CN207039883U - The sound generating mechanism of loudspeaker - Google Patents
The sound generating mechanism of loudspeaker Download PDFInfo
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- CN207039883U CN207039883U CN201720643452.0U CN201720643452U CN207039883U CN 207039883 U CN207039883 U CN 207039883U CN 201720643452 U CN201720643452 U CN 201720643452U CN 207039883 U CN207039883 U CN 207039883U
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- voice coil
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- vibrating membrane
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Abstract
A kind of sound generating mechanism of loudspeaker, including a rounded laminar vibrating membrane, it include centrally located sound film, ring-type on the outside of the sound film it is outstanding while the ring-type is outstanding on the outside of circumferential support piece；One voice coil loudspeaker voice coil, the coil on the sound cylinder is wrapped in below the vibrating membrane and including a sound cylinder and one；The sound cylinder upper end is connected to the ring-type and hangs side and the junction of the sound film；One magnetic moves component, and its upper end is goed deep into inside the voice coil loudspeaker voice coil, and lower end is folded upward at after extending outward；Wherein audio communication turns on the coil to change current forms, and moving component by the coil-induced magnetic field voice coil loudspeaker voice coil and the magnetic produces interaction, and makes the vibrating membrane drastically change and send sound equipment；Wherein the vibrating membrane, the voice coil loudspeaker voice coil, the magnetic move the structure that component is in coaxial line, and the coaxial line of component is moved relative to the vibrating membrane, the voice coil loudspeaker voice coil, the magnetic, the magnetic moves the radius that the outermost radius of component is more than the outstanding side of the ring-type and the edge of the circumferential support piece junction of the vibrating membrane.
Description
Technical field
The vocal structure for loudspeaker is the utility model is related to, especially a kind of sound generating mechanism of loudspeaker.
Background technology
The loudspeaker vocal structure of prior art mainly includes a vibrating membrane, the vibrating membrane include centrally located sound film,
Ring-type on the outside of the sound film hangs the circumferential support piece on the outside of while the ring-type is outstanding.Connect below the vibrating membrane
Connect a voice coil loudspeaker voice coil, be wound with the voice coil loudspeaker voice coil can conducting electric current coil.Wherein the hypomere of the voice coil loudspeaker voice coil moves group by the magnetic magnetic of tool
Part is surrounded.Wherein the magnetic moves outer side edges radius of the extreme outer-most radius less than the sound film of component., can be with when the coil electricity
The magnetic field that component is moved with the magnetic interacts so that the voice coil loudspeaker voice coil can move component with the magnetic and produce interaction, and make the voice coil loudspeaker voice coil promote
The vibrating membrane so that outside air produces vibration and sends the sound.Therefore change streaming current can be applied to be produced not by vibrating membrane
The vibration of same frequency, and send the different sounds.
But the loudspeaker of above-mentioned prior art, because the extreme outer-most radius that its magnetic moves component is less than the outer side edges of the sound film partly
Footpath, so when loudspeaker to be made sends larger sound, total power need to be used to promote vibrating membrane, larger sound can be sent
Ring, but this excessive power will cause the sound that the vibrating membrane is sent to produce distortion, so being also unable to maintain that whole sound
Matter.And the loudspeaker of prior art is smaller because magnetic moves component, so its stroke distance is shorter, and is unfavorable for the sound of bass
Should, therefore can not also send the bass of good quality.
Therefore the utility model wishes to propose a kind of sound generating mechanism of brand-new loudspeaker, to solve in above-mentioned prior art
The defects of.
Utility model content
So the purpose of this utility model is solve the problems, such as in above-mentioned prior art, one is proposed in the utility model
The sound generating mechanism of kind loudspeaker, the dynamic component radius of its used magnetic is larger, so driving force is also larger.So indulge when in use
Make the sound that needs are larger, vocal structure of the present utility model can reach the mesh for sending larger sound equipment without the use of total power
, because being not reaching to total power, it is possible to maintain whole tonequality.And the utility model is larger because magnetic moves component, institute
To provide longer stroke distance, therefore it can make it that the response of bass is preferable, the tonequality without influenceing bass.
To reach above-mentioned purpose, a kind of sound generating mechanism of loudspeaker is proposed in the utility model, including：One vibrating membrane, about
Slightly rounded flaky texture；The vibrating membrane includes centrally located sound film, on the outside of the sound film and with outside the sound film
The ring-type that edge combines hangs the outside while ring-type is outstanding and the circumferential support combined with the outstanding side outward flange of the ring-type
Piece；One voice coil loudspeaker voice coil, below the vibrating membrane, and including a sound cylinder and a coil；The sound cylinder is hollow cylinder kenel, thereon
The ring-type that end is connected to the vibrating membrane hangs side and the junction of the sound film, therefore the sound film on the inside of the vibrating membrane is located at the sound
The top of the hollow position of cylinder；The coil is wrapped in the outer periphery of the sound cylinder；The coil can be with conducting electric current；One magnetic moves group
The inside of the voice coil loudspeaker voice coil is goed deep into part, its upper end, and lower end is folded upward at after extending outward；Wherein audio communication can conducting should in the form of electric current
The coil of voice coil loudspeaker voice coil, and then component is moved in induced field, the magnetic field to the coil inside by the magnetic；Electric current caused by audio communication is change
Streaming current so that the magnetic field that the magnetic moves component also follows suit the variation of repeatedly, and causes the voice coil loudspeaker voice coil to move component with the magnetic and produce
Interaction, so the vibrating membrane above the voice coil loudspeaker voice coil also drastically changes and sends sound equipment；The wherein vibrating membrane, the voice coil loudspeaker voice coil, the magnetic
Dynamic component is in the structure of coaxial line；The coaxial line of component is wherein moved relative to the vibrating membrane, the voice coil loudspeaker voice coil, the magnetic, the magnetic moves component
Outermost radius be more than the vibrating membrane the ring-type hang side and the circumferential support piece junction edge radius.
Wherein, the magnetic moves component and included：
One inner annular yoke, below the vibrating membrane, it is interior that the hypomere of cylindrical structure, the wherein voice coil loudspeaker voice coil is surrounded on this
On the outside of the epimere of ring-type yoke, and the voice coil loudspeaker voice coil does not contact the inner annular yoke, and the bottom of the wherein inner annular yoke stretches out
Formed and expand position；The inner annular yoke for can induced field and magnetic conduction structure；
One outer ring-like magnetic conductive part, below the vibrating membrane, the outside of the coil is surrounded on, and does not contact the coil, should
Outer ring-like magnetic conductive part is located at the top at the expansion position, and forms gap between the expansion position；The outer ring-like magnetic conductive part is
Can induced field and magnetic conduction structure；
One ringshaped magnet, below the outer ring-like magnetic conductive part, it is surrounded on the outer ring-like magnetic conductive part and the outside of the voice coil loudspeaker voice coil
Around, and the ringshaped magnet does not contact the voice coil loudspeaker voice coil, wherein the ringshaped magnet be folded in the expansion position of the inner annular yoke with
Between the outer ring-like magnetic conductive part, and connect the inner annular yoke and the outer ring-like magnetic conductive part simultaneously so that the inner annular yoke and
The outer ring-like magnetic conductive part is simultaneous with magnetic；
Wherein the magnetic moves the outermost radius of the outer ring-like magnetic conductive part of component more than the outstanding side of the ring-type of the vibrating membrane
With the radius at the edge of the circumferential support piece junction.
Wherein, in addition to a ring-type bullet ripple, between the vibrating membrane and the outer ring-like magnetic conductive part, the ring-type bullet ripple ring
It is around on the outside of the voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil is slidably installed on the inner edge of the ring-type bullet ripple.
Wherein, in addition to a frame housing, the structure for hollow form and the vibrating membrane, the voice coil loudspeaker voice coil, the magnetic are coated on move group
The outside of part, the upper end of the frame housing extend inwardly to form support ring on one, in the mounted state, the ring on the outside of the vibrating membrane
Shape support chip is fixedly installed in the top of support ring on this, and make it that the circumferential support piece is not easy to vibrate, so the ring-type hangs side
It is erected in a suspended manner between the sound cylinder and the circumferential support piece.
Wherein, the arcuate structure toward lower recess is presented in the section of the sound film, and the ring-type hangs side and the arc being up recessed is presented
Shape structure.
Wherein, the cyclic structure of the inner annular yoke is circular, regular polygon or approximate regular polygon.
Wherein, the upper surface of the inner annular yoke is higher than the upper surface of the outer ring-like magnetic conductive part.
Wherein, the axial difference in height that the ring-type is hanged between the peak on side and the bottom surface of the inner annular yoke is less than the frame
The half of housing maximum outside diameter.
Wherein, the maximum inner diameter of the voice coil loudspeaker voice coil is more than the half of the frame housing maximum outside diameter.
Wherein, the maximum outside diameter of the ring-type bullet ripple is equal to the internal diameter of the frame housing, and the maximum outside diameter of the ring-type bullet ripple
More than the maximum outside diameter that the ring-type hangs side.
Brief description of the drawings
Fig. 1 is component combination stereogram of the present utility model.
Fig. 2 is that Fig. 1 sees the view regarded from the side of bottom.
Fig. 3 is component exploded view of the present utility model.
Fig. 4 is Fig. 1 top view.
Fig. 5 is the sectional view in A-A directions in Fig. 4.
Description of reference numerals
10-vibrating membrane
11- sound films
12- ring-types hang side
13- circumferential support pieces
20- voice coil loudspeaker voice coils
21- sound cylinders
22- coils
30- magnetic moves component
31- inner annular yokes
32- outer ring-like magnetic conductive parts
33- ringshaped magnets
40- ring-type bullet ripples
50- frame housings
The upper support rings of 55-
311- expands position
321- breach.
Embodiment
Feature and its advantage of the present utility model can be further understood that by the description below, during reading and refer to attached
Figure.
Now with regard to structure composition of the present utility model, and the effect of can be generated and advantage, coordinate accompanying drawing, lift the utility model
A preferred embodiment describe in detail it is as follows.
It refer to shown in Fig. 1 to Fig. 5, for the sound generating mechanism of loudspeaker of the present utility model, including following assemblies：
One vibrating membrane 10, rough rounded flaky texture.As shown in Fig. 1 and Fig. 4, the vibrating membrane 10 is included in being located at
The sound film 11 of centre, positioned at the outside of the sound film 11 and the outstanding side 12 of ring-type that is combined with the outward flange of sound film 11 and positioned at the ring-type
The circumferential support piece 13 that 12 outward flanges are combined when hanging the outside while 12 and being hanged with the ring-type.
One voice coil loudspeaker voice coil 20, positioned at the lower section of vibrating membrane 10, and including a sound cylinder 21 and a coil 22.The sound cylinder 21 is hollow
Cylinder kenel, the ring-type that its upper end is connected to the vibrating membrane 10 hangs the junction (as shown in Figure 5) of side 12 and the sound film 11.
The coil 22 is wrapped in the outer periphery (as shown in Figure 3) of the sound cylinder 21.The coil 22 can be with conducting electric current.
One magnetic moves component 30, as shown in figures 2 and 5, including：
One inner annular yoke 31, positioned at the lower section of vibrating membrane 10, cylindrical structure, the hypomere of the wherein voice coil loudspeaker voice coil 20 is surround
On the outside of the epimere of the inner annular yoke 31, and the voice coil loudspeaker voice coil 20 does not contact the inner annular yoke 31.The wherein inner annular yoke 31
Bottom stretch out to be formed expand position 311.The inner annular yoke 31 for can induced field and magnetic conduction structure.This practicality is new
The cyclic structure of the inner annular yoke 31 includes circular, regular polygon or approximate regular polygon in type.
One outer ring-like magnetic conductive part 32, positioned at the lower section of vibrating membrane 10, the outside of the coil 22 is surrounded on, and do not contact the line
Circle 22.The outer ring-like magnetic conductive part 32 is located at the top at the expansion position 311, and forms gap between the expansion position 311.Should
Outer ring-like magnetic conductive part 32 for can induced field and magnetic conduction structure.
Wherein the upper surface of the inner annular yoke 31 is higher than the upper surface of the outer ring-like magnetic conductive part 32.Therefore can produce compared with
The linear stroke of long voice coil loudspeaker voice coil 20, larger thrust factor can also be produced, and reduce the non-linear distortion of low frequency.
One ringshaped magnet 33, positioned at the lower section of outer ring-like magnetic conductive part 32, it is surrounded on the outer ring-like magnetic conductive part 32 and the voice coil loudspeaker voice coil
20 outer periphery, and the ringshaped magnet 33 does not contact the voice coil loudspeaker voice coil 20.Wherein the ringshaped magnet 33 is folded in the inner annular yoke
Between the 31 expansion position 311 and the outer ring-like magnetic conductive part 32, and the inner annular yoke 31 is connected simultaneously and the outer ring-like is led
Magnetic part 32 so that the inner annular yoke 31 and the outer ring-like magnetic conductive part 32 are simultaneous with magnetic.
Wherein the vibrating membrane 10, the voice coil loudspeaker voice coil 20, the magnetic move the structure that component 30 is in coaxial line.
The coaxial line of the present utility model for being characterized as moving component 30 relative to the vibrating membrane 10, the voice coil loudspeaker voice coil 20, the magnetic, this is outer
The ring-type that the outermost radius of ring-type magnetic conductive part 32 is more than the vibrating membrane 10 hangs side 12 and the junction of circumferential support piece 13
Edge radius, as shown in Figure 5.
One ring-type bullet ripple 40, between the vibrating membrane 10 and the outer ring-like magnetic conductive part 32.The ring-type bullet ripple 40 is surround
In the outside of voice coil loudspeaker voice coil 20, the voice coil loudspeaker voice coil 20 is slidably installed on the inner edge of the ring-type bullet ripple 40.The ring-type bullet ripple 40 can
With with different section kenel such as rectangle or waveform etc., however it is not limited to shown by figure.
One frame housing 50, it is the structure of hollow form and is coated on the dynamic component 30 of the vibrating membrane 10, the voice coil loudspeaker voice coil 20, the magnetic
Outside.The upper end of the frame housing 50 extends inwardly to form support ring 55 (as shown in Figure 3) on one.During assembling, as shown in figure 5,
The circumferential support piece 13 in the outside of vibrating membrane 10 is fixedly installed to the top of support ring 55 on this, and causes the circumferential support piece 13
It is not easy to vibrate.
Wherein the lateral border of outer ring-like magnetic conductive part 32 can have breach 321 in favor of the frame housing 50 is led with outer ring-like
Magnetic part 32 is riveted together.
The axial difference in height that wherein ring-type is hanged between the peak on side 12 and the bottom surface of the inner annular yoke 31 is less than should
The half of the maximum outside diameter of frame housing 50.Therefore higher thrust factor can be produced, effectively to promote the voice coil loudspeaker voice coil 20, therefore can
Larger power is born, and the distortion in tonequality can be reduced.
Wherein the maximum inner diameter of the voice coil loudspeaker voice coil 20 is more than the half of the maximum outside diameter of frame housing 50.The wherein ring-type bullet ripple 40
Maximum outside diameter about be roughly equal to the frame housing 50 internal diameter, and the maximum outside diameter of the ring-type bullet ripple 40 be more than the ring-type hang side 12
Maximum outside diameter.Therefore higher sound press can be produced, and resonant frequency can be allowed to decline, and make caused Sound close
Former sound, reduce harmonic distortion.
During installation, as shown in figure 5, the ring-type that the vibrating membrane 10 is fixed in the upper end of the sound cylinder 21 hangs side 12 and the sound film
11 junction.Therefore the sound film 11 of the inner side of vibrating membrane 10 is located at the top of the hollow position of the sound cylinder 21.The vibrating membrane
The circumferential support piece 13 in 10 outsides is fixedly installed to the top of support ring 55 on this, and causes the circumferential support piece 13 to be not easy to shake
It is dynamic.Then it is erected in a suspended manner between the sound cylinder 21 and the circumferential support piece 13 so the ring-type hangs side 12.The wherein sound
The arcuate structure toward lower recess is presented in the section of film 11, and the ring-type hangs side 12 and the arcuate structure being up recessed is presented.
The advantages of the utility model is that the dynamic component radius of used magnetic is larger, so driving force is also larger.So make
Even if the used time needs larger sound, vocal structure of the present utility model can reach without the use of total power and send larger sound equipment
Purpose because being not reaching to total power, it is possible to maintain whole tonequality.And the utility model due to magnetic move component compared with
Greatly, so providing longer stroke distance, therefore it can make it that the response of bass is preferable, the tonequality without influenceing bass.
In summary, the design of consideration of the utility model hommization, quite meets actual demand.It specifically improves existing skill
The defects of art, substantially there is breakthrough progress advantage compared to prior art, there is the enhancement of effect really, and non-be easy to reach
Into.The utility model does not disclose or is exposed in domestic document and in the market with foreign countries, has met the regulation of Patent Law.
Above-mentioned detailed description is illustrating for a possible embodiments of the present utility model, but the embodiment is not used
To limit the scope of protection of the utility model, all equivalence enforcements or change without departing from carried out by the utility model skill spirit,
It should be contained in the scope of protection of the utility model.
Claims (10)
- A kind of 1. sound generating mechanism of loudspeaker, it is characterised in that including：One vibrating membrane, rounded flaky texture；The vibrating membrane includes centrally located sound film, on the outside of the sound film and with The ring-type that the sound film outward flange combines hangs the outside while ring-type is outstanding and hangs what side outward flange was combined with the ring-type Circumferential support piece；One voice coil loudspeaker voice coil, below the vibrating membrane, and including a sound cylinder and a coil, the sound cylinder is hollow cylinder kenel, its The ring-type that upper end is connected to the vibrating membrane hangs side and the junction of the sound film, therefore the sound film on the inside of the vibrating membrane is positioned at this The top of the hollow position of sound cylinder, the coil are wrapped in the outer periphery of the sound cylinder, and the coil being capable of conducting electric current；One magnetic moves component, and the inside of the voice coil loudspeaker voice coil is goed deep into its upper end, and lower end is folded upward at after extending outward, and wherein audio communication can be with electric current Form turn on the coil of the voice coil loudspeaker voice coil, and then component is moved in induced field, the magnetic field to the coil inside by the magnetic, and audio communication is produced Raw electric current is becomes streaming current so that the magnetic field that the magnetic moves component also follows suit the variation of repeatedly, and cause the voice coil loudspeaker voice coil with should Magnetic moves component and produces interaction, so the vibrating membrane above the voice coil loudspeaker voice coil also drastically changes and sends sound equipment；Wherein, the vibrating membrane, the voice coil loudspeaker voice coil, the magnetic move the structure that component is in coaxial line；The coaxial line of component is wherein moved relative to the vibrating membrane, the voice coil loudspeaker voice coil, the magnetic, the outermost radius that the magnetic moves component is more than The ring-type of the vibrating membrane hangs the radius on side and the edge of the circumferential support piece junction.
- 2. the sound generating mechanism of loudspeaker as claimed in claim 1, it is characterised in that the magnetic, which moves component, to be included：One inner annular yoke, below the vibrating membrane, the hypomere of cylindrical structure, the wherein voice coil loudspeaker voice coil is surrounded on the inner annular On the outside of the epimere of yoke, and the voice coil loudspeaker voice coil does not contact the inner annular yoke, and the bottom of the wherein inner annular yoke stretches out to be formed Expand position；The inner annular yoke for can induced field and magnetic conduction structure；One outer ring-like magnetic conductive part, below the vibrating membrane, the outside of the coil is surrounded on, and does not contact the coil, the outer shroud Shape magnetic conductive part is located at the top at the expansion position, and forms gap between the expansion position；The outer ring-like magnetic conductive part is to feel Answer the structure of magnetic field and magnetic conduction；One ringshaped magnet, below the outer ring-like magnetic conductive part, the outer ring-like magnetic conductive part and the outer periphery of the voice coil loudspeaker voice coil are surrounded on, And the ringshaped magnet does not contact the voice coil loudspeaker voice coil, the wherein ringshaped magnet is folded in the expansion position and outer shroud of the inner annular yoke Between shape magnetic conductive part, and the inner annular yoke and the outer ring-like magnetic conductive part are connected simultaneously so that the inner annular yoke and the outer shroud Shape magnetic conductive part is simultaneous with magnetic；Wherein the magnetic moves the outermost radius of the outer ring-like magnetic conductive part of component more than the outstanding side of the ring-type of the vibrating membrane and is somebody's turn to do The radius at the edge of circumferential support piece junction.
- 3. the sound generating mechanism of loudspeaker as claimed in claim 2, it is characterised in that also including a ring-type bullet ripple, shaken positioned at this Dynamic the ring-type bullet ripple is surrounded on the outside of the voice coil loudspeaker voice coil between film and the outer ring-like magnetic conductive part, and the voice coil loudspeaker voice coil is slidably pacified Inner edge loaded on the ring-type bullet ripple.
- 4. the sound generating mechanism of loudspeaker as claimed in claim 3, it is characterised in that be hollow form also including a frame housing Structure and be coated on the vibrating membrane, the voice coil loudspeaker voice coil, the magnetic move component outside, the upper end of the frame housing extends inwardly to form one Upper support ring, in the mounted state, the circumferential support piece on the outside of the vibrating membrane are fixedly installed in the top of support ring on this, and make The circumferential support piece is obtained to be not easy to vibrate, thus the ring-type hang side be erected in a suspended manner the sound cylinder and the circumferential support piece it Between.
- 5. the sound generating mechanism of loudspeaker as claimed in claim 1 or 2, it is characterised in that the section of the sound film is presented toward recessed Sunken arcuate structure, and the ring-type hangs side and the arcuate structure being up recessed is presented.
- 6. the sound generating mechanism of loudspeaker as claimed in claim 2, it is characterised in that the cyclic structure of the inner annular yoke is circle Shape, regular polygon or approximate regular polygon.
- 7. the sound generating mechanism of loudspeaker as claimed in claim 2, it is characterised in that the upper surface of the inner annular yoke is higher than should The upper surface of outer ring-like magnetic conductive part.
- 8. the sound generating mechanism of loudspeaker as claimed in claim 4, it is characterised in that the ring-type hangs the peak and the inner ring on side Axial difference in height between the bottom surface of shape yoke is less than the half of the frame housing maximum outside diameter.
- 9. the sound generating mechanism of loudspeaker as claimed in claim 4, it is characterised in that the maximum inner diameter of the voice coil loudspeaker voice coil is more than the frame The half of housing maximum outside diameter.
- 10. the sound generating mechanism of loudspeaker as claimed in claim 4, it is characterised in that the maximum outside diameter of the ring-type bullet ripple is equal to The internal diameter of the frame housing, and the maximum outside diameter of the ring-type bullet ripple is more than the maximum outside diameter that the ring-type hangs side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720643452.0U CN207039883U (en) | 2017-06-05 | 2017-06-05 | The sound generating mechanism of loudspeaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720643452.0U CN207039883U (en) | 2017-06-05 | 2017-06-05 | The sound generating mechanism of loudspeaker |
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| Publication Number | Publication Date |
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| CN207039883U true CN207039883U (en) | 2018-02-23 |
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| CN201720643452.0U Active CN207039883U (en) | 2017-06-05 | 2017-06-05 | The sound generating mechanism of loudspeaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572747A (en) * | 2018-06-06 | 2019-12-13 | 惠州迪芬尼声学科技股份有限公司 | Diaphragm structure of loudspeaker |
-
2017
- 2017-06-05 CN CN201720643452.0U patent/CN207039883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572747A (en) * | 2018-06-06 | 2019-12-13 | 惠州迪芬尼声学科技股份有限公司 | Diaphragm structure of loudspeaker |
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