CN205490535U - Can reduce network processing apparatus of inductance error - Google Patents
Can reduce network processing apparatus of inductance error Download PDFInfo
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- CN205490535U CN205490535U CN201620249958.9U CN201620249958U CN205490535U CN 205490535 U CN205490535 U CN 205490535U CN 201620249958 U CN201620249958 U CN 201620249958U CN 205490535 U CN205490535 U CN 205490535U
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Abstract
The utility model provides a can reduce network processing apparatus of inductance error, contains a physics side, a cable side, and at least one signal transmission unit. This signal transmission unit includes that an electricity connects second that the first citation passageway of this physics side, electricity connect this cable side and summon network signal coupling that passageway, one will this first citation passageway and summon isolation vary voltage module of passageway in this second, and one connected this first citations passageway or this second citation passageway in order to lead the common mode noise to the noise filter module on ground. The utility model discloses a this collocation design of keeping apart vary voltage module and this noise filter module can be under the wire winding condition that does not influence this isolation vary voltage module, with common mode noise via this noise filter module filtering to avoid inductive coupling's error.
Description
Technical field
This utility model relates to a kind of network equipment, particularly relates to a kind of for being arranged on one
The network processing device that can reduce inductance error between network equipment end and a cable end.
Background technology
Refering to Fig. 1, Fig. 2, a kind of existing network processing device, it is adaptable at a network
Transmission network signal between equipment end and a cable end.This network processing device comprises a connection
The physical side of this network equipment end 81, one connects the cable-side 82 of this cable end, and two
Signal transmission unit 83,83'.Described signal transmission unit 83,83' are used for transmitting and processing net
Network signal, each signal transmission unit 83,83' include that one electrically connects this physical side 81 also
The first 84, one, passage of citation for transmission network signal electrically connects this cable-side 82 and uses
85, one, the passage net by this first citation passage 84 is summoned in the second of transmission network signal
Network signal is coupled in the isolation voltage changing module 86 of this second citation passage 85, and two are arranged at
The noise filtration module 87 of this isolation voltage changing module 86.
This isolation voltage changing module 86 includes 861, secondary coil 862 of a primary coil.
This primary coil 861 all has a first coil section 863, with this secondary coil 862
Second coil segment 864, and one be positioned at this first coil section 863 and this second coil segment 864
Between center tap 865.Described noise filtration module 87 connects this primary coil 861 respectively
With the center tap 865 of this secondary coil 862, and common mode noise can be directed at ground.
On the implementation, pull out the technology of this center tap 865, be as illustrated in fig. 2 by this
One coil segment 863 pulls out with the coil sections of this second coil segment 864, and is intertwined,
But, pull-out center tap 865, often has influence on this first coil section by the way
863 with the winding turns of this second coil segment 864, in turn result in this primary coil 861 with time
The number of turns of level coil 862 is unequal, causes this primary coil 861 and secondary coil 862 inductance
The error of coupling, the most existing network processing device is the most to be improved.
Summary of the invention
The purpose of this utility model is that providing a kind of can promote reducing of network signal quality
The network processing device of inductance error.
The network processing device that can reduce inductance error of the present utility model, it is adaptable to transmission network
Signal and filtering common mode noise, and comprise a physical side, a cable-side, and at least one
Signal transmission unit.This signal transmission unit includes that one electrically connects this physical side and for transmitting
First citation passage of network signal, this cable-side of electrical connection are also used for transmission network signal
Second citation passage, and one be connected to this first citation passage with this second citation interchannel
And the network signal of this first citation passage is coupled in the isolation transformation of this second citation passage
Module.This signal transmission unit also includes that one connects this first citation passage or this second citation
Passage to be directed at the noise filtration module on ground by common mode noise.
The network processing device that can reduce inductance error described in the utility model, this isolation transformation
Module has a primary coil being connected to this first citation passage, and one be connected to this
The secondary coil of two citation passages, this first citation passage has two the first linkage sections, each
Individual first linkage section is connected between this physical side and this isolation voltage changing module, and described first connects
Section is connected to two end opposite of this primary coil and is mutually serially connected in one with this primary coil
Rising, this second citation passage has two the second linkage sections, and each second linkage section is connected to
Between this cable-side and this isolation voltage changing module, and described second linkage section is connected to this secondary
Two end opposite of coil and be mutually serially connected with this secondary coil, this noise filtration module across
It is connected to described first connection intersegmental or described second and connects intersegmental.
The network processing device that can reduce inductance error described in the utility model, this noise filters
Module has two and connects described first linkage section respectively or connect described second linkage section respectively
The first electric capacity, the earth terminal of a ground connection, and described first electric capacity connects this ground connection by one
The noise Grounding of end.
The network processing device that can reduce inductance error described in the utility model, each is first years old
Electric capacity has one and connects the first corresponding linkage section or connect the of the second corresponding linkage section
One end, and second end coupling and being connected this noise Grounding with this first end
Portion.
The network processing device that can reduce inductance error described in the utility model, this signal transmits
Unit also includes that a common mode being arranged at this first citation passage or this second citation passage is gripped
Flow module.
The network processing device that can reduce inductance error described in the utility model, this noise filters
Module connect this first citation passage, this signal transmission unit also include another connect this second
The noise filtration module of citation passage.
The network processing device that can reduce inductance error described in the utility model, these common mode chokes
Module is arranged at this first citation passage, and this signal transmission unit also includes that another is arranged at this
The common mode chokes module of the second citation passage.
The network processing device that can reduce inductance error described in the utility model, this noise filters
Module also includes second electric capacity being arranged at this noise Grounding.
The beneficial effects of the utility model are: filtered with this noise by this isolation voltage changing module
The collocation design of module, can not interfere with primary coil and the secondary wire of this isolation voltage changing module
In the case of the coiling of circle, common mode noise is filtered via this noise filtration module, to avoid inductance
The error of coupling.
Accompanying drawing explanation
Of the present utility model other feature and effect, by clear in reference to graphic embodiment
Present to Chu, wherein:
Fig. 1 is a circuit diagram, and existing network processing device is described；
Fig. 2 is an incomplete partial schematic diagram, illustrate existing network processing device every
From voltage changing module；
Fig. 3 is a circuit diagram, illustrates that this utility model can reduce the network of inductance error
The first embodiment of processing means；
Fig. 4 is a circuit diagram, and the network signal flow direction in this first embodiment is described；
Fig. 5 is a circuit diagram, and the common mode noise flow direction in this first embodiment is described；
Fig. 6 is a circuit diagram, illustrates that this utility model can reduce the network of inductance error
Second embodiment of processing means.
Detailed description of the invention
Before this utility model is described in detail, it shall be noted that in the following description content, class
As element be to be identically numbered to represent.
Refering to Fig. 3, Fig. 4 and Fig. 5, this utility model can reduce the network processes of inductance error
One first embodiment of device, transmission network news between a network equipment end and a cable end
Number.This network equipment end can be computer or Wireless Router etc..This cable end can be the joint of grid line,
Such as RJ-45.
This network processing device comprises a physical side 1, electrically connecting this network equipment end
Electrically connect the cable-side 2 of this cable end, and two signals being used for transmitting and process network signal
Transmission unit 3,3'.
Each signal transmission unit 3,3' include that one electrically connects this physical side 1 and for passing
First 31, one, passage of citation of defeated network signal electrically connects this cable-side 2 and for transmission network
Second 32, one, passage of citation of network signal is by the network signal coupling of this first citation passage 31
Together in this second citation passage 32 isolation voltage changing module 33, and two connect respectively this first
Citation passage 31 and this second citation the noise filtration module 34 of passage 32,34'.This is first years old
Citation passage 31 has two the first linkage sections 311, and each first linkage section 311 is connected to
Between this physical side 1 and this isolation voltage changing module 33.This second citation passage 32 has two the
Two linkage sections 321, each second linkage section 321 is connected to this cable-side 2 and becomes with this isolation
Between die block 33.
This isolation voltage changing module 33 has a primary coil 331, and a secondary coil 332.
Two end opposite of this primary coil 331 connect described first linkage section 311 respectively, and with this
One citation passage 31 is serially connected.Two end opposite of this secondary coil 332 connect institute respectively
State the second linkage section 321, and be serially connected with this second citation passage 32.By this secondary
Coil 332 intercouples with the magnetic flux of this primary coil 331, can be by this first citation passage
The network signal of 31 is coupled in this second citation passage 32, and this secondary coil 332 is first with this
Level coil 331 is isolated from each other, moreover it is possible to when being struck by lightning outside, produced instantaneous pressure filters, with
Reduce this network equipment end to be affected by thunderbolt with this cable end.
In the present embodiment, one of them noise filtration module 34 is connected across described first connection
Between section 311；Other in which noise filtration module 34' is connected across described second linkage section 321
Between, the explanation of the thinnest portion is connected across the noise filtration module between described first linkage section 311
34, the structure of another noise filtration module 34' is identical with this noise filtration module 34, so
No longer described in detail.This noise filtration module 34 has two and connects described first connection respectively
The earth terminal 342, one of the first 341, ground connection of electric capacity of section 311 is by described first electricity
Hold the noise Grounding 343 of 341 these earth terminals 342 of connection, and one is arranged at noise and connects
Second electric capacity 344 of ground passage 343.
Each first electric capacity 341 has one and connects the first of the first corresponding linkage section 311
End 345, and one couple with this first end 345 and be connected this noise Grounding 343
The second end 346.Each first electric capacity 341 can stop the first linkage section 311 of correspondence
Network signal, and for common mode noise by and converge into this noise Grounding 343.
Designed by the capacitance of this first electric capacity 341, can make this first electric capacity 341 confession be
The common mode noise of high-frequency signals passes through, and stops this network signal, and such as this network signal is
100MHz, can be designed as 5pF by the capacitance of this first electric capacity 341, stops that this network is interrogated
Number, and pass through for common mode noise.
This noise Grounding 343 is respectively by the second end 346 of described first electric capacity 341 even
It is connected to this earth terminal 342, makes described first electric capacity 341 ground connection, and allow by described first electricity
The common mode noise holding 341 can flow into this earth terminal 342.This second electric capacity 344 be arranged in series in
This noise Grounding 343, and be a high_voltage isolation electric capacity, when shocking by electricity in outside, can be with
Ground isolation, to avoid shocking by electricity, described first electric capacity 341 is impacted by produced instantaneous pressure.
When this utility model network processing device uses, one of them signal transmission unit 3 is for sending out
Radio road (Transmitter Circuit), other in which signal transmission unit 3' is for receiving electricity
Road (Receiver Circuit).For this signal transmission unit 3 of radiating circuit, can be by this net
The network signal of network equipment end is transferred to this cable end, for receiving this signal transmission unit of circuit
The network signal returned from this cable end can be transferred to this network equipment end by 3', so as to forming one
Individual signal loop.
When described signal transmission unit 3,3' are when transmitting network signal, due to this network signal
Frequency low compared with common mode noise so that this noise filtration module 34, first electric capacity 341 of 34'
Being high impedance for this network signal, the most described network signal may not flow into this noise
Filtration module 34,34', but carry out via this isolation voltage changing module 33 as illustrated in fig. 4
Coupling；On the contrary, the frequency of common mode noise is higher so that this noise filtration module 34,34'
The first electric capacity 341 for common mode noise be short circuit, therefore common mode noise will not pass through
This isolation voltage changing module 33, but as illustrated in fig. 5 directly via this noise filtration module 34,
34' flows into earth terminal 342, consequently, it is possible to just can be filtered by common mode noise, to avoid common mode miscellaneous
The impact on signal quality of news.
By being respectively provided with described miscellaneous at this first citation passage 31 with this second citation passage 32
News filtration module 34,34', on the implementation, would not have influence on this isolation voltage changing module 33
Primary coil 331 and the coiling of secondary coil 332, to avoid the occurrence of this isolation voltage changing module 33
The error of inductive.
It should be noted that in an embodiment, described signal transmission unit 3, the quantity of 3' are
Two, but on implementing, described signal transmission unit 3, the quantity of 3' also can be three or four, this net
Network processing means also can only comprise a signal transmission unit 3, and an existing signal transmission
Unit.It addition, in the present embodiment, described noise filtration module 34, the quantity of 34' are two,
But in enforcement, each signal transmission unit 3,3' also can only include a noise filtration module
34 or a noise filtration module 34', it is not limited with the present embodiment.Additionally, the filter of described noise
Mode block 34, the circuit structure of 34', also can be the combination of other electronic components, such as inductance,
Diode or the combination etc. of electric crystal, be not limited with the present embodiment.
In sum, this utility model can reduce the network processing device of inductance error, by this
Isolation voltage changing module 33 and described noise filtration module 34, the collocation design of 34', can be at not shadow
Ring the coiling situation of the primary coil 331 to this isolation voltage changing module 33 and secondary coil 332
Under, common mode noise is filtered via described noise filtration module 34,34', to avoid the occurrence of electricity
The error of sense coupling, and then promote network signal quality.Additionally, described second electric capacity 344
Design, moreover it is possible to avoid the thunderbolt impact on described first electric capacity 341, so really can reach this
The purpose of utility model.
Refering to Fig. 6, this utility model can reduce the second reality of the network processing device of inductance error
Executing example, places different from this first embodiment are: each signal transmission unit 3,3' also wrap
Include two be respectively arranged at this first citation passage 31 with this second summon passage 32 common mode grip
Flow module 35,35'.
One of them common mode chokes module 35 be arranged at this first citation passage 31, wherein another
Individual common mode chokes module 35' is arranged at this second citation passage 32, and the explanation of the thinnest portion is arranged
In the common mode chokes module 35 of this first citation passage 31, another common mode chokes module 35'
Structure identical, so no longer being described in detail with this common mode chokes module 35.These common mode chokes
Module 35 has first lateral coil 351 being series at one of them the first linkage section 311,
And second lateral coil 352 being series at other in which the first linkage section 311.
It is added in the same direction with the magnetic flux of this second lateral coil 352 by this first lateral coil 351,
And present high impedance, can reach to suppress the effect of common mode noise whereby, by described common mode chokes
Module 35,35' be designed to match from described noise filtration module 34,34' filter different
The common mode noise of frequency, reaches more preferably signal quality.
It should be noted that in the present embodiment, each signal transmission unit 3, the institute of 3'
State common mode chokes module 35, the quantity of 35' is two, but on implementing, the transmission of each signal is single
Unit 3,3' also can only include a common mode chokes module 35, or common mode chokes module 35',
It is not limited with the present embodiment.
As described above, embodiment the most of the present utility model, when not limiting this with this
The scope that utility model is implemented, the most all according to this utility model claims and description institute
The simple equivalence made changes and modifies, and the most still belongs to scope of the present utility model.
Claims (8)
1. the network processing device that can reduce inductance error, it is adaptable to transmission network is interrogated
Number and filtering common mode noise, and comprise: physical side, a cable-side, and at least one
Individual signal transmission unit, this signal transmission unit include one electrically connect this physical side and for
Transmit the first citation passage of this network signal, one electrically connect this cable-side for transmitting
Second citation passage of this network signal, and one be connected to this first citation passage with this
Two citation interchannels that network signal of this first citation passage is coupled in this second citation is logical
The isolation voltage changing module in road, it is characterised in that: this signal transmission unit also includes a connection
This first citation passage or this second citation passage to be directed at the noise filtering on ground by common mode noise
Module.
Can reduce the network processing device of inductance error the most as claimed in claim 1, it is special
Levy and be: this isolation voltage changing module has a primary line being connected to this first citation passage
Circle, and a secondary coil being connected to this second citation passage, this first citation passage tool
Having two the first linkage sections, each first linkage section is connected to this physical side and becomes with this isolation
Between die block, and described first linkage section be connected to this primary coil two end opposite and
Mutually being serially connected with this primary coil, this second citation passage has two second connections
Section, each second linkage section is connected between this cable-side and this isolation voltage changing module, and institute
State the second linkage section be connected to this secondary coil two end opposite and with this secondary coil phase
Being serially connected mutually, this noise filtration module is connected across described first and connects intersegmental or described the
Two connections are intersegmental.
Can reduce the network processing device of inductance error the most as claimed in claim 2, it is special
Levy and be: this noise filtration module has two and connects described first linkage section or difference respectively
Connect the first electric capacity of described second linkage section, the earth terminal of a ground connection, and one by institute
State the first electric capacity and connect the noise Grounding of this earth terminal.
Can reduce the network processing device of inductance error the most as claimed in claim 3, it is special
Levy and be: each first electric capacity have one connect the first corresponding linkage section or connect right
The first end of the second linkage section answered, and one couple with this first end and to be connected this miscellaneous
The second end of news Grounding.
Can reduce the network processing device of inductance error the most as claimed in claim 1, it is special
Levy and be: this signal transmission unit also include one be arranged at this first citation passage or this
The common mode chokes module of two citation passages.
6. can reduce inductance error as described in any claim in claim 1 to 5
Network processing device, it is characterised in that: this noise filtration module connects this first citation passage,
This signal transmission unit also includes that another connects the noise filtering mould of this second citation passage
Block.
Can reduce the network processing device of inductance error the most as claimed in claim 5, it is special
Levy and be: this common mode chokes module is arranged at this first citation passage, this signal transmission unit
Also include that another is arranged at the common mode chokes module of this second citation passage.
Can reduce the network processing device of inductance error the most as claimed in claim 3, it is special
Levy and be: this noise filtration module also includes be arranged at this noise Grounding second
Electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620249958.9U CN205490535U (en) | 2016-03-29 | 2016-03-29 | Can reduce network processing apparatus of inductance error |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620249958.9U CN205490535U (en) | 2016-03-29 | 2016-03-29 | Can reduce network processing apparatus of inductance error |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205490535U true CN205490535U (en) | 2016-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620249958.9U Expired - Fee Related CN205490535U (en) | 2016-03-29 | 2016-03-29 | Can reduce network processing apparatus of inductance error |
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| CN (1) | CN205490535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871417A (en) * | 2016-03-29 | 2016-08-17 | 广州成汉电子科技有限公司 | Network processing equipment capable of reducing inductor error |
-
2016
- 2016-03-29 CN CN201620249958.9U patent/CN205490535U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871417A (en) * | 2016-03-29 | 2016-08-17 | 广州成汉电子科技有限公司 | Network processing equipment capable of reducing inductor error |
| CN105871417B (en) * | 2016-03-29 | 2018-09-14 | 广州成汉电子科技有限公司 | The network processing device of inductance error can be reduced |
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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: 20160817 Termination date: 20210329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |