CN209313857U - A kind of coaxial line Ethernet bridge of band PoE function - Google Patents
A kind of coaxial line Ethernet bridge of band PoE function Download PDFInfo
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- CN209313857U CN209313857U CN201920231420.9U CN201920231420U CN209313857U CN 209313857 U CN209313857 U CN 209313857U CN 201920231420 U CN201920231420 U CN 201920231420U CN 209313857 U CN209313857 U CN 209313857U
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- power supply
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Abstract
The utility model discloses a kind of coaxial line Ethernet bridge of band PoE function, including shell, it is provided with coaxial line interface, network mouth on shell, is equipped with alternating current source plate, direct current source plate, orthogonal frequency division multiplexing PLC module, coupling plate in shell；Coaxial line interface is connected with coupling plate, orthogonal frequency division multiplexing PLC module；Orthogonal frequency division multiplexing PLC module is equipped with signal output port, signal output port with PoE function and is connected with rectification/feedback unit, rectification/feedback unit is connected through direct current source plate with G.hn standard CPU, G.hn standard CPU is connected with network board, network mouth is connected with network board, alternating current source plate respectively, and alternating current source plate is connected with coupling plate；Orthogonal frequency division multiplexing PLC module is connected with cable television plate.Without being laid with new cable, transmission simultaneous transmission power supply gives coaxial line Ethernet bridge to data (DATA) directly on existing coaxial cable, and coaxial line Ethernet bridge has the function of PoE, provides working power while providing network signal to terminal device.
Description
Technical field
The utility model relates to high speed c-axial Ethernet communication device technical field more particularly to a kind of band PoE function
The coaxial line Ethernet bridge of energy.
Background technique
With the development in digital information epoch, conventional analog video monitor camera will gradually be taken the photograph by high-definition digital network
Camera is substituted, however in conventional monitoring systems transformation process, laying route again is very stubborn problem, including construction
Difficulty, welding, duration, labour cost etc..
With fiber entering household, universal, the application of 4K high definition video steaming and the commercial popularization of 5G of big bandwidth, the end of high bandwidth
End equipment increases, it is indoor need the information point of high bandwidth to quickly increase, because internal home network information point it is insufficient, be inconvenient to cause
Using cannot achieve.
Utility model content
To overcome disadvantages mentioned above, the purpose of this utility model is to provide a kind of coaxial line Ethernet bridge of band PoE function,
Internal home network connection can easily be carried out.
In order to reach the goals above, the technical solution adopted in the utility model is: a kind of coaxial line ether of band PoE function
Bridge, including shell are provided with for signal transmission, the coaxial line interface of power delivery, for setting with terminal on the shell
For the network mouth of network connection, power panel, orthogonal frequency division multiplexing PLC module are provided in the shell, for signal isolation
Coupling plate, the power panel by alternating current source plate, DC power supply board group at；
The coaxial line interface is connected with coupling plate, orthogonal frequency division multiplexing PLC module respectively；The orthogonal frequency division multiplexing
At least provided with the whole of the signal output port and signal output port and G.hn standard for having PoE function all the way in PLC module
Stream/feedback unit is connected, and the rectification/feedback unit is connected through direct current source plate with G.hn standard CPU, the G.hn standard
CPU is connected with network board, and the network mouth is connected with network board, alternating current source plate respectively, the alternating current source plate and coupling plate
It is connected；The orthogonal frequency division multiplexing PLC module is connected with cable television plate.
Coaxial line Ethernet bridge be using existing video line (coaxial line) as transmission medium come transmit high bandwidth with
Too network enables the high bandwidth terminals equipment such as 4K network, VoIP, IPC, high definition game adequately to be applied.
Rectification/feedback unit of G.hn standard, referred to as AFE, structurally, due to using IGBT power component,
So it is equivalent to an inverter, the difference is that it is direct current that its input, which is exchange output, because it is located at electric power incoming line side, institute
To be referred to as front end.The meaning of its active is that compared with traditional diode or controllable silicon commutation technique, active front end is not
It is exchange to be passively transformed into direct current, but have the control function of many actives again.It can not only Eliminate highter harmonic,
Increase power factor, and do not influenced by power network fluctuation, there is brilliant dynamic characteristic.
Furthermore, it is understood that the indicator light for display working condition is provided on the shell, the indicator light and instruction
Lamp plate is connected, and the LED Unit is connected with the G.hn standard CPU, power panel.Indicator light, which facilitates, observes its working condition.On
Stating indicator light includes power supply indicator, connection indicator light, ether meshwork lamp, terminal device connection indicator light.
Furthermore, it is understood that the network mouth is RJ45 network interface.RJ45 network interface can be used for connecting RJ-45 connector, be suitable for by
Twisted pair building network, this port be it is most common, make its connection have versatility.
Furthermore, it is understood that the G.hn standard CPU is connected with flash memory (flash memory).In this way coaxial line with
Data too on bridge can be stored to flash memory, to effectively save data.
Preferably, the direct current source plate is by a 12V DC power supply, a 5V DC power supply, a 1.5V direct current
Source, a 1.1V DC power supply, a 3.3V DC power supply, the 1.5V DC power supply, 1.1V DC power supply, 3.3V direct current
The one end in source is connected with the G.hn standard CPU, the 5V DC power supply respectively with 1.5V DC power supply, 1.1V direct current
Source, the other end of 3.3V DC power supply are connected, and the other end of the 5V DC power supply is connected with 12V DC power supply.
Furthermore, it is understood that the 5V DC power supply is connected with rectification/feedback unit signal；The 12V DC power supply and same
Isolation amplifier is provided between axis interface.Electric current on coaxial line interface is AC power source, and 12V DC power supply is straight
Galvanic electricity source avoids the two from mixing by isolation amplifier.
Compared with prior art, the utility model has the advantage that: without being laid with new cable, data (DATA) directly exist
Transmission simultaneous transmission power supply gives coaxial line Ethernet bridge on existing coaxial cable, and coaxial line Ethernet bridge has the function of PoE, to eventually
End equipment provides working power, whole compact-sized, installation simple, adaptable, maintenance side while providing network signal
Just, the beneficial effects such as low remote management and control, construction cost, long service life and powered stable can be achieved.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the utility model embodiment；
Fig. 2 is the electrical connection schematic diagram of the utility model embodiment.
In figure:
1- shell；2- mounting plate；3- indicator light；The coaxial line interface of 4-；5- network mouth；6- network board；7- alternating current source plate；
8- coupling plate；9- orthogonal frequency division multiplexing PLC module；10- cable television plate；11- voltage isolator；12- rectification/feedback unit；
13- direct current source plate；14-G.hn standard CPU；15- flash memory.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Embodiment
Referring to shown in attached drawing 1, Fig. 2, coaxial line Ethernet bridge of one of the present embodiment with PoE function, including shell
1, be provided on the shell 1 for signal transmission, power delivery coaxial line interface 4, be used for and terminal device is connected to the network
Network mouth 5, be provided with power panel, orthogonal frequency division multiplexing PLC module 9, the coupling plate 8 for signal isolation in the shell 1,
The power panel is made of alternating current source plate 7, direct current source plate 13.The coaxial line interface 4 respectively with coupling plate 8, orthogonal frequency
Multiplexing PLC module 9 is divided to be connected；It is defeated at least provided with the signal for having PoE function all the way in the orthogonal frequency division multiplexing PLC module
Exit port and signal output port is connected with rectification/feedback unit 12 of G.hn standard, the rectification/feedback unit 12 is through straight
Galvanic electricity source plate 13 is connected with G.hn standard CPU14, and the G.hn standard CPU14 is connected with network board 6, and the network mouth 5 is distinguished
It is connected with network board 6, alternating current source plate 7, the alternating current source plate 7 is connected with coupling plate 8；The orthogonal frequency division multiplexing PLC mould
Block 9 is connected with cable television plate 10.
Above-mentioned coaxial line interface 4 is received from external TV signal, network signal, power supply, and one will be blended in three
The signal risen is transferred to orthogonal frequency division multiplexing PLC module 9 and coupling plate 8, and coupling plate 8 has signal isolation, make power supply export to
Alternating current source plate 7 exports to network mouth 5 through alternating current source plate 7, network mouth 5 is made to be capable of providing power supply.Orthogonal frequency division multiplexing PLC
For module 9 by television signal transmission to cable television plate 10, network signal is transmitted to rectification/feedback unit 12, and alternating current is turned
It is changed to direct current, and network signal is subjected to data processing as direct current is delivered to G.hn standard CPU14 together, and will processing
Data afterwards are transmitted to network board 6, and coupled terminal device is transmitted a signal to through network mouth 5.Above-mentioned terminal device
The network equipments such as web camera, VoIP, 4K player, high definition game machine for support PoE function.
Furthermore, it is understood that the back side of the shell 1 has mounting plate 2, there is mounting hole on mounting plate 2, facilitate itself and its
Its equipment is connected.The indicator light 3 for display working condition is provided on shell 1, the indicator light 3 is connected with LED Unit,
The LED Unit is connected with the G.hn standard CPU14, power panel 13.Above-mentioned indicator light include power supply indicator, connection refer to
Show lamp, ether meshwork lamp, terminal device connection indicator light.Field Force, which observes aforementioned four indicator light, can learn that equipment uses
When there are the problem of, maintain easily.
Above-mentioned network mouth 5 is RJ45 network interface, facilitates the use of network mouth.
The G.hn standard CPU14 is connected with flash memory 15.G.hn standard CPU14 is facilitated to carry out data processing.
In the present embodiment, the direct current source plate 13 is by a 12V DC power supply, a 5V DC power supply, one
1.5V DC power supply, a 1.1V DC power supply, a 3.3V DC power supply, the 1.5V DC power supply, 1.1V DC power supply,
One end of 3.3V DC power supply is connected with the G.hn standard CPU14, the 5V DC power supply respectively with 1.5V DC power supply,
1.1V DC power supply, the other end of 3.3V DC power supply are connected, the other end and the 12V DC power supply phase of the 5V DC power supply
Even.Wherein: the 5V DC power supply is connected with 12 signal of rectification/feedback unit；The 12V DC power supply and coaxial line interface 4
Between be provided with isolation amplifier 11.
Coaxial line Ethernet bridge in the present embodiment has the following characteristics that
1, without being laid with new cable, data (DATA) transmission simultaneous transmission power supply directly on existing coaxial cable is given same
Axis Ethernet bridge, coaxial line Ethernet bridge have the function of PoE, provide work while providing network signal to terminal network appliance
Make power supply；
2, signal occupies 2-200MHz low frequency channel；
3, it is adjusted using OFDM modulation technique, multi-transceiver technology and adaptive channel, guarantees data stabilization under noise circumstance
Transmission.
PoE is also referred to as power supply system (PoL, Power over LAN) or active Ethernet based on local area network
(Active Ethernet), is also called Power over Ethernet for short sometimes, this is to utilize the same of existing standard Ethernet transmission cable
When transmit the newest standards specifications of data and electrical power, and maintain the compatibility with existing Ethernet system and user.IEEE
802.3af standard is the new standard based on Power over Ethernet system POE, it is increased on the basis of 802.3 IEEE passes through net
The relevant criterion that line is directly powered is the extension and first international standard about power distribution of existing ethernet standard.
Orthogonal frequency division multiplexi, i.e. OFDM (Orthogonal Frequency Division Multiplexing) are
A kind of special multi-carrier transmission scheme, it can be counted as a kind of modulation technique, can also be taken as a kind of multiplexing technology,
Data flow is resolved into several sub- bit streams by multi-carrier transmission, and sub-data flow each in this way will be with much lower bit speed
Rate goes to modulate corresponding subcarrier again, just constitutes multiple low speed with the low rate multimode symbol that such low bit rate is formed
The Transmission system that rate symbol parallel is sent.Orthogonal frequency division multiplexing is to multi-carrier modulation (MICM, Multi-Carrier
Modulation a kind of improvement), its feature is that each subcarrier is mutually orthogonal, so the frequency spectrum after band spectrum modulation can phase
Mutually overlapping not only reduces interfering with each other between subcarrier, also substantially increases the availability of frequency spectrum.
G.hn Standard Synopsis G.hn is a set of protocol specification about power supply line, telephone wire and coaxial cable, originally by English
Te Er is initiated, hereafterITUIt is responsible for customization, is promoted by Home grid Forum.G.hn standard obtains ITU's in June, 2010
The support of 191 member states, the standard can implement resource integration existing twisted pair, coaxial cable and power supply line, real
Now unified transmission.The existing building of operator and in-home network difficult wiring are solved, realizes and is provided based on existing line resource
High bandwidth, multiple services networking technology, message transmission rate reach as high as 1Gbit/s.Service supplier can utilize G.hn
The Network operation mode of plug and play and more powerful G.hn equipment concatenation ability significantly reduce installation and operation cost.
Embodiment of above is only to illustrate the technical ideas and features of the present invention, and its object is to allow be familiar with this skill
The people of art understands the content of the utility model and is implemented, and does not limit the protection scope of the present invention, and all
According to the equivalent change or modification that the spirit of the present invention is substantially done, should all cover within the protection scope of the present utility model.
Claims (6)
1. a kind of coaxial line Ethernet bridge of band PoE function, it is characterised in that: including shell (1), be arranged on the shell (1)
Have for signal transmission, the coaxial line interface (4) of power delivery, the network mouth (5) for being connected to the network with terminal device, it is described
Power panel, orthogonal frequency division multiplexing PLC module (9), the coupling plate (8) for signal isolation, the power supply are provided in shell (1)
Plate is made of alternating current source plate (7), direct current source plate (13)；
The coaxial line interface (4) is connected with coupling plate (8), orthogonal frequency division multiplexing PLC module (9) respectively；The orthogonal frequency
It is multiplexed in PLC module at least provided with the signal output port and signal output port and G.hn standard for having PoE function all the way
Rectification/feedback unit (12) be connected, the rectification/feedback unit (12) is through direct current source plate (13) and G.hn standard CPU
(14) be connected, the G.hn standard CPU (14) is connected with network board (6), the network mouth (5) respectively with network board (6), exchange
Power panel (7) is connected, and the alternating current source plate (7) is connected with coupling plate (8)；The orthogonal frequency division multiplexing PLC module with it is wired
TV plate (10) is connected.
2. coaxial line Ethernet bridge according to claim 1, it is characterised in that: be provided on the shell (1) for showing
Show the indicator light (3) of working condition, the indicator light (3) is connected with LED Unit, the LED Unit and the G.hn standard
CPU (14), power panel (13) are connected.
3. coaxial line Ethernet bridge according to claim 1, it is characterised in that: the network mouth (5) is RJ45 network interface.
4. coaxial line Ethernet bridge according to claim 1, it is characterised in that: the G.hn standard CPU is deposited with flash type
Reservoir (15) is connected.
5. coaxial line Ethernet bridge according to claim 1, it is characterised in that: the direct current source plate (13) is by one
12V DC power supply, a 5V DC power supply, a 1.5V DC power supply, a 1.1V DC power supply, a 3.3V direct current
Source, the 1.5V DC power supply, 1.1V DC power supply, 3.3V DC power supply one end with G.hn standard CPU (14) phase
Even, the 5V DC power supply is connected with the other end of 1.5V DC power supply, 1.1V DC power supply, 3.3V DC power supply respectively, institute
The other end for stating 5V DC power supply is connected with 12V DC power supply.
6. coaxial line Ethernet bridge according to claim 5, it is characterised in that: the 5V DC power supply and rectification/feedback
Unit (12) signal is connected；Isolation amplifier (11) are provided between the 12V DC power supply and coaxial line interface (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231420.9U CN209313857U (en) | 2019-02-25 | 2019-02-25 | A kind of coaxial line Ethernet bridge of band PoE function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231420.9U CN209313857U (en) | 2019-02-25 | 2019-02-25 | A kind of coaxial line Ethernet bridge of band PoE function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209313857U true CN209313857U (en) | 2019-08-27 |
Family
ID=67681740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920231420.9U Active CN209313857U (en) | 2019-02-25 | 2019-02-25 | A kind of coaxial line Ethernet bridge of band PoE function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209313857U (en) |
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- 2019-02-25 CN CN201920231420.9U patent/CN209313857U/en active Active
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