CN104329651A - LED (light-emitting diode) lamp with fan - Google Patents

Abstract

An LED lamp with a fan includes a substrate packaged with LED lamp beads, a controller electrically connected to the LED lamp beads, a base connected to the substrate, a lampshade connected to the base, and a fan connected to the lampshade. The lampshade includes a panel and a plurality of reflective cups connected with the panel. The reflector cups accommodate LED lamp beads one by one, and there is a light hole at the connection between the panel and the reflector cup. The panel is also provided with an air inlet, and the end connecting the base and the lampshade is provided with a connecting ring, and the connecting ring is provided with a plurality of cooling holes arranged at intervals. The connecting ring is connected with the panel, and the fan is arranged on the side where the panel is connected with the connecting ring. For the above-mentioned LED lamp with a fan, when the LED lamp is turned on, the blades of the fan arranged on the lampshade start to rotate, so as to speed up the air flow between the lampshade and the base plate. Under the rotation of the fan blades, the air between the lampshade and the base plate can quickly convect with the air outside the lampshade, which can improve the heat dissipation efficiency of the LED lamp.

Description

LED light with fan

technical field

The invention relates to an LED lamp, in particular to an LED lamp with a fan.

Background technique

LED (Light Emitting Diode), that is, semiconductor electric light source, light-emitting diode, also known as semiconductor lamp, is a kind of electric light source without filament, which directly converts electrical energy into light energy.

LED lights have the characteristics of energy saving and long life, avoiding the trouble of changing bulbs frequently, and are favored by more and more users. However, the heat dissipation problem of LED lights is also a key issue, which seriously affects the light efficiency and life of LED light sources. For traditional LED lamps, the lampshade used for concentrating light is generally closed. Such a lampshade cannot dissipate heat from the substrate, resulting in low heat dissipation efficiency and high temperature of the LED light source, which affects the light efficiency and performance of the LED. life.

Contents of the invention

Based on this, it is necessary to provide an LED lamp with a fan with higher heat dissipation efficiency.

The LED lamp with a fan includes a substrate packaged with LED lamp beads, a controller electrically connected to the LED lamp beads, a base connected to the substrate, a lampshade connected to the base, and a fan connected to the lampshade. The lampshade includes a panel and a plurality of reflective cups connected with the panel. The reflector cups accommodate LED lamp beads one by one, and there is a light hole at the connection between the panel and the reflector cup. The panel is also provided with an air inlet, and the end connecting the base and the lampshade is provided with a connecting ring, and the connecting ring is provided with a plurality of cooling holes arranged at intervals. The connecting ring is connected with the panel, and the fan is arranged on the side where the panel is connected with the connecting ring.

In one embodiment, the connecting ring is further connected with a first cooling fin protruding inward at the edge of the cooling hole, and the first cooling fin forms an included angle of 5°-85° with the radial direction of the connecting ring.

In one of the embodiments, there are multiple air intake holes, and each air intake hole is arranged in a coaxial circular arrangement with the axis of the fan as the center line.

In one of the embodiments, the reflective cups are arranged in a circular arrangement with the axis of the panel as the center line.

In one of the embodiments, the axis of the fan coincides with the axis of the panel.

In one of the embodiments, the height of the fan is smaller than that of the reflector.

In one of the embodiments, the panel, the substrate and the connecting ring are all circular, and the cooling holes are arranged along the circumferential direction of the connecting ring.

In one of the embodiments, a plurality of second cooling fins are connected to the outer wall of the base.

For the above-mentioned LED lamp with a fan, when the LED lamp is turned on, the blades of the fan arranged on the lampshade start to rotate, so as to speed up the air flow between the lampshade and the base plate. Under the rotation of the fan blades, the air between the lampshade and the base plate can quickly convect with the air outside the lampshade, which can improve the heat dissipation efficiency of the LED lamp.

In addition, the edge of the heat dissipation hole is also connected with the first heat dissipation fin protruding inward, and the first heat dissipation fin forms an angle of 5°-85° with the radial direction of the connecting ring, which is conducive to guiding the air to escape from the heat dissipation hole. At the same time, the first heat sink can also have the effect of heat dissipation. The air intake holes are coaxially arranged with the axis of the fan as the center line and arranged with multiple rings, which is beneficial for the fan to suck more air into the space between the lampshade and the base plate.

Description of drawings

Fig. 1 is the structural representation of the LED lamp with fan of the present invention;

Fig. 2 is a schematic diagram of the explosion of the LED lamp with fan shown in Fig. 1;

The meanings of each label in the accompanying drawings are:

10- LED light with fan;

110-substrate, 111-LED lamp beads;

120-controller;

130-base, 131-connecting ring, 132-cooling hole, 133-first heat sink, 134 second heat sink;

140-lampshade, 141-panel, 142-reflector, 143-air intake hole;

150 - fan.

Detailed ways

As shown in FIG. 1 and FIG. 2 , they are respectively a structural schematic diagram of the LED lamp 10 with a fan 150 of the present invention and an exploded schematic diagram of the LED lamp 10 with a fan shown in FIG. 1 .

The fan-equipped LED lamp 10 includes a substrate 110 packaged with LED lamp beads 111, a controller 120 electrically connected to the LED lamp beads 111, a base 130 connected to the substrate 110, a lampshade 140 connected to the base 130, and a lampshade connected to the lampshade. 140 is connected to a fan 150 . The fan 150 is disposed on the side where the panel 141 is connected to the connecting ring 131 , that is, the fan 150 is disposed between the lampshade 140 and the base plate 110 , and blows air towards the base plate 110 when the fan 150 is turned on.

The lampshade 140 includes a panel 141 and a plurality of reflective cups 142 connected to the panel 141 . The fan 150 is connected to the panel 141 , and the connection method can be screwed, welded, or a groove is provided in the middle of the panel 141 for clamping the fan 150 . The reflective cups 142 are arranged in a ring with the axis of the panel 141 as the centerline, and the axis of the fan 150 coincides with the axis of the panel 141 , that is, the fan 150 is arranged at the center of the ring surrounded by the plurality of reflective cups 142 . In order to allow the fan 150 to be disposed between the lampshade 140 and the base plate 110 , the height of the fan 150 is smaller than that of the reflective cup 142 . The reflective cups 142 are used to accommodate the LED lamp beads 111 in one-to-one correspondence, and the panel 141 is provided with a light outlet hole at the connection with each reflective cup 142 so that light can be emitted. The panel 141 is also provided with air intake holes 143 , there may be multiple air intake holes 143 , and each air intake hole 143 is coaxially arranged in a circular arrangement with the axis of the fan 150 as the center line.

A connection ring 131 is provided at one end of the base 130 connected to the lampshade 140 . The connection ring 131 is provided with a plurality of spaced cooling holes 132 , and the connection ring 131 is connected to the panel 141 of the lampshade 140 . The connecting ring 131 is also connected with a first cooling fin 133 protruding inward at the edge of the cooling hole 132. The first cooling fin 133 forms an angle of 5°-85° with the radial direction of the connecting ring 131, and is provided with an inwardly protruding fin 133. The first cooling fin 133 is provided to guide the flow direction of the wind blown by the fan 150 . The first cooling fin 133 is arranged to form an included angle of 5°-85° with the radial direction of the connecting ring 131 , so that the swirling wind generated by the fan 150 can pass through the cooling hole 132 more smoothly. The panel 141 , the base plate 110 and the connecting ring 131 can be in any shape, preferably circular, and the cooling holes 132 are arranged along the circumferential direction of the connecting ring 131 . The outer wall of the base 130 is connected with a plurality of second cooling fins 134 which are staggered with the cooling holes 132 .

When the LED lamp 10 with a fan is turned on, the blades of the fan 150 on the lampshade 140 start to rotate to speed up the air flow between the lampshade 140 and the base plate 110 . The air intake holes 143 on the panel 141 and the cooling holes 132 on the connecting ring 131 can provide channels for air convection. Under the rotation of the blades of the fan 150, the air between the lampshade 140 and the base plate 110 can be quickly discharged from the cooling holes 132 on the connecting ring 131, and the air outside the lampshade 140 can also enter through the air inlet 143 on the panel 141. between the lampshade 140 and the substrate 110 . In this way, the fan 150 has an obvious heat dissipation effect on the side of the substrate 110 on which the LED lamp bead 111 is packaged and on the base 130 , which can improve the heat dissipation efficiency of the LED lamp 10 .

The edge of the heat dissipation hole 132 is also connected with a first heat dissipation fin 133 protruding inward, and the first heat dissipation fin 133 forms an angle of 5°-85° with the radial direction of the connecting ring 131, and the air between the lampshade 140 and the base plate 110 is Driven by the blades of the fan 150, it is in the state of whirling flow. The first cooling fin 133 protrudes inward and can block a part of the whirling flow of air, which is beneficial for the air to escape from the cooling holes 132. At the same time, the first cooling fin 133 can also Play a cooling effect. The air intake holes 143 are coaxially arranged in multiple rings with the axis of the fan 150 as the center line, which is beneficial for the fan 150 to suck more air into the space between the lampshade 140 and the base plate 110 . The fan 150 arranged at the center of the panel 141 is conducive to a more uniform flow of air and can achieve a better heat dissipation effect.

The above-mentioned embodiments only express the preferred implementation of the present invention, and the descriptions thereof are more specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (8)

1. An LED lamp with a fan, characterized in that: it includes a substrate packaged with LED lamp beads, a controller electrically connected to the LED lamp beads, a base connected to the substrate, and a base connected to the base A lampshade and a fan connected to the lampshade, the lampshade includes a panel and a plurality of reflector cups connected to the panel, the reflector cups accommodate the LED lamp beads one by one, and the panel is connected to the reflector cups There is a light hole at the place, the panel is also provided with an air inlet, the end of the base connected to the lampshade is provided with a connecting ring, and the connecting ring is provided with a plurality of cooling holes arranged at intervals, and the connecting ring is connected to the lampshade. The panel is connected, and the fan is arranged on the side where the panel is connected to the connecting ring. 2. The LED lamp with a fan according to claim 1, characterized in that: the connecting ring is also connected with a first cooling fin protruding inward at the edge of the cooling hole, and the first cooling fin It forms an included angle of 5°-85° with the radial direction of the connecting ring. 3. The LED lamp with a fan according to claim 1, characterized in that: there are multiple air inlet holes, and each of the air inlet holes is coaxial and annular with the axis of the fan as the centerline Arrangement. 4 . The LED lamp with a fan according to claim 1 , wherein the reflector cups are arranged in a circular arrangement with the axis of the panel as the center line. 5. The LED lamp with a fan according to claim 1, wherein the axis of the fan coincides with the axis of the panel. 6. The LED lamp with fan according to claim 1, characterized in that: the height of the fan is smaller than the height of the reflector cup. 7 . The LED lamp with a fan according to claim 1 , wherein the panel, the base plate and the connecting ring are all circular, and the cooling holes are arranged along the circumferential direction of the connecting ring. 8 . 8. The LED lamp with a fan according to claim 1, wherein a plurality of second heat sinks are connected to the outer wall of the base.