CN105283054B - Radio-frequency shielding fence and mobile terminal - Google Patents
Radio-frequency shielding fence and mobile terminal Download PDFInfo
- Publication number
- CN105283054B CN105283054B CN201410256322.2A CN201410256322A CN105283054B CN 105283054 B CN105283054 B CN 105283054B CN 201410256322 A CN201410256322 A CN 201410256322A CN 105283054 B CN105283054 B CN 105283054B
- Authority
- CN
- China
- Prior art keywords
- metal
- frame
- contact element
- radio
- metal bump
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a kind of radio-frequency shielding fences, including circuit board and metal plate, circuit board is equipped with closed grounding frame, metal plate face grounding frame is equipped with closed metal bump frame, metal bump frame is equipped with multiple for contradicting the metal contact element of the first elastic slice of connection grounding frame, and the conductive resilient element for connecting metal contact element and metal bump frame is additionally provided between metal contact element and metal bump frame.The invention also discloses a kind of mobile terminals.Radio-frequency shielding fence provided by the present invention between metal contact element and metal bump frame by being equipped with conductive resilient element, since conductive resilient element has good elasticity, so that not having to that reliable conductive connection can be achieved by spot welding mode between metal contact element and metal bump frame, and then ensure to be not in radio frequency leakage between metal contact element and metal bump frame.
Description
Technical field
The present invention relates to radio-frequency shielding fences and mobile terminal.
Background technique
In mobile terminal system, the consistency of RF index is very crucial, and the product that otherwise volume production comes out can face logical
Believe a series of problems, such as performance difference is big, market sampling observation RF index is unqualified.Traditionally in order to ensure radiofrequency signal is not revealed
Generally use metallic shield/frame and carry out radio shielding, but present mobile terminal system dominant frequency it is higher (usually using 1GHz with
On four cores or eight core processors), and the layout area of circuit board is very narrow, and mobile terminal system is caused to have serious heat dissipation
Bad problem, so remove metallic shield/frame, using by the heat source component of circuit board towards supporting entire mobile terminal
Magnesium-aluminum alloy plate or steel plate construct shielding cavity directly to improve the undesirable scheme of heat dissipation and become universal situation.But this scheme
Major defect be that magnesium-aluminum alloy plate or steel plate and circuit board can all generate deformation in process, in addition, in magnesium alloy
Since the effect by mechanical external force can further shape during being fixed between plate or steel plate and circuit board by screw assembly
Become, i.e., after mounting, the large space flatness between magnesium-aluminum alloy plate or steel plate and circuit board is difficult to control, to cause multiple
Radio frequency leak point poses a serious threat the RF consistency of entire mobile terminal system.
There are two types of current solutions, and one is add conductive silver on the shielding cavity wall top of magnesium-aluminum alloy plate or steel plate
Slurry, this scheme since conductive silver paste elasticity is weak, correct entire shielding cavity large space planarization need it is repeated multiple times to structure
Part mold is modified, and debugging cycle is long；Another kind is to be equipped with sawtooth on the shielding cavity wall top of magnesium-aluminum alloy plate or steel plate
The metal contact element of shape elastic slice, it is adaptive bad to evade large space flatness by the elasticity of the sawtooth elastic slice of metal contact element
Bring contacts bad phenomenon, effectively to solve the problems, such as that radio frequency is revealed；The measure that can be taken for steel plate is, with spot welding side
Formula is securely welded on metal contact element the shielding cavity wall top of steel plate, guarantees indirectly reliable of metal contact element and steel plate
Property；But magnesium-aluminum alloy plate better for heat dissipation performance, since the chemical characteristic of magnesium is active, spot welding mode will cause magnesium alloy
Explosion occurs for the welding position of plate, and magnesium alloy is collapsed, i.e., cannot be by spot welding side between metal contact element and magnesium-aluminum alloy plate
Formula realizes reliable conductive connection, therefore provides a kind of without the shielding cavity wall top of magnesium-aluminum alloy plate can be realized by spot welding and set
There is the device of the reliable conductive connection between the metal contact element of zigzag elastic slice actually necessary.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
It is a primary object of the present invention to realize that the reliable conductive between metal contact element and metal plate connects, it is ensured that circuit
Radio shielding chamber between plate and metal plate is without radio frequency leakage phenomenon.
To achieve the above object, the present invention provides a kind of radio-frequency shielding fence, and the radio-frequency shielding fence includes circuit board
And metal plate, closed grounding frame, grounding frame described in the metal plate face are equipped with around electronic component on the circuit board
Equipped with closed metal bump frame, the metal bump frame is equipped with metal contact element, and the metal contact element is equipped with multiple use
In contradicting the first elastic slice for connecting the grounding frame, it is additionally provided between the metal contact element and the metal bump frame and directly connects
Touch the conductive resilient element of the metal contact element Yu the metal bump frame.
Preferably, the metal contact element includes substrate and two Extendible flakes extended to form from the substrate, the base
Around U-lag is formed, the metal bump frame is contained in the U-lag of the metal contact element for piece and described two Extendible flakes,
The conductive resilient element is set between the slot bottom of the U-lag and the top of the metal bump frame, by contradicting the U-lag
Slot bottom connect the metal contact element and the metal bump frame with the top for contradicting the metal bump frame.
Preferably, the conductive resilient element is filled in the U-lag of the metal contact element, and the conductive resilient element is to lead
Electric foam item, conductive rubber strip or the elastic conduction article tape made of conductive tape coated elastomer.
Preferably, the conductive resilient element is sheet metal, and the sheet metal is equipped with multiple for contradicting the metal bump
Second elastic slice at the top of frame, the slot bottom of the sheet metal and the U-lag of the metal contact element are welded and fixed.
Preferably, the conductive resilient element is the multiple gold for being vertically installed in the slot bottom of the U-lag of the metal contact element
Belong to spring, the multiple metal spring is alternatively arranged setting, and the multiple metal spring elasticity contacts at the slot bottom of the U-lag
Between the top of the metal bump frame.
Preferably, the metal plate is equipped at least three studs on the periphery of the metal bump frame, and in the metal
The central location of raised frame is equipped at least one stud, and each stud of circuit board face offers through-hole, and screw passes through institute
The through-hole screw-in stud is stated to be connected and fixed the circuit board and the metal plate.
Preferably, the height of first elastic slice is 0.5mm~1.0mm, between any two adjacent first elastic slices
Away from for 1.8mm~2.4mm.
Preferably, the metal contact element is equipped in the corner of itself for contradicting the salient point for connecting the grounding frame,
The height of the salient point is lower than the height of first elastic slice.
Preferably, the metal plate and the metal bump frame are that magnesium alloy is made.
In addition, to achieve the above object, the present invention also provides a kind of mobile terminal, the mobile terminal includes the radio frequency
Screening arrangement.
Radio-frequency shielding fence provided by the present invention between metal contact element and metal bump frame by being equipped with conductive bullet
Property part, due to conductive resilient element have good elasticity, on the one hand, conductive resilient element directly contradicts metal contact element and metal is convex
Frame is played, so that not having to that reliable conduction can be achieved by spot welding mode even between metal contact element and metal bump frame
It connects, and then ensures to be not in radio frequency leakage between metal contact element and metal bump frame；On the other hand, conductive resilient element is good
Good elasticity connects grounding frame it is also possible that the first elastic slice preferably adaptively contradicts, and further evades because of large space flatness not
The bad phenomenon of contact between the top and grounding frame of good bring metal bump frame, effectively solve metal bump frame top with
The problem of radio frequency between grounding frame is revealed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of radio-frequency shielding fence first embodiment of the present invention；
Fig. 2 is the perspective view of the explosion of the partial structurtes of radio-frequency shielding fence first embodiment of the present invention；
Fig. 3 is the perspective view of the explosion of the partial structurtes of radio-frequency shielding fence second embodiment of the present invention；
Fig. 4 is the perspective view of the explosion of the partial structurtes of radio-frequency shielding fence 3rd embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of radio-frequency shielding fence.
Referring to figs. 1 to Fig. 2, in one embodiment, which includes circuit board 10 and metal plate 20, circuit board
It is equipped with closed grounding frame 11 around electronic component on 10,20 face grounding frame 11 of metal plate is equipped with closed metal bump frame
21, metal bump frame 21 is equipped with metal contact element 22, and metal contact element 22 is equipped with multiple for contradicting connection grounding frame 11
It is convex to be additionally provided with directly contact metal contact element 22 and metal for first elastic slice 221 between metal contact element 22 and metal bump frame 21
Play the conductive resilient element 23 of frame 21.
In the present embodiment, closed metal bump frame 21 is arranged as radio shielding chamber in 20 face grounding frame 11 of metal plate
Cavity wall is provided with multiple for contradicting connection grounding frame on the top (i.e. the cavity wall top of radio shielding chamber) of metal bump frame 21
The metal contact element 22 of 11 the first elastic slice 221, since the first elastic slice 221 has good elasticity adaptive, so as to advise
The bad phenomenon of contact between the top and grounding frame 11 because of the bad bring metal bump frame 21 of large space flatness is kept away, effectively
Solve the problems, such as the radio frequency leakage between the top of metal bump frame 21 and grounding frame 11；In metal contact element 22 and metal bump
Conductive resilient element 23 is equipped between frame 21, since conductive resilient element 23 has good elasticity, on the one hand, conductive resilient element 23 is straight
It connects and contradicts metal contact element 22 and metal bump frame 21, so that not having to pass through electric welding between metal contact 22 and metal bump frame 21
Mode can be achieved reliable conductive connection, so ensure be not between metal contact element 22 and metal bump frame 21
Radio frequency leakage, on the other hand, Gu the favorable elasticity of conductive resilient element 23 is also possible that the first elastic slice 221 preferably adaptively supports
Touching connection grounding frame 11, further evades the top because of the bad bring metal bump frame 21 of large space flatness and grounding frame 11
Between the bad phenomenon of contact, it is ensured that the good RF coupling performance of radio-frequency shielding fence and meet TRP (Total
Radiated Power, total radiant power), TIS (Total Isotropic Sensitivity, total omnidirectional sensitivity) etc. refers to
Target requirement.
Radio-frequency shielding fence provided by the present embodiment between metal contact element 22 and metal bump frame 21 by being equipped with
Conductive resilient element 23, since conductive resilient element 23 has good elasticity, on the one hand, conductive resilient element 23 directly contradicts metal and connects
Contact element 22 and metal bump frame 21, so that not having to obtain by spot welding mode between metal contact element 22 and metal bump frame 21
To realize reliable conductive connection, and then ensure to be not in radio frequency leakage between metal contact element 22 and metal bump frame 21；
On the other hand, the favorable elasticity of conductive resilient element 23 is also possible that the first elastic slice 221 is preferably adaptive and contradicts connection ground connection
Frame 11 further evades the contact between the top and grounding frame 11 because of the bad bring metal bump frame 21 of large space flatness
Bad phenomenon effectively solves the problems, such as the radio frequency leakage between the top of metal bump frame 21 and grounding frame 11.
In the present embodiment, metal contact element 22 includes substrate 222 and two Extendible flakes 223 extended to form from substrate 222,
Around U-lag is formed, metal bump frame 21 is contained in the U-lag of metal contact element 22 for substrate 222 and two Extendible flakes 223,
Conductive resilient element 23 is set between the slot bottom of U-lag and the top of metal bump frame 21, by the slot bottom and the conflict that contradict U-lag
The top connection metal contact element 22 and metal bump frame 21 of metal bump frame 21.The present embodiment is by receiving metal bump frame 21
It is dissolved in the connection realized in the U-lag of metal contact element 22 between the two, to ensure to construct in fixed metal plate 20 and circuit board 10
Shifting phenomena will not be generated when radio shielding chamber between metal contact element 22 and metal bump frame 21 or is mutually disengaged phenomenon.It needs
It is emphasized that in other embodiments of the invention, can also be connected by a snap or be spirally connected and realize metal bump frame 21
With the connection between metal contact element 22.
In the present embodiment, conductive resilient element 23 can be conducting foam item, which is filled in metal contact
Between the slot bottom of the U-lag of part 22 and the top of metal bump frame 21.Conducting foam is uniformly mixed on the basis of common foam
Composition brass, nickel powder are made, have it is good elasticity and electric conductivity, and can simply by cutting conducting foam be processed into
Conducting foam item, is filled in the U-shaped of metal contact element 22 by the conducting foam item of the top form fitting of metal bump frame 21
When between the slot bottom of slot and the top of metal bump frame 21, in the case where being squeezed by appropriate external force, metal may make to contact
Reliable be conductively connected is realized between the slot bottom of the U-lag of part 22 and the top of metal bump frame 21.
In other embodiments of the invention, conductive resilient element 23 can also be conductive rubber strip, which fills out
It fills between the slot bottom of the U-lag of metal contact element 22 and the top of metal bump frame 21.Conductive rubber is by glass silvering, aluminium
The conductive particles such as silver-plated, silver-colored are evenly distributed in silicon rubber, contact conductive particle by pressure, can reach good conduction
Performance, and conductive rubber can be processed into and mutually fitted with the top of metal bump frame 21 simply by compression molding or cutting
Conductive rubber strip is filled in the slot bottom and metal bump frame 21 of the U-lag of metal contact element 22 by the conductive rubber strip with shape
Top between when, by appropriate external force squeeze in the case where, may make the slot bottom and metal of the U-lag of metal contact element 22
Reliable be conductively connected is realized between the top of raised frame 21.
In other embodiments of the invention, conductive resilient element 23 can also be for made of conductive tape coated elastomer
Elastic conduction article tape, the elastic conduction article tape are filled in the slot bottom and metal bump frame 21 of the U-lag of metal contact element 22
Top between.Conductive tape is the metal foil or conductive fabric of a kind of highly conductive gum of band, conductive gum and conductive base group
At complete electric conductor, the electric closure of electrical bonding and gap can be completed with bonding way with any metal covering；But due to conduction
Adhesive tape is relatively thin, lacks flexibility, so needing for conductive tape coated elastomer to be made elastic conduction adhesive tape to enhance its elasticity, bullet
Property body can be foam or rubber etc.；When production, foam or rubber are first cut into the top phase with metal bump frame 21
The shape of adaptation, then foam after dicing or rubber outer surface coated with conductive adhesive tape are made into elastic conduction article tape,
When elastic conduction article tape being filled between the slot bottom of the U-lag of metal contact element 22 and the top of metal bump frame 21,
In the case where being squeezed by appropriate external force, the slot bottom of the U-lag of metal contact element 22 and the top of metal bump frame 21 may make
Between realize reliable be conductively connected.
Referring to Fig. 3, in other embodiments of the invention, conductive resilient element 23 is sheet metal 231, and sheet metal 231 is equipped with
The U-lag of second elastic slice 2311 at multiple tops for being used to contradict metal bump frame 21, sheet metal 231 and metal contact element 22
Slot bottom is welded and fixed.In the present embodiment, it is welded with equipped with multiple in the slot bottom of the U-lag of metal contact element 22 for contradicting
The sheet metal 231 of second elastic slice 2311 at the top of metal bump frame 21, since the second elastic slice 2311 has good elasticity certainly
It adapts to, in the case where being squeezed by appropriate external force, may make the slot bottom and metal bump frame 21 of the U-lag of metal contact element 22
Top between realize reliable be conductively connected.Preferably, the of the second elastic slice 2311 of sheet metal 231 and metal contact element 22
One elastic slice 221 shifts to install, excessive to avoid same point elastic force, it is ensured that the elasticity of the first elastic slice 221 and the second elastic slice 2311
Adaptive ability.
Referring to fig. 4, in other embodiments of the invention, conductive resilient element 23 is to be vertically installed in metal contact element 22
Multiple metal springs 232 of the slot bottom of U-lag, multiple metal springs 232 are alternatively arranged setting, multiple 232 elasticity of metal spring
It contacts between the slot bottom of U-lag and the top of metal bump frame 21.In the present embodiment, in the U-lag of metal contact element 22
Slot bottom is fixed with the metal spring 232 for being alternatively arranged setting, and one end of metal spring 232 passes through the modes such as spot welding or salient point is stuck
It is reliably connected with the slot bottom of the U-lag of metal contact element 22, the other end of metal spring 232 contradicts the top of metal bump frame 21
Portion, due to metal spring 232 have good conductive property it is adaptive with elasticity, by appropriate external force squeeze in the case where,
It may make and realize reliable be conductively connected between the slot bottom of the U-lag of metal contact element 22 and the top of metal bump frame 21.It needs
It is emphasized that interval between multiple metal springs 232 will appropriateness, it is excessive that interval too small will lead to elastic force, influences its elasticity
Adaptive ability；Interval between multiple metal springs 232 can not be excessive, is spaced excessive it is possible that radiofrequency signal was revealed
Phenomenon.
Referring to Fig. 1, metal plate 20 is equipped at least three studs 24 on the periphery of metal bump frame 21, and in metal bump frame
21 central location is equipped at least one stud 24, and each stud 24 of 10 face of circuit board offers through-hole 12, and screw passes through logical
Hole 12 screws in stud 24 and is connected and fixed circuit board 10 and metal plate 20.In the present embodiment, set on the periphery of metal bump frame 21
It is equipped with spiro connection structure, and also is provided with spiro connection structure in the central location of metal bump frame 21, so that in circuit board 10 and gold
When being spirally connected fixed between category plate 20, it will receive between multiple first elastic slices 221 and grounding frame 11 of metal contact element 22 balanced
Pressure so that multiple first elastic slices 221 can good conflict connect grounding frame 11, avoid the occurrence of fractional radio frequency's leakage
The phenomenon that；The spiro connection structure for being located at the central location of metal bump frame 21 can be effectively reduced to be beaten on the periphery of metal bump frame 21
Center portion is caused the possibility of partial aperture occur because of circuit board 10 or the deformation due to of metal contact element 22 after complete screw, realization has
Imitate radio frequency signal shield.
It is emphasized that be 4 in the spiro connection structure that the periphery of metal bump frame 21 is arranged in the present embodiment, this
In do not really want to be limited to metal bump frame 21 periphery setting spiro connection structure number, be arranged on the periphery of metal bump frame 21
Spiro connection structure number can according to the actual needs of the size of metal bump frame 21 increase or reduce；Preferably,
Area in metal bump frame 21 is smaller and circuit board 10 on device layout closely in the case where, metal bump frame 21
Central location can be not provided with spiro connection structure；In addition, stud 24 can also be molded directly on metal bump frame 21.
Since the first elastic slice 221 of metal contact element 22 is to generate elastic force, therefore the first elastic slice 221 by metal machinery deformation
Rear need enough distances to ensure its elastic force, otherwise, the spacing between two the first adjacent elastic slices 221 is too short, the
One elastic slice 221 be arranged it is overstocked, will cause the first elastic slice 221 be spirally connected between circuit board 10 and metal plate 20 it is fixed after follow the string
Power, so that the shielding of radio-frequency shielding fence goes wrong；In addition, if the spacing between two the first adjacent elastic slices 221 is excessive,
Then radio frequency leakage phenomenon will be generated between two the first adjacent elastic slices 221；In the present embodiment, the width of metal contact element 22 is
0.8mm~1mm, the first elastic slice 221 are taper, and the cone bottom width degree of the first elastic slice 221 is 0.5~0.7mm, the first elastic slice 221
Height is 0.5~1.0mm, and the lateral length (non-chamfer length) of the first elastic slice 221 is 1.30mm~1.40mm, and any two is adjacent
The first elastic slice 221 spacing be 1.8~2.4mm；In addition, for the elasticity for ensuring the first elastic slice, it is preferable that the first elastic slice 221
It is made of beryllium copper material.
In the present embodiment, due to being difficult to that the first elastic slice 221 is arranged in the corner of metal contact element 22, therefore contacted in metal
Part 22 is equipped with the salient point 224 for contradicting connection grounding frame 11 in the corner of itself, to avoid metal contact element 22 at itself
Corner because lack first elastic slice 221 due to there is radio frequency leakage phenomenon, and the height of salient point 224 is lower than the first elastic slice 221
Highly, to ensure that it is corresponding that the elastic adaptive ability of the first elastic slice 221 plays the role of.
Further, metal plate 20 is made with metal bump frame 21 of magnesium alloy.In the present embodiment, due to magnesium alloy
Thermal conductivity it is bigger than the thermal conductivity of steel, magnesium alloy has a better heat-sinking capability than steel, therefore the present embodiment uses magnesium alloy system
At metal plate 20 and circuit board 10 construct radio shielding chamber, to enhance the heat dissipation effect of the electronic component on circuit board 10.
The present invention also provides a kind of mobile terminals.
In one embodiment, which includes the radio-frequency shielding fence in previous embodiment.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of radio-frequency shielding fence, which is characterized in that the radio-frequency shielding fence includes circuit board and metal plate, the circuit
It is equipped with closed grounding frame around electronic component on plate, grounding frame described in the metal plate face is equipped with closed metal bump
Frame, the metal bump frame are equipped with metal contact element, and the metal contact element is equipped with multiple for contradicting the connection ground connection
First elastic slice of frame, be additionally provided between the metal contact element and the metal bump frame directly contact the metal contact element with
The conductive resilient element of the metal bump frame.
2. radio-frequency shielding fence as described in claim 1, which is characterized in that the metal contact element include substrate and two from
The Extendible flake that the substrate extends to form, the substrate and described two Extendible flakes surround and form U-lag, the metal bump frame
It is contained in the U-lag of the metal contact element, slot bottom and the metal bump of the conductive resilient element set on the U-lag
Between the top of frame, the slot bottom by contradicting the U-lag connects the metal with the top for contradicting the metal bump frame and connects
Contact element and the metal bump frame.
3. radio-frequency shielding fence as claimed in claim 2, which is characterized in that the conductive resilient element is filled in the metal and connects
In the U-lag of contact element, the conductive resilient element is made by conducting foam item, conductive rubber strip or by conductive tape coated elastomer
Elastic conduction article tape.
4. radio-frequency shielding fence as claimed in claim 2, which is characterized in that the conductive resilient element is sheet metal, the gold
Belong to the second elastic slice that piece is equipped with multiple tops for being used to contradict the metal bump frame, the sheet metal and the metal contact element
The slot bottom of U-lag be welded and fixed.
5. radio-frequency shielding fence as claimed in claim 2, which is characterized in that the conductive resilient element is described to be vertically installed in
Multiple metal springs of the slot bottom of the U-lag of metal contact element, the multiple metal spring are alternatively arranged setting, the multiple gold
Belong to spring to contact between the slot bottom of the U-lag and the top of the metal bump frame.
6. such as radio-frequency shielding fence described in any one of claim 1 to 5, which is characterized in that the metal plate is in the metal
The periphery of raised frame is equipped at least three studs, and is equipped at least one stud, institute in the central location of the metal bump frame
State each stud of circuit board face and offer through-hole, screw pass through the through-hole screw in the stud by the circuit board with it is described
Metal plate is connected and fixed.
7. radio-frequency shielding fence as claimed in claim 6, which is characterized in that the height of first elastic slice be 0.5mm~
1.0mm, the spacing of any two adjacent first elastic slices are 1.8mm~2.4mm.
8. radio-frequency shielding fence as claimed in claim 7, which is characterized in that the metal contact element is set in the corner of itself
Have for contradicting the salient point for connecting the grounding frame, the height of the salient point is lower than the height of first elastic slice.
9. radio-frequency shielding fence as claimed in claim 7 or 8, which is characterized in that the metal plate and the metal bump frame
It is that magnesium alloy is made.
10. a kind of mobile terminal, which is characterized in that the mobile terminal includes radio frequency as described in any one of claim 1 to 9
Screening arrangement.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410256322.2A CN105283054B (en) | 2014-06-10 | 2014-06-10 | Radio-frequency shielding fence and mobile terminal |
| PCT/CN2014/084664 WO2015188443A1 (en) | 2014-06-10 | 2014-08-18 | Radio-frequency shielding device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410256322.2A CN105283054B (en) | 2014-06-10 | 2014-06-10 | Radio-frequency shielding fence and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105283054A CN105283054A (en) | 2016-01-27 |
| CN105283054B true CN105283054B (en) | 2019-05-31 |
Family
ID=54832770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410256322.2A Active CN105283054B (en) | 2014-06-10 | 2014-06-10 | Radio-frequency shielding fence and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105283054B (en) |
| WO (1) | WO2015188443A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114122748A (en) * | 2020-08-31 | 2022-03-01 | 华为技术有限公司 | Electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6324074B1 (en) * | 1997-07-18 | 2001-11-27 | Nokia Mobile Phones Ltd. | Electronic device having a shield member and a shield gasket |
| CN1409942A (en) * | 1999-10-12 | 2003-04-09 | 电子设备屏蔽公司 | EMI shielding apparatus |
| CN101355867A (en) * | 2007-07-25 | 2009-01-28 | 莱尔德电子材料（上海）有限公司 | Shielding device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2710199Y (en) * | 2004-06-07 | 2005-07-13 | 陈惟诚 | Grounded resilient chip |
| CN101083897B (en) * | 2006-05-29 | 2011-02-23 | 华硕电脑股份有限公司 | Electromagnetic shielding device and method for making the same |
| US7889515B2 (en) * | 2008-02-15 | 2011-02-15 | Laird Technologies, Inc. | EMI shielding assemblies and related methods of retaining components thereof together |
| CN101568251B (en) * | 2008-04-24 | 2012-06-13 | 深圳富泰宏精密工业有限公司 | Shielding structure |
| CN201393360Y (en) * | 2009-01-05 | 2010-01-27 | 北京中石伟业技术有限公司 | Reed pad for magnetic shielding |
| CN102802386B (en) * | 2011-05-25 | 2016-04-20 | 莱尔德电子材料(深圳)有限公司 | Electromagnetic interference shield assembly |
| CN202551605U (en) * | 2012-02-02 | 2012-11-21 | 东莞宇龙通信科技有限公司 | Shielding cover structure and handheld communication device with same |
-
2014
- 2014-06-10 CN CN201410256322.2A patent/CN105283054B/en active Active
- 2014-08-18 WO PCT/CN2014/084664 patent/WO2015188443A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6324074B1 (en) * | 1997-07-18 | 2001-11-27 | Nokia Mobile Phones Ltd. | Electronic device having a shield member and a shield gasket |
| CN1409942A (en) * | 1999-10-12 | 2003-04-09 | 电子设备屏蔽公司 | EMI shielding apparatus |
| CN101355867A (en) * | 2007-07-25 | 2009-01-28 | 莱尔德电子材料（上海）有限公司 | Shielding device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015188443A1 (en) | 2015-12-17 |
| CN105283054A (en) | 2016-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI518984B (en) | Coaxial cable designed antenna for electronic devices | |
| US9343802B2 (en) | Communication device and antenna thereof | |
| CN103904423B (en) | A kind of low section broadband medium back of the body chamber four radiator antenna unit | |
| US20130113088A1 (en) | Chip packaging structure, chip packaging method, and electronic device | |
| WO2017197795A1 (en) | Terminal housing and terminal | |
| US9674321B2 (en) | Mobile terminal antenna module housed within metal rear cover serving as a radiator | |
| CN102324617B (en) | Two-end-grounded TM (Transverse Magnetic) mode medium resonator | |
| JP6101339B2 (en) | Mobile terminal | |
| CN104486710A (en) | Loudspeaker and mobile terminal comprising same | |
| CN105283054B (en) | Radio-frequency shielding fence and mobile terminal | |
| CN206024101U (en) | Loudspeaker module and mobile terminal | |
| JP2015043572A (en) | Antenna and radio communication device including the same | |
| US9211612B2 (en) | Electrical connector | |
| CN106299703B (en) | Wireless communication device and antenna module thereof | |
| CN107820384A (en) | A kind of isolation structure of wave filter and wave filter | |
| CN106486758B (en) | Antenna, mobile terminal rear cover and mobile terminal | |
| CN103595435A (en) | Circuit board with antenna and USB interface and wireless transmitting and receiving device | |
| TW201731363A (en) | Mobile communication device and rear cover thereof | |
| CN205406725U (en) | Mobile terminal and antenna grounding structure thereof | |
| CN209119336U (en) | A kind of dual-band and dual-feed miniature antenna | |
| US20170194695A1 (en) | Antenna device and mobile terminal | |
| TWM472983U (en) | High frequency signal connector having structure for preventing external electromagnetic interference | |
| US20170117609A1 (en) | Metal base high efficiency antenna | |
| CN210984504U (en) | Improved electromagnetic shielding structure of transformer | |
| CN106887702B (en) | Mobile terminal and antenna metal socket assembly thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |