7results about How to "Damage control" patented technology

This invention provides a method for simulating buckling of subsea pipelines based on the pipeline element method, addressing the problems of low computational efficiency, complex modeling, and low accuracy in existing methods. Based on Euler-Bernoulli beam theory, this invention models the pipeline as a series of efficient pipeline elements. Internal pressure is converted into equivalent temperature rise, and the effective thermal expansion force generated by the effective temperature rise is applied to both ends of the pipeline element to construct the total potential energy equation. The second derivative of the total potential energy equation is performed to obtain the tangent stiffness matrix of the pipeline element. An updated Lagrange method is used for coordinate transformation. The secant relationship is used to calculate the pipeline element and soil resistance. A Newton-Raphson incremental-iterative numerical program is established to perform nonlinear analysis of the pipeline, progressively solving for the deformation and stress of the pipeline under complex loads. This invention significantly reduces the number of elements, improves computational efficiency, and accurately simulates nonlinear pipe-soil interactions. It is applicable to various pipelines, including short pipes, long pipes, and corroded pipes, as well as complex working conditions such as high temperature and high pressure.

The application provides an electric connector, a battery and a power utilization device, and relates to the technical field of energy storage. The electric connector is suitable for use in a battery and comprises a first connecting part, a second connecting part and a third connecting part. The first connecting part is suitable for electrically connecting with a first component, the second connecting part is suitable for electrically connecting with a second component, and the third connecting part is located between the first connecting part and the second connecting part and is connected with both the first connecting part and the second connecting part. When the battery is in an overcurrent state, the third connecting part is disconnected to form an open circuit between the first connecting part and the second connecting part. In this way, the further spread of fault current and thermal runaway range can be avoided, the damage range of the battery can be controlled, the overall thermal runaway of the battery or the short circuit of the entire battery system can be avoided, and the use reliability and safety of the battery are improved.

The present invention discloses a method for establishing a constitutive model of the maximum dilatancy of rock joints taking into account the material and geometric characteristics of the joints, which is applicable to the fields of geotechnical engineering, geothermal development, energy extraction, and carbon dioxide geological storage technology. The present invention comprises the following steps: S1, obtaining the geometric maximum dilatancy of the joints of the rock sample by three-dimensional scanning, and obtaining the uniaxial compressive strength of the rock by a uniaxial compression test; S2, conducting a shear test on the sample to obtain the maximum dilatancy of the sample. The theoretical model established by the present invention effectively reveals the complex interaction of the material properties of the joint surface, the morphological characteristics of the joint surface, and the magnitude of the applied normal stress on the maximum dilatancy, especially the important influence of the ductility and brittleness of the rock joint surface material on the behavior of the micro-convex body on the joint surface. Specifically, the ductility and brittleness characteristics of the joint surface material determine its ability to store elastic energy and absorb plastic energy, which directly controls the deformation and damage process of the micro-convex body when subjected to force.

The present application relates to a kind of plant cultivation system and method comprising root microorganism, comprising: collection module, first detection unit, second detection unit, sterilization control unit and regulation unit.The harmful organism includes the first type of harmful organism with primary pathogenicity to the plant planted in cultivation system, secondary pathogenicity of the second type of harmful organism and tertiary pathogenicity of the third type of harmful organism, the regulation unit is configured as: when the detected harmful organism is the first type of harmful organism, control the sterilization control unit disinfects the cultivation system, wherein, when the category and concentration of first type of harmful organism exceed the first threshold, control the sterilization control unit with first disinfection mode disinfects the cultivation system;When the category and concentration of first type of harmful organism are lower than the first threshold, control the sterilization control unit with second disinfection mode disinfects the cultivation system.

The utility model relates to a cloud computing equipment cabinet device which comprises a cabinet body, placing plates are fixedly connected in the cabinet body at equal intervals, sliding grooves are formed in the two sides of the inner wall of the cabinet body and located above the placing plates, sliding rods are fixedly connected in the sliding grooves, two sliding blocks are connected to the outer sides of the sliding rods in a sliding mode, one sides of the sliding blocks are rotationally connected with connecting rods, and the connecting rods are connected with the connecting rods in a sliding mode. And a clamping plate is rotationally connected between the two corresponding connecting rods, an empty groove is formed in the position, located on one side of the containing plate, in the cabinet body, and cooling fans are installed and connected in the empty groove at equal intervals. The cabinet has the advantages that the cabinet can adapt to cloud computing devices of different sizes, the devices are prevented from shaking in the cabinet body, the safety of the devices is protected, the heat dissipation system can effectively reduce the temperature in the cabinet body through cooperation of the air inlet, the heat dissipation fan, the heat dissipation holes and the air outlet, it is guaranteed that the cloud computing devices operate in a proper temperature environment, and the service life of the cloud computing devices is prolonged. And the service life of the equipment is prolonged.

The application discloses a high-power photovoltaic module with a waterproof sealing structure, and relates to the technical field of photovoltaic equipment.The photovoltaic module comprises a photovoltaic panel with a frame; and a sealing structure arranged on the frame and used for sealing the gap between the photovoltaic panel and the frame.The high-power photovoltaic module with the waterproof sealing structure has the advantages that the sealing material is a medium which is in a solid state at room temperature and in a liquid state at high temperature, the molten sealing material can be filled in the gap between the photovoltaic module and the frame, and the solid sealing is formed after the sealing material is solidified, so that the technical problems that the sealing damage cannot be repaired autonomously and the sealing structure is greatly affected by the environment in the prior art are solved, the stable sealing of the photovoltaic module and the plasticity of the sealing structure are realized, the damage to the sealing structure caused by the outdoor environment can be timely and effectively controlled, and the stability of the photovoltaic module sealing is improved.

The utility model relates to a quantitative dust fall automatic loading system which comprises a coke bin, a multi-section telescopic charging barrel and an automatic loading control system, a supporting plate is arranged in the coke bin, a conveying belt is arranged on the supporting plate, a discharging hopper is arranged in the coke bin, an outlet of the discharging hopper is communicated with a belt material receiving protective shell, and the belt material receiving protective shell is provided with a plurality of telescopic charging barrels. A fan-shaped switch valve is arranged at the joint of the belt material receiving protection shell and the outlet of the discharging hopper, and the belt material receiving protection shell is arranged outside the conveying belt in a sleeving manner; the multi-section telescopic charging barrel can effectively reduce the dust raising condition in the loading and transferring process of dust, control dust diffusion, reduce dust emission in the atmosphere, improve the working environment and protect the health of workers, corrosion and damage of dust to equipment are reduced, the maintenance cost of the equipment can be reduced through a dust falling system, and the service life of the equipment is prolonged. The device prolongs the service life, improves the production efficiency, liberates the labor force, and is reliable in structure and convenient to operate.