An automatically adjustable automotive interior light

Abstract

This invention provides an automatically adjustable vehicle interior light, solving the problem that existing vehicle interior lights cannot achieve automatic adjustment. The automatically adjustable vehicle interior light includes a shell with an internal cavity, a transparent light-emitting area on the shell, a rotating housing rotatably mounted within the cavity, a light guide embedded in the rotating housing facing the light-emitting area, and a light source positioned opposite the light guide at one end. A drive structure for rotating the rotating housing is also provided within the shell. Through this rotating structure design, the light direction and angle are automatically adjusted, expanding the light coverage area and improving lighting flexibility and scene adaptability. It supports multiple interactive methods such as voice commands, touch operation, and scene mode linkage, reducing user operation steps, improving ease of use and intelligent experience, and meeting users' needs for personalized and automated lighting in different driving scenarios.

Description

Technical Field

[0001] This utility model belongs to the field of automotive electronic lighting technology, and relates to an automatically adjustable automotive interior light. Background Technology

[0002] As one of the core functional components and interaction nodes of automotive interiors, automotive interior lights not only bear the core responsibility of providing basic lighting and local supplementary lighting for the cabin, but are also gradually becoming a key element in enhancing the driving experience and reflecting the level of intelligence of the interior. Their performance directly affects the ease of use, visual comfort and cabin atmosphere for drivers and passengers.

[0003] Current mainstream automotive interior lights generally suffer from design limitations, making it difficult to meet diverse lighting needs. Specifically, existing automotive interior lights mainly have the following drawbacks: 1. Fixed illumination area, resulting in poor scene adaptability; 2. A few automotive interior lights with adjustment functions still rely on manual adjustment, which is an outdated and inconvenient operation method. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing an automatically adjustable vehicle interior light.

[0005] The objective of this utility model can be achieved through the following technical solutions:

[0006] An automatically adjustable automotive interior light includes a housing with an internal cavity, the housing having a transparent light-emitting area, a rotating shell rotatably disposed within the cavity, a light guide embedded in the rotating shell facing the light-emitting area, one end of the light guide extending into the rotating shell away from the light-emitting area, a light source disposed inside the rotating shell opposite to the light guide, and a drive structure for driving the rotating shell to rotate within the housing.

[0007] Both the outer shell and the rotating housing are made of opaque materials, while the light-emitting area is made of translucent material. The light emitted by the light source is guided to the light-emitting area by a light guide and then passes through the light-emitting area. The rotating housing can be automatically rotated by a drive structure, thereby changing the direction of the light guide to adjust the illumination area.

[0008] In the aforementioned automatically adjustable automotive interior light, the drive structure includes a first motor fixed in a cavity, an output shaft on the first motor, the extension direction of the output shaft being perpendicular to the light guiding direction of the light guide, and the rotating housing fixed on the output shaft.

[0009] When the first motor is working, it can drive the output shaft and the rotating housing to swing back and forth within a small angle range. When the rotating housing swings, the light guide is always facing the light output area.

[0010] In the aforementioned automatically adjustable automotive interior light, the rotating housing is provided with a connecting part, the connecting part has a through hole for the output shaft to pass through, the output shaft has a limiting step, the end of the output shaft has a threaded hole, a screw is threaded into the threaded hole, and the connecting part is limited between the head of the screw and the limiting step.

[0011] During installation, the output shaft is inserted into the through hole, and then the screw is connected to the threaded hole. As the screw is screwed in, the connecting part is pressed against the limiting step by the head of the screw, thereby realizing the quick installation of the rotating housing onto the output shaft of the first motor.

[0012] In the aforementioned automatically adjustable automotive interior light, the output shaft is provided with a first circumferential limiting surface, and the through hole has a second circumferential limiting surface that fits against the first circumferential limiting surface. The first circumferential limiting surface is parallel to the axis of the output shaft, and the circumferential position of the output shaft and the connecting part is limited by the fit between the first and second circumferential limiting surfaces.

[0013] In the aforementioned automatically adjustable vehicle interior light, the rotating housing includes an upper housing and a lower housing that are interlocked with each other, the light guide is inserted into the lower housing, the light source is disposed in the upper housing, and the connecting part is disposed on the upper housing.

[0014] Because the upper and lower shells are interlocked, it is convenient to install internal components such as light sources and light guides. After installation, the upper and lower shells can be locked together with bolts.

[0015] In the aforementioned automatically adjustable automotive interior light, the inner surface of the light-emitting area is a sphere, and the outer surface of the rotating housing facing the light-emitting area is also a sphere. The two spheres are concentrically arranged, and the centerline of the output shaft passes through the center of the sphere.

[0016] The light guide is inserted through the center of the spherical surface of the rotating housing.

[0017] In the aforementioned automatically adjustable automotive interior light, a PCB board is provided inside the rotating housing, and the light source is a plurality of LEDs disposed on the PCB board.

[0018] In the aforementioned automatically adjustable automotive interior light, a control circuit board is provided inside the cavity. The first signal output terminal of the control circuit board is connected to the signal input terminal of the first motor, and the second signal output terminal of the control circuit board is connected to the signal input terminal of the light source.

[0019] The aforementioned automatically adjustable vehicle interior light also includes an auxiliary housing with a light-transmitting area. The outer housing is disposed inside the auxiliary housing, and the light-emitting area of ​​the outer housing is opposite to the light-transmitting area of ​​the auxiliary housing. The auxiliary housing is provided with a second motor whose rotating shaft is perpendicular to the output shaft of the first motor, and the outer housing is fixed on the rotating shaft of the second motor.

[0020] Compared with existing technologies, this automatically adjustable automotive interior light has the following advantages:

[0021] Through its rotating structure design, the system automatically adjusts the direction and angle of illumination, expanding the illumination coverage and enhancing lighting flexibility and scene adaptability. It also supports multiple interaction methods, including voice commands, touch operation, and scene mode linkage, reducing user operation steps and improving ease of use and intelligent experience. This meets users' needs for personalized and automated lighting in different driving scenarios, filling the market gap in automotive interior lighting technology that combines automatic adjustment and rotation functions. This aligns automotive interior lighting with the trend of intelligent automotive interior development, enhancing the product's technological competitiveness in the market. Attached Figure Description

[0022] Figure 1 This is a cross-sectional view of the vehicle interior light provided in Embodiment 1.

[0023] Figure 2 This is an exploded schematic diagram of the structure of the vehicle interior light provided in Embodiment 1.

[0024] Figure 3 This is a cross-sectional view of the vehicle interior light provided in Embodiment 2.

[0025] In the diagram, 1 is the outer shell; 11 is the light-emitting area; 2 is the rotating shell; 21 is the light guide; 22 is the light source; 23 is the connecting part; 24 is the through hole; 3 is the first motor; 31 is the output shaft; 32 is the limiting step; 33 is the threaded hole; 34 is the first circumferential limiting surface; 4 is the screw; 5 is the control circuit board; 6 is the auxiliary shell; 61 is the light-transmitting area; and 7 is the second motor. Detailed Implementation

[0026] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0027] like Figure 1 The automatically adjustable vehicle interior light shown includes a housing 1 with an internal cavity. The bottom of the housing 1 has a transparent light-emitting area 11, the inner surface of which is spherical. A rotating housing 2 is rotatably disposed within the cavity. The outer surface of the rotating housing 2 facing the light-emitting area 11 is also spherical. The two spherical surfaces are concentrically arranged. A vertically extending light guide 21 is embedded in the middle of the spherical surface of the rotating housing 2. The upper end of the light guide 21 extends into the rotating housing 2. A light source 22 is disposed inside the rotating housing 2 opposite to the upper end of the light guide 21. A drive structure for driving the rotating housing 2 to rotate is provided inside the housing 1. When the drive structure drives the rotating housing 2 to rotate, its rotation center is the center of the aforementioned spherical surface.

[0028] In this embodiment, a PCB board is provided inside the rotating housing 2. The light source 22 consists of multiple evenly distributed LEDs on the PCB board that can be lit independently. The lighting intensity of the interior lights in the vehicle can be controlled by controlling the number of LEDs lit. Both the outer shell 1 and the rotating housing 2 are made of opaque plastic material. The light-emitting area 11 is made of light-guiding material. The light emitted by the light source 22 is guided to the light-emitting area 11 by the light guide 21 and then passes through the light-emitting area 11.

[0029] like Figure 1 As shown, the driving structure includes a first motor 3 fixed inside the cavity. The first motor 3 has a horizontally extending output shaft 31 driven by it, and the centerline of the output shaft 31 passes through the center of the aforementioned spherical surface. A rotating housing 2 is fixed on the output shaft 31. The first motor 3 is a high-precision stepper motor. When the first motor 3 is working, it can drive the output shaft 31 and the rotating housing 2 to swing back and forth within a small angle range. When the rotating housing 2 swings, the lower end of the light guide 21 always faces the light-emitting area 11.

[0030] like Figure 2 As shown, the top of the rotating housing 2 is provided with an upwardly protruding connecting part 23. The connecting part 23 is provided with a through hole 24 for the output shaft 31 to pass through. The output shaft 31 is provided with a limiting step 32. The end of the output shaft 31 is provided with a threaded hole 33. A screw 4 is threaded into the threaded hole 33. After the connection is completed, the connecting part 23 is limited between the head of the screw 4 and the limiting step 32.

[0031] During installation, the output shaft 31 is inserted into the through hole 24, and then the screw 4 is connected to the threaded hole 33. As the screw 4 is screwed in, the connecting part 23 can be pressed onto the limiting step 32 through the head of the screw 4, thereby realizing the quick installation of the rotating housing 2 onto the output shaft 31 of the first motor 3.

[0032] like Figure 2 As shown, the output shaft 31 is provided with two opposing first circumferential limiting surfaces 34, and the through hole 24 has two second circumferential limiting surfaces that respectively fit with different first circumferential limiting surfaces 34. The first circumferential limiting surfaces 34 are parallel to the axis of the output shaft 31, which can limit the circumferential position of the output shaft 31 and the connecting part 23. With the cooperation of screw 4 and limiting step 32, the output shaft 31 and the connecting part 23 can be effectively fixed, and it also has the feature of easy disassembly.

[0033] To facilitate the installation of internal components, such as Figure 1 and Figure 2 As shown, the rotating housing 2 includes an upper housing and a lower housing that are interlocked with each other. The light guide 21 is vertically inserted into the lower housing. The light source 22 is disposed on the inner top surface of the upper housing. The connecting part 23 is disposed on the outer top surface of the upper housing.

[0034] like Figure 1As shown, a control circuit board 5 is installed inside the cavity. The first signal output terminal of the control circuit board 5 is connected to the signal input terminal of the first motor 3, and the second signal output terminal of the control circuit board 5 is connected to the signal input terminal of the PCB board. Simultaneously, the control circuit board 5 is deeply integrated with the in-vehicle seat system, vehicle system, and sensor network via the CAN / LIN bus, enabling intelligent experiences such as light following seat linkage and scene-triggered light changes. This upgrades the interior lighting from a single lighting tool to an intelligent cockpit interaction node. For example, lighting control is achieved through automatic adjustment linked to the seat and voice / touch interaction, making operation more convenient. The use of a high-precision stepper motor and seat position data algorithm mapping can accurately position the light focus to the target area, improving lighting accuracy and meeting the needs of localized, refined lighting.

[0035] Example 2

[0036] The structural principle of this embodiment is basically the same as that of Embodiment 1, except that, as Figure 3 As shown, it also includes an auxiliary housing 6 with a light-transmitting area 61. An outer shell 1 is disposed within the auxiliary housing 6, and the light-emitting area 11 of the outer shell 1 is opposite to the light-transmitting area 61 of the auxiliary housing 6. A second motor 7 is disposed within the auxiliary housing 6, its rotating shaft perpendicular to the output shaft 31 of the first motor 3. This rotating shaft extends horizontally, and the outer shell 1 is fixed to the rotating shaft of the second motor 7. Based on Embodiment 1, rotation in a second direction is added, increasing the irradiation range. The third signal output terminal of the control circuit board 5 within the cavity is connected to the signal input terminal of the second motor 7.

[0037] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. An automatically adjustable vehicle interior light, characterized in that, The device includes an outer shell (1) with an internal cavity, the outer shell (1) having a transparent light-emitting area (11), a rotating housing (2) rotatably disposed within the cavity, a light guide (21) embedded in the rotating housing (2) facing the light-emitting area (11), the end of the light guide (21) away from the light-emitting area (11) extending into the rotating housing (2), a light source (22) disposed opposite to the light guide (21) within the rotating housing (2), and a driving structure for driving the rotating housing (2) to rotate within the outer shell (1).

2. The automatically adjustable vehicle interior light according to claim 1, characterized in that, The drive structure includes a first motor (3) fixed in the cavity, the first motor (3) is provided with an output shaft (31), the extension direction of the output shaft (31) is perpendicular to the light guiding direction of the light guide (21), and the rotating housing (2) is fixed on the output shaft (31).

3. The automatically adjustable vehicle interior light according to claim 2, characterized in that, The rotating housing (2) is provided with a connecting part (23), and the connecting part (23) is provided with a through hole (24) for the output shaft (31) to pass through. The output shaft (31) is provided with a limiting step (32), and the end of the output shaft (31) is provided with a threaded hole (33). A screw (4) is threaded into the threaded hole (33), and the connecting part (23) is limited between the head of the screw (4) and the limiting step (32).

4. The automatically adjustable vehicle interior light according to claim 3, characterized in that, The output shaft (31) is provided with a first circumferential limiting surface (34), and the through hole (24) has a second circumferential limiting surface that fits with the first circumferential limiting surface (34).

5. The automatically adjustable vehicle interior light according to claim 3, characterized in that, The rotating housing (2) includes an upper housing and a lower housing that are interlocked with each other. The light guide (21) is inserted into the lower housing, the light source (22) is disposed in the upper housing, and the connecting part (23) is disposed on the upper housing.

6. The automatically adjustable vehicle interior light according to claim 2, characterized in that, The inner surface of the light-emitting area (11) is a sphere, and the outer surface of the rotating housing (2) facing the light-emitting area (11) is also a sphere. The two spheres are concentrically arranged, and the centerline of the output shaft (31) passes through the center of the sphere.

7. The automatically adjustable vehicle interior light according to claim 1, characterized in that, The rotating housing (2) contains a PCB board, and the light source (22) consists of multiple LEDs mounted on the PCB board.

8. The automatically adjustable vehicle interior light according to claim 2, characterized in that, The cavity is provided with a control circuit board (5), the first signal output terminal of the control circuit board (5) is connected to the signal input terminal of the first motor (3), and the second signal output terminal of the control circuit board (5) is connected to the signal input terminal of the light source (22).

9. The automatically adjustable vehicle interior light according to claim 2, characterized in that, It also includes an auxiliary housing (6) with a light-transmitting area (61), the outer shell (1) is disposed inside the auxiliary housing (6), and the light-emitting area (11) of the outer shell (1) is disposed opposite to the light-transmitting area (61) of the auxiliary housing (6). The auxiliary housing (6) is provided with a second motor (7) whose rotating shaft is perpendicular to the output shaft (31) of the first motor (3), and the outer shell (1) is fixed on the rotating shaft of the second motor (7).

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