428results about How to "Convenient detection work" patented technology

The invention provides a three-dimensional bridge reconstruction method based on vehicle-mounted LiDAR point cloud data. The three-dimensional bridge reconstruction method based on the vehicle-mounted LiDAR point cloud data can be used for visualizing an acquired three-dimensional point cloud data implementing three-dimensional model on the bottom of a bridge and comprises the following steps of (1) acquiring the vehicle-mounted LiDAR point cloud data; (2) uniformly diluting the point cloud data so as to reduce data volume; (3) calculating a normal vector, curvature and density of the point cloud data and filtering out noises; (4) registering the point cloud data and diluting the point cloud data; (5) extracting surface plates of the bridge, restraining the surface plates according to priori knowledge and establishing a TIN model; (6) performing TIN model and texture image mapping; and (7) visualizing the three-dimensional model. By the three-dimensional bridge reconstruction method based on the vehicle-mounted LiDAR point cloud data, the surface plates of the bridge can be matched, incomplete data are supplemented, thick scanning data are effectively combined to thin scanning data, and the three-dimensional model of the bridge is established quickly and precisely in real time.

The invention discloses a GPS (Global Positioning System) track irregularity detection system and method. The system comprises a measuring unit and a data postprocessing unit, wherein the measuring unit comprises a moving bracket movably arranged on the surface of a track, and a measuring device; the measuring device is rigidly fixed on the moving bracket and comprises two independently-arranged measured data acquisition recorders; the measured data acquisition recorders are used for measuring state data of the moving bracket in real time and recording the state data measured at every time to a data recording unit according to a time sequence arrangement; and the data postprocessing unit is used for processing the state data recorded in the data recording unit in an off-line way. The GPS (Global Positioning System) track irregularity detection system and method disclosed by the invention have the advantages of high measurement precision, high measurement speed and complete measuring functions.

The device for detecting sample includes main body, detecting element housed inside the main body fixedly, and material of absorption and transfer. There are following parts setup on main body: gathering unit for collecting external sample, and docking area assorted; opening for application of sample in use for sample liquid to pass through, and result display window in use for observing tested result. Being located inside the opening for application of sample, the material of absorption and transfer keeps connectivity with detecting element so as to raise fluid velocity of detection liquid. Being processed by surfactant, the material of absorption and transfer promotes flow of detection liquid further, shortens detection time without disturbing detected result.

The invention relates to a laser road comprehensive detection vehicle which can be used for detecting and evaluating a plurality of road quality indexes; the lower end of the vehicle body is provided with a laser detection device which can detect the road surface evenness, the wheel track and the structural depth and is provided with a plurality of detection laser probes which can emit collimated laser beams downwards; the upper part of the rear end of the vehicle body is provided with a planar array camera which can bow to photograph; the rear end of the vehicle body is provided with a planar array camera dual-row stroboscopic illuminator; the top of the vehicle body is provided with a camera which is used for photographing the environment at two sides of the road, a safety monitoring camera and a GPS positioning antenna; and the operation chamber of the vehicle body is internally provided with a workbench, a generator room, an industrial computer cabinet, a washing pool, a drinking water machine and a control circuit device. Compared with the prior art, the laser road comprehensive detection vehicle has the advantages of novel structure, full function, convenient operation and high detection precision, and can achieve the comprehensive detection of a plurality of road quality indexes, and the like.

The invention discloses a method for automatically detecting terminals in batch based on an IEC62056 protocol, and the method comprises the following steps: (A) physical setting: connecting a terminal with an electric meter through RS485 or carrier waves; (B) configuration setting: configuring parameters of the terminal correspondingly; (C) establishing connection, connecting a worktable with the terminal through an RS232 serial port or TCP/UDP; (D) detecting by the worktable in an automatic detection method or an independent detection method; and (E) forming a detection report by data generated in the former steps. The method for automatically detecting the load control, low-voltage meter collecting and distribution transform terminals in batch based on the IEC62056 protocol solves the problems of low efficiency and poor stability in the prior art when detecting the terminal.

The invention discloses an intelligent substation network anomaly traffic detection model construction method based on a probability. According to the method, by carrying out repeated FARIMA simulation on acquired intelligent substation station control layer communication traffic data, a station control layer normal communication traffic threshold model is obtained; and a network anomaly case shown on the station control layer traffic level is subjected to key analysis, KDD99 anomaly data traffic is extracted and overlaid into original background traffic, anomaly network traffic is generated and used as a threshold datum thereout, and an evaluation index and an algorithm of an intelligent substation communication network are designed to analyze an operation condition of a power communication network. According to the invention, detailed algorithm description is given out by actual acquired traffic of a station control layer of a certain substation in Tianjin as test data, and examples are designed to carry out detection and early warning on substation communication network anomaly traffic.

The invention discloses a construction site environment detector, which comprises a display box and a lifting rod. A detection control box is arranged under the display box. A column is movably installed at the lower end of the lifting rod. Height adjustment knob, the lower end of the column is provided with a base, the lower end of the base is provided with universal wheels, the inside of the detection control box is provided with a wireless connection device, and one side of the wireless connection device is provided with a voice alarm device . A construction site environment detector according to the present invention is equipped with a height adjustment knob, a universal wheel and a voice alarm device, which can adjust the height of the detection control box, meet the position requirements of different detection items, and facilitate the movement of the instrument. Especially in the case of bad weather, it can prevent the instrument from being damaged, and give voice prompts when the environment is not good, which is more convenient, applicable to different working conditions, and brings better prospects for use.

The invention relates to an antibody chip reagent kit for detecting a hepatoma marker. The antibody chip reagent kit comprises a glass slide, a soft silicone rubber pad, a hard frame and reaction grooves formed by U-shaped frame clamps, wherein the hard frame is divided into 2*8 or 4*16 sub-boxes so as to form the 16-hole or 64-hole frame; the size of the soft silicone rubber pad corresponds to those of the hard frame and the standard glass slide; each sub-box of the hard frame forms the corresponding small reaction groove; the standard glass slide in each of the small reaction grooves is bonded with specific antibodies with corresponding concentrations; the specific antibodies are antibodies for the following 8 selected tumor markers: AFP, AFP-L3, DCP, AFU, GP73, SCCA, CK19 and VEGF. The antibody chip reagent kit adopts the antibody chip technology, so that 8 types of hepatoma markers can be detected at a time, the defect that the conventional single marker detection method is big in sample usage amount and long in detection time is avoided, and the advantages of high detection speed, less sample consumption, high sensitivity, good stability and the like are achieved.

The invention belongs to the technical field of optical detection and provides a three-point-supported automatic rotating angle detection tool so as to solve the problem of surface-shaped errors caused by gravity deformation in the prior art. The automatic rotating angle detection tool comprises a base, rotating devices and limiting devices. Three small supporting balls are evenly distributed on the circumference of the upper end of the base and make contact with the lower surface of a workpiece to be detected. The limiting devices are arranged at the positions, corresponding to the three small supporting balls, of the base respectively and used for limiting the workpiece to be detected. The rotating devices are arranged between every two adjacent limiting devices in the circumferential direction of the upper portion of the base. Each rotating device comprises a rotating block, a rotating head and a motor, wherein the rotating head is arranged on the rotating block and makes contact with the sidewall of the workpiece to be detected, the motor is used for controlling rotation of the rotating head and then driving the workpiece to be detected to automatically rotate. According to the automatic rotating angle detection tool, the motors are used for driving the rotating heads of the rotating devices to rotate and then driving the workpiece to be detected to rotate, average measurement in the rotating process is achieved, errors caused by external artificial factors are eliminated, and manpower and time are saved.

The invention discloses a robot for overhauling of an underground pipeline. The robot comprises a base; the bottom of the base is movably connected with rollers; the outer sides of the rollers are intransmission connection with a crawler belt; a bottom plate is arranged at the top of the base and is in threaded connection with the top of the base through bolts arranged on the bottom plate; the top of the bottom plate is fixedly connected with a first electric pushing rod; and the top of the first electric pushing rod is fixedly connected with a connecting seat. By arranging the first electricpushing rod, manipulators and a rotating shaft, the first electric pushing rod is started, so that the manipulators rise; then a motor is started, a conveyor belt drives a first movable shaft on a gear to rotate, and thus the manipulators get close to the inner wall of the pipeline with the optimal angle; and finally, a second electric pushing rod is started to drive a tensioning device to conduct tightening, so that the manipulators grab and clear plugging objects on the inner wall of the pipeline, and the purpose of high overhauling efficiency is achieved.

The invention relates to the technical field of circuit breaker detection, in particular to a circuit breaker operating mechanism performance detection device which comprises a base, vertical plates are fixedly installed on the two sides of the top of the base respectively, a detection table is arranged between the two vertical plates, and a lifting mechanism for driving the detection table to ascend and descend is arranged between the detection table and the base. A clamping mechanism for clamping an object to be detected is arranged on the detection table, and a detector which is driven by asliding adjustment mechanism to realize transverse displacement adjustment is arranged above the detection table. The device solves the problems that existing detection equipment is inconvenient to adjust the height position of a detection table, inconvenient to detect objects to be detected at different heights and inconvenient to adjust the horizontal position of a detector.

The invention provides an Android application security monitoring method based on plug-in loading and a storage medium. The method comprises: a plug-in base class is defined and detected; constructinga detection plug-in library by inheriting the detection plug-in base class, and storing the detection plug-in library locally; updating the local detection plug-in library according to the latest detection plug-in list obtained from the cloud server at regular time; obtaining related information parameters of the apk file of the to-be-detected application, organizing the related information parameters into an information dictionary format, and storing the information dictionary format; dynamically loading all plug-ins in the detection plug-in library; introducing related information parameters of an information dictionary format; and sequentially executing the loaded plug-ins. The method has the function of detecting automatic updating of the plug-in, the latest security holes can be detected timely and accurately, and the detection rate is increased. In addition, the efficiency and the collaboration of plug-in iterative development and maintenance can be remarkably improved by defining and detecting the plug-in base class, and therefore efficient comprehensive safety detection can be conducted on the Android application.

The invention discloses a system and a method for detecting and rating the color fastness of a textile. The detecting and rating system comprises a computer system and a colorimeter, wherein the computer system is connected with the colorimeter; the computer system is used for completing blackboard correction and whiteboard correction of the colorimeter, reading detection data of the colorimeter,comparing the detection data with a preset standard rating range to obtain a rating level, and comparing the rating level with a preset product standard to obtain a qualified or unqualified judgment result; and the colorimeter is used for detecting the color fastness of the textile to obtain the detection data. The system and the method have the advantages that a test is simple, convenient and fast; a rating result is basically consistent with a manual visual rating result; and the product qualification judgment is intelligent.

The invention provides a sample collecting device for collecting solid or semisolid samples, comprising a first board and a second board, wherein the first board is provided with a first opening and a cover plate for covering the first opening; the second board is provided with a second opening and a sample collecting plate for covering the second opening; and the cover plate and the sample collecting plate are made of material which prevents solid or semisolid samples from passing through but allows solution to pass through. The sample collecting device is provided with an opening position and a closed position, when the sample collecting device is at the closed position, the first opening is opposite to the second opening, and a sample collecting zone is formed between a zone where the cover plate covers the first opening and a zone where the sample collecting plate covers the second opening.

The invention discloses a tensile testing machine for detecting the tensile strength of a packaging bag. The tensile testing machine for detecting the tensile strength of the packaging bag comprises abase, a first motor, a pressure sensor, a second motor and a torque sensor. A bracket is fixedly connected to the top of the base, and a liquid groove is formed in the base. A screw rod is coaxiallyconnected to the end of an output shaft of the first motor, a positioning tube is fixedly connected to the top of the base, and a positioning member is arranged at the end of the positioning tube. A rotating roller is arranged on the bracket, a positioning disk is fixed to the end of the rotating roller, and a ratchet is arranged on the outer wall of a rotating rod in the positioning disk. The second motor is fixedly installed at the center of the top of the bracket, and the end of an output shaft of the second motor is fixedly connected with one end of a cross rod through a coupler. Accordingto the tensile testing machine for detecting the tensile strength of the packaging bag, two sides of the packaging bag can be conveniently positioned and clamped, the positioning and clamping stability of the packaging bag is improved, and rotating type tensile strength detection reduces the overall size of the device.

The invention discloses a big-data-based steel structure welding point self-inspection comprehensive analysis system and method and relates to the technical field of building self-inspection facilities. The system comprises a machine box and a transmission box and is characterized in that a regulating motor is fixedly connected to the back side of the inner wall of the transmission box through a connecting block, a first belt wheel sleeves the outer surface of the output shaft of the regulating motor, a rotary shaft is rotatably connected between the front side of the inner wall of the transmission box and the back side of the inner wall of the transmission box through bearings, and a first bevel gear and a transmission gear sequentially sleeve the outer surface of the rotary shaft from rear to front. The big-data-based steel structure welding point self-inspection comprehensive analysis system and method has the advantages that detection is facilitated greatly, detection efficiency iswell increased, building staff do not need to consume a large amount time to detect steel structure welding points, the labor intensity of the building staff is relieved, the work efficiency of the building staff is increased, fast and convenient steel structure maintenance is achieved, and steel structure inspection by the building staff is facilitated greatly.

The invention relates to the field of precision machining processes, and specifically relates to a roughness detection robot for precision machining and a detection method thereof. The roughness detection robot comprises a transmission frame and a material conveying belt, wherein the transmission frame is equipped with a detection mechanism, the main body of the detection mechanism is a detectionmachine barrel, and the outer barrel wall of the detection machine barrel is equipped with a plurality of detection frames at equal intervals, each detection frame is mounted on the outer wall of thedetection machine barrel through a fixed base plate, a plurality of detection brackets are independently arranged on each detection frame, the front end of each detection bracket is equipped with a detection head, each detection head is installed on the detection bracket in a penetrating mode through a movable sleeve, the inner cavity of the detection bracket is provided with a fixed rod, the movable sleeve is arranged on the fixed rod in a sleeving mode, each fixed rod is wound with an extrusion spring, a plurality of elasticity detectors are arranged in the detection machine barrel, and theextrusion springs are respectively connected with the elastic detectors. According to the invention, the surface is converted into points on the whole during the detection, and then the points are integrated into the surface, thereby achieving the effects of high-efficiency operation and high-efficiency analysis.

The invention discloses a household environment detecting system including a power supply module, a biological wave acquisition module, a video monitoring module, an environmental detection module, asecurity protection module, and a heart rate sensor. The power supply module includes a solar panel and a wind driven electric generator, and output ends of the solar panel and the wind driven generator are both connected to an input end of an inverter. A biological wave acquisition device and the heart rate sensor are arranged in the household environment detecting system, biological wave signalsand heart rates of people can be detected, the video monitoring module is arranged and can be used for monitoring surrounding environment of the system, a power source of an alarm lamp can be automatically switched on via an illuminance sensor when light rays are dark, an alarm device can be enabled to send out alarm sound via an infrared ray sensor when people move close to the detecting system,a power source of a flash lamp can be automatically switched on via a detecting radar when people are not yet close to the detecting system, function diversity of the detecting system can be effectively improved, and increasingly growing demand of people can be met.

The invention discloses an adjustable standard clearance device, which comprises a knife straight edge, a working platform, a clamp, a vertical shaft, a shaft sleeve, a lever mechanism and a helical pair, wherein the knife straight edge is arranged on the vertical shaft through the clamp and is located on a working surface of the working platform; the vertical shaft and the shaft sleeve are perpendicular to each other; the vertical shaft is connected to one end of a lever and the other end of the lever is connected to a helical pair mechanism; the lever is in contact connection to the shaft sleeve through a support base. The adjustable standard clearance device disclosed by the invention is simple and practical; the vertical shaft is driven to do axial motion to generate a continuous and adjustable standard clearance through the helical pair mechanism and the lever; applied to metrological verification of the knife straight edge, the adjustable standard clearance device is convenient to implement daily verification and can improve the working efficiency.