324 results about "Gps positioning" patented technology

The invention provides a multi-source data fusion self-positioning method and system. The method comprises the following steps: acquiring GPS positioning data, visual image data and laser radar point cloud data of an unmanned aerial vehicle; carrying out noise reduction preprocessing on the GPS positioning data by adopting an unscented Kalman filtering algorithm; performing sensor joint calibration based on a visual image and a laser radar point cloud, and establishing a geometric mapping relation between a camera coordinate system and a world coordinate system by retrieving a preset high-precision tower ledger library and solving a PnP problem; inputting the image target detection data, the GPS state estimation value and the geometric mapping data into a pre-trained auto-encoder regression network; anti-interference potential features are extracted through an encoder of the network, and a target position estimation value of the target space position of the unmanned aerial vehicle is output through a regression head. According to the invention, the problem of positioning drift caused by strong electromagnetic interference and complex landform in electric power inspection is effectively solved.

The utility model discloses an efficient drainage ditch excavation device based on an adjustable shaping excavator bucket, and relates to the technical field of municipal engineering and hydraulic engineering construction. Different design requirements are met by hydraulically adjusting the size of the bucket, the bucket body is formed at a time, manual finishing and template use are reduced, the construction cost is reduced by more than 20%, the excavation precision is controlled by combining GPS positioning and real-time measurement, the groove longitudinal slope and elevation precision is ensured, and the construction efficiency is improved. One-time forming of the drainage ditch and synchronous outward transportation of spoil are achieved, and site accumulation is avoided. According to the scheme, the construction efficiency and quality are remarkably improved, and the method is suitable for municipal drainage engineering under soil texture and strong weathered rock geological conditions.

The invention relates to the field of geographic information mutual analysis, and discloses a multi-source dynamic collaborative geographic information mutual analysis method and device, equipment and a medium. The method comprises the following steps: collecting time-synchronized static geographic information, dynamic GPS positioning data and a plurality of pairs of starting and ending point unstructured text data sets, and constructing a dynamic spatio-temporal data pool; high-quality spatio-temporal data is obtained through dual anomaly verification and Kalman filtering cleaning correction; optimizing an address longitude and latitude mapping table in combination with a three-level administrative range and a dynamic high-frequency word; a non-standard address is analyzed into a structured text through a BERT-CRF model, and a precise coordinate and a standardized text are obtained through a hierarchical dynamic matching algorithm. By adopting the method, meter-scale positioning is realized, the non-standard address resolution accuracy is greatly improved, the duplicate name address mismatching rate is reduced, a dynamic scene is adapted, the resolution efficiency and reliability are considered, and an efficient technical support is provided for bidirectional accurate mutual resolution of geographic coordinates and text addresses.

The invention relates to the technical field of intelligent monitoring of drop-out fuses, in particular to an integrated intelligent monitoring device and method for a drop-out fuse, and the device comprises a measurement module which is used for measuring the voltage and current analog signals of the incoming and outgoing line ends of the drop-out fuse; the peripheral controller is connected with the measuring module and is integrated with an AD acquisition unit, a data processing unit, a GPS positioning unit and a wireless communication unit; and the power supply module is connected with the peripheral controller and is used for supplying power to the device. The system has the beneficial effects that a plurality of key functions such as voltage and current acquisition, data processing, GPS positioning and wireless communication are highly integrated in a compact device, so that the size and installation complexity of equipment can be greatly reduced, the overall reliability and stability of the system can be effectively improved, and meanwhile, the failure rate of the equipment is reduced.

The invention discloses an air microorganism aerosol alarm sampling system and method and an unmanned aerial vehicle system. A main controller receives a current position positioned by a GPS positioning module, and when the current position is in a to-be-detected area, an air pump and an alarm sampling optical module are started to pump air into the alarm sampling optical module; the alarm sampling optical module samples microbial particles in the air to form a fluorescence signal, the main controller analyzes the aerosol concentration according to the fluorescence signal and identifies whether the aerosol is a biological aerosol, when the aerosol concentration exceeds a set threshold value or the aerosol is identified as the biological aerosol, the alarm is controlled, and meanwhile, the sampling module is controlled to be started; the main controller controls the liquid supplementing peristaltic pump to start, the sampling liquid in the sampling liquid bottle is pumped into the sampler, then the motor driver is controlled to drive the fan to start to enable air to enter the sampler for sampling, only the sampling peristaltic pump is controlled to start after sampling is completed, and the sample liquid in the sampler is conveyed into the sample bottle through the three-way pipe. The collection of the microbial aerosol particles is completed.

According to the intelligent operation monitoring system based on multi-source sensing, through cooperative work of the sensing terminal, the positioning base station, the intelligent video monitoring device and the back-end control system, combined monitoring of the operation environment, the personnel state and behavior violation is achieved. The system realizes indoor and outdoor seamless positioning through cooperation of UWB positioning and GPS positioning, and constructs a multi-dimensional security monitoring network in combination with environment sensor data and a video behavior recognition result. Through automatic processing of the alarm module and the video linkage module, rapid response of alarm triggering and video linkage is realized. The system supports historical data backtracking analysis to generate an operation risk thermodynamic diagram, and provides data support for safety management. The system improves the real-time performance and accuracy of operation safety monitoring, reduces the manual inspection cost, improves the emergency response efficiency, achieves the precise early warning of safety risks through multi-source data fusion, and improves the scientificity and refinement level of operation safety management.

The invention relates to the technical field of ground penetrating radar data processing, in particular to a hidden disease-oriented ground penetrating radar space-time registration and detection method. Comprising the following steps: S1, establishing a continuous mapping relation between a radar signal and a geographic space; s2, constructing a local trajectory indexing mechanism based on anisotropy measurement; s3, constructing a space-time joint correction space based on error prior distribution; s4, performing parameter inversion based on maximum posterior probability estimation constraint; s5, establishing a registration quality evaluation and signal feature decoupling mechanism; and S6, constructing a dielectric priori driven dual physical attribute index and adaptive discrimination model. According to the method, the influence of GPS positioning errors and track swing is overcome, centimeter-level physical space alignment is realized, and false alarms caused by registration deviation are remarkably reduced; by introducing the physical constraint of the frequency dimension, the signal-to-clutter ratio under the complex city background is improved, and the false alarm rate is remarkably reduced.

The invention relates to the technical field of vehicle safety monitoring, and discloses a safety detection early warning method and system based on vehicle OBD data and a medium, and the safety detection early warning method based on the vehicle OBD data comprises the steps: collecting vehicle OBD real-time data, GPS positioning track data and environment data, and carrying out the preprocessing to form a time-space aligned multi-dimensional data set; oBD time position three-dimensional correlation features are extracted through a tensor decomposition technology; learning a mapping relation between OBD parameter change modes and safety risks in different driving scenes; constructing a space-time semantic association graph, and performing high-risk region identification through a graph convolutional network; according to the current driving situation, dynamic weighted fusion of the OBD data and the environment information is achieved, and graded early warning information is generated; a risk assessment method with context adaptability is provided, three-dimensional correlation features are extracted through a tensor decomposition technology, and complex interaction among parameters is effectively captured.

The invention relates to an agricultural inspection robot navigation decision planning system and a planning method thereof, and belongs to the technical field of agricultural robots, and the agricultural inspection robot navigation decision planning system comprises a multi-sensor fusion sensing module, a navigation decision planning module, a dynamic obstacle processing module, a transverse-longitudinal combined controller and a task management platform. The multi-sensor fusion sensing module comprises a laser radar, a visual sensor, a Beidou / GPS positioning module and an IMU and is used for collecting environment images, point cloud data and robot poses and recognizing crop row navigation lines through an improved YOLOX-Tiny model. According to the method, high-precision navigation can be achieved, high-precision tracking with the transverse error being smaller than or equal to 0.04 m and the longitudinal error being smaller than or equal to 0.06 m is achieved through transverse-longitudinal combined control and multi-sensor fusion positioning, the self-adaptive capacity is high, the reinforcement learning and path decomposition technology and a dynamic risk evaluation mechanism are combined, and the reliability of the system is improved. The robot can effectively deal with sudden obstacles and complex terrains in a farmland environment.

The invention discloses a wearable intelligent obstacle avoidance system, and belongs to the technical field of blind person auxiliary travel. The invention aims to solve the problem that the existing blind person travel auxiliary equipment is inconvenient to use or high in cost. The method includes the steps that an image collection module collects blind sidewalk obstacle images; the GPS positioning module obtains position coordinates of a user; the lightweight target detection model performs obstacle recognition on the blind sidewalk obstacle image based on the position coordinates of the user to obtain obstacle information; the monocular distance measurement module obtains a distance signal between the current position of the user and the obstacle according to the obstacle information; the control module sends the current distance signal to the prompt module and sends a danger prompt signal when the distance between the current position of the user and the obstacle is smaller than a set threshold value; the prompting module sends a distance signal to a user; an alarm is sent to a user according to the danger prompt signal; all the modules are integrated on the wearable article to form the wearable device. The method is used for assisting the blind in going out.

The invention discloses a boiler heating surface three-dimensional digital twin construction method and system based on multi-source data fusion, and relates to the field of boiler monitoring. Comprising the following steps: carrying out multi-source data space-time alignment and structured processing, and unifying CAD design coordinates, installation welding seam GPS positioning, DCS operation measuring points and ultrasonic detection point positions to a boiler absolute coordinate system by adopting a space-time reference conversion technology; analyzing the unstructured data through a data cleaning engine, generating a welded junction level equipment ledger, and forming a time-space aligned standardized database; carrying out multi-scale point cloud fusion and three-dimensional model reconstruction, fusing laser scanning point cloud, BIM parametric modeling and welding seam ray imaging data, and constructing a multi-scale model by adopting an octree spatial index; cT scanning point cloud is introduced into the key area to enhance the precision. Compared with traditional BIM modeling, the geometric accuracy is improved, the creep damage simulation error of the high-temperature pipeline is reduced, and a real geometric base is provided for life evaluation.

The invention relates to the technical field of hydraulic engineering, and discloses a revetment setting method for optimizing wetland ecosystem restoration. The method comprises the following steps: arranging an energy dissipation desilting area to slow down water flow and purify water quality, laying porous vegetation building blocks to enhance slope stability and water and soil conservation capability, spraying a covering material containing grass seeds, fibers and a growth promoting agent on the surface of the revetment to realize rapid greening, and arranging a water baffle and a buffer structure to prevent scouring. A system corresponding to the method integrates GPS positioning and soil salinity and water quality sensors, multi-source monitoring data are fused through an AI algorithm, an ecological health index is constructed, and a regulation and control strategy is formulated. And the control module comprises a regulation and control mechanism based on a rule engine, fuzzy logic, a neural network and reinforcement learning, and realizes automatic irrigation and drainage regulation. While the stability of the revetment structure is guaranteed, the restoration efficiency and the self-adjusting capability of the wetland ecological system are improved, and the system has the advantages of being high in ecological property, high in intelligence and wide in adaptability.

This invention provides an intelligent pipeline inspection and testing system, comprising a wirelessly connected surveying instrument and a mapping terminal. The surveying instrument includes a laser ranging module, an attitude sensor module, a GPS positioning module, and a processor. The output of the laser ranging module is connected to the first input of the processor to send the measured distance signal to the processor. The output of the attitude sensor module is connected to the second input of the processor to send the measured pitch angle signal and horizontal azimuth angle signal to the processor. The output of the GPS positioning module is connected to the third input of the processor to send the longitude, latitude, and altitude coordinates of the surveying instrument's location to the processor. This invention obtains the three-dimensional coordinates of the pipeline components (longitude, latitude, and altitude) through the GPS positioning module, and combines this with the infrared ranging function of the surveying instrument to obtain the vertical distance of the pipeline from the installation ground, thus achieving clear differentiation of different levels of pipelines in a three-dimensional intersecting pipeline system.

The utility model relates to a kind of lithium iron phosphate starting power supply, and cell group includes multiple full tab low temperature lithium iron phosphate battery, and multiple full tab low temperature lithium iron phosphate battery is electrically connected battery management system after mutual series connection or parallel combination;PI heating film is attached to the outer surface of cell group, and PI heating film is closely attached with cell group by heat-conducting silica gel;PI heating film is electrically connected battery management system, for heating cell group under the control of battery management system;GPS positioning module is integrated in the outside of cell group, for obtaining the position information of lithium iron phosphate starting power supply and uploading to remote processing equipment;Cell group, battery management system, PI heating film and GPS positioning module are all set in insulating box body.The utility model reduces internal resistance by full tab low temperature battery structure, can still stable output current in low temperature environment, solves the problem of insufficient low temperature discharge capacity of traditional battery.

The application belongs to the field of GPS positioning, and relates to a dynamic GPS signal interference influence evaluation method and system, which comprises the following steps: calculating the instantaneous position vectors and velocity vectors of visible satellites, a receiver and an interference source in the Earth-Centered Earth-Fixed coordinate system; obtaining the directional gain of a receiving antenna to multiple visible satellite signals and multiple interference signals respectively; calculating the noise power spectral density, the power of multiple visible satellite signals and the power of multiple interference signals arriving at the radio frequency front end of the receiver; modeling the equivalent carrier-to-noise ratio to obtain the equivalent carrier-to-noise ratio of multiple visible satellites; simulating the influence of the visible satellites on the code tracking loop of the receiver to obtain the pseudorange measurement error of multiple visible satellites; and performing positioning solution through a weighted matrix least square method to obtain the positioning accuracy, so that the interference effect can be accurately, real-timely and quantitatively evaluated.

The invention provides a waterproof GPS positioning structure for marine survey and a use method thereof, and relates to the technical field of GPS positioning, the waterproof GPS positioning structure comprises a waterproof protection part, a wireless GPS positioner, a movable protection part, an installation prompting part and a connection stabilizing part; the wireless GPS positioner is mounted in the waterproof protection piece; the movable protection piece is mounted on the waterproof protection piece; the installation prompting piece is installed at the bottom of the waterproof protection piece. The connection stabilizing piece is installed on the installation prompting piece, and the connection stabilizing piece is used for improving the stability of the installation prompting piece after connection; external pressure preferentially extrudes the four movable protection discs to slide, and it is guaranteed that the joint of the waterproof protection shell a and the waterproof protection shell b does not deform basically; the problem that the original sealing effect cannot be guaranteed due to the fact that the GPS positioning structure is prone to deformation at the joint when moving to a deeper position in the ocean due to the fact that the waterproof protection function is not achieved generally is solved.

The invention relates to an electronic liquid medicine cup with timing, quantitative and positioning functions, which comprises a cup body unit, and further comprises an authorized opening unit, a timing and quantitative positioning unit and a control unit, the quantitative dosing unit is used for outputting quantitative liquid medicine; the medicine receiving unit enables the liquid medicine flowing out of the liquid outlet to fall into the drinking cup under the action of gravity; a timing module and a voice module are integrated on the central control unit, and the central control unit is used for processing the identity information, controlling the cup cover to be opened and closed, managing the medicine taking time sequence and controlling the quantitative operation of the quantitative medicine feeding unit. The intelligent liquid medicine monitoring system has the advantages that a plurality of functional modules such as liquid storage, identity authentication (fingerprint identification), electric quantitative dosing (a power pump and a one-way valve), electromagnetic locking, remote communication, GPS positioning and man-machine interaction (a display screen) are highly integrated, and a complete intelligent liquid medicine monitoring scheme is formed; and full-process automatic management from reminding, authentication, taking to monitoring is realized.

The invention discloses a take-off and landing guiding method and device for a manned vertical take-off and landing aircraft, and the method comprises the steps: carrying out the automatic division of a flight guiding stage through the entering and exiting logic based on the flight height, the vertical speed and the horizontal speed; automatically activating a first guide mode in a vertical takeoff stage and a vertical landing stage according to a short-distance target point alignment principle, and automatically activating a second guide mode in an acceleration climbing stage, a cruise stage and a deceleration descending stage based on a track deviation and speed guide cooperation principle; respectively configuring special guidance symbols and general flight information of the first guidance mode or the second guidance mode; the guidance available state is combined, a corresponding guidance state notice is generated according to the flight guidance stage, and the guidance available state judgment basis comprises sensor data validity, GPS positioning accuracy not larger than a first preset value and inertial navigation system error smaller than a second preset value; according to the invention, visual and accurate flight guidance information meeting the requirements of different flight stages can be provided for pilots.

The invention provides an attendance checking method, an attendance checking system, an attendance checking device, electronic equipment and a storage medium, and relates to the technical field of attendance checking management. The attendance checking method is applied to an attendance checking system provided with an electronic fence, the electronic fence comprises a school entering fence, a school leaving fence and a WIFI fence, and the school entering fence is located in the school leaving fence; comprising the following steps: collecting state information of a user terminal of a target object in an attendance period, the state information comprising a GPS positioning position and WIFI information; judging user behaviors of the target object according to the electronic fence, the GPS positioning position and the WIFI information, wherein the user behaviors comprise a school entering behavior and a school leaving behavior; and checking attendance of the target object according to the user behavior. According to the attendance checking method disclosed by the invention, on one hand, accurate attendance checking is realized based on the user terminal with a positioning function, and on the other hand, the cost investment of traditional inductive card swiping equipment or non-inductive 2.4 G beacon equipment is avoided.

The present application relates to the technical field of CPIII measurement, and especially relates to a CPIII measurement method, which solves the problem that the accuracy of CPIII measurement in railway track operation needs to be improved in the prior art. The CPIII measurement method uses a measurement system composed of a total station, an industrial computer, a GPS positioning device and a power supply device, and the intersection point of the longitudinal center line of the two side control points and the horizontal center line of the same side adjacent two control points is the observation point, on the basis of adjusting the height of the total station. The present application sets angle data acquisition operation at each observation point, and the position of the observation point can be calibrated in advance by using the angle operation, so that the observed data is more accurate, and a CPIII measurement method with self-checking function and more accurate data is realized.

The invention belongs to the technical field of constructional engineering measurement, and discloses a constructional engineering measurement system based on segmentation and clustering, which comprises a multi-source data acquisition module, a data processing and analysis module and a control and display module. The multi-source data acquisition module is composed of a three-dimensional laser radar, unmanned aerial vehicle oblique photography equipment, a total station and GPS positioning equipment, and is used for acquiring and fusing multi-source data. And the data processing and analysis module realizes automatic and accurate identification and measurement of building components by adopting a process of data preprocessing, point cloud segmentation based on deep learning and combination of DBSCAN clustering and energy function optimization. And the control and display module is used for system control and result three-dimensional visualization. Through combination of multi-source data fusion and an intelligent algorithm, the problems of low efficiency, insufficient precision and poor automation degree of a traditional measurement method are solved, and the intelligent level and the operation efficiency of constructional engineering measurement are improved.

The utility model provides a control terminal for large-scale machine operation hydraulic data acquisition, and relates to the technical field of power electronics, the control terminal comprises a power supply module, a lightning protection module, an industrial control computer, a GPS positioning module and an alarm lamp module, the power supply module is used for converting external 220V alternating current into 24V direct current; the lightning protection module is connected with the power supply module, and the lightning protection module is connected with an external data acquisition box; the industrial control computer is connected with the power supply module and the lightning protection module. The GPS positioning module is connected with the industrial personal computer, and the GPS positioning module is used for acquiring geographic position information of the large computer in real time; the alarm lamp module is connected with the industrial personal computer, and the alarm lamp module is used for triggering sound-light alarm when the industrial personal computer detects that the hydraulic system is abnormal. According to the utility model, the stability and the reliability of the monitoring system are improved, data can be transmitted in real time, and the efficiency and the safety of railway maintenance operation are remarkably improved.

The utility model relates to the technical field of artificial intelligence terminals, and provides an intelligent forest fire prevention positioning terminal comprising a waterproof housing which is internally provided with a circuit control board; the circuit control board is provided with a single-chip microcomputer circuit, a battery charging and discharging circuit, a voltage conversion circuit, a temperature sensor interface circuit, a GPS positioning module interface circuit, an attitude sensor interface circuit, an atmospheric pressure sensor circuit and a 4G communication module circuit. The intelligent forest fire prevention positioning terminal is installed on portable equipment or personal protection equipment of fire prevention and extinguishing personnel, signal transmission and data uploading are carried out through the 4G communication module circuit, real-time positioning and monitoring of the fire prevention and extinguishing personnel are achieved, specifically, a posture abnormity alarm function can be set through the posture sensor interface circuit, and the intelligent forest fire prevention positioning terminal is convenient to use. Once fire prevention and extinguishment personnel are found to have abnormal conditions, an alarm can be given in time to remind command personnel to carry out emergency treatment and rescue in time, the safety of the fire prevention and extinguishment personnel is guaranteed, meanwhile, the environment temperature can be monitored through the temperature sensor interface circuit, and alarm can be given to the background when the environment temperature is abnormal to guarantee timely evacuation of the personnel.

The invention discloses a pancake prefabricated paste intelligent distribution scheduling system based on real-time road conditions, and relates to the technical field of food distribution scheduling, the system comprises a composite sensing module, a data processing module, a scheduling decision module and an execution module; a sensing system fusing multi-dimensional data is constructed through the composite sensing module, the problem that traditional single GPS positioning cannot comprehensively sense road conditions is solved, all-around control over traffic, weather and user behaviors is achieved, a road condition-time, weather and batter quality association and distribution delay probability prediction model is established through the data processing module, and the distribution delay probability prediction accuracy is improved. The problem of lack of data modeling analysis in the prior art is solved, a scientific basis is provided for scheduling, the problems of unreasonable resource allocation and weak risk handling capacity are solved by dynamically adjusting the distribution priority, allocating storage and triggering emergency order adding through the scheduling decision module, distribution delay and batter loss are finally reduced, and store operation is guaranteed.

1. The name of the design product: pet GPS locator. 2. The use of the design product: GPS positioning for pets. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

This invention provides a safety assurance method and system for unmanned aerial vehicles (UAVs) used for medical examinations of high-rise buildings in cities. The method includes: continuously monitoring the flight parameters of the UAV, sampling the flight parameter data at a frequency of ≥100Hz, and performing fusion processing using a Kalman filter algorithm; employing a fault diagnosis algorithm, based on a dual judgment mechanism of threshold and trend analysis, to analyze the collected flight parameter data in real time; comparing power redundancy and attitude stability indicators with preset thresholds to determine the fault level, and performing graded emergency handling according to the fault level, triggering corresponding handling and response strategies for non-catastrophic or catastrophic faults; after the UAV lands, confirming the safety of the landing point through visual SLAM or GPS positioning, and initiating onboard communication to report the status. This invention provides a complete solution from fault prevention to collision buffering through redundant design, graded emergency response, and dual-level protection, maximizing the protection effect and facilitating industrial implementation and verification.

1. The name of the design product: personal safety watch (EV-W101). 2. The use of the design product: the design product is a smart safety watch, which can be used for wearing, checking time, smart calling, GPS positioning, alarm anti-theft, emergency help and other functions. 3. The design points of the design product: in the perspective view. 4. The picture or photo that best indicates the design points: perspective view.

This utility model relates to a fixed emergency call device, comprising: a housing with an operating hole on its side; a manual alarm assembly including an operating rope, a trigger block, a trigger switch, and a reset component, wherein one end of the operating rope is connected to the trigger block, and the other end is exposed; the trigger block moves along a preset linear path, and a trigger position is set on the preset path; the trigger switch is located inside the housing and at the trigger position; the reset component keeps the trigger block normally at the starting point of the preset path; a functional module group located inside the housing, including a voice recognition module, a GPS positioning module, an alarm module, and a communication module; wherein the voice recognition module includes an alarm voice receiving module and an alarm voice information processing module; and a main control module electrically connected to the trigger switch, the functional module group, and a monitoring platform server and / or control terminal. This application employs multiple simple and quick alarm methods, making it easy for middle-aged and elderly people to quickly master and avoiding accidental activation.

The invention discloses an unmanned aerial vehicle positioning and charging system and method based on an ultrasonic technology. The system comprises an unmanned aerial vehicle and a charging pile. An airborne GPS positioning module, an airborne wireless radio frequency module, an airborne charging module, a flight controller and n airborne ultrasonic sensors are arranged on the unmanned aerial vehicle, wherein n is greater than or equal to 1; the charging pile is provided with a pile-mounted wireless radio frequency module, a pile-mounted charging module and m pile-mounted ultrasonic sensors, m is greater than or equal to 1, and n + m is greater than or equal to 3; the airborne wireless radio frequency module is matched with the pile-mounted wireless radio frequency module and is used for realizing time synchronization of the unmanned aerial vehicle and the charging pile; and the flight controller generates a horizontal position adjustment instruction according to the dynamic change of the real-time distance value between each airborne ultrasonic sensor and each pile-mounted ultrasonic sensor, and controls the unmanned aerial vehicle to dynamically adjust the horizontal position until the airborne charging electrode module is in contact with the pile-mounted charging module to complete butt joint. The active positioning charging of the unmanned aerial vehicle is realized by adopting the ultrasonic sensor and the wireless radio frequency module, the cost is low, the precision is high, and the environmental robustness is strong.

This utility model relates to the technical field of pipeline inspection equipment, and provides a buried gas pipeline leak detection device, including a first snap plate with one open end, a second snap plate connected below the first snap plate, blocking plates connected to both sides of the first snap plate, and a transmission component for driving the detection device along the pipeline. The first snap plate, the second snap plate, and the blocking plates form a sealed space covering the outside of the pipeline. The second snap plate is provided with a support component for abutting against the pipeline. Along the length of the first snap plate, gas concentration sensors are arranged in an array. A battery is provided on the first snap plate, and a GPS positioning module is installed inside the battery. The buried gas pipeline leak detection device of this utility model can quickly and accurately detect whether a section of pipeline is leaking by setting up a sealed space. It can automatically detect a distance underground by burying the pipeline, improving detection efficiency and achieving accurate positioning, and is suitable for complex geological environments.