CN107362993B - The method for avoiding hot spot effect - Google Patents

Abstract

The invention relates to a method for avoiding the hot spot effect. The bionic photovoltaic cleaning vehicle used includes a vehicle body, a cleaning brush and a driving device; the driving device is installed at the center of the bottom of the vehicle body; Wrapped with a liquid storage chamber; the liquid storage chamber is also connected with a water inlet pipe and a liquid inlet pipe; the cleaning vehicle includes a set of parallel rollers, the rollers are driven by a motor, and the motor is controlled by a wireless controller; Tracks are installed between the rollers, and suction cups are equidistantly distributed on the tracks; the suction cups include a bowl surface and a base, and a piston block that can slide up and down along the inner wall of the base is movably installed in the base. The piston block is made of permanent magnetic material; a ferromagnetic plate is fixedly installed inside the drive device; the cleaning vehicle can be firmly adsorbed on the surface of the photovoltaic panel, effectively overcome slippage, and at the same time cleanly clean the surface of the photovoltaic panel.

Description

Ways to Avoid the Hot Spot Effect

This application relates to a divisional application whose application number is 201510665331.1 and the title of the invention is a photovoltaic cleaning vehicle.

technical field

The invention relates to a photovoltaic panel cleaning device, in particular to a photovoltaic cleaning vehicle.

Background technique

With the deterioration of the environment and the deepening of human awareness of environmental protection, photovoltaic power generation, as one of the main green energy sources, has been applied more and more; photovoltaic power generation as solar power, the weather is the biggest factor restricting power generation, followed by human control In addition to avoiding losses caused by electrical equipment failure, the cleaning of photovoltaic panels is also particularly important; the surface pollution of photovoltaic modules has a significant impact on the alignment of power generation efficiency. The amount of radiation received; second, the adhesion of dirt to the surface of the solar panel will form a shadow, which will generate a hot spot effect in the local area of the photovoltaic module, thereby causing damage to the photovoltaic panel, affecting the power generation efficiency and shortening the life of the photovoltaic panel; The traditional cleaning process requires a lot of labor and capital, and cannot effectively reduce the frequency of hot spot effects; while conventional cleaning equipment is not stable enough on slopes, and is prone to cleaning fluid residue.

Contents of the invention

In view of the above problems, the present invention provides a bionic photovoltaic cleaning vehicle, which can be firmly adsorbed on the surface of the photovoltaic panel, effectively overcome slippage, and at the same time cleanly clean the surface of the photovoltaic panel.

In order to solve the above problems, the technical solution adopted in the present invention is: the bionic photovoltaic cleaning vehicle includes a vehicle body, a cleaning brush and a driving device; the driving device is installed in the center of the bottom of the vehicle body, and the cleaning brushes are distributed in a ring The periphery of the driving device is fixed on the bottom of the car body; the outside of the driving device is also wrapped with a liquid storage chamber, and the outer wall of the liquid storage chamber is uniformly provided with a liquid outlet; the liquid storage chamber is also connected to a Water inlet pipe and liquid inlet pipe; the cleaning vehicle includes a group of parallel rollers, the rollers are driven by a motor, and the motor is controlled by a wireless controller; crawlers are installed between the rollers, and on the crawlers, etc. The suction cup is densely covered; the suction cup includes a bowl surface and a base, and a piston block that can slide up and down along the inner wall of the base is movably installed in the base, and the piston block is made of permanent magnetic material; the base and the The bowls are communicated with each other; a ferromagnetic plate is fixedly installed inside the drive device, and the ferromagnetic plate is coplanar with the bottom of the car body.

The beneficial effect of the present invention is: place the bionic photovoltaic cleaning vehicle on the surface of the photovoltaic panel, open the liquid inlet pipe and the water inlet pipe, so that a certain proportion of cleaning liquid can fill the liquid storage chamber; the cleaning liquid is sprayed out from each liquid outlet hole And flow along the lines of the cleaning brush to the surface of the photovoltaic panel, and realize the cleaning and scrubbing of the surface during the reciprocating movement of the car body; in the present invention, the adsorption and driving parts of the traditional cleaning machine are emphatically improved; in the present invention, Remotely adjust the motor through the wireless controller to control the rolling and steering of the roller; the roller and the track always maintain static friction, so when the roller rolls, the track will roll along the surface of the photovoltaic panel; after the track touches the photovoltaic panel, it will tighten The sucker on the plate surface is blocked, and the bowl surface of the sucker is in an airtight state; and according to the magnetic force, the piston block in the base of the sucker moves upward due to the magnetic attraction when it is close to the ferromagnetic plate, and the bowl As the volume in the surface increases and the air pressure decreases, the suction cup at the lower part of the crawler is firmly adsorbed on the photovoltaic panel; when the crawler rolls over, the suction cup at the rear is lifted from one side, and the suction cup at the front is adsorbed to the photovoltaic panel again under the action of magnetic force. Therefore, the car body can be firmly adsorbed on the board during the whole moving process, effectively preventing sideslip; at the same time, compared with the traditional cleaning car, the suction cup of the present invention always maintains static friction with the photovoltaic The damage is small, and the board surface will not be scratched after cleaning, and the dust on the board surface will not be pressed and stuck to the board surface.

To sum up, the present invention can realize the stable movement of the cleaning vehicle without scratching the photovoltaic panel, and at the same time, it is not easy to cause dirt residue on the panel surface.

As preferably, the end of the cleaning brush is higher than the edge of the bowl surface; when the present invention is not working, the suction cup supports the car body, and the cleaning brush will not touch the ground, which ensures the cleanliness of the cleaning brush; when using the present invention When the invention works, because the sucker is adsorbed on the photovoltaic board, the surface of the bowl is compressed and flattened under the action of the pressure difference, and the cleaning brush can contact the surface of the board and clean it effectively.

Preferably, a waterproof layer is coated on the surface of the piston block; in order to prolong the service life of the piston block.

Description of drawings

Fig. 1 is a side view schematic diagram of an embodiment of the bionic photovoltaic cleaning vehicle.

FIG. 2 is a schematic top view of the embodiment shown in FIG. 1 .

Detailed ways

Example

In the embodiment shown in Fig. 1 and Fig. 2, the bionic photovoltaic cleaning vehicle includes a vehicle body 1, a cleaning brush 2 and a driving device; the driving device is installed in the center of the bottom of the vehicle body 1, and the cleaning brush 2 is The ring is distributed on the periphery of the driving device and fixed on the bottom of the car body 1; the outside of the driving device is also wrapped with a liquid storage chamber 3, and the outer wall of the liquid storage chamber 3 is uniformly provided with a liquid outlet; The liquid chamber 3 is also communicated with a water inlet pipe and a liquid inlet pipe; the cleaning vehicle includes a group of parallel rollers 4, the rollers 4 are driven by a motor, and the motor is controlled by a wireless controller; between the rollers 4 Crawler belts 5 are installed, and suction cups 6 are equidistantly densely distributed on the crawler belts 5; the suction cups 6 include a bowl surface and a base, and a piston block 61 that can slide up and down along the inner wall of the base is installed in the base. Piston block 61 is made of permanent magnet material, is coated with waterproof layer on the surface of described piston block 61, so that prolong the service life of piston block 61; Connect between described base and described bowl surface; Described cleaning brush The end of 2 is higher than the edge of the bowl surface; a ferromagnetic plate 7 is also fixedly installed inside the drive device, and the ferromagnetic plate 7 is coplanar with the bottom of the vehicle body 1 .

Place the bionic photovoltaic cleaning vehicle on the surface of the photovoltaic panel, open the liquid inlet pipe and the water inlet pipe, so that a certain proportion of cleaning liquid can fill the liquid storage chamber 3; the cleaning liquid is sprayed from each liquid outlet hole and along the cleaning brush 2 The lines flow to the board surface of the photovoltaic panel, and the cleaning and scrubbing of the board surface is realized during the reciprocating movement of the car body 1; in the present invention, the adsorption and driving parts of the traditional cleaning machine are emphatically improved; in the present invention, through the wireless controller Remotely adjust the motor to control the rolling and steering of the roller 4; the roller 4 and the crawler belt 5 always maintain static friction, so when the roller 4 rolls, the crawler belt 5 will pass along the surface of the photovoltaic panel; after the crawler belt 5 touches the photovoltaic panel , the sucker 6 that is close to the plate surface is blocked, and the bowl surface of the sucker 6 is in an airtight state; and according to the magnetic force, the piston block 61 in the base of the sucker 6 is subjected to magnetic attraction when it is close to the ferromagnetic plate 7 The action moves upward, at this time, the volume in the bowl increases and the air pressure decreases, and the suction cup 6 at the bottom of the crawler belt 5 is firmly adsorbed on the photovoltaic panel; the suction cup 6 is compressed and flattened under the action of the air pressure difference. The position of 1 sinks, and the cleaning brush 2 presses the surface of the photovoltaic panel to clean the panel surface during the movement of the vehicle body 1.

When the crawler belt 5 is moving, the rear suction cup 6 is lifted from one side, and the front suction cup 6 is adsorbed on the photovoltaic panel again under the action of magnetic force; therefore, the car body 1 can be firmly adsorbed on the panel during the whole moving process On the one hand, it can effectively prevent the occurrence of sideslip; at the same time, compared with the traditional cleaning vehicle, the suction cup 6 of the present invention keeps static friction with the photovoltaic panel all the time, which causes less damage to the panel surface, and does not cause scratches on the panel surface after cleaning, and at the same time The dust on the board will not be pressed and stick to the board.

In summary, the present invention can realize the stable movement of the cleaning vehicle without scratching the photovoltaic panel, and at the same time, it is not easy to cause dirt residue on the panel surface; the principle of the driving device in the present invention is similar to the climbing principle of caterpillars. Firmly grasp the photovoltaic panel, utilize the transmission of the crawler belt 5, realize the movement of the position and the alternate work of the suction cup 6, the structure is exquisite and the effect is remarkable.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (3)

1. A method for avoiding the hot spot effect, the bionic photovoltaic cleaning vehicle that it adopts includes a car body (1), a cleaning brush (2) and a driving device; it is characterized in that: the driving device is installed on the car body (1) In the center of the bottom, the cleaning brushes (2) are annularly distributed on the periphery of the driving device and fixed on the bottom of the car body (1); the outside of the driving device is also wrapped with a liquid storage cavity (3), and the storage The outer wall of the liquid chamber (3) is evenly provided with liquid outlet holes; the liquid storage chamber (3) is also connected with a water inlet pipe and a liquid inlet pipe; the cleaning vehicle includes a group of parallel rollers (4), the The rollers (4) are driven by a motor, and the motor is controlled by a wireless controller; crawlers (5) are installed between the rollers (4), and suction cups (6) are equally spaced and densely distributed on the crawlers (5); The suction cup (6) includes a bowl surface and a base, and a piston block (61) that can slide up and down along the inner wall of the base is installed movably in the base, and the piston block (61) is made of a permanent magnetic material; The base is communicated with the bowl surface; a ferromagnetic plate (7) is also fixedly installed inside the drive device, and the ferromagnetic plate (7) is coplanar with the bottom of the car body (1); the method involves The specific working process is as follows: Place the bionic photovoltaic cleaning vehicle on the surface of the photovoltaic panel, open the liquid inlet pipe and the water inlet pipe, so that a certain proportion of cleaning liquid can fill the liquid storage chamber (3); the cleaning liquid is sprayed from each liquid outlet and along the cleaning The lines of the brush (2) flow to the surface of the photovoltaic panel, and the panel surface is cleaned and scrubbed during the reciprocating movement of the car body (1); the motor is remotely adjusted through the wireless controller, thereby controlling the rolling and rolling of the roller (4). Steering; the roller (4) and the crawler belt (5) always maintain static friction, so when the roller (4) rolls, the crawler belt (5) will pass along the surface of the photovoltaic panel; after the crawler belt (5) contacts the photovoltaic panel, The sucker (6) close to the plate surface is blocked, and the bowl surface of the sucker (6) becomes airtight here; When the magnetic plate 7 moves upwards under the effect of magnetic attraction, the volume in the bowl surface increases, the air pressure decreases, and the suction cup (6) at the bottom of the crawler belt (5) is firmly adsorbed on the photovoltaic panel; Under the action of the difference, it is compressed and flattened. At this time, the position of the car body (1) sinks, and the cleaning brush (2) presses the surface of the photovoltaic panel to clean the panel surface during the movement of the car body (1). 2. The method according to claim 1, characterized in that: the end of the cleaning brush (2) is higher than the edge of the bowl surface. 3. The method according to claim 1 or 2, characterized in that: the surface of the piston block (61) is coated with a waterproof layer.