CN106060193A - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN106060193A CN106060193A CN201610324551.2A CN201610324551A CN106060193A CN 106060193 A CN106060193 A CN 106060193A CN 201610324551 A CN201610324551 A CN 201610324551A CN 106060193 A CN106060193 A CN 106060193A
- Authority
- CN
- China
- Prior art keywords
- metallic region
- hole
- mobile terminal
- back cover
- metal back
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
Abstract
The embodiments of the invention provide a mobile terminal which includes a metal rear cover, a mainboard, and a loudspeaker support. The mobile terminal is characterized in that the loudspeaker support has a tune trope which is externally provided with a through hole. The side of the loudspeaker facing towards the metal rear cover is provided with a first metal area, and the side of the loudspeaker support facing away from the metal rear cover is provided with a second metal area. The through hole enables communication between the first metal area and the second metal area. The metal rear cover and the first metal area are communicated. The mainboard is provided with a spring thereon. The spring abuts against the second metal area. According to the embodiments of the invention, the mobile terminal is intended for addressing the problem of voice leaking in the periphery of the through hole of the tune trope after sealing caused by the fact that the grounding of the metal rear cover requires penetration of the through hole of the tune trope.
Description
Technical field
The present invention relates to mobile terminal structure design field, particularly relate to a kind of mobile terminal.
Background technology
Along with popularizing of integration smithcraft, increasing alloy material is used in mobile terminal fore shell and bonnet
On.But the distinctive magnetic of metal alloy compositions, the performance of the great interfering mobile terminal radio-frequency antenna of meeting, affect mobile terminal
Speech quality.
In prior art, by the way of using metal back cover ground connection, solve electromagnetic interference problem, specifically, pass through
On mainboard, specific bit installs shell fragment, and in loudspeaker support, perforate makes shell fragment be abutted in metal back cover by this perforate.
Because the position of shell fragment is secured the most in advance on mainboard, so the position of shell fragment correspondence perforate need to be at the sound of loudspeaker support
Cavity segment.In order to ensure the sealing effectiveness of speaker cavity, in addition it is also necessary to seal around perforate.But this sealing means
On the one hand the poorly sealed problem that rigging error causes can be there is, on the other hand because the stress fatigue of encapsulant self is existing
As, encapsulant can elapse over time and relaxation occurs, and then also influences whether the sealing effectiveness in sound chamber so that sound chamber
The problem that leakage sound occurs.
Summary of the invention
Embodiments of the invention provide a kind of mobile terminal, need guiding through the perforate in sound chamber for solving metal back cover ground connection
The problem easily occurring after causing sealing around the perforate of sound chamber leaking sound.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
The embodiment of the present invention provides a kind of mobile terminal, including metal back cover, mainboard, loudspeaker support, it is characterised in that described
Loudspeaker support sound chamber is externally provided with through hole, and described loudspeaker support is provided with the first metal area towards the one side of described metal back cover
Territory, the one side of the most described metal back cover of described loudspeaker support is provided with the second metallic region, and described through hole makes described first
Metallic region and described second metallic region conducting, described metal back cover and described first metallic region conducting, on described mainboard
Being provided with shell fragment, described shell fragment is against in described second metallic region.
The embodiment of the present invention provide mobile terminal, by be respectively equipped with on loudspeaker support two sides the first metallic region and
Second metallic region, metal back cover and the conducting of the first metallic region, be externally provided with through hole in loudspeaker support sound chamber, and through hole makes the
One metallic region and the conducting of the second metallic region, on mainboard, shell fragment makes mainboard and the conducting of the second metallic region, it is achieved thereby that
Metal back cover and the conducting of mainboard, i.e. achieve metal back cover ground connection.Simultaneously as through hole is arranged on loudspeaker support sound chamber
Outward, described sound chamber will not be impacted, also would not need to seal as prior art, and if sealing and do not take pains
The problem that leakage sound occurs.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The assembling structural representation of the mobile terminal that Fig. 1 is provided by the embodiment of the present invention；
Another structural representation of the mobile terminal that Fig. 2 provides for the embodiment of the present invention；
The structural representation of the one side of the loudspeaker support of the mobile terminal that Fig. 3 provides for embodiment of the present invention metal back cover dorsad
Figure；
The loudspeaker support of the mobile terminal that Fig. 4 provides for the embodiment of the present invention is towards the structural representation of the one side of metal back cover
Figure；
The elastic piece structure schematic diagram of the mobile terminal that Fig. 5 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the present invention provides a kind of mobile terminal, as Figure 1-Figure 5, including metal back cover 01, mainboard 02, raises one's voice
Device support 03, loudspeaker support 03 sound chamber is externally provided with through hole 31, and loudspeaker support 03 is provided with towards the one side of metal back cover 01
One metallic region 32, the one side of loudspeaker support 03 metal back cover 01 dorsad is provided with the second metallic region 33, and through hole 31 makes
One metallic region 32 and the second metallic region 33 turn on, and metal back cover 01 and the first metallic region 32 turn on, and mainboard 02 is provided with
Shell fragment 21, shell fragment 21 is against in the second metallic region 33.
The embodiment of the present invention provide mobile terminal, by be respectively equipped with on loudspeaker support two sides the first metallic region and
Second metallic region, metal back cover and the conducting of the first metallic region, be externally provided with through hole in loudspeaker support sound chamber, and through hole makes the
One metallic region and the conducting of the second metallic region, on mainboard, shell fragment makes mainboard and the conducting of the second metallic region, it is achieved thereby that
Metal back cover and the conducting of mainboard, i.e. achieve metal back cover ground connection.Simultaneously as through hole is arranged on loudspeaker support sound chamber
Outward, described sound chamber will not be impacted, also would not need to seal as prior art, and if sealing and do not take pains
The problem that leakage sound occurs.
It should be understood that the sound chamber in the embodiment of the present invention refers to the cavity being arranged on loudspeaker support, carry out
Fastening with mainboard after sealing again, be correspondingly formed the rear sound chamber of speaker, act the effect of amplifying, speaker is divided into rear sound chamber and front sound
Chamber, rear sound chamber is infinitely great, and it also requires seal, such speaker tonequality out just can be the best.And raise one's voice
The part of the rear sound chamber correspondence loudspeaker support of device is typically required in loudspeaker support by the way of playing muscle around forming,
Can be sealed again by foam, and make its area relatively big as far as possible, when such loudspeaker support is fixed on mainboard, can
To form a sealing cavity.
Further, through hole 31 edge is provided with the 3rd metallic region (not shown), the first metallic region 32 and second
Metallic region 33 is turned on by the 3rd metallic region.This mode realizes simply, and cost is relatively low.
It should be understood that edge herein refers to be formed the peripheral regions of through hole.
Further, as it is shown on figure 3, the sound intracavity of the one side of loudspeaker support 03 metal back cover 01 dorsad is provided with boss
34, boss 34 is connected by the second metallic region 33 with through hole 31, and boss 34 is corresponding with shell fragment 21 position, and shell fragment 21 is against boss
On 34.Because the position of the corresponding loudspeaker support 03 of the shell fragment 21 on mainboard 02 is just in sound cavity region, so at sound intracavity
The position of corresponding shell fragment 21 arranges boss 34, by arranging boss 34, arranges certain height, and shell fragment 21 is against boss 34
On so that shell fragment can preferably turn on the second metallic region 33.Further, boss 34 and through hole 31 are by the second metallic region
33 connections, and through hole 31 and the first metallic region 32 turn on, so, boss 34 is turned on mainboard 02 by shell fragment 21, and first
Metallic region 32 and the second metallic region 33 turn on, and the first metallic region 32 just turns on mainboard 02.
It should be understood that the size of boss and height can be arranged according to the situation of shell fragment, if shrapnel contact is relatively
Height, the height of boss can be shorter, if shrapnel contact is relatively low, it is higher that the height of boss can be arranged.If shell fragment
Contact area is relatively big, and it is larger that the area of boss can be arranged, if shrapnel contact area is less, the area of boss can set
That puts is smaller.
It should be understood that the position of boss extends also to outside sound chamber, the embodiment of the present invention is not limited to sound chamber
In, as long as the effect allowing shell fragment abut can be played.
Further, also include that conduction element 04, metal back cover 01 and the first metallic region 32 are turned on by this conduction element 04.
So, owing to the first metallic region 32 and mainboard 02 turn on, metal back cover 01 just turns on mainboard 02.
Further, conduction element 04 is conducting foam.This mode realizes fairly simple, and turn-on effect is relatively good, and
And cost is relatively low.
It should be understood that the conduction element in the embodiment of the present invention is not limited to conducting foam, it would however also be possible to employ other
Mode, as shell fragment abut, as long as can play allow metal back cover and the first metallic region conducting effect.
Further, through hole 31 is turbination hole, is more than the back of the body towards the diameter of the through hole 31 of the one side of metal back cover 01
Diameter to the through hole 31 of the one side of metal back cover 01.So, what the through hole of the one side being provided with sound chamber was arranged just can be smaller,
Taking up room will be smaller.Further, the through hole of this shape is prone to be realized by technique.
It should be understood that the through hole in the embodiment of the present invention is not limited to turbination hole, it would however also be possible to employ other
The through hole of shape, as long as the first metallic region and the effect of the second metallic region conducting of allowing can be played.Further, the present invention
Embodiment is also not limited to the diameter through hole more than the one side of metal back cover dorsad of the through hole of the one side towards metal back cover
Diameter, it would however also be possible to employ the through hole of same diameter or the through hole of other versions.
Further, a diameter of 0.4mm of the through hole 31 of the one side of metal back cover 01 dorsad.
Further, the first metallic region 32 and the second metallic region 33 are realized by LDS technique.
LDS laser direct structuring technique is the radium-shine processing of a kind of specialty, injection and the 3D-MID generation technique of electroplating process,
Its principle is that common plastic cement element/circuit board gives propping up of electric interconnection function, support components and parts function and plastic casing
The functions such as support, protection, and be combined with conductive pattern by mechanical entities and the shielding, the function such as antenna that produce are incorporated into one,
Form so-called 3D-MID.
Further, the area of the first metallic region 32 is at least above the sectional area of conducting foam.
Wherein, the sectional area of conducting foam is that conducting foam is laid in the first metallic region, with the first metallic region shape
The contact area become.So, conducting foam can be fully contacted with the first metallic region so that metal back cover and the first metal area
Territory realizes good conducting.
Mobile terminal in the embodiment of the present invention is specifically as follows mobile phone.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (9)
1. a mobile terminal, including metal back cover, mainboard, loudspeaker support, it is characterised in that described loudspeaker support sound chamber
Being externally provided with through hole, described loudspeaker support is provided with the first metallic region towards the one side of described metal back cover, and described speaker props up
The one side of the most described metal back cover of frame is provided with the second metallic region, and described through hole makes described first metallic region and described
Two metallic region conductings, described metal back cover and described first metallic region conducting, described mainboard is provided with shell fragment, described shell fragment
It is against in described second metallic region.
Mobile terminal the most according to claim 1, it is characterised in that described through hole edge is provided with the 3rd metallic region, institute
State the first metallic region to be turned on by described 3rd metallic region with described second metallic region.
Mobile terminal the most according to claim 1, it is characterised in that the most described metal back cover of described loudspeaker support
The sound intracavity of one side is provided with boss, and described boss is connected by described second metallic region with described through hole, described boss and institute
Stating shell fragment position corresponding, described shell fragment is against on described boss.
Mobile terminal the most according to claim 1, it is characterised in that also include conduction element, described metal back cover and described
First metallic region is turned on by described conduction element.
Mobile terminal the most according to claim 4, it is characterised in that described conduction element is conducting foam.
Mobile terminal the most according to claim 1, it is characterised in that described through hole is turbination hole, towards described gold
The diameter of the described through hole belonging to the one side of bonnet is more than the diameter of the described through hole of the one side of the most described metal back cover.
Mobile terminal the most according to claim 6, it is characterised in that the described through hole of the one side of the most described metal back cover
A diameter of 0.4mm.
Mobile terminal the most according to claim 1, it is characterised in that described first metallic region and described second metal area
Territory is realized by LDS technique.
Mobile terminal the most according to claim 5, it is characterised in that the area of described first metallic region is at least above institute
State the sectional area of conducting foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610324551.2A CN106060193B (en) | 2016-05-17 | 2016-05-17 | A kind of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610324551.2A CN106060193B (en) | 2016-05-17 | 2016-05-17 | A kind of mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106060193A true CN106060193A (en) | 2016-10-26 |
| CN106060193B CN106060193B (en) | 2019-09-27 |
Family
ID=57176296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610324551.2A Active CN106060193B (en) | 2016-05-17 | 2016-05-17 | A kind of mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106060193B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946807A (en) * | 2017-11-29 | 2018-04-20 | 努比亚技术有限公司 | A kind of conductance component for mobile terminal horn box |
| WO2022110346A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Terminal device |
Citations (6)
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|---|---|---|---|---|
| CN101466207A (en) * | 2007-12-19 | 2009-06-24 | 富葵精密组件(深圳)有限公司 | Circuit board and preparation method thereof |
| CN102082849A (en) * | 2011-01-24 | 2011-06-01 | 惠州硕贝德无线科技股份有限公司 | PCB (Printed Circuit Board) grounding structure in flip phone |
| CN203120147U (en) * | 2012-06-27 | 2013-08-07 | 惠州比亚迪电子有限公司 | A loudspeaker sound chamber structure and a mobile terminal using the same |
| CN103517165A (en) * | 2012-06-27 | 2014-01-15 | 比亚迪股份有限公司 | Loudspeaker sound cavity structure and mobile terminal using same |
| CN105141717A (en) * | 2015-07-31 | 2015-12-09 | 瑞声声学科技(苏州)有限公司 | Mobile terminal device |
| CN105576371A (en) * | 2016-02-29 | 2016-05-11 | 广东小天才科技有限公司 | Mobile terminal and antenna grounding structure thereof |
-
2016
- 2016-05-17 CN CN201610324551.2A patent/CN106060193B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101466207A (en) * | 2007-12-19 | 2009-06-24 | 富葵精密组件(深圳)有限公司 | Circuit board and preparation method thereof |
| CN102082849A (en) * | 2011-01-24 | 2011-06-01 | 惠州硕贝德无线科技股份有限公司 | PCB (Printed Circuit Board) grounding structure in flip phone |
| CN203120147U (en) * | 2012-06-27 | 2013-08-07 | 惠州比亚迪电子有限公司 | A loudspeaker sound chamber structure and a mobile terminal using the same |
| CN103517165A (en) * | 2012-06-27 | 2014-01-15 | 比亚迪股份有限公司 | Loudspeaker sound cavity structure and mobile terminal using same |
| CN105141717A (en) * | 2015-07-31 | 2015-12-09 | 瑞声声学科技(苏州)有限公司 | Mobile terminal device |
| CN105576371A (en) * | 2016-02-29 | 2016-05-11 | 广东小天才科技有限公司 | Mobile terminal and antenna grounding structure thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946807A (en) * | 2017-11-29 | 2018-04-20 | 努比亚技术有限公司 | A kind of conductance component for mobile terminal horn box |
| WO2022110346A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Terminal device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106060193B (en) | 2019-09-27 |
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