CN102563529A

CN102563529A - Antiglare assembly for luminaires

Info

Publication number: CN102563529A
Application number: CN2011103193093A
Authority: CN
Inventors: M·戈沃尼
Original assignee: Schneider Electric SpA
Current assignee: Schneider Electric Industrie Italia SpA; Schneider Electric SpA
Priority date: 2010-08-30
Filing date: 2011-08-30
Publication date: 2012-07-11
Also published as: EP2423566A1; ITBO20100528A1; IT1401653B1; EP2423566A8

Abstract

An antiglare assembly (1) for luminaires of the type comprises at least one translucent and transparent lamina (2), which substantially faces the light source (3) and is proximate thereto. The assembly (1) furthermore comprises a main body (4), which has a substantially curved cross-section and is provided with selective locking means (5) for a plate (6) for accommodating at least one light source (3). The translucent lamina (2) is comprised along the main body (4), arranged longitudinally, substantially at its central portion, and comprises adapted raised portions (7), recesses (8) and shaped portions (9) of at least one of its faces for the diffusion and redirection of the incident light radiation, subsequently transmitted through the lamina (2).

Description

The anti-dazzle assembly that is used for luminaire

Technical field

The present invention relates to a kind of anti-dazzle assembly that is used for luminaire, be particularly suitable for to be called generally luminaire and the lamp of the light emitting diode of LED as light source.

Background technology

Application of the present invention is particularly suitable for emergency light.

The known screen of taking to use the glare effect that reduces the strong especially light source of emission light: these screens provide the transparent panel of the general distribution prism of embossment based on employing.

They are particularly suitable for the situation of the light source of incandescent lamp, Halogen lamp LED, fluorescent lamp and metallic vapour lamp type.

Under many these situation, in fact the power of lamp be easy to allow through inserting the extra anti-dazzle special assembly that is used for and cause optical transmission performance to reduce.

If light source is replaced by LED, the plate of known type has the shortcoming that transmission performance excessively reduces, the lighting level of luminescence component worsens.

And the distribution of optical prism possibly be not suitable for the correct diffusion of the light radiation of LED emission.

Should be noted in the discussion above that LED is installed in the emergency light at present under the situation that does not adopt the supplementary protection screen.In this structure, if the light that LED sends directly seen by the user, can produce potential injury to its eyesight (be basic temporary pattern, but can not get rid of more serious result).

As a kind of alternative way, known employing light reflecting device, but its loss of the luminous flow of emission of luminous output that causes light source is up to 50%.

Should be noted that; IEC EN 62471 standards in 2008 (the photo bio security of lamp and lamp system) have been changed IEC 62471:2006/CIE and have been announced; It drafts the agreement that is based on CIE (the international committee of throwing light on), is intended to set up necessary indication for the photo bio security of estimating lamp and lamp system (comprising luminaire).

This standard need be used the means that are designed to protect eyes of user: so all luminaires must be abideed by the requirement that this standard sets.

Concerning the luminaire that provides LED formation light source, the application of this standard code has determined, uses the screen of known type, and the performance of the power of emission light beam and while luminaire all has very big decline.

Summary of the invention

Target of the present invention is to address the above problem, and proposes a kind of anti-dazzle assembly that is used for luminaire, and its people that are suitably for the indoor existence that luminaire installs eliminate the danger of dazzle.

In this target, the application's a purpose is to propose a kind of anti-dazzle assembly that is used for luminaire, and it is fit to through reducing luminous output loss so that luminescent properties and unit efficiency maximization.

Another purpose of the application is to propose a kind of anti-dazzle assembly that is used for luminaire, and its element by minimum number constitutes, thereby reduces production, assembling and storage cost.

The application's further purpose is to propose a kind of anti-dazzle assembly that is used for luminaire, and it has low cost, is provided in the practice relatively simply and application safety.

This target and these purposes realize by a kind of anti-dazzle assembly that is used for luminaire, this assembly comprise basically in the face of light source and with its at least one the most contiguous translucent and transparent sheet, it is characterized in that; It comprises main body, and this main body has the cross section of arc basically, and is provided with the selective lock device for the plate that holds at least one light source; Said translucent sheet is involved along said main body; Vertically arrange, and be positioned at the intermediate portion basically, said thin slice comprises its at least one surperficial adaptability bossing, groove and shaped portion; Be used for the scattering and the changed course of incident ray, pass said thin slice subsequently.

Description of drawings

Feature and advantage of the present invention will be embodied in according to the preferred of the anti-dazzle assembly that is used for luminaire of the present invention but the description of not exclusive embodiment more significantly, its through non-limitative example in subsequently illustrated, wherein:

Fig. 1 is the perspective view that is used for the anti-dazzle assembly of luminaire according to of the present invention;

Fig. 2 is the front view that is used for the anti-dazzle assembly of luminaire according to of the present invention;

Fig. 3 is the ratio enlarged drawing according to the part of the anti-dazzle assembly that is used for luminaire of the present invention;

Fig. 4 is the cutaway view of the IV-IV face intercepting along Fig. 2;

Fig. 5 is the side view that is used for the anti-dazzle assembly of luminaire according to of the present invention;

Fig. 6 is the cutaway view of the VI-VI face intercepting along Fig. 5;

Fig. 7 is the ratio enlarged drawing of a part of the cutaway view of Fig. 6;

The specific embodiment

Special in above-mentioned accompanying drawing, reference marker 1 is always indicated the anti-dazzle assembly that is used for luminaire.

Assembly 1 comprises at least one transparent and translucent sheet 2, and it is nearest in the face of light source 3 and with it basically.

According to the present invention, assembly 1 comprises main body 4, and it has the cross section of arc basically, and provides promising selective lock to be used to hold the device 5 of the plate 6 of at least one light source 3.

Should be noted that conveniently that translucent sheet 2 (its substantially transparent is so that it can easily be passed by the light of light source 3 emissions) is involved along main body 4, especially, it is vertically arranged with respect to main body, and is positioned at the intermediate portion basically.

Said thin slice 2 comprises its at least one surperficial adaptability bossing 7, groove 8 and shaped portion 9, is used for passing subsequently the scattering and the changed course of the incident ray that said thin slice 2 transmits.

If use the light emitting diode that is called LED (light emitting diode) as light source 3 (being contained on the plate 6) then can be effective especially according to assembly according to the present invention 1.

Especially, usually adopt a plurality of LED that require the distribution configuration of regulation according to luminescence technology; For example, special LED is arranged on the single file according to the organization plan shown in the accompanying drawing, and along said plate 6 equidistant placement.

Certainly, LED is along the surface distributed of plate 6, and this surface is to the inner surface of the translucent sheet 2 of main body 4.

The people who exists in the best scattering of the light that is sent for LED (light source 3) and the space of avoiding making the luminaire that is provided with assembly 1 to install is dazzling, and thin slice 2 comprises heart line, V-shaped basically basically therein vertical shaped portion 9.

The summit of V-arrangement is from the inner surface protrusion of main body 4, and the most approaching top that is contained at least one light source 3 on the corresponding plate 6.

Especially, with reference to the organization plan shown in the accompanying drawing, the top alignment of the summit of V-shaped part 9 and the LED that aims at along plate 6.

More particularly, thin slice 2 is included in the bossing 7 (do not get rid of and also be arranged on it on interior surface) of its a plurality of prism shapes that distribute on the outer surface.

Bossing 7 can be shaped as the similar rule prism, and similar pyramid (for example having at the square end): under any circumstance, not getting rid of according to the specific (special) requirements of using provides the bossing 7 with hemispherical or semielliptical shape.

Undoubtedly help the special structural scheme putting into practice and use according to one; Because the required component number of the proper operation of assembly 1 is minimized; On the corresponding of main body 4 and the inner edge 10 faced, locking device 5 comprises the corresponding shoulder frame 11 of the corresponding girth part that is used for gripper shoe 6 (being designed to hold at least one light source 3).

According to this structural scheme, plate 6 is installed on the main body 4, therefore its girth partly is arranged on the shoulder frame 11, produces the result as the elastic deformation (broadening along with the increase of the phase mutual edge distance between the inner edge 10 of main body 4) of main body 4.

Point out that extremely importantly main body 4 comprises elasticity protrusion element 12, it has end tooth 13, and is designed to the respective seat that elasticity coupled illumination device removably is installed in fixed housing wherein.Fixed housing also comprises the reflection paraboloid that is used for towards the space transmission ray that is illuminated usually.

Especially, luminaire comprises: be used for fixing the shell to installation surface, have the insertion of adaptation coupling element (like suspension unit or installation bracket) alternatively; Said at least one light source 3 is connected to corresponding power supply circuits; And at least one screen, it is partially transparent at least, and can with case function on be associated, this screen cover to and be adjacent at least one light source 3.

According to the present invention, luminaire further comprises the plate 6 that is used for supporting at desirable align structures at least one light source 3.

The main body 4 of the cross section of arc constitutes screen by having basically.

Main body 4 is provided with the selective lock device 5 for the plate 6 that holds at least one light source 3.

At least the partially transparent zone of screen is involved along main body 4; Vertically be provided with, part basically therebetween, and comprise its at least one surperficial adaptability bossing 7, groove 8 and shaped portion 9; Be used for the scattering and the changed course of incident ray, pass said zone subsequently.

Even in the situation of isolated plant, what be convenient to appointment is that if at least one light source 3 that is contained on the plate 6 is the light emitting diodes that are called LED (light emitting diode), the present invention is effective especially.If adopt a plurality of LED, its appropriate coupling also is distributed on the plate 6.

The corresponding shoulder frame 11 that must comprise the corresponding girth part (for holding at least one light source 3) that is used for and inner edge 10 upper backup pads 6 faced corresponding according to the main body 4 of luminaire of the present invention at it.

Also in this case, partly cooperate through its girth and be supported on the elastic deformation generation of the installation of the plate 6 of shoulder on the frame 11 through said main body 4.

The assembly 1 that the present invention proposes is assemblied on the reflection paraboloid, and can not dismantle by any way.The luminous bundle of this assembly 1 each LED of scattering minimizes the loss of (being no more than 5%) luminous output, and guarantees effectively according to the vision security of also abideing by special statutory provision (IEC 62471:2006-EN A62471:2008).

Even in the embodiment of the functional experiment of luminaire; This assembly can not cause and anyly is opened with dazzling the eyes problem: in maintenance process, therefore, even the operator is protected anti-glare; Owing to, must remove the whole assembly 1 that light source 3 connects through plate 6 for access light source 3.

Advantage with respect to previous method provided by the invention is a lot.

At first, in fact it guaranteed to specify the raising of the operator's who maintains luminaire security, because it comprises fixing anti-dazzle protection system.

And the refraction of light in luminaire 2 guaranteed in the employing of assembly 1, has the width of the emission light beam that must increase, and particularly LED is generally comprised between 60 ° and 120 °.

What should not ignore is that adopt assembly 1 also to minimize the aesthetic influence on the luminaire: conventional screen is installed on the standard screen of device itself usually, and sacrifices its outward appearance.

Advantageously, the invention solves the problems referred to above, propose to be used for the anti-dazzle assembly 1 of luminaire, its people that are suitable for the indoor existence that this device installs eliminate the danger of dazzle.

Positively, the anti-dazzle assembly 1 that is used for luminaire is suitable for the luminescent properties and the efficient of maximum illumination device, reduces luminous output loss.

Usefully, the anti-dazzle assembly 1 that is used for luminaire is made up of the element of minimum number, thereby reduces production, installation and storage cost.

Therefore can expect that the present invention allows many improvement and variation, all these is in the scope of the present invention's design; All details can be further by other element replacement of technical equivalence.

Shown in the example of embodiment in, in fact the independent characteristic that provides about object lesson can exchange with other different characteristic of existing in other example of embodiment.

And, it should be noted known any failed call and theme of all being interpreted as of in the patent application process, finding for abandoning.

In fact, as required and state-of-art, used material and size can be arbitrarily.

Claims

1. anti-dazzle assembly that is used for luminaire, comprise basically in the face of light source (3) and with its at least one the most contiguous translucent and transparent sheet (2), it is characterized in that; It comprises main body (4), and said main body has the cross section of arc basically, and is provided with the selective lock device (5) for the plate (6) that holds at least one light source (3); Said translucent sheet (2) is involved along said main body (4); Vertically arrange, and be positioned at the intermediate portion basically, said thin slice (2) comprises its at least one surperficial adaptability bossing (7), groove (8) and shaped portion (9); Be used for the scattering and the changed course of incident ray, pass said thin slice (2) subsequently.

2. device according to claim 1 is characterized in that, said at least one light source (3) that is contained on the said plate (6) is a light emitting diode.

3. device according to claim 2 is characterized in that, each plate (6) comprises a plurality of light emitting diodes along its surface distributed, and said surface is to the inner surface of the said translucent sheet (2) of said main body (4).

4. device according to claim 1; It is characterized in that; Said thin slice (2) comprises vertical shaped portion heart line place, V-shaped basically (9) basically therein; The summit of said V-arrangement is from the inner surface protrusion of said main body (4), and the most approaching top that is contained at least one light source (3) on the corresponding plate (6).

5. device according to claim 1 is characterized in that, said thin slice (2) is included in the bossing (7) of its a plurality of prism-like that on outer surface, distribute.

6. device according to claim 1; It is characterized in that; On the corresponding of said main body (4) and the inner edge (10) faced; Said locking device (5) comprises the corresponding shoulder frame (11) of the corresponding girth part that is used for supporting the said plate (6) that holds at least one light source (3), and the said plate (6) that its girth is partly arranged and stably is contained on the said shoulder frame (11) is installed through the elastic deformation of said main body (4).

7. according to the one or more described device in the aforementioned claim; It is characterized in that; Said main body (4) comprises elasticity protrusion element (12), and said elasticity protrusion element is provided with end tooth (13), and is designed to the respective seat that elasticity removably is coupled in the fixed housing of said luminaire.

8. a luminaire comprises: be used for fixing the shell to installation surface, even have the insertion that adapts to coupling element; At least one light source (3) is connected to corresponding power supply circuits; And at least one screen of partially transparent at least, can with said case function on related, and in the face of and the most contiguous said at least one light source (3); It is characterized in that; It comprises the plate (6) that is used for supporting at desirable align structures said at least one light source (3), and the main body of the cross section of arc (4) constitutes said screen by having basically, and said main body (4) is provided with the selective lock device (5) for the said plate (6) that holds at least one light source (3); At least the partially transparent zone of said screen is involved along said main body (4); Vertically arrange, and be positioned at the intermediate portion basically, and comprise its at least one surperficial adaptability bossing (7), groove (8) and shaped portion (9); Be used for the scattering and the changed course of incident ray, pass said zone subsequently.

9. luminaire according to claim 8 is characterized in that, said at least one light source (3) that is contained on the said plate (6) is the light emitting diode that is called LED (light emitting diode), and said LED coupling also is distributed on the said plate (6).

10. luminaire according to claim 8; It is characterized in that; Said main body (4) comprises that being used for inner edge (10) corresponding at it and that face goes up the corresponding girth corresponding shoulder frame (11) partly that supports the said plate (6) that holds at least one light source (3), and the said plate (6) that its girth partly supports and stably is contained on the said shoulder frame (11) is installed through the elastic deformation of said main body (4).