CN220307310U - Double-sided vibration loudspeaker and bone conduction earphone - Google Patents
Double-sided vibration loudspeaker and bone conduction earphone Download PDFInfo
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- CN220307310U CN220307310U CN202320897329.7U CN202320897329U CN220307310U CN 220307310 U CN220307310 U CN 220307310U CN 202320897329 U CN202320897329 U CN 202320897329U CN 220307310 U CN220307310 U CN 220307310U
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 24
- 230000005389 magnetism Effects 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 19
- 230000000694 effects Effects 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 239000012634 fragment Substances 0.000 description 17
- 125000006850 spacer group Chemical group 0.000 description 6
- 230000005426 magnetic field effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 210000003027 ear inner Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 210000002751 lymph Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model relates to a double-sided vibration horn and a bone conduction earphone, which comprise a magnet unit, wherein the magnet unit comprises a first magnet and a second magnet which are opposite in magnetism; a support frame capable of accommodating the magnet unit; a flexible circuit board; the vibration conduction unit comprises a panel and an elastic piece unit, wherein the elastic piece unit comprises a first elastic piece and a second elastic piece, and the panel, the first elastic piece and the second elastic piece are sequentially arranged along the height direction; and the voice coil is connected with the flexible circuit board and the first elastic sheet. The utility model can effectively improve the vibration effect and enhance the transmission effect of sound. Further, the thicknesses of the voice coil and the magnet unit are reduced, so that the voice coil and the magnet unit are thinned, the overall thickness of the loudspeaker is reduced, space is saved, the volume of the bone conduction earphone adopting the double-sided vibration loudspeaker can be reduced in response, and the weight is reduced on the basis of vibration enhancement, so that the comfort of the bone conduction earphone when being worn is effectively improved.
Description
Technical Field
The utility model relates to the technical field of vibration horns, in particular to a double-sided vibration horn and a bone conduction earphone.
Background
Bone conduction is a sound conduction mode, i.e. converting sound into mechanical vibrations of different frequencies, transmitting sound waves through the skull, bone labyrinth, inner ear lymph, screw, auditory center of a person. Compared with the classical sound conduction mode of generating sound waves through a vibrating diaphragm, the bone conduction omits a plurality of sound wave transmission steps, so that people can still obtain clear sound in a noisy environment, and the sound can not influence other people because of the propagation of the sound in the air, and the bone conduction earphone is made of the bone conduction principle.
The inside vibration loudspeaker of current bone conduction earphone, its voice coil loudspeaker voice coil links to each other with vibration panel, transmits vibration panel through the vibration of voice coil loudspeaker voice coil, and rethread vibration panel transmits the sound to the skull etc. of people, because still has other parts on the vibration loudspeaker, consequently when vibration transmission to the human body, the vibration effect weakens, influences the transmission effect of sound.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defects in the prior art, and provide the double-sided vibration horn and the bone conduction earphone, wherein the double-shrapnel design is adopted, so that the horn is stronger in vibration sense when in vibration, the horn is easier to drive, electricity is saved, and the thicknesses of the voice coil and the magnet unit are designed to be thinner, so that the whole thickness of the horn can be reduced, the space is saved, and further, the volume of the bone conduction earphone adopting the double-sided vibration horn can be correspondingly reduced, and the volume is reduced and the weight is reduced on the basis of vibration enhancement, so that the comfort when the bone conduction earphone is worn is effectively improved.
In order to solve the technical problems, the utility model provides a double-sided vibration horn, which comprises,
the magnet unit comprises a first magnet and a second magnet with opposite magnetism, and the first magnet is sleeved with the second magnet;
a support frame capable of accommodating the magnet unit;
a flexible circuit board connected to the support frame;
the vibration conduction unit comprises a panel and an elastic piece unit, wherein the elastic piece unit comprises a first elastic piece and a second elastic piece, the panel, the first elastic piece and the second elastic piece are sequentially arranged along the height direction, and the second elastic piece is connected with the supporting frame;
the voice coil is connected with the flexible circuit board and the first elastic sheet, and is positioned between the magnet unit and the panel.
Preferably, the voice coil is symmetrically provided with a first lead and a second lead, and the first lead and the second lead are connected with a bonding pad of the flexible circuit board.
Preferably, the support frame comprises a support ring, and a first support block and a second support block symmetrically arranged on the support ring, wherein the first support block extends along the height direction of the support ring, the second support block extends along the height direction of the support ring, and the first support block and the second support block are identical.
Preferably, the flexible circuit board comprises a first substrate, a connecting part and a second substrate which are sequentially connected, wherein the first substrate and the second substrate are respectively arranged on two sides of the supporting ring, the first substrate is connected with the first supporting block and the second supporting block, and the connecting part is arranged along the side wall of the first supporting block.
Preferably, the second elastic sheet is connected with the first supporting block and the second supporting block.
Preferably, the first elastic sheet and the second elastic sheet have the same shape.
Preferably, one side of the first elastic sheet is connected with the panel, and the other side of the first elastic sheet is connected with the flexible circuit board.
Preferably, the device further comprises a gasket, the gasket is connected with the magnet unit, the gasket is located between the magnet unit and the second elastic sheet, and the gasket is further connected with the second elastic sheet.
Preferably, the projections of the panel, the magnet unit and the gasket in the height direction coincide.
Preferably, the projection of the shrapnel unit and the flexible circuit board along the height direction is coincident.
The utility model also provides a bone conduction earphone, which comprises an earphone body and the double-sided vibration horn, wherein the double-sided vibration horn is arranged on the earphone body.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the utility model discloses a double-sided vibration loudspeaker, which is provided with a magnet unit, a support frame, a flexible circuit board, a vibration conduction unit and a voice coil, wherein the voice coil is adhered on the flexible circuit board, the flexible circuit board is connected with a first elastic sheet, the upper surface of the first elastic sheet is connected with a panel, the lower surface of the first elastic sheet is connected with the support frame, and a second elastic sheet is arranged at the bottom of the support frame and is connected with the support frame. So, work as after the flexible circuit board intercommunication alternating current, flexible circuit board and voice coil loudspeaker voice coil switch on, the voice coil loudspeaker voice coil is under the magnetic field effect, along the up-and-down vibration of direction of height, the voice coil loudspeaker voice coil drives first shell fragment up-and-down vibration, thereby first shell fragment drives the panel vibrates from top to bottom, because first shell fragment and braced frame link to each other, braced frame and second shell fragment link to each other, thereby the second shell fragment also vibrates from top to bottom simultaneously, from this, the upper and lower all can vibrate of two-sided vibration loudspeaker, thereby the sense of vibration is stronger, effectively improves vibration effect, the transmission effect of reinforcing sound. Further, the thicknesses of the voice coil and the magnet unit are reduced, so that the voice coil and the magnet unit are thinned, the overall thickness of the loudspeaker is reduced, space is saved, and furthermore, the volume of the bone conduction earphone adopting the double-sided vibration loudspeaker can be reduced in response, and on the basis of vibration enhancement, the volume is reduced, the weight is reduced, so that the comfort of wearing the bone conduction earphone is effectively improved.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
Fig. 1 is a schematic overall structure of a preferred embodiment of the present utility model.
Fig. 2 is an exploded view of a preferred embodiment of the present utility model.
Fig. 3 is a top view of a preferred embodiment of the present utility model.
Fig. 4 is a schematic cross-sectional structure of a front view of a preferred embodiment of the present utility model.
Description of the specification reference numerals: 11. a first magnet; 12. a second magnet; 2. a panel; 31. a first elastic sheet; 32. a second spring plate; 4. a voice coil; 41. a first lead; 42. a second lead; 50. a support ring; 51. a first support block; 52. a second support block; 61. a first substrate; 62. a connection part; 63. a second substrate; 7. a gasket.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Example 1
Referring to fig. 1 to 4, the present utility model discloses a double-sided vibration horn, comprising,
the magnet unit comprises a first magnet 11 and a second magnet 12 with opposite magnetism, wherein the second magnet 12 is sleeved on the first magnet 11, the thicknesses of the first magnet 11 and the second magnet 12 are the same, the first magnet 11 is annular, the shape of the second magnet 12 is matched with that of the first magnet 11, the second magnet 12 is embedded in the first magnet 11, and an included angle between the magnetic induction line direction of the first magnet 11 and the second magnet 12 and the horizontal plane is an acute angle. The method comprises the steps of carrying out a first treatment on the surface of the
A support frame capable of accommodating the magnet unit, the magnet unit being disposed within the support frame;
a flexible circuit board connected to the support frame;
the vibration conduction unit comprises a panel 2 and an elastic piece unit, wherein the elastic piece unit comprises a first elastic piece 31 and a second elastic piece 32, the panel 2, the first elastic piece 31 and the second elastic piece 32 are sequentially arranged along the height direction, and the second elastic piece 32 is arranged at the bottom of the supporting frame and is connected with the supporting frame;
the voice coil 4, it with flexible circuit board bonds, flexible circuit board links to each other with first shell fragment 31, voice coil 4 is located between magnet unit and the panel 2, first shell fragment 31 links to each other with panel 2, it is to be noted that voice coil 4 is flat cyclic annular, there is the interval between voice coil 4 and the magnet unit, for the vibration of voice coil 4 leaves the space, is convenient for voice coil 4 vibrates.
It can be known that the double-sided vibration horn to be protected is provided with a magnet unit, a support frame, a flexible circuit board, a vibration conduction unit and a voice coil, wherein the voice coil is adhered to the flexible circuit board, the flexible circuit board is connected with a first elastic sheet, the upper surface of the first elastic sheet is connected with the panel, the lower surface of the first elastic sheet is connected with the support frame, and the second elastic sheet is arranged at the bottom of the support frame and is connected with the support frame. So, work as after the flexible circuit board intercommunication alternating current, flexible circuit board and voice coil loudspeaker voice coil switch on, the voice coil loudspeaker voice coil is under the magnetic field effect, along the up-and-down vibration of direction of height, the voice coil loudspeaker voice coil drives first shell fragment up-and-down vibration, thereby first shell fragment drives the panel vibrates from top to bottom, because first shell fragment and braced frame link to each other, braced frame and second shell fragment link to each other, thereby the second shell fragment also vibrates from top to bottom simultaneously, from this, the upper and lower all can vibrate of two-sided vibration loudspeaker, thereby the sense of vibration is stronger, effectively improves vibration effect, the transmission effect of reinforcing sound. Further, the thicknesses of the voice coil and the magnet unit are reduced, so that the voice coil and the magnet unit are thinned, the overall thickness of the loudspeaker is reduced, space is saved, and furthermore, the volume of the bone conduction earphone adopting the double-sided vibration loudspeaker can be reduced in response, and on the basis of vibration enhancement, the volume is reduced, the weight is reduced, so that the comfort of wearing the bone conduction earphone is effectively improved.
Specifically, the voice coil 4 is symmetrically provided with a first lead 41 and a second lead 42, in this embodiment, the voice coil 4 is in a flat oval shape, the first lead 41 and the second lead 42 are symmetrically disposed along a central axis of the voice coil 4, and the first lead 41 and the second lead 42 are connected with a pad of the flexible circuit board through wires.
Further, the support frame includes a support ring 50, and a first support block 51 and a second support block 52 symmetrically disposed on the support ring 50, the first support block 51 extends along the height direction of the support ring 50, the second support block 52 extends along the height direction of the support ring, the thickness of the first support block 51 is greater than the thickness of the support ring 50, the thickness of the second support block 52 is greater than the thickness of the support ring 50, and the first support block 51 and the second support block 52 are the same.
From the detail, the flexible circuit board includes a first substrate 61, a connecting portion 62 and a second substrate 63 that are sequentially connected, the first substrate 61 and the second substrate 63 are respectively disposed on two sides of the support ring 50, the first substrate 61 is connected to the upper surfaces of the first support block 51 and the second support block 52, the connecting portion 62 is disposed along the side wall of the first support block 51, and the connecting portion 62 is perpendicular to the first substrate 61 and the second substrate 62.
It should be noted that the second elastic piece 32 is connected to the first supporting block 51 and the second supporting block 52, and specifically, the second elastic piece 32 is connected to the lower surfaces of the first supporting block 51 and the second supporting block 52.
The first elastic piece 31 and the second elastic piece 32 have the same shape.
Further, the double-sided vibration horn further includes a spacer 7, it should be noted that the spacer 7 is made of an elastic material, the spacer 7 is disposed at the bottom of the magnet unit and the spacer 7 is connected with the magnet unit, and the spacer 7 is used for fixing the magnet unit. The gasket 7 is located between the magnet unit and the second elastic piece 32, the gasket 7 is further connected with the second elastic piece 32, and the gasket 7 vibrates under the driving of the second elastic piece 32, so that the magnet unit also vibrates under the driving of the gasket 7.
Further, the projections of the panel 2, the magnet unit and the spacer 7 in the height direction coincide. And the projection of the elastic sheet unit and the flexible circuit board along the height direction is overlapped. Therefore, the double-vibration loudspeaker is lighter, and space is greatly saved.
Example 2
The utility model also discloses a bone conduction earphone which comprises an earphone body and the double-sided vibration loudspeaker, wherein the earphone body is provided with a placing part for placing the double-sided vibration loudspeaker, and the double-sided vibration loudspeaker is arranged on the earphone body.
In summary, the utility model provides a double-sided vibration horn, which is provided with a magnet unit, a support frame, a flexible circuit board, a vibration conduction unit and a voice coil, wherein the voice coil is bonded on the flexible circuit board, the flexible circuit board is connected with a first elastic sheet, the upper surface of the first elastic sheet is connected with the panel, the lower surface of the first elastic sheet is connected with the support frame, and the second elastic sheet is arranged at the bottom of the support frame and is connected with the support frame. So, work as after the flexible circuit board intercommunication alternating current, flexible circuit board and voice coil loudspeaker voice coil switch on, the voice coil loudspeaker voice coil is under the magnetic field effect, along the up-and-down vibration of direction of height, the voice coil loudspeaker voice coil drives first shell fragment up-and-down vibration, thereby first shell fragment drives the panel vibrates from top to bottom, because first shell fragment and braced frame link to each other, braced frame and second shell fragment link to each other, thereby the second shell fragment also vibrates from top to bottom simultaneously, from this, the upper and lower all can vibrate of two-sided vibration loudspeaker, thereby the sense of vibration is stronger, effectively improves vibration effect, the transmission effect of reinforcing sound. Further, the thicknesses of the voice coil and the magnet unit are reduced, so that the voice coil and the magnet unit are thinned, the overall thickness of the loudspeaker is reduced, space is saved, and furthermore, the volume of the bone conduction earphone adopting the double-sided vibration loudspeaker can be reduced in response, and on the basis of vibration enhancement, the volume is reduced, the weight is reduced, so that the comfort of wearing the bone conduction earphone is effectively improved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (11)
1. A double-sided vibration horn, characterized in that: comprising the steps of (a) a step of,
the magnet unit comprises a first magnet and a second magnet with opposite magnetism, and the first magnet is sleeved with the second magnet;
a support frame capable of accommodating the magnet unit;
a flexible circuit board connected to the support frame;
the vibration conduction unit comprises a panel and an elastic piece unit, wherein the elastic piece unit comprises a first elastic piece and a second elastic piece, the panel, the first elastic piece and the second elastic piece are sequentially arranged along the height direction, and the second elastic piece is connected with the supporting frame;
the voice coil is connected with the flexible circuit board and the first elastic sheet, and is positioned between the magnet unit and the panel.
2. A double-sided vibration horn according to claim 1, wherein: the voice coil is symmetrically provided with a first lead and a second lead, and the first lead and the second lead are connected with a bonding pad of the flexible circuit board.
3. A double-sided vibration horn according to claim 1, wherein: the support frame comprises a support ring, and a first support block and a second support block which are symmetrically arranged on the support ring, wherein the first support block extends along the height direction of the support ring, the second support block extends along the height direction of the support ring, and the first support block and the second support block are identical.
4. A double sided vibration horn according to claim 3, wherein: the flexible circuit board comprises a first substrate, a connecting part and a second substrate which are sequentially connected, wherein the first substrate and the second substrate are respectively arranged on two sides of the supporting ring, the first substrate is connected with the first supporting block and the second supporting block, and the connecting part is arranged along the side wall of the first supporting block.
5. A double sided vibration horn according to claim 3, wherein: the second elastic piece is connected with the first supporting block and the second supporting block.
6. A double-sided vibration horn according to claim 1, wherein: the first elastic piece and the second elastic piece are identical in shape.
7. A double-sided vibration horn according to claim 1, wherein: one side of the first elastic piece is connected with the panel, and the other side of the first elastic piece is connected with the flexible circuit board.
8. A double-sided vibration horn according to claim 1, wherein: the novel magnetic force sensor comprises a magnetic unit, a gasket, a second elastic sheet and a support, wherein the magnetic unit is arranged between the magnetic unit and the support, the gasket is connected with the magnetic unit, the gasket is positioned between the magnetic unit and the second elastic sheet, and the gasket is also connected with the second elastic sheet.
9. A double-sided vibration horn according to claim 1, wherein: the projections of the panel, the magnet unit and the gasket along the height direction are overlapped.
10. A double-sided vibration horn according to claim 1, wherein: the projection of the elastic sheet unit and the flexible circuit board along the height direction is overlapped.
11. A bone conduction headset, characterized in that: comprising an earphone body and a double-sided vibration horn as claimed in any one of claims 1 to 10, said double-sided vibration horn being mounted on said earphone body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320897329.7U CN220307310U (en) | 2023-04-17 | 2023-04-17 | Double-sided vibration loudspeaker and bone conduction earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320897329.7U CN220307310U (en) | 2023-04-17 | 2023-04-17 | Double-sided vibration loudspeaker and bone conduction earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220307310U true CN220307310U (en) | 2024-01-05 |
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ID=89346752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320897329.7U Active CN220307310U (en) | 2023-04-17 | 2023-04-17 | Double-sided vibration loudspeaker and bone conduction earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220307310U (en) |
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2023
- 2023-04-17 CN CN202320897329.7U patent/CN220307310U/en active Active
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