CN202884848U - A New Type LED Bulb Radiator - Google Patents

Abstract

The utility model discloses a novel LED ball bubble lamp radiator, its characterized in that: the air duct is an approximately truncated cone-shaped shell, a plurality of air ducts are sequentially arranged in the approximately truncated cone-shaped shell along the circumferential direction, the air ducts extend from the lower bottom surface of the approximately truncated cone-shaped shell to the upper bottom surface, the cross sections of the air ducts are gradually reduced, and through holes are formed in the bottom of the air ducts. The LED bulb lamp radiator utilizes the principle of natural convection of air to manufacture an air duct, effectively increases the radiating surface area of the radiator, and utilizes the natural convection of air to lead the air to take away the heat inside the radiator; the heat dissipation flange is arranged outside the heat sink, so that the surface area of the heat sink is increased, and the LED is helped to dissipate redundant heat. The radiator is simple and compact in structure and simple to manufacture, does not need an external power supply or a fan for auxiliary heat dissipation, saves manufacturing cost and operating cost, effectively dissipates heat, prolongs the service life of the LED, and indirectly reduces maintenance cost.

Description

A New Type LED Bulb Radiator

technical field

The utility model relates to the technical field of light-emitting diode lighting, in particular to a novel radiator for LED bulb lamps. the

Background technique

At present, the development of LED lamps is getting faster and faster, and there are more and more LED lamp products on the market. LED fluorescent lamps are characterized by high quality, durability, and energy saving. The projection angle adjustment range is large, and the brightness of 15W is equivalent to ordinary 40W fluorescent lamps . LED has the advantages of high temperature resistance, moisture-proof, waterproof, and leakage-proof. The voltage is 110V and 220V optional. The outer cover can be made of glass or PC, and the lamp head is the same as ordinary fluorescent lamps. Therefore, LED lamps are likely to replace ordinary day-off lamps. Become a new generation of lighting equipment. the

However, at present, the heat generation of LED lamp products is quite large, and insufficient heat dissipation will lead to a reduction in the life of LED lamps. Traditional LED downlights generally use sunflower radiators. The air convection of sunflower radiators is not good, and the heat dissipation effect is not very ideal. The heat generated by LEDs cannot be dissipated in time, which shortens the life of LEDs. Frequent maintenance and replacement of LEDs Cause bigger inconvenience and the raising of cost. the

At present, there is no LED bulb lamp heat sink on the market that can efficiently use the principle of natural convection of air to dissipate the heat generated by the LED bulb lamp in a timely and efficient manner, so that the LED lamp can continue to work at a lower temperature, increasing the temperature of the LED lamp. Long life, saving maintenance cost. the

Utility model content

In order to solve the above problems, the utility model discloses a new radiator for LED bulb lamps, which can provide a high-efficiency radiator for LED bulb lamps, which uses the principle of natural convection of air to help LEDs dissipate excess heat in time. the

The technical solution adopted by the utility model to achieve the above purpose is: a new LED bulb lamp radiator, which is characterized in that it is an approximately frustum-shaped shell, and the interior of the approximately frusto-conical shell is sequentially arranged along the circumferential direction. There are a plurality of air passages, the air passages extend from the lower bottom surface of the approximately frustoconical casing to the upper bottom surface, and the cross-section of the air passages gradually decreases, and the bottom of the air passages is provided with through holes. the

A hollow cylinder is provided in the center of the approximately frustum-shaped shell; an opening is provided on the bottom surface of the hollow cylinder, a clamping position is provided on the outer peripheral surface, and a plurality of guide rails are provided on the inner wall surface. the

The cross section of the air channel is square. the

The surface of the radiator shell is also provided with a plurality of outwardly protruding heat dissipation flanges. the

The lower bottom surface of the hollow cylinder is provided with a guide column, a limiting boss and a plurality of screw holes. the

The utility model has the advantages that: the air passage made by the LED bulb lamp radiator using the principle of natural air convection can effectively increase the heat dissipation surface area of the radiator, and use the natural convection of the air to let the air take away the heat inside the radiator ; At the same time, there is a heat dissipation flange on the outside of the radiator, which increases the surface area of heat dissipation and can help the LED to dissipate excess heat more efficiently. The heat sink has a simple and compact structure and is easy to manufacture. At the same time, it uses the principle of natural convection to help dissipate heat. It does not need an external power supply or fan to help dissipate heat, which saves production costs and operating costs. Its effective heat dissipation increases the life of the LED and indirectly reduces maintenance costs. the

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described. the

Description of drawings

Fig. 1 is the overall structural representation of the utility model embodiment;

Figure 2 is a schematic bottom view of Figure 1;

Figure 3 is a schematic diagram of the overall structure from another perspective of Figure 1;

In the picture:

1. Approximate frustum-shaped shell 11. Lower bottom 12. Upper bottom

13. Cooling flange 2. Air duct 21. Through hole

3. Hollow cylinder 31. Card position 32. Guide rail

33. Guide column 34. Limit boss. the

Detailed ways

Embodiment, referring to Fig. 1 to Fig. 3, a new type of LED bulb lamp heat sink, the heat sink is an approximately truncated conical shell 1, and the interior of the approximately truncated conical shell 1 is sequentially provided with a plurality of The cross-section is a square air passage 2, which extends from the lower bottom surface 11 of the approximately truncated conical shell 1 to the upper bottom surface 12 to approach the upper bottom surface 12, and the cross section of the air passage 2 gradually decreases. A through hole 21 is provided at the bottom close to the upper bottom surface of the approximately frustoconical shell, and the air channel 2 and the through hole 21 at the bottom of the air channel form a plurality of passages for air circulation, and the air channel 2 can effectively increase the radiator Large heat dissipation surface area, speed up the heat dissipation efficiency of the radiator. the

The air channel 2 with a square cross section may also be an air channel 2 with other shapes in cross section, and meanwhile, the air channel may directly pass through the approximately frustoconical casing 1 . the

The center of the approximately frustoconical housing 1 is provided with a hollow cylinder 3, and the upper bottom surface of the hollow cylinder 3 is provided with an opening; on the outer peripheral surface of the hollow cylinder 3, a locking position 31 is provided, and the locking position is used for locking Hold the lampshade of the LED lamp; on the inner wall surface of the hollow cylinder 3, a plurality of guide rails 32 are provided, and the guide rails 32 are used to guide the installation and fixing of circuit components and other devices. the

The surface of the outer wall of the radiator is also provided with a plurality of outwardly protruding heat dissipation flanges 13, and these heat dissipation flanges increase the heat dissipation surface area of the radiator and accelerate the heat dissipation of the radiator. the

According to the size of the radiator, the number of the air channels 2 is set reasonably, so as to achieve the optimal configuration of material application and heat dissipation effect. the

The lower surface of the hollow cylinder 3 is provided with a guide column 33 and a limit boss 34, the guide column 33 guides and limits the position of the LED lamp mounting plate; the limit boss 34 is the place where the LED lamp board is installed, and at the same time play the role of heat transfer. the

The heat sink is made of thermally conductive plastic, aluminum, aluminum alloy or PP material, or a combination of multiple materials among them. The heat sink made of efficient thermally conductive material can better dissipate the heat generated by the LED. the

The working principle of the utility model: when the radiator of the LED bulb lamp is working, since the heat emitted by the LED lamp passes through the hollow cylindrical boss and the limit boss to transfer heat to various places of the radiator, the heat in the air passage of the radiator The air is heated to form hot air, the hot air rises, and the cold air outside the radiator is replenished into the air passage. This process is continuously circulated, forming a natural up-and-down convection of the air, so that the heat of the radiator is continuously dissipated. At the same time, the radiator The cooling flange on the outer wall already dissipates a certain amount of heat. the

The utility model is not limited to the above-mentioned embodiments, and other LED bulb lamp heat sinks obtained by using the same or similar devices as the above-mentioned embodiments of the utility model are within the scope of protection of the utility model. the

Claims (5)

1. Novel LED bulb lamp heat radiator, it is characterized in that: it is an approximate truncated cone-shaped housing, the circumferential direction inside direction of described approximate truncated cone-shaped housing is provided with a plurality of airways successively, this airway is extended to upper bottom surface by the bottom surface of described approximate truncated cone-shaped housing, and this airway cross section dwindles gradually, and described airway bottom is provided with through hole.

2. Novel LED bulb lamp heat radiator according to claim 1, it is characterized in that: described approximate truncated cone-shaped housing center is provided with a hollow circular cylinder; This hollow circular cylinder upper bottom surface is provided with opening, and outer circumference surface is provided with a screens, and inner wall surface is provided with many guide rails.

3. Novel LED bulb lamp heat radiator according to claim 1, it is characterized in that: the cross section of described airway is square.

4. Novel LED bulb lamp heat radiator according to claim 1 is characterized in that: also be provided with many outwardly directed radiated flanges on its case surface.

5. Novel LED bulb lamp heat radiator according to claim 2, it is characterized in that: described hollow circular cylinder bottom surface is provided with a lead, a positive stop lug boss and a plurality of screw.

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