93results about How to "Judge quality" patented technology

The invention relates to a method for automatically detecting and evaluating the color of a piece of laser beam emitting paper and the quality of laser beams. The method comprises the following steps: putting and fixing a piece of laser beam emitting paper to be detected on a measuring platform by adopting an automatic detection system; setting the number of measuring points and the measuring step length of a color measuring instrument in the horizontal and vertical directions on the measuring platform; controlling the displacing, positioning and measuring of the color measuring instrument in the horizontal and vertical directions automatically, and reading the color information of the measured sample in different positions; analyzing and calculating the chromatic value by using a computer to obtain the CIELAB or CIEDE2000 color difference of the measured sample in different measuring positions; drawing a color difference distribution diagram, and detecting the color uniformity and rainbow cycle of the single laser beam emitting paper and the quality of laser beams according to the periodic distribution rule and the peak distribution rule of the color difference distribution diagram. By adopting the method provided by the invention, the problems of measurement value uncertainty and human error can be solved, and automatic detection can be realized. The method is easy and convenient to operate and can be used for measuring normatively with a small error.

The present application discloses a method for dynamically adjusting a definition mode in a video call, and a server. In the method, a second terminal receives a remote video data stream uploaded by afirst terminal and forwarded by a server, and returns image frame rate data and audio code rate data in the remote video data stream and a packet loss rate of the first terminal to the second terminal link to the server; and the server determines a video coding parameter modification strategy of the first terminal according to the image frame rate data, the audio code rate data or the packet lossrate, and sends the modification strategy to the first terminal, so that the first terminal adjusts video coding parameters thereof according to the video coding parameter modification strategy. In the method, the server can accurately judge the quality of the network environment of the current video call according to the image frame rate data, the audio code rate data or the packet loss rate actually received by the second terminal, and the adjusted video coding parameters of the first terminal can adapt to the current network environment, so that the user experience is improved.

A method of utilizing metal magnetic memory detection signal to diagnose welding crack of piping includes analyzing magnetic memory signal obtained by metal magnetic memory detector by applying Morlet wavelet function to decompose it to be detail part and large scale approximating part, carrying out discrete Fourier transform on detail part of said signal, carrying out delivery operation on transform amplitude value for obtaining K value and making decision scale be Ko, confirming that crack is on stress concentration position of detected section if K is not less than Ko, or otherwise not.

The invention relates to an automatic focusing method, by collecting the video signal of an original image after the imaging of an object to be measured by an objective lens in real time and changing the distance between the objective lens and the object to be measured, the automatic focusing of the object to be measured is realized. The automatic focusing method is characterized by comprising the following steps: 1. the comparable energy range value of the video signal is set and the maximum offset value M is evaluated; 2. the distance between the objective lens and the object to be measured is changed; 3. the energy of the video signal of the original image collected in real time is adjusted to be within the range of the comparable energy range of the video signal; 4. the low-frequency part of the video signal is filtered, and the high-frequency part of the video signal is retained; 5. other composite synchronous signals in the video signal are stripped; 6. small wave crests formed by interfering signals are eliminated; and 7. after being accumulated, the values of all the effective wave crests of each frame of image are compared. The method has the advantages of getting rid of the limitation of focusing process to the using occasions such as natural light, sunlight, incandescent light and the like, having high focusing accuracy and fast focusing speed.

The invention provides a detection device for street lights, which mainly detects the ballast of the street lights. The detection device consists of a detection circuit of an optical coupled voltage passing zero point, a stabilivolt source circuit, a controlling circuit with a relay, an inductance current detection circuit, a power carrier wave communication circuit and a microprocessor. The detection and controlling device adopts a simulated resistance load. When the device is used for detecting, the steps are as follows: A. the sine wave of an ac power is divided into four sections; B. the inductance current detection circuit carries out continuous sampling measurement in sequence; C. the result in the step B is subject to summation and then is compared; D. the result is transmitted to a monitoring center through the power carrier wave communication circuit. The device and method in the invention can fast and exactly detect all input and output parameters of the ballast and judge the quality of the ballast. The detection steps and the output types can be automatically combined for adapting to the measurement of different ballasts. The system error can be automatically corrected for ensuring the accuracy of the tested data.

The invention provides a yarn winding machine and a yarn winding unit. A spinning frame includes a winding device (13), a spinning device (9), a rotary encoder mechanism (52), a yarn joining device (43), a yarn joint monitor (47), and a carrier controller. The winding device (13) winds a spun yarn (10) to form a package (45). The spinning device (9) supplies the spun yarn (10) to the winding device (13). The rotary encoder mechanism detects a rotational speed of the package (45). The yarn joining device (43) joins the spun yarn (10) between the spinning device (9) and the package (45) to form a yarn joint (99). The yarn joint monitor (47) arranged downstream of the yarn joining device (43) in a running direction of the spun yarn (10) monitors the yarn joint. The carrier controller judges whether the yarn joint formed by the yarn joining device (43) is normal based on the moving speed of the spun yarn (10) obtained by the detection result of the rotary encoder mechanism and the monitoring result output from the yarn-joint monitoring device (47).

A compressor where welding between a casing and an inner component or welding between a barrel casing and an end casing has sufficient strength and the welding has low strain achieved by suppressing an influence of heat by welding. A method of producing the compressor (1, 101) has a positioning process and a welding process. The compressor has the casing (10, 11, 111) and the inner component (60, 125) received in the casing. The casing has at its inner surface (11s, 111s) a first section (11a, 11w, 111w), and the inner component has a second section (60a, 61, 125b). The second section faces the first section. The first section and the second section are made to face each other in the positioning process. In the laser welding process, a laser beam is applied to at least a portion of the part where the first section and the second section are faced each other to laser-weld the casing and the inner component together.

The invention discloses a method for creating a multi-index quantitative fingerprint spectrum for food retention-removing and cough-relieving oral solution for children, which includes the following steps: high-performance liquid chromatography (HPLC)-diode array detector-electrospray ionization-quadrupole-time of flight mass spectrometry combination is adopted to detect chemical information characteristic peaks of a variety of common chemical substances in multiple batches of food retention-removing and cough-relieving oral solution for children, and according to the detected chromatographic peaks of a variety of the common chemical substances in the multiple batches of retention-removing and cough-relieving oral solution for children in combination with multi-index ingredient content determination, a fingerprint spectrum of the food retention-removing and cough-relieving oral solution for children is created. The method adopts the HPLC-DAD-ESI-Q-TOF / MS technique to analyze and identify chemical ingredients in the food retention-removing and cough-relieving oral solution for children, quality control indexes are chosen in reference to the principle of concerted application of Chinese herbal medicines and by referring to individual herb quality control indexes in one volume of 2015 edition of Chinese Pharmacopoeia and an identification result of each common peak, an HPLC multi-index quantitative fingerprint spectrum is created on the basis, and thereby a relatively comprehensive method and technical support are provided for the research on the evaluation of the overall quality of the food retention-removing and cough-relieving oral solution for children.

The invention discloses a device for detecting activity of stored grain and a method thereof. The device comprises a micro air pump, a sensor array, a signal acquisition and conversion circuit and a computer, wherein the micro air pump is used for sucking the smell of the grain from a grain sample tank; the sensor array is connected with the micro air pump for outputting an electric signal which is generated after the interaction with the smell; the signal acquisition and conversion circuit is connected with the micro air pump and the sensor array for controlling the work of the micro air pump, acquiring the electric signal from the sensor array and converting the electric signal; and the computer is connected with the signal acquisition and conversion circuit for controlling the work of the signal acquisition and conversion circuit, extracting and analyzing the characteristic value of the data subjected to the processing of the signal acquisition and conversion circuit and judging the quality and / or activity level of the grain according to the analysis result. The device and the method can quickly judge the quality and / or activity level of the stored grain.

The invention discloses a full-automatic thin film coiled material packaging production line and belongs to the field of thin film coiled material packaging production. The full-automatic thin film coiled material packaging production line comprises a coiled material from a splitting machine and is characterized by sequentially comprising a conveyer belt, a positioning table station, an air bubblefilm coating station, a paper cover foam pad buckling station and an overturning table stacking station from right to left, wherein a packaging tool manipulator is arranged on the upper side of the positioning table station; the air bubble film coating station is arranged on the upper side of a hot melting mechanism; a lifting manipulator is arranged on the upper side of the air bubble film coating station; a stacking manipulator is arranged on the upper side of an overturning table; and a detecting device is arranged between the conveyer belt and the positioning table station. The full-automatic thin film coiled material packaging production line can realize mechanization of full-automatic packaging and remarkably improves the packaging efficiency; and in addition, the detecting device can timely detect defective products and timely dismantles and re-packages the defective products, so that material waste is reduced, the quantity of the defective products is reduced, and the packaging quality of the coiled material is improved.

The invention relates to a non-volatile LED (Light Emitting Diode) lamp operation data recording method based on the Internet of things. The method comprises the following steps: (1) after a power supply supplies power, a control module begins to work; (2) the control module detects whether the LED lamp works; (3) when the LED lamp begins to work, accumulated working time and consumed power energy are recorded; (4) if the controller detects that the LED lamp does not work or the power supply is cut off, the calculation on the accumulated working time and the consumed power energy is stopped, and the operating data are written into the storage module; (5) handheld mobile equipment reads the operation data of the LED lamp in a wired or wireless communication manner; and (6) after the operation data of all LED lamps are collected, the data can be stored and collected, and the data are submitted to other application channels to be analyzed and utilized. According to the non-volatile LED lamp operation data recording method, each lamp is endowed with one identifier, a communication interface is provided, the operation life cycle of the LED lamp is detected and managed, and the energy saving application modes, such as EMC (Energy Management Contract) and the like, can be supported.

The invention relates to a device and method for measuring a high depth-diameter ratio microporous recast layer on a transparent material and belongs to the technical field of optical measurement. The device comprises a linear coherent light source, a polarizing device, a beam compressing device, a beam expanding device, a polarization detection device, a light intensity detector and a data processing computer. In processing, a material lattice structure and density in a transparent material processing zone are changed so that optical properties (such as a refractive index) in a processing influence zone are changed. Through change of refractive indexes of materials nearby measurement micropore walls, recast layer thickness and refractive index change is determined. The method for measuring a high depth-diameter ratio microporous recast layer on a transparent material can be widely used in fields of micropore processing field research, micropore processing technology improvement and micropore application research. The method and device can realize accurate measurement of a microporous recast layer on a transparent material.

The invention discloses a wafer-level capacitive acceleration meter automatic testing system comprising a microprocessor, a host computer connected with the microprocessor, four capacitive digital converters, a first digital-to-analog converter, a second digital-to-analog converter, a first relay, and a second relay. The microprocessor controls the digital-to-analog converters and the relays, applies DC voltage to the two fixed electrodes of a capacitive acceleration meter at different time in order to generate electrostatic force and simulate external acceleration. The four capacitive digital converters are controlled by the microprocessor and transmit the capacitance values, acquired at different time, of the capacitive acceleration meter to the microprocessor. A capacitance change value is calculated by the microprocessor. The wafer-level capacitive acceleration meter automatic testing system achieves a purpose of testing a parameter and determines the quality of the capacitive acceleration meter.

The invention provides a detection method for determining the surface quality of titanium alloy components after being subjected to vacuum heat treatment. The detection method comprises two steps of preparing standard sample pieces, contrasting and determining. The step of preparing the standard sample pieces comprises the following processes of firstly selecting eight titanium alloy component samples; then numbering the eight titanium alloy component samples; subsequently, putting the numbered titanium alloy component samples into an air furnace respectively for carrying out heat treatment, enabling different sample piece colors to correspond to different temperatures, and taking the titanium alloy component sample pieces subjected to heat treatment as the standard sample pieces; finally dividing the eight standard sample pieces to 1-8 grades according to the principle that the thicknesses of surface oxidation films are in one-to-one-correspondence with the surface colors; determining which grades in the 1-8 grades are qualified and which grades are unqualified according to oxidation color samples of different the titanium alloy components. The step of contrasting and determining comprises the following steps: contrasting colors of the titanium alloy component samples subjected to vacuum heat treatment to the colors of the eight standard sample pieces, and determining which grade the titanium alloy component samples belong to, so as to quickly and accurately determine the quality of vacuum heat treatment surfaces of the titanium alloys, and guarantee the vacuum heat treatment quality and the production efficiency of parts.

A system for preparing a pharmaceutical compound comprises: a computing device comprising a user interface providing an operator with instructions for preparing the pharmaceutical compound and at least one processor operatively connected to the user interface; a scale operatively connected to the at least one processor; and an image capture device operatively connected to the at least one processor and the scale and positioned to capture an image of at least one of a component used in preparing the pharmaceutical compound and the pharmaceutical compound.

The invention relates to the technical field of lithium battery electrolyte detection, particularly to a detection method of a lithium hexafluorophosphate solution. By utilizing a gas chromatograph to detect the content of the volatile component POF3 contained in the gas phase component of the lithium hexafluorophosphate solution, the involvement degree of impurity moisture in a lithium hexafluorophosphate solution generation process can be inferred reversely. The method provided in the invention takes the content of harmful impurity POF3 as a new detection index for evaluating the lithium hexafluorophosphate solution quality, and further judges the lithium salt quality on the basis of hydrofluoric acid, moisture, metal ions and other existing detection technologies. The method provided in the invention has the advantages of simple and rapid operation, low cost, as well as better operability and practicability, thus having vital significance to quality control of lithium battery products.

The invention provides a low-strain double-speed signal averaging detection method for a building hollow pile. The low-strain double-speed signal averaging detection method for the building hollow pile is applied to a pile body of the building hollow pile. The method comprises the steps of determining a knocking point on the surface of the pile top of the building hollow pile; arranging two or more signal acquisition devices on the surface of the pile top of the building hollow pile as measurement points for the pile body of the hollow pile, wherein an included angle of 45 degrees is formed between the position where one of the signal acquisition devices is arranged and the knocking point, and an included angle of 135 degrees is formed between the position where the other signal acquisition device is arranged and the knocking point; when knocking action at the knocking point is received, obtaining a measurement point signal from each signal acquisition device, and obtaining a double-speed test curve containing all the measurement point signals; and conducting averaging processing on the double-speed curve, so that a detection result of the pile body of the building solid pile is obtained. By means of the detection result obtained through the detection method, compared with an existing sampling method, pile body integrity of the pile body of the building hollow pile can be judged more accurately.

The invention belongs to the field of unmanned aerial vehicles, A traceability system of agricultural products based on unmanned aerial vehicle is provided, comprises a cloud platform, an unmanned aerial vehicle communicating with the cloud platform, and a ground station communicating with the cloud platform and the unmanned aerial vehicle, wherein, the ground station is used for generating a plant protection operation scheme according to the acquired plant protection operation drug / fertilizer information and field information, and sending the scheme to the unmanned aerial vehicle, and receiving the plant protection operation information sent by the unmanned aerial vehicle; The unmanned aerial vehicle (UAV) is used for executing plant protection operation tasks according to a plant protection operation scheme, and sending plant protection operation information to a cloud platform and a ground station; The cloud platform is used for receiving plant protection operation information sentby the unmanned aerial vehicle or the ground station, and outputting the plant protection operation information after analyzing and processing. The invention realizes the recording of the drug or fertilizer information in the crop growth process based on the unmanned aerial vehicle, can monitor the source, quality, frequency, dosage and the like of the drug / fertilizer production of the crop, and takes the growth process of the crop well as an important part of the agricultural product traceability archives.

The invention discloses a method and a device for computing influence degree of external sources on website traffic fluctuation which are executed in a computing device. The method comprises: obtaining page view PV and unique visitor UV of a plurality of external sources in two periods, computing the total fluctuation quantity in the two periods, wherein the total fluctuation quantity is the difference of the total quantity PV / UV in the second period and the total quantity PV / UV in the first period; computing the fluctuation influence quantity of every source in the two periods, wherein the fluctuation influence quantity of every source is the sum of the first fluctuation quantity and the second fluctuation quantity, wherein the first fluctuation quantity is the product of the specific value of the UV of every source in the second period and the total UV, and the PV / UV fluctuation quantity of every source in the two periods, the second fluctuation quantity is the product of the difference of the PV / UV of every source in the first period and the total quantity PV / UV, and the ratio of the UV of every source and the total UV; computing the fluctuation influence degree, wherein the fluctuation influence degree is the specific value of the fluctuation influence quantity of every source and the total fluctuation quantity. The invention also discloses a device for computing influence degree of external sources on website traffic fluctuation.

The invention relates to a signal processing method used for manned space communication. The signal processing method used for manned space communication comprises the steps of S1, by a manned spacecraft, performing mapping processing on initial data frames sent to an extravehicular target object; S2, performing spectrum spreading processing on the initial data frame after being subjected to the mapping processing; and S3, performing scrambling synchronous processing on the initial data frames after the spectrum spreading processing so as to generate transmission data frames. As check codes are attached, checking for the received signals by subsequent target objects is guaranteed, and a key role for guaranteeing normal communication between the manned spacecraft and the target objects is played. Due to the time gap multiplexing processing and spectrum spreading processing, forward signals are guaranteed to be received precisely by the target objects, interference on communication signals between objects is avoided; as the spectrum spreading processing is adopted, multiple forward links can be connected between the manned spacecraft and multiple target objects, simultaneous communication between the manned spacecraft and multiple target objects is guaranteed, and the communication efficiency between the manned spacecraft and the target objects is increased.

The present invention discloses a preparation method and a detection method of phospholipid tea polyphenol dried fish floss. The preparation method comprises the following steps: firstly, washing fish; secondly cooking the fish; thirdly, cooling the fish and removing fish skin, fat and fish bones; fourthly, deodorizing; fifthly, squeezing; sixthly, adding a phospholipid tea polyphenol compound; seventhly, rubbing the floss and continuously adding edible salt, white granulated sugar and pea powder; eighthly, stir-frying the floss using low heat until a water content is about 12%; and ninthly, stir-frying the floss to be crisp, and conducting cooling, canning and storing. The prepared phospholipid polyphenol dried fish floss by the preparation method can release tea polyphenols slowly, thusa long-term anti-oxidation effect is played, and a storage period of the dried crucian floss is improved. Besides, the detection method can quickly and accurately detect a fatty acid content in the dried fish floss and further determines an oxidation situation of meat quality of the dried fish floss.

The invention discloses an LED display backboard detection device, which comprises: a carrying platform, a conductive circuit board and LED binding surfaces, wherein the conductive circuit board comprises a plurality of LED binding surfaces, each LED binding surface is connected with a conductive circuit in the conductive circuit board, and each LED binding surface is connected with LED light-emitting elements on to-be-detected backboard in a one-to-one correspondence manner; and a signal controller used for providing voltage for the conductive circuit board. According to the invention, the conductive circuit board transmits voltage to each LED light-emitting element on the to-be-detected backboard and lightens each LED light-emitting element, and the quality of the corresponding positionof the to-be-detected backboard is judged according to the brightness degree of each LED light-emitting element.

The invention relates to a rapid evaluation tool and a rapid evaluation method for weld quality of butt-fusion welding. The rapid evaluation tool is characterized by comprising rubber handles, arms of force, test strip-fixing pins, and test strip treatment modules, the two sets of test strip treatment modules are symmetrically arranged on the left and the right, and are movably connected through a connecting roller at the joint, test strips to be tested are fixed by the test strip-fixing pins on the tops of the test strip treatment modules, the outsides of the left test strip treatment module and the right test strip treatment module are respectively connected to an arm of force, the rubber handles are arranged on the hand-held parts of the arms of force, and thereby a lever structure with the roller as a fixed point is formed. The rapid evaluation tool is easy to operate, and operation can be carried out by only two persons when a weld tensile failure test is performed; when being carried out, the weld tensile failure test is quick and direct, and the whole process can be completed in only a few of minutes; the application range is wide, and the tool can be applied to the inspection of butt-fusion welds of most calibers of common polyethylene pipes, and is not limited by external diameters and wall thicknesses of pipes.

The invention discloses a determination method for protein powder freshness. The method comprises the following steps: firstly adding a protein powder sample into a mixed solution of a hydrochloric acid solution and an oxalic acid solution, evenly mixing, then heating the solution in a nitrogen atmosphere, cooling to room temperature, and filtering to obtain a filtrate taken as a test solution; and respectively injecting a furosine standard solution and the test solution into a high performance liquid chromatograph and carrying out detection so as to obtain the content of furosine in the test solution, wherein the content of furosine in the test solution is taken as an evaluation index of the protein powder freshness. The method based on innovative combination of earlier stage treatment in a chemical method and reversed phase ion-pair chromatography is utilized to determine the content of furosine in protein powder. The method for determining the product quality and the freshness of the protein powder has the characteristics of accuracy, rapidness, simplicity and good repeatability. Thus, the method is suitable for quantitative analysis of furosine in the protein powder and can also be used for judging the freshness and the quality of the protein powder.

The invention provides a preparation method of high, medium and low-poly theabrownin. The method comprises the following steps: 1, extracting Pu'er tea by water to obtain an extracting solution, and centrifuging the extracting solution to obtain supernate after concentrating; 2, adding ethanol to the supernate to obtain sediments, adding water to dissolve the sediments, centrifuging to obtain centrifugate, and drying to obtain dry theabrownin powder; 3, dissolving the dry theabrownin powder by water, and obtaining different polymerization degrees of theabrownin by using a filter membrane filtering method.

The invention discloses a quality detection device of a seamless steel pipe and a detection method. The method comprises the following steps: 1) collecting pictures; 2) obtaining a difference graph; 3) obtaining a binary graph of the difference graph; 4) obtaining an edge graph; 5) finding a diameter characteristic point pair; 6) fitting diameter characteristics in step 5) into two straight lines;7) calculating the average diameter of the to-be-detected steel pipe; 8) calculating the midline of the two straight lines obtained in step 6); 9) saving an image of a detection area; 10) obtaining abinary map of the detection area; 11) obtaining a new binarization graph; 12) saving each connected component picture; 13) judging whether each connected component belongs to a background or a defect; 14) drawing a conclusion. According to the method, diameter and surface defect information of the seamless steel pipe can be accurately measured from one picture for detection, and quality of the steel pipe can be judged according to detection results. The invention further discloses the quality detection device of the seamless steel pipe.

The invention discloses a recycled aggregate mortar content detection method and device based on deep learning, and belongs to the field of visual detection of deep learning, a first data set mixed with pure aggregate and pure mortar is adopted to train an image segmentation model, and a basic model is obtained; segmenting the second data set to obtain a third data set; disorganizing the first data set, the third data set and the fourth data set to obtain a fifth data set, and using the fifth data set to train a deeplab-based semantic segmentation model to obtain a final model; images of different surfaces of the recycled aggregate to be detected are obtained and segmented through the final model, and after a second segmentation result is obtained, the ratio of the mortar content to the connected domain area is calculated; the relation between the water absorption of the standard aggregate and the proportion of the mortar content and the connected domain area is obtained, the water absorption of the to-be-detected recycled aggregate is calculated according to the relation and the proportion of the mortar content and the connected domain area, and the problems that the performance of the recycled aggregate cannot be detected in real time, and the detection efficiency is low are solved.

The invention provides a rat-proof and termite-proof cable and a preparation method thereof. The cable comprises a cable core and a protective layer. The protective layer mainly comprises an inner sheath, a nylon sheath and an outer sheath. The nylon sheath is mainly prepared from nylon resin, a modifier, a lubricant, an antioxidant, aluminum hydroxide, zinc borate, an anti-termite master batch, silicone master batch and brown fused alumina micro powder. According to the invention, the inner sheath is added, and the nylon sheath is arranged between the inner sheath and the outer sheath to formthe rat-proof and termite-proof layer, so that the mechanical and physical properties and strength of the cable are improved; an excellent protection effect can still be achieved under the conditionthat the outer sheath is damaged; and the cable is stable and long in duration time; and compared with a common rat-proof and termite-proof additive, the nylon sheath has a more environment-friendly effect and does not cause pollution to soil and the environment.

The invention relates to a support hanger monitoring method and system for building mechanical and electrical installation, and the method comprises the steps: obtaining the bearing force of a plurality of spring support hangers to a pipeline in real time, obtaining different bearing force data, and associating with corresponding support hanger identifiers; sending different supporting force data to a judgment model, and identifying and acquiring a threshold interval corresponding to the supporting force data; judging whether the supporting force data is located in a corresponding threshold interval or not to obtain a judgment result; when a certain piece of supporting force data is not in the corresponding threshold interval, generating an information acquisition instruction based on the support hanger identifier corresponding to the supporting force data, and sending the information acquisition instruction to the cloud data terminal; and when a support hanger data packet corresponding to the support hanger identifier from the cloud data terminal is received, generating an abnormal message and sending the abnormal message to the user terminal, the abnormal message comprising the support hanger data packet and the supporting force data. The pipeline has the advantages that the pipeline is not prone to thermal displacement, and the service life of the pipeline is prolonged.