Radiator used outside LED underwater lamp body
By using an external lamp holder inlay and heat dissipation fin assembly design, the problems of poor heat dissipation functionality and short lifespan of high-power integrated LED underwater lights are solved, resulting in a longer lifespan and lower cost.
Patent Information
- Application Number
- CN202520498180.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Existing high-power integrated LED underwater lights have poor heat sink functionality, resulting in short lifespan and high cost, which is especially noticeable when fixedly connected in miniaturized environments.
An external lamp holder inlay was designed, equipped with heat dissipation fins and a connecting plate. It is fixed to the lamp body through main, inner and secondary positioning grooves to achieve maximum area contact heat transfer, adapt to different lamp body models, enhance load-bearing capacity and reduce manufacturing costs.
It extends the lifespan of high-power integrated LED underwater lights, reduces operating costs, and improves the functionality of the heat sink.
Smart Images

Figure CN223795231U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of LED lighting accessories, and provides an external heat sink for LED underwater lights that reduces usage costs and increases the heat sink's functionality. Background Technology
[0002] Existing high-power integrated LED underwater lights (generally referring to 100W or higher) typically use built-in heat sinks for heat dissipation. These heat sinks are usually disc-shaped or have fins added to a disc, and are integrated into the lamp body cavity. These heat sinks only serve a heat dissipation function and have limited practicality. During use, due to environmental constraints, when using smaller high-power integrated LED underwater lights, the lamp body is fixedly connected to pre-embedded components, resulting in a short lifespan and high operating costs. Utility Model Content
[0003] In view of this, the purpose of this utility model is to provide an external heat sink for LED underwater lights that reduces usage costs and increases the heat sink's functionality.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] This utility model provides an external heat sink for LED underwater lights, comprising: a lamp holder inlay, which is tubular, and four heat dissipation fin groups evenly distributed on the outer wall of the lamp holder inlay. Each heat dissipation fin group includes multiple heat dissipation fins, and a main positioning groove is provided between two adjacent heat dissipation fin groups. A lamp body connecting plate for fixing and connecting the lamp body is provided in a set of main positioning grooves in a relatively opposite position. The lamp body connecting plate is provided with a lamp body fixing hole, which passes through the plate body of the lamp body connecting plate and the lamp holder inlay and communicates with the inner cavity of the lamp holder inlay.
[0006] To accommodate different types of LED lamp bodies and increase their application range, the above solution further includes: two symmetrical inner positioning grooves are provided on the inner wall of the lamp holder insert.
[0007] To accommodate different types of LED lamp bodies and further expand their application range, the above solution further includes: a secondary positioning groove is provided on the heat dissipation fin assembly.
[0008] To enhance the load-bearing capacity of the LED lamp body, the above solution further includes: a lower limiting platform for the lamp body is provided on the inner wall of the inner cavity of the lamp holder inlay.
[0009] To reduce manufacturing costs, in the above solution, the heat dissipation fin assembly and the lamp body connecting plate are both cast as a single unit with the lamp holder inlay.
[0010] The beneficial effects of this utility model are: the lamp holder inlay is external, allowing it to be used as a pre-embedded part, thus increasing its heat sink functionality. With the lamp holder inlay externally mounted, during use, the connecting plate on the outer wall of the existing high-power integrated LED underwater light is inserted into the main positioning groove and / or the inner positioning groove and / or the secondary positioning groove for positioning. Then, the high-power integrated LED underwater light body is fixed to the lamp holder inlay using screws passing through the lamp body fixing holes. This achieves maximum effective contact heat transfer between the high-power integrated LED underwater light body and the lamp holder inlay, effectively extending the service life of the high-power integrated LED underwater light and reducing operating costs. Attached Figure Description
[0011] To make the objectives, technical solutions, and advantages of this utility model clearer, the preferred embodiments of this utility model will be described in detail below with reference to the accompanying drawings, wherein:
[0012] Figure 1 A three-dimensional structural diagram of an existing external heat sink for LED underwater lights;
[0013] Figure 2 This is a top view of the structure of this utility model;
[0014] Figure 3 This is a cross-sectional view of the fixing hole of the lamp body in this utility model;
[0015] Reference numerals in the attached drawings: 1. Lamp holder inlay; 2. Heat dissipation fin assembly; 3. Heat dissipation fins; 4. Main positioning groove; 5. Lamp body connecting plate; 6. Lamp body fixing hole; 7. Inner cavity; 8. Inner positioning groove; 9. Secondary positioning groove; 10. Lower limit countersunk platform of lamp body. Detailed Implementation
[0016] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.
[0017] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," 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 do not 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The utility model will be further described in detail below with reference to the accompanying drawings.
[0018] like Figure 1-3 As shown, this utility model provides an external heat sink for LED underwater lights, comprising: a lamp holder inlay 1, which is tubular, and four heat dissipation fin groups 2 evenly distributed on the outer wall of the lamp holder inlay 1. Each heat dissipation fin group 2 includes multiple heat dissipation fins 3. A main positioning groove 4 is provided between adjacent heat dissipation fin groups 2. A lamp body connecting plate 5 for fixing and connecting the lamp body is provided in a set of main positioning grooves 4 in relative positions. The lamp body connecting plate 5 is provided with a lamp body fixing hole 6, which passes through the lamp body connecting plate 5 and the lamp holder inlay 1 and communicates with the inner cavity 7 of the lamp holder inlay 1. In this embodiment, there are 6 to 15 heat dissipation fins 3. The lamp holder inlay 1 is external and can be used as a pre-embedded part; the lamp body of the high-power integrated LED underwater light and the lamp holder inlay 1 can have maximum effective contact heat transfer, which can effectively extend the service life of the high-power integrated LED underwater light and reduce the use cost.
[0019] To accommodate different types of LED lamp bodies and increase their application range, in the above embodiment, preferably, two inner positioning grooves 8 are symmetrically arranged on the inner wall of the lamp holder inlay 1.
[0020] To accommodate different types of LED lamp bodies and further expand their application range, in the above embodiment, preferably, the heat dissipation fin group 2 is provided with a secondary positioning groove 9.
[0021] To enhance the load-bearing capacity of the LED lamp body, in the above embodiment, preferably, a lower limiting platform 10 for the lamp body is provided on the inner wall of the inner cavity 7 of the lamp holder inlay body 1.
[0022] To reduce manufacturing costs, in the above embodiments, preferably, the heat dissipation fin assembly 2 and the lamp body connecting plate 5 are both cast as one piece with the lamp holder inlay 1.
[0023] In all the above embodiments, the components are commercially available products.
[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of this technical solution, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. An external heat sink for LED underwater lights, characterized in that: The lamp holder is included in the lamp holder inlay (1), which is tubular and has four heat dissipation fin groups (2) evenly distributed on the outer wall of the lamp holder inlay (1). Each heat dissipation fin group (2) includes multiple heat dissipation fins (3). A main positioning groove (4) is provided between two adjacent heat dissipation fin groups (2). A lamp body connecting plate (5) for fixing and connecting the lamp body is provided in a set of main positioning grooves (4) at opposite positions. The lamp body connecting plate (5) has a lamp body fixing hole (6). The lamp body fixing hole (6) passes through the plate body of the lamp body connecting plate (5) and the lamp holder inlay (1) and communicates with the inner cavity (7) of the lamp holder inlay (1).
2. The external heat sink for LED underwater lights according to claim 1, characterized in that: Two inner positioning grooves (8) are symmetrically arranged on the inner wall of the lamp holder insert (1).
3. The external heat sink for LED underwater lights according to claim 1, characterized in that: The heat dissipation fin assembly (2) is provided with a secondary positioning groove (9).
4. The external heat sink for LED underwater lights according to claim 1, characterized in that: The inner wall of the inner cavity (7) of the lamp holder insert (1) is provided with a lamp body lower limiting sink (10).
5. The external heat sink for LED underwater lights according to claim 1, characterized in that: The heat dissipation fin assembly (2) and the lamp body connecting plate (5) are both cast as one piece with the lamp holder inlay (1).