Buried LED lamp with directional heat dissipation function

Abstract

The buried LED lamp with the directional heat dissipation function can effectively prevent heat dissipated by the buried LED lamp from being directly transmitted to plants through the ground, and therefore negative effects on growth of the plants are avoided. The buried LED lamp device comprises a lamp holder main body piece and a covering plate piece arranged above the lamp holder main body piece in a covering mode, and a cylindrical inwards-concave installation cavity is formed in the upper portion of the lamp holder main body piece from top to bottom and used for installing and arranging an LED light-emitting assembly; and a circulating air cooling system capable of directionally discharging and guiding out heat generated when the LED light-emitting assembly works is further arranged on the lamp holder main body piece.

Description

Technical Field

[0001] This utility model relates to the field of underground light product structure, specifically an underground LED light fixture with directional heat dissipation function. Background Technology

[0002] In-ground lights are mainly used in parks, squares, commercial streets, and urban roads for both landscape and safety lighting. Currently, LED lights are the mainstream choice for in-ground lights, offering advantages such as high energy efficiency, long lifespan, and rich color options. The application of intelligent control systems enables remote control and scene switching.

[0003] Currently, there are some in-ground light products on the market that can adapt to various working scenarios. For example, the Chinese invention patent application document with application number CN201810715899.3 provides an in-ground linear light with adjustable light output angle and good sealing, which includes a lamp housing body, an adjusting screw, a lens assembly and a device lamp head. The lamp housing body has an installation handle on one side of its lower end. The beneficial effects are as follows: by setting sealing ring one and sealing ring two, the power board and decorative lamp head can be reliably sealed to the lamp housing body, which can prevent the buried linear light from malfunctioning due to unreliable sealing and ensure the reliability of the buried linear light. By setting adjusting screws and adjusting rods, the heat sink, heat conduction plate, LED light and LED fixing bracket can be axially moved in the lamp housing body as needed, which can change the distance between the lens assembly and the LED light, and thus realize convenient adjustment of the light output angle of the buried linear light as needed. By setting heat sink and heat conduction plate, the LED light can be dissipated in time, which can improve the service life of the LED light. For example, a new type of LED buried light is given in Chinese invention patent application with application number CN201210338445.1, which includes a lamp body, a glass cover, an aluminum base circuit board and LED beads located on the aluminum base circuit board; it also includes multiple lens assemblies, which are fixedly installed on the aluminum base circuit board. The LED lamp beads of this invention are equipped with an equal number of lens assemblies. There are various types of lenses in the lens assemblies, which can adjust the light within the range of 15~60°. When a certain angle of light is required, there is no need to bury the in-ground lamp at a certain angle in the ground. You only need to select the lens with the corresponding angle.

[0004] However, the applicant discovered that due to factors such as low thermal conductivity of the materials, difficulty in heat dissipation, unreasonable lamp body design, insufficient heat dissipation space, or poor heat dissipation conditions in the surrounding environment, the heat generated by the in-ground lights can easily accumulate, leading to a significant increase in internal temperature after prolonged operation. Some high-power in-ground lights, due to their large heat generation, are prone to damage to internal components or shortened lifespan due to high temperatures. Furthermore, when in-ground lights are installed near vegetation, the heat they generate can be directly transferred to the plants through the surrounding soil, negatively impacting plant growth and potentially even causing plant death in severe cases.

[0005] To address the aforementioned issues, this invention provides an underground LED light fixture with directional heat dissipation function, which can effectively prevent the heat emitted from the light fixture from being directly transferred to the plant through the ground, thereby avoiding negative impacts on the plant's growth. Utility Model Content

[0006] This invention provides an underground LED light fixture with directional heat dissipation function, which can effectively prevent the heat emitted by the light fixture from being directly transferred to the plant through the ground, thereby avoiding negative impacts on the plant's growth.

[0007] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0008] An underground LED light fixture with directional heat dissipation function is characterized in that: it includes a lamp holder body and a cover plate disposed on the upper part of the lamp holder body; the upper part of the lamp holder body has a cylindrical recessed mounting cavity from top to bottom for mounting LED light-emitting components; and the lamp holder body is also provided with a circulating air cooling system that can directionally dissipate and exhaust the heat generated by the LED light-emitting components when they are working.

[0009] As a preferred embodiment of the present invention, the circulating air-cooling system includes a flow channel formed inside the lamp holder body. The flow channel includes an air inlet formed on the upper outer periphery of the lamp holder body and an exhaust port formed at the center of the mounting cavity. An air pump device for driving the flow of gas inside the lamp is also provided in the flow channel between the air inlet and the exhaust port near the lower part of the lamp holder body. A guide pipe is also connected to the upper end of the exhaust port, and the upper end of the guide pipe extends upward and passes through the cover plate.

[0010] As a preferred embodiment of the present invention, a plurality of heat dissipation fins are further provided in the flow channel. The main body of the heat dissipation fins is located in the flow channel, and its inner end extends inward through the inner wall of the lamp holder body and enters the mounting cavity.

[0011] As a preferred embodiment of the present invention, a heat-insulating material layer is further provided on the outer side of the lamp holder body.

[0012] As a preferred embodiment of the present invention, the heat dissipation fins are arranged at intervals around the central axis of the mounting cavity.

[0013] As a preferred embodiment of this utility model, a barrier protective net is also provided on the upper end of the conductive tube and the air inlet to prevent larger particulate impurities from entering the interior of the lamp.

[0014] In summary, this utility model can achieve the following beneficial effects:

[0015] The buried LED light fixture with directional heat dissipation function provided in this utility model can effectively prevent the heat it emits from being directly transferred to the plant through the ground, thereby avoiding negative impacts on the plant's growth. Attached Figure Description

[0016] Figure 1 A vertical cross-sectional view of the internal structure of an underground LED light fixture with directional heat dissipation function;

[0017] Figure 2 This is a cross-sectional view of the internal structure of an underground LED light fixture with directional heat dissipation function.

[0018] In the picture:

[0019] 1—Lamp holder main body; 101—Mounting cavity;

[0020] 2—Cover plate;

[0021] 3—LED light-emitting components;

[0022] 4—Circulating air cooling system, 401—Guide channel, 4011—Air inlet, 4012—Exhaust outlet, 402—Air pump device, 403—Conducting pipe, 404—Heat dissipation fins;

[0023] 5—Insulation material layer;

[0024] 6—Barrier and protective netting. Detailed Implementation

[0025] The following specific embodiments are merely explanations of this utility model and are not intended to limit it. After reading this specification, those skilled in the art can make modifications to these embodiments without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of this utility model.

[0026] This solution is achieved through the following technical means:

[0027] Example: In this example, an underground LED light fixture with directional heat dissipation function is provided, which can effectively prevent the heat emitted by the light fixture from being directly transferred to the plant through the ground, thereby avoiding negative impacts on the plant's growth.

[0028] Specifically, the buried LED light fixture includes a lamp holder body 1 buried in the ground. The bottom of the lamp holder body 1 is cylindrical, wider at the top and narrower at the bottom, while the upper part is cylindrical. A cylindrical recessed mounting cavity 101 is formed in the upper part of the lamp holder body 1 from top to bottom for mounting the LED light-emitting component 3. At the same time, a cover plate 2 is provided on the top of the lamp holder body 1 to cover it. The cover plate 2 is generally flat and disc-shaped. Its outer periphery is locked and fixed to the lamp holder body 1 with bolts. The central part of the cover plate 2 is made of transparent glass or resin material to ensure that the light beam emitted by the LED light-emitting component 3 installed in the mounting cavity 101 can obtain good penetration. Considering that some high-power in-ground lights, when providing illumination, release a large amount of heat that is directly transferred to the roots of surrounding plants through the soil, altering the growth environment of temperature-sensitive plant roots and affecting normal plant growth, and that this heat dissipation method is inefficient, causing a large amount of heat to accumulate inside the LED light fixture and not be released, leading to excessively high internal temperatures that prevent the light fixture from functioning properly or even cause damage, the in-ground LED light fixture provided in the embodiments of this application is further equipped with a circulating air-cooling system 4 on the lamp holder body 1, which can directionally dissipate the heat generated by the LED light-emitting component 3 during operation, thereby achieving directional heat dissipation and avoiding the aforementioned problems.

[0029] Specifically, the circulating air-cooling system 4 includes a flow channel 401 formed inside the lamp holder body 1. The flow channel 401 includes an air inlet 4011 formed on the upper outer periphery of the lamp holder body 1 and an exhaust outlet 4012 formed at the center of the mounting cavity 101. It should be noted that, as shown in the appendix to the instruction manual... Figure 1 The given sectional diagram of the internal structure of the lamp shows that, since the air inlet 4011 is located on the upper part of the outer periphery of the lamp holder body 1, when the in-ground lamp is installed on the ground, it is necessary to ensure that the air inlet 4011 is higher than the ground surface in order to achieve a smooth air intake process.

[0030] An air pump device 402 for driving the flow of gas inside the lamp is also provided in the air guide channel 401, located between the air inlet 4011 and the exhaust outlet 4012 near the lower part of the lamp holder body 1. This air pump device 402 can draw in air from the side opening and expel air from the top opening when powered on. Furthermore, a guide pipe 403 is connected to the upper end of the exhaust outlet 4012, with its upper end extending upwards and passing through the central area of ​​the cover plate 2. With this structure, when the air pump device 402 is working, external air can be continuously drawn into the lamp holder body 1. Through contact between the air and the heat dissipation fins 404, the heat emitted by the LED light-emitting component 3 is directionally dissipated outwards from the center of the lamp, thereby reducing the impact of the emitted heat on soil temperature changes and ensuring the normal growth of the plant.

[0031] Furthermore, to more efficiently dissipate the heat emitted by the LED light-emitting component 3 through airflow circulation, several copper or aluminum heat dissipation fins 404 are provided in the airflow channel 401. The main body of the heat dissipation fins 404 is located within the airflow channel 401, with their inner ends extending inward through the inner wall of the lamp holder body 1 and into the mounting cavity 101. This allows the heat generated by the LED light-emitting component 3 to be fully transferred to each heat dissipation fin 404, increasing the contact area with the flowing air and thus improving heat dissipation efficiency. Preferably, the heat dissipation fins 404 are arranged at intervals around the central axis of the mounting cavity 101 to ensure uniform heat dissipation efficiency at all locations of the lamp while maximizing heat dissipation efficiency.

[0032] Preferably, a heat-insulating material layer 5 is further provided on the outer side of the lamp holder body 1. This heat-insulating material layer 5 can be made of polyurethane or foamed concrete to improve the heat insulation performance between the lamp and the soil. Furthermore, a barrier mesh 6 is provided on the upper end of the guide pipe 403 and the air inlet 4011 to prevent larger particulate impurities from entering the lamp, ensuring unobstructed internal airflow circulation and the normal and stable operation of the air pump device 402. Of course, to ensure the continuous and stable operation of the lamp, a barrier mesh 6 can also be provided on the upper end of the guide pipe 403 and the air inlet 4011 to prevent larger particulate impurities from entering the lamp.

[0033] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. An underground LED light fixture with directional heat dissipation function, characterized in that: It includes a lamp holder body (1) and a cover plate (2) that covers the lamp holder body (1). The upper part of the lamp holder body (1) has a cylindrical recessed mounting cavity (101) for mounting LED light-emitting components (3). The lamp holder body (1) is also provided with a circulating air cooling system (4) that can directionally discharge the heat generated by the LED light-emitting components (3) when they are working.

2. The buried LED light fixture with directional heat dissipation function according to claim 1, characterized in that: The circulating air cooling system (4) includes a flow channel (401) inside the lamp holder body (1). The flow channel (401) includes an air inlet (4011) on the upper outer periphery of the lamp holder body (1) and an exhaust port (4012) at the center of the mounting cavity (101). An air pump device (402) for driving the gas flow inside the lamp is also provided in the flow channel (401) between the air inlet (4011) and the exhaust port (4012) near the lower part of the lamp holder body (1). A guide pipe (403) is also connected to the upper end of the exhaust port (4012). The upper end of the guide pipe (403) extends upward and passes through the cover plate (2).

3. The buried LED light fixture with directional heat dissipation function according to claim 2, characterized in that: A number of heat dissipation fins (404) are also provided in the flow channel (401). The main body of the heat dissipation fins (404) is located in the flow channel (401), and its inner end extends inward through the inner wall of the lamp holder body (1) and enters the mounting cavity (101).

4. The buried LED light fixture with directional heat dissipation function according to claim 3, characterized in that: A heat insulation material layer (5) is also provided on the outside of the lamp holder body (1).

5. The buried LED luminaire with directional heat dissipation function according to claim 3, characterized in that: The heat dissipation fins (404) are arranged at intervals around the central axis of the mounting cavity (101).

6. The buried LED luminaire with directional heat dissipation function according to claim 5, characterized in that: A barrier net (6) is also provided on the upper end of the guide tube (403) and the air inlet (4011) to prevent larger particulate impurities from entering the interior of the lamp.

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