CN204190792U - A kind of PoE Ethernet exchanging circuit - Google Patents
A kind of PoE Ethernet exchanging circuit Download PDFInfo
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- CN204190792U CN204190792U CN201420644613.4U CN201420644613U CN204190792U CN 204190792 U CN204190792 U CN 204190792U CN 201420644613 U CN201420644613 U CN 201420644613U CN 204190792 U CN204190792 U CN 204190792U
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Abstract
The utility model discloses a kind of PoE Ethernet exchanging circuit, be usually used in Ethernet, it comprises power over ethernet split circuit, Ethernet exchanging circuit, DC/DC power-switching circuit, PoE power supply circuits and Power over Ethernet circuit; Described power over ethernet split circuit is connected with Ethernet exchanging circuit, DC/DC power-switching circuit and PoE power supply circuits, and this power over ethernet split circuit is connected with the first master communication interface; Described Ethernet exchanging circuit is connected with PoE power supply circuits and Power over Ethernet circuit; Described DC/DC power-switching circuit is connected with PoE power supply circuits; Described PoE power supply circuits are connected with secondary communication interface; Described Power over Ethernet circuit is connected with the second master communication interface.Because technique scheme is provided with power over ethernet split circuit, the electric power that first master communication interface receives can be separated with communication signal by this circuit, so the first master communication interface can only be connected with netting twine, this netting twine can simultaneously for transferring electric power and communication signal, without the need to arranging power line again, thus greatly reduce wiring cost.
Description
Technical field
The utility model relates to a kind of PoE Ethernet exchanging transmission circuit.
Background technology
In existing PoE ethernet switching system, PoE Ethernet exchanging cannot transmit the power being greater than more than 100 watts, cause the internet exchange system of long distance also to need additionally to lay power line, this will cause the raising greatly of cost, and reduce the stability of network system; Because arrange netting twine and electric wire simultaneously, first by more for the wire rod causing buying, add stock cost, then network system is more needed to build power transmission lines and signal transmission line, namely make network system more complicated, and the network system of complexity build or later maintenance all more difficult, for user brings great inconvenience.
Utility model content
In order to overcome the deficiencies in the prior art, the power supply Ethernet transmission of main channel of the present utility model adopts nonstandard PoE power supply technique, provides the power larger than standard P oE.And the secondary communication interface be connected with external equipment, by adopting the PoE interface of standard, be satisfied with the power supply of external perimysium reference PoE equipment and the compatibility of Internet Transmission.This PoE Ethernet exchanging circuit can solve the high problem of wiring cost.
For solving the problem, the technical scheme that the utility model adopts is as follows:
A kind of PoE Ethernet exchanging, comprises power over ethernet split circuit, Ethernet exchanging circuit, DC/DC power-switching circuit, PoE power supply circuits and Power over Ethernet circuit;
Described power over ethernet split circuit is connected with the first master communication interface for receiving electric power and communication signal, and electric power is delivered to Power over Ethernet circuit and DC/DC power-switching circuit by this power over ethernet split circuit, communication signal is delivered to Ethernet exchanging circuit;
Communication signal is converted to main communication signal and secondary communication signal by described Ethernet exchanging circuit, and main communication signal is delivered to Power over Ethernet circuit, and secondary communication signal is delivered to PoE power supply circuits;
Electric power is transferred to PoE power supply circuits by described DC/DC power-switching circuit;
Described PoE power supply circuits are connected with secondary communication interface, and the electric power of reception and secondary communication signal are sent by secondary communication interface by these PoE power supply circuits;
Described Power over Ethernet circuit is connected with the second master communication interface, and the electric power of reception and main communication signal are sent by the second master communication interface by this Power over Ethernet circuit.
Preferably, also comprise backup battery circuit, this backup battery circuit is connected on the power path that power over ethernet split circuit is connected with DC/DC power-switching circuit.
Preferably, described Power over Ethernet circuit is at least one, and each Power over Ethernet circuit correspondence connects second master communication interface.
Preferably, described PoE power supply circuits are at least one, and each PoE power supply circuits correspondence connects a secondary communication interface.
Preferably, described first master communication interface, the second master communication interface and secondary communication interface are RJ45 interface.
Compared to existing technology, the beneficial effects of the utility model are:
The problem that wiring cost is high can be solved, because the utility model is provided with power over ethernet split circuit, the electric power that first master communication interface receives can be separated with communication signal by this circuit, so the first master communication interface can only be connected with netting twine, this netting twine can simultaneously for transferring electric power and communication signal, without the need to arranging power line again, thus greatly reduce wiring cost.And in a preferred approach, the utility model has set up backup battery circuit, when the power breakdown of outside input, backup battery circuit is powered automatically, makes the utility model occur still can normally working under emergency case.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Reference numeral is as follows:
1, power over ethernet split circuit; 2, Ethernet exchanging circuit; 3, DC/DC power-switching circuit; 4, PoE power supply circuits; 5, Power over Ethernet circuit; 6, backup battery circuit; 71, the first master communication interface; 72, the second master communication interface; 8, secondary communication interface.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Structural representation of the present utility model as shown in Figure 1, as we know from the figure, PoE Ethernet exchanging described in the utility model comprises power over ethernet split circuit 1, Ethernet exchanging circuit 2, DC/DC power-switching circuit 3, PoE power supply circuits 4, Power over Ethernet circuit 5, backup battery circuit 6; Described power over ethernet split circuit 1 is connected with Ethernet exchanging circuit 2, DC/DC power-switching circuit 3 and Power over Ethernet circuit 5, and this power over ethernet split circuit 1 is connected with the first master communication interface 71; Described Ethernet exchanging circuit 2 is connected with PoE power supply circuits 4 and Power over Ethernet circuit 5; Described DC/DC power-switching circuit 3 is connected with PoE power supply circuits 4; Described PoE power supply circuits 4 are connected with secondary communication interface 8; Described Power over Ethernet circuit 5 is connected with the second master communication interface 72; Described backup battery circuit 6 is connected on the power path that power over ethernet split circuit 1 is connected with DC/DC power-switching circuit 3.
Wherein, in the present embodiment, described Power over Ethernet circuit 5 is two, and each Power over Ethernet circuit 5 correspondence connects second master communication interface 72, and described PoE power supply circuits 4 are several, and each PoE power supply circuits 4 correspondence connects a secondary communication interface 8; Obviously, the number of Power over Ethernet circuit 5 and PoE power supply circuits 4 does not limit, and specifically should set according to actual needs.
In addition, in order to increase versatility of the present utility model, described first master communication interface 71, second master communication interface 72 and secondary communication interface 8 are RJ45 interface, and certainly, the type of interface is also not limited in RJ45, should select according to different demands.
When utility model works, electric power and communication signal deliver to power over ethernet split circuit 1 by the first master communication interface 71; Electric power is delivered to Power over Ethernet circuit 5 and DC/DC power-switching circuit 3 by described power over ethernet split circuit 1, communication signal is delivered to Ethernet exchanging circuit 2; Communication signal is converted to main communication signal and secondary communication signal by described Ethernet exchanging circuit 2, and main communication signal is delivered to Power over Ethernet circuit 5, and secondary communication signal is delivered to PoE power supply circuits 4; Electric power is transferred to PoE power supply circuits 4 by described DC/DC power-switching circuit 3; The electric power of reception and secondary communication signal are sent by secondary communication interface 8 by described PoE power supply circuits 4; The electric power of reception and main communication signal are sent by the second master communication interface 72 by described Power over Ethernet circuit.And when the power breakdown of outside input, backup battery circuit 6 can automatic power.
In sum, because the utility model is provided with power over ethernet split circuit 1, the electric power that first master communication interface 71 receives can be separated with communication signal by this circuit, so the first master communication interface 71 can only be connected with netting twine, this netting twine can simultaneously for transferring electric power and communication signal, without the need to arranging power line again, thus greatly reduce wiring cost.
Above-mentioned execution mode is only preferred implementation of the present utility model; can not limit the scope of the utility model protection with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present utility model all belong to the utility model scope required for protection.
Claims (5)
1. a PoE Ethernet exchanging circuit, is characterized in that: comprise power over ethernet split circuit, Ethernet exchanging circuit, DC/DC power-switching circuit, backup battery circuit, PoE power supply circuits and Power over Ethernet circuit;
Described power over ethernet split circuit is connected with the first master communication interface for receiving electric power and communication signal, and electric power is delivered to Power over Ethernet circuit and DC/DC power-switching circuit by this power over ethernet split circuit, communication signal is delivered to Ethernet exchanging circuit;
Communication signal is converted to main communication signal and secondary communication signal by described Ethernet exchanging circuit, and main communication signal is delivered to Power over Ethernet circuit, and secondary communication signal is delivered to PoE power supply circuits;
Electric power is transferred to PoE power supply circuits by described DC/DC power-switching circuit;
Described PoE power supply circuits are connected with secondary communication interface, and the electric power of reception and secondary communication signal are sent by secondary communication interface by these PoE power supply circuits;
Described Power over Ethernet circuit is connected with the second master communication interface, and the electric power of reception and main communication signal are sent by the second master communication interface by this Power over Ethernet circuit.
2. PoE Ethernet exchanging circuit according to claim 1, is characterized in that: also comprise backup battery circuit, and backup battery circuit is connected on the power path that power over ethernet split circuit is connected with DC/DC power-switching circuit.
3. PoE Ethernet exchanging circuit according to claim 1, is characterized in that: described Power over Ethernet circuit is at least one, and each Power over Ethernet circuit correspondence connects second master communication interface.
4. PoE Ethernet exchanging circuit according to claim 1, is characterized in that: described PoE power supply circuits are at least one, and each PoE power supply circuits correspondence connects a secondary communication interface.
5. the PoE Ethernet exchanging circuit according to any one of Claims 1-4, is characterized in that: described first master communication interface, the second master communication interface and secondary communication interface are RJ45 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644613.4U CN204190792U (en) | 2014-10-30 | 2014-10-30 | A kind of PoE Ethernet exchanging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644613.4U CN204190792U (en) | 2014-10-30 | 2014-10-30 | A kind of PoE Ethernet exchanging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204190792U true CN204190792U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420644613.4U Active CN204190792U (en) | 2014-10-30 | 2014-10-30 | A kind of PoE Ethernet exchanging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204190792U (en) |
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2014
- 2014-10-30 CN CN201420644613.4U patent/CN204190792U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |