A device for directionally supplementing sunlight

Abstract

The present invention discloses a device for directionally supplementing sunlight, which comprises a solar position detection mechanism and a light reflection mechanism. The solar position detection mechanism includes a rotatable light-shielding cover (2), a plurality of solar position detection bosses and a solar position detection transmission mechanism to obtain the azimuth angle and elevation angle of the position where the sun is located. The light reflection mechanism includes a rotatable reflecting mirror (16), a plurality of light reflection bosses and a light reflection transmission mechanism to direct the reflecting mirror (16) to the symmetry axis of the illumination target and the sun according to the azimuth angle and elevation angle of the position where the sun is located. The present invention can greatly increase the sunlight illumination time of semi-enclosed balconies or indoor flowers and plants, and promote photosynthesis.

Description

Technical Field

[0001] The present invention relates to the technical field of solar energy, and particularly to a device for directionally supplementing sunlight. Background Art

[0002] Sunlight is a key factor in photosynthesis and is crucial for life on Earth. Photosynthesis generally refers to the process by which green plants (including algae) absorb light energy, synthesize energy-rich organic matter from carbon dioxide and water, and simultaneously release oxygen. It mainly includes two stages: the light reaction and the dark reaction, involving important reaction steps such as light absorption, electron transfer, photophosphorylation, and carbon assimilation, and is of great significance for realizing the energy conversion in nature and maintaining the carbon-oxygen balance in the atmosphere.

[0003] With the progress of people's material living standards in modern society, more and more people grow flowers and plants on semi-enclosed balconies or indoors. However, due to the lack of direct sunlight, many sunlight-loving flowers and plants do not receive sufficient light and cannot reach a good growth state. By using technical means to direct sunlight towards the direction of indoor flower and plant cultivation, the lighting time of the flowers and plants can be effectively increased, promoting photosynthesis. However, since the position of the sun in the sky is constantly changing, how to adjust the sunlight irradiation direction according to the position change of the sun to increase the lighting time of the flowers and plants on semi-enclosed balconies or indoors is a technical problem that urgently needs to be solved. Summary of the Invention

[0004] The purpose of the present invention is to provide a device for directionally supplementing sunlight to solve the technical problem of how to adjust the sunlight irradiation direction according to the position change of the sun and increase the lighting time of the flowers and plants on semi-enclosed balconies or indoors.

[0005] The purpose of the present invention is achieved by adopting the following technical solution: A device for directionally supplementing sunlight includes a sun position detection mechanism and a light reflection mechanism. The sun position detection mechanism includes a rotatable light-shielding cover, a plurality of sun position detection bosses, and a sun position detection transmission mechanism. The light-shielding cover is provided with a light-shielding cover photosensitive element, an azimuth measurement slit, and a pitch angle measurement slit. The sun position detection bosses are provided with a sun position detection light-emitting diode and a sun position detection photosensitive element. The transmission mechanism is provided with a counting light-transmitting hole to obtain the azimuth and pitch angles of the position where the sun is located. The light reflection mechanism includes a rotatable reflecting mirror, a plurality of light reflection bosses, and a light reflection transmission mechanism. The light reflection bosses are provided with a light reflection light-emitting diode and a light reflection photosensitive element to direct the reflecting mirror towards the symmetry axis of the irradiation target and the sun according to the azimuth and pitch angles of the position where the sun is located.

[0006] Further, a first gear is provided on the outer side of the light-shielding cover. The first gear meshes with a solar position detection transmission mechanism. The solar position detection transmission mechanism includes a transmission rotating shaft and a first rotating shaft. A second gear and a third gear are provided on the transmission rotating shaft. The second gear meshes with the first gear, and the third gear meshes with a fourth gear on the rotating shaft.

[0007] Further, the number of teeth N1 of the first gear, the number of teeth N2 of the second gear, the number of teeth N3 of the third gear, and the number of teeth N4 of the fourth gear satisfy that (N1×N3) / (N2×N4) is an integer multiple of 180.

[0008] Further, the solar position detection boss includes a first boss, a second boss, a third boss, and a fourth boss. A first small hole is provided on the first boss, and a second small hole is provided on the second boss. Solar position detection light-emitting diodes are installed in both the first small hole and the second small hole. A third small hole is provided on the third boss, and a fourth small hole is provided on the fourth boss. Solar position detection photosensitive elements are installed in both the third small hole and the fourth small hole. The second small hole and the fourth small hole are oppositely arranged. When the light-shielding cover rotates to a specific angle, the second small hole and the fourth small hole are in the same straight line with the orientation of the positioning light-transmitting hole provided on the light-shielding cover. The first small hole and the third small hole are oppositely arranged and are in the same straight line with the counting light-transmitting hole.

[0009] Further, the light-shielding cover is of a hemispherical structure. A positioning light-transmitting hole is provided on the light-shielding cover. The plane where the azimuth measurement slit is located is parallel to the radial direction of the positioning light-transmitting hole. The position of the elevation angle measurement slit satisfies where is the elevation angle in the spherical coordinate system, is the azimuth angle in the spherical coordinate system, and the position where the photosensitive element of the light-shielding cover is located is the origin of the spherical coordinate system.

[0010] Further, the reflecting mirror is installed on the bracket through a second rotating shaft. A fifth gear is provided on the second rotating shaft. The fifth gear meshes with a light reflection transmission mechanism. The light reflection transmission mechanism includes a seventh gear. The seventh gear meshes with a sixth gear, the sixth gear meshes with a gear disc, and the gear disc meshes with the fifth gear.

[0011] Further, the light reflection boss includes a fifth boss and a sixth boss. A fifth small hole and a sixth small hole are provided on the fifth boss. Light reflection light-emitting diodes are installed in both the fifth small hole and the sixth small hole. A seventh small hole and an eighth small hole are provided on the sixth boss. Light reflection photosensitive elements are installed in both the seventh small hole and the eighth small hole.

[0012] Further, the fifth small hole and the eighth small hole are oppositely arranged. When the front side of the reflecting mirror is facing upward, the through hole 1 on the light reflection transmission mechanism, the fifth small hole, and the eighth small hole are in the same straight line.

[0013] Further, the small hole six and the small hole seven are oppositely arranged. As the light reflection transmission mechanism rotates at different angles, the small hole six and the small hole seven are in the same straight line with the through hole two on the light reflection transmission mechanism.

[0014] The beneficial effects of the present invention are as follows: The present invention obtains the azimuth angle and elevation angle of the position where the sun is located through the sun position detection mechanism. According to the azimuth angle and elevation angle of the position where the sun is located and in combination with the direction of the target to be irradiated, the light reflection mechanism adjusts the direction of the reflecting mirror, points the reflecting mirror at the symmetry axis of the irradiated target and the sun, so as to reflect sunlight towards the irradiated target. The present invention can greatly increase the lighting time of semi-enclosed balconies or indoor flowers and plants, and promote photosynthesis. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. The following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0016] Figure 1 It is a schematic structural diagram of the sun position detection mechanism;

[0017] Figure 2 It is a schematic structural diagram of the light reflection mechanism;

[0018] Figure 3 It is a schematic diagram of the principle of the present invention;

[0019] In the figure, 1 - sun position detection base, 2 - light-shielding cover, 201 - gear one, 3 - light-shielding cover photosensitive element, 4 - azimuth angle measurement slit, 5 - elevation angle measurement slit, 6 - transmission rotating shaft, 601 - gear two, 602 - gear three, 7 - rotating shaft one, 701 - gear four, 8 - boss one, 801 - small hole one, 9 - counting light-transmitting hole, 10 - boss three, 101 - small hole three, 11 - boss two, 111 - small hole two, 12 - boss four, 121 - small hole four, 13 - positioning light-transmitting hole, 14 - reflecting mirror base, 15 - bracket, 16 - reflecting mirror, 17 - rotating shaft two, 171 - gear five, 18 - gear disk, 19 - through hole one, 20 - boss five, 203 - small hole five, 204 - small hole six, 21 - gear six, 22 - boss six, 221 - small hole seven, 222 - small hole eight, 23 - gear seven. Detailed Embodiments

[0020] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Components of the embodiments of the present invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

[0022] Embodiment 1:

[0023] Refer to Figure 1 、 Figure 2 A device for directionally supplementing sunlight, comprising a solar position detection mechanism and a light reflection mechanism. The solar position detection mechanism includes a rotatable light-shielding cover 2, a plurality of solar position detection bosses, and a solar position detection transmission mechanism. The light-shielding cover 2, the plurality of solar position detection bosses, and the solar position detection transmission mechanism are all arranged on a solar position detection base 1. A light-shielding cover photosensitive element 3, an azimuth measurement slit 4, and an elevation angle measurement slit 5 are arranged on the light-shielding cover 2. A solar position detection light-emitting diode and a solar position detection photosensitive element are arranged on the solar position detection boss. A counting light-transmitting hole 9 is arranged on the transmission mechanism to obtain the azimuth and elevation angles of the position where the sun is located. The light reflection mechanism includes a rotatable reflecting mirror 16, a plurality of light reflection bosses, and a light reflection transmission mechanism. The reflecting mirror 16, the plurality of light reflection bosses, and the light reflection transmission mechanism are all arranged on a reflecting mirror base 14. A light reflection light-emitting diode and a light reflection photosensitive element are arranged on the light reflection boss to direct the reflecting mirror 16 towards the symmetry axis of the illumination target and the sun according to the azimuth and elevation angles of the position where the sun is located.

[0024] In this embodiment, a gear one 201 is arranged on the outer side of the bottom of the light-shielding cover 2. The gear one 201 meshes with the solar position detection transmission mechanism. The solar position detection transmission mechanism includes a transmission rotating shaft 6 and a rotating shaft one 7. A gear two 601 is arranged on the bottom of the transmission rotating shaft 6, and a gear three 602 is arranged on the upper part. The gear two 601 meshes with the gear one 201, and the gear three 602 meshes with a gear four 701 on the rotating shaft 7.

[0025] In this embodiment, the number of teeth N1 of gear one 201, the number of teeth N2 of gear two 601, the number of teeth N3 of gear three 602, and the number of teeth N4 of gear four 701 satisfy that (N1 × N3) / (N2 × N4) is an integer multiple of 180.

[0026] In this embodiment, the sun position detection boss includes boss one 8, boss two 11, boss three 10, and boss four 12. A small hole one 801 is provided on boss one 8, and a small hole two 111 is provided on boss two 11. Sun position detection light-emitting diodes are installed in both small hole one 801 and small hole two 111; a small hole three 101 is provided on boss three 10, and a small hole four 121 is provided on boss four 12. Sun position detection photosensitive elements are installed in both small hole three 101 and small hole four 121; small hole two 111 and small hole four 121 are arranged oppositely. When the light-shielding cover 2 rotates to a specific angle, small hole two 111 and small hole four 121 are in the same straight line with the orientation of the positioning light-transmitting hole 13 provided on the light-shielding cover 2, and small hole two 111 and small hole four 121 have the same diameter as the positioning light-transmitting hole 13. The positioning light-transmitting hole 13 is provided on the cylindrical part of the light-shielding cover 2; small hole one 801 and small hole three 101 are arranged oppositely and are in the same straight line with the counting light-transmitting hole 9. The counting light-transmitting hole 9 is provided on the first rotating shaft 7. Each time the first rotating shaft 7 rotates one week, the light emitted by the sun position detection light-emitting diode in small hole one 801 can pass through the counting light-transmitting hole 9 and directly shine into small hole three 101 twice.

[0027] In this embodiment, the upper part of the light-shielding cover 2 is a hemispherical structure and the lower part is a cylindrical structure. A positioning light-transmitting hole 13 is provided on the cylindrical structure of the light-shielding cover 2. The plane where the azimuth angle measurement slit 4 is located is parallel to the radial direction of the positioning light-transmitting hole 13, and the position of the elevation angle measurement slit 5 satisfies where θ is the elevation angle in the spherical coordinate system, is the azimuth angle in the spherical coordinate system, and the position where the light-shielding cover photosensitive element 3 is located is the origin of the spherical coordinate system.

[0028] In this embodiment, the reflecting mirror 16 is installed on the bracket 15 through the second rotating shaft 17. A gear five 171 is provided on the second rotating shaft 17. The gear five 171 engages with the light reflection transmission mechanism. The light reflection transmission mechanism includes a gear seven 23. The gear seven 23 engages with a gear six 21. The lower half of the gear seven 23 sinks into the reflecting mirror base 14. The gear six 21 engages with a gear disk 18. The gear disk 18 engages with the gear five 171.

[0029] In this embodiment, the light reflection boss includes boss five 20 and boss six 22. Small holes five 203 and six 204 are provided on boss five 20, and light reflection light-emitting diodes are installed in both small holes five 203 and six 204. Small holes seven 221 and eight 222 are provided on boss six 22, and light reflection photosensitive elements are installed in both small holes seven 221 and eight 222.

[0030] In this embodiment, small holes five 203 and eight 222 are oppositely arranged. When the front side of the mirror surface of mirror 16 faces upward, through hole one 19 on the light reflection transmission mechanism is on the same straight line as small holes five 203 and eight 222, and the diameters of small holes five 203 and eight 222 are the same as that of through hole one 19. Specifically, through hole one 19 is provided on gear disk 18.

[0031] In this embodiment, small holes six 204 and seven 221 are oppositely arranged. As the light reflection transmission mechanism rotates at different angles, small holes six 204 and seven 221 are on the same straight line as through hole two (not shown) on the light reflection transmission mechanism. Specifically, through hole two is provided on gear six 21, and through hole two is equidistantly distributed around the axis of gear six 21. As gear six 21 rotates at different angles, each through hole two can be on the same straight line as small holes six 204 and seven 221.

[0032] Refer to Figure 3 , the working principle of the present invention is as follows: The sun position detection mechanism obtains the azimuth angle and elevation angle of the position where the sun is located, and transmits them to the light reflection mechanism through the control circuit. The light reflection mechanism controls the rotation angle of mirror 16 according to the azimuth angle and elevation angle of the position where the sun is located and the position of the irradiation target, and irradiates the sunlight to the target position. The specific steps are as follows: The sun position detection base 1 and the mirror base 14 are connected to the same control circuit. The circuit controls the motor to drive the transmission rotating shaft 6, so that the light-shielding cover 2 and the rotating shaft one 7 rotate together. The sampling unit integrated in the single-chip microcomputer continuously records the electrical signals of all photosensitive elements connected to the circuit. When the light-shielding cover 2 rotates to a certain angle, the light energy emitted by the light-emitting element (sun position detection light-emitting diode) in small hole two 111 can pass through the positioning light-transmitting hole 13 and directly shine into small hole four 121, so that the photosensitive element (sun position detection photosensitive element) inside it senses a current peak value. This moment is agreed as t0, and this angle is agreed as the reference. When the light-shielding cover 2 rotates to a certain angle , the sunlight can directly shine on the light-shielding cover photosensitive element 3 through the azimuth angle measurement slit 4. The light-shielding cover photosensitive element 3 will sense a current peak value. The time when this peak value occurs is agreed as t1. When the light-shielding cover 2 rotates to a certain angle At this time, solar energy can directly irradiate the photosensitive element 3 of the light-shielding cover through the elevation angle measurement slit 5. This moment is defined as t2. When the light-shielding cover 2 rotates one full circle, it is determined which peak moments t1 and t2 correspond to by recording whether the peak time interval exceeds half of the rotation period. When the rotating shaft 7 rotates one full circle, the light energy emitted by the light-emitting element in the small hole 801 can pass through the counting light-transmitting hole 9 and directly irradiate into the small hole 101, causing the photosensitive element inside to induce a current peak. Each time a peak occurs, it is counted. Within the time interval Δt between every two counts, the rotating shaft 7 rotates half a circle, and the corresponding rotation angle of the light-shielding cover 2 is 180×(N2×N4) / (N1×N3). By calculating (t1 - t0) / Δt×180×(N2×N4) / (N1×N3) through the control circuit, the azimuth angle of the position where the sun is located can be obtained. The program of the control circuit calculates (t2 - t0) / Δt×180×(N2×N4) / (N1×N3) - 90 to obtain the elevation angle θs of the position where the sun is located. Assuming that the coordinate reference for the installation and adjustment of the mirror base 14 and the solar position detection base 1 is the same, ensuring that the azimuth angle φs and the elevation angle θs of the solar position are the same for the two bases. By presetting the azimuth angle φt and the elevation angle θt of the irradiation target, the control circuit solves two sets of numerical solutions of the following equations through the iterative method:

[0033] cosθs·cosθn·cos(φs - φn) + sinθs·sinθn = cosθt·cosθn·cos(φt - φn) + sinθt·sinθn;

[0034]

[0035]

[0036] Taking one set of numerical solutions that satisfy θn > 0, the azimuth angle that the normal axis of the mirror 16 needs to face can be obtained. and the pitch angle θn, so as to control the adjustment direction of the mirror base 14. Taking the adjustment of the pitch angle of the mirror 16 as an example: The motor-driven gear seven 23 installed in the mirror base 14 drives the gear six 21, the gear disk 18, and the gear five 171 in sequence, thereby driving the rotation of the rotating shaft two 17. In the initial state, the pitch angle of the mirror 16 is 90 degrees, facing directly upward. At this time, the light-emitting element (light-reflecting light-emitting diode) in the small hole five 203 and the photosensitive element (light-reflecting photosensitive element) in the small hole eight 222 are photoelectrically coupled through the through hole one 19 to generate an electrical signal. At the same time, the light-emitting element in the small hole six 204 and the photosensitive element in the small hole seven 221 are photoelectrically coupled through one of the holes (through hole two) on the gear six 21 to generate an electrical signal to mark the initial rotation position. Taking the tooth number ratio of the gear five 171 to the gear six 21 as M as an example, every time the gear six 21 rotates 360 / N degrees, the small hole (through hole two) on it will trigger an electrical signal recording, and the corresponding adjustment amount of the pitch angle of the mirror 16 is The control circuit can know the pitch angle pointed by the normal direction of the mirror 16 after rotation by calculating the trigger times and time of the electrical signal. The adjustment and measurement of the azimuth angle of the mirror 16 are similar to the adjustment of the pitch angle of the mirror 16, and will not be elaborated here. By adjusting the azimuth angle and pitch orientation of the mirror 16, the sunlight can be reflected in a specified direction.

[0037] It should be noted that for the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations. However, those skilled in the art should know that this application is not limited by the described action sequence, because according to this application, some steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are preferred embodiments, and the actions involved are not necessarily essential to this application.

[0038] In addition, the terms "connection" and "setting" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined by "connection" and "setting" may explicitly or implicitly include one or more of such features. Moreover, the terms "connection", "setting", etc. are used to distinguish similar objects and do not necessarily need to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of the present invention described here can be implemented in an order other than those illustrated or described here.

[0039] In the above embodiments, the basic principles, main features, and advantages of the present invention are described. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, any modifications and changes made by those skilled in the art that do not depart from the spirit and scope of the present invention shall fall within the protection scope of the appended claims of the present invention.

Claims

1. A device for directionally supplementing sunlight, characterized in that, It includes a solar position detection mechanism and a light reflection mechanism. The solar position detection mechanism includes a rotatable light-shielding cover (2), multiple solar position detection bosses, and a solar position detection transmission mechanism. On the light-shielding cover (2), there are a light-shielding cover photosensitive element (3), an azimuth measurement slit (4), and an elevation angle measurement slit (5). On the solar position detection bosses, there are solar position detection light-emitting diodes and solar position detection photosensitive elements. On the transmission mechanism, there is a counting light-transmitting hole (9) to obtain the azimuth and elevation angles of the position where the sun is located. The light reflection mechanism includes a rotatable reflecting mirror (16), multiple light reflection bosses, and a light reflection transmission mechanism. On the light reflection bosses, there are light reflection light-emitting diodes and light reflection photosensitive elements to direct the reflecting mirror (16) towards the symmetry axis of the illumination target and the sun according to the azimuth and elevation angles of the position where the sun is located; A first gear (201) is provided on the outer side of the light-shielding cover (2). The first gear (201) meshes with a solar position detection transmission mechanism. The solar position detection transmission mechanism includes a transmission rotating shaft (6) and a first rotating shaft (7). A second gear (601) and a third gear (602) are provided on the transmission rotating shaft (6). The second gear (601) meshes with the first gear (201), and the third gear (602) meshes with a fourth gear (701) on the first rotating shaft (7). The number of teeth N1 of the first gear (201), the number of teeth N2 of the second gear (601), the number of teeth N3 of the third gear (602), and the number of teeth N4 of the fourth gear (701) satisfy an integer multiple of 180; The solar position detection bosses include boss one (8), boss two (11), boss three (10), and boss four (12). On boss one (8), there is a small hole one (801). On boss two (11), there is a small hole two (111). Solar position detection light-emitting diodes are installed in both small hole one (801) and small hole two (111). On boss three (10), there is a small hole three (101). On boss four (12), there is a small hole four (121). Solar position detection photosensitive elements are installed in both small hole three (101) and small hole four (121). Small hole two (111) and small hole four (121) are arranged oppositely. When the light-shielding cover (2) rotates to a specific angle, the orientations of small hole two (111) and small hole four (121) are in the same straight line as the orientation of the positioning light-transmitting hole (13) provided on the light-shielding cover (2). Small hole one (801) and small hole three (101) are arranged oppositely and are in the same straight line as the counting light-transmitting hole (9).

2. The device for directionally supplementing sunlight according to claim 1, characterized in that, The light-shielding cover (2) is of a hemispherical structure. A positioning light-transmitting hole (13) is provided on the light-shielding cover (2). The plane where the azimuth measurement slit (4) is located is parallel to the radial direction of the positioning light-transmitting hole (13). The position of the elevation angle measurement slit (5) satisfies , where is the elevation angle in the spherical coordinate system, is the azimuth angle in the spherical coordinate system. The position where the light-shielding cover photosensitive element (3) is located is the origin of the spherical coordinate system.

3. The device for directionally supplementing sunlight according to claim 1, characterized in that, The reflecting mirror (16) is installed on the bracket (15) through a rotating shaft two (17). On the rotating shaft two (17), there is a gear five (171). The gear five (171) engages with the light reflection transmission mechanism. The light reflection transmission mechanism includes a gear seven (23). The gear seven (23) engages with a gear six (21). The gear six (21) engages with a gear disc (18). The gear disc (18) engages with the gear five (171).

4. The device for directionally supplementing sunlight according to claim 1, wherein, The light reflection bosses include boss five (20) and boss six (22). On boss five (20), there are a small hole five (203) and a small hole six (204). Light reflection light-emitting diodes are installed in both small hole five (203) and small hole six (204). On boss six (22), there are a small hole seven (221) and a small hole eight (222). Light reflection photosensitive elements are installed in both small hole seven (221) and small hole eight (222).

5. The device for directionally supplementing sunlight according to claim 4, characterized in that, The small hole five (203) and the small hole eight (222) are oppositely arranged. When the front side of the mirror surface of the mirror (16) faces upward, the through hole one (19) on the light reflection transmission mechanism is on the same straight line as the small hole five (203) and the small hole eight (222).

6. The device for directionally supplementing sunlight according to claim 4, characterized in that, The small hole six (204) and the small hole seven (221) are oppositely arranged. As the light reflection transmission mechanism rotates at different angles, the small hole six (204) and the small hole seven (221) are on the same straight line as the through hole two on the light reflection transmission mechanism.

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