Waterproof loudspeaker

By setting off air holes and waterproof breathable membranes on the dust cap in the waterproof speaker, the problem of difficulty in resetting the diaphragm is solved, and the rapid reset of the diaphragm is achieved and the service life of the speaker is extended.

CN223219215UActive Publication Date: 2025-08-12SHENZHEN SUNWAY ACOUSTICS TECH CO LTD
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Patent Information

Application Number
CN202422175446.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-08-12
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

The diaphragm of traditional waterproof speakers is difficult to reset quickly after leaving the water surface, resulting in poor performance or permanent damage.

Method used

A waterproof speaker is designed, including a waterproof and breathable membrane with a blowhole on the dust cap and covering the blowhole, which balances the air pressure inside and outside the speaker, so that the diaphragm assembly can be reset quickly.

Benefits of technology

It effectively reduces the risk of damage to the diaphragm assembly and extends the service life of the waterproof speaker.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waterproof loudspeaker, which comprises a frame, a vibration assembly, a voice coil, a dustproof cap and a waterproof breathable film, and is characterized in that the center of the vibration assembly is provided with a window, and the vibration assembly is connected with the frame; the upper part of the voice coil is arranged in the open window in a penetrating manner, and the voice coil is fixedly connected with the vibration assembly; the dustproof cap is connected with the vibration assembly, the dustproof cap is arranged corresponding to the voice coil, and the dustproof cap is provided with an air leakage hole; and the waterproof breathable film is arranged on the dustproof cap and covers the air leakage hole. The waterproof loudspeaker is novel in structure, the dustproof cap is provided with the air leakage hole and the waterproof breathable film covering the air leakage hole, air pressure on the inner side and the outer side of the waterproof loudspeaker can be effectively balanced, after the waterproof loudspeaker leaves the water surface and water on the surface is dry, the vibrating diaphragm assembly can reset quickly, the damage risk of the vibrating diaphragm assembly can be reduced, and the service life of the loudspeaker is prolonged. And the service life of the waterproof loudspeaker is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of electroacoustic converters, in particular to a waterproof loudspeaker. Background Art

[0002] With the continuous upgrading of electronic products, the performance requirements of electronic products are getting higher and higher. Electronic products have evolved from daily waterproofing to IP68 level or even higher level waterproofing requirements.

[0003] When subjected to high water pressure, the diaphragm of traditional waterproof speakers is prone to sinking, and it is difficult to rebound to the original designed position when leaving the water surface, resulting in poor performance of the waterproof speaker and even permanent damage. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a waterproof loudspeaker whose diaphragm assembly can be quickly reset after leaving the water surface.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a waterproof speaker, comprising:

[0006] basin rack;

[0007] A vibration component, wherein a window is provided in the center of the vibration component and the vibration component is connected to the basin frame;

[0008] a voice coil, the upper portion of which is inserted into the window, and the voice coil is fixedly connected to the vibration assembly;

[0009] A dust cap, the dust cap being connected to the vibration assembly, the dust cap being arranged corresponding to the voice coil, and having an air vent hole;

[0010] A waterproof and breathable membrane is provided on the dustproof cap and covers the air leakage hole.

[0011] Furthermore, the inner surface and / or outer surface of the dust cap is provided with the waterproof breathable membrane.

[0012] Furthermore, the air leakage hole is provided on the top of the dust cap.

[0013] Furthermore, the dust cap has a plane portion, and the air leakage hole is provided on the plane portion.

[0014] Furthermore, a flow gap is provided between the top end of the voice coil and the dust cap.

[0015] Furthermore, the waterproof and breathable membrane is adhesively connected to the dust cap.

[0016] Furthermore, the vibration assembly includes a cone and a diaphragm arranged around the cone, the diaphragm is connected to the cone frame, the window is arranged in the center of the cone, and the dust cap and the voice coil are connected to the cone.

[0017] Furthermore, it also includes a spring, which connects the lower part of the voice coil and the basin frame.

[0018] Furthermore, it also includes a magnetic circuit component with a magnetic gap, the magnetic circuit component is fixedly connected to the basin frame, and the lower part of the voice coil extends into the magnetic gap.

[0019] Furthermore, the magnetic circuit assembly includes a magnetic bowl and a central magnetic structure disposed in the magnetic bowl, and the magnetic gap is formed between the peripheral wall of the magnetic bowl and the central magnetic structure.

[0020] The beneficial effects of the present invention are: the waterproof speaker has a novel structure, an air bleed hole is provided on the dust cap, and there is also a waterproof breathable membrane covering the air bleed hole, which can effectively balance the air pressure inside and outside the waterproof speaker, so that the waterproof speaker leaves the water surface. After the surface moisture dries, the diaphragm assembly can be quickly reset, which is beneficial to reduce the risk of damage to the diaphragm assembly and extend the service life of the waterproof speaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a cross-sectional view of the waterproof speaker according to the first embodiment of the present invention;

[0022] Figure 2 for Figure 1 Enlarged view of detail A.

[0023] Description of labels:

[0024] 1. Basin rack;

[0025] 2. Magnetic circuit assembly; 21. Magnetic bowl; 211. Bottom plate; 212. Peripheral wall; 22. Central magnetic structure; 221. Central magnetic steel; 222. Central washer;

[0026] 3. Vibration assembly; 31. Cone; 32. Diaphragm;

[0027] 4. Voice coil;

[0028] 5. Dust cap; 51. Air vent; 52. Flat surface;

[0029] 6. Waterproof and breathable membrane;

[0030] 7. Circulation gap;

[0031] 8. Rebound. DETAILED DESCRIPTION

[0032] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

[0033] Please refer to Figure 1 and Figure 2 , a waterproof speaker, comprising:

[0034] Basin rack 1;

[0035] A vibration component 3, wherein a window is provided in the center of the vibration component 3, and the vibration component 3 is connected to the basin frame 1;

[0036] a voice coil 4, the upper portion of which is inserted into the window, and the voice coil 4 is fixedly connected to the vibration assembly 3;

[0037] A dust cap 5 is connected to the vibration assembly 3 and is disposed corresponding to the voice coil 4. The dust cap 5 is provided with an air vent 51.

[0038] A waterproof and breathable membrane 6 is provided on the dust cap 5 and covers the air leakage hole 51 .

[0039] From the above description, it can be seen that the beneficial effects of the present invention are: the waterproof speaker has a novel structure, an air vent 51 is provided on the dust cap 5, and there is also a waterproof breathable membrane 6 covering the air vent 51, which can effectively balance the air pressure inside and outside the waterproof speaker, so that the waterproof speaker leaves the water surface. After the surface moisture dries, the diaphragm 32 assembly can be quickly reset, which is beneficial to reduce the risk of damage to the diaphragm 32 assembly and extend the service life of the waterproof speaker.

[0040] Furthermore, the inner surface and / or outer surface of the dust cap 5 is provided with the waterproof breathable membrane 6 .

[0041] As can be seen from the above description, the waterproof breathable membrane 6 can be arranged in various ways, which can enrich the diversity of waterproof speakers.

[0042] Furthermore, the air leakage hole 51 is provided on the top of the dust cap 5 .

[0043] As can be seen from the above description, the arrangement of the air vent hole 51 corresponding to the hollow area of the voice coil 4 allows the air vent hole 51 to release air more smoothly, and at the same time, the air pressure on the dust cap 5 can be more balanced.

[0044] Furthermore, the dust cap 5 has a plane portion 52 , and the air leakage hole 51 is provided on the plane portion 52 .

[0045] It can be seen from the above description that the existence of the planar portion 52 can facilitate the installation of the waterproof breathable membrane 6 .

[0046] Furthermore, a flow gap 7 is defined between the top end of the voice coil 4 and the dust cap 5 .

[0047] As can be seen from the above description, the air inside and outside the voice coil 4 can interact through the flow gap 7, so that the air inside and outside the voice coil 4 can be released smoothly.

[0048] Furthermore, the waterproof and breathable membrane 6 is adhesively connected to the dust cap 5 .

[0049] It can be seen from the above description that the connection method between the waterproof and breathable membrane 6 and the dustproof cap 5 is simple and reliable.

[0050] Furthermore, the vibration assembly 3 includes a cone 31 and a diaphragm 32 arranged around the cone 31, the diaphragm 32 is connected to the basin frame 1, the window is arranged in the center of the cone 31, and the dust cap 5 and the voice coil 4 are connected to the cone 31.

[0051] As can be seen from the above description, the cone 31 can enhance the rigidity of the vibration component 3, so that the treble performance of the waterproof speaker is better.

[0052] Furthermore, a damper 8 is included, and the damper 8 connects the lower part of the voice coil 4 and the basin frame 1 .

[0053] From the above description, it can be seen that the spider 8 can support the voice coil 4 , thereby improving the polarization and rolling vibration of the voice coil 4 .

[0054] Furthermore, it also includes a magnetic circuit component 2 with a magnetic gap, the magnetic circuit component 2 is fixedly connected to the basin frame 1, and the lower part of the voice coil 4 extends into the magnetic gap.

[0055] It can be seen from the above description that the magnetic circuit assembly 2 can provide driving force for the voice coil 4 .

[0056] Furthermore, the magnetic circuit assembly 2 includes a magnetic bowl 21 and a central magnetic structure 22 disposed in the magnetic bowl 21 , and the magnetic gap is formed between the peripheral wall 212 of the magnetic bowl 21 and the central magnetic structure 22 .

[0057] It can be seen from the above description that the magnetic circuit assembly 2 has a simple structure and is easy to process and manufacture.

[0058] Example 1

[0059] Please refer to Figure 1 and Figure 2, embodiment 1 of the present utility model is: a waterproof speaker, comprising a basin 1, a magnetic circuit component 2, a vibration component 3, a voice coil 4, a dust cap 5 and a waterproof breathable membrane 6, the magnetic circuit component 2 is fixedly connected to the basin 1, the magnetic circuit component 2 has a magnetic gap, a window is provided in the center of the vibration component 3, and the vibration component 3 is connected to the basin 1; the upper part of the voice coil 4 is passed through the window, the voice coil 4 is fixedly connected to the vibration component 3, and the lower part of the voice coil 4 extends into the magnetic gap; the dust cap 5 is connected to the vibration component 3, the dust cap 5 is arranged corresponding to the voice coil 4, and an air leakage hole 51 is provided on the dust cap 5; the waterproof breathable membrane 6 is provided on the dust cap 5 and covers the air leakage hole 51.

[0060] In this embodiment, the inner surface and outer surface of the dust cap 5 are respectively provided with the waterproof breathable membrane 6. In other embodiments, the dust cap 5 can also be provided with the waterproof breathable membrane 6 only on the inner surface, or the waterproof breathable membrane 6 can be provided on the outer surface. The specific selection can be made as needed.

[0061] The dust cap 5 is a convex structure protruding away from the voice coil 4 . The air leakage hole 51 is provided on the top of the dust cap 5 . At this time, the air leakage hole 51 corresponds to the hollow area of the voice coil 4 .

[0062] To facilitate the installation of the waterproof breathable membrane 6 , the dust cap 5 has a flat surface 52 , and the air leakage hole 51 is provided on the flat surface 52 .

[0063] Preferably, a flow gap 7 is provided between the top end of the voice coil 4 and the dust cap 5 , that is, the top end of the voice coil 4 is not in contact with the dust cap 5 .

[0064] In this embodiment, the waterproof breathable membrane 6 is connected to the dust cap 5 by adhesive bonding. In other embodiments, the waterproof breathable membrane 6 and the dust cap 5 may be connected by other means, such as welding.

[0065] In detail, the vibration assembly 3 includes a cone 31 and a diaphragm 32 arranged around the cone 31, the diaphragm 32 is connected to the basin frame 1, the window is arranged in the center of the cone 31, and the dust cap 5 and the voice coil 4 are connected to the cone 31.

[0066] The magnetic circuit assembly 2 includes a magnetic bowl 21 and a central magnetic structure 22 disposed within the magnetic bowl 21. The magnetic gap is formed between the peripheral wall 212 of the magnetic bowl 21 and the central magnetic structure 22. Specifically, the magnetic bowl 21 includes a bottom plate 211. The edge of the bottom plate 211 bends and extends toward the vibration assembly 3 to form the peripheral wall 212. The peripheral wall 212 is fixedly connected to the basin frame 1. The central magnetic structure 22 is disposed on the bottom plate 211. The central magnetic structure 22 includes a central magnetic steel 221 and a central washer 222. The bottom surface of the central magnetic steel 221 is connected to the bottom plate 211, and the top surface of the central magnetic steel 221 is connected to the central washer 222.

[0067] The waterproof speaker further includes a damper 8, which connects the lower portion of the voice coil 4 and the frame 1. The damper 8 can be made of metal or plastic.

[0068] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the description and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A waterproof speaker, characterized in that: include basin rack; A vibration component, wherein a window is provided in the center of the vibration component and the vibration component is connected to the basin frame; a voice coil, the upper portion of which is inserted into the window, and the voice coil is fixedly connected to the vibration assembly; A dust cap, the dust cap being connected to the vibration assembly, the dust cap being arranged corresponding to the voice coil, and having an air vent hole; A waterproof and breathable membrane is provided on the dustproof cap and covers the air leakage hole.

2. The waterproof speaker according to claim 1, characterized in that The inner surface and / or outer surface of the dust cap is provided with the waterproof and breathable membrane.

3. The waterproof speaker according to claim 1, wherein: The air leakage hole is arranged on the top of the dust cap.

4. The waterproof speaker according to claim 1, wherein: The dust cap has a plane portion, and the air leakage hole is arranged on the plane portion.

5. The waterproof speaker according to claim 1, wherein: A flow gap is provided between the top end of the voice coil and the dust cap.

6. The waterproof speaker according to claim 1, wherein: The waterproof and breathable membrane is adhesively connected to the dustproof cap.

7. The waterproof speaker according to claim 1, characterized in that The vibration assembly includes a cone and a diaphragm arranged around the cone, the diaphragm is connected to the basin frame, the window is arranged in the center of the cone, and the dust cap and the voice coil are connected to the cone.

8. The waterproof speaker according to claim 1, wherein: It also includes a spring, which connects the lower part of the voice coil and the basin frame.

9. The waterproof speaker according to claim 1, wherein: It also includes a magnetic circuit component with a magnetic gap. The magnetic circuit component is fixedly connected to the basin frame, and the lower part of the voice coil extends into the magnetic gap.

10. The waterproof speaker according to claim 9, characterized in that: The magnetic circuit assembly includes a magnetic bowl and a central magnetic structure arranged in the magnetic bowl, and the magnetic gap is formed between the peripheral wall of the magnetic bowl and the central magnetic structure.