CN202195312U

CN202195312U - Energy-saving high-brightness light-emitting diode (LED) lamp

Info

Publication number: CN202195312U
Application number: CN2011202926139U
Authority: CN
Inventors: 葛伟新; 周文立; 吴龙平
Original assignee: CHENGZHOU FENGSHENG OPTOELECTRONICS Co Ltd
Current assignee: CHENGZHOU FENGSHENG OPTOELECTRONICS Co Ltd
Priority date: 2011-08-12
Filing date: 2011-08-12
Publication date: 2012-04-18
Anticipated expiration: 2021-08-12

Abstract

The utility model relates to an energy-saving high-brightness light-emitting diode (LED) lamp, which comprises a lamp box. At least one group of LED lamp strips and a substrate for installing the LED strips are arranged in the lamp box. A lens plate corresponding to each group of LED lamp strips is arranged above each group of LED lamp strips. The lens plate is a linear Fresnel flat prism, one face of the linear Fresnel flat prism is a smooth glaze, and the other face of the linear Fresnel flat prism is provided with Fresnel lines which enable small-area light emitted by the LED lamp strips to be evenly diffused outside. The light emitting surfaces of the LED lamp strips are accordant with the shape of a focal point of the lens plate. The energy-saving high-brightness LED lamp has simple structure, is high in brightness and soft in light by means of the LED lamp strips and the lens plate, and has long service life because the LED lamp strips have low energy consumption.

Description

Energy-saving high-brightness LED light fixture

Technical field

The utility model relates to the LED technical field of lamps, especially a kind of energy-saving high-brightness LED light fixture.

Background technology

The lighting apparatus of Office Area adopts Grille lamp; Grille lamp is installed or is embedded on the furred ceiling, adopts the big lamp groups of power consumption such as fluorescent lamp in the existing Grille lamp, and power consumption is big during use; Fluorescent lamp is not long service life; Brightness just reduces after using a period of time, and the manufacturing of fluorescent lamp uses heavy metals such as mercury, and discarded fluorescent tube can destroy environment.

Some advertising lamp boxs are established in the road both sides now, and are luminous so that attract pedestrian's attention for making evening, reach desirable advertising effect; Lamp box has transparent panel; Have a plurality of fluorescent lamps in the panel, this lamp box is limited by the life-span of fluorescent lamp service life, and fluorescent lamp need adopt 220V voltage; Cause construction inconvenience, and cause danger easily at sleety weather.

Existing LED flat lamp adopts the side entering type structural design, adopts LGP as transmitting medium, and the application of printed site is reflected as reflective spot; It is luminous to reach uniform face; Its material cost is high, relates to the optical design and the high-accuracy printing of complicated reflective spot simultaneously, causes with high costs; Production difficulty simultaneously is big, and the market acceptance level is poor.Also there is LED to adopt straight-down negative to arrange,, must adopts the LED multiple spot to be evenly arranged on the whole light-emitting area because LED directive property is strong; Increase diffuser plate at upper surface again; Thereby the requirement that the face that reaches is luminous, this structure LED quantity is many, and LED power can not be too high simultaneously; Cause the expense of LED big, circuit arrangement is complicated simultaneously.

Fresnel prism is a material with PMMA, adopts hot press forming technology machine-shaping, has the Fresnel lines, and different prism angle design can reach the effect of dispersing or focusing on.Wherein a kind of Fresnel optically focused prism is a circular slab; Donut with several arrangements, the prism that has different angles on each annulus has the effect of dispersing or converging light, the shortcoming of this type prism be take up room bigger; The circular slab structure must cause has the partial invalidity zone between adjacent two plates; And manufacturing process is complicated, can only carry out compression molding by monolithic, and production efficiency is low.Also having arch or pot shape, is to take up room greatly manufacturing process's complicated problems equally.

The utility model content

The technical problem that the utility model will solve is: overcome the deficiency in the prior art, a kind of energy-saving high-brightness LED light fixture is provided, adopt LED lamp bar; It is complicated to solve existing side light inlet light fixture optical design; The difficult problem that technical difficulty is big and material cost is high, the LED quantity that can solve the existence of straight-down negative LED light fixture simultaneously again is many, and circuit structure is complicated; Technical problems such as the LED light efficiency is poor, and service life is short.

The utility model solves the technical scheme that its technical problem adopted: a kind of energy-saving high-brightness LED light fixture; Comprise lamp box; Have at least one group of LED lamp bar and the substrate that LED lamp bar is installed in the lamp box, each group LED lamp bar top is equipped with the lens sheet material of a correspondence, and described lens sheet material is the dull and stereotyped prism of linear Fresnel; The dull and stereotyped prism of described linear Fresnel simultaneously is smooth light face; Another side has the Fresnel lines, and the small size rays pass through lens sheet material that the Fresnel lines of lens sheet material sends LED lamp bar evenly exhales, and described LED lamp bar light-emitting area is consistent with the shape of the focus of lens sheet material.

For making full use of light, also be provided with the reflecting piece that the light that LED lamp bar is sent reflexes to lens sheet material on the described substrate.

For making light fixture be easy to make, described lens sheet material adopts the continuous rolling moulding, and the outer surface of the dull and stereotyped prism of described linear Fresnel is the light face; Has the Fresnel lines on the inner surface; Described light face is provided with diffuser plate outward, and diffuser plate can make the more even of light diffusion, good visual effect.

The beneficial effect of the utility model is, the energy-saving high-brightness LED light fixture of the utility model is simple in structure, adopts LED lamp bar and the brightness of lens sheet material higher, and light is softer, and LED lamp bar energy consumption is low, long service life.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further specified.

Fig. 1 is the structural representation of the energy-saving high-brightness LED light fixture of the utility model;

Fig. 2 is the three-dimensional structure sketch map of the energy-saving high-brightness LED light fixture of the utility model.

Among the figure: 1.LED lamp bar, 2. substrate, 3. lens sheet material, 4. reflecting piece, 5. diffuser plate.

The specific embodiment

Combine accompanying drawing that the utility model is done further detailed explanation now.These accompanying drawings are the sketch map of simplification, the basic structure of the utility model only is described in a schematic way, so it only show the formation relevant with the utility model.

Shown in Figure 2 like Fig. 1: the most preferred embodiment of a kind of energy-saving high-brightness LED light fixture of the utility model; Comprise lamp box; Have at least one group of LED lamp bar 1 and the substrate 2 that LED lamp bar 1 is installed in the lamp box, each group LED lamp bar 1 top is equipped with the lens sheet material 3 of a correspondence, and lens sheet material 3 is the dull and stereotyped prism of linear Fresnel; The dull and stereotyped prism of described linear Fresnel simultaneously is smooth light face; Another side has the Fresnel lines, and the small size rays pass through lens sheet material 3 that the Fresnel lines of lens sheet material 3 sends LED lamp bar 1 evenly exhales, and LED lamp bar 1 light-emitting area is consistent with the shape of the focus of lens sheet material 3.The light that LED lamp bar 1 sends is through lens sheet material 3 outwards emission uniformly, and light is evenly soft.

Also be provided with the reflecting piece 4 that the light that LED lamp bar 1 is sent reflexes to lens sheet material 3 on the substrate 2.The light that reflector 4 sends LED lamp bar 1 all reflexes to lens sheet material 3, concentrates to greatest extent and uses luminous energy, improves brightness.

For making lens sheet material 3 be convenient to make, lens sheet material 3 adopts the continuous rolling moulding, and the outer surface of the dull and stereotyped prism of linear Fresnel is the light face; Has the Fresnel lines on the inner surface; The light face is provided with diffuser plate 5 outward, and diffuser plate 5 is a Merlon, lens sheet material 3 and diffuser plate 5 coextrusion molds; Diffuser plate 5 makes whole plate face form a homogeneous light emitting area and does not form the dark space, reaches the glittering and translucent effect of entire body.

1 brightness of LED lamp bar is high, and energy consumption is low, is the energy-conserving product that extensively adopts at present; Operating voltage is low, can adopt battery or solar cell as working power, but directly uses LED lamp bar 1 to dislike brightness too high again; And can damage user's eyesight, adopt lens sheet material 3 back light more evenly soft, and make the light of small size diverge to large-area light; Lighting effect is better, behind the adding diffuser plate 5, though light transmittance descends; But the light fixture outward appearance is creamy white when not turning on light, appearance looks elegant, and the time diffusion effect of turning on light is better.

Claims

1. energy-saving high-brightness LED light fixture; It is characterized in that: comprise lamp box; The substrate (2) that has at least one group of LED lamp bar (1) and installation LED lamp bar (1) in the lamp box, each group LED lamp bar (1) top is equipped with the lens sheet material (3) of a correspondence, and described lens sheet material (3) is the dull and stereotyped prism of linear Fresnel; The dull and stereotyped prism of described linear Fresnel simultaneously is smooth light face; Another side has the Fresnel lines, and the small size rays pass through lens sheet material (3) that the Fresnel lines of lens sheet material (3) sends LED lamp bar (1) evenly exhales, and described LED lamp bar (1) light-emitting area is consistent with the shape of the focus of lens sheet material (3).

2. energy-saving high-brightness LED light fixture as claimed in claim 1 is characterized in that: also be provided with the reflecting piece (4) that the light that LED lamp bar (1) is sent reflexes to lens sheet material (3) on the described substrate (2).

3. energy-saving high-brightness LED light fixture as claimed in claim 1; It is characterized in that: described lens sheet material (3) adopts the continuous rolling moulding; The outer surface of the dull and stereotyped prism of described linear Fresnel is the light face, has the Fresnel lines on the inner surface, and described light face is provided with diffuser plate (5) outward.