Waterproof low-noise combination switch

By using flexible polyester film and soundproof cotton materials in the combined switch, the moisture intrusion and noise problems are solved, and the waterproof and low noise effect is achieved, improving the waterproof performance of the switch and the quietness of the cockpit.

CN223140613UActive Publication Date: 2025-07-22ZHEJIANG WENYEYANG AUTOMOTIVE ELECTRONICS CO LTD
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Patent Information

Application Number
CN202421674629.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-07-22
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

Existing combined switches are susceptible to moisture intrusion and circuit damage, and switch operation noise affects the quiet cockpit environment.

Method used

Flexible polyester film is used as the waterproof layer and soundproof cotton material as the soundproof layer, combining the use of metal shrapnel and polyurethane glue to ensure waterproof performance and reduce noise.

Benefits of technology

It significantly improves the waterproof performance of the switch assembly, reduces the switching operation noise, and improves riding comfort.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223140613U_ABST
Patent Text Reader

Abstract

The utility model discloses a waterproof low-noise combination switch, comprising a panel layer, the surface of the panel layer is provided with a plurality of buttons, the bottom of the panel layer is connected with a sound insulation layer through a panel glue layer, a pressing sheet layer is arranged below the sound insulation layer, the bottom of the pressing sheet layer is provided with a circuit layer, and the circuit layer is connected with the panel glue layer. The bottom of the circuit layer is provided with a waterproof layer, and the bottom of the waterproof layer is provided with a substrate layer. According to the waterproof low-noise combination switch provided by the utility model, the flexible polyester film is adopted as the waterproof layer, so that the waterproof performance of the switch assembly is remarkably improved, the switch assembly can adapt to humid or watery environmental conditions, and circuit damage caused by moisture intrusion is effectively prevented. And secondly, the sound insulation layer is made of a sound insulation cotton material, so that noise generated during switching operation is effectively reduced, a quieter environment is provided for a cockpit, and the riding comfort is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of combination switches, and particularly relates to a waterproof and low-noise combination switch. Background Technique

[0002] With the development of automotive technology, the central control panel has become an indispensable part of modern vehicle interiors, integrating various control functions such as audio systems, navigation, air conditioning control, and vehicle information display. These functions are usually operated through a combination switch assembly on the central control panel, which requires the switch to have not only precise control performance but also a good user experience. However, the existing technology is often exposed to contact by drivers and passengers, as well as possible accidental splashing of water, and is prone to circuit damage or function failure due to water intrusion. Secondly, the noise generated during switch operation may affect the quiet environment in the cockpit, especially in situations where concentrated driving is required.

[0003] Based on the above situation, the utility model proposes a waterproof and low-noise combination switch, which can effectively solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a waterproof and low-noise combination switch. A waterproof and low-noise combination switch provided by the utility model significantly improves the waterproof performance of the switch assembly by using a flexible polyester film as the waterproof layer, enabling it to adapt to humid or water-rich environmental conditions and effectively preventing circuit damage caused by water intrusion. Secondly, by using a sound-absorbing cotton material as the sound-insulating layer, the noise generated during switch operation is effectively reduced, providing a quieter environment for the cockpit and improving riding comfort.

[0005] The utility model is realized through the following technical solutions:

[0006] A waterproof and low-noise combination switch includes a panel layer, on the surface of which there are a plurality of buttons. The bottom of the panel layer is connected to a sound-insulating layer through a panel adhesive layer. Below the sound-insulating layer is a pressing sheet layer, and at the bottom of the pressing sheet layer is a circuit layer. At the bottom of the circuit layer is a waterproof layer, and at the bottom of the waterproof layer is a base layer.

[0007] According to the above technical solution, as a further preferred technical solution of the above technical solution, the pressing sheet layer includes an insulating board, the insulating board is provided with a plurality of through holes, and metal elastic sheets are installed in the through holes. The metal elastic sheets are in an arched shape.

[0008] According to the above technical solution, as a further preferred technical solution of the above technical solution, the material of the sound-insulating layer is sound-absorbing cotton.

[0009] According to the above technical solution, as a further preferred technical solution of the above technical solution, the waterproof layer is a flexible polyester film.

[0010] According to the above technical solution, as a further preferred technical solution of the above technical solution, the material of the panel adhesive layer is polyurethane glue.

[0011] According to the above technical solution, as a further preferred technical solution of the above technical solution, the material of the insulating board is polyimide.

[0012] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0013] A waterproof and low-noise combined switch provided by the present invention, by using a flexible polyester film as the waterproof layer, significantly improves the waterproof performance of the switch assembly, enabling it to adapt to humid or water-rich environmental conditions, and effectively preventing circuit damage caused by water intrusion. Secondly, by using a sound insulation cotton material as the sound insulation layer, the noise generated during switch operation is effectively reduced, providing a quieter environment for the cockpit and improving the riding comfort. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention. Detailed Embodiments

[0015] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the preferred implementation solutions of the present invention will be described below in conjunction with specific embodiments. However, it should be understood that the drawings are only for illustrative purposes and cannot be construed as a limitation of this patent; for better illustrating this embodiment, some components in the drawings will be omitted, enlarged or reduced, and do not represent the actual size of the product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationships described in the drawings are only for illustrative purposes and cannot be construed as a limitation of this patent.

[0016] A waterproof and low-noise combined switch includes a panel layer 1, a plurality of buttons 2 are arranged on the surface of the panel layer 1, the bottom of the panel layer 1 is connected to a sound insulation layer 4 through a panel adhesive layer 3, a pressing sheet layer 5 is arranged below the sound insulation layer 4, a circuit layer 6 is arranged at the bottom of the pressing sheet layer 5, a waterproof layer 7 is arranged at the bottom of the circuit layer 6, and a base layer 8 is arranged at the bottom of the waterproof layer 7.

[0017] Further, in another embodiment, the pressing sheet layer 5 includes an insulating board 51, the insulating board 51 is provided with a plurality of through holes 52, and metal elastic sheets 53 are installed in the through holes 52, and the metal elastic sheets 53 are in an arched shape.

[0018] By using the metal shrapnel 53 as the switch contact, which is responsible for establishing or disconnecting the conductive connection of the circuit when the switch is pressed, it ensures that signals or currents can be transmitted quickly and accurately, while the insulating plate 51 can prevent the metal shrapnel 3 from accidentally touching.

[0019] Furthermore, in another embodiment, the sound insulation layer 4 is made of sound insulation cotton.

[0020] By using sound insulation cotton as the material of the sound insulation layer 4, due to its good sound absorption performance, it effectively reduces the noise generated during switch operation, providing a quieter driving environment for the driver.

[0021] Furthermore, in another embodiment, the waterproof layer 7 is a flexible polyester film.

[0022] By using the flexible polyester film as the waterproof layer 7, it not only provides excellent waterproof performance, but also due to its flexibility, it can adapt to circuit layers of various shapes, ensuring the overall waterproof sealing of the switch assembly.

[0023] Furthermore, in another embodiment, the material of the panel adhesive layer 3 is polyurethane glue.

[0024] By using polyurethane glue as the material of the panel adhesive layer 3, due to its high viscosity and weather resistance, it ensures a firm connection between the panel layer 1 and the sound insulation layer 4.

[0025] Furthermore, in another embodiment, the material of the insulating plate 51 is polyimide.

[0026] By using polyimide as the material of the insulating plate, it has good insulation performance, thus preventing the metal shrapnel 53 from accidentally touching.

[0027] According to the description and drawings of the present utility model, those skilled in the art can easily manufacture or use a waterproof and low-noise combination switch of the present utility model and can achieve the positive effects recorded in the present utility model.

[0028] Unless otherwise specified, in this utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing this utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms used to describe the orientation or positional relationship in this utility model are only for exemplary illustration and should not be construed as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood by combining the drawings and according to the specific circumstances.

[0029] Unless otherwise clearly defined and limited, in this utility model, if there are terms such as "arranged", "connected" and "coupled", they should be understood in a broad sense. For example, it can be an arrangement, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0030] The above are only the preferred embodiments of this utility model and do not impose any form of limitation on this utility model. Any simple modifications and equivalent changes made to the above embodiments based on the technical essence of this utility model all fall within the protection scope of this utility model.

Claims

1. A waterproof and low-noise combined switch, characterized in that: It includes a panel layer (1), on the surface of which there are provided a plurality of buttons (2). The bottom of the panel layer (1) is connected to a sound insulation layer (4) through a panel adhesive layer (3). Below the sound insulation layer (4) there is provided a pressing sheet layer (5). At the bottom of the pressing sheet layer (5) there is provided a circuit layer (6). At the bottom of the circuit layer (6) there is provided a waterproof layer (7). At the bottom of the waterproof layer (7) there is provided a base layer (8).

2. The waterproof and low-noise combined switch according to claim 1, characterized in that: The pressing sheet layer (5) includes an insulating board (51). The insulating board (51) is provided with a plurality of through holes (52). Inside the through holes (52) there are installed metal elastic sheets (53). The metal elastic sheets (53) are arched in shape.

3. A waterproof and low-noise combined switch according to claim 1, characterized in that: The material of the sound insulation layer (4) is sound insulation cotton.

4. The waterproof and low-noise combined switch according to claim 1, wherein: The waterproof layer (7) is a flexible polyester film.

5. The waterproof and low-noise combined switch according to claim 1, characterized in that: The material of the panel adhesive layer (3) is polyurethane glue.

6. The waterproof and low-noise combined switch according to claim 2, characterized in that: The material of the insulating board (51) is polyimide.