268 results about "SUN LIGHT EXPOSURE" patented technology

The utility model discloses a foldable assembly type photovoltaic power generation panel, which comprises a rectangular frame, a threaded shell and an insertion pipe, four side surfaces of the rectangular frame are rotatably connected with first protection frames, the side surfaces of the first protection frames are rotatably connected with second protection frames, the upper surface of the rectangular frame is also provided with the first protection frames, and the second protection frames are rotatably connected with the threaded shell. The photovoltaic panels are installed in the first protection frame and the second protection frame, the first protection frame on the upper surface of the rectangular frame is provided with two hand lifting ropes, the threaded shells are installed on the surfaces of the first protection frame and the second protection frame, handle screws are in threaded connection with the interiors of the threaded shells, and the insertion pipes are installed on the surfaces of the first protection frame and the second protection frame. The photovoltaic panels can be unfolded through the four first protection frames on the side faces of the rectangular frame, then the four second protection frames are unfolded, the area of the photovoltaic panels is increased, no shadow covers the photovoltaic panels, the power generation power is improved, all the photovoltaic panels are located at the unified inclination angle, and the photovoltaic panels can be better irradiated by sunlight.

To provide a power supply system that minimizes capital investment.SOLUTION: A power supply system includes a solar power generation device 13 that generates power when irradiated with sunlight, a fuel cell 14 that generates power when supplied with fuel, a secondary battery 15 that can be charged and discharged, and a control unit 16 that controls the solar power generation device 13, the fuel cell 14, and the secondary battery 15. The control unit 16 obtains a power demand forecast of the power that is to be required from the power demand 11 and a solar power generation forecast of the power that is to be generated by the solar power generation device 13, and formulates an operation plan for operating the fuel cell 14, the solar power generation device 13, and the secondary battery 15 in response to the power demand 11 on the basis of the power demand forecast and the solar power generation forecast, and controls the operation of the fuel cell 14 to follow the power demand load of the power demand 11 based on the operation plan.SELECTED DRAWING: Figure 2

The invention discloses a summer high-temperature sun protection device for crops, and relates to the technical field of crop planting. Comprising a mounting frame, two guide rods are horizontally arranged in the mounting frame, the two ends of each guide rod are fixedly connected to the inner side wall of the mounting frame, the same sunshade mechanism is arranged on the two guide rods, and a folding and unfolding mechanism connected with the sunshade mechanism is arranged on the inner top wall of the mounting frame; four supporting mechanisms are arranged at the lower end of the mounting frame, the four supporting mechanisms are distributed in a rectangular structure, the supporting mechanisms are located at the corners of the lower end of the mounting frame, and a plurality of spraying mechanisms are arranged at the lower end of the mounting frame. When crops need to be shaded, the shading net is unfolded for shading, when the crops need to be irradiated by sunlight, the shading net is stored, use is convenient and fast, meanwhile, the requirement for crop spraying operation is met, the device is convenient to move, and then the device is convenient to transfer or transfer.

A car seat and steering wheel cover. The car seat and steering wheel cover is formed of a main body configured to prevent rays from the sun from contacting at least one car seat and a steering wheel cover member configured to encompass a steering wheel along with a car seat strap which when attached to the steering wheel and car seat prevent rays from the sun from contacting the steering wheel and car seat. The car seat and steering wheel cover may also cover the driver and passenger seat.

A Surface-affixed, Storm-Resistant Containment Unit involves a shelter structure, with internally-mounted photovoltaic solar panels, and movable doors which may be ‘closed’ to protect the photovoltaic solar panels from storm-related damage, e.g. hail, extreme wind and airborne debris. When weather conditions improve, the movable doors may be ‘opened’, allowing sunlight to strike the undamaged photovoltaic solar panels, and renewable energy production to resume. These Storm-Resistant Containment Units may be installed, and electrically connected in multiples to comprise a storm-resistant, commercially-sized, renewable power generating station (or ‘Micro-Grid’) for use in geographic areas prone to severe storms and hurricanes. Such storm-resistant, commercially-sized, power generation station may be advantageously applied at existing ‘Brown-Field’ industrial sites that have existing, unused electrical-grid infrastructure.

The utility model discloses a high-efficiency photovoltaic illumination reflection device, which comprises a photovoltaic panel and a mounting rack, and further comprises a tracking support, a first motor, a rotating support, a driving assembly, a reflection plate assembly and an illumination sensor, the photovoltaic panel is connected to the mounting rack, the first motor is located at one end of the mounting rack and arranged inside the mounting rack, and the rotating support is arranged on the first motor. The tracking support is connected to the lower portion of the mounting frame, the rotating support is hinged to the upper portion of the mounting frame, the first motor is connected with the rotating support, the driving assembly is connected to the interior of the rotating support and arranged on one side of the rotating support, and the reflecting plate assembly is arranged above the photovoltaic panel and connected with the driving assembly. The illumination sensor is arranged at the top end of the reflecting plate assembly and connected with the first motor, the driving assembly and the reflecting plate assembly, and when the photovoltaic panels are irradiated by sunlight, the illumination sensor can automatically change the angle between the reflecting plates and the photovoltaic panels according to the intensity of illumination reflected by the photovoltaic panels so as to improve the working efficiency of the reflecting plates.

The utility model belongs to the field of sun-drying equipment, and particularly relates to totally-enclosed conveyor sun-drying equipment which comprises a steel frame detachably arranged on the ground, sealing plates arranged on the periphery of the steel frame and a top plate used for sealing the top faces of the four sealing plates, and the sealing plates, the top plate and the ground form a drying chamber. A conveying device used for containing materials is arranged in the drying chamber. And an exhaust fan communicated with the drying chamber is arranged on the sealing plate. The multiple conveying devices are vertically distributed on the ground at intervals, and the ends of the adjacent conveying devices are arranged in a staggered mode. The sealing plates are arranged on the periphery of the steel frame, the top plate is arranged on the sealing plates on the periphery of the steel frame, the drying chamber is formed between the sealing plates and the top plate, sunlight irradiates in the drying chamber, the internal temperature of the drying chamber rises, and therefore the drying efficiency of coal slime in the drying chamber can be improved. And the coal slime is dried in the totally-enclosed drying chamber, so that the coal slime can be prevented from being blown away by wind, and the environment is protected from being polluted.

To provide a protective cover capable of preventing wetting or staining, damage from pests / of harmful animals, and a degradation due to sunlight of a driver seat and peripheral devices thereof, exhibiting high drainage and dust dischargeability, and easily fitted / removed but difficult to fall off from a device to be fitted, and a method for fitting the same.SOLUTION: A protective cover A is formed of a continuous fabric body A0, and comprises: a three-dimensional cover 2 that can cover an upper part of a device to be fitted; and a side cover 3 provided to be connected to the three-dimensional cover 2 and open at the lower part. The lower edge part of the side cover 3 is an opening edge part 1. The protective cover A is formed so as to be able to envelop and cover an upper part of an operator part M2 by the three-dimensional cover 2 and envelop and cover a lower part of the operator part M2 by the side cover 3. Water slip surfaces 4A and 4B are provided to be continuous from the three-dimensional cover 2 to the side cover 3.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of monitoring equipment, in particular to video monitoring equipment with good weather resistance, which comprises a mounting bracket and a monitor body, a protective cover is fixedly mounted on the outer side of the monitor body, a driving motor is fixedly mounted at the middle end of the top of the protective cover, the output end of the driving motor is fixedly connected with a threaded rod, and the threaded rod is fixedly connected with the mounting bracket. A movable plate is in threaded connection with the left end of the outer surface of the threaded rod, guide pin shafts are fixedly connected to the front side and the rear side of the movable plate, limiting bases are movably connected to the outer sides of the guide pin shafts, and a solar cell panel is fixedly installed at the tops of the limiting bases. According to the utility model, under the action of the protective cover, the solar cell panel and the side baffle plates, the monitoring equipment has the advantage of good weather resistance, and the problem that the normal work of the equipment is influenced because the outdoor video monitoring equipment is easy to erode by rain, snow and sand after being used for a long time, especially by the irradiation of hot sunlight in summer is solved.

The utility model provides a photoelectric curtain wall, which relates to the field of curtain walls and comprises a plurality of longitudinal beams and a plurality of cross beams vertically inserted into all the longitudinal beams. The longitudinal beams and the transverse beams form a plurality of rectangular spaces; the device further comprises multiple pieces of photoelectric glass. The photoelectric glass covers the corresponding rectangular space and keeps an inclined included angle with the rectangular space; a frame fixedly combined with the longitudinal beams and the cross beams is arranged between the front and back adjacent photoelectric glass; the frame is provided with a closed groove and an open groove. Wherein the light-transmitting glass is embedded in the closed groove, and the reflecting plate is arranged in the open groove; according to the basement entrance, the light-transmitting glass arranged in the front frame is located in the reflection range of the reflection plate in the rear adjacent frame, and therefore it can be determined that when sunlight irradiates the reflection plate, the sunlight can be reflected into a room through the light-transmitting glass, and the lighting rate of the basement entrance is increased.

The invention discloses a photovoltaic tracking support and a control method thereof.The photovoltaic tracking support comprises a mounting bracket for mounting a photovoltaic module, a main shaft is fixed to the mounting bracket through at least two connecting parts, one end of the main shaft is movably connected to a second stand column, and the other end of the main shaft is provided with an azimuth angle adjusting mechanism; the bottom of the azimuth angle adjusting mechanism is movably connected with an electric telescopic rod; an ultrasonic anemorumbometer and a plurality of photosensitive diodes are arranged at the top of the photovoltaic module, and an attitude measurement sensor is arranged at the input end of the main shaft. The photovoltaic tracking support is simple in structure, good in anti-wind stability, high in control precision and capable of adapting to different collection environments, disturbance response is more timely in cooperation with a control method based on HOSMD-ADRC, real-time adjustment of the azimuth angle and the pitch angle of the support can be achieved, and the stability of the support is improved. Therefore, the photovoltaic module can receive the optimal sunlight irradiation at different times in one day, so that the photoelectric conversion efficiency is improved to the maximum extent.

The utility model discloses an airing device for pepper breeding, which comprises a stable placing seat, two support connecting frames are fixed at the top of the stable placing seat, and a support rotating rod penetrating through the other side of the support connecting frame is movably inserted into one side of the support connecting frame. According to the pepper seed airing device, the auxiliary airing mechanism is arranged, two metal impact rods can synchronously impact two sides of the bottom of the pepper seed airing placing plate, pepper seeds in the pepper seed airing placing plate are assisted to turn over, and the seeds are uniformly irradiated by sunlight, so that the purpose of uniformly drying is achieved, and the airing effect during pepper seed breeding is improved; by arranging a shielding windproof mechanism, the position locking and unlocking operation of the movable frame is simple and convenient, a shielding net plate can prevent strong wind from blowing away pepper seeds, the shielding net plate can also shield direct sunlight to a certain extent, and the situation that growth and development of the seeds are affected is avoided; and normal drying and ventilation of the pepper seed airing placing plate cannot be influenced.

Natural turmeric and hibiscus inks were developed for use on fabrics and writing surfaces. Ethanolic extracts of turmeric and hibiscus were obtained and formulated with environmentally friendly mordants such as ferrous sulfate, ascorbic acid, and apple cider vinegar, and thickeners such as linseed oil and aloe vera. These treatments were tested on fabric, filter paper, and notebook paper. Color and color loss were evaluated using the Paint program when exposed to sunlight and washing (in the case of fabric), comparing the RGB and Hex pixel values ​​obtained before and after sun exposure and washing. The degree of similarity was assessed using a digital Color Matcher Tool with the Hex and RGB data. Once the best treatment with the aforementioned mordants was determined, the ink formulation was developed using thickeners such as gelatin, alginate, cornstarch, and honey.It has a pleasing color and good consistency for use on fabric and paper. It's possible to create inks for writing and dyeing fabrics with readily available ingredients, thus contributing to environmental protection.

The utility model discloses a hollow shutter with a built-in sunshade structure, which comprises a window frame, fixing plates are arranged on two sides in the window frame, a plurality of blades are rotatably connected between the two groups of fixing plates through rotating shafts, a sliding plate is slidably sleeved on the surface of a guide rod, a sunshade component is arranged in the window frame, and when the sunshade effect is adjusted under the condition that the blades are closed, the sunshade structure can be adjusted. The motor can be started to work, an output shaft of the motor rotates forwards to drive the winding drum in the storage box to rotate, so that the rotating winding drum starts to wind the sunshade cloth, one end of the unwound sunshade cloth slides on the surface of the sliding rod under the gravity action of the balancing weight, and the sliding balancing weight drives the sunshade cloth to move from the top of the window frame to the bottom of the window frame; the sunshade cloth is arranged on the back of the window frame, so that the back of the window frame is covered, sunlight penetrating through gaps of the louver is effectively blocked under the action of the sunshade cloth, the sunshade effect of the louver is enhanced, and the sunlight penetrating through the gaps of the louver is prevented from irradiating into a room.

The utility model relates to the technical field of vehicle-mounted terminal equipment, in particular to a license plate recognition device based on a vehicle-mounted terminal, which comprises a vehicle-mounted terminal shell, a base and an environment sensing unit, the base and the environment sensing unit are positioned at the bottom of the vehicle-mounted terminal shell, and a visible light camera and an infrared camera are respectively arranged on the front end face of the vehicle-mounted terminal shell from left to right. An installation cavity is formed in the lower portion of the interior of the vehicle-mounted terminal shell, two kneading blocks are kneaded again during disassembly, two clamping plates are driven to be retracted into the vehicle-mounted terminal shell again, then the vehicle-mounted terminal shell can be taken down upwards, disassembly and assembly are convenient, the structure is simple, overhaul and maintenance are convenient, by arranging an illumination sensor and a rainfall sensor, the external environment is conveniently monitored, and the practicability is high. The sunlight exposure outside the vehicle is sensed through the illumination sensor, the rainfall condition outside the vehicle is sensed through the rainfall sensor, control information of turning on and turning off is provided for selecting the visible light camera and the infrared camera, so that license plate recognition is better carried out, the recognition rate in severe weather is high, and the environmental adaptability is improved.

This utility model discloses a high-strength bird deterrent device, relating to the technical field of bird deterrent devices. The high-strength bird deterrent device includes: a mounting base, a support rod fixedly connected to the upper end of the mounting base, a rotating shaft rotatably connected to the upper surface of the support rod, a fixing rod fixedly connected to the surface of the rotating shaft, a wind cup fixedly connected to the fixing rod, a reflector fixedly connected inside the wind cup, a reinforcing layer on the surface of the support rod, a protective layer on the surface of the reinforcing layer, and a locking assembly located on the mounting base for installing and locking the mounting base. This invention solves the technical problem of existing wind-powered bird deterrents having low strength, and the support components being easily affected by external conditions such as sunlight, temperature changes, wind, and rain during long-term use, leading to corrosion, oxidation, and reduced strength, thus affecting their service life.

Method, apparatus, and computer program product are disclosed for estimating evapotranspiration (ET) using thermal and optical images. In some embodiments, a color image and a thermal image are acquired substantially simultaneously, each capturing a target of interest associated with an agricultural crop. Features, including color features and / or texture features, are extracted from the color image. The color image is segmented into surface temperature components based on the extracted features. The surface temperature components are selected from the group consisting of sunlit soil, sunlit residue, sunlit vegetation, sunlit snow, shaded soil, shaded residue, shaded vegetation, and shaded snow. The color image and the thermal image are co-registered to provide a registered thermal image. A component temperature is assigned to each of the surface temperature components by applying component masks to the registered thermal image. ET is estimated based on the component temperatures using an energy balance model or other ET model.

The utility model relates to the field of photovoltaic power generation, and discloses power equipment for photovoltaic power supply, which comprises an outer box body, the inner wall of the outer box body is fixedly connected with a supporting rod, the inner wall of the supporting rod is fixedly connected with an inner box body, the outer wall of the inner box body is fixedly connected with a fixing plate, the bottom wall of the inner box body is fixedly connected with a driving motor, and the driving motor is fixedly connected with a power source. And heat dissipation blades are fixedly connected to the top of an output shaft of the driving motor, a supporting plate is fixedly connected to the inner wall of the inner box body, a connecting groove is formed in the top of the supporting plate, and a partition plate is movably connected to the inner wall of the connecting groove. According to the power equipment for photovoltaic power supply, the functions of heat dissipation and dust prevention are achieved, and the function of heat insulation is achieved, so that the situation that internal electric devices are damaged due to the fact that the temperature is too high due to sunlight irradiation or the temperature is too low due to contact with rain and snow when the power equipment is used outdoors is avoided, and the service life is prolonged.

The present invention provides a vehicle sun visor control method, system, electronic device, and vehicle, relating to the field of vehicle intelligent control technology. The method comprises obtaining the eye coordinates and eyelid opening and closing distance of a person at a preset position in the vehicle, obtaining first eye coordinates and the first eyelid opening and closing distance, and when the first eyelid opening and closing distance is less than a set eyelid opening and closing distance, obtaining the set sun visor parameters based on the first eye coordinates and a pre-set mapping relationship between the first eye coordinates and set sun visor parameters. The sun visor is adjusted based on the set sun visor parameters; after the sun visor is adjusted, the sun visor is fine-tuned based on the sunlight angle of the day. The set sun visor parameters for each eye coordinate are the position parameters of the sun visor that remains at the eye coordinate for the longest time. Adjusting the sun visor based on the set sun visor parameters at the beginning of the adjustment can improve the driver and passenger's experience of using the sun visor.

The present invention relates to the technical field of green building walls, specifically to an expandable green building wall, comprising a load-bearing wall and a wall frame embedded in the load-bearing wall, wherein the front side of the wall frame is fixedly connected to a horizontal frame, and the front side of the horizontal frame is fixedly connected to a pin. The present invention provides an expandable green building wall, which has the advantages of providing a load-bearing wall as a building support wall, installing an exterior wall structure through the wall frame, a hollow shaft inside the vertical frame for supporting the structure, and providing a planting component for planting plants. The planted plants can be selected from a variety of drought-resistant, cold-resistant herbs with low light requirements, such as sedum and scutellaria. After being expanded, the plants can receive sunlight and air circulation to exert their ecological functions. The auxiliary component's panel frame is usually stored at the bottom of the bottom rotating blade, and its photovoltaic panel can assist the building in energy supply.

The present invention discloses a heat dissipation system and a vehicle-mounted camera system for a vehicle-mounted camera. The heat dissipation system for the vehicle-mounted camera includes a power supply module and an active heat dissipation module. The active heat dissipation module is used to receive power from the power supply module and perform active heat dissipation on the vehicle-mounted camera. By providing an active heat dissipation module, the present invention can improve the heat dissipation speed of the vehicle-mounted camera as a whole or part thereof, and promptly remove the heat generated by the vehicle-mounted camera's own operation and the heat received by the vehicle-mounted camera due to factors such as sunlight exposure. This is conducive to maintaining the vehicle-mounted camera at a lower temperature, reducing the aging rate of components in the vehicle-mounted camera, and increasing the service life of the vehicle-mounted camera. It can keep the vehicle-mounted camera at a lower temperature, ensuring that the vehicle-mounted camera performs imaging and shooting in a stable manner. The vehicle-mounted camera system provided with such a heat dissipation system has the advantages of fast heat dissipation speed and stable operation. The present invention is widely used in the field of automotive technology.

The utility model relates to the technical field of plant shooting, in particular to a field plant shooting auxiliary frame which comprises a supporting pipe, a protection section and a steel wire rope are arranged in the supporting pipe, a panel used for placing shooting equipment is arranged at one end of the supporting pipe, and a rubber pad used for protecting the shooting equipment is arranged on the panel. The panel is provided with a shading curtain used for reducing sunlight irradiation of the focusing end. According to the utility model, through the arrangement of the shading curtain and the limiting plate, background interference can be avoided when small flowers and spikelets are shot, meanwhile, the reduction of the photo effect caused by sufficient sunlight irradiation is reduced, and the shading curtain can be freely contracted and adjusted under the action of the sliding block so as to be suitable for shooting equipment with different specifications, thereby improving the shooting effect of the shooting equipment and improving the shooting efficiency of the shooting equipment. The fine adjustment effect of the shading curtain can be improved through the micro-distance adjusting columns, the situation that large-specification shooting equipment cannot be contained on the panel is avoided, and therefore the shooting scene effect of the small flowers and spikelets is improved.

The utility model provides a display with high light transmittance, which belongs to the technical field of surface water micro-plastic detection, and comprises a sleeve shell and a protection assembly arranged in the sleeve shell, the protection assembly comprises a constraint frame, a protection film, a protection shell, an extrusion cylinder, a mounting rack, a storage roller, a guide roller and a moving groove, the constraint frame is slidably sleeved at an opening of the outer wall of the sleeve shell, and the protection film is arranged in the protection shell. The protection shell is embedded in the inner wall of the sleeve shell, the inner wall of the protection shell is sleeved with the displayer body, and the extrusion air cylinders are fixedly arranged at the corners of the inner wall of the sleeve shell. Through the protection assembly, the protection film serving as a consumable can be continuously released and recycled, it is guaranteed that a picture generated by the displayer body with the high-light-transmitting function is continuously reflected by the protection film, the phenomenon that under strong sunlight irradiation, the high-light-transmitting displayer possibly has reflection and refraction phenomena is avoided, and the display effect is improved. Meanwhile, the display main body is protected, and the problem that the display main body is damaged due to collision or toppling is avoided.

The present invention discloses a sunshade movement mechanism, comprising: a base; a power mechanism capable of circumferential rotational motion; a transmission mechanism disposed on the base and connected to the power mechanism, capable of reciprocating in a linear direction under the drive of the power mechanism; and a sunshade rotatably disposed on the base, with a connecting rod of the sunshade connected to the transmission mechanism. When the power mechanism rotates circumferentially, the sunshade is driven by the transmission mechanism to move the sunshade, thereby causing the sunshade's light shield to open and close. The present invention can operate in the confined space inside a headlight, making the entire structure simple and compact. The dynamic opening and closing effect of the sunshade meets the personalized lighting needs of consumers. At the same time, the sunshade can effectively block external sunlight focus, preventing the headlight from failing after being exposed to sunlight for a long time, thereby protecting the headlight and increasing its service life.

The invention relates to the technical field of vehicles, in particular to an intelligent fresh air system, a vehicle, a control method and a storage medium. The system comprises an air conditioner fresh air assembly, a flexible solar panel arranged on a vehicle, a solar controller connected with the flexible solar panel and a storage battery, a collection assembly and an air conditioner controller connected with the collection assembly and the storage battery. The intelligent fresh air system is awakened, the flexible solar panel is controlled to charge the storage battery according to the state of the storage battery, the collecting assembly is used for collecting internal and external environment data of the vehicle, the air conditioner controller is used for controlling the air conditioner fresh air assembly to execute the target ventilation action according to the internal and external environment data, and the storage battery supplies power to the air conditioner fresh air assembly. Therefore, the problems that when the vehicle is static, energy consumption of the air conditioner is high, the temperature in the vehicle rises in summer, a common air conditioner cannot maintain the temperature in the vehicle in an energy-saving mode, and user experience is reduced are solved.

The utility model provides a multipurpose baby stroller, which belongs to the technical field of baby strollers and comprises seat frames and a fixing support arranged on the seat frames, support rods are mounted between the seat frames, and a first protective frame is mounted on the side wall of one end of each seat frame. According to the utility model, the elastic bracket arranged between the support frames deforms while supporting when a child leans up backwards, so that the child is in soft contact with the elastic bracket, the comfort of the child in use is improved, and the arranged folding mechanism can adjust the angle of the support frames according to requirements, so that a comfortable sitting posture angle is provided for the child; the child is shaded by shifting the sunshade nets on the first net rack and the second net rack when the sunlight is strong, the situation that the child is directly irradiated by the sunlight and feels uncomfortable is avoided, the comfort degree of the child is further improved, when the child needs to sleep, the whole cart is arranged to be in a flat-lying shape through the folding mechanism, and therefore the child can sleep conveniently. Children can lie flat to sleep conveniently, and the sleep quality is improved.

The utility model discloses landscaping irrigation equipment which comprises a bearing plate, and shutters are rotationally connected to the inner side wall of the bearing plate. Through cooperation of a bearing plate, shutters, a first spray head, a second spray head and a water storage tank, the bearing plate can bear rainwater, when the rainwater is accumulated, the rainwater can enter the water storage tank to be stored, when the shutters are opened, sunlight can irradiate green plants below the bearing plate, when the temperature is too high, the shutters can properly rotate to be close to the closed state, and therefore the high temperature of the green plants is relieved; the bearing rod can provide support for the bearing plate and auxiliary parts of the bearing plate, when the stamens of the green plants are not unfolded, the second spray head rotates to spray water mist, so that the whole green plants are stained with water drops to be cooled, when the stamens of the green plants are unfolded, the second spray head is closed, the first spray head starts to rotate to spray water mist, and the water drops are only stained on the green plants below flowers. Therefore, the problem that water drops directly enter the flowers, and then withering of the flowers is accelerated is solved.

The utility model relates to the technical field of seedling cultivation, and discloses a crop seedling cultivation rack which comprises a cultivation pipe, a set of installation blocks are fixed to the cultivation pipe at equal intervals, supporting mechanisms are arranged at the two ends of each installation block, cultivation brackets are installed at the top ends of the supporting mechanisms, and irrigation pipes are arranged on the surfaces of the cultivation brackets. A plurality of sprayers are distributed in the irrigation pipe at equal intervals, and a water tank is installed at the top end of the cultivation pipe. The cultivation bracket is supported through the supporting mechanism, in the cultivation process, the reverse threaded rod can be driven to move in the connecting piece by rotating the reverse threaded rotating cylinder according to the illumination requirement, then the cultivation bracket is jacked up to do lifting motion of the corresponding amplitude, the angle of the cultivation bracket can be flexibly changed, and the cultivation effect is improved. By means of the arrangement of the water tank and the irrigation pipe, the distribution effect of the irrigation pipe and the uniform spraying of the spray heads are matched, and it can be ensured that the nutrient solution evenly covers each seedling.

This invention relates to a bifacial photovoltaic (PV) power generation module and a PV power generation system. The bifacial PV power generation module includes a mounting frame, photovoltaic cells, a first reflective mirror, and a second reflective mirror. A first mounting plate and a second mounting plate are connected to form a V-shape. n rows of first photovoltaic cells are mounted on the first mounting plate to form a first photovoltaic cell group, and n-1 rows of second photovoltaic cells are mounted on the second mounting plate to form a second photovoltaic cell group. n-1 rows of first reflective mirrors are mounted on the first mounting plate, and n rows of second reflective mirrors are mounted on the second mounting plate. The first reflective mirrors face the second cell group, and the second reflective mirrors face the first cell group. This invention's bifacial PV power generation module increases the amount of sunlight received by the photovoltaic cells, fully utilizing the power generation characteristics of both reflected and direct sunlight from the bifacial cells. It can generate electricity throughout the sunshine period, thus achieving higher power output and allowing users to obtain a higher return on investment.

The utility model discloses a submerged plant planting bed for water body ecological restoration, and relates to the technical field of submerged plant planting beds, including a planting bed composed of coconut fiber mats and plastic mesh sheets, and a buoyancy component, wherein the buoyancy component includes a support unit and a limit unit, and a float adjustment component is arranged inside and outside the support unit. The utility model can make the submerged plants initially be in a shallow position of the polluted water body by arranging the buoyancy component and the float adjustment component, so as to be exposed to sunlight, so that the submerged plants can grow smoothly and efficiently. After a period of time, the polluted water body is initially restored and the submerged plants grow luxuriantly, and a water injection and exhaust operation can be performed once, so that the buoyancy of the return-shaped floating frame is further reduced, and the return-shaped floating frame and the planting bed are sunk a certain distance, so that the submerged plants can gradually adapt to the deep environment of the polluted water body, which is convenient for the good growth of the submerged plants.