CN207421973U

CN207421973U - A kind of anti-glare LED down lamp

Info

Publication number: CN207421973U
Application number: CN201721499518.XU
Authority: CN
Inventors: 焦向辉; 徐玉柱
Original assignee: SHANGHAI IMAGY LIGHTING CO Ltd
Current assignee: SHANGHAI IMAGY LIGHTING CO Ltd; Imigy Lighting Electric Co Ltd
Priority date: 2017-11-10
Filing date: 2017-11-10
Publication date: 2018-05-29
Anticipated expiration: 2027-11-10

Abstract

The utility model provides a kind of anti-glare LED down lamp, it includes downlight shell, PCB circuit board is equipped in the downlight shell, several SMD LED are pasted in the PCB circuit board, an optical mixing cover are additionally provided in the downlight shell, the SMD LED hoods are in the optical mixing cover, a reflector is additionally provided in the downlight shell, the optical mixing cover is located at the top of the reflector, and the top of the reflector inner peripheral surface is grid lines optical surface, and lower part is frosted shading surface.The anti-glare LED down lamp is using SMD LED as illuminating source, it is designed by the structure to optical mixing cover and reflector, effectively extra dazzle and veiling glare can be filtered on the premise of light extraction efficiency is ensured, people is avoided to be subject to the tingling sensation of light direct beam, the UGR of downlight<19, the anti-glare LED down lamp and existing COB downlights can effectively reduce light source, radiator device cost, and more convenient production, product quality have higher reliability.

Description

A kind of anti-glare LED down lamp

Technical field

The utility model is related to lighting area, more particularly to a kind of anti-glare LED down lamp.

Background technology

At present, LED downlight is widely used in general room lighting demand, and LED downlight can send uniform light, realize space The effect illuminated, therefore largely widely used in many occasions, such as at home, market, hotel etc..LED cylinders on the market Lamp overwhelming majority UGR is in this scope of 22-25, to meet lighting environmental demand, it is necessary to which further relatively low UGR refers to Number.Now UGR on the market<19 this kind of lamps and lanterns, main application scenario are hotel's illuminations, and this kind of lamps and lanterns are all to use COB light at present What source was realized, COB LED have many advantages, such as that dimension of light source is small, easily realize optical design, UGR can be realized using a reflector <19, therefore be widely used in anti-glare lamp.

But COB LED encapsulation technology difficulty is big, complicated, many cell arrays are on substrate, then pass through brilliant line Circuit is connected, then covers fluorescent powder, this structure production difficulty is big, and quality also bad control, and size is small, power is big, caloric value Greatly, it is necessary to rely on very big aluminium radiator, and cost is very high, and it is easy to appear dead lamp in production process, brilliant thread breakage, heat dissipation is not A series of problems, such as good.SMD LED are mainly used in basis illumination place at present, to beam angle without the place of requirement.Due to After SMD LED arrays, after several points array of source, Multi-point luminous, optics is difficult processing, it may appear that veiling glare and hot spot, it is anti-dazzle Light effect is poor, therefore using effect is not so good as COB LED, therefore fails to substitute COB markets always.But current SMD LED lifes It is ripe to produce Technical comparing, and market demand is very big, has independent stent per LED, heatproof is also more much higher than COB, therefore If the market that the anti-dazzle optical issue of SMD LED will make SMD LED have bigger can be solved.

Utility model content

In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of reliable in quality, costs It is low, there is the LED downlight of anti-dazzle light effect.

In order to achieve the above objects and other related objects, the utility model provides a kind of anti-glare LED down lamp, including cylinder Lamp housing, the downlight shell is interior to be equipped with PCB circuit board, and several SMD LED, the downlight are pasted in the PCB circuit board An optical mixing cover is additionally provided in shell, it is reflective that the SMD LED hoods are additionally provided with one in the optical mixing cover, in the downlight shell Cup, the optical mixing cover are located at the top of the reflector, and the top of the reflector inner peripheral surface is grid lines optical surface, lower part For frosted shading surface.

Preferably, doped with light diffusing agent in the optical mixing cover.

Preferably, the optical mixing cover is cloudy surface.

Preferably, the optical mixing cover is spherical surface.

Preferably, each grid surface of grid lines optical surface is spherical surface.

Preferably, the reflector inner peripheral surface surface is coated with layers of chrome.

Preferably, the top of the reflector be equipped with notch, the optical mixing cover be equipped with spin slot, the reflector with it is described Optical mixing cover is connected by the notch and spin slot.

Preferably, the downlight shell is aluminium spinning shell.

The anti-glare LED down lamp of the utility model has the advantages that：The anti-glare LED down lamp uses SMD LED It as illuminating source, is designed by the structure to optical mixing cover and reflector, can had on the premise of light extraction efficiency is ensured Being filtered extra dazzle and veiling glare of effect, avoids people from being subject to the tingling sensation of light direct beam, the UGR of downlight<19, this is anti-dazzle Light LED downlight and existing COB downlights can effectively reduce light source, radiator device cost, and more convenient production, production Quality has higher reliability.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model embodiment.

Fig. 2 is the decomposition diagram of the utility model embodiment.

1st, light bulb shell；2nd, PCB circuit board；3、SMD LED；4th, optical mixing cover；5th, screw；6th, grid lines optical surface；7、 Reflector；8th, frosted shading surface.

Specific embodiment

Illustrate the embodiment of the utility model by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the utility model easily.

Please refer to Fig.1,2.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only matching somebody with somebody The revealed content of specification is closed, so that those skilled in the art understands and reads, being not limited to the utility model can The qualifications of implementation, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size It is whole, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model institute The technology contents of announcement are obtained in the range of covering.Meanwhile in this specification it is cited as " on ", " under ", "left", "right", The term of " centre " and " one " etc. is merely convenient to understanding rather than to limit the enforceable scope of the utility model for narration, Its relativeness is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.

As shown in Figure 1, 2, the utility model provides a kind of anti-glare LED down lamp, including downlight shell 1, downlight shell 1 Aluminium spinning shell, this shell have the advantages that thermal diffusivity is good, production cost is low.PCB circuits are equipped in downlight shell 1 Plate 2 is pasted with several SMD LED in PCB circuit board 2, and PCB circuit board is equipped with illumination driving circuit, and PCB circuit board is by leading Line is connected with external power supply.An optical mixing cover 4 is additionally provided in downlight shell 1, optical mixing cover 4 is used to cover SMD LED, SMD LED The light of transmitting is outwards emitted by optical mixing cover 4.Optical mixing cover 4 is fixedly connected by screw 5 with downlight shell 1.

As a kind of preferred embodiment, can be arranged in optical mixing cover 7 doped with light diffusing agent, while by optical mixing cover 7 Cloudy surface and spherical shape so can be sufficiently mixed the light of multiple luminous points of multiple SMD LED, preferably anti-so as to play Glare effect.

A reflector 7 is additionally provided in downlight shell 1, reflector 7 is connected with optical mixing cover 4, connects in order to facilitate the installation of, can Notch is equipped at the top of reflector, spin slot is equipped on optical mixing cover 4, reflector 7 and optical mixing cover 4 are matched somebody with somebody by notch and spin slot Close connection.Reflector is in bell mouth shape, and optical mixing cover 4 is located at the top of reflector 7, the top of 7 inner peripheral surface of reflector（Diameter is smaller Part）For lower part（The part being relatively large in diameter）For frosted shading surface 8.6 each grid surface of grid lines optical surface is spherical surface , optical effect is played, reflects optics, improving extraction efficiency realizes the light emitting angle of demand.Frosted shading surface 8 plays surface and overflows instead The effect penetrated can filter out extra dazzle and veiling glare, and human eye is avoided to be subject to the tingling sensation of light direct beam.It is more preferable in order to play Reflecting effect, layers of chrome should be coated on reflector inner peripheral surface surface.

The reflector 7 needs to carry out two kinds of surface treatments, two kinds of surface treatments can be done on mold, grid lines makees mirror Mirror polish processing, frosted lines are to do sand musculus cutaneus line by mold to handle, it is ensured that the complete product of spinning does two kinds of surfaces of mold Onto same aluminium cup, then the surface treatment of the bright chromium of anode is done, the reflector so worked it out surface treatment with regard to there are two types of, this Method can effectively reduce cost.

The anti-glare LED down lamp, as illuminating source, is carried out using SMD LED by the structure to optical mixing cover and reflector Extra dazzle and veiling glare, on the premise of light extraction efficiency is ensured can effectively be filtered, people are avoided to be subject to by design The tingling sensation of light direct beam, the UGR of downlight<19, which can effectively reduce light source, heat dissipation with existing COB downlights The cost of the device of device, and more convenient production, product quality have higher reliability.So effective gram of the utility model It has taken various shortcoming of the prior art and has had high industrial utilization.

The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model God and all equivalent modifications completed under technological thought or change, should be covered by the claim of the utility model.

Claims

1. a kind of anti-glare LED down lamp, it is characterised in that：It includes downlight shell, and PCB circuits are equipped in the downlight shell Plate is pasted with several SMD LED in the PCB circuit board, an optical mixing cover, the SMD LED is additionally provided in the downlight shell It covering in the optical mixing cover, a reflector is additionally provided in the downlight shell, the optical mixing cover is located at the top of the reflector, The top of the reflector inner peripheral surface is grid lines optical surface, and lower part is frosted shading surface.

2. anti-glare LED down lamp according to claim 1, it is characterised in that：Doped with light diffusing agent in the optical mixing cover.

3. anti-glare LED down lamp according to claim 1, it is characterised in that：The optical mixing cover is cloudy surface.

4. anti-glare LED down lamp according to claim 1, it is characterised in that：The optical mixing cover is spherical surface.

5. anti-glare LED down lamp according to claim 1, it is characterised in that：The each grid of grid lines optical surface Face is all spherical surface.

6. anti-glare LED down lamp according to claim 1, it is characterised in that：The reflector inner peripheral surface surface is coated with chromium Layer.

7. anti-glare LED down lamp according to claim 1, it is characterised in that：The downlight shell is aluminium spinning shell.

8. anti-glare LED down lamp according to claim 1, it is characterised in that：The top of the reflector is equipped with notch, institute Optical mixing cover is stated equipped with spin slot, the reflector is connected with the optical mixing cover by the notch and spin slot.