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442 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

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

Multi-source cooperative switching and interlocking control method and system based on EMS and storage medium

The invention provides an EMS-based multi-source cooperative switching and interlocking control method and system and a storage medium, and the method comprises the steps: firstly, monitoring the state of a power grid in real time, and achieving the quick switching operation through an STS if the power grid is abnormal; then, photovoltaic power supply is started preferentially, when photovoltaic power supply is not available, phase difference is detected in real time through a DZZB-A module, the rotating speed is dynamically adjusted based on the phase difference so as to meet dynamic grid-connected control of an oil engine (diesel generator), and impact-free grid connection is achieved; finally, based on the power supply power and the load power, a PCS charging and discharging mode is intelligently switched, and the stability of the power supply system is improved; meanwhile, through a double-path auxiliary power redundancy mechanism, a working power supply of the STS cabinet is ensured, and a power loss blind area of a control circuit is eliminated; in addition, through safety interlocking logic, automatic breaking of the power grid and the oil engine is achieved, and the problem of short circuit caused by parallel connection of power sources is prevented. The power supply system reliability is improved.
Owner:SHENZHEN EN-JOY TECH CO LTD

Safety control design method for full-automatic erection of radar

The invention relates to a safety control design method for radar full-automatic erection. The method comprises the steps of state monitoring, safety interlocking, permission design and fault isolation. The state monitoring comprises the steps of monitoring a radar state through multi-sensor fusion, analyzing a real-time state, feeding back the real-time state and judging whether a user instruction can be executed or not; the safety interlocking is used for setting protection logic, and interlocking is set for actions with association and sequence requirements; the permission design is that the minimum permission is set for an operator, and the erection process is only allowed to be carried out according to preset steps; according to the fault isolation design, when a system reports faults, a fault area is positioned according to the characteristic difference of fault information, fixed-point isolation is carried out, and the function is frozen. The method improves the safety of the radar erection process, avoids the misoperation in the erection process and the structural damage caused by the simultaneous occurrence of incompatible events in the process, and can be used for guiding the radar to carry out the erection safety design.
Owner:NANJING RES INST OF ELECTRONICS TECH

Interlocking protection optimization system and method of FLASH accelerator and electronic equipment

The invention provides an interlocking protection optimization system and method of a FLASH accelerator and electronic equipment, and the system comprises an acceleration module which is used for generating an initial electron beam and accelerating the initial electron beam to obtain a high-energy electron beam; the beam quality guarantee module is in signal connection with the acceleration module and is used for monitoring, regulating and controlling the intensity and the position of the high-energy electron beam in real time; the treatment execution module is in signal connection with the beam quality guarantee module and is used for converting the high-energy electron beams into treatment rays and monitoring the output dose of the treatment rays in real time; and a safety interlocking protection module which is in signal connection with the acceleration module, the beam quality guarantee module and the treatment execution module and is used for collecting operation parameters of all parts of the FLASH accelerator in real time, performing analysis based on preset logic, triggering interlocking protection actions under abnormal working conditions, and controlling the treatment execution module to perform treatment. And active monitoring-intelligent analysis-rapid response closed-loop control of the ultrahigh dose rate radiotherapy accelerator in a full operation period is realized.
Owner:ZHONGJIU FLASH MEDICAL TECHNOLOGY CO LTD

Sluice pump station operation state and water regimen linkage monitoring system

The invention relates to the technical field of hydraulic engineering monitoring and control, in particular to a sluice pump station operation state and water regimen linkage monitoring system. The decision control unit is used for generating long-term prediction information and short-term prediction information based on hydrological observation data and generating control instructions of the opening degree of a water gate and the rotating speed of a water pump. The control instruction execution unit is used for executing the corrected control instruction of the water gate opening degree and the water pump rotating speed; the linkage safety interlocking unit is used for transmitting a standby pump starting instruction to the control instruction execution unit when the first condition and the second condition are met at the same time, sending a blocking signal to the tactical optimization module, and sending a release signal to the tactical optimization module after the standby pump starting instruction is executed. According to the system, low efficiency or safety risk caused by a fixed strategy and execution of wrong operation under the condition that the equipment has a fault or has a fault are avoided, and secondary damage to the equipment and interruption of system operation caused by improper control instructions are effectively prevented.
Owner:HEFEI SANGSHANG MEASUREMENT & CONTROL TECH CO LTD

Intelligent material cabinet and safe and accurate material distribution method

The invention discloses an intelligent material cabinet and a safe and accurate material distribution method. The intelligent material cabinet further comprises an anti-theft unit, a material recognition unit and a safety interlocking mechanism on the basis of a conventional cabinet body. The anti-theft unit seals a blue opening by arranging a long turning plate and a short turning plate at the blue opening of a lifting blue and is linked with a material taking turning plate of a material taking opening; the material identification unit is provided with an intelligent camera, a wide-angle camera and a pressure sensor for detecting material information; the safety interlocking mechanism is provided with a limiting switch, an electronic bolt door lock and a material taking indicator lamp, and limiting of the lifting basket, locking of a material taking opening material taking turning plate and material taking prompting are achieved. According to the method, safe and accurate material distribution is achieved through material management, material identification and safety linkage. According to the material cabinet and the method, the defects of traditional material warehouse management are overcome, the accuracy of material distribution and the anomaly detection processing capacity are improved, the vulnerability of theft is eradicated, the safety of material extraction operation is ensured, and then the adaptability, automation and intelligence of material warehouse management are improved.
Owner:SHANGHAI BAOSTEEL IND TECHNOLOGICAL SERVICE

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

Hydraulic blowout preventer monitoring method and device and storage medium

The invention relates to the technical field of oil and gas drilling and production well control safety, and discloses a hydraulic blowout preventer monitoring method and device and a storage medium. The method comprises the steps that hydraulic flow data in a hydraulic pipeline opening and / or closing process of a hydraulic blowout preventer are obtained, and whether the hydraulic flow data are normal or not is judged; based on the hydraulic flow data, whether the hydraulic blowout preventer completes closing or opening operation or not is judged, and whether closing or opening is normal or not is judged; when it is judged that the hydraulic blowout preventer completes the closing operation, air pressure data associated with an air path for controlling the drilling machine to brake are obtained; judging whether the air pressure data is lower than a safety threshold; and if the air pressure data is lower than the safety threshold value, a first alarm signal indicating brake failure is generated and output. According to the system, the well shut-in state and brake effectiveness can be verified, and an alarm can be given in time when safety interlocking is abnormally removed, so that the accident that a drilling tool is lifted and broken due to state misjudgment or human negligence is fundamentally eradicated, and the problem that the safety state cannot be monitored is solved.
Owner:大英县卓筒井镇鑫鑫机械加工店

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

Heater drainage control method and system with fault diagnosis function

The invention relates to the technical field of heater drainage control, and discloses a heater drainage control system with fault diagnosis, which comprises an electric regulating valve group, a water level sensor module, a DCS (Distributed Control System) control module and a safety interlocking protection unit, the electric control valve group comprises a position feedback module and an execution mechanism, the DCS control module is integrated with a fault diagnosis sub-module, and the invention further provides a heater drainage control method with the fault diagnosis function, and the method comprises the following steps that S1, signal collection and preprocessing are conducted, and water level signals are collected in real time through a sensor; s2, deviation analysis: the DCS control module compares the deviation between a set value and an actual value, and adopts a self-adaptive threshold to judge a control demand; manual operation is transformed into remote automatic control, an automatic control strategy is optimized, the water level of the high-pressure heater is adjusted when the load of the unit changes frequently, manual operation is reduced, and safety and reliability of operation of the unit are improved.
Owner:GUO DIAN JING YUAN FA DIAN YOU XIAN GONG SI

Intelligent energy scheduling method for energy storage and charging direct current coupling system

The invention discloses an intelligent energy scheduling method for an energy storage and charging direct-current coupling system, and the method employs a bidirectional buck-boost intelligent switching control module, a duty ratio optimization algorithm module, an intelligent control circuit switching module, a mode switching judgment algorithm module, a safety interlocking protection module, and a parameter interaction fusion mechanism. The method is used for realizing collaborative optimization control among algorithm modules, and comprises the following steps: transmitting voltage stability monitoring parameters from a bidirectional buck-boost intelligent switching control module to a duty ratio optimization algorithm module; the duty ratio change rate and the control stability parameter are transmitted to the safety interlocking protection module and the mode switching judgment algorithm module from the duty ratio optimization algorithm module, and the safety state information is transmitted to the intelligent control circuit switching module from the safety interlocking protection module. According to the invention, flexible, efficient and safe charging of the electric vehicles on different voltage platforms by the energy storage battery is realized, the real-time performance, the accuracy and the reliability of the system are considered, and collaborative optimization control is realized through a parameter interaction mechanism.
Owner:JIANGSU TELLUS POWER CO LTD

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

Airplane ground air conditioner blast pipe safety detection device and method

The invention discloses a safety detection device and method for an air supply pipe of an airplane ground air conditioner, and belongs to the technical field of safety control of airplane ground support equipment, and the safety detection device comprises a touch screen all-in-one machine (HMI), an aviation plug sensor, a programmable logic controller (PLC), an overrun switch and a sound-light alarm unit. The aviation plug sensor is used for collecting a state signal of whether the air valve is mechanically inserted and locked in place in real time; the PLC receives and processes the input signal, executes a preset safety interlocking logic program and outputs a control instruction to the chassis running driving circuit; the touch screen all-in-one machine provides all-parameter state display, historical fault recording, system setting and man-machine interaction functions; the overrunning switch serves as a hardware emergency bypass and provides emergency evacuation authorization with the highest priority when the interlocking system breaks down. Through a software and hardware dual interlocking mechanism, accurate and reliable detection and forced interlocking of the air valve connection state are achieved, and the safety and the automation level of operation of an aircraft ground air conditioning system are greatly improved.
Owner:WUXI XUEOU MOBILE AIR-CONDITIONING 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

Safety interlocking system and railway vehicle

PCT designated stageWO2025200397A1LocomotivesSafety InterlockOperation safety
A safety interlocking system and a railway vehicle. The safety interlocking system comprises: a starting switch, a circuit breaker provided with a coil and a contact, and a hydrogenation device, wherein the contact of the circuit breaker is in a normally-closed state when the coil is not electrified; thus, when the starting switch is in a closed state, the coil in the circuit breaker is electrified, and the normally-closed contact is converted into a disconnected state; at the moment, it is ensured that the hydrogenation device does not execute a hydrogenation operation on the railway vehicle when the starting switch is not completely closed; and at the moment, the reliability of determining that a power supply of the railway vehicle is completely disconnected is improved by means of the provided circuit breaker, ensuring the operation safety.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE 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

Intelligent circuit breaker

The invention relates to an intelligent circuit breaker which comprises a shell, an arc extinguishing system and an operating mechanism. The operating mechanism is an electromagnetic opening and closing mechanism and is integrated with a short-circuit opening identification structure and a mechanical locking device. The electromagnetic opening and closing mechanism adopts electromagnetic direct drive, the short-circuit induction coil and the trip coil are horizontally arranged in parallel and share the magnetic circuit component, and the structure is compact. The short-circuit opening identification structure is matched with a switch on a circuit board through a trigger part at the tail part of a tripping lever, and a short-circuit signal is mechanically triggered and reported. The mechanical locking device physically blocks the movement of the closing mechanism at the locking position through the movable locking piece so as to prevent accidental closing. The device integrates efficient driving, accurate fault identification and absolute safety interlocking, and has the advantages of compact structure, fast action, strong breaking capacity, high reliability, good safety, high intelligent degree and the like.
Owner:SHANGHAI HUASU ELECTRIC

Laser internal control board

The utility model discloses a laser internal control board, which belongs to the technical field of lasers, and can realize accurate control of parameters such as light emitting energy, exhaust frequency and the like of a laser through a PLC (Programmable Logic Controller) and a human-computer interface, and ensure the stability of laser output by the laser and the reliability of cutting quality. Due to the automatic operation process, the operation steps are simplified, the working efficiency is improved, and the labor intensity of operators is reduced. And safety protection measures such as a safety interlocking circuit, an emergency stop button, a state indicating lamp, a fault alarm system and the like are adopted, so that the safety of operators and the stable operation of the laser are ensured. The fault diagnosis function can identify potential faults in advance, quickly position the faults and take corresponding processing measures, so that equipment shutdown caused by the faults is avoided, and the reliability of the laser and the utilization rate of the equipment are improved. And meanwhile, data analysis, fault diagnosis and equipment maintenance are facilitated through data acquisition and recording functions, and data support is provided for optimization and improvement of equipment.
Owner:DONGGUAN HUASHENG LASER TECHNOLOGY CO LTD

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