Adjustable solar photovoltaic equipment

Abstract

The invention discloses adjustable solar photovoltaic equipment, and relates to the technical field of photovoltaic equipment. The device comprises a vertically-arranged supporting cylinder and a plurality of photovoltaic cell panels arranged on the peripheral side of the supporting cylinder in the annular direction. A dustproof mechanism is vertically arranged on the periphery of the middle of the supporting cylinder. A rotating mechanism is arranged above the dustproof mechanism; the plurality of photovoltaic cell panels are arranged on the rotating mechanism, and the rotating mechanism can drive the photovoltaic cell panels to be switched from a vertical state to a horizontal state or from the horizontal state to the vertical state; the rotating mechanism is connected with a push-pull mechanism; the push-pull mechanism can pull the photovoltaic cell panel in a vertical state into the dustproof mechanism. The photovoltaic cell panel is reasonable in structural design and convenient to use, and the service life of the photovoltaic cell panel is effectively guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of photovoltaic equipment, and in particular relates to an adjustable solar photovoltaic equipment. Background Art

[0002] Solar energy is an inexhaustible renewable energy source. Its advantages include cleanliness, relative ubiquity, resource abundance, and potential economic efficiency. It plays an important role in long-term energy strategies. Consequently, the application of solar photovoltaic power generation is becoming increasingly widespread.

[0003] In existing technology, most solar photovoltaic systems use a mechanically fixed installation structure. This involves first securing a mounting bracket to a designated location, then directly attaching the photovoltaic panels to the bracket. This allows for photovoltaic power generation. While this type of solar photovoltaic system is relatively simple, it still suffers from the following drawbacks: Because the photovoltaic panels are fixed in place, they can easily become covered with dust in severe weather, such as wind and sand. This not only affects the panels' power generation efficiency but also shortens their service life. Therefore, there is an urgent need to develop an adjustable solar photovoltaic system to address these issues. Summary of the Invention

[0004] The present invention provides an adjustable solar photovoltaic device, the purpose of which is to solve the technical problems raised in the above background technology.

[0005] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is an adjustable solar photovoltaic device, comprising a vertically arranged support tube and a plurality of photovoltaic panels arranged along a circular direction on the circumferential side of the support tube; a dustproof mechanism is vertically installed on the outer periphery of the middle part of the support tube; a rotating mechanism is installed above the dustproof mechanism; the plurality of photovoltaic panels are all installed on the rotating mechanism, and the rotating mechanism can drive the photovoltaic panels to switch from a vertical state to a horizontal state or from a horizontal state to a vertical state; a push-pull mechanism is connected to the rotating mechanism; the push-pull mechanism can pull the photovoltaic panels in a vertical state into the dustproof mechanism.

[0007] As a preferred technical solution of the present invention, the support tube includes a vertically arranged bottom tube; a bottom cover is horizontally fixed to the lower port of the bottom tube; an intermediate tube is coaxially fixed to the upper port of the bottom tube; a top tube is coaxially fixed to the upper port of the intermediate tube; a top cover is horizontally fixed to the upper port of the top tube; the diameter of the top tube is consistent with the diameter of the bottom tube; and the diameter of the bottom tube is larger than the diameter of the intermediate tube.

[0008] As a preferred technical solution of the present invention, the dust-proof mechanism includes a supporting tube coaxially fixed at the outer periphery of the upper end of the bottom tube and a mounting ring coaxially fixed at the outer periphery of the lower end of the top tube; a plurality of through grooves are vertically opened on the circumferential side wall of the supporting tube, and each of the through grooves passes through the upper end surface of the supporting tube; a pair of dust-proof plates are vertically arranged between two adjacent through grooves, and the upper and lower ends of each dust-proof plate close to one side of the middle tube are respectively fixed on the circumferential outer wall of the supporting tube and the circumferential outer wall of the mounting ring; the two dust-proof plates at the opposite side edges of any one of the through grooves are arranged in parallel, and a accommodating space for the photovoltaic panel is formed between the two dust-proof plates.

[0009] As a preferred technical solution of the present invention, the rotating mechanism includes a plurality of movable slats uniformly distributed along the radial direction of the top cylinder and arranged on the circumferential side of the top cylinder; one end of the plurality of movable slats is rotatably connected to a U-shaped block; the plurality of U-shaped blocks are fixed on the circumferential side wall of the top cylinder; a surface of the plurality of movable slats is fixed with limiting blocks side by side along the length direction; when the movable slats are arranged horizontally, the limiting blocks are above the movable slats; the two limiting blocks on any one of the movable slats are connected by a pair of rotating shafts parallel to the movable slats, and the rotating shafts and the limiting blocks are rotatably matched; the plurality of photovoltaic panels are respectively fixed on a plurality of rotating shafts; a first motor is arranged between the plurality of movable slats; the first motor is vertically fixed in the top cylinder; the first motor The output shaft gap passes through the top cover and is fixedly sleeved with a first bevel gear; a plurality of positioning blocks are evenly distributed on the circumference of the first bevel gear; a plurality of the positioning blocks are respectively fixed on a surface of a plurality of movable slats; a plurality of the positioning blocks are rotatably connected to a transmission shaft parallel to the movable slats; one end of the plurality of transmission shafts is fixedly sleeved with a second bevel gear; a plurality of the second bevel gears can mesh with the first bevel gear; the other end of the plurality of transmission shafts is fixedly sleeved with a first pulley; a plurality of the first pulleys are connected to a second pulley through a synchronous belt transmission; a plurality of the second pulleys are respectively fixedly sleeved on one end of a rotating shaft on a plurality of movable slats; one end of the plurality of rotating shafts is fixedly sleeved with a gear, and the two gears on any one of the movable slats mesh with each other.

[0010] As a preferred technical solution of the present invention, the push-pull mechanism includes a lifting ring slidably sleeved on the outer circumference of the intermediate cylinder; a plurality of push-pull rods are rotatably connected to the circumferential outer wall of the lifting ring; a plurality of push-pull rods are rotatably connected to a plurality of movable slats at one end away from the lifting ring; a plurality of movable slats can move up and down in a plurality of through grooves and a plurality of accommodating spaces respectively; a pair of guide grooves are vertically opened on the circumferential side wall of the intermediate cylinder; a second motor is provided on the inner side of the lifting ring; the second motor is vertically fixed in the upper end part of the bottom cylinder; a screw is coaxially fixed to the output shaft of the second motor; a screw sleeve is threaded on the screw; a pair of connecting blocks are fixed to the circumferential side wall of the screw sleeve; the two connecting blocks are respectively slidably fitted in the two guide grooves; and the two connecting blocks are fixed on the circumferential inner wall of the lifting ring.

[0011] As a preferred technical solution of the present invention, a dust cleaning mechanism is installed on the dust-proof mechanism; a first protrusion and a second protrusion are respectively fixed at the upper and lower ends of a side of multiple pairs of dust-proof plates away from the intermediate cylinder; the dust cleaning mechanism includes multiple pairs of inclined rollers; the upper and lower ends of multiple pairs of rollers are respectively rotatably connected to the first protrusion and the second protrusion on multiple pairs of dust-proof plates; brushes are fixed to the outer periphery of multiple pairs of rollers; multiple pairs of rollers have liquid storage chambers inside, and the circumferential side walls of multiple pairs of rollers are evenly distributed with multiple spray holes connected to the liquid storage chamber; the lower ends of multiple pairs of rollers are rotatably connected to liquid supply connectors; multiple pairs of liquid supply connectors are connected to infusion tubes; the ends of multiple infusion tubes away from the liquid supply connectors are connected to a liquid supply box; the liquid supply box is fixed in the lower end of the bottom cylinder.

[0012] The present invention has the following beneficial effects:

[0013] The present invention pushes the photovoltaic panel in a vertical state from the inner side of the dustproof mechanism to the circumference of the upper end of the support tube through a push-pull mechanism, and then uses a rotating mechanism to switch the photovoltaic panel from a vertical state to a horizontal state. Then, solar power generation can be performed through the photovoltaic panel. When encountering severe weather such as wind and sand, the photovoltaic panel is first switched from a horizontal state to a vertical state through a rotating mechanism, and then the photovoltaic panel in a vertical state is pulled into the dustproof mechanism, thereby avoiding problems such as the surface of the photovoltaic panel being covered with sand and dust, which not only ensures the power generation efficiency of the photovoltaic panel, but also ensures the service life of the photovoltaic panel.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 The figure is a schematic structural diagram of an adjustable solar photovoltaic device of the present invention.

[0017] Figure 2 for Figure 1 The main view of the structure.

[0018] Figure 3 for Figure 1 top view of the structure.

[0019] Figure 4 It is a structural schematic diagram of the support tube of the present invention.

[0020] Figure 5 It is a structural schematic diagram of the dustproof mechanism of the present invention.

[0021] Figure 6 It is a structural schematic diagram of the connection between the rotating mechanism and the push-pull mechanism of the present invention.

[0022] Figure 7 It is a schematic structural diagram of the connection between the rotating mechanism and the photovoltaic panel of the present invention.

[0023] Figure 8 It is a structural schematic diagram of the rotating mechanism of the present invention.

[0024] Figure 9 It is a structural schematic diagram of the push-pull mechanism of the present invention.

[0025] Figure 10 It is a structural schematic diagram of the connection between the dust cleaning mechanism and the dust prevention mechanism of the present invention.

[0026] Figure 11 for Figure 10 top view of the structure.

[0027] Figure 12 It is a structural schematic diagram of the dust cleaning mechanism of the present invention.

[0028] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0029] 1-support cylinder, 2-photovoltaic panel, 3-dustproof mechanism, 4-rotation mechanism, 5-push-pull mechanism, 6-dust cleaning mechanism, 101-bottom cylinder, 102-bottom cover, 103-middle cylinder, 104-top cylinder, 105-top cover, 106-guide groove, 301-bearing cylinder, 302-mounting ring, 303-through groove, 304-dustproof plate, 305-first protrusion, 306-second protrusion, 401-movable slat, 402-U-shaped block, 403-limiting block, 404-rotating shaft, 40 5-first motor, 406-first bevel gear, 407-positioning block, 408-transmission shaft, 409-second bevel gear, 410-first pulley, 411-second pulley, 412-gear, 501-lifting ring, 502-push-pull rod, 503-second motor, 504-screw, 505-screw sleeve, 506-connecting block, 601-roller, 602-brush, 603-liquid storage chamber, 604-spray hole, 605-liquid supply connector, 606-infusion tube, 607-liquid supply box. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0031] Example 1:

[0032] See also Figure 1-3As shown, the present invention is an adjustable solar photovoltaic device, comprising a vertically arranged support tube 1 and a plurality of photovoltaic panels 2 arranged along a circular direction on the circumferential side of the support tube 1; a dustproof mechanism 3 is vertically installed on the outer periphery of the middle part of the support tube 1; a rotating mechanism 4 is installed above the dustproof mechanism 3; a plurality of photovoltaic panels 2 are all installed on the rotating mechanism 4, and the rotating mechanism 4 can drive the photovoltaic panels 2 to switch from a vertical state to a horizontal state or from a horizontal state to a vertical state; a push-pull mechanism 5 is connected to the rotating mechanism 4; the push-pull mechanism 5 can pull the photovoltaic panels 2 in a vertical state into the dustproof mechanism 3. During use, the photovoltaic panel 2 in a vertical state is pushed from the inner side of the dust-proof mechanism 3 to the circumference of the upper end of the support tube 1 through the push-pull mechanism 5, and then the photovoltaic panel 2 is switched from the vertical state to the horizontal state by the rotating mechanism 4. Then, solar power generation can be carried out through the photovoltaic panel 2. When encountering severe weather such as wind and sand, the photovoltaic panel 2 is first switched from the horizontal state to the vertical state by the rotating mechanism 4, and then the photovoltaic panel 2 in the vertical state is pulled into the dust-proof mechanism 3, thereby avoiding problems such as the surface of the photovoltaic panel 2 being covered with sand and dust, which not only ensures the power generation efficiency of the photovoltaic panel 2, but also ensures the service life of the photovoltaic panel 2.

[0033] Among them Figure 4 As shown, the support cylinder 1 includes a vertically arranged bottom cylinder 101; the lower port of the bottom cylinder 101 is horizontally bolted to a bottom cover 102; the upper port of the bottom cylinder 101 is coaxially welded to an intermediate cylinder 103; the upper port of the intermediate cylinder 103 is coaxially welded to a top cylinder 104; the upper port of the top cylinder 104 is horizontally bolted to a top cover 105; the diameter of the top cylinder 104 is consistent with the diameter of the bottom cylinder 101; the diameter of the bottom cylinder 101 is larger than the diameter of the intermediate cylinder 103.

[0034] Example 2:

[0035] Based on Example 1 Figure 5 and Figure 10-11As shown, the dustproof mechanism 3 includes a bearing tube 301 coaxially bolted to the outer periphery of the upper end of the bottom tube 101 and a mounting ring 302 coaxially bolted to the outer periphery of the lower end of the top tube 104; a plurality of through grooves 303 are vertically opened on the circumferential side wall of the bearing tube 301, and each through groove 303 passes through the upper end surface of the bearing tube 301; a pair of dustproof plates 304 with a right-angled trapezoidal structure are vertically arranged between two adjacent through grooves 303, and each dustproof plate 304 is close to one side of the intermediate tube 103 The upper and lower ends are respectively welded to the circumferential outer wall of the supporting tube 301 and the circumferential outer wall of the mounting ring 302 (i.e., the right-angle waist of the dustproof plate 304 is fixed to the supporting tube 301 and the mounting ring 302); the upper bottom edge length of the dustproof plate 304 is less than the lower bottom edge length, and the oblique waist of the dustproof plate 304 is arranged on the side of its right-angle waist away from the intermediate tube 103; the two dustproof plates 304 on the opposite sides of any through groove 303 are arranged in parallel, and a storage space for the photovoltaic panel 2 is formed between the two dustproof plates 304. When in use, by making the two dustproof plates 304 on the opposite sides of any through groove 303 parallel, and designing a storage space for the photovoltaic panel 2 to be formed between the two dustproof plates 304, when the photovoltaic panel 2 is vertically in the storage space, the front of the photovoltaic panel 2 slides and fits with the inner side of the dustproof plate 304, thereby effectively avoiding the problem of the front of the photovoltaic panel 2 being covered with sand and dust.

[0036] Among them Figure 4 and Figure 6-8As shown, the rotating mechanism 4 includes a plurality of movable slats 401 uniformly distributed along the radial direction of the top cylinder 104 and arranged on the circumferential side of the top cylinder 104; one end of each of the movable slats 401 is rotatably connected to a U-shaped block 402; each of the U-shaped blocks 402 is bolted to the circumferential side wall of the top cylinder 104; a surface of each of the movable slats 401 is welded with a limiting block 403 side by side along the length direction; when the movable slats 401 are arranged horizontally, the limiting block 403 is above the movable slat 401; two limiting blocks 403 on any movable slat 401 are connected by a pair of The movable slats 401 are connected to the rotating shaft 404 parallel to each other, and the rotating shaft 404 is rotatably matched with the limit block 403; the plurality of photovoltaic panels 2 are all in a right-angled trapezoidal structure, and the right-angled waists of the plurality of photovoltaic panels 2 are respectively fixed on the plurality of rotating shafts 404; the lower bottom edges of the plurality of photovoltaic panels 2 are all arranged on the side of their upper bottom edges away from the top tube 104, the length of the lower bottom edge of the photovoltaic panel 2 is greater than the length of its upper bottom edge, and the oblique waist of the photovoltaic panel 2 is arranged on the side of its right-angled waist away from the rotating shaft 404; when the plurality of photovoltaic panels 2 are all in a horizontal state, the plurality of photovoltaic panels 2 The voltaic panels 2 form a regular octagonal structure; a first motor 405 is provided between the plurality of movable slats 401; the first motor 405 is vertically bolted to the inside of the top cylinder 104; the output shaft of the first motor 405 passes through the top cover 105 and is keyed to a first bevel gear 406; a plurality of positioning blocks 407 are evenly distributed on the circumference of the first bevel gear 406; the plurality of positioning blocks 407 are respectively bolted to one surface of the plurality of movable slats 401; the plurality of positioning blocks 407 are rotatably connected to a transmission shaft 408 parallel to the movable slats 401; the plurality of transmission shafts 408 are parallel to the movable slats 401. One end of the driving shaft 408 is keyed to the second bevel gear 409; multiple second bevel gears 409 can mesh with the first bevel gear 406; the other ends of the multiple transmission shafts 408 are keyed to the first pulley 410; multiple first pulleys 410 are connected to the second pulley 411 through a synchronous belt transmission; multiple second pulleys 411 are respectively keyed to one end of a rotating shaft 404 on multiple movable slats 401; one end of the multiple rotating shafts 404 is keyed to a gear 412, and the two gears 412 on any movable slat 401 mesh with each other.When in use, when the plurality of photovoltaic panels 2 are in a horizontal state, the plurality of second bevel gears 409 are meshed with the first bevel gear 406. At this time, the first motor 405 drives the first bevel gear 406 to rotate, and the first bevel gear 406 drives the plurality of rotating shafts 404 to rotate synchronously via the second bevel gear 409, the transmission shaft 408, the first pulley 410, the second pulley 411 and the gear 412, so as to realize switching the photovoltaic panels 2 from a vertical state to a horizontal state or from a horizontal state to a vertical state, which not only effectively ensures that the photovoltaic panels 2 The position adjustment effect is achieved, and the power generation efficiency of the photovoltaic panel 2 is guaranteed. In addition, when the photovoltaic panel 2 is in a vertical state, the back surfaces of the two photovoltaic panels 2 on any movable slat 401 are respectively fitted with the opposite side surfaces of the movable slat 401, thereby effectively limiting the photovoltaic panel 2. When the photovoltaic panel 2 is in a vertical state, the distance between the back surfaces of the two photovoltaic panels 2 on any movable slat 401 is consistent with the width of the accommodating space, which can ensure the storage effect of the dustproof mechanism 3 on the photovoltaic panel 2.

[0037] Among them Figure 6-7 and Figure 9As shown, a pair of guide grooves 106 are vertically opened on the circumferential side wall of the intermediate cylinder 103; the push-pull mechanism 5 includes a lifting ring 501 slidably sleeved on the outer circumference of the intermediate cylinder 103; a plurality of push-pull rods 502 are rotatably connected to the circumferential outer wall of the lifting ring 501; the ends of the plurality of push-pull rods 502 away from the lifting ring 501 are rotatably connected to the plurality of movable slats 401; the plurality of movable slats 401 can respectively move up and down in the plurality of through slots 303 and the plurality of accommodating spaces. ; A second motor 503 is provided on the inner side of the lifting ring 501; the second motor 503 is vertically bolted to the upper end of the bottom cylinder 101; the output shaft of the second motor 503 is coaxially fixed with a screw rod 504; a screw sleeve 505 is threadedly fitted on the screw rod 504; a pair of connecting blocks 506 are welded to the circumferential side walls of the screw sleeve 505; the two connecting blocks 506 are respectively slidably fitted in the two guide grooves 106; the two connecting blocks 506 are both welded to the circumferential inner wall of the lifting ring 501. When in use, the screw rod 504 is driven to rotate by the second motor 503, prompting the screw rod 504 to drive the lifting ring 501 to move upward through the screw sleeve 505 and the connecting block 506, so that the movable slat 401 is driven to rotate upward to a horizontal state through the push-pull rod 502, thereby moving the photovoltaic panel 2 out of the accommodating space; and when it is necessary to store the photovoltaic panel 2, the photovoltaic panel 2 is first switched from the horizontal state to the vertical state through the rotating mechanism 4, and then the screw rod 504 is driven to rotate by the second motor 503, prompting the screw 504 to rotate through the screw sleeve 505 and the connecting block 506, so that the lifting ring 501 is driven downward to a tilted state through the push-pull rod 502, and the push-pull rod 502 is parallel to the oblique waist of the adjacent dustproof plate 304, so that the photovoltaic panel 2 is completely moved into the accommodating space, and at this time the oblique waist of the photovoltaic panel 2 is in a vertical state, effectively ensuring the position adjustment effect of the photovoltaic panel 2, and also ensuring the service life of the photovoltaic panel 2.

[0038] Example 3:

[0039] Based on Example 2, Figure 5 and Figure 10-12As shown, the dust-proof mechanism 3 is equipped with a dust-cleaning mechanism 6; the upper and lower ends of the side edges of the multiple pairs of dust-proof plates 304 away from the intermediate cylinder 103 are respectively welded with a first protrusion 305 and a second protrusion 306; the dust-cleaning mechanism 6 includes multiple pairs of inclined rollers 601; the upper and lower ends of the multiple pairs of rollers 601 are respectively rotatably connected to the first protrusion 305 and the second protrusion 306 on the multiple pairs of dust-proof plates 304; the outer peripheries of the multiple pairs of rollers 601 are screwed with conventional brushes 602 in the art; the brush 602 is composed of a cotton brush cover and a plurality of cotton bristles attached to the outer surface of the cotton brush cover ; The interiors of the multiple pairs of rotating rollers 601 all have liquid storage chambers 603, and the circumferential side walls of the multiple pairs of rotating rollers 601 are evenly distributed with multiple spray holes 604 connected to the liquid storage chambers 603; the lower ends of the multiple pairs of rotating rollers 601 are rotatably connected to liquid supply connectors 605; the multiple pairs of liquid supply connectors 605 are connected to liquid infusion tubes 606; the ends of the multiple liquid infusion tubes 606 away from the liquid supply connectors 605 are all connected to a liquid supply box 607; the liquid supply box 607 is bolted to the lower end of the bottom cylinder 101; the liquid supply box 607 is connected to the liquid supply equipment; the liquid supply equipment includes a liquid supply pump and a liquid supply tank. During use, when the photovoltaic panel 2 is moved into or out of the accommodation space, the photovoltaic panel 2 will drive the roller 601 to rotate passively, and at the same time, the cleaning liquid (pure water can be selected as the cleaning liquid) is delivered to the liquid supply box 607 through the liquid supply device. The liquid supply box 607 then delivers the cleaning liquid to the spray hole 604 through the liquid infusion tube 606, the liquid supply connector 605 and the liquid storage chamber 603. The spray hole 604 then sprays the cleaning liquid to the brush 602, thereby realizing the surface brushing of the photovoltaic panel 2 during the storage process, effectively ensuring the surface cleanliness of the photovoltaic panel 2, and also ensuring the power generation efficiency of the photovoltaic panel 2.

[0040] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An adjustable solar photovoltaic device, characterized in that: It comprises a vertically arranged support tube (1) and a plurality of photovoltaic panels (2) arranged along a circular direction on the circumference of the support tube (1); A dustproof mechanism (3) is vertically installed on the outer periphery of the middle portion of the support tube (1); a rotating mechanism (4) is installed above the dustproof mechanism (3); a plurality of photovoltaic panels (2) are installed on the rotating mechanism (4), and the rotating mechanism (4) can drive the photovoltaic panels (2) to switch from a vertical state to a horizontal state or from a horizontal state to a vertical state; a push-pull mechanism (5) is connected to the rotating mechanism (4); the push-pull mechanism (5) can pull the photovoltaic panels (2) in a vertical state into the dustproof mechanism (3).

2. The adjustable solar photovoltaic device according to claim 1, characterized in that: The support tube (1) comprises a vertically arranged bottom tube (101); a bottom cover (102) is horizontally fixed to the lower end of the bottom tube (101); an intermediate tube (103) is coaxially fixed to the upper end of the bottom tube (101); a top tube (104) is coaxially fixed to the upper end of the intermediate tube (103); a top cover (105) is horizontally fixed to the upper end of the top tube (104); the diameter of the top tube (104) is consistent with the diameter of the bottom tube (101); and the diameter of the bottom tube (101) is larger than the diameter of the intermediate tube (103).

3. The adjustable solar photovoltaic device according to claim 2, characterized in that: The dustproof mechanism (3) comprises a supporting tube (301) coaxially fixed to the outer periphery of the upper end of the bottom tube (101) and a mounting ring (302) coaxially fixed to the outer periphery of the lower end of the top tube (104); a plurality of through grooves (303) are vertically opened on the circumferential side wall of the supporting tube (301), and each of the through grooves (303) passes through the upper end surface of the supporting tube (301); a pair of dustproof plates (304) are vertically arranged between two adjacent through grooves (303), and the upper and lower ends of each dustproof plate (304) close to one side of the middle tube (103) are respectively fixed to the circumferential outer wall of the supporting tube (301) and the circumferential outer wall of the mounting ring (302); the two dustproof plates (304) at the opposite side edges of any one of the through grooves (303) are arranged in parallel, and a storage space for the photovoltaic panel (2) is formed between the two dustproof plates (304).

4. The adjustable solar photovoltaic device according to claim 3, characterized in that: The rotating mechanism (4) comprises a plurality of movable slats (401) uniformly arranged on the circumferential side of the top cylinder (104) along the radial direction of the top cylinder (104); one end of each of the plurality of movable slats (401) is rotatably connected to a U-shaped block (402); each of the plurality of U-shaped blocks (402) is fixed on the circumferential side wall of the top cylinder (104); a surface of each of the plurality of movable slats (401) is fixed with a limiting block (403) in parallel along the length direction; when the movable slats (401) are arranged horizontally, the limiting block (403) is located above the movable slat (401); two limiting blocks (403) on any one of the movable slats (401) are connected via a pair of rotating shafts (404) parallel to the movable slat (401), and the rotating shafts (404) and the limiting blocks (403) are rotatably matched; and the plurality of photovoltaic panels (2) are respectively fixed on the plurality of rotating shafts (404).

5. The adjustable solar photovoltaic device according to claim 4, characterized in that: A first motor (405) is provided between the plurality of movable slats (401); the first motor (405) is vertically fixed in the top cylinder (104); the output shaft of the first motor (405) passes through the top cover (105) and is fixedly sleeved with a first bevel gear (406); a plurality of positioning blocks (407) are evenly distributed on the circumference of the first bevel gear (406); the plurality of positioning blocks (407) are respectively fixed on a surface of the plurality of movable slats (401); the plurality of positioning blocks (407) are rotatably connected to a transmission shaft (408) parallel to the movable slats (401); one end of the plurality of transmission shafts (408) is A second bevel gear (409) is fixedly sleeved; a plurality of the second bevel gears (409) are all capable of meshing with the first bevel gear (406); a first pulley (410) is fixedly sleeved on the other end of a plurality of the transmission shafts (408); a second pulley (411) is connected to the plurality of the first pulleys (410) via a synchronous belt transmission; the plurality of the second pulleys (411) are respectively fixedly sleeved on one end of a rotating shaft (404) on a plurality of movable slats (401); a gear (412) is fixedly sleeved on one end of a plurality of the rotating shafts (404), and the two gears (412) on any one of the movable slats (401) are meshed with each other.

6. The adjustable solar photovoltaic device according to claim 4 or 5, characterized in that: The push-pull mechanism (5) comprises a lifting ring (501) slidably sleeved on the outer circumference of the intermediate cylinder (103); a plurality of push-pull rods (502) are rotatably connected to the circumferential outer wall of the lifting ring (501); the ends of the plurality of push-pull rods (502) away from the lifting ring (501) are rotatably connected to a plurality of movable slats (401); the plurality of movable slats (401) can respectively move up and down in a plurality of through slots (303) and a plurality of accommodating spaces.

7. The adjustable solar photovoltaic device according to claim 6, characterized in that: A pair of guide grooves (106) are vertically provided on the circumferential side wall of the intermediate cylinder (103); a second motor (503) is provided on the inner side of the lifting ring (501); the second motor (503) is vertically fixed in the upper end portion of the bottom cylinder (101); a screw rod (504) is coaxially fixed to the output shaft of the second motor (503); a screw sleeve (505) is threadedly engaged with the screw rod (504); a pair of connecting blocks (506) are fixed to the circumferential side wall of the screw sleeve (505); the two connecting blocks (506) are respectively slidably engaged in the two guide grooves (106); and the two connecting blocks (506) are both fixed on the circumferential inner wall of the lifting ring (501).

8. The adjustable solar photovoltaic device according to claim 7, characterized in that: The dustproof mechanism (3) is provided with a dust cleaning mechanism (6); a first protrusion (305) and a second protrusion (306) are respectively fixed at the upper and lower ends of a side of a plurality of pairs of dustproof plates (304) away from the intermediate cylinder (103); the dust cleaning mechanism (6) comprises a plurality of pairs of inclined rollers (601); the upper and lower ends of the plurality of pairs of rollers (601) are respectively rotatably connected to the first protrusion (305) and the second protrusion (306) on the plurality of pairs of dustproof plates (304); and brushes (602) are fixed to the outer peripheries of the plurality of pairs of rollers (601).

9. The adjustable solar photovoltaic device according to claim 8, characterized in that: The plurality of pairs of rollers (601) each have a liquid storage chamber (603) therein, and the circumferential side walls of the plurality of pairs of rollers (601) are uniformly provided with a plurality of spray holes (604) in communication with the liquid storage chamber (603); the lower ends of the plurality of pairs of rollers (601) are rotatably connected to a liquid supply connector (605); the plurality of pairs of liquid supply connectors (605) are each connected to a liquid infusion tube (606); the ends of the plurality of liquid infusion tubes (606) away from the liquid supply connector (605) are each connected to a liquid supply box (607); the liquid supply box (607) is fixed in the lower end of the bottom tube (101).

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