Quick-release heat sink structure for LED street lamp

By combining the upper and lower mounting rings, the problem of poor stability of LED street light heat sinks during installation is solved, achieving efficient heat dissipation and convenient maintenance, and ensuring the stability and waterproof performance of the heat sink within the street light housing.

CN223610073UActive Publication Date: 2025-11-28DANYANG YONGLE LIGHTING EQUIP CO LTD
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Patent Information

Application Number
CN202520272720.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2025-11-28
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

Existing LED street light heat sinks suffer from poor stability during installation and disassembly, especially due to the elasticity of the metal springs causing the heat sink to shake, which affects heat dissipation and maintenance efficiency.

Method used

The upper and lower mounting rings are combined with a structure consisting of a fixing plate, a sliding rail, and a limiting plate to ensure stable installation of the heat sink within the LED street light housing. The design of the fan and sunshade improves heat dissipation efficiency and waterproof performance.

Benefits of technology

This design enables stable installation and efficient heat dissipation of the heat sink within the LED street light housing, simplifies disassembly and maintenance, improves maintenance efficiency, and prevents rainwater from entering the street light.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quick detachable radiator structure for LED street lamp belongs to LED street lamp heat dissipation field. The utility model relates to a quick detachable radiator structure for LED street lamp, including upper installation ring, the both sides of upper installation ring upper end all are provided with first longitudinal limiting plate, and the both sides of lower installation ring respectively towards first longitudinal limiting plate are provided with fixed sheet between two first longitudinal limiting plates and are provided with lower installation ring, the both sides of lower installation ring respectively towards first longitudinal limiting plate are provided with fixed sheet. The utility model solves the process of the existing outdoor street lamp radiator convenient to dismouting maintenance in installation and dismounting, and the fixedness is completed in the recess of relying on the resilience of metal spring piece and locating block embedding, and the resilience of metal spring piece will make the radiator of installation sway, cause the stability of radiator to be poor, the utility model upper installation ring and lower installation ring are through the fixed sheet of both sides and slide towards the first installation slot of first longitudinal limiting plate lower end movement, and the heat of convenient installation and convenient export is discharged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of LED street lamp heat dissipation, concretely to a quick detachable heat sink structure for LED street lamp. BACKGROUND

[0002] The quick detachable heat sink structure for LED street lamp is made of high-efficiency heat dissipation material, which can effectively reduce the temperature of the LED street lamp during operation. The quick detachable device realizes the quick installation and disassembly of the heat sink through a simple mechanical structure, without the need for complex tools, greatly improving the maintenance efficiency. The fixing part ensures that the heat sink is stably installed on the street lamp, preventing loosening or falling off due to vibration and other reasons. The quick detachable heat sink structure becomes an ideal heat dissipation solution for LED street lamps due to its efficient heat dissipation and easy maintenance.

[0003] A heat sink for outdoor street lamp convenient to disassemble and maintain is disclosed in Chinese Patent No. CN213362391U, which includes a fixed plate, an ear plate, a movable plate, a positioning block, an anti-skid plate, and a metal spring. The ear plate is welded to the lower right side of the fixed plate, and the lower part of the movable plate is connected to the inner side of the ear plate through a shaft. The setting of the movable plate, positioning block, anti-skid plate, and metal spring facilitates the disassembly of the heat sink by the staff without the need for tools such as wrenches, thereby facilitating the maintenance of the heat sink after disassembly.

[0004] The heat sink for outdoor street lamp convenient to disassemble and maintain in the above-mentioned patent relies on the resilience of the metal spring and the embedding of the positioning block into the groove to complete the fixation during installation and disassembly. The resilience of the metal spring may cause the installed heat sink to shake, resulting in poor stability of the heat sink. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a quick detachable heat sink structure for LED street lamp, which is characterized in that the upper mounting ring and the lower mounting ring are moved towards the first mounting slot at the lower end of the first longitudinal limiting plate through the sliding of the fixing pieces on both sides, and the lower mounting ring can be vertically slid and attached to the heating position inside the street lamp shell after being clamped at the lower end of the first longitudinal limiting plate, facilitating installation and heat dissipation. The problems raised in the above-mentioned background technology are solved.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a quick detachable heat sink structure for LED street lamp, which includes an upper mounting ring, first longitudinal limiting plates are arranged on both sides of the upper end of the upper mounting ring, a lower mounting ring is arranged between the two first longitudinal limiting plates, fixing pieces are arranged on both sides of the lower mounting ring towards the first longitudinal limiting plate, a sliding rail is recessed in the inside of the lower mounting ring, the fixing pieces are embedded in the inside of the sliding rail and are in sliding connection with the inside of the sliding rail, and a transverse limiting plate is welded and arranged on the fixing piece towards the first mounting slot.

[0007] Preferably, one side of the front end of the first longitudinal limiting plate is provided with a second longitudinal limiting plate, the other side of the first longitudinal limiting plate is provided with a third longitudinal limiting plate, and the first mounting groove is arranged between the third longitudinal limiting plate and the second longitudinal limiting plate.

[0008] Preferably, the outer part of the transverse limiting plate is connected with the inner part of the first mounting groove through a clamping groove, the third mounting groove is arranged between the transverse limiting plate and the lower mounting ring, and the inner part of the third mounting groove is connected with the outer part of the second longitudinal limiting plate through a clamping groove.

[0009] Preferably, the second mounting groove is arranged on the transverse limiting plate and recessed towards the third longitudinal limiting plate, and the inner part of the second mounting groove is connected with the outer part of the third longitudinal limiting plate through a clamping groove.

[0010] Preferably, the upper end of the upper mounting ring is provided with a sunshade in the transverse direction.

[0011] Preferably, the lower end of the sunshade is welded and fixed with the upper end of the upper mounting ring on both sides.

[0012] Preferably, a connecting frame is arranged on one side of the connecting position of the sunshade and the upper mounting ring, and the connecting frame is welded and fixed with the connecting position of the sunshade and the upper mounting ring.

[0013] Preferably, the upper end of the lower mounting ring is welded and fixed with the lower end of the upper mounting ring, and the opposite sides of the inner part of the upper mounting ring are provided with fans.

[0014] Preferably, a partition strip is arranged at the lower end between the two fans.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The fixed plate is slid and inserted into the inner part of the first mounting groove at the front end of the first longitudinal limiting plate through the transverse limiting plate, meanwhile, the second longitudinal limiting plate is clamped into the third mounting groove, and the third longitudinal limiting plate is clamped into the inner part of the second mounting groove, so that the clamping of multiple positions can improve the stability of the lower mounting ring and the installation of the inner radiator, the pre-sliding clamping can make the lower mounting ring align with the heating position of the LED street lamp, and it is convenient to attach the heat dissipation silica gel for heat dissipation to the lower end of the lower mounting ring, and the longitudinal sliding of the lower mounting ring can drive the heat dissipation silica gel to attach to the heating position, and the longitudinal sliding of the heat dissipation silica gel along the sliding rail can closely contact the heating position in the inner part of the street lamp shell, so that the heat conduction efficiency is high, finally, when the lower mounting ring is installed and attached to the heating position, the installation can be completed by sliding into the inner part of the first mounting groove in the transverse direction and then sliding into the inner part of the street lamp shell in the longitudinal direction, so that the installation is stable and efficient, and subsequent disassembly and maintenance are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole external structure perspective view of the utility model.

[0018] Figure 2 It is the fixed sheet position relation schematic view of the utility model;

[0019] Figure 3 It is the fixed sheet position relation schematic view of the utility model; Figure 2 The middle A area local enlarged view;

[0020] Figure 4 It is the upper installation ring longitudinal sliding track schematic view of the utility model;

[0021] Figure 5 It is the lower installation ring from the first longitudinal limit plate inside extraction track schematic view of the utility model;

[0022] Figure 6 It is the fixed sheet position relation schematic view of the utility model; Figure 5 The middle B area local enlarged view;

[0023] Figure 7 It is the lower installation ring internal gas flow track schematic view of the utility model.

[0024] In the drawing: 1, sunshade; 2, upper installation ring; 3, street lamp shell; 4, first longitudinal limit plate; 5, fixed sheet; 6, connecting frame; 7, fan; 8, lower installation ring; 9, sliding track; 10, transverse limit plate; 11, first installation slot; 12, second installation slot; 13, second longitudinal limit plate; 14, third installation slot; 15, third longitudinal limit plate; 16, partition strip. DETAILED DESCRIPTION

[0025] The application will be further described below in conjunction with specific embodiments.

[0026] Embodiment 1

[0027] As shown in Figure 1 and Figure 2 , the quick-release type heat sink structure for LED street lamp of the embodiment includes an upper installation ring 2, both sides of the upper end of the upper installation ring 2 are provided with first longitudinal limit plates 4, one side of the front end of the first longitudinal limit plate 4 is provided with a second longitudinal limit plate 13, the other side of the first longitudinal limit plate 4 is provided with a third longitudinal limit plate 15, the first installation slot 11 is arranged between the third longitudinal limit plate 15 and the second longitudinal limit plate 13, and the upper installation ring 2 and the lower installation ring 8 can be conveniently installed through the reserved first installation slot 11 matched with the protruding second longitudinal limit plate 13 and the third longitudinal limit plate 15.

[0028] In order to improve the stability of the installation of the upper installation ring 2 and the lower installation ring 8, as shown in Figure 5 and Figure 6As shown, two first longitudinal limiting plates 4 are provided with a lower mounting ring 8, and the two sides of the lower mounting ring 8 are respectively provided with a fixed sheet 5 towards the first longitudinal limiting plate 4, the inside of the lower mounting ring 8 is recessed to be provided with a sliding rail 9, and the fixed sheet 5 is embedded in the inside of the sliding rail 9 and is in sliding connection with the inside of the sliding rail 9. After the fixed sheet 5 is inserted into the lower end of the first longitudinal limiting plate 4, the second longitudinal limiting plate 13 and the third longitudinal limiting plate 15, the lower mounting ring 8 can be longitudinally slid along the sliding rail 9 and embedded in the inside of the street lamp shell 3. The embedded position in the inside of the street lamp shell 3 and the high-temperature position in the inside of the street lamp shell 3 can complete the heat export, and the transverse sliding and longitudinal pressing can facilitate the installation efficiency of the lower mounting ring 8;

[0029] In order to facilitate the stability of the installation of the fixed sheet 5, the fixed sheet 5 is welded to be provided with a transverse limiting plate 10 towards the first mounting groove 11, and the outside of the transverse limiting plate 10 is in clamping groove connection with the inside of the first mounting groove 11. The third mounting groove 14 is provided between the transverse limiting plate 10 and the lower mounting ring 8, and the inside of the third mounting groove 14 is in clamping groove connection with the outside of the second longitudinal limiting plate 13. The transverse limiting plate 10 is recessed to be provided with a second mounting groove 12 towards the third longitudinal limiting plate 15, and the inside of the second mounting groove 12 is in clamping groove connection with the outside of the third longitudinal limiting plate 15. The clamping groove connection at the three positions can facilitate the transverse sliding of the fixed sheet 5 to be inserted, and the clamping groove connection at the three positions can also improve the stability after the connection:

[0030] As shown in Figure 7 , the upper end of the lower mounting ring 8 is welded and fixed with the lower end of the upper mounting ring 2, and the two opposite sides in the inside of the upper mounting ring 2 are provided with a fan 7. One of the fans 7 draws the gas outside into the inside of the lower mounting ring 8, and the other fan 7 draws the gas in the inside of the lower mounting ring 8 out of the outside of the lower mounting ring 8. The efficient flow of the gas will contact the radiator at the lower end in the inside of the lower mounting ring 8 to efficiently dissipate heat;

[0031] In order to avoid the inflow of rainwater from the outside into the inside of the street lamp shell 3, as shown in Figure 3 , Figure 4 and Figure 7 , the upper end of the upper mounting ring 2 is transversely provided with a sunshade 1, and the two sides of the lower end of the sunshade 1 are welded and fixed with the upper end of the upper mounting ring 2. The sunshade 1 will be installed together with the upper mounting ring 2 to the upper end of the street lamp shell 3 to avoid the inflow of liquid into the inside of the street lamp shell 3;

[0032] Among them, one side of the connection position of the sunshade 1 and the upper mounting ring 2 is provided with a connecting frame 6 towards the fixed sheet 5, and the connecting frame 6 is welded and fixed with the connection position of the sunshade 1 and the upper mounting ring 2. The longitudinal sliding of the upper mounting ring 2 can synchronously drive the connecting frame 6 to contact the fixed sheet 5. After the bolts are sequentially penetrated through the connecting frame 6 and the fixed sheet 5, the sunshade 1 and the upper mounting ring 2 can be synchronously fixed, so that the upper mounting ring 2 and the sunshade 1 are fixed to the upper end of the street lamp shell 3;

[0033] As Figure 7 shown, the lower end between the two fans 7 is provided with a partition strip 16, and the front and rear ends of the partition strip 16 are welded and fixed with the inner wall of the lower mounting ring 8, the lower end of the lower mounting ring 8 is attached to the radiator inside the lower end of the lower mounting ring 8, and the partition of the partition strip 16 can make the gas extracted by the pair of fans 7 quickly and efficiently contact the radiator.

[0034] Working principle: when the radiator is used and installed inside the street lamp shell 3, the two sides of the lower mounting ring 8 move towards the first longitudinal limiting plate 4 through the third mounting groove 14 and the transverse limiting plate 10 at the upper end, the transverse limiting plate 10 will be clamped into the first mounting groove 11, and the second longitudinal limiting plate 13 welded with the first mounting groove 11 will slide into the third mounting groove 14, the third longitudinal limiting plate 15 connected with the first longitudinal limiting plate 4 will be embedded in the second mounting groove 12 inside the transverse limiting plate 10, and the clamping groove connection of the three positions makes the fixing sheet 5 can be stably attached to the upper end of the street lamp shell 3, press the lower mounting ring 8, the lower mounting ring 8 will be attached to the heating position inside the street lamp shell 3, the connecting frame 6 and the sunshade 1 will be attached to the third mounting groove 14 with longitudinal sliding, the bolts are embedded in the street lamp shell 3 after passing through the connecting frame 6 and the fixing sheet 5 in turn, and the starting of the fan 7 can extract the external gas, and the gas flows along the radiator inside the lower mounting ring 8 after being guided by the partition strip 16 and is discharged.

[0035] It should be noted that in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0036] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application.

Claims

1. A quick-release heat sink structure for LED streetlights, comprising an upper mounting ring (2), characterized in that, The upper mounting ring (2) has two first longitudinal limiting plates (4) on both sides of its upper end. A lower mounting ring (8) is provided between the two first longitudinal limiting plates (4). Fixing pieces (5) are provided on both sides of the lower mounting ring (8) facing the first longitudinal limiting plates (4). A sliding rail (9) is recessed inside the lower mounting ring (8), and the fixing pieces (5) are embedded inside the sliding rail (9) and slidably connected to the inside of the sliding rail (9). A transverse limiting plate (10) is welded to the fixing piece (5) facing the first mounting groove (11).

2. The quick-release heat sink structure for LED streetlights according to claim 1, characterized in that, A second longitudinal limiting plate (13) is provided on one side of the front end of the first longitudinal limiting plate (4), and a third longitudinal limiting plate (15) is provided on the other side of the first longitudinal limiting plate (4). A first mounting groove (11) is provided between the third longitudinal limiting plate (15) and the second longitudinal limiting plate (13).

3. The quick-release heat sink structure for LED streetlights according to claim 1, characterized in that, The exterior of the transverse limiting plate (10) is connected to the interior slot of the first mounting groove (11), and a third mounting groove (14) is provided between the transverse limiting plate (10) and the lower mounting ring (8), and the interior of the third mounting groove (14) is connected to the exterior slot of the second longitudinal limiting plate (13).

4. The quick-release heat sink structure for LED streetlights according to claim 3, characterized in that, The transverse limiting plate (10) is recessed toward the third longitudinal limiting plate (15) and has a second mounting groove (12), and the interior of the second mounting groove (12) is connected to the exterior slot of the third longitudinal limiting plate (15).

5. The quick-release heat sink structure for LED streetlights according to claim 1, characterized in that, A sunshade (1) is provided horizontally at the upper end of the upper mounting ring (2).

6. The quick-release heat sink structure for LED streetlights according to claim 5, characterized in that, The lower ends of the sunshade (1) are welded and fixed to the upper ends of the upper mounting ring (2) on both sides.

7. The quick-release heat sink structure for LED streetlights according to claim 6, characterized in that, A connecting frame (6) is provided on one side of the connection position between the sunshade (1) and the upper mounting ring (2), and the connecting frame (6) is welded and fixed to the connection position between the sunshade (1) and the upper mounting ring (2).

8. The quick-release heat sink structure for LED streetlights according to claim 1, characterized in that, The upper end of the lower mounting ring (8) is welded and fixed to the lower end of the upper mounting ring (2), and the two sides inside the upper mounting ring (2) are provided with fans (7) opposite to each other.

9. A quick-release heat sink structure for LED streetlights according to claim 8, characterized in that, A dividing strip (16) is provided at the lower end between the two fans (7).

Citation Information

Patent Citations

  • Outdoor street lamp radiator convenient to disassemble, assemble and maintain

    CN213362391U