CN201898248U - Device for realizing port interconnection of network power supply unit and system - Google Patents
Device for realizing port interconnection of network power supply unit and system Download PDFInfo
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- CN201898248U CN201898248U CN2010202926045U CN201020292604U CN201898248U CN 201898248 U CN201898248 U CN 201898248U CN 2010202926045 U CN2010202926045 U CN 2010202926045U CN 201020292604 U CN201020292604 U CN 201020292604U CN 201898248 U CN201898248 U CN 201898248U
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- power supply
- transformer
- ethernet
- network cable
- cable connector
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Abstract
The utility model provides a coupling device for realizing port interconnection of a network power supply unit, comprising a passive isolator and a plurality of network cable connectors, a plurality of pairs of signal wire ends of the passive isolator are electrically connected with corresponding connecting signal pins on partial of the network cable connectors, and a plurality of the corresponding signal wire ends at the other end of the passive isolator are electrically connected with corresponding connecting signal pins on the rest of the network cable connectors. In the utility model, by arranging a signal isolator between PoE (power over ethernet) ports, a power supply signal is isolated, so as to solve the problem that data communication of the network power supply unit is realized by safe coupling of the PoE ports. The coupling device for realizing port interconnection of the network power supply unit is connected simply, and is convenient to use, so as to improve the flexibility of the data communication networking.
Description
Technical field
The utility model relates to the network power supply equipment (PSE, Power Supply Equipment) of data communication system, relates in particular to the port interconnected Apparatus and system of PSE.
Background technology
Development along with the communication products technology, do not do under the situation of any change in existing Ethernet wiring architecture, network power supply equipment (PSE) is that some are based on IP (IP, Internet Protocol) terminal equipment is (as the IP phone machine, wireless local network connecting point AP and web camera etc.) transmission of data signals the time, also utilize Power over Ethernet (PoE, Power over Ethernet) technology for this reason Terminal Type equipment DC power supply is provided, make these IP-based terminal equipments need not independent power-supply device is installed again, need not to socket separately power line.These terminal equipments by the PSE power supply are called as receiving end equipment (PD, Powered Device).The network equipment that more and more has for the PoE function of these PD power supplies has been arranged, comprised router, switch and hub etc.
The port of PSE comprises non-PoE port and PoE port, respectively as depicted in figs. 1 and 2; Wherein, the netting twine transmission signals that non-PoE port connects by the RJ45 socket, not out-put supply; The netting twine that the PoE port connects by the RJ45 socket, not only transmission signals is gone back the output DC source.This DC power supply is monitored output by the power supply management unit, and its two poles of the earth are respectively PSE+ and PSE-, the scope 44V of output voltage～57V.The ethernet line that these ports connect has 8 (or 4 line to) usually, wherein is used to the line of powering to can selecting for use 1,2 lines to right with 3,6 lines, or selects for use 4,5 lines to right with 7,8 lines, or select for use four all lines to (1,2 lines are right, 3,6 lines are right, 4,5 lines, 7,8 lines).Whether the PoE port of PSE externally power supply, is by the power supply management unit controls of the PoE port inside of PSE, can be referring to Fig. 2.
The part supply line of PoE port directly with being connected of the utmost point of power supply, whether part supply line is that the controlled utmost point is connected with another utmost point of power supply by the power supply management unit controls, to reach the purpose whether control port externally powers.When the power supply management unit detected the PoE port and is connected with PD equipment, just the controlled utmost point of control section supply line and power supply was connected, and makes this PoE port externally power.The polarity that the power supply management unit controls of each PSE equipment is externally powered is also different, and some employing is controlled a utmost point of zero potential, and some then adopts a utmost point of non zero potential is controlled in addition.And the direct current supply voltage swing of PSE output also is not quite similar.
The PoE port of PSE equipment generally only is used for connecting PD equipment or non-PoE port, avoids that two PoE of two PSE equipment are port interconnected.That is to say, directly connect in the port of two network power supply equipment, have at least a port must be non-PoE port, as shown in Figure 3 with ethernet line.
When needing to carry out data communication between two the PSE equipment, the corresponding PoE port of two equipment needs interconnected.If when connecting the PoE port of different PSE equipment with netting twine, may make the electrode direct short-circuit of electrode or different potentials of equipment different electrical power polarity, big electric current appears in moment on the netting twine that causes being connected, thereby causes the PSE equipment work undesired, even serious accident occurs.So carried out transfer of data between the PSE equipment in the past, must be by the interconnected realization of non-POE port or light mouth, the interconnected complexity that this can cause port is unfavorable for the networking between the PSE equipment, and reduces because of the port link that increases can cause the reliability of PSE communication between devices transmission.
Therefore, need to consider a kind of port interconnected coupling device of PoE that can make PSE equipment, can guarantee communication safely and reliably between the PSE equipment.
The utility model content
Technical problem to be solved in the utility model provides a kind of Apparatus and system of realizing that the network power supply device port is interconnected, can guarantee communication safely and reliably between the PSE equipment.
In order to solve the problems of the technologies described above, the utility model provides a kind of coupling device of realizing that the network power supply device port is interconnected, comprise a passive isolator and a plurality of Network Cable Connector, the many of this passive isolator one side are electrically connected connection signal pins corresponding on signal line end and the part Network Cable Connector, and this passive isolator opposite side is corresponding many to corresponding connection signal pins electrical connection on signal line end and remaining Network Cable Connector.
Further, this passive isolator adopts transformer, and Network Cable Connector adopts the ethernet line socket.
Further, this passive isolator is a transformer, and each side of this transformer has 4 pairs of coils; Each ethernet line socket has 8 to connect signal pins, is electrically connected respectively with 8 corresponding signal lines ends of 4 pairs of coils of this transformer one side.
Further, this passive isolator is two transformers, and each side of each transformer has 2 pairs of coils; Each ethernet line socket has 8 to connect signal pins, is electrically connected respectively with 8 corresponding signal lines ends of totally 4 pairs of coils of these two transformer homonymies.
Further, the ethernet line socket is the RJ45 socket.
In order to solve the problems of the technologies described above, the utility model provides a kind of realization network power supply device port system for interconnecting, comprises a plurality of network power supply equipment and a coupling device, and this coupling device comprises a passive isolator and a plurality of Network Cable Connector;
Each network power supply equipment links to each other by the Ethernet netting twine with each Network Cable Connector by a device port; The many of passive isolator one side in this coupling device are electrically connected connection signal pins corresponding on signal line end and the part Network Cable Connector, and this passive isolator opposite side is corresponding many to corresponding connection signal pins electrical connection on signal line end and remaining Network Cable Connector.
Further, described device port comprises Power over Ethernet port and non-Ethernet power supply port.
Further, Network Cable Connector comprises ethernet line socket and ethernet line plug; This ethernet line plug is connected to the Ethernet netting twine; Passive isolator is a transformer, and each side of this transformer has 4 pairs of coils; Each ethernet line socket has 8 to connect signal pins, is electrically connected respectively with 8 corresponding signal lines ends of 4 pairs of coils of this transformer one side.
Further, Network Cable Connector comprises ethernet line socket and ethernet line plug; This passive isolator is two transformers, and each side of each transformer has 2 pairs of coils; Each ethernet line socket has 8 to connect signal pins, is electrically connected respectively with 8 corresponding signal lines ends of totally 4 pairs of coils of these two transformer homonymies.
Further, the ethernet line socket should be RJ45 socket and RJ45 connector mutually with the ethernet line plug.
The utility model compared with prior art, the communication that realizes network power supply equipment is not limited to have the participation of non-PoE port, but such as the such signal isolator of transformer power supply signal is isolated, thereby solved network power supply equipment is realized data communication by the safety coupling of PoE port problem by between the PoE port, adding one.And device of the present utility model connects simple, and is easy to use, improved the flexibility of data communication network networking.In planning during networking, do not require that the user must make to use up mouthful or other connected mode realizes network power supply data transfer between devices, and can not cause system's cisco unity malfunction because of two PoE ports between the direct interconnection network power supply unit.
Description of drawings
Fig. 1 is the structural representation of the non-PoE port of existing network power supply equipment;
Fig. 2 is the structural representation of the PoE port of existing network power supply equipment;
Fig. 3 is the existing connection diagram that connects two network power supply equipment with ethernet line;
Fig. 4 is the interconnected coupling device embodiment of the utility model realization network power supply device port and the structural representation of system embodiment;
Fig. 5 is the inner detailed structural representation of the coupling device embodiment shown in Fig. 4.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment the technical solution of the utility model is at length set forth.The embodiment that below exemplifies only is used for description and interpretation the utility model, and does not constitute the restriction to technical solutions of the utility model.
The realization network power supply device port system for interconnecting embodiment that the utility model provides comprises two network power supply equipment (network power supply equipment 1,2), is connected the coupling device between these two network power supply equipment as shown in Figure 4, wherein:
Two network power supply equipment are used to adopt PoE port separately to link to each other with coupling device by netting twine;
Coupling device is used for connecting with two Network Cable Connectors that can be connected netting twine respectively by passive isolator.
Passive isolator in the coupling device for example adopts transformer or other passive signal isolator to realize; Can connect and adopt the RJ45 socket that can connect the Ethernet netting twine to realize among the Network Cable Connector of netting twine such as Fig. 4.
The utility model is except system implementation exception shown in Figure 4, can also exemplify out other and realize network power supply device port system for interconnecting embodiment, for example network power supply equipment can be plural a plurality of, adopts PoE port separately to link to each other with coupling device by the Ethernet netting twine; And coupling device of the present utility model can connect with a plurality of interface sockets that can be connected the Ethernet netting twine respectively by passive isolator, thereby realizes that a network power supply equipment and a plurality of network power supply equipment pass through the interconnected of PoE port.
Fig. 5 is the inner detailed structure of coupling device embodiment shown in Figure 4, and coupling device comprises a transformer and two RJ45 sockets that can be connected the Ethernet netting twine, wherein:
Transformer is used for by the many of both sides coil being connected the signal pins connection accordingly with the RJ45 socket respectively as passive isolator;
The RJ45 socket, the connection signal pins that is used for connecting the coil of transformer connects the Ethernet netting twine by the grafting RJ45 connector.
If each side has the transformer of 4 pairs of coils, then only need a transformer, as shown in Figure 5; If each side has the transformer of 2 pairs of coils, then need two transformers; ... by that analogy.RJ45 socket inside has 8 and connects signal pins, respectively reference numeral 1～8.Transformer among Fig. 5 has 4 pairs of coils, and each all has 2 signal connecting lines to coil in the transformer both sides, and numbering is respectively 1,2,3,6,4,5,7,8, and promptly each side of transformer all has 8 signal connecting lines.8 pins of RJ45 inside all link to each other with the signal connecting line of the identical numbering of a side of transformer.So, just can realize being connected to the isolation of subsidiary power supply on two RJ45 socket signals of PoE port of two network power supply equipment, both guarantee the fail safe of power supply, also keep the unimpeded of transmission signals by netting twine.
Claims (10)
1. coupling device of realizing that the network power supply device port is interconnected, it is characterized in that, comprise a passive isolator and a plurality of Network Cable Connector, the many of described passive isolator one side are electrically connected connection signal pins corresponding on signal line end and the part Network Cable Connector, and described passive isolator opposite side is corresponding many to corresponding connection signal pins electrical connection on signal line end and remaining Network Cable Connector.
2. according to the described coupling device of claim 1, it is characterized in that described passive isolator adopts transformer, described Network Cable Connector adopts the ethernet line socket.
3. according to the described coupling device of claim 2, it is characterized in that described passive isolator is a transformer, each side of described transformer has 4 pairs of coils; Each ethernet line socket has 8 to connect signal pins, is electrically connected respectively with 8 corresponding signal lines ends of 4 pairs of coils of described transformer one side.
4. according to the described coupling device of claim 2, it is characterized in that described passive isolator is two transformers, each side of each transformer has 2 pairs of coils; Each ethernet line socket has 8 to connect signal pins, is electrically connected respectively with 8 corresponding signal lines ends of totally 4 pairs of coils of these two transformer homonymies.
5. according to claim 3 or 4 described coupling devices, it is characterized in that described ethernet line socket is the RJ45 socket.
6. realize network power supply device port system for interconnecting for one kind, comprise a plurality of network power supply equipment and a coupling device, it is characterized in that described coupling device comprises a passive isolator and a plurality of Network Cable Connector;
Each network power supply equipment links to each other by the Ethernet netting twine with each Network Cable Connector by a device port; The many of one side of passive isolator described in the described coupling device are electrically connected connection signal pins corresponding on signal line end and the part Network Cable Connector, and described passive isolator opposite side is corresponding many to corresponding connection signal pins electrical connection on signal line end and remaining Network Cable Connector.
7. according to the described system of claim 6, it is characterized in that described device port comprises Power over Ethernet port and non-Ethernet power supply port.
8. according to the described system of claim 7, it is characterized in that described Network Cable Connector comprises ethernet line socket and ethernet line plug; Described ethernet line plug is connected to described Ethernet netting twine; Described passive isolator is a transformer, and each side of described transformer has 4 pairs of coils; Each ethernet line socket has 8 to connect signal pins, is electrically connected respectively with 8 corresponding signal lines ends of 4 pairs of coils of described transformer one side.
9. according to the described system of claim 7, it is characterized in that described Network Cable Connector comprises ethernet line socket and ethernet line plug; Described passive isolator is two transformers, and each side of each transformer has 2 pairs of coils; Each ethernet line socket has 8 to connect signal pins, is electrically connected respectively with 8 corresponding signal lines ends of totally 4 pairs of coils of these two transformer homonymies.
10. according to claim 7 or 8 described systems, it is characterized in that described ethernet line socket should be RJ45 socket and RJ45 connector mutually with the ethernet line plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202926045U CN201898248U (en) | 2010-08-12 | 2010-08-12 | Device for realizing port interconnection of network power supply unit and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202926045U CN201898248U (en) | 2010-08-12 | 2010-08-12 | Device for realizing port interconnection of network power supply unit and system |
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| CN201898248U true CN201898248U (en) | 2011-07-13 |
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| CN2010202926045U Expired - Fee Related CN201898248U (en) | 2010-08-12 | 2010-08-12 | Device for realizing port interconnection of network power supply unit and system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106797093A (en) * | 2014-08-20 | 2017-05-31 | 百富(澳门离岸商业服务)有限公司 | For the POE of 10GBASE T Ethernets |
| CN109343412A (en) * | 2018-11-05 | 2019-02-15 | 郑州煤机液压电控有限公司 | Hydraulic support electronic control system signal coupler |
| CN112202572A (en) * | 2020-09-21 | 2021-01-08 | 普联国际有限公司 | POE power transmission device, POE switch and POE system |
| CN114006785A (en) * | 2021-11-12 | 2022-02-01 | 西安云维智联科技有限公司 | Single-twisted-pair TSN passive coupler and design method |
-
2010
- 2010-08-12 CN CN2010202926045U patent/CN201898248U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106797093A (en) * | 2014-08-20 | 2017-05-31 | 百富(澳门离岸商业服务)有限公司 | For the POE of 10GBASE T Ethernets |
| CN106797093B (en) * | 2014-08-20 | 2019-10-18 | 百富(澳门离岸商业服务)有限公司 | Power over Ethernet for 10GBASE-T Ethernet |
| CN109343412A (en) * | 2018-11-05 | 2019-02-15 | 郑州煤机液压电控有限公司 | Hydraulic support electronic control system signal coupler |
| CN112202572A (en) * | 2020-09-21 | 2021-01-08 | 普联国际有限公司 | POE power transmission device, POE switch and POE system |
| CN114006785A (en) * | 2021-11-12 | 2022-02-01 | 西安云维智联科技有限公司 | Single-twisted-pair TSN passive coupler and design method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170502 Address after: 430223, building 3, Zhongxing building, Optics Valley Industrial Park, Wuhan Road, East Lake New Technology Development Zone, Wuhan, Hubei, China Patentee after: WUHAN ZHONGXING SOFTWARE CO., LTD. Address before: 518057 Nanshan District Guangdong high tech Industrial Park, South Road, science and technology, ZTE building, Ministry of Justice Patentee before: ZTE Corporation |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110713 Termination date: 20170812 |