CN201751677U

CN201751677U - Spraying and cooling LED (light-emitting diode) lamp

Info

Publication number: CN201751677U
Application number: CN2010201865947U
Authority: CN
Inventors: 黎焕斌
Original assignee: Thermal Magic Technology Co Ltd
Current assignee: Thermal Magic Technology Co Ltd
Priority date: 2010-05-12
Filing date: 2010-05-12
Publication date: 2011-02-23
Anticipated expiration: 2020-05-12

Abstract

The utility model provides a spraying and cooling LED lamp which comprises a main body, a power supplying device, a heat dissipating seat, an LED module, a lamp cover and a plasma wind cooling device, wherein the periphery of the heat dissipating seat is formed by a plurality of heat dissipating fins which are arranged in the shape of curve arc, a plurality of wind outlet passageways which are in the shape of rotary cut are formed among the heat dissipating fins, and the surface of the heat dissipating seat is coated with a carbon interface composite material; and the plasma wind cooling device is arranged under the heat dissipating seat and comprises a high-voltage generator, an electricity discharging disc and a fan, the high-voltage generator is electrically connected with the power supplying device, the electricity of the air is discharged on the electricity discharging disc, the plasma is liberated after ionizing and is stirred to circulate by the fan to form the phenomena of convecting, spraying and cooling inside and outside. The spraying and cooling LED lamp dissipates the heat by continuously exporting the heat in a bulb and simultaneously absorbing the cold air by means of spraying, cooling and convecting, thereby reducing the high temperature generated by using the high-power LED module, and being capable of achieving the effects of prolonging the service life of the bulb and improving the photoelectric conversion efficiency of the LED module.

Description

Spray the cooling LED lamp

Technical field

The utility model relates to a kind of injection cooling LED lamp, be particularly related to a kind of carbon interface composite wood heat radiation coating that utilizes, and utilization plasma air-cooling device, and then make inside and outside formation of bulb spray cooling convection current phenomenon, reduce the high temperature that LED module integral body is produced, promote the photoelectric transformation efficiency of bulb service life and LED module.

Background technology

The indoor bulb of tradition mostly is osram lamp, quartz lamp or based on halogen bulb etc.; So, not only service life is short for these bulbs, fault rate is high, and is the product of highly energy-consuming, therefore has not been inconsistent the trend of present energy-conserving and environment-protective.

Secondly, because the LED technology is constantly progressive, impel the brightness of LED product to continue to raise, by early stage indicator lamp function, advance to have power saving, environmental protection, the life-span is long, volume is little illumination and light source product, range of application contains general illumination, automobile-used illumination, street lighting and backlight etc., market scale and growth power are considerable, the industry that the whole world of can saying so will be actively promoted future, however because the high-capacity LED input power only has 15 ~ 20% to convert light to, all the other 80 ~ 85% convert heat to; If these heat energy fail effectively to be handled, be discharged outside in good time, will make LED crystal grain boundary temperature too high, and influence its wavelength, even causing problems such as luminous efficiency decay, life-span reduction, the problem of heat so its system derives will be to influence the good and bad key of product function.

Moreover, led light source is with regard to structure, be demand in response to its high brightness, must be in the numerous led chip of a slice substrate package, and when led chip quantity increased, it can produce higher temperature relatively, and influenced the reliability and the service life of product, therefore the design of cooling mechanism is necessary equipment for the high-brightness LED module.

At present for the modal heat dissipation of LED bulb, be to adopt radiating seat with radiating fin, as shown in Figure 1, existing a kind of LED bulb 90, its lamp holder 91 is to cooperate the E26/E27 lamp socket of present bulb to be set as, and between its lamp holder 91 and this lampshade 92, constituted by the aluminum radiating seat 93 with a plurality of radiating fins; But this radiating seat 93 is externally to dispel the heat with conduction and radiation mode, for the high-capacity LED module, have the shortcoming of radiating efficiency deficiency, as strengthen radiating seat 93 volumes, then LED bulb 90 integral body will become big and weight can increase, except that not being inconsistent present environment uses, and only be to increase the heat radiation volume, and fail to solve at the cooling problem, then big again radiating seat probably also can't satisfy the radiating requirements of LED bulb.

The utility model content

Technical problem underlying to be solved in the utility model is, overcome the above-mentioned defective that prior art exists, and provide a kind of injection cooling LED lamp, it utilizes and sprays the cooling convection current, constantly the heat of bulb inside is derived, and suck cold air simultaneously and dispel the heat, and then reduce the high temperature that is produced when the high-capacity LED module uses, and can reach the effect that promotes bulb service life and LED module photoelectric transformation efficiency.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of injection cooling LED lamp comprises: a body, one end are provided with a metallic lamp holder that electrically connects usefulness, and the other end then forms opening, and this body is provided with a plurality of openings around near this metallic lamp holder; One power supply device is provided in a side of in this body, and itself and this metallic lamp holder is electric connection; One radiating seat is provided in a side of the openend of this body, and it is made of the metal material, and its end face also forms an installment surface; One LED module is provided in a side of on this installment surface; One lampshade is provided in a side of on this radiating seat, and this LED module of cover cap; It is characterized in that: the periphery of this radiating seat is made of a plurality of radiating fins that are bent arc arrangement, and forms the air-out passage of rotary-cut shape between each radiating fin, and this radiating seat surface is coated with carbon interface composite wood; An and plasma air-cooling device, be provided in a side of this radiating seat below, it comprises: a high voltage generator, a discharging tray and a fan, this high voltage generator is to electrically connect with this power supply device, and on this discharging tray,, disengage plasma after the ionization, and utilize this fan to make it stir circulation atmospherical discharges, form inside and outside convection current and spray the cooling phenomenon, to promote radiating efficiency.

Aforesaid injection cooling LED lamp, wherein high voltage generator is provided with big electrical discharge wire, and its discharge end is located in the discharge column of these discharging tray central authorities.

Aforesaid injection cooling LED lamp, wherein the high-tension electricity generator more is provided with many less electrical discharge wires, and its discharge end is connected to the discharge aperture place on this discharging tray surface.

Aforesaid injection cooling LED lamp, the carbon interface composite wood that is coated with of radiating seat surface wherein, it adopts graphite, C60 CNT or class to bore porous crack high surface that material with carbon element or its combined type the constituted temperature layer that looses.

The difference of above-mentioned feature of the utility model and existing LED bulb is: radiating seat of the present utility model surface is coated with a carbon interface composite wood, its material adopts graphite, C60 CNT or class to bore wherein arbitrary or its combined type of carbon, and this carbon interface composite wood is to form mushy high surface to loose warm layer, can improve cooling surface area.

And, this radiating seat is further combined with a plasma air-cooling device, it emits numerous voltage potentials (Voltage Patential) between two electrodes, air molecule will be covered with on this radiating seat surface, produce plasma wind, make and no longer keep fixing near the air on radiating seat surface, and general cooling fan efficient can be improved, improve heat conduction efficiency, that is utilize plasma wind to quicken pressurized air between high-field electrode, form inside and outside convection current and spray cooling, the radiating efficiency of LED module and radiating seat can be improved.

Whereby, the utility model must not increase the volume of radiating seat, can utilize inside and outside convection current to spray the type of cooling, constantly derives by outside introducing cold air and with internal heat gas, LED module temperature is reduced more than 20%, promoted the service life and the photoelectric transformation efficiency thereof of LED bulb in view of the above.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the schematic diagram of existing LED bulb.

Fig. 2 is the exploded perspective schematic diagram of the utility model preferred embodiment.

Fig. 3 is the combination schematic perspective view of the utility model preferred embodiment.

Fig. 4 is the side sectional view of the utility model preferred embodiment.

Fig. 5 is a 5-5 cross-section cutaway view shown in Figure 4.

Fig. 6 is the part enlarged drawing of 6 indications among Fig. 5.

The number in the figure explanation:

10 bodies

11 metallic lamp holders

12 openings

13 openings

20 power supply devices

21 high voltage generators

22 big electrical discharge wires

23 less electrical discharge wires

30 discharging tray

31 discharge columns

32 discharge aperture

33 fans

40 plasma air-cooling devices

50 radiating seats

51 air-out passages

52 radiating fins

53 carbon interface composite woods

54 installment surface

The 60LED module

70 lampshades

The 80LED lamp

The specific embodiment

At first, see also Fig. 2 ~ shown in Figure 6, the utility model preferred embodiment includes:

One body 10, one end are provided with a metallic lamp holder 11 that electrically connects usefulness, and in the present embodiment, this metallic lamp holder 11 is for to meet the copper bolted joint of E26/E27 specification lamp socket, but is not limited to this; These body 10 other ends then form an opening 13, and around near metal joint 11, are provided with a plurality of openings 12.

One power supply device 20 is provided in a side of in this body 10, and itself and this metallic lamp holder 11 is electric connection, and its purpose is to supply with the required power supply of element that LED module 60 required driving power and follow-up the utility model are disclosed.

One radiating seat 50 is provided in a side of the openend 13 of this body 10, and it is made of the good metal material of thermal diffusivity, and its end face also forms an installment surface 54; The radiating seat 50 of preferred embodiment is made of aluminium or copper, but is not limited to this.

One LED module 60 is provided in a side of on this installment surface 54, and in the present embodiment, this LED module 60 is a high power module, promptly is provided with most crystal grain of arranging on a plate base, but is not limited to this.

One lampshade 70 is provided in a side of on this radiating seat 50, and this LED module 60 of cover cap.

Being the basic structure of a LED lamp more than, is to belong to prior art (Prior Art), so repeat no more.

And the principal character of the utility model LED lamp 90 is: use the body of this radiating seat 60 and the diffusing temperature layer on surface, and cooperate the plasma air-cooling device 40 of a novel designs to promote heat sinking function; Promptly as Fig. 5, shown in Figure 6:

The periphery of this radiating seat 50 is made of a plurality of radiating fins 52 that are bent arc arrangement, and forms the air-out passage 51 of rotary-cut shape between each radiating fin 52, and these radiating seat 50 surfaces are coated with carbon interface composite wood 53; And as Fig. 2, shown in Figure 4:

One plasma air-cooling device 40, be provided in a side of this radiating seat 50 belows, it comprises: a high voltage generator 21, a discharging tray 30 and a fan 33, this high voltage generator 21 is to electrically connect with this power supply device 20, and on this discharging tray 30,, disengage plasma after the ionization, and utilize this fan 33 to make it stir circulation atmospherical discharges, form inside and outside convection current and spray the cooling phenomenon, promote radiating efficiency according to this.

In addition, in the present embodiment, this voltage generator 21 is to be located at power supply device 20, but is not limited to this.It is provided with big electrical discharge wire 22, and it can be made of carbon fiber, and its discharge end is located in the discharge column 31 of these discharging tray 30 central authorities.In addition, it also can be provided with many less electrical discharge wires 23, and its discharge end is connected to discharge aperture 32 places on discharging tray 30 surfaces, forms the kenel of multiple spot discharge according to this.

Again, the carbon interface composite wood 53 that aforementioned these radiating seat 50 surfaces are coated with, it adopts graphite, C60 CNT and class to bore the diffusing temperature layer of the carbon porous crack high surface that wherein arbitrary material or its combined type constituted.Utilize this coating layer to improve cooling surface area, and cooperate this plasma air-cooling device 40, and cooling blast is introduced by the opening around the body 10 12, and hot-air derived by air-out passage 51 rotary-cuts between the radiating fin 52, form inside and outside convection current, quicken the boosting jet air between high-field electrode, and then the radiating efficiency of lifting LED module 60 and radiating seat 50, certainly, the radiating seat of LED module 60 prolongs service life naturally, and light conversion efficiency also can improve.

By above-mentioned technological means, the utility model has following effect when using:

1. the volume of LED bulb 80 of the present utility model is similar to general bulb, therefore can be connected use with the lamp socket in the present use, has compatibility.

2. because the volume of metal cooling seat is very not big,, promote the convenience on using so the existing LED bulb 90 of whole weight ratio wants light.

3. special carbon interface composite wood cooperates injection cooling convection current design, can promote radiating efficiency and photoelectric transformation efficiency really.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

In sum, the utility model is on structural design, use practicality and cost benefit, it is required to meet industry development fully, and the structure that is disclosed also is to have unprecedented innovation structure, have novelty, creativeness, practicality, the regulation that meets relevant novel patent requirement is so mention application in accordance with the law.

Claims

1. one kind is sprayed the cooling LED lamp, comprising:

One body, one end are provided with a metallic lamp holder that electrically connects usefulness, and the other end then forms opening, and this body is provided with a plurality of openings around near this metallic lamp holder;

One power supply device is provided in a side of in this body, and itself and this metallic lamp holder is electric connection;

One radiating seat is provided in a side of the openend of this body, and it is made of the metal material, and its end face forms an installment surface;

One LED module is provided in a side of on this installment surface;

One lampshade is provided in a side of on this radiating seat, and this LED module of cover cap;

It is characterized in that:

The periphery of this radiating seat is made of a plurality of radiating fins that are bent arc arrangement, and forms the air-out passage of rotary-cut shape between each radiating fin, and this radiating seat surface is coated with carbon interface composite wood; And

One plasma air-cooling device, be provided in a side of this radiating seat below, it comprises: a high voltage generator, a discharging tray and a fan, this high voltage generator is to electrically connect with this power supply device, and on this discharging tray to atmospherical discharges, disengage plasma after the ionization, and utilize this fan to make it stir circulation, form inside and outside convection current and spray the cooling phenomenon.

2. injection cooling LED lamp according to claim 1 is characterized in that, described high voltage generator is provided with big electrical discharge wire, and its discharge end is located in the discharge column of these discharging tray central authorities.

3. injection cooling LED lamp according to claim 2 is characterized in that described high-tension electricity generator more is provided with many less electrical discharge wires, and its discharge end is connected to the discharge aperture place on this discharging tray surface.

4. injection cooling LED lamp according to claim 1 is characterized in that, the carbon interface composite wood that described radiating seat surface is coated with, and it adopts graphite, C60 CNT or class to bore the diffusing temperature layer of porous crack high surface that material with carbon element or its combined type constituted.