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61 results about "Flood warning" patented technology

A flood warning is closely linked to the task of flood forecasting. The distinction between the two is that the outcome of flood forecasting is a set of forecast time-profiles of channel flows or river levels at various locations, while "flood warning" is the task of making use of these forecasts to make decisions about whether warnings of floods should be issued to the general public or whether previous warnings should be rescinded or retracted.

Dynamic optimization based neural network flood warning device and method

InactiveCN104408900AFast and Accurate Rainstorm and Flood Forecasting and Forecasting ServiceAlarmsInformation processingEvaluation result
The invention provides a dynamic optimization based neural network flood warning device and a method. The device comprises an information processing unit, an information collection module, a GPS satellite positioning module, a GIS geographic information module, a wireless network module and a client, wherein the information collection module, the GPS satellite positioning module, the GIS geographic information module and the wireless network module are connected with the information processing unit, and the client is connected with the wireless network module. The information processing unit is used for carrying out data assimilation on matched information, assimilated data comprises historical information data and implementation information data, a network flood forecasting model is established by using the historical information data, the established network flood forecasting model is corrected by using implementation information so as to acquire a dynamic network flood forecasting model, and a disaster evaluation result is outputted by using the network flood forecasting model; and the wireless network module sends the disaster evaluation result to the client. According to the invention, mountain flood disaster analysis and judgment are carried out timely and accurately through the network flood forecasting model, thereby providing a reliable basis for making and selecting defense solutions in real time.
Owner:LIUZHOU TEACHERS COLLEGE

Normalized and animated inundation maps

Methods and systems for normalizing flood warnings and potential flood levels across multiple river gauges by converting localized flood stage levels to a datum-based normalized value are disclosed. The normalized flood levels can then be used to plot flood levels from multiple river gauges on an inundation map. Methods and systems are also disclosed for creating animated inundation maps that illustrate flood levels geographically, and may include an indication of the certainty that flooding will reach one or more of the indicated flood levels through the use of multiple colors, shades, dithering, or the like.
Owner:USER CENTRIC IP

Regional meteorological drought level prediction method coupled with multi-source data

ActiveCN107316095ATo overcome the deficiency of autocorrelation propertyFitting dynamic evolution featuresClimate change adaptationForecastingDownscalingComputer science
The present invention discloses a regional meteorological drought level prediction method coupled with multi-source data. The method is characterized in that: by space downscaling of the remote sensing precipitation data of the gridded satellite, a high-resolution regional precipitation space database is constructed, the drought levels are divided by using a standardized drought index, and based on the non-stationary Markov chain model, a meteorological drought level prediction model with time-varying transition probability is constructed. According to the method disclosed by the present invention, multi-source remote sensing information and basic underlying surface features are used to capture the spatial variability of regional precipitation, the lack of precipitation observed in traditional sites is made up for, the external coercion and precursor signals of the evolution of drought and flood of large-scale meteorological factors that can reflect the characteristics of atmospheric circulation are made full use of, and the mechanism of formation and development of drought and flood is taken into account to a certain extent, so that the dynamic evolution characteristics of meteorological and hydrological systems are more in line with, highly scientific and practicability are ensured, and a foundation can be laid for the establishment of a drought and flood warning system.
Owner:WUHAN UNIV

Urban flood warning system and method based on radial basic function neural network model

The invention discloses an urban flood warning system and method based on a radial basic function neural network model. The method comprises following steps: utilizing ultrasonic rangefinders to measure water accumulation of urban roads; utilizing water level sensors to measure water level information on urban riverways; gathering related information on a same region to data acquisition terminals for preprocessing; sending preprocessed related data to a monitoring center server; and utilizing the radial basic function neural network model to forecast and warn the urban flood conditions and sending results to mobile terminals for related users by the server. Users can search for flooding conditions of relevant places by loading the server via the network. The urban flood warning system and method based on the radial basic function neural network model have following beneficial effects: water accumulation conditions of urban roads and water level changing conditions of urban riverways are automatically monitored; urban flood conditions are forecast and pre-warned; advantages such as small error, high real-time performance, low cost and accurate pre-warning information are obtained; and a good market prospect and application value are achieved.
Owner:HOHAI UNIV CHANGZHOU

Flotation apparatus for motor vehicle

The present invention relates to an inflatable device that is particularly useful for floating a motor vehicle on water. The present invention also relates to an inflatable device that can be affixed to the motor vehicle, when flooding is expected, thus enabling the vehicle to float on flood waters. The present invention further relates to an inflatable flotation device that is reliable, easily affixed to the vehicle. The method used to affix the present invention to a motor vehicle is important since flood conditions are often foreseen and flood warnings are often given ahead of time. Therefore, the present invention is a quickly deployable flotation device that is useful when flooding is expected or anticipated.
Owner:BLACKLOCK TERESA LYNN

Flood data collection and warning mechanism

Techniques for automatically providing flood warnings to individuals are provided. The techniques include receiving a message regarding a water level observed in connection with a totem display at a geographic area, using the message and one or more items of available data to generate a flood level prediction for the geographic area, and sending a flood warning to one or more registered individuals if the flood level prediction for the geographic area exceeds a predetermined threshold.
Owner:TERRACE LICENSING LLC

Systems and methods for modeling floods

A flood modeling system defines virtual cells of a geographic region. Some of the cells, referred to as “channel cells,” represent areas within a channel for a moving body of water, such as a stream or river. Other cells, referred to as “land cells,” represent areas external to the channels within the geographic region. The flow of water through the geographic region is modeled as a virtual flow of water through the channel cells and the land cells. The virtual flow of water through the channel cells is modeled via a channel flow algorithm, and the virtual flow of water through the land cells is modeled via a land flow algorithm. For each time step, the system calculates the amount of water that virtually flows out of one cell into adjacent cells. Thus, for any given time step, each cell has an estimated amount of water virtually contained within the cell. The water estimated to virtually flow above ground represents flood water and can be quantified for each cell. Thus, data indicative of the amount of water estimated to be above ground for the land cells can be used to generate an inundation map or for other purposes, such as initiating flood warnings for areas that are modeled to experience a significant amount of flooding.
Owner:BARON SERVICES

Regional flood early warning method

PendingCN109583642ASolve problems such as insufficient early warning accuracyGuaranteed forecast accuracyClimate change adaptationForecastingData informationAerial photography
The invention discloses a regional flood early warning method which comprises the following steps: step 1, carrying out image aerial photography on a waterlogging region by adopting an unmanned aerialvehicle, and generating a ground DEM digital elevation model according to the image; 2, according to the DEM, the runoff producing areas of the points prone to waterlogging and the concave land are calculated, and the water blocking building is recognized; Step 3, establishing a relation curve of the river water level, the rainfall and the drainage capacity according to the historical data information to form a waterlogging model; Wherein the input data of the model are river water level and rainfall, and the output data are waterlogging water depth and flood inundation range; 4, dynamicallydisplaying the real-time flood inundation range in a three-dimensional real-scene model according to the three-dimensional real-scene model generated by the aerial image; In the prior art, only rainstorm is considered in regional flood early warning, factors such as poor drainage and the like are not considered, and therefore the problems that large deviation exists in regional flood early warning, and flood early warning precision is not high are solved.
Owner:GUIZHOU EAST CENTURY SCI TECH CO LTD

System and method for monitoring river flow in real time through simulating binocular vision

The invention discloses a system and a method for monitoring river flow in real time through simulating binocular vision in order to overcome a problem that an existing flood warning system is inaccurate. The system comprises a river water surface tracing platform, a natural water surface observation platform, an image acquisition and transmission platform and a flow estimation platform, wherein the river water surface tracing platform comprises a natural water surface floating object or a natural water surface wave; the natural water surface observation platform comprises two high-definitionwide dynamic wide-angle non-distorted camera modules; the image acquisition and transmission platform comprises a plurality of remote routers which communicate through 5G; the flow estimation platformcomprises a flow calculation module and a monitoring display module; an online data real-time transmission platform is built on the basis of an optical flow method and a 5G technology, rapid analysisof data flow and online flow monitoring are realized, and the analysis response time reaches hundreds of milliseconds. Real-time and reliable flow measurement and estimation are carried out on a river network by using a computer vision means and the calculation capability, so that the severity of an event is evaluated more accurately, and a flash flood condition is improved.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER

Water level early-warning method based on small-watershed rainstorm torrential flood level rising changes in mountainous area

The invention provides a water level early-warning method based on the small-watershed rainstorm torrential flood level rising changes in a mountainous area. The method comprises: step one, selectinga small-watershed channel segment needing rainstorm torrential flood warning as a target channel segment and determining a flood water level of the target channel segment based on an object with highflood vulnerability; step two, under the condition of rainstorm occurrence at the upstream of the target channel segment, monitoring a flood water level rising rate of the control fracture surface ofthe target channel segment till flood subsidence; and step three, determining whether to carry out early warning of migration preparation based on the changing information of the flood water level rising rate; if so, determining whether the flood reaches a flood water level sudden rising stage based on the real-time flood water level rising rate changing information; and if so, estimating estimated time of reaching the disaster water level by the flood water level and an estimated time of reaching the disaster water level by the flood water level; and carrying out migration warning immediatelyas soon as possible before the estimated time of reaching the disaster water level by the flood water level.
Owner:SICHUAN UNIV

Video real-time monitoring system and method for emergency disposal of landslide weir dam

The invention discloses a video real-time monitoring system and method for emergency disposal of a landslide barrier dam. The system comprises a dynamic monitoring camera, a front-end detector, a video monitoring platform and a flood early warning system. The method comprises the following steps of monitoring upstream, middle and downstream key positions of a dam in real time by utilizing a dynamic monitoring camera; transmitting the video information acquired by the front-end monitoring equipment to a video monitoring platform; intelligent image analysis being carried out by utilizing artificial intelligence, geometrical characteristics of a barrage and real-time changes of upstream incoming water and the water level in the reservoir being obtained by combining existing measurement data,and the drainage basin area, the barrage height and the barrage volume being calculated; and the ArcGIS hydrological analysis module being used for processing the DEM data of the digital elevation model, and predicting the scale of a blocked river channel caused by landslide and the backwater range of a barrier lake. The method is advantaged in that problems that weir dam monitoring and early warning are not in time, a large amount of material resources and manpower are consumed, efficiency is low, and the swept range of dangerous cases cannot be accurately predicted are solved.
Owner:HOHAI UNIV

Flood early warning analysis method and system based on Poisson regression and spatial filtering values

The invention provides a flood early warning analysis method and system based on Poisson regression and spatial filtering values. The method comprises the steps that frequency statistics of flood early warning events is carried out on historical observation data of hydrological stations in a certain drainage basin; selecting disaster inducing factors and disaster forming factor data in the drainage basin, constructing a Thiessen polygon for hydrological station point coordinate points to obtain a space, and performing eigenvalue and eigenvector decomposition; under the condition that the spatial autocorrelation significance test is met, carrying out forward selective regression, and establishing a Poisson regression model based on a spatial filtering value; and adding the screened featurevectors serving as independent variables and disaster-causing and pregnancy factors into a Poisson regression model, constructing a spatial filtering value-based flood warning event frequency Poissonregression model, and supporting to realize fitting prediction of the flood warning event frequency. The method can overcome the defect of low fitting precision in the prior art, and is used for riskprediction of flood dike burst and dam break of all stations in a whole basin.
Owner:WUHAN UNIV

A small watershed mountain flood forecasting method

The invention relates to a small watershed mountain flood forecasting method, and provides a technical scheme for solving the problem of low flood forecasting precision of a small watershed in the prior art, which comprises the following steps of: setting model parameters; inputting real-time data; carrying out runoff production calculation, water source division calculation and confluence calculation; Outputting the flow data of the on-site runoff and the total flow data at the outlet of the whole basin; judging whether the output total flow at the outlet of the whole basin is greater than aflood early warning threshold or not; if the flood early warning threshold value is not greater than the flood early warning threshold value, not operating; And starting a flood early warning scheme if the flood early warning threshold value is greater than the flood early warning threshold value. Source of model parameters in the method is 5-. In 10 years, the rainfall data and the real-time dataof the basin are from the monitoring data of the telemetry system, and in addition, before the real-time data are input, the detection data of the telemetry system are processed by using a robust algorithm. The method is suitable for simulated runoff calculation of a small watershed, is suitable for short-term runoff forecasting, and is high in forecasting precision.
Owner:浙江同川工程技术有限公司

Decentralized flood early warning water information system for micro-service area and integration method thereof

The invention discloses a decentralized flood early warning information system for a micro-service area and an integration method thereof. The system comprehensively organizes functions of data acquisition and processing, machine learning flood early warning, flood inundation map display and the like, and comprises a data acquisition layer, a data integration layer, a micro-service layer, a service registration center cluster, an API Gateway cluster and a terminal user layer. The method has relatively strong system fault-tolerant capability and reliability; and the system application is expanded and evolved into fine-grained service expansion, the programming language selection range is wide, deployment is simplified, real-time water information data, model simulation analysis and result visualization can be integrated, and then the instant flood inundation range and depth information based on a GIS map are provided for a decision maker.
Owner:INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS

Coal mining face flood disaster alarming system based on infrared images

The invention discloses a coal mining face flood disaster alarming system based on infrared images. The alarming system collects infrared image data of a coal mining face through infrared image collecting equipment, meanwhile, water level and hydrologic data related to the flood disaster are collected, and real-time monitoring is conducted on the collected data; when abnormal water inrush and water level anomalies in the coal mining face are monitored through the infrared image data, and the water level and hydrological data anomalies are consulted, and a flood warning or alarming signal is issued. According to the alarming system, the characteristics of the flood disaster in the coal mining face are fully taken into consideration, implementing is simple, corresponding measures are adoptedautomatically in time, alarming can be conducted on water inrush in the mine coal mining face for the first time, and the valuable escape and relief time is striven for downhole workers.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Systems and methods for modeling floods

A flood modeling system defines virtual cells of a geographic region. Some of the cells, referred to as “channel cells,” represent areas within a channel for a moving body of water, such as a stream or river. Other cells, referred to as “land cells,” represent areas external to the channels within the geographic region. The flow of water through the geographic region is modeled as a virtual flow of water through the channel cells and the land cells. For each time step, the system calculates the amount of water that virtually flows out of one cell into adjacent cells. The water estimated to virtually flow above ground represents flood water, and the estimates of such water can be used to generate an inundation map or initiate flood warnings.
Owner:BARON SERVICES

Flood prevention command system

The invention relates to the technical field of water conservancy and in particular to a flood prevention command system which includes a flood prevention dyke patrolling UAV, a dyke information collection device, a water body information collection device, an information processing and early warning system, and a flood prevention command center. The flood prevention dyke patrolling UAV collects and transmits dyke information and water body information to the flood prevention command center in real time. The information processing and early warning system includes a flood control information interaction device, an information integration and analysis system, and a flood situation warning system. The flood prevention command center grasp the dyke information, the water body information, a weather forecast, and flood prevention deployment situation in real time, discovers, treats and eliminates dangerous cases timely according to an analysis result and the flood situation warning provided by the information integration and analysis system, accurately issues a flood prevention instruction, organize and direct flood prevention works and avoid disasters.
Owner:王清平

Flood early warning method and flood early warning device

The invention provides a flood early warning method which comprises the steps of determining an effective flood early warning zone, laying an oil and gas pipeline in the effective flood early warning zone, wherein the oil and gas pipeline passes through n flowing points of m rivers, p hydrometric stations are arranged on the m rivers, m, n and p are integers, and p is larger than or equal to 3 and larger than or equal to m. And determining the influence area of the river at each flowing point on the oil and gas pipeline. Dividing the effective flood early warning area into p polygonal areas adjacent to each other by using the position information of the p hydrometric stations according to an equidistant polygon method, wherein rivers flowing through the same polygonal area have the same flood early warning level. And determining the flood early warning level of the oil and gas pipeline at each flowing point according to the flood early warning level corresponding to the polygonal area where each flowing point falls. And obtaining a flood early warning result of the oil and gas pipeline based on the river influence area at each flowing point and the flood early warning level at each flowing point. In addition, the invention further provides a flood early warning device.
Owner:北京中地华安科技股份有限公司

A regional meteorological drought grade prediction method based on coupled multi-source data

ActiveCN107316095BTo overcome the deficiency of autocorrelation propertyFitting dynamic evolution featuresClimate change adaptationForecastingHydrometryMulti source data
The present invention discloses a regional meteorological drought level prediction method coupled with multi-source data. The method is characterized in that: by space downscaling of the remote sensing precipitation data of the gridded satellite, a high-resolution regional precipitation space database is constructed, the drought levels are divided by using a standardized drought index, and based on the non-stationary Markov chain model, a meteorological drought level prediction model with time-varying transition probability is constructed. According to the method disclosed by the present invention, multi-source remote sensing information and basic underlying surface features are used to capture the spatial variability of regional precipitation, the lack of precipitation observed in traditional sites is made up for, the external coercion and precursor signals of the evolution of drought and flood of large-scale meteorological factors that can reflect the characteristics of atmospheric circulation are made full use of, and the mechanism of formation and development of drought and flood is taken into account to a certain extent, so that the dynamic evolution characteristics of meteorological and hydrological systems are more in line with, highly scientific and practicability are ensured, and a foundation can be laid for the establishment of a drought and flood warning system.
Owner:WUHAN UNIV

A Flood Forecasting Method Based on Doubling Algorithm

The invention discloses a flood forecasting method based on a multiple ratio algorithm, which includes: step 1, calculating the current flow value of the target small watershed; step 2, calculating the flow value in the upstream forecast period according to the actual measured grid point rainfall data; step 3, Compare the current flow value of the target small watershed with the flow value in the foreseeable period; step 4, when the flow value in the foreseeable period exceeds the current flow value of the target small watershed by more than twice the current flow value of the target small watershed, an early warning message is sent through the flood control forecasting system; it solves the problem of the prior art Mountain torrent disaster early warning is based on the monitoring of the current rainfall by the rainfall station, and it is determined whether to issue early warning information compared with the critical rainfall; because the upper reaches of many small watersheds have experienced light to moderate rain, the resulting changes in rainfall and flow are not enough to trigger the flood warning system. When the instantaneous flow rate suddenly doubled, it caused flash floods, and tourists in the river channel were not prevented enough to cause casualties and other problems.
Owner:GUIZHOU EAST CENTURY SCI TECH CO LTD

An Urban Flood Early Warning System and Its Method Based on Radial Basis Function Neural Network Model

The invention discloses an urban flood early warning system based on a radial basis function neural network model and a method thereof, including measuring urban road water accumulation by using an ultrasonic range finder, measuring urban river water level information by using a water level sensor, and collecting relevant The information is aggregated to the data collection terminal for preprocessing, and the processed relevant data is sent to the monitoring center server through the network. The server uses the radial basis function neural network model to predict and warn the urban flood situation, and sends the results to the relevant user's mobile terminal. Users can also log in to the server through the network to inquire about the flood situation in relevant places. The invention realizes automatic monitoring of urban road water accumulation and urban river water level changes, and performs prediction and early warning of urban flood conditions. It has the advantages of small error, high real-time performance, low cost, accurate early warning information, etc., and has good market prospects and Value.
Owner:HOHAI UNIV CHANGZHOU

Water level marking and warning device for municipal drainage

The invention relates to the technical field of municipal drainage, and particularly relates to a water level marking and warning device for municipal drainage. The device comprises a fixing plate, supporting mechanisms, a placement mechanism, indicating mechanisms, a warning mechanism and a clamping mechanism. When the device is used, the supporting mechanisms are arranged on the periphery of thefixing plate, the whole device can be conveniently and stably fixed in a riverway through corresponding gear transmission structures and screw rod transmission structures, the fixing stability of thedevice is guaranteed, and the influence of torrent water flow is reduced; the indicating mechanisms are arranged inside and at the top of the placement mechanism, and play a corresponding role in indicating water level changes under the driving of buoyancy through corresponding gear and rack transmission structures, so that people can well perform early warning work when encountering floods; andthe warning mechanism is arranged in the placement mechanism, and through corresponding linkage assistance of the indicating mechanism, a corresponding warning effect is achieved when the water levelreaches a certain degree, so that people can obtain flood warning information conveniently.
Owner:陈 志峰

Water level monitoring and early warning camera data processing method

The invention provides a water level monitoring and early warning camera data processing method, which comprises the following steps of: firstly, acquiring image information by using a camera, acquiring water level image data, obtaining a water gauge image, and processing and digitizing the image information to obtain corresponding water level information; secondly, analyzing and comparing with disaster forming water level data in recorded national mountain torrent disaster investigation and evaluation results, analyzing whether the current upstream water level causes flood disasters to each downstream risk area or not, and generating an early warning signal; and finally, transmitting the early warning signal to a downstream risk area through a communication module. According to the invention, the requirements of actual monitoring and early warning flood prevention are met, water level information is fed back in time, and an early warning signal is generated through data analysis and comparison, so that flood early warning is conducted on downstream flood disaster dangerous areas.
Owner:SHANDONG JIANZHU UNIV +1

Medium and small river basin geological disaster and flood early warning method based on critical rainfall

The invention discloses a medium and small river basin geological disaster and flood early warning method based on critical rainfall. The method comprises the following steps: step 1, calculation of area rainfall: generally adopting an arithmetic mean method and a Thiessen polygon method. The Thiessen polygon method firstly calculates time period rainfall of each station of a river basin; and then, according to the weight of the area of the drainage basin occupied by each rainfall station, superposes the time period rainfall of each rainfall station in the drainage basin by adopting a weighting method. The method has indexes which are easy to distinguish, can accurately capture geological disaster events caused by rainstorm, heavy rain and the like in small and medium watershed areas, has good forecasting effect, has high practical application value and is worthy of popularization, has important guiding significance for currently developed hydrological monitoring and early warning of flood-prone areas of medium and small rivers and national mountain torrent disaster prevention and control pilot work, and effectively avoids the problem that the height of flood cannot be predicted in time when the existing medium and small river basins encounter flood seasons.
Owner:KUNMING UNIV OF SCI & TECH

Distributed medium and small watershed geological disaster and flood early warning method based on critical rainfall

The invention discloses a distributed medium and small watershed geological disaster and flood early warning method based on critical rainfall, an information acquisition terminal, an urban area datadivision part, an image information acquisition center and a receiving terminal are arranged internally, and the output terminal of the information acquisition terminal is connected with the input terminal of the urban area data division part. According to the distributed medium and small watershed geological disaster and flood early warning method based on the critical rainfall, the river water flow can be accurately located on a geographic area and a river branch, positioning accuracy during early warning is facilitated; meanwhile, when river flood information is collected, three terminal detection devices are utilized. A rain collector, a water level height sensor and a monitor are arranged; on one hand, the rain collector can accurately measure the rainfall within the timing duration,and on the other hand, the water level height sensor can clearly measure the water line in the river.
Owner:HUAIYIN TEACHERS COLLEGE

GPS remote sensing flood warning method based on artificial intelligence decision tree

The invention discloses a GPS remote sensing flood prediction method based on an artificial intelligence decision tree, comprising the following steps: S1, reading the original observation value of GPS satellite; S2, preprocessing the original observation value; S3, adopting the pseudo-range between epochs The information of the difference, the carrier phase difference and the epoch time interval generates a flood detection amount, and the flood detection amount includes a first detection amount and a second detection amount; S4, using an artificial intelligence-based decision tree algorithm to establish a sub-satellite sub-frequency flood detection model; S5, combine the first detection quantity and the second detection quantity of the GPS dual-frequency signal to detect the flood, and mark the result according to the detection threshold; S6, perform flood warning according to the detection result or update and iterate the flood detection model. The artificial intelligence-based decision tree algorithm is used to establish a high-precision flood detection model, and the correlation between the detection amount and other auxiliary characteristic parameters is deeply excavated to reduce the false detection rate and ensure the accuracy and stability of flood detection.
Owner:浙江国遥地理信息技术有限公司

An energy-saving garage flood early warning method and device

The invention discloses an energy-saving type flood early warning method and device for a garage. The early warning method includes the step of dormancy, wherein before the water level of the garage reaches a start water level, the early warning device is in a dormancy standby mode; the step of working, wherein when the water level of the garage reaches the start water level, a controller is activated, and the device goes into a working mode; the step of sampling, wherein after the device goes into the working mode, sampling is conducted through a water level sensor to obtain the height of the water level; the step of early warning, wherein when the value of the water level reaches a threshold value H0, a communication module is started to inform a car owner or related personnel; the step of stopping, wherein when stop conditions are met, early warning is stopped, and the device returns back to the dormancy mode. The early warning device mainly comprises a base, a digging rope, a travel switch, a floater, a digital processing chip, the communication module, a power supply for providing electric energy and the water level sensor. The dormancy mode is designed, so the device can automatically switch between the dormancy mode and the working mode; furthermore, an electronic switch can be arranged for starting and closing a related circuit module, and therefore energy consumption can be reduced to the greatest extent.
Owner:XIAMEN UNIV OF TECH

A car anti-flooding online intelligent early warning device

The invention discloses an automobile anti-flooding online intelligent pre-warning device. The processing device is embedded on the side of the early warning host, and the early warning host is electrically connected with the online speaker device through the signal processing device. The present invention can predict the height of the water surface when the device is installed at the same height as the chassis of the car through the provided water surface pre-sensing device. Its early warning function is installed shorter than the chassis of the car, causing the device to touch the ground and wear out when the car goes up and down the road ridge, or embedded in the lower surface of the car chassis, it cannot sense the water surface earlier than the chassis, and the early warning function Weaker problems, to achieve a real anti-flooding warning function.
Owner:沈晓亮
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