149results about How to "Observe intuitively" patented technology

The invention provides a bone image superposition presentation method and system based on an augmented reality technology, and relates to the technical field of intelligent medical systems.The method comprises the steps that fracture image data for a fracture area of a patient are acquired, and the fracture image data comprise a CT image, an X-ray image and a light field image; analyzing a light model corresponding to the light field image; the light model provides propagation information of light in a fracture area space of a patient; determining multi-modal fusion features corresponding to the fracture image data based on a light model and a feature fusion network; the feature fusion network adopts a convolutional neural network; reconstructing a three-dimensional model of the fracture part based on the multi-modal fusion features; and aligning and calibrating the reconstructed three-dimensional model of the fracture part and the fracture area of the patient in the actual operation scene. Therefore, the augmented reality technology, the light model and the feature fusion network are comprehensively applied, the three-dimensional model of the fracture part is accurately overlaid and presented in real time in a real operation scene space, and the accuracy and efficiency of the operation can be remarkably improved.

The invention discloses a new energy boost transformer abnormity early warning system and method, and the system comprises a data collection module which employs a sensor technology, a data collection card carries out the collection of the data of a new energy boost transformer, and carries out the early warning of the new energy boost transformer. The sensors comprise a temperature sensor, a voltage sensor, a current sensor, a vibration sensor and an oil level sensor. Feature vectors are selected by adopting a wavelet transform algorithm, a boost variation anomaly positioning model is established by adopting an improved artificial neural network to determine an anomaly position, parameters of an anomaly detection model are determined by adopting a genetic algorithm, and an anomaly type is judged. The MFE-TS model is established to optimize the objective function so as to improve the accuracy of new energy boost variation abnormity identification, the man-machine interaction module is adopted to display the abnormal position and the abnormal type on the user interface, and the new energy boost variation abnormity early warning capability is improved.

The invention provides a vehicle-mounted camera external parameter calibration method and device based on a vertical calibration plate. The method comprises the following steps: establishing the vertical calibration plate comprising a checkerboard target plate and an adjustable bracket; the vertical calibration plate is arranged in front of the vehicle-mounted camera to be calibrated, and the position of the adjustable support is adjusted so that the position of the checkerboard target plate can meet the set calibration condition; calculating physical coordinates of each angular point in the checkerboard target plate according to a given offset parameter of the adjustable bracket relative to the original point of the vehicle coordinate system and a checkerboard parameter; acquiring pixel coordinates of each angular point on the target plate image according to an angular point detection algorithm; and calculating a rotation matrix initial value of the to-be-calibrated vehicle-mounted camera according to the physical coordinates and the pixel coordinates of all the angular points, and then adjusting the adjustable bracket to correct the rotation matrix initial value to obtain a final rotation matrix. According to the method, the calibration work of the external parameters of the camera can be quickly completed on site by only needing a small calibration plate without measuring the parameters from the target plate to the vehicle.

The invention relates to a rope tensile tension control method and system based on a tensiometer, and the method comprises the steps: carrying out the continuous pressurization of a to-be-detected rope, obtaining the tensile transient tension and the tensile critical tension of the to-be-detected rope through the tensiometer, obtaining the tensile change of the to-be-detected rope in the continuous pressurization process, and obtaining the tension value of the to-be-detected rope. Analyzing the stretching change relation between the pressurization load and the stretching tension of the to-be-detected rope by combining the corresponding stretching transient tension and the stretching critical tension, analyzing the dynamic deformation degree of the to-be-detected rope according to the stretching change relation, and determining the static deformation degree of the to-be-detected rope according to the static deformation degree under the constant pressure. And constructing a rope tension control model for analyzing the tensile tension of the to-be-detected rope, obtaining the actual hanging load of the to-be-detected rope, inputting the actual hanging load into the rope tension control model to analyze the actual deformation of the current hanging load, and adjusting and controlling the tensile tension of the to-be-detected rope according to the analysis result. The device has the effect of improving the test accuracy of the rope tensile tension.

The present invention discloses a safety valve detection device, including: an operating table and an assembly kit for fixing the safety valve, the operating table is equipped with multiple pairs of support columns, the top of the support columns is equipped with a horizontal plate, the horizontal plate is equipped with multiple sets of gas injection and pressurization mechanisms, the gas injection and pressurization mechanisms include a lifting and inflating head and a driving component for driving the lifting and inflating head to move up and down, a detection hole is provided on the operating table, the upper part of the driving component is connected to an air intake pipe, the air intake pipe is externally connected to an air pump, and the operating table is provided with an air pressure detection device connected to the detection hole. The present invention sets multiple sets of gas injection and pressurization mechanisms, cooperates with an assembly kit for fixing the safety valve, and the assembly kit can install and fix multiple safety valves at one time, and is placed on the gas injection and pressurization mechanism, so as to realize batch detection of multiple safety valves and save detection time.

The invention discloses a disease collection and presentation method based on a three-dimensional urban road. The method comprises the following steps: S1, building the three-dimensional urban road; s2, building a material library; road diseases are divided into expansion joints, linear cracks, blocky cracks, pits and fuzzy road marking lines according to the road disease types; step S3, a data acquisition step; s4, a road disease data analysis step; step S5, a data presentation step; reading road disease data in the database; and according to latitude and longitude data of the road diseases in the data, generating the road diseases of the corresponding contours at specified positions of the scene. Through the method provided by the invention, the urban road disease collected by the collection equipment is presented on the three-dimensional urban road, so that the appearance of the urban road is more truly restored, and road maintenance personnel can visually observe the type, the outline and the hazard degree of the road disease.

The utility model relates to the technical field of tunnel secondary lining trolleys, and discloses an intelligent tunnel secondary lining trolley which comprises a secondary lining trolley body, a frame body, an arch frame, supporting legs and guide wheels, the frame body, the arch frame, the supporting legs and the guide wheels are located on the secondary lining trolley body, guide rails are installed and arranged on the tunnel ground, and the guide wheels are slidably connected with the guide rails; a high-frequency pneumatic vibrator is mounted on the secondary lining trolley body, and a temperature sensor and an infrared camera are mounted on the frame body; through the arrangement of the pressure detector, the data transmitter, the temperature sensor and the infrared camera, the temperature in the tunnel can be detected in real time, the traditional step that workers need to climb to detect or carry out detection for multiple times is omitted, operation is simplified, the convenience is improved, the practicability is improved, and through the arrangement of the infrared camera, the detection efficiency is improved. And the infrared camera is connected with the display terminal, so that workers who are not on site can observe more intuitively, construction operation of the secondary lining trolley can be commanded better, and use is convenient.

The invention relates to a power supply fault detection method and system for air conditioning equipment, and the method comprises the steps: obtaining a mainboard voltage detection value, a transformer voltage detection value and a plug voltage detection value of the air conditioning equipment in a power-on state, and carrying out the data cleaning processing, and obtaining the preprocessed air conditioning operation data, drawing a power supply phase waveform among a mainboard, a transformer and a power plug of the air conditioning equipment, analyzing a power supply phase sequence balance relation of the air conditioning equipment, and analyzing an abnormal power supply phase sequence by combining historical fault data of the air conditioning equipment and the power supply phase sequence balance relation; and according to the analysis result, constructing a power supply fault analysis model for analyzing the power supply fault of the air conditioning equipment, and performing power supply fault analysis on the power supply phase data in the power supply fault state of the air conditioning equipment through the power supply fault analysis model to obtain power supply fault detection data corresponding to the current power supply fault phase. The method has the effect of improving the intelligent degree of power supply fault detection of the air conditioning equipment.

A chemical experiment training device is characterized in that in the actual use process, the chemical experiment training device in front of a training tutor is operated, a camera shooting assembly is turned on, a control device is operated, scenes shot by the camera shooting assembly are presented on a plurality of display screens, a moving assembly is operated, and a lighting assembly is moved between the display screens and a first visual window; according to the utility model, a scene above the first visual window is illuminated, and experiment operation is carried out right above the first visual window, so that students can observe on the corresponding display screens, and training is completed; the scene on the experiment table in one chemical experiment training device can be presented on the display screens in other chemical experiment training devices, so that more students can be trained at one time; the operation process is carried out above the first visual window illuminated by the illumination assembly, so that the observation is more convenient; in general, by using the chemical experiment training device, more students can be trained at a time, and the training effect is better.

The invention relates to a hydropower station simulation data display method and device, electronic equipment and a medium, and belongs to the technical field of data processing.The method comprises the steps that a target scene is obtained; the target scene is a scene selected by a user from a plurality of preset hydropower station scenes; obtaining target equipment in the target scene and target simulation data corresponding to the target equipment; and displaying the target scene, the target equipment in the target scene and the target simulation data corresponding to the target equipment. According to the method, the equipment and the simulation data corresponding to the equipment are displayed in the hydropower station scene, so that a user can more intuitively know the simulation data of each piece of equipment.

The utility model relates to the technical field of end socket processing, and discloses an end socket die which comprises a main body mechanism and a processing mechanism, the processing mechanism is located above the main body mechanism, and the main body mechanism comprises a device main body, a positioning die, a movable plate, an electric push rod, a movable baffle, a positioning piece, a telescopic rod, a movable spring and a butt joint elastic plate. The positioning mold is fixedly installed at the upper end of the device body, the movable plate is movably installed at the lower end of the inner side of the positioning mold, the outer surface of the movable plate is slidably connected with the inner surface of the positioning mold, the electric push rod is fixedly installed at the lower end of the inner side of the device body, and the movable baffle is movably installed at the transmission end of the electric push rod. And the positioning sheet is fixedly mounted at the upper end of the movable baffle plate. According to the die for the end socket, the pressure borne by the die can be effectively relieved when the die is used, the machined end socket can be automatically popped out after machining is completed, and the die is more convenient to use.

The utility model relates to the technical field of side surface limiting devices, and discloses a side surface limiting device based on zero point positioning, which comprises a zero point positioning base, a zero point positioning shaft, a mounting plate, a storage table, a side surface limiting mechanism and a flexible clamp. During use, a workpiece needing to be machined is placed on the storage table, and the storage table is mounted corresponding to the zero-point positioning shaft, so that the zero-point positioning shaft is more accurate; and meanwhile, the side faces of the workpiece are clamped and limited through side face limiting mechanisms arranged on the four sides of the storage table. By the adoption of the structure, during machining, a workpiece can be effectively clamped and limited directly through the side face limiting mechanisms arranged on the four sides, and it is avoided that precision is reduced due to multiple times of reversing; and the flexible clamp is adopted to be matched with various workpieces for clamping and limiting, and the wide application range is achieved.

The present invention relates to a deep learning arrhythmia classification method based on two-dimensional images, and belongs to the technical field of medical signal processing. The method comprises: classifying one-dimensional original electrocardiogram signals into abnormal intervals and abnormal amplitudes; performing two-dimensional imaging processing on one-dimensional electrocardiogram signals with abnormal intervals and abnormal amplitudes; dividing the obtained two-dimensional image set into a training set and a test set in a ratio of 7:3, with no crossover data between them; using transfer learning to transfer the relevant parameters of the trained and adjusted VGG16 network model to a new data set for training; and outputting the arrhythmia classification result corresponding to the current target electrocardiogram signal. The present invention can improve the classification accuracy of arrhythmia.

The utility model relates to the technical field of medical instruments, and provides a main end operating table of an interventional surgical robot, which comprises an operating table body, a display component, a translation sliding handle and a push rotating handle, the display assembly, the translation sliding handle and the push rotating handle are arranged on the operation table body. The interventional surgical robot adjusts the action according to the linear displacement of the translation sliding handle and the angular displacement of the pushing rotating handle; the linear displacement resistance of the translation sliding handle and / or the angular displacement resistance of the pushing rotating handle are / is in positive correlation with the action resistance of the interventional operation machine. By arranging components such as the display and the handle, on one hand, linear displacement and angular displacement of the handle are respectively associated with action resistance of the interventional operation robot, the perceptual resistance in the operation process is improved, the operation safety is improved, on the other hand, related states and information in the operation can be synchronously displayed, and the operation safety is improved. And a doctor can observe the whole process of the operation more intuitively.

The invention relates to a demonstration device of a microlens array, and belongs to an optical science popularization education instrument. According to the technical scheme, the demonstration device of the micro-lens array comprises a base, a rotating structure assembly, a lifting structure assembly, a micro-lens board and a miniature drawing board. An audience rotates the rotary structure assembly, and the micro lens board and the micro drawing board have similar periodic structures and are overlapped to form a Moire pattern. Therefore, the Moire magnification effect can be generated only by controlling the angle between the micro image-text board and the micro image-text board, and the micro image-text on the micro image-text board can be magnified and shrunk. The distance between the micro lens plate and the miniature drawing board is changed through the lifting structure assembly, the micro lens plate is composed of a tiny single lens, and according to the imaging principle of the single lens, when the object distance is smaller than the focal length, an upright and magnified virtual image is formed; when the object distance is between the double focal length and the double focal length, an inverted magnified real image is formed. According to the device, audiences can visually know the micro-lens imaging principle and the scientific principle and composition structure of the optical anti-counterfeiting technology, interactivity and interestingness are increased, and the situation that science and technology exhibition halls are lack of such demonstration devices is made up.

The utility model provides a visual periodontal therapeutic apparatus, which mainly comprises a handle, a working part fixed at one end of the handle, an optical lens arranged at the outlet position of a chute at the tail end of the working part in a sliding manner, and a bendable adjusting rod and an adjusting roller which are arranged in the chute. The optical lens is connected with the display device through a cable, so that periodontal internal conditions of a patient can be visually observed; one end of the bendable adjusting rod is connected with the optical lens, and the other end is provided with a rack structure; the adjusting roller is rotatably arranged on the handle and meshed with the rack structure, and part of the adjusting roller is exposed out of the surface of the handle to facilitate shifting. By shifting the adjusting roller, the bendable adjusting rod slides in the sliding groove to drive the optical lens to slide, so that the distance between the optical lens and the working tip of the working part is adjusted. The visual periodontal therapeutic apparatus is simple and convenient to operate, flexible to adjust and convenient for periodontal treatment.

The utility model relates to the technical field of liquid level detection, and discloses a liquid level detection mechanism and a container assembly, the liquid level detection mechanism is suitable for monitoring the liquid level of a material in a container, the container is installed on a base, and the liquid level detection mechanism comprises a magnetic part and a control part, the displacement in the height direction can be generated along with the change of the liquid level of the material in the container; the magnetic sensor is fixedly connected with the base, and the magnetic sensor is matched with the magnetic part so as to be suitable for detecting the height change of the magnetic part. According to the liquid level detection mechanism, the distance between the magnetic part and the magnetic sensor is changed by enabling the magnetic part to change in the height direction under the action of buoyancy, so that the magnetic sensor detects the change of a magnetic field, the liquid level is judged, the liquid level detection mechanism is not influenced by the consistency of materials and the judgment of naked eyes of an operator, and the accuracy of liquid level monitoring is improved.

The utility model discloses a penetration type mortar strength detection device which comprises an adjusting seat A, a fixing seat and a base, a supporting seat is slidably mounted at the top of the base, fixing frames are fixedly mounted on the outer side of the base, a fastening rod B is fixedly mounted between the fixing frames, the fixing seat is slidably mounted between the fastening rod B and the base, and a dial is slidably mounted on a movable column. A measuring rod is movably installed at the front end of the dial, an adjusting seat A is slidably installed between the fastening rods B, a pressing seat is movably installed at the bottom of the adjusting seat A through a rotating rod, and a fastening rod A is slidably installed between the adjusting seat A and the pressing seat. Through mutual cooperation of the pressing seat, the supporting seat and the movable seat, strength detection of mortar is facilitated, a detection area is adjusted in cooperation with the movable seat, detection efficiency is improved, through mutual cooperation of the movable column, the dial and the measuring rod, the flatness of the mortar is measured through the measuring rod, and diversity is improved.

The application discloses a kind of auxiliary devices for semen collection, it is related to the technical field of male medical examination, including disposable collection cylinder, the rear side of disposable collection cylinder is provided with triangular plate, the left and right sides of triangular plate are provided with adjustable auxiliary mechanism, the top of disposable collection cylinder is provided with sound blocking mechanism, the rear side of triangular plate is symmetrically provided with opening sleeve plate left and right, disposable collection cylinder can quickly restore to vertical state in clamped state after semen collection is completed, on the one hand, compared with the current artificial hand-held disposable collection cylinder semen collection mode, the structure used in the present scheme can release the hands of patient during semen collection, to facilitate better semen collection, on the other hand, after semen collection is completed, disposable collection cylinder can be quickly restored to vertical state, so that the semen in disposable collection cylinder can be prevented from leaking to the maximum extent.

The utility model relates to the technical field of teaching equipment, and discloses a forced vibration and resonance phenomenon demonstration device which comprises an adjusting base, a resonance rod base, a fixing block, a resonance rod, a balancing weight, a motor and a driving source, the resonance rod base is connected to the adjusting base, the fixing block is detachably connected to the resonance rod base, the fixing block is provided with a fixing groove, and the balancing weight is arranged in the fixing groove. The balancing weight is provided with a balancing weight groove, one end of the resonance rod is connected with the fixing groove, the other end of the resonance rod is connected with the balancing weight groove, the motor is fixedly connected to the adjusting base, the driving source is connected with the motor, a connecting mechanism is fixedly arranged on the resonance rod base, and one end of the connecting mechanism is rotatably connected with the output end of the motor. According to the forced vibration and resonance phenomenon demonstration device provided by the utility model, the driving force frequency is displayed by continuously adjusting and setting the driving source, so that students can visually see the relationship between the driving force frequency and the inherent frequency displayed by the demonstration device, and the demonstration device is helpful to understand the meaning of a resonance curve.

The utility model relates to the technical field of water-soluble fertilizer production equipment, in particular to a water-soluble fertilizer production mechanism with a liftable feed inlet, which comprises a crushing cylinder and a crushing box, the feed inlet is arranged at the upper end of the crushing box, a connecting pipe is fixedly mounted at the side end of the feed inlet, a feeding cylinder is fixedly mounted at the side end of the connecting pipe, and a discharging cylinder is fixedly mounted at the side end of the feeding cylinder. A first feeding opening is formed in the side end of the feeding cylinder. Wherein the feeding cylinder is a semi-open type cylinder, and the first feeding opening is connected with the connecting pipe in a penetrating mode; a lifting cylinder is slidably mounted in the feeding cylinder, and a second feeding opening is formed in the side end of the lifting cylinder. And lifting threaded rods are rotationally mounted on the two sides of the feeding barrel correspondingly. The lifting cylinder of the water-soluble fertilizer production mechanism is designed to be liftable, so that raw materials are fed and do not need to be manually carried to a high place in the production process of the water-soluble fertilizer, the labor intensity is greatly reduced, and the working efficiency of water-soluble fertilizer production is effectively improved.

The utility model discloses a wiring device for erecting a power transmission cable, which comprises a mounting frame, and a base is mounted at the bottom end of the mounting frame; a lifting mechanism is arranged in the mounting frame, and an adjusting mechanism is arranged at the top end of the mounting frame; wherein the lifting mechanism comprises a rotating frame rotationally connected to the top end of the mounting frame, a screw rod is in threaded connection between the interior of the mounting frame and the rotating frame, a lifting plate is rotationally connected to the bottom end of the screw rod, a carrying plate is rotationally connected to the top end of the screw rod, and semicircular grooves are symmetrically formed in the inner side of the mounting frame; fixing pipes are symmetrically mounted in the lifting plate, and a round rod is slidably connected into one end of each fixing pipe, so that the effect of accurately adjusting the carrying plate can be achieved, a worker can conveniently perform wiring adjustment according to the actual wiring height requirement of the cable, the cable connection efficiency is greatly improved, and the practicability is high. And compared with a multi-group bolt and nut fixing mode in the prior art, the method is more convenient.

The utility model discloses an alarm receiving response system of a nuclear power plant, which comprises a business server, an alarm terminal, a master control alarm receiving terminal and a plurality of response alarm receiving terminals, and is characterized in that the alarm terminal reports alarm information to the master control alarm receiving terminal through the business server according to the input of a first user; the main control alarm receiving terminal matches corresponding indication information through the service server according to the alarm information and an instruction of a second user and sends the alarm information and the indication information to a corresponding response alarm receiving terminal, and the response alarm receiving terminal displays the alarm information and the indication information through the service server. And the execution response information of the corresponding fire-fighting action card is returned to the main control alarm receiving terminal. By implementing the technical scheme of the utility model, fire-fighting, security and occupational medical personnel can check alarm condition information and indication information through the response alarm receiving terminal, so that golden rescue time is won for the alarm condition, and command and dispatch personnel in a master control room can intuitively observe the alarm receiving response condition through the master control alarm receiving terminal.

The invention discloses a system and a method for testing electroacoustic indexes of a phonocardiogram instrument, and belongs to the technical field of phonocardiograms. The system comprises a phonocardiogram instrument, a signal generator, a power amplifier, a sound source calibrator, a standard sensor, a signal acquisition card and an upper computer test module, the signal generator and the power amplifier are connected to form a test sound source, and the sound source calibrator calibrates the test sound source; the standard sensor and the phonocardiogram instrument are placed at the same position and are used for receiving a signal sent by the test sound source and converting the received sound signal into an electric signal; the signal acquisition card is respectively connected with the standard sensor and the phonocardiogram instrument and is used for converting the electric signal into a digital signal; and the upper computer test module is connected with the signal acquisition card and is used for processing and analyzing the converted digital signal so as to measure the signal-to-noise ratio and frequency response of the phonocardiogram instrument and carry out sensitivity test. The system provided by the invention can quickly and conveniently test the electroacoustic index of the phonocardiogram.

The utility model relates to wardrobe technical field, and disclose a kind of wardrobe of built-in rotary clothes storage mechanism, cabinet body inside is provided with a rotary clothes storage room and two side cabinets, rotary clothes storage room inside slidingly is provided with inner vertical plate, and the front surface of inner vertical plate is slidably connected with top plate, and the front surface of inner vertical plate is provided with lifting assembly that pushes top plate longitudinal sliding, and the bottom of rotary clothes storage room is provided with telescopic component that pushes inner vertical plate horizontal sliding;Top plate is installed with rotary clothes storage mechanism.The wardrobe of built-in rotary clothes storage mechanism, by the cooperation of telescopic component and lifting assembly, the automatic extension and height adjustment of rotary clothes storage mechanism are realized, effectively solve the problem that traditional wardrobe space is fixed, clothes is stacked, so that different length of clothes can be reasonably hung, significantly improve space utilization, adopt rotary clothes storage mechanism design, by servo motor drive carousel overall rotation, cooperate with micro speed reducer motor and drive single clothes hanger autorotation, realize the omni-directional dynamic display of clothes.

The invention relates to the technical field of mechanical sealing, and discloses a pump bearing mechanical sealing structure which comprises a pump outer shell. The movable shaft is rotationally mounted in the pump outer shell; the mounting seat is fixed in the pump outer shell; the static sealing seat is fixed in the pump outer shell; the static sealing ring is arranged on the static sealing seat; the dynamic sealing structure is arranged in the pump outer shell, and the dynamic sealing structure is matched with the static sealing ring to form mechanical sealing; and the mounting bracket is fixed in the pump outer shell. By arranging the dynamic sealing structure, after the pump body stops working, the dynamic sealing ring and the static sealing ring are separated from each other through a series of mechanical operations, the dynamic sealing ring and the static sealing ring can be conveniently and thoroughly washed and cleaned, then impurities attached to the dynamic sealing ring and the static sealing ring can be effectively removed by introducing water to a specific part and utilizing the flowing effect of water flow, and the service life of the pump body is prolonged. Therefore, abrasion of the impurities to the sealing ring is avoided.

The invention provides a state fluctuation visual detection device and a control method thereof. The state fluctuation visual detection device comprises a threshold value setting module and a detection module, wherein the threshold value setting module comprises at least one timer unit for setting preset fluctuation time and at least one range setting unit for setting a fluctuation range threshold value; the detection module comprises a plurality of detection units and probes corresponding to the plurality of detection units; a main control module and a display module; the main control module is respectively connected with the threshold setting module and the detection module and is used for acquiring the state parameters and the fluctuation range threshold and determining a fluctuation result according to the state parameters and the fluctuation range threshold; and the display module is used for acquiring and displaying the state parameters and acquiring and displaying the fluctuation result. Through the state fluctuation visual detection device provided by the embodiment of the invention, a user can intuitively observe the state fluctuation condition without manually recording the environment condition, and automation of state fluctuation detection is realized.

The invention provides an NFC technology-based positionable prostate biopsy puncture needle, which comprises a biopsy puncture needle body, the outer surface of one end of the biopsy puncture needle body is sleeved with a biopsy puncture needle fixing device, and the biopsy puncture needle fixing device comprises a biopsy puncture needle sensor fixing frame and a biopsy puncture needle sensor fixing seat; the biopsy puncture needle sensor fixing frame and the biopsy puncture needle sensor fixing seat are fixedly connected to the outer surface of the biopsy puncture needle body in a sleeving mode through screws, the upper end of the biopsy puncture needle sensor fixing seat is fixedly connected with a biopsy puncture needle positioning sensor in a threaded mode, and an NFC module is arranged in the biopsy puncture needle sensor fixing seat. According to the arrangement, the puncture position of the biopsy puncture needle body is tracked and positioned through the magnetic positioning instrument sensor, the conversion relation between the magnetic positioning instrument sensor and the biopsy puncture needle head is stored and read through the NFC module, a data image three-dimensional model of preoperative magnetic resonance scanning of a patient is matched, and a real organ model can be simulated through a computer; therefore, the puncture position of the biopsy puncture needle body is visually displayed in a three-dimensional mode, observation is more visual, operation errors are reduced, and operation safety is improved.