36results about "Photovoltaics" patented technology

The invention discloses cleaning equipment for a solar cell panel. The cleaning equipment comprises a vehicle body capable of moving along the surface of the solar cell panel, the bottom surface of the vehicle body is provided with a groove, an installation space for installing a cleaning assembly is preset in the groove, the upper side and the lower side of the interior of the groove are providedwith an upper pulley and a lower pulley, after the solar cell panel is arranged in the groove, the upper side edge and the lower side edge of the solar cell panel form operation rails of the upper pulley and the lower pulley, a driver in the vehicle body drives the upper pulley and the lower pulley so that the vehicle body can be moved, and the top surface of the vehicle body is spread with a photovoltaic plate to provide power for the driver; and the cleaning assembly comprises a sand suction device, a brushing device and a driving device which are arranged in sequence, and the cleaning assembly right faces towards the solar cell panel. According to the cleaning equipment, aiming at the types of dirt on the solar cell panel, the sand suction device is arranged, sand on the surface of thesolar cell panel is removed at first, bird droppings adhering to the surface of the solar cell panel are brushed through the brushing device, water on the surface of the solar cell panel is dried through the drying device, and residual water is avoided.

A terminal box (10) includes terminal plates (90), a base plate (21) for supporting the terminal plates (90) and an outer plate (22) surrounding the base plate (21). The base plate (21) has higher heat resistance than the outer plate (22) and is mounted and fixed to the outer plate (22). The outer plate (22) is formed integrally with pressing pieces (33) for preventing the lifting of the terminal plates (90) from the base plate 21 by being arranged to be able to come into contact with the outer surfaces of the terminal plates (90) as the base plate (21) is mounted.

To provide a thermal electromagnetic wave detection element, a method for producing a thermal electromagnetic wave detection element, a thermal electromagnetic wave detection device, and an electrical apparatus, which are highly reliable and make it possible to prevent damage or deformation in the vicinity of the corner parts of a void, a thermal electromagnetic wave detection element includes: a semiconductor substrate; a support member provided on the semiconductor substrate; a detection unit that is provided on the support member and is able to extract from a pair of electrodes an electrical signal corresponding to a received amount of electromagnetic waves; and a pair of electrically conductive vias that perforate through the semiconductor substrate and are electrically connected to the pair of electrodes, a void that opens on the support member side being provided between the pair of vias of the semiconductor substrate.

The invention relates to a position adjusting system for heliostat cleaning equipment. The position adjusting system comprises a multi-freedom-degree adjusted hydraulic lazy arm arranged on a cleaningvehicle chassis, an adjusting device arranged on a first framework, a distance detection device arranged on the side, close to the heliostat face, of a cleaning vehicle, and a parallelism degree detecting device arranged on the first framework. The first framework is connected with a framework installing position of the hydraulic lazy arm through a connecting base at the middle portion of the upper side of the first framework. The first framework is provided with an installing plate. The adjusting device is used for adjusting the position of a brush arranged on the installing plate relative to the heliostat face. The hydraulic lazy arm and the adjusting device adjust the positions of the first framework and the brush according to signals fed back by the parallelism degree detecting device, and a driver adjusts the running direction of the cleaning vehicle according to the signals fed back by the distance detection device. The cleaning angle is automatically adjusted, convenience and flexibility are achieved, cleaning is clean, thorough and free of dead angles, the cleaning efficiency is high, and the service life is long.

The invention discloses a heat pipe type concentrator-type photovoltaic/thermal integration-based combined heat and power generation apparatus. A high-power concentrator-type photovoltaic power generation system is realized through a Fresnel collecting lens; a heat pipe technology is introduced to the high-power concentrator-type photovoltaic power generation system; a cell chip is mounted on an evaporation section of a heat pipe, so that the heating problem of the concentrator-type cell chip is solved; a cooling water apparatus of the chip is designed in a series-wound and shunt-wound manner; a temperature sensor is mounted on a cooling water pipeline; the controller controls the rotary speed of a feed pump according to a signal of the temperature sensor and a temperature setting value so as to control the flowing speed of cooling water; and in other words, the temperature of the cooling water can be controlled. The high-power concentrator-type photovoltaic/thermal integration-based combined heat and power generation can be realized; and in addition, the system is extremely high in photoelectric efficiency and photo-thermal efficiency.

The invention relates to a photocatalytic self-cleaning coating as well as a preparation method and application thereof, the photocatalytic self-cleaning coating is prepared from a photocatalytic material, a nano SiO2 film forming material, a coating regulator and a solvent, and is characterized by being prepared from the photocatalytic material, the nano SiO2 film forming material, the coating regulator and the solvent, a film layer formed by coating has photocatalytic self-cleaning, anti-reflection and anti-reflection and surface hardening functions; the coating comprises the following components in percentage by mass: 0.2%-2% of a photocatalytic material, 3%-8% of a nano SiO2 film forming material, 0.01%-0.2% of a coating regulator and 90%-95% of a solvent, the photocatalytic material is a composite material of carbon, nitrogen and phosphorus doped nano TiO2 and phosphorus doped active g-C3N4, and is formed by polymerizing and activating a mixture of carbon, nitrogen and phosphorus doped nano TiO2 gel, urea, melamine and phosphoric acid and performing ultrasonic stripping in an ethanol solvent; the nano SiO2 film forming material is acidic hydrosol of methyl silicone resin and tetraethoxysilane. The photocatalytic self-cleaning coating disclosed by the invention can prevent the surface of solar cell glass from being polluted, and the light transmittance and the surface hardness are improved.

In a power conversion device, a power conversion unit includes a single-phase inverter on a secondary side of a resonant type converter that has an input of a direct current. A power conversion unit group is configured by connecting outputs of the single-phase inverters of a plurality of power conversion units in series. Respective phases of three phase alternate current are formed with the three power conversion unit groups housed in a power conversion device housing. The plurality of power conversion units constituting the power conversion unit group are disposed along a longitudinal direction of the power conversion device housing. The respective three power conversion unit groups are disposed at an upper stage, a middle stage, and a lower stage in a height direction of the power conversion device housing. The power conversion device housing has one end side in the longitudinal direction as output terminals of the three power conversion unit groups. The power conversion device housing has the other end side in the longitudinal direction where terminals of the three power conversion unit groups are connected in common.

The invention discloses an efficient photovoltaic power generation system, comprising a photovoltaic array, an inductor L, a power electronic starting device, a power converter, a power grid or a load. The positive electrode of the photovoltaic array is connected with one end of the inductor L; the other end of the inductor L and the positive terminal of the power electronic starting device are co-connected with the positive terminal of the power converter. The negative terminal of the power electronic starter and the negative terminal of the power converter are connected to the negative electrode of the photovoltaic array. The power converter converts direct current to alternating current and is connected to the power grid or load. As existing photovoltaic power generation systems use diodes to prevent current from flowing backwards from power converters to photovoltaic arrays, and when the diode is turned on, there is a certain voltage drop, which will reduce the efficiency of the photovoltaic power generation system. Therefore, the invention proposes that the diode at the output end of the photovoltaic array is replaced by an inductance and a power electronic starting device, thus overcoming the power loss problem existing in the diode, and improving the efficiency of the whole photovoltaic power generation system.

The invention provides a solar cell module. The solar cell module comprises: an installation frame which is provided with an installation groove for installing a cell panel therein, wherein the bottom wall of the installation groove is provided with a penetrating bar-shaped lead wire lead-out hole; and a junction box arranged at the outer surface of the bottom wall of the installation groove, wherein a lead wire passing through the lead wire lead-out hole electrically conducts the cell panel and the junction box. The solar cell module provided by the invention has the following advantages: on one hand, the junction box is installed on the installation frame rather than the back surface of the cell panel, such that the influence caused by heat dissipation of the junction box to the output power of a cell is avoided, the application of a cell module manufacturer is facilitated, the labor cost is decreased, and the installation efficiency is improved; and on the other hand, compared to a conventional solar cell module whose junction box is installed on a back plate, the photoelectric conversion efficiency of the cell module provided by the invention in actual application is improved. The invention further provides a manufacture method of the solar cell module.

The invention discloses a roof rainproof power station photovoltaic convergence box protection cover, which comprises a base plate and a top plate, and is characterized in that the bottom end of the top plate is provided with an inner corner plate, both the left side and the right side of the bottom end of the base plate are provided with an isolation plate, the bottom end inside the base plate is provided with a sliding rail, the left side inside the base plate is provided with a rotating wheel, the rotating wheel is connected with the sliding rail through a connecting column, the outer side of the rotating wheel is provided with a rotating sleeve, and the right end of the rotating sleeve is provided with a telescopic baffle plate. According to the roof rainproof power station photovoltaic convergence box protection cover, through cooperation of the inner corner plate, the isolation plates and the telescopic baffle plate, the rainproof performance of the top plate is improved by the inner corner plate, the base plate is placed on the isolation plates so as to prevent the base plate from being eroded and damaged by being directly contacted with the ground, the placement height of the isolation plate is adjusted through cooperation between a screw and a rotary table and a rotary groove, the rainproof effect is improved, the telescopic baffle plate is taken out through cooperation of the rotating sleeve and the sliding rail, and the rainproof performance of a convergence box is improved. Meanwhile, overhauling is carried out conveniently, and protection for the convergence box is greatly enhanced.

The invention relates to a method for determining a cabling of a unit of a photovoltaic system, said unit comprising a number of solar components and a transfer point. The method includes the steps of generating a cabling chart with paths between a connection of each solar component and the transfer point according to specified cable routing regulations, determining preferred paths of each solar component to the transfer point on the basis of the cabling charts, and selecting one of the determined paths for each solar component such that the cabling complexity for the unit is minimized as much as possible. In the process, the cabling complexity is determined on the basis of the sum of the lengths of the selected paths and the length of a cable channel in which the cables run individually or in a bundled manner.

A solar photovoltaic light condensing device is disclosed and comprises a resin package, a light reflection layer, a silicon wafer and a lead pin, wherein the silicon wafer is fixed connected above the light reflection layer in a height direction of the same, the lead pin is connected with the silicon wafer after running through the light reflection layer from a position below the light reflection layer, the light reflection layer is connected with the lead pin in a heat conduction manner, the resin package is fixedly connected above the light reflection layer, and the silicon wafer is embedded in the resin package. The resin package having a spherical surface is used as a light condensing surface, and a light condensation rate can be effectively improved while that the light condensing device can work in all kinds of severe environments can be ensured; the light condensing device is small in size and can be arranged closely, and therefore a conversion rate can be substantially raised while illumination conditions and areas remain the same; the solar photovoltaic light condensing device is simple in structure and easy to manufacture, manufacture cost can be lowered, and requirements for expanded industrial production can be met.

The invention relates to the technical field of Internet and discloses an Internet-based camera solar cell mechanism. The mechanism comprises a chassis, wherein a first cell panel is fixedly connectedto the top of the chassis, a photoresistor is movably connected to the front surface of the first cell panel, and a fixed disc is fixedly connected to the interior of the chassis; an electromagneticdevice is fixedly connected to the front surface of the fixed disc. According to the camera solar cell mechanism based on the Internet, when illumination intensity is enhanced, a resistance value of aphotoresistor is reduced, so the attraction force of an electromagnetic device to an electromagnet is increased, and a sliding rod further drives a cell panel II to move towards the outside of a chassis; therefore, the effect of automatically adjusting the area of the cell panel according to the illumination intensity to increase the stored electric energy is achieved; and when the illumination intensity is reduced, the resistance value of the photoresistor is reduced, and the sliding rod further drives the battery panel II to move into the base, so the effect of preventing the battery panelfrom being exposed outside for a long time to be weathered and damaged is achieved.

The invention discloses a heat pipe type photovoltaic generating thermal collection assembly. The heat pipe type photovoltaic generating thermal collection assembly mainly comprises a double-glass vacuum tube, an aluminum plate, photovoltaic plates, a U-shaped copper pipe and a heat pipe. The vertical two ends of the aluminum plate are rolled downwards, and the two rolling ends each wrap one side pipe of the U-shaped copper pipe; an upward concave arc in the middle of the aluminum plate wraps and clamps the heat pipe; the forward external surface of the evaporation end of the heat pipe is coated by a heat absorption coating; the two narrow strip-shaped photovoltaic plates are adhered to the aluminum plate and are respectively disposed at the two sides of the heat pipe; the U-shaped copper pipe and the heat pipe are adhered to the aluminum plate by use of heat-conducting glue; and the structure composed of the aluminum plate, the photovoltaic plates, the U-shaped copper pipe and the heat pipe is arranged in the double-glass vacuum pipe, and the open end of the U-shaped copper pipe and the condensation end of the heat pipe extend out of one end of the double-glass vacuum pipe. The heat pipe type photovoltaic generating thermal collection assembly can improve the water outlet temperature of a system and is applied to bathing, heating of winter water-heating radiator and the like. Air source heat pump circulation is taken as an auxiliary measure, the integral performance, the heat efficiency and the stability of the system are improved, and the power consumption in non-heating seasons is reduced.

The invention discloses a roof solar cell laying and cleaning track, and the track comprises a main track; a main track cavity with an upward opening is formed in the main track, an auxiliary track isfixedly arranged on the right end face of the main track, and an auxiliary track cavity with an upward opening is formed in the auxiliary track; the inner wall of the left side of the auxiliary trackcavity is provided with a first communicating cavity with the opening being connected with the main track cavity. The track is installed on the periphery of a solar cell; in the daily use process, the track is high in automation degree; when the solar cell does not work in the dark, the track is started to clean the solar cell, and the solar cell cleaning track can be used for cleaning the solarcell. Due to the fact that the track can be automatically changed, each solar cell on the roof is comprehensively cleaned, the cleaning efficiency is improved, the labor intensity is reduced, and thecleaning cost is saved.

The invention relates to the technical field of new energy, and discloses a solar photovoltaic panel protection device capable of being automatically started according to temperature. The solar photovoltaic panel protection device comprises a support shaft, wherein a baffle plate is fixedly mounted at the upper end of the support shaft, a bearing is rotatably mounted at the middle upper end of thesupport shaft, a working solar photovoltaic panel is rotatably mounted on the outer side of the bearing, a disc is fixedly installed at the bottom of the bearing, a crown gear is fixedly installed atthe bottom of the disc, and the lower end of the crown gear is in engaged connection with a bevel gear. According to the invention, in rainy days, cloudy days, nights and other weather with sunlightdisappearing and temperature lowering and when the solar photovoltaic panel does not need to work, the solar photovoltaic panel can be automatically started according to the temperature, and the fan-shaped photovoltaic panel working on the solar photovoltaic panel is transferred to the position under the fan-shaped panel of the baffle, so that the solar photovoltaic panel is prevented from being exposed to the outside for a long time and being blown by wind and rain to damage the surface of the solar photovoltaic panel, and the effects of protecting the surface of the solar photovoltaic paneland prolonging the service life of the solar photovoltaic panel are achieved.

The invention discloses an integrated automatic cleaning device for a solar cell panel. The integrated automatic cleaning device comprises a swing arm cleaning mechanism arranged on the first side of the solar cell panel, a driving device driving the swing arm cleaning mechanism, a sensor arranged on the second side of the solar cell panel and a fan device; the sensor is used for sensing whether rainwater accumulates or not and connected with the driving device driving the swing arm cleaning mechanism; the fan device connected with the driving device is turned on when no rainwater accumulates for a long time so as to blow away dust on the solar cell panel. Further, the solar cell panel is cleaned effectively, and power of the solar cell panel is recovered.

The invention relates to the technical field of photovoltaic module cleaning, and provides an adjustable portable photovoltaic module automatic cleaning device which comprises a middle support, an E-shaped left support and an E-shaped right support, a driving motor is arranged above a third horizontal plate in the E-shaped support, a second horizontal plate is connected with a first vertical plate in a sliding mode, and two rolling wheels are arranged above the second horizontal plate. The driving motor is connected with the roller through a gear; a spring is arranged between the first horizontal plate and the second horizontal plate; a water pipe loop is arranged below the middle support, a water outlet hole is formed in the water pipe loop, and one side of the water pipe loop is communicated with a water inlet pipe and a water return pipe. Glass scraping strips are arranged on the front sides of the middle brackets; the server is electrically connected with the driving motor and a motor of the water pump. According to the device, photovoltaic modules of various sizes under various terrains can be subjected to automatic high-pressure water reciprocating flushing and residual water scraping, the cleaning effect and the cleaning efficiency are improved, and the device is simple in structure, easy to operate, adjustable in size, convenient to disassemble and carry, low in manufacturing and cleaning cost and high in stability and safety.

The invention relates to an improved flat-panel type photovoltaic transducer. In the transducer provided by the invention, light reflection grooves are uniformly arranged on a plane to be used as daylight collectors; light absorption grooves are formed at the bottom of the light reflection grooves and used for installing photovoltaic receiving devices; the cross sections of the light reflection grooves are in a horn shape with large mouth and small bottom; the cross sections of reflecting films at the two sides of the light reflection grooves are dual curves; a flat-panel photovoltaic receiver is arranged between the dual curves at the bottom of the grooves; or the cross sections of the reflecting films at the two sides of the light reflection grooves are straight lines; the cross sections of the light reflection grooves form a trapezoid; and correspondingly, light receivers are installed at the bottom of the grooves, and the cross section shape of the light receivers is a circular arc or a straight line. When the light intensity is enhanced for three times, the conversion efficiency of the grooves can be improved for about 5-6%. The final finished product of the improved flat-panel type photovoltaic transducer is in a panel shape, is the same to a flat-panel type photovoltaic transducer and is most suitable for substituting the building material of a roof.

The invention relates to a solar cell panel system convenient for forming a gas film. The solar cell panel system comprises a solar cell panel, a front bracket, a bolt A, a bolt B, an adjusting connecting rod, a screw, a rear bracket, a side plate, a gap, frames, a photovoltaic panel, long nuts, a square tube, a concrete block, a drainage groove, a drainage hole, a through hole, a connecting hole, a mounting hole A and a mounting hole B; the photovoltaic panel is rectangular and is in a transverse long strip shape; a circle of closed frames are arranged on the periphery of the photovoltaic panel; two long nuts are welded to the outer side of each of the left frame and the right frame; and the photovoltaic panel, the frames and the long nuts form the solar cell panel. The solar cell panel system is provided with the gap, the gap is communicated with air flowing space between the light receiving surface and the backlight surface of the solar cell panel in a large range, the capacity of the solar cell panel for resisting gale attack is improved, accelerated melting of accumulated snow on the surface of the solar cell panel is facilitated, so that the influence of the accumulated snow on the power generation efficiency of the solar cell panel is reduced.