CN206259931U - WiFi radio frequency structures and WiFi equipment - Google Patents
WiFi radio frequency structures and WiFi equipment Download PDFInfo
- Publication number
- CN206259931U CN206259931U CN201621226312.5U CN201621226312U CN206259931U CN 206259931 U CN206259931 U CN 206259931U CN 201621226312 U CN201621226312 U CN 201621226312U CN 206259931 U CN206259931 U CN 206259931U
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- Prior art keywords
- wifi
- radio frequency
- shielding part
- antenna
- circuit board
- 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.)
- Expired - Fee Related
Links
- 238000009422 external insulation Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 7
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- 238000000576 coating method Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 description 28
- 230000000694 effects Effects 0.000 description 5
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- 238000005516 engineering process Methods 0.000 description 3
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- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model is related to a kind of WiFi radio frequency structures and WiFi equipment.Including mainboard；Radio frequency circuit board, is connected and is provided with the first shielding part for preventing the radio circuit partitioned signal leakage with the mainboard；And WiFi modules, including the WiFi chip being arranged on the mainboard, and the antenna that two ends are connected with the radio frequency circuit board and the WiFi chip respectively, the secondary shielding part for preventing its signal from revealing is provided with the WiFi chip, the 3rd shielding part is provided with the periphery of the antenna.Because the first shielding part is that can play good shielding action to radio frequency circuit board and WiFi chip with secondary shielding part.For the antenna for exposing, the 3rd shielding part is provided with its periphery, 3rd shielding part is acted on by ground connection can effectively prevent the leakage of aerial signal, finally cause that the leakage signal of radio frequency circuit board, WiFi chip and antenna is thus completely shielded, and eliminate its interference to other circuits.The antijamming capability for including the WiFi equipment of WiFi radio frequency structures is significantly improved.
Description
Technical field
The utility model is related to WiFi radio frequency arts, more particularly to a kind of WiFi radio frequency structures and comprising this
The WiFi equipment of WiFi radio frequency structures.
Background technology
With the fast development of modern science and technology, application of the WiFi technology in Intelligent mobile equipment is further extensive, greatly
Change the Working and life styles of people.It is general, it is traditional with WiFi function equipment (such as intelligence WIFI audio amplifiers,
DAC, blue light machine etc.) all include WiFi modules and radio frequency circuit board, WiFi modules and radio frequency circuit board are located at the shell of equipment
It is interior, but, in the course of the work, can there is different degrees of signal leakage in WiFi modules and radio frequency circuit board to equipment, so that
Interference is constituted to other circuits in device interior.
Utility model content
Based on this, it is necessary to provide a kind of WiFi radio frequency structures and WiFi equipment that can improve shielding properties.
A kind of WiFi radio frequency structures, including：
Mainboard；
Radio frequency circuit board, is connected and is provided with the first shielding for preventing the radio circuit partitioned signal leakage with the mainboard
Part；And
WiFi modules, including be arranged on the WiFi chip on the mainboard, and two ends respectively with the radio frequency circuit board and
The antenna of the WiFi chip connection, is provided with the secondary shielding part for preventing its signal from revealing, the day on the WiFi chip
Being provided with the periphery of line prevents its signal from revealing and the 3rd shielding part for being grounded.
Wherein in one embodiment, the 3rd shielding part is to wrap the conductive coating on the antenna.
Wherein in one embodiment, first shielding part is the radome for covering the radio frequency circuit board, described
Two shielding parts are the radome for covering the WiFi chip.
Wherein in one embodiment, connector is installed on the WiFi chip, is provided with first shielding part
Mounting hole corresponding with the connector, the antenna is located in the mounting hole and one end is fixed on the connector,
The other end of the antenna is connected with the radio frequency circuit board.
Wherein in one embodiment, connector one end corresponding with the antenna is provided with the fixation antenna
Snap finger.
Wherein in one embodiment, it is folded between the 3rd shielding part and first shielding part for increasing by two
The centre contact of person's contact area.
Wherein in one embodiment, centre contact is stated for conducting foam.
Wherein in one embodiment, the antenna includes center conductor, wraps in the hub connector periphery
Insulating barrier, wraps the ground plane in the inner insulating layer periphery, and wrap the external insulation layer in the ground plane periphery.
Wherein in one embodiment, the inner insulating layer and the external insulation layer are rubber insulation.
The utility model provide WiFi radio frequency structures, due to the first shielding part be can be to radio frequency with secondary shielding part
Circuit board and WiFi chip play good shielding action.For the antenna for exposing, the 3rd shielding part is provided with its periphery, the
Three shielding parts are acted on by ground connection can effectively prevent the leakage of aerial signal, finally cause radio frequency circuit board, WiFi chip and day
The leakage signal of line is thus completely shielded, and eliminates its interference to other circuits.
A kind of WiFi equipment, including shell, and as above any described WiFi radio circuits are arranged in the shell
Structure.
The WiFi equipment that the utility model is provided, the leakage signal due to WiFi radio frequency structures is shielded, and eliminates it
Influence to other circuits in WiFi equipment, the overall antijamming capability of WiFi equipment is significantly improved.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of WiFi radio frequency structures；
Fig. 2 is structure enlarged diagram at A in Fig. 1；
Fig. 3 is the structural representation of the antenna for being wound with conductive fabric；
Fig. 4 is the structural representation that antenna is connected with connector；
Fig. 5 is the cross-sectional view of antenna；
Fig. 6 is the cross-sectional view of the antenna for being wound with conductive fabric.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Better embodiment of the present utility model is given in accompanying drawing.But, the utility model can come in many different forms
Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these implementation methods is to make to this practicality newly
It is more thorough comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " interior ", " outward ", "left", "right" and
For illustrative purposes only, it is unique implementation method to be not offered as similar statement.
Refering to Fig. 1 and Fig. 2, a kind of WiFi radio frequency structures, including mainboard 100, radio frequency circuit board 200 and WiFi modules
300.Radio frequency circuit board 200 is connected with mainboard 100, and radio frequency circuit board 200 is provided with the first shielding part 210, the first shielding part 210
Can prevent the signal of radio frequency circuit board 200 from revealing.WiFi modules 300 include WiFi chip 320 and antenna 310.WiFi modules
300 are arranged on mainboard 100, and WiFi chip 320 is provided with secondary shielding part (not shown), and secondary shielding part can prevent WiFi
The signal leakage of chip 320.The 3rd shielding part 400 is provided with the periphery of antenna 310, the 3rd shielding part 400 can prevent day
The signal leakage of line 310.
First shielding part 210 and secondary shielding part are radome, and the radome is made up of metal material, radome surface
Leakage signal can be reflected, radome can also absorb to entering its internal leakage signal, by reflection and
Absorb under the collective effect of two ways, radome can effectively prevent radio frequency circuit board 200 and the signal of WiFi chip 320 from letting out
Dew, disturbs so as to the signal for avoiding leakage is constituted to other circuits.
Certainly, radome can also be formed using matrix fiber with electromagnetic shielding fibers braiding, when radio frequency circuit board 200
When arriving at the surface of radome with the leakage signal on WiFi chip 320, leakage signal can be reflected back, it is to avoid leakage letter
Number passed from radome and disturb other circuits.Further, can also be by electric plating method, in radio frequency circuit board 200
With one layer of film of shielding electromagnetic wave of plating on WiFi chip 320, for example, a kind of coating agent is selected, dispersion is added in coating agent
Good electroconductive magnetic material or radio-radar absorber, the film can be obtained after top finish and heat treatment.
Refering to Fig. 1 to Fig. 3, the 3rd shielding part 400 has been the conductive fabric 410 of conductive coating effect, and the conductive fabric 410 is twined
Be wound on the external peripheral surface of antenna 310, i.e., antenna 310 is wrapped in conductive fabric 410, according to actual conditions the need for, lead
Electric cloth 410 can wind with one circuit on antenna 310, it is also possible to winding week more, when the week that conductive fabric 410 winds on antenna 310
When number is more, the thickness increase of the conductive fabric 410 of antenna 310 is wrapped, increased leakage signal between multilayer conductive cloth 410
Reflection and absorption number of times, the screening ability to signal are further improved.Therefore, most of leakage signal is hindered by conductive fabric 410
Only, extremely least a portion of leakage signal is only existed through conductive fabric 410, and the leakage signal is by further by being located at WiFi radio frequency electricals
Outside line structure, grounding shell absorbs or reflects, to realize the shielding of leakage signal.
Conductive fabric 410 by after preposition treatment, and electroplates layer of metal coating and turns into tool with polyester fiber cloth as base material
There is the conductive fibre fabric of metallic character.It is appreciated that conductive fabric 410 can also be substituted with conductive paper, conductive paper is with plain paper
It is base material, and it is prepared from carbon fiber-containing or superfine metal conductive fiber by lamination, for example metallized polyethylene is fine
Dimension conductive paper etc..Conductive paper and conductive fabric can realize the shielding of the leakage signal of antenna 310 as conductive coating.
Refering to Fig. 1, Fig. 2 and Fig. 4, connector 321 is installed on WiFi chip 320, peace is provided with the first shielding part 210
Dress hole 211, mounting hole 211 is oppositely arranged with connector 321, and the one end for being wound with the antenna 310 of conductive fabric 410 is fixed on connection
On device 321, the other end is then connected through mounting hole 211 and with radio frequency circuit board 200, and antenna 310 is by conductive fabric 410 and even
The shielding part 210 of device 321 and first is connect to contact.Conductive fabric 410 possesses electric conductivity, conductive fabric 410 and the screen of connector 321 and first
The contact point of the contact of shield 210 is two earth points of antenna 310, and two earth points can form a ground connection interior circulation, right
In by the reflection of conductive fabric 410 and absorb after and unbated leakage signal, the leakage signal will be by two earth point streams
Onto the shell of whole WiFi radio frequency structures, the shield effectiveness to the leakage signal of antenna 310 is finally reached.
Refering to Fig. 3 and Fig. 4, the corresponding one end of antenna 310 is provided with snap finger 321a on connector 321, is wound with conduction
The antenna 310 of cloth 410 is then connected together with snap finger 321a, so as to realize that antenna 310 passes through connector 321 and WiFi chip
320 connection, snap finger 321a can guarantee that the steadiness that antenna 310 is connected with connector 321, then be further ensured that antenna 310
Earthing Reliability, it is to avoid ground connection is influenceed because of the loose contact being wound between the antenna 310 of conductive fabric 410 and connector 321
Effect, it is ensured that leakage signal is shielded effectively because of ground connection.
Further, centre contact 500 is provided with mounting hole 211, centre contact 500 possesses good electric conductivity
Energy.Centre contact 500 be located at the first shielding part 210 and be wound with conductive fabric 410 antenna 310 between, centre contact 500
The contact area between the shielding part 210 of conductive fabric 410 and first can be increased, leakage signal can be all by the earth point through outer
Shell is grounded.Meanwhile, by the filling effect of centre contact 500, can preferably realize the shielding part of antenna 310 and first
Connection reliability between 210, makes conductive fabric 410 remain good contact with the first shielding part 210, it is ensured that antenna 310
Earthing effect.
Specifically, centre contact 500 is conductive sponge, conductive sponge material is light, and its weight can be ignored, and does not interfere with whole
The gross weight of WiFi radio frequency structures.
Refering to Fig. 5 to Fig. 6, antenna 310 includes center conductor 311, inner insulating layer 312, ground plane 313 and external insulation layer
314.Center conductor 311 is located on the central axis of antenna 310, and inner insulating layer 312 is wrapped on center conductor 311, ground plane
313 are wrapped on inner insulating layer 312, and external insulation layer 314 is wrapped on ground plane 313, i.e. center conductor 311, inner insulating layer
312nd, ground plane 313 and external insulation layer 314 are arranged in order outward by interior.Wherein, ground plane 313 also can be to the leakage of antenna 310
Signal plays a certain degree of shielding action.Specifically, inner insulating layer 312 and external insulation layer 314 are rubber insulation, i.e., it is interior
Insulating barrier 312 and external insulation layer 314 are made of elastomeric material.It is appreciated that, it is also possible to use glass or ceramic material.
The utility model also provides a kind of WiFi equipment, and the WiFi equipment includes shell, and is arranged on upper in shell
State WiFi radio frequency structures.First shielding part 210 is can be to radio frequency circuit board 200 and WiFi chip 320 with secondary shielding part
Good shielding action is played, for the antenna 310 for exposing, conductive fabric 410, the leakage letter of antenna 310 has been wrapped on antenna 310
Number reflected back or absorbed by conductive fabric 410, or being acted on by ground connection makes leakage signal flow to the shell of WiFi equipment, finally makes
The leakage signal of radio frequency circuit board 200, WiFi chip 320 and antenna 310 is thus completely shielded, eliminate in WiFi equipment other
The interference of circuit.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of WiFi radio frequency structures, it is characterised in that including：
Mainboard；
Radio frequency circuit board, is connected and is provided with the first shielding part with the mainboard；And
WiFi modules, including be arranged on the WiFi chip on the mainboard, and respectively with the radio frequency circuit board and the WiFi
The antenna of chip connection, is provided with secondary shielding part on the WiFi chip, be provided with for being grounded on the periphery of the antenna
The 3rd shielding part.
2. WiFi radio frequency structures according to claim 1, it is characterised in that the 3rd shielding part is to wrap in institute
State the conductive coating on antenna.
3. WiFi radio frequency structures according to claim 1, it is characterised in that first shielding part is described for covering
The radome of radio frequency circuit board, the secondary shielding part is the radome for covering the WiFi chip.
4. WiFi radio frequency structures according to claim 1, it is characterised in that connection is provided with the WiFi chip
Device, is provided with mounting hole corresponding with the connector on first shielding part, the antenna is located in the mounting hole
And one end is fixed on the connector, the other end of the antenna is connected with the radio frequency circuit board.
5. WiFi radio frequency structures according to claim 4, it is characterised in that the connector should with the antenna pair
One end be provided with the snap finger of the fixation antenna.
6. WiFi radio frequency structures according to claim 4, it is characterised in that the 3rd shielding part and described first
The centre contact for increasing both contacts area is folded between shielding part.
7. WiFi radio frequency structures according to claim 6, it is characterised in that the centre contact steeps for conductive
Cotton.
8. WiFi radio frequency structures according to claim 1, it is characterised in that the antenna includes center conductor, wraps up in
The inner insulating layer of the hub connector periphery is overlayed on, the ground plane in the inner insulating layer periphery is wrapped, and wrap in institute
State the external insulation layer of ground plane periphery.
9. WiFi radio frequency structures according to claim 8, it is characterised in that the inner insulating layer and the external insulation
Layer is rubber insulation.
10. a kind of WiFi equipment, it is characterised in that including shell, and be arranged in the shell as in claim 1 to 9
WiFi radio frequency structures described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621226312.5U CN206259931U (en) | 2016-11-15 | 2016-11-15 | WiFi radio frequency structures and WiFi equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621226312.5U CN206259931U (en) | 2016-11-15 | 2016-11-15 | WiFi radio frequency structures and WiFi equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206259931U true CN206259931U (en) | 2017-06-16 |
Family
ID=59025428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621226312.5U Expired - Fee Related CN206259931U (en) | 2016-11-15 | 2016-11-15 | WiFi radio frequency structures and WiFi equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206259931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023207136A1 (en) * | 2022-04-25 | 2023-11-02 | 普罗斯通信技术（苏州）有限公司 | Shielding member, assembly of shielding member, and antenna |
-
2016
- 2016-11-15 CN CN201621226312.5U patent/CN206259931U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023207136A1 (en) * | 2022-04-25 | 2023-11-02 | 普罗斯通信技术（苏州）有限公司 | Shielding member, assembly of shielding member, and antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |