The present invention relates to technical field of acoustics, more specifically, relate to a kind of speaker.
Speaker is as converting electrical energy into the conventional electro-acoustic transducer device of acoustic energy, and it plays indispensable effect in sound place system.Speaker is a device the weakest in sound place system, and for sound puts effect, it is again most important parts.Speaker of a great variety, audio frequency electric energy passes through electromagnetism, piezoelectricity or electrostatic effect so that it is cone or diaphragm oscillations the air with surrounding produce resonance and send sound.Therefore, having had the appearance of speaker just, people are just heard beautiful sound.
At present, in the design process of loudspeaker monomer, the restriction in vibrated space, the mode of centring disk threading is generally used to reduce the whole height of product, in which, voice coil line is directly welded with the wire on centring disk or bullet ripple, being easily caused rosin joint, product fraction defective is higher, acoustical behavior is unstable.
Summary of the invention
In view of the above problems, it is an object of the invention to provide a kind of speaker, solving that the voice coil line not prison welding of current speaker is solid, conforming product rate is relatively low, the problem such as be unfavorable for product to frivolous direction and develop.
A kind of speaker, the electrical connector including shell, being fixed on shell and collecting vibrational system in the enclosure is provided according to the present invention；Wherein, vibrational system includes loop configuration centring disk, the speech coil framework being hung in shell by centring disk；Speech coil framework is symmetrically arranged with speech coil framework pad, centring disk is provided with the sputtering part corresponding with speech coil framework pad locations；Sputtering part turns on speech coil framework pad and electrical connector respectively.
Furthermore it is preferred that scheme be, sputtering part be the metallic conduction part that symmetry sputters on centring disk.
Furthermore it is preferred that scheme be on speech coil framework, be wound with voice coil line, voice coil line turns on speech coil framework pad.
Furthermore it is preferred that scheme be that sputtering part is turned on by conducting resinl and speech coil framework pad and electrical connector respectively.
Furthermore it is preferred that scheme be that vibrational system also includes the ring fixing with shell and is positioned at the basin with compound inside ring and dust cover；Wherein, the outward flange of basin with compound is fixed with ring, and inward flange is fixed with dust cover；The curved sides of ring is arranged near speech coil framework.
Furthermore it is preferred that scheme be that electrical connector injection is fixed on shell, is provided with electrical connector pad on electrical connector, sputtering part turns on electrical connector pad.
Furthermore it is preferred that scheme be also to include the magnetic circuit system housed in the enclosure；Wherein, magnetic circuit system includes the Magnet fixed, with shell, the conductive magnetic yoke being connected, be housed in conductive magnetic yoke center, is fixed on the Magnet washer away from conductive magnetic yoke side.
Furthermore it is preferred that scheme be, conductive magnetic yoke include bottom and sidewall vertically disposed with bottom, between Magnet and washer and sidewall formed magnetic gap；Speech coil framework is hung in magnetic gap.
Furthermore it is preferred that scheme be that the ferropectic position of correspondence magnetic, bottom of conductive magnetic yoke is provided with projection；The axle center of projection, magnetic circuit system and vibrational system is located on the same line.
Utilize the above-mentioned speaker according to the present invention, splash-proofing sputtering metal electric-conductor on centring disk, the sputtering part formed by sputtering realizes the conducting between speech coil framework pad and electrical connector pad, and product reliability is high, acoustical behavior is stable, and beneficially speaker develops to ultra-thin direction.
In order to realize above-mentioned and relevant purpose, one or more aspects of the present invention include the feature that will be explained in below and be particularly pointed out in the claims.Description below and accompanying drawing are described in detail some illustrative aspects of the present invention.But, some modes in the various modes of the principle that only can use the present invention of these aspects instruction.Additionally, it is contemplated that include all these aspect and their equivalent.
Accompanying drawing explanation
By with reference to below in conjunction with the explanation of accompanying drawing and the content of claims, and along with being more fully understood from the present invention, other purpose of the present invention and result will be more apparent and should be readily appreciated that.In the accompanying drawings:
Fig. 1 is the exploded view of the speaker according to the embodiment of the present invention；
Fig. 2 is the profile of the speaker according to the embodiment of the present invention；
Fig. 3 is the centring disk structural representation according to the embodiment of the present invention.
Reference therein includes: basin with compound 1, speech coil framework 2, speech coil framework pad 21, centring disk 3, sputtering part 31, shell 4, electrical connector 41, washer 5, Magnet 6, conductive magnetic yoke 7, ring 9, dust cover 10.
The most identical label indicates similar or corresponding feature or function.
Detailed description of the invention
In the following description, for purposes of illustration, in order to provide the comprehensive understanding to one or more embodiments, many details are elaborated.It may be evident, however, that these embodiments can also be realized in the case of not having these details.In other example, for the ease of describing one or more embodiments, known structure and equipment illustrate in block form an.
For describing the loadspeaker structure of the present invention in detail, below with reference to accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 and Fig. 2 respectively illustrates the speaker decomposition texture according to the present invention and cross-section structure.
As Fig. 1 and Fig. 2 jointly shown in, the speaker of the embodiment of the present invention, including circular configuration shell 4, be fixed on shell 4 electrical connector 41 for connecting speaker peripheral circuits and be housed in the vibrational system in shell 4；Wherein, centring disk 3 that vibrational system includes loop configuration, the speech coil framework 2 being hung in shell 4 by centring disk 3, speech coil framework 2 is symmetrically arranged with speech coil framework pad 21, centring disk 3 is provided with the sputtering part 31 corresponding with speech coil framework pad 21 position, the two ends of sputtering part 31 turn on speech coil framework pad 21 and electrical connector 41 respectively, thus realize the conducting of speaker peripheral circuits.
Specifically, Fig. 3 shows the structure of centring disk according to embodiments of the present invention.
As Fig. 1 to Fig. 3 jointly shown in, the centring disk 3 of the embodiment of the present invention is loop configuration, fixes, with shell 4, the outward flange being connected including the fixing inward flange being connected of corrugated part and speech coil framework 2；Wherein, being provided with two symmetrical sputtering parts 31 on corrugated part, this sputtering part 31 is to sputter at the metallic conduction part on centring disk 3, is realized the conducting of speech coil framework pad 21 and electrical connector 41 by sputtering part 31.Wherein, electrical connector 41 injection is fixed on shell 4, is provided with electrical connector pad on electrical connector 41, and sputtering part 31 turns on electrical connector pad；Speech coil framework 2 is tubular structure, is wound with voice coil line on speech coil framework 2, and voice coil line turns on the speech coil framework pad 21 being arranged on speech coil framework 2.
In a specific embodiment of the present invention, sputtering part 31 is turned on speech coil framework pad 21 and electrical connector 41 by conducting resinl respectively.Wherein, conducting resinl can realize conduction and the effect of viscose simultaneously, and it is a kind of adhesive solidifying or having after drying electric conductivity, and technique is simple, easily operated, existing welding conduction mode can be replaced, be effectively improved production efficiency and the reliability standard of product.
Jointly shown in conjunction with Fig. 1 to Fig. 3, in another embodiment of the present invention, vibrational system also includes the ring 9 that be connected fixing with shell 4 and is positioned at the basin with compound 1 inside ring 9 and dust cover 10；Wherein, basin with compound 1 is pyramidal structure, and the outward flange of basin with compound 1 is fixing with the inward flange of ring 9 to be connected, and the inward flange of basin with compound 1 is fixing with dust cover 10 to be connected；The curved sides of ring 9 is arranged near speech coil framework 2, or ring 9 is near centring disk 3 one lateral buckling.
Additionally, speaker also includes the magnetic circuit system being housed in shell 4；Wherein, magnetic circuit system include fixing with shell 4 be connected the conductive magnetic yoke 7 in " U " type structure, the Magnet 6 being housed in conductive magnetic yoke 7 center, be fixed on the Magnet 6 washer 5 away from conductive magnetic yoke 7 side.Wherein, conductive magnetic yoke 7 includes bottom and sidewall vertically disposed with bottom, forms magnetic gap between Magnet 6 and washer 5 and sidewall, and speech coil framework 2 is hung in magnetic gap under the effect of centring disk 3.By being passed through variable-current signal to voice coil line, make speech coil framework 2 by Lorentz force up-down vibration, drive basin with compound 1, ring 9 and dust cover 10 vibration sounding simultaneously.
In the speaker of the present invention, projection can also be set in the fixing position of bottom correspondence Magnet 6 of conductive magnetic yoke 7, in the center of Magnet 6 and washer 5, through hole is set, the oscillation space of vibrational system is increased, it is possible to increase the stability in the large of magnetic circuit system and the acoustical behavior of speaker by projection；Wherein, the axle center of protruding, magnetic circuit system and vibrational system is respectively positioned on same straight line.
It addition, for the acoustical behavior improving speaker further, it is also possible to short-circuited conducting sleeve is set in magnetic circuit system.Concrete, washer 5 arranges the avoiding structure corresponding with short-circuited conducting sleeve, short-circuited conducting sleeve is fixed in avoiding structure, offsets the impact on speaker internal magnetic field of the voice coil loudspeaker voice coil faradic current by short-circuited conducting sleeve.
Be can be seen that by above-mentioned embodiment, the speaker that the present invention provides, speech coil framework arranges pad, centring disk arranges the metal material (sputtering part) of sputtering, by sputtering part and speech coil framework pad and the conducting of electrical connector pad, it is achieved the conducting of loudspeaker voice coil and external circuit, simple in construction, easy to operate, reliability is high, it is prevented from voice coil line fracture or rosin joint, it is ensured that speaker acoustical behavior is reliable, stable.
Speaker according to the present invention is described in an illustrative manner above with reference to accompanying drawing.It will be understood by those skilled in the art, however, that the speaker that the invention described above is proposed, it is also possible on the basis of without departing from present invention, make various improvement.Therefore, protection scope of the present invention should be determined by the content of appending claims.