CN103398302A - Anti-dazzle LED illuminating lamp - Google Patents

Abstract

The invention provides an anti-dazzle LED illuminating lamp which solves the problems that in the prior art, an anti-dazzle light-transmitting screen is comparatively complex in structure, high in cost, low in light-transmitting efficiency and the like. The anti-dazzle LED illuminating lamp comprises an LED lamp umbrella formed by an umbrella film, a power source wire and a plurality of LED illuminating components and an anti-dazzle light-transmitting screen with a light-transmitting thin film. The anti-dazzle LED illuminating lamp is characterized in that the anti-dazzle light-transmitting screen is made of Fresnel lens array light-transmitting films, and the LED lamp umbrella is connected together with the anti-dazzle light-transmitting screen through an insulating supporting frame. The anti-dazzle LED illuminating lamp is reasonable in design, and the anti-dazzle light-transmitting screen is simple in structure, low in cost, and capable of meeting the anti-dazzle function, and meanwhile has the good light-transmitting performance.

Description

The glare prevention LED illuminating lamp

Technical field

The present invention relates to a kind of LED electric lighting, a kind of anti-dazzle light transmission screen that utilizes the Fresnel Lenses principle to manufacture the LED illuminating lamp particularly, weaken the glare effect of LED illuminating member light radiation in the LED structure of the lighting lamp.

Background technology

At present, LED illumination application has started extensively universal, especially the efficient energy-saving of LED illumination is admitted, the applicant once existed as illumination and decoration for the bulb of existing traditional LED illuminating member, be subjected to structural limitations, the decorating structure cost is high, combination is complicated, the defect of reduction illuminating effect, and designing a kind of patent announcement number is CN202229125U " LED lighting decoration controlled unit ".Be used for the LED lighting decoration controlled that combination has direct decoration functions, the main design main points of this LED lighting decoration controlled unit are several series connection are set on the supporter with decoration plug-in type LED devices, each LED device is parallel with resistance, the LED device is arranged on the supporter outer surface, then by several such LED lighting decoration controlled unit, forms the LED illuminating lamp.The LED device that it adopts all is arranged on the supporter outer surface, is combined into and has light source pattern attractive in appearance, still because of each LED device, becomes the spot light of dazzle radiation, therefore this decorating unit does not have the anti-dazzle function.Also having the patent publication No. is 102927467A " LED illuminating lamp ", the LED illuminating lamp that it mainly uses the paster LED element to manufacture to have direct decoration functions.This LED illuminating lamp comprises by LED illuminating member and the lamp body that forms with the lamp socket of power supply terminal, with a plurality of by being assembled with the paster LED element backlight, have and play a supportive role and the structural membrane of light transmission and the LED illuminating member that dust-proof back cover forms, peg graft and form umbrella shape lamp body (being called for short the lamp umbrella) by circumferential array, make LED illuminating member assembling compact, more have ornamental, illuminating effect is better.In the disclosed LED illuminating lamp of above-mentioned two patents, the LED illuminating member of installing on the lamp umbrella, the front, luminous site is all transparent, easily produces glare phenomenon.Dazzle is the dazzling effect that Luminance Distribution is inappropriate or the brightness variation produces too greatly that emits beam due to light source, when people directly observe the lamp umbrella radiating light source of LED illuminating lamp, the high brightness radiation of each LED illuminating member work, can produce dazzling hot spot, the retina neural of intense stimulus and harm people on people's retina.If the light transmission screen of anti-dazzle is not set in LED illuminating member front, the LED illuminating member can send dazzling dazzle when work, and is very large to the retina injury of direct-view light source human eye.Some light fixture, in order to prevent the dazzle radiation, generally arranges anti-dazzle light transmission screen (lampshade) in light fixture radiating light source front, and the light transmission screen with anti-dazzle function commonly used mainly contains two kinds at present; A kind of is the opaque anti-dazzle light transmission screen of white or surperficial frosting, when light transmission screen is passed in light radiation, produces astigmatic effect.This light transmission screen simple in structure, lightweight and cost is low, still, the shortcoming of this anti-dazzle light transmission screen is: have a certain proportion of light radiation to be absorbed and be converted into heat by light transmission screen (lampshade), so its lower anti-dazzle light transmission screen that is a kind of light transmission efficiency.Another kind of anti-dazzle light transmission screen is that to utilize the surface that glass or transparent dielectric material are made be the polyhedron of various three-dimensional shapes, produces the refraction effect of light, then these surfaces are become the anti-dazzle light transmission screen for the POLYHEDRAL COMBINATORICS of various shapes.Although the complicated structure of this anti-dazzle light transmission screen, the light fixture weight that is combined into is large, cost is high.But this anti-dazzle light transmission screen has good light transmission.

Summary of the invention

The purpose of this invention is to provide a kind of glare prevention LED illuminating lamp, the problem such as solved anti-dazzle light transmission screen complicated structure that prior art exists, cost is high, light transmission efficiency is lower, it is reasonable in design, the anti-dazzle light transmission screen simple in structure, cost is low, when meeting the anti-dazzle function, have good light transmission.

The technical solution adopted in the present invention is: this glare prevention LED illuminating lamp comprises the LED lamp umbrella that is comprised of umbrella, power lead and a plurality of LED illuminating member and with the anti-dazzle light transmission screen of light transmission film, its technical essential is: described anti-dazzle light transmission screen is made by your lens (Fresnel len) array light-transmissive film of Fresnel, and LED lamp umbrella seals by isolation carriage and anti-dazzle light transmission screen.

advantage and good effect that the present invention has are: be the member that connects LED lamp umbrella and anti-dazzle light transmission screen and keep certain intervals due to isolation carriage of the present invention, thereby while guaranteeing the work of LED lamp umbrella, can shine a plurality of Fresnel Lenses unit in the fresnel lens array light-transmissive film of anti-dazzle light transmission screen, and the dazzle of each LED illuminating member work light radiation is processed, generate the more uniform area source of Luminance Distribution on light transmission screen, make the fresnel lens array light-transmissive film can produce good anti-dazzle effect to the radiation of light source of each LED illuminating member work, so it is reasonable in design, anti-dazzle light transmission screen simple in structure, cost is low, when meeting the anti-dazzle function, has good light transmission.Therefore, the invention solves the problems such as anti-dazzle light transmission screen complicated structure that prior art exists, cost is high, light transmission efficiency is lower.

Description of drawings

The invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is the structural representation of glare prevention LED illuminating lamp of the present invention.

Sequence number explanation in figure: 1 anti-dazzle light transmission screen, 2 isolation carriages, 3 LED lamp umbrellas, 4 umbrellas, 5 LED illuminating members, 6 power leads.

The specific embodiment

Describe concrete structure of the present invention in detail according to Fig. 1.This glare prevention LED illuminating lamp comprises the LED lamp umbrella 3 that is comprised of umbrella 4, power lead 6 and a plurality of LED illuminating member 5 and with the parts such as anti-dazzle light transmission screen 1 of light transmission film.Wherein a plurality of LED illuminating members 5 of umbrella 4 surface distributed in LED lamp umbrella 3 are the main bodys that produce the radiation lighting source, introduce the working power of illumination by the power lead 6 at LED lamp umbrella 3 back sides.The light transmission film of anti-dazzle light transmission screen 1 is made by the light transmission film with fresnel lens array..LED lamp umbrella 3 seals with anti-dazzle light transmission screen 1 by isolation carriage 2.

The light transmission film of fresnel lens array is generally selected the good structural film materials of transparency, on the surface of film, be divided into numerous independent printing opacity unit by matrix distribution, on the film surface of each printing opacity unit, one of mint-mark has physioptial Fresnel Lenses, so whole light transmission film surface, just form the Fresnel Lenses rectangular array of being arranged in length and breadth by the dozens of Fresnel Lenses.If we are placed in the fresnel lens array light transmission film between the radiating light source of LED illuminating lamp and people's observation sight line, the high brightness radiation of each LED illuminating member 5 work can shine on all unit of fresnel lens array, on the retina that the people directly observes, the image that the radiation of light source of these LED illuminating member 5 work is arranged on each Fresnel Lenses unit, but it is many that brightness is low, there is no the spread effect of dazzle.Fresnel Lenses be a kind of lens surface simultaneously for the light face, another side is the pattern of ascending donut rag.The lens ring of each donut produces different refraction angle to the same light beam that sees through.We utilize this function of Fresnel Lenses, when Ray Of Light in the light source of a LED illuminating member 5 work is passed in sight line a Fresnel Lenses in fresnel lens array along the direction of visual lines of human eye, only having the Fresnel Lenses garden of seeing through to encircle small part light in the heart can also keep original direction to propagate, overwhelming majority light are because passing the Fresnel Lenses center of circle in addition during the lens ring of different-diameter, because light is produced various refraction angle, and the change direction of propagation makes most of radiation of light beam loose to other all directions.Also can observe the image of the light source of these LED illuminating member 5 work in the Fresnel Lenses of the unit of certain other direction fresnel lens array in sight line, that is the light beam of other direction of sending of light sources of this LED illuminating member 5 work, because the refraction action of Fresnel Lenses changes direction, passes in people's an eye line.Be distributed with tens or hundreds of LED illuminating members 5 on lamp umbrella 3 surfaces of a LED illuminating lamp.When the light transmission screen that all sees through fresnel lens array when the radiation of light source of all LED illuminating members 5 work of LED illuminating lamp throws light on, the radiation of all LED illuminating members 5 is at fresnel lens array set image, the sensation of dazzle no longer appears on disseminator's retina, but the more uniform area source of Luminance Distribution.

The light transmission film of anti-dazzle light transmission screen 1 both can adopt the mould of laser beam marking, the fresnel lens array decorative pattern is directly printed on the transparent film with elastic construction intensity, make the fresnel lens array light transmission film, also the pad pasting that is printed on the fresnel lens array decorative pattern can be covered the synthetic fresnel lens array light transmission film in transparent film surface with elastic construction intensity.The anti-dazzle light transmission screen 1 that uses the fresnel lens array light transmission film to make, utilize the anaclasis effect of each Fresnel Lenses unit in fresnel lens array, the stimulation injury of the dazzle that the LED illuminating member 5 radiation lighting sources on umbrella 4 surfaces of weakening LED lamp umbrella 3 produce to human eye.In order to make fresnel lens array, to the dazzle that each LED illuminating member 5 radiation lighting source produces, good anti-dazzle effect be arranged, keep the certain distance interval between the anti-dazzle light transmission screen 1 that the LED illuminating member 5 on L umbrella 4 surfaces and preposition fresnel lens array light transmission film need to be made, the radiation that guarantees each LED illuminating member 5 can shine a plurality of Fresnel Lenses unit in the fresnel lens array light-transmissive film.Therefore, the interval action of frame 2 existing umbrella 4 surfaces and anti-dazzle light transmission screen 3, have again the overall structure that anti-dazzle light transmission screen 1 and LED lamp umbrella 3 is connected and composed the glare prevention LED illuminating lamp.In the overall structure of glare prevention LED illuminating lamp, the structural material of the structural material of the structural material of umbrella 4, frame 2 and anti-dazzle light transmission screen can use the film with elastic construction intensity to manufacture, the glare prevention LED illuminating lamp that uses this material to manufacture, have and good can directly carry out lamp decorating technique basis, can make the LED decorating lamp artware miscellaneous attractive in appearance that the overall structure of glare prevention LED illuminating lamp and lamp decorating are become one.

Claims (1)

1. glare prevention LED illuminating lamp, comprise the LED lamp umbrella that formed by umbrella, power lead and a plurality of LED illuminating member and with the anti-dazzle light transmission screen of light transmission film, it is characterized in that: the light transmission film of described anti-dazzle light transmission screen is made by your lens arra light-transmissive film of Fresnel, and LED lamp umbrella seals by isolation carriage and anti-dazzle light transmission screen.