CN101976831A - Gigabit LAN (Local Area Network) lightning arrester with PoE (Power on Ethernet) function - Google Patents
Gigabit LAN (Local Area Network) lightning arrester with PoE (Power on Ethernet) function Download PDFInfo
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- CN101976831A CN101976831A CN2010105200788A CN201010520078A CN101976831A CN 101976831 A CN101976831 A CN 101976831A CN 2010105200788 A CN2010105200788 A CN 2010105200788A CN 201010520078 A CN201010520078 A CN 201010520078A CN 101976831 A CN101976831 A CN 101976831A
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- discharge tube
- kilomega network
- lightning protection
- transformer
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Abstract
The invention discloses a gigabit LAN (Local Area Network) lightning arrester with a PoE (Power on Ethernet) function, comprising a transformer connected with the gigabit LAN through signal lines. The transformer comprises four windings, wherein the central taps of the primary sides and the secondary sides of at least two windings are connected through inductors. The gigabit LAN (Local Area Network) lightning arrester with the PoE (Power on Ethernet) function further comprises ceramic gas discharge tubes, the center taps of the primary sides of the windings of the transformer are grounded through the ceramic gas discharge tubes. The gigabit LAN (Local Area Network) lightning arrester with the PoE (Power on Ethernet) function can be used for transmitting signals and simultaneously supplying PoE for the gigabit LAN, and further protecting gigabit LAN equipment from lightning.
Description
Technical field
The present invention relates to the lightning protection field, specially refer to a kind of kilomega network lightning protection device with the PoE function.
Background technology
Power over Ethernet (Power Over Ethernet, PoE) refer to 100
Be under the situation that existing Ethernet Cat.5 wiring architecture does not make any changes, when being some IP-based terminals such as transmission of data signals such as IP phone machine, wireless local network connecting point or web camera, also kind equipment provides the technology of direct current supply for this reason.
With reference to Fig. 1, PoE lightning protection at present mainly is to connect first lightning-protection module 12 and second lightning-protection module 13 between PoE control chip 14 and RJ45 interface 11, but the PoE lightning protection of this kind mode can only be used for 100,000,000 nets at present, and for kilomega network, because 8 holding wires of RJ45 interface 11 must be used for the signal transmission simultaneously in the kilomega network, the holding wire that is not used for PoE separately can't adopt aforesaid way to carry out the equipment lightning protection.Therefore, present kilomega network equipment does not have PoE and PoE lightning protection.
Summary of the invention
Main purpose of the present invention provides PoE for a kind of kilomega network lightning protection device with the PoE function is provided when can be the kilomega network transmission signals, further, kilomega network equipment is carried out lightning protection.
The present invention proposes a kind of kilomega network lightning protection device with the PoE function, comprises the transformer that is connected with the holding wire of kilomega network, and described transformer comprises four windings, it is characterized in that, wherein the centre cap of the primary side of at least two windings and secondary side is connected by inductance.
Preferably, the kilomega network lightning protection device of described band PoE function also comprises ceramic gas discharge tube, and the primary side centre cap of the winding of described transformer is by ceramic gas discharge tube ground connection.
Preferably, when 4/5 and 7/8 line of described holding wire when being supply lines, the kilomega network lightning protection device of described band PoE function also comprises first semiconductor discharge tube, and the secondary side centre cap of the winding that the right winding of described 4/5 line and 7/8 line are right is connected by first semiconductor discharge tube.
Preferably, when 1/2 and 3/6 line of described holding wire when being supply lines, the kilomega network lightning protection device of described band PoE function also comprises second semiconductor discharge tube, and the secondary side centre cap of the winding that the right winding of described 1/2 line and 3/6 line are right is connected by second semiconductor discharge tube.
Preferably, the kilomega network lightning protection device of described band PoE function also comprises discharge tube, and each discharge tube connects with the secondary side holding wire of corresponding winding respectively.
The kilomega network lightning protection device of band PoE function provided by the invention utilizes the transformer that carries out the signal transmission, and the primary side of Transformer Winding and the centre cap of secondary side are connected with inductance, realizes the PoE function of kilomega network.Further, connect ceramic gas discharge tube in the tap of transformer primary side again, realize the PoE lightning protection of kilomega network.
Description of drawings
Fig. 1 is the prior art constructions schematic diagram;
Fig. 2 is the structural representation of kilomega network lightning protection device one embodiment of band PoE function of the present invention;
Fig. 3 is the structural representation of the another embodiment of kilomega network lightning protection device of band PoE function of the present invention;
Fig. 4 is the structural representation of the another embodiment of kilomega network lightning protection device of band PoE function of the present invention;
Fig. 5 is the structural representation of the another embodiment of kilomega network lightning protection device of band PoE function of the present invention;
Fig. 6 is the structural representation of the another embodiment of kilomega network lightning protection device of band PoE function of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
The kilomega network lightning protection device of band PoE function provided by the invention utilizes the transformer that carries out the signal transmission, and the primary side of Transformer Winding and the centre cap of secondary side are connected with inductance, realizes the PoE function of kilomega network.Further, connect ceramic gas discharge tube at transformer primary side centre cap again, realize the PoE lightning protection of kilomega network.
With reference to Fig. 2, kilomega network lightning protection device one embodiment of band PoE function of the present invention is proposed, comprise the transformer that is connected with the holding wire of kilomega network, this transformer comprises four winding T1, T2, T3 and T4, and wherein the primary side of at least two windings is connected by inductance with the secondary side centre cap.
In the present embodiment, transformer comprises four winding T1, T2, T3 and T4, and the primary side of each winding is connected by inductance L 1, L2, L3 and L4 with the centre cap of secondary side.The direct current supply that has so kept holding wire has realized kilomega network transmission signals and power supply simultaneously.
It should be noted that wherein two windings that also can utilize four windings such as T1, T2 or T3, T4 power, the primary side of these two windings and the centre cap of secondary side are connected by inductance L 1, L2 or L3, L4, finish direct current supply.
The kilomega network lightning protection device of band PoE function provided by the invention utilizes the transformer that carries out the signal transmission, and the primary side of Transformer Winding and the centre cap of secondary side are connected with inductance, realizes the PoE function of kilomega network.
With reference to Fig. 3, the another embodiment of kilomega network lightning protection device of band PoE function is proposed, in kilomega network lightning protection device one embodiment of band PoE function, also comprise discharge tube U1, U2, U3 and U4, the primary side centre cap of winding is by this ceramic gas discharge tube U1, U2, U3 and U4 ground connection.
When not being struck by lightning energy, the kilomega network lightning protection device of band PoE function is realized according to power supply and two parts of signal:
Power pack adopts 1/2,3/6 or 4/5,7/8 two pair of holding wire power supply, because inductance L 1, L2, L3 are connected the primary side of each winding in the transformer with L4 with the centre cap of secondary side, it is complete having kept the power supply of 1/2,3/6 or 4/5,7/8 two pair of differential signal line;
Signal section with isolating most with equipment interference noise outward in the equipment, makes its signal attenuation minimum by four winding U1, U2, U3 and the U4 transmission signal of whole four pairs of holding wires by transformer.
When the thunderbolt energy arrives; the form of expression of thunderbolt energy is a common mode energy; promptly be high pressure conditions on 8 signal line; because the reasons in structure of transformer; high-pressure energy is discharged into the earth by ceramic gas discharge tube U1, U2, U3 and the U4 that is connected with each winding centre cap, at input equipment is protected.
In four windings of the transformer of present embodiment, the primary side of each winding is connected by inductance with the centre cap of secondary side, in actual applications, can select 1/2,3/6 or 4/5,7/8 two pair of holding wire to power arbitrarily, the primary side of these two groups of windings and the centre cap of secondary side are connected by inductance, to save cost.
The kilomega network lightning protection device of band PoE function provided by the invention utilizes the transformer that carries out the signal transmission, and the primary side of Transformer Winding and the centre cap of secondary side are connected with inductance, realizes the PoE function of kilomega network.Further, connect ceramic gas discharge tube U1, U2, U3 and U4 at transformer primary side centre cap again, realize the PoE lightning protection of kilomega network.
With reference to Fig. 4, the another embodiment of kilomega network lightning protection device of band PoE function of the present invention is proposed, in kilomega network lightning protection device one embodiment of band PoE function, when 4/5 and 7/8 line of holding wire when being supply lines, the secondary side centre cap of the winding that the right winding of 4/5 line and 7/8 line are right is connected by the first semiconductor discharge tube D1.
The circuit of power pack; because the inconsistency of ceramic gas discharge tube discharge; can cause the existence of differential mode energy; by the first semiconductor discharge tube D1 between the secondary side centre cap of the right winding of the right winding of 4/5 line and 7/8 line; with the scope of voltage clamp, reach the purpose of protection PoE control chip in safety.
The kilomega network lightning protection device of band PoE function provided by the invention utilizes the transformer that carries out the signal transmission, and the primary side of Transformer Winding and the centre cap of secondary side are connected with inductance, realizes the PoE function of kilomega network.Further, the centre cap at transformer primary side and secondary side is connected ceramic gas discharge tube U1, U2, U3 and U4 respectively again, realizes the PoE lightning protection of kilomega network.Further, place the first semiconductor discharge tube D1 between the secondary side centre cap of the corresponding winding of supply lines, finish meticulous protection.
With reference to Fig. 5, the another embodiment of kilomega network lightning protection device of band PoE function of the present invention is proposed, in kilomega network lightning protection device one embodiment of band PoE function, when 1/2 and 3/6 line of holding wire when being supply lines, the secondary side centre cap of the winding that the right winding of 1/2 line and 3/6 line are right is connected by the second semiconductor discharge tube D2.
The circuit of power pack; because the inconsistency of ceramic gas discharge tube discharge; can cause the existence of differential mode energy; by second semiconductor discharge D2 pipe between the secondary side centre cap of the right winding of the right winding of 1/2 line and 3/6 line; with the scope of voltage clamp, reach the purpose of protection PoE control chip in safety.
The kilomega network lightning protection device of band PoE function provided by the invention utilizes the transformer that carries out the signal transmission, and the primary side of Transformer Winding and the centre cap of secondary side are connected with inductance, realizes the PoE function of kilomega network.Further, the centre cap at transformer primary side and secondary side is connected ceramic gas discharge tube U1, U2, U3 and U4 respectively again, realizes the PoE lightning protection of kilomega network.Further, place the second semiconductor discharge tube D2 between the secondary side centre cap of the corresponding winding of supply lines, finish meticulous protection.
With reference to Fig. 6, the another embodiment of kilomega network lightning protection device of band PoE function of the present invention is proposed, in kilomega network lightning protection device one embodiment of band PoE function, also comprise discharge tube TVS1, TVS2, TVS3 and TVS4, each discharge tube connects with the secondary side holding wire of corresponding winding respectively.
Sub-fraction thunderbolt energy is coupled to the secondary side of transformer because the centre cap of winding is not symmetrical fully in the transformer, and this moment, discharge tube TVS1, TVS2, TVS3 and the TVS4 by secondary side sponged, and reached the purpose of protection Ethernet IC.
Present embodiment utilizes transformer good signal transmission capacity and its centre tapped symmetry, makes lightning energy that the energy that is coupled to secondary side is diminished.In order to guarantee the normal realization of POE, also need to use the centre cap of transformer simultaneously, be i.e. corresponding connection of centre cap of primary side and secondary side, make it to guarantee the POE functional integrity.
The kilomega network lightning protection device of band PoE function provided by the invention utilizes the transformer that carries out the signal transmission, and the primary side of Transformer Winding and the centre cap of secondary side are connected with inductance, realizes the PoE function of kilomega network.Further, the centre cap at transformer primary side and secondary side is connected ceramic gas discharge tube respectively again, realizes the PoE lightning protection of kilomega network.Further, transformer the secondary side holding wire between place discharge tube TVS1, TVS2, TVS3 and TVS4, realize protection to Ethernet IC.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (5)
1. the kilomega network lightning protection device with the PoE function comprises the transformer that is connected with the holding wire of kilomega network, and described transformer comprises four windings, it is characterized in that, wherein the centre cap of the primary side of at least two windings and secondary side is connected by inductance.
2. the kilomega network lightning protection device of band PoE function as claimed in claim 1 is characterized in that also comprise ceramic gas discharge tube, the primary side centre cap of the winding of described transformer is by ceramic gas discharge tube ground connection.
3. the kilomega network lightning protection device of PoE function as claimed in claim 2, it is characterized in that, when 4/5 and 7/8 line of described holding wire when being supply lines, also comprise first semiconductor discharge tube, the secondary side centre cap of the winding that the right winding of described 4/5 line and 7/8 line are right is connected by first semiconductor discharge tube.
4. as the kilomega network lightning protection device of claim 2 or 3 described PoE functions, it is characterized in that, when 1/2 and 3/6 line of described holding wire when being supply lines, also comprise second semiconductor discharge tube, the secondary side centre cap of the winding that the right winding of described 1/2 line and 3/6 line are right is connected by second semiconductor discharge tube.
5. as the kilomega network lightning protection device of claim 2 or 3 described PoE functions, it is characterized in that, also comprise discharge tube, each discharge tube connects with the secondary side holding wire of corresponding winding respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105200788A CN101976831A (en) | 2010-10-26 | 2010-10-26 | Gigabit LAN (Local Area Network) lightning arrester with PoE (Power on Ethernet) function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105200788A CN101976831A (en) | 2010-10-26 | 2010-10-26 | Gigabit LAN (Local Area Network) lightning arrester with PoE (Power on Ethernet) function |
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| CN101976831A true CN101976831A (en) | 2011-02-16 |
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| CN2010105200788A Pending CN101976831A (en) | 2010-10-26 | 2010-10-26 | Gigabit LAN (Local Area Network) lightning arrester with PoE (Power on Ethernet) function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769439A (en) * | 2011-05-03 | 2012-11-07 | 富士康(昆山)电脑接插件有限公司 | Filter circuit applied to connector |
| CN104934957A (en) * | 2015-07-10 | 2015-09-23 | 上海斐讯数据通信技术有限公司 | POE switch lightning protection circuit |
| CN114221313A (en) * | 2021-12-07 | 2022-03-22 | 深圳市共进电子股份有限公司 | Protection system and floating equipment |
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| CN2682711Y (en) * | 2003-09-26 | 2005-03-02 | 华为技术有限公司 | A protective device |
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| US20070284941A1 (en) * | 2006-06-08 | 2007-12-13 | Steven Andrew Robbins | Power Cross-Coupler for Power over Ethernet |
| CN101247236A (en) * | 2008-03-19 | 2008-08-20 | 杭州华三通信技术有限公司 | Ethernet power receiving equipment and its protection method |
| CN201854028U (en) * | 2010-10-26 | 2011-06-01 | 深圳市槟城电子有限公司 | Gigabit network thunder preventer with function of PoE (Power over Ethernet) |
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2010
- 2010-10-26 CN CN2010105200788A patent/CN101976831A/en active Pending
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| CN2682711Y (en) * | 2003-09-26 | 2005-03-02 | 华为技术有限公司 | A protective device |
| CN1658464A (en) * | 2004-02-21 | 2005-08-24 | 华为技术有限公司 | Protection method of multiplexer network interface and communication equipment with multiplexer network interface |
| US20070284941A1 (en) * | 2006-06-08 | 2007-12-13 | Steven Andrew Robbins | Power Cross-Coupler for Power over Ethernet |
| CN101247236A (en) * | 2008-03-19 | 2008-08-20 | 杭州华三通信技术有限公司 | Ethernet power receiving equipment and its protection method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769439A (en) * | 2011-05-03 | 2012-11-07 | 富士康(昆山)电脑接插件有限公司 | Filter circuit applied to connector |
| CN104934957A (en) * | 2015-07-10 | 2015-09-23 | 上海斐讯数据通信技术有限公司 | POE switch lightning protection circuit |
| CN114221313A (en) * | 2021-12-07 | 2022-03-22 | 深圳市共进电子股份有限公司 | Protection system and floating equipment |
| CN114221313B (en) * | 2021-12-07 | 2023-09-15 | 深圳市共进电子股份有限公司 | Protection system and floating equipment |
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Application publication date: 20110216 |