217 results about "Building envelope" patented technology

The invention belongs to the technical field of building energy conservation, and provides a real-time inversion method and system for a heat transfer coefficient of a building envelope, and the method comprises the steps: obtaining surface parameters and environment parameters of the building envelope; based on the obtained parameters and the physical neural network model, taking the minimum joint loss function based on the physical mechanism as a target, and performing inversion to obtain the optimal heat conductivity coefficient of the building envelope; and calculating the heat transfer coefficient of the building envelope according to the obtained optimal heat conductivity coefficient of the building envelope, and completing real-time inversion of the heat transfer coefficient of the building envelope.

A lightweight thermal barrier panel and anchor assembly for installation on a new or existing building envelope is disclosed. The system includes a modular panel with an infill barrier and structural anchors. The anchors are attached to the new or existing building envelope on at least one side of the building envelope to receive the thermal barrier panel to create an air cavity between the panel and the building envelope. The thermal barrier panel framing includes openings within rigid framing members to promote ventilation of the air cavity to the at least one side of the thermal barrier panel.

The invention relates to the technical field of dynamic optimization of building thermal resistance, and discloses an intelligent building envelope structure dynamic temperature adjustment system based on reinforcement learning. The system comprises a data acquisition layer, a multi-agent decision-making layer, an envelope structure execution layer and an energy consumption optimization layer. The data acquisition layer is used for detecting meteorological data of a current area, state data of an enclosure structure and temperature and humidity of an indoor environment. According to the system, through innovative material-algorithm collaborative design, dynamic optimization and accurate regulation and control of thermal performance of a building are achieved, dynamic stepless regulation of thermal resistance of an enclosure structure body is achieved for the first time, the core pain point that static design is difficult to adapt to dynamic climate change is solved, the system has self-learning ability and physical constraint guarantee, and the system has good application prospects. The method has wide application prospects in the fields of super high-rise buildings, data centers, medical clean spaces and the like.

The invention relates to the technical field of building energy saving and comfort level optimization, in particular to a building energy consumption and comfort level target optimization method and system based on a neural network and a genetic algorithm, by adopting the method provided by the invention, the weight and bias of a BP neural network are optimized through a grey wolf algorithm (GWO), and the prediction precision is improved; on the basis of a GWOBP model, NSGA-II is used for multi-objective optimization, a Pareto optimal solution is obtained, the optimal combination of the near-zero-energy-consumption residential building envelope structure (the types and thicknesses of wall bodies and roof thermal insulation materials, the types of windows and the horizontal sunshade overhanging length) and the number of ventilation times is selected, and the number of ventilation times is calculated. The problem of multi-objective optimization of annual primary energy consumption and annual uncomfortable degree hours of the residential building is solved, and an optimal balance point between the energy consumption and the comfort degree is found.

A building system and corresponding method may include a building structure. A building system and corresponding method may include a building envelope membrane installed on the building structure, the building envelope membrane comprising: a first release liner, wherein the first release liner comprises: a first polymer, and a UV stabilizer, wherein the first release liner includes 1 wt. % to 90 wt. % of the UV stabilizer based on a total weight of the first release liner, wherein the first release liner is an outer layer, wherein the first release liner is removable, a first adhesive layer, a membrane layer, wherein the first adhesive layer is positioned between the first release liner and the membrane layer; and a second adhesive layer, wherein the membrane layer is positioned between the first adhesive layer and the second adhesive layer, wherein the second adhesive layer contacts the building structure.

The invention relates to the technical field of building carbon emission measurement and calculation, and provides a building envelope structure carbon emission dynamic measurement and calculation method which comprises the following steps: step 1, area delimitation: dividing building areas, and combining the same kind of building areas; step 2, individual enclosure structure collection: the unmanned aerial vehicle is used for aerial photography to collect all-angle camera pictures of the individual building enclosure structure in the building area; by considering different time variation and space planning of the building, the heat transfer process of the building envelope and the indoor temperature change are dynamically simulated, the carbon emission measurement and calculation result is updated in real time, and the dynamic change of the carbon emission of the building is reflected in time; the heat transfer and heating capacity of the building envelope structure can be accurately measured and calculated under the influence of solar radiation intensity and outdoor temperature change in different time periods of a building in one day and different orientations, different floors and surrounding environments of the building on heat transfer.

The invention discloses an energy consumption optimization method for integrating building structure parameters. The method comprises the following steps: acquiring geometric morphology, enclosure structure, equipment configuration, personnel activity and external environment data of a building in real time by using an intelligent sensor and a building information model; based on the collected data, calculating thermal load and energy consumption distribution of the building, extracting energy efficiency performance indexes, and establishing an energy efficiency baseline model; the thermal performance of the building envelope structure is dynamically adjusted by utilizing a self-adaptive envelope structure technology so as to adapt to external climate change and internal thermal load requirements; based on the optimized enclosure structure characteristics, an energy recovery system is started, and waste heat and air flow energy in the building are converted into available energy; in combination with energy efficiency data fed back in real time, the intelligent scheduling system dynamically adjusts the operation strategy of the building equipment, optimizes the energy efficiency, reduces unnecessary energy consumption and improves the comfort level; the building energy efficiency is evaluated regularly, and it is ensured that the building continuously maintains the optimal energy efficiency under different seasons, environment changes and use requirements.

Interlocking building blocks that, when connected together in a plurality of blocks, create a structural building envelope consisting of a continuously-insulated exterior-facing section and an interior-facing section consisting of open stud bays. The system of building blocks combines aspects of both stick-built and SIP-panel framing systems to provide simplified assembly and improved thermal performance while mitigating common issues with both systems regarding compromised structural and insulative integrity encountered in the build process.

The invention discloses a regional heat supply system energy-saving optimization technology based on multi-dimensional intelligent prediction and cooperative regulation, which comprises the following steps: (1) establishing a heat consumer side mathematical model of a regional heat supply system, covering a heat exchanger, a secondary pipeline, a radiator and a building envelope structure, and obtaining an indoor temperature dynamic response model; (2) collecting multi-dimensional data such as primary and secondary loop temperature, pressure, flow, valve opening and indoor and outdoor environment in real time; (3) constructing an intelligent prediction model based on CNN and FCM, optimizing hyper-parameters by using BKA, and realizing high-precision short-term prediction of the water supply temperature of the secondary loop; (4) taking a prediction result as a target, and adopting a WOA regulated PID controller to accurately regulate a primary loop flow valve; and (5) dynamically adjusting the rotating speed of a secondary side water pump according to the temperature difference of supply water and return water of a secondary loop, optimizing system heat distribution and realizing real-time load adaptation. According to the invention, the problem of disjunction of regional heat supply prediction and regulation is solved, and a new method for realizing accurate temperature control and energy conservation is provided.

The present application relates to the technical field of building energy-saving design, in particular to a building envelope energy-saving scheme optimization method based on energy consumption simulation data analysis, comprising: obtaining the building envelope design scheme to be evaluated and annual hourly heat load, cold load and comprehensive energy consumption simulation data; calling an improved particle swarm optimization algorithm which is adaptive to the particle learning mode according to the dynamic coupling relationship between energy consumption simulation and envelope parameters, completing the iterative optimization of design scheme parameters and generating an optimized parameter set; performing multi-objective normalization processing on the optimized parameters to obtain the optimized values of heat transfer coefficient, shading coefficient, air tightness grade, etc.; inputting the comprehensive evaluation results into an economic evaluation model, combining energy prices and material costs, screening the economic feasibility scheme list that meets the energy-saving rate constraint, and finally determining the building envelope energy-saving optimization scheme.

The present application relates to the technical field of building thermal test, and provides an experimental device for coupling sky cold and hot radiation effects and a control method thereof.The device comprises a first radiation cooling component, a solar radiation component and an air cooling component, the first radiation cooling component is obliquely arranged on both sides and connected at the top to form a detection space, the air outlet of the air duct of the air cooling component is located at the bottom of the components on both sides, the air return port is opposite to the top, and the solar radiation component is fixed in the air duct away from the detection space on one side.The present application cooperatively arranges the obliquely combined first radiation cooling component, the air cooling component with air supply at the bottom and air return at the top, and the solar radiation component arranged in the air duct in isolation, constructs a detection environment balanced in cold and hot radiation, realizes coupling simulation of solar radiation heat effect and sky radiation cold effect, can more accurately test the performance of energy production type building envelope components, and solves the technical problem that the existing building thermal test device has low test precision and cannot meet the performance evaluation of energy production type building envelope components.

The present application relates to the technical field of building management data analysis, and particularly relates to a building energy consumption saving optimization control method based on reinforcement learning. The method comprises the following steps: performing building envelope thermal dynamic response characteristic analysis based on building multi-source heterogeneous energy consumption data and building envelope basic data to generate building envelope thermal dynamic response characteristic data; analyzing building envelope multi-scheme simulation energy consumption characteristic data based on the building envelope thermal dynamic response characteristic data, and analyzing building envelope multi-scheme energy consumption trend data; establishing a building envelope energy saving control learning model based on the building envelope multi-scheme energy consumption trend data; transmitting building operation and maintenance target requirement data to the building envelope energy saving control learning model to perform building energy consumption saving collaborative control relationship analysis, so as to design a building energy consumption saving optimization control strategy. The present application realizes intelligent control of building energy consumption saving optimization.

The application discloses a load prediction and adaptive adjustment method of a district heating system, and belongs to the field of intelligent heating and energy management automation. The method constructs a graph model representing the physical topology structure of the heating pipe network, and quantifies the heat transfer attenuation by giving dynamic connection weights to the connection between nodes based on the pipe physical parameters. After obtaining the thermal data and outdoor environment data, the historical data and the graph model are input into the load prediction model to extract the spatial coupling characteristics between each heat exchange station, and the time domain coding characteristics are extracted based on the outdoor environment data. A feedforward compensation mechanism for the thermal inertia of building envelopes is introduced in the process to correct the temperature response lag. The above-mentioned characteristics are fused to generate a heat load prediction value, and the circulating pump frequency or the primary side electric regulating valve opening degree of each heat exchange station is adaptively adjusted accordingly. The application solves the problems that the existing method cannot fuse the spatial coupling relationship of the pipe network and lacks thermal inertia compensation, and improves the prediction accuracy and system energy efficiency.

The invention relates to a building envelope state monitoring method, which comprises the following steps of providing an unmanned aerial vehicle, and loading a camera and a position sensor on the unmanned aerial vehicle; the unmanned aerial vehicle is controlled to inspect the building facade, and picture data and corresponding position information of the building facade are collected through the camera and the position sensor; the collected picture data are preprocessed to form data fragments, and the data fragments and the corresponding position information are stored; analyzing the building facade in each data segment and detecting whether the building facade has an abnormal area, if not, outputting the data segment and marking the data segment as normal, and if the data segment has an abnormal area, outputting the data segment and marking the data segment as abnormal; and feeding back the data fragments marked as abnormal and the corresponding position information to a maintenance management department.

The invention relates to the technical field of building physics and artificial intelligence crossing, and discloses a traditional village dwelling thermal performance prediction system based on deep learning, comprising a data acquisition module for acquiring solar radiation, wind speed and direction, internal and external pressure difference and indoor and outdoor temperature; the radiation decoupling network module is used for predicting the net radiation heat flux of the outer surface according to the solar radiation, the sun position and the component posture; the microclimate permeation network module is used for predicting a convective heat transfer regulation factor according to the pressure difference, the wind and the opening state; the implicit state network module adopts a circulation structure and introduces an implicit thermal state vector to represent the thermal inertia of the enclosure structure; and an indoor thermal environment integration module that integrates the convective heat flux based on the heat balance and outputs an indoor air temperature predicted value. According to the system, through decoupling modeling of radiation, permeation and heat transfer of the enclosure structure, prediction interpretability of the indoor thermal environment of a traditional dwelling is improved, and the system is suitable for building scenes which are built with non-standard materials such as rammed earth and depend on natural ventilation.

The present application relates to building energy saving and energy consumption data analysis technical field, disclose a kind of based on multi-source data's existing building energy consumption evaluation system and method, system includes: data acquisition module obtains multi-source data sequence and solves power factor;Steady-state slice module removes transient power sequence to generate quasi-steady data set;Load decoupling module extracts and deducts static baseline and dynamic activity load;Efficiency compensation module constructs compensation factor according to power factor variance, exports pure heat load power sequence;Hysteresis diagnosis module decomposes high and low frequency components, extracts shallow and deep thermal inertia delay parameters;Defect evaluation module calculates equivalent comprehensive heat transfer coefficient, and it is combined with two delay parameters and compared with standard benchmark, judge the defect condition of envelope structure.The present application excludes personnel activity interference, equipment transient fluctuation and unit energy efficiency deviation, obtains energy consumption data reflecting the actual heat transfer characteristics of building envelope structure, realizes the determination of building physical defect type.

The utility model relates to a half-range alternate passage road-to-bridge structure for reconstruction and extension of a road. Comprising a double-steel-casing combined structure, an anchor cable reverse light soil embankment steel sheet pile protection structure used for half-range vertical excavation protection construction of the original road surface soil layer road-to-bridge change after bridge excavation, and a light soil embankment opposite-pull anchor cable steel sheet supporting structure used for slope protection construction of the original road surface soil layer road-to-bridge change after bridge excavation. The light soil embankment steel sheet pile protection structure has the advantages that the anchor cables are adopted for reversely building the light soil embankment steel sheet pile protection structure, a building envelope is formed through the steel sheet piles, extra supporting force is provided in combination with the anchor cables, and the stability of a foundation pit is effectively guaranteed; the light soil embankment opposite-pull anchor cable steel plate supporting structure is adopted, and the stability and the bearing capacity of a supporting system are effectively improved; the opposite-pulling anchor cables are arranged in the light soil embankment and are connected with the steel plates to form an integral stress structure, so that the soil body pressure is effectively dispersed, and the burden of the self weight of the embankment on a foundation is reduced.

The invention relates to a sandwich panel comprising a photovoltaic active area positioned on the outer sheet and whose electrical connectors are positioned in a first cavity positioned within the insulation material and adjacent to either one of the sides of the insulation material or the inner sheet so that the electrical connectors can be accessed from the first cavity.

Wall element for the production of a thermally insulated building envelope, especially for modular timber construction, comprising - a load-bearing timber frame with a sill (7), a top plate (8), several posts (9) and at least one stiffening strut (6), - an outer deck plate (2), - an inner cover plate (3), - Installation pipes integrated into the timber frame (4), characterized in that all cavities of the timber frame are filled with a hardening rigid foam, wherein the rigid foam connects and seals the components together in a materially bonded manner.

The utility model provides an enclosure structure suitable for a dry-type building, comprising: a side wall frame, the side wall frame comprising a plurality of main body structural beams arranged in an array; the multiple groups of enclosure connecting assemblies are arranged on the side wall frame, and each enclosure connecting assembly comprises a first angle steel piece and a second angle steel piece which are detachably mounted on the main body structural beam through bolts; the peripheral guard plate pieces are detachably mounted on the outer side of the main body structural beam through a group of enclosure connecting assemblies so as to form an outer wall of the dry type building; a plurality of limiting rectangular pipes are arranged on the first angle steel piece and the second angle steel piece in a sectional mode and used for limiting the installation position of the peripheral protection plate piece. The building envelope provided by the utility model is convenient to mount and dismount, the structure can be repeatedly used for many times, and simulative building scenes are enriched.

The invention discloses a porous microstructure foaming white cement radiation refrigeration composite material and a preparation method thereof, and belongs to the technical field of building energy-saving materials.According to the material, sulphoaluminate white cement serves as a base material, a foaming agent is added, and evenly-distributed porous microstructures are formed in the preparation process; by utilizing the synergistic effect of the high reflection characteristic of the sulphoaluminate white cement and the enhanced scattering and heat insulation performance of the porous microstructure, the efficient radiation refrigeration function is realized; the problems that a traditional white cement material is low in radiation refrigeration efficiency and insufficient in heat insulation performance are solved, the preparation process is simple, the cost is controllable, the material can be widely applied to building exterior walls, roofs and other building envelopes, and remarkable energy-saving benefits and market application prospects are achieved.

This reduces the effort required from users to evaluate the energy efficiency performance of designed buildings. [Solution] The energy-saving performance evaluation system 1 has a control unit 21 that evaluates energy-saving performance. The control unit 21 acquires basic information about the structure and orientation of the design building to be evaluated, calculates a first load amount related to the environmental load of the standard building based on standard building information about the standard building, acquires customized specification information for adjusting the environmental load of the design building, calculates the solar radiation load using the basic information and customized specification information about the building envelope, identifies the air conditioning capacity corresponding to the solar radiation load, calculates a second load amount that can be compared with the first load amount using the air conditioning capacity and customized specification information about air conditioning and other equipment, and outputs a display comparing the first load amount and the second load amount to the display device of the user device 10.

This utility model discloses a metal-faced sandwich composite integrated panel for shielded rooms, relating to the fields of electromagnetic shielding and building envelope technology. This utility model includes a new integrated panel one for external building shielding and enclosure and a new integrated panel two for internal building shielding, decoration, and sound absorption. New integrated panel one consists of an enclosure layer, a sandwich layer, and a shielding layer; new integrated panel two consists of a shielding layer, a sandwich layer, and an enclosure layer. Through the unique design of new integrated panels one and two, this utility model is suitable for a wide frequency band of 10kHz-50GHz, exhibiting excellent shielding effectiveness, meeting and exceeding the national military standard GJB5792A-2021C level standard, fully meeting the design requirements of anechoic chambers and other types of shielded rooms. New integrated panels one and two are produced and constructed using innovative models and processes, achieving true integrated shielding, resulting in higher construction efficiency, better quality, stronger safety, shorter cycle time, and higher cost-effectiveness.

The invention relates to a robustness optimization design method for building envelope reconstruction, and the method comprises the steps: carrying out the clustering of an initial building envelope reconstruction scheme set through employing a clustering algorithm, and extracting a representative reconstruction scheme which reflects main features; according to the method, a probability density function and a Markov chain are used for representing uncertain parameters influencing building performance, Sobol sequence sampling is used for sampling the uncertain parameters, uncertain scenes with high coverage are formed, building performance simulation software is used for simulating all building performance indexes of a representative transformation scheme in all the uncertain scenes, and the performance of the representative transformation scheme in all the uncertain scenes is simulated. All building performance indexes are integrated into a comprehensive evaluation index through an entropy weight method, and a scheme with the minimum relative deviation index is selected as a scheme with the most robust performance; according to the method, the coverage degree of uncertainty scenes and the accuracy of building performance index evaluation can be improved, the calculation efficiency is improved, and the building performance and robustness of the scheme are remarkably improved.

This invention relates to the field of building load calculation and building envelope optimization technology, specifically disclosing a method for calculating unsteady heat transfer in unsteady building envelopes with unsteady physical properties. The method includes the following steps: first, calculating the dynamic transfer matrix of the building envelope based on the variation law of the heat transfer coefficient of the unsteady physical property medium layer; then, obtaining the corresponding periodic response coefficient of the building envelope based on the hourly changes in outdoor conditions; finally, calculating the unsteady heat transfer when the heat transfer coefficient of the building envelope changes. This invention employs the above-mentioned method for calculating unsteady heat transfer in unsteady building envelopes with unsteady physical properties. By utilizing the variation law of the heat transfer coefficient of the unsteady physical property medium layer in the building envelope, the transfer matrix and periodic response coefficient of the building envelope can be optimized in real time, thereby matching the actual outdoor conditions and accurately quantifying the unsteady heat transfer of the building envelope.

The invention relates to the technical field of civil engineering, in particular to an anti-falling device for an urban updated building reconstruction enclosure structure, which comprises a mounting frame, a grid plate is fixedly connected to the lower side of the interior of the mounting frame, and uniformly distributed disassembly and assembly assemblies are fixedly connected to the upper side of the grid plate and are used for conveniently replacing an air bag. Fixing frames are fixedly connected to the four corners of the exterior of the mounting frame, fixing rings are fixedly connected to the upper sides of the fixing frames, fixing cylinders are fixedly connected to the sides, close to each other, of the fixing rings, fixing rods are rotatably connected to the interiors of the fixing cylinders, and limiting blocks are fixedly connected to the two sides of a fixing disc; and an adjusting screw rod is fixedly connected to the lower side of the fixing disc, the adjusting screw rod is in threaded connection with the interior of the adjusting groove, and a rotating block is fixedly connected to the exterior of the upper side of the fixing rod. The air inflation device has the effects that the mounting frame can be quickly mounted, and the air inflation pressure can be automatically adjusted according to the mounting height.

The invention discloses a recyclable low-thermal-conductivity composite phase change material as well as a preparation method and application thereof, and relates to the technical field of building energy conservation. The composite material comprises polyethylene glycol (PEG) and a polymer matrix coating the polyethylene glycol, the polymer matrix is of a three-dimensional network structure formed by crosslinking polyvinyl alcohol (PVA) and sodium carboxymethyl cellulose (CMC-Na). According to the invention, PEG is loaded in situ in a PVA / CMC-Na skeleton through a freeze-drying method, the obtained composite phase change material (CPCMs) realizes excellent shape stability by virtue of hydrogen bond acting force and capillary acting force, and meanwhile, pores formed in the freeze-drying process enable the composite phase change material to have low thermal conductivity. The composite phase-change material is applied to building envelope structures and used for building temperature regulation. The composite phase change material is simple in preparation method, good in temperature adjusting performance and convenient to recycle.

The invention discloses a light composite peripheral guard board system for an assembly type elevator shaft, and relates to the technical field of building envelope structures, the guard board system is formed by compounding a micro-perforated ceramic panel, a butyl rubber damping buffer layer and an aerogel-graphene gradient composite core layer through a nanoscale interface agent; an algorithm is integrated to optimize the strength and evaluate the performance, an integrated L-shaped ceramic reinforced edge is arranged on the peripheral edge, and the core layer is of a composite structure with outer high-sealing holes, inner low-sealing holes and an interface in zigzag transition; according to the invention, through the design of the aerogel-graphene gradient composite core layer, collaborative optimization of structural strength and functional performance is realized, so that the protective plate has the advantages of light weight, high strength and impact resistance; through a multi-field coupling comprehensive performance algorithm, multi-dimensional performance integration improvement of sound, heat and vibration is achieved, it is ensured that the performance of a protection plate system is stable under the complex working condition, and the problem that the comprehensive performance of a traditional protection plate is unbalanced is solved.

The invention discloses an electromagnetic wave-transparent connecting module for splicing metal plates and a construction method. The module is made of an insulating material, is provided with a mechanical interface for connecting adjacent metal plates, and is internally provided with an electromagnetic regulation and control structure, so that electromagnetic waves of a preset frequency band can be allowed to pass while the electrical continuity between the plates is blocked. Structural connection, physical sealing and electromagnetic wave regulation and control functions are integrated, the electromagnetic shielding problem of a metal building enclosure system is fundamentally solved, structure-function integration is achieved, construction is easy and convenient, and a large-area seamless electromagnetic wave-transparent building facade or roof can be constructed.

The application relates to the technical field of wall energy saving, and provides a super-low-energy-consumption building envelope wall for high-rise buildings and a construction method, which comprises an outer wall, an inner wall, a passive window, a heat shielding layer and a binding thermal insulation layer, the binding thermal insulation layer, the heat shielding layer and the passive window are arranged between the outer wall and the inner wall, and the outer wall and the inner wall are both autoclaved aerated concrete boards. The super-low-energy-consumption building envelope wall for high-rise buildings and the construction method can solve the defect of the falling risk caused by the great thickening of the outer thermal insulation layer in the prior art, realize super-low-energy-consumption wall thermal insulation, and have no hidden danger of outer thermal insulation falling; under the premise of not arranging the outer thermal insulation, super-low-energy-consumption thermal insulation is realized; compared with the existing passive super-low-energy-consumption outer wall outer thermal insulation thin plastering system, the heat transfer coefficient is reduced by 25% under the premise of the same thickness, and the wall finish is easy to maintain.