LED light source module of vehicle front lamp

By introducing a heat dissipation component and a servo motor-driven fan blade structure into the LED light source module of the vehicle's front lights, the problem of low heat dissipation efficiency is solved, achieving efficient heat dissipation and convenient installation, ensuring the normal operation of the lights.

CN223663195UActive Publication Date: 2025-12-12JIANGSU FUXIN ELECTRONICS LIGHTING TECH
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Patent Information

Application Number
CN202520055505.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-12-12
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

The poor heat dissipation efficiency of the LED light source modules in existing vehicle headlights leads to overheating of the circuit board, affecting the use of the lights.

Method used

The heat dissipation component includes first and second heat sinks, a rotating shaft driven by a servo motor, and a fan blade structure. Heat is conducted through heat conduction rods and the airflow is used to accelerate heat dissipation. Combined with the servo motor driving the fan blades to rotate, airflow is generated to accelerate gas exchange, thus achieving efficient heat dissipation.

Benefits of technology

It effectively reduces circuit board temperature, improves heat dissipation efficiency, ensures normal operation of lamps, and facilitates the installation and replacement of light source modules.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223663195U_ABST
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Abstract

The utility model relates to the technical field of vehicle lighting, and discloses a vehicle front lamp LED light source module which comprises a shell, a light-emitting assembly is installed on the inner wall of the shell, a connecting base is connected to the end of the shell in a clamped mode, a base is fixedly connected to the end of the connecting base, and a heat dissipation assembly is installed on the inner wall of the base and used for dissipating heat of the shell. The heat dissipation assembly comprises a first heat dissipation plate; according to the vehicle front lamp LED light source module, heat generated in the circuit board is conducted to the surface of the heat conduction plate through the heat conduction rod, heat dissipation of the circuit board is facilitated, the servo motor is driven to drive the rotating shaft to rotate, and the rotating shaft drives the first fan blade and the second fan blade to rotate at the same time to generate wind power; wherein wind power formed by rotation of the second fan blades rapidly sucks heat generated by the heat conducting plate into an inner cavity of the connecting base, wind power formed by rotation of the first fan blades accelerates the air exchange speed of the inner cavity of the connecting base, and heat dissipation is accelerated by accelerating rapid flowing of air and heat inside and outside the shell.
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Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle lighting technical field, concretely is a vehicle headlamp LED light source module. BACKGROUND

[0002] With the development of science and technology, the lighting field gets rapid development, and the LED light source has been widely used in various lighting fields by virtue of high luminous efficiency, low power consumption, no need of high pressure, high safety and the like, in order to realize different illumination under different driving environments, the illumination lamps on the automobile usually include high beam illumination and low beam illumination in the automobile lighting technical field.

[0003] In order to facilitate the production of lamps and lanterns, the light source is usually installed in a light source module, and then the light source module is applied in various lamps and lanterns of different sizes and shapes, the light source will generate a large amount of heat when the light source module is used, the light source module in the prior art, the circuit board is respectively provided with a low beam lamp, a high beam lamp and a direction lamp, when the bulb works, a large amount of heat will be generated and gathered around the circuit board, which is easy to cause the circuit board to overheat and affect the use of the lamp. SUMMARY

[0004] In view of the defects of the prior art, the utility model provides a vehicle headlamp LED light source module, which has the advantages of convenient heat dissipation, and avoids the problem of poor heat dissipation efficiency affecting the use of the lamp.

[0005] To achieve the purpose of convenient heat dissipation, the utility model provides the following technical scheme:

[0006] A vehicle headlamp LED light source module, comprising a shell, a light emitting assembly is installed on the inner wall of the shell, a connecting seat is connected to the end of the shell, a base is fixedly connected to the end of the connecting seat, a heat dissipation assembly is installed on the inner wall of the base, the heat dissipation assembly is used for dissipating heat from the shell, and the heat dissipation assembly further comprises:

[0007] The heat dissipation assembly comprises a first heat dissipation plate, the first heat dissipation plate is fixedly installed on the bottom side wall of the connecting seat, a second heat dissipation plate is fixedly connected to the side wall of the base, a plurality of heat dissipation rings are fixedly connected to the side wall of the second heat dissipation plate, a servo motor is fixedly connected to the side wall of the second heat dissipation plate, a heat conduction plate is fixedly connected to the inner wall of the shell, a heat conduction rod is fixedly connected between the heat conduction plate and the circuit board, a rotating shaft is fixedly connected to the output end of the servo motor, a first fan blade is fixedly connected to the side wall of the rotating shaft in the inner cavity of the connecting seat, and a second fan blade is fixedly connected to the side wall of the rotating shaft in the inner cavity of the shell.

[0008] According to some embodiments, the heat dissipation rings are provided in multiple groups, the inner walls of the first heat dissipation plate and the second heat dissipation plate are provided with filter holes, and the side wall of the heat conduction plate is provided with a square opening.

[0009] According to some embodiments, the light-emitting assembly comprises a circuit board fixedly installed on the inner wall of the shell, the circuit board side wall is fixedly connected with the low beam, the high beam and the direction lamp, the inner wall of the shell is fixedly connected with a refracting mirror on the left side of the circuit board, and the side wall of the refracting mirror is arc-shaped, the inner wall of the shell is clamped with a connecting ring, and the inner wall of the connecting ring is fixedly connected with a convex mirror.

[0010] According to some embodiments, the side wall of the connecting ring is slidingly connected with a clamping column, and the clamping column can extend to the inner wall of the shell, a spring is fixedly connected between the clamping column and the connecting ring, a clamping groove is formed in the end of the shell, a sealing ring is fixedly connected on the side wall of the connecting seat, and the sealing ring can extend to the inner cavity of the clamping groove.

[0011] According to some embodiments, the side wall of the connecting seat is threadedly connected with a first fixing bolt, the first fixing bolt extends to the inner wall of the shell, the top of the shell is threadedly connected with a second fixing bolt, and the second fixing bolt extends to the inner wall of the connecting ring.

[0012] Beneficial effects

[0013] The utility model provides a kind of vehicle headlamp LED light source module, with following beneficial effects:

[0014] (1) the vehicle headlamp LED light source module, heat generated in circuit board is conducted to the surface of heat conduction plate by heat conduction rod, beneficial to circuit board heat dissipation, driving servo motor is rotated by rotating shaft, rotating shaft is simultaneously driven first fan blade and second fan blade rotation generates wind power, wherein the wind power formed by the rotation of second fan blade rapidly inhales the heat generated by heat conduction plate into connecting seat inner cavity, the wind power formed by the rotation of first fan blade will accelerate the gas exchange speed in connecting seat inner cavity, by accelerating the flow of air and heat in and out of shell, heat dissipation is accelerated;

[0015] (2) the vehicle headlamp LED light source module, spring can be pressed to the clamping column in the inner cavity of connecting ring, then connecting ring is slid to be attached with the inner wall of shell, rotating connecting ring, when the clamping column is no longer affected by the inner wall of shell, under the rebound force of spring, the clamping column is slid to the inner cavity of shell, to complete the positioning of connecting ring, so that installation or replacement convex mirror is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic view of the utility model device;

[0017] Figure 2 It is the structure schematic view (side view) of the utility model device;

[0018] Figure 3 It is the partial section structure schematic view of the utility model device;

[0019] Figure 4The utility model discloses a structure schematic drawing (side section) of device.

[0020] Figure 5 The utility model discloses a structure schematic drawing (front section) of connecting ring.

[0021] In the drawing: 1, shell; 101, connecting seat; 102, base; 2, light emitting assembly; 201, circuit board; 202, low beam; 203, high beam; 204, direction lamp; 205, connecting ring; 206, convex mirror; 207, clamping column; 208, spring; 209, refracting mirror; 3, heat dissipation assembly; 301, first heat dissipation plate; 302, second heat dissipation plate; 303, heat dissipation ring; 304, servo motor; 305, rotating shaft; 306, first fan blade; 307, heat conduction plate; 308, heat conduction rod; 309, second fan blade; 310, square mouth; 4, clamping groove; 401, sealing ring; 402, first fixed peg; 403, second fixed peg. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0023] Refer to Figures 1-5 A vehicle headlamp LED light source module, including shell 1, the inner wall of shell 1 is installed with light emitting assembly 2, shell 1 end joint has connecting seat 101, connecting seat 101 end fixedly connected with base 102, the inner wall of base 102 is installed with heat dissipation assembly 3, and heat dissipation assembly 3 is used to heat dissipation to shell 1, still include:

[0024] Heat dissipation assembly 3 includes first heat dissipation plate 301, and first heat dissipation plate 301 is fixedly installed at the bottom side wall of connecting seat 101, and the side wall of base 102 is fixedly connected with second heat dissipation plate 302, and the side wall of second heat dissipation plate 302 is fixedly connected with a plurality of heat dissipation rings 303, and the side wall of second heat dissipation plate 302 is fixedly connected with servo motor 304, and the inner wall of shell 1 is fixedly connected with heat conduction plate 307, and heat conduction rod 308 is fixedly connected between heat conduction plate 307 and circuit board 201, and the output end of servo motor 304 is fixedly connected with rotating shaft 305, and the side wall of rotating shaft 305 in the inner cavity of connecting seat 101 is fixedly connected with first fan blade 306, and the side wall of rotating shaft 305 in the inner cavity of shell 1 is fixedly connected with second fan blade 309;

[0025] The heat dissipation ring 303 is provided in multiple groups, the inner walls of the first heat dissipation plate 301 and the second heat dissipation plate 302 are provided with filter holes, and the side wall of the heat conduction plate 307 is provided with a square opening 310;

[0026] It should be noted that the light emitting assembly 2 in the inner cavity of the shell 1 is cooled by the first heat dissipation plate 301 and the second heat dissipation plate 302, wherein the first heat dissipation plate 301 inhales air and the second heat dissipation plate 302 exhales air to exchange the air in the shell 1 to achieve heat dissipation. Since the inner walls of the first heat dissipation plate 301 and the second heat dissipation plate 302 are provided with filter holes, dust can be filtered. The heat dissipation ring 303 provided on the side wall of the second heat dissipation plate 302 can accelerate the heat dissipation efficiency of the shell 1 by absorbing heat. The heat generated by the circuit board 201 can be conducted to the surface of the heat conduction plate 307 through the heat conduction rod 308. The heat exchange on both sides of the heat conduction plate 307 can be achieved through the square opening 310, which is beneficial to the heat dissipation of the circuit board 201. The first fan blade 306 and the second fan blade 309 can be driven to rotate by the driving servo motor 304, and the rotating shaft 305 can drive the first fan blade 306 and the second fan blade 309 to rotate to generate wind power. The wind power generated by the rotation of the second fan blade 309 can quickly suck the heat generated by the heat conduction plate 307 into the inner cavity of the connecting seat 101. The wind power generated by the rotation of the first fan blade 306 can accelerate the air exchange speed in the inner cavity of the connecting seat 101 to accelerate the heat dissipation.

[0027] Referring to Figures 1-5 The light emitting assembly 2 includes the circuit board 201, the circuit board 201 is fixedly installed on the inner wall of the shell 1, and the side wall of the circuit board 201 is fixedly connected with the low beam lamp 202, the high beam lamp 203 and the direction lamp 204.

[0028] The inner wall of the shell 1 on the left side of the circuit board 201 is fixedly connected with the refracting mirror 209, and the side wall of the refracting mirror 209 is provided in an arc shape. The inner wall of the shell 1 is clamped with the connecting ring 205, and the inner wall of the connecting ring 205 is fixedly connected with the convex mirror 206.

[0029] The side wall of the connecting ring 205 is slidingly connected with the clamping column 207, and the clamping column 207 can extend to the inner wall of the shell 1. The clamping column 207 and the connecting ring 205 are fixedly connected with the spring 208.

[0030] It should be noted that the low beam lamp 202, the high beam lamp 203 and the direction lamp 204 installed on the side wall of the circuit board 201 can emit light. The refracting mirror 209 can play a role in concentrating light to avoid its dispersion to the surrounding. The light is emitted to the outside of the shell 1 through the convex mirror 206. When installing the convex mirror 206, the clamping column 207 can be pressed into the inner cavity of the connecting ring 205, and then the connecting ring 205 is slid to be attached to the inner wall of the shell 1. The connecting ring 205 is rotated, and when the clamping column 207 is no longer affected by the inner wall of the shell 1, it is slid into the inner cavity of the shell 1 under the rebounding force of the spring 208 to complete the positioning and installation of the connecting ring 205, which is simple and convenient.

[0031] Referring to Figures 1-5 , the housing 1 end opening has a clamping groove 4, the connecting seat 101 side wall is fixedly connected with a sealing ring 401, and the sealing ring 401 can extend to the inner cavity of the clamping groove 4;

[0032] The connecting seat 101 side wall is threadedly connected with a first fixing bolt 402, and the first fixing bolt 402 extends to the inner wall of the housing 1;

[0033] The housing 1 top is threadedly connected with a second fixing bolt 403, and the second fixing bolt 403 extends to the inner wall of the connecting ring 205;

[0034] It should be noted that: the sealing ring 401 is used to realize the sealing between the connecting seat 101 and the housing 1, so that dust from the outside does not enter the light-emitting assembly 2 in the inner cavity of the housing 1, and affects the working state, wherein the first fixing bolt 402 can fix the housing 1 and the connecting seat 101, and the second fixing bolt 403 can fix the housing 1 and the connecting ring 205.

[0035] Operation mode: the low beam 202, the high beam 203 and the direction lamp 204 installed on the side wall of the circuit board 201 can emit light, and the refracting mirror 209 can play a role in gathering light, avoiding its dispersion to the surrounding, and the light is emitted to the outside of the housing 1 through the convex mirror 206, and when the convex mirror 206 is installed, the clamping column 207 can be pressed into the inner cavity of the connecting ring 205, and then the connecting ring 205 is slid to be attached to the inner wall of the housing 1, and the connecting ring 205 is rotated, and when the clamping column 207 is no longer affected by the inner wall of the housing 1, under the rebounding force of the spring 208, it is slid to the inner cavity of the housing 1 to complete the positioning and installation of the connecting ring 205, which is simple and convenient;

[0036] The first heat dissipation plate 301 inhales, and the second heat dissipation plate 302 exhales, so that the gas exchange in the housing 1 is completed to dissipate heat. Since the first heat dissipation plate 301 and the second heat dissipation plate 302 are provided with filter holes in the inner walls, dust will be filtered. The heat dissipation ring 303 provided on the side wall of the second heat dissipation plate 302 will speed up the heat dissipation efficiency of the housing 1 through heat absorption. The heat generated in the circuit board 201 can be conducted to the surface of the heat conduction plate 307 through the heat conduction rod 308. The heat exchange on both sides of the heat conduction plate 307 can be realized through the square port 310, which is beneficial to the heat dissipation of the circuit board 201. The driving servo motor 304 can drive the rotating shaft 305 to rotate, and the rotating shaft 305 can drive the first fan blade 306 and the second fan blade 309 to rotate to generate wind power. The wind power generated by the rotation of the second fan blade 309 can quickly suck the heat generated by the heat conduction plate 307 into the inner cavity of the connecting seat 101, and the wind power generated by the rotation of the first fan blade 306 can speed up the gas exchange speed in the inner cavity of the connecting seat 101 to speed up the heat dissipation. Through the above, the air and heat in the housing 1 flow quickly, and the heat dissipation is accelerated.

[0037] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A vehicle front light LED light source module, comprising a housing (1), characterized in that: A light-emitting component (2) is installed on the inner wall of the housing (1). A connecting seat (101) is snapped onto the end of the housing (1). A base (102) is fixedly connected to the end of the connecting seat (101). A heat dissipation component (3) is installed on the inner wall of the base (102). The heat dissipation component (3) is used to dissipate heat from the housing (1). It also includes: The heat dissipation assembly (3) includes a first heat dissipation plate (301), which is fixedly installed on the bottom side wall of the connecting seat (101). A second heat dissipation plate (302) is fixedly connected to the side wall of the base (102). A plurality of heat dissipation rings (303) are fixedly connected to the side wall of the second heat dissipation plate (302). A servo motor (304) is fixedly connected to the side wall of the second heat dissipation plate (302). A heat-conducting plate (307) is fixedly connected to the inner wall of the housing (1). A heat-conducting rod (308) is fixedly connected between the heat-conducting plate (307) and the circuit board (201). A rotating shaft (305) is fixedly connected to the output end of the servo motor (304). A first fan blade (306) is fixedly connected to the side wall of the rotating shaft (305) located in the inner cavity of the connecting seat (101). A second fan blade (309) is fixedly connected to the side wall of the rotating shaft (305) located in the inner cavity of the housing (1).

2. The vehicle front light LED light source module according to claim 1, characterized in that: The heat dissipation ring (303) is provided in multiple sets, and the inner walls of the first heat dissipation plate (301) and the second heat dissipation plate (302) are provided with filter holes. The side wall of the heat conduction plate (307) is provided with a square opening (310).

3. The vehicle front light LED light source module according to claim 2, characterized in that: The light-emitting component (2) includes a circuit board (201), which is fixedly installed on the inner wall of the housing (1). The side wall of the circuit board (201) is fixedly connected to a low beam lamp (202), a high beam lamp (203) and a turn signal (204).

4. The vehicle front light LED light source module according to claim 3, characterized in that: A refractor (209) is fixedly connected to the inner wall of the housing (1) on the left side of the circuit board (201), and the side wall of the refractor (209) is set to be arc-shaped. A connecting ring (205) is snapped into the inner wall of the housing (1), and a convex mirror (206) is fixedly connected to the inner wall of the connecting ring (205).

5. The vehicle front light LED light source module according to claim 4, characterized in that: The connecting ring (205) has a sliding connection to a locking post (207) on its side wall, and the locking post (207) can extend to the inner wall of the housing (1). A spring (208) is fixedly connected between the locking post (207) and the connecting ring (205).

6. The vehicle front light LED light source module according to claim 5, characterized in that: The housing (1) has a slot (4) at one end, and a sealing ring (401) is fixedly connected to the side wall of the connecting seat (101), and the sealing ring (401) can extend into the inner cavity of the slot (4).

7. The vehicle front light LED light source module according to claim 6, characterized in that: The side wall of the connecting seat (101) is threaded with a first fixing bolt (402), which extends to the inner wall of the housing (1).

8. The vehicle front light LED light source module according to claim 7, characterized in that: The top of the housing (1) is threaded with a second fixing bolt (403), which extends to the inner wall of the connecting ring (205).