93 results about "Building inspection" patented technology

The invention discloses a building precast beam section surface flatness detection method, and belongs to the technical field of building detection. Comprising the following steps: step 1, acquiring three-dimensional point cloud data of an original surface; 2, preprocessing the original point cloud data to obtain a purified point cloud data set; 3, constructing a bicubic parameter curved surface fitting model on the purification point cloud data set, introducing a curved surface curvature calculation formula, and establishing a beam section surface theoretical flatness model; step 4, iteratively extracting sample points from the point cloud data to fit a local plane, calculating distance distribution from all the point cloud data to the local plane, performing comparative analysis on the distance distribution and a theoretical flatness model, and comprehensively obtaining a flatness score of the surface of the beam section; 5, early warning is carried out on the area where defects possibly exist, and a defect thermodynamic diagram is output; and step 6, establishing a flatness evaluation system, determining a quantitative judgment standard of qualification or not, and dividing the precast beam sections into qualified products and unqualified products.

The invention discloses an intelligent heuristic algorithm generation method for unmanned aerial vehicle routing inspection path planning, belongs to the technical field of unmanned aerial vehicle autonomous navigation and intelligent optimization, and aims to plan a routing inspection path with the total cost as low as possible on a building routing inspection three-dimensional point set for an unmanned aerial vehicle. Aiming at the problems of high path planning complexity and low efficiency of artificial design of a heuristic algorithm in a building coverage inspection task, the method comprises the following steps: firstly, constructing a constraint model of an unmanned aerial vehicle inspection scene, and converting multi-objective optimization requirements such as building coverage rate, total detection time and flight path length into a heuristic algorithm design problem; compared with a traditional manual design method, the method enables the heuristic algorithm to reach or exceed the design level of field experts on indexes such as building coverage integrity, path length and calculation efficiency, and provides an efficient path planning solution for intelligent inspection of the unmanned aerial vehicle.

The invention provides an unmanned aerial vehicle building intelligent inspection method and system, and relates to the technical field of image processing and computer vision, and the method comprises the step of autonomously planning an inspection path through reinforcement learning based on a BIM model, environmental data and a historical defect thermodynamic diagram. A multi-source sensor is used for collecting data, and local dense point cloud is constructed through space-time registration. A tight coupling graph SLAM is adopted to fuse BIM priori constraints, and a global dense point cloud is generated. A fine-grained three-dimensional grid is obtained through hierarchical Transform, and defect segmentation and classification are realized by using a multi-scale HRNet network. And finally, the defect information is mapped to a BIM model, a semantic enhanced BIM is generated, and accurate data support is provided for building operation and maintenance.

The invention discloses an unmanned aerial vehicle building inspection route adjustment method and system based on wind field constraint and a storage medium, and the method comprises the steps: carrying out the simulation calculation of a three-dimensional wind field distribution result of an outer contour model according to the outer contour model of a to-be-detected building and the meteorological data of the geographic position of the to-be-detected building; determining external wind field wind speed data of the to-be-detected building so as to obtain coordinate points of which the wind speed is greater than the maximum wind resistance speed of the unmanned aerial vehicle in the external wind speed data; determining a limited flight area with the wind speed greater than the maximum wind-resistant speed of the unmanned aerial vehicle in the three-dimensional wind field distribution result according to the coordinate points; obtaining a target waypoint falling in the limited flight area in an initial inspection route generated by the unmanned aerial vehicle for the outer contour model; and adjusting and updating the target waypoint according to the limited flight area to obtain a target inspection route. A limited flight area is generated through wind field simulation and wind resistance threshold constraint, and the waypoint position of the limited flight area is adjusted, so that the cruising stability and safety are improved.

The invention provides an intelligent building inspection method and system based on digital twinning, and relates to the technical field of intelligent inspection, and the method comprises the steps: dividing a whole building region into a plurality of sub-regions, setting an environment monitoring point position and an equipment monitoring point position in each sub-region, and collecting multi-source data; constructing an integrated digital model according to the basic data of the whole building and equipment, performing time calibration on the multi-source data, and importing the multi-source data into the integrated digital model; constructing a multi-source data prediction model, outputting a corresponding real-time data threshold interval, and further generating an abnormal alarm or performing equipment operation trend analysis; acquiring a plurality of groups of abnormal operation trend feature sets of historical normal acquisition periods, performing equipment operation trend analysis on the sub-regions, and then executing intelligent decision support operation or marking the sub-regions as abnormal risk regions; and according to the multiple groups of time data corresponding to all the sub-regions and based on a machine learning model, obtaining an equipment inspection scheme of the corresponding sub-region.

This invention provides a method and system for inspecting wall decoration, relating to the field of building inspection technology. The method includes acquiring wall decoration data using a laser level and camera equipment, the data including height, level, and image information; sending the data to a wall flatness model for flatness calculation to obtain flatness error data; performing edge calculation based on the flatness error data and decoration data to obtain crack data, including location and shape information; analyzing the data using a data analysis model to obtain smoothness and color data; and finally, sending the flatness error data, crack data, smoothness, and color data to a qualification analysis model for analysis to obtain the wall decoration inspection result. This invention achieves a comprehensive assessment of wall decoration quality through the analysis and detection of multiple data sources, accurately determining whether a wall is qualified, and is characterized by high efficiency, accuracy, and a high degree of automation.

A computer-implemented system and method for automating building inspections are disclosed herein. This system and method expedites interpretation and inspection against documented requirements, improves accuracy in measurement and other calculations, as well as securely stores documentation against said requirements. The system includes a device with a user interface, an extraction engine running a server, a classifier engine running on the server, a database, a large language model running on the server, and a tool library on the device.

Systems and methods of the present disclosure include a system that includes a maneuverable building detection device configured to engage and maneuver along a wall of a building comprised of a plurality of building components. The maneuverable building detection device includes at least one building component detection sensor device. Each building component detection sensor device is configured to detect data relating to at least one building component of the plurality of building components. In certain embodiments, the system also includes a building component property determination system configured to automatically determine one or more properties of the at least one building component based at least in part on the data detected by the at least one building component detection sensor device. In addition, in certain embodiments, the system further includes a building insurance determination system configured to automatically determine insurance rates and / or insurance coverage for the building based at least in part on the one or more properties of the at least one building component determined by the building component property determination system.

A building inspection system for generating a structured building inspection report for at least a portion of a residential building may (1) receive building data for the residential building from one or more data sources, wherein the building data includes structural information about the at least a portion of the residential building; (2) determine a layout for the at least a portion of the residential building based upon the structural information; (3) generate a guided building assessment plan on a user device based upon the building data, wherein the guided building assessment plan provides inspection instructions for a user to gather unstructured user observations of the at least a portion of the residential building; (4) receive the unstructured user observations; and (5) automatically generate, using an artificial intelligence model, the structured building inspection report in a predetermined format for delivery to one or more users associated with the residential building based upon the building data and the unstructured user observations.

The utility model discloses a building outer wall hollowing detection device, which belongs to the technical field of house detection, and comprises a wall body, a fixed box is placed at the top of the wall body, a first driving motor is fixedly mounted on the side surface of the fixed box through a mounting plate, and first bearings are fixedly connected to two sides of the inner wall of the fixed box. First rotating shafts are rotationally connected into the two first bearings, one end of one first rotating shaft is fixedly connected with an output shaft of a first driving motor, the first driving motor works to drive a lead screw to rotate, then the purpose that a moving plate drives an empty drum hammer to conduct electric adjustment is achieved, and the effect of improving the detection speed is achieved; and a second driving motor works to drive a second rotating shaft to rotate, so that the purpose of adjusting the height of the hollowing hammer by a steel wire rope is achieved, and the purpose of detecting a large-area wall surface is achieved by working of an electric push rod in cooperation with a plurality of hollowing hammers.

This invention discloses a method for generating building energy-saving optimization strategies based on UAV infrared imaging, specifically relating to the field of building energy-saving management technology. The method includes acquiring infrared images, timestamps, location coordinates, and air conditioning records collected by a UAV during target building inspections; stitching the infrared images together according to the location coordinates; extracting the room activation status and set temperature from the air conditioning records according to the timestamps; and outputting a temperature map and operation table. By collaboratively organizing the infrared inspection results, room air conditioning operation information, and control area constraints at the edge into an action list, room execution sequence, and area execution sequence, energy-saving recommendations can be transformed from static recommendations into strategy results with constraint resolution, prioritization, and batch execution capabilities, relatively improving the problems of recommendation conflicts and implementation difficulties.

This invention provides an intelligent diagnostic method for building facade defects based on multimodal fusion using infrared thermal imaging, belonging to the field of building inspection technology. The method includes: simultaneously acquiring infrared thermal images, visible light images, and 3D point cloud data to construct a multimodal dataset; segmenting hot spot regions using an improved morphological watershed algorithm and extracting contour and temperature features; identifying surface cracks and spalling areas using a bi-branch attention network to generate texture defect feature maps; calculating curvature distribution and thermal deformation gradient through spatial registration constrained by the heat conduction equation; fusing multi-source features to calculate the hot spot morphological dispersion degree (TSMD) and structural risk quantification factor (SRQF); constructing a defect risk decision matrix to output defect type, location, and risk level; and overlaying the diagnostic results onto a BIM model to generate a 3D visualization report and predict thermodynamic evolution trends. This invention achieves collaborative analysis of multimodal data, accurately quantifies defect risks, and solves the problems of poor anti-interference, inaccurate segmentation, and large registration errors in traditional methods.

The utility model discloses a building detection bearing capacity detection device which comprises a fixing frame, a replacement mechanism is arranged on the fixing frame, the replacement mechanism comprises a telescopic mechanism, a guide disc, a pressing block, a fixing sleeve, an insertion rod, a clamping mechanism, a follow-up frame, a transverse frame, an ejector rod and an ejector plate, and the telescopic mechanism is connected to the guide disc of the fixing frame in a matched mode. The pressing block is attached to the guide disc, the insertion rod is installed on the guide disc, the pressing block can be conveniently and rapidly replaced according to different detection requirements through the design of the replacement mechanism, the pressing block can be easily fixed to the guide disc through cooperation of the insertion rod and the fixing sleeve, and under the action of the push spring and the spring, the friction strip provides enough friction force, so that the detection accuracy is improved. The stability of the pressing block in the detection process is ensured, the pressing block can be tightly attached to a material for detection under the action of the pressure spring, and due to the design, the detection flexibility is improved, the operation process is simplified, and the working efficiency is improved.

1. Name of the product in this design: Handheld rangefinder thermal imager. 2. Application of this design: This design is a handheld ranging thermal imaging device that integrates infrared temperature measurement and laser ranging functions. It can be used for precise location of equipment faults, building inspection, industrial maintenance, fire rescue, and forest protection. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The present invention relates to the field of building inspection, and discloses a test device for inspecting the connection nodes between the vertical webs and the upper chords of a truss, comprising a positioning seat, a pair of circumferential positioning members provided on the sides of the positioning seat, the circumferential positioning members being capable of applying a rotational force to the upper chord and the vertical webs; a force-bearing seat being provided outside the two circumferential positioning members, a force-applying seat being provided between the force-bearing seats, an adjustable slide rail being installed on the side of the force-bearing seat, a sliding seat being slidably installed inside the adjustable slide rail, and a pressure-applying assembly being provided along the length direction of the adjustable slide rail. In the present invention, the circumferential positioning members are capable of applying a rotational force in a circumferential direction to the upper chord and the vertical webs to simulate the stress conditions of the upper chord and the vertical webs in a torsion state, and the force-applying seats are capable of simultaneously applying pressure to the upper chord and the vertical webs to simulate the stress conditions of the upper chord and the vertical webs under synchronous pressure, thereby improving the comprehensiveness of the inspection results.

1. The name of the design product: unmanned aerial vehicle (UniVTOL V2200). 2. The use of the design product: used for aerial photography, agriculture, plant protection, disaster rescue, geographic mapping, environmental monitoring, logistics transportation and building inspection. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses a comprehensive hardness measuring instrument for building detection. The comprehensive hardness measuring instrument comprises a base, a placement table, two fixing units, a detection unit and a cleaning unit, the placement table is arranged on the base, the two fixing units are oppositely arranged, the placement table is located between the two fixing units, the detection unit is arranged on the base, the detection end face of the detection unit faces the upper surface of the placement table, and the detection unit is used for detecting an object to be detected on the placement table. The cleaning unit comprises a driving part, a cleaning brush and a storage box, the driving part is arranged on one side of the placing table, the cleaning brush is installed at the output end of the driving part, the driving part is used for driving the cleaning brush to do linear reciprocating motion, and in the moving process of the cleaning brush, the placing table is located on the moving path of the cleaning brush; and the storage box is attached to the side wall of the placement table. The detection device has the advantage of improving the accuracy of detection data.

The application discloses a kind of building inspection method and system based on existing building structure, the method includes the following steps: based on multi-period point cloud registration calculation three-dimensional displacement, fusion principal component generates structure deformation stability index, identifies potential instability area;Through multi-scale surface fitting extraction curvature and normal vector evolution gradient, combined with signal-to-noise ratio weighting, construct local distortion sensitivity index;Gradient entropy and roughness are extracted to abnormal area, and material degradation confidence factor is generated by fusing reflection intensity variation;Based on spatial gridding calculation degradation concentration, coupled maintenance frequency and obtained weak degree score by fuzzy mapping, combined with importance weight output risk priority;Deformation rate sequence is extracted to high-risk component, trend is fitted and cumulative score is constructed, and weak score is double-target normalized, and by pareto front and euclidean distance solution, determine the highest position of comprehensive risk and label failure urgency level.The application improves the identification precision of existing building structure deformation.

The utility model relates to the field of building detection, and discloses a sampling and cutting device for building detection, which comprises a detection table, a fixed table and a cutting frame are fixedly connected on the detection table, a cutting mechanism is arranged on the cutting frame, a fixed hole is formed in the fixed table in a penetrating manner, and V-shaped clamping plates which are correspondingly arranged up and down are arranged in the fixed hole. A centering clamping mechanism for driving the upper V-shaped clamping plate and the lower V-shaped clamping plate to slide is arranged on the fixing table, a first protective cover cylinder and a second protective cover cylinder which are arranged on the two sides correspondingly and coaxial with the fixing hole are arranged on the portion, located below the cutting frame, of the detection table, and a cutting seam is formed between the first protective cover cylinder and the second protective cover cylinder. A detachable discharging barrel is arranged at the end, away from the first protective cover barrel, of the second protective cover barrel, a fixing box is arranged on the outer wall of the discharging barrel, and a fixing clamping block extending into the fixing box is slidably inserted into the discharging barrel. Compared with the prior art, the core sample cutting device has the advantages that splashing during core sample cutting can be prevented, and the cut core sample can be protected.

This utility model relates to the technical field of building inspection, and in particular to an auxiliary support mechanism for building inspection. It is configured with a mechanism that can clamp the screwdriver and provides external protection, preventing rotation without external force and improving stability. The top side of the base is connected to the bottom side of the housing via an installation structure. A set of sliding grooves is provided on the left and right sides of the middle of the housing. The outer side of each set of sliding grooves at the top of the housing is connected to the bottom side of a set of fixed clamping plates, and the inner side of each set of sliding grooves is laterally slidably connected to the outer side of a set of sliders. A movable clamping plate is connected to the top of the sliders. A worm gear is rotatably installed on the front side of the housing and connected to the middle of the bottom side of the screwdriver. The outer side of the worm gear at the top of the housing is connected to the bottom side of the fixed frame. The rear side of the top of the fixed frame is movably connected to the rear side of the bottom of the movable box via a hinge. The rear side of the interior of the movable box is connected to the rear side of the anti-slip top plate via a spring. A locking mechanism is provided between the fixed frame and the movable box. A transmission mechanism is provided between the worm gear and the slider inside the housing.

The utility model relates to the technical field of building detection, and provides a crack measuring scale for building detection, which comprises a scale body, a crack measuring part and a crack marking part are arranged on the scale body, the crack marking part is provided with a hollow window for a pen point to insert and slide, the hollow window is in a long strip shape, and scales are arranged outside the hollow window. The scales are arranged along the length direction of the hollow window, and the ruler body is also provided with a gradienter. The in-situ marking device is suitable for in-situ marking while measuring the width of the crack of the concrete member, and provides more intuitive data for observing the subsequent development situation of the crack; and a power supply is not needed during field detection, so that the data acquisition efficiency of detection personnel is greatly improved.

The utility model discloses a building detection lamp, which relates to the field of building detection, and comprises a hand-held handle, the top of the hand-held handle is connected with a luminous body through metal heads, the metal heads are connected at two ends of the luminous body in a sealing manner, a clamping mechanism for improving the replacement efficiency of a rubber block of the detection lamp is arranged in a movable block, and the clamping mechanism comprises a slot. The inserting grooves are symmetrically formed in the side face of the movable block up and down, and elastic pieces are symmetrically connected into the inserting grooves. According to the detection lamp for the building, when the movable block slides, the rubber block can be driven to move to the side face of a reinforcing steel bar for extrusion, the handle can be positioned on the reinforcing steel bar through extrusion of the rubber block, the detection lamp is placed at other positions of a reinforcing steel bar cage according to needs, the detection lamp cannot fall off, and therefore the structure of the reinforcing steel bar cage can be observed more conveniently; and the angle between the rubber block and the luminous body can be changed by rotating the rotating block, so that the detection lamp can adapt to the internal space of the reinforcement cage more easily.

The invention relates to the field of building detection, and provides an exterior wall coating pre-construction detection device and technology, the exterior wall coating pre-construction detection device comprises a walking seat, an electric telescopic rod and a driving seat, the walking seat is rotatably connected with a first auxiliary wheel and an electric wheel, the walking seat is slidably connected with an electric sliding plate, and the electric sliding plate is rotatably connected with a second auxiliary wheel; the electric telescopic rod is rotatably connected to the walking seat, the driving seat is fixedly connected to the electric telescopic rod, a pulley is rotatably connected to the driving seat and extends to the outside of the driving seat, and a knocking mechanism and a sound collecting mechanism are arranged on the driving seat. Different positions of different heights of the outer wall can be detected, so that the detection coverage range is expanded, and continuous hollowing detection can be performed on the large-area outer wall; the empty drum sound features can be clearly distinguished during long-distance detection; while sound is gathered, frictional wear is reduced, the outer wall surface is protected, the movement smoothness of the device is improved, and the overall service life of the device is prolonged.

1. Name of the product in this design: Handheld rangefinder thermal imager. 2. Application of this design: This design is a handheld ranging thermal imaging device that integrates infrared temperature measurement and laser ranging functions. It can be used for precise location of equipment faults, building inspection, industrial maintenance, fire rescue, and forest protection. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The invention relates to the technical field of building detection, and provides a house indoor defect intelligent detection and graphic file output method and system. The method comprises the following steps: acquiring millimeter-level three-dimensional point cloud data through handheld SLAM laser scanning, generating an orthoimage after preprocessing, carrying out defect identification and classification by adopting an unsupervised-weak supervised neural network in which a MobileNetV3-SOM and a stacked auto-encoder are connected in series, calculating three-dimensional coordinates and quantization parameters of a defect center through pixel-point cloud back projection, and carrying out defect identification and classification on the defect center. And finally generating a CAD vector file containing defect types, three-dimensional coordinates and quantization parameters. According to the method, only normal wall surface sample training is needed, the problem of insufficient model generalization caused by defect sample scarcity is solved, meanwhile, accurate three-dimensional positioning and complete parameter description of defects are achieved, the output standardized CAD file can be directly used for repairing design, the detection efficiency is improved, and the application range is widened.

The present invention discloses a building inspection device with a grouting fullness detection function, which relates to the field of building inspection technology and includes: a detection shell, a motor; a detection component; the detection component is used to detect the grouting fullness in a wall; a moving component; the motor drives the moving component to drive the detection component to perform mobile inspection on the wall; a monitoring component; the monitoring component is used to monitor and process data collected by the detection component; the detection component is controlled by a controller, the controller transmits an electrical signal to the detection component, the detection component is started upon receiving the electrical signal from the controller, and the grouting fullness of the wall to be inspected is detected, and the detection result is transmitted to the monitoring component for analysis and processing, which reduces the workload of the staff, reduces the physical consumption of the staff, and thus reduces the fatigue level of the staff; the detection component is used to inspect the wall, thereby improving the work efficiency of the grouting fullness detection.

The utility model discloses a detection device for dangerous building troubleshooting, and belongs to the field of dangerous building troubleshooting, the detection device comprises an unmanned aerial vehicle and four round tubes, a data transmitter is fixedly assembled at the bottom of the unmanned aerial vehicle, a positioning plate is arranged at the bottom of each round tube, and a connecting lug is fixedly assembled at the bottom of each positioning plate. A camera is connected to the outer side of the connecting lug through a bolt, a fixing block is fixedly assembled to the outer side of the data transmitter, a convex groove is formed in the inner wall of the fixing block, and a convex block is slidably connected to the inner wall of the convex groove; the unmanned aerial vehicle can complete a large-area troubleshooting task in a short time, can easily enter a high-altitude, narrow or dangerous area and carry out troubleshooting, avoids the trouble that manual detection is difficult to achieve, avoids high-altitude operation and a dangerous environment during manual detection through unmanned aerial vehicle detection, reduces the working risk of field detection personnel, and improves the detection efficiency. The working safety is improved, and the safety condition of the building can be comprehensively monitored.

Automatic building inspection and payment method comprising: providing a smart contract (SM) over blockchain basing on contract terms and agreements; providing a building software model (BIM) related to desired technical construction information (TI); providing building elements (BE;BU) corresponding to the building software model (BIM); inspecting (104) the building (BU; BE) and defining resulting construction information (RCI); creating (105) a digital twin (DTW) representing a virtual replica of said building and / or building elements (BE); comparing (106) the digital twin (DTW) with building software model (BIM) to define discrepancies (DS); triggering (108) a payment procedure according to a decision (DC) on said discrepancies.

The disclosure is directed at a method and system for generating dynamic building inspection checklists. The system and method compares tasks for a construction project with building code requirements and then generates a building inspection checklist based on the comparison. The system and method may then determine which tasks within the inspection checklist may result in a more negative impact if the task does not pass inspection and updates the checklist accordingly.

This application relates to a surveying method, apparatus, system, and storage medium. The method includes, in response to an acquired entrance command, scanning the entrance environment and determining the number of channels; grouping a drone swarm according to the number of channels, cruising from the entrance, and detecting entrances during the cruising process; dispatching a surveying drone to each detection entrance, and the surveying drone performing 3D laser modeling of the environment within the detection entrance; after all surveying drones have been dispatched, issuing sequential commands based on the appearance time of the detection entrances in a time sequence; and the surveying drone that has completed modeling at one detection entrance selecting another detection entrance according to the received sequential commands and performing 3D modeling of the environment within that detection entrance. The surveying method, apparatus, system, and storage medium disclosed in this application achieve comprehensive information collection of the building interior by using the self-organizing and self-detecting methods of the drone swarm, thereby providing sufficient data support for comprehensive building inspection.