CN110726110A - A new type of photovoltaic solar street light and its control method - Google Patents

Abstract

A novel photovoltaic solar street lamp and a control method thereof relate to the technical field of solar street lamps, in particular to a novel photovoltaic solar street lamp and a control method thereof. It includes a flange, a light pole, a battery, a control box, a controller, a steering gear, a gear, a photovoltaic panel, a sensing unit, and a lamp. The lower end of the light pole is fixed on the flange, and the upper end of the light pole is fixed on the flange. A control box is arranged, a controller is arranged inside the control box, the controller is connected with the battery, a steering gear is arranged on the upper end of the inside of the control box, the steering gear is fixed on the gear, the gear is arranged on the top of the inside of the control box, and the control box A photovoltaic cell panel is arranged above the photovoltaic cell panel, a sensing unit is arranged on the photovoltaic cell panel, and the lamp is fixed on the lamp pole. After adopting the above technical scheme, the present invention has the beneficial effects that the structure is simple, the solar energy can be fully utilized, the energy is saved, and the practicability is strong.

Description

A new type of photovoltaic solar street light and its control method

technical field

The invention relates to the technical field of solar street lamps, in particular to a novel photovoltaic solar street lamp and a control method thereof.

Background technique

As the main equipment for urban (or high-speed) road lighting and public landscape lighting, street lights are huge in number and consume a lot of energy. At present, the energy used by street lights includes grid electricity and solar energy. As a green energy, solar energy is the development trend of street lamp energy. Photovoltaic cell panel is a device for photoelectric conversion using the principle of photovoltaic power generation, and is the core part of the solar power generation system.

Due to the rotation of the earth, relative to a solar photovoltaic power generation system at a fixed location, the sun rises and sets every day in the four seasons of a year, spring, summer, autumn and winter, and the sun's illumination angle changes all the time. Only by ensuring that the photovoltaic panels can always face the sun , the photoelectric conversion efficiency will reach the best state. However, at present, photovoltaic panels are fixed to the south (or southwest) direction, and the maximum efficiency of energy conversion can only be achieved at noon. Therefore, designing a photovoltaic panel that can track the position of the sun as an energy source for street lights will greatly Improve the utilization rate of solar energy and save the power consumption of street lighting.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a novel photovoltaic solar street lamp and a control method thereof in view of the defects and deficiencies of the prior art, which has a simple structure, can fully utilize the solar energy, saves energy, and is highly practical.

In order to achieve the above purpose, the present invention adopts the following technical solutions: it comprises a flange 1, a light pole 2, a battery 3, a control box 4, a controller 41, a steering gear 5, a gear 6, a photovoltaic panel 7, a sensing unit 8. Lamp 9, the lower end of the lamp pole 2 is fixed on the flange 1, the upper end of the lamp pole 2 is provided with a control box 4, and a controller 41 is arranged inside the control box 4, and the controller 41 is in phase with the battery 3. Connection, the upper end of the control box 4 is provided with a steering gear 5, the steering gear 5 is fixed on the gear 6, the gear 6 is arranged at the top of the inside of the control box 4, and a photovoltaic cell panel 7 is arranged above the control box 4. The photovoltaic cell panel 7 is provided with a sensing unit 8 , and the lamp 9 is fixed on the light pole 2 .

A control method of a new type of photovoltaic solar street light is: using Arduino UNO R3 as the controller board, and additional modules can be added according to the actual needs of the site to detect environmental changes or play a role in assisting adjustment, such as wind speed and temperature sensors, etc.; The controller 41, the sensing unit 8 and the steering gear 5 form a solar tracker module group, which uses the four-quadrant photosensitive sensor matrix to compare the intensity of sunlight in different directions. The shaft system rotates to realize the rotation of the solar panel in the horizontal plane and the vertical plane, so that the sun directly hits the photovoltaic panel to achieve the purpose of tracking the position of the sun. The control system adopts a closed-loop control method. Feedback to the input end of the tracking controller; the sensor unit 8 on the solar tracker module group will judge the environment (day/night) where the street light is located. When the system judges that the street light is in the daytime and the sunlight intensity reaches the previously set threshold At the same time, the sensor unit 8 will judge the position of the sun in real time and drive the photovoltaic panels to align with the sun through the sun tracker, so that it can perform high-efficiency photoelectric conversion at all times; When the system judges that the sunlight intensity is lower than the set threshold at this time, that is, the environment where the street lamp is located is a low-light environment such as dark night or cloudy sky, then the solar tracker will drive the photovoltaic panel to reset to wait for the next sun rise. , while the street lights are illuminated by the electrical energy stored in the battery.

The controller 41 is an Arduino UNO R3 controller.

The controller 41 includes a wind speed module and a temperature module.

The controller 41, the sensing unit 8 and the steering gear 5 form a solar tracker module group.

The battery 3 and the photovoltaic panel 7 form a power supply system.

The working principle of the present invention: the flange 1 is a connecting piece for fixing the light pole on the ground, the light pole 2 is a supporting member for installing the lamps 9 and photovoltaic panels 7, etc., and the battery 3 is used to store (release) electric energy, The controller 4 receives and compares the signals of the sensing unit 8, and sends motion control commands to the steering gear 5 and the gear 6. The steering gear 5 and the gear 6 are used to receive the command from the control 4 and drive the photovoltaic panel 7 to rotate with the sun.

After adopting the above technical scheme, the present invention has the beneficial effects of simple structure, full utilization of solar energy, energy saving and strong practicability.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of the side of the present invention;

Fig. 3 is the structural representation of solar tracker module group in the present invention;

Fig. 4 is the overall control system block diagram of the solar tracker of the present invention;

5 is a four-quadrant layout diagram of a photosensitive sensor in the present invention;

FIG. 6 is a flow chart of the control system of the solar tracker in the present invention.

Description of reference numerals: flange 1 , light pole 2 , battery 3 , control box 4 , controller 41 , steering gear 5 , gear 6 , photovoltaic cell panel 7 , sensing unit 8 , lamp 9 .

Detailed ways

1-6, the technical solution adopted in this specific embodiment is that it includes a flange 1, a light pole 2, a battery 3, a control box 4, a controller 41, a steering gear 5, a gear 6, and a photovoltaic panel. 7. The sensing unit 8, the lamp 9, the lower end of the lamp pole 2 is fixed on the flange 1, the upper end of the lamp pole 2 is provided with a control box 4, and the inside of the control box 4 is provided with a controller 41, the controller 41 is connected to the battery 3, the upper end of the control box 4 is provided with a steering gear 5, the steering gear 5 is fixed on the gear 6, the gear 6 is arranged at the top of the inside of the control box 4, and a photovoltaic cell panel is arranged above the control box 4 7. The photovoltaic cell panel 7 is provided with a sensing unit 8, the lamp 9 is fixed on the light pole 2, the light pole 2 is a supporting member, and the power supply system includes the photovoltaic cell panel 7 and the battery 3; The radiation capacity of the solar cell is converted into electrical energy, or sent to the battery 3 for storage, or to drive the load to work; the battery 3 is an electrical energy storage unit, and the DC power generated by the photovoltaic cell components enters the battery for storage, and its capacity is subject to the terminal power demand, sunshine time (power generation). The main function of the controller 41 is to keep the solar power generation system in the vicinity of the maximum power point of power generation to obtain the highest efficiency; in the program design, it includes the reading and processing of the light intensity data of the photoresistor and the control of the level rudder It is necessary to consider the rotation of the motor and the pitch servo, and also need to consider the judgment at night and the reset of the servo.

The working principle of the present invention: the flange 1 is a connecting piece for fixing the light pole on the ground, the light pole 2 is a supporting member for installing the lamps 9 and photovoltaic panels 7, etc., and the battery 3 is used to store (release) electric energy, The controller 4 receives and compares the signals of the sensing unit 8, and sends motion control commands to the steering gear 5 and the gear 6. The steering gear 5 and the gear 6 are used to receive the command from the control 4 and drive the photovoltaic panel 7 to rotate with the sun.

After adopting the above technical scheme, the present invention has the beneficial effects of simple structure, full utilization of solar energy, energy saving and strong practicability.

The above is only used to illustrate the technical solution of the present invention and not to limit it. Other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solution of the present invention, as long as they do not depart from the spirit and scope of the technical solution of the present invention, should be Included within the scope of the claims of the present invention.

Claims (6)

1. A new type of photovoltaic solar street lamp, characterized in that: it comprises a flange (1), a light pole (2), a battery (3), a control box (4), a controller (41), a steering gear (5) , gear (6), photovoltaic cell panel (7), sensing unit (8), lamp (9), the lower end of the light pole (2) is fixed on the flange (1), the light pole (2) A control box (4) is arranged at the upper end of the control box (4), a controller (41) is arranged inside the control box (4), the controller (41) is connected with the battery (3), and a rudder is arranged at the upper end of the inside of the control box (4). The engine (5), the steering gear (5) is fixed on the gear (6), the gear (6) is arranged at the top of the inside of the control box (4), and a photovoltaic cell panel (7) is arranged above the control box (4). A sensing unit (8) is arranged on the battery plate (7), and the lamp (9) is fixed on the lamp pole (2). 2. A control method for a new type of photovoltaic solar street lamp, characterized in that: the control method is: using Arduino UNO R3 as the controller main board, and at the same time according to the actual needs of the site, additional modules can be added to detect environmental changes or assist in adjustment. For example, wind speed and temperature sensors, etc.; the controller (41), the sensing unit (8) and the steering gear (5) form a solar tracker module group, which uses a four-quadrant photosensitive sensor matrix to compare the intensity of sunlight in different directions and track the The controller judges the direct sunlight angle, issues commands, drives the motor to rotate, and drives the shaft system to rotate to realize the rotation of the solar panel in the horizontal plane and the vertical plane, so that the sun directly hits the photovoltaic panel and achieves the purpose of tracking the position of the sun. The system adopts a closed-loop control method, and the angle turned by the photovoltaic panel is fed back to the input end of the tracking controller by the angle sensor; the sensing unit (8) on the solar tracker module group will judge the environment (day/night) where the street light is located (day/night). , when the system judges that the street light is in the daytime and the sunlight intensity reaches the previously set threshold, the street light will remain off and store energy through the photovoltaic panels, and the sensing unit (8) will judge the position of the sun in real time and track the sun through the sun. When the system judges that the sunlight intensity is lower than the set threshold value, that is, the environment where the street lamp is located is dark or cloudy In a low-light environment, the solar tracker will drive the photovoltaic panel to reset to wait for the next sun rise, while the street lamp will provide lighting through the electric energy stored in the battery. 3. A new type of photovoltaic solar street lamp according to claim 1, characterized in that: the controller (41) is an Arduino UNO R3 controller. 4. A new type of photovoltaic solar street light according to claim 1, characterized in that: the controller (41) comprises a wind speed module and a temperature module. 5. A new type of photovoltaic solar street light according to claim 1, characterized in that: the controller (41), the sensing unit (8) and the steering gear (5) form a solar tracker module group. 6. A new type of photovoltaic solar street light according to claim 1, characterized in that: the battery (3) and the photovoltaic panel (7) constitute a power supply system.

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