CN106694468B - Natural wind speed and direction adjusting solar cell panel dust removal device - Google Patents

Natural wind speed and direction adjusting solar cell panel dust removal device Download PDF

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Publication number
CN106694468B
CN106694468B CN201710064711.9A CN201710064711A CN106694468B CN 106694468 B CN106694468 B CN 106694468B CN 201710064711 A CN201710064711 A CN 201710064711A CN 106694468 B CN106694468 B CN 106694468B
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wind speed
wind
dust removal
wind direction
solar cell
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CN106694468A (en
Inventor
张鹏
李静
李丹丹
白仲航
习道政
杨通达
冯慧
蒋伟
檀润华
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Hebei University of Technology
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Hebei University of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/10Cleaning arrangements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention relates to a natural wind speed and direction regulating solar cell panel dust removal device which is characterized by comprising a support, a wind speed sensor fixing piece, a wind direction sensor fixing piece, a wind speed sensor, a wind direction sensor, a rotating shaft, a control module and four fans, wherein the support is arranged on the support; the wind speed sensor is used for measuring wind speed, the wind direction sensor is used for measuring wind direction, and the fan is used for changing the frequency of natural wind; the control module is arranged on the bracket and is used for controlling the whole dust removal device to work; the bottom of the bracket is fixed on the ground, and the upper part of the bracket is connected with the lower surface of the solar cell panel through a rotating shaft; the wind speed sensor and the wind direction sensor are respectively fixed on the upper surface of the bottom of the bracket through a wind speed sensor fixing piece and a wind direction sensor fixing piece; the four fans are fixed on the edge of the solar cell panel, and air outlets of the four fans face the center of the solar cell panel.

Description

Natural wind speed and direction regulating solar cell panel dust removal device
Technical Field
The invention relates to the technical field of dust removal of solar panels, in particular to a natural wind speed and direction adjusting solar panel dust removal device.
Background
In western regions of China, a large number of solar panels are used for power generation, and a solar tracking system is often added to improve the conversion efficiency of the solar panels. Because the wind and sand are large in western regions of China, the solar cell panel works in the open air, dust can be accumulated on the surface of the solar cell panel, the conversion efficiency of the solar cell panel is greatly reduced, and the service life of the solar cell panel is greatly shortened, so that the dust removal work of the solar cell panel is particularly important.
Chinese patent No. ZL2010205282321 discloses a natural wind dust collector that solar cell panel used, this dust collector passes through the installing support, sets up left and right air intake on the support to set up the guide plate in the below of air intake, the guide plate below sets up the air outlet, and left and right air intake communicates with each other with the air outlet, through the increase intake, thereby reaches the purpose of clearance floating dust. The solar panel dust removal device has the disadvantages that the dust removal is carried out by increasing the air inlet amount according to natural wind, the dust on the solar panel cannot be effectively removed due to the fact that the wind speed and the wind direction of the natural wind are not constant, the dust cannot be removed easily when the wind speed changes a little, the wind speed cannot be controlled in the process, and the dust removal effect is not obvious.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problem of providing a natural wind speed and direction regulating solar cell panel dust removal device. The device adjusts the wind speed to the variable quantity of a certain rule by adjusting the wind direction angle, so that natural wind becomes non-constant wind power, the solar cell panel is swept by the non-constant wind power, the dust removal effect is obviously improved, the energy consumption is low, and the use is convenient.
The technical scheme adopted by the invention for solving the technical problems is that the invention provides a natural wind speed and direction regulating solar cell panel dust removal device which is characterized by comprising a support, a wind speed sensor fixing piece, a wind direction sensor fixing piece, a wind speed sensor, a wind direction sensor, a rotating shaft, a control module and four fans; the wind speed sensor is used for measuring wind speed, the wind direction sensor is used for measuring wind direction, and the fan is used for changing the frequency of natural wind; the control module is arranged on the bracket and is used for controlling the whole dust removal device to work;
the bottom of the bracket is fixed on the ground, and the upper part of the bracket is connected with the lower surface of the solar cell panel through a rotating shaft; the wind speed sensor and the wind direction sensor are respectively fixed on the upper surface of the bottom of the bracket through a wind speed sensor fixing piece and a wind direction sensor fixing piece; the four fans are fixed on the edge of the solar cell panel, and air outlets of the four fans face the center of the solar cell panel;
the control module comprises a singlechip, a power supply, an external expansion storage chip, a time chip, a liquid crystal display screen and a key; the single chip microcomputer is respectively connected with the power supply, the external expansion storage chip, the time chip, the liquid crystal display screen and the keys; the power supply is responsible for supplying power to the control module; the input end of the single chip microcomputer is further connected with the wind speed sensor and the wind direction sensor, and the output end of the single chip microcomputer is respectively connected with the input ends of the four fans and the motor on the rotating shaft.
Compared with the prior art, the invention has the beneficial effects that:
1) The device provided by the invention adjusts the included angle between the solar cell panel and the natural wind direction through the control of the single chip microcomputer, and the controllable natural wind is manufactured by controlling the fans at different positions, so that the wind sweeps the surface of the solar cell panel at different speeds and directions, the effect of dedusting the solar cell panel is achieved, and the conversion efficiency of the solar cell panel is improved.
2) According to the invention, natural wind is used as a blowing power source, the natural wind is converted into non-constant wind power with a certain change rule of wind direction and wind speed, and the solar cell panel is blown by the non-constant wind power, so that the dust removal effect is greatly improved.
3) The device can effectively remove dust at night, can obviously improve the working efficiency in the daytime after dust removal, can also utilize the fan to cool the solar cell panel in the air cooling mode during working in the daytime, and can also contribute to improving the conversion efficiency of the solar cell panel by reducing the temperature of the solar cell panel.
4) The invention can realize the purpose of dust removal only by utilizing a plurality of sensors and fans, has high dust removal efficiency, simple structure, convenient maintenance and low manufacturing cost, and is more favorable for popularization and use.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of a natural wind speed and direction regulating solar panel dust removal device of the present invention;
FIG. 2 is a block diagram of a control module of an embodiment of the natural wind speed and direction regulating solar panel dust removal device of the present invention;
in the figure, a support 1, a solar cell panel 2, an air velocity transducer fixing sheet 3, an air direction transducer fixing sheet 4, an air velocity transducer 5, an air direction transducer 6, a rotating shaft 7, a fan 8 and a control module 9 are arranged.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the appended claims.
The natural wind speed and direction regulating solar panel dust removal device (referred to as a device for short, see fig. 1-2) comprises a support 1, a wind speed sensor fixing piece 3, a wind direction sensor fixing piece 4, a wind speed sensor 5, a wind direction sensor 6, a rotating shaft 7, a control module 9 and four fans 8; the wind speed sensor 5 is used for measuring wind speed, the wind direction sensor 3 is used for measuring wind direction, and the fan is used for changing the frequency of natural wind; the control module is arranged on the bracket 1, and the control module 9 is used for controlling the whole dust removal device to work;
the bottom of the bracket 1 is fixed on the ground, and the upper part of the bracket is connected with the lower surface of the solar cell panel 2 through a rotating shaft 7; the wind speed sensor 5 and the wind direction sensor 6 are respectively fixed on the upper surface of the bottom of the bracket 1 through a wind speed sensor fixing piece 3 and a wind direction sensor fixing piece 4, and the wind direction and the wind speed are detected in real time; the four fans are fixed on the edge of the solar cell panel 2, and air outlets of the four fans face the center of the solar cell panel;
the control module 9 comprises a singlechip 9.1, a power supply 9.2, an external expansion memory chip 9.3, a time chip 9.4, a liquid crystal display 9.5 and a key 9.6; the single chip microcomputer 9.1 is respectively connected with a power supply 9.2, an external expansion storage chip 9.3, a time chip 9.4, a liquid crystal display screen 9.5 and a key 9.6; the power supply 9.2 is responsible for supplying power to the control module 9; the input end of the single chip microcomputer is also connected with the wind speed sensor 5 and the wind direction sensor 6, and the output end of the single chip microcomputer is respectively connected with the input ends of the four fans 8 and the motor on the rotating shaft 7.
The single chip microcomputer 9.1 is an STC89C51 type single chip microcomputer; the external expansion memory chip 9.3 is an AT24C02 chip; the time chip 9.4 is a DS1302 chip; the power supply 9.2 is a 5V direct-current power supply, the model of the liquid crystal display screen is LCD12864, and the model of the wind direction sensor is FX-V1-16; the model of the wind speed sensor is FS-M-30; the liquid crystal display screen 9.5 can display the information of the current wind speed, the current wind direction, the current time and the like so as to be convenient for a worker to observe and record and the like, the key 9.6 can be used for adjusting the time and related display information, and when the device has problems, a problem source can be detected by changing parameters. The external storage chip is used for storing relevant working information such as time, wind speed and wind direction and preventing data loss.
The bracket 1 has a structure which can enable the solar panel to follow the sunlight, the used materials are titanium alloy, tungsten-molybdenum, low-carbon alloy steel and the like, different materials are selected to hardly influence the dust removal effect, the structure which can enable the solar panel to follow the sunlight can adopt the prior art, and the bracket is a supporting structure of the whole device.
The fan work and the size that adjustment fan operating frequency changed natural wind through the different positions of control, through the motor on the single chip microcomputer control rotation axis, thereby realize changing the purpose of the contained angle of solar cell panel and horizontal plane through the rotation axis is rotatory, make solar cell panel and wind present the best stress angle, the best angle can make the effect of removing dust and clear away better, the best stress angle here is 45 degrees, just so can realize removing dust based on the solar cell panel of natural wind speed governing control.
The control flow of the single chip microcomputer is as follows: firstly, starting a control module of the device and initializing the device, judging whether the time is night or day by the single chip microcomputer according to the time provided by the time chip, entering a dust removal mode if the time is night, and carrying out dust removal work, and cooling the surface of the solar cell panel by using a fan in day; then the wind direction measured by the wind direction sensor is transmitted to the singlechip, and the current wind direction is displayed on the liquid crystal display screen through the output data of the singlechip; the single chip microcomputer controls a motor on the rotating shaft to rotate, so that the rotating shaft adjusts the angle between the solar cell panel and the wind, and the device is adjusted to be the optimal stress angle; meanwhile, the wind speed measured by the wind speed sensor is transmitted to the single chip microcomputer, when the single chip microcomputer detects that the wind speed is not less than 2.0m/s and the solar cell panel and the wind present the optimal stress angle, the fans are controlled to be started, the wind speed is increased to be more than 5.5m/s, dust on the solar cell panel can be blown away, and the four fans are alternately started, so that the wind speed is alternately changed, and the frequency modulation dust removal work is started; set for dust removal operating time through the singlechip, after the dust removal finishes, the device stop work, so both can the energy can be saved, also can remove dust when the wind speed is less to shorten dust removal time, dust removal effect is better.
The working principle and the flow of the device are as follows: whether the solar panel is in the dust removal mode or not is judged through the single chip microcomputer, if the solar panel is in the dust removal mode, the wind direction sensor can measure the wind direction, the solar panel can present the optimal stress angle with the wind, and the specific wind direction can know which fan will work, the wind speed can be adjusted and controlled in the range where dust can be blown away easily, the wind speed sensor in the device measures the accurate wind speed, the frequency required to be given by the fan can be calculated accurately, speed regulation control based on natural wind is achieved, dust on the solar panel is cleaned under the condition of low resource utilization, normal and efficient work of the solar panel on the next day is achieved, and the service life of the solar panel can be prolonged.
The device is suitable for being applied to regions which lack water resources but have more wind resources in northwest, the device directly utilizes natural wind, and meanwhile, the device is matched with fans at different positions, periodic wind power dust removal can be carried out when external wind power is insufficient, frequency modulation dust removal can be realized by controlling the alternative opening of the four fans, the resource energy consumption is saved, the dust removal working time is obviously shortened, and the dust removal effect is obvious.
The invention is applicable to the prior art where nothing is said.

Claims (2)

1. A natural wind speed and direction regulating solar cell panel dust removal device is characterized by comprising a support, a wind speed sensor fixing piece, a wind direction sensor fixing piece, a wind speed sensor, a wind direction sensor, a rotating shaft, a control module and four fans, wherein the support is fixedly arranged on the support; the wind speed sensor is used for measuring wind speed, the wind direction sensor is used for measuring wind direction, and the fan is used for changing the frequency of natural wind; the control module is arranged on the bracket and is used for controlling the whole dust removal device to work;
the bottom of the bracket is fixed on the ground, and the upper part of the bracket is connected with the lower surface of the solar cell panel through a rotating shaft; the wind speed sensor and the wind direction sensor are respectively fixed on the upper surface of the bottom of the bracket through a wind speed sensor fixing piece and a wind direction sensor fixing piece; the four fans are fixed on the edge of the solar cell panel, and air outlets of the four fans face the center of the solar cell panel;
the control module comprises a singlechip, a power supply, an external expansion storage chip, a time chip, a liquid crystal display screen and a key; the single chip microcomputer is respectively connected with the power supply, the external expansion storage chip, the time chip, the liquid crystal display screen and the keys; the power supply is responsible for supplying power to the control module; the input end of the single chip microcomputer is also connected with the wind speed sensor and the wind direction sensor, and the output end of the single chip microcomputer is respectively connected with the input ends of the four fans and the motor on the rotating shaft;
the control flow of the single chip microcomputer is as follows: firstly, starting a control module of the device and initializing the device, judging whether the time is night or day by the single chip microcomputer according to the time provided by the time chip, entering a dust removal mode if the time is night, and carrying out dust removal work, and cooling the surface of the solar cell panel by using a fan in day; then the wind direction measured by the wind direction sensor is transmitted to the singlechip, and the current wind direction is displayed on the liquid crystal display screen through the output data of the singlechip; the single chip microcomputer controls a motor on the rotating shaft to rotate, so that the device is adjusted to be the optimal stress angle; meanwhile, the wind speed measured by the wind speed sensor is transmitted to the single chip microcomputer, when the single chip microcomputer detects that the wind speed is not less than 2.0m/s and the solar cell panel and the wind show the best stress angle, the fans are controlled to be started, the wind speed is increased, and the four fans are started alternately, so that the wind speed is changed alternately, and the frequency modulation dust removal work is started; the working time of dust removal is set through the single chip microcomputer, and the device stops working after dust removal is finished;
the working principle and the flow of the device are as follows: whether the solar panel is in the dust removal mode or not is judged through the single chip microcomputer, if the solar panel is in the dust removal mode, the wind direction sensor can measure the wind direction, the solar panel can present the optimal stress angle with wind, and a specific wind direction can know which fan can work, the wind speed can be adjusted and controlled in the range where dust can be easily blown away, the wind speed sensor in the device measures the accurate wind speed, the frequency required to be given by the fan can be accurately calculated, speed regulation control based on natural wind is achieved, dust on the solar panel is cleared under the condition of little resource utilization, normal and efficient work of the solar panel on the next day is achieved, and the service life of the solar panel can be prolonged.
2. The natural wind speed and direction regulating solar panel dust collector according to claim 1, wherein the single chip microcomputer is an STC89C51 type single chip microcomputer; the external expansion memory chip is an AT24C02 chip; the time chip is a DS1302 chip; the power supply is a 5V direct-current power supply, the model of the liquid crystal display screen is LCD12864, and the model of the wind direction sensor is FX-V1-16; the model of the wind speed sensor is FS-M-30.
CN201710064711.9A 2017-02-05 2017-02-05 Natural wind speed and direction adjusting solar cell panel dust removal device Active CN106694468B (en)

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CN108039865B (en) * 2018-01-08 2024-04-05 河北工业大学 Natural wind power amplification and wind direction adjusting device and application thereof
CN108339806B (en) * 2018-04-22 2023-07-14 河北建筑工程学院 Solar cell panel cleaning robot based on wind energy
CN108718179A (en) * 2018-05-16 2018-10-30 山东大学 Photovoltaic waterborne automatic pumping cleaning at times and cooling device
CN113472013A (en) * 2021-07-12 2021-10-01 零点创新科技有限公司 Micro-grid new energy hybrid energy storage system
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