CN209762993U - Small radiator for LED lamp - Google Patents

Abstract

The utility model discloses a small-size radiator is used to LED lamps and lanterns relates to LED heat dissipation technical field. The utility model discloses a box, bottom half central point puts the inwards recessed formation mounting groove, and the box inner wall bottom is fixed with the cooling tube, and the box top has the case lid through the fix with screw, and the case lid top is run through respectively has outlet duct, intake pipe and water injection pipe, and the outlet duct top is provided with the air discharge fan, and the outlet duct is located case lid bottom week side and has seted up the scavenge port, and outlet duct bottom week side is provided with the defroster. The utility model discloses a change the radiating mode, use the water-cooling heat dissipation, avoided using the relatively poor problem of radiating effect that air-cooled air mobility leads to, the device heat dissipation gas spare is big with the area of contact of rivers, can be timely with the heat conduction water-feeding flow that LED produced, cool down to LED, the cooling effect is showing, has avoided the inside temperature of chip to be higher and higher to the influence of LED luminous luminance, has guaranteed LED's life.

Description

Small radiator for LED lamp

Technical Field

The utility model belongs to the technical field of the LED heat dissipation, especially, relate to a small-size radiator is used to LED lamps and lanterns.

Background

An LED, i.e., a light emitting diode, is a solid-state semiconductor device capable of converting electrical energy into visible light, which can directly convert electricity into light. The heart of the LED is a semiconductor wafer, one end of the wafer is attached to a support, the other end of the wafer is a cathode, and the other end of the wafer is connected with an anode of a power supply, so that the whole wafer is packaged by epoxy resin. Compared with the traditional electric light source of the projection lamp, the LED light source is basically nonhazardous and free of electromagnetic pollution, has the advantages of small size, low energy consumption, high lighting effect, relatively low heat productivity, long service life and the like, and can replace the traditional light source to manufacture a road lamp. Because the single-chip LED has insufficient brightness, the LED lamp generally adopts an LED array structure, so that the heat concentration and the local over-high temperature of the LED lamp are generated, the light attenuation is aggravated, the normal use of the LED is influenced, and the service life is reduced.

With the increase of the power of the LED, the heat generation quantity is increased, and if the heat dissipation problem is not solved well, the heat is concentrated in the chip with small size, so that the internal temperature of the chip is higher and higher. Too high a temperature of the chip may cause many problems, such as accelerating the aging of the device, accelerating the light decay of the LED, shortening the service life, and even burning out the chip.

The common structure of the radiator for radiating the LED on the market at present comprises a circular substrate and radiating fins arranged on the back of the circular substrate, the radiating fins are unreasonable in design, so that the radiating area of the radiator is small, the radiating effect is not ideal, air cooling radiating is adopted, the radiating devices on the LED are small, so that the air flowability is poor, the conducted heat is small along with the air dissipation amount, and the radiating effect of the LED is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small-size radiator is used to LED lamps and lanterns has solved current LED radiator because air mobility is not good, and the radiating effect is poor, influences LED's life and the problem of luminance.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a small-size radiator is used to LED lamps and lanterns, the power distribution box comprises a box body, bottom half central point puts the inwards recessed formation mounting groove, the box inner wall bottom is fixed with the cooling tube, the box top has the case lid through the fix with screw.

The top of the box cover is respectively penetrated with an air outlet pipe, an air inlet pipe and a water injection pipe, the top end of the air outlet pipe is provided with an exhaust fan, the air outlet pipe is arranged on the circumferential side of the bottom of the box cover and is provided with a scavenging port, and the circumferential side of the bottom of the air outlet pipe is provided with a demister.

Furthermore, a heat absorbing plate is arranged inside the mounting groove, and mounting holes are formed in the bottom of the inner wall of the mounting groove and the four corners of the heat absorbing plate.

Furthermore, the top of the radiating pipe is sealed, the bottom of the radiating pipe is communicated with the mounting groove through the through hole, a through hole matched with the through hole is formed in the heat absorbing plate, and radiating fins are arranged on the peripheral side face of the radiating pipe.

Furthermore, a drain pipe penetrates through one side face of the box body, and a valve is mounted on the drain pipe.

Furthermore, the bottom end of the air inlet pipe, which is positioned in the box body, is provided with a one-way valve, and the one-way valve is a one-way exhaust valve.

Further, the bottom of the box cover is provided with an annular baffle matched with the demister.

Furthermore, a sealing sheet is arranged at one end, located at the bottom of the box cover, of the air outlet pipe, and a sealing plug is arranged at the top end of the water injection pipe.

The utility model discloses following beneficial effect has:

The utility model discloses a carry out structural improvement to current LED radiator, change the radiating mode, use water-cooling heat dissipation, avoided using the relatively poor problem of radiating effect that air-cooled air mobility leads to, the device heat dissipation air spare is big with the area of contact of rivers, can be timely with the heat conduction feedwater stream that LED produced, cool down to LED, the cooling effect is showing, avoided the inside temperature of chip to be higher and higher to the influence of LED luminous luminance, and simultaneously, LED's life has been guaranteed.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a small-sized heat sink for an LED lamp of the present invention;

FIG. 2 is a schematic diagram of the right side view of FIG. 1;

3 FIG. 3 3 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 2 3; 3

FIG. 4 is a schematic view of the lower right view of FIG. 1;

FIG. 5 is a schematic view of the bottom structure of the case cover of the present invention;

FIG. 6 is a schematic structural view of the heat dissipating tube of the present invention;

Fig. 7 is a schematic structural diagram of the intake pipe of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-box body, 2-mounting groove, 3-radiating pipe, 301-radiating fin, 4-box cover, 401-air outlet pipe, 402-air inlet pipe, 403-water injection pipe, 404-scavenging port, 405-annular baffle, 5-exhaust fan, 6-demister and 7-drain pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention relates to a small-sized heat sink for LED lamp, which comprises a box body 1, wherein a mounting groove 2 is formed at the bottom center of the box body 1 and is recessed inwards, a heat dissipation pipe 3 is fixed at the bottom of the inner wall of the box body 1, and a box cover 4 is fixed at the top of the box body 1 by screws.

The top of case lid 4 runs through respectively has outlet duct 401, intake pipe 402 and water injection pipe 403, and outlet duct 401 top is provided with exhaust fan 5, and outlet duct 401 is located 4 bottom week sides of case lid and has seted up scavenge port 404, and the side is provided with defroster 6 around outlet duct 401 bottom, and defroster 6 reduces the loss of moisture, using water wisely.

wherein, the inside absorber plate that is provided with of mounting groove 2, the position of 2 inner walls bottoms of mounting groove and absorber plate four corners is opened and is all been equipped with the mounting hole.

Wherein, 3 top sealings of cooling tube, through hole and 2 intercommunications of mounting groove are passed through to 3 bottoms of cooling tube, seted up on the absorber plate with through hole matched with through-hole, 3 side of week of cooling tube are provided with radiating fin 301, and radiating fin increases the area of contact of cooling tube 3 and cooling water, has improved the radiating efficiency.

Wherein, a drain pipe 7 penetrates through one side surface of the box body 1, and a valve is arranged on the drain pipe 7.

Wherein, the bottom that intake pipe 402 is located the box 1 inside is provided with the check valve, and the check valve is one-way discharge valve, and one-way discharge valve avoids the cooling water refluence.

Wherein, the bottom of the box cover 4 is provided with an annular baffle 405 matched with the demister 6.

Wherein, outlet duct 401 is located case lid 4 bottom one end and is provided with the gasket, and the gasket avoids the inside cooling water of box 1 to rock the spill, and water injection pipe 403 top is provided with the sealing plug.

One specific application of this embodiment is: the during operation, the heat that LED produced is in time absorbed by the absorber plate, the absorbed heat of absorber plate passes through the through hole and transmits inside cooling tube 3, and have the timely conduction of radiating fin 301 on 3 surfaces of cooling tube to give the inside rivers of box 1, and simultaneously, the heat is taken away to the inside air of air discharge fan 5 extraction box 1, make 1 internal pressure of box diminish, outside air is passed through one-way discharge valve by intake pipe 402 and gets into inside 1 box, form the air current when guaranteeing 1 inside pressure of box and stir the cooling water, make the heat exchange rapider, increase the radiating effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

the preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. The utility model provides a small-size radiator is used to LED lamps and lanterns which characterized in that: the radiating pipe type solar water heater comprises a box body (1), wherein the center position of the bottom of the box body (1) is inwards recessed to form a mounting groove (2), a radiating pipe (3) is fixed at the bottom of the inner wall of the box body (1), and a box cover (4) is fixed at the top of the box body (1) through a screw;

the top of the box cover (4) is respectively penetrated with an air outlet pipe (401), an air inlet pipe (402) and a water injection pipe (403), the top end of the air outlet pipe (401) is provided with an exhaust fan (5), the air outlet pipe (401) is located on the peripheral side face of the bottom of the box cover (4) and is provided with a scavenging port (404), and the peripheral side face of the bottom of the air outlet pipe (401) is provided with a demister (6).

2. The miniature heat sink for LED lamps and lanterns as claimed in claim 1, wherein said mounting groove (2) is internally provided with a heat absorbing plate, and the bottom of the inner wall of said mounting groove (2) and the four corners of said heat absorbing plate are provided with mounting holes.

3. The small-sized radiator for the LED lamp according to claim 1, wherein the top of the radiating pipe (3) is sealed, the bottom of the radiating pipe (3) is communicated with the mounting groove (2) through a through hole, and the peripheral side surface of the radiating pipe (3) is provided with a radiating fin (301).

4. The small radiator for the LED lamp according to claim 1, wherein a drain pipe (7) penetrates through one side surface of the box body (1), and a valve is installed on the drain pipe (7).

5. the small-sized radiator for the LED lamp according to claim 1, wherein a one-way valve is arranged at the bottom end of the air inlet pipe (402) inside the box body (1), and the one-way valve is a one-way exhaust valve.

6. The small-sized radiator for LED lamp according to claim 1, characterized in that the bottom of the box cover (4) is provided with an annular baffle (405) which is matched with the demister (6).

7. The small-sized radiator for the LED lamp according to claim 1, wherein a sealing sheet is arranged at one end of the air outlet pipe (401) positioned at the bottom of the box cover (4), and a sealing plug is arranged at the top end of the water injection pipe (403).