37 results about "Thermal transport" patented technology

A computer-implemented method for modeling thermal and electrochemical properties of lithium-ion battery packs is disclosed. A physics-based thermo-electro-chemical battery model is received comprising electrochemical reaction equations and thermal transport equations. A computer aided design (CAD) file is imported defining physical cell arrangements within a battery pack. Thermal connectivity matrices are automatically generated from the CAD file, where the matrices define heat transfer pathways between adjacent cells. A scaling algorithm transforms single-cell Single-Particle Model (SPM) equations into multi-cell coupled differential equations for the battery pack. The thermal and electrochemical behavior are simulated across the battery pack using the scaled equations to determine at least one battery performance characteristic based on the simulation.

Method for storing and / or transporting temperature-sensitive materials. In one embodiment, the method involves predicting whether a given passive thermal shipping system will maintain a payload within a desired temperature range over its entire transport / delivery route. To this end, thermal capacitance data is compiled for the shipping system at a plurality of temperatures spanning a broad range of potential ambient temperatures to which the shipping system may be exposed. In addition, forecasted ambient temperature data is obtained for a plurality of time intervals spanning the transport / delivery route. An effective ambient temperature, based on the forecasted ambient temperature, as well as rolling and cumulative averages, is then determined at each of the various time intervals. Using the effective ambient temperature, the thermal capacitance is determined from the compiled data and is compared to the cumulative absorbed energy. The shipping system fails when the cumulative absorbed energy exceeds the thermal capacitance.

The application discloses an interlayer-coupled reduced graphene oxide (rGO) film, a preparation method and application thereof. Although single-layer graphene sheets have excellent intrinsic thermal conductivity, stacked graphene films have serious thermal anisotropy and poor out-of-plane thermal transport performance due to weak van der Waals interaction between layers. The application discloses a strategy for scalable preparation of an interlayer-coupled rGO film, which is connected by covalent carbon bonds between stacked layers. A representative 200 μm-thick film prepared by the strategy has in-plane and out-of-plane thermal conductivities of 1465±63 W·m ‑1 ·K ‑1 and 14.0±1.2 W·m ‑1 ·K ‑1 , respectively. Under an extreme heat flux of 1200 W·cm ‑2 , the film can reduce temperature by 110℃ within 20 s and has excellent cycle stability. The film has high thermal and electrical conductivity, and can realize fast, uniform and durable electrothermal heating, and can be applied to the field of advanced thermal management.

The invention discloses a power semiconductor module residual life prediction method and device and a medium, and relates to the technical field of semiconductor life prediction, and the method comprises the steps: enabling collected material lattice parameters and thermodynamic working condition data to generate a transport data set through a molecular dynamics simulation method, and generating an inverted space group velocity tensor field according to the transport data set; generating a thermodynamic entropy change index according to the inverted space group velocity tensor field; performing time sequence accumulation analysis based on thermodynamic entropy change indexes, and outputting a phonon entropy change feature sequence; extracting a statistical feature subset and a dynamic gradient subset from the phonon entropy change feature sequence; constructing a pulse neural network and inputting the phonon entropy change feature sequence to generate an operation function; calling a transport equation and initializing based on the statistical feature subset to generate an initial transport equation; according to the method, the collision term of the transport equation is dynamically reconstructed through the pulse neural network, accurate modeling of the phonon scattering nonlinear effect is achieved, and the problem of mismatching of the heat transport model under the variable working condition is solved.

The invention relates to a Cs3Bi2I9 single-crystal material with double heat transfer operation parameters as well as a preparation method and application thereof, and belongs to the technical field of single-crystal materials. The preparation method comprises the following steps: uniformly mixing and grinding CsI and BiI3 according to a stoichiometric ratio, transferring into a quartz tube, vacuumizing and packaging, and sequentially carrying out high-temperature melting, quenching and annealing to obtain a Cs3Bi2I9 polycrystalline cast ingot of which the density is not less than 97%; placing the Cs3Bi2I9 polycrystalline cast ingot in a sealed quartz tube, placing the sealed quartz tube in which the Cs3Bi2I9 polycrystalline cast ingot is packaged in a vertical temperature gradient furnace, melting at high temperature, and cooling to room temperature, thereby obtaining the Cs3Bi2I9 single crystal material with the double heat transfer operation mode. Compared with the prior art, the Cs3Bi2I9 single crystal material with a unique double-heat transport behavior is innovatively prepared, a new design idea is provided for regulating and controlling heat transport through a crystal chemical means, and a new path is opened up for developing an anisotropic thermoelectric material with a heat management function.

This invention discloses a method and system for screening high-performance layered nitride thermoelectric materials, comprising: obtaining a series of crystal structures of initial layered nitrides; performing magnetic tests on the materials using first-principles calculations to select non-magnetic materials; optimizing the structure of non-magnetic materials, and after calculation convergence, performing static calculations and electronic band structure calculations to select materials with a band gap range of 0.1~3 eV and high band structure degeneracy; calculating the partial charge density of the materials to determine whether there is a two-dimensional electron gas, i.e., alternating conductive and insulating layers; determining stability by performing phonon spectrum and molecular dynamics simulations on the materials to select materials with no imaginary frequencies in the phonon spectrum and stable dynamics; calculating the thermal transport properties of the materials, obtaining the lattice thermal conductivity and Green'sson parameters, and searching for materials with strong anharmonicity; and finally performing electrical transport calculations to obtain the ZT value of the materials.

The application relates to a method for regulating the thermal conductivity of a nanometer semiconductor interface in contact and non-contact states, which comprises the following steps: (1) establishing a molecular dynamics thermal transport model composed of a hot region A and a cold region B; (2) performing molecular dynamics simulation and data processing: comparing the interface thermal conductivities under different twist angles in the contact state and the non-contact state to determine the dependence of the interface thermal conductivity on the twist angle; in the contact state, comparing the overlapping areas of the phonon state density at the contact interface under different twist angles to determine the influence of the overlapping area of the phonon state density on the thermal transport of different interface twist angles; in the non-contact state, comparing the force constants of the interface interaction potential and the LJ potential under different twist angles to determine the influence of the force constant on the thermal transport of different interface twist angles. The application realizes effective regulation of the ITC by regulating the twist angle, the normal load and the potential well depth, and provides an important basis for the thermal management of nanometer devices.

A method is provided for the controlled routing of hydronic flow within a climate control system. The method includes determining a condition type request for a plurality of area zones corresponding to a particular thermal zone. The method further includes determining a supply temperature type associated with at least a supply line of a primary supply loop and a supply line of a secondary supply loop. The supply temperature type is indicative of a thermal transport fluid temperature within the respective supply line. The method further includes providing an actuation signal set to a valve assembly. The actuation signal set is configured to describe a position for each value of the valve assembly and the position for each valve is based on the conditioning type request and the determined supply temperature types.

The invention relates to a thermally insulated transport container (1). The invention is characterized in that the central refrigerated goods chamber (40) is surrounded by a plurality of decentralized refrigerated goods chambers (41, 42, 43, 44, 45, 46), the decentralized refrigerated goods chambers are connected or can be connected to the central refrigerated goods chamber (40) via a respective transfer gate (41′, 42′, 43′, 44′, 45′, 46′), and the central refrigerated goods chamber (40) is equipped with a tubular ring slide device (6, 6′) that can be rotated about a central axis (X) and has at least one transfer opening (65), which can be brought into register with a respective transfer gate by rotating the ring slide device, in the peripheral wall (62) of the ring slide device, thereby forming a passage from a paired decentralized refrigerated goods chamber to the central refrigerated goods chamber (40).

A method for measuring an atomic scale microscopic thermal conductivity, said method being based on a focused ion beam-based sample preparation method and scanning transmission electron microscopy-electron energy loss spectroscopy. A temperature gradient is generated by locally heating a sample in a scanning transmission electron microscope; the temperature is measured in the electron microscope by means of electron energy loss spectrums; local heating in a nano-scale region of a sample is realized, and a stable temperature field having a large temperature gradient is constructed; and atomically resolved phonon spectrum detection and temperature measurement are realized in space. Local temperature information and a relative value of a microscopic thermal conductivity can be measured at an atomic scale, so that the quantitative analysis of the microscopic thermal conductivities of structures at different positions inside the sample can be performed; and the present invention has the advantages of accurate measurement, high spatial resolution, capability of studying nano-scale thermal transport and micro-zone thermal conductivity, etc., and is suitable for samples having complex structures and a plurality of material systems.

The invention relates to the technical field of thermoelectric materials, in particular to a preparation method of a wide-temperature-range high-performance n-type Bi2Te3-based magnetic nano composite thermoelectric material, which comprises the following steps: adding a Bi2Te2. 7Se0. 3 thermoelectric material into a Ni0. 3Zn0. 7Fe2O4 nano suspension to obtain a magnetic nano composite suspension, carrying out ultrasonic dispersion on the obtained suspension, and drying to obtain the wide-temperature-range high-performance n-type Bi2Te3-based magnetic nano composite thermoelectric material. And centrifuging the suspension subjected to ultrasonic dispersion, drying in vacuum, and sintering the obtained powder in vacuum to obtain the n-type Bi2Te3-based magnetic nano composite thermoelectric material. The magnetic effect and the nanometer effect generated by the Ni0. 3Zn0. 7Fe2O4 magnetic nanoparticles synergistically improve the electric and heat transport performance of the matrix thermoelectric material, and when x is equal to 0.43%, the obtained magnetic thermoelectric material has a high average zT value (0.72) within a wide temperature range (300-400 K), and the average zT value is significantly higher than the average zT value of the matrix material.

Method for storing and / or transporting temperature-sensitive materials, In one embodiment, the method involves predicting whether a given passive thermal shipping system will maintain a payload within a desired temperature range over its entire transport / delivery route. To this end, thermal capacitance data is compiled for the shipping system at a plurality of temperatures spanning a broad range of potential ambient temperatures to which the shipping system may be exposed. In addition, forecasted ambient temperature data is obtained for a plurality of time intervals spanning the transport / delivery route. An effective ambient temperature, based on the forecasted ambient temperature, as well as rolling and cumulative averages, is then determined at each of the various time intervals. Using the effective ambient temperature, the thermal capacitance is determined from the compiled data and is compared to the cumulative absorbed energy. The shipping system fails when the cumulative absorbed energy exceeds the thermal capacitance.

The invention discloses an infrared scene rendering method based on rasterization and path tracking hybrid architecture, and belongs to the field of image processing, and the method comprises the steps: building a corresponding heat transport tracking path for each heat transport mechanism in a virtual space; according to all the heat transport tracking paths, determining a comprehensive heat transport environment of a virtual space formed by the combined action of all heat transport mechanisms; rasterization rendering is carried out based on the comprehensive heat transport environment, so that an infrared image of the virtual space under the target virtual camera shooting view angle is obtained; and according to the infrared image, generating an imaging image under the target virtual camera view angle. According to the method, the authenticity of the infrared image is improved, the calculation cost and the visual angle sensitivity are reduced, and the adaptability of the infrared rendering process in a complex scene is enhanced.

The present invention relates to an insulated transport container (1) having an outer shell (2) surrounding an outer insulating chamber (28), an inner shell (3) disposed within the outer shell (2), and a cooling chamber shell (47) surrounding a cooling chamber (4), the cooling chamber shell (47) being connected to a closable tubular inlet channel element (5), the interior (52) of which opens to the cooling chamber (4). The cooling chamber (4) has a plurality of chambers (40, 41, 42, 43, 44, 45, 46) for receiving items (7) to be refrigerated, wherein the cooling chamber (3) has a central refrigerated item chamber (40), and the tubular inlet channel element (5) is disposed at the center of the outer shell (2) and the inner shell (3) and is flush with the central refrigerated item chamber (40). The present invention is characterized in that a central refrigerated goods compartment (40) is surrounded by a plurality of centrifugal refrigerated goods compartments (41, 42, 43, 44, 45, 46); the centrifugal refrigerated goods compartments (41, 42, 43, 44, 45, 46) are connected to or can be connected to the central refrigerated goods compartment (40) through their respective conveyor gates (41', 42', 43', 44', 45', 46'); and the central refrigerated goods compartment (40) is equipped with a tubular annular sliding device (6). The tubular annular sliding device (6') is rotatable about the central axis (X) and has at least one conveying port (65). By rotating the annular sliding device on the circumferential wall (62) of the annular sliding device, the conveying port can be aligned with the corresponding conveying gates (41', 42', 43', 44', 45', 46') to form a passage from the paired centrifugal refrigerated compartments (41, 42, 43, 44, 45) to the central refrigerated compartment (40).

The application provides a frequency modulation type annular laser heating thin film thermal diffusivity transient measurement method and device, and relates to the technical field of thin film material thermal diffusivity measurement. The method comprises the following steps: generating a cosine electrical signal and converting the same into radio frequency power through a driving circuit to obtain a periodic heat flow with cosine distribution over time on the surface of a sample through laser modulation; the modulated light beam is expanded, phase shaped and bright spot eliminated to form an annular heating light beam and realize non-contact rapid heating and generation of a uniform annular heating zone; a micro displacement table is used to adjust a thermocouple probe to a light contact state on the back of the heating zone to collect an original temperature measurement signal; then, the signal is phase-locked amplified and post-processed to finally obtain the thermal diffusivity of the thin film. The application can significantly improve the non-destructiveness and high signal-to-noise ratio of the temperature measurement process, solve the problems of uneven heat flow distribution and large edge heat loss, and realize rapid and accurate evaluation and measurement of the thermal transport characteristics of the thin film.

Tissue-mounted devices and methods for monitoring a thermal transport property (e.g., thermal conductivity, thermal diffusivity, heat capacity) of tissue, such as skin, are disclosed. The devices conformally mount to the tissue and comprise one or more thermal actuators and a plurality of sensors. The actuator applies heat to the tissue and the sensors detect a spatio temporal distribution of a physiological tissue parameter or physical property resulting from the heating. This spatio temporal information may be correlated with a rate, velocity and / or direction of blood flow, the presence of a vascular occlusion, circulation changes due to inflammation, hydration level and other physiological parameters.

A thermal conductivity fluid sensor for detecting a first component of a mixture, the thermal conductivity fluid sensor comprising: a first heating element; and a controller, the controller configured to: control a temperature of the first heating element such that the temperature of the first heating element changes from a first temperature to a second temperature over a first transient time period; obtain a first reading indicative of a first thermal transport property of the mixture during the first transient time period; obtain a second reading indicative of second thermal transport property of the mixture when the first heating element is at the second temperature; and determine, based on the first reading and the second reading, a concentration of the first component of the mixture. A method for determining a concentration of a component of a mixture is also described.

The application provides a phase field prediction method and device for Sn-Bi solder interconnection thermal migration induced phase separation and a storage medium, and belongs to the technical field of electronic packaging joint reliability simulation. The method comprises the following steps: importing Sn-Bi solder interconnection simulation parameters, and constructing a solder interconnection structure model; performing isothermal phase field evolution analysis on the solder interconnection structure model to obtain isothermal microstructure evolution results; introducing a temperature gradient driven flux based on the isothermal microstructure evolution results, performing thermal migration phase field analysis, and obtaining phase separation prediction results under a temperature gradient; performing regional extraction on the phase separation prediction results to obtain at least one reliability evaluation index in the group of global Bi average concentration, cold end Bi average concentration, hot end Bi average concentration, cold end Bi enrichment layer thickness, Bi enrichment phase average equivalent radius and equivalent thermal conductivity reduction rate. The application realizes integrated prediction of Sn-Bi solder interconnection isothermal microstructure coarsening, temperature gradient thermal migration segregation and reliability index extraction, can quantitatively evaluate the segregation of Bi enrichment phase to the cold end and the degree of thermal transport performance degradation, and improves the modeling efficiency and engineering applicability of thermal migration failure analysis.

A thermal energy storage (TES) system converts variable renewable power (VRE) to continuous heat exceeding 900 DEG C. The intermittent electric energy heats the solid medium. Heat from the solid medium is continuously delivered as needed. Heat transfer via the flowing gas establishes a thermocline that maintains a high outlet temperature throughout the discharge process. The delivered heat may be used in processes including power generation and cogeneration. The thermal storage medium may constitute a refractory material, such as bricks or concrete configured with radiant cavities and fluid flow channels, to provide rapid radiant heat charge and long term convection exotherm from the VRE. The configuration or construction of the thermal storage medium enables a substantially horizontal thermocline and thermal transport arrangement that thermally provides anti-seismic stability and facilitates significant scalability of the TES system primarily by increasing the length of the system without increasing the excess height, thereby facilitating both stability and efficiency of the thermal transport structure.

An acoustic resonator is provided that includes a piezoelectric layer; an interdigital transducer on the piezoelectric layer and that includes a plurality of interleaved fingers; a lid disposed above the piezoelectric layer and defining a first cavity between the lid and the piezoelectric layer; a substrate disposed below the piezoelectric layer opposite the lid; and a second cavity between at least a portion of the piezoelectric layer and at least a portion of the substrate. Moreover, a height of the first cavity is greater than a pitch of at least two interleaved fingers of the plurality of interleaved fingers and at most four times greater than a height of the second cavity.

A targeted jet-cooling system removes heat from high-density compute assemblies using multiple coolant jets directed at individual heat sources. Each jet is independently tuned in flow rate, pressure, or angle to equalize flow rate and maximize thermal performance. The coolant may be a dielectric two-phase liquid at atmospheric pressure (JETSTREAM) or supercritical CO2 in a closed-loop high-pressure configuration (JETSCI). Jet arrays impinge on exposed surfaces of compute stacks mounted on a wafer- or panel-scale substrate, achieving thermal transport exceeding 100 KW per rack while sustaining computing throughput from 10 exaFLOPS to 1 zettaFLOPS per rack.

This invention relates to a Cs3Bi2I9 single-crystal material with dual thermal transport behavior, its preparation method, and its applications, belonging to the field of single-crystal material technology. The preparation method includes the following steps: CsI and BiI3 are mixed and ground uniformly according to a stoichiometric ratio, then transferred to a quartz tube, vacuum-sealed, and sequentially subjected to high-temperature melting, quenching, and annealing to obtain a Cs3Bi2I9 polycrystalline ingot with a density of not less than 97%; the Cs3Bi2I9 polycrystalline ingot is placed in a sealed quartz tube, and the sealed quartz tube containing the Cs3Bi2I9 polycrystalline ingot is placed in a vertical temperature gradient furnace, first melted at high temperature, and then cooled to room temperature to obtain the Cs3Bi2I9 single-crystal material with dual thermal transport behavior. Compared with the prior art, this invention innovatively produces a Cs3Bi2I9 single-crystal material with unique dual thermal transport behavior, providing a new design concept for controlling heat transfer through crystal chemistry, and also opening up a new path for developing anisotropic thermoelectric materials with thermal management functions.

The application provides a combined design method for a heat transport and load-carrying structure of a hypersonic vehicle wing, and the combined design method is characterized in that: based on the topological optimization design of the load-carrying structure of the hypersonic vehicle under the condition of heat-force coupling and the topological design of the heat transport path of the wing based on a high-thermal-conductivity material, different reference schemes are provided on the load-carrying structure and the heat transport structure respectively, the two schemes are combined, and a combined design scheme of the load-carrying / heat transport structure is obtained. Compared with the single load-carrying structure and the single heat transport structure, the combined design scheme has higher implementation possibility, higher load-carrying / heat transport capacity and lower mass cost, and provides a more practically meaningful reference for the structural design of the hypersonic vehicle.

The application discloses a quantum transport-thermal transport-thermal stress coupling fast simulation method in a three-dimensional nano device. By solving the quantum transport equation, the heat conduction equation and the solid mechanics balance equation in the coupling mode space, the three-dimensional nano semiconductor device is simulated fast, and the calculation amount of solving the three-dimensional quantum transport equation is reduced. The method comprises the following steps: (1) using the non-equilibrium Green function method, solving the three-dimensional quantum transport equation in the coupling mode space while considering the thermal stress and the phonon scattering effect; (2) using the current density spectrum to calculate the heat source distribution and the current respectively; (3) based on the numerical method and the heat source distribution, solving the heat conduction equation and the solid mechanics balance equation to obtain the temperature distribution and the thermal stress distribution; (4) converting the thermal stress to the mode space, and substituting the temperature distribution and the thermal stress distribution into the quantum transport equation, and repeating steps (1)-(4) until convergence. The application provides a simulation method for the design and optimization of the three-dimensional nano semiconductor device.

The invention provides a method for predicting thermal characteristic change of an interface by changing a torsion angle between gallium nitride layers, which belongs to the technical field of micro-scale thermal transport, and comprises the following steps: taking gallium nitride with a preset size as a substrate, and taking another gallium nitride with a larger size aligned with the center of the substrate as an epitaxial layer above the substrate, establishing an initial state molecular dynamics model; rotating the epitaxial layer according to a preset torsion angle, and cutting the epitaxial layer by taking the size of the substrate as a reference to obtain a calculation model which is as large as a substrate interface, so as to form a gallium nitride / gallium nitride heat conduction system; step-by-step relaxation is carried out on the gallium nitride / gallium nitride heat conduction system by using a molecular dynamics simulation method, and after the system is balanced, energy and interface temperature in a steady-state simulation process are obtained; and obtaining the interface thermal resistance under different torsion angle contacts according to the energy change and the interface temperature difference during different torsion angle contacts. The invention discloses the influence of different inter-layer torsion angles on gallium nitride / gallium nitride inter-layer heat conduction.

This invention belongs to the field of chip thermal management technology and discloses a method for simulating thermal transport at semiconductor heterostructure interfaces using micro / nanostructures. The method includes: defining the basic conditions such as the heterostructure system and interface type, setting optimization objectives and evaluation indicators; then, parameterizing the interface micro / nanostructure based on a morphology parameter database and establishing a three-dimensional geometric model; constructing a phonon parameter library using first-principles calculations; solving the phonon Boltzmann transport equation using the Monte Carlo method; simulating phonon transport and calculating thermal indicators; generating a simulation dataset under manufacturing constraints; training a neural network surrogate model based on the dataset to establish a fast mapping between morphology parameters and thermal indicators; using a genetic algorithm for global search to output a candidate solution set; finally, verifying prediction errors through high-fidelity solving, selecting high-confidence candidate solutions, and verifying the heat transfer performance of the candidate solutions. This invention provides a precise solution for enhancing heat transfer at semiconductor heterostructure interfaces, improving device thermal performance and reliability.

This invention relates to the field of thermal management technology, specifically to a method for manufacturing a harmonica-shaped vapor chamber. The method first provides a copper-aluminum composite billet, which is extruded into a harmonica-shaped shell and microchannels. Then, a differentiated capillary column array is deposited on the inner wall of the microchannels using selective laser melting. Next, copper powder slurry is sintered to form a porous substrate layer. Following this, a dendritic fractal microchannel network is constructed using electrochemical etching, and a nanocomposite coating is deposited. Finally, the shell is laser-welded to seal it. After vacuuming, a nanofluidic working fluid containing carbon nanotubes is filled in, and the process is completed by heat treatment. This method integrates additive manufacturing, micromachining, and surface modification technologies, aiming to manufacture a vapor chamber with high-efficiency thermal transport performance. The integrated manufacturing of the harmonica-shaped shell through copper-aluminum composite material extrusion completely eliminates peripheral welding joints in traditional processes, improving airtightness by over 95%, while maintaining high thermal conductivity and achieving a 35% weight reduction.

A method is provided for the controlled routing of hydronic flow within a climate control system. The method includes determining a condition type request for a plurality of area zones corresponding to a particular thermal zone. The method further includes determining a supply temperature type associated with at least a supply line of a primary supply loop and a supply line of a secondary supply loop. The supply temperature type is indicative of a thermal transport fluid temperature within the respective supply line. The method further includes providing an actuation signal set to a valve assembly. The actuation signal set is configured to describe a position for each value of the valve assembly and the position for each valve is based on the conditioning type request and the determined supply temperature types.

The present application relates to a kind of passive helicopter cabin heating system using lubricating oil waste heat, belong to airborne environmental control system field.The proposed heating system includes lubricating oil system, passive heat transport device and heat exchanger;The lubricating oil system is increased lubricating oil heat releaser in the pipeline of conventional lubricating oil system;The passive heat transport device at least includes shut-off valve, exhaust / liquid filling pipe, evaporator, steam pipeline, temperature control valve, cabin radiator, radiator, liquid pipeline, pressure stabilizing tank, working medium;The evaporator is arranged in the same heat exchanger with lubricating oil heat releaser to realize heat exchange;A certain amount of working medium is injected into passive heat transport device, and finally shut-off valve is closed;Recycling of lubricating oil waste heat is realized by the circulation of working medium in passive heat transport device.The present application solves the problem of cabin heating on engine performance, with low compensation, high energy efficiency characteristics, while also having good maintainability.

The utility model relates to the technical field of LNG vacuum heat insulation transportation storage tanks, in particular to an LNG vacuum heat insulation transportation storage tank which comprises a transportation storage tank outer tank, a heat insulation material layer is fixedly installed on the inner wall of the transportation storage tank outer tank, an inner tank is fixedly installed on the inner wall of the heat insulation material layer, and a vacuum layer is arranged between the heat insulation material layer and the inner tank. The inner wall of the bottom of the heat insulation material layer communicates with a third connecting pipe, and the bottom of the third connecting pipe communicates with a vacuumizing exhaust pipe. According to the equipment, a high-vacuum multi-layer winding type heat insulation layer is adopted as a heat insulation material layer, a metal reflecting layer is matched with a spacing layer, and a vacuum layer between an outer tank and an inner tank of the transportation storage tank is combined, so that the heat insulation performance is greatly improved, the gasification loss of LNG in the transportation process can be effectively reduced, the energy loss is reduced, and the transportation economy is improved; the high vacuum state of the vacuum layer is maintained through cooperation of the third connecting pipe and the vacuumizing exhaust pipe, the heat insulation effect is continuously guaranteed, and stable storage and transportation of LNG are guaranteed.