CN201344484Y

CN201344484Y - LED lamp

Info

Publication number: CN201344484Y
Application number: CNU2008202353402U
Authority: CN
Inventors: 林青锋; 沈培生
Original assignee: Lightel Technologies (shenzhen) Inc
Current assignee: Lightel Technologies (shenzhen) Inc
Priority date: 2008-12-19
Filing date: 2008-12-19
Publication date: 2009-11-11
Anticipated expiration: 2018-12-19

Abstract

The utility model discloses an LED lamp, which comprises a lamp adapter, a lamp holder, a lamp shade and a plurality of LED lamp beads which are arranged inside the lamp shade and are electrically connected with the lamp adapter, and also comprises a lamp bracket which is formed by at least one bracket and is used for installing the LED lamp beads, wherein the LED lamp beads are arranged on the lamp bracket to form a tri-dimensional structure. Compared with the prior art, for the LED lamp beads are arranged on the lamp bracket to form an outline of the tri-dimensional structure, so that the light which is emitted by the LED lamp beads can be uniformly projected and transmitted the lamp shade, thereby remarkably improving the uniformity and the isotropic directivity of the LED lamp.

Description

The LED light fixture

Technical field

The utility model relates to LED (Light Emitting Diode, be the light-emitting diodes method) technical field of lamps, more particularly, relate to a kind of rational in infrastructure, the uniform LED light fixture of distribution of light, the isotropic directivity of its light is identical with incandescent lamp and electricity-saving lamp with uniformity.

Background technology

Please refer to Fig. 1, in the prior art, the LED light fixture generally includes lamp holder 1 ', lamp socket 2 ', lampshade 3 ', be placed in the described lampshade 3 ' and the some LED lamp pearls 4 ' that are electrically connected with described lamp holder 1 ', in order to fix the base 5 ' of described LED lamp pearl 4 '.Compare with common incandescent lamp, electricity-saving lamp, the power consumption when the LED light fixture has environmental protection, equal illuminating effect is low, the advantage of long service life, we can say that the LED light fixture replaces incandescent lamp, electricity-saving lamp has been an inexorable trend.But in the prior art, base 5 ' is tabular, LED lamp pearl 4 ' is installed on the described base 5 ' with two dimensional form, because the light of LED lamp has directive property, and its luminous isotropic directivity also is lower than traditional incandescent lamp, and the light that the LED lamp is sent is roughly parallel to the direction of LED lamp pearl 4 '.This light other direction outside lamp pearl direction that just makes the LED light fixture be sent is even inadequately and luminous intensity is not enough, thereby has influenced the illumination and the decorative effect of LED light fixture.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of LED light fixture, and it is rational in infrastructure, and the isotropic directivity of light and uniformity are same as incandescent lamp and electricity-saving lamp.

The technical solution of the utility model is: a kind of LED light fixture is provided, comprise lamp holder, lamp socket, lampshade, be placed in the described lampshade and the some LED lamp pearls that are electrically connected with described lamp holder, described LED light fixture also comprises by at least one and being configured to and in order to the lamp bracket of described LED lamp pearl to be installed, described LED lamp pearl is arranged formed profile and has three-dimensional stereochemical structure on described lamp bracket.

Compared with prior art, because arranging the profile that forms on described lamp bracket, described LED lamp pearl has three-dimensional stereochemical structure, thereby the light that makes LED lamp pearl be sent can throw and penetrate described lampshade more equably, and showing lands has improved the uniformity and the isotropic directivity of LED light fixture light.

Description of drawings

Fig. 1 is the main TV structure decomposing schematic representation of LED light fixture in the prior art;

Fig. 2 is the main TV structure decomposing schematic representation of a preferred embodiment of the present invention;

Fig. 3 is a perspective view embodiment illustrated in fig. 2;

Fig. 4 is the main TV structure schematic diagram of medium-height trestle embodiment illustrated in fig. 2 when combining with the lamp pearl;

Fig. 5 is the structural representation of tower spring shape lamp bracket;

Fig. 6 serves as reasons and is the lamp bracket structural representation that the peltate structure stand is constituted;

The lamp bracket structural representation of Fig. 7 for being constituted by the fin-shaped support;

The lamp bracket structural representation of Fig. 8 for being constituted by the platy structure support.

The specific embodiment

In order to make the technical problems to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

Please refer to Fig. 2 and Fig. 3, be a preferred embodiment of the present utility model, this LED light fixture comprises lamp holder 1, lamp socket 2, lampshade 3, is placed in the described lampshade 3 and the some LED lamp pearls 4 that are electrically connected with described lamp holder 1, described LED light fixture also comprises by at least one support 51 and constituting and in order to the lamp bracket 5 of described LED lamp pearl 4 to be installed, described LED lamp pearl 4 is arranged formed profile and has the three-dimensional stereochemical structure and the profile similarity of described lampshade 3 on described lamp bracket 5.Like this, because arranging the profile that forms on described lamp bracket 5, described LED lamp pearl 4 has three-dimensional stereochemical structure, thereby the light that makes LED lamp pearl be sent can throw and penetrate described lampshade 3 more equably, and showing lands has improved the uniformity and the isotropic directivity of LED light fixture light.Below respectively above-mentioned each part is described in detail.

The mechanism of described lamp holder 1, lamp socket 2 and lamp holder of the prior art, lamp socket are roughly the same, do not give unnecessary details at this.

More even for the light that the LED light fixture is sent, the quantity of described support 51 is one or more, and distributes in described LED lamp interior equal angles.When the quantity of described support 51 is three, can press from both sides 120 degree angles between the support 51, when the quantity of support 51 is four, can press from both sides an angle of 90 degrees between the support 51, the rest may be inferred.Certainly, described support 51 also can not done equal angles in described LED lamp interior and distribute, and in principle, throws and penetrate described lampshade 3 equably as long as can reach the light that LED lamp pearl 4 is sent.

Simultaneously, please refer to Fig. 4, the distribution of described LED lamp pearl 4 on described support 51 can be adjusted according to the required light efficiency of light fixture.Be the uniformity and the isotropic directivity that reach required light efficiency, support 51 is curved with the part that lamp pearl 4 contacts.Support 51 can be made by the good material of heat conductivility.

In addition, for strengthening radiating effect.Described LED light fixture also comprises a heat dissipation base 6, and described lamp bracket 5 is fixedlyed connected with described heat dissipation base 6.Like this, the heat that described LED lamp pearl 4 is produced just can be derived by support 51, and distributes via described heat dissipation base 6.

Described lampshade 3 is a kind of for following shape: sphere, hemispherical, ball are cut shape, olive shape, square, cuboid, cylinder, polyhedron, truncated cone-shaped or irregularly shaped etc., correspondingly, the structure of lamp bracket 5 and moulding can be adjusted and design according to the profile of lampshade 3.

Please refer to Fig. 5 to 8, be the frame mode of several lamp pearls, support and lamp bracket, it can be in order to the uniformity that reaches output light fixture light efficiency and the purpose of isotropic directivity.Fig. 5 is a tower spring shape lamp bracket, but helical stent 51 be made into by a heat sink material, lamp pearl 4 can be exported needed light efficiency arranged distribution on support 51 according to light fixture.Figure 6 shows that a hemispherical dome structure lamp bracket 5 that is constituted by several supports 51 with peltate structure, its underpart can be connected with a circular heat dissipation base.51 on the support of each peltate structure can be designed to seam or seamless (Figure 6 shows that one has the lamp bracket of seam) structure.As required, LED lamp pearl 4 is evenly distributed (regular distribution and irregular distribution all can) on lamp bracket 5, simultaneously, the length direction of each LED lamp pearl 4 can be vertical in the tangential direction of this point with the peltate structure.Each support 51 of forming lamp bracket 5 shown in Figure 7 is fin-shaped, and the bottom of lamp bracket 5 can place on the heat dissipation base.For making things convenient for the angle adjustment of LED lamp pearl 4, it is curved that support 51 is used for installing one side of LED lamp pearl 4.Simultaneously, the length direction of each LED lamp pearl 4 can be vertical in the tangential direction of this point with fin-shaped support 51.

In addition, some is had the lampshade of cuboid or garden column structure, described lamp bracket 5 can be designed to platy structure (as shown in Figure 8), forms lamp bracket 5 by some rectangular tabular support 51 amalgamations together.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1, a kind of LED light fixture, comprise lamp holder, lamp socket, lampshade, be placed in the described lampshade and the some LED lamp pearls that are electrically connected with described lamp holder, it is characterized in that, described LED light fixture also comprises by at least one and being configured to and in order to the lamp bracket of described LED lamp pearl to be installed, described LED lamp pearl is arranged formed profile and has three-dimensional stereochemical structure on described lamp bracket.

2, LED light fixture as claimed in claim 1 is characterized in that, the quantity of described support is a plurality of, and does the equal angles distribution in described LED lamp interior.

3, LED light fixture as claimed in claim 1 is characterized in that, described LED lamp pearl evenly distributes on described support.

4, LED light fixture as claimed in claim 1 is characterized in that, described LED light fixture also comprises a heat dissipation base, and described lamp bracket is fixedlyed connected with described heat dissipation base.

5, LED light fixture as claimed in claim 1 is characterized in that, described lampshade is a kind of in the following shape: sphere, hemispherical, ball are cut shape, olive shape, square, cuboid, cylinder, polyhedron, truncated cone-shaped.

6, LED light fixture as claimed in claim 5 is characterized in that, described support is tower spring shape, fin-shaped, peltate or rectangle.