Continuous zooming illumination lens optical system

Abstract

The invention discloses a continuous zoom lighting lens optical system, which belongs to the technical field of light source guide manufacturing and is characterized in that a first condensing lens, a second condensing lens, a third condensing lens, a fourth condensing lens, a fifth condensing lens, a first focusing lens, a second focusing lens and a third focusing lens are sequentially arranged from the left side to the right side; and the focusing fourth lens, the focusing fifth lens and the focusing sixth lens can be used for condensing and using the light source.

Description

Technical Field

[0001] The invention relates to the technical field of sunlight indoor lighting manufacturing, in particular to a continuous zoom lighting lens optical system. Background Art

[0002] Indoor lighting mainly uses natural light and incandescent lamps. With the continuous advancement of science and technology, the upgrading of technology, and the popularization of the concept of low energy consumption, basements or darker areas in the room need to be illuminated. Natural light can be introduced for lighting, which is also an emerging technology field. Summary of the invention

[0003] The object of the present invention is to provide a continuous zoom illumination lens optical system to solve the problems raised in the above background technology.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a continuous zoom illumination lens optical system, characterized in that: a focusing first lens, a focusing second lens, a focusing third lens, a focusing fourth lens, a focusing fifth lens, a focusing first lens, a focusing second lens, a focusing third lens, a focusing fourth lens, a focusing fifth lens, and a focusing sixth lens are sequentially arranged from left to right; The first focusing lens is a concave-convex lens with the concave surface facing the left side, the second focusing lens is a biconvex lens, the third focusing lens is a concave-convex lens with the convex surface facing the left side, the fourth focusing lens is a biconvex lens, the fifth focusing lens is a biconvex lens, the first focusing lens is a biconcave lens, the second focusing lens is a biconvex lens, the third focusing lens is a concave-convex lens with the concave surface facing the left side, the fourth focusing lens is a biconvex lens, the fifth focusing lens is a biconcave lens, and the sixth focusing lens is a concave-convex lens with the concave surface facing the left side.

[0005] As a preferred technical solution, the left curvature radius of the first focusing lens is -117.60mm, the right curvature radius is -11.51mm, the center thickness is 8.05mm, the material is glass H-ZK11, and the outer contour diameter is 16.6mm; the left curvature radius of the second focusing lens is 46.12mm, the right curvature radius is -24.81mm, the center thickness is 5.65mm, the material is glass H-ZK11, and the outer contour diameter is 20mm; the left curvature radius of the third focusing lens is 30.70mm, and the right curvature radius is The radius of curvature of the left side of the focusing fourth lens is 20.48mm, the radius of curvature of the right side is -94.52mm, the thickness of the center is 4.6mm, the material is glass H-ZK11, and the diameter of the outline is 20mm; the radius of curvature of the left side of the focusing fifth lens is 35.50mm, the radius of curvature of the right side is -35.50mm, the thickness of the center is 5mm, the material is glass H-ZLAF75B, and the diameter of the outline is 23mm; The left curvature radius of the first focusing lens is 66.38mm, the right curvature radius is -66.38mm, the center thickness is 3.5mm, the material is glass H-ZLAF50E, and the outer contour diameter is 22.4mm; the left curvature radius of the second focusing lens is 23.02mm, the right curvature radius is 10.28mm, the center thickness is 2mm, the material is glass H-ZBAF21, and the outer contour diameter is 22.4mm; the left curvature radius of the third focusing lens is 10.28mm, the right curvature radius is -104.19mm, the center thickness is 9.95mm, the material is glass H-ZLAF50E, and the outer contour diameter is 19.2 mm; the left side curvature radius of the fourth focusing lens is -42.53mm, the right side curvature radius is 11.32mm, the center thickness is 7mm, the material is glass H-ZF52, and the outer profile diameter is 22.4mm; the left side curvature radius of the fifth focusing lens is -103.86mm, the right side curvature radius is 51.23mm, the center thickness is 1.5mm, the material is glass H-LAK52, and the outer profile diameter is 23.6mm; the left side curvature radius of the sixth focusing lens is -47.31mm, the right side curvature radius is -34.08mm, the center thickness is 3mm, the material is glass H-LAF55D, and the outer profile diameter is 29.5mm.

[0006] As an optimal technical solution, the distance between the focusing first lens and the focusing second lens along the optical axis direction is 0.69mm, the distance between the focusing second lens and the focusing third lens is 0.47mm, the focusing third lens and the focusing fourth lens are close together, the distance between the focusing fourth lens and the focusing fifth lens is 11.4mm, the distance between the focusing fifth lens and the focusing first lens is 6.4-15.12mmmm, the focusing first lens, the focusing second lens, and the focusing third lens are close together, the distance between the focusing third lens and the focusing fourth lens is 0.44mm, the distance between the focusing fourth lens and the focusing fifth lens is 2.47-22.17mm, and the distance between the focusing fifth lens and the focusing sixth lens is 3.43-23.13mm.

[0007] Compared with the prior art, the beneficial effects achieved by the present invention are: The light source is converged and the light intensity is evenly distributed within a certain irradiation range to meet people's high requirements for the comfort of the light environment, the vividness of the colors of objects, and the clarity of details. At the same time, in order to ensure the applicability of the product, the irradiation angle can be adjusted within the range of 15° to 36°, and the clarity of the edge contour of the light spot can be adjusted as needed. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 is a schematic diagram of an optical system of the present invention; Figure 2 is a ray tracing diagram of the present invention; Figure 3 It is a short-focus effect diagram of the present invention; Figure 4 It is the short-focus energy effect diagram of the present invention; Figure 5 is a short-focus straight coordinate light distribution curve diagram of the present invention; Figure 6 It is a telephoto effect diagram of the present invention; Figure 7 This is the telephoto energy effect diagram of the present invention Figure 8 It is a telephoto straight coordinate light distribution curve diagram of the present invention. DETAILED DESCRIPTION

[0009] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0010] like Figure 1 As shown, the present invention provides the following technical solution: a continuous zoom illumination lens optical system, characterized in that: from left to right, a focusing first lens 1, a focusing second lens 2, a focusing third lens 3, a focusing fourth lens 4, a focusing fifth lens 5, a focusing first lens 6, a focusing second lens 7, a focusing third lens 8, a focusing fourth lens 9, a focusing fifth lens 10, and a focusing sixth lens 11 are sequentially arranged; The focusing first lens 1 is a concave-convex lens with the concave surface facing the left side, the focusing second lens 2 is a biconvex lens, the focusing third lens 3 is a concave-convex lens with the convex surface facing the left side, the focusing fourth lens 4 is a biconvex lens, the focusing fifth lens 5 is a biconvex lens, the focusing first lens 6 is a biconcave lens, the focusing second lens 7 is a biconvex lens, the focusing third lens 8 is a concave-convex lens with the concave surface facing the left side, the focusing fourth lens 9 is a biconvex lens, the focusing fifth lens 10 is a biconcave lens, and the focusing sixth lens 11 is a concave-convex lens with the concave surface facing the left side.

[0011] As a preferred technical solution, the left curvature radius of the focusing first lens 1 is -117.60mm, the right curvature radius is -11.51mm, the center thickness is 8.05mm, the material is glass H-ZK11, and the outer contour diameter is 16.6mm; the left curvature radius of the focusing second lens 2 is 46.12mm, the right curvature radius is -24.81mm, the center thickness is 5.65mm, the material is glass H-ZK11, and the outer contour diameter is 20mm; the left curvature radius of the focusing third lens 3 is 30.70mm, and the right curvature radius is The diameter of the outer contour of the fourth focusing lens 4 is 15.37mm, the center thickness is 1.6mm, the material is glass H-ZF2, and the outer contour diameter is 20mm; the left curvature radius of the fourth focusing lens 4 is 20.48mm, the right curvature radius is -94.52mm, the center thickness is 4.6mm, the material is glass H-ZK11, and the outer contour diameter is 20mm; the left curvature radius of the fifth focusing lens 5 is 35.50mm, the right curvature radius is -35.50mm, the center thickness is 5mm, the material is glass H-ZLAF75B, and the outer contour diameter is 23mm; The left curvature radius of the first focusing lens 6 is 66.38mm, the right curvature radius is -66.38mm, the center thickness is 3.5mm, the material is glass H-ZLAF50E, and the outer contour diameter is 22.4mm; the left curvature radius of the second focusing lens 7 is 23.02mm, the right curvature radius is 10.28mm, the center thickness is 2mm, the material is glass H-ZBAF21, and the outer contour diameter is 22.4mm; the left curvature radius of the third focusing lens 8 is 10.28mm, the right curvature radius is -104.19mm, the center thickness is 9.95mm, the material is glass H-ZLAF50E, and the outer contour diameter is 19.2m m; the left side curvature radius of the fourth focusing lens 9 is -42.53mm, the right side curvature radius is 11.32mm, the center thickness is 7mm, the material is glass H-ZF52, and the outer profile diameter is 22.4mm; the left side curvature radius of the fifth focusing lens 10 is -103.86mm, the right side curvature radius is 51.23mm, the center thickness is 1.5mm, the material is glass H-LAK52, and the outer profile diameter is 23.6mm; the left side curvature radius of the sixth focusing lens 11 is -47.31mm, the right side curvature radius is -34.08mm, the center thickness is 3mm, the material is glass H-LAF55D, and the outer profile diameter is 29.5mm.

[0012] As a preferred technical solution, along the optical axis direction, the distance between the focusing first lens 1 and the focusing second lens 2 is 0.69 mm, the distance between the focusing second lens 2 and the focusing third lens 3 is 0.47 mm, the focusing third lens 3 and the focusing fourth lens 4 are close together, the distance between the focusing fourth lens 4 and the focusing fifth lens 5 is 11.4 mm, the distance between the focusing fifth lens 5 and the focusing first lens 6 is 6.4-15.12 mm, the focusing first lens 6, the focusing second lens 7, and the focusing third lens 8 are close together, the distance between the focusing third lens 8 and the focusing fourth lens 9 is 0.44 mm, the distance between the focusing fourth lens 9 and the focusing fifth lens 10 is 2.47-22.17 mm, and the distance between the focusing fifth lens 10 and the focusing sixth lens 11 is 3.43-23.13 mm.

[0013] The light emitted by the light source is gathered through the optical system, and a relatively uniform distribution of light intensity is achieved within a certain angle range through multiple groups of optical lenses of different materials and apertures. It is mainly used in lighting to converge light sources such as LEDs and make the light intensity evenly distributed within a certain irradiation range to meet people's high requirements for the comfort of the light environment, the vividness of the colors of objects, and the clarity of details. At the same time, in order to ensure the applicable scope of the product, the irradiation angle can be adjusted within the range of 15° to 36°, and the clarity of the edge contour of the light spot can be adjusted as needed.

[0014] Reference Figure 2 The focusing principle of the present invention is: after the light passes through each lens group, the divergent light forms the required light spot.

[0015] Reference Figure 3 The core technology of the present invention is to gather as much light as possible from the light source through the optical system. In the observation position analysis, under the short-focus condition, the light forms a light spot with relatively uniform light intensity within the range of φ400mm, and the light angle is 15.8°, which meets the design requirements. Figure 3 , at the analysis surface, the light is mainly concentrated within the range of φ400mm, which proves that the optical concentration is good. In practical applications, the position of the light receiving surface can be adjusted according to relevant needs to control the spot diameter and meet the transmission needs. Figure 4 The propagation of light through a surface at different incident angles at short focal length is shown in Figure 5 .

[0016] In the case of telephoto, the light forms a light spot with relatively uniform light intensity within the range of φ900mm, and the light angle is 34.8°. Figure 6 , at the analysis surface, the light is mainly concentrated within the range of φ900mm, which proves that the optical concentration is good. In practical applications, the position of the light receiving surface can be adjusted according to relevant needs to control the spot diameter and meet the transmission needs. Figure 7 . The propagation of light through a surface at different incident angles at telephoto is shown in Figure 8 .

[0017] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A continuous zoom illumination lens optical system, characterized in that: From the left side to the right side, a first focusing lens (1), a second focusing lens (2), a third focusing lens (3), a fourth focusing lens (4), a fifth focusing lens (5), a first focusing lens (6), a second focusing lens (7), a third focusing lens (8), a fourth focusing lens (9), a fifth focusing lens (10), and a sixth focusing lens (11) are sequentially arranged; The first focusing lens (1) is a concave-convex lens with a concave surface facing left, the second focusing lens (2) is a biconvex lens, the third focusing lens (3) is a concave-convex lens with a convex surface facing left, the fourth focusing lens (4) is a biconvex lens, the fifth focusing lens (5) is a biconvex lens, the first focusing lens (6) is a biconcave lens, the second focusing lens (7) is a biconvex lens, the third focusing lens (8) is a concave-convex lens with a concave surface facing left, the fourth focusing lens (9) is a biconvex lens, the fifth focusing lens (10) is a biconcave lens, and the sixth focusing lens (11) is a concave-convex lens with a concave surface facing left. The optical system has only the above 11 lenses having optical power.

2. The continuous zoom illumination lens optical system according to claim 1, characterized in that: The first focusing lens (1) has a left curvature radius of -117.60 mm, a right curvature radius of -11.51 mm, a center thickness of 8.05 mm, is made of glass H-ZK11, and has an outer profile diameter of 16.6 mm; the second focusing lens (2) has a left curvature radius of 46.12 mm, a right curvature radius of -24.81 mm, a center thickness of 5.65 mm, is made of glass H-ZK11, and has an outer profile diameter of 20 mm; the third focusing lens (3) has a left curvature radius of 30.70 mm, a right curvature radius of 15 .37mm, the center thickness is 1.6mm, the material is glass H-ZF2, and the outer profile diameter is 20mm; the left curvature radius of the focusing fourth lens (4) is 20.48mm, the right curvature radius is -94.52mm, the center thickness is 4.6mm, the material is glass H-ZK11, and the outer profile diameter is 20mm; the left curvature radius of the focusing fifth lens (5) is 35.50mm, the right curvature radius is -35.50mm, the center thickness is 5mm, the material is glass H-ZLAF75B, and the outer profile diameter is 23mm; The first focusing lens (6) has a left curvature radius of 66.38 mm, a right curvature radius of -66.38 mm, a center thickness of 3.5 mm, and is made of glass H-ZLAF50E. The outer contour diameter is 22.4 mm. The second focusing lens (7) has a left curvature radius of 23.02 mm, a right curvature radius of 10.28 mm, a center thickness of 2 mm, and is made of glass H-ZBAF21. The outer contour diameter is 22.4 mm. The third focusing lens (8) has a left curvature radius of 10.28 mm, a right curvature radius of -104.19 mm, a center thickness of 9.95 mm, and is made of glass H-ZLAF50E. The outer contour diameter is 19.2 mm. m; the left curvature radius of the fourth focusing lens (9) is -42.53 mm, the right curvature radius is 11.32 mm, the center thickness is 7 mm, the material is glass H-ZF52, and the outer profile diameter is 22.4 mm; the left curvature radius of the fifth focusing lens (10) is -103.86 mm, the right curvature radius is 51.23 mm, the center thickness is 1.5 mm, the material is glass H-LAK52, and the outer profile diameter is 23.6 mm; the left curvature radius of the sixth focusing lens (11) is -47.31 mm, the right curvature radius is -34.08 mm, the center thickness is 3 mm, the material is glass H-LAF55D, and the outer profile diameter is 29.5 mm.

3. The continuous zoom illumination lens optical system according to claim 1, characterized in that: Along the optical axis direction, the distance between the first focusing lens (1) and the second focusing lens (2) is 0.69 mm, the distance between the second focusing lens (2) and the third focusing lens (3) is 0.47 mm, the third focusing lens (3) and the fourth focusing lens (4) are close together, the distance between the fourth focusing lens (4) and the fifth focusing lens (5) is 11.4 mm, the distance between the fifth focusing lens (5) and the first focusing lens (6) is 6.4-15.12 mm, the first focusing lens (6), the second focusing lens (7) and the third focusing lens (8) are close together, the distance between the third focusing lens (8) and the fourth focusing lens (9) is 0.44 mm, the distance between the fourth focusing lens (9) and the fifth focusing lens (10) is 2.47-22.17 mm, and the distance between the fifth focusing lens (10) and the sixth focusing lens (11) is 3.43-23.13 mm.

Images