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33results about How to "Monitoring distance" patented technology

Ship collision avoidance early-warning device and intelligent early-warning method thereof

The invention relates to a ship collision avoidance early-warning device which comprises a single-chip microcomputer controller, an input unit, a display unit, an execution unit, a communication unit, an alarm unit and a working signal light. The execution unit comprises a direct-current motor, a motor drive matched with the direct-current motor, a stepping motor, a motor drive matched with the stepping motor, two two-degree-of-freedom electrical platforms, and two laser range finders placed on the electrical platforms respectively. The invention further relates to an intelligent early-warning method of the ship collision avoidance early-warning device. According to the method, the distance between an obstacle in the horizontal direction and a ship and the height of a bridge ahead are detected, transmitted and displayed, early-warning against danger signals is carried out, and conversion of work systems in different modes can be achieved. The ship collision avoidance early-warning device can be installed in various types of ships, and is high in detection and early-warning precision and high in cost-performance ratio.
Owner:ZHEJIANG OCEAN UNIV

Proximity early warning system for prevention of external damage to power transmission line

InactiveCN105989692AMonitoring distanceFacilitate remote communicationAlarmsPhysicsVIT signals
The invention discloses a proximity early warning system for prevention of external damage to power transmission lines. An electric field detection device is powered by a power source module; the electric field detection device detects whether charged bodies exist around through a three-dimensional space electric field probe of the electric field detection device; when detecting a charged body, the electric field detection device acquires the electric field signals of the charged body and converts electric field signals to voltage signals; the voltage signals are processed by a protection circuit, an amplification circuit, a filter circuit and a comparison circuit; processed signals are subjected the AD acquisition of a single-chip microcomputer, so that original signals can be obtained; and the original signals are sent to an alarm mechanism through a CPU system and a wireless transmission module. With the proximity early warning system of the invention adopted, whether charged bodies exist around large-scale mechanical equipment and engineering vehicles, such as cranes, can be monitored in real time; and distances between the large-scale mechanical equipment and engineering vehicles, such as cranes, and high-voltage power transmission lines can be monitored in real time. The system has the advantages of simple equipment structure, reliable performance and accurate measurement items.
Owner:STATE GRID SHANDONG ELECTRIC POWER COMPANY RIZHAOPOWER SUPPLY +1

Fixed-point ice thickness and water level integrated and continuous monitoring method

InactiveCN109916449AMonitoring the up and down processReduce risk of monitoring on iceMeasurement devicesEngineeringSolar power
The invention relates to an ice thickness and water level integrated and continuous monitoring method, which belongs to the technical field of hydrological monitoring. The monitoring device is composed of a lightning arrester, a wind power generation device, a triangular steel tower, a solar power generation device, a mounting base, an energy storage battery, a swiveling arm, an air coupled radarsensor (internally provided with a transmitter, a receiver and the like) and an integrated control box (internally provided with a wind-solar hybrid controller, a remote telemetry switch, a GPS module, and a 4G digital transmission module). When mounting and connection are completed, a remote computer opens each control module through GSM, relevant parameters are transmitted to the radar sensor through the 4G module, a radar map with GPS time annotation is received based on the 4G module, according to the two-way time of radar waves in the air and the two-way time deltat in an ice cover recorded by the radar map, the distance between the radar and the upper surface of the ice cover and the ice cover thickness deltah are calculated automatically by using formulas (3) and (4), and by using formulas (5) and (6), an ice cover upper surface or free water surface height H1 and an ice cover lower surface height H2 are calculated automatically.
Owner:YELLOW RIVER INST OF HYDRAULIC RES YELLOW RIVER CONSERVANCY COMMISSION

Intercity intelligent logistic system

The invention discloses an intercity intelligent logistic system. The intercity intelligent logistic system comprises cross-city transport lines, urban tubular logistic networks and logistic distribution centers, wherein the cross-city transport lines are arranged between different cities in a logistic area, and the urban tubular logistic networks and the logistic distribution centers are arranged in different cities; the urban tubular logistic networks called as urban tubular logistic systems are used for cargo transportation, including cargo collection, transfer transportation of the cargos and cargo delivery, in the cities; the logistic distribution centers are connecting nodes between the urban tubular logistic networks and the cross-city transport lines and are used for delivering the cargos in the urban tubular logistic networks in the city to the corresponding cross-city transport line and delivering the cargos from the cross-city transport lines to the urban tubular logistic networks. The intercity intelligent logistic system is high in transportation efficiency, easy to implement and high in automation degree.
Owner:深圳市公狼科技有限公司

System and method for measuring power image distance of transmission line by unmanned aerial vehicle

The invention discloses a system and method for measuring the image distance of a power transmission line through an unmanned aerial vehicle, wherein the system comprises the unmanned aerial vehicle,a main console and a plurality of cameras, and the plurality of cameras are fixed on a power pole tower and are used for collecting the two-dimensional image data of a corridor of the power transmission line. The unmanned aerial vehicle comprises a vehicle body, a laser radar device, a rotor wing assembly, a power device, a flight control processor, a state detection device and a wireless communication module; the laser radar device is used for collecting three-dimensional point cloud data of the power transmission line, and the main console is used for receiving the two-dimensional image dataand three-dimensional point cloud data; a mapping relationship between the two-dimensional image data and the three-dimensional point cloud data is established; a target object is identified according to the two-dimensional image data, three-dimensional point coordinates of the target object are determined according to the mapping relationship, and the distance from the target object to the powertransmission line is calculated according to the three-dimensional point coordinates of the target object; and the target object distance condition of the whole power transmission line corridor can be monitored through the cameras, and all-weather and all-time power transmission line monitoring is achieved.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD TAIZHOU POWER SUPPLY BRANCH +1

Novel drainage warning device

The invention relates to a novel drainage warning device. The novel drainage warning device comprises a fluid accumulating device, a ranger, a flow rate monitor and a central control unit; the fluid accumulating device is provided with graduation lines and is provided with a first connecting part and a second connecting part; the ranger is located at the upper end of the fluid accumulating deviceand is provided with a range sensor; the flow rate monitor is movably connected with the fluid accumulating device and is used for monitoring a liquid level position and a drainage speed in the fluidaccumulating device; the central control unit comprises a central processing module, a power supply module, a warning module, a display module and a control module; the central processing module is applied to processing of data; the warning module is used for performing warning caution; the display module is used for displaying information; and the control module is applied to setting of corresponding parameters. The novel drainage warning device has the advantages that a drainage height can be tracked, a drainage speed can be reflected, a drainage flow rate can be displayed, the novel drainage warning device has a multi-azimuth real-time monitoring function and provides a warning function so as to remind medical personnel to process promptly, human resources are saved, the efficiency of nursing is increased, and the novel drainage warning device is particularly applicable to drainage nursing of a cerebral ventricle.
Owner:HUZHOU SIMAN BIOLOGICAL MATERIAL CO LTD +1

Door crane based on Internet of Things and remote control system of door crane

The invention discloses a door crane based on the Internet of Things and a remote control system of the door crane, and belongs to the technical field of hoisting equipment. The door crane includes adriving device, a hanging box and a hanging rope. The driving device comprises a driving device A and a driving device B. The driving device A and the driving device B are correspondingly installed atthe two ends of a crossbeam. One relative surface of the crossbeam is provided with a guide rail and a guide grating transverse bar. The hanging box is arranged on the guide rail in a matched mode through F-shaped hanging lugs. An adjusting mechanism is arranged on one surface of the hanging box. The adjusting mechanism comprises a linear guide rail, a driving rod, a driven rod and a base rod. One end of the driven rod is fixedly connected with a follow-up camera. A hanging hook is provided with a layer of wave absorbing layer in a composited mode. An ultrasonic rangefinder is installed on the lower surface of the hanging box. A grating sensor matched with the guide grating transverse bar is arranged on the upper surface of the hanging box, real-time data support is provided for a processing unit through a sensing device, thus remote control is achieved. According to the door crane, the device is controlled remotely through a controlling unit, and allocating and transporting of goodsare completed quickly and accurately.
Owner:安徽联智创新软件有限公司

Varnish stoving device applied to family bedroom doors

The invention discloses a varnish stoving device applied to family bedroom doors. The varnish stoving device structurally comprises a processing device body, a conveying device, the varnish stoving device, odor removing devices, support legs, universal wheels, a first motor and an air cylinder. A sliding track is arranged on the top of the processing device body, wherein the first motor is arranged in the middle of the sliding track. The air cylinder is arranged at the bottom of the first motor, wherein an air pressure rod is arranged at the bottom of the air cylinder. The varnish stoving device is arranged at the bottom of the air pressure rod, wherein heating lamps are distributed at the bottom of the varnish stoving device. Ultrasonic wave sensors are distributed in the middle of the heating lamps. The odor removing devices are arranged at two sides of the processing device body, and the conveying device is arranged at the bottom of the processing device body. The support legs are arranged at the bottom of two ends of the conveying device, and the universal wheels are arranged at the bottom of the support legs. According to the varnish stoving device applied to the family bedroom doors, the situation that the varnish stoving is nonuniform when the device is too close or too far from the doors is avoided, and thus the varnish stoving is more rapid and effective, intelligent and high efficient, and the environmental performance is high.
Owner:FOSHAN HUIZHONG SENTAI TECH CO LTD

Tourism service management system based on mobile terminal

The invention discloses a tourism service management system based on a mobile terminal, relates to the technical field of tourism service management, solves the technical problem of how to guide tourists to visit scenic spots in a tourism attraction in a peak shifting manner and prevent some scenic spots from being congested due to a large number of tourists in the tourism attraction, and comprises the mobile terminal and a management terminal, the mobile terminal is provided with an application program, and the application program obtains position information of the mobile terminal and uploads the position information to the management terminal. The management terminal is used for acquiring position information of all the mobile terminals in the scenic spot, displaying the position information in an electronic map, generating a scenic spot visitor flow distribution map updated in real time, and feeding back the scenic spot visitor flow distribution map to application programs of all the mobile terminals in the scenic spot for display; the tourist can conveniently master the visitor flow and the tourist moving trend of each scenic spot in the scenic area through the scenic area visitor flow distribution map updated in real time, so that the tourist can conveniently adjust the strategy of sightseeing the scenic spot in time, and the phenomenon that some scenic spots in the scenic area are congested is avoided.
Owner:湖北聚游科技有限公司
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