159 results about "Follow-the-sun" patented technology

The present invention focuses on the development of a high-performance solar photovoltaic (PV) energy conversion system. The power circuit of the invention is made of a two-stage circuit, connecting a step-up DC-DC converter and a full-bridge inverter in serial. The present invention uses an adaptive perturbation and observation method to increase tracking speed of maximum power position and at the same time reduces energy loss. In addition, the full-bridge inverter's output has to have the same phase with the utility power in order to achieve unit power factor and increase the system efficiency. The present invention uses voltage type current control full-bridge inverter to achieve the goal of merging into utility grid. The present invention provides an active Sun tracking system, by utilizing the character of changing in open circuit output voltage with Sun radiation strength to follow the Sun, and decreases the system cost and increases system effectiveness.

The present invention focuses on the development of a high-performance solar photovoltaic (PV) energy conversion system. The power circuit of the invention is made of a two-stage circuit, connecting a step-up DC-DC converter and a full-bridge inverter in serial. The present invention uses an adaptive perturbation and observation method to increase tracking speed of maximum power position and at the same time reduces energy loss. In addition, the full-bridge inverter's output has to have the same phase with the utility power in order to achieve unit power factor and increase the system efficiency. The present invention uses voltage type current control full-bridge inverter to achieve the goal of merging into utility grid. The present invention provides an active Sun tracking system, by utilizing the character of changing in open circuit output voltage with Sun radiation strength to follow the Sun, and decreases the system cost and increases system effectiveness.

A solar tracking system for mounting on a roof having one or more rooftop planar surfaces includes an array of solar tracking assemblies for at least one of the one or more rooftop planar surfaces, each array of solar tracking assemblies mountable at substantially the same orientation on the rooftop planar surface, each solar tracking assembly including a mounting structure, a steering mechanism, and one or more energy converting units that convert solar energy into electrical energy, the steering mechanism supported at least in part by the mounting structure and the one or more energy converting units steered by the steering mechanism; a drive mechanism that drives multiple steering mechanisms of the array of solar tracking assemblies; and a control processor that controls the drive mechanism so that the one or more energy converting units follow the sun.

The wind turbine with integrated solar panels involves a wind turbine wherein solar cells attach to the tower supporting the wind turbine. The solar cells are mounted upon a railing system that enables the solar cells to swivel vertically and rotate about the tower in order to follow the sun in the sky.

A high-efficiency residential solar thermal power plant for economically generating power from solar-thermal energy, using a parabolic trough mirror having a longitudinal focal axis, for concentrating sunlight, a timer rotator for rotating the mirror about the focal and longitudinal rotation axis to follow the sun, and a heat collector surrounding a flow channel that preferably has an oblong cross-sectional shape with a major axis aligned with a longitudinal plane of symmetry of the parabolic trough mirror. The heat collector is coaxially positioned along the focal axis of said mirror to receive concentrated sunlight so that a working fluid is heated and provided for use through an outlet end of the heat collector.

A solar collector includes a plurality of elongated parabolic reflectors mounted within a glass-topped enclosure for pivotal movement such that each reflector is incrementally pivoted throughout the course of a day to remain substantially perpendicular to the sun. The incremental pivotal movement is caused by a motor energized from a solar switch having solar cells that also pivot throughout the day so that in one position of the switch, no electricity is being generated and transferred to the motor, but in a second position, the switch receives solar radiation and energizes the motor to again incrementally pivot each reflector along with the solar switch. The reflectors are therefore incrementally pivoted throughout the course of a day to follow the sun for optimal collection of solar radiation which is used to heat liquid carried by tubes positioned at the axis of generation of the parabolic reflectors and / or strips of solar cell material so that electricity can be generated alone, liquid heated alone, or liquid heated and electricity generated simultaneously.

The invention provides an automatic follow sun device and a connecting drive mechanism and relates to the solar energy utilization technical field; the automatic follow sun device is formed by that: a push-pull device of a bracket is accurately controlled by a controller to drive a ratchet wheel device intermittently; the ratchet wheel device is connected with and drives a light absorbing body to rotate and follow the sun, or an electromotor of the bracket and a clutch of a ratchet wheel row are accurately controlled by the controller; the electromotor drives the ratchet wheel row; the ratchet wheel row is connected with and intermittently drives the light absorbing body to rotate and follow the sun; a connecting drive mechanism is a mechanism which uses parallel connecting rods to hinge a plurality of parallel light absorbing bodies in parallel. The invention provides a follow device with short gearing chain, simple and reliable structure and accurate follow angle: each drive only feeds the light absorbing body to rotate several percent degrees or even a smaller angle uniformly. The invention has millions of evolvement proposals and wide application scope and can be widely used in a photovoltaic battery plate, a solar cooker, a flat plate heat collector, a solar furnace, a solar energy boiler and a solar energy utilization device to follow the sun.

The present invention involves a ganged single axis solar tracker and its drive system having at least two rows of solar trackers and a drive mechanism. Each tracker row shares one common rotation axis and the at least two tracker rows are placed in parallel. At least one torque arm is rigidly and perpendicularly connected to the each tracker rotation axis. The drive mechanism has at least one rotary actuator, such as a slew drive, whose rotation axis is parallel to the tracker rotation axes. At least one drive torque arm is rigidly and perpendicularly connected to the drive rotation axis. The drive torque arm and the tracker torque arms are hinge connected with a series of rigid beams. The linkage beams are perpendicular to the tracker and drive rotation axes. The rotary drive rotates and creates a rotation movement. The drive torque arm follows the rotation movement of the drive, which consequently converts a linear push-pull movement in the linkage beams. The linkage beams push and pull the tracker torque arms, rocking the at least two rows of solar trackers to rotate about their axes and to follow the sun's movement.

The invention discloses a real-time telemetry system and a real-time telemetry method of greenhouse gas column concentration. The real-time telemetry system comprises a fixed station building and a sun follower, wherein the station building is provided with an automatic sunroof; the sun follower is installed on a fixed platform in the station building and used for receiving sunlight from the sunroof, thereby automatically following the sun; emergent light of the sun follower passes through a sample tank to enter an infrared spectrometer, and an output end of the infrared spectrometer is connected with a computer; a micro weather station and a wireless data transmission antenna are installed outside the station building and connected to the corresponding input end of the computer; measured spectra and numerical simulation calculated spectra based on an atmospheric radiation transmission model are obtained simultaneously; and the greenhouse gas column concentration of various kinds is obtained in real time by using a nonlinear least-squares iteration method. According to the real-time telemetry system and the real-time telemetry method, the defects of the greenhouse gas three-dimensional high space-time resolution measurement technology are overcome, calibration data can be provided for airborne and satellite telemetry, and local long-term greenhouse gas observation results can be provided.

The invention provides a solar energy sun-following device structure. An east-west driving shaft body of the solar energy sun-following device structure is in a cross connection with a north-south driving shaft body; a first driving piece arranged on an east-west shaft sleeve piece of the east-west driving shaft body is actuated to enable the north-south driving shaft body to generate east-west pivotal rotation, while a second driving piece arranged on the north-south driving shaft body is actuated to drive an east-west driving shaft piece of the east-west driving shaft body to generate south-north pivotal rotation relative to the east-west shaft sleeve piece and is linked with a cable-stayed combined annular frame body which is connected with the end of the east-west driving shaft piece, and simultaneously drives a carrier frame set connected with the cable-stayed combined annular frame to generate east-west and north-south actuation, so that a solar energy receiving module of the carrier frame set can receive solar energy by following the sun. As the volume of a base body occupies a large area, the periphery of the base body can be used for realizing subsidiary functions of parking, charging of electric vehicles and the like so that the functions of gross generation improvement and excellent use function are realized.

A solar energy system for collecting and converting solar energy to electricity using photovoltaic devices. The system further includes reflective panels to concentrate incident solar energy onto an array of solar panels, as well as an automated sun tracking system to rotate the solar and reflective panels to follow the sun.

The invention discloses a tower type photovoltaic tracking power generation system which comprises a vertical guide rail, a latitude tracking guide rail, a driving device, a cell panel rotating shaft and a solar cell panel fixedly installed on the cell panel rotating shaft, wherein the upper end of the cell panel rotating shaft is installed on the vertical guide rail in a sliding way, and the lower end of the cell panel rotating shaft is installed on the latitude tracking guide rail in a sliding way; the driving device drives the lower end of the cell panel rotating shaft to move on the latitude tracking guide rail to adjust the tracking of the solar cell panel in the latitudinal direction; and simultaneously, the driving device drives the cell panel rotating shaft to rotate around the shaft line of the cell panel rotating shaft to adjust the tracking of the solar cell panel in the longitudinal direction to keep the solar cell panel and sunrays vertical. The invention can used for realizing adjustment in the longitudinal direction and the latitudinal direction simultaneously, so that the solar cell panel can automatically rotate following the sun to be always vertical to sunrays, thereby improving the power generation capacity of the photovoltaic power generation device; and the overall structural strength of the system is improved by arranging the main structure of a tower frame.

In the invention, employing a sun tracker follows the sun. The drive motor of the sun tracker and a heliostat uses the same synchronous micromotor driven by a common-frequency power supply and the synchronous micromotor can run and stop at the same time. The reduction rate of the speed reducer of the sun tracker is 1:N and the reduction rate of the speed reducer of the heliostat is 1:2N. Provided that the sun tracker follows the sun, the whole heliostat in the array offset following the tracked sun to make the reflected light point to the fixed target.

The invention relates to the technical field of photoelectricity. The invention further discloses a solar cell panel capable of automatically adjusting the angle along with the sun. The solar cell panel comprises a mounting box, a sliding rail is fixedly connected to the interior of the mounting box, a first electromagnet and a second electromagnet are arranged on the left side and the right sideof the sliding rail correspondingly, a first metal sliding block and a second metal sliding block are slidably connected to a rail body of the sliding rail correspondingly, and a motor is fixedly connected to the upper portion of the first metal sliding block. According to the solar cell panel capable of automatically adjusting an angle along with the sun, when sunlight irradiates on different photoresistors, the two electromagnet magnetic reinforcements respectively drive the first gear or the second gear to be engaged with the fluted disc, the rotating direction of the fluted disc is automatically changed, the fluted disc is matched to drive the bevel gear to rotate so as to drive the screws on the two sides to rotate in opposite directions, the lifting rods on the two sides ascend and descend, the solar cell panel deflects, and therefore the effects of automatically adjusting the angle of the cell panel and improving the light energy conversion and electricity storage efficiency areachieved.

In an electric booster according to one embodiment of the present invention, a brake pedal is connected to a sun gear of a differential transmission mechanism corresponding to a planetary gear mechanism. An electric motor is connected to a ring gear, and an output rod is connected to a planetary carrier, and the output rod is connected to a piston of a master cylinder. When the brake pedal is operated to rotate the sun gear, planetary pinions rotate and revolve around the sun gear. As a result, the planetary carrier rotates to move the output rod forward to push the piston. As a result, a hydraulic pressure is generated in the master cylinder. At this time, the electric motor is controlled according to the rotation of the sun gear to rotate the ring gear so that the ring gear follows the sun gear. In this manner, a servo force of the electric motor is applied to the rotation of the planetary carrier.

The most urgent need in the field of solar energy is to lower the final cost per watt of all involved components. Some of the most expensive components within a solar tracker go into the precision drive system which accurately follows the motion of the sun. This invention reduces the complexity and the required number of drive components in a tracker optimized for reflective dishes. With this invention a single drive motor can keep 20 or more large reflective dishes accurately tracking the sun, whereas 40 drive motors with more complex control systems would typically be required for the same number of dishes. In addition this invention allows for complete inversion of the dishes, which helps reduce dust accumulation on the optical surfaces and lowers wind resistance during storms.

The invention provides a solar energy light converging cell, including an optical collector, a small silicon photocell and an automatic sunlight tracker. The optical collector converge the sunlight on the small silicon photocell. The automatic sunlight tracker can follow the sun automatically to ensure the permanent vertical incidence of the sunlight into the Fresnel lens array, the optical collector and the small silicon photocell panel rotate with the rotating of the automatic tracker. Through an optical collector, the invention converge the sunlight on the small silicon photocell panel, thereby greatly reducing the area of the light-electricity converting element and using the electricity generating capacity of the photocell panel sufficiently, so as to deduce the system cost.

The elevation of a solar panel to follow the course of the sun is achieved in a manner to require relatively little power. The elevation mechanism utilizes a system of wires and pulleys which cooperate with springs which are compressed when the panel is in the collapsed position. The springs operate to overcome inertia when panel elevation first commences. The wire and pulley system operates to extend in opposite directions a pair of arms, one connected to the panel base member, the other connected to the top of the panel pivoting member.

A solar collector includes a plurality of elongated parabolic reflectors mounted within a glass-topped enclosure for pivotal movement such that each reflector is incrementally pivoted throughout the course of a day to remain substantially perpendicular to the sun. The incremental pivotal movement is caused by a motor energized from a solar switch having solar cells that also pivot throughout the day so that in one position of the switch, no electricity is being generated and transferred to the motor, but in a second position, the switch receives solar radiation and energizes the motor to again incrementally pivot each reflector along with the solar switch. The reflectors are therefore incrementally pivoted throughout the course of a day to follow the sun for optimal collection of solar radiation which is used to heat liquid carried by tubes positioned at the axis of generation of the parabolic reflectors and / or strips of solar cell material so that electricity can be generated alone, liquid heated alone, or liquid heated and electricity generated simultaneously.

A compact low concentration photovoltaic (LCPV) apparatus totally enclosed in a protective clear dome against harsh environment without active cooling. A conical mirror reflector, a circular lens refractor and a planar circular crystalline silicon photovoltaic solar panel rotate simultaneously inside the dome to concentrate sun rays and instantly produce electricity. The mirror increases electrical current three times and the lens increases one time for total four times using low overall concentration of five to twenty times sun. The lens is offset from the plane parallel to the photovoltaic solar panel, while the panels forming the mirror are angled offset to a center axis perpendicular to the solar panel. The optical assembly and solar panel are mounted in a conical aluminum cage which is pivoted from a rotary turntable for the daily azimuth and altitude rotations. The dual axis movements consist of irregular intermittent increments of less than one second “on time” and less than two minutes “off time” while following the sun path. The electrical power produced is at least two times more than from fixed conventional crystalline silicon solar panel occupying the same planar surface area. LCPV dual tracking systems offer reduced electricity generation costs, reduced installation costs and increased flexibility in deployment.

An integrated drive leg and mount suitable for solar power devices, such as trough solar concentrators or PV panels. A drive system including a linear actuator is integrated into the support structure. A pulley assembly converts the linear force into rotational motion, thereby providing tracking adjustments for a solar power device following the sun avoiding larger external electric drive motor which are situated between successive solar power devices. The integrated nature enables a smaller gap between solar power devices in solar installations, reduces the effect of induced shadowing, and enables greater collection of solar energy.

The invention discloses a large-caliber reflection-type light guide machine and a working method thereof, belonging to the technical field of solar energy application. The large-caliber reflection-type light guide machine consists of an azimuth angle drive device, a height angle drive device, a focus lens group, a sun location system, a focusing device and an optical fiber beam. The focusing device is used for adjusting a receiving end surface of the optical fiber beam to a focal point of the focus lens group, and the focus lens group is driven by the azimuth angle drive device and the height angle drive device, so that the focus lens group can follow the sun, the infrared ray in the incidence light is eliminated by utilizing a filter lens of the focus lens group, and the uniformity of the intensity of the focus spot can be realized by virtue of a light homogenizing cavity of the focus lens group; the sun location system adopts a photosensitive element to provide a sun roughly location signal and utilizes a high temperature sensor to provide a precise position signal of the focus spot. By adopting the large-caliber reflection-type light guide machine, the infrared ray in the sun focus light is eliminated, the uniformity of the intensity of the focal spot can be realized, the service life of the optical fiber beam can be greatly prolonged, and the position detection reliability of the focus spot can be improved by utilizing the high temperature sensor.

In a multi-lens hydrogen and / or electric / steam power plant there are mirrors 2, or equivalent, such as prisms, placed underneath lenses 1 directing ray bundles from several lenses 1 onto one focal point. There are for instance nine lenses 1 in a frame 4, and underneath the outermost lenses 1 there are diagonally placed flat mirrors 2 directing ray bundles to a water splitter or a vaporizer placed in an apparatus 3 in the focal point. There may be for instance ten frames 4 side by side, and in the middle there may be a supporting column 8 provided with bearings 7; and between the frames 4 there may be bases 6 with wheels 10 underneath. Directing the frame in vertical direction and so as to follow the Sun's rotation there may be motors 11 and 12 controlled by a sensor.

The invention discloses a photovoltaic power generation device and a power generation method thereof, and belongs to the technical field of photovoltaic panels. The photovoltaic power generation device comprises a supporting base, an equipment box, a fixing frame and a photovoltaic panel body, the equipment box is fixedly connected to the upper end of the supporting base, the photovoltaic panel body is fixedly connected into the fixing frame, a driving speed reduction mechanism is connected into the equipment box, and the output end of the driving speed reduction mechanism is fixedly connectedwith a single-tooth gear. According to the invention, through arrangement of the driving speed reducing mechanism, the single-tooth gear, a first gear and a supporting plate, the photovoltaic panel body rotates along with the sun, so that the light receiving efficiency of the photovoltaic panel body is effectively improved; and through arrangement of a driving mechanism, a first bevel gear, a cylinder and a first reciprocating screw rod, the inclination angle of the photovoltaic panel body can be adjusted in real time according to the rising angle of the sun, so that the practicability of thedevice is effectively improved.

The invention discloses a solar energy generating device comprising a solar energy plate unit, a locating device and a clockwork. The solar energy plate unit is provided with a light-gathering component and a solar energy battery, the light-gathering component enables the sunlight to focus on the solar energy battery; the angle of the solar energy plate unit is adjusted by the locating device according to the latitude of the solar energy generating device and the date; the clockwork drives the solar energy plate unit to rotate following the sun, and the rotation speed is consistent with the travel rate of the sun so that the light-gathering component aims at the sun persistently. The invention also provides a portable solar energy generating device consisting of a global positioning system which can sense the latitude of the solar energy battery so as to adjust the angle of the solar energy plate unit.

The invention provides a high-efficiency residential solar thermal power plant for economically generating power from solar-thermal energy, using a parabolic trough mirror (210) having a longitudinal focal axis, for concentrating sunlight, a timer rotator for rotating the mirror (210) about the focal and longitudinal rotation axis to follow the sun, and a heat collector (220) surrounding a flow channel (288) that preferably has an oblong cross-sectional shape with a major axis aligned with a longitudinal plane of symmetry (213) of the parabolic trough mirror (210). The heat collector is coaxially positioned along the focal axis of said mirror (210) to receive concentrated sunlight so that a working fluid is heated and provided for use through an outlet end of the heat collector.

The invention provides a solar energy light converging electricity generating module, including a Fresnel lens array comprising at least two Fresnel lens and a small silicon photocell panel array comprising at least two small silicon photocell panel. The Fresnel lens array, the photocell panel array and an automatic sunlight tracker are arranged from top to bottom and fixedly connected in turn. The automatic sunlight tracker can follow the sun automatically to ensure the permanent vertical incidence of the sunlight into the Fresnel lens array. The Fresnel lens array and the small silicon photocell panel array rotate with the rotating of the automatic tracker. Through a Fresnel lens array, the invention converge the sunlight on the small silicon photocell panel array, thereby greatly reducing the area of the light-electricity converting element and using the electricity generating capacity of the photocell panel sufficiently, so as to deduce the system cost.

The invention provides a remote control electric clothes hanging machine which comprises an electric clothes hanging machine body and a remote user terminal. The remote user terminal is connected with the electric clothes hanging machine body through a wireless signal link and used for remotely controlling the electric clothes hanging machine body. Preferentially, the electric clothes hanging machine body comprises a signal receiving module, the remote user terminal comprises a control instruction input module and a terminal signal sending module which are connected with each other, and the terminal signal sending module is connected with a signal receiving module through a wireless signal link. The remote control electric clothes hanging machine further comprises a solar automatic tracing device. The electric clothes hanging machine body can horizontally rotate, and the solar automatic tracing device is connected with the electric clothes hanging machine body and used for driving the electric clothes hanging machine body to horizontally rotate so as to rotate following the sun. The remote control electric clothes hanging machine is ingenious in design and can be remotely controlled, and therefore users can remotely control the remote control electric clothes hanging machine according to weather changes or demands of themselves, and the remote control electric clothes hanging machine is convenient to use, ingenious in design, simple in structure, low in cost and suitable for large-scale application and popularization.