CN101893181A - A high-efficiency LED light bulb - Google Patents

Abstract

Translated fromChinese

一种高效LED灯泡，属于LED半导体照明技术领域。由灯头、灯座、驱动器、风扇、散热器、LED光源组件、反光罩、透光罩等安装构成，散热器的上半部分设有两个或多个的两面或多面独立散热块，下半部分设有中空的散热空腔，风扇置于独立散热块与散热空腔之间，LED光源组件固定在独立散热块上；反光罩、透光罩安装固定在散热器上，透光罩罩住独立散热块及其上安装的LED光源组件，灯座与散热器的下部连接，驱动器安装在灯座上并置于散热空腔中。本发明结构新颖独特，科学合理，生产组装便捷，成本低，外形美观。通过增加散热面积和风扇的强制对流散热，提高灯泡的散热效果，适用于室内环境的大功率LED灯泡，实现灯泡的高效率和长寿命。

A high-efficiency LED light bulb belongs to the technical field of LED semiconductor lighting. It is composed of lamp holder, lamp holder, driver, fan, radiator, LED light source assembly, reflector, light transmission cover, etc. The upper part of the radiator is equipped with two or more independent cooling blocks on two or more sides, and the lower half Some are equipped with a hollow heat dissipation cavity, the fan is placed between the independent heat dissipation block and the heat dissipation cavity, and the LED light source assembly is fixed on the independent heat dissipation block; the reflector and the light transmission cover are installed and fixed on the radiator, and the light transmission cover covers The independent heat dissipation block and the LED light source assembly installed on it, the lamp holder is connected with the lower part of the heat sink, and the driver is installed on the lamp holder and placed in the heat dissipation cavity. The invention is novel and unique in structure, scientific and reasonable, convenient in production and assembly, low in cost and beautiful in appearance. By increasing the heat dissipation area and the forced convection heat dissipation of the fan, the heat dissipation effect of the bulb is improved, and it is suitable for high-power LED bulbs in indoor environments to achieve high efficiency and long life of the bulb.

Description

A kind of high-efficiency LED bulb

Technical field

The present invention relates to a kind of is the bulb of light source with LED, belongs to the LED technical field of semiconductor illumination.

Background technology

Existing LED bulb mainly is made up of lamp holder, lamp socket, driver, radiator, led light source assembly, diffuser etc., a kind of is to adopt reflective device to carry out luminous intensity distribution, all heats only dispel the heat by single-ended radiating block, its shortcoming is that area of dissipation is little, power can't be done greatly, total output light flux of LED bulb is low, and the reflecting and light distributing light loss is big, and overall system efficiency is low.Other has a kind of LED bulb is that led light source is integrated on the stem stem, places the cell-shell of sealing, and radiating efficiency is extremely low, and LED power can't be done greatly, and the whole light output of LED is low, is difficult to satisfy customer requirement.

Summary of the invention

Purpose of the present invention is exactly to improve at the deficiency of above-mentioned existing product, and a kind of high light efficiency, good heat dissipation effect are provided, the LED bulb of structure uniqueness.

The objective of the invention is to realize by existing LED bulb improved, a kind of high-efficiency LED bulb, comprise lamp holder, lamp socket, driver, radiator, led light source assembly, reflection shield, diffuser, it is characterized in that, be provided with fan, the first half of described radiator is provided with two or more two sides or multiaspect independence radiating block, the latter half is provided with the heat radiation cavity of hollow, fan is arranged between the independent radiating block and heat radiation cavity of radiator, and the led light source assembly is fixed on the independent radiating block of radiator; Reflection shield is fixed on the radiator, diffuser is fixed on the radiator and covers independent radiating block and go up the mounted LEDs light source assembly, lamp socket is installed with the latter half of radiator and is connected, and driver is installed on the lamp socket and places the heat radiation cavity of radiator the latter half hollow.

Described independent radiating block is the radiating block that is in the shape of the letter V, and V word mouth is towards bulb outer rim direction, and V word bottom is towards the bulb axis direction.

Described led light source assembly is a plurality of independently led light source assemblies, is separately fixed on a plurality of independent radiating block of radiator.

Be provided with air vent between described independent radiating block and the heat radiation cavity.

Described LED bulb profile is candle or circle or mushroom-shaped or olive shape.

Novel structure uniqueness of the present invention, scientific and reasonable, production and assembly are convenient, and cost is low, and whole artistry is good, good looking appearance, long service life.The first half of radiator is divided into the independent radiating block of a plurality of directions, outwards heat radiation on the outer surface of the latter half that the side and the heat of the heat that can be effectively led light source be produced by radiating block is transmitted to radiator, and area of dissipation is big.Simultaneously, inside at radiator has increased fan, can make full use of the incomplete connection between the independent radiating block of radiator the first half, form cross-ventilation, carry out forced heat radiation, improve radiating effect, be particularly conducive to the heat radiation of high-power LED bulb, and guarantee the service life of product.The latter half of lamp socket and radiator is fastened and connected by the mode of buckle, and driver is fixed in the cavity of lamp socket and radiator composition, forms the protection of circuit.Reflection shield adopts high reflecting material, and diffuser adopts the high transparent material of light transmittance, improves the luminous efficiency of LED bulb, realizes the high light efficiency purpose of light fixture.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a decomposition texture schematic diagram of the present invention;

Fig. 3 is a heat spreader structures schematic diagram of the present invention;

Among the figure:lamp holder 1,lamp socket 2,driver 3,fan 4,radiator 5, ledlight source assembly 6,reflection shield 7,diffuser 8.

The specific embodiment

As Fig. 1, Fig. 2, shown in Figure 3, a kind of high-efficiency LED bulb is connected and composed by installations such aslamp holder 1,lamp socket 2,driver 3,fan 4,radiator 5, ledlight source assembly 6,reflection shield 7, diffusers 8.The first half ofradiator 5 has a plurality of multiaspect independence radiating blocks, and multiaspect independence radiating block is the radiating block that is in the shape of the letter V, and V word mouth is towards bulb outer rim direction, and V word bottom is towards the bulb axis direction.The latter half ofradiator 5 is provided with the heat radiation cavity of hollow.Fan 4 is provided with between the multiaspect independence radiating block and heat radiation cavity that is installed inradiator 5, and the air vent with exterior is set between multiaspect independence radiating block and the heat radiation cavity.Ledlight source assembly 6 is a plurality of independently led light source assemblies, is separately fixed on a plurality of multiaspect independence radiating blocks ofradiator 5, and the led light source number of components equates with multiaspect independence radiating block number.Present embodiment adopts four ledlight source assemblies 6 to be fixed on respectively on four multiaspect independence radiating blocks of radiator 5.On the outer surface of the latter half that the side and the heat of the heat that led light source produces by multiaspect independence radiating block is transmitted toradiator 5, again by with the forced heat radiation of conduction of the heat of air andfan 4, heat is delivered in the air the most at last, realizes that the heat of light fixturedistributes.Reflection shield 7 is fixed on theradiator 5,diffuser 8 is fixed on theradiator 5 and covers multiaspectindependence radiating block 5 and go up mounted LEDslight source assembly 6, reflection shield adopts high reflecting material, anddiffuser 8 adopts the high transparent material of light transmittance, realizes the high light efficiency purpose of lightfixture.Lamp socket 2 is installed with the latter half ofradiator 5 and is connected, anddriver 3 is installed on thelamp socket 2 and places the heat radiation cavity ofradiator 5 the latter half hollows, forms the protection of circuit.LED bulb profile is candle or circle or mushroom-shaped or olive shape.

Claims (5)

1. high-efficiency LED bulb, comprise lamp holder (1), lamp socket (2), driver (3), radiator (5), led light source assembly (6), reflection shield (7), diffuser (8), it is characterized in that, be provided with fan (4), the first half of described radiator (5) is provided with two or more two sides or multiaspect independence radiating block, the latter half is provided with the heat radiation cavity of hollow, fan (4) is arranged between the independent radiating block and heat radiation cavity of radiator (5), and led light source assembly (6) is fixed on the independent radiating block of radiator (3); Reflection shield (7) is fixed on the radiator (5), diffuser (8) is fixed on radiator (5) and goes up and cover independent radiating block and go up mounted LEDs light source assembly (5), lamp socket (2) is installed with the latter half of radiator (5) and is connected, and driver (3) is installed in the heat radiation cavity that radiator (4) the latter half hollow was gone up and placed to lamp socket (2).

2. a kind of high-efficiency LED bulb according to claim 1 is characterized in that, described independent radiating block is the radiating block that is in the shape of the letter V, and V word mouth is towards bulb outer rim direction, and V word bottom is towards the bulb axis direction.

3. a kind of high-efficiency LED bulb according to claim 1 is characterized in that, described led light source assembly (6) is two or more independently led light source assemblies, is separately fixed on the two or more independent radiating block of radiator (5).

4. a kind of high-efficiency LED bulb according to claim 1 is characterized in that, is provided with air vent between described independent radiating block and the heat radiation cavity.

5. a kind of high-efficiency LED bulb according to claim 1 is characterized in that, described LED bulb profile is candle or circle or mushroom-shaped or olive shape.

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