CN220107123U - Network signal lightning arrester - Google Patents
Network signal lightning arrester Download PDFInfo
- Publication number
- CN220107123U CN220107123U CN202321388466.4U CN202321388466U CN220107123U CN 220107123 U CN220107123 U CN 220107123U CN 202321388466 U CN202321388466 U CN 202321388466U CN 220107123 U CN220107123 U CN 220107123U
- Authority
- CN
- China
- Prior art keywords
- shell
- circuit board
- crystal head
- lightning protection
- lightning arrester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000013078 crystal Substances 0.000 claims abstract description 26
- 238000003466 welding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Abstract
The utility model discloses a network signal lightning protection device which comprises a shell, wherein a circuit board is fixedly arranged in the shell, a female seat which is vertically arranged on the outer wall of one side of the shell is fixedly arranged on the circuit board through a network cable, a crystal head extension line which penetrates through the outer part of the shell is fixedly welded on the circuit board, an RJ45 crystal head is arranged at one end of the crystal head extension line, which is far away from the shell, and a grounding wire positioned on one side of the shell is fixedly arranged on the circuit board, and a lightning protection circuit is arranged on the circuit board. The lightning arrester is designed into a two-port network lightning arrester, the input end of the lightning arrester is a female seat of an RJ45 crystal head, and the other output end of the lightning arrester is the RJ45 crystal head with an extension line, so that the lightning arrester is well suitable for the installation environment; when in field installation, one more net wire is not needed to be used as a jumper wire to connect the lightning protection device with the protected equipment, so that the installation cost is reduced and the installation efficiency is improved. The circuit design is reliable, safe and effective, and overvoltage is well prevented from entering protected equipment.
Description
Technical Field
The utility model relates to the technical field of network lightning protection, in particular to a network signal lightning protector.
Background
Most of network lightning protection devices are RJ45 crystal head female seats at the input and output ends, and one more network cable is needed to be used as a jumper wire to connect the lightning protection device with protected equipment during field installation. The installation cost is increased and the installation efficiency is reduced. Therefore, there is a need to design a network signal lightning protection device to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a network signal lightning protection device so as to solve the defects in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a network signal lightning protection device, includes the shell, the inside fixed circuit board that is provided with of shell, there is vertical female seat on shell one side outer wall through net twine fixed mounting on the circuit board, and circuit board fixed welding has the quartzy first extension line that runs through to the shell outside, the quartzy first extension line is kept away from the one end of shell and is installed RJ45 crystal head, fixed mounting has the earth connection that is located shell one side on the circuit board, be provided with lightning protection circuit on the circuit board, the earth connection is kept away from the one end fixed mounting of shell and is had the conducting ring, lightning protection circuit includes two three-terminal discharge tube G1 and three-terminal discharge tube G2 on 1, 2, 3, 6 foot on RJ45 crystal head and female seat, and three-terminal discharge tube G1 and three-terminal discharge tube G2 form electric connection with the earth connection, lightning protection circuit is still including setting up rectifier bridge on the circuit board and the S pipe 1 and TVS pipe 2 that are connected with the "plus" minus "both ends of rectifier bridge.
Preferably, the shell is of a split structure, and comprises a shell body and an upper cover which are fixedly connected through screws.
In the technical scheme, the network signal lightning protection device provided by the utility model has the beneficial effects that:
the design solves the problem of wiring of network signal lightning arrester installation ports on site construction, the design is a two-port network lightning arrester, the input end of the lightning arrester is a female seat of an RJ45 crystal head, and the other output end of the lightning arrester is the RJ45 crystal head with an extension line, so that the lightning arrester is well adapted to the installation environment; when in field installation, one more net wire is not needed to be used as a jumper wire to connect the lightning protection device with the protected equipment, so that the installation cost is reduced and the installation efficiency is improved. The circuit design is reliable, safe and effective, and overvoltage is well prevented from entering protected equipment.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic view of an angle structure provided by an embodiment of a network signal lightning protection device according to the present utility model.
Fig. 2 is a schematic view of another angle structure provided by an embodiment of the network signal lightning protection device of the present utility model.
Fig. 3 is a schematic circuit diagram of a circuit board according to an embodiment of the utility model.
1 shell, 2 crystal head extension lines, 3RJ45 crystal heads, 4 female seats, 5 grounding wires, 6 conducting rings and 7 circuit boards.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, the network signal lightning arrester provided by the embodiment of the utility model comprises a housing 1, wherein a circuit board 7 is fixedly arranged in the housing 1, a female seat 4 which is vertically arranged on the outer wall of one side of the housing 1 is fixedly arranged on the circuit board 7 through a network cable, a crystal head extension line 2 which penetrates through the exterior of the housing 1 is fixedly welded on the circuit board 7, an RJ45 crystal head 3 is arranged at one end, far away from the housing 1, of the crystal head extension line 2, a grounding wire 5 positioned on one side of the housing 1 is fixedly arranged on the circuit board 7, and a lightning protection circuit is arranged on the circuit board 7.
Specifically, in this embodiment, including shell 1, shell 1 adopts the plastics preparation, because of it has low price, can take shape wantonly, simultaneously weight is light, appearance plasticity is strong, the inside fixed circuit board 7 that is provided with of shell 1, circuit principle of circuit board 7 is as shown in fig. 3, including two three-terminal discharge tubes G1 and three-terminal discharge tube G2 that connect, rectifier bridge and TVS tube 1 and TVS tube 2, play fine lightning protection's effect, there is the female seat 4 of vertical on shell 1 one side outer wall through net twine fixed mounting on circuit board 7, female seat 4 uses with the cooperation of RJ45 crystal head, insert the inside at female seat 4 to the RJ45 crystal head, realize the intercommunication of network, and circuit board 7 fixed welding has the crystal head extension line 2 that runs through to shell 1 outside, extension line 2 is the net twine that is commonly used, its length is inequality, the length of the use scene of optional 50cm, RJ45 crystal head extension line 3 is kept away from to shell 1's one end, fixed mounting has the ground wire that is located shell 1 one side on the circuit board 7 and has the ground wire 5 to carry the circuit 5 through the ground wire, the lightning protection circuit 5 is provided with the specific circuit of lightning protection circuit 5, the lightning protection is provided with the circuit is high to the circuit ground, the lightning protection is provided with the circuit is particularly to the ground on the ground wire 7.
The network signal lightning arrester provided by the utility model is designed into a two-port network lightning arrester, the input end of the lightning arrester is a female seat 4 of an RJ45 crystal head, and the other output end of the lightning arrester is an RJ45 crystal head 3 with an extension line, so that the lightning arrester is well adapted to the installation environment.
According to the embodiment provided by the utility model, the shell 1 is of a split type structure, the shell 1 comprises a shell body and an upper cover and is fixedly connected through screws, the split type shell structure is adopted, the circuit board 7 can be protected, and meanwhile, the circuit board can be conveniently detached and maintained and replaced.
According to another embodiment provided by the utility model, the conductive ring 6 is fixedly arranged at one end of the grounding wire 5 far away from the shell 1, and the conductive ring 6 can be fixed at the end of the grounding wire 5 and is well fixedly connected with a conductive thread column on the ground.
In still another embodiment of the present utility model, the lightning protection circuit includes two three-terminal discharge tubes G1 and three-terminal discharge tube G2 disposed on pins 1, 2, 3 and 6 on the RJ45 crystal head 3 and the female socket 4, where the three-terminal discharge tube G1 and the three-terminal discharge tube G2 are electrically connected to the ground wire 5, and as the first stage lightning protection, lightning current is respectively led to the ground through the ground wire from the common ends of the three-terminal discharge tubes.
In still another embodiment, the lightning protection circuit further comprises a rectifier bridge arranged on the circuit board, and a TVS tube 1 and a TVS tube 2 connected with the two ends of the positive end and the negative end of the rectifier bridge, and as a second-stage protection, the rectifier bridge, and the TVS tube 1 and the TVS tube 2 connected with the two ends of the positive end and the negative end of the rectifier bridge form an overvoltage clamp, so that the circuit design is reliable, safe and effective, and overvoltage is well prevented from entering protected equipment.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (2)
1. The utility model provides a network signal lightning protection device, includes shell (1), its characterized in that, the inside fixed circuit board (7) that is provided with of shell (1), through female seat (4) of net twine fixed mounting on circuit board (7) on shell (1) one side outer wall, and circuit board (7) fixed welding has crystal head extension line (2) that run through to shell (1) outside, crystal head extension line (2) are kept away from one end of shell (1) and are installed crystal head (3), fixed mounting has earth connection (5) that are located shell (1) one side on circuit board (7), be provided with lightning protection circuit on circuit board (7), one end fixed mounting that earth connection (5) were kept away from shell (1) has conducting ring (6), lightning protection circuit is including setting up two three-terminal discharge tube G1 and three-terminal discharge tube G2 on 1, 2, 3, 6 foot on RJ45 crystal head (3), and three-terminal discharge tube G2 and three-terminal RJ 5 form with earth connection wire (5) ' are connected with two positive bridge and three-terminal bridge TVS's circuit and two bridge TVS's that are connected.
2. The network signal lightning protection device according to claim 1, wherein the housing (1) is of a split type structure, and the housing (1) comprises a housing and an upper cover and is fixedly connected through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321388466.4U CN220107123U (en) | 2023-06-02 | 2023-06-02 | Network signal lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321388466.4U CN220107123U (en) | 2023-06-02 | 2023-06-02 | Network signal lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220107123U true CN220107123U (en) | 2023-11-28 |
Family
ID=88847316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321388466.4U Active CN220107123U (en) | 2023-06-02 | 2023-06-02 | Network signal lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220107123U (en) |
-
2023
- 2023-06-02 CN CN202321388466.4U patent/CN220107123U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |