CN202475418U - Signal sending device using power line - Google Patents
Signal sending device using power line Download PDFInfo
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- CN202475418U CN202475418U CN2012200975629U CN201220097562U CN202475418U CN 202475418 U CN202475418 U CN 202475418U CN 2012200975629 U CN2012200975629 U CN 2012200975629U CN 201220097562 U CN201220097562 U CN 201220097562U CN 202475418 U CN202475418 U CN 202475418U
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- power line
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Abstract
The utility model relates to a signal sending device using a power line. The signal sending device comprises a signal input port, a signal conversion module, a power conversion module and a power transmission line which are connected in sequence. Signals are coupled to the power after being converted into the signals according with a power line network communication standard by the cooperation of the signal conversion module and the power conversion module, the signals are then transmitted through the power line, and meanwhile, the power or the transmitted signals are received by the power line from the power line, so that the signal sending device can efficiently solves the problems that the number of the circuits used for the wired signal transmission are large, and the wireless signal transmission is easy to generate radiation and cause information attenuation and loss.
Description
Technical field
The utility model relates to kind of a device for signalling, relates in particular to kind of a device for signalling that utilizes power line that meets power line network (HomePlug) communication standard.
Background technology
Adopt wire transmission and wireless transmission method as the existing signal transmission, use wire transmission mode to carry out the audio-video signal transmission, need on equipment, use special wire rod; Cause cost to rise like this, and can not be general between the different transmission wire rods, the use trouble caused to the user; And owing to be wire transmission; The numerous environment that cause of equipment line are mixed and disorderly, need put in order, lose time.Use wireless mode to transmit, have electromagnetic radiation and produce, human body is caused damage, and, can cause the signal transmission problems such as information dropout to occur because the characteristic of wireless signal can cause the decay of signal when penetrating barrier.
Power line network (HomePlug) technology system sees through conventional electric power and connects up transmission of digital signals.Because the user need not lay new circuit, can save the burden of laying circuit again.Simultaneously, can avoid the problem that transmission is subject to disturb like wireless network signal.Again because the power line network signal only can be in the power circuit transmission down of same ammeter, the safety issue that does not therefore have signal to leak.Consult computer shown in Figure 1, general 91 and can be connected in the transducer (adapter) 93 that meets the power line network communication standard through transmission line 92 signals, wherein, transmission line 92 can be USB cable or RJ-45 grid line.Transducer 93 has attaching plug and can be plugged in the supply socket 94.By this, the signal of computer 91 can be sent on the power wiring 95 in the wall through adapter 93.On the other hand, the modulator-demodulator 96 that is connected in the internet can see through another adapter 97 that meets the power line network communication standard internet signal is sent to power wiring 95.By this, can see through power wiring 95 between computer 91 and the modulator-demodulator 96 and transmit internet signal.In addition, equipment such as other the computer or the networking telephone (figure does not show) also can be reached the signal transmission with the access internet signal through identical mode and 96 of modulator-demodulators simultaneously.
Yet; Because computer 91 and modulator-demodulator 96 still need see through power line 98,99 respectively and be plugged in supply socket 94,90 so that it operates required electric power by power wiring 95 supplies; Therefore produce computer 91 and modulator- demodulator 96 and 94,90 various problems of circuit of supply socket; Not only influence attractive in appearancely, reduce the convenience that the user installs simultaneously.Therefore, how to develop and a kind of new device for signalling, can supply user's electrification spider lines technology transfer signal more expediently, become this novel theme that further will inquire into then.
Summary of the invention
The utility model purpose provides kind of a device for signalling that utilizes power line that improves ease of use.
The utility model adopts following technical scheme: sender unit comprises signal input port, signal conversion module, power switching module, the power transmission line that connects in regular turn;
Signal conversion module: be electrically connected on signal source through input port, and be coupled to electric power after this conversion of signals become to meet the power line network communication standard, this signal transfers to power line via power transmission line;
Power switching module: be electrically connected on power transmission line, signal conversion module and signal source; Receive the electric power of described signal conversion module or signal source output, and be supplied to this signal source and this signal conversion module after transferring it to signal source or signal conversion module required electric power.
Described signal is video signal, audio signal or control signal.
Described signal conversion module comprises Signal Exchange Processing module and coupling module in regular turn.
Described signal conversion module also comprises modulator-demodulator, and its input connects the Signal Exchange Processing module, and output connects coupling module.
Described power line network communication standard is the Ethernet standard.
The utility model adopts above technical scheme; Utilize cooperatively interacting of signal conversion module and power switching module; Be coupled to electric power after conversion of signals become to meet the power line network communication standard; Make signal can see through power line and transmit, receive electric power or send a signal to power line from power line simultaneously, thus the problem of avoiding various or wireless transmission generation radiation of the wired transmission lines of signal and information attenuation to lose.
Description of drawings
Combine accompanying drawing that the utility model is done progressive the detailed description at present:
Fig. 1 is the general computer and the hardware syndeton sketch map of modem application networking Technology on Power Lines;
Fig. 2 is the hardware syndeton sketch map of this novel signal conveyer.
Embodiment
See also shown in Figure 2ly, the utility model comprises in regular turn signal input port 22, signal conversion module 23, power switching module 24, the power transmission line 1 that connects; Signal is video signal, audio signal or control signal.
Signal conversion module 23: be electrically connected on signal source through input port; And be coupled to electric power after this conversion of signals become to meet the power line network communication standard; This signal transfers to power line via power transmission line, and described power line network communication standard is the Ethernet standard;
Power switching module 24: be electrically connected on power transmission line 1, signal conversion module 23 and signal source 22; Receive the electric power of described signal conversion module 23 or signal source 22 outputs, and be supplied to this signal source 22 and this signal conversion module 23 after transferring it to signal source or signal conversion module required electric power.
Described signal conversion module 23 comprises Signal Exchange Processing module 231 and coupling module 233 in regular turn.
Described signal conversion module 23 also comprises modulator-demodulator 232, and its input connects Signal Exchange Processing module 231, and output connects coupling module 233.
Signal Exchange Processing module 231: be to the signal data module of signal source and instruction control module sends data-signal and command signal is carried out data processing; Signal is carried out encoding and decoding; The traffic spike of processing such as encryption and decryption and level translation and formation specific format is sent to the modulation module; Same exchange processing module can also receive the signal from the modulation module; And handle, signal is decoded and decoding and level translation etc. obtain the commands for controlling signal, deliver to the instruction control module of front end again.
Modulator-demodulator 232: be responsible for the processed data stream signal of exchange processing module is modulated; Can control the amplification coefficient of AFE(analog front end); Adopt OFDM (Orthogonal frequency-division multiplexing; OFDM) modulation technique is modulated signal, and the modulation module also comprises signal amplifier OPA current operator amplifier amplifying signal, guarantees that the defeated signal of teletransmission still keeps stable.
Coupling module 233: the ethernet signal that will pass through after the modulation module is modulated is coupled on the power line loop.
Above-mentioned various module is integrated chip, all can be by buying or customized on the market.
The utility model preferred embodiment is following: device for signalling is electrically connected to power wiring 3.Power wiring 3 supply electric power.Power wiring 3 is to be laid in the wall 6 of building.The outside wall surface of wall 6 is provided with the supply socket 41,42 that is electrically connected on power wiring 3.Signal receiving device 5 is electrically connected on supply socket 42.Device for signalling comprises transmission line 1 and signal transmits main frame 2.It is player in the present embodiment that signal transmits main frame 2, but not as limit, it can be the main frame of personal computer main frame, STB or other signal transmission apparatus that signal transmits main frame 2.Signal receiving device 5 is display device in the present embodiment.
Signal transmits main frame 2, comprises port 21, signal source 22, signal conversion module 23, and power switching module 24.Port 21 is electrically connected on the end in addition of transmission line 1 to receive this electric power.Power switching module 24 is electrically connected on port 21, signal source 22 and signal conversion module 23.Power switching module 24 receives this electric power and it is carried out filtering to remove noise and unnecessary signal; Be supplied to signal source 22 and signal conversion module 23 after then transferring this electric power to signal source 22 and signal conversion module 23 required electric power, that is provide signal to transmit main frame 2 each assemblies running required electric power.Signal source 22 produces signal.This signal is video signal, audio signal or control signal.In the present embodiment, this signal is a video signal.
In sum; The device for signalling of present embodiment transmits the signal conversion module 23 of main frame 2 and cooperatively interacting of power switching module 24 by signal; Making signal transmit main frame 2 can receive electric power or send a signal to power wiring 3 from power wiring 3 through transmission line 1 simultaneously, transmits the number of transmission lines between main frame 2 and the power wiring 3 thereby reduce signal, to avoid the various problem of circuit; And increase the convenience of user installation device for signalling, reach the purpose of the utility model.
The last preferred embodiment that is merely the utility model can not limit the scope that the utility model is implemented with this, and the simple equivalent of doing according to the application's claim and novel description changes and modifies, and all belongs in the scope that this patent contains.
Claims (5)
1. utilize the sender unit of power line, it is characterized in that: it comprises signal input port, signal conversion module, power switching module, the power transmission line that connects in regular turn;
Signal conversion module: be electrically connected on signal source through input port, and be coupled to electric power after this conversion of signals become to meet the power line network communication standard, this signal transfers to power line via power transmission line;
Power switching module: be electrically connected on power transmission line, signal conversion module and signal source; Receive the electric power of described signal conversion module or signal source output, and be supplied to this signal source and this signal conversion module after transferring it to signal source or signal conversion module required electric power.
2. according to the described device for signalling of claim 1, it is characterized in that: described signal is video signal, audio signal or control signal.
3. according to the described device for signalling of claim 1, it is characterized in that: described signal conversion module comprises Signal Exchange Processing module and coupling module in regular turn.
4. according to the described device for signalling of claim 3, it is characterized in that: described signal conversion module also comprises modulator-demodulator, and its input connects the Signal Exchange Processing module, and output connects coupling module.
5. according to the described device for signalling of claim 1, it is characterized in that: described power line network communication standard is the Ethernet standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200975629U CN202475418U (en) | 2012-03-15 | 2012-03-15 | Signal sending device using power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200975629U CN202475418U (en) | 2012-03-15 | 2012-03-15 | Signal sending device using power line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202475418U true CN202475418U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200975629U Expired - Fee Related CN202475418U (en) | 2012-03-15 | 2012-03-15 | Signal sending device using power line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202475418U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489300A (en) * | 2013-08-28 | 2014-01-01 | 安徽天健水处理设备有限公司 | Control signal transmission method for inductive ventilation system |
| WO2016138847A1 (en) * | 2015-03-01 | 2016-09-09 | Edge Electrons Limited | Method and apparatus to solve pfc capacitor reduction of line aflc ripple without passive filters |
-
2012
- 2012-03-15 CN CN2012200975629U patent/CN202475418U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489300A (en) * | 2013-08-28 | 2014-01-01 | 安徽天健水处理设备有限公司 | Control signal transmission method for inductive ventilation system |
| WO2016138847A1 (en) * | 2015-03-01 | 2016-09-09 | Edge Electrons Limited | Method and apparatus to solve pfc capacitor reduction of line aflc ripple without passive filters |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20150315 |
|
| EXPY | Termination of patent right or utility model |