CN218648910U

CN218648910U - Moving-coil near-field micro horn

Info

Publication number: CN218648910U
Application number: CN202223161128.5U
Authority: CN
Inventors: 武术
Original assignee: Shenzhen Shengyinda Electronic Co ltd
Current assignee: Shenzhen Shengyinda Electronic Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-17
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a miniature loudspeaker of moving coil formula near field. The miniature loudspeaker of moving coil formula near field includes the horn bracket, one side of horn bracket is equipped with the damping plate, fixed mounting has the U cup on the damping plate, fixed mounting has magnet on the U cup, be equipped with the china department on the magnet, the U cup magnet with the china department all is located in the horn bracket, be equipped with the voice coil loudspeaker voice coil in the horn bracket, the horn bracket is kept away from one side of damping plate is equipped with the damping ring, be equipped with the sound membrane on the horn bracket, be equipped with a plurality of damping cottons on the horn bracket, the damping cotton with the damping plate contacts mutually, be equipped with the PCB board on the horn bracket. The utility model provides a miniature loudspeaker of moving coil formula near field have the sound wave when vibration, and steady more in order reaches human ear, and sound reduction degree is high, and the fidelity is higher, the better advantage of effect.

Description

Moving-coil near-field micro horn

Technical Field

The utility model relates to a loudspeaker technical field especially relates to a miniature loudspeaker of moving coil formula near field.

Background

When a diaphragm is driven by a voice coil to vibrate by a loudspeaker in the prior art, sound waves generated by a common moving-coil type micro loudspeaker can deform, because the sound waves only have a central air hole and damping cloth when vibrating, so that sound wave vibration harmonic waves deform and are transmitted to ears of people, the sound reduction degree is low, and the distortion is overlarge.

Therefore, it is necessary to provide a new moving-coil near-field micro-horn to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a sound wave when vibration, steady orderly more reaches human ear, and the sound reduction degree is high, and the fidelity is higher, the miniature loudspeaker of moving coil formula near field that the effect is better.

In order to solve the technical problem, the utility model provides a miniature loudspeaker of moving coil formula near field includes: the loudspeaker support, one side of loudspeaker support is equipped with the damping plate, fixed mounting has the U cup on the damping plate, fixed mounting has magnet on the U cup, be equipped with the china department on the magnet, the U cup magnet with the china department all is located in the loudspeaker support, be equipped with the voice coil loudspeaker voice coil in the loudspeaker support, the loudspeaker support is kept away from one side of damping plate is equipped with the damping ring, be equipped with the sound membrane on the loudspeaker support, it is cotton to be equipped with a plurality of damping on the loudspeaker support, the damping cotton with the damping plate contacts, be equipped with the PCB board on the loudspeaker support.

Preferably, the horn support comprises a support main body, a plurality of mounting grooves and a plurality of ventilation cavity holes, the mounting grooves are distributed in a semi-annular shape, and the ventilation cavity holes are formed in the inner wall of the mounting grooves.

Preferably, the mounting groove with the damping cotton is fan-shaped setting, just the damping cotton is located in the mounting groove.

Preferably, the ventilation cavity holes are all over against the damping ring.

Compared with the prior art, the utility model provides a miniature loudspeaker of moving coil formula near field has following beneficial effect:

the utility model provides a miniature loudspeaker of moving coil formula near field, voice coil loudspeaker voice coil 8 drive sound membrane 10 when vibrating, through direct back at the horn bracket 7 of the miniature loudspeaker of moving coil formula near field with separate the damping cavity, fill in damping cotton 5, can make the sound wave when vibrating, more steady orderly, reach human ear, sound reduction degree is high, and the fidelity is higher, and the effect is better.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a moving-coil type near-field micro-speaker according to the present invention;

FIG. 2 is a schematic cross-sectional view of the structure shown in FIG. 1;

FIG. 3 is a schematic illustration of the exploded structure shown in FIG. 1;

fig. 4 is a schematic structural view of the horn bracket shown in fig. 1.

Reference numbers in the figures: 1. damping plate, 2, U cup, 3, magnet, 4, magnificent department, 5, damping cotton, 6, PCB board, 7, loudspeaker support, 71, support main part, 72, mounting groove, 73, ventilative cavity hole, 8, voice coil, 9, damping ring, 10, sound membrane.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a moving-coil type near-field micro speaker according to the present invention; FIG. 2 is a schematic cross-sectional view of the structure shown in FIG. 1; FIG. 3 is a schematic illustration of the exploded structure of FIG. 1; fig. 4 is a schematic structural view of the horn bracket shown in fig. 1. The miniature loudspeaker of moving coil formula near field includes: horn bracket 7, one side of horn bracket 7 is equipped with damping plate 1, fixed mounting has U cup 2 on the damping plate 1, fixed mounting has magnet 3 on the U cup 2, be equipped with china department 4 on the magnet 3, U cup 2 magnet 3 with china department 4 all is located in horn bracket 7, be equipped with voice coil loudspeaker voice coil 8 in horn bracket 7, horn bracket 7 is kept away from one side of damping plate 1 is equipped with damping ring 9, be equipped with sound membrane 10 on horn bracket 7, be equipped with a plurality of damping cottons 5 on horn bracket 7, damping cottons 5 with damping plate 1 contacts, be equipped with PCB board 6 on horn bracket 7.

The utility model provides a miniature loudspeaker of moving coil formula near field, it takes place to be connected with voice coil loudspeaker voice coil 8 through PCB board 6, and cooperation magnet 3 drives the vibrations of sound membrane 10 and takes place.

The horn support 7 comprises a support main body 71, a plurality of mounting grooves 72 and a plurality of ventilating cavity holes 73, wherein the mounting grooves 72 are distributed in a semi-annular shape, and the ventilating cavity holes 73 are formed in the inner walls of the mounting grooves 72.

The mounting groove 72 with the cotton 5 of damping is fan-shaped setting, just the cotton 5 of damping is located in the mounting groove 72.

The plurality of vent cavity holes 73 are all aligned with the damping ring 9.

The utility model provides a miniature loudspeaker of moving coil formula near field has formed the damping cavity through horn bracket 7, damping cotton 5, damping plate 1 and damping ring 9, and falls into a plurality of small-size damping cavitys with the damping cavity through a plurality of damping cottons 5, mounting groove 72 and ventilative cavity hole 73, can make, and the sound wave is steady more orderly when the vibration, reaches human ear, and the sound reduction degree is high, and the fidelity is higher, and the effect is better.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A moving coil type near field micro horn, comprising:

the loudspeaker support, one side of loudspeaker support is equipped with the damping plate, fixed mounting has the U cup on the damping plate, fixed mounting has magnet on the U cup, be equipped with the china department on the magnet, the U cup magnet with the china department all is located in the loudspeaker support, be equipped with the voice coil loudspeaker voice coil in the loudspeaker support, the loudspeaker support is kept away from one side of damping plate is equipped with the damping ring, be equipped with the sound membrane on the loudspeaker support, it is cotton to be equipped with a plurality of damping on the loudspeaker support, the damping cotton with the damping plate contacts, be equipped with the PCB board on the loudspeaker support.

2. The moving-coil near-field micro horn according to claim 1, wherein the horn support comprises a support body, a plurality of mounting grooves and a plurality of ventilation cavity holes, the mounting grooves are distributed in a semi-annular shape, and the ventilation cavity holes are opened on the inner wall of the mounting grooves.

3. The moving-coil near-field micro horn of claim 2, wherein the mounting groove and the damping cotton are both fan-shaped, and the damping cotton is located in the mounting groove.

4. The moving coil near-field micro horn of claim 3 wherein a plurality of the vent cavity holes are all facing the damping ring.