CN210088797U

CN210088797U - High-efficient LED lamp forced air cooling radiator

Info

Publication number: CN210088797U
Application number: CN201920594653.5U
Authority: CN
Inventors: 祝忠清
Original assignee: Hangzhou Hao Feng Science And Technology Ltd
Current assignee: Hangzhou Hao Feng Science And Technology Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-02-18
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a high-efficient LED lamp forced air cooling radiator, including LED array and lamp body, LED array below is equipped with the heat-conducting plate, the heat-conducting plate lower surface is equipped with the first radiating fin who encloses into the round, is equipped with main heat pipe in the middle of the heat-conducting plate lower surface, main heat pipe downwardly extending surpasss first radiating fin's lower extreme, and main heat pipe's lower extreme forking forms a plurality of vice heat pipes, vice heat pipe other end opening is fixed on the inside wall of lamp body, and the lower surface of vice heat pipe is equipped with a plurality of air outlets, and the lamp body bottom is equipped with radiator fan. The utility model discloses simple structure, the radiating effect is good, through set up the heat conduction that the heat-conducting plate gived off it to radiating fin and cooling tube in LED array below for thermal giving off, be equipped with radiator fan in addition the bottom and blow, force the air convection to the air in the lamp body, further accelerated the heat and gived off, improved the radiating efficiency.

Description

High-efficient LED lamp forced air cooling radiator

Technical Field

The utility model relates to a LED lamp heat abstractor technical field, concretely relates to high-efficient LED lamp forced air cooling radiator.

Background

With the enhancement of the concept of energy conservation by people, the LED lamp is widely applied to the lighting industry as a new generation of green energy, has been widely developed and applied in the society in recent years, and gradually replaces incandescent lamps, fluorescent lamps and even energy-saving lamps. It has the advantages of low power consumption, pure light and color, all solid state, light weight, small volume, environmental protection, etc. One of the main problems of the currently used LED lamps is that when the LED lamp emits light, a part of energy is converted into heat, which causes the temperature of the LED chip to rise. The temperature has a great influence on the working performance of the LED chip, and the high temperature can cause the serious consequences of reduction of photons emitted by the chip, quality reduction of color temperature, acceleration of chip aging, final shortening of the service life of a device and the like. Therefore, in order to ensure the normal operation of the LED lamp, an effective heat dissipation device must be adopted to dissipate the heat dissipated by the LED lamp in time, so as to reduce the operating temperature of the LED lamp, especially the temperature of the light emitting unit and the circuit controller of the LED lamp, and prolong the service life of the whole LED lamp.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provide a high-efficient LED lamp forced air cooling radiator.

The utility model adopts the following technical scheme:

the utility model provides a high-efficient LED lamp forced air cooling radiator, includes LED array and lamp body, lamp body upper portion is equipped with the lamp stand seat, the LED array sets up on the lamp stand seat, lamp stand seat below is equipped with the heat-conducting plate, the heat-conducting plate lower surface is equipped with a plurality of first radiating fin that enclose into the round the heat-conducting plate border, encloses into the round form a vertical passageway in the middle of the first radiating fin, be equipped with the leading heat pipe of a perpendicular connection heat-conducting plate in the passageway, leading heat pipe downwardly extending and surpassing first radiating fin's lower extreme, the lower extreme of leading heat pipe forked forms a plurality of vice heat pipes, the one end opening of leading heat pipe is kept away from to vice heat pipe and fixes on the inside wall of lamp body, and the opening and the outside intercommunication of lamp body of vice heat pipe, and the lower surface.

As a preferred technical scheme of the utility model, heat-conducting plate week side is equipped with the second radiating fin of horizontal setting.

As a preferred technical scheme of the utility model, first radiating fin is right angle trapezoidal form and its upper base length is less than going to the bottom, and the longer going to the bottom of first radiating fin length is fixed on the heat-conducting plate, and the shorter upper base is its lower extreme, and its right angle waist is located by heat-conducting plate center one side and perpendicular to heat-conducting plate, and its oblique waist is located the outside of heat-conducting plate.

As an optimized technical scheme of the utility model, vice heat pipe is equipped with three at least.

The utility model has the advantages that:

the utility model discloses simple structure, the radiating effect is good, through set up the heat conduction that the heat-conducting plate gived off it to radiating fin and cooling tube in LED array below for thermal giving off, be equipped with radiator fan in addition the bottom and blow, force the air convection to the air in the lamp body, further accelerated the heat and gived off, improved the radiating efficiency.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a bottom view of the heat-conducting plate;

fig. 3 is a schematic arrangement diagram of the first heat dissipation fins.

The symbols in the drawings illustrate that:

1: LED array, 2: lamp envelope, 3: lamp holder, 4: heat-conducting plate, 5: first heat radiation fin, 51: upper base, 52: lower base, 53: right-angled waist, 54: oblique waist, 6: second heat dissipating fin, 7: main heat-conducting pipe, 8: secondary heat transfer pipe, 9: a heat dissipation fan.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, a high-efficiency LED lamp air-cooled heat sink comprises an LED array 1, a lamp housing 2, a lamp frame base 3, a heat conducting plate 4, a first heat dissipating fin 5, a second heat dissipating fin 6, a main heat dissipating pipe 7, an auxiliary heat conducting pipe 8 and a heat dissipating fan 9, wherein the lamp frame base 3 is disposed on the upper portion of the lamp housing 2, the edge of the lamp frame base 3 is fixed on the side wall of the lamp housing 2, the LED array 1 is disposed on the lamp frame base 3, the lamp frame base 3 divides the lamp housing 2 into an upper space and a lower space which are not communicated with each other, the LED array 1 is disposed in the upper space of a light emitting area, the lower space of the lamp housing 2 is a heat dissipating space, the heat conducting plate 4 is disposed below the lamp frame base 3, the lower surface of the heat conducting plate 4 is provided with a plurality of first heat dissipating fins 5 which surround the edge of the heat conducting plate 4 into a circle, the first heat dissipating fin 5 is in a right-angle trapezoidal shape, the, the upper bottom 51 with shorter length is the lower end thereof, the right-angled waist 53 is positioned at one side close to the center of the heat conducting plate 4 and is vertical to the heat conducting plate 4, the oblique waist 54 is positioned at the outer side of the heat conducting plate 4, a vertical channel with the right-angled waist as the side wall is formed among a plurality of first radiating fins 5 which enclose a circle, a main heat pipe 7 which is vertically connected with the heat conducting plate is arranged in the channel, the lower end of the main heat pipe 7 extends downwards and exceeds the lower end of the first radiating fins 5 (namely the upper bottom 51 of the first radiating fins 5), the lower end of the main heat pipe 7 is forked to form a plurality of auxiliary heat pipes 8, if the auxiliary heat pipes 8 are at least three, one end of the auxiliary heat pipe 8 far away from the main heat pipe 7 is opened and fixed on the inner side wall of the lamp shell 2, the opening of the auxiliary heat pipe 8 is communicated with the outside of the lamp shell, and second radiating fins 6 transversely arranged are arranged on the periphery of the heat conducting plate 4.

The utility model discloses the during operation, the heat that LED array 1 gived off is conducted to heat-conducting plate 4 of below by lamp stand seat 3, is conducted to first radiating fin 5, second radiating fin 6, leading heat pipe 7 and vice heat pipe 8 by heat-conducting plate 4 again and dispels the heat, and simultaneously, the radiator fan 9 that is located the below up air supply for the heat exchange of radiating fin, heat pipe and air, hot-blast vice heat pipe 8 that gets into by the air exit, at last from the opening discharge of vice heat pipe 8. One side close to the heat conducting plate 4 is the closest place to the heat source, namely the LED array 1, and the heat quantity of the side is the most, so that the area of the first heat radiating fin 5 on the side is increased as much as possible, the first heat radiating fin 5 which is enclosed into a circle is integrally formed into a cone which is wide at the top and narrow at the bottom, the contact area of the upper part of the cone and air is increased, namely, the heat radiating area is increased, meanwhile, the air flow convection of the heat radiating fan 9 which supplies air upwards is smooth, and the forced convection heat exchange effect is better.

Finally, it should be noted that: these embodiments are merely illustrative of the present invention and do not limit the scope of the invention. In addition, other variations and modifications will be apparent to persons skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims

1. The utility model provides a high-efficient LED lamp forced air cooling radiator, includes LED array (1) and lamp body (2), its characterized in that: the LED lamp is characterized in that a lamp frame base (3) is arranged on the upper portion of the lamp shell (2), the LED array (1) is arranged on the lamp frame base (3), a heat conducting plate (4) is arranged below the lamp frame base (3), a plurality of first radiating fins (5) which surround the edge of the heat conducting plate (4) into a circle are arranged on the lower surface of the heat conducting plate (4), a vertical channel is formed in the middle of the first radiating fins (5) which surround the circle, a main radiating pipe (7) which is vertically connected with the heat conducting plate (4) is arranged in the channel, the main radiating pipe (7) extends downwards and exceeds the lower end of the first radiating fins (5), the lower end of the main radiating pipe (7) is forked to form a plurality of auxiliary heat conducting pipes (8), one end of each auxiliary heat conducting pipe (8) far away from the main radiating pipe (7) is opened and fixed on the inner side wall of the lamp shell (2), and, the lower surface of the auxiliary heat conduction pipe (8) is provided with a plurality of air outlets, and the bottom of the lamp shell (2) is provided with a cooling fan (9).

2. The LED lamp air-cooled radiator of claim 1, wherein: and second radiating fins (6) transversely arranged are arranged on the peripheral side of the heat conducting plate (4).

3. The LED lamp air-cooled radiator of claim 1, wherein: first radiating fin (5) are right angle trapezoidal shape and its upper base (51) length is less than lower base (52), and the longer lower base (52) of first radiating fin (5) length is fixed on heat-conducting plate (4), and shorter upper base (51) is its lower extreme, and its right angle waist (53) are located and lean on heat-conducting plate (4) center one side and perpendicular to heat-conducting plate (4), and its oblique waist (54) are located the outside of heat-conducting plate (4).

4. The LED lamp air-cooled radiator of claim 1, wherein: the number of the auxiliary heat conduction pipes (8) is at least three.