CN209622625U - A kind of LED light radiator structure - Google Patents

Abstract

The utility model discloses a heat dissipation structure for an LED lamp, which comprises a lampshade, a bottom plate, a bracket, a fan, a heat dissipation piece, an LED light source and a connector; the lampshade forms an accommodating cavity, the upper end of the bracket is fixed on the top of the accommodating cavity, and the bottom plate is fixed on the bracket The lower end of the lower end of the bottom plate and the periphery of the bottom plate are sealed and fitted to the side wall of the accommodating chamber; the fan and the heat sink are fixed on the bracket, and the fan is located above the heat sink, and the upper surface of the heat sink protrudes toward the fan to form a number of cooling fins The LED light source is connected and fixed on the lower surface of the heat sink; the fan and the LED light source are respectively electrically connected to the connector, and the connector is fixed on the top of the lampshade. The utility model increases the heat dissipation area by setting the heat dissipation fins on the heat dissipation parts, and blows and cools the heat dissipation fins through the fan to improve the heat dissipation effect of the LED light source; External dust and the like will not enter the lampshade, which can ensure the heat dissipation effect and service life of the LED light source.

Description

A kind of LED light heat dissipation structure

technical field

The utility model relates to the field of lamps, in particular to a heat dissipation structure of an LED lamp.

Background technique

With the rapid development of social economy and the enhancement of people's awareness of environmental protection, early incandescent lamps have gradually faded out of people's work and life, while LED lamps have been more and more widely used because of their energy saving, environmental protection and long service life. With the continuous promotion and application of LED lamps in the market, the research and development of its multi-function and novelty is a necessary condition to meet the needs of the market. The heat dissipation effect of existing LED lights is poor, especially the LED lights used in construction sites, factories and other environments, the power is often several times higher than that of household LED lights, and higher requirements are put forward for the heat dissipation function of the lights. Moreover, external moisture, dust, etc. will enter into the lamp when the LED lamp of the existing structure dissipates heat, affecting the lighting effect and service life.

In view of this, the designer aimed at many shortcomings and inconveniences caused by the imperfection of the above-mentioned structural design, and deeply conceived, and actively researched, improved and tried to develop and design the utility model.

Utility model content

The purpose of this utility model is to provide a heat dissipation structure for LED lamps, which improves the heat dissipation effect of high-power LED lamps, and prevents external moisture and dust from entering the interior of the lamps, thereby ensuring the lighting effect and prolonging the service life.

In order to achieve the above object, the solution of the present utility model is:

A heat dissipation structure for an LED lamp, comprising a lampshade, a bottom plate, a bracket, a fan, a heat sink, an LED light source, and a connector for connecting to a power supply; The bottom plate is fixed on the lower end of the support and the periphery of the bottom plate is sealed and fitted to the side wall of the accommodating cavity; the fan and the heat sink are fixed on the support, and the fan is located above the heat sink, and the upper surface of the heat sink protrudes toward the fan direction A plurality of cooling fins are formed; the LED light source is connected and fixed on the lower surface of the heat sink; the fan and the LED light source are respectively electrically connected to the connecting head, and the connecting head is fixed on the top of the lampshade.

A through hole is formed on the base plate corresponding to the position of the LED light source, the LED light source is penetrated through the through hole, and the surface of the LED light source is sealed and matched with the side wall of the through hole.

The lower surface of the heat sink is adhered to the bottom plate.

A ring-shaped seal is sheathed on the periphery of the bottom plate, and the seal is located between the bottom plate and the side wall of the accommodating chamber.

A hanging ring for hanging the lampshade is connected to the top of the connecting head.

After adopting the above-mentioned structure, the utility model increases the heat dissipation area of the heat dissipation element by setting the heat dissipation fins on the heat dissipation element, and blows the heat dissipation fins by setting the fan and conducts the heat to the lampshade, and the LED through the large-area lampshade The heat of the light source is dissipated, thereby improving the heat dissipation effect of the LED light source; and the utility model is integrally sealed, and the heat conduction is realized through the lampshade and the outside world, and the outside air and dust will not enter the lampshade during heat dissipation, thereby ensuring the heat dissipation effect of the LED light source and service life.

In addition, the utility model has a simple structure, is easy to install, and has low production cost.

Description of drawings

Fig. 1 is a perspective view (1) of a specific embodiment of the utility model;

Fig. 2 is a perspective view (2) of a specific embodiment of the utility model;

Fig. 3 is the exploded schematic diagram of Fig. 1;

Fig. 4 is the exploded schematic diagram of Fig. 2;

Fig. 5 is a schematic diagram of the heat dissipation process of the utility model.

Explanation of reference numbers:

1. Lampshade; 11. Accommodating cavity; 2. Bottom plate; 21. Through hole; 3. Bracket; 4. Fan; 5. Heat sink; 51. Heat dissipation fin; 6. LED light source; 7. Connector; 71. Hanging ring; 8. Seal.

Detailed ways

In order to further explain the technical solution of the utility model, the utility model is described in detail through specific examples below.

As shown in Figures 1 to 4, the utility model is a heat dissipation structure for an LED lamp, including a lampshade 1, a bottom plate 2, a bracket 3, a fan 4, a heat sink 5, an LED light source 6 and a connector 7 for connecting a power supply, The bracket 3 is fixed in the cavity between the lampshade 1 and the bottom plate 2 , the fan 4 , the heat sink 5 , and the LED light source 6 are all fixed on the bracket 3 , and the fan 4 and the LED light source 6 are electrically connected to the connector 7 respectively.

The above-mentioned lampshade 1 is formed with an accommodating cavity 11, the upper end of the bracket 3 is fixed on the top of the accommodating cavity 11 by screws, the bottom plate 2 is fixed on the lower end of the bracket 3 by screws and the periphery of the bottom plate 2 is sealingly fitted to the side wall of the accommodating cavity 11 , so that the accommodating cavity 11 between the lampshade 1 and the base plate 2 becomes a closed cavity; in this embodiment, the periphery of the base plate 2 is provided with a ring-shaped seal 8, and the seal 8 is located between the base plate 2 and the accommodating cavity. 11 between the side walls to enhance the sealing between the two.

The above-mentioned fan 4 and heat sink 5 are all fixed on the bracket 3 by screws, and the fan 4 is located above the heat sink 5, and the upper surface of the heat sink 5 protrudes toward the direction of the fan 4 to form a plurality of cooling fins 51 to increase heat dissipation. The contact area between part 5 and the air improves the heat dissipation effect. The LED light source 6 is connected and fixed on the lower surface of the heat sink 5 to realize heat conduction between the two. The bottom plate 2 is formed with a through hole 21 corresponding to the position of the LED light source 6. The LED light source 6 is penetrated through the through hole 21 and the surface of the LED light source 6 is sealed and fitted to the side wall of the through hole 21; Close to the base plate 2, prevent air from entering the accommodating cavity 11 from the gap between the through hole 21 and the LED light source 6, so as to increase the sealing performance.

The above-mentioned connector 7 is fixed on the top of the lampshade 1, and the top of the connector 7 is connected with a hanging ring 71, so as to conveniently hang the utility model on a high place to realize lighting.

In this embodiment, the components are fixed by screws to ensure stability, but other types of fixing structures can also be used instead.

As shown in Figure 5, when the utility model works, the LED light source 6 emits light and generates heat, the heat is conducted to the heat sink 5 through the contact between the LED light source 6 and the heat sink 5, and is dissipated through the heat dissipation fins 51, and the fan 4 faces The heat dissipation fins 51 are blown to cool down the heat dissipation fins 51 and take away the heat on the surface of the heat dissipation fins 51 through the air flow. Contact with the air outside the lampshade 1 to exchange heat, and the cooled air continues to be driven by the fan 4 to blow to the cooling fins 51 after being circulated, thereby realizing the air internal circulation and heat conduction of the utility model, and realizing the heat dissipation of the LED light source 6 .

Through the above structure, the utility model increases the heat dissipation area of the heat dissipation element 5 by arranging the heat dissipation fins 51 on the heat dissipation element 5, and blows the heat dissipation fins 51 by setting the fan 4 and conducts the heat to the lampshade 1. The large-area lampshade 1 dissipates the heat of the LED light source 6, thereby improving the heat dissipation effect of the LED light source 6; and the utility model is sealed as a whole, and heat conduction is realized through the lampshade 1 and the outside world, and the outside air and dust will not enter the lampshade 1 during heat dissipation In this way, the heat dissipation effect and service life of the LED light source 6 can be guaranteed.

In addition, the utility model has a simple structure, is easy to install, and has low production cost.

The above-mentioned embodiments and drawings do not limit the product form and style of the present utility model, and any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of the present utility model.

Claims (5)

1. A heat dissipation structure for an LED lamp, characterized in that: it comprises a lampshade, a base plate, a support, a fan, a heat sink, an LED light source and a connector for connecting to a power supply; the lampshade is formed with an accommodating cavity, and the upper end of the support is fixed On the top of the accommodating cavity, the bottom plate is fixed on the lower end of the bracket and the peripheral edge of the bottom plate is sealed and fitted on the side wall of the accommodating cavity; The surface protrudes toward the direction of the fan to form several cooling fins; the LED light source is connected and fixed on the lower surface of the heat sink; the fan and the LED light source are respectively electrically connected to the connector, and the connector is fixed on the top of the lampshade. 2. The heat dissipation structure of an LED lamp according to claim 1, wherein a through hole is formed on the bottom plate corresponding to the position of the LED light source, the LED light source is penetrated through the through hole and the surface of the LED light source is sealed and fitted in the through hole side wall. 3. The LED lamp heat dissipation structure according to claim 1 or 2, characterized in that: the lower surface of the heat dissipation element is attached to the bottom plate. 4 . The heat dissipation structure of an LED lamp according to claim 1 , wherein a ring-shaped seal is sheathed on the periphery of the bottom plate, and the seal is located between the bottom plate and the side wall of the accommodating cavity. 5 . 5 . The heat dissipation structure of an LED lamp according to claim 1 , wherein a hanging ring for hanging the lampshade is connected to the top of the connector. 5 .