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

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 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 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 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 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 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.

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.

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 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 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.