CN105611012B - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN105611012B CN105611012B CN201610061461.9A CN201610061461A CN105611012B CN 105611012 B CN105611012 B CN 105611012B CN 201610061461 A CN201610061461 A CN 201610061461A CN 105611012 B CN105611012 B CN 105611012B
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- China
- Prior art keywords
- waterproof membrane
- microphone
- hole
- radio reception
- mobile terminal
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Classifications
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- 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
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- 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
- H04M1/04—Supports for telephone transmitters or receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Telephone Set Structure (AREA)
Abstract
The present invention provides a kind of mobile terminal.Mobile terminal provided by the invention, comprising: shell offers pickup hole on shell, microphone, circuit board, waterproof membrane support, waterproof membrane and radio reception bracket are provided in the inner cavity of shell；Waterproof membrane is sticked on waterproof membrane support, and waterproof membrane is against at case inside wall pickup hole, microphone is arranged on circuit boards, waterproof membrane support has the radio reception through-hole opposite with waterproof membrane, radio reception bracket is connect with shell, and through-hole is provided on radio reception bracket, and through-hole one end is opposite with the radio reception through-hole of waterproof membrane support, the other end is opposite with microphone callee, to form leading note channel between pickup hole and microphone callee；Circuit board is electrically connected with microphone, to drive microphone to receive sound.The microphone hermetic water-proof structure of good seal and high reliablity can be achieved in the present invention.
Description
Technical field
The present invention relates to mobile terminal technology more particularly to a kind of mobile terminals.
Background technique
Currently, popularizing with mobile terminals such as mobile phones, three proofings (dust-proof, waterproof, shatter-resistant) performance of mobile terminal is more next
More it is taken seriously.Wherein, the waterproof performance of the mobile terminals such as mobile phone is always one of focal point.
Currently, the shell outside the mobile terminals such as mobile phone is integral seal structure, offers key slot on shell and for wheat
Gram wind carries out the pickup hole etc. of pickup.Wherein, the pickup hole of microphone is located at the end of handset shell, and generally runs through mobile phone
The through-hole in outside in shell, the liquid outside handset shell enters enclosure interior from pickup hole in order to prevent, in portions such as pickup holes
Position is usually provided with microphone waterproof construction, to progress waterproof sealing processing at microphone.Fig. 1 is having in prior art
The mobile terminal structure schematic diagram of microphone waterproof construction.As shown in Figure 1, in general, the waterproof construction of the microphone of mobile terminal
It specifically includes waterproof screen cloth or waterproof membrane 101, silica gel sheath 102, microphone 103, soft arranging wire 104 and circuit board 106 etc. first, prevents
Moisture film 101 is pasted at the inside in the pickup hole 105 on the inside of handset shell, recycles silica gel sheath 102 or foam by microphone 103
It seals up, and microphone 103 is installed in close to the position in pickup hole 105, silica gel sheath 102 or foam are disposed around microphone 103
Around, microphone 103 is sealed up, and waterproof membrane 101 and silica gel sheath are collectively formed to form leading note channel, microphone 103
Connect with one end of soft arranging wire 104, soft arranging wire 104 is another to be connected on the electroconductive elastic sheet 107 opposite with circuit board 106, conductive
Soft arranging wire 104 and circuit board 106 is connected in elastic slice 107, to realize being electrically connected for microphone 103 and circuit board 106.It is extraneous in this way
It after sound is entered by pickup hole 105, conducts by the hole on silica gel sheath 102 to microphone 103, microphone is by voice signal
Switch to electric signal, and by passing to electric signal on circuit board 106 with soft arranging wire 104 and electroconductive elastic sheet 107.
However, there are following deficiencies for the hermetic water-proof structure of microphone in the prior art: firstly, because mobile terminal shell
Internal portion narrow space is not easy to assemble, and is in contact on the inside of waterproof membrane with the silica gel sheath on the outside of microphone, so pasting waterproof
When film, it is easy to generate because of assembling not in place and seal uneven and buckling phenomena, when microphone loosens, it is also possible into
One step drives waterproof membrane to generate fold or sliding, influences the waterproof sealing effect of microphone.Secondly because microphone and circuit board
Between using soft arranging wire connect, when microphone assembly when, be easy generated because of the length limitation of soft arranging wire deflection, inclination etc. assemble
Incomplete phenomena influences to seal consistency, and is easy to produce because of the displacement of microphone itself between soft arranging wire and electroconductive elastic sheet
Raw movement, causes connecting staggered or disconnection between electroconductive elastic sheet and soft arranging wire.It is easy to produce poor contact in this way or leakage sound is existing
As influencing microphone to the collection effect of voice signal.
Summary of the invention
The present invention provides a kind of mobile terminal, can be realized good microphone waterproof sealing effect, and sealing reliability
It is high.
The present invention provides a kind of mobile terminal, and mobile terminal includes shell, and pickup hole, the inner cavity of shell are offered on shell
In be provided with microphone, circuit board, waterproof membrane support, waterproof membrane and radio reception bracket；Waterproof membrane is sticked on waterproof membrane support, and
Waterproof membrane is against at the pickup hole of case inside wall, and microphone is arranged on circuit boards, and waterproof membrane support has and waterproof membrane phase
Pair radio reception through-hole, be provided with through-hole on radio reception bracket, through-hole one end is opposite with the radio reception through-hole of waterproof membrane support, the other end with
The callee of microphone is opposite, is collectively formed by radio reception through-hole with through-hole with being formed between pickup hole and the callee of microphone
Leading note channel；Circuit board and microphone electrical connection, to drive microphone to acquire sound.
Mobile terminal provided by the invention, including shell, offer pickup hole on shell, in the inner cavity of mobile terminal shell
It is provided with microphone, circuit board, waterproof membrane support, waterproof membrane and radio reception bracket；Waterproof membrane is sticked on waterproof membrane support, and
Waterproof membrane is against at the pickup hole of case inside wall, and microphone is arranged on circuit boards, and waterproof membrane support has and waterproof membrane phase
Pair radio reception through-hole, be provided with through-hole on radio reception bracket, through-hole one end is opposite with the radio reception through-hole of waterproof membrane support, the other end with
The callee of microphone is opposite, is collectively formed by radio reception through-hole with through-hole with being formed between pickup hole and the callee of microphone
Leading note channel；Circuit board is electrically connected with microphone, to drive microphone to acquire sound.It is directly sticked with by microphone in waterproof
Film side, and using soft arranging wire by microphone compared with the existing way that circuit board connects, in this way can be to the waterproof on pickup hole
Film realization is fixedly secured, and leading note channel is arranged between pickup hole and the callee of microphone, makes to install on circuit boards
Microphone receives the sound from mobile terminal shell pickup hole.On the one hand, waterproof membrane is first fixed on waterproof membrane support, then
Waterproof membrane support and shell is relatively fixed, thus by waterproof membrane be folded in waterproof membrane support binding face and case inside wall it
Between, in this way due to being easy to be bonded between waterproof membrane support and waterproof membrane, waterproof membrane smooth expansion when being pasted can be made,
Prevent fold occur when assembly, and waterproof membrane support can be supported in the one side of waterproof membrane, make waterproof membrane securely with movement
The case inside wall of terminal fits, and the two sides of such waterproof membrane is fixed and supported, and is not likely to produce loosening and displacement,
Sealing performance is good；On the other hand, pickup is realized using the leading note channel opened up by waterproof membrane support and radio reception internal stent
Hole is transmitted to the sound of microphone, and microphone needs not necessarily need to be provided at pickup hole, but is mounted directly setting on circuit boards, in this way
Microphone will not generate relative displacement with circuit board, and electrical connection form stable is reliable, effectively prevents microphone poor contact
Phenomena such as.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the waterproof construction schematic diagram of Mike in the mobile terminal of the prior art；
Fig. 2A is the structural schematic diagram for the mobile terminal that the embodiment of the present invention one provides；
Fig. 2 B is the structural schematic diagram for the mobile terminal inner cavity that the embodiment of the present invention one provides；
Fig. 2 C is the schematic cross-section for the mobile terminal inner cavity that the embodiment of the present invention one provides；
Fig. 2 D is the scheme of installation for the waterproof membrane that the embodiment of the present invention one provides；
Fig. 2 E is the scheme of installation for the waterproof membrane support that the embodiment of the present invention one provides；
Fig. 2 F is that the embodiment of the present invention one provides in radio reception bracket the diagrammatic cross-section in leading note channel when for straight hole；
Fig. 2 G be in radio reception bracket that the embodiment of the present invention one provides for bent hole when leading note channel diagrammatic cross-section；
Fig. 2 H is the first sealing means diagrammatic cross-section of the microphone that the embodiment of the present invention one provides and radio reception bracket；
Fig. 2 I is second of sealing means diagrammatic cross-section of the microphone that the embodiment of the present invention one provides and radio reception bracket；
Fig. 2 J is the third sealing means diagrammatic cross-section of the microphone that the embodiment of the present invention one provides and radio reception bracket.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 2A is the structural schematic diagram for the mobile terminal that the embodiment of the present invention one provides.As shown in Figure 2 A, the present embodiment institute
The mobile terminal stated includes shell 10, and shell 10 is usually enclosed construction, and pickup hole 11 is offered on shell 10, pickup hole
11 communicate with the inner cavity 12 of shell 10, and the sound outside mobile terminal can be passed to inside shell 10.Specifically, in order to consider
Waterproof performance, the shell 10 of mobile terminal usually have good sealing structure, and pickup hole 11 is usually provided with shell 10 along length
The end position for spending direction, such as the top or bottom of shell 10, and 11 aperture of pickup hole opened up on shell 10 is smaller, with side
Just it is sealed.In general, pickup hole 11 can open up the through-hole as aperture for 1~2mm size, pickup hole 11 and shell 10
Inner cavity 12 communicate, and by the sound of external environment be passed to inner cavity 12 inside, to carry out acquisition of the mobile terminal to sound.
Fig. 2 B is the structural schematic diagram for the mobile terminal inner cavity that the embodiment of the present invention one provides.Fig. 2 C is the embodiment of the present invention
The schematic cross-section of the one mobile terminal inner cavity provided.As shown in fig. 2 b and fig. 2 c, it is arranged in the inner cavity of mobile terminal shell
Have: microphone 1, circuit board 2, waterproof membrane support 3, waterproof membrane 4 and radio reception bracket 5；
Common, waterproof membrane support 3 has the binding face being bonded with waterproof membrane 4, and waterproof membrane 4 can be sticked by binding face
On waterproof membrane support 3, and binding face, towards pickup hole 11, such waterproof membrane 4 is against at the pickup hole 11 of 10 inner sidewall of shell, with
It is folded in waterproof membrane 4 between 10 inner sidewall of waterproof membrane support 3 and shell, microphone 1 is arranged on the circuit board 2, and radio reception
Relative position between bracket 5, waterproof membrane support 3 and microphone 1 is kept fixed, such as waterproof membrane support 3 is fixed on shell 10
Inner cavity in, circuit board 2 and radio reception bracket 5 can also be connect with shell 10；Waterproof membrane support 3 has the receipts opposite with waterproof membrane 4
Sound through-hole is provided with through-hole on radio reception bracket 5, and through-hole one end is opposite with the radio reception through-hole of waterproof membrane support 3, the other end and Mike
The callee of wind 1 is opposite, is collectively formed by radio reception through-hole with through-hole with being formed between pickup hole 11 and the callee of microphone 1
Leading note channel；
Microphone 1 is arranged on the circuit board 2, and microphone 1 is electrically connected with circuit board 2, and circuit board 2 can pass through electrical connection
It drives microphone 1 to work, and microphone 1 is made to execute sound collection function.
Specifically, after waterproof membrane 4 is fixed on waterproof membrane support 3, then be covered at the pickup hole 11 of 10 inner sidewall of shell,
Waterproof membrane 4 is generally made of high molecular material, such as polytetrafluoroethylene (PTFE) etc., has the effect of waterproof and breathable.Because of waterproof membrane 4
The hole on surface is very tiny, and in the state of steam, particle water is very tiny, under capillary action, the molecule energy of water
It is enough smoothly to penetrate into capillary to the other side, so that vapour phenomenon occur.After moisture condensation becomes droplet, particle becomes larger, by
In the effect of droplet surface tension, hydrone cannot smoothly be detached from droplet and penetrate into the other side, to play waterproof effect.It is anti-
The usual film thickness of moisture film 4 is relatively thin, and when waterproof membrane 4 is covered on pickup hole 11, a film layer is formed at pickup hole 11.Work as external sound
When being entered by pickup hole and being sent to waterproof membrane 4, film layer generates vibration accordingly, so that sound is transmitted to 4 direction of waterproof membrane
The side of the inner cavity 12 of shell 10.
Optionally, waterproof membrane 4 can also be made of waterproof net cloth.Waterproof screen cloth has many advantages, such as good permeability, and ties
Structure intensity is preferable, when foreign matter enters pickup hole 11, if the waterproof membrane 4 of 10 inside of shell is polytetrafluoroethylene (PTFE) waterproof membrane,
Disrepair phenomenon may be generated because film thickness is smaller, and if the waterproof screen cloth high using structural strength, it can avoid different
Disrepair phenomenon caused by object.
Specifically, since waterproof membrane 4 is general softer, so in the assembly work for carrying out waterproof membrane 4 and waterproof membrane support 3
When, it needs first to paste waterproof membrane 4 on waterproof membrane support 3, then by Special tooling clamp waterproof membrane 4 and waterproof membrane support
3 are bonded to together at the pickup hole 11 of 10 inner sidewall of shell, to complete the adhesive asserably work between three.
In general, in order to guarantee the sealing effect between waterproof membrane 4 and shell 10, using waterproof membrane support 3 by waterproof membrane 4
After being arranged to the pickup hole 11 of 10 inner sidewall of shell, it is also necessary to which waterproof membrane 4 is laid in 10 inner sidewall of shell by binder
Pickup hole 11 at.Fig. 2 D is the scheme of installation for the waterproof membrane that the embodiment of the present invention one provides.As shown in Figure 2 D, bonding agent one
As can be using the preferably industrial marine glue of leakproofness.Waterproof membrane is bonded in the pickup hole of 10 inner sidewall of shell using bonding agent
After at 11, glued dose of filling of seam or gap between waterproof membrane 4 and shell 10 is sealed, and prevents the water of external environment by waterproof
Seam between film 4 and shell 10 flows into mobile terminal inner cavity, thus while guaranteeing sound normal conduction, it is ensured that waterproof
The waterproof sealing effect of film 4.
In order to ensure the connection between waterproof membrane 4 and the inner cavity 12 of mobile terminal shell 10, need through waterproof membrane support 3
Side of the waterproof membrane 4 far from 10 inner sidewall of shell is set.Fig. 2 E is the peace for the waterproof membrane support that the embodiment of the present invention one provides
Fill schematic diagram.As shown in Figure 2 E, waterproof membrane support 3 is usually lamellar, is sticked with can be convenient in this way in waterproof membrane 4 far from shell
The side of 10 inner sidewall of body, and waterproof membrane 4 is fixedly secured between 10 inner sidewall of waterproof membrane support 3 and shell.Such waterproof
Film 4 is not easy to fall off from 10 inner sidewall of shell, and the reliability of waterproof sealing is higher.
At this point, also being needed between waterproof membrane support 3 and waterproof membrane 4 to reinforce the waterproof seal of mobile terminal inner cavity 12
It to be bonded by bonding agent, specifically, bonding agent can will be coated on face that waterproof membrane support 3 is in contact with waterproof membrane 4,
And waterproof membrane support 3 is bonded in side of the waterproof membrane 4 far from 10 inner sidewall of shell.
Common, in order to guarantee the combination effect between waterproof membrane support 3 and waterproof membrane 4, waterproof membrane support 4 generally has
The binding face being bonded with waterproof membrane.The area of binding face is larger, and the shape of binding face, radian match with waterproof membrane 4, this
When binding face is pressed on waterproof membrane 4, waterproof membrane 4 can combine closely sample between waterproof membrane support 3, and waterproof membrane support 3
Waterproof membrane 4 can be tightly pressed against on the inner sidewall of shell 10, to further strengthen the sealing effect to waterproof membrane 4.Optionally, prevent
Positioning bar can also be set on the binding face of moisture film bracket 3, the shape that positioning bar surrounds matches with 4 shape of waterproof membrane, thus
The positional relationship between waterproof membrane 4 and waterproof membrane support 3 is further ensured, prevents waterproof membrane 4 from sliding, fold etc. occur existing
As.
In order to form the channel for transmitting sound, there is the radio reception through-hole opposite with waterproof membrane on waterproof membrane support 3
31, after waterproof membrane 4 receives external sound, is vibrated by itself, sound is transferred to the deeper of inner cavity 12 via waterproof membrane support 3
Place.Generally, in order to ensure the conducting effect of sound, the radio reception through-hole 31 of waterproof membrane support 3 is being generally arranged at waterproof membrane 4 just
Center, and 31 face waterproof membrane support 3 of radio reception through-hole.At this point, amplitude maximum of the high molecular waterproof membrane 4 because of center, it can
Effectively to transmit extraneous acoustical vibration, sound transmission effect is best.
It, can be by the conduction of through-hole 51 inside radio reception bracket 5 to electricity after the radio reception through-hole 31 that sound passes through waterproof membrane support 3
At microphone 1 on road plate 2.Radio reception bracket 5 is connect with shell 10, and 51 one end of through-hole on radio reception bracket 5 and waterproof membrane branch
The radio reception through-hole 31 of frame 3 is opposite, and the other end and microphone 1 are opposite, thus on waterproof membrane 4 on the housing 10 and circuit board 2
Microphone 1 between formed a leading note channel.Sound is passed by the path of waterproof membrane 4 --- leading note channel --- microphone 1
It is handed at microphone 1, and is received and acquire by microphone 1, circuit board 2 can be worked by electrical connection driving microphone 1, and make wheat
Gram wind 1 executes sound collection function, wherein circuit board 2 can for printed circuit board (Printed circuit board, referred to as
PCB)。
Wherein, sound occurs leaking sound phenomenon when through leading note channel conductance in order to prevent, in radio reception bracket 5 and waterproof membrane branch
The first sealing foam 6 should be arranged in the opposite one end of frame 3, and the first sealing foam 6 can be in the through-hole 51 and waterproof membrane of radio reception bracket 5
It is effectively sealed between the radio reception through-hole 31 of bracket 3, prevents sound from overflowing from the gap between radio reception bracket 5 and waterproof membrane 4
Out.
Microphone 1 is set up directly on circuit board 2 in this way, and the leading note channel in radio reception bracket 5 is used to carry out acoustic,
With the position that microphone is positioned close to shell in the prior art, and utilize soft arranging wire and elastic slice by microphone and circuit board phase
The method of connection, because microphone 1 can be directly welded on circuit board 2, so can be effectively reduced the assembly difficulty of production line, and
Improve production efficiency.
In the present embodiment, mobile terminal includes shell, and pickup hole is offered on shell, is set in the inner cavity of mobile terminal shell
It is equipped with: microphone, circuit board, waterproof membrane support, waterproof membrane and radio reception bracket；Waterproof membrane is sticked on waterproof membrane support, and anti-
Moisture film is against at the pickup hole of case inside wall, and microphone is arranged on circuit boards；Waterproof membrane support has opposite with waterproof membrane
Radio reception through-hole, radio reception bracket connect with shell, and through-hole, the radio reception of through-hole one end and waterproof membrane support are provided on radio reception bracket
Through-hole is opposite, and the other end is opposite with the callee of microphone, logical to form leading note between pickup hole and the callee of microphone
Road circuit board is electrically connected with microphone, to drive microphone to acquire sound.Microphone is sticked in waterproof membrane side with routine, and
By soft arranging wire by microphone with circuit board connect in the way of compared with, the waterproof membrane on pickup hole can be realized so securely solid
It is fixed, and leading note channel is set between pickup hole and the callee of microphone, receive the microphone installed on circuit boards
Sound from mobile terminal shell pickup hole.On the one hand, waterproof membrane is first fixed on the binding face of waterproof membrane support, then will be prevented
Moisture film bracket and shell are relatively fixed, so that waterproof membrane is folded between the binding face of waterproof membrane support and case inside wall,
In this way since binding face is easy to be bonded, waterproof membrane smooth expansion when being pasted can be made, prevent fold occur when assembly,
And waterproof membrane support can be supported in the one side of waterproof membrane, be affixed waterproof membrane with the case inside wall of mobile terminal securely
It closes, the two sides of such waterproof membrane is fixed and supported, and is not likely to produce loosening and displacement, sealing performance is good；It is another
Aspect realizes that pickup hole is passed to the sound of microphone using the leading note channel opened up from waterproof membrane support and radio reception internal stent
It passs, microphone needs not necessarily need to be provided at pickup hole, but is mounted directly setting on circuit boards, and such microphone will not be with circuit board
Phenomena such as generation relative displacement, electrical connection form is more reliable and more stable, effectively prevents microphone poor contact.
Specifically, when carrying out the transmission of sound in mobile terminal inner cavity 12, for the difference of mobile terminal internal structure,
Its leading note channel can have different implementations, be illustrated individually below.
As a kind of possible embodiment, the through-hole 51 on radio reception bracket 5 is straight hole, i.e. through-hole on radio reception bracket 5
51 one end opposite with waterproof membrane 4 and one end opposite with microphone 1 are on same straight line.Fig. 2 F is the embodiment of the present invention
The diagrammatic cross-section in leading note channel when being straight hole in one offer radio reception bracket.As shown in Figure 2 F, the through-hole 51 on radio reception bracket 5 is
One straight hole, and straight hole one end face waterproof membrane 4, and the other end and microphone 1 are opposite.At this point, because the through-hole of radio reception bracket 5
There is no bending and turnings for 51 inside, so the sound from waterproof membrane 4 unhinderedly can be transferred to microphone 1 along the straight hole
Place, avoids loss of the voice signal in through-hole 51, to keep the transmission efficiency of sound higher.
As alternatively possible embodiment, the through-hole 51 inside radio reception bracket 5 can also be bent hole.Fig. 2 G is this
The diagrammatic cross-section in leading note channel when being bent hole in the radio reception bracket that inventive embodiments one provide.As shown in Figure 2 G, in radio reception
Through-hole 51 inside bracket 5, the section shape along length extending direction are L shape, i.e., the through-hole is L shape hole.Such leading note
The arrangement that channel can be convenient microphone 1 is put.Because the circuit board 2 inside mobile terminal is usually along the length direction of shell 10
Arrangement, so 51 one end of through-hole and 10 top of shell or bottom end inside radio reception bracket 5 are arranged when through-hole 51 is using L shape hole
Waterproof membrane 4 it is opposite, and the other end can just face the front of circuit board 2, and microphone 1 can be arranged in circuit board 2 at this time
Front or back side, and can be carried out without other brackets with being directly welded to connect between microphone 1 and circuit board 2
It is fixed.
It should be noted that the through-hole 51 inside radio reception bracket 5 can be more section shape, but through-hole is bent hole
When, bending inside hole should be avoided or turning is excessive, such as section is that sound is caused because its internal bend is more in the hole of serpentine
When incoming 51 inside of through-hole, sound wave reflection is excessive, and phenomena such as reverberation, interference occurs, and form the decaying or dry of voice signal
It disturbs.Preferably, the turning through-hole Ying Yiwu or a turning inside radio reception bracket 5 are preferred embodiment.
In above two possible embodiment, the through-hole 51 inside radio reception bracket 5 all should ensure that inner surface more light
Cunning, roughness are lower, and the length of through-hole is as shorter as possible, decaying when conducting in the through-hole of radio reception bracket to avoid sound
Phenomenon improves sound transmission efficiency.
In addition, it should be noted that, 51 aperture of through-hole of radio reception inside 5 and 31 aperture of radio reception through-hole of waterproof membrane support 3
There should all be suitable size dimension, if aperture is excessive, may cause and will cause leakage sound；If aperture is too small, transmit
Sound it is smaller, may make microphone 1 that can not acquire or identify sound.
In general, radio reception bracket 5 is connected with the shell 10 of mobile terminal.Specifically, radio reception bracket 5 can with shell 10 it
Between by buckle or screw connection, for example, by using screw and buckle radio reception bracket 5 is fixed on mobile terminal shell 10 jointly
On, or the fixation of position between screw and double-sided adhesive realization radio reception bracket 5 and shell 10 can also be used.At this point, radio reception bracket 5
Position between shell 10 is relatively fixed, when can effectively avoid radio reception bracket 5 and moving, forms the waterproof membrane in leading note channel
Relative displacement and gap are generated between bracket 3, radio reception bracket 5 and microphone 1, and cause poor sealing and leakage sound phenomenon.
Further, radio reception bracket 5 can be set with loudspeaker support is structure as a whole.Because of the sky inside mobile terminal
Between it is smaller, it is possible that being difficult to accommodate an independent radio reception bracket 5.At this point it is possible to the existing loudspeaking inside mobile terminal
Setting is used for transaudient through-hole inside device bracket or antenna holder, and by the portion of external shape of loudspeaker support be designed as with
The pattern that microphone 1 matches on waterproof membrane support and circuit board 2, to realize the one of radio reception bracket 5 Yu loudspeaker support
Formula structure.After integral structure, existing region and the component inside mobile terminal can be efficiently used, is effectively saved and leads
The occupied space in sound channel.
Specifically, can also be fixedly connected using various ways between microphone 1 and circuit board 2.For example, one
In the possible embodiment of kind, the one side in 2 face radio reception bracket 5 of circuit board is can be set in microphone 1, at this point, microphone 1 is logical
Cross pad solder on the circuit board 2, and the sound input end of microphone 1 is just corresponding with the through-hole 51 of radio reception bracket 5.This is solid
It is relatively simple to determine method, is suitable for all kinds of preceding formula microphones out.
Alternatively, can also be used in alternatively possible embodiment and carry on the back out the acquisition that formula microphone carries out sound.Mike
Wind 1 is when carrying on the back out formula microphone, and the side of the separate radio reception bracket 5 of circuit board 2 is arranged in microphone 1, is provided on circuit board 2
Through the sound hole 21 of circuit board 2, sound hole 21 is used for self-conductance in future between leading note channel and the callee of microphone 1
The sound in sound channel is passed in microphone 1.At this point, being provided with receipts in the region of the through-hole 51 of face radio reception bracket 5 on circuit board 2
Sound hole 21, sound hole 21 are the through-hole through circuit board 2, after sound is spread out of by through-hole 51, can pass through the sound hole 21, transmitting
To being located at the microphone 1 of 2 another side of circuit board, so that microphone 1 receives voice signal.When using carrying on the back out formula microphone,
Waterproof membrane support 3 can be efficiently used and radio reception bracket 5 is formed by leading note channel, make the company between microphone 1 and circuit board 2
Relationship is connect as conventional connection, that is, can guarantee the normal radio reception for carrying on the back out formula microphone.
In order to guarantee that there is good sealing between microphone 1 and radio reception bracket 5, prevent sound from microphone 1 and radio reception
Gap leakage between bracket 5, causes leakage sound phenomenon, needs to take seal approach between radio reception bracket 5 and microphone 1.
In general, the second sealing foam 7 can be arranged between circuit board 2 and radio reception bracket 5.Fig. 2 H is that the embodiment of the present invention one provides
The first sealing means diagrammatic cross-section of microphone and radio reception bracket.As illustrated in figure 2h, the second sealing foam 7 is folded in radio reception
Between bracket 5 and circuit board 2, when microphone 1 is to carry on the back out formula microphone, through-hole 51 of second sealing foam 7 in radio reception bracket 5
There is the hole for being used for transmission sound between the sound hole 21 of circuit board 2.And then by 7 ontology of the second sealing foam around hole
Sealing, to prevent sound from escaping.Fig. 2 I is second of sealing side of the microphone that the embodiment of the present invention one provides and radio reception bracket
Formula diagrammatic cross-section.As shown in figure 2i, when microphone 1 is preceding formula microphone out, the second sealing foam 7 is in 1 surrounding of microphone
Hole is set, and 7 ontology of the second sealing foam is filled with the space around hole, by the through-hole 51 of radio reception bracket 5 until
Space sealing between circuit board 2 gets up, and ensures that sound will not escape between radio reception bracket 5 and circuit board 2.
Optionally, when guaranteeing the sealing between radio reception bracket 5 and microphone 1, other seal approach can also be used, such as
Gum cover etc. is sealed.Fig. 2 J is the third sealing means section of the microphone that the embodiment of the present invention one provides and radio reception bracket
Schematic diagram.As shown in fig. 2j, gum cover 8 is provided between circuit board 2 and radio reception bracket 5, gum cover 8 is for accommodating microphone 1.Glue
Set 8 can be using good airproof performances such as silica gel, and the stronger material of plasticity is made.Shape ruler of the size of gum cover 8 than microphone 1
It is very little bigger, microphone 1 can be accommodated therein in this way, and the opening of gum cover 8 is usually close to radio reception bracket 5 or circuit board
2 plane setting, to form a sealing surface.Microphone 1 is accommodated therein by the sealing surface jointly with 8 ontology of gum cover, thus
Microphone 1 is sealed in an independent confined space.Sound from radio reception bracket 5 can be limited to by the confined space
In it, preventing sound from escaping into, circuit board 2 is outer or other positions of mobile terminal.Microphone 1 is accommodated using gum cover 8 in this way
In wherein, the confined space formed is small, can effectively avoid leakage sound phenomenon and generates.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (9)
1. a kind of mobile terminal, which is characterized in that the mobile terminal includes: shell, and pickup hole, institute are offered on the shell
It states and is provided with microphone, circuit board, waterproof membrane support, waterproof membrane and radio reception bracket in shell；The waterproof membrane support have with
The binding face of the waterproof membrane fitting,
The waterproof membrane is sticked on the waterproof membrane support by the binding face, and the waterproof membrane is against in the shell
At the pickup hole of side wall, the microphone is arranged on the circuit board, and the waterproof membrane support has and the waterproof membrane phase
Pair radio reception through-hole, be provided with through-hole, the radio reception through-hole of described through-hole one end and the waterproof membrane support on the radio reception bracket
Relatively, the other end is opposite with the callee of the microphone, with the shape between the pickup hole and the callee of the microphone
At leading note channel；
The circuit board is electrically connected with the microphone, to drive the microphone acquisition sound.
2. mobile terminal according to claim 1, which is characterized in that between the radio reception bracket and the waterproof membrane support
It is provided with the first sealing foam.
3. mobile terminal according to claim 1, which is characterized in that section shape of the through-hole along length extending direction
For L shape.
4. mobile terminal according to claim 1-3, which is characterized in that the microphone is to carry on the back out formula Mike
Wind, the side far from the radio reception bracket carried on the back out formula microphone and the circuit board is arranged in, is arranged on the circuit board
There is the sound hole through the circuit board, the sound hole is located at the leading note channel and the callee for carrying on the back out formula microphone
Between.
5. mobile terminal according to claim 4, which is characterized in that be arranged between the circuit board and the radio reception bracket
There is the second sealing foam.
6. mobile terminal according to claim 1-3, which is characterized in that the circuit board and the radio reception bracket
Between be provided with gum cover, the gum cover is for accommodating the microphone.
7. mobile terminal according to claim 1-3, which is characterized in that the radio reception bracket and the shell it
Between by buckle or screw connection.
8. mobile terminal according to claim 1-3, which is characterized in that the radio reception bracket and loudspeaker support
It is structure as a whole.
9. mobile terminal according to claim 1-3, which is characterized in that the waterproof membrane is laid by binder
At the pickup hole of the case inside wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610061461.9A CN105611012B (en) | 2016-01-29 | 2016-01-29 | Mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610061461.9A CN105611012B (en) | 2016-01-29 | 2016-01-29 | Mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105611012A CN105611012A (en) | 2016-05-25 |
| CN105611012B true CN105611012B (en) | 2019-03-15 |
Family
ID=55990546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610061461.9A Active CN105611012B (en) | 2016-01-29 | 2016-01-29 | Mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105611012B (en) |
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| WO2022260274A1 (en) * | 2021-06-07 | 2022-12-15 | 주식회사 비에스이 | Microphone protecting device |
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| WO2022260274A1 (en) * | 2021-06-07 | 2022-12-15 | 주식회사 비에스이 | Microphone protecting device |
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| CN105611012A (en) | 2016-05-25 |
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Address after: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee after: Qingdao Hisense Mobile Communication Technology Co.,Ltd. Address before: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee before: HISENSE MOBILE COMMUNICATIONS TECHNOLOGY Co.,Ltd. |
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