CN214840261U - Polarized lamp holder and desk lamp - Google Patents

Abstract

The application provides polarisation lamp holder and desk lamp, it can send light to the light source and carry out twice reflection, realizes the polarisation function, both can alleviate lamp holder weight, can satisfy the optical property of better promotion desk lamp on the AA level illuminance level basis again, brings better use for the customer and experiences, provides good study, work lighting environment. The polarized lamp holder comprises a lamp shade, a light source, a first reflecting piece and a second reflecting piece. At least part of light emitted by the light source is reflected by the first reflecting piece, then reflected by the second reflecting piece and finally emitted out through the light outlet, so that the polarization function of the polarized desk lamp is realized.

Description

Polarized lamp holder and desk lamp

Technical Field

The utility model relates to a lighting apparatus field, in particular to polarisation lamp holder and desk lamp.

Background

The light emitting modes of reading and writing operation (eye protection) table lamps in the market are mainly two light emitting modes of direct light emitting and side light emitting, and the illumination level can reach A-level or AA-level standards; the light that wherein the side is luminous is that the light source sent goes out light after the light guide plate refraction, realizes the effect that the lamp is not seen to the light, and such light is more soft comfortable for the straight following formula is luminous, but among the luminous light-emitting mode of side, the light guide plate ratio of desk lamp holder is heavier, causes certain bearing pressure for the lamp holder.

SUMMERY OF THE UTILITY MODEL

For solving the problem of current desk lamp holder overweight, the utility model aims to provide a polarisation lamp holder and have desk lamp of this polarisation lamp holder, the indirect light-emitting mode of desk lamp can be realized to the polarisation lamp holder, lightens lamp holder weight to realize the polarisation function of desk lamp, satisfy the optical property of the better promotion desk lamp on AA level illuminance level basis, for the customer brings better use experience, provide good study, work lighting environment.

Specifically, the utility model discloses a technical scheme do:

a polarized lighthead, comprising: the lampshade is provided with a light outlet; the light source is arranged in the lampshade; the first reflecting piece is arranged in the lampshade; the second reflecting piece is arranged in the lampshade, the first reflecting piece and the second reflecting piece are arranged at intervals, the reflecting surface of the first reflecting piece is opposite to the reflecting surface of the second reflecting piece, and at least part of light rays emitted by the light source are reflected by the first reflecting piece, then reflected by the second reflecting piece and finally emitted through the light outlet.

Optionally, a first transmissive element is disposed inside the lamp cover between the first reflective element and the second reflective element; at least part of light emitted by the light source passes through the first transmission piece after being reflected by the first reflection piece, is reflected by the second reflection piece and is finally emitted out through the light outlet.

Optionally, a second transmission piece is connected in the light outlet.

Optionally, the light source includes a light source plate horizontally or obliquely disposed on an upper portion of an inner side of the lamp shade, and a light emitting member disposed on a surface of the light source plate facing the first reflecting member; a light mixing cavity is formed on the inner side of the lampshade between the first reflecting part and the first transmitting part, and the light emitting part is positioned in the light mixing cavity; the horizontal distance between one end, close to the luminous element, of the reflecting surface of the first reflecting element and the center of the luminous element is D1, the horizontal distance between the upper part of the surface of the second transmitting element, opposite to the reflecting surface of the first reflecting element, and the center of the luminous element is D2, and D1 is D2, or D1 is more than D2, or D1 is less than D2.

Optionally, at least one side adjacent to the side of the first reflecting member and the second reflecting member is connected through a connecting plate to form an integrated structure of the first reflecting member and the second reflecting member, the first reflecting member, the connecting plate and the second reflecting member are assembled to form a reflector, and the reflector is detachably arranged on the inner side of the lampshade.

Optionally, the reflecting surface of the first reflecting member is a first reflecting surface, and the first reflecting surface is an arc surface; the cambered surface is a smooth cambered surface; or the cambered surface is formed by a plurality of micro structures, and the micro structures are micro-arris structures, scale structures or polygonal structures.

Optionally, the reflecting surface of the second reflecting piece is a second reflecting surface, and the second reflecting surface is an arc surface; the cambered surface is a smooth cambered surface; or the cambered surface is a cambered surface consisting of a plurality of microstructures, and the microstructures are micro-arris structures, scale microstructures or polygonal structures.

Optionally, the lampshade comprises an upper cover and a lower cover detachably and internally connected to the upper cover, the light outlet is arranged on the bottom surface of the lower cover, and a bottom plate is connected in the bottom surface of the lower cover, which is located outside the light outlet; the orthographic projection of the luminous piece on the bottom surface of the lower cover is positioned outside the light outlet; the orthographic projection of the light mixing cavity on the bottom surface of the lower cover is positioned outside the light outlet.

Optionally, the cross-sectional shape of the first reflecting member is an arc, one end of the first reflecting member abuts against one surface of the light source board on which the light emitting member is disposed, and the other end of the first reflecting member abuts against the lower portion of one surface of the first transmitting member facing the first reflecting member; the cross-sectional shape of second reflection piece is the arc, the one end of second reflection piece with first penetrating piece deviates from the upper portion of first reflection piece one side and leans on, the other end of second reflection piece extends to light-emitting outlet.

The utility model also provides a desk lamp, the polarisation lamp holder that this desk lamp had can realize indirect light-emitting, can increase the space utilization of working face, can reduce the glare and the ghost image problem of desk lamp again.

In order to achieve the above object, the present invention provides a desk lamp, which comprises the polarized lamp holder as described above.

Compared with the prior art, the utility model discloses a light source, see through the cooperation design of piece and reflection part, make at least partial light that the light source sent go out light again after twice reflection, realize the indirect light-emitting of desk lamp, avoid directly penetrating the light-emitting, when lightening lamp holder weight, realize the polarisation function, can increase the space utilization of working face, can reduce the glare and the ghost image problem of desk lamp again, satisfy the optical property of better promotion desk lamp on the basis of AA level illuminance level, bring better use for the customer and experience, provide good study, the work lighting environment.

Drawings

The technical solution and other advantages of the present invention will become apparent from the following detailed description of the embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 to 5 are structural diagrams of a polarized light lamp holder according to an exemplary embodiment of the present invention;

wherein, fig. 1 is a perspective exploded view of a polarized light head; FIG. 2 is a cross-sectional view of the assembled polarized light head; FIG. 3 is a perspective view of the assembled polarized light head; FIG. 4 is a top view of FIG. 3; FIG. 5 is a bottom view of FIG. 3;

fig. 6 is a schematic diagram of light spots formed by a polarized light head in an irradiation region according to an exemplary embodiment of the present invention;

fig. 7 is a schematic diagram of a light distribution curve of a polarized light head according to an exemplary embodiment of the present invention;

in fig. 7, the light distribution curve with a larger area is a light distribution curve parallel to the long side of the base, and the light distribution curve with a smaller area is a light distribution curve parallel to the short side of the base.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Fig. 1 to 5 are structural views of a polarized light lamp holder according to an exemplary embodiment of the present invention. Wherein, fig. 1 is a perspective exploded view of a polarized light head; FIG. 2 is a cross-sectional view of the assembled polarized light head; FIG. 3 is a perspective view of the assembled polarized light head; FIG. 4 is a top view of FIG. 3; fig. 5 is a bottom view of fig. 3.

The polarized light lamp holder can emit light after reflecting light emitted by the light source, and the polarized light function is realized. As a typical application, the polarized light base can be applied to lighting fixtures such as reading and writing desk lamps and work desk lamps. Especially for the illumination lamp which needs to reduce the whole weight of the lamp holder and ensure the softness of the light emitted to protect the eyesight, the polarized lamp holder of the embodiment can fully exert the advantages.

As shown in fig. 1 to 5, the polarized light head 100 may include a lamp housing 20, a light source 30, a first reflector 40, a second reflector 50, and the like. The lamp cover 20 is provided with a light outlet 21, the first reflecting member 40 and the second reflecting member 50 are arranged at intervals, and the second reflecting surface 51 of the second reflecting member 50 is opposite to the first reflecting surface 41 of the first reflecting member 40. The first reflector 40 reflects at least a portion of the light emitted from the light source 30, and then reflects the light again through the second reflector 50, and then exits through the light exit 21. The lamp housing 20 includes an upper cover 22 and a lower cover 23 detachably attached to the upper cover 22. The shape of the lampshade 20 is a strip shape, and both ends in the length direction of the polarized light lamp holder 100 (or both ends in the length direction of the upper cover 22) are arc-shaped or square or in other shapes, specifically based on actual production and customer requirements; the detachable connection between the upper cover 22 and the lower cover 23 of the lampshade 20 can be realized by a hook mode, a buckle mode or other modes as long as the lower cover 23 is detachably connected with the upper cover 22 in an inner mode.

The light source 30 includes a light source plate 31 horizontally or obliquely disposed at an upper portion of an inner side of the lamp housing 20 and a light emitting member 32 disposed at a surface of the light source plate 31 facing the first reflecting member 40. The light source plate 31 is suspended from the inner upper portion of the lamp housing 20. The illuminating member 32 can be an LED lamp or other lighting lamps, and the illuminating member 32 is in the shape of a strip or a belt.

The light outlet 21 is arranged on the bottom surface of the lower cover 23, and a bottom plate 231 is inscribed on the bottom surface of the lower cover 23 and positioned outside the light outlet 21; the orthographic projection of the light emitting element 32 on the bottom surface of the lower cover 23 is located outside the light outlet 21, specifically, in this embodiment, the orthographic projection of the light emitting element 32 on the bottom surface of the lower cover 23 falls on the bottom plate 231, so as to form a staggered arrangement between the light emitting element 32 and the light outlet 21. The light emitting elements 32 and the light outlets 21 are arranged in a staggered manner, so that most of light rays emitted by the light emitting elements 32 can be reflected for the first time through the first reflecting elements 40, the light rays emitted by the light emitting elements 32 are prevented from being directly emitted from the light outlets 21 without being reflected, and the ratio of direct light rays is greatly reduced.

The first reflecting surface 41 serves as an optical acting surface of the first reflecting member 40, and in this embodiment, the first reflecting surface 41 may be a smooth arc surface. In another embodiment, the first reflective surface 41 can be made into an optical microstructure by a variety of methods: micro-arris, scale, polygon and other microstructures, for example, the micro-arris microstructure is made on the surface, and can have a certain stretching effect on light; the surface is made into scales, and the scales have light mixing effect on light; the higher the reflectivity of the first reflector 40 is, the higher the total luminous efficacy is improved.

The second reflecting surface 51 is an optically active surface of the second reflecting member 50, and in this embodiment, the second reflecting surface 51 may be a smooth arc surface. In another embodiment, the second reflective surface 51 can also be made into an optical microstructure, and the microstructure can be made in various ways: micro-arris, scale, polygon and other microstructures, for example, the micro-arris microstructure is made on the surface, and can have a certain stretching effect on light; the surface is made into a scale microstructure which has light mixing effect on light; the higher the reflectivity of the second reflector 50 is, the higher the total luminous efficiency is.

Referring to fig. 1 and 2, in another embodiment of the present invention, a first transmissive member 60 is disposed inside a lamp housing 20 between a first reflective member 40 and a second reflective member 50, and in this embodiment, a polarized lamp cap 100 includes the lamp housing 20, a light source 30, the first reflective member 40, the second reflective member 50, and the first transmissive member 60. The first reflecting surface 41 of the first reflecting member 40 reflects at least a part of the light emitted from the light emitting member 32 of the light source 30, and then passes through the first transmitting member 60, and the second reflecting surface 51 of the second reflecting member 50 reflects the passed light for the second time, and finally exits through the light exit 21. The first transparent member 60 in this embodiment is a transparent material (e.g. a diffusion plate) with a certain diffusion effect, and performs a certain degree of diffusion and transmission on the light reflected by the first reflective member 40, so that the transmittance is high, and the light efficiency of the whole lamp is improved to a certain extent. From this, through the cooperation design of first reflection part 40 and second reflection part 50, and first see through piece 60 to the seeing through of first reflection part 40 reverberation, the diffusion effect, both can carry out twice reflections to at least partial light that the illuminating part 32 of light source 30 sent, fully realize the polarisation function of polarisation lamp holder 100, effectively avoid illuminating part 32 to send the perpendicular incidence of light, it is softer still to make light-emitting light, satisfy the optical property of better promotion desk lamp on the basis of AA level illuminance grade, bring better use experience for the customer, provide good study, the work lighting environment.

In this embodiment, referring to fig. 2, the cross-sectional shape of the first reflecting member 40 is an arc, one end of the first reflecting member 40 abuts against a surface of the light source board 31 where the light emitting member 32 is disposed, and the other end of the first reflecting member 40 abuts against a lower portion of a surface of the first transmitting member 60 facing the first reflecting member 40; the cross-sectional shape of the second reflecting member 50 is an arc, one end of the second reflecting member 50 abuts against the upper portion of the first transmitting member 60 facing away from the first reflecting member 40, and the other end of the second reflecting member 50 extends to the light outlet 21.

In this embodiment, a light mixing cavity 201 is formed inside the lamp housing 20 between the first reflecting member 40 and the first transmitting member 60, and the light emitting member 32 is located in the light mixing cavity 201, that is, the light emitting member 32 of the light source 30 is located between the first reflecting member 40 and the first transmitting member 60. Due to the existence of the first reflection surface 41 of the first reflection member 40 and the cooperation with the first transmission member 60 (diffusion plate), the light emitted by the light emitting member 32 can be distributed in the light mixing cavity 201, the light mixing cavity 201 can mix the light emitted by the light emitting member 32, and the light emitted by the polarized light lamp holder 100 is soft and uniform.

In another embodiment of the present invention, the polarized light base 100 includes a lamp housing 20, a light source 30, a first reflector 40, a second reflector 50, a first transmissive member 60, and a second transmissive member 70. The second transmissive member 70 is inscribed in the light exit 21. In this embodiment, the second transmissive element 70 includes an installation portion 71 and an exit portion 72 connected in sequence, the exit portion 72 is disposed at the light exit 21, and the exit portion 72 corresponds to the light exit end of the second reflective surface 51. The bottom surface of the first reflecting member 40 is disposed on the mounting portion 71. The first reflecting surface 41 of the first reflecting member 40 reflects at least a portion of the light emitted from the light emitting member 32 of the light source 30 for the first time, the light passes through the first transmissive member 60 after being reflected for the first time, and the second reflecting surface 51 of the second reflecting member 50 reflects the light passing through the first transmissive member 60 for the second time, and then emits the light through the light emitting portion 72 of the second transmissive member 70. Therefore, by the matching design of the first reflector 40 and the second reflector 50, at least part of the light emitted by the light emitting element 32 of the light source 30 can be reflected twice and then emitted by the light emitting part 72, so that the polarization function of the polarized light head 100 can be fully realized.

The light emitting portion 72 in this embodiment is a transmissive material (e.g., a diffuser plate) with a certain diffusion effect, and performs a certain degree of diffusion and transmission on the light reflected by the second reflector 50, so that the transmittance is high, and the light efficiency of the entire lamp is improved to a certain extent. The lower end surface of the first transmissive member 60 is provided on the upper surface of the second transmissive member 70 located between the mounting portion 71 and the light exit portion 72. After at least part of the light emitted by the light emitting element 32 of the light source 30 is reflected by the first reflecting surface 41 of the first reflecting element 40, the light passes through the first light transmitting element 60, is reflected for the second time by the second reflecting surface 51 of the second reflecting element 50, and finally passes through the light emitting part 72 of the second light transmitting element 70 to be emitted.

The surface of the light emitting portion 72 of the second transmissive member 70 in this embodiment may be a smooth surface. In another embodiment, the surface of the light-emitting portion 72 can be made into a micro-structured surface, which can be formed by a plurality of methods: micro-arris, scale, polygon and other microstructures, for example, micro-arris microstructures can have a certain stretching effect on light; the surface is made into scale nails which have the function of light mixing.

In another embodiment of the present invention, referring to fig. 2, the horizontal distance between the end of the first reflecting surface 41 of the first reflecting member 40 close to the light emitting member 32 and the center of the light emitting member 32 is D1, the horizontal distance between the surface of the second transmitting member 70 opposite to the first reflecting surface 41 and the center of the light emitting member 32 is D2, and D1 is D2, D1 > D2, or D1 < D2. The relative position relationship between D1 and D2 determines the horizontal distance between the first reflective surface 41 and the first transmissive element 60, and further determines the transmission and diffusion effects of the first transmissive element 60 on the reflected light of the first reflective surface 41, and the relative position relationship between D1 and D2 can be determined according to actual needs and customer requirements. Wherein, the center of the light emitting member 32 is: if the sectional shape of the light emitting member 32 is rectangular, a line which bisects the rectangular section of the light emitting member 32 in the vertical direction as shown in fig. 2 is taken as a center line of the light emitting member 32; if the cross-section of the light emitting member 32 is semicircular or circular, a line bisecting the semicircular or circular cross-section of the light emitting member 32 in the vertical direction as shown in fig. 2 is a center line of the light emitting member 32.

In an embodiment of the present invention, at least one side of the first reflector 40 and the second reflector 50 adjacent to each other is connected by a connecting plate 80 to form an integral structure of the first reflector 40 and the second reflector 50, and the first reflector 40, the connecting plate 80 and the second reflector 50 are assembled to form the reflector 90. in this embodiment, the reflector 90 is detachably disposed inside the lamp cover 20, and the assembling manner is multiple, such as the hook-type assembling shown in fig. 1, and other assembling manners can be adopted, as long as the detachable assembling of the reflector 30 in the lamp cover 20 is satisfied. In another embodiment, the reflector 90 may be fixedly mounted within the housing 20. In yet another embodiment, the first reflective element 40 and the second reflective element 50 may be a split structure.

The utility model also provides a desk lamp, desk lamp as before polarized light lamp holder 100, the current desk lamp structure can be referred to all the other positions of desk lamp.

Referring to fig. 6 and 7, adopt the utility model provides a polarisation lamp holder 100's desk lamp (or other lamps and lanterns for illumination), form a little rectangle facula similar to the rectangle on the illumination area, the edge that the deepest part of colour formed in the middle of the facula figure shown in fig. 6 promptly has the facula of the radian approximate to the rectangle (if fig. 6 is the colored drawing, little rectangle facula then is the deepest orange part of colour in the middle of the facula figure), on the basis that satisfies AA level national standard illuminance grade, effectively promote the optical property of desk lamp, and this kind of indirect mode, polarisation light-emitting mode, light is softer, realize the visual sensation of the invisible light, improve people's eye comfort.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims (10)

1. A polarized lighthead, comprising:

the lampshade is provided with a light outlet;

the light source is arranged in the lampshade;

the first reflecting piece is arranged in the lampshade;

the second reflecting piece is arranged in the lampshade, the first reflecting piece and the second reflecting piece are arranged at intervals, the reflecting surface of the first reflecting piece is opposite to the reflecting surface of the second reflecting piece, and at least part of light rays emitted by the light source are reflected by the first reflecting piece, then reflected by the second reflecting piece and finally emitted through the light outlet.

2. The polarized light lamp head as claimed in claim 1, wherein a first transparent member is disposed inside the lamp cover between the first reflecting member and the second reflecting member;

at least part of light emitted by the light source passes through the first transmission piece after being reflected by the first reflection piece, is reflected by the second reflection piece and is finally emitted out through the light outlet.

3. The polarized light lamp holder as claimed in claim 2, wherein a second transparent member is connected in the light exit port.

4. The polarized light lamp head as claimed in claim 3, wherein the light source includes a light source plate horizontally or obliquely disposed at an upper portion of an inner side of the lamp housing and a light emitting member disposed at a side of the light source plate facing the first reflecting member;

a light mixing cavity is formed on the inner side of the lampshade between the first reflecting part and the first transmitting part, and the light emitting part is positioned in the light mixing cavity;

the horizontal distance between one end, close to the luminous element, of the reflecting surface of the first reflecting element and the center of the luminous element is D1, the horizontal distance between the upper part of the surface of the second transmitting element, opposite to the reflecting surface of the first reflecting element, and the center of the luminous element is D2, and D1 is D2, or D1 is more than D2, or D1 is less than D2.

5. The polarized light lamp holder as claimed in claim 1, wherein at least one side adjacent sides of the first reflector and the second reflector are connected by a connecting plate to form an integrated structure of the first reflector and the second reflector, and the first reflector, the connecting plate and the second reflector are assembled to form a reflector, and the reflector is detachably disposed inside the lamp housing.

6. The polarized light lamp holder of claim 1, wherein the reflective surface of the first reflective member is a first reflective surface, the first reflective surface being an arc surface;

the cambered surface is a smooth cambered surface;

or the cambered surface is formed by a plurality of micro structures, and the micro structures are micro-arris structures, scale structures or polygonal structures.

7. The polarized light lamp holder of claim 1, wherein the reflective surface of the second reflective member is a second reflective surface, and the second reflective surface is an arc surface;

the cambered surface is a smooth cambered surface;

or the cambered surface is a cambered surface consisting of a plurality of microstructures, and the microstructures are micro-arris structures, scale microstructures or polygonal structures.

8. The polarized light lamp holder as claimed in claim 4, wherein the lamp shade comprises an upper cover and a lower cover detachably connected to the upper cover, the light outlet is arranged on the bottom surface of the lower cover, and a bottom plate is connected to the bottom surface of the lower cover outside the light outlet;

the orthographic projection of the luminous piece on the bottom surface of the lower cover is positioned outside the light outlet;

the orthographic projection of the light mixing cavity on the bottom surface of the lower cover is positioned outside the light outlet.

9. The polarized light lamp holder as claimed in claim 4, wherein the first reflector has an arc-shaped cross section, one end of the first reflector abuts against a surface of the light source board where the light emitting element is disposed, and the other end of the first reflector abuts against a lower portion of a surface of the first transparent element facing the first reflector;

the cross-sectional shape of second reflection piece is the arc, the one end of second reflection piece with first penetrating piece deviates from the upper portion of first reflection piece one side and leans on, the other end of second reflection piece extends to light-emitting outlet.

10. A desk lamp, characterized in that the desk lamp comprises a polarized light head as claimed in any one of claims 1 to 9.

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