CN207504279U - A kind of surge prevention for the integrated connectors of RJ45 protects structure - Google Patents
A kind of surge prevention for the integrated connectors of RJ45 protects structure Download PDFInfo
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- CN207504279U CN207504279U CN201721716664.3U CN201721716664U CN207504279U CN 207504279 U CN207504279 U CN 207504279U CN 201721716664 U CN201721716664 U CN 201721716664U CN 207504279 U CN207504279 U CN 207504279U
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- surge prevention
- circuit board
- surge
- electrically connected
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Abstract
The utility model is related to field of connectors; more particularly to a kind of surge prevention for the integrated connectors of RJ45 protects structure; including insulating body and signal transmission module; signal transmission module includes circuit board, leading-out terminal and input terminal; further include the first surge prevention component for being set on circuit board and the isolating transformer with primary side and secondary side; primary side has multiple first centre caps; and be electrically connected with the ground terminal on circuit board, the first surge prevention component is connected across between primary side and leading-out terminal；The utility model connects isolating transformer and the first surge prevention component inside connector; it forms between circuit and circuit; and the protection mechanism between circuit and ground wire; the primary side of isolating transformer is connected into ground terminal by the first centre cap; achieve the purpose that save part and cost; ability to bear of the surge prevention protection structure for high pressure surging caused by electrostatic or lightning stroke can be improved simultaneously, to solve the problems, such as the integrated connector surge preventions of RJ45.
Description
Technical field
The utility model is related to field of connectors more particularly to a kind of surge prevention protections for the integrated connectors of RJ45
Structure.
Background technology
In the line construction of the integrated connectors of existing RJ45, in order to reach the RJ45 connections with anti-lightning strike function
The line protective structure of device, must be provided between circuit and line construction as Transient Voltage Suppressor, semiconductor discharge tube,
The surge preventions such as gas-discharge tube, varistor protection element and between line construction and ground connection set high-voltage capacitance or
It is that setting resistance increases the surge preventions protection elements such as voltage capacitance aerating body discharge tube, to reach the guarantor between circuit and line construction
The protection of shield and line construction between ground wire.Therefore, so, inherently increase assembly cost, and also due to
Need resistance, high-voltage capacitance, Transient Voltage Suppressor, semiconductor discharge tube, gas-discharge tube, the pressure-sensitive electricity using large-size
The surge preventions protection elements such as resistance, correspondingly, can increase the volume of entire line protective structure, it is light can not to meet electronic product now
Thin short and small development trend and the economic interests demand for meeting consumer, so how to conceive R ＆ D design go out one can
It is enough not take up space, it is of low cost, and can be again to have its essence with the RJ45 connector line constructions of anti-lightning strike function
On necessity.
Utility model content
The purpose of this utility model provides a kind of for the integrated connectors of RJ45 mainly according to insufficient present on
Surge prevention protects structure.
To achieve these goals, the technical solution of the utility model is：
A kind of surge prevention for the integrated connectors of RJ45 protects structure, including insulating body, in the insulating body
Portion is equipped with signal transmission module, the signal transmission module include circuit board, be set on the circuit board for electrically connecting
Connect the leading-out terminal of cable and the input terminal for being used to be electrically connected chip being set on the circuit board, the input terminal
End leakage in the insulating body, further include set on the first surge prevention component of the circuit board and with primary side and two
The isolating transformer of secondary side, the primary side are electrically connected at the leading-out terminal, and the secondary side is electrically connected at described defeated
Enter terminal, the primary side has multiple first centre caps, and first centre cap with connecing on the circuit board
Ground terminal is electrically connected, and the first surge prevention component is connected across between the primary side and the leading-out terminal.
Preferably, the second surge prevention component and resistance are further included, the resistance is electrically connected with the circuit board, the electricity
Resistance is connected into series circuit with the second surge prevention component.
Preferably, the signal transmission module is additionally provided with common mode inductance, one end of the common mode inductance and the secondary side
It is electrically connected, the other end of the common mode inductance is electrically connected with the input terminal.
Preferably, the common mode inductance be three-wire type common mode inductance, the second centre cap of the secondary side with it is described common
Mould inductance is connected to the input terminal after being electrically connected.
Preferably, the metal shell of grounding connection, the circuit board and the metal are coated on the outside of the insulating body
Housing is electrically connected, and the first centre cap of the primary side is directly electrically connected to by the conductive path on the circuit board
The metal shell.
Preferably, the first surge prevention component is gas-discharge tube and Transient Voltage Suppressor.
Preferably, the second surge prevention component is high-voltage electricity perhaps electromagnetic interference shielding component.
Preferably, the first surge prevention component and the second surge prevention component are IC chip.
As a result of above technical scheme, the utility model has the advantages that：The utility model is in connector
Inside connection isolating transformer and the first surge prevention component, is formed between circuit and circuit and the guarantor between circuit and ground wire
The primary side of isolating transformer is connected ground terminal by the first centre cap, reaches the mesh for saving part and cost by protection mechanism
, while ability to bear of the surge prevention protection structure for high pressure surging caused by electrostatic or lightning stroke can also be improved, with solution
The certainly problem of the integrated connector surge preventions of RJ45.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the electric wiring plan that the utility model protects structure.
In figure：1st, insulating body；2nd, signal transmission module；21st, circuit board；22nd, leading-out terminal；23rd, input terminal；24、
Ground terminal；25th, common mode inductance；3rd, the first surge prevention component；31st, gas-discharge tube；32nd, Transient Voltage Suppressor；4th, isolation becomes
Depressor；41st, primary side；411st, the first centre cap 42, secondary side；421st, the second centre cap；5th, the second surge prevention component；6、
Metal shell；7th, resistance.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It removes, be fully described by, wherein, the drawings are for illustrative purposes only and are merely schematic diagrams rather than pictorial diagram, it is impossible to manage
It solves as the limitation to this patent；In order to better illustrate the utility model embodiment, the certain components of attached drawing have omission, amplification
Or reduce, do not represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation in attached drawing
It may omit and will be understood by.
The described embodiments are only a part of the embodiments of the utility model rather than whole implementation for the utility model
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment is described in detail：
Such as Fig. 1, a kind of surge prevention for the integrated connectors of RJ45 protects structure, including insulating body 1, the insulation
Ontology 1 is internally provided with signal transmission module 2, and the signal transmission module 2 includes circuit board 21, is set on the circuit board 21
For be electrically connected the leading-out terminal 22 of cable and be set on the circuit board 21 for being electrically connected the input of chip
Terminal 23, the end leakage of the input terminal 23 are further included and are prevented set on the first of the circuit board 21 in the insulating body 1
Surging component 3 and the isolating transformer 4 with primary side 41 and secondary side 42, the primary side 41 is electrically connected at described defeated
Go out terminal 22, the secondary side 42 is electrically connected at the input terminal 23, and the primary side 41 is taken out with multiple first centers
First 411, and first centre cap 411 is electrically connected with the ground terminal 24 on the circuit board 21, first protrusion-dispelling
Wave component 3 is connected across between the primary side 41 and the leading-out terminal 22, as shown in Fig. 2, is with 4 isolating transformers 4
Example, the first surge prevention component 3 are for 2, wherein every 1 the first surge prevention component 3 is connected across 2 isolation transformations respectively
Between the primary side 41 of device 4 and leading-out terminal 22.
The utility model connects 4 and first surge prevention component 3 of isolating transformer inside connector, forms circuit and circuit
Between and the protection mechanism between circuit and ground wire, by by the primary side 41 of isolating transformer 4 pass through the first center take out
First 411 are connected to ground terminal 23, achieve the purpose that surge prevention protection structure pair can also be improved while saving part and cost
In the ability to bear of high pressure surging caused by electrostatic or lightning stroke, to solve the problems, such as the integrated connector surge preventions of RJ45.
In the present embodiment, the signal transmission module 2 is additionally provided with multiple common mode inductances 25, and the common mode inductance 25 is three
Wire type common mode inductance, multiple second centre caps 421 of the secondary side 42 and the connecting line road of the input terminal 23 are equal
A common mode inductance 25 is provided with, common mode inductance 25 is set by the secondary side 42 in isolating transformer 4, further enhances protrusion-dispelling
Wave effect.
In the present embodiment, 1 outside of insulating body is coated with the metal shell 6 of grounding connection, the metal shell 6
It is electrically connected with the ground terminal 24.
In the present embodiment, the first surge prevention component 3 is by 32 groups of gas-discharge tube 31 and Transient Voltage Suppressor
Into；Specifically, gas-discharge tube 31 and Transient Voltage Suppressor 42 can also connect external ground wire by metal shell, with
Ground connection effect is formed, is so relied on, gas-discharge tube 41 and Transient Voltage Suppressor 42 can be by the high pressure surgings of absorption via connecing
Ground wire and externally discharge.
In the present embodiment, such as Fig. 2, the second surge prevention group is in series on the ground path of first centre cap 411
Part 5 and resistance 7；Specifically, resistance 7 can be also electrically connected on the circuit board 21, so as to improve protrusion-dispelling intensity of wave.
In the present embodiment, the second surge prevention component 5 is high-voltage capacitance.
In the present embodiment, the first surge prevention component 3 and the second surge prevention component 5 are ic core
Piece；In the embodiment of the utility model, isolating transformer 4, the first surge prevention component 3, the second surge prevention component 5 can collect
It realizes, but and is not limited into circuit chip.
Obviously, above-described embodiment of the utility model patent is only intended to clearly illustrate what the utility model patent was made
Citing, and it is not the restriction to the embodiment of the utility model patent.For those of ordinary skill in the art,
Other different forms of changes or modifications may be made based on the above description.There is no need and unable to all realities
The mode of applying is exhaustive.All any modifications made within the spirit and principle of the utility model patent and change equivalent replacement
Into etc., it should be included within the utility model scope of the claims.
Claims (7)
1. a kind of surge prevention for the integrated connectors of RJ45 protects structure, it is characterised in that:Including insulating body (1), institute
State insulating body (1) and be internally provided with signal transmission module (2), the signal transmission module (2) including circuit board (21), be set to
On the circuit board (21) for the use that is electrically connected the leading-out terminal (22) of cable and is set on the circuit board (21)
In the input terminal (23) for being electrically connected chip, the end of the input terminal (23) leaks outside in the insulating body (1), also wraps
Include the first surge prevention component (3) for being set on the circuit board (21) and the isolation transformation with primary side (41) and secondary side (42)
Device (4), the primary side (41) are electrically connected at the leading-out terminal (22), and the secondary side (42) is electrically connected at described defeated
Enter terminal (23), the primary side (41) has multiple first centre caps (411), and first centre cap (411) is equal
It is electrically connected with the ground terminal (24) on the circuit board (21), the first surge prevention component (3) is connected across the primary side
(41) between the leading-out terminal (22).
2. a kind of surge prevention for the integrated connectors of RJ45 according to claim 1 protects structure, it is characterised in that:
The signal transmission module (2) is additionally provided with multiple common mode inductances (25), and the common mode inductance (25) is three-wire type common mode inductance, institute
Multiple second centre caps (421) of secondary side (42) are stated to be both provided with altogether with the connecting line road of the input terminal (23)
Mould inductance (25).
3. a kind of surge prevention for the integrated connectors of RJ45 according to claim 1 protects structure, it is characterised in that:
The metal shell (6) of grounding connection, the metal shell (6) and the ground terminal are coated on the outside of the insulating body (1)
(24) it is electrically connected.
4. a kind of surge prevention for the integrated connectors of RJ45 according to claim 1 protects structure, it is characterised in that：
The first surge prevention component (3) is made of gas-discharge tube (31) and Transient Voltage Suppressor (32).
5. a kind of surge prevention for the integrated connectors of RJ45 according to claim 1 protects structure, it is characterised in that:
The second surge prevention component (5) and resistance (7) are in series on the ground path of first centre cap (411).
6. a kind of surge prevention for the integrated connectors of RJ45 according to claim 5 protects structure, it is characterised in that：
The second surge prevention component (5) is high-voltage capacitance.
7. a kind of surge prevention for the integrated connectors of RJ45 according to claim 5 protects structure, it is characterised in that：
The first surge prevention component (3) and the second surge prevention component (5) are IC chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721716664.3U CN207504279U (en) | 2017-12-12 | 2017-12-12 | A kind of surge prevention for the integrated connectors of RJ45 protects structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721716664.3U CN207504279U (en) | 2017-12-12 | 2017-12-12 | A kind of surge prevention for the integrated connectors of RJ45 protects structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207504279U true CN207504279U (en) | 2018-06-15 |
Family
ID=62508788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721716664.3U Active CN207504279U (en) | 2017-12-12 | 2017-12-12 | A kind of surge prevention for the integrated connectors of RJ45 protects structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207504279U (en) |
-
2017
- 2017-12-12 CN CN201721716664.3U patent/CN207504279U/en active Active
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