84results about How to "Achieve coverage" patented technology

The invention discloses a marine main engine cabin entering simulation method and system based on multi-view measurement. The method comprises the following steps: acquiring cabin space depth image information through multiple view angles, constructing cabin environment three-dimensional point cloud data, and unifying multi-view angle point clouds to the same global coordinate system based on camera calibration; performing accurate fusion on the multi-view point clouds by adopting a point cloud registration algorithm which introduces a dynamic weight and a local rejection mechanism, and extracting a boundary of an effective space of a cabin by utilizing an alpha-shape algorithm; motion trail modeling is carried out on the main engine cabin entering process, meanwhile, rapid real-time calculation of the minimum gap between a main engine envelope body and a cabin boundary is achieved by constructing a gridding distance field of a cabin space, and therefore whether the risk of collision or insufficient space exists in a given cabin entering path of a main engine or not is judged. According to the invention, high-precision, high-efficiency and high-real-time host entry space verification can be realized in a complex and narrow in-cabin environment, and reliable technical support can be provided for optimization and decision-making of a marine host entry scheme.

This invention belongs to the field of microwave communication technology, specifically relating to a PIFA antenna for 5G dual-band coverage. The invention includes a rectangular metal patch on a top surface, a substrate, and a metal ground plane stacked from top to bottom. A row of grounding vias is disposed through the substrate, and this array of grounding vias is located at the lower end of one side of the rectangular metal patch on the top surface. A coaxial feeding structure is disposed below the rectangular metal patch on the top surface. The antenna excites its fundamental mode TM through the coaxial feeding structure. 0.5,0 Mode and three higher-order modes TM 0.5,1 Pattern, TM 0.5,2 Pattern, and TM 0.5,3 The pattern includes a rectangular metal patch on the upper surface with a first slot along its vertical center line; the first slot has an opening on the side furthest from the grounding via for adjusting the TM. 0.5,1 Pattern and TM 0.5,3 The resonant frequency of the mode; a pair of second slits are orthogonally arranged on both sides of the first slit; the second slits are used to modulate the TM. 0.5,0 Pattern and TM 0.5,2 The resonant frequency of the mode. The antenna design proposed in this invention has advantages such as simple structure, relatively wide dual-band coverage, small size, and low profile.

The invention belongs to the technical field of electrical monitoring, and particularly relates to a railway traction substation three-dimensional visual monitoring system, which comprises a data acquisition unit, a data processing unit and a data feedback interaction unit, and is characterized in that the data acquisition unit is used for acquiring working condition data of electrical equipment in a railway traction substation; comprising a fixed acquisition module and a mobile acquisition module; according to the invention, image information acquisition is carried out on dead corners which are difficult to cover by the fixed acquisition module through the mobile trolley, comprehensive coverage and full monitoring of the railway traction substation are realized under dynamic and static cooperation mutual verification, and the safety and reliability degree of information acquisition is improved; moreover, when the information acquisition devices corresponding to the fixed acquisition modules in part of the areas break down, the mobile trolley can be controlled to go to the fault area as a supplement, so that the blank of a monitoring network is filled, and the anti-risk capability of the whole railway traction substation monitoring system is improved.

The utility model provides a kind of electric hair dryer, it includes shell and hair dryer piece.The electric hair dryer of the utility model, shell inside is equipped with multiple independent air duct, each air duct independently sets air inlet, air outlet and hair dryer piece, airflow can independently circulate in respective air duct inside, effectively ensure the air speed, air pressure stability of each direction air outlet, improve overall hair drying efficiency;And, the air outlet direction of the air outlet passage formed by the electric hair dryer corresponding multiple air ducts is different, so that user can realize the coverage of multiple area airflow without frequently adjusting the position of electric hair dryer, to make airflow distribution more uniform, range more extensive, to effectively cover the different area of object to be blown dry, improve user's use experience.

The application relates to a traditional Chinese medicine constitution identification method based on Al tongue surface image analysis, and the method comprises the following steps: collecting tongue surface information and inquiry information of a user, and identifying and obtaining tongue surface joint features; collecting time sequence data of the user, calculating time sequence mutual information, combining constitution theory knowledge constraints, grading determining the correlation level and weight of the tongue surface joint features and each constitution, and constructing a dynamic weight mapping relationship; performing weighted accumulation calculation on the tongue surface joint features combined with the inquiry information to obtain original scores of each constitution; constructing a constitution correlation knowledge base, quantifying conflict values between each constitution based on a light AI constitution correlation classification model, eliminating conflict constitutions through Bayesian probability fusion, obtaining calibrated constitution scores, and performing constitution determination. The application realizes objective constitution quantification under multi-dimensional feature fusion, constructs a weight mapping system graded according to the correlation closeness, significantly improves the accuracy of constitution identification, and effectively avoids invalid calculation and repeated elimination in constitution identification.

The invention discloses a mandibular canal segmentation method and system, electronic equipment and a storage medium. The method comprises the following steps: acquiring an oral maxillofacial region image; cutting the oral maxillofacial region image to obtain a plurality of local images of the mandible; inputting the plurality of local images into a mandibular canal segmentation model, and outputting to obtain a segmentation result; the mandibular canal segmentation model comprises an encoder, a decoder and a feature fusion module, three two-dimensional convolution branches are configured on three orthogonal projection planes in the feature fusion module, and each two-dimensional convolution branch can obtain boundary information, center trend and local bending features of the mandibular canal on different orthogonal planes and fuse the boundary information, the center trend and the local bending features to obtain multi-view features; and fusing the multi-view feature and the local texture feature to obtain an enhanced feature, fusing the local texture feature and the enhanced feature by a decoder, and outputting to obtain a segmentation result. And through the feature fusion module, comprehensive coverage of multi-view geometric features is realized, and the problems of segmentation fracture and boundary blur caused by single feature extraction are effectively avoided.

The application provides an ultrasound-guided puncture method and system, relates to a data processing technology, and achieves accurate positioning during venous puncture under ultrasound guidance by constructing a part model corresponding to a puncture part, determining a partition scanning line of the part model, controlling an ultrasound device to perform segmented scanning on the puncture part based on the partition scanning line, obtaining a segmented scanning image, determining a segmented scanning image meeting a puncture condition as a sub-adaptive image, performing splicing processing on adjacent sub-adaptive images to obtain a spliced puncture image, performing venous shape judgment on the spliced puncture image to obtain a candidate puncture image, performing optimal selection on the candidate puncture image to obtain a puncture guide image, and determining a puncture point of a punctured vein in the puncture guide image based on a centripetal direction.

The highway engineering slope protection device comprises a connecting plate, through holes are formed in the two sides of the connecting plate, the highway engineering slope protection device further comprises two expansion frames, an adjusting and limiting assembly, a protection net and a positioning assembly, the two expansion frames are hinged to the bottom of the side wall of the connecting plate, and the protection net is movably connected to the inner sides of the expansion frames through the adjusting and limiting assembly; the adjusting limiting assembly is slidably arranged on the outer wall of the expanding frame, and the positioning assembly penetrates through the connecting plate to be movably connected to the middle of the connecting plate and used for fixing the position of the connecting plate and adjusting the angle of the symmetrical expanding frame. The utility model belongs to the technical field of slope protection devices, and particularly relates to a highway engineering slope protection device which aims at water and soil conservation of soil shoulders on the two sides of a highway, improves the covering quality of a vegetation net and prevents gravel from rolling.

The invention discloses a programmable online kernel self-diagnosis implementation method and a storage medium. The method comprises the following steps: S1, constructing a hardware architecture; s2, test excitation and signature pre-generation; s3, software programmable configuration is carried out; the CPU sets a test mode, the number of execution SEEDs, test granularity, clock distribution and start / stop through the configuration register; s4, preparing before testing; s5, executing an online test; reading SEED from the ROM, generating excitation by a Pattern generator, loading the excitation to a kernel scan chain, capturing output, generating an MISR, and comparing the MISR with a GOLDEN MISR; s6, fault processing and a safety mechanism; and S7, recovering after testing. The storage medium is realized based on the method. The method has the advantages of simple principle, wide application range, good flexibility, high coverage rate and the like.

This application discloses a high-precision microwave frequency measurement method and system based on continuous-time crystal phase transitions, belonging to the field of quantum sensing technology. This method utilizes the characteristic of the Rydberg atom system at the critical point of a continuous-time crystal phase transition where the response slope of the detected light transmission signal to the microwave frequency is significantly enhanced, breaking through the resolution limit of traditional linear responses. The system includes a quantum sensing unit, an optical excitation and detection module, a microwave modulation and scanning module, an auxiliary radio frequency field module, and a signal processing and control center. By precisely adjusting the parameters, the system is driven to the vicinity of the critical point, the critical frequency is identified, and its high response slope is used to achieve precise frequency measurement. This invention employs a two-stage measurement process, balancing wide dynamic range and high precision, and can be flexibly tuned to adapt to different frequency bands, possessing broad application prospects, especially in microwave communication, frequency metrology, and other fields with significant technical value.

The invention discloses a self-reconfiguration constant force arm and a self-reconfiguration variable rigidity constant force auxiliary exoskeleton, and relates to the technical field of wearable exoskeleton robot driving. Comprising a large arm shell, a small arm, an adjusting motor, a gear, a linear groove cam provided with a plurality of linear grooves, a pulley adjusting assembly, a pre-tightening force adjusting assembly and the like. The second gear is provided with a plurality of guide grooves, and a pin shaft of the movable pulley correspondingly penetrates through the linear groove and the guide grooves. A controller is linked with an adjusting motor based on load pressure collected by a forearm pressure sensor, changes the rotation angle of a second gear through gear transmission, and is linked with movable pulleys to move in a linear groove under the guidance of a guide groove, so that the number of the movable pulleys entering an effective working state is changed, the joint rotation rigidity is improved, and the constant force output range is expanded. And meanwhile, the pre-tightening force adjusting assembly is linked to adjust the tightness of the rope, and the pre-tightening force within the target range is output. A fixed-configuration constant-force mechanism is converted into a variable-stiffness structure capable of being autonomously reconstructed, and wide-range accurate adjustment of constant-force output is achieved.

The application belongs to the technical field of industrial internet data communication, and relates to a method and system for intercommunication and adaptation of industrial data in a multi-protocol environment, comprising: collecting original data carrying protocol identifiers from a device layer, an application layer and a platform layer based on a pre-set three-layer interconnected bus; performing analysis and processing on the original data based on a pre-set protocol stack, and obtaining intermediate data in a unified format; performing semantic adaptation on the intermediate data based on a pre-set information exchange semantic model, and obtaining semantic specification data; performing data preprocessing on the semantic specification data, and obtaining standardized semantic specification data; and performing layered transmission of target data in the standardized semantic specification data through a corresponding interconnected bus according to a specified interaction mode of a target layer. The application can improve the protocol coverage rate of an industrial scene, realize semantic unification and data intercommunication, improve the cross-system collaborative analysis efficiency, and reduce the deployment time and configuration cost.

The invention relates to the field of nondestructive testing, in particular to a detection method and a detection device based on concave ring array phased array ultrasound. The device is characterized in that an isolation supporting column is arranged between a box body upper cover plate and a box body lower cover plate; two guide openings are formed in the box body upper cover plate; the upper end of the guide positioning pipe is connected with a guide port through an upper centering petal, and the lower end is fixedly connected with the positioning pipe seat; the upper end of the calibration sleeve is connected with the other guide port, and the bottom is connected with the lower bottom plate of the box body; a concave ring array ultrasonic probe is arranged at the lower part of the positioning tube seat, and both are fixed on the lower bottom plate of the box body; the concave surface ring array ultrasonic probe comprises a cylindrical concave surface ring array probe and a conical concave surface ring array probe which are stacked up and down; the lower centering petal is arranged in a cladding tube inspection sleeve on the lower bottom surface of the lower bottom plate of the box body; and the concave ring array ultrasonic probe, the upper centering petal and the lower centering petal are coaxially arranged. According to the invention, full-range detection of the cladding tube is realized, and detection precision and range coverage requirements are ensured.

This invention discloses an entity relationship recognition method and apparatus for decision knowledge graphs. The method includes: retrieving a set of decision text information from a decision knowledge text database; preprocessing the set of decision text information to obtain a preprocessed dataset; and performing entity relationship recognition processing on the preprocessed dataset to obtain an entity relationship information set.

This invention relates to the field of medical device technology, and in particular to a combined nursing bed for neurosurgical intensive care, comprising a bed frame, a bed board, hinge plates, casters, and a covering cloth. The bed board is welded to the center of the bed frame. The hinge plates are symmetrically distributed on both sides of the bed board and hinged to it. The casters are symmetrically welded to the four corners of the bed frame. The covering cloth is suspended directly below the bed frame. The invention also includes a defecation assembly disposed outside the covering cloth for assisting defecation. The defecation assembly includes a sliding rod, a slider, and a connecting plate. A groove is formed at the center of the bed board surface. Pushing the connecting plate moves the slider along the sliding rod to a suitable position, and then pushes the connecting plate along the slider until the covering cloth is directly under the patient's buttocks, ensuring consistency with the patient's position, preventing splashing of excrement, ensuring a comfortable recovery environment, and reducing the workload of medical staff.

The invention relates to the technical field of welding detection, and discloses a steel structure welding deformation detection device, which comprises an objective table used for placing a to-be-detected steel structure, and a control panel fixedly mounted on the side surface of the objective table; the surface detection structure and the internal detection structure are mounted on the objective table; the adjusting mechanism is mounted on the objective table and comprises a track adjusting assembly and a flatness adjusting assembly; the surface detection structure, the internal detection structure and the adjusting mechanism are electrically connected with the control panel. By arranging the surface detection structure, the internal detection structure and the adjusting mechanism, the internal detection structure and the surface of the welding position can be always kept in an attached and stable coupling state, internal detection signal distortion caused by surface unevenness is avoided, the problem that internal detection is prone to being interfered by the surface state in traditional detection is solved, and the detection accuracy is improved. And the accuracy of internal defect detection is greatly improved.

This invention discloses a method for online sodium ion monitoring in steam and water supervision, belonging to the technical field of steam and water quality monitoring in thermal power plants and large industrial boilers. This method is a graded monitoring approach for online sodium ion monitoring in steam and water systems. By setting differentiated monitoring strategies at key nodes and combining intelligent diagnostic algorithms with optimized operation and management measures, it achieves a shift from "post-event detection" to "pre-event early warning," improving the timeliness, accuracy, and reliability of steam and water quality supervision.

The invention provides a stiffness parameter collaborative matching and dynamic iteration updating method and system for a passenger and freight collinear ballastless track, and belongs to the technical field of structural design and optimization in the field of railway track engineering. Vehicle-track structure dynamic response characteristics of a track system under different rigidity combinations are collected, wherein the vehicle response characteristics comprise vehicle body vertical acceleration, wheel rail vertical force and the like, and the track system response characteristics comprise steel rail vertical displacement, fastener vertical force and the like. A sensitive response feature evaluation matrix is constructed, and objective weights of all features are calculated by using an information entropy theory, so that a dynamic response feature weighted standardized evaluation matrix is established. And determining the relative fitting degree of multi-stiffness combinations of different track systems, realizing collaborative matching of multi-stiffness parameters of the track systems, and identifying a high-matching-degree stable region and a parameter combination with strong robustness.

The utility model discloses a multifunctional wall floor tile hollowing detector, including mobile box (1), mobile box (1) top is equipped with lifting mechanism (2), lifting mechanism (2) and the bottom of mobile box (1) are equipped with detection unit (3) respectively, detection unit (3) is including detection installation shell (4), is equipped with electric push rod (5) and rotary motor (6) in detection installation shell (4), and the output of rotary motor (6) is equipped with rotating shaft (7), is equipped with driven gear (8) and drive gear (9) of inside and outside arrangement on rotating shaft (7), be equipped with inside and outside arrangement locking gear (10) and disc (11) on electric push rod (5), and the middle part of disc (11) outer end surface is equipped with hammer (28), the utility model discloses can knock wall brick and floor tile and carry out accurate marking to hollowing position, and use reliability and convenience are good.

The utility model provides a scraper defect detection device which comprises a machine table, a product movement module and two sets of visual detection mechanisms, the two sets of visual detection mechanisms are arranged on the two sides of the product movement module respectively, and each set of visual detection mechanism comprises an edge detection camera, a side face detection camera, an edge detection light source and a side face detection light source. The product movement module comprises a conveying linear movement module and a product platform, the product platform is used for fixing a scraper to be detected, the central axis of the edge detection camera and the plane of the product platform form an inclined included angle, and the central axis of the side face detection camera is parallel to the plane of the product platform. The automatic feeding and double-face detection device has the automatic feeding and double-face detection functions, the two sides of the product movement module are each provided with a visual detection mechanism, the surface of a scraper body and the edge of a blade of the scraper can be more accurately detected while comprehensive covering of the scraper is achieved, and then defect detection of the scraper can be efficiently and accurately achieved.

This invention discloses an intelligent decision-making system for the prevention and control of mosquito-borne midge infectious diseases based on spatial aggregation, belonging to the field of disease prevention and control technology. The invention includes a multi-source data acquisition subsystem, a spatial aggregation analysis subsystem, an infectious disease dynamic simulation subsystem, a prevention and control decision generation subsystem, and an effect feedback subsystem. Based on a three-dimensional framework of media, population, and environment, it constructs a model and, combined with parameter calibration and multi-scenario simulation, achieves refined simulation of epidemic and pandemic scenarios. It dynamically recreates the synergistic effects of mosquito-borne midge population changes, the human infection process, and environmental regulation, supports extreme scenario simulation, and predicts the development trend of epidemics in advance. By matching differentiated resource allocation and prevention and control plans according to risk levels, and combining dynamic evaluation and iterative optimization, it achieves precise implementation and continuous improvement of prevention and control measures. Simultaneously, it verifies the effectiveness of the plan through multi-dimensional evaluation indicators, maximizes the utilization rate of prevention and control resources, ensures that prevention and control measures are always adapted to the epidemic situation, and improves long-term prevention and control effectiveness.

The utility model relates to brick strength detection technical field, disclose a kind of building detection brick strength detection structure, including support structure, adjusting structure and fixed structure, adjusting structure and fixed structure are respectively installed on support structure, adjusting structure includes installation frame, first screw rod, first motor, slide bar, mounting bracket, sliding slot and second motor, installation frame is installed first screw rod by first motor, slide bar is fixedly installed in installation frame interior, and the side away from first screw rod, mounting bracket is installed on first screw rod and slide bar, mounting bracket is installed second screw rod by second motor, second screw rod is screw mounted screw block, screw block and sliding slot are slidably connected, and the bottom of screw block is installed detection head by hydraulic oil cylinder.The utility model is equipped with adjusting structure, cooperate hydraulic oil cylinder control detection head's lifting, ensure that the detection position of brick on detection platform can be flexibly adjusted, realize the overall coverage of the different regions of brick.

This utility model relates to the technical field of foam packaging box processing devices, specifically, to a surface treatment device for mildew-proof and antibacterial foam packaging boxes. It includes an impregnation and coating box, a top frame above the box, a cylinder fixedly mounted on the top frame, a detachable air distribution plate at the end of the cylinder's telescopic shaft, multiple vertical pipes communicating with the interior of the air distribution plate fixedly mounted on the bottom surface of the air distribution plate, vacuum suction cups detachably mounted at the bottom ends of the vertical pipes, a vacuum pump fixedly mounted on the top frame, a rigid pipe fixedly mounted at the suction end of the vacuum pump, and a flexible hose connecting the end of the rigid pipe to the air distribution plate. A vertical plate is fixedly mounted on the bottom surface of one side panel of the top frame, an air inlet is fixedly mounted on the vertical plate, and a hot air blower is fixedly mounted on the inner wall of the air inlet. This utility model facilitates uniform surface treatment, achieving improved surface treatment integrity and uniformity.

This utility model relates to the field of automotive bracket technology, and more particularly to a surface flatness control device for the demolding process of an automotive bracket mold. It includes: a worktable, a support frame on the worktable, a switching component on the top of the support frame, a mold component on one side of the bottom of the switching component, and a flattening demolding component on the side of the bottom of the switching component away from the mold component. By setting up the switching component, a motor drives a lead screw to rotate, enabling rapid switching between the upper mold and the mounting plate, thus improving the automation and operational efficiency of the demolding process. Furthermore, by setting up the flattening demolding component, the position of the brush can be adjusted by extending and retracting the telescopic rod of the telescopic cylinder five according to the size and specifications of the material. The brush can remove burrs and minor imperfections from the surface of the material during its ascent, improving the surface flatness of the material.

The application discloses a kind of fast installation type hidden conductive systems of panel furniture, it is related to the field of household, including: cabinet, conductive rail, power supply terminal, adapter terminal, power terminal, power transformer, by flexible change the installation position of conductive rail to realize specific power supply path trend;By embedding power terminal in layer board to realize cabinet power supply full coverage, conductive rail is embedded into installation slot, realizes hidden conduction and effectively suppresses harmful substance overflow in panel;Cabinet side plate vertical power transmission, roof and bottom plate transverse power transmission, can concentrate power supply position, according to the required power to select high-power power supply;Strip light and wiring groove are set in layer board, realize the illumination demand of specific part in cabinet and hide wiring;Conductive component is embedded into panel by point contact power supply, realizes the hiding of spare part;Setting multiple layer boards, increase side plate and back plate, realize the individualization of user's customization, flexibly set conductive component, realize the full hiding and full coverage of cabinet conductive path.

The invention provides a consumption voucher identification-based parking fee deduction method and device, and the method comprises the steps: obtaining image information corresponding to a to-be-verified consumption voucher carrier, carrying out the feature extraction of the image information, obtaining the data information in a consumption voucher, carrying out the matching of the data information with a preference rule library, and obtaining a verification result. And determining a corresponding parking fee reduction and remission scheme, and executing automatic reduction and remission operation of the parking fee according to the parking fee reduction and remission scheme. According to the invention, automatic verification of the authenticity of the consumption voucher and accurate issuing of the parking discount can be realized, and the use experience of consumers is improved.

The invention discloses a visual function intelligent evaluation system and method applied to airduty ophthalmology, and relates to the field of visual function detection.The visual function intelligent evaluation system comprises the steps that visual data of normal vision and visual fluctuation are collected, visual data parameters are extracted through comparison, and visual evaluation data are calculated through standardization and weighting; dividing a simulated flight environment according to the light brightness, collecting parameters in the environment, performing data cleaning on the parameters, and then calculating corresponding visual evaluation data; the method comprises the following steps: associating a brightness value and a brightness change rate with visual evaluation data, calculating a joint influence function, constructing a multi-dimensional influence function library, matching the influence function library by using a current simulated flight environment brightness value and the brightness change rate, correcting the visual evaluation data, finally extracting a visual fluctuation parameter, setting a threshold interval, and performing visual function judgment. And intelligent evaluation of the visual function of the aircrew is realized.

The application relates to a photovoltaic simulation prediction method and system based on a cellular automaton, which comprises the following steps: cleaning, spatial registration, interpolation, supervised classification and rasterization processing of multi-source data, construction of a photovoltaic distribution data and environmental factor database; construction of a photovoltaic expansion and photovoltaic loss optimal classification model to obtain the contribution degree result and marginal effect characteristics of each influence factor; calculation of a photovoltaic expansion and photovoltaic loss comprehensive suitability score, generation of a photovoltaic expansion suitability map and a photovoltaic loss suitability map through spatial mapping; after the operation rules and parameter constraint set of the cellular automaton model are determined, the candidate pixel set is screened, the conversion quantity is controlled, and each cellular state is iteratively updated step by step, so that the prediction simulation of the photovoltaic facility space expansion and loss process is realized. According to the technical scheme, the photovoltaic space bidirectional dynamic accurate simulation can be completed through the cellular automaton, and interactive parameter adjustment is supported to adapt to diversified planning scenes.

The embodiment of the invention discloses a software quality detection method and device, electronic equipment and a medium, and relates to the technical field of computers.The specific implementation mode of the method comprises the steps that code data, operation data, historical test defect data and historical operation alarm data of software to be detected are obtained; based on the code data, the operation data, the historical test defect data and the historical operation alarm data, constructing a software knowledge graph reflecting an association relationship between internal entities of the to-be-tested software; and based on the software knowledge graph, performing quality analysis on the to-be-tested software to obtain a quality analysis result, and generating a quality analysis report according to the quality analysis result. The method can effectively reduce the human input and the detection period, improves the accuracy and efficiency of software quality detection by means of the deep correlation analysis capability of the knowledge graph, and meets the application scene requirements of large-scale centralized production and high-frequency iteration in the financial industry.

The invention provides a construction operation hazard source monitoring and early warning method, a server, a medium and a product, and relates to the technical field of hazard early warning. The method comprises the following steps: firstly, identifying a dynamic hazard source in a construction area through a pre-constructed dynamic hazard source sensing network, and determining a static hazard source by relying on a preset hazard source database so as to realize comprehensive coverage of the two types of hazard sources; the range information of each danger source is determined, the dynamic danger source corresponds to the first range information, and the static danger source corresponds to the second range information; generating exclusive early warning information for each dangerous source; and finally, an early warning heartbeat packet containing early warning information is sent by a wireless communication module equipped for each danger source by taking a defined danger source range as a reference, so that the terminal equipment of the construction worker can broadcast in time after receiving the early warning heartbeat packet. According to the method, dynamic monitoring and static monitoring are combined, the range is accurate, transmission is direct, accurate real-time early warning is achieved, and the risk that workers make contact with dangerous sources is reduced.