CN201439886U - LED bulb - Google Patents

The utility model discloses an LED bulb with good light transmission and the luminous way, the size and the appearance being completely identical to that of an ordinary fluorescence lamp bulb, which comprises a lamp adapter (1), a driving circuit component (2), a light source bracket (3), an LED light source (4) and a shell (5), wherein the light source bracket (3) comprises a base (31) and a polyhedron (32), the light source bracket (3) is made of metal, an electric wire hole (33) is arranged at the internal axial center of the base (31), the polyhedron (32) is arranged on the top part of the base (31), the lower part of the base (31) is closely contacted with the inner wall of the lamp adapter (1) so as to transfer the heat, the LED light source (4) comprises a heat radiation soleplate (40) and an LED chip (41) which is arranged on the heat radiation soleplate (40), the heat radiation soleplate (40) is directly fixed on different circumferential surfaces of the polyhedron (32), the LED chip (41) adopts the circumferential surfaces of the polyhedron (32) as a benchmark surface so as to radiate light towards the periphery, and the driving circuit component (2) is electrically connected with the lamp adapter (1) and the LED light source (4) through a conducting wire.

Technical field

The utility model relates to a kind of LED bulb.

Background technology

Traditional bulb is an incandescent light bulb, and its illumination is lower, and light is not bright, not energy-conservation.Occurred the fluorescent lamp bulb behind incandescent lamp bulb, though it is energy-conservation, light is brighter, since a large amount of fluorescent material that uses, therefore not enough environmental protection.Occurred more energy-conservation at present and led light source environmental protection, produced the LED bulb thereupon, existing LED bulb common configuration complexity, mainly comprise three parts---lamp holder, neck, luminous sphere, lamp holder all is a standard component, neck generally has plastics and two kinds of materials of metal, neck generally is lighttight, be mainly used in and connect and heat radiation or placement driver, luminous sphere generally has two kinds of materials of plastic and glass, is used for printing opacity, and generally needs additionally to set up heat abstractor, heat abstractor generally can see from the outside and profile strange, so its profile has been compared than big difference with the ordinary incandescent lamp bulb with internal structure.

In the existing LED bulb, the light emission direction of LED generally all is forward, owing to be subjected to the restriction of LED lighting angle, therefore existing LED bulb is luminous all a taper angle, can not be the same with the fluorescent lamp bulb luminous to all directions as traditional incandescent light bulb.After using the LED bulb to replace incandescent light bulb and fluorescent lamp bulb and putting it into light fixture, because the difference of illumination mode can cause illumination effect and incandescent light bulb and fluorescent lamp bulb to differ greatly, can not reach the illumination effect of Design of Luminaires, decorate properties is had a greatly reduced quality, and therefore can the replacement of bulb be had a negative impact.In addition, existing LED bulb is in order to reach the requirement of high brightness, a fairly large number of LED need be set, because the space is less in the bulb, in order to save the space, therefore generally the LED staggered superposition is arranged, can be interfered mutually when each LED is luminous and refraction and reflection take place, this can cause its light transmittance relatively poor again, and illumination effect is poor.

The utility model content

Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of light transmittance energy good, the identical LED bulb of illumination mode and volume, profile and ordinary incandescent lamp bulb, described LED bulb appearance looks elegant, simple in structure, energy-saving and environmental protection, good heat dissipation effect, can be luminous to all directions, illumination effect is good.

The technical scheme that the utility model adopted is: the utility model comprises lamp holder, cell-shell, the afterbody of described cell-shell and described lamp holder are fixedly connected, described LED bulb also comprises the drive circuit assembly, light source bracket, led light source, described drive circuit assembly is positioned at described lamp holder, described cell-shell is enclosed in inner chamber with described led light source and described light source bracket, described light source bracket comprises base, polyhedron, described light source bracket adopts the metal manufacturing, the inside axial centre of described base is provided with wire hole, described polyhedron is positioned at the top of described base, the bottom of described base closely contacts mutually with the inwall of described lamp holder and carries out heat conduction, described led light source comprises radiating bottom plate and is positioned at led chip on the described radiating bottom plate, described radiating bottom plate directly is fixed on described polyhedral circumferentially each face, described led chip with described polyhedral circumferentially each face be datum level to around luminous, described drive circuit assembly is electrically connected by lead and described lamp holder and passes described wire hole and described led light source is electrically connected by lead.

Described radiating bottom plate also directly is fixed on described polyhedral end face, and described led chip is that datum level is luminous with described polyhedral end face also.

Described led light source is positioned at the centre of luminescence of described cell-shell.

The profile of described base is bent taper or pyramid is cylindrical or prismatic.

The described cell-shell structure that is formed in one.

Perhaps, described cell-shell comprises upper body, lower case, and described upper body and described lower case are fastened and connected or bond fixing.

Complete printing opacity of described cell-shell or part printing opacity.

Described cell-shell adopts plastics or glass manufacturing.

The profile of described cell-shell resembles a pear in shape or sphere or candle.

The model of described lamp holder is E27 or E26 or E14 or E12 or GU10 or GU5.3 or B22.

The beneficial effects of the utility model are: because the utility model comprises the drive circuit assembly, light source bracket, led light source, described drive circuit assembly is positioned at described lamp holder, described cell-shell is enclosed in inner chamber with described led light source and described light source bracket, described light source bracket comprises base, polyhedron, described light source bracket adopts the metal manufacturing, the inside axial centre of described base is provided with wire hole, described polyhedron is positioned at the top of described base, the bottom of described base closely contacts mutually with the inwall of described lamp holder and carries out heat conduction, described led light source comprises radiating bottom plate and is positioned at led chip on the described radiating bottom plate, described radiating bottom plate directly is fixed on described polyhedral circumferentially each face, described led chip is that datum level is to luminous all around with described polyhedral circumferentially each face, described drive circuit assembly is electrically connected by lead and described lamp holder and passes described wire hole and described led light source is electrically connected by lead, the utility model adopts described led light source to replace the tungsten filament of conventional incandescent bulb, adopt described light source bracket to replace the tungsten filament support of conventional incandescent bulb, simultaneously, described light source bracket is also as the heat abstractor of LED, it is lofty not seem in appearance, therefore volume of the present utility model and profile are compared in full accordly with the ordinary incandescent lamp bulb, and internal structure of the present utility model seems from the outside also to compare basically identical with the ordinary incandescent lamp bulb; Described led chip on described polyhedral circumferentially each face at the top by being positioned at described base to around luminous, make the utility model luminous to circumferential all directions as traditional incandescent light bulb, be that illumination mode of the present utility model is identical with common incandescent light bulb, therefore after using the LED bulb to replace incandescent light bulb and fluorescent lamp bulb and putting it into light fixture, illumination effect and incandescent light bulb and fluorescent lamp bulb difference are little, can reach the illumination effect of Design of Luminaires fully, decorate properties is good, helps the replacement to incandescent light bulb and fluorescent lamp bulb; And, described led chip of the present utility model is arranged on described polyhedral circumferentially each face, and LED is superposeed on light emitting path, can not interfere with each other when therefore described led chip is luminous and refraction takes place and reflects, therefore improved light transmittance, illumination effect is good; In addition, because LED bulb of the present utility model is different with the principle of luminosity of incandescent light bulb, led light source does not need the environment of vacuum just can be luminous, therefore simple in structure, also not influence described led light source luminous even described cell-shell breaks, be unlikely to make bulb to be scrapped, and LED itself has the advantage of energy-conserving and environment-protective, and caloric value is little, just can dispel the heat by the air in described light source bracket and the described cell-shell, therefore LED bulb temperature of the present utility model is lower, can not resemble traditional incandescent light bulb hot; LED bulb of the present utility model can substitute traditional incandescent light bulb fully, play energy-saving effect, the light efficiency height of LED, power is the brightness that the LED bulb of 6W just can reach the conventional incandescent bulb of 60W, and the LED life-span is long, the life-span of LED bulb of the present utility model can reach more than 20000 hours, and the conventional incandescent bulb has only 1000 hours; In sum, the utility model light transmittance can be good, illumination mode and volume, profile and ordinary incandescent lamp bulb are identical, and the utility model appearance looks elegant, simple in structure, energy-saving and environmental protection, good heat dissipation effect, can be luminous to all directions, illumination effect is good, fully the replace incandescent bulb;

Because led light source described in the utility model is positioned at the centre of luminescence of described cell-shell, its illumination mode is the same with common osram lamp, and all to belong to the center luminous, so illumination effect and ordinary incandescent lamp bulb basically identical, being beneficial to the existing incandescent light bulb of replacement is installed in the various light fixtures, so the utility model light transmittance can be good, illumination effect is consistent with incandescent light bulb;

Because the profile of base described in the utility model is bent taper or pyramid is cylindrical or prismatic, the described base of various moulding makes described light source bracket of the present utility model all similar with the tungsten filament support of conventional incandescent bulb, simultaneously as heat abstractor, outward appearance can not given the lofty sense of people, so the utility model is both artistic and practical.

Description of drawings

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

Fig. 2 is the cross-sectional view of the utility model embodiment one;

Fig. 3 is the blast structural representation of the utility model embodiment two;

Fig. 4 is the cross-sectional view of the utility model embodiment two;

Fig. 5 is the blast structural representation of the utility model embodiment three;

Fig. 6 is the cross-sectional view of the utility model embodiment three;

Fig. 7 is the side structure schematic diagram of the light source bracket of the utility model embodiment four;

Fig. 8 is the side structure schematic diagram of the light source bracket of the utility model embodiment five;

Fig. 9 is the blast structural representation of the cell-shell of the utility model embodiment six;

Figure 10 is the blast structural representation of the cell-shell of the utility model embodiment seven.

The specific embodiment

Embodiment one:

Embodiment two:

All the other features of present embodiment are with embodiment one.

Embodiment three:

All the other features of present embodiment are with embodiment one.

Embodiment four:

All the other features of present embodiment are with embodiment one.

Embodiment five:

All the other features of present embodiment are with embodiment one.

Embodiment six:

All the other features of present embodiment are with embodiment two.

Embodiment seven:

All the other features of present embodiment are with embodiment three.

The utility model can be widely used in the LED lighting field.