CN202371567U

CN202371567U - Light-emitting diode (LED) lamp and LED light source assembly

Info

Publication number: CN202371567U
Application number: CN2011204497759U
Authority: CN
Inventors: 田峰
Original assignee: NINGBO RUIKANG PHOTOELECTRIC CO Ltd; Shenzhen Refond Optoelectronics Co Ltd
Current assignee: NINGBO RUIKANG PHOTOELECTRIC CO Ltd; Shenzhen Refond Optoelectronics Co Ltd
Priority date: 2011-11-11
Filing date: 2011-11-11
Publication date: 2012-08-08
Anticipated expiration: 2021-11-11

Abstract

The utility model relates to the technical field of light-emitting diode (LED) illumination, in particular to an LED lamp, which comprises a casing, a light source module, a power supply and a light guide plate, wherein the light source module, the power supply and the light guide plate are arranged in the casing. The light guide plate is provided with a light-emitting surface and a side surface adjacent to the light-emitting surface, two sides of the light source module are clung to the side surface of the light guide plate and the wall of the casing respectively, and the light guide plate and the light source module are fixed through butting among the light guide plate, the light source module and the wall of the casing. The light source module is located on the side surface of the light guide plate, and light emitted by the light source module passes through the light guide plate and is emitted evenly from the light-emitting surface of the light guide plate, therefore light-emitting uniformity is improved. The light guide plate and the light source module butt against each other and contacted tightly, the distance between a light source and the light-emitting surface is short, high light extraction efficiency is guaranteed, structure is compact, and combination is firm. In addition, LED modules are combined together through fasteners, are convenient to install, and form an area light source or a line light source, and are suitable for various LED illuminators or devices.

Description

LED light fixture and led light source assembly

Technical field

The utility model relates to a kind of LED lighting device, is specifically related to a kind of LED light fixture and led light source assembly.

Background technology

The LED illumination market is burning hot gradually at present, but the elimination of the dazzle that directive property causes of the heat radiation of led light source and light source is the problem demanding prompt solution that makes the designer have a headache always, and good heat dissipation design and soft bright dipping are only the starting point of the universal product.

Market LED light fixture is under high energy efficiency requires at present; The efficient of optical system just must be high; Yet when making area source,, widen light source to the distance of exiting surface or the diffusivity of increase panel in order to reach satisfied light-emitting uniformity; Right above-mentioned 2 kinds of modes all need drag down light emission rate, run counter to the requirement of high energy efficiency; Other widens the distance of light source to exiting surface, can strengthen the light fixture size, reduces aesthetic feeling; And assembly unit flexibly adapts to various environments for use.

The utility model content

In view of this, LED light fixture and the led light source assembly that a kind of light emission rate is high, light-emitting uniformity is good is provided.

The utility model is achieved in that a kind of LED light fixture; It comprises shell, places light source module and power supply in the said shell; Also comprise the LGP that places in the said shell; Exiting surface of said LGP tool and with the side of said exiting surface adjacency, the both sides of said light source module are close to the side of said LGP and the shell wall of shell respectively, said LGP and light source module through and the shell shell wall between and each other against fixing.

Further, said shell comprises housing and faces the exiting surface part by the pressing plate of hollow out that said pressing plate is fixedly connected with housing in the position of the exiting surface of facing said LGP.

Further, folder is established a diffusion sheet between the exiting surface of said LGP and said pressing plate, and said pressing plate is connected and presses diffusion sheet on LGP through securing member and said housing.

Further, said housing is the thermal conductivity framework.

Further, said enclosure is separated into the optics cavity of ccontaining said LGP and light source module and the power storehouse of ccontaining said power supply through a dividing plate, said LGP place on the dividing plate and between itself and dividing plate folder establish a reflector plate.

Further, said light source module is positioned at least two sides of said LGP, and wherein two sides are the both sides on the said LGP length direction.

Further, said shell is provided with and is used to buckle into fastener or penetrates the draw-in groove of securing member with fixing said LED light fixture.

And, a kind of led light source assembly, it comprises fastener and a plurality of aforesaid LED light fixture, buckles into the draw-in groove interconnection through fastener between said a plurality of LED light fixtures.

Further, said fastener comprises the clamping part that is used to buckle into draw-in groove more than two, and said a plurality of LED light fixtures are through said fastener arranged in series, parallel connection or the interconnection of connection in series-parallel arrangement mode.

Further, said fastener also comprises the fixing hole that is used for through the fixing said led light source assembly of securing member.

Said LED light fixture and led light source assembly have LGP, and the light source module is positioned at the side of LGP, and like this, the light that the light source module sends evenly sends from the LGP exiting surface through behind the LGP, thereby improve light-emitting uniformity.And against, closely contact, light source is shorter to the distance of exiting surface, guarantees higher light emission rate each other for LGP and light source module, and compact conformation is in conjunction with firm.Further, through increasing diffusion sheet and reflector plate, further improve light extraction efficiency.In addition, the led light source assembly is combined the LED light fixture through fastener, can conveniently install, and constitutes area source or line source, is applicable to various LED lighting devices or equipment.

Description of drawings

The LED light fixture cutaway view that Fig. 1 provides for the utility model embodiment.

The vertical view of the LED light fixture that Fig. 2 provides for the utility model embodiment.

Fig. 3 is the fastener master TV structure sketch map in LED light fixture list when dress of Fig. 1.

Fig. 4 is the fastener side-looking structural representation in LED light fixture list when dress of Fig. 1.

Fig. 5 is a plurality of LED light fixtures side-looking structural representation fixedly time the respectively of Fig. 1.

Fig. 6 is the structural representation of first kind of embodiment of led light source assembly with LED light fixture of a plurality of Fig. 1.

Fig. 7 is the fastener structure for amplifying schematic side view of led light source assembly among Fig. 6.

Fig. 8 is the structural representation of second kind of embodiment of led light source assembly with LED light fixture of a plurality of Fig. 1.

Fig. 9 is the fastener front view that warp amplifies in the led light source assembly among Fig. 8.

Figure 10 is the fastener side view that warp amplifies in the led light source assembly among Fig. 8.

Figure 11 is the structural representation of the third embodiment of led light source assembly with LED light fixture of a plurality of Fig. 1.

Figure 12 is the structural representation of the 4th kind of embodiment of led light source assembly with LED light fixture of a plurality of Fig. 1

The specific embodiment

For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.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.

See also Fig. 1 and Fig. 2; Show the LED light fixture 10 that the utility model embodiment provides; Comprise shell 11, place light source module 12 and power supply 13 in the shell 11; Also comprise the LGP 14 that places in the shell 11; Exiting surface 141 of LGP 14 tools and with the side 142 of exiting surface 141 adjacency, the both sides of light source module 12 are close to the side 142 of LGP 14 and the shell wall 119 of shell 11 respectively, LGP 14 and light source module 12 through and the shell wall 119 of shell 11 between and each other against fixing.

Shell 11 comprises housing 112 and faces the exiting surface part by the pressing plate 114 of hollow out that pressing plate 114 is fixedly connected with housing 112 in exiting surface 141 positions in the face of LGP 14.As illustrated in fig. 1 and 2; Because hollow out in the middle of the pressing plate 114; Promptly over against the exiting surface 141 part hollow outs of LGP 14, the edge annular section keeps, and housing 112 extends internally near exiting surface 141 places; Pressing plate 114 is connected and presses diffusion sheet 18 on LGP 14 through securing member 116 and housing 112, and promptly pressing plate 114 plays similar pad effect.Particularly, securing member 116 can be double-screw bolt, screw etc., has screw on the housing 112, through tightening firmware 116, LGP 14 is tightly compressed to dividing plate 15.Housing 112 is preferably the thermal conductivity framework, adopts thermally conductive materials to process, for example the higher metal or alloy of thermal conductivity factor.Further, housing 112 outsides are equipped with heat abstractor (figure does not show), for example on the outer wall of housing 112, are formed with radiating fin.Shell 11 inside are separated into the optics cavity 110 of ccontaining LGP 14 and light source module 12 and the power storehouse 111 of ccontaining power supply 13 through a dividing plate 15; LGP 14 place on the dividing plate 15 and between itself and dividing plate 15 folder establish a reflector plate 17, dividing plate 15 is the structures with housing 112 one.The two sides of reflector plate 17 is close to LGP 14 and dividing plate 15 respectively; Because the light that light source module 12 sends mainly gets into LGP 14; Except most of light sends from exiting surface 141, sub-fraction meeting directive bottom surface (relative with exiting surface 141) is arranged in addition, therefore; Through reflector plate 17 this part light is reflected to exiting surface 141, to improve light extraction efficiency.

Further, folder is established a diffusion sheet 18 between the exiting surface 141 of LGP 14 and pressing plate 114, to improve light-emitting uniformity.

Further, light source module 12 is positioned at 14 at least two sides of LGP, and wherein two sides are the both sides on LGP 14 length directions.LGP 14 and shell 11 all are rectangle structures, can also be elongated shape, and for example length-width ratio is more than 2: 1.When adopting a light source module 12, then be positioned on LGP 14 length directions a side, when adopting two light source modules 12, two light source modules 12 lay respectively at the both sides on LGP 14 length directions.Can save material cost like this, because, when light source module 12 is arranged at the width both sides; Then need very long light source module 12, waste material is through both sides in the longitudinal direction; With short light source module 12, through LGP 14 leaded light effects, with light equably in exiting surface 141 outgoing.Length two end portions corresponding to the shell 11 of light source module 12 is an end casing 113, and end casing 113 adopts thermally conductive materials, like metal.Power supply 16 the lead 117 of drawing pass by end casing 113.

Further, shell 11 is provided with and is used to buckle into the draw-in groove 118 of fastener with fixed L ED light fixture 10.Draw-in groove 118 is inner recessed to shell 11, and draw-in groove 118 can be opened on the wall of power storehouse 111.The notch of draw-in groove 118 like this through fastener, for example, adopts single dress fastener 19 shown in Figure 3 that LED light fixture 10 is fixing less than space in the groove, for example is fixed on roof, wall or the bracing frame.Shown in Fig. 3 and 4; Fastener 19 comprises a matrix 190 and the flange 191 that is extended by matrix 190 edges; The end of each flange 191 further has a button portion 192 that inwardly protrudes out, and the shape of button portion 192 is roughly triangle, and the matrix 190 of fastener 19 is provided with fixing hole; Present embodiment is a hanging hole 193, and hanging hole 193 can be through hole or screw.Button portion 192 correspondences through with the edge buckle into draw-in groove 118, fastener 19 and shell 11 are fixed together, then; Through securing member that the matrix 190 of fastener 19 is fixing, thus LED light fixture 10 fixed, and through the side installation form; See the buckle situation during convenient the installation, be convenient to operation.

Shown in Fig. 1 and 5, the interior space of the groove of draw-in groove 118 is roughly poroid, for example is circular hole, therefore, can adopt a securing member 194 to penetrate draw-in groove 118, and is directly that LED light fixture 10 is fixing.Fig. 5 shows that two above-mentioned LED light fixtures 10 are fixing respectively through securing member 194, illustrate two LED light fixtures 10 side by side independent installation be fixed on the bracing frame 101, practical application can be more than two.

Fig. 6 shows first kind of embodiment with led light source assembly 100, and it comprises fastener 20 and a plurality of as above LED light fixture 10, buckles into draw-in groove 118 interconnection through fastener 20 between a plurality of LED light fixtures 10.

Fig. 6 show through fastener 20 with two LED light fixtures 10 side by side be linked together, be referred to as the parallel connection form, constitute line source.As shown in Figure 7, show the side view of fastener 20, and what show among Fig. 6 is the profile of the main apparent direction of fastener 20.Fastener 20 comprises fastener body 21 and two insertion sections 22 that vertically protruded out by main body 21 1 ends, and is as shown in Figure 5, and the end diameter of insertion section 22 is greater than bar portion, thereby 22 blocks when being inserted in draw-in groove 118 and can not emerge in draw-in groove 118 in the insertion section.Fastener body 21 offers hanging hole 23 in the end away from insertion section 22, and hanging hole 23 can be through hole or screw, thereby is convenient to fix.

See also Fig. 8, show the led light source assembly 200 of another kind of embodiment, be the structure of fastener 30 with led light source assembly 100 differences with a plurality of above-mentioned LED light fixtures 10.Shown in Fig. 9 and 10; The fastener 30 of led light source assembly 200 comprises fastener body 31 and by extended insertion section 32, the end of main body 31, totally four of insertion sections 32, and uprightly extend main body 31 first type surface both sides respectively; Thereby; Through four LED light fixtures 10 of fastener 30 serial connections, form the coupled in series mode, constitute line source.Main body 31 offers hanging hole 33 too, and hanging hole 33 can be through hole or screw, thereby is convenient to fix.

See also Figure 11; The led light source assembly 300 that shows the third embodiment with a plurality of above-mentioned LED light fixtures 10; Be that with led light source assembly 100 and 200 differences the fastener of led light source assembly 300 comprises

fastener

20 and 30 two kinds of fasteners (scheming not shown); Form the version of series connection and parallelly connected series-parallel connection like this, constitute area source.

See also Figure 12; The led light source assembly 400 that shows the 4th kind of embodiment with a plurality of above-mentioned LED light fixtures 10; Be that with led light source assembly 100,200,300 differences the fastener of led light source assembly 400 is bending structures, constitute vertical connection as shown in the figure, present " ten " shape version by at least four above-mentioned LED light fixtures 10 like this.

Above-mentioned LED light fixture 10 and led light source assembly 100,200,300,400 have LGP 14; Light source module 12 is positioned at the side of LGP 14, and like this, the light that light source module 12 sends is through behind the LGP 14; Evenly send from LGP 14 exiting surfaces 141, thereby improve light-emitting uniformity.And against, closely contact, light source is shorter to the distance of exiting surface 141, guarantees higher light emission rate each other for LGP 14 and light source module 12, and compact conformation is in conjunction with firm.Further, through increasing diffusion sheet 18 and reflector plate 16, further improve light extraction efficiency.In addition, led light source assembly 100,200,300,400 is combined LED light fixture 10 through fastener, can conveniently install, and constitutes area source or line source, is applicable to various LED lighting devices or equipment.

More than be merely the preferred embodiment of the utility model,, any modification of being done within all spirit at the utility model and the principle, be equal to and replace and improvement etc., all should be included within the protection domain of the utility model not in order to restriction the utility model.

Claims

1. LED light fixture; It comprises shell, places light source module and power supply in the said shell; It is characterized in that: also comprise the LGP that places in the said shell; Exiting surface of said LGP tool and with the side of said exiting surface adjacency, the both sides of said light source module are close to the side of said LGP and the shell wall of shell respectively, said LGP and light source module through and the shell shell wall between and each other against fixing.

2. LED light fixture as claimed in claim 1 is characterized in that: said shell comprises housing and faces the exiting surface part by the pressing plate of hollow out that said pressing plate is fixedly connected with housing in the position of the exiting surface of facing said LGP.

3. LED light fixture as claimed in claim 2 is characterized in that: folder is established a diffusion sheet between the exiting surface of said LGP and said pressing plate, and said pressing plate is connected and presses diffusion sheet on LGP through securing member and said housing.

4. LED light fixture as claimed in claim 2 is characterized in that: said housing is the thermal conductivity framework.

5. LED light fixture as claimed in claim 1; It is characterized in that: said enclosure is separated into the optics cavity of ccontaining said LGP and light source module and the power storehouse of ccontaining said power supply through a dividing plate, said LGP place on the dividing plate and between itself and dividing plate folder establish a reflector plate.

6. LED light fixture as claimed in claim 1 is characterized in that: said light source module is positioned at least two sides of said LGP, and wherein two sides are the both sides on the said LGP length direction.

7. like each described LED light fixture of claim 1-6, it is characterized in that: said shell is provided with and is used to buckle into fastener or penetrates the draw-in groove of securing member with fixing said LED light fixture.

8. a led light source assembly is characterized in that, comprises fastener and a plurality of LED light fixture as claimed in claim 7, buckles into the draw-in groove interconnection through fastener between said a plurality of LED light fixtures.

9. led light source assembly as claimed in claim 8 is characterized in that: said fastener comprises the clamping part that is used to buckle into draw-in groove more than two, and said a plurality of LED light fixtures are through said fastener arranged in series, parallel connection or the interconnection of connection in series-parallel arrangement mode.

10. led light source assembly as claimed in claim 8 is characterized in that: said fastener also comprises the fixing hole that is used for through the fixing said led light source assembly of securing member.