20results about How to "Reduce malfunction" patented technology

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.

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.

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.

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.

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..

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The utility model relates to a kind of clamping cylinder execution method for pile grab, belong to cylinder execution technical field, it uses high-precision and high-reliability new type limit switch, improves the accuracy and stability of position detection.New type limit switch can more accurately detect cylinder position, reduce error and misoperation, improve the work efficiency and reliability of platform.Perfect execution mode and signal processing mechanism are designed, the automation and intelligent control of cylinder action are realized.The uncertainty and error of artificial judgment are avoided, the response speed and control precision of platform are improved, and the working strength and operation risk of operator are reduced.Combined with debugging and optimization process, platform performance is continuously improved, so that it can adapt to different working conditions and requirements.The flexibility and adaptability of platform in practical application are guaranteed, the service life of equipment is prolonged, and maintenance cost is reduced.

The utility model provides a protection circuit and device of an electric vehicle controller, and relates to the field of electric vehicle accessories. The circuit comprises a rectification unit, a first step-down unit, a second step-down unit, an MCU controller unit, a PWM-to-DAC unit and an electronic load unit which are sequentially connected in series, and also comprises a turning handle signal detection unit and a battery voltage detection unit which are respectively connected with the MCU controller unit, the output end of the rectification unit is connected with the electronic load unit. The output end of the first voltage reduction unit is connected with the electronic load unit. Wherein the input end of the rectifying unit is used for being connected with a three-phase line of a motor of the electric vehicle, the input end of the rotating handle signal detection unit is used for being connected with a rotating handle signal line of the electric vehicle, and the battery voltage detection unit is used for being connected with the output end of a power supply battery of the electric vehicle. The circuit can solve the problem of dredging the reverse charging current of the motor after the battery protection board is turned off, prevents the MOS tube of the controller from overvoltage breakdown, and protects the core device of the controller.

This utility model discloses a heat dissipation structure for a tabletop dual-burner induction cooker, relating to the field of kitchen appliance technology. The heat dissipation structure includes a shell, a heating mechanism, a printed circuit board assembly, and a heat dissipation mechanism. The shell has a receiving cavity and an air inlet and an air outlet respectively communicating with the receiving cavity. The heating mechanism includes a first coil and a second coil. The heat dissipation mechanism and the shell enclose a guide air duct communicating with the air inlet. The heat dissipation mechanism includes an axial fan disposed within the guide air duct. The guide air duct has multiple air vents, including a first air vent, a second air vent, and a third air vent. This utility model's technical solution, by employing a single axial fan and multiple air vents, optimizes the overall layout, ensuring efficient heat dissipation while reducing the number of parts and complex assembly steps such as related fasteners and wiring. This significantly simplifies the assembly process and reduces manufacturing costs and process difficulty.