Roof lamp
By designing multiple light-emitting zones and integrating microphones into the roof light, the problem that existing roof lights cannot meet the lighting and sound acquisition needs of areas such as the secondary dashboard has been solved, achieving wider lighting and more accurate sound source acquisition, and improving the intelligence of human-computer interaction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-03-24
AI Technical Summary
The existing roof lights cannot meet the lighting needs of areas such as the passenger dashboard, and lack the ability to accurately collect the sound signals of front passengers.
Design a roof light comprising a housing, a panel, a first light-emitting area, a second light-emitting area, a light guide component, and a microphone. The light guide component expands the illumination range, and the integrated microphone is used for sound acquisition.
The lighting range has been expanded to meet the lighting needs of areas such as the front seats, cup holders, and armrests, and the accuracy of sound acquisition has been improved, enhancing the intelligence and accuracy of human-computer interaction.
Smart Images

Figure CN224028893U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle lighting equipment technical field, concretely relates to a roof light. BACKGROUND
[0002] With the development of the automobile, people's demand for the interior of the vehicle is higher and higher, and the design of the roof light is more and more various. The roof light can improve the lighting demand of the front row personnel when the light is insufficient, and at the same time, it will not affect the normal driving.
[0003] Most of the existing roof lights are designed with left and right two beads, and the two beads correspond to the driving position and the copilot position respectively. Since the auxiliary instrument panel (cup holder, armrest box, etc.) is between the driving position and the copilot position, the existing roof light cannot meet the lighting demand of this part of the area. At the same time, with the increasing intelligence of automobile human-computer interaction, the requirement for accurate collection of sound signals in each seating area is also higher and higher. Therefore, a roof light is proposed, which can improve the lighting range and facilitate the collection of sound of the front row passengers. SUMMARY
[0004] In view of the defects in the prior art, the utility model aims to provide a roof light to solve or at least alleviate one or more of the above technical problems or other aspects in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model provides a roof light, which comprises a shell, a panel and a receiving cavity, the panel is provided with an acoustic hole, a first light-emitting area and two second light-emitting areas, the acoustic hole is communicated with the receiving cavity, the first light-emitting area is arranged between the two second light-emitting areas, and the first light-emitting area is close to the rear side of the shell; a first circuit board is arranged in the receiving cavity, one side of the first circuit board facing the panel is provided with a plurality of first beads; a light guide assembly is arranged in the receiving cavity and located between the first circuit board and the panel, the light guide assembly is used for guiding light to the first light-emitting area and the two second light-emitting areas; and a microphone is arranged in the receiving cavity, the microphone is close to the acoustic hole.
[0006] Preferably, the light guide assembly comprises a plurality of light guide units, the number of the light guide units corresponds to the number of the first beads, the light guide unit comprises a light guide block and a lamp holder, the light guide block is provided with a light inlet portion on one side close to the first bead, the light guide block is provided with a first light-emitting surface on the side away from the light inlet portion, the lamp holder is arranged on the side of the light guide block away from the first circuit board, the lamp holder is provided with a first light inlet surface and a plurality of second light-emitting surfaces, and the first light inlet surface is close to the first light-emitting surface.
[0007] Preferably, the light inlet portion is a groove, and an arc surface is arranged on the groove bottom and protrudes towards the first lamp bead.
[0008] Preferably, the light inlet portion is a plane, and the plane is arranged in parallel with the first light outlet surface.
[0009] Preferably, the light guide assembly further comprises a connecting frame, and each light guide block is arranged on the connecting frame.
[0010] Preferably, the first light outlet area extends along the width direction of the shell, and the second light outlet area extends along the length direction of the shell.
[0011] Preferably, the shell is provided with a third light outlet area, and the shell is provided with a light guide strip extending along the third light outlet area, and the two ends of the light guide strip correspond to the two light sources respectively.
[0012] Preferably, the light source comprises a mounting shell and a second circuit board, the mounting shell is arranged in the accommodating cavity, the second circuit board is arranged in the mounting shell and connected with the first circuit board, the second circuit board is provided with a second lamp bead, and the end of the light guide strip extends into the mounting shell and is close to the second lamp bead.
[0013] Preferably, the light guide strip cover is provided with a lampshade.
[0014] Preferably, the third light outlet area is provided with a light diffusion portion.
[0015] The beneficial effects of the present application are as follows:
[0016] The two second light outlet areas can provide illumination for the main driver area and the copilot area respectively, the first light outlet area is close to the rear side of the shell, so that the first light outlet area can provide illumination for the auxiliary instrument panel area, thus, by designing the first light outlet area and the two second light outlet areas, the illumination range of the roof lamp is expanded, so as to meet the illumination requirements of the front seat, cup holder, armrest box and other areas. Meanwhile, the microphone is integrated in the shell, which facilitates the collection of the voice signals of the front passengers, thereby improving the accuracy of voice collection, realizing accurate collection and monitoring of the in-vehicle man-machine interaction sound source, and improving the intelligence and accuracy of man-machine interaction. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.
[0018] Figure 1 The structural schematic view of the roof lamp is provided for an embodiment of the utility model;
[0019] Figure 2 The structural schematic view of the structure after hiding the light-emitting plate is provided for an embodiment of the utility model;
[0020] Figure 3 The structural schematic view of the cooperation of the circuit board, the light guide block and the lamp holder is provided for an embodiment of the utility model;
[0021] Figure 4 The structural schematic view of the circuit board is provided for an embodiment of the utility model;
[0022] Figure 5 The structural schematic view of the light inlet part being a groove is provided for an embodiment of the utility model;
[0023] Figure 6 The structural schematic view of the cooperation of the circuit board, the light guide block and the lamp holder is provided for an embodiment of the utility model; Figure 5 The partial schematic view of A in the middle is provided for an embodiment of the utility model;
[0024] Figure 7 The structural schematic view of the light inlet part being a plane is provided for an embodiment of the utility model;
[0025] Figure 8 The structural schematic view of the cooperation of the circuit board, the light guide block and the lamp holder is provided for an embodiment of the utility model; Figure 7 The partial schematic view of B in the middle is provided for an embodiment of the utility model;
[0026] Figure 9 The structural schematic view of the bottom of the light guide block is provided for an embodiment of the utility model;
[0027] Figure 10 The structural schematic view of the lamp holder is provided for an embodiment of the utility model;
[0028] Figure 11 The exploded schematic view of the shell is provided for an embodiment of the utility model;
[0029] Figure 12 The structural schematic view of the cooperation of the circuit board, the light guide block and the lamp holder is provided for an embodiment of the utility model; Figure 11 The structural schematic view of another view angle in the state is provided for an embodiment of the utility model;
[0030] Figure 13 The structural schematic view of the structure after hiding part of the shell is provided for an embodiment of the utility model;
[0031] Figure 14 The structural schematic view of the cooperation of the circuit board, the light guide block and the lamp holder is provided for an embodiment of the utility model;
[0032] Reference signs:
[0033] 10, housing; 11, panel; 12, sound hole; 13, first light-emitting area; 14, second light-emitting area; 15, third light-emitting area; 16, light diffusing part; 20, first circuit board; 21, first lamp bead; 30, light guide block; 31, groove; 32, arc surface; 33, first light-emitting surface; 40, lamp holder; 41, first light-entering surface; 42, second light-emitting surface; 50, microphone; 60, connecting frame; 70, light-emitting source; 71, mounting shell; 80, light guide strip; 90, lampshade. DETAILED DESCRIPTION
[0034] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and therefore only serve as examples, and cannot limit the protection scope of the utility model.
[0035] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meaning understood by the technical personnel in the field to which the utility model belongs.
[0036] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0037] In addition, the terms "first", "second", and the like are only used for description purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0038] In the present application, unless otherwise specifically specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0039] In the present application, unless otherwise explicitly specified and limited, a first feature is "on" or "under" a second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature is "over", "above" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the first feature is higher in horizontal height than the second feature. The first feature is "under", "below" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature is lower in horizontal height than the second feature.
[0040] As Figures 1-14 shown, in an embodiment of the utility model, provide a roof lamp, including casing 10, first circuit board 20, light guide assembly and microphone 50, casing 10 is equipped with panel 11 and accommodating cavity, panel 11 is equipped with sound hole 12, first light exit area 13 and two second light exit area 14, sound hole 12 communicates with accommodating cavity. First light exit area 13 is arranged between two second light exit area 14, and first light exit area 13 is close to the rear side of casing 10 (the side of casing 10 away from the front windshield), first light exit area 13 extends along the width direction of casing 10, second light exit area 14 extends along the length direction of casing 10, and first light exit area 13 and two second light exit area 14 constitute the light exit area of "C" shape. First circuit board 20, light guide assembly and microphone 50 are all fixedly installed in accommodating cavity, and the side of first circuit board 20 towards panel 11 is equipped with multiple first lamp beads 21. Light guide assembly is located between first circuit board 20 and panel 11, and light guide assembly is used for guiding light to first light exit area 13 and two second light exit area 14. Microphone 50 is close to sound hole 12, and microphone 50 is used for receiving sound signal.
[0041] The roof lamp disclosed in the embodiment, two second light exit area 14 can provide illumination for the main driver area and the copilot area respectively, since first light exit area 13 is close to the rear side of casing 10, therefore, first light exit area 13 can provide illumination for the auxiliary instrument panel (cup holder, armrest box, etc.) area, in this way, by designing first light exit area 13 and two second light exit area 14, the illumination range of the roof lamp is expanded, thereby meeting the illumination needs of the front seat, cup holder, armrest box, etc. area. At the same time, microphone 50 is integrated in casing 10, which is convenient for collecting the sound signal of the front driver and passenger, thereby improving the accuracy of sound collection, realizing the accurate collection and monitoring of in-vehicle human-computer interaction sound source, and improving the intelligence and accuracy of human-computer interaction.
[0042] In one embodiment, the light guide assembly comprises a plurality of light guide units, the number of the light guide units corresponding to the number of the first lamp beads 21, each of the light guide units comprising a light guide block 30 and a lamp head 40, the light guide block 30 being provided with a light inlet portion on the side close to the first lamp beads 21, and the light guide block 30 being provided with a first light outlet surface 33 on the side away from the light inlet portion. Referring to Figure 5 and Figure 6 The light inlet portion is a groove 31, the groove 31 being provided with a curved surface 32 on the groove bottom, and the curved surface 32 being convex toward the first lamp beads 21. Referring to Figure 7 and Figure 8 The light inlet portion is a plane arranged in parallel with the first light outlet surface 33.
[0043] The lamp head 40 is arranged on the side of the light guide block 30 away from the first circuit board 20, the lamp head 40 being provided with a first light inlet surface 41 and a multi-surface second light outlet surface 42, and the first light inlet surface 41 being close to the first light outlet surface 33. The light guide block 30 further comprises oppositely arranged first and second optical processing surfaces, the first optical processing surface being composed of a multi-surface curved surface, the light emitted by the first lamp beads 21 being sequentially reflected by the light inlet portion, the first optical processing surface and the second optical processing surface, and then being emitted from the first light outlet surface 33, the first light inlet surface 41 and the multi-surface second light outlet surface 42, so as to expand the irradiation area of the light emitted by each of the first lamp beads 21 and make the emitted light more soft, thereby improving the lighting environment in the vehicle.
[0044] In one embodiment, the light guide assembly further comprises a connecting frame 60, each of the light guide blocks 30 being fixed on the connecting frame 60, and specifically, the light guide block 30 and the connecting frame 60 being in an integrally formed structure. By designing the connecting frame 60 to connect each of the light guide blocks 30, effective fixation of all the light guide blocks 30 is facilitated, thereby reducing the assembly difficulty.
[0045] In one embodiment, the roof lamp further comprises two light emitting sources 70, the housing 10 being provided with a third light outlet area 15, the third light outlet area 15 being arranged outside the panel 11, the housing 10 being provided with a light guide strip 80, the light guide strip 80 extending along the third light outlet area 15, and the two ends of the light guide strip 80 corresponding to the two light emitting sources 70, respectively. Specifically, the light emitting source 70 comprises a mounting shell 71 and a second circuit board, the mounting shell 71 being arranged in the accommodating cavity, the second circuit board being arranged in the mounting shell 71 and connected with the first circuit board 20, the second circuit board being provided with second lamp beads, and the end portion of the light guide strip 80 extending into the mounting shell 71 and being close to the second lamp beads.
[0046] By designing the third light outlet area 15, when the two light emitting sources 70 are turned on, the light is irradiated along the third light outlet area 15 under the light guiding effect of the light guide strip 80, which not only can improve the atmosphere in the vehicle, but also can illuminate the outline of the roof lamp through the emitted light.
[0047] In one embodiment, the light guide strip 80 is covered with a lampshade 90 made of transparent material, which can make the light emitted by the light guide strip 80 more soft and further improve the atmosphere in the car.
[0048] In one embodiment, in order to improve the light emitting effect of the third light emitting area 15, the third light emitting area 15 is provided with a light scattering part 16.
[0049] In one embodiment, in order to improve the integration of the roof lamp, the panel 11 is provided with an illumination switch button, an SOS button and a sunshade curtain button. The SOS button is used to start the SOS system, which can send an emergency alarm through the built-in interconnection system of the manufacturer and locate the vehicle position when the driver or passenger is in danger or the vehicle is out of order, so as to seek corresponding help and service.
[0050] In the specification of the utility model, a large number of specific details are explained. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail, so as not to obscure the understanding of the specification.
[0051] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should be covered in the scope of the claims and the specification of the utility model.
Claims
1. A roof light characterised in that, The shell (10) is provided with a panel (11) and a receiving cavity, the panel (11) is provided with a sound hole (12), a first light-emitting area (13) and two second light-emitting areas (14), the sound hole (12) is communicated with the receiving cavity, the first light-emitting area (13) is arranged between the two second light-emitting areas (14), and the first light-emitting area (13) is close to the rear side of the shell (10); A first circuit board (20) is arranged in the receiving cavity, and a plurality of first lamp beads (21) are arranged on the side of the first circuit board (20) facing the panel (11); A light guide assembly is arranged between the first circuit board (20) and the panel (11) in the receiving cavity, and the light guide assembly is used for guiding light to the first light-emitting area (13) and the two second light-emitting areas (14); and A microphone (50) is arranged in the receiving cavity, and the microphone (50) is close to the sound hole (12). The light guide assembly comprises a plurality of light guide units, the number of the light guide units corresponds to the number of the first lamp beads (21), the light guide unit comprises a light guide block (30) and a lamp holder (40), the light guide block (30) is provided with a light inlet portion on the side close to the first lamp bead (21), the light guide block (30) is provided with a first light-emitting surface (33) on the side away from the light inlet portion, the lamp holder (40) is arranged on the side of the light guide block (30) away from the first circuit board (20), and the lamp holder (40) is provided with a first light inlet surface (41) and a plurality of second light-emitting surfaces (42), and the first light inlet surface (41) is close to the first light-emitting surface (33).
2. The roof light of claim 1, characterized in that The light inlet portion is a groove (31), and the groove bottom of the groove (31) is provided with an arc surface (32), and the arc surface (32) protrudes towards the first lamp bead (21).
3. The roof light of claim 2, wherein The light inlet portion is a plane, and the plane is arranged in parallel with the first light-emitting surface (33).
4. The roof light of claim 2, wherein The light guide assembly further comprises a connecting frame (60), and each light guide block (30) is arranged on the connecting frame (60).
5. The roof light of claim 2, wherein The first light-emitting area (13) extends along the width direction of the shell (10), and the second light-emitting area (14) extends along the length direction of the shell (10).
6. The roof light of claim 1, wherein Further comprising two light-emitting sources (70), the shell (10) is provided with a third light-emitting area (15), the third light-emitting area (15) is arranged outside the panel (11), the shell (10) is provided with a light guide strip (80), the light guide strip (80) extends along the third light-emitting area (15), and the two ends of the light guide strip (80) correspond to the two light-emitting sources (70) respectively.
7. The roof light of claim 1, wherein The light-emitting source (70) comprises a mounting shell (71) and a second circuit board, the mounting shell (71) is arranged in the receiving cavity, the second circuit board is arranged in the mounting shell (71) and connected with the first circuit board (20), the second circuit board is provided with a second lamp bead, and the end of the light guide strip (80) extends into the mounting shell (71) and is close to the second lamp bead.
8. The roof light of claim 7, characterized in that The light guide strip (80) is provided with a lampshade (90).
9. The roof light of claim 7, wherein, 10. The roof light of claim 7, wherein, The third light-exit area (15) is provided with a light dispersing part (16).