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249results about How to "Improve monitoring quality" patented technology

Online lake water quality monitoring system based on internet of things

InactiveCN102890142AExpand the scope of the fieldComprehensive scopeTesting waterWater qualityThe Internet
The invention relates to the fields of applications of the internet of things technology, the wireless sensor network technology, the global positioning system (GPS) positioning technology and the GIS electronic map technology, and discloses an online lake water quality monitoring system based on internet of things. The online lake water quality monitoring system comprises a node monitoring device, a data video base station and a remote monitoring center; the node monitoring device is arranged in a lake to be monitored, and is used for monitoring the lake water quality and transmitting the monitoring data obtained from the monitoring to the data video base station through an ZigBee network; the data video data base is arranged in the lake to be monitored for transmitting the received monitoring data, and water quality information and video information which are collected by the data video base station are transmitted to the remote monitoring center through a mobile communicating network; the remote monitoring center comprises a GIS module, and is used for controlling navigation of the data video base station by remote means depending on water quality map information which is provided by the GIS module after receiving the monitoring data and all information, and for assisting to treat water quality of the lake to be monitored.
Owner:EAST CHINA UNIV OF SCI & TECH +1

Information uploading method, retrieval method, DVR and monitoring equipment

The invention discloses an information uploading method, a retrieval method, a DVR and monitoring equipment. The information uploading method comprises the following steps that: the DVR receives an image grabbing command; the DVR grabs images with the preset quantity according to the image grabbing command, wherein the images include picture data and picture information which are correlated through image attributes; the grabbed images are stored in a memory, and are uploaded to the monitoring equipment; and the monitoring equipment stores the picture data through a picture data server, and the picture information is stored through a picture information server. The DVR of the invention can trigger and grab a plurality of images in each time according to the preset quantity, and the definition probability of the grabbed images can be improved; and because the grabbed images are transmitted to the monitoring equipment by the DVR and are also stored in the local memory at the same time, when the network has a fault, the grabbed images can be uploaded after the fault is recovered because the grabbed images are stored in the local memory, and the invention ensures no occurrence of blindmonitoring regions of the monitoring equipment.
Owner:HANGZHOU HIKVISION DIGITAL TECH

Anti-external force monitoring early warning method of electric transmission line based on image recognition

The invention discloses an anti-external force monitoring early warning method of an electric transmission line based on image recognition. According to the method, on the basis of an original electric transmission line remote monitoring system, an image recognition analysis module, an early warning information processing module and an early warning information display module are additionally arranged, an image recognition technology is used for analyzing data collected by a monitoring device, and the analysis result is transmitted to monitoring personnel in time in an early warning mode. The monitoring early warning method includes the following steps of (1) receiving an image, (b) preprocessing the image, (c) setting a warning trigger rule, (d) detecting a target, (e) analyzing the target, (f) conducting automatic alarm, (g) processing alarm information and (h) previewing a warning image and examining the image. The anti-external force monitoring early warning method of the electric transmission line based on image recognition has the advantages that cost is low, the image recognition method is simple, anti-external force monitoring data of the electric transmission line can be analyzed and calculated in real time, the abnormal condition on site can be subjected to quick early warning, and thus good economic benefits can be achieved.
Owner:STATE GRID CORP OF CHINA +1

Audio and video remote monitoring method and system based on 3G (the 3rd generation telecommunication) network

The invention discloses an audio and video remote monitoring method based on 3G (the 3rd generation telecommunication) network and an audio and video remote monitoring system based on 3G network. The method comprises the following steps: 1) embedded terminals and a monitoring server are provided; 2) the embedded terminals collect onsite audio and video in real time; 3) the embedded terminals detect network delay in real time and dynamically regulate QP ( quasi peak ) value, frame rate and code rate, perform H264 encoding the onsite audio and video according to the QP value, the frame rate and the code rate, and then send the encoded audio and video to the monitoring server; and 4) a currently embedded terminal receives the encoded audio and video according to a control command from the monitoring server, decodes the audio and video and then outputs the decoded audio and video to users. The system comprises the monitoring server and a plurality of embedded terminals, wherein each embedded terminal comprises an audio and video collecting module, a central processing unit, a network receiving and sending module, emergent monitoring keys and an audio and video output module; and the central processing unit includes a delay detecting module, an encoding parameter regulating module and an audio and video encoding module. The audio and video remote monitoring method based on 3G network and the audio and video remote monitoring system based on 3G network according to the invention have the advantages of good bandwidth dynamic adaptability, fluent audio and video, and good monitoring quality.
Owner:杭州普锐视科技有限公司

Environment-friendly intelligent semi-concealed monitoring device

InactiveCN105430355AUse monitoring to operate intelligentlyAutomate using monitoring operationsTelevision system detailsColor television detailsExternal energyGlass cover
The invention discloses an environment-friendly intelligent semi-concealed monitoring device which belongs to the technical field of monitoring equipment. The environment-friendly intelligent semi-concealed monitoring device comprises the components of a monitor, a solar power generating system, a self cleaning system and an intelligent control system. The monitor comprises a housing with a closed inner chamber, a reflection imaging system and a stepping motor, wherein the reflection imaging system and the stepping motor are fixed in the closed inner chamber. The reflection imaging system comprises a total reflection prism, a total reflection prism rack and an image camera. The housing is provided with a perspective opening next to the total reflection prism. The perspective opening is provided with a high-transparency glass cover. The stepping motor is connected with and fixed with a central shaft of the total reflection prism rack through a magnetic coupling. The environment-friendly intelligent semi-concealed monitoring device can intelligently drive devices to perform monitoring operation and cleaning operation through the intelligent control system, thereby realizing intelligent and automatic monitoring operation, and improving imaging effect and monitoring quality. Through the solar power generating system, self driving electric energy can be supplied, thereby realizing no requirement for external energy, preventing a use limitation caused by independence to an external power supply, and enlarging application range.
Owner:CHONGQING REAL ESTATE COLLEGE

Power transmission bus and bus assembly thereof

The invention relates to a power transmission bus and a bus assembly thereof. The power transmission bus comprises an aluminum strip and two copper-aluminum connecting components, wherein each copper-aluminum connecting component comprises a copper plate and a cast aluminum plate obtained by casting the copper plate as an embedded component; and one end of the cast aluminum plate and the aluminumstrip are welded together so that the two copper-aluminum connecting components are respectively positioned at both ends of the aluminum strip. The bus assembly for power transmission comprises threeto four buses, a square pipe and two seal blocks, wherein three to four buses are vertically arranged along the left direction and the right direction; rectangular holes matched with the copper-aluminum connecting components are arranged on the two seal blocks, and the two seal blocks are respectively sleeved outside the corresponding copper-aluminum connecting components and inserted at the leftend and the right end of the square pipe; the inner walls of the seal blocks are connected with the copper-aluminum contact position in a seal way, and the outer walls are connected with the inner wall of the square pipe in the seal way. The invention has favorable conductive performance, high reliability and long service life and can form a power line for transmitting low-voltage high-current ata long distance.
Owner:晏新海

External damage monitoring method and system based on intelligent warning column and readable storage medium

The invention discloses an external damage monitoring method and system based on an intelligent warning column and a readable storage medium and relates to the field of external damage identificationand monitoring. The method comprises the following steps of (1) acquiring vibration data and distance data of the warning column and then acquiring a primary recognition result, (2) collecting video and image data according to the primary recognition result and then sending the data and positioning data of the warning column to a cloud platform for secondary recognition to obtain a monitoring result, (3) sending the monitoring result to a patrolling device, a monitoring platform and other field devices, and (4) patrolling according to an external damage monitoring result, detecting and sendingthe distance between the patrolling device and the warning column and patrolling device positioning data to the cloud platform and allowing the monitoring platform to generating a patrolling path according to the distance and the positioning data. The problems that existing external damage behaviors cannot be monitored and prevented and the inspection efficiency of external damage inspectors is low are solved, and the effects that manual intervention is conducted after external damage is intelligently recognized and the external damage monitoring efficiency is improved are achieved.
Owner:CHENGDU POWER SUPPLY COMPANY OF STATE GRID SICHUAN ELECTRIC POWER

Manufacturing method and system of polyurethane insulation box for liquefied natural gas ship

The invention relates to a manufacturing method and system of a polyurethane insulation box for a liquefied natural gas ship. The manufacturing method includes a gluing and assembling stage, a leveling and output stage, a CNC machining stage and a packaging stage, wherein the gluing and assembling stage comprises a universal gluing and assembling process, a press-fitting process and an aging process; the manufacturing system comprises a universal gluing and assembling area, a MARK III secondary gluing and assembling area, a press-fitting area, an aging area, a leveling and output area, a CNC machining area and a packaging area. Compared with the prior art, the advantage of high efficiency of automatic equipment is utilized, function blocks are set according to properties of machining processes, all stations in the blocks are connected through an automatic logistics conveying line, all the blocks are connected through an intelligent conveying system, and thus the system can operate continuously, efficiently and orderly, the functions of the blocks can be exerted to the maximum extent, the influence of failures of single equipment on the whole production system is lowered, productionefficiency is improved, the production hours are shortened, and the high-precision quality requirement of products is met.
Owner:SHANGHAI JIAO TONG UNIV +1

Three-dimensional temperature field monitoring method based on space-time condition dynamic modeling

The invention discloses a three-dimensional temperature field monitoring method based on space-time condition dynamic modeling. The method comprises: using a temperature sensor for acquiring sensing data; based on a mixing effect model framework, using a temperature field physical model based on a heat conduction mechanism and a statistical model based on space-time correlation, analyzing three-dimensional temperature sensing data by establishing a novel three-dimensional temperature field model, and using parameters in the statistical model based on the space-time correlation to dynamically monitor the temperature field evolution process through a statistical process control tool. By the adoption of the method, the problems that an existing traditional temperature field modeling method and a wireless sensor technology are large in error in temperature field monitoring, provided temperature field information is missing or lost and the like can be solved, and whether the temperature field evolution process is stable or not is accurately and comprehensively monitored. The configuration cost of the temperature field sensor can be reduced, the temperature field modeling method is optimized, and the temperature field monitoring quality is improved.
Owner:PEKING UNIV
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