13 results about "Alarm Failure" patented technology

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.

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 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 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.

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.