48results about How to "Isolate interference" patented technology

The invention relates to the technical field of electronic devices, discloses a low-thermal-resistance insulation integrated top heat dissipation power device, and aims to solve the problems that a traditional power device is high in thermal resistance, insufficient in insulation reliability and complex in assembly. The device comprises a frame base island, an insulating layer, a SiC chip, a bonding aluminum wire, a pin, an injection molding body and a metal heat dissipation top cover, the insulating layer is a high-thermal-conductivity ceramic layer such as aluminum nitride, the thickness of the insulating layer is 20-150 micrometers, the insulating layer and the frame base island are integrated through high-temperature oxidation bonding, and the metal heat dissipation top cover is bonded with the insulating layer in a low-thermal-resistance mode. An external insulation part is not needed, the assembly process is simplified, an efficient heat dissipation channel is constructed, contact thermal resistance is reduced, meanwhile, wide-temperature-range insulation stability is guaranteed, long-term operation reliability and service life of the device are improved, and the structure is suitable for a high-power-density power electronic scene.

The application discloses a downhole multi-parameter logging device and belongs to the technical field of logging while drilling, comprising a drill collar, a battery module and a circuit module are respectively arranged at the two ends of the inner cavity of the drill collar and are axially fixed through locking modules, a metal centralizer is fixedly arranged in the inner cavity of the drill collar, a plurality of independent centralizing blocks are arranged at the center of the metal centralizer, the drill collar comprises a drill collar body, an antenna housing, a strip-shaped magnetic core and a coil, and stable signal transmission is guaranteed, the battery module comprises annular batteries and butterfly springs, can be replaced on site and has a damping function, the circuit module comprises resistivity, azimuth gamma and inclination measurement modules, is integrally designed and has strong anti-interference performance, the metal centralizer realizes self-adaptive centralizing through centrifugal force and hydraulic damping, and the independent centralizing blocks can compensate temperature errors, the device is stable in structure, is suitable for complex well conditions, is convenient to maintain and can realize accurate and synchronous measurement of multiple parameters, thereby providing reliable data support for logging while drilling.

The invention relates to the field of material surface treatment and machining, in particular to a method and device for directly preparing a copper alloy coating on the surface of a titanium alloy sealing rod. The process comprises the steps that firstly, cleaning and metal powder drying treatment are conducted on a sealing rod base material, and the base material is clamped on a rotary bearing mechanism in an adjusting box body; sealing the adjusting box body and filling inert gas to replace air until the oxygen content reaches the standard; the laser cladding mechanism is controlled to conduct scanning preheating on the surface of the base material in a non-powder-feeding state; then a powder feeding function is started, spiral high-speed laser cladding is carried out in cooperation with rotation of the base material and axial feeding of the cladding assembly, and closed-loop adjustment of the protective gas flow is carried out in the cladding process; and after cladding is completed, the base material is transferred into the heating furnace body in the box body to be subjected to post-treatment slow cooling, laser scanning preheating and in-furnace slow cooling are combined, atmosphere closed-loop control in a closed environment is matched, and the effect of restraining cracking and oxidation of a titanium alloy cladding layer is achieved.

The utility model relates to the field of agricultural machinery engineering technology discloses a leek field weed cleaning device, include: handle, for U type state, horizontal setting, U type middle part both sides can place the shoulder strap, shoulder strap, total two groups, through two groups of round magic paste and paste to handle, sliding rod, by a group of thick cylinder and a group of thin cylinder weld together, and place obliquely, and thick cylinder is fixed in handle middle part one side, and thin cylinder one end is provided with fixed mechanism, fixed rod, for cylinder cover, place obliquely, and its one end and the thin cylinder end of sliding rod sliding connection. The locking effect of sliding rod cooperation and fixed mechanism can quickly adjust the overall length of the device, adapt to different height users, the position adjustment of sliding blade and L type board can flexibly change the operation distance, accurately adapt to different row distance leek field, the shoulder strap is convenient for user to bear the device, reduces the handheld operation burden, the adjustment component is simple to operate, and can be stored and save space, improves overall operation efficiency and use safety.

The invention discloses a mine heavy truck weighing charging gate which comprises a rack, a mounting frame is horizontally arranged on the rack, a stock bin is arranged above the mounting frame, a metering discharging mechanism is slidably connected to the mounting frame, the metering discharging mechanism further comprises a metering tank slidably connected with the mounting frame, a weighing inner shell is arranged in the metering tank, and the weighing inner shell is arranged in the metering tank. The weighing inner shell is used for bearing materials; the weighing inner shell abuts against a weighing sensor fixed to the metering tank through a force transmission component, and a gap is reserved between the weighing inner shell and the inner wall of the metering tank. The metering discharging mechanism further comprises a dustproof assembly which slides synchronously with the metering tank, a discharging mechanism is arranged between the metering tank and the stock bin, and the discharging mechanism is used for guiding materials from the stock bin to the metering tank. The weighing function module, the discharging function module and the dust removal function module are integrated on the metering discharging mechanism capable of transversely sliding, and uniform material distribution and metering loading are achieved.

The invention relates to the technical field of coating spraying detection, and particularly discloses an external wall heat insulation coating spraying detection device based on an overhead working truck, which comprises a truck body, an extension arm is arranged on the truck body, a horizontal adjusting platform is rotatably arranged at the end part, far away from the truck body, of the extension arm, and a mounting platform is rotatably mounted on the horizontal adjusting platform; an adjusting mechanism is arranged on the horizontal adjusting platform, a detection cylinder is arranged on the mounting platform, and a detection assembly is arranged in the detection cylinder; after the operation vehicle body moves to the position below the detection area, the extension arm is controlled to extend the tail end to the target height, the mounting platform is driven to rotate through the adjusting mechanism on the horizontal adjusting platform so that the mounting platform can be kept perpendicular to the wall surface, and then the detection cylinder on the mounting platform is controlled to be close to the wall surface; and detecting the micro-porosity of the coating by using an internal detection assembly.

This utility model relates to the field of biomedical technology and discloses a professional shaker for gynecological liquid-based cytopathology, comprising a base, an outer shell, an inner shell, and a support assembly. A vibrating base plate is mounted on the top of the base, and a vibrating assembly is mounted on the bottom of the vibrating base plate, located within the inner cavity of the base. The outer shell is mounted on the top surface of the vibrating base plate, and a top cover is detachably connected to the top of the outer shell. A first magnetic connection part is mounted on the bottom of the inner side wall of the outer shell. The inner shell is located within the inner cavity of the outer shell, and a second magnetic connection part is mounted on the bottom of the outer side wall of the inner shell, magnetically connected to the first magnetic connection part. The top of the inner shell contacts the top cover. The support assembly is mounted on the inner wall of the inner shell, and several cell fluid tubes are detachably connected to the support assembly. This utility model enables precise vibration and temperature control, allowing for the simultaneous and efficient processing of multiple gynecological samples, thus improving work efficiency.

The invention provides a pollutant spatial distribution and blow-off and tempering limit measurement method based on a flat flame burner, and relates to the technical field of combustion experiment measurement. According to the method, on the basis of a flat-flame burner, a quartz cover is arranged above the flat-flame burner to form a locally-closed space, and a long-strip-shaped measuring window is formed in the side face; an X-Y plane movable precision probe structure is arranged on the outer side of the window, so that the tip of the sampling probe can extend into a region adjacent to the flame at any coordinate point in the window plane; a camera is arranged on the outer side of the quartz cover, and a camera pixel coordinate probe physical coordinate conversion relation is established through calibration; controlling the probe to move point by point according to a preset scanning path, synchronously collecting pollutant concentration and flame images, and obtaining a pollutant two-dimensional or three-dimensional distribution field under a given working condition; parameters such as gas flow and air-fuel ratio are adjusted, the blow-off / tempering limit is approached and crossed, scanning is repeated at key nodes, and pollutant distribution characteristics in different combustion stability states are obtained.

The application discloses a magnetotelluric data processing system suitable for highland and cold conditions, relates to the technical field of data processing, and determines a magnetotelluric acquisition area under highland and cold conditions, arranges a plurality of sensing points in the area, establishes a local communication fence at the sensing points to acquire magnetotelluric data, establishes the distribution relationship of the local communication fence in the magnetotelluric acquisition area, analyzes and determines the position of a data aggregation point, determines all the sensing points around the data aggregation point, establishes the corresponding relationship between the data aggregation point and the surrounding sensing points, adjusts the sensing points based on the corresponding relationship, performs trusted verification on the sensing points initiating data upload applications, establishes a synchronization chain based on the verification result, associates the synchronization chain to a data processing platform for uploading magnetotelluric data, establishes a plurality of categories of processing components to perform data processing on the magnetotelluric data, realizes safe data uploading, and improves the data acquisition and processing efficiency.

The application discloses a rotating machinery fault diagnosis method based on delay-weighted visual graph and Netpro2vec, and belongs to the technical field of mechanical state monitoring and fault diagnosis. The method comprises the following steps: collecting a rotating machinery vibration signal; converting the signal into a delay-weighted visual graph, wherein, when judging whether two data points are visual, adjacent nodes of the two data points are ignored, and a weight is assigned to a visual edge, and the weight is defined as the minimum vertical distance between the two points and all data points therebetween; based on the graph, a low-dimensional feature vector is extracted by using the Netpro2vec method, specifically, a word sequence is generated by calculating a node distance distribution and a transition matrix, and a document is formed, and then a vector representation is obtained by learning through a document embedding model; and finally, the feature vector is input into a classifier to obtain a diagnosis result. The application enhances the noise resistance through a delay mechanism, and finely depicts the signal structure through a weighting mechanism, so that the precision and robustness of fault diagnosis are significantly improved.

The utility model belongs to the technical field of building equipment, and particularly relates to an assembly type green building construction wall which comprises a construction wall body, and installation assemblies are arranged on the two sides of the construction wall body. The mounting assembly comprises a mounting block, and the mounting block is fixedly connected to one side of the construction wall body. According to the utility model, the mounting assembly is arranged, and the mounting block is matched with the mounting groove, so that during mounting, the mounting block of one construction wall body is aligned with the mounting groove of the other construction wall body to be inserted, and then the screw rod, the gasket and the nut are used for fixing. Compared with a complex installation structure of a traditional fabricated construction wall, the design is simpler to operate, common constructors can master the installation method through simple training, dependence on professional technicians is greatly reduced, meanwhile, installation time and labor cost are reduced, construction efficiency is improved, and the construction cost is reduced. And the modern fast-paced building construction requirements can be better met.

This utility model discloses a knife-anvil lifting structure for a slitting machine, relating to the field of cardboard processing equipment. It includes a frame with a knife-anvil and a knife beam horizontally positioned in the middle. Guide rails are provided on both sides of the frame. Knife-anvil supports are mounted at both ends of the knife-anvil, slidably connected to the guide rails via sliding blocks. Supports are provided on the sides of the knife-anvil supports, with slotted holes on their surfaces. A column is provided on the lower surface of the knife-anvil supports. Knife beam supports are mounted at both ends of the knife beam, rotatably connected to the frame via a rotating shaft. A support plate is mounted on the upper surface of the knife beam supports, with rollers rotatably connected to the sides of the support plate, the rollers contacting the column. A cylinder is fixedly connected to the bottom of the frame, with a hinge seat mounted on the piston rod end of the cylinder. The hinge seat is connected to the slotted holes via a pin. This utility model overcomes the shortcomings of existing technologies, effectively achieving convenient height adjustment and maintenance, and significantly improving equipment operating efficiency and stability.

This invention belongs to the field of sensor technology, specifically relating to an eddy current sensor system, including a signal conditioning circuit, a coaxial cable, and a probe-end circuit. The signal conditioning circuit includes a power amplification module for superimposing a DC bias voltage with an AC excitation signal to generate a mixed signal, which is then transmitted to the probe-end circuit via the coaxial cable. The probe-end circuit includes a series capacitor, a filter circuit, and a follower. The series capacitor couples an AC excitation signal from the mixed signal to drive the probe coil. The filter circuit extracts a DC bias voltage from the mixed signal to power the follower. The follower receives the impedance change signal of the probe coil and transmits it back to the signal conditioning circuit via the coaxial cable. This invention eliminates the influence of the distributed parameters of the coaxial cable on the probe characteristics. The length of the coaxial cable can be arbitrarily extended or shortened without re-matching and calibration. It also eliminates the output drift problem caused by bending of the coaxial cable and simplifies the system wiring complexity.

The invention discloses a winch traction system steering pulley stress detection device, which belongs to the technical field of electric power circuit construction, and comprises a main body, a connecting shaft rotatably mounted on the main body, and a movable arm connected with the main body and provided with a roller, and further comprises a pressure sensor arranged on a stress path of the connecting shaft, the traction force sensor is used for detecting traction force borne by the steering tackle; the control panel is arranged in the main body, is electrically connected with the pressure sensor and is used for processing the traction force data; the positioning module is integrated on the control panel and is used for acquiring the position information of the steering pulley; the original invisible mechanical state is converted into real-time and accurate digital information with a position label, it is guaranteed that the signals collected by the sensor truly reflect the axial traction force borne by the tackle, the processes such as downhole pre-preparation and real-time detection in operation are omitted, the time consumption of single-time operation is shortened, and the operation and maintenance efficiency is greatly improved.

The utility model relates to the cable field, and especially relates to a multichannel isolation shielding cable comprising a cable core, a composite shielding layer, a filling layer and a protection layer, the composite shielding layer wraps the cable core, and the filling layer is filled between the composite shielding layer and the protection layer; the composite shielding layer comprises an inner shielding layer, an insulating layer and a shielding tape layer, the inner shielding layer wraps the outer side of the cable core, the insulating layer wraps the outer side of the inner shielding layer, the shielding tape layer wraps the insulating layer, and a bonding layer is arranged on the side, making contact with the insulating layer, of the shielding tape layer. According to the utility model, near-field coupling and frequency band cross interference among the wire cores can be effectively reduced, and the anti-interference capability of the cable is significantly improved.

This invention relates to an in-memory computing circuit in the field of integrated circuits, and particularly to a multifunctional in-memory computing circuit and chip based on a 9T1C-SRAM cell. The multifunctional in-memory computing circuit includes five NMOS transistors N1-N5, four PMOS transistors P1-P4, and a capacitor C0. P1, P2, N1, and N2 form a latch structure; N3 controls row-direction read / write operations via word line WL and bit line BL; P3, P4, N4, and N5 are used to implement Boolean logic write-back, row-direction read / write, and multiply-accumulate functions. This invention's multifunctional in-memory computing circuit simultaneously supports Boolean logic write-back, signed multiply-accumulate (MAC) operations, and bidirectional row and column read / write, achieving deep integration of logical operations, arithmetic operations, and data movement within the same memory cell.

This utility model belongs to the field of metrology technology, and in particular to a hydropower station level gauge calibration device, including a U-shaped barrel. A side-mounted level gauge and / or a standard level transmitter probe are installed on one side of the barrel. The side-mounted level gauge is connected to the bottom of one side of the U-shaped barrel. The probe of the standard level transmitter is installed inside the bottom of one side of the U-shaped barrel. The level gauge to be measured is installed at the top of the other side of the U-shaped barrel. This device changes the traditional single-barrel calibration to a double-barrel U-shaped structure with connected bottoms. Based on the principle of communicating vessels, the influence of the standard level transmitter probe on the water level can be reduced. The U-shaped barrel automatically balances the liquid levels on both sides through the principle of communicating vessels, and the change in liquid volume is evenly distributed on both sides. This allows the level gauge to be measured to be inserted inside the other side of the U-shaped barrel, thereby increasing measurement accuracy and reducing errors.

The utility model discloses an air-breathing type detection device adopts integral injection molding technology to combine the convex design of air inlet pipe and air outlet pipe, simplifies the die structure, reduces the manufacturing cost, selects lightweight high strength nylon material for the cavity, realizes compact layout while guaranteeing the structural stability, adapts to the installation demand of narrow space, at the same time, through the external air inlet pipe and air outlet pipe structure, the conventional replacement and maintenance of dust screen do not need to open the cavity, greatly simplify the consumable replacement process, significantly improve the maintenance efficiency, and through the double sealing structure between the cover body and the box body and the secondary sealing design of PCB board, construct multilevel protective barrier, effectively isolate external environment interference, reduce the dependence on sensor sensitivity, ensure the detection accuracy while reducing the overall cost of equipment, and the application has the advantages of high sealing performance, high maintainability, compact structure, high performance, low cost and the like, is easy to assemble, disassemble and overhaul, and significantly improves the comprehensive performance and practical value of the detection device.

The utility model relates to industrial automation technical field discloses an industrial standard gas automatic proportioning device, including the cabinet body, the cabinet body inside is physically divided into the gas confluence area of upper part and the electrical control area of lower part, be provided with a plurality of parallel gas treatment branch in the gas confluence area, operation and display panel, set up in the front side of electrical control area, mixer, including outer mixing cylinder and inner mixing cylinder, the lateral wall of outer mixing cylinder is set up with a plurality of communicating holes, a plurality of communicating holes with the export of a plurality of gas treatment branch are linked, back pressure regulating valve, its installation in the export of outer mixing cylinder, in the utility model, through setting back pressure regulating valve, the working environment of core flowmeter is stabilized, and the proportioning precision is promoted, simultaneously, the safety interlock design of its normally closed valve, cooperate electrolytic polishing pipeline and metal face seal joint, on the basis that realizes active safety protection, guarantees the high purity of mixed gas again.

This invention discloses a fertilizer coating device, belonging to the field of fertilizer coating technology. It includes a fluidizing chamber with a discharge port at the bottom, providing a coating area; a discharge chamber located at the bottom of the fluidizing chamber, with at least a portion of the fluidizing chamber located inside the discharge chamber; and a spraying element rotatably disposed inside the discharge chamber, comprising a conical surface; a first spray groove on the conical surface; and a second spray groove on the radial outer wall of the spraying element. When the conical surface blocks the discharge port, the spraying element sprays gas into the bottom of the fluidizing chamber through the first spray groove and into the side walls of the fluidizing chamber through the second spray groove. This invention utilizes a double-groove spraying element with a circulating airflow path to construct a three-dimensional fluidization field, combined with multi-nozzle atomization spraying at the top, resulting in uniform coating thickness and no missed spraying. The conical surface also functions as a sealing and guiding element. Precise cylinder lifting and positioning, reliable gear transmission, and a combination of rail groove fitting and elastic sealing structure ensure smooth, uninterrupted movement.

The utility model relates to the technical field of detection equipment, and discloses a detection test device, which comprises an aluminum electrolysis cell and an anode carbon block, an electrode distance detection assembly is arranged in the aluminum electrolysis cell, the electrode distance detection assembly comprises a guide pipe fixedly connected in the aluminum electrolysis cell, the bottom surface of the guide pipe is fixedly connected with a filter pipe, and the filter pipe is fixedly connected with the anode carbon block. A floating ball is slidably arranged in the filter pipe, mounting blocks are oppositely arranged in the filter pipe, abutting blocks are fixedly connected to the surfaces of the ends, away from the filter pipe, of the mounting blocks, a measurement display disc is in threaded connection with the surface of the top of the guide pipe, and a connecting block is fixedly connected to the surface of the bottom of the measurement display disc. According to the utility model, through the arrangement of the polar distance detection assembly, continuous, real-time and accurate monitoring of the polar distance is realized, when the measurement display panel is dismounted through threads, crystal impurities on the pipe wall can be scraped, and the floating ball can be taken out of the guide pipe, so that the synchronous operation of pipeline cleaning and floating ball maintenance is realized.

The invention belongs to the technical field of oil and gas equipment, and discloses a torque test tool and a test method. The torque testing tool comprises a first transmission piece and a second transmission piece which are connected with each other, the first transmission piece is provided with a sensing section located between the clamping section and the connecting part, and the sensing section is provided with a measuring unit. The torque measuring method comprises the following steps: connecting the two transmission pieces in a threaded manner; the first clamping section and the second clamping section are respectively clamped by a clamping assembly of the spinning equipment; the power output part drives the clamping assembly to perform spinning operation, so that the first transmission piece rotates relative to the second transmission piece; the torque generated by rotation between the first transmission piece and the second transmission piece is measured through a measuring unit arranged on the sensing section. The measuring unit is arranged on the sensing section outside the clamping area, interference of clamping deformation on measurement is effectively isolated, accurate and stable measurement of dynamic torque under the real spinning working condition is achieved, and the device and the method are particularly suitable for torque testing scenes of equipment with compact upper and lower clamping assembly spacing such as iron roughneck and the like.

The application discloses a kind of point cloud data processing method and device, it is related to computer vision technical field, the method includes: according to the original three-dimensional point cloud data of target object, the three-dimensional point cloud data corresponding to the guiding part of target object is determined;According to the three-dimensional point cloud data corresponding to guiding part, the space orientation of original three-dimensional point cloud data is corrected, and first three-dimensional point cloud data is obtained;The three-dimensional point cloud data corresponding to guiding part in first three-dimensional point cloud data is eliminated, and second three-dimensional point cloud data is obtained;From second three-dimensional point cloud data, extract the middle axis skeleton point cloud data;Based on middle axis skeleton point cloud data, determine point cloud rotation parameter;Based on point cloud rotation parameter, first three-dimensional point cloud data is rotated, and normalized three-dimensional point cloud data is obtained.The application can improve the precision of point cloud data normalization, to meet the demand of high-precision modeling or automated measurement.

The application discloses a kind of based on query enhancement relation big model's main steam temperature prediction method and system, belong to thermal power plant thermal control and intelligent prediction field.The method utilizes multi-scale feature refining module to construct multi-resolution feature pyramid by frequency domain cycle identification and hierarchical pooling, realize the noise suppression and feature enhancement of noisy industrial time series data;Phase perception double query modeling module adopts time query and relationship query double parallel structure, respectively extracts global cycle priori and variable dynamic physical coupling dependence, and realizes feature adaptive cooperation by phase guide gate fusion;Adaptive prediction module completes main steam temperature multi-step prediction and uncertainty quantification.Through the modeling paradigm of feature refining and relationship discovery decoupling, the problem that traditional method is sensitive to non-stationary disturbance under AGC flexible peak shaving scene, it is difficult to consider prediction accuracy and robustness, provides reliable technical support for safe and economic operation of coal-fired unit.

The invention belongs to the technical field of feeding machines, and relates to a mechanical pressure compensation device and method of a feeding machine. Comprising a feeding machine which is arranged above a base through a weighing sensor; the feeding machine compensation flexible connection is arranged between the feeding machine and the base; the first feeding valve is arranged above a feeding hole of the feeding machine; the feeding flexible connection is connected between the first feeding valve and the second feeding valve; and the first pressure equalizing pipe is communicated with the inner cavity of the feeder compensation flexible connector and the inner cavity of the feeding flexible connector. By means of the structural design, the influence of pressure fluctuation on weighing precision is compensated, and high-precision continuous weighing in the feeding and conveying process of the feeding machine is ensured.

This invention relates to the field of new energy vehicle motor manufacturing, and discloses a milling control system for the rear end cover of a new energy motor, including a central control module, a positioning and detection module, an environmental preprocessing module, a vision and laser detection module, a milling execution module, and a data storage module. The positioning and detection module determines the clamping state through both air static pressure values ​​and fluctuation rates; the environmental preprocessing module cleans the workpiece surface before detection using a directional air cutter and a protective shutter; the central control module generates tool compensation parameters based on collected geometric features, combined with a thermal error model and historical machining trends; the milling execution module triggers a spindle speed fluctuation strategy based on the load current variance and executes cutting. This invention employs a closed-loop control logic of semi-finishing, cleaning, measurement, compensation, and finishing, solving the impact of clamping deformation, environmental interference, and cutting chatter on machining accuracy, and improving the dimensional consistency of the finished product.

The utility model relates to technical field of sound box, concretely relates to modular sound box combination's magnetic attraction type splicing shell structure, including modular sound box main part, modular sound box main part is by rear side casing, the loudspeaker of installing on rear side casing rear side board body and the rear side cover of magnetic attraction connection between rear side casing are composed, the exposed chamber that is all linked with the outside in the front side and top of rear side casing is provided with, the left and right sides chamber wall on the front end part of exposed chamber all are fixedly installed with two guiding blocks of up and down, the front side is provided with the magnetic attraction slot of outside communication in guiding block, the inside surface of vertical section board body of rear side cover is fixedly installed with left and right two groups of strong magnet, and strong magnet inserts to magnetic attraction slot and is connected between guiding block magnetically, and the top board body of rear side cover covers on the top surface of rear side casing, and the left and right sides board body between rear side casing is provided with the anti -magnetic interference board. The utility model can carry out magnetic attraction type splicing, and the convenient assembly and disassembly.

The invention relates to the technical field of image processing, in particular to an equipment cluster target information positioning method based on a neural network model, and the method comprises the following steps: 1, obtaining an operation instruction of target equipment and video information corresponding to the operation instruction, and generating an operation sample; collecting a plurality of operation samples for each type of operation instruction, and generating an operation sample data set corresponding to the operation instruction; 2, acquiring image information of an operation panel of the target equipment, and generating three-dimensional modeling information of the operation panel based on a point cloud algorithm; 3, inputting the operation sample data set into the feature extraction network model; and 4, correspondingly mapping the targets in the target instruction set into the three-dimensional modeling information, and generating target mapping information of the operation instruction in the real world. According to the scheme, the intelligent identification and positioning of the equipment operation state and the target information can be realized without carrying out any physical transformation on the equipment or obtaining the authorization of an original factory interface.

The embodiment of the application provides a multiplex card holder and a mobile terminal, the multiplex card holder is used for being installed in a card slot of the mobile terminal, and the multiplex card holder comprises a card holder body, an antenna, a feeding point and a feeding point, at least one SIM card insertion cavity is arranged on the card holder body, the antenna is at least formed on one side end surface of the card holder body along a thickness direction, the antenna is arranged along an outer periphery of the SIM card insertion cavity, the feeding point and the feeding point are arranged on an outer side wall of the card holder body, the feeding point is electrically connected with a radiation end of the antenna, and the feeding point is electrically connected with a grounding point of the antenna, wherein the feeding point and the feeding point are configured to be electrically connected with corresponding contact points of the mobile terminal, by arranging the antenna on the card holder body, the antenna setting position limit can be reduced, the antenna performance is improved, and the anti-interference capability is enhanced.

This application provides a gas path system, relating to the fields of gas path technology, ion migration technology, substance detection technology, or other technical fields. The gas path system includes: a sampling gas path, comprising a sampling port, an exhaust port, and a cap-shaped component capable of covering the sampling port and exhaust port; and an internal circulation gas path, connected to the sampling gas path via a selectively permeable membrane. Depending on the state of the cap-shaped component, the gas path system is configured to have corresponding operating modes, including at least one of the following: when the cap-shaped component is in the closed state, the cap-shaped component is configured to cover the sampling port and exhaust port to isolate external gas, and the sampling gas path self-circulates without sampling; when the cap-shaped component is in the open state, sample gas can enter the sampling gas path from the sampling port, wherein at least a portion of the sample gas passes through the selectively permeable membrane into the internal circulation gas path, and the remaining portion is discharged through the exhaust port. This application also provides an ion migration device and a detection method.