Anti-interference waterproof sound box

By using plastic shells, closed trace channels, metal braided shielding lines and partition layout designs in waterproof audio, the problems of signal interference and sound quality are solved, and higher waterproof and aesthetics are achieved, and silicone protective sleeves are used. Provides shock absorption.

CN222356506UActive Publication Date: 2025-01-14惠州市嘉圣德电子有限公司
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Patent Information

Application Number
CN202420963995.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2025-01-14
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

Waterproof audio is susceptible to signal interference and sound quality reduction during use, mainly due to external interference and mutual interference between internal components.

Method used

A waterproof audio that is anti-interference is designed, adopts a plastic shell structure, with a closed wiring channel and an isolated installation area inside, the power line and signal line are respectively located at the rear of the shell structure, and are connected by metal braided shielding wires. The filter and control circuit board adopt a partition layout, and a metal shield and a waterproof and breathable membrane are provided on the shell structure.

Benefits of technology

It effectively reduces interference between parts, improves sound quality, ensures the waterproof effect and aesthetics of the speaker, and provides shock absorption and waterproof functions through silicone protective cover.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sound equipment, in particular to an anti-interference waterproof sound equipment, which comprises a shell structure and a sound equipment assembly, the shell structure is a plastic shell to ensure waterproofness, two sides of the shell structure are respectively provided with a closed wiring channel, and correspondingly, interfaces of a power line and a signal line are respectively arranged on two sides of the rear part of the shell structure. The sound assembly comprises a control circuit board and a loudspeaker, the control circuit board is arranged in the middle of the shell structure, the two ends of the control circuit board are connected with the power line interface and the signal line interface respectively, and the signal line and the power line are both metal braided shielding lines. The power line and the signal line are both connected with filters, the control circuit board is arranged in a partitioned mode, high-noise components are arranged in independent partitions, metal shielding covers are arranged on the partitions so as to reduce electromagnetic radiation and interference, and therefore an isolation installation area is correspondingly arranged in the shell structure, the isolation effect is achieved, and the waterproof effect can also be achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of audio, in particular to a waterproof audio system with anti-interference function. Background Art

[0002] With the development of science and technology and the improvement of people's living standards, waterproof speakers have gradually attracted the attention and love of consumers. Waterproof speakers can be used in humid or splashing environments such as bathrooms, beaches, swimming pools, and outdoors, bringing convenience and fun to users. However, in actual use, waterproof speakers often face problems such as signal interference and reduced sound quality. On the one hand, there is external interference, and on the other hand, there is mutual interference inside the speakers. The layout inside the speakers is relatively scattered, and the signals are easily interfered by other components, affecting the sound effect.

[0003] Therefore, it is necessary to design a waterproof speaker with strong anti-interference ability. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a waterproof speaker with anti-interference, which not only makes the speaker have a better waterproof effect, but also has beautiful appearance and a regular internal layout, thus avoiding interference between components and ensuring sound quality.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A waterproof audio system with anti-interference function comprises a shell structure and an audio system component, wherein the shell structure is a plastic shell to ensure waterproofing, and closed wiring channels are respectively provided on both sides of the shell structure, and a plurality of interfaces are provided at the rear of the shell structure, wherein the interfaces comprise a power line interface and a signal line interface, and the power line interface and the signal line interface are respectively provided on both sides of the rear of the shell structure to isolate the power line from the signal line, and the inner sides of the power line interface and the signal line interface are coated with silicone, and the audio system component comprises a control circuit board and a speaker, wherein the control circuit board is provided at the rear middle of the shell structure, and the two sides of the control circuit board are respectively connected to the power line interface and the signal line interface, and the speaker is provided at the middle of the front side of the shell structure, and the signal line and the power line are both metal braided shielded wires, and filters are connected to the power line and the signal line, and the control circuit board is arranged in a partitioned layout, and an isolation installation area is correspondingly provided inside the shell structure.

[0007] Optionally, in an embodiment of the utility model, a bandpass filter is connected to the power line, and a signal filter is connected to the signal line to reduce electromagnetic interference.

[0008] Optionally, in an embodiment of the present invention, two ends of the wiring channel are respectively connected to the interface position of the power line or the signal line and the isolation installation area.

[0009] Optionally, in one embodiment of the utility model, an isolation installation area conforming to the circuit board is provided on the upper portion of the shell structure, the control circuit board is an I-shaped structure, and the rear portion of the control circuit board is an isolation area for installing high-noise components.

[0010] Optionally, in an embodiment of the present invention, the shielding layer of the metal braided shielding wire is a copper wire braided layer.

[0011] Optionally, in an embodiment of the utility model, the shell structure is provided with an exhaust hole, and a waterproof breathable membrane is provided on the exhaust hole.

[0012] Optionally, in an embodiment of the utility model, the exterior of the shell structure is covered with a layer of silicone protective cover, and the edge of the silicone protective cover located at the bottom of the speaker is provided with conical supporting feet for waterproofing and shock-absorbing the speaker.

[0013] Optionally, in an embodiment of the utility model, the shell structure includes a face shell located at the front side and a main shell, and the main shell is an integrated structure, and the main shell includes a rear side and four side surfaces of the upper, lower, left and right sides of the shell structure.

[0014] Optionally, in one embodiment of the utility model, a plurality of connection holes are provided on the rear edge of the main shell body for installing screws to connect the face shell.

[0015] Optionally, in an embodiment of the utility model, the device further includes a rechargeable battery, and the rechargeable battery is provided with a waterproof installation area.

[0016] Beneficial effects of the utility model

[0017] The utility model discloses a waterproof speaker with anti-interference function, with a reasonable internal structure distribution design, main components are provided with separate wiring channels and installation areas to reduce interference between components, interface positions are arranged on both sides to reduce interference, power lines and signal lines are connected with filters, and metal braided shielding lines are adopted to reduce interference and improve sound effects, the control circuit board adopts a partitioned layout, high-noise components are separately arranged in a partition, and a metal shielding cover is provided to reduce interference to the circuit, the whole speaker has a high degree of integration, fewer seams, more beautiful appearance and better waterproof effect, the outside of the speaker shell is coated with a layer of silicone, which can play a role of shock absorption and waterproofing, and has a better hand-held touch. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0019] Figure 1 This is a schematic diagram of the internal structure of the speaker in Example 1 of the utility model;

[0020] Figure 2 This is a schematic side view of the shell structure of Embodiment 1 of the utility model;

[0021] Figure 3 This is a top view schematic diagram of the control circuit board layout of Example 1 of the utility model;

[0022] Explanation of the reference numerals: main shell 1, isolation installation area 101, slot 1011, wiring channel 102, waterproof grid 103, circular mark 105, rectangular mark 106, connection hole 107, cover fixing hole 108, protective cover 2, conical support foot 201, control circuit board 3, metal shielding cover 303, button 301, face shell 4, mesh cover 401, installation hole 4011, installation plate 402, limit portion 4021, signal line interface 5, power line interface 6, speaker 7. DETAILED DESCRIPTION

[0023] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments. Example

[0024] Ordinary audio interfaces are easy to loosen. In order to improve the connection stability of the audio interface, a waterproof speaker with anti-interference is designed. The specific solution is as follows:

[0025] like Figure 1 As shown, a waterproof audio system with anti-interference function includes a shell structure and an audio component. The shell structure is a plastic shell to ensure waterproofness. Closed wiring channels 102 are respectively provided on both sides of the shell structure. A plurality of interfaces are provided at the rear of the shell structure. The interfaces include a power line interface 6 and a signal line interface 5. The power line interface 6 and the signal line interface 5 are respectively provided on both sides of the rear of the shell structure to isolate the power line from the signal line. The inner sides of the power line interface 6 and the signal line interface 5 are coated with silicone. The audio component includes a control circuit board 3 and a speaker 7. The control circuit board 3 is provided at the rear middle of the shell structure. Both sides of the control circuit board are connected to the power line interface 6 and the signal line interface 5 respectively. The speaker 7 is provided in the middle of the front side of the shell structure. Both the signal line and the power line are metal braided shielded wires. Both the power line and the signal line are connected with filters. The control circuit board 3 is arranged in a partitioned layout, and an isolation installation area 101 is correspondingly provided inside the shell structure.

[0026] The multiple interfaces also include a USB interface, an AUX interface, etc. A separate waterproof grid 103 is provided on the inner side of the shell structure of all interfaces, and the waterproof grid 103 is connected to the wiring channel 102.

[0027] A bandpass filter is connected to the power line and a signal filter is connected to the signal line to reduce electromagnetic interference.

[0028] Specifically, a high-pass filter and a low-pass filter are connected in series on the power line to reduce high- and low-frequency interference.

[0029] The two ends of the wiring channel 102 are respectively connected to the interface position of the power line or the signal line and the isolation installation area 101. The wiring channel 102, the isolation installation area 101 and the waterproof grid 103 are all provided with a detachable cover on the front side. The edges of the wiring channel 102, the isolation installation area 101 and the waterproof grid 103 are all provided with cover fixing holes 108. A slot 1011 is provided in the isolation installation area 101. The inner wall of the slot 1011 and the inner wall of the isolation installation area 101 are both provided with a buffer layer to prevent vibration from affecting the control circuit board 3 and the sound effect. The control circuit board 3 is installed in the isolation installation area 101 by insertion. The cover of the isolation installation area 101 is also provided with a U-shaped limiting portion 4021. After the control circuit board 3 is inserted, the cover can be closed to limit the front edge of the control circuit board 3 to ensure that the control circuit board 3 is firmly installed inside and is convenient for disassembly. The edges of the cover are provided with sealant, which can play a waterproof role after being covered. In addition, the cover is located inside the shell structure, which is more beautiful and the electronic components in the audio are safer.

[0030] An isolation installation area 101 conforming to the circuit board is provided on the upper part of the shell structure. The control circuit board 3 is an I-shaped structure. The rear part of the control circuit board 3 is an isolation area for installing high-noise components.

[0031] The front of the control circuit board 3 is used to install components such as buttons 301 and Bluetooth antennas. The Bluetooth antenna can be installed in the vacant areas before and after the control circuit board 3. The button 301 of the audio is arranged on the top of the audio. A corresponding button 301 avoidance hole is opened on the top of the shell structure. The avoidance hole is filled with a waterproof rubber plug to play a waterproof and transmission role, so that the finger pressing action is transmitted to the button 301 below. The rear of the control circuit board 3 is used to install components such as transformers and amplifiers to keep high-noise components away from other components and reduce interference. The rear of the control circuit board 3 is provided with multiple metal shielding covers 303 for shielding multiple components, and each metal shielding cover 303 is grounded.

[0032] The shielding layer of the metallic braided shield cable is a copper wire braid.

[0033] The shell structure is provided with an exhaust hole, and a waterproof breathable membrane is set on the exhaust hole. A circular mark 105 is respectively divided on the left and right sides of the rear inner wall of the main shell 1, corresponding to the position of the exhaust hole on the surface shell 4. A rectangular mark 106 is also divided in the middle of the rear inner wall of the main shell 1, corresponding to the speaker 7 installed on the surface shell 4.

[0034] The outside of the shell structure is covered with a layer of silicone protective cover 2, and the edge of the silicone protective cover 2 located at the bottom of the speaker is provided with a conical support foot 201 for waterproofing and shock absorption of the speaker.

[0035] A sealing portion is extended from the front edge of the silicone protective cover 2 toward the position of the face shell 4. When the face shell 4 is installed, the edge of the face shell 4 can press the sealing portion against the joint between the face shell 4 and the main interface to achieve waterproofing of the front shell.

[0036] The shell structure includes a front shell 4 and a main shell 1. The main shell 1 is an integrated structure. The main shell 1 includes a rear side and four side surfaces of the shell structure: top, bottom, left and right.

[0037] Specifically, the parts where the surfaces of the main housing 1 meet are rounded to make the housing more rounded and beautiful. The rear edge of the main housing 1 is provided with a plurality of connection holes 107 for installing screws to connect the face housing 4. The connection holes 107 are countersunk structures. The connection holes 107 are built with removable rubber plugs to waterproof the screw parts and prevent the screws from rusting, and to make the speaker more beautiful. The rubber plugs are flush with the rear side of the main housing 1. The face housing 4 includes a mounting plate 402 and a mesh cover 401. The inner edge of the mesh cover 401 is provided with a plurality of rear-opened mounting holes 4011. The edge of the mounting plate 402 is provided with a plurality of docking holes matching the mounting holes 4011. The fixing screws are installed from the rear side of the main housing 1, and the front ends of the screws are connected to the mounting holes 4011.

[0038] The waterproof speaker of the present invention has a neatly distributed internal structure, and a separate waterproof structure is provided for the main components such as the wires, circuit boards, and interfaces, which can not only play a waterproof role, but also reduce interference between components. The interface positions of the power line and the signal line are arranged on both sides of the shell structure to reduce interference, and the power line and the signal line are connected with a filter, and a metal braided shielding line is used to further reduce interference and improve the sound effect. The control circuit board 3 adopts a partitioned layout, specifically an I-shaped structure. High-noise components are separately arranged at the rear, and a metal shielding cover 303 is provided to reduce interference to the circuit and improve the sound effect. The entire speaker has a high degree of integration, fewer seams, more beautiful appearance and better waterproof effect. The outside of the speaker shell is coated with a layer of silicone, which can play a shock-absorbing and waterproof role, and has a better hand-held touch. Example

[0039] In this embodiment, the structure of the audio system is basically the same as that of Embodiment 1, except that the audio system also includes a rechargeable battery, the rechargeable battery is provided with a waterproof installation area, the rechargeable battery is electrically connected to the control circuit board 3, and the wires are routed through the routing channel 102 on one side of the power cord interface 6.

[0040] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A waterproof speaker with anti-interference function, characterized in that: It includes a shell structure and an audio component. The shell structure is a plastic shell to ensure waterproofness. Closed wiring channels are respectively provided on both sides of the shell structure. A plurality of interfaces are provided at the rear of the shell structure. The interfaces include a power line interface and a signal line interface. The power line interface and the signal line interface are respectively arranged on both sides of the rear of the shell structure for isolating the power line and the signal line. The inner sides of the power line interface and the signal line interface are coated with silicone. The audio component includes a control circuit board and a speaker. The control circuit board is arranged at the rear middle of the shell structure. Both sides of the control circuit board are respectively connected to the power line interface and the signal line interface. The speaker is arranged in the middle of the front side of the shell structure. Both the signal line and the power line are metal braided shielded wires. Both the power line and the signal line are connected with filters. The control circuit board is partitioned, and an isolation installation area is correspondingly arranged inside the shell structure.

2. The anti-interference waterproof speaker according to claim 1, characterized in that: The power line is connected with a bandpass filter, and the signal line is connected with a signal filter to reduce electromagnetic interference.

3. The anti-interference waterproof speaker according to claim 1, characterized in that: Both ends of the wiring channel are respectively connected to the interface position of the power line or the signal line and the isolation installation area.

4. The anti-interference waterproof speaker according to claim 1, characterized in that: An isolation installation area conforming to the circuit board is provided on the upper part of the shell structure. The control circuit board is an I-shaped structure. The rear part of the control circuit board is an isolation area for installing high-noise components.

5. The anti-interference waterproof speaker according to claim 1, characterized in that: The shielding layer of the metal braided shielding wire is a copper wire braided layer.

6. The anti-interference waterproof speaker according to claim 1, characterized in that: The shell structure is provided with an exhaust hole, and a waterproof breathable membrane is provided on the exhaust hole.

7. The anti-interference waterproof speaker according to claim 1, characterized in that: The outside of the shell structure is covered with a layer of silicone protective cover, and the edge of the silicone protective cover located at the bottom of the speaker is provided with conical supporting feet for waterproofing and shock-absorbing the speaker.

8. The anti-interference waterproof speaker according to claim 1, characterized in that: The shell structure includes a front shell and a main shell. The main shell is an integrated structure. The main shell includes a rear side and four side surfaces of the shell structure: top, bottom, left and right.

9. The waterproof speaker with anti-interference function according to claim 8, characterized in that: The rear edge of the main shell is provided with a plurality of connection holes for installing screws to connect the face shell.

10. The anti-interference waterproof speaker according to claim 1, characterized in that: Also included is a rechargeable battery having a waterproof mounting area.