92results 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 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.

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 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.

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 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 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 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 bump structure on a substrate, comprising at least a first electrode, at least a first bump and at least a second bump. The first electrode is disposed on the substrate. The first bump is disposed on the first electrode. The second bump is disposed on the substrate, wherein the height of the second bump is higher than the height of the first bump. The elastic bump according to the invention can be used for testing quality of jointing technology.