A method for projecting three-dimensional special-shaped laser spot, optical system and lamp

Abstract

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, and the scattering unit is an uneven transparent scattering element with no fixed regular shape; a continuous refraction unit, which refracts incident light, and 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

[0001] The present invention relates to the technical field of stage and landscape lamps, and in particular to a method for projecting a three-dimensional special-shaped laser spot, an optical system and a lamp. Background Art

[0002] In recent years, lasers have begun to be used in stage and landscape lighting, but the development of application functions is still relatively narrow. Stage entertainment laser special effects lighting uses YAG solid lasers, krypton lamps and Nd: YAG crystal rods to generate laser beams, which form monochromatic lasers through frequency conversion, and use computer programming to control the galvanometer to produce high-speed deflection, thereby forming beautiful text or graphics. Alternatively, placing a scattering lens or grating sheet at the front end of the collimated laser beam can also project irregular shaped spots or regular graphics and text effects, but there are still obvious problems: the dynamic effects of existing laser lamps are relatively simple, the graphics are too mechanical and not continuous enough, and it is impossible to achieve special-shaped transformations and three-dimensional dynamic effects. Summary of the invention

[0003] The purpose of the present invention is to provide a method for projecting a three-dimensional special-shaped laser spot, so that a special-shaped three-dimensional dynamic effect can be produced on the image plane during projection.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] A method for projecting a three-dimensional special-shaped laser spot, comprising:

[0006] a. A light-emitting unit that emits a collimated laser beam;

[0007] b. a scattering unit, which diverges the collimated laser beam, wherein the scattering unit is an uneven transparent scattering element with no fixed regular shape;

[0008] c. a continuous refraction unit for refracting incident light, wherein at least one side of the continuous refraction unit is provided with a plurality of arcuate convex surfaces, and a plurality of adjacent arcuate convex surfaces are provided with a continuous smooth transition or a discontinuous transition;

[0009] The collimated laser beam emitted by the light emitting unit passes through the scattering unit and the continuous refraction unit in sequence.

[0010] As a preferred technical solution, the scattering unit can rotate around its own center line.

[0011] Optionally, a light-through hole is provided on the scattering unit.

[0012] As a preferred technical solution, the continuous refraction unit can rotate around its own center line.

[0013] Optionally, a light-through hole is provided on the continuous refraction unit.

[0014] An optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source, a scattering element and a continuous refractive element, wherein the laser light source emits a collimated laser beam, the scattering element diverges the incident collimated laser beam, and the continuous refractive element refracts the incident light; the scattering element comprises a scattering lens, which is an uneven, transparent optical lens without a fixed regular shape; the continuous refractive element comprises a disturbance lens, which is a transparent optical lens, at least one side of which is provided with a plurality of curved convex surfaces, and the plurality of curved convex surfaces have a continuous and smooth transition or a discontinuous transition; the collimated laser beam emitted by the laser light source passes through the scattering element and the continuous refractive element in sequence.

[0015] As a preferred technical solution, it is characterized in that the laser light source is an RGB laser.

[0016] As a preferred technical solution, the number of the scattering lenses is 1, the number of the disturbance lenses is 1 or 2, and the two disturbance lenses are sequentially arranged on the main light path.

[0017] As a preferred technical solution, the number of the scattering lenses is 2, and the two scattering lenses are sequentially arranged on the main light path; the number of the disturbance lens is 1.

[0018] As a preferred technical solution, the scattering lens is fixed or rotatable around its own center line.

[0019] As a preferred technical solution, the disturbance lens can rotate around its own center line.

[0020] As a preferred technical solution, a light-through hole is provided on the disturbance lens.

[0021] As a preferred technical solution, the curvature radius of the arc-shaped convex surface varies continuously between 6-150 mm.

[0022] As a preferred technical solution, the arc height of the arc-shaped convex surface varies continuously between 0.05-1.5 mm.

[0023] As a preferred technical solution, the scattering element further comprises a scattering rotating disk, and the scattering rotating disk is provided with a plurality of non-rotatable accommodating cavities for accommodating scattering lenses.

[0024] As a preferred technical solution, the scattering unit further comprises a scattering rotating disk, on which a plurality of self-rotating disks for accommodating scattering lenses are disposed.

[0025] As a preferred technical solution, the scattering rotating disk also includes a light-through hole.

[0026] A lamp comprises the above-mentioned optical system for projecting a three-dimensional special-shaped laser spot, and also comprises a driving mechanism and a mounting plate, wherein the driving mechanism provides power for the optical system and the mounting plate is used to provide a mounting position for the optical system.

[0027] Compared with the prior art, the beneficial effects of this technical solution are:

[0028] 1- Compared with the single dynamic effect of current laser lamps, this technical solution uses the principle of non-imaging optics and the principle of human visual persistence, and adopts scattering units and continuous refraction units to project a three-dimensional shaped light spot with an undulating dynamic effect;

[0029] 2-Compared with the problem that the light spot projected by the current laser lamps is mechanical and not continuous, this technical solution uses multiple continuous arc-shaped convex surfaces to form positive and negative lens effects, thus projecting a continuous undulating light spot effect;

[0030] 3- Both the scattering element and the continuous refractive element can be rotated, and several scattering lenses can be switched freely, so a variety of optional optical combinations can be formed, thereby achieving a more complex switchable special-shaped laser spot effect, which is unattainable by conventional laser lamps. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The present invention is further described in detail below based on the accompanying drawings and embodiments.

[0032] Figure 1 This is a diagram of the second embodiment.

[0033] Figure 2 This is a diagram of Embodiment 3.

[0034] Figure 3 This is a diagram of Embodiment 4.

[0035] Figure 4 This is a diagram of Embodiment 5.

[0036] Figure 5 This is a diagram of Example 6.

[0037] Figure 6 This is a diagram of Embodiment 7.

[0038] Figure 7 This is a diagram of Embodiment 8.

[0039] Figure 8 This is a diagram of Embodiment 9.

[0040] Fig. 9 This is a diagram of embodiment 10.

[0041] Fig.10 This is a diagram of the eleventh embodiment.

[0042] Fig.11a A contour projection of an embodiment of a perturbation lens.

[0043] Fig.11b This is a contour projection of another embodiment of a perturbation lens.

[0044] Fig.12a It is the contour projection of an embodiment of a diffuser lens (diamond body).

[0045] Figure 12b It is the contour projection of another embodiment of the diffuser lens (wood grain strip).

[0046] Fig.12c It is the contour projection of another embodiment of the diffuser lens (a quadrilateral pyramid).

[0047] Fig.12d It is the contour projection of another embodiment of the diffuser lens (fine frosted body).

[0048] Fig.12e It is the contour projection of another embodiment of the diffuser lens (snowflake surface).

[0049] Fig.12f It is the contour projection of another embodiment (continuous free-form surface) of the diffuser lens.

[0050] Figure 12g It is the contour projection of another embodiment of the diffuser lens (rough frosted surface).

[0051] Figure 12h It is the contour projection of another embodiment of the diffuser lens (discontinuous free-form surface).

[0052] Explanation of the accompanying drawings: 1-laser; 11-emission port; 2-scattering lens; 21-scattering lens one; 22-scattering lens two; 23-scattering rotating disk; 24-light-passing hole one; 25-rotational fixed hole one; 2a-scattering lens a; 2b-scattering lens b; 2c-scattering lens c; 2d-scattering lens d; 3-disturbance lens; 31-disturbance lens one; 32-disturbance lens two; 33-arc convex surface; 34-rotational fixed hole two; 35-light-passing hole two. DETAILED DESCRIPTION

[0053] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0054] In the description of the present invention, unless otherwise clearly specified and limited, the term "connected" should be understood in a broad sense, and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0056] Embodiment 1:

[0057] This embodiment provides a method for projecting a three-dimensional special-shaped laser spot, comprising a light-emitting unit, a scattering unit and a continuous refraction unit, wherein the light-emitting unit emits a collimated laser beam; the scattering unit diverges the collimated laser beam, and the continuous refraction unit refracts the incident light. 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 are continuously and smoothly transitioned or discontinuously transitioned.

[0058] The collimated laser beam emitted by the light-emitting unit passes through the scattering unit and the continuous refraction unit in sequence, wherein the scattering unit can rotate around its own center line, so that the collimated laser beam undergoes complex changes after passing through the scattering unit; in addition, the continuous refraction unit can rotate around its own center line, and under the action of several curved convex surfaces, the emergent light forms a continuously transitional, undulating, and irregular laser spot change effect during the rotation process.

[0059] Embodiment 2:

[0060] As attached Figure 1 and attached Fig.11a As shown, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refractive element, wherein the scattering element is a scattering lens (2), and the scattering lens (2) is an uneven transparent optical lens with no fixed regular shape. The scattering lens (2) can be as shown in the attached Figure 12a-12h Any one of the embodiments shown or similar ones; the continuous refractive element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one side of which is provided with a plurality of arcuate convex surfaces (33), and the plurality of arcuate convex surfaces are continuously and smoothly transitioned or discontinuously transitioned.

[0061] The scattering lens (2) can be fixed and immovable, or can be driven by a driving mechanism to rotate around its own center line; the disturbance lens (3) has a second rotation fixing hole (34) at its center, and the disturbance lens is driven by the driving mechanism to rotate around its center line. It can be understood that the rotation of the scattering lens or the disturbance lens can be achieved by using the existing driving mechanism technology of the existing stage lighting fixtures.

[0062] The laser light source (1) is used to emit a collimated laser beam, the scattering lens (2) is used to scatter the incident collimated laser beam, and the disturbance lens (3) is used to refract the incident light; the collimated laser beam emitted by the laser light source (1) passes through the scattering lens (2) and the disturbance lens (3) in sequence.

[0063] Embodiment three:

[0064] As attached Figure 2 and attached Fig.11b As shown, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refractive element, wherein the scattering element is a scattering lens (2), and the scattering lens (2) is an uneven transparent optical lens with no fixed regular shape. The scattering lens (2) can be as shown in the attached Figure 12a-12h Any one of the embodiments shown or similar ones; the continuous refractive element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one side of which is provided with a plurality of arcuate convex surfaces (33), and the plurality of arcuate convex surfaces are continuously and smoothly transitioned or discontinuously transitioned.

[0065] The scattering lens (2) can be fixed and stationary, or can be driven by a driving mechanism to rotate around its own center line; the disturbance lens (3) has a second rotation fixing hole (34) at the center and a second light-transmitting hole (35) at the circumferential edge, and the disturbance lens (3) rotates around its center line by the driving mechanism. It can be understood that the rotation of the scattering lens or the disturbance lens can be achieved by using the existing driving mechanism technology of the existing stage lighting fixtures.

[0066] The laser light source (1) is used to emit a collimated laser beam, the scattering lens (2) is used to scatter the incident collimated laser beam, and the disturbance lens (3) is used to refract the incident light. The collimated laser beam emitted by the laser light source (1) passes through the scattering lens (2) and the disturbance lens (3) in sequence. At the same time, since the disturbance lens has a second light hole (35), the collimated laser beam emitted by the laser light source (1) can also be directly emitted from the second light hole (35) after passing through the scattering lens (2), thereby producing different projection effects.

[0067] Embodiment 4:

[0068] As attached Figure 3 and attached Fig.11a As shown, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refractive element, wherein the scattering element comprises a scattering lens 1 (21) and a scattering lens 2 (22), wherein the scattering lens 1 (21) and the scattering lens 2 (22) are both transparent optical lenses with irregular shapes and no fixed regular shape, and they can be as shown in the attached Figure 12a-12h Any one of the embodiments shown or similar ones; the continuous refractive element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one side of which is provided with a plurality of arcuate convex surfaces (33), and the plurality of arcuate convex surfaces are continuously and smoothly transitioned or discontinuously transitioned.

[0069] The scattering lens 1 (21) or the scattering lens 2 (22) can be fixed and immovable, or can be driven by a driving mechanism to rotate around its own center line; the disturbance lens (3) has a rotation fixing hole 2 (34) at its center, and the disturbance lens is driven by the driving mechanism to rotate around its center line. It can be understood that the rotation of the scattering lens or the disturbance lens can be achieved by using the existing driving mechanism technology of the existing stage lamps.

[0070] The laser light source (1) is used to emit a collimated laser beam, the scattering lens 1 (21) and the scattering lens 2 (22) are used to disperse the incident collimated laser beam, and the disturbance lens (3) is used to refract the incident light; the collimated laser beam emitted by the laser light source (1) passes through the scattering lens 1 (21), the scattering lens 2 (22), and the disturbance lens (3) in sequence.

[0071] The beneficial effect of the two scattering lenses is that the incident collimated laser beam is diverged twice, which can produce a more dispersed output beam, thereby projecting a three-dimensional undulating effect with an undulating form different from that of one scattering lens; at the same time, in the incident direction, the scattering lens 1 (21) and the scattering lens 2 (22) can be the same, as shown in the attached figure. Figure 12a-12h Any of the embodiments shown or similar, may also be different, as shown in the attached Figure 12a-12h Any two embodiments shown or similar; therefore, a richer three-dimensional profiled effect that is significantly different from a single scattering lens will be produced; of course, the weakness of the two scattering lenses is that a scattering process is added, which will result in the attenuation of the final light intensity.

[0072] Embodiment five:

[0073] As attached Figure 4 and attached Fig.11b As shown, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refractive element, wherein the scattering element comprises a scattering lens 1 (21) and a scattering lens 2 (22), wherein the scattering lens 1 (21) and the scattering lens 2 (22) are both transparent optical lenses with irregular shapes and no fixed regular shape, and they can be as shown in the attached Figure 12a-12h Any one of the embodiments shown or similar ones; the continuous refractive element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one side of which is provided with a plurality of arcuate convex surfaces (33), and the plurality of arcuate convex surfaces are continuously and smoothly transitioned or discontinuously transitioned.

[0074] The scattering lens 1 (21) or the scattering lens 2 (22) can be fixed and immovable, or can be driven by a driving mechanism to rotate around its own center line; the disturbance lens (3) has a rotation fixing hole 2 (34) in the center and a light-transmitting hole 2 (35) at the circumferential edge, and the disturbance lens (3) rotates around its center line by the driving mechanism. It can be understood that the rotation of the scattering lens or the disturbance lens can be achieved by using the existing driving mechanism technology of the existing stage lighting fixtures.

[0075] The laser light source (1) is used to emit a collimated laser beam, the scattering lens 1 (21) and the scattering lens 2 (22) are used to scatter the incident collimated laser beam, and the disturbance lens (3) is used to refract the incident light.

[0076] In addition to the beneficial effects of the fourth embodiment, the beneficial effects of this embodiment scheme also include that, because there is a second light hole (35) on the disturbance lens, the collimated laser light beam emitted by the laser light source (1) can pass through the first scattering lens (21) and the second scattering lens (22), and can also be directly emitted from the second light hole (35), thereby producing different projection effects.

[0077] Embodiment six:

[0078] As attached Figure 5 and attached Fig.11a As shown, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refractive element, wherein the scattering element is a scattering lens (2), and the scattering lens (2) is an uneven transparent optical lens with no fixed regular shape. The scattering lens (2) can be as shown in the attached Figure 12a-12h Any one of the embodiments shown or similar; the continuous refractive element includes a disturbance lens 1 (31) and a disturbance lens 2 (32), both of which are transparent optical lenses, at least one of which is provided with a plurality of arcuate convex surfaces (33), and the plurality of arcuate convex surfaces have a continuous and smooth transition or a discontinuous transition.

[0079] The scattering lens (2) can be fixed and immovable, or can be driven by a driving mechanism to rotate around its own center line; the center of the disturbance lens 1 (31) and the disturbance lens 2 (32) each has a rotation fixing hole 2 (34), and the disturbance lens is driven by the driving mechanism to rotate around the center line. It can be understood that the rotation of the scattering lens or the disturbance lens can be achieved by using the existing driving mechanism technology of the existing stage lamps.

[0080] The laser light source (1) is used to emit a collimated laser beam, the scattering lens (2) is used to scatter the incident collimated laser beam, and the disturbance lens 1 (31) or the disturbance lens 2 (32) is used to refract the incident light; the collimated laser beam emitted by the laser light source (1) passes through the scattering lens (2), the disturbance lens 1 (31), and the disturbance lens 2 (32) in sequence.

[0081] The beneficial effect of the two perturbation lenses is that, under the action of the two layers of several arc-shaped convex surfaces spaced apart, it is similar to imaging twice, which will produce a more obvious double continuous undulating three-dimensional special-shaped effect on the projection surface. Of course, the weakness of the two perturbation lenses is that due to the addition of an imaging lens, it will cause the final light intensity to attenuate.

[0082] Embodiment seven:

[0083] As attached Figure 6 and attached Fig.11bAs shown, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refractive element, wherein the scattering element is a scattering lens (2), and the scattering lens (2) is an uneven transparent optical lens with no fixed regular shape. The scattering lens (2) can be as shown in the attached Figure 12a-12h Any one of the embodiments shown or similar; the continuous refractive element includes a disturbance lens 1 (31) and a disturbance lens 2 (32), both of which are transparent optical lenses, at least one of which is provided with a plurality of arcuate convex surfaces (33), and the plurality of arcuate convex surfaces have a continuous and smooth transition or a discontinuous transition.

[0084] The scattering lens (2) can be fixed and immovable, or can be driven by a driving mechanism to rotate around its own center line; the disturbance lens 1 (31) and the disturbance lens 2 (32) each have a rotation fixing hole 2 (34) in the center, and a light-through hole 2 (35) at the circumferential edge; the disturbance lens 1 (31) or the disturbance lens 2 (32) can be driven by the driving mechanism to rotate around the center line. It can be understood that the rotation of the scattering lens or the disturbance lens can be achieved by using the existing driving mechanism technology of the existing stage lighting fixtures.

[0085] In addition to the beneficial effects of the sixth embodiment, the collimated laser beam emitted by the laser light source (1) can directly pass through the second light hole (35) of the second perturbation lens (32) after passing through the scattering lens (2), or directly pass through the second light hole (35) of the second perturbation lens (32) after passing through the first perturbation lens (31), or directly pass through the two second light holes (35), thereby producing different projection effects.

[0086] Embodiment eight:

[0087] As attached Figure 7 As shown, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refractive element, wherein the scattering element comprises a scattering rotating disk (23) and four scattering lenses, wherein the scattering rotating disk (23) is provided with four self-rotating disks for accommodating the scattering lenses and a rotation fixing hole (25) for fixing on a driving mechanism; the four scattering lenses are transparent optical lenses with irregular shapes and no fixed regular shapes, and they can be as shown in the attached Figure 12a-12hAny one of the embodiments shown or similar; the continuous refractive element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one side of which is provided with a plurality of arcuate convex surfaces (33), the plurality of arcuate convex surfaces are provided with a continuous smooth transition or a discontinuous transition, the center of the disturbance lens (3) is provided with a second rotation fixing hole (34) for fixing on a driving mechanism, and the circumferential edge of the disturbance lens (3) is provided with a second light-transmitting hole (35).

[0088] The scattering rotating disk (23) can rotate around its own center line under the drive of the driving mechanism. At the same time, the scattering lens a (2a), scattering lens b (2b), scattering lens c (2c), and scattering lens d (2d) can rotate on their own. The disturbance lens (3) can rotate around its own center line under the drive of the driving mechanism.

[0089] In the direction of the main optical axis (10), the laser light source (1) is used to emit a collimated laser beam, the scattering lens is used to disperse the incident collimated laser beam, and the disturbance lens (3) is used to refract the incident light; the collimated laser beam emitted by the laser light source (1) passes through the scattering lens and the disturbance lens (3) in sequence.

[0090] Since the scattering rotating disk (23) is rotatable and is provided with four rotatable scattering lenses, namely, scattering lens a (2a), scattering lens b (2b), scattering lens c (2c), and scattering lens d (2d), the scattering lenses can be selected for projection or switched for projection in the direction of the main optical axis (10) according to actual needs, and it can be selected whether to rotate or not, and each scattering effect is different. At the same time, the disturbance lens (3) is rotatable and contains a second light hole (35), so the disturbance lens (3) and the scattering lens can also form a combination of the second light hole (35) or a combination of the non-second light hole (35) area, thereby generating a more complex three-dimensional special-shaped laser spot effect.

[0091] In addition, in terms of the number of combinations, one scattering rotating disk (23) + one perturbation lens (3) may be used, one scattering rotating disk (23) + two perturbation lenses (3) may be used, or two scattering rotating disks (23) + one perturbation lens (3) may be used. All three combinations can produce a three-dimensional special-shaped laser spot effect.

[0092] Embodiment nine:

[0093] As attached Figure 8As shown, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refractive element, wherein the scattering element comprises a scattering rotating disk (23) and three scattering lenses, wherein the scattering rotating disk (23) is provided with three self-rotating disks for accommodating the scattering lenses, a light-through hole (24), and a rotation fixing hole (25) for fixing on a driving mechanism; the three scattering lenses are uneven transparent optical lenses without a fixed regular shape, and they can be as shown in the attached Figure 12a-12h Any one of the embodiments shown or similar; the continuous refractive element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one side of which is provided with a plurality of arcuate convex surfaces (33), the plurality of arcuate convex surfaces are provided with a continuous smooth transition or a discontinuous transition, the center of the disturbance lens (3) is provided with a second rotation fixing hole (34) for fixing on a driving mechanism, and the circumferential edge of the disturbance lens (3) is provided with a second light-transmitting hole (35).

[0094] The scattering rotating disk (23) can rotate around its own center line under the drive of the driving mechanism, and at the same time, the scattering lens b (2b), the scattering lens c (2c), and the scattering lens d (2d) can rotate on their own; the disturbance lens (3) can rotate around its own center line under the drive of the driving mechanism.

[0095] In the direction of the main optical axis (10), the laser light source (1) is used to emit a collimated laser beam, the scattering lens is used to disperse the incident collimated laser beam, and the disturbance lens (3) is used to refract the incident light; the collimated laser beam emitted by the laser light source (1) passes through the scattering lens and the disturbance lens (3) in sequence.

[0096] Since the scattering rotating disk (23) is rotatable and is provided with three rotatable scattering lenses, namely, scattering lens b (2b), scattering lens c (2c), and scattering lens d (2d), and light-through hole one (24), the scattering lenses can be selected for scattering projection or switched for projection in the direction of the main optical axis (10) according to actual needs, and it can be selected whether to rotate or not, and each scattering effect is different; in addition, light-through hole one (24) can be directly selected for transmission.

[0097] At the same time, the disturbance lens (3) is rotatable and contains the second light hole (35), so the disturbance lens (3) and the scattering lens can form various combinations, thereby producing a more complex three-dimensional special-shaped laser spot effect; it is also possible to choose to use a combination of the first light hole (24) and the second light hole (35), in which case the collimated laser beam emitted by the laser light source (1) is directly transmitted out.

[0098] In addition, in terms of the number of combinations, one scattering rotating disk (23) + one perturbation lens (3) may be used, one scattering rotating disk (23) + two perturbation lenses (3) may be used, or two scattering rotating disks (23) + one perturbation lens (3) may be used. All three combinations can produce a three-dimensional special-shaped laser spot effect.

[0099] Embodiment ten:

[0100] As attached Fig. 9 As shown, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refractive element, wherein the scattering element comprises a scattering rotating disk (23) and four scattering lenses, wherein the scattering rotating disk (23) is provided with four self-rotating disks for accommodating the scattering lenses and a rotation fixing hole (25) for fixing on a driving mechanism; the four scattering lenses are transparent optical lenses with irregular shapes and no fixed regular shapes, and they can be as shown in the attached Figure 12a-12h Any one of the embodiments shown or similar; the continuous refractive element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one side of which is provided with a plurality of arcuate convex surfaces (33), the plurality of arcuate convex surfaces are continuously and smoothly transitioned or discontinuously transitioned, and the center of the disturbance lens (3) is provided with a second rotation fixing hole (34) for fixing on a driving mechanism.

[0101] The scattering rotating disk (23) can rotate around its own center line under the drive of the driving mechanism. At the same time, the scattering lens a (2a), scattering lens b (2b), scattering lens c (2c), and scattering lens d (2d) can rotate on their own. The disturbance lens (3) can rotate around its own center line under the drive of the driving mechanism.

[0102] In the direction of the main optical axis (10), the laser light source (1) is used to emit a collimated laser beam, the scattering lens is used to disperse the incident collimated laser beam, and the disturbance lens (3) is used to refract the incident light; the collimated laser beam emitted by the laser light source (1) passes through the scattering lens and the disturbance lens (3) in sequence.

[0103] Since the scattering rotating disk (23) is rotatable and is provided with four rotatable scattering lenses, namely, scattering lens a (2a), scattering lens b (2b), scattering lens c (2c), and scattering lens d (2d), the scattering lenses can be selected for projection or switched for projection in the direction of the main optical axis (10) according to actual needs, and it can be selected whether to rotate or not, and each of the three-dimensional special-shaped laser spot effects is different.

[0104] In addition, in terms of the number of combinations, one scattering rotating disk (23) + one perturbation lens (3) may be used, one scattering rotating disk (23) + two perturbation lenses (3) may be used, or two scattering rotating disks (23) + one perturbation lens (3) may be used. All three combinations can produce a three-dimensional special-shaped laser spot effect.

[0105] Embodiment eleven:

[0106] As attached Fig.10 As shown, an optical system for projecting a three-dimensional special-shaped laser spot comprises a laser light source (1), a scattering element and a continuous refractive element, wherein the scattering element comprises a scattering rotating disk (23) and three scattering lenses, wherein the scattering rotating disk (23) is provided with three self-rotating disks for accommodating the scattering lenses, a light-through hole (24), and a rotation fixing hole (25) for fixing on a driving mechanism; the three scattering lenses are uneven transparent optical lenses without a fixed regular shape, and they can be as shown in the attached Figure 12a-12h Any one of the embodiments shown or similar; the continuous refractive element is a disturbance lens (3), the disturbance lens (3) is a transparent optical lens, at least one side of which is provided with a plurality of arcuate convex surfaces (33), the plurality of arcuate convex surfaces are continuously and smoothly transitioned or discontinuously transitioned, and the center of the disturbance lens (3) is provided with a second rotation fixing hole (34) for fixing on a driving mechanism.

[0107] The scattering rotating disk (23) can rotate around its own center line under the drive of the driving mechanism, and at the same time, the scattering lens b (2b), the scattering lens c (2c), and the scattering lens d (2d) can rotate on their own; the disturbance lens (3) can rotate around its own center line under the drive of the driving mechanism.

[0108] In the direction of the main optical axis (10), the laser light source (1) is used to emit a collimated laser beam, the scattering lens is used to disperse the incident collimated laser beam, and the disturbance lens (3) is used to refract the incident light; the collimated laser beam emitted by the laser light source (1) passes through the scattering lens and the disturbance lens (3) in sequence.

[0109] Since the scattering rotating disk (23) is rotatable and is provided with three rotatable scattering lenses, namely, scattering lens b (2b), scattering lens c (2c), and scattering lens d (2d), and a light hole 1 (24), the scattering lenses can be selected for projection or switched projection in the direction of the main optical axis (10) according to actual needs, and it can be selected whether to rotate or not, and each of the three-dimensional special-shaped laser spot effects produced is different; in addition, the light hole 1 (24) can be selected to be directly transmitted to the disturbance lens (3), and the disturbance lens (3) is rotatable, so that a rotating special-shaped laser disturbance effect can be generated.

[0110] In addition, in terms of the number of combinations, one scattering rotating disk (23) + one perturbation lens (3) may be used, one scattering rotating disk (23) + two perturbation lenses (3) may be used, or two scattering rotating disks (23) + one perturbation lens (3) may be used. All three combinations can produce a three-dimensional special-shaped laser spot effect.

[0111] A lamp includes a driving mechanism, a mounting plate, and also includes any optical system as described above for projecting a three-dimensional special-shaped laser spot. As a technician in this industry knows, in the field of stage and landscape lighting technology, the driving mechanism is widely and commonly used, generally including a stepper motor, a belt, a gear, a machined part, etc., and the mounting plate is generally a sheet metal part used to fix the stepper motor, stick a fixed lens, etc.; because the working method of the driving mechanism is a prior art, its working principle will not be described in detail here.

[0112] As those skilled in the art can understand, the technical solutions mentioned in the various embodiments of the optical system for projecting three-dimensional special-shaped laser spots described above, which involve the rotation of the scattering mirror rotating disk, the scattering mirror or the perturbation mirror, can be achieved by adopting simple mechanical principles, and therefore, no further detailed description is given here.

[0113] Therefore, whether the lamp can realize the projection of three-dimensional special-shaped laser spot depends on whether the method for realizing the projection of three-dimensional special-shaped laser spot described above is adopted or whether the optical system for projecting three-dimensional special-shaped laser spot described above is provided.

[0114] In the description herein, it should be understood that the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0115] In the description of this specification, the description with reference to the terms "an embodiment", "example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example.

[0116] In addition, it should be understood that although this specification is described according to implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0117] The technical principle of the present invention is described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without paying creative labor, and these methods will fall within the scope of protection of the present invention.

Claims

1. A method for projecting a three-dimensional special-shaped laser spot, characterized in that: include: A light emitting unit, emitting a collimated laser beam; A scattering unit, which diverges the collimated laser beam, wherein the scattering unit is an uneven transparent scattering element without a fixed regular shape; A continuous refraction unit refracts incident light, wherein at least one side of the continuous refraction unit is provided with a plurality of arcuate convex surfaces, wherein the radius of curvature of the arcuate convex surfaces continuously changes between 6 and 150 mm; a plurality of adjacent arcuate convex surfaces present a continuous smooth transition or a discontinuous transition; and the number of the continuous refraction unit is one; The collimated laser beam emitted by the light emitting unit passes through the scattering unit and the continuous refraction unit in sequence.

2. The method for projecting a three-dimensional special-shaped laser spot according to claim 1, characterized in that: The scattering unit is rotatable around its own center line.

3. The method for projecting a three-dimensional special-shaped laser spot according to claim 2, characterized in that: The scattering unit is provided with a light-through hole.

4. The method for projecting a three-dimensional special-shaped laser spot according to claim 1, characterized in that: The continuous refraction unit is rotatable around its own center line.

5. The method for projecting a three-dimensional special-shaped laser spot according to claim 4, characterized in that: The continuous refraction unit is provided with a light-through hole.

6. An optical system for projecting a three-dimensional special-shaped laser spot, characterized in that: The invention comprises a laser light source, a scattering element and a continuous refractive element, wherein the laser light source emits a collimated laser beam, the scattering element scatters the incident collimated laser beam, and the continuous refractive element refracts the incident light; the scattering element comprises a scattering lens, which is an uneven, transparent optical lens without a fixed regular shape; the continuous refractive element comprises a disturbance lens, which is a transparent optical lens, the number of the disturbance lens is 1, at least one side of the disturbance lens is provided with a plurality of arcuate convex surfaces, the plurality of the arcuate convex surfaces are in a continuous and smooth transition or a discontinuous transition, and the curvature radius of the arcuate convex surface varies continuously between 6-150 mm; the collimated laser beam emitted by the laser light source passes through the scattering element and the continuous refractive element in sequence.

7. The optical system for projecting a three-dimensional special-shaped laser spot according to claim 6, characterized in that: The laser light source is an RGB laser.

8. The optical system for projecting a three-dimensional special-shaped laser spot according to claim 6, characterized in that: The number of the scattering lenses is 1.

9. The optical system for projecting a three-dimensional special-shaped laser spot according to claim 6, characterized in that: The number of the scattering lenses is 2, and the two scattering lenses are arranged in sequence on the main light path; the number of the disturbance lens is 1.

10. The optical system for projecting a three-dimensional special-shaped laser spot according to claim 8 or 9, characterized in that: The scattering lens can be fixed or rotatable about its own center line.

11. The optical system for projecting a three-dimensional special-shaped laser spot according to claim 8 or 9, characterized in that: The perturbation mirror can rotate around its own center line.

12. The optical system for projecting a three-dimensional special-shaped laser spot according to claim 11, characterized in that: The disturbance lens is provided with a light-through hole.

13. The optical system for projecting a three-dimensional special-shaped laser spot according to claim 6, characterized in that: The arc height of the arc-shaped convex surface varies continuously between 0.05-1.5 mm.

14. The optical system for projecting a three-dimensional special-shaped laser spot according to claim 6, characterized in that: The scattering element further comprises a scattering rotating disk, on which a plurality of non-rotatable accommodating cavities for accommodating scattering lenses are arranged.

15. The optical system for projecting a three-dimensional special-shaped laser spot according to claim 6, characterized in that: The scattering element further comprises a scattering rotating disk, on which a plurality of self-rotating disks for accommodating scattering lenses are arranged.

16. The optical system for projecting a three-dimensional special-shaped laser spot according to claim 15 or 14, characterized in that: The scattering rotating disk also includes a light-through hole.

17. A lamp, comprising a driving mechanism and a mounting plate, characterized in that: It also includes the optical system for projecting a three-dimensional special-shaped laser spot as described in any one of claims 6-16, the driving mechanism provides power for the optical system, and the mounting plate is used to provide a mounting position for the optical system.

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