CN219834376U

CN219834376U - Loudspeaker

Info

Publication number: CN219834376U
Application number: CN202321356485.9U
Authority: CN
Inventors: 申国平; 彭子源; 钟小宏; 罗军华
Original assignee: Huizhou Acoustic Professor Technology Co ltd
Current assignee: Huizhou Acoustic Professor Technology Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-10-13
Anticipated expiration: 2033-05-30

Abstract

The utility model provides a loudspeaker, which comprises a supporting component, a vibration component and a magnetic circuit component; the supporting component comprises a first basin frame and a second basin frame which are buckled with each other, the vibration component comprises a voice coil, drum paper, a damper and a dust cover, the drum paper is positioned between the first basin frame and the second basin frame and is connected with the first basin frame, the drum paper is provided with a concave side and a convex side, the magnetic circuit component is positioned between the drum paper and the first basin frame and is positioned on the concave side of the drum paper, the magnetic circuit component is connected with the first basin frame, the damper is positioned on the convex side and is connected with the second basin frame, the damper is provided with an opening, one end of the voice coil is connected with the magnetic circuit component, the other end of the voice coil is positioned in the opening, the periphery of the voice coil is provided with a distance from the inner wall surface of the opening, and the dust cover is arranged at the other end of the voice coil; adopt reverse magnetic circuit assembly's setting, hide magnetic circuit structure in the concave side of drum paper for the space that drum paper occupy is by magnetic circuit structure reuse, compares in conventional speaker structure, has improved the utilization space in the basin frame, has guaranteed the acoustic performance of speaker simultaneously.

Description

Loudspeaker

Technical Field

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

Background

The loudspeaker is a transducer device for converting an electric signal into an acoustic signal, and utilizes audio electric energy to make a paper drum or a diaphragm vibrate and resonate with surrounding air by electromagnetic, piezoelectric or electrostatic effects to make a sound.

The loudspeaker can be applied to electronic equipment such as communication and multimedia, along with the gradual thinning of terminal equipment, especially in the application of multimedia equipment such as televisions and notebook computers, the requirement for the reduction of the volume of the loudspeaker is more and more strict, in the prior art, a method for reducing the volume of the loudspeaker by using a vibrating diaphragm (paper-swelling) is adopted, but the paper-swelling is used as an important sounding element of the loudspeaker, the reduction of the volume tends to influence the acoustic performance of the loudspeaker, and the requirement of the multimedia equipment such as televisions and notebook computers on the size of the loudspeaker is difficult to meet under the condition of ensuring the acoustic performance of the loudspeaker.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a loudspeaker.

The utility model discloses a loudspeaker, comprising: the support assembly, the vibration assembly and the magnetic circuit assembly; the supporting component comprises a first basin frame and a second basin frame, the first basin frame is buckled with the second basin frame, the vibration component comprises a voice coil, drum paper, a spring wave and a dust cover, the drum paper is positioned between the first basin frame and the second basin frame and is connected with the first basin frame, the drum paper is provided with a concave side and a convex side, the magnetic circuit component is positioned between the drum paper and the first basin frame and is positioned on the concave side of the drum paper, the magnetic circuit component is connected with the first basin frame, the spring wave is positioned on the convex side and is connected with the second basin frame, the spring wave is provided with an opening, one end of the voice coil is connected with the magnetic circuit component, the other end of the voice coil is positioned in the opening, the periphery of the voice coil is provided with a distance with the inner wall surface of the opening, and the dust cover is arranged at the other end of the voice coil.

Preferably, the drum paper comprises a carcass and a hanging edge, wherein the hanging edge is arranged on the circumferential wall of the carcass in a surrounding manner and is connected with the carcass, and the hanging edge is connected with the first basin frame.

Preferably, the magnetic circuit assembly is oval in cross section.

Preferably, the voice coil is elliptical in cross section.

Preferably, the circumference of the carcass cross-section is oval.

Preferably, the hanging edge is provided with a groove which is formed along the radial direction of the drum paper and is positioned on the concave side of the drum paper.

Preferably, the grooves are multiple, and the grooves are uniformly and alternately arranged on the hanging edge.

Preferably, the first basin frame is provided with a first installation position, the first installation position is positioned in the middle of the first basin frame, and the magnetic circuit assembly is installed at the first installation position.

Preferably, the second basin frame is provided with a second installation position, the second installation position is positioned in the middle of the second basin frame, and the elastic wave is installed at the second installation position.

Preferably, the dust cover is provided with diversion trenches, and the diversion trenches are distributed along the radial direction of the dust cover.

The utility model has the beneficial effects that: adopt reverse magnetic circuit assembly's setting, hide magnetic circuit structure in the concave side of drum paper for the space that drum paper occupy is by magnetic circuit structure reuse, compares in conventional speaker structure, i.e. set up magnetic circuit structure in the convex side of drum paper, has greatly reduced the thickness of speaker, has improved the utilization space in the basin frame, and the size of drum paper need not to change simultaneously, has guaranteed the acoustic performance of speaker.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is a perspective view of a speaker according to an embodiment;

FIG. 2 is one of the exploded views of the loudspeaker in the embodiment;

FIG. 3 is a second exploded view of a speaker according to an embodiment;

fig. 4 is a schematic view of a dust cap structure according to an embodiment.

Reference numerals:

1-a support assembly; 2-vibrating assembly; 3-magnetic circuit assembly

11-a first basin stand; 12-a second basin stand;

21-a voice coil; 22-drum paper; 23-flicking waves; 24-a dust cap;

111-first installation site; 121-a second mounting location;

221-concave side; 222-convex side; 223-carcass; 224-overhanging edges;

231-opening; 232-an inner wall surface;

241-diversion trench;

2241-grooves.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

It should be noted that all directional indications such as up, down, left, right, front, and rear … … in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture such as that shown in the drawings, and if the particular posture is changed, the directional indication is changed accordingly.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

For a further understanding of the present utility model, reference should be made to the following examples, which are set forth to illustrate, by way of illustration, the principles of the utility model.

Referring to fig. 1, fig. 1 is a perspective view of a speaker, the speaker in this embodiment includes a support assembly 1, a vibration assembly 2 and a magnetic circuit assembly 3, the support assembly 1 is used for carrying the vibration assembly 2 and the magnetic circuit assembly 3, the magnetic circuit assembly 3 is used for providing a stable magnetic field, and the vibration assembly 2 vibrates, and the vibration assembly 2 resonates with surrounding air to generate sound.

Referring to fig. 2 and 3 and referring back to fig. 1, fig. 2 is one of the explosion views of the speaker, fig. 3 is the second explosion view of the speaker, wherein the support assembly 1 comprises a first frame 11 and a second frame 12, the first frame 11 is buckled with the second frame 12, the vibration assembly 2 comprises a voice coil 21, a drum paper 22, a damper 23 and a dust cap 24, the drum paper 22 is located between the first frame 11 and the second frame 12 and connected with the first frame 11, the drum paper 22 has a concave side 221 and a convex side 222, the magnetic circuit assembly 3 is located between the drum paper 22 and the first frame 11 and located at the concave side 221 of the drum paper 22, the magnetic circuit assembly 3 is connected with the first frame 11, the damper 23 is located at the convex side 222 and connected with the second frame 12, the damper 23 has an opening 231, one end of the voice coil 21 is connected with the magnetic circuit assembly 3, the other end is located in the opening 231, and the periphery of the voice coil 21 has a space with the inner wall 232 of the opening 231, and the dust cap 24 is covered with the other end of the voice coil 21.

Specifically, the first frame 11 is connected to the second frame 12, the paper drum 22 is disposed between the first frame 11 and the second frame 12, the paper drum 22 is tapered, two sides of the tapered paper drum 22 are respectively a concave side 221 and a convex side 222, the magnetic circuit assembly 3 is disposed on the concave side 221 of the paper drum 22 and is mounted on the first frame 11 and is disposed between the paper drum 22 and the first frame 11, the elastic wave 23 is mounted on the second frame 12 and is disposed on the convex side 222 of the paper drum 22, one end of the voice coil 21 is connected to the magnetic circuit assembly 3, the other end passes through the paper drum 22 and extends into the opening 231 of the elastic wave 23, the paper drum 22 is not in contact with the elastic wave 23, and the dust cover 24 is disposed on one end of the voice coil 21 away from the magnetic circuit assembly 3.

When the voice coil loudspeaker voice coil assembly is applied, the magnetic circuit assembly 3 is connected with a power supply, the voice coil 21 moves under the action of a magnetic field in the magnetic circuit assembly 3, the voice coil 21 vibrates and then drives the paper drum 22 to move, the paper drum 22 vibrates to move back and forth to cause the change of air pressure, accordingly sound is generated, and the elastic wave 23 plays a limiting role on the voice coil 21.

So, adopt the setting of reverse magnetic circuit assembly 3, hide the magnetic circuit structure in the concave side 221 of drum paper 22 for the space that drum paper 22 occupy is by magnetic circuit structure reuse, compares in conventional speaker structure, i.e. set up the magnetic circuit structure in the convex side 222 of drum paper 22 promptly, has greatly reduced the thickness of speaker, has improved the space of utilization in the basin frame, and the size of drum paper 22 need not to change simultaneously, has guaranteed the acoustic performance of speaker.

Further, the paper 22 includes a body 223 and a hanging edge 224, the hanging edge 224 is disposed around the peripheral wall of the body 223 and connected to the body 223, and the hanging edge 224 is connected to the first frame 11.

In application, the body 223 is tapered and has a through hole in the middle, the voice coil 21 passes through the through hole of the body 223 and extends into the opening 231 of the elastic wave 23, and the hanging edge 224 plays a role in connection.

Further, the magnetic circuit assembly 3 has an elliptical cross section.

Thus, the magnetic circuit assembly 3 has a larger bidirectional diameter ratio, the bandwidth of the magnetic circuit assembly is continuously improved, intermodulation distortion is reduced, the elliptic magnetic circuit assembly 3 has excellent damping characteristics, and no obvious resonance phenomenon exists.

Further, the voice coil 21 has an elliptical cross section.

Thus, the voice coil 21 is matched with the magnetic circuit assembly 3, and the matching degree of the internal structure of the loudspeaker is improved.

Further, the circumference of the cross section of body 223 is oval.

Thus, the voice coil 21, the magnetic circuit assembly 3 and the drum paper 22 are matched with each other, and the matching degree of the internal structure of the loudspeaker is further improved.

Still further, the hanging edge 224 has a groove 2241, and the groove 2241 is opened in the radial direction of the drum 22 and is located at the concave side 221 of the drum 22.

In this way, the groove 2241 forms a groove 2241 at the hanging edge 224 of the drum paper 22, avoiding distortion of the speaker.

Further, the grooves 2241 have a plurality of grooves 2241 disposed at uniform intervals on the hanging side 224.

In this way, loudspeaker distortion is more avoided.

Further, the first basin frame 11 is provided with a first mounting position 111, the first mounting position 111 is positioned in the middle of the first basin frame 11, and the magnetic circuit assembly 3 is mounted on the first mounting position 111; the second basin frame 12 is provided with a second installation position 121, the second installation position 121 is positioned in the middle of the second basin frame 12, the elastic wave 23 is installed at the second installation position 121, and the first installation position 111 and the second installation position 121 are symmetrically arranged.

Thus, the space between the first basin frame 11 and the second basin frame 12 is reasonably utilized, and the first mounting position 111 and the second mounting position 121 respectively play a role in stabilizing the magnetic circuit assembly 3 and the elastic wave 23.

Referring to fig. 4, fig. 4 is a schematic view of a dust cover, and further, the dust cover 24 has guide grooves 241, and the guide grooves 241 are distributed along the radial direction of the dust cover 24.

Thus, the dust cover 24 is provided with the diversion trench 241, so that the overall structural strength of the loudspeaker is improved, and low-frequency distortion is avoided.

In conclusion, the arrangement of the reverse magnetic circuit assembly is adopted, the magnetic circuit structure is hidden at the concave side of the drum paper, so that the space occupied by the drum paper is recycled by the magnetic circuit structure, and compared with a conventional loudspeaker structure, namely, the magnetic circuit structure is arranged at the convex side of the drum paper, the thickness of the loudspeaker is greatly reduced, the utilization space in the basin frame is improved, meanwhile, the size of the drum paper does not need to be changed, and the acoustic performance of the loudspeaker is guaranteed.

The above is merely an embodiment of the present utility model, and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. A loudspeaker, comprising: the vibration device comprises a supporting component (1), a vibration component (2) and a magnetic circuit component (3); the utility model provides a voice coil loudspeaker voice coil assembly, including support assembly (1), support assembly (1) include first basin frame (11) and second basin frame (12), first basin frame (11) with second basin frame (12) lock, vibration assembly (2) include voice coil loudspeaker voice coil (21), drum paper (22), bullet ripples (23) and shield (24), drum paper (22) are located first basin frame (11) with between second basin frame (12) and with first basin frame (11) are connected, drum paper (22) have concave side (221) and convex side (222), magnetic circuit assembly (3) are located between drum paper (22) and first basin frame (11), and are located drum paper (22) concave side (221), magnetic circuit assembly (3) with first basin frame (11) are connected, bullet ripples (23) are located convex side (222) and second basin frame (12) are connected, and drum paper (22) have concave side (221) and convex side (222), magnetic circuit assembly (3) are located between the first basin frame (11) and the shield (231) have opening (231), magnetic circuit assembly (231) have the opening (231) and the other end (231) are located in voice coil loudspeaker voice coil assembly (231) open-coil loudspeaker voice coil assembly (231).

2. The loudspeaker according to claim 1, wherein the drum (22) comprises a body (223) and a hanging edge (224), the hanging edge (224) is arranged around the peripheral wall of the body (223) and connected with the body (223), and the hanging edge (224) is connected with the first basin frame (11).

3. A loudspeaker according to claim 2, wherein the magnetic circuit assembly (3) is oval in cross-section.

4. A loudspeaker according to claim 3, wherein the voice coil (21) is elliptical in cross section.

5. The loudspeaker of claim 4, wherein the perimeter of the cross-section of the carcass (223) is elliptical.

6. The loudspeaker according to claim 2, wherein the hanging edge (224) has a groove (2241), the groove (2241) being open in a radial direction of the drum (22) and being located at the concave side (221) of the drum (22).

7. The speaker of claim 6, wherein said recess (2241) has a plurality of said recesses (2241) disposed at regular intervals from said hanging edge (224).

8. Loudspeaker according to claim 1, characterized in that the first frame (11) has a first mounting location (111), the first mounting location (111) being located in the middle of the first frame (11), the magnetic circuit assembly (3) being mounted to the first mounting location (111).

9. The loudspeaker according to claim 1, wherein the second frame (12) has a second mounting location (121), the second mounting location (121) being located in the middle of the second frame (12), the damper (23) being mounted to the second mounting location (121).

10. The loudspeaker of claim 1, wherein the dust cover (24) has channels (241), the channels (241) being distributed along a radial direction of the dust cover (24).