WO2018192508A1

WO2018192508A1 - Surface-reflective focusing solar power application device

Info

Publication number: WO2018192508A1
Application number: PCT/CN2018/083458
Authority: WO
Inventors: 李国华
Original assignee: 杭州凌萤科技有限公司
Priority date: 2017-04-19
Filing date: 2018-04-18
Publication date: 2018-10-25

Abstract

A surface-reflective focusing panel solar power collector, comprising a frame (1), wherein a reflective substrate (5) is installed on the bottom of the frame (1), and a transmittance device (2) is installed on the top of the frame (1); a solar power absorbing device is installed inside of the frame (1); and installed inside of the frame (1) and between the reflective substrate (5) and the transmittance device (2) are a solar power absorption device and a surface reflector (4). The solar power collector features a simple structure and good focusing effect.

Description

Curved reflective concentrating solar energy application device

Technical field

The invention belongs to the technical field of solar thermal energy application, and in particular relates to a curved reflective concentrating solar energy application device.

Background technique

Solar energy is a renewable energy source. It has the characteristics of inexhaustible, environmentally friendly and non-polluting. The solar water heater has obvious energy-saving effect, saves cost, is safe and reliable to use, and can realize the hot water demand of the central hot water of the whole family through multiple water supply. As a clean and pollution-free green environmental protection device, solar water heaters are getting more and more popular.

However, the current solar water heaters are generally too large in size, and the solar water heater tubes are directly receiving the sun light, and there are problems such as low light-to-heat conversion efficiency, rapid heat dissipation, and poor heat preservation effect.

In addition, at present, most popular solar water heaters on the market are vacuum tube solar water heaters and flat-plate solar water heaters. There are sufficient sunshine in summer, too much heat, and it is easy to cause boiling. In winter, there is a lack of sunshine and insufficient heat, so the water temperature is difficult to reach a certain temperature. Unable to meet hot water demand.

Summary of the invention

The object of the present invention is to provide a curved reflective concentrating solar energy application device with smaller volume and better concentrating effect.

In order to achieve the above object, the present invention adopts the following technical solutions:

A curved reflective concentrating solar energy application device, comprising: a frame, a bottom of the frame is mounted with a reflective bottom plate, and a light transmitting device is mounted on the upper portion of the frame, the frame is located between the reflective bottom plate and the transparent device Solar absorbing device and curved reflector are installed.

In the above curved reflective concentrating solar energy application device, the solar energy absorbing device is one or more solar heat absorbing tubes installed inside the frame; the light transmitting device is a transparent cover plate that is disposed on the upper portion of the frame.

In the above-mentioned curved reflective concentrating solar energy application device, the frame has a solar heat absorbing tube inside, the frame has a plurality of curved reflectors inside, and the plurality of curved reflectors form a curved reflector array inside the frame, and more Each of the curved reflectors is disposed toward the solar heat absorbing tube such that the curved reflector array and the reflective bottom plate constitute an optical path for guiding light to the solar heat absorbing tube;

Or the inside of the frame has a plurality of solar heat absorbing tubes and a plurality of curved reflectors, and each of the solar tubes and the plurality of curved reflectors and the partially reflective bottom plate form a set of collectors, each set of collectors A plurality of curved reflectors are oriented toward the set of solar heat absorbing tubes such that the curved reflectors and the partially reflective bottom plates in each set of collectors can form solar energy for directing light into the set of collectors The optical path of the heat absorbing tube.

In the above curved reflective concentrating solar energy application device, the curved reflector has a multi-curved structure having a first curved concave surface, a second vertical surface, and a third progressive curved surface, and the first curved concave surface and the second curved surface The vertical faces are connected, the second vertical face is connected to the third progressive curved surface, and the third progressive curved convex surface is connected to the first curved concave surface to form a first curved concave surface, a second vertical surface and a third progressive surface The convex surface of the curved surface meets end to end, and the concave surface of the first curved surface faces the corresponding solar heat absorbing tube.

In the above curved reflective concentrating solar application device, the cross section of the first curved concave surface is a circular arc surface; the cross section length of the second vertical surface is L1, and L1=R[sin(α3/ 2) - sin(α/2)], where R represents the radius of the circle in which the circular arc surface is located, α represents the central angle of the circular arc surface; the third progressive curved surface has a cross-sectional length of L2, and

In the above curved reflective concentrating solar application device, the distance between the bottom surface of the curved reflector array and the reflective bottom plate is H, and the H=[(D2-D1)/2+D1)/4~ (D2-D1) / 2 + D1)], wherein D1 represents the inner diameter of the solar heat absorbing tube, and D2 represents the outer diameter of the solar heat absorbing tube;

The second vertical surface is disposed perpendicular to the reflective bottom plate, or the curved reflector is deflected by 0° to 10° toward the solar heat absorbing tube.

In the above curved reflective concentrating solar application device, the spacing between adjacent curved reflectors in the curved reflector array is L3, and L3=R[con(α/2)-con(α3/2 )], where R represents the radius of the circle in which the circular arc surface is located, and α represents the central angle of the circular arc surface.

In the above curved reflective concentrating solar application device, an angle adjusting device and a light absorbing heat sink are further included; and the solar absorbing device is a solar heat absorbing device.

In the above-mentioned curved reflective concentrating solar energy application device, the reflective bottom plate is composed of one or more segments of reflectors to form an array of reflectors, and the reflector is in a polyhedral structure; the light absorbing and dissipating device is fixedly disposed on the inner wall of the frame, or It is formed in one piece with the frame.

In the above-mentioned curved reflective concentrating solar application device, the frame has a plurality of curved reflectors inside, and a plurality of curved reflectors form a curved reflector array inside the frame, and each curved reflector is disposed along the longitudinal direction of the frame. The angle adjusting device comprises two mounting brackets disposed inside the frame and respectively located at two ends of the curved reflector, each mounting bracket comprises a horizontal connecting rod and two vertical supporting frames, and the vertical supporting frame is vertically fixed at the reflection On the bottom plate, two ends of the horizontal connecting rod are respectively connected to two vertical supporting frames, and two ends of the curved reflector are respectively hinged on the horizontal connecting rod, so that the curved reflector can be adjusted in an angle;

Alternatively, the angle adjusting device includes a first driving motor mounted on each of the reflectors, and each of the driving motors separately adjusts an angle of each of the reflectors;

Alternatively, each of the curved reflectors has a cogging structure, and the angle adjusting device includes a gear or a sprocket capable of meshing with the cogging structure, and a portion capable of driving the spur gear or the sprocket to adjust the angle of the curved reflector Two drive motors.

In the above curved reflective concentrating solar application device, further comprising a photoelectric conversion device mounted on the bottom of the frame, and the photoelectric conversion device is configured to convert light in a spectral range into electrical energy and/or to reflect the photoelectric conversion The device converts light outside the spectral range, and the photoelectric conversion device and the reflective substrate form an optical path for directing light outside the converted spectral range of the photoelectric conversion device to the solar heat absorbing tube.

In the above-described curved reflective concentrating solar energy application device, the solar heat absorbing tube is replaced by a photoelectric conversion device, and a backlight surface of the photoelectric conversion device is provided with a cooling device for cooling the photoelectric conversion device; and the curved reflector is The reflective substrate constitutes an optical path for directing light toward the photoelectric conversion device.

In the above-mentioned curved reflective concentrating solar energy application device, the solar energy absorbing device is a solar heat collector, and the light transmitting device is a transparent cover plate that is disposed on an upper portion of the frame.

In the above curved reflective concentrating solar application device, the frame has a cylindrical structure, and the solar collector is installed at a center of the frame; the frame has a plurality of curved reflectors inside, and a plurality of curved surfaces are reflected The body forms an array of curved reflectors inside the frame, and the curved reflector gradually tapers from the periphery to the center.

In the above-mentioned curved reflective concentrating solar energy application device, the curved reflector is rotatably disposed, and the angle between each curved reflector and the reflective bottom plate is the same or different by adjusting the angle between the curved reflector and the reflective bottom plate;

The curved reflector array and the reflective substrate form an optical path for guiding light to the solar collector;

The reflective bottom plate is composed of one or more curved surfaces, and each curved surface can be rotated, and the curved surfaces of the segments have the same or different curvatures.

Compared with the prior art, the invention has the advantages of simple structure, small volume, good concentrating effect, high utilization rate of light energy, adjustable receiving heat and the like.

Instruction sheet

1 is a schematic structural view of a curved reflective concentrating solar energy application device according to an embodiment of the present invention;

Figure 2 is an enlarged view of a portion A of Figure 1;

3 is a schematic structural view of a curved reflector according to an embodiment of the present invention;

4 is a schematic side view showing the structure of a curved reflective concentrating solar energy application device according to Embodiment 1 of the present invention;

5 is a schematic diagram of a transmission process of a light in a curved reflective concentrating solar energy application device according to an embodiment of the present invention;

6 is a side view showing the structure of a curved reflective concentrating solar energy application device having a double solar heat absorbing tube according to Embodiment 2 of the present invention;

7 is a side view showing the structure of a curved reflective concentrating solar energy application device having a plurality of solar heat absorbing tubes according to Embodiment 2 of the present invention;

8 is a schematic structural view of a three-surface reflective concentrating solar energy application device according to an embodiment of the present invention;

9 is a schematic side view showing the structure of a three-surface reflective concentrating solar energy application device according to an embodiment of the present invention;

10 is a schematic structural view of a four-surface reflective concentrating solar energy application device according to an embodiment of the present invention;

11 is a schematic structural view of a five-surface reflective concentrating solar energy application device according to an embodiment of the present invention;

12 is a side view showing the structure of a five-surface reflective concentrating solar energy application device according to an embodiment of the present invention;

13 is a schematic view showing the assembly structure of a six-surface reflective concentrating solar energy application device according to an embodiment of the present invention;

Figure 14 is a cross-sectional view showing a six-surface curved concentrating solar energy application device according to an embodiment of the present invention.

Reference numerals: frame 1; transparent cover 2; solar heat absorbing tube 3; curved reflector 4; reflective bottom plate 5; angle adjusting device 6; light absorbing heat sink 7, cooling device 8, photoelectric conversion device 9.

detailed description

The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

The terminology used herein is for the purpose of describing the particular embodiments, The singular forms "a", "an", It is also to be understood that the terms "comprising" and """ Other features, integers, steps, operations, units, components, and/or combinations thereof.

The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

Embodiment 1

As shown in FIG. 1 , the embodiment discloses a curved reflective concentrating solar energy application device, which comprises a frame 1 , a reflective bottom plate 5 with reflected light is mounted on the bottom of the frame 1 , and a transparent device mounted on the upper part of the frame 1 is arranged. A solar absorbing device and a curved reflector 4 are mounted between the reflective bottom plate 5 and the light transmitting device.

Moreover, as shown in FIG. 2, the solar absorption device herein is one or more solar heat absorption tubes 3 installed inside the frame 1, and the solar heat absorption tube 3 is used for converting light energy into electric energy to heat the working medium in the solar tube. Since the solar heat absorbing tube 3 is located inside the frame 1, the heat preservation effect is good, and the utility model has the advantages of anti-freezing and no external force, and the material thereof can be a copper tube or a vacuum glass tube;

The transparent device is a transparent cover 2 which is disposed on the upper part of the frame 1. The transparent cover 2 functions to transmit light and seal, and protect the internal structure. The transparent plate can be treated by coating, convex and concave pattern to increase the light transmittance.

Specifically, the frame 1 has a solar heat absorbing tube 3 and a plurality of curved reflectors 4 inside, and the plurality of curved reflectors 4 form an array of curved reflectors 4 inside the frame 1 and a plurality of curved reflectors of the array of curved reflectors 4 4 is arranged at a desired pitch and angle, and a plurality of curved reflectors 4 are disposed toward the solar heat absorbing tube 3, so that the array of curved reflectors 4 and the reflective bottom plate 5 are configured to guide light to the solar energy. The optical path of the heat absorbing tube 3. And the reflective bottom plate 5 can be integrally formed with the frame 1, or can be mounted on the bottom of the frame 1 for a single component, which has the effect of reflecting light and protecting the internal structure of the frame 1.

Further, as shown in FIG. 3, the curved reflector 4 has a multi-curved structure having a first curved concave surface, a second vertical curved surface, and a third progressive curved convex surface, and the first curved concave surface is connected to the second vertical surface. The second vertical surface is connected to the third progressive curved surface convex surface, and the third progressive curved surface convex surface is further connected with the first curved surface concave surface, so that the first curved concave surface, the second vertical surface and the third progressive curved surface are joined end to end. Close the surface. The first curved surface, the second vertical surface and the third progressive curved surface are combined to form a hollow cavity, and the hollow cavity can be filled with a foam material or the like. Moreover, the first curved surface is disposed toward the solar heat absorbing tube 3 so that the array of curved reflectors 4 and the reflective bottom plate 5 can constitute an optical path for guiding light to the solar absorption device.

Specifically, the cross section of the concave surface of the first curved surface is a circular arc surface, and the radius of the circular arc surface is R; the cross section length of the second vertical surface is L1, and L1=R[sin(α3/2) - sin(α/2)], where R represents the radius of the circle in which the circular arc surface is located, and R = (30 to 200 mm); α represents the central angle of the circular arc surface, and α = (40 ° - 60°); the third progressive curved surface has a cross-sectional length of L2, and

Of course, in actual use, other values can be selected for each parameter.

Further, as shown in FIG. 4, each adjacent curved reflector 4 in the array of curved reflectors 4 is arranged at a certain pitch and angle, and specifically represents: each adjacent curved reflector 4 in the array of curved reflectors 4 The spacing between them is L3, and L3=R[con(α/2)-con(α3/2)], where R represents the radius of the circle in which the circular arc surface is located, and α represents the center of the circular arc surface Angle, and R = (30 ~ 200mm), α = (40 ° ~ 60 °).

Further, the distance between the bottom surface of the array of curved reflectors 4 and the reflective substrate 5 is H, and the H = [(D2 - D1) / 2 + D1) / 4 ~ (D2 - D1) / 2 + D1)], Wherein D1 represents the inner diameter of the solar heat absorbing tube 3, and D2 represents the outer diameter of the solar heat absorbing tube 3;

As a preferred method, the second vertical plane is disposed perpendicular to the reflective bottom plate 5, or is deflected by 0° to 10° toward the solar heat absorbing tube 3, and the number of light reflections is adjusted by adjusting the deflection angle.

The simple transmission process of the light in the curved reflective concentrating solar energy application device of the present embodiment is as follows: In order to distinguish the respective curved reflectors 4 in the device, the different curved reflectors 4 in one device are respectively used by the first curved reflector 4, The second curved reflector, the third curved reflector 4, and the like are shown. Specifically, as shown in FIG. 5, the light passes through the transparent cover 2 directly or obliquely to the first curved concave surface of the first curved reflector 4, and passes through the first curved surface. The first curved surface of the reflector 4 is reflected to the third progressive curved surface of the second curved reflector 4 closer to the side of the solar heat absorbing tube 3, and the light reflected to the convex surface of the third progressive curved surface has two kinds of reflections, one kind Is reflected back to the first curved surface of the first curved reflector 4, and the other is reflected onto the reflective bottom plate 5, if reflected back to the first curved concave surface of the first curved reflector 4, then the light again from the first The first curved concave surface of a curved reflector 4 is reflected to the third progressive curved surface of the second curved reflector 4 until the light is reflected from the third progressive convex surface of the second curved reflector to the reflective bottom 5, then, the light is reflected back and forth between the reflective bottom plate 5 and the second curved reflector 4 and the third progressive curved convex surface of the one or more curved reflectors 4 of the closer solar heat absorbing tube 3, and passed once and again The reflection causes the light to continually approach the solar heat absorbing tube 3 and finally to the solar heat absorbing tube 3. Finally, the light is absorbed by the solar heat absorbing tube 3, converted into heat energy, and the working medium is heated.

The curved reflective concentrating solar energy application device of the embodiment has the advantages of simple structure and easy maintenance; low raw materials, low manufacturing cost, long service life, stable performance, less heat dissipation loss, good concentrating effect and heat preservation effect, strong anti-freezing ability, and It does not have the advantage of water mist due to poor sealing.

Embodiment 2

As shown in FIG. 6 or FIG. 7 , the embodiment is similar to the first embodiment except that in the embodiment, the frame 1 has a plurality of solar heat absorption tubes 3 and a plurality of curved reflectors 4 , and each of the two Between the one or more curved reflectors 4, a solar heat absorbing tube 3, a solar heat absorbing tube 3, and a curved reflector 4 capable of illuminating the solar heat absorbing tube 3 by one or several reflections and The reflective bottom plates 5 are combined into a set of collectors, and a frame 1 can be internally formed with a plurality of collectors consisting of a solar heat absorbing tube 3, a partially reflective bottom plate 5 and a plurality of curved reflectors 4, and each group collects heat. The plurality of curved reflectors 4 in the device all face the solar heat absorbing tubes 3 in the set of collectors, so that the curved reflectors 4 and the reflective bottom plates 5 in each group of collectors can be configured to guide the light. An optical path to the solar heat absorbing tube 3 in the set of collectors.

The working principle of this embodiment is similar to that of the first embodiment. However, the curved reflectors in each group of collectors reflect light to the solar heat absorbing tubes in the group. The specific reflection path will not be described here.

Embodiment 3

As shown in FIG. 8 and FIG. 9 , the embodiment is similar to the first embodiment or the second embodiment, except that the curved reflective concentrating solar energy application device of the embodiment further includes an angle adjusting device 6 and a light absorbing and dissipating device 7 . And the solar absorption device is a solar heat absorption device. Moreover, the light transmitting device of the embodiment may also be a transparent cover 2, and the solar heat absorbing device may also include one or more solar heat absorbing tubes 3.

Specifically, the reflective bottom plate 5 is composed of one or more segments of reflectors to form an array of reflectors, and the reflectors have a polyhedral structure; the light-absorbing and heat-dissipating device 7 is fixedly disposed on the inner wall of the frame 1, or is integrally formed with the frame 1.

Similarly, the frame 1 herein has a plurality of curved reflectors 4 inside, and a plurality of curved reflectors 4 form an array of curved reflectors 4 inside the frame 1, and each curved reflector 4 is disposed longitudinally along the frame 1, and the curved reflector The array 4 and the reflective substrate 5 form an optical path for directing light toward the solar heat absorbing tube 3.

In addition, the angle adjusting device 6 includes two mounting brackets disposed inside the frame 1 and respectively located at opposite ends of the curved reflector 4, each mounting bracket includes a horizontal connecting rod and two vertical supporting frames, and the vertical supporting frame is vertically fixed On the reflective bottom plate 5, two ends of the horizontal connecting rod are respectively connected to the two vertical supporting frames, and two ends of the curved reflecting body 4 are respectively hinged on the horizontal connecting rods, so that the curved reflecting body 4 can be adjusted in an angle;

Alternatively, the angle adjusting device 6 includes an angle adjuster mounted on each of the reflectors, and each angle adjuster individually adjusts the angle of each of the reflectors;

Alternatively, each of the curved reflectors 4 has a cogging structure, and the angle adjusting device 6 includes a gear or a sprocket that can mesh with the cogging structure, and can drive the spur gear or the sprocket to rotate to adjust the curved reflector 4 Angle adjuster for angles.

The angle of the curved reflector 4 of the curved reflective concentrating solar application device of the present embodiment can be adjusted to have a wider application range; and by adjusting the angle of the curved reflector 4 and the setting of the light absorbing and dissipating device 7, it can be realized in summer. When there is sufficient light, reduce calorie intake and lose excess heat; increase the accumulation of heat in winter to ensure water temperature.

The working principle of this embodiment is similar to that of the first embodiment, and details are not described herein again.

Embodiment 4

As shown in FIG. 10, the embodiment is similar to the first embodiment or the second embodiment, except that the curved reflective concentrating solar energy application device of the embodiment further includes a photoelectric conversion device 9 mounted on the bottom of the frame 1, and the photoelectric The conversion means 9 serves to convert light in the spectral range into electrical energy and/or to reflect light outside the spectral range of the photoelectric conversion device 9.

The photoelectric conversion device 9 functions as photoelectric conversion and reflection, converts the light in the photoelectric conversion spectrum range of the photoelectric conversion device 9 into electric energy, and reflects the light outside the photoelectric conversion spectrum of the photoelectric conversion device 9 to reflect the bottom plate 5 and the curved surface. The array of reflectors 4 constitutes an optical path that directs light outside the photoelectric conversion spectral range of the photoelectric conversion device 9 to the solar heat absorbing tube 3.

The curved reflective concentrating solar energy application device of the present embodiment has high photoelectric conversion efficiency, and can convert the light outside the spectral range of the photoelectric conversion device 9 through the solar energy absorbing tube 3, and fully utilize the solar energy to further improve the solar energy utilization rate.

The working principle of this embodiment is similar to that of the first embodiment. The difference is that in the embodiment, the light reaches the photoelectric conversion device 9 after multiple reflections, and the photoelectric conversion device 9 converts the light in the converted spectral range of the photoelectric conversion device 9 into The electric energy reflects the light outside the spectral range of the photoelectric conversion device 9 , and the light outside the photoelectric conversion spectrum of the photoelectric conversion device 9 is again reflected by the optical path channel composed of the array of the reflective bottom plate 5 and the curved reflector 4 to the solar heat absorbing tube 3 Or directly from the photoelectric conversion device 9 to the solar heat absorption tube 3, the light outside the photoelectric conversion spectrum of the photoelectric conversion device 9 is absorbed by the solar heat absorption tube 3, converted into heat energy, and the working medium is heated.

Embodiment 5

As shown in FIG. 11 and FIG. 12, the embodiment is similar to the first embodiment or the second embodiment, except that the solar heat absorption tube 3 of the embodiment is replaced by the photoelectric conversion device 9, and the backlight of the photoelectric conversion device 9 is used. A cooling device 8 for cooling the photoelectric conversion device 9 is provided.

The working principle of this embodiment is similar to that of the first embodiment. The difference is that in the embodiment, the light reaches the photoelectric conversion device 9 after multiple reflections, and the light is absorbed by the photoelectric conversion device 9 and converted into electric energy, and the cooling device 8 The heat outside the photoelectric conversion device 9 is absorbed to achieve the purpose of cooling the photoelectric conversion device 9.

Embodiment 6

As shown in FIG. 13 and FIG. 14 , the present embodiment is similar to the first embodiment except that the solar energy absorbing device of the embodiment is a solar heat collector, and the solar heat collector can be the same as the first embodiment. The solar heat absorbing tube 3, and the solar heat absorbing tube 3 of the present embodiment generally has a larger diameter and a shorter distance than the other embodiments.

Further, the frame 1 herein has a cylindrical structure, and the solar collector is installed at the center of the frame 1, which is easy to be insulated, and is simple and convenient to connect with other devices, and has various forms; the frame 1 has a plurality of curved reflectors 4 therein. The plurality of curved reflectors 4 form an array of curved reflectors 4 inside the frame 1, and the curved reflectors 4 are gradually reduced from the periphery toward the center.

The curved reflector 4 is rotatably disposed, and the angle between the curved reflector 4 and the reflective bottom plate 5 is the same or different by the rotation adjustment and the angle between the reflective bottom plate 5;

Preferably, the reflective bottom plate 5 may be formed by one or more curved surfaces having a polyhedral structure, and also constitutes an array, and has a function that the front portion does not block the rear portion from reflecting light. Moreover, each segment of the surface can be rotated, and each segment has the same or different curvature between the segments. The rotation can be achieved by installing a rotary motor or the like on the curved surface.

Similarly, the array of curved reflectors 4 and the reflective bottom plate 5 constitute an optical path for guiding light to the solar collector;

The specific embodiments described herein are merely illustrative of the spirit of the invention. A person skilled in the art can make various modifications or additions to the specific embodiments described or replace them in a similar manner, without departing from the spirit of the invention or beyond the appended claims. The range defined.

Although the frame 1; the transparent cover 2; the solar heat absorbing tube 3; the curved reflector 4; the reflective bottom plate 5; the angle adjusting device 6, the light absorbing heat sink 7, the cooling device 8, the photoelectric conversion device 9, and the like are used more frequently. , but does not rule out the possibility of using other terms. These terms are only used to more easily describe and explain the nature of the present invention; any of the additional limitations are to be construed as being inconsistent with the spirit of the present invention.

Claims

A curved reflective concentrating solar energy application device, comprising: a frame (1), a bottom of the frame (1) is mounted with a reflective bottom plate (5), and a transparent device mounted on an upper portion of the frame (1) The inside of the frame (1) is internally provided with a solar absorption device and a curved reflector (4) between the reflective bottom plate (5) and the light transmitting device.
The curved reflective concentrating solar energy application device according to claim 1, wherein the solar energy absorbing device is one or more solar heat absorbing tubes (3) installed inside the frame (1); It is a transparent cover (2) which is placed on the upper part of the frame (1).
The curved reflective concentrating solar energy application device according to claim 2, wherein the frame (1) has a solar heat absorbing tube (3) inside, and the frame (1) has a plurality of curved reflectors inside ( 4) a plurality of curved reflectors (4) form an array of curved reflectors (4) inside the frame (1), and a plurality of curved reflectors (4) are disposed toward the solar heat absorption tube (3) so that The array of curved reflectors (4) and the reflective bottom plate (5) constitute an optical path for guiding light to the solar heat absorbing tube (3);

Alternatively, the frame (1) has a plurality of solar heat absorbing tubes (3) and a plurality of curved reflectors (4), and each of the solar tubes and the plurality of curved reflectors (4) and the partially reflective bottom plate (5) Forming a set of collectors, each of the plurality of curved reflectors (4) in the collectors facing the set of solar heat absorption tubes (3), so that the curved reflectors in each group of collectors ( 4) and the partially reflective bottom plate (5) can constitute an optical path for guiding light to the solar heat absorbing tube (3) in the set of collectors.
The curved reflective concentrating solar energy application device according to claim 3, wherein the curved reflector (4) has a multi-curved structure having a first curved concave surface, a second vertical surface, and a third progressive curved surface convex surface. And the first curved surface is connected to the second vertical surface, the second vertical surface is connected to the third progressive curved surface, and the third progressive curved surface is connected to the first curved concave surface to form the first curved concave surface. a second curved surface and a third progressive curved surface that are joined end to end with a closed curved surface, and the first curved concave surface faces the corresponding solar heat absorbing tube (3).
The curved reflective concentrating solar energy application device according to claim 4, wherein the first curved surface has a cross section of a circular arc surface; the second vertical surface has a cross section length L1, and L1 =R[sin(α3/2)-sin(α/2)], where R represents the radius of the circle in which the circular arc surface is located, α represents the central angle of the circular arc surface; and the third progressive curved surface is convex The length of the cross section is L2, and
The curved reflective concentrating solar energy application device according to claim 4, wherein a distance between a bottom surface of the curved reflector (4) array and the reflective bottom plate (5) is H, and the H=[ (D2-D1)/2+D1)/4~(D2-D1)/2+D1)], wherein D1 represents the inner diameter of the solar heat absorbing tube (3), and D2 represents the solar heat absorbing tube ( 3) the outer diameter;

The second vertical surface is disposed perpendicular to the reflective bottom plate (5), or the curved reflector (4) is deflected by 0° to 10° toward the solar heat absorbing tube (3).
The curved reflective concentrating solar energy application device according to claim 5, wherein a distance between each adjacent curved reflector (4) in the array of curved reflectors (4) is L3, and L3=R [con(α/2)-con(α3/2)], where R represents the radius of the circle in which the circular arc surface is located, and α represents the central angle of the circular arc surface.
The curved reflective concentrating solar energy application device according to claim 1, further comprising an angle adjusting device (6) and a light absorbing heat sink (7); and the solar absorbing device is a solar heat absorbing device.
The curved reflective concentrating solar energy application device according to claim 8, wherein the reflective bottom plate (5) is composed of one or more segments of reflectors to form a reflector array, and the reflector has a polyhedral structure; The light absorbing heat sink (7) is fixedly disposed on the inner wall of the frame (1), or is integrally formed with the frame (1).
The curved reflective concentrating solar energy application device according to claim 8, wherein the frame (1) has a plurality of curved reflectors (4) inside, and the plurality of curved reflectors (4) are inside the frame (1) An array of curved reflectors (4) is formed, and each curved reflector (4) is longitudinally disposed along the frame (1), and the angle adjusting device (6) includes two disposed inside the frame (1) and respectively located at the curved surface Mounting brackets at both ends of the body (4), each mounting bracket includes a horizontal connecting rod and two vertical supporting brackets, the vertical supporting bracket is vertically fixed on the reflective bottom plate (5), and the two horizontal connecting rods The ends are respectively connected to the two vertical support frames, and the two ends of the curved reflector (4) are respectively hinged on the horizontal connecting rods, so that the curved reflectors (4) can be adjusted in angle;

Alternatively, the angle adjusting device (6) includes a first driving motor mounted on each of the reflectors, and each of the driving motors individually adjusts an angle of each of the reflectors;

Alternatively, each of the curved reflectors (4) has a cogging structure, and the angle adjusting device (6) includes a gear or a sprocket capable of meshing with the gullet structure, and is capable of driving the ulnar gear or the sprocket to adjust A second drive motor with a curved reflector (4) angle.
The curved reflective concentrating solar energy application device according to claim 3, further comprising a photoelectric conversion device (9) mounted on the bottom of the frame (1), and the photoelectric conversion device (9) is for using a spectral range The light inside is converted into electrical energy and/or used to reflect light outside the converted spectral range of the photoelectric conversion device (9), and the photoelectric conversion device (9) is combined with a reflective substrate (5) for converting the photoelectric Light from outside the spectral range of the device (9) is directed to the optical path of the solar heat absorbing tube (3).
The curved reflective concentrating solar energy application device according to claim 2, wherein the solar heat absorbing tube (3) is replaced by a photoelectric conversion device (9), and a backlight surface of the photoelectric conversion device (9) is set There is a cooling device (8) for cooling the photoelectric conversion device (9); and the curved reflector (4) and the reflective substrate (5) constitute an optical path for guiding light to the photoelectric conversion device (9).
The curved reflective concentrating solar energy application device according to claim 1, wherein the solar energy absorbing device is a solar heat collector, and the light transmitting device is a transparent cover that is disposed on an upper portion of the frame (1). Board (2).
The curved reflective concentrating solar energy application device according to claim 13, wherein the frame (1) has a cylindrical structure, and the solar heat collector is installed at a center of the frame (1); The frame (1) has a plurality of curved reflectors (4) inside, and the plurality of curved reflectors (4) form an array of curved reflectors (4) inside the frame (1), and the curved reflectors (4) are surrounded by The center is gradually shrinking.
The curved reflective concentrating solar energy application device according to claim 14, wherein the curved reflector (4) is rotatably disposed, and the angle between the reflective bottom plate (5) is adjusted by rotation, and each curved reflector (4) the same or different angles from the reflective bottom plate (5);

The array of curved reflectors (4) and the reflective bottom plate (5) constitute an optical path for guiding light to the solar collector;

And the reflective bottom plate (5) is composed of one or more curved surfaces, and each curved surface can be rotated, and the curved surfaces of the segments have the same or different curvatures.