CN209715848U - A kind of photovoltaic panel cleaning device in photovoltaic plant - Google Patents

Abstract

The utility model relates to a photovoltaic panel cleaning device in a photovoltaic power station. The cleaning device includes a rectangular folding frame arranged obliquely. The folding frame includes two accommodating grooves for accommodating photovoltaic panels. Two adjacent accommodating grooves are connected by connecting pieces. Both sides of the bottom of the folding frame are respectively connected with a group of oppositely arranged brackets, the bottom of the bracket is movably socketed on the guide rail, and the brackets are connected with linear motors, and the folding frame is folded and opened by pushing and pulling the brackets through the linear motors; the cleaning The device is also connected with an air compression device and a water storage tank, the air compression device and the water storage tank are connected with the inlet of the dual-fluid nozzle, and the outlet of the dual-fluid nozzle is connected with a plurality of nozzles corresponding to the photovoltaic panels. The utility model provides a photovoltaic panel cleaning device in a photovoltaic power station, which can assist the photovoltaic panel to remove dust, thereby improving the power generation efficiency and service life of the photovoltaic panel.

Description

A photovoltaic panel cleaning device in a photovoltaic power station

technical field

The utility model relates to the field of new energy, in particular to a photovoltaic panel cleaning device in a photovoltaic power station.

Background technique

Photovoltaic power generation is a technology that directly converts light energy into electrical energy by using the photovoltaic effect at the semiconductor interface. Photovoltaic (PV or photovoltaic), short for photovoltaic power system, is a new type of power generation system that uses the photovoltaic effect of solar cell semiconductor materials to directly convert solar radiation energy into electrical energy. It has an independent There are two modes of operation and grid-connected operation. At the same time, the classification of solar photovoltaic power generation systems, one is centralized, such as large-scale Northwest ground photovoltaic power generation systems; the other is distributed (with >6MW as the boundary), such as industrial and commercial enterprise factory roof photovoltaic power generation systems, residential roof photovoltaic power generation systems.

With the widespread application of solar photovoltaic power generation, the use of solar photovoltaic panels has greatly eased the tension on electricity consumption. However, in the long-term use process, since solar photovoltaic panels are generally directly installed outdoors during use, photovoltaic panels are also affected by environmental pollution, especially urban industrialization and air pollution are becoming more and more serious, resulting in serious dust accumulation on solar photovoltaic panels , which greatly affects the absorption and conversion efficiency of solar photovoltaic panels to sunlight.

For the cleaning of photovoltaic panels, related patents have been published in the prior art, patent application number: CN201720853698.0, patent name: a high-efficiency photovoltaic power station cleaning prediction equipment, disclosed: a high-efficiency photovoltaic power station cleaning prediction equipment , including a bracket, a photovoltaic panel fixing frame, a photovoltaic panel, several dust data collection devices, a cleaning device and a controller. The water tank is connected and the other end is connected with the shower head, the water storage tank is fixed on the support, the shower head is fixed on the upper end of the photovoltaic panel, and the connection between the water delivery pipe and the water storage tank There is a water pump. The photovoltaic panel is sprayed with water by being provided with a spray head, and the photovoltaic panel is washed by the water flow to clean the photovoltaic panel.

However, simply scouring with water flow cannot effectively clean the stains on the photovoltaic panels, and the water consumption is also large, and in the cleaning process, the cleaning is not concentrated enough, and the drainage performance is not ideal. It is also impossible to carry out targeted cleaning according to the usage of photovoltaic panels.

And patent number: CN201720853586.5, patent name: solar photovoltaic module cleaning system, discloses a solar photovoltaic module cleaning system, including a cleaning system and a monitoring and control system, the cleaning system includes a spray pipe, a sump and a water circulation pipeline , the spray pipe is installed horizontally on the upper end of the photovoltaic module, the photovoltaic module is installed on the support, the lower end of the photovoltaic module is located on the support and is provided with the water collection tank, the water collection tank and the spray Water tanks and pressurized water pumps are sequentially arranged between the shower pipes along the direction of water flow; the monitoring and control system includes a power generation monitor, a light intensity sensor, a history memory and a PLC controller; the power monitor and the light intensity sensor They are respectively electrically connected to the history memory, and the power generation monitor, the light intensity sensor and the history memory are respectively electrically connected to the PLC controller.

In the prior art, it is solved that the solar photovoltaic module cleaning system can clean and lower the temperature according to the usage of the photovoltaic module, but the stains on the photovoltaic panels cannot be effectively cleaned by simply rinsing with water flow, and the water consumption is also large; and in cleaning In the process of cleaning, the cleaning is not concentrated enough, and the drainage performance cannot reach the best state.

Therefore, it is necessary to develop a photovoltaic panel cleaning device in a photovoltaic power station, which can assist the photovoltaic panel in dust removal, thereby improving the power generation efficiency and service life of the photovoltaic panel.

Contents of the invention

The utility model overcomes the shortcomings of the prior art, and is a photovoltaic panel cleaning device in a photovoltaic power station, which can assist the photovoltaic panel to remove dust, thereby improving the power generation efficiency and service life of the photovoltaic panel.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a photovoltaic panel cleaning device in a photovoltaic power station. The cleaning device includes a rectangular folding frame arranged obliquely. Two adjacent accommodating grooves are connected by connectors, and a set of opposite brackets are respectively connected to the two sides of the bottom of the folding frame. Realize the folding and opening of the folding frame; the cleaning device is also connected with an air compression device and a water storage tank, and the air compression device and the water storage tank are connected with the inlet of the dual-fluid nozzle, and the outlet of the dual-fluid nozzle is connected with multiple Corresponding to the sprinkler head of the photovoltaic panel.

In a preferred embodiment of the present invention, the cleaning device is further provided with a temperature sensor or/and an illumination sensor.

In a preferred embodiment of the utility model, the linear motor is fixed to the guide rail, and the telescopic rod of the linear motor is connected to the corresponding support.

In a preferred embodiment of the present invention, the linear motors are connected to the driving device, and the linear motors are arranged inside the bracket and below the folding frame.

In a preferred embodiment of the present invention, the dual-fluid nozzle is T-shaped, and the two ends of the outlet of the dual-fluid nozzle are respectively connected to the air injection pipe of the air compression device and the water delivery pipe of the water storage tank, and the outlet of the dual-fluid nozzle is connected to After having a spray valve, it is connected with multiple spray heads.

In a preferred embodiment of the present invention, a plurality of spray heads facing the photovoltaic panels are arranged on both sides of the folding frame.

In a preferred embodiment of the present invention, two adjacent accommodation grooves are connected by a connecting piece, and can be folded in a V shape around the connecting piece; or, two adjacent accommodation grooves are connected by a connecting piece, and can be folded around the connecting piece Fold in an inverted V shape.

In a preferred embodiment of the utility model, the bracket includes a connecting cross bar, and longitudinal support rods arranged at both ends of the connecting cross bar. .

The utility model solves the defects existing in the background technology, and the utility model has beneficial effects:

The utility model discloses a photovoltaic panel cleaning device, which can assist the photovoltaic panel to remove dust, thereby improving the power generation efficiency and service life of the photovoltaic panel.

1. The dual-fluid nozzle used in the utility model can realize better flushing while saving water sources, adding compressed air is more conducive to flushing the stains on the photovoltaic panels.

2. The utility model adopts a photovoltaic panel cleaning device that can be turned over. During the cleaning process, the folding frame can be turned over, which is convenient for cleaning. The folding frame is V-shaped or inverted V-shaped in an inclined downward manner. The folding angle is said to be conducive to the discharge of sewage after cleaning.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a structural schematic diagram when the folding frame of the preferred embodiment of the present invention is opened;

Fig. 2 is a structural schematic diagram when the folding frame is folded in a preferred embodiment of the present invention;

Fig. 3 is a schematic diagram of the structure when the folding frame adopts the connector as the hinge in the preferred embodiment of the present invention;

In the figure: 1-rail, 2-bracket, 3-linear motor, 4-telescopic rod, 5-folding frame, 51-accommodating slot, 52-photovoltaic panel, 53-pivoting side, 531-connector, 6-storage Water tank, 61-water tank frame, 62-water pump, 63-water delivery pipe, 64-temperature sensor, 65-light sensor, 7-drive device, 8-air compression device, 81-jet pipe, 82-control valve, 9- Dual-fluid sprinkler head, 91-spray head.

Detailed ways

The utility model is described in further detail now in conjunction with accompanying drawing and embodiment, and these accompanying drawings all are simplified schematic diagrams, only illustrate the basic structure of the utility model in schematic mode, so it only shows the formation relevant to the utility model.

As shown in Figures 1 to 3, a photovoltaic panel cleaning device in a photovoltaic power station, the cleaning device includes a rectangular folding frame 5 arranged obliquely. The adjacent accommodating grooves 51 are connected by connecting pieces 531, and a set of opposite brackets 2 are respectively connected to both sides of the bottom of the folding frame 5, and the bottom of the brackets 2 is movably socketed on the guide rail 1, and the brackets 2 are connected to linear motors 3 , push and pull the support 2 through the linear motor 3 to realize the folding and opening of the folding frame 5; The inlet of the two-fluid shower head 9 is connected with a plurality of shower heads 91 corresponding to the photovoltaic panel 52 at the outlet.

In a preferred embodiment of the present invention, the bracket 2 includes a connecting cross bar and longitudinal support rods arranged at both ends of the connecting cross bar. piece.

In a preferred embodiment of the present invention, the linear motor 3 is drivingly connected to the driving device 7 , and the linear motor 3 is arranged inside the support 2 and below the folding frame 5 . Specifically, the telescopic rod 4 of the linear motor 3 abuts against and connects with the base of the corresponding bracket 2 . The brackets 2 on the same side of the folding frame 5 are connected by cross bars. But not limited to this, in other embodiments, the telescopic rod 4 of the linear motor 3 is connected to the corresponding cross bar, and the folding of the folding frame 5 can be realized only by arranging a pair of opposite linear motors 3 .

In a preferred embodiment of the present utility model, the dual-fluid nozzle 9 is T-shaped, and the two ends of the outlet of the dual-fluid nozzle 9 are respectively connected to the air injection pipe 81 of the air compression device 8 and the water delivery pipe 63 of the water storage tank 6, The outlet of the dual-fluid spray head 9 is connected with a spray valve 92 and then connected with a plurality of spray heads 91 . Specifically, a plurality of shower heads 91 facing the photovoltaic panel 52 are arranged on both sides of the folding frame 5 .

In a preferred embodiment of the present invention, two adjacent accommodating grooves 51 are connected by a connecting piece 531 , which can be folded in a V shape around the connecting piece. But not limited thereto, in other embodiments, two adjacent receiving grooves 51 can be connected by a connecting piece, and can be folded around the connecting piece in an inverted V shape.

In a preferred embodiment of the utility model, the folding frame 5 is rectangular, and the height of the pair of brackets 2 connected to the front end of the folding frame 5 is different from that of the pair of brackets 2 connected to the rear end of the folding frame 5 .

Further, the driving device 7 is provided with a control device, the control device is connected with a temperature sensor 64 and an illumination sensor 65 , and the driving device 7 is also drivingly connected with the linear motor 3 . The cleaning device is also provided with a temperature sensor 64 and an illumination sensor 65 to detect the external environment. When the external temperature is too high, it can be driven to clean and cool down. The illumination sensor 65 can detect illumination, which is beneficial for cleaning the photovoltaic panel 52 when it is not generating electricity. The circuit structure among the present invention adopts existing circuit connection, and components and parts also adopt the components and parts that are easy to buy on the market, for example, illumination sensor 64 adopts ARN-GZ model; The control device, the I/O port of the input end is respectively connected with a light sensor 65 and a temperature sensor 64. When the temperature collected is greater than the set value, the output signal of the output end of the single chip microcomputer drives the linear motor 3 to work. After the linear motor 3 works in place, the two-fluid The shower head 9, the water introduced into the water storage tank 6, and the compressed air in the air compression device 8 are opened by the control valve 82 and introduced into the shower head 91 to realize flushing. The specific circuit connection relationship is the prior art.

In a preferred embodiment of the present utility model, the working principle of the photovoltaic panel cleaning device in the photovoltaic power station is: after a long time of use, the folding frame 5 is folded into a V shape, so that the photovoltaic panel 52 forms a V-shaped slope, and the folding frame 5 The spray heads 91 on both sides flush the mixture of compressed air and water over the surface of the photovoltaic panel 52 to realize cleaning. During the flushing process, the flushed sewage can be discharged along the slope, and the V-shaped slope also has the function of preventing water droplets from splashing outward. After the flushing is completed, the linear motor 3 pushes the bracket 2 outward to expand the photovoltaic panel 52 to generate photovoltaic power.

The above is inspired by the ideal embodiment of the utility model, through the above description, relevant personnel can make various changes and modifications within the scope of not deviating from the technical idea of the utility model. The technical scope of this utility model is not limited to the content in the description, but must be determined according to the scope of the claims.

Claims (8)

1. the photovoltaic panel cleaning device in a kind of photovoltaic plant, it is characterised in that: cleaning device includes the rectangle folding being obliquely installed Superimposed (5), folding stand (5) include two for accommodating the holding tank (51) of photovoltaic panel (52), two adjacent holding tanks (51) It is connected by connector (531), folding stand (5) two sides of the bottom are connected separately with one group of bracket being oppositely arranged (2), bracket (2) bottom is actively socketed on guide rail (1), and the bracket (2) is respectively connected with linear motor (3), is pushed and pulled by linear motor (3) Bracket (2) realizes the gathering and opening of folding stand (5)；The cleaning device is also connected with air compression plant (8) and water storage box (6), the air compression plant (8) and water storage box (6) are connect with the import of two-fluid spray head (9), the two-fluid spray head (9) Outlet is connected with the spray head (91) of multiple corresponding photovoltaic panels (52).

2. the photovoltaic panel cleaning device in photovoltaic plant according to claim 1, it is characterised in that: also set on cleaning device It is equipped with temperature sensor (64) or/and optical sensor (65).

3. the photovoltaic panel cleaning device in photovoltaic plant according to claim 1, it is characterised in that: each straight-line electric Machine (3) and guide rail (1) are fixed, and the telescopic rod (4) of the linear motor (3) is connected with corresponding bracket (2).

4. the photovoltaic panel cleaning device in photovoltaic plant according to claim 3, it is characterised in that: each straight-line electric Machine (3) is connect with driving device (7), and linear motor (3) is arranged on the inside of bracket (2), and is located at below folding stand (5).

5. the photovoltaic panel cleaning device in photovoltaic plant according to claim 1, it is characterised in that: the two-fluid spray head (9) be that T connects shape, and the both ends of two-fluid spray head (9) outlet respectively with the air jet pipe (81) of air compression plant (8) and store The water-supply-pipe (63) of water tank (6) connects, the outlet of two-fluid spray head (9) be connected with spray valve (92) afterwards with multiple spray heads (91) it connects.

6. the photovoltaic panel cleaning device in photovoltaic plant according to claim 1, it is characterised in that: the folding stand (5) Two sides are along the multiple spray heads (91) for being above provided with face photovoltaic panel (52).

7. the photovoltaic panel cleaning device in photovoltaic plant according to claim 1, it is characterised in that: pass through the connector (531) two holding tanks (51) connected can surround the connector (531) and be in the shape of the letter V fold；

Or, two holding tanks (51) connected by the connector (531), can be in inverted v-shaped around the connector (531) Fold.

8. the photovoltaic panel cleaning device in photovoltaic plant according to claim 1, it is characterised in that: bracket (2) packet Connection cross bar is included, and the vertical supporting bar at connection cross bar both ends is set, the vertical supporting bar height is different, and bracket (2) bottom is provided with the sliding block being actively socketed on guide rail (1).