55results about How to "Realize online detection" patented technology

The invention discloses a lithium battery health state assessment method and system, and the method comprises the steps: collecting the terminal voltage data and current data of a lithium battery at each moment in a discharge period in real time, so as to obtain a DC impedance estimation value at each moment; obtaining a discharge working condition of the lithium battery at each moment to screen a plurality of direct current impedance effective values, and constructing a plurality of direct current impedance value real-time sequences; calculating a direct-current impedance sequence estimation value of each direct-current impedance value real-time sequence; segmenting the plurality of direct-current impedance sequence estimated values and a preset discharge direct-current impedance data table according to the discharge working condition, and calculating a direct-current impedance average value and a direct-current impedance reference average value in each segment, and determining the health state of the lithium battery according to the DC impedance average value and the DC impedance reference average value, thereby realizing online evaluation of the health state of the lithium battery.

The invention discloses a four-eccentric type blind plate rapid switching device which comprises a lower valve body assembly, an upper valve body assembly, a sliding plate assembly, a four-eccentric synchronous clamping mechanism, a center positioning sliding guide mechanism, a driving mechanism and a safety lock mechanism. The lower valve body assembly and the upper valve body assembly are basically the same in structure, a flange is arranged on one side and is in butt joint with an installed pipeline flange, the other side is a sealing face, and the face, with the sealing face, of the lower valve body assembly and the face, with the sealing face, of the upper valve body assembly are oppositely installed. The sliding plate assembly is located between the lower valve body assembly and the upper valve body assembly, a through hole is formed in the center of one section, and the other section is used for cutting off media. The four-eccentric synchronous clamping mechanism is used for clamping the lower valve body assembly and the upper valve body assembly; the center positioning sliding guide mechanism is located on the periphery of the sliding plate assembly and can guarantee that the working position of the sliding plate assembly is coaxially centered and limited. And the safety lock mechanism prevents misoperation. The invention has the advantages of simple operation, good sealing performance, rapid switching, small size and light weight.

The invention discloses an on-line detection device and method for surface defects of an automatic fiber placement laying layer, and belongs to the field of aeronautical manufacturing visual inspection, the automatic fiber placement laying layer surface defect detection device comprises a multi-line structure light source, an industrial camera and an illumination light field light source; the multi-line structure light source and the industrial camera point to the surface of the laying layer, and the multi-line structure light source is used for projecting a multi-line structure light field; the illumination light field light source is arranged above the surface of the paving layer and is used for projecting an illumination light field; the industrial camera is matched with the illumination light field light source and the multi-line structure light source to collect two-dimensional images and three-dimensional point cloud information of the surface of the laying layer. Compared with an existing method of independently using a laser contourgraph or a two-dimensional camera, the method has the advantages of simple structure, multiple types of information capable of being collected, low cost, multiple defect recognition types, high defect recognition accuracy, high applicability and the like.

A micro inductor online visual detection fixing device. It relates to the field of inductor production equipment. Including the shell, a plurality of shell is placed in sequence on the conveying belt, the top of the conveying belt is equipped with a visual detection mechanism, the middle part of the shell is equipped with a containing cavity, the containing cavity penetrates the shell along the vertical direction; The upper part of the containing cavity is equipped with an upper baffle, the lower part of the containing cavity is equipped with a lower baffle, the lower baffle and the upper baffle are both mesh plates, a gas pump is arranged between the lower baffle and the upper baffle, the gas inlet pipe of the gas pump is located in the containing cavity, and the gas outlet pipe of the gas pump is located outside the containing cavity; The upper baffle is used for placing inductor. The application can improve the inductor detection efficiency and accuracy.

The invention provides a metal additive manufacturing online detection method and system, and the method comprises the steps: S1, inputting part drawing information, setting process parameters required by a machine, and carrying out additive manufacturing; s2, collecting a laser ultrasonic signal in the additive manufacturing process, and converting the laser ultrasonic signal into an electric signal; and S3, the electric signals are classified, and the actual situation of additive manufacturing is judged according to the classification result. The machine learning method can be used for fully and reasonably processing the electric signals converted from the laser ultrasonic signals in the forming process, and online detection of additive manufacturing is achieved; the additive manufacturing efficiency and the forming quality can be further improved, the metal additive manufacturing cost can be effectively reduced, and a technical foundation is laid for wide application of metal additive manufacturing.

The invention discloses an all-quartz multi-component Raman signal online detection module based on multi-laser additive and subtractive manufacturing. The all-quartz multi-component Raman signal online detection module comprises a node-free negative curvature hollow-core optical fiber with side micropores, a multimode optical fiber, a single-mode optical fiber plated with a ceramic film, a semicircular micro-channel, a quartz slurry packaging layer and a quartz fixing base, a micro-scale micropore is processed on the side surface of a node-free negative-curvature hollow fiber by utilizing picosecond laser, a multimode fiber, the node-free negative-curvature hollow fiber with the side micropore and a single-mode fiber are welded into a whole, the single-mode fiber is ground into a slice by utilizing an optical fiber grinding technology, and a ceramic membrane is deposited on the end surface of the slice single-mode fiber. Picosecond laser is used for scanning the quartz fixing base layer by layer so as to process a semicircular micro-channel for placing the sensor, and CO2 laser is used for scanning, depositing and curing the quartz slurry packaging layer layer by layer so as to package the sensor. According to the invention, the to-be-detected substance is injected into the all-quartz sensor, so that on-line detection of multi-component Raman signals can be realized in high electromagnetic interference environments such as electric power and the like.

The utility model relates to the technical field of cleanliness detection, in particular to a device for detecting cleanliness on line based on an ultraviolet fluorescence method. The device for online detection of the cleanliness based on the ultraviolet fluorescence method comprises a measurement module; the measurement module comprises a light path module and a calibration module; the calibration module comprises a stepping motor, a standard sample bracket and a position detection sensor; the stepping motor is connected with the standard sample bracket and drives the standard sample bracket to rotate, and the standard sample bracket comprises a plurality of cleanliness sample bracket units and channels arranged among the cleanliness sample bracket units; and the position detection sensor is arranged on the standard sample bracket. The light path module carries out detection by adopting an ultraviolet fluorescence method, has high sensitivity to common pollutants such as oil stains and organic impurities on the metal plate strip, can accurately detect trace pollutants, and improves the precision of cleanliness detection.

This invention provides an online detection method and system for the curing characteristics of epoxy molding compounds, belonging to the field of materials testing and analysis technology. The method includes: during the molding process, acquiring electrical response data of the epoxy molding compound within the mold cavity at at least two different excitation frequencies, and simultaneously acquiring equivalent temperature data of the mold cavity; calculating the complex impedance data corresponding to each excitation frequency based on the electrical response data, constructing a dielectric characteristic quantity to characterize the change in dielectric response of the epoxy molding compound, and performing temperature compensation processing on the dielectric characteristic quantity in conjunction with the equivalent temperature data of the mold cavity; based on the temperature-compensated dielectric characteristic quantity, obtaining online inversion information on the degree of curing change of the epoxy molding compound; based on the degree of curing change information, determining the gel determination time during the curing process of the epoxy molding compound, and outputting online detection results characterizing the curing state of the epoxy molding compound. This invention achieves real-time and stable detection of the curing process and gelation stage of epoxy molding compounds.

The invention discloses an ultrasonic detection system and method for a bushing lead. The system comprises a transmitting probe and a receiving probe, and the transmitting probe and the receiving probe are arranged on the outer side wall of a bushing; the fault detection main circuit is electrically connected with the transmitting probe and the receiving probe respectively; the upper computer is electrically connected with the fault detection main circuit and is used for controlling the fault detection main circuit to drive the transmitting probe to transmit an ultrasonic signal into the sleeve; the receiving probe receives and transmits an ultrasonic echo signal obtained after the ultrasonic signal is reflected in the sleeve; and the fault detection main circuit is used for processing the received ultrasonic echo signal into a time signal and then displaying the time signal through the upper computer. According to the invention, the detection time can be shortened, the online detection of the high-voltage bushing lead can be realized, the insulation fault can be accurately and timely found, and the reliable operation of the high-voltage bushing lead can be ensured.

The invention relates to the technical field of skid-mounted devices and automatic interlocking, in particular to a heavy oil high-temperature purification sewage multi-medium stage treatment device and a detection method, the heavy oil high-temperature purification sewage multi-medium stage treatment device comprises a silicon content detection instrument, a hardness detection instrument, a mineralization degree detection instrument, an oxygen content detection instrument, a chloride ion detection instrument, an oil content detection instrument and the like; according to the detection method, after a to-be-analyzed sample solution is subjected to primary cooling, the cooled sample solution is directly subjected to oil content and suspended matter detection in two paths, after the other path is subjected to three-stage filtration and secondary cooling, the other path is subjected to mineralization degree, oxygen and chloride ion detection in three paths, and the other path is subjected to silicon content and hardness detection after filtration. According to the stage treatment device, a five-section sample liquid pretreatment technology of two-stage water cooling and three-stage filter element filtering is adopted, sample liquid is shunted according to the detection requirements of different detection instruments, the problem that all components in the sample liquid interfere with one another is solved, the instrument detection accuracy is improved, and online detection of heavy oil high-temperature purification sewage is achieved.

The present invention relates to an adsorption device capable of online monitoring. The adsorption device comprises an online mid-infrared spectrum detection system, a branch with a test sample pool is arranged on a material pipeline that needs to be monitored online, and an online mid-infrared spectrometer is used to detect the material in the sample pool. The adsorption device capable of online monitoring of the present invention can perform real-time online detection of the material concentration in the adsorption device.

The invention relates to the technical field of composite material production, in particular to a demolding cloth cover line accumulation detection method, device and equipment and a medium, and the method comprises the steps: obtaining a demolding cloth cover image, and converting the demolding cloth cover image into a grayscale image; enhancing the low-frequency part of the grayscale image by using the filtering vector to obtain an enhanced image; performing dynamic threshold segmentation on the enhanced image, and segmenting an area of which the gray value accords with a set threshold; performing morphological processing on the region, and segmenting a connected domain to obtain a region set; and judging whether a region of which the area size accords with an area threshold value exists in the region set, and if so, judging that a line accumulation region exists. According to the method, surface flaws caused by the defects in carbon plate production can be effectively avoided, the scheme can adapt to demolding cloth of different types and thicknesses through the dynamic threshold segmentation and morphological processing method, the applicability of the scheme is improved, online detection is achieved, and problems in the production process can be rapidly found and processed.

The invention discloses an organic liquid hydrogen storage online hydrogen content detection device and method. Comprising a detection box, a sealing cup is arranged in the detection box, a sample injection pipe is arranged on the detection box, a quantitative roller is arranged on the sample injection pipe, a plurality of quantitative grooves are formed in the quantitative roller, a temperature control assembly is arranged in the detection box, a weighing assembly is arranged below the sealing cup, a measuring pipe is arranged on the lower portion of the sealing cup, and a temperature control assembly is arranged on the measuring pipe. A refractometer is arranged in the detection box, and a transmission module is further arranged in the detection box. The method disclosed by the invention has the advantages that two groups of data are utilized to establish each stable standard curve at 25-30 DEG C, so that standard data can be checked at each temperature. And then the detection device is used for detecting the sample, the available hydrogen amount is obtained by comparing the standard curve at the corresponding temperature according to the detection temperature, the process of mutual correction at different temperatures is omitted, and errors generated in the process are erased, so that the detection data is more accurate.

The invention discloses an automatic purification device for high-temperature dust in a hearth and a working method of the automatic purification device, and belongs to the technical field of plate glass manufacturing. The device comprises a forming furnace, an annealing furnace, an automatic detection system and a purification and dust collection system, the furnace is positioned below the forming furnace; a plurality of first dust suction pipes are mounted in hearths of the forming furnace and the annealing furnace; the first dust suction pipe is connected with the purification and dust collection system through a connecting piece; the purification and dust collection system is connected and used for collecting hot air in the forming furnace and the annealing furnace and conveying the hot air subjected to filtering and dust removal into hearths of the forming furnace and the annealing furnace again through an air supply pipe; the automatic detection system is connected with the forming furnace or the annealing furnace and used for detecting the dust concentration in a hearth of the forming furnace or the annealing furnace and feeding the dust concentration back to the purification and dust collection system through the PLC control system. According to the invention, the concentration of tiny dust in the hearth can be detected on line, and the tiny dust in the hearth can be purified, so that the thermal adhesion defect of the glass surface is reduced.

The invention discloses a continuous flow ion chromatography combined system, which relates to the technical field of industrial water treatment, and comprises a total phosphorus content analysis continuous flow module and an inorganic phosphorus content analysis ion chromatography module, the total phosphorus content analysis continuous flow module is used for detecting the total phosphorus content and comprises a peristaltic pump, a mixed reaction coil, an ultraviolet digester, a first heating reaction tank, a second heating reaction tank and a flow detection tank, and the inorganic phosphorus content analysis ion chromatography module is used for detecting the inorganic phosphorus content and comprises a sample valve, a guard column, an ion chromatographic column, a suppressor and a detector. According to the continuous flow ion chromatography combined system, the total phosphorus content analysis continuous flow module and the inorganic phosphorus content analysis ion chromatography module work independently and do not interfere with each other, the total phosphate content, the organic phosphorus content and the inorganic phosphorus content in the phosphorus-containing scale inhibitor can be detected at the same time at a time, phosphorus-containing water treatment agent samples in the two modules cannot be subjected to cross contamination, and the detection accuracy is high. The interference of human factors on the detection result is reduced, and the accuracy is high.

The application discloses a screw rod part assembly section lead error detection structure and a detection method, the detection structure comprises an assembly plate, a screw rod, a wire rail, an extension structure mounting plate, a connecting plate, a plurality of elastic extension test structures, a pressure sensor and an eddy current sensor, the wire rail, the screw rod and the extension structure mounting plate are arranged in parallel on the assembly plate, the connecting plate is fixedly connected with a screw nut seat and is slidingly arranged on the wire rail, each elastic extension test structure comprises an extension block and a metal test piece, the extension block is slidingly arranged on the extension structure mounting plate, the metal test piece is arranged on the extension block, the pressure sensor is mounted on the connecting plate, and the eddy current sensor is mounted on the connecting plate and is arranged opposite to the metal test piece. The application can realize screw pitch error detection and lead error calculation of a machine tool in a part assembly stage, improve subsequent assembly process of the screw rod in the part assembly stage, improve assembly precision and assembly efficiency of the screw rod, and avoid the problem that it is difficult to adjust error out-of-tolerance found after whole machine assembly.

The application discloses a kind of rigid PCB metal hole copper-embedded structure visual detection systems, it is related to hole copper-embedded structure detection field, comprising: data acquisition module, for solving light source direction vector and collecting multi-angle image sequence;Specular reflection optimization module, for solving the unit normal vector distribution map of each point of copper-embedded structure surface and relative height map;Topographic feature module, for constructing three-dimensional topographic feature vector;Reflectivity correction module, for dynamically eliminating the overall drift of copper surface reflectivity;Texture feature module, for extracting the texture feature vector of copper-embedded hole edge;Defect identification module, for outputting defect type and corresponding confidence;Detection priority module, for determining the recheck priority and dynamic determination threshold of each copper-embedded structure. Through iterative rejection specular reflection pollution, high-precision three-dimensional reconstruction is realized, and the detection robustness and accuracy of high-reflectivity copper-embedded structure are improved by combining reflectivity self-calibration and multi-modal feature fusion.

The application discloses a device and method for measuring water guide laser water jet on line, the method comprising: obtaining laser data of a laser unit and water jet data of a water jet unit; processing data of a workpiece of a mechanical unit based on the laser data and the water jet data to obtain a data processing result; detecting a voltage value between a metal structure part of the water jet unit and the workpiece of the mechanical unit based on the data processing result to determine a water jet state according to the detected voltage value. The measuring method can be used without adding complex and expensive equipment, and the overall structure does not need to be greatly adjusted, and meanwhile, the measuring method can realize on-line measurement of the depth and further measurement of the processing state of the workpiece.

The invention discloses an autonomous identification method and system for an error degradation form of direct current measurement equipment, and the method comprises the steps: building an evaluation standard quantity based on the normal operation state after operation and historical data measured by the direct current measurement equipment in different error degradation forms; based on the measured historical data, establishing a mathematical model of a metering error degradation form of the direct current measurement equipment; extracting feature sample sets of different error forms based on the evaluation standard quantity; based on the feature sample set, establishing a direct-current measurement equipment error form identification model and training the direct-current measurement equipment error form identification model; and when the evaluation standard quantity detects that the metering error state of the direct current measurement equipment is abnormal, performing online detection on the metering error of the direct current measurement equipment by utilizing the established mathematical model of the metering error degradation form of the direct current measurement equipment, and performing online identification by applying the trained error form identification model of the direct current measurement equipment. According to the invention, workers can be helped to detect the abnormal state of the direct current measurement equipment in time.

The utility model belongs to the technical field of fuel cells, and provides a GDL cutting production line which comprises an automatic feeding device, an XRT detector, a cutting and sorting device and a sheet conveyor which are sequentially arranged. The automatic feeding device comprises a feeding rack, and a GDL discharging roller, a GDL waste material winding roller, a deviation rectifying shaft, an ultrasonic sensor, a pneumatic clamp, a material receiving platform and a first traction tool apron are arranged on the feeding rack. The cutting and sorting equipment comprises a cutting rack, and an adhesive tape discharging roller, a bottom supporting film discharging roller, a traction composite tool apron, a cutting tool apron, a second traction tool apron, a sorting and conveying mechanism, an adhesive tape waste winding roller, a bottom supporting film waste winding roller and an NG product storage box are arranged on the cutting rack. The feeding end of the sheet conveyor extends to the cutting and sorting device. According to the GDL automatic feeding and cutting device, GDL automatic feeding, cutting, sorting and rejecting and qualified product conveying can be efficiently and orderly achieved, the machining cost is greatly reduced, the cutting efficiency and the cutting quality are greatly improved, and the requirements of GDL automatic production and machining are met.

The invention discloses an on-line visual detection system and a detection method thereof, the on-line visual detection system is loaded on a die cutting production line of a metal material strip, and the on-line visual detection system comprises an image acquisition device and an image processing and analyzing device in communication connection with the image acquisition device; the image acquisition device is mounted on the die cutting production line, is positioned above the metal material strip, and is used for acquiring a 2D image of a product generated after die cutting of the metal material strip; the image processing and analyzing device is in communication connection with the image acquisition device and is used for processing the 2D image acquired by the image acquisition device so as to form a 2.5 D image corresponding to the 2D image; and judging whether the corresponding product has a defect according to the 2.5 D image, identifying the type of the defect when judging that the product has the defect, and generating a defect report. According to the technical scheme, on-line detection of the product formed by die cutting of the metal material strip is achieved.

This application relates to a gas detection device for semiconductor process manufacturing, comprising: a sample collector, a pre-concentration unit, a column oven, and a detector. The sample collector includes a gas collection chamber and a sample input channel, a sample output channel, and a gas purging channel connected to the gas collection chamber. Process gas is input into the gas collection chamber through the sample input channel. The pre-concentration unit is connected to the gas collection chamber through the sample output channel and performs adsorption and desorption treatment on the process gas from the gas collection chamber. A gas chromatography column is installed in the column oven, which is connected to the pre-concentration unit through a first gas transmission channel. The gas chromatography column separates the desorbed process gas. The detector is connected to the column oven through a second gas transmission channel and performs gas composition analysis on the separated process gas. This application enables online detection of process gases in the process chamber used in semiconductor process manufacturing, improving detection efficiency and flexibility.

This invention provides an online detection and analysis system and method for the components of traditional Chinese medicine (TCM) liquid extracts. Belonging to the technical field of liquid extract equipment, the system comprises a liquid sampling device that extracts the target liquid from the TCM extraction tank via a bypass circulation path; a filtration device is installed in the sampling path to filter the extracted liquid; a defoaming device is connected to the filtration device to defoam the filtered liquid; a temperature control device is connected to the periphery of the defoaming device to maintain the temperature of the liquid; and an online detection device is connected downstream of the defoaming device to perform component analysis on the filtered, defoamed, and temperature-controlled liquid using an online spectroscopic detection device, obtaining real-time component information. This invention achieves online detection of the components in the TCM extraction process, overcoming the lag of current offline TCM quality detection methods. It provides data support for real-time standardized control of TCM production, improves production processes, and enhances production efficiency and product quality.

The application discloses a terahertz time-domain attenuated total reflection method solvent water content detection system and method, relates to the online detection field of solvent water content by means of terahertz time-domain spectroscopy technology, and comprises a terahertz time-domain detection device for emitting a terahertz signal to an ATR sensor module, receiving a terahertz total reflection signal emitted from the ATR sensor module, and transmitting the terahertz total reflection signal to a data processing terminal; a first ATR sensor module for receiving a sample solvent to be detected and performing total reflection on the terahertz signal by means of the sample solvent to be detected; a second ATR sensor module for performing total reflection on the terahertz signal by means of a standard sample solvent; a sample solvent online liquid taking device for controlling the sample solvent to be detected to flow through the first ATR sensor module; and a data processing terminal for calculating the water content of the sample solvent to be detected according to the terahertz total reflection signal. The application can perform online nondestructive detection on the water content of a solvent.

The invention relates to the technical field of dust concentration detection, in particular to an online detection device and method for a dust concentration measuring instrument, and the online detection device comprises a dust collection module, a plurality of dust concentration measurement modules, a wind speed compensation module, a dust concentration analysis module and a dust concentration control module, each dust concentration measurement module is sequentially connected with a dust collection module and a wind speed compensation module, all the dust concentration measurement modules are connected with the same dust concentration analysis module, and the dust concentration analysis module is connected with a dust concentration control module. And each dust collection module is connected with one dust concentration measurement module, so that all-directional dust concentration detection can be carried out on a target area in which dust detection needs to be carried out, and the dust concentration in the target area can be accurately monitored.

The application discloses a GIS insulating gas health state detection method based on a MEMS optical fiber sensor and belongs to the detection field. First, a MEMS optical fiber sensor is used to obtain the reference value of SF6 in each GIS gas chamber; then, the real-time detection is carried out on the SF6 state parameters in each GIS gas chamber to obtain real-time working values; the real-time working values and the reference values are corresponded one by one respectively, and the difference operation is carried out to realize the "vertical comparison" of each state parameter; the change amount of each SF6 state parameter corresponding to the difference value is obtained; the change amount of the same SF6 state parameter between different GIS devices or between different gas chambers of the same GIS device is compared horizontally to obtain the abnormal device gas chamber or interval. The application can realize the operation health state monitoring of the GIS device by giving the fault early warning for the health state of the GIS insulating gas and judging whether the gas insulation performance and arc extinguishing performance meet the standards or not through the detection of the gas components.

The utility model discloses a testing device and a processing system for a solar cell. The testing device comprises a base, a transmission mechanism, a testing plate and a conductive assembly, the transmission mechanism is movably connected to the base, the test plate is connected to the transmission mechanism, the base is provided with a feeding station and a detection station, and the conductive assembly is arranged at the detection station; the test board is provided with a test surface used for placing a battery piece, one side of the test board deviating from the test surface is provided with a connecting terminal, and the connecting terminal is used for being electrically connected with the battery piece on the test surface; the transmission mechanism can move relative to the base so as to drive the test plate to move between the feeding station and the detection station; and when the test plate is located at the detection station, the connecting terminal is in contact with the conductive assembly, so that the battery piece is electrically connected with the conductive assembly. The testing device is simple in structure, convenient to operate and convenient to combine with equipment in a production line, and online detection of the battery piece can be achieved.

The invention relates to a fiber bragg grating sensing system for detecting the temperature of a lead-acid battery electrolyte and a method thereof, and belongs to the technical field of lead-acid battery monitoring. Comprising a fiber grating sensor; the fiber bragg grating sensor is connected with the SM130 fiber bragg grating demodulator through a single-mode fiber jumper wire with an FC interface, and the SM130 fiber bragg grating demodulator is connected with the computer; the fiber bragg grating sensor comprises a fiber core, a fiber bragg grating area and a cladding; the length of the fiber bragg grating area is 1-1.5 cm, the fiber bragg grating area is located in the cladding and prepared on the surface of the fiber core, and the center wavelength is 1550 + / -0.3 nm. And the central wavelength and temperature data of the fiber bragg grating are read and recorded in real time by accessing the SM130 fiber bragg grating demodulator. According to the technical scheme that the running temperature of the lead-acid battery is monitored by the implanted FBG sensor, the temperature change of the electrolyte in the lead-acid battery can be monitored in real time, and the FBG sensor is high in sensitivity and good in stability and can be implanted into the lead-acid battery to be used for a long time.