Low-cost interior lamp
By reducing parts and space occupation in car interior lamps and using the design of reflective shells and diffusers, the existing car interior lamps have solved the problems of high cost and uneven lighting effects, and achieved smaller and more economical interior lamp products.
Patent Information
- Application Number
- CN202421532428.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The existing automotive interior lamp products require a large space structure and multiple parts, resulting in high costs and limited styling and design. At the same time, the lighting effect is uneven in a small space.
The low-cost interior lamp design is adopted to minimize parts and smaller spaces. By making the rear case into a reflector or the inner wall of the rear case into a reflective surface, replacing the optical system of the light guide or reflective mirror, the light source illuminates the inner wall of the rear case and reflects it on the luminous surface of the diffuser to form a lighting effect.
It effectively reduces product costs, reduces space usage, facilitates styling and design, and achieves a more uniform lighting effect.
Smart Images
Figure CN222718059U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of automobile lamps, in particular to a low-cost 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. Whether it is the light guide solution or the reflector solution, the required space structure is relatively large, and the space required in the X and Y directions is basically at least 25mm in the X direction and 25mm in the Y direction, which limits the customer's design, and requires more parts and higher costs.
[0003] In addition, the current light guide and reflector solutions 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 low-cost interior lamp with a minimum number of parts, a smaller required space, and effectively reduces the cost of the product. The specific technical solution is as follows:
[0006] The utility model provides a low-cost interior lamp, comprising a housing, a diffusion material and a light source;
[0007] The housing comprises a front housing and a rear housing, the front housing and the rear housing together form a receiving space, and a light outlet is provided on the housing;
[0008] The light-emitting surface of the diffusion material is arranged at or close to the light outlet, and at least the portion of the inner wall of the rear housing facing the diffusion material is a reflective surface;
[0009] The light source is fixedly arranged in the accommodating space, and faces the reflective surface. The light emitted by the light source is reflected by the reflective surface and irradiates the diffusion material of the light outlet.
[0010] As a preferred solution of the utility model, the light-emitting surface of the diffusion material is arranged at the light outlet, the light outlet is opened on the front shell, and the front shell is integrally connected with the light-emitting surface of the diffusion material.
[0011] As a preferred solution of the utility model, the front shell and the light-emitting surface of the diffusion material are connected by two-color injection molding.
[0012] As a preferred solution of the utility model, the reflective surface is a curved surface, and the concave surface of the curved surface faces the luminous surface of the diffusion material.
[0013] As a preferred solution of the utility model, the rear shell is a reflective member, and the reflective surface is the inner wall portion of the rear shell facing the luminous surface of the diffusion material.
[0014] As a preferred solution of the utility model, the inner wall portion of the rear housing facing the light-emitting surface of the diffusion material is provided with a plating layer or a coating, and the surface of the plating layer or the coating is a reflective surface.
[0015] As a preferred solution of the utility model, it also includes a PCBA board, the PCBA board is fixedly accommodated in the accommodating space, and the light source is fixedly electrically connected to the PCBA board.
[0016] As a preferred solution of the utility model, the PCBA board is mounted in the accommodation space of the housing;
[0017] A first clamping structure is arranged in the shell, and a second clamping structure matching with the first clamping structure is arranged on the PCBA board, and the first clamping structure is clamped with the second clamping structure.
[0018] As a preferred solution of the utility model, a card slot is provided in the shell, a card protrusion is provided on the inner wall of the card slot, an opening matching the card protrusion is provided on the PCBA board, the PCBA board extends into the card slot, and the card protrusion is buckled in the opening.
[0019] As a preferred solution of the present invention, the PCBA board is fixedly connected to the housing by heat riveting or screws.
[0020] Compared with the prior art, the technical solution described in the utility model has at least one or more of the following beneficial effects:
[0021] This patent eliminates the indispensable light guide and reflector parts in the prior art, and makes the rear shell into a reflective piece or the inner wall of the rear shell into a reflective surface to replace the original optical system of the light guide or reflector. When the light source shines on the inner wall of the rear shell, the light will be reflected onto the luminous surface of the diffusion material, thereby forming a lighting effect. The technical solution of this patent requires a smaller space, which is conducive to the miniaturization of the product and convenient for customers' design.
[0022] Compared with the prior art, the width of the light emitted by this patent is wider and can be suitable for the illumination effect of a wider light-emitting surface.
[0023] In addition to using reflective elements, the rear shell can also be plated on the inner surface of the shell to achieve a reflective effect without adding parts, effectively reducing costs.
[0024] The PCBA board is installed in the housing by snap-fitting. This connection method is simple and convenient, and can quickly and accurately position the PCBA board and the housing.
[0025] 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
[0026] 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.
[0027] Figure 1 It is a schematic diagram of the radial cross-sectional structure of an automobile interior lamp in the prior art;
[0028] Figure 2 It is a schematic diagram of a radial cross-sectional structure of another automotive interior lamp in the prior art;
[0029] Figure 3 This is a schematic diagram of a radial cross-sectional structure of an embodiment of the low-cost interior lamp of the utility model;
[0030] Figure 4 It is a schematic diagram of a radial cross-sectional structure of another embodiment of the low-cost interior lamp of the utility model;
[0031] Figure 5 It is a schematic diagram of the radial cross-sectional structure of another embodiment of the low-cost interior lamp of the utility model.
[0032] Among them, 1-shell, 2-diffuser, 3-light source, 4-PCBA board, 11-front shell, 12-rear shell, 13-accommodating space, 14-reflective surface, 141-plating, 15-light outlet, 16-card slot, 17-card convex, 21-light emitting surface, 41-opening, 91-upper shell, 92-lower shell, 93-diffuser, 94-LED lamp, 95-light guide, 96-reflector. DETAILED DESCRIPTION
[0033] 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.
[0034] 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.
[0035] 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.
[0036] 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.
[0037] Please refer to Figure 3-5 It should be noted that the length of the low-cost interior lamp is Figure 3-5 The direction perpendicular to the paper surface. Figure 3-5 As shown, the utility model provides a low-cost interior lamp, comprising a housing 1, a diffusion material 2 and a light source 3;
[0038] The housing 1 includes a front housing 11 and a rear housing 12. The front housing 11 and the rear housing 12 together form a receiving space 13. A light outlet 15 is provided on the housing 1.
[0039] The light emitting surface 21 of the diffuser 2 is disposed at or close to the light outlet 15, and at least a portion of the inner wall of the rear housing 12 facing the light emitting surface 21 of the diffuser 2 is a reflective surface 14;
[0040] The light source 3 is fixedly disposed in the accommodating space 13 and faces the reflective surface 14 . The light emitted by the light source 3 is reflected by the reflective surface 14 and irradiated onto the light emitting surface 21 of the diffusion material 2 of the light outlet 15 .
[0041] This patent eliminates the indispensable light guide and reflector parts in the prior art, and makes the rear shell into a reflective piece or the inner wall of the rear shell into a reflective surface to replace the original optical system of the light guide or reflector. When the light source shines on the inner wall of the rear shell, the light will be reflected onto the luminous surface of the diffusion material, thereby forming a lighting effect. The technical solution of this patent requires a smaller space, which is conducive to the miniaturization of the product and convenient for customers' design.
[0042] Compared with the prior art, the width of the light emitted by this patent is wider and can be suitable for the illumination effect of a wider light-emitting surface.
[0043] Preferably, the reflective surface 14 is a curved surface, and the concave surface of the curved surface faces the light-emitting surface 21 of the diffusion material 2 .
[0044] Preferably, the front housing 11 and the rear housing 12 are snap-connected. In the example, the front housing 11 is approximately a U-shaped housing, and the light outlet is opened at the bottom of the U. In the example, the rear housing 12 is a special-shaped housing.
[0045] In a preferred embodiment, the light emitting surface 21 of the diffuser 2 is disposed at the light outlet 15, and the front housing 11 is integrally connected with the light emitting surface 21 of the diffuser 2. Specifically, the front housing 11 is integrally connected with the light emitting surface 21 of the diffuser 2 by double-color injection molding.
[0046] A preferred example is Figure 3 As shown, the rear housing 12 is a reflector, and the reflective surface 14 is the inner wall portion of the rear housing 12 facing the luminous surface 21 of the diffuser 2. Preferably, the rear housing 12 is a reflector. In the example, the rear housing 12 is a white plastic reflector.
[0047] A preferred example is Figure 4 As shown, the inner wall portion of the rear shell 12 facing the luminous surface 21 of the diffuser 2 is provided with a plating layer 141 or a coating, and the surface of the plating layer 141 or the coating is a reflective surface 14. Preferably, the plating layer 141 or the coating is a white reflective layer, and further preferably, the plating layer 141 is a white metal plating layer. In the example, the inner wall of the rear shell 12 is aluminum-plated to form an aluminum-plated layer to achieve a reflective effect. In the example, the rear shell is a black plastic part.
[0048] In addition to using reflective elements, the rear shell can also be plated on the inner surface of the shell to achieve a reflective effect without adding parts, effectively reducing costs.
[0049] In a preferred embodiment, a PCBA board 4 is further included. The PCBA board 4 is fixedly accommodated in the accommodation space 13 , and the light source 3 is fixedly electrically connected to the PCBA board 4 .
[0050] An example, such as Figure 3-4 As shown, the PCBA board 4 is fixedly welded in the housing 1. Specifically, the PCBA board 4 is fixedly welded on the rear housing 12.
[0051] An example, such as Figure 5 As shown, the PCBA board 4 is snap-fitted and installed in the accommodating space 13 of the housing 1; a first snap-fit structure is provided in the housing 1, and a second snap-fit structure matching the first snap-fit structure is provided on the PCBA board 4, and the first snap-fit structure is snap-fitted with the second snap-fit structure. In the example, a slot 16 is provided in the housing 1, and a protrusion 17 is provided on the inner wall of the slot 16. An opening 41 matching the protrusion 17 is provided on the PCBA board 4, and the PCBA board 4 extends into the slot 16, and the protrusion 17 is snapped into the opening 41. In the example, the slot 16 is fixedly provided on the rear housing 12. This connection method is simple and convenient, and can quickly and accurately position the PCBA board 4 and the housing 1.
[0052] In the example, the PCBA board 4 is fixedly connected to the housing 1 by heat riveting or screws.
[0053] The PCBA board can be welded or snapped into the shell for flexible use.
[0054] 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.
[0055] 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.
[0056] 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. A low-cost interior lamp, characterized in that: It comprises a housing (1), a diffusion material (2) and a light source (3); The housing (1) comprises a front housing (11) and a rear housing (12), the front housing (11) and the rear housing (12) together form a receiving space (13), and a light outlet (15) is provided on the housing (1); The light-emitting surface (21) of the diffusion material (2) is arranged at or close to the light outlet (15), and at least the portion of the inner wall of the rear housing (12) facing the diffusion material (2) is a light-reflecting surface (14); The light source (3) is fixedly disposed in the accommodating space (13), and faces the reflective surface (14). The light emitted by the light source (3) is reflected by the reflective surface (14) and then irradiated onto the diffusion material (2) at the light outlet (15).
2. The low-cost interior lamp according to claim 1, characterized in that: The light-emitting surface (21) of the diffusion material (2) is arranged at the light outlet (15), the light outlet (15) is opened on the front shell (11), and the front shell (11) and the light-emitting surface (21) of the diffusion material (2) are integrally connected.
3. The low-cost interior lamp according to claim 2, characterized in that: The front housing (11) and the light-emitting surface (21) of the diffusion material (2) are connected by two-color injection molding.
4. The low-cost interior lamp according to claim 1, characterized in that: The reflective surface (14) is a curved surface, and the concave surface of the curved surface faces the light-emitting surface (21) of the diffusion material (2).
5. The low-cost interior lamp according to claim 1, characterized in that: The rear shell (12) is a reflective member, and the reflective surface (14) is the inner wall portion of the rear shell (12) facing the luminous surface (21) of the diffusion material (2).
6. The low-cost interior lamp according to claim 1, characterized in that: The inner wall portion of the rear housing (12) facing the light-emitting surface (21) of the diffusion material (2) is provided with a plating layer (141) or a coating layer, and the surface of the plating layer (141) or the coating layer is a reflective surface (14).
7. The low-cost interior lamp according to claim 1, characterized in that: It also includes a PCBA board (4), which is fixedly accommodated in the accommodating space (13), and the light source (3) is fixedly electrically connected to the PCBA board (4).
8. The low-cost interior lamp according to claim 7, characterized in that: The PCBA board (4) is snap-fitted and installed in the accommodation space (13) of the housing (1); A first snap-fit structure is arranged in the shell, and the PCBA board (4) is provided with a second snap-fit structure matched with the first snap-fit structure, and the first snap-fit structure and the second snap-fit structure are snap-fitted.
9. The low-cost interior lamp according to claim 7, characterized in that: A card slot (16) is provided in the housing (1), a card protrusion (17) is provided on the inner wall of the card slot (16), an opening (41) matching the card protrusion (17) is provided on the PCBA board (4), the PCBA board (4) extends into the card slot (16), and the card protrusion (17) is buckled in the opening (41).
10. The low-cost interior lamp according to claim 7, characterized in that: The PCBA board (4) is fixedly connected to the housing (1) by means of heat riveting or screws.