CN211047203U - Diaphragm, loudspeaker and earphone - Google Patents

Abstract

The application discloses diaphragm, loudspeaker and earphone relates to electron technical field. The diaphragm of the embodiment of the utility model comprises a first film layer and a second film layer, wherein the first film layer comprises a first vibrating diaphragm and a second vibrating diaphragm; the second film layer comprises a third vibrating diaphragm and a fourth vibrating diaphragm, the first vibrating diaphragm is compounded with the second vibrating diaphragm, the third vibrating diaphragm is compounded with the fourth vibrating diaphragm, the first film layer is compounded with the second film layer through the second vibrating diaphragm, the third vibrating diaphragm is compounded with the third vibrating diaphragm, and the third vibrating diaphragm is a graphene vibrating diaphragm. The embodiment of the utility model provides a ductility that the diaphragm enabled the high frequency obtains better performance, can compromise the sound effect of high pitch and bass simultaneously for the loudspeaker that has this diaphragm can send high-fidelity sound, ensures high-quality sound effect, very big improvement user's experience sense.

Description

Diaphragm, loudspeaker and earphone

Technical Field

The utility model discloses the application relates to electron technical field, in particular to diaphragm, loudspeaker and earphone.

Background

In the existing audio-visual device, the loudspeaker is one of indispensable elements, and the element membrane in the loudspeaker is one of the core elements of the loudspeaker, and the sound effect of the loudspeaker depends on the membrane to a large extent, generally, the thinner the membrane is, the better the bass of the loudspeaker is, but the treble is relatively poor; the stiffer the diaphragm, the better the treble, but the relatively worse the bass. Therefore, no matter the diaphragm in the existing loudspeaker is made of metal or biological material, the sound effect of bass and treble can not be simultaneously considered by the loudspeaker.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a diaphragm, loudspeaker and earphone to the unable problem that makes loudspeaker compromise the audio effect of bass and high pitch simultaneously of diaphragm in solving current loudspeaker.

The utility model provides an above-mentioned technical problem adopted technical scheme as follows:

according to an aspect of an embodiment of the present invention, there is provided a diaphragm, including a first film layer and a second film layer, where the first film layer includes a first diaphragm and a second diaphragm; the second film layer comprises a third vibrating diaphragm and a fourth vibrating diaphragm, the first vibrating diaphragm is compounded with the second vibrating diaphragm, the third vibrating diaphragm is compounded with the fourth vibrating diaphragm, the first film layer is compounded with the second film layer through the second vibrating diaphragm, the third vibrating diaphragm is compounded with the third vibrating diaphragm, and the third vibrating diaphragm is a graphene vibrating diaphragm.

Wherein, first vibrating diaphragm is the PU vibrating diaphragm.

The second diaphragm is a PET diaphragm.

And the fourth diaphragm is a PET diaphragm.

The surfaces of the first diaphragm and the second diaphragm are provided with a plurality of radially arranged lines.

The middle part of one surface of the first vibrating diaphragm is sunken towards one side to form a circular first inner diameter film; the middle part of one surface of the second vibrating diaphragm is sunken towards one side to form a circular second inner diameter film; the first inner diameter membrane is the same inner diameter as the second inner diameter membrane.

According to another aspect of the embodiments of the present invention, there is provided a speaker, including a support, a voice coil and a magnet, the voice coil and the magnet are disposed on the support, the speaker further includes a diaphragm as described in any one of the above embodiments, and the diaphragm is disposed and fixed on the support.

Wherein a copper ring is arranged around the outside of the diaphragm.

The voice coil is arranged on the support, and the magnet is arranged in the fixing groove.

The loudspeaker further comprises a washer, and the washer is arranged on the magnet and arranged in the fixing groove together with the magnet.

According to another aspect of the embodiments of the present invention, there is provided an earphone including the speaker in any one of the above embodiments.

For the audio effect of prior art's diaphragm can't compromise bass and high pitch simultaneously, the embodiment of the utility model provides a diaphragm, loudspeaker and earphone, the diaphragm carries out compound formation through adopting first vibrating diaphragm, second vibrating diaphragm, third vibrating diaphragm and fourth vibrating diaphragm multilayer vibrating diaphragm, and the third vibrating diaphragm is graphite alkene vibrating diaphragm, the embodiment of the utility model provides a diaphragm enables the ductility of high frequency to obtain better performance, can compromise the sound effect of high pitch and low pitch simultaneously for the loudspeaker that has this diaphragm can send high-fidelity sound, ensures high-quality sound effect, has the sound that the earphone of loudspeaker sent is limpid nature, rich in the penetrating power, can improve user experience and feel.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of a diaphragm according to a first embodiment of the present invention;

fig. 2 is a schematic exploded view of a diaphragm according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a speaker according to a third embodiment of the present invention;

fig. 4 is a schematic exploded view of a horn according to a third embodiment of the present invention;

fig. 5 is a schematic sectional view of a speaker according to a third embodiment of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example one

Fig. 1 is a schematic structural diagram of a diaphragm according to an embodiment of the present invention. Only the portions related to the present embodiment are shown for convenience of explanation.

Referring to fig. 1 and fig. 2, a diaphragm 10 provided in an embodiment of the present application includes a first film layer and a second film layer, where the first film layer includes a first diaphragm 11 and a second diaphragm 12; the second film layer includes a third diaphragm 13 and a fourth diaphragm 14. The first diaphragm 11 is compounded with the second diaphragm, the third diaphragm 13 is compounded with the fourth diaphragm 14, and the first film layer and the second film layer are compounded through the second diaphragm 12 and the third diaphragm 13.

The first diaphragm 11 and the second diaphragm 12 are both circular, the middle of one surface of the first diaphragm 11 is recessed towards one side to form a circular first inner diameter film (not numbered in the figure), and a plurality of lines 110 are radially arranged at other parts of the first diaphragm 11 except the first inner diameter film; the middle part of one surface of the second diaphragm 12 is recessed towards one side to form a circular second inner diameter film (not numbered in the figure), and a plurality of lines which are the same as the lines on the first diaphragm 11 are arranged at the other parts of the second diaphragm 12 except the second inner diameter film along the radial direction; the first inner diameter membrane is the same inner diameter as the second inner diameter membrane. The third diaphragm 13 and the fourth diaphragm 14 have the same shape and size, and have the same inner diameter as the first inner diameter film of the first diaphragm 11. Through the structural design, when the first inner diameter membrane, the second inner diameter membrane, the third diaphragm 13 and the fourth diaphragm 14 are compounded, the first inner diameter membrane, the second inner diameter membrane, the third diaphragm 13 and the fourth diaphragm 14 can be completely overlapped together.

In an embodiment, the first diaphragm 11 is a PU diaphragm, and the second diaphragm is a PET diaphragm.

This application adopts the PU vibrating diaphragm through first vibrating diaphragm 11, and second vibrating diaphragm 12 adopts the PET vibrating diaphragm, and the vibrating diaphragm through different materials is compound, and is steady when guaranteeing sound vibration, can make the extensibility of high frequency better in listening to feel, and the sound effect of the good high pitch of balance that can be better and low-pitched.

In an embodiment, the third diaphragm 13 is a graphene diaphragm, and the fourth diaphragm is a PET diaphragm.

This application adopts graphite alkene vibrating diaphragm, because the intensity of graphite alkene vibrating diaphragm is 100 times of steel, so can 100% reduction outgoing current signal for send the sound of high-fidelity, sound is limpid nature, is rich in the penetrating power, ensures high-quality sound effect.

This application is through radially being provided with a plurality of lines on first vibrating diaphragm 11, the second vibrating diaphragm 12, can strengthen the intensity of diaphragm to make first vibrating diaphragm 11, second vibrating diaphragm 12 non-deformable and sound can ensure more even steady of sound when the vibrating diaphragm received sound vibration.

During assembly, the first diaphragm 11 and the second diaphragm 12 are stacked, the first inner diameter film 111 and the second inner diameter film 112 are stacked, radially arranged lines on the first diaphragm 11 and the second diaphragm 12 are matched and stacked together, and then the first diaphragm 11 and the second diaphragm 12 are combined to form the first film layer. And superposing and compounding the third diaphragm 13 and the fourth diaphragm 14, and then compounding the third diaphragm and the first film layer to obtain the diaphragm of the present application. The film layer obtained by compounding in the embodiment of the application is thin in thickness, so that the bass effect is better.

For the audio effect of bass and treble can't be compromise simultaneously to prior art's diaphragm, this application the diaphragm carries out compound formation through adopting first vibrating diaphragm, second vibrating diaphragm, third vibrating diaphragm and fourth vibrating diaphragm multilayer vibrating diaphragm, and the third vibrating diaphragm is graphite alkene vibrating diaphragm, has compromise the characteristics that the thickness of diaphragm is thin and hardness is hard, the diaphragm is in the sense of hearing better ductility of satisfying the high frequency, and the sound effect of the good high pitch of balance that can be better and bass, sound is limpid nature, be rich in the penetrating power, but guarantee the high-quality effect of sound.

Example two

The embodiment of the application also provides a manufacturing method of the diaphragm, which comprises the following steps:

s1, compounding the first diaphragm and the second diaphragm to obtain a first film layer;

specifically, a first vibrating diaphragm and a second vibrating diaphragm are compounded at a high temperature of 100-120 ℃ by adopting a compound film machine;

in this embodiment, the first diaphragm 11 is a PU diaphragm, and the second diaphragm is a PET diaphragm.

S2, compounding the third diaphragm and the fourth diaphragm to obtain a second film layer;

specifically, the third vibrating diaphragm and the fourth vibrating diaphragm are placed in a vacuum coating machine, and the third vibrating diaphragm and the fourth vibrating diaphragm are compounded at the high temperature of 430-470 ℃; in this embodiment, the third diaphragm and the fourth diaphragm are preferably combined in a high temperature environment of 450 °.

The third diaphragm 13 is a graphene diaphragm, and the fourth diaphragm is a PET diaphragm.

And S3, compounding the first film layer and the second film layer to obtain the membrane.

Specifically, the first film layer and the second film layer are placed in a high-temperature air hot-press forming machine at 80 ° to 140 ° to be combined together, so as to form the film described in the present application, and in this embodiment, the first film layer and the second film layer are preferably combined at a high temperature of 110 °.

According to the method, the first diaphragm and the second diaphragm are compounded to form the first diaphragm under the high-temperature condition; form the second diaphragm with third diaphragm, fourth diaphragm complex, then obtain the diaphragm with first diaphragm and second diaphragm complex under high temperature, through this application embodiment the method is made and is obtained the ductility that the diaphragm can make the high frequency obtains better performance for the loudspeaker that has this diaphragm can send the sound of high-fidelity, can compromise the sound effect of high pitch and bass simultaneously, ensures high-quality sound effect.

The diaphragm manufactured by the method disclosed by the embodiment of the application has the characteristics of thin thickness and hard hardness, so that the whole loudspeaker is thin in thickness and small in size; use this application loudspeaker better satisfy the ductility of high frequency in the sense of hearing, and the sound effect of the good high pitch of balance that can be better and bass, sound is clear nature, is rich in the penetrating power, but ensures the high-quality effect of sound.

EXAMPLE III

Please refer to fig. 3, fig. 4 and fig. 5, which are schematic structural views of a speaker made of the diaphragm according to the first embodiment of the present invention. Only the portions related to the present embodiment are shown for convenience of explanation.

Referring to fig. 4 and 5, the speaker of the present embodiment includes the diaphragm 10, the voice coil 20, the magnet 30, the bracket 40, and the protective cover 50 according to one embodiment. A copper ring 60 is arranged around the outside of the diaphragm 10, and the edges of the diaphragms in the diaphragm 10 are further fixed into a whole by the copper ring 60.

A circular fixing groove 401 recessed toward one side is formed in one end surface of the support 40, a sound outlet hole 402 is formed in the support 40 around the fixing groove 401, the voice coil 20 and the magnet 30 are both disposed in the fixing groove 401, and the magnet is disposed in the voice coil 20. One side end face of the bracket 40 is recessed, so that a circular boss 403 is formed on the other side end face of the bracket 40.

The protective cover 50 covers and fixes the support 40, the protective cover 50 is matched with the support 40 in shape and is circular, and a plurality of sound holes are formed in the protective cover 50.

The diaphragm 10 includes a first diaphragm 11, a second diaphragm 12, a third diaphragm 13, and a fourth diaphragm 14. The structures and assembly relations of the first diaphragm 11, the second diaphragm 12, the third diaphragm 13 and the fourth diaphragm 14 are described in the first embodiment, and are not described herein again. The diaphragm 10 is disposed on the support 40, and one end of the diaphragm 10, which is formed by combining the third diaphragm 13 and the fourth diaphragm 14, is close to the magnet 30.

In one embodiment, the horn further includes a washer 70 having a radius identical to that of the magnet 30, the washer being disposed on the magnet and disposed in the fixing groove 401 together with the magnet.

In one embodiment, the horn further comprises a tuning net 80, and the tuning net 80 is semi-annular and fixed on the outer side of the boss 403 on the other end face of the bracket.

The loudspeaker also comprises a PCB (printed circuit board) 90, and all control circuits for controlling the loudspeaker to work are integrated on the PCB 90.

This application embodiment loudspeaker, the diaphragm of constituteing through the vibrating diaphragm that adopts multilayer different structure can ensure the sound effect of high pitch and bass, ensures high-quality sound effect, and the tone quality that the sound was originally restored, and the sense of space and the degree of distinguishing of sound can obtain very big improvement, very big promotion user's experience sense.

The thickness of the horn manufactured by using the diaphragm of the embodiment of the application is thin, the thickness of the manufactured horn is only 13MM, and the volume of the whole horn is small; use this application loudspeaker better satisfy the ductility of high frequency in the sense of hearing, and the sound effect of the good high pitch of balance that can be better and bass, sound is limpid nature, is rich in the penetrating power, but ensures the high-quality effect of sound, improves user experience and feels.

Example four

This embodiment still provides an earphone, the earphone includes earphone front shell and earphone backshell, the earphone front shell with the earphone backshell forms a cavity, be provided with in the cavity loudspeaker and PCB circuit board. And a circuit for controlling the earphone to work is integrated on the PCB. The specific structure of the horn is described in the third embodiment, and is not described herein again.

The embodiment of the application the earphone can well balance the sound effect of high pitch and low pitch, the sound is clear and natural and rich in penetrating power, the high-quality effect of the sound is ensured, and the user experience is improved.

The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, without thereby limiting the scope of the invention. Any modification, equivalent replacement and improvement made by those skilled in the art without departing from the scope and spirit of the present invention should be within the scope of the claims of the present invention.

Claims (10)

1. A diaphragm is characterized by comprising a first diaphragm and a second diaphragm, wherein the first diaphragm comprises a first diaphragm and a second diaphragm; the second film layer comprises a third vibrating diaphragm and a fourth vibrating diaphragm, the first vibrating diaphragm is compounded with the second vibrating diaphragm, the third vibrating diaphragm is compounded with the fourth vibrating diaphragm, the first film layer is compounded with the second film layer through the second vibrating diaphragm, the third vibrating diaphragm is compounded with the third vibrating diaphragm, and the third vibrating diaphragm is a graphene vibrating diaphragm.

2. The diaphragm of claim 1, wherein said first diaphragm is a PU diaphragm.

3. The diaphragm of claim 1, wherein said second diaphragm is a PET diaphragm.

4. The diaphragm of claim 1, wherein said fourth diaphragm is a PET diaphragm.

5. The diaphragm of claim 1, wherein the surfaces of the first diaphragm and the second diaphragm have a plurality of radially arranged ridges.

6. The diaphragm of claim 1, wherein a middle portion of a surface of the first diaphragm is recessed to one side to form a circular first inner diameter film; the middle part of one surface of the second vibrating diaphragm is sunken towards one side to form a circular second inner diameter film; the first inner diameter membrane is the same inner diameter as the second inner diameter membrane.

7. A loudspeaker comprising a support, a voice coil and a magnet arranged on the support, characterized by a diaphragm according to any of claims 1-6, said diaphragm being arranged fixed to said support.

8. The horn of claim 7, wherein a copper ring is disposed around the exterior of said diaphragm.

9. The speaker of claim 7, wherein a fixing groove depressed toward one side is provided on one end surface of the holder, and the voice coil and the magnet are both disposed in the fixing groove;

the loudspeaker also comprises a washer which is arranged on the magnet and is arranged in the fixing groove together with the magnet.

10. An earphone, characterized in that it comprises a loudspeaker according to any one of claims 7 to 9.

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