CN103062737A

CN103062737A - LED radiator

Info

Publication number: CN103062737A
Application number: CN2013100307693A
Authority: CN
Inventors: 陈树
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-01-25
Filing date: 2013-01-25
Publication date: 2013-04-24
Anticipated expiration: 2033-01-25
Also published as: CN103062737B

Abstract

The invention provides an LED radiator. The LED radiator comprises a radiating post and radiating fins, and the radiating fins are annularly fixed on the radiating post at intervals and are provided with passages penetrating through all the radiating fins. The LED radiator solves the problems of poor radiating effect and heavy weight of LED radiators in the prior art.

Description

A kind of LED radiator

Technical field

The present invention relates to radiator, refer to especially a kind of radiator for LED.

Background technology

Existing LED is existing multiple application in the public illumination field, and because its energy-conserving and environment-protective, so the development of its technology is also more and more faster.

Under the outside effect of power plant of LED, the laying compound of electronics and hole and electromagnetic action that produce changes into luminous energy with 15%～25% of energy, and the vibration of the lattice of radiationless compound generation is heat energy with all the other Conversion of Energies of 75%～85%.Owing to do not comprise infrared part in the spectrum of giving out light of white light LEDs, its heat can not rely on radiation to discharge.And the operating characteristic of semiconductor devices is very responsive to temperature, if untimely the leaving of heat can produce significant impact to the luminous efficiency of LED, luminous flux, photochromic, forward bias and life-span.Therefore the heat dissipation design of high-power LED luminescent device becomes extremely important.

Therefore in the existing LED Design of Luminaires, an of paramount importance problem is heat dissipation problem, and fansink designs is bad, can cause whole heat dispersion poor, thereby affect service life etc. of light fixture, and increase area of dissipation, then may cause the preponderance of radiator itself, also can increase cost simultaneously.Therefore need a good heat dissipation effect of design, and the light radiator of quality.

Summary of the invention

The present invention proposes a kind of LED radiator, and it is poor to have solved in the prior art radiating effect of LED radiator, the problem that quality is heavy.

Technical scheme of the present invention is achieved in that

A kind of LED radiator comprises: thermal column, and radiating fin; Described radiating fin is fixed on the described thermal column in the form of a ring, is provided with spacing between the described radiating fin in twos; Wherein, be provided with a plurality of passages, described passage runs through the described radiating fin of part.

Preferably, described passage runs through all radiating fins.

Preferably, described passage is provided with a plurality of, and all be around in described thermal column around.

Preferably, the below of described thermal column is provided with base, and the edge of described base is suitable with the edge of radiating fin.

Preferably, described base bottom is provided with groove.

Preferably, described base is step-like structure, comprises mutually stacking first step and second step; Be fixed with described radiating fin on the first step, the edge of second step is suitable with the edge of described radiating fin.

Preferably, be provided with breach with described radiating fin connecting place on the described second step.

Preferably, the outer surface of described base is provided with screw thread.

Preferably, described thermal column is hollow cylinder.

Preferably, the radiating fin of described top and bottom is provided with installing hole.

LED radiator provided by the invention, be fixed on the thermal column by the sheet body structure of radiating fin being done circlewise, and be located at the interval between the radiating fin, thereby offer through hole on the radiating fin simultaneously and formed a rule passage, therefore can be in the situation of equal volume, material can also be saved simultaneously in maximized increasing heat radiation area and space, reduces weight and the cost of radiator.

Description of drawings

In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the perspective view of a kind of LED radiator of the present invention;

Fig. 2 is the front view of a kind of LED radiator of the present invention;

Fig. 3 is the generalized section of Fig. 2 A-A direction.

The specific embodiment

Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.

See also Fig. 1 to Fig. 3, a kind of LED radiator comprises: thermal column 1, and radiating fin 2; Described radiating fin 2 is fixed on the described thermal column 1 in the form of a ring, is provided with spacing between the described radiating fin 2 in twos; Wherein, be provided with a plurality of passages 3, described passage 3 runs through the described radiating fin 2 of part.Passage can increase the space of heat radiation, and can be counterbore, and it can also be opened on the radiator fins of mid portion certainly, perhaps offers on the radiating fin of upper end, also offers on the heat radiation radiating fin of lower end, and does not communicate between two passages.It is not limited to the above.

Certainly, for better radiating effect, preferred, described passage 3 can run through all radiating fins, and this mode is also saved material the most.

Preferably, radiator can select aluminium flake to make, thereby can better realize radiating effect.The structure that radiating fin and thermal column can be formed in one, this mode is saved procedure of processing more, and thermal diffusivity is best; Certainly it also can be dismountable structure for easy to assembly.Be that the modes such as radiating fin can or be riveted by welding, interference connection are fixed on the thermal column.But the most normal use is the integrated structure of radiating fin and thermal column.

Preferably, wherein passage 3 can also for semienclosed, namely do not offered through hole on the part radiating fin of bottom and communicate with passage.Arranging of passage 3 can also can be arranged for heterogeneous for evenly arranging; And if the volume of radiator is when larger, passage 3 can be divided into multi-turn and distribute, and namely is divided into similar concentrically ringed mode; Be divided into Internal and external cycle, formed a circle by a plurality of passages 3, then just be scattered such as concentrically ringed mode.

Preferably, described passage 3 is provided with a plurality of, and all be around in described thermal column 1 around.Preferably, passage 3 is provided with 6 in the present embodiment, and the interval be evenly distributed on described thermal column 1 around.The uniform distribution in interval can make heat radiation more even.And identical passage 3 can strengthen the space of heat radiation.

Preferably, the below of described thermal column 1 is provided with base 4, the edge of the edge of described base 4 and radiating fin 2 is suitable, and best mode is, the passage 3 that passes all radiating fins 2 runs through base 4 equally, and certainly, it is not limited to such mode, the outer rim of base also can be less than the outer rim of radiating fin, perhaps can be greater than the outer rim of radiating fin.

Preferably, described base 4 bottoms are provided with groove 5, and this groove 5 both can be saved material, can also vacating space, be convenient to the convection current of air; But the structure of being not limited thereto, base 4 also can be flat structure, namely do not need to offer groove 5.

Preferably, described base 4 is step-like structure, comprises mutually stacking first step 6 and second step 7; Be fixed with described radiating fin 2 on the first step 6, the edge of the edge of second step 7 and described radiating fin 2 is suitable.

Preferably, be provided with breach 8 with described radiating fin 2 connecting places on the described second step 7, this breach 8 can provide more window for cross-ventilation.

Preferably, the outer surface of described base 4 is provided with screw thread 9, is convenient to radiator and other parts be fixed or connected together.Certain its fixed form has multiple, for example can also be fixed by snap, perhaps fix by rivet.This mainly enumerates some common preferred schemes again.

Preferably, described thermal column 1 is hollow cylinder; Thereby can further increase heat-dissipating space, and save cost.

Preferably, the radiating fin 2 of described top and bottom is provided with installing hole 10, is convenient to other parts are fixed on the radiator, for example LED lamp bar is fixed on the radiator, can pass through anchoring piece, passes fixing hole and fixes.

The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a LED radiator is characterized in that, comprising: thermal column, and radiating fin; Described radiating fin is fixed on the described thermal column in the form of a ring, is provided with spacing between the described radiating fin in twos; Wherein, be provided with a plurality of passages, described passage runs through the described radiating fin of part.

2. a kind of LED radiator as claimed in claim 1 is characterized in that described passage runs through all radiating fins.

3. a kind of LED radiator as claimed in claim 1 is characterized in that described passage is provided with a plurality of, and all be around in described thermal column around.

4. a kind of LED radiator as claimed in claim 1 is characterized in that the below of described thermal column is provided with base, and the edge of described base is suitable with the edge of radiating fin.

5. a kind of LED radiator as claimed in claim 4 is characterized in that, described base bottom is provided with groove.

6. a kind of LED radiator as claimed in claim 4 is characterized in that described base is step-like structure, comprises mutually stacking first step and second step; Be fixed with described radiating fin on the first step, the edge of second step is suitable with the edge of described radiating fin.

7. a kind of LED radiator as claimed in claim 6 is characterized in that, is provided with breach with described radiating fin connecting place on the described second step.

8. a kind of LED radiator as claimed in claim 4 is characterized in that the outer surface of described base is provided with screw thread.

9. a kind of LED radiator as claimed in claim 1 is characterized in that, described thermal column is hollow cylinder.

10. a kind of LED radiator as claimed in claim 1 is characterized in that the radiating fin of described top and bottom is provided with installing hole.