CN202479185U - Automatically cleaning device for solar panel - Google Patents

Abstract

The utility model discloses an automatic cleaning device for solar battery panels, which comprises a base box for fixing the cleaning device on the solar battery panel, a cleaning brush, a connecting rod mechanism, a motor, a control board and a humidity sensor; the cleaning brush Installed on the connecting rod mechanism, the connecting rod mechanism is driven by the motor; the humidity sensor detects the ambient humidity, and generates a corresponding humidity detection signal output to the control board; when the control board detects that the ambient humidity is greater than the set value , the output control signal starts the motor to run, and then drives the connecting rod mechanism to drive the cleaning brush to swing back and forth on the daylighting panel of the solar panel for cleaning. The solar battery panel automatic cleaning device of the utility model can automatically and intelligently clean the solar battery panel according to the different environments in the area, especially in special weather conditions such as rain and snow, it can automatically and accurately judge the cleaning time. The best time to achieve the best panel cleaning effect.

Description

Solar panel automatic cleaning device

technical field

The utility model belongs to the technical field of intelligent maintenance of solar battery panels, in particular relates to an automatic timing cleaning device designed for solar battery panels.

Background technique

Solar panels, as a globally popular green energy source, have been increasingly widely used, especially on street lamp poles on both sides of urban traffic roads. More and more solar panels are installed and used to absorb the energy of the sun during the day and convert it into The electric energy is stored, and the electric energy is released at night to power the street lamps to realize street lighting. As a result, it not only effectively saves the electric energy of the grid, but also is green and environmentally friendly, which has a positive effect on improving urban air quality.

Most of the current solar panels work in the open air, and a large amount of dust will accumulate in a relatively short period of time, resulting in a decrease in the power generation efficiency of the panels. There are no more than two existing solar panel cleaning methods: one is manual cleaning, which requires cleaners to climb on high-altitude vehicles such as high-altitude vehicles for cleaning, which not only has a high risk factor, but also high maintenance costs. The second is to use a cleaning device dedicated to solar panels for automatic cleaning. Although this cleaning method can liberate a certain amount of labor and improve cleaning efficiency, the current automatic cleaning devices for solar panels on the market have very simple functions and cannot be cleaned. The intelligent judgment of special weather such as rain and snow, and then realize the timely cleaning of solar panels, so the power generation efficiency of the panels will also be affected to a certain extent. Moreover, the power consumption of this solar panel automatic cleaning device is relatively large, so it is not an ideal cleaning tool.

Based on this, how to design a fully functional solar panel automatic cleaning device to realize intelligent cleaning of solar panels is a major problem that needs to be solved urgently in the field of solar panel maintenance.

Contents of the invention

The purpose of this utility model is to provide an automatic cleaning device for solar panels, which can automatically judge the best timing for cleaning, so that the dust and dirt accumulated on the solar panels can be cleaned in time, thereby effectively improving the utilization rate of solar energy.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical solutions to achieve:

An automatic solar cell panel cleaning device, comprising a base box for fixing the cleaning device on the solar cell panel, a cleaning brush, a connecting rod mechanism, a motor, a control panel and a humidity sensor; the cleaning brush is installed on the connecting rod mechanism Above, the link mechanism is driven by the motor; the humidity sensor detects the ambient humidity, and generates a corresponding humidity detection signal to output to the control board; when the control board detects that the ambient humidity is greater than the set value, the output control signal starts The motor runs, and then drives the connecting rod mechanism to drive the cleaning brush to swing back and forth on the daylighting panel of the solar panel for cleaning.

Further, the link mechanism includes a swing rod, a connecting rod and a brush holder; one end of the swing rod is fixedly connected to the rotating shaft of the motor, the other end of the swing rod is hinged to one end of the connecting rod, and the other end of the connecting rod One end is hinged with the brush holder, and one end of the brush holder is rotatably connected with the brush seat fixed on the base box.

Still further, the middle part of the connecting rod and the brush holder is hinged through a pin.

Preferably, the cleaning brush is installed on the side of the brush holder facing the daylighting panel of the solar cell panel.

In order to expand the cleaning range as much as possible, the base box is installed on the end of the long side of the solar panel, the brush holder extends toward the broad side of the solar panel, and the length of the cleaning brush on the brush holder is the same as that of the solar battery. The length of the wide side of the daylighting panel is equivalent, that is, equal to or slightly smaller than the length of the wide side of the daylighting panel.

Preferably, the motor is preferably a DC geared motor.

In order to improve the reliability of the system operation, the motor and the control board are preferably installed in the base box; the sensing contact of the humidity sensor penetrates the shell of the base box to sense the humidity of the external environment, and the generated humidity detection signal passes through the The signal wires are sent to the control board.

In order to facilitate maintenance personnel to adjust the regular cleaning time of the cleaning device, a time adjustment knob is also provided on the base box. The time adjustment knob is connected to the potentiometer knob, and the resistance value of the potentiometer is changed by rotating the time adjustment knob. The potentiometer is connected to the control board, and the change of the resistance value of the potentiometer is detected by the control board, so as to change the set value of the regular cleaning time.

Still further, a microprocessor is provided on the control board, and the microprocessor is respectively connected to the humidity sensor, the potentiometer and the motor correspondingly.

Furthermore, the solar panel is connected to a storage battery to convert solar energy into electrical energy to charge and store the storage battery, and the storage battery supplies working power to the control board, humidity sensor and motor.

Compared with the prior art, the advantages and positive effects of the present utility model are: the automatic solar cell panel cleaning device of the present utility model can perform automatic and intelligent cleaning of the solar cell panel according to the different environments in the area where it is located, especially In special weather conditions such as rain and snow, it can automatically and accurately determine the best timing for cleaning, and then achieve the best panel cleaning effect. The automatic cleaning device is simple in structure, small in size, low in cost, easy to install, and does not block the light source. While saving manpower and material resources, it greatly improves the solar energy utilization rate of the panel, and significantly improves the power generation efficiency of the panel.

After reading the detailed description of the embodiments of the utility model in conjunction with the accompanying drawings, other features and advantages of the utility model will become clearer.

Description of drawings

Fig. 1 is the structural representation of a kind of embodiment of the automatic solar cell panel cleaning device that the utility model proposes;

Fig. 2 is a hinged structure diagram between the connecting rod and the brush holder in Fig. 1;

Fig. 3 is a circuit principle block diagram of an embodiment of an automatic cleaning device for solar panels.

Detailed ways

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.

Embodiment 1, referring to Fig. 1, the solar panel automatic cleaning device of the present embodiment is mainly composed of a base box 7, a cleaning brush 4, a control panel 8, a motor 10 and the cleaning brush 4 driven by the motor 10 The daylighting panel 16 of the solar cell panel 1 is composed of a link mechanism and other parts that reciprocate to realize the cleaning function. Wherein, the base box 7 is used to fix the cleaning device on the solar panel 1 , and specifically, the clamping screw 5 can be used to realize the installation and fixation of the cleaning device with the frame of the solar panel 1 .

In the linkage mechanism, a brush holder 2, a swing rod 11 and a connecting rod 3 hinged between the brush holder 2 and the swing rod 11 can be set, and one end of the swing rod 11 is fixedly connected with the rotating shaft of the motor 10, and the other One end is hinged to the connecting rod 3, specifically, it can be hinged to one end of the connecting rod 3 through a pin; the other end of the connecting rod 3 is hinged to the brush holder 2 through a pin 15, as shown in Figure 2, preferably hinged on the The middle part of the frame 2 (the middle part here refers to the remaining parts except the two ends of the brush frame 2, which needs to be specifically determined according to the length of the swing rod 11 and the connecting rod 3). One end of the brush holder 2 is rotationally connected with the brush base 9, and the brush base 9 is fixedly installed on the base box 7. Cleaning brush 4 is installed on brush frame 2, and when brush frame 2 moves, just can drive cleaning brush 4 to move on the daylighting panel 16 of solar cell panel 1, finish the cleaning work of attachments such as dust, rain and snow.

As a preferred design solution of this embodiment, the cleaning brush 4 is preferably installed on the side of the brush holder 2 facing the daylighting panel 16 of the solar cell panel 1 , that is, the bottom surface of the brush holder 2 in the direction shown in FIG. 1 . The base box 7 is fixedly installed on the end of one side of the solar cell panel 1, such as the end of the long side, then the brush holder 2 should extend along the direction of the adjacent side of the solar cell panel 1 at the initial position, such as toward the solar cell The broadside direction of the plate 1 extends, and the length of the brush holder 2 and the length of the cleaning brush 4 installed on it are preferably equivalent to the broadside length of the daylighting panel 16 of the solar panel 1, that is, equal to or slightly less than that of the daylighting panel 16. Broadside length. As a result, when the brush holder 2 drives the cleaning brush 4 to rotate with the brush base 9 as a fulcrum, a maximum cleaning range can be obtained, which in turn helps to improve the photoelectric conversion efficiency of the solar cell panel 1 .

In order to clean the solar panel 1 automatically and timely by the cleaning device under special weather conditions such as rain and snow, a humidity sensor 6 is also provided in the cleaning device in this embodiment, which is installed on the base box 7. Used to detect ambient humidity. The humidity detection signal collected by the humidity sensor 6 is transmitted to the control board 8 through the signal line, so as to determine when to start the motor 10 to perform the cleaning process.

The control board 8 is used as the control core of the whole system, and is respectively connected with the humidity sensor 6 and the motor 10 correspondingly, as shown in FIG. 3 . When the control board 8 detects that the ambient humidity value corresponding to the humidity detection signal fed back by the humidity sensor 6 exceeds the pre-written set value, it thinks that the humidity of the external environment is too high, and rain and snow may occur, and then outputs a control signal Start the motor 10 to run, drive the connecting rod mechanism to drive the cleaning brush 4 to perform the cleaning work, and clean up the rainwater or snow accumulated on the daylighting panel 16 of the solar panel 1 in time.

Under other weather conditions, in order to regularly clean the dust accumulated on the daylighting panel 16 of the solar cell panel 1, it is preferable to install a time adjustment knob 12 on the base box 7 and connect the control panel 8 for convenience. The maintenance personnel change the set value of the regular cleaning time by operating the time adjustment knob 12 according to the environmental conditions in different regions.

As a preferred circuit design scheme of this embodiment, the time adjustment knob 12 can be connected to the knob of a potentiometer, the power supply terminal of the potentiometer is connected to a DC power supply, and the resistance of the potentiometer can be changed by rotating the time adjustment knob. value, and detect the change of the resistance value of the potentiometer through the control board, and then convert and generate the set value of the regular cleaning time and save it, so as to automatically control the cleaning brush 4 to perform regular cleaning work on the solar panel 1 according to the set value in the future.

Of course, the set value of the regular cleaning time can also be directly solidified in the software program of the system, and the control board 8 can directly call the set value to determine the cycle and frequency of cleaning during operation, and then control the cleaning brush 4 Perform regular cleaning work, which is not specifically limited in this embodiment.

The working power required by the electrical loads in the cleaning device can be directly converted and provided by the battery 14 connected to the solar panel 1 , as shown in FIGS. 1 and 3 . In this embodiment, the motor 10 is preferably a DC geared motor to facilitate the design of the power supply circuit. During the working period of the solar battery panel 1 , the electric energy converted by the solar battery panel 1 is output to the battery 14 to charge and store the battery 14 . The DC power output via the battery 14 can be stabilized by the voltage conversion circuit to generate the working power required by the control board 8 , the humidity sensor 6 , the DC gear motor 10 and the potentiometer, and supply power to these electrical loads through the power line 13 .

On the control board 8, the microprocessor is preferably used to cooperate with the peripheral circuit to form the main control circuit, and the different IO ports of the microprocessor are used to connect the humidity sensor 6, the DC gear motor 10 and the potentiometer to realize the collection of detection signals And the drive control of the motor 10.

In order to improve the reliability of the system, preferably the control board 8 , the motor 10 and the potentiometer are built in the base box 7 , and the rotating shaft of the motor 10 passes through the upper shell of the base box 7 and connects with the swing rod 11 . The humidity sensor 6 can be directly installed on the shell of the base box 7, or only its sensing contacts can be exposed from the shell of the base box, as shown in FIG. 1, so as to accurately sense the humidity change of the external environment.

The working process of the solar panel automatic cleaning device proposed in this embodiment will be described in detail below.

Normally, the solar panel 1 absorbs sunlight, converts it into electric energy to charge and store the battery 14 , and then uses the battery 14 to provide working power for the control board 8 . The maintenance personnel can set the regular cleaning time and frequency of the cleaning brush 4 through the time adjustment knob 12. For example, the cleaning cycle is set to be adjustable for 1 day, 2 days and 3 days, and each action time is 5 seconds, 10 seconds, 15 seconds and 30 seconds adjustable. The control panel 8 regularly drives the DC geared motor 10 to run according to the set time and frequency, and then drives the connecting rod mechanism to drive the cleaning brush 4 to automatically clean the dust, dirt, rainwater, and snow on the solar panel 1 . During cleaning, the DC geared motor 10 rotates once, drives the pendulum 11 to rotate once, and then drives the brush holder 2 to rotate 90 degrees counterclockwise and then 90 degrees clockwise to complete a reciprocating cleaning action process with the brush seat 9 as the fulcrum. In addition, when the control panel 8 judges that it is raining or snowing according to the humidity data collected by the humidity sensor 6, it drives the DC geared motor 10 to immediately clean the daylighting panel 16 of the solar panel 1, so as to achieve the maximum effect on the solar panel 1. Good cleaning effect.

Of course, the above description is not a limitation of the present utility model, and the present utility model is not limited to the above-mentioned examples. Those of ordinary skill in the art may make changes, modifications, additions or replacements within the essential scope of the present utility model. It should also belong to the protection scope of the present utility model.

Claims (10)

1. a solar panel automatic cleaning device is characterized in that: comprise being used for clearing apparatus is fixed on pedestal box, cleaning brush, linkage, motor, control panel and humidity sensor on the solar panel; Said cleaning brush is installed on the linkage, and linkage is by said motor-driven; Said humidity sensor testing environment humidity, and generate corresponding Humidity Detection signal and export control panel to; Said control panel is when detecting ambient humidity greater than setting value, and output control signal starter motor turns round, and then drive link mechanism drives cleaning brush reciprocally swinging cleaning on the daylighting panel of solar panel.

2. solar panel automatic cleaning device according to claim 1 is characterized in that: in said linkage, include fork, connecting rod and brush holder; One end of said fork is fixedly connected with the rotating shaft of motor, and an end of the other end of fork and connecting rod is hinged, and the other end and the brush holder of connecting rod are hinged, and an end of brush holder is rotationally connected with the brush holder that is fixed on the pedestal box.

3. solar panel automatic cleaning device according to claim 2 is characterized in that: the middle part of said connecting rod and brush holder is hinged through pin.

4. solar panel automatic cleaning device according to claim 2 is characterized in that: said cleaning brush is installed in brush holder on the side of solar panel daylighting panel.

5. solar panel automatic cleaning device according to claim 2; It is characterized in that: said pedestal box is installed in the end on the long limit of solar panel; Said brush holder extends to the broadside of solar panel, and the width edge length of length and the solar panel daylighting panel of cleaning brush is suitable on the brush holder.

6. solar panel automatic cleaning device according to claim 1 is characterized in that: said motor is a DC speed-reducing.

7. according to each described solar panel automatic cleaning device in the claim 1 to 6, it is characterized in that: said motor and control panel are installed in the pedestal box; The induction contact of said humidity sensor appears the housing induction external environment humidity of pedestal box, and the Humidity Detection signal of generation sends control panel to through holding wire.

8. according to each described solar panel automatic cleaning device in the claim 1 to 6; It is characterized in that: said pedestal box is provided with the time adjusting knob; Said time adjusting knob connects potentiometer knob; Through the resistance of rotational time adjusting knob change potentiometer, said potentiometer connects control panel, detects the change in resistance of potentiometer through control panel.

9. solar panel automatic cleaning device according to claim 8 is characterized in that: said control panel is provided with microprocessor, and said microprocessor is connected with humidity sensor, potentiometer and motor are corresponding respectively.

10. according to each described solar panel automatic cleaning device in the claim 1 to 6; It is characterized in that: said solar panel connects battery; Converting solar energy to electric energy is the charge in batteries accumulation of energy, and said battery is to described control panel, humidity sensor and motor transportation work power supply.

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