CN204554697U - A kind of Novel light-reflecting cup and assemble the LED of this reflector - Google Patents

Abstract

The utility model discloses a kind of Novel light-reflecting cup and assemble the LED of this reflector, described reflector comprises the cup body with light inlet and light-emitting window, described cup body is cross section is polygonal tubular body, and cup body light-emitting window is provided with from the outward extending secondary reflection limit for reducing light loss of light-emitting window.Reflector of the present utility model can keep large-sized light-emitting window, and the height of whole reflector is without the need to corresponding increase.It effectively can reduce dazzle, and the light reflection in wide-angle direction is deflected; And it effectively can carry out secondary distribution to light, realizes the square focus spot of uniform illuminance.Particularly, secondary reflection limit can be covered to glass outer or PC the light reflected and be carried out secondary reflection, improves the utilization rate of whole light fixture.

Description

A kind of Novel light-reflecting cup and assemble the LED of this reflector

Technical field

The utility model relates to lighting technical field, more particularly, relates to a kind of reflector and uses the LED of this reflector.

Background technology

The LED floodlight of current middle low power is generally all at about tens watts, and light source generally uses COB light source, and light fixture heat is more concentrated, in order to be conducive to heat radiation, then requires that lamp body wants large, so the light-emitting window of whole floodlight is all larger.And in order to reach light distribution effect, the light-emitting window size of reflector and highly must keep corresponding ratio, namely light-emitting window size is large, then the height dimension of reflector also must be larger.So, adopt floodlight following points contradiction in luminous intensity distribution of COB light source at present:

One, in order to realize the effect of anti-dazzle and effective luminous intensity distribution, then the height of reflector can do along with the increase of light-emitting window higher.This just causes the height because of reflector to increase, and the thickness of whole reflector must be increased accordingly, and after increasing the thickness of reflector, material cost also can correspondingly increase.Particularly, the increase because of size improves the difficulty of Design of Luminaires, makes the weight of light fixture also increase simultaneously, adds installation difficulty.

If two do not consider luminous intensity distribution, only consider outward appearance and cost, then the profile of whole light fixture can do relatively lighter and handier, thickness is smaller, but does the function that reflector just loses luminous intensity distribution like this.So the dazzle of whole light fixture can be larger, also can produce circular light spot.This not realistic application requirement, causes the waste of light.

So, at present in order to coordinate light fixture outward appearance to frivolous requirement, simultaneously in order to meet the requirement of light fixture to luminous intensity distribution, a Curve guide impeller need be done to the reflector design of current floodlight.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, for the floodlight reflector of current COB light source because light-emitting window is large insufficient height, the defect caused, one is provided effectively to reduce dazzle, the light reflection in wide-angle direction is deflected, and effectively can carry out the Novel light-reflecting cup of secondary distribution to light.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

A kind of Novel light-reflecting cup, comprise the cup body with light inlet and light-emitting window, described cup body is cross section is polygonal tubular body, and cup body light-emitting window is provided with from the outward extending secondary reflection limit for reducing light loss of light-emitting window.

Further, described cup body inner surface is provided with some strip reflection lines regularly arranged.

Further, described strip reflection line is arc convex.

Further, the cross section of described cup body increases to light-emitting window gradually from light inlet.

Further, the cross section of described cup body is quadrangle.

Further, each side of described formation tubular body wall is an independently reflecting surface, and described reflecting surface is arc-shaped curved surface.

Further, described cup body and secondary reflection limit one-body molded.

Further, described cup body plating inner surface aluminium.

Further, described secondary reflection limit surface electrical is aluminized.

Another object of the present utility model, be to provide a kind of LED, described LED is equipped with reflector, described reflector comprises the cup body with light inlet and light-emitting window, described cup body is cross section is polygonal tubular body, and cup body light-emitting window is provided with from the outward extending secondary reflection limit for reducing light loss of light-emitting window.

Compared with prior art, the beneficial effects of the utility model are:

Reflector of the present utility model can keep large-sized light-emitting window, and the height of whole reflector is without the need to corresponding increase.It effectively can reduce dazzle, and the light reflection in wide-angle direction is deflected; And it effectively can carry out secondary distribution to light, realizes the square focus spot of uniform illuminance.Particularly, secondary reflection limit can be covered to glass outer or PC the light reflected and be carried out secondary reflection, improves the utilization rate of whole light fixture.

Accompanying drawing explanation

Fig. 1 is three-dimensional structure diagram of the present utility model;

Fig. 2 is plan structure figure of the present utility model;

Fig. 3 is side view of the present utility model;

Fig. 4 is the sectional structure chart of Fig. 3;

Fig. 5 shows the light trend of light after the utility model reflection.

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed explanation and explanation are done to structure of the present utility model, but be not the restriction to the utility model structure.

Please also refer to accompanying drawing 1 ~ 2, where figure 1 shows surface structure of the present utility model, Fig. 2 shows plan structure of the present utility model.As shown in the figure, reflector of the present utility model, comprises integrated cup body 1 and secondary reflection limit 4, cup body 1 inner surface and secondary reflection limit 4 outer surface Electroplating Aluminum.

Cup body 1 has light inlet A and light-emitting window B, and cup body 1 is cross section is polygonal tubular body, and its cross section increases to light-emitting window B gradually from light inlet A.In the present embodiment, the cross section of cup body 1 is quadrangle, and namely cup body 1 is caliber is the quadrangle tubular body increased gradually to light-emitting window B from light inlet A.

Please refer to Fig. 4, cup body 1 inner surface is provided with some strip reflection lines 2 regularly arranged, and the shape of this strip reflection line 2 is arc convex, and namely this strip reflection line is protruding, and the cross section of projection is arc.Strip reflection line 2 plays the object of uniform light distribution, the reflection direction of incidence regular reflection light thereon can be broken up, its reflection ray will be distributed in the comparatively large regions in receiving surface, play the object of uniform illumination, have the effect improving whole light fixture chrominance space uniformity simultaneously.

As shown in Figure 4, form the four sides tube wall of quadrangle tubular body, wherein each side is as an independently reflecting surface 3, and reflecting surface 3 is arc-shaped curved surface.These four arc-shaped curved surfaces play the effect of luminous intensity distribution, and draw the hot spot of circle for square focus spot in.

Please refer to Fig. 2 ~ 3, a glass body light-emitting window place is located on secondary reflection limit 4, and stretches out from light-emitting window B, for reducing light loss.Secondary reflection limit 4 has the effect improving Luminaire efficiency, because general light fixture all can increase an outer cover 5 on the top of reflector, can be glass or PC cover, then Fresnel reflection can be produced on the surface of these media, two large appointments of reflecting surface are reflected back the luminous flux of 8%, if the bad good utilisation of the light reflected, will slattern.So set up secondary reflection limit 4, and on secondary reflection limit 4 Electroplating Aluminum, then just the light reflected can be reflected away again, plays and improve the object of Luminaire efficiency.Because the light-emitting window of general floodlight is all larger, after increasing secondary reflection limit 4, can also coordinates with the light-emitting window of floodlight, thus play the object of aesthetic appeal.

Above-mentioned reflector be assemblied in band COB light source LED floodlight on after, light through the utility model reflector reflection after trend as shown in Figure 5.

The utility model is not limited to above-mentioned embodiment, if do not depart from spirit and scope of the present utility model to various change of the present utility model or distortion, if these are changed and distortion belongs within claim of the present utility model and equivalent technologies scope, then the utility model is also intended to comprise these changes and distortion.

Claims (10)

1. a Novel light-reflecting cup, comprises the cup body with light inlet and light-emitting window, it is characterized in that: described cup body is cross section is polygonal tubular body, and cup body light-emitting window is provided with from the outward extending secondary reflection limit for reducing light loss of light-emitting window.

2. Novel light-reflecting cup according to claim 1, is characterized in that: described cup body inner surface is provided with some strip reflection lines regularly arranged.

3. Novel light-reflecting cup according to claim 2, is characterized in that: described strip reflection line is arc convex.

4. Novel light-reflecting cup according to claim 1 and 2, is characterized in that: the cross section of described cup body increases to light-emitting window gradually from light inlet.

5. Novel light-reflecting cup according to claim 4, is characterized in that: the cross section of described cup body is quadrangle.

6. Novel light-reflecting cup according to claim 1, is characterized in that: each side of described formation tubular body wall is an independently reflecting surface, and described reflecting surface is arc-shaped curved surface.

7. Novel light-reflecting cup according to claim 1, is characterized in that: described cup body and secondary reflection limit one-body molded.

8. Novel light-reflecting cup according to claim 1, is characterized in that: described cup body plating inner surface aluminium.

9. Novel light-reflecting cup according to claim 1, is characterized in that: described secondary reflection limit surface electrical is aluminized.

10. a LED, is characterized in that: comprise reflector according to claim 1.