CN205332009U - Radiating LED dome lamp - Google Patents

Abstract

The present invention aims to provide a heat-dissipating LED ceiling light, comprising a base plate, LED beads, and an arc-shaped lampshade. The base plate and the arc-shaped lampshade are connected to form a closed space. A cooling fan is installed inside the base plate, with the air outlet of the cooling fan facing outwards. A heat sink and a PCB board are provided on the base plate, with the heat sink installed between the base plate and the PCB board. Four parallel heat-conducting fins are provided on the PCB board, and the heat-conducting fins are connected to the cooling fan. Multiple LED beads are evenly installed on the PCB board, thereby improving the heat dissipation intensity of the LED ceiling light, reducing the temperature of the PCB board, and extending its service life.

Description

A heat-dissipating LED ceiling light

technical field

The utility model relates to the technical field of lighting fixtures, in particular to the research in the field of LED lighting lamps, in particular to a heat-dissipating LED dome light.

Background technique

With the development of our country's economy and the improvement of people's living standards, people's quality of life has also been greatly improved, and the requirements for quality of life are also very high. The lighting tools that people use now can only meet the needs of lighting. The types of lighting products are also becoming more and more diverse, and various LED lights have emerged, especially with the emergence of high-power, high-control lighting, the problem of heat dissipation has become a more difficult problem, and the heat generated by the PCB board is often The service life of the LED lamp is affected.

Therefore, providing a heat-dissipating LED dome light, in order to improve the heat dissipation intensity of the LED dome light, reduce the temperature of the PCB board, and prolong the service life, has become an urgent problem to be solved by those skilled in the art.

Contents of the invention

The purpose of the utility model is to provide a heat dissipation LED dome light, in order to improve the heat dissipation intensity of the LED dome light, reduce the temperature of the PCB board, and prolong the service life.

In order to solve the technical problems described in the background technology, the utility model adopts the following technical solutions:

A heat-dissipating LED dome light, comprising a dome light base plate, LED lamp beads and an arc lampshade, the dome light base plate is connected with the arc lamp shade to form a closed space, a cooling fan is arranged inside the dome light base plate, and the The blower outlet of the cooling fan described above is installed outwards, the bottom plate of the ceiling lamp is provided with a cooling plate and a PCB board, the cooling plate is installed between the bottom plate of the ceiling lamp and the cooling plate, and the PCB board is provided with four A parallel heat conduction sheet, the heat conduction sheet is connected to the heat dissipation fan, and a plurality of LED lamp beads are evenly installed on the PCB board.

Preferably, three sets of heat dissipation holes are evenly installed on the heat dissipation plate, which can dissipate the heat generated by the PCB board by itself.

Preferably, the bottom plate of the dome light and the PCB board are connected by bolts, the bolts are tightly connected, the structure is tight, and it is not easy to fall off.

Preferably, the PCB board and the heat conducting sheet are connected by silica gel, which can better conduct heat generated by the PCB board, and then discharge the heat through the fan.

Preferably, the inner wall of the arc lampshade is coated with a light-diffusing agent, which can make the lighting more uniform and obtain better lighting effects.

The beneficial effects of the present invention are:

1) Improve the lighting intensity of LED lights to obtain better lighting effects.

2) Improve the heat dissipation intensity of the LED dome light, reduce the temperature of the PCB board, and prolong the service life.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings that are required in the embodiments. Obviously, the accompanying drawings in the following description are only described in the present invention For some embodiments of the present invention, those skilled in the art can also obtain other drawings according to these drawings.

Fig. 1 is the front view of the structure of a heat dissipation LED dome light provided by the utility;

Fig. 2 is a structural top view of a heat dissipation LED dome light provided by the utility.

detailed description

In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

Please refer to Fig. 1 and Fig. 2, a heat-dissipating LED dome light, including a dome light base plate 5, LED lamp beads 2 and an arc lampshade 1, the dome light base plate 5 is connected with the arc lamp shade 1, and forms a closed space, The inside of the ceiling lamp bottom plate 5 is provided with a heat dissipation fan 6, and the air outlet side of the heat dissipation fan 6 is installed outwards. 4 installed between the dome lamp bottom plate 5 and the heat dissipation plate 4, the PCB board 3 is provided with four parallel heat conduction fins 8, the heat conduction fins 8 are connected with the heat dissipation fan 6, and the PCB board 3 is uniformly Multiple LED lamp beads 2 are installed.

In this embodiment, three sets of heat dissipation holes 7 are evenly installed on the heat dissipation plate 4 to dissipate heat generated by the PCB board 3 by itself.

In this embodiment, the ceiling lamp bottom plate 5 and the PCB board 3 are connected by bolts, the bolts are tightly connected, the structure is tight, and it is not easy to fall off.

In this embodiment, the PCB board 3 and the heat conducting sheet 8 are connected through silica gel, which can better conduct heat generated by the PCB board 3 , and then discharge the heat through the cooling fan 6 .

In this embodiment, the inner wall of the arc lampshade 1 is coated with light-diffusing agent, which can make the illumination more uniform and obtain better illumination effect.

Certain exemplary embodiments of the present invention have been described above only by way of illustration. Needless to say, those skilled in the art can use various methods to control the present invention without departing from the spirit and scope of the present invention. The described embodiments are modified. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present invention.

Claims (5)

1. A heat-dissipating LED dome light, comprising a dome light base plate, LED lamp beads and an arc lampshade, characterized in that, the dome light base plate is connected with the arc lamp shade to form a closed space, and the inside of the dome light base plate is equipped with There is a heat dissipation fan, and the side of the blower outlet of the heat dissipation fan is installed outwards, the bottom plate of the ceiling light is provided with a heat dissipation plate and a PCB board, and the heat dissipation plate is installed between the bottom plate of the ceiling light and the heat dissipation plate. Four parallel heat conduction fins are arranged on the PCB, and the heat conduction fins are connected to the cooling fan, and a plurality of LED lamp beads are uniformly installed on the PCB. 2 . The heat dissipation LED dome light according to claim 1 , wherein three sets of heat dissipation holes are evenly installed on the heat dissipation plate. 3 . 3. A heat-dissipating LED dome light according to claim 1, characterized in that the base plate of the dome light and the PCB board are connected by bolts. 4. A heat-dissipating LED dome light according to claim 1, wherein the PCB board and the heat conducting sheet are connected by silica gel. 5. A heat-dissipating LED dome light according to claim 1, characterized in that, the inner wall of the circular arc lampshade is coated with light-scattering agent.