CN218099672U - Spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization - Google Patents
Spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization Download PDFInfo
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- CN218099672U CN218099672U CN202221866374.8U CN202221866374U CN218099672U CN 218099672 U CN218099672 U CN 218099672U CN 202221866374 U CN202221866374 U CN 202221866374U CN 218099672 U CN218099672 U CN 218099672U
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Abstract
The utility model relates to a spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization, which relates to the technical field of solar photo-thermal utilization and comprises a substrate and biconvex cylindrical lenses; the substrate is in a plate shape with two smooth surfaces, one surface of the biconvex cylindrical lens is horizontal, and the other surface of the biconvex cylindrical lens is a smooth surface with a thick middle part and a thin edge; a plurality of the biconvex cylindrical lenses are arranged on the upper surface and the lower surface of the substrate in parallel, and the horizontal surface of each biconvex cylindrical lens is connected with the substrate; the biconvex cylindrical lens connected above the substrate and the biconvex cylindrical lens connected below the substrate are symmetrical with respect to the substrate. The advantages are that: the spherical or aspherical surface biconvex cylindrical lens array for solar photo-thermal utilization has the advantages that the structure is simple, the installation is convenient, and the solar energy conversion and utilization efficiency is improved by integrating the biconvex cylindrical lenses on the substrate; meanwhile, due to the design of the base plate, installation, cleaning, maintenance and maintenance are facilitated.
Description
Technical Field
The utility model relates to a solar photothermal utilization technical field, more specifically says, relates to a sphere or aspheric surface biconvex cylindrical lens array that solar photothermal utilized.
Background
With the development of society, the development of clean energy has become the research and development focus of various research institutes, various companies and individuals; the solar energy utilization has the advantages of abundant resources and cleanness, so that the solar energy utilization becomes the research and development direction of extensive researchers; in the solar energy utilization, the convex lens has a focusing function and high solar energy absorption efficiency, so the convex lens is widely applied.
The solar photo-thermal refers to the heat energy of solar radiation, and the solar photo-thermal utilization, besides a solar water heater, a solar house, a solar cooker, a solar greenhouse, a solar drying system, a solar soil disinfection and sterilization technology and the like, and the development and utilization of solar energy will be an important direction for the development of future energy.
A convex lens is a common lens, thick in the middle and thin at the edge; parallel light rays (such as sunlight) can be emitted into the convex lens in parallel with a main optical axis (a connecting line of spherical centers of two spherical surfaces of the convex lens is called the main optical axis of the convex lens), and the light is refracted twice on two surfaces of the lens and then is concentrated on one point on the axis, which is called a focal point of the convex lens, and solar photothermal light is concentrated on the point.
The existing solar photo-thermal utilization technology is mostly a common flat plate collector without a focusing function, energy flux density of solar photo-thermal energy is not improved, and working operation temperature of a heat exchange working medium is not more than 200 ℃ at most, so that the common heat collecting plate of the technology is only suitable for preparing domestic hot water, heating and other medium and low temperature solar photo-thermal utilization, and cannot be used in the field of high temperature utilization of solar energy with the temperature of 500-1200 ℃ for photo-thermal power generation and the like.
Patent documents: CN201138079, day of announcement: 20081022 discloses a convex lens solar energy collecting and utilizing device, which comprises a bracket, dozens of graded optical fiber lighting devices, a solar energy collecting box, optical fibers and a photo-thermal converter; the solar collecting box is arranged on the bracket; the solar collection box comprises a box body and a convex lens panel, wherein the convex lens panel is composed of dozens of convex lenses arranged on the same plane; the end of each gradual-change optical fiber lighting device is connected with a transmission optical fiber, dozens of transmission optical fibers are bundled into a whole to form an optical fiber, and the output end of the optical fiber is fixed on the photo-thermal converter.
Has the advantages that: the heat pump can be used for heating and cooking, and can also be used for providing heat energy for the positive displacement continuous engine to drive the engine. However, the technical scheme is to use optical fibers, a photothermal converter and the like, has a complex structure and high manufacturing cost, and is not beneficial to wide production and use.
The foregoing description is provided for general background information and does not necessarily constitute prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sphere or aspheric surface biconvex cylindrical lens array that solar photothermal utilized, simple structure, be convenient for installation and clean maintenance and maintenance have improved solar energy conversion utilization efficiency.
The utility model provides a spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization, which comprises a substrate and a biconvex cylindrical lens; the substrate is in a plate shape with two smooth surfaces, one surface of the biconvex cylindrical lens is horizontal, and the other surface of the biconvex cylindrical lens is a smooth surface with a thick middle part and a thin edge; a plurality of the biconvex cylindrical lenses are arranged on the upper surface and the lower surface of the substrate in parallel, and the horizontal surface of each biconvex cylindrical lens is connected with the substrate; the biconvex cylindrical lens connected above the substrate and the biconvex cylindrical lens connected below the substrate are symmetrical with respect to the substrate.
Furthermore, one side of the biconvex cylindrical lens is horizontal, and the other side of the biconvex cylindrical lens is a smooth cylindrical surface; the biconvex cylindrical lens is formed by cutting a cylinder along a plane parallel to the axis.
Furthermore, one surface of the biconvex cylindrical lens is horizontal, and the other surface of the biconvex cylindrical lens is a smooth elliptic cylindrical surface; the biconvex cylindrical lens is formed by cutting an elliptical cylinder along a plane parallel to the major axis or the minor axis of the elliptical cross-section.
Further, the substrate is in a shape of a rectangular plate, and the horizontal section of the biconvex cylindrical lens is rectangular; the plurality of the biconvex cylindrical lenses are arranged in contact along the first extending direction to form a one-sided biconvex cylindrical lens column in the first extending direction.
Further, the lenticular lens column on one side of the substrate includes 19 lenticular lenses.
Further, the first extending direction is parallel to a long side of the rectangular parallelepiped plate-shaped substrate.
Further, the substrate and the biconvex cylindrical lens are connected in an integrated molding manner.
Further, the substrate and the biconvex cylindrical lens are made of the same material.
The spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization provided by the utility model has the advantages that the structure is simple, the installation is convenient, and the solar energy conversion and utilization efficiency is improved by integrating a plurality of biconvex cylindrical lenses on the substrate; meanwhile, due to the design of the base plate, installation, cleaning, maintenance and maintenance are facilitated.
Drawings
Fig. 1 is a schematic structural view of a spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization according to an embodiment of the present invention.
Fig. 2 is a front view schematically illustrating a spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization in fig. 1.
Fig. 3 is a schematic structural diagram of another view angle of the spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization in fig. 1.
Fig. 4 is a schematic top view of the spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization in fig. 1.
The reference numerals and components referred to in the drawings are as follows:
1. substrate board
2. Biconvex cylindrical lens
3. Lenticular lens array
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Example 1
Fig. 1 is a schematic structural view of a spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization provided in the embodiment of the present invention, and fig. 3 is a schematic structural view of another viewing angle of the spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization in fig. 1. Referring to fig. 1 and 3, a spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization according to an embodiment of the present invention includes a substrate 1 and a biconvex cylindrical lens 2; the substrate 1 is in a plate shape with two smooth surfaces, one surface of the biconvex cylindrical lens 2 is horizontal, and the other surface of the biconvex cylindrical lens 2 is a smooth surface with a thick middle part and thin edges; a plurality of the biconvex cylindrical lenses 2 are arranged on the upper surface and the lower surface of the substrate 1 in parallel, and the horizontal surface of each biconvex cylindrical lens 2 is connected with the substrate 1; the biconvex cylindrical lens 2 connected above the substrate 1 and the biconvex cylindrical lens 2 connected below the substrate 1 are symmetrical with respect to the substrate 1.
It should be noted that, the spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization provided by the utility model integrates the biconvex cylindrical lenses 2 on the two sides of the substrate 1, has simple structure and convenient installation, and improves the solar energy conversion and utilization efficiency; meanwhile, through the focusing function of the biconvex cylindrical lens 2, compared with a circular convex lens, the biconvex cylindrical lens 2 improves the heat collection area, improves the energy flux density of solar photo-thermal energy, and the temperature can reach thousands of degrees; therefore, the utility model not only can prepare domestic hot water and supply heat and other medium and low temperature solar energy for heat utilization, but also can be used in the field of high temperature utilization of solar energy with the temperature as high as 500-1200 ℃ for photo-thermal power generation and the like; meanwhile, the design of the base plate 1 is convenient for installation, cleaning, maintenance and maintenance.
Furthermore, one surface of the biconvex cylindrical lens 2 is horizontal, and the other surface of the biconvex cylindrical lens 2 is a smooth cylindrical surface; the biconvex cylindrical lens 2 is formed by cutting a cylindrical shape along a plane parallel to the axis. It should be noted that the design of the cylindrical surface of the biconvex cylindrical lens 2 increases the focusing area of the biconvex cylindrical lens 2, thereby further improving the solar energy conversion and utilization efficiency; meanwhile, the regular cylindrical surface is convenient for production and manufacturing.
Further, one side of the biconvex cylindrical lens 2 is horizontal, and the other side of the biconvex cylindrical lens 2 is a smooth elliptic cylindrical surface; the biconvex cylindrical lens 2 is formed by cutting an elliptical cylinder along a plane parallel to the major axis or the minor axis of the elliptical cross-section. It should be noted that the curvature radius of the biconvex cylindrical lens 2 of the elliptic cylindrical surface changes with the central axis, so that the focusing is dispersed, the heat collecting area can be further enlarged, and the solar energy conversion and utilization efficiency is improved.
Fig. 4 is a schematic top view of the spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization in fig. 1. Referring to fig. 4, the substrate 1 provided by the present invention is a rectangular plate, and the horizontal cross section of the biconvex cylindrical lens 2 is rectangular; a plurality of the lenticular lenses 2 are arranged in contact along the first extending direction to form one lenticular lens row 3 in the first extending direction. Specifically, the lenticular lens array 3 on one side of the substrate 1 includes 19 lenticular lenses 2; the first extending direction is parallel to the long side of the rectangular parallelepiped plate-shaped substrate 1.
It should be noted that, the design of base plate 1 cuboid platelike and the array setting of biconvex cylindrical lens 2 are convenient for with the utility model discloses a spherical surface or aspheric surface biconvex cylindrical lens array integration that solar photothermal utilized is on the device that needs the heating.
Fig. 2 is a front view schematically illustrating the spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization in fig. 1. Referring to fig. 2, the substrate 1 and the biconvex cylindrical lens 2 provided by the present invention are integrally formed and connected; the substrate 1 and the biconvex cylindrical lens 2 are made of the same material. It should be noted that, the substrate 1 and the biconvex cylindrical lens 2 are integrally formed and designed with the same material, so that light is not interfered by the joint of the substrate 1 and the biconvex cylindrical lens 2 when being transmitted, and the solar energy conversion and utilization efficiency is improved.
Based on the above description, the utility model discloses the advantage lies in:
1. the utility model discloses a sphere or aspheric surface biconvex cylinder lens array that solar photothermal utilized, through with a plurality of biconvex cylinder lens 2 integration on 1 two sides of base plate, simple structure, the installation of being convenient for have improved solar energy conversion utilization efficiency.
2. The spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization of the utility model has the advantages that through the focusing function of the biconvex cylindrical lens 2, compared with a circular convex lens, the biconvex cylindrical lens 2 improves the heat collection area, improves the energy flux density of solar photo-thermal energy, and the temperature can reach thousands of degrees; therefore, the utility model discloses not only can prepare the solar photothermal utilization of low temperature such as life hot water, heating, but also can be used to the field that temperature reaches 500 ~ 1200 ℃ solar energy high temperature utilization such as solar thermal power generation.
3. The utility model discloses a sphere or aspheric surface biconvex cylindrical lens array that solar photothermal utilized, the clean maintenance of installation and maintenance are convenient for to base plate 1's design simultaneously.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization is characterized by comprising a substrate (1) and a biconvex cylindrical lens (2); the substrate (1) is in a plate shape with two smooth surfaces, one surface of the biconvex cylindrical lens (2) is horizontal, and the other surface of the biconvex cylindrical lens (2) is a smooth surface with a thick middle part and thin edges;
a plurality of the biconvex cylindrical lenses (2) are arranged on the upper surface and the lower surface of the substrate (1) in parallel, and the horizontal surface of each biconvex cylindrical lens (2) is connected with the substrate (1); the biconvex cylindrical lens (2) connected above the substrate (1) and the biconvex cylindrical lens (2) connected below the substrate (1) are symmetrical with respect to the substrate (1).
2. The spherical or aspherical biconvex cylindrical lens array according to claim 1, wherein one side of the biconvex cylindrical lens (2) is horizontal and the other side of the biconvex cylindrical lens (2) is a smooth cylindrical surface; the biconvex cylindrical lens (2) is formed by cutting a cylinder along a plane parallel to the axis.
3. The spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization according to claim 1, wherein one side of the biconvex cylindrical lens (2) is horizontal, and the other side of the biconvex cylindrical lens (2) is a smooth elliptic cylindrical surface; the biconvex cylindrical lens (2) is formed by cutting an elliptical cylinder along a plane parallel to the major axis or the minor axis of the elliptical cross section.
4. The spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization according to claim 1, wherein the substrate (1) has a shape of a rectangular parallelepiped, and the horizontal cross section of the biconvex cylindrical lens (2) has a rectangular shape; a plurality of the biconvex cylindrical lenses (2) are arranged in contact along the first extending direction to form a biconvex cylindrical lens column (3) in the first extending direction.
5. The spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization according to claim 4, wherein the row (3) of biconvex cylindrical lenses on the substrate (1) comprises 19 biconvex cylindrical lenses (2).
6. The spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization according to claim 4, wherein the first extending direction is parallel to the long side of the rectangular parallelepiped plate-shaped substrate (1).
7. The spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization according to claim 1, wherein the substrate (1) and the biconvex cylindrical lens (2) are integrally connected.
8. The spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization according to claim 1, wherein the substrate (1) and the biconvex cylindrical lens (2) are made of the same material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221866374.8U CN218099672U (en) | 2022-07-19 | 2022-07-19 | Spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221866374.8U CN218099672U (en) | 2022-07-19 | 2022-07-19 | Spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization |
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| CN218099672U true CN218099672U (en) | 2022-12-20 |
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| CN202221866374.8U Active CN218099672U (en) | 2022-07-19 | 2022-07-19 | Spherical or aspherical biconvex cylindrical lens array for solar photo-thermal utilization |
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