CN109681807A

CN109681807A - Lamps and lanterns

Info

Publication number: CN109681807A
Application number: CN201810720173.9A
Authority: CN
Inventors: 陈庆仲; 吴伟乐; 符光奖
Original assignee: QUANYIDA TECHNOLOGY (FOSHAN) Co Ltd
Current assignee: QUANYIDA TECHNOLOGY (FOSHAN) Co Ltd
Priority date: 2018-07-03
Filing date: 2018-07-03
Publication date: 2019-04-26
Anticipated expiration: 2038-07-03
Also published as: CN109681807B

Abstract

A kind of lamps and lanterns include a lamp holder, a lamp bar and a blue-tinted transparent film.A groove is opened up on the lamp holder.The lamp bar is arranged in the bottom portion of groove.The blue-tinted transparent film is covered on the groove inner wall, and is arranged with the lamp bar interval.

Description

Lamps and lanterns

Technical field

The present invention relates to a kind of lamps and lanterns more particularly to a kind of lamps and lanterns of adjustable color tolerance.

Background technique

Color tolerance refers to the deviation of light source and standard sources chromaticity, with SDCM (standard deriation of color Matching, standard color-mixture deviation) it indicates.Color tolerance is an important factor for considering light quality.Since people are with correlated colour temperature CCT (correlated colour temperature) characterizes the colour temperature of light source, i.e., launches by comparing a light source At photochromic and a certain temperature black matrix (such as platinum) radiation it is photochromic closest to when, the temperature of black matrix at this time is just expressed as light source Colour temperature (i.e. colour temperature).With the light source of color temperature, if color tolerance is excessive, color also can be inconsistent, can obviously be seen by human eye It observes.

It therefore, cannot be excessive as the lamps and lanterns color tolerance of light source.At present national requirements lamps and lanterns color tolerance control 5 ranks with Interior (SDCM≤5).But the structure of ordinary lamp and lantern is simple, without corresponding regulation measure, color tolerance it is more difficult to control 5 ranks with It is interior.

Summary of the invention

In view of this, it is necessary to provide a kind of lamps and lanterns of adjustable color tolerance.

A kind of lamps and lanterns include a lamp holder, a lamp bar and a blue-tinted transparent film.A groove is opened up on the lamp holder.It is described Lamp bar is arranged in the bottom portion of groove.The blue-tinted transparent film is covered on the groove inner wall, and sets with the lamp bar interval It sets.

In lamps and lanterns provided by the invention, the blue-tinted transparent film is pasted by the groove inner wall in lamps and lanterns, improves institute The colour temperature of lamps and lanterns emergent ray is stated, and reduces the color tolerance that the lamps and lanterns emit beam.

Detailed description of the invention

Fig. 1 is the stereoscopic schematic diagram of lamps and lanterns of the invention.

Fig. 2 is the dismantling schematic diagram of lamps and lanterns of the invention.

Fig. 3 is the blue light accounting figure for the emergent ray that lamps and lanterns add before and after blue-tinted transparent film.

Fig. 4 A is the color tolerance schematic diagram for the emergent ray that lamps and lanterns add before blue-tinted transparent film.

Fig. 4 B is the color tolerance schematic diagram for the emergent ray that lamps and lanterns add after blue-tinted transparent film.

Main element symbol description

Lamps and lanterns 100

Lamp holder 10

Upper surface 12

Lower surface 14

Groove 120

Lamp bar 20

Annulus 22

Illuminator 24

Light guide plate 30

Blue-tinted transparent film 40

Light exit cover 50

First part 52

Second part 54

Central axes O

The present invention that the following detailed description will be further explained with reference to the above drawings.

Specific embodiment

Referring to Figure 1 and Fig. 2, the lamps and lanterns 100 of one embodiment of the invention include a lamp holder 10, a lamp bar 20, a light guide plate 30, a blue-tinted transparent film 40 and a light exit cover 50.The lamp bar 20, light guide plate 30 and blue-tinted transparent film 40 are located at described In lamp holder 10.The light exit cover 50 is located on the end face of the lamp holder 10.

It specifically, include the upper surface 12 being disposed opposite to each other and a lower surface 14 on the lamp holder 10.The upper surface 12 are parallel to the lower surface 14.A groove 120 is offered on the upper surface 12.The groove 120 runs through the upper surface 12 and terminate in the lower surface 14.The lamp holder 10 can be any shape.Preferably, the lamp holder 10 be it is cylindric or Square block.In present embodiment, the lamp holder 10 is cylindrical.

The lamp bar 20 is for providing light source.The lamp bar 20 is fixed at the bottom of the groove 120.This embodiment party It is described annular in shape to lamp bar 20 in formula.The lamp bar includes an annulus 22 and multiple illuminators 24.The multiple illuminator 24 are arranged at intervals on the inner wall of the annulus 22, and the multiple illuminator 24 is equidistantly positioned.Specifically, the lamp bar 20 are fastened on the bottom of the groove 120, and mutually paste with the inner wall of the groove 120.

The light guide plate 30 is used to guide the direction of propagation of 20 emitted light of lamp bar.The fixation of light guide plate 30 is set It sets in the groove 120, and is spaced and is arranged with the lamp bar 20.The size of the light guide plate 30 is big with the groove 120 It is small to be adapted.In present embodiment, the light guide plate 30 is circular sheet.The light guide plate 30 is parallel to the upper surface 12.

The blue-tinted transparent film 40 is covered in the inner wall of the lamp holder 10.The blue-tinted transparent film 40 is located on described Between surface 12 and the light guide plate 30, and between the two every setting.In present embodiment, the blue-tinted transparent film 40 is parallel In the upper surface 12.The blue-tinted transparent film 40 is cyclic annular circle body.Since the multiple illuminator 24 is in the light of sending During, the light projected can be absorbed by the material in the lamps and lanterns 100.And in absorbed light, blue light Account for larger proportion.After the blue-tinted transparent film 40 is covered in the inner wall of the lamp holder 10, light is from the blue-tinted transparent film The blue light that can compensate in the lamps and lanterns 100 is passed through in 40, to promote colour temperature, reduce color tolerance.User can be according to colour temperature The size of offset come determine be added the blue-tinted transparent film 40 color intensity the depth.Colour temperature reduces more, is added The blue-tinted transparent film 40 color also will be opposite it is deeper.

The opening of the groove 120 is arranged in the light exit cover 50.The light exit cover 50 includes first part 52 and the Two parts 54.The first part 52 and the outer wall of the lamp holder 10 fit, and substantially coincide with the outer wall.Described Two parts 54 fit with the upper surface 12.The second part 54 is perpendicular to the first part 52, and towards close to described The direction of 10 central axes of lamp holder extends.The second part 54 is located at the surface of the blue-tinted transparent film 40, and then described Blue-tinted transparent film 40 is blocked completely by the second part 54.

In other embodiments, the light exit cover 50 is an integral molding structure with the lamp holder 10.

When installation, the lamp bar 20 is first placed on to the bottom of the groove 120.Preferably, the lamp bar 20 is placed In the central location of 120 bottom of groove.Then, the light guide plate 30 is placed in the inside of the groove 120.It is described to lead Tabula rasa 30 is fixed on the inner wall of the groove 120, and is spaced and is arranged with the lamp bar 20, and be parallel to the upper surface 12.It connects , the blue-tinted transparent film 40 is arranged in the inner wall of the groove 120, and be located at the upper surface 12 and the light guide plate Between 30.The blue-tinted transparent film 40 is set to be parallel to the upper surface 12 and the light guide plate 30.Finally, by the light exit cover 50 are fixed on the opening of the groove 120, and the second part 54 is made to shelter from the blue-tinted transparent film 40 completely, thus Complete the installation of the lamps and lanterns 100.

Referring to Fig. 3, installing the blue light accounting of the 40 front and back emitted light of blue-tinted transparent film for the lamps and lanterns 100 Figure.Abscissa is wavelength of light, and unit is nanometer；Ordinate is spectral power, and unit is every nanometer of milliwatt.It is apparent that described Lamps and lanterns 100 are after being added the blue-tinted transparent film 40 (blue blue-tinted transparent film).The light for the light that the lamps and lanterns 100 issue Spectrum blue light accounting is promoted, and is promoted to 2.14827% by original 2.02576%.That is, can after addition blue transparent membrane The blue light accounting for promoting spectrum, to promote colour temperature.

A and Fig. 4 B referring to Figure 4 together installs 40 front and back of blue-tinted transparent film by the lamps and lanterns 100 and issues light The color tolerance difference measurements figure of line.It is apparent that the blue-tinted transparent film 40 (blue blue-tinted transparent film) is being added in the lamps and lanterns 100 Afterwards.The color tolerance for the light that the lamps and lanterns 100 issue reduces, and is down to 3.8SDCM by original 6.5SDCM.That is, addition blue Color tolerance can be obviously reduced after transparent membrane.

In lamps and lanterns 100 of the invention, the blue-tinted transparent film 40 is pasted by 120 inner wall of groove in lamps and lanterns 100, is mentioned The colour temperature of 100 emergent ray of lamps and lanterns has been risen, and has reduced the color tolerance that the lamps and lanterns 100 emit beam.

It is understood that for those of ordinary skill in the art, can do in accordance with the technical idea of the present invention Various other changes and modifications out, and all these changes and deformation all should belong to the protection model of the claims in the present invention It encloses.

Claims

1. a kind of lamps and lanterns, comprising:

One lamp holder opens up a groove thereon；

One lamp bar is arranged in the bottom portion of groove；

One blue-tinted transparent film is covered on the groove inner wall, and is arranged with the lamp bar interval.

2. lamps and lanterns as described in claim 1, it is characterised in that: the lamps and lanterns include a light exit cover, and institute's light exit cover is located at described The opening of groove simultaneously surrounds the groove, and the light exit cover is located at the surface of the blue-tinted transparent film, shelters from completely The blue-tinted transparent film.

3. lamps and lanterns as claimed in claim 2, it is characterised in that: the light exit cover includes a first part and a second part, The first part is covered in the outer wall of the lamp holder, and the second part is perpendicular to the first part, and towards close to described The direction of lamp holder axis extends.

4. lamps and lanterns as described in claim 1, it is characterised in that: the blue-tinted transparent film is cyclic annular circle body.

5. lamps and lanterns as claimed in claim 2, it is characterised in that: the blue-tinted transparent film is set with the light exit cover parallel interval It sets.

6. lamps and lanterns as claimed in claim 3, it is characterised in that: the lamp holder include a upper surface and a lower surface, it is described on Surface is disposed opposite to each other with the lower surface, and the second part pastes on the upper surface, the blue-tinted transparent film parallel In the upper surface.

7. lamps and lanterns as described in claim 1, it is characterised in that: the lamp bar is fixed on the central location of the bottom portion of groove.

8. lamps and lanterns as described in claim 1, it is characterised in that: the lamps and lanterns further include a light guide plate, and the light guide plate is located at Between the blue-tinted transparent film and the lamp bar, and it is spaced apart from each other with the lamp bar and the blue-tinted transparent film.

9. lamps and lanterns as claimed in claim 8, it is characterised in that: the shape of the light guide plate and the shape of the groove are mutually fitted It answers.

10. lamps and lanterns as claimed in claim 2, it is characterised in that: the light exit cover is an integral molding structure with the lamp holder.