CN103024229A - Electric power network bridge equipment capable of transmitting signal on telephone line - Google Patents
Electric power network bridge equipment capable of transmitting signal on telephone line Download PDFInfo
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- CN103024229A CN103024229A CN2011102978119A CN201110297811A CN103024229A CN 103024229 A CN103024229 A CN 103024229A CN 2011102978119 A CN2011102978119 A CN 2011102978119A CN 201110297811 A CN201110297811 A CN 201110297811A CN 103024229 A CN103024229 A CN 103024229A
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- ethernet signal
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Abstract
The invention provides electric power network bridge equipment capable of transmitting signals on a telephone line, comprising a modulation-demodulation circuit and a coupling circuit as well as a group of second coupling coils, wherein an Ethernet signal which is sent and modulated is sent to an electric power line by virtue of a first coupling coil and the Ethernet signal modulated on the electric power line is received by virtue of the first coupling coil in the coupling circuit, and the Ethernet signal which is sent and modulated is sent to the telephone line by virtue of the second coupling coils and the Ethernet signal modulated on a telephone line is received by virtue of the second coupling coils. The electric power network bridge equipment provided by the invention realizes that the Ethernet signal is coupled to the telephone line to be output. The defect that transmission distance of the Ethernet signal is short in electric power line transmission is overcome, and application range of the electric power bridge network equipment is expanded.
Description
Technical field
The present invention relates to the electric network bridge equipment technical field, relate in particular to a kind of electric network bridge equipment that can fail in phone line signal.
Background technology
Power line communication technology (PLC, Power Line Communication), its basic principle refers to utilize the multimedia service signals such as 220V low-voltage power line high speed transmission data, voice, image.Its with need not wiring, wide coverage, the distinguishing feature such as easy to connect, transmission quality is high, speed is fast, bandwidth is stable, be widely used in the fields such as residential quarter, hotel, Office Area, monitoring security protection, be particularly useful for the broadband transformation of built building.
Electric network bridge equipment is a kind of network access equipment that is applied to the Administration of Mid-minitype Local Area Network of power line communication, and it comprises modulation-demodulation circuit and coupling circuit, and the one end connects external ethernet, and an end is bridged to Ethernet information on the power line by signal coupling.The theory diagram of its realization as shown in Figure 1, wherein, MCU(Micro Controller Unit, micro-control unit) is the core of electric network bridge, the main work of processing the modulation and demodulation of ethernet signal, AFE(Active Front End, AFE (analog front end)) built-in signal transtation mission circuit and receive the functions such as automatic gain control of signal then.Add peripheral auxiliary circuit, realized ethernet signal is bridged on the power line.
The coupling of the LINE of AC shown in Fig. 1 COUPLER(power line) part, its physical circuit figure as shown in Figure 2, PL_TXP and PL_TXN are transmitted signals, PL_RXP and PL_RXN are for receiving signal, transmitted signal PL_TXP and PL_TXN send ethernet signal after the modulation to power line by coupling coil T3, receive signal PL_RXP and PL_RXN and receive the ethernet signal after the modulation on the power line by coupling coil T3.
Be illustrated in figure 3 as the structure of coupling coil T3, its wiring such as following table:
But because the noise on the power line is larger, the ethernet signal transmission range that therefore is coupled on the circuit line is limited.If living quarters size is larger, there is the phenomenon of signal Transmission.
Summary of the invention
For this reason, technical problem to be solved by this invention is: provide a kind of electric network bridge equipment that can fail in phone line signal, to overcome the drawback of using power line transmission signals.
So, the invention provides a kind of electric network bridge equipment that can fail in phone line signal, comprise modulation-demodulation circuit and coupling circuit, in coupling circuit, transmitted signal PL_TXP and transmitted signal PL_TXN, receive signal PL_RXP and receive signal PL_RXN and all by the first coupling coil ethernet signal has been coupled on the power line, wherein, in coupling circuit, also be provided with one group of second coupling coil, transmitted signal PL_TXP and transmitted signal PL_TXN, receive signal PL_RXP and receive signal PL_RXN and all by this second coupling coil ethernet signal is coupled on the telephone wire.
Wherein, the number of turns of described the second coupling coil is identical with the number of turns of the first coupling coil.
The number of turns of described coupling coil is 5 circles.
Of the present invention can at the electric network bridge equipment of the defeated signal of phone line, by in coupling circuit, setting up one group of coupling coil that ethernet signal can be coupled on the telephone wire, output so that ethernet signal can be coupled on the telephone wire.Overcome because of the short drawback of power line transmission ethernet signal transmission range, enlarged the scope of application of electric network bridge equipment.
Description of drawings
Fig. 1 is electric network bridge equipment block diagram in the prior art;
Fig. 2 is the circuit diagram of coupling circuit in the electric network bridge equipment in the prior art;
Fig. 3 is coupling coil T3 structural representation among Fig. 2;
Fig. 4 is the circuit diagram of coupling circuit in the described electric network bridge equipment of the embodiment of the invention;
Fig. 5 is coupling coil T3 structural representation among Fig. 4.
Embodiment
Below, describe the present invention by reference to the accompanying drawings.
The present embodiment provides a kind of can at the electric network bridge equipment of the defeated signal of phone line, comprise modulation-demodulation circuit and coupling circuit.
Wherein, described coupling circuit as shown in Figure 4, in coupling circuit, be provided with two groups of coupling coils, respectively the first coupling coil and the second coupling coil, wherein, transmitted signal PL_TXP and transmitted signal PL_TXN and reception signal PL_RXP and reception signal PL_RXN all have been coupled to ethernet signal on the power line by the first coupling coil, and transmitted signal PL_TXP and transmitted signal PL_TXN, reception signal PL_RXP and reception signal PL_RXN all are coupled to ethernet signal on the telephone wire by the second coupling coil.
Coupling coil T3 among Fig. 5, its structure is:
Wherein, the joint of the first coupling coil is that the joint of 2 and 5, the second coupling coils is 7 and 8.Generally speaking, the number of turns of the second coupling coil is identical with the number of turns of the first coupling coil, is 5 circles.
As seen, ethernet signal has been coupled on the telephone wire by the second coupling coil.Because the telephone wire noise is low, therefore, ethernet signal is exported distance at telephone wire, overcome the short drawback of the transmission range on power line of ethernet signal described in the background technology, simultaneously, for electric network bridge equipment, also enlarged the scope of application of electric power bridge device.
In sum, the present embodiment is described can be at the electric network bridge equipment of the defeated signal of phone line, by in coupling circuit, setting up one group of coupling coil that ethernet signal can be coupled on the telephone wire, so that can being coupled on the telephone wire, exports ethernet signal.Overcome because of the short drawback of power line transmission ethernet signal transmission range, enlarged the scope of application of electric network bridge equipment.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
- One kind can be at the electric network bridge equipment of the defeated signal of phone line, comprise modulation-demodulation circuit and coupling circuit, in coupling circuit, ethernet signal after transmitted signal PL_TXP and PL_TXN modulate by the transmission of the first coupling coil is to power line, receive signal PL_RXP and PL_RXN and receive the ethernet signal after the modulation on the power line by the first coupling coil, it is characterized in that, in coupling circuit, also be provided with one group of second coupling coil, transmitted signal PL_TXP and PL_TXN send ethernet signal after the modulation to telephone wire by the second coupling coil, receive signal PL_RXP and PL_RXN and receive the ethernet signal after the modulation on the telephone wire by the second coupling coil.
- 2. electric network bridge equipment according to claim 1 is characterized in that, the number of turns of described the second coupling coil is identical with the number of turns of the first coupling coil.
- 3. electric network bridge equipment according to claim 2 is characterized in that, the number of turns of described coupling coil is 5 circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102978119A CN103024229A (en) | 2011-09-27 | 2011-09-27 | Electric power network bridge equipment capable of transmitting signal on telephone line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102978119A CN103024229A (en) | 2011-09-27 | 2011-09-27 | Electric power network bridge equipment capable of transmitting signal on telephone line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103024229A true CN103024229A (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102978119A Pending CN103024229A (en) | 2011-09-27 | 2011-09-27 | Electric power network bridge equipment capable of transmitting signal on telephone line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103338319A (en) * | 2013-05-21 | 2013-10-02 | 杨海波 | Phoneline network bridge |
| CN103391235A (en) * | 2013-08-15 | 2013-11-13 | 杨海波 | Power line and telephone line network bridge device |
| CN103391236A (en) * | 2013-08-15 | 2013-11-13 | 杨海波 | Network bridge device for power line and phone line |
| CN103401690A (en) * | 2013-08-15 | 2013-11-20 | 杨海波 | Novel powerline and phoneline network bridge device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2810037Y (en) * | 2005-05-19 | 2006-08-23 | 北京恒丰惠通科技有限公司 | A device for transmitting Ethernet data by use of power line |
| CN2888758Y (en) * | 2005-12-29 | 2007-04-11 | 北京恒丰惠通科技有限公司 | Intelligent network data exchanging system |
| JP2009165005A (en) * | 2008-01-09 | 2009-07-23 | Sony Corp | Communication system and communication device |
-
2011
- 2011-09-27 CN CN2011102978119A patent/CN103024229A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2810037Y (en) * | 2005-05-19 | 2006-08-23 | 北京恒丰惠通科技有限公司 | A device for transmitting Ethernet data by use of power line |
| CN2888758Y (en) * | 2005-12-29 | 2007-04-11 | 北京恒丰惠通科技有限公司 | Intelligent network data exchanging system |
| JP2009165005A (en) * | 2008-01-09 | 2009-07-23 | Sony Corp | Communication system and communication device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103338319A (en) * | 2013-05-21 | 2013-10-02 | 杨海波 | Phoneline network bridge |
| CN103391235A (en) * | 2013-08-15 | 2013-11-13 | 杨海波 | Power line and telephone line network bridge device |
| CN103391236A (en) * | 2013-08-15 | 2013-11-13 | 杨海波 | Network bridge device for power line and phone line |
| CN103401690A (en) * | 2013-08-15 | 2013-11-20 | 杨海波 | Novel powerline and phoneline network bridge device |
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Application publication date: 20130403 |