CN209857014U

CN209857014U - Heat dissipation device and LED lamp

Info

Publication number: CN209857014U
Application number: CN201920984574.5U
Authority: CN
Inventors: 董翊
Original assignee: Nanjing Berkeley New Materials Technology Co Ltd
Current assignee: Nanjing Berkeley New Materials Technology Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2019-12-27
Anticipated expiration: 2029-06-27

Abstract

The utility model provides a heat abstractor and LED lamp, one of them heat abstractor includes: radiator, casing and fan, each apex angle of radiator all the butt in shells inner wall, relative terminal surface is equipped with air intake, air outlet and fan respectively on the casing, the air intake with form the wind channel between the air outlet, the side of radiator with the wind channel is the acute angle setting, the wind warp that the fan formed flows to the air outlet behind the radiator. Through setting up radiator and casing according to predetermineeing the angle, can realize radiating degree of consistency when guaranteeing the radiating strength, simple structure, processing is convenient, and is with low costs.

Description

Heat dissipation device and LED lamp

Technical Field

The utility model relates to a heat dissipation equipment technical field especially relates to a heat abstractor and LED lamp.

Background

The LED has the excellent characteristics of energy conservation, long service life and no pollution, and the application of the LED technology is vigorously carried out by the state at present, and the LED technology gradually replaces the traditional mercury lamp and incandescent lamp.

The LED radiating effect can directly influence the brightness, the color and the service life of the LED, the existing radiating modes include three radiating modes, namely natural radiating, air-cooled radiating and water-cooled radiating, wherein the natural radiating effect is weaker, the LED radiating device is suitable for low-power application, the air-cooled radiating and the water-cooled radiating are suitable for high-power application, the air-cooled radiating structure is simple, the cost is low, and the application range is wider.

The existing air-cooled heat dissipation mode has the problems of uneven heat dissipation and low heat dissipation strength, and the effect of guaranteeing both the even heat dissipation and the heat dissipation strength is difficult to achieve on the structure with larger size.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention has been made to provide a heat dissipating device and an LED lamp that overcome or at least partially solve the above problems.

In order to solve the above problem, the utility model discloses a heat dissipation device, include: radiator, casing and fan, each apex angle of radiator all the butt in shells inner wall, relative terminal surface is equipped with air intake, air outlet and fan respectively on the casing, the air intake with form the wind channel between the air outlet, the side of radiator with the wind channel is the acute angle setting, the wind warp that the fan formed flows to the air outlet behind the radiator.

Further, the top surface of the radiator is closely attached to the top surface of the shell.

Furthermore, the radiator comprises a heat pipe and a plurality of radiating fins, the heat pipe is fixedly connected with the radiating fins, and the air diameter from the air inlet to the air outlet along the radiating fins is equal.

Furthermore, a plurality of the radiating fins are arranged in parallel, and the radiating fins are perpendicular to or parallel to the bottom surface of the shell.

Further, the heat sink comprises a metal heat sink.

Further, the radiator comprises an aluminum profile radiator.

Further, the heat sink comprises a copper heat sink.

Further, the fan comprises a suction fan and a blower.

Further, the heat sink is placed diagonally within the housing.

The utility model discloses a LED lamp includes LED module and above-mentioned heat abstractor, the casing bottom is equipped with the through-hole, the one end fixed mounting of LED module in heat abstractor's bottom, the other end pass the through-hole.

The utility model discloses a following advantage: through setting up radiator and casing according to predetermineeing the angle, can realize radiating degree of consistency when guaranteeing the radiating strength, simple structure, processing is convenient, and is with low costs.

Drawings

Fig. 1 is an exploded view of a heat dissipation device of the present invention;

fig. 2 is a top block diagram of a heat dissipation device of the present invention;

fig. 3 is a bottom structure block diagram of an LED of the present invention.

1 radiator, 2 air outlets, 3 air inlets, 4 shell top surfaces, 5 shell bottom surfaces and 6 LED modules

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

One of the core ideas of the utility model lies in that, a heat abstractor is provided, including radiator 1, casing and fan, the equal butt in each apex angle of radiator 1 in shells inner wall, relative terminal surface is equipped with air intake 3, air outlet 2 and fan respectively on the casing, air intake 3 with form the wind channel between the air outlet 2, radiator 1's side with the wind channel is the acute angle setting, the wind warp that the fan formed flows to air outlet 2 behind the radiator 1. Through setting up radiator 1 and casing according to predetermineeing the angle, can realize radiating degree of consistency when guaranteeing the radiating strength, simple structure, processing is convenient, and is with low costs.

Referring to fig. 1-2, there are shown structural block diagrams of a heat dissipation device of the present invention, which may specifically include: radiator 1, casing and fan, the equal butt in shells inner wall of each apex angle of radiator 1, relative terminal surface is equipped with air intake 3, air outlet 2 and fan respectively on the casing, forms the wind channel between air intake 3 and the air outlet 2, and the side of radiator 1 is the acute angle setting with the wind channel. In this embodiment, the housing is specifically a hexahedron, the heat sink 1 is disposed in the housing, and the heat sink 1 and the opposite side of the housing are disposed at an acute angle, in a preferred embodiment, the heat sink 1 and the hexahedron are disposed at opposite angles, and the top surface of the heat sink 1 and the bottom surface 5 of the housing are tightly attached to each other, so as to ensure that the air flow formed at the positions of the air inlet 3 and the air outlet 2 uniformly flows through the whole heat sink 1, according to the fluid mechanics principle, the side surface of the heat sink 1 and the housing form a wedge-shaped space, the tips of the two wedge-shaped spaces are respectively located at one end far away from the air inlet 3 and the air outlet 2, the position close to the air inlet 3 or the air outlet 2 is the widest place of the wedge-shaped space, and the fan is disposed at the opposite end surface of the housing, the air duct formed by the wedge-shaped space ensures the stability of the air flow rate, no vortex is generated, air passes through the radiator 1 from any position, the air diameters of the air in the shell are equal, the flow and the flow rate of the air at each position of the radiator 1 are the same according to the fluid mechanics principle, the radiator 1 can be ensured to realize high-strength heat dissipation and meet the uniformity of heat dissipation, all the air can flow through the middle position of the radiator 1, and the maximization of the air cooling efficiency is realized.

In this embodiment, the top surface of the heat sink 1 is closely attached to the top surface 4 of the housing. The top surface of the radiator 1 is tightly attached to the top surface 4 of the shell, and each vertex of the radiator 1 is tightly attached to the inside of the shell, so that the air entering from the air inlet 3 only passes through the radiator 1 through the wedge-shaped space, the complete utilization of the air is ensured, and the air cooling efficiency is highest.

In this embodiment, the heat sink 1 includes a heat pipe and a plurality of heat dissipating fins, the heat pipe is fixedly connected to the heat dissipating fins, and the wind paths from the air inlet 3 to the air outlet 2 along the heat dissipating fins are equal. The heat pipe is a heat transfer element, can make full use of the heat conduction principle and the rapid heat transfer property of the phase change medium, quickly transfers the heat of a heating object to the outside of a heat source through the heat pipe, and has strong heat conduction capability.

In the present embodiment, the plurality of heat dissipation fins are disposed in parallel, and the heat dissipation fins are perpendicular or parallel to the bottom surface 5 of the housing. The radiating fins are perpendicular to the bottom surface 5 of the shell and perpendicular to the length direction of the radiator 1, so that air can efficiently circulate conveniently, and the radiating effect is optimal. In one embodiment the fins may be parallel to the bottom surface 5 of the housing.

In the present embodiment, the heat sink 1 includes a metal heat sink.

In the present embodiment, the heat sink 1 includes an aluminum profile heat sink.

In the present embodiment, the heat sink 1 includes a copper heat sink. The copper radiator is suitable for being matched with a fan with higher power. The size of the radiator 1 and the power of the exhaust fan and the blower are selected according to the power of the matched LED (light emitting diode) module 6 and the service environment, so that the sufficient cooling and radiating effect can be ensured.

In this embodiment, the blower includes an exhaust fan and a blower, in a specific embodiment, the blower is specifically configured as an exhaust fan, the exhaust fan is disposed on the side of the housing at the air outlet 2, in other embodiments, the blower is configured as a blower, and the blower is disposed on the side of the housing at the air inlet 3.

In this embodiment, the heat sink 1 is placed diagonally in the casing, and the diagonal arrangement can ensure that air flows to each part of the heat sink 1 uniformly, thereby improving the heat dissipation efficiency.

Referring to fig. 3, showing the utility model discloses a LED lamp, including the heat abstractor in LED module 6 and all above-mentioned embodiments, the casing bottom is equipped with the through-hole, and the one end fixed mounting of LED module 6 passes the through-hole in heat abstractor's bottom, the other end. The bottom of the radiator 1 is exposed out of the bottom surface 5 of the shell, and the LED module 6 in this embodiment is specifically an ultraviolet LED array, which is fixed on the bottom surface of the radiator 1 and can smoothly transfer heat to the radiator 1, thereby realizing the heat dissipation structure of the LED lamp.

Finally, it should also be 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 terminal 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 terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.

The above detailed description is made on the heat dissipation device and the LED lamp provided by the present invention, and the specific examples are applied herein to explain the principles and embodiments of the present invention, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A heat dissipating device, comprising: radiator, casing and fan, each apex angle of radiator all the butt in shells inner wall, relative terminal surface is equipped with air intake, air outlet and fan respectively on the casing, the air intake with form the wind channel between the air outlet, the side of radiator with the wind channel is the acute angle setting, the wind warp that the fan formed flows to the air outlet behind the radiator.

2. The heat dissipating device of claim 1, wherein a top surface of said heat sink is in close proximity to a top surface of said housing.

3. The heat dissipation device of claim 1, wherein the heat sink comprises a heat pipe and a plurality of fins, the heat pipe is fixedly connected to the fins, and the air inlet has the same air diameter from the fins to the air outlet.

4. The heat dissipating device of claim 3, wherein a plurality of the heat dissipating fins are disposed in parallel, and the heat dissipating fins are perpendicular or parallel to the bottom surface of the housing.

5. The heat dissipating device of claim 1, wherein the heat sink comprises a metal heat sink.

6. The heat dissipating device of claim 1, wherein the heat sink comprises an aluminum profile heat sink.

7. The heat dissipating device of claim 1, wherein the heat sink comprises a copper heat sink.

8. The heat sink of claim 1, wherein the fan comprises a suction fan and a blower.

9. The heat dissipating device of claim 1, wherein the heat sink is positioned diagonally within the housing.

10. An LED lamp, comprising an LED module and the heat sink according to any one of claims 1-9, wherein the bottom of the housing is provided with a through hole, one end of the LED module is fixedly mounted on the bottom of the heat sink, and the other end of the LED module passes through the through hole.