CN102374480A

CN102374480A - Lamp and lamp shade thereof

Info

Publication number: CN102374480A
Application number: CN2010102545368A
Authority: CN
Inventors: 吕英杰; 江国丰; 黄正杰; 罗国萌; 黄歆斐; 陈昱树
Original assignee: Foxsemicon Integrated Technology Shanghai Inc; Foxsemicon Integrated Technology Inc
Current assignee: Foxsemicon Integrated Technology Shanghai Inc; Foxsemicon Integrated Technology Inc
Priority date: 2010-08-16
Filing date: 2010-08-16
Publication date: 2012-03-14

Abstract

The invention discloses a lamp. The lamp comprises a lamp holder, a lamp shade and a light-emitting diode (LED) module, wherein the lamp holder is connected with the lamp shade to form an accommodating room together; the LED module is accommodated in the accommodating room; the lamp shade is provided with an incident surface and an emergent surface; and a plurality of convex lenses are formed on the lamp shade. Compared with the prior art, the lamp shade of the lamp is provided with the plurality of convex lenses which are separated from the LED module, and heat generated by the LED module can be directly radiated to outside air, so that the heat of a light source can be radiated. The invention also discloses the lamp shade.

Description

Light fixture and lampshade thereof

Technical field

The present invention relates to a kind of lighting device, particularly a kind of led lamp and lampshade thereof.

Background technology

Usually, each light source (for example light emitting diode) at light fixture upward is provided with lens with optically focused one-body moldedly.So, lens directly are arranged on the light emitting diode, are unfavorable for LED heat radiating, shorten the service life of light emitting diode.

Summary of the invention

In view of this, be necessary to provide a kind of light fixture and lampshade thereof that improves LED heat radiating efficient.

A kind of light fixture comprises lamp socket, lampshade and light emitting diode module, and lamp socket is connected with lampshade and forms a receiving space jointly, and light emitting diode module is contained in this receiving space, forms some convex lens on this lampshade.

A kind of lampshade has incidence surface and exiting surface, forms some convex lens on this lampshade.

Compared with prior art, the present invention is arranged on convex lens on the lampshade, and convex lens are separated with light emitting diode module, thereby the heat that light emitting diode module produced can directly be dispersed in the outside air, helps the light source distribute heat.

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 solid assembling sketch map of the light fixture of one embodiment of the invention.

Fig. 2 is the perspective exploded view of the light fixture among Fig. 1.

Fig. 3 is the cross-sectional schematic of the light fixture among Fig. 1.

Fig. 4 is the cross-sectional schematic of the light fixture of another embodiment of the present invention.

The main element symbol description

Lamp socket 11

Resettlement section 111

Insulation division 112

Electrical connector 114

Power supply module 12

Radiator 13

Substrate 132

Mounting groove 1321

Through hole 1322

Radiating fin 134

Hollow cylinder 136

Light emitting diode module 14

Lampshade 15,25

Fixed part 152

First location structure 1521

Abutting end 1523

Lug 1524

Be covered with portion 154

Second location structure 1541

Incidence surface

1542,2542

Exiting surface

1543,2543

Receiving space 16

Convex

lens

17,27

The specific embodiment

See also Fig. 1 to Fig. 3, a kind of light fixture that embodiment of the present invention provides comprises lamp socket 11, power supply module 12, radiator 13, light emitting diode module 14 and lampshade 15.

Lamp socket 11 comprises the resettlement section 111 that is positioned at lamp socket 11 bottoms and is positioned at the radiator 13 at lamp socket 11 tops.Resettlement section 111 comprises an insulation division 112 and an electrical connector 114.Said electrical connector 114 is sheathed on the lower end of insulation division 112, is used for being electrically connected to provide light fixture work required electric energy with external power source.Said insulation division 112 is fixedly connected with radiator 13.

Power supply module 12 is arranged in the radiator 13, and it is electrically connected with electrical connector 114 and light emitting diode module 14 on the resettlement section 111, for light emitting diode module 14 provides driving voltage.

Radiator 13 comprises a substrate 132, a plurality of radiating fin 134 and a hollow cylinder 136.Said substrate 132 comprises relative upper surface and lower surface, and upper surface is away from resettlement section 111.Substrate 132 adopts high heat conduction and electrically insulating material to process, like pottery etc.Preferably, said pottery is selected from aluminium oxide, aluminium nitride or the mixture of the two.The upper surface of substrate 132 is formed with a mounting groove 1321 around said light emitting diode module 14, and this mounting groove 1321 is used to install said lampshade 15.Also be formed with at least one through hole that runs through upper and lower surface 1322 on the said substrate 132, so that light emitting diode module 14 is electrically connected with power supply module 12.

Radiating fin 134 and hollow cylinder 136 are arranged on the lower surface of substrate 132.These a plurality of radiating fins 134 are provided with around hollow cylinder 136, and all link to each other with hollow cylinder 136 outer surfaces.Hollow cylinder 136 is fixedly connected with the upper end of the insulation division 112 of resettlement section 111 away from an end of substrate 132.Power supply module 12 can be contained in the hollow cylinder 136, thereby reduces the volume of whole light fixture.In this embodiment, said a plurality of radiating fins 134 and hollow cylinder 136 are one-body molded with substrate 132, and said a plurality of radiating fin 134, hollow cylinder 136 and substrate 132 adopt same material to process.

Lampshade 15 adopts transparent material to process, like glass, plastics etc.Lampshade 15 is positioned on the lamp socket 11 and is connected the common receiving space 16 that forms with lamp socket 11.Lampshade 15 comprises the fixed part 152 that is fixedly connected with radiator 13 and the portion that is covered with 154 that is connected with fixed part 152.Fixed part 152, be covered with portion 154 and process by the method for injection mo(u)lding is separate respectively.The bottom of fixed part 152 is provided with an abutting end 1523, and a plurality of lugs 1524 are extended in the level bending on the abutting end 1523.Abutting end 1523 is arranged in the mounting groove 1321 of radiator 13 with lug 1524, and fixed form can be card and establishes, screw lock etc.In the present embodiment, abutting end 1523 is circular, and lug 1524 is four, and is symmetricly set on the bottom of abutting end 1523.Be appreciated that ground, also can on abutting end 1523, offer recess and make it be discontinuous plates, also visual real needs of the quantity of lug 1524 and changing.On an end opposite of fixed part 152, be provided with one first location structure 1521 with abutting end 1523.First location structure 1521 in the present embodiment is in the form of a ring a convexity.

Be covered with portion 154 and roughly be the hemisphere shelly.The portion that is covered with 154 of lampshade 15 has incidence surface 1542 and the exiting surface 1543 that is oppositely arranged.Incidence surface 1542 is positioned at the inboard of the portion of being covered with 154 and towards radiator 13, incidence surface 1542 many places indents form some convex lens 17, and exiting surface 1543 is positioned at the outside of the portion of being covered with 154 and directly contacts with the external world, and exiting surface 1543 is smooth.Be covered with portion 154 and form one second location structure 1541 with corresponding first location structure 1521 in position that fixed part 152 engages.Second location structure 1541 is in the form of a ring a groove in the present embodiment.Thereby first,

second location structure

1521,1541 is engaged can be fixedly connected fixed part 152, be covered with portion 154.Certainly, first,

second location structure

1521,1541 also can only only play the effect of location, adopt then the ultrasonic fusion techniques with fixed part 152, be covered with portion 154 and link together.Through the fixed part 152 after the ultrasonic welding, be covered with the intensity that portion 154 can reach integrated lampshade 15.And lampshade 15 is divided into two, and adopt the method for injection mo(u)lding to process, compared to the lampshade of traditional blow molding, can improve the yield of lampshade 15, thereby save production cost.Because fixed part 152 can be adaptive with the difform portion 154 that is covered with,, finished product can increase more elasticity when assemble, can make the difform portion 154 that is covered with according to consumer demand, for example round table-like, American football shape etc., thereby the inventory risk of reduction lampshade 15.

Above-mentioned first,

second location structure

1521,1541 is not limited to ring-type, also can be other alternative form such as the block-shaped protrusion that is disconnected from each other, block groove.It is protruding that other first location structure 1521 also is not limited to, and can be other structures such as groove for example; Second location structure 1541 that cooperates equally, with it also can be that convexity waits other structures.

Light emitting diode module 14 is positioned on the radiator 13 and is contained in receiving space 16.Light emitting diode module 14 is towards the incidence surface 1542 of lampshade 15, and the light that light emitting diode module 14 is sent is injected lampshade 15 via the incidence surface 1542 of lampshade 15, and final exiting surface 1543 ejaculation lampshades 15 via lampshade 15.Convex lens 17 are made of one piece with lampshade 15; Convex lens 17 can be assembled the light of light emitting diode module 14 on the one hand; Convex lens 17 separate with light emitting diode module 14 on the other hand; With convex lens in the traditional light fixture light emitting diode module directly is covered with to make it to be isolated from the outside and compares, the heat that the light emitting diode module 14 among the present invention is produced can directly be dispersed in the outside air, helps light emitting diode module 14 distribute heats.

In this embodiment, light emitting diode module 14 has five light emitting diodes.The quantity that is appreciated that the light emitting diode in the light emitting diode module 14 is not limited to this embodiment.Furthermore, light emitting diode module 14 is installed on the upper surface of substrate 132, is formed with circuit on this upper surface and is electrically connected with light emitting diode module 14.Preferably, this circuit is formed on this upper surface through electric plating method.

Fig. 4 illustrates the light fixture of another preferred embodiments of the present invention.Be that with a last embodiment difference incidence surface 2542 of lampshade 25 is smooth, form some convex lens 27 on the exiting surface 2543.

Claims

1. a lampshade has incidence surface and exiting surface, it is characterized in that: form some convex lens on this lampshade.

2. lampshade as claimed in claim 1 is characterized in that: these some convex lens are formed at the incidence surface of this lampshade, and this exiting surface is smooth.

3. lampshade as claimed in claim 1 is characterized in that: these some convex lens are formed at the exiting surface of this lampshade, and this incidence surface is smooth.

4. lampshade as claimed in claim 1 is characterized in that: this lampshade comprises that a fixed part and is covered with portion, fixed part be covered with the separate formation of portion, the portion of being covered with is fixed on the fixed part, this incidence surface and this exiting surface are positioned at this and are covered with portion.

5. lampshade as claimed in claim 4 is characterized in that: this fixed part is processed with the method for injection mo(u)lding respectively with this portion of being covered with.

6. lampshade as claimed in claim 4 is characterized in that: this fixed part adopts the ultrasonic fusion techniques to be connected with the portion of being covered with.

7. lampshade as claimed in claim 4; It is characterized in that: form one first location structure on the said fixed part; Saidly be covered with formation one second location structure corresponding with first location structure in the portion, first, second location structure is used for positioning and fixing portion and is covered with portion.

8. lampshade as claimed in claim 7 is characterized in that: said first location structure, second location structure are respectively groove, protruding or protruding, groove.

9. light fixture; Comprise lamp socket, lampshade and light emitting diode module; Lamp socket is connected with lampshade and forms a receiving space jointly, and light emitting diode module is contained in this receiving space, it is characterized in that: said lampshade is any one lampshade in the claim 1-8 item.

10. light fixture as claimed in claim 9; It is characterized in that: this lamp socket comprises installation portion and radiator; Radiator is connected with installation portion, and lampshade is connected with radiator and forms this receiving space jointly, and light emitting diode module is positioned on the radiator; The light that light emitting diode module is sent is injected lampshade via the incidence surface of lampshade, and final exiting surface ejaculation lampshade via lampshade.