CN201206744Y

CN201206744Y - LED lamp

Info

Publication number: CN201206744Y
Application number: CNU2008200940163U
Authority: CN
Inventors: 张文祥; 余光; 赖振田
Original assignee: Fuzhun Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Fuzhun Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2008-05-23
Filing date: 2008-05-23
Publication date: 2009-03-11
Anticipated expiration: 2018-05-23

Abstract

An LED lamp comprises a lamp holder, a radiator arranged on the lamp holder, and an LED module stuck to the bottom part of the radiator, wherein the LED module is accommodated in the lamp holder; and a reflecting body is positioned in the lamp holder and faces the LED module, so as to reflect the light emitted by the LED module to the outside of the lamp holder. The reflecting body arranged in the lamp holder allows the planar LED module to create a three-dimensional light source effect, thereby enlarging the illumination area of the LED lamp and meeting users' requirements for multi-angle illumination.

Description

Led lamp

Technical field

The utility model relates to a kind of led lamp, particularly a kind of led lamp that is used for outdoor lighting.

Background technology

LED source is as a kind of emerging third generation light source, though can't replace traditional incandescent lamp on a large scale now, it has advantages such as long working life, energy-saving and environmental protection, and is generally had an optimistic view of by market.And the module of being made up of light emitting diode at present can produce light source high-power, high brightness, thus will be widely, revolutionaryly replace traditional conventional lighting sources such as incandescent lamp, and then become the main light source that meets the energy-conserving and environment-protective theme.

Yet along with the power of light emitting diode or its module, the increase of brightness, the heat of its generation is also increasing, if can not properly settle the heating problem of light emitting diode, the working life of led lamp will be had a strong impact on.Therefore one radiator all is installed on light emitting diode module usually it is dispelled the heat, this diode modules then is level and adheres on described radiator bottom and become planar light source.Because the direction of illumination of planar light source is single, make the irradiated area of light fixture limited, and the light source of a plurality of light angles can not be provided, all be difficult to make the user satisfied under a lot of situations.

The utility model content

In view of this, be necessary to provide a kind of three-dimensional light source that planar light source can be converted into to increase the led lamp of lighting area.

A kind of led lamp, comprise a lamp socket, place the radiator on the lamp socket and be attached at a light emitting diode module of radiator bottom, this light emitting diode module is contained in the lamp socket, and a reflector places in the lamp socket and towards light emitting diode module and reflexes to outside the lamp socket with the light that light emitting diode module is sent.

The reflector that is provided with in this light fixture, make the light emitting diode module of plane produce three-dimensional light source effect, under the prerequisite of the quantity that does not increase light emitting diode, increased the lighting area of led lamp, can also satisfy the illumination needs of the multiple angle of user simultaneously.

With reference to the accompanying drawings, the utility model will be further described in conjunction with specific embodiments.

Description of drawings

Fig. 1 is the three-dimensional combination figure of a preferred embodiment of the utility model led lamp.

Fig. 2 is the three-dimensional exploded view of led lamp among Fig. 1.

Fig. 3 be among Fig. 1 led lamp along the cut-away view of III-III line.

The specific embodiment

Please refer to Fig. 1-3, the utility model led lamp comprises a lamp socket 10, place a radiator 20 on this lamp socket 10, be sticked on radiator 20 lower surface light emitting diode module 30 and be contained in lampshade 40, reflector 50 and circuit board 60 in the lamp socket 10.The light that light emitting diode module 30 is sent can reflect lampshade 40 with it by reflector 50.

Lamp socket 10 comprises a base portion 12, a top frame 16 and four pillars 14 that connect base portion 12 and top frame 16.Base portion 12 is roughly rectangular, and its four sides extend upward has certain height, thereby forms four sidewalls (not indicating).The central authorities of base portion 12 are provided with a through hole 121 (see figure 3)s, and base portion 12 is respectively equipped with a fixing hole 122 in the centre position of its four sides.Four pillars 14 make progress and outward-dipping extension from four angles of base portion 12 respectively, and are connected respectively on four angles of top frame 16.The area of top frame 16 is greater than the area of base portion 12.Top frame 16 is provided with some first pilot holes 161.Base portion 12, pillar 14 and top frame 16 surround jointly an accommodation space (indicate) in order to ccontaining circuit board 60, reflector 50, lampshade 40 and light emitting diode module 30 in it.Surround a window 142 jointly between per two adjacent pillars 14 and corresponding part base portion 12 and the top frame 16, the light that light emitting diode module 30 is sent can appear outside the lamp socket 10 by these windows 142.The base portion 12 of lamp socket 10 extends to form a connecting portion 18 downwards in its substantial middle position, and this connecting portion 18 is used for this led lamp is fixedly connected on a lamp stand (figure does not show).

Radiator 20 places on the top frame 16 of lamp socket 10, and it comprises a substrate 21 and places some radiating fins 22 on substrate 21 upper surfaces.The height of radiating fin 22 that is positioned at substrate 21 central position is identical, and the radiating fin 22 of its both sides highly then reduces to become the halfpace shapes so that radiating fin 22 is whole gradually.Corresponding with first pilot hole 161 on the top frame 16, on each side of the substrate 12 of radiator 20, offer some second pilot holes 211 for fixture (figure does not show) thereby by radiator 20 is fixed on the top frame 16.

Light emitting diode module 30 comprises the substrate of a rectangle and is sticked be the light emitting diode 32 that matrix form is arranged on substrate.Light emitting diode module 30 is sticked on the lower surface of the substrate 21 of radiator 20.Also offering some screws on the light emitting diode module 30 passes further light emitting diode module 30 is fixed on the substrate 21 of radiator 20 for screw (figure does not show).

Circuit board 60 places on the base portion 12 of lamp socket 10.Circuit board 60 electrically connects to light emitting diode module 30 by electric wire (figure do not show) thereby with light emitting diode module 30 power supply and other control signals etc. is provided.The through hole 121 that electric wire on the circuit board 60 can pass on the base portion 12 is connected with external power source.

Reflector 50 places on the circuit board 60.In the present embodiment, reflector 50 is a hollow cone shape, and its top is towards light emitting diode module 30, and its bottom is towards circuit board 60.Extend four legs 51 from the inwall lower ends downward of reflector 50, these four legs 51 are inserted in the fixing hole 122 on the base portion 12 and by fixture (sign) reflector 50 are fixed on the base portion 12.Scribble one deck reflectorized material on the outer surface of reflector 50, thereby the light that light emitting diode module 30 is sent can be reflexed to outside the lamp socket 10 by the outer surface of reflector 50.Be appreciated that ground, reflector 50 can have different shapes in different embodiment.For example, reflector 50 can be a polyhedron shape, and its top is also towards light emitting diode module 30 equally, and the light that its each side can be sent light emitting diode module 30 reflexes to outside the lamp socket 10 with different angles.

Lampshade 40 is similar to lamp socket 10 contour structures, places each element in the lamp socket 10 such as reflector 50 etc. thereby just be contained in the lamp socket 10 in order to protection.Lampshade 40 has four sides, and two ends form opening up and down, and upper end open is big than lower ending opening.Each side of lampshade 40 is closed each window 142 of lamp socket 10, and the seamed edge of its two adjacent side then is resisted against on the pillar 14.The lower end abutment of lampshade 40 is on the base portion 12 of lamp socket 10, and the upper end of lampshade 40 then leans with the lower surface of the substrate 21 of radiator 20.For the upper and lower end that makes lampshade 40 combines with the substrate 21 of radiator 20 and the base portion 12 of lamp socket 10 better, form the storage tank 214,124 of the upper and lower end of a ccontaining lampshade 40 respectively in the relevant position of substrate 21 and base portion 12.In storage tank 124,214, also be respectively arranged with a waterproof gasket 70, thereby can prevent that when this led lamp uses out of doors rainwater etc. from entering in the lamp socket 10 from the two ends up and down of lampshade 40.Can protect the element in the lamp socket 10 to prevent to suffer damage so further, prolong the service life of led lamp.

Lampshade 40 can be made with transparent or semitransparent material, and as glass etc., thereby the light that comes from reflector 50 reflections can see through lampshade 40.When lampshade 40 is made by trnaslucent materials, outside led lamp, can not directly see light emitting diode module 30, it is more soft that the light that light emitting diode module 30 is sent can become, and avoids producing glare effect.

During the assembling of this led lamp, earlier circuit board 60 is placed on the base portion 12 of lamp socket 10, place reflector 50 on the circuit board 60 then and be fixed on the base portion 12 of lamp socket 10, lampshade 40 is placed in the lamp socket 10.At last, be installed in light emitting diode module 30 on the radiator 20 after, radiator 20 is installed on the top frame 16 of lamp socket 10 again.

Refer again to Fig. 3, during this led lamp work, produce light thereby light emitting diode module 30 provides power supply to connect by circuit board 60.Shown in the arrow among Fig. 3, a part of light can directly see through lampshade 40 downwards and shine outside the lamp socket 10.A part of in addition ray cast arrives outside the lamp socket 10 after reflector 50 reflections to reflector 50.Because the outer surface and light emitting diode module 30 relative tilts of reflector 50, the light of the different parts reflection under reflector 50 same vertical sections can project along different angles outside the lamp socket 10, the irradiating angle of the light that light emitting diode module 30 is sent under same vertical section increases, thereby obtains bigger irradiated area.Simultaneously because reflector 50 is the coniform of solid, the light of different parts under reflector 50 same horizontal cross-sections reflection can along reflector 50 axially to external radiation, also can obtain the light of multiple light angle in the horizontal direction, satisfy the lighting demand of the multiple angle of user.Though what therefore this led lamp adopted is the light emitting diode module 30 of plane, also still can obtain the three-dimensional light source than the large illuminating angle degree.Compare with traditional led lamp, under the prerequisite that adopts identical light emitting diode module, led lamp of the present utility model has bigger irradiated area.

Radiator 20 places on the light emitting diode module 30, can dispel the heat to light emitting diode module 30, be in the normal operating temperature range with assurance light emitting diode module 30, and radiator 20 be simple in structure, be easy to make, can effectively reduce the cost of led lamp.In addition, radiator 20 places the top of led lamp, also simultaneously can protect each element in the lamp socket 10, avoids foreign material such as rainwater to enter in the lamp socket 10.

Claims

1. led lamp, comprise a lamp socket, place the radiator on the lamp socket and be attached at a light emitting diode module of radiator bottom, it is characterized in that: this light emitting diode module is contained in the lamp socket, and a reflector places in the lamp socket and towards light emitting diode module and reflexes to outside the lamp socket with the light that light emitting diode module is sent.

2. led lamp as claimed in claim 1 is characterized in that: described reflector is conical, and the top of reflector is towards light emitting diode module.

3. led lamp as claimed in claim 1 is characterized in that: described reflector is polyhedron shape, and the top of reflector is towards light emitting diode module.

4. led lamp as claimed in claim 1, it is characterized in that: described lamp socket comprises a base portion, a top frame and connects some pillars of base portion and top frame, described radiator places on the frame of top, described reflector places on the base portion, and described per two adjacent pillars, top frame and base portion surround the window that passes through for light jointly.

5. led lamp as claimed in claim 4 is characterized in that: described base portion and top frame are all rectangular, and described pillar tilt to be extended upwardly and outwardly by base portion and forms.

6. led lamp as claimed in claim 4, it is characterized in that: also comprise a lampshade that is contained in the lamp socket, the bottom of this lampshade is resisted against on the base portion of lamp socket, and the top of this lampshade is resisted against the bottom of radiator, and each side of this lampshade is with each window sealing.

7. led lamp as claimed in claim 6 is characterized in that: described lampshade is made by transparent or semitransparent material.

8. led lamp as claimed in claim 6 is characterized in that: between the bottom of described lampshade and the base portion of lamp socket, be respectively equipped with a waterproof gasket between the bottom of the top of lampshade and radiator.

9. led lamp as claimed in claim 4 is characterized in that: the base portion of described lamp socket extends to form a connecting portion that is used for fixing led lamp downwards.

10. led lamp as claimed in claim 1 is characterized in that: also comprise a circuit board that places lamp socket internal reflection body below.