Electric vehicle headlamp lens facilitating heat dissipation
By combining an aluminum frame, a cooling fan, and fins, the problem of insufficient heat dissipation in electric vehicle headlight lenses is solved, achieving efficient heat dissipation, extending the lifespan of LED beads, and preventing lens damage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN YUANZI OPTICS CO LTD
- Filing Date
- 2025-08-13
- Publication Date
- 2026-06-02
AI Technical Summary
Insufficient heat dissipation in electric vehicle headlight lenses during prolonged use can lead to overheating, affecting the lifespan of LED chips and potentially causing lens deformation or melting.
It adopts a combination structure of aluminum base frame, cooling fan, and first and second heat dissipation fins. The cooling fan drives airflow to contact the fins, achieving efficient heat dissipation of the lens interior. The heat dissipation effect is optimized by combining ventilation holes and solenoid valve switching components.
It effectively reduces the internal temperature of the lens, extends the life of LED beads, prevents lens deformation or melting, and improves the heat dissipation efficiency of the headlight.
Smart Images
Figure CN224315969U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electric vehicle headlight lens technology, specifically an electric vehicle headlight lens that facilitates heat dissipation. Background Technology
[0002] Electric vehicle headlight lenses refer to optical elements installed in front of the headlight light source (such as LED beads or halogen bulbs) of electric vehicles (usually two-wheeled or three-wheeled electric motorcycles and electric bicycles). They are made of transparent optical materials (usually PC polycarbonate or PMMA acrylic, and a few high-end ones use glass). Their core function is to accurately converge, refract, distribute and control the light emitted by the light source to form a light pattern that meets regulatory requirements, provides good lighting effect and is not dazzling (such as a clear light and dark dividing line at the low beam cutoff).
[0003] When electric vehicle headlight lenses are in use, the lamp panel is on for extended periods, and insufficient heat dissipation can easily lead to overheating. This not only affects the lifespan of the LED beads, but also causes lens deformation, light decay, or even melting if the temperature exceeds 90°C for a long time. Therefore, the heat dissipation function of an electric vehicle headlight lens that facilitates heat dissipation is crucial. Based on this, in order to achieve efficient heat dissipation of an electric vehicle headlight lens that facilitates heat dissipation, this paper provides an electric vehicle headlight lens that facilitates heat dissipation. Utility Model Content
[0004] The purpose of this invention is to provide an electric vehicle headlight lens that facilitates heat dissipation in order to solve the problems mentioned above.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a heat-dissipating electric vehicle headlight lens, comprising a headlight assembly consisting of an aluminum base, a front connecting seat, a lens, and a high beam reflector. The high beam reflector is mounted on the top of the aluminum base. The front connecting seat is bolted to the outside of the aluminum base and extends to fit over the outside of the high beam reflector. The lens is mounted inside the front connecting seat and protrudes to the front end of the front connecting seat. A cooling fan is fixedly mounted at the rear end of the aluminum base. A first heat dissipation fin is fixed to the outside of the high beam reflector. A second heat dissipation fin is fixed to the lower surface of the aluminum base. The air outlet of the cooling fan is aligned with the areas where the first and second heat dissipation fins are located. The operation of the cooling fan drives airflow to contact the first and second heat dissipation fins, the lower surface of the aluminum base, and the outer wall of the high beam reflector, thereby achieving heat dissipation of the inner cavity of the aluminum base and the inner cavity of the high beam reflector.
[0006] As a further embodiment of this utility model: the first heat dissipation fins are evenly arranged in multiple quantities along the arc-shaped trajectory of the high beam reflector, and the second heat dissipation fins are evenly arranged in multiple quantities along the transverse direction of the aluminum base frame.
[0007] As a further improvement of this utility model, an arc-shaped cavity is formed at the end of one or more of the first heat dissipation fins near the cooling fan.
[0008] As a further improvement of this utility model: the first heat dissipation fin protrudes from the front end of the high beam reflector and extends to the inside of the front connector. The inside of the front connector is provided with a plurality of ventilation holes in a ring around the lens, and the ventilation holes penetrate the front end of the front connector.
[0009] As a further embodiment of this utility model: the aluminum base frame has a hollow structure inside and is equipped with a drive plate, the front end of the aluminum base frame is also equipped with a solenoid valve switching component, and the top of the inner cavity of the aluminum base frame is equipped with a low beam reflector located directly below the high beam reflector.
[0010] Light panels are installed on the upper and lower surfaces of the aluminum base frame at positions corresponding to the high beam reflector and the low beam reflector, respectively.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] By setting up a high beam reflector with a first heat dissipation fin and a second heat dissipation fin, the cooling fan drives air to flow towards the front connector. The flowing air comes into contact with the surfaces of the first heat dissipation fin, the high beam reflector, the aluminum base frame, and the second heat dissipation fin, achieving heat exchange. This cools the space where the lamp board and the driver board are located. In addition, the air flowing through the first heat dissipation fin can enter the inner cavity of the front connector and flow out through the ventilation holes, thereby exchanging heat in the inner cavity of the front connector. In this way, efficient heat dissipation of the headlight lens of the electric vehicle can be achieved. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the front end of this utility model;
[0015] Figure 3 This is a bottom view of the bottom structure of this utility model;
[0016] Figure 4 This is a schematic diagram of the structure of the first heat dissipation fin and the high beam reflector of this utility model.
[0017] In the diagram: 1. Headlight assembly; 101. Aluminum base frame; 102. Front connector; 103. Lens; 104. Ventilation hole; 105. High beam reflector; 106. First heat dissipation fin; 2. Cooling fan; 3. Second heat dissipation fin. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] Please see Figures 1-4 In this embodiment of the present invention, an electric vehicle headlight lens that facilitates heat dissipation includes a headlight assembly 1 composed of an aluminum base 101, a front connecting seat 102, a lens 103, and a high beam reflector 105. The high beam reflector 105 is mounted on the top of the aluminum base 101. The front connecting seat 102 is bolted to the outside of the aluminum base 101 and extends to fit over the outside of the high beam reflector 105. The lens 103 is mounted inside the front connecting seat 102 and protrudes to the front end of the front connecting seat 102. A diffuser is fixedly mounted at the rear end of the aluminum base 101. The cooling fan 2 has a first heat dissipation fin 106 fixed on the outside of the high beam reflector 105, and a second heat dissipation fin 3 fixed on the lower surface of the aluminum base frame 101. The air outlet of the cooling fan 2 is aligned with the area where the first heat dissipation fin 106 and the second heat dissipation fin 3 are located. The operation of the cooling fan 2 drives the airflow to contact the first heat dissipation fin 106, the second heat dissipation fin 3, the lower surface of the aluminum base frame 101, and the outer wall of the high beam reflector 105, so as to realize the heat dissipation operation of the inner cavity of the aluminum base frame 101 and the inner cavity of the high beam reflector 105.
[0020] Multiple first heat dissipation fins 106 are evenly arranged along the arc-shaped trajectory of the high beam reflector 105, and multiple second heat dissipation fins 3 are evenly arranged along the transverse direction of the aluminum base frame 101.
[0021] The aluminum base frame 101 has a hollow internal structure and is equipped with a drive plate. A solenoid valve switching assembly is also installed at the front end of the aluminum base frame 101. A low beam reflector is installed at the top of the inner cavity of the aluminum base frame 101, directly below the high beam reflector 105.
[0022] Light panels are installed on the upper and lower surfaces of the aluminum base frame 101 at positions corresponding to the high beam reflector 105 and the low beam reflector, respectively;
[0023] The first heat dissipation fin 106 protrudes from the front end of the high beam reflector 105 and extends to the inside of the front connector 102. Multiple ventilation holes 104 are provided in a ring around the lens 103 on the inside of the front connector 102. The ventilation holes 104 penetrate the front end of the front connector 102.
[0024] In this embodiment: When the electric vehicle headlight lens is in operation, the switching between the two lamp panels is controlled by the drive board. In addition, the solenoid valve switching assembly includes a light-shielding plate controlled by a solenoid valve (or stepper motor) to coordinate with the operation for switching between high and low beams.
[0025] Low beam mode: The solenoid valve drives the light shield to drop, blocking part of the light and forming a low beam pattern with a clear cutoff line;
[0026] High beam mode: The light shield is raised (or moved away), and the blocked light is released. At the same time, the high beam reflector 105 above the lens also works to form a concentrated high beam.
[0027] At the same time, the cooling fan 2 runs synchronously, driving air to flow towards the forward connector 102. During this process, the flowing air comes into contact with the surfaces of the first heat dissipation fin 106, the high beam reflector 105, the aluminum base frame 101, and the second heat dissipation fin 3, thus achieving heat exchange. In this way, the space where the lamp board and the driver board are located can be cooled.
[0028] In addition, the air flowing through the first heat dissipation fin 106 can enter the inner cavity of the front connector 102 and flow out through the ventilation hole 104, thereby exchanging heat with the inner cavity of the front connector 102. In this way, efficient heat dissipation of the headlight lens of the electric vehicle can be achieved.
[0029] Please refer to this carefully. Figures 1-4 Multiple first heat dissipation fins 106 have arc-shaped cavities formed at one end near the cooling fan 2.
[0030] In this embodiment: This structure allows air to flow faster in the arc-shaped cavity area between multiple first heat dissipation fins 106, enabling the air to better absorb heat from the surface of the aluminum base frame 101.
[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A heat-dissipating electric vehicle headlight lens, comprising a headlight assembly (1) consisting of an aluminum base (101), a front connecting seat (102), a lens (103), and a high beam reflector (105), wherein the high beam reflector (105) is mounted on the top of the aluminum base (101), the front connecting seat (102) is bolted to the outside of the aluminum base (101) and extends to fit over the outside of the high beam reflector (105), and the lens (103) is mounted inside the front connecting seat (102) and protrudes to the front end of the front connecting seat (102), characterized in that, A cooling fan (2) is fixedly installed at the rear end of the aluminum base frame (101). A first heat dissipation fin (106) is fixed on the outer side of the high beam reflector (105). A second heat dissipation fin (3) is fixed on the lower surface of the aluminum base frame (101). The air outlet of the cooling fan (2) is aligned with the area where the first heat dissipation fin (106) and the second heat dissipation fin (3) are located. The cooling fan (2) drives the airflow to contact the first heat dissipation fin (106), the second heat dissipation fin (3), the lower surface of the aluminum base frame (101), and the outer wall of the high beam reflector (105) to achieve heat dissipation operation of the inner cavity of the aluminum base frame (101) and the inner cavity of the high beam reflector (105).
2. The electric vehicle headlight lens for easy heat dissipation according to claim 1, characterized in that, The first heat dissipation fins (106) are evenly arranged in multiple ways along the arc-shaped trajectory of the high beam reflector (105), and the second heat dissipation fins (3) are evenly arranged in multiple ways along the transverse direction of the aluminum base frame (101).
3. The electric vehicle headlight lens for easy heat dissipation according to claim 2, characterized in that, Multiple first heat dissipation fins (106) have arc-shaped cavities formed at the end near the cooling fan (2).
4. The electric vehicle headlight lens for easy heat dissipation according to claim 1, characterized in that, The first heat dissipation fin (106) protrudes from the front end of the high beam reflector (105) and extends to the inside of the front connector (102). The inside of the front connector (102) is provided with a plurality of ventilation holes (104) in a ring around the lens (103). The ventilation holes (104) penetrate the front end of the front connector (102).
5. The electric vehicle headlight lens for easy heat dissipation according to claim 1, characterized in that, The aluminum base frame (101) has a hollow structure inside and is equipped with a drive plate. The front end of the aluminum base frame (101) is also equipped with a solenoid valve switching assembly. The top of the inner cavity of the aluminum base frame (101) is located directly below the high beam reflector (105) and a low beam reflector is installed thereon. The upper and lower surfaces of the aluminum base frame (101) are respectively equipped with light panels at positions corresponding to the high beam reflector (105) and the low beam reflector.