CN205510380U - Multi -function device with vibration function and sound producing function - Google Patents

Abstract

The utility model discloses a multi -function device with vibration function and sound producing function, including external shell body and vibration system, magnetic circuit and elastic support elements, magnetic circuit supports fixed suspension in external shell body by elastic support elements, vibration system includes vibrating diaphragm and voice coil loudspeaker voice coil, external shell body is the metal material, external shell body's inboard is fixed with conduction part, the lead wire and the conduction part electric connection of voice coil loudspeaker voice coil, the last electricity of conduction part is connected with the electric connector who extends to the external shell body outside, electric connector and external circuit switch on, external shell body's border position is equipped with the injection molding of integrative injection moulding's plastics material, it is fixed that electric connector passes through the injection molding, the injection molding does not surpass external shell body's transverse space on the horizontal direction. The utility model discloses a multi -function device can solve the problem that leads to the electrostatic breakdown under the prerequisite that adopts metal material shell easily by corresponding, guarantees to realize switching on of interior external circuit, sparingly occupies the inside assembly space of casing simultaneously, improves and produces the property ability.

Description

A kind of multi-function device with vibrating function and vocal function

Technical field

This utility model relates to electroacoustic field, is specifically related to a kind of have vibrating function and vocal function is many Functional device.

Background technology

Existing mobile terminal electronic installation, as a example by mobile phone, inside it not only need assembling can be with sounding Loudspeaker unit, simultaneously takes account of the needs of some quiet occasions, in addition it is also necessary to user is entered by assembling vibrating motor Row vibrational feedback, it is achieved the instantly prompting of incoming call, information etc..But, due to Current electronic product increasingly Develop to the direction of lightweight, slimming, if produced in the terminal that the assembly spaces such as mobile phone are smaller Assemble vibration unit and phonation unit on product simultaneously, bigger space can be taken undoubtedly；Ask to solve this Topic, people meet vibration and two functions of sounding by designing a kind of multi-functional acoustic element simultaneously, to subtract The space that little acoustic element takies.

The existing multi-function device with vibrating function and vocal function, is required to design corresponding electrical connection Structure realizes the conducting of peripheral circuits.In prior art, peripheral housing many employings plastics material of this device The moulding of matter, now, its electric connection structure still can use the knots such as the welding shell fragment of traditional injection class Structure, but, in some use the metal material product as peripheral housing, if continuing to use traditional being electrically connected Connecing mode, if drawing outside voice coil leads and being turned on by spot welding, voice coil leads periphery is used for being coated with internal gold The relatively thin insulating barrier belonging to wire is easier to be crashed to pieces, and now can cause short circuit, cause electrostatic breakdown, Thus the shell fragment that welds that cannot be continuing with being molded class completes the conducting of vibration-sound generating device and end product circuit. To sum up, it is necessary to a kind of novel electric connection mode for metal material shell mechanism is provided, lead in guarantee Electrostatic breakdown is effectively prevented on the premise of logical peripheral circuits.

Utility model content

Technical problem to be solved in the utility model is: provides a kind of and has vibrating function and vocal function Multi-function device, changes traditional by the way of injection class welding shell fragment realizes circuit turn-on so that it is adopting With metal material as peripheral housing in the case of, can either effective turning circuit, can prevent from again causing electrostatic Puncture.

To achieve these goals, this utility model is by the following technical solutions: one have vibrating function and The multi-function device of vocal function, including peripheral housing and be contained in the vibrational system in described peripheral housing, Magnetic circuit system and elastic supporting member for supporting optical member；Described magnetic circuit system is supported fixing by described elastic supporting member for supporting optical member and is suspended in institute State in peripheral housing；Described vibrational system includes vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of described vibrating diaphragm side, wherein, Described peripheral housing is metal material；The inner side of described peripheral housing is fixed with conduction element；Drawing of described voice coil loudspeaker voice coil Line is electrically connected with described conduction element；It is electrically connected with on described conduction element and extends to described peripheral hull outside Electrical connector；Described electrical connector turns on external circuit；The marginal position of described peripheral housing is provided with one The moulding of the plastic material of injection mo(u)lding, described electrical connector is fixed by described moulding；Described injection Part is in the horizontal direction without departing from the horizontal space of described peripheral housing.

Improving as one, the position that described peripheral housing combines with described moulding is provided with wedge-shaped slot, institute State and on moulding, be correspondingly provided with wedge shape sawtooth.

Improving as one, described peripheral housing includes the first housing and the second housing combined；Institute State conduction element to be fixed on described second housing.

Improving as one, described second housing is rectangular configuration；Described conduction element is combined in described second shell On two the long straight flanges/short straight flange of body diapire；Described conduction element is provided with pad, with the lead-in wire of voice coil loudspeaker voice coil described The internal point solid welding of the second housing is fixed；Described conduction element is fixed by reflow soldering with described electrical connector.

Improve as one, described pad, described electrical connector and for fixing the note of described electrical connector Plastic both corresponds to arrange at the corner positions of described second housing.

Improve as one, be provided with at the corner positions of the corresponding described peripheral housing of described elastic supporting member for supporting optical member and dodge Described electrical connector dodge unfilled corner.

Improving as one, described moulding is combined as a whole with described second housing, with the first housing laser It is welded and fixed.

Improving as one, described conduction element is FPCB plate or pcb board.

Improving as one, described electrical connector is spring or shell fragment.

Improving as one, described multifunctional assembling is set to rectangular configuration；Described magnetic circuit system includes flat Conductive magnetic yoke, the Magnet being adhesively fixed in described conductive magnetic yoke and washer；The marginal position of described conductive magnetic yoke is also It is adhesively fixed with mass；Described mass is the loop configuration of Guan Bi, is arranged at the periphery of described Magnet； Described conductive magnetic yoke, described Magnet, described washer and described mass collectively form described multi-function device Oscillator.

Compared to existing technologies, the multifunctional assembling with vibrating function and vocal function of the present utility model Put, change traditional voice coil leads---injection shell fragment---conduction mode of external circuit, but by outside Internal junction unification the conduction element of casing body, will receive in pad, realizes being electrically connected in enclosure interior and voice coil leads Connect, simultaneously turn on part and electrically connect one for the electrical connector turned on external circuit, in this case, sound The lead-in wire of circle is not required to outer drawing；Further, since the marginal position of casing body is provided with moulding of integrated injection molding outside The moulding of material material, on the one hand, this moulding can fix electrical connector, it is to avoid it rocks, keeps shape State is stable, is on the other hand plastic material due to moulding, and corresponding with the pad of voice coil leads electrical connection this Place is arranged, and in the case of casing body is metal material outside, this design can effectively prevent electrostatic breakdown.

Owing to being used for the most corresponding position of pad connecting the electrical connector of external circuit and connecting with voice coil leads At the corner positions of the second housing, and it is not take up the position of the interiors of products assembling parts such as magnetic circuit, Ke Yijie Save segment space, increase magnetic field BL value and Sd value (vibration area), promote the property of this multi-function device Energy.

The position combined with moulding due to peripheral housing is provided with wedge-shaped slot, and moulding is correspondingly provided with wedge shape Sawtooth, the design of this material grasping structure can effectively strengthen the injection intensity of moulding and peripheral housing, it is ensured that It is as an integrally-built steadiness, prevents moulding and the second housing from departing from.

Dodging of electrical connector is dodged owing to being provided with at the corner positions of elastic supporting member for supporting optical member correspondence periphery housing Unfilled corner, this design can avoid elastic supporting member for supporting optical member that the normal assembling of electrical connector is impacted or disturbed.

Accompanying drawing explanation

Fig. 1 is the decomposition texture schematic diagram that this utility model has the multi-function device of vibrating function and vocal function；

Fig. 2 is the sectional view that this utility model has the multi-function device of vibrating function and vocal function；

Fig. 3 is the top view that this utility model has the multi-function device of vibrating function and vocal function；

Fig. 4 is that the structure of the multi-function device electrical connections that this utility model has vibrating function and vocal function is shown It is intended to；

Fig. 5 is the back appearance that this utility model has multi-function device second housing of vibrating function and vocal function Figure；

Reference therein includes: 1, the first housing, 110, sidewall, and the 2, second housing, 21, diapire, 22, Sidewall, 23, moulding, 24, limit opening, 3, conductive magnetic yoke, 31, spacing preiection, 4, Magnet, 5, Washer, 6, mass, 7, voice coil loudspeaker voice coil, 71, lead-in wire, 8, vibrating diaphragm, 9, strengthening course, 10, resilient support Part, 11, gasket ring, 12, FPCB plate, 121, pad, 13, spring.

Detailed description of the invention

Below in conjunction with the accompanying drawings, this utility model content is described in detail:

Embodiment:

Refering to shown in Fig. 1-Fig. 2, the multi-function device with vibrating function and vocal function of the present utility model For rectangular configuration, vibrating function and vocal function can be realized, including peripheral housing, peripheral housing tool simultaneously Body includes the first housing 1 and the second housing 2 of the rectangle combined, the first housing 1 and the second housing 2 Complement each other to form the cavity with receiving space, contain in this cavity magnetic circuit system, vibrational system and Elastic supporting member for supporting optical member 10, wherein, magnetic circuit system includes conductive magnetic yoke 3, middle position in conductive magnetic yoke 3 is adhesively fixed The Magnet 4 put and the washer 5 being attached at Magnet 4 surface, it should be noted that conductive magnetic yoke 3 herein Being designed as a horizontally extending plate-like structure, the marginal position of conductive magnetic yoke 3 is further fixed on mass 6, mass 6 is the loop configuration of Guan Bi, and it is surrounded between the periphery of Magnet 4, and Magnet 4 existence one Fixed distance, forms gap；Vibrational system specifically includes voice coil loudspeaker voice coil 7 and the vibrating diaphragm that be connected fixing with voice coil loudspeaker voice coil 7 8, voice coil loudspeaker voice coil 7 includes the lead-in wire 71 for electrical connection, in order to strengthen the product acoustical behavior at high frequency treatment, shakes The centre position of film 8 also incorporates strengthening course 9, and wherein, one end of voice coil loudspeaker voice coil 7 is suspended in Magnet 4 and quality In gap between block 6.Elastic supporting member for supporting optical member 10 has the elastic deformation space vertically gone up, and support is shaken Sub-in the vertical direction vibrates.

The oscillator of multi-function device can be collectively forming from said structure, magnetic circuit system and mass 6, shake Son supports in space that is fixing and that be suspended in peripheral housing by elastic supporting member for supporting optical member 10, when being embodied as, elastic One end of support member 6 is fixed with conductive magnetic yoke 3, and the other end is then fixed on the second housing 2.Based on this technology Scheme solves the technical problem that emphatically, and in present embodiment, the first housing 1 and the second housing 2 are metal Material, the two is directly fixed by laser welding, and, the second housing 2, conductive magnetic yoke 3 and resilient support Part 10 all can complete to fix by spot welding.

After the basic structure that this multi-function device is described, below its operation principle is illustrated: above-mentioned Standard is to after in the end product such as mobile phone, Pad and turning on external circuit, and external circuit can be to shaking Dynamic sound-producing device provides alternating current, and owing to speaker is different with the resonant frequency of vibrating motor itself, drives The driving voltage of the two work dynamic also has bigger difference, and such as, the resonant frequency of motor is generally at 300 hertz More than hereby, the resonant frequency of phonation unit, then below 300 hertz, drives the voltage of motor vibrations only to need Wanting 0.35V, the driving voltage of phonation unit then can reach about 2V, and by terminals such as mobile phones Foreign current signal can be filtered to required for vibration unit and phonation unit by filter circuit in product respectively Scope, say, that vibration unit can vibrate in low-frequency range, phonation unit is then main at high band Sounding, the principle normally worked as vibration unit and phonation unit is then again by the electricity of input voice coil loudspeaker voice coil 7 Stream signal and magnetic field common act on: during low-frequency range, voice coil loudspeaker voice coil 7 be energized after at the magnetic of Magnet 4 Can be acted on by Ampere force in Chang, also can be given Magnet 4 one retroaction in opposite direction equal in magnitude simultaneously Power so that Magnet 4 (vertical direction) on the elastic deformation direction of elastic supporting member for supporting optical member 10 moves reciprocatingly, Magnet 4 thus drive the conductive magnetic yoke 3 of connection fixed thereto, washer 5 and be fixed on the matter in conductive magnetic yoke 3 Gauge block 6 vibrates together；And during high band, voice coil loudspeaker voice coil 7 after receiving the current signal of external circuit, meeting Under the effect of electromagnetic field, do the motion of the reciprocating cutting magnetic line of force, thus drive the vibration of vibrating diaphragm 8, the first shell Body 1 just the position of vibrating diaphragm 8 is offered out acoustic aperture, it is thus possible to outwardly radiative acoustic wave, it is achieved sounding.

Owing to, in present embodiment, peripheral housing is metal material, if as it was previously stated, using traditional electricity Connected mode, the insulating barrier being positioned at outer layer in the lead-in wire 71 of voice coil loudspeaker voice coil 7 is easily crashed to pieces, and causes short circuit, therefore, The multi-function device of present embodiment also improves to some extent in electric connection mode, particularly as follows: refering to Fig. 3, Fig. 4 Jointly shown with Fig. 5, the inner adhesion of the second housing 2 is fixed with conduction element (only to adopt in present embodiment Being illustrated as a example by conduction element with FPCB plate 12, certainly, concrete conduction element is not limited to FPCB Plate 12, it is also possible to use the structure such as pcb board or injection molding material+long shell fragment), so, the lead-in wire of voice coil loudspeaker voice coil 7 71 just need not outer as in tradition electric connection mode drawing, but can outside casing body inside with Pad 121 spot welding on FPCB plate 12 is fixed, and FPCB plate 12 is welded with further through the mode of Reflow Soldering and prolongs Extend the electrical connector of the outside of the second housing 2 (in present embodiment, only using spring 13 as electrical connector As a example by be illustrated, certainly, however it is not limited to the structure of spring 13, it is also possible to be other structures such as shell fragment), Spring 13 turns on external circuit, the most complete conducting realizing peripheral circuits.

In order to further spring 13 is fixed, and effectively prevent electrostatic breakdown, the second housing 2 Marginal position (specifically corner) injection be combined with the moulding 23 of plastic material, moulding 23 and the Two housing 2 integrated injection moldings, and fixed by laser welding with the first housing 1 as an entirety. Refering to shown in Fig. 5, in the technical program, spring 13 is in the horizontal direction without departing from the horizontal stroke of the second housing 2 To space, and at the height of vertical direction beyond the vertical direction spatial of the second housing 2, a part for spring 13 Being wrapped in the inside, the small portion only making spring 13 is exposed in outside, can effectively prevent spring 13 from shaking Dynamic, it is fixed further；In above-mentioned electric connection mode, the FPCB electrically connected with the lead-in wire 71 of voice coil loudspeaker voice coil 7 Receiving in the pad 121 of plate, lead-in wire 71 needs not extend to the outside of peripheral housing and carries out spot welding, again owing to moulding The existence of the moulding 23 of material material, can effectively prevent electrostatic on the premise of ensureing peripheral circuits conducting Puncture.

When specifically assembling, first FPCB plate 12 can be adhesively fixed two of diapire 21 in the second housing 2 On individual long straight flange/short straight flange, the lead-in wire 71 of voice coil loudspeaker voice coil 7 is caused spot welding at pad 121, due to FPCB plate As the structure of inside conducting, fix spring 13 in its two other end by Reflow Soldering, so may be used for 12 To ensure that spring 13 realizes conducting with lead-in wire 71 by FPCB plate 12.

Preferably, pad 121, spring 13 and the moulding 23 for fixing spring 13 both correspond to the Arrange at 2 corner positions of two housings, be not take up the position of the parts such as interiors of products assembling magnetic circuit, Ke Yijie Save segment space, increase magnetic field BL value and Sd value (vibration area), promote the property of this multi-function device Energy.

Preferably, the position that the second housing 2 combines with moulding 23 is provided with wedge-shaped slot, corresponding on moulding Being provided with wedge shape sawtooth, the design of this material grasping structure can effectively strengthen moulding 23 and the note of the second housing 2 Mould intensity, it is ensured that it is as an integrally-built steadiness, prevent moulding 23 from departing from the second housing 2.

Preferably, it is provided with at the corner positions of corresponding second housing 2 of elastic supporting member for supporting optical member 10 and dodges spring 13 Dodging unfilled corner, this design can avoid elastic supporting member for supporting optical member 10 to impact the normal assembling of spring 13 or dry Disturb.

Further, since in this programme, the corner of vibrating diaphragm 8 is provided with chamfering structure, spring just can be dodged The rigging position of 13, it is not necessary to do and extra dodge process.

Preferably, this multi-function device is provided with the structure of spacing oscillator amplitude, concrete, refering to Fig. 1 and Tu 2 is common shown, and the first housing 1 and the second housing 2 all include that horizontally arranged diapire is (such as the second shell The diapire 21 of body 2) and from diapire to away from diapire direction extend sidewall (110 and 22), Second housing 2 is parallel to the sidewall 22 in oscillator vibration direction (vertical direction) and is provided with the spacing of material formation Opening 24, conductive magnetic yoke 3 is the parts away from vibrating diaphragm 8, and the position of its corresponding limit opening 24 is put down laterally Row extends and forms spacing preiection 31；Oscillator is near the distance definition between one end of vibrating diaphragm 8 and vibrating diaphragm 8 One spacing distance, then, when conductive magnetic yoke 3 remains static, conductive magnetic yoke 3 is upper to limit opening 24 The distance of end face should be less than the first spacing distance, i.e. d0 ＜ d1.This is because, when oscillator vibration, In the case of d0 ＜ d1, even if there is bigger displacement, it is also possible to make conductive magnetic yoke 3 first touch periphery Housing, now, collision therebetween can play spacing effect, limits oscillator and continues up vibration, So, vibrating diaphragm 8 is not also touched due to oscillator near one end of vibrating diaphragm 8, it is thus possible to by controlling oscillator Amplitude and be effectively prevented from the damage to vibrating diaphragm 8, it is to avoid therefore sonification system lost efficacy.

It should be noted that in present embodiment, owing to d0 is the conductive magnetic yoke 3 distance to limit opening 24, Limit opening 24 is located on the sidewall 22 of the second housing 2, and limit opening 24 is vertically communicated sidewall 22 Breach, therefore, d0 is actually it can be appreciated that the sidewall of conductive magnetic yoke the 3 to the first housing 1 110 times Distance between end face.As long as it addition, it is, in principle, that ensure that d0 is less than oscillator between vibrating diaphragm 8 Minimum range, in the present embodiment, the distance between upper surface and the vibrating diaphragm 8 of washer 5 is for shaking Minimum range between son and vibrating diaphragm 8, therefore, in this embodiment, d1 can be understood as washer Vertical dimension between one end and the vibrating diaphragm 8 of the close vibrating diaphragm 8 of 5.

Preferably, being additionally provided with gasket ring 11 between vibrating diaphragm 8 and the first housing 1, gasket ring 11 is also for the ring of Guan Bi Shape structure, the setting of gasket ring 11 enables to form certain gap between vibrating diaphragm 8 and the first housing 1, shakes Film 8 will not directly touch the first housing 1 of metal material.

Preferably, the back side of the second housing 2 is provided with four perforates, and four perforates can be used for observing resilient support The welded condition of part 10, it is simple to it is welded and fixed.

Preferably, elastic supporting member for supporting optical member 10 is stereochemical structure, including be positioned at inner side the first vibration section, be positioned at outside Second vibration section of side and connect the first vibration section and the elasticity arm of the second vibration section, and, the first vibration There is difference in height between portion and the second vibration section, the elastic supporting member for supporting optical member 10 of this structure need not take the magnetic of both sides Space, road, it is possible to increase the size of built-in Magnet 4, can increase the brachium of elastic supporting member for supporting optical member 10 itself, more simultaneously Regulate well the F0 of vibration unit.

The multi-function device with vibrating function and vocal function of the present utility model, by the second housing Inside arranges conduction element structure, uses the voice coil leads---electrical connection of conduction element---electrical connector---external circuit Mode, coordinates the design of the second housing moulding, passes on the premise of solving metal material shell targetedly System electric connection mode is easily caused the problem that classics puncture, on the premise of ensureing to realize peripheral circuits conducting, Save the assembly space taking enclosure interior, put forward high bl-values and Sd value, enhance product performance.

These are only this utility model case study on implementation, be not limited to this utility model, as long as ability Territory those of ordinary skill is modified or change according to the equivalence that this utility model disclosure is made, and all should include in In protection domain described in claims.

Claims (10)

1. there is a multi-function device for vibrating function and vocal function, including peripheral housing and be contained in vibrational system, magnetic circuit system and the elastic supporting member for supporting optical member in described peripheral housing；Described magnetic circuit system is supported fixing by described elastic supporting member for supporting optical member and is suspended in described peripheral housing；Described vibrational system includes vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of described vibrating diaphragm side, it is characterised in that: described peripheral housing is metal material；The inner side of described peripheral housing is fixed with conduction element；The lead-in wire of described voice coil loudspeaker voice coil is electrically connected with described conduction element；The electrical connector extending to described peripheral hull outside it is electrically connected with on described conduction element；Described electrical connector turns on external circuit；The marginal position of described peripheral housing is provided with the moulding of the plastic material of integrated injection molding, and described electrical connector is fixed by described moulding；Described moulding is in the horizontal direction without departing from the horizontal space of described peripheral housing.

Multi-function device the most according to claim 1, it is characterised in that: the position that described peripheral housing combines with described moulding is provided with wedge-shaped slot, and described moulding is correspondingly provided with wedge shape sawtooth.

Multi-function device the most according to claim 2, it is characterised in that: described peripheral housing includes the first housing and the second housing combined；Described conduction element is fixed on described second housing.

Multi-function device the most according to claim 3, it is characterised in that: described second housing is rectangular configuration；Described conduction element is combined on two the long straight flanges/short straight flange of described second shell bottom wall；Described conduction element is provided with pad, fixed in the internal point solid welding of described second housing with the lead-in wire of voice coil loudspeaker voice coil；Described conduction element is fixed by reflow soldering with described electrical connector.

Multi-function device the most according to claim 4, it is characterised in that: described pad, described electrical connector and the moulding for fixing described electrical connector both correspond to arrange at the corner positions of described second housing.

Multi-function device the most according to claim 1, it is characterised in that: be provided with at the corner positions of the corresponding described peripheral housing of described elastic supporting member for supporting optical member dodge described electrical connector dodge unfilled corner.

Multi-function device the most according to claim 5, it is characterised in that: described moulding is combined as a whole with described second housing, fixes with the first housing laser welding.

8. according to the multi-function device described in any one of Claims 1-4, it is characterised in that: described conduction element is FPCB plate or pcb board.

9. according to the multi-function device described in any one of claim 1 to 6, it is characterised in that: described electrical connector is spring or shell fragment.

Multi-function device the most according to claim 1, it is characterised in that: described multifunctional assembling is set to rectangular configuration；Described magnetic circuit system includes flat conductive magnetic yoke, the Magnet being adhesively fixed in described conductive magnetic yoke and washer；The marginal position of described conductive magnetic yoke is also adhesively fixed with mass；Described mass is the loop configuration of Guan Bi, is arranged at the periphery of described Magnet；Described conductive magnetic yoke, described Magnet, described washer and described mass collectively form the oscillator of described multi-function device.