CN213953467U

CN213953467U - Atomizing photovoltaic shutter

Info

Publication number: CN213953467U
Application number: CN202021076031.2U
Authority: CN
Inventors: 白建波; 黄嘉盛; 陶小惠
Original assignee: Changzhou Campus of Hohai University
Current assignee: Changzhou Campus of Hohai University
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-08-13
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a spray type photovoltaic shutter, the shutter blade of the utility model can automatically adjust the blade angle according to the climate condition of the external environment and the change of the sun operation all the year round; the sprayer nozzle can spray according to the temperature of the surface of the solar cell panel and the size of a sheltered area possibly caused by dust. The shutter blades and the water spraying temperature reducing device are controlled by respective stepping motors. The joint movement of the plurality of louvers is achieved by the pulling action of the pull rod. The device can avoid the harm that hot spot effect brought that particulate matters such as dust that exist on the shutter blade arouse, and simultaneously, the water smoke that the atomizer shower nozzle spun slowly cools down to solar cell panel on the shutter blade, and water smoke can realize whole cooling to the device along with the air current diffusion.

Description

Atomizing photovoltaic shutter

Technical Field

The utility model relates to an atomizing photovoltaic shutter belongs to solar photovoltaic technical field.

Background

With the technological progress and the economic soaring, the shortage of fossil energy makes people more keen about the development of new energy, solar energy is a new renewable energy, the global yield of photovoltaic power generation is increased year by year from the annual yield of 2000 plus 2011, and the photovoltaic power generation leads to an energy utilization structure by 2050 years according to the prediction of the accumulated installed photovoltaic data in China, but at present, China is the first photovoltaic module manufacturer in the world, and the yield of photovoltaic cells accounts for 73.2% of the total world yield. In recent years, photovoltaic power generation has become economical and feasible through development and research of photovoltaic power generation, and therefore photovoltaic power generation is an effective form of solar energy utilization.

Nowadays, the combination of photovoltaic power generation and buildings is an important development direction for large-scale popularization and application of photovoltaic power generation, and the combination of photovoltaic power generation and buildings and sun shading is one of main implementation forms of the photovoltaic power generation, and has important significance for saving building energy consumption, improving indoor environment, adjusting indoor load, replacing traditional petrochemical energy with renewable energy and the like.

The current development bottlenecks are mainly two major problems, namely, when the photovoltaic panel is radiated by sunlight, the conversion rate of the photovoltaic panel is reduced due to overhigh surface temperature; secondly, the solar panel is difficult to remove after stains exist on the photovoltaic panel of the louver, and a serious hot spot effect can be caused at the same time, so that the solar panel is damaged. The existing enterprises provide a treatment method for the two problems, wherein the motor cleaning agent is sprayed on the surface of the shutter photovoltaic panel, and the function of cooling the shutter photovoltaic panel is realized on the basis of dust removal; in addition, a ventilation photovoltaic tile based on wind energy is built on the photovoltaic shutter, a floating ball is arranged, and local negative pressure is built, so that the bottom of the photovoltaic panel is smoothly ventilated, the damage of the geothermal spot effect caused by dust particles is effectively avoided, and the cooling of air convection heat exchange is realized. The above implementation method causes various problems of the device. Specifically, the existing invention adopts automatic spraying of a cleaning agent to cool and remove dust from the blades, but the odor volatilized by the cleaning agent easily causes discomfort to users and even harms the health of the users; in addition, a floating ball is arranged to establish local low pressure, but the whole louver is not attractive and is difficult to attract customers. In addition, the existing cost for realizing the cooling and dedusting functions is difficult to control at a lower level, and the development of the industry is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an atomizing photovoltaic shutter, simple structure, it is convenient to use, can overcome the problem that prior art can not solve.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a spray type photovoltaic shutter comprises a transmission mechanism, a water spray temperature reduction device and an electric power system; the transmission mechanism comprises a plurality of shutter blades, a plurality of rotating shafts, a plurality of rotating shaft sleeves, a pull rod, a left vertical beam, a right vertical beam, a lower cross beam and an upper cross beam; the left vertical beam and the right vertical beam are vertically arranged in parallel, the lower cross beam and the upper cross beam are horizontally arranged in parallel, and the upper ends and the lower ends of the left vertical beam and the right vertical beam are respectively connected with the upper cross beam and the lower cross beam; the louver blades are horizontally arranged from top to bottom, the left side and the right side of each louver blade are respectively provided with a rotating shaft, the rotating shaft sleeves are arranged on the rotating shafts, and the rotating shaft sleeves on the left side and the right side of each louver blade are respectively movably connected with the left vertical beam and the right vertical beam; the pull rods comprise a left pull rod and a right pull rod, and the left pull rod and the right pull rod are respectively movably connected with the left ends and the right ends of the shutter blades;

the power system comprises a plurality of solar cell panels, a storage battery, a stepping motor and a single chip microcomputer; the solar cell panel is arranged on the surface of the shutter blade; the stepping motor comprises a first stepping motor and a second stepping motor, the first stepping motor is installed at the lower end of the left vertical beam and is connected with the solar panel through a left pull rod, the second stepping motor is installed at the top of the device and is directly connected with the storage battery, and the position of the storage battery is determined according to specific use conditions; the single chip microcomputer is arranged on the louver blades and is positioned between the first stepping motor and the solar panel;

the water spraying and temperature reducing device is connected with the plurality of sprayer nozzles; the plurality of sprayer nozzles are arranged on the right vertical beam, each sprayer nozzle corresponds to one shutter blade, and the plurality of sprayer nozzles are connected with the second stepping motor; the connecting pipe is placed in the right vertical beam, the connecting pipe is communicated with the sprayer nozzle, and the end part of the connecting pipe is connected with a water source.

Preferably, the solar cell panel is provided with two photo-resistors and a thermistor, the two photo-resistors are respectively and symmetrically arranged at the upper end and the lower end of the front surface of the solar cell panel, the two photo-resistors are connected in parallel, and the thermistor is connected with the two photo-resistors in series.

Preferably, the left and right sides of the louver blade are provided with rubber cloth pads, the rubber cloth pads are embedded with transmission strips, and the transmission strips on the left side and the right side are respectively connected with the left pull rod and the right pull rod.

Preferably, the water spray temperature reducing device further comprises a liquid storage barrel, a filter screen and an aspirator, and the end part of the connecting pipe is connected with the liquid storage barrel, the filter screen and the aspirator in sequence.

Preferably, the installation position of the storage battery is adjusted according to the specific use condition.

Has the advantages that:

1) the utility model effectively solves the problems that the surface temperature of the solar cell panel on the shutter blade is too high due to too strong sunlight and the conversion rate is reduced;

2) the utility model effectively avoids the harm caused by hot spot effect caused by dust and other particles existing on the louver blades, and effectively protects the whole photovoltaic array;

3) the utility model discloses utilize the water smoke to carry out whole slow cooling along with the air current diffusion to the solar cell panel on the shutter blade, avoid the thermal stress that rapid cooling arouses to solar cell panel's damage.

4) The utility model discloses utilize the water spray fog to cool down, remove dust, compare with current injection antiseptic solution, more environmental protection, it is more feasible, user experience degree is better.

Drawings

Fig. 1 is a schematic view of the overall structure of a spray type photovoltaic louver of the present invention;

fig. 2 is a schematic view of a part of the structure of a spray type photovoltaic shutter according to the present invention;

in the figure: the device comprises shutter blades 1, a sprayer nozzle 2, a rotating shaft 3, a pull rod 4, a rotating shaft sleeve 5, a connecting pipe 6, a right vertical beam 7, a solar cell panel 8, a storage battery 9, a lower cross beam 10, a first stepping motor 11, a left vertical beam 12, an upper cross beam 13 and a second stepping motor 14.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

A spray type photovoltaic shutter comprises a transmission mechanism, a water spray temperature reduction device and an electric power system; the transmission mechanism comprises a plurality of shutter blades 1, a plurality of rotating shafts 3, a plurality of rotating shaft sleeves 5, a pull rod 4, a left vertical beam 12, a right vertical beam 7, a lower cross beam 10 and an upper cross beam 13; the left vertical beam 12 and the right vertical beam 7 are vertically arranged in parallel, the lower cross beam 10 and the upper cross beam 13 are horizontally arranged in parallel, and the upper end and the lower end of the left vertical beam 12 and the right vertical beam 7 are respectively connected with the upper cross beam 13 and the lower cross beam 10; the louver blades 1 are horizontally arranged from top to bottom, the left side and the right side of each louver blade 1 are respectively provided with a rotating shaft 3, the rotating shaft sleeves 5 are arranged on the rotating shafts 3, and the rotating shaft sleeves 5 on the left side and the right side of each louver blade 1 are respectively movably connected with the left vertical beam 12 and the right vertical beam 7; the pull rod 4 comprises a left pull rod and a right pull rod, and the left pull rod and the right pull rod are respectively movably connected with the left end and the right end of the shutter blades 1;

the power system comprises a plurality of solar panels 8, a storage battery 9, a stepping motor and a single chip microcomputer; the solar cell panel 8 is arranged on the surface of the shutter blade 1; the stepping motors comprise a first stepping motor 11 and a second stepping motor 14, the first stepping motor 11 is mounted at the lower end of the left vertical beam 12 and is connected with the solar cell panel 8 through a left pull rod, the second stepping motor 14 is mounted above the upper cross beam 13, and the second stepping motor 14 is directly connected with the storage battery 9; the single chip microcomputer is arranged on the louver blades 1 and is positioned between the first stepping motor 11 and the solar cell panel 8;

the water spraying and temperature reducing device is connected with the plurality of sprayer nozzles 2; the sprayer nozzles 2 are arranged on the right vertical beam 7, each sprayer nozzle 2 corresponds to one shutter blade 1, and the sprayer nozzles 2 are connected with a second stepping motor 14; the connecting pipe 6 is placed in the right vertical beam 7, the connecting pipe 6 is communicated with the sprayer nozzle 2, and the end part of the connecting pipe 6 is connected with a water source.

Preferably, the solar cell panel 8 is provided with two photo-resistors and a thermistor, the two photo-resistors are respectively and symmetrically installed at the upper end and the lower end of the front surface of the solar cell panel, the two photo-resistors are connected in parallel, and the thermistor is connected with the two photo-resistors in series.

Preferably, the left and right sides of the louver blade 1 are provided with rubber cloth pads, the rubber cloth pads are embedded with transmission strips, and the transmission strips on the left side and the right side are respectively connected with the left pull rod and the right pull rod.

Preferably, the water spray desuperheating device further comprises a liquid storage barrel, a filter screen and an aspirator, and the end of the connecting pipe 6 is connected with the liquid storage barrel, the filter screen and the aspirator in sequence.

Preferably, the battery 9 is adjusted in installation position according to specific use conditions.

The solar cell panel 8 in the utility model is internally provided with two photo resistors with consistent optical performance, the two photo resistors are symmetrically distributed, and the illumination intensity received by the two photo resistors is compared to determine which direction the illumination is stronger; analog signals of the photoresistors are converted into digital signals through the single chip microcomputer to carry out numerical value comparison, and the inclination angle of the louver blades 1 is adjusted through the first stepping motor 11, so that the optimal power generation efficiency is guaranteed.

The utility model generates electricity by photovoltaic in daytime, the generated extra electric quantity is stored in the storage battery 9, and the storage battery 9 is utilized to generate electricity at night or in cloudy days; the utility model discloses rely on current grid-connected photovoltaic power generation system generated energy estimation method to photovoltaic power generation system design effect aassessment, add up the monthly generated energy of each sub-square matrix of solar cell panel 8 promptly and obtain the annual generated energy.

When the solar illumination intensity of the utility model exceeds the set threshold value and lasts for a certain time, the resistance of the thermistor is reduced, and the water spraying temperature reducing device is automatically triggered; the water generates micro mist through the sprayer nozzle 2 under the pressure action of the aspirator, so that the evaporation area of the water is enlarged; the micro-fog also improves the wind speed on the water surface, accelerates the diffusion of gas and accelerates the reduction of temperature while the micro-fog is pumped by the aspirator; the water mist is diffused to the surface of the solar cell panel 8 through the flowing of air, and the temperature is reduced; on the other hand, when the solar cell panel 8 on the shutter blade 1 has a certain amount of dust particles, the hot spot effect that the dust particles arouses produces local current, and the current in the circuit is too big, triggers the water spray heat sink automatically.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the scope of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A spray type photovoltaic shutter is characterized by comprising a transmission mechanism, a water spray temperature reduction device and an electric power system; the transmission mechanism comprises a plurality of shutter blades (1), a plurality of rotating shafts (3), a plurality of rotating shaft sleeves (5), a pull rod (4), a left vertical beam (12), a right vertical beam (7), a lower cross beam (10) and an upper cross beam (13); the left vertical beam (12) and the right vertical beam (7) are vertically arranged in parallel, the lower cross beam (10) and the upper cross beam (13) are horizontally arranged in parallel, and the upper end and the lower end of the left vertical beam (12) and the right vertical beam (7) are respectively connected with the upper cross beam (13) and the lower cross beam (10); the louver blades (1) are horizontally arranged from top to bottom, the left side and the right side of each louver blade (1) are respectively provided with a rotating shaft (3), the rotating shaft sleeves (5) are arranged on the rotating shafts (3), and the rotating shaft sleeves (5) on the left side and the right side of each louver blade (1) are respectively movably connected with the left vertical beam (12) and the right vertical beam (7); the pull rod (4) comprises a left pull rod and a right pull rod, and the left pull rod and the right pull rod are respectively movably connected with the left end and the right end of the shutter blades (1);

the power system comprises a plurality of solar cell panels (8), a storage battery (9), a stepping motor and a single chip microcomputer; the solar cell panel (8) is arranged on the surface of the shutter blade (1); the stepping motor comprises a first stepping motor (11) and a second stepping motor (14), the first stepping motor (11) is mounted at the lower end of the left vertical beam (12) and connected with the solar panel (8) through a left pull rod, the second stepping motor (14) is mounted above the upper cross beam (13), and the second stepping motor (14) is directly connected with the storage battery (9); the single chip microcomputer is arranged on the louver blades (1) and is positioned between the first stepping motor (11) and the solar cell panel (8);

the water spraying and temperature reducing device is connected with the plurality of sprayer nozzles (2); the sprayer nozzles (2) are arranged on the right vertical beam (7), each sprayer nozzle (2) corresponds to one shutter blade (1), and the sprayer nozzles (2) are connected with a second stepping motor (14); the connecting pipe (6) is placed in the right vertical beam (7), the connecting pipe (6) is communicated with the sprayer nozzle (2), and the end part of the connecting pipe (6) is connected with a water source.

2. A spray type photovoltaic shutter according to claim 1, characterized in that two photo-resistors and a thermistor are arranged on the solar panel (8), the two photo-resistors are symmetrically arranged on the upper and lower ends of the front surface of the solar panel respectively, and the two photo-resistors are connected in parallel, and the thermistor is connected in series with the two photo-resistors.

3. A spray type photovoltaic shutter as claimed in claim 1, wherein the left and right sides of the shutter blades (1) are provided with rubber cloth pads embedded with driving bars, and the driving bars on the left and right sides are respectively connected with the left and right pull rods.

4. A spray photovoltaic shutter according to claim 1, characterized in that said water spray desuperheating device further comprises a liquid receiver, a screen and an aspirator, the ends of said connecting tube (6) being connected in turn to the liquid receiver, the screen and the aspirator.

5. Spray photovoltaic shutter according to claim 1, characterized in that said accumulator (9) is adjusted in its installation position according to the specific use conditions.