141results about How to "Avoid human factors" patented technology

The invention relates to a visual detection method and device for defects of a liquid crystal display screen. The method comprises the following steps: adjusting positions of buttons of button disks of a matrix electromagnetic switch according to the arrangement situation of keys of a sample to be detected, so as to enable the positions of the buttons to be fit with the arrangement of the keys of the sample to be detected; collecting a template image of each button in an off-line manner; collecting the image of the liquid crystal display screen in real time by using a CCD (charge coupled device) and a lens which are connected with an embedded processor; catching one frame of an image to be detected, and performing four steps of preprocessing operation of color image graying, binaryzation, median filtering and positioning by a projection method on the image; performing template matching calculation on the preprocessed image and the template images by a sliding template matching method, obtaining a visual detection result of the defects, and performing character recognition on the result without defects. The invention also provides a corresponding system device. The method provided by the invention has the advantages of high speed and high accuracy, overcomes the defects of low manual defect detection efficiency of the liquid crystal display screen, high cost and poor consistency, and meanwhile, realizes integration of detection and recognition.

The invention discloses a multicast detection device and method for full-depth tooth side face defects of a bevel gear. In the invention, a multi-camera synchronous acquiring and processing mode is adopted, and a multicast detection method for full-depth tooth side face defects of a bevel gear having the advantages of high speed, high accuracy, high recognition rate, low hardware cost and convenience for operating and maintaining is realized. The method further has the advantages of high automation degree and high security.

The invention discloses a steel wire rope as well as a breakage early-warning device and method thereof. The steel wire rope comprises a fine steel wire and at least one lead provided with an insulation layer, the lead and the fine steel wire are twisted and wound together so that the lead and the fine steel wire can be retracted synchronously. The breakage early-warning device of the steel wire rope comprises an alarm, the steel wire rope, a signal detector and a controller; the leads on two ends of the steel wire rope are electrically connected with a signal input end of the signal detector; and the signal output end of the signal detector is electrically connected with the signal input end of the controller, and a control signal output end of the controller is electrically connected with the alarm. The steel wire rope disclosed by the invention has the outstanding characteristics of facilitating electric connection and improving the intelligent degree of real-time detection of the tensile force of the steel wire rope so as to avoid human factors as much as possible.

The invention discloses a valve plate grinding machine, belongs to a grinding device and particularly belongs to a device utilizing a grinding plane in a star gear structure. According to the structure of the valve plate grinding machine, a grinding disc is mounted on a bracket, an outer ring is fixed at the periphery of the upper surface of the grinding disc, an inner gear ring is arranged on the inner side of the outer ring, a center shaft penetrates through the center of the grinding disc, a center gear is fixedly arranged on the center shaft, 2-4 planet gear rings distributed in an array manner are mounted between the inner gear ring and the center gear, the center shaft is mounted on an output shaft of a speed reducer mounted on the bottom surface of the grinding disc, and a speed reducer driving wheel is connected with a motor fixed on the bracket through a chain or a belt; the motor drives a main shaft of the speed reducer to rotate through a belt wheel so as to drive the center gear mounted on the main shaft of the speed reducer, the inner gear ring is fixed, and the center gear rotates to drive hollow planet gears to rotate around the main shaft of the speed reducer; valve plates are arranged in valve placement regions of the hollow planet gears, grinding sand is sprayed on the grinding disc, and the valve plates rotate along the hollow planet gears, so as to achieve a grinding purpose.

The invention discloses a high-temperature high-pressure supercritical carbon dioxide capillary viscometer and a utilization method thereof. The high-temperature high-pressure supercritical carbon dioxide capillary viscometer comprises a first intermediate container, a second intermediate container, a first electromagnetic stirrer, a second electromagnetic stirrer, a carbon dioxide source, a constant-speed constant-pressure tracking pump, a first water storage tank, a polishing capillary, a differential pressure transmitter, a back-pressure valve, a first pressure gauge, a booster pump, a second water storage tank and a constant-temperature device. The viscometer overcomes the defect that conventional high-pressure capillary viscometers fail to measure compressible fluid, is applicable to estimation of viscosity of any types of non-Newtonian fluids, avoids measurement errors caused by increase and decrease of carbon dioxide for changing pressures, improves experiment precision, and realizes estimation of variation relation of fluid viscosity along with shear rate at different temperatures and under different pressures in one experiment to further realize continuous operations, thereby providing a technical support for oil field onsite drilling and fracturing construction schemes.

The invention discloses a costful lacquer-like veneer-overlay multilayer board and a preparation method thereof. The costful lacquer-like veneer-overlay multilayer board which comprises a baseplate and a wood veneer which is cemented to the baseplate is characterized in that a UV lacquer decoration layer is adhered to the surface of the wood veneer. One side surface of the wood veneer is painted through a lacquer drenching machine or a lacquer rolling machine and then is clung to the surface of a glued board, is stood for 65 to 80 hours after cold press and heat pressing, is sawed to form needed product standards, and then is painted by the lacquer drenching machine or the lacquer rolling machine again; wherein, the thickness of the wood veneer is 0.3 to 0.6mm. The multilayer board adopts UV lacquer to paint the surface of the wood veneer and has no pollution to the constructional spot environment; hazardous substances in plank stuffs are released ahead of time at the same time because the painted plank stuffs are processed through cold press and heat pressing; therefore, no pollution is caused to the environment when in subsequent service, too. The costful lacquer-like veneer-overlay multilayer board of the invention has the advantages that the surface quality is good, the smooth finish is high, and the corrosion resistance and the pollution resistance performance of the surface are excellent.

The invention discloses a vehicle peccancy monitoring method and device, and a server. The method comprises the steps of acquiring motion state information of a vehicle and first vehicle identifier information; determining the license plate information of the vehicle via an intelligent contract, and judging whether the current vehicle breaks a license plate restriction or not by using the licenseplate information, the locally pre-stored license plate restriction information and the motion state information; if the current vehicle breaks the license plate restriction, determining the digital identity of a vehicle owner by using a locally pre-stored mapping relation and the first vehicle identifier information, and distributing a corresponding electronic peccancy ticket to a payment accountcorresponding to the digital identity. According to the method, device and server, the motion state information and the first vehicle identifier information of the vehicle are acquired at first, thenthe condition that whether the current vehicle breaks the license plate restriction is judged via the intelligent contract, the manual factors can be completely eradicated, the condition that whetherthe vehicle breaks the license plate restriction is effectively monitored, the peccancy punishment can be accurately performed, and thus the efficiency is improved and the cost is reduced.

The invention relates to an automatic testing platform for an intelligent switch. The automatic testing platform comprises a testing platform body and a control panel and is characterized in that thetesting platform body comprises a current increasing mechanism, a voltage increasing mechanism, a switch-on and switch-off mechanism and a grounding mechanism, the control panel comprises a voltage regulator, a mainframe and a three-phase standard meter, the mainframe is connected with the current increasing mechanism and the voltage increasing mechanism through the voltage regulator, the currentincreasing mechanism and the voltage increasing mechanism are connected to three wire inlet contacts and three wire outlet contacts, the three wire inlet contacts and the three outlet contacts are correspondingly connected with or disconnected with the three wire inlet connectors and the three wire outlet connectors of the intelligent switch through a contact lifting mechanism, the intelligent switch is connected with the mainframe through a control terminal, the switch-on and switch-off mechanism and the grounding mechanism are arranged on the intelligent switch and connected with the mainframe, the current increasing mechanism, the voltage increasing mechanism and the control terminal are connected with the three-phase standard meter, and the three-phase standard meter is connected to the mainframe. By the comprehensive testing platform, testing efficiency, testing stability and testing quality can be increased.