42results about How to "Guaranteed unity" patented technology

This invention discloses an internal bore measuring machine, including a base, a seat, and a top steel plate covering the seat; a transition roller track, including a roller assembly and a gantry frame; a positioning device, including a frame, a top plate, a lifting cylinder; a rear inspection mechanism, including a fixed frame, a transverse movement mechanism and a transverse linear slide rail mounted on the fixed frame, a reciprocating measuring mechanism mounted on the transverse movement mechanism; a control cabinet with a built-in PLC as the main controller; a cantilever operation box assembly is provided on one side of the control cabinet, the cantilever operation box assembly including a cantilever, an operation box, and an enclosure assembly consisting of a front enclosure and two side enclosures respectively placed on both sides of the front enclosure, with a U-shaped cross-section, placed on the base and with the U-shaped opening fastened to the control cabinet, enclosing the positioning device and the gantry frame. This invention solves the problems of poor coordination of existing automatic detection and conveying, low efficiency of step-by-step detection, and insufficient rigidity.

This disclosure provides an ammonia injection method and apparatus based on a denitrification system. The method includes: acquiring current boiler parameters of a coal-fired boiler; collecting nitrogen oxide (NOx) parameters at the denitrification inlet of the denitrification system as a first NOx parameter; collecting NOx parameters at the denitrification outlet of the denitrification system as a second NOx parameter; collecting NOx parameters at the total exhaust outlet of the denitrification system as a third NOx parameter; preprocessing the current boiler parameters, the first NOx parameter, the second NOx parameter, and the third NOx parameter respectively; determining the current required ammonia quantity for the denitrification system based on at least one of the preprocessed current boiler parameters, the first NOx parameter, the second NOx parameter, and the third NOx parameter; and injecting ammonia into the denitrification system according to the current required ammonia quantity. This method ensures that the calculated ammonia injection quantity is significantly more accurate.

The invention relates to the technical field of computer processing, and discloses an interaction method and device, electronic equipment, a storage medium and a program product, and the method comprises the steps: responding to an interaction instruction for a user identifier, and determining a target virtual role corresponding to the user identifier; acquiring historical interaction data related to the target virtual character from historical scene data corresponding to the user identifier; and based on the historical interaction data, determining interaction information of the target virtual character for the interaction instruction. According to the method, when the interaction information of the target virtual character is determined, the historical interaction data of the cross-interaction scene is collected, so that the target virtual character can adopt the interaction performance consistent with that in the historical interaction scene when interacting with the interaction instruction, the uniformity of the interaction performance of the target virtual character in the cross-interaction scene is ensured, and the interaction efficiency of the target virtual character is improved. Reduction of preparation work for new interaction scenes by manpower is facilitated, operation is easy and convenient, and manpower is saved.

The application discloses a medical inquiry logic chain generation and verification method and system based on a large language model, relates to the technical field of artificial intelligence, and comprises the following steps: S1, generating a logic chain framework, constructing a medical inquiry logic chain generation model, and embedding a structured logic template and professional knowledge constraints in a large language model as a core engine; S2, designing a two-dimension multi-level verification framework to automatically check the consistency and medical rationality of the generated corpus logic chain; and S3, designing an evaluation index system and a dynamic optimization strategy, grading and marking the problem corpus identified in the verification, and performing corresponding correction, so that the correction result is fed back to the model training link to optimize the logic chain generation rule. Through NLP technology, a language model generation mechanism, medical knowledge structure analysis and an intelligent verification algorithm, the quality, the degree of structuring and the application value of the medical inquiry data set in an intelligent inquiry system are improved, and high-quality and controllable professional corpus support is provided.

The invention discloses a novel automatic oil cylinder assembling device which comprises a base, a cylinder barrel clamping mechanism, a centering device, a piston rod position adjusting mechanism and a piston rod press-fitting mechanism. A high-precision guide rail is laid on the base, and all the mechanisms are installed on the guide rail through sliding blocks and can be movably locked. The centering device measures the positions of the inner wall of a cylinder barrel and the outer wall of a piston rod in a non-contact mode through two sets of high-precision laser sensors, a control system drives a servo electric cylinder to adjust the pose of the piston rod according to measured data, and full-automatic high-precision centering of the axes of the cylinder barrel and the piston rod is achieved. The piston rod press-fitting mechanism adopts an electric cylinder with a force measuring sensor, and real-time monitoring of press-fitting thrust is achieved. The problems that traditional assembly depends on manual work, the centering precision is low, and the quality consistency is poor are solved, and high precision, high efficiency and high reliability of oil cylinder assembly are achieved.

The embodiment of the invention provides a metering automation calibrating device and system supporting multiple platforms. In one specific embodiment, the device comprises an instruction library module, a verification item library module, a document template library module and an execution module, according to the implementation mode, through the instruction library, the verification item library and the document template library, traditional code development is converted into visual configuration, the technical threshold is greatly lowered, the development period is greatly shortened, and a user can flexibly customize regulations, instruments and reports. The system execution module automatically drives the whole process from instrument control to report generation, efficiency is improved, manual errors are avoided, and accuracy and reliability of results are guaranteed. Meanwhile, the system supports diversified hardware and an operating system platform, the problems of technical dependence, safety risks and compatibility are effectively avoided, and a foundation is laid for achieving autonomous controllability of metrological verification tools.

This invention relates to the field of polishing equipment technology, and discloses a multi-faceted polishing fixture for watch cases, including a processing box. A silicone mesh plate is located in the center of the inner side of the processing box, and a placement seat is provided on the silicone mesh plate. Multiple processing chambers for individually processing the watch case are equidistantly arranged on the placement seat. By adding and setting a front-end processing mechanism, which uses alkaline cleaning water immersion combined with ultrasonic vibration and a circulating filtration structure, various oil stains and impurities such as cutting fluid and release agents remaining on the surface and crevices of the watch case can be thoroughly removed, eliminating polishing slippage and surface dulling caused by oil residue. Secondly, relying on constant-temperature liquid immersion, the thin-walled watch case is heated evenly throughout, thoroughly and evenly releasing residual metal stress from previous processing, avoiding subsequent polishing deformation caused by uneven stress release. Simultaneously, it optimizes the polishing process, reduces grinding head vibration, and eliminates wavy lines and light / dark layer defects on the watch case surface.

The invention discloses a database distributed version synchronization and intelligent compression method and system, and relates to the technical field of distributed databases. The method comprises the following steps: a database fragment management mechanism in a distributed environment divides a database into a plurality of fragments, and each fragment independently maintains a versioned storage manager; a cross-node version coordination mechanism ensures the consistency of global version numbers; according to a multi-copy synchronization mechanism, the consistency of multiple copies is ensured by adopting a two-stage submission protocol; an intelligent copy selection algorithm; a distributed garbage recycling mechanism; the version compression mechanism is used for analyzing historical version data and storing the historical version data by adopting increment; intelligently combining strategies, and determining a compression strategy according to the data access frequency. According to the method, the problem of consistency of data version synchronization in a distributed environment is solved, and meanwhile, storage space occupation is reduced through intelligent compression.

The invention relates to the technical field of knowledge graphs, in particular to a part detection method and system based on a knowledge graph, and the method comprises the steps: a data obtaining module carries out the preprocessing of multi-modal detection data and detection demand information, and obtains a standardized data set; the knowledge graph interaction module analyzes the standardized data set, extracts detection elements, and performs entity matching, relation reasoning and knowledge completion in the constructed multi-modal detection knowledge graph database to generate a structured knowledge packet; a report generation module calls an industry template according to the structured knowledge packet to generate a detection report; and the output and iteration module pushes a detection report to a user terminal, analyzes user feedback, and triggers the report generation module to update the detection report or the knowledge graph interaction module to perform knowledge iteration. According to the scheme, for a part detection scene, the problems of disordered module interaction, non-uniform reasoning logic, disordered knowledge updating and poor scene adaptability in the prior art are solved, and meanwhile, the scene adaptability and the detection efficiency are enhanced.

This invention belongs to the technical field of textile production equipment, specifically disclosing a textile fabric winding machine, including a main body and a winding roller. The winding roller is characterized by a connecting mechanism, which includes a drive motor and a motor shaft. Connecting grooves are formed on both sides of the winding roller and inside the motor shaft. Connecting posts are inserted into the connecting grooves, and the connecting posts are fixedly connected to a connecting shaft and a rotating block, respectively. The connecting shaft is fixedly connected to the rotating block, and the connecting shaft and the rotating block are rotatably connected to a fixed sleeve and a moving block, respectively. The fixed sleeve is fixedly connected to the main body of the device. Through the structural design of the connecting mechanism, when the winding roller reaches a certain thickness in the textile fabric, the drive motor can automatically disconnect from the winding roller, thereby stopping the winding roller from continuing its winding operation and ensuring uniformity in specifications for each winding.

The invention relates to the technical field of payment settlement, and discloses a scientific and technological achievement transaction fund automatic settlement method and system based on a smart contract, and the method comprises the steps: compiling a transaction parameter based on a transaction intention, obtaining a contract byte code, deploying the contract byte code to a block chain, and obtaining a unique contract address. The buyer locks transaction funds to the contract account, and meanwhile, an achievement delivery file uploaded by the seller is encrypted and fragmented to generate derived data segments; the derived data segments are distributed to distributed storage nodes, and storage addresses and content hash values returned by the nodes are combined into a fragment index list according to an agreed format; and extracting digital voucher information of the delivery file from the list, and performing byte verification on the digital voucher information and a seller digital voucher sample in the transaction parameters to obtain a content acceptance result. And finally, according to a settlement identifier in an acceptance result, automatically determining a transfer direction of funds of the two transaction parties. According to the invention, the efficiency of scientific and technological achievement transaction fund automatic settlement based on the smart contract can be improved.

The utility model relates to a kind of buzzer wafer placing machine, including suction mechanism, feeding assembly, visual detection mechanism, material collecting tray, moving mechanism and collection frame;Suction mechanism is connected with a moving mechanism, and suction mechanism includes lifting cylinder and suction piece;Feeding assembly includes feeding base and material box, and the bottom of material box is located in clamping groove;Visual detection mechanism and collection frame are located between material box and material collecting tray, and material collecting tray is connected with a moving mechanism.The utility model has the advantages that: the placement surface of buzzer wafer is compared piece by piece by visual detection and classified, and the buzzer wafer placed incorrectly is collected, the placement efficiency is improved, and the uniformity of placement side is ensured.

The invention relates to the technical field of digital video signal processing, and particularly discloses an intelligent transcoding and color consistency calibration method supporting multi-format film and television materials. The method comprises the following steps: decoding a source video, inputting the decoded source video into a dynamic color space perception and mapping core for synchronous double-path analysis, analyzing color metadata in one path, and extracting color statistical features in the other path through unsupervised visual feature analysis; fusing the two through an adaptive decision module to determine a real color attribute; dynamically synthesizing a color mapping model based on a target color space specified by a user and a calibration intention, and applying the color mapping model to pixel data conversion; meanwhile, the influence of conversion on image characteristics is analyzed, and a coding guidance strategy is generated; and finally, completing compression of the converted data by using the strategy in a single coding process, and outputting videos with uniform formats and consistent colors. According to the invention, deep integration of transcoding and color calibration is realized, the processing efficiency and the automation level are improved, and the color coherence of batch processing results is guaranteed.

This application discloses an intelligent monitoring and early warning system for physical education class exercise load, comprising: a video acquisition module for acquiring raw exercise video data of students to be monitored during multiple class periods; a feature extraction module for extracting the coordinate sequence of key skeletal points of students in each period based on the raw exercise video data; calculating multidimensional motion feature vectors based on displacement changes; a temporal reconstruction module for constructing a temporal motion feature matrix from the multidimensional motion feature vectors; a trend prediction module for inputting the temporal motion feature matrix into a load trend prediction model and outputting the predicted exercise load change range of the students to be monitored within a preset short period of time; a risk determination module for matching the predicted exercise load change range with a safe load threshold generated based on the individual physical fitness benchmark of the students to determine whether the predicted exercise load change range has a risk trend of exceeding the safe load threshold; and an early warning execution module for generating trend overload early warning information for the students to be monitored.

The utility model relates to a transmission system for a small bar line packing machine head. Comprising a main control servo motor, a speed reducer, a main transmission gear, an electromagnetic clutch gear A, an electromagnetic clutch gear B, a main transmission shaft, a shaft-mounted flange A, a shaft-mounted flange B, an electromagnetic clutch A, an electromagnetic clutch B, an electromagnetic brake A, an electromagnetic brake B, a wire feeding disc wire channel wheel, a transmission bevel gear A, a transmission bevel gear B, a connecting rod shaft, a wire meshing air cylinder and an air cylinder tail tip. The utility model has the beneficial effects that the core transmission chain can reduce the transmission stage number and shorten the maintenance time; quick braking response can be achieved, and the wire feeding length error is reduced; unification of power sources of wire feeding and wire biting actions is ensured, and signal delay is avoided; complex electric control synchronization in a traditional packer system is avoided, and the defect that packing is not compact or wires are wasted is overcome. Abrasion caused by frequent start and stop is reduced, faults caused by continuous operation of equipment are greatly reduced, and maintenance cost and shutdown loss are also greatly reduced.

This invention relates to a cylindrical self-resetting rotating energy-dissipating and vibration-damping support component, comprising two interlocking upper and lower semi-circular sleeves and core columns inserted at both ends of the semi-circular sleeves. A baffle plate is welded to the middle of the core column, abutting against the inner wall of the semi-circular sleeve. A support connector is provided at the tail end. A set of disc springs is threaded onto each core column before and after the baffle plate. A rotating nut is threaded to the head of each core column. An annular friction plate, abutting against the inner wall of the semi-circular sleeve, is welded circumferentially to the end of the rotating nut near the disc spring. A torsion steel pipe is fixedly connected between the rotating nuts. A threaded groove II, matching the threaded groove I at the head of the core column, is formed inside the rotating nut. Threaded groove I and threaded groove II are aligned to form an outer pipe. An inner pipe is formed in the inner wall of the rotating nut, communicating with the outer pipe and containing ball bearings. This energy-dissipating and vibration-damping support component is simple to manufacture, low in cost, easy to install and replace, and can be built into building partitions without occupying extra building space, making it economical and reliable.

The invention provides a multi-modal loyalty illusion detection method and system based on closed-loop multi-dimensional verification, and belongs to the technical field of large visual language models.The method comprises the steps that S1, a user instruction input into an LLM and an answer of the LLM are decomposed into structured units; s2, through a collaborative mode of LLM and a visual tool, calculating consistency scores of assertions from three dimensions of text-instruction consistency, text-image consistency and logic consistency, binding all verification results with a unique evidence ID, and determining that the assertions without evidence support are unknown; s3, executing type exclusive calibration on the consistency score, and generating a unified illusion score H through weighted fusion; and S4, providing a traceable evidence support for the detection result, and triggering a discarding mechanism when the evidence is insufficient, so as to ensure the credibility and practical value of the detection result. According to the method, accurate detection of three types of illusions of instruction inconsistency, text-image separation and logic inconsistency is realized.

The invention discloses a switch parameter automatic configuration method suitable for an intelligent power distribution terminal, and relates to the technical field of intelligent power distribution automation. According to the method, a double-model collaborative architecture is adopted, during starting, a first model encodes a terminal model and scene information into a two-dimensional feature matrix through a pre-trained CNN model, exclusive standardized configuration is generated and issued, and an interface of a second model is reserved and then closed; the second model outputs dynamic configuration parameters by taking throughput maximization and time delay minimization as double targets based on working condition data acquired in real time through a Transform model improved by an attention mechanism, and online adaptive optimization of the model is realized by utilizing a hierarchical updating strategy; when the terminal is closed, the second model feeds back common working condition characteristics, and when the terminal is restarted, the first model CNN model database is updated. According to the valve, adaptability and superiority under multiple working condition scenes are achieved through a double-model collaborative architecture, and wide application value is achieved.

The application discloses an implementation method of a cross-platform cloud keyboard, which comprises the following steps: formulating a cross-platform keyboard protocol for defining and unifying the key code table, key type, name, size, position and transparency of the cloud keyboard on various platforms; the key type comprises a common keyboard key, a mouse key, a scroll wheel key and a handle key; generating a plurality of common keyboards according to the keyboard protocol and common data used by the keyboard; saving the keyboard data in the cloud for users to download; after downloading, the keyboard data is parsed and drawn according to the keyboard protocol and then is displayed to the users for use; creating a custom keyboard or modifying an existing keyboard according to the keyboard protocol; saving the created or modified keyboard data to the cloud; and requesting the keyboard list of the user saved in the cloud by the client through a user identity ID, so that the user can select, use and share the keyboard list. The application can unify the cross-end effect of the custom keyboard, has high flexibility and applicability, and meets the personalized needs of users on various platforms.

This disclosure provides data processing methods, apparatus, devices, and storage media, relating to the field of data processing technology, and particularly to the field of cloud computing. The specific implementation scheme is as follows: a server receives configuration request information, the configuration request information including first program version information of a target application; the server obtains target configuration data associated with the first program version information of the target application; the server generates target code artifacts for the target application based on the target configuration data in a target development environment matching the target application. In this way, automatic code generation is achieved on the server side, reducing labor costs and improving development efficiency; at the same time, it effectively ensures the consistency of code style.

The seed cultivation tray for crop breeding is applied to the field of seed cultivation and comprises a water storage base, fixing frames are symmetrically installed on the two sides of the water storage base, nuts are embedded in the fixing frames, screw rods are connected to the interiors of the nuts in a threaded mode, the bottom ends of the screw rods are rotationally connected with a base through bearings, and the base is provided with a water inlet and a water outlet. A placement plate is placed at the top of the water storage base, a cultivation cavity is integrally formed in the placement plate in an injection molding mode, a push plate is placed in the cultivation cavity, connecting rods are symmetrically installed at the bottom of the push plate, the other ends of the connecting rods extend into the water storage base, and through holes are formed in the surface of the cultivation cavity. The device can have a horizontal plane adjusting function, guarantees the uniformity of internal seed cultivation, improves the seed cultivation quality, is good in flexibility, can facilitate the taking of seedlings, is simple and labor-saving in operation, improves the working efficiency of workers, and is high in practicability.

The application discloses a stripping device for self-adapting different specifications of wire harnesses, comprising a rack, a clamping assembly for clamping the wire harness is arranged on the rack, a driving assembly is arranged on one side of the clamping assembly, a sliding plate and a supporting plate are slidably arranged on the driving assembly, a ball spline is pivotally arranged on the sliding plate, the ball spline is provided with at least a spline shaft and a spline sleeve, the spline sleeve can rotate under the action of a rotating assembly; a cutting frame is fixedly arranged on the spline shaft, a bolt is fixedly arranged on the cutting frame, a transmission arm is pivotally arranged on the bolt, a cutting knife is fixedly arranged on one end of the transmission arm, a connecting arm is pivotally arranged on the other end of the transmission arm, a connecting seat is fixedly arranged on the spline sleeve, and the other end of the connecting arm is pivotally arranged on the connecting seat; a moving assembly for driving the sliding plate to slide and a telescopic assembly for driving the spline shaft to perform telescopic movement are further arranged on the rack. The application has the beneficial effects that the device is compact in structure, reasonable in layout, highly integrated, small in occupied space, applicable to various specifications of wire harnesses, capable of accurately limiting the stripping length of the wire harness, greatly improving the yield and accuracy, and wide in applicability.

The application provides a fine-grained facial expression digital human portrait generation method and system based on consistent identity recognition, and relates to the technical field of computer vision and digital human, wherein the method comprises the following steps: non-contact collection of multi-angle expression images and infrared light reflection signals in a virtual reality environment, conversion of the multi-angle expression images and the infrared light reflection signals into texture and depth electrical signals, and preprocessing of the texture and depth electrical signals to obtain purified expression data; then separation of identity features and noisy expression features through an automatic encoder, reconstruction of the identity features and the noisy expression features through decoding to obtain pure fine-grained expression features; then generation of enhanced local expression features based on a consistent attention mechanism according to eye and mouth region weight distribution, fusion of the enhanced local expression features and the identity features into expression-driven features with consistent identity, and finally driving of a three-dimensional face model to generate a digital human portrait with consistent identity and expression details. The application improves the realism and identity stability of expression interaction in virtual reality.

This invention discloses an adaptive generation method for financial vouchers based on an intelligent rule engine, comprising the following steps: S1. Constructing and configuring an intelligent rule engine; S2. Maintaining financial-related data of material master data and setting basic data for special business operations; S3. Executing corresponding business processing flows according to business scenarios and automatically generating corresponding financial vouchers and updating inventory valuation information. This invention pre-configures data according to financial control needs and different inventory management application scenarios, adaptively constructing the data required for financial vouchers. It automatically generates financial vouchers while executing business operations such as goods movement, thereby dynamically realizing business-finance linkage and inventory valuation management in various business scenarios. This not only meets the complex daily business management needs of enterprises but also ensures data consistency and the unification of business data and financial results, assisting enterprises in digital transformation and enhancing their core competitiveness.

The application discloses a low-voltage area distribution network fault diagnosis method based on light storage equipment trusted access, and belongs to the technical field of power grid fault diagnosis. The steps comprise the following: in a trusted computing environment constructed by a security chip, a protocol deep analysis is performed on a data packet of a light storage equipment to obtain trusted standardized data; a minimum feature subset required for fault diagnosis is dynamically selected based on a maximum correlation minimum redundancy algorithm, and encrypted transmission is collected to obtain efficient sensing data; the efficient sensing data is fused with historical fault cases to construct an edge fault diagnosis knowledge unit; when a fault occurs, the edge fault diagnosis knowledge unit is used to perform parallel execution of fault type rapid identification and power supply recovery potential pre-evaluation. The application adopts protocol deep analysis and a trusted computing environment, can ensure the integrity and security of non-standard access data, and dynamically optimizes the dimension of measurement data through a maximum correlation minimum redundancy algorithm, thereby improving the real-time performance and efficiency of fault type rapid identification and power supply recovery potential pre-evaluation.

The invention provides a positioning method and device based on a space-time reference, electronic equipment and a storage medium. The method comprises the steps of obtaining a first positioning parameter of Beidou positioning and a second positioning parameter of Bluetooth positioning in response to determining that the terminal equipment is located in a transition area between an outdoor area and an indoor area; determining an initial reference point position of an outdoor reference point in the Beidou positioning system if a joint positioning condition is satisfied according to the first positioning parameter and the second positioning parameter, and determining a target base station position of a Bluetooth base station in the Beidou positioning system based on the initial reference point position; taking the initial reference point position and the target base station position as initial edge network equipment positions, and determining a combined target edge network equipment position; and determining a first position of the terminal device in the Beidou positioning system and a second position of the terminal device relative to the Bluetooth base station based on the position of the target edge network device, and performing fusion processing on the first position and the second position to obtain a target position of the terminal device.

The application discloses a kind of civil affairs relief business digitization management and accurate service method and system, it is related to civil affairs relief digitization management service technical field, first, the related data of relief of multiple departments such as civil affairs, public security, medical insurance, social security, housing construction, emergency management is gathered, and after standardization cleaning, difference privacy desensitization, the full-dimension portrait library of relief object is constructed;After receiving relief application, first, call rule engine to complete policy compliance preliminary check, then call pre-trained AI implicit difficulty identification model to complete recheck, after passing double-layer verification, match global relief resource margin to generate individualized relief service list, carry out whole cycle state monitoring to the object in protection, and automatically adjust relief grade according to difficulty change.The application does not need the crowd to run and issue certificate in multiple departments, greatly reduces the threshold of relief application, double-layer verification mechanism effectively reduces the problem of wrong protection and missing protection, active discovery mechanism covers special groups with weak information acquisition ability, and the adaptability of relief resources is greatly improved.

The application discloses a sampling device for winding sample filaments on a winding drum, comprising a supporting seat, a glue dipping assembly, an adjusting assembly and a shearing assembly; the glue dipping assembly is used for glue dipping treatment of the sample filaments; the winding assembly comprises a rotating shaft and a plurality of supporting pieces, the rotating shaft is rotationally arranged on the supporting seat, the plurality of supporting pieces are located on the circumferential outer side of the rotating shaft and can slide along the radial direction of the rotating shaft respectively, and the winding drum is sleeved on the outer side of the plurality of supporting pieces; the adjusting assembly comprises a moving piece and a plurality of connecting pieces, and drives the supporting pieces to move close to or away from the rotating shaft; the shearing assembly is arranged on the supporting seat and can slide relative to the supporting seat along the axis direction of the rotating shaft to cut the sample filaments. The sampling operation of the device is completely performed by the device, the participation of manual operation is minimized, the uniformity of the sampling process is ensured, the sampling sample is prevented from having differences due to operation differences when manual sampling is performed, and the precision of sampling is ensured.

The utility model discloses a reinforcing steel bar detector with a probe for identifying distribution of a reinforcing steel bar mesh, which belongs to the technical field of reinforcing steel bar detection and comprises a sensor module and a host controller connected with the sensor module through a signal line. The sensor module comprises an electromagnetic induction module, an ultra-wideband radar module, an ultrasonic transducer, a frequency-mixing medium-frequency amplifying circuit, an orthogonal frequency-mixing filter circuit, an analog signal conditioning circuit, an A / D converter, a measurement module and a laser module; the electromagnetic induction module comprises a signal generation circuit, an induction coil and a signal acquisition circuit; the host controller comprises a microcontroller module, a data transmission module, an interface module, a clock module, a memory module, a USB port module and a power supply module. According to the utility model, the detection of the steel bar diameter and the steel bar burial depth in the building component is effectively realized, and the requirements in actual engineering detection are met.