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226
resultados
Última actualización
01/09/2024 [07:09:00]
Resultados 125 a 150 de 226
Resumen de: US2024283393A1
A solar tracker bearing and a solar tracker incorporating the bearing, the bearing including at least one rotatable part, the rotatable part including a notch for receiving a torque tube, a slot, formed in the rotatable part and extending below the notch, the slot defining an arc having multiple radii, at least one engagement member configured to be received in the slot, and at least one base configured to secure the engagement member in the slot and to secure the bearing to a pier.
Resumen de: US2024283387A1
A system, including: a roof deck; a first photovoltaic module above the roof deck, where the first photovoltaic module includes: a first solar cell, where the first photovoltaic module includes a first end, a second end opposite the first end; a first wireway portion above the roof deck, where the first wireway portion is proximate the first end of the first photovoltaic module; and a first cover, where the first cover is removably attached to the first wireway portion, where the first cover comprises: a second solar cell.
Resumen de: US2024283392A1
Rail assemblies for connecting a photovoltaic panel to a tube include a rail shaped to be mounted on the tube such that, when mounted, the rail extends transversely outward of the tube between first and second ends. The rail assemblies further include a rail connector for securing the rail to the tube. The rail connector includes a first clip attached to the rail, a second clip attached to the rail, and a lock bracket defining a notch shaped to releasably receive the second clip. The first clip is attached to the lock bracket. When the rail is secured to the tube, the first clip and the second clip collectively apply tension on the lock bracket to clamp the rail to the tube.
Resumen de: US2024283389A1
A renewable power supply arrangement for use on board a sea-going vessel. The arrangement comprises at least one flexible solar panel (50) capable of being folded or rolled-up when not in use. The solar panel (50) is primarily intended for placement on the outside of a stack of containers (30) on the deck of the vessel.
Resumen de: US2024283391A1
In an example, a clamp assembly for a glass on glass solar module for a tracker is included. The assembly has a lower clamp structure characterized by a top-hat shaped rail structure having a length extending from a first end to a second end. In an example, the assembly has an upper clamp structure configured to sandwich a pair of edges of a pair of solar modules with a portion of the lower clamp structure. In an example, the assembly has a locking spacer configured to the pair of edges of the pair of solar modules. In an example, the pair of edges comprises substantially glass material. In an example, the assembly has a pair of key structures configured with the locking spacer. Each of the key structures is affixed to each of the solar modules to physically lock each of the solar modules to the upper clamp structure.
Resumen de: US2024283388A1
A module mounting assembly that couples a PV module to a support structure is provided. The module mounting assembly may include a mounting bracket, a mounting pin, and a clamp. The clamp may be configured to couple the mounting bracket to the support structure and the mounting pin may be configured to couple the mounting bracket to the PV module. The mounting pin may have a number of features and designs that facilitate positioning the mounting pin within the openings and retaining the mounting pin in an installed state.
Resumen de: US2024283390A1
Solar trackers that may be advantageously employed on sloped and/or variable terrain to rotate solar panels to track motion of the sun across the sky include bearing assemblies and other mechanical features configured to address mechanical challenges posed by the sloped and/or variable terrain that might otherwise prevent or complicate use of solar trackers on such terrain.
Resumen de: US2024283396A1
A photovoltaic (PV) module clamp may be configured to interface with a torque tube and a PV module rail fixedly coupled to a PV module. The PV module clamp may include a seating portion made of two or more lateral walls and a base surface. A clamp body of the PV module clamp may be coupled to the seating portion. The clamp body may include a shape corresponding to a cross-sectional shape of the torque tube. The PV module clamp may include a fastening feature for interlocking the PV module clamp with the PV module rail responsive to the PV module rail being seated in the seating portion of the PV module clamp.
Resumen de: US2024283398A1
Photovoltaic (PV) modules include a plurality of rigid panels and a plurality of solar cells that are secured to the plurality of rigid panels. The plurality of rigid panels are kinematically arranged and connected through foldable joints that have a single degree of freedom such that each of the joints in the plurality of foldable joints fold synchronously to transform the PV module between a collapsed configuration and an expanded configuration.
Resumen de: US2024283397A1
An apparatus includes a plurality of solar panels, a horizontal scissor configured to support the plurality of solar panels, and an electronic drive motor that is configured to cause the horizontal scissor to extend or retract. The horizontal scissor includes a plurality of beams. The apparatus also includes a drive shaft and drive screw which are configured to extend or retract the horizontal scissor in response to movement of the electronic drive motor. The horizontal scissor and the electronic drive motor are coupled to a standard size unit shipping container. A first beam of the plurality of beams is made of a first material, and a second beam of the plurality of beams is made of a second material. The horizontal scissor is configured so that when fully retracted it fits into one half of the volume available inside the standard size shipping container.
Resumen de: US2024283395A1
A solar panel racking system that can include end clamps, mid clamps, bottom clamps, L-foot adapter assemblies, rails, and L-foot assemblies. The solar panel racking system minimizes the use of tools by snapping many of the mounting components in place. The end clamps, mid clamps, and bottom clamps can snap over the rail sides and lock into upper detented portions of the rail sides. The upper detented portions are structured to prevent upward movement of the end clamps, mid clamps, and bottom clamps. The L-foot adapter body of the L-foot adapter assembly snaps over lower detented portions of rail sides and secures the rail to an L-foot assembly. The end clamps, mid clamps, bottom clamps, rails, and L-foot adapter assemblies are independent of the L-foot assembly, allowing a selection of L-foot assemblies to be used as appropriate with the solar panel racking system.
Resumen de: US2024283348A1
A method and device is provided for calibrating a time base signal in a photovoltaic inverter, which has a conversion circuit configured to convert a DC current into an AC current. The method comprises the steps of: receiving a reference signal by a receiving unit from an external reference signal source; determining a deviation between the received reference signal and a time base signal which is generated by a local time signal generator; correcting the generated time base signal to minimize the determined deviation or calculating a correction factor, wherein the calibration unit automatically corrects the time base signal obtained from the time signal generator, even when a reference signal is temporarily unavailable, depending on at least one operating parameter which is stored in a data memory and which is formed by an internal temperature inside the housing of the photovoltaic inverter and/or by a measured supply voltage; and adapting predetermined values for components of the conversion circuit depending on the corrected time base signal or depending on the calculated correction factor.
Resumen de: US2024283241A1
A photovoltaic power generation system includes a protection switch and a plurality of DC-DC converters. Each DC-DC converter includes a direct current bus, a DC-DC circuit, and at least one input interface. The input interface is configured to connect to a photovoltaic unit. The photovoltaic unit includes at least one photovoltaic module. The input interface is connected to the direct current bus by using the protection switch, the direct current bus is connected to an input end of the DC-DC circuit, and an output end of the DC-DC circuit is an output end of the DC-DC converter. The protection switch includes a release device and a switching device that are connected in series. The release device is configured to: when a short-circuit fault occurs on a line in which the release device is located, control the switching device to be disconnected.
Resumen de: WO2024168944A1
An automatic car washing apparatus, comprising a guide rail apparatus and a washing frame (5) arranged on the guide rail apparatus. The washing frame (5) is provided with a plurality of independently controlled water spraying apparatuses that are disposed at different positions and a plurality of independently controlled car washing shampoo spraying apparatuses (11); the water spraying apparatuses (11) are all connected to a single water pipe by means of corresponding switch assemblies; and one end of the single water pipe is connected to a water pump. A car washing instruction is obtained; and the washing frame is moved to corresponding washing positions on the basis of the car washing instruction, and, on the basis of the car washing instruction, corresponding water spraying apparatuses and/or car washing shampoo spraying apparatuses are sequentially started to operate for set washing durations, water spraying apparatuses and/or car washing shampoo spraying apparatuses that are not started being in an off state. The automatic car washing apparatus solves the problem of nonideal washing effect due to water spraying nozzles on existing automatic car washing apparatuses being unable to generate enough spraying pressure, improves the diversity of car washing modes, and greatly reduces the car washing cost. Also provided is an automatic car washing method.
Resumen de: WO2024172805A2
An exemplary' embodiment of the present disclosure provides a device for concentrating light and methods of making and using such device. The device comprising a substantially cone-shaped optical body comprising a first side and an opposing second side extending along a central axis, the second side larger than the first side, a receiver positioned near the first side of the optical body and oriented towards the second side, and a reflector proximate the second side of the optical body, wherein a cross section of the reflector about the central axis comprises at least two substantially parabolic curves extending along a length of the second side of the optical body and converging at the central axis.
Resumen de: US2024283246A1
A rapid shutdown device (RSD) includes: a logic-and-analog circuit; an RSD ID storage for storing an unique RSD ID; a control command receiving circuit for receiving and decode a control command including a combination of an all-RSD turn-on command, a single-RSD turn-on command and a to-be-tested RSD ID; a switch circuit connected to the logic-and-analog circuit; and a bypass circuit connected between two output terminals of the RSD. When the switch circuit is turned off, the bypass circuit is turned on. The logic-and-analog circuit controls the on/off state of the switch circuit according to a decoding result of the control command receiving circuit and the unique RSD ID stored in the RSD ID storage. When the switch circuit is turned on, an output voltage received from a photovoltaic module coupled to the RSD is outputted via the RSD.
Resumen de: US2024282874A1
A flexible photovoltaic (PV) cell having enhanced properties of mechanical impact absorption, includes: a semiconductor wafer that is freestanding and carrier-less; having a thickness, and having a first surface, and a having second surface that is opposite to that first surface; and non-transcending gaps within the semiconductor wafer. Each non-transcending gap penetrates from the first surface towards the second surface, but reaches to a depth of between 50 to 99 percent of the thickness of the semiconductor wafer, and does not reach said second surface. Each non-transcending gap does not entirely penetrate through an entirety of the thickness of the semiconductor wafer. The semiconductor wafer maintains between 1 to 50 percent of the thickness of the semiconductor wafer as an intact and non-penetrated thin layer of semiconductor wafer that remains intact and non-penetrated by the non-transcending gaps. The non-transcending gaps in the semiconductor wafer are filled with an elastomer, and they absorb and dissipate mechanical forces.
Resumen de: US2024282877A1
A solar cell, a manufacturing method thereof, and a photovoltaic module. The solar cell includes: a semiconductor substrate including first and second surfaces opposite to each other; emitter and first passivation layer formed over the first surface; tunneling layer formed over the second surface; first doped conductive layer and retardation layer formed on the tunneling layer and corresponding to metallization region, the first doped conductive layer is located between the tunneling layer and the retardation layer; second doped conductive layer formed over the tunneling layer and covering the tunneling layer in non-metallization region and the retardation layer, the retardation layer is configured to retard migration of doped element in the second doped conductive layer to the first doped conductive layer; second passivation layer formed over the second doped conductive layer; and second electrode forming contact with the second doped conductive layer and first electrode forming contact with the emitter.
Resumen de: US2024282879A1
A bipolar solar cell includes a backside junction formed by a silicon substrate and a first doped layer of a first dopant type on the backside of the solar cell. A second doped layer of a second dopant type makes an electrical connection to the substrate from the front side of the solar cell. A first metal contact of a first electrical polarity electrically connects to the first doped layer on the backside of the solar cell, and a second metal contact of a second electrical polarity electrically connects to the second doped layer on the front side of the solar cell. An external electrical circuit may be electrically connected to the first and second metal contacts to be powered by the solar cell.
Resumen de: WO2024169371A1
A perpendicularity measurement apparatus and measurement method. The perpendicularity measurement apparatus comprises a rack (1), a laser range finder (2) and a horizontal reference member (3), wherein the horizontal reference member (3) is arranged between the laser range finder (2) and the ground, and can be used for a measurer to monitor in real time whether the measurement apparatus is horizontal, and the laser range finder (2) is movably mounted at the end of the rack (1) that is away from the ground, and can be conveniently and flexibly moved during perpendicularity measurement. After a measurer performs a plurality of instances of ranging, a perpendicularity error is directly calculated by using a trigonometric function.
Resumen de: WO2024169599A1
A cleaning assembly, comprising a support and a spray rod portion which can extend and retract on the support. A self-cleaning assembly is mounted at the front end of the spray rod portion, and the self-cleaning assembly comprises an upper cover and a pressing plate; a cleaning hole is formed on the upper cover, one end of the pressing plate is hingedly connected to the lower end of the upper cover, a reset device is provided between the pressing plate and the upper cover, a descaling member is further mounted on the pressing plate, and a limiting portion is provided on the support; during the extension and retraction of the spray rod portion, the pressing plate abuts against the limiting portion, so that the pressing plate swings upwards around the position where the pressing plate is hingedly connected to the upper cover, and thus the descaling member is inserted into the cleaning hole, and after the pressing plate is separated from the limiting portion, the descaling member is pulled away from the cleaning hole by the reset device.
Resumen de: WO2024169850A1
The present invention relates to a passivated contact structure, a solar cell and a preparation method therefor, and a photovoltaic module. The passivated contact structure comprises a passivated oxide layer arranged close to a silicon wafer of a solar cell, and a doped crystalline silicon layer away from the silicon wafer, wherein the thickness of the passivated oxide layer is 1.5 nm to 3.5 nm, and several nanoscale micropores are distributed in the passivated oxide layer.
Resumen de: WO2024169419A1
The present application relates to the technical field of photovoltaics. Specifically provided are a solder ribbon and a solar module, the solder ribbon being suitable for connecting several solar cells in series. The solder ribbon comprises: a first solder ribbon region and a second solder ribbon region, which are spaced apart from each other in a direction in which the solder ribbon extends; and a connecting portion connected to the first solder ribbon region and the second solder ribbon region. The connecting portion comprises a bending portion, a first sub-connecting portion connected to the first solder ribbon region, and a second sub-connecting portion connected to the second solder ribbon region, wherein one end of the bending portion is connected to the first sub-connecting portion, and the other end thereof is connected to the second sub-connecting portion; the bending portion is of a flat structure, and has a first surface and a second surface, which are opposite each other, in a thickness direction; and the first surface and the second surface are both planes. The structure of the solder ribbon is stable, so that the circumstances of splitting and breaking of the solar cells can be reduced.
Resumen de: US2024282870A1
A method for improving the ohmic contact between a front contact grid and a doped layer of a wafer solar cell, including: providing the wafer solar cell; electrically contacting the front contact grid with a contacting device electrically connected to a pole of a voltage source; electrically contacting another contacting device electrically connected to the other pole of the voltage source with a back contact grid of the cell; applying a voltage directed against the forward direction of the cell to the front contact grid and the back contact grid with the voltage source, wherein the voltage is smaller than a breakdown voltage of cell; guiding a point light source over the sun-averted back side of the cell while the voltage is applied, wherein a partial region of the sun-averted back side is illuminated such that a current flow is induced in, and acts on, the partial region.
Nº publicación: US2024282882A1 22/08/2024
Solicitante:
ZHEJIANG JINKO SOLAR CO LTD [CN]
JINKO SOLAR CO LTD [CN]
ZHEJIANG JINKO SOLAR CO., LTD,
JINKO SOLAR CO., LTD
Resumen de: US2024282882A1
Disclosed are a photovoltaic cell, a method for producing the same and a photovoltaic module. The method includes providing a silicon wafer; forming a tunneling oxide layer on the silicon wafer and a P-type amorphous silicon layer over the tunneling oxide layer; forming N-type dopants on the P-type amorphous silicon layer; performing laser processing on the N-type dopants to cause the P-type amorphous silicon layer to be converted into an amorphous silicon layer having alternatingly arranged P-type amorphous silicon and N-type amorphous silicon; removing the N-type dopant on the amorphous silicon layer and forming a protective layer over the amorphous silicon layer; performing processing on the protective layer and the amorphous silicon layer to form a groove and a protrusion; subjecting the silicon wafer to further processing to increase a depth of the groove; removing the protective layer; and subjecting the silicon wafer to high temperature processing.
BOPI
Sede Electrónica
