CN114440148A - Reflecting cup and lamp - Google Patents
Reflecting cup and lamp Download PDFInfo
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- CN114440148A CN114440148A CN202210230956.5A CN202210230956A CN114440148A CN 114440148 A CN114440148 A CN 114440148A CN 202210230956 A CN202210230956 A CN 202210230956A CN 114440148 A CN114440148 A CN 114440148A
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- 239000011324 bead Substances 0.000 claims description 42
- 238000009792 diffusion process Methods 0.000 claims description 26
- 230000036541 health Effects 0.000 abstract description 8
- 230000000007 visual effect Effects 0.000 abstract description 8
- 238000005286 illumination Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 241001465382 Physalis alkekengi Species 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 230000001678 irradiating effect Effects 0.000 description 7
- 230000001902 propagating effect Effects 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
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- 230000007613 environmental effect Effects 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S6/00—Lighting devices intended to be free-standing
- F21S6/002—Table lamps, e.g. for ambient lighting
- F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention relates to the technical field of illumination, in particular to a reflecting cup and a lamp; lamps and lanterns include lamp plate and anti-light cup, the lamp plate is provided with the lamp pearl, the lamp plate sets up in anti-light cup, anti-light cup includes anti-light cup body, anti-light cup body includes a plurality of reflection of light portions, every reflection of light portion all is provided with anti-light cavity, a plurality of reflection of light portions along the extending direction of predetermineeing the pitch arc dislocation connection in proper order and intercommunication to make a plurality of anti-light cavity intercommunications form continuous cavity, a plurality of reflection of light portions are used for making light form the reflection in continuous cavity. The reflecting cup can improve the problems that light irradiates an invalid area and the intensity is different, and simultaneously improves the problem that double images are generated on the working face, thereby being beneficial to the visual experience and eye health of users and improving the user experience.
Description
Technical Field
The invention relates to the technical field of illumination, in particular to a reflecting cup and a lamp.
Background
With the development of lighting technology, LEDs and the like have been gradually developed into main lighting products on the market due to their advantages of high efficiency, energy saving and environmental protection; the LED lamp comprises an LED table lamp, a ceiling lamp and the like. One common type of LED desk lamp is a direct type lighting type, which includes a lamp panel, a lamp bead, a lens, a reflective cup, and other component combinations; when in use, the desk lamp is usually placed in front of a work/writing area (hereinafter referred to as a work surface) on a workbench or a desk, and when in use, the following problems are usually caused: firstly, part of light emitted from the light-emitting surface of the desk lamp irradiates an area behind the desk lamp, namely an invalid area outside the working surface, and glare can be caused by the reflection of a wall; secondly, the illumination intensity of the light rays emitted from the light emitting surface of the desk lamp in different directions in different areas of the working surface is different, and normal reading and writing work of a user is influenced.
In order to solve the above problems, the related art adjusts the structure of the light reflecting cup, and can improve the problems of light irradiation to an ineffective area and different intensities, but can cause double images on the working surface, which is not favorable for the visual experience and eye health of the user, and the user experience is not good.
Disclosure of Invention
The invention aims to provide a reflecting cup and a lamp, which can improve the problems that light irradiates an invalid region and the intensity is different, improve the problem that a working face generates double images, are beneficial to the visual experience and eye health of a user and improve the user experience.
The embodiment of the invention is realized by the following steps:
in a first aspect, the present invention provides a reflector cup comprising:
the anti-light cup body, anti-light cup body include a plurality of reflection of light portions, and every reflection of light portion all is provided with anti-light cavity, and a plurality of reflection of light portions along the extending direction of predetermineeing the pitch arc dislocation connection in proper order and intercommunication to make a plurality of reflection of light cavity intercommunication form continuous cavity, a plurality of reflection of light portions are used for making light form the reflection in continuous cavity.
In an optional embodiment, the light reflecting part comprises a longitudinal forward-projection cross light irradiation part, a longitudinal forward-projection diffused light irradiation part, a first transverse reflection part and a second transverse reflection part, a light reflecting cavity is formed between the longitudinal forward-projection cross light irradiation part and the longitudinal forward-projection diffused light irradiation part, one end of the longitudinal forward-projection cross light irradiation part is connected with the first transverse reflection part, and one end of the longitudinal forward-projection diffused light irradiation part is connected with the second transverse reflection part; wherein the content of the first and second substances,
the first transverse reflecting part of one reflecting part is connected with the other end of the longitudinal forward projection cross light irradiation part of the other adjacent reflecting part, the second transverse reflecting part of one reflecting part is connected with the other end of the longitudinal forward projection diffusion light irradiation part of the other adjacent reflecting part, and a gap is formed between the first transverse reflecting part and the second transverse reflecting part so as to enable the reflecting cavities between the two adjacent reflecting parts to be communicated.
In an optional implementation mode, the reflector is symmetrically distributed along a preset axis, the cross section of the longitudinal forward projection cross light irradiation part along the preset axis is arc-shaped, and the longitudinal forward projection cross light irradiation part can shield the lamp beads arranged in the reflecting cavity.
In an alternative embodiment, the centers of the cross sections of the longitudinal forward-projection cross light irradiation parts of the plurality of light reflection parts along the preset axis are overlapped.
In an alternative embodiment, the extension surfaces of the longitudinally forward-projected diffused-light irradiation sections of the plurality of light reflection sections are distributed in parallel.
In an alternative embodiment, the reflective cups are symmetrically distributed along a preset axis, and the extending surface of at least one of the first transverse reflecting portion and the second transverse reflecting portion forms an included angle with the preset axis.
In an optional embodiment, the reflector cup further includes an end plate, and along an extending direction of the preset arc line, the other end of the longitudinal forward projection diffused light irradiation part of the reflector part at the end part and the other end of the longitudinal forward projection cross light irradiation part are connected through the end plate.
In an alternative embodiment, the reflector cup further comprises a connecting rib, and the first transverse reflecting portion and the second transverse reflecting portion are connected through the connecting rib.
In an optional embodiment, the light reflecting cup further includes a front projection diffusion light arc surface, the front projection diffusion light arc surface extends along a preset arc, and the plurality of light reflecting portions are connected to the front projection diffusion light arc surface.
In a second aspect, the invention provides a lamp, which comprises a lamp panel and the reflective cup of any one of the foregoing embodiments, wherein the lamp panel is provided with a lamp bead, the lamp panel is arranged in the reflective cup, and the lamp bead is positioned in the reflective cavity.
The light reflecting cup provided by the embodiment of the invention has the beneficial effects that: the embodiment of the invention provides a reflective cup, which comprises a reflective cup body, wherein the reflective cup body comprises a plurality of reflective parts, each reflective part is provided with a reflective cavity, the plurality of reflective parts are sequentially connected and communicated in a staggered manner along the extension direction of a preset arc line so that the plurality of reflective cavities are communicated to form a continuous cavity, and the plurality of reflective parts are used for enabling light to form reflection in the continuous cavity. The plurality of light reflecting parts of the light reflecting cup are sequentially connected along the extending direction of the preset arc line, so that the whole light reflecting cup is in an arc design, light can be reliably irradiated into the area in front of the lower side by being reflected by the arc light reflecting cup, the light irradiation on an invalid area can be improved, and the light forms reflection in the continuous cavity, so that uniform light spots can be generated on an operation surface, and the problem of different light intensities is solved; meanwhile, light can be freely reflected in the continuous cavity, so that continuity of the light emitting surface is guaranteed, a ghost phenomenon is improved, visual experience and eye health of a user are facilitated, and user experience is improved.
The lamp provided by the embodiment of the invention has the beneficial effects that: the lamp provided by the embodiment of the invention comprises a lamp panel and the reflecting cup, wherein the lamp panel is provided with the lamp beads, the lamp panel is arranged in the reflecting cup, and the lamp beads are positioned in the reflecting cavity. The reflecting cup can improve the problems that light irradiates an invalid area and the intensity is different, can also improve the problem that a working face generates double images, is favorable for visual experience and eye health of a user, and improves the user experience.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a lamp panel, a lamp bead and a reflective cup at a first viewing angle in the embodiment of the invention;
FIG. 2 is a schematic structural diagram of an arc-shaped reflector cup in the related art;
FIG. 3 is a schematic structural diagram of a straight-bar-shaped reflector according to the related art;
FIG. 4 is a schematic structural view of an arc-shaped reflective cup formed by sequentially splicing and combining multiple linear segments of reflective cups according to the related art;
FIG. 5 is a schematic view of a partial structure of a lamp panel, a lamp bead and a reflective cup in the embodiment of the invention;
FIG. 6 is a first schematic view of the light reflected by the cross light irradiation part projected forward in the longitudinal direction according to the embodiment of the present invention;
FIG. 7 is a second schematic view of the embodiment of the present invention showing the light reflected by the cross light irradiation part projected forward in the longitudinal direction;
FIG. 8 is a schematic view of the light reflected from the longitudinally forward projecting diffuse light irradiation part according to the embodiment of the present invention;
FIG. 9 is a first schematic structural diagram of the reflector cup and the lamp panel in the embodiment of the invention;
FIG. 10 is a second schematic structural view of the reflector cup and the lamp panel in the embodiment of the invention;
FIG. 11 is a sectional view taken along line A-A of FIG. 10;
FIG. 12 is a cross-sectional view taken along line B-B of FIG. 10;
fig. 13 is a sectional view taken along the line C-C in fig. 9.
An icon: 010-a light reflecting cup; 100-a reflective cup body; 110-a light-reflecting portion; 111-longitudinally forward projection cross light irradiation part; 112-longitudinal front projection diffused light irradiation part; 113-a first transverse reflective portion; 114-a second lateral reflector; 120-a light-reflecting cavity; 130-connecting ribs; 140-front projection diffusion light arc surface; 150-a transition surface; 160-end plate; 200-a lamp panel; 210-a lamp bead; 300-working surface; 310-preset axis; 320-Preset arc.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present embodiment, unless otherwise specified, the term "propagating in the longitudinal direction" means propagating in the direction of arrow a in the figure, and "propagating in the lateral direction" means propagating in the direction of arrow cd in the figure.
Referring to fig. 1, the present embodiment provides a lamp, which includes a lamp panel 200, a lamp bead 210 and a reflective cup 010, wherein the lamp bead 210 is disposed on the lamp panel 200, the lamp panel 200 is disposed on the reflective cup 010, and the reflective cup 010 reflects light emitted by the lamp bead 210 to an operation surface 300.
It should be noted that the lamp may be a table lamp; of course, in other embodiments, the lamp may also refer to a floor lamp, a ceiling lamp, and the like, which is not specifically limited herein.
It should be further noted that the lamp bead 210 may refer to an LED lamp bead; alternatively, in other embodiments, the lamp bead 210 may also be referred to as an incandescent lamp bead.
Referring to fig. 2-4, the inventor has found that the related art provides an arc-shaped reflector, which can ensure that light irradiates the lower front region of a lamp bead, but the arc-shaped reflector can make the light converge toward a region of the working surface to form a light spot with a bright center on the working surface, which results in an effect that the illumination of the central region of the working surface is higher than that of the periphery, is not beneficial to user experience, and also brings adverse effects on eye health of a user. If be with curved anti-light cup adjustment be straight bar anti-light cup, one of them can shine the downside the place ahead region of lamp pearl with the light that the lamp pearl sent, with the problem of improve the illumination with large tracts of land to invalid area, on the other hand can improve the problem that light gathers in a region of working face, improve the problem that the central area illumination degree of working face is too high, ensure to form comparatively even facula on the working face, but the light of straight bar anti-light cup reflection is 2D line source, can produce more obvious shade on the working face in the use, on the contrary, write, read and bring not good impression to the user. If the anti-light cup that adopts the multistage linear type splices in proper order and makes up into anti-light cup of arc, the downside the place ahead region that can shine the light that the lamp pearl sent on the one hand, anti-light cup of on the other hand arc is formed by the anti-light cup concatenation of multistage linear type, can produce the effect of 3D three-dimensional area source, and then can produce more even facula on the operation face, but the structure that the anti-light cup of multistage linear type spliced in proper order can lead to light to send the problem that forms the ghost image, and then be unfavorable for user's visual experience and with eye healthy, user experience is not good.
Referring to fig. 1 and 5, the reflective cup 010 of the present embodiment includes a reflective cup body 100, the reflective cup body 100 includes a plurality of reflective portions 110, each of the reflective portions 110 is provided with a reflective cavity 120, the reflective portions 110 are sequentially connected and communicated in a staggered manner along an extending direction of the preset arc 320, so that the reflective cavities 120 are communicated to form a continuous cavity, and the reflective portions 110 are configured to enable light to form reflection in the continuous cavity.
The plurality of light reflecting portions 110 of the light reflecting cup 010 are sequentially connected along the extending direction of the preset arc 320, so that the light reflecting cup 010 is integrally designed in an arc shape, light is reflected by the arc-shaped light reflecting cup 010 and can reliably irradiate the area in front of the lower side, that is, the light irradiation to an invalid area can be improved, and the light forms reflection in the continuous cavity, that is, uniform light spots can be generated on the working surface 300, and the problem of different light intensities can be solved; meanwhile, light can be freely reflected in the continuous cavity, so that continuity of the light emitting surface is guaranteed, a ghost phenomenon is improved, visual experience and eye health of a user are facilitated, and user experience is improved.
The plurality of light reflecting portions 110 are staggered in the extending direction of the preset arc 320, and may be: the plurality of light reflecting portions 110 are connected in a zigzag manner along the extending direction of the preset arc 320, that is, the light reflecting cup body 100 formed by connecting the plurality of light reflecting portions 110 along the extending direction of the preset arc 320 has two uneven arc-shaped side walls.
It should be further noted that the lamp bead 210 is located in the light reflecting cavity 120; specifically, the light reflecting cavity 120 of each light reflecting portion 110 is provided with the light beads 210, so as to ensure that light rays emitted by the light beads 210 can reliably irradiate the front area of the working surface 300 after being reflected by each light reflecting portion 110, reduce the area of ineffective irradiation, ensure that the light rays can reliably form uniform light spots on the working surface 300 through reflection; moreover, the light emitted by the lamp beads 210 can be freely reflected in the continuous cavity, the light emitting continuity is ensured, and the problem of ghost images is solved.
With reference to fig. 1 and fig. 5, the light reflecting portions 110 include a longitudinal forward projection cross light illuminating portion 111, a longitudinal forward projection diffusion light illuminating portion 112, a first transverse reflecting portion 113 and a second transverse reflecting portion 114, a light reflecting cavity 120 is formed between the longitudinal forward projection cross light illuminating portion 111 and the longitudinal forward projection diffusion light illuminating portion 112, one end of the longitudinal forward projection cross light illuminating portion 111 is connected to the first transverse reflecting portion 113, one end of the longitudinal forward projection diffusion light illuminating portion 112 is connected to the second transverse reflecting portion 114, wherein the first transverse reflecting portion 113 of one light reflecting portion 110 is connected to the other end of the longitudinal forward projection cross light illuminating portion 111 of another adjacent light reflecting portion 110, that is, two ends of one first transverse reflecting portion 113 are respectively connected to the longitudinal forward projection cross light illuminating portions 111 of two adjacent light reflecting portions 110, the second transverse reflecting portion 114 of one light reflecting portion 110 is connected to the other end of the longitudinal forward diffusion light illuminating portion 112 of another adjacent light reflecting portion 110, that is, two ends of one second transverse reflection portion 114 are respectively connected with the longitudinal forward projection diffusion light irradiation portions 112 of two adjacent light reflection portions 110, and a gap is formed between the first transverse reflection portion 113 and the second transverse reflection portion 114, so that the light reflection cavities 120 between the two adjacent light reflection portions 110 are communicated.
Referring to fig. 1, the reflector cup 010 of the present embodiment further includes an end plate 160, and the other end of the longitudinal front-projection diffused-light irradiating section 112 of the end light reflecting section 110 and the other end of the longitudinal front-projection cross-light irradiating section 111 are connected by the end plate 160 along the extending direction of the preset arc 320.
Further, the reflective cup 010 includes two end plates 160; along the extending direction of the preset arc 320, the structures of the light reflecting parts 110 at the two end parts of the light reflecting cup 010 are different, wherein the light reflecting part 110 at one end comprises a longitudinal forward projection cross light irradiation part 111, a longitudinal forward projection diffused light irradiation part 112, a first transverse reflection part 113 and a second transverse reflection part 114, and one end of the longitudinal forward projection cross light irradiation part 111 far away from the first transverse reflection part 113 passes through one end plate 160 and one end of the longitudinal forward projection diffused light irradiation part 112 far away from the second transverse reflection part 114; the light reflecting section 110 at the other end includes only the longitudinally forward projecting cross light irradiating section 111 and the longitudinally forward projecting diffused light irradiating section 112, one end of the longitudinally forward projecting cross light irradiating section 111 is connected to the first transverse reflecting section 113 of the other adjacent light reflecting section 110, the other end is connected to one end of the longitudinally forward projecting diffused light irradiating section 112 through the other end plate 160, and the other end of the longitudinally forward projecting diffused light irradiating section 112 is connected to the second transverse reflecting section 114 of the other adjacent light reflecting section 110.
It should be noted that, along the transverse propagation direction of the light beam, the lengths of the longitudinal forward-projection cross light irradiation portions 111 of the plurality of light reflecting portions 110 may be different, and the lengths of the longitudinal forward-projection diffusion light irradiation portions 112 of the plurality of light reflecting portions 110 may also be different, which is not particularly limited herein.
The reflective cup 010 further includes a connection rib 130, and the first lateral reflecting portion 113 and the second lateral reflecting portion 114 are connected by the connection rib 130. The first transverse reflecting portion 113 and the second transverse reflecting portion 114 are connected by the connecting rib 130, so that the connecting rib 130 can be prevented from interfering the lamp bead 210 arranged in the light reflecting cavity 120.
It should be noted that the connecting rib 130 is not disposed to close the gap between the first transverse reflecting portion 113 and the second transverse reflecting portion 114, so as to ensure reliable communication between the light reflecting cavities 120.
Alternatively, the connection of the first lateral reflecting portion 113 and the second lateral reflecting portion 114 by the connecting rib 130 may refer to: the first transverse reflecting portion 113 and the second transverse reflecting portion 114 of each light reflecting portion 110 are connected by one connecting rib 130, or the first transverse reflecting portion 113 and the second transverse reflecting portion 114 of a part of the light reflecting portions 110 are connected by a corresponding connecting rib 130.
Light that lamp pearl 210 sent includes the light of following vertical propagation and the light of following horizontal propagation, the light of following horizontal propagation can reflect through first horizontal reflecting part 113 and second horizontal reflecting part 114, and the light that lamp pearl 210 sent can reflect light to horizontal both sides region through first horizontal reflecting part 113 and second horizontal reflecting part 114, become the light of following vertical propagation after the light that will originally follow horizontal propagation reflects through first horizontal reflecting part 113 and second horizontal reflecting part 114, and then can ensure the holistic homogeneity of emergent light.
A gap is formed between the first transverse reflecting portion 113 and the second transverse reflecting portion 114, so that the reflecting cavities 120 between two adjacent reflecting portions 110 are communicated, that is, the reflecting portions are sequentially connected and communicated to form a continuous cavity, and further, light rays emitted by the lamp beads 210 and transversely transmitted can be freely reflected in the continuous cavity, a point light source is changed into a linear light source, the continuity of a light emitting surface is ensured, and a double image phenomenon is avoided.
Referring to fig. 6 and 7, the longitudinal and forward projection cross light irradiation part 111 is used for reflecting the light emitted by the lamp bead 210 and transmitted along the longitudinal direction and the light emitted after being reflected by the first and second transverse reflection parts 113 and 114, so as to achieve the effect of forward projection, that is, ensure that the light can be irradiated to the front side area of the working surface 300.
Referring to fig. 8, the longitudinal forward-projection diffusion light irradiation part 112 is used for reflecting the light rays emitted by the lamp beads 210 and propagating in the longitudinal direction and the light rays emitted after being reflected by the first transverse reflection part 113 and the second transverse reflection part 114, so that the propagation path of the light rays can be changed, the forward-projection effect is achieved, that is, the light rays can be ensured to irradiate the front side area of the working surface 300.
Moreover, after the light emitted by the lamp bead 210 is reflected by the first transverse reflection part 113 and the second transverse reflection part 114, the light is distributed more uniformly in the transverse direction, and then reflected by the longitudinal and forward projection cross light irradiation part 111 and the longitudinal and forward projection diffusion light irradiation part 112, so that the effect of three-dimensional polarization can be achieved.
The longitudinally forward-projected cross light irradiation sections 111 of two adjacent light reflecting sections 110 are connected by the first transverse reflection section 113 of one of the light reflecting sections 110, so that the longitudinally forward-projected cross light irradiation sections 111 of two adjacent light reflecting sections 110 and the first transverse reflection section 113 connecting the two are distributed in a step-like manner; thus, the shape of the reflector 010 on the side of the longitudinal front projection cross light irradiation part 111 is similar to a sawtooth shape as a whole, so as to ensure that light rays in the continuous cavity are reliably reflected, further achieve a good light bias effect, and improve the uniformity of light rays emitted longitudinally and transversely.
Furthermore, the longitudinal front projection diffusion light irradiation parts 112 of two adjacent light reflecting parts 110 are connected through the second transverse reflection part 114 of one of the light reflecting parts 110, so that the longitudinal front projection diffusion light irradiation parts 112 of two adjacent light reflecting parts 110 and the second transverse reflection part 114 connecting the two are distributed in a step shape; thus, the shape of the light reflecting cup 010 on the side of the longitudinal front projection diffused light irradiation part 112 is similar to a sawtooth shape as a whole, so that the light rays in the continuous cavity are further ensured to be reliably reflected, a good polarization effect is achieved, and the uniformity of the light rays emitted longitudinally and transversely is improved.
Referring to fig. 9, the reflective cups 010 are symmetrically distributed along a predetermined axis 310, and an extending surface of at least one of the first transverse reflective portion 113 and the second transverse reflective portion 114 forms an included angle with the predetermined axis 310; with such an arrangement, when two adjacent reflecting portions are connected by the first transverse reflecting portion 113 and the second transverse reflecting portion 114, a sufficiently large gap can be ensured between the first transverse reflecting portion 113 and the second transverse reflecting portion 114, so as to ensure that the light reflecting cavities 120 of the two adjacent reflecting portions can reliably communicate to form a continuous cavity; moreover, the extending surface of the first transverse reflecting portion 113 forms an included angle with the preset axis 310, so that the first transverse reflecting portion 113 can be utilized to reflect light to two transverse sides of the light spot, and the uniformity of integral emergence is improved.
In this embodiment, the extending surface of the first transverse reflective portion 113 and the extending surface of the second transverse reflective portion 114 both form an included angle with the predetermined axis 310, and the included angle may be set as required.
The larger the arc of the reflector cup 010 is, the larger the angle between the extended surface of the first transverse reflecting portion 113 and the extended surface of the second transverse reflecting portion 114 and the predetermined axis 310 is. The arc of the reflector cup 010 may be the arc of the predetermined arc 320.
Referring to fig. 10-13, in the present embodiment, a cross section of the longitudinal forward-projection cross light irradiation part 111 along the preset axis 310 is arc-shaped, that is, a cross section of the longitudinal forward-projection cross light irradiation part 111 along the preset axis 310 is substantially a free curve similar to a parabola, that is, the longitudinal forward-projection cross light irradiation part 111 is an arc-plate structure, and the longitudinal forward-projection cross light irradiation part 111 can shield the lamp bead 210 in the light reflecting cavity 120; optionally, in a direction perpendicular to the lamp panel 200, the longitudinally and forwardly projected cross light irradiation part 111 can shield the lamp bead 210 in the reflective cavity 120, so that light emitted by the lamp bead 210 can be prevented from directly emitting to a projection center perpendicular to the lamp panel 200, the brightness of a position opposite to the lamp bead 210 can be reduced, and the problem of dazzling light can be solved; moreover, the longitudinally forward projecting cross light irradiation part 111 can prevent the light rays at the two sides of the lamp bead 210 from being excessively projected towards the center along the transverse direction, so that more light rays are reflected longitudinally forward.
It should be noted that, the longitudinal forward-projection cross light irradiation part 111 can shield the lamp bead 210 in the reflective cavity 120, which may refer to: in the direction perpendicular to the lamp panel 200, the longitudinally forward-projected cross light irradiation section 111 completely shields the lamp beads 210 in the reflective cavity 120, or only shields a part of the lamp beads 210, and a part of the lamp beads 210 can be exposed between the longitudinally forward-projected cross light irradiation section 111 and the longitudinally forward-projected diffused light irradiation section 112.
Further, referring to fig. 11 and 12, the centers of the cross sections of the longitudinal and forward projection intersecting light irradiation parts 111 of the plurality of light reflection parts 110 along the preset axis 310 coincide; specifically, the longitudinally forward-projected intersecting light irradiation portions 111 of the plurality of light reflection portions 110 are concentrically and spaced apart from each other along the cross section of the preset axis 310. With this arrangement, the reflector cup 010 can be formed in a shape of a sawtooth-like shape as a whole on the side where the cross light irradiation section 111 is projected forward in the longitudinal direction.
Referring to fig. 11 and 13, in the present embodiment, the extending surfaces of the longitudinal forward-projection diffused-light irradiation parts 112 of the plurality of light reflection parts 110 are distributed in parallel. With such an arrangement, the shape of the reflector cup 010 on the side of the longitudinal forward projection diffused light irradiation part 112 can be ensured, and the whole reflector cup is in a shape similar to a sawtooth; moreover, the longitudinal forward projection of the diffused light irradiation part 112 can be utilized to prevent the light on the two sides of the lamp bead 210 from being excessively projected towards the center along the transverse direction, so that more light can be projected towards the longitudinal direction.
Referring to fig. 13, a cross section of the longitudinal forward-projection diffused light irradiation portion 112 along the set axis is linear, and an included angle β between a guide line f of the cross section of the longitudinal forward-projection diffused light irradiation portion 112 along the set axis and the vertical direction e of the working surface 300 is greater than or equal to 45 °. With such an arrangement, the light can be reflected by the longitudinally forward projected diffused light irradiation part 112 to obtain a better forward light projection effect.
Note that the change in the pitch between the longitudinally forward-projected cross light irradiation section 111 and the longitudinally forward-projected diffused light irradiation section 112 is approximately: gradually increasing from the end close to the lamp bead 210 to the end far away from the lamp bead 210.
Referring to fig. 5, the reflector cup 010 of the present embodiment further includes a front projection diffusion light arc 140, the front projection diffusion light arc 140 extends along a predetermined arc 320, and the plurality of light-reflecting portions 110 are connected to the front projection diffusion light arc 140. Through the arrangement of the front projection diffusion light arc surface 140, a multi-section light emitting form formed by reflection of the plurality of light reflecting parts 110 can be converted into an integral surface light emitting form, so that the light reflecting cup 010 can generate a more uniform light emitting effect.
Further, the reflector cup 010 further includes a transition surface 150, and the longitudinal front projection diffusion light irradiation parts 112 of the plurality of light reflectors 110 are connected with the front projection diffusion light arc surface 140 through the transition surface 150. Optionally, the transition surface 150 is distributed parallel to the lamp panel 200.
Still further, referring to fig. 13, a cross section of the front projection diffusion light arc surface 140 along the predetermined axis 310 is linear, and an included angle α between a guide line g of the cross section of the front projection diffusion light arc surface 140 along the predetermined axis 310 and the vertical direction e of the working surface 300 is greater than or equal to 45 °. By such arrangement, the front projection diffusion light arc surface 140 is favorably connected with the front projection diffusion light irradiation part through the transition surface 150, a transverse space is created for the emergent light after Fresnel differential processing, and a multi-section light emitting form formed by reflection of the plurality of light reflecting parts 110 is ensured to be converted into an integral surface light emitting form, so that the light reflecting cup 010 can generate a more uniform light emitting effect.
In summary, the lamp provided by the invention utilizes the reflective cup 010 to reflect the light emitted by the lamp bead 210, on one hand, the light can be reliably irradiated into the area in front of the lower side, the condition that the light irradiates an invalid area is reduced, uniform irradiation is ensured, and the problem of different light intensities is solved, on the other hand, the light can be freely reflected in the continuous cavity, so that the continuity of the light-emitting surface is ensured, the ghost phenomenon is improved, the visual experience and eye health of a user are facilitated, and the user experience is improved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A reflective cup, comprising:
anti-light cup body (100), anti-light cup body (100) include a plurality of reflection of light portion (110), every reflection of light portion (110) all is provided with anti-light cavity (120), and is a plurality of anti-light portion (110) along the extending direction of predetermineeing pitch arc (320) dislocation connection in proper order and intercommunication, so that it is a plurality of anti-light cavity (120) intercommunication forms continuous cavity, and is a plurality of reflection of light portion (110) are used for making light be in form the reflection in the continuous cavity.
2. The reflector cup according to claim 1, wherein the reflector portion (110) comprises a longitudinal forward projection cross light irradiation portion (111), a longitudinal forward projection diffused light irradiation portion (112), a first transverse reflection portion (113) and a second transverse reflection portion (114), the reflector cavity (120) is formed between the longitudinal forward projection cross light irradiation portion (111) and the longitudinal forward projection diffused light irradiation portion (112), one end of the longitudinal forward projection cross light irradiation portion (111) is connected with the first transverse reflection portion (113), and one end of the longitudinal forward projection diffused light irradiation portion (112) is connected with the second transverse reflection portion (114); wherein, the first and the second end of the pipe are connected with each other,
the first transverse reflecting part (113) of one reflecting part (110) is connected with the other end of the longitudinal forward projection cross light irradiation part (111) of the other adjacent reflecting part (110), the second transverse reflecting part (114) of one reflecting part (110) is connected with the other end of the longitudinal forward projection diffusion light irradiation part (112) of the other adjacent reflecting part (110), and a gap is arranged between the first transverse reflecting part (113) and the second transverse reflecting part (114) so as to communicate the reflecting cavity (120) between the two adjacent reflecting parts (110).
3. The reflector cup as claimed in claim 2, wherein the reflector cup is symmetrically distributed along a predetermined axis (310), the cross-section of the longitudinal forward projection cross light irradiation part (111) along the predetermined axis (310) is arc-shaped, and the longitudinal forward projection cross light irradiation part (111) can shield the lamp bead (210) disposed in the reflector cavity (120).
4. The reflector cup according to claim 3, wherein the centers of the cross sections of the longitudinally forward-projected intersecting light irradiators (111) of the plurality of reflectors (110) along the predetermined axis (310) coincide.
5. The reflector cup according to claim 2, wherein the extended surfaces of the longitudinally forward-projected diffused-light emitting portions (112) of the plurality of reflector portions (110) are arranged in parallel.
6. The reflector cup according to claim 2, wherein the reflector cup is symmetrically distributed along a predetermined axis (310), and the extension plane of at least one of the first lateral reflecting portion (113) and the second lateral reflecting portion (114) forms an included angle with the predetermined axis (310).
7. The reflector cup according to claim 2, further comprising an end plate (160), wherein the other end of the longitudinally forward-projected diffused-light irradiation section (112) of the reflector section (110) at the end and the other end of the longitudinally forward-projected cross-light irradiation section (111) are connected by the end plate (160) in the extending direction of the predetermined arc (320).
8. The reflector cup according to claim 2, further comprising a connecting rib (130), wherein the first lateral reflecting portion (113) and the second lateral reflecting portion (114) are connected by the connecting rib (130).
9. The reflector cup according to any of claims 1-8, further comprising a front projected diffused light arc (140), wherein the front projected diffused light arc (140) extends along the predetermined arc (320), and wherein the plurality of light reflecting portions (110) are connected to the front projected diffused light arc (140).
10. A luminaire, characterized in that, comprises a lamp panel (200) and the reflective cup of any one of claims 1-9, the lamp panel (200) is provided with a lamp bead (210), the lamp panel (200) is provided with the reflective cup, and the lamp bead (210) is located in the reflective cavity (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210230956.5A CN114440148A (en) | 2022-03-10 | 2022-03-10 | Reflecting cup and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210230956.5A CN114440148A (en) | 2022-03-10 | 2022-03-10 | Reflecting cup and lamp |
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| Publication Number | Publication Date |
|---|---|
| CN114440148A true CN114440148A (en) | 2022-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210230956.5A Pending CN114440148A (en) | 2022-03-10 | 2022-03-10 | Reflecting cup and lamp |
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| CN (1) | CN114440148A (en) |
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