CN219145605U

CN219145605U - Horn structure

Info

Publication number: CN219145605U
Application number: CN202320034338.3U
Authority: CN
Inventors: 李琨琨
Original assignee: Guoguang Electric Co Ltd
Current assignee: Guoguang Electric Co Ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-06
Anticipated expiration: 2033-01-05

Abstract

The utility model relates to the technical field of audio equipment, and discloses a loudspeaker structure. The loudspeaker structure comprises a cone, a cone frame, a voice coil, a magnetic circuit assembly and a supporting assembly, wherein the cone is arranged in the cone frame, one end of the voice coil is connected to the bottom of the cone frame, the other end of the voice coil extends into the cone frame, and the magnetic circuit assembly is arranged at the bottom of the cone frame and is located in the voice coil. When the voice coil is electrified, a magnetic field changing at a moment is formed, and the magnetic field and the magnetic circuit component generate interaction force, so that the voice coil moves up and down to cut the magnetic induction line, and the voice basin is driven to vibrate to form sound. The support component comprises a fixed support piece and a support column, wherein the fixed support piece is fixed at the bottom of the basin frame, one end of the support column is connected with the fixed support piece, and the other end of the support column is connected with the basin. Through setting up fixed piece and support column, can provide stable support for the cone, prevent that the cone from rocking side to side when vibrating, improve the vibration balance problem of cone and voice coil loudspeaker voice coil, and then guarantee the audio of loudspeaker structure.

Description

Horn structure

Technical Field

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

Background

A loudspeaker, also known as a loudspeaker, is a transducer device that converts an electrical signal into an acoustic signal. The loudspeaker mainly comprises a cone, a cone frame, a voice coil and a magnetic circuit assembly, wherein a circle of rubber ring is arranged at the edge of the cone, and the cone is arranged on the cone frame through the rubber ring. The voice coil loudspeaker voice coil is fixed with the cone bonding, and the magnetic circuit subassembly is located the voice coil loudspeaker voice coil inside, and the during operation voice coil loudspeaker voice coil is for the magnetic circuit subassembly up-and-down motion cutting magnetism induction line to drive the vibration of cone and make sound. Because the rubber circle itself has certain elasticity, the cone only passes through the rubber circle and installs on the basin frame, has the problem that the supportability is not enough, stability is relatively poor, consequently when the voice coil loudspeaker voice coil drives the big amplitude vibration of cone, the easy horizontal hunting of voice coil loudspeaker voice coil cone finally leads to loudspeaker sound effect distortion.

Accordingly, there is a need to provide a horn structure to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a loudspeaker structure, which can improve the vibration balance problem of a cone and a voice coil by providing stable support for the cone and prevent the cone and the voice coil from swinging left and right during vibration.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a horn structure comprising:

the cone and the basin frame are arranged in the basin frame;

one end of the voice coil is connected to the bottom of the cone, and the other end of the voice coil extends into the cone frame;

the magnetic circuit assembly is arranged at the bottom of the basin frame and positioned in the voice coil;

the support assembly comprises a fixed support piece and a support column, wherein the fixed support piece is fixed at the bottom of the basin frame, one end of the support column is connected with the fixed support piece, and the other end of the support column is connected with the basin.

As the preferable scheme of loudspeaker structure, the one end bonding of support column is fixed in on the fixed support piece, the other end bonding is fixed in on the cone.

As the preferred scheme of loudspeaker structure, the quantity of supporting component sets up to two, two supporting component symmetry set up in the basin frame is along length direction's both sides.

As the preferred scheme of loudspeaker structure, the voice coil loudspeaker voice coil includes skeleton and coil, the one end of skeleton connect in on the cone, the coil is around establishing the other end of skeleton and extend to the periphery of magnetic circuit assembly.

As the preferred scheme of loudspeaker structure, magnetic circuit subassembly includes magnetic conduction piece, magnet steel and lower magnetic conduction piece, go up the magnetic conduction piece the magnet steel with lower magnetic conduction piece is from top to bottom superpose in proper order.

As the preferred scheme of loudspeaker structure, loudspeaker structure still includes magnetic conduction bowl, magnetic conduction bowl connect in the bottom of basin frame, magnetic circuit assembly set up in magnetic conduction bowl's inside, magnetic conduction bowl's lateral wall is located the outside of voice coil loudspeaker voice coil.

As the preferable scheme of loudspeaker structure, the bottom of magnetic conduction bowl has seted up the through-hole.

As the preferred scheme of loudspeaker structure, the quantity of magnetic circuit subassembly sets up to two, two magnetic circuit subassembly is followed the length direction interval setting of basin frame, every magnetic circuit subassembly is outer all to overlap to establish one the voice coil loudspeaker voice coil, and every magnetic circuit subassembly's bottom all sets up one magnetic conduction bowl.

As a preferable scheme of the horn structure, the fixing support piece is round or track-shaped.

As the preferred scheme of loudspeaker structure, the edge cladding round rubber circle of cone, the cone pass through the rubber circle install in the opening edge of basin frame.

The beneficial effects of the utility model are as follows:

the utility model provides a loudspeaker structure, which comprises a cone, a cone frame, a voice coil, a magnetic circuit assembly and a supporting assembly, wherein the cone is arranged in the cone frame, one end of the voice coil is connected to the bottom of the cone, the other end of the voice coil extends into the cone frame, and the magnetic circuit assembly is arranged at the bottom of the cone frame and is positioned in the voice coil. When the voice coil is electrified, a magnetic field changing at a moment is formed, and the magnetic field and the magnetic circuit component generate interaction force, so that the voice coil moves up and down to cut the magnetic induction line, and the voice basin is driven to vibrate to form sound. The support component comprises a fixed support piece and a support column, wherein the fixed support piece is fixed at the bottom of the basin frame, one end of the support column is connected with the fixed support piece, and the other end of the support column is connected with the basin. Through setting up fixed piece and support column, can provide stable support for the cone, prevent that the cone from rocking side to side when vibrating, improve the vibration balance problem of cone and voice coil loudspeaker voice coil, and then guarantee the audio of loudspeaker structure.

Drawings

For a more obvious and understandable description of embodiments of the utility model or solutions according to the prior art, reference will be made to the accompanying drawings, which are used in the description of the embodiments or the prior art and which are examples of the utility model, and from which other drawings can be obtained without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a horn structure according to an embodiment of the present utility model at a first view angle;

FIG. 2 is an exploded view of a horn structure provided by an embodiment of the present utility model;

FIG. 3 is a top view of a horn structure provided by an embodiment of the present utility model;

FIG. 4 is a cross-sectional view at A-A in FIG. 3;

fig. 5 is a schematic diagram of a horn structure according to an embodiment of the present utility model under a second view angle;

fig. 6 is a schematic diagram of a horn structure according to a second embodiment of the present utility model.

In the figure:

1. a sound basin; 11. a rubber ring;

2. a basin stand;

3. a voice coil; 31. a skeleton; 32. a coil;

4. a magnetic circuit assembly; 41. a top magnetic conductive sheet; 42. magnetic steel; 43. a lower magnetic conductive sheet;

5. a support assembly; 51. fixing the support piece; 52. a support column;

6. a magnetic conduction bowl; 61. a cavity; 62. and a through hole.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides a loudspeaker structure which can convert an electric signal into an acoustic signal and is mainly applied to electronic equipment with audio requirements.

Specifically, as shown in fig. 1-4, the loudspeaker structure provided in this embodiment includes a cone 1, a cone frame 2, a voice coil 3 and a magnetic circuit assembly 4, the cone frame 2 is a square structure, the interior of the cone frame 2 is hollow, the cone 1 is disposed at the top of the cone frame 2, one end of the voice coil 3 is connected to the bottom of the cone 1, the other end extends into the cone frame 2, and the magnetic circuit assembly 4 is disposed at the bottom of the cone frame 2 and is located inside the voice coil 3. When the voice coil 3 is electrified, a magnetic field changing at any time is formed, and the magnetic field and the magnetic circuit assembly 4 generate interaction force, so that the voice coil 3 moves up and down to cut a magnetic induction line, and the voice cone 1 is driven to vibrate to form sound.

Preferably, as shown in fig. 1, the edge of the cone 1 is covered with a rubber ring 11, and the cone 1 is mounted on the opening edge of the cone frame 2 through the rubber ring 11. Specifically, the inner ring of the rubber ring 11 can be adhered and fixed on the cone 1, and the outer ring is adhered and fixed on the cone frame 2, so that the connection is stable and the operation is convenient.

It can be understood that the rubber ring 11 has a certain elasticity, if the cone 1 is only installed on the cone frame 2 through the rubber ring 11, the problem of insufficient supporting property and poor stability will exist, and when the voice coil 3 drives the cone 1 to vibrate in a large amplitude, the cone 1 easily drives the voice coil 3 to swing left and right, and finally the sound effect distortion of the loudspeaker structure is caused.

In order to solve the above-mentioned problems, as shown in fig. 2 and 4, the horn structure provided in this embodiment further includes a support assembly 5, where the support assembly 5 specifically includes a fixing support piece 51 and a support column 52, the fixing support piece 51 is fixed to the bottom of the basin stand 2, one end of the support column 52 is connected to the fixing support piece 51, and the other end is connected to the basin 1. Through setting up fixed piece 51 and support column 52, can provide stable support for cone 1, prevent that cone 1 from rocking side to side when vibrating, improve cone 1 and voice coil 3's vibration balance problem, and then guarantee the audio of loudspeaker structure.

Preferably, one end of the support column 52 is fixed to the fixing support piece 51 by glue bonding, and the other end is fixed to the cone 1 by glue bonding. The mode of bonding fixation can guarantee to connect more firmly, and the cost is lower, convenient operation. The fixing support piece 51 may be fixed to the bottom surface of the frame 2 by adhesion, or may be integrally formed directly with the frame 2.

Illustratively, in the present embodiment, as shown in fig. 5 and 6, the fixing clip 51 may be provided in a circular shape or may be provided in a racetrack shape. Referring to fig. 5, it should be noted that the circular fixing support piece 51 is relatively conventional and is easier to process. When the fixing support piece 51 is circular, the fixing support piece can be made of metal, plastic or other materials, and is easy to process. Referring to fig. 6, the inner profile of the racetrack-shaped fixing support piece 51 is racetrack-shaped, and has a hollowed-out shape and irregular shape, so that the fixing support piece 51 can realize stable support and simultaneously reduce weight to a certain extent, thereby realizing light-weight design. The outer contour of the runway-shaped fixing support piece 51 can be elliptical or square, so that the stable supporting effect can be realized by increasing the area of the outer contour, and the transverse space of the basin frame 2 can be reasonably utilized. When the fixing support piece 51 is in a track shape, the fixing support piece is made of metal, so that the fixing support piece is easier to process. Of course, in other embodiments, the shape of the fixing support piece 51 is not limited to a circle and a racetrack, but may be square, oval or other shapes, and may be flexibly arranged according to the needs, which is not particularly limited herein.

Preferably, as shown in fig. 2 and 4, the number of the supporting members 5 is two, and the two supporting members 5 are symmetrically disposed at both sides of the tub 2 in the length direction. Through adopting this kind of setting, can further improve the stability to cone 1 support, prevent that cone 1 from rocking side to side when vibrating, further improve cone 1 and voice coil loudspeaker 3's vibration balance problem, and then can guarantee the audio of loudspeaker structure.

Further, as shown in fig. 2, the voice coil 3 includes a bobbin 31 and a coil 32, the coil 32 is wound around a bottom end of the bobbin 31, a top end of the bobbin 31 is connected to the cone 1, and the bottom end extends to an outer periphery of the magnetic circuit assembly 4, so that the coil 32 is located outside the magnetic circuit assembly 4, and a magnetic field formed by the coil 32 can generate an interaction force with the magnetic circuit assembly 4. Wherein, the top of skeleton 31 is fixed in on the cone 1 through glue bonding, connects firmly and convenient operation.

Further, as shown in fig. 2 and 4, the magnetic circuit assembly 4 includes an upper magnetic conductive sheet 41, a magnetic steel 42, and a lower magnetic conductive sheet 43, and the upper magnetic conductive sheet 41, the magnetic steel 42, and the lower magnetic conductive sheet 43 are stacked in this order from top to bottom. The upper magnetic conductive sheet 41, the magnetic steel 42 and the lower magnetic conductive sheet 43, which are stacked in sequence, are mutually matched, so that the magnetic circuit assembly 4 can form a stable magnetic circuit to stably drive the voice coil 3 to move up and down.

Preferably, with continued reference to fig. 2 and 4, the horn structure further includes a magnetic conduction bowl 6, the magnetic conduction bowl 6 is connected to the bottom of the basin frame 2, the magnetic circuit assembly 4 is disposed inside the magnetic conduction bowl 6, and the side wall of the magnetic conduction bowl 6 is located outside the voice coil 3, so that an auxiliary magnetic field is formed between the side wall of the magnetic conduction bowl 6 and the magnetic circuit assembly 4. After the auxiliary magnetic field is added to the voice coil 3, the working efficiency of the voice coil 3 can be effectively improved, the volume of the loudspeaker structure is louder under the same power, and the efficacy of the loudspeaker structure is improved.

Specifically, as shown in fig. 2, a cavity 61 is formed in the magnetically conductive bowl 6, the magnetic circuit assembly 4 is disposed in the cavity 61, and the voice coil 3 is disposed in a gap between the magnetic circuit assembly 4 and the magnetically conductive bowl 6. Through above-mentioned setting, can reduce the longitudinal dimension of loudspeaker structure for loudspeaker structure is more small and exquisite, saves space's occupation.

It can be understood that the heating source of the loudspeaker structure is mainly the voice coil 3, if the heat dissipation is not timely, the voice coil 3 is easily damaged, and the loudspeaker structure cannot be used. In order to solve the above problem, as shown in fig. 5 and 6, in the present embodiment, a plurality of through holes 62 are formed at the bottom of the magnetic conductive bowl 6, and the plurality of through holes 62 are disposed at intervals. Through the arrangement of the through holes 62, ventilation and heat dissipation are facilitated, and fixture positioning can be facilitated during production.

Preferably, as shown in fig. 2 and 4, the number of the magnetic circuit assemblies 4 is two, the two magnetic circuit assemblies 4 are arranged at intervals along the length direction of the basin frame 2, each magnetic circuit assembly 4 is externally sleeved with a voice coil 3, and the bottom of each magnetic circuit assembly 4 is provided with a magnetic conduction bowl 6. Through setting up two magnetic circuit assemblies 4, can produce two magnetic circuits to can improve the utilization efficiency of magnetic circuit, and then improve the efficiency of loudspeaker structure, and the supportability of two magnetic circuit assemblies 4 is better.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. Horn structure, its characterized in that includes:

the basin comprises a basin (1) and a basin frame (2), wherein the basin (1) is arranged in the basin frame (2);

the voice coil (3), one end of the voice coil (3) is connected to the bottom of the cone (1), and the other end extends into the cone frame (2);

the magnetic circuit assembly (4) is arranged at the bottom of the basin frame (2) and is positioned in the voice coil (3);

the support assembly (5) comprises a fixed support piece (51) and a support column (52), wherein the fixed support piece (51) is fixed at the bottom of the basin frame (2), one end of the support column (52) is connected with the fixed support piece (51), and the other end of the support column is connected with the basin (1).

2. The horn structure according to claim 1, wherein one end of the support column (52) is adhesively fixed to the fixing support piece (51), and the other end is adhesively fixed to the cone (1).

3. The horn structure according to claim 1, wherein the number of the support members (5) is two, and the two support members (5) are symmetrically disposed on both sides of the basin frame (2) in the length direction.

4. The horn structure according to claim 1, wherein the voice coil (3) includes a bobbin (31) and a coil (32), one end of the bobbin (31) is connected to the cone (1), and the coil (32) is wound around the other end of the bobbin (31) and extends to the outer periphery of the magnetic circuit assembly (4).

5. The horn structure according to claim 1, characterized in that the magnetic circuit assembly (4) includes an upper magnetic conductive sheet (41), a magnetic steel (42) and a lower magnetic conductive sheet (43), the upper magnetic conductive sheet (41), the magnetic steel (42) and the lower magnetic conductive sheet (43) being stacked in order from top to bottom.

6. The horn structure according to claim 5, further comprising a magnetically conductive bowl (6), wherein the magnetically conductive bowl (6) is connected to the bottom of the basin frame (2), the magnetic circuit assembly (4) is disposed in the magnetically conductive bowl (6), and a side wall of the magnetically conductive bowl (6) is located outside the voice coil (3).

7. The horn structure according to claim 6, characterized in that the bottom of the magnetically conductive bowl (6) is provided with a through hole (62).

8. The loudspeaker structure according to claim 6, wherein the number of the magnetic circuit assemblies (4) is two, the two magnetic circuit assemblies (4) are arranged at intervals along the length direction of the basin frame (2), each magnetic circuit assembly (4) is externally sleeved with one voice coil (3), and the bottom of each magnetic circuit assembly (4) is provided with one magnetic conduction bowl (6).

9. The horn structure according to any one of claims 1 to 8, characterized in that the fixing lugs (51) are circular or racetrack-shaped.

10. The horn structure according to any one of claims 1-8, characterized in that the rim of the cone (1) is covered with a rubber ring (11), the cone (1) being mounted to the open rim of the frame (2) by means of the rubber ring (11).