CN211694400U

CN211694400U - LED lamp

Info

Publication number: CN211694400U
Application number: CN202020231517.2U
Authority: CN
Inventors: 傅明燕; 曹亮亮; 林立平
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-16
Anticipated expiration: 2030-02-28

Abstract

The application discloses LED lamp, including the drive casing, locate the drive assembly in the drive casing, install the lamp holder on the drive casing, the lower heat dissipation piece that links to each other with the drive casing, the last heat dissipation piece that links to each other with lower heat dissipation piece, butt in the heat pipe between last heat dissipation piece and lower heat dissipation piece to and install the light source board on last heat dissipation piece. The light source board is the main source that generates heat, and the heat transfer that the light source board sent is to the top radiating piece to transmit to the heat pipe, the heat pipe has better heat conductivity, therefore the heat pipe can be with heat fast transfer to each region of top radiating piece and lower radiating piece, and then accelerate the heat transfer rate in top radiating piece and the lower radiating piece. Therefore, under the condition that the thicknesses of the upper radiating piece and the lower radiating piece are smaller, the thermal resistances of the upper radiating piece and the lower radiating piece are effectively reduced, the thicknesses of the upper radiating piece and the lower radiating piece are not required to be set to be very large, and the miniaturization of the upper radiating piece and the lower radiating piece is further realized.

Description

LED lamp

Technical Field

The application relates to the field of lighting equipment, in particular to an LED lamp.

Background

At present, radiators adopted by high-power mining lamps, high shed lamps and high-power bulb lamps mainly radiate heat in modes of die-casting aluminum, aluminum fins, stamping aluminum, magnesium alloy, high-thermal-conductivity composite materials and the like. In order to ensure the heat dissipation effect, the structure of the heat sink needs to be set to be large enough, so that the size of the lamp is large, the weight of the lamp is also large, and the product cannot be thinned.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a LED lamp, aim at solving prior art, the great problem of radiator of high power lamps and lanterns.

To achieve the purpose, the embodiment of the application adopts the following technical scheme:

the LED lamp comprises a drive shell, a drive assembly arranged in the drive shell, a lamp cap arranged on the drive shell, a lower radiating piece connected with the drive shell, an upper radiating piece connected with the lower radiating piece, a heat pipe abutted against the upper radiating piece and the lower radiating piece, and a light source plate arranged on the upper radiating piece.

In one embodiment, the heat pipe comprises a straight pipe and a bent pipe connected with at least one end of the straight pipe; the bent pipe is arranged at the edge of the lower heat dissipation part.

In one embodiment, the lower heat dissipation member is provided with a positioning groove adapted to the straight pipe.

In one embodiment, the number of the heat pipes is two, and the straight pipes of the two heat pipes are parallel to each other.

In one embodiment, the bends of the two heat pipes are located on the same circumference.

In one embodiment, the lower heat sink has a first heat dissipation hole and a second heat dissipation hole, and the first heat dissipation hole and the second heat dissipation hole are respectively located at two opposite sides of the bent tube.

In one embodiment, the upper heat sink is provided with a third heat dissipation hole corresponding to the first heat dissipation hole and a fourth heat dissipation hole corresponding to the second heat dissipation hole; the third heat dissipation hole and the fourth heat dissipation hole are respectively located on two opposite sides of the bent pipe.

In one embodiment, the upper heat dissipating member is provided with an installation groove, and the light source plate is installed in the installation groove.

In one embodiment, a heat conductive colloid is filled between the driving assembly and the driving shell.

In one embodiment, a driving cover is disposed between the lower heat dissipating member and the driving housing, the driving cover is fixedly connected to the driving housing, and the lower heat dissipating member is fixedly connected to the driving cover.

In one embodiment, the light source module further comprises a lens assembly connected with the upper heat dissipation member and covering the outer part of the light source plate.

The beneficial effects of the embodiment of the application are as follows: the light source board is the main source that generates heat, and the heat transfer that the light source board sent is to the top radiating piece to transmit to the heat pipe, the heat pipe has better heat conductivity, therefore the heat pipe can be with heat fast transfer to each region of top radiating piece and lower radiating piece, and then accelerate the heat transfer rate in top radiating piece and the lower radiating piece. Therefore, under the condition that the thicknesses of the upper radiating piece and the lower radiating piece are smaller, the thermal resistances of the upper radiating piece and the lower radiating piece are effectively reduced, the thicknesses of the upper radiating piece and the lower radiating piece are not required to be set to be very large, and the miniaturization of the upper radiating piece and the lower radiating piece is further realized.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an LED lamp according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of an LED lamp in an embodiment of the present application;

FIG. 3 is a schematic diagram of an internal structure of an LED lamp according to an embodiment of the present disclosure;

in the figure:

1. a drive housing; 2. a lamp cap; 3. a lower heat sink; 31. a first heat dissipation hole; 32. a second heat dissipation hole; 33. positioning a groove; 4. an upper heat sink; 41. a third heat dissipation hole; 42. a fourth heat dissipation aperture; 43. mounting grooves; 5. a heat pipe; 51. a straight pipe; 52. bending the pipe; 6. a light source plate; 7. a drive cap; 8. a lens assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The following detailed description of implementations of the present application is provided in conjunction with specific embodiments.

As shown in fig. 1 to 3, an embodiment of the present application provides an LED lamp, which includes a driving housing 1, a driving assembly disposed in the driving housing 1, a lamp cap 2 mounted on the driving housing 1, a lower heat sink 3 connected to the driving housing 1, an upper heat sink 4 connected to the lower heat sink 3, a heat pipe 5 abutting between the upper heat sink 4 and the lower heat sink 3, and a light source plate 6 mounted on the upper heat sink 4.

In the embodiment of this application, light source board 6 is the main source that generates heat, and the heat that light source board 6 sent transmits to upper heat dissipation piece 4 to transmit to heat pipe 5, heat pipe 5 has better heat conductivity, therefore heat pipe 5 can transmit the heat to each region of upper heat dissipation piece 4 and lower heat dissipation piece 3 fast, and then accelerates the heat transfer rate in upper heat dissipation piece 4 and lower heat dissipation piece 3. Therefore, under the condition that the thicknesses of the upper heat dissipation member 4 and the lower heat dissipation member 3 are smaller, the thermal resistances of the upper heat dissipation member 4 and the lower heat dissipation member 3 are effectively reduced, the thicknesses of the upper heat dissipation member 4 and the lower heat dissipation member 3 do not need to be set to be very large (the thicknesses and the volumes are increased, the thermal resistances can be reduced), the miniaturization of the upper heat dissipation member 4 and the lower heat dissipation member 3 is further realized, and finally the LED lamp is light, thin and attractive.

Referring to fig. 1-3, as another embodiment of the LED lamp provided by the present application, the heat pipe 5 includes a straight pipe 51 and an elbow pipe 52 connected to at least one end of the straight pipe 51; a bent tube 52 is provided at the edge of the lower heat sink 3. The straight tube 51 may traverse the upper heat sink 4 and the lower heat sink 3, and the bent tube 52 may be distributed along the edges of the upper heat sink 4 and the lower heat sink 3, so as to rapidly transfer heat generated from the light source plate 6 at the center to the edges of the upper heat sink 4 and the lower heat sink 3.

Referring to fig. 1-3, as another embodiment of the LED lamp provided by the present application, the lower heat dissipating member 3 is provided with a positioning groove 33 adapted to the straight tube 51, and the straight tube 51 is installed in the positioning groove 33, so that the position of twisting is not easy to occur.

Referring to fig. 1-3, as another embodiment of the LED lamp provided by the present application, the number of the heat pipes 5 is two, and the straight pipes 51 of the two heat pipes 5 are parallel to each other and respectively cover one side of the upper heat dissipation member 4 and one side of the lower heat dissipation member 3.

Referring to fig. 1-3, as another embodiment of the LED lamp provided by the present application, the bent pipes 52 of the two heat pipes 5 are located on the same circumference, so as to be disposed around the edges of the upper heat dissipation member 4 and the lower heat dissipation member 3, so that heat can be fully transferred to the middle and edge positions of the upper heat dissipation member 4 and the lower heat dissipation member 3.

Referring to fig. 1-3, as another embodiment of the LED lamp provided by the present application, a first heat dissipation hole 31 and a second heat dissipation hole 32 are formed on the lower heat dissipation member 3, and the first heat dissipation hole 31 and the second heat dissipation hole 32 are respectively located at two opposite sides of the bent tube 52, so as to realize convection of air at two sides of the heat pipe 5 and increase the heat dissipation rate.

Referring to fig. 1-3, as another embodiment of the LED lamp provided by the present application, the upper heat sink 4 is provided with a third heat sink 41 corresponding to the first heat sink 31 and a fourth heat sink 42 corresponding to the second heat sink 32, air convection can be formed between the first heat sink 31 and the third heat sink 41, and convection can be formed between the second heat sink 32 and the fourth heat sink 42 to increase the heat dissipation rate; the third heat dissipation hole 41 and the fourth heat dissipation hole 42 are respectively located at two opposite sides of the bent pipe 52.

Referring to fig. 1-3, as another embodiment of the LED lamp provided by the present application, an installation groove 43 is formed in the upper heat sink 4, the light source plate 6 is installed in the installation groove 43 and is abutted against the inner wall and the bottom of the installation groove 43, and heat generated by the light source plate 6 can be sufficiently transferred to the upper heat sink 4, and then reaches the heat pipe 5 and the lower heat sink 3.

Referring to fig. 1-3, as another embodiment of the LED lamp provided by the present application, a heat conductive adhesive is filled between the driving assembly and the driving housing 1, and the heat generated by the driving can be quickly transferred to the driving housing 1 and dissipated into the air.

Referring to fig. 1-3, as another embodiment of the LED lamp provided by the present application, a driving cover 7 is disposed between the lower heat sink 3 and the driving housing 1, the driving cover 7 is fixedly connected to the driving housing 1, and the lower heat sink 3 is fixedly connected to the driving cover 7.

Referring to fig. 1-3, as another embodiment of the LED lamp provided by the present application, a lens assembly 8 is further included, which is connected to the upper heat sink 4 and covers the light source board 6.

It is to be understood that aspects of the present invention may be practiced otherwise than as specifically described.

It should be understood that the above examples are merely examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

The LED lamp is characterized by comprising a driving shell, a driving assembly arranged in the driving shell, a lamp cap arranged on the driving shell, a lower radiating piece connected with the driving shell, an upper radiating piece connected with the lower radiating piece, a heat pipe abutted against the upper radiating piece and the heat pipe arranged between the lower radiating pieces, and a light source plate arranged on the upper radiating piece.
2. The LED lamp of claim 1, wherein the heat pipe comprises a straight pipe and an elbow connected to at least one end of the straight pipe; the bent pipe is arranged at the edge of the lower heat dissipation part.
3. The LED lamp of claim 2, wherein the lower heat sink defines a positioning slot adapted to the straight tube.
4. The LED lamp of claim 2, wherein the number of heat pipes is two, and the straight pipes of the two heat pipes are parallel to each other.
5. The LED lamp of claim 4, wherein the bent tubes of the two heat pipes are located on the same circumference.
6. The LED lamp of claim 2, wherein the lower heat sink has a first heat dissipation hole and a second heat dissipation hole, the first heat dissipation hole and the second heat dissipation hole are respectively located at two opposite sides of the bent tube.
7. The LED lamp of claim 6, wherein the upper heat sink is formed with a third heat sink corresponding to the first heat sink and a fourth heat sink corresponding to the second heat sink; the third heat dissipation hole and the fourth heat dissipation hole are respectively located on two opposite sides of the bent pipe.
8. The LED lamp of any of claims 1-7, wherein the upper heat sink defines an installation slot, and the light source board is installed in the installation slot.
9. The LED lamp of any of claims 1-7, wherein a thermally conductive gel is filled between the driver assembly and the driver housing.
10. The LED lamp of any of claims 1-7, wherein a drive cover is disposed between the lower heat sink and the drive housing, the drive cover is fixedly connected to the drive housing, and the lower heat sink is fixedly connected to the drive cover.