CN111371386B

CN111371386B - Solar cell

Info

Publication number: CN111371386B
Application number: CN202010154211.6A
Authority: CN
Inventors: 敖琦; 吕晟; 张文浩; 陈同翔
Original assignee: Individual
Current assignee: Xiamen Meiya Ruijin Power Technology Co ltd
Priority date: 2020-03-07
Filing date: 2020-03-07
Publication date: 2021-09-17
Anticipated expiration: 2040-03-07
Also published as: CN111371386A

Abstract

The invention relates to the technical field of solar power generation, in particular to a solar cell which comprises a lifting mechanism, a linkage mechanism, an extension mechanism and a photovoltaic power generation mechanism, wherein the lifting mechanism is provided with the linkage mechanism, the extension mechanisms are respectively arranged at two sides of the linkage mechanism, the photovoltaic power generation mechanism is respectively arranged on the extension mechanisms, the lifting mechanism comprises a bottom plate, sliding columns, a rotating sleeve, a lifting plate, a sliding chute, a first threaded hole, an axial groove, a first external thread, a sliding plate, a servo motor, a driving gear and a driven gear, the upper side of the bottom plate is fixedly connected with two sliding columns, the middle part of the upper side of the bottom plate is rotatably embedded with the rotating sleeve through a bearing, the solar cell can reversely lift by virtue of a thread structure in the rotating process of the rotating sleeve, further achieves the effects of lifting the extension mechanism and the photovoltaic power generation mechanism, and can reserve a larger space below the photovoltaic power generation mechanism, the floor area of the solar cell is reduced, and meanwhile, the lifting mechanism is contracted.

Description

Solar cell

Technical Field

The invention relates to the technical field of solar power generation, in particular to a solar cell.

Background

Solar cells are devices which directly convert light energy into electric energy through photoelectric effect or photochemical effect, crystalline silicon solar cells which work through photoelectric effect are the mainstream, thin film cells which work through photochemical effect are in the sprouting stage, and the application of the solar cells is entered into industrial, commercial, agricultural, communication, household appliances, public facilities and other departments from the military field and the aerospace field, and particularly can be dispersedly used in remote areas, high mountains, deserts, islands and rural areas, so as to save the power transmission lines with expensive construction cost.

Because the natural conditions of remote areas, mountains, deserts, islands and rural areas are severe, especially extreme weather is more, the safety of the traditional fixed solar cell is poor, at present, the fixed solar cell has a longer wingspan and a larger wind area for ensuring the generated energy, and severe weather such as sand storm, rainstorm, hailstone and the like can cause great damage to a power generation assembly and a supporting structure, the normal use of the solar cell is seriously influenced, and the service life of the solar cell is shortened.

Disclosure of Invention

The invention provides a solar cell aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a solar cell, includes elevating system, link gear, extension mechanism and photovoltaic power generation mechanism, the last link gear of installing of elevating system, extension mechanism is all installed to link gear's both sides, all install photovoltaic power generation mechanism on the extension mechanism.

Specifically, the lifting mechanism comprises a bottom plate, sliding columns, a rotating sleeve, a lifting plate, sliding grooves, a threaded hole I, an axial groove, an outer thread I, a sliding plate, a servo motor, a driving gear and a driven gear, wherein the two sliding columns are fixedly connected to the upper side of the bottom plate, the rotating sleeve is rotatably embedded in the middle of the upper side of the bottom plate through a bearing, the lifting plate is arranged above the bottom plate, the sliding grooves are formed in the lifting plate, the threaded hole I is formed in the middle of the lifting plate and between the two sliding grooves, the top ends of the sliding columns penetrate through the sliding grooves, the top ends of the rotating sleeve penetrate through the rotating sleeve and is rotatably connected with the sliding plate through the bearing, the outer thread I is formed in the outer wall of the rotating sleeve, the axial groove is formed in the inner wall of the rotating sleeve, the servo motor is fixed to the upper side screw of the sliding plate, the output shaft of the servo motor penetrates through the sliding plate and is fixedly connected with the driving gear, and the driven gear is arranged on one side of the driving gear, the driven gear is fixedly sleeved on the outer wall of the rotating sleeve, and the driving gear is meshed with the driven gear.

Specifically, the linkage mechanism comprises vertical plates, a top plate, auxiliary belt wheels, a main belt wheel, a transmission belt, a rotating shaft, a rotating rod and a second external thread, the top plate is positioned above the lifting plate, the two vertical plates are fixedly connected between the lifting plate and the top plate, a sliding plate is arranged between the two vertical plates, the main belt wheel and the two auxiliary belt wheels are arranged above the top plate, the rotating shafts of the main belt wheel and the auxiliary belt wheels are rotatably connected with the top plate through bearings, the transmission belt is connected between the main belt wheel and the two auxiliary belt wheels in a transmission manner, the middle part of the top plate is rotatably connected with the rotating shaft through the bearings, the bottom end of the rotating shaft extends into a shaft groove, the top end of the rotating shaft is fixedly connected with the main belt wheel, the rotating rod is arranged on two sides of the vertical plates and positioned between the top plate and the lifting plate, and the two ends of the rotating rod are rotatably connected with the top plate and the lifting plate through the bearings, two outer threads are formed in the outer walls of the two ends of the rotating rod, and the top end of the rotating rod is fixedly connected with the adjacent auxiliary belt pulley by penetrating through the top plate.

The extension mechanism comprises an inclined rod, two inclined rods, a rotating pin, two rotating pins, a sliding block, three rotating pins, two internal threads and four rotating pins, the sliding block is sleeved on the outer side of the two external threads, the two internal threads matched with the two external threads are arranged in the sliding block, the three rotating pins are fixedly connected to the sliding block, a plurality of inclined rods and a plurality of two inclined rods are arranged on one side of the sliding block in an equal distance and are arranged adjacently, the inclined rods and the two inclined rods are arranged in a crossed mode and are adjacent to each other, the inclined rods and the two inclined rods are connected in a rotating mode through the one rotating pins and are adjacent to each other, the inclined rods are connected in a rotating mode through the two rotating pins and are adjacent to each other, and the two inclined rods are connected in a rotating mode through the four rotating pins and are connected to each three rotating pins.

Specifically, photovoltaic power generation mechanism includes shell, connecting plate, round pin post, photovoltaic power generation board, lug and connecting pin, and is a plurality of the shell equidistance sets up, all inlay in the shell and be equipped with the photovoltaic power generation board, two lugs of the equal fixedly connected with in the relative both sides of shell are adjacent all be equipped with the connecting plate between the lug, equal fixedly connected with round pin post on the both ends lateral wall of connecting plate, the one end that the connecting plate was kept away from to the round pin post is all rotated and is inlayed and establish on adjacent lug lateral wall, the equal fixed connecting pin that is equipped with of inlaying in middle part one side of shell, the connecting pin all with adjacent a commentaries on classics round pin fixed connection.

Specifically, the rotating sleeve is in threaded connection with the inner wall of the first threaded hole, and the structure of the shaft groove is matched with that of the rotating shaft.

Specifically, the two vertical plates are connected with the outer wall of the sliding plate in a sliding mode, the thread directions of the adjacent second external threads are opposite, the sliding block is connected with the rotating rod in a threaded mode, and the structure of the second internal thread is matched with the structure of the adjacent second external threads.

The invention has the beneficial effects that:

(1) according to the solar cell, during the rotation process of the rotating sleeve, the rotating sleeve can be reversely lifted by means of the threaded structure, so that the functions of lifting the extension mechanism and the photovoltaic power generation mechanism are achieved, a larger space can be reserved below the photovoltaic power generation mechanism, the occupied area of the solar cell is reduced, meanwhile, when the lifting mechanism is contracted, the solar cell can be conveniently overhauled, and the danger of manual climbing is avoided.

(2) According to the solar cell, the rotating sleeve can drive the rotating shaft to rotate, so that the rotating rod can be driven to rotate, the second external threads with opposite thread directions can drive the sliding blocks to mutually approach or separate from each other in a threaded manner, the included angle between the first inclined rod and the second inclined rod is further adjusted, the extension mechanism is controlled to stretch, the distance between the adjacent plate shells can be controlled by adjusting the distance of the first rotating pin, the plate shells can be pulled to perform angle adjustment in a rotating connection mode, the effect of contracting and extending the photovoltaic power generation mechanism is further achieved, the solar cell can be conveniently stored, the influence of extreme weather on the solar cell panel is avoided, and the service life of the solar cell is prolonged.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of a solar cell provided in the present invention;

FIG. 2 is a cross-sectional view of a solar cell of the present invention taken along the line A-A in FIG. 1;

FIG. 3 is a schematic structural diagram of a photovoltaic power generation mechanism in a solar cell according to the present invention;

FIG. 4 is an enlarged view of a structure B in FIG. 1 of a solar cell according to the present invention;

fig. 5 is a schematic structural diagram of a solar cell transfer sleeve according to the present invention.

In the figure: 1. a lifting mechanism; 11. a base plate; 12. a traveler; 13. rotating the sleeve; 14. a lifting plate; 15. a chute; 16. a first threaded hole; 17. a shaft groove; 18. a first external thread; 19. a slide plate; 110. a servo motor; 111. a driving gear; 112. a driven gear; 2. a linkage mechanism; 21. a vertical plate; 22. a top plate; 23. a secondary pulley; 24. a primary pulley; 25. a drive belt; 26. a rotating shaft; 27. a rotating rod; 28. a second external thread; 3. an extension mechanism; 31. a first inclined rod; 32. a second diagonal rod; 33. a first rotating pin; 34. rotating the pin II; 35. a slider; 36. rotating the pin; 37. a second internal thread; 38. rotating the pin; 4. a photovoltaic power generation mechanism; 41. a plate shell; 42. a connecting plate; 43. a pin; 44. a photovoltaic power generation panel; 45. a bump; 46. and (7) connecting pins.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-5, the solar cell according to the present invention includes a lifting mechanism 1, a linkage mechanism 2, an extension mechanism 3 and a photovoltaic power generation mechanism 4, wherein the linkage mechanism 2 is installed on the lifting mechanism 1, the extension mechanisms 3 are installed on both sides of the linkage mechanism 2, the photovoltaic power generation mechanisms 4 are installed on the extension mechanisms 3, the linkage mechanism 2, the extension mechanism 3 and the photovoltaic power generation mechanisms 4 are lifted by the lifting mechanism 1, the linkage mechanism 2 drives the extension mechanism 3 to extend and retract, and the extension mechanism 3 extends and retracts to drive the photovoltaic power generation mechanisms 4 to extend and retract, so as to reduce the floor area of the solar cell to the maximum.

Specifically, the lifting mechanism 1 includes a bottom plate 11, sliding columns 12, a rotating sleeve 13, a lifting plate 14, sliding chutes 15, a first threaded hole 16, a shaft groove 17, a first external thread 18, a sliding plate 19, a servo motor 110, a driving gear 111 and a driven gear 112, two sliding columns 12 are fixedly connected to the upper side of the bottom plate 11, the rotating sleeve 13 is rotatably embedded in the middle of the upper side of the bottom plate 11 through a bearing, the lifting plate 14 is arranged above the bottom plate 11, the sliding chutes 15 are arranged on the lifting plate 14, a first threaded hole 16 is arranged between the two sliding chutes 15 and in the middle of the lifting plate 14, the top ends of the sliding columns 12 all pass through the sliding chutes 15, the top end of the rotating sleeve 13 passes through the rotating sleeve 13 and is rotatably connected with a sliding plate 19 through a bearing, the outer wall of the rotating sleeve 13 is provided with a first external thread 18, the inner wall of the rotating sleeve 13 is provided with a shaft groove 17, the servo motor 110 is fixed to an upper side screw of the sliding plate 19, the output shaft of the servo motor 110 penetrates through the sliding plate 19 to be fixedly connected with the driving gear 111, a driven gear 112 is arranged on one side of the driving gear 111, the driven gear 112 is fixedly sleeved on the outer wall of the rotating sleeve 13, the driving gear 111 and the driven gear 112 are meshed and connected, the servo motor 110 is started to drive the driving gear 111 to rotate, then the driven gear 112 is meshed and transmitted, the driven gear 112 drives the rotating sleeve 13 to rotate, under the limiting effect of the sliding column 12, the lifting plate 14 can only move along a straight line, and in the rotating process of the rotating sleeve 13, the threaded structure of the first threaded hole 16 can drive the rotating sleeve 13 to ascend in a threaded mode, and then the lifting plate 14 is lifted.

Specifically, the linkage mechanism 2 includes a vertical plate 21, a top plate 22, secondary belt pulleys 23, a main belt pulley 24, a transmission belt 25, a rotating shaft 26, a rotating rod 27 and a second external thread 28, the top plate 22 is located above the lifting plate 14, two vertical plates 21 are fixedly connected between the lifting plate 14 and the top plate 22, a sliding plate 19 is arranged between the two vertical plates 21, the main belt pulley 24 and the two secondary belt pulleys 23 are arranged above the top plate 22, rotating shafts of the main belt pulley 24 and the secondary belt pulleys 23 are both rotatably connected with the top plate 22 through bearings, the transmission belt 25 is in transmission connection between the main belt pulley 24 and the two secondary belt pulleys 23, the middle part of the top plate 22 is rotatably connected with the rotating shaft 26 through bearings, the bottom end of the rotating shaft 26 extends into the shaft groove 17, the top end of the rotating shaft 26 is fixedly connected with the main belt pulley 24, the rotating rods 27 are arranged on both sides of the vertical plate 21 and located between the top plate 22 and the lifting plate 14, the two ends of the rotating rod 27 are rotatably connected with the top plate 22 and the lifting plate 14 through bearings, two outer threads 28 are formed in the outer walls of the two ends of the rotating rod 27, the top end of the rotating rod 27 is fixedly connected with the adjacent secondary belt pulley 23 through penetrating through the top plate 22, the rotating sleeve 13 rotates to drive the rotating shaft 26 to rotate, the rotating sleeve 13 can climb along the rotating shaft 26 in the rotating process, the lifting condition of the lifting plate 14 can be met, the rotating shaft 26 drives the main belt pulley 24 to rotate, and then the belt drives the secondary belt pulley 23 and the rotating rod 27 to rotate.

Specifically, the extension mechanism 3 includes a first inclined rod 31, a second inclined rod 32, a first rotating pin 33, a second rotating pin 34, a slider 35, a third rotating pin 36, a second internal thread 37 and a fourth rotating pin 38, the slider 35 is sleeved on the outer side of the second external thread 28, a second internal thread 37 matched with the second external thread 28 is arranged in the slider 35, a third rotating pin 36 is fixedly connected to the slider 35, a plurality of first inclined rods 31 and a plurality of second inclined rods 32 are arranged on one side of the slider 35 at equal intervals, the first inclined rods 31 and the second inclined rods 32 are arranged in a crossed manner, the first inclined rods 31 and the second inclined rods 32 are adjacent to each other and rotatably connected through the first rotating pin 33, the first inclined rods 31 are adjacent to each other and rotatably connected through the second rotating pin 34, the second inclined rods 32 are adjacent to each other and rotatably connected through the fourth rotating pin 38, and the third rotating pins 36 are respectively rotatably connected with the adjacent first inclined rods 31 and second inclined rods 32, the pivot 26 drives main belt wheel 24 and rotates, and then belt drive auxiliary belt wheel 23 and bull stick 27 rotate, and No. two external screw thread 28 of bull stick 27 both ends outer wall can two sliders 35 of screw drive be close to each other along riser 21, and then change the contained angle between an down tube 31 and No. two down tubes 32 for interval increase between an adjacent round pin 33, extension mechanism 3 length extension.

Specifically, the photovoltaic power generation mechanism 4 comprises a plate shell 41, a connecting plate 42, a pin column 43, a photovoltaic power generation plate 44, a bump 45 and a connecting pin 46, wherein the plate shell 41 is arranged at equal intervals, the photovoltaic power generation plate 44 is embedded in the plate shell 41, two bumps 45 are fixedly connected to two opposite sides of the plate shell 41, the connecting plate 42 is arranged between the bumps 45, the pin column 43 is fixedly connected to two side walls at two ends of the connecting plate 42, one end, far away from the connecting plate 42, of the pin column 43 is rotatably embedded on the side walls of the adjacent bumps 45, the connecting pin 46 is fixedly embedded on one side of the middle part of the plate shell 41, the connecting pin 46 is fixedly connected with the adjacent first rotating pin 33, the extension mechanism 3 extends in length, the plate shell 41 is driven to move, the included angle between the adjacent plate shells 41 is increased, and under the connecting action of the connecting plate 42 and the pin column 43, the distance between the adjacent plate shells 41 can be increased, thereby achieving the effect of fully extending the photovoltaic power generation mechanism 4.

Specifically, the rotating sleeve 13 is in threaded connection with the inner wall of the first threaded hole 16, the structure of the shaft groove 17 is matched with that of the rotating shaft 26, and the inner wall of the first threaded hole 16 can drive the rotating sleeve 13 to rotate and rise in a reverse threaded mode, so that the lifting plate 14 is lifted.

Specifically, the two vertical plates 21 are both connected with the outer wall of the sliding plate 19 in a sliding manner, the thread directions of the adjacent second external threads 28 are opposite, the sliding plate 19 is clamped between the two vertical plates 21 and can only move along a straight line, when the servo motor 110 is driven, the sliding plate 19 can be kept to move along the straight line, the sliding block 35 is in threaded connection with the rotating rod 27, the structure of the second internal thread 37 is matched with the structure of the adjacent second external thread 28, the opposite second external threads 28 can simultaneously drive the adjacent sliding block 35 to be close to or far away from, the included angle of the inclined rod is adjusted, and the length of the extension mechanism 3 is adjusted.

When the photovoltaic power generation device is used, the photovoltaic power generation boards 44 are connected in series with each other and are electrically connected with the power storage equipment through a lead, the servo motor 110 is started, the driving gear 111 can be driven to rotate, the driven gear 112 is further meshed and driven, the driven gear 112 drives the rotary sleeve 13 to rotate, under the limiting action of the sliding column 12, the lifting plate 14 can only move along a straight line, so that the threaded structure of the first threaded hole 16 can drive the rotary sleeve 13 to ascend in a threaded manner in the rotating process of the rotary sleeve 13, the lifting plate 14 is further lifted, in addition, the rotary sleeve 13 rotates and can drive the rotating shaft 26 to rotate, the rotary sleeve 13 can climb along the rotating shaft 26 in the rotating process, the lifting condition of the lifting plate 14 can be met, the rotating shaft 26 drives the main belt pulley 24 to rotate, the belt drives the auxiliary belt pulley 23 and the rotating rod 27 to rotate, the second external threads 28 on the outer walls at two ends of the rotating rod 27 can drive the two sliding blocks 35 to approach each other along the vertical plate 21 in a threaded manner, and then change the contained angle between down tube 31 and No. two down tubes 32, make the interval increase between the adjacent round pin 33, extension mechanism 3 length extension, drive the shell 41 and remove, the interval increase between the adjacent shell 41, under the linkage effect of connecting plate 42 and round pin 43, the contained angle between the adjacent shell 41 can increase, and then reach the effect of fully extending photovoltaic power generation mechanism 4, enlarge photovoltaic power generation board 44's photic area, and the same is true, servo motor 110 reverses, can drive elevating system 1 and descend, extension mechanism 3 and the shrink of photovoltaic power generation mechanism 4, reduce solar cell's area.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The solar cell is characterized by comprising a lifting mechanism (1), a linkage mechanism (2), extension mechanisms (3) and photovoltaic power generation mechanisms (4), wherein the linkage mechanism (2) is installed on the lifting mechanism (1), the extension mechanisms (3) are installed on two sides of the linkage mechanism (2), and the photovoltaic power generation mechanisms (4) are installed on the extension mechanisms (3); the lifting mechanism (1) comprises a bottom plate (11), sliding columns (12), a rotating sleeve (13), a lifting plate (14), sliding grooves (15), a first threaded hole (16), a shaft groove (17), a first external thread (18), a sliding plate (19), a servo motor (110), a driving gear (111) and a driven gear (112), wherein the two sliding columns (12) are fixedly connected to the upper side of the bottom plate (11), the rotating sleeve (13) is embedded in the middle of the upper side of the bottom plate (11) through bearing rotation, the lifting plate (14) is arranged above the bottom plate (11), the sliding grooves (15) are formed in the lifting plate (14), the first threaded hole (16) is formed in the middle of the lifting plate (14) and between the two sliding grooves (15), the sliding grooves (15) are formed in the top ends of the sliding columns (12), the sliding plate (19) is connected to the top end of the rotating sleeve (13) through bearing rotation, the outer wall of the rotating sleeve (13) is provided with a first external thread (18), the inner wall of the rotating sleeve (13) is provided with a shaft groove (17), a servo motor (110) is fixed on the upper side of the sliding plate (19) through a screw, an output shaft of the servo motor (110) penetrates through the sliding plate (19) to be fixedly connected with a driving gear (111), one side of the driving gear (111) is provided with a driven gear (112), the driven gear (112) is fixedly sleeved on the outer wall of the rotating sleeve (13), and the driving gear (111) is meshed with the driven gear (112); the linkage mechanism (2) comprises vertical plates (21), a top plate (22), auxiliary belt wheels (23), a main belt wheel (24), a transmission belt (25), a rotating shaft (26), a rotating rod (27) and two outer threads (28), wherein the top plate (22) is positioned above the lifting plate (14), two vertical plates (21) are fixedly connected between the lifting plate (14) and the top plate (22), a sliding plate (19) is arranged between the vertical plates (21), the main belt wheel (24) and the two auxiliary belt wheels (23) are arranged above the top plate (22), rotating shafts of the main belt wheel (24) and the auxiliary belt wheels (23) are rotatably connected with the top plate (22) through bearings, the transmission belt (25) is connected between the main belt wheel (24) and the two auxiliary belt wheels (23), the rotating shaft (26) is rotatably connected with the middle part of the top plate (22) through bearings, the bottom end of the rotating shaft (26) extends into the shaft groove (17), the top end of the rotating shaft (26) is fixedly connected with the main belt pulley (24), rotating rods (27) are arranged on two sides of the vertical plate (21) and between the top plate (22) and the lifting plate (14), two ends of each rotating rod (27) are rotatably connected with the top plate (22) and the lifting plate (14) through bearings, two external threads (28) are arranged on the outer walls of two ends of each rotating rod (27), and the top end of each rotating rod (27) is fixedly connected with the adjacent auxiliary belt pulley (23) through penetrating through the top plate (22); the extension mechanism (3) comprises a first inclined rod (31), a second inclined rod (32), a first rotating pin (33), a second rotating pin (34), a sliding block (35), a third rotating pin (36), a second internal thread (37) and a fourth rotating pin (38), wherein the sliding block (35) is sleeved on the outer side of the second external thread (28), the second internal thread (37) matched with the second external thread (28) is arranged in the sliding block (35), the third rotating pin (36) is fixedly connected to the sliding block (35), a plurality of first inclined rods (31) and a plurality of second inclined rods (32) are arranged on one side of the sliding block (35) in an equal distance, the first inclined rods (31) and the second inclined rods (32) are arranged in a crossed manner, the first inclined rods (31) and the second inclined rods (32) are connected in a rotating manner through the first rotating pin (33), and the first inclined rods (31) are connected in a rotating manner through the second rotating pin (34), the adjacent second inclined rods (32) are rotatably connected through a fourth rotating pin (38), and the two third rotating pins (36) are respectively rotatably connected with the adjacent first inclined rods (31) and the adjacent second inclined rods (32); photovoltaic power generation mechanism (4) are including shell (41), connecting plate (42), round pin post (43), photovoltaic power generation board (44), lug (45) and connecting pin (46), and are a plurality of shell (41) equidistance sets up, all inlay in shell (41) and be equipped with photovoltaic power generation board (44), two lugs (45) of the equal fixedly connected with in relative both sides of shell (41), it is adjacent all be equipped with connecting plate (42) between lug (45), equal fixedly connected with round pin post (43) on the both ends lateral wall of connecting plate (42), the one end that connecting plate (42) were kept away from in round pin post (43) is all rotated and is inlayed and establish on adjacent lug (45) lateral wall, the equal fixed connecting pin (46) that is equipped with of middle part one side of shell (41), connecting pin (46) all with adjacent round pin (33) fixed connection.

2. A solar cell according to claim 1, characterized in that: the rotating sleeve (13) is in threaded connection with the inner wall of the first threaded hole (16), and the structure of the shaft groove (17) is matched with that of the rotating shaft (26).

3. A solar cell according to claim 1, characterized in that: the two vertical plates (21) are in sliding connection with the outer wall of the sliding plate (19), and the thread directions of the adjacent second external threads (28) are opposite; the sliding block (35) is in threaded connection with the rotating rod (27), and the structure of the second internal thread (37) is matched with the structure of the adjacent second external thread (28).