CN101498434B

CN101498434B - LED lamp

Info

Publication number: CN101498434B
Application number: CN200810066028XA
Authority: CN
Inventors: 刘友学; 何立; 李宗隆
Original assignee: Hong Jun Precision Industry Co ltd; Fuzhun Precision Industry Shenzhen Co Ltd
Current assignee: QUANYIDA TECHNOLOGY (FOSHAN) Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2008-02-01
Filing date: 2008-02-01
Publication date: 2012-07-04
Anticipated expiration: 2028-02-01
Also published as: CN101498434A

Abstract

An LED lamp comprises a shell and two lamp bodies installed on the shell. Each lamp body comprises a radiator and a plurality of LED model groups, wherein the shell includes a bottom surface, a top surface opposite to and parallel to the top surface and two opposite installation surfaces connecting the bottom surface and the top surface. The two lamp bodies are respectively installed on the two installation surfaces. Each radiator has a substrate which has a lower surface back on to the top surface of the shell. The lower surface of the substrate is attached to the LED model groups. The distance of one end of the lower surface of the substrate back on to the installation surface and the bottom surface of the shell is larger than that of one end of the lower surface of the substrate facing the installation surface and the bottom surface of the shell, and the distance of one end of the lower surface of the substrate back on to the installation surface is larger than that of one end of the lower surface of the substrate back on to the installation surface and the top surface of the shell.

Description

Led lamp

Technical field

The present invention relates to a kind of lighting device, be meant a kind of led lamp especially.

Background technology

Light emitting diode has many characteristics such as environmental protection, power saving, life-span length and is applied to various fields widely as a kind of light emitting source efficiently.

Traditional led lamp comprises a plate radiating body and some light emitting diode module that is installed on this radiator one side.When light emitting diode was lighted, the light emitting diode module that is installed in radiator one side played illuminating effect.Because light emitting diode only is installed on radiator one side, the light that it sent can only go out from this side direction external radiation of radiator, and irradiating angle is limited, illuminating effect is not good.

Summary of the invention

In view of this, be necessary the led lamp that provides a kind of range of exposures bigger.

A kind of led lamp; Comprise a housing and be installed in two lamp bodies on the housing; Said each lamp body comprises a radiator and some light emitting diode module, and wherein said housing comprises that a bottom surface, is with the relative and parallel end face in said bottom surface and connect two relative installed surfaces of said bottom surface and end face.Said two lamp bodies are installed on respectively on said two installed surfaces.Said each radiator has a substrate, and this substrate has the lower surface of the end face of said housing dorsad.The lower surface of this substrate said light emitting diode module that has been sticked; The lower surface of said substrate dorsad an end of installed surface to the distance of the bottom surface of said housing greater than the lower surface of said substrate distance towards an end of installed surface to the bottom surface of said housing, and the lower surface of said substrate dorsad installed surface an end to the distance of the bottom surface of said housing greater than the lower surface of said substrate dorsad an end of installed surface to the distance of the end face of said housing.

Compared with prior art; The radiator of led lamp of the present invention tilts to be installed on the relative two sides of housing; Each radiator is positioned at relative below away from housing one side near a side of housing, so the light of light emitting diode module emission can make the range of exposures of led lamp wider to the radiator ambient radiation.

With reference to the accompanying drawings, in conjunction with specific embodiment the present invention is done further description.

Description of drawings

Fig. 1 is the three-dimensional assembly diagram of led lamp of the present invention.

Fig. 2 is the part exploded view after the inversion of led lamp among Fig. 1.

Fig. 3 is the three-dimensional exploded view of led lamp one lamp body among Fig. 2.

Fig. 4 is the inversion figure of Fig. 3.

The specific embodiment

As shown in Figure 1, led lamp of the present invention comprise the housing 10 that is provided with drive circuit die set (figure do not show) in one and be locked in these housing 10 relative both sides respectively and with two lamp bodies 20 of these housing 10 electric connections.

Please consult Fig. 2 simultaneously, this housing 10 is the truncated rectangular pyramids structure, have opposed bottom surface 12 with end face 14, around being around in front and back two side faces (figure is mark) and about two installed surfaces 16.The bottom surface 12 of this housing 10 and end face 14 are trapezoidal, and bottom surface 12 is parallel to end face 14.The area of bottom surface 12 is big than end face 14.The leading flank of this housing 10 is little than trailing flank, and its trailing flank middle part is equiped with a columniform lamp socket 11 and is used for being connected with lamp stand (figure does not show).The installed surface 16 connection bottom surfaces 12 of this housing 10 and the edge of end face 14, outward-dipping from end face 14 edges.The screw rod 161 that each installed surface 16 middle part is fixed with three interval settings is used for fixing two lamp bodies 20.Installed surface 16 161 adjacent of screw rods offer a long and narrow line hole 163, so that drive electric wire (figure does not show) entering lamp body 20 and driving lamp body 20 that circuit module is extended certainly.

Said each lamp body 20 comprise some light emitting diode module 21, supply light emitting diode module 21 to be sticked and to the radiator 23 of its heat radiation, plurality of fixed on radiator 23 and stride the reflection shield 25 and of being located at light emitting diode module 21 and cooperate formation one airtight chamber with radiator 23 so that light emitting diode module 21 and reflection shield 25 are enclosed the lampshade 27 in it.

Please consult Fig. 3 and Fig. 4 simultaneously, this radiator 23 is made into integration by heat conductivility good metal such as copper, aluminium etc.This first radiator 23 comprises a rectangle lengthwise substrate 231 and the some fin 233 that extend vertically upward from substrate 231 upper surfaces.These fin 233 uniformly-spaced are uniformly distributed on the substrate 110, and laterally offer some ventilation slots (figure mark) along substrate 231.This substrate 231 lower surfaces middle part is divided into three lengthwise bar-shaped zones in equal size, and each bar-shaped zone is configured to a plane 235 and is sticked on it for light emitting diode module 21.These planes 235 are provided with at an angle, and so, being attached at the light that the light emitting diode module 21 on these planes 235 sent can be better to housing 10 both sides radiation.Offering some installing holes (figure is mark not) around this substrate 231 is used for cooperating with lampshade 27.

Each light emitting diode module 21 comprises circuit board 213 and some light emitting diodes 211 that evenly is fixed in circuit board 213 1 sides of a lengthwise rectangle.The another side of these circuit boards 213 fits on the plane 235 of lower surface of substrate 231 of radiator 23.These light emitting diodes 211 are positioned at along on the same straight line of circuit board 213 length directions extension, thereby its heat is conducted on the radiator 23 equably.

Each reflection shield 25 corresponding light emitting diode module 21.This reflection shield 25 is processed by reflecting metal, comprises a rectangle framework 251 and connects the some reflective hole 253 of framework 251 walls.Each reflection shield 25 vertically is equiped with some double-screw bolts 255 along it.Plurality of fixed part (figure do not show) passes the circuit board 213 of these double-screw bolts 255 and light emitting diode module 21 and cooperates with the substrate 231 of radiator 23 and each reflection shield 25 is fixed on the radiator 23.Each reflective hole 253 corresponding light emitting diode 211 is used to reflect the light that light emitting diode 211 is sent.

Said lampshade 27 comprise one cooperate with radiator 23 rectangle framework 271, be embedded at a transparent rectangle light cover 272 of framework 271 and light cover 272 be fixed in the fixed mount 273 on the framework 271.

These framework 271 each tops, limit inwardly convex with some projections 2713.The installing hole of four jiaos of corresponding radiators 23 of each projection 2713 and framework 271 offers a screw 2715.Some screws (figure do not show) pass radiator 23 installing hole and these screws 2715 top and be fixed on the radiator 23 this framework 271 and light emitting diode module 21 and reflection shield 25 are located in framework 271 inside.One rectangular gasket 30 is located in the upper end of radiator 23 and framework 271 to increase the sealing of radiator 23 and framework 271.These framework 271 each bottoms, limit have extended internally four connecting walls (figure is mark not) in order to Connection Bracket 273.Each connecting wall further protrudes out a bearing wall 2717 inwardly, downwards in order to carry light cover 272.The sidepiece of this framework 271 has a composition surface (figure mark), and this middle part, composition surface offers three screws 2718 corresponding with the screw rod of housing 10 1 sides 161, offers hole, two wires 2719 between the screw 2718.Being fixed with a nut 2716 (see figure 2)s in each screw 2718 is used for cooperating with the screw rod 161 of housing 10.The electric wire that passes from the drive circuit die set of housing 10 is got in the lamp bodies 20 by the line hole 2719 of framework 271, and electrically connects with light emitting diode module 21.

This fixed mount 273 is the framework of a rectangle, has upwards protruded out some mounting blocks (figure is mark not) around it.Be positioned over the bearing wall 2717 of framework 271 when light cover 272 after, some screws (figure do not show) pass fixed mount 273 mounting blocks and framework 271 screw 2715 the bottom and with light cover 272 firm being installed on the framework 271.At this moment, a rectangular gasket 40 is located in the sealing of the lower end of fixed mount 273 and framework 271 with increase fixed mount 273 and framework 271.

Please consult Fig. 1 and Fig. 2 once more, a rectangle lamellar body 50 is located between the installed surface 16 of composition surface and housing 10 of lamp body 20.The screw 2718 of these lamellar body 50 corresponding lamp bodies 20 offers three through holes 51, and the line hole 2719 of corresponding lamp body 20 offers hole, two wires 53.The through hole 51 that screw rod 161 on the housing 10 passes two packing rings 55,57, lamellar body 50 respectively penetrates in the screw 2718 of framework 271 and cooperates and lamp body 20 is fixed in the installed surface 16 of housing 10 with nuts 2716 in the screw 2718.Because the installed surface 16 of housing 10 both sides is outward-dipping from housing 10 end faces 14; Two lamp bodies 20 are fixed on the installed surface 16 outward-dipping settings of installed surface 16 backs from housing 10; Each radiator 23 is positioned at relative below away from housing 10 1 sides near a side of housing 10, so that the light of lamp body 20 emissions increases whole led lamp range of exposures along different direction radiation.

Claims

1. led lamp; Comprise a housing and be installed in two lamp bodies on the housing; Said each lamp body comprises a radiator and some light emitting diode module; It is characterized in that: said housing comprises that a bottom surface, is with the relative and parallel end face in said bottom surface and connect two relative installed surfaces of said bottom surface and end face; Said two lamp bodies are installed on respectively on said two installed surfaces; Said each radiator has a substrate, and this substrate has the lower surface of the end face of said housing dorsad, the lower surface of this substrate said light emitting diode module that has been sticked; The lower surface of said substrate dorsad an end of installed surface to the distance of the bottom surface of said housing greater than the lower surface of said substrate distance towards an end of installed surface to the bottom surface of said housing, and the lower surface of said substrate dorsad installed surface an end to the distance of the bottom surface of said housing greater than the lower surface of said substrate dorsad an end of installed surface to the distance of the end face of said housing.

2. led lamp as claimed in claim 1 is characterized in that: said housing is a truncated rectangular pyramids structure, said bottom surface and end face opposing parallel, and its base area is big than end face, and said two installed surfaces connect the edge of bottom surface and end face respectively.

3. led lamp as claimed in claim 1 is characterized in that: the lower surface middle part of the substrate of said radiator is divided into some planes in equal size, and these interplanars form certain angle, and said light emitting diode module is attached on the said plane.

4. led lamp as claimed in claim 1 is characterized in that: the one drive circuit module is contained in the said housing and electrically connects with the light emitting diode module of lamp body.

5. led lamp as claimed in claim 1 is characterized in that: said each lamp body comprises that also one is fixed on the radiator and strides the reflection shield of establishing said light emitting diode module.

6. led lamp as claimed in claim 5 is characterized in that: said each lamp body comprises that also one cooperates with said radiator and to form an airtight chamber so that light emitting diode module and reflection shield are enclosed the lampshade in it.

7. led lamp as claimed in claim 6 is characterized in that: said lampshade comprises the framework that is fixed on the radiator, is embedded at a transparent light cover of framework and light cover is fixed in the fixed mount on the framework.

8. led lamp as claimed in claim 7 is characterized in that: be equiped with some screw rods on the installed surface of said housing respectively, these screw rods cooperate with the framework of two lamp bodies respectively and two lamp bodies are fixed in the relative both sides of housing.

9. led lamp as claimed in claim 8 is characterized in that: be respectively arranged with a packing ring between said framework and the radiator and between said framework and the fixed mount in order to increase the sealing of lamp body.