CN106209262B - A kind of ground structure of home gateway - Google Patents
A kind of ground structure of home gateway Download PDFInfo
- Publication number
- CN106209262B CN106209262B CN201610884099.5A CN201610884099A CN106209262B CN 106209262 B CN106209262 B CN 106209262B CN 201610884099 A CN201610884099 A CN 201610884099A CN 106209262 B CN106209262 B CN 106209262B
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- Prior art keywords
- module
- home gateway
- ground level
- objective circuit
- ground
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- 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 a kind of ground structure of home gateway, the ground structure of home gateway of the present invention includes: objective circuit module, system ground level and immunity module；The ground terminal of objective circuit module is connected by immunity module with the incoming end of system ground level.The ground structure of home gateway provided by the invention is able to suppress interference signal and transmits between objective circuit module and system ground level, if objective circuit module is the generation module of interference signal, interference signal is able to suppress to systematically planar transmission, so as to avoid the interference signal of objective circuit module to pass through influence of the system ground level to other circuit module performances as far as possible；If the ground structure provided through the invention, the interference signal being able to suppress in system ground level is transferred into objective circuit module there are interference signal in system ground level, the interference signal in system ground level is avoided to influence the performance of objective circuit module as far as possible.
Description
Technical field
The present invention relates to field of electronic devices, and in particular to a kind of ground structure of home gateway.
Background technique
Current era is digital Age, has various forms, the terminal of different function, the core of digital home in digital home
The heart is terminal platform, and the administrative center of this terminal platform is exactly home service gateway, the upper end connection of home service gateway
The broadband network of operator, lower end are then the various application terminals connected in digital home by different interfaces.
Many home service gateways have the function of DSL digital subscriber line and VoIP internet protocol voice transmission function simultaneously
Energy.Has the function of the gateway of DSL and voice over ip feature simultaneously, correspondingly, DSL function can have been designed simultaneously on its PCB circuit
Energy module and voice over ip feature module, DSL functional module and voice over ip feature module are directly connected with the same ground level, i.e., systematically
Plane.But due to being easy to produce noise jamming in voice over ip feature module, and at voice over ip feature module and DSL functional module
The frequency range of the signal of reason some be overlapping, therefore voice over ip feature module generate noise jamming be easy by share be
System ground level propagates to DSL functional module, influences the performance of DSL functional module.In order to solve this problem, the prior art is in net
It, can be by DSL functional module as far as possible far from voice over ip feature module, to reduce interference in the PCB design for closing equipment.
But with the trend toward miniaturization of family gateway equipment, the PCB size inside gateway is gradually reduced, this limit
The maximum distance between DSL functional module and voice over ip feature module has been made, has been made it difficult to by the way that DSL functional module is separate as far as possible
Voice over ip feature module reduces influence of the noise jamming in voice over ip feature module to DSL functional module.
Summary of the invention
The embodiment of the invention provides a kind of ground structure of home gateway, the noise for solving voice over ip feature module is dry
Disturb the interference problem by system ground level to other circuit modules.
In order to achieve the above objectives, on the one hand the embodiment of the present invention provides the ground structure of a kind of home gateway, comprising:
Objective circuit module, system ground level and immunity module；
The incoming end phase that the ground terminal of the objective circuit module passes through the immunity module and the system ground level
Even.
With reference to first aspect, in the first possible implementation of the first aspect, the objective circuit module is
Voice over ip feature module.
With reference to first aspect or the first possible implementation of first aspect, second in first aspect are possible
In implementation, the objective circuit module is DSL functional module.
With reference to first aspect, second of possible reality of the possible implementation of the first of first aspect and first aspect
Among existing mode any one, in a third possible implementation of the first aspect, the immunity module be inductance or
Magnetic bead.
With reference to first aspect, the possible implementation of the first of first aspect, first aspect second of possible reality
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, the immunity module is the parallel-connection structure of inductance and magnetic bead.
With reference to first aspect, the possible implementation of the first of first aspect, first aspect second of possible reality
It is any among 4th kind of possible implementation of existing mode, the third possible implementation of first aspect and first aspect
One kind, in the fifth possible implementation of the first aspect, the ground structure are based on pcb board, and the pcb board includes the
One laminate and the second laminate, the immunity module are set in the first laminate of the pcb board, the system ground level setting
In the second laminate of pcb board；
First through hole is provided between first laminate and second laminate, the first end of the immunity module is logical
The first through hole is crossed to be connected with the incoming end of the system ground level.
Among the 5th kind of possible implementation with reference to first aspect any one, in the 6th kind of possibility of first aspect
Implementation in, the objective circuit module is fixed on the upper surface of the pcb board；
It is provided with the second through-hole between first laminate and the upper surface of the pcb board, the of the immunity module
Two ends are connected by second through-hole with the objective circuit module.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
The ground structure of home gateway provided by the invention has objective circuit module, system ground level and anti-interference mould
The ground terminal of block, objective circuit module is connected by immunity module with the incoming end of system ground level, and interference letter is able to suppress
It number is transmitted between objective circuit module and system ground level.
Detailed description of the invention
Fig. 1 is ground structure one embodiment schematic diagram of home gateway of the present invention；
Fig. 2 is another embodiment schematic diagram of the ground structure of home gateway of the present invention；
Fig. 3 is another embodiment schematic diagram of the ground structure of home gateway of the present invention；
Fig. 4 is schematic cross-section of the ground structure of home gateway of the present invention in pcb board.
Specific embodiment
The embodiment of the invention provides a kind of ground structures of home gateway, for inhibiting interference signal in objective circuit mould
It is transmitted between block and system ground level.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
Description and claims of this specification and term " first ", " second ", " third ", " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
For the ease of the understanding of those skilled in the art, the present invention is by following embodiment to technical side provided by the invention
The specific implementation process of case is illustrated.
Referring to Fig. 1, ground structure one embodiment of home gateway of the present invention includes:
Objective circuit module 101, system ground level 102 and immunity module 103；
The ground terminal 1011 of objective circuit module 101 passes through the incoming end of immunity module 103 and system ground level 102
1021 are connected.
In order to realize the multiple functions of home gateway, multiple functional modules are generally included in the circuit structure of home gateway,
Multiple functional modules generally pass through a systematically Planar realization ground connection.The ground junction of home gateway provided in an embodiment of the present invention
The ground terminal of objective circuit module is connected by immunity module with the incoming end of system ground level, is able to suppress interference by structure
Signal transmits between objective circuit module and system ground level.Specifically, if objective circuit module is the generation of interference signal
When module, interference signal is able to suppress to systematically planar transmission, so as to avoid the interference of objective circuit module to believe as far as possible
Number pass through influence of the system ground level to other circuit module performances；If there are interference signals in system ground level, by this hair
The ground structure of bright offer, the interference signal being able to suppress in system ground level are transferred into objective circuit module, avoid as far as possible
Interference signal in system ground level influences the performance of objective circuit module.
Magnetic bead is made of oxygen magnet, and AC signal is converted into thermal energy；Inductance is made of magnetic core and coil, and inductance is exchange
It stores, slowly discharges.The two is often used as eliminating the exchange being present in transmission line structure (circuit in other words)
Ingredient.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, it is simple and practical, and almost without increased costs, save the cost.Since the electrical parameter of magnetic bead or inductance is different,
The frequency range that it effectively inhibits is also different, therefore when selecting the electrical parameter of magnetic bead or inductance, needs to determine master first
Wanting the frequency range of interference signal is how many, and the noise attentuation needed is how many, and circuit and load impedance are how many.
Have the function of the home gateway of DSL and voice over ip feature simultaneously, DSL functional module and VoIP are provided with while corresponding
Functional module.Noise jamming, and voice over ip feature module and the processing of DSL functional module are wherein easy to produce in voice over ip feature module
Signal frequency range some be overlapping, therefore the noise jamming that voice over ip feature module generates is easy through shared system
Ground level propagates to DSL functional module, influences the performance of DSL functional module.Therefore, it is generated to reduce voice over ip feature module
Influence of the noise jamming to DSL functional module, objective circuit module can be voice over ip feature module.Referring to Fig. 2, anti-interference mould
Block is by taking magnetic bead as an example, in practical applications, magnetic bead can also be replaced with to the parallel-connection structure of inductance or magnetic bead and inductance, this hair
Another embodiment of the ground structure of bright home gateway includes:
Voice over ip feature module 201, system ground level 202 and magnetic bead 203, the first ground terminal of voice over ip feature module 201
2011 are connected by magnetic bead 203 with the incoming end 2021 of system ground level 202.
The ground structure of other circuit modules, by taking DSL functional module 204 as an example, the second ground connection of DSL functional module 204
End 2041 is connected with the ground terminal 2021 of system ground level 202.
The ground structure of home gateway provided in an embodiment of the present invention, by the ground terminal of voice over ip feature module by magnetic bead with
The incoming end of system ground level is connected, and is able to suppress the interference signal generated in voice over ip feature module and passes through systematically planar transmission
Into in DSL functional module, influence of the voice over ip feature module to DSL functional module is reduced.
In order to reduce influence of the noise jamming of voice over ip feature module generation to DSL functional module, objective circuit module
It can be DSL functional module.Referring to Fig. 3, immunity module by taking magnetic bead as an example, in practical applications, magnetic bead can also be replaced
It is 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, system ground level 302 and magnetic bead 303, the first ground terminal of DSL functional module 301
3011 are connected by magnetic bead 303 with the incoming end 3021 of system ground level 302.
The ground structure of other circuit modules, by taking voice over ip feature module 304 as an example, the second of voice over ip feature module 304 is connect
Ground terminal 3041 is connected with the ground terminal 3021 of system ground level.
The ground structure of home gateway provided in an embodiment of the present invention, by the ground terminal of DSL functional module by magnetic bead with
The incoming end of system ground level is connected, in this way, even if the interference signal generated in voice over ip feature module is transferred into system Horizon
Face, the ground structure provided through the invention, the interference signal being able to suppress in system ground level are transferred into DSL functional module
In, to reduce influence of the voice over ip feature module to DSL functional module.
In practical applications, the ground terminal of DSL functional module can also be passed through into immunity module and system ground level
Incoming end is connected, meanwhile, the ground terminal of voice over ip feature module is connected by immunity module with the incoming end of system ground level.
The circuit structure of home gateway is normally based on PCB multilayer board, referring to Fig. 4, for illustrating the present invention
The implementation of the ground structure of the home gateway of offer in the pcb, another reality of the ground structure of home gateway of the present invention
Applying example includes:
Objective circuit module 401, system ground level 402 and immunity module 403.
Objective circuit module 401 is connected by immunity module 403 with system ground level 402.
The ground structure can be based on pcb board 404, which at least should include the first laminate 4041 and the second laminate
4042, immunity module 403 is set in the first laminate 4041 of pcb board 404, and system ground level 402 is set to pcb board 404
The second laminate 4042 in.
It is provided with first through hole 4043 between first laminate 4041 and the second laminate 4042, immunity module 403 passes through the
One through-hole 4043 is electrical connected with system ground level 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 tops are additionally provided with third laminate 4044, and the upper surface of third laminate 4044 is the upper surface of pcb board 404, therefore target
Circuit module 401 is fixed on the upper surface of third laminate 4044.
The second through-hole 4045 is provided between first laminate 4041 and the upper surface of pcb board 404, immunity module 403
Second end 4032 is connected by the second through-hole 4045 with objective circuit module 401.
Objective circuit module 401 can be DSL functional module or voice over ip feature module.
Magnetic bead is made of oxygen magnet, and AC signal is converted into thermal energy；Inductance is made of magnetic core and coil, and inductance is exchange
It stores, slowly discharges.The two is often used as eliminating the exchange being present in transmission line structure (circuit in other words)
Ingredient.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.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, RandomAccess Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (5)
1. a kind of ground structure of home gateway characterized by comprising
Objective circuit module, system ground level and immunity module；
The ground terminal of the objective circuit module is connected by the immunity module with the incoming end of the system ground level；
The objective circuit module is that internet protocol voice transmits voice over ip feature module, the ground structure of the home gateway
It further include digital subscriber line DSL functional module, the ground terminal phase of the ground terminal and system ground level of the DSL functional module
Even；
Or, the objective circuit module is digital subscriber line DSL functional module, the ground structure of the home gateway is also wrapped
Voice over ip feature module is included, the ground terminal of the voice over ip feature module is connected with the ground terminal of system ground level.
2. the ground structure of home gateway according to claim 1, which is characterized in that the immunity module be inductance or
Magnetic bead.
3. the ground structure of home gateway according to claim 1, which is characterized in that the immunity module be inductance with
The parallel-connection structure of magnetic bead.
4. the ground structure of home gateway according to any one of claim 1 to 3, which is characterized in that the ground junction
Structure is based on pcb board, and the pcb board includes the first laminate and the second laminate, and the immunity module is set to the of the pcb board
In one laminate, the system ground level is set in the second laminate of pcb board；
First through hole is provided between first laminate and second laminate, the first end of the immunity module passes through institute
First through hole is stated to be connected with the incoming end of the system ground level.
5. the ground structure of home gateway according to claim 4, which is characterized in that the objective circuit module is fixed on
The upper surface of the pcb board；
The second through-hole, the second end of the immunity module are provided between first laminate and the upper surface of the pcb board
It is connected by second through-hole with the objective circuit module.
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 |
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| Publication Number | Publication Date |
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| CN106209262A CN106209262A (en) | 2016-12-07 |
| CN106209262B true CN106209262B (en) | 2019-02-05 |
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ID=57521094
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610884099.5A Active CN106209262B (en) | 2016-10-10 | 2016-10-10 | A kind of ground structure of home gateway |
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Citations (4)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202019393U (en) * | 2011-01-21 | 2011-10-26 | 中兴通讯股份有限公司 | Terminal |
-
2016
- 2016-10-10 CN CN201610884099.5A patent/CN106209262B/en active Active
Patent Citations (4)
| 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 |
| 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 |
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| CN106209262A (en) | 2016-12-07 |
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