Split splicing type radiator of lamp

By designing a modular heat sink for the lamps, and using a splicing connection and waterproof strip structure, the high cost and waterproofing issues of high-power outdoor lamps are solved, achieving efficient heat dissipation and waterproofing, and extending the life of the lamps.

CN223649266UActive Publication Date: 2025-12-09ZHONGSHAN YUFENG LIGHTING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520294594.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2025-12-09
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Existing high-power outdoor lighting fixtures have high-cost heat sinks with poor waterproof performance. Existing heat sink molds and equipment are also expensive, and spliced ​​heat sinks have poor waterproof performance.

Method used

Design a modular heat sink for lighting fixtures, which uses a first heat sink and a second heat sink connected together, with a waterproof strip installed in the groove between them. Combined with waterproof rubber rings, a seal is ensured. An external glass cover and a locking buckle are added for fixation, achieving a waterproof effect.

Benefits of technology

It reduces production costs, improves waterproof performance, extends the lifespan of lamps, and meets the heat dissipation requirements of high-power lamps.

✦ Generated by Eureka AI based on patent content.

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Abstract

The split splicing type radiator comprises a radiator body, a lamp body outer frame and an LED light source, the LED light source is installed on the surface position of the radiator body, an installation edge is arranged in the lamp body outer frame, the installation edge is fixed on the surface position of the radiator body through a screw, and the LED light source is arranged on the lamp body outer frame. The LED light source is located on the inner side of the installation edge, cooling fins are arranged on the rear side of the radiator body, a first waterproof rubber ring is arranged between the installation edge and the radiator body, the radiator body comprises a first radiator and a second radiator, and the first radiator and the second radiator are connected in a spliced mode. The size of an extrusion die can be reduced through the split type, the requirement for extrusion equipment is lowered, the requirement for heat dissipation of the high-power projection lamp is met, the open groove is formed between the first radiator and the second radiator, the waterproof rubber strip is arranged in the open groove, and water is prevented from entering the space between the first radiator and the second radiator to affect the service life of the lamp. The waterproof problem is solved.
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Description

Technical fields:

[0001] This utility model relates to the field of lamp heat sinks, and in particular to a lamp split-type heat sink. Background technology:

[0002] High-power outdoor lighting fixtures are widely used in various applications due to their high brightness, low energy consumption, and excellent optical performance unaffected by weather conditions. These include exterior lighting for individual buildings and historical building complexes, interior lighting for buildings, localized indoor lighting, landscaping, billboard lighting, lighting for specialized facilities such as medical and cultural facilities, and ambient lighting for entertainment venues like bars and dance halls. However, during operation, high-power outdoor lighting fixtures convert all electrical energy into heat, in addition to light. If this heat is not effectively dissipated, it can lead to serious consequences. High temperatures reduce the luminous flux and luminous efficiency of LEDs, cause redshift and color distortion, and induce device aging. Most importantly, they exponentially shorten LED lifespan, as LED light decay and lifespan are directly related to their junction temperature. Poor heat dissipation leads to higher temperatures and shorter lifespans. According to Arenius's Law, a 10°C decrease in temperature doubles the lifespan. Therefore, designing more efficient and effective heat sinks is a pressing issue for the industry.

[0003] Aluminum profile heat sinks for lighting fixtures on the market are usually made of 6063 aluminum rods, produced by extrusion molds and extrusion equipment according to the size of the formed cross-section. In LED lighting design, higher power lamps require heat sinks with larger cross-sections. Larger cross-sections require larger extrusion molds and production equipment, which increases production costs. In addition, the structure of two or more small cross-sections combined into a larger cross-section heat sink, which is directly spliced ​​on outdoor lighting fixtures, cannot achieve the purpose of waterproofing. Utility model content:

[0004] In order to overcome the above-mentioned defects of the prior art, the embodiments of this utility model provide a split-type heat sink for lamps. The present utility model aims to solve the pain points of high cost of extrusion molds for large cross-section heat sinks used in lamps, which require larger extrusion equipment to complete the production, and the fact that the current large cross-section heat sink is spliced ​​from two or more small cross-sections, which results in incomplete waterproofing in lamp applications.

[0005] The objective of this utility model is achieved through the following technical solution.

[0006] The purpose of this utility model is to provide a modular, spliced ​​heat sink for lamps, including a heat sink body, a lamp outer frame, and an LED light source. The LED light source is installed on the surface of the heat sink body. An installation edge is provided inside the lamp outer frame. The installation edge is fixed to the surface of the heat sink body by screws. The LED light source is located inside the installation edge. A heat sink fin is provided on the rear side of the heat sink body. A first waterproof rubber ring is provided between the installation edge and the heat sink body. The heat sink body includes a first heat sink and a second heat sink. The first heat sink and the second heat sink are spliced ​​together, and a groove is provided between the first heat sink and the second heat sink. A waterproof rubber strip is provided in the groove.

[0007] Furthermore, both ends of the waterproof strip are connected to the first waterproof rubber ring.

[0008] Furthermore, the waterproof strip is located on the surface of the first waterproof rubber ring, and receiving grooves are provided at both ends of the groove, with the end of the waterproof strip engaging with the first waterproof rubber ring and fitting into the receiving groove.

[0009] Furthermore, a glass cover is provided on the surface of the lamp body frame, and a second waterproof rubber ring is provided between the glass cover and the lamp body frame.

[0010] Furthermore, the outer periphery of the lamp body frame is provided with several latches, which are used to secure the glass cover to the screws on the lamp body frame.

[0011] Furthermore, a lens is provided on the surface of the LED light source.

[0012] Furthermore, a reflector is provided inside the outer frame of the lamp, and the LED light source is located inside the reflector.

[0013] Furthermore, a U-shaped angle adjustment bracket is installed on the periphery of the lamp body frame.

[0014] Furthermore, a rear cover is installed on the rear side of the radiator body, and the rear cover is provided with vent holes.

[0015] Furthermore, a power supply fixing plate is installed on the heat sink of the heat sink body, and a power supply is installed on the power supply fixing plate. The power supply is located inside the rear cover and is electrically connected to the LED light source.

[0016] Compared with the prior art, this utility model has the following advantages:

[0017] 1) This utility model describes a modular, modular heat sink for lighting fixtures, comprising a heat sink body, a lamp body frame, and an LED light source. The LED light source is mounted on the surface of the heat sink body. An mounting edge is provided inside the lamp body frame and is fixed to the surface of the heat sink body with screws. The LED light source is located inside the mounting edge. A heat sink fin is provided on the rear side of the heat sink body. A first waterproof rubber ring is provided between the mounting edge and the heat sink body. The heat sink body includes a first heat sink and a second heat sink, which are connected together. This modular design reduces the size of the extrusion mold and lowers the requirements for the extrusion equipment, meeting the heat dissipation requirements of high-power floodlights and saving development and production costs. A slot is provided between the first and second heat sinks, and a waterproof rubber strip is provided within the slot to prevent water from entering between the first and second heat sinks and affecting the lifespan of the lighting fixture, thus solving the waterproofing problem.

[0018] 2) Other advantages of this utility model are described in detail in the embodiment section of the specification. Attached image description:

[0019] Figure 1 This is a perspective view of the split-type heat sink for lamps provided in this embodiment of the utility model;

[0020] Figure 2 This is a perspective view of the split-type heat sink for lamps provided in this embodiment of the utility model;

[0021] Figure 3 This is an exploded view of the split-type heat sink for lamps provided in this embodiment of the utility model;

[0022] Figure 4 This is an exploded view of the split-type heat sink for lamps provided in this embodiment of the utility model;

[0023] Figure 5 This is an exploded view of the split-type heat sink for lamps provided in this embodiment of the utility model;

[0024] Figure 6 This is an exploded view of the split-type heat sink for lamps provided in this embodiment of the utility model;

[0025] Figure 7 This is an exploded view of the split-type heat sink for lamps provided in this embodiment of the utility model;

[0026] Figure 8 This is an exploded view of the split-type heat sink for lamps provided in this embodiment of the utility model;

[0027] Figure 9 This is an exploded view of the split-type heat sink for lamps provided in this embodiment of the utility model;

[0028] Figure 10 This is an exploded view of the floodlight split-type heat sink provided in this embodiment of the utility model. Detailed implementation method:

[0029] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0030] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0031] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the invention described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0032] like Figures 1 to 10As shown, this embodiment provides a modular, spliced ​​heat sink for a lamp, including a heat sink body 1, a lamp outer frame 2, and an LED light source 3. The LED light source 3 is mounted on the surface of the heat sink body 1 and fixed with screws. An mounting edge 21 is provided inside the lamp outer frame 2, and the lamp outer frame 2 and mounting edge 21 are integrally formed. The mounting edge 21 is fixed to the surface of the heat sink body 1 with screws. The LED light source 3 is located inside the mounting edge 21. A heat sink 11 is provided on the rear side of the heat sink body 1 to improve heat dissipation. A first waterproof rubber ring 4 is provided between the mounting edge 21 and the heat sink body 1 to prevent water from entering between the lamp outer frame 2 and the heat sink body 1. The heat sink body 1 includes a first heat sink 12 and a second... The radiator 13 is a spliced ​​connection between the first radiator 12 and the second radiator 13. The split design reduces the size of the extrusion mold, lowers costs, and reduces the requirements for extrusion equipment. It can be produced without requiring a larger size, meeting the heat dissipation requirements of high-power floodlights. Furthermore, a slot 14 is provided between the first radiator 12 and the second radiator 13, and a waterproof strip 41 is installed in the slot 14. This prevents water from entering between the first radiator 12 and the second radiator 13. The first radiator 12 and the second radiator 13 have the same appearance and can be installed and used as long as they are placed symmetrically, which enhances their versatility. The waterproof strip 41 is located in the slot between the first radiator 12 and the second radiator 13, preventing water from entering between the first radiator 12 and the second radiator 13 and affecting the life of the lamp, thus solving the waterproof problem.

[0033] As an optional embodiment, the two ends of the waterproof strip 41 are connected to the first waterproof rubber ring 4, which can improve the sealing and waterproof effect.

[0034] As an optional embodiment, the waterproof strip 41 is located on the surface of the first waterproof rubber ring 4, and the two ends of the slot 14 are provided with receiving grooves 141. The end of the waterproof strip 41 is inserted into the receiving groove 141 at the connection position with the first waterproof rubber ring 4, which makes installation more convenient, sealing better, and structural design more reasonable.

[0035] As an optional embodiment, a glass cover 5 is provided on the surface of the lamp outer frame 2, and a second waterproof rubber ring 51 is provided between the glass cover 5 and the lamp outer frame 2. The second waterproof rubber ring 51 mainly improves the waterproof effect.

[0036] As an optional embodiment, the outer periphery of the lamp body frame 2 is provided with several latches 22. After the latches 22 press the glass cover 5, they are fixed to the screws of the lamp body frame 2. The glass cover can be opened by simply removing the screws, which facilitates maintenance and solves the problem of the troublesome maintenance caused by using glass glue to fix the lamp body frame 2 and the glass cover 5 in the prior art.

[0037] As an optional embodiment, the surface of the LED light source 3 is provided with a lens 31, which can improve the light efficiency.

[0038] As an optional embodiment, a reflector 6 is provided inside the outer frame 2 of the lamp, and the LED light source 3 is located inside the reflector 6. The reflector 6 can reflect light to improve the brightness of the lighting.

[0039] As an optional embodiment, a U-shaped angle adjustment bracket 7 is installed on the periphery of the lamp body frame 2, and the U-shaped angle adjustment bracket 7 can be adjusted according to the user's needs.

[0040] As an optional embodiment, a rear cover 8 is installed on the rear side of the heat sink body 1, and a vent 81 is provided on the rear cover 8. The vent 81 effectively dissipates heat and improves the service life of the lamp.

[0041] As an optional embodiment, a power supply fixing plate 9 is installed on the heat sink 11 of the heat sink body 1, and a power supply is installed on the power supply fixing plate 9. The power supply is located inside the rear cover 8 and is electrically connected to the LED light source 3.

[0042] The radiator body 1 includes a first radiator 12 and a second radiator 13, which are spliced ​​together. A groove 14 is provided between the first radiator 12 and the second radiator 13, and a waterproof strip 41 is provided in the groove 14. This prevents water from entering between the first radiator 12 and the second radiator 13. In addition, the split design can reduce the size of the extrusion mold and reduce costs. The extrusion equipment does not need to be larger to carry out production. The first radiator 12 and the second radiator 13 have the same appearance and can be installed and used as long as they are placed symmetrically, which improves versatility. The waterproof strip is in the groove between the first radiator and the second radiator, which achieves the waterproof effect.

[0043] The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present utility model are equivalent substitutions and are included within the protection scope of the present utility model.

Claims

1. A modular heat sink for lamps, comprising a heat sink body (1), a lamp outer frame (2), and an LED light source (3), wherein the LED light source (3) is mounted on the surface of the heat sink body (1), a mounting edge (21) is provided inside the lamp outer frame (2), the mounting edge (21) is fixed to the surface of the heat sink body (1) by screws, the LED light source (3) is located inside the mounting edge (21), and a heat sink fin (11) is provided on the rear side of the heat sink body (1), characterized in that: A first waterproof rubber ring (4) is provided between the mounting edge (21) and the radiator body (1). The radiator body (1) includes a first radiator (12) and a second radiator (13). The first radiator (12) and the second radiator (13) are spliced ​​together, and a groove (14) is provided between the first radiator (12) and the second radiator (13). A waterproof rubber strip (41) is provided in the groove (14).

2. The modular heat sink for lamps according to claim 1, characterized in that: The two ends of the waterproof strip (41) are connected to the first waterproof ring (4).

3. A modular, spliced ​​radiator for lamps according to claim 2, characterized in that: The waterproof strip (41) is located on the surface of the first waterproof ring (4). The two ends of the slot (14) are provided with receiving grooves (141). The end of the waterproof strip (41) is inserted into the receiving groove (141) at the connection between it and the first waterproof ring (4).

4. A modular, spliced ​​radiator for lamps according to any one of claims 1-3, characterized in that: A glass cover (5) is provided on the surface of the lamp outer frame (2), and a second waterproof rubber ring (51) is provided between the glass cover (5) and the lamp outer frame (2).

5. A modular, spliced ​​radiator for lamps according to claim 4, characterized in that: The outer frame (2) of the lamp body is provided with several latches (22), which are used to press the glass cover (5) and then fix it to the screws of the outer frame (2).

6. A modular, spliced ​​radiator for lamps according to claim 4, characterized in that: The surface of the LED light source (3) is provided with a lens (31).

7. A modular, spliced ​​radiator for lamps according to claim 4, characterized in that: A reflector (6) is provided inside the outer frame (2) of the lamp, and the LED light source (3) is located inside the reflector (6).

8. A modular, spliced ​​radiator for lamps according to claim 4, characterized in that: A U-shaped angle adjustment bracket (7) is installed on the periphery of the lamp body frame (2).

9. A modular, spliced ​​radiator for lamps according to claim 4, characterized in that: A rear cover (8) is installed on the rear side of the radiator body (1), and a vent hole (81) is provided on the rear cover (8).

10. A modular, spliced ​​radiator for lamps according to claim 9, characterized in that: A power supply fixing plate (9) is installed on the heat sink (11) of the heat sink body (1). A power supply is installed on the power supply fixing plate (9). The power supply is located inside the rear cover (8) and is electrically connected to the LED light source (3).