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523results about How to "Reduce detection error" patented technology

Fault detection method for wireless communication network

The invention relates to the technical field of fault detection for a wireless communication network, and discloses a fault detection method for the wireless communication network. By collecting data of base station signal strength, network delay, data packet loss rate and user equipment signal quality, the problem of insufficient fault detection caused by a single index is solved. Through multi-dimensional data acquisition, the system can comprehensively evaluate network performance, the fault detection accuracy is improved, and different fault types can be effectively identified especially in a complex fault mode. By storing the data according to the time sequence, the problem of time sequence chaos is avoided, and accurate detection of time-varying faults is ensured. The comprehensive data vector generated by each time of sampling comprises a plurality of network performance indexes, so that the fault detection and positioning capability is improved. Abnormal values are eliminated through data preprocessing, the data quality is ensured, an accurate basis is provided for subsequent analysis, and the reliability of a detection result is ensured.
Owner:SHANGHAI LANYANG NETWORK TECH CO LTD

Bottle mouth endoscopic optical detection device

ActiveCN119147468Ainto precisionTo achieve the purpose of intermittent feedingMaterial analysis by optical meansElectric machineryBottle
The invention relates to the technical field of glass bottle detection, and discloses a bottle mouth endoscopic optical detection device, which comprises a transportation seat, a belt conveyor is installed at the middle position of the upper end surface of the transportation seat, glass bottles are sequentially arranged at the upper end of the belt conveyor, and a turnover shaft is horizontally installed at the position, close to the belt conveyor, of one end of the transportation seat. According to the endoscopic optical detection device for the bottle opening, a constant-speed motor is started, a connecting column drives a rotating table to slowly rotate around a large bearing through a series of transmission, so that the whole driving shell is driven to do circular motion, meanwhile, a glass bottle between two groups of curved clamping blocks synchronously rotates, and in the rotating process, the glass bottle is driven to rotate; a plurality of groups of lamp beads on the annular lamp belt emit light, the interior is illuminated through a transparent glass layer of the bottle opening, at the moment, a fixed micro camera is used for continuously shooting the inner wall of the rotating bottle opening, the purpose of automatic annular detection is achieved, and compared with manual detection, the detection error is reduced, and the working efficiency is improved.
Owner:CHENGDU SANSHI SCI & TECH CO LTD

Circuit board detection device for artificial intelligence software development

The invention discloses a circuit board detection device for artificial intelligence software development, and relates to the technical field of circuit board processing, the circuit board detection device comprises a supporting seat and a circuit board body, the top of the supporting seat is provided with a top plate, the circuit board body is placed on the top plate, and a detection assembly for detecting the circuit board body is arranged above the top plate. According to the circuit board detection device for artificial intelligence software development, through combination of a lifting motor and lead screw transmission, up-and-down movement of a detection probe can be accurately controlled, so that the detection probe can be accurately in contact with a test point on a circuit board body; through the spline rod driven by the servo motor, the adjusting gear and other components, the detection probe can be adjusted up and down, and through a series of mechanical linkage, the bristles can automatically clean the outer wall of the detection probe in the moving process of the detection probe, so that impurities or residues possibly attached to the detection probe are effectively removed, and the detection efficiency is improved. And the detection accuracy and the long service life of the probe are ensured.
Owner:扬州中科文峰科技有限公司

Detection kit for autoimmune encephalitis antibody and preparation method thereof

The invention relates to a detection kit for an autoimmune encephalitis antibody and a preparation method of the detection kit. The detection kit for the antibody against myasthenia gravis comprises the following components: a myasthenia gravis antibody detection plate, a working solution, PBS (Phosphate Buffer Solution), a fluorescent secondary antibody and a mounting medium. According to the technical scheme, the carboxymethyl cellulose modified trehalose is used as the carrier of the antibody detection material to adsorb and wrap the cells, so that the fixing efficiency and stability of the cells on the detection carrier are remarkably improved, and the biological activity maintaining capability of the cells is enhanced, thereby improving the sensitivity and specificity of antibody detection and further improving the detection accuracy of the antibody. The carboxymethyl cellulose modified trehalose also can provide good biocompatibility, has excellent surface stability, can maintain the natural conformation and function of cells in the detection process, and effectively reduces the detection error caused by antigen denaturation or degradation.
Owner:BEIJING JINGYI MEDICAL TESTING LAB CO LTD

Tool blade grinding condition detection system based on deep learning

The invention discloses a tool blade grinding completion condition detection system based on deep learning, and relates to an intelligent detection technology, the tool blade grinding completion condition detection system comprises an image acquisition module which at least comprises a tool blade camera device, an automatic clamp device, an image preprocessing device and an image marking device; the database module is mainly used for storing the detection information, the grinding completion information and the abnormal information of the detected cutting edge of the cutter; the feature learning module is used for training and recognizing a grinding completion state and an abnormal condition; the detection module is used for detecting whether the cutting edge of the cutter is in a completely-ground state or abnormal conditions; a background module; a management device module; and a user terminal module. The method has the advantages that the complete grinding state of the cutting edge of the cutter can be monitored in real time, the problem of excessive complete grinding or insufficient complete grinding can be intelligently recognized, and through a novel network structure, an attention mechanism is added, so that the extraction capability of complete grinding features of the cutter is improved.
Owner:YANGJIANG POLYTECHNIC +1

Impurity detection system for high-purity gas and detection control method thereof

The invention relates to an impurity detection system for high-purity gas and a detection control method thereof, and the impurity detection system for the high-purity gas comprises a detection path selection module, a busbar sample introduction module, a chromatography pretreatment module and a moisture detection pretreatment module, the detection path selection module is connected with confluence path units contained in the busbar sample introduction module, the chromatography pretreatment module comprises a plurality of chromatography pretreatment units, the confluence path units are respectively connected with the corresponding chromatography pretreatment units, each confluence path unit is connected with the moisture detection pretreatment module, and the moisture detection pretreatment module is connected with the detection path selection module. The detection path selection module is used for acquiring storage information in a high-purity gas storage tank, and performing corresponding chromatographic analysis steps and / or moisture detection analysis steps on the high-purity gas according to the storage information; the opportunity and parameters of gas entering the detection equipment are automatically adjusted according to the storage states of different steel cylinders, so that the accuracy of a detection result is improved.
Owner:WUHAN IRON & STEEL GRP GAS CO LTD

Road and bridge concrete defect nondestructive testing method

The invention discloses a nondestructive detection method for road and bridge concrete defects, and belongs to the technical field of infrared detection. According to the road and bridge concrete defect nondestructive testing method, a work box is included, a detection box is further included, the detection box is arranged in the work box in a lifting mode, a mounting box is fixedly connected into the detection box, a connecting plate is slidably connected to the mounting box, a swing air injection mechanism is arranged on the connecting plate, and a heating mechanism is arranged in a preheating box; the preheating box is communicated with the swing injection mechanism through a connecting pipe, and the detection head is matched with the swing injection mechanism; on one hand, a detector can be used for infrared detection of bubbles or cracks on the surface of concrete, and on the other hand, detection plasticine in the template box can be pressed onto the surface of the concrete, so that the plasticine can be pressed into the bubbles or the cracks when making contact with the cracks or the bubbles on the surface of the concrete; protrusions identical to the bubbles and the cracks are pressed out, so that the depths of the bubbles and the cracks can be observed conveniently, and the precision of follow-up visual detection is improved.
Owner:MOMENT CIRCLE TECH WUHAN CO LTD

Glass plate liquid level meter and liquid level measuring method

The invention relates to the technical field of liquid level meters, and provides a glass plate liquid level meter and a liquid level measuring method.The glass plate liquid level meter comprises an outer cover, a main pipe and a glass plate, and observation holes are formed in the peripheral side of the outer cover; the main pipe penetrates through and is fixedly arranged in the outer cover, and a communicating groove is formed in the peripheral side of the main pipe; the glass plate is fixedly arranged in the observation hole; the glass plate penetrates into the main pipe; a plurality of annular grooves are formed in the main pipe and are arranged at intervals in the axial direction of the main pipe, the ends, close to the glass plate, of the annular grooves are located below the ends, away from the glass plate, of the annular grooves, and the lower portions of the cross sections of the annular grooves are in the shape that the middles are low and the two sides are high. The inclined annular groove is formed in the main pipe, the glass plate penetrates into the main pipe, mist on the inner wall of the main pipe can be rapidly gathered into water drops, the water drops are used for cleaning the surface of the glass plate, the glass plate is kept in a clear state all the time, and therefore normal use of the liquid level meter is guaranteed.
Owner:WEIFANG YAFENG CHEM INSTR CO LTD

Gesture interaction method and system, readable storage medium and computer

The invention provides a gesture interaction method and system, a readable storage medium and a computer. The method comprises the following steps: acquiring a sight focusing area of a user for a virtual marker; inputting the hand image into a convolutional neural network model for convolution operation to obtain a convolutional feature image; performing pixel processing based on the hand coding image of the hand image to obtain a corresponding pixel feature image; importing the multi-scale fusion unit into a multi-resolution network model for model optimization to obtain a network optimization model; and inputting the convolutional feature image and the pixel feature image into a network optimization model to output a hand posture estimation result of the user, and performing collision judgment according to the hand posture estimation result and the sight focusing area to realize gesture interaction of the user. According to the method, attitude estimation is carried out on the convolution feature image and the pixel feature image by using the network optimization model, and the influence of network parameter quantity on hand attitude estimation is reduced, so that the detection error of hand joint points is reduced.
Owner:HUIZHI WORLD (HANGZHOU) TECHNOLOGY CO LTD

Copper pipe surface defect image detection device and detection method

The invention discloses a copper pipe surface defect image detection device and method, and relates to the technical field of copper pipe surface defect detection.The copper pipe surface defect image detection device comprises a base, a supporting frame is fixedly installed at the top of the base, an electric telescopic rod is fixedly installed at the top of the supporting frame, and an image detector is fixedly installed at the free end of the electric telescopic rod; a long rod is fixedly mounted at the bottom of the electric telescopic rod; the anti-shaking device is arranged at the top of the base, the anti-shaking device comprises a rotating disc, a copper pipe body, a sliding rod, a circular plate, a trapezoidal block, an L-shaped rod, an arc-shaped plate, a fixed plate, an L-shaped plate, a supporting seat and a rotating plate, an electric telescopic rod moves downwards to drive a long rod to move downwards, and the long rod moves downwards to push the circular plate to move downwards; the inner wall of the copper pipe body is supported through the arc-shaped plates, a stable detection platform can be provided through supporting, and detection errors caused by external force or equipment vibration are reduced.
Owner:WUXI XINDA YINGKE AUTOMATION TECH CO LTD

Roll roundness inspection device

The utility model discloses a roller roundness inspection device, which belongs to the technical field of roller inspection, and comprises a bottom plate, two mounting plates and a vertical plate, the opposite sides of the two mounting plates are provided with chutes, the interiors of the chutes are provided with mounting grooves, the interiors of the mounting grooves are fixedly connected with springs, and the springs are fixedly connected with the vertical plate. The tail end of the spring is fixedly connected with a connecting column, the connecting column is slidably connected to the interior of the mounting groove, the side, away from the spring, of the connecting column is fixedly connected with a clamping block, the interior of the clamping block is rotatably connected with a rotating disc, one side of the clamping block is fixedly connected with a connecting plate, and a lead screw is rotatably connected between the two vertical plates; the rod wall of the lead screw is sleeved with a movable sleeve in a threaded mode, the lower end of the movable sleeve is fixedly connected with a telescopic rod, and the tail end of the telescopic rod is fixedly connected with a dial indicator. Compared with the prior art, the device has the advantages that the detection efficiency of the roundness of the roller can be greatly improved, the labor intensity of workers is reduced, and the detection error is reduced.
Owner:LUOHE JINXING MILL ROLLS CO LTD

DC insulation resistance detection method and detection device

The invention relates to a direct current insulation resistance detection method and a detection device. The method comprises the following steps: establishing a mathematical model of insulation resistance and bus voltage of a direct current bus to be measured, acquiring voltage to ground values of positive and negative buses when a positive bridge arm and a negative bridge arm of an unbalanced bridge are not connected and when the negative bridge arm of the unbalanced bridge is connected, introducing noise influence, and establishing a calculation method for eliminating the noise influence based on the acquired measurement values. And performing iterative calculation to obtain a to-be-identified parameter theta. And theta is substituted into the mathematical model to solve the insulation resistance value of the direct current system to be measured. According to the method, environment noise generally existing in the test process and pulse noise caused by circuit switch switching are fully considered, so that the insulation resistance detection error of the direct current system to be detected is reduced, and the reliability of a detection result is improved.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD ELECTRIC POWER SCI RES INST

Clamping tool for high-pressure oil pipe detection

The invention relates to the technical field of high-pressure oil pipe detection, and discloses a clamping tool for high-pressure oil pipe detection, which comprises a tool assembly and is characterized in that a clamping assembly provided with a high-pressure oil pipe body is fixedly arranged in the tool assembly. When bumps exist on the inner wall of the high-pressure oil pipe, the sponge marking block can automatically mark the high-pressure oil pipe body with the bumps, and the bumps on the inner wall of the high-pressure oil pipe can be quickly identified and accurately marked through automatic marking, so that the time and energy of manual detection are greatly reduced, and the detection efficiency is improved; meanwhile, the displacement sensor records the position of the convex block, the detected moving distance is sent to the data processing terminal through the data processing module, the automatic recording system can rapidly capture and position the position of the convex block on the inner wall of the high-pressure oil pipe, errors and omission possibly generated during manual detection are avoided, and the detection efficiency is improved.
Owner:JINING YAOKUN MASCH CO LTD

O-shaped ring whole mold full-detection equipment and detection method thereof

The invention discloses O-shaped ring whole mold full-inspection equipment and a detection method thereof. The O-shaped ring whole mold full-inspection equipment comprises a detection table; the mounting table is fixedly mounted at the top of the detection table; the translation turnover mechanism is fixedly connected to the top of the detection table; the fixing tool is fixedly mounted in the translation turnover mechanism; the detection mechanism is located at the top of the fixing tool, and the top of the detection mechanism is fixedly connected with the bottom of the mounting table; and the positioning mechanism is located at the bottom of the fixing tool, and the bottom of the positioning mechanism is fixedly connected with the top of the detection table. The invention aims to solve the technical problems that when the existing O-shaped ring detection equipment is used for detecting the surface defects of the O-shaped ring, the O-shaped ring and a die of the O-shaped ring are inconvenient to automatically turn over and discharge, and manual work is needed to participate in turning and discharging operation, so that the labor cost is increased, and the detection efficiency of the surface defects of the O-shaped ring is reduced.
Owner:HUIZHOU DUYITE PRECISION PROD CO LTD

Automatic calibration method and device based on fine inspection camera edge finding and storage medium

The invention discloses an automatic calibration method and device based on fine inspection camera edge finding and a storage medium, which are used for improving the calibration efficiency and avoiding artificial errors when a fine inspection camera aligns with a mark point. The method comprises the following steps: obtaining a fixed offset through advanced teaching; according to the fixed offset, the picture center of the fine detection camera falls into a calibration plate through a motion control assembly, and a calibration point is arranged in the calibration plate; the motion control assembly controls the fine detection camera to carry out edge finding motion so as to collect a characteristic pattern of the calibration plate, the linear edge and the angular point of the inner frame of the calibration plate are identified according to the characteristic pattern, and the fine detection camera is guided to carry out edge finding motion and angular point alignment; determining a first mechanical coordinate at the moment; according to the physical parameters of the calibration plate and the first mechanical coordinate, determining a second mechanical coordinate when the picture center of the fine detection camera is aligned with the center of a calibration point on the calibration plate; and calculating an affine transformation relation according to a pre-collected third mechanical coordinate and a pre-collected second mechanical coordinate, and completing calibration.
Owner:SHENZHEN SEICHITECH TECHN CO LTD

Method, processor and system for detecting stud welding quality

The invention discloses a method, a processor and a system for detecting the welding quality of a stud. The method comprises the following steps: acquiring an image of a target detection area; the obtained target detection area image is input into a pre-trained detection model, and target stud welding information of the target detection area is recognized; respectively comparing the welding information of the identified target stud with corresponding standard stud welding information preset in a detection model; whether the target stud is qualified or not is determined according to the comparison result of the welding information of the target stud and the welding information of the standard stud; and outputting the quality state information of the target stud in the target detection area. The method has the advantages of being low in cost, high in efficiency, large in detection coverage rate, high in accuracy and good in human-to-effect ratio.
Owner:FAW VOLKSWAGEN AUTOMOTIVE CO LTD

Device for measuring torsion angle of longitudinal rib of reinforcing steel bar

The utility model discloses a device for measuring the torsion angle of a longitudinal rib of a reinforcing steel bar, which comprises a measurement fixing plate, an end baffle, a plurality of longitudinal ribs, a plurality of longitudinal ribs, a plurality of longitudinal ribs and a plurality of longitudinal ribs, wherein one side of the end baffle is fixedly connected with the end of the measurement fixing plate and is matched with the measurement fixing plate to form an accommodating area; the lower end of the sliding clamping plate is close to the end baffle and is matched with the lower end of the end baffle to form a containing area with an opening in the lower end; reinforcing steel bars extend into the accommodating areas, so that the lower ends of the sliding clamping plates and the lower ends of the end baffles extend into the two sides of the reinforcing steel bars; the tilt angle sensor is fixed on the front side of the sliding clamping plate and is used for measuring the torsion angle of the longitudinal rib of the reinforcing steel bar when the lower end of the sliding clamping plate and the lower end of the end baffle extend into the two sides of the reinforcing steel bar and the lower end of the sliding clamping plate and the lower end of the end baffle abut against the upper side of the longitudinal rib of the reinforcing steel bar; the device has a simple structure, is convenient to use, can quickly display the torsion angle of the longitudinal rib of the reinforcing steel bar, effectively reduces detection errors, and improves the working efficiency.
Owner:SHAANXI LONGMEN IRON & STEEL

Microfluidic detection card capable of storage and sequential acquisition

The invention provides a micro-fluidic detection card capable of storage and sequential acquisition, which is sequentially laminated from bottom to top: a substrate layer, a sensing layer and a micro-fluidic chip layer, and the sensing layer comprises a sensing unit; a plurality of detection cavities are formed between the sensing layer and the micro-fluidic chip layer; the sensing unit is integrated in each detection cavity and is also suitable for being connected with a detection serial port; the micro-fluidic chip layer is connected with a central liquid storage cavity, and is also provided with an inlet and an outlet which are communicated with the central liquid storage cavity, and a micro-channel which is sequentially communicated with the inlet, the central liquid storage cavity and the outlet, and the micro-channel sequentially forms a positive guide Tesla valve and a negative guide Tesla valve in the flow direction from the inlet to the outlet; according to the invention, a plurality of detection cavities are designed on the improved Tesla valve structure, micro-liquids refluxed at different times can be separated by using the flow blocking characteristic of the reverse guide Tesla valve, and micro-liquid data at different times can be detected and contrastively analyzed, so that the micro-liquid detection device is suitable for micro-liquid detection.
Owner:SHANGHAI PROSPECTIVE INNOVATION RES INST CO LTD +1

MEMS (Micro Electro Mechanical System) chip, preparation method thereof, MEMS gas sensor and gas detection device

The invention discloses an MEMS (Micro Electro Mechanical System) chip, a preparation method of the MEMS chip, a micro electro mechanical system gas sensor and a gas detection device. The MEMS chip comprises a first pole plate and a second pole plate, a cavity is formed between the first pole plate and the second pole plate, a dielectric substance in the cavity is gas, the first pole plate is provided with a first vent hole, the cavity is communicated with the outside through the first vent hole, and the second pole plate is provided with a second vent hole. The mechanical resonant frequency of the first polar plate is far greater than the frequency of sending voltage excitation to the MEMS chip by an ASIC (Application Specific Integrated Circuit) chip, or both the mechanical resonant frequency of the first polar plate and the frequency of sending voltage excitation to the MEMS chip by the ASIC chip are 60 kHz to 100 kHz; the first pole plate and the second pole plate form a variable capacitor, and the dielectric substance of the variable capacitor is gas, so that the sensitivity of the MEMS gas sensor using the MEMS chip can be improved.
Owner:GOERTEK MICROELECTRONICS CO LTD

Weld defect detection method

The invention relates to the technical field of weak magnetic detection, and provides a weld defect detection method which comprises the following steps: stacking six weak magnetic sensors in pairs to form an L shape, and positioning a second weak magnetic sensor and a fifth weak magnetic sensor which are stacked into a first group right above a weld, the first weak magnetic sensor and the fourth weak magnetic sensor which are stacked into the second group are located right behind the first group, and the third weak magnetic sensor and the sixth weak magnetic sensor which are stacked into the third group are arranged side by side and aligned at one side of the first group, namely, difference calculation is carried out on two magnetic induction intensity signal values of the same group; setting at least two conditions for judging defects according to the characteristics of the welding seam and a weak magnetic detection principle, substituting the magnetic induction intensity data after the background field is removed into the conditions for judging the defects by utilizing a redundancy detection principle to carry out defect feature recognition, and carrying out defect feature recognition according to a probability statistics principle. And the correct probability of defect judgment is calculated, so that the accuracy of a weld defect judgment result can be improved.
Owner:NANCHANG HANGKONG UNIVERSITY

Double-branch contour enhanced industrial product defect detection method based on small sample

The invention discloses a double-branch contour enhanced industrial product defect detection method based on small samples. The method comprises the following steps: 1, constructing a positive sample image data set and a defect sample image data set of an industrial product; 2, constructing a background removing module, and removing backgrounds of the reference image and the image to be registered; 3, constructing an image rotation coarse registration module, and rotating the first to-be-registered image until the first to-be-registered image is aligned with the first reference image; 4, constructing a double-branch feature-level fine registration module, and solving a mean value and a variance of the feature map c as template features of the industrial product; 5, solving a feature map d and an abnormal score matrix of the same industrial product defect sample image; and 6, establishing an adaptive defect threshold segmentation network to obtain a defect segmentation image. According to the method, better balance between the detection precision and the model universality in a small sample scene is realized.
Owner:XIAN UNIV OF TECH

Method and system for detecting abnormal work of network camera

The invention relates to the technical field of security and protection monitoring, in particular to a method and system for detecting abnormal work of a network camera, and the method comprises the steps: training a basic data set to form a large model, collecting normal and abnormal pictures, carrying out the blocking processing, labeling, preprocessing, and carrying out the multi-task learning training of a CNN network structure model. SSIM is used as a loss function, simulated abnormal data is generated to enhance generalization ability, and model performance is evaluated; after video stream key frames or fragment blocks are obtained, a result R0 is recognized through the large model, reviews regularly, if abnormity occurs, the result is output, and after a certain result is accumulated, the large model is trained. The system comprises a data acquisition module, a model training module, a detection data acquisition module, a data partitioning module, an anomaly detection module, an examination module, a model optimization module and the like. According to the method, the detection efficiency and accuracy are improved, manual intervention is reduced, the problems of low video multi-channel detection performance, tedious threshold setting and low detection accuracy in the prior art are effectively solved, and the method is suitable for various security and protection monitoring scenes.
Owner:FUJIAN ZHONGTIAN ZHIBO TECHNOLOGY CO LTD

Complex hydrological multi-target laser polarization detection device

The invention belongs to the technical field of underwater laser detection, and discloses a complex hydrological multi-target laser polarization detection device which is designed by adopting a transceiving heteroaxial design, effectively overcomes strong background interference of a water body, splits scattered light collected by a single telescope into four different polarization angles (0 degree, 45 degrees, 90 degrees and 135 degrees), and improves the detection accuracy. Signal amplitude detection is carried out through a PMT photoelectric detector, meanwhile, according to interval numerical values provided by a simulation time-varying model, adjustment can be carried out for different water qualities and detection threshold values of different target receivers, the system detection robustness can be effectively improved, and under the water quality with the attenuation coefficient larger than 0.385 m <-1 >, the system detection robustness can be effectively improved within the 8m range. Detection and material identification are carried out on a target with the diameter larger than 300 microns, meanwhile, data processing is concise and efficient, and the real-time performance is high. The working principle is advanced, the technical method is unique and novel, and the real-time requirement of multiple targets in a complex water area is met.
Owner:NAVAL UNIV OF ENG PLA

Radiotherapy system, auxiliary system and method for evaluating free radical injury and application of auxiliary system and method

The invention discloses a radiotherapy system, an auxiliary system and method for evaluating free radical damage and application thereof, a tube body of a cuvette of the auxiliary system comprises side surfaces, a top surface and a bottom surface, the top surface is provided with an opening matched with a shading cover, and the side surfaces comprise a first side surface, a second side surface, a third side surface and a fourth side surface; one end of the first optical fiber is connected with the laser assembly, and the other end of the first optical fiber is connected with the first side surface; the irradiation assembly is arranged on one side of the top surface; the fluorescent light filter is arranged on the third side surface or the fourth side surface; one end of the second fiber is connected with the fluorescent filter, and the other end of the second fiber is connected with the luminosity assembly; the chamber is used for accommodating the cuvette and the fluorescent light filter; for FLASH radiotherapy, the real-time accurate detection of the fluorescence intensity can be realized by optimizing the detection environment, and a reliable platform is provided for free radical damage assessment.
Owner:MEVION MEDICAL EQUIPMENT CO LTD

Wind power plant fan blade damage detection device

The utility model provides a wind power plant fan blade damage detection device which comprises grooves (2) distributed on fan blades (1) in an array mode, micro optical fiber sensors (3) are arranged in the grooves (2), a signal transmitting module (4) is arranged at the root of each blade (1), the signal transmitting modules (4) are connected with the micro optical fiber sensors (3) through optical fibers, and a detection mechanism (12) comprises signal receiving modules (12a). The control processing module (12b) and the display screen (12c) are electrically connected, the detection mechanism (12) is installed on a fan tower, the photovoltaic panel (10) is arranged on a fan supporting column, and the photovoltaic panel (10) is electrically connected with the detection mechanism (12). The device is small in detection error, and small cracks of the fan blade can be easily detected.
Owner:SDIC HAMI WIND POWER CO LTD

Comprehensive detection platform for physical properties of aerogel composite material

The invention relates to the technical field of material performance detection equipment, and particularly provides a comprehensive detection platform for physical performance of an aerogel composite material. Comprising a detection rack, a separation assembly is assembled on the detection rack, and the separation assembly comprises a sliding cylinder base vertically installed on the detection rack in a sliding mode; a lockable cylinder seat arranged below the sliding cylinder seat is assembled on the detection rack; a first cylinder is fixed to the sliding cylinder seat, a second cylinder is fixed to the lockable cylinder seat, a first detection assembly is arranged in the first cylinder, and a second detection assembly is assembled on the detection rack and located below the second cylinder. The comprehensive detection platform can be used for comprehensively detecting various physical properties such as water absorption, waterproofness, water pressure resistance, flame retardance and heat insulation of the aerogel heat insulation pad; rapid switching operation of various performance detection can be carried out, so that the convenience and operability of detection are greatly improved; the test standard is relatively unified, the detection error is reduced, and the authenticity and accuracy of the detection are improved.
Owner:SHENZHEN XINFUYI INDAL

Aluminum piece quality detection device

The invention relates to the technical field of leakage detection, in particular to an aluminum piece quality detection device. Comprising a base and a support fixedly connected with the upper surface of the base. The support is in an inverted L shape. The upper end of the support extends to the position over the base. A hydraulic cylinder vertically penetrates through and is fixedly connected with the upper end of the bracket; the upper surface of the base is fixedly connected with the detection pool; the detection pool extends along the length direction of the base; the detection pool is filled with detection liquid; the detection liquid flows in the detection pool along the length direction of the detection pool; according to the method, the detection rod is controlled to be inserted into the aluminum container and the aluminum container is controlled to be pressed into the flowing detection liquid, so that whether the aluminum container has a leakage point or not can be quickly judged, quality judgment of the aluminum part is quickly realized, and compared with an existing liquid filling judgment mode, the method is higher in detection efficiency and higher in convenience.
Owner:RIZHAO HEPU ALUMINUM TECH CO LTD

Electronic thermostat detection device and detection method

The invention relates to an electronic thermostat detection device and detection method, and belongs to the technical field of thermostats. The thermostat detection device comprises a detection table, a placement seat arranged on the detection table, a liquid injection assembly, a heating assembly and a detection assembly, the placement seat is provided with a placement position for placement of a thermostat, a detection cavity is formed in the placement seat, a communicated receiving opening is formed in the placement position, an opening of the thermostat faces the receiving opening, and the detection assembly is arranged in the detection cavity. The heating assembly comprises a shell and a PCT heating plate, the shell is arranged outside the placement position in a wrapping mode, a detection opening allowing the thermostat to go in and out is formed in the top of the shell, the PCT heating plate heats air in the shell, the liquid injection assembly comprises a liquid injection pipe used for injecting detection liquid into a radiator pipe of the thermostat, and the liquid injection pipe is used for injecting the detection liquid into the radiator pipe of the thermostat. And the detection assembly is arranged in the detection cavity, receives the falling detection liquid and measures the volume of the detection liquid. The method has the advantages that the detection process is convenient, and automatic detection can be achieved to a certain degree.
Owner:NINGBO DEHAO AUTO PARTS CO LTD

Device for detecting integrity of inner surface of prestressed pipe pile

The invention discloses a prestressed pipe pile inner surface integrity detection device, and belongs to the technical field of pipe pile detection.The prestressed pipe pile inner surface integrity detection device comprises a prestressed pipe pile body, and one end of the interior of the prestressed pipe pile body is provided with a first supporting shell and a second supporting shell; a plurality of connecting supporting pipes are fixedly connected between the first supporting shell and the second supporting shell, movable supporting mechanisms are installed in the first supporting shell and the second supporting shell, and a rotary adjusting mechanism is rotationally connected between the center of the first supporting shell and the center of the second supporting shell. By designing the two movable supporting mechanisms and the rotary adjusting mechanism, rotation of the two driving fluted discs is completed through one supporting connecting rod, then simultaneous extension of the two movable supporting mechanisms is achieved, supporting is completed, detection of prestressed pipe pile bodies with different diameters can be achieved, and the application range of the device is widened.
Owner:WANYANG CONSTR GRP CO LTD