Dustproof and waterproof ventilation heat dissipation device suitable for LED lamp module
By designing ventilation holes and a waterproof and breathable membrane on the LED lighting module, combined with a rotatable dust removal scraper, a dustproof, waterproof, ventilated, and heat dissipation device is created. This solves the problem of low ventilation efficiency of the waterproof and breathable cap, achieving efficient ventilation and dustproof effects, and extending the service life of the lighting fixtures.
Patent Information
- Application Number
- CN202520735130.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-18
AI Technical Summary
The existing waterproof and breathable caps of LED lighting modules have low ventilation efficiency, which leads to the accumulation of high-temperature heat inside the lamp and affects the lamp's lifespan.
A dustproof, waterproof, ventilated and heat dissipation device was designed, comprising an outer shell, an elastomer, a waterproof and breathable membrane, and a dust removal scraper. By setting ventilation holes and a waterproof and breathable membrane on the outer shell, combined with a rotatable dust removal scraper, the ventilation area is expanded and dust removal is facilitated.
It improves ventilation efficiency, prevents dust blockage, maintains pressure balance inside and outside the lamp, and extends the lifespan of LED lamps.
Smart Images

Figure CN223924589U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of automotive accessory technology, specifically, it relates to a dustproof, waterproof, ventilated and heat dissipation device suitable for LED lighting modules. Background Technology
[0002] Car headlights contain multiple LED lens modules. To facilitate pressure balance between the headlight cavity and the external environment and to achieve ventilation and heat dissipation, vents are provided on the rear housing of the headlight. Waterproof and breathable caps are installed on the vents. These caps can balance the pressure difference between the inside and outside of the headlight cavity, but the ventilation efficiency is relatively slow. The continuous high temperature inside the headlight cavity can easily reduce the lifespan of the LEDs. To improve ventilation efficiency, a dustproof, waterproof, ventilation, and heat dissipation device suitable for LED lighting modules is provided. Utility Model Content
[0003] In view of this, the technical problem to be solved by this utility model is to provide a dustproof, waterproof, ventilated and heat dissipation device suitable for LED lighting modules, which solves the problem of low ventilation efficiency of waterproof and breathable caps in the prior art.
[0004] To solve the above-mentioned technical problems, this utility model discloses a dustproof, waterproof, ventilated and heat dissipation device suitable for LED lighting modules, including: an outer shell and an elastic body; the top of the outer shell is provided with a mounting groove, the bottom surface of the mounting groove is provided with a fixing seat and a plurality of circumferentially arranged ventilation holes, a waterproof and breathable membrane is bonded in the mounting groove, and a dust removal scraper is set on the upper part of the waterproof and breathable membrane and fixed to the fixing seat by screws.
[0005] Furthermore, the bottom surface of the aforementioned mounting groove is provided with four fan-shaped ventilation holes, with adhesive portions reserved between the outer edge of the ventilation holes and the bottom edge, and adhesive portions reserved between the inner edge of the ventilation holes and the edge of the fixing seat.
[0006] Furthermore, the top surface of the aforementioned mounting base is provided with a threaded hole.
[0007] Furthermore, the aforementioned dust removal scraper has a cap, scrapers, and a positioning ring. The cap is located at the center of the positioning ring, and three scrapers are arranged in a ring between the two. The cap has a through hole.
[0008] Compared with the prior art, this application can achieve the following technical effects:
[0009] This utility model features ventilation holes and a waterproof and breathable membrane on its outer shell, which expands the ventilation area and also provides dust and water protection. To prevent dust from clogging the outer surface of the waterproof and breathable membrane, a dust removal scraper is provided. The dust removal scraper and the fixing base are rotatably connected, which allows for convenient dust removal from the outer surface of the waterproof and breathable membrane.
[0010] Of course, any product implementing this application does not necessarily need to achieve all of the technical effects described above at the same time. Attached Figure Description
[0011] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:
[0012] Figure 1 This is a schematic diagram of a waterproof and breathable cap according to one embodiment of the present invention;
[0013] Figure 2 This is an exploded view of a waterproof and breathable cap according to one embodiment of the present invention.
[0014] Attached Figure Labels
[0015] 1. Outer shell; 2. Elastomer; 3. Waterproof and breathable membrane II; 4. Mounting groove; 5. Fixing base; 6. Ventilation hole; 7. Waterproof and breathable membrane I; 8. Dust removal scraper; 9. Adhesive part; 10. Threaded hole; 11. Cap; 12. Scraper; 13. Positioning ring; 14. Through hole. Detailed Implementation
[0016] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.
[0017] Please refer to Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of a waterproof and breathable cap according to one embodiment of the present invention; Figure 2 This is an exploded view of a waterproof and breathable cap according to one embodiment of the present invention.
[0018] A dustproof, waterproof, ventilated, and heat dissipation device suitable for LED lighting modules includes: an outer shell 1 and an elastomer 2, with a waterproof and breathable membrane 3 bonded to one end of the thermoplastic elastomer 2; the top of the outer shell 1 is provided with an installation groove 4, the bottom surface of the installation groove 4 is provided with a fixing seat 5 and a plurality of circumferentially arranged ventilation holes 6, a waterproof and breathable membrane 7 is bonded inside the installation groove 4, and a dust removal scraper 8 is disposed on the upper part of the waterproof and breathable membrane 7 and fixed to the fixing seat 5 by screws.
[0019] The bottom surface of the mounting slot 4 is provided with four fan-shaped ventilation holes 6. The outer edge of the ventilation hole 6 and the bottom edge are reserved for adhesive parts 9. The inner edge of the ventilation hole 6 and the edge of the fixing seat 5 are reserved for adhesive parts 9. The waterproof and breathable membrane 7 has a hole in the middle. The waterproof and breathable membrane 7 passes through the fixing seat 5 and is attached to the adhesive part 9 on the bottom surface of the mounting slot 4.
[0020] The top surface of the fixed base 5 is provided with a threaded hole 10; the dust removal scraper 8 has a cap 11, a scraper 12 and a positioning ring 13. The cap 11 is located at the center of the positioning ring 13, and three scrapers 12 are arranged in a ring between the two. The cap 11 is provided with a through hole 14. The cap 11 cooperates with the fixed base 5, and the screw passes through the cap 11 and cooperates with the threaded hole 10 of the fixed base 5.
[0021] The elastomer 2 is fitted onto the vent post of the rear housing of the headlight, and the outer shell 1 is fitted onto the elastomer 2. The gap between the outer shell 1 and the elastomer 2 achieves the effect of ventilation and balancing the internal and external pressure difference. The outer shell 1 can block the waterproof and breathable membrane 3. The outer shell 1 is provided with ventilation holes 6 and waterproof and breathable membrane 7, which expands the ventilation area. There is a lot of dust in the car engine compartment. The dust removal scraper 8 can rotate and can periodically scrape off the dust on the outer surface of the waterproof and breathable membrane 7.
[0022] This utility model provides ventilation holes 6 and a waterproof and breathable membrane 7 on the outer shell 1, which expands the ventilation area and also prevents dust and water. In order to prevent dust from clogging the outer surface of the waterproof and breathable membrane 7, a dust removal scraper 8 is provided. The dust removal scraper 8 and the fixed base 5 are rotatably connected, which can conveniently remove dust from the outer surface of the waterproof and breathable membrane 7.
[0023] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.
Claims
1. A dustproof and waterproof ventilation and heat dissipation device suitable for an LED lamp module, comprising: Outer shell and elastomer; The feature is that the top of the outer shell is provided with a mounting groove, the bottom surface of the mounting groove is provided with a fixing seat and a plurality of circumferentially arranged ventilation holes, a waterproof and breathable membrane is bonded in the mounting groove, and a dust removal scraper is set on the upper part of the waterproof and breathable membrane and fixed to the fixing seat by screws.
2. The dustproof and waterproof ventilation and heat dissipation device suitable for LED lamp module of claim 1, wherein, The bottom surface of the mounting groove is provided with four fan-shaped ventilation holes. The outer edge of the ventilation hole and the bottom edge are reserved for adhesive parts, and the inner edge of the ventilation hole and the edge of the fixing seat are reserved for adhesive parts.
3. The dustproof and waterproof ventilation and heat dissipation device suitable for LED lamp module of claim 2, wherein, The top surface of the fixing base is provided with a threaded hole.
4. The dustproof and waterproof ventilation and heat dissipation device suitable for LED lamp module of claim 2, wherein, The dust removal scraper has a cap, scrapers and a positioning ring. The cap is located at the center of the positioning ring, and three scrapers are arranged in a ring between the two. The cap has a through hole.