28results about How to "Trigger precision" patented technology

The invention discloses a to-do list collection and processing method and system based on Java, and belongs to the technical field of computer software, collection and processing of to-do lists are achieved through feature dictionary matching, and the method comprises the steps that multi-source data are collected, a to-do feature dictionary is constructed, and to-do information is recognized through a multi-dimensional matching algorithm; the rear end constructs a layered architecture based on the SpringBoot and the SpringMVC, and the SpringMVC is used for providing a standard RESTfulAPI (Application Program Interface) and supporting to-do query and state updating functions; the front end adopts Vue3 + ElementPlus to realize a response type Web interface, and a back-end interface is called through Axios to realize efficient collaboration of the front end and the back end. According to the method, automatic access of multi-source heterogeneous data and extraction of the information to be handled are realized, the accuracy of identification of the backlogs is improved, and automatic classification, priority ranking, reminding triggering and state updating of the backlogs are realized.

The utility model is suitable for the field of automobile safety technology, provides a device of air bag before collision pops out, including crash beam, even distribution in the crash beam front end's several radar components, several radar components are used for eliminating detection blind area, install in the crash beam front end for identifying the infrared thermal imaging module of being collided object, even distribution in the crash beam front end and crash beam both sides extension area are used for protecting the several safety air bags of being collided object outside the car, even sliding is established in the crash beam for installing several safety air bags'sticking rod, even be established in the crash beam for assembling several safety air bags's mounting mechanism. The device of air bag before collision pops out provided by the scheme identifies the collision risk through radar component and infrared thermal imaging module, triggers the safety air bag, forms the ladder energy absorption with the crash beam, reduces the damage, and the safety air bag is installed independently, is convenient for replacement, reduces the maintenance cost.

The utility model provides an automatic pump which comprises a pump body, a driving assembly and a control assembly, the pump body is provided with a pump cavity and a floating cavity which are separated from each other, the driving assembly comprises an impeller located in the pump cavity and a motor driving the impeller to rotate, and the control assembly comprises a floating piece located in the floating cavity and a control circuit board electrically connected with the motor. The floating part is provided with a first position and a second position which are different in horizontal height, when the floating part is located at the first position and the second position, the floating part magnetically triggers a control signal of the control circuit board, the pump body further comprises a separation structure, and the separation structure is located between the floating part and the control circuit board; a separation structure is arranged between the floating part and the control circuit board, so that the floating part can trigger a control signal without being in contact with the control circuit board, the condition of poor contact or difficulty in separation is avoided, and the floating part is ensured to accurately trigger the control signal of the control circuit board.

The utility model provides a manual pressing type fire alarm device, which comprises a shell, a shell cover and a panel, the two opposite sides of the shell are provided with supporting plates, the upper end parts of the pair of supporting plates are provided with sliding chutes, the lower end parts of the pair of supporting plates are provided with inclined surfaces which are inclined downwards, the lower end part of the shell is internally provided with a first limiting bulge, and the lower end part of the shell is internally provided with a second limiting bulge; first sliding pieces are arranged on the two sides of the upper end of the panel, second sliding pieces are arranged on the two sides of the lower end of the panel, the first sliding pieces are embedded in the corresponding sliding grooves in a sliding mode respectively, the slopes stop the corresponding second sliding pieces respectively, and second limiting protrusions matched with the first limiting protrusions in a stopping mode are further arranged on the lower end of the panel. A fire alarm mark is further arranged on the edge of the upper end of the panel, the shell cover is buckled on the shell to cover the fire alarm mark, a contact switch and a reset spring are arranged between the panel and the shell, when the panel is pressed, the second sliding piece moves downwards along the inclined face to expose the fire alarm mark out of the shell, and the visibility and identifiability of fire alarm are improved.

The invention provides a self-powered geological disaster monitoring device which comprises a cabinet, the side wall of the cabinet is rotatably connected with a solar panel, and a light sensor is arranged in the solar panel; a solar light following module, a battery module and a disaster monitoring module are arranged in the cabinet, and the battery module is used for storing photovoltaic converted electric energy and supplying power to each module; the solar light following module comprises a control board card and a driving mechanism, the control board card is electrically connected with the light sensor and the driving mechanism, and the driving mechanism is used for adjusting the orientation of the solar panel; the control board card is configured to control the driving mechanism to move according to the incident angle of sunlight when the illumination intensity is greater than a preset threshold value; when the illumination intensity is smaller than a preset threshold value, the theoretical incident angle of sunlight is calculated through an astronomical algorithm, and the driving mechanism is controlled to move according to the theoretical incident angle. According to the invention, long-term stable self-power supply of the device in a field environment without a power grid is realized.

The invention discloses a photographing posture recommendation method and device and electronic equipment, and the method comprises the steps: obtaining a real-time photographing picture, carrying out the scene semantic recognition and target object feature extraction of the real-time photographing picture, and obtaining a target scene identifier and a target object parameter; selecting at least two candidate posture templates from a preset posture template library based on the target scene identifier; matching the target object parameter with a preset matching parameter of each candidate posture template to determine a recommended posture template; performing zooming adjustment on the feature points of the recommended posture template based on the proportion of the real-time shot picture, and displaying the adjusted feature points on a preview interface in a preset visual form in an overlapping manner; and detecting the similarity between the current posture of the target object and the recommended posture template in real time, and triggering a photographing prompt under the condition that the similarity meets a preset condition. Scenarized and personalized adaptation of posture recommendation is realized, user posture matching efficiency and photographing experience are improved, and accurate triggering of photographing time is ensured.

The invention relates to the technical field of semitrailers, in particular to a new energy driven particle powder material transportation semitrailer which comprises a data acquisition system, a data analysis system, a control system and a correction system. The data acquisition system acquires a parameter set and road condition information; the data analysis system judges a dominant abnormal state based on the pressure gradient and the electrification rate, and judges a recessive abnormal state based on the response amplitude; the control system adjusts torque distribution of a driving shaft or suspension damping based on the cooperation coefficient during dominant abnormity, and adjusts the suspension height and / or in-tank auxiliary vibration frequency based on the response damping ratio during implicit abnormity; and the correction system calculates the comprehensive change rate after the primary adjustment, and dynamically adjusts the preset comprehensive change rate in combination with the road condition information to judge whether the secondary adjustment is performed or not. According to the method, explicit and implicit abnormity accurate identification and secondary adjustment optimization in the particle powder material transportation process are achieved, and the transportation safety and the material fluidity are effectively improved.

The application provides a compressor pipeline vibration reduction control method, device and equipment, and the method comprises the following steps: receiving real-time detection data collected by a multi-dimensional detection assembly; determining whether the current state of the compressor pipeline meets a preset vibration reduction adjustment condition according to the current operating frequency of the compressor and the real-time detection data, and obtaining a determination result; if the determination result is yes, driving a heat transfer adjustment mechanism to adjust the memory alloy stiffness of a memory alloy vibration reduction mechanism by using the heat of the compressor pipeline; and / or adjusting the opening and closing degree of the mass block shell of a particle damping mechanism until each real-time operating state parameter in the real-time detection data meets the corresponding vibration reduction control requirement. The vibration reduction adjustment is accurately triggered, the vibration reduction and noise reduction effect of the compressor pipeline is improved, the memory alloy stiffness of the memory alloy vibration reduction mechanism is adjusted by using the heat of the compressor pipeline, the energy saving effect is realized, and the opening and closing degree of the mass block shell of the particle damping mechanism is dynamically adjusted, so that the balance between the vibration reduction effect and the energy consumption is realized.

This invention relates to the field of heavy-duty bearing design and application technology, specifically to a bearing creep control method and device based on variable interface performance. The device comprises an annular multifunctional variable interface layer between the bearing outer ring and the bearing housing. This interface layer is composed of stable anchoring units with high elastic modulus and high friction coefficient, and directional slip triggering units with low elastic modulus and low friction coefficient, periodically and alternately distributed along the circumference. The number of circumferential partitions is coprime to the number of bearing rollers, enabling directional, step-like triggering of controlled micro-creep. The surface of the interface layer is provided with a checkerboard or spiral groove network filled with a functional medium to achieve damping dissipation, lubrication protection, and stiffness regulation. An integrated grating displacement monitoring component is also included for graded judgment of creep state.

The utility model discloses a novel trigger structure of motor limit switch belongs to motor auxiliary tool technical field. The structure includes motor body, threaded output shaft, special-shaped nut and respectively set in the lower limit switch and upper limit switch of threaded output shaft bottom and motor one side. The upper limit switch can be carried out height adjustment through the adjusting hole on the mounting support, thereby and the lower limit switch cooperation realizes the flexible adjustment to motor rotation circle number, makes the user to be able to according to actual demand self -definition stroke end position, significantly improves the applicability and flexibility of equipment. In addition, by arranging two limit switches staggered, effectively optimize longitudinal space structure, help to realize the miniaturization of adjustable circle number electric valve controller, and respectively accurate control positive and negative two directions limit position. Special-shaped nut can reliably, accurately trigger corresponding limit switch in the up and down movement of threaded output shaft, and operation is stable, response is accurate.

The invention relates to the technical field of sorting machine control, in particular to a high-speed sorting system based on operation state perception, which comprises a load density quantification module, an operation level regulation and control module, a theoretical time sequence resolving module, a response lag compensation module and a closed loop execution feedback module. According to the invention, the real-time operation density is quantified by collecting the shielding pulse at the inlet of the sorting machine, and the operation speed gear of the box-type conveying sorting machine is dynamically matched according to the real-time operation density, so that the self-adaptive balance of energy consumption and productivity in the manufacturing process management is realized; a global coordinate system is utilized to map the real-time position of goods, a filtering algorithm is combined to predict and compensate mechanical response lag, time sequence drift caused by aging and abrasion of equipment is effectively eliminated, and operation state perception is formed based on deep mining of data such as a pulse sequence and execution feedback so as to construct a closed-loop updating mechanism. Control parameters can be corrected in real time to offset environmental interference, it is ensured that the sorting executing mechanism can be accurately triggered in different operation states, and the problem of synchronous errors caused by mechanical characteristic changes is solved.

The present application relates to the technical field of automatic machining equipment for shaft parts, in particular to a transmission shaft automatic production line equipment, comprising a walking center machining center, a feeding mechanism, a conveying track, a plurality of box bodies and an adjusting mechanism; the plurality of box bodies move in a cycle along the conveying track, a vertical hole for placing a transmission shaft is arranged in the middle part of the box body, and a supporting assembly is arranged in the box body, which is used for limiting the downward stroke of the transmission shaft; the adjusting mechanism comprises a detection assembly and a rotary driving assembly, the detection assembly is used for detecting the falling state of the transmission shaft, and the rotary driving assembly is used for driving the self-rotation of the transmission shaft. The walking center machining center, the conveying track, the box body, the supporting assembly and the adjusting mechanism are arranged, so that the transmission shaft is independently separated and orderly arranged, and stacking, collision and scratching in the circulation are prevented.

This utility model relates to the field of antenna assembly production equipment technology, and in particular to an antenna assembly transfer carrier device, comprising: a carrier base plate, wherein there are two carrier base plates, and the two carrier base plates are arranged vertically to form a transfer carrier; a reference base, wherein the reference base is fixed on the upper surface of the upper carrier base plate, and a plurality of limiting blocks are fixedly installed on each reference base; a driving component is arranged between the carrier base plates; and terminals, inserts, and die-cast parts are also arranged on the reference base. The inserts are arranged between the plurality of limiting blocks, the terminals are arranged between the inserts, and the die-cast parts are arranged on one side of the limiting blocks. The mechanical cooperation between the positioning pins on the transfer carrier and the positioning holes opened on the bottom of the inserts, combined with the positioning constraints of the reference base and the limiting blocks, achieves high-precision positioning of the inserts, terminals, and die-cast parts throughout the assembly process, thereby effectively reducing assembly errors and ensuring the consistency of antenna assembly component assembly and product quality.

The utility model discloses a metal panel switch containing an antenna, which comprises a plastic shell and a metal panel, a mounting groove is arranged at the front end of the plastic shell, the plastic panel and the antenna are arranged in the mounting groove, a PCB (printed circuit board) is mounted between the mounting groove and the plastic panel, the plastic panel is provided with a switch through hole, the PCB is provided with a wireless control module and a microswitch capable of penetrating through the switch through hole, and the wireless control module is connected with the metal panel. The antenna is fixed between the edge of the plastic panel and the inner side wall of the mounting groove, the front end of the plastic panel is connected with the back of the metal panel, and a gap exists between the metal panel and the plastic shell to form a signal channel, so that the metal panel is prevented from directly shielding signals for the antenna. The metal panel is used for pressing the microswitch, and can be controlled through a mechanical mode of the key panel, so that switch control requirements in different scenes are met.

The utility model discloses a kind of pickup fixed caliper brake, including caliper shell, brake pad and monitoring mechanism, brake pad is symmetrically provided in caliper shell inside two ends, and brake pad is detachably connected with built-in piston of caliper shell, monitoring mechanism is embedded and installed in the upper side of caliper shell rear side, monitoring mechanism includes lower shell and upper shell, lower shell and upper shell are detachably fixedly connected to form sleeve, movable rod is arranged in lower shell and upper shell inside, movable rod is located in lower shell and upper shell front end and placed in brake pad back portion.The utility model can be in real time and accurately monitor the wear condition of brake pad by monitoring mechanism, when brake pad wears to a certain degree, timely signal is transmitted to car to remind user to replace, stroke switch is simultaneously adopted screw thread connection mode, and it is convenient to install, adjust and overhaul, lower shell and upper shell are fixed by bolt to realize modular design, reduce maintenance difficulty and cost.

This invention relates to the field of medical data processing technology and discloses a multi-center clinical data collaborative research system for complex endocrine cases. The system integrates heterogeneous case data from multiple centers into a unified time-series dataset through data preprocessing and semantic fusion modules. A collaborative control module uses a sliding window to calculate the gradient of data feature changes and intelligently triggers the collaborative collection phase accordingly. A task scheduling module generates differentiated collection tasks based on gradient information. A dynamic adjustment and transition module monitors task feedback, dynamically adjusts storage resource configuration, and automatically transitions the system from the collection phase to the analysis phase based on the decay of the changing gradient. This system achieves adaptive, closed-loop management of the multi-center data collaboration process, enabling precise resource scheduling based on dynamic data changes and node load, thus improving the efficiency and robustness of large-scale clinical research data collaboration.

The application discloses a double-passive harmonic injection 12-pulse rectifier based on average current control, which comprises a parallel type 12-pulse rectifier, a balanced reactor with a secondary side, a sampling unit and a prediction controller. A harmonic injection system composed of an inductor and a resistor is added. The balanced reactor with the secondary side transmits the 12-pulse waveform output by the parallel type 12-pulse rectifier to the single-phase rectifier bridge connected to the secondary side through the primary side, and the 12-pulse waveform is input to the load through the modulation of the single-phase rectifier bridge. The average current prediction method is set in the load current, load voltage and line voltage prediction controller, the inductor current value at the next moment is calculated according to the load current, load voltage and line voltage collected by the sampling unit, and the inductor current value is compared with the current reference value at the next moment, so that the thyristor corresponding to the line voltage with the minimum error is triggered at the next moment. Compared with the prior art, the application can make the circuit triggering more accurate and effectively reduce the THD of the grid side.

The utility model discloses an induction strong-starting light-operated circuit, which comprises a power supply module, a strong-starting module, an induction module, a signal mixing module and a dimming driving module, the power supply module converts commercial power into high-voltage direct current to drive the light source through a rectifier bridge and a high-low voltage isolation circuit, and generates low-voltage direct current to be used by the control circuit; the forced start module is connected in series with the optocoupler isolation unit through a trigger switch, and converts the high voltage of the commercial power into an isolated forced start signal. The sensing module outputs a sensing control signal based on the environment sensor; the signal mixing module forcibly gives priority to the forced start signal through a logic circuit, so that control switching of the induction signal and the forced start signal is realized; the dimming driving module controls on-off and dimming of the light source according to the mixed signal. According to the utility model, the technical problems of low safety, signal interference and difficult integration in the existing induction intense-opening light control technology are solved.

This application relates to the technical field of barrier gate control, specifically providing a barrier gate anti-collision control method and related equipment based on a dynamically expandable protective zone. The method includes: acquiring point cloud data of targets within the barrier gate's passage area; analyzing the target's current position and motion information based on the point cloud data to analyze relative position and motion relationships; expanding or contracting a baseline protective zone based on the relative position and motion relationships to form a dynamically expandable protective zone adapted to the target; tracking the target's trajectory within the dynamically expandable protective zone to obtain the target's passage status; determining whether the passage status meets preset anti-collision conditions; and generating a control signal to control the barrier arm to perform a lowering action when the preset anti-collision conditions are met. This solution overcomes the problem that in complex scenarios, fixed protective zones are difficult to adapt to the dynamic behavior of different targets, leading to misjudgments or delayed control.

This utility model relates to the field of metering box technology, specifically to an anti-theft metering box, comprising a box body, a column fixed in the middle of the box body, and a door rotatably connected to the front of the box body. The column has several horizontally retractable latches inside; the inside of the door has a locking slot corresponding to the position of the latches. When the door is closed, the latches engage with the locking slots to lock. The door has a locking mechanism, including a pressure plate, a lock cylinder that drives the pressure plate, and a lock bar; the pressure plate surface has two triggers, and the inner wall of the door has contact sensors matching the positions of the triggers. The multiple horizontally retractable latches inside the column cooperate with the door locking slots to form a multi-point locking structure, significantly improving the protection capability compared to traditional single locks. The wedge-shaped structure at the end of the latches tightly engages with the trapezoidal groove locking slot, effectively resisting external prying. Even if a part of the structure is damaged, the remaining latches remain locked.

The invention provides a block chain-based big data identity verification and access control method and system. According to the method, the smart contract is deployed in the block chain network, and when a big data platform receives an access request of a user for a distributed data file, a user digital certificate and a resource identifier of the distributed data file are analyzed from the access request; taking the user digital certificate and the resource identifier as input parameters to call an intelligent contract in the block chain network, executing an access control strategy bound with the user identity in the intelligent contract, performing permission judgment on the user digital certificate and the resource identifier to generate an authorization instruction, receiving the authorization instruction through the big data platform, and sending the authorization instruction to the block chain network. And controlling the access state of the distributed data file based on the authorization instruction. According to the technical scheme provided by the invention, the granularity of data protection is improved, the auditing tracking capability of the whole access control process is enhanced, and a solid guarantee is provided for data security in a big data environment.

The application discloses a positioning performance evaluation method, comprising the following steps: firstly, calculating the carrier-to-noise ratio of a single positioning antenna, the carrier-to-noise ratio after diversity and the diversity gain; then, calculating the satellite number density according to the current positioning requirement; subsequently, comprehensively evaluating the antenna positioning performance in combination with the satellite number density and the diversity gain, and judging whether the positioning requirement is met; if not, starting the diversity combination strategy to adjust the antenna configuration, combining and processing the signals of multiple antennas by using the maximum ratio combining diversity strategy, and effectively improving the signal quality; finally, re-executing the evaluation process and dynamically adjusting the antenna combination strategy according to the evaluation result; by comprehensively considering multiple key parameters, the method can ensure that the positioning system can meet the high-precision and high-reliability positioning requirement in different application scenarios.

The application belongs to the technical field of circuit breaker testing, and particularly relates to a circuit breaker mechanical property testing system and method based on a star flash SLB, which comprises a communication-connected handheld terminal master module, a three-phase property testing terminal slave module, a dynamic property testing terminal slave module and a control terminal slave module, wherein the communication connection is specifically wireless communication connection through a star flash SLB network complying with the star flash wireless communication system standard; the handheld terminal master module is a management node of the testing network, is used for distributing a time synchronization reference, scheduling network resources and uniformly distributing testing instructions; the three-phase property testing terminal slave module, the dynamic property testing terminal slave module and the control terminal slave module are terminal nodes of the testing network, are used for receiving the instructions of the handheld terminal master module, synchronously executing data collection or control operation based on a unified time reference, and returning result data to the handheld terminal master module. The problems of complex wiring, low efficiency and insufficient synchronization accuracy in traditional testing are solved.

The utility model discloses a kind of detection trigger devices, the device includes fixed clamp, crossbeam and trigger, fixed clamp is fixed in the symmetry of inside and outside two sides of rail, fixed clamp top is provided with crossbeam, crossbeam is set along rail and the height of crossbeam is adjustable, trigger is installed on crossbeam, trigger is electrically connected detection equipment, that is, inside and outside two sides of rail each is provided with a trigger, and the trigger of rail outside is higher than the trigger of rail inside.The trigger is inclined towards inside of rail, and the angle of inclination is set to 18~22 °.The utility model installation is reliable, and stability is strong;The utility model not only can adapt to difficult installation environment, but also through non-contact detection mode, can respond quickly when train wheel set passes, realize accurate trigger to train passing, and precision is high;The utility model can also effectively compatible with various detection equipment.In short, the utility model device has the advantages of high reliability, strong adaptability, trigger accurate, simple structure, small and exquisite volume etc.

This disclosure relates to a control method, vehicle, and storage medium for an automatic emergency braking function of a vehicle. The method includes: acquiring state information of a target object within the vehicle's field of vision; if a curb is present, acquiring curb information, the curb information including the starting and ending positions of the curb relative to the vehicle, the curb referring to a boundary that is higher than a preset road height; acquiring the emergency braking demand of the target object based on the curb information and the state information; and suppressing the triggering of the automatic emergency braking function when it is determined that the target object has no emergency braking demand. This disclosure comprehensively acquires the emergency braking demand of the target object by combining curb information and state information, and suppresses the triggering of the automatic emergency braking function when it is determined that the target object has no emergency braking demand, thus ensuring the accurate triggering of the automatic emergency braking function.

The utility model discloses a kind of cement production clinker stirring equipment, including stirring rod, the top end of stirring rod is equipped with protection pole, protection pole outside is equipped with protective sleeve, protective sleeve outside is equipped with control sleeve, control sleeve side is equipped with driving wheel, protection groove is opened in the outside of protection pole, fixed plate is equipped in the outside of protective sleeve, multiple screw nuts are equipped on fixed plate, driven wheel is connected in the side of screw nut, moving sleeve is equipped in the outside of protective sleeve, screw rod is equipped in the side of moving sleeve, control sleeve is equipped in one end of protective sleeve, multiple moving blocks are equipped in the side of control sleeve, moving spring is equipped in the outside of protective sleeve, adaptive sleeve is equipped in the inside of control sleeve, multiple fixed blocks are equipped in the outside of protective sleeve, adaptive block is equipped in the outside of adaptive sleeve, inclined slot is opened in the inside of protective sleeve, inclined plate is equipped in inclined slot, movable block is equipped in the side of inclined plate, let go slot is opened in the inside of movable block, movable spring is equipped in let go slot, the utility model realizes the flexible adjustment to overload protection threshold value, and guarantees the structure stability after threshold value adjustment.

The application provides a script-based virtual-real fusion guide method and system based on Beidou positioning, and relates to the technical field of intelligent travel guide, which comprises filtering and calibrating the user position collected through Beidou positioning and collecting real scene pictures; an interactive framework is constructed, and the node content is triggered when the deviation between the user position and the node position is not greater than the deviation threshold; the virtual character is called according to the node content to explain the real scene pictures, and the interactive task is published in combination with the behavior data of the user; the emotion recognition is performed on the node content, the real scene pictures, the behavior data and the interactive task to generate emotion features, which are input into an AI composition model to output scene music; the interactive interface of the virtual character and the interactive task is fused with the real scene pictures based on a fusion rendering algorithm, and the guide picture is output and the scene music is played synchronously, so that the script-based virtual-real fusion immersive guide based on Beidou high-precision positioning can be realized, and the tour experience of tourists and the operation efficiency of the scenic spot can be greatly improved.

The utility model discloses a kind of near-field acoustic control switches, including induction plate, microphone and controller, induction plate is close-range non-contact sensing panel, induction plate is electrically connected with controller, induction plate is used to detect the position signal of user's hand in the front of induction plate and output to controller;Microphone is set to the back of induction plate, microphone is electrically connected with controller, microphone is used to collect the sound signal of user and output to controller;The output end of controller is connected with electric equipment.The near-field acoustic control switch of the utility model realizes accurate trigger by the double sensing mode of hand position and sound, effectively avoids the false trigger problem of single sensing mode.