CN111464126A - Louvered self-adjusting household photovoltaic system with protection device - Google Patents

Abstract

The invention discloses a shutter-type self-adjusting household photovoltaic system with a protective device, comprising a shutter-type photovoltaic panel, a photosensitive sensor, a humidity sensor, a control unit, a driving motor, a transmission device and a shading screen. By presetting the precise calculation results of the hourly incident angle of sunlight in the control system, the automatic real-time adjustment of the angle of the photovoltaic louvers can be realized, so as to maximize the shading effect and production efficiency. At the same time, the design of the louver reduces the impact on indoor lighting compared to the whole photovoltaic panel. Through the simultaneous monitoring of the photosensitive sensor and the humidity sensor, in rainy weather, the driving device pulls the shielding curtain to shield the photovoltaic panel, so as to avoid the erosion of the photovoltaic panel by rain and prolong its service life. The electric energy generated by the photovoltaic panels after collecting sunlight can be charged to the battery to supply power to the drive motor, control unit or other DC equipment, and can also be converted into the AC power used by the building daily through the inverter.

Description

A louvered self-adjusting household photovoltaic system with protective device

technical field

The invention belongs to the technical field of solar energy, and in particular relates to a shutter-type self-adjusting household photovoltaic system with a protective device.

Background technique

my country's building energy consumption accounts for 21.11% of the national energy consumption, and the heat gain from external windows is the main source of building energy consumption, making building shading a hot issue in the field of building energy conservation. Combining building exterior shading products with solar photovoltaic panels can not only meet shading needs but also play a role in production capacity.

As a new type of clean energy, solar energy plays an important role in the long-term energy strategy. However, the production capacity of solar photovoltaic panels is seriously affected by the weather. In rainy weather, not only can they not absorb enough sunlight, but they will also be affected by rain, which seriously shortens their service life.

SUMMARY OF THE INVENTION

Purpose of the invention, the purpose of the present invention is to combine external sunshade and solar photovoltaic technology to provide a shutter-type self-adjusting household photovoltaic system with protective device for building exterior windows, and the shutter-type photovoltaic panel is used as a building sunshade component. , play the role of shading, and have the function of outputting electricity. By presetting the precise calculation results of the hourly incident angle of sunlight in various places in the control system, the automatic real-time adjustment of the angle of the photovoltaic louver is realized. In rainy weather, the protective device is driven to pull the shielding curtain to shield the photovoltaic panels from rainwater, so as to avoid the erosion of the photovoltaic panels by rainwater and prolong their service life.

Technical scheme, in order to achieve the above purpose, the present invention proposes a shutter-type self-adjusting household photovoltaic system with protective device for building exterior windows, the system includes shutter-type photovoltaic panels, photovoltaic panel frames, photosensitive sensors, control units, drive motor; the louvered photovoltaic panel is located on the upper surface of the photovoltaic panel frame, and is composed of several strip-shaped photovoltaic panels arranged in parallel; and both ends of the strip-shaped photovoltaic panel are provided with rotating shafts, the rotating shaft and the photovoltaic panel frame two side connection, the photosensitive sensor is wet on the outer end face of the photovoltaic panel frame; the photosensitive sensor detects the outdoor sunlight data in real time, and transmits the real-time outdoor light intensity signal to the control unit, and the control unit is based on the acquired sunlight data. Calculate the incident angle of sunlight, and according to this angle, the control unit drives the rotating shaft to adjust the angle of the strip photovoltaic panel in real time by driving the motor.

Further, the photovoltaic panel frame is fixedly installed above the outer window, and is laterally connected to the outer window through a steel structure.

Further, guide rails are installed on both edges of the photovoltaic panel frame.

Further, the electric energy generated by the strip-shaped photovoltaic panels after collecting sunlight can be charged to the battery to supply power to the driving motor, the control unit or other DC equipment, and can also be converted into alternating current through the inverter.

Further, a humidity sensor is also provided on the outer end surface of the photovoltaic panel frame.

Further, the upper surface of the photovoltaic panel frame is provided with a rolling tube, the two ends of the rolling tube are connected with the transmission case, the shielding curtain is located on the surface of the rolling tube, and the outer corner of the lower end of the shielding curtain is connected with the transmission pulley, The photosensitive sensor detects the outdoor solar illumination data value in real time, and transmits the real-time outdoor illumination intensity signal to the control unit; the humidity sensor detects the outdoor air humidity value in real time, and transmits the real-time outdoor air humidity signal to the control unit. The value is less than the preset light condition value, and the air humidity value conforms to the preset characteristic value of rainy weather. The control unit controls the rotation of the transmission box through the drive motor to make the pulley move forward in the guide rail, and then controls the shading screen to stretch on the louvered photovoltaic panel. surface.

Further, if the light data value is greater than the preset light condition value, and the air humidity value does not meet the preset rainy weather characteristic value, the control unit controls the transmission box to rotate through the drive motor, so that the pulley moves in the reverse direction in the guide rail, and then controls the The screen is accommodated on the surface of the reel.

Beneficial effect: Compared with the prior art, the technical scheme of the present invention has the following advantages:

(1) The angle of the photovoltaic louver is automatically adjusted with the change of the incident angle of the sunlight and the outdoor light intensity, so as to maximize the shading effect and the productivity benefit. At the same time, the design of the louver does not affect the indoor lighting compared with the whole photovoltaic panel.

(2) Through the simultaneous monitoring of the photosensitive sensor and the humidity sensor, in rainy weather, the protective device is driven to pull the shielding curtain to shield the photovoltaic panel from rainwater, so as to avoid the erosion of the photovoltaic panel by rain and prolong its service life.

Description of drawings

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

Fig. 2 is the side installation schematic diagram of the present invention;

3 is a schematic diagram of a transmission device in the present invention;

Among them, 1-strip photovoltaic panel, 2-frame, 3-photosensitive sensor, 4-humidity sensor, 5-transmission device, 6-drive motor, 7-steel structure, 8-screening curtain, 9-transmission box, 10- Guide rails, 11—transmission pulley, 12—rolling tubes, 13—windows.

Detailed ways

The specific embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in Figures 1 to 3, a shuttered self-adjusting household photovoltaic system with protective device for building exterior windows, the system includes shuttered photovoltaic panels, a photosensitive sensor 3, a humidity sensor 4, a control unit, a drive The motor 6, the transmission device 5, and the shielding curtain 8.

The louvered photovoltaic panel is located on the upper surface of the frame 2, which is composed of several strip-shaped photovoltaic panels 1 arranged in parallel; and both ends of the strip-shaped photovoltaic panel 1 are provided with rotating shafts, and the rotating shafts are connected with the frame 2 through the rotating shaft. The angle of the strip photovoltaic panel can be adjusted.

The frame 2 is fixedly installed above the outer window, and is laterally connected to the outer window through the steel structure 7 .

The control system includes a photosensitive sensor 3, a humidity sensor 4 and a control unit, the photosensitive sensor 3 detects the outdoor sunlight intensity in real time, and transmits the real-time outdoor light intensity signal to the control unit, and the humidity sensor 4 detects the outdoor air humidity in real time, and sends The real-time outdoor air humidity signal is sent to the control unit; the control unit receives the real-time outdoor light intensity signal and the real-time outdoor air humidity signal. When the light intensity signal and the air humidity signal meet the preset requirements at the same time, such as the characteristics of rainy weather, the control unit will send the signal to the control unit. The motor driver 6 sends an instruction to make the drive motor output a corresponding torque to drive the transmission of the shading screen 8; the control unit is also equipped with the accurate calculation result of the local hourly incident angle of sunlight, and the angle signal sends an instruction to the drive motor 6 to Drive the shaft to change the angle of the photovoltaic shutters.

The drive motor 6 is also used to drive the operation of the transmission device, and the transmission device includes a transmission box 9 and a transmission pulley 11 . The transmission box 9 contains gears and transmission belts, which can control the forward and reverse movement of the pulley 11 in the guide rail; the corners of the shielding screen 8 are connected with the transmission pulley 11, and are stored on the surface of the roll tube 12 in sunny weather, and are replaced by The motor 6 drives the transmission box 9 to move the pulley 11 in the guide rail to realize the extension of the shielding curtain 8, covering the photovoltaic panel to block rainwater erosion; the shielding curtain 8 and the roll tube 12 are detachable for easy cleaning and replacement.

The electric energy generated by the strip-shaped photovoltaic panel 1 after collecting sunlight can be charged to the battery to supply power to the driving motor 6, the control unit or other DC devices, and can also be converted into AC power for daily use through the inverter.

Claims (7)

1. A louvered self-adjusting household photovoltaic system with a protection device for an external window of a building is characterized by comprising a louvered photovoltaic panel, a photovoltaic panel frame, a photosensitive sensor, a control unit and a driving motor; the louver-type photovoltaic panel is positioned on the upper surface of the photovoltaic panel frame and consists of a plurality of strip-shaped photovoltaic panels which are arranged in parallel; rotating shafts are arranged at two ends of the strip-shaped photovoltaic panel and connected with two sides of the photovoltaic panel frame, and the photosensitive sensor is positioned on the end face of the outer side of the photovoltaic panel frame; the photosensitive sensor detects outdoor solar illumination data in real time and transmits real-time outdoor illumination intensity signals to the control unit, the control unit calculates the sunlight incidence angle according to the acquired solar illumination data, and according to the sunlight incidence angle, the control unit drives the rotating shaft to adjust the angle of the strip-shaped photovoltaic panel in real time through the driving motor.

2. The louvered self-adjusting residential photovoltaic system with protective devices for an exterior window of a building as claimed in claim 1, wherein the photovoltaic panel frame is fixedly mounted above the exterior window and is connected with the exterior window in a transverse direction through a steel structure.

3. The louvered self-adjusting residential photovoltaic system with a protective device for an exterior window of a building as claimed in claim 1 or 2, wherein guide rails are installed at two side edges of the photovoltaic panel frame.

4. The louvered self-adjusting residential photovoltaic system with the protective device for the building exterior window, as claimed in claim 1 or 2, wherein the electrical energy generated by the strip-shaped photovoltaic panels after collecting sunlight can be charged to a storage battery, used for supplying power to a driving motor, a control unit or other direct current equipment, and can be converted into alternating current through an inverter.

5. The louvered self-adjusting residential photovoltaic system with a protective device for an exterior window of a building according to claim 1 or 2, wherein a humidity sensor is further arranged on the outer end face of the photovoltaic panel frame.

6. The louvered self-adjusting residential photovoltaic system with the protective device for the external window of the building as claimed in claim 5, wherein a roller pipe is installed on the upper end surface of the photovoltaic panel frame, two ends of the roller pipe are connected with a transmission case, a shielding curtain is positioned on the surface of the roller pipe, the lower outer side corner of the shielding curtain is connected with a transmission pulley, the photosensitive sensor detects the outdoor solar illumination data value in real time and transmits a real-time outdoor illumination intensity signal to the control unit; humidity transducer real-time detection outdoor air humidity value to carry the control unit with real-time outdoor air humidity signal, if the illumination data value is less than predetermined illumination condition value, and the air humidity value accords with and predetermines overcast and rainy weather characteristic value, thereby the control unit passes through driving motor control transmission case and rotates and make the coaster forward movement in the guide rail, and then control the screen extension at shutter formula photovoltaic board surface.

7. The louvered self-adjusting residential photovoltaic system with the protective device for the exterior window of the building as claimed in claim 6, wherein if the illumination data value is greater than a preset illumination condition value and the air humidity value does not conform to a preset rainy weather characteristic value, the control unit controls the transmission case to rotate through the driving motor so as to enable the pulley to move reversely in the guide rail, and further controls the shielding curtain to be stored on the surface of the roller pipe.

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