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36results about How to "Avoid potential danger" patented technology
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Precast beam yard layout optimization system based on BIM and parameterized database integration
ActiveCN119106484Aachieve accurate assessmentAchieve real-time optimizationGeometric CADDesign optimisation/simulationComputer Aided DesignModel building
The invention discloses a precast beam field layout optimization system based on BIM and parameterized database integration, and relates to the technical field of computer aided design, the system comprises a BIM data acquisition and processing unit used for extracting a geometric feature tensor, a material feature tensor and a section feature tensor of a precast beam from a BIM parameterized database, constructing a multi-scale feature tensor of the precast beam; the model building unit is used for building a site multi-physical field coupling model based on the multi-scale tensor and the site parameters; calculating dynamic bearing capacity distribution based on a multi-physics field coupling model; calculating a dynamic feasibility index; and the layout optimization unit is used for converting the optimization problem into a continuous space-time Markov decision process, finding an instruction matrix of the crane corresponding to the optimal strategy function, and taking the instruction matrix as a final execution scheme so as to complete the optimized layout of the precast beam field. According to the method, the safety and stability of the layout scheme in a complex construction environment are ensured, the construction efficiency is maximized, and the risk is reduced.
Owner:中国建设基础设施有限公司 +3
Battery current sampling safety diagnosis method and device
PendingCN119199530Aimprove securityImprove reliabilityElectric devicesResistance/reactance/impedenceCurrent sampleElectrical battery
The invention provides a battery current sampling safety diagnosis method and device, the method is applied to a battery management system, and the battery management system comprises a current sampling circuit and a processing module. The current sampling circuit comprises a voltage main sampling channel and a voltage auxiliary sampling channel of the shunt resistor, a first temperature signal sampling channel and a second temperature signal sampling channel, and is used for acquiring voltage sampling result values of the voltage main sampling channel and the voltage auxiliary sampling channel and carrying out first validity judgment; acquiring temperature signal sampling result values of the first temperature signal sampling channel and the second temperature signal sampling channel, performing second validity judgment, and outputting a shunt resistance voltage value and a shunt resistance temperature value; and determining the battery current value of the current diagnosis period and performing rationality judgment, and outputting the battery current value based on a rationality judgment result to perform battery algorithm application and / or battery fault judgment application, thereby improving the battery current sampling diagnosis coverage rate and the diagnosis safety level.
Owner:CHINA FAW CO LTD
Human physiology and motion state anomaly detection method and device
ActiveCN119405300Aimprove securityImprove user experienceSensorsMachine learningAnomaly detectionPhysical therapy
The invention is suitable for the technical field of machine learning, and provides a human physiology and motion state anomaly detection method and device. The human physiology and motion state anomaly detection method comprises the steps of obtaining real-time sign data collected by the sign collector and standard sign data which are obtained through pre-training and respectively correspond to multiple preset states; performing semantic classification on the real-time physical sign data to obtain real-time semantic information; each piece of real-time semantic information corresponds to one or more preset states; and according to standard physical sign data corresponding to the real-time semantic information, determining whether the real-time physical sign data is in an abnormal state or not. According to the technical scheme, by introducing the anomaly detection method based on semantic classification, the accuracy of physical sign data analysis in the wearable device is remarkably improved, and the real-time performance and the intelligent level of the device are enhanced.
Owner:SHENZHEN SKYWORTH DIGITAL TECH CO LTD +1
Electronic component withstand voltage test equipment
InactiveCN119104858AImprove test efficiencyshorten the timeTesting dielectric strengthPhotovoltaic energy generationStructural engineeringElectronic component
The invention relates to the technical field of electronic component testing, in particular to electronic component voltage withstanding testing equipment which comprises a testing device body, a detection bin and a material box and further comprises a plurality of arrangement grooves formed in the material box. The material box is provided with an arrangement groove, the arrangement groove is used for limiting and arranging to-be-detected diodes placed in the material box, the testing assembly is arranged in the detection bin, and the testing assembly is used for conducting voltage withstanding testing on the multiple diodes in a single batch at the same time, and when the electronic component voltage withstanding testing equipment is used, different from the prior art, the testing efficiency is improved, and the testing efficiency is improved. And the placing mechanism can quickly arrange the diodes, so that the manual arrangement and arrangement time is greatly reduced, the diodes can be uniformly fixed on the detection device through simple operation, and the test preparation time is further shortened.
Owner:QIANYU SEMICON MATERIALS (JIANGSU) CO LTD
Data real-time monitoring and alarming system and method for intelligent connected automobile
InactiveCN119445755Aavoid potential dangerImprove driving safetyAlarmsIntelligent NetworkControl system
The invention discloses a data real-time monitoring and alarming system for an intelligent networked automobile. The data real-time monitoring and alarming system comprises a main controller MCU; the pressure sensor is used for detecting whether a person is in the vehicle; the door and window control system is used for judging whether the automobile is in a closed state; the countdown control device is used for setting detection time; the laser detection module is used for detecting oxygen concentration; the alarm module is used for receiving an alarm signal and controlling an alarm circuit; the main controller MCU is connected with the door and window control system, the pressure sensor, the countdown control device, the laser detection module and the alarm module, the laser detection module adopts a TDLAS technology, and the concentration of oxygen is determined through the Lambert-Beer law; the alarm module adopts one of light alarm, sound alarm and sound-light alarm. According to the invention, the safe distance analysis module intelligently analyzes and confirms the safe distance to be maintained according to the real-time vehicle speed and the dry-wet condition of the road surface, and the condition of insufficient safe distance is monitored and pre-warned in real time by combining the measured data of the distance measuring device, so that the driving safety is improved.
Owner:IANGSU COLLEGE OF ENG & TECH
Construction device for single-layer lining of tunnel
ActiveCN222276676Ueasy to operateavoid potential dangerUnderground chambersHydro energy generationGear wheelSurface tooth
The utility model discloses a construction device for a single-layer lining of a tunnel, and relates to the technical field of tunnel engineering. The device comprises a supporting platform, the bottom of the supporting platform is fixedly connected with a supporting column, the bottom of the supporting column is fixedly connected with moving wheels, and the sides, close to each other, of the front face and the back face of the supporting column are each provided with a supporting side table. A motor is started to transmit power, a gear II is driven according to a gear I on the surface of a power rod, so that the radian of a supporting arm I is adjusted, and meanwhile, an electric push rod I is started to adjust the radian of a supporting arm II according to a connecting pin shaft of the supporting arm II and a connecting block I; and finally, a limiting block at the bottom of a second supporting arm is arranged and matched with the output end of a second electric push rod to drive a third telescopic rod, the third telescopic rod pushes a first movable block to conduct adjustment so as to conduct fine adjustment on the supporting frame, and therefore a first supporting ring is driven to support the two sides of the tunnel, construction operation of constructors is facilitated, and potential risks are prevented.
Owner:ROAD & BRIDGE INT CO LTD +2
Steering-by-wire system, control method, vehicle and storage medium
InactiveCN119262069Aensure correct executionimprove securitySteering linkagesAutomatic steering controlControl engineeringElectric machinery
The invention discloses a steer-by-wire system, a control method, a vehicle and a storage medium. The steer-by-wire system comprises a redundant steering angle torque sensor, a redundant steering angle sensor, a road sensing motor controller, a steering execution mechanism controller, an emergency connecting device and a whole vehicle controller. Wherein the road feeling motor controller and the steering execution mechanism controller execute a road feeling simulation and steering control strategy based on a corner torque signal and a corner signal, and the whole vehicle controller outputs a vehicle speed signal. And when mutual verification of the sensor signals fails, the emergency connection device is activated to form mechanical connection, and meanwhile, the flag bit is pulled up to control strategy conversion. The control method comprises sensor signal detection, strategy execution, emergency connection starting, flag bit pull-up logic and redundancy mechanism implementation. The technical problem that the steer-by-wire system cannot work under the extreme condition that redundant signals fail in the prior art is solved.
Owner:FAW JIEFANG AUTOMOTIVE CO
Anti-backfire three-pipe injection type cutting torch
The utility model discloses an anti-backfire three-pipe injection type cutting torch, and belongs to the technical field of welding tools. The rear connecting body comprises an oxygen connector and a fuel gas connector; the cutting torch and the oxygen connector can be communicated with the cutting torch through a cutting oxygen pipe and an oxygen pipe respectively, the gas connector is communicated with the cutting torch through a gas pipe, fire stopping pipes and fire arresting valves are arranged in the oxygen connector and the gas connector, the fire stopping pipes are located on the front sides of the fire arresting valves, the fire stopping pipes are used for resisting tempering, and the fire arresting valves are used for preventing gas backflow. Gas can pass through the fire stopping pipe, but the fire stopping pipe can stop flames, so that the flames can be quickly prevented from flowing back to a gas supply system when backfire occurs, and the backfire phenomenon is resisted; the safety guarantee is further increased through the fire-retardant valve, the gas can be prevented from reversely flowing backwards from the cutting torch under any condition, it is ensured that the gas flow direction can be cut off even under the abnormal condition, and potential risks are avoided.
Owner:NINGBO LONGXING WELDING CUTTING TECH STOCK
High-stability pectin-monascus pigment compound, method and application
ActiveCN119097062AWide variety of sourceslow costFood ingredient as colourMeat/fish preservation using chemicalsBiotechnologyPectinase
The invention belongs to the technical field of nutritional food preparation, and discloses a high-stability pectin-monascus pigment compound, and a preparation method comprises the following steps: crushing; removing impurities; performing water extraction; performing alcohol precipitation; performing purification; performing enzymolysis with pectinase; and preparing the pectin-monascus pigment compound by a free radical induction method. The pectin-monascus pigment compound is helpful for improving the quality and color stability of ham sausages, and can be used as a novel food ingredient for product development of food or health care products. The stability of the monascus pigment can be effectively improved, and damage to the color of the monascus pigment due to conditions such as environmental factors is reduced. The dietary fiber used in the invention comes from an agricultural product processing byproduct, namely orange peel, and is wide in source and low in cost.
Owner:TIANJIN UNIV OF SCI & TECH
Elevator risk control safety management system and method based on Internet of Things
InactiveCN119612306AGuaranteed uptimeavoid potential dangerElevatorsTransmissionForeign matterSafety management systems
The invention discloses an elevator risk control safety management system and method based on the Internet of Things, and relates to the technical field of elevator safety risk control, and the elevator risk control safety management system comprises the steps of S1, data acquisition, S2, data transmission, S3, data processing, S4, model establishment, S5, foreign matter judgment, S6, countermeasures, S7, automatic measures, S8, self-calibration and S9, cyclic monitoring. The elevator shaft is scanned through the multiple three-dimensional laser scanning sensors to collect information, a model can be reconstructed in real time and compared with a standard model, foreign matter in the shaft can be found in time, potential risks such as collision and damage to safety parts caused by the foreign matter to elevator operation are effectively avoided, and elevator operation safety is guaranteed.
Owner:SHENZHEN YUNZHI PRECISION TECHNOLOGY CO LTD
False touch prevention mechanism of electric power control cabinet
ActiveCN224177738Uavoid potential dangerSimplify the maintenance processSubstation/switching arrangement cooling/ventilationSubstation/switching arrangement casingsStructural engineeringElectric shock
The utility model discloses an electric control cabinet mistaken touch prevention mechanism which comprises a cabinet body, a cabinet door is connected to the cabinet body through a hinge, a first handle is fixedly connected to one side of the cabinet door, a control assembly is arranged on the cabinet door, a partition plate is fixedly connected to the interior of the cabinet body, a plurality of first threaded holes are formed in the partition plate, and a plurality of second threaded holes are formed in the partition plate. A protection assembly is arranged on one side of the partition plate, a heat dissipation assembly is arranged on the cabinet body, and a plurality of maintenance openings are formed in the two sides of the cabinet body. According to the utility model, the protection assemblies are used for isolating the electric power components among the partition plates, so that the situation that when the electric power component in a certain partition plate is maintained, other electric power components are touched by mistake, so that the components are closed or an operator gets an electric shock is avoided, and potential dangers are avoided; and the deepest power components of the cabinet body can be directly maintained, and the front power components do not need to be disassembled, so that the maintenance process is simplified.
Owner:HUBEI HAILISHI ELECTRIC CO LTD
Intelligent LED explosion-proof light
ActiveCN111379991BGuaranteed cooling efficiencyImprove cooling efficiencyLighting heating/cooling arrangementsProtective devices for lightingMechanical engineeringPhysics
The invention discloses an intelligent LED explosion-proof lamp, comprising a lamp body, a positioning rod and a protection mechanism; a lug seat is arranged on the side wall of the lamp body; the bottom end of the positioning rod is hinged to the lug seat for adjusting the inclination angle of the lamp body; the protection mechanism comprises a sleeve and an internal threaded sleeve, one end of the sleeve is limited on the outer wall of the wiring terminal of the lamp body, and the other end is provided with an external threaded joint, the sleeve is used to protect the connecting wire, the external threaded joint matches the internal threaded sleeve, the threaded end of the internal threaded sleeve is used for threaded connection with the external threaded joint, the positioning end of the internal threaded sleeve is used for sealing the socket head and the socket plate, the socket head is limited in the internal threaded sleeve, and has the main functions of adjusting the angle of the lamp body, protecting the connecting wire of the lamp body and the position of the connection between the socket head and the socket plate.
Owner:TIANJIN LONGDINGXI PETROCHEMICAL NEW ENERGY TECH CO LTD
Switch cabinet wire inlet hole with self-locking structure
ActiveCN222654600UThe extraction process is smoothavoid potential dangerBus-bar/wiring layoutsClimate change adaptationStructural engineeringMechanical engineering
Owner:HARBIN NONGKEN FAR EAST POWER TRANSMISSION & DISTRIBUTION EQUIP CO LTD
Inorganic salt solid particle spheroidizing device and using method thereof
PendingCN121944912Aeasy to observeSimple structureGranulation in stationary drums/troughsGranulation using vibrationInorganic saltsPhysical chemistry
The invention provides an inorganic salt solid particle spheroidizing device. The inorganic salt solid particle spheroidizing device comprises a signal generation system, a vibration system, a stirring system and a dissolving system which are connected in sequence, the signal generation system is used for providing a vibration signal; the vibration system comprises a vibration exciter, a lower liquid storage tank, an upper liquid storage tank and a particle vibration plate arranged between the lower liquid storage tank and the upper liquid storage tank; the stirring system is arranged in the upper liquid storage tank; the dissolving system comprises a solvent inlet formed in the side face of the upper liquid storage tank and a solvent outlet formed in the bottom face of the lower liquid storage tank. The device is simple in structure, firm and durable, convenient to observe particle change and excellent in practicability; according to the invention, environmental protection can be realized, resources can be saved, and pollution-free continuous preparation of the spherical inorganic salt particles can be realized; the operation safety is high, the flexibility is high, and potential risks caused by liquid accumulation can be avoided through timely removal of the saturated solution.
Owner:NANJING NORMAL UNIVERSITY
A method for dynamic heat preservation of aluminum electrolytic cell body
The present invention proposes a method for dynamic heat preservation of an aluminum electrolytic cell body, which relates to the technical field of aluminum electrolysis, and includes: S1 installing a dynamic heat preservation device outside the aluminum electrolytic cell body, the dynamic heat preservation device including: a support structure fixed to the outer wall of the cell body; a movable heat preservation unit installed on the support structure, wherein the movable heat preservation unit contains a heat preservation material whose thermal conductivity increases with increasing temperature; a driving mechanism for adjusting the position of the movable heat preservation unit; S2 arranging multiple sensors on the aluminum electrolytic cell for real-time collection of cell body operation parameters; S3 establishing a cold and hot analysis model of the electrolytic cell, and judging the cold and hot state of the electrolytic cell according to the operating parameters; S4 based on the cold and hot state, operating the driving mechanism through the control system, adjusting the distance between the movable heat preservation unit and the outer wall of the cell body, and realizing dynamic heat preservation. The present invention strikes a balance between improving energy utilization efficiency and ensuring safe operation of the electrolytic cell, and ultimately achieves the dual goals of energy saving and consumption reduction and safe production.
Owner:中国铝业股份有限公司连城分公司
Irreversible passive grabbing device and method
PendingCN119589712Aavoid potential dangerGuaranteed operating efficiencyGripping headsInterference fitControl system
The invention discloses an irreversible passive grabbing device and method. The irreversible passive grabbing device comprises a fixing assembly, and a containing space is formed in the fixing assembly; the sliding assembly is arranged in the fixing assembly in a sliding manner; one end of the connecting rod assembly is rotationally connected with the sliding assembly; one end of the clamping assembly is rotationally connected with the fixing assembly, and the end, close to the clamping assembly, of the connecting rod assembly is rotationally connected with the clamping assembly; when the sliding assembly slides close to the clamping assembly, the clamping assembly rotates out of the interior of the containing space, and a grabbing angle is formed. The radioactive barrel grabbing device has the beneficial effects that the geometrical shape of the wedge is adopted to form mechanical interference fit with the radioactive barrel, passive grabbing and automatic locking are achieved, the grabbing state can be kept without extra energy input, the risk that the radioactive barrel accidentally falls off due to faults of a power source or a control system is avoided, and the working efficiency is improved. The wedge-shaped design of the wedge enables the wedge not to be folded and released in a bearing state, and meanwhile the wedge has tolerance adaptability to the edge of the barrel.
Owner:SICHUAN ENVIRONMENTAL PROTECTION ENG CO LTD CNNC +2
Circuit breaker opening tripping device and high-voltage switch cabinet
ActiveCN119275067AGuaranteed to workensure safetySubstation/switching arrangement casingsElectric switchesControl theoryCircuit breaker
The invention belongs to the technical field of high-voltage switch cabinets, and discloses a circuit breaker opening and tripping device and a high-voltage switch cabinet, the circuit breaker opening and tripping device is used for controlling the on-off of a power-off loop of a circuit breaker, and comprises a base, a switch assembly and a resistor assembly; wherein the switch assembly and the resistor assembly are respectively connected in series in the power-off loop, the switch assembly has a disconnection position and a connection position, the resistor assembly has a maximum resistance value position and a working resistance value position, and when the resistor assembly is located at the working resistance value position, the switch assembly is located at the connection position to connect the power-off loop; when the resistor assembly is located at the maximum resistance value position, the switch assembly is located at the disconnection position to disconnect the power-off loop. According to the circuit breaker opening tripping device, it can be guaranteed that high-voltage arcs are not likely to be generated in the circuit breaker, the safety of maintainers is protected, and it is guaranteed that the safety of a high-voltage switch cabinet is high.
Owner:GUANGDONG POWER GRID CO LTD +1
Intelligent high security system
This invention is entitled "Intelligent Height Safety System". The invention relates to an apparatus. This apparatus and related methods involve an intelligent hook, a safety harness module, and related electronic components that detect a user's safety status by monitoring various parameters at the intelligent hook and the safety harness module and determining whether the user is using appropriate safety protocols at extreme heights and / or whether the user has experienced a height-related incident. In an illustrative example, the user may wear a safety harness that may include a module containing sensors that monitor the user's acceleration / velocity / position and / or ambient air pressure around the user. This module may receive wireless signals from at least one rebar hook with sensors monitoring the rebar hook's acceleration / velocity / position and the door position. A controller included in the safety harness module can use these sensors to advantageously determine the user's safety status and generate warning / alarm signals.
Owner:HONEYWELL SAFETY PRODUCTS USA INC
A kind of hoisting device for purification board production
ActiveCN118619077BGuaranteed stabilityavoid potential dangerSustainable biological treatmentLoad-engaging elementsProcess engineeringHoist device
Owner:SHANDONG HONGXING NEW MATERIAL TECH CO LTD
Roller screen slip detection and alarm system
ActiveCN222607179UExtend continuous running timeIncrease productivitySievingScreeningControl engineeringMechanical engineering
The utility model relates to the technical field of rubber-tyred drum screening machines, and discloses a roller screen slip detection alarm system which comprises a roller screen and a rack, a magnetic ring moving along with the surface of the roller screen is installed on the roller screen, and a proximity switch used for detecting a changing magnetic field, generating signals and sending the signals to an input port of a PLC module is installed on the rack. The PLC module executes logic in a program according to changes of input signals so as to judge whether the roller screen slips or not, if the roller screen rotates normally, the PLC module receives signals multiple times within a preset time, if the roller screen slips, the magnetic ring cannot normally trigger the proximity switch within the preset time, and consequently the PLC does not receive enough signals within the preset time, and the roller screen is driven to rotate normally. The PLC module judges that the roller screen slides and triggers the alarm module to give an alarm, the rotating state of the roller screen can be automatically monitored, dependence on manpower is reduced, and the problem of material blockage caused by sliding of the roller screen can be effectively solved.
Owner:GUANGDONG XINXING DUCTILE IRON PIPES CO LTD
Novel intelligent circuit breaker
ActiveCN222653888Uavoid potential dangercompact structureElectric switchesProtective switch operating/release mechanismsHemt circuitsMetal sheet
The utility model relates to the technical field of circuit breakers, in particular to a novel intelligent circuit breaker, which comprises a circuit breaker, a switch structure, a main control chip, a detection module, a communication module, a control module, a display screen and a power supply module, the switch structure comprises a shell, a metal sheet with ferromagnetism, an electromagnet, a sliding block with ferromagnetism and a connecting rod made of an insulator material, the electromagnet controls the sliding block to slide, and the sliding block drives the metal sheet to complete switching-on and switching-off operation through the connecting rod; the control module comprises a switching circuit and a mistaken touch prevention circuit, and the switching circuit energizes the electromagnet so as to control the sliding block to slide; after the mistaken touch prevention circuit is opened, the switching circuit cannot receive a power signal, so that the closing loop of the circuit breaker cannot be switched on. According to the utility model, the technical problem that a maintainer mistakenly touches the closing switch of the circuit breaker during circuit maintenance is solved.
Owner:CHENGDU HUASHENGCHUANGTONG TECH CO LTD
New energy assembly aluminum profile corner code drilling equipment
The utility model discloses a new energy assembly aluminum profile angle code drilling equipment, including frame, positioning clamp and drilling assembly, the positioning clamp contains clamping station, the first support plate and second support plate (the included angle is identical with the angle code opening angle) of adjustable clamping angle, the first pressure cylinder (the angle code reinforcing rib of pressure tightness), the second / third pressure cylinder (the angle code of pressure tightness up and down), and the groove of avoiding drilling and pressing plate, drilling assembly is two groups, contains motor, transmission and electric drill head (the axis is perpendicular to the angle code side plate). The equipment still integrates feeding assembly (contains vibrator, angle -adjustable unloading baffle and limit plate) and unloading assembly (inclined unloading plate). Through adjustable clamping angle's support plate adaptation angle code common opening angle, multiple pressure tightness positioning ensures the machining accuracy, cooperates the automatic feeding / unloading, and significantly improves the processing efficiency and security, is applicable to the angle code batch drilling production of new energy equipment such as photovoltaic support, energy storage cabinet.
Owner:JIANGYIN MUXIANG ENERGY SAVING DECORATION MATER
Rust-proof gas water heater valve
ActiveCN222669115Ueasy to drivesmooth rotationOperating means/releasing devices for valvesStructural engineeringGas concentration
The utility model discloses an anti-rust gas water heater valve which comprises a valve body seat, a stainless protective sleeve and a brass valve element piece, a sealing hemisphere seat is installed in the middle of the bottom end of the valve body seat, a right-angle connecting rod is arranged at one end of the sealing hemisphere seat, and a gas concentration display screen is arranged at one end of the right-angle connecting rod. An electrode terminal connected with the fuel gas concentration display screen is arranged in the right-angle connecting rod, and one end of the electrode terminal penetrates through the interior of the valve body seat and is provided with a fuel gas concentration probe. The right-angle connecting rod is arranged at one end of the sealing hemisphere seat, the right-angle connecting rod is connected with the fuel gas concentration display screen and the electrode terminal connected with the fuel gas concentration display screen, one end of the electrode terminal penetrates through the interior of the valve body seat, and the fuel gas concentration probe is arranged, so that a good fuel gas concentration monitoring effect can be achieved; and a threshold gas concentration alarm is given through a warning lamp, so that potential risks caused by increase of the internal pressure of the pipeline are avoided.
Owner:NINGBO LONGCAN MASCH CO LTD
Remote control device for explosion-proof diesel monorail crane
ActiveCN222348543Uavoid potential dangerprotect life safetySafety gearTrolleysRemote controlControl engineering
The utility model provides a remote control device of an explosion-proof diesel engine monorail crane, which relates to the technical field of monorail cranes and comprises a whole vehicle ECU (electronic control unit) of the explosion-proof diesel engine monorail crane, a remote control transmitting device and a remote control receiving device, the remote control receiving device is in signal connection with the whole vehicle ECU; the remote control transmitting device is used for a user to send a control instruction for the explosion-proof diesel engine monorail crane locomotive, and is used for converting the control instruction sent by the user into an operation signal and transmitting the operation signal to the remote control receiving device; and the remote control receiving device is used for receiving the operation signal, converting the operation signal into a corresponding control instruction and sending the converted control instruction to the whole vehicle ECU, so that the whole vehicle ECU controls the explosion-proof diesel engine monorail crane to execute the corresponding control instruction. According to the utility model, the wireless remote control technology is adopted to realize the remote control of the monorail crane, so that the potential danger of an operator during working is avoided, and the life safety of the operator is protected.
Owner:SHANDONG MENGLU MINING ENG CO LTD
Apparatus, methods, data, media and applications for testing micro-gap pressure in cement sheaths.
PendingCN122084187AImprove cementing qualityavoid potential dangerConstructionsFluid pressure measurement by acoustic meansMicro gapMechanics
This invention discloses a cement sheath micro-gap pressure testing device, method, data, medium, and application, relating to the field of oil and gas well sealing technology. It includes an outer casing and an inner casing, with the outer casing fitted over the outer side of the inner casing, forming an annular cavity between them; a sealing element that seals the inner cavity of the inner casing; a pressure injection system connected to the inner cavity of the inner casing; a pressure control system connected to the pressure injection system; an acoustic logging tool housed within the inner cavity of the inner casing; a logging control system connected to the acoustic logging tool; a micro-gap size acquisition system; and a data association system. This invention can simulate the generation and evolution process of cement sheath micro-gap under varying downhole pressure conditions, establish a calibration relationship between acoustic response and micro-gap state, and provide experimental basis for evaluating cement sheath sealing integrity and optimizing cementing quality.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Diameter expanding and cooling method for flat aluminum sleeve cable
PendingCN119093237AOptimized diameter expansion methodeasy to useClimate change adaptationCable/conductor manufacturePolyvinyl chlorideElectric cables
The invention discloses a method for expanding and cooling a flat aluminum sleeve cable, and relates to the technical field of cables. A flat aluminum sleeve cable diameter expanding and cooling method comprises the following steps that a flat aluminum sleeve cable to be installed is taken, and the installation side position section of the flat aluminum sleeve cable is straightened and straightened; removing an outer sheath and a flat aluminum sleeve on the installation side position section of the flat aluminum sleeve cable, wherein the removal length of the outer sheath is greater than the removal length of the flat aluminum sleeve; wrapping a layer of PVC (Polyvinyl Chloride) tape on the exposed buffer layer position section of the flat aluminum sheath cable after the flat aluminum sheath is removed; expanding a pipe orifice of the flat aluminum sleeve to form a trumpet-shaped structure; and the trumpet-shaped structure position of the flat aluminum sleeve is polished to remove sharp corner burrs. According to the invention, a novel diameter-expanding cooling method for the flat aluminum sleeve cable is developed, the diameter-expanding method for the flat aluminum sleeve cable is optimized, the internal structure of the cable can be prevented from being damaged by welding high-temperature heat during cable welding operation, the cable is protected, and the applicability is good.
Owner:QINGDAO HANHE CABLE
Driver driving behavior detection method
PendingCN119495082AImprove reliabilityImprove visibilityAcquiring/recognising eyesReal-time computingAutomotive engineering
The invention provides a driver driving behavior detection method, and belongs to the technical field of behavior detection, and the method comprises the steps: obtaining a safety equipment image when a driver drives through a camera disposed in a vehicle unit, and carrying out the enhancement processing of the safety equipment image, and obtaining an enhanced driver driving image; performing face feature point detection on the driver by using a Retina Face algorithm, and analyzing the driving state of the driver by extracting eye features and mouth features of the driver; an improved Small-Goals-Yov8 model is constructed, and the weight of the improved Small-Goals-Yov8 model is utilized to carry out prediction; and according to the extracted driving state and the prediction result, alarming and reminding the non-standard driving behavior of the driver to complete the detection of the driving behavior of the driver. The problems that an existing driver driving behavior detection device is high in deployment difficulty, high in cost and difficult to maintain are solved.
Owner:LIAOCHENG UNIV
Oxidation tank capable of conveniently treating fallen materials and matched device
ActiveCN222294231UEasy to take outsave human effortAnodisationProcess efficiency improvementProcess engineeringHolding tank
The utility model discloses an oxidation tank capable of conveniently treating fallen materials and a matched device, and relates to the technical field of oxidation tanks, the oxidation tank comprises an oxidation tank assembly and a separation assembly, and the separation assembly is arranged in the oxidation tank assembly; the lifting assembly is used for providing power for the separation assembly; the liquid conveying assembly is used for conveying liquid in the fallen material containing groove to the oxidation groove; the material taking assembly is arranged on the side face of the fallen material containing groove, and the material taking assembly is used for taking out fallen materials in the fallen material containing groove; according to the utility model, through the matching of the oxidation tank assembly and the separation assembly, the oxidation tank assembly can be divided into the oxidation tank and the fallen material accommodating tank, so that fallen materials can be conveniently taken out; by arranging the liquid conveying assembly, liquid in the falling material containing groove can be conveyed into the oxidation groove, and falling materials and the liquid are separated; according to the utility model, the material taking assembly is arranged, so that separated blanking materials can be taken out conveniently.
Owner:CITIC DICASTAL CO LTD
Oil supply valve with good stability
ActiveCN222543152USmooth navigationRealize precise controlServomotor componentsCheck valvesRatchetOil supply
The utility model relates to the technical field of oil supply valves, and discloses an oil supply valve with good stability, which comprises a valve body and a shell, a stabilizing mechanism is arranged in the valve body, the stabilizing mechanism comprises a rotating shaft, a ratchet wheel, a pawl, a second spring and a plurality of rotating blades, a pressure spring is fixedly arranged in the valve body, a clamping block is fixedly arranged at the lower end of the pressure spring, and the clamping block is fixedly connected with the ratchet wheel. A pressure relief opening is formed in the portion, close to one side, of the interior of the valve body, an oil return pipe is fixedly arranged on one side of the valve body, an oil inlet pipe is fixedly arranged on one side of the interior of the valve body, and a sealing ring is arranged in a clamping block in a clamped mode. During use, oil enters the valve body through the oil inlet pipe and enables the stabilizing mechanism to be started, the oil pushes the rotating blades to rotate, the oil outlet amount is controlled, oil supply stability is guaranteed, if the pressure in the valve body is large, the oil extrudes the clamping block to enable the clamping block to slide, and the clamping block is prevented from sliding. And the oil returns into the oil inlet pipe through the oil return pipe, so that the protection effect is started.
Owner:XIAN HUARUI ZHENRONG INFORMATION TECHNOLOGY CO LTD
Insulating rod and rope leakage current monitoring device
The utility model discloses an insulating rod and rope leakage current monitoring device, which comprises a host, a fixed clamp and a movable clamp, the fixed clamp is arranged at the top of the host, the movable clamp is hinged to the top side of the fixed clamp, a semi-circular semi-core cylinder is arranged between the fixed clamp and the movable clamp, and the fixed clamp and the movable clamp are hinged to the top side of the fixed clamp. The two groups of half core cylinders form a separable cylindrical structure; and a locking mechanism for locking the movable clamp is arranged on the opening side of the top of the fixed clamp. The beneficial effects of the utility model are that two groups of half core cylinders with adjustable sizes are arranged as a live working tool clamping monitoring structure, live working tools with different sizes can be monitored in real time, leakage current of an insulating rod and an insulating rope is ensured to be continuously monitored, potential risks caused by overhigh leakage current are avoided, and the working efficiency is improved. The application range is wider; and meanwhile, the movable clamp with the locking mechanism is arranged to be matched with the fixed clamp to clamp the hot-line work tool, so that the clamping stability and the clamping opening and closing operation speed in the monitoring process can be improved.
Owner:DIANYI SCI & TECH DEV (JIANGSU) CO LTD +2