CN220692838U - A photovoltaic grid-connected access device - Google Patents

Abstract

The utility model relates to the technical field of photovoltaics and discloses a photovoltaic grid-connected access device which comprises a base, wherein a fixing rod is fixedly connected to the middle of the top surface of the base, a lifting rod is sleeved in the fixing rod, a connecting plate is fixedly connected to the top surface of the lifting rod, a motor base is fixedly connected to one side of the top surface of the connecting plate, a rotating assembly is fixedly connected to the top surface of the motor base, a mounting frame is fixedly connected to one side of the rotating assembly, and a photovoltaic panel is connected to the top surface of the mounting frame through screw threads. According to the photovoltaic grid-connected access device, the sunlight sensor senses the illumination direction through the arrangement of the rotating assembly, signals are transmitted to the controller, the A servo motor is controlled by the controller to drive the A transmission rod to rotate, the A gear and the B gear rotate, the installation frame drives the photovoltaic panel to rotate towards the illumination direction, the effect of automatically adjusting the angle of the photovoltaic panel is achieved, and the utilization rate of solar energy and the grid-connected power generation amount are improved.

Description

A photovoltaic grid-connected access device

Technical field

The utility model relates to the field of photovoltaic technology, and in particular to a photovoltaic grid-connected access device.

Background technique

Solar photovoltaic power generation relies on solar cell components and utilizes the electronic properties of semiconductor materials to convert light energy into electrical energy. The grid-connected power generation system uses photovoltaics to convert the received solar radiation energy into high-frequency direct current into high-voltage direct current, which is inverted by the inverter and then output to the grid.

A photovoltaic grid-connected power generation automation access device is disclosed in the public notice number CN213027918U. Although the bottom of the installation plate and the top of the column are hingedly fixed, the angle of the photovoltaic panel can be adjusted to facilitate the change of the direct sunlight angle. Change the direction of the photovoltaic panel to further improve the light energy conversion efficiency.

However, this photovoltaic grid-connected power generation automation access device has the following shortcomings: it is not convenient to brush off the dust on the surface of the photovoltaic panels. Photovoltaic panels are prone to accumulate a large amount of dust when left outdoors for a long time, affecting the light transmittance and the operation of the photovoltaic panels.

Utility model content

1. Technical issues to be solved

The technical problem solved by the utility model is to provide a photovoltaic grid-connected access device which is highly practical, can be easily operated and has a relatively simple structure, thereby solving the problem of inconvenience in brushing off dust on the surface of photovoltaic panels raised in the above-mentioned background technology.

(2) Technical solutions

In order to achieve the above objectives, the present utility model is realized through the following technical solutions: a photovoltaic grid-connected access device, including a base, a fixed rod is fixedly connected to the middle part of the top surface of the base, and a lifting rod is connected to the inner part of the fixed rod. Rod, the top surface of the lifting rod is fixedly connected with a connecting plate, one side of the top surface of the connecting plate is fixedly connected with a motor base, the top surface of the motor base is fixedly connected with a rotating assembly, one side of the rotating assembly A mounting frame is fixedly connected. The top surface of the mounting frame is connected to a photovoltaic panel through screw threads. One side of the photovoltaic panel is fixedly connected to a dust removal component. One side of the top surface of the photovoltaic panel is fixedly mounted with a sunlight sensor. One side of the top surface of the connecting plate is connected to the grid-connected inverter through screw threads, and a fixing base is fixedly connected to the middle of the top surface of the connecting plate.

Optionally, a threaded hole is provided at the top of the surface of the fixing rod, a threaded bolt penetrates the internal thread of the threaded hole, and a plurality of limiting holes matching the threaded bolt are provided at equal intervals along the axial direction on the surface of the lifting rod, and the limiting holes are used to fix the threaded bolt.

Optionally, the rotating assembly includes an A servo motor fixed on the top surface of the motor base, the output end of the A servo motor is splined to an A transmission rod, and one end of the A transmission rod is fixedly connected to the A gear, so One side of the A gear is meshed with the B gear. One side of the A gear and the B gear are both rotatably connected to the surface of the fixed seat. The surface of the mounting bracket is rotatably connected to the inside of the fixed seat. The mounting bracket facilitates driving the photovoltaic panels. Turn.

Optionally, the dust removal assembly includes a B servo motor fixed on one side of the photovoltaic panel. The output end of the B servo motor is splined to a B transmission rod, and one end of the B transmission rod is fixedly connected to a threaded screw rod. A dust removal brush is threadedly connected to the surface of the threaded screw rod. Chutes are provided on both sides of the top surface of the photovoltaic panel. The dust removal brush is slidingly connected to the inside of the chute. The dust removal brush is used to remove dust from the surface of the photovoltaic panel. remove.

Optionally, the sunlight sensor is electrically connected to a controller, the controller is electrically connected to the A servo motor, one side of the photovoltaic panel is electrically connected to the grid-connected inverter through a power cord, and the grid-connected inverter Inverters are used to convert electrical energy.

Optionally, four sets of universal wheels are fixedly connected in a rectangular array around the bottom surface of the base. Brake pads for braking are fixedly installed inside the four sets of universal wheels. The brake pads brake the universal wheels. move.

(3) Beneficial effects

The utility model provides a photovoltaic grid-connected access device, which has the following beneficial effects:

1. The photovoltaic grid-connected access device, through the setting of the rotating component, the sunlight sensor senses the direction of light and transmits a signal to the controller. The controller controls the A servo motor to drive the A transmission rod to rotate, so that the A gear and the B gear rotate, and the mounting frame drives the photovoltaic panel to rotate in the direction of light, thereby achieving the effect of automatically adjusting the angle of the photovoltaic panel, improving the utilization rate of solar energy and the power generation of the grid.

2. The photovoltaic grid-connected access device, through the setting of the dust removal component, is connected to the external power supply so that after the B servo motor is energized, it drives the B transmission rod to rotate, which in turn drives the threaded screw to rotate, causing the dust removal brush to translate on the surface of the photovoltaic panel, thereby It achieves the effect of removing dust on the surface of photovoltaic panels and prevents dust from affecting the work of photovoltaic panels.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a schematic diagram of the overall split structure of the utility model;

Figure 3 is a schematic structural diagram of the dust removal assembly of the present utility model;

Figure 4 is a schematic structural diagram of the rotating assembly of the present utility model;

Figure 5 is a schematic structural diagram of the lifting rod of the present utility model.

In the picture: 1. Base; 2. Fixed rod; 3. Lifting rod; 4. Connecting plate; 5. Motor base; 6. Rotating component; 601. A servo motor; 602. A transmission rod; 603. A gear; 604 , B gear; 7. Mounting frame; 8. Photovoltaic panel; 9. Dust removal component; 901. B servo motor; 902. B transmission rod; 903. Threaded screw rod; 904. Dust removal brush; 10. Sunlight sensor; 11. And Network inverter; 12. Fixing base; 13. Threaded bolt; 14. Universal wheel.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1 to 5. The present utility model provides a technical solution: a photovoltaic grid-connected access device, including a base 1, a fixed rod 2 fixedly connected to the middle of the top surface of the base 1, and an internal socket of the fixed rod 2 There is a lifting rod 3. The top surface of the lifting rod 3 is fixedly connected with a connecting plate 4. One side of the top surface of the connecting plate 4 is fixedly connected with a motor base 5. The top surface of the motor base 5 is fixedly connected with a rotating assembly 6. Through the rotating assembly 6 In the setting of The direction of the light is rotated, thereby achieving the effect of automatically adjusting the angle of the photovoltaic panel 8, improving the utilization rate of solar energy and the power generation capacity of the grid. One side of the rotating assembly 6 is fixedly connected with a mounting bracket 7, and the top surface of the mounting bracket 7 passes through The photovoltaic panel 8 is connected with the screw thread, and a dust removal component 9 is fixedly connected to one side of the photovoltaic panel 8. Through the setting of the dust removal component 9, the external power supply is connected, so that after the B servo motor 901 is energized, it drives the B transmission rod 902 to rotate, and then drives the threaded wire The rod 903 rotates, causing the dust removal brush 904 to translate on the surface of the photovoltaic panel 8, thereby achieving the effect of removing dust on the surface of the photovoltaic panel 8, and preventing dust from affecting the work of the photovoltaic panel 8. A sunlight sensor 10 is fixedly installed on one side of the top surface of the photovoltaic panel 8 , one side of the top surface of the connecting plate 4 is connected with the grid-connected inverter 11 through screw threads, and the middle part of the top surface of the connecting plate 4 is fixedly connected with a fixing base 12;

A threaded hole is provided at the top of the surface of the fixing rod 2, and a threaded bolt 13 is passed through the internal thread of the threaded hole. A plurality of limit holes matching the threaded bolt 13 are provided at equal intervals along the axial direction on the surface of the lifting rod 3. The setting of the lifting rod 3 can adjust the height of the photovoltaic panel 8.

The rotating assembly 6 includes an A servo motor 601 fixed on the top surface of the motor base 5. The output end of the A servo motor 601 is splined with an A transmission rod 602. One end of the A transmission rod 602 is fixedly connected with an A gear 603. The A gear 603 is One side is engaged with B gear 604, one side of A gear 603 and B gear 604 are both rotationally connected to the surface of the fixed base 12, and the surface of the mounting bracket 7 is rotationally connected to the inside of the fixed base 12;

The dust removal assembly 9 includes a B servo motor 901 fixed on one side of the photovoltaic panel 8. The output end of the B servo motor 901 is splined with a B transmission rod 902. One end of the B transmission rod 902 is fixedly connected with a threaded screw rod 903. The threaded screw rod A dust removal brush 904 is threadedly connected to the surface of the photovoltaic panel 8. Chutes are provided on both sides of the top surface of the photovoltaic panel 8. The dust removal brush 904 is slidingly connected to the inside of the chute. Through the setting of the rotating assembly 6, the sunlight sensor 10 senses the direction of the light and moves it toward the sun. The controller transmits a signal, and controls the A servo motor 601 to drive the A transmission rod 602 to rotate, causing the A gear 603 and the B gear 604 to rotate, and the mounting bracket 7 drives the photovoltaic panel 8 to rotate in the direction of light, thereby achieving automatic adjustment of the photovoltaic The effect of the 8 angles of the panels improves the utilization rate of solar energy and the amount of power generated by the grid;

The sunlight sensor 10 is electrically connected to a controller, and the controller is electrically connected to the A servo motor 601. One side of the photovoltaic panel 8 is electrically connected to the grid-connected inverter 11 through the power cord, and is controlled through the setting of the controller. A: The function of servo motor 601 rotation;

Four sets of universal wheels 14 are fixedly connected to the bottom surface of the base 1 in a rectangular array. Brake pads for braking are fixedly installed inside the four sets of universal wheels 14. Through the arrangement of the universal wheels 14, the base 1 can be moved. role.

In this utility model, the working steps of the device are as follows:

The first step: the sunlight sensor 10 senses the direction of light, transmits a signal to the controller, and controls the A servo motor 601 through the controller to drive the A transmission rod 602 to rotate, causing the A gear 603 and the B gear 604 to rotate;

The second step: the mounting frame 7 drives the photovoltaic panel 8 to rotate in the direction of light, and automatically adjusts the angle of the photovoltaic panel 8;

The third step: Connect the external power supply so that after the B servo motor 901 is energized, it drives the B transmission rod 902 to rotate, and then drives the threaded screw 903 to rotate, so that the dust removal brush 904 translates on the surface of the photovoltaic panel 8 to remove dust on the surface of the photovoltaic panel 8 and avoid Dust affects the work of photovoltaic panels 8.

It should be noted that the equipment structure and drawings of the present utility model mainly describe the principle of the present utility model. In terms of the technical design principle, the settings of the device's power mechanism, power supply system and control system are not fully described. On the premise that those skilled in the art understand the principles of the above utility model, they can clearly know the details of its power mechanism, power supply system and control system. The control method of the application document is automatically controlled by a controller, and the control circuit of the controller is through Those skilled in the field can implement this through simple programming;

The standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as bolts, rivets, and welding that are mature in the existing technology. , the machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components are known to those skilled in the art through technical manuals or through conventional experimental methods.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a photovoltaic grid-connected access device, includes base (1), its characterized in that: the utility model discloses a solar energy power generation system, including base (1), lifter (3) have been cup jointed to the middle part fixedly connected with dead lever (2) of base (1) top surface, lifter (3)'s top surface fixedly connected with connecting plate (4), one side fixedly connected with motor cabinet (5) of connecting plate (4) top surface, the top surface fixedly connected with rotating assembly (6) of motor cabinet (5), one side fixedly connected with mounting bracket (7) of rotating assembly (6), the top surface of mounting bracket (7) is through screw threaded connection photovoltaic board (8), one side fixedly connected with dust removal component (9) of photovoltaic board (8), one side fixedly connected with sun light sensor (10) of photovoltaic board (8) top surface, one side of connecting plate (4) top surface is through screw threaded connection has grid-connected inverter (11), the middle part fixedly connected with fixing base (12) of connecting plate (4) top surface.

2. The photovoltaic grid-tie access device of claim 1, wherein: threaded holes are formed in the top of the surface of the fixed rod (2), threaded bolts (13) penetrate through internal threads of the threaded holes, and a plurality of limiting holes matched with the threaded bolts (13) are formed in the surface of the lifting rod (3) at equal intervals along the axial direction.

3. The photovoltaic grid-tie access device of claim 1, wherein: the rotating assembly (6) comprises an A servo motor (601) fixed on the top surface of a motor base (5), an A transmission rod (602) is connected to the output end of the A servo motor (601) through a spline, an A gear (603) is fixedly connected to one end of the A transmission rod (602), a B gear (604) is meshed to one side of the A gear (603), one sides of the A gear (603) and the B gear (604) are rotationally connected to the surface of a fixed base (12), and the surface of a mounting frame (7) is rotationally connected to the inside of the fixed base (12).

4. The photovoltaic grid-tie access device of claim 1, wherein: the dust removal assembly (9) comprises a B servo motor (901) fixed on one side of a photovoltaic panel (8), a B transmission rod (902) is connected to the output end of the B servo motor (901) through a spline, a threaded screw rod (903) is fixedly connected to one end of the B transmission rod (902), a dust removal brush (904) is connected to the surface of the threaded screw rod (903) through threads, sliding grooves are formed in two sides of the top surface of the photovoltaic panel (8), and the dust removal brush (904) is connected to the inside of the sliding grooves in a sliding mode.

5. The photovoltaic grid-tie access device of claim 1, wherein: the solar sensor (10) is electrically connected with a controller, the controller is electrically connected with the A servo motor (601), and one side of the photovoltaic panel (8) is electrically connected with the grid-connected inverter (11) through a power line.

6. The photovoltaic grid-tie access device of claim 1, wherein: four groups of universal wheels (14) are fixedly connected to the periphery of the bottom surface of the base (1) in a rectangular array, and brake pads for braking are fixedly arranged in the four groups of universal wheels (14).