44results about How to "Timely detection of abnormal conditions" patented technology

The invention discloses a monitoring device and a monitoring method for the current capacity of a maritime platform cable. The monitoring device comprises a power distribution cabinet, an optical-fiber grating demodulation monitoring system, a current acquisition device, transmission and relay equipment and a temperature sensor, wherein the current acquisition device is connected with the power distribution cabinet to be used for transmitting the current which is collected by the current acquisition device into the transmission and relay equipment, and an electrical signal is converted into a light signal through the transmission and relay equipment; the temperature sensor is laid on the surface of a cable, and tail fibers of the temperature sensor are gathered into an optical fiber distribution box to be connected into the optical-fiber grating demodulation monitoring system by the optical fiber distribution box through an optical cable. The monitoring method adopts the following steps of 1, collecting real-time current; 2, collecting real-time temperature; 3, carrying out calculation on the temperature and the current capacity of a conductive wire core; 4, carrying out judgment on monitoring data. According to the monitoring device and the monitoring method, dispatch and adjustment on the load of the cable can be carried out, safety in operation of the cable is guaranteed, the problem of power supply in an emergency status is solved, and reasonable utilization of the cable is realized.

The invention discloses a workshop resource sensing and positioning system based on a wireless pulse. The system comprises a plurality of positioning tags, at least three positioning base stations used for emitting the wireless pulse to position the positioning tags, and a controller, wherein the plurality of positioning tags are separately installed on workshop personnel and equipment; the positioning base stations are installed in a workshop; the positioning tags are all wirelessly connected with all positioning base stations; and the positioning base stations are in wired connection with the controller. The system is reasonable in design and convenient in operation, can aim at safety management requirements in the workshop to realize real-time identification and positioning management of workshop resources through the application of the wireless pulse, so that exceptional situations in the workshop can be found in time, a safety production management level is improved, and working efficiency is improved.

The invention discloses a website content monitoring and automatic response protection method based on an intelligent analysis technology, and relates to the technical field of electronic data processing, the method comprises the following steps: detecting attacked behaviors of a protected website, wherein the monitoring comprises web log detection and webshell detection for internet applicationsin a target company; carrying out tampering detection on the website content, the text content and the newly-added page; and establishing a corresponding emergency scene according to different attacked behaviors of the protected website, and when any condition of the attacked behaviors is monitored, automatically responding to the corresponding emergency scene. According to the invention, the problem of insufficient professional safety analysis capability of operation and maintenance personnel is solved, and evidence obtaining and after-event tracing of safety events are assisted.

The invention provides an ETC portal system state online monitoring method and system, and the method comprises the steps: building connection with an ETC portal system; sending an acquisition instruction to the ETC portal system; acquiring ETC portal system state operation information; transmitting the operation information to a server; performing data analysis on the operation information to obtain a state analysis result; storing the state analysis result and the running information in a matching manner; and displaying characters in real time and pushing an alarm signal according to a stateanalysis result. The system comprises modules corresponding to the steps of the method. According to the ETC portal system state online monitoring method and system provided by the invention, the problem of economic loss or road danger caused by untimely fault discovery of the ETC portal system can be solved.

The invention relates to a water insulation pipe filling valve with a structure and running state self-detection function. The water insulation pipe filling valve comprises a water insulation pipe body, a water insulation pipe cabin door, a drive oil cylinder, a balance valve, a main control valve, a lock valve, a changeover valve, an energy storage device, travel sensors, a pressure sensor, an ultrasonic flaw detection device and a detection control device. The main control valve, the lock valve, the changeover valve, the energy storage device and the detection control device are all arranged on the outer surface of the water insulation pipe body, the water insulation pipe cabin door is in sliding connection with the water insulation pipe body, the balance valve is additionally embedded in the water insulation pipe body, and the detection control device comprises a data processing circuit, a drive circuit and a communication circuit. The running state of the water insulation pipe filling valve can be effectively monitored, structure detection can be carried out on the mechanical structure and parts of the water insulation pipe filling valve, and therefore the running monitor capacity to the water insulation pipe filling valve can be improved, hidden fault danger existing in the water insulation pipe filling valve can be found in time, and the running stability and reliability of the water insulation pipe filling valve are improved.

The invention discloses a comprehensive performance measurement and control system of a lifter. The lift comprises a measurement and control terminal, a monitoring system and a control system, whereinthe monitoring system and the control system are in signal butt joint with the measurement and control terminal correspondingly, the control system comprises an uplink and downlink control unit, a lifter car door control unit, an emergency stop control unit, a maintenance control unit and a landing door switch control unit, wherein the monitoring system comprises a stress monitoring unit, a wirerope state monitoring unit, a landing door monitoring unit, a current voltage monitoring unit and a car running state monitoring unit. When the comprehensive performance measurement and control systemof the lift is applied, the comprehensive running state and performance of the lifter can be detected in real time, so that the daily management, the periodic inspection and the performance evaluation of the lifter are facilitated, the abnormal situation in the running process of the lifter can be found in time, and the safe and stable operation of the lifter can be guaranteed.

The invention discloses a liquid-cooling speed-regulating magnetic clutch for a ship, and relates to a magnetic clutch. The problems that an existing water-cooled magnetic clutch is poor in compensation performance, poor in vibration reduction performance and large in axial occupied space during non-contact torque transmission are solved. The cover shell is fixed to the side wall of a supporting plate, the permanent magnet disc assembly and the conductor disc assembly are both arranged in the cover shell, the permanent magnet disc assembly is arranged in the conductor disc assembly, the transmission shaft penetrates through the center of the support and enters the cover shell, the transmission shaft is sleeved with one permanent magnet disc, and the transmission shaft between an inner ringof the support and the transmission shaft is sleeved with a supporting bearing. A sleeve is connected to an inner ring of the support, the supporting bearing is installed between the transmission shaft and the sleeve, an air gap adjusting mechanism is used for adjusting an air gap between the permanent magnet disc assembly and the conductor disc assembly to achieve separation and reunion and adjust the rotating speed of the load end, and the inner wall of one supporting plate and the outer wall of the shell are each provided with at least one cooling mechanism. The cooling mechanism is used for cooling the two conductor discs. The liquid-cooling speed-regulating magnetic clutch is used for giving full play to the compensation and vibration isolation performance of magnetic transmission.

The invention belongs to the technical field of facility maintenance, and discloses a method and system for maintaining facilities in a biosafety laboratory. The system for maintaining the facilities in the biosafety laboratory comprises a facility monitoring module, a monitoring data processing module, a central control module, a facility maintenance management classification module, a ventilation module, a disinfection and sterilization module, a water supply, drainage and gas supply module, a power supply module, a data storage module and an update display module. According to the method for maintaining the facilities in the biosafety laboratory, the identity, the operation qualification and the operation process of facility maintenance personnel are monitored and controlled in the whole process, and the maintenance personnel, especially advanced professionals, only need to be subjected to technical support on a platform and do not need to go to a work site, so that the maintenance time is shortened, and the operation cost is saved. Meanwhile, an abnormal state can be found in time, and information can be conveniently transmitted and processed in time through informatization management of repair reporting conditions.

The invention relates to a web crawler monitoring method and device, computer equipment and a storage medium. The method comprises steps of obtaining latest data in a data table corresponding to eachweb crawler from a database according to a preset frequency; wherein the latest data comprises a storage time point of the latest data; determining the storage duration of the latest data according tothe current time point and the storage time point of the latest data; when the warehousing duration is greater than or equal to the crawling interval corresponding to the web crawler, judging that the running state of the web crawler is abnormal; and when the operation condition of the web crawler is abnormal, carrying out abnormal alarm. By adopting the method, monitoring efficiency can be improved.

The invention provides a high-security generator set cloud control system. The high-security generator set cloud control system comprises a generator controller, a data encryption module, an equipment authentication access system, a cloud server, a web service system and a monitoring terminal, the equipment authentication access system is used for carrying out identity authentication on the generator controller; the data encryption module is used for encrypting communication between the cloud server and the generator controller; the generator controller is used for acquiring operation information of a generator set and sending the operation information to the cloud server; the cloud server is also used for storing the operation information; the monitoring terminal is used for acquiring the operation information from the server and sending a control instruction to the generator controller by a worker, and the web service system is also used for providing a background management service for the cloud server. According to the invention, remote real-time monitoring of the state of the generator set is realized, and the abnormal state of the generator set can be found in time.

The invention relates to a fault monitoring method based on hierarchical density peak clustering and the most similar mode. The historical normal data of an industrial process are modally divided to acquire hierarchical modal information. The hierarchical modal information is used to establish a fault monitoring model for the historical normal data of the industrial process. The most similar modeof the industrial process data to be monitored is acquired and input into the fault monitoring model for fault monitoring. According to the invention, existing industrial data resources are used; multimodality and multimodal dynamics and uncertainty of a complex industrial process are considered; the limitations of relying on priori modal information and using fixed modal dividing and models of the existing multimodal fault monitoring method are overcome; and the method is important for timely detecting abnormal conditions in the industrial process, ensuring production safety and improving product quality.

The invention belongs to the technical field of power systems, and discloses a multi-source data-based safety automatic device sampling inspection method and device, and the method comprises the steps that a remote management system obtains primary equipment information with time scales collected by safety automatic devices of a plurality of substations; the remote management system obtains the primary equipment information with the time scale collected by other remote management systems; and the remote management system groups the collected primary equipment information with the time scales from different sources, compares the primary equipment information in different groups, and obtains the operation condition of the primary equipment according to the comparison result. The method has the beneficial effects that the multi-source primary equipment information is acquired, the operation condition of the primary equipment is monitored in real time from multiple dimensions, the abnormal operation condition of the primary equipment can be found in time, and the safe operation of a power grid is prevented from being influenced by equipment faults.

The invention discloses a new energy automobile motor health detection control system comprising a main chip module, an electromagnetic compatibility, a pressure bridge circuit driving circuit, a power supply, a pressure signal conditioning circuit, an RS422 output circuit, a temperature signal conditioning circuit, a vibration signal conversion circuit and a rotating speed signal conditioning circuit; the system is used for monitoring rotating machinery conditions, monitoring pressure, temperature, vibration and rotating speed signals at the same time and outputting the signals in an RS422 mode after being processed, the vibration signals and the temperature signals are used as main signals, single-shaft vibration is achieved, the units are arranged on the top of a motor, the vibration signals of motor rotation are measured in real time, and when the transverse displacement speed of motor vibration is larger than a fixed speed threshold value or the internal temperature, collected by four temperature sensors, of the motor is higher than a set threshold value, a main chip sends an alarm instruction; and the system has the advantages of high precision, strong anti-interference capability, good applicability and wide application prospect.

A monitoring device and monitoring method for the current carrying capacity of an offshore platform cable, comprising: a power distribution cabinet, a fiber grating demodulation monitoring system, a current collection device, a transmission relay device, and a temperature sensor, wherein the current collection device is connected to the power distribution cabinet, The current collected by the current collection device is transmitted to the transmission relay equipment, and the transmission relay equipment converts the electrical signal into an optical signal; the temperature sensor is arranged on the surface of the cable, and the pigtail of the temperature sensor is collected into the optical fiber junction box In it, the optical fiber distribution box is connected to the fiber grating demodulation monitoring system through the optical cable. The monitoring method adopts the following steps: 1. Real-time current collection; 2. Temperature collection; 3. Conducting wire core temperature and ampacity calculation; and then discriminating monitoring data. The invention can dispatch and adjust the load of the cable, ensures the safe operation of the cable, solves the problem of power supply in an emergency, and realizes the rational utilization of the cable.

This application relates to a monitoring method, device, equipment and storage medium for ship power equipment, relates to the technical field of ship monitoring, and aims to solve the problem that the main engine of a ship can only obtain the state parameters of the power equipment during driving, and cannot predict the fuel consumption of the power equipment in real time The method includes: establishing an initial model of fuel consumption; taking the power parameters of the power equipment in the past voyages, the environmental parameters of the ship, and the actual fuel consumption of the ship; taking the power parameters and environmental parameters of the past voyages as input, and the actual fuel consumption as output , train the initial model of fuel consumption in a deep learning manner to obtain a fuel consumption prediction model; regularly obtain the power parameters of the power equipment in the target voyage segment and the environmental parameters of the ship; and the environmental parameters are input into the fuel consumption prediction model to obtain the predicted average value of the fuel consumption of the target flight segment. The present application has the effect of being able to predict the fuel consumption of ships.