348 results about "Leaf fall" patented technology

The invention discloses a differential chlorophyll fluorescence inversion method, system and device and a storage medium, and is applied to the field of vegetation remote sensing and physiological ecological monitoring, and the method comprises the steps: obtaining vegetation state monitoring data of a target region; on the basis of vegetation state monitoring data, asynchronous leaf-changing type evergreen arbors and synchronous deciduous type arbors are identified; carrying out SIF simulation on the asynchronous leaf-changing type evergreen arbors and the synchronous deciduous type arbors by adopting corresponding models respectively; according to the phenological phase function and the stress response function, generating correction factors corresponding to the asynchronous leaf-changing evergreen arbors and the synchronous deciduous arbors; the obtained initial SIF value is optimized through a corresponding correction factor; fusing the optimized SIF values to generate an SIF time sequence product; according to the method, differential model configuration and physical mechanism driven online correction are coupled, so that the problems of model mismatching and physiological mechanism deficiency in heterogeneous vegetation SIF inversion are solved, and an SIF time sequence product which is high in precision and clear in physiological and ecological significance is generated.

The invention discloses a method for improving soil fertility of an orchard in a Yellow River old lane area. The orchard is covered with green grass; after the fruits are harvested and before leaves fall, a first fertilization ditch is dug at a crown water drip, and smashed straw, base fertilizer and surface soil are sequentially laid in the first fertilization ditch from bottom to top; meanwhile, digging 3-4 radial second fertilization ditches according to a water drip from a trunk to a crown, sequentially laying dry branches and fallen leaves, wheat straws and livestock and poultry manure in the second fertilization ditches from bottom to top, and putting earthworms into surface straws of the second fertilization ditches; a humic acid-containing water-soluble fertilizer is applied in a drip irrigation manner during topdressing. Therefore, through the synergistic effect of multiple technical measures such as orchard grass covering, organic fertilizer layer application, earthworm density increasing and bio-fertilizer application increasing, a benign soil ecological system is constructed, and therefore the problems that the content of organic matter in orchard soil in the Yellow River old road area is low, and the water and fertilizer retention capacity is weak are effectively solved, the soil fertility is remarkably improved, and the yield of the orchard is increased. And the fruit yield and quality are improved.

The application discloses a strain of Mei Ji Maydomyces for delaying early leaf fall of pears and application thereof, and belongs to the technical field of microorganisms. The strain has a preservation number of CGMCC NO.31969 and a preservation date of September 13, 2024. The Mei Ji Maydomyces provided by the application is separated from the surface of healthy pear fruits, is harmless to human bodies, is high in safety, has strong bacteriostatic activity, and can effectively inhibit the growth of early leaf fall pathogenic bacteria of pear, such as Guibao anthracnose, Alternaria alternata and Neofusicoccum parvum. The application makes up for the deficiency of existing plant growth regulators and widens the application range of plant senescence delaying agents.

The invention relates to the technical field of power equipment cooling, and discloses a reactive power compensation device evaporative cooling system which comprises an SVG compensation cabinet, one side of the SVG compensation cabinet is provided with a cooling liquid discharge pipe and a cooling liquid access pipe, and the cooling liquid discharge pipe and the cooling liquid access pipe are both connected to a heat exchange mechanism. An automatic replacement mechanism is arranged in the heat exchange mechanism, and the heat exchange mechanism is connected to the cooling mechanism; according to the invention, the heat exchange mechanism is connected with the micro-pore plate of the IGBT module for heat exchange, meanwhile, the cooling mechanism is matched for evaporative cooling of cooling water for heat exchange, and the automatic replacement mechanism can complete the replacement process of the filtering tank under the condition of continuous work without shutdown, so that stable operation of power equipment is guaranteed; meshes of the air inlet plate are cleaned through the fan cover anti-blocking mechanism, so that the meshes are prevented from being blocked; and in the cleaning process, the circulating cleaning mechanism is matched to automatically remove impurities such as fallen leaves in the cooling mechanism, and the labor cost of system management is reduced.

The embodiment of the invention relates to the field of artificial intelligence, and provides a method and a system for automatically collecting fallen leaves and sediments in a swimming pool based on visual identification. The method comprises the steps of obtaining a tree distribution condition around a target swimming pool; dividing the target swimming pool into a plurality of swimming pool grid areas according to the swimming pool structure; predicting a fallen leaf distribution condition in a future preset time period through a fallen leaf distribution prediction model of a space-time diagram neural network in combination with the current weather condition and the tree distribution condition; acquiring multi-modal environment data and people flow state data around the target swimming pool, and predicting a sediment distribution condition in a future preset time period through the sediment prediction hybrid model; according to the fallen leaf distribution condition and the sediment distribution condition, an initial collection task of the target robot is generated for the space structure of the target swimming pool; the initial collection task is dynamically adjusted according to the monitoring image data in the surrounding water area, so that floating objects and sediments temporarily appearing in the surrounding water area are removed, and the cleaning coverage rate and the cleaning efficiency of the swimming pool are improved.

The application discloses a kind of green environmental protection tents, belong to tent technical field.Mainly include: two groups of slide rails;At least three groups of framework, which is installed between two groups of slide rails;Tarpaulin, which is installed on the framework;Striking mechanism, which is installed inside the framework, and the striking mechanism includes: base, which is installed inside the framework;Rotary shaft, which is installed at both ends of the base;Rotary arm, which is installed at one end of the rotary;Striking head, which is installed at the end of the rotary arm.A kind of green environmental protection tent of the application can shake the inside surface of tarpaulin by setting the striking mechanism, so as to achieve the effect of falling leaves sliding on the outside of tarpaulin.

The utility model relates to the technical field of deadwood and fallen leaf sampling, and discloses a sampling device for collecting forest deadwood and fallen leaf samples, which comprises a collecting cylinder and a placing filter plate, a filter component is arranged on the collecting cylinder, and a covering mechanism is arranged on the filter component; the filtering assembly comprises a lifting assembly and a mounting assembly, the lifting assembly comprises a long groove, a gear is fixedly connected to the surface of a rotating shaft, fixing plates are rotatably connected to the top of the rotating shaft, hinge plates are hinged to the inner sides of the left and right fixing plates, and the tops of the hinge plates are hinged to the inner sides of the connecting seats. According to the sampling device for collecting the forest dry branch and fallen leaf samples, a connecting base is lifted in a long groove, meanwhile, under the cooperation of a spring, small particles or crushed leaves mixed in dry branches and fallen leaves placed on a filter plate can be screened, the dry branches and fallen leaves can be conveniently sampled in the later period, an insertion plate is inserted into an insertion groove, and the insertion plate is inserted into the insertion groove; the mounting base and the fixing ring are fixed through the bolt in a threaded mode, and the fixing ring can be fixedly arranged at the top of the collecting barrel.

Conventional saponius-type wind turbines are large because the generator is connected to the lower part of the turbine's rotating shaft; the goal is to make them more compact. Furthermore, it prevents rainwater, snow, or fallen leaves from accumulating in various parts of the wind turbine. A small, lightweight wind turbine and wind power generation device that can generate stable torque and electromotive force even when wind direction and speed change rapidly, and can utilize wind from all directions, including horizontal, vertical, and oblique directions, to generate rotational torque. [Solution] A vertical-axis wind turbine comprising a bucket having a roughly hemispherical paddle section at the top and a semi-cylindrical bucket section at the body, arranged horizontally offset along the plane of a cylinder cut in half vertically, such that wind flowing into the concave side of one bucket flows into the concave side of the other bucket, and a wind power generation device equipped with a generator inside the bucket.

This product is a gutter cover material that is installed to cover the opening of a rain gutter and prevent debris such as fallen leaves from entering the gutter. As shown in "Reference Figure 1 showing usage," the convex side with holes should be facing outwards, and the product should be rolled up and installed to cover the opening of the rain gutter to prevent debris such as fallen leaves from entering the gutter. As shown in "Reference Figure 2 showing usage," the concave side with holes should be facing outwards, and the product should be rolled up and installed to cover the opening of the rain gutter to prevent debris such as fallen leaves from entering the gutter.

This utility model discloses a windproof and rainproof device for public seats, including two uprights, both of which are fixed to the back panel of the public seat via metal connectors. A top plate is welded to the top of each upright, and the top plate has a rectangular groove. A rainproof panel is hinged to the top plate, covering the rectangular groove. A driving structure is provided between the bottom surface of the rainproof panel and the top plate. A mesh fabric is movable on the top plate, and when unfolded, it covers the rectangular groove. The front and rear ends of the mesh fabric have movable strips that can move on the top plate and fixed strips that are fixed to the top plate, respectively. A linkage structure is provided between the movable strips and the rainproof panel. This utility model's rainproof canopy can be selectively covered or uncovered according to actual needs, allowing it to be flipped up and retracted when sunlight is needed. When the rainproof canopy is retracted, the mesh fabric is automatically extended, reducing sunlight obstruction while intercepting fallen leaves, insects, bird droppings, and other debris, thus improving the comfort of using the public seat.

This invention relates to a spraying device for defoliants on edible sunflowers and its usage method. The device includes a drone body with a liquid tank in the center. An annular plate is vertically movable along the outer wall of the drone body, and a windbreak plate is slidably connected to the side wall of the annular plate. A first spray pipe is fixedly mounted at the center of the bottom of the drone body. Second spray pipes are rotatably connected to both ends of the first spray pipe, and the other end of each second spray pipe is rotatably connected to vertical plates on both sides of the bottom of the drone body. The rotation of the second spray pipes is synchronized with the raising and lowering of the windbreak plate. Atomizing nozzles are fixedly mounted at the bottom of both the first and second spray pipes. This invention forms a vertical air curtain through the windbreak plate, providing a stable falling environment for the droplets and effectively preventing drift. The inclined spraying of the atomizing nozzles on both sides makes the liquid distribution more uniform and widens the effective coverage area, ensuring that the entire row of crops receives sufficient liquid from the center to the edge, eliminating missed spraying along the row edges, and improving the spraying effect.

This invention relates to an intelligent drainage device and method for preventing clogging in sewers and reusing rainwater, belonging to the technical field of drainage devices. The device addresses the problems of easy clogging in traditional drainage systems, waste of rainwater resources, and inconvenience in cleaning fallen leaves from flower beds, providing a solution. The technical solution encompasses a sewer system pre-buried underground, a drainage pipe connected to the sewer, a collection box, and a ground-level flower bed. The drainage pipe contains a filtration mechanism and a drive assembly, achieving dynamic filtration of rainwater through the reciprocating movement of a filter disc, effectively preventing clogging. The collection box collects and stores the filtered rainwater for use in flower bed spraying, achieving rainwater reuse. A cleaning mechanism is installed within the flower bed to automatically clean fallen leaves using the collected rainwater. Through a multi-stage filtration system, an intelligent leaf cleaning mechanism, and a rainwater reuse design, the device improves drainage efficiency, saves valuable water resources, and reduces maintenance costs, making it suitable for urban roads, parks, and other locations.

The utility model discloses a landscape garden dry branch and fallen leaf processing device, which relates to the technical field of landscape gardens, and comprises a shell, a cutting part, a plurality of branch and fallen leaves which are used for storing dry branches and fallen leaves which are cut off preliminarily, a feeding hole used for feeding materials into the shell, a baffle used for limiting the feeding length and a plurality of branch and fallen leaves which are arranged between the feeding hole and the baffle, the cutter is located in the cutting-off interval, can slide in the length or width direction of the cutting-off interval and comprises a rotating plate capable of pressing the dry branches and fallen leaves to rotate around the side edge of the feeding port and a cutter matched with the side edge of the feeding port to cut the dry branches and fallen leaves, and a telescopic rod is fixed to the outer side wall of the shell. The limiting structure is arranged to be matched with the cutting assembly, so that the feeding length of the dry branches and fallen leaves is controlled, through combination of pushing of the rotating plate and matched cutting of the cutter, the dry branches different in thickness and high in toughness can be stably cut off, the cutting efficiency is improved, and the clamping stagnation problem caused by direct cutting difficulty of the cutter is avoided.

1. Name of the designed product: leaf blower. 2. Use of the designed product: for processing fallen leaves, dust, garbage, etc. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: design 3 perspective view. 5. Design 3 is designated as the basic design.

1. Name of the designed product: hair dryer. 2. Use of the designed product: for blowing, for example, for blowing dryness of the surface of an object, for blowing dust, fallen leaves or accumulated snow. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances needing to be explained: the various views of design 2 variation state 1 show that the air duct of the hair dryer is pivoted upward at a first angle relative to the handle, the various views of design 2 variation state 2 show that the air duct of the hair dryer is pivoted upward at a second angle larger than the first angle relative to the handle, and the various views of design 2 variation state 3 show that the handle of the hair dryer is pivoted downward relative to the handpiece.

The utility model relates to the technical field of blowers, in particular to a sundries blower for cleaning fallen leaves on lawns, which comprises an air cavity plate body, an air inlet, an air outlet and an air outlet. An air supply adjusting mechanism is arranged at the position of the air outlet; the air supply adjusting mechanism comprises a vertical plate fixedly installed in the air outlet, and a horizontal plate movably installed on the vertical plate. The two horizontal plates are each provided with a fixing plate, the two fixing plates are movably connected through a connecting plate, the fixing plate located on the top is provided with an arc-shaped groove, and the arc-shaped groove is connected with the bending plate through an adjusting bolt. The lawn blower solves the problems that a lawn blower is complex in structure, loud in noise and small in wind power, and meanwhile a rigid roller does not protect a lawn and cannot adjust the air supply angle when rolling.

The Invention is a steerable, mobile wheeled cart made to hold, support and protect a standard 40.6 cmW×30.5 cmD×89 cmH paper yard waste bag or similar while allowing leaves and debris vacuumed and discharged from a portable leaf blower / vacuum, while in vacuum mode, to pass through a hose and then deposit directly inside of the standard 40.6 cmW×30.5 cmD×89 cmH paper yard waste bag.

The invention relates to a composition comprising sulfur and a 2n d active ingredient (ai), wherein the 2nd ai is a herbicide selected from a classical herbicide, a fatty acid, an oil or a terpenic compound, in a ratio 5000:1 – 1:2000 (w / w; sulfur: 2nd ai). The invention further relates to a method for controlling weed growth, comprising providing sulfur and said 2nd active ingredient (ai). The invention further relates to a method for accelerating the desiccation, death, and / or defoliation of leaf. The invention further relates to a method for controlling, preventing and / or eliminating the presence of a sucker or runner. The invention further provides a use of sulfur for enhancing the activity of a 2nd ai against a weed.

The invention relates to the field of agriculture and seed industry, in particular to a kiwi fruit cultivation method based on traditional Chinese medicine fertilizer, and aims to solve the problems of unreasonable fertilization, partial chemical fertilizer application, different fruit quality and low storability in the kiwi fruit industry. The method comprises three key steps of foliar topdressing, soil topdressing and base fertilizer application, a series of traditional Chinese medicine fertilizers, fish protein active peptide organic fertilizers, plant immune proteins and other fertilizers are selected, and the types and the dosage of the fertilizers are accurately controlled according to the fertilization types and the growth stage of the kiwi fruits. Foliar topdressing is performed from a full-bloom stage to a fruit expansion stage, soil topdressing is applied twice in the fruit expansion stage, and base fertilizer is applied after fruit picking and before leaf falling. By implementing the method, the yield, the fruit quality and the storability of the kiwi fruits can be remarkably improved, meanwhile, the physical and chemical properties of soil are improved, the use of chemical fertilizers is reduced, the stress resistance of fruit trees is improved, and powerful support is provided for high-quality efficient cultivation of the kiwi fruits and application of traditional Chinese medicine agricultural technologies.

The utility model relates to the technical field of crop recovery, in particular to a red date picking and sorting all-in-one machine which comprises a main body, and a recovery assembly is arranged in the main body. According to the red date picking and sorting all-in-one machine, firstly, the harrow handle can find out red dates from the lower portion of fallen leaves through the combination of the fixing plate, the connecting rod, the ball and the fixing rod, the ball is movably connected to the fixing rod so that the harrow handle can adapt to different environments and terrains, when the ground is uneven, the harrow handle can be automatically adjusted through the ball, and meanwhile the harrow handle can be conveniently moved. Through the design of an air blowing opening, red dates can be further sorted, impurities which do not meet the requirements or are blown away, a red date collecting pipe sucks the red dates into a pipeline from the ground through suction force, and in the period, a cleaning plate can sweep off branches or other impurities blocking the surface of a filter plate through a sliding groove and a sliding rod; by means of the structure, the situation that branches, leaves and impurities are sucked into the red date collecting pipe by mistake is effectively reduced, and the situation that the red date collecting pipe is blocked is effectively avoided.

1. Name of the product in this design: Dust removal blower. 2. Purpose of this design: It can be used for dust removal during car washing, and can also be used as a tool for blowing away road debris, snow, and fallen leaves. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design points: Combined state diagram 1.

This utility model provides a roof drain filter structure, relating to the field of building roof waterproofing and drainage technology. It includes a roof body with an opening at its top. A drain pipe is installed within the opening, and a connecting plate is fixed to the outer wall of the top of the drain pipe. The connecting plate is installed with the roof body. A first filter frame is located outside the drain pipe within the opening, and the first filter frame has multiple first filter holes. The first and second filter frames are made of steel reinforcement and are processed into circular filter covers with filter holes of 6-8mm, depending on the local leaf type. These are then placed over the existing drain pipe. Because the two filter frames have different sizes of first and second filter holes, they can simultaneously block fallen leaves and dirt in layers, avoiding the clogging issues common with traditional filter covers where all leaves and dirt are blocked by a single layer. This design significantly enhances practicality.

The invention relates to the field of bridge construction, and discloses a modular bridge expansion joint installation structure which comprises installation plates installed at the ends of modular bridges correspondingly, the two installation plates are oppositely arranged, an expansion joint is reserved between the two installation plates, and when the adjacent modular bridges expand with heat and contract with cold, the expansion joint is installed on the installation plates. The length of the modular bridge is changed, and the modular bridge stretches out and draws back in the expansion joint; the same elastic telescopic plate is mounted at the tops of the two mounting plates, and the elastic telescopic plate is located above the expansion joint, the elastic telescopic plates are mounted at the tops of the two mounting plates correspondingly, when adjacent modular bridges expand with heat and contract with cold, the elastic telescopic plates can be moved in the opposite directions, and the elastic telescopic plates can move in the opposite directions; the expansion joint can be greatly covered through the two elastic expansion plates, dry branches and fallen leaves or particulate matter can be effectively prevented from falling into the expansion joint, the phenomenon that parts in the expansion joint are damaged is reduced, and the service life is prolonged.

The invention discloses a green roof device integrated with a rainwater recycling function, and relates to the field of roof water collection, the green roof device comprises a roof, a water collection tank is fixed to one side of the roof, a plurality of water collection pipes are fixed to the bottom of the water collection tank, a fallen leaf baffle is fixed to the top of the roof, and a water permeable plate is fixed to the side, close to the water collection tank, of the fallen leaf baffle; the water permeable plate is located between the roof and the fallen leaf baffle, a water tank cleaning mechanism is arranged in the water collecting tank, and an auxiliary cleaning mechanism is arranged on the fallen leaf baffle. Wind power generated in strong wind weather drives the water tank cleaning mechanism, the water tank cleaning mechanism moves in the water collecting tank, the water tank cleaning mechanism drives the auxiliary cleaning mechanism, and the auxiliary cleaning mechanism enables fallen leaves on the fallen leaf baffle to move towards the water collecting tank, so that the continuity and the water quality of rainwater collection are remarkably improved; the blocking risk and the manual maintenance cost of long-term operation of the system are reduced, and the practicability and the reliability of the device are enhanced.

The invention discloses a pine moth control method for pinus sylvestris, and belongs to the technical field of pine moth control, and the specific control method comprises the following steps: (1) overwintering generation control: turning a dry branch and fallen leaf layer around a trunk to expose underground overwintering pine moths, and reducing the number of overwintering generation pine moths; (2) prevention and control in a tree stage: killing tree larvae by using a pine moth prevention and control agent; (3) adult prevention and treatment: trapping the adult pine moths with black light to reduce the breeding amount and reduce the number of insects in the next year; (4) prevention and control in a tree leaving stage: killing overwintering pine caterpillars in the tree by using a pine caterpillars prevention and control agent; biological and physical combined prevention and control are utilized for relieving pinus sylvestris insect pests, and the problems that beauveria bassiana is prone to being affected by the environment and the action effect is unstable when preventing and controlling the pinus sylvestris are solved.

The application belongs to the technical field of fallen leaf recycling device, and particularly relates to an environment-friendly garden fallen leaf recycling and processing device, which comprises an automatic leaf suction vehicle, wherein the automatic leaf suction vehicle comprises a vehicle body, a leaf suction body and a recycling bin which are installed on the vehicle body; a moving wheel is arranged on the vehicle body; an intelligent control system is arranged in the leaf suction body and used for controlling the operation of each component of the device; driving equipment connected with the cleaning roller at the opening part of the suction nozzle is started to drive the cleaning roller to rotate, the rotating cleaning roller drives the cleaning strips arranged uniformly on the surface to rotate, the end of the cleaning strip is in contact with the fallen leaves on the road surface, and the cleaning strips play a role of sweeping the fallen leaves, so that the fallen leaves are sucked into the suction nozzle under the action of the air suction generated at the opening of the suction nozzle, the fallen leaves on the road surface are cleaned more completely, the fallen leaves are prepared into green manure, the resource utilization efficiency is improved, the carbon emission caused by random burning treatment is reduced, and the development direction of urban environmental protection is more in line with.