24 results about "Single axis" patented technology

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 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).

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.

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

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 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.

The application discloses a method for lunar calibration suitable for single-axis control, which comprises the following steps: firstly, selecting a time window for lunar calibration; then, describing a lunar vector in an orbit system within the time window to obtain a description result; taking a moment when the description result is maximum in the -Z direction as a calibration window to solve a central roll angle; and finally, controlling a roll angle change of the probe according to the solved central roll angle.

The present application relates to the technical field of single-axis tracking, in particular to a best-inclination flat single-axis photovoltaic tracking system, which comprises a sunshine inflection point capturing module, a shelter change calculation module, a trend linkage judgment module, a turning angle compression control module and a path adjustment execution module.In the present application, key angle deviation features are extracted through dynamic comparison of light deviation and component posture, combined with the direction consistency check of shelter area change trend, a dual condition linkage triggering mechanism is constructed, real light turning events are effectively screened to avoid false triggering interference, a difference increment judgment is introduced in the step adjustment process, a targeted angle compression strategy is formed, the subsequent execution path is calibrated after delay data compression, the inclination adjustment is more directional and continuous and the amplitude is more stable, the response efficiency is maintained while the mechanical impact is reduced, and the photovoltaic component provides a dynamic tracking path output with high responsiveness, low jitter, strong trend perception ability.

The embodiment of the invention discloses a low-orbit satellite observation method and device based on a fisheye camera. A specific embodiment of the method comprises the following steps: deploying an observation moment observation station comprising a single-axis rotating platform, a fisheye lens optical system and an electronic clinometer; according to the observation time observation station, acquiring a low earth orbit satellite star map at a preset exposure time, and storing an observation station position corresponding to the preset exposure time and inclination attitude data measured by the electronic inclinometer; determining a station center horizon coordinate of the low earth orbit satellite target at the preset exposure moment according to the preset exposure moment, the observation station position and the low earth orbit satellite map; fusing the station center horizon coordinates with pre-stored orbit initial data to obtain a fused low-orbit satellite orbit; and performing orbit determination on the fused low-orbit satellite orbit to obtain refined low-orbit satellite orbit parameters. The implementation mode overcomes the technical defects of low observation efficiency, poor maneuverability, single function and the like in the existing non-cooperative low orbit satellite observation.

A solar collection platform comprises a first heating stage providing a first heated medium output; a second heating stage thermally coupled to receive the first heated medium output, the second heating stage further heating the first heated medium output to provide a second, cumulative heated medium output; wherein the first and second heated stages are incorporated into a standard sized shipping container form factor containing a distributed thermal storage, and the first and second heating stages each comprise rotatable Fresnel lens arrays with single axis tracking. A rugged Fresnel lens panel support structure changes the elevational orientation of the panels in a single degree of freedom to track the changing position of the sun's elevational. Longitudinal linear adjustment of the panels' position corrects focal point for the sun's seasonal azimuth changes at low angles to increase efficiency.

The application relates to the technical field of optical observation equipment, in particular to a modular equatorial telescope and an astronomical telescope. The modular equatorial telescope comprises a base and a rotating module, and the rotating module comprises a first rotating module and a second rotating module. The modular equatorial telescope has a single-shaft mode and a double-shaft mode. In the single-shaft mode, the first rotating module is connected with the base to form a single-shaft equatorial telescope. In the double-shaft mode, the first rotating module is connected with the base and the second rotating module to form a double-shaft equatorial telescope. The application has the effect that the modular equatorial telescope can be flexibly combined into a single-shaft equatorial telescope or a double-shaft equatorial telescope according to the needs of users.

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 present application relates to a kind of space solar panel servo motor system rigid-flexible coupling modal modeling method, belong to spacecraft dynamics modeling technical field.This method aims to solve the failure of existing analytical model under single-axis large angle rotation and the problem that finite element model lacks explicit mathematical equation and is difficult to be directly used for control system design.The technical scheme is:establishing system geometry model and coordinate system;Adopting characteristic orthogonal polynomial to construct solar panel vibration displacement function;System kinetic energy, strain energy and hinge potential energy function are constructed;Based on Rayleigh-Ritz method, the system modal characteristic equation is established and the natural frequency and vibration mode are solved numerically.This method can realize the accurate modeling of single-axis large range rotation, and directly obtain low-dimensional high-precision explicit mathematical model, which is convenient for docking and co-simulation with control software.

The application provides a kind of multi-mirror tracking groove type concentrating collector system and tracking method, belongs to solar tracking field.To solve the problem of low precision, large area occupied by existing groove type concentrator using single-axis tracking and difficult to realize double-axis tracking technology, including main frame and four frame supports below, the main frame is provided with several crossbars, the crossbar is connected with plane mirror through first hinged component, the main frame below is provided with groove type concentrator, four corners of groove type concentrator are located in the same plane parallel to main frame, and four corners are connected with four frame supports or two corners are connected with frame telescopic support and other two corners are connected with frame support, and heat collecting tube is arranged on focal line of groove type concentrator.The position of groove type concentrator is controlled to the position of plane mirror and main frame, the control process does not occupy additional space, reduces the area occupied by groove type concentrator, reduces the control difficulty, which is beneficial to reduce the energy loss of groove type concentrator and improve its heat collecting efficiency.