56results about How to "The detection process is short" patented technology

The invention discloses a cradle type five-axis machine tool rotating axes linkage error detection device and identification method, which are on the assumption that errors of X linear axis, Y linearaxis and Z linear axis are ignored or compensated compared with errors of rotating axes. A geometric error in the two rotating axes linkage process of the five-axis machine tool changes along with thechange of combination of two rotation angles, and different rotation angle combinations correspond to different space geometric errors. The invention provides a method for detecting the geometric error of the rotary axes by carrying out on-machine measurement of three different gears on four specifically designed test columns which are installed and clamped on cross-shaped guide rails and arranged in a circular shape through a contact type trigger probe installed on a machine tool spindle. The method comprises the following steps of 1, positioning, installing and clamping a test device; 2, dividing and combining A axis motion angles and C axis motion angles; 3, determining the number of test points on the test columns of each angle combination and probe detection direction; 4, detecting the space comprehensive error of the test columns; and 5, identifying and separating to obtain an AC geometric error.

A processing center hydraulic cam linkage reblading structure, comprising a drive wheel and a principal axis device arranged on a lathe body for driving a reblading arm to rotate. The inside of the principal axis device is provided with a spring and a push rod used for releasing knife; a push cylinder and a releasing knife cylinder are fixed on the lathe body; the inner cavity of the push cylinder is communicated with the inner cavity of the releasing knife cylinder by an oil pipe; the outer tip of a piston matched with the releasing knife cylinder is contacted with a push cam and a transmission pair is arranged between the push cam and the drive wheel; the outer end of a piston matched with the releasing knife cylinder is connected with an end shaft of a swaying rod and the other end of the swaying rod is axially connected with the principal axis device; the swaying rod leans on the tip of the push rod. When the drive wheel drives the reblading arm to rotate, the push rod can be pushed by the push cylinder and the releasing knife cylinder for releasing knife at the same time. The power comes from the drive wheel so as to achieve the linkage between the rotation of the reblading arm and the motion of the releasing knife. The structure provided by the present invention has the advantages of flexible and reliable motion, accurate interaction and simple overall structure.

When an instruction to execute a color registration adjustment process is given (S 1 ), an image forming apparatus deactivates a sheet feed driving section and a fixing unit (S 2 ), stops communications with external devices (S 3 ), invalidates control sensors excluding an operation section, a door sensor, and sensors involved in formation of images for adjustment (S 4 ), stops a fan (S 5 ), and then executes the color registration adjustment process by forming reference lines and correction lines on a transfer belt and detecting misregistration between them (S 6 ). With this image adjustment method, it is possible to reduce wasteful consumption of developer and efficiently execute the color registration adjustment in a short period of time.

The invention relates to a method for intelligently detecting a defective glass image. The method comprises the following steps: acquiring a shot image of to-be-detected glass; performing image preprocessing on the shot image to obtain a preprocessed image; performing image segmentation processing on the preprocessed image to obtain a first glass image; if the first glass image has the image defect, performing closed operation processing on the first glass image to obtain a second glass image; and subtracting the first glass image from the second glass image to obtain a defective glass image representing the shape of the defect. According to the scheme provided by the invention, the cut glass edge image is automatically detected, so that errors caused by manual measurement are avoided, the product detection efficiency of a glass production line can be improved, the risk that defective glass products flow into the market due to uneven cutting is further reduced, and the product quality is improved.

The invention provides a rapid calibration method for a comprehensive tester of a steam turbine speed regulating system, and aims to overcome the defects of poor objectivity and incapability of quantifying due to judgment by listening with ears and observing with eyes. The rapid calibration method comprises the following steps: mounting detection equipment on the comprehensive tester of the steam turbine speed regulating system, wherein detection probes are arranged on a signal generator, and are connected with a probe of the comprehensive tester of the steam turbine speed regulating system respectively; powering on the signal generator and setting parameters; measuring a forward transmission waveform of a signal transmitted by the signal generator; connecting the comprehensive tester of the steam turbine speed regulating system and the signal generator to a DEH (Digital Electric Hydraulic) system of a steam turbine, and testing time delays of loops of the DEH system of the steam turbine; connecting the same signal to each test point needing to be used of the comprehensive tester of the steam turbine speed regulating system in sequence, and analyzing measurement deviation of each test point; analyzing a detection result, analyzing an abnormal phenomenon occurring during measurement, and if necessary, repeating the above detection flow time after time till a cause of the problem is found and the problem is solved.

The invention discloses a device and a method for system power supply management, and a system with a function of power source energy saving management. The device comprises: a single-card energy saving management module, a system energy saving management module, and a power source energy saving management module, wherein the single-card energy saving management module is used to execute single-card energy saving action and generate single-card power variation which is corresponding to the single-card energy saving action, and the single-card power variation is sent to the system energy saving management module before the single-card energy saving action is executed. The system energy saving management module is used to calculate a system's expected power variation according to the single-card power variation after receiving the single-card power variation, and according to the system's expected power variation, the system energy saving management module controls the power source energy saving management module to adjust power output of the system's power module. The device, the method and the system overcome a technical problem of poor power source energy saving control efficiency of a system in the prior art, and achieve technical effects of more accurate power source energy saving control and maximum power source energy saving effect.

The invention relates to a detection method of vegetal single copy genes based on fluorescence in situ hybridization of quantum dots. By preparing quantum dot coupled DNA (deoxyribonucleic acid) as a probe, according to the traditional fluorescence in situ hybridization method, the hybridization detection of vegetal single copy genes is carried out on interphase nucleuses, chromosomes, DNA fibersor the like. In the method provided by the invention, a direct marking method is adopted, thus an antibody detection process is omitted; and because the quantum dots have high fluorescence intensity and can resist photo-bleaching, the sensitivity and resolution of hybridization are improved, and the vegetal single copy genes can be quickly and effectively located. The method provided by the invention can be widely used for drawing physical maps and analyzing the composition, structure, rearrangement, evolutionary relationship and the like of genomes.

The invention relates to a high throughput screening method for monoclonal antibody product cell strains through a two-dimensional liquid phase. The high throughput screening method comprises detection for a monoclonal antibody product through the two-dimensional liquid phase, wherein the monoclonal antibody product is bevacizumab. The method specifically comprises the following steps: (1) separating a first-dimensional liquid chromatogram; and (2) detecting a second-dimensional liquid chromatogram: draining fractions obtained by cutting the first-dimensional liquid chromatogram according to retention time to the second-dimensional liquid chromatogram for detection. According to the method, the screening efficiency is improved, the manpower is saved, and the possibility that a sample is degraded is avoided due to the fact that tedious sample treatment and storage steps are avoided, so that the accuracy of an analysis result is improved.

The invention discloses a system for detecting the sealing performance of emergency shut-off valves. The system comprises a test pipeline, a booster pump, a pressure release valve, a vent valve and apressure gauge, wherein a plurality of detecting stations are arranged on the test pipeline and are all used for installing the emergency shut-off valves; the booster pump is connected to a first endof the test pipeline; the pressure release valve is arranged on the first end of the test pipeline; the vent valve is connected to a second end of the test pipeline; and the pressure gauge is arrangedon the second end of the test pipeline. The system disclosed by the invention has the beneficial effects that a plurality of emergency shut-off valves are installed on the test pipeline, only one ofthe valves is opened at a time, a constant high pressure is set on one side of the valve and the pressure change of the other side is detected to judge whether the emergency shut-off valve in a closedstate meets the airtightness requirements or not; and therefore, the batch processing is realized and the detection efficiency is greatly increased.

The invention relates to a method and a device for detecting special-shaped conductors. The device comprises a special-shaped conductor positioning seat, which is provided with a special-shaped conductor positioning structure used for positioning one end of a special-shaped conductor. The device further comprises a position detection piece used for being positioned and matched with the other end of the special-shaped conductor to detect the relative positions of the two ends of a special-shaped workpiece. The special-shaped conductor positioning seat is provided with a detection part guide structure which is used for being in guide sliding fit with the position detection piece during the detection process of the position detection piece. The position detection piece is provided with a detection part positioning structure which is matched with the special-shaped workpiece in a positioning mode when the relative positions of the two ends of the detected special-shaped workpiece are qualified. The device is simple in structure, the position degree and the size precision of the special-shaped conductor can be rapidly determined through the position positioning piece. The detection process is shortened, the detection difficulty is reduced, and the detection accuracy is improved.

The invention discloses a gas leakage detection method. The gas leakage detection method based on a carbon dioxide sensor comprises the steps of sealing a workpiece to be detected in a container which is excellent in airtight property and constant-temperature and is provided with a carbon dioxide gas sensor, performing vacuum processing on the workpiece to be detected and the container, introducing pure carbon dioxide into the workpiece to be detected under certain pressure, periodically collecting the concentration of carbon dioxide gas in the container by the sensor, performing digitalization processing on an amplified concentration signal and inputting the concentration signal after digitalization processing to an upper computer which is a virtual instrument, and denoising digital signals which are subjected to various noise interferences; obtaining the concentration value, in the detection beginning, in the container and the concentration value, in detection finishing, in the container according to the denoised carbon dioxide, and calculating the leakage amount of the workpiece to be detected according to a formula. The gas leakage detection method is convenient, reliable and low-cost in detection processes.

This application is about a method for intelligently detecting defective glass images. The method includes: acquiring a photographed image of the glass to be tested; performing image preprocessing on the photographed image to obtain a preprocessed image; performing image segmentation processing on the preprocessed image to obtain a first glass image; if the first glass image has an image If there is a defect, the closing operation is performed on the first glass image to obtain a second glass image; the second glass image is subtracted from the first glass image to obtain a defective glass image representing the shape of the defect. The solution provided by this application avoids the error caused by manual measurement by automatically detecting the edge image of cut glass, and can improve the product detection efficiency of the glass production line, thereby reducing the risk of defective glass products entering the market due to uneven cutting. improve product quality.

The invention provides a method and a device for detecting lane occupation of a bus lane. The method comprises the following steps: obtaining the position of a bus; judging whether the position of thebus is in a preset bus dedicated lane area or not; if the position of the bus is in the special lane area of the bus, obtaining an original image collected by a camera; determining a bus lane line area and a moving target area in the original image; Under the condition that the size of the moving target area is within a preset vehicle area size range, judging whether the area of an overlapped area of the bus lane area and the moving target area is greater than a preset threshold value or not; and if the area of the overlapped area is greater than a preset threshold value, determining a targetdetection area based on the overlapped area, performing vehicle detection in the target detection area, and after the vehicle area is detected, performing license plate recognition on the vehicle area to obtain a license plate number of a vehicle in the vehicle area. By applying the embodiment of the invention, the detection accuracy is improved in the process of detecting the occupation of the bus lane.

The invention discloses an intelligent community security and protection system based on big data. The system comprises a visitor registration module, a face recognition module, a user terminal, a video acquisition module, an alarm module, a temporary storage module, an abnormity analysis module, an access control module, a radio frequency recognition module, an active infrared intrusion detector,a local database, a temporary access module, a data processing module, a display module and a controller. According to the system, the face image information of a temporary visitor is recorded in advance, so that the temporary visitor can freely enter and exit from the community within the set time. A resident is prevented from going downstairs for reception or going through a tedious registration procedure, the detection process is greatly shortened, and the access of a person without a card is facilitated. Meanwhile, the monitoring time is divided into a plurality of continuous and equal time periods, and the person activity condition of a monitored area of a community in the time period with the small people flow density is analyzed, so that the abnormal conditions of suspected tumbling, stealing, fighting and the like are found in time.