Reflector adjusting device

The invention provides a general automatic condensation precision detection device for a solar parabolic concentrator, which is designed in a modular manner, can realize detection of concentrators with different focuses by only replacing the concentrators with different focuses and regulating a height position of a fixed receiver, is simple in operation and can rapidly, accurately and actually reflect a focusing precision of a concentrator to be detected. The invention belongs to the technical field of solar heat energy utilization. The detection device has the technical scheme as follows: the concentrator to be detected is fixed on a concentrator installation and fixation module, and a receiver is regulated and fixed in a corresponding focal line position. A positioning and walking mechanism is started according to a programmed procedure so that a light-emitting source walks in an S-shaped manner on an X-Y plane, the concentrator to be detected is subjected to grid point irradiation, the data analysis and processing is carried out according to a position signal of the receiver, and the condensation precision of the concentrator is calculated.

Automatic condensation precision detection device for solar parabolic concentrator

A detection device for a condenser reflecting surface of a solar heat power generation system comprises: a horizontal rotary beam disposed above the condenser reflecting surface and capable of rotating in a horizontal surface, a plurality of laser heads being disposed at the bottom end of the horizontal rotary beam, a receiving disk perpendicular to the central axis of the horizontal rotary beam and capable of vertical movement connected at the theoretical focus of the condenser reflecting surface below the horizontal rotary beam, a camera being disposed below the receiving disk. A solar heat power generation system comprises the condenser reflecting surface and the detection device, and the detection device is disposed right above the condenser reflecting surface.

Solar heat power generation system and detection device for condenser reflecting surface thereof

The invention provides a testing method for light spot patterns of a solar light condenser. The testing method comprises the following steps: firstly, generating light rays which are vertically incident on a solar light condensing lens by utilizing simulation point light sources; then acquiring geometric information about the position and the shape of condensed light on a receiver by utilizing an image detecting technique, and reconstructing and recognizing on a computer; then moving the simulation point light sources fixed on a guide rail along the outer diameter of the solar light condensing lens in parallel by utilizing the electric guide rail with a servo stepping motor, reconstructing and storing the position and the shape of the condensed light after each moving, and automatically analyzing the shape and the position of a light spot on the receiver by testing software after the simulation point light sources move for a cycle, thereby obtaining the accurate light receiving patterns. The invention also provides a testing platform for light spot patterns of the solar light condenser. The testing method and the testing platform provided by the invention can directly measure the actual light spot size after light condensation, and moreover, the obtained light spot is high in size accuracy; additionally, the testing process is automatic, so that the testing efficiency is high.

Testing method and testing platform for light spot patterns of solar light condenser

The invention discloses an on-line dimension image testing device for a focus degree of a curved surface of an optothermal-collecting electricity-generating reflecting mirror The on-line dimension image testing device comprises a test carrying part and a light source detecting part, wherein the test carrying part comprises a mounting component and an adjusting component; the mounting component is used for fixing a reflecting mirror component to be tested; the adjusting component is used for adjusting a measuring position and a space gesture of the reflecting mirror component to be tested; the light source detecting part comprises a parallel projecting light source and a light sealing structure; and a plurality of light sensing units which are used for detecting reflecting light parameters of the reflecting mirror component to be tested are arranged in the light sealing structure Reflecting and transmitting principles of the light on a paraboloid and a convex lens are adopted in the on-line dimension image testing device, parallel lights are gathered to a focal point by a paraboloid reflecting surface at first, the gathered lights are converted into the parallel lights and projected to an intercepting screen by a convex lens set which shares the focal point with the paraboloid reflecting surface, the illumination strength is immediately displayed by the light sensing units on the intercepting screen, and the intuitive focus degree of the reflecting mirror can be shown through the illuminated strength and an outline of the intercepting screen

On-line dimension image testing device for focus degree of curved surface of optothermal-collecting electricity-generating reflecting mirror

The invention relates to a device for testing focal spots focused by a solar parabolic concentrator. The device takes full advantage of the linear beams generated by a semiconductor laser and tests the focused focal spots through reflection of a parabolic mirror. The device is simple and the method is feasible and is widely applied to various parabolic concentrators. The device belongs to the technical field of solar energy utilization.

Jiancheng Zhang

Papers

Device for testing focal spots focused by solar parabolic concentrator