32results about How to "Realize online non-destructive testing" patented technology

The invention belongs to the technical field of blisk laser shock strengthening, in particular to a laser shock strengthening device of a blisk. The laser shock strengthening device of the blisk comprises an upper computer, a track robot, a laser device, a light path system, a laser head, a water delivery system, a water delivery robot system and a monitoring system, wherein the upper computer is connected with the track robot, the laser device, the light path system, the laser head, the water delivery system, the water delivery robot system and the monitoring system, the blisk is connected with the tail end of an arm of the track robot through a clamp, laser emitted from the laser device is transmitted through the laser device and then irradiates a processing area of the surface of the blisk through the laser head, a flexible tube of the water delivery system is connected with a nozzle at the tail end of an arm of a water delivery robot of the water delivery robot system, and water is ejected from the nozzle to the processing area of the surface of the blisk. The laser shock strengthening device of the blisk has the advantages of being simple in structure, convenient to use, reliable in installation, high in processing efficiency and the like. Production efficiency is improved and uniformity and stability of shock strengthening are guaranteed at the same time.

A sheet material thickness online detection and adjustment system based on laser ultrasonic comprises a sheet material rolling mechanism and a sheet material thickness online detection mechanism. The sheet material rolling mechanism comprises an upper roller, a lower roller, an upper-lower roller interval adjust mechanism and a PLC control system, the sheet material thickness online detection mechanism comprises an optics system assembly, a high temperature testing meter, a data collection system assembly and a data process system assembly, the data process system assembly transforms bipolar signals which are aliased in peak values and complex in background noise into unipolar signals which are clear in peak values and low in background noise, so that the time that longitudinal wave and transverse wave reach the center of the bottom surface of the sheet material for the first two times is obtained, and thereby the sheet material thickness value is calculated, the measured sheet material thickness value is compared with a preset sheet material thickness value in the PLC control system, the PLC control system transmits forward rotating / backward rotation movement commands to a servo motor, so that the interval between the upper roller and the lower roller is adjusted, and the sheet material thickness value is made to be consistent with the preset sheet material thickness value.

A sheet thickness online measurement system based on laser ultrasound comprises a light path system integration, a high-temperature detection meter, a data acquisition system integration and a data processing system integration, wherein the light path system integration comprises a U-shaped grounding frame, a three-dimensional mobile platform and a control cabinet integrating with a laser transmitter and a light path regulating system; the data acquisition system integration comprises a capacitive displacement sensor, a pre-amplifier and a high-speed data acquisition card, the capacitive displacement sensor is arranged at the first distance position below the alignment position of the bottom surface of a sheet, the data processing system integration converts bipolar signals having aliasing peak values and complex background noise into unipolar signals having clear peak values and low background noise, and therefore the time when longitudinal waves and transverse waves reach the alignment position of the bottom surface of the sheet first two times is accurately obtained, and the thickness of the sheet is calculated. The sheet thickness online measurement system has the advantages that the sheet thickness online measurement system is suitable for online measuring the thickness of the sheet under extreme environments such as high temperature, strong corrosion and high radiation, thickness measurement is accurate, and errors are small.

The invention relates to a multi-channel detection and sorting device of shriveled walnuts. The multi-channel detection and sorting device is composed of a feeding device, a conveying device, an online imaging detection device, an online weighing device, a speed reduction device, an airflow type grading device and a rack. Single-grain feeding is carried out simultaneously on a plurality of channels through the feeding device; the online imaging detection device is mounted above a feeding conveyor belt and walnut image information is acquired in real time; walnut quality information is acquiredin real time through the online weighing device; whether walnuts are the shriveled walnuts or not is judged through a method fusing the walnut image information and the walnut quality information; finally, the shriveled walnuts are removed by utilizing the airflow type grading device. Compared with the prior art, the multi-channel detection and sorting device can realize multi-channel online detection and sorting of the shriveled walnuts, and the commodity quality and market price of the walnuts can be improved, the labor intensity of manually sorting the shriveled walnuts is reduced and theeconomic benefits are improved.

The invention discloses an online detecting method for wizened defects of insides of walnuts. The online detecting method comprises the following steps: acquiring an image of a walnut under a dynamic condition by using an industrial CCD camera, carrying out binarization processing on the image to obtain a projection area of the walnut, and meanwhile acquiring weight information of the walnut under the dynamic condition by using a weighing sensor and a digital acceleration sensor; carrying out regression analysis on the projection area and the weight of the walnut to obtain a walnut weight prediction model, and calculating by using the walnut weight prediction model to obtain predicted weight of the walnut, and calculating relative error between the predicted weight of the walnut and the real weight of the walnut, judging whether the detected walnut is a wizened walnut or not by using the relative error as a judgment threshold value, and breaking the hull to verify judgment accuracy; carrying out regression analysis on different judgment threshold values and judgment accuracies corresponding to the judgment threshold values; and finally, searching a fitting function between the judgment threshold values and the judgment accuracies by using a golden section method, finding out the optimal judgment threshold value, if the relative error of the weight of the detected walnut is greater than the threshold value, determining that the walnut is the wizened walnut, and if the relative error of the weight of the detected walnut is smaller than or equal to the threshold value, determining that the walnut is an abnormal walnut. Nondestructive detection of wizened walnuts can be realized by the projection area of the images of the walnuts and the weight information of the walnuts only, and the method is simple. Compared with the prior art, the online detecting method has the advantages that detecting cost is greatly reduced, detecting speed and accuracy are improved, and the online detecting method is suitable for factory large-scale production, and can be used for online detection of wizened defects of the insides of various nuts such as the walnuts.

The invention discloses an explosive compound pipe combining state detection method based on vibration response information. The explosive compound pipe combining state detection method comprises: applying excitation to an explosive compound pipe through a pulse exciter, and collecting the free decaying vibration response signal of the compound pipe; based on the characteristic of the vibration response signal, constructing a self-adapting dual-tree complex wavelet based function, and using the function in the modal character separation of the vibration response signal; extracting the time entropy indices of each order modal signal to form an original character set; based on a distance evaluation technology, selecting the time entropy index of the most sensitive frequency band from the original character set as the detection index; and finally based on the detection index change, determining the explosive compound pipe combining state. According to the present invention, the vibration response information is used to detect the pipe combining state, the method has characteristics of simpleness, reliability, easy performing, low cost, strong real-time property and the like, and is suitable for the real-time detection of the pipeline condition, the on-line nondestructive detection of the explosive compound pipe combining state is achieved, and the important engineering practical value is provided.

The invention provides a portable double-stand-column double-beam press-in instrument suitable for laboratory and field testing. A protective cover is installed outside the portable press-in instrument and used for protecting the internal structure of the press-in instrument, a window capable of being opened and closed is formed in the front face of the protective cover, and a user can conveniently check and operate the internal structure of the press-in instrument; the press-in instrument main machine comprises a handle, an upper beam, a left stand column, a right stand column, a voice coil motor module, a lower beam, a pressing head assembly, a dovetail groove moving platform, a pressing device and a press-in instrument base. the handle is connected and installed on the upper beam through bolts, four threaded holes are formed in the middle of the upper beam and used for connecting THE voice coil motor module, stepped holes are formed in two sides and used for installing and fixing the left and right stand columns, the upper ends of the stand columns are rigidly connected with the upper beam through nuts, and the lower ends are connected with a sliding table of the dovetail movingplatform through hexagon nuts. The machine frame is small in flexibility and good in testing stability, meanwhile, the three-dimensional in-situ observation system capable of being finely adjusted and the mobile platform with the adjustable measuring point position are integrated, and continuous online nondestructive testing can be conducted on a tested structure under the working conditions of alaboratory and a field / field.

The invention discloses a device and a method for detecting a internal fermentation state of a liquor starter piece based on a hyperspectral technology. The method comprises the following steps: acquiring hyperspectral data of a surface of a starter piece, using the hyperspectral data of the surface as a basis for judging internal and external fermentation states of the starter piece; comprehensively processing a picture of the starter piece and spectral information to obtain the hyperspectral data of the starter piece at specific points; combining an optimal hyperspectral data of the starterpiece at a specific band in a database with the hyperspectral data of the starter piece at the specific points, and obtaining the hyperspectral data of the surface of the starter piece at the specificband by deep learning; obtaining fermentation environment parameters of a starter room; judging whether the hyperspectral data of the surface of the starter piece at the specific band is a new type of hyperspectral data, if so, updating an established optimal nonlinear prediction mathematical model in real time and storing the data, if not, directly judging the internal fermentation state of thestarter piece based on the optimal nonlinear prediction mathematical model. The method of the present invention can achieve real-time measurement function of the starter piece under solid-state fermentation.

The invention discloses a laser ultrasound-based online air compressor cylinder surface crack detection method and system. The detection method comprises steps: (1) a pulse laser generator generates alaser beam, and the laser beam is incident to the surface of a to-be-detected cylinder to generate a detection ultrasonic signal; (2) a laser interferometer emits a detection beam and the detection beam receives the detection ultrasonic signal; (3) the detection ultrasonic signal is amplified and is then transmitted to a high-speed data acquisition card for being processed and is then transmittedto a data analysis system; (4) the data analysis system performs imaging detection on the detection ultrasonic signal; and (5) the detection result is displayed in real time. The online detection system comprises a PLC, the laser interferometer, the high-speed data acquisition card, the data analysis system, a display screen, the laser pulse generator, an optical path adjustment system and the like. The detection method in the invention has the advantages of completely non contact, high detection efficiency, high precision, and intuitive detection result, and the detection system can realizeonline, real-time, fast and accurate detection on the surface crack of the cylinder.

The invention discloses a method for monitoring a hole roundness error in deep hole drilling in real time. The method comprises the following steps: 1) acquiring a cutter bar vibration signal in deephole drilling in real time; 2) constructing an improved empirical wavelet threshold noise reduction method to be applied to cutter bar vibration signal processing, and realizing extraction and noise reduction of frequency multiplication signals of 8-frequency multiplication or above of the main shaft rotation frequency in the cutter bar vibration signals; 3) calculating the energy sum of the extracted frequency multiplication signals of 8-frequency multiplication or above of the main shaft rotation frequency after noise reduction as a detection index; and 4) monitoring the hole roundness erroraccording to the size of a detection index value. According to the invention,the method has the advantages of being simple, reliable, easy to implement, low in cost, high in real-time performance andthe like, is suitable for monitoring the deep hole roundness error in real time in engineering practice, achieves real-time, online and nondestructive detection of the hole roundness error in deep hole drilling, and has important engineering practical value.

The invention discloses an on-line detection method for hatching activity of hatching eggs based on least square method ellipse fitting, and relates to hatching egg detection technology. The method is as follows: ①Building an online detection platform for hatching activity of eggs; ②Collecting images of group hatching eggs; ③Segmenting images of group eggs by least squares ellipse fitting; ④Extracting image features; ; ⑥ test model. This method adopts the group egg image segmentation of the least square method ellipse fitting, and accurately separates a single breeding egg from the group egg image; by analyzing the color features and texture features of the image, 12 and 13 eggs are screened out respectively as Distinguishing the image features of non-sperm eggs and dead embryo eggs reduces the complexity of model calculations; using machine vision technology, it realizes the online non-destructive detection of the hatching activity of group breeding eggs, reduces the damage to breeding eggs, and improves the efficiency of egg enterprises for hatching. egg detection efficiency.

The invention discloses a vortex light beam detector and a preparation method thereof. The vortex light beam detector comprises a first substrate and a second substrate which are oppositely disposed and a cholesteric phase liquid crystal layer disposed between the first substrate and the second substrate. According to the vortex light beam detector, a first alignment film is formed on the side, close to the second substrate, of the first substrate and includes first alignment areas and second alignment areas, and alignment film molecules in the first alignment areas and the second alignment areas are oriented in a vector orthogonal array to form a Daman fork-like grating; a second alignment film is formed on the side, close to the first substrate, of the second substrate and disposed correspondingly to control a spiral structure of cholesteric phase liquid crystals between the two substrates to be twisted at 90 degrees in an array in neighboring areas to form a two-dimensional Daman fork-like grating based on the cholesteric phase liquid crystals, so that wide-band, high-efficiency, on-line nondestructive detection of vortex light beams by the detector is achieved, crosstalk between angular momentum of different tracks is avoided at the same time, and the detection capacity of the detector is increased.

The invention discloses a device and a method for non-destructive identification of a breeding egg. The device comprises breeding egg transporting supports, and chains arranged on the breeding egg transporting supports and used for placing and transporting an egg tray, wherein a detection device used for detecting the development condition of the breeding egg is arranged on the egg transporting supports; the egg tray is driven to horizontally move by the chains and passes through the detection device which is provided with an inlet and an outlet for entry and exit of the egg tray; the positions of the inlet and the outlet are respectively provided with a blackout curtain; and light of an LED lamp bead penetrates through the breeding egg and is received by a light quantity detection deviceto be transmitted to a processor for analysis, so the breeding egg is identified to be a live-embryo egg, an infertile egg or a dead-embryo egg. The device provided by the invention realizes automaticand non-destructive egg irradiation and breeding egg type identification, and has high detection accuracy and efficiency.

The invention discloses a method for detecting the mechanical strength of heat-treated wood, which is used for representing the mechanical strength of the heat-treated wood by measuring the color value of the heat-treated wood and realizing online nondestructive detection of the mechanical strength of the heat-treated wood. Specifically, a color mechanical strength characterization model is constructed by using a support vector machine, and the model construction process comprises the following steps of selecting a heat treatment wood test piece as a training group test piece, and measuring the color value and the mechanical strength of the training group test piece; constructing a heat treatment wood color mechanical strength characterization model based on a support vector machine; organizing a training sample set to train and learn the representation model; determining the color value of the test piece of the test group, organizing the test sample set, substituting into the characterization model, and calculating the mechanical strength; comparing the calculated mechanical strength with the actually measured mechanical strength, and adjusting parameters of the characterization model; and determining evaluation indexes of the characterization model. The method can realize on-line nondestructive detection of the mechanical strength of the heat-treated wood.

The invention relates to a method for non-destructively evaluating a lithium-cobalt molar ratio in a lithium battery electrode, which comprises the following steps of: defining an active material of the lithium battery electrode as lithium cobalt oxide M1-n, selecting a lithium cobalt oxide standard sample M0 with a known lithium-cobalt molar ratio N0,wherein the molar ratio of lithium to cobalt in the lithium battery electrode is N1-n; manufacturing a reference electrode by adopting the same process as the lithium battery electrode, assembling the reference electrode and the lithium battery electrode into a battery according to the same method, then carrying out specific capacity testing under the same condition, wherein the measured specific capacities of the battery are Q0 and Q1-n respectively, and the lithium-cobalt molar ratio in the lithium battery electrode is N1-n = N0 * (Q1-n / Q0). The sample to be tested does not need to decompose the battery, the requirement for the sample amount is avoided, online nondestructive testing can be achieved, and the method is particularly suitable for evaluating the lithium-cobalt molar ratio in the cycle performance testing process. Meanwhile, man-made interference is small, and the operation is convenient. In addition, used reagents are remarkably reduced, and the environmental pollution and pollution emission of a test room are reduced.

This application relates to an on-line detection method and equipment for the ash content of Chinese herbal decoction pieces. The equipment includes a conveyor belt for transmitting samples of Chinese herbal decoction pieces to be tested, a ray transmitter and a ray receiver. The ray transmitter and the ray receiver are distributed on two sides of the conveyor belt. On the side, the ray exit of the ray transmitter faces the ray receiver, the ray transmitter is used to emit rays to the Chinese herbal decoction pieces sample, and the ray receiver is used to receive the ray signal passing through the Chinese herbal decoction pieces sample, and the ray receiving The controller communicates with the controller; the online detection method uses the functional relationship between the ash content and ray attenuation, the moisture content of the sample, the fiber content of the sample, the sample weight, and the moving speed of the sample. On-line non-destructive testing of ash content in the production process of decoction pieces.

A method for real-time monitoring of hole roundness errors in deep hole drilling, 1) real-time collection of tool bar vibration signals in deep hole drilling; 2) constructing an improved empirical wavelet threshold noise reduction method, which is applied to tool bar vibration signal processing, Realize the extraction and noise reduction of the 8 times and above frequency multiplication signal of the spindle rotation frequency in the tool bar vibration signal; 3) Calculate the energy sum of the extracted noise-reduced 8 times and above frequency multiplication signal of the spindle rotation frequency, as Detection index; 4) According to the value of the detection index, monitor the roundness error of the deep hole. The method disclosed by the invention has the characteristics of simplicity, reliability, ease of operation, low cost, and strong real-time performance, and is suitable for real-time monitoring of deep hole roundness errors in engineering practice, and realizes real-time, online, and non-destructive drilling of deep hole roundness errors. Detection has important engineering practical value.

The invention discloses an online nondestructive detection system and method of quality of manufacturing members of metal additional materials and belongs to the field of online nondestructive detection. The system comprises a moving detection vehicle, a guidance rail, an online signal detection module and a control system. A column is arranged on the vehicle body of the moving detection vehicle. The guidance rail is movably connected to the column. The online signal detection module is movably connected to the guidance rail. Multiple probes are integrated into the online signal detection module and comprise probes used for detecting compositions, defects, deformation, stress, size precision and surface coarseness. During detection, the probes can be embedded into a 3D printing head of a feeding type additional material manufacturing device or be fixed on the moving detection vehicle. The probes are in signal connection with the control system. The invention also provides a method for carrying out online nondestructive detection of the system. According to the invention, the system and the method are widely applicable, highly expandable and capable of achieving onsite or remote online detection of manufacturing processes of feeding type metal additional materials.

The invention discloses a vortex light beam detector and a preparation method thereof. The vortex light beam detector comprises a first substrate and a second substrate which are oppositely disposed and a cholesteric phase liquid crystal layer disposed between the first substrate and the second substrate. According to the vortex light beam detector, a first alignment film is formed on the side, close to the second substrate, of the first substrate and includes first alignment areas and second alignment areas, and alignment film molecules in the first alignment areas and the second alignment areas are oriented in a vector orthogonal array to form a Daman fork-like grating; a second alignment film is formed on the side, close to the first substrate, of the second substrate and disposed correspondingly to control a spiral structure of cholesteric phase liquid crystals between the two substrates to be twisted at 90 degrees in an array in neighboring areas to form a two-dimensional Daman fork-like grating based on the cholesteric phase liquid crystals, so that wide-band, high-efficiency, on-line nondestructive detection of vortex light beams by the detector is achieved, crosstalk between angular momentum of different tracks is avoided at the same time, and the detection capacity of the detector is increased.

The invention discloses an on-line silk thread detection device and an on-line detection method. The on-line silk thread detection device comprises a tension increase and decrease unit and speed testing devices, wherein the tension increase and decrease unit comprises at least one power wheel for providing a stable driving moment or a damping moment; a driving system or a damping system is arranged on each power wheel; both sides of the tension increase and decrease unit are respectively an input end and an output of a silk thread; and the speed testing devices are arranged at the input end and the output ends to directly or indirectly test feeding speeds of silk threads. The on-line silk thread detection device disclosed by the invention is simple in structure, can be arranged in the silk thread processing process, and is capable of achieving on-line nondestructive detection on a whole silk thread section, and preventing the silk threads from being discarded because of detection damage.

The invention discloses equipment and a method for identifying living embryos of hatching eggs through photoacoustic coupling. The equipment comprises a hatching egg conveying device and a hatching egg detection device; the hatching egg detection device is arranged on the hatching egg conveying device; the hatching egg detection device comprises a detection dark box, excitation detection devices,a fixed plate, an air cylinder and a lamp panel; an egg disk with the living embryos is conveyed by the hatching egg conveying device and is subjected to nondestructive detection through the hatchingegg detection device; the air cylinder is arranged at the internal top of the detection dark box; the top end of the fixed plate is connected with the inner top surface of the detection dark box through the air cylinder; the lamp panel is arranged at the inner bottom of the detection dark box; a detection channel is formed between the fixed plate and the lamp panel; and a plurality of excitation detection devices are arranged on the fixed plate. The equipment for identifying existence of the living embryos can automatically identify whether living embryos exist in the hatching eggs, and has high detection precision and high efficiency.

The invention relates to the technical field of detection of agricultural and livestock products, in particular to a sex detection system and method for chicken embryonated eggs. The sex detection system for chicken embryonated eggs comprises: a conveying device used for conveying the chick embryonated eggs to a detection area one by one; an image acquisition device arranged in the detection areaand used for acquiring videos and images of the chicken embryonated eggs; and a processing device connected with the image acquisition device and used for carrying out one-dimensional heart rate signal extraction and two-dimensional vessel distribution image extraction on the videos and images of the chicken embryonated eggs, and for analyzing and judging the sex of the chicken embryonated eggs according to the characteristics of one-dimensional heart rate signals and two-dimensional vessel distribution images. According to the system and method, the videos and images of the chick embryonatedeggs are effectively extracted on the premise that egg shells are not damaged, the sex detection results for the chick embryonated eggs are obtained through processing of the videos and images of thechick embryonated eggs in cooperation with the subsequent processing device, online nondestructive sex detection for the chick embryonated eggs is achieved, the chick hatching energy cost is reduced,the production efficiency and detection efficiency of enterprises are improved, the operation is simple and safe, and the system and method meet the production requirements.

The invention discloses an explosive compound pipe combining state detection method based on vibration response information. The explosive compound pipe combining state detection method comprises: applying excitation to an explosive compound pipe through a pulse exciter, and collecting the free decaying vibration response signal of the compound pipe; based on the characteristic of the vibration response signal, constructing a self-adapting dual-tree complex wavelet based function, and using the function in the modal character separation of the vibration response signal; extracting the time entropy indices of each order modal signal to form an original character set; based on a distance evaluation technology, selecting the time entropy index of the most sensitive frequency band from the original character set as the detection index; and finally based on the detection index change, determining the explosive compound pipe combining state. According to the present invention, the vibration response information is used to detect the pipe combining state, the method has characteristics of simpleness, reliability, easy performing, low cost, strong real-time property and the like, and is suitable for the real-time detection of the pipeline condition, the on-line nondestructive detection of the explosive compound pipe combining state is achieved, and the important engineering practical value is provided.

The invention discloses a device and method for detecting the internal fermentation state of liquor koji based on hyperspectral technology. The method includes: obtaining hyperspectral data on the surface of the koji in real time, and using the surface hyperspectral data as a basis for judging the internal and external fermentation state of the koji; comprehensively processing the image and spectral information of the koji to obtain the hyperspectral data of the koji at a specific point; The hyperspectral data of the optimal specific band curve obtained in the database is combined with the hyperspectral data of the specific point curve, and the hyperspectral data of the surface of the specific band curve is obtained through deep learning; the fermentation environment parameters of the fermentation room are obtained; the surface of the specific band curve is judged Whether the hyperspectral data is a new type of hyperspectral data; if so, update the established optimal nonlinear prediction mathematical model in real time and store the data; if not, directly judge the internal fermentation state of the koji according to the optimal nonlinear prediction mathematical model. The invention can realize the real-time measurement function of the solid-state fermentation of koji.

The invention relates to an ash online detection method and equipment for traditional Chinese medicine decoction piece preparation. The equipment comprises a conveying belt for conveying a to-be-detected traditional Chinese medicine decoction piece sample, a ray transmitter and a ray receiver, the ray transmitter and the ray receiver are distributed on two sides of the conveying belt, a ray outletof the ray transmitter faces the ray receiver, the ray transmitter is used for transmitting ray to the traditional Chinese medicine decoction piece sample, the ray receiver is used for receiving a ray signal penetrating the traditional Chinese medicine decoction piece sample, and the ray receiver and a controller are in communication connection. By the online detection method, ash content in traditional Chinese medicine decoction pieces can be measured online in real time through a function relation between the ash content and ray attenuation, sample water content, sample fiber content, sample weight and sample moving speed, and online nondestructive detection of ash content during traditional Chinese medicine decoction piece production.

The present invention relates to the technical field of detection of agricultural and livestock products, and in particular to a sex detection system and method for embryonated eggs. The sex detection system for embryonated eggs includes: a transmission device for transporting embryonated eggs to the detection area one by one; image acquisition The device, the image acquisition device is arranged in the detection area, and is used to collect the video image of the chicken embryo egg; the processing device, the processing device is connected with the image acquisition device, and is used to extract the one-dimensional heart rate signal and the two-dimensional blood vessel distribution image of the chicken embryo egg video image Extraction, according to the feature analysis of the one-dimensional heart rate signal and the two-dimensional blood vessel distribution image to determine the gender of the chicken embryo. The invention effectively extracts the video image of the embryo egg without destroying the egg shell, and cooperates with the subsequent processing device to obtain the sex detection result of the embryo egg through the processing of the video image of the embryo egg, so as to realize the online nondestructive detection of the gender of the embryo egg. Reduce the energy cost of chick hatching, improve the production efficiency and detection efficiency of the enterprise, the operation is simple and safe, and it is suitable for production needs.