35results about How to "Avoid affecting power generation efficiency" patented technology

The invention discloses a solar lamp movable dust removing and rainwater preventing device. The solar lamp movable dust removing and rainwater preventing device comprises a streetlamp support, a streetlamp box connected to the upper end of the streetlamp support, and a bulb arranged on the outer side wall of the streetlamp box. The streetlamp box is of a hollow structure, the upper end face of thestreetlamp box is provided a U-shaped groove, and a cover plate is movably inserted and connected in one side wall of the streetlamp box. The solar lamp movable dust removing and rainwater preventingdevice is simple in structure, stability is achieved at daytime, the daytime temperature can be higher than the night temperature, the heat expansion and cold shrinkage principle is adopted, and whenthe night falls, the temperature at the time is reduced, an air bag can be shrunk, accordingly, a first metal copper contact block and a second metal copper contact block can be separated from each other, the above structure is driven to move, and a solar cell panel is recycled. Meanwhile, the cover plate is combined, automatic locking is achieved, an inner device is protected, meanwhile, a brushcan conduct movable dirt removing on the solar cell panel through the action of every time, and accordingly the situation that the dust shields the solar cell panel, and the power generating efficiency is influenced is avoided.

The invention discloses a photovoltaic power generation system online IV curve test device and a test method. The online IV curve test device comprises a temperature acquisition system, a solar irradiance gauge, a multi-channel photovoltaic assembly IV tester, an industrial control computer, a switch, a host computer and a switching case. According to the online IV curve test device, a relay with relatively low cost and having no arc discharge is employed to switch photovoltaic assemblies, IV curves of the assemblies are respectively tested through rapid scanning, accurate volt-ampere characteristics of the photovoltaic assemblies are acquired, and the online IV curve test device satisfies online IV curve tests on all channel assembly strings through cascade networking at present. Through the method, after switching one assembly at each time, an output voltage of the residual assembly string is guaranteed to be greater than the lowest input work voltage of an inverter, and a cell input power is further guaranteed to be greater than a normal start power of the inverter. The whole test period of rapid assembly switching, rapid IV curve scanning test and rapid switching recovery is controlled to be quite short, the online IV curve test function is realized.

The invention belongs to the technical field of new energy street lamps, and particularly relates to a vibration type safe snow removal solar street lamp which comprises a lamp pole and a lighting lamp, the top end of the lamp pole is rotationally connected with a mounting groove, a photovoltaic panel is mounted in the mounting groove, and the two ends of the photovoltaic panel are fixedly connected with the inner wall of the mounting groove through springs correspondingly, a control box is fixedly connected to the lamp pole, the illuminating lamp is fixedly installed at the bottom of the control box, a sliding frame is slidably connected to the interior of the control box, a transmission rod is rotatably connected to the sliding frame, and the upper end of the transmission rod extends out of the control box and is rotatably connected with the bottom face of the installation groove, and a driving mechanism for driving the sliding frame to move is arranged in the control box. Snow on the surface of the photovoltaic panel can be shaken off through reciprocating deflection and vibration of the photovoltaic panel, the situation that the power generation efficiency is affected due to the fact that light is shielded by the snow is prevented, the shaken-off snow is beaten and broken through the breaking mechanism, pedestrians are prevented from being injured when the snow falls off, and the safety performance of the device is improved.

The invention discloses a solar photovoltaic support with a cleaning device for a building roof. The solar photovoltaic support comprises a photovoltaic support body, the front sidewall of the photovoltaic support body is connected with a solar panel, two ends of the photovoltaic support body are connected with connection boards, the connection boards are provided with U-shaped slide rails, the same long rod is connected in the two U-shaped slide rails in a sliding manner, and two ends of the long rod are connected with limiting blocks. According to the solar photovoltaic support, the structure is simple, through structures including second springs and gears, the combined structure realizes reciprocating movement of the long rod by employing forward and reverse rotation of a motor, circular cleaning of the solar panel through a soft hair brush is realized, the effect of simultaneous brushing and spraying is realized by employing extrusion of the soft hair brush, the solar panel is wiped dry by employing connection of hook-and-loop fasteners and cleaning cloth so that the influence on the generating efficiency due to water stains is avoided, the cleaning cloth can be dismounted andcleaned at any time, the cleanness can be maintained, the operation is simple, the usage is convenient, and the cleaning effect is good.

The invention discloses a wall-mounted photovoltaic support which comprises a bottom plate, wherein a wall-mounting plate is fixedly connected to the left side of the top of the bottom plate; a rain gutter is fixedly connected to the top of the wall-mounting plate; a screen is fixedly connected to the top of the rain gutter; a water pipe is fixedly communicated with the right side on the lower part of the rain gutter; the water pipe is parallel to the bottom plate; a nozzle is arranged on one side, which is close to the bottom plate, of the water pipe; a valve is arranged at a position, close to one end of the rain gutter, of the water pipe; a first connecting plate is fixedly connected to the right side in the middle of the wall-mounting plate; and a first rotating rod is rotationally connected to one end, far away from the wall-mounting plate, of the first connecting plate. The invention relates to the technical field of support equipment. The photovoltaic module can be cleaned by utilizing rainwater collected on a rainy day, the operation is energy-saving and environment-friendly, time and labor can be saved, the angle of the photovoltaic module is conveniently adjusted, the photovoltaic module can be folded during a rainstorm, and the condition that the power generation efficiency is influenced because the photovoltaic module is eroded by rain and snow is avoided.

The invention discloses a port power generation device. The port power generation device comprises two electric power boxes symmetrically mounted on the ground of a port. A connecting rod is mounted on each electric power box, the upper end of each connecting rod is rotationally sleeved with a wind power rod, a rotating groove is formed in the lower end of each wind power rod, an electric inserting column is mounted at the bottom of each rotating groove, an electric inserting groove is formed in the upper end of each connecting rod, the electric inserting columns are rotationally inserted in the electric inserting grooves, and the wind power rods are sleeved with wind wings. Hydraulic power generation is added on the basis of wind power generation, water flow potential energy caused when freighters enter and leave the port is converted into electric energy to be stored and used, the total power generation efficiency of the device is increased, and the port power consumption cost is reduced; by means of the wind wings, the condition that wind power generation is controlled to be automatically matched with wind directions is not needed, and the wind power generation efficiency is increased; and through the electric inserting columns and the electric inserting grooves, power can be stably supplied by wind power generation, and by means of electric conduction liquid, the service life of the device is prolonged, and the power generation efficiency of the device is improved.

The invention discloses a solar photovoltaic board with a snow removing function, which comprises a support leg. A photovoltaic component board is fixedly connected to the top end of the support leg;a magnetic groove is magnetically connected to the center of the top of a magnetic block; a groove is fixedly connected to the outer wall of the magnetic groove; a first connecting block is fixedly connected to the center of each of the left and right ends of the outer wall of the groove; a first support rod is fixedly connected to the center of the end part on the outer side of the first connecting block; a third connecting block is fixedly connected to the center of the bottom end of a side block; a sliding rod is fixedly connected to the center of the bottom end of the third connecting block; a stop block is fixedly connected to the bottom end of the sliding rod; a sliding block is sleeved to the center of the outer wall of the sliding rod; and the rear side of a scraper is attached tothe center of the front side of the photovoltaic component board. According to the solar photovoltaic board with the snow removing function, when the snow needs to be removed, only the scraper is pulled so that the snow removing work can be performed through cooperation of the scraper and the sliding block and through the snow removing function added to the device, thereby avoiding the snow on thephotovoltaic component board from affecting the overall power generation efficiency.

The invention discloses a photovoltaic panel cleaning device for photovoltaic power generation, and relates to the technical field of photovoltaic panel cleaning. The device mainly solves the problems that an existing solar photovoltaic panel is not thoroughly cleaned, and the overall cleaning efficiency of the photovoltaic panel is affected. The device comprises a placing frame, brackets are arranged on the placing frame, a photovoltaic panel is clamped between the brackets, clamping grooves are formed in the two sides of the placing frame, the clamping grooves are connected with a cleaning frame, a clamping device is arranged on the cleaning frame, the clamping device comprises a connecting frame connected with the cleaning frame, a fixing frame is arranged on the connecting frame, the fixing frame and the connecting frame are installed in a sliding mode, a return spring is arranged on the fixing frame, a clamping frame is arranged at the tail end of the fixing frame and matched with the clamping grooves, an electromagnet is arranged on the connecting frame, a cleaning roller is arranged on the cleaning frame, and the cleaning frame is connected with a power mechanism. Through the structure, the cleaning quality of a photovoltaic panel is effectively improved.

The invention discloses a solar street lamp with a self-cooling function, and relates to the technical field of photovoltaic power generation. The street lamp comprises a lamp post, a street lamp bodyand a solar cell panel. A heat dissipation box is fixedly mounted on one side of the lamp post. A street lamp is fixed to the bottom of the heat dissipation box. An inclined solar cell panel is fixedly installed on the other side of the heat dissipation box. A water tank is fixedly mounted at the top of the lamp post; a plurality of spray pipes are arranged around the lamp post. A plurality of water spraying holes are formed below the water spraying pipe. A water pump is fixedly mounted on the peripheral surface of the lamp post. The heat dissipation box is filled with cooling water. The bottom of the heat dissipation box sinks upwards to form a groove. The heat dissipation box is fixedly installed on one side of the lamp post, the street lamp is fixed to the bottom of the heat dissipation box, and the water tank is fixedly installed on the top of the lamp post, so that the problems that an existing solar street lamp is large in heat dissipation mode energy consumption, rainwater forheat dissipation is difficult to supplement and cool in time, and heated hot water is difficult to drain in time are solved.

The invention discloses an electricity-saving self-cleaning solar street lamp which comprises a lamp pole, an illuminating lamp is arranged on the lamp pole, a mounting plate is arranged at the top end of the lamp pole, a mounting groove is rotatably connected to the mounting plate through a support, a photovoltaic panel is slidably connected to the interior of the mounting groove, a fixing plate is fixedly connected to one side of the mounting groove, and the fixing plate is fixedly connected to the other side of the mounting groove. A cleaning mechanism matched with the photovoltaic panel is arranged on the fixing plate, and a vibrating mechanism and a crushing mechanism which are matched with each other are arranged on the mounting plate. According to the photovoltaic panel cleaning device, by arranging the cleaning mechanism, when a sensor detects that a shielding exists on a photovoltaic panel, an electric signal is transmitted to a PLC, the PLC controls a driving motor to start, a first supporting rod is driven to rotate, a first swing rod and a second swing rod are pulled to swing synchronously through transmission of a second supporting rod, a scraper is driven to move, and the surface of the photovoltaic panel is cleaned; snow is prevented from shielding illumination to affect the power generation efficiency.

The invention discloses a solar photovoltaic support with a cleaning device for a building roof. The solar photovoltaic support comprises a photovoltaic support body, the front sidewall of the photovoltaic support body is connected with a solar panel, two ends of the photovoltaic support body are connected with connection boards, the connection boards are provided with U-shaped slide rails, the same long rod is connected in the two U-shaped slide rails in a sliding manner, and two ends of the long rod are connected with limiting blocks. According to the solar photovoltaic support, the structure is simple, through structures including second springs and gears, the combined structure realizes reciprocating movement of the long rod by employing forward and reverse rotation of a motor, circular cleaning of the solar panel through a soft hair brush is realized, the effect of simultaneous brushing and spraying is realized by employing extrusion of the soft hair brush, the solar panel is wiped dry by employing connection of hook-and-loop fasteners and cleaning cloth so that the influence on the generating efficiency due to water stains is avoided, the cleaning cloth can be dismounted andcleaned at any time, the cleanness can be maintained, the operation is simple, the usage is convenient, and the cleaning effect is good.

The invention discloses a stable floating-debris-preventing floating tube type hydraulic electrogenerating device which structurally comprises an anti-blocking cover, a sealing floating tube, a connecting frame, a fixing ring, a support, a barrel body, a horizontal water diversion plate and a bottom water diversion plate. The left side of the anti-blocking cover is nested to the outer surface of the right side of the barrel body, and the sealing floating tube is fixed above the barrel body. Compared with the prior art, the contact area between the device and water is enlarged on the horizontalface and the vertical face through the horizontal water diversion plate and the bottom water diversion plate, impact force of water flow on the front face of the device is reduced, the counter-actingforce of the device on water is improved, device is higher in stability, the problem that the device direction is changed, water flow cannot impact a water wheel, and power generation efficiency is affected is avoided, a rotating body has rotating force by means of accelerated water flow inside the barrel body through a water blocking plate, a water blocking block is impacted by water to enable an impurity grabbing net to be shrunk to grab small impurities and fish which penetrate through the anti-blocking cover in water flow, the small impurities and fish are thrown out through movable exhaust holes, and the rotating water wheel is prevented from being entangled or damaged.

The invention discloses a photovoltaic power generation system online IV curve test device and a test method. The online IV curve test device comprises a temperature acquisition system, a solar irradiance gauge, a multi-channel photovoltaic assembly IV tester, an industrial control computer, a switch, a host computer and a switching case. According to the online IV curve test device, a relay with relatively low cost and having no arc discharge is employed to switch photovoltaic assemblies, IV curves of the assemblies are respectively tested through rapid scanning, accurate volt-ampere characteristics of the photovoltaic assemblies are acquired, and the online IV curve test device satisfies online IV curve tests on all channel assembly strings through cascade networking at present. Through the method, after switching one assembly at each time, an output voltage of the residual assembly string is guaranteed to be greater than the lowest input work voltage of an inverter, and a cell input power is further guaranteed to be greater than a normal start power of the inverter. The whole test period of rapid assembly switching, rapid IV curve scanning test and rapid switching recovery is controlled to be quite short, the online IV curve test function is realized.

The invention discloses a charging device used during driving of an electric trolley. The charging device comprises an electric trolley body, wherein a power-generating cylinder is mounted on the topof the electric trolley body; power generating areas are separately arranged on the left side and the right side of the power-generating cylinder; rollers are mounted between the left-sided power generating area and the right-sided power generating area and are arranged in the power-generating cylinder; a partition plate is arranged between the rollers and the power generating areas; air strip grooves are uniformly mounted on the rollers; a rotating shaft is mounted in each of the rollers; the two ends of each of the rotating shafts are separately fixed to the partition plate through a corresponding bearing; a fixed base is mounted at the bottom of the power-generating cylinder; the fixed base is fixed to the top of the electric trolley body through bolts; and waterproof gaskets are mounted on the bolts. The charging device disclosed by the invention has the advantages of being skillful in structural arrangement and reasonable in layout; the power-generating cylinder is fixed to the top of the electric trolley through the fixed base; the front part of the fixed base is configured to an upward structure with certain radian; and when the electric trolley marches, a collection face ofthe rollers against the wind is enlarged, and meanwhile, the wind is guided to the roller through the radian, so that the rotating speed of the roller is increased, and thus, the power generation capacity of the power-generating cylinder is increased.

The invention relates to an electronic desk calendar with a protection function. The electronic desk calendar comprises a main body and a display screen and further comprises a power generation mechanism and a protection mechanism, the power generation mechanism comprises a supporting plate, a reflecting plate, a dust removal assembly, a connecting assembly, two photovoltaic panels and two supporting rods, and the protection mechanism comprises a protection cover, a first magnet block, a second magnet block and an adsorption assembly. According to the electronic desk calendar with the protection function, the function of solar power generation is realized through the power generation mechanism so that electric energy can be provided for equipment during indoor power failure, the work of the equipment is not influenced by power failure, the normal display work of the equipment is not influenced, the practicability and the reliability of the equipment are improved, through the arrangement of the protection mechanism, the function of shielding the display screen is achieved, the probability that the display screen is scratched is reduced, the display effect is prevented from being affected, and thus the reliability of equipment is improved.