CN216693114U

CN216693114U - LED lighting lamp with good heat dissipation performance

Info

Publication number: CN216693114U
Application number: CN202122814200.9U
Authority: CN
Inventors: 朱辉; 程伟
Original assignee: Shanghai Comaero Electronic Engineering Co ltd
Current assignee: Shanghai Comaero Electronic Engineering Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-06-07
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses an LED illuminating lamp with good heat dissipation performance, which comprises a lamp shell, wherein the bottom of the lamp shell is fixedly connected with a lamp shade, the top of the inner wall of the lamp shell is fixedly connected with a controller, the bottom of the controller is electrically connected with an LED bulb, the bottom of the LED bulb extends into the lamp shade, and two sides of the controller are fixedly connected with heat pipes. The LED illuminating lamp comprises a lamp shell, a lamp shade, a controller, an LED bulb, a heat pipe, a heat radiating fin, a heat radiating fan, an upstream air pipe, an air outlet cover, a downstream air pipe, a cooling box, cooling liquid, a semiconductor refrigerating sheet, an air inlet pipe and a bidirectional exhaust cover.

Description

LED lighting lamp with good heat dissipation performance

Technical Field

The utility model relates to the technical field of light emitting diodes, in particular to an LED lighting lamp with good heat dissipation performance.

Background

A light emitting diode, referred to as LED for short, is a commonly used light emitting device, emits light by energy released by recombination of electrons and holes, and is widely used in the field of illumination. The light emitting diode can efficiently convert electric energy into light energy, and has wide application in modern society, such as illumination, flat panel display, medical devices and the like.

In a semiconductor lighting device, a high-power and high-brightness light emitting diode is generally used as a light source, and when current is passed through the light emitting diode, electrons and holes are directly recombined to release energy for light emission, however, the current photoelectric conversion efficiency is low, and a large proportion is converted into heat energy, so that the power density on an LED chip is large, and the large power density also puts high requirements on the heat dissipation of a device.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model aims to provide an LED lighting fixture with good heat dissipation performance, which has the advantages of multiple heat dissipation, fast heat dissipation and no heat accumulation inside the fixture, and solves the problems that the existing LED lighting fixture uses a single heat sink to dissipate heat of an LED chip, the heat dissipation is slow, the heat is easy to accumulate inside the fixture, and the LED lighting fixture is easily overheated to affect the use.

In order to achieve the purpose, the utility model provides the following technical scheme: an LED illuminating lamp with good heat dissipation performance comprises a lamp shell, a lampshade is fixedly connected to the bottom of the lamp shell, a controller is fixedly connected to the top of the inner wall of the lamp shell, an LED bulb is electrically connected to the bottom of the controller, the bottom of the LED bulb extends into the lampshade, heat pipes are fixedly connected to two sides of the controller, heat dissipation fins are fixedly connected to the outer sides of the heat pipes, heat dissipation fans are fixedly connected to two sides of the lamp shell, the output end of each heat dissipation fan is communicated with an ascending air pipe, the top of the ascending air pipe is communicated with an air outlet pipe, one end, away from the ascending air pipe, of the air outlet pipe penetrates into the interior of the lamp shell and is communicated with an air outlet cover, the opening of the air outlet cover is located right above the heat dissipation fins, the input end of each heat dissipation fan is communicated with a descending air pipe, a cooling box is fixedly connected to the surface of the descending air pipe, and cooling liquid is arranged in the cooling box, the semiconductor refrigeration piece is fixedly connected to the outer side of the cooling box, the bottom of the downward air pipe is communicated with an air inlet pipe, one end, far away from the downward air pipe, of the air inlet pipe penetrates through the inside of the lamp shell and is communicated with a bidirectional exhaust hood, and the bidirectional exhaust hood is located under the radiating fins.

Preferably, the periphery of the surface of the controller is provided with heat dissipation grooves, and the surfaces of the heat dissipation grooves are attached to the inner sides of the heat pipes.

Preferably, the top of the lamp housing is provided with a plurality of arc-shaped heat dissipation holes.

Preferably, the two sides of the top of the inner wall of the lamp housing are fixedly connected with dust screens positioned below the arc-shaped heat dissipation holes.

Preferably, the two sides of the lampshade are both provided with heat dissipation ventilation holes, and a filter screen is fixedly connected inside the heat dissipation ventilation holes.

Preferably, the bottom of the lampshade is provided with a through hole, and the inside of the through hole is fixedly connected with a lens positioned below the LED bulb.

Compared with the prior art, the utility model has the following beneficial effects:

1. the LED illuminating lamp comprises a lamp shell, a lamp shade, a controller, an LED bulb, a heat pipe, a heat dissipation fin, a heat dissipation fan, an upstream air pipe, an air outlet cover, a downstream air pipe, a cooling box, cooling liquid, a semiconductor refrigeration sheet, an air inlet pipe and a bidirectional exhaust cover, and the LED illuminating lamp solves the problems that an LED chip of an existing LED illuminating lamp is cooled by a single cooling fin, heat dissipation is slow, heat is easy to gather in the lamp, the LED illuminating lamp is easy to overheat and use, and the LED illuminating lamp has the advantages of multiple heat dissipation, fast heat dissipation and no heat gathering in the lamp.

2. According to the utility model, the heat dissipation groove is arranged, the heat dissipation area of the controller is increased by arranging the heat dissipation groove, the heat dissipation from the interior of the controller can be accelerated to be absorbed by the heat pipe, and the problem of poor heat dissipation effect caused by the influence on the heat absorption efficiency of the heat pipe due to slow heat dissipation of the interior of the controller is avoided.

3. According to the utility model, the arc-shaped heat dissipation holes are arranged, so that the circulation of air inside the lamp housing and outside air can be accelerated, the heat inside the lamp housing is dissipated to the outside along with the air flow, the heat dissipation efficiency inside the lamp housing is improved, and meanwhile, redundant air inside the lamp housing can be discharged when the air outlet cover exhausts air, so that the pressure inside the lamp housing is reduced.

4. According to the utility model, the dust screen is arranged, so that the dust in the air outside the lamp housing can be blocked, and the condition that the heat dissipation effect is influenced because the heat dissipation fins cannot normally dissipate heat because the dust enters the lamp housing through the arc-shaped heat dissipation holes and is adsorbed on the surfaces of the heat dissipation fins is avoided.

5. According to the utility model, through the matched use of the heat dissipation ventilating holes and the filter screen, external air can enter the lamp through the heat dissipation ventilating holes, so that the air flow in the lamp is accelerated, the heat dissipation efficiency is improved, the filter screen filters the air, and dust is prevented from entering the lamp and being adsorbed on parts in the lamp to influence the normal use of the lamp.

6. According to the LED lamp, the lens is arranged, light emitted by the LED lamp bulb is irradiated above the lens when the LED lamp bulb works, the lens plays a role in amplifying the light emitted by the LED lamp bulb, the brightness of the lamp is enhanced, and the using effect of the lamp is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the lamp housing of the present invention.

In the figure: 1. a lamp housing; 2. a lamp shade; 3. a controller; 4. an LED bulb; 5. a heat pipe; 6. a heat dissipating fin; 7. a heat radiation fan; 8. an upgoing air duct; 9. an air outlet pipe; 10. an air outlet cover; 11. a down wind pipe; 12. a cooling tank; 13. cooling liquid; 14. a semiconductor refrigeration sheet; 15. an air inlet pipe; 16. a bidirectional draft hood; 17. a heat dissipation groove; 18. arc-shaped heat dissipation holes; 19. a dust screen; 20. a heat dissipation ventilation hole; 21. a filter screen; 22. a lens.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 2, an LED lighting lamp with good heat dissipation performance includes a lamp housing 1, a lamp shade 2 is fixedly connected to the bottom of the lamp housing 1, a controller 3 is fixedly connected to the top of the inner wall of the lamp housing 1, an LED bulb 4 is electrically connected to the bottom of the controller 3, the bottom of the LED bulb 4 extends to the inside of the lamp shade 2, heat pipes 5 are fixedly connected to both sides of the controller 3, heat dissipation fins 6 are fixedly connected to the outer sides of the heat pipes 5, heat dissipation fans 7 are fixedly connected to both sides of the lamp housing 1, the output end of each heat dissipation fan 7 is communicated with an upstream air pipe 8, the top of each upstream air pipe 8 is communicated with an air outlet pipe 9, one end of each air outlet pipe 9, which is far away from the upstream air pipe 8, penetrates through the inside of the lamp housing 1 to be communicated with an air outlet cover 10, the opening of the air outlet cover 10 is located directly above the heat dissipation fins 6, the input end of each heat dissipation fan 7 is communicated with a downstream air pipe 11, and the surface of the downstream air pipe 11 is fixedly connected with a cooling box 12, the cooling box 12 is internally provided with cooling liquid 13, the outer side of the cooling box 12 is fixedly connected with a semiconductor refrigeration sheet 14, the bottom of the downstream air pipe 11 is communicated with an air inlet pipe 15, one end of the air inlet pipe 15, which is far away from the downstream air pipe 11, penetrates into the lamp housing 1 and is communicated with a bidirectional air draft cover 16, and the bidirectional air draft cover 16 is positioned right below the heat dissipation fins 6.

Referring to fig. 1, heat dissipation grooves 17 are formed around the surface of the controller 3, and the surface of the heat dissipation groove 17 is attached to the inner side of the heat pipe 5.

As a technical optimization scheme of the utility model, the heat dissipation area of the controller 3 is increased by arranging the heat dissipation grooves 17 and arranging the heat dissipation grooves 17, so that the heat can be accelerated to be dissipated from the interior of the controller 3 and absorbed by the heat pipe 5, and the problem of poor heat dissipation effect caused by the influence on the heat absorption efficiency of the heat pipe 5 due to slow heat dissipation in the controller 3 is avoided.

Referring to fig. 2, the top of the lamp housing 1 is provided with a plurality of arc-shaped heat dissipation holes 18, and the number of the arc-shaped heat dissipation holes 18 is several.

As a technical optimization scheme of the utility model, the arc-shaped heat dissipation holes 18 are arranged, so that the circulation of air inside the lamp housing 1 and outside air can be accelerated, the heat inside the lamp housing 1 is dissipated to the outside along with the air flow, the heat dissipation efficiency inside the lamp housing 1 is improved, and meanwhile, redundant air inside the lamp housing 1 can be discharged when the air outlet cover 10 exhausts air, so that the pressure inside the lamp housing 1 is reduced.

Referring to fig. 1, dust screens 19 located below the arc-shaped heat dissipation holes 18 are fixedly connected to both sides of the top of the inner wall of the lamp housing 1.

As a technical optimization scheme of the utility model, the dust screen 19 is arranged, so that dust in the air outside the lamp housing 1 can be blocked, and the condition that the heat dissipation effect is influenced because the heat dissipation fins 6 cannot normally dissipate heat because the dust enters the lamp housing 1 through the arc-shaped heat dissipation holes 18 and is adsorbed on the surfaces of the heat dissipation fins 6 is avoided.

Referring to fig. 1, heat dissipation ventilation holes 20 are formed in both sides of a lamp housing 2, and a filter screen 21 is fixedly connected to the inside of each heat dissipation ventilation hole 20.

As a technical optimization scheme of the utility model, by arranging the heat dissipation ventilating holes 20 and the filter screen 21 to be matched, external air can enter the lamp through the heat dissipation ventilating holes 20, so that the air flow in the lamp is accelerated, the heat dissipation efficiency is improved, the filter screen 21 filters the air, and dust is prevented from entering the lamp and being adsorbed on parts in the lamp to influence the normal use of the lamp.

Referring to fig. 1, a through hole is formed in the bottom of the lamp housing 2, and a lens 22 located below the LED bulb 4 is fixedly connected to the inside of the through hole.

As a technical optimization scheme of the utility model, by arranging the lens 22, the light emitted by the LED bulb 4 when in work is irradiated above the lens 22, and the lens 22 plays a role in amplifying the light emitted by the LED bulb 4, so that the brightness of the lamp is enhanced, and the using effect of the lamp is improved.

The working principle and the using process of the utility model are as follows: when the LED lamp is used, the lamp is powered on, the LED bulb 4 is controlled to work through the controller 3 to emit light, heat is emitted when the controller 3 and the LED bulb 4 are used, the heat emitted by the controller 3 is absorbed and conducted to the radiating fins 6 through the heat pipes 5, the heat is emitted through the radiating fins 6, meanwhile, the radiating fan 7 is started, the downlink air pipe 11 generates suction through the starting of the radiating fan 7, the heat is absorbed into the air inlet pipe 15 through the bidirectional exhaust hood 16, then the heat is absorbed by the cooling liquid 13 inside the cooling box 12 through the downlink air pipe 11, the cooled air is sent into the uplink air pipe 8 through the working of the radiating fan 7, then the air is exhausted from the air outlet hood 10 through the air outlet pipe 9 to blow and cool the radiating fins 6, and the high-efficiency radiating effect is achieved through circulation, the excessive temperature rise of the heat absorbed by the cooling liquid 13 after long-time use can influence the heat absorption effect, the semiconductor chilling plate 14 can be started to cool down.

In summary, the following steps: this good heat dissipation's LED illumination lamps and lanterns, through setting up lamp body 1, lamp shade 2, controller 3, LED bulb 4, heat pipe 5, radiating fin 6, cooling blower 7, upward tuber pipe 8, go out tuber pipe 9, go out fan housing 10, down tuber pipe 11, cooler bin 12, coolant liquid 13, semiconductor refrigeration piece 14, air-supply line 15 and two-way draft hood 16's cooperation is used, it dispels the heat to its LED chip to have solved current LED illumination lamps and lanterns and have used single fin more, the heat dissipation is slow, the heat gathers inside lamps and lanterns easily, lead to LED illumination lamps and lanterns to appear overheated problem that influences the use easily.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a good heat dissipation's LED illumination lamps and lanterns, includes lamp body (1), its characterized in that: the LED lamp comprises a lamp housing (1), a lamp shade (2) fixedly connected to the bottom of the lamp housing (1), a controller (3) fixedly connected to the top of the inner wall of the lamp housing (1), an LED bulb (4) electrically connected to the bottom of the controller (3), a heat pipe (5) fixedly connected to the bottom of the LED bulb (4), heat radiating fins (6) fixedly connected to the outer side of the heat pipe (5), a heat radiating fan (7) fixedly connected to the two sides of the lamp housing (1), an upward air pipe (8) communicated with the output end of the heat radiating fan (7), an air outlet pipe (9) communicated with the top of the upward air pipe (8), an air outlet cover (10) communicated with the inside of the lamp housing (1) and communicated with the end of the air outlet pipe (9) far away from the upward air pipe (8), and an opening of the air outlet cover (10) located right above the heat radiating fins (6), the input intercommunication of cooling fan (7) has down tuber pipe (11), the fixed surface of down tuber pipe (11) is connected with cooler bin (12), the inside of cooler bin (12) is provided with coolant liquid (13), the outside fixedly connected with semiconductor refrigeration piece (14) of cooler bin (12), the bottom intercommunication of down tuber pipe (11) has air-supply line (15), the one end that down tuber pipe (11) were kept away from in air-supply line (15) runs through to the inside and the intercommunication of lamp body (1) has two-way suction hood (16), two-way suction hood (16) are located radiating fin (6) under.

2. The LED lighting fixture with good heat dissipation of claim 1, wherein: all seted up heat dissipation recess (17) around controller (3) surface, the surface of heat dissipation recess (17) and the inboard laminating of heat pipe (5).

3. The LED lighting fixture with good heat dissipation of claim 1, wherein: arc-shaped heat dissipation holes (18) are formed in the top of the lamp shell (1), and the number of the arc-shaped heat dissipation holes (18) is a plurality.

4. The LED lighting fixture with good heat dissipation of claim 1, wherein: and both sides of the top of the inner wall of the lamp shell (1) are fixedly connected with dust screens (19) positioned below the arc-shaped heat dissipation holes (18).

5. The LED lighting fixture with good heat dissipation of claim 1, wherein: heat dissipation breather holes (20) have all been seted up to the both sides of lamp shade (2), the inside fixedly connected with filter screen (21) of heat dissipation breather hole (20).

6. The LED lighting fixture with good heat dissipation of claim 1, wherein: the bottom of the lampshade (2) is provided with a through hole, and the inside of the through hole is fixedly connected with a lens (22) located below the LED bulb (4).