Loudspeaker assembly

Abstract

The utility model discloses a loudspeaker assembly, and relates to the loudspeaker technology field, the loudspeaker assembly comprises a housing and a loudspeaker single body, the housing comprises a heat conduction bottom shell, the loudspeaker single body is arranged in the housing, and the side part and the bottom part of the loudspeaker single body are connected with the heat conduction bottom shell in a heat conduction manner; according to the technical scheme provided by the utility model, the heat dissipation effect of the loudspeaker assembly can be improved.

Description

Technical Field

[0001] This utility model relates to the field of loudspeaker technology, and in particular to a loudspeaker assembly. Background Technology

[0002] Currently, tweeters on the market, especially those relying on natural convection or radiation for heat dissipation, have improved in sound quality and power handling, but their heat dissipation performance is often unsatisfactory when used in enclosed and limited spaces. Utility Model Content

[0003] The main objective of this invention is to provide a speaker assembly that improves the heat dissipation performance of the speaker assembly.

[0004] To achieve the above objectives, the present invention provides a loudspeaker assembly comprising:

[0005] The housing includes a thermally conductive base; and

[0006] The speaker unit is disposed inside the housing, and the sides and bottom of the speaker unit are thermally connected to the thermally conductive bottom shell.

[0007] In one embodiment, the speaker assembly further includes a heat-conducting bracket disposed between the side of the speaker unit and the heat-conducting base shell.

[0008] In one embodiment, the heat-conducting bracket extends annularly along the inner wall of the heat-conducting base shell and forms a central hole, through which the speaker unit passes;

[0009] And / or, the inner wall of the heat-conducting bottom shell is provided with a support ring platform, and the heat-conducting bracket is mounted on the support ring platform;

[0010] And / or, the heat-conducting support is a metal support.

[0011] In one embodiment, the speaker unit has at least one connecting ear on its side, and the speaker unit connects to the heat-conducting bracket through the connecting ear.

[0012] In one embodiment, a positioning post is connected to the upper surface of the heat-conducting bracket, and the connecting lug is provided with a positioning hole for the positioning post to pass through.

[0013] And / or, the connecting ears are provided in three parts and are evenly spaced along the side of the speaker unit.

[0014] In one embodiment, the speaker assembly further includes a heat-conducting structure disposed between the bottom of the speaker unit and the heat-conducting base shell.

[0015] In one embodiment, the area of ​​the bottom of the speaker unit is S1, the area of ​​the heat-conducting structure in contact with the bottom of the speaker unit is S2, and S2 / S1≥30%.

[0016] In one embodiment, the heat-conducting structure is configured as a plurality of heat-conducting ribs, which are spaced apart on the bottom wall of the heat-conducting base shell; or the plurality of heat-conducting ribs are arranged crosswise on the bottom wall of the heat-conducting base shell.

[0017] In one embodiment, the heat-conducting structure and the heat-conducting base shell are integral parts.

[0018] In one embodiment, the heat-conducting structure includes a heat-conducting platform and a connecting column located below the heat-conducting platform. The heat-conducting platform is supported directly below the speaker unit, and the connecting column is connected to the bottom wall of the heat-conducting base shell.

[0019] In one embodiment, in the upward projection direction, the orthographic projection of the heat-conducting stage is larger than the orthographic projection of the connecting column;

[0020] And / or, the connecting post and the thermally conductive base are connected by fasteners.

[0021] In one embodiment, the heat-conducting base shell is configured as at least one of aluminum, iron, or copper.

[0022] And / or, the housing further includes a mesh cover that covers the opening of the thermally conductive bottom shell.

[0023] In the technical solution of this utility model, the side and bottom of the speaker unit are thermally connected to the heat-conducting base shell, which can transform air conduction heat dissipation into contact heat dissipation. Combined with the thermal conductivity of the heat-conducting base shell, the speaker unit can have good heat dissipation performance in a small, enclosed space, improve the heat dissipation effect of the speaker assembly, extend the service life of the speaker assembly, and at the same time improve the safety of the speaker assembly. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0025] Figure 1 A schematic diagram of the structure of an embodiment of the speaker assembly provided by this utility model;

[0026] Figure 2 for Figure 1A cross-sectional view of an embodiment of a loudspeaker assembly;

[0027] Figure 3 for Figure 2 A schematic diagram of the structure of the center speaker assembly after the grille has been removed;

[0028] Figure 4 for Figure 1 A cross-sectional view of another embodiment of the loudspeaker assembly;

[0029] Figure 5 for Figure 4 A schematic diagram of the structure of the center speaker assembly after the grille has been removed;

[0030] Figure 6 This is a schematic diagram illustrating the lifespan of a speaker assembly under conventional conditions.

[0031] Figure 7 A schematic diagram illustrating the service life of an embodiment of the speaker assembly provided by this utility model.

[0032] Explanation of icon numbers:

[0033] 10. Outer shell; 11. Thermally conductive base shell; 111. Support ring platform; 12. Mesh cover;

[0034] 20. Heat-conducting bracket; 21. Center hole; 22. Positioning post;

[0035] 30. Speaker driver; 31. Connecting ear; 32. Positioning hole;

[0036] 41. Heat-conducting ribs; 42. Heat-conducting platform; 43. Connecting column; 44. Fasteners.

[0037] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0039] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0040] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0041] Currently, tweeters on the market, especially those relying on natural convection or radiation for heat dissipation, have improved in sound quality and power handling, but their heat dissipation performance is often unsatisfactory when used in enclosed and limited spaces.

[0042] Tweeters can be used in various playback devices that require high-frequency sound. Taking the tweeter lifting mechanism installed in a space inside a car as an example, the speaker unit has a motor and other drive mechanism and a main board arranged around it. Due to the limited space and the heat generated by the drive mechanism during operation, the tweeter cannot achieve good heat dissipation, which can easily lead to excessively high voice coil temperature, causing safety hazards such as wire breakage and speaker burnout.

[0043] To address this technical problem, this utility model proposes a loudspeaker assembly.

[0044] Please see Figures 1 to 5 In one embodiment of the present invention, the speaker assembly includes a housing 10 and a speaker unit 30. The housing 10 includes a heat-conducting bottom shell 11, and the speaker unit 30 is disposed inside the housing 10. The sides and bottom of the speaker unit 30 are thermally connected to the heat-conducting bottom shell 11 to improve the heat dissipation effect of the speaker assembly.

[0045] In the technical solution of this utility model, the side and bottom of the speaker unit 30 are thermally connected to the heat-conducting base shell 11, which can transform air conduction heat dissipation into contact heat dissipation. Combined with the thermal conductivity of the heat-conducting base shell 11, the speaker unit 30 can have good heat dissipation performance in a small space, improve the heat dissipation effect of the speaker assembly, extend the service life of the speaker assembly, and at the same time improve the safety of the speaker assembly.

[0046] Specifically, the sides and bottom of the speaker unit 30 are thermally connected to the heat-conducting base shell 11. While increasing the effective connection area between the speaker unit 30 and the heat-conducting base shell 11, the heat on the speaker unit 30 can have at least two heat dissipation paths, improving the heat dissipation effect of the speaker unit 30 and also improving the installation stability of the speaker unit 30 to a certain extent.

[0047] The speaker unit 30 includes, but is not limited to, a tweeter, a woofer, and a midrange driver; the heat-conducting base shell 11 can be made of a heat-conducting material, which can be a metal, ceramic, or other material with good heat conduction. When the heat-conducting material is a metal, aluminum is preferred. Alternatively, if the weight allows, iron, copper, or other metals can also be used; and / or the heat-conducting base shell 11 is provided with a heat dissipation structure, which can be configured as heat dissipation through holes formed on the heat-conducting base shell 11 or heat dissipation fins connected to the outside of the heat-conducting base shell 11.

[0048] Optionally, in an embodiment of the present invention, a mesh cover 12 is provided at the opening of the heat-conducting bottom shell 11 to define the accommodating space for the speaker unit 30, protect the speaker unit 30, improve the service life of the speaker unit 30, and ensure that the sound generated by the speaker unit 30 is transmitted through the mesh cover 12 to the speaker assembly; wherein, the connection method between the mesh cover 12 and the heat-conducting bottom shell 11 includes, but is not limited to, snap-fit ​​connection and threaded connection.

[0049] Please see Figures 2 to 5 In an embodiment of the present invention, the speaker assembly further includes a heat-conducting bracket 20 disposed between the side of the speaker unit 30 and the heat-conducting bottom shell 11, so as to realize the assembly of the speaker unit 30 in the shell 10 and form a heat dissipation path located on the side of the speaker unit 30.

[0050] Specifically, in an embodiment of this utility model, the heat-conducting bracket 20 extends annularly along the inner wall of the heat-conducting bottom shell 11 and forms a central hole 21. The speaker unit 30 passes through the central hole 21. At this time, the speaker unit 30 is fixedly connected to the heat-conducting bracket 20. The connection method includes, but is not limited to, overlapping, gluing, snap-fitting, screw connection, and / or the side wall of the speaker unit 30 is in contact with the hole wall of the central hole 21. This ensures reliable assembly of the speaker unit 30 within the outer shell 10, and at the same time, ensures a large contact area between the speaker unit 30 and the heat-conducting bracket 20, so that heat can be transferred to the heat-conducting bottom shell 11 through the heat-conducting bracket 20, thereby achieving efficient heat dissipation of the speaker unit 30. However, in other embodiments, there are multiple heat-conducting brackets 20, which are spaced apart along the inner wall of the heat-conducting base shell 11; or, one end of the heat-conducting bracket 20 is connected to the side of the speaker unit 30, and the other end is connected to the heat-conducting base shell 11; or, one end of the heat-conducting bracket 20 is supported on the bottom of the speaker unit 30, and the other end extends along the side of the speaker unit 30 and is connected to the heat-conducting base shell 11.

[0051] Specifically, in this embodiment of the invention, the inner wall of the heat-conducting base shell 11 is provided with a support ring platform 111, and the heat-conducting bracket 20 is mounted on the support ring platform 111. This not only completes the installation of the heat-conducting bracket 20 within the heat-conducting base shell 11, but also helps to increase the contact area between the heat-conducting bracket 20 and the heat-conducting base shell 11, thereby improving the heat conduction effect between the heat-conducting bracket 20 and the heat-conducting base shell 11. In addition, after the edge of the heat-conducting bracket 20 rests on the support ring platform 111, it can be further fixed to the heat-conducting base shell 11 by means of adhesive or other methods.

[0052] Optionally, in an embodiment of this utility model, the heat-conducting bracket 20 is a metal bracket, and the heat-conducting bracket 20 can be made of a heat-conducting material. The heat-conducting material can be a metal, ceramic or other material with good heat conduction effect. When the heat-conducting bracket 20 is a metal bracket, the preferred metal material is aluminum. Secondly, if the weight allows, the metal material can also be iron, copper or other materials.

[0053] Please see Figures 2 to 5 In an embodiment of this utility model, the speaker unit 30 has at least one connecting ear 31 on its side. The speaker unit 30 connects to the heat-conducting bracket 20 via the connecting ear 31, thereby achieving reliable assembly of the speaker unit 30 within the housing 10. Furthermore, the connection between the connecting ear 31 and the heat-conducting bracket 20 forms a heat dissipation path, allowing heat from the speaker unit 30 to be transferred to the heat-conducting bracket 20 through the connecting ear 31, thus achieving heat dissipation from the speaker unit 30. The connecting ear 31 may be provided with weight-reduction holes to reduce the overall weight of the speaker assembly while ensuring the structural rigidity of the connecting ear 31. The cross-sectional shape of the connecting ear 31 may be triangular or rectangular.

[0054] Specifically, three connecting ears 31 are provided and evenly spaced along the side of the speaker unit 30. In this case, the heat-conducting bracket 20 can be provided corresponding to the three connecting ears 31, or the heat-conducting bracket 20 can extend in a ring shape, improving the reliability of the connection of the connecting ears 31. The even and spaced arrangement of the connecting ears 31 allows the overall weight of the speaker unit 30 to be evenly distributed among the connecting ears 31, which is beneficial for improving the connection stability of the speaker unit 30 and the lifespan of each connecting ear 31. Of course, in other embodiments, the number of connecting ears 31 includes, but is not limited to, 1, 2, 3, 4, and 5.

[0055] Furthermore, in a further embodiment of this utility model, a positioning post 22 is connected to the upper surface of the heat-conducting bracket 20, and the connecting ear 31 has a positioning hole 32 for the positioning post 22 to pass through. This not only improves the assembly efficiency of the heat-conducting bracket 20 and the connecting ear 31, but also increases the effective contact area between the connecting ear 31 and the heat-conducting bracket 20 to a certain extent, further improving the heat dissipation effect of the speaker unit 30. However, in other embodiments, the upper surface of the heat-conducting bracket 20 is provided with a groove adapted to the connecting ear 31. Embedding the connecting ear 31 into the corresponding groove can also improve the assembly efficiency of the heat-conducting bracket 20 and the connecting ear 31, and improve the heat dissipation effect of the speaker unit 30.

[0056] Please see Figures 2 to 5 In an embodiment of this utility model, the speaker assembly further includes a heat-conducting structure disposed between the bottom of the speaker unit 30 and the heat-conducting base shell 11, to improve the assembly stability of the speaker unit 30 within the housing 10 and to form a heat dissipation path at the bottom of the speaker unit 30. The combination of the heat-conducting base shell 11 and / or the heat-conducting bracket 20 disposed between the side of the speaker unit 30 and the heat-conducting base shell 11 greatly enhances the heat dissipation effect of the speaker assembly.

[0057] Specifically, in this embodiment of the invention, the area of ​​the bottom of the speaker unit 30 is S1, and the area of ​​the heat-conducting structure in contact with the bottom of the speaker unit 30 is S2, with S2 / S1 ≥ 30%. This ensures a large contact area between the bottom of the speaker unit 30 and the heat-conducting structure, thereby enhancing the stability of the speaker unit 30 and effectively guaranteeing the heat dissipation effect at the bottom of the speaker unit 30 while avoiding the impact of a small contact area on heat dissipation. Furthermore, when weight allows, S2 / S1 = 100%, meaning the area of ​​the bottom of the speaker unit 30 is equal to the contact area between the heat-conducting structure and the speaker unit 30. However, in other embodiments, under other circumstances, such as when the speaker unit 30 transfers a large amount of heat to the heat-conducting bottom shell 11 through its side, S2 / S1 may be less than 30%.

[0058] Please see Figures 2 to 3In an embodiment of this utility model, the heat-conducting structure is configured as a plurality of heat-conducting ribs 41, which are spaced apart on the bottom wall of the heat-conducting base shell 11; or the plurality of heat-conducting ribs 41 are arranged crosswise on the bottom wall of the heat-conducting base shell 11. This reliably ensures that each heat-conducting rib 41 is in contact with the bottom of the speaker unit 30, and the heat dissipation effect of the speaker assembly can be improved by satisfying S2 / S1≥30%. Furthermore, the hot air inside the shell 10 can also transfer heat with the heat-conducting ribs 41, further improving the heat dissipation effect. The spaced or crosswise arrangement of the heat-conducting ribs 41 can reduce the weight of the speaker assembly to a certain extent.

[0059] Specifically, in the embodiments of this utility model, the heat-conducting structure and the heat-conducting bottom shell 11 are integral parts, which facilitates the processing of the heat-conducting structure and the connection between the heat-conducting structure and the heat-conducting bottom shell 11; wherein, the connection method between the heat-conducting structure and the heat-conducting shell includes, but is not limited to, integral molding, bonding, and welding.

[0060] Please see Figures 4 to 5 In an embodiment of this utility model, the heat-conducting structure includes a heat-conducting platform 42 and a connecting column 43 located below the heat-conducting platform 42. The heat-conducting platform 42 is supported directly below the speaker unit 30, and the connecting column 43 is connected to the bottom wall of the heat-conducting bottom shell 11. This reliably ensures the contact between the heat-conducting platform 42 and the bottom of the speaker unit 30, and can improve the heat dissipation effect of the speaker assembly by satisfying S2 / S1≥30%. At the same time, it can reduce the weight of the speaker assembly to a certain extent.

[0061] The connecting post 43 is detachably connected to the heat-conducting base shell 11, which facilitates the independent manufacturing of the heat-conducting base shell 11 and the heat-conducting structure, simplifies the processing difficulty, and allows the heat-conducting structure to be replaced according to heat dissipation and weight requirements. That is, the heat dissipation effect and weight of the speaker assembly can be improved by adjusting the size of the heat-conducting platform 42 and the connecting post 43.

[0062] Specifically, the connecting post 43 and the heat-conducting base shell 11 are connected by fasteners 44, such as... Figure 5 As shown, the fastener 44 is configured as a bolt, and the connecting post 43 is provided with internal threads. The heat-conducting structure is fixed to the heat-conducting base shell 11 through the threaded connection between the internal threads and the bolt. However, in other embodiments, the connecting post 43 is provided with external threads, the inner wall of the heat-conducting base shell 11 is provided with a connecting platform, and the connecting platform is provided with internal threads, or the heat-conducting base shell 11 is provided with an internally threaded hole communicating with the outside, which can also realize the connection between the heat-conducting structure and the heat-conducting base shell 11; or, the connecting post 43 and the heat-conducting base shell 11 are relatively fixed by connection methods such as screws or snaps.

[0063] Optionally, in an embodiment of this utility model, the orthographic projection of the heat-conducting platform 42 is larger than the orthographic projection of the connecting column 43 in the upward projection direction. In this way, while ensuring the reliable support of the connecting column 43 for the heat-conducting platform 42 and the reliable connection between the connecting column 43 and the heat-conducting bottom shell 11, the size of the connecting column 43 can be reduced, the weight of the heat-conducting structure can be reduced, and the heat dissipation effect of the bottom of the speaker unit 30 can be ensured.

[0064] In summary, compared to the conventional solution where the speaker unit 30 is suspended inside the housing 10 and dissipates heat through air conduction (which has a weaker heat dissipation effect and a lifespan of 18 minutes), the speaker assembly of this invention has a superior heat dissipation effect, extending its lifespan to at least 1 hour. For details, please refer to [reference needed]. Figures 6 to 7 .

[0065] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention specification and drawings under the technical concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A loudspeaker assembly, characterized in that, include: The outer casing includes a thermally conductive base shell; and The speaker unit is disposed inside the housing, and the sides and bottom of the speaker unit are thermally connected to the thermally conductive bottom shell.

2. The loudspeaker assembly as claimed in claim 1, characterized in that, The speaker assembly also includes a heat-conducting bracket disposed between the side of the speaker unit and the heat-conducting base shell.

3. The loudspeaker assembly as claimed in claim 2, characterized in that, The heat-conducting bracket extends in a ring along the inner wall of the heat-conducting bottom shell and forms a central hole, through which the speaker unit passes. And / or, the inner wall of the heat-conducting bottom shell is provided with a support ring platform, and the heat-conducting bracket is mounted on the support ring platform; And / or, the heat-conducting support is a metal support.

4. The loudspeaker assembly as claimed in claim 2, characterized in that, The speaker unit has at least one connecting ear on its side, and the speaker unit is connected to the heat-conducting bracket through the connecting ear.

5. The loudspeaker assembly as claimed in claim 4, characterized in that, The upper surface of the heat-conducting bracket is connected to a positioning post, and the connecting ear is provided with a positioning hole for the positioning post to pass through. And / or, the connecting ears are provided in three parts and are evenly spaced along the side of the speaker unit.

6. The loudspeaker assembly as claimed in any one of claims 1 to 5, characterized in that, The speaker assembly also includes a heat-conducting structure disposed between the bottom of the speaker unit and the heat-conducting base shell.

7. The loudspeaker assembly as claimed in claim 6, characterized in that, The area of ​​the bottom of the speaker unit is S1, and the area of ​​the heat-conducting structure in contact with the bottom of the speaker unit is S2, where S2 / S1≥30%.

8. The loudspeaker assembly as claimed in claim 6, characterized in that, The heat-conducting structure is configured as multiple heat-conducting ribs, which are spaced apart on the bottom wall of the heat-conducting base shell; or the multiple heat-conducting ribs are arranged crosswise on the bottom wall of the heat-conducting base shell.

9. The loudspeaker assembly as claimed in claim 8, characterized in that, The heat-conducting structure and the heat-conducting bottom shell are integral parts.

10. The loudspeaker assembly as claimed in claim 6, characterized in that, The heat-conducting structure includes a heat-conducting platform and a connecting column located below the heat-conducting platform. The heat-conducting platform is supported directly below the speaker unit, and the connecting column is connected to the bottom wall of the heat-conducting base shell.

11. The loudspeaker assembly as claimed in claim 10, characterized in that, In the direction of upward projection, the orthographic projection of the heat-conducting stage is larger than the orthographic projection of the connecting column; And / or, the connecting post and the thermally conductive base are connected by fasteners.

12. The loudspeaker assembly as claimed in claim 1, characterized in that, The heat-conducting base shell is configured to be at least one of aluminum shell, iron shell, or copper shell. And / or, the housing further includes a mesh cover that covers the opening of the thermally conductive bottom shell.

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