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87results about How to "Time consuming to solve" patented technology

Plant disease identification method and system based on unsupervised category incremental learning, and storage medium

The invention discloses a plant disease identification method and system based on unsupervised category incremental learning, and a storage medium, relates to the technical field of plant disease identification, and aims to solve the problems that an existing deep learning model cannot meet the application requirements of real-time updating and optimization of the model, the timeliness is poor, and the efficiency is high. And the problem of failure of the class incremental learning strategy when the new class data is not labeled by the label exists. Comprising the following steps: S1, dividing a data set into category sets of a plurality of stages according to categories; s2, performing interpolation between the image of the current task and the random image uniformly sampled and selected from the cache region of the old category data by using a hybrid playback algorithm to generate a synthetic sample; s3, constructing a SimSiam model which comprises two identical neural network branches and shared parameters of the two branches, constructing a loss function based on the negative cosine similarity of the two network branches, and training the SimSiam model in multiple stages; s4, evaluating the performance of the model based on a KNN algorithm; and S5, classifying the plant diseases by adopting the trained SimSiam model.
Owner:HARBIN INST OF TECH

Three-dimensional model rendering method and device, medium and equipment

The invention provides a three-dimensional model rendering method and device, a medium and equipment, and the method comprises the steps: carrying out the basic PBR rendering based on an initial three-dimensional model and a chartlet, and obtaining a basic three-dimensional model; in a surface shader, creating a fast subsurface scattering algorithm with simple light transmission based on dot product custom of a normal and a light source direction, and calculating the basic three-dimensional model based on the fast subsurface scattering algorithm to obtain approximate scattering parameters; and performing rendering optimization on the basic three-dimensional model according to the approximate scattering parameters, and outputting the optimized three-dimensional model. The rendering effect can be optimized.
Owner:BEIJING XUEDIRUANJIAN DEVELOPMENT CO LTD

Die box replacing tool

The utility model discloses a mould box replacing tool which is used for replacing a mould box installed on a bottom plate, an elastic piece is arranged between the mould box and the bottom plate, the elastic piece is used for locking the mould box on the bottom plate, and the mould box replacing tool comprises a supporting plate, a clamping plate and a clamping plate, the two pressing plates are arranged below the supporting plate in a spaced mode in the first direction, the two pressing plates extend in the second direction and are perpendicular to the supporting plate, and the second direction is perpendicular to the first direction; the baffle extends in the second direction, the baffle is arranged between the two pressing plates, and the baffle is perpendicular to the supporting plate and the pressing plates; the handheld part is arranged above the supporting plate; the supporting plate, the two pressing plates and the baffle jointly define a cavity, the cavity is used for containing the mold box, and when the mold box enters the cavity, the two pressing plates can be pressed above the elastic pieces correspondingly so that the elastic pieces can generate elastic deformation. According to the utility model, the die box replacement time can be reduced, and the die box replacement efficiency is improved.
Owner:CHINA TOBACCO GUIZHOU IND

Metamorphic rock surface porosity analysis and evaluation method, device, equipment and medium

The invention discloses a metamorphic rock surface porosity analysis and evaluation method, device, equipment and medium, and relates to the technical field of petroleum logging reservoir evaluation, and the method comprises the steps: preprocessing a rock debris sample, scanning the preprocessed rock debris sample, and obtaining a rock debris sample image; performing identification detection on mineral and background color edges in the rock debris sample image and rock debris gap image segmentation to obtain rock debris particles, and determining the total area of the particles; performing threshold truncation on the rock debris particles by adopting a threshold segmentation method, calculating pore areas in the rock debris particles, identifying cracks in the rock debris particles by adopting a maximum likelihood method, calculating crack areas in the rock debris particles, and calculating pore and crack areas by utilizing the pore areas and the crack areas; and calculating the surface porosity based on the total particle area and the pore and crack area, and analyzing and evaluating the imaging logging crack interpretation result and the surface porosity to obtain an analysis and evaluation result. The metamorphic rock surface porosity analysis and evaluation accuracy and efficiency can be improved, and metamorphic rock surface porosity analysis and evaluation complexity can be reduced.
Owner:SINOPEC OILFIELD SERVICE CORPORATION +1

A device for easily rooting seedlings and its use method

The present invention belongs to the technical field of seedling cuttings, and discloses a device for breeding seedlings that are easy to root and cuttings and a method for using the device. The device comprises a seedling bed assembly, a heat preservation assembly is installed on the top of the seedling bed assembly, a matrix basket assembly is installed on the bottom of the seedling bed assembly, the seedling bed assembly comprises a seedling frame, two first chutes are arranged on the top of the seedling frame, both ends of the seedling frame are fixedly connected with a water tank box, two supporting feet are fixedly connected to the bottom of the two water tank boxes, one of the water tank boxes has two second chutes on the top, and the two second chutes are respectively connected to the corresponding first chutes. The device of the present invention can facilitate operators to load the matrix required for seedling cultivation into the base frame, and quickly inject water onto the matrix so that the matrix is ​​evenly in contact with the cuttings, thereby solving the problem that traditional matrix bagging is relatively time-consuming, and the device can be used for a long time and repeatedly.
Owner:YUNNAN ACAD OF FORESTRY

Power transmission equipment intelligent inspection method and system based on three-dimensional modeling

The invention discloses a power transmission equipment intelligent inspection method and system based on three-dimensional modeling, and belongs to the technical field of power transmission equipment intelligent inspection, and the method comprises the steps: obtaining the operation data and topological data of power transmission equipment, and carrying out the three-dimensional modeling based on a pre-established three-dimensional modeling model according to the topological data and equipment data, obtaining a three-dimensional model of the power transmission equipment; based on the three-dimensional model, formulating a fault inspection route for the to-be-inspected equipment, and checking whether the fault inspection route meets requirements or not; and if yes, controlling inspection equipment, and inspecting the to-be-inspected equipment according to the inspection route. According to the method, the power transmission equipment of various structures can be effectively inspected, the inspection route can be quickly formulated by using the established model, and conventional inspection can be carried out, so that the normal operation of the power transmission equipment is ensured, and the loss caused by faults is avoided.
Owner:GUIZHOU POWER GRID CO LTD

Event-triggered neural network backstepping control method for dual-Duffing MEMS gyroscope with state constraint

The invention relates to an event-triggered neural network backstepping control method for a double-Duffing MEMS gyroscope with state constraint, and belongs to the technical field of MEMS gyroscope control. The method comprises the following steps: carrying out mathematical modeling on the dual-Duffing MEMS gyroscope, and introducing a digital signal processing (DSP) method to carry out dynamic analysis on the dual-Duffing MEMS gyroscope; in an event-triggered neural network backstepping controller, a tracking error, an acceleration function and an acceleration error of the event-triggered neural network backstepping controller are defined; designing a plurality of integral obstacle Lyapunov candidate functions, the control input of a controller and the adaptive rate according to the tracking error, the acceleration function and the acceleration error, estimating a nonlinear unknown function through a type 2 sequence fuzzy neural network, and solving the problem of virtual control rate differential item explosion through an acceleration second-order tracking differentiator; and establishing an event triggering mechanism based on a switching threshold strategy to assist the controller in performing event triggering neural network backstepping control. According to the method, the problems of chaotic oscillation, state constraint, uncertain interference, communication burden and the like in the system are solved.
Owner:GUIZHOU UNIV

Method for predicting disease through circular RNA based on graph neural network

The invention relates to the technical field of bioinformatics, and provides a CDA prediction model composed of an original channel and an interaction channel. The method comprises the following steps: firstly, acquiring original data from two open source databases of circ2Disease and circR2Disease; the method comprises the following steps: processing original data, screening out human circRNA and disease association, constructing a sparse matrix, carrying out multiple similarity calculations based on the sparse matrix to obtain initial features, and then entering two channels: extracting high-order features and retaining important information by using a double-attention mechanism in a channel I; in the second channel, degree segmentation and Wave modules are used, and potential information association of different sample features is fused. And then, the information of the two channels is integrated through a channel fusion module to generate final output, and finally, a model with optimal performance is found through five-fold cross validation and evaluation indexes. Experimental results based on two data sets show that the performance of the model in a CDA prediction task is superior to that of an existing method, and further case research and generalization analysis verify the effectiveness and wide applicability of the model.
Owner:HARBIN UNIV OF SCI & TECH

Beverage production method and device, beverage machine and storage medium

PendingCN119655620AAvoid repeated accuracy verificationAvoid accuracy verificationBeverage vesselsProcess engineeringIndustrial engineering
The embodiment of the invention discloses a beverage production method and device, a beverage machine and a storage medium. The method comprises the following steps: a first single-path production step: under the condition that a current target beverage adopts a first target verification pipeline, controlling only one first target verification pipeline to perform single-path production; a multi-path production step: controlling a first specific pipeline required by the current target beverage to perform multi-path production; an integral accumulation verification step: when the difference value between the actual production quantity after the multi-path production step and the preset production quantity meets the production error requirement, accumulating the integral of each first specific pipeline of the multi-path production step; and verifying whether the production precision of the first target verification pipeline of each first single-path production step meets a preset precision requirement or not. According to the scheme, precision verification can be automatically triggered through pipeline integration, and the problems that the difficulty of manual judgment of pipelines with poor production precision is large, and consumed time is long are effectively solved.
Owner:SUZHOU MEGAROBO TECH CO LTD

Particle fluid index on-line measurement method in material rotary drum type disassembling and crushing process

The invention discloses a particle fluid index on-line measurement method in a material drum type disassembling and crushing process, which comprises the following steps of: acquiring an image of the disassembling and crushing process on line without shutdown in an operation process of drum type disassembling and crushing equipment by installing a camera; a particle area image is extracted in the step S2, the particle area image is divided into a plurality of particle area units in the step S3, and the contour data of the particle area units are obtained; the method comprises the following steps: extracting particle region images of two continuous frames of images in the disassembling and crushing process in the step S2, obtaining a dense displacement vector field by using a pyramid structure Siamese network model in the step S5, and then performing calculation. The particle size distribution data of the rotating drum of the rotating drum type disassembling and crushing equipment at the shooting moment of the disassembling and crushing process images and the particle flow velocity field of the rotating drum of the rotating drum type disassembling and crushing equipment at the shooting moment of two continuous frames of disassembling and crushing process images are obtained through online calculation, and the method has the advantages of being high in precision and speed.
Owner:CHINA NAT ELECTRIC APP RES INST

A fast analysis method for the clearability of supporting structures in any direction

The present invention discloses a method for rapid analysis of the clearability of a support structure in any direction. The steps of the present invention are as follows: Step 1. Voxelize a three-dimensional model for rapid judgment of the accessibility of separation points; Step 2. Rapidly generate a voxel path II approximating a straight line segment based on a three-dimensional Bresenham algorithm; Step 3. Parallel and efficiently detect the accessibility of all separation points of the three-dimensional model. The present invention solves the problem of limited and time-consuming clearing directions of support structures in 3D printed products, and supports rapid analysis of the clearability of support structures along any direction and optimized calculation of printing directions. The present invention extends the Bresenham algorithm to three-dimensional space, and can generate a voxel path approximating a straight line segment in any direction. The three-dimensional Bresenham algorithm is an integer traversal algorithm with a refined judgment formula. Not only is the amount of calculation small, but there is no cumulative error, which speeds up the search efficiency of the voxel path in step 1. Therefore, it is possible to quickly support the clearability analysis of support structures at any angle.
Owner:HANGZHOU DIANZI UNIV

Working platform based on wharf upper cross beam construction

The invention discloses a working platform for construction based on a wharf upper cross beam. The working platform for construction based on the wharf upper cross beam is simple in structure, convenient to construct, safe and reliable. The device comprises a supporting pipe body, a vertical framework structure and a bottom supporting platform, the supporting pipe body is fixed to an upper structure prefabricated part, the bottom supporting platform is fixed to an upper cross beam, the vertical framework structure comprises a supporting framework, and a plurality of hanging rings are arranged at the upper end of the supporting framework. The lifting rings are connected to the supporting pipe body in a sleeving mode, a plurality of half-moon-shaped hooks with upward openings are arranged at the lower end of the supporting framework, the half-moon-shaped hooks are connected to the bottom supporting platform in an inserted mode from bottom to top, and a protective barrier is arranged on the bottom supporting platform and connected with the supporting framework. The method is applied to the technical field of building construction.
Owner:POLY CHANGSHA PORT & SHIPPING ENG CO LTD +1

Radiator with insert substrate

ActiveCN224098044UEasy to install featuresGood disassembly functionCooling/ventilation/heating modificationsRubber ringInterference fit
The utility model relates to the technical field of thermal management, and discloses a radiator with an insert substrate, which comprises an insert substrate and radiating inserts, the top of the insert substrate is fixedly connected with a plurality of mounting seats, the bottom of each radiating insert is provided with a fixing component, the fixing component comprises a plurality of mounting columns, and the mounting columns are fixedly connected with the mounting seats. The multiple installation columns are fixedly connected to the bottoms of the heat dissipation insertion pieces, at least one rubber ring is fixedly connected to the outer side of each installation column, multiple installation holes are formed in the top of the installation base, grooves are formed in the installation holes, and heat dissipation fins are fixedly connected to the two sides of each heat dissipation insertion piece. According to the utility model, a sliding connection mode of the mounting columns and the mounting holes is adopted, and interference fit is formed through the rubber rings and the grooves, so that the functions of conveniently mounting and dismounting the heat dissipation insertion sheets are achieved. Compared with a traditional fixed installation mode, the design enables the heat dissipation inserting pieces to be rapidly replaced or adjusted, and the problem that the heat dissipation inserting pieces are tedious and time-consuming to replace in the prior art is solved.
Owner:MIANYANG TENGYUN TECH CO LTD

Highlight traceless injection molding mold for automobile instrument panel

The utility model discloses a highlight traceless injection molding mould of an automobile dashboard, which comprises a movable shell and a frame body, the movable shell is arranged in the middle of the frame body, both sides of the movable shell are fixedly provided with rotating rods, one end of each rotating rod is fixedly connected with the side part of the frame body through a bearing, both sides of the frame body are provided with supporting bins, and the supporting bins are fixedly connected with the rotating rods through bearings. A motor is arranged in the supporting bin, the output end of the motor is fixedly connected with the driving end of the rotating rod, a fixed mold bin is arranged at the upper end of the interior of the movable shell, guide grooves are formed in the two sides of the movable shell, a base is arranged at the bottom of the frame body, and guide blocks are arranged at the two ends of the upper portion of the base; and the guide blocks are slidably connected with the guide grooves, and a protection bin is arranged at the lower end of the interior of the movable shell. The mold is easy to clean, and the instrument board is convenient to take out.
Owner:TAIZHOU TENG NUO MOULD CO LTD

Screenshot method based on double locks

The invention relates to the technical field of image processing, in particular to a double-lock-based screenshot method, which comprises the following steps of: framing a video to obtain a plurality of images; determining image parameters; creating a thread pool; creating an AI recognition thread and a screenshot thread, and putting the threads into a thread pool; creating two locks in the memory; creating two memory spaces in a memory; defining a monitor of the AI recognition result, initializing the monitor, and transmitting an anonymous instance of the monitor to an AI recognition program; and executing a screenshot thread and an AI recognition thread according to the states of the two locks, storing and reading the screenshot by using the two memory spaces, and continuously carrying out operations of storing and reading the screenshot in a loop iteration manner. According to the method, the problems that the speed and the precision cannot be compatible during continuous screenshot in AI identification, and the AI identification of different contents is long in time consumption and poor in performance are solved.
Owner:JIANGSU VEDKANG MEDICAL SCI & TECH

Reliability assessment method for thermal fatigue life of thermal interface materials

This application provides a method for assessing the thermal fatigue life reliability of thermal interface materials. The method includes: applying boundary conditions and temperature loads to a simulation model of the thermal interface material; specifying the physical quantities of the thermal interface material to be output by the simulation model; and enabling the simulation model to perform simulation. Based on the simulation results, the method determines the thermal fatigue life reliability of the thermal interface material within a preset temperature variation range. This application solves the problem in related technologies where the assessment of the thermal fatigue life reliability of thermal interface materials relies on actual reliability testing after chip packaging, resulting in long processing times and high costs.
Owner:BEIJING LIRUI MICROELECTRONICS TECHNOLOGY CO LTD

A multimedia data processing method, communication device and readable storage medium

The present invention provides a multimedia data processing method, a communication device and a readable storage medium, wherein the multimedia data processing method comprises: determining a target object according to reference parameter information corresponding to at least two objects in a picture; intercepting the picture according to the target object; obtaining target multimedia data according to the intercepted picture; wherein the reference parameter information comprises: at least one of speech parameter information, identity parameter information and motion parameter information. This solution can realize the maximum degree of automatic cutting and greatly reduce time consumption, and well solves the problem of long time consumption of multimedia data processing solutions for video processing in the prior art.
Owner:MIGU CO LTD +1

A pipe pile quick docking and automatic welding equipment

The present invention relates to the technical field of pipe pile welding, and in particular to a pipe pile quick docking and automatic welding device, comprising a base frame, a positioning adjustment mechanism, a guide rail, a welding trolley and a control system, wherein the base frame is fixed to the pipe pile, the positioning adjustment mechanism is installed on the base frame to achieve quick docking of two pipe piles, the guide rail is installed on the positioning adjustment mechanism, and the welding trolley is arranged on the guide rail and can move along the circumferential direction of the guide rail to achieve automatic welding of two pipe piles; the present invention greatly reduces labor costs, improves welding efficiency and quality, and achieves quick welding and automatic welding.
Owner:SHANGHAI YAYUE INTELLIGENT TECH CO LTD

Machining process for guide vane of front-end steam compressor of gas turbine

The invention relates to the technical field of guide vane machining processes, and discloses a gas turbine front end steam compressor guide vane machining process which comprises the following steps of three-dimensional modeling, numerical simulation, creation of structured grids, setting of boundary conditions and initial conditions of simulation, analysis of simulation results and manufacturing of vane samples for testing. The design of the guide blade is optimized, a mold structure is designed, a detailed machining program is compiled, and a product is detected by three-coordinate measuring equipment; through the processing technology, the performance of the blade can be predicted, then the design is optimized, the efficiency and durability of the blade are improved, the problem of time consumption caused by repeated modification of a mathematical model and generation of a computational grid in a traditional method is also avoided, and the subsequent processing efficiency is improved.
Owner:NANTONG ZHONGNENG MACHINERY

Tumor margin design method based on local image of skin

ActiveCN122115200BBuild in real timeTime consuming to solve
The application relates to the technical field of image processors, and discloses a tumor incisal edge design method based on a skin local image. The method comprises the following steps: establishing a global space coordinate system associated with the skin of a patient; collecting a local image and a six-degree-of-freedom pose by using a handheld device integrated with a pose tracking function; projecting and fusing the image to a digital surface model in real time to generate a panoramic image; segmenting a tumor boundary by using a deep learning model, and generating a safe incisal edge path by outward expansion based on a geometric algorithm; and finally projecting the incisal edge to the skin surface in the form of structured light by using a built-in projection unit of the device. The application realizes high-precision and low-delay dynamic planning and visualized guidance of the tumor incisal edge, and improves the precision and efficiency of the operation.
Owner:THE NAVAL MEDICAL UNIV OF PLA

Batch upgrading method of inverter system, electronic equipment and storage medium

The invention relates to a batch upgrading method for an inverter system, electronic equipment and a storage medium, and the method comprises the steps: segmenting an upgrading package of an inverter, and obtaining a plurality of partial files; the plurality of partial files are broadcasted and transmitted to the inverter needing to be upgraded in batches in a broadcasting mode, after the inverter receives the plurality of partial files, the partial files are detected and assembled into an upgrade package, and the partial files detected to be abnormal are fed back through reply messages; receiving a reply message of the inverter to the missing part of the file; and responding to the reply message, and resending the missing part of the file to the corresponding inverter. Therefore, the problems that the number of inverters in an inverter system in the prior art is large, and time consumption is long when the inverters are upgraded one by one in a traditional mode are solved.
Owner:SOLAR POWER NETWORK TECHNOLOGY (ZHEJIANG) CO LTD

Method and apparatus for determining interaction capability, storage medium, and electronic device

The application discloses a method and device for determining interaction capability, a storage medium and an electronic device, relates to the technical field of smart home, and the method comprises the following steps: starting a recording task of an interactive voice between a target object and a voice interaction device at a first time point, wherein the first time point is an end time point of the target object issuing a wake-up audio to the voice interaction device; ending the recording task at a second time point to obtain audio response data of the voice interaction device between the first time point and the second time point, wherein the time difference between the second time point and the first time point is a preset time threshold, and the audio response data comprises a first response result of the voice interaction device to the wake-up audio, a response time of the voice interaction device to the wake-up audio, and a second response result of the voice interaction device to a voice instruction issued by the target object; and determining the interaction capability of the voice interaction device according to the audio response data.
Owner:HAIER YOUJIA INTELLIGENT TECH (BEIJING) CO LTD +2

A method for judging failure behavior of a time-scale-based SiC power MOSFET under single-pulse UIS

PendingCN122592140ASolve the problem of avalanche failure mechanism determination methodImprove the theoretical system of reliability assessment
The application discloses a kind of based on time scale SiC power MOSFET single pulse UIS failure behavior determination method, by in the single pulse non-clamping inductance switching test of SiC power MOSFET, determine the final avalanche resistance time, and then obtain the failure behavior of single pulse non-clamping inductance switching.The application solves the problem of avalanche failure mechanism determination method for SiC power MOSFET under single pulse non-clamping inductance switching.Perfect the reliability evaluation theory system of wide bandgap semiconductor device.Realize the quick prediction from macroscopic electrical parameter to microscopic physical failure, solve the problem of long time-consuming and destructive in the prior art, just need to extract "avalanche resistance time t av In macroscopic electrical test, the critical failure temperature and specific physical damage inside the device can be predicted, the failure behavior of SiC power MOSFET avalanche failure behavior is distinguished and classified, and the efficiency of failure analysis is greatly improved.
Owner:DALIAN MARITIME UNIVERSITY

Constant value remote dynamic operation and maintenance system and method

The invention discloses a constant value remote dynamic operation and maintenance system and method, and belongs to the technical field of intelligent substation operation and maintenance, and the system comprises a cloud cooperative control unit, an edge agent unit and a terminal constant value processing unit which construct a cooperative operation and maintenance architecture through a communication network. Wherein the cloud cooperative control unit is deployed in a regional regulation and control center, the edge agent unit is deployed in a field station, and the terminal constant value processing unit is integrated in a relay protection device. Constant value remote management is realized through a cloud side-end collaborative architecture, operation and maintenance personnel do not need to be on-site on duty, the problem of time consumption of going back and forth on site in a traditional mode is solved, and manpower and traffic costs are reduced; the whole course of constant value modification, checking and tracing is automatic, manual intervention is reduced, the single constant value adjustment period is shortened from several hours to the minute level, and the operation and maintenance response speed is improved.
Owner:HEBEI POWER TRANSMISSION & TRANSFORMATION +2

Method and device for detecting attitude of small target in dense crowd in real time and medium

The invention relates to the field of machine vision, and particularly discloses a real-time attitude detection method and device for small targets in dense crowds and a medium, a real-time attitude detection model is constructed by adopting a modified Alpharose framework, and the method specifically comprises the following steps: replacing an end side target detection algorithm in the Alpharose framework with a YOLOV10 algorithm; setting a human body detection confidence coefficient threshold value in the YOLOV10 algorithm as a minimum value; performing post-processing on the YOLOV10 algorithm by adopting a non-maximum suppression algorithm based on a CIOU loss function; and respectively carrying out skeleton point detection on n human body detection frames pointing to the same target through a Fastpose skeleton point detection network. By improving the post-processing logic of the human body detector and skeleton point detection, the small target posture detection is realized, the detection efficiency is high, and the target is not easy to lose.
Owner:GUANGZHOU BAOLUN ELECTRONICS CO LTD

Water quality evaluation method and device, computer equipment and storage medium

The invention relates to the technical field of water treatment, and discloses a water quality evaluation method and device, computer equipment and a storage medium. Performing comprehensive analysis on the water quality analysis result to determine the weight ratio of the water quality index in the water quality analysis result; determining a target index based on the weight ratio of the water quality index; and determining a water quality evaluation result based on the target evaluation model and the target index. According to the method, the weight ratio of the water quality indexes is objectively determined by obtaining the water quality analysis result in the target area and comprehensively analyzing the water quality analysis result, and the weight ratio of each water quality index can be more objectively determined by a weight distribution mode based on data driving, so that the target index can be conveniently determined, and the water quality evaluation model can be conveniently obtained; and the accuracy and objectivity of an output result are improved.
Owner:HUADIAN WATER TECH CO LTD

A front end B-ultrasonic visualized nasojejunal tube

The utility model discloses a front end B ultrasonic can develop nasal tube, including pipe body, put into guide wire and developing structure, the end of putting into guide wire is equipped with handle, the end of pipe body is equipped with the connecting joint, and developing structure sets up at the front end of pipe body, and the pipe cavity is opened in the pipe body, and the front end of putting into guide wire passes through connecting joint and extends into the pipe cavity, and developing structure includes developing ring, and developing ring is made of pure titanium metal material, and the outer periphery of pipe body is equipped with the scale ruler that has been coated, the utility model discloses a nasal tube through setting up the developing structure with the pure titanium metal developing ring at the front end of pipe body, and pure titanium metal is medical grade material, has excellent biological compatibility, and corrosion resistance, and can clearly develop under B ultrasonic, therefore when putting the nasal tube of the utility model into the pipe, the development of the front end developing ring can clearly judge the trend positioning of nasal tube under the guidance of B ultrasonic, realizes the whole process visualization of putting into the pipe, avoids the occurrence of ectopic adverse events to realize accurate positioning.
Owner:THE FIRST PEOPLES HOSPITAL OF FOSHAN

A special nail bed making device for PCB printing

The utility model discloses a kind of special nail bed manufacturing devices for PCB printing, it is related to PCB printing circuit board production auxiliary equipment technical field, including support mechanism, support mechanism includes stereoscopic frame, leveling assembly and top plate, the bottom four corners of stereoscopic frame are respectively installed with four leveling assemblies, the top of stereoscopic frame is installed with top plate, further include platform assembly and nail bed positioning mechanism, platform assembly contains platform, the upside of top plate is arranged with prop in rectangular array, the top of prop is fixedly connected with the bottom of platform, the top of platform is transversely provided with three nail bed assembling plates, the upside of platform is respectively fixedly connected with supporting leg corresponding to the position of every nail bed assembling plate four corners. The special nail bed manufacturing device for PCB printing, corresponding model special nail bed is made using the device, can be directly used when subsequent production, reduce the time of making nail bed, so as to can speed up production efficiency, reduce production cost, solve the problem of long time of printing making nail bed.
Owner:KAIPING ELEC & ELTEK CO LTD

A diesel engine exhaust gas purification processor

The utility model discloses a diesel engine tail gas purification treater belongs to tail gas purification treater technical field, the utility model discloses a first circular ring is installed on the shell, is equipped with the rectangular hole on the first circular ring, is installed with the second circular ring on the cover, is equipped with the mounting hole on the second circular ring, and the connecting assembly is set up on the second circular ring, is provided with the limit post on the connecting assembly, and the limit post is set up in T shape, and the limit post is through the rectangular hole, and the limit post after rotation and the bottom surface of first circular ring resist. The utility model discloses the cooperation between connecting assembly, limit post, first circular ring and rectangular hole has realized the quick dismounting between purification treater cover and shell, has solved the shell and cover of existing purification treater and adopt bolt connection mode fixed, and when installing and disassembling need the help of wrench and other tools, and the problem of tedious operation and time -consuming.
Owner:CHANGZHOU KAIHONG POWER MASCH CO LTD