19 results about "Alarm Failure" patented technology

The invention discloses an abnormal operation state maintenance system and method for an internet platform. The system comprises a data acquisition module, an intelligent analysis module, a strategy generation module, an execution control module and a knowledge base module. The data acquisition module generates monitoring data stream signals in a unified format; the intelligent analysis module receives the monitoring data stream signal and generates an abnormal state judgment signal and a root cause positioning signal through multi-source data fusion analysis; the strategy generation module generates an operation instruction signal containing a disposal type and an execution parameter; the execution control module receives the operation instruction signal and generates an operation result feedback signal; and the knowledge base module continuously receives and stores associated data of the root cause positioning signal and the operation result feedback signal, and provides a historical case matching signal for the intelligent analysis engine module. According to the operation abnormal state maintenance system and method for the internet platform, the problem of alarm failure caused by high false report and missing report rate of abnormal detection can be solved.

The utility model relates to a kind of intelligent environment monitoring devices running on domestic operating system, including temperature and humidity sensor, noise sensor, network interface, remote signalling lightning protection module, smoke sensor, water leakage sensor, vibration sensor, infrared intrusion detector, PM2.5 sensor, audible and visual alarm, monitoring equipment, temperature and humidity sensor, noise sensor, network interface, remote signalling lightning protection module, smoke sensor, water leakage sensor, vibration sensor, infrared intrusion detector, PM2.5 sensor, monitoring equipment, audible and visual alarm are connected with host computer, host computer uses 32 industrial ARM embedded processor main chip and uses domestic embedded real-time operating system RT-Thread, can monitor UPS detailed parameter, through with UPS communication acquisition, real-time monitoring the operating parameter of UPS, and the data of acquisition is uploaded to monitoring system platform, can monitor UPS input voltage, output voltage, output current, load percentage, UPS temperature, frequency, battery pack voltage, alarm failure etc.

This invention proposes a method for communicating a single-person distress alarm at sea, comprising the following steps: collecting the person's current status data at a first preset time interval; identifying the person's identity when the current status data exceeds a threshold; determining an alarm based on the person's identity; and issuing an alarm signal based on the result of the alarm determination. This method leverages information about the person's movements and surroundings collected by sensors as alarm determination criteria, and advances the time of alarm issuance. This avoids the problem of signal attenuation after a person falls into the water, which shortens the communication distance and increases the probability of alarm failure. This effectively improves the success rate of person-overboard alarms.

The invention relates to the technical field of shipborne falling-into-water alarm systems, and discloses a shipborne falling-into-water positioning alarm system based on Beidou GPS remote sensing, which comprises a remote sensing checking unit, a hull attitude sensing unit, an exit sensor and an alarm host, and is characterized in that the alarm host carries out cross validation on the number of observers and the hull attitude to trigger alarm; according to the invention, a triple alarm logic of state verification, exit gating and baseline self-consistency is constructed, alarm triggering is changed from dependence on individual cooperation to system platform monitoring, the problem of alarm failure in a non-cooperation state is solved, and the reliability of the system is improved. And benign cabin entering and real water falling can be distinguished, and systematic missing report caused by configuration errors is avoided.

The invention relates to an offshore platform ship collision probability calculation method and system, processing equipment and a storage medium. The method comprises the following steps: identifying an air route in a research range of a to-be-evaluated offshore platform; determining the ship traffic flow data of each identified air route, and carrying out statistics on the ship flow density of each air route in the research range of the offshore platform to be evaluated; calculating the ship flow density of each section of the air route with the specified length in the research range of the offshore platform to be evaluated; determining the corresponding ship flow occupied by the collision radius on each air route section in the research range of the to-be-evaluated offshore platform; calculating the probability of navigation lookout or early warning failure of the ship within the research range of the offshore platform to be evaluated; calculating the alarm failure probability of the offshore platform or the guard ship to be evaluated; according to the method, subjective deviation can be eliminated, objective analysis is realized, and the method can be widely applied to the field of safety production of offshore oil.

The application relates to the technical field of early warning fastener, in particular to a tower crane anti-loosening early warning bolt, an early warning nut and an early warning fastening device. The tower crane anti-loosening early warning bolt comprises a bolt body, a first elastic contact assembly, a first PCB, a first battery, a sealing cover and a first alarm. The bolt body comprises a head and a shank which are connected with each other. The first PCB is fixed on the end face of the head away from the shank. The first battery and the first alarm are both mounted on the first PCB and are seamlessly wrapped by the sealing cover. The head is provided with penetrating holes, and one first elastic contact assembly is mounted in each penetrating hole. One end of the first elastic contact assembly is fixed to the first PCB, and the other end is exposed from the head when not compressed. The alarm mechanism is arranged on the bolt, which makes up for the deficiency of alarm failure caused by possible loosening of the early warning nut. The early warning bolt collects the pressure information of the first elastic contact assembly through the first PCB, and when the early warning bolt is loosened, the pressure is reduced, so that the first alarm can be started to give an alarm.

The application discloses a kind of battery management system's alarm failure processing method and system, set the multiple alarm levels of fault type;According to the order from high to low of the level of alarm level, whether the alarm limit flag bit is set is judged, if the alarm limit flag bit of high alarm level is set, then end alarm limit flag bit judgment;Otherwise, continue to judge whether the alarm limit flag bit of low alarm level is set, until the judgment of whether the alarm limit flag bit of all alarm levels is set is completed;After corresponding fault type alarm limit flag bit whether the judgment of setting is completed, the control of relay is carried out.The application places the fault diagnosis of BMS in a subprogram module, additionally, the control of relay is placed in another subprogram module independent operation, and detailed diagnosis and control process are formulated, so that fault processing is more clear and reliable.

The application discloses a kind of dynamic alarm knowledge base creation methods based on alarm management, comprising: S1, based on the experience of engineer processing alarm matter is converted into alarm knowledge point data formation engineer knowledge base, engineer knowledge base is used to form think tank management under the unified management;S2, based on the alarm data acquisition and processing of multiple heterogeneous monitoring systems, heterogeneous monitoring equipment and heterogeneous monitoring server alarm data corresponding information is created into alarm failure knowledge base;S3, engineer knowledge base and alarm failure knowledge base are associated and information integration, to form dynamic alarm knowledge base, dynamic alarm knowledge base is used to provide the guidance and support of fault handling, and assist engineer to quickly locate and solve one or more problems in multiple heterogeneous monitoring systems, heterogeneous monitoring equipment and heterogeneous monitoring server. Corresponding system, electronic equipment and readable storage medium are also disclosed.

The utility model relates to an infrared fire-fighting alarm button, which comprises a shell, a PCB (printed circuit board) and an action window are arranged in the shell, the action window is positioned above the PCB, a window corresponding to the action window is arranged on the upper side surface of the shell, and the action window shields the window; an infrared transmitter and an infrared receiver are arranged on the upper side face of the PCB, and the transmitting end of the infrared transmitter is opposite to the receiving end of the infrared receiver; a partition rib is arranged on the lower side face of the action window, after the action window is pressed down in place, the partition rib is arranged between the infrared transmitter and the infrared receiver, and infrared connection between the infrared transmitter and the infrared receiver is blocked through the partition rib. According to the infrared fire alarm button, the infrared transmitter and the infrared receiver which are optical devices with good stability and reliability are adopted, the infrared fire alarm button with good stability and reliability and long service life is obtained, when the infrared fire alarm button is applied to the daily environment, the product function is effectively guaranteed, and the hidden danger and the risk of alarm failure when a fire disaster happens can be effectively avoided.

The utility model relates to a magnetic switch fire-fighting alarm button, which comprises a shell, a PCB (printed circuit board) and an action window are arranged in the shell, the action window is positioned above the PCB, a window corresponding to the action window is arranged on the upper side surface of the shell, and the action window shields the window; a magnetic switch is arranged on the upper side face of the PCB, and a magnet is arranged on the lower side face of the action window. A baffle located on the left side of the action window is arranged on the inner top face of the shell, the left side edge of the action window abuts against the baffle, a spring is arranged on the right side edge of the action window, and the right end of the spring is arranged on the right inner side wall of the shell. When the action window is pressed downwards, the abutting force between the action window and the baffle is relieved, and the action window obliquely moves downwards. The magnet gradually gets close to the magnetic switch, and the magnetic switch is triggered to act through magnetic induction of the magnet and the magnetic switch; the stability and the reliability of the magnetic switch fire-fighting alarm button are improved, the service life is prolonged, the product function is effectively guaranteed when the button is applied to a daily environment, and the hidden danger and the risk of alarm failure when a fire occurs can be effectively avoided.

The invention discloses a refrigerator door-closing-not alarm control method. The method comprises the steps that the alarm duration T is preset; when it is judged that a person exists in front of the refrigerator door, the alarm duration is prolonged to be T + Delta; when it is judged that no person exists in front of the refrigerator door, the tightening alarm duration is Tmin; and after the refrigerator door is opened, if the duration exceeds the currently executed alarm duration, giving an alarm. Scenarized dynamic thresholds are achieved, human body existence and door body state two-dimensional threshold trigger logic is achieved, accurate recognition of abnormal scenes is improved through cooperation of multiple sensors, graded early warning and active intervention are achieved, alarm failure is avoided, the accuracy and timeliness of refrigerator door alarm are improved, and the method is suitable for being used for various refrigerator doors and has wide application prospects. The overall control logic is simple, and the operation reliability is high.

The present application relates to the field of alarm signal device, specifically to a highway multi-source vehicle collision risk prediction alarm method, receiving multi-vehicle trajectory time series data fused and generated by roadside multi-source sensing equipment; constructing a dynamic space-time topology with vehicles as nodes and vehicle distance and relative speed as edge weights; extracting space-time interaction features of vehicle groups by using space-time graph convolution network, and inputting the features into a non-cooperative game model to calculate the game equilibrium trajectory of each vehicle in the strategy space; calculating the space-time conflict degree of the multi-vehicle game trajectory in the prediction time domain, generating collision risk entropy based on the time integral of the space-time conflict degree; when the collision risk entropy exceeds the dynamic adaptive threshold, triggering the generation of a hierarchical alarm instruction carrying intervention priority and spatial orientation information and outputting. The present application overcomes the deviation caused by single vehicle prediction ignoring group game effect, realizes the quantification of multi-vehicle collision risk, solves the prediction lag and alarm failure problem in the strong interaction scene, and improves the system reliability.

The utility model belongs to the field of alarm, especially a kind of intelligent park safety management monitoring alarm, there is safety management monitoring device in the existing intelligent park, generally for the problem of monitoring environmental safety or logistics goods distribution, present and propose the following scheme, it includes bottom plate, the both sides of bottom plate are fixedly connected with the side plate for facilitating the installation fixed alarm, installation hole is set in two side plates, the upper of bottom plate is provided with monitoring mechanism for monitoring the water level of park rainwater, rainwater level can be monitored, when water level reaches danger line, staff can be prompted in time, also reduce the interference of natural environment to alarm, peppermint in expelling box can drive mouse and other small animals, reduce the possibility of alarm failure due to small animals damage, reduce maintenance cost.

The invention discloses a thermal power plant steam soot blower operation state monitoring system and method, and aims to solve the problems of alarm failure and untimely alarm in the prior art. In the system, an image acquisition unit is used for acquiring a motion state image of a steam soot blower body in real time; the temperature sensor is used for detecting the working temperature of the steam soot blower in real time; the image processing unit is connected with the image acquisition unit and is used for analyzing and calculating the real-time turning rate of the steam soot blower according to the motion state image; the control unit is used for calculating the target turning rate of the steam soot blower according to the working temperature of the steam soot blower and judging the jamming state of the steam soot blower according to the real-time turning rate and the target turning rate; and the alarm unit executes alarm operation according to the jamming state. Through an image acquisition mode, the trial steering rate is calculated according to the motion state image, the jamming state of the steam soot blower is accurately judged, and alarm operation is executed in time.

This invention relates to the field of emergency rescue, providing a multimodal perception and retry proactive alarm method, system, and device, including a fall detection module, a life-saving voice monitoring module, a situation judgment module, an alarm module, and an alarm retry module. This invention offers multi-dimensional proactive protection: integrating three major mechanisms—proactive detection, passive confirmation, and scenario fallback—overcoming the limitations of existing technologies with their single-function approach; differentiated response strategies: employing different alarm methods for different levels of inactivity, avoiding excessive disturbance to contacts while ensuring timely response in serious situations; multi-language scalability: the voice wake-up model supports future expansion to multiple languages ​​through model file updates; the pioneering automatic retry function after an alarm significantly improves the success rate of delivering distress messages, avoiding the risk of rescue delays due to a single alarm failure; low false alarm rate and high reliability: strong universality and low cost.

This invention relates to the field of shipborne overboard alarm systems, and discloses a shipborne overboard positioning and alarm system based on BeiDou GPS remote sensing. The system includes a remote sensing inventory unit, a ship attitude sensing unit, an exit sensor, and an alarm host. The alarm host cross-verifies the number of personnel observed and the ship's attitude to trigger an alarm. It also uses exit sensor signals to gate the absence of personnel and verifies the logical consistency between the expected number of personnel baseline and the measured data. This invention constructs a triple alarm logic of state verification, exit gating, and baseline consistency, shifting alarm triggering from reliance on individual cooperation to system platform monitoring. This solves the alarm failure problem in non-cooperative states and can distinguish between benign entry into the cabin and actual overboard incidents, avoiding systemic missed alarms due to configuration errors.

The present application relates to a kind of ventilation method for preventing indoor leakage gas accumulation, comprising the following steps: using a fan to the indoor space needing to prevent gas leakage is continuously ventilated without interruption;Wherein, the rated voltage of the fan is not greater than 24V;Compared with the discontinuous ventilation of existing technology when window is opened and naturally ventilated, when using alarm linkage fan forced ventilation, the fan has high power consumption, large size, high cost, high installation and maintenance cost, and there is the risk of linkage failure, the present application can ensure the continuity and stability of ventilation, can reliably prevent indoor leakage gas accumulation, avoid explosion, deflagration and other accident risks, and the fan has small power consumption, small size, low cost, low installation and maintenance cost, and no linkage failure risk caused by alarm failure.

The embodiment of the invention provides an alarm system, an alarm method, gateway equipment and sensor equipment, which are applied to the field of security and protection monitoring systems, and the situation of alarm failure caused by same-frequency interference generated by simultaneous active alarm of a plurality of sensors is reduced through a mode of acquiring alarm information by actively polling the sensors by a gateway, so that the alarm success rate is improved. In addition, when the alarm information generated by the sensor is the first alarm, the sensor uploads the alarm information in an active reporting mode, and the real-time performance of the first alarm can be improved.

The invention provides an electric power operation intelligent safety helmet integrated with an edge AI and an active protection system, and relates to the technical field of edge calculation and artificial intelligence, and the intelligent safety helmet comprises a helmet body, an edge AI calculation unit, a sensor array and an alarm module; and the edge AI calculation unit is used for executing local AI reasoning based on the data acquired by the sensor array so as to identify the power operation safety risk and trigger the alarm module to carry out local alarm. According to the invention, the complex AI model is adapted to the terminal equipment with limited computing resources, localized real-time identification and alarm of security risks are realized, the alarm failure risk caused by network delay or interruption is greatly reduced, and the instantaneity and reliability of protection are improved. Meanwhile, complex AI reasoning is sunk to the terminal, the data processing pressure of the cloud is relieved, and a foundation is laid for large-scale deployment.