Atmosphere lamp structure with light source shared by aperture and surface cover

By adopting an ambient lamp structure with a shared light source between aperture and surface cover in automotive switches, and using light source refraction and reflection of light guides and LED lamps, the problems of complex light source structure and high manufacturing cost in the prior art are solved, and the surface cover characters and aperture are lit at the same time are realized, saving costs.

CN222690330UActive Publication Date: 2025-03-28WENZHOU CHANGJIANG AUTOMOBILE ELECTRONICS SYST
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Patent Information

Application Number
CN202421424551.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-03-28
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The light source structure in existing automotive switches is complex, resulting in high manufacturing costs and a separate light source is required to light up the characters on the cover.

Method used

An ambient lamp structure with a shared light source between the aperture and the surface cover is adopted. By setting a light guide in the shell, including a light guide column and an aperture, the light source of the LED lamp can not only light up the characters on the surface cover, but also light the outer edge of the aperture after being refracted and reflected by the light guide surface.

Benefits of technology

A LED light can light up the cover character and aperture at the same time, without unnecessary light sources, saving costs, and the brightness can be adjusted by adjusting the angle of the arc surface on the light guide surface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an atmosphere lamp structure with a light source shared by an aperture and a surface cover, which comprises a shell, a knob and the surface cover positioned in the knob, light-permeable characters are arranged on the surface cover, a PCB (printed circuit board) and an LED (light-emitting diode) lamp electrically connected with the PCB are arranged in the shell, a light guide body is arranged in the shell and comprises a light guide column and the aperture, the surface cover is embedded in the upper end face of the aperture, and the light-permeable characters are arranged on the surface cover. The LED lamp is arranged in the shell, a sleeve shell is integrally arranged or fixed in the shell, the light guide column is inserted into the sleeve shell and corresponds to the LED lamp, a light guide surface is arranged at the position, corresponding to the character, of the upper end surface of the aperture, and a light source of the LED lamp is refracted and reflected by the light guide surface to lighten the surface cover character and the periphery of the aperture. Redundant light sources are not needed, and cost is saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile electronic appliances, and in particular to an atmosphere lamp structure in which an aperture and a surface cover share a light source. Background Art

[0002] In recent years, as a product for decorating cars and creating atmosphere, ambient lighting has gradually spread from high-end models to mid-range models. It has become a highlight element for embellishing interior decoration. It is usually used on car switches or panels.

[0003] The existing switch includes a shell, a cover for displaying characters, and a light source assembly located in the shell. The light source assembly includes a PCB board and an LED lamp. Usually, one LED lamp can illuminate the characters on the cover. However, the cover is a light-shielding member. When an aperture is set on the outside of the cover, a separate light source is usually required to illuminate it, resulting in a more complicated light source structure in the shell and high manufacturing cost. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art and to provide an atmosphere lamp structure in which an aperture and a cover share a light source.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an atmosphere lamp structure with an aperture and a face cover sharing a light source, comprising a shell, a knob and a face cover located inside the knob, the face cover being provided with light-transmissive characters, the shell being provided with a PCB board and an LED lamp electrically connected to the PCB board, the shell being provided with a light guide, the light guide comprising a light guide column and an aperture, the face cover being embedded in the upper end face of the aperture, a sleeve being integrally arranged or fixed in the shell, the light guide column being inserted into the sleeve and corresponding to the LED lamp, a light guiding surface being provided at the upper end face of the aperture corresponding to the characters, the light source of the LED lamp being refracted and reflected by the light guiding surface to illuminate the face cover characters and the periphery of the aperture.

[0006] By adopting the above technical solution, the cover characters and the aperture can be illuminated simultaneously by one LED lamp, without the need for extra light sources, thus saving costs.

[0007] As a preferred technical solution of the utility model, the light-guiding surface is an arc surface formed by a downward depression in the center of the aperture.

[0008] As a preferred technical solution of the utility model, the angle formed between the two side walls of the arc curved surface is 120°-160°.

[0009] By adopting the above technical solution, the incident angle of the light source can be adjusted by changing the angle between the arc surfaces to adjust the brightness of the cover and the aperture.

[0010] As a preferred technical solution of the utility model, the aperture is provided with a groove for the surface cover to be embedded, and the light-guiding surface is arranged at the center of the groove.

[0011] By adopting the above technical solution, the light guide column, light guide surface and face cover are coaxially arranged, the light source reaches the aperture position through the guide column, and is distributed to the aperture and face cover after refraction and reflection by the light guide surface, so that the face cover characters and the periphery of the aperture can be illuminated at the same time.

[0012] As a preferred technical solution of the utility model, a dimming plate located in the groove is arranged between the surface cover and the aperture, and the dimming plate is coaxially arranged with the light guide surface.

[0013] By adopting the above technical solution, adding a dimming film can change the color of the characters displayed on the cover, which has a guiding role in the subsequent development of similar products. The color changes of the dimming film's own substrate and surface coating will cause changes in the color of the characters displayed.

[0014] As a preferred technical solution of the utility model, double-sided tape is provided between the dimming sheet and the groove.

[0015] As a preferred technical solution of the utility model, an inner shell is integrally formed at the center of the shell, and a mounting hole for inserting the sleeve shell is provided on the inner shell.

[0016] By adopting the above technical solution, a sleeve installation position is provided, and the sleeve only needs to be aligned with the inner shell and inserted.

[0017] As a preferred technical solution of the utility model, the light guide column is a rotating body that is larger at the top and smaller at the bottom, and a plug hole is provided at the center of the housing and the plug hole is adapted to the shape of the light guide column.

[0018] By adopting the above technical solution, the light guide column is installed into the socket from top to bottom, and the housing and the light guide column are tightly matched to avoid looseness.

[0019] As a preferred technical solution of the utility model, the casing is made of light-shielding material.

[0020] By adopting the above technical solution, the light source is prevented from passing through the casing and radiating to the surroundings.

[0021] As a preferred technical solution of the utility model, a rubber sleeve for the light source to pass through is arranged between the PCB board and the housing, or a light-transmitting hole is arranged in the rubber sleeve corresponding to the LED position.

[0022] By adopting the above technical solution, friction between the PCB board and the housing is avoided, thereby extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model;

[0024] Figure 2 It is a cross-sectional view of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the light guide, the cover and the PCB board of the utility model;

[0026] Figure 4 It is a cross-sectional view of the light guide and the cover of the utility model;

[0027] Figure 5 It is a structural schematic diagram of the light guide of the utility model.

[0028] Figure numerals: 1. shell; 2. knob; 3. cover; 4. characters; 5. PCB board; 6. LED lamp; 7. light guide; 8. light guide column; 9. aperture; 10. shell; 11. light guide surface; 12. arc surface; 13. groove; 14. dimming film; 15. double-sided tape; 16. jack; 17. rubber sleeve; 18. inner shell. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0030] The specific embodiments of the present utility model are described below in conjunction with the accompanying drawings.

[0031] like Figures 1 to 5 An atmosphere lamp structure with an aperture and a face cover sharing a light source is shown, comprising a shell 1, a knob 2 and a face cover 3 located inside the knob 2, the face cover 3 being provided with light-transmissive characters 4, the shell 1 being provided with a PCB board 5 and an LED lamp 6 electrically connected to the PCB board 5, the shell 1 being provided with a light guide 7, the light guide 7 comprising a light guide column 8 and an aperture 9, the face cover 3 being embedded in the upper end surface of the aperture 9, a sleeve 10 being integrally arranged or fixed in the shell 1, the light guide column 8 being inserted into the sleeve 10 and corresponding to the LED lamp 6, a light guiding surface 11 being provided on the upper end surface of the aperture 9 corresponding to the characters 4, the light source of the LED lamp 6 being refracted and reflected by the light guiding surface 11 to illuminate the characters 4 on the face cover 3 and the periphery of the aperture 9.

[0032] The characters 4 on the cover 3 and the aperture 9 can be illuminated simultaneously by one LED lamp 6, without requiring an extra light source, thus saving costs.

[0033] The light guiding surface 11 is an arc surface 12 formed by the center of the aperture 9 being concave downward, and the angle formed between the two side walls of the arc surface 12 is 120°-160°, and is preferably 160° in this embodiment.

[0034] The brightness of the cover 3 and the aperture 9 can be adjusted by changing the angle between the arc surfaces 12 and adjusting the incident angle of the light source.

[0035] A groove 13 is provided on the aperture 9 for the face cover 3 to be embedded in, and the light-guiding surface 11 is arranged at the center of the groove 13, so that the light-guiding column 8, the light-guiding surface 11 and the face cover 3 are arranged coaxially. The light source reaches the aperture 9 through the guide column, and is distributed to the aperture 9 and the face cover 3 after refraction and reflection by the light-guiding surface 11, so that the characters 4 on the face cover 3 and the periphery of the aperture 9 can be illuminated at the same time.

[0036] A dimming plate 14 is provided between the cover 3 and the aperture 9 and is located in the groove 13. The dimming plate 14 is coaxially arranged with the light-guiding surface 11. Adding the dimming plate 14 can change the color of the characters 4 displayed on the cover 3, which has a guiding role in the subsequent development of similar products. The color change of the substrate and surface coating of the dimming plate 14 itself will cause the change of the color of the characters displayed.

[0037] In this embodiment, a double-sided tape 15 is provided between the dimming sheet 14 and the groove 13 .

[0038] An inner shell 18 is integrally formed at the center of the shell 1 . The inner shell 18 is provided with a mounting hole for inserting the outer shell 10 , providing an installation position for the outer shell 10 . The outer shell 10 only needs to be aligned with the inner shell 18 and inserted.

[0039] The light guide column 8 is a rotating body with a larger upper part and a smaller lower part. A plug hole 16 is provided at the center of the housing 10 and the plug hole 16 matches the shape of the light guide column 8. When installing, the light guide column 8 is inserted into the plug hole 16 from top to bottom, and the housing 10 and the light guide column 8 are tightly fitted to avoid looseness.

[0040] The casing 10 is made of a light shielding material to prevent the light source from passing through the casing 10 and radiating to the surroundings.

[0041] A rubber sleeve 17 is provided between the PCB board 5 and the housing 1 for the light source to pass through, or a light-transmitting hole is provided at the rubber sleeve 17 corresponding to the position of the LED, so as to avoid friction between the PCB board 5 and the housing 1 and extend the service life.

[0042] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An ambient light structure in which an aperture and a cover share a light source, comprising a housing (1), a knob (2), and a cover (3) located inside the knob (2), wherein the cover (3) is provided with light-transmissive characters (4), and a PCB board (5) and an LED lamp (6) electrically connected to the PCB board (5) are arranged inside the housing (1), characterized in that: A light guide (7) is provided in the housing (1), the light guide (7) comprising a light guide column (8) and an aperture (9), the surface cover (3) is embedded in the upper end surface of the aperture (9), a sleeve (10) is integrally arranged or fixed in the housing (1), the light guide column (8) is inserted into the sleeve (10) and the light guide column (8) corresponds to the LED lamp (6), a light guide surface (11) is provided at the upper end surface of the aperture (9) corresponding to the character (4), and the light source of the LED lamp (6) is refracted and reflected by the light guide surface (11) to illuminate the characters (4) of the surface cover (3) and the periphery of the aperture (9).

2. The ambient light structure with a common light source for the aperture and the cover according to claim 1, characterized in that: The light-guiding surface (11) is an arc-shaped curved surface (12) formed by the center of the aperture (9) being concave downward.

3. The ambient light structure with a common light source for the aperture and the cover according to claim 2, characterized in that: The angle formed between the two side walls of the arc surface (12) is 120°-160°.

4. The atmosphere lamp structure with a common light source for the aperture and the cover according to any one of claims 1 to 3, characterized in that: The aperture (9) is provided with a groove (13) for the surface cover (3) to be embedded, and the light-guiding surface (11) is arranged at the center of the groove (13).

5. The ambient light structure with a common light source for the aperture and the cover according to claim 4, characterized in that: A dimming plate (14) located in the groove (13) is arranged between the surface cover (3) and the aperture (9), and the dimming plate (14) is coaxially arranged with the light guide surface (11).

6. The ambient light structure with a common light source for the aperture and the cover according to claim 5, characterized in that: A double-sided adhesive tape (15) is provided between the dimming plate (14) and the groove (13).

7. The ambient light structure with the aperture (9) and the cover (3) sharing a light source according to claim 1, characterized in that: An inner shell (18) is integrally formed at the center of the shell (1), and a mounting hole for inserting the sleeve shell (10) is provided on the inner shell (18).

8. The ambient light structure with a common light source for the aperture and the cover according to claim 1 or 7, characterized in that: The light guide column (8) is a rotating body that is larger at the top and smaller at the bottom. A plug hole (16) is provided at the center of the casing (10), and the plug hole (16) is adapted in shape to the light guide column (8).

9. The ambient light structure with a common light source for the aperture and the cover according to claim 1, characterized in that: The casing (10) is made of light-shielding material.

10. The ambient light structure with a common light source for the aperture and the cover according to claim 1, characterized in that: A rubber sleeve (17) through which the light source can pass is provided between the PCB board (5) and the housing (1), or a light-transmitting hole is provided in the rubber sleeve (17) corresponding to the position of the LED.