51 results about "Single axis" patented technology

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 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 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.

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.

The application provides a kind of reference-free single-axis rotary table optical fiber strapdown inertial navigation field full-automatic calibration method, which can be realized by only needing a single-axis rotary table, replaces the higher precision double-axis or three-axis rotary table and other equipment calibrated by traditional calibration method, reduces the demand for equipment of field calibration, replaces the requirement of accurate north induction and leveling of traditional calibration method, has better adaptability to harsh environment, meets the demand of complex and changeable field, first calibrates horizontal constant bias, then calibrates sky direction gyro scale coefficient and sky direction to horizontal axis gyro installation error, finally calibrates three-axis gyro constant bias, compensates coupling error of each parameter according to the set calibration order, iteratively reduces, generates automatic calibration program by combining the calibration method designed by the application with rotary table control program, realizes full automation of field calibration process, greatly shortens the calibration time compared with traditional calibration method, has the characteristics of simple method, high efficiency and full automation.

The invention discloses a multi-degree-of-freedom adjustable supporting device for a photovoltaic panel, and the device comprises a base box which is vertically provided with a supporting column; the first rotating shaft is rotatably mounted on the supporting column, the first rotating shaft is connected with a second rotating shaft, and an angle is formed between the second rotating shaft and the first rotating shaft; the middle part of the supporting rod is rotatably mounted on the second rotating shaft, and a photovoltaic panel is mounted at the upper end of the supporting rod; the vertical shaft is rotatably installed on the base box, the vertical shaft is fixedly connected with a transmission rod, and the lower end of the supporting rod is rotatably installed at the end, away from the vertical shaft, of the transmission rod; and the motor is used for driving the vertical shaft and is mounted on the base box. The problem that an existing photovoltaic panel power generation system for tracking the sun trajectory adopts single-axis adjustment and is short in effective working time is solved.

A truss foundation system is disclosed for supporting a single-axis solar tracker in agrivoltaic installations. The system includes a screw anchor foundation component having an embedment end and an opposing driving end. A Y-shaped screw cap sleeves over the driving end of the screw anchor and includes a lower portion and a pair of upper portions extending at reciprocal angles relative to a vertical midline. A pair of truss legs are connected to the respective upper portions of the screw cap and extend upwardly to support the tracker structure.

The invention comprises embodiments of structural supports for solar panels installed within solar arrays. Some of the embodiments include a combination of cable and truss supports, and others include truss supports rigidly mounted to columns. Other embodiments include single axis tracker devices for mounting solar panels within a solar array of an installation. The devices can be roller mounted for selective horizontal displacement of the mounted solar panels at any desired location within the installation. The density or number of devices can also be adjusted within the installation to provide precise control of sunlight or shade for underlying vegetation.

The invention belongs to the related technical field of rotatable lamps, and particularly relates to a rotatable lamp. A light assembly is arranged on the lamp and comprises a light source; the reflection assembly comprises a reflection lens and a reflection cup; the light source is arranged at the bottom of the reflection cup; the reflection lens is arranged in the reflection cup; the rotating assembly comprises a rotating seat and a fixed surface ring; a connecting port is formed in the rotating seat, and the reflecting assembly and the lamplight assembly are arranged in the rotating seat; the fixed surface ring is arranged at the opening of the rotating seat so as to fix the reflecting assembly; the base assembly comprises a base; a rotating groove is formed in the base, and a connecting shaft is arranged in the rotating groove; the connecting shaft is provided with the threads, the rotating assembly and the base assembly are in single-shaft connection rotation through connection of the connecting shaft and the connecting port, and the problem that in the overturning process, part of the light source is shielded, and consequently light darkens is solved.

Method for positioning a single-axis solar tracker during overcast periods, comprising using a radiation-detecting sensor in the vicinity of the single-axis solar tracker to measure values of global horizontal irradiance (GHI) of the sun during a time interval; determining an estimation of a diffuse horizontal irradiance (DHIapx) based on measured values of global horizontal irradiance (GHI); determining an estimation of a global tilted irradiance (GTIapx) also based on measured values of global horizontal irradiance (GHi); comparing the diffuse horizontal irradiance (DHIapx) with the global tilted irradiance (GTIapx); and obtaining a maximum tracking angle (p) based on said comparison, such that when the diffuse horizontal irradiance (DHIapx) is greater than the global tilted irradiance (GTIapx) the rotation of the single horizontal axis (10) is limited to the maximum tracking angle (p).

The application provides a single-shaft solar wing driving mechanism for a stacked flat satellite and an assembling method thereof. The single-shaft solar wing driving mechanism comprises a motor module, a harmonic reducer module, a transmission shaft system module and an output shaft system module arranged in sequence along an axial direction, an angle sensor module sleeved on the transmission shaft system module and a machine shell module. The transmission shaft system module and the output shaft system module are respectively completed as independent units before the whole machine is assembled, and precision adjustment and performance verification are completed. The machine shell module is internally provided with a positioning stop or a bearing seat hole corresponding to the transmission shaft system module, the angle sensor module and the output shaft system module. The coaxialities between the positioning stops or the bearing seat holes are ensured by one-time clamping machining.