Robot for cleaning photovoltaic panel

Abstract

The utility model relates to a cleaning device for a photovoltaic panel, in particular to a robot for cleaning the photovoltaic panel, which is used for cleaning the photovoltaic panel and specifically comprises a vehicle body, a supporting arm, a first telescopic rod, a second telescopic rod, a third telescopic rod, a cleaning device, a first motor, a second motor and a driving device, a control mainboard, a first motor, a power source and a water storage tank are arranged in the vehicle body, the first motor is arranged in the middle in the vehicle body, the water storage tank is arranged on the left side of the first motor, the power source is arranged on the right side of the first motor, the first telescopic rod and the second telescopic rod are connected with the supporting arm, and the cleaning device is arranged at the output end of the second telescopic rod. The third telescopic rod is arranged at the upper end of the cleaning device, the driving device is arranged at the bottom of the vehicle body, signals are received and instructions are sent through a control mainboard in the vehicle body, the cleaning device is adjusted, and therefore the photovoltaic panel is cleaned.

Description

Technical Field

[0001] The utility model relates to the field of photovoltaic panel cleaning devices, in particular to a robot for cleaning photovoltaic panels. Background Art

[0002] With the continuous improvement of solar photovoltaic power generation technology, the use of this renewable energy in social life is becoming more and more common, but the working environment of solar photovoltaic panels can only be outdoors. The biggest problem affecting their work is not wind, rain, thunder and lightning, but the dust and snow accumulated over the years. Dust or other attachments on solar photovoltaic panels will affect the light transmittance of photovoltaic panels, reduce photoelectric efficiency, and thus affect the efficiency of photovoltaic panels to directly obtain sunlight, reduce the energy absorption and conversion efficiency of photovoltaic panels, and reduce power generation efficiency. The cleaning of traditional photovoltaic panels is done manually or through a cleaning system fixed on each photovoltaic panel. However, this cleaning system needs to be set on each photovoltaic panel, which consumes a lot of resources and is costly. Utility Model Content

[0003] In view of the above technical problems, the utility model provides a robot for cleaning photovoltaic panels, which receives signals and sends instructions through a main control board inside the vehicle body to adjust the cleaning device, thereby achieving the cleaning effect on the photovoltaic panels.

[0004] In order to solve the existing technical problems, the technical solution adopted by the utility model is:

[0005] A robot for cleaning photovoltaic panels, used for cleaning photovoltaic panels, comprises a vehicle body, a support arm, a first telescopic rod, a second telescopic rod, a third telescopic rod, a cleaning device and a driving device, wherein the support arm is arranged on the vehicle body, the end of the first telescopic rod is installed on the support arm, the output end of the first telescopic rod is connected to the end of the second telescopic rod, and the second telescopic rod is connected to the top shaft of the support arm to realize axial rotation, the end of the last telescopic rod of the second telescopic rod is connected to the cleaning device, the third telescopic rod is connected between the cleaning device and the last telescopic rod of the second telescopic rod, and the cleaning rotation range of the cleaning device is realized by the third telescopic rod; the driving device is arranged at the bottom of the vehicle body.

[0006] The cleaning device includes a roller brush, a bracket, a second motor, a water tank, a water pipe and a water spray tank. The roller brush is installed at the lower end of the bracket, and the water spray tank is installed at the upper end of the bracket. Water spray ports are arranged on the side of the water spray tank. The top of the water spray tank is connected to a water pipe, and the water pipe is connected to a water pump in the water tank. The water tank is arranged inside the vehicle body. The second motor is installed on the side of the bracket, and the output end of the second motor is fixedly connected to the central axis of the roller brush. Starting the motor can drive the roller brush to rotate.

[0007] A water tank is installed in one part of the vehicle body, and a first motor, a power supply and a control mainboard are installed in another part. The support arm is connected to the output end of the first motor through a coupling.

[0008] The support arm is bent, and a first rotating slot is provided above the bent portion, a first axial hole is provided on the first rotating slot, one end of the first telescopic rod is connected to the first axial hole through an axis, a second rotating slot is provided on the top of the support arm, a second axial hole is provided in the second rotating slot, a third axial hole is provided in the middle position of the second telescopic rod and is rotatably connected to the second axial hole, a pin is used to penetrate the second axial hole and the third axial hole, so that the second telescopic rod can rotate around the pin.

[0009] Furthermore, a T-shaped rotating shaft is provided at the output end of the second telescopic rod, a third rotating slot is provided on the bracket, and a fourth axial hole which is rotatably connected with the T-shaped rotating shaft is provided on the third rotating slot.

[0010] Furthermore, the tail of the third telescopic rod is connected to the output end of the second telescopic rod, the output end of the third telescopic rod is connected to the upper wall of the water spray box, and the water pipe is movably attached to the support arm through a buckle set on the support arm.

[0011] Furthermore, end plates extending outward are provided on both sides of the bracket, and a first distance sensor and a second distance sensor are respectively provided under the end plates on both sides of the bracket.

[0012] Furthermore, the first motor is arranged in the middle position of the vehicle body, the water tank is arranged on the left side of the first motor, a liquid filling port is arranged at a position on the upper surface of the vehicle body corresponding to the water tank, the power supply is arranged on the right side of the first motor, and a connecting ring is provided at the end of the first telescopic rod, which is rotatably connected to the first shaft hole through a rotating shaft.

[0013] Furthermore, the control mainboard is connected to a power supply, and the first telescopic rod, the second telescopic rod, the third telescopic rod, the first distance sensor, the second distance sensor, the first motor, the second motor and the water pump are electrically connected to the control mainboard respectively.

[0014] Furthermore, the driving device includes a steering wheel, a driving wheel, a driving motor, a first gear, a second gear and a connecting shaft. The steering wheel is arranged at the bottom of the front end of the vehicle body, the top of the steering wheel is rotatably connected to the bottom shaft of the vehicle body, a rotating motor is arranged on the top of the steering wheel, a gear structure is sleeved on the top of the steering wheel, a steering gear is sleeved on the output end of the rotating motor, the gear structure on the top of the steering wheel is meshed with the steering gear sleeved on the output end of the rotating motor, and the driving motor and the rotating motor are respectively electrically connected to the control main board and the power supply.

[0015] Furthermore, the driving wheel is arranged at the bottom of the rear section of the vehicle body, the connecting shaft passes through the first gear and is fixedly connected to the driving wheel, the first gear is fixedly sleeved in the middle of the connecting shaft, the second gear is arranged above the first gear and is meshed with the first gear, a bracket is provided at the bottom of the vehicle body, the driving motor is arranged on the bracket, the output end of the driving motor is fixedly connected to the second gear, and the driving motor can drive the second gear to rotate.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] Compared with the existing photovoltaic panel cleaning system, the utility model does not need to set a cleaning device on each photovoltaic panel. One or more robots can clean the solar photovoltaic panels in the entire area, saving capital investment in cleaning devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model acting on a photovoltaic panel.

[0019] Figure 2 It is a side structural schematic diagram of the utility model.

[0020] Figure 3 It is a schematic diagram of the cleaning device of the utility model.

[0021] Figure 4 It is a schematic diagram of the internal structure of the vehicle body of the utility model.

[0022] Figure 5 It is a schematic diagram of a driving device of the utility model.

[0023] Figure 6 It is a schematic diagram of the connection of the electrical components of the utility model.

[0024] The numbers in the figure are:

[0025] 1-car body; 11-first motor; 12-control main board; 13-power supply;

[0026] 2-support arm; 21-first rotating slot; 211-first shaft hole; 22-second rotating slot; 221-second shaft hole; 23-coupling; 24-buckle;

[0027] 3-first telescopic rod; 31-connecting ring; 4-second telescopic rod; 41-third shaft hole; 42-T-shaped rotating shaft;

[0028] 5-cleaning device; 51-roller brush; 52-bracket; 521-third rotating slot; 522-fourth shaft hole; 53-end plate; 54-second motor; 55-water storage tank; 56-water pipe; 57-water pump; 551-liquid injection port; 58-water spray tank; 59-water spray port;

[0029] 6-third telescopic rod; 7-first distance sensor; 8-second distance sensor; 9-photovoltaic panel;

[0030] 10-driving device; 101-steering wheel; 102-driving wheel; 103-driving motor; 104-first gear; 105-second gear; 106-connecting shaft. DETAILED DESCRIPTION

[0031] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0032] See also Figure 1 to Figure 6 As shown, a robot for cleaning photovoltaic panels is used to clean photovoltaic panels 9, including a body 1, a support arm 2, a first telescopic rod 3, a second telescopic rod 4, a third telescopic rod 6, a cleaning device 5 and a driving device 10, wherein the support arm 2 is arranged on the body 1, and a control main board 12, a first motor 11, a power supply 13 and a water tank 55 are arranged inside the body 1, the first motor 11 is arranged in the middle position inside the body 1, the water tank 55 is arranged on the left side of the first motor 11, the power supply 13 is arranged on the right side of the first motor 11, the first telescopic rod 3 and the second telescopic rod 4 are both connected to the support arm 2, the cleaning device 5 is arranged at the output end of the second telescopic rod 4, the third telescopic rod 6 is arranged on the cleaning device 5, and the driving device 10 is arranged at the bottom of the body 1.

[0033] The support arm 2 is connected to the output end of the first motor 11 through a coupling 23. The support arm 2 is bent and has a first rotation slot 21 above the bent portion. The first rotation slot 21 has a first axial hole 211. The front end of the support arm 2 has a second rotation slot 22. The side wall of the second rotation slot 22 has a second axial hole 221.

[0034] In order to prevent the cleaning device 5 from causing damage to the nearby photovoltaic panel 9 when the vehicle body 1 is moving, the support arm 2 is set on the first motor 11. During driving, the first motor 11 drives the entire device to rotate in the same direction as the driving direction of the vehicle body 1, effectively avoiding unnecessary damage to the photovoltaic panel 9, and a coupling 23 is set to connect the support arm 2 and the first motor 11, avoiding damage to the first motor 11 due to dangerous situations such as stress concentration.

[0035] A connecting ring 31 is disposed at the end of the first telescopic rod 3 , and the connecting ring 31 is rotatably connected to the first shaft hole 211 via a rotating shaft.

[0036] The output end of the first telescopic rod 3 is connected to the end of the second telescopic rod 4 , and the angle of the second telescopic rod 4 can be roughly adjusted by extending and retracting the first telescopic rod 3 .

[0037] A third axial hole 41 is provided in the middle of the second telescopic rod 4 and is rotatably connected to the second axial hole 221 . A latch is passed through the second axial hole 221 and the third axial hole 41 so that the second telescopic rod 4 can rotate around the latch. A T-shaped rotating shaft 42 is provided at the output end of the second telescopic rod 4 .

[0038] The extension and retraction of the second telescopic rod 4 can control the distance between the cleaning device 5 and the photovoltaic panel 9 to be cleaned, and a T-shaped rotating shaft 42 is set at the front end of the second telescopic rod 4. The T-shaped rotating shaft 42 makes the cleaning device 5 movably connected to the second telescopic rod 4, and also facilitates the fine adjustment of the angle of the cleaning device 5.

[0039] The cleaning device 5 includes a roller brush 51, a bracket 52, a second motor 54, a water storage tank 55, a water pipe 56, a water pump 57 and a water spray box 58, wherein the bracket 52 is provided with a third rotating slot 521, the third rotating slot 521 is provided with a fourth shaft hole 522 which is rotatably connected with the T-shaped rotating shaft 42, both sides of the bracket 52 are provided with end plates 53 extending outward, the second motor 54 is arranged on the side of the bracket 52, the output end of the second motor 54 is fixedly connected to the central axis of the roller brush 51, the tail of the third telescopic rod 6 is connected to the output end of the second telescopic rod 4, the output end of the third telescopic rod 6 is connected to the upper wall of the water spray box 58, water spray ports 59 are provided on both sides of the water spray box 58, a water injection port 551 is provided above the water storage tank 55, one end of the water pipe 56 is connected to the output end of the water pump 57, the other end of the water pipe 56 is connected to the water spray box 58, and the water pipe 56 is movably attached to the support arm 2 through the buckle 24 arranged on the support arm 2.

[0040] The cleaning device 5 uses a second motor 54 to drive the roller brush 51 to rotate, so that the bristles on the roller brush 51 brush off the debris, dust and rainwater on the photovoltaic panel 9. The third telescopic rod 6 on the cleaning device 5 is used to adjust the angle of the cleaning device 5 and the photovoltaic panel 9 to be consistent, so that the roller brush 51 can be completely attached to the photovoltaic panel 9 without any gaps. While cleaning, the water pump 57 starts working, so that the cleaning liquid is sprayed out from the water nozzle 59. By cleaning, the sticky attachments on the photovoltaic panel 9 can be removed. The second motor 54 and the third telescopic rod 6 are electrically connected to the control main board 12, and the relevant connecting cables can be laid on the periphery of the water pipe 56 for routing.

[0041] A first distance sensor 7 and a second distance sensor 8 are respectively provided below the end plates 53 on both sides of the bracket 52. Figure 2 shown.

[0042] The first distance sensor 7 and the second distance sensor 8 are used to determine whether the distances between the two ends of the roller brush 51 and the photovoltaic panel 9 are consistent, and to determine whether the roller brush 51 has been attached to the photovoltaic panel 9, so as to facilitate timely adjustment.

[0043] like Figure 5 As shown, the driving device 10 includes a steering wheel 101, a driving wheel 102, a driving motor 103, a first gear 104, a second gear 105 and a connecting shaft 106, wherein the steering wheel 101 is arranged at the front bottom of the vehicle body 1, and a rotating motor 1011 is provided on the top of the steering wheel 101. The top of the steering wheel 101 is rotatably connected to the bottom shaft of the vehicle body 1, so that the steering wheel 101 can perform a rotational steering movement along the Z-axis direction relative to the bottom of the vehicle body 1.

[0044] A gear structure is sleeved on the top of the steering wheel 101, and a steering gear is sleeved on the output end of the rotating motor 1011. The gear structure on the top of the steering wheel 101 is meshed with the steering gear sleeved on the output end of the rotating motor 1011, so that the rotating motor 1011 can drive the steering wheel 101 to rotate and steer along the Z axis.

[0045] The driving wheel 102 is arranged at the bottom of the rear section of the vehicle body 1, the connecting shaft 106 passes through the first gear 104 and is fixedly connected to the driving wheel 102, the first gear 104 is fixedly sleeved on the middle part of the connecting shaft 106, the second gear 105 is arranged above the first gear 104 and is meshed with the first gear 104, a bracket is provided at the bottom of the vehicle body 1, the driving motor 103 is arranged on the bracket, the output end of the driving motor 103 is fixedly connected to the second gear 105, the driving motor 103 can drive the second gear 105 to rotate, thereby driving the driving wheel 102 to rotate.

[0046] The control mainboard 12 is connected to the power supply 13, which provides power support for the entire system. In this embodiment, the power supply 13 is preferably a rechargeable battery. The first telescopic rod 3, the second telescopic rod 4, the third telescopic rod 6, the first distance sensor 7, the second distance sensor 8, the first motor 11, the second motor 54, the water pump 57, the drive motor 103 and the rotating motor 1011 and other electrical components are all electrically connected to the control mainboard 12, and the control mainboard 12 sends instructions to them and controls their work, and the control mainboard 12 also receives the information fed back from them.

[0047] When the management staff finds that the photovoltaic panel 9 is dirty and needs to be cleaned, the staff remotely starts the robot to move to the photovoltaic panel in front of the photovoltaic panel 9 that needs to be cleaned. After arriving, the first distance sensor 7 and the second distance sensor 8 detect the distance and angle between the cleaning device 5 and the photovoltaic panel 9, so as to timely adjust the telescopic length of the first telescopic rod 3, the second telescopic rod 4, and the third telescopic rod 6, so as to achieve the angle adjustment of the cleaning device 5. After the angle adjustment is completed, the water pump 57 starts working, the water spray port 59 sprays cleaning liquid, and the second motor 54 drives the roller brush 51 to rotate, and starts to clean the dust and other impurities on the photovoltaic panel 9, thereby achieving the cleaning of the photovoltaic panel 9.

[0048] The above embodiments only express one or several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A robot for cleaning photovoltaic panels, characterized in that: The invention comprises a vehicle body (1), a support arm (2), a first telescopic rod (3), a second telescopic rod (4), a third telescopic rod (6), a cleaning device (5) and a driving device (10), wherein the support arm (2) is arranged on the vehicle body (1), the end of the first telescopic rod (3) is mounted on the support arm (2), the output end of the first telescopic rod (3) is connected to the end of the second telescopic rod (4), and the second telescopic rod (4) is connected to the top axis of the support arm (2) to achieve axial rotation, the end of the last telescopic rod of the second telescopic rod (4) is connected to the cleaning device (5), the third telescopic rod (6) is connected between the cleaning device (5) and the last telescopic rod of the second telescopic rod (4), and the cleaning rotation range of the cleaning device (5) is achieved through the third telescopic rod (6); and the driving device (10) is arranged at the bottom of the vehicle body (1); The cleaning device (5) comprises a roller brush (51), a bracket (52), a second motor (54), a water storage tank (55), a water pipe (56) and a water spray tank (58); the roller brush (51) is mounted on the lower end of the bracket (52); the water spray tank (58) is mounted on the upper end of the bracket (52); a water spray port (59) is arranged on the side of the water spray tank (58); the top of the water spray tank (58) is connected to the water pipe (56); the water pipe (56) is connected to a water pump (57) in the water storage tank (55); and the water storage tank (55) is arranged inside the vehicle body (1); the second motor (54) is mounted on the side of the bracket (52); the output end of the second motor (54) is fixedly connected to the central axis of the roller brush (51); the motor is started to drive the roller brush (51) to rotate; A water tank (55) is installed in one part of the vehicle body (1), and a first motor (11), a power source (13) and a control mainboard (12) are installed in another part. The support arm (2) is connected to the output end of the first motor (11) via a coupling (23).

2. A robot for cleaning photovoltaic panels according to claim 1, characterized in that: The support arm (2) is bent, and a first rotation slot (21) is provided above the bent portion, a first shaft hole (211) is provided on the first rotation slot (21), one end of the first telescopic rod (3) is connected to the first shaft hole (211) via a shaft, a second rotation slot (22) is provided on the top of the support arm (2), a second shaft hole (221) is provided on the second rotation slot (22), a third shaft hole (41) is provided at the middle of the second telescopic rod (4) and is rotatably connected to the second shaft hole (221), and a latch is arranged to pass through the second shaft hole (221) and the third shaft hole (41), so that the second telescopic rod (4) can rotate around the latch.

3. A robot for cleaning photovoltaic panels according to claim 2, characterized in that: The output end of the second telescopic rod (4) is provided with a T-shaped rotating shaft (42), the bracket (52) is provided with a third rotating slot (521), and the third rotating slot (521) is provided with a fourth shaft hole (522) which is rotatably connected to the T-shaped rotating shaft (42).

4. A robot for cleaning photovoltaic panels according to claim 3, characterized in that: The tail of the third telescopic rod (6) is connected to the output end of the second telescopic rod (4), the output end of the third telescopic rod (6) is connected to the upper wall of the water spray box (58), and the water pipe (56) is movably attached to the support arm (2) through a buckle (24) provided on the support arm (2).

5. A robot for cleaning photovoltaic panels according to claim 4, characterized in that: End plates (53) extending outwards are provided on both sides of the bracket (52), and a first distance sensor (7) and a second distance sensor (8) are provided below the end plates (53) on both sides of the bracket (52), respectively.

6. A robot for cleaning photovoltaic panels according to claim 1, characterized in that: The first motor (11) is arranged at a middle position in the vehicle body (1); the water tank (55) is arranged on the left side of the first motor (11); a liquid injection port (551) is arranged at a position on the upper surface of the vehicle body corresponding to the water tank; the power source (13) is arranged on the right side of the first motor (11); a connecting ring (31) is arranged at the end of the first telescopic rod (3); and the connecting ring (31) is rotatably connected to the first shaft hole (211) via a rotating shaft.

7. A robot for cleaning photovoltaic panels according to claim 1, characterized in that: The control main board (12) is connected to a power source (13), and the first telescopic rod (3), the second telescopic rod (4), the third telescopic rod (6), the first distance sensor (7), the second distance sensor (8), the first motor (11), the second motor (54) and the water pump (57) are all electrically connected to the control main board (12).

8. A robot for cleaning photovoltaic panels according to claim 7, characterized in that: The driving device (10) comprises a steering wheel (101), a driving wheel (102), a driving motor (103), a first gear (104), a second gear (105) and a connecting shaft (106); the steering wheel (101) is arranged at the front bottom of the vehicle body (1); the top of the steering wheel (101) is rotatably connected to the bottom shaft of the vehicle body (1); a rotating motor is arranged at the top of the steering wheel (101); a gear structure is sleeved on the top of the steering wheel (101); a steering gear is sleeved on the output end of the rotating motor; the gear structure at the top of the steering wheel (101) meshes with the steering gear sleeved on the output end of the rotating motor; and the driving motor (103) and the rotating motor are electrically connected to the control mainboard (12) and the power supply (13), respectively.

9. A robot for cleaning photovoltaic panels according to claim 8, characterized in that: The driving wheel (102) is arranged at the bottom of the rear section of the vehicle body (1); the connecting shaft (106) passes through the first gear (104) and is fixedly connected to the driving wheel (102); the first gear (104) is fixedly sleeved on the middle part of the connecting shaft (106); the second gear (105) is arranged above the first gear (104) and is meshed with the first gear (104); a bracket is provided at the bottom of the vehicle body (1); the driving motor (103) is arranged on the bracket; the output end of the driving motor (103) is fixedly connected to the second gear (105); the driving motor (103) drives the second gear (105) to rotate.

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