CN208971846U - The PCB circuit wiring structure of adjacent networks port common mode lightning Protection function is realized in the network equipment - Google Patents
The PCB circuit wiring structure of adjacent networks port common mode lightning Protection function is realized in the network equipment Download PDFInfo
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- CN208971846U CN208971846U CN201821372911.7U CN201821372911U CN208971846U CN 208971846 U CN208971846 U CN 208971846U CN 201821372911 U CN201821372911 U CN 201821372911U CN 208971846 U CN208971846 U CN 208971846U
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- impedance matching
- adjacent networks
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Abstract
The utility model relates to the PCB circuit wiring structure of adjacent networks port common mode lightning Protection function is realized in a kind of network equipment, including the impedance matching circuit being connected in PCB circuit board with the corresponding network port, impedance matching circuit includes signal wire, centre cap and resistance connection structure, the network port is connected with centre cap and signal wire respectively, signal wire is connected by resistance connection structure with centre cap, wherein being isolated between the corresponding impedance matching circuit connected of centre tapped wiring and adjacent networks port.Using this kind of circuit wiring structure, by adjusting the resistance placement position in the cabling mode and Smith circuit of placement-and-routing, make the network port that common mode will not be struck by lightning in energy coupling to All other routes when being struck by lightning by common mode, the centre cap of consolidated network port is not cross over the layout cabling of other network ports, centre cap handles equipotential state with the signal wire by common mode lightning stroke when being struck by lightning by common mode, avoids affecting system worked well.
Description
Technical field
The utility model relates to lightning Protection field, in particular to network equipment carrying out surge protection technical field, in particular to
The PCB circuit wiring structure of adjacent networks port common mode lightning Protection function is realized in a kind of network equipment.
Background technique
In scorching summer, atmospheric electrical phenomena often occurs, as household electrical appliance are universal, networking products increasingly increase, net
Aobvious particularly important, the protection method of mistake of protection of the network port for lightning stroke, less serious case's temporary influence system short trouble, seriously
It will lead to system in case of system halt, restart, or even will cause component damage, cause unrecoverable failure.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides a kind of incident of energy protected network port
It is realized in the network equipment by bring lightning stroke energy coupling when common mode lightning stroke energy is influenced, protected network port is struck by lightning adjacent
The PCB circuit wiring structure of network port common mode lightning Protection function.
To achieve the goals above, common mode lightning Protection function in adjacent networks port is realized in the network equipment of the utility model
The PCB circuit wiring structure of energy has following constitute:
The PCB circuit wiring structure of adjacent networks port common mode lightning Protection function is realized in the network equipment, it is described
Wire structures include the impedance matching circuit being connected in PCB circuit board with the corresponding network port, the impedance matching electricity
Road includes signal wire, centre cap and resistance connection structure, the network port respectively with the centre cap and signal
Line is connected, and the signal wire is connected by the resistance connection structure with the centre cap, which is characterized in that
It is isolated between the corresponding impedance matching circuit connected of the centre tapped wiring and adjacent networks port.
Preferably, the centre cap is not less than with the spacing width of being isolated of the impedance matching circuit of adjacent networks port
80 millimeters.
Preferably, the resistance connection structure includes the first pad and the second pad being set side by side, described first
Pad is connected with the first input end of the resistance connection structure, and the second of second pad and the resistance connection structure is defeated
Enter end to be connected, the resistance connection structure is terminated at the signal wire by the first input end, the second input
Between centre cap.
Preferably, connect corresponding to the central point line of first pad and the second pad and each network port
The angle of the arragement direction of each impedance matching circuit is greater than 0 ° and is less than or equal to 90 °.
Preferably, connect corresponding to the central point line of first pad and the second pad and each network port
The arragement direction of each impedance matching circuit is perpendicular.
Preferably, the impedance matching circuit is Smith circuit.
Using the PCB circuit for realizing common mode lightning Protection function in adjacent networks port in the network equipment of the utility model
Wire structures keep placement-and-routing more reasonable, due to being wherein laid out cabling by optimization PCB by adjusting walking for placement-and-routing
Resistance placement position in line mode and Smith circuit makes the network port common mode will not be struck by lightning when being struck by lightning by common mode energy
Amount is coupled on All other routes, and the centre cap of consolidated network port is not cross over the layout cabling of other network ports, same
In the network port, centre cap handles equipotential state with the signal wire by common mode lightning stroke when being struck by lightning by common mode, keeps away
Exempt to affect system worked well.
Detailed description of the invention
Fig. 1 is the PCB circuit that common mode lightning Protection function in adjacent networks port is realized in the network equipment of the utility model
Network transformer and network port connection schematic diagram in wire structures.
Description of symbols:
The impedance matching circuit of A1, A2, A3, A4, A5, A6, A7, A8 first network port
The impedance matching circuit of second network port of B1, B2, B3, B4, B5, B6, B7, B8
R1, R2, R3, R4, R5, R6, R7, R8 resistance connection structure
Specific embodiment
In order to more clearly describe the technology contents of the utility model, carry out combined with specific embodiments below into one
The description of step.
The PCB wiring knot of adjacent networks port common mode lightning Protection function is realized in the network equipment of the utility model
In the technical solution of structure, the utility model relates to the protection designs of network port common mode lightning stroke, are mainly concerned with the network port and exist
By common mode be struck by lightning energy when on the network port and on brought by work system influence, belong to carrying out surge protection technical field,
It is laid out cabling by optimization PCB, keeps placement-and-routing more reasonable.
In following specific embodiment of the utility model, if Fig. 1, A1~A8 and B1~B8 are respectively 2 adjacent nets
The impedance matching circuit of network port, R1~R8 are resistance connection structure.
The wire structures of network port centre cap and adjacent networks port from it is close, minimum range only has 5mil,
When 1,2 two wires of the network port is by common mode lightning stroke energy, it is coupled on centre cap because isolation distance not enough has portion of energy,
And the resistance in Smith circuit is influenced by one step of network port centre cap, two end of resistance can generate voltage difference, lead to two
The end a resistance PIN generates electric discharge phenomena, to influence the normal work of system.
Lightning stroke passes through cable to the network port, since two network port cablings are unreasonable and resistance arrangement mode does not conform to
Reason causes further to influence system worked well into the lightning stroke energy being coupled to other signal wires of the network port, lead to
The distributing for crossing the adjustment network port keeps two adjacent network port centre caps with the spacing of being isolated between signal wire
In 80mil or more, centre cap accesses the resistance in Smith circuit by the way of vertically putting, and increases the isolation between resistance
Spacing, avoids the generation discharged between PIN, design in this way it is possible to prevente effectively from common mode lightning stroke has an impact the online network port,
It avoids lightning stroke energy from being mutually coupled by two port signal lines and interferes with system worked well.
The PCB circuit wiring structure of adjacent networks port common mode lightning Protection function, wire bond are realized in the network equipment
Structure includes the impedance matching circuit being connected in PCB circuit board with the corresponding network port, impedance matching circuit include signal wire,
Centre cap and resistance connection structure, the network port are connected with centre cap and signal wire respectively, and signal wire is connected by resistance
Binding structure is connected with centre cap, centre tapped wiring and the impedance matching circuit that connect corresponding to adjacent networks port it
Between be isolated.
Resistance connection structure includes the first pad and the second pad being set side by side, the first pad and the resistance connection structure
First input end be connected, the second pad is connected with the second input terminal of the resistance connection structure, and resistance connection structure is logical
Cross first input end, the second input is terminated between signal wire and centre cap.
The each impedance matching being connect corresponding to the central point line of first pad and the second pad and each network port
The angle of the arragement direction of circuit is greater than 0 ° and is less than or equal to 90 °.
As the preferred embodiment of the utility model, the impedance matching circuit of centre cap and adjacent networks port every
It is not less than 80 millimeters from spacing width.
As the preferred embodiment of the utility model, the central point line and each network of the first pad and the second pad
The arragement direction of the corresponding each impedance matching circuit connected in port is perpendicular.
As the preferred embodiment of the utility model, impedance matching circuit is Smith circuit.
Using the PCB circuit for realizing common mode lightning Protection function in adjacent networks port in the network equipment of the utility model
Wire structures, by optimization PCB be laid out cabling, keep placement-and-routing more reasonable, by adjusting placement-and-routing cabling mode and
Resistance placement position in Smith circuit arrive the network port will not by common mode lightning stroke energy coupling when being struck by lightning by common mode
On All other routes, the centre cap of consolidated network port is not cross over the layout cabling of other network ports, in consolidated network port
Interior, centre cap handles equipotential state with the signal wire by common mode lightning stroke when being struck by lightning by common mode, avoids to system
Normal work affects.
In this description, the utility model is described with reference to its specific embodiment.But it is clear that still can be with
The spirit and scope that various modification can be adapted and converts without departing from the utility model.Therefore, the description and the appended drawings should be considered as
It is illustrative and not restrictive.
Claims (6)
1. the PCB circuit wiring structure of adjacent networks port common mode lightning Protection function is realized in a kind of network equipment, it is described
Wire structures include the impedance matching circuit being connected in PCB circuit board with the corresponding network port, the impedance matching electricity
Road includes signal wire, centre cap and resistance connection structure, the network port respectively with the centre cap and signal
Line is connected, and the signal wire is connected by the resistance connection structure with the centre cap, which is characterized in that
It is isolated between the corresponding impedance matching circuit connected of the centre tapped wiring and adjacent networks port.
2. realizing the PCB circuit of adjacent networks port common mode lightning Protection function in the network equipment according to claim 1
Wire structures, which is characterized in that spacing width is isolated with the impedance matching circuit of adjacent networks port in the centre cap
Not less than 80 millimeters.
3. realizing the PCB circuit of adjacent networks port common mode lightning Protection function in the network equipment according to claim 1
Wire structures, which is characterized in that the resistance connection structure includes the first pad and the second pad being set side by side, described
First pad is connected with the first input end of the resistance connection structure, and the of second pad and the resistance connection structure
Two input terminals are connected, and the resistance connection structure is terminated at the letter by the first input end, the second input
Number between line and centre cap.
4. realizing the PCB circuit of adjacent networks port common mode lightning Protection function in the network equipment according to claim 3
Wire structures, which is characterized in that corresponding to the central point line and each network port of first pad and the second pad
The angle of the arragement direction of each impedance matching circuit of connection is greater than 0 ° and is less than or equal to 90 °.
5. realizing the PCB circuit of adjacent networks port common mode lightning Protection function in the network equipment according to claim 4
Wire structures, which is characterized in that corresponding to the central point line and each network port of first pad and the second pad
The arragement direction of each impedance matching circuit of connection is perpendicular.
6. realizing the PCB circuit of adjacent networks port common mode lightning Protection function in the network equipment according to claim 1
Wire structures, which is characterized in that the impedance matching circuit is Smith circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821372911.7U CN208971846U (en) | 2018-08-24 | 2018-08-24 | The PCB circuit wiring structure of adjacent networks port common mode lightning Protection function is realized in the network equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821372911.7U CN208971846U (en) | 2018-08-24 | 2018-08-24 | The PCB circuit wiring structure of adjacent networks port common mode lightning Protection function is realized in the network equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208971846U true CN208971846U (en) | 2019-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821372911.7U Active CN208971846U (en) | 2018-08-24 | 2018-08-24 | The PCB circuit wiring structure of adjacent networks port common mode lightning Protection function is realized in the network equipment |
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| Country | Link |
|---|---|
| CN (1) | CN208971846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108770192A (en) * | 2018-08-24 | 2018-11-06 | 上海市共进通信技术有限公司 | The PCB circuit wiring structures of adjacent networks port common mode lightning Protection function are realized in the network equipment |
-
2018
- 2018-08-24 CN CN201821372911.7U patent/CN208971846U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108770192A (en) * | 2018-08-24 | 2018-11-06 | 上海市共进通信技术有限公司 | The PCB circuit wiring structures of adjacent networks port common mode lightning Protection function are realized in the network equipment |
| CN108770192B (en) * | 2018-08-24 | 2023-06-16 | 上海市共进通信技术有限公司 | PCB circuit wiring structure for realizing common mode lightning stroke protection function of adjacent network ports |
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