CN105721992B

CN105721992B - A kind of adaptive Q value loudspeaker

Info

Publication number: CN105721992B
Application number: CN201610039514.7A
Authority: CN
Inventors: 吴有任; 刘万青
Original assignee: Shenzhen Wanyouyun Technology Co Ltd
Current assignee: Shenzhen Wanyouyun Technology Co Ltd
Priority date: 2016-01-21
Filing date: 2016-01-21
Publication date: 2019-05-14
Anticipated expiration: 2036-01-21
Also published as: CN105721992A

Abstract

The present invention provides a kind of adaptive Q value loudspeaker, including bracket, electromagnetic assembly, voice coil and vibrating diaphragm, wherein, the electromagnetic assembly is supported by the bracket, the voice coil be arranged in the magnetic gap on electromagnetic assembly and can free vibration, the peripheral part of the vibrating diaphragm is connected on bracket by ring, and inner peripheral portion is connected on above-mentioned voice coil, the ring is pipeline ring, has several gas vents on the pipeline ring.Manufacture craft of the present invention is simple, it is at low cost, but the muddy problem of conventional loudspeakers ring deformation easily causes in Larger Dynamic distortion and low frequency can be substantially improved, when diaphragm oscillations, pipeline ring is driven to be axially moved, compresses ring, by the air capacity for automatically adjusting duct type ring, so that the Q value of loudspeaker is generated adaptive change, so as to improve the transient response and low frequency characteristic of loudspeaker, there is high technological value and economic value.

Description

A kind of adaptive Q value loudspeaker

Technical field

The invention belongs to audio class speaker technology field more particularly to a kind of adaptive Q value loudspeakers.

Background technique

Loudspeaker is electroacoustic transducer, is that sound energy is converted electrical energy by physical effect, in recent years, as solid is sent out The Music Appreciation ability of pursuit of the development and people of audio technology to immaterial amenities of life, people is continuously improved, to loudspeaking More stringent requirements are proposed for the sound quality of device, and it is electrodynamic type loudspeaking that existing loudspeaker is applied at most according to different physical effects Device, cone loudspeaker are current most widely used dynamic speakers, and should the having of loudspeaker bears that power is big, dynamic model It encloses greatly, distortion is small, and can adapt to the broader of frequency response, and transient response performance is good, and still, existing loudspeaker is difficult to accomplish It is perfect.

Vibrating diaphragm is one of main component of loudspeaker, and the frequency response of loudspeaker is determined according to vibrating diaphragm , the surrounding of diaphragm portion has a ring, and the purposes of ring is axially position when vibrating diaphragm is connect with frame, makes entirely to vibrate System can be freely axially moved, and prevent oscillation crosswise, and existing loadspeaker structure is as illustrated in figs. 1 and 2, is divided into convex Circle ring and lower dome ring, the stiffness of ring are to determine one of harmonic frequency of loudspeakers fo and the factor of quality factor q, ring The linear degree of amplitude also influences the distortion size of loudspeaker to a certain extent when vibration, uses both above ring, loudspeaking When device violent oscillatory motion, the pliable of ring can be deteriorated, with the increase of Oscillation Amplitude, ring no longer only with axial movement, It can be distorted, so that distortion becomes larger, transient response is deteriorated, and low-frequency effect becomes ambiguous, and low frequency is powerless, the big discounting of effect Button.

Summary of the invention

The present invention provides one kind against the above technical problems can reduce that the distortion factor, transient response be good, low-frequency effect becomes Effectively and energy is full, the clean mellow and full adaptive Q value loudspeaker of sound quality substantially improves loudspeaking from the change in structure The acoustical quality of device, the especially acoustical quality in violent oscillatory motion.

The technical solution adopted by the present invention is as follows, a kind of adaptive Q value loudspeaker, including bracket, electromagnetic assembly, voice coil and Vibrating diaphragm, wherein the electromagnetic assembly is supported by the bracket, and the voice coil is arranged in the magnetic gap on electromagnetic assembly and can be free Vibration, the peripheral part of the vibrating diaphragm are connected on bracket by ring, and inner peripheral portion is connected on above-mentioned voice coil, and the ring is Pipeline ring has several gas vents on the pipeline ring.

Preferably, the pipeline ring includes upper dome ring and lower dome ring, the upper dome ring and lower dome Ring engages form integral structure up and down.

Preferably, the gas vent is 3-4, is evenly distributed on the circumference of dome ring.

Preferably, the upper dome ring is consistent with the elasticity modulus of lower dome ring.

Preferably, the elasticity modulus of the pipeline ring is consistent with the elasticity modulus of the vibrating diaphragm.

The beneficial effects of the present invention are: manufacture craft of the present invention is simple, at low cost, but can substantially improve conventional loudspeakers The distortion and low frequency that ring deformation easily causes in Larger Dynamic muddy problem when diaphragm oscillations, drive pipeline ring It is axially moved, compresses ring, by the air capacity of automatic adjustment duct type ring, the Q value of loudspeaker is made to generate adaptive change, So as to improve the transient response and low frequency characteristic of loudspeaker, there is high technological value and economic value.

Detailed description of the invention

Fig. 1 is a kind of existing structural schematic diagram of dynamic speaker.

Fig. 2 is the ring structural schematic diagram of loudspeaker provided by Fig. 1.

Fig. 3 is the structural schematic diagram of existing another dynamic speaker.

Fig. 4 is the ring structural schematic diagram of loudspeaker provided by Fig. 3.

Fig. 5 is schematic perspective view of the invention.

Fig. 6 is cross-sectional view of the invention.

Fig. 7 is enlarged drawing at the A of Fig. 6.

Fig. 8 is ring structural schematic diagram of the invention.

Specific embodiment

Below in conjunction with attached drawing, the invention will be further described.

Existing dynamic speaker, including bracket 1, electromagnetic assembly 2, voice coil 3 and vibrating diaphragm 4, electromagnetic assembly 2 is by bracket 1 Support, voice coil 3 be arranged in the magnetic gap on electromagnetic assembly 2 and can free vibration, the peripheral part of vibrating diaphragm 4 passes through ring 5 and is connected to On bracket 1, inner peripheral portion is connected on voice coil 3, and there are mainly two types of 5 structures of ring, and a kind of structure is upper convexity, such as Fig. 1 and Shown in Fig. 2, another structure is lower convexity, as shown in Figure 3 and Figure 4, mainly according to dome ring direction Nian Jie with vibrating diaphragm Difference and be divided into above two structure.

The stiffness of ring 5 is to determine one of harmonic frequency of loudspeakers fo and the factor of quality factor q, the quality of loudspeaker because Number Q reflects loudspeaker electromagnetic system to the damping action size of vibrational system, i.e. the transient response quality of reflection loudspeaker, folding Ring 5 vibrate when amplitude linear degree also to a certain extent influence loudspeaker distortion size, wherein the quality of loudspeaker because The calculation formula of number Q:

Q=

Wherein, Q is the quality factor of loudspeaker, and R is the D.C. resistance of voice coil, and B is magnetic induction density, and L is having for voice coil Length is imitated, m is the equivalent mass of speaker vibration system, and c is the pliable of speaker vibration system.

If Q value is higher, showing that speaker vibration system consumption energy is slower, resonance is less susceptible to control, similarly, Q value It is lower, indicate that resonance is more easy to control.Due to quality factor q reflection be mechanical system damping, then in loudspeaker vibration When, the support systems such as branch piece and the ring 5 of loudspeaker are mainly reflected in the consumption of energy, absorption and vibrating diaphragm, voice coil, dust-proof The quality systems such as cap consume the inherence of energy, this is all related with factor of loudspeaker itself for the value of R, B, L, m, if R, B, L, The value of m does not generate variation, when the diaphragm of loudspeaker vibration when, the pliable C of vibrational system, if using two kinds of above-mentioned rings Structure, when the diaphragm of loudspeaker is in large-amplitude oscillation, the pliable C of ring 5 can be deteriorated, extreme case even twist distortion, To which distortion becomes larger, transient response is deteriorated, and low-frequency effect becomes ambiguous, and low frequency is powerless.

Technical solution provided by the invention can effectively change above situation, so that the pliable C of ring 5 will be with cone basin vibration It is dynamic and change, the defects of so as to improve in large-amplitude oscillation, distortion becomes larger, transient response variation.

As viewed in figures 5-8, the technical solution adopted by the present invention is as follows.

Other parts of the invention are similar to existing loadspeaker structure, and i will not repeat them here, improvements of the invention It is at ring 5, the ring 5 of ventional loudspeakers had already described above, and ring 5 of the invention is using pipeline ring, folding Ring 5 is pipeline shape, and duct type ring can form integral structure by two about 52 dome ring 51 and engagements, can also lead to The pipe-like that mold is made of one is crossed, the side of pipeline ring is connected on bracket, and the other side is connected on vibrating diaphragm 4, then Vibrating diaphragm 4 is being connected to voice coil 3, is provided with 3-4 gas vent 53 on the upper wall of pipeline ring, the size and quantity of gas vent 53 and Position can be set according to concrete conditions such as speaker-use, power.

In order to allow the harmony of vibrating diaphragm 4 and ring 5 in vibration, the elasticity of the elasticity modulus of pipeline ring and the vibrating diaphragm 4 Modulus is consistent, and upper dome ring 51 is consistent with the elasticity modulus of lower dome ring 52, can be all made of same material and be made.

When vibration, air inside ring will be discharged by gas vent by compression or inflation is sprung back, pipeline ring it is upper The interaction of wall and lower wall, mutually compensates the difference of deformation difficulty or ease when axial movement, and pliable C will be with cone basin vibration and become Change, according to above-mentioned formula, in the case where ceteris paribus, quality factor q can also change therewith, and vibration amplitude is bigger, deformation Difficulty or ease compensation is easier, and the pliable c of loudspeaker is bigger, then Q value will be smaller, resonance is more easy to control, and reduces distortion, Transient response becomes good, and low-frequency effect becomes strong and energy is full, and sound quality is completely mellow and full, substantially improves the sound quality effect of loudspeaker Fruit.

The embodiment of the present invention only introduces its specific embodiment, does not limit the protection scope thereof.The skill of the industry Art personnel can make certain modifications under the inspiration of the present embodiment, therefore all equivalence changes done according to the invention patent range Or modification, it belongs in the invention patent scope of the claims.

Claims

1. a kind of adaptive Q value loudspeaker, comprising:

Bracket；

Electromagnetic assembly is supported by the bracket；

Voice coil, is arranged in the magnetic gap on electromagnetic assembly and can free vibration；With

The peripheral part of vibrating diaphragm, vibrating diaphragm is connected on bracket by ring, and inner peripheral portion is connected on above-mentioned voice coil；

It is characterized in that, the ring is pipeline ring, there is several gas vents on the pipeline ring, when the vibrating diaphragm exists When vibration, the air inside the ring can be discharged by the gas vent by compression or inflation is sprung back.

2. a kind of adaptive Q value loudspeaker according to claim 1, which is characterized in that the pipeline ring includes convex Circle ring and lower dome ring, the upper dome ring and lower dome ring engage form integral structure up and down.

3. a kind of adaptive Q value loudspeaker according to claim 2, which is characterized in that the gas vent is 3-4, On the even circumference for being distributed in dome ring.

4. a kind of adaptive Q value loudspeaker according to claim 2, which is characterized in that the upper dome ring is convex under The elasticity modulus of circle ring is consistent.

5. a kind of adaptive Q value loudspeaker according to any one of claims 1 to 4, which is characterized in that the pipeline ring Elasticity modulus is consistent with the elasticity modulus of the vibrating diaphragm.