CN204291006U - A kind of Internet Transmission switching system - Google Patents
A kind of Internet Transmission switching system Download PDFInfo
- Publication number
- CN204291006U CN204291006U CN201420334611.5U CN201420334611U CN204291006U CN 204291006 U CN204291006 U CN 204291006U CN 201420334611 U CN201420334611 U CN 201420334611U CN 204291006 U CN204291006 U CN 204291006U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 13
- 244000045947 parasite Species 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 13
- 239000004744 fabric Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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Abstract
The utility model discloses a kind of Internet Transmission switching system and adapter thereof, it comprises Ethernet switch and device end, Ethernet switch is connected with device end, described Ethernet switch is connected with power supply circuits, and these power supply circuits comprise the first output circuit, the first receiving circuit and power circuit; Described device end is connected with parasite power supplier, and this parasite power supplier comprises the second output circuit, the second receiving circuit and polarity of voltage change-over circuit; Described first output circuit is connected by one group of communication cable with the second receiving circuit; Described first receiving circuit is connected by one group of communication cable with the second output circuit; The output of described power circuit is connected with the first output circuit, the first receiving circuit; The input of described polarity of voltage change-over circuit is connected with the second output circuit, the second receiving circuit, and output is connected with device end.Such scheme only need carry out handshaking and power supply by two groups of communication cables and equipment, greatly reduces production cost.
Description
Technical field
The utility model relates to a kind of Internet Transmission switching system and adapter thereof.
Background technology
Ethernet switch is a kind of network equipment forwarded for the signal of telecommunication, and it can provide for any two network nodes of access network based on ethernet switch the pathway for electrical signals exclusively enjoyed.And when adopting Ethernet switch to be connected with device end, Ethernet switch is often needed to power to device end, wherein, comparatively conventional supply power mode is that PoE powers, PoE powers according to certain complex protocol, undertaken powering and being separated by power supply integrated circuit, although it has long transmission distance, high-power advantage, but cost is high, due to major applications, particularly some engineer applied, only need short distance and small-power just can satisfy the demands, and now the PoE of standard powers and adds non-essential cost undoubtedly.
Also there is non-standard PoE power supply technique though current, it also has the advantage that circuit cost is low, and non-standard PoE power supply technique adopts 8 heart yearn transmission network and power supplys, high to cable needs, and therefore integrated cost improves, and also reduces fail safe simultaneously.
Utility model content
In order to overcome the deficiencies in the prior art, meet the low power application of short distance, the purpose of this utility model is to provide a kind of Internet Transmission switching system and adapter thereof, and this system and adapter can adopt low cost to realize the power supply of Ethernet switch to device end.
For solving the problem, the technical scheme that the utility model adopts is as follows:
A kind of Internet Transmission switching system, comprise Ethernet switch and device end, Ethernet switch is connected with device end,
Described Ethernet switch is connected with power supply circuits, and these power supply circuits comprise the first output circuit, the first receiving circuit and power circuit;
Described device end is connected with parasite power supplier, and this parasite power supplier comprises the second output circuit, the second receiving circuit and polarity of voltage change-over circuit;
Described first output circuit is connected by one group of communication cable with the second receiving circuit;
Described first receiving circuit is connected by one group of communication cable with the second output circuit;
The output of described power circuit is connected with the first output circuit, the first receiving circuit;
The input of described polarity of voltage change-over circuit is connected with the second output circuit, the second receiving circuit, and output is connected with device end.
Preferably, the output of described power circuit is connected with current foldback circuit, and this power circuit is connected with the output of the first output circuit, the receiving terminal of the first receiving circuit by current foldback circuit.
Preferably, described polarity of voltage change-over circuit comprises the first diode, the second diode, the 3rd diode and the 4th diode;
The positive pole of described first diode is connected with the receiving terminal of the second receiving circuit, and the negative pole of the first diode is connected with the negative pole of the 4th diode;
The positive pole of described second diode is connected with the positive pole of the 3rd diode, and the negative pole of the second diode is connected with the receiving terminal of the second receiving circuit;
The described positive pole of the 3rd diode is connected with the negative pole receiving end of device end, and the negative pole of the 3rd diode is connected with the output of the second output circuit;
The positive pole of described 4th diode is connected with the output of the second output circuit, and the negative pole of the 4th diode is connected with the positive pole receiving end of device end.
Preferably, described first output circuit, the first receiving circuit, the second output circuit and the second receiving circuit are equipped with phy interface end, this first output circuit is connected with Ethernet switch with the phy interface end of the first receiving circuit, and this second output circuit is connected with device end with the phy interface end of the second receiving circuit.
A kind of supplying adapter, include above-mentioned power supply circuits, these power supply circuits are connected with the first handshake interface, secondary signal Fabric Interface and power input interface, this first handshake interface and power input interface are used for being connected with Ethernet switch, and this secondary signal Fabric Interface is used for being connected with by Electric adapter.
A kind of by Electric adapter, include above-mentioned parasite power supplier, this parasite power supplier is connected with the 3rd handshake interface, the 4th handshake interface and power output interface, 4th handshake interface, power output interface are used for being connected with device end, and the 3rd handshake interface is used for being connected with supplying adapter.
Compared to existing technology, the beneficial effects of the utility model are:
Reduce production cost, because Ethernet switch of the present utility model is connected with power supply circuits, device end is connected with parasite power supplier, make Ethernet switch can carry out handshaking and power supply by two groups of communication cables (totally 4 cores) and equipment, greatly reduce production cost; And the utility model is provided with polarity of voltage change-over circuit, prevent the electric power polarity mistake of input equipment terminal, the system of ensure that can normally be run; In addition; in order to improve the fail safe of native system further; the utility model has also set up current foldback circuit in a preferred approach, prevents excessive electric current from causing damage to system, so apply above-mentioned supplying adapter and also can obtain identical beneficial effect by Electric adapter.
Accompanying drawing explanation
Fig. 1 is system schematic of the present utility model;
Fig. 2 is the utility model power supply circuits and powered connection diagram;
Fig. 3 is partial enlarged drawing of the present utility model;
Fig. 4 is the utility model supplying adapter and the connection diagram by Electric adapter.
Reference numeral is as follows:
1, Ethernet switch;
2, video camera;
3, power supply circuits; 31, the first output circuit; 32, the first receiving circuit; 33, power circuit; 34, current foldback circuit;
4, parasite power supplier; 41, the second output circuit; 42, the second receiving circuit; 43, polarity of voltage change-over circuit; 431, the first diode; 432, the second diode; 433, the 3rd diode; 434, the 4th diode;
5, phy interface end;
6, communication cable;
7, supplying adapter; 71, the first handshake interface; 72, secondary signal Fabric Interface; 73, power input interface;
8, by Electric adapter; 81, the 3rd handshake interface; 82, the 4th handshake interface; 83, power output interface.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, Internet Transmission switching system described in the utility model comprises Ethernet switch 1 and device end, Ethernet switch 1 is connected with device end, wherein this device end has multiple choices, as gate access inter-speaking device, network curtain, network lamp, IP telephone machine, network audio amplifier, network player, network alarm, intelligent computer and video camera 2 etc., for ease of illustrating, the present embodiment define equipment terminal is video camera 2.
Wherein, above-mentioned Ethernet switch 1 is connected with power supply circuits 3, and video camera 2 is connected with parasite power supplier 4, the annexation of these power supply circuits 3 and parasite power supplier 4 as shown in Figure 2, as we know from the figure:
Described power supply circuits 3 comprise the first output circuit 31, first receiving circuit 32, power circuit 33 and current foldback circuit 34, wherein, this first output circuit 31 and the first receiving circuit 32 are equipped with PHY interface end 5, and this first output circuit 31 is connected with Ethernet switch 1 with the phy interface end 5 of the first receiving circuit 32; This power circuit 33 is connected with the output of the first output circuit 31, the receiving terminal of the first receiving circuit 32 by current foldback circuit 34.
Described parasite power supplier 4 comprises the second output circuit 41, second receiving circuit 42 and polarity of voltage change-over circuit 43, wherein, this second output circuit 41 and the second receiving circuit 42 are equipped with phy interface end 5, this second output circuit 41 is connected with video camera 2 with the phy interface end 5 of the second receiving circuit 42, and the receiving terminal of this second receiving circuit 42 is connected with the output of the first output circuit 31 by one group of communication cable 6, the output of this second output circuit 41 is connected with the receiving terminal of the first receiving circuit 32 by one group of communication cable 6; According to Fig. 2 and Fig. 3, described polarity of voltage change-over circuit 43 comprises the first diode 431, second diode 432, the 3rd diode 433 and the 4th diode 434; The positive pole of described first diode 431 is connected with the receiving terminal of the second receiving circuit 42, and the negative pole of the first diode 431 is connected with the negative pole of the 4th diode 434; The positive pole of described second diode 432 is connected with the positive pole of the 3rd diode 433, and the negative pole of the second diode 432 is connected with the receiving terminal of the second receiving circuit 42; The described positive pole of the 3rd diode 433 is connected with the negative pole receiving end of video camera 2, and the negative pole of the 3rd diode 433 is connected with the output of the second output circuit 41; The positive pole of described 4th diode 434 is connected with the output of the second output circuit 41, and the negative pole of the 4th diode 434 is connected with the positive pole receiving end of video camera 2.
When utility model works, signal is delivered to the first output circuit 31 by Ethernet switch 1, signal is delivered to the second receiving circuit 42 by the first output circuit 31, signal is delivered to video camera 2 by the second receiving circuit 42, and feedback signal is delivered to the second output circuit 41 by video camera 2, feedback signal is delivered to the first receiving circuit 32, first receiving circuit 32 and feedback signal is delivered to Ethernet switch 1 by the second output circuit 41, achieves the transmission of signal with this; Meanwhile, electric power is also delivered to parasite power supplier 4 through two groups of communication cables 6 by power circuit 33, and now polarity of voltage change-over circuit 43 transfers the polarity of matching with video camera 2 to the electric power received, thus realizes the normal work of video camera 2.
As shown in Figure 4, the invention also discloses a kind of supplying adapter and be subject to Electric adapter, specific as follows:
Described supplying adapter 7 includes above-mentioned power supply circuits 3, these power supply circuits 3 are connected with the first handshake interface 71, secondary signal Fabric Interface 72 and power input interface 73, this first handshake interface 71 and power input interface 73 are for being connected with Ethernet switch 1, and this secondary signal Fabric Interface 72 is for being connected with by Electric adapter 8.
The described Electric adapter 8 that is subject to includes above-mentioned parasite power supplier 4, this parasite power supplier 4 is connected with the 3rd handshake interface 81, the 4th handshake interface 82 and power output interface 83,4th handshake interface 82, power output interface 83 are for being connected with device end, video camera the 2, three handshake interface 81 such as described in the present embodiment is for being connected with supplying adapter 7.
Wherein, the first above-mentioned handshake interface 71, secondary signal Fabric Interface 72, the 3rd handshake interface 81 and the 4th handshake interface 82 are RJ45 interface, certainly, above-mentioned interface is not defined as RJ45 interface, can also be RJ11 interface etc., specifically should select according to actual conditions.
Obviously, because Ethernet switch 1 of the present utility model is connected with power supply circuits 3, video camera 2 is connected with parasite power supplier 4, make Ethernet switch 1 can carry out handshaking and power supply by two groups of communication cables 6 (totally 4 cores) and video camera 2, greatly reduce Material Cost and engineering cost, and its maximum current is also promoted to 2A from the 0.72A of prior art, make the scope of application of the present utility model wider; And the utility model is provided with polarity of voltage change-over circuit 43, prevent the electric power polarity mistake inputting video camera 2, the system of ensure that can normally be run; In addition, in order to improve the fail safe of native system further, the utility model has also set up current foldback circuit 34, prevents excessive electric current from causing damage to system, so apply above-mentioned supplying adapter 7 and also can obtain identical beneficial effect by Electric adapter 8.
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 (4)
1. an Internet Transmission switching system, comprise Ethernet switch and device end, Ethernet switch is connected with device end, it is characterized in that:
Described Ethernet switch is connected with power supply circuits, and these power supply circuits comprise the first output circuit, the first receiving circuit and power circuit;
Described device end is connected with parasite power supplier, and this parasite power supplier comprises the second output circuit, the second receiving circuit and polarity of voltage change-over circuit;
Described first output circuit is connected by one group of communication cable with the second receiving circuit;
Described first receiving circuit is connected by one group of communication cable with the second output circuit;
The output of described power circuit is connected with the first output circuit, the first receiving circuit;
The input of described polarity of voltage change-over circuit is connected with the second output circuit, the second receiving circuit, and output is connected with device end.
2. Internet Transmission switching system according to claim 1; it is characterized in that: the output of described power circuit is connected with current foldback circuit, this power circuit is connected with the output of the first output circuit, the receiving terminal of the first receiving circuit by current foldback circuit.
3. Internet Transmission switching system according to claim 1, is characterized in that: described polarity of voltage change-over circuit comprises the first diode, the second diode, the 3rd diode and the 4th diode;
The positive pole of described first diode is connected with the receiving terminal of the second receiving circuit, and the negative pole of the first diode is connected with the negative pole of the 4th diode;
The positive pole of described second diode is connected with the positive pole of the 3rd diode, and the negative pole of the second diode is connected with the receiving terminal of the second receiving circuit;
The described positive pole of the 3rd diode is connected with the negative pole receiving end of device end, and the negative pole of the 3rd diode is connected with the output of the second output circuit;
The positive pole of described 4th diode is connected with the output of the second output circuit, and the negative pole of the 4th diode is connected with the positive pole receiving end of device end.
4. the Internet Transmission switching system according to any one of claims 1 to 3, it is characterized in that: described first output circuit, the first receiving circuit, the second output circuit and the second receiving circuit are equipped with phy interface end, this first output circuit is connected with Ethernet switch with the phy interface end of the first receiving circuit, and this second output circuit is connected with device end with the phy interface end of the second receiving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420334611.5U CN204291006U (en) | 2014-06-20 | 2014-06-20 | A kind of Internet Transmission switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420334611.5U CN204291006U (en) | 2014-06-20 | 2014-06-20 | A kind of Internet Transmission switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204291006U true CN204291006U (en) | 2015-04-22 |
Family
ID=52874132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420334611.5U Expired - Lifetime CN204291006U (en) | 2014-06-20 | 2014-06-20 | A kind of Internet Transmission switching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204291006U (en) |
-
2014
- 2014-06-20 CN CN201420334611.5U patent/CN204291006U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150422 |