CN203416320U - USB interface homeplug and USB interface homeplug adapter - Google Patents
USB interface homeplug and USB interface homeplug adapter Download PDFInfo
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- CN203416320U CN203416320U CN201320542219.5U CN201320542219U CN203416320U CN 203416320 U CN203416320 U CN 203416320U CN 201320542219 U CN201320542219 U CN 201320542219U CN 203416320 U CN203416320 U CN 203416320U
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Abstract
The utility model embodiment discloses a USB interface homeplug comprising a first USB interface, a demultiplexing circuit, a zero-crossing demultiplexing circuit, a power line communication processing module and an ethernet port; the utility model also discloses a USB interface homeplug adapter comprising an AC live wire input end, an AC zero line input end, an AC-DC conversion circuit, a power line signal coupling circuit and a second USB interface; the USB interface homeplug is connected with the USB interface homeplug adapter through the USB interface of the USB interface homeplug, so power supply and power line signal transmission are realized, thereby providing safe low-voltage power line communication applications for users, and providing application expansion for other equipment and homeplugs, so power line communication modes become various and more flexible.
Description
Technical field
The utility model relates to power communication field, is specifically related to a kind of USB interface Homeplug and USB interface Homeplug adapter.
Background technology
Homeplug is a kind of modulator-demodulator that carries out broadband access network by power line, claim again electric power modem, by Homeplug, ethernet signal can be modulated in certain signal frequency range and be loaded in 220V civil power and propagate, like this on the node of any one within the scope of electrical network, can modulation signal in electrical network be demodulated to original ethernet signal by Homeplug, reach the object that electric power network is become to broadband network.
There is following problem in the Homeplug of prior art: Direct Plug-In Homeplug can only fixed socket position, dumb, cannot move; Keep Clear-High Voltage in the Homeplug existence of lengthening AC power cord; DC twin wire Homeplug temporarily exists technical bottleneck to realize; Five core power connections are comparatively complicated, need customization, and cost is high.
Summary of the invention
The utility model embodiment provides a kind of USB interface Homeplug, comprising: the first USB interface, demultiplexing circuit, zero cross signal split circuit, power line communication processing module and Ethernet network interface,
The VCC of described the first USB interface, GND are connected with outside DC power anode, ground wire respectively, the VCC of described the first USB interface, GND are also connected with the input of described power line communication processing module, the D-of described the first USB interface, D+ are connected with outside low-voltage AC TR-, TR+ respectively, the D-of described the first USB interface, D+ are also connected with the input of described demultiplexing circuit, make described the first USB interface obtain TR-signal and the TR+ signal of outside DC power anode signal and ground signal and low-voltage AC
The input of described demultiplexing circuit is also connected with the input of power line communication processing module, described demultiplexing circuit is for separating the two-way electric-power wire communication signal that is coupling in outer low pressure alternating current, and described isolated two-way power communication signal is sent to described power line communication processing module
The D-of described the first USB interface, D are also connected with the input of described zero cross signal split circuit, described zero cross signal split circuit is connected with the input of described power line communication processing module, described zero cross signal split circuit is for isolating zero passage detection signal from outside low-voltage AC TR-, TR+, and zero passage detection signal is transported to described power line communication processing module
The output of described power line communication processing module is connected with described Ethernet network interface, and described power line communication processing module is used for receiving two-way electric-power wire communication signal and zero passage detection signal, generates ethernet signal, is sent to described Ethernet interface.
The utility model embodiment also provides a kind of USB interface Homeplug adapter, for the USB interface by self, be connected with described USB interface Homeplug, it is characterized in that, comprise: alternating current fire wire input, alternating current zero line input, interchange-DC converting circuit, power line signal coupling circuit and secondary USB interface
Described alternating current fire wire input is connected with the input of AC-DC change-over circuit with described alternating current zero line input, and described alternating current fire wire input is also connected with the input of described power line signal coupling circuit with described alternating current zero line input,
Two outputs of described AC-DC change-over circuit are connected with GND with the VCC of described secondary USB interface respectively, described interchange-DC converting circuit is for being converted to DC power supply by 220V electric main, and to the VCC of described secondary USB interface, send the positive signal of DC power supply, to the GND of described secondary USB interface, send the ground signal of DC power supply
Two outputs of described power line signal coupling circuit are connected with D+ with the D-of described secondary USB interface respectively, for the D-to described secondary USB interface, provide TR-signal, to the D+ of described secondary USB interface, provide TR+ signal,
Described power line signal coupling circuit, for the electric main that contains electric-power wire communication signal is converted into the low-voltage AC that same frequency still contains electric-power wire communication signal, makes the described USB interface Homeplug being connected with described USB interface Homeplug adapter can from low-voltage AC, extract zero passage detection signal.
In the utility model, USB interface Homeplug can be realized power supply and transferring electric power line signal by USB interface Homeplug adapter, for user provides the power line communication application of safe low pressure, for doing of other equipment and Homeplug application expansion, make the mode of power line communication more versatile and flexible.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of a kind of USB interface Homeplug in the utility model embodiment;
Fig. 2 is the circuit theory diagrams of the another kind of USB interface Homeplug in the utility model embodiment;
Fig. 3 is the circuit theory diagrams of a kind of USB interface Homeplug adapter in the utility model embodiment.
Embodiment
The utility model embodiment provides a kind of USB interface Homeplug and USB interface Homeplug adapter, is below elaborated.
As shown in Figure 1, USB interface Homeplug comprises the first usb 1 01, demultiplexing circuit 102, zero cross signal split circuit 103, power line communication processing module 104 and Ethernet network interface 105, the VCC of the first usb 1 01, GND respectively with outside DC power anode, ground wire is connected, it should be noted that, what the utility model embodiment realized is a kind of USB interface Homeplug of separate type, this USB interface Homeplug can be powered by independent USB interface Homeplug adapter, so VCC of the first usb 1 01, the positive pole of the DC power supply providing with USB interface Homeplug adapter is provided GND, ground wire is connected.The VCC of the first usb 1 01, GND are also connected with the input of power line communication processing module 104, thereby realize, to power line communication processing module 104, provide power supply.The D-of the first usb 1 01, D+ are connected with outside low-voltage AC TR-, TR+ respectively, and the first USB interface can be obtained TR-signal and the TR+ signal of outside DC power anode signal and ground signal and low-voltage AC.
The D-of the first usb 1 01, D+ are also connected with the input of demultiplexing circuit 102, the input of demultiplexing circuit 102 is connected with the input of power line communication processing module 104, demultiplexing circuit 102 can be separated the two-way electric-power wire communication signal being coupling in outer low pressure alternating current, thereby realize TR-, TR+ and after demultiplexing circuit 102, isolate two-way electric-power wire communication signal, and this two-way electric-power wire communication signal is transported to power line communication processing module 104.It should be noted that, what the utility model embodiment realized is a kind of USB interface Homeplug of separate type, this USB interface Homeplug can be powered by independent USB interface Homeplug adapter, therefore USB interface Homeplug adapter is coupling in the two-way electric-power wire communication signal in outer low pressure alternating current, can separate by the demultiplexing circuit 102 of USB interface Homeplug.
The D-of the first usb 1 01, D are also connected with the input of zero cross signal split circuit 103, zero cross signal split circuit 103 is connected with the input of power line communication processing module 104, TR-, TR+ isolate zero passage detection signal through zero cross signal split circuit 103, and zero passage detection signal is transported to power line communication processing module 104.
The output of power line communication processing module 104 is connected with Ethernet network interface 105, power line communication processing module 104 receives two-way electric-power wire communication signal and zero passage detection signal, generate ethernet signal, be sent to Ethernet interface 104, thereby realize function of surfing the Net.
Referring to Fig. 2, optionally, demultiplexing circuit 102 comprises communications transformer 1021,2 electric capacity 1022, at two inputs of communications transformer 1021 electric capacity 1022 of connecting separately, two outputs of communications transformer 1021 are connected with the input of power line communication processing module 104, two outputs of communications transformer 1021 are respectively to power line communication processing module 104 output one road electric-power wire communication signals, and two inputs of communications transformer 1021 are connected with D-, the D+ of the first usb 1 01 respectively.It should be noted that, 2 electric capacity 1022 are used same label in Fig. 2, do not illustrate that these two electric capacity are in full accord, and just indicate them is all electric capacity in circuit.
Referring to Fig. 2, optional, zero cross signal split circuit 103 comprises an electric capacity 1031.
What the utility model embodiment realized is a kind of USB interface Homeplug of separate type, this USB interface Homeplug can be by the power supply of USB interface Homeplug adapter and transferring electric power line signal, referring to Fig. 3, USB interface Homeplug adapter comprises alternating current fire wire input 201, alternating current zero line input 202, interchange-DC converting circuit 203, power line signal coupling circuit 204 and secondary USB interface 205.Alternating current fire wire input 201(is the AC-L shown in Fig. 3) be the AC-N shown in Fig. 3 with alternating current zero line input 202() be connected with the input of AC-DC change-over circuit 203, alternating current fire wire input 201(is the AC-L shown in Fig. 3) be the AC-N shown in Fig. 3 with alternating current zero line input 202() be also connected with the input of power line signal coupling circuit 204.
Two outputs of AC-DC change-over circuit 203 are connected with GND with the VCC of secondary USB interface 205 respectively, that is to say, the VCC of secondary USB interface 205 obtains positive pole (VCC) signal of DC power supply, and the GND of secondary USB interface 205 obtains the ground wire of DC power supply (GND) signal; Two outputs of power line signal coupling circuit 204 are connected with D+ with the D-of secondary USB interface 205 respectively, to the D-of described secondary USB interface, provide TR-signal, to the D+ of described secondary USB interface, provide TR+ signal.
Interchange-DC converting circuit 203, for 220V electric main is converted to DC power supply, in the utility model embodiment, can provide the DC power supply of 12V, 5V or the different magnitudes of voltage of 3.3V according to actual needs to USB interface Homeplug.
Power line signal coupling circuit 204 is converted into by the electric main that contains electric-power wire communication signal the low-voltage AC that same frequency still contains electric-power wire communication signal, and the Homeplug being connected with this adapter can extract zero passage detection signal from low-voltage AC.
Concrete, power line signal coupling circuit 204 comprises communications transformer 2041, an input of communications transformer 2041 is in series with an electric capacity 2042, being connected to alternating current fire wire input 201(is the AC-L shown in Fig. 3 again), another input of communications transformer 2041 is the AC-N shown in Fig. 3 with alternating current zero line input 202() be connected, 2 outputs of communications transformer 2041 electric capacity 2043 of connecting separately, then be connected with D+ with the D-of secondary USB interface 205 respectively.It should be noted that, 2 electric capacity 2043 are used same label in Fig. 3, do not illustrate that these two electric capacity are in full accord, and just indicate them is all electric capacity in circuit.
In addition, in the utility model embodiment, in the first usb 1 01 and secondary USB interface 205 just for distinguishing two USB interface, there is not the implication in sequence in the description of " first ", " second ".
The USB interface Homeplug adapter that the utility model embodiment provides can be realized VCC, D-, D+ and the GND that VCC, TR-, TR+ ,GND tetra-road signals is sent to one to one to corresponding secondary USB interface 205, thereby having realized the external interface of this adapter is USB general-purpose interface, can be connected with outside Universal USB, that is to say and can be connected with the first usb 1 01 of USB interface Homeplug.
USB interface Homeplug can be realized power supply and transferring electric power line signal by USB interface Homeplug adapter, for user provides the power line communication application of safe low pressure, for doing of other equipment and Homeplug application expansion, make the mode of power line communication more versatile and flexible.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (5)
1. a USB interface Homeplug, is characterized in that, comprising: the first USB interface (101), demultiplexing circuit (102), zero cross signal split circuit (103), power line communication processing module (104) and Ethernet network interface (105),
The VCC of described the first USB interface (101), GND respectively with outside DC power anode, ground wire is connected, the VCC of described the first USB interface (101), GND is also connected with the input of described power line communication processing module (104), the D-of described the first USB interface (101), D+ respectively with outside low-voltage AC TR-, TR+ is connected, the D-of described the first USB interface (101), D+ is also connected with the input of described demultiplexing circuit (102), make described the first USB interface (101) obtain TR-signal and the TR+ signal of outside DC power anode signal and ground signal and low-voltage AC,
The input of described demultiplexing circuit (102) is also connected with the input of described power line communication processing module (104), described demultiplexing circuit (102) is for separating the two-way electric-power wire communication signal that is coupling in outer low pressure alternating current, and described isolated two-way power communication signal is sent to described power line communication processing module (104)
D-, the D of described the first USB interface (101) is also connected with the input of described zero cross signal split circuit (103), described zero cross signal split circuit (103) is connected with the input of described power line communication processing module (104), described zero cross signal split circuit (103) is isolated zero passage detection signal for low-voltage AC TR-, the TR+ from outside, and described zero passage detection signal is transported to described power line communication processing module (104)
The output of described power line communication processing module (104) is connected with described Ethernet network interface (105), described power line communication processing module (104) is for receiving described two-way electric-power wire communication signal and described zero passage detection signal, generate ethernet signal, be sent to described Ethernet interface (105).
2. USB interface Homeplug according to claim 1, is characterized in that,
Described demultiplexing circuit (102) comprises communications transformer (1021), 2 electric capacity (1022), at two inputs of described communications transformer (1021) described electric capacity (1022) of connecting separately, two outputs of described communications transformer (1021) are connected with the input of described power line communication processing module (104), two outputs of described communications transformer (1021) are for exporting a road electric-power wire communication signal to described power line communication processing module (104) respectively, two inputs of described communications transformer (1021) respectively with the D-of described the first USB interface (101), D+ is connected.
3. USB interface Homeplug according to claim 1 and 2, is characterized in that,
Described zero cross signal split circuit (103) comprises an electric capacity (1031).
4. a USB interface Homeplug adapter, for the USB interface by self, be connected with described USB interface Homeplug, it is characterized in that, comprise: alternating current fire wire input (201), alternating current zero line input (202), interchange-DC converting circuit (203), power line signal coupling circuit (204) and secondary USB interface (205)
Described alternating current fire wire input (201) is connected with the input of AC-DC change-over circuit (203) with described alternating current zero line input (202), described alternating current fire wire input (201) is also connected with the input of described power line signal coupling circuit (204) with described alternating current zero line input (202)
Two outputs of described AC-DC change-over circuit (203) are connected with GND with the VCC of described secondary USB interface (205) respectively, described interchange-DC converting circuit (203) is for being converted to DC power supply by 220V electric main, and to the VCC of described secondary USB interface (205), send the positive signal of DC power supply, to the GND of described secondary USB interface (205), send the ground signal of DC power supply
Two outputs of described power line signal coupling circuit (204) are connected with D+ with the D-of described secondary USB interface (205) respectively, for the D-to described secondary USB interface (205), provide TR-signal, D+ to described secondary USB interface (205) provides TR+ signal
Described power line signal coupling circuit (204), for the electric main that contains electric-power wire communication signal is converted into the low-voltage AC that same frequency still contains electric-power wire communication signal, makes the described USB interface Homeplug being connected with described USB interface Homeplug adapter can from low-voltage AC, extract zero passage detection signal.
5. a kind of USB interface Homeplug adapter according to claim 4, is characterized in that,
Described power line signal coupling circuit (204) comprises communications transformer (2041), an input of described communications transformer (2041) is in series with an electric capacity (2042), be connected to again described alternating current fire wire input (201), another input of described communications transformer (2041) is connected with described alternating current zero line input (202), 2 outputs of described communications transformer (2041) electric capacity (2043) of connecting separately, then be connected with D+ with the D-of described secondary USB interface (205) respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542219.5U CN203416320U (en) | 2013-09-02 | 2013-09-02 | USB interface homeplug and USB interface homeplug adapter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320542219.5U CN203416320U (en) | 2013-09-02 | 2013-09-02 | USB interface homeplug and USB interface homeplug adapter |
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| CN203416320U true CN203416320U (en) | 2014-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541735A (en) * | 2020-04-13 | 2021-10-22 | 中国移动通信集团终端有限公司 | Transmission performance testing method, device, equipment and medium for power modem |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541735A (en) * | 2020-04-13 | 2021-10-22 | 中国移动通信集团终端有限公司 | Transmission performance testing method, device, equipment and medium for power modem |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191112 Address after: B353, building 13, No. 232, Waihuan East Road, Xiaoguwei street, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangdong Guanglian Electronic Technology Co.,Ltd. Address before: 510006 Guangdong city of Guangzhou province Panyu District Xiaoguwei Street Outer Ring Road No. 232 building 13 B350 Co-patentee before: Guangzhou Guanglian Digital Home Industry Technology Research Institute Patentee before: Guangdong Guanglian Electronic Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210420 Address after: 050081 No. 589 West Zhongshan Road, Qiaoxi District, Hebei, Shijiazhuang Patentee after: THE 54TH RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY Group Corp. Address before: B353, building 13, No. 232, Waihuan East Road, Xiaoguwei street, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG GUANGLIAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 |