Active heat dissipation LED vehicle lamp

By designing the combination of the first heat dissipation wing, the thermal column, the second heat dissipation wing, the heat dissipation port, the heat dissipation fan and the waterproof and breathable film in the LED headlights, the problem of damage to the heat dissipation components caused by the heat generation of water vapor in the LED headlights is solved, and more efficient heat dissipation and waterproofing effects are achieved.

CN222836724UActive Publication Date: 2025-05-06ZHENJIANG SHANGWO ELECTRONICS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421811830.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-05-06
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

Existing active heat dissipation LED headlights are prone to water vapor due to heat after long-term use, resulting in heat dissipation components being easily infringed by dust and water vapor, and thus being damaged.

Method used

An active heat dissipation LED car light is designed, which adopts the cooperation of the first heat dissipation wing, a heat conduction column, a second heat dissipation wing, a heat dissipation port, a heat dissipation fan, a first waterproof and breathable film and a second waterproof and breathable film to enhance the heat dissipation effect and prevent water vapor from entering.

Benefits of technology

The airflow circulation accelerates the discharge of hot gas, avoids water vapor inflow, effectively protects the heat dissipation components of the LED lamp, and improves the service life and practical performance of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222836724U_ABST
    Figure CN222836724U_ABST
Patent Text Reader

Abstract

The utility model discloses an active heat dissipation LED car lamp which comprises a first connecting cylinder, and the upper end of the first connecting cylinder is connected with a second connecting cylinder. According to the active heat dissipation LED vehicle lamp, through mutual cooperation of first heat dissipation fins, heat conduction columns, second heat dissipation fins, heat dissipation openings, a heat dissipation fan, a first waterproof breathable film and a second waterproof breathable film, the heat dissipation effect can be enhanced through air flow of the heat dissipation fan, and meanwhile air flow circulation can be formed in the vehicle lamp; hot air is directly blown to the light-emitting equipment and the second cooling fins, so that the hot air can be exhausted in an accelerated manner, water vapor is prevented from entering the first connecting cylinder and the second connecting cylinder, and internal equipment is better protected; and through mutual cooperation of a fixed cylinder, a heat conduction rod, a top plate and a heat conduction ring, heat conduction treatment can be conducted on the outer surface of the LED lamp body, the situation that the surface of the LED lamp is damaged due to overheating is avoided, and the practical performance of the device is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of LED vehicle lamps, in particular to an active heat dissipation LED vehicle lamp. Background Art

[0002] LED car lights refer to the use of LED technology for both interior and exterior lighting. External lighting equipment involves thermal limits and EMC issues, as well as many complex standards for unloading load tests; LED car lights can be widely used to create an in-car environment with a service life of 50,000 hours. The structure of LED is sturdy and not easily affected by vibration, and the light output brightness will not drop significantly during use; LED car lights are suitable for various lighting applications in automotive electronics, including headlights (high beam and low beam), fog lights, tail lights, brake lights, turn signals, daytime running lights, pedal lights, instrument lights, license plate lights, door lights, interior lights, width lights, navigation, entertainment systems, backlights and indicator lights, etc.

[0003] An existing active heat dissipation LED car light module (application number: 202321295227.4) includes a metal heat dissipation part and an LED light source, a plurality of parallel heat dissipation ports are opened on the axial wall of the heat dissipation part, a metal mounting seat is fixedly connected to the top surface of the heat dissipation part, a mounting member is provided on the mounting seat, and the LED light source is connected to the heat dissipation part through the mounting member; a first accommodating space is formed inside the heat dissipation part, a first fan is provided in the first accommodating space, and a thread is provided on the external axial wall of the heat dissipation part. The device dissipates heat through the fan, accelerates heat convection, and has a high heat dissipation effect; the above problem still exists, the heat dissipation part of the LED lamp is not protected, and some water vapor may be generated inside the car light due to heat after long-term use, but the current heat dissipation component does not provide waterproof protection for it, which makes it easy for dust and water vapor to enter the heat dissipation part of the LED lamp, causing the heat dissipation part of the LED lamp to be easily damaged.

[0004] Therefore, it is necessary to propose an active heat dissipation LED lamp to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide an active heat dissipation LED lamp, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] 14. The LED vehicle lamp as claimed in claim 13, wherein the upper end of the first connecting tube is connected to the second connecting tube, the middle part of the upper end of the second connecting tube is connected to the supporting tube, the upper end of the supporting tube is connected to the supporting plate, the middle part of the upper end of the supporting plate is connected to the fixing tube, one side of the upper end of the fixing tube is connected to the mounting assembly, the lower end of the mounting assembly is connected to the light-emitting device, the light-emitting device is located inside the supporting tube, the lower part of the outer side of the supporting tube is connected to the first heat dissipation fin, the lower end of the first heat dissipation fin is in contact with the upper end of the second connecting tube, the lower end of the light-emitting device is evenly connected to the heat-conducting column, the lower ends of the plurality of heat-conducting columns extend through and extend into the second connecting tube, the second heat dissipation fins are connected to both sides of the upper end of the inner wall of the second connecting tube, the middle part of the outer side of the second connecting tube and the middle part of the outer side of the first connecting tube are circumferentially provided with heat dissipation openings, the lower sides of the lower end of the inner wall of the first connecting tube are connected to heat dissipation fans, the inner wall of the second connecting tube is connected to the first waterproof and breathable membrane, the inner wall of the first connecting tube is connected to the second waterproof and breathable membrane, and the middle part of one side of the second connecting tube is connected to the second connecting wire.

[0008] Preferably, the mounting assembly comprises a heat conducting rod, the upper end of the heat conducting rod is connected to a top plate, upper portions of both sides of the heat conducting rod are connected to heat conducting rings, and the middle portion of the lower end of the top plate is connected to the LED lamp body.

[0009] Preferably, the lower portions of both sides of the heat conducting rod are in an arc-shaped structure.

[0010] Preferably, the number of the heat-conducting rings is two groups, and the shape of the heat-conducting rings is a semi-arc structure.

[0011] Preferably, an opening is provided on the support plate corresponding to the light emitting device, and the upper end of the light emitting device is located inside the opening.

[0012] Preferably, the upper outer portion of the first connecting tube and the lower outer portion of the second connecting tube are both connected with mounting rings, and the two mounting rings are connected by mounting bolts.

[0013] Preferably, the middle parts of both sides of the light emitting device are in contact with the upper part of the inner wall of the supporting tube through mounting blocks.

[0014] Preferably, the first waterproof breathable membrane and the second waterproof breathable membrane are both made of EPTFE expanded polytetrafluoroethylene material.

[0015] Beneficial Effects

[0016] Compared with the prior art, the utility model provides an active heat dissipation LED lamp, which has the following beneficial effects:

[0017] 1. The active heat dissipation LED lamp, through the cooperation of the first heat dissipation fin, the heat conductive column, the second heat dissipation fin, the heat dissipation port, the heat dissipation fan, the first waterproof breathable membrane and the second waterproof breathable membrane, can enhance the heat dissipation effect by allowing air to flow through the heat dissipation fan, and at the same time can form an air flow circulation inside the lamp, blowing directly toward the light-emitting device and the second heat sink, so that the hot air can be discharged faster, and at the same time, water vapor is prevented from entering the first connecting tube and the second connecting tube, so as to better protect the internal equipment.

[0018] 2. The active heat dissipation LED lamp can conduct heat to the outer surface of the LED lamp body through the cooperation of the fixed tube, the heat-conducting rod, the top plate and the heat-conducting ring, thereby avoiding damage to the surface of the LED lamp caused by overheating and improving the practical performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 This is a schematic diagram of the installation structure of the heat-conducting column of the utility model;

[0022] Figure 4 It is a schematic diagram of the installation structure of the installation ring of the utility model.

[0023] In the figure: 1. first connecting tube; 2. second connecting tube; 3. supporting tube; 4. supporting plate; 5. fixing tube; 6. heat-conducting rod; 7. top plate; 8. heat-conducting ring; 9. LED lamp body; 10. light-emitting device; 11. first heat-dissipating fin; 12. heat-conducting column; 13. second heat-dissipating fin; 14. heat-dissipating port; 15. heat-dissipating fan; 16. first waterproof and breathable membrane; 17. second waterproof and breathable membrane; 18. connecting wire. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figure 1-4As shown, an active heat dissipation LED lamp comprises a first connecting tube 1, the upper end of the first connecting tube 1 is connected to the second connecting tube 2, the middle of the upper end of the second connecting tube 2 is connected to the supporting tube 3, the upper end of the supporting tube 3 is connected to the supporting plate 4, which is convenient for supporting the fixing tube 5, the middle of the upper end of the supporting plate 4 is connected to the fixing tube 5, one side of the upper end of the fixing tube 5 is connected to the mounting assembly, the lower end of the mounting assembly is connected to the light-emitting device 10, the light-emitting device 10 is located inside the supporting tube 3, and the lower outer part of the supporting tube 3 is connected to the first heat dissipation fin 11, so as to improve the heat dissipation effect of the surface of the supporting tube 3. The lower end of the first heat dissipation fin 11 contacts the upper end of the second connecting tube 2, and the lower end of the light-emitting device 10 is evenly connected with a heat-conducting column 12 to conduct heat to the outside of the LED lamp body 9. The lower ends of multiple heat-conducting columns 12 extend through the inside of the second connecting tube 2. Both sides of the upper end of the inner wall of the second connecting tube 2 are connected with second heat dissipation fins 13. The middle part of the outer side of the second connecting tube 2 and the middle part of the outer side of the first connecting tube 1 are circumferentially provided with heat dissipation openings 14. The inner walls of multiple heat dissipation openings 14 are embedded with screens to facilitate heat dissipation inside the first connecting tube 1 and the second connecting tube 2. The first connecting tube 1 Both sides of the lower end of the inner wall are connected with cooling fans 15, the inner wall of the second connecting tube 2 is connected with a first waterproof breathable membrane 16, the inner wall of the first connecting tube 1 is connected with a second waterproof breathable membrane 17, so as to improve the waterproof performance of the inner walls of the first connecting tube 1 and the second connecting tube 2, and the middle part of one side of the second connecting tube 2 is connected with a second connecting line 18, the installation assembly includes a heat conducting rod 6, the upper end of the heat conducting rod 6 is connected with a top plate 7, the upper parts of both sides of the heat conducting rod 6 are connected with heat conducting rings 8, the middle part of the lower end of the top plate 7 is connected with an LED lamp body 9, and the lower parts of both sides of the heat conducting rod 6 are arranged in an arc-shaped structure. There are two groups of thermally conductive rings 8, and the shape of the thermally conductive rings 8 is a semi-arc structure. An opening is opened at the support plate 4 corresponding to the light-emitting device 10 to facilitate the installation of the light-emitting device 10. The upper end of the light-emitting device 10 is located inside the opening. The upper outer part of the first connecting tube 1 and the lower outer part of the second connecting tube 2 are connected with mounting rings. The two mounting rings are connected by mounting bolts. The middle parts of both sides of the light-emitting device 10 are in contact with the upper inner wall of the support tube 3 through mounting blocks. The first waterproof and breathable membrane 16 and the second waterproof and breathable membrane 17 are both made of EPTFE expanded polytetrafluoroethylene material.

[0026] It should be noted that the utility model is an active heat dissipation LED car lamp. When in use, the light-emitting device 10 works to make the LED lamp body 9 light up. The heat on the surface of the LED lamp body 9 can be thermally conductively treated through the heat-conducting rod 6 and the heat-conducting ring 8. At the same time, the heat generated by the light-emitting device 10 is thermally conductively treated through the first heat-dissipating fins 11 and the heat-conducting columns 12. Then the heat dissipation fan 15 works, and the gas actively introduces the heat into the second connecting tube 2. At the same time, the second heat-dissipating fins 13 also dissipate the heat at the same time. The hot air can be accelerated to be discharged through multiple heat dissipation ports 14. The first waterproof and breathable membrane 16 and the second waterproof and breathable membrane 17 prevent water vapor from entering the first connecting tube 1 and the second connecting tube 2.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An active heat dissipation LED vehicle lamp, comprising a first connecting tube (1), characterized in that: The upper end of the first connecting tube (1) is connected to the second connecting tube (2), the middle of the upper end of the second connecting tube (2) is connected to the supporting tube (3), the upper end of the supporting tube (3) is connected to the supporting plate (4), the middle of the upper end of the supporting plate (4) is connected to the fixing tube (5), one side of the upper end of the fixing tube (5) is connected to the mounting assembly, the lower end of the mounting assembly is connected to the light-emitting device (10), the light-emitting device (10) is located inside the supporting tube (3), the lower outer side of the supporting tube (3) is connected to the first heat dissipation fin (11), the lower end of the first heat dissipation fin (11) is in contact with the upper end of the second connecting tube (2), and the lower end of the light-emitting device (10) is evenly connected to A heat-conducting column (12), wherein the lower ends of the plurality of heat-conducting columns (12) extend through the interior of the second connecting tube (2), the upper ends of the inner wall of the second connecting tube (2) are both connected to second heat-dissipating fins (13), the middle portion of the outer side of the second connecting tube (2) and the middle portion of the outer side of the first connecting tube (1) are both circumferentially provided with heat-dissipating openings (14), the lower ends of the inner wall of the first connecting tube (1) are both connected to heat-dissipating fans (15), the inner wall of the second connecting tube (2) is connected to a first waterproof and breathable membrane (16), the inner wall of the first connecting tube (1) is connected to a second waterproof and breathable membrane (17), and the middle portion of one side of the second connecting tube (2) is connected to a second connecting line (18).

2. The active heat dissipation LED lamp according to claim 1, characterized in that: The mounting assembly comprises a heat conducting rod (6), the upper end of the heat conducting rod (6) is connected to a top plate (7), the upper parts of both sides of the heat conducting rod (6) are connected to heat conducting rings (8), and the middle part of the lower end of the top plate (7) is connected to an LED lamp body (9).

3. The active heat dissipation LED lamp according to claim 2, characterized in that: The lower parts of both sides of the heat conducting rod (6) are arranged in an arc-shaped structure.

4. The active heat dissipation LED lamp according to claim 2, characterized in that: The number of the heat-conducting rings (8) is two groups, and the shape of the heat-conducting rings (8) is a semi-arc structure.

5. The active heat dissipation LED lamp according to claim 1, characterized in that: The support plate (4) is provided with an opening at a position corresponding to the light emitting device (10), and the upper end of the light emitting device (10) is located inside the opening.

6. The active heat dissipation LED lamp according to claim 1, characterized in that: The upper outer portion of the first connecting tube (1) and the lower outer portion of the second connecting tube (2) are both connected with mounting rings, and the two mounting rings are connected by mounting bolts.

7. The active heat dissipation LED lamp according to claim 1, characterized in that: The middle parts of both sides of the light emitting device (10) are in contact with the upper part of the inner wall of the support tube (3) through the mounting blocks.

8. The active heat dissipation LED lamp according to claim 1, characterized in that: The first waterproof breathable membrane (16) and the second waterproof breathable membrane (17) are both made of EPTFE expanded polytetrafluoroethylene material.

Citation Information

Patent Citations

  • LED car lamp module with active heat dissipation function

    CN220102934U