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46results about How to "Reduce malfunction" patented technology

Sucker clamp structure for solar silicon wafer detection robot

The invention discloses a safety protective fence for overhaul and maintenance of a transformer substation, and belongs to the field of clamps. A suction cup clamp structure for a solar silicon wafer detection robot comprises a mounting cylinder, the bottom of the mounting cylinder is fixedly connected with a conical disc, one side face of the mounting cylinder is provided with an extraction opening, a connecting cylinder is arranged in the mounting cylinder, and two gas storage structures are arranged in the connecting cylinder; two sealing rings; through the arrangement of the connecting cylinder, on one hand, a part of air can be conveyed to the sealing ring to fill and expand the sealing ring, the sealing ring is prevented from being greatly deformed after being used for a long time, so that the adsorption and taking stability of the clamp is improved, the fault phenomenon is reduced, and meanwhile, when a workpiece is taken next time, the work efficiency is improved. The other part of airflow extracted in the connecting cylinder in advance can be conveyed out to blow and clean the bottom surface of the sealing ring, the trouble of manual maintenance is omitted, operation is convenient and fast, and the sealing performance is good.
Owner:ZHEJIANG CHANGKE CERAMICS NEW MATERIAL CO LTD

Motor controller with novel anti-surge protection circuit and ECM motor

A, B and C three-phase power supply lines are formed on the alternating current input side of a three-phase power supply, one end of a piezoresistor VAR1 is connected with the A-phase power supply line, one end of a piezoresistor VAR2 is connected with the B-phase power supply line, one end of a piezoresistor VAR3 is connected with the C-phase power supply line, and the other end of the piezoresistor VAR4 is connected with the C-phase power supply line. The other ends of the piezoresistor VAR1, the piezoresistor VAR2 and the piezoresistor VAR3 are connected with a common point G. After the discharge tube SPG1 and the discharge tube SPG2 are connected in series, the two ends of the discharge tube SPG1 and the two ends of the discharge tube SPG2 are connected with the common point G and a grounding point PE respectively. The two ends of the discharge tube SPG1 are connected in parallel with a safety capacitor C1, and the two ends of the discharge tube SPG2 are connected in parallel with a safety capacitor C2. The surge absorption effect is good, the protection performance is excellent, the insulation and voltage resistance requirements of products are considered, pulse current peaks generated in the conduction process of the discharge tubes are inhibited, EMI parameters are improved, and misoperation is reduced.
Owner:BROAD OCEAN MOTOR (WUHAN) RESEARCH INSTITUTE CO LTD

Self-energized intelligent spacer based on galloping energy collection

A self-energized intelligent spacer based on galloping energy collection is characterized in that a vibration energy collector is embedded in a double-pendulum anti-galloping part and is responsible for converting mechanical energy generated by galloping into electric energy, and an energy management circuit improves output power through a matching circuit and then rectifies and boosts the energy to store the energy in an energy storage element to be used by a force monitoring system and a data interconnection terminal. The intelligent monitoring system stress module deposits the dielectric printing substrate, the capacitive flexible strain electrode and the protective layer at the joint of the connecting rod and the body frame through aerosol printing, and the center of the connecting rod converts the stress condition into an electric signal and transmits the electric signal to the data interconnection module. And the data interconnection module realizes interconnection communication between the spacers and between the spacers and the intelligent power grid terminal through a low-power-consumption communication chip, and uploads data to a cloud platform through the intelligent power grid terminal, thereby realizing cloud monitoring of the line state. The integrated intelligent manufacturing technology is adopted, the integration degree is high, and the strain gauges are high in strain coefficient, low in hysteresis and high in stability.
Owner:NANJING NORMAL UNIVERSITY

Intelligent power supply method and system for data center based on real-time load dynamic adjustment

The application relates to the technical field of power supply control, and discloses a data center intelligent power supply method and system based on real-time load dynamic adjustment, which comprises the following steps: collecting operation data; performing association processing to determine power supply topological relations and load corresponding relations; obtaining a load change trend; combining the power supply topological relations, the load corresponding relations, power supply state data and energy storage state data to determine a current minimum power supply capacity and generate a candidate adjustment action set; performing risk judgment on the operation data; when the load change trend meets a pre-waking trigger condition or a power supply risk state meets an adjustment trigger condition, performing executability verification on the candidate adjustment action set and generating a power supply linkage adjustment strategy; and implementing the power supply linkage adjustment strategy in stages according to a preliminary execution and a submission execution. The application realizes linkage adjustment of the sleep and pre-waking of a power supply module in a data center scene, and the linkage adjustment considers energy-saving effect, power supply reliability and dynamic response capability.
Owner:RANGE TECH DEV CO LTD

Digital human interaction control method and device based on multi-modal

PendingCN122389919AAccurately capture instant intentionsimprove accuracyInteraction controlFeature vector
The application discloses a multi-modal-based digital human interaction control method and device, and relates to the technical field of artificial intelligence digital human, and specifically comprises the following steps: collecting multi-source heterogeneous multi-modal data of user interaction with a digital human in real time; constructing a dynamic adaptive multi-modal space-time hypergraph Transformer network, deeply fusing the multi-source heterogeneous multi-modal data, and obtaining a fused interaction feature vector; generating a multi-dimensional interaction situation tensor based on the fused interaction feature vector; generating a digital human response action sequence, voice content, expression posture and interaction strategy according to the multi-dimensional interaction situation tensor, and driving the digital human to execute; acquiring feedback data of the digital human after executing the response in real time, and optimizing parameters of the dynamic adaptive multi-modal space-time hypergraph Transformer network based on the feedback data; and effectively improving the naturalness and response accuracy of digital human interaction, and reducing the interaction misunderstanding rate and user cognitive load.
Owner:DUOXIANG (XIAMEN) INTELLIGENT TECH CO LTD

Multi-degree-of-freedom walnut tree branch pruning mechanical arm

The utility model relates to the technical field of agricultural mechanical equipment, and discloses a multi-degree-of-freedom walnut tree branch pruning mechanical arm which comprises a chassis, a mechanical arm body is arranged above the chassis, one end of the mechanical arm body is rotationally connected with a rotating shaft, the upper surface of the rotating shaft is fixedly connected with a connecting block, and a hydraulic cylinder is fixedly installed in the connecting block; the output end of the hydraulic cylinder is fixedly connected with a mounting block, an electric saw is fixedly mounted on the upper surface of the mounting block, and one side of the hydraulic cylinder is fixedly connected with a fixing rod. The telescopic structure that the double electric clamping jaws are matched with the sliding frame is adopted, the clamping distance can be flexibly adjusted according to the thickness and length of branches, the clamping stability and adaptability are remarkably improved, meanwhile, the clamping jaw gear connecting position can be conveniently lubricated, and the phenomenon that equipment is stuck or breaks down due to long-time friction is reduced; and the height of the mechanical arm body can be conveniently adjusted, and the flexible adaptability of pruning operation under different tree height conditions is improved.
Owner:XINJIANG UNIVERSITY

A self-locking switch and docking station

ActiveCN224625402UReduce malfunctionImprove reliability
This application provides a self-locking switch and a docking station. The self-locking switch includes a housing, a locking member, and a rocker arm. The housing has a receiving cavity, and at least a portion of the rocker arm is located within the receiving cavity. The self-locking switch has a locked state and an unlocked state. When the self-locking switch is in the locked state, the locking member is connected to the rocker arm to restrict the rocker arm's movement. When the self-locking switch is in the unlocked state, the locking member is disengaged from the rocker arm to prevent the rocker arm's movement. The locking member is movably disposed within the receiving cavity to allow the self-locking switch to switch between the locked and unlocked states. The self-locking switch of this application embodiment has high reliability.
Owner:SHENZHEN BASEUS TECH CO LTD

Lifter with lifting type car hall

The invention relates to the technical field of mechanical parking equipment, in particular to a lifter with a lifting type car hall, which comprises a lifter body mounted in a garage hoistway, a movable car hall is arranged above the lifter body, and a lifting mechanism for driving the movable car hall to ascend or descend is arranged below the movable car hall. The lifting mechanism comprises a driving motor installed in the garage hoistway, a car hall rack arranged in the height direction of the movable car hall is fixedly connected to the inner wall of the movable car hall, stand columns are fixedly connected to the bottom in the garage hoistway, each set of stand columns comprises two stand columns, and the same transmission shaft is rotationally connected between the two stand columns. The upper end of the stand column close to the driving motor is rotationally connected with a transmission chain wheel, an output shaft of the driving motor is fixedly connected with a driving chain wheel, a chain is arranged between the transmission chain wheel and the driving chain wheel in a sleeved mode, the transmission shaft is fixedly connected with a driving gear, and the driving gear is meshed with the car hall rack. The underground garage has the effect that the fire fighting truck can pass through the underground garage.
Owner:北京首嘉钢结构有限公司

A circuit breaker and a control method

ActiveCN111223725BImprove stabilityReduce malfunction
The present invention provides a circuit breaker and a control method, the circuit breaker comprising: a built-in controller connected to a trip unit through a relay contact, used to send a control signal to the trip unit and provide power to the trip unit; a signal interface connected to the trip unit through a relay contact, used to receive a control signal and power sent by a remote control terminal; the built-in controller is connected to the relay contact through its internal trip unit interface. By implementing the present invention, a trip unit slot is vacated inside the circuit breaker, interference points are reduced, and the stability of the entire circuit breaker is enhanced. At the same time, the relay is used to filter the disturbance signal to reduce the malfunction of the trip unit.
Owner:JUBANG GRP CO LTD

A new energy power system low frequency off-grid automatic control method and device

The present invention relates to the technical field of electric power system, specifically, a low-frequency off-grid automatic control method and device for a new energy electric power system, a fixed platform, and an automatic control device further comprising: an adjustment component is installed on the upper surface of the fixed platform, for actually removing the load; the adjustment component comprises a primary rotating member, a secondary rotating member and a tertiary rotating member, the primary rotating member is completely identical to the tertiary rotating member, the primary rotating member contacts one of the secondary rotating members, and the other secondary rotating member contacts the tertiary rotating member; a crossover connector is fixedly arranged at the bottom of the tertiary rotating member. It can realize the simultaneous opening and closing of multiple load switches, and can also realize the simultaneous opening of some load switches according to the actual situation of the power grid, while the rest are in a closed state. Through the setting of the crossover connector, two non-adjacent load switches can be controlled to be connected, and two non-adjacent load switches can be disconnected.
Owner:ANHUI YIHE INTELLIGENT TECH CO LTD

A method and system for active cut-out control of wind turbine turbulence tailing

ActiveCN114508454BGuarantee development and constructionGuaranteed continuityAir velocityTurbine
The application discloses a kind of active cut-out control method and system of wind turbine turbulence tailing, this method includes steps: 1) in the process of wind turbine operation, obtain the turbulence information and wind speed information of wind turbine;2) turbulence information and wind speed information are compared with corresponding preset threshold respectively;When turbulence information and wind speed information are all greater than corresponding preset threshold, then determine turbulence tailing, enter turbulence tailing active cut-out control.The application has the advantages of safe and efficient, easy to implement, strong universality etc..
Owner:CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO LTD

Intelligent adjusting device and method for apron board of conveyor

The invention discloses an intelligent adjusting device and method for an apron board of a conveyor, the device comprises a mounting bracket, a guide chute, an apron board assembly and a driving assembly, a plurality of flexible connecting pieces are additionally arranged, the flexible connecting pieces are connected between the driving assembly and the apron board assembly, and pressure sensors are packaged in the flexible connecting pieces. The elastic body of the flexible connecting piece is used for transmitting the adjusting driving force output by the driving assembly and can deform based on the counter-acting force of the belt, so that the apron board assembly can carry out passive self-adaptive following on the dynamic deformation of the belt, and meanwhile, a high-fidelity pressure signal for filtering vibration interference is provided for the sensor. Through the unique flexible sensing and force transmission integrated design, the problems that in the prior art, a sensor signal is prone to being interfered, the service life is short, and the apron board cannot be dynamically self-adapted are solved, and stable, accurate and self-adaptive adjustment of the sealing pressing force of the apron board is achieved.
Owner:XIAMEN SAN-VISION CO LTD

Double-mother-pipe blast furnace air distribution method and system

The invention discloses a double-mother-pipe blast furnace air distribution method which comprises the following steps: when a signal indicating normal operation of any unit is received, the unit is controlled to enter fan interlocking input, and the state of the unit is latched by a first register; and when receiving signals that any one electric air dispensation valve is closed in place, the pneumatic air dispensation valve is closed in place, the pressure of the two blast furnace air pipe mother pipes is greater than preset pressure and any two units are in fan interlocking input, latching a judgment result through a second register, and sending an air dispensation system trial input permission operation signal to a control end. When a certain unit breaks down or is abnormal, a standby unit can be rapidly and accurately started or other emergency measures can be taken, the air distribution logic and flow can effectively reduce misoperation or rejection of an air distribution system caused by error signals, the operation stability of the blast furnace is improved, slag filling accidents of the blast furnace are avoided, and the service life of the blast furnace is prolonged. And production interruption and safety accidents are avoided.
Owner:WUHAN IRON & STEEL GRP ECHENG IRON & STEEL CO LTD

A cooling device for wind power inverters

This utility model discloses a cooling device for a wind power inverter, belonging to the field of cooling devices. It includes a base, an inverter body, a cover, a support frame, and a serpentine cooling pipe. One end of the serpentine cooling pipe is connected to a liquid cooling pipe reversing structure. The liquid cooling pipe reversing structure includes a main circulation pipe, a pressure sensor, a reversing metal ball, a normal operating pipe, a spare pipe, a support base, and an electric push rod. A pressure sensor is installed on the outside of the main circulation pipe. One end of the main circulation pipe is connected to the normal operating pipe and the spare pipe. An arc-shaped groove is formed between the normal operating pipe and the spare pipe, and a reversing metal ball is installed on the arc-shaped groove. A support base is installed on the outside of the normal operating pipe and the spare pipe, and an electric push rod is installed on one side of the support base. Through the coordinated use of these devices, it can better adapt to the complex environments common in wind power scenarios, such as vibration and high / low temperatures, ensuring the stable operation of the cooling system under harsh conditions.
Owner:安徽双亦机电有限公司

Air cushion furnace strip rectifying device based on tension compensation

ActiveCN224619234Uavoid linkageImprove the correction effect
This invention provides a strip alignment device for an air cushion furnace based on tension compensation, used for strip alignment. It includes a fixed frame; an alignment frame mounted on the fixed frame; an alignment roller mounted on the alignment frame; a strip position sensor located at one end of the strip output for detecting the strip position and sending a first detection signal; a control console for generating a first control signal based on the first detection signal; and a hydraulic cylinder, one end of which is mounted on the fixed frame and the other end on the alignment frame, driving the alignment frame according to the first control signal. The beneficial effects of this invention are that the anti-breakage roller and the alignment roller work together to synchronously adjust the strip tension distribution during alignment, effectively avoiding strip breakage caused by localized stress concentration; and by combining the strip position with the alignment roller displacement, the control console can identify deviations caused by mechanical clearance or hydraulic drift, generating more precise control signals.
Owner:ТЕНОВА ТЕКНОЛОДЖИЗ (ТЯНЬЦЗИНЬ) КО., ЛТД.

A european box transformer

ActiveCN120879343Breduce splashReduce malfunctionElectric machineDrive motor
The application relates to a European box transformer and relates to the technical field of box-type substations, which comprises a box body, the top of the box body is provided with a connecting mounting plate, the mounting plate is provided with a pressure relief cylinder penetrating through the top surface of the box body, a pressure relief film, a foamed metal block and an annular base are sequentially arranged in the pressure relief cylinder, a fire extinguishing device and a heat dissipation device are arranged in the box body, the fire extinguishing device comprises an air bag, a clamping block and a bimetallic strip, the heat dissipation device comprises a driving motor, a driving pipe and a fan blade, and a temperature sensor and a photosensitive sensor are further electrically connected with the driving motor. The application has the effects of effective pressure relief, fire extinguishing and heat dissipation. When the temperature in the box body is abnormal, timely response can be realized, the fire is extinguished by releasing fire extinguishing gas through the rupture of a heat-sensitive microcapsule layer, the heat dissipation device is started to dissipate heat by using a temperature sensor, and the spring sheet vibration sound plays an alarming role when pressure relief.
Owner:MINDIAN ELECTRIC CO LTD

Fully-sealed pole-mounted circuit breaker with external disconnecting switch

According to the fully-sealed pole-mounted circuit breaker with the external disconnecting switch, on the basis that an original lower box body is not changed, the disconnecting switch on the upper portion is set to be open, an isolating main shaft and an isolating crank arm rotationally connected with the isolating main shaft are arranged in the lower box body, and an isolating operation handle for controlling the isolating main shaft to rotate is correspondingly arranged on the isolating main shaft in a matched mode. A supporting column on the lower box body is hinged to a flexible connecting rod of the moving contact assembly, an isolation connecting lever is hinged to an insulation connecting lever of the moving contact assembly through a pull rod, and a telescopic sleeve is arranged on the pull rod in a sleeving mode, so that on the basis of insulation sealing, it is guaranteed that a fracture is delicious, and the habits of electric power operators are better met.
Owner:BEIJING PINGGAO QINGDA TECH DEV CO LTD +2

A composite fully enclosed load-type ejection fuse

The present invention discloses a composite fully enclosed load-type ejection fuse, which relates to the field of power conversion technology, including a fixing component, a mounting component and a power conversion component, wherein the power conversion component is used to convert the circuit to a fuse with suitable power according to the fault current characteristics and working current of the circuit to be protected. The present invention detects and checks the circuit fault through a circuit fault monitoring system, and connects the protection circuit to a fuse body of a suitable power model according to the detection result, thereby reducing the probability that the fuse cannot work due to an unclear fault. In the actual use process, a fuse of suitable power specification can be selected according to the specific situation of the circuit and the power quality parameters, thereby expanding the applicable scope of the fuse, so that the fuse can be applied to situations with different output powers under the same protection circuit.
Owner:BAODING TONGLI ELECTRIC EQUIP CO LTD

Polishing device and polishing method for inner wall of metal bent pipe

The invention discloses a polishing device and a polishing method for the inner wall of a metal bent pipe, and belongs to the field of polishing devices. A polishing device for the inner wall of a metal bent pipe comprises a base, a grinding wheel is arranged above the base, a driving assembly for driving the grinding wheel to operate is arranged at one end of the grinding wheel, a clamping and fixing assembly is arranged on one side of the grinding wheel, and a fixing ring is fixedly installed on the surface of one side of the clamping and fixing assembly; the rotating disc can rotate; through mutual cooperation of the arranged assemblies, the grinding wheel automatically stretches into the inner wall of one end of a workpiece and conducts grinding and polishing operation around the periphery of the inner wall of the workpiece, the placing position of the clamped workpiece can be adjusted in a self-adaptive mode according to the shape characteristics of the workpiece, the machining precision of the device is improved, and the machining efficiency is improved. And meanwhile, in the machining process, metal chippings raised at the clamping and fixing assembly can be automatically collected and treated, the working environment is protected, meanwhile, the machining stability of the device is improved, and the fault phenomenon is reduced.
Owner:JIANGSU ZHONGQIANG INTERNAL COMBUSTION ENGINE FITTINGS

Magnetic latching relay control circuit and charging pile

ActiveCN119626838Aavoid changeReduce malfunctionRelaysControl theoryControl circuit
The invention provides a magnetic latching relay control circuit and a charging pile. The magnetic latching relay control circuit comprises a first driving module; the first driving module comprises a first pull-in unit, a first disconnection unit and a first enabling unit; the first enabling unit is connected with the first coil through the first pull-in unit, and the first enabling unit is connected with the second coil through the first disconnection unit; the input end of the first enabling unit is used for inputting a first enabling signal, the input end of the first pull-in unit is used for inputting a first pull-in signal, and the input end of the first disconnecting unit is used for inputting a first disconnecting signal; when the first enable signal and the first pull-in signal are high-level signals, the first enable unit, the first pull-in unit and the first coil are communicated, and the first relay is controlled to be closed; when the first enabling signal and the first disconnecting signal are high-level signals, the first enabling unit, the first disconnecting unit and the second coil are connected, and the first relay is controlled to be disconnected. According to the invention, misoperation of the relay can be reduced.
Owner:SHENZHEN KEHUA HENGSHENG TECH

Ceramic module ferrule in-line surge cut-off method and surge protector thereof

The application discloses a ceramic module plug-in core series surge cut-off method and a surge protector thereof, and belongs to the technical field of surge protection, which comprises a surge protection circuit composed of a plurality of ceramic module plug-in core units in series, wherein each plug-in core unit is provided with a surge absorption assembly and a thermal trip assembly; when a surge event occurs, the nonlinear capacitive reactance migration factor and the longitudinal equivalent coupling impedance mutation rate of the surge absorption assembly in each plug-in core unit are detected, and whether a set cut-off threshold is reached is judged according to the same, and a thermal trip action is triggered to realize module-level circuit breaking; the position and response time of the cut-off event are recorded to a memory guide layer in a coding mode for subsequent non-contact scanning identification; after the system is restored, the cut-off arm can be automatically reset through an external excitation mode to restore the conduction state; the application realizes multiple technical effects of accurate surge response, traceable events and reusable modules, and is suitable for surge protection in high-density electronic equipment and intelligent power systems.
Owner:YUEQING TAIKE ELECTRONICS

Board level structure and electronic device

Embodiments of the present application provide a kind of board level structure and electronic equipment, it is related to electronic equipment technical field.The board level structure includes substrate, camera module, power supply wiring and suspension coil.Wherein, power supply is equipped on substrate.Cameras module is set to substrate, and cameras module includes magnetic component.At least part of power supply wiring is located at the outside of cameras module.At least part of suspension coil is located between cameras module and power supply wiring, when power supply inputs periodic variation input current to power supply wiring, coupling current with input current frequency same, opposite direction is generated in the suspension coil between cameras module and power supply wiring.The board level structure can reduce the electromagnetic interference that power supply wiring generates to the magnetic component in cameras module by setting suspension coil, and it is convenient to wiring, can solve the problem of higher difficulty in wiring in related art.
Owner:HONOR DEVICE CO LTD

Data center intelligent power supply method and system based on real-time load dynamic adjustment

The invention relates to the technical field of power supply control, and discloses a data center intelligent power supply method and system based on real-time load dynamic adjustment, and the method comprises the steps: collecting operation data; and performing association processing, and determining a power supply topological relation and a load corresponding relation. And obtaining a load change trend, determining the current minimum power supply capacity in combination with the power supply topological relation, the load corresponding relation, the power supply state data and the energy storage state data, and generating a candidate adjustment action set. And carrying out risk judgment on the operation data. And when the load change trend meets a pre-wake-up trigger condition or the power supply risk state meets an adjustment trigger condition, performing executable verification on the candidate adjustment action set, and generating a power supply linkage adjustment strategy. And implementing a power supply linkage regulation strategy in stages according to preparation execution and submission execution. According to the invention, in a data center scene, power supply module dormancy and pre-awakening are realized, and linkage adjustment of an energy-saving effect, power supply reliability and dynamic response capability is considered.
Owner:RANGE TECH DEV CO LTD

A thermal blanket limiting device

ActiveCN224597137UStable trigger shutdownSolve wear and tear
The utility model relates to a thermal -insulated quilt roll -out equipment technical field, concretely is a kind of thermal -insulated quilt limiting device, including base rod and the connecting rod connected with the base rod, two support tubes are fixedly arranged on base rod, rotatably connected with movable arm between two support tubes, the connecting rod on the side away from the support tube is fixed with adjusting assembly, and the adjusting assembly upper end is equipped with switch assembly. The utility model adopts the non-contact switch assembly of hall sensor and magnetic piece, replaces traditional mechanical contact structure, avoids the abrasion problem caused by mechanical friction, prolongs service life;Non-contact detection is not interfered with by greenhouse outside water vapor, dust simultaneously, greatly reduces malfunction or malfunction probability, ensures that roll-up curtain system stable trigger stop, reduces equipment damage, thermal -insulated quilt drop risk.
Owner:酒泉市农业科学研究院

A smart monitoring device for distribution transformers and its control method

This invention relates to the field of distribution transformer technology and discloses an intelligent monitoring device and control method for distribution transformers, comprising: acquiring infrared thermal images of radiators, extracting brightness periodic features through spectrum analysis to determine fin pitch, and determining the effective height according to the target area size; preprocessing the thermal image brightness values, calculating the transverse and longitudinal second-order structure functions within the fin pitch-related scale range and fitting scaling exponents to obtain the span-to-span structure function exponent difference, and outputting the exponent difference estimate end-to-end through a convolutional neural network containing a structure function calculation layer; converting the exponent difference estimate into an allowable load tightening coefficient through monotonic mapping; calculating the nominal allowable load by combining operating parameters and a hot spot temperature rise model, and correcting it with the coefficient to obtain the actual allowable load; comparing the current operating load with the actual allowable load, and automatically issuing contact point and load adjustment control commands when exceeding the limit, thereby realizing adaptive load limiting control based on image data.
Owner:SHANDONG BOTAI ELECTRICAL EQUIP CO LTD

Anti-freezing check valve

The utility model discloses an anti-freezing check valve, which relates to the technical field of check valves and comprises a valve body, an anti-freezing component is mounted on the valve body and comprises a liquid storage tank, the liquid storage tank is fixedly mounted outside the valve body, and a storage battery is fixedly mounted at the top end of the liquid storage tank. The two sides of the interior of the liquid storage tank are each fixedly provided with three heating rods which are distributed at equal intervals, the two sides of the storage battery are each fixedly connected with three connecting wires which are distributed at equal intervals, the other ends of the connecting wires are fixedly connected with the top ends of the corresponding heating rods, and one side of the liquid storage tank is fixedly provided with a liquid injection nozzle. The anti-freezing assembly is used for carrying out low-temperature protection on the valve body, the performance of the valve body in the low-temperature environment can be effectively improved, the service life of the valve body in the low-temperature environment can be effectively prolonged, the valve fault phenomenon caused by too low air temperature is reduced, meanwhile, due to the existence of the anti-freezing solution, the anti-freezing effect of the check valve can be enhanced in the low-temperature environment, and therefore faults are reduced, and use is convenient.
Owner:ZHEJIANG BODA VALVE CO LTD

A water level sensing circuit for a tea bar machine

This utility model discloses a water level sensing circuit for a tea bar machine, including a power supply circuit, a control unit, and an actuator. The control unit is electrically connected to the actuator. The power supply circuit is electrically connected to an overvoltage protection circuit, which is also electrically connected to the control unit. The control unit is electrically connected to an anti-interference water level detection circuit. This utility model, by combining a differential amplifier U1 with a multi-stage filtering network, significantly suppresses electromagnetic interference and signal noise caused by water surface fluctuations, solving the problem of accidental triggering, improving the stability and accuracy of the water level detection signal, greatly reducing the probability of malfunction, and enhancing the overall reliability and user experience. Furthermore, the overvoltage protection circuit can quickly cut off the power supply to subsequent stages when abnormally high voltage occurs, forming an effective protective barrier for the control unit and the anti-interference water level detection circuit, thus improving safety.
Owner:ZHENGZHOU YUELONG INFORMATION TECHNOLOGY CO LTD

A condensation-proof and moisture-proof protection system for an offline bus and a control method thereof

The application provides a condensation-proof and moisture-proof protection system for an offline bus and a control method thereof, and belongs to the technical field of operation protection of power equipment. The system comprises an air source drying treatment unit, an intelligent control and air supply unit, a monitoring and imaging unit, a man-machine interaction unit and a data recording and tracing unit. The air source drying treatment unit is used for performing freezing drying, micro-heat adsorption drying and filtering treatment on compressed air to obtain dry and clean gas; the intelligent control and air supply unit is used for collecting information about the internal pressure, humidity and air source state of the bus cylinder, performing automatic air source switching, air supply valve start-stop control and forced condensation-proof protection; and the monitoring and imaging unit is used for obtaining real-time pictures inside the bus cylinder and assisting in identifying condensation risk. The application can effectively inhibit the influence of condensation and moisture on the insulation performance during the operation or shutdown of the offline bus, and improve the operation safety and reliability of the bus system.
Owner:THE BEIJING TANG HONGYUAN TECH +2

Mine environment monitoring linkage multi-voltage power management control method

PendingCN122600092AAvoid power lossSolve the problem of synchronization failure
This invention discloses a multi-voltage power supply management and control method for mine environmental monitoring, relating to the field of mine power management technology. The method uses a PLC controller to synchronously collect data from the main power supply, backup power supply, auxiliary power supply, transformer, battery management system, and mine environmental parameters. These environmental parameters include at least methane concentration, smoke concentration, temperature, humidity, water level, and ventilation status. Based on the collected data, an environmental risk index and a power demand index are constructed, and the operating status is classified into normal, warning, emergency, and critical levels. This allows for optimal switching between the main, backup, and auxiliary power supply paths. This method enables coordinated control of mine environmental risks and power management, reduces switching impact, ensures continuous online operation of mine monitoring, communication, alarm, and interlocking links, and improves the safety and continuity of mine power supply.
Owner:SHANXI XINPENGYI ELECTRONIC TECH CO LTD

Wire harness diode integrated module plug

The utility model discloses a wire harness diode integrated module plug, which is composed of a head plug-in plug and a tail diode injection molding module, the head plug-in plug comprises a plug-in female end cavity in plug-in connection with a wire harness plug-in male end, and a plug-in terminal is arranged in the plug-in female end cavity and can be matched and connected with the plug-in male end. According to the utility model, on the premise of not being limited by wiring harness layout and diode positions, modularized control of a plurality of diodes can be easily realized, functional faults caused by poor tin soldering technology in a wiring harness processing process can be effectively reduced, after-sales maintenance and troubleshooting can be facilitated, and the production efficiency is improved. And meanwhile, the defects of product function failure and the like caused by an application environment in the application process of the product are also improved. And the overall stability and reliability of the wire harness are improved.
Owner:ECI HUIZHOU CABLE SCI & TECH CO LTD