CN112879869B - A method for projecting three-dimensional special-shaped laser spot, optical system and lamp - Google Patents
A method for projecting three-dimensional special-shaped laser spot, optical system and lamp Download PDFInfo
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- CN112879869B CN112879869B CN201911208543.1A CN201911208543A CN112879869B CN 112879869 B CN112879869 B CN 112879869B CN 201911208543 A CN201911208543 A CN 201911208543A CN 112879869 B CN112879869 B CN 112879869B
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- 230000003287 optical effect Effects 0.000 title claims description 72
- 230000007704 transition Effects 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims description 41
- 230000000694 effects Effects 0.000 description 29
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
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- 206010066054 Dysmorphism Diseases 0.000 description 1
- 241000533950 Leucojum Species 0.000 description 1
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Classifications
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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
- F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
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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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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
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Abstract
一种投射三维异形激光光斑的方法，其特征在于，包括：发光单元，发出准直激光光束；散射单元，将准直激光光束进行发散，所述散射单元为无固定规则形状的凹凸不平的透明散射元件；连续折射单元，将入射光线进行折射，所述连续折射单元的至少一面设置有若干弧形凸面，若干相邻的所述弧形凸面之间呈连续光滑过渡或非连续过渡；所述发光单元发出的准直激光光束依次穿过散射单元、连续折射单元。
A method for projecting a three-dimensional special-shaped laser spot, characterized in that it includes: a light-emitting unit, which emits a collimated laser beam; a scattering unit, which diverges the collimated laser beam, wherein the scattering unit is an uneven transparent scattering element with no fixed regular shape; a continuous refraction unit, which refracts incident light, wherein at least one side of the continuous refraction unit is provided with a plurality of arc-shaped convex surfaces, and a plurality of adjacent arc-shaped convex surfaces have a continuous smooth transition or a discontinuous transition; the collimated laser beam emitted by the light-emitting unit passes through the scattering unit and the continuous refraction unit in sequence.
Description
Technical Field
The invention relates to the technical field of stage and landscape lamps, in particular to a method for projecting three-dimensional special-shaped laser spots, an optical system and a lamp.
Background
In recent years, lasers have been used for stage and landscape lamps, but the development of application functions has been narrow. A special effect lamp for stage entertainment laser uses a YAG solid laser, uses a krypton lamp and a Nd-YAG crystal rod to generate laser beams, forms monochromatic laser by frequency conversion, and simultaneously utilizes a computer programming to control a vibrating mirror to generate high-speed deflection so as to form beautiful characters or patterns. Or a scattering lens or a grating lens is placed at the front end of the collimated laser beam, and the effect of irregular light spots or regular patterns and characters can be projected, but the problem still exists that the dynamic effect of the existing laser lamp is relatively single, the patterns are too mechanical and discontinuous, and the special-shaped transformation and the three-dimensional dynamic effect cannot be realized.
Disclosure of Invention
The invention aims to provide a method for projecting three-dimensional special-shaped laser spots, which can generate special-shaped three-dimensional dynamic effects on an image plane during projection.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a method of projecting a three-dimensional shaped laser spot, comprising:
a. a light emitting unit that emits a collimated laser beam;
b. A scattering unit for scattering the collimated laser beam, wherein the scattering unit is a transparent scattering element with uneven surface and no fixed regular shape;
c. the continuous refraction unit is used for refracting incident light, at least one surface of the continuous refraction unit is provided with a plurality of arc convex surfaces, and a plurality of adjacent arc convex surfaces form continuous smooth transition or discontinuous transition;
the collimated laser beam emitted by the light-emitting unit sequentially passes through the scattering unit and the continuous refraction unit.
As a preferred solution, the scattering unit is rotatable about its own centre line.
Optionally, the scattering unit is provided with a light-passing hole.
As a preferred solution, the continuous refractive unit is rotatable about its own centre line.
Optionally, the continuous refraction unit is provided with a light-passing hole.
The optical system for projecting the three-dimensional special-shaped laser spots comprises a laser light source, a scattering element and a continuous refraction element, wherein the laser light source emits collimated laser beams, the scattering element diverges the incident collimated laser beams, the continuous refraction element refracts the incident light, the scattering element comprises a scattering lens, the scattering lens is a transparent optical lens with uneven surface without fixed regular shape, the continuous refraction element comprises a disturbance lens, the disturbance lens is a transparent optical lens, at least one surface of the disturbance lens is provided with a plurality of cambered convex surfaces, a plurality of cambered convex surfaces are in continuous smooth transition or discontinuous transition, and the collimated laser beams emitted by the laser light source sequentially pass through the scattering element and the continuous refraction element.
As a preferable technical solution, the laser light source is an RGB laser.
As a preferable technical scheme, the number of the scattering lenses is 1, the number of the disturbance lenses is 1 or 2, and the 2 disturbance lenses are sequentially arranged on the main light path.
As an optimal technical scheme, the number of the scattering lenses is 2, the 2 scattering lenses are sequentially arranged on a main light path, and the number of the disturbance lenses is 1.
As a preferred solution, the diffusing lens is stationary or rotatable about its own centre line.
As a preferred solution, the perturbed lens is rotatable about its own centre line.
As a preferable technical scheme, the disturbance lens is provided with a light-passing hole.
As a preferred embodiment, the radius of curvature of the curved convex surface varies continuously between 6 and 150 mm.
As a preferable technical scheme, the height of the cambered surface of the cambered convex surface is continuously changed between 0.05 mm and 1.5 mm.
As a preferred technical scheme, the scattering element further comprises a scattering rotating disk, and a plurality of non-autorotation accommodating cavities for accommodating the scattering lenses are arranged on the scattering rotating disk.
As a preferable technical scheme, the scattering unit further comprises a scattering rotating disc, and a plurality of rotating discs for accommodating the scattering lenses are arranged on the scattering rotating disc.
As a preferable technical scheme, the scattering rotating disk further comprises a light passing hole.
The lamp comprises the optical system for projecting the three-dimensional special-shaped laser spots, a driving mechanism and a mounting plate, wherein the driving mechanism provides power for the optical system, and the mounting plate is used for providing mounting positions for the optical system.
Compared with the prior art, the beneficial effect of this technical scheme lies in:
1-compared with the prior laser lamp with single dynamic effect, the technical scheme utilizes the non-imaging optical principle and the human eye persistence principle, and adopts the scattering unit and the continuous refraction unit to project the fluctuation dynamic effect of three-dimensional special-shaped light spots;
2-comparing the problem that the light spot projected by the current laser lamp is mechanical and not continuous enough, the technical scheme adopts a plurality of continuous arc convex surfaces to form positive and negative lens effects, so that continuous fluctuation light spot effects are projected;
The 3-scattering element and the continuous refraction element are rotatable, and the plurality of scattering lenses can be freely switched, so that a plurality of optional optical combinations can be formed, and a more complex switchable special-shaped laser spot effect can be achieved, which cannot be achieved by a conventional laser lamp.
Drawings
The invention is described in further detail below with reference to the drawings and examples.
Fig. 1 is a diagram of a second embodiment.
Fig. 2 is a diagram of a third embodiment.
Fig. 3 is a diagram of a fourth embodiment.
Fig. 4 is a fifth illustration of an embodiment.
Fig. 5 is a diagram of a sixth embodiment.
Fig. 6 is a diagram of a seventh embodiment.
Fig. 7 is an illustration of an eighth embodiment.
Fig. 8 is a diagram of an embodiment nine.
Fig. 9 is a schematic diagram of an embodiment.
Fig. 10 is an illustration of embodiment eleven.
FIG. 11a is an orthographic projection of the profile of one embodiment of a perturbed lens.
Fig. 11b is an orthographic projection of the profile of yet another embodiment of a perturbed lens.
Fig. 12a is an orthographic projection of the profile of one embodiment of a diffuser lens (diamond body).
Fig. 12b is an orthographic projection of the profile of yet another embodiment of a diffuser lens (wood grain shape).
Fig. 12c is an orthographic projection of the outline of yet another embodiment of a diffusing mirror lens (quadrangular pyramid).
Fig. 12d is an orthographic projection of the profile of yet another embodiment of a diffuser lens (fine grit).
Fig. 12e is an orthographic projection of the outline of yet another embodiment of a diffuser lens (snowflake textured surface).
Fig. 12f is an orthographic projection of the profile of yet another embodiment (continuous free-form surface) of a diffusing lens.
Fig. 12g is an orthographic projection of the profile of yet another embodiment of a diffuser lens (rough ground surface).
Fig. 12h is an orthographic projection of the profile of yet another embodiment of a diffuser lens (discontinuous free-form surface).
The reference numerals indicate a 1-laser, an 11-emission port, a 2-scattering lens, a 21-scattering lens I, a 22-scattering lens II, a 23-scattering rotary disk, a 24-light passing hole I, a 25-rotary fixing hole I, a2 a-scattering lens a, a2 b-scattering lens b, a2 c-scattering lens c, a2 d-scattering lens d, a 3-disturbance lens, a 31-disturbance lens I, a 32-disturbance lens II, a 33-cambered surface convex surface, a 34-rotary fixing hole II and a 35-light passing hole II.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
In the description of the present invention, unless explicitly specified and limited otherwise, the terms "connected" and "fixed" are to be construed broadly, and for example, they may be fixedly connected, detachably connected or integrally formed, mechanically connected or electrically connected, directly connected or indirectly connected through intermediaries, or in communication with each other between two elements or in interaction with each other. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Embodiment one:
the embodiment provides a method for projecting three-dimensional special-shaped laser spots, which comprises a light-emitting unit, a scattering unit and a continuous refraction unit, wherein the light-emitting unit emits collimated laser beams, the scattering unit diverges the collimated laser beams, and the continuous refraction unit refracts incident light. At least one surface of the continuous refraction unit is provided with a plurality of arc convex surfaces, and a plurality of adjacent arc convex surfaces form continuous smooth transition or discontinuous transition.
The continuous refraction unit can rotate around the central line of the continuous refraction unit, and under the action of a plurality of cambered surfaces and convexities, the emergent light forms continuous transition, undulating and irregularly-shaped laser spot change effects in the rotating process.
Embodiment two:
As shown in fig. 1 and 11a, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refraction element, wherein the scattering element is a scattering lens (2), the scattering lens (2) is a transparent optical lens with uneven surface and no fixed regular shape, the scattering lens (2) can be any one of the embodiments shown in fig. 12a-12h or the like, the continuous refraction element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one surface of the disturbance lens is provided with a plurality of cambered convex surfaces (33), and a plurality of the cambered convex surfaces are in continuous smooth transition or discontinuous transition.
The scattering lens (2) can be fixed or can rotate around the central line by being driven by a driving mechanism, the center of the disturbance lens (3) is provided with a rotary fixing hole II (34), and the disturbance lens rotates around the central line by being driven by the driving mechanism. It can be understood that the rotation of the scattering lens or the disturbance lens can be realized by the existing driving mechanism technology of the existing stage lamp.
The laser light source (1) is used for emitting a collimated laser beam, the scattering lens (2) is used for diverging the incident collimated laser beam, the disturbance lens (3) is used for refracting the incident light, and the collimated laser beam emitted by the laser light source (1) sequentially passes through the scattering lens (2) and the disturbance lens (3).
Embodiment III:
As shown in fig. 2 and 11b, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refraction element, wherein the scattering element is a scattering lens (2), the scattering lens (2) is a transparent optical lens with uneven surface and no fixed regular shape, the scattering lens (2) can be any one of the embodiments shown in fig. 12a-12h or the like, the continuous refraction element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one surface of the disturbance lens is provided with a plurality of cambered convex surfaces (33), and a plurality of the cambered convex surfaces are in continuous smooth transition or discontinuous transition.
The scattering lens (2) can be fixed or can rotate around the central line by being driven by a driving mechanism, the center of the disturbance lens (3) is provided with a rotary fixing hole II (34), the circumferential edge of the disturbance lens is provided with a light passing hole II (35), and the disturbance lens (3) rotates around the central line by being driven by the driving mechanism. It can be understood that the rotation of the scattering lens or the disturbance lens can be realized by the existing driving mechanism technology of the existing stage lamp.
The laser light source (1) is used for emitting collimated laser beams, the scattering lens (2) is used for diverging incident collimated laser beams, the disturbance lens (3) is used for refracting the incident light, the collimated laser beams emitted by the laser light source (1) sequentially pass through the scattering lens (2) and the disturbance lens (3), and meanwhile, due to the fact that the second light through hole (35) is formed in the disturbance lens, the collimated laser beams emitted by the laser light source (1) can be directly emitted from the second light through hole (35) after passing through the scattering lens (2) so as to generate different projection effects.
Embodiment four:
As shown in fig. 3 and 11a, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refraction element, wherein the scattering element comprises a first scattering lens (21) and a second scattering lens (22), the first scattering lens (21) and the second scattering lens (22) are transparent optical lenses without irregular uneven shapes, the transparent optical lenses can be any one of the embodiments shown in fig. 12a-12h or the like, the continuous refraction element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one surface of the disturbance lens is provided with a plurality of cambered convex surfaces (33), and a plurality of the cambered convex surfaces form continuous smooth transition or discontinuous transition.
The first scattering lens (21) or the second scattering lens (22) can be fixed or can rotate around the central line of the first scattering lens by the driving of the driving mechanism, the center of the disturbance lens (3) is provided with a second rotary fixing hole (34), and the disturbance lens rotates around the central line by the driving of the driving mechanism. It can be understood that the rotation of the scattering lens or the disturbance lens can be realized by the existing driving mechanism technology of the existing stage lamp.
The laser light source (1) is used for emitting collimated laser beams, the first scattering lens (21) and the second scattering lens (22) are used for diverging incident collimated laser beams, the disturbance lens (3) is used for refracting incident light rays, and the collimated laser beams emitted by the laser light source (1) sequentially pass through the first scattering lens (21), the second scattering lens (22) and the disturbance lens (3).
The two scattering lenses have the advantages that the incident collimated laser beams are diverged twice, and more dispersed emergent beams can be generated, so that the three-dimensional undulating effect of the two scattering lenses is different from that of one scattering lens, meanwhile, in the incident direction, the first scattering lens (21) and the second scattering lens (22) can be identical, can be any one embodiment shown in fig. 12a-12h or similar, can be different, can be any two embodiments shown in fig. 12a-12h or similar respectively, and can generate more abundant three-dimensional irregular effect which is obviously different from that of a single scattering lens, and the weakness of the two scattering lenses is that one scattering process is added, so that the attenuation of the final light intensity can be caused.
Fifth embodiment:
As shown in fig. 4 and 11b, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refraction element, wherein the scattering element comprises a first scattering lens (21) and a second scattering lens (22), the first scattering lens (21) and the second scattering lens (22) are transparent optical lenses without irregular uneven shapes, the transparent optical lenses can be any one of the embodiments shown in fig. 12a-12h or the like, the continuous refraction element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one surface of the disturbance lens is provided with a plurality of cambered convex surfaces (33), and a plurality of the cambered convex surfaces form continuous smooth transition or discontinuous transition.
The first scattering lens (21) or the second scattering lens (22) can be fixed or can rotate around the central line of the first scattering lens by driving of a driving mechanism, the center of the disturbance lens (3) is provided with a second rotary fixing hole (34), the circumferential edge of the disturbance lens is provided with a second light transmission hole (35), and the disturbance lens (3) rotates around the central line by driving of the driving mechanism. It can be understood that the rotation of the scattering lens or the disturbance lens can be realized by the existing driving mechanism technology of the existing stage lamp.
The laser light source (1) is used for emitting a collimated laser beam, the first scattering lens (21) and the second scattering lens (22) are used for diverging the incident collimated laser beam, and the disturbance lens (3) is used for refracting the incident light.
Besides the beneficial effects of the fourth embodiment, at the same time, since the disturbance lens is provided with the second light-transmitting hole (35), the collimated laser beam emitted by the laser source (1) can directly emit from the second light-transmitting hole (35) after passing through the first scattering lens (21) and the second scattering lens (22) so as to generate different projection effects.
Example six:
as shown in fig. 5 and 11a, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refraction element, wherein the scattering element is a scattering lens (2), the scattering lens (2) is a transparent optical lens with uneven surface and no fixed regular shape, the scattering lens (2) can be any one of the embodiments shown in fig. 12a-12h or the like, the continuous refraction element comprises a disturbance lens I (31) and a disturbance lens II (32), the disturbance lens I and the disturbance lens II are transparent optical lenses, at least one surface of the continuous refraction element is provided with a plurality of cambered convex surfaces (33), and a plurality of the cambered convex surfaces are in continuous smooth transition or discontinuous transition.
The scattering lens (2) can be fixed or can rotate around the central line by being driven by a driving mechanism, the centers of the disturbance lens I (31) and the disturbance lens II (32) are respectively provided with a rotation fixing hole II (34), and the disturbance lens rotates around the central line by being driven by the driving mechanism. It can be understood that the rotation of the scattering lens or the disturbance lens can be realized by the existing driving mechanism technology of the existing stage lamp.
The laser light source (1) is used for emitting a collimated laser beam, the scattering lens (2) is used for dispersing the incident collimated laser beam, the first disturbing lens (31) or the second disturbing lens (32) is used for refracting the incident light, and the collimated laser beam emitted by the laser light source (1) sequentially passes through the scattering lens (2), the first disturbing lens (31) and the second disturbing lens (32).
The two disturbance lenses have the beneficial effects that under the action of the two layers of arc convex surfaces at intervals, similar to imaging for two times, more obvious double continuous undulating three-dimensional special-shaped effects can be generated on the projection surface, and the weakness of the two disturbance lenses is that one imaging lens is added, so that the final light intensity is attenuated.
Embodiment seven:
As shown in fig. 6 and 11b, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refraction element, wherein the scattering element is a scattering lens (2), the scattering lens (2) is a transparent optical lens with uneven surface and no fixed regular shape, the scattering lens (2) can be any one of the embodiments shown in fig. 12a-12h or the like, the continuous refraction element comprises a disturbance lens I (31) and a disturbance lens II (32), the disturbance lens I and the disturbance lens II are transparent optical lenses, at least one surface of the continuous refraction element is provided with a plurality of cambered convex surfaces (33), and a plurality of the cambered convex surfaces are in continuous smooth transition or discontinuous transition.
The scattering lens (2) can be fixed or driven by a driving mechanism to rotate around the central line of the scattering lens, the centers of the first disturbing lens (31) and the second disturbing lens (32) are respectively provided with a second rotary fixing hole (34), the circumferential edges of the first disturbing lens and the second disturbing lens are respectively provided with a second light transmitting hole (35), and the first disturbing lens (31) or the second disturbing lens (32) is driven by the driving mechanism to rotate around the central line. It can be understood that the rotation of the scattering lens or the disturbance lens can be realized by the existing driving mechanism technology of the existing stage lamp.
Besides the beneficial effects of the sixth embodiment, at the same time, since the first disturbance lens (31) or the second disturbance lens (32) are both provided with the second light-passing holes (35), the collimated laser beam emitted by the laser source (1) can also directly pass through the second light-passing holes (35) of the second disturbance lens (32) after passing through the scattering lens (2) after passing through the first disturbance lens (31), or directly pass through the second light-passing holes (35), so as to generate different projection effects.
Example eight:
As shown in fig. 7, the optical system for projecting three-dimensional special-shaped laser spots comprises a laser light source (1), a scattering element and a continuous refraction element, wherein the scattering element comprises a scattering rotating disc (23) and 4 scattering lenses, 4 self-rotating discs for accommodating the scattering lenses and a first rotating fixing hole (25) for fixing the scattering lenses on a driving mechanism are arranged on the scattering rotating disc (23), the 4 scattering lenses are uneven transparent optical lenses with no fixed regular shape, can be any one of the embodiments shown in fig. 12a-12h or the like, the continuous refraction element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one surface of the disturbance lens is provided with a plurality of cambered convex surfaces (33), a plurality of cambered convex surfaces are in continuous smooth transition or discontinuous transition, a second rotating fixing hole (34) for fixing the scattering lenses on the driving mechanism is arranged in the center of the disturbance lens (3), and a second light passing hole (35) is formed in the circumferential edge of the disturbance lens (3).
The scattering rotary disk (23) can rotate around the central line of the scattering rotary disk under the drive of the driving mechanism, meanwhile, the scattering lens a (2 a), the scattering lens b (2 b), the scattering lens c (2 c) and the scattering lens d (2 d) can rotate, and the disturbance lens (3) can rotate around the central line of the scattering rotary disk under the drive of the driving mechanism.
In the direction of a main optical axis (10), the laser light source (1) is used for emitting a collimated laser beam, the scattering lens is used for diverging the incident collimated laser beam, the disturbance lens (3) is used for refracting the incident light, and the collimated laser beam emitted by the laser light source (1) sequentially passes through the scattering lens and the disturbance lens (3).
Because the scattering rotary disk (23) is rotatable and is provided with 4 scattering lenses of the scattering lens a (2 a), the scattering lens b (2 b), the scattering lens c (2 c) and the scattering lens d (2 d) which can rotate, the scattering lenses can be selected to be projected or switched to be projected according to actual needs in the main optical axis direction (10), and meanwhile, whether the scattering lenses rotate or not can be selected, and the scattering effect of each scattering lens is different. Meanwhile, the disturbance lens (3) is rotatable and comprises a light-passing hole II (35), so that the disturbance lens (3) and the scattering lens can also form matching of the light-passing hole II (35) or matching of areas of the light-non-passing hole II (35), and a more complex three-dimensional special-shaped laser spot effect is generated.
In addition, in the number combination, the form of 1 scattering rotary disk (23) +1 disturbance lens (3) can be adopted, the form of 1 scattering rotary disk (23) +2 disturbance lenses (3) can be adopted, the form of 2 scattering rotary disks (23) +1 disturbance lenses (3) can be adopted, and the three-dimensional special-shaped laser spot effect can be generated in all the 3 combination forms.
Example nine:
As shown in fig. 8, the optical system for projecting the three-dimensional special-shaped laser spots comprises a laser light source (1), a scattering element and a continuous refraction element, wherein the scattering element comprises a scattering rotating disc (23) and 3 scattering lenses, 3 self-rotating discs for accommodating the scattering lenses, a first light transmission hole (24) and a first rotating fixing hole (25) for fixing on a driving mechanism are arranged on the scattering rotating disc (23), the 3 scattering lenses are transparent optical lenses with uneven surfaces without fixed regular shapes, the transparent optical lenses can be any one of the embodiments shown in fig. 12a-12h or the like, the continuous refraction element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one surface of the disturbance lens is provided with a plurality of cambered convex surfaces (33), a plurality of the cambered convex surfaces are in continuous smooth transition or discontinuous transition, a second rotating fixing hole (34) for fixing on the driving mechanism is arranged in the center of the disturbance lens (3), and a second light transmission hole (35) is arranged at the circumferential edge of the disturbance lens (3).
The scattering rotary disk (23) can rotate around the central line of the scattering rotary disk under the drive of the driving mechanism, meanwhile, the scattering lens b (2 b), the scattering lens c (2 c) and the scattering lens d (2 d) can rotate around the central line of the scattering rotary disk, and the disturbance lens (3) can rotate around the central line of the scattering rotary disk under the drive of the driving mechanism.
In the direction of a main optical axis (10), the laser light source (1) is used for emitting a collimated laser beam, the scattering lens is used for diverging the incident collimated laser beam, the disturbance lens (3) is used for refracting the incident light, and the collimated laser beam emitted by the laser light source (1) sequentially passes through the scattering lens and the disturbance lens (3).
The scattering rotary disk (23) is rotatable and is provided with a scattering lens b (2 b), a scattering lens c (2 c) and a scattering lens d (2 d) 3 autorotative scattering lenses and a first light-transmitting hole (24), so that the scattering lens can be subjected to selected scattering lens projection or switching projection in the main optical axis direction (10) according to actual needs, and meanwhile, whether the scattering lens rotates or not can be selected, the scattering effect of each outgoing scattering lens is different, and in addition, the first light-transmitting hole (24) can be directly selected for transmission.
Meanwhile, the disturbance lens (3) is rotatable and comprises a light-passing hole II (35), so that the disturbance lens (3) and the scattering lens can form various combinations to generate a more complex three-dimensional special-shaped laser spot effect, and the combination of the light-passing hole I (24) and the light-passing hole II (35) can be adopted, and the collimated laser beam emitted by the laser source (1) can be directly transmitted.
In addition, in the number combination, the form of 1 scattering rotary disk (23) +1 disturbance lens (3) can be adopted, the form of 1 scattering rotary disk (23) +2 disturbance lenses (3) can be adopted, the form of 2 scattering rotary disks (23) +1 disturbance lenses (3) can be adopted, and the three-dimensional special-shaped laser spot effect can be generated in all the 3 combination forms.
Example ten:
As shown in fig. 9, an optical system for projecting three-dimensional special-shaped laser spots comprises a laser light source (1), a scattering element and a continuous refraction element, wherein the scattering element comprises a scattering rotary disk (23) and 4 scattering lenses, 4 self-rotary disks for accommodating the scattering lenses and a first rotary fixing hole (25) for fixing the scattering lenses on a driving mechanism are arranged on the scattering rotary disk (23), the 4 scattering lenses are non-fixed regular-shaped uneven transparent optical lenses which can be any one embodiment shown in fig. 12a-12h or the like, the continuous refraction element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one surface of the disturbance lens is provided with a plurality of cambered convex surfaces (33), a plurality of cambered convex surfaces are in continuous smooth transition or discontinuous transition, and a second rotary fixing hole (34) for fixing the disturbance lens (3) on the driving mechanism is arranged in the center.
The scattering rotary disk (23) can rotate around the central line of the scattering rotary disk under the drive of the driving mechanism, meanwhile, the scattering lens a (2 a), the scattering lens b (2 b), the scattering lens c (2 c) and the scattering lens d (2 d) can rotate, and the disturbance lens (3) can rotate around the central line of the scattering rotary disk under the drive of the driving mechanism.
In the direction of a main optical axis (10), the laser light source (1) is used for emitting a collimated laser beam, the scattering lens is used for diverging the incident collimated laser beam, the disturbance lens (3) is used for refracting the incident light, and the collimated laser beam emitted by the laser light source (1) sequentially passes through the scattering lens and the disturbance lens (3).
Because the scattering rotary disk (23) is rotatable and is provided with 4 scattering lenses of the scattering lens a (2 a), the scattering lens b (2 b), the scattering lens c (2 c) and the scattering lens d (2 d), the scattering lenses can be selected to be projected or switched to be projected according to actual needs in the main optical axis direction (10), and meanwhile, whether the scattering lenses rotate or not can be selected, and the effect of each three-dimensional special-shaped laser spot is different.
In addition, in the number combination, the form of 1 scattering rotary disk (23) +1 disturbance lens (3) can be adopted, the form of 1 scattering rotary disk (23) +2 disturbance lenses (3) can be adopted, the form of 2 scattering rotary disks (23) +1 disturbance lenses (3) can be adopted, and the three-dimensional special-shaped laser spot effect can be generated in all the 3 combination forms.
Example eleven:
As shown in fig. 10, the optical system for projecting the three-dimensional special-shaped laser spots comprises a laser light source (1), a scattering element and a continuous refraction element, wherein the scattering element comprises a scattering rotary disk (23) and 3 scattering lenses, 3 self-rotary disks for accommodating the scattering lenses, a first light passing hole (24) and a first rotary fixing hole (25) for fixing on a driving mechanism are arranged on the scattering rotary disk (23), the 3 scattering lenses are transparent optical lenses with uneven surfaces and free of fixed regular shapes, the transparent optical lenses can be any one of the embodiments shown in fig. 12a-12h or the like, the continuous refraction element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one surface of the disturbance lens is provided with a plurality of cambered convex surfaces (33), a plurality of the cambered convex surfaces are continuously and smoothly transited or discontinuously, and a second rotary fixing hole (34) for fixing on the driving mechanism is arranged in the center of the disturbance lens (3).
The scattering rotary disk (23) can rotate around the central line of the scattering rotary disk under the drive of the driving mechanism, meanwhile, the scattering lens b (2 b), the scattering lens c (2 c) and the scattering lens d (2 d) can rotate around the central line of the scattering rotary disk, and the disturbance lens (3) can rotate around the central line of the scattering rotary disk under the drive of the driving mechanism.
In the direction of a main optical axis (10), the laser light source (1) is used for emitting a collimated laser beam, the scattering lens is used for diverging the incident collimated laser beam, the disturbance lens (3) is used for refracting the incident light, and the collimated laser beam emitted by the laser light source (1) sequentially passes through the scattering lens and the disturbance lens (3).
The scattering rotary disk (23) is rotatable and is provided with a scattering lens b (2 b), a scattering lens c (2 c) and a scattering lens d (2 d), wherein 3 scattering lenses capable of rotating and a first light passing hole (24), so that the scattering lens can be subjected to selected scattering lens projection or switching projection in the main optical axis direction (10) according to actual needs, and meanwhile, whether the scattering lens rotates or not can be selected, the effect of each outgoing three-dimensional special-shaped laser spot is different, in addition, the first light passing hole (24) can be selected to directly transmit to the disturbance lens (3), and the disturbance lens (3) can be rotatable, so that the rotating special-shaped laser disturbance effect can be generated.
In addition, in the number combination, the form of 1 scattering rotary disk (23) +1 disturbance lens (3) can be adopted, the form of 1 scattering rotary disk (23) +2 disturbance lenses (3) can be adopted, the form of 2 scattering rotary disks (23) +1 disturbance lenses (3) can be adopted, and the three-dimensional special-shaped laser spot effect can be generated in all the 3 combination forms.
The utility model provides a lamp, includes actuating mechanism, mounting panel, still includes the optical system of three-dimensional dysmorphism laser facula of arbitrary projection as above-mentioned, as the technical field of this industry person knows, actuating mechanism uses comparatively extensively and generally in stage and view lamps and lanterns technical field, generally includes step motor, belt, gear, machined part etc. and the mounting panel is sheet metal component generally for fixed step motor, paste fixed lens etc. because actuating mechanism's mode is prior art, the detailed description of its theory of operation is not here.
As will be appreciated by those skilled in the art, the above-mentioned technical solutions of the various embodiments of the optical system for projecting a three-dimensional profiled laser spot, which involve rotation of a rotating disc of a scattering mirror, a scattering mirror or a disturbing mirror, can be realized by simple mechanical principles, and therefore are not described in further detail herein.
Therefore, whether the lamp can project the three-dimensional special-shaped laser spot or not is critical in that whether the method for projecting the three-dimensional special-shaped laser spot or the optical system for projecting the three-dimensional special-shaped laser spot is adopted or not is provided.
In the description herein, it should be understood that the terms "upper," "lower," "right," and the like are used for convenience in description and simplicity of operation only, and are not to be construed as limiting the invention, as the devices or elements referred to must have, be constructed or operated in a particular orientation. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.
In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (17)
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| JP4138276B2 (en) * | 2001-07-23 | 2008-08-27 | 日本ライツ株式会社 | Light guide plate and flat illumination device |
| US7202466B2 (en) * | 2003-08-25 | 2007-04-10 | Cadent Ltd. | Apparatus and method for providing high intensity non-coherent light and for speckle reduction |
| CN102722027B (en) * | 2012-01-16 | 2014-10-01 | 深圳市光峰光电技术有限公司 | Light shaping device and laser light source |
| CN105066058B (en) * | 2015-09-08 | 2018-04-20 | 广州朗文光电有限公司 | A kind of dynamic light projecting apparatus |
| CN106226984A (en) * | 2016-09-07 | 2016-12-14 | 海信集团有限公司 | A kind of LASER Light Source, laser projection device |
| CN107906460A (en) * | 2017-12-13 | 2018-04-13 | 广州达森灯光股份有限公司 | Water wave projection lamp |
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| CN110160008A (en) * | 2019-03-31 | 2019-08-23 | 广州达森灯光股份有限公司 | A kind of method that LED water wave lamps and lanterns generate water wave 3D fluctuation effect |
| CN211232770U (en) * | 2019-11-30 | 2020-08-11 | 广州达森灯光股份有限公司 | Optical system and lamp for projecting three-dimensional special-shaped laser spots |
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