CN213630354U

CN213630354U - Lamp decoration radiator

Info

Publication number: CN213630354U
Application number: CN202022815959.4U
Authority: CN
Inventors: 罗华兵; 罗杨杰; 欧钻力
Original assignee: Zhongshan Musk Electronics Co ltd
Current assignee: Zhongshan Musk Electronics Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-06
Anticipated expiration: 2030-11-30

Abstract

The utility model provides a lighting radiator, comprising a heat dissipation base and a plurality of fin layers, the fin layers are evenly distributed on one side of the heat dissipation base, the heat dissipation base is circular, and a heat dissipation hole is arranged in the center; The fin layers are arranged annularly with the heat dissipation holes as the center; the fin layers are spaced apart; the fin layers include several heat dissipation fins, and the heat dissipation fins include heat dissipation fins directed to the heat dissipation holes and two circumferences directed to the heat dissipation base The heat dissipation arc is located at the other end of the heat sink; the heat dissipation arc is arc-shaped, and its end is provided with an elliptical protrusion. The lighting radiator provided by the utility model has good heat dissipation effect, and solves the problem that the junction temperature of the light source chip is too high due to the accumulation of heat and shortens the life of the lamp.

Description

Lamp decoration radiator

Technical Field

The utility model relates to a technical field of lamps and lanterns, concretely relates to lamp decoration radiator.

Background

LED lamps are widely varied, such as LED bulbs, LED spot lamps, LED down lamps, LED ceiling lamps, LED table lamps, LED street lamps, LED garden lamps, LED spot lamps, LED tunnel lamps, and the like, although the LED lamps have different appearance structures, the LED lamps have different installation forms and different names because the LED lamps are used in different occasions, however, the LED lamp has the same characteristics in conclusion, and is characterized in that a low-power or high-power light-emitting element, namely an LED light source element is welded or packaged on an aluminum-based circuit board or a common circuit board, and then is adhered and installed on a radiator made of aluminum alloy by using heat-conducting glue, the radiator has different shape and structure designs in different occasions, and the functions of the radiator are the same, namely, the heat generated by the light source is led out and dissipated into the air, so that the phenomenon that the heat accumulation causes the over-high junction temperature of the light source chip to shorten the service life of the lamp is avoided.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a lamp decoration heat sink, which has a good heat dissipation effect and solves the problem that the heat accumulation causes the junction temperature of the light source chip to be too high and the service life of the lamp to be shortened.

In order to achieve the purpose, the utility model provides a lamp decoration radiator, which comprises a radiating base and a plurality of fin layers, wherein the fin layers are uniformly distributed on one side of the radiating base, the radiating base is circular, and the center of the radiating base is provided with a radiating hole; the plurality of fin layers are annularly arranged by taking the heat dissipation holes as centers; intervals are arranged among the fin layers; the fin layer comprises a plurality of radiating fins, and each radiating fin comprises a radiating fin pointing to the radiating hole and two radiating arcs pointing to the circumference of the radiating base; the radiating arc is positioned at the other end of the radiating fin; the heat dissipation arc is arc-shaped, and the end part of the heat dissipation arc is provided with an oval bulge.

According to the utility model discloses a another embodiment, the heat dissipation arc that is located same radiating fin is crooked in opposite directions, forms and is used for radiating heat dissipation chamber, and the opening in heat dissipation chamber is towards the circumferencial direction of heat dissipation base.

According to another embodiment of the present invention, the inner surface of the heat dissipation chamber is smooth, thereby reducing the resistance of the cold air entering.

According to another embodiment of the present invention, the heat-dissipating cylinder is provided on the heat-dissipating plate, and the heat-dissipating cylinder passes through the heat-dissipating plate along the vertical direction.

According to another embodiment of the invention, the end of the cooling fin is provided with a flange, which extends along both sides of the cooling fin.

According to the utility model discloses a further embodiment, the tip of fin is equipped with hollow cylinder, and hollow cylinder is equipped with the heat dissipation breach in the direction that is close to the louvre.

According to another embodiment of the present invention, a space is provided between the heat dissipating fins on the same fin layer.

According to the utility model discloses a another embodiment, the heat dissipation base is equipped with the recess that is used for fixing in the one side of keeping away from the fin layer, and the bottom of recess is equipped with the screw hole.

According to the utility model discloses a another embodiment is equipped with a plurality of heat dissipation through-holes on the heat dissipation base, the last fretwork part that is equipped with of radiating fin, the heat dissipation through-hole with fretwork part intercommunication increases heat transfer area.

The utility model adopts a plurality of fin layers distributed on one side of the heat dissipation base, and the heat dissipation holes are annularly arranged by taking the heat dissipation holes as the center, so as to carry out heat dissipation treatment layer by layer; spaces are arranged among the fin layers, so that heat dissipation is accelerated; the radiating fins comprise radiating fins pointing to the radiating holes and two radiating arcs pointing to the circumference of the radiating base, and are divided into three branches for radiating, so that the heat transfer area is increased; the heat dissipation arc is arc-shaped, the end part of the heat dissipation arc is provided with the oval-shaped bulge, when cold air enters from the edge of the lamp decoration radiator, the oval-shaped bulge and the arc surface of the heat dissipation arc can enlarge the path through which the air blows, heat exchange is enhanced, and a better heat dissipation effect is achieved; the heat dissipation base is circular, and resistance of cold air entering is reduced.

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

Drawings

Fig. 1 is a schematic structural diagram of a lamp decoration heat sink in the first embodiment;

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

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 intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The present embodiment provides a lamp decoration heat sink, as shown in fig. 1, including a heat dissipation base 1 and two fin layers 2, in other embodiments, the fin layers 2 may also be three layers or four layers, the present invention does not limit the number of the fin layers 2; the heat dissipation base 1 is a circular truncated cone, the top surface of the heat dissipation base is a heat dissipation surface 11, and the fin layers 2 are uniformly distributed on the heat dissipation surface 11 of the heat dissipation base 1; the center of the heat dissipation base 1 is provided with heat dissipation holes which can be used for installing a lamp decoration radiator; the two fin layers 2 are annularly and radially arranged by taking the heat dissipation holes as centers; the fin layers 2 are spaced, and cold air can pass through the fin layers 2 to take away heat, so that the heat dissipation effect is achieved; the fin layer 2 comprises a plurality of radiating fins 3, the distance between the adjacent radiating fins 3 is equal, and the number of the radiating fins 3 is designed according to the diameter of the fin layer 2, the utility model does not limit the number of the radiating fins 3; the radiating fins 3 comprise radiating fins 31 pointing to the radiating holes and two radiating arcs 32 pointing to the circumference of the radiating base 1; the heat dissipating arc 32 is located at the other end of the heat dissipating fin 31; the heat dissipation arc 32 is arc-shaped, and the end part of the heat dissipation arc is provided with an oval protrusion 321; the radiating arcs 32 positioned on the same radiating fin 3 are oppositely bent to form a radiating cavity 322 for radiating, the opening of the radiating cavity 322 faces the circumferential direction of the radiating base 1, cold air enters the lamp decoration radiator and then blows into the radiating cavity 322, backflow is formed inside the radiating cavity 322, and the cold air is in contact with the inner wall of the lamp decoration radiator for heat exchange, so that the radiating effect is achieved; the inner surface of the heat dissipation cavity 322 is smooth, and the resistance of cold air entering is reduced.

The heat dissipation base 1 is provided with a plurality of heat dissipation through holes, the heat dissipation fins 3 are provided with hollow parts, and the heat dissipation through holes are communicated with the hollow parts, so that the air circulation is increased and the heat exchange area is increased; the heat dissipation cylinder 311 is arranged on the heat dissipation plate 31, and the heat dissipation cylinder 311 penetrates through the heat dissipation plate 31 along a direction perpendicular to the heat dissipation surface 11 of the heat dissipation base 1; the end of part of the radiating fins 31 is provided with a flange 312, the flange 312 extends along two sides of the radiating fins 31, the end of the other part of the radiating fins 31 is provided with a hollow cylinder 313, and the hollow cylinder 313 is provided with a radiating notch in the direction close to the radiating holes; the hollow cylinder 313 can play a role in connection while enhancing the heat exchange area, a connecting column corresponding to the hollow cylinder 313 is arranged on an external lamp panel and is used for being sleeved inside the hollow cylinder 313, and the function of connecting the lamp panel and the decorative lamp radiator is achieved; the radiating base 1 is provided with a groove for fixing at one side far away from the fin layer 2, and the bottom of the groove is provided with a threaded hole.

In the embodiment, a plurality of fin layers 2 are distributed on one side of a heat dissipation base 1 and are annularly arranged by taking a heat dissipation hole as a center, so that layer-by-layer heat dissipation treatment is carried out; spaces are arranged among the fin layers 2, so that heat dissipation is accelerated; the radiating fins 3 comprise radiating fins 31 pointing to the radiating holes and two radiating arcs 32 pointing to the circumference of the radiating base 1, and the radiating fins 3 are divided into three branches for radiating so as to increase the heat transfer area; the heat dissipation arc 32 is arc-shaped, the end part of the heat dissipation arc is provided with the oval-shaped protrusion 321, when cold air enters from the edge of the lamp decoration heat sink, the oval-shaped protrusion 321 and the arc surface of the heat dissipation arc 32 can enlarge the path through which the air blows, heat exchange is enhanced, and a better heat dissipation effect is achieved; the heat dissipation base 1 is circular, and reduces resistance of cold air entering.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the present invention, i.e. all equivalent modifications made according to the present invention should be covered by the scope of the present invention.

Claims

1. A lighting radiator, characterized in that it comprises a heat dissipation base and several fin layers, the fin layers are evenly distributed on one side of the heat dissipation base, and the heat dissipation base is in a circular shape. A heat dissipation hole is arranged in the center; a plurality of the fin layers are arranged annularly with the heat dissipation hole as the center; a spacing is set between the fin layers; the fin layer includes a plurality of heat dissipation fins, and the heat dissipation fins The fin includes a cooling fin pointing to the heat dissipation hole and two heat dissipation arcs pointing to the circumference of the heat dissipation base; the heat dissipation arc is located at the other end of the heat dissipation fin; the heat dissipation arc is arc-shaped, and its end is provided with There are oval bumps.

2 . The lighting radiator according to claim 1 , wherein the heat dissipation arcs located on the same heat dissipation fin are bent toward each other to form a heat dissipation cavity for heat dissipation, and the opening of the heat dissipation cavity faces the heat dissipation base. 3 . Circumferential direction of the seat.

3 . The lighting radiator according to claim 2 , wherein the inner surface of the heat dissipation cavity is smooth. 4 .

4 . The lighting radiator according to claim 1 , wherein a heat dissipation cylinder is provided on the heat dissipation fin, and the heat dissipation cylinder passes through the heat dissipation fin in a vertical direction. 5 .

5 . The lighting radiator according to claim 1 , wherein the ends of the heat sinks are provided with flanges, and the flanges extend along both sides of the heat sinks. 6 .

6 . The lighting radiator of claim 1 , wherein a hollow cylinder is formed at the end of the heat sink, and a heat dissipation gap is formed in the hollow cylinder in a direction close to the heat dissipation hole. 7 .

7 . The lighting radiator according to claim 1 , wherein a space is provided between the heat dissipation fins on the same fin layer. 8 .

8 . The lighting radiator according to claim 1 , wherein the heat dissipation base is provided with a groove for fixing on a side away from the fin layer, and the bottom of the groove is provided with a threaded hole. 9 .

9 . The lighting radiator of claim 1 , wherein the heat dissipation base is provided with a plurality of heat dissipation through holes, the heat dissipation fins are provided with hollow parts, and the heat dissipation through holes and the hollow parts are formed. 10 . Connected.