CN108632727A - Portable terminal - Google Patents

Portable terminal Download PDF

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Publication number
CN108632727A
CN108632727A CN201810664772.3A CN201810664772A CN108632727A CN 108632727 A CN108632727 A CN 108632727A CN 201810664772 A CN201810664772 A CN 201810664772A CN 108632727 A CN108632727 A CN 108632727A
Authority
CN
China
Prior art keywords
vibrating diaphragm
hole
portable terminal
central
central part
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.)
Pending
Application number
CN201810664772.3A
Other languages
Chinese (zh)
Inventor
王兴龙
葛连山
刘春发
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Inc
Original Assignee
Goertek Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Goertek Inc filed Critical Goertek Inc
Priority to CN201810664772.3A priority Critical patent/CN108632727A/en
Publication of CN108632727A publication Critical patent/CN108632727A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/025Magnetic circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Abstract

The invention discloses a kind of portable terminal, including shell and loud speaker, there is the enclosure interior accommodating cavity, the loud speaker to be mounted on the accommodating cavity;The loud speaker includes the first vibrational system, the second vibrational system, magnetic circuit system, wherein first vibrational system includes the first vibrating diaphragm and the voice coil on the inside of first vibrating diaphragm;Second vibrational system includes the second vibrating diaphragm being oppositely arranged with first vibrating diaphragm;Space between first vibrating diaphragm and the second vibrating diaphragm is divided into first operatic tunes and second operatic tunes by the magnetic circuit system, and the voice coil is contained in the magnetic gap of the magnetic circuit system;Through-hole is equipped between first operatic tunes and second operatic tunes, first vibrating diaphragm is linked by the through-hole and second vibrating diaphragm.Two sets of vibrational systems are arranged in the loud speaker of the present invention, but only with a set of voice coil and magnetic circuit system to realize that it is small that the structure of Bidirectional sounding occupies, convenient for being widely used in portable terminal.

Description

Portable terminal
Technical field
The present invention relates to electroacoustic techniques field, more particularly to a kind of portable terminal.
Background technology
Currently, important component of the loud speaker as the terminal with audio playing function, is widely used.Some ends End, especially portable terminal, if mobile phone, tablet computer, earphone can be that the installation space that loud speaker provides is very limited, because This, the existing loud speaker that can be applied to narrow installation space, the structure of the single vibrating diaphragm front sounding of generally use.For reality Showing Bidirectional sounding, the prior art provides a kind of two sets of voice coils of use and the composite structure of vibrating diaphragm and the loud speaker of magnetic circuit system, Wherein magnetic circuit system has double magnetic gap, is respectively used to accommodate two voice coils, but the usual volume of this loud speaker is larger, it is difficult to To extensive use.Also, the composite structure of structure in the prior art, a set of voice coil and vibrating diaphragm and another set of voice coil and vibrating diaphragm Composite structure be work independently, it is a set of be used as high frequency acoustical generator, it is another set of be used as low-frequency audible signal device, can not achieve simultaneously bi-directionally Sounding.
Invention content
The main object of the present invention is to provide a kind of portable terminal, it is intended to solve raising for existing realization Bidirectional sounding Sound device because volume is larger be difficult to extensive use the technical issues of.
To achieve the above object, the invention discloses a kind of portable terminal, including shell and loud speaker, the enclosure interiors With accommodating cavity, the loud speaker is mounted on the accommodating cavity;
There is the shell front being oppositely arranged and reverse side, the front to offer the first acoustic aperture, and the reverse side opens up There is the second acoustic aperture;The loud speaker includes the first vibrational system, the second vibrational system, magnetic circuit system, wherein
First vibrational system includes the first vibrating diaphragm and the voice coil on the inside of first vibrating diaphragm;Second vibration System includes the second vibrating diaphragm being oppositely arranged with first vibrating diaphragm;
Space between first vibrating diaphragm and the second vibrating diaphragm is divided into first operatic tunes and second operatic tunes by the magnetic circuit system, The voice coil is contained in the magnetic gap of the magnetic circuit system;
Through-hole is equipped between first operatic tunes and second operatic tunes, first vibrating diaphragm passes through the through-hole and described second Vibrating diaphragm links;
First vibrating diaphragm is connected to away from the space of second vibrating diaphragm with first acoustic aperture, and first acoustic aperture is used for Conduct the sound that first vibrating diaphragm is sent out;
Second vibrating diaphragm is connected to away from the space of first vibrating diaphragm with second acoustic aperture, and second acoustic aperture is used for Conduct the sound that second vibrating diaphragm is sent out.
Optionally, the through-hole is arranged on the magnetic circuit system.
Optionally, the magnetic circuit system includes conductive magnetic yoke and the center magnetic path portion in the conductive magnetic yoke and side magnetic circuit Part;
The magnetic gap for accommodating the voice coil is formed between the center magnetic path portion and side magnetic circuit part;
The through-hole includes the central through hole of the corresponding conductive magnetic yoke and center magnetic path portion setting;
And/or the through-hole includes the side through-hole for being arranged in the conductive magnetic yoke and being located on the outside of center magnetic path portion.
Optionally, the loud speaker further includes the first connector, and first connector is set in the central through hole, institute The upper end for stating the first connector is fixedly connected with first vibrating diaphragm, and lower end is fixedly connected with second vibrating diaphragm.
Optionally, the loud speaker further includes the second connector, and second connector passes through the side through-hole, and described the The upper end of two connectors is fixedly connected with first vibrating diaphragm or voice coil, and lower end is fixedly connected with second vibrating diaphragm.
Optionally, the side through-hole includes spaced multiple;
Second connector includes connecting bottom board and multiple Connection protrusions for being convexly equipped on the connecting bottom board, the company It connects bottom plate to be fixedly connected with one of in first vibrating diaphragm and the second vibrating diaphragm, the end difference of multiple Connection protrusions One-to-one correspondence is fixedly connected across multiple side through-holes with another in first vibrating diaphragm and second vibrating diaphragm.
Optionally, the connecting bottom board is set as rectangular, round, track type or ellipse, and/or, the connection bottom Plate is arranged in Openworks shape.
Optionally, first vibrating diaphragm includes the first central part and is incorporated into the first reinforcement part of first central part; Second vibrating diaphragm includes the second central part and is incorporated into the second reinforcement part of second central part;First reinforcement part And/or second protrusion in reinforcement part stretch into the central through hole and realize that the first vibrating diaphragm and the second vibrating diaphragm are mutually permanently connected.
Optionally, first reinforcement part includes the first protrusion for stretching into the central through hole, the second reinforcement part packet Include the second protrusion for stretching into the central through hole, first protrusion and second the protrusion fixed company in the central through hole It connects.
Optionally, first protrusion and/or the second protrusion setting tapered in opposite directions.
Optionally, the voice coil includes the voice coil ontology and speech coil framework being mutually fixed by socket, and the speech coil framework is separate One end of first vibrating diaphragm is movable to be worn the side through-hole and is fixedly connected with second vibrating diaphragm.
Optionally, second vibrating diaphragm includes the second central part and is incorporated into the second reinforcement part of second central part;
Second reinforcement part is equipped with the extension towards first vibrating diaphragm, the extension is movable be set in it is described The voice coil is fixed in the through-hole of side.
Optionally, second vibrating diaphragm includes the second central part and is incorporated into the second reinforcement part of second central part;
Second reinforcement part is equipped with the extension towards first vibrating diaphragm;
Movable be set in the side through-hole of the extension is fixed to first vibrating diaphragm.
Optionally, the loud speaker further includes auxiliary system;
The auxiliary system shell, first vibrational system, the second vibrational system and the magnetic circuit system are installed on institute State shell;
The shell includes the upper casing and lower casing mutually spliced, and first vibrating diaphragm is fixed on the upper casing, and described second Vibrating diaphragm is fixed on the lower casing;
The center magnetic path portion includes the center magnet steel being set in the conductive magnetic yoke, and at the top of the magnet steel of center Center magnetic conductive board;The magnet steel when magnetic circuit part includes being set to center magnet steel periphery, and it is set to the side magnet steel The side magnetic conductive board at top.
Optionally, the lower casing is fixed in the conductive magnetic yoke injection molding;The upper casing is fixed in the side magnetic conductive board injection molding.
Optionally, first vibrating diaphragm includes the first central part of planar sheet, around first central part setting First ring portion and the first fixed part being arranged around the first ring portion;
Or, first vibrating diaphragm includes the first central part of planar sheet, the first reinforcement part combined with the first central part, Around the first ring portion of first central part setting and around the first fixed part of the first ring portion setting.
Optionally, second vibrating diaphragm includes the second central part of planar sheet, around second central part setting Second ring portion and the second fixed part being arranged around the second ring portion;
Or, second vibrating diaphragm includes the second central part of planar sheet, the second reinforcement part combined with the second central part, Around the second ring portion of second central part setting and around the second fixed part of the second ring portion setting.
Technical solution of the present invention is by using two sets of vibrational systems of setting, but only with a set of voice coil and magnetic circuit system with reality What now the structure of Bidirectional sounding occupied is small, convenient for being widely used in portable terminal.The loud speaker work of technical solution of the present invention When making, the vibrating diaphragm of the first vibrational system is first directly driven by magnetic circuit system so that the air of first operatic tunes compresses or expansion, due to It is connected to equipped with through-hole between first operatic tunes and second operatic tunes, first vibrating diaphragm is joined by the through-hole and second vibrating diaphragm Dynamic, the vibrating diaphragm of the second vibrational system therewith expand or compress, be consequently formed positive first and shake by vibration sounding, the linkage of second operatic tunes Film actively radiates, the Bidirectional sounding structure that the second vibrating diaphragm of reverse side passively radiates.The loudspeaker applications are portable when portable terminal The loud speaker of terminal can be respectively to the positive and negative both direction sounding of portable terminal by the first vibrational system and the second vibrational system.
Description of the drawings
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 technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the positive structure schematic of one embodiment of portable terminal of the present invention;
Fig. 2 is portable terminal structure schematic diagram in Fig. 1;
Fig. 3 is the isometric front view of loud speaker first embodiment of the present invention;
Fig. 4 is the rear isometric view of loud speaker in Fig. 3;
Fig. 5 is the sectional view of loud speaker in Fig. 3;
Fig. 6 is Fig. 5 right end schematic enlarged-scale views;
Fig. 7 is the part-structure schematic diagram of loud speaker in Fig. 3;
Fig. 8 is the exploded view of loud speaker in Fig. 3;
Fig. 9 is loud speaker second embodiment sectional view of the present invention;
Figure 10 is loud speaker 3rd embodiment sectional view of the present invention;
Figure 11 is loud speaker fourth embodiment sectional view of the present invention;
Figure 12 is the 5th embodiment of loud speaker of the present invention along long side sectional view;
Figure 13 is the 5th embodiment of loud speaker of the present invention along short side sectional view;
Figure 14 is the 5th embodiment partial structurtes exploded view of loud speaker of the present invention;
Figure 15 is loud speaker sixth embodiment of the present invention along long side sectional view;
Figure 16 is loud speaker sixth embodiment of the present invention along short side sectional view;
Figure 17 is loud speaker sixth embodiment voice coil structure schematic diagram of the present invention;
Figure 18 is loud speaker sixth embodiment conductive magnetic yoke structural schematic diagram of the present invention;
Figure 19 is the 7th embodiment of loud speaker of the present invention along long side sectional view;
Figure 20 is the 7th embodiment of loud speaker of the present invention along short side sectional view;
Figure 21 is the 7th embodiment partial structurtes exploded view of loud speaker of the present invention;
Figure 22 is the 8th embodiment of loud speaker of the present invention along long side sectional view;
Figure 23 is the 9th embodiment of loud speaker of the present invention along long side sectional view;
Figure 24 is the 9th embodiment of loud speaker of the present invention along short side sectional view;
Figure 25 is the 9th embodiment partial structurtes exploded view of loud speaker of the present invention;
Figure 26 is the tenth embodiment partial structurtes exploded view of loud speaker of the present invention.
Drawing reference numeral explanation:
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 implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining relative position relation, motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense, For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral;It can be mechanical connection, can also be Electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements or two The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as It indicates or implies its relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not the present invention claims guarantor Within the scope of shield.
The present invention proposes that Bidirectional sounding may be implemented in a kind of portable terminal, the portable terminal.
As shown in Fig. 1 to Fig. 8 in one embodiment, which includes:Shell 2 and loud speaker 3, in the shell 2 There is accommodating cavity, the loud speaker 3 to be mounted on the accommodating cavity in portion,
There is the shell 2 front being oppositely arranged and reverse side, the front to offer the first acoustic aperture 21, and the reverse side is opened Equipped with the second acoustic aperture 22;The loud speaker 3 includes the first vibrational system 31, the second vibrational system 32, magnetic circuit system 33, wherein
First vibration, 31 systems include the first vibrating diaphragm 110 and the voice coil 120 set on first vibrating diaphragm, 110 inside; Second vibrational system 32 includes the second vibrating diaphragm 210 being oppositely arranged with first vibrating diaphragm 110;
Space between first vibrating diaphragm, 110 and second vibrating diaphragm 120 is divided into first operatic tunes 35 by the magnetic circuit system 33 And second operatic tunes 36, the voice coil 120 are contained in the magnetic gap 360 of the magnetic circuit system 33;
Through-hole 390 is equipped between first operatic tunes, 35 and second operatic tunes 36, first vibrating diaphragm 110 passes through the through-hole 390 link with second vibrating diaphragm 210;
First vibrating diaphragm 110 is connected to away from the space of second vibrating diaphragm 210 with first acoustic aperture 21, and described first Acoustic aperture 21 is for conducting the sound that first vibrating diaphragm 110 is sent out;
Second vibrating diaphragm 210 is connected to away from the space of first vibrating diaphragm 110 with second acoustic aperture 22, and described second Acoustic aperture 22 is for conducting the sound that second vibrating diaphragm 210 is sent out.
In the present embodiment, the first vibrational system 31 can refer to existing form, and specifically, voice coil 120 shakes with first Film 110 is fixedly connected with and stretches into magnetic gap 360, and the electric current of the connection variation of voice coil 120 is then shaken by different size of Ampere force Dynamic, the vibration of voice coil 120 drives the vibration of the first vibrating diaphragm 110, and energy conversion mode is electric energy-mechanical energy-acoustic energy.In order to adjust The frequency characteristic of vibration, the first vibrational system 31 may also include clump weight.Compared to the first vibrational system 31, second vibration system One main distinction of system 32 is that the inside of second vibrational system 32 is not provided with voice coil.
The form of magnetic circuit system 33 can also refer to existing structure, such as magnetic gap 360 can both be formed in center magnetic Between steel 320 and side magnet steel, it can also be formed between center magnet steel 320 and the side wall of conductive magnetic yoke 310.Center magnet steel 320 is bowed It can be circle or round rectangle etc. to regard shape both.
Through-hole 390 opens up form, can only be opened on the bottom wall of conductive magnetic yoke 310 corresponding connection magnetic gap and second The operatic tunes 36, or be opened in the side of center magnet steel 320 and penetrate through the bottom of conductive magnetic yoke 310 after downward bending in center magnet steel 320 Wall, if it can be connected to first operatic tunes 35 and second operatic tunes 36, and the circulation area size of through-hole 390 is enough to make to circulate in through-hole Air-flow can push and place connector in 210 sounding of the second vibrating diaphragm and/or through-hole 390, the connector is respectively with first Vibrational system 31 and the connection of the second vibrational system 32 pass through the first vibration 31 the second vibrational system of system drive, 32 sounding.
First vibrational system 31, the second vibrational system 32 and positioned at magnetic circuit system 33 between the two in order to facilitate the installation of, Loud speaker 3 further includes shell 34, protecgulum 430 and rear cover 440, and shell 34 is for accommodating the first vibrational system 31, the second vibration system System 32 and magnetic circuit system 33.Protecgulum 430 and rear cover 440 cooperatively form protect-ing frame structure with shell 34, specifically, the first vibrating diaphragm 110 The first fixed part 113 for fixing be clamped by protecgulum 430 and shell 34, for fixing the second of the second vibrating diaphragm 210 is solid Determine portion 213 to be clamped by rear cover 440 and shell 34.Protecgulum 430 corresponds to first vibrational system 31 and is arranged and equipped with being emitted for sound Before go out acoustic aperture 431, rear cover 440 correspond to the second 32 systems of vibration be simultaneously equipped be emitted for sound after go out acoustic aperture 441.
The loud speaker 3 of the portable terminal 1 of the present invention is by using two sets of vibrational systems (31,32) of setting, but only with one Set voice coil 120 and magnetic circuit system 33 are to realize that it is small that the structure of Bidirectional sounding occupies, convenient for being widely used in portable terminal. When the loud speaker 3 of the present invention works, the first vibrating diaphragm 110 is first directly driven by magnetic circuit system 33 so that the air of first operatic tunes 35 Compression or expansion, due to being connected to equipped with through-hole 390 between first operatic tunes 35 and second operatic tunes 36, and the first vibrating diaphragm 110 passes through The through-hole 390 and second vibrating diaphragm 210 link, the second vibrating diaphragm 210 of the second vibrational system 32 vibration sounding therewith, and second The linkage of the operatic tunes 36 expansion or compression, are consequently formed positive first vibrating diaphragm 110 and actively radiate, and the second vibrating diaphragm 210 of reverse side is passive The Bidirectional sounding structure of radiation.The loud speaker 3 of the portable terminal 1 of the present invention passes through the first vibrational system 31 and the second vibrational system 32 can be respectively to the positive and negative both direction sounding of portable terminal.
Further, the through-hole 390 is arranged on the magnetic circuit system 33.The through-hole 390 is arranged in magnetic circuit system The volume of loud speaker can be effectively reduced on system 33.
Further, as it can be seen in figures 5 and 6, the magnetic circuit system 33 is including conductive magnetic yoke 310 and is set to the conductive magnetic yoke 310 On center magnetic path portion and side magnetic circuit part (not indicated in figure);
The magnetic gap 360 for accommodating the voice coil 120 is formed between the center magnetic path portion and side magnetic circuit part;
The through-hole 390 includes the central through hole 391 of the corresponding conductive magnetic yoke 310 and center magnetic path portion setting;
And/or described through-hole 390 includes the side for being arranged in the conductive magnetic yoke 310 and being located on the outside of center magnetic path portion Through-hole 392,313.
It is understood that for the center magnetic path portion and the side magnetic circuit part, at least one is permanent magnet. In the present embodiment, since the amplitude in 110 centre of the first vibrating diaphragm is usually maximum, by the way that the correspondence of central through hole 391 first is shaken The centre setting of film 110 can transmit larger amount of air-flow, and then preferably the air-flow be utilized to push the second vibrating diaphragm 210.
Further, as shown in Fig. 2 to Fig. 8, the center magnetic path portion of the magnetic circuit system 33 includes being set to conductive magnetic yoke 310 On center magnet steel 320, and the center magnetic conductive board 340 set on the top of center magnet steel 320;
First through hole 312 is offered in conductive magnetic yoke 310, center magnet steel 320 offers the second through-hole 321, center magnetic conductive board Third through-hole 341 is offered on 340, first through hole 312, the second through-hole 321 and the connection of third through-hole 341 form central through hole 391。
In the present embodiment, central through hole 391 directly penetrates through conductive magnetic yoke 310, center magnet steel 320 and center magnetic conductive board 340, Form is simple, may advantageously facilitate the gas circulation between first operatic tunes 35 and second operatic tunes 36.
Further, as shown in figure 8, the first vibrating diaphragm 110, the second vibrating diaphragm 210 and center magnet steel 320 are strip, the The long axis of one vibrating diaphragm 110, the second vibrating diaphragm 210 and center magnet steel 320 is located in same vertical plane, and central through hole 391 is along center magnetic The length direction of steel 320 extends.
In the present embodiment, it is to be understood that vertical plane is the plane for being parallel to upper and lower directions, due to the first vibrating diaphragm 110, the second vibrating diaphragm 210 and center magnet steel 320 are strip, and correspondingly the shape of loud speaker is also strip, compares circle, This structure space availability ratio higher when applied to portable terminal.Meanwhile under the premise of equal area, the first of strip Vibrating diaphragm 110 and the second vibrating diaphragm 210 are easier to obtain the amplitude of bigger, can be actively logical to center for the first vibrating diaphragm 110 A greater amount of air are agitated in hole 391, and the air-flow that the second vibrating diaphragm 210 is easier to be flowed through central through hole 291 pushes.
Further, in the present embodiment, by the way that side through-hole 392,313 is arranged, then further in conjunction with central through hole 391 The connectivity between first operatic tunes 35 and second operatic tunes 36 is increased, and then when the vibration of the first vibrating diaphragm 110, can be had in the unit interval There can be flowing of more air between first operatic tunes 35 and second operatic tunes 36, the second vibrating diaphragm 210 also can be by more Ground drives.Since 340 closest second operatic tunes 36 of center magnet steel 320 and center magnetic conductive board is compared in the bottom of conductive magnetic yoke 310, because And the bottom processing that side through-hole 392,313 is opened in conductive magnetic yoke 310 is also the most convenient.
It is understood that side through-hole 392 be provided with it is at least one, in order to increase circulation area, side through-hole as much as possible 392 be provided with it is multiple, multiple side through-holes 392 along magnetic gap 360 circumferentially-spaced arrangement, in this way, can both ensure the flat of connection Weighing apparatus property can be such that magnetic circuit equilibrium is connected to again.
Further, as shown in Figures 1 to 6, the first vibrating diaphragm 110 deviates from the sound of 210 side of the second vibrating diaphragm generation by people Ear is received, and the sound that the second vibrating diaphragm 210 is generated away from 110 side of the first vibrating diaphragm is received by human ear.In the present embodiment, first Vibrating diaphragm 110 and the second vibrating diaphragm 210 can generate the sense of hearing resonant range of sound positioned at people, for example, frequency range 20~ 20000HZ, in this way, user can directly receive acoustic information from the positive and negative both direction of loud speaker.It is understood that at it In his embodiment, the first vibrating diaphragm 110 and the second vibrating diaphragm 210 can be additionally used in the sound for generating other frequency ranges, such as human ear is listened Feel " sound password " that respective range is, this sound can be decoded by machine, to realize corresponding signal transmission.
Further, as shown in Figure 5 and Figure 6, second vibrating diaphragm 210 includes the second central part 211, surrounds described second The second ring portion 212 that central part 211 is arranged and the second fixed part 213 around the setting of the second ring portion 212.
Second central part 211 is plane platelet structures, and the second ring portion 212 is the structure being made of a protrusion, or Second ring portion 212 is by least one protrusion and at least one wavy shaped configuration constituted that is recessed.
In the present embodiment, the second central part 211 to experience air in second operatic tunes 36 density change and shake therewith The i.e. passive radiation sounding of dynamic sounding, by setting the second central part 211 to plane platelet structures, such second vibrating diaphragm 210 exists The space occupied is smaller in upper and lower directions, and can generate sufficiently large amplitude.And the second ring portion 212 is the second central part 211 movement provides centainly pliable, that is, provides certain flexibility, and the second central part 211 is allowed to be easier to be flowed through center The air-flow of through-hole 391 and side through-hole 392,313 pushes.
Further, second vibrating diaphragm 210 further includes the second reinforcement part 214, in second reinforcement part 214 and second Center portion 211 combines.The second reinforcement part 214, which is arranged, can reduce the quality of the second vibrating diaphragm 210, ensure the second vibrating diaphragm 210 be more easy to by Air-flow pushes.Preferably, in order to ensure that 210 vocal performance of the second vibrating diaphragm is more excellent, the second reinforcement part 214 is using the high material of specific modulus Matter, for example, aluminium composite, aluminium, almag, magnesium lithium alloy material, carbon fiber, PEN (polyethylene naphthalate), LCP (Liquid CrystalPolymer liquid crystal polymers), foaming body etc..
Further, due to the second vibrating diaphragm 210 be using passive radiation sounding, in order to ensure the second vibrating diaphragm 210 be more easy to by Air-flow pushes, and the second vibrating diaphragm 210 is using the relatively low material of elasticity modulus, if for example, the first vibrating diaphragm 110 and the second vibrating diaphragm 210 Include central part, around the ring portion of central part setting and around the fixed part of ring portion setting, i.e. two vibrating diaphragms use one The structure of cause, then less than the elasticity modulus of the first vibrating diaphragm central part 111, second shakes the elasticity modulus of the second vibrating diaphragm central part 211 The elasticity modulus in film ring portion 212 is less than the elasticity modulus in the first vibrating diaphragm ring portion 112.
Further, first vibrating diaphragm 110 includes the first central part 111, around the first of the setting of the first central part 111 Ring portion 112 and the first fixed part 113 being arranged around the first ring portion 112, the first central part 111 of first vibrating diaphragm For plane platelet structures.Similarly, by setting the first vibrating diaphragm central part 111 to plane platelet structures, such first vibrating diaphragm 110 in the up-down direction the space occupied it is smaller, and sufficiently large amplitude can be generated.Combining the of the second vibrating diaphragm 210 After two central parts 211 are also configured as the embodiment of laminated structure, loudspeaker body provided by the invention generally forms upper and lower directions Compared with thin structure, so, it is easier to apply in flat-shaped installation space.
Further, as shown in Fig. 2, first vibrating diaphragm 110 further includes the first reinforcement part 114, first reinforcement part 114 are combined with the first central part 111.The first reinforcement part 114, which is arranged, can reduce the quality of the first vibrating diaphragm 110, ensure that first shakes Film 110 is more easy to be pushed by air-flow.Preferably, in order to ensure that 110 vocal performance of the first vibrating diaphragm is more excellent, the first reinforcement part 114 uses The high material of specific modulus, for example, aluminium composite, aluminium, almag, magnesium lithium alloy material, carbon fiber, PEN (poly- naphthalenedicarboxylic acids Glycol ester), LCP (LiquidCrystal Polymer liquid crystal polymers), foaming body etc..
As shown in figure 9, for the loadspeaker structure schematic diagram in second embodiment of the invention, wherein the loud speaker 3 also wraps Include the first connector 37, first connector 37 is set in the through-hole, the upper end of first connector 37 and described the One vibrating diaphragm 110 is fixedly connected, and lower end is fixedly connected with second vibrating diaphragm 210.Specifically, first connector 37 is set to institute It states in central through hole 391.
In the present embodiment, the through-hole 390 in implementing in conjunction with first includes the corresponding conductive magnetic yoke 310 and center magnetic path portion Set up the central through hole 391 set separately, and corresponds to the magnetic gap 360 and/or voice coil 120 and be arranged in the conductive magnetic yoke 310 Side through-hole 392,313;It is understood that connector 37 is provided only in central through hole 391, side through-hole 392,313 is used for Air-flow is connected, which is used for the second vibrating diaphragm of auxiliary pushing 210;Or it is provided only in side through-hole 392,313, central through hole 391 For by air-flow, which to be used for the second vibrating diaphragm of auxiliary pushing 210;Or connector 37 is separately positioned in central through hole 391, And in side through-hole 392,313, connector 37 transmits vibrations to the second vibrating diaphragm 210.
Connection between first connector 37 and the first vibrating diaphragm 110 and the second vibrating diaphragm 210 can be glue bonding, or note Modeling is integrally formed connection.It is provided in the embodiment of reinforcement part in the first vibrating diaphragm 110 and the second vibrating diaphragm 210, the first connector 37 It can be connect with reinforcement part.The shape of reinforcement part can be tabular, device or top dome shape of asperities etc..In order to ensure The weight of component is reduced under the premise of intensity, the material of the first connector 37 includes but not limited to Paper (papery), Kapton The metal materials such as (polyimides (PI) thin-film material), expanded material, carbon fibre material, aluminium foil/magnesium alloy/magnesium lithium alloy, PEN (polyethylene naphthalate)/PI (polyimides)/LCP (Liquid Crystal Polymer liquid crystal polymers)/PC The plastic materials or porous material etc. such as (makrolon)/PPA (Polyphthalamide polyphthalamides).First connection The processing method of part including but not limited to:Coiling, blowing, injection molding, punching press, machining, 3D printing.
In the present embodiment, to simplify the description, position when the first vibrating diaphragm 110 of loud speaker 3 being placed upward is ginseng It examines and defines up and down, is i.e. the first vibrating diaphragm 11 is upper backwards to the side of magnetic circuit system 33, and the first vibrating diaphragm 110 is towards the one of magnetic circuit system 33 Under side is.
When the speaker operation of the present embodiment, the first vibrating diaphragm of the first vibrational system 31 is first directly driven by magnetic circuit system 33 110, due to being connected to equipped with through-hole 390 between first operatic tunes 35 and second operatic tunes 36, the first connector 37 is set to central through hole 391 Interior and both ends are fixedly connected with the first vibrating diaphragm 110 and the second vibrating diaphragm 210 respectively, therefore, in the promotion or drawing of the first connector 37 Under dynamic, the vibrating diaphragm synchronous vibration sounding of the second vibrational system 32, i.e. the first vibrating diaphragm 110 and the second vibrating diaphragm 210 linkage sounding.And And while the first vibrating diaphragm 110 and the second vibrating diaphragm 210 link sounding, due to the sky in first operatic tunes 35 and second operatic tunes 36 It is so incensed that the draught head of the two is smaller, is made to the vibration of the first vibrating diaphragm 110 and the second vibrating diaphragm 210 mutually to circulate by through-hole 390 At resistance it is also relatively small, so as to realize more preferably acoustical behavior.Side through-hole 392,313 further increases Connectivity between one operatic tunes 35 and second operatic tunes 36, and then when the vibration of the first vibrating diaphragm 110, unit interval interior energy has more skies Flowing of the gas between first operatic tunes 35 and second operatic tunes 36, the air pressure between first operatic tunes 35 and second operatic tunes 36 are more equal Weighing apparatus, caused by resistance smaller.
As shown in Figure 10, it is the loadspeaker structure schematic diagram in third embodiment of the invention, wherein first vibrating diaphragm 110 include the first central part 111 and are incorporated into the first reinforcement part 114 of first central part 111;Second vibrating diaphragm 210 Including the second central part 211 and it is incorporated into the second reinforcement part 214 of second central part 211;First reinforcement part 114 And/or second protrusion in reinforcement part 214 stretch into the central through hole 391 to realize the first vibrating diaphragm 110 and the second vibrating diaphragm 210 mutually It is fixedly connected.
Further, first protrusion of first reinforcement part 114 including stretching into the central through hole 391, described second Reinforcement part 214 includes the second protrusion for stretching into the central through hole 391, and first protrusion and second protrusion are in described It is fixedly connected in heart through-hole 391.The setting tapered in opposite directions of first protrusion and/or the second protrusion.
In the present embodiment, when speaker operation, first the first of the first vibrational system is directly driven by magnetic circuit system 33 and shaken Film 110, due to being connected to equipped with through-hole between first operatic tunes 35 and second operatic tunes 36, the first reinforcement part 114 and the second reinforcement part 214 Middle at least one stretches into central through hole 391 to be fixedly connected, and therefore, the second vibrating diaphragm 210 of the second vibrational system 32 synchronizes Vibration sounding, i.e. the first vibrating diaphragm 110 and the second vibrating diaphragm 210 linkage sounding.Also, in the first vibrating diaphragm 110 and the second vibrating diaphragm 210 While dynamic sounding, since first operatic tunes 35 and the air in second operatic tunes 36 are able to mutually circulate by through-hole, the gas of the two Pressure difference is smaller, also relatively small to the first vibrating diaphragm 110 and resistance caused by the vibration of the second vibrating diaphragm 210, so as to realize more Excellent acoustical behavior.Moreover, be directly connected to by the first reinforcement part 114 and/or the 214 molding structure of protrusion of the second reinforcement part, To two vibrational systems of driving, reduces technology difficulty, is readily produced manufacture, the first reinforcement part 114 and/or the second reinforcement part 214 forming costs are low, save individual connector, and overall cost further decreases.
As shown in figure 11, it is the loadspeaker structure schematic diagram in fourth embodiment of the invention, it is similar with 3rd embodiment.Its In, the middle part of the conductive magnetic yoke 310 is formed with first through hole 312, and the edge of the first through hole 312 is to the first vibrating diaphragm 110 Direction bending extends to form flange 311, and the flange 311 forms the center magnetic path portion, and the flange is enclosed described Central through hole 391;The magnet steel 330 when magnetic circuit part includes being set to flange periphery, and it is set to the side magnet steel The side magnetic conductive board 350 at 330 tops.
In the present embodiment, when speaker operation, first the first of the first vibrational system is directly driven by magnetic circuit system 33 and shaken Film 110, due to being connected to equipped with through-hole between first operatic tunes 35 and second operatic tunes 36, the first reinforcement part 114 and the second reinforcement part 214 Middle at least one stretches into central through hole 391 to be fixedly connected, and therefore, the second vibrating diaphragm 210 of the second vibrational system, which synchronizes, to shake Dynamic sounding, i.e. the first vibrating diaphragm 110 and the second vibrating diaphragm 210 linkage sounding.In the first through hole 312 of conductive magnetic yoke 310 is formed Heart flange 311, which forms the center magnetic path portion, and the flange is enclosed central through hole 391, such magnetic Line structure can provide more sufficient space for the protrusion connection of the first reinforcement part 114 and/or the second reinforcement part 214, raised Position accounts for the first reinforcement part 114 and/or the ratio of the second reinforcement part 214 and can do more, to obtain more excellent high frequency Performance.
It is the loadspeaker structure schematic diagram of fifth embodiment of the invention as shown in Figure 12 to 14.Wherein, the loud speaker is also Including the second connector 38, one end of second connector 38 is fixedly connected with the voice coil 12, and the other end is movable to be passed through The side through-hole 392 is simultaneously fixedly connected with second vibrating diaphragm 210.Second connector 38 and above-mentioned first connector 37 Material is consistent.
In the present embodiment, the second vibrational system 32 is not directly connected to the first vibrational system 31, the second vibrational system 32 Connect with the first vibrational system 31 by voice coil 120, and the second vibrational system 32 and voice coil 120 be not also be directly connected to, but It is connect with voice coil 120 by independent second connector 38, the second connector 38 glues respectively with voice coil 120 and the second vibrating diaphragm 210 It connects.In speaker operation, the vibration of voice coil 120 can be transferred to the second vibrating diaphragm 210 by the second connector 38 in real time, ensure that First vibrational system 31 is consistent with the vibrational state of the second vibrational system 32.Wherein, which is to be fabricated separately, phase It is made compared with together with other components, technology difficulty is low, and independently separated the second connector 38 can ensure that its structure is strong On the basis of degree, pass through the adjustment of material so that its quality is most light, and the performance to voice coil 120 is avoided to cause damages.
Further, the conductive magnetic yoke 310 including two long sides being oppositely arranged and is located at two long side both ends Two short sides, the center magnetic path portion is located at the middle part of the conductive magnetic yoke 310, and (center magnet steel 320 is located in conductive magnetic yoke 310 Portion), it is described while magnetic circuit part be located at the opposite sides of the center magnetic path portion and along the long side extend (while magnet steel 330 The both sides opposite positioned at center magnet steel 320), the position that the conductive magnetic yoke 310 corresponds to each short side offers the side Through-hole 313.By opening up side through-hole 313 in the short side of the conductive magnetic yoke 310 so that have sufficient space to place the second connection Part 38 ensures the linkage of the first vibrational system 31 and the second vibrational system 32.It is understood that the side through-hole 313 plays The effect of evacuation.
It is the loadspeaker structure schematic diagram of sixth embodiment of the invention as shown in Figure 15 to 18.Wherein, the voice coil 120 Including the voice coil ontology 122 being mutually fixed by socket and speech coil framework 121, the speech coil framework 121 is far from first vibrating diaphragm 110 One end movable wear the side through-hole 313 and be fixedly connected with second vibrating diaphragm 210.
In the present embodiment, the first vibrational system 31 is connect with the second vibrational system 32, and the first vibrational system 31 passes through sound Ring framework 121 is Nian Jie with the second vibrating diaphragm 210.In speaker operation, speech coil framework 121 can be in real time by the vibration of voice coil 120 It is transferred to the second vibrating diaphragm 210, ensure that the first vibrational system 31 is consistent with the vibrational state of the second vibrational system 32.Wherein, sound 121 structural strength of ring framework is higher, and during production, skeleton is not easy to deform in processing procedure, and conducive to manufacturing, and it is high Frequency range vibration transmission effect is good, and high frequency performance performance is outstanding.Further, it is also possible to according to performance requirement, voice coil in speech coil framework Position can arbitrarily be adjusted, and be convenient for the Optimization Debugging of properties of product.
Further, the conductive magnetic yoke 310 including two long sides being oppositely arranged and is located at two long side both ends Two short sides, the center magnetic path portion is located at the middle part of the conductive magnetic yoke 310, and the side magnetic circuit part is located at the center magnetic The opposite sides of road part simultaneously extends along the long side, and the position that the conductive magnetic yoke 310 corresponds to each short side opens up There is the side through-hole 313.By opening up side through-hole 313 in the short side of the conductive magnetic yoke 310 so that have sufficient space to make 121 activity of speech coil framework, ensures the linkage of the first vibrational system 31 and the second vibrational system 32.It is understood that the side Through-hole 313 plays the role of evacuation.
It is the loadspeaker structure schematic diagram of seventh embodiment of the invention as shown in Figure 19 to Figure 21.Second vibrating diaphragm 210 Including the second central part 211 and it is incorporated into the second reinforcement part 214 of second central part 211;
Second reinforcement part 214 is equipped with the extension 2141 towards first vibrating diaphragm 110, and the extension 2141 can Activity is set in the side through-hole 313 and is fixed to the voice coil 120.
The extension 2141 is Nian Jie with the bottom of voice coil 120.In the present embodiment, the first vibrational system 31 and second is vibrated System 32 connects, and the voice coil 120 of the first vibrational system 31 is Nian Jie with the extension 2141 of the second vibrating diaphragm 210.In speaker operation When, the vibration of voice coil 120 can be transferred to the second vibrating diaphragm 210 by voice coil 120 in real time, ensure that the first vibrational system 31 and second The vibrational state of vibrational system 32 is consistent.Wherein, the second reinforcement part 214 is integrally formed out extension 2141, second reinforcement Portion 214 can not only fill the dome of the second vibrational system 32, but can realize with the connection of the first vibrational system 31, save component, Reduce cost.
As shown in figure 22, it is the loadspeaker structure schematic diagram of eighth embodiment of the invention.With reference to a upper embodiment, described Two vibrating diaphragms 210 include the second central part 211 and the second reinforcement part 214 for being incorporated into second central part 211;
Second reinforcement part 214 is equipped with the extension 2141 towards first vibrating diaphragm 110;
Movable be set in the side through-hole 313 of the extension 2141 is fixed to first vibrating diaphragm 110.
The extension 2141 is Nian Jie with the bottom of the first vibrating diaphragm 110.In the present embodiment, the first vibrational system 31 and second Vibrational system 32 connects, and the first vibrating diaphragm 110 of the first vibrational system 31 is Nian Jie with the extension 2141 of the second vibrating diaphragm 210.It is raising When sound device works, the first vibrating diaphragm 110 can transmit these vibrations to the second vibrating diaphragm 210 in real time, ensure that 31 He of the first vibrational system The vibrational state of second vibrational system 32 is consistent.Wherein, the second reinforcement part 214 is integrally formed out extension 2141, this second Reinforcement part 214 can not only fill the dome of the second vibrational system, but can realize with the connection of the first vibrational system 31, save portion Part reduces cost.
Further, the conductive magnetic yoke 310 including two long sides being oppositely arranged and is located at two long side both ends Two short sides, the center magnetic path portion is located in the middle part of the conductive magnetic yoke, and the side magnetic circuit part is located at the center magnetic path Partial opposite sides simultaneously extends along the long side, and the position that the conductive magnetic yoke 310 corresponds to each short side offers The side through-hole 313.By opening up side through-hole 313 in the short side of the conductive magnetic yoke 310 so that have sufficient space to prolong Extending portion activity ensures the linkage of the first vibrational system 31 and the second vibrational system 32.It is understood that the side through-hole 313 Play the role of side through-hole simultaneously.
As shown in Figure 23 to Figure 25, it is the loadspeaker structure schematic diagram of ninth embodiment of the invention.The loud speaker also wraps Include auxiliary system;
The auxiliary system shell 34, first vibrational system 31, the second vibrational system 32 and the magnetic circuit system 33 It is installed on the shell 34;
The shell 34 includes the upper casing 410 mutually spliced and lower casing 420;
The center magnetic path portion includes the center magnet steel 320 being set in the conductive magnetic yoke 310, and is set to center magnet steel The center magnetic conductive board 340 at 320 tops;The magnet steel 330 when magnetic circuit part includes being set to 320 periphery of the center magnet steel, And set on the while magnetic conductive board 350 at 330 top of magnet steel;
The lower casing 420 is fixed in the injection molding of the conductive magnetic yoke 310;The upper casing is fixed in the injection molding of side magnetic conductive board 350 410。
In the present embodiment, by the way that the injection molding of conductive magnetic yoke 310 is fixed on lower casing 420 so that conductive magnetic yoke 310 and lower casing 420 It is led so as to reduce the assembling process of conductive magnetic yoke 310 and shell to solve as the independent parts that one is wholely set Yoke 310 assembles inconvenient problem with shell 34;For the loud speaker of small volume, it is greatly improved its assembly Efficiency.Meanwhile the injection molding of conductive magnetic yoke 310 being fixed on lower casing 420, the bonding strength of conductive magnetic yoke 310 and lower casing 420 can be improved, It to which the bonding strength between conductive magnetic yoke 310 and shell 34 can be improved, prevents and loosens, so as to promote speaker product Reliability.Upper casing 410 further is fixed in the injection molding of side magnetic conductive board 350, when assembling upper casing 410 and lower casing 420, work can be reduced Skill step improves assembling precision.
Tenth embodiment of the invention, the present embodiment is similar with the 5th embodiment or the 9th embodiment, difference lies in, reference can be made to Figure 26:
The side through-hole 313 includes spaced two;
Second connector 38 includes that connecting bottom board 810 and the multiple connections being convexly equipped on the connecting bottom board 810 are convex Portion 820, connecting bottom board 810 can or integrated molding Nian Jie with Connection protrusion 820 or other connection types;The connecting bottom board 810 It is fixedly connected with second vibrating diaphragm 210 (as Nian Jie), the end of the Connection protrusion 820 is corresponded respectively across the side Through-hole 313 and be fixedly connected (Nian Jie) with first vibrating diaphragm 110.
The connecting bottom board 810 is set as rectangular, round, track type or ellipse, and the connecting bottom board 810 is in hollow out Shape is arranged.
In the present embodiment, the second vibrational system 32 is not directly connected to the first vibrational system 31, the second vibrational system 32 It is connect with the first vibrational system 31 by the second connector 38, the second connector 38 glues respectively with voice coil 120 and the second vibrating diaphragm 210 It connects.In speaker operation, the second connector 38 can in real time by vibration be transferred to the second vibrating diaphragm 210, ensure that first shakes Dynamic system 31 is consistent with the vibrational state of the second vibrational system 32.Wherein, second connector 38 be fabricated separately, compare and Other components make together, and technology difficulty is low, and independently separated the second connector 38 can be in the base for ensureing its structural strength On plinth, pass through the adjustment of material so that its quality is most light.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly In the scope of patent protection that other related technical areas are included in the present invention.

Claims (17)

1. a kind of portable terminal, including shell and loud speaker, there is the enclosure interior accommodating cavity, the loud speaker to be mounted on institute State accommodating cavity, which is characterized in that
The shell has the front that is oppositely arranged and a reverse side, and the front offers the first acoustic aperture, and the reverse side offers the Two acoustic aperture;The loud speaker includes the first vibrational system, the second vibrational system, magnetic circuit system, wherein
First vibrational system includes the first vibrating diaphragm and the voice coil on the inside of first vibrating diaphragm;Second vibrational system It include the second vibrating diaphragm being oppositely arranged with first vibrating diaphragm;
Space between first vibrating diaphragm and the second vibrating diaphragm is divided into first operatic tunes and second operatic tunes by the magnetic circuit system, described Voice coil is contained in the magnetic gap of the magnetic circuit system;
Through-hole is equipped between first operatic tunes and second operatic tunes, first vibrating diaphragm passes through the through-hole and second vibrating diaphragm Linkage;
First vibrating diaphragm is connected to away from the space of second vibrating diaphragm with first acoustic aperture, and first acoustic aperture is for conducting The sound that first vibrating diaphragm is sent out;
Second vibrating diaphragm is connected to away from the space of first vibrating diaphragm with second acoustic aperture, and second acoustic aperture is for conducting The sound that second vibrating diaphragm is sent out.
2. portable terminal as described in claim 1, which is characterized in that the through-hole is arranged on the magnetic circuit system.
3. portable terminal as claimed in claim 2, which is characterized in that the magnetic circuit system includes conductive magnetic yoke and led set on described Center magnetic path portion in yoke and side magnetic circuit part;
The magnetic gap for accommodating the voice coil is formed between the center magnetic path portion and side magnetic circuit part;
The through-hole includes the central through hole of the corresponding conductive magnetic yoke and center magnetic path portion setting;
And/or the through-hole includes the side through-hole for being arranged in the conductive magnetic yoke and being located on the outside of center magnetic path portion.
4. portable terminal as claimed in claim 3, which is characterized in that the loud speaker further includes the first connector, and described A connection piece be set to the central through hole in, the upper end of first connector is fixedly connected with first vibrating diaphragm, lower end and Second vibrating diaphragm is fixedly connected.
5. portable terminal as claimed in claim 3, which is characterized in that the loud speaker further includes the second connector, and described Two connectors pass through the side through-hole, the upper end of second connector to be fixedly connected with first vibrating diaphragm or voice coil, lower end It is fixedly connected with second vibrating diaphragm.
6. portable terminal as claimed in claim 5, which is characterized in that
The side through-hole includes spaced multiple;
Second connector includes connecting bottom board and multiple Connection protrusions for being convexly equipped on the connecting bottom board, the connection bottom Plate is fixedly connected with one of in first vibrating diaphragm and the second vibrating diaphragm, and the end difference of multiple Connection protrusions is one by one Correspondence is fixedly connected across multiple side through-holes with another in first vibrating diaphragm and second vibrating diaphragm.
7. portable terminal as claimed in claim 6, which is characterized in that the connecting bottom board is set as rectangular, round, track type Or ellipse, and/or, the connecting bottom board is arranged in Openworks shape.
8. portable terminal as claimed in claim 3, which is characterized in that first vibrating diaphragm includes the first central part and is incorporated into First reinforcement part of first central part;Second vibrating diaphragm includes the second central part and is incorporated into second central part Second reinforcement part;In first reinforcement part and/or the second reinforcement part protrusion stretch into the central through hole realize the first vibrating diaphragm and Second vibrating diaphragm is mutually permanently connected.
9. portable terminal as claimed in claim 8, which is characterized in that first reinforcement part includes stretching into the central through hole The first protrusion, second reinforcement part includes the second protrusion for stretching into the central through hole, first protrusion and described Two protrusions are fixedly connected in the central through hole.
10. portable terminal as claimed in claim 9, which is characterized in that first protrusion and/or the second protrusion are tapered in opposite directions Setting.
11. portable terminal as claimed in claim 3, which is characterized in that the voice coil includes the voice coil sheet being mutually fixed by socket Body and speech coil framework, the one end of the speech coil framework far from first vibrating diaphragm is movable to wear the side through-hole and with described Two vibrating diaphragms are fixedly connected.
12. portable terminal as claimed in claim 3, which is characterized in that second vibrating diaphragm includes the second central part and combination In the second reinforcement part of second central part;
Second reinforcement part is equipped with the extension towards first vibrating diaphragm, and the extension is movable, and to be set in the side logical The voice coil is fixed in hole.
13. portable terminal as claimed in claim 3, which is characterized in that second vibrating diaphragm includes the second central part and combination In the second reinforcement part of second central part;
Second reinforcement part is equipped with the extension towards first vibrating diaphragm;
Movable be set in the side through-hole of the extension is fixed to first vibrating diaphragm.
14. portable terminal as claimed in claim 3, which is characterized in that the loud speaker further includes auxiliary system;
The auxiliary system includes shell, and first vibrational system, the second vibrational system and the magnetic circuit system are installed on institute State shell;
The shell includes the upper casing and lower casing mutually spliced, and first vibrating diaphragm is fixed on the upper casing, second vibrating diaphragm It is fixed on the lower casing;
The center magnetic path portion includes the center magnet steel being set in the conductive magnetic yoke, and the center at the top of the magnet steel of center Magnetic conductive board;The magnet steel when magnetic circuit part includes being set to center magnet steel periphery, and at the top of the side magnet steel Side magnetic conductive board.
15. portable terminal as claimed in claim 14, which is characterized in that the lower casing is fixed in the conductive magnetic yoke injection molding;Institute It states side magnetic conductive board injection molding and is fixed on the upper casing.
16. portable terminal as described in claim 1, which is characterized in that first vibrating diaphragm includes in the first of planar sheet Center portion, around the first ring portion of first central part setting and around the first fixed part of the first ring portion setting;
Or, first vibrating diaphragm includes the first central part of planar sheet, the first reinforcement part combined with the first central part surrounds First ring portion of the first central part setting and the first fixed part around the setting of the first ring portion.
17. portable terminal as described in claim 1, which is characterized in that second vibrating diaphragm includes in the second of planar sheet Center portion, around the second ring portion of second central part setting and around the second fixed part of the second ring portion setting;
Or, second vibrating diaphragm includes the second central part of planar sheet, the second reinforcement part combined with the second central part surrounds Second ring portion of the second central part setting and the second fixed part around the setting of the second ring portion.
CN201810664772.3A 2018-06-25 2018-06-25 Portable terminal Pending CN108632727A (en)

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