CN202353199U - Lighting-surge-preventing and lighting-preventing device for Ethernet power supply network - Google Patents
Lighting-surge-preventing and lighting-preventing device for Ethernet power supply network Download PDFInfo
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- CN202353199U CN202353199U CN2011203682697U CN201120368269U CN202353199U CN 202353199 U CN202353199 U CN 202353199U CN 2011203682697 U CN2011203682697 U CN 2011203682697U CN 201120368269 U CN201120368269 U CN 201120368269U CN 202353199 U CN202353199 U CN 202353199U
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Abstract
The utility model relates to a lighting-surge-preventing and lighting-preventing device for an Ethernet power supply network, comprising four three-pole ceramic gas discharge tubes and four transient inhibiting diode arrays, wherein poles at two ends of each three-pole ceramic gas discharge tube are respectively connected onto a primary signal wire pair, a pole at the middle of each three-pole ceramic gas discharge tube is connected to the ground, and poles at two ends of each transient inhibiting diode array are respectively connected onto the primary signal wire pair. When a surge happens, high voltage and heavy current of each line to the ground are discharged to the ground by virtue of the four three-pole ceramic gas discharge tubes, a condition that a common-mode surge is discharged to the ground is realized, and the common-mode surge is ensured not to damage rear-end equipment; surge voltage and current inhibiting among the signal wire pairs is realized by the four transient inhibiting diode arrays, voltage balance among the signal wire pairs is ensured, and differential-mode surge inhibiting is achieved; meanwhile, when no surge happens, all the lighting-preventing devices are in a high resistance state, and circuit board wire distribution adopts microstrip wire distribution, and thus a giga signal transmission requirement is met.
Description
Technical field
The utility model relates to a kind of lightning protection device of the communications field, in particular to a kind of lightning protection device of POE network.Be mainly used in the anti-thunderbolt of ether supply network surge, belong to the network ' s thunder technical field.
Background technology
POE also is called as the electric power system (POL based on local area network (LAN); Power over LAN) or active Ethernet (Active Ethernet); Sometimes also be called POE for short; This is to transmit the newest standards standard of data and electrical power when utilizing existing standard ethernet transmission cable, and has kept the compatibility with existing Ethernet system and user.
(Power over Ethernet POE) refers to through 10base-T, 100BASE-T, the power supply of 1000BASE-T ethernet network, 100 meters the most of its reliable power supply distances in the existing Ethernet power supply.This not only need to supply power for those but power supply to close the equipment be inconvenient to obtain helpful especially, and general terminal equipment also can benefit from this technology, IP phone, WAP, network security camera all are good examples.POE has many good qualities, like compatibility in flexibility, remote management capability, high reliability and the global range etc.
At present, POE equipment commonly used for the tolerance of overvoltage overcurrent all very a little less than, and various equipment all is installed in the open air.When lightning surge arrived, surge energy was easy to be transferred to POE equipment the inside, thereby causes the breaking-up of equipment even bring bigger harm.Because 8 signal snap the line in the gigabit POE net in the RJ45 interface must be used for the signal transmission simultaneously, be not used for the holding wire of POE separately, simultaneously transmission rate there is new requirement.IEEE 802.3at brings up to 30 watts with POE power by original 13 watts in addition, the new demand that proposes for the power consumption of lightning protection device, and existing thunder resisting equipment does not all reach requirement; So necessary in addition further research to this.
The utility model content
The purpose of the utility model is: can not satisfy the deficiency of gigabit POE network ' s thunder protection demand to existing thunder resisting equipment, propose a kind ofly can work as the lightning surge arrival time, prevent that effectively surge energy is transferred to inside the POE equipment, avoids the breaking-up of equipment; And POE power is by 13 watts of original gigabit POE network ' s thunder devices of bringing up to 30 watts.
The utility model is realized through following technical proposals: a kind of gigabit POE network ' s thunder hits the surge lightning protection device, comprises 4 three utmost point ceramic gas discharge tubes, 4 Transient Suppression Diode arrays; Each three utmost point ceramic gas discharge tube two end electrodes is linked the one stage signal line respectively to last, and target is connected on the ground, and each Transient Suppression Diode array two end electrodes is connected respectively to the one stage signal line to last.
As the further improvement of the utility model, in lightning protection device, also comprise a temperature safety tube and a semiconductor discharge tube; Temperature safety tube and semiconductor discharge tube are cascaded, and are connected on the target of any two Transient Suppression Diode arrays.
Further improvement as the utility model; In lightning protection device, be provided with a temperature safety tube and a semiconductor discharge tube between per two Transient Suppression Diode arrays; Temperature safety tube and semiconductor discharge tube are cascaded, and are connected on the target of per two Transient Suppression Diode arrays.
The advantage of the utility model is: this ether supply network lightning protection device can all advance not have comprehensive surge protection to all POE equipment, avoids the situation of the POE of different schemes with wrong lightning protection device.Make temperature safety tube fuse when making Transient Suppression Diode array or semiconductor discharge tube short circuit electricity cross big city for some reason.Can be with the protection power supply owing to long-time short circuit damages.Avoid the serious consequence that causes owing to short circuit.Can be gigabit networking and carry out lightning protection.
What the above was merely the utility model is applicable to equipment very the practicalities such as some APs of outdoor application for outdoor mounted, need not consider the scheme of POE, and the scheme that adapts to this all POE is arranged, and adopts microstrip lines to realize high rate data transmission.The utility model provides a kind of lightning protection device of compatible 100,000,000 POE networks, adapts to the POE network of all standards under all standards that comprise (IEEE 802.3at), has avoided using because of the POE scheme is different the possibility of wrong lightning protection device.
The advantage of the utility model is: the utility model passes through 4 three utmost point ceramic gas discharge tubes; 4 Transient Suppression Diode arrays carry out rational assembled arrangement; When lightning surge arrives, can prevent effectively that surge energy is transferred to POE equipment the inside, avoids the breaking-up of equipment; And POE power is by 13 watts of original gigabit POE network ' s thunder devices of bringing up to 30 watts.Can cross fully and satisfy the requirement that gigabit POE network ' s thunder hits surge.
Description of drawings
The structural representation of Fig. 1 the utility model POE network ' s thunder device one embodiment;
The structural representation of the another embodiment of Fig. 2 the utility model POE network ' s thunder device;
The structural representation of the another embodiment of Fig. 3 the utility model POE network ' s thunder device.
Embodiment
To combine accompanying drawing and embodiment that the utility model is done further description below; Obviously; Following execution mode is the part embodiment of the utility model, does not get rid of the technology contents according to the utility model, can not pass through any performing creative labour; Can also draw more embodiment, but these modes still all belong to the utility model category required for protection.
Embodiment one
Propose kilomega network lightning protection one embodiment of the novel ether supply network lightning protection device of the utility model with reference to Fig. 1, comprise 4 three utmost point ceramic gas discharge tubes, 4 Transient Suppression Diode arrays.
In the present embodiment, three utmost point ceramic gas discharge tubes comprise, GDT1, GDT2, GDT3 and GDT4.Each three utmost point ceramic gas discharge tube two end electrodes is linked the one stage signal line respectively to last, and target is connected on the ground.
The Transient Suppression Diode array comprises, DB1, DB2, DB3 and DB4.Each Transient Suppression Diode array two end electrodes is connected respectively to the one stage signal line to last.
When surge produces, each line high voltage over the ground, big electric current is realized discharge over the ground by 4 three utmost point ceramic gas discharges, has realized the discharge over the ground of common mode surge, has guaranteed that the common mode surge can be to the breaking-up of rear end equipment.
By 4 Transient Suppression Diode arrays realize respectively organizing holding wire to surge voltage, electric current suppress, guarantee respectively to organize holding wire between the balance of voltage, reach inhibition to the differential mode surge.
In addition when not having surge, the device that this novel lightning protection device uses all journey shows and be high-impedance state, and the employing of wiring board wiring simultaneously microstrip lines satisfies the requirement that kilomega network transmits signal.Signal transmits through lightning protection device normally, and lightning protection has just realized the general protection to kilomega network like this, and the high-speed transfer of signal.
Embodiment two
Propose POE option A network ' s thunder one embodiment of the utility model lightning protection device with reference to Fig. 2, present embodiment is on the basis of embodiment one, also comprises a temperature safety tube and semiconductor discharge tube.Temperature safety tube FUSE1 and semiconductor discharge tube TVS1 are cascaded, and are connected wherein on the target of two Transient Suppression Diode array DB1 and DB2.
When surge produced, the common surge of holding wire was realized discharge over the ground by 4 three utmost point ceramic gas discharge tubes, and the differential mode surge is realized the inhibition of surge by four Transient Suppression Diode arrays.And power line high voltage, big electric current over the ground also can be equally through realizing discharge over the ground between 1 and No. 2 line of three utmost point ceramic gas discharge tubes and between 3 and No. 6 lines of three utmost point ceramic gas discharge tubes.Between power line is positive and negative 1 and No. 2 line pair and 3 and No. 6 lines between surge be conducting to target through corresponding Transient Suppression Diode, realize that to semiconductor discharge tube TVS1 the surge between line suppresses, and realizes the protection of power unit through temperature safety tube FUSE1.Thereby lightning protection device is accomplished the general protection of signal and power supply.
Embodiment three
Propose POE option b network ' s thunder one embodiment of the utility model lightning protection device with reference to Fig. 3, it is on the basis of embodiment two, also comprises a temperature safety tube semiconductor discharge tube.Temperature safety tube FUSE2 and semiconductor discharge tube TVS1 are cascaded, 4 and 5 holding wires that are connected Transient Suppression Diode array DB3 to the right target of 7 and 8 holding wires of Transient Suppression Diode array DB4 on.
Embodiment is the same with the lightning protection of POE option A, can realize omnibearing protection to the power supply and the signal of its equipment.
The new ether supply network of the present invention lightning protection device just can all advance not have comprehensive surge protection to all POE equipment in sum, avoids the situation of the POE of different schemes with wrong lightning protection device.
Make temperature safety tube fuse when making Transient Suppression Diode array or semiconductor discharge tube short circuit electricity cross big city for some reason.Can be with the protection power supply owing to long-time short circuit damages.Avoid the serious consequence that causes owing to short circuit.
The above is merely the equipment practicalities very such as some AP that are applicable to outdoor application for outdoor mounted of the present invention, need not consider the scheme of POE, and the scheme that adapts to this all POE is arranged, and adopts microstrip lines to realize high rate data transmission.
Claims (3)
1. the anti-thunderbolt of an ether supply network surge lightning protection device is characterized in that, comprises 4 three utmost point ceramic gas discharge tubes, 4 Transient Suppression Diode arrays; Each three utmost point ceramic gas discharge tube two end electrodes is linked the one stage signal line respectively to last, and target is connected on the ground, and each Transient Suppression Diode array two end electrodes is connected respectively to the one stage signal line to last.
2. lightning protection device as claimed in claim 1 is characterized in that: in lightning protection device, also comprise a temperature safety tube and a semiconductor discharge tube; Temperature safety tube and semiconductor discharge tube are cascaded, and are connected on the target of any two Transient Suppression Diode arrays.
3. lightning protection device as claimed in claim 1; It is characterized in that: in lightning protection device, be provided with a temperature safety tube and a semiconductor discharge tube between per two Transient Suppression Diode arrays; Temperature safety tube and semiconductor discharge tube are cascaded, and are connected on the target of per two Transient Suppression Diode arrays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203682697U CN202353199U (en) | 2011-09-29 | 2011-09-29 | Lighting-surge-preventing and lighting-preventing device for Ethernet power supply network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203682697U CN202353199U (en) | 2011-09-29 | 2011-09-29 | Lighting-surge-preventing and lighting-preventing device for Ethernet power supply network |
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| Publication Number | Publication Date |
|---|---|
| CN202353199U true CN202353199U (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203682697U Expired - Fee Related CN202353199U (en) | 2011-09-29 | 2011-09-29 | Lighting-surge-preventing and lighting-preventing device for Ethernet power supply network |
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| CN (1) | CN202353199U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324739A (en) * | 2011-09-29 | 2012-01-18 | 株洲普天中普防雷科技有限公司 | Lightning strike and surge prevention method for power over Ethernet and thunder preventer |
| CN102969706A (en) * | 2012-11-23 | 2013-03-13 | 上海斐讯数据通信技术有限公司 | POE (Power Over Ethernet) power supply and lightning protection system and method |
| CN107294076A (en) * | 2017-07-20 | 2017-10-24 | 四川赛尔特科技有限公司 | The multi-functional surge protection device of network monitoring video camera |
| CN113300347A (en) * | 2021-05-27 | 2021-08-24 | 深圳远征技术有限公司 | Surge protection circuit and communication device |
-
2011
- 2011-09-29 CN CN2011203682697U patent/CN202353199U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324739A (en) * | 2011-09-29 | 2012-01-18 | 株洲普天中普防雷科技有限公司 | Lightning strike and surge prevention method for power over Ethernet and thunder preventer |
| CN102324739B (en) * | 2011-09-29 | 2014-08-27 | 株洲普天中普防雷科技有限公司 | Lightning strike and surge prevention method for power over Ethernet and thunder preventer |
| CN102969706A (en) * | 2012-11-23 | 2013-03-13 | 上海斐讯数据通信技术有限公司 | POE (Power Over Ethernet) power supply and lightning protection system and method |
| CN102969706B (en) * | 2012-11-23 | 2015-08-05 | 上海斐讯数据通信技术有限公司 | The system and method for a kind of POE Power over Ethernet lightning protection |
| CN107294076A (en) * | 2017-07-20 | 2017-10-24 | 四川赛尔特科技有限公司 | The multi-functional surge protection device of network monitoring video camera |
| CN107294076B (en) * | 2017-07-20 | 2020-07-07 | 四川赛尔特科技有限公司 | Multifunctional surge protector of network monitoring camera |
| CN113300347A (en) * | 2021-05-27 | 2021-08-24 | 深圳远征技术有限公司 | Surge protection circuit and communication device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUNAN ZHONGPU LIGHTNING CO., LTD. Free format text: FORMER NAME: ZHUZHOU PUTIAN ZHONGPU THUNDER PROTECTION TECHNOLOGY CO.,LTD |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 412007 Tianyuan District, Hunan City, small and medium enterprises to promote Park, building A5 Patentee after: Hunan Zhongpu Lightning Co., Ltd. Address before: 412007 Tianyuan District, Hunan City, small and medium enterprises to promote Park, building A5 Patentee before: Zhuzhou Putian Zhongpu Lightning Protection Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412007 Tianyuan District, Hunan City, small and medium enterprises to promote Park, building A5 Patentee after: Hunan Pu Pu technology Limited by Share Ltd Address before: 412007 Tianyuan District, Hunan City, small and medium enterprises to promote Park, building A5 Patentee before: Hunan Zhongpu Lightning Co., Ltd. |
|
| 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: 20120725 Termination date: 20190929 |