CN113739096A - Illuminating lamp with abundant effects - Google Patents
Illuminating lamp with abundant effects Download PDFInfo
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- CN113739096A CN113739096A CN202010465423.6A CN202010465423A CN113739096A CN 113739096 A CN113739096 A CN 113739096A CN 202010465423 A CN202010465423 A CN 202010465423A CN 113739096 A CN113739096 A CN 113739096A
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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
- F21S8/00—Lighting devices intended for fixed installation
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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
- F21S10/00—Lighting devices or systems producing a varying lighting effect
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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
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
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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
- F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
- F21V1/10—Rotating shades
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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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
- F21V13/06—Combinations of only two kinds of elements the elements being reflectors and refractors a reflector being rotatable
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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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
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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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
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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
- F21V5/00—Refractors for light sources
- F21V5/02—Refractors for light sources of prismatic 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/105—Outdoor lighting of arenas or the like
Abstract
The invention discloses an illuminating lamp with rich effects, which comprises a case and a lamp holder pivoted to the case, wherein the lamp holder can rotate in at least two dimensions relative to the case, and a light source component and a prism group are arranged in the lamp holder; the prism group comprises a plurality of light splitting prisms, the light splitting prisms are positioned in the light path, the light splitting prisms are mutually staggered in the direction of the light path, and at least part of the light splitting prisms can mutually independently rotate or rotate in a linkage manner around respective central lines; use the light source subassembly to produce the light beam, set up the spectral prism that a plurality of position staggered each other on the light path direction simultaneously, the spectral prism is not overlapped along the light path direction totally, can partially stagger or stagger completely, consequently, through the refraction effect of spectral prism to light, the facula that a plurality of spectral prisms formed superposes each other, can present manifold stage lighting effect, when the spectral prism rotates, the facula that corresponds the production also can take place the rotation, consequently, can demonstrate more abundant gorgeous light effect.
Description
Technical Field
The invention relates to the technical field of lighting lamps, in particular to a lighting lamp with rich effect.
Background
At present, the rendering effect of the stage lamp is more and more diversified, and the pattern effect in the formed stage effect is gorgeous. Often realize the effect that a plurality of patterns appear simultaneously through the prism among traditional stage lamps and lanterns, at the prism during operation, arrange the prism in the primary optical axis, make the central line of prism and the primary optical axis coincidence of stage lamp, when the spectral effect that needs the difference, realize through switching different prisms, even if like this, also only a prism is located the light path at a certain moment, can not a plurality of prisms simultaneous workings, the stage lighting effect of production is abundant inadequately. In recent years, there are prism combinations in which two or more prisms operate simultaneously, and these prism combinations are characterized by: two or more prisms are located above the light source and the light through hole at the same time, the prisms are located in different planes along the optical axis direction of the stage light fixture, and are alternately moved into the optical path or simultaneously moved into the optical path and stacked up and down. This kind of mode has played certain effect to the abundance of stage light efficiency, however, present market is new and different day by day, and the spectator is more and more high to the requirement of stage light efficiency, and a lamps and lanterns that possess richer stage effect will receive the favor of market more.
Disclosure of Invention
The invention aims to overcome at least one defect of the prior art and provides an illuminating lamp with rich effects, which is used for solving the problem of further enriching the stage lighting effects.
The technical scheme adopted by the invention is as follows: the LED lamp comprises a case and a lamp holder pivoted to the case, wherein the lamp holder can rotate in at least two dimensions relative to the case, and a light source assembly and a prism group are arranged in the lamp holder; the light source component comprises a light source and a light collector, and the light collector collects light rays emitted by the light source into a light beam, so that most of the light emitted by the light source is transmitted along a main optical axis; the prism group comprises a plurality of light splitting prisms, the light splitting prisms are located in the light path, the light splitting prisms are mutually staggered in the direction of the light path, and at least part of the light splitting prisms can rotate around respective central lines independently or in linkage with each other.
In this technical scheme, use the light source subassembly to produce the light beam, set up the mutual staggered beam splitter prism in a plurality of position simultaneously on the light path direction, beam splitter prism is along the incomplete overlapping of light path direction, can partially stagger or stagger completely, consequently through the refraction effect of beam splitter prism to light, the facula that a plurality of beam splitter prisms formed superposes each other, can present manifold stage lighting effect. Meanwhile, in the technical scheme, at least part of the light splitting prisms can independently rotate around respective central lines, two or more light splitting prisms can also rotate in a linkage manner, and when the light splitting prisms rotate, the corresponding generated light spots can also rotate, so that a richer and more gorgeous lighting effect can be presented.
Further, there are at least two of said splitting prisms that are not identical to produce at least two different refraction effects.
Among this technical scheme, locate in the light path in order to obtain different refraction effects through the beam splitter prism with different, beam splitter prism can adopt toper prism or bar prism etc. through the prism that adopts the same edge number incompletely, adopt the prism of same shape incompletely, adopt the prism of same taper angle incompletely and/or the same angle of divergence incompletely etc. just can obtain the facula that the quantity of pattern is different, the facula that the condition of arranging of pattern is different, the facula that whole size is different etc. superpose each other and rotate relatively, thereby form diversified stage lamp light refraction effect.
Preferably, the beam splitting prism at least comprises a conical prism and a strip prism; or the light splitting prism at least comprises two conical prisms with different edge numbers; or the light splitting prism at least comprises two strip prisms with different prism numbers; or the light splitting prism at least comprises two conical prisms with the same number of prisms and different cone angles; or the light splitting prism at least comprises a prism with the same edge number and different divergence angles. The conical prism is a beam splitting prism which extends from one vertex to the bottom surface and takes a side surface formed between adjacent edges as a beam splitting surface; the cone angle of the conical prism is an included angle between the side surface and a perpendicular line of the bottom surface, and the cone angles are all smaller than 90 degrees; the strip prism is a light splitting prism which is provided with a plurality of mutually parallel edges, wherein the edges are all parallel to the bottom surface, and a light splitting surface formed between the adjacent edges and a light splitting surface formed between the outermost edge and the bottom surface are used as light splitting surfaces; the divergence angle of the strip prism refers to an included angle between two adjacent light splitting surfaces, and the divergence angles are both larger than 90 degrees and smaller than 180 degrees.
In the technical scheme, the combination of the beam splitting prisms is further optimized, when at least two beam splitting prisms with different shapes exist in the light path, the arrangement of light spots formed by each beam splitting prism is different, for example, the light spots formed by the conical prisms are circularly arranged, and the light spots formed by the strip-shaped prisms are linearly arranged; when at least two light splitting prisms with different edge numbers exist in the light path, the number of patterns in a light spot formed by each light splitting prism is different, and the number of light splitting surfaces of the prisms corresponds to the number of the patterns; when at least two conical prisms with different cone angles or two strip-shaped prisms with different divergence angles exist in the light path, the size of a light spot formed by each prism is different, and the smaller the cone angle of each conical prism is, the larger the size of the formed light spot is; the smaller the divergence angle of the bar prism, the larger the spot size formed. Therefore, in the technical scheme, by selecting at least one beam splitter prism not identical to other beam splitter prisms, the refraction effect of the at least one beam splitter prism is different from that of other beam splitter prisms, and very various lighting effects can be obtained through different prism combinations.
Preferably, projections of the beam splitting prisms in the optical path direction do not overlap with each other.
This technical scheme adopts the not overlapping beam splitter prism of projection on the light path each other, staggers completely between the beam splitter prism, and the facula that every beam splitter prism formed all is mutually independent, does not influence each other between the facula that produces, more is favorable to the control of light engineer to stage lighting effect.
Preferably, the light splitting prisms are all conical prisms with equal edge length, and the angle difference of the cone angle alpha between at least two light splitting prisms is greater than 0.
In the technical scheme, the light splitting prisms in the light path are preferably equal-edge-length conical prisms, and cone angles between the two light splitting prisms are different, so that light spots of at least two sizes are mutually overlapped to form a light effect of sleeving a large light spot with a small light spot.
Preferably, the number of the light splitting prisms is at least three, and the cone angle of the light splitting prism-i、∝i+1、∝i+2And refractive index ni′、ni+1′、ni+2' the following relation is satisfied: tan [ alpha ]i-arccos(ni′cos αi)]＝2tan[αi+1-arccosni +1 'cos α i +1-tan α i +2-arccosni + 2' cos α i +2, wherein i is a positive integer representing the ith beam splitter prism.
The technical scheme has the advantages that the light spot effect of a plurality of approximate concentric circles is achieved, and the radius difference between adjacent light spots is the same. tan [ alpha ]i-arccos(ni′cos αi)]For the projected spot radius of the ith beam splitter prism at 1 unit distance, when the refractive index of each beam splitter prism is the same, i.e. ni′＝ni+1′＝ni+2In this case, the larger the cone angle of the beam splitter prism, the smaller the radius of the formed spot. The cone angle of the first beam splitting prism is the largest, and the radius of the formed first light spot is the smallest; the cone angle of the second beam splitter prism is the second order, and the size of the radius of the formed second light spot is larger than that of the radius of the first light spot; the cone angle of the third beam splitter prism is smaller than that of the second beam splitter prism, the size of the radius of the formed third light spot is larger than that of the radius of the second light spot, and the like. The light spot effect is: the difference in radius between the third spot and the second spot is equal to the difference in radius between the second spot and the first spot.
More preferably, the angle of taper angle ∈ between the first beam splitter prism and the second beam splitter prism1、∝2And refractive index n1′、n2' the following relation is satisfied: tan [ alpha ]2-arccos(n2′cos α2)]＝2tan[α1-arccos(n1′cos α1)]。
In the technical schemeA plurality of concentric circles with equal spacing are formed, and the spacing between any two adjacent concentric circles is equal to the effect of the radius of the light spot with the smallest radius. When the refractive index of each beam-splitting prism is the same, i.e. ni′＝n1′＝n2When the cone angle of the first beam splitter prism is the largest, the first spot radius R is formed1Minimum; a second spot radius R formed by a second beam splitter prism following the cone angle2Then, the cone angle of the third beam splitter prism is smaller than that of the second beam splitter prism, and a third spot radius R is formed3Larger, analogized, the superposed light spot effect is a plurality of light spots similar to concentric circles, and Ri+1-Ri＝R3-R2＝R2-R1＝R1。
Furthermore, a light-transmitting gap is formed between the light splitting prisms, and light generated by the light source is projected through the light-transmitting gap to form a central light spot. Part of light rays are refracted by the light splitting prisms and then emitted, part of light rays do not penetrate through the light splitting prisms but directly pass through gaps among the prisms to be emitted to form a central light spot, and the light rays passing through the light splitting prisms are refracted by the light splitting prisms to finally form the central light spot which is positioned at the central position of the light spot generated by each light splitting prism.
Preferably, the beam splitting prisms are movable into and out of the optical path. In the technical scheme, the control device is arranged to move the beam splitting prisms in and out, and whether the beam splitting prisms are used for changing the light beam effect or adjusting the number of the beam splitting prisms located in the light path is determined by switching the beam splitting prisms, so that different stage lighting effects are realized.
Further preferably, the beam splitting prisms are mounted on the same mounting board while moving in and out of the optical path. By installing the light splitting prisms on the same installation plate, the moving-in or moving-out of the light splitting prisms in the light path can be controlled simultaneously through a group of common control devices, and the switching efficiency is improved.
Further preferably, the mounting plate is made of a light-transmitting material. The light-transmitting material can enable light rays to pass through gaps among the light-splitting prisms on the mounting plate, so that a central light spot effect is formed.
Preferably, the beam splitting prisms are rotated together about a central axis of the optical path. The projected patterns are integrally rotated, the beam splitter prism can rotate around the central line of the beam splitter prism and the central axis of the light path, and various and rich light effects can be further created along with the position change of the beam splitter prism.
Preferably, the beam splitting prism has mutually independent movement driving structures which move in and out of the optical path independently of each other. As another preferred technical scheme, each beam splitter prism adopts mutually independent moving driving structures, and each beam splitter prism is independently controlled to move in and out of a light path by using the respective driving structure, so that the switching control of the prisms is more flexible and convenient, and the lighting effect is more gorgeous and changeable.
Preferably, the central lines of the beam splitting prisms are parallel to the central axis of the light path. When the central line of the beam splitter prism is parallel to the central axis of the light path, the deformation of the light spot can be avoided, and the generated light spot is ensured not to be stretched or compressed.
Preferably, the beam splitting prisms are located on the same plane perpendicular to the optical path. When the light incident surfaces of the beam splitter prisms are positioned on the same plane, the size and the definition of each generated light spot are consistent, the situation that the generated light spots are not clear due to the height distribution of the light incident surfaces of the beam splitter prisms is avoided, and when the light incident surfaces of the beam splitter prisms are distributed in height, light emitted from the light splitting surfaces of the prisms at the lower positions can enter the prisms at the higher positions again to influence the final lighting effect.
Preferably, a pattern disc is arranged between the light source assembly and the prism group, a light-transmitting pattern is arranged on the pattern disc, and light emitted by the light source passes through the light-transmitting pattern and is split by the beam splitter prism to form light spots with a plurality of patterns.
Preferably, the surface of the beam splitter prism is provided with a coloring layer. The surface of the beam splitting prism is attached with a color chip or plated with a color film, so that the color of emergent light can be controlled by changing the color of the color chip, and light spots with different colors can be formed.
Preferably, each splitting surface of the splitting prism is provided with a coloring layer. The preferable scheme is that different color chips are respectively arranged on each light splitting surface of the light splitting prism or different color films are plated on each light splitting surface of the light splitting prism, so that patterns with different colors can appear in light spots formed by the same light splitting prism, and the lighting effect is further enriched.
Preferably, each light splitting surface of the light splitting prism is provided with a pattern. The light splitting prism is characterized in that different patterns are arranged on each light splitting surface of the light splitting prism, so that light spots formed on the same light splitting prism are formed by combining different patterns, and the light effect is richer.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention provides an illuminating lamp with rich effect, which realizes the light effect of light spot superposition and rotation formed by a plurality of beam splitting prisms through the refraction effect of the beam splitting prisms on light;
(2) the invention can further obtain light spots with different patterns, light spots with different pattern arrangement conditions, light spots with different overall sizes, and various stage lighting effects superposed by the different light spots;
(3) the invention can also obtain the light spot effects which are independent from each other, do not influence each other and are convenient to control;
(4) the invention can obtain the light spot effect of approximate concentric circles with the same radius difference between the adjacent light spots;
(5) the invention can further obtain the superposition effect of the light spots of a plurality of approximate concentric circles by the radius difference between the adjacent light spots which is the same as the radius of the light spot formed by the conical prism with the largest cone angle.
Drawings
Fig. 1 is a schematic view of a light path structure of an illumination lamp in embodiment 1.
Fig. 2 is a schematic diagram of refraction of light rays by the tapered prism of example 1.
Fig. 3 is a schematic diagram of the spot effect of embodiment 1.
Fig. 4 is a schematic view of a prism assembly in embodiment 2.
Fig. 5 is a schematic diagram of the spot effect of embodiment 2.
Fig. 6 is a schematic view of a prism assembly in embodiment 3.
Fig. 7 is a schematic diagram of the spot effect of embodiment 3.
The figure includes: a first tapered prism-11; a second tapered prism-12; a third tapered prism-13; a fourth tapered prism-14; a first bar prism-21; a second strip prism-22; a third strip prism-23; a fourth prism-24; a first spot-31; a second spot-32; a third spot-33; a fourth spot-34; fifth spot-41; sixth spot-42; seventh spot-43; eighth light spot-44; light source assembly-51; a pattern disk-52; a condenser lens group-53; a light-emitting lens-54; incident angle-61; angle of refraction-62.
Detailed Description
The drawings are only for purposes of illustration and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1, the present embodiment 1 is an optical path structure of an illumination fixture including four conical prisms. The lighting lamp further comprises a U-shaped supporting arm, the lamp holder is pivoted to the U-shaped supporting arm, the lamp holder is pivoted above the case through the U-shaped supporting arm, the lamp holder can rotate in a first dimension around the U-shaped supporting arm, and the U-shaped supporting arm drives the lamp holder to rotate in a second dimension around the case. The lighting device of this embodiment 1 includes a light source assembly 51 sequentially disposed along a light path, a pattern disc 52, a condenser lens assembly 53, a prism assembly and a light-emitting lens 54, wherein the prism assembly is disposed between the condenser lens assembly 53 and the light-emitting lens 54, the condenser lens assembly 53 and the light-emitting lens 54 are both plano-convex lens assemblies, an incident surface of the prism assembly is located on a same surface perpendicular to the light path, the prism assembly includes four conical prisms which are staggered from each other in a light path direction and have different prism numbers, and are respectively a first conical prism 11, a second conical prism 12, a third conical prism 13 and a fourth conical prism 14, the four conical prisms respectively control the movement of the prisms in and out of the light path through independent driving mechanisms, and the prisms can rotate around a light path center shaft together. Four beam splitting prisms in the prism group are positioned on the same plane perpendicular to the light path, the size and the definition of each obtained light spot are consistent, and the generated effect is better. And the light incident surface and each light emergent surface of the beam splitter prism are smooth planes, so that the distortion and the blurring effect of the concave surface or the convex surface on light rays are avoided, light spots obtained after the light rays pass through the smooth planes are clear and do not deform, and the effect is better.
When light is obliquely incident from one transparent medium to another, the propagation direction generally changes when the refractive indices of the two media are different, and thus light is refracted.
As shown in fig. 2, in the present embodiment 1, the cone angle α of the conical prism is an angle between the side surface and the perpendicular to the bottom surface, the angle β is an angle between the refracted ray and the perpendicular to the bottom surface, and the vertex of the cone angle α points to the target plane. Alpha is alphaiDenotes the cone angle, β, of the ith prismiRepresenting the angle between the i-th prism's refracted ray and the perpendicular to the base, ni' represents the refractive index of the material of the ith prism, and i is a positive integer; n isAir conditioner' denotes the refractive index of air (typically 1). When the light enters the ith prism, the light is refracted with the incident angle 61 of (90-alpha)i) Angle of refraction 62 is (90 ° - α)i+βi) According to the law of refraction of light, αiAnd betaiThe following relation is satisfied:
ni′sin(90°-αi)＝sin(90°-αi+βi)
thus obtaining the following components:
βi＝αi-arccos(ni′cosαi)··········①
wherein,/represents the distance from the lamp to the stage, RiRepresents the projected spot radius, beta, of a light ray at a distance l through the ith beam splitting prismi、RiThe three components conform to the following relation:
then R can be obtainediComprises the following steps:
Ri＝ltanβi···················②
substituting the formula I into the formula II to obtain RiComprises the following steps:
Ri＝ltan[αi-arccos(ni′cos αi)]··········③
when the radiuses of the adjacent light spots accord with the following formula, a plurality of light spot effects which are approximately concentric circles and have equal light spot radius differences can be formed:
Ri+2-Ri+1＝Ri+1-Ri；
namely:
Ri＝2Ri+1-Ri+2；···················④
substitution of formula (r) into formula (r) to obtain-i、∝i+1、∝i+2The relationship between them is:
tan[αi-arccos(ni′cos αi)]
＝2tan[αi+1-arccos(ni+1′cos αi+1)]-tan[αi+2-arccos(ni+2′cos αi+2)]
in this embodiment 1, the pitch between any two adjacent concentric circular light spots is equal to the effect of the radius of the light spot with the smallest radius, and the following relation is satisfied:
tan[α2-arccos(n2′cos α2)]＝2tan[α1-arccos(n1′cos α1)]
in embodiment 1, since the same material is used for each beam splitter prism, the refractive index of each beam splitter prism is the same, i.e., n'i＝n′2＝n′3＝n′4The first tapered prism 11 is a triangular-pyramid prism having an equal length, and the second tapered prism 12 is a hexagonal-pyramid prism having an equal lengthThe third tapered prism 13 is a dodecagonal prism having an equal length, and the fourth tapered prism 14 is an eighteen-sided pyramid prism having an equal length. When the taper angle of the first tapered prism 11 is 83.95 °, the taper angle of the second tapered prism 12 is 78.16 °, the taper angle of the third tapered prism 13 is 72.86 °, and the taper angle of the fourth tapered prism 14 is 68.16 °.
Each splitting surface of the first tapered prism 11, the second tapered prism 12, the third tapered prism 13 and the fourth tapered prism 14 is respectively provided with a color patch with different colors, and each prism can rotate independently or in linkage around the respective central line. The illumination lamps and lanterns of this embodiment 1 provide the light source by light source subassembly 51, and anti-light cup carries out certain degree of change or assembles to the light path, makes the light-emitting light path have specific shape or specific effect through pattern dish 52 again, and the light efficiency variety is tentatively increased, and light loops through condenser lens group 53, prism group, goes out behind the light-emitting lens 54 again. The different patterns of the pattern disc 52 and the prism group which moves in can combine to produce stage lighting effects with rich colors and gorgeous effects.
Fig. 3 is a schematic diagram of the speckle effect of this embodiment 1. After the light splitting prisms are respectively moved into the light path through independent driving mechanisms, the light spots generated by the triangular pyramid prisms are first light spots 31 with different colors of each pattern and the radius R1Specifically, the light spot effect is that three patterns with different colors are arranged around a circle, the light spot generated by the hexagonal pyramid prism is a second light spot 32 with different colors of each pattern, and the radius R is2Specifically, the light spot effect is that six patterns with different colors are arranged around a circle, the light spot generated by the dodecagonal pyramid prism is a third light spot 33 with each pattern and different color, and the radius R is3Specifically, the light spot effect is that twelve patterns with different colors are arranged around a circle, the light spot generated by the eighteen-pyramid-shaped prism is the fourth light spot 34 with different colors of each pattern, and the radius R is4In particular to a light spot effect with eighteen patterns with different colors arranged around a circle. In this embodiment 1, the first light spot 31, the second light spot 32, the third light spot 33 and the fourth light spot 34 are arranged approximately concentrically, the fourth light spot 34 is located on the outer ring of the third light spot 33, and the third light spot 34 is located on the outer ring of the third light spot 33The three light spots 33 are positioned at the outer circle of the second light spot 32, the second light spot 32 is positioned at the outer circle of the first light spot 31, and R is4-R3＝R3-R2＝R2-R1＝R1Meanwhile, light generated by the light source forms a central light spot through a gap reserved between the beam splitter prisms, and the final light effect is the superposition effect of four groups of light spots arranged in concentric circles and the central light spot. When the four light splitting prisms rotate around the respective center lines in the same or opposite directions, the first light spot 31, the second light spot 32, the third light spot 33 and the fourth light spot 34 rotate in the same or opposite directions to generate a bright light effect of a color diversity pattern.
Example 2
Fig. 4 is a schematic view of a lighting fixture including four strip prisms in embodiment 2. The difference between this embodiment 2 and embodiment 1 is that the prism group includes four bar prisms which are mutually staggered in the optical path direction and have different numbers of splitting surfaces, the four bar prisms are respectively a first bar prism 21, a second bar prism 22, a third bar prism 23 and a fourth bar prism 24, the first bar prism 21, the second bar prism 22, the third bar prism 23 and the fourth bar prism 24 control the prism group to move in and out in the optical path through a common mounting plate and a common driving mechanism made of transparent materials, and the prisms can rotate around the central axis of the optical path together. The first strip prism 21 is a double-sided strip prism, and the second strip prism 22 is a four-sided strip prism. The third strip prism 23 is a six-sided strip prism. The fourth prism 24 is an octahedral prism. The surfaces of the first strip-shaped prism 21, the second strip-shaped prism 22, the third strip-shaped prism 23 and the fourth strip-shaped prism 24 are all pasted with color sheets, and each prism can rotate around the respective central line independently or in linkage, so that the stage lighting effect with rich colors and gorgeous effect can be generated.
Fig. 5 is a schematic diagram of the speckle effect of this embodiment 2. Bar prism passes through back in shared transparent material's the mounting panel and the optical path is moved into to actuating mechanism control prism group, the facula that two-sided bar prism produced is the fifth facula 41 of taking the colour, specifically be the facula effect that two patterns are the straight line and arrange, the facula that four sides bar prism produced is the sixth facula 42 of taking the colour, specifically be the facula effect that four patterns are the straight line and arrange, the facula that six bar prism produced is the seventh facula 43 of taking the colour, specifically be the facula effect that six patterns are the straight line and arrange, the facula that eight bar prism produced is the eighth facula 44 of taking the colour, specifically be the facula effect that eight patterns are the straight line and arrange. The straight line light spot central points of the fifth light spot 41, the sixth light spot 42, the seventh light spot 43 and the eighth light spot 44 are approximately coincident with each other, meanwhile, a gap is reserved between the light splitting prisms, light generated by the light source forms a central light spot through the gap and is projected on a target plane, and the final light effect is the superposition effect of four groups of light spot effects which are linearly arranged and the central light spot. When the four bar prisms rotate around the respective central lines in the same or opposite directions, the fifth light spot 41, the sixth light spot 42, the seventh light spot 43 and the eighth light spot 44 rotate in the same or opposite directions, and the bright light effect of the color diversity pattern is generated.
Example 3
Fig. 6 is a schematic view of a prism assembly of this embodiment 3, which is another illumination lamp including four light splitting prisms. The difference between this embodiment 3 and embodiment 1 is that the prism group includes two conical prisms completely staggered from each other in the optical path direction and having different numbers of prisms, and two strip prisms completely staggered from each other in the optical path direction and having different numbers of splitting surfaces, which are respectively the second conical prism 12, the fourth conical prism 14, the second strip prism 22, and the fourth strip prism 24, wherein the second conical prism 12 is an equal-length hexagonal prism having a taper angle of 78.16 °, the fourth conical prism 14 is an equal-length eighteen-edge conical prism having a taper angle of 68.16 °, the second strip prism 22 is a four-sided strip prism, and the fourth strip prism 24 is an octahedral strip prism. Each splitting surface of each strip prism and each conical prism is respectively provided with a color piece with different colors, and each prism can rotate around the respective central line independently or in linkage.
Fig. 7 is a schematic diagram of the speckle effect of this embodiment 3. After the light splitting prisms are respectively moved into the light path through the independent driving mechanisms, light spots generated by the hexagonal pyramid prisms are second light spots 32 with different colors of each pattern, specifically, light spot effects of six patterns with different colors arranged around a circle, light spots generated by the eighteen pyramid prisms are fourth light spots 34 with different colors of each pattern, specifically, light spot effects of eighteen patterns with different colors arranged around a circle, light spots generated by the four-sided strip prisms are sixth light spots 42 with different colors of each pattern, specifically, light spot effects of four patterns arranged in a straight line, light spots generated by the eight-sided strip prisms are eighth light spots 44 with different colors of each pattern, specifically, light spot effects of eight patterns arranged in a straight line, and meanwhile, light generated by the light sources forms central light spots through gaps left among the light splitting prisms, therefore, the light spot effect in this embodiment 3 is the superposition effect of two sets of circular light spots, two sets of linear light spots and the central light spot. When the four light splitting prisms rotate around the respective central lines in the same or opposite directions, the second light spot 32, the fourth light spot 34, the sixth light spot 42 and the eighth light spot 44 rotate in the same or opposite directions, and the bright light effect of the color diversity pattern is generated.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.
Claims (19)
1. An illuminating lamp with rich effects is characterized by comprising
The lamp holder can rotate in at least two dimensions relative to the case, and a light source component and a prism group are arranged in the lamp holder;
the light source component comprises a light source and a light collector, and the light collector collects light rays emitted by the light source into a light beam, so that most of the light emitted by the light source is transmitted along a main optical axis;
the prism group comprises a plurality of light splitting prisms, the light splitting prisms are located in the light path, the light splitting prisms are mutually staggered in the direction of the light path, and at least part of the light splitting prisms can rotate around respective central lines independently or in linkage with each other.
2. The efficient lighting fixture of claim 1 wherein there are at least two said splitting prisms that are not identical to produce at least two different refraction effects.
3. The efficient lighting fixture of claim 1 wherein the beam splitter prism comprises at least one of a cone prism and a bar prism; or the light splitting prism at least comprises two conical prisms with different edge numbers; or the light splitting prism at least comprises two strip prisms with different prism numbers; or the light splitting prism at least comprises two conical prisms with the same number of prisms and different cone angles; or the light splitting prism at least comprises a prism with the same edge number and different divergence angles.
4. The efficient lighting fixture of claim 1, wherein the projections of the beam splitting prisms in the optical path direction do not overlap.
5. The efficient lighting fixture of claim 1 wherein the beam-splitting prisms are equal-length tapered prisms, and the difference in taper angle α between at least two of the beam-splitting prisms is greater than 0.
6. The luminaire with abundant effects as claimed in claim 5, wherein the number of the beam splitter prisms is at least three, and the cone angle of the beam splitter prism is ∞i、∝i+1、∝i+2And refractive index ni′、ni+1′、ni+2' the following relation is satisfied: tan [ alpha ]i-arccos(ni′cosαi)]＝2tan[αi+1-arccos(ni+1′cosαi+1)]-tan[αi+2-arccosni + 2' cos α i +2, where i is a positive integer, representing the ith splitting prism.
7. The luminaire with abundant effects as claimed in claim 6, wherein the angle of taper between the first beam splitter prism and the second beam splitter prism varies1、∝2And refractive index n1′、n2' the following relation is satisfied: tan [ alpha ]2-arccosn2′cosα2＝2tanα1-arccosn1′cosα1。
8. The efficient lighting fixture of claim 1, wherein the beam splitter prisms have a light-transmissive gap therebetween, and wherein the light generated by the light source is projected through the light-transmissive gap to form a central spot.
9. The efficient lighting fixture of claim 1, wherein the beam splitting prism is movable into and out of the light path.
10. The efficient lighting fixture of claim 9, wherein the beam splitting prisms are mounted on the same mounting plate and move into and out of the optical path simultaneously.
11. The efficient lighting fixture of claim 10, wherein the mounting plate is made of a light transmissive material.
12. The efficient light fixture of claim 1 or 10 wherein the beam splitting prisms collectively rotate about a central axis of the light path.
13. The efficient lighting fixture of claim 9, wherein the beam splitting prism has independent movement driving structures that move in and out of the optical path independently of each other.
14. The efficient lighting fixture of claim 1 wherein the centerlines of the beam splitting prisms are each parallel to the central axis of the light path.
15. The efficient lighting fixture of claim 1, wherein the beam splitting prisms are located on a same plane perpendicular to the light path.
16. The efficient lighting fixture of claim 1, wherein a pattern plate is disposed between the light source assembly and the prism assembly, the pattern plate having a transparent pattern disposed thereon, wherein light emitted from the light source is split by the splitting prism after passing through the transparent pattern.
17. The efficient lighting fixture of claim 1, wherein the beam splitter prism surface is provided with a colored layer.
18. The efficient lighting fixture of claim 1, wherein each splitting surface of the beam splitter prism is provided with a colored layer.
19. The efficient lighting fixture of claim 1, wherein each splitting surface of the beam splitter prism is patterned.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465423.6A CN113739096B (en) | 2020-05-28 | 2020-05-28 | Illuminating lamp with rich effect |
| PCT/CN2021/074036 WO2021238291A1 (en) | 2020-05-28 | 2021-01-28 | Illumination lamp with abundant effects |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465423.6A CN113739096B (en) | 2020-05-28 | 2020-05-28 | Illuminating lamp with rich effect |
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| CN113739096B CN113739096B (en) | 2022-11-08 |
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| WO (1) | WO2021238291A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2021238291A1 (en) | 2021-12-02 |
| CN113739096B (en) | 2022-11-08 |
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