CN214468391U - Lighting device - Google Patents

Abstract

The utility model provides a lighting device, which comprises a reflecting cover, wherein the bottom of the reflecting cover is provided with a luminous source, a lens with an outline smaller than that of the opening of the reflecting cover is arranged at the opening of the reflecting cover, and a lens frame for fixing the lens is also arranged at the opening of the reflecting cover; the light source forms peripheral light beams which are changed into parallel light or diffused light with small included angle after being reflected by the reflecting cover and are emitted from the position, which is not shielded by the lens, on the lens frame according to the scattering direction of the light, and forms diffused light beams with large included angle which are directly diffused towards the opening direction of the reflecting cover and are not reflected by the reflecting cover, and the lens is blocked on the emitting path of the diffused light beams with large included angle and refracts the diffused light beams with large included angle into the parallel light or the diffused light with small included angle. The utility model has the advantages of the facula is concentrated, effectively stops the floodlight scattering that the light emitting source brought not by the interior diffraction light of reflector reflection and reflector, promotes illumination efficiency and luminance, reduces and dazzles.

Description

Lighting device

Technical Field

The utility model relates to the field of lighting, concretely relates to lighting device.

Background

The current design difficulty of the lighting device is the design of the light path. During design, the light of the light source is often reflected by matching with the reflecting cover, so that the light irradiated on the reflecting cover by the light source can be emitted to a far place in a parallel or small-included-angle light diffusion mode, and light spots are gathered to improve the illumination brightness and the range; but the light that the light emitting source sent often scatters all around, consequently only some light can be reflected by the reflector, and another part light, if scatter toward reflector cover mouth direction, can not become parallel or be the light of little contained angle diffusion light via the reflector reflection then can be a taper outdiffusion, cause floodlight scattering, although increased the coverage area, its luminance is lower, under the irradiation of the highlight facula after the reflection of via the reflector, people's eye pupil can contract, the visual luminance of the light that the light emitting source scatters toward reflector cover mouth direction is further reduced, the light of this floodlight scattering still brings dazzling sense for people in distance easily simultaneously.

SUMMERY OF THE UTILITY MODEL

Based on the problem, the utility model aims to provide a facula is concentrated, effectively stops the floodlight scattering that the light emitting source did not reflect and diffraction light brought in the reflector, promotes illumination efficiency and luminance, reduces dazzling lighting device.

Aiming at the problems, the following technical scheme is provided: a lighting device comprises a reflecting cover, wherein a light emitting source is arranged at the bottom of the reflecting cover, a lens with an outer contour smaller than that of the opening of the reflecting cover is arranged at the opening of the reflecting cover, and a lens frame for fixing the lens is further arranged at the opening of the reflecting cover; the light source forms peripheral light beams which are changed into parallel light or diffused light with small included angle after being reflected by the reflecting cover and are emitted from the position, which is not shielded by the lens, on the lens frame according to the scattering direction of the light, and forms diffused light beams with large included angle which are directly diffused towards the opening direction of the reflecting cover and are not reflected by the reflecting cover, and the lens is blocked on the emitting path of the diffused light beams with large included angle and refracts the diffused light beams with large included angle into the parallel light or the diffused light with small included angle.

In the structure, light emitted by the light source can be reflected by the reflecting cover to form parallel light or diffused light with a small included angle to be emitted as peripheral light beams, and the light which cannot be reflected by the reflecting cover and directly diffused to the outside of the opening of the reflecting cover is refracted by the lens to form the parallel light or the diffused light with the small included angle to be emitted from the lens, so that the concentration of light spots is ensured, the light source is effectively prevented from being reflected and scattered by the reflecting cover, the illumination efficiency and the brightness are improved, and the dazzling is reduced; the luminous source can be selected from LED, xenon lamp, dysprosium lamp, halogen lamp, sodium lamp, etc.

The utility model discloses further set up to, the lens holder includes outer solid fixed ring and interior fixed ring, connect through connecting portion between outer solid fixed ring and the interior fixed ring, lens are fixed in on the interior fixed ring.

In the above structure, the connecting parts are arranged at intervals or uniformly along the circumferential direction of the lens holder.

The utility model discloses further set up to, peripheral light beam's the route of penetrating passes through between outer solid fixed ring and the interior fixed ring.

In the structure, the connecting part is convenient for peripheral light beams to pass through while connecting the outer fixing ring and the inner fixing ring.

The utility model discloses further set up to, still be equipped with the grating piece that can shelter from diffraction light in the reflector between outer fixed ring and the interior fixed ring.

In the structure, the grating sheet can reduce floodlight caused by diffracted light in the reflector, and further reduce the generation of other diffracted light except light spots.

The utility model discloses further set up to, the grating piece is fixed for passing through connecting portion, the piece that is in the light of past reflector axial direction extension.

In the structure, the light source surrounded by the vertical projection surface profile of the light barrier is arranged to ensure that the flood light generated by the light source in the reflector can be shielded in a surrounding manner.

The utility model discloses further set up to, the piece that is in the light is the tube-shape cover between outer fixed ring and interior fixed ring, or is cellular setting between outer fixed ring and interior fixed ring.

In the above structure, the light blocking sheet having a honeycomb structure may be used to block floodlight other than parallel light or small-angle diffused light, which is a preferred structure.

The utility model discloses further set up to, lens are convex lens or fresnel lens.

In the above structure, the lens is disposed at or outside the opening of the reflector, so that the lens is far away from the light source, thereby reducing heat influence on the lens (especially on the lens made of plastic material).

The utility model discloses further set up to, when light emitting source scattering direction was greater than 180 degrees towards reflector cover mouth and luminous contained angle, be equipped with the vice reflector that is used for the luminous contained angle of reflection light source to be greater than the light outside 180 degrees at the bottom of the reflector cover, vice reflector cover mouth keeps the same level and is located one side of light emitting source dorsad reflector cover mouth at the bottom of the reflector cover.

In the structure, the auxiliary reflecting cover is used for reflecting light rays behind the luminous source, so that reasonable utilization of the light source is ensured as far as possible.

The utility model discloses further set up to, reflector and lens holder are installed in the lamp holder, lamp holder the place ahead is equipped with the lamp shade.

In the structure, the surface of the lampshade can be atomized or anti-dazzled.

The utility model discloses further set up to, still include the stack shell that links to each other with the lamp holder.

In the structure, the cylinder body can be used for installing and fixing the lamp holder; the barrel body can be internally provided with a power supply and a control circuit so as to meet the requirements of mobile illumination.

The utility model has the advantages that: the light emitted by the light source can be reflected by the reflecting cover to form parallel light or diffused light with small included angle, and the parallel light or the diffused light with small included angle is emitted as peripheral light beams, and the light which can not be reflected by the reflecting cover and directly diffused to the outside of the opening of the reflecting cover is refracted by the lens to form the parallel light or the diffused light with small included angle, so that the concentration of light spots is ensured, the light source is effectively prevented from being reflected and scattered by the reflecting cover, the illumination efficiency and the brightness are improved, and the dazzling is reduced; the luminous source can be selected from LED, xenon lamp, dysprosium lamp, halogen lamp, sodium lamp, etc.

Drawings

Fig. 1 is a schematic view of a full-section structure of the light-emitting source of the present invention when the included angle is less than 180 degrees.

Fig. 2 is a schematic view of the whole section structure of the luminous clip of the present invention when the angle is greater than 180 degrees.

Fig. 3 is a schematic view of the light path when the light emitting angle of the light emitting source of the present invention is within 180 degrees.

Fig. 4 is a schematic view of the light path when the light emitting clip of the present invention is larger than 180 degrees.

Fig. 5 is a schematic diagram of the explosion structure of the present invention.

Fig. 6 is a schematic view of the overall structure of the present invention.

The reference numbers in the figures mean: 10-a reflector; 101-secondary reflector; 11-a light emitting source; 12-a lens; 13-a lens holder; 131-an outer fixing ring; 132-an internal fixation ring; 133-a connecting portion; 134-grating sheet; 14-a lamp base; 15-lamp shade; 16-barrel body.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 6, the lighting device shown in fig. 1 to 6 comprises a reflector 10, the bottom of the reflector 10 is provided with a light emitting source 11, the opening of the reflector 10 is provided with a lens 12 having an outer contour smaller than that of the opening of the reflector 10, and the opening of the reflector 10 is further provided with a lens holder 13 for fixing the lens 12; the light source 11 forms, according to the scattering direction of light, a peripheral light beam which is reflected by the reflector 10 and then becomes parallel light or diffused light with a small included angle, and is emitted from a position on the lens holder 13 which is not shielded by the lens 12, and a diffused light beam with a large included angle which is directly diffused toward the opening of the reflector 10 and is not reflected by the reflector 10, and the lens 12 is blocked on the emitting path of the diffused light beam with the large included angle and refracts the diffused light beam with the large included angle into the parallel light or the diffused light with the small included angle.

In the structure, light emitted by the light source 11 can be reflected by the reflector 10 to form parallel light or diffused light with a small included angle after being reflected by the reflector 10 to be emitted as peripheral light beams, and the light which cannot be reflected by the reflector 10 and directly diffused to the outside of the opening of the reflector 10 is refracted by the lens 12 to form parallel light or diffused light with a small included angle to be emitted from the lens 12, so that the centralization of light spots is ensured, the light source 11 is effectively prevented from being reflected and scattered by the reflector 10, the illumination efficiency and the brightness are improved, and the dazzling is reduced; the light emitting source 11 may be an LED, xenon lamp, dysprosium lamp, halogen lamp, sodium lamp, or the like.

In this embodiment, the lens holder 13 includes an outer fixing ring 131 and an inner fixing ring 132, the outer fixing ring 131 and the inner fixing ring 132 are connected by a connecting portion 133, and the lens 12 is fixed to the inner fixing ring 132.

In the above structure, the plurality of connecting portions 133 are provided at intervals or uniformly in the circumferential direction of the lens holder 13.

In this embodiment, the emitting path of the peripheral light beam passes through between the outer fixed ring 131 and the inner fixed ring 132.

In the above structure, the connection portion 133 facilitates the peripheral light beam to pass through while connecting the outer fixing ring 131 and the inner fixing ring 132.

In this embodiment, a grating 134 capable of shielding the diffracted light in the reflector 10 is further disposed between the outer fixing ring 131 and the inner fixing ring 132.

In the above structure, the grating plate 14 can reduce the floodlight caused by the diffracted light in the reflector 10, further reduce the generation of other diffracted light except the light spot, and the outer fixing ring 131 and the inner fixing ring 132 can directly replace the grating plate 14 when necessary.

In this embodiment, the grating plate 14 is a light blocking plate fixed by the connecting portion 133 and extending toward the axial direction of the reflector 10.

In the above structure, the light source 11 surrounded by the vertical projection surface profile of the light barrier is disposed to ensure that the flood light generated by the light source 11 in the reflector 10 can be shielded in a surrounding manner.

In this embodiment, the light blocking sheet is sleeved between the outer fixing ring 131 and the inner fixing ring 132 in a cylindrical shape, or disposed between the outer fixing ring 131 and the inner fixing ring 132 in a honeycomb shape (not shown).

In the above structure, the light blocking sheet having a honeycomb structure may be used to block floodlight other than parallel light or small-angle diffused light, which is a preferred structure.

In this embodiment, the lens 12 is a convex lens or a fresnel lens.

In the above structure, the lens 12 is disposed at or outside the opening of the reflector 10, so that the lens 12 is away from the light source 11, thereby reducing the thermal influence on the lens 12 (especially, the plastic lens).

In this embodiment, when the scattering direction of the light source 11 faces the opening of the reflector 10 and the light-emitting included angle is greater than 180 degrees, the bottom of the reflector 10 is provided with an auxiliary reflector 101 for reflecting light rays outside the light-emitting included angle of the light source 11 which is greater than 180 degrees, and the opening of the auxiliary reflector 101 is flush with the bottom of the reflector 10 and is located on one side of the light source 11 facing away from the opening of the reflector 10.

In the above structure, the secondary reflector 101 is used for reflecting the light behind the light source 11, so as to ensure the rational utilization of the light source as much as possible.

In this embodiment, the reflector 10 and the lens holder 13 are mounted in a base 14, and a lamp cover 15 is provided in front of the base 14.

In the above structure, the surface of the lamp cover 15 may be atomized or anti-glare treated.

In this embodiment, a barrel 16 is also included and is connected to the base 14.

In the above structure, the barrel 16 can be used for mounting and fixing the lamp head 14; a power supply and control circuitry may be provided within the barrel 16 to meet mobile lighting requirements.

The utility model has the advantages that: light emitted by the light source 11 and capable of being reflected by the reflector 10 forms parallel light or diffused light with a small included angle after being reflected by the reflector 10 to be emitted as peripheral light beams, and light which cannot be reflected by the reflector 10 and directly diffused to the outside of the opening of the reflector 10 is refracted by the lens 12 to form parallel light or diffused light with a small included angle to be emitted from the lens 12, so that the concentration of light spots is ensured, the light source 11 is effectively prevented from being reflected and scattered by the reflector 10, the illumination efficiency and the brightness are improved, and the dazzling is reduced; the light emitting source 11 may be an LED, xenon lamp, dysprosium lamp, halogen lamp, sodium lamp, or the like.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a lighting device, includes the reflector, the reflector bottom is equipped with light emitting source, its characterized in that: the reflector opening is provided with a lens with an outer contour smaller than that of the reflector opening, and the reflector opening is also provided with a lens frame for fixing the lens; the light source forms peripheral light beams which are changed into parallel light or diffused light with small included angle after being reflected by the reflecting cover and are emitted from the position, which is not shielded by the lens, on the lens frame according to the scattering direction of the light, and forms diffused light beams with large included angle which are directly diffused towards the opening direction of the reflecting cover and are not reflected by the reflecting cover, and the lens is blocked on the emitting path of the diffused light beams with large included angle and refracts the diffused light beams with large included angle into the parallel light or the diffused light with small included angle.

2. A lighting device as recited in claim 1, wherein: the lens frame comprises an outer fixing ring and an inner fixing ring, the outer fixing ring and the inner fixing ring are connected through a connecting part, and the lens is fixed on the inner fixing ring.

3. A lighting device as recited in claim 2, wherein: the emitting path of the peripheral light beam passes through the outer fixed ring and the inner fixed ring.

4. A lighting device as recited in claim 3, wherein: and a grating sheet capable of shielding diffraction rays in the reflector is further arranged between the outer fixing ring and the inner fixing ring.

5. A lighting device as recited in claim 4, wherein: the grating sheet is a light blocking sheet fixed through a connecting part and extending towards the axial direction of the reflecting cover.

6. A lighting device as recited in claim 5, wherein: the light blocking sheet is sleeved between the outer fixing ring and the inner fixing ring in a cylindrical shape or arranged between the outer fixing ring and the inner fixing ring in a honeycomb shape.

7. A lighting device as recited in claim 1, wherein: the lens is a convex lens or a Fresnel lens.

8. A lighting device as recited in claim 1, wherein: when the light source scattering direction faces the reflecting cover opening and the light-emitting included angle is larger than 180 degrees, an auxiliary reflecting cover for reflecting light rays with the light-emitting included angle larger than 180 degrees is arranged at the bottom of the reflecting cover, and the auxiliary reflecting cover opening is level with the bottom of the reflecting cover and is positioned on one side of the light source back to the reflecting cover opening.

9. A lighting device as recited in any one of claims 1-8, wherein: the reflecting cover and the lens frame are arranged in the lamp holder, and the lamp shade is arranged in front of the lamp holder.

10. A lighting device as recited in claim 9, wherein: also comprises a cylinder body connected with the lamp holder.

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