48results about How to "Solve inspection problems" patented technology

The invention relates to an intelligent rail state patrolling device and method. The patrolling device comprises a camera shooting unit, a control unit and a data analyzing and processing unit, wherein the camera shooting unit comprises a light source, a liner camera and a laser displacement sensor; the light source is used for providing illumination; the liner camera takes photos and collects rail plane image data under the control of the control unit; the laser displacement sensor collects rail vertical direction displacement data under the control of the control unit; the data analyzing and processing unit receives the collected rail plane image data and the rail vertical direction displacement data under the control of the control unit, and a 3D modeling technology is adopted to perform data synthetizing on the rail plane image data and the rail vertical direction displacement data to form a rail perspective mold, so that a three-dimensional perspective drawing of real rail state is output, and patrolling is convenient. According to the patrolling device provided by the invention, the rail plane image data and rail vertical direction displacement data are collected at the same time, and a manner of a mold is adopted to restore the complete and continuous real rail state, so that the efficiency, the accuracy and the reliability of rail patrolling are improved.

The present invention provides a three-dimensional model processing method, a server and a computer readable storage medium. The objective of the invention is to improve the efficiency in the processes of design, installation and maintenance of a device. The method comprises: obtaining the first three-dimensional model of a distributed energy station through a server; obtaining attribute information, operation information and space attribute information of each device included in the first three-dimensional model through the server; storing the attribute information, operation information and space attribute information of each device and the first three-dimensional model in a database through the server; and performing optimization of the first three-dimensional model through the server to generate a three-dimensional model file capable of being identified and applied in an AR / VR terminal device.

The invention provides a power plant inspection system and a control method thereof, and belongs to the technical field of inspection robots. The system comprises an inspection robot which can move ina power plant for inspection, a fixed-point detection module arranged on to-be-detected equipment of the power plant and used for detecting corresponding information of the to-be-detected equipment at the fixed point, and a monitoring center in signal connection with the inspection robot and the fixed-point detection module and used to send a detection instruction to the fixed-point detection module and the inspection robot and receive and process information received by the fixed-point detection module and the inspection robot. Movable inspection is combined with fixed point detection, practical inspection needs of a production site are met, the difficulty in inspection of a tower type boiler can be overcome, and big data and Internet of Things technologies are combined to realize intelligent operation and maintenance and improve the operation and maintenance efficiency, and equipment in a main workshop is monitored in real time, and early warning against equipment faults is achieved.

The invention discloses a detection method for a steel structure member. The method is characterized in that: a detected member is actually measured by using an electronic total station to establish a three-dimensional line model matched with a design model; and the distance between corresponding points is measured to check whether each field interface meets a design requirement. The method comprises the following specific detection steps of: establishing a design model and a three-dimensional line model; measuring the distance between corresponding points; and correcting the member. Compared with the prior art, the detection method has the advantages of high detection accuracy, low cost, capability of solving the inspection problem of a complex member, convenience for detecting and short measuring time.

The present invention relates to a mobile HSE inspection method based on an explosion-proof hand-held terminal, mainly for solving the problems in the prior art that the HSE inspection of the enterprises is not standard and is not easy to supervise. According to the present invention and by the mobile HSE inspection method based on the explosion-proof hand-held terminal, users are connected with an HSE inspection platform via a network, thereby realizing the HSE inspection based on the explosion-proof hand-held terminal. The HSE inspection platform mainly comprises the network, a database system, an HSE inspection management system and a mobile HSE inspection application system, wherein the network is connected with the database system, the HSE inspection management system and the mobile HSE inspection application system separately, and the mobile HSE inspection application system exchanges data with the database system and the HSE inspection management system by at least one mode selected from data line, WiFi and 3G. By the technical scheme, the above problems are solved better, and the mobile HSE inspection method based on the explosion-proof hand-held terminal can be used in the HSE inspection of the enterprises.

The invention relates to a three-dimensional scanner technology-based embedded part position detection method. The method comprises steps: all embedded part central points are marked, three or more than three control reference points are selected from the embedded part central points, coordinates of the control reference points in a construction coordinate system are measured, a scanner is erected, positions with the embedded part central points are scanned, data of the scanner are read, numbers of the embedded part central points are marked according to the scanned data, a file is used for outputting coordinates of each point of the embedded part central points, the scanned data are converted into the construction coordinate system through the control reference points, and coordinate values of the embedded part central points in the construction coordinate system are obtained. According to the method of the invention, an accurate detection result can be obtained, a basis can be provided for detection and acceptance of a nuclear power construction wall and a bottom plate embedded part, the difficult problem of detecting positions of embedded parts, especially when the number of embedded parts is large, in the case of nuclear power construction can be solved, safety of detecting an overhead embedded part is improved, the detection is flexible, and field construction quality control requirements can be met.

The invention discloses finished PCB online maintenance equipment which comprises a PCB transmission mechanism, an automatic appearance detector, a repair station, an ultraviolet curing machine and anautomatic board collector. The equipment solves the technical problems existing in inspection and online repair operations of the finished PCB, so that the detection, repair, curing and collection operations of the PCB are automated, the operations of repair and curing are combined, the equipment space is saved, the automation degree of the process is improved, the treatment efficiency and speedare improved, the manual cost is reduced, the frequency of carrying the product backwards and forwards is decreased, and the problems of PCB mixing and surface scratching are solved. The invention further discloses a maintenance method. The method is a process for automatically detecting, repairing and recovering the PCB. The operating difficulty of PCB maintenance is reduced, the maintenance process is simplified, the maintenance cost is reduced, and effects of improving the efficiency and product quality, reducing the reject ratio and the like are achieved.

The invention provides an aircraft route segment fuel consumption range estimation method based on QAR data. The aircraft route segment fuel consumption range estimation method based on the QAR data comprises the steps that the QAR data are classified according to aircraft models and route segments to obtain QAR data samples of specific route segments of specific aircraft models; fuel consumption data are extracted from the QAR data samples and calculated, so that fuel consumption samples of the specific route segments of the specific aircraft models are composed; the mean value and standard deviation of the fuel consumption samples are calculated; a normality test is conducted on the fuel consumption samples; the minimum sample size is calculated with a given significance level and given estimated accuracy; the minimum sample size is checked; fuel consumption range estimation of the specific route segments of the specific aircraft models is conducted. According to the aircraft route segment fuel consumption range estimation method, the QAR data are classified according to the aircraft models and the route segments to conduct fuel consumption range estimation of the specific route segments of the specific aircraft models, and therefore the purpose of determining and checking the minimum sample size in the process of conducting fuel consumption range estimation of the specific route segments of the specific aircraft models through the QAR data is achieved under the circumstance that the sample size of the QAR data is limited.

The invention provides a method for ultrahigh frequency radiation characteristic simulation of an oil impregnated paper condenser sleeve end screen. The method comprises the following steps of: building a three-dimensional model of an oil impregnated paper condenser sleeve; performing grid initialization and self-adaptive sub grid division on the three-dimensional model on the basis of a finite-difference time-domain method; setting a simulation excitation source; installing a plurality of data observation points; obtaining collecting data, in positions of the data observation points, obtained in the simulation electromagnetic wave time domain spreading process in the preset time; and performing analysis according to the collecting data to obtain the ultrahigh frequency radiation characteristic of the oil impregnated paper condenser sleeve end screen. By the simulation method, the good fitting with the engineering practice can be realized. Compared with field tests, the method is safer and has better economic performance and higher feasibility. The invention also provides a simulation system realizing the method.

The invention belongs to the technical field of welding wire production, and particularly relates to a testing evaluation method for the welding wire copper plate quality. The testing evaluation method for the welding wire copper plate quality comprises the following steps of 1 testing of the welding wire copper plate quality, 2 testing of combined surface quality and 3 testing of the copper plate thickness. The testing evaluation method combines production and the user using effect, a set of feasible testing schemes and standards are built, and the effects of quality stability and client satisfaction are achieved.

The invention discloses a system for collecting any section of urine of a patient of a full-automatic urine detector. The system comprises a patient information system, a urine receiving system and a urine conveying system, wherein the patient information system is used for recording basic information of a patient and supplying a certificate allowing the urine of the patient to get into and out of the urine receiving system; the urine receiving system is used for automatically obtaining the urine of the patient through a urine receiver device; the urine conveying system is used for classifying the urine of the patient in order. According to the urine collection system, the freshness and the in-time checking of the urine can be fully guaranteed, and the effects of collecting the urine of a patient at any section and checking the urine are fundamentally achieved.

The invention relates to a steel quality guarantee book privacy protection and sharing method and system based on a block chain. The method comprises the steps that a block chain platform is constructed, and a steel production institution and a steel sales institution are accessed to the block chain platform based on unique identity authentication information; the block chain platform receives thesteel resource information, the quality guarantee information and the quality guarantee document description information which are signed and uploaded by the steel production institution, and storesthe encrypted quality guarantee document into a distributed document storage module; the block chain platform feeds back corresponding quality guarantee information when receiving a query request of the steel sales institution; and after receiving purchase confirmation information of the steel sales institution, the blockchain platform calls a corresponding encrypted quality guarantee document from the distributed file storage module in response to a download request and feeds back the encrypted quality guarantee document, and the encrypted quality guarantee document is downloaded by a purchased user after being decrypted. Compared with the prior art, the method has the advantages of high information security and the like.

The invention discloses a detection method for cysteine hydrochloride bacterial endotoxin. The method comprises the steps of: a. (I) weighing cysteine hydrochloride and sodium carbonate according to a mass ratio of 20:15-20:17 and performing mixing, adding bacterial endotoxin test water to make the concentration of the test article cysteine hydrochloride in the mixed solution at 100mg / ml; (II) diluting the test article cysteine hydrochloride to 1.25mg / ml-5mg / ml with bacterial endotoxin test water; b. taking a dynamic colorimetric method limulus amoebocyte lysate reagent, opening the reagent, then adding bacterial endotoxin test water to perform re-dissolution; and c. mixing 1.25mg / ml-5mg / ml test article cysteine hydrochloride with the re-dissolved limulus amoebocyte lysate reagent in step b at an equal volume, then putting the mixture into a reaction test tube and inserting the test tube into a dynamic test tube detector to calculate the content of endotoxin. The method provided by the invention avoids the disadvantages of animal pyrogen test methods, and has the advantages of strong repeatability, high sensitivity and simple operation.

The invention specifically relates to a power unit debugging system of a shore power supply. The system comprises a power unit, a shore power system simulating testing instrument, a voltage regulating transformer, a voltage stabilizing transformer, an AC contactor, a debugging power supply and an electric reactor; the AC contactor is used for controlling the connection and disconnection of a main circuit input line; the voltage regulating transformer is used for changing output voltage; the voltage stabilizing transformer supplies a safe and stable voltage source to the power unit; the electric reactor is used for detecting reactive current and testing load with energy conservation; the shore power system simulating testing instrument is used for detecting various fault points, settings of related parameters, various protections, and starting and stopping of the power unit, as well as PWM (Pulse-Width Modulation) wave sending. With the adoption of the power unit debugging system of the shore power supply, the debugging and inspection of the power unit of the shore power supply are realized, the damage rate of the power unit is reduced, the quality factors of each power unit of the shore power supply are increased, the overall efficiency of the shore power supply system is improved, and the stable running of the shore power supply is ensured.

The embodiment of the invention provides a verification system for the integrity of a configurable bill of material of a whole vehicle under a free matching condition. A principle that a certain specific function position of the whole vehicle is only related to a limited configuration family and a principle that any specific function position is most likely to have one material number are utilized; integrity analysis is carried out on the configurable BOMs of the multiple platforms and the multiple projects and the sub BOMs of the sub-projects of the multiple projects; the BOM of the mass datacan be interactively checked and approved according to the engineering vehicle type, the configuration relation and the rule matrix; The problem of checking the integrity of the mass BOM under the free matching condition is solved, the configurable BOM integrity checking under the free matching condition becomes possible, and the efficiency and accuracy of BOM integrity checking and checking under the free matching condition are improved.

The invention provides a fire-fighting operation and maintenance stage personnel anomaly detection device based on a semantic model. The device comprises a video processing module, a behavior judgmentmodule, a domain model extraction module, an operation and maintenance semantic model construction module, an abnormal behavior check module and a user interface module, and the video processing module is used for obtaining local video streams or live video stream information in an RSTP format; a server intercepts a video frame from each video stream at regular time, creates a working space to store the video frame and records a video frame timestamp and a video source; the behavior judgment module is used for realizing judgment of personnel behaviors in the image; the domain model extractionmodule is used for realizing sub-model extraction in the fire-fighting operation and maintenance field; the operation and maintenance semantic model construction module is used for constructing a fire-fighting operation and maintenance semantic model; the abnormal behavior checking module is used for checking spatial elements with abnormal behaviors in a building, and the user interface module isused for providing a function interface outwards. According to the device and the detection method, the functions of personnel behavior judgment, domain model extraction, operation and maintenance semantic model construction, abnormal behavior inspection and the like are realized.

The invention discloses an anhydrous test method for an ultrasonic flowmeter. The method comprises the steps of installing testing equipment on the ultrasonic flowmeter, wherein two test probes are in butt joint with ultrasonic transducers to be tested on the same sound path respectively, using a test cable for connecting the two test probes with an anhydrous tester, and conducting the anhydrous test for the ultrasonic flowmeter. By means of the method, the ultrasonic flowmeter can be used for testing the transducers, the connecting cable, an ultrasonic wave receiving and transmitting circuit, the sound velocity accuracy and the like under the anhydrous condition. The test efficiency is improved, the test process is shortened, the ultrasonic flowmeter commissioning and maintenance cost is reduced, and the flowmeter system commissioning efficiency is improved.

The invention discloses a photovoltaic cell panel inspection method based on deep learning, and relates to the field of electric power inspection and image processing, and the method comprises the following steps: preparing network input data, and collecting an image data set of a photovoltaic cell panel through employing an imaging device carried by an unmanned plane; enhancing and expanding a training set and a test set through operations such as overturning, rotating, mirroring and brightness adjustment, and increasing the diversity of data; according to the invention, a detection algorithm of a photovoltaic cell panel defect area is designed through an improved Unet segmentation model, a network structure of an original Unet model is improved according to characteristics of image acquisition of an unmanned aerial vehicle and requirements of small area detection, a double-attention feature fusion module is introduced, proper network parameters such as an activation function are set, the feature extraction of tiny defects such as cracks is realized, background interference is inhibited, the robustness and accuracy of the network are improved, the problem of photovoltaic cell panel inspection can be effectively solved, and a guarantee is provided for the stable operation of a photovoltaic transformer substation.

The invention discloses a four-point independent calibration device for a weighing scale. The device comprises a rack and two weight units, wherein two sets of weights in each weight unit can apply pressure on scale feet through hook ends, and four sets of weights individually apply pressure on four scale feet respectively under the control of a control mechanism, so as to perform calibration or check. The device disclosed by the invention can be used for individually calibrating or checking the four feet of the scale respectively, thereby solving the problems of calibration and check difficulty of the weighing scale of which the four feet are of independent weighing.

The invention relates to a converter station inspection method and device based on multi-information fusion and computer equipment. The method comprises the following steps: acquiring operation state data of a monitored object in a converter station; performing data fusion processing on the running state data to obtain fused data; performing data mining processing on the fused data to obtain target influence data influencing the running state of the monitoring object; performing regression analysis on the target influence data to obtain a real-time predicted value of the running state of the monitored object; and when the real-time predicted value exceeds a numerical value range of the monitored object in a normal operation state stored in an operation state database, performing early warning. The method can effectively solve the problems existing in converter station equipment inspection, realizes automatic machine inspection and automatic data acquisition, reduces the workload of operation and maintenance personnel, improves the inspection quality of the converter station equipment, improves the automation degree of the converter station equipment inspection, and realizes 'unmanned' and 'few-people' of each station.

The invention relates to a pipeline position detection method based on three-dimensional scanning. The method comprises the following steps of selecting a plurality of control reference points on a wall, simultaneously setting the target markers, measuring the coordinates of the control reference points in a construction coordinate system, scanning the position of a pipeline, scanning a referencepoint target at the same time, converting the scanning data into the construction coordinate system, intercepting the scanning data of the pipeline, sorting the pipeline data according to a wall body,selecting a section of section data according to requirements, dividing into the pipe inner side data and the pipe outer side data according to another column of data, and respectively calculating the pipeline center coordinates according to assumed theoretical radiuses to obtain the pipeline center and radius actual values. According to the invention, an accurate detection result can be obtained, the problem of inspection of the pipeline position in nuclear power construction, especially when the pipeline amount is very large, is solved, the inspection safety of the pipeline at high altitudeis improved, the detection is flexible, the measurement is convenient, and the quality control requirement of on-site construction can be met.

A trace model based abnormal degradation data inspection and analysis method includes steps of 1), firstly inspecting homogeneity of error variances when the error variances are unequal and relation thereof is unknown, and then inspecting the same with subsequent methods when two groups of the error variances have no significant differences; 2), acquiring point estimation of the error variances of model coefficients of two groups of degradation data by means of maximum likelihood estimation in case that abnormal data can return, and subjecting construction statistics to comply with a distribution F and judging whether the significant differences exist between the abnormal data and entirety or not by means of hypothesis inspection; 3), analyzing the model coefficients of data in case that the abnormal data cannot return, subjecting the construction statistics to comply with another distribution F, and utilizing the hypothesis inspection to judge whether the significant differences exist between the abnormal data and the entirety or not; 4) judging whether the abnormal degradation data are brought by differences between model intercept a of the two groups of degradation data or by differences between slope b of the two groups of degradation data, or by both.

The invention discloses a method for detecting bacterial endotoxin of sodium metabisulfite and relates to the field of biological substances of limulus dissolving agents. The detection method comprises steps as follows: a, reaction solution preparation: (I), sodium metabisulfite is weighed and added to water for bacterial endotoxin test, and the concentration of a test article sodium metabisulfite is 100 mg / ml; (II), the test article sodium metabisulfite is diluted to 0.1 mg / ml-0.6 mg / ml by the water for the bacterial endotoxin test; b, a dynamic development limulus reagent is taken and opened to be added to the water for bacterial endotoxin test for redissolving; c, 0.1 mg / ml-0.6 mg / ml of the test article sodium metabisulfite is mixed with the redissolved limulus reagent in the step b with the same volume, the mixture is added to a reaction test tube, the reaction test tube is inserted into a dynamic test tube detection instrument, and the endotoxin content is calculated. The method overcomes defects of an animal pyrogen detection method, and is high in repeatability and sensitivity and simple and convenient to operate.

The invention discloses a truss crane rail inspection method based on a three-dimensional scanner technology. The method comprises the following steps: selecting three or more control reference pointson a cylinder, measuring coordinates of the control reference point in a construction coordinate system; erecting a scanner, and scanning the position of the truss crane rail; converting the scanningdata into a construction coordinate system; selecting the scanning data of the truss crane and independently storing the scanning data as scanning data of the truss crane, cutting out the section ofthe track beam every 2m, extracting three-dimensional coordinates of points on the two sides of the section, comparing coordinates and elevation difference values of the same positions of track points, obtaining the actual distance and elevation difference of the track gauge, and obtaining a deviation value is obtained through comparison of the theoretical distance and the actual distance. According to the method, an accurate detection result can be obtained, so a basis is provided for inspection and acceptance of the truss crane rail, the problem of inspection of the truss crane rail in construction is solved, the inspection safety of the truss crane rail at high altitude is improved, the detection is flexible, the measurement is convenient, and the quality control requirement of field construction is met.

The invention discloses a method for determining the content of platycodon grandiflorum. The method comprises the following steps: filtering platycodon grandiflorum powder by utilizing a number-two screen, mixing 2g of filtered platycodon grandiflorum powder with 50ml of 50% methanol to obtain a mixture, carrying out ultrasonic treatment on the mixture for 30 minutes, cooling and complementing, filtering, and recovering a solvent until the solvent is completely recovered; extracting residues, washing the residues, drying an organic layer by distillation, dissolving the organic layer by utilizing methanol, separating by utilizing a silica gel column, eluting and separating for multiple times, collecting an elution solution, drying the elution solution by distillation, fixing the constant volume, filtering and finally obtaining a sample; and separating, and calculating the content of the platycodon grandiflorum under experimental conditions that a high-efficiency liquid-phase chromatograph adopts a chromatographic column Agilent TC-C18 5 micrometers, 4.6*150mm, the column temperature is 30 DEG C, the flow rate is 1.0ml / L, and the ratio of acetonitrile to water is 25: 75. After multiple tests, the content of the platycodon grandiflorum is subjected to the great influence of different silica gels, the content of the platycodon grandiflorum is very high by virtue of the extraction of the silica gel produced in Qingdao sea, the platycodon grandiflorum is generally qualified, the problem that the content of the existing platycodon grandiflorum cannot reach the standard can be effectively solved, and the test difficulty of medicine enterprises utilizing pharmacopeia can be solved.

A transition beam assembly and inspection device comprises a main body assembly component, wherein the main body assembly component comprises bases, an upper front positioning pin, an upper front inspection pin, vertical plates, covering positioning inspection blocks, an upper rear positioning pin, an upper rear inspection pin, a lower front positioning pin, a lower front inspection pin, bottom plates, horizontal positioning plates, an upper positioning plate, front positioning blocks, upper horizontal plates, rear positioning blocks, a lower rear positioning pin, a lower rear inspection pin and lower connecting plates, wherein the covering positioning inspection blocks are arranged on the lower connecting plates and the bottom plates; the lower front positioning pin and the lower rear positioning pin are used for positioning a front suspension cross beam and a rear suspension cross beam on the front positioning blocks and the rear positioning blocks; the upper front positioning pin and the upper rear positioning pin are used for positioning a front vertical shaft and a rear vertical shaft on the upper positioning plate; the upper front inspection pin is arranged behind the upper front positioning pin; the lower front inspection pin is arranged behind the lower front positioning pin; the lower rear inspection pin is arranged behind the lower rear positioning pin. The device has the advantages that the structure is simple, the operation is convenient, and the transition beam assembly and inspection problems are well solved. The transition beam assembly and inspection device is suitable for assembly and inspection of various transition beams.

The invention relates to a method for testing structural geometrical elements, more particularly to a checking method for a location degree and a geometric dimension of a surface complex structure. The method comprises: a to-be-checked plane structure is drawn on a transparent film at a ratio of 1: 1; the transparent film covers a to-be-checked surface; and whether the checked structure meets a design requirement is determined. According to the invention, the design pattern is drawn on the transparent film and the transparent film with the drawn pattern as a checking standard sample piece covers the to-be-checked surface directly to check geometrical elements of the surface structure. Therefore, the operation becomes simple and convenient; and a checking result can be obtained rapidly and visually.