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1491results about "Fire alarm electric actuation" patented technology

Forest fire pre-warning method and system based on deep learning

The invention discloses a forest fire pre-warning method and system based on deep learning and belongs to the field of firefighting safety. The method comprises: S1, allowing an unmanned aerial vehicle to sense, in real time, temperature and humidity information of a driving area, taking a forest image of the driving area, transmitting the forest image to a ground station; synchronously transmitting locational information to the ground station; S2, judging fire pre-warning according to the temperature and humidity information, and transmitting a fire pre-warning signal to the ground station; S3, allowing the ground station to receive the fire pre-warning signal, and using a deep learning algorithm to process the forest image to obtain whether a fire is about to occur or whether fire results are present; S4, transmitting fire information to a forest management center. The temperature and humidity information is sensed and subjected to comparison; visual judgment is made on chances for afire to occur; if chances for the fire to occur are great, the forest image is processed via the deep learning algorithm; fire pre-occurrence and post-occurrence conditions can be precisely recognized; it is convenient for relevant personnel to accurately acquire fire conditions in the first place.
Owner:HUBEI UNIV FOR NATITIES +1

Remote fire monitoring electric meter system based on Internet of Things

The invention discloses a remote fire monitoring electric meter system based on Internet of Things. The remote fire monitoring electric meter system comprises electric meter detectors, an Internet of Things monitoring detectors and a monitoring center platform, wherein the electric meter detectors are used for detecting residual current, wire through current and temperature data in a circuit in real time; the Internet of Things monitoring detectors are used for analyzing and processing data sent by the electric meter detectors, judging whether phenomena that the electricity is leaked, the circuit is overloaded and the temperature of electric devices is abnormal occur in the circuit or not, and sending the abnormal phenomena to the monitoring center platform through the Internet of Things; the monitoring center platform is used for comprehensively managing the abnormal data sent by the Internet of Things monitoring detectors, alarming through a central alarming platform when the circuit is abnormal, accurately displaying positions of faults, automatically informing relevant responsible personnel to repair the faults and eliminate hidden danger through calls or short messages. The remote fire monitoring electric meter system can be simultaneously linked with a fire protection monitoring center, so that the fire protection monitoring and early-warning capability can be improved; the remote monitoring is achieved; the fire protection force can be remotely deployed; new generation of information network communication is accelerated and promoted; the electricity safety innovative service mode is promoted.
Owner:惠州市锦励科技有限公司

Forest fire prevention positioning prewarning monitoring system

The invention discloses a forest fire prevention positioning prewarning monitoring system. The system mainly comprises a plurality of monitoring nodes arranged in a forest, a positioning monitoring forwarding transmission unit and a monitoring center, wherein the monitoring node is used for monitoring the temperature and the smoke concentration in the forest, judging the temperature and the smoke concentration are in the specified range by the logical operation, and transmitting the alarm value out of the range to the adjacent monitoring node or the positioning monitoring forwarding transmission unit; the positioning monitoring forwarding transmission unit receives the alarm value transmitted by the monitoring node and forwarding the positioning physical information of the positioning monitoring forwarding transmission unit and the alarm value to the monitoring center; and the monitoring center receives and stores data transmitted by the positioning monitoring forwarding transmission unit, and providing the alarm and positioning information service. The system can give a prewarnning for the forest fire to a large extent by monitoring the temperature of the forest and has the advantages of a large number of monitoring nodes which are distributed in a starlike form, and good prewarning effect.
Owner:CHONGQING HEHANG TECH

Electrical fire monitoring and early-warning method based on anintegration algorithm and device

The invention discloses an electrical fire monitoring and early-warning method based on anintegration algorithm and a device, which comprises steps: S1 residual current of an electrical loop is detected; S2 the residual current is integrated for time to obtain a residual current integral parameter; S3 the voltage and the load current of the electrical loop are obtained; S4 electrical fire hidden trouble situations of the electrical loop are monitored and early-warmed according to integral parameters of various time periods; S5 the electrical fire hidden trouble situations of the electrical loop are alarmed and controlled according to the detection results of the residual current, the voltage and the load current; S6 the temperature on presupposed positions in the electrical loop is detected; and S7 an overtemperature integral parameter is obtained when the temperature is bigger than a setting threshold. The electrical fire monitoring and early-warning method based on the anintegration algorithm and the device are beneficial to check in hadden troubles in time in early stage by monitoring the residual current integral parameter, the redidual current, the voltage, the load current, the temperature and the overtemperature integral parameter and particularly monitoring the residual current integral parameter and the overtemperature integral parameter, and prevent the problem that electrical fire hidden troubles are not found in time.
Owner:合肥能安科技有限公司 +1

Method and device for flexibly identifying residual current-type electrical fire on line

ActiveCN102354427AEliminate or indicate short circuit faultsAvoid Electrical Fire AccidentsFire alarm electric actuationEffective value measurementsInformation processingLow voltage
The invention relates to a method and device for flexibly identifying residual current-type electrical fire on line. The method comprises the following steps: arranging a residual current mutual inductor in a power transmission and supply circuit of a low-voltage power distribution system; obtaining an instantaneous value irz of lumped residual current in the circuit as well as waveform which areacquired by the mutual inductor through a power supply branch residual current and other signal detection unit; and according to the characteristics such as abrupt change, discontinuity and nonlinearity of a spot-heat agglomeration residual current instantaneous value ird, separating and extracting ird from irz by adopting a modern information processing technology, and calculating an effective value Ird of ird so as to identify whether potential electrical fire danger exists according to the size of Ird. The on-line identification device consists of three parts such as a residual current signal processing unit, the power supply branch residual current and other signal detection unit and an output execution unit. By adopting the residual current-type flexible on-line electrical fire identification method and device, the features of the potential electrical fire danger caused by electric arc grounding faults can be accurately extracted, normal residual current and abnormal residual current can be correctly identified, and alarm failure and false alarm can be avoided.
Owner:XIAN HIRATE NET ELECTRIC EQUIP CO LTD

Fire-fighting Internet of Things remote monitoring system based on cloud platform

The invention discloses a fire-fighting Internet of Things remote monitoring system based on a cloud platform. The system comprises an Internet of Things architecture formed by a device sensing layer,a data processing layer, and a system application layer, and further comprises a cloud platform. The device sensing layer performs real-time fire monitoring on each monitored area by a front-end things-sensing device, and obtains fire detection data in real time. The data processing layer transmits the data to the cloud platform through the network, uses the method of weighting fuzzy data fusionto fuse the fire monitoring data detected by the front-end things-sensing device, and classifies, stores, and reports monitoring signals. The system application layer comprises a fire-fighting networked remote monitoring center and a fire alarm information terminal, and uses a combination of a PC terminal and an APP mobile terminal to present monitoring system information. The fire-fighting Internet of Things remote monitoring system based on the cloud platform reduces the energy consumption of data fusion nodes, has better data real-time performance, and realizes real-time automatic update and access of the data of the upper layer service application through a data service support interface.
Owner:WUHAN WUTOS +1

Multi-physical fused fire monitoring system and method thereof for predicting fire probability of occurrence

The invention discloses a multi-physical fused fire monitoring system and method thereof for predicting fire probability of occurrence. The monitoring system comprises a point type smoke sensing detector, a point type temperature sensing detector, a line type beam smoke sensing detector, an air-breathing smoke sensing fire detector, a cable line type temperature sensing detector, a cable multi-point type temperature detector, an in-place module, a first station layer switch and a cable fire monitoring early-warning system server. The method comprises the following steps: step one, orderly performing initialization, denoising and normalization on sensor data; step two, initializing a feature layer, selecting a random input weight beta and an output target T to form an input matrix H; step three, processing the feature layer data in batch, performing weight iteration after the initialization; step four, making the final judgment through an algorithm; and step five, judging that the fireoccurs and giving an alarm if a fusion result is greater than a set threshold, or repeating the steps 1-4. Through the system and method disclosed by the invention, the false alarm and the failed alarm of the fire can be effectively reduced, and the accuracy of the fire prediction can be greatly improved.
Owner:应急管理部四川消防研究所

In-building safety monitoring system based on BIM technology

The invention discloses an in-building safety monitoring system based on the BIM technology. The system comprises a data acquisition unit, a BIM integrated data memory, a BIM operation controller, a safety supervision terminal and an alarm module; the data acquisition unit comprises a smoke/fog sensor and a temperature sensor, and is used to detect ambient smoke/fog concentration and temperature information in real time and transmit the ambient smoke/fog concentration and the temperature information to the BIM operation controller through wireless communication; the BIM integrated data memory is used to store a three-dimensional model of a building; the BIM operation controller is used to receive and analyze the smoke/fog concentration and the temperature information, and send fire information to the safety supervision terminal and the alarm module; the safety supervision terminal is used to receive the fire information and show the fire information to work personnel; and the alarm module is used to broadcast the fire information and evacuation information to personnel in the building. A detailed three-dimensional position of the fire danger can be timely and accurately obtained, the scope of danger notification is expanded, and the system is in favor of improving danger processing and personnel evacuation efficiency.
Owner:成都智建新业建筑设计咨询有限公司
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