Waterproof LED automobile lamp
By designing a double-sealed structure and a venting device in LED automotive lights, the problem of water and dust ingress in harsh environments is solved, achieving excellent waterproof, dustproof, and ventilated effects, thus improving the safety and appearance of the lights.
Patent Information
- Application Number
- CN202422974948.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Car lights are susceptible to water and dust in harsh environments, which can affect lighting and signal performance, obstruct vision, and impact driving safety and appearance.
A waterproof LED automotive light was designed, employing a double-sealed structure and a venting device, including a venting membrane, an activated carbon filter, and a dust filter. The venting device enables gas exchange, maintains pressure balance inside and outside the light, and prevents water and dust from entering.
It effectively prevents water and dust from entering, maintains the ventilation of the headlights, reduces internal temperature, improves safety and aesthetics, and ensures that the lights work normally in harsh environments.
Smart Images
Figure CN223499386U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of automotive lighting technology, and in particular relates to a waterproof LED automotive light. Background Technology
[0002] Automotive lights primarily serve the functions of illumination and signaling in automobiles. With the rapid development of the automotive industry, automotive lights have an increasingly significant impact on the functionality and appearance of vehicles. They are both functional and aesthetic components, greatly enhancing the overall appearance of the vehicle and even becoming a hallmark of a car manufacturer's individuality. They are a striking decorative element and a distinguishing feature between different models. Water ingress into automotive lights significantly impacts both the function and appearance of the vehicle, directly affecting lighting and signaling performance, and severely impairing the driver's visibility and judgment of surrounding conditions. The sealing performance of automotive lights determines their waterproof and dustproof capabilities, which is one of the key indicators affecting the overall performance of the vehicle.
[0003] Because cars are constantly exposed to various harsh weather conditions, road conditions, and environments that may affect their driving performance, splashes of water, humidity, and dust can reduce the performance of headlights, thereby affecting their appearance and safety. Utility Model Content
[0004] The purpose of this invention is to provide a waterproof LED automotive light to solve the technical problems mentioned in the background art.
[0005] To achieve the above objectives, the specific technical solution of this utility model is as follows: A waterproof LED automotive lamp includes a lamp housing, an LED lamp core installed in the middle of the inner cavity of the lamp housing, a lamp cover installed at the opening of the lamp housing, a first sealing structure provided between the lamp cover and the lamp housing, three orderly distributed through holes provided on the inner wall of the lamp housing, a venting device installed at each through hole, the venting device including a fixing frame, a cylindrical tube provided in the middle of the inner cavity of the fixing frame, the cylindrical tube passing through the through hole, a first venting membrane provided at one end of the cylindrical tube located in the inner cavity of the lamp housing, and a ring sleeved at the other end of the cylindrical tube extending to the outer side of the back of the lamp housing, an activated carbon filter, a second venting membrane and a dust filter being arranged sequentially from the inside to the outside of the inner cavity of the ring, and a second sealing structure provided between the fixing frame and the lamp housing.
[0006] Preferably, the outer wall of the lamp housing is provided with a plurality of orderly distributed first trapezoidal grooves, and the edge side wall of the lamp shade is provided with a plurality of first trapezoidal inserts that correspond one-to-one with the first trapezoidal grooves, wherein the size of the first trapezoidal inserts matches the size of the first trapezoidal grooves.
[0007] Preferably, the first sealing structure includes a first sealing ring and a first sealing edge. The inner wall of the lamp housing is provided with a first inner edge, the first sealing ring is installed on the first inner edge, the opening sidewall of the lamp housing is provided with a first sealing groove along its path direction, and the inner sidewall of the lamp cover is provided with a first sealing edge corresponding to the first sealing groove. The size of the first sealing edge matches the size of the first sealing groove.
[0008] Preferably, the inner cavity of the lamp housing is provided with a plurality of orderly distributed positioning rods on one side of the first inner edge, and the inner sidewall of the first sealing ring is provided with a plurality of positioning caps that correspond one-to-one with the positioning rods.
[0009] Preferably, the second sealing structure includes a second sealing ring and a second sealing edge. The second sealing ring is fixedly sleeved on the cylindrical tube. The inner wall of the through hole is provided with a second inner edge. The second sealing ring is distributed correspondingly to the second inner edge. The inner wall of the lamp housing is provided with a second sealing groove located outside the second inner edge. The inner side wall of the fixing frame is provided with a second sealing edge distributed correspondingly to the second sealing groove. The size of the second sealing edge matches the size of the second sealing groove.
[0010] Preferably, the inner wall of the lamp housing is provided with four positioning posts arranged in a circular array on the outer side of the second sealing groove, and the inner walls of the four corners of the fixing frame are provided with positioning holes that correspond one-to-one with the positioning posts, and the size of the positioning holes matches the size of the positioning posts.
[0011] Preferably, the outer wall of the end of the cylindrical tube is provided with a plurality of second trapezoidal grooves arranged in a circumferential array, the outer end of the ring is provided with a protruding edge, and the protruding edge is provided with second trapezoidal inserts that correspond one-to-one with the second trapezoidal grooves, the size of the second trapezoidal inserts matching the size of the second trapezoidal grooves.
[0012] Preferably, the outer diameter of the ring matches the inner diameter of the cylinder, and the outer diameter of the convex edge is equal to the outer diameter of the cylinder.
[0013] The waterproof LED automotive light of this invention has the following advantages:
[0014] 1. This utility model solves the problem of ventilation in automotive lamps, while also providing good waterproof and dustproof performance. Through the design of the ventilation device, rapid air exchange is achieved after pressure changes caused by localized heat inside the lamp, effectively ensuring air circulation within the lamp, reducing the internal temperature, and thus reducing the convection of hot and cold gases inside the lamp, lowering the probability of fogging on the inner surface. Simultaneously, its excellent water-proof performance prevents the entry of dust, splashes of water, and other foreign matter, ensuring both the aesthetics and safety of the lamp.
[0015] 2. When the lampshade is installed on the lamp housing, the first sealing edge will be inserted into the first sealing groove, and the first sealing ring will be in close contact with the lampshade, thereby achieving a double sealing structure, which can effectively prevent external dust and water from entering the lamp housing, and has a good sealing effect. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a structural schematic diagram of the lamp housing from another perspective in this utility model;
[0019] Figure 3 This is an exploded view of the lamp housing and the ventilation device in this utility model;
[0020] Figure 4 This is a schematic diagram of the air-permeable device in this utility model.
[0021] The markings in the diagram are as follows: 1. Lamp housing; 2. Lampshade; 3. LED chip; 4. First trapezoidal groove; 5. First sealing groove; 6. First trapezoidal insert; 7. First sealing edge; 8. First sealing ring; 9. Positioning rod; 10. Ventilation device; 11. Through hole; 12. First inner edge; 13. Positioning cap; 14. Second inner edge; 15. Second sealing groove; 16. Positioning post; 17. Fixing frame; 18. Cylindrical tube; 19. Second sealing ring; 20. Second sealing edge; 21. Positioning hole; 22. First breathable membrane; 23. Second trapezoidal groove; 24. Protruding edge; 25. Ring; 26. Activated carbon filter; 27. Second breathable membrane; 28. Dustproof filter; 29. Second trapezoidal insert. Detailed Implementation
[0022] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.
[0023] In the description of the embodiments of this utility model, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.
[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0025] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," 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, an electrical connection, or a communication 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 embodiment of the invention according to the specific circumstances.
[0026] The following disclosure provides many different implementations or examples for different structures of the embodiments of the present invention. To simplify the disclosure of the embodiments of the present invention, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of the present invention; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed.
[0027] To better understand the purpose, structure, and function of this utility model, a waterproof LED car light of this utility model will be described in further detail below with reference to the accompanying drawings.
[0028] like Figure 1-4As shown, this utility model discloses a waterproof LED car light, including a lamp housing 1. An LED lamp core 3 is installed in the middle of the inner cavity of the lamp housing 1. A lamp cover 2 is installed at the opening of the lamp housing 1. The outer wall of the lamp housing 1 is provided with a plurality of orderly distributed first trapezoidal grooves 4. The side wall of the lamp cover 2 is provided with a plurality of first trapezoidal inserts 6 that correspond one-to-one with the first trapezoidal grooves 4. The size of the first trapezoidal inserts 6 matches the size of the first trapezoidal grooves 4. Through the cooperation between the first trapezoidal inserts 6 and the first trapezoidal grooves 4, when installing the lamp cover 2, the first trapezoidal inserts 6 are inserted into the corresponding first trapezoidal grooves 4, so that the lamp cover 2 and the lamp housing 1 are tightly connected together. A first sealing structure is provided between the lampshade 2 and the lamp housing 1. The first sealing structure includes a first sealing ring 8 and a first sealing edge 7. The inner wall of the lamp housing 1 is provided with a first inner edge 12. The first sealing ring 8 is installed on the first inner edge 12. The opening sidewall of the lamp housing 1 is provided with a first sealing groove 5 along its path direction. The inner sidewall of the lampshade 2 is provided with a first sealing edge 7 corresponding to the first sealing groove 5. The size of the first sealing edge 7 matches the size of the first sealing groove 5. When the lampshade 2 is installed on the lamp housing 1, the first sealing edge 7 will be inserted into the first sealing groove 5, and the first sealing ring 8 will be in close contact with the lampshade 2, thereby achieving a double sealing structure, which can effectively prevent external dust and water from entering the interior of the lamp housing 1, and the sealing effect is good. The inner cavity of the lamp housing 1 is provided with a plurality of orderly distributed positioning rods 9 on one side of the first inner edge 12. The inner side wall of the first sealing ring 8 is provided with a plurality of positioning caps 13 that correspond one-to-one with the positioning rods 9. Through the cooperation between the positioning caps 13 and the positioning rods 9 on the first sealing ring 8, it is convenient to position and install the first sealing ring 8, and it can effectively prevent the first sealing ring 8 from moving, which is convenient for assembly.
[0029] The inner wall of the lamp housing 1 has three orderly distributed through holes 11. A venting device 10 is installed at each through hole 11. The venting device 10 includes a fixed frame 17. A cylindrical tube 18 is located in the middle of the fixed frame 17, passing through the through hole 11. A first venting membrane 22 is located at one end of the cylindrical tube 18 within the inner cavity of the lamp housing 1. The other end of the cylindrical tube 18 extends to the outer side of the back of the lamp housing 1 and is fitted with a ring 25. An activated carbon filter 26, a second venting membrane 27, and a dust filter 28 are sequentially arranged from the inside to the outside of the ring 25. A second sealing structure is provided between the fixed frame 17 and the lamp housing 1. The second sealing structure includes a second sealing ring 19 and a second sealing edge 20. Two sealing rings 19 are fixedly sleeved on the cylindrical tube 18. The inner wall of the through hole 11 is provided with a second inner edge 14. The second sealing rings 19 and the second inner edge 14 are distributed accordingly. The inner wall of the lamp housing 1 is provided with a second sealing groove 15 located outside the second inner edge 14. The inner side wall of the fixing frame 17 is provided with a second sealing edge 20 distributed corresponding to the second sealing groove 15. The size of the second sealing edge 20 matches the size of the second sealing groove 15. Through the cooperation between the second sealing edge 20 and the second sealing groove 15, and the cooperation between the second sealing ring 19 and the second inner edge 14, the connection between the venting device 10 and the lamp housing 1 is more tight and firm. The cylindrical tube 18 and the through hole 11 are fixed by adhesive. The inner wall of the lamp housing 1 is provided with four positioning posts 16 arranged in a circular array on the outer side of the second sealing groove 15. The inner walls of the four corners of the fixing frame 17 are provided with positioning holes 21 that correspond one-to-one with the positioning posts 16. The size of the positioning holes 21 matches the size of the positioning posts 16. Through the cooperation between the positioning posts 16 and the positioning holes 21, the fixing frame 17 can be quickly positioned when the ventilation device 10 is installed, making the installation more stable and reliable. The outer wall of the cylindrical tube 18 is provided with a plurality of second trapezoidal grooves 23 arranged in a circumferential array. The outer end of the ring 25 is provided with a protruding edge 24, on which are provided second trapezoidal inserts 29 corresponding to the second trapezoidal grooves 23. The size of the second trapezoidal inserts 29 matches the size of the second trapezoidal grooves 23. The engagement between the second trapezoidal inserts 29 and the second trapezoidal grooves 23 facilitates the disassembly and installation of the ring 25. Since the ring 25 is located on the outside of the lamp housing 1, the activated carbon filter 26, the second breathable membrane 27, and the dust filter 28 are easily contaminated by dust. This facilitates the removal of the ring 25 for cleaning or replacement, thereby improving the ventilation and drainage inside the lamp housing 1. The outer diameter of the ring 25 matches the inner diameter of the cylindrical tube 18, and the outer diameter of the protruding edge 24 is equal to the outer diameter of the cylindrical tube 18.
[0030] When the headlights are on, the temperature of the gas inside the lamp housing 1 rises. The gas enters the ventilation device through the first ventilation membrane 22, absorbs some of the moisture in the gas through the activated carbon filter 26, and then exits through the second ventilation membrane 27 and the dust filter 28, thus balancing the pressure inside and outside the lamp. Conversely, when the headlights are off, the temperature inside the lamp housing 1 decreases, and the pressure inside the lamp housing 1 decreases. The outside gas enters through the dust filter 28, passes through the second ventilation membrane 27 and the activated carbon filter 26 to absorb the moisture in the gas, and then enters the lamp housing 1 through the first ventilation membrane 22, thus balancing the pressure inside and outside the lamp housing 1.
[0031] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.
Claims
1. A waterproof LED automotive light, characterized in that: The lamp includes a lamp housing (1), an LED lamp core (3) is installed in the middle of the inner cavity of the lamp housing (1), a lamp cover (2) is installed at the opening of the lamp housing (1), a first sealing structure is provided between the lamp cover (2) and the lamp housing (1), and three orderly distributed through holes (11) are provided on the inner wall of the lamp housing (1), and a venting device (10) is installed at each of the through holes (11); wherein, The ventilation device (10) includes a fixed frame (17), and a cylindrical tube (18) is provided in the middle of the interior of the fixed frame (17). The cylindrical tube (18) passes through the through hole (11). A first ventilation membrane (22) is provided at one end of the cylindrical tube (18) located in the inner cavity of the lamp housing (1). The other end of the cylindrical tube (18) extends to the outer side of the back of the lamp housing (1) and is fitted with a ring (25). An activated carbon filter (26), a second ventilation membrane (27) and a dust filter (28) are arranged sequentially from the inside to the outside of the inner cavity of the ring (25). A second sealing structure is provided between the fixed frame (17) and the lamp housing (1).
2. The waterproof LED automotive light according to claim 1, characterized in that: The outer wall of the lamp housing (1) is provided with a plurality of orderly distributed first trapezoidal grooves (4), and the side wall of the lamp shade (2) is provided with a plurality of first trapezoidal inserts (6) that correspond one-to-one with the first trapezoidal grooves (4). The size of the first trapezoidal inserts (6) matches the size of the first trapezoidal grooves (4).
3. A waterproof LED automotive light according to claim 1, characterized in that: The first sealing structure includes a first sealing ring (8) and a first sealing edge (7). The inner wall of the lamp housing (1) is provided with a first inner edge (12). The first sealing ring (8) is installed on the first inner edge (12). The opening sidewall of the lamp housing (1) is provided with a first sealing groove (5) along its path direction. The inner sidewall of the lamp shade (2) is provided with a first sealing edge (7) corresponding to the first sealing groove (5). The size of the first sealing edge (7) matches the size of the first sealing groove (5).
4. A waterproof LED automotive light according to claim 3, characterized in that: The inner cavity of the lamp housing (1) is provided with a plurality of orderly distributed positioning rods (9) on one side of the first inner edge (12), and the inner side wall of the first sealing ring (8) is provided with a plurality of positioning caps (13) that correspond one-to-one with the positioning rods (9).
5. A waterproof LED automotive light according to claim 1, characterized in that: The second sealing structure includes a second sealing ring (19) and a second sealing edge (20). The second sealing ring (19) is fixedly sleeved on the cylindrical tube (18). The inner wall of the through hole (11) is provided with a second inner edge (14). The second sealing ring (19) and the second inner edge (14) are distributed correspondingly. The inner wall of the lamp housing (1) is provided with a second sealing groove (15) located outside the second inner edge (14). The inner side wall of the fixed frame (17) is provided with a second sealing edge (20) distributed correspondingly to the second sealing groove (15). The size of the second sealing edge (20) matches the size of the second sealing groove (15).
6. A waterproof LED automotive light according to claim 1, characterized in that: The inner wall of the lamp housing (1) is provided with four positioning posts (16) arranged in a circular array outside the second sealing groove (15). The inner walls of the four corners of the fixing frame (17) are provided with positioning holes (21) that correspond one-to-one with the positioning posts (16). The size of the positioning holes (21) matches the size of the positioning posts (16).
7. A waterproof LED automotive light according to claim 1, characterized in that: The outer wall of the cylindrical tube (18) is provided with a plurality of second trapezoidal grooves (23) arranged in a circumferential array. The outer end of the ring (25) is provided with a protruding edge (24). The protruding edge (24) is provided with second trapezoidal inserts (29) that correspond one-to-one with the second trapezoidal grooves (23). The size of the second trapezoidal inserts (29) matches the size of the second trapezoidal grooves (23).
8. A waterproof LED automotive light according to claim 7, characterized in that: The outer diameter of the ring (25) matches the inner diameter of the cylindrical tube (18), and the outer diameter of the protruding edge (24) is equal to the outer diameter of the cylindrical tube (18).