Automotive interior lamp
By using a combination of COB surface light source and light transmitter in automotive interior lamps, the problem of large space structure and uneven lighting effects in the prior art is solved, and a small-sized, uniform luminous and multi-functional interior lamp is realized.
Patent Information
- Application Number
- CN202420060488.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-10
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-01-10
AI Technical Summary
The existing automotive interior light has a large spatial structure, which limits the customer's styling design. In the case of small space, the LED light dispersion effect is uneven, resulting in uneven lighting effect.
The design is adopted to combine COB surface light source and light transmitter. The light source includes a substrate, a dam, a light emitting chip and a light transmitter. The light transmitter is located above the light emitting chip and color matching is achieved through fluorescent glue. The light source itself is thinner, with a thickness of up to 2mm, and can be bent to match the shape arc.
Car interior lights with small size, uniform luminous emission, adjustable color and brightness can be achieved, which can meet customers' requirements for luminous uniformity and dynamic lighting effects, while greatly reducing space requirements.
Smart Images
Figure CN222616732U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of automobile lamps, in particular to an automobile interior lamp. Background Art
[0002] The automotive interior lamp products currently on the market mainly include an upper shell 91, a lower shell 92, a diffusion material 93, an LED lamp 94, and in addition, a light guide 95 or a reflector 96 is optionally used, such as Figure 1 and Figure 2 As shown in the figure, no matter the light guide solution or the reflector solution, the space required in the X and Y directions is basically at least 25mm in the X direction and 25mm in the Y direction. The required space structure is relatively large, which limits the customer's design.
[0003] In addition, the current light guide solution and reflector solution have large requirements for the internal space of the lamp. The LED light needs to be dispersed through the light guide or reflector. When the space is small, the LED is closer to the light-emitting surface, resulting in uneven overall lighting effect.
[0004] Therefore, in view of the above-mentioned technical problems, it is necessary to provide a new technical solution. Utility Model Content
[0005] In order to solve at least one of the technical problems existing in the prior art, the utility model provides a car interior lamp with small size, uniform light emission, light color, brightness, uniformity and dynamic lighting performance indicators that can meet customer requirements. The specific technical solution is as follows:
[0006] The utility model provides an automobile interior lamp, comprising:
[0007] A housing, the housing comprising a first housing portion and a second housing portion, the first housing portion and the second housing portion together form a receiving space, and the receiving space has at least one light outlet;
[0008] The light source is placed in the accommodating space, the light source faces the light outlet, the light source includes a substrate, a dam, a light-emitting chip and a light-transmitting body, the dam and the light-emitting chip are fixedly arranged on the substrate, the light-emitting chip is provided with dams on both sides along the length direction, the light-transmitting body is accommodated in the cavity formed by the dam and the substrate and is located above the light-emitting chip.
[0009] As a preferred solution of the present invention, the light-transmitting body is configured for color matching.
[0010] As a preferred solution of the present invention, the light source is a COB surface light source.
[0011] As a preferred solution of the utility model, a plurality of light-emitting chips are regularly arranged on the light source.
[0012] As a preferred solution of the present utility model, the light source is a linear light source or a curved light source.
[0013] As a preferred solution of the utility model, the light-transmitting body is fluorescent glue.
[0014] As a preferred solution of the utility model, a support body is provided in the accommodating space, and the light source is fixedly mounted on the support body.
[0015] As a preferred solution of the utility model, it also includes a light guide, which is arranged on a side of the light source close to the light outlet, and the light guide is in contact with or close to the light outlet.
[0016] As a preferred solution of the utility model, the light guide includes a lens, which is arranged on a side of the light source close to the light outlet, and a side of the lens close to the light outlet is a light emitting surface.
[0017] As a preferred solution of the utility model, the light guide comprises a light guide, one end of the light guide is in contact with and connected to the light source, and the other end of the light guide is in contact with or close to the light outlet.
[0018] As a preferred solution of the present invention, the light guide is a light guide made of a diffusion material or a light guide made of a transparent material.
[0019] Compared with the prior art, the technical solution described in the utility model has at least one or more of the following beneficial effects:
[0020] The ingenious structural design of the utility model makes the COB surface light source appear as a slender and uniform light strip after being lit, which can be used directly as an exterior light. Of course, it can also be placed in a shell for use as described in the utility model. The light source itself is relatively thin, with the thinnest thickness reaching 2mm, and the light efficiency is relatively high. Of course, the thickness and width can be adaptively adjusted according to actual needs, and this patent is not limited to this. The interior light using the COB surface light source in the utility model only needs to be at least 3mm in the X direction and 5mm in the Y direction, which greatly reduces the space requirements.
[0021] In addition, the light source can be bent to match the curvature of the model. In addition, this patented light source can achieve a uniform lighting effect, and can also achieve a flowing lighting effect through the control chip, which can meet the customer's requirements for luminous brightness, color, uniformity and dynamic lighting.
[0022] Set up fluorescent glue. Different colors of fluorescent glue can be added according to the colors required by the customer to prepare light sources of different colors and achieve lighting of different colors.
[0023] A substrate is provided, preferably an aluminum substrate, which can provide support and can be bent to facilitate matching with different shape curvatures.
[0024] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0026] Figure 1 It is a schematic diagram of the radial cross-sectional structure of an automobile interior lamp in the prior art;
[0027] Figure 2 It is a schematic diagram of a radial cross-sectional structure of another automotive interior lamp in the prior art;
[0028] Figure 3 It is a schematic diagram of the radial cross-sectional structure of the light source of the utility model;
[0029] Figure 4 It is a three-dimensional structural schematic diagram of the light source of the utility model;
[0030] Figure 5 It is a schematic diagram of the radial cross-sectional structure of the automobile interior lamp described in the utility model;
[0031] Figure 6 It is a schematic diagram of the radial cross-sectional structure of the automobile interior lamp described in the utility model;
[0032] Figure 7 The utility model is a schematic diagram of the radial cross-sectional structure of the automobile interior lamp.
[0033] Among them, 1-shell, 3-light source, 4-light guide, 11-first shell part, 111-first end face, 12-second shell part, 121-second end face, 13-accommodating space, 14-light outlet, 15-support body, 31-substrate, 32-dam, 33-light-emitting chip, 34-light-transmitting body, 41-lens, 411-light-emitting surface, 42-light guide. DETAILED DESCRIPTION
[0034] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, and should not be construed as limitations on the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the utility model.
[0035] In the description of the present utility model, it is necessary to understand that the terms "upper", "lower", "top", "bottom", "inside", "outside", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0036] In the description of the present utility model, unless otherwise clearly specified and limited, the terms "provided with", "equipped with", "connected", "installed with", "set", "opened", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0037] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.
[0038] Please refer to Figure 2-7 It should be noted that the length direction of the car interior lights is Figure 5-7 The direction perpendicular to the paper surface. Figure 2-7 As shown, the utility model provides an automobile interior lamp, comprising:
[0039] A housing 1, comprising a first housing portion 11 and a second housing portion 12, wherein the first housing portion 11 and the second housing portion 12 together form a receiving space 13, and the receiving space 13 has at least one light outlet 14;
[0040] Light source 3 is placed in the accommodating space 13, and the light source 3 faces the light outlet. The light source 3 includes a substrate 31, a dam 32, a light-emitting chip 33 and a light-transmitting body 34. The dam 32 and the light-emitting chip 33 are fixedly arranged on the substrate 31. The light-emitting chip 33 is provided with dams 32 on both sides along the length direction. The light-transmitting body 34 is accommodated in the cavity formed by the dam 32 and the substrate 31 and is located above the light-emitting chip 33.
[0041] Preferably, the light-transmitting body 34 is configured for color matching. In the example, the light-transmitting body 34 is fluorescent glue. Fluorescent glue is provided, and different colors of fluorescent glue can be added according to different colors required by customers to prepare light sources of different colors, so as to achieve different colors of lighting.
[0042] In an example, the dam is configured to encapsulate fluorescent glue. The dam can be formed into various shapes required by customers.
[0043] Preferably, the dam is made of a thermosetting material. After the light-emitting chip is fixed on the aluminum substrate, the dam is used to enclose it into a shape required by the customer, and then liquid fluorescent glue is poured into the dam to fill it. After the fluorescent glue is cured, the light source is completed.
[0044] Preferably, along the length direction of the light source, the light source 3 is a linear light source or a curved light source.
[0045] Preferably, the substrate is configured to provide support for the light source. In the example, the substrate 31 is an aluminum substrate. It should be noted that the substrate can also be made of other materials, and this patent is not limited to this. A substrate is provided, preferably an aluminum substrate, which can provide support and can be bent to facilitate matching different curvatures.
[0046] The light source 3 is a COB surface light source. When the COB surface light source is lit, it presents a slender and uniform light strip, which can be used directly as an exterior light. Of course, it can also be placed in a shell for use as described in the utility model. The light source itself is relatively thin, with a thickness of up to 2mm at its thinnest, and a high light efficiency. Of course, the thickness and width can be adaptively adjusted according to actual needs, and this patent is not limited to this. The interior light using the COB surface light source in the utility model only requires a minimum size of 3mm in the X direction and 5mm in the Y direction, which greatly reduces the space requirements.
[0047] In addition, the light source can be bent to match the curvature of the model. In addition, this patented light source can achieve a uniform lighting effect, and can also achieve a flowing lighting effect through the control chip, which can meet the customer's requirements for performance indicators such as luminous brightness, color, uniformity and dynamic lighting.
[0048] Preferably, a plurality of light emitting chips 33 are regularly arranged on the light source 3. More preferably, a plurality of light emitting chips 33 are regularly arranged on the light source 3 along the length direction and / or along the width direction. In the example, a plurality of light emitting chips 33 are uniformly arranged along the length direction and / or along the width direction of the light source 3. Of course, the spacing of the light emitting chips arranged along the length direction and along the width direction may be the same or different.
[0049] Preferably, the light source 3 is installed in the accommodating space by gluing, snapping or screwing.
[0050] In a preferred embodiment, a support body 15 is provided in the accommodating space 13, and the light source 3 is fixedly mounted on the support body 15. The support body 15 can be provided in the first housing portion 11, or in the second housing portion 12. In the example, the support body 15 is provided in the second housing portion 12. In the example, the support body 15 is integrally connected to the second housing portion 12.
[0051] In a preferred embodiment, a first end face 111 is provided at one end of the first shell portion 11 close to the light outlet, the first end face 111 is adjacent to the light outlet 14 and faces the accommodating space 13, and a second end face 121 is provided at one end of the second shell portion 12 close to the light outlet, the second end face 121 is adjacent to the light outlet 14 and faces the accommodating space 13, and both the first end face 111 and the second end face 121 are in contact with the light source 3.
[0052] In a preferred embodiment, a light guide 4 is further included. The light guide 4 is disposed on a side of the light source 3 close to the light outlet 14 , and the light guide 4 is in contact with or close to the light outlet 14 .
[0053] Preferably, the light guide 4 includes a lens 41, which is disposed on a side of the light source 3 close to the light outlet 14, and a side of the lens 41 close to the light outlet 14 is a light emitting surface 411. In the example, the lens is a lens of a diffusion material or a lens of a transparent material.
[0054] Preferably, the light guide 4 includes a light guide 42, one end of which is in contact with the light source 3, and the other end of the light guide 42 is in contact with or close to the light outlet 14. Preferably, the light guide 42 is a straight light guide or a curved light guide along the light guiding direction. Similarly, in the example, the light guide 42 is a light guide of a diffusion material or a light guide of a transparent material.
[0055] Of course, according to the actual situation or customer needs, lenses and light guides can also be set at the same time.
[0056] It should be noted that, in the absence of conflict, the above embodiments or all features in the embodiments described herein may be arbitrarily combined.
[0057] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "yet another embodiment", "another embodiment", "other embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification.
[0058] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify and vary the above embodiments within the scope of the present invention.
Claims
1. An automobile interior lamp, characterized in that: include: A housing (1), the housing (1) comprising a first housing portion (11) and a second housing portion (12), the first housing portion (11) and the second housing portion (12) together forming a receiving space (13), the receiving space (13) having at least one light outlet (14); A light source (3), the light source (3) is placed in the accommodation space (13), the light source (3) faces the light outlet (14), the light source (3) comprises a substrate (31), a dam (32), a light emitting chip (33) and a light transmissive body (34), the dam (32) and the light emitting chip (33) are both fixedly arranged on the substrate (31), the light emitting chip (33) is provided with dams (32) on both sides along the length direction, and the light transmissive body (34) is accommodated in a cavity formed by the dam (32) and the substrate (31) and is located above the light emitting chip (33).
2. The automotive interior lamp according to claim 1, characterized in that: The light-transmitting body (34) is configured for color matching; and / or The light source is a COB surface light source.
3. The automotive interior lamp according to claim 1, characterized in that: A plurality of light-emitting chips (33) are regularly arranged on the light source (3); and / or The light source (3) is a linear light source or a curved light source.
4. The automotive interior lamp according to claim 2, characterized in that: The light-transmitting body (34) is fluorescent glue.
5. The automotive interior lamp according to claim 1, characterized in that: A support body (15) is arranged in the accommodating space (13), and the light source (3) is fixedly mounted on the support body (15).
6. The automotive interior lamp according to claim 1, characterized in that: It also comprises a light guide (4), which is arranged on a side of the light source (3) close to the light outlet (14), and the light guide (4) is in contact with or close to the light outlet (14).
7. The automotive interior lamp according to claim 6, characterized in that: The light guide (4) comprises a lens (41), which is arranged on a side of the light source (3) close to the light outlet (14), and a side of the lens (41) close to the light outlet (14) is a light emitting surface (411).
8. The automotive interior lamp according to claim 6, characterized in that: The light guide (4) comprises a light guide (42), one end of the light guide (42) is in contact with and connected to the light source (3), and the other end of the light guide (42) is in contact with or close to the light outlet (14).
9. The automotive interior lamp according to claim 6, characterized in that: The light guide (4) is a light guide made of a diffusion material or a light guide made of a transparent material.