CN210053563U

CN210053563U - Coaxial dual-drive micro horn

Info

Publication number: CN210053563U
Application number: CN201920788141.2U
Authority: CN
Inventors: 沙从东; 王志刚
Original assignee: Dongguan Wantai Electronic Technology Co Ltd
Current assignee: Dongguan Wantai Electronic Technology Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-02-11
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a coaxial dual-drive micro-speaker, which comprises a tuning net, a magnet A, a voice coil B and a magnet B, the tuning net is connected with PCB, PCB's outside is provided with the support, PCB is connected with T iron, T iron sets up inside the support, T iron is connected with magnet A, magnet A is connected with china department A, china department A is connected with voice coil loudspeaker voice coil A, voice coil loudspeaker voice coil A is connected with the diaphragm, the diaphragm is connected with voice coil loudspeaker voice coil B, voice coil loudspeaker voice coil B is connected with china department B, china department B is connected with magnet B, magnet B is connected with little U cup, this coaxial dual drive miniature loudspeaker are provided with magnet A simultaneously through inside, china department A, voice coil loudspeaker voice coil A and magnet B, china department B, voice coil loudspeaker voice coil B, magnet A drives china department A after the circular telegram, china department A drives voice coil loudspeaker voice coil A, magnet B drives china department B after the circular telegram, china department B drives voice coil loudspeaker voice.

Description

Coaxial dual-drive micro horn

Technical Field

The utility model relates to a miniature loudspeaker technical field specifically is a miniature loudspeaker of coaxial dual drive.

Background

Original miniature loudspeaker are only single magnet, china department and the voice coil loudspeaker voice coil of being provided with, belong to the miniature loudspeaker of single drive, do not set up the dual drive structure on coaxial, and do not more realize the inside dual drive structure of miniature loudspeaker and reverse the setting, can't adopt the pronunciation of coaxial two magnetic circuit drive dual voice coil loudspeaker voice coil drive vibrating diaphragm, can't realize better public address effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coaxial dual-drive miniature loudspeaker, which adopts a coaxial dual magnetic circuit to drive a dual voice coil to drive a vibrating diaphragm to sound, and has better sound amplification effect; the miniature loudspeaker that provides in order to solve above-mentioned background art only singlely be provided with magnet, china department and voice coil loudspeaker voice coil, can't realize the problem of better public address effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a miniature loudspeaker of coaxial dual drive, includes tuning net, magnet A, voice coil loudspeaker voice coil B and magnet B, the tuning net is connected with PCB, and PCB's outside is provided with the support, PCB is connected with T iron, and T iron sets up inside the support, and T iron is connected with magnet A, and magnet A is connected with china department A, and china department A is connected with voice coil loudspeaker voice coil A, and voice coil loudspeaker voice coil A is connected with the diaphragm, and the diaphragm is connected with voice coil loudspeaker voice coil B, and voice coil loudspeaker voice coil B is connected with china department B, and china department B is connected with magnet B.

Preferably, the PCB is fitted to an outer edge of one side of the bracket.

Preferably, the T iron, the magnet A, the washer A and the voice coil A are arranged on one side inside the protecting cover.

Preferably, the T iron is connected with a magnet A, a washer A and a voice coil A in a penetrating manner.

Preferably, the washer B, the magnet B and the small U-shaped cup are arranged on the other side in the protecting cover.

Preferably, the surface of the small U-shaped cup is provided with a convex pattern.

Preferably, the support, the protecting cover and the small U-shaped cup are internally provided with a button.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this miniature loudspeaker of coaxial dual drive is provided with magnet A, china department A, voice coil loudspeaker voice coil A and magnet B, china department B, voice coil loudspeaker voice coil B simultaneously through inside, drives china department A after magnet A circular telegram, and china department A drives voice coil loudspeaker voice coil A, and magnet B circular telegram back drive china department B, and china department B drives voice coil loudspeaker voice coil B, adopts two voice coil loudspeaker voice coils of coaxial double magnetic circuit drive vibrating diaphragm pronunciation, and public address effect is better.

Drawings

Fig. 1 is an overall exploded view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a bottom view of the present invention;

FIG. 4 is a schematic structural view of the front half of the present invention;

FIG. 5 is a schematic structural view of the latter half of the present invention;

fig. 6 is a front view of the present invention;

FIG. 7 is a cross-sectional view taken along line A-A of the present invention;

fig. 8 is a right side view of the present invention.

In the figure: 1. a tuning net; 2. a PCB; 3. a support; 4. t iron; 5. a magnet A; 6. washer A; 7. A voice coil A; 8. a membrane; 9. a voice coil B; 10. a protective cover; 11. washer B; 12. a magnet B; 13. a small U-shaped cup.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a coaxial dual-drive micro-speaker includes a tuning net 1, a magnet a5, a voice coil a7, a voice coil B9 and a magnet B12, wherein the tuning net 1 is connected with a PCB2, a bracket 3 is arranged outside the PCB2, the PCB2 is embedded and installed at the outer edge of one side of the bracket 3, and the PCB2 is installed inside the micro-speaker to realize the control of a circuit; the PCB2 is connected with a T iron 4, the T iron 4 is arranged inside the bracket 3, the T iron 4 is connected with a magnet A5, a magnet A5 is connected with a washer A6, the washer A6 is connected with a voice coil A7, the T iron 4, the magnet A5, the washer A6 and a voice coil A7 are arranged on one side inside the protective cover 10, the magnet A5 is electrified to drive the washer A6, the washer A6 drives the voice coil A7, and one magnetic circuit drives the voice coil to drive the diaphragm to pronounce; the T iron 4 is connected with a magnet A5, a washer A6 and a voice coil A7 in a penetrating manner, the magnet A5 is electrified to drive the washer A6, and the washer A6 drives the voice coil A7, so that one magnetic circuit drives the voice coil to drive the diaphragm to pronounce; the voice coil A7 is connected with a diaphragm 8, the diaphragm 8 is attached to the inner surface of the protective cover 10, the diaphragm 8 is driven by a magnet A5, a washer A6 and a voice coil A7, and the diaphragm 8 vibrates to produce sound.

Referring to fig. 5-8, the diaphragm 8 is connected with a voice coil B9, the voice coil B9 is connected with a washer B11, the washer B11 is connected with a magnet B12, the magnet B12 is connected with a small U cup 13, the washer B11, the magnet B12 and the small U cup 13 are arranged on the other side inside the protecting cover 10, the magnet B12 drives the washer B11, the washer B11 drives the voice coil B9, it is realized that the other magnetic circuit drives the voice coil to drive the vibrating diaphragm to generate sound, convex patterns are arranged on the surface of the small U cup 13 to play a role in buffering and damping, buttons are arranged inside the support 3, the protecting cover 10 and the small U cup 13, and mutual connection and buckling among the structures are realized.

In summary, the following steps: this coaxial dual drive miniature loudspeaker is provided with magnet A5, china department A6, voice coil loudspeaker voice coil A7 and magnet B12, china department B11, voice coil loudspeaker voice coil B9 simultaneously through inside, magnet A5 drives china department A6 after the circular telegram, china department A6 drives voice coil loudspeaker voice coil A7, magnet B12 drives china department B11 after the circular telegram, china department B11 drives voice coil loudspeaker voice coil B9, adopt coaxial double magnetic circuit drive double voice coil loudspeaker voice coil to drive the vibrating diaphragm pronunciation, the public address effect is better.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coaxial dual drive miniature loudspeaker, includes tuning net (1), magnet A (5), voice coil loudspeaker voice coil A (7), voice coil loudspeaker voice coil B (9) and magnet B (12), its characterized in that: the voice-adjusting net is characterized in that the voice-adjusting net (1) is connected with a PCB (2), a support (3) is arranged outside the PCB (2), the PCB (2) is connected with T iron (4), the T iron (4) is arranged inside the support (3), the T iron (4) is connected with a magnet A (5), the magnet A (5) is connected with a washer A (6), the washer A (6) is connected with a voice coil A (7), the voice coil A (7) is connected with a diaphragm (8), the diaphragm (8) is connected with a voice coil B (9), the voice coil B (9) is connected with a washer B (11), the washer B (11) is connected with a magnet B (12), and the magnet B (12) is connected with a small U cup (13).

2. The coaxial dual-drive micro-horn according to claim 1, wherein: the PCB (2) is embedded and installed on the outer edge of one side of the bracket (3).

3. The coaxial dual-drive micro-horn according to claim 1, wherein: t iron (4), magnet A (5), washer A (6) and voice coil A (7) set up in protecting cover (10) inside one side.

4. The coaxial dual-drive micro-horn according to claim 1, wherein: the T iron (4) is connected with a magnet A (5), a washer A (6) and a voice coil A (7) in a penetrating mode.

5. The coaxial dual-drive micro-horn according to claim 1, wherein: the diaphragm (8) is attached to the inner surface of the protective cover (10).

6. The coaxial dual-drive micro-horn according to claim 1, wherein: the washer B (11), the magnet B (12) and the small U-shaped cup (13) are arranged on the other side inside the protecting cover (10).

7. The coaxial dual-drive micro-horn according to claim 1, wherein: the surface of the small U-shaped cup (13) is provided with convex patterns.

8. The coaxial dual-drive micro-horn according to claim 1, wherein: and buttons are arranged inside the bracket (3), the protective cover (10) and the small U-shaped cup (13).