CN219960768U - Diffuser and sound box device - Google Patents

Abstract

The utility model discloses a diffuser and a sound box device, wherein the diffuser comprises at least one diffuser body, and a cavity penetrating through a first side and a second side of the diffuser body is formed in the diffuser body; the diffuser body comprises a first side wall, a second side wall, a third side wall and a fourth side wall which enclose a cavity, and the cavity is provided with a sound inlet and a first sound outlet which are oppositely arranged; defining the length direction of the first sound outlet as a first direction and the width direction of the first sound outlet as a second direction; the cavity is internally provided with a first sound guide rib plate and a second sound guide rib plate along a second direction; both ends of the first sound guide rib plate and the second sound guide rib plate are respectively connected with the first side wall and the second side wall; the cavity is divided into three sound channels by the first sound guide rib plate and the second sound guide rib plate, and the sound channels between the first sound guide rib plate and the second sound guide rib plate are concentrated channels. According to the technical scheme, the external sound of the first sound outlet is more concentrated, and the effect of making the sound full is achieved.

Description

Diffuser and sound box device

Technical Field

The utility model relates to the field of electronic equipment, in particular to a diffuser and a sound box device.

Background

The loudspeaker is a terminal of the overall loudspeaker system, which functions to convert audio electrical energy into corresponding acoustic energy and radiate it to the external space. It is an extremely important component of a sound box system and is responsible for converting an electrical signal into an acoustic signal for direct listening by a person's ears.

The sound outlet of the loudspeaker box is generally a round hole or a strip-shaped hole, and the area of the open area is usually smaller because the open area is limited by the volume of the loudspeaker box. When the strip-shaped sound outlet is adopted, the sound diffusion ranges at the two sides of the strip-shaped hole in the width direction are smaller, and the diffusion ranges at the two sides of the strip-shaped hole in the length direction are larger, so that sound energy is not concentrated, the sound transmission distance of the areas at the two sides of the strip-shaped hole in the width direction is short, the propagation space is small, and the sound quality is not full and fine; therefore, the provision of the strip-shaped sound outlet holes in the sound box may result in a non-concentrated sound propagation.

Disclosure of Invention

The utility model mainly aims to provide a diffuser, which aims to solve the problem that sound propagation is not concentrated due to unbalanced sound diffusion of strip-shaped sound outlet holes in a sound box.

To achieve the above object, the present utility model provides a diffuser comprising:

at least one diffuser body, an interior of the diffuser body forming a cavity through a first side and a second side of the diffuser body; the diffuser body comprises a first side wall, a second side wall, a third side wall and a fourth side wall which are oppositely arranged, wherein the first side wall, the second side wall, the third side wall and the fourth side wall are oppositely arranged and enclose a cavity, and the cavity is provided with a sound inlet and a first sound outlet which are oppositely arranged; defining the length direction of the first sound outlet as a first direction and the width direction of the first sound outlet as a second direction;

the cavity is internally provided with a first sound guide rib plate and a second sound guide rib plate at intervals along a second direction; two ends of the first sound guide rib plate are respectively connected with the first side wall and the second side wall, and two ends of the second sound guide rib plate are respectively connected with the first side wall and the second side wall; the first sound guide rib plate and the second sound guide rib plate divide the cavity into three sound channels, and the sound channels between the first sound guide rib plate and the second sound guide rib plate are concentrated sound channels.

Optionally, the length of the cross section of the concentrated sound channel in the second direction gradually decreases from the sound inlet to the first sound outlet.

Optionally, the length of the cross section of the concentrated sound channel in the first direction gradually increases from the sound inlet to the first sound outlet.

Optionally, concave-convex structures are disposed on inner sides of the first side wall and the second side wall.

Optionally, the concave-convex structure comprises at least two convex strips arranged at intervals, and the convex strips extend along the first direction; the side surfaces of the first sound guide rib plate and the second sound guide rib plate are respectively provided with at least two grooves, and the convex strips are clamped into the grooves.

Optionally, the diffuser includes two or more diffuser bodies, the two or more diffuser bodies are arranged along the first direction, and the two or more diffuser bodies are in an integral structure.

The utility model also provides a sound box device which comprises the diffuser, wherein the sound box device comprises a sound box body, the sound box body comprises a sound generating device, and the sound generating side of the sound generating device is connected with the first side of the diffuser body.

Optionally, the sound box device further comprises a sealing ring; the sealing ring is arranged along the sound inlet in a surrounding manner and is positioned between the sound inlet and the sound generating device.

Optionally, the sound box device further comprises a protection net structure and a protection shell, wherein the protection net structure is covered on the first side of the diffuser body, and two ends of the protection net structure are connected with two ends of the sound box body; a second sound outlet is formed in one side, far away from the sound box body, of the protection net structure, and the second sound outlet is arranged corresponding to the first sound outlet of the diffuser body; the protection shell covers the sound box body and the side surfaces of the protection net structure except the second sound outlet and the two ends.

Optionally, the first side of the diffuser body is provided with a connecting piece, and the connecting piece is used for being detachably connected with the sound box body.

According to the technical scheme, the first sound guide rib plate and the second sound guide rib plate are arranged in the cavity of the diffuser body, the first sound guide rib plate and the second sound guide rib plate divide the cavity into at least three sound channels, wherein the sound channels between the first sound guide rib plate and the second sound guide rib plate are set as a centralized sound channel, and the sound channels at two sides of the centralized sound channel are edge sound channels; the focusing channel focuses most of sound to be transmitted in the focusing channel so as to reduce the sound transmitted from the edge channel, and the focusing channel has the function of focusing the sound direction of the length direction of the first sound outlet, thereby realizing the function of focusing the sound. The first sound guide rib plate and the second sound guide rib plate are utilized to concentrate the energy of the sound source, so that the sound transmitted from the first sound outlet is plump, and the sound transmission distance is increased.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a diffuser according to an embodiment of the present utility model.

FIG. 2 is a schematic view of another view of an embodiment of a diffuser according to the present utility model.

FIG. 3 is a schematic view of an exploded view of an embodiment of a diffuser according to the present utility model.

Fig. 4 is a schematic diagram illustrating an internal structure of an embodiment of a speaker device according to the present utility model.

Fig. 5 is a schematic diagram of another internal structure of an embodiment of the speaker device of the present utility model.

Fig. 6 is a schematic end structure of an embodiment of the speaker device of the present utility model.

Fig. 7 is an enlarged partial schematic view of fig. 6.

Fig. 8 is a schematic diagram of an explosion structure of an embodiment of a speaker device according to the present utility model.

Fig. 9 is an exploded view of a protective net structure of an embodiment of a speaker device according to the present utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is included in the embodiment of the present utility model, the directional indication is merely used to explain a relative positional relationship between the parts, a movement condition, and the like in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. 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.

The utility model provides a diffuser.

Referring to fig. 1 to 5, in an embodiment of the present utility model, the diffuser includes at least one diffuser body 10, and the inside of the diffuser body 10 forms a cavity 1 penetrating a first side and a second side of the diffuser body 10; the diffuser body 10 includes a first sidewall 11, a second sidewall 12, a third sidewall 13, and a fourth sidewall 14, which are disposed opposite to each other, and the first sidewall 11, the second sidewall 12, the third sidewall 13, and the fourth sidewall 14 enclose a cavity 1. The cavity 1 is provided with a sound inlet 2 and a first sound outlet 3 which are arranged oppositely; the length direction of the first sound outlet 3 is defined as a first direction, and the width direction of the first sound outlet 3 is defined as a second direction, wherein the first direction and the second direction are mutually perpendicular. The cavity 1 is internally provided with a first sound guiding rib plate 4 and a second sound guiding rib plate 5 at intervals along the second direction; two ends of the first sound guiding rib plate 4 are respectively connected with the first side wall 11 and the second side wall 12, and two ends of the second sound guiding rib plate 5 are respectively connected with the first side wall 11 and the second side wall 12; the first sound guiding rib plate 4 and the second sound guiding rib plate 5 divide the cavity 1 into three sound channels, wherein the sound channels between the first sound guiding rib plate 4 and the second sound guiding rib plate 5 are the concentrated sound channels 61, and the sound channels at two sides of the concentrated sound channels 61 are the edge sound channels 62.

In the above structure, by providing the first and second voice guiding rib plates 4 and 5 in the cavity 1 inside the diffuser body 10, the first and second voice guiding rib plates 4 and 5 divide the cavity 1 into at least three sound channels, wherein the sound channels between the first and second voice guiding rib plates 4 and 5 are set as the concentrated channels 61, and the sound channels at both sides of the concentrated channels 61 are the edge channels 62; the center channel 61 concentrates most of the sound to be transmitted in the center channel 61 to reduce the sound transmitted from the edge channel 62, and the center channel 61 has the function of focusing the sound direction of the first sound outlet 3 in the longitudinal direction, thereby realizing the function of focusing the sound. The first sound guide rib plates 4 and the second sound guide rib plates 5 can be used for concentrating the energy of the sound source, so that the sound transmitted from the first sound outlet 3 is plump, and the sound transmission distance is increased.

Alternatively, as shown in fig. 5, the length of the cross section of the center channel 61 in the second direction gradually decreases from the sound inlet 2 to the first sound outlet 3.

Alternatively, as shown in fig. 4, the length of the cross section of the center channel 61 in the first direction gradually increases from the sound inlet 2 to the first sound outlet 3.

In the above structure, as shown in fig. 1, two ends of the first sound guiding rib plate 4 are respectively connected with the first side wall 11 and the second side wall 12, and two ends of the second sound guiding rib plate 5 are respectively connected with the first side wall 11 and the second side wall 12; the first sound guiding rib plate 4 is inclined towards one side far away from the second sound guiding rib plate 5, the second sound guiding rib plate 5 is inclined towards one side far away from the first sound guiding rib plate 4, a concentration channel 61 is formed between the first sound guiding rib plate 4 and the second sound guiding rib plate 5, and the concentration channel 61 is used for concentrating and transmitting most of sound so as to reduce the sound transmitted from the edge channel 62 and further realize the effect of concentrating the sound; so that sound can be concentrated while it is traveling from the sound inlet 2 to the first sound outlet 3.

Optionally, as shown in fig. 1, 3 and 5, the first side wall 11 and the second side wall 12 are provided with concave-convex structures 15 facing the inner side of the cavity 1; the concave-convex structure 15 comprises at least two convex strips which are arranged at intervals, and the convex strips extend along the first direction; at least two grooves are arranged on the side surfaces of the first sound guiding rib plate 4 and the second sound guiding rib plate 5, and the convex strips are clamped into the grooves. In the above structure, the arrowed lines in fig. 5 are sound propagation paths, including a dotted line path and a solid line path, respectively; the dashed path is an original sound propagation path, only part of sound waves in the dashed path are directly emitted from the first sound outlet 3, the solid path is a sound propagation path of the sound waves after passing through the diffuser body 10, and convex strips on the concave-convex structure 15 are used for reflecting the sound waves, so that the sound waves can be reflected at multiple angles, and the sound waves can be propagated at different angles, so that the sound wave quantity emitted from the first sound outlet 3 is improved. In the above-described configuration, the sound wave is reflected by the concave-convex structure 15 and then emitted from the first sound outlet 3, so that the emission angle of the sound wave emitted from the first sound outlet 3 in the width direction of the cavity 1 is increased, and further, the sound propagation range of the first sound outlet 3 in the width direction is increased.

Alternatively, as shown in fig. 2 and 8, the sound inlet 2 includes a circular hole provided toward the sound generating device 21.

In the above structure, the round hole is used for connecting the sound producing side of the sound producing device 21, and the sound produced by the sound producing device 21 enters the diffuser body 10 through the sound inlet 2; the circular holes make the sound radiated from the sound generating device 21 to the collecting channel 61 more uniform and make the sound emitted from the first sound outlet 3 more full.

Alternatively, as shown in fig. 8, two or more diffuser bodies 10 are arranged in the first direction, and two or more diffuser bodies 10 are of a unitary structure. In the above-described structure, two or more diffuser bodies 10 are arranged in the first direction to form a diffuser, and two or more diffuser bodies 10 are integrally formed, so that the connection stability between the diffuser bodies 10 can be improved.

The utility model also provides a sound box device, as shown in fig. 4 to 9, the sound box device comprises a diffuser, and the specific structure of the diffuser refers to the above embodiment. Wherein, the audio amplifier device includes audio amplifier body 20, and audio amplifier body 20 includes sound generating mechanism 21, and the sound generating side of sound generating mechanism 21 is connected with the first side of diffuser body 10.

Optionally, as shown in fig. 1, the first side of the diffuser body 10 is provided with a connecting piece 7, the connecting piece 7 is used for detachably connecting with the sound box body 20, specifically, a plurality of connecting holes 71 are provided on the connecting piece 7, and the connecting piece 7 is connected with the sound box body 20 through the connecting holes 71.

Preferably, the sound box body 20 includes one or more sound emitting devices 21, and the positions and the number of the diffuser bodies 10 correspond to those of the sound emitting devices 21.

Optionally, as shown in fig. 2, the sound box device further includes a sealing ring 8; the sealing ring 8 is circumferentially arranged along the sound inlet 2 and is positioned between the sound inlet 2 and the sound generating device 21. In the above structure, the sealing ring 8 is used for sealing the connection part between the sound inlet 2 and the sound generating device 21, so as to reduce the occurrence of sound leakage between the sound generating device 21 and the sound inlet 2.

Optionally, as shown in fig. 8 and 9, the speaker device further includes a protective net structure 30 and a protective housing 40, where the protective net structure 30 is covered on the second side of the diffuser body 10, and the protective net structure 30 is detachably connected to the connection hole 71 of the connection member 7, for example, by a fastener such as a bolt. The two ends of the protection net structure 30 are connected with the two ends of the sound box body 20; the protection net structure 30 is provided with a second sound outlet 311, and the second sound outlet 311 is arranged corresponding to the first sound outlet 3 of the diffuser body 10; the protective case 40 covers the sides of the sound box body 20 and the protective net structure 30 except the second sound outlet 311 and both ends, that is, for the whole of the sound box body 20 and the protective net structure 30 except the positions of the second sound outlet 311 and both ends, other areas of the whole of the sound box body 20 and the protective net structure 30 are covered by the protective case 40.

In the above structure, the addition of the protection net structure 30 can prevent foreign matters from entering the interior of the sound box device from the first sound outlet 3, sound waves are emitted from the second sound outlet 311, the protection net structure 30 comprises a support frame 31, a net distribution structure 32, a first end cover 33 and a second end cover 34, the support frame 31 is provided with the second sound outlet 311, the net distribution structure 32 is covered on the support frame 31, the end parts of the net distribution structure 32 covered on two ends of the support frame 31 are respectively provided with a first connecting hole 321 and a second connecting hole (not shown in the figure), the first end cover 33 and the second end cover 34 are arranged at two ends of the support frame 31, the first end cover 33 is clamped into the first connecting hole 321, and the second end cover 34 is clamped into the second connecting hole; the protection net structure 30 has the function of protecting the sound box body 20, and the first end cover 33 and the second end cover 34 are used for fixing the cloth net structure 32 on the supporting frame 31. In addition, as shown in fig. 7 and 8, the protection casing 40 includes a plurality of silica gel supports, the plurality of silica gel supports are rotatably connected with each other, the inner walls of the silica gel supports at two ends of the protection casing 40 are respectively provided with a plurality of fastening parts 41, the side surface of the support frame 31 of the protection net structure 30 is provided with a plurality of clamping grooves 312, the fastening parts 41 are clamped into the clamping grooves 312, two ends of the protection casing 40 are connected with the protection net structure 30, and the fastening parts 41 and the clamping grooves 312 are additionally arranged, so that the protection casing has the advantage of convenient installation. In addition, as shown in fig. 8, at least one end of the speaker body 20 is provided with a passive radiator 22, and the passive radiator 22 is generally used for adjusting bass sound, so that the overall tone of the speaker device can be adjusted.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather, the equivalent structural changes made by the description and drawings of the present utility model or the direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims (10)

1. A diffuser, comprising:

at least one diffuser body, an interior of the diffuser body forming a cavity through a first side and a second side of the diffuser body; the diffuser body comprises a first side wall, a second side wall, a third side wall and a fourth side wall which are oppositely arranged, wherein the first side wall, the second side wall, the third side wall and the fourth side wall are oppositely arranged and enclose a cavity, and the cavity is provided with a sound inlet and a first sound outlet which are oppositely arranged; defining the length direction of the first sound outlet as a first direction and the width direction of the first sound outlet as a second direction;

the cavity is internally provided with a first sound guide rib plate and a second sound guide rib plate at intervals along a second direction; two ends of the first sound guide rib plate are respectively connected with the first side wall and the second side wall, and two ends of the second sound guide rib plate are respectively connected with the first side wall and the second side wall; the first sound guide rib plate and the second sound guide rib plate divide the cavity into three sound channels, and the sound channels between the first sound guide rib plate and the second sound guide rib plate are concentrated sound channels.

2. The diffuser of claim 1 wherein the length of the cross-section of the concentrated acoustic channel in the second direction decreases progressively from the inlet to the first outlet.

3. The diffuser of claim 1 wherein the length of the cross-section of the concentrated sound channel in a first direction increases gradually from the sound inlet to the first sound outlet.

4. A diffuser according to any one of claims 1 to 3 wherein the inner sides of the first and second side walls are each provided with a relief structure.

5. The diffuser of claim 4 wherein said relief structure comprises at least two spaced apart ribs extending in a first direction; the side surfaces of the first sound guide rib plate and the second sound guide rib plate are respectively provided with at least two grooves, and the convex strips are clamped into the grooves.

6. The diffuser of claim 1, wherein the diffuser comprises two or more diffuser bodies, the two or more diffuser bodies being arranged in the first direction, the two or more diffuser bodies being of unitary construction.

7. A loudspeaker device comprising a diffuser according to any one of claims 1 to 6, the loudspeaker device further comprising a loudspeaker body comprising a sound emitting device, a sound emitting side of the sound emitting device being connected to a first side of the diffuser body.

8. The sound box assembly of claim 7, further comprising a seal ring; the sealing ring is arranged along the sound inlet in a surrounding manner and is positioned between the sound inlet and the sound generating device.

9. The sound box device according to claim 7, further comprising a protective net structure and a protective shell, wherein the protective net structure is covered on the second side of the diffuser body, and two ends of the protective net structure are connected with two ends of the sound box body; a second sound outlet is formed in one side, far away from the sound box body, of the protection net structure, and the second sound outlet is arranged corresponding to the first sound outlet of the diffuser body; the protection shell covers the sound box body and the side surfaces of the protection net structure except the second sound outlet and the two ends.

10. The loudspeaker assembly of claim 7 wherein the first side of the diffuser body is provided with a connector for removable connection with the loudspeaker body.