Intelligent photovoltaic array cleaner
A photovoltaic array and cleaner technology, applied in the field of intelligent photovoltaic array cleaners, can solve the problems of high geological requirements, large water consumption, high cost, etc., and achieve the effect of avoiding secondary pollution by dust and reducing cleaning costs
Inactive Publication Date: 2018-09-14
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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Problems solved by technology
These four have shortcomings such as low cleaning efficiency, large water consumption, high cost, and high geological requirements, and cannot achieve the desired effect.
Method used
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[0030] The photovoltaic power generation matrix uses copper indium gallium selenium thin film photovoltaic cells of model SOLIBRO SL2-F 120W (specification 1190×790×7.33mm), and the 2MW photovoltaic power station uses and does not use the intelligent photovoltaic array cleaner on a yearly basis. The annual power generation of the cleaner is compared with the gain effect of the present invention.
[0031] The annual power generation W of the photovoltaic power generation matrix is:
[0032] W=ηkSH
[0033] In the formula, S is the total area of photovoltaic cells, m 2 , H is the annual average solar radiation intensity on the inclined surface of the photovoltaic cell, kWgh / (m 2 gy); η is the photoelectric conversion efficiency of the photovoltaic module, 0.128; k is the overall efficiency of the photovoltaic system, 0.8.
[0034] According to the Liu and Jordan sky isotropy model, H can be calculated by the following formula:
[0035]
[0036]
[0037]
[0038] I...
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The invention relates to an intelligent photovoltaic array cleaner which comprises a photovoltaic panel. A light sensing assembly for determining the surface dust is arranged on the upper surface of the photovoltaic panel, and transmits monitored information to a control assembly on the side surface of the photovoltaic panel; the control assembly is connected with a dust removing device located onthe upper surface of the photovoltaic panel, and drives the dust removing device to horizontally move on the upper surface of the photovoltaic panel through a driving device; a working table is arranged at the initiating end of the photovoltaic panel; the light sensing assembly can monitor the dust on the photovoltaic surface for 24h; when the thickness of the dust reaches to a set value, a servomotor starts to operate through the control assembly, and a screw rod cleaner is further driven to clean the dust on the surface of a photovoltaic array from left to right, so that the power generating efficiency of the photovoltaic array can be effectively improved; and with the design of a screw rod structure, the dust can be automatically collected into a dust collecting bag, so that the secondary pollution caused by raised dust is avoided.
Description
technical field [0001] The invention relates to the technical field of photovoltaic utilization of solar energy, in particular to an intelligent photovoltaic array cleaner. Background technique [0002] With the gradual depletion of fossil fuel reserves in the world, people have carried out extensive research and application on photovoltaic power generation, and more and more photovoltaic power stations are gradually being established. At present, photovoltaic power stations have become the green power development energy projects that are encouraged by the state. . [0003] Photovoltaic power stations are generally built on flat land far away from the urban area, with no buildings or trees around them, and the geology is generally sandy or muddy. This special construction site can easily cause dust to accumulate on the surface of the photovoltaic array, especially in windy weather. . According to research, the dust on the photovoltaic array can reduce the power generation ...
Claims
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IPC IPC(8): B08B1/04B08B13/00H02S40/10H02S40/12G06F17/50
CPCH02S40/10H02S40/12B08B13/00G06F30/20B08B1/30B08B1/32B08B1/12Y02E10/50
Inventor 刘艳峰陈迎亚董宇田梽君王登甲刘加平
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY