Waterproof sound-transmitting loudspeaker panel

Abstract

The utility model relates to the technical field of vehicle-mounted displays, in particular to a waterproof sound-transmitting loudspeaker panel, which comprises a display component, loudspeaker fixing screws, a loudspeaker module, a flange collision bead, a display rear frame, front frame panel fixing screws, a connector, a grounding screw, a PCB (printed circuit board), PCB fixing screws, a rear cover and rear cover fixing screws. The display assembly is connected with the display rear frame through the front frame panel fixing screws, the loudspeaker module is fixed to the inner side of the bottom of the display rear frame through the loudspeaker fixing screws, and the flange collision bead is arranged on the side face of the display rear frame in a clamped mode. The air-permeable membrane can block particles with the minimum diameter of 0.1 micron, allows air to pass smoothly while liquid such as moisture cannot pass, can effectively protect sensitive parts and avoid liquid erosion, and can effectively dissipate heat, prevent the inner wall of a product from fogging and balance the air pressure between inside and outside air.

Description

Technical Field

[0001] This utility model relates to the field of vehicle display technology, and in particular to a waterproof and sound-permeable speaker panel. Background Technology

[0002] Currently, the speaker panel area of ​​the onboard TVs commonly used in rail vehicles is not waterproof, and the requirements for waterproofing are relatively low. With the advancement of technology, customers have increasingly higher requirements for TVs to cope with complex environments.

[0003] Existing in-vehicle TV speaker panels lack waterproof and dustproof features. In harsh weather and complex environments, moisture can penetrate through the speaker holes, causing speaker damage and loss of sound. In more serious cases, it can damage the internal display screen, wiring, PCB circuit board, and cause short circuits, significantly impacting subsequent repairs. Therefore, in-vehicle displays need to be waterproof and dustproof. Utility Model Content

[0004] This utility model addresses the deficiencies in the prior art by providing a waterproof and sound-permeable speaker panel.

[0005] This utility model is achieved through the following technical solution:

[0006] A waterproof and sound-permeable speaker panel includes a display assembly, speaker mounting screws, a speaker module, a flange contact, a rear frame of the display, front frame panel mounting screws, a connector, a grounding screw, a PCB circuit board, PCB mounting screws, a rear cover, and rear cover mounting screws. The display assembly is connected to the rear frame of the display via the front frame panel mounting screws. The speaker module is fixed to the inner bottom of the rear frame of the display via the speaker mounting screws. The flange contact is snapped onto the side of the rear frame of the display. The connector is located on the back of the rear frame of the display. The PCB circuit board is connected to the rear cover via the PCB mounting screws. The rear cover is connected to the display via the rear cover mounting screws. The rear frame is connected, and the grounding screw is located at the top of the rear frame of the display. The display assembly includes a front frame panel, a waterproof and acoustically permeable membrane, a single-sided sponge strip, tempered glass, acrylic double-sided tape, a display module, a display mounting bracket, display fixing screws, and display mounting bracket fixing screws. The waterproof and acoustically permeable membrane is located on the inner bottom of the front frame panel, the single-sided sponge strip is located on the inner side of the front frame panel, the tempered glass is connected to the outer side of the display module through the acrylic double-sided tape, the display mounting bracket is connected to the rear frame of the display through the display mounting bracket fixing screws, and the display module is connected to the display mounting bracket through the display fixing screws.

[0007] In a preferred embodiment of this utility model, a sound-permeable hole is provided on the outer bottom of the front frame panel, on the side of the waterproof and sound-permeable membrane.

[0008] The sound-permeable opening at the bottom of the front frame facilitates sound propagation from the rear speaker assembly.

[0009] In a preferred embodiment of this utility model, the single-sided sponge strip is disposed on the outer edge of one side of the tempered glass;

[0010] The single-sided sponge strip mainly serves to isolate external dust and protect the tempered glass.

[0011] In a preferred embodiment of this utility model, a mounting support foot for a speaker module is fixedly provided on the bottom side of one side of the rear frame of the display, and the mounting position of the speaker module corresponds to the position of the waterproof and sound-permeable membrane.

[0012] In a preferred embodiment of this utility model, the flange ball serves to position and support the front frame panel during installation.

[0013] The beneficial effects of this utility model are:

[0014] This waterproof and sound-permeable speaker panel effectively prevents dust and water damage, blocking particles as small as 0.1 microns. While preventing liquids such as water from passing through, it allows air to pass through smoothly. This effectively protects sensitive components from liquid corrosion, dissipates heat, prevents fogging on the inner wall of the product, and balances the air pressure between the inside and outside. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the waterproof and sound-permeable speaker panel of this utility model;

[0016] Figure 2 This is an exploded structural diagram of the waterproof and sound-permeable speaker panel of this utility model.

[0017] In the diagram: 1. Front frame panel; 2. Waterproof and acoustically permeable membrane; 3. Single-sided sponge strip; 4. Tempered glass; 5. Acrylic double-sided tape; 6. Monitor module; 7. Monitor mounting bracket; 8. Monitor fixing screws; 9. Monitor mounting bracket fixing screws; 10. Speaker fixing screws; 11. Speaker module; 12. Flange contact ball; 13. Monitor rear frame; 14. Front frame panel fixing screws; 15. Connector; 16. Grounding screw; 17. PCB circuit board; 18. PCB fixing screws; 19. Rear cover; 20. Rear cover fixing screws. Detailed Implementation

[0018] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings, so that the advantages and features of this utility model can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of this utility model. The directional terms mentioned in this utility model, such as "up," "down," "front," "back," "left," "right," "top," and "bottom," are only for reference to the accompanying drawings. Therefore, the directional terms used are for the purpose of explaining and understanding this utility model, and not for limiting this utility model.

[0019] like Figure 1-2 The waterproof and sound-permeable speaker panel shown includes a display assembly, speaker mounting screws 10, speaker module 11, flange contact 12, display rear frame 13, front frame panel mounting screws 14, connector 15, grounding screw 16, PCB circuit board 17, PCB mounting screws 18, rear cover 19, and rear cover mounting screws 20. The display assembly is connected to the display rear frame 13 via the front frame panel mounting screws 14. The speaker module 11 is fixed to the bottom inner side of the display rear frame 13 via the speaker mounting screws 10. The flange contact 12 is snapped onto the side of the display rear frame 13. The connector 15 is located on the back of the display rear frame 13. The PCB circuit board 17 is connected to the rear cover 19 via the PCB mounting screws 18. The rear cover 19 is... The back cover fixing screw 20 is connected to the monitor rear frame 13, and the grounding screw 16 is set at the top of the monitor rear frame 13. The monitor assembly includes a front frame panel 1, a waterproof and sound-permeable membrane 2, a single-sided sponge strip 3, tempered glass 4, acrylic double-sided tape 5, a monitor module 6, a monitor mounting bracket 7, monitor fixing screws 8 and monitor mounting bracket fixing screws 9. The waterproof and sound-permeable membrane 2 is set on the bottom inner side of the front frame panel 1, the single-sided sponge strip 3 is set on the inner side of the front frame panel 1, the tempered glass 4 is connected to the outer side of the monitor module 6 through the acrylic double-sided tape 5, the monitor mounting bracket 7 is connected to the monitor rear frame 13 through the monitor mounting bracket fixing screws 9, and the monitor module 6 is connected to the monitor mounting bracket 7 through the monitor fixing screws 8.

[0020] Specifically, a sound-permeable hole is provided on the outer bottom of the front frame panel 1, located on the outside of the waterproof and sound-permeable membrane 2. A single-sided sponge strip 3 is set on the outer edge of the tempered glass 4. A mounting support foot for the speaker module 11 is fixedly provided on the bottom of the rear frame 13 of the display. The mounting position of the speaker module 11 corresponds to the position of the waterproof and sound-permeable membrane 2. The flange ball 12 plays a positioning and support role for the installation of the front frame panel 1.

[0021] In this embodiment, the front frame panel 1 serves as the outer frame of the display, with holes for the speaker module 11 to emit sound. The waterproof and sound-permeable membrane 2 is pasted at the bottom of the front frame panel 1 at the sound-permeable hole, which serves to prevent water and dust while allowing air circulation to transmit the sound generated by the speaker module 11. The single-sided sponge strip 3 can effectively prevent direct contact between the display module 6 and the sheet metal parts, playing a certain buffering role, thus protecting the display module 6 and preventing dust from entering. The tempered glass 4 can effectively protect the display module 6 from external impacts. The acrylic double-sided tape 5 is used as a medium to stick the tempered glass 4 to the display module 6. The display module 6 is an image display module for playing video and image files such as advertising videos. The display mounting bracket 7 is connected to the rear frame 13 of the display through the display mounting bracket fixing screws 9, and the display module 6 is connected to the display mounting bracket 7 through the display fixing screws 8.

[0022] Furthermore, the flange ball 12 serves as a medium for supporting and positioning the front frame panel 1. The speaker module 11 is connected to the mounting support foot on the bottom inner side of the monitor rear frame 13 via the speaker fixing screw 10. The speaker module 11 is located behind the waterproof and sound-permeable membrane 2 to facilitate sound transmission. The front frame panel fixing screw 14 connects the monitor mounting bracket 7 to the monitor rear frame 13. The connector 15 is used for data transmission. The grounding screw 16 is used to protect the equipment and personal safety and prevent electric shock accidents caused by excessive charge on the motor casing. The PCB circuit board 17 is fixed to the back cover 19 via the PCB fixing screw 18. The PCB circuit board 17 helps the TV to achieve multiple functions: signal processing, image processing, sound processing, etc. The back cover 19 fixes the whole machine and has heat dissipation holes on its side to facilitate heat dissipation of the whole machine. The back cover fixing screw 20 installs and fixes the back cover 19 to the monitor rear frame 13.

[0023] It should be noted that the parts not covered in this utility model are the same as or can be implemented using existing technology; the various drives in this utility model can be implemented by corresponding power structures such as cylinders, oil cylinders, electric cylinders, and motors in conjunction with connecting rods, guide rods, etc., and are not limited to the structures described in the specification and the drawings.

[0024] In the description of the embodiments of this utility model, unless otherwise expressly specified and limited, the terms "installed," "connected," "linked," "set up," "equipped with," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A waterproof and sound-permeable speaker panel, comprising a display assembly, speaker mounting screws (10), speaker module (11), flange contact ball (12), display rear frame (13), front frame panel mounting screws (14), connector (15), grounding screw (16), PCB circuit board (17), PCB mounting screws (18), rear cover (19), and rear cover mounting screws (20), characterized in that: The display assembly is connected to the rear frame (13) of the display via the front frame panel fixing screw (14). The speaker module (11) is fixed to the bottom inner side of the rear frame (13) of the display via the speaker fixing screw (10). The flange ball (12) is snapped onto the side of the rear frame (13). The connector (15) is located on the back of the rear frame (13). The PCB circuit board (17) is connected to the rear cover (19) via the PCB fixing screw (18). The rear cover (19) is connected to the rear frame (13) of the display via the rear cover fixing screw (20). The grounding screw (16) is located on the top of the rear frame (13). The display assembly includes a front frame panel (1), a waterproof and acoustically permeable membrane (2), a single-sided sponge strip (3), tempered glass (4), acrylic double-sided tape (5), a display module (6), a display mounting bracket (7), display fixing screws (8), and display mounting bracket fixing screws (9). The waterproof and acoustically permeable membrane (2) is disposed on the inner bottom of the front frame panel (1), the single-sided sponge strip (3) is disposed on the inner side of the front frame panel (1), the tempered glass (4) is connected to the outer side of the display module (6) through the acrylic double-sided tape (5), the display mounting bracket (7) is connected to the rear frame (13) of the display through the display mounting bracket fixing screws (9), and the display module (6) is connected to the display mounting bracket (7) through the display fixing screws (8).

2. The waterproof acoustic speaker panel of claim 1, wherein: The bottom outer side of the front frame panel (1) has a sound-permeable hole on the outside of the waterproof and sound-permeable membrane (2).

3. The waterproof acoustic speaker panel of claim 1, wherein: The single-sided sponge strip (3) is located on the outer edge of one side of the tempered glass (4).

4. The waterproof acoustic speaker panel of claim 1, wherein: The bottom side of the rear frame (13) of the display is fixed with a mounting support foot for the speaker module (11), and the mounting position of the speaker module (11) corresponds to the position of the waterproof sound-permeable membrane (2).

5. The waterproof acoustic speaker panel of claim 1, wherein: The flange ball (12) serves to position and support the front frame panel (1) during installation.

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