Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

316 results about "Safety Interlock" patented technology

An interlock is a feature that makes the state of two mechanisms or functions mutually dependent. ... a safety interlock is often employed. The interlock consists of one or more switches that prevent both main power and generator power from powering the dwelling simultaneously.

Boiler combustion multi-objective collaborative optimization control method and system

The invention relates to the technical field of boiler combustion control, in particular to a boiler combustion multi-target collaborative optimization control method and system. The method comprises the following steps: firstly, acquiring coal quality parameters in real time through a laser-induced breakdown spectrum analyzer, carrying out qualitative and quantitative analysis on spectral data by utilizing a machine learning algorithm, constructing a boiler combustion digital twinborn model fusing a combustion mechanism model and a data driving model, and predicting combustion characteristics, NOx generation trends and coking risks under different blending schemes; and then, dynamically generating an optimization instruction combination according to a prediction result of the digital twinborn model, establishing a safety interlocking mechanism while executing the optimization instruction, and automatically switching to a manual control mode when detecting that the working condition fluctuates severely or the model prediction deviation exceeds a preset threshold value. According to the method, the problems of coal quality information lag and untimely combustion adjustment caused by traditional manual sampling are effectively solved, and the economical efficiency, the safety and the environmental protection property of boiler operation are improved.
Owner:HUANENG POWER INT ENERGY DEV CO LTD

Valve state monitoring and safety interlocking method and system based on machine vision

ActiveCN121259753AValve arrangementsImage analysisPhysical securityAccident avoidance
The invention discloses a valve state monitoring and safety interlocking method based on machine vision, and belongs to the technical field of industrial process control and safety. The method comprises the following steps: 1, calibrating a camera and establishing a model; step 2, image acquisition and preprocessing; step 3, key image feature extraction and state decision; fourthly, opening degree calculation and state judgment are carried out; 5, safety interlocking is triggered; and 6, feeding back data. The valve state monitoring and safety interlocking method is achieved through the valve state monitoring and safety interlocking system. According to the invention, the millimeter-level or even submillimeter-level displacement and angle real-time accurate measurement of the opening degree of the valve can be realized, the state monitoring of the valve is realized, and the stability and reliability in the production process are improved; state judgment is carried out by comparing the real-time opening value with the instruction opening from the control system, a safety interlocking signal is generated and transmitted to the safety interlocking system, and finally physical safety action is triggered, so that a set of complete safety protection system is realized, and accidents are avoided.
Owner:DALIAN UNIV OF TECH

New energy equipment virtual maintenance system and method supporting fault drilling

The invention relates to the technical field of new energy electric power construction and operation and maintenance, in particular to a new energy equipment virtual maintenance system and method supporting fault drilling. The system comprises five core modules: an asset and twinning modeling module constructs an electrical-mechanical-thermal multi-physics field coupling digital twinning model of a wind generating set, a photovoltaic inverter and an energy storage battery cluster, and drives a fault drilling engine; the fault drilling engine triggers a fault scene based on preset event-condition-action logic and a job ticket operation state, and activates a fault evolution chain through violation operation; the job ticket and process arrangement module simulates the whole maintenance process and checks security constraints in real time; the safety interlocking and protection simulation module verifies the operation in real time according to the relay protection constant value, triggers a protection action during violation and feeds back the protection action to the fault engine; and the virtual-real fusion interaction module synchronizes a virtual instruction to an engine and an external device through a communication protocol, so that the consistency of virtual-real operation and protection action is ensured, and co-simulation and security verification of the whole system are realized.
Owner:XIAN THERMAL POWER RES INST CO LTD +1

Double-channel industrial furnace gas combustion safety interlocking control system

PendingCN121957239AReduced risk of poppingreduce carbon depositionSimultaneous control of multiple variablesReal time analysisHuman–machine interface
The invention belongs to the technical field of industrial combustion safety control, and provides a double-channel industrial furnace gas combustion safety interlocking control system which comprises a gas / air flow ratio dynamic monitoring module, a flue CO concentration online detection module, a double-channel data conflict arbitration processor and a visual human-computer interface. Aiming at the prominent problems of incomplete combustion of coal gas, carbon deposition, detonation risk and the like which are easy to occur under the working condition of accelerated temperature rise, the system integrates visual double-insurance safety control of dynamic calculation of a flow ratio and real-time analysis of tail gas components, and all-directional safety protection in the combustion process is realized through a multi-parameter cooperative monitoring and intelligent interlocking mechanism; the detonation risk is obviously reduced; meanwhile, the air-fuel ratio fluctuation is accurately controlled within the range of + / -5%, and the carbon deposition phenomenon is effectively reduced; and remarkable economic benefits are created while reliable operation of equipment is guaranteed.
Owner:SHANXI TAIGANG STAINLESS STEEL CO LTD

Wind turbine generator intelligent maintenance system combined with component residual life evaluation

The invention belongs to the technical field of wind power operation and maintenance, and discloses a wind turbine generator intelligent maintenance system combined with component residual life evaluation, which comprises a sensing edge layer, a station cooperation layer, a cloud intelligent center, an execution and safety interlocking layer and a credible evidence storage layer. The system collects unit operation and environment data through the edge layer, gathers the data through the station cooperation layer, inputs the data into the cloud intelligent center for multi-domain degradation modeling and life prediction, and determines a maintenance window and a resource scheduling scheme based on a comprehensive cost optimization model. The cloud center realizes cross-station model sharing and self-learning through a federated learning mechanism, the execution layer completes maintenance tasks and safety locking control, and the trusted evidence storage layer performs block chain abstract evidence storage on key data. According to the system, health state evaluation, intelligent maintenance decision making and whole-process credible tracing of the wind turbine generator are realized, and the operation and maintenance safety and economy are improved.
Owner:XIAN THERMAL POWER RES INST CO LTD +1

Safety interlocking system of formula warehouse stacking machine and using method of safety interlocking system

The invention discloses a safety interlocking system of a formula warehouse stocker and a use method thereof, and belongs to the technical field of warehouse equipment safety, and the safety interlocking system comprises a safety state monitoring module which is used for monitoring safety state information in a stocker roadway in real time; the control module is in communication connection with the safety state monitoring module and is used for receiving and processing the safety state information and generating a control instruction according to preset safety logic; the brake execution module is arranged on the stacking machine, is in signal connection with the control module and is used for receiving the control instruction and executing corresponding speed reduction or brake operation on the stacking machine; and the man-machine interaction and alarm module is in communication connection with the control module and is used for displaying the system state, giving an alarm prompt and receiving a manual instruction. According to the invention, the risk of mechanical injury when personnel enter the roadway is effectively avoided, and the automatic safety level and the overall reliability of the operation of the stacker in the formula warehouse are remarkably improved.
Owner:CHINA TOBACCO SHANDONG IND

Intelligent flour production line safety supervision system based on cloud platform

The invention relates to the technical field of flour production line safety supervision, in particular to an intelligent flour production line safety supervision system based on a cloud platform. The system comprises a data acquisition module, a risk assessment module, a decision module and an execution and repair module. The system calculates an instantaneous physical risk by acquiring production line sensor data and an HMI operation log; the core of the method is that trust deficit of an operator is quantified based on an HMI operation log, and the bypass probability of safety interlocking is predicted according to the trust deficit; when the instantaneous physical risk exceeds a preset threshold value, the system executes a final action according to whether the trust deficit exceeds the threshold value or not; according to the method, the operator trust state is evaluated, and the problem of systematicness failure caused by the fact that a traditional system neglects the consideration of human factors and is easily bypassed is solved.
Owner:SHIJIAZHUANG GAOCHENG LIFENG FLOUR IND CO LTD

Electrician practical training identification device with intelligent switching control

The invention discloses an intelligent switching control electrician practical training identification device, which belongs to the technical field of electrical detection and comprises a practical training platform, an operation panel, an electrical carrier plate and a built-in PLC (Programmable Logic Controller), the system integrates power input, a first conversion unit composed of a first isolation transformer and a first contactor, a second conversion unit composed of a second isolation transformer and a second contactor, a control unit, a data storage module, an operation input unit, a feedback unit and a load output unit. A dual-safety interlocking structure combining software interlocking and contactor hardware interlocking is realized through a PLC, and two paths of power outputs cannot be switched on at the same time. The device has the functions of intelligent mode switching, real-time voltage monitoring, fusing and sudden stop dual protection, operation state feedback and practical training data storage, meets industrial-grade and safety-grade practical training requirements, is compact in structure and high in safety, supports closed-loop control and data tracing, and is suitable for modern electrician skill training and intelligent examination and identification.
Owner:CHANGSHAN COUNTY VOCATIONAL SECONDARY SCHOOL

A cross arm production process

PendingCN122100580APress ramHydraulic cylinderMetal lattice
The present application relates to the technical field of power hardware processing and manufacturing, and particularly relates to a cross arm production process. The process comprises: after a fluid-incompressible pressure-maintaining rigid boundary is constructed by pressing a main hydraulic cylinder, starting a microseismic device to directionally inject high-frequency mechanical microseismic kinetic energy into the cross arm; synchronously extracting a back pressure feedback value in a sealed loop and monitoring a dynamic attenuation slope thereof in real time; when the slope is detected to be flat and to be in an attenuation stagnation of internal stress release, under a timing safety interlock protection mechanism for executing confirmation of mechanical wave calming, triggering a high-frequency electrically-controlled proportional overflow valve to execute millisecond-level transient micro-pressure relief and extremely fast pressure reconstruction, so as to provide a transient volume yielding space for metal lattice rearrangement; and finally completing final state confirmation when the absolute value of the back pressure is stabilized at a zero rebound threshold. The present application can solve or at least alleviate the secondary rebound problem caused by lattice distortion residual strain energy accumulation in the forming of thick-walled metal components, and improve the production quality of the cross arm.
Owner:ZHEJIANG XIANGLI POWER EQUIP CO LTD

Electrical submersible pumping system with a ride through power supply having a safety interlock

A well system includes an electrical submersible pumping (“ESP”) assembly, a variable speed drive, and a ride through system. The ESP assembly includes a pump for lifting liquid from inside the well and an electric motor for powering the pump. The variable speed drive is outside the well and controls delivery of electricity from a power source to the motor. The ride through system provides backup electricity if there is an interruption of electricity from the power source. The ride through system includes a bank of power modules having stored electrical power. The modules are connected in series and have a combined electrical potential adequate for powering the motor. By selectively disconnecting adjacent modules from one another, the electrical potential from the bank of power modules is reduced to a magnitude that is not hazardous for personnel.
Owner:BAKER HUGHES OILFIELD OPERATIONS LLC

Heat value adjusting device of gas generator set

The heat value allocation device comprises at least two gas source pipelines with different heat values, and each pipeline is provided with an adjusting valve and a flow meter; the efficient dynamic mixer is used for receiving the fuel gas from each gas source pipeline and fully mixing the fuel gas; the real-time monitoring system comprises an on-line calorific value analyzer and a densimeter which are arranged on an outlet pipeline of the mixer; the intelligent control system is used for receiving signals of the flowmeter, the calorific value analyzer and the densitometer and outputting control signals to the regulating valves of the pipelines; the invention discloses a safety interlocking system. The system and the method have the beneficial effects that online, real-time and accurate allocation is realized, the stability of fuel of the gas generator set is ensured, the power generation efficiency and the operation reliability are improved, and the adaptability of the set to different gas sources is enhanced.
Owner:华能海南发电股份有限公司南山电厂

Safety interlocking device for vaporization of low-temperature liquid oxygen, liquid nitrogen and liquid argon

The utility model discloses a safety interlocking device for vaporization of low-temperature liquid oxygen, liquid nitrogen and liquid argon, and relates to the technical field of vaporization equipment. The device comprises a vaporizing tank, a DCS (Distributed Control System), a buffer pressure tank and an exhaust pipeline, wherein a material coil pipe and a steam coil pipe are arranged in the vaporizing tank; a water bath layer is arranged in the vaporizing tank; a steam inlet pipe connected with the steam coil pipe is arranged at the top of the vaporizing tank, a steam regulating valve is arranged on the steam inlet pipe, and a material inlet pipe connected with the material coil pipe is arranged at the bottom of the vaporizing tank. According to the utility model, through the design of the DCS control system, the steam regulating valve, the liquid pump, the liquid level sensor, the in-tank temperature sensor and the pipe body temperature sensor are connected with the DCS control system, when the temperature sensors detect temperature deviation, timely and safe interlocking control can be realized; safety accidents caused by pipeline leakage in the vaporization tank can be monitored, and the safety of vaporization equipment is greatly improved.
Owner:JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO LTD

Multi-sensor information fusion mechanical equipment safety interlock control method

The application discloses a mechanical equipment safety interlock control method based on multi-sensor information fusion. The method collects the motion position, speed, acceleration, force and torque data of the mechanical equipment, and performs time alignment, amplitude normalization and short-time abnormality filtering, estimates the kinetic energy, potential energy and friction energy consumption of each energy node, and constructs an energy transmission matrix between nodes; fusion sensor data and matrix information extracts four types of abnormal characteristics of short-term energy surge, local energy reflection, friction energy abnormal fluctuation and energy accumulation accompanied by micro-vibration, and predicts dangerous energy states including single and complex dangerous energy states accordingly; based on the prediction of dangerous energy state and the current running state of the equipment, the safety interlock action is adaptively triggered, the driver torque, current amplitude limiting and active damping are dynamically adjusted, and the control of backflow energy and accumulated energy along the virtual dissipation path is realized. The method is suitable for high dynamic mechanical equipment and can realize fine safety interlock control of multiple nodes and multiple abnormal characteristics.
Owner:FOSHAN WEINIAN SAFETY MANAGEMENT SERVICE CO LTD

Electric jack with detachable remote control

A handheld electric jack includes a motorized screw drive mechanism housed within a cylindrical tool body, an actuating platform configured for linear motion, and a detachable control module operable in both docked and remote modes. The control module communicates wirelessly with the tool body and includes user interface elements for initiating lifting or lowering operations. The tool features safety interlocks, including dual-input activation, stall detection, and automatic shutoff. Load sensors and internal controllers enable responsive motor control based on sensor feedback. In some embodiments, multiple jacks wirelessly coordinate to perform synchronized lifting, monitor total load distribution, and respond to failure conditions. The modular platform accepts interchangeable lifting heads, and the system may be configured to operate autonomously or via user commands. This design improves safety, portability, and flexibility in construction, maintenance, and material handling applications.
Owner:NEBULA INNOVATIONS LLC

Generator test platform

The invention relates to the technical field of generator testing, and discloses a generator testing platform which comprises a testing platform body, a generator to be tested is detachably installed on the top of the testing platform body, and a frequency converter adjusting motor and the generator to be tested are covered with a protection assembly. A lifting assembly used for driving the protection assembly to ascend and descend is arranged above the protection assembly. A downward pressing lug plate is fixed to the side portion of the protective cover, and a control button is arranged above the downward pressing lug plate. According to the invention, by arranging the liftable closed protective cover, the generator to be tested and the frequency converter adjusting motor can be covered during testing, so that the problem of personal injury or equipment damage easily caused by the risk of breakage and splashing of the transmission belt is avoided; and hard safety interlocking that equipment cannot be started when protection is not in place is realized through a downward pressing lug plate and a control button, so that the physical injury risk of a rotating part to an operator is thoroughly eliminated, and the safety standard of modern machinery is met.
Owner:SCHARF MINING MACHINERY XUZHOU

Vehicle safety interlocking device based on angle sensing and control method thereof

The invention relates to a vehicle safety interlocking device based on angle sensing and a control method thereof, the vehicle safety interlocking device is used for being installed on a handle rod, the handle rod is of a split structure and comprises a base and a rotating seat, and the base and the rotating seat are rotationally connected through a rotating shaft; the vehicle safety interlocking device comprises an induction gear, a driving gear and an absolute value encoder, the induction gear is used for being installed on the base, the driving gear is used for being installed on the rotating seat, the driving gear and the induction gear are meshed and matched, and the absolute value encoder is used for being installed on the side edge of the driving gear and linked with the handle rod. When the handle rod is pressed downwards, the driving gear is driven to rotate around the induction gear so as to trigger the absolute value encoder. The safety interlocking device is ingenious in structure, and different semaphores can be fed back under different handle pressing angles through an electric appliance structure linked with the handle structure, so that the accuracy of man-machine operation can be improved through different pressing angles, and the use experience is improved.
Owner:NOBLEELEVATOR INTELLIGENT EQUIP CO LTD

A synergic control system and method

The application discloses a kind of synergic control system and method, it is related to industrial automation control field.The system includes workpiece processing equipment, robot, safety detection unit and controller.Controller is connected with workpiece processing equipment, robot and safety detection unit respectively, obtains and stores preset process parameters, according to this, determine timing control program, define the execution order and interlock condition between robot operation action and processing forming action.Controller sends control instruction containing process parameter to robot and processing equipment according to timing program, cooperates to complete automation processing cycle, while unifiedly executes safety interlock operation based on the safety state signal feedback of safety detection unit.The application solves the problem of poor action cooperation and incomplete safety interlock caused by discrete control by centralized scheduling and global safety interlock of single controller, realizes high-precision cooperative operation and intrinsic safety.
Owner:QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1

A safety interlocking system for infrared laser long-distance wireless charging

PendingCN122437281AAchieve all-round intrinsic safety protectionEliminate spatial blind spotsHemt circuitsPhotodiode
The present application relates to the technical field of wireless charging, and particularly relates to a safety interlocking system for infrared laser long-distance wireless charging; through cooperation of spatial distribution of multiple photodiodes and hardware structure, when the light path is invaded by foreign matters, the control circuit can quickly cut off the high-power laser output, and the three-dimensional layout eliminates the spatial blind area of single-point detection, the polarization discrimination element in the transmitting end device and the phase delay element in the receiving end device are combined to construct an optical encryption closed loop, only the light received by the sensor after being inversely reflected to the receiving end rotatable polarization state is allowed, the in-phase polarized light reflected by ordinary mirror foreign matters is effectively blocked, the risk of mirror deception reflection attack in the high-power scene is greatly reduced, and through the pure hardware phase-locked loop frequency decoding circuit, only the reflected light output logic level carrying the preset modulation frequency is output, direct current and low-frequency interference of sunlight and illumination light sources are filtered from the physical layer.
Owner:HEFEI XINGUANG POWER TECHNOLOGY CO LTD

Pipeline loading and unloading pressure safety interlocking device

ActiveCN223985071UPipeline systemsStructural engineeringAccident avoidance
The utility model relates to the technical field of pipeline loading and unloading, and discloses a loading and unloading pipeline pressure safety interlocking device which comprises a loading yard quantitative loading controller, and further comprises an alarm piece, a monitoring piece and an emergency stop piece which are arranged on the outer side of the loading yard quantitative loading controller. The static oil spilling device, the gas phase pressure transmitter, the liquid phase pressure transmitter, the vortex shedding flowmeter and the mass flowmeter are arranged on the outer side of the quantitative loading controller of the loading yard. According to the utility model, parameters such as pressure, temperature, flow and the like of a pipeline can be monitored in real time through the cooperative use of the quantitative loading controller of the loading yard, the alarm piece, the monitoring piece and the emergency stop piece; abnormal conditions can be found in time, and accidents such as pipeline breakage caused by abnormal pressure are avoided; when an abnormal condition is monitored, an alarm can be triggered automatically, accidents are avoided, meanwhile, equipment such as a valve and a pump of a pipeline can be controlled automatically, danger caused by the abnormal condition is prevented, and the safety of loading and unloading operation is improved.
Owner:WEIHUA (RUDONG) TRADING CO LTD

BNCT treatment room safety interlocking system

The utility model provides a BNCT treatment room safety interlocking system, and relates to the technical field of BNCT treatment. The safety interlocking system can effectively overcome the false alarm defect of a safety interlocking system in the prior art, and specifically comprises treatment room equipment and a safety interlocking module, the treatment room equipment comprises a dose control module used for obtaining neutron beam flux and monitoring the neutron beam state, and a treatment control box used for controlling operation of the treatment terminal. The safety interlocking module is in communication connection with the dose control module through a first heartbeat detection line and a first alarm line which are independently arranged, and is in communication connection with the treatment control box through a second heartbeat detection line and a second alarm line which are independently arranged.
Owner:HUABORON NEUTRON TECH (HANGZHOU) CO LTD

A safety locking control method for a thermal power unit under a deep peak regulation condition

ActiveCN121541435BData packSafety property
This invention discloses a safety interlock control method for thermal power units under deep peak shaving conditions, belonging to the field of thermal power generation automation control technology. The method includes: S10: acquiring relevant data of the target thermal power unit, including records of historical safety interlock control executions of the target thermal power unit, acquiring the load of the target thermal power unit corresponding to each record, and generating a database based on the acquired loads; S20: acquiring the group of loads with the most historical safety interlock control executions from the database, and acquiring correlation parameters related to the loads in the load group, including furnace negative pressure and burner air-coal ratio. This invention, by constructing a database containing historical safety interlock control records and load data, performs multi-parameter correlation analysis and load change trend monitoring, achieving accurate prediction of thermal power unit load changes and dynamic adjustment of interlock thresholds, thereby improving the operational safety and stability of thermal power units under deep peak shaving conditions.
Owner:HUANENG POWER INT CO LTD DEZHOU POWER PLANT

A control method and system for stage equipment

PendingCN122331357AFeature setSimulation
This invention discloses a control method and system for stage equipment, comprising: establishing a global spatial coordinate system with the starting point of the slide rail as the origin and calibrating the static coordinates and geometric center coordinates; real-time acquisition of pressure distribution data and motion feature sets; performing Fourier transform on the pressure distribution data to generate a smooth pendulum length and obtaining the audience's center of gravity offset and offset direction; generating a safety zone based on the motion speed and smooth pendulum length, and generating a vertex coordinate sequence based on the center of gravity offset and offset direction; publishing the vertex coordinate sequence to each peripheral device based on a publish-subscribe mechanism, and obtaining the verification distance between each peripheral device and the boundary of the safety zone; comparing the verification distance with preset warning thresholds and emergency thresholds to generate control commands; and performing differentiated control on the mobile platform based on the control commands. This invention achieves unified safety interlocking between the mobile platform and peripheral devices, solving safety problems caused by the high center of gravity of standing audiences, edge gathering, and individual inertia differences.
Owner:HUNAN MINGHE EVENT TECH DEV CO LTD

Intelligent reconstruction method and system for built arch dam

This application provides a method and system for the intelligent transformation of an existing arch dam. The method includes: diagnosing, evaluating, optimizing, and supplementing the existing monitoring system of the arch dam, and outputting standardized and fused multi-source monitoring data; constructing and refining a simulation model based on the multi-source monitoring data to build a digital twin reflecting the current operational status of the arch dam; analyzing the operational status of the arch dam over a future period based on the digital twin, performing hydrological-hydraulic integrated diagnosis and dynamic simulation, and generating decisions for routine or emergency scheduling; and executing closed-loop control actions on the arch dam gates through a gate control system integrated with safety interlocking and remote communication capabilities, according to the control instructions or emergency plan.
Owner:BEIJING ZHIQING SMART WATER TECHNOLOGY CO LTD

Pressure-bearing quick-opening door for medium-high pressure container

The invention discloses a pressure-bearing quick door opening device for a medium-high pressure container. The pressure-bearing quick door opening device comprises a door locking frame, a door body, a lifting device and a safety interlocking device, an annular locking plate is arranged on the inner side of the outer end face of the door locking frame, an annular locking gap is formed between the annular locking plate and the frame body, and a notch is formed in the annular locking plate. The door body comprises a fixed part and a rotating part, the edge of the rotating part is provided with door meshing teeth corresponding to the notch, and the rotating part is connected with a second door body locking plate. The lifting device is installed on the door locking frame, and the output end of the lifting device is movably connected with the second door body locking plate through a lifting pin shaft. The safety interlocking device has three-stage protection: pressure interlocking prevents door opening when the container has pressure; the mechanical interlocking ensures that the rotating part can only move at the unlocking position through the anti-rotating body; the motion interlock prohibits the actuation of the drive mechanism when the incisor is not completely disengaged. The device is compact in structure, light in weight, capable of achieving automatic locking and unlocking, convenient to operate, capable of achieving multiple safety protection and suitable for medium-high-pressure rapid sealing occasions.
Owner:GUIZHOU FENGLEI AVIATION ORDNANCE CO LTD

Hazardous chemical substance loading safety interlocking quick switching valve device

The utility model provides a safety interlocking quick switching valve device for dangerous chemical loading, and relates to the technical field of switching valve devices. Comprising a valve frame, a feeding pipe and a discharging pipe are arranged on the two sides of the valve frame respectively, and an electromagnetic controller is arranged at the top of the valve frame; a double-cut valve structure is arranged in the valve frame and comprises an auxiliary frame and an operation block, the auxiliary frame is fixedly connected with the top of the valve frame, an interlocking control area and a material passing area are arranged in the valve frame, and by arranging the double-cut valve structure, under the action of a coil and a magnet block, valve cutting can be conducted in cooperation with an electromagnetic controller; the piston block can be driven to move up and down under the action of the threaded rod, then the piston block can be matched with a reset spring and a sliding rod to move up and down, the feeding pipe and the discharging pipe can be blocked in an auxiliary mode, at the moment, a push plate can be driven to move under the action of the threaded rod, then the piston block can be driven to move up and down, and then the feeding pipe and the discharging pipe can be controlled manually.
Owner:HUBEI JINKONG GAS CO LTD

Safety interlock for pressurized vessels

The application discloses a safety interlocking device for a pressurized container and belongs to the technical field of pressure containers. The safety interlocking device aims at the problems of the safety hidden danger of scalding of operators close to the container and poor environmental protection caused by the overflow of high-temperature hot gas from the feed inlet of the container, and comprises a pressure container body, a feed end pipe fixed to the front of the pressure container body, a sealing and closing cover arranged in front of a positioning sealing disc, a positioning sealing disc arranged at the front end of the feed end pipe, and an anti-overflow cover opening mechanism arranged on one side of the positioning sealing disc. The waste gas treatment mechanism is arranged. When the fan assembly is opened, the working fan assembly can guide the hot gas into the activated carbon adsorption device through the overflow gas guide pipe. The hot gas is discharged after harmless treatment by the activated carbon adsorption device. In this way, the environmental protection of the device can be improved, and the safety hidden danger of direct overflow of the polluted gas to the workplace and damage to the health of the personnel can be prevented.
Owner:KEAN ZHUOLU TECH EQUIP CO LTD

Accurate regulation and control and safety interlocking device and method for offshore hydrogen production equipment

The invention discloses a precise regulation and control and safety interlocking device and method for offshore hydrogen production equipment, and belongs to the technical field of safety monitoring of the offshore hydrogen production equipment. The device comprises an electrolytic bath, a pressure, liquid level and power supply monitoring module and a central control module. The method comprises the following steps: monitoring and acquiring monitoring data and regulation and control data of each monitoring module in real time, judging whether the monitoring data is within a safety threshold, if so, judging whether the regulation and control data is abnormal, and otherwise, starting the safety interlocking system. And if the regulation and control data are abnormal, dynamically regulating the regulation and control data to improve the hydrogen production efficiency and ensure the stability of the hydrogen production process, otherwise, continuing monitoring. According to the invention, the hydrogen production efficiency is improved to the greatest extent while the safety is ensured, and the awkward situation that the monitoring parameters of the existing hydrogen production safety system are limited and the safety linkage protection function is imperfect is broken through.
Owner:HUANENG YANCHENG DAFENG NEW ENERGY POWER GENERATION CO LTD +2

Intelligent inspection and safety interlocking control system for radioactive source library

PendingCN121433144AProgramme total factory controlEmergency procedureControl system
The invention discloses an intelligent inspection and safety interlocking control system for a radioactive source library, and particularly relates to the field of radioactive source library safety management and control, a central control unit comprises five core modules: an intelligent inspection path planning module is responsible for loading an environment map and planning an inspection path, and the central control unit supports real-time line adjustment; the dynamic radiation monitoring module is used for dynamically monitoring a personnel movement track and a radioactive source carrying state through a high-sensitivity radiation detector and a mobile sensor carried by the robot; the factory area state diagnosis module reads data of a fixed sensor in real time, diagnoses environment abnormity and issues an instruction; the abnormal response and mobile inspection module enables the robot to interrupt inspection after receiving the early warning, autonomously plan a path and go to the site for inspection and primary treatment; and the intelligent decision-making and emergency response module automatically records abnormity or starts an emergency process according to a checking result, so that the safety management and control capability and the emergency response efficiency of the radioactive source library are remarkably improved.
Owner:CNNC ENVIRONMENTAL PROTECTION IND CO LTD

Stage equipment electrical control system and construction method thereof

The invention relates to the technical field of stage equipment control, in particular to a stage equipment electrical control system and a construction method thereof, and the system comprises a multi-source data collection module which is used for collecting operation parameters, position states, environment parameters and load data of stage electrical equipment; the edge cooperative control module is used for generating an equipment cooperative control strategy through an improved DDPG algorithm fused with an attention mechanism; the fault early warning module is used for establishing a fusion model of the auto-encoder and an LSTM algorithm, and performing anomaly detection, fault tracing and risk level prediction on real-time data; the digital twinning operation and maintenance module is used for constructing a digital twinning model and mapping an equipment operation state in real time; and the safety interlocking module is used for setting a multi-level authority management and equipment operation threshold interlocking mechanism, and immediately triggering emergency shutdown and sound-light alarm when parameters exceed the limit or illegal operation is carried out. Therefore, the problems of poor equipment collaboration, passive fault early warning, low operation and maintenance efficiency and the like in the prior art are solved.
Owner:FUNSHINE CULTURE GRP CO LTD