CN204333945U - A kind of network ' s thunder device group - Google Patents
A kind of network ' s thunder device group Download PDFInfo
- Publication number
- CN204333945U CN204333945U CN201420161423.7U CN201420161423U CN204333945U CN 204333945 U CN204333945 U CN 204333945U CN 201420161423 U CN201420161423 U CN 201420161423U CN 204333945 U CN204333945 U CN 204333945U
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- China
- Prior art keywords
- network
- lightning protection
- protection circuit
- input port
- delivery outlet
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- Expired - Fee Related
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Abstract
The utility model provides the group of the network ' s thunder device on a kind of network signal transmission line, it comprises 6 network ' s thunder devices, each network ' s thunder device includes input port, delivery outlet and the surge protection circuit be arranged between described input port and described delivery outlet, 8 mouthfuls of RJ45 network interfaces are as the input port of network ' s thunder device and delivery outlet, described input port connects external circuit, described delivery outlet is connected with protected device network, described protective circuit comprises the first lightning protection circuit and the second lightning protection circuit, ceramic gas discharge tube is provided with in protective circuit, PPTC, TVS pipe and Qiao Dui.The utility model is on the basis of existing network ' s thunder device; have employed 8 mouthfuls of RJ45 network interfaces as input port and delivery outlet; ceramic gas discharge tube, PPTC, TVS pipe and Qiao Dui is provided with in protective circuit; form the first lightning protection circuit and the second lightning protection circuit; for the lightning waveform of 8/20us, through-current capability is maximum can reach 5000 Amps.
Description
Technical field
The utility model relates to network ' s thunder field, is specifically related to the network ' s thunder device group on a kind of network signal transmission line.
Background technology
In the electronic device, unexpected voltage surge can cause the hydraulic performance decline of machine system, occurs that misoperation even damages, and therefore in order to improve the reliability of complete machine, must take safeguard measure to voltage transient and surge.Network serves more and more important effect in daily life and work, but the network equipment is easily struck by lightning, and therefore, a kind of thunder and lightning or overtension of preventing causes the lightning protection device of damage to be widely used to equipment.
The surge capacity that existing lightning protection device can bear, for the lightning waveform of 8/20us, through-current capability is maximum only has 400 Amps.
Summary of the invention
The utility model, for above-mentioned deficiency, provides the network ' s thunder device group that a kind of anti-lightning ability is strong, by network ' s thunder device is cascaded, improves overall lightning protection energy.The network ' s thunder device group provided in the utility model, for the lightning waveform of 8/20us, through-current capability is maximum can reach 5000 Amps.
Concrete, the utility model provides a kind of network ' s thunder device group, it comprises at least 6 group network lightning protection devices, described at least 6 group network lightning protection devices are connected in series each other, each network ' s thunder device includes input port, delivery outlet and the surge protection circuit be arranged between described input port and described delivery outlet, described input port and delivery outlet are respectively 8 RJ45 network ports, described input port connects external circuit, its other end connects described first lightning protection circuit, the input of described delivery outlet connects described second lightning protection circuit, its other end is connected with protected device network, described protective circuit comprises the first lightning protection circuit, PPTC and the second lightning protection circuit, described first lightning protection circuit, PPTC and the second lightning protection circuit are connected in series each other.
Preferably, described first lightning protection circuit is made up of ceramic gas discharge tube and piezo-resistance, for bearing most lightning surge.TVS pipe and bridge heap form bridge circuit as the second lightning protection circuit, for reducing output residual voltage, thus pole equipment after available protecting, described second lightning protection circuit can also reduce the electric capacity of TVS pipe simultaneously, can not have an impact to high-frequency signal.
Preferably, described PPTC is arranged between described first lightning protection circuit and the second lightning protection circuit, for coordinating and overcurrent protection of the first lightning protection circuit and the second lightning protection circuit.
Advantage of the present utility model is as described below: the utility model is on the basis of existing network ' s thunder device; have employed 8 RJ45 network interfaces as the input port of surge protection circuit and delivery outlet; ceramic gas discharge tube, PPTC, TVS pipe and Qiao Dui is provided with in protective circuit; form the first lightning protection circuit and the second lightning protection circuit; for the lightning waveform of 8/20us; through-current capability can reach 5000 Amps, even can reach 10000 Amps.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the circuit diagram of network ' s thunder device in the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further explained,
The utility model provides the group of the network ' s thunder device on a kind of network signal transmission line, it comprises 6 group network lightning protection devices, 6 group network lightning protection devices are connected in series each other, each network ' s thunder device includes input port 2, delivery outlet 3 and the surge protection circuit 1 be arranged between input port 2 and delivery outlet 3, input port 2 and delivery outlet 3 are respectively 8 RJ45 network ports, input port 2 connects external circuit 4, delivery outlet 3 is connected with protected equipment 5 network, surge protection circuit 1 comprises the first lightning protection circuit 10 and the second lightning protection circuit 11, ceramic gas discharge tube 12 is provided with in surge protection circuit, PPTC13, TVS pipe 14 and bridge heap 15.
Preferably, as shown in Figure 2, the first lightning protection circuit 10 by 2 ceramic gas discharge tubes 12, for bearing most lightning surge.The input of 2 ceramic gas discharge tubes 12 connects 8 RJ45 network ports.
Preferably, TVS pipe 14 and bridge heap 15 form bridge circuit as the second lightning protection circuit 11, for reducing output residual voltage, thus pole equipment after available protecting, the second lightning protection circuit 11 can also reduce the electric capacity of TVS pipe 14 simultaneously, can not have an impact to high-frequency signal.
Preferably, PPTC13 is arranged between the first lightning protection circuit 10 and the second lightning protection circuit 11, for coordinating and overcurrent protection of the first lightning protection circuit 10 and the second lightning protection circuit 12.
Advantage of the present utility model is as described below: the utility model is on the basis of existing network ' s thunder device; have employed 8 RJ45 network interfaces as the input port of surge protection circuit and delivery outlet; ceramic gas discharge tube, PPTC, TVS pipe and Qiao Dui is provided with in protective circuit; form the first lightning protection circuit and the second lightning protection circuit; anti-thunder ability reaches and can reach 1.2/50 μ s 10KV, and short circuit current is 8/20 μ s 5KA.For the lightning waveform of 8/20us, through-current capability can reach 5000 Amps, even can reach 10000 Amps.
Person of ordinary skill in the field is to be understood that: when not departing from general principle of the present invention; can carry out various amendment, retouching, combination, supplement or the replacement of technical characteristic the present invention, these equivalent substitute modes or obviously mode of texturing all fall within protection scope of the present invention.
Claims (3)
1. a network ' s thunder device group, it is characterized in that: it comprises at least 6 group network lightning protection devices, described at least 6 group network lightning protection devices are connected in series each other, each network ' s thunder device includes input port, delivery outlet and the surge protection circuit be arranged between described input port and described delivery outlet, described input port and delivery outlet are respectively 8 RJ45 network ports, described input port connects external circuit, its other end connects described first lightning protection circuit, the input of described delivery outlet connects described second lightning protection circuit, its other end is connected with protected device network, described protective circuit comprises the first lightning protection circuit, PPTC and the second lightning protection circuit, described first lightning protection circuit, PPTC and the second lightning protection circuit are connected in series each other.
2. network ' s thunder device group according to claim 1, is characterized in that: described first lightning protection circuit is made up of 2 ceramic gas discharge tubes, and TVS pipe and bridge heap form bridge circuit as the second lightning protection circuit, for reducing output residual voltage.
3. network ' s thunder device group according to claim 2, is characterized in that: described PPTC is arranged between described first lightning protection circuit and the second lightning protection circuit, for coordinating and overcurrent protection of the first lightning protection circuit and the second lightning protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420161423.7U CN204333945U (en) | 2014-04-04 | 2014-04-04 | A kind of network ' s thunder device group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420161423.7U CN204333945U (en) | 2014-04-04 | 2014-04-04 | A kind of network ' s thunder device group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204333945U true CN204333945U (en) | 2015-05-13 |
Family
ID=53170260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420161423.7U Expired - Fee Related CN204333945U (en) | 2014-04-04 | 2014-04-04 | A kind of network ' s thunder device group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204333945U (en) |
-
2014
- 2014-04-04 CN CN201420161423.7U patent/CN204333945U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20170404 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |