26 results about "Street tree" patented technology

The invention discloses a method and a system for rapidly and continuously detecting missing border trees based on dynamic edge calculation. The method comprises the following steps: acquiring an image, a GPS coordinate and a timestamp, and constructing a spatio-temporal trajectory; preprocessing the image, identifying and classifying vegetation, municipal facilities and moving shelter targets, and outputting feature information and confidence score to obtain an image identification result; based on an image recognition result, screening a street tree close to the lane line and predicting a corresponding position, constructing a motion track through continuous multi-frame data association, and performing calibration in a coordinate system to generate a predicted attention area to form a street tree position prediction result; and judging and classifying the plant missing condition in the green belt according to the street tree position prediction result, and generating related event information. By implementing the method provided by the invention, the limitation of the prior art can be overcome, more efficient and accurate technical support can be provided for daily maintenance of urban greening, and the quality and efficiency of urban management can be improved.

The invention discloses a tree safety risk assessment method, system and device based on a key index priority mechanism, and a storage medium. The method comprises the following steps: constructing an inference model according to a fault tree model of a street tree and a fuzzy Bayesian network; based on the inference model, through reverse inference, sensitivity analysis and most approximate cause chain analysis, screening out a key index set and a conventional index set from a preset risk candidate index set; and based on a hierarchical risk assessment principle, respectively assessing the key index set and the conventional index set to obtain an assessment result. According to the inference model, key factors having significant contributions to the overall risk of the border tree are identified from a large number of risk indexes; a conjoint analysis method of reverse reasoning, sensitivity analysis and most approximate cause chain analysis is adopted, so that false alarm and missing alarm are effectively reduced; according to the hierarchical risk assessment principle, key factors are assessed preferentially, it is ensured that the street tree with structural fatal defects can be recognized and controlled in time, and the reliability and timeliness of assessment are improved.

The invention discloses a rejuvenation method for poor growth vigor of border trees in a hardened earth surface environment. The rejuvenation method comprises the steps that original soil with the thickness of 15-20 cm in a border tree pool is removed; 4-8 holes are vertically and evenly drilled in the tree pool with the tree trunk as the center, and vertical blind pipes are arranged in the holes; 2-6 slow-release rod fertilizers are uniformly implanted into the tree pool; a permeable layer with the thickness of 15-20 cm is laid on the surface of soil in the tree pool; communicating blind ditches a are formed between the adjacent border trees, and blind pipes a are laid in the communicating blind ditches; communicating blind ditches b are arranged along the communicating blind ditches a every 30-50 m, one ends of the communicating blind ditches b are connected with the communicating blind ditches a, the other ends of the communicating blind ditches b lead to a municipal drainage well, and blind pipes b are laid in the communicating blind ditches b; and rejuvenation liquid is added into the vertical blind pipes in the tree pool. The invention provides a three-in-one rejuvenation system of three-dimensional ventilation, targeted oxygen supply and longitudinal communication, and the growth vigor of the border trees is greatly improved.

1. The name of the design product: tree hole sieve (ripple). 2. The use of the design product: the design product is used for protecting the tree hole of street trees. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to the technical field of urban landscaping, and discloses a street tree crown coverage benefit evaluation and optimization method, which comprises the following steps: S1, collecting multi-source data of street trees in a target area; s2, performing fusion processing on the multi-source data, extracting feature parameters for evaluation, inputting the feature parameters into a pre-trained crown benefit evaluation model, and outputting a comprehensive benefit score of crown coverage by the model; wherein the crown benefit evaluation model is a machine learning model obtained by training sample data with expert score labels; and S3, based on the comprehensive benefit score and a benefit restriction factor identified through model interpretive analysis, matching and generating a targeted crown optimization scheme from a pre-constructed optimization strategy knowledge base. According to the method, the street tree crown coverage benefit evaluation and optimization of the complex urban environment can be systematically completed, the evaluation accuracy is relatively high, and the method has dynamics and operability.

The application discloses a street tree missing plant rapid continuous detection method and system based on dynamic edge calculation. The method comprises the following steps: acquiring images, GPS coordinates and time stamps, and constructing a space-time trajectory; pre-processing the images, identifying and classifying vegetation, municipal facilities and moving shelter targets, and outputting feature information and confidence score to obtain image recognition results; based on the image recognition results, filtering street trees close to lane lines and predicting corresponding positions, constructing motion trajectories through continuous multi-frame data association, calibrating in a coordinate system to generate a predicted attention area, and forming a street tree position prediction result; and comprehensively judging and classifying the missing plant situation in the green belt based on the street tree position prediction result, and generating relevant event information. Through the implementation of the method, the limitations of the prior art can be overcome, more efficient and accurate technical support can be provided for the daily maintenance of urban greening, and the quality and efficiency of urban management can be improved.

The utility model relates to the field of road tree maintenance, in particular to a street tree water supplementing device. Comprising a water supplementing bag, a buckle son piece and a buckle mother piece, a water storage cavity used for storing water is formed in the water supplementing bag, a water adding pipe is arranged on the upper portion of the water supplementing bag, and a plurality of water dripping holes formed in the left-right direction at intervals are formed in the lower portion of the water supplementing bag; a row of vertically-arranged mounting holes are formed in the right side of the water supplementing bag, and the multiple buckle sub-pieces are fixedly installed on the left side of the water supplementing bag in a vertically-arranged mode. The water supplementing bag can be bent into a ring shape or an arc shape so as to wrap the trunk of the tree, and the buckle son piece can be inserted into the installation hole and connected with the buckle mother piece in a clamped mode. According to the street tree water supplementing device, watering is more uniform, and the applicability is wider.

The invention discloses a method, a system, a medium and equipment for evaluating cooling and pollution control of street trees of urban street canyons, and the method comprises the steps: constructing a plurality of typical street canyon tree planting models according to meteorological data, street canyon morphological parameters, street tree morphological parameters and road traffic flow data through ENVI-met microclimate simulation software, and carrying out the numerical simulation one by one; performing data processing on the numerical simulation results of the typical street canyon tree planting models, and calculating indexes representing cooling and pollution control hour by hour according to the data processing results; performing normalization according to hourly calculation indexes to obtain a corresponding average value of each index in an evaluation period, and constructing a cooling and pollution control comprehensive evaluation index corresponding to different tree form configurations through an equal weight method. Based on the data processing flow, the comprehensive influence of different forms of street tree planting schemes on street canyon pedestrian area cooling and pollution control is quantitatively evaluated, and an accurate basis is provided for street tree type selection and pruning oriented to street canyon thermal environment and air quality improvement.

The application relates to a kind of city street tree three-dimensional form parameter calculation method and device based on street view image, wherein, method includes: robust visual features are extracted from street view image using depth estimation base model and visual feature extraction network layer;Robust depth features are obtained from street view image with the aid of depth estimation base model and depth feature extraction network layer, without fixed priori and artificial explanation, the accuracy of three-dimensional form calculation is improved;A three-dimensional form regression model is constructed, the interaction of visual and depth information is realized through attention layer, and tree mask regression and distance regression auxiliary tasks are introduced, focusing on the visual shape and spatial position of tree, to obtain the estimation result of the form parameter of tree. Thus, by constructing an end-to-end deep learning network model, the three-dimensional form parameters of street trees can be directly predicted when given street view images, greatly improving the prediction accuracy of the model and meeting the needs of rapid monitoring and management.

This application discloses a method, apparatus, device, and medium for identifying street tree species in street view images, relating to the field of image recognition technology. The method includes: acquiring a street view dataset of the study area; acquiring a dataset of individual tree species; training a YOLO supervised model using the individual tree species dataset; adding a global domain adaptive module and an enhanced pseudo-label adapter to a semi-supervised object detection framework to obtain a semi-supervised domain adaptation framework; inputting the street view dataset, the individual tree species dataset, and the trained YOLO supervised model into the semi-supervised domain adaptation framework for training to obtain a tree species identification model; and using the tree species identification model to identify street tree species. This application utilizes a street view dataset and a dataset of labeled individual tree species for training, which reduces the cost of dataset labeling; it uses a global domain adaptive module to align features and an enhanced pseudo-label adapter to optimize pseudo-labels, which improves the training effect of the model and thus improves the accuracy of tree species identification in street view images.

The breathable paving structure comprises a planting pit foundation, longitudinal breathable pipes are arranged in the planting pit foundation, openings are formed in the tops of the longitudinal breathable pipes and the tops of transverse breathable pipes, intercepting nets are fixedly connected to the inner walls of the openings, and the tops of the intercepting nets and the tops of water permeable bricks are located on the same horizontal line. One end of the longitudinal ventilation pipe is connected with a transverse ventilation pipe, ventilation holes are formed in the inner sides of the longitudinal ventilation pipe and the transverse ventilation pipe, supporting frames are fixedly connected to the inner walls of the longitudinal ventilation pipe and the transverse ventilation pipe, the section view of the longitudinal ventilation pipe and the transverse ventilation pipe is of a U-shaped structure, and the inner sides of the longitudinal ventilation pipe and the transverse ventilation pipe are filled with an original soil layer; an isolation layer, a breathable layer, a water storage layer, a filter layer and water permeable bricks are arranged on the top of the original soil layer. The device can ensure the air permeability of the border trees in the planting process, so that the growth efficiency of the border trees is improved, and the border trees grow more strongly.

According to the intelligent assembly type municipal tree-embracing lamp and the using method, solar lamp boxes used for generating energy and storing energy through sunlight are arranged, a mounting assembly made of an elastic telescopic belt is arranged, and the multiple solar lamp boxes are connected to form a ring to embrace a tree trunk; then multiple functional accessories and basic lamp assemblies are prefabricated for selection, and the lamp assemblies or the functional accessories are electrically connected with the power connection parts of the solar lamp box in a matched mode for use according to the installation and use requirements; according to the tree-embracing lamp, assemblies and functional parts are prefabricated according to requirements for combined use, when the tree-embracing lamp is researched, developed and designed, the tree-embracing lamp can be flexibly combined according to use requirements, and the tree-embracing lamp is not limited to illumination of street trees and road surfaces and is used for heat preservation, insect expelling and other assembly applications based on functional accessories; and the requirements of illumination expansion, maintenance, attractiveness and the like of urban landscaping trees are met.

A force test device for fixing secondary branches in a wind tunnel and adjusting the angle, relates to the wind resistance research of street trees. It comprises a force measuring component, a branch fixing component, a sleeve fixing component and a base component. The force measuring component comprises six force gauges and protective shells for protecting the force gauges. The branch fixing component comprises a sleeve, an arc-shaped ring and corresponding sleeve adjusting screws. The sleeve fixing component comprises a large cylinder with a scale disc and a pointer, four friction blocks on the side and a base at the lower part with friction blocks. The base component comprises a base with considerable mass and volume, and a rotating disc on the base. The device has simple structure and is convenient to use, can be repeatedly used for many times, can meet the requirement of fixing secondary branches of different sizes in the wind tunnel experiment, and can adjust the wind attack angle and the wind inclination angle to obtain the wind tunnel test data of secondary branches under different growth directions and different incoming flow directions.

The application relates to a sidewalk tree screening method based on a forest ecological index, a regional environment model is established by using a DEM technology, tree body data of different types of sidewalk trees are measured and recorded, a plurality of tree body data sub-models are established, and simulation calculation is sequentially performed on the tree body data sub-models, a simulation result is analyzed by using a stepwise multiple linear regression, a regional environment model and a sidewalk tree type model are fused, a simulation model is established, the regional environment model is trained by using the tree body data sub-models, simulation model characteristics are obtained, a heat balance coefficient of the simulation model and a tree species growth characteristic value are calculated, a trend curve is estimated, the simulation model trend curve is compared with a reference target model trend curve, and high-quality plants suitable for the target region are determined. When the simulation model is constructed, the heat balance coefficient in the target region range and the growth characteristic value trend of the plants in the target region are considered, so that more stable and longer forest ecological effects can be achieved in the target region.

The application discloses a sidewalk beneficial to growth of street trees, which comprises side ground bases, a road ground base, a sidewalk, a planting soil layer, a sidewalk ground base, a main beam, an auxiliary beam, a steel bar net, a first side stone, a second side stone, a third side stone, a water-permeable pavement, a tree pool and street trees, and the sidewalk is arranged between the side ground bases and the road ground base.

This invention discloses a method for optimizing the allocation of urban street green space resources based on lidar, relating to the field of urban planning and management. The method includes: acquiring lidar point cloud data of a target urban street area, preprocessing and classifying it, and extracting vegetation point clouds representing street trees; calculating shape parameters reflecting the external characteristics of street trees, and quantity parameters reflecting the volume and visual greenness of the green space; constructing a comprehensive greening index reflecting the combined relationship between the shape and quantity parameters, and determining key thresholds for matching the shape and quantity parameters through a piecewise linear regression model; and based on the key thresholds, classifying each street within the target urban street area into different types, generating corresponding green space resource optimization allocation strategies. This method achieves collaborative analysis of the shape and quantity indicators of urban street greening, and, based on objective thresholds, classifies them to generate differentiated and human-centered green space resource optimization allocation strategies.

The utility model relates to the technical field of tree maintenance, in particular to a tree root inducing and fixing device which comprises a guide pipe assembly, an inner layer frame with a first cavity, a connecting layer frame with a second cavity and an outer layer frame with a third cavity. The outer-layer frame is connected with the inner-layer frame through the connecting-layer frame, the outer-layer frame is communicated with the inner-layer frame through the connecting-layer frame, a plurality of first through holes are formed in the inner-layer frame, a plurality of second through holes are formed in the outer-layer frame, the guide pipe assembly comprises a plurality of guide pipes, and the guide pipes are arranged at the top of the inner-layer frame and communicated with the first cavity. The utility model is suitable for scenes with limited underground space, and can better meet the growth and maintenance requirements of border trees.

The invention relates to the technical field of tree wind resistance, and discloses a multi-stage buffer type urban street tree group wind-resistant reinforcing device and a using method.The multi-stage buffer type urban street tree group wind-resistant reinforcing device comprises a fixing plate, the inner wall of the fixing plate is slidably connected with a first sliding plate, and the upper surface of the first sliding plate is fixedly connected with a first fixing block; a universal ball is rotatably connected to the inner wall of the first fixing block, a first transmission rod is fixedly connected to the outer wall of the universal ball, a damping rod is fixedly connected to the outer wall of the first transmission rod, a second transmission rod is fixedly connected to the outer wall of the damping rod, and a first limiting block is rotatably connected to the outer wall of the second transmission rod. A universal ball is driven by a first transmission rod to slide on the inner wall of a first fixing block, so that a first sliding plate is driven to stably move along a fixing plate and a limiting column and is linked with a second buffer to generate an elastic effect, the buffering protection effect on the tree is further improved, and damage to the tree caused by external force impact is relieved; and the operation stability and the stress adaptability of the buffer structure are enhanced.

The invention discloses a bionic elastic anchoring device for border trees. The bionic elastic anchoring device is composed of a central controller and at least three anchoring units. The anchoring units are asymmetrically arranged in a bionic radial mode with the trunk as the center. Each anchoring unit is composed of a ground anchor assembly, an elastic inhaul cable assembly with one end connected with the ground anchor assembly and a trunk connecting assembly connected with the trunk and the other end of the elastic inhaul cable assembly. According to the multi-angle and asymmetric anchoring design, according to the local prevailing wind direction, more dense anchor points or anchor points with higher tensile force are arranged on the windward side, the bionic elastic anchoring device based on the shape simulates the plate root effect, the anchor points are arranged on the natural foundation of a tree, namely the edge of a root system net, and the tree is connected with the ground in an elastic mode; therefore, the working mechanism of a natural root system is simulated and assisted to the greatest extent to jointly resist typhoons.

The invention discloses a farmland border tree identification method and device, equipment, a medium and a product, and the method comprises the steps: carrying out the preprocessing of the land change survey vector data of a target region for several years, and obtaining a cultivated land pattern spot set and a forest garden pattern spot set; performing spatial proximity analysis, morphological feature filtering and score assignment on the cultivated land pattern spot set and the forest garden pattern spot set to obtain a morphological feature score of each adjacent pattern spot; performing trend fitting degree screening and score assignment on the filtered adjacent pattern spot set according to the cultivated land pattern spot set to obtain a trend fitting degree score of a target pattern spot parallel to the cultivated land boundary; and according to the scores of the two, performing farmland border tree judgment on the target pattern spot by adopting a weighted scoring comprehensive decision model, and determining a farmland border tree distribution result of the target area. On the premise of not depending on a high-cost and high-resolution remote sensing image and a complex AI model, existing vector data are fully utilized, and farmland street tree space distribution information is recognized through an accurate quantification rule and a coupling model.

The utility model discloses a street tree supporting device for municipal landscaping, which comprises a concrete prefabricated part matched with the outer edge of a street tree planting pit, and the concrete prefabricated part is hinged with at least three stainless steel inclined struts distributed around the street tree planting pit. The top of each stainless steel inclined strut is hinged to a stainless steel arc-shaped plate used for forming an annular hoop in a surrounding mode, each stainless steel arc-shaped plate is in threaded connection with a stainless steel bolt, and the end, facing the border tree, of each stainless steel bolt is connected with an arc-shaped resin plate through an elastic piece. The stainless steel inclined struts are connected with first flowerpot supporting plates used for placing greening flowerpots. According to the technical scheme, the stainless steel bolts are regularly adjusted, permanent supporting can be carried out along with the growth of border trees, planting of border trees with different diameters can be achieved, meanwhile, the stainless steel inclined struts and the stainless steel arc-shaped plates can be integrated with municipal landscaping through the first flowerpot supporting plate and the second flowerpot supporting plate, and the municipal landscaping effect is improved. The municipal garden is further beautified.

The invention discloses an intelligent maintenance spraying device suitable for urban street trees, and relates to the technical field of street tree maintenance, the intelligent maintenance spraying device comprises a position finding assembly connected with a mobile vehicle body, and the mobile end of the position finding assembly is connected with a vertical beam; a top spraying assembly of a semicircular structure is horizontally and rotationally connected to the vertical beam, the top spraying assembly communicates with a bottom spraying assembly of a semicircular structure through a liquid guide pipe, the top spraying assembly is further connected with a middle spraying assembly of a semicircular structure through a lifting assembly, and the middle spraying assembly is connected with an external liquid injection pipe; a driving assembly is arranged on the vertical beam and connected with the bottom spraying assembly to drive the driving assembly, the bottom spraying assembly and the driving assembly to horizontally rotate along the trunk. The device can adapt to street trees of different specifications, three-layer synchronous spraying of tree crowns, trunks and tree roots is achieved, the whole area can be covered without dead corners, and the maintenance efficiency and quality are greatly improved.

An irrigation capsule includes a capsule body made of rubber. A balloon is located within the capsule that compresses and expands depending on the fluid level within the capsule body. An air coil valve is located at the bottom of the capsule body and is connected to the ballon allowing the ballon to be filled with air. A capsule nozzle is located at the top of the capsule body and is used to refill the capsule body with fluid and adjust drip rate. A control lever is in communication with the capsule nozzle allowing for adjustment of drip rate from the capsule nozzle. The control lever has a reel that when rotated in a first direction compresses the capsule nozzle slowing the drip rate and when rotated in a second direction allows the capsule nozzle to expand increasing the drip rate.

This application provides a method for planting street trees to expand their root system range, comprising the following steps: excavating a planting strip for street trees along the roadside; marking out and determining the planting area and permeable support area for each street tree; laying support modules at the bottom of the planting strip, with the support modules located within the permeable support area; applying base fertilizer to the bottom of the planting area and covering it with a thin layer of soil; placing the tree within the planting area; pre-burying tensioning components at the four corners of the tree's root ball; laying root-blocking boards on both sides of the planting strip parallel to the road and on the top side of the support modules; preparing special planting soil and backfilling it into the planting area and the permeable support area; laying permeable paving above the support modules; installing tree pit covers above the root balls and connecting the tree pit covers to the tensioning components. This application can improve the problems of limited root growth space for street trees, insufficient root distribution range, root damage to roads and pipelines, and poor permeability and aeration of root soil due to long-term pressure.