34results about How to "Valid scan" patented technology

The invention relates to a plant protection unmanned aerial vehicle task route planning method and a plant protection unmanned aerial vehicle. The method includes the following steps: 1) acquiring boundary information of a task region, and acquiring boundary lines of the task region according to the boundary information; 2) determining a task start side, and according to the boundary information of the task region, drawing a plurality of flight route line segments which are parallel with the task start side; 3) according to the task start side, determining simulation route heading direction, and performing route planning on the basis of the flight route line segments until all flight points in the task region are included, wherein the intersection points of the acquiring boundary lines and the boundary lines are the flight points. The planning method can effectively plan and scan all the flight points, so that all of the flight points are covered without missing point. The method can provide more comprehensive planning routes, and also increases accurate covering rate of the plant protection unmanned aerial vehicle during task, so that mis-spraying, wrong spraying and excessive spraying problems are reduced, and a phenomenon that the unmanned aerial vehicle flies out of the task region and bumps into obstacles can be avoided.

The invention discloses a vision-based robot obstacle avoidance method, which is characterized by comprising the following steps of: constructing a global positioning environment library; processing the visual image and the laser information of the current position of the robot, extracting feature information in the visual image and the laser information, performing retrieval and matching in the global positioning environment library, determining a real-time pose and a corresponding visual feature map of the robot, and performing global positioning on the visual positioning map to generate a local cost map; and adopting a depth vision sensor to obtain point cloud data containing obstacle information, subjecting the point cloud data to sparse processing, extracting key effective data, analyzing the extracted data, acquiring obstacle information in the three-dimensional direction in combination with laser data, and marking obstacle position information in a local cost map. According to the vision-based robot obstacle avoidance method, the functions of global positioning and three-dimensional obstacle avoidance can be realized at the same time, and the method has the advantages of small occupied area, light operation, high performance, low power consumption and the like.

The invention relates to network security technology and discloses a network security vulnerability scanning system and method to solve a problem that risks caused by vulnerability can not be scanned when a service port changes in vulnerability scanning technology in prior art. The network security vulnerability scanning system comprises a port scanning module used for invoking a port scanning tool to scan network ports, an information extraction module used for extracting ports and corresponding service fingerprint information in returned data, a jointing module used for jointing ip addresses and service ports, and a service vulnerability scanning module used for invoking relative service vulnerability scanning plug-ins to scan vulnerability of port service. The system and method are suitable for network security vulnerability detection.

The application discloses an automatic parking lot access control device comprising a first platform, a second platform, a cabinet body, a vertical rod, a license plate camera, a gate cabinet, a baffle, an output shaft, a rotating rod, a sleeve plate, check blocks, a gate rod, a box body, a motor, a winding roller, a first pull rope, a first spring, a push plate, a fixed rod, a sliding block, a second spring, clamping blocks, a limiting plate, a clamping rod, a third spring, a second pull rope, a movable plate, a movable rod, shifting blocks, a buffer pad, an auxiliary camera, a supporting rodand a fixed plate. Auxiliary scanning can be carried out under the condition that vehicle parking deviates or a camera fails to work, and a problem of traffic jam is solved; a problem that the gate rod is damaged due to collision under the condition that a vehicle is parked mistakenly can be solved; meanwhile, a problem that the output shaft is broken can be solved through the baffle; by arranging the fixed plate and the supporting rod, angle adjustment during movement of the auxiliary camera can be achieved, the scanning range is widened, and effective scanning can be conducted when obviousdeviation occurs in vehicle parking.

The invention belongs to the environmental protection control equipment technical field, and relates to an intelligent clean energy microbe reaction control system comprising the following units: a main control computer exchanging information with a network server through a wired/wireless communication network; an information collector used for scanning an intelligent clean energy microbe reactor; a memory used for recording and storing the scanned information; a man-machine interaction panel used for displaying a selection menu containing at least one image information item for the user, receiving the image information selected by the user according to the selection menu, and sending the image information to the main control computer; a power supply module used for providing electric energy for the main control computer. The system uses the information collector to effectively scan the intelligent clean energy microbe reactor, and uses the memory to store the information, thus effectively controlling the microbe reactor.

The invention relates to one book scanner with contracted scanning distance to scan one book with one first and second inner sides and one binding line. The scanner comprises one book supportive structure and one scanning module; the book supportive structure has one first part and second part with first angle and one prism line less than 180 degrees. The scanning module is to scan the first inner side with the first part.

The invention relates to an excavator working surface reconstruction system and method, and aims to solve the problems of relatively large data redundancy and calculation amount in existing excavatorworking surface reconstruction. The invention provides an excavator working surface reconstruction system and method. The excavator working surface reconstruction system comprises a target plate whichis fixedly installed on an upper vehicle body of an excavator and used for reflecting laser beams, a 2D laser radar which is arranged on a movable arm of the excavator and is used for scanning the target plate and collecting and acquiring original point cloud data on a working surface, a rotation angle sensor used for collecting the rotation angle of the upper vehicle body of the excavator, and adata processing unit which receives the original point cloud data and the rotation angle data and processes the data to calculate and determine the attitude angle of the movable arm and the surface coordinate data of the three-dimensional contour of the working surface. The system has the advantages that point cloud data redundancy and reconstruction calculation amount are reduced, the data sizeis small, real-time analysis and processing of operation information are easy to achieve, and the system cost is low.

The invention relates to the technical field of three-dimensional scanners. The invention further discloses a tracking type laser three-dimensional scanner. The scanner comprises a mounting plate, three foot rods are movably mounted on the bottom face of the mounting plate, connecting rods are fixedly connected with the inner side faces of the three foot rods, inner grooves are formed in the top faces of the connecting rods, supporting rods are movably connected into the inner grooves in a sleeved mode, and trundles are fixedly mounted on the bottom faces of the supporting rods. The inventiondiscloses the tracking type laser three-dimensional scanner. The connecting rods are fixedly installed on the inner side faces of the foot rods. The inner grooves are formed in the top faces of the connecting rods; the supporting rods are sleeved by the short shafts in the inner grooves, and thus the supporting rods can rotate; the trundles are mounted on the bottom faces of the supporting rods, and when the scanner needs to be moved, the supporting rods are rotated and locked, so that the trundles on the bottom faces of the supporting rods are landed, the device is moved, the moving convenience of the device is improved, the device is prevented from being manually held for moving, the labor expenditure is reduced, and the device is convenient to use.

The invention discloses a novel forest fire prevention early warning device which structurally comprises a monitoring head cover cap, a wheel groove shell, a ball shaft rack inner groove, a supportingtable base, a cushion plate block and a base column block.According to the invention, the wheel groove shell is matched with the ball shaft rack inner groove; The wheel groove shell is sleeved with the inner core wheel roller frame, the inner core wheel roller frame is matched with the upper lens balance seat and the lower lens balance seat to rotate to achieve the clamping piece frame protectioneffect of the heat conduction clamping piece wheel, the inner core wheel roller frame forms 360-degree rotation operation of a lifting inclination angle, and therefore low-position tree roots and grassland firing phenomena are effectively scanned and fed back to a forest fire alarm in time. High-low position scanning sensing is effectively formed at the first time, the low-position heat conduction clamping piece wheel and the smoke film cover are stored to trigger potential feedback alarm, the fire operation identification effect after double detection is formed, and it is guaranteed that subsequent fire prevention personnel scheduling and timely fire broadcast control conditions are efficient.

The invention provides a forward and reverse double two-dimensional code pasting packing bag. A pasting paper is arranged on the packing bag; the lower layer of the pasting paper is a packing bag layer, and the upper layer is a covering film; ink layers are arranged on the forward and reverse two surfaces of the pasting paper; the ink layers and a paper layer of the pasting paper are different in color; the packing bag layer and the covering film are transparent; and the hazes of the packing bag layer and the covering film are lower than 10%. The packing bag has forward and reverse pattern identifications; the haze value ranges of the packing bag and the covering film enable patterns to be effectively scanned; and the packing bag has forward and reverse double two-dimensional codes, and realizes scanning of two information from the same one packing bag in a dismounting state.

The invention discloses an intelligent drawer box which comprises a box body, a box cover, a radio frequency antenna, a drawer and an RFID tag unit installed on a tool. The box cover is fixedly installed on the box body, and a cavity is formed by the box cover and the box body. The radio frequency antenna is arranged on the box cover through a translation device and is positioned in the cavity; the drawer is installed in the cavity and can be drawn, the drawer further comprises a drawer panel, and when the drawer is closed, the drawer panel, the box body and the box cover can form a closed space. Tools provided with the RFID tag units are placed in the drawer; when the radio frequency antenna scans, the radio frequency antenna moves at the same time under the action of the translation device. Weak signals can be effectively scanned, and the accuracy of tool management and control is improved.

The invention discloses a floating gate cover plate and a certificate reader using the same. The floating gate cover plate comprises a cover plate and a cover plate gate mechanism; one side of the cover plate is hinged to the machine body, and a channel allowing media to be inserted is formed between the cover plate and the machine body. The cover plate gate mechanism comprises a cover plate driving shaft which is transversely arranged in the channel to close the channel, a section of continuous groove is formed in the cover plate driving shaft in the axial direction, the cover plate driving shaft rotates to enable the groove to open the channel, and media inserted into the channel are pressed through the cover plate driving shaft; an eccentric pin is arranged at the end of the cover platedriving shaft and makes contact with the non-hinged position of the cover plate, and the cover plate driving shaft rotates to enable the eccentric pin to adjust the opening and closing angle of the cover plate. The floating gate cover plate and the certificate reader with the floating gate cover plate are simple and compact in structure, certificates of book page structures such as passports canbe conveniently inserted into the floating gate cover plate for effective scanning, and convenience and reliability of self-service operation of the passports are greatly improved.