CN205793303U

CN205793303U - Speaker

Info

Publication number: CN205793303U
Application number: CN201620517217.4U
Authority: CN
Inventors: 焦其金; 李志�
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2016-05-31
Filing date: 2016-05-31
Publication date: 2016-12-07
Anticipated expiration: 2026-05-31

Abstract

The utility model discloses a kind of speaker, relate to electro-acoustic product technical field, including vibrational system and magnetic circuit system, described vibrational system includes voice coil loudspeaker voice coil, be fixed on described voice coil loudspeaker voice coil the ring on skeleton and dust cap, described magnetic circuit system includes magnetic conductive part and is fixed on the Magnet in the middle part of described magnetic conductive part and washer, the coil of described voice coil loudspeaker voice coil is wound on the middle part of described skeleton, described ring includes being fixed on the first ring of described skeleton upper end and being fixed on the second ring of described skeleton lower end, and the outward flange of described second ring is fixed on described magnetic conductive part.This utility model speaker solves the technical problem that speaker in prior art cannot meet the requirement of little thickness, high sound quality, high nominal powers, this utility model speaker thickness is little, will not polarize under high-power, sound quality is high, disclosure satisfy that thickness little to speaker, high nominal powers, the requirement of high sound quality now, Simultaneous Stabilization and reliability are high.

Description

Speaker

Technical field

This utility model relates to electro-acoustic product technical field, particularly to a kind of speaker.

Background technology

Speaker is commonly called as loudspeaker, the conversion being used between the signal of telecommunication and acoustical signal, is that a kind of energy turns Parallel operation part.Speaker is made up of vibrational system and magnetic circuit system, the magnetic circuit system bag of conventional full frequency speaker Including U ferrum, Magnet and washer, vibrational system includes ring, voice coil loudspeaker voice coil and the dust cap combined, voice coil loudspeaker voice coil End be positioned at the magnetic gap of magnetic circuit system.At present, in order to reduce the thickness of speaker, some full range is raised Sound device does not set centring disk, does not has its vibrational system of speaker of centring disk easily to polarize, especially Becoming apparent from high-power lower polarization so that distortion occurs in speaker, sound quality is deteriorated, so that raise The rated power of sound device improves limited, it is impossible to meet thickness little to speaker, high nominal powers, loud now The requirement of sound quality, the serious lifting constraining speaker performance.

Utility model content

For disadvantages described above, technical problem to be solved in the utility model is to provide a kind of speaker, and this raises Sound device thickness is little, will not polarize under high-power, and sound quality is high, it is possible to meet now speaker Little thickness, high nominal powers, the requirement of high sound quality.

For solving above-mentioned technical problem, the technical solution of the utility model is:

A kind of speaker, including vibrational system and magnetic circuit system, described vibrational system includes voice coil loudspeaker voice coil, is fixed on Ring on the skeleton of described voice coil loudspeaker voice coil and dust cap, described magnetic circuit system includes magnetic conductive part and is fixed on described Magnet in the middle part of magnetic conductive part and washer, the coil of described voice coil loudspeaker voice coil is wound on the middle part of described skeleton, described ring Including being fixed on the first ring of described skeleton upper end and being fixed on the second ring of described skeleton lower end, described The outward flange of the second ring is fixed on described magnetic conductive part.

Wherein, described magnetic conductive part includes U ferrum and is combined in the magnetic conduction support above described U ferrum, described The outward flange of two rings is fixed between described U ferrum and described magnetic conduction support.

Wherein, described magnetic conduction support includes the tubular structure combined with described U ferrum and is positioned at described tubular knot The top of structure the loop configuration perpendicular with described tubular structure, between described loop configuration and described washer Form magnetic gap.

Wherein, described tubular structure is structure as a whole with described loop configuration.

Wherein, described speaker also includes that frame, described frame are fixed in described loop configuration, described The outward flange of one ring is fixed in described frame.

Wherein, described dust cap is the arcuate structure of concave downward, and described washer is provided with to be tied with described arc What structure was suitable dodges depression.

Wherein, described first ring is contrary with the protrusion direction of described second ring.

Wherein, described first ring raises up, and described second ring is downwardly convex.

Wherein, the middle part of described U ferrum is provided with the boss raised up, described Magnet and described washer and is fixed on On described boss.

Wherein, the middle part of described boss, described Magnet and described washer is equipped with through hole, three described through holes Be collectively forming described speaker goes out acoustic aperture.

After have employed technique scheme, the beneficial effects of the utility model are:

Owing to this utility model speaker includes vibrational system and magnetic circuit system, the coil of the voice coil loudspeaker voice coil of vibrational system Being wound on the middle part of skeleton, the upper/lower terminal of skeleton is respectively fixed with the first ring and the second ring, the second folding The outward flange of ring is fixed on the magnetic conductive part of magnetic circuit system.Second ring is not increasing the feelings of speaker thickness Under condition, vibrational system is served certralizing ability, effectively avoid the polarization of vibrational system so that speaker Rated power promoted, thus this utility model speaker thickness is little, vibrates in the case of powerful System also will not polarize, and distortion is little, and sound quality is high, and overall performance is promoted, it is possible to meets existing In thickness little to speaker, high nominal powers and the requirement of high sound quality.

Owing to the magnetic conductive part of magnetic circuit system by U ferrum and is fixed on the magnetic conduction above U ferrum and props up and be configured to, second The outward flange of ring is fixed between U ferrum and magnetic conduction support.The magnetic conductive part of this kind of Split type structure is processed more Simplicity, serves clamping action to the outward flange of the second ring simultaneously so that the second ring and magnetic conductive part it Between combine the most firm, will not come off from magnetic conductive part because the vibration of vibrational system is pullled, it is ensured that Its certralizing ability, improves stability and the reliability of speaker.

Suitable with dust cap dodge depression owing to washer is provided with, add the oscillation space of dust cap, It is effectively prevented dust cap to collide with washer, the most further reduces while improving sound quality The thickness of speaker.

Owing to the first ring raises up, the second ring is downwardly convex, effectively make use of the inside of speaker Space, is more beneficial for reducing the thickness of speaker.

In sum, this utility model speaker solve speaker in prior art cannot meet little thickness, High sound quality, the technical problem of requirement of high nominal powers, this utility model speaker thickness is little, greatly Will not polarize under power, sound quality is high, it is possible to meet thickness little to speaker, big specified merit now Rate, the requirement of high sound quality, Simultaneous Stabilization and reliability are high.

Accompanying drawing explanation

Fig. 1 is the decomposition texture schematic diagram of this utility model speaker；

Fig. 2 is the sectional structure schematic diagram of this utility model speaker；

In figure: 10, frame, 20, dust cap, the 22, first ring, the 24, second ring, 26, voice coil loudspeaker voice coil, 260, skeleton, 262, coil, 30, washer, 300, dodge depression, 32, Magnet, 34, magnetic conduction support, 340, tubular structure, 342, loop configuration, 36, U ferrum, 360, boss, 40, go out acoustic aperture.

Detailed description of the invention

Below in conjunction with the accompanying drawings and embodiment, this utility model is expanded on further.

The inner side related in this specification refers to the side near Microspeaker center, and outside refers to The side at Microspeaker center；Refer to be provided with the direction of vibrational system in the orientation related in this specification, Refer to be provided with the direction of magnetic circuit system under orientation.

As Fig. 1 and Fig. 2 jointly shown in, a kind of speaker, including vibrational system and magnetic circuit system.

As Fig. 1 and Fig. 2 jointly shown in, vibrational system 20 includes that voice coil loudspeaker voice coil 26, voice coil loudspeaker voice coil 26 include the bone of tubular Frame 260 and be wrapped in the coil 262 in the middle part of skeleton 260, the upper end of skeleton 260 is fixed with dust cap 20. The periphery of skeleton 260 is fixed with ring, and ring includes the first ring 22 that inward flange is fixed on skeleton 260, The outward flange of the first ring 22 is fixed on the upper surface of frame 10, and the first ring 22 is positioned at coil 260 Top；Also include that inner edge portion is fixed on the second ring 24 of skeleton 260 lower end, the second ring 24 Outward flange is fixed on the magnetic conductive part of magnetic circuit system.

As Fig. 1 and Fig. 2 jointly shown in, magnetic circuit system includes magnetic conductive part and is fixed in the middle part of magnetic conductive part Magnet 32 and washer 30.Magnetic conductive part is made up of two parts, is respectively positioned at the U ferrum 36 of lower section and combines Magnetic conduction support 34 above U ferrum 36, the outward flange of the second ring 24 is fixed on U ferrum 36 and magnetic-conductance portion Between part 34.The middle part of U ferrum 36 is provided with a boss 360 raised up, and Magnet 32 is fixed on boss 360 On, washer 30 is fixed on Magnet 32.Magnetic conduction support 34 includes the cylinder combined with the sidewall of U ferrum 36 Shape structure 340, also includes being positioned at above tubular structure 340 and the ring junction perpendicular with tubular structure 340 Structure 342, tubular structure 340 is structure as a whole with loop configuration 342, and the most whole magnetic conduction support 34 is by one Individual cylinder being bent inwards its upper end forms.

As in figure 2 it is shown, the diameter of tubular structure 340 is all consistent with the sidewall of U ferrum 36 with thickness.Ring Forming magnetic gap between shape structure 342 and washer 30, coil 262 is positioned at magnetic gap.Frame 10 is fixed In loop configuration 342.

As Fig. 1 and Fig. 2 jointly shown in, present embodiment the preferably first ring 22 is convex with the second ring 24 Rising in opposite direction, the most preferably first ring 22 raises up, and the second ring 24 is downwardly convex.Real Border application is not limiting as the first ring 22 and protrusion direction of the second ring 24, the first ring 22 and second The protrusion direction of ring 24 can be identical, it is also possible to contrary, all can play the effect of centering.This embodiment party The preferred scheme of formula can sufficiently utilize the inner space of speaker, is more beneficial for reducing the height of speaker.

As Fig. 1 and Fig. 2 jointly shown in, dust cap 20 is the arcuate structure of concave downward, i.e. dust cap 20 Structure identical with the lower part structure of a ball, washer 30 is provided with and the arcuate structure of dust cap 20 Suitable dodges depression 300, and this structure is prevented from dust cap 20 and touches with washer 30 when vibration Hit, be more beneficial for reducing the thickness of speaker simultaneously.

As Fig. 1 and Fig. 2 jointly shown in, the middle part of boss 360, Magnet 32 and washer 30 be equipped with one lead to Hole, i.e. these three parts are loop configuration, and three through hole is concentric and aperture is identical, is collectively forming speaker Go out acoustic aperture 40.

This utility model speaker, by being additionally arranged a ring between the lower end and magnetic conductive part of skeleton, rises Arrive good certralizing ability, be effectively prevented vibrational system in the case of powerful, be easily generated polarization Bad, while not increasing the original thickness of speaker, improve rated power and the sound quality of speaker, So that it can meet thickness little to speaker, high nominal powers, the requirement of high sound quality now.

Above-described embodiment is only that this utility model is set up between the lower end and magnetic conductive part of skeleton a ring The illustration of technical scheme, wherein the structure of speaker is not limited in said structure, this utility model Technical scheme be applicable in the full frequency speaker of any inner magnetic structure, those skilled in the art according to The description of above-described embodiment need not pay any creative work and just can the technical solution of the utility model be answered Use in the speaker of other inner magnetic structure, thus no matter other structure of speaker whether with above-described embodiment phase With, as long as setting up ring between the lower end and magnetic conductive part of skeleton in order to prevent vibrational system from polarizing, and then The product of the rated power improving speaker each falls within protection domain of the present utility model.

The first ring related in this specification and the name of the second ring merely to distinguishing feature, Do not represent position relationship therebetween and assembling sequence.

This utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art is from above-mentioned Design is set out, and without performing creative labour, all conversion made, all falls within guarantor of the present utility model Within the scope of protecting.

Claims

1. speaker, including vibrational system and magnetic circuit system, described vibrational system includes voice coil loudspeaker voice coil, is fixed on institute Stating the ring on the skeleton of voice coil loudspeaker voice coil and dust cap, described magnetic circuit system includes magnetic conductive part and leads described in being fixed on Magnet in the middle part of magnet assembly and washer, it is characterised in that the coil of described voice coil loudspeaker voice coil is wound on the middle part of described skeleton, Described ring includes being fixed on the first ring of described skeleton upper end and being fixed on the second folding of described skeleton lower end Ring, the outward flange of described second ring is fixed on described magnetic conductive part.

Speaker the most according to claim 1, it is characterised in that described magnetic conductive part include U ferrum and Being combined in the magnetic conduction support above described U ferrum, the outward flange of described second ring is fixed on described U ferrum and institute State between magnetic conduction support.

Speaker the most according to claim 2, it is characterised in that described magnetic conduction support includes with described Tubular structure that U ferrum combines and be positioned at the top of described tubular structure perpendicular with described tubular structure Loop configuration, forms magnetic gap between described loop configuration and described washer.

Speaker the most according to claim 3, it is characterised in that described tubular structure and described annular Structure is structure as a whole.

Speaker the most according to claim 4, it is characterised in that described speaker also includes frame, Described frame is fixed in described loop configuration, and the outward flange of described first ring is fixed in described frame.

Speaker the most according to claim 2, it is characterised in that described dust cap is concave downward Arcuate structure, described washer is provided with suitable with described arcuate structure dodges depression.

7. according to the speaker described in claim 2 to 6 any claim, it is characterised in that described One ring is contrary with the protrusion direction of described second ring.

Speaker the most according to claim 7, it is characterised in that described first ring raises up, Described second ring is downwardly convex.

Speaker the most according to claim 8, it is characterised in that the middle part of described U ferrum is provided with upwards Protruding boss, described Magnet and described washer are fixed on described boss.

Speaker the most according to claim 9, it is characterised in that described boss, described Magnet and The middle part of described washer is equipped with through hole, and what three described through holes were collectively forming described speaker goes out acoustic aperture.