405 results about "Heliostat" patented technology

The invention provides a heliostat support which comprises a base, an azimuth angle driving device, a connecting base, a heliostat bracket and an elevating angle driving device, the azimuth angle driving device is connected with the base and the connecting base, the heliostat bracket is rotationally connected with the connecting base, and at least one of the connecting base and the output end of the azimuth angle driving device is connected with the heliostat bracket through the elevating angle driving device; the heliostat support further comprises a damping device, and at least one of the connecting base and the output end of the azimuth angle driving device is connected with the heliostat frame through the damping device. The invention further provides a heliostat which comprises the heliostat support and a reflecting mirror set, and the reflecting mirror set is installed on a mirror bracket and fixed. According to the heliostat support and the heliostat provided by the invention, the damping device is arranged, the mirror bracket is connected with at least one of the connecting seat and the output end of the azimuth angle driving device through the damping device, and wind vibration energy can be consumed under a wind load, so that the heliostat mirror bracket is kept stable, and the influence of wind vibration on the light spot focusing accuracy of the heliostat is reduced.

The invention provides a heliostat unmanned cleaning system and a cleaning method, and solves the problems of complex operation, high operation control difficulty, low working efficiency and incapability of highly automatic cleaning of heliostat cleaning equipment which is manually controlled in a heliostat field. According to the technical scheme, the system comprises a cleaning vehicle which is managed and controlled through cleaning vehicle management calculation, a heliostat adjusting system, an RFID recognition system used for recognizing heliostats, an automatic charging system and an automatic water supplementing system. An automatic cleaning subsystem of the cleaning vehicle is provided with a six-axis mechanical arm, a cleaning mechanism, a Beidou positioning navigation subsystem, a limited automatic driving subsystem and a heliostat recognition subsystem. According to the cleaning method, the RFID reader-writer on the RFID system is used for scanning the RFID chips arranged on the heliostat support on the periphery to position the accurate position of the cleaning vehicle, unmanned and automatic heliostat cleaning is basically achieved, dependence on manpower is greatly reduced through unmanned cleaning, and the heliostat cleaning cleanliness is guaranteed.

The present invention relates to a method and apparatus for calculating and evaluating the loss of light collection efficiency of a heliostat. 【Solution means】The present invention simulates the pulsating wind load distribution of a heliostat at different elevation-azimuth angles by CFD calculation, extracts the aerodynamic admittance function and shape parameters, constructs a pulsating wind load spectrum prediction model, calculates the pulsating wind load spectrum by combining the attitude parameters of the heliostat, applies the pulsating wind load spectrum to the structural model of the heliostat mirror by finite element analysis, obtains the instantaneous dynamic response, displacement and strain distribution characteristics of the heliostat, simulates the influence of mirror deformation on the light reflection path, quantifies the instantaneous influence on the light collection efficiency of the deformed mirror, and generates a dynamic curve of the change of light collection efficiency over time.

The invention relates to the technical field of solar thermal power generation, and discloses a mirror field and heat absorber cooperative control method and system, and the system comprises a simulation coupling module which determines a light incident angle based on irradiation data and a sun position model, builds a heliostat model in a simulation environment, simulates a three-dimensional thermal fluid, determines a heat absorber model, and controls the heliostat model and the heat absorber model; the control strategy module determines a control strategy according to the heliostat model and the heat absorber model, the control strategy module integrates a plurality of intelligent control algorithms, predicts a future state and adjusts control input based on the models, and the environment simulation module provides a training scene and a fault working condition scene of extreme weather and sets the extreme weather as a plurality of risk levels. The data analysis module collects and stores operation data, the operation state and performance indexes are displayed through a visual interface, control input is adjusted for the actual working condition and the future state on the basis of a dynamic model, and good control stability is achieved.

The invention discloses a heliostat back surface type detection method and system, belongs to the technical field of heliostat surface type detection, and can solve the problems that an existing detection mode is low in detection efficiency, unstable in detection result and high in detection cost. The method comprises the following steps: S1, acquiring position information of a plurality of points on the back surface of a heliostat to be measured to form back surface point cloud data; the position information comprises an acquisition distance, a pitch angle and an azimuth angle; s2, performing coordinate transformation and rotation translation on the back point cloud data in sequence to obtain rotated point cloud data; the normal vector of the rotated point cloud data is parallel to the coordinate axis, and the central point of the rotated point cloud data coincides with the original point of the coordinate axis; and S3, fitting the back surface type of the heliostat to be measured according to the rotated point cloud data to obtain a back fitting surface type, and determining a back surface type detection result of the heliostat to be measured according to the back fitting surface type. The method is used for detecting the back surface type of the heliostat.

The invention relates to the field of heliostat calibration, and discloses a scheduling method for calibrating heliostats through cooperation of artificial light sources and cameras in a large-scale heliostat field, and the method comprises the following steps: determining the heliostat range covered by each camera, determining the heliostat range covered by each artificial light source, and determining the heliostat range covered by each camera; the method comprises the following steps: determining the center and size of a light spot in an image shot by a camera when the heliostats are calibrated, determining the heliostats which can be calibrated in the coverage range of each artificial light source-camera combination, regarding each effective calibration combination as a node to construct an undirected graph, dividing the nodes into a plurality of groups through a graph grouping algorithm, and ensuring that the nodes in the same group are not connected with each other, therefore, all combinations in the same group can execute calibration in parallel. According to the method disclosed by the invention, the problem of affiliation misjudgment caused by light spot interference between heliostats is solved, possible shadow and shielding problems are avoided, dynamic scheduling of the artificial light source and the camera is realized, and invalid operation time is shortened.

A heliostat column precision measuring method comprises the steps that an auxiliary measuring chord on a column end plate of a heliostat is acquired, and the distance between the auxiliary measuring chord and the axis of the column end plate is eccentric height; acquiring coordinates of a second measuring point and a third measuring point at two end points of the auxiliary measuring string; obtaining coordinates of a first measurement point outside the auxiliary measurement chord, wherein the distance from the first measurement point to the second measurement point is equal to the distance from the first measurement point to the third measurement point; acquiring a first diameter of the distance from the first measuring point to the auxiliary measuring string; according to the coordinates of the first measuring point; coordinates of a second measuring point; the coordinate of the third measuring point, the eccentric height, the first diameter and one or more parameters for calculating the precision of the stand column, and the precision parameters of the stand column comprise the coordinate of the center point of the stand column, the included angle between the axis of the stand column end plate and the due north direction, the levelness of the stand column end plate and the perpendicularity of the stand column.

The utility model relates to a bonding sheet of a high-precision heliostat reflecting surface supporting assembly, which comprises a bonding sheet main body, a clamping mechanism is arranged on the lower side of the bonding sheet main body, the clamping mechanism comprises a hollow inserting rod, a rotating shaft, a tooth column and four clamping blocks, the rotating shaft is rotatably arranged on one side of the inner wall of the rotating shaft, and the tooth column is arranged on the other side of the rotating shaft. The tooth column is fixedly installed at one end of the rotating shaft, four clamping grooves are formed in the circumferential side of the hollow inserting rod, the clamping blocks are installed in the clamping grooves in a sliding mode, and a tooth plate is fixedly installed on one side of each clamping block and engaged with the tooth column. By means of the clamping mechanism, when the bonding sheet is installed on the supporting assembly, a worker can conveniently and rapidly install the bonding sheet on the supporting assembly, the subsequent worker can conveniently disassemble the bonding sheet, and therefore the using convenience of the bonding sheet is improved.

The invention discloses an automatic cleaning system and method for a reflector of a photo-thermal power station. The automatic cleaning system and method are suitable for cleaning tower type photo-thermal electric field heliostats and linear Fresnel photo-thermal reflecting mirror surfaces. According to the scheme, the system is mainly composed of a water (gas) distribution vehicle, a reflective mirror area management point, a mirror surface cleaning module and a control system. The mode of combining the Internet of Things technology and remote control is adopted, work of water supply, air supply (blow-drying of the mirror surface) and facilities of scraping plates and spraying is achieved, and the purpose of cleaning the mirror surface is achieved. Wherein the center of the tower-type photo-thermal heliostat surface is provided with a rotating shaft and a spraying scraper blade; the linear Fresnel photo-thermal reflecting mirror surface is provided with a reciprocating type driving mechanism and additionally provided with a water spraying scraper blade facility. According to the system, cleaning equipment is integrated on the reflective mirror, water (gas) is supplied by the water (gas) supply vehicle, full-automatic and efficient cleaning is achieved, and the cleaning efficiency and quality of the reflective mirror are improved.

The invention relates to the field of photo-thermal and photovoltaic technologies, in particular to a spanning type heliostat cleaning device. The invention provides a spanning type heliostat cleaning device. The spanning type heliostat cleaning device comprises a trolley assembly, a mirror surface cleaning device, a waste water collecting device and a water supply mechanism. The trolley assembly comprises a frame mechanism and a wheel mechanism, the frame mechanism is installed on the wheel mechanism, and an access channel extending in the first direction is formed in the trolley assembly; the mirror surface cleaning device comprises a transverse driving mechanism, a lifting driving mechanism and a mirror surface cleaning mechanism which are connected in sequence, the transverse driving mechanism is mounted at the top of the frame mechanism, and the lifting driving mechanism is vertically mounted on the transverse driving mechanism. According to the spanning type heliostat cleaning device, spraying water can be recycled, consumption of fresh water resources for heliostat cleaning can be remarkably reduced, and limited water resources can be distributed and used more reasonably. By means of the waste water collecting device, spraying water which is wasted originally is collected and reused, and recycling of water resources is achieved.

Methods and systems for separating a first metal from a metal-containing feed stream are provided. The method can include applying solar energy, for example, by focusing one or more mirrors in one or more heliostats, to heat a metal-containing feed stream in a heating zone to a first temperature to produce a first vapor including the first metal. The first vapor can be condensed in a condensation zone to produce a first liquid including the first metal, and the first liquid can be collected. The system can include a separation unit include a heating zone in fluid communication with a condensation zone and a means for applying solar energy to heat a metal-containing feed stream disposed in the heating zone.

Methods and systems for separating a first metal from a metal-containing feed stream are provided. The method can include applying solar energy, for example, by focusing one or more mirrors in one or more heliostats, to heat a metal-containing feed stream in a heating zone to a first temperature to produce a first vapor including the first metal. The first vapor can be condensed in a condensation zone to produce a first liquid including the first metal, and the first liquid can be collected. The system can include a separation unit include a heating zone in fluid communication with a condensation zone and a means for applying solar energy to heat a metal-containing feed stream disposed in the heating zone.

The invention discloses a tower type photo-thermal power station heliostat cleaning system which comprises a walking track, a walking mechanism and a cleaning mechanism, the walking track is fixedly installed on the ground of a tower type photo-thermal power station through a guide rail support, the walking mechanism is hung on a guide rail of the walking track through walking wheels, and the cleaning mechanism is placed in the walking mechanism. The walking mechanism can walk to the heliostat needing to be cleaned along the walking track, after the heliostat is adjusted to be in a proper state, the cleaning mechanism moves to the heliostat from the walking mechanism, accumulated dust on the heliostat is removed in the modes of air injection, water sprinkling, wiping, scraping and the like, the reflectivity of the heliostat is improved, the photo-thermal conversion efficiency of a condensation system is guaranteed, and the service life of the heliostat is prolonged. The heliostat cleaning system is a key technology for realizing automatic cleaning of the tower type photo-thermal power station.

A sighting system (200) of a heliostat. A light redirecting element (430) is provided on a first light path (410), and sunlight (440) reflected by a heliostat (132) passes through the light redirecting element (430) to obtain redirected sunlight (450) capable of being incident to an imaging module (214). Scattered light (460) of a heat absorber (110) travels through a second light path (420), maintains the original direction thereof, and is directly incident to the imaging module (214). The sighting system (200) realizes simultaneous imaging of the sunlight (440) reflected by the heliostat (132) and the scattered light (460) of the heat absorber (110) by means of the first light path (410) and the second light path (420), thereby converting the problem of controlling the rotation of the heliostat (132) into the problem of determining an angle difference between the sunlight (440) reflected by the heliostat (132) and the scattered light (460) of the heat absorber (110) by means of image comparison between the sunlight (440) reflected by the heliostat (132) and the scattered light (460) of the heat absorber (110).

A system for providing a contour map of the surface of a heliostat from reflected sunlight using a fly's eye camera. The system includes an entrance screen configured to receive sunlight reflected by said heliostat; an array of imaging apertures extending across the entrance screen, each aperture forming an image of said heliostat from a different viewpoint to provide a plurality of heliostat images; one or more digital cameras configured to view all of said plurality of heliostat images; an image processor configured to map out from the plurality of heliostat images a location of sunlight delivered to the entrance screen to obtain a plurality of maps, and to provide, based on centroids of said maps a tip and tilt of each said subsection The reflecting surface profile of the heliostat is obtained by integration of the subsection tilts across all the subsections.

The invention provides a method and device for generating a heliostat field arrangement scheme of mountain topography, and relates to the technical field of solar thermal power generation engineering, and the method comprises the steps: constructing an irregular triangular network model of an initial heliostat field arrangement range through employing a Delou triangulation method; establishing a three-dimensional terrain curved surface model according to the irregular triangular net model; regularized grid arrangement is implemented on the three-dimensional terrain curved surface model; performing interpolation analysis on each grid in the regularized grid arrangement by adopting a cubic spline interpolation function, and determining an initial coordinate and a height of the heliostat field; and carrying out multi-objective optimization on the initial coordinates and the height by utilizing a projection area constraint condition and a self-adaptive gravitational search algorithm to obtain a final heliostat field arrangement scheme. According to the method, the technical defects of insufficient terrain adaptability, imperfect shielding effect control, insufficient system energy efficiency optimization and the like in the implementation process of the existing technical scheme can be effectively solved.

A drone deployable modular system for remote solar energy generation utilizes remote-controlled multi-rotor drones configured to deliver and maintain modular heliostat units for assembly into heliostat fields in remote locations. The drone deployable modular heliostat unit may include a frame that supports at least one deployable, mirrored surface controlled by a heliostat driver. In one embodiment, the deployable, mirrored surface is a MYLAR film tensioned over a mirror frame portion supported and controlled by the heliostat driver to orient a working face of the mirrored surface in various positions. The drone deployable modular heliostat unit may include a deployable stand arrangement and / or an anchor system. The modular heliostat units may be configured to be deployed in heliostat fields in a generally peripheral arrangement to provide reflected solar energy to a centrally located concentrating solar collector / energy utilization system.

The invention provides an error compensation method for a heat absorption screen of a tower type photo-thermal power station and an automatic operation system for the tower type photo-thermal power station. The method is applied to a control system of a tower-type photo-thermal power station, and comprises the following steps: dividing an annual time interval to obtain a plurality of characteristic time periods; according to corresponding target point positions configured by a control system, compensation parameters used for adjusting the target point positions in the different characteristic time periods are generated, and the compensation parameters are stored in the control system; in the preheating stage of the tower type photo-thermal power station, the compensation parameter of the corresponding target point is read according to the characteristic time period to which the current date belongs; and sending the compensation parameters to a control system of the tower-type photo-thermal power station, adjusting the target point positions of the heat absorption areas through the control system, and sending the target point positions to corresponding heliostat controllers so as to carry out attitude adjustment compensation on the heliostats. According to the technical scheme, the preheating efficiency can be improved.

The utility model discloses a heliostat frame and a heliostat, and relates to the technical field of solar photo-thermal power generation, the heliostat frame comprises a main support beam, a triangular auxiliary support beam and an inclined support beam, the heliostat is arranged on the auxiliary support beam, the main support beam comprises a first main support beam and a second main support beam, the first main supporting beam is located at the vertex of a triangle, the second main supporting beam is fixedly connected with the auxiliary supporting beam through a first connecting module, and the first main supporting beam and the second main supporting beam are fixedly connected through a plurality of second connecting modules; one end of the inclined supporting beam is fixedly connected to the second connecting module through a third connecting module, and the other end of the inclined supporting beam is fixedly connected to the auxiliary supporting beam through a fourth connecting module. The utility model has the advantages of high mirror bracket rigidity, high angle precision and high expandability.

The invention discloses a tower-type solar radiation energy density distribution simulation parameter determination method, which comprises the following steps of: sampling parameters with relatively large influence on the number of light rays on a receiver, and determining the optimal number of light rays on a corresponding initial receiver according to sampling values corresponding to each group of parameters; and constructing a data set based on the sampling values corresponding to each group of parameters and the optimal light number on the corresponding initial receiver. Constructing a neural network, training and optimizing the neural network to obtain an optimized neural network model, for any given mirror field, obtaining an optimal light number on a target receiver through the neural network model, and calculating an interception rate according to the optimal light number on the target receiver; therefore, the number of light rays on the target heliostat infinitesimal element is obtained. According to the method provided by the invention, a basis is provided for setting the number of the light rays on the heliostat infinitesimal elements in a radiation energy density distribution simulation algorithm, and the simulation efficiency can be effectively improved on the premise of ensuring the simulation precision and stability.

The present invention discloses a heliostat calibration method using a self-correcting calibration device, comprising the following steps: setting initial parameters of the calibration device and initial parameters of the heliostat motion model, calculating a theoretical heliostat posture value in which the center of the heliostat light spot falls exactly on the center of a camera; calibrating each heliostat using the calibration device to obtain a heliostat posture calibration value; constructing a normal / abnormal calibration result statistical table to determine which calibration devices are abnormal; correcting abnormal calibration devices; recalibrating each heliostat using the corrected calibration device, reconstructing a normal / abnormal calibration result statistical table to determine which heliostats are abnormal; and calibrating heliostats determined to be abnormal. The calibration method disclosed by the present invention can eliminate the influence of errors in the calibration system itself, reduce the period of regular manual calibration of the calibration system, and improve the accuracy of heliostat calibration.

An auxiliary calibration apparatus and method for a heliostat, and a photothermal power generation system. The auxiliary calibration apparatus for a heliostat comprises a calibration body and a detection assembly. The calibration body comprises a first optical surface and a second optical surface which are oppositely disposed. The detection assembly is provided with a first sensing surface and a second sensing surface, the first sensing surface being parallel to the second sensing surface. The detection assembly is used for detecting a second light spot position of a target point of a receiving tower on the second sensing surface after passing through the second optical surface, and detecting a first light spot position of the image of the sun in a heliostat on the first sensing surface after passing through the first optical surface, so as to adjust the angle of the heliostat on the basis of the second light spot position, such that the first light spot position and the second light spot position are symmetrical about the center of the detection assembly. By using the described solution, the adjustment precision of the heliostat can be improved.

Methods and systems for separating a first metal from a metal-containing feed stream are provided. The method can include applying solar energy, for example, by focusing one or more mirrors in one or more heliostats, to heat a metal-containing feed stream in a heating zone to a first temperature to produce a first vapor including the first metal. The first vapor can be condensed in a condensation zone to produce a first liquid including the first metal, and the first liquid can be collected. The system can include a separation unit include a heating zone in fluid communication with a condensation zone and a means for applying solar energy to heat a metal-containing feed stream disposed in the heating zone.

The invention provides a pyrolysis coke recycling biomass pyrolysis system and method based on secondary reflection condensation, the system comprises a heliostat field, a secondary reflector, a pyrolysis coke heat collector and a pyrolysis furnace, the heliostat field and the pyrolysis coke heat collector are both installed on the ground, the secondary reflector is arranged above the pyrolysis coke heat collector, and the pyrolysis furnace is arranged above the pyrolysis coke heat collector. The pyrolysis coke heat collector is connected with the pyrolysis furnace; the heliostat field is used for reflecting sunlight to the secondary reflector for condensation, the secondary reflector is used for reflecting the condensed sunlight to the pyrolytic coke heat collector, and the pyrolytic coke heat collector is used for heating pyrolytic coke and transmitting the pyrolytic coke absorbing heat to the pyrolysis furnace; the pyrolyzing furnace is used for taking the heat-absorbed pyrolytic coke as a heat source to generate pyrolytic reaction with biomass, so as to obtain high-temperature pyrolytic coke, flue gas and pyrolytic gas. According to the invention, the height from the pyrolytic coke heat collector to the ground can be reduced, the safety of the system and the operability of maintenance during failure can be improved, the system structure is more compact, and the construction cost is low.

The utility model relates to an energy-saving rapid installation device for a tower type photo-thermal power station heliostat, and relates to the technical field of heliostat pipe pile construction, the energy-saving rapid installation device comprises at least two hoisting assemblies and positioning pipes, and the two ends of each heliostat hoisting pipe are each provided with at least one hoisting assembly and one positioning pipe; the hoisting assembly comprises a hoisting frame and a hoisting belt; one end of the hoisting belt is detachably connected to the hoisting frame; the positioning pipe is parallel to the hoisting pipe, one end of the positioning pipe is connected to the hoisting frame, the other end of the positioning pipe is inserted into the hoisting pipe and detachably connected with the hoisting pipe, and the hoisting frame is eccentrically connected to the positioning pipe. The heliostat hoisting device has the effect of improving the balance degree in the heliostat hoisting process.

The invention discloses a medium and low latitude concentric circle mirror field layout optimization method taking a heat collection tower as a center. The method comprises the following steps: preparing before model establishment; sequentially establishing a heliostat reflection model, a heliostat cosine efficiency model, a heliostat shadow shielding efficiency model and a heliostat overflow efficiency model based on the working principle of the tower type solar photo-thermal power station; establishing a concentric circle mirror field layout optimization model taking the heat collection tower as the center; according to the method, an optical efficiency model of the heliostat is established based on a cosine efficiency model, a shadow shielding model and an overflow efficiency model of the heliostat by combining solar apparent motion parameters; a mirror field layout optimization model with a heat collection tower as the center is established, solution searching is carried out with the help of a genetic algorithm, so that an optimal combination scheme of detail parameters of the mirror field is obtained, the highest annual average optical efficiency is 65.9% under the condition that the rated power of the mirror field with the radius of 350 m is 60 MW, and if the rated power is not fixed, the maximum annual average output thermal power can reach 95.119 MW. And the maximum annual average optical efficiency can reach 73.1%.

The invention provides a multi-tower one-machine photo-thermal power generation system which is composed of five tower type heat collection systems, heat absorption towers in the five tower type heat collection systems are arranged in an isosceles trapezoid mode, and the heat absorption towers in the first tower type heat collection system, the second tower type heat collection system, the third tower type heat collection system, the fourth tower type heat collection system and the fourth tower type heat collection system are located at the four vertex positions of the isosceles trapezoid respectively. A heat absorption tower in the fifth tower type heat collection system is located at the midpoint position of the bottom edge of the isosceles trapezoid, and the first tower type heat collection system, the second tower type heat collection system, the third tower type heat collection system and the fourth tower type heat collection system are each composed of a heat absorption tower and a heliostat field. The fifth tower type heat collection system is composed of a heat absorption tower, a heliostat field, a steam generation system, a steam turbine generator set, a hot salt tank and a cold salt tank. The heat absorption tower is arranged on the south side of the center of a heliostat field; through the overall optimization of the layout of the multi-tower one-machine photo-thermal power generation system and the design of the pipeline length and the pipeline nominal diameter, the power generation efficiency of the whole multi-tower one-machine photo-thermal power generation system can be effectively improved, and the multi-tower one-machine photo-thermal power generation system always keeps high-efficiency operation; and meanwhile, the construction cost of the multi-tower one-machine photo-thermal power generation system can be effectively reduced.

The present invention belongs to the technical field of DNI data processing, and specifically relates to a method for obtaining accurate DNI data for a tower mirror field. The method comprises: S1: quality judgment of direct radiation data: obtaining extraterrestrial normal direct radiation, normal direct radiation on the earth's surface, total horizontal global radiation on the earth's surface, and scattered horizontal radiation on the earth's surface from a meteorological station, and calculating the direct beam transmittance, effective global horizontal transmittance, and effective scattered horizontal transmittance in combination with the solar zenith angle; dividing the direct radiation DNI into three levels based on the direct beam transmittance, effective global horizontal transmittance, and effective scattered horizontal transmittance; S2: obtaining accurate DNI data according to the classification of direct radiation DNI. The method provided by the present invention can obtain accurate DNI data, and provide help for more accurately determining the number of heliostat projections and calculating more accurate thermal energy.

The invention relates to the technical field of energy storage and new energy power generation, and discloses a tower-type photo-thermal system aiming method and device.The method comprises the steps that a relative coordinate system of the position of a heat absorber, the position of a heliostat and the position of the sun is established; calculating an independent light spot of reflection light corresponding to each heliostat based on the position of the heat absorber, and marking the light spot of which the drop point is the heat absorber as an incident light spot; overlapping all the incident light spots to obtain an initial combined light spot; the initial combined spot is adjusted based on a heat absorber acceptable spot upper limit. The invention provides a light spot simulation, aiming strategy determination and combined light spot detection and correction method and an aiming point determination method of a photo-thermal power station, realizes a heliostat light spot offset and aiming center correction method aiming at a concentrating photovoltaic part, improves the energy utilization rate, and improves the energy utilization rate. And a hardware arrangement strategy provided by the invention can effectively ensure the safety of the heat absorber.

1. Name of the design product: heliostat. 2. Use of the design product: heliostat is an optical device that can automatically track the sun and reflect sunlight to a fixed target. 3. Design points of the design product: in the combination of shape and pattern. 4. Picture or photo that best indicates the design points: perspective view.