CN216600064U

CN216600064U - Single-elastic-sheet type flat-panel loudspeaker

Info

Publication number: CN216600064U
Application number: CN202122543036.2U
Authority: CN
Inventors: 黄锦堂; 唐小峰
Original assignee: Guangxi Hezhou Tianlai Electronic Technology Co ltd
Current assignee: Guangxi Hezhou Tianlai Electronic Technology Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-05-24
Anticipated expiration: 2031-10-21

Abstract

The utility model particularly relates to a single-elastic-piece type flat-panel loudspeaker which comprises a support, a vibration unit and a magnetic unit, wherein the vibration unit and the magnetic unit are connected with the support, the vibration unit comprises a vibration diaphragm, a voice coil and elastic pieces, the vibration diaphragm is fixedly connected with the top end of the support, one end of the voice coil is connected with the vibration diaphragm, the voice coil is arranged in the support, the two elastic pieces are symmetrically arranged on two sides of the bottom end of the support, and the elastic pieces are connected with the voice coil. The flat panel speaker can control the voice coil to stably operate through the design of the elastic sheet, so that the stability, the reliability and the service life of the flat panel speaker are improved.

Description

Single-elastic-sheet type flat-panel loudspeaker

Technical Field

The utility model relates to the technical field of loudspeakers, in particular to a single-elastic-piece type flat panel loudspeaker.

Background

The traditional loudspeaker uses a voice coil to push a paper cone with fixed size to produce sound, and the structure and the characteristics of the traditional loudspeaker determine that the loudspeaker cannot be flattened and miniaturized. The voice coil is used as a driver, and particularly in a high-fidelity system, the power is required to be high, so the requirement on the mechanical strength of the voice coil is high, the high-frequency characteristic is easily and seriously reduced by reinforcing the coil, and therefore, in order to meet the requirements on the mechanical strength and the high-frequency characteristic at the same time, the voice coil usually works in a limit environment and is easily burnt. In order to meet the requirements of people on wide frequency response, wide directivity and miniaturization of a loudspeaker, the flat panel loudspeaker gradually shows advantages, but the existing flat panel loudspeaker is complex in structure, high in assembly and positioning difficulty and high in manufacturing cost, unbalanced vibration or shaking is easily generated due to large amplitudes of a vibrating diaphragm and a voice coil during high-power output, and the tone quality of the flat panel loudspeaker is seriously influenced.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a single-elastic-sheet type flat panel speaker which is simple in structure, convenient to assemble, small in size, high in stability, high in reliability and long in service life.

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

the utility model provides a single shell fragment formula flat panel speaker, includes the support and with leg joint's vibration unit and magnetic unit, the vibration unit includes vibrating diaphragm, voice coil loudspeaker voice coil and shell fragment, the top fixed connection of vibrating diaphragm and support, the one end and the vibrating diaphragm of voice coil loudspeaker voice coil are connected, just the voice coil loudspeaker voice coil is installed in the support, two the shell fragment symmetry sets up in the both sides of support bottom, just the shell fragment is connected with the voice coil loudspeaker voice coil.

Further, the magnetic unit comprises a washer, a magnet and U iron, the U iron is provided with a cavity with an upward opening, the magnet is arranged in the cavity, and the upper end of the magnet is fixedly connected with the washer.

Further, the support is hollow cuboid structure, the inside wall of support is provided with a plurality of inside bellied bosss.

Furthermore, the both ends of U indisputable lateral wall all are provided with the recess, the recess is used for with support inside wall joint.

Furthermore, the two sides of the bottom end of the support are provided with clamping blocks extending downwards, and the clamping blocks are used for being clamped with the elastic sheets.

Furthermore, the elastic sheet is provided with a clamping groove, and the clamping groove is used for being matched and clamped with the clamping block.

Furthermore, enclose between support and two shell fragments and be equipped with and hold the cavity, the voice coil loudspeaker voice coil is installed in holding the cavity, just the both ends of voice coil loudspeaker voice coil respectively with shell fragment fixed connection.

Further, the vibrating diaphragm is a flat-plate type vibrating diaphragm, the vibrating diaphragm comprises a central portion, an arc-shaped portion and a folding ring, the central portion, the arc-shaped portion and the folding ring are integrally formed, and the folding ring is fixedly connected with the top end of the support.

Furthermore, the elastic sheet is made of stainless steel or phosphor bronze.

The utility model has the beneficial effects that: the single-spring-piece type flat panel speaker has the advantages of ingenious structure and small volume, the spring piece is fixed at the bottom end of the support, the spring piece is fixedly connected with the voice coil, and the voice coil can be controlled to stably operate by utilizing the design of the spring piece, so that the balance of the voice coil is kept when the speaker outputs high power, and the stability, reliability and service life of the flat panel speaker are improved. The panel loudspeaker is easy to assemble and position and simple and convenient to assemble by arranging the vibration unit and the magnetic unit in the bracket.

Drawings

Fig. 1 is a schematic structural diagram of a loudspeaker according to the present invention.

Fig. 2 is a schematic view of another angle structure of the speaker according to the present invention.

Fig. 3 is a schematic structural diagram of the loudspeaker according to the present invention after the diaphragm is hidden.

Fig. 4 is an exploded view of the loudspeaker of the present invention.

The reference signs are: 1-bracket, 2-vibrating diaphragm, 3-voice coil, 4-spring plate, 5-washer, 6-magnet, 7-U iron, 8-boss, 9-groove, 10-fixture block, 201-center part, 202-arc part, 203-fold ring and 301-voice coil lead wire.

Detailed Description

For the 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, which are not intended to limit the present invention.

Examples

As shown in fig. 1-4, a single-leaf spring type flat panel speaker includes a support 1, and a vibration unit and a magnetic unit connected to the support 1, where the vibration unit includes a vibration diaphragm 2, a voice coil 3, and a spring plate 4, the vibration diaphragm 2 is fixedly connected to the top of the support 1, one end of the voice coil 3 is connected to the vibration diaphragm 2, the voice coil 3 is installed in the support 1, the two spring plates 4 are symmetrically disposed on two sides of the bottom of the support 1, and the spring plates 4 are connected to the voice coil 3.

The flat panel loudspeaker is ingenious in structural design, the elastic sheet 4 is fixed at the bottom end of the support 1, the elastic sheet 4 is fixedly connected with the voice coil 3, and the voice coil 3 can be controlled to stably operate by utilizing the design of the elastic sheet 4, so that the loudspeaker keeps the balance of the voice coil 3 during high-power output, and the stability, the reliability and the service life of the flat panel loudspeaker are improved. The panel speaker is characterized in that the vibration unit and the magnetic unit are arranged in the support 1 and are connected with the support 1, and the structural design enables the speaker to be easily assembled and positioned, and the assembly is simple and convenient.

The utility model provides a single shell fragment formula flat panel speaker, the magnetic unit includes china department 5, magnet 6 and U indisputable 7, U indisputable 7 is provided with the ascending cavity of opening, magnet 6 is installed in the cavity, the upper end and the china department 5 fixed connection of magnet 6.

This embodiment a single shell fragment formula flat panel speaker, support 1 is hollow cuboid structure, the inside wall of support 1 is provided with a plurality of inside bellied bosss 8. Specifically, the four corners of support 1 are the design of radius angle, the inside wall of support 1 is provided with 4 inside bellied bosss 8, boss 8 is used for with U iron 7 joint, make the equipment between magnetic unit and the support 1 easy and be connected stably.

This embodiment a single shell fragment formula flat panel speaker, the both ends of U iron 7 lateral wall all are provided with recess 9, recess 9 is used for with 1 inside wall joint of support. Specifically, the groove 9 corresponds to the boss 8 in position and is tightly matched, so that the U-shaped iron 7 is easily clamped with the support 1, and the assembly is convenient.

This embodiment a single shell fragment formula flat panel speaker, the both sides of 1 bottom of support all are provided with downwardly extending's fixture block 10, fixture block 10 is used for with shell fragment 4 joint.

In the single-elastic-sheet flat panel speaker of this embodiment, the elastic sheet 4 is provided with a clamping groove, and the clamping groove is used for being clamped with the clamping block 10 in a matching manner. Specifically, two shell fragment 4 installs respectively in the left and right both sides of 1 bottom of support, the draw-in groove of shell fragment 4 and the fixture block 10 cooperation joint of 1 bottom of support, the location is accurate and connect stably.

In the single-elastic-piece flat panel speaker of this embodiment, a containing cavity is defined between the support 1 and the two elastic pieces 4, the voice coil 3 is installed in the containing cavity, and two ends of the voice coil 3 are respectively fixedly connected with the elastic pieces 4. Specifically, the both ends of voice coil loudspeaker voice coil 3 bond with the one end that shell fragment 4 is close to voice coil loudspeaker voice coil 3 respectively, the setting of shell fragment 4 can effectively stabilize the position of voice coil loudspeaker voice coil 3 and control voice coil loudspeaker voice coil 3's stable operation, keeps voice coil loudspeaker voice coil 3's balance.

In the single-elastic-sheet flat-panel speaker according to this embodiment, the diaphragm 2 is a flat-sheet diaphragm 2, the diaphragm 2 includes a central portion 201, an arc portion 202, and a folded ring 203, the central portion 201 is flat-sheet shaped, the arc portion 202 is formed by extending the central portion 201 outward, the arc portion 202 extends outward to be provided with the folded ring 203, the central portion 201, the arc portion 202, and the folded ring 203 are integrally formed, and the folded ring 203 is fixedly connected to the top end of the support 1. The design of the flat-plate type diaphragm 2 can remarkably reduce the height of the loudspeaker, so that the volume of the flat-plate loudspeaker is miniaturized.

In the single-elastic-piece flat panel speaker of this embodiment, the elastic piece 4 is a metal elastic piece 4, and preferably, the elastic piece 4 is made of stainless steel or phosphor bronze. Metal shrapnel 4 and voice coil loudspeaker voice coil lead wire 301 welding switch on to with external circuit electric connection, avoided voice coil loudspeaker voice coil lead wire 301 direct access external circuit and arouse voice coil loudspeaker voice coil lead wire 301 easy break, connect unstable or the poor problem of welding, guaranteed flat panel speaker's operating stability is good and the good reliability, helps increase of service life.

The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.

Claims

1. A single shell fragment formula plate loudspeaker which characterized in that: including the support and with leg joint's vibration unit and magnetic unit, the vibration unit includes vibrating diaphragm, voice coil loudspeaker voice coil and shell fragment, the vibrating diaphragm is connected with the top fixed connection of support, the one end and the vibrating diaphragm of voice coil loudspeaker voice coil are connected, just the voice coil loudspeaker voice coil is installed in the support, two the shell fragment symmetry sets up in the both sides of support bottom, just the shell fragment is connected with the voice coil loudspeaker voice coil.

2. The flat panel speaker of claim 1, wherein: the magnetic unit comprises a washer, a magnet and U iron, wherein the U iron is provided with a cavity with an upward opening, the magnet is arranged in the cavity, and the upper end of the magnet is fixedly connected with the washer.

3. The flat panel speaker of claim 1, wherein: the support is hollow cuboid structure, the inside wall of support is provided with a plurality of inside bellied bosss.

4. A single leaf spring type flat panel speaker according to claim 2, wherein: both ends of the U-shaped iron side wall are provided with grooves, and the grooves are used for being connected with the inner side wall of the support in a clamping mode.

5. The flat panel speaker of claim 1, wherein: and clamping blocks extending downwards are arranged on two sides of the bottom end of the support and are used for being clamped with the elastic pieces.

6. The flat panel speaker of claim 5, wherein: the shell fragment is provided with the draw-in groove, the draw-in groove be used for with fixture block cooperation joint.

7. The flat panel speaker of claim 1, wherein: enclose between support and two shell fragments and be equipped with and hold the cavity, the voice coil loudspeaker voice coil is installed in holding the cavity, just the both ends of voice coil loudspeaker voice coil respectively with shell fragment fixed connection.

8. The flat panel speaker of claim 1, wherein: the vibrating diaphragm is a flat-plate type vibrating diaphragm and comprises a central portion, an arc-shaped portion and a folding ring, wherein the central portion, the arc-shaped portion and the folding ring are integrally formed, and the folding ring is fixedly connected with the top end of the support.

9. The flat panel speaker of claim 1, wherein: the elastic sheet is made of stainless steel or phosphor bronze.