CN206600710U - Lighting apparatus - Google Patents

Abstract

The utility model embodiment discloses a kind of lighting apparatus, and it includes：Reflection subassembly, including the first reflector and the second reflector, the light inlet of second reflector are connected with the light-emitting window of first reflector；Diffusion component, including the first diffuser plate and the second diffuser plate, first diffuser plate cover the light-emitting window of first reflector, and second diffuser plate covers the light-emitting window of second reflector；Light source assembly, positioned at the light inlet of first reflector.The lighting apparatus that the utility model embodiment is provided, by spreading and reflecting twice come more preferable diffusing light so that the light of the diffuser plate of last light extraction evenly, well prevents from occurring on diffuser plate bright dark irregular, takes into account illuminating effect and user's eye health.

Description

Lighting apparatus

Technical field

The utility model is related to lighting technical field, more particularly to a kind of lighting apparatus.

Background technology

At present, a kind of luminaire applications with optical element are extensive.This lighting apparatus generally comprise light source assembly, Around the reflector of light source assembly, optical element is installed on reflector.After light source assembly is powered and emitted beam, reflector will Light source assembly emitted light reflexes to optical element, passes through the luminous intensity distribution of optical element so that lighting apparatus can be sent substantially Uniform light, it is to avoid light is excessively converged and impaired user eye, realization takes into account illuminating effect and user's eye health.

However, in the prior art, this lighting apparatus normally only includes one group of reflector and optical element, due to light source group Part emitted light conforms generally to lambertian distribution, by single reflector be difficult by light source assembly emitted light non-uniform reflection extremely Optical element, causes brightness irregularities on optical element, and center section brightness is stronger, and edge brightness is weaker, reduces illumination and sets Standby display effect.

Utility model content

The purpose of the utility model embodiment is to provide a kind of lighting apparatus, to solve the above problems.

In order to solve the above technical problems, the utility model embodiment provides a kind of lighting apparatus, including：

Reflection subassembly, including the first reflector and the second reflector, the light inlet of second reflector and described first The light-emitting window connection of reflector；

Diffusion component, including the first diffuser plate and the second diffuser plate, first diffuser plate cover first reflector Light-emitting window, second diffuser plate covers the light-emitting window of second reflector；

Light source assembly, positioned at the light inlet of first reflector.

In one embodiment, first diffuser plate be arranged in parallel with the second diffuser plate.

In one embodiment, first diffuser plate is to the distance and first diffuser plate of the light source assembly to described The distance of second diffuser plate is equal.

In one embodiment, first diffuser plate and the second diffuser plate are circle, the diameter of first diffuser plate Not less than the half of the diameter of second diffuser plate.

In one embodiment, the diffusion component includes the transition being located between first reflector and the second reflector Portion, the transition part is vertical annulus, and first diffuser plate is fastened in the transition part.

In one embodiment, the diffusion component includes the convergence part of the light-emitting window positioned at second reflector, described Convergence part is vertical annulus, and second diffuser plate is fastened in the convergence part.

In one embodiment, the internal diameter of the transition part is the half of the internal diameter of convergence part；First reflector goes out The internal diameter of optical port is equal with the internal diameter of the light inlet of second reflector, and the internal diameter of the light inlet of first reflector is The half of the internal diameter of optical port, the internal diameter of the light inlet of second reflector is the half of light-emitting window internal diameter.

In one embodiment, first reflector and the second reflector are integrally formed.

In one embodiment, the light source assembly includes substrate and the luminescence unit on the substrate, the base Plate is attached to the light inlet of first reflector, to cause the luminescence unit to be located at the light inlet of first reflector.

In one embodiment, the lighting apparatus is Down lamp.

The technical scheme provided from above the utility model embodiment, the illumination that the utility model embodiment is provided Equipment, by spreading and reflecting twice come more preferable diffusing light so that the light of the diffuser plate of last light extraction evenly, very well Prevent occurring bright dark irregular on diffuser plate, take into account illuminating effect and user's eye health.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments described in the utility model, for those of ordinary skill in the art, is not paying creative work Property on the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the stereogram of lighting apparatus in the utility model embodiment.

Fig. 2 be the utility model embodiment in lighting apparatus another angle stereogram.

Fig. 3 be the utility model embodiment in lighting apparatus A-A directions sectional view.

Embodiment

In order that those skilled in the art more fully understand the technical scheme in the utility model, below in conjunction with this reality With the accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that Described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.Based on the utility model In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, should all belong to the scope of the utility model protection.

Fig. 1 and Fig. 2 be the utility model embodiment in lighting apparatus different angles stereogram.Join Fig. 1 and Fig. 2 institutes Show, in embodiment of the present utility model, lighting apparatus 100 can be the types such as Down lamp, shot-light, and lighting apparatus 100 includes reflection Component 10, diffusion component 20 (shown in ginseng Fig. 3) and light source assembly 30, reflection subassembly 10 are anti-by the emitted light of light source assembly 30 Diffusion component 20 is incident upon, to be sent by diffusion component 20.Certainly, in actual applications, lighting apparatus 100 will also include for example The conventional components such as lamp housing, drive component, will not be described here.

Reflection subassembly 10 includes the first reflector 11 and the second reflector 12, and the first reflector 11 and the second reflector 12 are equal It is presented horn-like, the light inlet of the first reflector 11 and the second reflector 12 is respectively less than its light-emitting window.

In the utility model embodiment, the size of the light inlet of the light-emitting window of the first reflector 11 and the second reflector 12 It is roughly the same, by the way that the light-emitting window of the first reflector 11 is docked with the light inlet of the second reflector 12, you can obtain this implementation Reflection subassembly 10 in example.The outer surface of the first reflector 11 and the second reflector 12 after connection is substantially concordant so that reflection group Part 10 is substantially in horn-like.

In actual applications, the first reflector 11 and the second reflector 12 can be integrally formed, and can also be separated and be prepared again Do and splice.First reflector 11 and the second reflector 12 can use specular reflector or other types, not do herein Repeat.

Fig. 3 be the utility model embodiment in lighting apparatus A-A directions sectional view.With reference to shown in Fig. 3, diffusion component 20 include the first diffuser plate 21 and the second diffuser plate 22, and the first diffuser plate 21 is covered in the light-emitting window of the first reflector 11, second Diffuser plate 22 is covered in the light-emitting window of the second reflector.First diffuser plate 21 and the second diffuser plate 22 may each be special with floodlight The diffuser of property, diffuser can be made up of makrolon (Polycarbonate, PC) material.

In the utility model embodiment, reflection subassembly 10 also include positioned at the first reflector 11 and the second reflector 12 it Between transition part 13, transition part 13 vertically extends, and its head and the tail two ends is respectively at the light-emitting window of the first reflector 11 and The light inlet connection of two reflectors 12, the Outside Dimensions of the first diffuser plate 21 are of substantially equal with enclosing size in transition part 13, can So that the interference of the first diffuser plate 21 is fastened in transition part 13 so that the inner structure of lighting device 100 is more succinct, dismounting is also allowed for One diffuser plate 21.

Reflection subassembly 10 also includes the convergence part 14 of the light-emitting window positioned at the second reflector 12, convergence part 14 and transition part 13 Bearing of trend it is consistent, it is of substantially equal that the Outside Dimensions of the second diffuser plate 22 and the interior of convergence part 14 enclose size, can be by second The interference of diffuser plate 22 is fastened in convergence part 14, can equally make it that the inner structure of lighting device 100 is more succinct, also allows for dismounting Two diffuser plates 22.

Also, the internal diameter of the transition part 13 is the half of the internal diameter of convergence part 14；The light extraction of first reflector 11 The internal diameter of mouth is equal with the internal diameter of the light inlet of second reflector 12, and the internal diameter of the light inlet of first reflector 11 is The half of the internal diameter of light-emitting window, the internal diameter of the light inlet of second reflector 12 is the half of light-emitting window internal diameter.

Certainly, in other embodiment of the present utility model, the first diffuser plate 21 and transition part 13, the second diffuser plate 22 with Between convergence part 14 can also for example, by glue binder-reinforced, will not be described here.

In actual applications, the first diffuser plate 21 and the second diffuser plate 22 be arranged in parallel.When lighting apparatus 100 is Down lamp, First diffuser plate 21 and the second diffuser plate 22 are circle, and the diameter D1 of the first diffuser plate 21 is straight not less than the second diffuser plate 22 Footpath D2 half.

Light source assembly 30 is located at the light inlet of the first reflector 11, and light source assembly 30 can include being attached to the first reflector The substrate 31 of 11 light inlet and the luminescence unit 32 on substrate 31, substrate 11 can be common light source board, light Unit 32 can be the types such as LED/light source, and luminescence unit 32 is fixed on substrate 31 by modes such as pasters, by adjusting substrate 31 position so that luminescence unit 32 is located at the light inlet of the first reflector 11.

In the utility model embodiment, the first diffuser plate 21 to light source assembly 30 is arrived apart from H1 and the first diffuser plate 21 Second diffuser plate 22 it is equal apart from H2.It is worth noting that, it is absolute equal in equal not mathematics category here, also wrap Include and be approximately equal to.For example, H1 and H2 difference is only the 10 of H1 or H2, now H1 and H2 are about equal to, it is also assumed that H1 and H2 are equal.

When lighting apparatus 100 is applied, the first diffuser plate 21, part are directly arrived in the emitted light part of luminescence unit 32 First diffuser plate 21 is arrived at by the reflection of the first reflector 11, first by the diffusion of the first diffuser plate 21 after, part directly Arrive at the second diffuser plate 22, the second diffuser plate 22 is arrived in part by the reflection of the second reflector 12 again, by two secondary reflections and Diffusion so that the light projected finally by the second diffuser plate 22 is enough uniform.Relative to an only reflector in the prior art With the lighting apparatus of diffuser plate, spreading and reflect twice being capable of more preferable diffusing light so that the glazed thread of the second diffuser plate 22 is more Uniformly, it is ensured that the display effect of lighting apparatus, while also taking into account user's eye health.

Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.It is real especially for system Apply for example, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method Part explanation.

Embodiment of the present utility model is the foregoing is only, the utility model is not limited to.For this area For technical staff, the utility model can have various modifications and variations.All institutes within spirit of the present utility model and principle Any modification, equivalent substitution and improvements of work etc., should be included within right of the present utility model.

Claims (10)

1. a kind of lighting apparatus, it is characterised in that including：

Reflection subassembly, including the first reflector and the second reflector, the light inlet of second reflector and the described first reflection The light-emitting window connection of device；

Diffusion component, including the first diffuser plate and the second diffuser plate, first diffuser plate cover going out for first reflector Optical port, second diffuser plate covers the light-emitting window of second reflector；

Light source assembly, positioned at the light inlet of first reflector.

2. lighting apparatus as claimed in claim 1, it is characterised in that first diffuser plate is parallel with the second diffuser plate to be set Put.

3. lighting apparatus as claimed in claim 2, it is characterised in that the distance of first diffuser plate to the light source assembly It is equal with the distance of first diffuser plate to second diffuser plate.

4. lighting apparatus as claimed in claim 1, it is characterised in that first diffuser plate and the second diffuser plate are circle Shape, half of the diameter not less than the diameter of second diffuser plate of first diffuser plate.

5. lighting apparatus as claimed in claim 1, it is characterised in that the diffusion component includes being located at first reflector And the second transition part between reflector, the transition part is vertical annulus, and first diffuser plate is fastened in the transition part It is interior.

6. lighting apparatus as claimed in claim 5, it is characterised in that the diffusion component includes being located at second reflector Light-emitting window convergence part, the convergence part is vertical annulus, and second diffuser plate is fastened in the convergence part.

7. lighting apparatus as claimed in claim 6, it is characterised in that the internal diameter of the transition part is the one of the internal diameter of convergence part Half；The internal diameter of the light-emitting window of first reflector is equal with the internal diameter of the light inlet of second reflector, and described first is anti- The internal diameter of the light inlet of emitter is the half of the internal diameter of light-emitting window, and the internal diameter of the light inlet of second reflector is in light-emitting window The half in footpath.

8. lighting apparatus as claimed in claim 1, it is characterised in that the first reflector and the second reflector one into Type.

9. lighting apparatus as claimed in claim 1, it is characterised in that the light source assembly includes substrate and positioned at the base Luminescence unit on plate, the substrate is attached to the light inlet of first reflector, to cause the luminescence unit to be located at institute State the light inlet of the first reflector.

10. lighting apparatus as claimed in claim 1, it is characterised in that the lighting apparatus is Down lamp.