Loudspeaker

Abstract

Provided in the present invention is a loudspeaker, comprising a basket, a vibration system fixed to the basket, and a magnetic circuit system for driving the vibration system to vibrate to produce sound. The vibration system comprises a diaphragm and a voice coil for driving the diaphragm to vibrate. The loudspeaker comprises a spider fixed to the diaphragm, wherein the spider covers and is fixed to the side of the diaphragm away from the voice coil. The loudspeaker further comprises an electrical connector, which penetrates the diaphragm so as to electrically connect the spider and the voice coil. By means of the structure, the spider is fixed to the side of the diaphragm away from the voice coil, such that the spider does not occupy the space in the magnetic circuit system; thus, the loudspeaker has a good acoustic performance.

Description

speaker Technical Field

[0001] The present invention relates to the field of loudspeakers, and in particular to a centering support piece of a loudspeaker. Background Art

[0002] With the rapid development of mobile communication technology in recent years, consumers are increasingly using voice-enabled mobile communication devices, such as mobile phones, handheld game consoles, laptops, multimedia players, and other devices capable of communicating over public or private communication networks. As a voice-enabled device, the magnetic circuit system within the speaker is directly related to the acoustic performance of the product.

[0003] In the related art, the centering supports of the loudspeaker are arranged at the four rounded corners or four sides of the voice coil. The centering supports need to occupy part of the space of the magnetic circuit system, thereby affecting the driving force of the loudspeaker and causing distortion of the loudspeaker.

[0004] Therefore, it is necessary to provide a new speaker to solve the above problems. Technical issues

[0005] The object of the present invention is to provide a loudspeaker with large driving force and good acoustic performance. Technical Solutions

[0006] The technical solution of the present invention is as follows: The present invention provides a loudspeaker, comprising a basket, a vibration system fixed to the basket, and a magnetic circuit system that drives the vibration system to vibrate and produce sound, the vibration system comprising a diaphragm and a voice coil that drives the diaphragm to vibrate, the loudspeaker comprising a centering support fixed to the diaphragm, the centering support covering and fixed to a side of the diaphragm away from the voice coil, the loudspeaker further comprising an electrical connector that passes through the diaphragm and electrically connects the centering support and the voice coil.

[0007] Preferably, the centering support includes an inner ring portion fixed to the diaphragm, an outer ring portion fixed to the basin frame, and a connecting portion connecting the inner ring portion and the outer ring portion.

[0008] Preferably, the centering support is glued onto the top of the diaphragm.

[0009] Preferably, the electrical connector is located at the junction of the inner ring portion and the connecting portion.

[0010] Preferably, the electrical connector includes an upper surface close to the centering support and a lower surface away from the centering support, the upper surface is electrically connected to the lower surface, the upper surface is electrically connected to the centering support, the lower surface is electrically connected to the voice coil, and the centering support is electrically connected to the external circuit.

[0011] Preferably, the material of the electrical connector is one or more of graphene, carbon nanotubes, carbon nanofibers, silver powder, and liquid metal.

[0012] Preferably, the diaphragm includes a dome, a planar portion arranged below the inner ring portion, a folded ring portion arranged around the planar portion, and a fixing portion fixed to the basin frame, and the electrical connector is embedded in the planar portion.

[0013] Preferably, there are two electrical connectors and they are symmetrically arranged around the geometric center point of the diaphragm. The dome is provided with a first opening to avoid the electrical connector, and the planar portion is provided with a second opening to avoid the electrical connector, and the second opening is connected to the first opening.

[0014] Preferably, the diaphragm includes four corners, the fold portion includes folds symmetrically arranged at the corners, and the plurality of folds are radially distributed along the inner edge of the fold portion toward the outer edge.

[0015] Preferably, the loudspeaker further comprises a front cover fixed to the basin frame, and the centering support piece is sandwiched between the front cover and the diaphragm. Beneficial effects

[0016] The benefit of the present invention is that: the present invention provides a loudspeaker, whose centering support is fixed to the side of the diaphragm away from the voice coil. Compared with the related art, the centering support of the present invention does not occupy the space of the magnetic circuit system, thereby increasing the driving force of the loudspeaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive work, among which:

[0018] FIG1 is a schematic diagram of the three-dimensional structure of a loudspeaker provided in an embodiment of the present invention;

[0019] FIG2 is an exploded view of the speaker shown in FIG1 ;

[0020] FIG3 is a perspective view of the speaker shown in FIG1 with the front cover removed;

[0021] FIG4 is a cross-sectional view of the sound generating device shown in FIG1 along line AA. Modes for Carrying Out the Invention

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Please refer to Figures 1-4 at the same time. The present invention provides a speaker 100, which includes a front cover 1, a basin frame 2 fixed to the front cover 1, a centering support plate 3 fixed to the basin frame 2, a vibration system 4, a magnetic circuit system 5 that drives the vibration system 4 to vibrate and produce sound, and an electrical connector 6 electrically connected to the centering support plate 3.

[0024] The front cover 1 includes a main body 11 and a breathable spacer 12 attached to the main body 11 . The main body 11 is provided with a plurality of openings 110 , and the breathable spacer 12 is covered on the plurality of openings 110 .

[0025] The centering support 3 includes an inner ring portion 31, an outer ring portion 32 embedded in the front cover 1, and a connecting portion 33 connecting the inner ring portion 31 and the outer ring portion 32. The connecting portion 33 is a straight strip, and the inner ring portion 31, the outer ring portion 32, and the connecting portion 33 are integrally formed. In other embodiments, the outer ring portion 32 can also be sandwiched between the front cover 1 and the basin frame 2, and the connecting portion 33 can also be a curved strip or other shape.

[0026] The vibration system 4 includes a diaphragm 41, a voice coil 42 that drives the diaphragm 41 to vibrate and produce sound, and a skeleton 43 that supports the diaphragm 41 and the voice coil 42. The centering support 3 is glued to the side of the diaphragm 41 away from the voice coil 42. The centering support 3 does not occupy the space of the magnetic circuit system 5, thereby improving the driving force of the speaker. The centering support 3 is clamped between the front cover 1 and the diaphragm 41.

[0027] The diaphragm 41 includes a dome 411, a plane portion 412 arranged above the dome 411, a folded ring portion 413 arranged around the plane portion 412, and a fixed portion 414 fixed to the basin frame 2. The plane portion 412, the folded ring portion 413 and the fixed portion 414 are integrally formed, the inner ring portion 31 is attached to the plane portion 412, the dome 411 is provided with a first opening 4110 to avoid the electrical connector 6, the plane portion 412 is provided with a second opening 4120 to avoid the electrical connector 6, the second opening 4120 is connected to the first opening 4110, and the electrical connector 6 is embedded in the second opening 4120.

[0028] The folding ring portion 413 further includes four corner portions 4131 . The folding ring portion 413 includes folds 4132 symmetrically arranged at intervals on the corner portions 4131 . The folds 4132 are radially distributed along the inner edge of the folding ring portion 413 toward the outer edge.

[0029] The magnetic circuit system 5 includes a yoke 51, a main magnet 52 arranged above the yoke 51, and a secondary magnet 53 arranged around the main magnet 52. The main magnet 52 and the secondary magnet 53 form a magnetic gap 7. The voice coil 42 is suspended in the magnetic gap 7. The magnetic circuit system 5 also includes a main pole core 54 located above the main magnet 52 and a secondary pole core 55 located above the secondary magnet 53. The secondary pole core 55 is fixed to the basin frame 2.

[0030] The electrical connector 6 is located below the junction of the inner ring portion 31 and the connecting portion 33. The electrical connector 6 includes an upper surface 61 close to the centering support plate 3 and a lower surface 62 away from the centering support plate 3. The upper surface 61 is electrically connected to the lower surface 62. The upper surface 61 is electrically connected to the centering support plate 3, and the lower surface 62 is electrically connected to the voice coil 42. The centering support plate 3 is electrically connected to the external circuit. The electrical connector 6 is made of a conductive material and is electrically connected to the voice coil 42 and the centering support plate 3, thereby achieving electrical connection between the voice coil 42 and the external circuit.

[0031] There are two electrical connectors 6 symmetrically arranged around the geometric center of the diaphragm 41 . In this embodiment, the material of the electrical connector 6 is one or more of graphene, carbon nanotubes, carbon nanofibers, silver powder, and liquid metal.

[0032] Compared with the related art, the present invention provides a loudspeaker, comprising a basin frame, a vibration system fixed to the basin frame, and a magnetic circuit system for driving the vibration system to vibrate and produce sound, the vibration system comprising a diaphragm and a voice coil for driving the diaphragm to vibrate, the loudspeaker comprising a centering support fixed to the diaphragm, the centering support covering and fixed to a side of the diaphragm away from the voice coil, the loudspeaker further comprising an electrical connector penetrating through the diaphragm to electrically connect the centering support and the voice coil. The centering support of the present invention is fixed to a side of the diaphragm away from the voice coil, does not occupy space in the magnetic circuit system, and increases the driving force of the loudspeaker.

[0033] The above description is only an embodiment of the present invention. It should be pointed out that those skilled in the art can make improvements without departing from the creative concept of the present invention, but these improvements all fall within the scope of protection of the present invention.

Claims

1. A loudspeaker comprising a frame, a vibration system fixed to the frame, and a magnetic circuit system for driving the vibration system to vibrate and produce sound, the vibration system comprising a diaphragm and a voice coil for driving the diaphragm to vibrate, the loudspeaker comprising a centering support fixed to the diaphragm, characterized in that: The centering support is covered and fixed to a side of the diaphragm away from the voice coil, and the loudspeaker further comprises an electrical connector penetrating through the diaphragm to electrically connect the centering support and the voice coil.

2. The loudspeaker according to claim 1, wherein The centering support plate includes an inner ring portion fixed to the diaphragm, an outer ring portion fixed to the basin frame, and a connecting portion connecting the inner ring portion and the outer ring portion.

3. The loudspeaker according to claim 2, characterized in that The centering support piece is glued on the top of the diaphragm.

4. The loudspeaker according to claim 2, characterized in that The electrical connector is located at the junction of the inner ring portion and the connecting portion.

5. The loudspeaker according to claim 2, characterized in that The electrical connector includes an upper surface close to the centering support and a lower surface away from the centering support, the upper surface is electrically connected to the lower surface, the upper surface is electrically connected to the centering support, the lower surface is electrically connected to the voice coil, and the centering support is electrically connected to an external circuit.

6. The loudspeaker according to claim 5, characterized in that The material of the electrical connector is one or more of graphene, carbon nanotubes, carbon nanofibers, silver powder, and liquid metal.

7. The loudspeaker according to claim 5, characterized in that The diaphragm includes a dome, a plane portion arranged below the inner ring portion, a folded ring portion arranged around the plane portion, and a fixing portion fixed to the basin frame. The electrical connector is embedded in the plane portion.

8. The loudspeaker according to claim 7, characterized in that There are two electrical connectors and they are symmetrically arranged around the geometric center point of the diaphragm. The dome is provided with a first opening to avoid the electrical connector, and the planar portion is provided with a second opening to avoid the electrical connector. The second opening is connected to the first opening.

9. The loudspeaker according to claim 7, characterized in that The diaphragm includes four corners, the fold portion includes folds symmetrically arranged at the corners, and the plurality of folds are radially distributed along the inner edge of the fold portion toward the outer edge.

10. The loudspeaker according to claim 1, wherein The loudspeaker further comprises a front cover fixed to the basin frame, and the centering support piece is sandwiched between the front cover and the diaphragm.

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