Automobile indoor reading lamp

Abstract

The utility model provides an automobile indoor reading lamp. The automobile indoor reading lamp comprises a shell, a circuit board, a plurality of light guide pieces and a plurality of lamp caps. The circuit board, the light guide part and the lamp holder are all located in the shell, the circuit board is provided with a plurality of sets of light-emitting units, and the light-emitting units are arranged at intervals in the length direction of the shell. The light guide part is provided with a first light inlet face, a first light outlet face, a first optical processing face and a second optical processing face. The first optical processing face and the second optical processing face are used for reflecting light emitted by the first light inlet face to the first light outlet face. The lamp holder is provided with a second light incident surface and a plurality of second light emergent surfaces. One light guide piece and one lamp holder are additionally arranged on each light emitting unit, the light guide pieces can guide light rays emitted by the light emitting units to the lamp holders, then the light rays are emitted out through the multiple second light-emitting faces of the lamp holders, and under the combined action of the first optical processing face, the second optical processing face and the multiple second light-emitting faces, the irradiation area of each light emitting unit can be enlarged; therefore, the lighting environment in the vehicle is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle lighting equipment technical field, concretely relates to a car indoor reading lamp. BACKGROUND

[0002] With the continuous development of the automobile industry, people's comfort, aesthetic and intelligent requirements of the car interior are higher and higher. The main function of the car indoor reading lamp is to meet the passenger's in-car lighting needs as much as possible without affecting the driver. Most of the existing car indoor reading lamps adopt the design of single lamp bead, so there is a problem of small lighting area, which cannot create a good in-car lighting environment. SUMMARY

[0003] In view of the defects in the prior art, the utility model aims at providing a car indoor reading lamp to improve the lighting environment in the car.

[0004] In order to achieve the above purpose, the utility model provides a car indoor reading lamp, which comprises a shell, a circuit board arranged in the shell, the circuit board is provided with a plurality of groups of light emitting units, a plurality of groups of the light emitting units are arranged along the length direction of the shell, a plurality of light guides arranged in the shell, each of the light guides corresponds to a group of the light emitting units, the light guide has a first light entrance surface, a first light exit surface, a first optical processing surface and a second optical processing surface, the first light entrance surface is close to the light emitting unit, the first light exit surface is arranged on the side of the first light entrance surface away from the light emitting unit, the first light exit surface is arranged in a staggered manner with the first light entrance surface, the first optical processing surface and the second optical processing surface are used for reflecting the light rays entering the first light entrance surface to the first light exit surface, and a plurality of lamp holders arranged in the shell, each of the lamp holders corresponds to one of the light guides, the lamp holder has a second light entrance surface and a multi-surface second light exit surface, and the second light entrance surface is close to the first light exit surface.

[0005] Preferably, the first optical processing surface and the second optical processing surface are arranged oppositely, the first optical processing surface is composed of a multi-surface arc surface, and the second optical processing surface is a plane.

[0006] Preferably, the first light entrance surface comprises a first surface and a second surface arranged in a stepped structure, the second surface is located between the first surface and the first light exit surface, the first surface is connected with the second optical processing surface, and the second surface is close to the first optical processing surface.

[0007] Preferably, the light guide has a third optical processing surface, and the third optical processing surface is connected with the first surface and the second surface respectively.

[0008] Preferably, the shell is provided with a lens on the side of the lamp head away from the light guide; further comprising a reflector bowl provided in the shell, the reflector bowl is provided on the inner side of the lens, and the lamp head is provided in the reflector bowl.

[0009] Preferably, the lamp head is in snap-fit with the reflector bowl.

[0010] Preferably, a support is provided in the shell, and the support is connected with each of the light guides.

[0011] Preferably, the support is in snap-fit with the shell.

[0012] The beneficial effects of the present application are as follows:

[0013] The automobile indoor reading lamp disclosed by the present application is provided with a light guide and a lamp head for each group of light emitting units, the light guide can guide the light emitted by the light emitting units to the lamp head, and the light is emitted from the multi-faceted second light emitting surface of the lamp head, under the joint action of the first optical processing surface, the second optical processing surface and the multi-faceted second light emitting surface, the irradiation area of each group of light emitting units can be expanded, thereby improving the lighting environment in the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly introduced. 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.

[0015] Figure 1 The cross-sectional view of the automobile indoor reading lamp provided by the embodiment of the present application is shown in the figure.

[0016] Figure 2 The structural view of the cooperation of the circuit board, the light guide and the lamp head is shown in the figure.

[0017] Figure 3 The structural view of the light guide is shown in the figure.

[0018] Figure 4 The structural view of the light guide from another perspective is shown in the figure.

[0019] Figure 5 The structural view of the lamp head installed in the reflector bowl is shown in the figure.

[0020] Figure 6 Fig. 4 is a structural schematic view of another perspective of the reflector bowl;

[0021] Figure 7 Fig. 5 is a structural schematic view of the cooperation between the support and the shell;

[0022] Figure 8 Fig. 6 is a structural schematic view of the automobile reading lamp; Figure 7 Fig. 7 is a partial schematic view of A in Fig. 6;

[0023] Figure 9 Fig. 8 is a structural schematic view of the automobile reading lamp;

[0024] Reference signs:

[0025] 10, shell; 11, lens; 12, clamping tongue; 20, circuit board; 21, light emitting unit; 30, light guide member; 31, first surface; 32, second surface; 33, first light exit surface; 34, first optical processing surface; 35, second optical processing surface; 36, third optical processing surface; 40, lamp holder; 41, second light entrance surface; 42, second light exit surface; 50, reflector bowl; 60, support; 61, supporting lug. DETAILED DESCRIPTION

[0026] The embodiments of the technical scheme of the present application 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 present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0027] 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 present application belongs.

[0028] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "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 present application 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 present application.

[0029] 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 present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0030] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] like Figures 1-9 As shown, in one embodiment of this utility model, an automotive interior reading light is provided, including a housing 10, a circuit board 20, five light guides 30, and five lamp heads 40. For ease of assembly, the housing 10 includes a main body, a front cover, and a rear cover, with the main body engaging with the front and rear covers respectively. The circuit board 20 is fixed inside the housing 10 and has five sets of light-emitting units 21, spaced apart along the length of the housing 10. Each set of light-emitting units 21 includes two LED beads. The light guides 30 are made of PC or acrylic material, and the five light guides 30 are installed inside the housing 10, with each light guide 30 corresponding to one set of light-emitting units 21.

[0033] Specifically, the light guide 30 has a first light-incident surface, a first light-exiting surface 33, a first optical processing surface 34, and a second optical processing surface 35. The first light-incident surface is close to the light-emitting unit 21, and the first light-exiting surface 33 is located on the side of the first light-incident surface away from the light-emitting unit 21. The first light-exiting surface 33 is staggered from the first light-incident surface. The first optical processing surface 34 and the second optical processing surface 35 are used to reflect the light incident from the first light-incident surface to the first light-exiting surface 33. Five lamp heads 40 are installed inside the housing 10. Each lamp head 40 corresponds to one light guide 30. The lamp head 40 has a second light-incident surface 41 and multiple second light-exiting surfaces 42. The second light-incident surface 41 is close to the first light-exiting surface 33.

[0034] The automobile indoor reading lamp disclosed by the embodiment is characterized in that a light guide piece 30 and a lamp head 40 are additionally arranged on each group of light emitting units 21, the light guide piece 30 can guide the light emitted by the light emitting units 21 to the lamp head 40, the light is emitted from the multi-faceted second light emitting surface 42 of the lamp head 40, and the illumination area of each group of light emitting units 21 can be expanded under the joint action of the first optical processing surface 34, the second optical processing surface 35 and the multi-faceted second light emitting surface 42, so that the illumination environment in the vehicle is improved. Meanwhile, the light emitting units 21 are arranged at intervals, the light emitted by each group of light emitting units 21 can irradiate different areas, so that the different use requirements of the passengers are met, and the application range is improved. In addition, the structure of the lamp head 40 is beneficial to light scattering, so that the irradiated light is softer, and better visual experience can be provided for the passengers.

[0035] In one embodiment, the first optical processing surface 34 is arranged opposite to the second optical processing surface 35, the first optical processing surface 34 is composed of a multi-faceted curved surface, and the second optical processing surface 35 is a plane. The first light entrance surface includes a first surface 31 and a second surface 32 arranged in a stepped structure, the second surface 32 is located between the first surface 31 and the first light exit surface 33, the first surface 31 is connected with the second optical processing surface 35, and the second surface 32 is close to the first optical processing surface 34. The light guide piece 30 has a third optical processing surface 36 connected with the first surface 31 and the second surface 32 respectively.

[0036] The light emitted by the light emitting units 21 enters the light guide piece 30 through the first surface 31 and the second surface 32, is reflected between the first optical processing surface 34, the second optical processing surface 35 and the third optical processing surface 36, is emitted from the first light exit surface 33, enters the lamp head 40 from the second light entrance surface 41, and is finally emitted from the multi-faceted second light emitting surface 42. In this way, the illumination area of the light emitted by each group of light emitting units 21 is expanded, so that the illumination environment in the vehicle is improved.

[0037] In one embodiment, the shell 10 is provided with a lens 11 located on the side of the lamp head 40 away from the light guide piece 30. The automobile indoor reading lamp further includes a reflecting bowl 50 arranged in the shell 10, the reflecting bowl 50 is arranged on the inner side of the lens 11, and the lamp head 40 is arranged in the reflecting bowl 50. The concave mirror design of the reflecting bowl 50 can reflect the scattered light emitted from the second light emitting surface 42 into parallel or concentrated light beams, so that the light of the reading lamp can be focused on a specific area, and the problem of glare or excessive illumination range caused by invalid scattering is avoided.

[0038] In one embodiment, the lamp head 40 and the reflecting bowl 50 are connected through clamping.

[0039] In one embodiment, in order to facilitate the installation and fixation of the five light guides 30, the housing 10 is provided with a support 60, and the support 60 is connected with each light guide 30. Specifically, the support 60 is in clamping cooperation with the housing 10. In the embodiment, the support 60 is provided with a plurality of lugs 61, and the inner wall of the housing 10 is provided with clamping tongues 12 matched with the lugs 61. Through the cooperation of each pair of clamping tongues 12 and lugs 61, the five light guides 30 can be effectively fixed, and the use of bolts to fix the support 60 is avoided, thereby saving the cost.

[0040] In the description 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 in order not to obscure the understanding of the present description.

[0041] Finally, it should be noted that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it; 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 scheme 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 scheme deviate from the scope of the technical scheme of the embodiments of the utility model, and they should be covered in the scope of the claims and the description of the utility model.

Claims

1. An automotive interior reading lamp characterized by, The application relates to a lamp, which comprises the following parts: a shell (10); a circuit board (20) arranged in the shell (10), the circuit board (20) being provided with a plurality of groups of light-emitting units (21), the groups of light-emitting units (21) being arranged at intervals along the length direction of the shell (10); a plurality of light guides (30) arranged in the shell (10), each of the light guides (30) corresponding to one group of the light-emitting units (21), the light guide (30) having a first light-in surface, a first light-out surface (33), a first optical processing surface (34) and a second optical processing surface (35), the first light-in surface being close to the light-emitting unit (21), the first light-out surface (33) being arranged on the side of the first light-in surface away from the light-emitting unit (21), the first light-out surface (33) being arranged in a staggered mode with the first light-in surface, and the first optical processing surface (34) and the second optical processing surface (35) being used for reflecting the light rays entering the first light-in surface to the first light-out surface (33); a plurality of lamp heads (40) arranged in the shell (10), each of the lamp heads (40) corresponding to one of the light guides (30), the lamp head (40) having a second light-in surface (41) and a multi-surface second light-out surface (42), and the second light-in surface (41) being close to the first light-out surface (33). The first optical processing surface (34) and the second optical processing surface (35) are arranged in a mode of being opposite to each other, the first optical processing surface (34) is composed of a multi-surface arc surface, and the second optical processing surface (35) is a plane.

2. The automotive dome light of claim 1, wherein, The first light-in surface comprises a first surface (31) and a second surface (32) arranged in a stepped structure, the second surface (32) is located between the first surface (31) and the first light-out surface (33), the first surface (31) is connected with the second optical processing surface (35), and the second surface (32) is close to the first optical processing surface (34).

3. The automotive dome light of claim 2, wherein, The light guide (30) has a third optical processing surface (36), and the third optical processing surface (36) is connected with the first surface (31) and the second surface (32) respectively.

4. The automotive dome light of claim 3, wherein, The shell (10) is provided with a lens (11), the lens (11) is located on the side of the lamp head (40) away from the light guide (30), and the lamp head (40) is arranged in a light-reflecting bowl (50) arranged in the shell (10).

5. The automotive dome light of claim 1, wherein, The lamp head (40) is in clamping cooperation with the light-reflecting bowl (50).

6. The automotive dome light of claim 5, wherein, The shell (10) is provided with a support (60), and the support (60) is connected with each of the light guides (30) respectively.

7. The automotive dome light of claim 1, wherein, The support (60) is in clamping cooperation with the shell (10).

8. The automotive dome light of claim 7, wherein, ​

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