CN202121765U

CN202121765U - Multifunctional loudspeaker with grille

Info

Publication number: CN202121765U
Application number: CN 201120188805
Authority: CN
Inventors: 权哲荣; 郑进友; 延俊晤
Original assignee: DONGGUAN BAOXING ELECTRONICS Co Ltd; RONGCHENG BAOXING ELECTRONIC CO Ltd; TIANJIN BSE ELECTRONICS CO Ltd; BSE Co Ltd
Current assignee: DONGGUAN BAOXING ELECTRONICS Co Ltd; RONGCHENG BAOXING ELECTRONIC CO Ltd; TIANJIN BSE ELECTRONICS CO Ltd; BSE Co Ltd
Priority date: 2010-07-28
Filing date: 2011-06-07
Publication date: 2012-01-18
Anticipated expiration: 2021-06-07
Also published as: WO2012015145A3; CN102348152A; WO2012015145A2; KR20120011200A; KR101140237B1

Abstract

The utility model relates to a multifunctional loudspeaker with a grille, which is capable of providing a vibration function and an audio function at the same time. The multifunctional loudspeaker is characterized in comprising a hollow framework, a front cover combined on the front of the framework, a back cover combined on the back of the framework, a vibration plate arranged in the framework and covered by the front cover, and an oscillator vibrating in the framework, wherein the back cover is composed of a tiny porous net. According to the multifunctional loudspeaker with a grille, the air quantity is finely adjusted by using the size of the net of the back cover, thus realizing better timbre and tone quality of the loudspeaker.

Description

Utilize the multifunction speaker of guard

Technical field

The utility model relates to loud speaker, especially, relates to the multifunction speaker that vibrating function and acoustic function can be provided simultaneously.

Background technology

Usually, loud speaker is that a kind of signal of telecommunication loads on and in magnetic circuit, converts kinetic energy to after the voice coil loudspeaker voice coil, thereby in air, produces dilatational wave and produce the stereo set of sound wave, is widely used in mobile phone or various portable type electronic product.

Possessing in order to notify incoming telephone signal or bone conduction function etc. like portable type electronic products such as mobile phones has vibration module; But in loud speaker, realize the multifunction speaker of vibrating function and day by day be widely used in order to realize the product miniaturization and to practice thrift cost etc., having developed.

With regard to multifunction speaker, the air capacity that bonnet performance protection internal part is not discharged from loud speaker by external impact or adjusting is at the back adjusted the function of the key property of loud speaker.

In order to regulate the air capacity that loudspeaker performance is exerted an influence; Comparatively ideal is to make small hole; But multifunction speaker in the past is to make bonnet by plastic material or stainless steel (SUS) series material; With regard to the manufacturing process aspect, there are restriction in the position in the hole of control air amount and size etc., therefore on performance realizes, have more difficulty.

Summary of the invention

The utility model is researched and developed in order to address the above problem a little; The purpose of the utility model is to provide a kind of like this multifunction speaker that utilizes guard: the position in hole or size etc. are not restricted; The air capacity of discharging can be controlled at the back, thereby speaker performance can be improved from loud speaker.

In order to achieve the above object, the multifunction speaker that utilizes guard of the utility model comprises: the framework of hollow; Be incorporated into the protecgulum of said frame front; Be incorporated into the bonnet of said frame back; Oscillating plate is arranged in the said frame, and is combined with voice coil loudspeaker voice coil; And at the oscillator of said frame internal vibration, wherein above-mentioned bonnet forms by having small porous net.

Preferably the material of above-mentioned bonnet is a metal material.

The entire area that the hole had that forms on the preferably above-mentioned bonnet accounts for 45～60% of bonnet entire area.

According to the multifunction speaker that utilizes guard of aforesaid the utility model,, can fine regulate the air capacity of discharging at the back, thereby can further improve loud speaker tonequality and tone color from loud speaker through forming bonnet by having small porous net.And the multifunction speaker of the utility model forms bonnet by metal material, thereby material stiffness is enhanced, so the effect of the part distortion that prevents to cause because of external impact becomes big.

Description of drawings

Fig. 1 is the exploded perspective view of the multifunction speaker that utilizes guard of the utility model preferred embodiment.

Fig. 2 is the profile of the multifunction speaker that utilizes guard of the utility model preferred embodiment.

Fig. 3 is the stereogram of Fig. 1 and bonnet shown in Figure 2.

[description of reference numerals]

The 10-framework

The 20-protecgulum

The 30-bonnet

The 31-planar portions

The 32-side surface part

The 33-extension

The 40-oscillating plate

The 50-oscillator

The 51-magnet

The 52-yoke

The 53-plate

The 54-mass

The 55-space

The 60-voice coil loudspeaker voice coil

The 70-part that suspends

71-outside board

The inboard board of 72-

73-connects board

Embodiment

Below, specify preferred embodiment with reference to accompanying drawing according to the utility model.

Fig. 1 is the exploded perspective view of the multifunction speaker that utilizes guard of the utility model preferred embodiment, and Fig. 2 is the profile of the multifunction speaker that utilizes guard of the utility model preferred embodiment.

The multifunction speaker that utilizes guard of the utility model preferred embodiment comprises: framework 10, protecgulum 20, bonnet 30, oscillating plate 40 and oscillator 50.

Said frame 10 is formed by ring-type.Inner peripheral front face and rear face at this framework 10 form installation rib 10a, the 10b that supplies protecgulum 20 and bonnet 30 to install respectively.And,, the inner peripheral central part of framework 10 states the insertion groove 10c that the part 70 that suspends inserts after forming confession.

Above-mentioned protecgulum 20 forms ring-type, is installed on the installation rib 10a that is formed at framework 10 front faces.

Above-mentioned bonnet 30 plays the effect that protection is positioned at framework 10 internal parts; Be formed with the side surface part 32 of discoideus planar portions 31, bending and the extension 33 of portion 32 ends horizontal bending laterally from the side, thereby be inserted into the installation rib 10b that framework 10 rear faces form from planar portions 31 edge-perpendicular ground.

At this moment; The end of the side surface part 32 of bending and extension 33 are inserted in the inner peripheral rear face of framework 10 in bonnet 30 component parts; Therefore utilize the repulsion of the side surface part 32 of bending; Framework 10 is improved with the tightening degree of bonnet 30, is prevented to cause axial deformation because of external impact by the side surface part 32 of bending.

On the other hand, the material of bonnet 30 uses metal material, and therefore, the rigidity of bonnet 30 materials is enhanced, so the effect of the part distortion that prevents to cause because of external impact becomes greatly.

Above-mentioned oscillating plate 40 is circular plate type of arch composite, and the edge is mounted to be bearing in and installs on the rib 10a, and this installation rib 10a is formed on the front face of framework 10.Be attached with the voice coil loudspeaker voice coil 60 of ring-type in the bottom surface of this oscillating plate 40.

At this moment, above-mentioned voice coil loudspeaker voice coil 60 forms drum shape tubulose.This voice coil loudspeaker voice coil 60 is in when assembling, be arranged to after in the space (Air Gap) 55 of formation between the magnet 51 stated and plate 53 and the yoke 52.

Above-mentioned oscillator 50 and when voice coil loudspeaker voice coil 60 inserts external signals, result between the electromagnetic force of voice coil loudspeaker voice coil 60 interaction and on low-resonance.This oscillator 50 comprises: have the magnet 51 of magnetic force, the both mass 54 of sizing quality that has that coat magnet 51 and the yoke 52 that combines with magnet 51, the plate 53 that is incorporated into magnet 51 and be attached to yoke 52 lateral surfaces.

Wherein, between the medial surface of the sidepiece of magnet 51 and plate 53 and yoke 52, form the space 55 that supplies voice coil loudspeaker voice coil 60 to insert.On the other hand, above-mentioned plate 53 makes from the magnetic field that magnet 51 produces and concentrates to specific direction.

Above-mentioned oscillator 50 is suspended part 70 elastic bearings on framework 10.The part 70 that suspends comprises: the outside board 71 of ring-type, and its insertion is incorporated into insertion groove 10c, and this insertion groove 10c is formed on the inner peripheral of framework 10; The inboard board 72 of ring-type, it is incorporated into the lateral surface of yoke 52; And connecting board 73, it connects outside board 71 and inboard board 72.At this moment, connection board 73 is formed with a plurality of, forms through hole 70a, and the distance that separates each other.

Fig. 3 is the stereogram of Fig. 1 and bonnet shown in Figure 2.

Above-mentioned bonnet 30 is formed by the net with small porous metal material on the whole.The micro hole 30a of net forms square, and is evenly distributed on the whole.The comparatively ideal entire area that is this micro hole 30a has account for bonnet 30 entire area 45～60%.Has following problem: if micro hole 30a area occupied is less than 45%; Then the rate of air circulation through bonnet 30 is little, so oscillating plate 40 can't realize vibrating smoothly, if surpass 60%; Then cut apart vibration, produce unusual sound through the rate of air circulation of bonnet 30 is excessive.

On the other hand, the line footpath that constitutes the metal wire of net should when less than 100 μ m, can't be carried out full intensity and strengthen greater than 100 μ m.And the form of micro hole 30a can also be formed by variforms such as rectangle, circle and polygons except square.

Below, the effect of the multifunction speaker that utilizes guard of the utility model preferred embodiment that constitutes as stated is described.

Produce magnetic field at above-mentioned magnet 51 with constant intensity and direction.And plate 53 makes in the magnetic field that magnet 51 produces and concentrates to specific direction.

From the outside, the signal of promptly importing from the mainboard of mobile phone terminal is delivered to voice coil loudspeaker voice coil 60.If signal is delivered to voice coil loudspeaker voice coil 60 from the outside, then produce variable electric field according to signal with direction and intensity at voice coil loudspeaker voice coil 60.

On the other hand, oscillating plate 40 has the natural frequency that differs from one another with oscillator 50.Therefore, when with as stated as from the natural frequency of corresponding frequency of the signal of outside input and oscillator 50 when consistent, oscillating plate 40 is static, has only oscillator 50 to vibrate.On the contrary, when with from the natural frequency of corresponding frequency of the signal of outside input and oscillating plate 40 when consistent, oscillator 50 is static, has only oscillating plate 40 to vibrate.

Situation to having only above-mentioned oscillator 50 vibrations is observed; When the electric field that produces at voice coil loudspeaker voice coil 60 had the identical utmost point with the magnetic field that produces at magnet 51, under the repulsion effect, oscillator 50 was pushed to the rear; When having the utmost point that differs from one another, under graviational interaction, forwards advance.

As stated, oscillator 50 under by the part 70 flexibly mounted states that suspend before and after resonance, this resonance is delivered to framework 10 through the part 70 that suspends and reaches and respectively cover 20,30, thus whole loudspeaker vibration.

On the other hand, the situation of having only above-mentioned oscillating plate 40 vibrations is observed, under oscillator 50 inactive states, because of the action of voice coil loudspeaker voice coil 60 has only oscillating plate 40 vibrations.When oscillating plate 40 vibrations, produce dilatational wave, when this dilatational wave arrives at people's ear through protecgulum 20, the vibrophone in people's the ear, thus hear sound.

When aforesaid oscillating plate 40 vibrated, air was through bonnet 30 circulations.At this moment, the performance of loud speaker is because of different through the air capacity of bonnet 30 circulations.That is, shown in the utility model, bonnet 30 forms by having small porous net; Thereby can fine adjust air capacity through bonnet 30 circulations; Can realize having the loud speaker of better tonequality and tone color, the article qualitative change of final loud speaker is good, can guarantee competitiveness of product.

As above explanation be that the basis is illustrated with the preferred embodiment of the utility model, but the utility model is not limited to specific embodiment, can in the scope of claims record, change by having correlative technology field Chang Shizhe.

Claims

1. a multifunction speaker that utilizes guard is characterized in that, comprising:

The framework of hollow;

Be incorporated into the protecgulum of said frame front;

Be incorporated into the bonnet of said frame back;

Oscillating plate is arranged in the said frame, and is combined with voice coil loudspeaker voice coil; And

At the oscillator of said frame internal vibration,

Wherein, above-mentioned bonnet forms by having small porous net.

2. the multifunction speaker that utilizes guard according to claim 1 is characterized in that, the material of above-mentioned bonnet is a metal material.

3. the multifunction speaker that utilizes guard according to claim 1 and 2 is characterized in that the entire area that the hole had that forms on the above-mentioned bonnet accounts for 45～60% of bonnet entire area.