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 discloses a cleaning device for power generation and energy storage equipment and a use method thereof, and relates to the technical field of cleaning devices for the power generation and energy storage equipment. The problem that in the working process of existing solar photovoltaic power generation, due to the fact that the external environment is relatively dry, dust is liable toaccumulate on the surface of a photovoltaic panel, so as to affect the absorption efficiency for solar energy is solved. The cleaning device for the power generation and energy storage equipment comprises a movable base, a movable guide rail is arranged under the movable base, a plurality of solar photovoltaic power generation panels are evenly arranged on one side of the movable guide rail, a water storage tank is installed above the movable base, and a water pump protection housing is installed above the water storage tank. According to the cleaning device, through the arrangement of a fixedbase, a distance adjusting mechanism, an angle adjusting mechanism, a cleaning sponge, a laser distance measuring sensor and the water storage tank, the solar photovoltaic power generation panels canbe cleaned, so that affecting of the power generation efficiency caused by dust accumulation is avoided.

The invention discloses a self-cleaning photovoltaic panel, which belongs to the technical field of photovoltaic cells. The problems that the existing device cannot flexibly adjust the tilt angle of aphotovoltaic panel, and the photovoltaic panel has the disadvantages of reduced light absorption efficiency and reduced power generation efficiency are solved. The self-cleaning photovoltaic panel istechnically characterized in that the self-cleaning photovoltaic panel comprises a mounting frame, a photovoltaic panel, a cleaning board and a second working motor; the photovoltaic panel is fixedlyarranged above the mounting frame; the cleaning board is movably arranged on the upper surface of the photovoltaic panel; the cleaning board abuts against the upper surface of the photovoltaic panel;a cleaning brush layer is arranged at a part, which contacts the photovoltaic panel, of the cleaning board; and a second slider is fixedly welded on one end of the cleaning board. According to the invention, flexible movement is realized, and the light absorption angle of the photovoltaic panel can be adjusted in real time to achieve the best light absorption effect.

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 fuel screening device for a power plant. The fuel screening device comprises a box body, wherein a feeding hopper is fixedly arranged at the top end of the box body; a PLC controller is fixedly connected to one side of the outer wall of the box body; a detecting box is fixedly arranged at one end of the outer wall of the box body and is internally and movably provided with an inner cylinder; weighing sensors are fixedly arranged at four corners of the bottom end of the inner cylinder and are fixedly connected with the box body; a contacted microwave moisture instrument is fixedly arranged on one side of the outer wall of the detecting box. The detecting box is arranged for screening according to the moisture content of pulverized coal; compared with a traditionalscreening device, the fuel screening device can further improve the screening effect and avoid the influence of excess moisture content of the pulverized coal on the power generating efficiency; a first screening mechanism and a second screening mechanism are arranged for ensuring the particle uniformity of the pulverized coal and can realize separate screening, so that the blocking condition dueto concentrated screening is avoided, the screening efficiency and the screening effect are improved, and further pulverized coal particles can be screened.

The invention provides a solar photovoltaic generating system, comprising a plurality of direct current photovoltaic assemblies used for generating a direct current by utilizing the solar energy, a plurality of micro inverters which are respectively connected with a corresponding direct current photovoltaic assembly and used for converting the direct current into an alternating current, a bus alternating current cable which comprises a main cable and a plurality of branch cables connected with the main cable in parallel, wherein the plurality of branch cables are respectively connected with a corresponding micro inverter by virtue of each alternating current terminal, and the bus alternating current cable outputs the alternating currents output by all the micro inverters in parallel. In the invention, each micro inverter is independently connected with the main cable by virtue of the branch cables, each branch cable bears the alternating current output by each inverter, and the main cable bears the sum of the alternating currents output by all the micro inverters connected with the main cable. By applying the system provided by the invention, the manufacturing cost, volume and weight are reduced, the system failure, especially alternating current terminal failure, is reduced, and the operational reliability 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 garbage drying device for a garbage incineration power plant. The garbage drying device for the garbage incineration power plant comprises a shell, a horizontally-arranged partition plate is arranged in the shell and fixedly connected to the inner side wall of the shell, a loading barrel is arranged on the upper side of the partition plate and slidably connected with theinner side wall of the shell, a vertically-arranged rotating shaft is rotationally connected on the inner bottom face of the loading barrel, the rotating shaft is coaxially and fixedly sleeved with arotating plate, the rotating plate is in sliding connection with the inner bottom face of the loading cylinder, an arc-shaped fixed cover is arranged on the upper side of the loading cylinder, an arc-shaped movable cover is arranged on the inner side of the fixed cover and is in sliding connection with the fixed cover, a plurality of lamp bodies are fixedly connected on the inner side wall of themovable cover, the upper end of the rotating shaft rotationally penetrates through the movable cover and the fixed cover and is arranged in a manner of extending to the upper side of the fixed cover,and an adjusting mechanism for adjusting the position of the loading cylinder is arranged below the partition plate. According to the garbage drying device for the garbage incineration power plant, aplurality of stirring rods are arranged, turning over garbage in the loading cylinder can be carried out when drying is carried out, so that all the garbage on the bottom layer, the middle layer and the upper layer is well dried.

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 solar power generation equipment which comprises a water storage tank, supporting bases are fixedly connected to the two sides of the bottom of the water storage tank, linkageframes are fixedly connected to the two sides of the top of the water storage tank, cleaning devices are arranged at the tops of the linkage frames, and fixing blocks are fixedly connected to the inner walls of the two sides of each cleaning device. A power generation plate is fixedly connected to the side, away from the cleaning devices, of the fixing block, a pipeline communicates with the middle of the front face of the water storage tank, and the end, away from the water storage tank, of the pipeline is fixedly connected with the cleaning devices. The invention relates to the technical field of solar power generation equipment. According to the solar power generation equipment, a water pump in the water storage tank is started, so that water flow enters the cleaning devices through a pipeline, the power generation efficiency of the equipment can be effectively improved after cleaning, the angle is adjusted through a self-adaptive block, the illumination receiving time of the equipment is prolonged, and the cleaning devices have a certain protection effect; and the situation that the device is damaged in daily life is avoided.

The invention relates to an anti-freezing solar street lamp. The lamp comprises a supporting column, a supporting plate, a protective shell, a solar panel, a lamp tube and a fixing rod, and further includes a heat dissipation mechanism and an anti-freezing mechanism. The heat dissipation mechanism comprises an air exhaust assembly and two filter screens; the air exhaust assembly comprises an air extracting pump, an air inlet pipe and an air outlet pipe; the anti-freezing mechanism comprises a connecting box, a detection assembly, two control assemblies, two supporting rods, two connecting pipes and a plurality of nozzles; the detection assembly comprises a fixed box, two branch pipes and two pistons; and the control assembly comprises a connecting rod, a sealing ring, a moving rod, a fixing ring, a sealing plate, a support and a spring. According to the anti-freezing solar street lamp, the function of cooling and radiating the interior of the protective shell is achieved through the heat dissipation mechanism, the situation that normal work of the lamp tube is affected due to the fact that the temperature in the protective shell is too high is avoided, the function of heating the solar panel is achieved through the anti-freezing mechanism, and the freezing phenomenon caused by the too low temperature of the solar panel 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 solar sunlight room comprises an outer frame, a top frame is fixed to the top of the outer frame, a sealing plate is elastically and slidably installed on the side wall of an opening in the bottom of a water storage frame through a first spring, and a guide plate is installed on the inner wall of the bottom of a movable groove through a second spring in a penetrating mode; a positioning roller is mounted on a bottom bearing of the cleaning seat, a first counterweight strip is connected to the bottom end of a pull rope on the left side of a guide shaft, the placing box is fixed to the inner position of the top of the rear side of the outer frame, a second pull rope is wound around the end of a mounting shaft, and a transfer box is fixed to the inner position of the top of the front side of the outer frame. The limiting seat is fixed into the top of the outer frame, a driving gear ring is connected into the transfer box through an electric push rod bearing, and a water pump is installed at the edge of the bottom in the outer frame. According to the solar sunlight room, the solar glass is automatically cleaned through the gravity of water in rainy days, and meanwhile cleaning and heat insulation can be achieved through water spraying in hot days.

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 relates to the technical field of high-pressure oil jacking, in particular to a high-pressure oil jacking control system of a through-flow type hydroelectric generating set. The system comprises a vertical shaft, one end of the vertical shaft is communicated with a water inlet, the other end of the vertical shaft is communicated with a water outlet, a power generation bin is fixedly connected into the vertical shaft, and a stator is fixedly connected into the power generation bin. The inner diameter of the stator is rotationally connected with a rotor, the center of the rotor is fixedly connected with a rotating shaft, and one end of the rotating shaft is fixedly connected with a rotating wheel. The system has the advantages that when the flow speed is reduced, the rotating wheel cannot decelerate immediately under the inertia effect, when a flow speed detection device detects that the flow speed is reduced, a jacking device is pressurized, thus damage to a bearing bush caused by pressurization delay can be avoided, when the flow speed detection device and a rotating speed detection device send pressurization instructions to the jacking device at the same time, the jacking device is in an intensified pressurizing state, and thus the bearing bush can be fully protected when a generator is decelerated and started.

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 relates to a solar street lamp with a dust removal function. The solar street lamp with the dust removal function comprises a supporting column, a supporting plate, a solar panel and a lighting device and further comprises a dust removal mechanism and a driving mechanism, the dust removal mechanism comprises a dust removal plate, a power assembly, two limiting assemblies and two reciprocating assemblies, and the driving mechanism comprises a knocking block, two fixing blocks and two knocking assemblies. According to the solar street lamp with the dust removal function, the function that the dust removal plate moves back and forth above the solar panel is achieved through the dust removal mechanism, so that the functions of cleaning and dust removal of the surface of the solar panel can be achieved, and the situation that dust covers the solar panel to cause light reflection and influence on the power generation efficiency is avoided; through the driving mechanism, birds around the solar panel can be repelled, and the probability that the birds stay on the solar panel is reduced, so that the birds are prevented from nesting on the solar panel, and light shielding and influence on the power generation efficiency are prevented.

The umbrella comprises an umbrella body, and the umbrella body comprises an umbrella cover, an umbrella rod and umbrella ribs; the umbrella cover is arranged at one end of the umbrella rod, and the umbrella ribs are arranged on the inner surface of the umbrella cover; the air purification unit is arranged on the umbrella body and is used for implementing air purification operation; the cleaning and cooling unit is arranged on the umbrella body and is used for cleaning the umbrella and / or cooling the space around the umbrella; and the control unit is arranged on the umbrella body and is used for controlling the air purification unit and the cleaning and cooling unit. According to the scheme provided by the embodiment, the air purification unit is combined with the umbrella, so workers underthe umbrella are prevented from inhaling excessive harmful gas and dust, harm of the harmful gas and the dust to the workers located in an outdoor pollution area for a long time is eliminated, automatic cleaning of the umbrella is achieved through the arrangement of the cleaning and cooling unit, labor force is saved, and user experience is improved.

The invention discloses a floating type turbine hydroelectric generation small base station. The floating type turbine hydroelectric generation small base station comprises a base, a hanging bracket and a power generation unit; the base is fixed to the bank side, the hanging bracket is fixed to the base, and the power generation unit is arranged in water through the hanging bracket; the power generation unit comprises a floating body and a balance weight body fixedly connected to the lower face of the floating body, and a water passing channel is arranged between the floating body and the balance weight body; the two sides of the floating body, the lower face of the floating body and the water passing channel are each provided with a plurality of turbine generators; a rectification system electrically connected with all the turbine generators is arranged in the floating body, and charges generated by all the turbine generators are transmitted to electricity storage device on the bank through the rectification system; each turbine generator comprises a machine shell, axial flow type turbine blades and a generator body; and the machine shells are provided with water passing holes in the water flow direction, and the axial flow type turbine blades are rotationally arranged in the water passing holes. According to the floating type turbine hydroelectric generation small base station, the cost for building a foundation building is reduced, no water resource is occupied, and influences on the upstream and the downstream are reduced.

The invention provides a magnetic power generation system. The invention relates to the field of energy. According to the scheme, the magnetic power generation system comprises a base, a rotating shaft is installed on the upper portion of the base, the base is connected with a rotating disc through the rotating shaft, the annular side of the rotating disc is rotationally connected with a plurality of swing assemblies, one end of the rotating shaft is connected with a power generation assembly, the power generation assembly comprises a rotor part, a stator part and an electricity storage device, the stator part is mounted on the base, any swing assembly is connected with the rotor part, the stator part is matched with the rotor part, and the stator part is connected with the electricity storage device. According to the magnetic power generation system, magnetic induction lines can be cut through gravitational attraction to generate power, and the system is quite environmentally friendly.

The invention relates to a pressure-sharing pedal shoe for solar cell panel installation construction. The pressure-sharing pedal shoe comprises a shoe upper, a shoe sole and a storage box. The bottom of the shoe upper is fixed to the shoe sole, a welt is arranged above the shoe upper, the shoe upper is filled with collodion, multiple elastic protrusions are formed on the surface of the collodion, and a cavity for containing the foot is formed between the elastic protrusions and the welt. The pressure-sharing pedal shoe is suitable for the working process of laying construction of cell panels on herringbone roofs or ceilings and later maintenance work. Acting force can be dispersed through the design of the elastic protrusions, the stress effect of certain points of the cell panels is reduced, power generating efficiency is prevented from being affected by damage of the cell panels, construction efficiency is greatly improved, and high practical value and economic value are achieved.

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.

The invention relates to the technical field of photovoltaic power generation assemblies, and discloses a novel self-cleaning solar photovoltaic power generation assembly, which comprises a photovoltaic panel, a thermal conductive strip, a thermal power pipe, a sliding plug and a sealing cylinder, and is characterized in that the inner wall of the sealing cylinder is movably connected with a cleaning mechanism, the cleaning mechanism comprises an air pressure elastic block, and a groove rod is slidably inserted in the middle of the air pressure elastic block. According to the novel self-cleaning solar photovoltaic power generation assembly, heat on the surface of the photovoltaic panel is absorbed and converted, a heat guide wheel intermittent deflection mechanism is utilized, then air in the thermal power pipe can expand with heat and contract with cold, according to the characteristic, a sliding plug is matched to replace air, and therefore stable air pressure driving force is provided for the cleaning mechanism; and a clamping mechanism between an air pressure elastic block and an adapter block is utilized, so that the cotton water storage magnetic brush can automatically reset after a complete cleaning process, the safety and reliability of the unpowered comprehensive cleaning effect are greatly improved, the cleaning frequency of the device is ensured, and the photoelectric conversion efficiency is enhanced.