公开(公告)号：US11226076B2

公开(公告)日：2022-01-18

申请号：US16491458

申请日：2018-03-23

申请人： JIANGSU UNIVERSITY

发明人： Mingyang Chen ,  Xiaoming Xu ,  Ling Wang

IPC分类号： F21S11/00 ,  F21V5/04

摘要： This invention presents a solar light collecting and guiding system for stabilizing the output light intensity, wherein the system comprising an array of converging lenses and optical fibers for collecting light focused by converging lenses. The fibers and the lenses are in one-to-one correspondence wherein the input end of an optical fiber is located in the focus position of the corresponding converging lens, and the axis of the optical fiber overlaps with the principal axis of the corresponding converging lens. The system is equipped with a sunlight tracking positioning device for synchronized motion, wherein the device is applied to tracking the sun light ray vertical incident into the central converging lens. The system has the function of outputting stable light intensity, that is, it can effectively reduce the variation of the collecting efficiency caused by the positioning deviation between the incident angle of sunlight and the designed input angle.

公开(公告)号：US11133774B2

公开(公告)日：2021-09-28

申请号：US16614253

申请日：2018-01-03

申请人： JIANGSU UNIVERSITY

发明人： Mingyang Chen ,  Li Zhang ,  Pipi Liu ,  Guodong Cao ,  Xiaoming Xu

IPC分类号： H02S20/32 ,  H02S40/20 ,  G05D3/10

摘要： A solar tracking sensor includes lens and four fibers respectively representing four directions installed in a lens barrel to serve as a fine-positioning daylighting module, and four groups of fibers installed on the side of the lens barrel to serve as a coarse-positioning daylighting module. A circuit board and four photocells are installed at the bottom of a cassette. Each photocell is connected to fine positioning fibers located in the same direction as the photocell, and is connected to coarse positioning fibers located in a direction diagonal to the direction of the photocell. By using a daylighting method of combining fine-positioning daylighting and coarse-positioning daylighting, the number of the photocells is reduced, the design of the circuit board is simplified, and costs are reduced; moreover, because the coarse-positioning daylighting module can collect sunlight in a wide-angle range, the tracking angle range of the sensor is enlarged.