55results about How to "Promote engineering application" patented technology

The invention discloses a rice seedling leaf age intelligent identification system based on a depth camera, and belongs to the technical field of agricultural intelligent equipment and machine vision. Comprising a monitoring point gridding path planning module, a mechanical arm cooperative positioning data acquisition module, an RGB-D data preprocessing module, a dynamic foreground seedling accurate extraction module, a leaf age recognition confidence evaluation module, a leaf age data visualization presentation module and an integrated control strategy feedback module. RGB color features and connected domain analysis are combined to optimize a mask, a front single seedling is accurately segmented, background interference is eliminated, the confidence coefficient is dynamically calibrated through a deep learning model and image quality features, texture definition and edge continuity features are combined to generate calibrated confidence coefficient, confidence coefficient evaluation is directly associated with an agricultural decision, and the accuracy of the agricultural decision is improved. The leaf age result is generated only based on reliable data, the personnel rechecking demand is reduced, and the decision-making efficiency is improved.

This invention discloses a highly generalizable method for diagnosing open-circuit faults in multi-transistor converters of motor drive systems. This method addresses open-circuit faults in power devices caused by overcurrent surges, poor heat dissipation, and other factors, preventing damage to the motor and power grid equipment caused by output current distortion and increased torque ripple. The method analyzes the retention characteristics of the positive and negative regions of the three-phase stator current under steady-state operating conditions to construct a fault location function, and combines auxiliary variables to accurately distinguish between single-power and dual-power device open-circuit faults. This invention enables rapid location and accurate identification of complex open-circuit faults such as those in opposite phases on the same side or in opposite phases on opposite sides. It offers advantages such as high diagnostic accuracy, strong ability to distinguish mixed faults, and non-invasiveness, making it suitable for motor drive systems with high requirements for operational reliability and fault tolerance.

The invention belongs to the technical field of solid propellants, and particularly relates to a propellant containing active metal fuel and a preparation method of the propellant. 3.0-4.0% of a plasticizer; 0.3-0.4% of a curing agent; 0.1%-2.0% of a combustion rate regulator; 0.01%-0.5% of a bonding agent; 15-19% of an active metal fuel; 10-18% of a nitramine explosive; the metal fuel is an aluminum-gallium metal alloy, and the aluminum-gallium metal alloy is an aluminum-gallium metal alloy of which the outer layer is coated with an aluminum film. The propellant provided by the invention has the advantage of high combustion efficiency, and can meet the requirement of a solid rocket engine on the high energy performance of the propellant.

The invention discloses a method and equipment for improving matching of a measured piece in an attenuation measurement system, belongs to the field of radio metering, and comprises the method for improving matching of the measured piece in the attenuation measurement system, and the core of the method is that a precise matching absorption load is added in a front-end transmission system of the measured piece; energy transmission is realized on a waveguide wide side of the precise matching absorption load through a coupling hole; a transmission waveguide is additionally arranged above the coupling hole, and energy is transmitted to a measured piece in the forward direction; and a precise matching absorption load is added in the reverse direction to absorb energy in the reverse direction, so that the measured piece matching improvement equipment in the attenuation measurement system is formed, and finally the measured piece matching of the attenuation measurement system is improved. According to the method and the equipment, the impedance matching of the measured piece is improved by using the precise matching load, the voltage standing-wave ratio of the load level is realized, and the attenuation measurement accuracy is improved. The tested piece matching improvement equipment developed by using the method is directly connected to two ends of the tested piece in an attenuation measurement system, so that the impedance matching of the tested piece is improved.

The application discloses a variable working condition cross-component causal coupling modeling and fault diagnosis method and device, and relates to the technical field of rotating machinery fault diagnosis. The method comprises the following steps: collecting and preprocessing multi-component signals under variable rotating speed working conditions of a rotating machinery; based on multivariate Granger causal modeling, prior information and dynamic disturbance information are fused to construct a dynamic causal diagram; a double-view structure of a main view of the dynamic causal diagram and an auxiliary view of a correlation diagram is constructed, multi-scale coupling features are extracted through a multi-order spectrum filter and an attention mechanism, a symmetric InfoNCE contrast learning loss and a supervised classification loss are combined to optimize and train a model, and fault classification is realized. The device is correspondingly provided with signal acquisition, dynamic causal diagram construction, feature fusion, model training and fault prediction modules. The application improves the accuracy of fault feature representation and the robustness of diagnosis under variable working conditions, is suitable for complex industrial scenes with multi-component coupling and frequent rotating speed switching, and has strong engineering practicability.

The application discloses a method for improving the mechanical property of a titanium alloy ring forge piece and a ring forge piece prepared by the method, and belongs to the field of titanium alloy forging technology. The method for improving the mechanical property of the titanium alloy ring forge piece comprises the following steps: preparing a titanium alloy base material, heating the titanium alloy base material to 30-35 DEG C below a phase transition point, performing upsetting treatment to obtain an upset rod; heating the upset rod to 35-40 DEG C below the phase transition point, using a core shaft to perform punching forming to obtain a punched ring forge blank; heating the punched ring forge blank to 30-35 DEG C below the phase transition point, adopting a mandrel expanding method to perform expanding forming to obtain an expanded ring forge blank; heating the expanded ring forge blank to 40-45 DEG C below the phase transition point, performing radial-axial composite rolling to obtain a rolled piece; and performing annealing treatment on the rolled piece to obtain a target ring forge piece.

This invention discloses a method for assessing the carbon dioxide adsorption and sequestration capacity of methane-containing coal seams, belonging to the field of carbon dioxide geological sequestration technology. The method first obtains the basic physical properties of the coal seam, the competitive adsorption parameters of CO2 and CH4, the geological parameters of the coal seam, and the rock mechanics parameters, breakthrough pressure parameters, and in-situ stress parameters of the roof and floor. Based on the rock mechanics, in-situ stress, and breakthrough pressure parameters of the roof and floor, the sealing pressure of the roof and floor is determined, defining the upper limit pore pressure of the coal seam. Under the constraint of the upper limit pore pressure, combined with the competitive adsorption parameters of CO2 and CH4 and the basic physical properties of the coal seam, the partial pressures of CO2 and CH4 under equilibrium conditions are determined. Based on the partial pressures of CO2 and CH4, the CO2 adsorption capacity per unit coal rock is determined, and the carbon dioxide adsorption and sequestration capacity of the coal seam is obtained by coupling the basic physical properties and geological parameters. This invention provides accurate, safe, and logically complete assessments, suitable for rapid evaluation of coal seam sequestration potential, and provides reliable support for engineering implementation.

The application provides a three-dimensional point cloud change detection method based on Siamese AdaptConv, and belongs to the field of intelligent scene reconstruction; firstly, three-dimensional point cloud data of a to-be-detected scene at two different time points is acquired, and an adaptive neighborhood is constructed for each point; then, the pretreated three-dimensional point cloud data is input into a Siamese AdaptConv double-branch network, multi-scale features of each layer are fused respectively, corresponding fusion features are obtained, the change probability of the same position point is further calculated, and a candidate change point set is mapped; DBSCAN clustering is performed, and a candidate region is output; finally, semantic verification is performed on the candidate region, a geographical knowledge graph is pre-constructed, and semantic correlation is calculated; when the semantic correlation exceeds a set threshold value, it is considered that the three-dimensional point cloud change of the candidate region is consistent with the existing entity semantics in the knowledge graph, and the reasonable change is determined; and the application realizes end-to-end multi-sequential feature alignment and change identification.

This invention provides a method for determining the stability of simply supported and fixed beams. The method includes: establishing a system of equilibrium differential equations for an elastic beam and determining the simply supported boundary conditions; performing numerical integration based on the equilibrium differential equations and the simply supported boundary conditions to obtain the shapes and corresponding parameter information of all simply supported and fixed beams; measuring the actual arc length and actual support distance of the simply supported and fixed beam to be determined; determining the corresponding moment-rotation curve based on the actual arc length, actual support distance, and the shapes and corresponding parameter information of all simply supported and fixed beams obtained from numerical integration, and determining the critical value of the fixed-end rotation angle based on the moment-rotation angle curve; measuring the actual value of the fixed-end rotation angle of the simply supported and fixed beam to be determined, and determining the stability of the simply supported and fixed beam to be determined based on the relationship between the actual value of the fixed-end rotation angle and the critical value of the fixed-end rotation angle. This invention solves the technical problem of complex and computationally intensive stability determination processes for simply supported and fixed beams in the prior art.

The invention relates to a reverse friction buckling-restrained energy dissipation support and a control method, the reverse friction buckling-restrained energy dissipation support comprises a buckling-free energy dissipation unit, a forward constraint unit and a reverse constraint unit, and the forward constraint unit is arranged at one end of the buckling-free energy dissipation unit and is in sliding connection with the end of the buckling-free energy dissipation unit; the reverse constraint unit is arranged at the other end of the buckling-free energy dissipation unit and is fixedly connected with the end of the buckling-free energy dissipation unit; wherein the forward constraint unit and the reverse constraint unit are oppositely arranged, and when the support bears an axial load, the forward constraint unit and the reverse constraint unit respectively follow different end parts of the buckling-free energy dissipation unit to move in opposite directions, so that a reverse friction mechanism is realized. According to the reverse friction buckling-restrained energy dissipation support and the control method, the double-order yield of the buckling energy dissipation support is fused with the support limiting device, meanwhile, the friction force in the energy dissipation core of the buckling restrained support is self-balanced, the deformation uniformity of the support is improved, and therefore the fatigue performance is improved. The overall structure of the support is free of numerous external additional devices, low in manufacturing cost and convenient for engineering application.

The present application belongs to the technical field of power supply and distribution. A parallel three-level inverter modulation method, system, product, medium and equipment are proposed, which equivalent double parallel three-level inverters as a whole five-level inverter, inject zero sequence components to the initial three-phase reference signal to obtain the reference signal, identify the resultant vector through rounding and remainder operation, and then adjust the reference signal according to the sum of the three-phase state of the initial resultant vector to output a five-segment switching sequence, and then decompose the equivalent five-level reference signal into two sets of three-level reference signals, allocate the reference signals by dividing the half-carrier period and compare them with the triangular carrier to obtain a three-level vector sequence combination. The present application realizes the comprehensive optimization of common-mode voltage, zero-sequence circulating current and output current ripple, avoids complex sector judgment and duty cycle calculation, and reduces the implementation complexity and computational burden.

The application discloses an improved deadbeat control method for reducing switching loss, and is implemented according to the following steps: step 1, modeling a single-phase circuit of an MMC, and meanwhile, establishing a single-phase upper and lower bridge arm node current equation; step 2, discretizing the established equation, and taking a ring current as a reference quantity to establish a deadbeat control system; step 3, collecting voltages of upper and lower bridge arms of each phase of the MMC and discriminating voltage discretization; step 4, operating the upper and lower bridge arm voltages output by step 2 to obtain the number of sub-modules that should be turned on for each phase of the upper and lower bridge arms of the MMC in the next control period; and step 5, sorting each sub-module voltage of each phase after being processed in step 3, and meanwhile, turning on or turning off specific sub-modules according to the number of sub-modules that should be turned on for each phase of the upper and lower bridge arms in the next control period obtained in step 4. The application can improve system dynamic performance, improve output voltage quality and reduce the number of times of turning on sub-modules of the system.

The application discloses a stress calculation method suitable for an adjustable cable support of a power tunnel, and relates to the field of stress calculation methods.It comprises the following steps: 1) establishing a mechanical model of the adjustable cable support;2) determining calculation parameters;3) calculating the stress of a cross arm;4) calculating the stress of an inclined support;5) calculating the stress of a horizontal bolt;6) calculating the stress of an end bolt;7) checking the pressure bearing of a hole wall; and 8) determining the bearing capacity.The calculation method further considers the shearing stress caused by the torsion of the support according to the actual stress condition of the support, so that the calculation precision and accuracy are improved.

The invention discloses a preparation method and application of an iron-calcium synergistic solid waste-based phosphorus removal filter material. The method comprises the following steps: taking a clay mineral containing Al2O3 and SiO2 or oily sludge with the oil content of less than or equal to 5% wt as a binder, taking calcium-containing solid waste as an active component, adding a functional aid ferric salt, and carrying out pretreatment, mixing, granulation, drying, roasting and cooling treatment to prepare the iron-calcium synergistic solid waste-based phosphorus removal filter material capable of removing phosphorus pollutants in a water body. By introducing ferric salt and controlling the roasting temperature to be 400-700 DEG C, a calcium-containing phase capable of easily releasing OH <-> in the solid waste can be converted into a stable phase capable of easily releasing Ca < 2 + > and not releasing OH <->, and meanwhile, an iron active site is constructed to form an iron-calcium interface coupling effect. Compared with the prior art, the method has the advantages that the energy consumption is obviously reduced, a better adsorption effect is realized, and the prepared filter material is wide in raw material source, low in cost, high in adsorption capacity and small in effluent pH fluctuation, and can be widely applied to phosphorus-containing wastewater treatment.

This invention relates to the field of turbomachinery technology, and provides a geometric construction method and system for a two-dimensional blade profile in tandem, comprising: using the pressure surface profile of the front row of blades as a reference, at the starting point... P End point of front pressure surface T PS An arc length coordinate system is established between the points, and a channel width function is defined. The channel generation segment profile of the rear blade suction surface is generated by offsetting along the outer side of the normal at each point. A free-form segment profile is then constructed that smoothly connects to the channel generation segment, resulting in the complete rear blade suction surface. Subsequently, the rear pressure surface profile is generated by offsetting along the inner side of the suction surface normal according to a preset thickness distribution function, and smooth leading and trailing edge connection curves are constructed respectively, completing the two-dimensional airfoil structure of the rear blade. This invention combines the slit channel width distribution with the rear blade suction surface generation process, ensuring the geometric continuity of the channel segment while improving the freedom, parameterization, and geometric adjustability of the airfoil design, facilitating aerodynamic design, optimization design, and engineering applications.

The embodiment of the application provides a mechanical arm linear motion trajectory planning method, device and electronic equipment. The method comprises the following steps: obtaining target parameters of the mechanical arm, the target parameters comprising expected speed (represented by a velocity screw), joint angle θ of a current time t and control step time Δt, ω and v representing angular velocity and linear velocity of a mechanical arm tail end respectively, t being an integer greater than or equal to 0; mapping the velocity screw to obtain joint speed of the mechanical arm; determining joint angle increment Δθ of the mechanical arm at a next time t+1 relative to the current time t according to the joint speed and the control step time Δt; determining joint angle θ' of the mechanical arm at the next time t+1 according to the joint angle increment Δθ and the joint angle θ of the current time t; and determining a position of the mechanical arm at the next time t+1 according to the joint angle θ'. According to the determined joint angle θ' of the mechanical arm at the next time t+1, the embodiment of the application can quickly and conveniently plan a linear motion trajectory of the mechanical arm, and is convenient for practical engineering application.

This invention discloses a field-circuit collaborative analysis method and system based on reinforcement learning and Bayesian optimization. The invention utilizes a Bayesian optimization algorithm to optimize the parameter values ​​of each electronic component in a selected topology. Based on the optimized parameter values, a reinforcement learning-based parameter search environment for electronic components in the RF device circuit topology is constructed, modeled as a Markov decision process. An equivalent circuit model of the RF device is designed according to the optimal action. The equivalent circuit model of the RF device is connected to other circuit systems for circuit-level simulation analysis. By integrating reinforcement learning and Bayesian optimization, two intelligent algorithms, and fully leveraging their respective advantages in discrete structure search and continuous parameter optimization, a high degree of automation and intelligence is achieved throughout the entire field-circuit collaborative analysis process. While ensuring the physical rationality of the model, the efficiency and accuracy of the collaborative analysis are significantly improved.

The invention discloses a simplified stability judgment method for amplitude-phase characteristics of key modal impedance, terminal equipment and a storage medium, a resonance mode of a system can be identified according to a Bode diagram of the key modal impedance, and whether the resonance mode is in a positive damping state or a negative damping state is judged. Compared with an existing method, the method has the advantages that determinant zero point solving of a high-order s-domain node admittance matrix is avoided, the amplitude-phase characteristic of the key modal impedance can be obtained through frequency scanning, and the complexity of frequency domain modal analysis of the multi-node multi-type new energy grid-connected system is reduced.

This invention relates to the field of weld defect type identification technology. Existing weld defect detection methods fail to achieve intelligent and efficient detection due to the diverse types of weld defects. This invention provides a low-cost self-learning neural network design method for ultrasonic detection of weld defects. It performs high-dimensional spatial domain feature representation on the initial one-dimensional ultrasonic signal, enriches the feature expression of weld defect data, selects the feature domain with better performance, constructs an adaptive scaling network for weld defect detection, and uses a multi-objective, training-free network search and evaluation method to iteratively search and evaluate candidate networks for weld defect detection, obtaining a balanced solution on both network classification accuracy and parameter quantity. Ultimately, it achieves the selection of a weld defect type detection network with superior overall performance without any training.

This invention relates to the field of aero-engine technology and discloses a Simpack-based method for analyzing the misalignment vibration of aero-engine blades with bosses. While ensuring analytical accuracy, it improves computational efficiency by simplifying the modeling process and establishes a clear mapping relationship between parameters and responses, thus providing reliable technical support for vibration control of aero-engine bladed disk systems. The method includes the following steps: establishing finite element modal analysis models of all boss blades and disks, and performing free modal calculations; using Simpack modal condensation to establish blade-disk reduced flexible body models of all boss blades and disks, and then assembling them to form a complete blade-disk coupled dynamic analysis model of the aero-engine; subsequently, simulating the frictional vibration reduction effect between boss blades by establishing pre-compressed spring damping units or custom nonlinear spring units between the bosses of adjacent boss blades; and simulating the interference fit relationship between bosses by using the spring pre-compression amount.

The application provides a flexible fusion arc-extinguishing device with phase power series voltage division. The topological structure is a structure in which a phase power and a single-phase converter are connected in series through an isolation transformer, wherein the phase power is obtained through switching and voltage boosting of a secondary winding of a grounding transformer and voltage boosting of a voltage transformer, the single-phase converter is connected in series with the phase power through the isolation transformer, and a DC side power supply of the single-phase converter is provided through rectification of the secondary winding of the grounding transformer by a rectifier. The control algorithm of the flexible fusion arc-extinguishing device is that the phase power is controlled as a voltage source, and the single-phase converter is controlled as a current source. The technical scheme makes up for the deficiency of the voltage arc-extinguishing method that the fault current compensation effect is not obvious in low-resistance grounding fault, and has good engineering application value.

The application provides a bolt loosening monitoring method based on small sample learning sound recognition and a portable detection device, adopts an improved small sample learning model suitable for a sound signal and a sound signal data enhancement method based on time domain / frequency domain masking, compared with directly using a small sample learning model in an image recognition field, the improved model can obtain higher bolt loosening recognition precision, and the bolt loosening recognition precision under a small amount of samples is further improved through an example verification; in addition, the training sample is enhanced by using the proposed data enhancement method, the data enhancement method is more suitable for the sound signal, and the bolt loosening recognition precision under a small amount of samples is further improved, and finally, the model completed through training is integrated into an embedded board card, so that the portable bolt loosening detection device is realized.

This invention discloses a bracing design method for strongly braced steel frames based on story critical stiffness, relating to the field of building reinforcement technology. The method includes steps such as calculating the critical bracing stiffness of frame columns and drawing a nomograph of the critical bracing stiffness of frame columns; calculating the story critical bracing stiffness of shear-braced steel frames at each floor level; calculating the critical bracing cross-sectional area of ​​shear-braced steel frames at each floor level under no horizontal load; calculating the equivalent bracing area required to resist horizontal loads; calculating the critical bracing area of ​​the frame at each floor level under vertical and horizontal loads; calculating the cross-sectional area of ​​the single diagonal member under tension critical bracing; and selecting the shear bracing cross-sectional type. This invention discloses a bracing design method for strongly braced steel frames based on story critical stiffness, providing design steps for shear-braced strong bracing for steel frames. The method discloses the calculation formula for the story critical bracing stiffness of shear-braced steel frame structures and provides a nomograph for easy engineering application.

The invention discloses a hemoglobin-based micro-nano reactor as well as a preparation method and application thereof, belongs to the technical field of biochemistry, and particularly relates to a hemoglobin-based micro-nano reactor which is formed by self-assembly of hemoglobin-polylactic acid conjugates. The hemoglobin-based micro-nano reactor has a cell-like space structure and has multiple functions of a drug delivery system and a micro-nano reactor, hemoglobin biomolecules in the hemoglobin-based micro-reactor are utilized to catalyze atom transfer radical polymerization reaction, and the activity of the hemoglobin-based micro-nano reactor is improved under the condition of not additionally adding a catalyst or gene modification. The micro-nano reactor has the advantages of simplicity and convenience in synthesis, good biocompatibility, various catalytic polymers and the like, and is suitable for the fields of cell engineering, biological material preparation, fluorescence labeling, production of polymers by a fermentation method and the like.

This invention relates to a method for constructing a multi-hole outflow nozzle model for wafer electroplating tanks based on computational fluid dynamics, belonging to the field of semiconductor device surface treatment technology. The method includes constructing an orifice outflow calculation model using a combination of the modified Darcy-Weisbach equation, the modified Bernoulli equation, and the Torricelli formula; obtaining the pressure difference between the cross-sections of adjacent nozzles using the Darcy-Weisbach equation, and establishing a pressure calculation formula for each nozzle; for laminar and low Reynolds number turbulent flows, combining the modified Bernoulli equation and the Torricelli formula to obtain the flow rate at the nozzle, and obtaining the relationship between the flow rate at the nozzle and the cross-sectional area of ​​the nozzle; and constructing the... i Geometric parameters of each injection hole i The solution formula is obtained; and the cross-sectional area and radius of the injection hole are obtained under the condition of neglecting the friction effect. r The calculation formula was used to construct a multi-orifice nozzle model. This ensured that the flow rate at all orifices was equal, guaranteeing stable liquid level and flow field within the tank.

The application discloses a low-altitude safety facility layout method based on a voxelized risk field and facility capacity, which comprises the following steps: constructing a three-dimensional voxel space corresponding to a research area, marking the semantic attribute of each voxel unit in the three-dimensional voxel space, and determining the voxel index corresponding to a candidate low-altitude safety facility installation point; fusing multiple source risk factors, quantifying the safety risk of each voxel unit in the three-dimensional voxel space, and constructing a voxelized low-altitude risk field covering the research area; determining the shielding entity based on the semantic attribute marking of the voxel unit, calculating the coverage intensity of each candidate low-altitude safety facility installation point after deploying different types of low-altitude safety facilities through a ray tracing algorithm, and generating a perception-defense capacity matrix; based on the voxelized low-altitude risk field and the perception-defense capacity matrix, a multi-objective optimization model of low-altitude safety infrastructure layout is constructed; and a multi-objective evolutionary algorithm is used to solve the multi-objective optimization model to obtain an optimal facility deployment scheme set.

This invention discloses a method for calculating the safe temperature drop of a satellite fairing, including: S1 calculating the area and volume of the satellite fairing; S2 calculating the heat transfer coefficient of the satellite fairing; S3 calculating the heat dissipation of each structural parameter of the fairing assembly; S4 calculating the heat loss of the fairing assembly during transportation; S5 calculating the heat capacity of the fairing assembly; S6 calculating the temperature drop of the fairing assembly based on the principle of heat conservation between the heat lost and the heat reduced by the fairing assembly; and S7 plotting the temperature drop curve over time. This invention can accurately calculate the temperature drop inside the fairing assembly during relocation and tower opening, providing a precise and quantitative basis for air conditioning temperature and humidity control. Furthermore, by introducing parameters of temperature drop, time, and ambient temperature, a functional relationship is established, providing a reasonable and feasible technical approach for calculating the fairing temperature drop, meeting usage requirements, and establishing a temperature drop table curve calculation method for easy engineering application.

The present application belongs to the technical field of human electromagnetic exposure safety protection, and especially is a human electromagnetic exposure safety protection method based on medical implant structure optimization. The method comprises the following steps: S1: wireless power transmission (WPT) system and human body modeling containing medical implants; S2: human electromagnetic exposure uncertainty evaluation framework modeling; S3: medical implant structure optimization. The Bayesian neural network proposed in the present application can greatly reduce the uncertainty quantification calculation cost. In addition, the medical implant occluder structure optimization design method proposed in the present application can effectively alleviate the safety risk of human electromagnetic exposure. Under the influence of uncertain factors, the probability of exceeding the limit of human electromagnetic exposure indicators in each scene is significantly reduced. The sparrow search algorithm is used to optimize the size parameters of the occluder in the present application, so as to reduce the electromagnetic exposure dose in the human body, and finally effectively reduce the probability of exceeding the electromagnetic exposure indicators of the patient containing the occluder implant under the influence of uncertain factors.

The present application relates to a kind of high-energy pipeline support protection integrated device, high-energy pipeline support protection integrated device includes frame body, protection plate, fixed pillar and energy absorption element;Frame body is the skeleton of long rectangle, the long side of frame body is longitudinally arranged, the two faces of the width and height of frame body are used to supply high-energy pipeline to be set in frame body, four faces of frame body parallel to high-energy pipeline are set protection plate according to the arrangement of high-energy pipeline, fixed pillar is extended along the long side, width or height of frame body and is set, energy absorption element is connected fixed pillar and civil buried plate;When high-energy pipeline breaks and generates injection or flail to high-energy pipeline support protection integrated device, the load generated by injection or flail is sequentially transmitted to civil buried plate by protection plate, frame body, fixed pillar, energy absorption element.Effectively reduce the support reaction of civil buried plate, while the all-round protection to the protected object can be realized.

This invention discloses a method for predicting the duration of surface movement in mining areas based on a sinusoidal time function, relating to the field of coal mining subsidence prediction technology. Based on the fundamental laws governing surface subsidence velocity and amount during coal seam mining, and the basic assumptions of the Knothe time model, a dynamic surface subsidence function is derived. Using this function, the dynamic surface subsidence velocity function and subsidence acceleration function are calculated. The time parameters of the dynamic surface subsidence function are then calculated. Combining the dynamic surface subsidence function and the time parameters, a prediction model for the duration of surface movement is derived. Substituting the actual parameters of the mining area to be predicted into the prediction model, transcendental equations are constructed and solved using numerical methods, thus achieving the prediction of the duration of surface movement in the mining area. This invention features simple steps, realistically recreates the entire nonlinear dynamic subsidence process, and significantly improves the predictive universality and computational accuracy under complex geological conditions.