A distributed photovoltaic power station and construction method

Abstract

The present invention provides a distributed photovoltaic power station and a construction method, comprising a driving device and a plurality of photovoltaic modules; the plurality of photovoltaic modules are arranged and distributed in a plurality of groups, and a photovoltaic module group comprises a plurality of photovoltaic modules arranged at even intervals; the photovoltaic module comprises an adjustable rotatable photovoltaic panel; the rotating parts of the plurality of photovoltaic modules in the same group are transmission-connected; the driving device comprises a track, and a driving component mounted on the track, the track extends along the arrangement direction of the photovoltaic module group, and the two ends extend beyond the outside of the photovoltaic module group at the end position; the driving component slides along the track to drive and adjust the placement angles of the plurality of photovoltaic panels in the same group; the structure is simple, the cost is low, and the cost of later use and maintenance can be reduced; and the same drive can be shared to adjust the angles of the plurality of photovoltaic panels, thereby improving efficiency and reducing the probability of equipment failure.

Description

Technical Field

[0001] The present invention relates to the field of photovoltaic power generation, and more specifically, to a distributed photovoltaic power station and a construction method thereof. Background Art

[0002] Photovoltaic power generation is a common energy conversion device on the market, which is widely used in various scenarios. Among them, for the application scenario of laying photovoltaic panels over a large area, photovoltaic panels are mostly distributed and arranged in groups for management. For the current actual application, in order to effectively increase the power generation and application display, more and more photovoltaic devices are combined with tracking technology, mainly by adjusting the angle of photovoltaic panels to better receive sunlight and improve the conversion efficiency.

[0003] However, it also has obvious defects. Most of the current photovoltaic devices are independently equipped with corresponding angle adjustment structures, which means that the overall structure is more complicated and the cost is higher. Especially for large-scale application scenarios, the use cost and maintenance cost will be greatly increased. The failure rate of a single machine will also increase due to the scale of quantity, affecting subsequent use. Therefore, this needs to be improved. Summary of the invention

[0004] In order to overcome the defects of the prior art, the technical problem to be solved by the present invention is to propose a distributed photovoltaic power station and a construction method, which has a simple structure and low cost, and can reduce the cost of later use and maintenance; and can share the same drive to adjust the angles of multiple groups of photovoltaic panels, thereby improving efficiency and reducing the probability of equipment failure.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] The present invention provides a distributed photovoltaic power station, comprising a driving device and a plurality of photovoltaic modules; the plurality of photovoltaic modules are arranged and distributed in a plurality of groups, and a photovoltaic module group comprises a plurality of photovoltaic modules arranged at even intervals; the photovoltaic module comprises an adjustable rotatable photovoltaic panel; the rotating parts of the plurality of photovoltaic modules in the same group are transmission-connected; the driving device comprises a track, and a driving component mounted on the track, the track extends along the arrangement direction of the photovoltaic module group, and the two ends extend beyond the outside of the photovoltaic module group at the end position; the driving component slides along the track, and is used for driving and adjusting the placement angles of the plurality of photovoltaic panels in the same group.

[0007] In a preferred technical solution of the present invention, the photovoltaic module includes a photovoltaic panel, a support frame, a bracket, a swing frame, and a transmission assembly; the bracket is installed on the bottom surface of the photovoltaic panel, and the photovoltaic panel is installed on the top of the support frame by rotating the bracket; the swing frame is installed on the bottom surface of the photovoltaic panel, the swing frame has an arc-shaped structure, and the bottom of the swing frame is fixed with teeth arranged along the arc direction; the transmission assembly is connected to the swing frame by transmission, and the transmission assemblies of multiple photovoltaic modules in the same group are connected by chain transmission; the transmission assembly of the photovoltaic module located at the first position is connected to the driving assembly moved into place by transmission.

[0008] In a preferred technical solution of the present invention, the transmission assembly includes a rotating shaft, a first gear and a sprocket installed on the rotating shaft; the rotating shaft is rotatably mounted on the two vertical plates of the support frame, and the first gear is meshed with the teeth of the swing frame for transmission; the sprockets of multiple photovoltaic modules in the same group are connected by chain transmission; a second gear is fixedly mounted on the middle of the rotating shaft, a frame is fixedly mounted between the two vertical plates of the support frame, a worm is rotatably mounted on the frame through a bearing, and the worm is meshed with the second gear for transmission; one end of the worm protrudes outward close to the driving device, and the worm of the photovoltaic module in the first position is used for transmission cooperation with the driving assembly moved into place, and multiple photovoltaic modules are adjusted through the driving assembly.

[0009] In a preferred technical solution of the present invention, the driving assembly includes a slide, and a first motor, a second motor, and a locking mechanism installed on the slide; the slide is slidably clamped on a track, a rack is fixedly provided on the track, the first motor is installed on the slide, and a third gear is fixedly provided on the output shaft of the first motor, and the third gear is meshed with the rack for transmission; the output shaft of the second motor is transmission-connected to the input end of the locking mechanism, and the output end of the locking mechanism is transmission-connected to the end of the worm after adjustment and alignment, and the second motor is used to drive the photovoltaic module for rotation adjustment.

[0010] In a preferred technical solution of the present invention, the locking mechanism includes a push rod motor, a guide cylinder, a universal sleeve, and a push frame; one end of the guide cylinder is sleeved on the output shaft of the second motor and is fixedly connected by a pin; the universal sleeve is slidably inserted in the other end of the guide cylinder, and the outer wall of the guide cylinder is provided with strip holes extending along the length direction on opposite sides, and the outer wall of the universal sleeve is correspondingly installed with guide pins, and the guide pins slide along the strip holes; the push frame includes a push block, and two clamping plates are fixedly provided on the top surface of the push block, and a clamping groove is formed between the clamping plates; the clamping plate is provided with a guide hole adapted to the shape of the outer wall of the guide cylinder, and the width of the clamping groove is adapted to the diameter of the guide pin; the guide cylinder is penetrated through the guide hole, and the guide pin is arranged in the clamping groove; the push block is provided with a socket, and the output shaft of the push rod motor is inserted in the socket and fixedly connected by a pin, and the push rod motor is fixedly installed on the slide seat; a prismatic clamping block is fixedly provided with the center of the end face of the worm gear close to the driving device.

[0011] The present invention also provides a method for constructing a distributed photovoltaic power station, comprising the following steps:

[0012] S1, construct the corresponding concrete foundation according to the preset scale plan;

[0013] S2, installing the track and photovoltaic modules on the corresponding concrete foundation;

[0014] S3, adjusting each photovoltaic module so that the photovoltaic panels are placed at a uniform angle;

[0015] S4, connecting the sprockets of the same group of photovoltaic modules by a chain;

[0016] S5, loosening the second gears of the photovoltaic modules except the first one, moving them to a position where they are out of meshing with the worm, and fixing them;

[0017] S6, install the assembled drive components on the track and perform corresponding debugging to complete the construction.

[0018] The beneficial effects of the present invention are:

[0019] The present invention provides a distributed photovoltaic power station and a construction method, comprising a driving device and a plurality of photovoltaic modules; the plurality of photovoltaic modules are arranged and distributed in a plurality of groups, and a photovoltaic module group comprises a plurality of photovoltaic modules arranged at even intervals; the photovoltaic module comprises an adjustable and rotatable photovoltaic panel; the photovoltaic module has a simple structure and low cost, and can reduce the subsequent use and maintenance costs;

[0020] The rotating parts of multiple photovoltaic modules in the same group are connected by transmission; the driving device includes a track and a driving component installed on the track, the track extends along the arrangement direction of the photovoltaic module group, and both ends extend beyond the outside of the photovoltaic module group at the end position; the driving component slides along the track to drive and adjust the placement angles of multiple photovoltaic panels in the same group; sharing the same driving component to drive multiple photovoltaic module groups improves the adjustment efficiency, reduces the use of electric drive devices, further reduces costs, and reduces the probability of equipment failure, which is convenient for later use and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic diagram of a three-dimensional structure of a distributed photovoltaic power station provided in a specific embodiment of the present invention;

[0022] Figure 2 is a schematic diagram of a three-dimensional structure of a photovoltaic module provided in a specific embodiment of the present invention from a first viewing angle;

[0023] Figure 3 is a schematic diagram of a three-dimensional structure of a photovoltaic module provided in a specific embodiment of the present invention from a second viewing angle;

[0024] Figure 4is a schematic diagram of the three-dimensional structure of a driving assembly provided in a specific embodiment of the present invention;

[0025] Figure 5 It is a schematic diagram of the three-dimensional unfolded structure of the driving assembly provided in a specific embodiment of the present invention.

[0026] In the figure:

[0027] 100, driving device; 110, track; 111, rack; 120, driving assembly; 121, first motor; 122, second motor; 123, slide seat; 124, third gear; 130, locking mechanism; 131, push rod motor; 132, guide cylinder; 133, universal sleeve; 134, push frame; 1341, push block; 1342, clamping plate; 1343, clamping groove; 1344, guide hole;

[0028] 135, strip hole; 136, guide pin;

[0029] 200, photovoltaic module; 210, photovoltaic panel; 220, support frame; 230, bracket; 240, swing frame; 250, transmission assembly; 251, rotating shaft; 252, first gear; 253, sprocket; 254, second gear; 260, worm; 261, block; 300, chain. DETAILED DESCRIPTION

[0030] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0031] like Figure 1 As shown, a specific embodiment of the present invention discloses a distributed photovoltaic power station, including a driving device 100 and a plurality of photovoltaic modules 200; the plurality of photovoltaic modules are arranged in a plurality of groups, and a photovoltaic module group includes a plurality of photovoltaic modules arranged at uniform intervals; the photovoltaic module 200 includes an adjustable rotatable photovoltaic panel 210; the rotating parts of the plurality of photovoltaic modules in the same group are transmission-connected; the driving device 100 includes a track 110, and a driving component 120 installed on the track 110, the track extends along the arrangement direction of the photovoltaic module group, and the two ends extend beyond the outside of the photovoltaic module group at the end position; the driving component slides along the track to drive and adjust the placement angles of the plurality of photovoltaic panels in the same group.

[0032] The above-mentioned distributed photovoltaic power station has a simple photovoltaic module structure, resulting in low cost, which can reduce subsequent use and maintenance costs; it shares the same drive component to drive multiple photovoltaic module groups, improves regulation efficiency, and can also reduce the use of electric drive devices, further reducing costs and reducing the probability of equipment failure, which is convenient for subsequent use and maintenance.

[0033] Furthermore, if Figure 2 , Figure 3As shown, the photovoltaic module 200 includes a photovoltaic panel 210, a support frame 220, a bracket 230, a swing frame 240, and a transmission assembly 250; the bracket 230 is installed on the bottom surface of the photovoltaic panel 210, and the photovoltaic panel 210 is rotatably installed on the top of the support frame 220 through the bracket 230; the swing frame 240 is installed on the bottom surface of the photovoltaic panel 210, and the swing frame has an arc-shaped structure, and the bottom of the swing frame is fixed with teeth arranged along the arc direction; the transmission assembly 250 is connected to the swing frame 240 for transmission, and the transmission assemblies 250 of multiple photovoltaic modules in the same group are connected through The chain 300 is connected for transmission; the transmission assembly of the photovoltaic module located at the first position in the arrangement is connected for transmission with the driving assembly moved into position; through the transmission coordination among the chain, the transmission assembly and the swing frame, the transmission connection coordination among multiple photovoltaic modules in the same group is realized, so that when the transmission assembly cooperates with the driving assembly, a one-to-many linkage coordination effect can be realized, and the driving assembly adjusts and drives multiple photovoltaic modules; and the driving assembly can slide along the track, so that one driving device can be used to adjust multiple photovoltaic module groups, further expanding the adaptation range.

[0034] Furthermore, if Figure 2 As shown, the transmission assembly 250 includes a rotating shaft 251, a first gear 252 and a sprocket 253 mounted on the rotating shaft 251; the rotating shaft 251 is rotatably mounted on the two vertical plates of the support frame 220, and the first gear 252 is meshed with the teeth of the swing frame 240 for transmission; the sprockets 253 of multiple photovoltaic modules in the same group are connected through the chain 300 for transmission; a second gear 254 is fixedly mounted on the middle part of the rotating shaft 251, a frame is fixedly mounted between the two vertical plates of the support frame 220, a worm 260 is rotatably mounted on the frame through a bearing, and the worm 260 is meshed with the second gear 254 for transmission; one end of the worm close to the driving device protrudes outward, and the worm of the photovoltaic module in the first position is used to move with the driving assembly into place The transmission is coordinated and the multiple photovoltaic modules are adjusted through the driving assembly; the transmission between the multiple photovoltaic modules is realized through the sprocket and the chain; the worm gear provided on the first photovoltaic module can, on the one hand, cooperate with the driving device, realize the rotation adjustment action required by the worm gear through the driving assembly, and drive the photovoltaic panel to rotate and swing to the required angle; on the other hand, it can achieve the effect of self-locking, so that the chain cannot rotate, and the corresponding transmission assemblies of the remaining photovoltaic modules cannot rotate, so that the photovoltaic panel maintains the adjusted angle position; the worm gear provided on the remaining photovoltaic modules is mainly used to complete the basic angle alignment through self-locking during the initial construction, which is convenient for the construction of the transmission matching components between multiple photovoltaic modules;

[0035] Among them, the design of the frame can, on the one hand, strengthen the overall structural strength of the support frame, and on the other hand, provide a mounting position for the worm so that it can effectively mesh with the second gear. It should be pointed out that the frame has corresponding notches corresponding to the first gear, the swing frame, the sprocket, and the chain to ensure that the above components can be installed smoothly and avoid interference and collision problems between structures.

[0036] Furthermore, if Figure 4 , Figure 5 As shown, the driving assembly 120 includes a slide 123, and a first motor 121, a second motor 122, and a locking mechanism 130 installed on the slide 123; the slide 123 is slidably locked on the track 110, a rack 111 is fixedly provided on the track 110, the first motor 121 is installed on the slide 123, and the output shaft of the first motor 121 is fixedly provided with a third gear 124, and the third gear 124 is meshed with the rack 111 for transmission; the output shaft of the second motor 122 is transmission-connected with the input end of the locking mechanism 130, and the output end of the locking mechanism 130 is transmission-connected with the end of the worm 260 after adjustment and alignment, and the second motor is used to drive the photovoltaic module to rotate and adjust; the overall structural design enables the driving device to be adapted to multiple photovoltaic module groups, and the number of driving components can be reduced by changing the position of the driving components to cooperate with multiple photovoltaic modules;

[0037] Furthermore, a card slot is provided at the bottom of the slide, and the card slot is a T-slot or dovetail slot structure. A guide bar is fixed on the track, and the guide bar is adapted to the shape of the card slot. The slide is slidably carded on the guide bar; the rack is provided on the side of the guide bar away from the photovoltaic module, and is fixed on the bottom plate of the track, away from the photovoltaic module, which can facilitate the installation of the second motor, and also provide a space for the card locking mechanism to be installed and cooperate with the worm, which is convenient for actual disassembly and use;

[0038] Furthermore, the locking mechanism 130 includes a push rod motor 131, a guide cylinder 132, a universal sleeve 133, and a push frame 134; one end of the guide cylinder 132 is sleeved on the output shaft of the second motor 131 and is fixedly connected by a pin; the universal sleeve 133 is slidably inserted into the other end of the guide cylinder 132, and the outer wall of the guide cylinder 132 is provided with strip holes 135 extending along the length direction on opposite sides, and the outer wall of the universal sleeve 133 is correspondingly installed with a guide pin 136, and the guide pin 136 slides along the strip hole 135; the push frame 134 includes a push block 1341, and two clamping plates 1342 are fixedly provided on the top surface of the push block 1341, and a clamping groove 1343 is formed between the clamping plates 1342; a guide hole 1344 adapted to the shape of the outer wall of the guide cylinder 132 is provided on the clamping plate 1342, and the width of the clamping groove 1343 is adapted to the diameter of the guide column pin 136; the guide cylinder is inserted into the guide hole, and the guide column pin is arranged in the clamping groove; a plug hole is provided on the push block 1341, and the push rod motor 1 The output shaft of 31 is inserted into the socket and fixedly connected by a pin, and the push rod motor 131 is fixedly mounted on the slide 123; the worm 260 is fixedly provided with a prismatic block 261 near the center of the end face of the driving device 100; the above-mentioned structural design can push the universal sleeve to move through the locking mechanism, forming a telescopic effect relative to the guide cylinder, and when the driving component moves to the position corresponding to the worm, the push rod motor starts, driving the universal sleeve to extend outward, so that the universal sleeve is sleeved on the outside of the block to form a transmission match; then the second motor is started, and the worm is driven to rotate by the second motor, and then the shaft and other transmission components of the photovoltaic module are driven to rotate, so that multiple photovoltaic panels are adjusted to the desired placement angle; wherein, the design of the clamping groove can, on the one hand, provide a rotation space for the guide pin, and on the other hand, the clamping plates on both sides can be used as a pushing component to drive the guide pin to move back and forth, which can drive the universal sleeve to move and does not affect the rotation of the guide cylinder.

[0039] Furthermore, the inner wall of the end of the guide cylinder away from the second motor is a prismatic hole structure, and the outer wall of the universal socket is a prismatic structure. Through this cooperation, the connection between the universal socket and the guide cylinder can be further strengthened, especially in the rotation direction. The force can be better dispersed, the force on the guide column pin can be reduced, and the guide column pin can be prevented from deforming and affecting normal sliding. It should be noted that the universal socket is a common socket wrench structure, which can be purchased and used on the market, and the details will not be elaborated.

[0040] The present invention also discloses a method for constructing a distributed photovoltaic power station, comprising the following steps:

[0041] S1, construct the corresponding concrete foundation according to the preset scale plan;

[0042] S2, installing the track and photovoltaic modules on the corresponding concrete foundation;

[0043] S3, adjust each photovoltaic module so that the photovoltaic panels are placed at a uniform angle; adjust the worm so that the photovoltaic panels are swung to the required angle, and use the self-locking effect of the worm so that the photovoltaic panels are maintained at the corresponding position, which is convenient for the subsequent construction of other workpieces;

[0044] S4, connecting the sprockets of the same group of photovoltaic modules by a chain;

[0045] S5, loosen the second gears of the photovoltaic modules except the first one, move them to a position that is out of mesh with the worm, and fix them; two ends of the hole of the second gear are fixed with butt joints, and the butt joints are fixedly connected to the rotating shaft by pins; when the meshing state needs to be released, the second gear can be moved to one side to make the butt joint deviate to one side, and then the butt joint is connected to the rotating shaft by pins;

[0046] S6, install the assembled drive components on the track and perform corresponding debugging to complete the construction.

[0047] Of course, during this period, it is also necessary to make corresponding circuit connections for electrical components such as the power supply lines of the photovoltaic panels, the busbars of the driving device, sensors for detecting swing or movement into position, and gather them at the electronic control equipment for unified viewing and regulation, which is convenient for practical application operations. It should be noted that the above-mentioned circuits and related wiring are relatively common and are well known to technical personnel in this field, so they will not be elaborated on in detail.

[0048] The present invention is described by preferred embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited to the specific embodiments disclosed herein, and other embodiments falling within the claims of this application are within the scope of protection of the present invention.

Claims

1. A distributed photovoltaic power station, characterized in that: It includes a driving device and a plurality of photovoltaic modules; the plurality of photovoltaic modules are arranged and distributed in a plurality of groups, and a photovoltaic module group includes a plurality of photovoltaic modules arranged at even intervals; The photovoltaic module includes an adjustable rotatable photovoltaic panel; the rotating parts of the plurality of photovoltaic modules in the same group are transmission-connected; The driving device includes a track and a driving component installed on the track. The track extends along the arrangement direction of the photovoltaic module group, and both ends extend beyond the outside of the photovoltaic module group at the end position. The driving component slides along the track to drive and adjust the placement angles of multiple photovoltaic panels in the same group.

2. A distributed photovoltaic power station according to claim 1, characterized in that: The photovoltaic module includes a photovoltaic panel, a support frame, a bracket, a swing frame, and a transmission assembly; The bracket is installed on the bottom surface of the photovoltaic panel, and the photovoltaic panel is installed on the top of the support frame through the bracket rotation; the swing frame is installed on the bottom surface of the photovoltaic panel, the swing frame is an arc-shaped structure, and the bottom of the swing frame is fixed with teeth arranged along the arc direction; The transmission assembly is connected to the swing frame through transmission, and the transmission assemblies of multiple photovoltaic modules in the same group are connected through chain transmission; The transmission component of the photovoltaic module located at the first position in the arrangement is in transmission connection with the driving component moved into position.

3. A distributed photovoltaic power station according to claim 2, characterized in that: The transmission assembly includes a rotating shaft, a first gear and a sprocket mounted on the rotating shaft; the rotating shaft is rotatably mounted on two vertical plates of the support frame, and the first gear is meshed with the teeth of the swing frame for transmission; the sprockets of multiple photovoltaic modules in the same group are connected by chain transmission; A second gear is fixedly installed in the middle of the rotating shaft, and a frame is fixedly mounted between the two vertical plates of the supporting frame; a worm is rotatably mounted on the frame through a bearing, and the worm is meshed with the second gear for transmission; One end of the worm gear close to the driving device protrudes outwards, and the worm gear of the photovoltaic module in the first position is used for transmission cooperation with the driving component moved into place, and multiple photovoltaic modules are adjusted through the driving component.

4. A distributed photovoltaic power station according to claim 3, characterized in that: The driving assembly includes a slide seat, and a first motor, a second motor, and a locking mechanism installed on the slide seat; The slide seat is slidably mounted on the track, a rack is fixedly mounted on the track, the first motor is mounted on the slide seat, a third gear is fixedly mounted on the output shaft of the first motor, and the third gear is meshed with the rack for transmission; The output shaft of the second motor is transmission-connected to the input end of the locking mechanism, and the output end of the locking mechanism is transmission-connected to the aligned worm end after adjustment, and the second motor is used to drive the photovoltaic module to rotate and adjust.

5. A distributed photovoltaic power station according to claim 4, characterized in that: The locking mechanism includes a push rod motor, a guide cylinder, a universal sleeve, and a push frame; One end of the guide cylinder is sleeved on the output shaft of the second motor and is fixedly connected by a pin; the universal sleeve is slidably inserted into the other end of the guide cylinder, and the outer wall of the guide cylinder is provided with strip holes extending along the length direction on opposite sides, and the outer wall of the universal sleeve is correspondingly installed with a guide pin, and the guide pin slides along the strip hole; The push frame includes a push block, and two clamping plates are fixedly arranged on the top surface of the push block, and a clamping groove is formed between the clamping plates; a guide hole matching the shape of the outer wall of the guide cylinder is arranged on the clamping plate, and the width of the clamping groove matches the diameter of the guide column pin; the guide cylinder is inserted in the guide hole, and the guide column pin is arranged in the clamping groove; a plug hole is arranged on the push block, and the output shaft of the push rod motor is inserted in the plug hole and fixedly connected by the column pin, and the push rod motor is fixedly installed on the slide seat; A ridge-shaped clamping block is fixedly provided at the center of the end surface of the worm gear close to the driving device.

6. A method for constructing a distributed photovoltaic power station, characterized in that: The following steps are involved: S1, construct the corresponding concrete foundation according to the preset scale plan; S2, installing the track and photovoltaic modules on the corresponding concrete foundation; S3, adjusting each photovoltaic module so that the photovoltaic panels are placed at a uniform angle; S4, connecting the sprockets of the same group of photovoltaic modules by a chain; S5, loosening the second gears of the photovoltaic modules except the first one, moving them to a position where they are out of meshing with the worm, and fixing them; S6, install the assembled drive components on the track and perform corresponding debugging to complete the construction.

Images