CN220234706U - Communication network access equipment based on G.hn protocol - Google Patents
Communication network access equipment based on G.hn protocol Download PDFInfo
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- CN220234706U CN220234706U CN202321520561.5U CN202321520561U CN220234706U CN 220234706 U CN220234706 U CN 220234706U CN 202321520561 U CN202321520561 U CN 202321520561U CN 220234706 U CN220234706 U CN 220234706U
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- 238000004891 communication Methods 0.000 title claims abstract description 29
- 238000004804 winding Methods 0.000 claims abstract description 41
- 239000003990 capacitor Substances 0.000 claims description 24
- 230000003993 interaction Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a communication network access device based on G.hn protocol, comprising: the communication network access device comprises a shell, wherein a G.hn transformer, a coaxial cable interface circuit and a twisted pair interface circuit are arranged in the shell, a first primary winding and a second primary winding of the G.hn transformer are connected with an external G.hn chip, and a first secondary winding and a second secondary winding of the G.hn transformer are respectively connected with the coaxial cable interface circuit and the twisted pair interface circuit, so that the communication network access device based on the G.hn protocol is simultaneously adapted to access the coaxial cable and the twisted pair. Compared with the prior art, the communication network access equipment based on the G.hn protocol can realize the access functions of twisted pair network cables and coaxial cables simultaneously, can reduce the number and the types of the access equipment, and ensures that the home network is convenient to wire, low in cost, convenient to maintain and unaffected in network performance.
Description
Technical Field
The utility model relates to the technical field of communication equipment, in particular to a communication network access device based on a G.hn protocol.
Background
With the continuous promotion of the pursuit of users on service experience, the requirements of higher definition video and larger flow of transmission data are continuously growing, and the wiring of old buildings and in-home networks is difficult, if the wiring cost is to be increased, the G.hn second-generation technical standard is generated, and the standard can integrate the resources of the twisted pair wires, the coaxial cables and the power lines (power lines) which are already laid, so that the networking technology for providing high bandwidth and multiple services based on the existing pipeline resources is realized.
When the existing home network is deployed, because different user terminals can realize data transmission through twisted pair wires or coaxial transmission after entering a home, two access devices respectively supporting twisted pair wires and coaxial cables are needed for the user terminals with different wiring in wiring and wiring, the deployment cost and the maintenance cost are higher, and if only one access device is used, because the twisted pair wires and the coaxial wires have different frequency and impedance characteristics and cannot be directly connected, a router needs to use other switching devices to switch, wiring and wiring are troublesome, and the suitability problem exists for different types of wires, part of performances can be sacrificed, for example, when different types of wires are connected, the signal stability and other performances are easily affected.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the communication network access equipment based on the G.hn protocol, which can be simultaneously adapted to access the coaxial cable and the twisted pair.
In order to solve the above technical problems, the present utility model provides a communication network access device based on a g.hn protocol, including: the communication network access device comprises a shell, wherein a G.hn transformer, a coaxial cable interface circuit and a twisted pair interface circuit are arranged in the shell, a first primary winding and a second primary winding of the G.hn transformer are connected with an external G.hn chip, and a first secondary winding and a second secondary winding of the G.hn transformer are respectively connected with the coaxial cable interface circuit and the twisted pair interface circuit, so that the communication network access device based on the G.hn protocol is simultaneously adapted to access the coaxial cable and the twisted pair.
The further technical scheme is as follows: the coaxial cable interface circuit comprises a third capacitor and a coaxial cable F connector, wherein the third capacitor is connected between the homonymous end of the first secondary winding of the G.hn transformer and the 1 st pin of the coaxial cable F connector, the 2 nd pin, the 3 rd pin and the 4 th pin of the coaxial cable F connector are connected with the heteronymous end of the first secondary winding of the G.hn transformer, and the coaxial cable F connector is exposed out of the outer surface of the shell, and the 5 th pin of the coaxial cable F connector is used for connecting a coaxial cable.
The further technical scheme is as follows: the twisted pair interface circuit comprises a first capacitor, a second capacitor and a twisted pair connector, wherein the first capacitor is connected between the same-name end of the second secondary winding of the G.hn transformer and one data interaction pin of the twisted pair connector, the second capacitor is connected between the different-name end of the second secondary winding of the G.hn transformer and the other data interaction pin of the twisted pair connector, and the twisted pair connector is exposed out of the outer surface of the shell so as to be connected with the twisted pair.
The further technical scheme is as follows: the twisted pair connector is an RJ45 connector, the 5 th pin of the RJ45 connector is connected with the first capacitor, and the 4 th pin of the RJ45 connector is connected with the second capacitor.
The further technical scheme is as follows: the shell is provided with an access interface which is exposed on the surface of the shell and is used for being connected with an external G.hn chip.
The beneficial technical effects of the utility model are as follows: compared with the prior art, the G.hn protocol-based communication network access device is provided with the G.hn transformer with the primary side and the secondary side being double windings, the first primary winding and the second primary winding of the G.hn transformer are both connected with an external G.hn chip, and the first secondary winding and the second secondary winding of the G.hn transformer are respectively connected with the coaxial cable interface circuit and the twisted pair interface circuit, so that the G.hn protocol-based communication network access device is simultaneously adapted to access coaxial cables and twisted pairs, namely the G.hn protocol-based communication network access device can simultaneously realize the twisted pair network cable and the coaxial cable access function, the number and the variety of access devices can be reduced, the home network wiring is convenient, the cost is lower, the maintenance is convenient, and the network performance is not affected.
Drawings
Fig. 1 is a schematic circuit diagram of an embodiment of a communication network access device based on the g.hn protocol according to the present utility model.
Detailed Description
The present utility model will be further described with reference to the drawings and examples below in order to more clearly understand the objects, technical solutions and advantages of the present utility model to those skilled in the art.
Referring to fig. 1, fig. 1 is a schematic circuit diagram of an embodiment of a communication network access device based on a g.hn protocol according to the present utility model. In the embodiment shown in the drawings, the communication network access device based on the g.hn protocol includes a housing, in which a g.hn transformer T1, a coaxial cable interface circuit 12 and a twisted pair interface circuit 13 are disposed, a first primary winding and a second primary winding of the g.hn transformer T1 are both connected to an external g.hn chip 20, and a first secondary winding and a second secondary winding of the g.hn transformer T1 are respectively connected to the coaxial cable interface circuit 12 and the twisted pair interface circuit 13, so that the communication network access device based on the g.hn protocol is adapted to access a coaxial cable and a twisted pair simultaneously. Preferably, in this embodiment, an access interface exposed on the surface of the housing and used for connecting with the external g.hn chip 20 may be provided on the housing. As can be appreciated, the primary side and the secondary side of the g.hn transformer T1 in the present utility model are duplex windings, and impedance matching can be achieved by adjusting the turns ratio of the coils in the windings, so that the best performance of the twisted pair and the coaxial cable access can be ensured, and the use scenarios of the balanced twisted pair and the unbalanced coaxial cable are considered. Based on the design, the communication network access equipment based on the G.hn protocol can realize the access functions of twisted pair network cables and coaxial cables simultaneously, can reduce the number and the types of the access equipment, and ensures that the home network is convenient to wire, has lower cost, is convenient to maintain and has no influence on network performance.
In some embodiments, the coaxial cable interface circuit 12 includes a third capacitor C3 and a coaxial cable F-connector CN2, the third capacitor C3 is connected between the homonymous end of the first secondary winding of the g.hn transformer T1 and the 1 st pin of the coaxial cable F-connector CN2, the 2 nd pin, the 3 rd pin and the 4 th pin of the coaxial cable F-connector CN2 are connected to the heteronymous end of the first secondary winding of the g.hn transformer T1, and the coaxial cable F-connector CN2 is exposed on the outer surface of the housing, and the 5 th pin thereof is used for connecting a coaxial cable. In this embodiment, the interface end of the coaxial cable F connector CN2 is exposed outside the housing, so as to connect to an external user terminal through a coaxial cable.
In some embodiments, the twisted pair interface circuit 13 includes a first capacitor C1, a second capacitor C2, and a twisted pair connector CN1, where the first capacitor C1 is connected between the same-name end of the second secondary winding of the g.hn transformer T1 and one data interaction pin of the twisted pair connector CN1, the second capacitor C2 is connected between the different-name end of the second secondary winding of the g.hn transformer T1 and the other data interaction pin of the twisted pair connector CN1, and the twisted pair connector CN1 is exposed on the outer surface of the housing to connect the twisted pair.
Specifically, the twisted pair connector CN1 is an RJ45 connector, a 5 th pin of the RJ45 connector is connected to the first capacitor C1, and a 4 th pin of the RJ45 connector is connected to the second capacitor C2. In this embodiment, the interface end of the RJ45 connector is exposed outside the housing, so as to be connected to an external user terminal through a twisted pair, thereby realizing data transmission.
In summary, the g.hn protocol-based communication network access device of the present utility model is provided with the g.hn transformer whose primary side and secondary side are duplex windings, the first primary winding and the second primary winding of the g.hn transformer are both connected to external g.hn chips, and the first secondary winding and the second secondary winding of the g.hn transformer are respectively connected to the coaxial cable interface circuit and the twisted pair interface circuit, so that the g.hn protocol-based communication network access device is adapted to access coaxial cables and twisted pairs simultaneously, and impedance matching can be achieved by adjusting the turns ratio of winding coils, so as to ensure that the best performance of the twisted pair and the coaxial cable access.
The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Various equivalent changes and modifications can be made by those skilled in the art based on the above embodiments, and all equivalent changes or modifications made within the scope of the claims shall fall within the scope of the present utility model.
Claims (5)
1. A g.hn protocol-based communication network access device, comprising: the communication network access device comprises a shell, wherein a G.hn transformer, a coaxial cable interface circuit and a twisted pair interface circuit are arranged in the shell, a first primary winding and a second primary winding of the G.hn transformer are connected with an external G.hn chip, and a first secondary winding and a second secondary winding of the G.hn transformer are respectively connected with the coaxial cable interface circuit and the twisted pair interface circuit, so that the communication network access device based on the G.hn protocol is simultaneously adapted to access the coaxial cable and the twisted pair.
2. The g.hn protocol-based communication network access device of claim 1, wherein: the coaxial cable interface circuit comprises a third capacitor and a coaxial cable F connector, wherein the third capacitor is connected between the homonymous end of the first secondary winding of the G.hn transformer and the 1 st pin of the coaxial cable F connector, the 2 nd pin, the 3 rd pin and the 4 th pin of the coaxial cable F connector are connected with the heteronymous end of the first secondary winding of the G.hn transformer, and the coaxial cable F connector is exposed out of the outer surface of the shell, and the 5 th pin of the coaxial cable F connector is used for connecting a coaxial cable.
3. The g.hn protocol-based communication network access device of claim 1, wherein: the twisted pair interface circuit comprises a first capacitor, a second capacitor and a twisted pair connector, wherein the first capacitor is connected between the same-name end of the second secondary winding of the G.hn transformer and one data interaction pin of the twisted pair connector, the second capacitor is connected between the different-name end of the second secondary winding of the G.hn transformer and the other data interaction pin of the twisted pair connector, and the twisted pair connector is exposed out of the outer surface of the shell so as to be connected with the twisted pair.
4. The g.hn protocol-based communication network access device of claim 3, wherein: the twisted pair connector is an RJ45 connector, the 5 th pin of the RJ45 connector is connected with the first capacitor, and the 4 th pin of the RJ45 connector is connected with the second capacitor.
5. The g.hn protocol-based communication network access device of claim 1, wherein: the shell is provided with an access interface which is exposed on the surface of the shell and is used for being connected with an external G.hn chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321520561.5U CN220234706U (en) | 2023-06-14 | 2023-06-14 | Communication network access equipment based on G.hn protocol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321520561.5U CN220234706U (en) | 2023-06-14 | 2023-06-14 | Communication network access equipment based on G.hn protocol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220234706U true CN220234706U (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321520561.5U Active CN220234706U (en) | 2023-06-14 | 2023-06-14 | Communication network access equipment based on G.hn protocol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220234706U (en) |
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2023
- 2023-06-14 CN CN202321520561.5U patent/CN220234706U/en active Active
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