CN201513831U

CN201513831U - Spherical light source double-cavity reflecting cover

Info

Publication number: CN201513831U
Application number: CN200920194835XU
Authority: CN
Inventors: 李伟雄; 肖斌; 刘伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-09-16
Filing date: 2009-09-16
Publication date: 2010-06-23
Anticipated expiration: 2019-09-16

Abstract

The utility model relates to a spherical light source double-cavity reflecting cover which can cover a light source, wherein the light source is a luminous light source on the surface of a sperical body, the reflecting cover is composed of a plurality of reflecting surfaces which are symmetrical and rotate axially along a perpendicular shaft, the radian of the reflecting surfaces corresponding to the center of the spherical light source can be equal or unequal, and the light source is a bulb of a spherical high-frequency electrodeless discharge lamp. Compared with an existing electrodeless discharge lamp reflecting cover, the reflecting cover in the design of the utility model fully considers the characteristics of the spherical light-emitting of the electrodeless discharge lamp, greatly improves the light emitting rate and lighting evenness of the electrodeless discharge lamp, and is beneficial for the application of the electrodeless discharge lamp in wider range and larger scale.

Description

Spheroid light source two-chamber reflector

Technical field

The utility model relates to lighting, especially a kind of two-chamber reflector that adopts the electrodeless lamp of spheroid as the spheroid light source lamp of light source.

Background technology

The general whole employing conventional light source of the electrodeless lamp of existing high-frequency electromagnetic, for example: with the light fixture of spot lights such as sodium vapor lamp, Metal halogen lamp as electrodeless lamp, because the electrodeless lamp of high-frequency electromagnetic is the spherome surface illuminating source, as the conventional lamp of spot light and be not suitable for the electrodeless lamp of high-frequency electromagnetic.As shown in Figure 1,4 of the reflectors of conventional lamp are applicable to spot light, when reflector 4 is used for spherome surface illuminating source 3, the reflection ray of spherome surface illuminating source 3 considerable parts can self be blocked by spherome surface illuminating source 3, will reduce the light emission rate of light fixture so greatly, also can reduce the illumination uniformity of light fixture simultaneously.The HF lamp without electrodes that occurs over past ten years, be based on a kind of new type light source that two principles of fluorescence gas discharge and electromagnetic field inducing combine, it is made up of radio-frequency generator, coupler and bulb three parts, the coil that is wrapped on the magnetic core is called as coupler, when the coupler acquisition provides the pulse of high pressure initial excitation by power supply, mercuryvapour in the foam can be energized into plasma, 2.65 megahertzes can be kept the excitation of article on plasma body greatly about the high-frequency impulse of 300-500 volt subsequently, make outer-shell electron constantly enter excitation state, constantly carry out transition and luminous.Electrodeless light fixture has high light efficiency, high-color rendering, life-span length, no stroboscopic, energy-conserving and environment-protective, can start, not be afraid of advantages such as vibrations and few maintenance immediately, has obtained application more and more widely at present, is described as " green illumination light source " of 21 century.But the reflector that existing electrodeless lamp because not have designs at its luminescence feature specially makes that the light extraction efficiency of electrodeless lamp fixture is lower, become limit for many years electrodeless lamp on a large scale, the main cause applied on a large scale.

The utility model content

At the deficiency of above existing electrodeless lamp reflector, the purpose of this utility model provides a kind of spheroid light source two-chamber reflector that has than high light-emitting rate and higher illumination uniformity.

The purpose of this utility model is achieved by the following technical solution:

Spheroid light source two-chamber reflector comprises illuminating source and reflector, and described reflector covers described light source, and described light source is the spherome surface illuminating source.

As optimal technical scheme of the present utility model, described reflector is made up of along the axial rotational symmetric reflecting surface of vertical axis a plurality of.

As optimal technical scheme of the present utility model, described reflecting surface comprises the conical surface or cambered surface.

As optimal technical scheme of the present utility model, described reflecting surface can equate with respect to the radian of spheroid light source center, also can be unequal.

As optimal technical scheme of the present utility model, described light source is a spheroid HF lamp without electrodes bulb.

The beneficial effects of the utility model

Compare with existing electrodeless lamp fixture reflector, the electrodeless lamp reflector of the utility model design has the following advantages: the reflector structure that adopts the new method design, taken into full account the luminous feature of electrodeless lamp sphere, improved the light emission rate and the illumination of electrodeless lamp fixture greatly and all spent; The utility model helps applies electrodeless lamp more on a large scale, wider.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment:

Fig. 1 is the structure and the luminous route schematic diagram thereof of existing electrodeless lamp reflector;

Fig. 2 is the structure and the luminous route schematic diagram thereof of the electrodeless lamp reflector of the utility model.

The specific embodiment

As shown in Figure 2, spheroid light source two-chamber reflector, described reflector covers described light source, light source is the spherome surface illuminating source, reflector is made up of along the axial rotational symmetric reflecting surface of vertical axis a plurality of, and described reflecting surface comprises the conical surface or cambered surface, and reflecting surface can equate with respect to the radian of spheroid light source center, also can be unequal, light source is a spheroid HF lamp without electrodes bulb in the present embodiment.

The method for designing of the utility model spherome surface illuminating source reflector comprises: this reflector 2 light reflection surface be along vertical axis y and axially rotate symmetry, at first determine to pass the spheroid light source cross section of spheroid light source 1 center O, determine the vertical range aA of spheroid light source surface and reflector top center then, thereby determine the position of reflector 2 top center A, and be that starting point is done a reflecting surface with reflector 2 top center A, the light aA that assurance spheroid light source top center normal OA direction is sent just in time becomes the tangent line on spheroid light source 1 surface through the light AE of reflector 2 top center point reflections, and guarantee that this reflection ray AE just in time can not blocked by the surface of spheroid light source 1, promptly the light aA that sends of spheroid light source 1 top center normal OA direction just can extract through reflector 2 primary events.Simultaneously, spheroid light source 1 cross section along the circumferential direction is divided into 36 five equilibriums, with reflector 2 top center A is that the reflecting surface of starting point is the first five equilibrium reflecting surface, so, can guarantee the light that all normal directions are sent through the reflection of the first five equilibrium reflecting surface. can not blocked by spheroid light source 1 surface; Do a reflecting surface and become the second five equilibrium reflecting surface for starting point at the other end B of the first five equilibrium reflecting surface (away from that end of vertical axis y), guarantee that light bB that this starting point normal OB direction sends just in time becomes the tangent line on spheroid light source 1 surface through the light BF of reflector 2 reflections, and guarantee that this reflection ray BF can not blocked by the surface of spheroid light source 1, promptly the light bB that sends at the other end B of the first five equilibrium reflecting surface (away from that end of vertical axis y) normal direction OB just can extract through reflector 2 primary events, so, can guarantee that the light through the reflection of the second five equilibrium reflecting surface that all normal directions are sent can not blocked by the surface of spheroid light source 1; Do a reflecting surface and become C grade sub reflector face for starting point at the other end C of the second five equilibrium reflecting surface (away from that end of vertical axis y), guarantee that light cC that this starting point normal direction OC sends just in time becomes the tangent line on spheroid light source 1 surface through the light CG of reflector 2 reflections, and guarantee that this reflection ray CG can not blocked by the surface of spheroid light source 1, promptly the light cC that sends at the other end C of the second five equilibrium reflecting surface (away from that end of vertical axis y) normal direction OC just can extract through reflector 2 primary events, so, the light that can guarantee the process C grade sub reflector face reflection that all normal directions are sent can not blocked by the surface of spheroid light source 1; The rest may be inferred, can finish the 11st reflecting surface such as branch such as grade, and each reflecting surface is joined together to form a reflector.The reflector structure that this method designs has taken into full account the luminous feature of electrodeless lamp sphere, has improved the light emission rate and the illumination of electrodeless lamp fixture greatly and has all spent.

Following table be existing electrodeless lamp fixture with according to the produced light fixture of method for designing of spherome surface illuminating source reflector of the present utility model relatively in the illumination at differing heights place:

As seen, the produced electrodeless lamp fixture of method for designing according to spherome surface illuminating source reflector of the present utility model, its illumination improves more than 30% at 15 meters, improves 47% at 12 meters than existing electrodeless lamp fixture, and the illumination uniformity test result also improves more than 20% than existing light fixture.

Claims

1. a spheroid light source two-chamber reflector comprises illuminating source and reflector, and it is characterized in that: described reflector covers described light source, and described light source is the spherome surface illuminating source.

2. spheroid light source two-chamber reflector according to claim 1 is characterized in that: described reflector is made up of along the axial rotational symmetric reflecting surface of vertical axis a plurality of.

3. spheroid light source two-chamber reflector according to claim 1, it is characterized in that: described reflecting surface comprises the conical surface or cambered surface.

4. spheroid light source two-chamber reflector according to claim 1 is characterized in that: described reflecting surface can equate with respect to the radian of spheroid light source center, also can be unequal.

5. spheroid light source two-chamber reflector according to claim 1 is characterized in that: described light source is a spheroid HF lamp without electrodes bulb.