14 results about "Delayed Alarm" patented technology

The invention relates to the technical field of fire-fighting alarm, and particularly discloses a sleep cabin fire-fighting alarm system based on smoke sensing-manual alarming double triggering. According to the invention, a smoke sensing and manual alarm double-trigger architecture is constructed, a timing window is started after a control module receives a primary alarm signal, and if a manual trigger signal is received within a preset time, the smoke detection sensitivity is adjusted from a first preset threshold value to a lower second preset threshold value for re-checking and confirmation; the problems that single smoke detection easily causes false alarm due to smoke dust interference and lacks manual confirmation links to cause missing alarm or delayed alarm of smoldering initial fire are solved, and the fire detection accuracy and the emergency response reliability of the sleep cabin are improved.

The invention discloses a lamp anti-theft positioning method and system based on a reader-writer-tag dual-channel handshake timeout mechanism and a storage medium, and solves the problems of metal shell shielding, high power consumption, no local deterrence, alarm delay and the like. The reader-writer periodically transmits a radio frequency command frame; the dual-mode electronic tag in the lamp and the 2.4 GHz active frame are subjected to conformal loopback response through a UHF passive reflection link; and if no response is received within 500 ms-2 s, handshake is judged to be overtime, and the rear end immediately reports'suspected theft 'and triggers the lamp body to give a stroboscopic alarm by using a 1-3 Hz white LED, so that'alarming once being taken away' is realized. The system is composed of a lamp end dual-mode tag and LED stroboscopic drive, a reader-writer end radio frequency transceiving and timeout timer and a rear end alarm upgrading and pushing module. A single reader-writer covers a 30-80 m area to complete area-level positioning. The plastic shell is provided with no hole, and IP67 protection is kept. The storage medium stores a program for implementing the method. The system is low in power consumption, easy to implement and suitable for mobile lighting anti-theft management of miner lamps, construction head lamps, storage forklift lamps and the like.

The invention discloses a marine temporary blind plate with a delayed alarm function. The marine temporary blind plate comprises a blind plate flange and a blind plate handle extending out of any position in the circumferential direction of the blind plate flange, and a plurality of bolt holes corresponding to flange holes of a pipeline flange are formed in the circumferential direction of the blind plate flange. A blind plate patch is attached to the temporary blind plate for the ship, an alarm mechanism is arranged in the blind plate patch, and the alarm mechanism is used for carrying out chemical reaction under the action of extrusion force generated when a pipeline flange is tightened so as to spontaneously generate current and giving an alarm after specific time so as to prompt to dismount the temporary blind plate for the ship. After the pipeline tightness test is finished, a worker can be reminded to dismantle the temporary blind plate in time, and the situation that the temporary blind plate is left at the pipeline butt joint position, normal use of follow-up pipelines is affected, and quality accidents are caused is avoided.

The application discloses a voltage stabilizer chip management system and method, electronic equipment and storage medium, and relates to the technical field of digital data processing, which can realize the monitoring of the voltage stabilizer chip through a management controller, the management controller can set two monitoring tasks, one is used for acquiring an alarm signal and positioning an abnormal chip, and the other can call information according to the abnormal chip positioning, so as to manage the voltage stabilizer chip, through more efficient alarm signal acquisition and hierarchical task design, the technical problems of rough abnormal chip positioning, delayed alarm signal acquisition, and the need for full data acquisition during diagnosis, which causes resource waste and other technical problems in the related art are solved, and the technical effects of efficiently and accurately positioning the abnormal chip and reasonably allocating resources to optimize the voltage stabilizer chip management are achieved.

The invention discloses a voltage stabilizer chip management system and method, electronic equipment and a storage medium, and relates to the technical field of electric digital data processing, the monitoring of a voltage stabilizer chip can be realized through a management controller, the management controller can set two monitoring tasks, one monitoring task is used for obtaining an alarm signal and positioning an abnormal chip, and the other monitoring task is used for obtaining an alarm signal and positioning an abnormal chip. And the other one can call information according to abnormal chip positioning so as to manage the chip of the voltage stabilizer, and through more efficient alarm signal acquisition and hierarchical task design, the technical problems of rough abnormal chip positioning, delayed alarm signal acquisition, full data acquisition required during diagnosis, resource waste and the like in related technologies are solved, and the diagnosis efficiency is improved. The technical effects of efficiently and accurately positioning the abnormal chip and reasonably allocating resources to optimize the chip management of the voltage stabilizer are achieved.

The utility model discloses a gas film access control alarm device which comprises a gas film bin body, an opening is formed in the gas film bin body, a rolling shaft is rotationally installed at the top of the opening, a door body is fixedly installed on the rolling shaft, an alarm box is fixedly installed on the gas film bin body, an alarm is arranged in the alarm box, and a gas film is arranged in the alarm box. A fixing plate is fixedly mounted in the alarm box, a mounting plate is arranged on the fixing plate, a fixing ring is fixedly mounted on the mounting plate, a driving spring is fixedly mounted in the fixing ring, a release mechanism is arranged in the alarm box, a linkage mechanism is arranged in the alarm box, and a trigger mechanism is arranged on the mounting plate. According to the utility model, additional installation steps are not needed, the whole operation process is simplified, the device can be quickly built and installed under the emergency condition, the emergency response efficiency is greatly improved, the delayed alarm function is realized through the rotation of the door body rolling shaft, a user can be reminded to close the door body in time, and adverse effects on the use of the gas film bin body are avoided.

The application relates to the field of time measurement, and discloses an intelligent watch for safety monitoring and alarming, which comprises a data acquisition and preprocessing module, a risk feature extraction module, an environment evaluation module, a dynamic risk fusion module, a predictive buffer alarm control module and an alarm execution module which are connected in sequence. The system collects physiological and environmental data of a user through multiple sensors, calculates risk factors in four dimensions of heart rate variability, motion contradiction, skin electric response and abnormal stillness, dynamically adjusts the fusion weight of each factor in combination with the real-time evaluated environmental risk level, and generates a comprehensive risk score. The alarm control module executes a hierarchical buffer alarm process including early warning, local delayed alarm and remote alarm according to the score and its short-term prediction value in combination with a dynamic threshold. Through multi-dimensional information fusion and environment adaptive decision, the application can more accurately distinguish physiological interference from real risks, reduces false alarms, and ensures timely response to real risks.

The invention discloses an environment temperature compensation sound-light alarm patch which comprises a self-reaction electric energy device and an alarm device. According to the invention, the alarm device can be started to give an alarm after a specific time, so that a worker is reminded to timely dismount the temporary blind plate after a pipeline tightness test is finished, and the temporary blind plate is prevented from being left at a pipeline butt joint to influence the normal use of subsequent pipelines and cause quality accidents; a temperature compensation alarm circuit is arranged on the alarm device, and the temperature compensation alarm circuit is used for compensating the actual output voltage of the self-reaction electric energy device, so that the influence of the temperature environment on the electrolyte reaction of the self-reaction electric energy device is avoided, and the influence on the starting potential of the audible and visual alarm is avoided; and the accuracy of the delayed alarm time of the audible and visual alarm is effectively ensured.

The invention discloses a redundant link protection potential error detection optimization method and a redundant link protection potential error detection optimization device, according to the method, by optimizing a LatentErrorTest and an algorithm function of a LatentErrorReset in an 802.1 CB protocol, an abnormal alarm can still be completed immediately under the condition that the time arrangement of the LatentErrorTest and the LatentErrorReset is not good, and the abnormal alarm can be completed without two LatentErrorTest periods. When 802.1 CB redundancy protection equipment is used, through algorithm optimization of the invention, when link abnormity is generated under some special conditions, a user can be prompted to complete link abnormity detection by interrupting an alarm to a CPU immediately, so that delayed alarm caused by previous algorithm defects is avoided.

This invention discloses a method, computer equipment, and storage medium for identifying and handling billet incomplete cutting anomalies. The method includes: S1, if all relevant parameters of the continuous casting production process meet the corresponding preset conditions, proceed to S2; S2, if no billet cutting completion signal is received, proceed to S3; if a billet cutting completion signal is received, proceed to S4; S3, if Tc ≥ S*L0 / Va, output a delayed alarm signal; S4, if the roller speed Rv ≤ 0, output a fault alarm signal; if Rv > 0, proceed to S5; S5, if T - T0 ≥ Tn, proceed to S6; S6, if no photoelectric switch signal is received, proceed to S7; S7, send a pop-up action command to the human-machine interface component; responding to the selected speed reduction option, such as if the current casting speed is greater than the minimum process casting speed, reduce the current casting speed to the preset minimum process casting speed at a preset speed reduction rate. This invention ensures the accuracy of billet incomplete cutting anomaly identification; when a billet incomplete cutting anomaly occurs, it can automatically enter the handling procedure.

This invention discloses a safety control method and system for hydrogen refueling stations. The method includes: acquiring weather information and hydrogen concentration at the refueling station in real time; determining a hydrogen concentration alarm threshold based on the weather information; comparing the hydrogen concentration alarm threshold with the hydrogen concentration at the refueling station to determine in real time whether there is a hydrogen leak at the refueling station; and issuing an alarm when a hydrogen leak is detected. This method can determine whether there is a leak based on a hydrogen concentration alarm threshold that matches actual weather conditions, thereby avoiding false alarms due to excessively low alarm thresholds and delayed alarms due to excessively high alarm thresholds.

The invention discloses an environment temperature compensation alarm device for a temporary blind plate dismounting missing prevention device for a ship. The environment temperature compensation alarm device comprises a self-reaction electric energy device and an alarm device. According to the invention, the alarm device can be started to give an alarm after a specific time, so that a worker is reminded to timely dismount the temporary blind plate after a pipeline tightness test is finished, and the temporary blind plate is prevented from being left at a pipeline butt joint to influence the normal use of subsequent pipelines and cause quality accidents; a temperature compensation alarm circuit is arranged on the alarm device, and the temperature compensation alarm circuit is used for compensating the actual output voltage of the self-reaction electric energy device, so that the influence of the temperature environment on the electrolyte reaction of the self-reaction electric energy device is avoided, and the influence on the starting potential of the audible and visual alarm is avoided; and the accuracy of the delayed alarm time of the audible and visual alarm is effectively ensured.

This invention discloses an early warning device for disaster prevention and mitigation monitoring, relating to the field of meteorological early warning technology. It includes: a support frame for fixing to a slope; a displacement sensor fixedly installed at the bottom of the support frame, comprising a primary detection module and a primary communication module; a measuring cup fixedly installed on the inner wall of the support frame; a water level sensor fixedly penetrating the inner and outer walls of the measuring cup, comprising a secondary detection module and a secondary communication module; a mounting frame fixedly installed inside the measuring cup; and a lifting plate slidably penetrating the bottom of the mounting frame. The lifting plate dynamically adjusts the drainage volume, with the water level rise rate positively correlated with rainfall intensity, effectively shortening the alarm time and preventing delayed alarms during tunnel construction caused by fixed drainage holes.