Photovoltaic module capable of being unfolded and folded outwards

Abstract

The invention discloses a photovoltaic module capable of being unfolded and folded outwards, and belongs to the technical field of photovoltaic equipment. The photovoltaic module comprises a shell, and a fixed mounting structure is arranged at the bottom of the shell; a lifting main board is arranged in the shell, and the lifting main board extends out of or retracts back from the shell under the driving of the lifting driving assembly; a display board is hinged to the lifting main board, the display board rotates around the hinged axis by pushing up the driving assembly, and the display board is provided with a fixed photovoltaic panel. The display board is provided with a first sliding groove, and the interior of the first sliding groove is connected with a sliding photovoltaic panel through a motor base. A storage box is arranged on the display board, a telescopic dustproof sleeve is arranged in the storage box, one end of the telescopic dustproof sleeve is connected with the storage box, and the other end of the telescopic dustproof sleeve is connected with the sliding photovoltaic panel; according to the photovoltaic module, a support does not need to be erected on site to install the photovoltaic panel, the photovoltaic module can be directly installed and used in a modular production site of a factory, and the photovoltaic module has the functions of being capable of extending outwards and being cleaned and has higher practical value.

Description

Technical Field

[0001] The invention belongs to the technical field of photovoltaic equipment and relates to a photovoltaic component that can be extended and retracted. Background Art

[0002] Photovoltaic power station is a power generation system that uses solar energy and special materials such as crystalline silicon panels, inverters and other electronic components. It is a green power development energy project. Photovoltaic power stations can be divided into independent power generation systems with batteries and grid-connected power generation systems without batteries. It is mainly composed of solar panels, inverters, cables, cable racks, etc., among which solar panels are the core components. The photovoltaic effect is used to convert solar energy into direct current, and the inverter converts direct current into alternating current, and the electric energy is transmitted to the power consumption site through cables.

[0003] The construction process of existing photovoltaic power stations generally involves basic construction first, including the construction of the machine room and the erection of photovoltaic panel brackets, and then the installation of equipment and assembly of photovoltaic panels. These tasks are completed on-site at the installation site, which leads to problems such as difficult quality control and project schedules being restricted by the climate. Moreover, after the photovoltaic power station is completed, if the power station needs to be moved, the cost is huge and the transportation is difficult.

[0004] To this end, the present application designs a photovoltaic module that can be extended and retracted to solve the above problems. Summary of the invention

[0005] The present invention overcomes the shortcomings of the prior art and proposes a photovoltaic module that can be extended and retracted. The present invention is achieved through the following technical solutions: A photovoltaic component that can be extended and retracted outward comprises a shell, and a fixed mounting structure is arranged at the bottom of the shell; a lifting mainboard is arranged inside the shell, and the lifting mainboard is connected with a lifting drive assembly, and under the drive of the lifting drive assembly, the lifting mainboard is extended or retracted from the shell; an exhibition board is hinged on the lifting mainboard, and a pushing drive assembly is connected between the lifting mainboard and the exhibition board, and the exhibition board is rotated around the hinge axis by the pushing drive assembly, and a fixed photovoltaic panel is fixedly arranged on a side of the exhibition board that is not adjacent to the lifting mainboard; first slide grooves are opened on both sides of the surface of the exhibition board, the first slide groove is located at the outside of the fixed photovoltaic panel, and a first linear motor connecting seat is slidably connected in the first slide groove, and the first linear motor is installed on the first linear motor connecting seat; a sliding photovoltaic panel is connected between the two first linear motor connecting seats; a storage box is arranged on the exhibition board, and the storage box is located above the first slide groove, and a telescopic dust cover is arranged in the storage box, one end of the telescopic dust cover is connected to the storage box, and the other end of the telescopic dust cover is connected to the sliding photovoltaic panel.

[0006] Furthermore, the lifting drive assembly includes a threaded connecting rod and a rotating motor; a threaded hole is opened on the bottom surface of the lifting main board, a threaded connecting rod is threadedly connected in the threaded hole, the threaded connecting rod is connected to the rotating motor, and the rotating motor is fixedly arranged on the bottom surface inside the shell.

[0007] Furthermore, a guide column is provided on one side of the rotating motor, the guide column is fixedly arranged in the shell, a guide hole for inserting the guide column is opened at the lower end of the lifting main board, and the lifting main board is slidably connected to the guide column.

[0008] Furthermore, the pushing-up drive assembly includes a supporting hinged plate, a second linear motor hinge seat and a second linear motor; the lifting main board is provided with a second slide groove, in which a second linear motor hinge seat is slidably connected, and the second linear motor is installed on the second linear motor hinge seat, and the second linear motor hinge seat is hinged to one end of the supporting hinged plate, and a connecting hinge seat is provided on the lower bottom surface of the exhibition board, and the other end of the supporting hinged plate is hinged to the connecting hinge seat.

[0009] Furthermore, two display panels are symmetrically arranged on both sides of the lifting main board, fixed hinge seats are symmetrically arranged on both sides of the top of the lifting main board, and hinge convex rods are protruded at both ends of the tops of the two display panels, and the hinge convex rods are hinged to the fixed hinge seats.

[0010] Furthermore, it also includes a cleaning component; the cleaning component includes a water collecting box and a water absorption spray block; the water collecting box is located in the shell, and a water absorption spray block is provided on the top of the lifting main board, and the water absorption spray block is provided with a plurality of water spray holes; a water receiving hose is provided on one side of the lower end of the lifting main board, and the water collecting box and the water absorption spray block are connected through the water receiving hose.

[0011] Furthermore, a rainproof rubber plate for abutting the top surface of the shell is horizontally provided at the lower end of the water absorption spray block, and a supporting rubber block for supporting the rainproof rubber plate is provided on the top surface of the lifting main board; the hinge between the lifting main board and the display board is located on the inner side below the supporting rubber block.

[0012] Furthermore, the cleaning component also includes a dust box, which is detachably connected to the shell by plugging, and a locking mechanism is provided at a corresponding position in the shell to fix the dust box by the locking mechanism; the top of the dust box is open and is arranged along the horizontal length of the lifting mainboard, and an inclined brush plate is fixedly connected to the inner side of the opening of the dust box, and the inclined brush plate extends into the interior of the shell and abuts against the surface of the sliding photovoltaic panel; a brush head is provided at the end of the inclined brush plate, and a drainage hole is provided at the lower end of the side wall of the dust box.

[0013] Furthermore, a cleaning scraper is connected to the top of the sliding photovoltaic panel, and the bottom of the cleaning scraper is in contact with the fixed photovoltaic panel.

[0014] Furthermore, a water pressure linkage box is provided on one side of the interior of the water collecting box, a linkage liquid squeezing assembly is provided on the upper end of the water pressure linkage box, a cleaning liquid storage box is connected to the upper part of the linkage liquid squeezing assembly, a plurality of spoilers are vertically provided inside the water collecting box, a bubble mesh plate is vertically provided between the water pressure linkage box and the spoiler, and a one-way suction tube is provided on the top of the cleaning liquid storage box; the linkage liquid squeezing assembly is composed of a liquid outlet block connected to the cleaning liquid storage box, a connecting pressure plate abutting the inner side wall of the liquid outlet block, and a water pressure connecting plate abutting the inner side wall of the water pressure linkage box, the water pressure connecting plate is slidably connected in the water pressure linkage box, and the connecting pressure plate is slidably connected in the liquid outlet block; a movable sliding block is connected between the water pressure connecting plate and the connecting pressure plate, and a return spring is provided on the movable sliding block, one end of the return spring is connected to the water pressure linkage box, and the other end of the return spring is connected to the liquid outlet block; a first liquid outlet pipe is provided at the side end of the liquid outlet block, and a second liquid outlet pipe is provided at the side end of the water pressure linkage box.

[0015] The beneficial effects of the present invention compared with the prior art are as follows: This device does not require on-site bracket installation and photovoltaic panel installation. It can be directly transported to the installation site after modular production is completed in the factory. Once the shell is installed and fixed, the photovoltaic panel can be deployed and used without being restricted by the site. It is also more convenient and quicker to disassemble or transfer.

[0016] In the present invention, the stacked photovoltaic panels can be unfolded through the sliding cooperation between the first linear motor connecting seat and the sliding photovoltaic panel, thereby increasing the overall unfolding area of ​​the photovoltaic panels and improving the light absorption effect. Then, the second linear motor articulated seat cooperates with the sliding support of the exhibition board to adjust the light angle of the photovoltaic panels, thereby increasing the intensity of light on the photovoltaic panels and improving the light absorption rate. The water-absorbing spray block cooperates with the spraying and waterproofing of the abutting rainproof rubber plate to clean the dust on the photovoltaic panels and block the flow of water to prevent the water from directly flowing into the shell. Then, the dust collecting box cooperates with the cleaning scraper to clean the sliding photovoltaic panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 It is a partial cross-sectional three-dimensional structural schematic diagram of the present invention; Figure 3 It is a three-dimensional structural diagram of the connection relationship between the lifting main board and the display board of the present invention; Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the sliding photovoltaic panel of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the display board of the present invention in an unfolded state; Figure 6 It is a three-dimensional structural schematic diagram of the position relationship of the abutting rainproof rubber plate of the present invention; Figure 7It is a schematic diagram of the three-dimensional structure of the lifting mainboard of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the display board of the present invention; Fig. 9 It is a three-dimensional structural schematic diagram of the connection relationship between the sliding photovoltaic panel and the telescopic dust cover of the present invention; Fig.10 It is a schematic diagram of the internal structure of the water collecting box of the present invention from a first viewing angle; Fig.11 It is a schematic diagram of the internal structure of the water collecting box of the present invention from a second viewing angle; Fig.12 It is a schematic diagram of the three-dimensional structure of the linked liquid squeezing assembly of the present invention.

[0018] Serial number in the picture: 1. Shell; 2. Connecting and mounting block; 3. Lifting main board; 4. Dust collecting box; 5. Locking slider; 6. Abutment spring; 7. Tilting brush plate; 8. Drain hole; 9. Display board; 10. Sliding photovoltaic panel; 11. Storage box; 12. Cleaning scraper; 13. First linear motor connecting seat; 14. First slide slot; 15. Rotating motor; 16. Water collecting box; 17. Connecting hinge seat; 18. Supporting hinge connecting plate; 19. Second linear motor hinge seat; 20. Second slide slot; 21. Guide column; 22. Water absorption spray block; 23. Water spray hole; 24. Abutment Rainproof rubber sheet; 25. Support rubber block; 26. Check valve; 27. Fixed hinge seat; 28. Water connection hose; 29. ​​Threaded hole; 30. Guide hole; 31. Articulated convex rod; 32. Telescopic dust cover; 33. Fixed photovoltaic panel; 34. Threaded connecting rod; 35. Spoiler; 36. Water pressure linkage box; 37. Cleaning liquid storage box; 38. One-way suction pipe; 39. Bubble mesh plate; 40. Liquid outlet block; 41. Water pressure connecting plate; 42. First liquid outlet pipe; 43. Second liquid outlet pipe; 44. Connecting pressure plate; 45. Reset spring; 46. Movable sliding block. DETAILED DESCRIPTION

[0019] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention is further described in detail in conjunction with the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. The technical solutions of the present invention are described in detail below in conjunction with the embodiments and the accompanying drawings, but the scope of protection is not limited thereto.

[0020] See also Figures 1 to 12The present embodiment proposes a photovoltaic assembly that can be extended and retracted, including a shell 1. Four connecting and mounting blocks 2 are symmetrically fixed to the bottom circumference of the shell 1. The shell 1 can be stably installed and fixed by the connecting and mounting blocks 2, so that the shell 1 can be used as a bracket to support the photovoltaic assembly after installation; a lifting mainboard 3 is provided inside the shell 1, and the lifting mainboard 3 mainly plays the role of carrying the photovoltaic panel; the lifting mainboard 3 is connected to a lifting drive component, and driven by the lifting drive component, the lifting mainboard 3 can be moved up and down, so that the lifting mainboard 3 can be extended from the shell 1 or retracted into the shell 1.

[0021] The lifting drive assembly includes a threaded connecting rod 34 and a rotating motor 15; a threaded hole 29 is provided in the middle of the bottom surface of the lifting main board 3, a threaded connecting rod 34 is threadedly connected in the threaded hole 29, and a rotating motor 15 is provided at the lower end of the threaded connecting rod 34, and the rotating motor 15 is fixedly arranged on the bottom surface of the inner part of the shell 1; the end of the threaded connecting rod 34 is fixedly connected to the motor shaft of the rotating motor 15 by a coupling, a guide column 21 is provided on one side of the rotating motor 15, and the guide column 21 is fixedly arranged in the shell 1, and a guide hole 30 for inserting the guide column 21 is provided at the lower end of the lifting main board 3, and the lifting main board 3 is slidably connected to the guide column 21; by setting the guide column 21 and the guide hole 30, the lifting and lowering of the lifting main board 3 can be made more stable; by setting the threaded hole 29 at the bottom of the lifting main board 3 and the threaded connecting rod 34, when the rotating motor 15 rotates and drives the threaded connecting rod 34, the lifting main board 3 can be driven to lift, thereby completing the lifting, exhibition and storage operation of the lifting main board 3.

[0022] Two display panels 9 are symmetrically provided on both sides of the lifting main board 3, and fixed hinge seats 27 are symmetrically provided on both sides of the top of the lifting main board 3. Both ends of the tops of the two display panels 9 are protruded with hinged protrusions 31, and the hinged protrusions 31 are hinged to the fixed hinge seats 27. Fixed photovoltaic panels 33 are fixed on the sides of the two display panels 9 that are not adjacent to the lifting main board 3. A pushing drive component is connected between the lifting main board 3 and the display panels 9. The pushing drive component can make the display panels 9 rotate to various angles around the axis of the hinged protrusion 31, which is beneficial to the fixed photovoltaic panels 33 to utilize light energy.

[0023] The pushing-up driving assembly includes a supporting hinged plate 18, a second linear motor hinge seat 19 and a second linear motor; vertical second slide grooves 20 are symmetrically opened in the middle of both sides of the lifting main board 3, and the second linear motor hinge seat 19 is slidably connected in the second slide groove 20. The second linear motor is installed on the second linear motor hinge seat 19, and the second linear motor hinge seat 19 is hinged to one end of the supporting hinged plate 18. The lower bottom surface of the exhibition board 9 is provided with a connecting hinge seat 17, and the other end of the supporting hinged plate 18 is hinged to the connecting hinge seat 17; the second linear motor in the second linear motor hinge seat 19 drives the second linear motor hinge seat 19 to slide in the second slide groove 20, thereby lifting the supporting hinged plate 18 so that the exhibition board 9 is lifted, thereby completing the operation of expanding and contracting the exhibition board 9.

[0024] First slide grooves 14 are symmetrically provided on both sides of the non-adjacent side of the exhibition board 9 and the lifting main board 3, and the first slide grooves 14 are located on both sides of the fixed photovoltaic panel 33; a first linear motor connecting seat 13 is slidably connected in the first slide groove 14, and the first linear motor is installed on the first linear motor connecting seat 13; a sliding photovoltaic panel 10 is connected to the side ends of the two first linear motor connecting seats 13, and the sliding photovoltaic panel 10 is superimposed on one side of the fixed photovoltaic panel 33; the sliding photovoltaic panel 10 is driven by the first linear motor in the first linear motor connecting seat 13 to slide and unfold, thereby exposing the fixed photovoltaic panel 33, increasing the unfolding area of ​​the photovoltaic component, and making the light absorption rate of the photovoltaic component higher.

[0025] The display board 9 is symmetrically fixed with two storage boxes 11, and the two storage boxes 11 are respectively located above the first slide groove 14. A telescopic dust cover 32 is provided in the storage box 11. One end of the telescopic dust cover 32 is connected to the storage box 11, and the other end of the telescopic dust cover 32 is connected to the sliding photovoltaic panel 10; when the sliding photovoltaic panel 10 is pushed to unfold, the telescopic dust cover 32 is also pulled open, which can protect the first slide groove 14, thereby preventing foreign matter and dust from entering the first slide groove 14.

[0026] This device does not require on-site bracket installation and photovoltaic panel installation. It can be directly transported to the installation site after modular production is completed in the factory. As long as the shell 1 is installed and fixed, the photovoltaic panel can be deployed and used without being restricted by the site. It is also more convenient and quicker to disassemble or transfer.

[0027] In order to better exert the performance of the photovoltaic module, a cleaning component is also provided for automatically cleaning the sliding photovoltaic panel 10 and the fixed photovoltaic panel 33. The cleaning component includes a dust collecting box 4, a water collecting box 16, a cleaning scraper 12 and a water absorption spraying block 22; the water collecting box 16 is located at the bottom of the housing 1, and a second water pipe for water inlet is provided at the side end of the water collecting box 16, and a check valve 26 is provided on the second water pipe, and the end of the second water pipe and the check valve 26 are both located outside the housing 1; a water absorption spraying block 22 is provided at the top of the lifting main board 3 along its horizontal length direction, and a plurality of water spraying holes 22 are equidistantly provided on both sides of the water absorption spraying block 22 3; A water receiving hose 28 is provided on one side of the lower end of the lifting main board 3, and the water receiving hose 28 is connected to the water collecting box 16 through a first water conduit, and the upper end of the water receiving hose 28 is connected to the water absorbing and spraying block 22; when the lifting main board 3 is raised and the display board 9 is pushed open, the water in the lower end water collecting box 16 can be sent to the water absorbing and spraying block 22 on the top of the lifting main board 3, and the photovoltaic panel can be sprayed and cleaned to prevent dust on the photovoltaic panel from covering the photovoltaic panel and reduce the photovoltaic panel's absorption of light. The cleaning scraper 12 is connected to the top of the sliding photovoltaic panel 10, and the bottom of the cleaning scraper 12 is in contact with the fixed photovoltaic panel 33, so that the fixed photovoltaic panel 33 can be cleaned by the cleaning scraper 12 when the sliding photovoltaic panel 10 is unfolded or retracted.

[0028] In order to prevent cleaning water or rainwater from entering the housing 1, a rainproof rubber plate 24 for abutting against the upper top surface of the housing 1 is horizontally provided at the lower end of the water absorption and spraying block 22, and supporting rubber blocks 25 for supporting the rainproof rubber plate 24 are symmetrically provided on both sides of the top surface of the lifting main board 3; the hinge between the lifting main board 3 and the display board 9 is located below the inner side of the supporting rubber block 25. By setting the rainproof rubber plate 24, the gap between the housing 1 and the lifting main board 3 can be isolated when the lifting main board 3 returns to storage, preventing water from entering the device, and by setting the supporting rubber block 25, the display board 9 can be abutted when the display board 9 is unfolded to a certain angle, preventing water from flowing into the device from the gap.

[0029] Similarly, the function of the dust box 4 is also to prevent water, dust, etc. from entering the shell body 1; dust boxes 4 are symmetrically arranged on both sides of the lifting main board 3, the top of the dust box 4 is open and is also arranged along the horizontal length of the lifting main board 3, and an inclined brush plate 7 is fixedly connected to the open inner side of the dust box 4 along the length direction, and the inclined brush plate 7 extends into the interior of the shell body 1 and abuts against the sliding photovoltaic panel 10; a brush head is provided at the end of the inclined brush plate 7, and a drainage hole 8 is provided at the lower end of the side wall of the dust box 4; through the arrangement of the inclined brush plate 7 on the dust box 4, the surface of the sliding photovoltaic panel 10 can be brushed when the lifting main board 3 is retracted and stored, and dust is allowed to enter the dust box 4 along the inclined brush plate 7, and a small amount of water is allowed to be discharged from the dust box 4 The gap between the inclined brush plate 7 flows into the dust box 4, causing the dust in the dust box 4 to condense and eventually the water flows out from the drain hole 8; the dust box 4 and the shell 1 are plug-in and detachably connected, and locking mechanisms are symmetrically provided at corresponding positions in the shell 1, and the dust box 4 is fixed by the locking mechanism; specifically, the locking mechanism is composed of a locking slider 5 and an abutment spring 6, the lower side of the locking slider 5 is an inverted L-shaped convex block structure, the abutment spring 6 is located at the upper end of the locking slider 5, one end of the abutment spring 6 is connected to the locking slider 5, and the other end of the abutment spring 6 is connected to the shell 1; through the setting of the locking slider 5 and the abutment spring 6, the dust box 4 inserted and installed on the side end of the shell 1 can be better fixed.

[0030] In order to further improve the cleaning effect of the photovoltaic panel, a hydraulic linkage box 36 is provided on one side of the interior of the water collecting box 16, and a linkage liquid squeezing assembly is provided on the upper end of the hydraulic linkage box 36. The upper part of the linkage liquid squeezing assembly is connected to a cleaning liquid storage box 37. A plurality of spoilers 35 are vertically provided inside the water collecting box 16, and a foaming mesh plate 39 is vertically provided between the hydraulic linkage box 36 and the spoiler 35. A one-way suction pipe 38 is provided on the top of the cleaning liquid storage box 37; the linkage liquid squeezing assembly consists of a liquid outlet block 40 connected to the cleaning liquid storage box 37, a connecting pressure plate 44 abutted against the inner side wall of the liquid outlet block 40, and a hydraulic connecting plate 41 abutted against the inner side wall of the hydraulic linkage box 36, the hydraulic connecting plate 41 is slidably connected in the hydraulic linkage box 36, and the connecting pressure plate 44 is slidably connected in the liquid outlet block 40; there is a movable sliding connection between the hydraulic connecting plate 41 and the connecting pressure plate 44 Block 46, a return spring 45 is provided on the movable sliding block 46, one end of the return spring 45 is connected to the top of the water pressure linkage box 36, and the other end of the return spring 45 is connected to the outer bottom of the liquid outlet block 40; a first liquid outlet pipe 42 is provided at the side end of the liquid outlet block 40, and a second liquid outlet pipe 43 is provided at the side end of the water pressure linkage box 36; through the arrangement of the internal components of the water collecting box 16, the water pressure connecting plate 41 can be squeezed by the input of water, thereby driving the movable sliding block 46 to push the connecting pressure plate 44, so that the connecting pressure plate 44 squeezes the cleaning liquid in the liquid outlet block 40 to the liquid outlet block 40, enters the water collecting box 16 and is fully mixed under the action of the bubbling mesh plate 39 and the spoiler 35, so as to add cleaning liquid to the water mixture for flushing the photovoltaic panel, thereby improving the photovoltaic panel cleaning ability of the device, reducing the amount of water used, and removing dirt such as bird droppings that are difficult to clean.

[0031] The working principle of a photovoltaic assembly that can be extended and retracted proposed in this embodiment is as follows: First, place the entire device at the specified position and install the fixing bolts on the connecting mounting block 2 to fix the shell 1, so that the shell 1 can be used as a photovoltaic panel bracket; then, connect the power to each motor of the device, then connect the water inlet pump to the second water pipe, then lift the locking slider 5, and insert the dust box 4 into both sides of the shell 1, then lower the locking slider 5, and the abutment spring 6 on the upper part of the locking slider 5 presses the locking slider 5 down to clamp and fix the dust box 4. Through the setting of the locking slider 5 and the abutment spring 6, the dust box 4 can be better fixed to prevent the dust box 4 from falling off.

[0032] Next, the rotating motor 15 is started, and the rotating motor 15 rotates to drive the threaded connecting rod 34, so that the lifting main board 3 moves upward and extends out of the shell 1, and then the second linear motor in the second linear motor articulated seat 19 is started to drive the second linear motor articulated seat 19 to slide in the second slide groove 20, thereby lifting and supporting the hinged connecting plate 18 so that the exhibition board 9 is lifted, thereby completing the operation of unfolding the exhibition board 9.

[0033] Then, the first linear motor in the first linear motor connector 13 is started to drive the sliding photovoltaic panel 10 to slide and unfold, thereby exposing the fixed photovoltaic panel 33, increasing the unfolding area of ​​the photovoltaic assembly, and making the light absorption rate of the photovoltaic assembly higher.

[0034] When the photovoltaic panel needs to be cleaned, the water inlet pump is turned on to send the water at the lower end to the top of the lifting main board 3 and spray the photovoltaic panel for cleaning. By setting the abutment against the rainproof rubber plate 24, the gap between the shell 1 and the lifting main board 3 can be isolated when the lifting main board 3 is retracted to prevent water from entering the device; in the process of water input, the water pressure connecting plate 41 will be squeezed, and then the connecting pressure plate 44 will be pushed through the movable sliding block 46, so that the connecting pressure plate 44 squeezes out the cleaning liquid in the liquid outlet block 40, and is fully mixed through the action of the bubbling mesh plate 39 and the spoiler 35, so as to add cleaning liquid to the water mixture for flushing the photovoltaic panel, thereby improving the cleaning ability of the photovoltaic panel.

[0035] When the lifting mainboard 3 is retracted into the shell 1 , the sliding photovoltaic panel 10 is brushed by the inclined brush plate 7 on the dust box 4 , and dust and water enter the dust box 4 along the inclined brush plate 7 and are finally discharged through the drain hole 8 .

[0036] The above content is a further detailed description of the present invention in combination with a specific preferred embodiment. It cannot be determined that the specific embodiments of the present invention are limited to this. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the present invention, which should be regarded as belonging to the present invention and the scope of patent protection determined by the submitted claims.

Claims

1. A photovoltaic module that can be extended and retracted, characterized in that: The invention comprises a shell (1), wherein a fixed installation structure is arranged at the bottom of the shell (1); a lifting mainboard (3) is arranged inside the shell (1), and the lifting mainboard (3) is connected to a lifting drive assembly, and under the drive of the lifting drive assembly, the lifting mainboard (3) is extended or retracted from the shell (1); an exhibition board (9) is hingedly connected to the lifting mainboard (3), and a push-up drive assembly is connected between the lifting mainboard (3) and the exhibition board (9), and the exhibition board (9) is rotated around the hinge axis by the push-up drive assembly, and a fixed photovoltaic panel (33) is fixedly arranged on a side of the exhibition board (9) that is not adjacent to the lifting mainboard (3); first slide grooves (14) are arranged on both sides of the surface of the exhibition board (9) The first slide groove (14) is located outside the fixed photovoltaic panel (33), a first linear motor connection seat (13) is slidably connected in the first slide groove (14), and the first linear motor is installed on the first linear motor connection seat (13); a sliding photovoltaic panel (10) is connected between the two first linear motor connection seats (13); a storage box (11) is provided on the display board (9), the storage box (11) is located above the first slide groove (14), a telescopic dust cover (32) is provided in the storage box (11), one end of the telescopic dust cover (32) is connected to the storage box (11), and the other end of the telescopic dust cover (32) is connected to the sliding photovoltaic panel (10).

2. The photovoltaic module that can be extended and retracted according to claim 1, characterized in that: The lifting drive assembly comprises a threaded connecting rod (34) and a rotating motor (15); a threaded hole (29) is provided on the bottom surface of the lifting main board (3), a threaded connecting rod (34) is threadedly connected in the threaded hole (29), the threaded connecting rod (34) is connected to the rotating motor (15), and the rotating motor (15) is fixedly arranged on the bottom surface of the housing (1).

3. The photovoltaic module that can be extended and retracted according to claim 2, characterized in that: A guide column (21) is provided on one side of the rotating motor (15). The guide column (21) is fixedly arranged in the housing (1). A guide hole (30) for inserting the guide column (21) is provided at the lower end of the lifting main board (3). The lifting main board (3) is slidably connected to the guide column (21).

4. The photovoltaic module that can be extended and retracted according to claim 1, characterized in that: The push-up drive assembly comprises a supporting hinged connecting plate (18), a second linear motor hinge seat (19) and a second linear motor; the lifting main board (3) is provided with a second slide groove (20), the second linear motor hinge seat (19) is slidably connected in the second slide groove (20), the second linear motor is mounted on the second linear motor hinge seat (19), the second linear motor hinge seat (19) is hinged to one end of the supporting hinged connecting plate (18), the lower bottom surface of the display board (9) is provided with a connecting hinge seat (17), and the other end of the supporting hinged connecting plate (18) is hinged to the connecting hinge seat (17).

5. The photovoltaic module that can be extended and retracted according to claim 1, characterized in that: Two display panels (9) are symmetrically arranged on both sides of the lifting main board (3), fixed hinge seats (27) are symmetrically arranged on both sides of the top of the lifting main board (3), and hinge convex rods (31) are convexly arranged at both ends of the top of the two display panels (9), and the hinge convex rods (31) are hinged to the fixed hinge seats (27).

6. The photovoltaic module that can be extended and retracted according to claim 1, characterized in that: The cleaning device also comprises a cleaning assembly; the cleaning assembly comprises a water collecting box (16) and a water absorbing and spraying block (22); the water collecting box (16) is located in the housing (1); a water absorbing and spraying block (22) is provided on the top of the lifting main board (3); the water absorbing and spraying block (22) is provided with a plurality of water spraying holes (23); a water receiving hose (28) is provided on one side of the lower end of the lifting main board (3); the water collecting box (16) and the water absorbing and spraying block (22) are connected via the water receiving hose (28).

7. The photovoltaic assembly that can be extended and retracted according to claim 6, characterized in that: A rainproof rubber plate (24) for abutting against the top surface of the shell (1) is horizontally provided at the lower end of the water absorbing and spraying block (22), and a supporting rubber block (25) for supporting the rainproof rubber plate (24) is provided on the top surface of the lifting main board (3); the hinge between the lifting main board (3) and the display board (9) is located on the inner side below the supporting rubber block (25).

8. The photovoltaic module that can be extended and retracted according to claim 6, characterized in that: The cleaning assembly further comprises a dust box (4), the dust box (4) and the housing (1) being pluggably connected and detachable, a locking mechanism being provided at a corresponding position in the housing (1), and the dust box (4) being fixed by the locking mechanism; the dust box (4) having an open top and being arranged along the horizontal length of the lifting main board (3), an inclined brush plate (7) being fixedly connected to the inner side of the open opening of the dust box (4), the inclined brush plate (7) extending into the interior of the housing (1) and abutting against the surface of the sliding photovoltaic panel (10); a brush head being provided at the end of the inclined brush plate (7), and a drainage hole (8) being provided at the lower end of the side wall of the dust box (4).

9. The photovoltaic assembly that can be extended and retracted according to claim 8, characterized in that: The top of the sliding photovoltaic panel (10) is connected to a cleaning scraper (12), and the bottom of the cleaning scraper (12) abuts against the fixed photovoltaic panel (33).

10. The photovoltaic assembly that can be extended and retracted according to claim 6, characterized in that: A hydraulic linkage box (36) is provided on one side of the interior of the water collecting box (16); a linkage liquid squeezing assembly is provided at the upper end of the hydraulic linkage box (36); a cleaning liquid storage box (37) is provided at the upper part of the linkage liquid squeezing assembly; a plurality of spoilers (35) are vertically provided inside the water collecting box (16); a foaming mesh plate (39) is vertically provided between the hydraulic linkage box (36) and the spoiler (35); a one-way suction pipe (38) is provided at the top of the cleaning liquid storage box (37); the linkage liquid squeezing assembly comprises a liquid outlet block (40) connected to the cleaning liquid storage box (37); a connecting pressure plate (44) abutting against the inner side wall of the liquid outlet block (40); and a connecting pressure plate (44) connected to the hydraulic linkage box ( The hydraulic connecting plate (41) is slidably connected to the hydraulic linkage box (36), and the connecting pressure plate (44) is slidably connected to the liquid outlet block (40); a movable sliding block (46) is connected between the hydraulic connecting plate (41) and the connecting pressure plate (44), and a return spring (45) is provided on the movable sliding block (46), one end of the return spring (45) is connected to the hydraulic linkage box (36), and the other end of the return spring (45) is connected to the liquid outlet block (40); a first liquid outlet pipe (42) is provided at the side end of the liquid outlet block (40), and a second liquid outlet pipe (43) is provided at the side end of the hydraulic linkage box (36).

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