30results about How to "Avoid sun exposure" patented technology

The present application provides a photovoltaic storage and hydrogen sharing system and photovoltaic storage and sharing device, in which photovoltaic panels are installed on or next to the atmospheric pressure hydrogen tank, and the photovoltaic panels and the atmospheric pressure hydrogen tank constitute a photovoltaic storage and sharing device with complementary functions and integration; when there is sufficient sunlight, the photovoltaic panels supply power to the hydrogen generator to produce hydrogen, and the hydrogen is stored in the atmospheric pressure hydrogen tank; when there is no sunlight, the hydrogen fuel cell receives hydrogen to generate electricity. The present application reduces the energy storage cost of the entire life cycle, opens up a new low-cost technical path for photovoltaic power generation to replace thermal power, and provides a possibility for hydrogen to replace biogas.

The utility model provides a roof anti-leakage structure, which relates to the technical field of building roofs and comprises a storage box, the storage box is provided with at least one opening, guide rails extending downwards in an inclined manner are fixedly mounted at two ends of the opening, connecting shafts are movably mounted in the guide rails, and arc-shaped wind shields which deform elastically are arranged on the outer walls of the connecting shafts; one end of the waterproof cloth is fixedly connected with the connecting shaft, the other end of the waterproof cloth is connected with the rotating shaft in the storage box, the waterproof cloth is arranged in a double-layer mode, and an elastic opening long strip is sewn on the cloth cover, close to the rotating shaft, of the lower-layer waterproof cloth; the elastic opening long strip corresponds to an air blowing opening of an air blowing device which is located at the bottom of the storage box and aligned to the ridge, the air blowing device blows air into a triangular area defined by the elastic opening long strip, the rainproof cloth and the roof at the same time, and the area of the air inlet is larger than that of the air outlet. Therefore, the problem that when rainwater is heavy, the rainproof cloth sinks downwards, water is accumulated, and drainage is not facilitated is solved.

The utility model provides an accumulated sludge discharge device for a grid reaction tank, which relates to the technical field of accumulated sludge discharge devices and comprises the grid reaction tank, a sludge discharge port is formed in the grid reaction tank, a sludge collecting funnel is arranged in the grid reaction tank, and a funnel port of the sludge collecting funnel is matched with the cross section of the grid reaction tank. The outer wall of the funnel opening is attached to the inner wall of the grid reaction tank, and a discharge spout of the sludge collecting funnel is communicated with the sludge discharge opening. According to the utility model, sludge can be prevented from being accumulated at the bottom of the grid reaction tank and can be effectively discharged.

The utility model discloses a soil environment monitoring device for intelligent maintenance of plants, which comprises a water storage tank body, a control box is arranged on the side surface of the water storage tank body, a water pump is arranged at the lower part of the side surface of the water storage tank body, an irrigation main pipeline is connected to the water pump, and a third electromagnetic valve is arranged at the front end of the irrigation main pipeline. According to the soil environment monitoring device for intelligent plant maintenance, by arranging the irrigation main pipeline, a soil humidity sensor, a water dripping hole, a third electromagnetic valve and irrigation branch pipes, humidity monitoring can be conveniently conducted on soil at different positions in a greenhouse, and meanwhile irrigation can be conveniently conducted on the different positions; by arranging the atomizing branch pipes, the atomizing nozzles, the atomizing main pipe and the air temperature and humidity sensor, the air humidity in the greenhouse can be monitored and adjusted conveniently, and in conclusion, the device can be used for monitoring and irrigating multiple positions in the greenhouse at the same time, and meanwhile the humidity of the air environment in the greenhouse can be adjusted.

The utility model discloses a greenhouse with a double-film double-arch structure, and relates to the technical field of greenhouses. The sunshade device comprises stand columns, an inner-layer framework, an outer-layer framework, a sunshade assembly and a ventilation assembly. Vertical column connecting pieces are fixed to the tops of the vertical columns, and outer sunshade vertical columns are fixed to the tops of the vertical column connecting pieces; an inner-layer framework and an outer-layer framework are fixedly installed between the bottom and the top of the stand column connecting piece respectively. A cross beam is fixed between the tops of the outer sunshade stand columns. A sunshade assembly is assembled on the cross beam; the ventilation assembly is fixedly mounted between the inner-layer framework and the outer-layer framework; the sunshade assembly comprises a sunshade curtain and a curtain drawing motor; the ventilation assembly comprises an air blower and a ventilation air duct. And the air blower is fixedly communicated with the ventilation air duct. Under the action of the sunshade assembly and the ventilation assembly, the greenhouse has the advantages that exposure to the sun is avoided, the high temperature degree in summer is reduced to a great extent, and the internal high temperature caused by the fact that external heat at the top of the greenhouse is transferred to the interior is reduced.

The utility model belongs to the technical field of hangers, particularly relates to an air-drying device for vermicelli processing, and aims to solve the problems that the appearance and texture of vermicelli are affected due to the fact that the existing air-drying device cannot shade the vermicelli as required in the outdoor use process, and adopts the following scheme that the air-drying device comprises a movable bottom plate, a first supporting seat is fixedly arranged at the top of the bottom plate, multiple sets of hanging rods are arranged on the two sides of the first supporting seat, and adjusting mechanisms are arranged on the two sides of the first supporting seat and used for adjusting the heights of the hanging rods; according to the utility model, through the design of the movable bottom plate and the height-adjustable hanging rods, the flexible configuration and efficient utilization of an airing space are realized, and a user can quickly adjust the height and spacing of the hanging rods and the setting of the supporting assemblies according to the airing requirements of vermicelli, so that not only is the stability of the hanging rods enhanced, but also the airing efficiency is improved. And a sunshade net and an automatic unfolding and storage mechanism are arranged in the storage box, so that the airing quality is ensured.

The utility model discloses a split type helmet which comprises a helmet body, a mask is arranged on the helmet body, an installation block is arranged on the helmet body, installation plates are arranged on the two sides of the mask, an installation groove is formed in the installation block, clamping grooves are formed in the two sides of the installation groove, clamping springs, clamping rods and clamping plates are arranged in the clamping grooves, and clamping holes are formed in the installation plates. A lining and an inner hoop are fixedly arranged in the helmet body, a plurality of protection pads are arranged in the inner hoop, cavities are formed in the protection pads, buffer columns are arranged in the cavities, fixing rings are arranged between the protection pads, and through cooperation of clamping plates and clamping holes, the mounting blocks and the mounting plates can be conveniently connected, and then the mask can be conveniently fixed to the helmet body; by arranging the mask, the face of a helmet wearer is conveniently protected, the practicability of the helmet body is improved, the inner hoop and the protection pad are arranged in the lining, the protection pad wraps the side face of the head, the head of the wearer is conveniently protected, and meanwhile the protection performance is improved.

The utility model provides an AC metal-enclosed switchgear. The alternating-current metal-enclosed switchgear comprises an alternating-current metal-enclosed switchgear body; the plurality of insulating cushion blocks are fixedly mounted at the bottom of the alternating-current metal-enclosed switchgear body; the base plate is arranged below the plurality of insulating cushion blocks; the mounting shell is arranged outside the alternating-current metal-enclosed switchgear body, and the bottom of the mounting shell is fixedly connected with the base plate; and the lifting plate is arranged at the bottom of the base plate. The AC metal-enclosed switchgear provided by the utility model has the advantages that the height can be adjusted according to actual conditions, water inlet damage during raining and water rising is avoided, and the service life is prolonged.

The utility model provides a pp material fish pond convenient to clean relates to pp material fish pond technical field, including fish pond main part, the inside center position of fish pond main part is provided with convenient cleaning subassembly, convenient cleaning subassembly includes recess, the both sides inner wall of fish pond main part is close to recess all is equipped with the clamping groove, the outside of fish pond main part upper and lower end is connected with first valve and second valve respectively, the inside of recess is provided with the collection of pollution box, the both sides inside of collection of pollution box all are equipped with the slot mouth. In the utility model, when using, through the slope design of fish pond main part bottom, impurity will enter collection of pollution box and collect automatically, when needing to clean collection of pollution box, only need to push the pusher to the inside simultaneously, drive the plug to contract automatically, then can take out collection of pollution box from recess directly, and can clean collection of pollution box, avoid fish pond main part bottom or corner to deposit dirt easily, lead to daily maintenance time -consuming and labor -intensive problem.

The present invention discloses a floating island for river pollution control and a method for using the floating island, comprising a floating base, a plurality of buffer mechanisms are installed along the circumference of the floating base, a power storage mechanism is connected between the buffer mechanism and the floating base, the power storage mechanism is installed inside the floating base, and the end of the power storage mechanism is connected to the buffer mechanism; a cutting mechanism is installed at the bottom of the floating base. When aquatic plants grow for a period of time and the plant root system becomes longer, the longer plant root system can be cut off by the cutting mechanism, thereby shortening the length of the plant root system, avoiding the plant root system from growing longer and entangled with each other, affecting the sunlight and ecological environment inside the river channel, and effectively improving the ecological environment inside the river channel. The cut plant root system can be used as food for fish and other organisms; the floating base is protected by the buffer mechanism, and as the water flow impacts or debris inside the river channel hits the buffer mechanism, the power storage mechanism is driven to work, and the driving force is stored by the power storage mechanism, thereby driving the cutting mechanism to work.

The utility model relates to the technical field of transformers, and discloses an oil-immersed transformer, which comprises an oil-immersed transformer main body, an oil tank and a mounting block, the oil-immersed transformer main body is arranged in the oil tank, and a voltage bushing on the oil-immersed transformer main body penetrates through the top of the oil tank and extends upwards. Mounting blocks are connected to the two sides of the bottom of the oil tank correspondingly, mounting holes are formed in the two mounting blocks correspondingly, and first connecting blocks are connected to the left side wall and the right side wall of the oil tank correspondingly. According to the utility model, the protective cover body, the first connecting block, the second connecting block, the second connecting hole, the first connecting hole and the fastening bolt are arranged and are matched with one another, so that a plurality of voltage bushings on the oil-immersed transformer main body can be protected; the problems of damage, short circuit and the like caused by the fact that a plastic bag blown by wind is wound on the voltage bushing or branches broken by strong wind impact the voltage bushing are avoided, and the safety level of the oil-immersed transformer is improved.

The utility model relates to the technical field of irrigation pipelines, in particular to a polyethylene pipeline for irrigation and water delivery, which comprises an outer pipeline, a buffer structure and an inner pipeline. The outer side of the outer pipeline is wrapped with a sun-proof layer, the inner pipeline is located in the outer pipeline, and a buffering structure is arranged between the outer pipeline and the inner pipeline. When the polyethylene pipeline is placed on a ridge, the pipeline can be prevented from being exposed to the sun through the sun protection layer, then the pipeline is prevented from being damaged due to high temperature, meanwhile, when the pipeline is subjected to external pressure, the annular wavy elastic buffer piece ensures that the pipeline cannot be damaged due to too large pressure, and then the service life of the polyethylene pipeline is integrally prolonged.

This utility model relates to the field of cable fixing technology for distribution cabinets, and more particularly to a cable fixing device for distribution cabinets. It includes a fixing plate disposed on the side wall of the distribution cabinet. The fixing plate has interconnected fixing holes, a first limiting hole, and a second limiting hole. A pressure plate for clamping the cable is disposed within the fixing hole via a movable component. A rotating shaft is rotatably mounted on the fixing plate, and a turntable and a take-up roller for winding the cable are fixedly mounted on the rotating shaft. The take-up roller has positioning holes for positioning the cable. This utility model effectively avoids safety hazards caused by tangled cables by setting a take-up roller outside the cable fixing opening. During maintenance, personnel can quickly locate the problem. A rubber plug installed in the positioning hole of the take-up roller serves to clamp and protect the cable. A protective shell effectively prevents the cable from being exposed to sunlight and prevents oxidation of the surface insulation layer.

The utility model relates to the technical field of parking sheds, in particular to a steel structure assembly type parking shed which comprises tarpaulin, two special-shaped columns and longitudinal cross beams, supporting assemblies and inhaul cable connecting sleeves are arranged on the two special-shaped columns, and the inhaul cable connecting sleeves are located above the supporting assemblies. The supporting assembly comprises a supporting sleeve arranged on the special-shaped column in a sleeving mode, a first overhanging beam and a second overhanging beam are arranged on the two sides of the supporting sleeve respectively, a first inhaul cable and a second inhaul cable are connected to the two sides of the inhaul cable connecting sleeve respectively, the first inhaul cable is connected with the second overhanging beam, and the second inhaul cable is connected with the supporting sleeve. The second inhaul cable is connected with the first overhanging cross beam, and the tarpaulin is connected with the first overhanging cross beam, the second overhanging cross beam, the inhaul cable connecting sleeve and the two longitudinal cross beams. The connecting structure is convenient to install, convenient to construct on site, small in welding workload and high in installation speed; and components for assembling the parking shed are also convenient to transport.

The utility model relates to agricultural machinery component technical field, concretely is a rain -proof agricultural machine roof structure, including frame body, the top of frame body is provided with the shelter cloth, the top of frame body is provided with the adjusting assembly, the adjusting assembly includes: the fixing frame, the lateral wall of fixing frame is opened with the horizontal groove, the horizontal groove is connected with the folding mechanism swing, the movable frame, the movable frame sets up in the folding mechanism far away from the one side of fixing frame, the lateral wall rotation of movable frame is connected with bolt, the lateral wall rotation of bolt is connected with side wing frame, through setting up the adjusting assembly, the unfolding degree of adjusting folding mechanism, realize the adjustment to the shelter range, change the unfolding angle of side wing frame according to the width of agricultural machinery, and then adapt to different sun angle and rain and snow direction.

The utility model belongs to the technical field of transformer installation, and particularly discloses a transformer installation structure which comprises an embedded vertical rod, and the outer wall of the vertical rod is sequentially and fixedly connected with a hoop and a second steel channel from bottom to top through bolts. Rainwater enters the storage tank from the inlet, crosses the water collecting tank through the gap and is absorbed by the sponge, when the sponge is filled to a certain degree, the rainwater enters the conveying plate from the through hole, the rainwater accelerates to flow downwards when flowing to the middle, and due to the fact that the groove opening is formed in the bottom side of the conveying plate, the rainwater can be conveyed to the storage tank through the groove opening. Due to the fact that the notch is arranged on the conveying plate, part of rainwater can drip through the notch while the rainwater flows along the attached conveying plate, raindrops are formed and fall to the top face of the conveying plate, large raindrops can be formed and fall to the top of the rain shelter even if the rain is not large, a certain automatic cleaning function is achieved, and the situation that bird droppings and other attachments are located at the top of the rain shelter for a long time is effectively prevented.

The utility model discloses a multifunctional display platform for park management, which comprises a display machine body, one side of the display machine body is provided with a main screen, one side of the display machine body is fixedly provided with a connecting block, the connecting block is provided with a long groove, one side of the connecting block is fixedly provided with a thread motor, and the thread motor is provided with a thread. The output end of the threaded motor rotationally penetrates through the connecting block and is fixedly provided with a threaded rod, a sliding block is slidably installed on the outer side of the threaded rod, the threaded motor is started to drive the sliding block slidably installed on the outer side of the threaded rod to move, and then the sliding block can drive the fixing rod to move; then, a movable cylinder movably connected to the outer side of the fixing rod in a sleeving mode can drive the sunshade cloth to extend outwards, then shielding of the display machine body can be completed, the display machine body can be effectively prevented from being exposed to the sun by heavy snow or the sun, and by arranging a guide rod and a moving block, an auxiliary moving effect can be provided when a sliding block moves; and the sunshade cloth can move stably.

The utility model relates to the technical field of containers, in particular to an illumination-adjustable planting culture container which comprises a container body and a culture frame with four hollowed-out faces, installation grooves are formed in the two side walls of the container body, and light-transmitting glass is installed in the installation grooves. A plurality of angle-adjustable shading plates are arranged at the position, located on the inner side wall of the container body, of the light-transmitting glass, a reflecting mirror is arranged on one end face of each shading plate, the shading plates can slide in a reciprocating mode in the vertical direction, a rectangular groove is formed in the top end of the container body, and a refraction plate is rotationally arranged in the rectangular groove. The lifting assembly controls the shading plate to move up and down so that light can be located at a proper position, the synchronous belt drives the gear to rotate so that the shading plate can rotate, the light is reflected to plants on the cultivation frame through the reflecting mirror at the other end of the shading plate, sufficient light is provided for the plants, and the purpose that sunlight illumination is controllable is achieved. The production speed and the growth quality of plants are guaranteed.

The utility model discloses a pressure vessel transfer device, which relates to the technical field of pressure vessel transfer and comprises a cart, the front end of the cart is connected with a connecting block, a connecting shaft is movably inserted in the connecting block, two ends of the connecting shaft are connected with a protective plate, and one side of the protective plate far away from the connecting block is connected with a butt joint block. According to the gas tank trolley, the protection plate and the abutting plate are arranged, in the outdoor transferring process, through mutual cooperation of the protection plate and the abutting plate, blocking of solar rays can be achieved, the gas tank on the trolley is prevented from being exposed to the sun for a long time, and therefore the safety of the trolley in the transferring process can be effectively guaranteed; in the outdoor transfer process, through mutual cooperation of the protection plate and the abutting plate, blocking of solar rays can be achieved, the gas tank on the trolley is prevented from being exposed to the sun for a long time, and therefore the safety of the trolley in the transfer process can be effectively guaranteed.

The utility model discloses a monitoring device for detecting ethane gas in transformer oil, which comprises a handheld gas chromatograph, a protection mechanism and a mounting bracket, the protection mechanism is arranged at the upper end of the handheld gas chromatograph, the protection mechanism comprises a mounting rod, a baffle plate and a rotating rod, the mounting bracket is arranged on the rear side of the handheld gas chromatograph, and the baffle plate is arranged on the mounting bracket. The mounting support comprises a connecting plate, a joining plate and a back plate, the connecting plate is arranged on the inner side of the joining plate, and the joining plate is arranged on the front side of the back plate. According to the utility model, the protection mechanism is additionally arranged on the existing handheld gas chromatograph, the mounting position of the baffle plate is adjusted as required, and the shielding area is adjusted by utilizing the rotating rod, so that the handheld gas chromatograph is shielded and protected when being used at a fixed position; the handheld gas chromatograph is mounted in an area close to the transformer by using the mounting bracket, so that the ethane gas in the transformer can be conveniently monitored.

A vehicle-mounted telescopic combined solar power generation device is a device which is installed on the top of a vehicle and utilizes solar energy to generate power, has the function of expanding a solar power generation panel inwards and outwards, combines and utilizes the solar power generation area of a vehicle parking area to the maximum extent, has the vehicle sunshade function when used, and is folded and recycled when not used. And the use function of the vehicle is not influenced. The device can be installed on all mobile vehicles capable of receiving solar energy, including new energy vehicles and non-new energy vehicles, generated electric energy can serve as a charging power source of the new energy vehicles, grid connection can also be achieved through the intelligent charging pile, and the utilization way of the solar energy is developed. The device can also be installed in fixed areas such as a parking lot, fully utilizes solar energy for power generation, and is retracted when not used to reduce space occupation.

The utility model discloses a hot melting kettle device for hot melting road marking, which comprises a hot melting module, the hot melting module comprises an outer shell, an inner kettle body, a stirring mechanism and a heating mechanism, the hot melting kettle device also comprises a material storing and feeding module, the material storing and feeding module comprises a material storing box and a feeding machine, the material storing box is internally provided with a material storing bin, the top of the material storing bin is provided with a feeding port, and the feeding machine is provided with a feeding port. The bottom of the storage bin is communicated with the lower portion of the corresponding feeding machine, a butt joint opening is formed in the upper portion of the outer shell and is in butt joint with the feeding machine, the inner kettle body is arranged in the outer shell, an output opening is formed in the rear portion of the outer shell, and the inner side of the output opening is communicated with the inner kettle body; the door opening and closing assembly comprises a door frame, a door plate and a driving mechanism, the door frame is fixedly arranged at the output port of the outer shell, the door plate movably abuts against the output port, the door plate is driven to be opened and closed through the driving mechanism, and the power module comprises a diesel engine, a generator, an oil pump and a flow control valve and is controlled by the controller.

The utility model relates to the technical field of rock core storage, and particularly discloses a novel rock core storage device for site investigation, which comprises a box body, a plurality of partition plates are arranged in the box body, a plurality of accommodating grooves are formed among the partition plates, and a movable assembly comprises two sleeves which are in sliding connection with the left side and the right side of the inner wall of each accommodating groove. A sleeve plate is inserted between the two sleeves, the partition plate freely moves according to rock cores with different apertures, the problem that a box with a fixed width is difficult to adapt to the rock cores with different apertures is avoided, mixing of the placed rock cores of different stratums can be avoided by adjusting the distance between the two movable assemblies in the same containing groove, and the practicability is high. Meanwhile, the stratum condition of the site can be known more visually, rock cores with different lengths can be arranged according to different stratum soil thicknesses, the rock cores stored in the box body can be covered through the cover plate in the site investigation process, and the site recording accuracy is greatly improved.

The utility model discloses a device for fixing a gas pump vibration sensor on a motor or a pump body, which comprises a first sensor fixing plate, a second sensor fixing plate and a third sensor fixing plate, an area between the third sensor fixing plate and the motor or the pump body is a placing area, and the placing area is used for accommodating the gas pump vibration sensor; one end of the sensor pressing plate is fixedly connected with the sensor pressing plate, the other end of the sensor pressing plate abuts against the third sensor fixing plate, and the spring is used for generating pressure on the sensor pressing plate, so that the sensor pressing plate enables the gas pump vibration sensor to abut against the motor or the pump body. The elastic part is also used for buffering vibration of the sensor pressing plate through the elasticity in the vibration process of the motor or the pump body; according to the utility model, the gas pump vibration sensor is fixed in the placing area by arranging the sensor pressing plate, so that the gas pump vibration sensor is tightly propped against a motor or a pump body, the normal detection of the gas pump vibration sensor is ensured, and false alarm is avoided.

The invention relates to a water level measurement method and system based on an image recognition technology. According to the water level measurement method based on the image recognition technology, a water gauge is used for measuring the water level, original images containing all the lengths of the water gauge are remotely collected through image collection equipment according to the interval time, and then the collected multiple original images are subjected to batch processing to obtain dynamic batch data. Water level data are obtained through an image recognition technology and are associated with water conservancy informatization, a riverway monitoring system, low-altitude economy-unmanned aerial vehicle aerial photography and other technologies. Automatic and intelligent upgrading is achieved on the basis of existing water gauge measurement, so that remote measurement of the water gauge is achieved, and hydrological data are dynamically obtained. The invention provides a new water level data acquisition way besides the acquisition of the water level data by the sensor.

The utility model discloses a bridge guardrail maintenance device, and relates to the technical field of bridge guardrail maintenance, in particular to a bridge guardrail maintenance device which comprises a cement guardrail, maintenance cloth is placed on the top of the cement guardrail, a drip irrigation pipe is laid above the maintenance cloth, drip irrigation holes are formed in the drip irrigation pipe, one end of the drip irrigation pipe is connected with a booster pump, and the other end of the drip irrigation pipe is connected with a water pump. A water storage barrel is arranged on one side of the booster pump, a U-shaped clamp is inversely buckled on the outer side of the cement guardrail and the outer side of the drip irrigation pipe, and the U-shaped clamp comprises a clamp head, a front side plate and a rear side plate. According to the bridge guardrail maintenance device, the drip irrigation pipe, the booster pump and the water storage barrel are arranged in a matched mode, so that the bridge guardrail maintenance device has the effects of reducing the maintenance cost and improving the working efficiency, and the booster pump, the maintenance cloth and the drip irrigation pipe are arranged in a matched mode, so that the bridge guardrail maintenance device has the effect of being good in maintenance effect.

The utility model relates to the technical field of containers, in particular to a swimming pool container which comprises a container body, a stair is arranged on one side of the container body, a cavity is formed in one side of the stair and serves as a pool, a plurality of backflow pipelines are arranged at the bottom end of the pool, and water pumping ports of the backflow pipelines are located at the bottom of the tail end of the pool. A water outlet of the backflow pipeline is located in the side wall of the head end of the pool. A left top cover is arranged at the top end of the container body. The backflow pipeline is arranged, water at the tail end of the water pool is pumped to the front end of the water pool through the water pumping opening of the backflow pipeline, the water outlet of the backflow pipeline is obliquely arranged, and after flowing out through the water outlet, the water impacts the buffering ramp, so that the flow speed of sprayed water flow is reduced, the water flow is prevented from impacting a human body, and the swimming rhythm of a swimmer is prevented from being influenced; the water flow is accumulated through the buffer ramp, so that the water flow uniformly flows out towards the back of the pool, a swimmer can swim for a long time in the same direction, and the situation that the swimming state of the swimmer is affected due to limited space is avoided.

The invention relates to the technical field of photovoltaic power generation, in particular to an integrated distributed photovoltaic power generation device which is simple in structure, can automatically clean the surface of a photovoltaic panel, does not need manual treatment, and improves the use convenience. Comprising a bottom plate, a brush roller and a photovoltaic panel, vertical plates are fixed to the two sides of the top of the bottom plate, the two sides of the photovoltaic panel are fixed to the two vertical plates respectively, the vertical plates are provided with through holes, the through holes are formed in the length direction of the photovoltaic panel, bearings moving along the through holes are further included, rotating shafts are rotationally connected into the bearings, and the two ends of the brush roller are connected with one ends of the two rotating shafts respectively; the driving mechanism is used for driving the bearing to move along the through hole; and the power mechanism is used for driving the brush roller to rotate.