64 results about "Single axis" patented technology

A total station includes a telescope and a tracking system for aligning an axis of the total station with a target. The tracking system includes a first emitter that emits first light toward the target and a first sensor that receives the first light reflected off the target. The first emitter and first sensor are horizontally offset from a lens center of the telescope. The tracking system also includes a second emitter that emits second light toward the target and a second sensor that receives the second light reflected off the target. The second emitter and second sensor are vertically offset from a lens center of the telescope. Corrective rotations are computed based on the received first light and the received second light.

The present disclosure concerns a large surface area solar energy generation apparatus and method that protects the solar system from meteorological or any other ambient threat and restores the solar system to operating condition once the threat has passed. The system is sufficiently large to cover parking lots and other large ground surface structures and offers double the conventional solar exposure surface area per supporting post. The apparatus generates more electricity with single axis and dual axis tracking. The apparatus is pre-assembled in a central production facility to avoid costly onsite construction and installed at the utilization site with minimal effort.

The invention belongs to the technical field of inertial navigation, and discloses a modulation inertial navigation real-time health monitoring method based on observation enhancement, which ensures the navigation safety of a carrier in a long-endurance task. According to the method, redundant configured inertial navigation system resources are fully utilized, relative postures, speeds and positions between two sets of single-axis rotation modulation inertial navigation systems are used as constraints for observation, an error model of the inertial navigation system is optimized, and a residual normalized joint error state adaptive state monitoring filter is established; a health state monitoring criterion is established, a threshold value is determined in real time based on estimation output of a filter, meanwhile, an azimuth gyroscopic drift variation fitting method based on the compass effect is designed to achieve separation estimation of azimuth gyroscopic drift, and then real-time monitoring of the health state of the inertial device is achieved. The method does not need the assistance of external information, and provides powerful guarantee for the safety and reliability of long-endurance navigation.

The invention relates to a control method of a multi-parameter oblique single-axis photovoltaic tracking device and the oblique single-axis photovoltaic tracking device. The control method comprises the steps that S1, the current illumination intensity, the current environment temperature, the current environment wind speed and the current photovoltaic output power fluctuation rate are acquired; and S2, according to the current illumination intensity, the current environment temperature, the current environment wind speed and / or the current photovoltaic output power fluctuation ratio, a target control scheme of the inclined single-axis photovoltaic tracking device is determined, and the target control scheme comprises a conventional weather control scheme and an extreme weather control scheme. According to the invention, the inclination angle of the inclined single-axis photovoltaic tracking device is cooperatively regulated and controlled through multiple parameters, the inclination states of the photovoltaic panel in different weathers are dynamically switched, the adaptability to extreme environments such as high temperature, strong wind, rainstorm and snow is enhanced, the damage of the extreme weather to the photovoltaic panel is effectively resisted, and the service life of the photovoltaic panel is prolonged. Therefore, the problem that the photovoltaic panel is possibly damaged in extreme environments such as high temperature, strong wind, rainstorm and snow is avoided.

The invention relates to a magnetic control method for a single-axis sun-oriented stable attitude of an optical microsatellite, and relates to the technical field of aerospace. The magnetic control method comprises the following steps: step 1, modeling optical microsatellite attitude dynamics adopting magnetic control; 2, calculating the posture of the single axis to the sun; 3, calculating an attitude control expected moment; and 4, calculating the expected magnetic moment of the magnetic torquer. According to the magnetic control method for the single-axis sun-oriented stable attitude of the optical microsatellite, the single-axis sun-oriented stable attitude control of the satellite can be realized under the condition of extremely low power consumption, and the energy stability of a non-task long-term mode and the reliable operation of the satellite can be ensured.

The invention discloses a system and a method for detecting energy uniformity of a focusing light spot of a laser receiving lens, and belongs to the field of laser guidance. According to the invention, the adjustable diaphragm, the 1 * telescope system and the pupil connection and object image conjugation principle of the to-be-measured lens are utilized, and continuous adjustment of the clear aperture of the entrance pupil of the to-be-measured lens in any field of view can be realized in cooperation with the single-axis turntable; a relation curve of different focusing spot sizes and response voltage of the four-quadrant laser detector can be obtained, and a test curve of focusing spot uniformity in any view field can be obtained after data processing, so that detection of focusing spot energy uniformity of a laser receiving lens in any view field is realized.

The invention relates to the technical field of solar power generation tracking, and discloses a solar power generation algorithm combining single-axis tracking and inverse tracking, which realizes collaborative optimization of single-axis tracking and inverse tracking, effectively avoids the problems of technology isolation and difficulty in later collaboration in the traditional design, and improves the power generation efficiency. Therefore, the performance of the photovoltaic system is comprehensively optimized at the initial stage of a project, the power generation efficiency is maximized, and the power generation capacity prediction of the system under different environmental conditions is more accurate by simulating the characteristics and control logic of the single-axis tracking and inverse tracking system in details and combining actual power station data to calibrate model parameters. Powerful data support is provided for scientific planning, design and performance evaluation of a photovoltaic project, and the industry can be developed more efficiently and sustainably.

The present disclosure concerns a large surface area solar energy generation apparatus and method that protects the solar system from meteorological or any other ambient threat and restores the solar system to operating condition once the threat has passed. The system is sufficiently large to cover parking lots and other large ground surface structures and offers double the conventional solar exposure surface area per supporting post. The apparatus generates more electricity with single axis and dual axis tracking. The apparatus is pre-assembled in a central production facility to avoid costly onsite construction and installed at the utilization site with minimal effort.

A zenithal single-axis solar tracker comprising a plurality of modules, each module formed by two symmetrical photovoltaic panels (1) that are in opposite positions with respect to a central tube (2) and attached to said tube by means of two pairs of arms (3), characterised in that each arm (3) is joined to the central tube (2) and to each of the two panels (1) forming each module, in such a way that the arms (3) are identical to each other, are mounted opposite the central tube (2) and are offset from the corresponding arms on the opposite side; and where the solar tracking movement in the east-west direction is provided by means of three drives.

The present invention involves a single-axis solar tracker and its drive system having a balanced crank-throw design for mounting photovoltaic panels, and in turn eliminating the need for an underlying traditional mounting bracket, mounting pivot, and / or torque tube. Each photovoltaic panel row rotates about one common rotation axis, while photovoltaic panels are segmented into discrete subsets mounted to simple fixed support bars extended away from the row's central rotation axis in a horizontally opposed crank-throw configuration. The drive mechanism has at least one rotary actuator within or at one or more ends of the row, such as an enclosed stepper slew motor, whose rotation axis defines the common rotational axis of the row.

The present invention relates to a horizontal single-axis electric solar radiation tracker, which includes vibration dampers (1:7, 4:7, 5:7, 8:7) positioned independently and on both sides of the support beam (4:1, 7:1, 8:1). The damper (1:7, 4:7, 5:7, 8:7) has the ability to adjust its position on the support beam (4:1, 7:1, 8:1), so that it can adapt to the local ground inclination (1:14, 2:14) of the installation. The positioning is carried out with threaded connections into multiple sockets or holes on the support beam (4:1, 7:1, 8:1), without the need for adhesives or integrated components such as circular mounting shells or spherical slide bearings. The construction allows the system to operate steadily and efficiently even on steep grounds, maintaining the alignment and performance of the photovoltaic collectors (1:15).

The invention relates to the field of optical measurement, in particular to a dynamic performance measuring device and method for a fast reflecting mirror, and the device comprises a swing table which is used for simulating the external dynamic disturbance of the fast reflecting mirror; the gyroscope is used for collecting motion data of an azimuth axis and a pitch axis of the swing table; the main control upper computer is used for controlling the swinging table to swing; the fast reflecting mirror controller is used for receiving motion data of the swing table monitored by the gyroscope in real time and generating a reverse control signal according to the received motion data to control the fast reflecting mirror to perform reverse compensation motion, and the camera is used for collecting image data of light spots on the fast reflecting mirror; and the image acquisition and analysis upper computer analyzes the motion trail of the light spot according to the received image data, calculates the drift rate of the gyroscope, and obtains the compensation effect of the fast reflecting mirror on the motion of the swing table in the single-axis direction, so that the single-axis compensation dynamic performance of the fast reflecting mirror is tested. According to the invention, the compensation performance of the fast steering mirror under different working conditions can be accurately and conveniently evaluated.

The present invention relates to a single-axis device for tracking the sun's path in its orbit to provide photovoltaic (PV) panels with maximum sunlight at any time of day, thereby significantly improving their efficiency. The invention can be combined with patent application no. FR2310044, which allows for the addition of a BOX to the PV panel to recover the waste heat produced on its underside as electricity or other products (green hydrogen), thereby further increasing the productivity of the solar array. The process is fully automated, requires minimal mechanization (no motor, only a low-power pump), and is simple to install and maintain for single panels, whether in series or in a field, regardless of the terrain. The trackers can share certain resources.Specific control and management software optimizes radiation capture, automates the system, and enables remote monitoring. The invention allows for the collection of satellite water using gutters, its storage, and its reuse, thus limiting the harmful environmental effects of runoff onto the ground. In its version implementing the BOX, it also allows for the complete inverting of the photovoltaic unit, exposing the metal face of the BOX to the elements (hail) and protecting the PV panels from mechanical damage. The system can also be equipped with an integrated windbreak system and / or a light reflector to improve the illumination of the panels located opposite it.

A parabolic trough solar collector for concentrated solar power (CSP) applications includes a solar concentrator, a central mount to which the solar concentrator is coupled, and a receiver tube fixed at a focal point above the solar concentrator. The solar concentrator is operable to actuate relative to a single axis through the receiver tube. The surface of the solar concentrator is arranged with a fixed slope relative to a horizontal plane.

A method for installing and assembling a truss foundation to support a single-axis solar tracker. A positioning subsystem determines an orientation of a machine mast's driving axis relative to an intended drive axis and controls the mast to be positioned so that the mast's driving axis is aligned with the intended drive axis of the screw anchor foundation component. After a pair of adjacent screw anchors are driven, the controller causes motion controllers to orient the mast so that an alignment jig for supporting truss apex hardware is held in place relative to the driven screw anchors at a predetermined point in space above them so that upper leg sections can be sleeved over connecting portions of the apex hardware and down on to the driven screw anchors.

The utility model relates to the field of solar single-shaft trackers, aims to solve the problems that in the prior art, a solar cell panel is inconvenient to disassemble and overhaul, and the working efficiency of overhaul work is not high, and provides a main shaft connecting mechanism of a solar single-shaft tracker, which comprises a base. An air cylinder is installed on the base, the output end of the air cylinder is connected with a tracker body, and a rotating assembly used for rotating the air cylinder is arranged in the base. A rotating rod is mounted on the tracker body, a plurality of uniformly distributed mounting rods are arranged on two sides of the rotating rod, the upper parts of the plurality of mounting rods are detachably connected with a plurality of mounting frames, and photovoltaic panel bodies are arranged in the plurality of mounting frames; mounting assemblies for limiting the positions of the mounting frames are arranged on the mounting rods; the installation assembly is provided with a clamping groove formed in the installation rod, an insertion column is arranged in the clamping groove in a matched mode, and the end, away from the clamping groove, of the insertion column is fixedly connected to the installation frame. The beneficial effects of the utility model are that the solar cell panel is convenient to disassemble and maintain, and the working efficiency of the maintenance work of the solar cell panel is high.

The present invention relates to a single-axis device for tracking the sun's path in its orbit to provide photovoltaic (PV) panels with maximum sunlight at any time of day, thereby significantly improving their efficiency. The invention can be combined with patent application no. FR2310044, which allows for the addition of a BOX to the PV panel to recover the waste heat produced on its underside as electricity or other products (green hydrogen), thereby further increasing the productivity of the solar array. The process is fully automated, requires minimal mechanization (no motor, only a low-power pump), and is simple to install and maintain for single panels, whether in series or in a field, regardless of the terrain. The trackers can share certain resources.Specific control and management software optimizes radiation capture, automates the system, and enables remote monitoring. The invention allows for the collection of satellite water using gutters, its storage, and its reuse, thus limiting the harmful environmental effects of runoff onto the ground. In its version implementing the BOX, it also allows for the complete inverting of the photovoltaic unit, which then exposes the metal face of the BOX to the elements (hail) and protects the PV array from mechanical damage. The process can also be equipped with an integrated windbreak system and / or a light reflector to improve the illumination of the panels located opposite it.

The utility model relates to the technical field of solar photovoltaic power generation, in particular to an inclined single shaft tracking photovoltaic array support which comprises two supporting plates, supporting assemblies arranged in an array mode are arranged between the two supporting plates, inclined single shafts are connected to the supporting assemblies in a rotating mode, a driving assembly is installed on the outer side of one supporting plate, and the driving assembly is installed on the outer side of the other supporting plate. A lead screw is installed between the two supporting plates, the two ends of the lead screw are rotationally connected with the two supporting plates respectively, one end of the lead screw is in transmission connection with the driving assembly, a telescopic rod is installed between the lead screw and the inclined single shaft, one end of the telescopic rod is fixedly connected with the inclined single shaft, an internal thread block is hinged to the other end of the telescopic rod, and the internal thread block is in threaded connection to the lead screw. According to the utility model, a plurality of inclined single-shaft tracking photovoltaic supports can be driven by one motor to carry out angle adjustment at the same time, so that the angles of photovoltaic panels can be conveniently adjusted at the same time, the construction cost is reduced, and the popularization and application of the inclined single-shaft tracking photovoltaic supports are facilitated.

A single axis solar tracking module is provided which comprises: two solar panels rotatably coupled to a rotational axis, wherein the rotational axis comprises a rod extending laterally along the at least two solar panels, wherein a first part of that rod extends laterally along a first of the two solar panels, and comprises a protrusion that matches a cavity starting from an edge of the second part of the rod, and wherein the second part of the rod extends laterally along a second of the two solar panels that is located adjacent to the first solar panel, so that by inserting the protrusion into the cavity, the first and second solar panels are attached to each other and the combined rod is used as their rotational axis; a frame, for mounting the two solar panels thereat; and a transmission system configured to rotate the frame of the single axis solar tracking module with the two solar panels mounted thereat.

The application discloses a visual-based wire welding tracking method. In the implementation, the connected plate to be welded is fixed on a rotating table through a suction cup, and a surface light source is turned on. The rotating table is controlled to rotate by a control device for one circle. In the period, the CCD photosensitive element in the groove receives the light excited by the welding seam and transmits the electric signal to the control device. The control device draws the curve of the maximum light position in one period changing with time, and controls the single-axis driving mechanism to drive the welding gun assembly to weld the plate according to the curve in the welding process, so that the low-cost intelligent welding is realized.

A solar plant and single axis solar tracker management method maximize power output production. The object of the invention embraces a solar plant and a method accounting for readings being made by field sensors whilst weather forecast data are provided by third parties such as weather forecast companies collecting and broadcasting weather forecast data related to sun irradiance levels and climate conditions affecting sun irradiance levels, like clouds, pollution or fog. Some of the solar trackers of the plant are furnished with irradiance sensors, whilst the solar plant has a plurality of solar sensors arranged along; these solar sensors being configured to measure irradiance on a horizontal plane. The object of the invention envisages an outpost solar tracker configured to take radiation measurements in an inclined plane and, when it is necessary to verify the measurements of the horizontal sensors, they will go to 0° positions.

A system is provided.SOLUTION: A system that achieves efficient power generation of a solar panel based on means for acquiring solar radiation amount data, means for acquiring weather data and a power generation history, means for predicting an optimum angle and direction of the solar panel using a generation model, means for transmitting the predicted angle and direction to a single-axis tracking system, means for predicting a deterioration state of the solar panel, and means for detecting an abnormality or a failure sign and notifying maintenance.SELECTED DRAWING: Figure 1

The invention relates to a single-shaft solar tracker (5) intended to be located in the heads (3) of a plurality of piles (4), wherein the piles are separated by spans and are fastened in the terrain, the solar tracker being characterised in that the shaft (5) comprises at least one flexible connection (1) located at a distance from one of the piles (4) comprised between 5% and 25% of the length of the span in which it is located.

The invention relates to electric solar trackers moving solar panels and being controlled by a solar tracker controller. Accounting for an estimation of the angle of positioning of the bifacial PV modules on a solar single axis tracker, in which the electrical energy produced is maximized by means of a process that quantifies the variation of irradiation on both the front and rear faces depending on the orientation angle of the module for each solar angle, and then the optimal position for the production of electrical energy is decided of all the solar trackers of the plant. The production of electrical energy can be further optimized by including an albedo modifying arrangement. An arrangement for enhancing energy production in bifacial solar panel modules having a front side and a rear side is also provided herein.

The utility model discloses a novel groove-type concentrating solar heat collection system, which is characterized in that a primary reflector is a line focusing reflector, a secondary reflector is a cylindrical reflector, the secondary reflector is arranged between the vertex and the focus of the primary reflector, the concentrating direction of the secondary reflector is vertical to the concentrating direction of the primary reflector, and the concentrating direction of the secondary reflector is vertical to the concentrating direction of the secondary reflector. The main reflector is installed on the single-axis tracking device, the receiver is installed on a focus of the concentrating solar heat collection system, and the receiver can move front and back to track focus position movement under different incident angles. The working temperature of the system is 550 DEG C, and the photo-thermal efficiency of the system can reach 63.3% and is close to the efficiency of a tower type system, so that the performance of the system is quite excellent. According to the system, the receiver needs to be moved to receive focused solar rays under different incident angles, a second tracking device does not need to be provided for the main reflecting mirror, the large-scale and low-cost single-shaft horizontally-installed groove type system is kept, and the reliability of the system is improved.

The invention provides a multi-type photovoltaic support configuration method and system based on power grid dispatching requirements, and relates to the technical field of data processing. The method comprises the following steps: respectively constructing unit photovoltaic module power generation models corresponding to three support installation modes of a fixed inclination angle support, a vertical installation support and a flat single-axis support based on meteorological parameters and performance parameters of photovoltaic modules; based on the historical meteorological data and the unit photovoltaic module power generation model, respectively determining unit photovoltaic module historical power generation power sequences of the three support installation modes; constructing a target output sequence used for representing a power grid time period power supply demand; and constructing an optimization function and determining an optimal support configuration amount by taking support configuration amounts corresponding to the three support installation modes as optimization variables and combining a unit photovoltaic module historical generation power sequence, a target output sequence and a site constraint condition. According to the technical scheme, the flexibility of the support configuration strategy of the photovoltaic power station and the scheduling demand matching performance can be improved.

A total station includes a telescope and a tracking system for aligning an axis of the total station with a target. The tracking system includes a first emitter that emits first light toward the target and a first sensor that receives the first light reflected off the target. The first emitter and first sensor are horizontally offset from a lens center of the telescope. The tracking system also includes a second emitter that emits second light toward the target and a second sensor that receives the second light reflected off the target. The second emitter and second sensor are vertically offset from a lens center of the telescope. Corrective rotations are computed based on the received first light and the received second light.

A two-layer photovoltaic mounting structure comprising a top layer and a bottom layer wherein: the top layer of the mounting structure consists of a plurality of two-sided photovoltaic strings (A) arranged parallel to one another, each photovoltaic string having a top surface (Fs) and a bottom surface (Fi), both surfaces being capable of generating electrical energy from the sun; the single-axis solar tracking system is connected to the photovoltaic string (A), the former being adapted to rotate the latter about its axis of rotation (5) by an angle (alpha); the solar tracking system positions the photovoltaic strings (A) such that the top surface (Fs) and the bottom surface (Fi) of each photovoltaic string (A) are located parallel to the incident light beam, thereby projecting a minimum shadow on the bottom layer of the mounting structure; the bottom layer of the mounting structure consists of additional photovoltaic strings or reflective surfaces.

The application discloses a heading effect error calibration and compensation method of an inertial measurement unit, and is based on a calibration system composed of a single-axis turntable, a transfer tool, an optical assembly and a sighting device. After the system-related devices are installed in place, the sighting device performs optical sighting on the optical assembly, and the heading angle of the optical assembly is obtained. In combination with the spatial geometric transmission relationship of the optical assembly, the transfer tool and the inertial measurement unit, the heading angle optical sighting value of the inertial measurement unit is indirectly obtained. Through high-precision angle position control of the single-axis turntable around the sky axis, self-alignment of the inertial measurement unit at any position in the full heading range is realized, and a difference value is obtained by subtracting the heading angle optical sighting value, which is used for parameter estimation of a compensation model. Finally, the compensation model is embedded in the inertial measurement unit, and compensation of the self-alignment result is realized. The application has the advantages of simple operation process, high execution efficiency, low cost and small calculation amount.

Improved masts for solar pile driving machines are provided that incorporate inline drilling as well as alignment and assembly devices that enable greater positional accuracy than possible with conventional equipment. In some cases, a jig, holder, or other device on the mast of the machine can be used to place a bearing assembly for a single-axis tracker while the foundation is being installed. Also disclosed are various multi-piece foundation piles that enable positional adjustment between below and above-ground components to compensate for misalignment.