LED light-emitting device with high sealing performance
By designing a high-sealing structure and enhanced heat dissipation measures in LED light-emitting devices, the problem of water vapor and dust permeability of LED light-emitting devices in severe moisture or dust environments is solved, and the sealing and service life are improved.
Patent Information
- Application Number
- CN202422201722.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-09
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-09
AI Technical Summary
Existing LED light emitting devices are prone to moisture and dust seepage in environments with severe moisture or dust, causing lamp beads to burn and affect product performance.
A high-sealing LED light emitting device is designed, using components such as mounting boxes, lampshades, circuit boards and sealing frames. The sealing properties are achieved through structures such as sealing grooves, sealing frames, sealing rubber rings and clamp strips, and the heat dissipation fin strips are added to enhance the heat dissipation effect, and the power supply port is sealed through the sealing plug.
It improves the sealing of the device, prevents dust and water vapor from infiltration, extends the service life, and enhances the heat dissipation effect, avoiding the problem of high temperature damage.
Smart Images
Figure CN223020221U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of LED light-emitting devices, in particular to an LED light-emitting device with high sealing performance. Background Art
[0002] An LED light-emitting device is a solid-state semiconductor device that can convert electrical energy into visible light, and it is widely used in the lighting field. The main light-emitting component of an LED light-emitting device is an LED light-emitting chip, and electrons and holes can recombine inside the LED light-emitting chip to achieve light emission. There are usually multiple light-emitting pixels inside the LED light-emitting chip, and power can be supplied to multiple light-emitting pixels inside it so that multiple light-emitting pixels can emit light, thereby enabling the LED chip to have multiple light-emitting regions.
[0003] With the increasing market requirements and the increasingly rich usage environments nowadays, especially under conditions where moisture or dust is relatively severe, for currently prepared LED light-emitting devices, water vapor and dust can easily penetrate from the connection between the metal and plastic parts into the functional area, resulting in the burning out of the lamp beads and affecting the performance of the product. Therefore, the utility model provides an LED light-emitting device with high sealing performance. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the drawback that in the prior art, with the increasing market requirements and the increasingly rich usage environments nowadays, especially under conditions where moisture or dust is relatively severe, for currently prepared LED light-emitting devices, water vapor and dust can easily penetrate from the connection between the metal and plastic parts into the functional area, resulting in the burning out of the lamp beads and affecting the performance of the product, and to propose an LED light-emitting device with high sealing performance.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: An LED light-emitting device with high sealing performance includes an installation box and a lamp cover. A circuit board is installed inside the installation box, and an LED lamp board is electrically connected to the surface of the circuit board. A sealing frame is fixedly connected to the upper surface of the installation box. A sealing groove is opened at the lower end of the lamp cover, and the sealing groove is slidably connected to the surface of the sealing frame.
[0006] Preferably, three fixing grooves are opened on both sides of the inner wall of the installation box, and threaded columns are fixedly connected to the surfaces of the three fixing grooves. Three positioning holes are opened on both sides of the circuit board, and the inner walls of the three positioning holes are slidably connected to the surfaces of the threaded columns.
[0007] Preferably, a sealing rubber ring is arranged on the surface of the sealing frame, and the sealing rubber ring is located at the upper end of the sealing frame.
[0008] Preferably, a plurality of card block strips are arranged on the surface of the sealing frame, and the plurality of card block strips are evenly distributed and arranged on the side wall of the sealing frame.
[0009] Preferably, a heat dissipation groove is formed on the lower surface of the installation box, and a plurality of heat dissipation fins are fixedly connected in the heat dissipation groove.
[0010] Preferably, a power supply port is arranged on one side of the installation box, and a sealing plug is slidably connected to the inner wall of the power supply port.
[0011] In summary, the present application includes the following beneficial technical effects:
[0012] 1. In the present utility model, by aligning the sealing groove at the lower end of the lamp cover with the sealing frame and then inserting the sealing groove into the sealing frame, the lamp cover can be quickly fixed and installed through the clamping block on the side wall of the sealing frame, thereby improving the convenience of device installation. At the same time, the sealing rubber ring at the upper end of the sealing frame will undergo elastic deformation to block the gap between the sealing frame and the sealing groove, improving the sealing performance of the device.
[0013] 2. In the present utility model, after the LED lamp board works for a long time, the contact area with the air is increased through the heat dissipation fins, thereby enhancing the heat dissipation effect and preventing the components in the circuit board from being damaged due to high temperature, achieving the effect of extending the service life of the device. When not in use, the power supply port can be sealed and blocked by the sealing plug, which can enhance the sealing performance of the device and prevent dust and impurities from entering the installation box. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;
[0015] Figure 2 is of the present utility model Figure 1 disassembly structural schematic diagram;
[0016] Figure 3 is of the present utility model Figure 2 side view structural schematic diagram;
[0017] Figure 4 is a structural schematic diagram of the installation box assembly of the present utility model;
[0018] Figure 5 is a structural schematic diagram of the circuit board assembly of the present utility model;
[0019] Figure 6 is a structural schematic diagram of the lamp cover assembly of the present utility model;
[0020] Figure 7 is of the present utility model Figure 4 enlarged view at A;
[0021] Figure 8 is of the present utility model Figure 4 enlarged view at B.
[0022] Legend: 1. Installation box; 2. Lamp shade; 3. Circuit board; 4. Fixed groove; 5. Threaded post; 6. Positioning hole; 7. LED light board; 8. Sealing frame; 9. Sealing rubber ring; 10. Sealing groove; 11. Clamping block strip; 12. Heat dissipation groove; 13. Heat dissipation fin; 14. Power port; 15. Sealing plug. Detailed implementation
[0023] Refer to Figures 1 to 8 As shown, the present utility model provides a technical solution: a highly sealed LED lighting device, including an installation box 1 and a lamp shade 2. A circuit board 3 is installed inside the installation box 1. The surface of the circuit board 3 is electrically connected to an LED light board 7. A sealing frame 8 is fixedly connected to the upper surface of the installation box 1. A sealing groove 10 is opened at the lower end of the lamp shade 2, and the sealing groove 10 is slidably connected to the surface of the sealing frame 8.
[0024] Refer to Figure 3 、 Figure 5 and Figure 7 As shown, in this implementation: Three fixed grooves 4 are opened on both sides of the inner wall of the installation box 1. Threaded posts 5 are fixedly connected to the surfaces of the three fixed grooves 4. Three positioning holes 6 are opened on both sides of the circuit board 3. The inner walls of the three positioning holes 6 are slidably connected to the surfaces of the threaded posts 5. By setting the fixed grooves 4, fixed posts and positioning holes 6, the positioning holes 6 on the circuit board 3 can pass through the threaded posts 5, and then the circuit board 3 can be fixed by the cooperation of nuts and threaded posts 5, so as to achieve the effect of fixing the circuit board 3. A sealing rubber ring 9 is arranged on the surface of the sealing frame 8, and the sealing rubber ring 9 is located at the upper end of the sealing frame 8. By arranging the sealing rubber ring 9 at the upper end of the sealing frame 8, the gap between the sealing frame 8 and the sealing groove 10 can be blocked by the elastic deformation of the sealing rubber ring 9, improving the sealing performance of the device.
[0025] Refer to Figure 2 、 Figure 4 and Figure 8As shown in the figure, specifically, a plurality of clamping strip bars 11 are arranged on the surface of the sealing frame 8. The plurality of clamping strip bars 11 are evenly distributed and arranged on the side wall of the sealing frame 8. By arranging the clamping strip bars 11 on the side wall of the sealing frame 8, the lamp cover 2 can be quickly fixed and installed, thereby improving the convenience of device use and installation and enhancing the installation efficiency. A heat dissipation groove 12 is formed in the lower surface of the installation box 1, and a plurality of heat dissipation fins 13 are fixedly connected in the heat dissipation groove 12. By arranging a plurality of heat dissipation fins 13 in the heat dissipation groove 12, after the LED lamp board 7 works for a long time, the contact area with the air is increased through the heat dissipation fins 13, thereby enhancing the heat dissipation effect and preventing the components in the circuit board 3 from being damaged due to high temperature, achieving the effect of extending the service life of the device. A power supply port 14 is arranged on one side of the installation box 1, and a sealing plug 15 is slidably connected to the inner wall of the power supply port 14. By providing the sealing plug 15 adapted to the power supply port 14, when not in use, the power supply port 14 can be sealed and blocked by the sealing plug 15, which can enhance the sealing performance of the device and prevent dust and impurities from entering the interior of the installation box 1.
[0026] Working principle: When in use, first align the positioning holes 6 on both sides of the circuit board 3 with the threaded posts 5, insert the positioning holes 6 into the threaded posts 5, and then fix the circuit board 3 through the cooperation of the nut and the threaded post 5 to achieve the function of fixing the circuit board 3. Then align the sealing groove 10 at the lower end of the lamp cover 2 with the sealing frame 8, and then insert the sealing groove 10 into the sealing frame 8. The lamp cover 2 can be quickly fixed and installed through the clamping strip on the side wall of the sealing frame 8, thereby improving the convenience of device use and installation. At the same time, the sealing rubber ring 9 at the upper end of the sealing frame 8 will undergo elastic deformation, thereby blocking the gap between the sealing frame 8 and the sealing groove 10 and improving the sealing performance of the device. After the LED lamp board 7 works for a long time, the contact area with the air is increased through the heat dissipation fins 13, thereby enhancing the heat dissipation effect and preventing the components in the circuit board 3 from being damaged due to high temperature, achieving the effect of extending the service life of the device. When not in use, the power supply port 14 can be sealed and blocked by the sealing plug 15, which can enhance the sealing performance of the device and prevent dust and impurities from entering the interior of the installation box 1.
[0027] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
Claims
1. A highly sealed LED lighting device, comprising a mounting box (1) and a lampshade (2), characterized in that: A circuit board (3) is installed in the installation box (1); the surface of the circuit board (3) is connected to an LED light board (7) by electric wires; the upper surface of the installation box (1) is fixedly connected to a sealing frame (8); a sealing groove (10) is provided at the lower end of the lampshade (2); and the sealing groove (10) is slidably connected to the surface of the sealing frame (8).
2. The highly sealed LED light emitting device according to claim 1, characterized in that: Three fixing grooves (4) are provided on both sides of the inner wall of the installation box (1), and the surfaces of the three fixing grooves (4) are fixedly connected with threaded columns (5). Three positioning holes (6) are provided on both sides of the circuit board (3), and the inner walls of the three positioning holes (6) are slidably connected to the surfaces of the threaded columns (5).
3. The LED light-emitting device with high sealing performance according to claim 1, characterized in that: A sealing rubber ring (9) is provided on the surface of the sealing frame (8), and the sealing rubber ring (9) is located at the upper end of the sealing frame (8).
4. The LED light-emitting device with high sealing performance according to claim 1, characterized in that: A plurality of block strips (11) are arranged on the surface of the sealing frame (8), and the plurality of block strips (11) are evenly distributed and arranged on the side wall of the sealing frame (8).
5. The LED light-emitting device with high sealing performance according to claim 1, characterized in that: A heat dissipation groove (12) is provided on the lower surface of the installation box (1), and a plurality of heat dissipation fins (13) are fixedly connected in the heat dissipation groove (12).
6. The LED light-emitting device with high sealing performance according to claim 1, characterized in that: A power port (14) is provided on one side of the installation box (1), and a sealing plug (15) is slidably connected to the inner wall of the power port (14).