CN206673584U - Power supply adaptor with power line communication function - Google Patents
Power supply adaptor with power line communication function Download PDFInfo
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- CN206673584U CN206673584U CN201720408059.3U CN201720408059U CN206673584U CN 206673584 U CN206673584 U CN 206673584U CN 201720408059 U CN201720408059 U CN 201720408059U CN 206673584 U CN206673584 U CN 206673584U
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Abstract
The disclosed power supply adaptor with power line communication function of the utility model, including a switching power circuit and a modulation-demodulation circuit, the switching power circuit includes an EMC circuits, one switching power source control circuit, one power transformer and an opto-coupled feedback circuit, EMC circuit input ends are connected with supply lines, EMC circuit output end connecting valve power control circuit inputs, switching power source control circuit output end connects power transformer input and opto-coupled feedback circuit input end, power transformer output end and opto-coupled feedback circuit output end are connected to an output interface；A current rectifying and wave filtering circuit is accessed between the switching power circuit EMC circuits and the power transformer, between power transformer and output interface；The modulation-demodulation circuit input connecting valve power circuit output end, modulation-demodulation circuit output end connect the output interface.The utility model realizes the information transfer capability of voltage conversion function and equipment room simultaneously.
Description
Technical field
A kind of power supply adaptor is the utility model is related to, more particularly to a kind of power adaptation with power line communication function
Device.
Background technology
The intelligence communication of electronics, electrical equipment, internet of things equipment generally requires network connection at present（Netting twine, WIFI, etc.）
And power supply adaptor power supply.Their connection needs two networks（1st, communication network, 2, supply network）, so wiring or net
Material that is more complicated or needing is more in terms of network.
Power line communication（Power Line Communication, English abbreviation PLC）Technology refers to pass using power line
A kind of communication mode of transmission of data and media signal.The technology is that the high frequency of carrying information is loaded on electric current and then passed with electric wire
The defeated adapter for receiving information separates high frequency from electric current and is sent to computer or smart machine is to realize information again
Transmit.
Power supply adaptor is by the power supply module of line voltage conversion forming apparatus operating voltage, is typically now switching regulator electricity
Source, it is to utilize modern power electronics technology, the time ratio of controlling switch transistor ON and shut-off, maintains stable output electricity
A kind of power supply of pressure.Switching Power Supply is typically by pulse width modulation（PWM）IC and MOSFET is controlled to form.
As shown in figure 1, in supply network and LAN, various equipment and router need to be respectively connected to power adaptation
Electric current is accessed and supplies other equipment after changing, separately by the socket of plug grafting supply lines one end by device, power supply adaptor
Outer each equipment also needs to, by network wiring connection route device, to complete the information transfer of equipment room, program grid line cloth
Line is complicated.
In view of this, the present inventor especially works out the power supply adaptor with power line communication function, thus this case is produced
It is raw.
Utility model content
The purpose of this utility model is to provide a kind of power supply adaptor with power line communication function, and it not only has
Voltage conversion and function of supplying power, the also available power line being connected with adapter realize the information transfer of equipment room.
To achieve these goals, the technical solution of the utility model is as follows：
Power supply adaptor with power line communication function, including：
One switching power circuit, the switching power circuit include an EMC circuits, a switching power source control circuit, an electricity
Source transformer and an opto-coupled feedback circuit, EMC circuit input ends are connected with supply lines, EMC circuit output end connecting valve power supplys
Control circuit input, switching power source control circuit output end connection power transformer input and the input of opto-coupled feedback circuit
End, power transformer output end and opto-coupled feedback circuit output end are connected to an output interface；The switching power circuit EMC
Between circuit and the power transformer, a current rectifying and wave filtering circuit is accessed between power transformer and output interface；And
One modulation-demodulation circuit, the modulation-demodulation circuit input connecting valve power circuit output end, modulation /demodulation
Circuit output end connects the output interface.
Described power supply adaptor also include positioned at modulation-demodulation circuit upstream termination power and T/R pole changers and
Network transformer positioned at modulation-demodulation circuit downstream, wherein the modulation-demodulation circuit include a modulator, an oscillator and
One demodulator, the termination power input are connected with supply lines, termination power output end connection T/R pole changers one end, T/R
Demodulator input and modulator output end in pole changer other end connection modulation-demodulation circuit, the connection of modulator input
Oscillator input, demodulator output end and oscillator input are all connected with the network transformer a bit, and network transformer is another
One end connects the output interface.
The output interface uses RJ45 connector.
After such scheme, utility model works principle is as follows：Switching power circuit provides the work needed for equipment
Voltage x current, while also powered to modulation-demodulation circuit；Equipment is when sending information, using modulation-demodulation circuit by user data
It is modulated, the high frequency of carrying information is loaded on power input, is then transmitted on power line, believes in equipment interface
During breath, first pass through current rectifying and wave filtering circuit and take out modulated signal, then demodulated by modulation-demodulation circuit, obtain former signal of communication simultaneously
Device end is sent to, to realize information transmission, each equipment identifies in a manner of distributing IP address.
The beneficial effects of the utility model are：Power supply adaptor of the present utility model has the energy-saving design of efficient green.
The input of power supply adaptor is also the interface of carrier wave power line, and the output end and output interface of power supply adaptor can be set to intelligence
While available electricity, information transmission can also be carried out, and on information carrier to the power line being connected with input, will realize that road supplies
The function of electricity and information transfer, eliminate the network layout in LAN, cost-effective and frock program.
The utility model is described further below in conjunction with the drawings and specific embodiments.
Brief description of the drawings
Fig. 1 is conventional local area network and power-supplying patch schematic diagram；
Fig. 2 is the utility model structure diagram；
Fig. 3 is the LAN and power-supplying patch schematic diagram of the utility model application.
Embodiment
As shown in Fig. 2 the power supply adaptor with power line communication function that the utility model embodiment one discloses, bag
Include：
One switching power circuit, the switching power circuit include an EMC circuits, a switching power source control circuit, an electricity
Source transformer and an opto-coupled feedback circuit, EMC circuit input ends are connected with supply lines, EMC circuit output end connecting valve power supplys
Control circuit input, switching power source control circuit output end connection power transformer input and the input of opto-coupled feedback circuit
End, power transformer output end and opto-coupled feedback circuit output end are connected to an output interface；The switching power circuit EMC
Between circuit and the power transformer, a current rectifying and wave filtering circuit is accessed between power transformer and output interface；And
One modulation-demodulation circuit, the modulation-demodulation circuit input connecting valve power circuit output end, modulation /demodulation
Circuit output end connects the output interface.
Described power supply adaptor also include positioned at modulation-demodulation circuit upstream termination power and T/R pole changers and
Network transformer positioned at modulation-demodulation circuit downstream, wherein modulation-demodulation circuit include a modulator, an oscillator and a solution
Adjust device（Not shown in figure）, above-mentioned termination power is made up of coupled capacitor and isolating transformer, termination power input and power supply
Line connects, termination power output end connection T/R pole changers one end, in T/R pole changers other end connection modulation-demodulation circuit
Demodulator input and modulator output end, modulator input connection oscillator input, demodulator output end and vibration
Device input is all connected with the network transformer a bit, and the network transformer other end connects the output interface.
Output interface uses RJ45 connector, and RJ45 network standard interface can carry out data exchange and power supply with straight through cable
Transmission, certain output interface can also use other types, and this needs to need to go to arrange in pairs or groups according to equipment.
As shown in figure 3, the utility model in use, power supply adaptor input by plug connect power supply line end socket,
Then supply network is accessed, power supply adaptor output end namely output interface connect equipment（Such as computer, intelligent appliance, game machine
Deng）Or network outside line, switching power circuit carry out voltage conversion, and the operating voltage electricity needed for equipment can be provided after decompression processing
Stream, while also powered to modulation-demodulation circuit；Equipment is adjusted user data using modulation-demodulation circuit when sending information
The high frequency of carrying information, is loaded on power input, is then transmitted on power line by system, in equipment interface information,
First pass through current rectifying and wave filtering circuit to take out modulated signal, then demodulated by modulation-demodulation circuit, obtain former signal of communication and transmit
To device end, to realize information transmission, each equipment is identified in a manner of distributing IP address.So as to power supply of the present utility model
The information of adapter and devices exchange can be loaded directly into the power network of power supply adaptor input port, be of course also apply to use it
He carries out data exchange and power delivery by split conductor.
Specific embodiment of the utility model is these are only, not to the restriction of the scope of protection of the utility model.It is all according to
The equivalent variations that the mentality of designing of this case is done, each fall within the protection domain of this case.
Claims (3)
1. the power supply adaptor with power line communication function, it is characterised in that including：
One switching power circuit, the switching power circuit include an EMC circuits, a switching power source control circuit, a power supply and become
Depressor and an opto-coupled feedback circuit, EMC circuit input ends are connected with supply lines, EMC circuit output end connecting valve power supplies
Circuit input end, switching power source control circuit output end connection power transformer input and opto-coupled feedback circuit input end, electricity
Source transformer output end and opto-coupled feedback circuit output end are connected to an output interface；The switching power circuit EMC circuits
Between the power transformer, a current rectifying and wave filtering circuit is accessed between power transformer and output interface；And
One modulation-demodulation circuit, the modulation-demodulation circuit input connecting valve power circuit output end, modulation-demodulation circuit
Output end connects the output interface.
2. there is the power supply adaptor of power line communication function as claimed in claim 1, it is characterised in that：Described power supply is fitted
Orchestration is also included positioned at the termination power and T/R pole changers of modulation-demodulation circuit upstream and positioned at modulation-demodulation circuit downstream
Network transformer, wherein the modulation-demodulation circuit includes a modulator, an oscillator and a demodulator, the termination power
Input is connected with supply lines, and termination power output end connection T/R pole changers one end, T/R pole changers other end connection is adjusted
Demodulator input and modulator output end in demodulator circuit processed, modulator input connection oscillator input, demodulator
Output end and oscillator input are all connected with the network transformer a bit, and the network transformer other end connection output connects
Mouthful.
3. there is the power supply adaptor of power line communication function as claimed in claim 1, it is characterised in that：The output interface
Using RJ45 connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720408059.3U CN206673584U (en) | 2017-04-18 | 2017-04-18 | Power supply adaptor with power line communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720408059.3U CN206673584U (en) | 2017-04-18 | 2017-04-18 | Power supply adaptor with power line communication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673584U true CN206673584U (en) | 2017-11-24 |
Family
ID=60372711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720408059.3U Active CN206673584U (en) | 2017-04-18 | 2017-04-18 | Power supply adaptor with power line communication function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206673584U (en) |
-
2017
- 2017-04-18 CN CN201720408059.3U patent/CN206673584U/en active Active
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