CN108580490B - Dust detection and cleaning system for solar cell panel - Google Patents
Dust detection and cleaning system for solar cell panel Download PDFInfo
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- CN108580490B CN108580490B CN201810132419.0A CN201810132419A CN108580490B CN 108580490 B CN108580490 B CN 108580490B CN 201810132419 A CN201810132419 A CN 201810132419A CN 108580490 B CN108580490 B CN 108580490B
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- solar panel
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- 238000004140 cleaning Methods 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 239000000428 dust Substances 0.000 title claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000009466 transformation Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
The invention discloses a dust detection and cleaning system for a solar cell panel. The invention comprises a signal acquisition unit, a control unit, a driving unit, a transmission unit, a cleaning unit and a remote control center. The signal acquisition unit acquires output voltage and output current of the solar panel. The control unit converts the photoelectric conversion rate according to the output voltage and the output current of the solar panel, controls the driving unit through comparison with a threshold value, and the signal acquisition unit also acquires the temperature of the solar panel. The control unit is used for controlling the driving unit according to the comparison between the temperature of the solar panel and the threshold value; the driving unit is connected with the cleaning unit through a transmission unit. According to the invention, the data is remotely transmitted by a wireless technology, so that the regional problem can be eliminated, and the user can timely and effectively find the problem; meanwhile, the device can be automatically cleaned, has a good cleaning effect, and prolongs the service life of the solar cell panel.
Description
Technical Field
The invention relates to a cleaning system, in particular to a dust detection and cleaning system for a solar cell panel.
Background
Solar energy is used as a renewable energy source, has the advantages of cleanness, environmental protection and the like, and is widely applied by people. The solar photovoltaic power generation system is positioned at a position with abundant solar energy resources, low land utilization rate and no shielding object, and is characterized by enrichment of sand and dust and more wind under the common condition, sand and dust carried in wind can be deposited on the surface of the photovoltaic module along with the time, and the reflectivity and the transmissivity of a glass cover plate on the photovoltaic module can be influenced, so that the optical conversion efficiency of the solar photovoltaic module is reduced. The surface of the photovoltaic module is worn over the years, so that the optical performance and the service life of the photovoltaic module are adversely affected. In long-term use, the shielded solar cell module inevitably falls on shielding objects such as flying birds, dust, fallen leaves and the like, and generates heat at the moment, so that a hot spot effect is generated. The effect can seriously damage the solar cell, reduce the photoelectric conversion rate of the solar cell and reduce the service life of the solar cell panel.
For the former case, the methods currently solved are: 1. the manual sprinkling cleaning is adopted, so that the defects of water resource waste, manpower waste and low speed are overcome; 2. the intelligent robot cleans the solar panel, and has the defects of high cost, low efficiency and low reliability; 3. the existing solar cleaning system has low cleaning strength and low utilization rate. Aiming at the defects of the prior art, the invention provides a dust detection and cleaning system for a solar cell panel.
Disclosure of Invention
The invention provides a dust detection and cleaning system for a solar cell panel, aiming at the defects of the prior art.
The dust detection and cleaning system of the solar cell panel comprises a signal acquisition unit, a control unit, a driving unit, a transmission unit, a cleaning unit and a remote control center;
the signal acquisition unit acquires output voltage and output current of the solar panel. The control unit converts the photoelectric conversion rate according to the output voltage and the output current of the solar panel, controls the driving unit through comparison with a threshold value, and the signal acquisition unit also acquires the temperature of the solar panel. The control unit is used for controlling the driving unit according to the comparison between the temperature of the solar panel and the threshold value; the driving unit is connected with the cleaning unit through the transmission unit; the remote control center can remotely control the system to be started, closed, opened and closed at fixed time, and drive or stop driving, so that the user can conveniently monitor in real time; the signal acquisition unit and the control unit are communicated with the remote control center through a wireless router.
The signal acquisition unit comprises a first microprocessor with a radio frequency function, a power supply, a first transformation chip, a first LED indicator lamp, a first buzzer, a first antenna, a first temperature sensor and a current and voltage acquisition module.
The power supply is provided by the solar panel and supplies power to the first microprocessor and the current and voltage acquisition module through the first transformation chip; the signal output end of the current and voltage acquisition module is connected with the signal input end of the first microprocessor, the signal output port of the first temperature sensor is connected with the signal input end of the first microprocessor, the signal input port of the first LED indicator lamp and the signal input port of the first buzzer are connected with the signal output end of the first microprocessor, and the first antenna is connected with the first microprocessor.
The control unit comprises a second microprocessor with a radio frequency function and an analog-to-digital conversion function, a servo motor, a roller, a detection resistor, a voltage stabilizing and filtering circuit, an optical coupler, a silicon controlled rectifier, a second antenna, a first transformer, a second transformation chip, a second LED indicator lamp and a second buzzer.
The control unit is powered by a solar panel, a servo motor is powered by a first transformer, the servo motor is connected with a rolling shaft, a detection resistor for detecting the position of the rolling shaft is coaxially arranged with a sensing gear of the servo motor, the output end of the detection resistor is connected with the input end of a voltage stabilizing and filtering circuit, and the output end of the voltage stabilizing and filtering circuit is connected with a signal processing port of a second microprocessor; the solar panel supplies power to the second microprocessor through the first transformer and the second transformer chip; the control end of the second microprocessor is connected with the input end of the optical coupler, the output end of the optical coupler is connected with the silicon controlled rectifier, the output end of the silicon controlled rectifier is connected with the servo motor, and the silicon controlled rectifier controls the servo motor to rotate positively and negatively; the second LED indicator lamp and the second buzzer signal input port are connected with the signal output end of the second microprocessor, and the second antenna is connected with the second microprocessor.
The transmission unit comprises a transmission chain and a gear, is connected with the driving unit and is driven to move by power output by the driving unit.
The cleaning unit consists of a water filling port, a water outlet, a rolling shaft, a left wiper and a right wiper, wherein the first rolling shaft and the wiper can bidirectionally clean the surface of the solar cell panel, and the cleaning unit is detachably assembled.
Further, the threshold value includes a photoelectric conversion rate drive threshold value and a photoelectric conversion rate stop drive threshold value; a temperature drive threshold and a temperature stop drive threshold.
The invention has the beneficial effects that: 1. the data is remotely transmitted by a wireless technology, so that the regional problem can be eliminated, and the user can timely and effectively find the problem; 2. the device can be powered by a solar panel; 3. the device can be automatically cleaned, has good cleaning effect, and prolongs the service life of the solar cell panel; 4. the equipment has low cost and is far lower than the price of robots on the market.
Drawings
FIG. 1 is a schematic view of the overall structure of a dust detection and cleaning system for a solar panel according to the present invention;
FIG. 2 is a schematic diagram of the structure of a dust detection and cleaning system signal acquisition unit of the solar panel of the present invention;
FIG. 3 is a schematic flow chart of the dust detection and cleaning system of the solar panel of the present invention collecting signals and comparing with a threshold value;
FIG. 4 is a schematic view of the structure of the control unit of the dust detection and cleaning system of the solar panel of the present invention;
FIG. 5 is a schematic flow chart of a dust detection and cleaning system control unit for a solar panel according to the present invention;
fig. 6 is a schematic overall flow chart of the dust detection and cleaning system for the solar panel of the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1, the dust detection and cleaning system of the solar panel of the present invention includes: a control unit 1, a driving unit 2, a transmission unit 3, a signal acquisition unit 4, a cleaning unit 5 and a remote control center. Wherein the cleaning unit includes: water filling port 5.1, water outlet 5.2, roller 5.3, right wiper 5.4, left wiper 5.5.
The remote control center has the function of opening and closing the system at regular time, and the time can be set automatically. The remote control interface displays the photoelectric conversion rate and temperature information of the solar cell panel and the working state of the system, so that a user can pay attention to the solar cell panel in real time and remotely control the solar cell panel.
The detection signals of the signal acquisition unit are the temperature of the solar panel and the voltage and current value output by the solar panel, and the output power of the solar panel is obtained through calculation, so that the photoelectric conversion rate is obtained. Referring to fig. 2, the signal acquisition unit includes a first microprocessor with a radio frequency function, a power supply, a first transformer chip, a first LED indicator, a first buzzer, a first antenna, a first temperature sensor and a current-voltage acquisition module. The power supply is provided by the solar panel and supplies power to the first microprocessor and the current and voltage acquisition module through the first transformation chip; the signal output end of the current and voltage acquisition module is connected with the signal input end of the first microprocessor, the signal output port of the first temperature sensor is connected with the signal input end of the first microprocessor, the signal input port of the first LED indicator lamp and the signal input port of the first buzzer are connected with the signal output end of the first microprocessor, and the first antenna is connected with the first microprocessor.
Referring to fig. 3, firstly, a signal acquisition unit searches for and joins a PAN network, and detects whether a wireless router sends a wireless signal to itself after agreeing to access the network; and if the application is unsuccessful, returning to the continuous application until the application is successful. When a wireless signal of the wireless router is received, the wireless router starts to read signals of the sensing chip and sends the signals to the control unit and the remote control center, meanwhile, the green LED is driven to emit light, the control unit converts the acquired signals and compares the acquired signals with a threshold value set by the remote control center, if any signal value is detected to exceed the threshold value, the buzzer gives out an alarm, the red LED lamp gives out flashing red light, and meanwhile, the driving unit drives the system to perform the next operation according to the received signals.
Referring to fig. 4, the control unit includes a second microprocessor having a radio frequency function and an analog-to-digital conversion function, a servo motor, a roller, a position detection resistor for detecting the position of the roller, a voltage stabilizing and filtering circuit, an optocoupler, a silicon controlled rectifier, a second antenna, a first transformer, a second transformer chip, a second LED indicator, and a second buzzer. The control unit is powered by a solar panel, a servo motor is powered by a first transformer, the servo motor is connected with a rolling shaft, a detection resistor for detecting the position of the rolling shaft is coaxially arranged with a sensing gear of the servo motor, the output end of the detection resistor is connected with the input end of a voltage stabilizing and filtering circuit, and the output end of the voltage stabilizing and filtering circuit is connected with a signal processing port of a second microprocessor; the solar panel supplies power to the second microprocessor through the first transformer and the second transformer chip; the control end of the second microprocessor is connected with the input end of the first optocoupler, the output end of the first optocoupler is connected with the silicon controlled rectifier, the output end of the silicon controlled rectifier is connected with the first servo motor, and the silicon controlled rectifier controls the servo motor to rotate positively and negatively; the second LED indicator lamp and the second buzzer signal input port are connected with the signal output end of the first microprocessor, and the second antenna is connected with the second microprocessor.
Referring to fig. 5, the control unit searches for and joins the PAN network, and detects whether the wireless router transmits a wireless signal to itself after agreeing to access the network; and if the application is unsuccessful, returning to the continuous application until the application is successful. When the wireless signals of the wireless router are received, a motor control signal is output, the motor is controlled to operate to drive the rolling shaft and the wiper to slide for cleaning, the position of the rolling shaft is detected in real time, the position judgment is carried out, and if the position of the rolling shaft reaches a station, the green LED is driven to emit light and other operations are carried out.
Referring to fig. 6, an overall flow chart of the dust detection and cleaning system for a solar panel according to the present invention is shown. Firstly, the remote control center starts the system at fixed time, the signal acquisition unit searches for and joins the PAN network, after receiving the wireless signal of the wireless router, the signal of the sensor chip is read and sent to the control unit and the remote control center by the wireless router, and the information can be displayed on the interface of the remote control center. The control unit converts the collected signals and compares the signals with a threshold value (a photoelectric conversion rate threshold value and a temperature threshold value) set by the remote control center, if any signal value is detected to exceed the threshold value, the buzzer gives out an alarm, the red LED lamp gives out flashing red light, meanwhile, the driving unit drives the driving system according to the received signals, so that the transmission unit drives the cleaning unit to clean, and the control unit controls the position of the rolling shaft in the cleaning process. After one working cycle is cleaned, the control unit performs threshold comparison again, and if the threshold value is within the threshold value range, the driving is stopped.
Presenting the above in the form of steps may be expressed as the following steps:
step 1: the remote control center starts the system at regular time;
step 2: the signal acquisition unit acquires an output current signal, an output voltage signal and a temperature signal of the solar panel;
step 3: the control unit compares the acquired signals with a threshold value and performs intermittent training;
step 4: if one of the signals exceeds the threshold value, the driving unit is controlled to drive the cleaning unit to clean by the transmission unit;
step 5: after cleaning one working round, circulating the steps 2-5;
step 6: the remote control center shuts down the system at regular time.
The threshold in the step 3 includes a photoelectric conversion rate driving threshold η 1 Photoelectric conversion rate stop driving threshold η 2 The method comprises the steps of carrying out a first treatment on the surface of the Temperature drive threshold T 1 Temperature stop drive threshold T 2 。
Claims (2)
1. The dust detection and cleaning system of the solar cell panel comprises a signal acquisition unit, a control unit, a driving unit, a transmission unit, a cleaning unit and a remote control center;
the signal acquisition unit acquires output voltage and output current of the solar panel; the control unit converts the photoelectric conversion rate according to the output voltage and the output current of the solar panel, controls the driving unit through comparison with a threshold value, and the signal acquisition unit also acquires the temperature of the solar panel; the control unit is used for controlling the driving unit according to the comparison between the temperature of the solar panel and the threshold value; the driving unit is connected with the cleaning unit through the transmission unit; the remote control center can remotely control the system to be started, closed, opened and closed at fixed time, and drive or stop driving, so that the user can conveniently monitor in real time; the signal acquisition unit and the control unit are communicated with the remote control center through a wireless router;
the signal acquisition unit comprises a first microprocessor with a radio frequency function, a power supply, a first transformation chip, a first LED indicator lamp, a first buzzer, a first antenna, a first temperature sensor and a current and voltage acquisition module;
the power supply is provided by the solar panel and supplies power to the first microprocessor and the current and voltage acquisition module through the first transformation chip; the signal output end of the current and voltage acquisition module is connected with the signal input end of the first microprocessor, the signal output port of the first temperature sensor is connected with the signal input end of the first microprocessor, the signal input ports of the first LED indicator lamp and the first buzzer are connected with the signal output end of the first microprocessor, and the first antenna is connected with the first microprocessor;
the control unit comprises a second microprocessor with a radio frequency function and an analog-to-digital conversion function, a servo motor, a rolling shaft, a detection resistor, a voltage stabilizing and filtering circuit, an optical coupler, a silicon controlled rectifier, a second antenna, a first transformer, a second transformation chip, a second LED indicator lamp and a second buzzer;
the control unit is powered by a solar panel, a servo motor is powered by a first transformer, the servo motor is connected with a rolling shaft, a detection resistor for detecting the position of the rolling shaft is coaxially arranged with a sensing gear of the servo motor, the output end of the detection resistor is connected with the input end of a voltage stabilizing and filtering circuit, and the output end of the voltage stabilizing and filtering circuit is connected with a signal processing port of a second microprocessor; the solar panel supplies power to the second microprocessor through the first transformer and the second transformer chip; the control end of the second microprocessor is connected with the input end of the optical coupler, the output end of the optical coupler is connected with the silicon controlled rectifier, the output end of the silicon controlled rectifier is connected with the servo motor, and the silicon controlled rectifier controls the servo motor to rotate positively and negatively; the signal input ports of the second LED indicator lamp and the second buzzer are connected with the signal output end of the second microprocessor, and the second antenna is connected with the second microprocessor;
the transmission unit comprises a transmission chain and a gear, is connected with the driving unit and is driven to move by power output by the driving unit;
the cleaning unit consists of a water filling port, a water outlet, a rolling shaft, a left wiper and a right wiper, wherein the first rolling shaft and the wiper can bidirectionally clean the surface of the solar cell panel and are detachably assembled;
the working process of the system is as follows:
step 1: the remote control center starts the system at regular time;
step 2: the signal acquisition unit acquires an output current signal, an output voltage signal and a temperature signal of the solar panel;
step 3: the control unit compares the acquired signals with a threshold value and performs intermittent round-robin;
step 4: if one of the signals exceeds the threshold value, the driving unit is controlled to drive the cleaning unit to clean by the transmission unit;
step 5: after cleaning one working round, circulating the steps 2-5;
step 6: the remote control center shuts down the system at regular time.
2. The solar panel dust detection and cleaning system of claim 1, wherein: the threshold value comprises a photoelectric conversion rate driving threshold value and a photoelectric conversion rate stopping driving threshold value; a temperature drive threshold and a temperature stop drive threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132419.0A CN108580490B (en) | 2018-02-09 | 2018-02-09 | Dust detection and cleaning system for solar cell panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132419.0A CN108580490B (en) | 2018-02-09 | 2018-02-09 | Dust detection and cleaning system for solar cell panel |
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| Publication Number | Publication Date |
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| CN108580490A CN108580490A (en) | 2018-09-28 |
| CN108580490B true CN108580490B (en) | 2024-03-12 |
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| CN201810132419.0A Active CN108580490B (en) | 2018-02-09 | 2018-02-09 | Dust detection and cleaning system for solar cell panel |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112272003B (en) * | 2020-09-28 | 2021-12-14 | 国家电投集团曲阳新能源发电有限公司 | Solar cell panel cleaning control system and cleaning method |
| CN117960641B (en) * | 2024-02-19 | 2024-06-25 | 广州傲群刷业科技有限公司 | Photovoltaic cleaning robot brush power adjustment method and system based on artificial intelligence |
| CN117834565B (en) * | 2024-03-06 | 2024-05-24 | 天津吉诺科技有限公司 | Switch with maintenance mode and control method thereof |
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| ES2322745A1 (en) * | 2007-10-09 | 2009-06-25 | Brown Group Spain S.A. | Automatic solar panel cleaning system |
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| CN108580490A (en) | 2018-09-28 |
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