CN216491042U

CN216491042U - Novel horn structure

Info

Publication number: CN216491042U
Application number: CN202122643264.7U
Authority: CN
Inventors: 黄计旺
Original assignee: Dongguan Meidang Electronic Co ltd
Current assignee: Dongguan Meidang Electronic Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-05-10
Anticipated expiration: 2031-11-01

Abstract

The utility model relates to a novel loudspeaker structure, which comprises a vibrating membrane, wherein the vibrating membrane is driven by at least two annular coils and two annular magnets in a cooperation mode, the number of the annular coils is consistent with that of the annular magnets, the annular coils and the annular magnets are sequentially arranged from the middle of the vibrating membrane to the edge of the vibrating membrane at intervals, and the edge of the vibrating membrane is fixed with a vibrating membrane protecting cover of the loudspeaker. The utility model enhances the acting force of the coil on the vibration film by increasing the quantity of the annular coils and the annular magnets, enhances the magnetic induction between the annular magnets, increases the acting force acting on the annular coils, and drives the vibration film to vibrate by a plurality of annular coils in a partition way, thereby greatly improving the vibration frequency of the whole vibration film, reducing the distortion, enabling the loudspeaker to have more excellent high-frequency and sound quality performance, restoring the true sound to reproduce the sense of reality, and improving the service performance of the loudspeaker.

Description

Novel horn structure

Technical Field

The utility model relates to the technical field of electronic products, in particular to a loudspeaker structure.

Background

As shown in fig. 1 and 2, in the conventional horn, a toroidal coil 100 is adhered to a diaphragm 200, an electrical signal is input to the toroidal coil to form an inductor, and the inductor cuts a magnetic field of a toroidal magnet 300 to drive the toroidal coil 100 to move up and down, so that the toroidal coil 100 drives the diaphragm 200 to generate sound according to the magnitude of current. However, the conventional horn has only one toroidal coil 100 to drive the diaphragm 200 to vibrate, so that the vibration frequency of the diaphragm is limited, and the vibration frequency response of the diaphragm is limited and attenuated by 12-20KHz, so that more excellent high-frequency performance is difficult to achieve.

Disclosure of Invention

The utility model aims to provide a novel horn structure, and the technical problem is well solved.

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

the utility model provides a novel horn structure, including the vibrating diaphragm, this vibrating diaphragm drives through two at least ring coils and two ring magnet cooperations, and ring coil's quantity is unanimous with ring magnet's quantity, and ring coil and ring magnet interval in proper order set up to the edge of vibrating diaphragm from the middle part of vibrating diaphragm, and the edge and the loudspeaker vibrating diaphragm protecting cover of vibrating diaphragm are together fixed.

The annular coil and the annular magnet are sequentially arranged in a mutually nested manner, the axis of the annular coil is the same as that of the annular magnet, and the annular coil is connected with the vibrating membrane; the annular magnet is assembled on the fixed ring to form a magnetic circuit system in an inner and outer ring arrangement mode.

The vibration membrane is in a wave shape, each wave forms a vibration area, and the annular coil is adhered to the crest of the wave of the vibration membrane.

The above solution is further that all the ring magnets have the same height in the coaxial direction.

The above solution is further that all the toroidal coils have the same height in the coaxial direction.

The scheme is further that a through hole is formed in the middle of the inner portion of the fixing ring, tuning mesh cloth is embedded in the through hole, the through hole is concentrically opposite to the middle hole of the annular magnet of the innermost ring, and the aperture of the through hole is larger than that of the middle hole of the annular magnet of the innermost ring.

Above-mentioned scheme further be, loudspeaker contain earphone loudspeaker, car loudspeaker, TV loudspeaker, cell-phone loudspeaker, bluetooth speaker loudspeaker and stereo set loudspeaker.

According to the utility model, the acting force of the coils on the vibration film is enhanced by increasing the number of the annular coils and the annular magnets, the magnetic induction between the annular magnets is enhanced, the acting force acting on the annular coils is increased, and the plurality of annular coils drive the vibration film to vibrate in a partition manner, so that the vibration frequency of the whole vibration film is greatly improved, the distortion is reduced, the loudspeaker has more excellent high-frequency and sound quality performance, the sense of reality of true sound reproduction is restored, and the use performance of the loudspeaker is improved.

Description of the drawings:

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic diagram of the front structural distribution of FIG. 1;

FIG. 3 is a schematic structural diagram of a preferred embodiment of the present invention;

fig. 4 is a schematic diagram of the front structure distribution of the embodiment of fig. 3.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 3 and 4, which are schematic views of a preferred embodiment of the present invention, the present invention relates to a novel horn structure, which includes a diaphragm 1, wherein the diaphragm 1 is driven by at least two ring coils 2 and two ring magnets 3 in cooperation, so as to achieve the vibration operation of the diaphragm 1, and obtain sound. In the utility model, the number of the annular coils 2 is the same as that of the annular magnets 3, the annular coils 2 and the annular magnets 3 are sequentially arranged from the middle part of the vibrating membrane 1 to the edge of the vibrating membrane 1 at intervals, and the edge of the vibrating membrane 1 is fixed with the loudspeaker vibrating membrane protecting cover 5. Furthermore, the annular coil 2 and the annular magnet 3 are sequentially arranged in a mutually nested manner, the axis of the annular coil 2 is the same as that of the annular magnet 3, and the annular coil 2 is connected with the vibrating membrane 1; the ring magnet 3 is assembled to the fixed ring 4 to form a magnetic circuit system in an inner and outer ring arrangement. Therefore, in the three-dimensional space of the loudspeaker, the magnetic paths among the plurality of annular magnets 3 are overlapped and strengthened, and the plurality of annular coils 2 drive the vibrating membrane 1, so that the vibration frequency of the whole vibrating membrane is greatly improved, the distortion is reduced, and the loudspeaker can have more excellent high frequency and sound quality performance. The cooperation forms annular magnetic circuit and can resist external electromagnetic interference between a plurality of ring magnets 3, avoids single magnetic ring magnetic leakage, perhaps live time for a long time, and magnetism falls down, influences the condition of the audio frequency quality of transmission.

Referring to fig. 3 and 4, in the present embodiment, the diaphragm 1 is in a wave shape, each wave forms a vibration region, the ring-shaped coil 2 is adhered to a wave crest of the diaphragm 1, heights of all the ring-shaped magnets 3 in the coaxial direction are the same, and heights of all the ring-shaped coils 2 in the coaxial direction are the same; the uniformity and symmetry of magnetic lines of force are ensured, the plurality of annular coils 2 can synchronously and stably do linear reciprocating motion in a magnetic loop, the vibration of the vibration film 1 is coordinated and ordered, and the real reproduction of sound is ensured.

Referring to fig. 3, in the present embodiment, a through hole 41 is formed in the middle of the inner portion of the fixing ring 4, and a tuning net cloth 6 is embedded in the through hole 41, the through hole 41 concentrically faces the middle hole of the ring magnet 3 of the innermost ring, and the diameter of the through hole 41 is larger than the diameter of the middle hole of the ring magnet 3 of the innermost ring. The structure effectively coordinates sound pressure, ensures that the vibrating membrane does vibrating motion, reduces distortion and is beneficial to restoring true sound.

While the preferred embodiments of the utility model have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.

Claims

1. A novel horn structure comprises a vibrating membrane (1), and is characterized in that: this vibrating diaphragm (1) drives through at least two ring coil (2) and two ring magnet (3) cooperations, and the quantity of ring coil (2) is unanimous with the quantity of ring magnet (3), and ring coil (2) and ring magnet (3) interval in proper order sets up from the middle part of vibrating diaphragm (1) to the edge of vibrating diaphragm (1), and the edge of vibrating diaphragm (1) is together fixed with loudspeaker vibrating diaphragm protecting cover (5).

2. The novel horn structure of claim 1, wherein: the annular coil (2) and the annular magnet (3) are sequentially arranged in a mutually nested manner, the axis of the annular coil (2) is the same as that of the annular magnet (3), and the annular coil (2) is connected with the vibrating membrane (1); the ring magnet (3) is assembled on the fixed ring (4) to form a magnetic circuit system with an inner ring and an outer ring.

3. A novel horn structure according to claim 1 or 2, wherein: the vibrating membrane (1) is wavy, each wave forms a vibrating area, and the annular coil (2) is adhered to the crest of the wave of the vibrating membrane (1).

4. The novel horn structure of claim 2, wherein: all the ring magnets (3) have the same height in the coaxial direction.

5. The novel horn structure of claim 2, wherein: all the annular coils (2) have the same height in the coaxial direction.

6. The novel horn structure of claim 2, wherein: the inner middle part of the fixing ring (4) is provided with a through hole (41), tuning mesh cloth (6) is embedded in the through hole (41), the through hole (41) is concentrically opposite to the middle hole of the annular magnet (3) of the innermost ring, and the aperture of the through hole (41) is larger than that of the middle hole of the annular magnet (3) of the innermost ring.

7. The novel horn structure of claim 1, wherein: the loudspeaker include earphone loudspeaker, car loudspeaker, TV loudspeaker, cell-phone loudspeaker, bluetooth speaker loudspeaker and stereo set loudspeaker.