CN216162849U

CN216162849U - High stability speaker

Info

Publication number: CN216162849U
Application number: CN202122211130.8U
Authority: CN
Inventors: 黄锦堂; 莫焕秋; 钟敏; 韩介清; 尤信; 许文标; 鲁浪
Original assignee: Guangxi Hezhou Tianlai Electronic Technology Co ltd
Current assignee: Guangxi Hezhou Tianlai Electronic Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-04-01
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to a high-stability loudspeaker which comprises a shell, a vibration assembly and a magnetic circuit assembly, wherein the vibration assembly and the magnetic circuit assembly are arranged in the shell, the vibration assembly comprises a vibrating diaphragm, an elastic sheet and a voice coil, the upper end of the shell is fixedly connected with the vibrating diaphragm, the lower end of the shell is fixedly connected with the magnetic circuit assembly, a groove is formed in one end face, close to the vibrating diaphragm, of the shell, the elastic sheet is arranged in the groove, and the voice coil is arranged between the magnetic circuit assembly and the vibrating diaphragm. The loudspeaker adopts the elastic sheet to replace a voice coil lead, so that the motion stability, the acoustic characteristic and the service life of the loudspeaker are improved.

Description

High stability speaker

Technical Field

The utility model relates to the technical field of loudspeakers, in particular to a high-stability loudspeaker.

Background

The voice unit of the moving-coil earphone is characterized in that a voice coil is fixed on a vibrating diaphragm and is arranged in a fixed magnetic field, and a signal cuts magnetic lines of force through a coil so as to drive the vibrating diaphragm to vibrate and sound. The voice coil loudspeaker voice coil is as the core subassembly of earphone, and the inside voice coil loudspeaker voice coil of present most earphones passes through the voice coil loudspeaker voice coil lead wire and realizes electric connection with the welding of PCB board, but the problem such as broken string, welding are bad, stability is relatively poor appears easily in voice coil loudspeaker voice coil lead wire welded structure, and then influences function, quality and the life of earphone. Based on this, it is necessary to improve the internal structure of the sound generating unit of the moving-coil earphone and to replace the voice coil leads with other components to improve the stability and the service life of the earphone.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a high-stability loudspeaker, wherein the loudspeaker adopts a spring sheet to replace a voice coil lead, so that the motion stability, the acoustic characteristic and the service life of the loudspeaker are improved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a high stability speaker, includes the shell and installs vibration subassembly and magnetic circuit assembly in the shell, the vibration subassembly includes vibrating diaphragm, shell fragment and voice coil loudspeaker voice coil, the upper end and the vibrating diaphragm fixed connection of shell, the lower extreme and the magnetic circuit assembly fixed connection of shell, a terminal surface that the shell is close to the vibrating diaphragm is provided with the recess, the shell fragment is installed in the recess, the voice coil loudspeaker voice coil sets up between magnetic circuit assembly and vibrating diaphragm.

Furthermore, the magnetic circuit assembly comprises a U iron, a magnet and a washer, a cavity is formed in the U iron, the magnet and the washer are stacked in the cavity, and the washer is located above the magnet.

Furthermore, a magnetic gap is formed between the periphery of the magnet and the washer and the inner side wall of the U-shaped iron, and the lower end part of the voice coil extends into the magnetic gap.

Furthermore, coaxial through holes are formed in the center parts of the U iron, the magnet and the washer.

Further, the shell includes support and face lid, the support is the basin form, the lower extreme of support is connected with the lateral wall of U iron, the upper end and the vibrating diaphragm of support are connected, the top of vibrating diaphragm is provided with the face lid, the edge of face lid is connected with the top of support.

Furthermore, the elastic sheet is a metal elastic sheet, and the elastic sheet is electrically connected with the voice coil.

Furthermore, the shell fragment includes anodal shell fragment and negative pole shell fragment, anodal shell fragment and negative pole shell fragment symmetry are installed in the middle part of support.

Furthermore, a plurality of sound adjusting holes are formed in the middle of the support and distributed in an annular array.

Further, the vibrating diaphragm is made of fiber paper, a composite film or superfine fiber PU cloth.

The utility model has the beneficial effects that: the high-stability loudspeaker is ingenious in structural design, simple to assemble, light in weight and good in acoustic characteristic. The metal elastic sheet replaces a voice coil lead wire in a traditional loudspeaker, so that the vibrating diaphragm and the voice coil are supported to be conductive, and the motion stability and reliability of the loudspeaker are enhanced.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is a schematic structural diagram after the surface cover and the diaphragm are hidden in the present invention.

The reference signs are: 1-vibrating diaphragm, 2-elastic sheet, 3-voice coil, 4-bracket, 5-U iron, 6-magnet, 7-washer, 8-groove, 9-surface cover, 10-through hole and 11-tone hole.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1-4.

Examples

As shown in fig. 1-4, a high-stability speaker includes a housing, and a vibration assembly and a magnetic circuit assembly installed in the housing, where the vibration assembly includes a vibrating diaphragm 1, a spring plate 2, and a voice coil 3, the upper end of the housing is fixedly connected to the vibrating diaphragm 1, the lower end of the housing is fixedly connected to the magnetic circuit assembly, a groove 8 is formed in an end surface of the housing close to the vibrating diaphragm 1, the spring plate 2 is installed in the groove 8, and the voice coil 3 is installed between the magnetic circuit assembly and the vibrating diaphragm 1.

The loudspeaker provided by the utility model has the advantages of ingenious structure, simplicity in installation and light weight, and replaces the voice coil lead of the traditional loudspeaker through the design of the elastic sheet 2, so that the vibrating diaphragm 1 and the voice coil 3 are supported to be conductive, and the motion stability of the loudspeaker is enhanced. The elastic sheet 2 is arranged in the shell, so that the position of the elastic sheet 2 is fixed and is not easy to move.

The high-stability loudspeaker comprises a U-shaped iron 5, a magnet 6 and a washer 7, wherein a cavity is formed in the U-shaped iron 5, the magnet 6 and the washer 7 are stacked in the cavity, and the washer 7 is located above the magnet 6. Further, a magnetic gap is formed between the periphery of the magnet 6 and the washer 7 and the inner side wall of the U-shaped iron 5, and the lower end portion of the voice coil 3 extends into the magnetic gap.

According to the high-stability loudspeaker, the U-shaped iron 5, the magnet 6 and the washer 7 are provided with coaxial through holes 10 at the central parts. The through holes 10 facilitate the assembly of the speaker and facilitate the heat dissipation of the speaker.

The high-stability loudspeaker comprises a shell, wherein the shell comprises a support 4 and a face cover 9, the support 4 is in a basin shape, the lower end of the support 4 is connected with the outer side wall of a U-shaped iron 5, the upper end of the support 4 is connected with a vibrating diaphragm 1, the face cover 9 is arranged above the vibrating diaphragm 1, and the edge of the face cover 9 is connected with the top end of the support 4. Wherein, the bracket 4 is used for connecting the magnetic circuit component and the vibration component and has the functions of supporting and protecting. The face cover is used for protecting the vibrating diaphragm 1 and forming a sound cavity, dust and impurities can be prevented from entering the loudspeaker, and the structural strength and stability of the loudspeaker can be improved by combining with the vibrating diaphragm 1.

According to the high-stability loudspeaker, the elastic sheet 2 is a metal elastic sheet, and the elastic sheet 2 is electrically connected with the voice coil 3. Furthermore, the elastic sheet 2 comprises a positive elastic sheet and a negative elastic sheet, and the positive elastic sheet and the negative elastic sheet are symmetrically arranged in the middle of the support 4. Specifically, the design of metal shrapnel can replace the voice coil loudspeaker voice coil lead wire as the conducting part between voice coil loudspeaker voice coil 3 and the circuit, metal shrapnel's intensity is high, the preparation is easy, has reduced the threading and the welding process of voice coil loudspeaker voice coil lead wire, has also avoided the problem of voice coil loudspeaker voice coil lead wire stub, welding harmfully and poor stability, is favorable to improving the stability and the life of speaker.

According to the high-stability loudspeaker, the middle of the support 4 is provided with the plurality of sound adjusting holes 11, and the plurality of sound adjusting holes 11 are distributed in an annular array. Specifically, the tuning hole 11 is used for communicating the external environment with the inner cavity of the speaker, so that air flows in and out of the speaker, air pressure in the inner cavity of the speaker is balanced, and the heat dissipation effect of the speaker is enhanced. In addition, different sound effects of the loudspeaker can be achieved by adjusting the air flow of the sound adjusting hole 11, and the design of the low air resistance is beneficial to improving the medium-high frequency definition of the loudspeaker.

The utility model relates to a high-stability loudspeaker, wherein a vibrating diaphragm 1 is made of fiber paper, a composite film or superfine fiber PU cloth. Specifically, the material of vibrating diaphragm 1 is nonwoven fiber paper, bubble cotton complex film, TPEE complex film, 20dyn superfine fiber PU cloth or 30dyn superfine fiber PU cloth, and above-mentioned material is the material among the prior art, only does the application here, and the quality of above-mentioned vibrating diaphragm 1 material is light, intensity is high and inside damping is appropriate, and the vibrating diaphragm 1 that adopts above-mentioned material can effectively improve the acoustic characteristic and the product quality of speaker.

Claims

1. A high stability speaker, characterized by: the vibration component comprises a shell, and a vibration component and a magnetic circuit component which are arranged in the shell, wherein the vibration component comprises a vibrating diaphragm, an elastic sheet and a voice coil, the upper end of the shell is fixedly connected with the vibrating diaphragm, the lower end of the shell is fixedly connected with the magnetic circuit component, a groove is formed in one end face, close to the vibrating diaphragm, of the shell, the elastic sheet is arranged in the groove, and the voice coil is arranged between the magnetic circuit component and the vibrating diaphragm.

2. A high stability loudspeaker according to claim 1, wherein: the magnetic circuit assembly comprises a U iron, a magnet and a washer, a cavity is arranged inside the U iron, the magnet and the washer are stacked in the cavity, and the washer is located above the magnet.

3. A high stability loudspeaker according to claim 2, wherein: a magnetic gap is arranged between the periphery of the magnet and the washer and the inner side wall of the U-shaped iron, and the lower end part of the voice coil extends into the magnetic gap.

4. A high stability loudspeaker according to claim 2, wherein: coaxial through holes are formed in the center parts of the U iron, the magnet and the washer.

5. A high stability loudspeaker according to claim 1, wherein: the shell comprises a support and a face cover, the support is in a basin shape, the lower end of the support is connected with the outer side wall of the U-shaped iron, the upper end of the support is connected with the vibrating diaphragm, the face cover is arranged above the vibrating diaphragm, and the edge of the face cover is connected with the top end of the support.

6. A high stability loudspeaker according to claim 1, wherein: the elastic sheet is a metal elastic sheet and is electrically connected with the voice coil.

7. A high stability loudspeaker according to claim 5, wherein: the shell fragment includes anodal shell fragment and negative pole shell fragment, anodal shell fragment and negative pole shell fragment symmetry are installed in the middle part of support.

8. A high stability loudspeaker according to claim 5, wherein: the middle part of the support is provided with a plurality of sound adjusting holes which are distributed in an annular array.

9. A high stability loudspeaker according to claim 1, wherein: the vibrating diaphragm is made of fiber paper, a composite film or superfine fiber PU cloth.