connected, and described central processing unit is connected with a receipts/filter, Fast Ethernet module, Flash holder respectively; Described power panel comprises power line signal coupler and AC-DC conversion unit, power line signal coupler and AC-DC conversion unit all are connected with the civil power input plug, and the AC-DC conversion unit is to central processing unit, Fast Ethernet module and the power supply of Flash memory; The power line signal coupler is connected with a receipts/filter;
Described POE switch comprises power transfer module, main control module and built-in power module; Direct current output is inputted and converted to described built-in power module external AC, is the main control module power supply by power transfer module; Described power transfer module is to RJ45 interface power supply, and described main control module is connected with exterior terminal by the RJ45 interface and carries out data-signal and communicate by letter;
The power line signal coupler is transferred to central processing unit with the signal extraction on power line and by receiving/send out filter, and central processing unit is modulated into electric power signal ethernet signal and is transferred to the RJ45 interface module by the Fast Ethernet module; Main control module in the POE switch passes through the RJ45 interface to outside terminal transmission after receiving ethernet signal.
7. the mutual method of conversion of a kind of electric power signal according to claim 5 and network signal, it is characterized in that: described RJ45 interface module comprises the 2nd RJ45 interface that is connected with described Fast Ethernet module and a RJ45 interface that is connected with described main control module.
8. the mutual method of conversion of a kind of electric power signal according to claim 5 and network signal, it is characterized in that: described power transfer module comprises the POE functional module, wherein the POE functional module comprises power supply unit PSE and powered device PD.
9. the mutual method of conversion of a kind of electric power signal according to claim 5 and network signal, it is characterized in that: described main control module comprises main central processing unit, main management interface unit and data link unit;
Described main central processing unit is used for managing each described reciprocal exchange of business module by the main management interface unit concentratedly at network level, realizes network protocol management and maintenance to each reciprocal exchange of business module;
Described main management interface unit is used for providing described main central processing unit and described each reciprocal exchange of business module to carry out the interface of network level information interaction;
Described data link unit comprises some physical connection lines, and wherein the two ends of every physical connection line connect two different reciprocal exchange of business modules, is used for the exchanges data that this two reciprocal exchange of business module is carried out data plane.
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| CN2013100360958A CN103152183A (en) | 2013-01-30 | 2013-01-30 | Electric modem switching device and method for mutual switching of electric signals and network signals |
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| CN2013100360958A CN103152183A (en) | 2013-01-30 | 2013-01-30 | Electric modem switching device and method for mutual switching of electric signals and network signals |
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| CN107070501A (en) * | 2016-12-16 | 2017-08-18 | 国网北京市电力公司 | Bandwidth carrier repeater and message transmitting method and device |
| CN106506888A (en) * | 2016-12-27 | 2017-03-15 | 佘培嘉 | A kind of Homeplug with new interface socket |
| CN109309636A (en) * | 2017-07-27 | 2019-02-05 | 西门子瑞士有限公司 | The network switch |
| CN107465431A (en) * | 2017-08-10 | 2017-12-12 | 广西电网有限责任公司 | A kind of wideband power is registered one's residence terminal system |
| CN111093119A (en) * | 2019-12-27 | 2020-05-01 | 珠海市竞争电子科技有限公司 | Two-wire power system exchange circuit and switch |
| CN111093119B (en) * | 2019-12-27 | 2022-03-04 | 珠海市竞争电子科技有限公司 | Two-wire power system exchange circuit and switch |
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Application publication date: 20130612 |