CN203743941U - LED panel lamp - Google Patents

Abstract

An LED panel lamp comprises LED light sources, a circuit board, an outer cover, a light guide plate, a heat dissipation bottom plate and a power converter and is characterized in that the multiple sets of LED light sources are installed on the circuit board, the circuit board is tightly attached to an aluminum substrate, then, the aluminum substrate is installed on the heat dissipation bottom plate good in heat dissipation effect, the light guide plate is installed above the circuit board, the outer layer of the light guide plate is covered with a light transmitting plate, alternating current is connected to the input end of the power converter, and direct current ranging from 12 V to 36 V is connected to the output end of the power converter and then connected to the circuit board to be provided for the LED light sources. The LED panel lamp is high in luminous efficacy, good in heat dissipation, high in energy-saving efficiency, and long in service life, retardant in flame and safe in use because a lampshade does not need glass.

Description

LED panel light

Technical field

The utility model relates to illuminating lamp technical field, particularly a kind of LED panel light.

Background technology

LED panel light be use semiconductor devices light emitting diode luminous lighting lamp (Light Emitting Diode) it be a kind of indoor illumination light fitting of top grade, whole Design of Luminaires is attractive in appearance succinct, atmosphere is luxurious, existing good illuminating effect, can bring beautiful impression to people again, the design of LED panel light is unique, light forms a kind of uniform flat luminous effect after the LGP of high transmission rate, illuminance uniformity is good, light is soft, comfortable and not blind bright, not Diazolidinyl Urea and eyes, can not produce visual fatigue yet, so development in recent years is very fast, become the first-selection of office and lighting of home lamp.

Current being seen LED panel light is made up of framework, low-tension supply converter, LED light source, LGP, light penetrating panel and base plate, described LED light source is arranged on the aluminium base that is carved with circuit board, LED light source top is provided with LGP, aluminium base and LGP are fixed in framework, aluminium base bottom is base plate, LGP top is coated with light penetrating panel, after LED light source is connected low-tension supply converter, the light sending is sent soft light and is sent illumination light by light penetrating panel by LGP.

From above-mentioned, the vitals of LED panel light is LED light source and LGP, the LGP that the LED light source choosing and design performance are good is the quality assurance of LED panel light, but, due to being seen LED spot light quality difference on the market, cause illumination effect to differ larger, what have there will be dazzle, the phenomenon of ghost image, the lampshade that is mainly LED spot light is plane, optically focused is bad, and the light guide effect of LGP is the material of LGP and the net-pont design of plate, if net-pont design is bad, the overall light efficiency of seeing is just very poor, in the middle of generally there will be, bright both sides are dark, or occur there is light band into Guang Chu, or visible local dark space, again or occur that different angles brightness is inconsistent.

Relevant LED panel light, also discloses some articles and patent, and we,, through retrieval, find following patent documentation:

1, Chinese patent, application number: CN201010204443.4, open (bulletin) number: CN101858524A application (patent right) people: Li Zhongxun; Summary: LED panel light, belongs to the light fixture of making light source with LED.It comprises backboard, panel and frame, and its key technology is, at the edge of backboard, LED unit is installed, and between backboard and panel, optical light guiding plate is installed, and LED unit is formed in parallel by LED lamp.Light fixture light homogeneous of the present invention is soft, and colourity is consistent, meets the demand that human visual color quality is high.Fundamentally stop to affect because of the inefficacy of single lamp the use of whole module or whole light fixture.

2, Chinese patent, application number: CN201310098970.5 open (bulletin) day: 2013.07.24 open (bulletin) number: CN103216751A applies for (patent right) people: Zhejiang Emitting Optoelectronics Technology Co., Ltd., summary: a kind of LED panel light, comprises lamp door, substrate, multiple blue-ray LED, LGP, diffuser plate and the film doped with fluorescent material.LGP and diffuser plate are embedded in lamp door.Substrate is arranged at the medial surface of the lamp door relative with LGP side, and the side that substrate is relative with LGP side offers multiple glasss of grooves side by side, and each glass of groove installed a blue-ray LED.Multiple blue-ray LEDs are connected in series or are connected in parallel.Film is attached at the side of the LGP relative with multiple blue-ray LEDs, and LGP has reflective membrane, and reflective membrane is attached at a surface of LGP, and diffuser plate is arranged at a surface of the LGP opposing with reflective membrane.Above-mentioned LED panel light, emergent light is more even, can not produce dazzle, and less on the impact of overall lamp light effect after single lamp damages, illuminating effect is better.Blue-ray LED is arranged side by side, and distribution density is lower, and radiating effect is better, and blue-ray LED is directly installed in glass groove, produces simply, has reduced production cost.

3, Chinese patent, LED panel light, application number: CN201320325674.X open (bulletin) number: CN203384765U applies for (patent right) people: Cai Juan; Summary: a kind of LED panel light, this shell comprises LED lamp pearl, base plate, leaded light mirror, lens and radiator, and base plate is fixedly connected with radiator, and radiator, base plate and lens enclose a rectangular cavities, and leaded light mirror is placed in this rectangular cavities; Described LED lamp pearl be fixed on radiator and exiting surface towards described leaded light mirror.The LED panel light providing, simple in structure, easily installation, easy-maintaining and quick detachable, heat radiation is good, use collector lens simultaneously, improved the light-gathering of LED illuminator, made the temperature long-term control of LED chip in normal range (NR), while turning on LED lamp, without bad dazzle, without stroboscopic, eliminate dazzling that bad dazzle causes, visual fatigue and sight line are disturbed, and improve the service life of LED lamp.

4, Chinese patent, LED panel light, application number: CN201320401204.7 open (bulletin) number: CN203375210U applies for (patent right) people: the energy-conservation Science and Technology Ltd. in peak, Anhui, summary: a kind of LED panel light, include housing, the medial surface of housing is provided with annular slot and is installed with wiring board, on wiring board, be integrated with LED lamp pearl group, the back side of housing is installed with back shroud, the inner side of the inherent back shroud of housing is installed with LGP and diffuser plate successively, and the back side of LGP has reflective membrane.The utility model is rational in infrastructure, thin thickness, and volume is light, good heat dissipation effect, LED lamp pearl is lateral emitting, and the optic angle degree sending is wider, and light is more even, soft.

But also there is the weak point of the following aspects in current LED panel light: 1, LED lamp pearl luminescent properties is bad, and spotlight effect is poor, has astigmatic phenomenon; 2, LGP optical property is bad, unreasonable structure; 3, radiator structure imperfection, causes LED energy-saving lamp because heating does not with great difficulty damage, and has shortened the life-span; 4, overall structure is not compact, causes lamp socket thicker, is arranged on the ceiling of insufficient height irregular.And current LED panel light does not have flame retardant effect, easy breaking out of fire when excess Temperature.

Summary of the invention

The purpose of this utility model is that the glazed area existing for current LED panel light fixture is little, the deficiencies such as radiator structure imperfection, provide that a kind of light efficiency is large, good heat dissipation, energy-saving efficiency are high, lampshade is long, fire-retardant without glass, physical life, use safe LED panel light.

The technical solution of the utility model is:

LED panel light described in the utility model, comprises LED light source, circuit board, outer cover, LGP, radiating bottom plate and power supply changeover device, described LED light source is some groups, is arranged on circuit board, and circuit board is close to aluminium base, aluminium base refills on the good radiating bottom plate of radiating effect, circuit board top is provided with LGP, and LGP skin is coated with light-passing board, described power supply changeover device input termination alternating current, output is the direct current of 12-36V, receives circuit board and offers LED light source.

Described LED light source is made up of translucent cover and the LED illuminator of lens-shaped, and the translucent cover of lens-shaped is organic silicon high-temperature heat-conducting glue, can improve illumination effect, increases brightness.

Described LED light source is some groups, every group 3-10 one group, is arranged on circuit board.

Described radiating bottom plate is the plastic plate that is filled with alundum (Al2O3), and alundum (Al2O3) has high-termal conductivity, improves radiating effect.Also can use the plastics of other kind.

The installation method of LED panel light described in the utility model is, first makes LED light source, and LED illuminator is contained in the translucent cover by lens-shaped, then adopts chip mounter, 4-10 one group, is arranged on circuit board; Circuit board is close to aluminium base, and aluminium base refills on the good radiating bottom plate of radiating effect, and circuit board top is provided with LGP, and LGP skin is coated with light-passing board, then power supply changeover device is installed, and can use.

LED panel light described in the utility model is compared with existing product, and its substantive distinguishing features and progress are:

1, adopt the translucent cover of lens-shaped and the LED light source that LED illuminator forms, can improve illumination effect, increase brightness.

2, LGP is the lucite that is added with fire retardant, adopts microscopic carvings laser engraving machine, draws V-type groove on lucite surface, forms reflective spreading grooves, and the V-type groove of light source center is thinner, and the V-type groove of light source periphery is closeer, makes whole fields of LGP luminous evenly.

3, radiating bottom plate is the plastic plate that is filled with alundum (Al2O3), and alundum (Al2O3) has high-termal conductivity, has improved radiating effect.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model LED panel light.

Fig. 2 is the structure chart of the utility model LED panel light LED light source.

Parts corresponding to sequence number in figure: 1, outer cover, 2, light-passing board, 3, LGP, 4, LED light source, 5, power supply changeover device, 6, circuit board, 7, aluminium base, 8, radiating bottom plate, 11-illuminator, 12-translucent cover.

As shown in the figure,

LED panel light described in the utility model, comprise LED light source 4, circuit board 6, outer cover 1, LGP 2, radiating bottom plate 8 and power supply changeover device, described LED light source is some groups, be arranged on circuit board, LED light source 4 is made up of the translucent cover 12 of LED illuminator 11 and lens-shaped, circuit board 6 is close to aluminium base 7, aluminium base 7 refills above the good radiating bottom plate 7 of radiating effect, circuit board 6 tops are provided with LGP 3, LGP 3 skins are coated with light-passing board 2, described power supply changeover device 5 is inputted termination alternating current, output is the direct current of 12-36V, receive circuit board 6 and offer LED light source 4.

Described LGP is the lucite that is added with fire retardant, adopts microscopic carvings laser engraving machine, draws V-type groove on lucite surface, forms reflective spreading grooves, and the V-type groove of light source center is thinner, and the V-type groove of light source periphery is closeer, makes whole fields of LGP luminous evenly.

Described light-passing board is to be added with the polyethylene of weight content 1-3% fluorescent material or the plastics of polyvinyl chloride, can increase the soft performance of light.

Described LED light source is made up of translucent cover and the LED illuminator of lens-shaped, and the translucent cover of lens-shaped is organic silicon high-temperature heat-conducting glue, can improve illumination effect, increases brightness, extends the life-span of LED illuminator.

Described LED light source adopts chip mounter, 4-10 one group, is arranged on circuit board.

Described radiating bottom plate is the plastic plate that is filled with alundum (Al2O3), and alundum (Al2O3) has high-termal conductivity, improves radiating effect.Also can use the plastics of other kind.

The technical data comparison of the panel light of producing on the utility model and existing market:

?	Power	LGP surface temperature in panel light	Brightness
				1, LED lamp of the present invention	20W	41℃	140 lu
2, the LED lamp of Guangdong factory	20 W	48℃	100lu

Claims (2)

1. a LED panel light, comprises LED light source, circuit board, outer cover, LGP, radiating bottom plate and power supply changeover device, it is characterized in that: described LED light source is some groups, be arranged on circuit board, circuit board is close to aluminium base, aluminium base refills on radiating bottom plate, circuit board top is provided with LGP, and LGP skin is coated with light-passing board, described power supply changeover device input termination alternating current, output is the direct current of 12-36V, receives circuit board and offers LED light source;

Described LGP adopts microscopic carvings laser engraving machine, draws V-type groove on lucite surface, forms reflective spreading grooves, and the V-type groove of light source center is thinner, and the V-type groove of light source periphery is closeer, makes whole fields of LGP luminous evenly;

Described LED light source is made up of translucent cover and the LED illuminator of lens-shaped;

Described LED light source is some groups, every group 3-10 one group, is arranged on circuit board.

2. LED panel light according to claim 1, is characterized in that: described radiating bottom plate is the plastic plate that is filled with alundum (Al2O3).