A tracking type solar shading device

Abstract

The present invention relates to a tracking type sunshade photovoltaic device, which belongs to the field of building structure technology, and solves the problems in the prior art that the photovoltaic panels are fixed and suspended against the wall, the direction of the photovoltaic panels cannot be adjusted, the solar energy receiving efficiency is low, and the power generation efficiency is poor. The present invention includes a support part, a photoelectric conversion part, a transmission part and a drive part. The photoelectric conversion part is arranged on the support part, and the transmission part is respectively connected to the photoelectric conversion part and the drive part. The support part is used to connect to the building, the photoelectric conversion part is used to separate indoor and outdoor spaces and is used for solar power generation, and the drive part is used to drive the photoelectric conversion part to change direction through the transmission part to keep it perpendicular to the sunlight. The drive part of the present invention can drive the photoelectric conversion part to change direction through the transmission part, and the photoelectric conversion part keeps it perpendicular to the sunlight, thereby improving the solar energy receiving efficiency and power generation efficiency of the photoelectric conversion part.

Description

Technical Field

[0001] The invention belongs to the technical field of building structures, and in particular relates to a tracking type solar shading photovoltaic device. Background Art

[0002] Photovoltaic panels, also known as solar cell modules, are thin sheets of optoelectronic semiconductors that use sunlight to directly generate electricity.

[0003] In the prior art, photovoltaic panels are usually installed on the roof or wall of a building. When installing on a wall, photovoltaic panels are usually hung against the wall. This method cannot adjust the direction of the photovoltaic panel, but the earth is rotating all the time, and the sun's position is changing all the time. The photovoltaic panel cannot be kept perpendicular to the sunlight, and the solar energy reception efficiency is low, resulting in poor power generation efficiency; the existing photovoltaic panel assembly has its own drive device, and it is impossible to achieve extended installation with only one set of drive structure.

[0004] Therefore, there is an urgent need for a tracking sunshade photovoltaic device to solve the problems in the prior art that the photovoltaic panels are fixedly hung against the wall, the direction of the photovoltaic panels cannot be adjusted, the solar energy receiving efficiency is low, and the power generation efficiency is poor. Summary of the invention

[0005] In view of the above analysis, an embodiment of the present invention aims to provide a tracking sunshade photovoltaic device to solve the problems in the prior art that photovoltaic panels are fixedly hung on the wall, the direction of the photovoltaic panels cannot be adjusted, the solar energy receiving efficiency is low, and the power generation efficiency is poor.

[0006] The purpose of the present invention is mainly achieved through the following technical solutions:

[0007] A tracking type sunshade photovoltaic device comprises a support part, a photoelectric conversion part, a transmission part and a driving part, wherein the photoelectric conversion part is arranged on the support part, the transmission part is connected to the photoelectric conversion part and the driving part respectively, and the support part is used to be connected to a building;

[0008] The photoelectric conversion unit includes a first photoelectric unit, and the first photoelectric unit includes an actuator component and a photovoltaic component;

[0009] The actuator assembly includes a sleeve and a screw, wherein the sleeve is sleeved on the screw, the screw can rotate in the sleeve, and the sleeve can be rotatably connected to the support portion;

[0010] The transmission part includes a first transmission unit and a second transmission unit, and the first transmission unit includes a first transmission assembly and a second transmission assembly;

[0011] The driving part includes a first driving assembly and a second driving assembly;

[0012] One end of the first transmission assembly can be connected to the sleeve, and the other end of the first transmission assembly can be connected to the first drive assembly. One first drive assembly drives all the sleeves to rotate through the first transmission assembly, and can synchronously adjust the pitch of all the photovoltaic assemblies; one end of the second transmission assembly can be connected to the screw rod, and the other end of the second transmission assembly can be connected to the second drive assembly. One second drive assembly drives all the screw rods to rotate through the second transmission assembly, thereby synchronously adjusting the azimuth of all the photovoltaic assemblies in the left and right directions, so that the photoelectric conversion part remains perpendicular to the sunlight, thereby improving the solar energy receiving efficiency and power generation efficiency of the photoelectric conversion part.

[0013] Furthermore, the photoelectric conversion part also includes a second photoelectric unit, and the second photoelectric unit has the same structure as the first photoelectric unit; the sleeve includes a first cylindrical section, a second cylindrical section and a hanging ear, the first cylindrical section is connected to the second cylindrical section, and the hanging ear is arranged on the second cylindrical section; the second cylindrical section of the first photoelectric unit can be connected to the first cylindrical section of the second photoelectric unit to expand the photoelectric conversion part.

[0014] Furthermore, the screw rod includes a first cylindrical section, a second cylindrical section, a first external thread and a first locking rod groove, the first locking rod groove is arranged on the first cylindrical section, the first cylindrical section and the second cylindrical section are connected, and the first external thread is arranged on the outer wall of the first cylindrical section.

[0015] Furthermore, the photoelectric conversion part also includes an azimuth adjustment component, which includes a first gear, a transverse support rod and a longitudinal support rod. The two ends of the transverse support rod are respectively connected to the first gear and the longitudinal support rod, and the longitudinal support rod can be connected to the photovoltaic component. The first gear is hinged to the hanging ear, and the first gear can be threadedly connected to the first external thread. By rotating the screw rod, the first gear can rotate on the hanging ear, thereby driving the transverse support rod to swing up and down, thereby adjusting the pitch of the photovoltaic component; by rotating the sleeve, the first gear and the transverse support rod can swing left and right, thereby adjusting the azimuth of the photovoltaic component in the left and right directions.

[0016] Furthermore, the photovoltaic assembly includes a photovoltaic panel and a plug-in sleeve, the plug-in sleeve is fixedly connected to the photovoltaic panel, and the plug-in sleeve can be plugged into the longitudinal support rod, so as to fix the photovoltaic panel on the orientation adjustment assembly.

[0017] Furthermore, the orientation adjustment assembly also includes a locking piece and a locking spring, one end of the locking piece is hinged to the longitudinal support rod, and the other end of the locking piece is provided with a locking protrusion, one end of the locking spring is connected to the longitudinal support rod, and the other end of the locking spring is connected to the locking protrusion, the locking protrusion is used to connect to the end of the plug-in sleeve to prevent the plug-in sleeve from detaching from the longitudinal support rod, and the locking spring is used to keep the locking protrusion connected to the end of the plug-in sleeve.

[0018] Furthermore, it also includes a barrel limiting mechanism, a barrel locking mechanism, a screw limiting mechanism and a screw locking mechanism, the barrel limiting mechanism includes a connecting strip and a limiting hole, the barrel locking mechanism includes a connecting groove, a locking spring and a locking block; the screw limiting mechanism includes a mounting hole and a limiting groove, the limiting grooves are multiple and evenly distributed around the mounting hole; the screw locking mechanism includes a locking rod and a locking rod spring.

[0019] Furthermore, the connecting strip is arranged on the outer wall of the first cylindrical segment, the connecting groove is arranged on the inner wall of the second cylindrical segment, and is evenly distributed circumferentially on the inner wall of the second cylindrical segment; the connecting groove of the first photoelectric unit can be connected to the connecting strip of the second photoelectric unit; the limiting hole is arranged on the first cylindrical segment; one end of the locking spring sheet is connected to the second cylindrical segment, and the other end of the locking spring sheet is connected to the locking block, and the locking block of the first photoelectric unit can be connected to the limiting hole of the second photoelectric unit.

[0020] Furthermore, the mounting hole is arranged on the end face of the first cylindrical section, and the mounting hole is a threaded hole. The second cylindrical section of the first photoelectric unit can be threadedly connected to the mounting hole of the second photoelectric unit, so that the screw of the first photoelectric unit can be threadedly connected to the screw of the second photoelectric unit, and then the photoelectric conversion part can be expanded; the locking rod is arranged on the first locking rod groove and can slide on the first locking rod groove, one end of the locking rod spring is connected to the first locking rod groove, and the other end of the locking rod spring is connected to the locking rod, and the locking rod spring is used to make the locking rod slide out of the first locking rod groove; after the screw of the first photoelectric unit can be threadedly connected to the screw of the second photoelectric unit, the locking rod can be connected to the limit groove, so as to prevent the screw of the first photoelectric unit and the screw of the second photoelectric unit from rotating in the opposite direction and disengaging.

[0021] Furthermore, the first transmission unit further includes a transmission base, and the first transmission assembly and the second transmission assembly are both arranged on the transmission base; the driving part further includes a driving base, and the first driving assembly and the second driving assembly are both arranged on the driving base.

[0022] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0023] (1) The driving unit of the present invention can drive the photoelectric conversion unit to change direction through the transmission unit, and the photoelectric conversion unit remains perpendicular to the sunlight. A first driving component drives all sleeves to rotate through a first transmission component, and the pitch of all photovoltaic components can be synchronously adjusted; a second driving component drives all screws to rotate through a second transmission component, thereby synchronously adjusting the azimuth of all photovoltaic components in the left and right directions, so that the photoelectric conversion unit remains perpendicular to the sunlight, thereby improving the solar energy receiving efficiency and power generation efficiency of the photoelectric conversion unit;

[0024] (2) The photoelectric conversion unit of the present invention includes a first photoelectric unit and a second photoelectric unit. By adding or removing the second photoelectric unit, the area of ​​the photoelectric conversion unit can be expanded or reduced, so that the photovoltaic device of the present invention can be applied to buildings with different column spans and inter-layer spacings;

[0025] (3) The sleeve of the present invention can adjust the azimuth of the photovoltaic assembly in the left-right direction; the screw can adjust the elevation of the photovoltaic assembly in the up-down direction, and the first photovoltaic unit and the second photovoltaic unit can be linked and keep the movements synchronized;

[0026] (4) In the present invention, the photoelectric conversion part and the transmission part are connected by a barrel limiting mechanism and a screw limiting mechanism; the first transmission unit and the second transmission unit of the transmission part are connected by a screw limiting mechanism and a screw locking mechanism, and the transmission part and the driving part are connected by a screw locking mechanism and a screw limiting mechanism. The photoelectric conversion part, the transmission part and the driving part are all connected by the same connection mechanism, the processing technology is simplified, and the production efficiency and on-site installation efficiency are improved.

[0027] In the present invention, the above-mentioned technical solutions can be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the following content, and some advantages can become obvious from the description or be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the contents particularly pointed out in the text and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The drawings are only for the purpose of illustrating particular embodiments and are not to be considered limiting of the present invention. Like reference symbols denote like components throughout the drawings.

[0029] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0030] Figure 2 It is a schematic diagram of the overall structure of the support part;

[0031] Figure 3 Schematic diagram of the overall structure of the photoelectric conversion unit;

[0032] Figure 4 It is a schematic diagram of the decomposition structure of the execution component;

[0033] Figure 5 It is a schematic diagram of the exploded structure of the azimuth adjustment component and the photovoltaic component;

[0034] Figure 6 is a schematic diagram of the exploded structure of the rod locking unit;

[0035] Figure 7 It is the overall structural diagram of the transmission part;

[0036] Figure 8 It is the overall structural diagram of the driving part;

[0037] Fig. 9 Schematic diagram of the exploded structure of the transmission unit.

[0038] Reference numerals:

[0039] 1-supporting part; 2-photoelectric conversion part; 3-transmission part; 4-driving part; 5-barrel limiting mechanism; 6-barrel locking mechanism; 7-screw limiting mechanism; 8-screw locking mechanism; 11-crossbeam; 12-supporting seat; 21-actuator assembly; 22-azimuth adjustment assembly; 23-photovoltaic assembly; 31-transmission base; 32-first transmission wheel; 33-first transmission rod; 34-second transmission wheel; 35-second transmission rod; 41-driving base; 42-first driving shaft; 43-first driver; 44-second driving shaft; 45-second driver; 51-connecting strip; 52-limiting hole; 61-locking spring; 62-locking block; 71-mounting hole; 72-limiting groove; 81-locking rod; 82-locking rod spring; 83 - lever; 84- locking piece; 211- sleeve; 212- screw rod; 221- first gear; 222- horizontal support rod; 223- vertical support rod; 224- locking piece; 225- locking spring; 231- photovoltaic panel; 232- plug-in sleeve; 321- second gear; 331- first round rod segment; 332- second round rod segment; 333- second external thread; 334- second locking rod groove; 341- first shaft segment; 342- second shaft segment; 343- third gear; 2111- first cylindrical segment; 2112- second cylindrical segment; 2113- hanging ear; 2114- locking spring groove; 2121- first cylindrical segment; 2122- second cylindrical segment; 2123- first external thread; 2124- first locking rod groove. DETAILED DESCRIPTION

[0040] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0041] Example 1

[0042] A specific embodiment of the present invention, as Figure 1 As shown, a tracking sunshade photovoltaic device (hereinafter referred to as photovoltaic device) is disclosed, including a support part 1, a photoelectric conversion part 2, a transmission part 3 and a driving part 4. The photoelectric conversion part 2 is arranged on the support part 1, and the transmission part 3 is respectively connected to the photoelectric conversion part 2 and the driving part 4. The photoelectric conversion part 2 is used for solar power generation, and the driving part 4 is used to drive the photoelectric conversion part 2 to change direction through the transmission part 3 to keep it perpendicular to the sunlight, thereby improving the solar energy receiving efficiency and power generation efficiency of the photoelectric conversion part 2.

[0043] Preferably, if Figure 2 As shown, the support part 1 includes a crossbeam 11 and a support seat 12. The support seat 12 is arranged on the crossbeam 11, and both ends of the crossbeam 11 can be connected to the columns of the building; the support seat 12 is a support tube, the photoelectric conversion part 2 can be connected to the support seat 12, and can rotate in the support seat 12, and the support seat 12 is used to provide support for the photoelectric conversion part 2 to prevent the photoelectric conversion part 2 from laterally separating from the support part 1.

[0044] Preferably, if Figure 1 As shown, the photoelectric conversion unit 2 is a modular photoelectric conversion unit, which includes a first photoelectric unit and a second photoelectric unit. The first photoelectric unit and the second photoelectric unit have the same structure, and there are multiple first photoelectric units and second photoelectric units. By adding or removing the second photoelectric unit, the area of ​​the photoelectric conversion unit 2 can be expanded or reduced, so that the photovoltaic device of this embodiment can be suitable for buildings with different column spans and layer spacings.

[0045] Preferably, if Figure 3 As shown, the first photovoltaic unit includes an actuator component 21 , an orientation adjustment component 22 and a photovoltaic component 23 , and the photovoltaic component 23 is connected to the actuator component 21 via the orientation adjustment component 22 .

[0046] Preferably, if Figure 4 As shown, the actuator 21 includes a sleeve 211 and a screw 212. The sleeve 211 is sleeved on the screw 212. The screw 212 can rotate in the sleeve 211. The sleeve 211 can be connected to the support seat 12 and can rotate in the support seat 12. The sleeve 211 is used to adjust the azimuth of the photovoltaic assembly 23 in the left-right direction; the screw 212 is used to adjust the pitch of the photovoltaic assembly 23 in the up-down direction.

[0047] Preferably, the sleeve 211 includes a first cylindrical section 2111, a second cylindrical section 2112 and a hanging ear 2113, the first cylindrical section 2111 is connected to the second cylindrical section 2112, and the hanging ear 2113 is arranged on the second cylindrical section 2112. The outer diameter of the first cylindrical section 2111 is not greater than the inner diameter of the second cylindrical section 2112, and the second cylindrical section 2112 of the first photoelectric unit can be connected to the first cylindrical section 2111 of the second photoelectric unit, so that the sleeve 211 of the first photoelectric unit and the sleeve 211 of the second photoelectric unit are connected, and the photoelectric conversion unit 2 is expanded.

[0048] Preferably, if Figure 4 and Figure 5 As shown, the screw rod 212 includes a first cylindrical segment 2121 , a second cylindrical segment 2122 and a first external thread 2123 . The first cylindrical segment 2121 and the second cylindrical segment 2122 are connected, and the first external thread 2123 is arranged on the outer wall of the first cylindrical segment 2121 . The orientation adjustment assembly 22 includes a first gear 221, a horizontal support rod 222 and a vertical support rod 223. The two ends of the horizontal support rod 222 are respectively connected to the first gear 221 and the vertical support rod 223. The vertical support rod 223 can be connected to the photovoltaic assembly 23. The first gear 221 is hinged with the hanging ear 2113. The first gear 221 can be threadedly connected with the first external thread 2123. By rotating the screw rod 212, the first gear 221 can rotate on the hanging ear 2113, thereby driving the horizontal support rod 222 to swing up and down, thereby adjusting the pitch of the photovoltaic assembly 23; by rotating the sleeve 211, the first gear 221 and the horizontal support rod 222 can swing left and right, thereby adjusting the orientation of the photovoltaic assembly 23 in the left and right directions. Preferably, the first gear 221 is a worm gear, which is more conducive to cooperating with the screw rod 212.

[0049] Preferably, the photovoltaic assembly 23 includes a photovoltaic panel 231 and a plug-in sleeve 232 , the plug-in sleeve 232 is fixedly connected to the photovoltaic panel 231 , and the plug-in sleeve 232 can be plugged into the longitudinal support rod 223 , thereby fixing the photovoltaic panel 231 on the orientation adjustment assembly 22 .

[0050] Preferably, if Figure 1 As shown, the transmission unit 3 includes a first transmission unit and a second transmission unit, and the first transmission unit and the second transmission unit have the same structure. Figure 7 and Figure 8As shown, the first transmission unit includes a transmission base 31, a first transmission assembly and a second transmission assembly, and the first transmission assembly and the second transmission assembly are both arranged on the transmission base 31; the driving part 4 includes a driving base 41, a first driving assembly and a second driving assembly, and the first driving assembly and the second driving assembly are both arranged on the driving base 41. One end of the first transmission assembly can be connected to the sleeve 211, and the other end of the first transmission assembly can be connected to the first driving assembly, and the first driving assembly drives the sleeve 211 to rotate through the first transmission assembly; one end of the second transmission assembly can be connected to the screw 212, and the other end of the second transmission assembly can be connected to the second driving assembly, and the second driving assembly drives the screw 212 to rotate through the second transmission assembly.

[0051] Preferably, if Figure 7 and Fig. 9 As shown, the first transmission assembly includes a first transmission wheel 32, the first transmission wheel 32 includes a third cylindrical segment, the sleeve 211 can be connected to the third cylindrical segment, and the sleeve 211 and the first transmission wheel 32 can rotate synchronously.

[0052] Preferably, the first transmission wheel 32 also includes a fourth cylindrical segment, on which a second gear 321 is provided, and the first transmission assembly also includes a first transmission rod 33, which includes a first round rod segment 331, a second round rod segment 332, a second external thread 333 and a second locking rod groove 334, the first round rod segment 331 can be rotatably connected to the driving base 41, the first round rod segment 331 and the second round rod segment 332 are connected, the second external thread 333 is provided on the first round rod segment 331, the second external thread 333 can be connected to the second gear 321, and the first transmission rod 33 can be rotated to drive the second gear 321 to rotate through the second external thread 333, thereby driving the third cylindrical segment and the sleeve 211 to rotate.

[0053] Preferably, the second transmission assembly includes a second transmission wheel 34, and the second transmission wheel 34 includes a first shaft segment 341 and a second shaft segment 342. The first shaft segment 341 and the second shaft segment 342 are connected, and the first shaft segment 341 and the second shaft segment 342 are both cylinders. The second shaft segment 342 can be rotatably connected to the fourth cylindrical segment, and the inner diameter of the fourth cylindrical segment is smaller than the outer diameter of the first shaft segment 341, so as to prevent the second transmission wheel 34 from being separated from the first transmission wheel 32.

[0054] Preferably, the second transmission wheel 34 also includes a third gear 343 , which is disposed on the second shaft segment 342 , and the second transmission assembly also includes a second transmission rod 35 , which has the same structure as the first transmission rod 33 and is used to drive the third gear 343 .

[0055] Preferably, the photovoltaic device of this embodiment further includes a controller (not shown in the figure). Figure 8As shown, the first drive assembly includes a first drive shaft 42 and a first driver 43, the first drive shaft 42 is rotatably connected to the drive base 41, the first driver 43 is connected to the first drive shaft 42, and the first driver 43 is also connected to the controller, and the controller can control the first driver 43 to rotate, thereby driving the first drive shaft 42 to rotate. Preferably, the second drive assembly includes a second drive shaft 44 and a second driver 45, the second drive shaft 44 is rotatably connected to the drive base 41, the second driver 45 is connected to the second drive shaft 44, and the second driver 45 is also connected to the controller, and the controller can control the second driver 45 to rotate, thereby driving the second drive shaft 44 to rotate.

[0056] Compared with the prior art, the driving part 4 can drive the photoelectric conversion part 2 to change direction through the transmission part 3, and a first driving component drives all the sleeves 211 to rotate through the first transmission component, so as to synchronously adjust the pitch of all the photovoltaic components 23; a second driving component drives all the screws 212 to rotate through the second transmission component, so as to synchronously adjust the azimuth of all the photovoltaic components 23 in the left and right directions, so that the photoelectric conversion part 2 remains perpendicular to the sunlight, thereby improving the solar energy receiving efficiency and power generation efficiency of the photoelectric conversion part 2; the photoelectric conversion part 2 includes a first photoelectric unit and a second photoelectric unit. By adding or removing the second photoelectric unit, the area of ​​the photoelectric conversion part 2 can be expanded or reduced, so that the photovoltaic device of the present invention can be suitable for buildings with different column spans and inter-layer spacings; the sleeve 211 can adjust the azimuth of the photovoltaic component 23 in the left and right directions; the screw 212 can adjust the pitch of the photovoltaic component 23 in the up and down directions, and the first photoelectric unit and the second photoelectric unit can be linked and keep the movements synchronized.

[0057] Example 2

[0058] In another specific embodiment of the present invention, the connection mode among the photoelectric conversion unit 2, the transmission unit 3 and the driving unit 4 in the first embodiment is improved.

[0059] Preferably, if Figure 3 and Figure 4 As shown, the photovoltaic device of this embodiment further includes a barrel limiting mechanism 5 and a barrel locking mechanism 6, wherein the barrel limiting mechanism 5 is arranged on the first cylindrical segment 2111, and the barrel locking mechanism 6 is arranged on the second cylindrical segment 2112. The barrel locking mechanism 6 of the first photovoltaic unit can be connected to the barrel limiting mechanism 5 of the second photovoltaic unit, thereby fixing the sleeve 211 of the first photovoltaic unit and the sleeve 211 of the second photovoltaic unit, and preventing the sleeve 211 of the first photovoltaic unit and the sleeve 211 of the second photovoltaic unit from being separated.

[0060] In order to keep the first photoelectric unit and the second photoelectric unit able to rotate synchronously, preferably, the barrel limiting mechanism 5 includes a connecting strip 51, which is arranged on the outer wall of the first cylindrical section 2111; there are multiple connecting strips 51, and the multiple connecting strips 51 are evenly distributed circumferentially on the outer wall of the first cylindrical section 2111. The barrel locking mechanism 6 includes a connecting groove (not shown in the figure), which is arranged on the inner wall of the second cylindrical section 2112, and there are multiple connecting grooves, which are evenly distributed circumferentially on the inner wall of the second cylindrical section 2112. The connecting groove of the first photoelectric unit can be connected to the connecting strip 51 of the second photoelectric unit to prevent the sleeve 211 of the first photoelectric unit from rotating on the sleeve 211 of the second photoelectric unit, so as to ensure that the sleeve 211 of the first photoelectric unit and the sleeve 211 of the second photoelectric unit rotate synchronously.

[0061] In order to prevent the first photoelectric unit from being separated from the second photoelectric unit, the barrel limiting mechanism 5 further includes a limiting hole 52, which is arranged on the first cylindrical section 2111. The barrel locking mechanism 6 further includes a locking spring 61 and a locking block 62, one end of the locking spring 61 is connected to the second cylindrical section 2112, and the other end of the locking spring 61 is connected to the locking block 62. The locking block 62 of the first photoelectric unit can be connected to the limiting hole 52 of the second photoelectric unit, so as to fix the sleeve 211 of the first photoelectric unit and the sleeve 211 of the second photoelectric unit, and prevent the sleeve 211 of the first photoelectric unit and the sleeve 211 of the second photoelectric unit from being separated in the axial direction. The locking spring 61 is used to keep the locking block 62 of the first photoelectric unit connected to the limiting hole 52 of the second photoelectric unit.

[0062] Preferably, the sleeve 211 also includes a locking spring groove 2114, which is arranged on the outer wall of the second cylindrical section 2112, and the locking spring 61 is connected to the locking spring groove 2114. The locking spring groove 2114 is used to accommodate the locking spring 61 to prevent the locking spring 61 from protruding from the outer wall of the second cylindrical section 2112. When installing the photovoltaic device of this embodiment, it is convenient to insert the sleeve 211 into the support seat 12. During the installation and construction process of the photovoltaic device of this embodiment, it can be manually installed without special tools.

[0063] Preferably, if Figure 3 and Figure 4 As shown, the photovoltaic device of this embodiment further includes a screw limiting mechanism 7, which is arranged at one end of the first cylindrical segment 2121. The screw limiting mechanism 7 includes a mounting hole 71, which is arranged on the end surface of the first cylindrical segment 2121. The mounting hole 71 is a threaded hole, and the second cylindrical segment 2122 of the first photoelectric unit can be threadedly connected with the mounting hole 71 of the second photoelectric unit, so that the screw 212 of the first photoelectric unit can be threadedly connected with the screw 212 of the second photoelectric unit, so that the photoelectric conversion unit 2 can be expanded.

[0064] Preferably, if Figure 4 and Figure 6 As shown, the screw rod limiting mechanism 7 also includes a limiting groove 72, which is multiple and evenly distributed around the mounting hole 71. The screw rod 212 also includes a first locking rod groove 2124, which is arranged on the first cylindrical section 2121. The photovoltaic device of this embodiment also includes a screw rod locking mechanism 8, which is arranged at the other end of the first cylindrical section 2121. The screw rod locking mechanism 8 includes a locking rod 81 and a locking rod spring 82, the locking rod 81 is arranged on the first locking rod groove 2124, and can slide on the first locking rod groove 2124, the first locking rod groove 2124 is provided with a side opening, and the locking rod 81 can slide into and out of the first locking rod groove 2124 through the side opening; one end of the locking rod spring 82 is connected to the first locking rod groove 2124, and the other end of the locking rod spring 82 is connected to the locking rod 81, and the locking rod spring 82 is used to keep the locking rod 81 in a state of sliding out of the first locking rod groove 2124. After the screw 212 of the first photoelectric unit can be threadedly connected with the screw 212 of the second photoelectric unit, the locking rod 81 can be connected with the limiting groove 72, thereby preventing the screw 212 of the first photoelectric unit and the screw 212 of the second photoelectric unit from rotating in the opposite direction and disengaging, thereby ensuring the fixed connection between the screw 212 of the first photoelectric unit and the screw 212 of the second photoelectric unit, and ensuring that the overall structure of the photoelectric conversion unit 2 remains stable.

[0065] Preferably, the screw locking mechanism 8 further comprises a lever 83 and a locking member 84. The lever 83 is arranged on the locking rod 81. By moving the lever 83, the locking rod 81 can slide into and out of the first locking rod groove 2124. The locking member 84 can be connected to the first locking rod groove 2124. The locking member 84 is used to block the lever 83 to prevent the locking rod 81 from being separated from the first locking rod groove 2124.

[0066] Preferably, if Figure 7 and Fig. 9 As shown, in order to keep the first transmission assembly connected to the sleeve 211 and prevent them from being separated, a cylinder limiting mechanism 5 is provided on the third cylinder segment, and the connecting groove of the sleeve 211 can be connected to the connecting strip 51 of the first transmission wheel 32, so as to prevent the sleeve 211 of the second photoelectric unit from rotating on the first transmission wheel 32, and ensure that the sleeve 211 and the first transmission wheel 32 rotate synchronously. The locking block 62 of the second photoelectric unit can be connected to the limiting hole 52 of the first transmission wheel 32, so as to fix the sleeve 211 and the first transmission wheel 32, and prevent the sleeve 211 and the first transmission wheel 32 from being separated in the axial direction, and the locking spring 61 is used to keep the locking block 62 of the second photoelectric unit connected to the limiting hole 52 of the first transmission wheel 32.

[0067] Preferably, a screw limiting mechanism 7 is also provided on the first round rod segment 331, and a screw locking mechanism 8 is provided on the second round rod segment 332. The screw locking mechanism 8 is arranged on the second locking rod groove 334, so that the first transmission rod 33 of the first transmission unit and the first transmission rod 33 of the second transmission unit can be connected, thereby expanding the transmission part 3.

[0068] Preferably, in order to fix the first shaft segment 341 and the screw 212, a screw limiting mechanism 7 is provided on the end face of the first shaft segment 341, and the screw locking mechanism 8 of the screw 212 can be connected to the screw limiting mechanism 7 of the first shaft segment 341 to prevent the screw 212 of the second photoelectric unit from rotating on the second transmission wheel 34, thereby ensuring that the screw 212 and the second transmission wheel 34 rotate synchronously.

[0069] Preferably, a screw limiting mechanism 7 is provided at one end of the second transmission rod 35 , and a screw locking mechanism 8 is provided at the other end, so that the second transmission rod 35 of the first transmission unit and the second transmission rod 35 of the second transmission unit can be connected, thereby expanding the transmission part 3 .

[0070] Preferably, in order to fix the first shaft segment 341 and the screw 212, a screw limiting mechanism 7 is provided on the end face of the first shaft segment 341, and the screw locking mechanism 8 of the screw 212 can be connected to the screw limiting mechanism 7 of the first shaft segment 341 to prevent the screw 212 of the second photoelectric unit from rotating on the second transmission wheel 34, thereby ensuring that the screw 212 and the second transmission wheel 34 rotate synchronously.

[0071] Preferably, a screw limiting mechanism 7 is provided at one end of the second transmission rod 35 , and a screw locking mechanism 8 is provided at the other end, so that the second transmission rod 35 of the first transmission unit and the second transmission rod 35 of the second transmission unit can be connected, thereby expanding the transmission part 3 .

[0072] Preferably, if Figure 8 As shown, a screw limiting mechanism 7 is provided at one end of the first driving shaft 42, and the first driving shaft 42 can be fixedly connected to the first transmission rod 33 and the screw locking mechanism 8 on the first transmission rod 33 through the screw limiting mechanism 7; the second driving assembly includes a second driving shaft 44 and a second driver 45, the second driving shaft 44 is rotatably connected to the driving base 41, the second driver 45 is connected to the second driving shaft 44, and the second driver 45 is also connected to the controller, and the controller can control the second driver 45 to rotate, thereby driving the second driving shaft 44 to rotate.

[0073] Preferably, a screw stop mechanism 7 is provided at one end of the second drive shaft 44, and the second drive shaft 44 can be fixedly connected with the second transmission rod 35 and the screw locking mechanism 8 on the second transmission rod 35 through the screw stop mechanism 7. The transmission part 3 and the driving part 4 are connected by the screw locking mechanism 8 and the screw stop mechanism 7, and the processing technology of the driving part 4 and the transmission part 3 is the same, which improves the production efficiency.

[0074] The photoelectric conversion part 2 and the transmission part 3 are connected by a barrel limiting mechanism 5 and a screw limiting mechanism 7; the first transmission unit and the second transmission unit of the transmission part 3 are connected by a screw limiting mechanism 7 and a screw locking mechanism 8, and the transmission part 3 and the driving part 4 are connected by a screw locking mechanism 8 and a screw limiting mechanism 7. The photoelectric conversion part 2, the transmission part 3 and the driving part 4 are all connected by the same connection mechanism, the processing technology is simplified, and the production efficiency and on-site installation efficiency are improved.

[0075] Example 3

[0076] Another specific embodiment of the present invention, as Figure 5 As shown, the adjustment assembly 22 in Embodiment 1 or 2 is improved to prevent the photovoltaic assembly 23 from being separated from the orientation adjustment assembly 22 .

[0077] Preferably, the orientation adjustment assembly 22 also includes a locking piece 224 and a locking spring 225, one end of the locking piece 224 is hinged to the longitudinal support rod 223, the other end of the locking piece 224 is provided with a locking protrusion, one end of the locking spring 225 is connected to the longitudinal support rod 223, the other end of the locking spring 225 is connected to the locking protrusion, the locking protrusion is used to connect to the end of the plug-in sleeve 232 to prevent the plug-in sleeve 232 from detaching from the longitudinal support rod 223, and the locking spring 225 is used to keep the locking protrusion connected to the end of the plug-in sleeve 232. The end face of the locking protrusion is a locking inclined surface. When the plug-in sleeve 232 is connected to the longitudinal support rod 223, the inner wall of the plug-in sleeve 232 can be connected to the locking inclined surface, thereby pressing the locking piece 224 in the direction of the longitudinal support rod 223. The plug-in sleeve 232 can be sleeved on the longitudinal support rod 223 without specifically pressing the locking piece 224; after the longitudinal support rod 223 is fully inserted into the plug-in sleeve 232, the locking protrusion is pushed out by the locking spring 225 and automatically connected to the end of the plug-in sleeve 232 to prevent the plug-in sleeve 232 from being detached from the longitudinal support rod 223. During the installation and construction process of the photovoltaic device in this embodiment, it can be manually installed without the need for special tools.

[0078] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A tracking type solar shading photovoltaic device, characterized in that: The invention comprises a supporting part (1), a photoelectric conversion part (2), a transmission part (3) and a driving part (4), wherein the photoelectric conversion part (2) is arranged on the supporting part (1), the transmission part (3) is connected to the photoelectric conversion part (2) and the driving part (4) respectively, and the supporting part (1) is used to be connected to a building; The photoelectric conversion unit (2) comprises a first photoelectric unit, wherein the first photoelectric unit comprises an actuator component (21) and a photovoltaic component (23); The actuator assembly (21) comprises a sleeve (211) and a screw rod (212); the sleeve (211) is sleeved on the screw rod (212); the screw rod (212) is rotatable in the sleeve (211); and the sleeve (211) is rotatably connected to the support portion (1); The transmission part (3) comprises a first transmission unit, wherein the first transmission unit comprises a first transmission assembly and a second transmission assembly; The driving part (4) comprises a first driving component and a second driving component; One end of the first transmission component can be connected to the sleeve (211), and the other end of the first transmission component can be connected to the first drive component. One of the first drive components drives all of the sleeves (211) to rotate through the first transmission component, and can synchronously adjust the pitch of all of the photovoltaic components (23); one end of the second transmission component can be connected to the screw rod (212), and the other end of the second transmission component can be connected to the second drive component. One of the second drive components drives all of the screw rods (212) to rotate through the second transmission component, thereby synchronously adjusting the azimuth of all of the photovoltaic components (23) in the left and right directions, so that the photoelectric conversion unit (2) remains perpendicular to the sunlight, thereby improving the solar energy receiving efficiency and power generation efficiency of the photoelectric conversion unit (2).

2. The tracking type solar shading device according to claim 1, characterized in that: The photoelectric conversion part (2) also includes a second photoelectric unit, and the second photoelectric unit has the same structure as the first photoelectric unit; the sleeve (211) includes a first cylindrical section (2111), a second cylindrical section (2112) and a hanging ear (2113), the first cylindrical section (2111) is connected to the second cylindrical section (2112), and the hanging ear (2113) is arranged on the second cylindrical section (2112); the second cylindrical section (2112) of the first photoelectric unit can be connected to the first cylindrical section (2111) of the second photoelectric unit to expand the photoelectric conversion part (2).

3. The tracking type solar shading device according to claim 2, characterized in that: The screw rod (212) includes a first cylindrical section (2121), a second cylindrical section (2122), a first external thread (2123) and a first locking rod groove (2124); the first locking rod groove (2124) is arranged on the first cylindrical section (2121); the first cylindrical section (2121) and the second cylindrical section (2122) are connected; and the first external thread (2123) is arranged on the outer wall of the first cylindrical section (2121).

4. The tracking type solar shading device according to claim 3, characterized in that: The photoelectric conversion unit (2) further comprises an orientation adjustment component (22), the orientation adjustment component (22) comprising a first gear (221), a transverse support rod (222) and a longitudinal support rod (223), the two ends of the transverse support rod (222) are respectively connected to the first gear (221) and the longitudinal support rod (223), the longitudinal support rod (223) can be connected to the photovoltaic component (23), the first gear (221) is hinged to the hanging ear (2113), and the first gear (221) is hinged to the hanging ear (2113). 1) can be threadedly connected with the first external thread (2123), and by rotating the screw rod (212), the first gear (221) can rotate on the hanging ear (2113), thereby driving the cross support rod (222) to swing up and down, thereby adjusting the pitch of the photovoltaic component (23); by rotating the sleeve (211), the first gear (221) and the cross support rod (222) can swing left and right, thereby adjusting the orientation of the photovoltaic component (23) in the left and right directions.

5. The tracking type solar shading device according to claim 4, characterized in that: The photovoltaic assembly (23) comprises a photovoltaic panel (231) and a plug-in sleeve (232), wherein the plug-in sleeve (232) is fixedly connected to the photovoltaic panel (231), and the plug-in sleeve (232) can be plugged into the longitudinal support rod (223), thereby fixing the photovoltaic panel (231) on the orientation adjustment assembly (22).

6. The tracking type solar shading device according to claim 5, characterized in that: The orientation adjustment assembly (22) also includes a locking piece (224) and a locking spring (225), one end of the locking piece (224) is hinged to the longitudinal support rod (223), and the other end of the locking piece (224) is provided with a locking protrusion, one end of the locking spring (225) is connected to the longitudinal support rod (223), and the other end of the locking spring (225) is connected to the locking protrusion, and the locking protrusion is used to connect to the end of the plug-in sleeve (232) to prevent the plug-in sleeve (232) from being separated from the longitudinal support rod (223), and the locking spring (225) is used to keep the locking protrusion connected to the end of the plug-in sleeve (232).

7. The tracking type solar shading device according to claim 6, characterized in that: The invention also comprises a barrel limiting mechanism (5), a barrel locking mechanism (6), a screw limiting mechanism (7) and a screw locking mechanism (8); the barrel limiting mechanism (5) comprises a connecting strip (51) and a limiting hole (52); the barrel locking mechanism (6) comprises a connecting groove, a locking spring (61) and a locking block (62); the screw limiting mechanism (7) comprises a mounting hole (71) and a limiting groove (72); the limiting grooves (72) are multiple and evenly distributed around the mounting hole (71); the screw locking mechanism (8) comprises a locking rod (81) and a locking rod spring (82).

8. The tracking type solar shading device according to claim 7, characterized in that: The connecting strip (51) is arranged on the outer wall of the first cylindrical section (2111), and the connecting groove is arranged on the inner wall of the second cylindrical section (2112), and is evenly distributed circumferentially on the inner wall of the second cylindrical section (2112); the connecting groove of the first photoelectric unit can be connected to the connecting strip (51) of the second photoelectric unit; the limiting hole (52) is arranged on the first cylindrical section (2111); one end of the locking spring sheet (61) is connected to the second cylindrical section (2112), and the other end of the locking spring sheet (61) is connected to the locking block (62); the locking block (62) of the first photoelectric unit can be connected to the limiting hole (52) of the second photoelectric unit.

9. The tracking type solar shading device according to claim 8, characterized in that: The mounting hole (71) is arranged on the end face of the first cylindrical section (2121); the mounting hole (71) is a threaded hole; the second cylindrical section (2122) of the first photoelectric unit can be threadedly connected to the mounting hole (71) of the second photoelectric unit, so that the screw rod (212) of the first photoelectric unit can be threadedly connected to the screw rod (212) of the second photoelectric unit, thereby expanding the photoelectric conversion unit (2); the locking rod (81) is arranged on the first locking rod groove (2124) and can slide on the first locking rod groove (2124); the locking rod is elastic One end of the spring (82) is connected to the first locking rod groove (2124), and the other end of the locking rod spring (82) is connected to the locking rod (81), and the locking rod spring (82) is used to make the locking rod (81) slide out of the first locking rod groove (2124); after the screw rod (212) of the first photoelectric unit can be threadedly connected with the screw rod (212) of the second photoelectric unit, the locking rod (81) can be connected to the limiting groove (72), thereby preventing the screw rod (212) of the first photoelectric unit and the screw rod (212) of the second photoelectric unit from rotating in the opposite direction and disengaging.

10. The tracking type solar shading device according to claim 1, characterized in that: The first transmission unit further comprises a transmission base (31), and the first transmission assembly and the second transmission assembly are both arranged on the transmission base (31); the driving part (4) further comprises a driving base (41), and the first driving assembly and the second driving assembly are both arranged on the driving base (41).

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