CN106209262A - A kind of ground structure of home gateway - Google Patents
A kind of ground structure of home gateway Download PDFInfo
- Publication number
- CN106209262A CN106209262A CN201610884099.5A CN201610884099A CN106209262A CN 106209262 A CN106209262 A CN 106209262A CN 201610884099 A CN201610884099 A CN 201610884099A CN 106209262 A CN106209262 A CN 106209262A
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- China
- Prior art keywords
- module
- systematically
- plane
- home gateway
- circuit module
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/005—Reducing noise, e.g. humm, from the supply
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/283—Processing of data at an internetworking point of a home automation network
- H04L12/2834—Switching of information between an external network and a home network
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Automation & Control Theory (AREA)
- Computing Systems (AREA)
- Telephonic Communication Services (AREA)
- Telephone Set Structure (AREA)
Abstract
The embodiment of the invention discloses the ground structure of a kind of home gateway, the ground structure of home gateway of the present invention includes: objective circuit module, systematically plane and immunity module；The earth terminal of objective circuit module is connected with the incoming end of systematically plane by immunity module.The ground structure of home gateway that the present invention provides can suppress to disturb signal in objective circuit module and systematically transmit between plane, if during the generation module that objective circuit module is interference signal, can suppress to disturb signal to systematically planar transmission such that it is able to avoid the interference signal of objective circuit module by the systematically plane impact on other circuit module performances as far as possible；If plane is systematically existed interference signal, the ground structure provided by the present invention, it is possible to the interference signal in suppression system ground level is transferred into objective circuit module, avoid the performance of interference effect of signals objective circuit module in systematically plane as far as possible.
Description
Technical field
The present invention relates to electronic device field, be specifically related to the ground structure of a kind of home gateway.
Background technology
Current era is digital Age, has the terminal of various form, difference in functionality in digital home, the core of digital home
The heart is terminal platform, and the administrative center of this terminal platform is exactly home service gateway, and the upper end of home service gateway connects
The broadband network of operator, lower end is then to connect the various application terminals in digital home by different interfaces.
A lot of home service gateways have DSL digital subscriber line function and VoIP internet protocol voice transmission merit simultaneously
Energy.There is the gateway device of DSL function and voice over ip feature simultaneously, accordingly, its PCB circuit can be designed with DSL merit simultaneously
Energy module and voice over ip feature module, DSL functional module is directly connected with same ground level with voice over ip feature module, the most systematically
Plane.But, owing to easily producing noise jamming in voice over ip feature module, and at voice over ip feature module and DSL functional module
Reason signal frequency range some be overlapping, therefore voice over ip feature module produce noise jamming easily by shared be
System ground level propagates to DSL functional module, affects the performance of DSL functional module.In order to solve this problem, prior art is at net
In the PCB design of pass equipment, DSL functional module can be tried one's best away from voice over ip feature module, to reduce interference.
But, along with the trend toward miniaturization of family gateway equipment, the PCB size within gateway device is gradually reduced, this limit
Made the ultimate range between DSL functional module and voice over ip feature module, making it difficult to by by DSL functional module as far as possible away from
Voice over ip feature module reduces the impact on DSL functional module of the noise jamming in voice over ip feature module.
Summary of the invention
Embodiments provide the ground structure of a kind of home gateway, do for solving the noise of voice over ip feature module
Disturb by the systematically plane interference problem to other circuit modules.
For reaching above-mentioned purpose, on the one hand the embodiment of the present invention provides the ground structure of a kind of home gateway, including:
Objective circuit module, systematically plane and immunity module；
The earth terminal of described objective circuit module is by the incoming end phase of described immunity module with described systematically plane
Even.
In conjunction with first aspect, in the first possible implementation of first aspect, described objective circuit module is
Voice over ip feature module.
In conjunction with the first possible implementation of first aspect or first aspect, possible at the second of first aspect
In implementation, described objective circuit module is DSL functional module.
In conjunction with the reality that the second of first aspect, the first possible implementation of first aspect and first aspect is possible
Among existing mode any one, in the third possible implementation of first aspect, described immunity module be inductance or
Magnetic bead.
In conjunction with first aspect, the first possible implementation of first aspect, the possible reality of the second of first aspect
Among the third possible implementation of existing mode and first aspect any one, in the 4th kind of possible reality of first aspect
In existing mode, described immunity module is the parallel-connection structure of inductance and magnetic bead.
In conjunction with first aspect, the first possible implementation of first aspect, the possible reality of the second of first aspect
Among 4th kind of possible implementation of existing mode, the third possible implementation of first aspect and first aspect arbitrarily
One, in the 5th kind of possible implementation of first aspect, described ground structure is based on pcb board, and described pcb board includes
One laminate and the second laminate, described immunity module is arranged in the first laminate of described pcb board, and described systematically plane is arranged
In the second laminate of pcb board；
Being provided with the first through hole between described first laminate and described second laminate, the first end of described immunity module leads to
Cross described first through hole to be connected with the incoming end of described systematically plane.
In conjunction with among the 5th kind of possible implementation of first aspect any one, may at the 6th kind of first aspect
Implementation in, described objective circuit module is fixed on the upper surface of described pcb board；
The second through hole it is provided with, the of described immunity module between described first laminate and the upper surface of described pcb board
Two ends are connected with described objective circuit module by described second through hole.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
The ground structure of the home gateway that the present invention provides has objective circuit module, systematically plane and anti-interference mould
Block, the earth terminal of objective circuit module is connected with the incoming end of systematically plane by immunity module, it is possible to suppression interference letter
Number in objective circuit module and systematically transmit between plane.
Accompanying drawing explanation
Fig. 1 is one embodiment schematic diagram of ground structure of home gateway of the present invention；
Fig. 2 is another embodiment schematic diagram of ground structure of home gateway of the present invention；
Fig. 3 is another embodiment schematic diagram of ground structure of home gateway of the present invention；
Fig. 4 is the ground structure of home gateway of the present invention schematic cross-section in pcb board.
Detailed description of the invention
Embodiments provide the ground structure of a kind of home gateway, be used for suppressing to disturb signal at objective circuit mould
Transmit between block and systematically plane.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of present invention protection
Enclose.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ", " the 3rd ", "
Four " etc. (if present) is for distinguishing similar object, without being used for describing specific order or precedence.Should manage
Solve the data so used can exchange in the appropriate case, in order to the embodiments described herein can be with except here illustrating
Or the order enforcement beyond the content described.Additionally, term " includes " and " having " and their any deformation, it is intended that
Cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment need not limit
In those steps clearly listed or unit, but can include the most clearly listing or for these processes, method, product
Product or intrinsic other step of equipment or unit.
For the ease of the understanding of those skilled in the art, the technical side that the present invention is provided by the present invention by following example
The process that implements of case illustrates.
Referring to Fig. 1, one embodiment of the ground structure of home gateway of the present invention includes:
Objective circuit module 101, systematically plane 102 and immunity module 103；
The earth terminal 1011 of objective circuit module 101 incoming end by immunity module 103 with systematically plane 102
1021 are connected.
In order to realize the several functions of home gateway, the circuit structure of home gateway generally includes multiple functional module,
Multiple functional modules typically pass through a systematically Planar realization ground connection.The ground junction of the home gateway that the embodiment of the present invention provides
Structure, is connected the earth terminal of objective circuit module by the incoming end of immunity module with systematically plane, it is possible to suppression interference
Signal in objective circuit module and systematically transmits between plane.Concrete, if the generation that objective circuit module is interference signal
During module, it is possible to suppression interference signal is to systematically planar transmission such that it is able to avoid the interference of objective circuit module to believe as far as possible
Number by the systematically plane impact on other circuit module performances；If plane systematically existing interference signal, by this
The ground structure of bright offer, it is possible to the interference signal in suppression system ground level is transferred into objective circuit module, avoids as far as possible
The systematically performance of the interference effect of signals objective circuit module in plane.
Magnetic bead is made up of oxygen magnet, and AC signal is converted into heat energy；Inductance is made up of magnetic core and coil, and inductance is exchange
Store, discharge slowly.The two is often used as the exchange that elimination is present in transmission line structure (circuit in other words)
Composition.It is preferred, therefore, that the immunity module in the embodiment of the present invention can be inductance or magnetic bead, or inductance and magnetic bead
Parallel-connection structure, simple and practical, and increase almost without cost, cost-effective.Owing to the electrical parameter of magnetic bead or inductance is different,
Its frequency range effectively suppressed is the most different, therefore when selecting the electrical parameter of magnetic bead or inductance, needs first to determine master
The frequency range of signal to be disturbed is how many, and the noise attentuation of needs is how many, and circuit and load impedance are how many.
There is the home gateway of DSL function and voice over ip feature simultaneously, be provided with DSL functional module and VoIP the most simultaneously
Functional module.Wherein easily produce noise jamming in voice over ip feature module, and voice over ip feature module and DSL functional module process
Signal frequency range some be overlapping, therefore voice over ip feature module produce noise jamming easily by shared system
Ground level propagates to DSL functional module, affects the performance of DSL functional module.Therefore, in order to reduce what voice over ip feature module produced
The noise jamming impact on DSL functional module, objective circuit module can be voice over ip feature module.Refer to Fig. 2, anti-interference mould
Block is as a example by magnetic bead, in actual applications, it is also possible to magnetic bead replaces with the parallel-connection structure of inductance or magnetic bead and inductance, this
Another embodiment of the ground structure of bright home gateway includes:
Voice over ip feature module 201, systematically plane 202 and magnetic bead 203, the first earth terminal of voice over ip feature module 201
2011 are connected with the incoming end 2021 of systematically plane 202 by magnetic bead 203.
The ground structure of other circuit modules, as a example by DSL functional module 204, the second ground connection of DSL functional module 204
End 2041 is connected with the earth terminal 2021 of systematically plane 202.
The ground structure of home gateway that the embodiment of the present invention provides, by the earth terminal of voice over ip feature module by magnetic bead with
Systematically the incoming end of plane is connected, it is possible to the interference signal produced in suppression voice over ip feature module is by systematically planar transmission
Enter in DSL functional module, reduce the impact on DSL functional module of the voice over ip feature module.
In order to reduce the noise jamming impact on DSL functional module that voice over ip feature module produces, objective circuit module is also
It can be DSL functional module.Referring to Fig. 3, immunity module is as a example by magnetic bead, in actual applications, it is also possible to replaced by magnetic bead
Being changed to the parallel-connection structure of inductance or magnetic bead and inductance, another embodiment of the ground structure of home gateway of the present invention includes:
DSL functional module 301, systematically plane 302 and magnetic bead 303, the first earth terminal of DSL functional module 301
3011 are connected with the incoming end 3021 of systematically plane 302 by magnetic bead 303.
The ground structure of other circuit modules, as a example by voice over ip feature module 304, the second of voice over ip feature module 304 connects
Ground end 3041 is connected with the earth terminal 3021 of systematically plane.
The ground structure of home gateway that the embodiment of the present invention provides, by the earth terminal of DSL functional module by magnetic bead with
Systematically the incoming end of plane is connected, such that make the interference signal produced in voice over ip feature module be transferred into system Horizon
Face, the ground structure provided by the present invention, it is possible to the interference signal in suppression system ground level is transferred into DSL functional module
In, thus reduce the impact on DSL functional module of the voice over ip feature module.
In actual applications, it is also possible to by the earth terminal of DSL functional module by immunity module and systematically plane
Incoming end is connected, and, is connected by the incoming end of immunity module with systematically plane by the earth terminal of voice over ip feature module meanwhile.
The circuit structure of home gateway is normally based on PCB multilayer board, refers to Fig. 4, is used for illustrating the present invention
The ground structure of the home gateway provided implementation in the pcb, another of the ground structure of home gateway of the present invention is real
Execute example to include:
Objective circuit module 401, systematically plane 402 and immunity module 403.
Objective circuit module 401 is connected with systematically plane 402 by immunity module 403.
This ground structure can be based on pcb board 404, and this pcb board 404 at least should include the first laminate 4041 and the second laminate
4042, immunity module 403 is arranged in the first laminate 4041 of pcb board 404, and systematically plane 402 is arranged at pcb board 404
The second laminate 4042 in.
Being provided with the first through hole 4043 between first laminate 4041 and the second laminate 4042, immunity module 403 is by the
One through hole 4043 is electrical connected with systematically plane 402.
Objective circuit module 401 can be fixed on the upper surface of pcb board 404 by modes such as scolding tin, it is assumed that the first laminate
4041 are arranged above third layer plate 4044, and the upper surface of third layer plate 4044 is the upper surface of pcb board 404, therefore target
Circuit module 401 is fixed on the upper surface of third layer plate 4044.
The second through hole 4045 it is provided with between first laminate 4041 and the upper surface of pcb board 404, immunity module 403
Second end 4032 is connected with objective circuit module 401 by the second through hole 4045.
Objective circuit module 401 can be DSL functional module or voice over ip feature module.
Magnetic bead is made up of oxygen magnet, and AC signal is converted into heat energy；Inductance is made up of magnetic core and coil, and inductance is exchange
Store, discharge slowly.The two is often used as the exchange that elimination is present in transmission line structure (circuit in other words)
Composition.It is preferred, therefore, that the immunity module 403 in the embodiment of the present invention can be inductance or magnetic bead, or inductance and magnetic bead
Parallel-connection structure.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and the system of foregoing description,
The specific works process of device and unit, is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method are permissible
Realize by another way.Such as, device embodiment described above is only schematically, such as, and described unit
Dividing, be only a kind of logic function and divide, actual can have other dividing mode, the most multiple unit or assembly when realizing
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or
The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the present embodiment scheme
's.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated list
Unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part that in other words prior art contributed or this technical scheme completely or partially can be with the form of software product
Embodying, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or the network equipment etc.) performs the complete of method described in each embodiment of the present invention
Portion or part steps.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, RandomAccess Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although with reference to front
State embodiment the present invention has been described in detail, it will be understood by those within the art that: it still can be to front
State the technical scheme described in each embodiment to modify, or wherein portion of techniques feature is carried out equivalent；And these
Amendment or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. the ground structure of a home gateway, it is characterised in that including:
Objective circuit module, systematically plane and immunity module；
The earth terminal of described objective circuit module is connected by the incoming end of described immunity module with described systematically plane.
The ground structure of home gateway the most according to claim 1, it is characterised in that described objective circuit module is because of spy
FidonetFido voice transfer voice over ip feature module.
The ground structure of home gateway the most according to claim 1, it is characterised in that described objective circuit module is numeral
Subscribers' line DSL functional module.
The ground structure of home gateway the most according to claim 1, it is characterised in that described immunity module be inductance or
Magnetic bead.
The ground structure of home gateway the most according to claim 1, it is characterised in that described immunity module be inductance with
The parallel-connection structure of magnetic bead.
The ground structure of home gateway the most according to any one of claim 1 to 5, it is characterised in that described ground junction
Structure is based on pcb board, and described pcb board includes the first laminate and the second laminate, and described immunity module is arranged at the of described pcb board
In one laminate, described systematically plane is arranged in the second laminate of pcb board；
Being provided with the first through hole between described first laminate and described second laminate, the first end of described immunity module passes through institute
State the first through hole to be connected with the incoming end of described systematically plane.
The ground structure of home gateway the most according to claim 6, it is characterised in that described objective circuit module is fixed on
The upper surface of described pcb board；
The second through hole it is provided with, the second end of described immunity module between described first laminate and the upper surface of described pcb board
It is connected with described objective circuit module by described second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610884099.5A CN106209262B (en) | 2016-10-10 | 2016-10-10 | A kind of ground structure of home gateway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610884099.5A CN106209262B (en) | 2016-10-10 | 2016-10-10 | A kind of ground structure of home gateway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106209262A true CN106209262A (en) | 2016-12-07 |
| CN106209262B CN106209262B (en) | 2019-02-05 |
Family
ID=57521094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610884099.5A Active CN106209262B (en) | 2016-10-10 | 2016-10-10 | A kind of ground structure of home gateway |
Country Status (1)
| Country | Link |
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| CN (1) | CN106209262B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009189049A (en) * | 2001-06-01 | 2009-08-20 | Board Of Trustees Of The Leland Stanford Junior Univ | Control of dynamic digital communication system |
| CN101778531A (en) * | 2010-02-23 | 2010-07-14 | 华为技术有限公司 | Integrated printed circuit board |
| CN202019393U (en) * | 2011-01-21 | 2011-10-26 | 中兴通讯股份有限公司 | Terminal |
| CN202949358U (en) * | 2012-12-17 | 2013-05-22 | 上海市共进通信技术有限公司 | Power circuit structure capable of reducing noises generated at voice terminal |
| CN103885343A (en) * | 2012-12-20 | 2014-06-25 | 中国科学院沈阳自动化研究所 | Wireless gateway device with explosion suppression and electromagnetic shielding function |
-
2016
- 2016-10-10 CN CN201610884099.5A patent/CN106209262B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009189049A (en) * | 2001-06-01 | 2009-08-20 | Board Of Trustees Of The Leland Stanford Junior Univ | Control of dynamic digital communication system |
| CN101778531A (en) * | 2010-02-23 | 2010-07-14 | 华为技术有限公司 | Integrated printed circuit board |
| CN202019393U (en) * | 2011-01-21 | 2011-10-26 | 中兴通讯股份有限公司 | Terminal |
| CN202949358U (en) * | 2012-12-17 | 2013-05-22 | 上海市共进通信技术有限公司 | Power circuit structure capable of reducing noises generated at voice terminal |
| CN103885343A (en) * | 2012-12-20 | 2014-06-25 | 中国科学院沈阳自动化研究所 | Wireless gateway device with explosion suppression and electromagnetic shielding function |
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| Publication number | Publication date |
|---|---|
| CN106209262B (en) | 2019-02-05 |
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