Quick-release structure type high-heat-dissipation LED lamp shell

Abstract

This utility model relates to a quick-release, high-heat-dissipation LED lamp housing. It includes: a plastic lamp holder housing, a heat-dissipating metal base, an LED bead holder, and a plastic light-transmitting lamp cover. The heat-dissipating metal base consists of an annular base and heat-dissipating fins on the upper surface of the annular base. The plastic lamp holder housing covers the upper side of the heat-dissipating metal base and has fin through holes. The bottom of the plastic lamp holder housing has a skirt that fits against the annular base. A surrounding ring extends from the periphery of the skirt, completely enclosing the annular base. The plastic light-transmitting lamp cover is fixedly connected to the inner side of the surrounding ring, tightly pressing the heat-dissipating metal base and the LED bead holder together. This utility model uses a combination of plastic and metal, which can significantly reduce production costs. Simultaneously, by providing fin through holes, the heat-dissipating fins extend from inside the plastic lamp holder housing, ensuring effective heat dissipation, and it also features simple assembly.

Description

Technical Field

[0001] This utility model relates to an LED lamp, and more particularly to a quick-release structure high heat dissipation LED lamp housing. Background Technology

[0002] LED lights primarily manage heat through several core heat dissipation technologies to prevent overheating of the LED chips, which could negatively impact performance and lifespan. The heat dissipation process typically begins with heat conduction, where heat is rapidly transferred from the LED chip to the casing or heat sink, and then dissipated into the air through passive or active cooling. Passive cooling is the most common method, specifically using a metal substrate (such as aluminum alloy or copper) to conduct heat from the LED chips to the heat sink fins, which are then dissipated through air convection. This solution is low-cost, highly reliable, and suitable for most household or low-power lighting fixtures. To improve heat dissipation, many household LED light sockets use all-metal (aluminum) bases, but this significantly increases costs. Summary of the Invention

[0003] This invention provides a quick-release structure for a high-heat-dissipation LED lamp housing, solving the problem of high production costs for all-metal lamp holders in the prior art.

[0004] The above-mentioned technical problems of this utility model are mainly solved by the following technical solution: a quick-release high heat dissipation LED lamp housing, comprising: a plastic lamp holder shell, a heat dissipation metal base, a metal lamp bead fixing base, and a plastic light-transmitting lamp cover. The heat dissipation metal base is composed of an annular base and heat dissipation fins disposed on the upper surface of the annular base. The interior of the heat dissipation metal base forms a through cavity. The lamp bead fixing base is located on the lower side of the heat dissipation metal base and has a connecting hole communicating with the internal cavity. The plastic lamp holder shell is disposed on the upper side of the heat dissipation metal base and has fin through holes thereon. The bottom of the plastic lamp holder shell has a skirt that fits against the annular base. The outer periphery of the skirt extends to form a surrounding ring that completely encloses the annular base. The plastic light-transmitting lamp cover is fixedly connected to the inner side of the surrounding ring and tightly presses the heat dissipation metal base and the lamp bead fixing base together.

[0005] The LED bead holder in this invention is used to install and fix LED beads. The heat generated by the LED beads is directly transferred to the metal bead holder, which then transfers the heat to the heat dissipation metal base. The heat dissipation fins on the base have a large surface area, enabling efficient passive heat dissipation. Simultaneously, the plastic lamp holder shell in this invention reduces the amount of metal used. Through-holes in the fins allow the heat dissipation fins to extend, improving heat dissipation. Furthermore, this invention uses a plastic light-transmitting lampshade and a surrounding ring on the plastic lamp holder shell to clamp and fix the heat dissipation metal base and the LED bead holder, simplifying assembly and disassembly and eliminating the need for screw fixing.

[0006] Furthermore, a thermally conductive silicone sheet is sandwiched between the heat dissipation metal base and the LED bead fixing base. The thermally conductive silicone sheet is a flexible sheet, which can significantly improve the fit between the two metal components. It also has excellent thermal conductivity, thus improving the heat transfer effect between the heat dissipation metal base and the LED bead fixing base. Moreover, the thermally conductive silicone sheet has a certain degree of compression, ensuring that the heat dissipation metal base and the LED bead fixing base will not become loose after the device is actually fixed.

[0007] Furthermore, the inner wall of the surrounding ring is provided with several limiting parts arranged in a circular array. The cross-section of each limiting part is a right-angled trapezoid with the right-angled side facing upwards. The root of the plastic light-transmitting lampshade is provided with a snap-fit ​​protrusion that engages with the limiting parts. Through the above technical solution, this utility model can use a press-fitting device to automatically press the plastic light-transmitting lampshade into the surrounding ring, so that the snap-fit ​​protrusion and the limiting parts are engaged and limited vertically. Of course, a threaded connection can also be used. Compared with a threaded connection, the above solution has a significant advantage in installation efficiency. During disassembly, the plastic light-transmitting lampshade is pressed and pulled simultaneously to deform it locally before being removed.

[0008] Therefore, this utility model has the following characteristics compared with the prior art: 1. This utility model adopts a combination of plastic and metal, which can significantly reduce production costs. At the same time, by providing fin through holes, the heat dissipation fins extend out of the plastic lamp holder shell to ensure its heat dissipation effect; 2. This utility model uses the plastic light-transmitting lamp cover and the surrounding ring on the plastic lamp holder shell to fix and insert or screw together to achieve the effect of clamping and fixing the heat dissipation metal base and the lamp bead fixing base, making the overall assembly and disassembly simple and eliminating the screw fixing process. Attached Figure Description

[0009] Appendix Figure 1 This is a schematic diagram of the internal structure of this utility model;

[0010] Appendix Figure 2 This is a schematic diagram of the structure of this utility model after the plastic light-transmitting lamp cover has been removed;

[0011] Appendix Figure 3 It is attached Figure 2 A structural diagram from another perspective;

[0012] Appendix Figure 4 This is a schematic diagram of the structure of the heat sink metal base. Detailed Implementation

[0013] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0014] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0015] Example 1: See Figure 1 , Figure 2 and Figure 3 A quick-release, high-heat-dissipation LED lamp housing includes: a plastic lamp holder shell 10, a heat-dissipating metal base 20, an LED bead fixing base 30, and a plastic light-transmitting lamp cover 40. The heat-dissipating metal base is a cast aluminum part, consisting of an annular base 21 and heat dissipation fins 22 on the upper surface of the annular base. The heat-dissipating metal base has an internal cavity 23 that runs vertically through it for housing electronic components. The LED bead fixing base is located on the lower side of the heat-dissipating metal base and has a connecting hole 301 that communicates with the internal cavity. The LED bead fixing base is a stamped aluminum plate part. The plastic lamp holder shell is placed on the upper side of the heat-dissipating metal base and has fin through holes 101. The bottom of the plastic lamp holder shell has a skirt 11 that fits against the annular base. The outer periphery of the skirt extends to form a surrounding ring 12 that completely wraps around the annular base. The plastic light-transmitting lamp cover is fixedly connected to the inner side of the surrounding ring and tightly presses the heat-dissipating metal base and the LED bead fixing base together.

[0016] In this embodiment, the LED bead holder is used to mount and fix the LED beads. The heat generated by the LED beads is directly transferred to the metal bead holder, which then transfers the heat to the heat sink metal base. The heat sink fins on the base have a large surface area, enabling efficient passive heat dissipation. Simultaneously, the plastic lamp holder shell in this embodiment reduces the amount of metal used. Through-holes in the fins allow the heat sink fins to extend, improving heat dissipation. Furthermore, this embodiment uses a plastic light-transmitting lampshade and a surrounding ring on the plastic lamp holder shell to clamp and fix the heat sink metal base and the LED bead holder, simplifying assembly and disassembly and eliminating the need for screw fixing.

[0017] See Figure 1A thermally conductive silicone sheet 50 is sandwiched between the heat sink metal base and the LED bead fixing base. The thermally conductive silicone sheet is a flexible sheet, which can greatly improve the fit between the two metal parts. At the same time, it has excellent thermal conductivity, thus improving the heat conduction effect between the heat sink metal base and the LED bead fixing base. Furthermore, the thermally conductive silicone sheet has a certain degree of compression, so that after the actual fixing in this embodiment, there will be no loosening between the heat sink metal base and the LED bead fixing base.

[0018] See Figure 1 The edge of the lamp bead holder is provided with an outward flange 31, which is attached to the thermally conductive silicone sheet.

[0019] See Figure 1 and Figure 2 The inner wall of the surrounding ring is provided with several limiting parts 13 arranged in a circular array. The cross-section of the limiting part is a right-angled trapezoid with the right-angled side facing upwards. The root of the plastic light-transmitting lamp cover is provided with a snap-fit ​​protrusion 41 that engages with the limiting part. Through the above technical solution, this embodiment can use a press-fitting device to automatically press the plastic light-transmitting lamp cover into the surrounding ring, so that the snap-fit ​​protrusion and the limiting part are snapped together and limited vertically. Of course, a threaded connection can also be used for connection. Compared with the threaded connection, the above solution has a significant advantage in installation efficiency. During disassembly, the plastic light-transmitting lamp cover is pressed and pulled at the same time to deform it locally and then detach it.

[0020] See Figure 4 The heat dissipation fins are arranged in four groups in a circular array, and each fin consists of an inner arc fin 221 and three radiating fins 222. Both the inner arc fins and the radiating fins increase the surface area, while the inner arc fins also fix the radiating fins, giving them stronger resistance to bending and torsion.

[0021] This invention can be modified in many ways, as will be apparent to those skilled in the art, and such modifications are not considered to depart from the scope of this invention. All such modifications that are obvious to those skilled in the art are included within the scope of these claims.

Claims

1. A quick-release, high-heat-dissipation LED lamp housing, characterized in that, include: The lamp holder comprises a plastic lamp housing, a heat-dissipating metal base, a lamp bead holder, and a plastic light-transmitting lampshade. The heat-dissipating metal base consists of an annular base and heat-dissipating fins on the upper surface of the annular base. The heat-dissipating metal base has a through-cavity. The lamp bead holder is located on the lower side of the heat-dissipating metal base and has a connecting hole that communicates with the through-cavity. The plastic lamp housing covers the upper side of the heat-dissipating metal base and has fin through holes. The bottom of the plastic lamp housing has a skirt that fits against the annular base. The outer periphery of the skirt extends to form a surrounding ring that completely encloses the annular base. The plastic light-transmitting lampshade is fixedly connected to the inner side of the surrounding ring and tightly presses the heat-dissipating metal base and the lamp bead holder together.

2. The quick-release high-heat-dissipation LED lamp housing according to claim 1, characterized in that: A thermally conductive silicone sheet is sandwiched between the heat dissipation metal base and the lamp bead fixing base.

3. The quick release structure high heat dissipation LED lamp shell according to claim 2, characterized in that: The edge of the lamp bead holder is provided with an outward flange, which is attached to the thermally conductive silicone sheet.

4. The quick release structure high heat dissipation LED lamp shell according to claim 1, characterized in that: The inner wall of the surrounding ring is provided with several limiting parts arranged in a circular array. The cross-section of the limiting part is a right trapezoid with the right angle side facing upward. The base of the plastic light-transmitting lamp cover is provided with a snap-fit ​​protrusion that engages with the limiting part.

5. The quick release structure high heat dissipation LED lamp shell according to claim 1, characterized in that: The heat dissipation fins are provided in four groups and arranged in a circumferential array. The heat dissipation fins are composed of inner arc fins and radiating fins.

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