Solar semi-shielding type thermal drive automatic tracking device
An automatic tracking device, solar technology, applied in the field of solar tracking, can solve the problems of large tracking error, slowness, slow tracking speed, etc., and achieve the effect of high tracking accuracy
Inactive Publication Date: 2014-08-27
LANZHOU UNIVERSITY OF TECHNOLOGY
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A solar semi-shielding type thermal drive automatic tracking device aims at improving tracking accuracy and reducing tracking cost. A heat collection pipe (1) is arranged at the focal line position of a paraboloidal concentration groove (2). An opening (19) is formed in the center of the paraboloidal concentration groove (2). A paraboloidal concentration groove (12) is arranged on the opening (19). A heat collection pipe (14) is arranged at the focal line position of the paraboloidal concentration groove (12). Sunlight which is emitted towards the heat collection pipe (14) from the positions behind and on the rear side of the paraboloidal concentration groove (12) is totally shielded by the first heat collection pipe (1) and the paraboloidal concentration groove (12). Sunlight emitted towards to the heat collection pipe (14) from the positions in front of and on the front side of the paraboloidal concentration groove (12) is focused on the heat collection pipe (14). Sunlight emitted towards the heat collection pipe (14) from the heat collection pipe (1) is partly shielded. An expansion pipe (13) is arranged inside the heat collection pipe (14). An inner cavity of the expansion pipe (13) is communicated with an inner cavity of a hydraulic cylinder (9) through a pressure guide pipe (8).
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