CN108365351A - A kind of Earth noise cancellation element, electronic equipment - Google Patents
A kind of Earth noise cancellation element, electronic equipment Download PDFInfo
- Publication number
- CN108365351A CN108365351A CN201810058104.6A CN201810058104A CN108365351A CN 108365351 A CN108365351 A CN 108365351A CN 201810058104 A CN201810058104 A CN 201810058104A CN 108365351 A CN108365351 A CN 108365351A
- Authority
- CN
- China
- Prior art keywords
- antenna
- earth noise
- metal cavity
- supporter
- wireless network
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Details Of Aerials (AREA)
- Telephone Set Structure (AREA)
Abstract
The embodiment of the invention discloses a kind of Earth noise cancellation element, electronic equipments, wherein described device includes：First antenna, metal cavity and grounded parts, wherein：The Earth noise being collected into is radiate by the first antenna for collecting the Earth noise that wireless network card radiates, and the first antenna is located in the metal cavity；The metal cavity is for receiving the Earth noise that first antenna gives off；The grounded parts is for metal cavity to be grounded.
Description
Technical field
The present invention relates to electronic technology more particularly to a kind of Earth noise cancellation element, electronic equipments.
Background technology
The wireless network card energy that connector (connector) radiates at work become Earth noise, and these make an uproar
Sound can interfere the useful signal in the cable core wire of connection antenna, to influence the radio function of system.Earth noise is eliminated at present
Generally using the processing mode of middle stripping ground connection, that is to say, that choose one section in the cable of connection antenna, peel off cable
Plastic peel, and the section is wrapped with conductive fabric, conductive fabric is grounded, Earth noise is eliminated.But ground connection is shelled in using
Although processing mode can eliminate Earth noise, due to being eliminated on cable, Earth noise still can interfere conductive fabric
The useful signal in cable core wire before cannot be eliminated from the generation root of Earth noise.
Invention content
In view of this, the embodiment of the present invention is solves the problems, such as existing in the prior art at least one to provide a kind of make an uproar
Sound cancellation element, electronic equipment can eliminate Earth noise, to promote the wireless of electronic equipment from the source for generating Earth noise
System performance.
What the technical solution of the embodiment of the present invention was realized in：
On the one hand, the embodiment of the present invention provides a kind of Earth noise cancellation element, and described device includes：First antenna, metal
Cavity and grounded parts, wherein：
The first antenna, the Earth noise radiated for collecting wireless network card, and the Earth noise being collected into is radiated
It goes out, the first antenna is located in the metal cavity；
The metal cavity is for receiving the Earth noise that first antenna gives off；
The grounded parts is for metal cavity to be grounded.
On the other hand, the embodiment of the present invention provide a kind of electronic equipment, the electronic equipment include at least wireless network card and
Earth noise cancellation element as described above.
The embodiment of the present invention provides a kind of Earth noise cancellation element, electronic equipment, wherein described device includes：First day
Line, metal cavity and grounded parts, wherein：The first antenna is used to collect the Earth noise that wireless network card radiates, and will
The Earth noise being collected into is radiate, and the first antenna is located in the metal cavity；The metal cavity is for receiving the
The Earth noise that one aerial radiation goes out；The grounded parts so, it is possible for metal cavity to be grounded in the source for generating Earth noise
Head eliminates Earth noise, to improve the wireless system performance of electronic equipment.
Description of the drawings
Figure 1A is the schematic diagram for shelling ground connection during the cable of antenna uses to connecting；
Figure 1B is the schematic diagram of wireless network card of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of Earth noise cancellation element of the embodiment of the present invention；
Fig. 3 is the schematic diagram of Earth noise cancellation element of the embodiment of the present invention；
Fig. 4 is wireless network card of the embodiment of the present invention and Earth noise cancellation element combining structure schematic diagram.
Specific implementation mode
Currently, wireless network card is in the process of work, the energy that the connector core wires of wireless network card radiate can coupling
It is bonded in the cable core wire of connection antenna and forms noise current, the useful signal in cable core wire to interfere connection antenna,
Here the namely usually described Earth noise of noise current.Earth noise is eliminated at present generally using the processing of middle stripping ground connection
Mode.Figure 1A is the schematic diagram for shelling ground connection during the cable of antenna uses to connecting, as shown in Figure 1A, in the cable of connection antenna
One section is chosen in 101, peels off the plastic peel of cable, and the section conductive fabric 102 is wrapped, conductive fabric is grounded, from
And Earth noise is eliminated.The ground connection of conductive fabric 102, which can be pasted conductive fabric 102 during realization, can be considered as ground connection
On cabinet inner wall 103.Since the processing mode of middle stripping ground connection is eliminated on cable, Earth noise still can interfere setting to lead
The useful signal in cable core wire before electric cloth cannot be eliminated from the generation root of Earth noise.It is of the invention based on this
Embodiment provides a kind of Earth noise cancellation element, can eliminate Earth noise from the source of generation of Earth noise, be set to improve electronics
Standby wireless system performance.
Embodiment in order to better understand the present invention first says the component of the wireless network card involved in the present embodiment
It is bright.
Figure 1B is the schematic diagram of wireless network card of the embodiment of the present invention, and as shown in Figure 1B, 121 be wireless network card
The ends GND of connector, 122 be the hard contact of connector, and 123 be the IPEX terminals for the cable for connecting antenna, works as line
When the IPEX terminals of cable are fastened on connector, hard contact 122 is contacted with the core wire in cable, and then is connected.It is described
The ends GND 121 and IPEX termination contacts and then conducting.
The technical solution of the present invention is further elaborated in the following with reference to the drawings and specific embodiments.
The technical issues of in order to solve aforementioned background art, the embodiment of the present invention provide a kind of Earth noise cancellation element, institute
Stating device includes：First antenna, metal cavity and grounded parts, wherein：
The first antenna, the Earth noise radiated for collecting wireless network card, and the Earth noise being collected into is radiated
It goes out, the first antenna is located in the metal cavity.
Here, during realization, the first antenna can be connected to the connector of wireless network card via conducting wire
The ends ground terminal GND or the additional IPEX terminals of the input parameter for being connected to cable, in the present embodiment wireless network card radiate
Earth noise refers to the Earth noise that the ends GND of wireless network card or IPEX terminals radiate.The quantity of the first antenna can be with
It is one, can also be N number of, wherein N is the number of connector on wireless network card.
The metal cavity, the Earth noise given off for receiving first antenna.
Here, during realization, can multiple second antennas be set in the inner wall of metal cavity 202, passes through second
Antenna receives the Earth noise that first antenna gives off.It is of course also possible to which being not provided with the second antenna directly and have metal cavity receives the
The Earth noise that one aerial radiation goes out, it is obvious that metal cavity collects the ground that first antenna gives off and makes an uproar when being provided with the second antenna
The case where effect of sound can be better than being not provided with the metal cavity of the second antenna.
The grounded parts, for the metal cavity to be grounded.
Here, further, the grounded parts 203 is used to the outer wall of the metal cavity 202 being grounded.
The embodiment of the present invention provides a kind of Earth noise cancellation element, electronic equipment, wherein described device includes：First day
Line, metal cavity and grounded parts, wherein：The first antenna is used to collect the Earth noise that wireless network card radiates, and will
The Earth noise being collected into is radiate, and the first antenna is located in the metal cavity；The metal cavity is for receiving the
The Earth noise that one aerial radiation goes out；The grounded parts so, it is possible for metal cavity to be grounded in the source for generating Earth noise
Head eliminates Earth noise, to improve the wireless system performance of electronic equipment.
Based on embodiment above-mentioned, the embodiment of the present invention provides a kind of Earth noise cancellation element again, and Fig. 2 is that the present invention is implemented
The structural schematic diagram of example Earth noise cancellation element, as shown in Fig. 2, described device 200 includes：First antenna 201, metal cavity
202 and grounded parts 203, wherein：
The first antenna 201 is connected to the ends GND 2012 of the connector of wireless network card via conducting wire 2011, described
First antenna 201 is located at 202 in the metal cavity.
The Earth noise that the first antenna 201 is used to collect the ends GND 2012 or IPEX terminals 2013 radiate, and will
The Earth noise being collected into is radiate.
The second antenna 2021 is provided on the inner wall of the metal cavity 202, second antenna is for receiving first day
The Earth noise that beta radiation goes out.
The grounded parts 203 is used to the outer wall of metal cavity being grounded.
In the present embodiment, the number N of connector is 2 on wireless network card, and the quantity of first antenna is 1.Described
One antenna is connected to 2 ends GND by least two conducting wires, and in the present embodiment, the first antenna is connected by 3 conducting wires
In 2 ends GND, as shown in Fig. 2, being connected to one end of 2 conducting wires on 2 ends GND, the 3rd is connected in first antenna
Another section of one end of conducting wire, this three conducting wires links together.
In other embodiments, it is assumed that the number N of connector is 2 on wireless network card, and the quantity of first antenna can be
2, at this point, 2 first antennas are connected to 2 ends GND by 2 conducting wires.
As shown in Fig. 2, the metal cavity 202 is made of a supporter 2022 and two sides 2023 to oppose,
In, the supporter 2022 is hollow cube, and 2021 scattering device of the second antenna is in the supporter 2022
Wall.Wherein, the quantity of second antenna is at least one, but in order to preferably receive the Earth noise that first antenna gives off,
The quantity of second antenna is generally in two or more, and the second antenna is disposed in proximity to the supporter 2022 of first antenna
Inner wall section.
The bottom surface of the supporter 2022 is provided at least one hole, for interting the first antenna 201 into described
Supporter 2022.And the height of the supporter 2022 is more than the length of the first antenna 201, just can guarantee first in this way
Antenna 201 can all intert into the supporter 2022, prevent Earth noise from leaking out.
The grounded parts 203 is conductive fabric or set screw.
For using the wireless network card of Earth noise cancellation element provided in an embodiment of the present invention, when wireless network card is in work
When making state, such as when wireless network card upload or downloading data, the energy that wireless network card connector is radiated can be coupled to
Above antenna connector GND, noise current, noise current here i.e. Earth noise are formed；Wireless network card
The ends connector form potential difference with the first antenna 201 positioned at supporter 2022, and noise current (Earth noise) will pass through conducting wire
2011 are transmitted to first antenna 201, and are radiate in the form of an electromagnetic wave by first antenna 201；Second in supporter
After antenna 2021 is collected into these electromagnetic waves, electromagnetic wave is converted into current forms (voltage is formed simultaneously), with existing between ground
Potential difference, by Earth noise as an electrical current by grounded parts 203 import to which Earth noise be eliminated.By constantly repeating
The process, can realize reduces influence of the Earth noise to antenna on connector, and then improves radio transmission performance.
The embodiment of the present invention provides a kind of Earth noise cancellation element, and described device includes：It first antenna, metal cavity and connects
Ground component, wherein：The first antenna is connected to the ends ground terminal GND at the ends connector connector of wireless network card via conducting wire,
The first antenna is located in the metal cavity, and the first antenna is used to collect the Earth noise that the ends GND radiate, and will
The Earth noise being collected into is radiate；The second antenna is provided on the inner wall of the metal cavity, second antenna is for connecing
Receive the Earth noise that first antenna gives off；The grounded parts is used to the outer wall of metal cavity being grounded, and so, it is possible generating
The source of Earth noise, that is, eliminate Earth noise at the ends GND, to improve the wireless system performance of electronic equipment.
The embodiment of the present invention provides a kind of portable electronic device again, and Fig. 3 is Earth noise cancellation element of the embodiment of the present invention
Schematic diagram.As shown in figure 3, the Earth noise device includes：First antenna 301, metal cavity 302 and grounded parts 303,
In：
The first antenna 301 is connected to additional IPEX terminals of input parameter of cable and first day described via conducting wire
Line 301 is located in the metal cavity, the first antenna is used for the Earth noise that radiates of IPEX terminals, and will be collected into
Earth noise is radiate；
It is provided with the second antenna 3021 on the inner wall of the metal cavity 302, second antenna 3021 is for receiving the
The Earth noise that one antenna 301 gives off；
The grounded parts 303 is used to the outer wall of metal cavity being grounded.
In the present embodiment, the number N of the connector on the wireless network card is 2, the number of the first antenna 301
Amount is 2.The first antenna 301 is connected to by 2 conducting wires at 2 IPEX terminals.
Certainly, in other embodiments, the quantity of the first antenna 301 can be 1, at this time the first antenna
301 are connected to by two conducting wires at two IPEX terminals.
In the present embodiment, the metal cavity 302 is made of a supporter 3021 and two sides 3022 to oppose,
Wherein, the supporter 3021 is hollow cube.The bottom surface of the supporter 3021 and the IPEX termination contacts of cable, make
The cable is obtained to fasten securely with connector.Fig. 4 is wireless network card of the embodiment of the present invention and Earth noise cancellation element combination knot
Structure schematic diagram, as shown in figure 4, the Earth noise cancellation element 401 is set to 402 top of cable IPEX terminals, and and IPEX
Termination contact makes cable be not easy to fall off from connector, and the Earth noise cancellation element can not only eliminate Earth noise
The plastic part of fixed cable IPEX can also be substituted.
In the present embodiment, there are two holes for the bottom surface setting of the supporter 3021, for dividing two first antennas 301
Do not intert into the supporter 3021.Wherein, the shape in hole is not limited to circle, rectangle, square, triangle, but needs
Ensure that the size in hole is enough to intert first antenna 301 into the supporter 3021.
In other embodiments, a hole can be arranged in the bottom surface of the supporter 3021, be used for two first antennas
301 intert into the supporter 3021, at this point, the size needs in the hole are enough all interspersed part of two first antennas 301
In the supporter.
And the height of the supporter 3022 is more than the length of the first antenna 301, just can guarantee in this way first day
Line 301 can all intert into the supporter 3022, prevent Earth noise from leaking out.
The grounded parts 303 is conductive fabric or set screw, and in the present embodiment, the grounded parts is conductive fabric,
Conductive fabric one end is connected to the metal cavity outer wall, other end ground connection, to eliminate Earth noise.
The embodiment of the present invention provides a kind of electronic equipment again, and the electronic equipment includes at least wireless network card and other implementations
Earth noise cancellation element described in example.Since Earth noise cancellation element can eliminate Earth noise from source, so as to keep away
The useful signal exempted from cable core wire of the Earth noise to connecting antenna generates interference, and then promotes the wireless system of electronic equipment
Energy.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic includes at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific feature, knots
Structure or characteristic can in any suitable manner combine in one or more embodiments.It should be understood that in the various implementations of the present invention
In example, size of the sequence numbers of the above procedures is not meant that the order of the execution order, and the execution sequence of each process should be with its work(
It can determine that the implementation process of the embodiments of the invention shall not be constituted with any limitation with internal logic.The embodiments of the present invention
Serial number is for illustration only, can not represent the quality of embodiment.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.Apparatus embodiments described above are merely indicative, for example, the division of the unit, only
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as：Multiple units or component can combine, or
It is desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed each composition portion
It can be the INDIRECT COUPLING by some interfaces, equipment or unit to divide mutual coupling or direct-coupling or communication connection
Or communication connection, can be electrical, mechanical or other forms.
The above-mentioned unit illustrated as separating component can be or may not be and be physically separated, aobvious as unit
The component shown can be or may not be physical unit；Both it can be located at a place, may be distributed over multiple network lists
In member；Some or all of wherein unit can be selected according to the actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing unit, also may be used
It, can also be during two or more units be integrated in one unit to be each unit individually as a unit；It is above-mentioned
The form that hardware had both may be used in integrated unit is realized, can also be realized in the form of hardware adds SFU software functional unit.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in computer read/write memory medium, which exists
When execution, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes：Movable storage device read-only is deposited
The various media that can store program code such as reservoir (Read Only Memory, ROM), magnetic disc or CD.
If alternatively, the above-mentioned integrated unit of the present invention is realized in the form of software function module and as independent product
Sale in use, can also be stored in a computer read/write memory medium.Based on this understanding, the present invention is implemented
Substantially the part that contributes to existing technology can be expressed in the form of software products the technical solution of example in other words,
The computer software product is stored in a storage medium, including some instructions are used so that computer equipment (can be with
It is personal computer, server or network equipment etc.) execute all or part of each embodiment the method for the present invention.
And storage medium above-mentioned includes：Various Jie that can store program code such as movable storage device, ROM, magnetic disc or CD
Matter.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of Earth noise cancellation element, which is characterized in that described device includes：First antenna, metal cavity and grounded parts,
Wherein：
The Earth noise being collected into is radiate by the first antenna for collecting the Earth noise that wireless network card radiates,
The first antenna is located in the metal cavity；
The metal cavity is for receiving the Earth noise that first antenna gives off；
The grounded parts is for the metal cavity to be grounded.
2. according to the device described in claim 1, which is characterized in that the first antenna is connected to wireless network card via conducting wire
Connector the ends ground terminal GND or be connected to the additional IPEX terminals of input parameter of cable, the quantity of the first antenna is
One or N number of, wherein N is the number of connector on wireless network card.
3. according to the device described in claim 2, which is characterized in that described if the quantity of the first antenna is one
First antenna is connected to by least N roots conducting wire at N number of ends GND or N number of IPEX terminals.
4. according to the device described in claim 2, which is characterized in that if the quantity of the first antenna is N number of, N number of the
One antenna is connected to by N root conducting wires at N number of ends GND or N number of IPEX terminals.
5. according to the device described in claim 1, which is characterized in that the metal cavity is opposed by a supporter and two
Side composition, wherein the supporter be hollow cube.
6. according to the device described in claim 5, which is characterized in that the bottom surface of the supporter and the IPEX terminals of cable connect
It touches so that the cable fastens secured with connector；
The bottom surface of the supporter is provided at least one hole, for interting the first antenna into the supporter.
7. according to the device described in claim 5, which is characterized in that the height of the supporter is more than the first antenna
Length.
8. according to the device described in claim 5, which is characterized in that the inner wall of the metal cavity is provided with the second antenna,
The second antenna scattering device is in the inner wall of the supporter.
9. according to the device described in claim 1, which is characterized in that the grounded parts is used for the outer of the metal cavity
Wall is grounded, and the grounded parts is conductive fabric or set screw.
10. a kind of electronic equipment, which is characterized in that the electronic equipment includes at least：In wireless network card and claim 1 to 9
Any one of them Earth noise cancellation element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810058104.6A CN108365351B (en) | 2018-01-22 | 2018-01-22 | Ground noise elimination device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810058104.6A CN108365351B (en) | 2018-01-22 | 2018-01-22 | Ground noise elimination device and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108365351A true CN108365351A (en) | 2018-08-03 |
| CN108365351B CN108365351B (en) | 2020-06-23 |
Family
ID=63006598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810058104.6A Active CN108365351B (en) | 2018-01-22 | 2018-01-22 | Ground noise elimination device and electronic equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN108365351B (en) |
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| CN105356058A (en) * | 2015-11-26 | 2016-02-24 | 联想(北京)有限公司 | Electronic equipment and antenna apparatus |
| CN205406726U (en) * | 2016-03-01 | 2016-07-27 | 深圳市大疆创新科技有限公司 | Grounded parts, antenna module and unmanned aerial vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1369120A (en) * | 1999-02-10 | 2002-09-11 | 奥根公司 | Antenna device and radio communication device including antenna device |
| CN2577535Y (en) * | 2002-05-20 | 2003-10-01 | 神达电脑股份有限公司 | Assembled electromagnetic interference neutralizing apparatus |
| US20040257281A1 (en) * | 2003-06-17 | 2004-12-23 | Junichi Noro | Antenna apparatus |
| JP2014187457A (en) * | 2013-03-22 | 2014-10-02 | Panasonic Corp | Emergency alert broadcasting supporting module and digital broadcast receiver mounted with emergency alert broadcasting supporting module |
| CN104302095A (en) * | 2013-07-17 | 2015-01-21 | 联发科技股份有限公司 | Electronic device for eliminating wireless noise interference |
| CN104601188A (en) * | 2015-01-30 | 2015-05-06 | 联想(北京)有限公司 | Electronic equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108365351B (en) | 2020-06-23 |
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