CN203722226U - Lightning protection device integrating lightning protection, signal transmission and power supply into one body - Google Patents
Lightning protection device integrating lightning protection, signal transmission and power supply into one body Download PDFInfo
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- CN203722226U CN203722226U CN201420020327.0U CN201420020327U CN203722226U CN 203722226 U CN203722226 U CN 203722226U CN 201420020327 U CN201420020327 U CN 201420020327U CN 203722226 U CN203722226 U CN 203722226U
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- 238000007599 discharging Methods 0.000 claims description 10
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Abstract
The utility model provides a lightning protection device integrating lightning protection, signal transmission and power supply into one body. In a current conventional signal protection, the lightning protection device or other equipment is additionally arranged in network transmission, which easily generates problems of signal attenuation, power consumption and the like and a problem that power, a communication effect and a transmission distance can not be guaranteed. Aiming at the above problems, the utility model provides the lightning protection device integrating lightning protection, signal transmission and power supply into one body. The lightning protection device is characterized in that the device comprises a pre-stage ceramic gas discharge tube; the pre-stage ceramic gas discharge tube is connected to a first filtering decoupling circuit; the first filtering decoupling circuit is connected to a diode bridge and a TVS pipe. By using the lightning protection device of the utility model, a POE power supply technology is guaranteed to be reliably and safely used in a WLAN system; normal transmission of a signal is guaranteed; in an information society of today, people can be ensured to acquire needed knowledge and information timely and accurately.
Description
technical field:
The utility model relates to a kind of lightning protection device that collects the transmission of lightning protection and signal and power supply one, is specifically related to a kind ofly when can be kilomega network transmitting high-frequency signal, and the device power supply (DPS) power supply of low frequency is provided, and can carry out the lightning protection device of effective lightning protection simultaneously.
background technology:
In recent years, along with VOIP(Voice over Internet Protocol: be a kind ofly to take IP phone as main, and release the technology of corresponding value-added service), the business develop rapidly such as WLAN, Network Video Surveillance, the number of devices terminals such as IP phone, wireless aps, web camera, electric power data line wiring complexity, power taking difficulty, cost is high.Power over Ethernet technology allows power supply unit that the direct current of certain power is provided to network power receiving equipment in transmission of data signals by Ethernet, is present POE power supply technique, and in present wlan system, most of situation can adopt POE power supply.But POE switch often has tens meters from AP, and Ethernet two ends connection device involves great expense, because integrated level is high, cause the extremely fragile communication apparatus of voltage endurance capability, especially in outdoor wlan system, once be struck by lightning, gently cause device damage, signal interruption, data forever to be lost, heavy loss of life or personal injury.Normal signal protection is after the middle mounted with lightning protection device of Internet Transmission or other equipment, but easily produces the problems such as signal attenuation, power loss, and power, communication efficiency, transmission range can not get ensureing.How to guarantee that on the basis of network signal normal transmission, can provide reliable and stable DC power supply to power receiving equipment is again current gigabit networking POE technology urgent problem.
summary of the invention:
The purpose of this utility model is that the problem for above-mentioned existence provides a kind of lightning protection device that collects lightning protection and signal transmission and power supply one, for involving great expense in current gigabit networking system, integrated level is high but the lightning protection of the terminal equipment that voltage withstand class is lower, can, in order to realize the normal operation of power receiving equipment, provide a kind of supply power mode again simultaneously.Guarantee that POE power supply technique obtains more reliable and secure operation in wlan system, guarantee the normal transmission of signal, guarantee the today in information-intensive society, people can promptly and accurately obtain needed knowledge and information.
Above-mentioned object realizes by following technical scheme:
The lightning protection device of collection lightning protection and signal transmission and power supply one, comprises prime ceramic gas discharge tube, and described prime ceramic gas discharge tube connects the first filtering decoupling circuit, and the first described filtering decoupling circuit connects diode bridge and TVS pipe.
The lightning protection device of described collection lightning protection and signal transmission and power supply one, also comprises solid discharging tube and the second filtering decoupling circuit, and described solid discharging tube and the second filtering decoupling circuit are connected between the first filtering decoupling circuit and secondary pipe bridge.
The lightning protection device of described collection lightning protection and signal transmission and power supply one, the first described filtering decoupling circuit comprises two decoupling resistances and is connected in parallel on two associate coils between decoupling resistance.
The lightning protection device of described collection lightning protection and signal transmission and power supply one, the second described filtering decoupling circuit comprises two decoupling resistances and is connected in parallel on two associate coils between decoupling resistance.
The lightning protection device of described collection lightning protection and signal transmission and power supply one, described decoupling resistance adopts the Chip-R below 1W1 Ω.
The lightning protection device of described collection lightning protection and signal transmission and power supply one, described associate coil selects enamelled wire between 0.5mm～1mm, and magnet ring external diameter size is in 10mm, and one-sided inductance value is between 0.1mh～10mh.
Beneficial effect:
The utility model, with respect to general lightning protection device, has increased the function of case power receiving equipment power supply on the basis that guarantees lightning protection and signal transmission, collection lightning protection, and power supply, signal is transmitted as one.And guarantee to power at the same time, during signal transmission, do not interfere with each other.The magnetically saturated characteristic of transient state during the high-frequency impulse by associate coil, with the effective combination of decoupling inductance, guarantees the normal transmission of its engineering simultaneously.Can optionally mate according to the condition restriction in actual installation use procedure, when carrying out compared with long-distance transmissions, can choose two-stage protection, when carrying out nearer Distance Transmission, can select one-level protection simultaneously.Guarantee that far and near distance is all applicable.This utility model dependable performance simultaneously, cost is low, utilizes batch production, is convenient to promote.
accompanying drawing explanation:
Fig. 1 is circuit diagram of the present utility model.
Fig. 2 is the circuit diagram of another kind of execution mode of the present utility model.
embodiment:
Embodiment 1:
As shown in Figure 1: the lightning protection device of the collection lightning protection of the present embodiment and signal transmission and power supply one, comprise prime ceramic gas discharge tube GDT1, described prime ceramic gas discharge tube connects the first filtering decoupling circuit, and the first described filtering decoupling circuit connects diode bridge D and TVS pipe ZD.The first described filtering decoupling circuit comprises decoupling resistance R4, decoupling resistance R6 and is connected in parallel on two associate coil L1 between decoupling resistance.Described decoupling resistance R4, decoupling resistance R6 adopt the Chip-R below 1W1 Ω.Described associate coil L1 selects enamelled wire between 0.5mm～1mm, and magnet ring external diameter size is in 10mm, and one-sided inductance value is between 0.1mh～10mh.
Specific works process is: low frequency lightening pulse (100KHz in) signal by time, enter from 1,2 because ceramic gas discharge tube GDT1 high resistant under normal circumstances has lightening pulse to release through out-of-date rapid conducting, reduce its kurtosis.Advance and arrive decoupling resistance R4, decoupling resistance R6 and be connected in parallel on two associate coil L1 between decoupling resistance, associate coil L1 transient state reaches magnetic saturation, spike is carried out to filtering, and while and decoupling resistance R4, decoupling resistance R6 carry out comprehensive function, effectively reduce the residual voltage of pulse.Residual impulse after the first order is released arrives diode bridge D and TVS pipe ZD place, and its both high resistants under normal circumstances has lightening pulse to release through out-of-date rapid conducting, and residual impulse kurtosis is reduced again.Guarantee that thunder and lightning residual impulse peak value after output is lower than the withstand voltage level of protected equipment, thereby equipment is carried out to the lightning protection of effective and safe.
When gigabit high-frequency signal normal transmission, from 1,2, enter, for ceramic gas discharge tube GDT1 and decoupling resistance R4, decoupling resistance R6 be connected in parallel on two branch roads of filtering decoupling that two associate coil L1 between decoupling resistance form, according to the selection of impedance, by low-impedance filtering decoupling part, reach terminal equipment.In whole process, by the selection of decoupling resistance, can effectively guarantee the transmitting of signal, reduce the decay of signal in transmitting procedure.
When carrying out DC power supply, enter from 1,2, because inductance is logical low frequency resistance high frequency, perfectly straight flow resistance exchanges.And ceramic gas discharge tube, solid discharging tube, diode bridge, TVS pipes etc. are high-impedance state when normal.Direct current select almost without resistance be close to short circuit associate coil 5 transmit.Basic no power waste reach power receiving equipment.
Embodiment 2:
As shown in Figure 2, the lightning protection device of the collection lightning protection of the present embodiment and signal transmission and power supply one, comprise prime ceramic gas discharge tube GDT1, described prime ceramic gas discharge tube connects the first filtering decoupling circuit, and the first described filtering decoupling circuit connects diode bridge D and TVS pipe ZD.Also comprise solid discharging tube GDT2 and the second filtering decoupling circuit, described solid discharging tube and the second filtering decoupling circuit are connected between the first filtering decoupling circuit and secondary pipe bridge.The first described filtering decoupling circuit comprises decoupling resistance R4, decoupling resistance R6 and is connected in parallel on two associate coil L1 between decoupling resistance.The second described filtering decoupling circuit comprises decoupling resistance R8, decoupling resistance R10 and is connected in parallel on the associate coil L2 between decoupling resistance R8, decoupling resistance R10.Described decoupling resistance R4, decoupling resistance R6, decoupling resistance R8, decoupling resistance R10 adopt the Chip-R below 1W1 Ω.Described associate coil L1, associate coil L2 select enamelled wire between 0.5mm～1mm, and magnet ring external diameter size is in 10mm, and one-sided inductance value is between 0.1mh～10mh.Solid discharging tube GDT2 in the present embodiment also can adopt ceramic gas discharge tube, also can realize goal of the invention.
Specific works process is: low frequency lightening pulse (100KHz in) signal by time, enter from 1,2 because ceramic gas discharge tube GDT1 high resistant under normal circumstances has lightening pulse to release through out-of-date rapid conducting, reduce its kurtosis.Advance and arrive decoupling resistance R4, decoupling resistance R6 and associate coil L1, associate coil L1 transient state reaches magnetic saturation, and spike is carried out to filtering, and while and decoupling resistance R4, decoupling resistance R6 carry out comprehensive function, effectively reduce the residual voltage of pulse.Then the residual impulse after the first order is released arrives solid discharging tube GDT2, and it is high resistant under normal circumstances, has lightening pulse to release through out-of-date rapid conducting, further reduces its kurtosis.Pulse after secondary reduces is advanced and is arrived decoupling resistance R8, decoupling resistance R10 and associate coil L2, associate coil L2 transient state reaches magnetic saturation, spike is carried out to filtering, and while and decoupling resistance R8, decoupling resistance R10 carry out comprehensive function, again effectively reduce the residual voltage of pulse.Residual impulse after front two-stage is released arrives diode bridge D and TVS pipe ZD place, and its both high resistants under normal circumstances has lightening pulse to release through out-of-date rapid conducting, carries out the reduction residual impulse kurtosis of afterbody.Guarantee that thunder and lightning residual impulse peak value after output is lower than the withstand voltage level of protected equipment, thereby equipment is carried out to the lightning protection of effective and safe.
When gigabit high-frequency signal normal transmission, enter from 1,2, two branch roads of filtering decoupling that form for ceramic gas discharge tube GDT1 and decoupling resistance R4, decoupling resistance R6 and associate coil L1, according to the selection of impedance, by low-impedance filtering decoupling part.The branch road that mode in like manner consists of decoupling resistance R8, decoupling resistance R10 and associate coil L2, finally reaches terminal equipment.In whole process, by the selection of decoupling resistance, can effectively guarantee the transmitting of signal, reduce the decay of signal in transmitting procedure.
When carrying out DC power supply, enter from 1,2, because inductance is logical low frequency resistance high frequency, perfectly straight flow resistance exchanges.And ceramic gas discharge tube, solid discharging tube, diode bridge, TVS pipes etc. are high-impedance state when normal.Direct current select almost without resistance be close to short circuit associate coil L1, L2 transmit.Basic no power waste reach power receiving equipment.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of technique scheme, also comprises by above technical characterictic and is equal to the technical scheme that replacement forms.Unaccomplished matter of the present utility model, belongs to those skilled in the art's common practise.
Claims (7)
1. a lightning protection device that collects the transmission of lightning protection and signal and power supply one, it is characterized in that: comprise prime ceramic gas discharge tube, described prime ceramic gas discharge tube connects the first filtering decoupling circuit, and the first described filtering decoupling circuit connects diode bridge and TVS pipe.
2. the lightning protection device of the transmission of collection lightning protection according to claim 1 and signal and power supply one, it is characterized in that: also comprise solid discharging tube and the second filtering decoupling circuit, described solid discharging tube and the second filtering decoupling circuit are connected between the first filtering decoupling circuit and secondary pipe bridge.
3. the lightning protection device of collection lightning protection according to claim 2 and signal transmission and power supply one, is characterized in that: the second described filtering decoupling circuit comprises two decoupling resistances and is connected in parallel on two associate coils between decoupling resistance.
4. the lightning protection device of collection lightning protection according to claim 3 and signal transmission and power supply one, is characterized in that: described decoupling resistance adopts the Chip-R below 1W1 Ω.
5. according to the lightning protection device of the collection lightning protection described in claim 1 or 2 or 3 or 4 and signal transmission and power supply one, it is characterized in that: the first described filtering decoupling circuit comprises two decoupling resistances and is connected in parallel on two associate coils between decoupling resistance.
6. the lightning protection device of the transmission of collection lightning protection according to claim 3 and signal and power supply one, it is characterized in that: described associate coil selects enamelled wire between 0.5mm～1mm, magnet ring external diameter size is in 10mm, and one-sided inductance value is between 0.1mh～10mh.
7. the lightning protection device of the transmission of collection lightning protection according to claim 5 and signal and power supply one, it is characterized in that: described associate coil selects enamelled wire between 0.5mm～1mm, magnet ring external diameter size is in 10mm, and one-sided inductance value is between 0.1mh～10mh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420020327.0U CN203722226U (en) | 2014-01-14 | 2014-01-14 | Lightning protection device integrating lightning protection, signal transmission and power supply into one body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420020327.0U CN203722226U (en) | 2014-01-14 | 2014-01-14 | Lightning protection device integrating lightning protection, signal transmission and power supply into one body |
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| CN203722226U true CN203722226U (en) | 2014-07-16 |
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| CN201420020327.0U Expired - Fee Related CN203722226U (en) | 2014-01-14 | 2014-01-14 | Lightning protection device integrating lightning protection, signal transmission and power supply into one body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167724A (en) * | 2014-09-08 | 2014-11-26 | 南京宁普防雷设备制造有限公司 | Isolating-type bidirectional communication signal lighting protection device |
-
2014
- 2014-01-14 CN CN201420020327.0U patent/CN203722226U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167724A (en) * | 2014-09-08 | 2014-11-26 | 南京宁普防雷设备制造有限公司 | Isolating-type bidirectional communication signal lighting protection device |
| CN104167724B (en) * | 2014-09-08 | 2017-06-20 | 南京宁普防雷设备制造有限公司 | A kind of isolation type bidirectional signal of communication lightning protection device |
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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: 20140716 |