CN201081160Y

CN201081160Y - LED lighting bulb

Info

Publication number: CN201081160Y
Application number: CNU200720050381XU
Authority: CN
Inventors: 樊邦弘
Original assignee: Heshan Lide Electronic Enterprise Co Ltd
Current assignee: Heshan Lide Electronic Enterprise Co Ltd
Priority date: 2007-04-14
Filing date: 2007-04-14
Publication date: 2008-07-02
Anticipated expiration: 2017-04-14

Abstract

The utility model provides an LED illuminating light bulb which has the same shape as an incandescence light bulb and comprises an incandescence light bulb shaped shell and a power supply socket, a plurality of LEDs well distributed on a hollow ball shaped installation base, a connecting cord arranged in the inner cavity of the hollow ball shaped installation base. The shell is designed with double-layer and the inner side further allows the light to be distributed uniformly. The utility model has all the advantages of LED lamps corresponding to the present lamps and the shape is the same as incandescence light bulb, most importantly, the utility model has the advantages of uniform light distribution, high illumination and good optical line.

Description

A kind of LED lighting bulb

Technical field

The utility model relates to lighting field, refers in particular to a kind of LED lighting bulb.

Background technology

Since tungsten lamp bubble was by invention, the illuminations that people use all was the tungsten lamp bubble, power from last kilowatt to several watts tungsten filament, shape pyriform shell from big to small is always along with development of human society has been come into Construction Technologies in Twenty-one Century.In the evolution of illuminations, though various forms of light fixture all occurs in succession, for example fluorescent lamp, Halogen lamp LED, cold-cathode tube and discharge lamp or the like are up to the light-emitting diode (LED) lamp that paid close attention to by people at present.Though present light fixture is of all kinds, but people have a kind of emotion of finding it hard to part with for incandescent lamp bulb, the people at night have been brought into the bright world just because of incandescent lamp, so existing a lot of other light fixtures are still made the pear shape of similar tungsten lamp bubble, to adapt to the custom of ordinary consumer for the conventional incandescent bulb.

LED present stage as a kind of emerging high-tech light fixture, it compares other light fixtures, good stable performance, small and exquisite volume and the life-span of overlength are arranged, of paramount importancely be, its power consumption less, brightness height, environmental protection, response time be short, and the time heating of working unlike incandescent lamp is high, thus LED to be used for illumination be optimal selection, it is a kind of cold light source efficiently.Therefore present stage has a lot of manufacturers that LED is made the incandescent lamp shape that people are accustomed to, to capture more market.

The LED light fixture of existing incandescent lamp shape, mostly be a plurality of LED to be arranged on the platform constitute light source, replace tungsten filament luminous, but because led light source has very strong directionality, so the LED light fixture light effects of the incandescent lamp shape of making like this is strong unlike incandescent lamp bulb, because around the luminous directive of tungsten filament, each direction all has light, therefore light is very even, and LED can only be luminous towards a direction, so have only some direction brightness very high, other direction is but very dim, light is also inhomogeneous.In order to make light reach uniform radiation response, people improve above-mentioned LED light fixture, above LED, increase a LGP, the luminous directive LGP of LED, LGP can entire body have light after the LGP effect, replace tungsten filament luminous with LGP, so that the illuminating ray that shoots out reaches effect of uniform, but such scheme adopts indirect light source to throw light on, and well imagines that its brightness will have a greatly reduced quality, strengthen light if increase the number of LED, will increase cost.Therefore, it is unsatisfactory that the LED light fixture of existing incandescent lamp shape is used for illuminating effect, need a kind of can be luminous evenly and the also enough LED light fixtures of brightness, replace existing this type of lighting.

Summary of the invention

The utility model is just because the problem of above-mentioned existence, and a kind of LED lighting is provided, and it possesses all advantages that the existing relatively light fixture of LED light fixture is arranged, and shape is identical with incandescent lamp bulb, the more important thing is that it is luminous evenly, and the brightness height, light effects is good.

Satisfy people's needs to achieve these goals, the utility model adopts following scheme to solve the problem of present existence: a kind of LED lighting bulb, it is characterized in that: it comprises housing, mount pad, a plurality of LED and supply socket, housing one end is embedded in the supply socket, mount pad is positioned at the enclosure interior center, LED is located on the mount pad, mount pad is a spheroid, described spheroid mount pad comprises two hollow hemisphere, the surface of hemisphere has a plurality of shrinkage pools, described shrinkage pool is uniformly distributed in spheroid mount pad surface, LED is embedded in the shrinkage pool, perhaps described LED is attached at the outer surface of spheroid mount pad, described mount pad has a pillar, pillar is fixed in the supply socket, described pillar has inner chamber, be provided with in the inner chamber and connect LED and supply socket lead, be provided with change-over circuit in the described socket, this change-over circuit converts civilian civil power to low-voltage DC, also has a kind of method not need change-over circuit, be that described a plurality of LED series aiding connection constitutes several LED groups, two led array of a plurality of LED groups formation in parallel in the same way, these two led array are reverse parallel connection again, and described in addition housing has two-layer, be divided into inner housing and shell body, on inner housing, have diffusion layer.

Progressive meaning of the present utility model is conspicuous, the first, a plurality of LED are arranged on the spheroid mount pad, make the transmit direction homogenising of light, the light that the LED direct irradiation is all arranged on each direction, so two major issues of all even brightness of light are resolved; The second, housing is divided into two-layer, internal layer is provided with diffusion layer, further disperse light and make it become more even, the outer layer protection inner member preserves from, and particularly inner housing can not be scratched; The 3rd, components such as lead are located at housing and pillar inside, make outside it is not exposed to, can not influence the attractive in appearance of light fixture, make the light fixture one integrated mass; The 4th, can supply with low-voltage DC to LED by change-over circuit, the form that also a plurality of LED can be connected into the AC AC LED is directly used alternating current, and connected mode is various.

Description of drawings

Fig. 1 is the cut-away view of the utility model front view;

Fig. 2 is the schematic diagram that a plurality of LED connect into AC LED in the utility model.

The specific embodiment

With reference to Fig. 1, the utility model structurally mainly comprises housing 1, mount pad 2, supply socket 3 and LED23.One end of housing 1 is embedded in the supply socket 3, and mount pad 2 is positioned at housing 1 inside center place, and LED23 is located on the mount pad 2.

Housing 1 resembles a pear in shape, and is identical with ordinary incandescent lamp bubble shape, is embedded in the supply socket 3 its tail end sealing.Supply socket 3 is screw-type or bayonet type, can directly use on the interface of incandescent lamp bulb.LED23 can be common packaged LED, or is located at the great power LED on the substrate, and again or the LED of type such as SMD surface sticking type LED, LED23 is installed on the spheroid mount pad 2.The inside of spheroid mount pad 2 is hollow, and there are a lot of equally distributed shrinkage pools 22 on the surface, and LED23 can be embedded in the shrinkage pool 22, installs for convenience and line, and mount pad 2 can be made the whole spheroid that two hemisphere are merged into.Also have a pillar 21 on the mount pad 2, this pillar 21 is fixed in the supply socket 3, supports and location and installation seat 2, and while pillar 21 also is hollow, mount pad 2 and the pillar 21 inside power lead 4 of can arranging.

Because of the operating voltage of LED is a low-voltage DC,, civilian civil power is converted to low-voltage DC so in supply socket, also be provided with a change-over circuit.In addition, LED can also be connected into the form of AC LED, can save change-over circuit like this, as shown in Figure 2, be about to whole LED23 and be divided into several groups, every group all series aiding connection become LED group, and then in the same way and be unified into two led array with a plurality of LED groups, with two above-mentioned led array reverse parallel connections, directly link in the supply socket 3 more again.Design the number of LED according to line voltage, adapt to the requirement of LED voltage.

In order further to improve light effects, the utility model is designed to inside and outside two-layer shell body 11 and inner housing 12 with housing 1.On inner housing 12, also be provided with diffusion layer, the light of launching is more dispersed, reach effect of uniform more.Diffusion layer can be a lot of equally distributed small pit that is provided with on inner housing 12, also can make inner housing with ground glass.Its inner member of 11 of shell bodies protection is not damaged, and especially protects diffusion layer on the inner housing not come to harm and influences light effects.In order to improve light effects once more, can also on shell body 11 or inner housing 12, fluorescent material be set in addition.

Claims

1. LED lighting bulb, it is characterized in that: it comprises housing, mount pad, a plurality of LED and supply socket, and housing one end is embedded in the supply socket, and mount pad is positioned at the enclosure interior center, and LED is located on the mount pad, and mount pad is a spheroid form.

2. LED lighting bulb according to claim 1 is characterized in that: described spheroid mount pad comprises two hollow hemisphere, and the surface of hemisphere has a plurality of shrinkage pools.

3. LED lighting bulb according to claim 2 is characterized in that: described shrinkage pool is uniformly distributed in spheroid mount pad surface, and LED is embedded in the shrinkage pool.

4. LED lighting bulb according to claim 1 is characterized in that: described LED is attached at the outer surface of spheroid mount pad.

5. LED lighting bulb according to claim 1 is characterized in that: described mount pad has a pillar, and pillar is fixed in the supply socket.

6. LED lighting bulb according to claim 1 is characterized in that: be provided with change-over circuit in the described socket, this change-over circuit converts civilian civil power to low-voltage DC.

7. LED lighting bulb according to claim 1 is characterized in that: described a plurality of LED series aiding connections constitute several LED groups, two led array of a plurality of LED groups formation in parallel in the same way, and these two led array are reverse parallel connection again.

8. LED lighting bulb according to claim 1 is characterized in that: described housing has two-layer, is divided into inner housing and shell body.

9. LED lighting bulb according to claim 8 is characterized in that: have diffusion layer on the described inner housing.