508 results about "Membrane structure" patented technology

The invention relates to the technical field of material nondestructive testing, and discloses a membrane structure welding seam defect detection method based on image recognition, which is used for solving the problems of low defect segmentation accuracy and incapability of effectively recognizing internal defects caused by continuous image gray change of lap welding seams of unequal-thickness flexible materials in a traditional method. The method comprises the following steps: firstly, collecting an original image of the lap weld of the unequal-thickness flexible material, carrying out gray conversion, analyzing thickness gradient distribution, adjusting a gray value, carrying out region segmentation to lock a weld range, extracting potential defect edge features to form a candidate region, and carrying out classified verification to confirm internal defects. Aiming at the problem of low defect segmentation accuracy caused by continuous change of image gray in the prior art, the method improves the defect identification precision through segmented mapping and boundary tracking logic, and is suitable for membrane structure engineering quality control.

The invention relates to the technical field of ETFE film testing, and discloses an ETFE film structure life prediction method and system based on machine learning, and the method comprises the steps: carrying out the standardization preprocessing of the cyclic load fatigue data of an ETFE film structure in a biaxial stress state, and obtaining a standard feature vector; performing membrane structure geometric weight distribution on the standard feature vector to obtain a weighted feature vector; performing multi-time scale damage feature extraction based on the weighted feature vector to obtain a fused damage feature; inputting the fused damage features into a fatigue damage evolution physical constraint embedder for constraint calculation to obtain physical constraint damage features; bayesian probability life prediction is carried out on the physical constraint damage features, and a fatigue life prediction value of the ETFE film structure is obtained.According to the method, key damage parameters of different deformation stages can be recognized in a self-adaptive mode, the characterization precision of the fatigue behavior of the film structure is remarkably improved, and the life prediction accuracy of the ETFE film structure is improved.

The utility model provides an architectural membrane structure performance testing device for simulating a corrosion environment. The architectural membrane structure performance testing device comprises a membrane material tensioning device, an artificial corrosion simulation device and a data acquisition system, the membrane material tensioning device is used for fixing a to-be-tested building membrane material and applying tensioning force to the membrane material during testing; the manual simulation corrosion device comprises a control module, and a booster water pump and an ultraviolet lamp tube which are connected with the control module; the control module simulates the corrosion and aging environment of the membrane material by quantitatively switching on and off the booster water pump and the ultraviolet lamp tube during testing; the data acquisition system comprises a laser displacement sensor, and when the building membrane material with the mark point deforms in the simulated membrane material corrosion and aging environment, the laser displacement sensor monitors the deformation amount corresponding to the mark point and forms test data; the tension force and direction of the membrane structure can be accurately controlled, long-term corrosion is carried out after tension is completed, and accurate mechanical property analysis and evaluation are carried out on the safety performance of the membrane structure before and after corrosion.

A membrane structure for integrated production of a water ball is disclosed, including an integrated membrane, wherein the integrated membrane includes a membrane body portion and a pocket body portion, and a pocket body tear line is arranged between the membrane body portion and the pocket body portion; and the membrane body portion is provided with a water injection channel, and a one-way water inlet is arranged between the water injection channel and the pocket body portion.

The utility model discloses a novel air rib type inflatable membrane structure which comprises a main body structure formed by combining a plurality of independent air rib inflatable columns side by side from front to back, a grid drawstring structure is laid outside each air rib inflatable column, and each grid drawstring structure is composed of an axial drawstring, an annular drawstring and an inclined drawstring. The grid drawstring structure is provided with connection fixing points on the front side and the rear side of the air rib inflation columns, and the adjacent air rib inflation columns are connected through the connection fixing points. The limitation of the tensile strength of the PVC film material is broken through through the inflatable column external constraint drawstring net, and a mixed structure form of internal air pressure support and external drawstring net pulling is formed, so that the structure form is more stable, and the load resisting capacity is high; the air rib inflatable column structure of the external constraint drawstring net relieves the local stress concentration of the inner arc generated by the stress characteristic of the arc arch column, and the safety of the whole structure is effectively improved. And a modularized assembly structure form is adopted, so that disassembly, assembly and movement are convenient.

The invention relates to the technical field of seawater desalination, in particular to seawater desalination treatment equipment. The seawater desalination treatment can be realized without a filter, the accumulation of impurities on the outer wall of the ultrafiltration membrane structure is effectively reduced, the structural layout is scientific and reasonable, and the energy-saving and environment-friendly effects are realized; comprising a box body with an opening in the bottom, a settling seat assembly fixedly mounted at the bottom of the box body, a plurality of ultrafiltration membrane structures fixedly mounted on the top wall of the box body, a first vacuumizing pump, a piston plate mounted in the box body in an up-down sliding manner, a driving shaft fixedly mounted on the piston plate, a stretching floating mechanism and a counterweight assembly connected with the bottom of the piston plate, the piston plate is provided with a plurality of sealing scraping pieces which are matched with the ultrafiltration membrane structures and are correspondingly arranged, and the ultrafiltration membrane structures penetrate through the middle parts of the sealing scraping pieces; a one-way valve allowing seawater to enter the box body in a one-way mode is installed on the upper portion of the box body, the top of the driving shaft freely stretches out of the top of the box body, and the stretching floating mechanism comprises a floating piece and a traction rope.

A power module includes at least one power substrate; a plurality of power devices on at least one power substrate; power contacts; power wire bonds; and a composite physical containment structure having a composite element and an encapsulation material. The composite element may include a membrane structure, a dam structure and / or a glob structure; and a portion of the composite physical containment structure is arranged at least partially on the plurality of power devices, the power wire bonds, and / or the at least one power substrate.

The present application discloses a device and method for measuring the hail impact load of a membrane structure, and relates to the technical field of tensioned membrane structures. The device for measuring the hail impact load of a membrane structure includes a frame, a tensioning mechanism, a hail emission mechanism, and a signal acquisition mechanism; the tensioning mechanism is installed on the frame, and the tensioning mechanism is used to tension the membrane structure to be measured and form a membrane surface with a stable pre-tension; the hail emission mechanism is connected to the frame and is placed above the membrane surface, and the hail emission mechanism is used to emit hail onto the membrane surface; the signal acquisition mechanism is connected to the frame, and the signal acquisition mechanism includes a laser displacement sensor, and the laser displacement sensor is placed below the membrane surface. The device for measuring the hail impact load of a membrane structure can conduct an in-depth study on the dynamic response of the membrane structure under the action of hail impact load, and provide a theoretical basis for the impact resistance design of the membrane structure. The method for measuring the hail impact load of a membrane structure is convenient and fast, has a wide range of applications, and is highly accurate.

The air film structure with the cooling function comprises an air inflation film layer, a heat insulation layer and an air supply device, an air film space is formed between the air inflation film layer and the ground, and the heat insulation layer is arranged on the air inflation film layer; the heat insulation layer comprises a plurality of air rib pipe sections which are sequentially arranged on the air inflation film layer. One or at least two communicated air rib pipe sections form an air duct, so that a plurality of air ducts are formed on the heat insulation layer; each air duct is provided with an air inlet and an air outlet, the air inlets are connected with the air supply device, and the air ducts are used for receiving cold air of the air supply device so as to mix the cold air with heat of the inflatable film layer to cool the air film space; and the air outlet is used for discharging cold air and heat mixed in the air duct to the outside. According to the air film structure, cold air and heat of the air inflation film layer are mixed to cool the air film space through cooperation of the multiple air channels, the air inlets in the air channels, the air outlets in the air channels and the air supply device, and therefore the safety and reliability of the air film structure are improved.

The utility model relates to a multi-stage degassing device based on a membrane structure, and belongs to the technical field of liquid degassing. The multi-stage degassing device based on the membrane type structure comprises a liquid path structure, a degassing membrane and a gas path structure, and the downstream of a gas path main path is connected with negative pressure equipment. The whole device is arranged to be of a gas-liquid separation structure with a gas path and a liquid path separated, grading routes with height difference are arranged in the liquid path structure and the gas path structure respectively, and a multi-stage efficient degassing method is formed. In a preferable scheme, the gas path structure forms a three-stage gas path structure, that is, the silk screen, the gas path branch and the gas path main path 1 form different grades of gas path structures, and the silk screen is in direct contact with the degassing film, so that the structure is more beneficial to the degassing process of the gas, the efficiency is improved, the gas path branch is close to the degassing film, and a multi-stage degassing method is formed; and the whole mobile phase is effectively degassed.

The invention discloses a Dynamo parameterized modeling method for a membrane structure roof, based on Revit software, the Dynamo parameterized modeling method comprises the following steps: loading a Dynamo plug-in in the Revit software, and parameterizing in an XOY plane through the Dynamo plug-in to generate a plurality of space point sets approximately fitted on an outer contour projection line of the membrane structure roof; equally dividing the plurality of spatial point sets by taking the center of the projection line of the outer contour of the membrane structure roof as a circle center, and dividing the spatial point sets into two different sequences in sequence; the spatial point set of any sequence is moved upwards, so that a height difference is generated between the two sequences; combining the spatial point sets in the two sequences alternately in pairs, and connecting to form a closed curve passing through each spatial point set; and an upper curve which is the same as the outer contour of the top of the membrane structure roof is established above the center of the closed curve, the closed curve and the upper curve are subjected to cross section curve lofting to establish a space curved surface so as to form the membrane structure roof, and rapid, accurate and parameterized design of the membrane structure roof is achieved.

The utility model relates to flux-cored wire preparation intelligent feedback vibration powder filling equipment which comprises a flux-cored wire manufacturing production line, a feeding supporting platform and a hopper supporting platform. The hopper supporting platform is provided with a wall-hanging-preventing vibration discharging hopper, a hopper vibration buffering connecting device, a discharging observation pipe, an adjustable discharging device and a self-feedback discharging adjusting device from top to bottom, and the inner wall of the wall-hanging-preventing vibration discharging hopper is of a lotus leaf-imitating stretch-draw membrane structure. The wall-hanging-vibration-preventing discharging hopper is connected with the hopper supporting platform through a damping spring, a vibrator is arranged on the outer wall of the wall-hanging-vibration-preventing discharging hopper, and a discharging opening in the bottom of the wall-hanging-vibration-preventing discharging hopper is flexibly connected with the hopper vibration buffering connecting device. The powder feeding device has the advantages that the conditions that powder adheres to the wall surface, the discharging port is blocked, wall-hung powder is not prone to being poured out and the like are effectively prevented, the stirring gear at the tail end of the hopper can smash caked powder, meanwhile, uniform discharging is promoted, the discharging port is prevented from being blocked, and discharging uniformity and stability are guaranteed.

The utility model discloses a waterproof structure for an abutted seam of a wavy PTFE (Polytetrafluoroethylene) membrane structure. The waterproof structure comprises a waterproof structure at the abutted seam which is concave upwards and convex downwards and a waterproof structure at the abutted seam which is concave upwards and convex downwards, wherein the waterproof structure at the upper-concave and lower-convex abutted seam and the waterproof structure at the upper-concave and lower-convex abutted seam are connected with the upper-layer fixing frame and the lower-layer fixing frame through the supporting frame, the waterproof piece is installed on the supporting frame, and the two ends of the waterproof piece are connected with the upper-layer fixing frame and the lower-layer fixing frame through the sealing assembly and the decoration assembly respectively. The waterproof construction steps of the abutted seam position are simplified, the waterproof component is directly connected with the fixing frame, the stability of the waterproof structure is guaranteed, the waterproof performance is further guaranteed, the first supporting frame and the second supporting frame are arranged, reliable supporting points are provided for the waterproof plate, and the installation quality of the waterproof plate is further guaranteed.

The invention discloses a metalized back contact solar cell structure and a manufacturing method thereof, and the structure comprises a silicon substrate, a front surface film layer structure disposed at the upper end of the silicon substrate, a silicon substrate surface film layer structure, an emitter region film layer structure, and a silicon substrate surface film layer structure disposed on the back surface of the lower end of the silicon substrate. The surface film layer structure of the silicon substrate sequentially comprises a first tunneling passivation dielectric layer and a back surface doped film layer from top to bottom; a passivation dielectric film layer is arranged at the lower end of the silicon substrate surface film layer structure; the emitter region film layer structure is intermittently nested in the silicon substrate surface film layer structure, and the emitter region film layer structure comprises a second tunneling passivation dielectric layer and an emitter doped film layer from top to bottom in sequence; and a special gap structure is arranged between the silicon substrate surface film layer structure and the emitter region film layer structure. Due to the specific parameter setting of the gap structure, the reverse bias value of the back contact cell structure can exceed the reverse bias value borne by an existing solar cell with electrodes arranged on the two faces.

The invention provides a water-gas interface gas collecting device and a monitoring method, and the collecting device comprises a floating part which is constructed to be annular and floats on a liquid surface; the framework extends upwards from the floating part; the membrane structure is arranged on the framework and is suitable for enclosing a flux box with a top opening with the framework part and the floating part; the zero gas supply unit is suitable for supplying zero gas to a water-gas interface positioned in the flux box, so that to-be-detected gas from the water-gas interface moves upwards; and the collection unit is arranged at the upper part of the flux box and is suitable for collecting mixed gas containing zero gas and gas to be detected.

The utility model provides a sling type sewage pool covering membrane structure which comprises a water pool, the top of the water pool is fixedly connected with a fixed block, the top of the fixed block is fixedly connected with a fixed seat, the top of the fixed block is slidably connected with a movable seat, one side of the fixed seat and one side of the movable seat are fixedly connected with supporting rods, and the supporting rods are fixedly connected with the fixed seat and the movable seat. Fixing pieces are arranged at the bottoms of the supporting rods, adjusting pieces are arranged on the outer sides of the fixing bases, clamping pieces are fixedly connected to the two sides of the water pool, the fixing pieces comprise fixing rods fixedly connected to the bottoms of the supporting rods, limiting plates are fixedly connected to the bottoms of the fixing rods, and clamping plates are in threaded connection to the outer sides of the fixing rods. The sling type sewage pool covering film structure solves the problems that a covering film of an existing device is fixed to the outer side of a water pool, and the covering film is inconvenient to fold, store and disassemble after being used.

The invention discloses a membrane structure fire hazard temperature field simulation method considering membrane material weld joint disengagement. The method comprises the following steps: S1, constructing a three-dimensional model of a membrane structure building to be simulated; s2, the three-dimensional model is imported into Pyros im software; s3, grids are divided in Pyros im software according to the fire source power of the membrane structure building to be simulated, the width of a membrane material welding seam and the distribution position of the membrane material welding seam, and the three-dimensional model is converted into an obstacle; s4, fire source parameters of the membrane structure building to be simulated and material attributes and geometric attributes of building components are set in Pyros im software; s5, temperature measuring points are arranged in Pyros im software, and an FDS program is called for calculation; and S6, contrastively analyzing and considering the influence of membrane material weld joint separation on the fire temperature field of the membrane structure building. According to the invention, the phenomenon that smoke escapes due to the fact that the membrane material is disengaged at the weld joint when a fire occurs in the membrane building structure can be simulated, so that the fire temperature field of the membrane building structure considering the disengagement of the membrane material weld joint is obtained.

The invention provides a design of a deep cut-off negative optical filter. At present, the design thought of a negative optical filter film system mainly applies the main level of a reflecting film system, but the performance of a deep cut-off wave band and a transmission wave band is difficult to guarantee at the same time when the cut-off wave band width is between the main level cut-off width. The optical filter is divided into a front film system and a rear film system, and a high-level reflection band is applied, so that the optical filter achieves the purposes of deep cut-off and high transmission. The front surface film system structure and the rear surface film system structure are Sub (mHnL) S1Air and Sub (pHqL) S2Air respectively, Sub is a substrate, (mHnL) S1 and (pHqL) S2 are optical filter film systems, Air is air, m, n, p and q are matching coefficients of different materials, Chebyshev polynomial characterization shows that the three-level reflection band width depends on the matching coefficients of the materials, the matching coefficients of the different materials are added to form a fixed value, S1 and S2 are film system cycles, and m, n, p and q are the number of cycles of the film systems. H and L respectively represent lambda / 4 optical thicknesses of the high-refractive-index material and the low-refractive-index material, and lambda is a reference wavelength. The design provided by the invention can be widely applied to the design of the deep cut-off negative optical filter.

The invention discloses laminated glass, a laminated glass manufacturing method, a panoramic front windshield and a vehicle. The laminated glass comprises a first glass plate and a second glass plate, the first functional membrane is of an integrally-formed membrane structure covering a dimming area on the upper portion of the laminated glass and a visible area on the lower portion of the laminated glass, and the first functional membrane is attached to the inner surface of the first glass plate; the second functional membrane is an integrally formed membrane structure or a spliced membrane structure covering a dimming area on the upper portion of the laminated glass and a visible area on the lower portion of the laminated glass, and the second functional membrane is attached to the inner surface of the second glass plate; the third functional membrane is clamped between the first functional membrane and the second functional membrane, and the third functional membrane is positioned in the visible area of the laminated glass; the functional component is clamped between the first functional membrane and the second functional membrane, the functional component is located in the dimming area of the laminated glass, and the functional component and the third functional membrane are spliced at the position where the dimming area is connected with the visible area.

The invention relates to the technical field of architectural membrane testing, and provides architectural membrane structure tearing strength testing equipment which comprises a sample table, a width adjusting module, a clamping module, a length adjusting module, a controller and a winding roller, the controller and the winding roller are arranged at the two ends of the sample table respectively, and a sample is wound on the surface of the winding roller; a rectangular ruler frame in the width adjusting module is in threaded connection with a two-way screw, an air cylinder in the clamping module is fixedly arranged between a clamping piece and an L-shaped frame, the L-shaped frame movably sleeves the lower portion of the rectangular ruler frame, a one-way screw in the length adjusting module is arranged above a sample table, a movable frame is in threaded connection with the one-way screw, and a first cutter body is arranged below the movable frame. Transverse rods are fixedly arranged on the two sides of the movable frame and penetrate through the surface of the L-shaped frame, the two sets of clamping modules are symmetrically distributed on the two sides of the first cutter body, standardization and automation of the whole process of sample preparation, tearing testing and data collection of the building film tearing testing are achieved, and the building film tearing testing device has the advantages of being high in sample manufacturing efficiency and high in testing precision.

The present invention discloses a method for detecting cyclical gas injection within a double-membrane structure within an underground rock cavern gas storage cavity. The method comprises the following steps: 1. constructing the double-membrane structure on the surrounding rock mass; 2. detecting gas injection between the inner and outer membrane layers; and 3. injecting and detecting compressed air within the cavity. The present invention detects the cyclical gas injection and degassing within the double-membrane structure, minimizing damage to the double-membrane structure and thereby improving the durability and safety of the double-membrane sealing structure.

The present invention discloses a solar wall type self-air supply and heat storage maintenance structure and a use method thereof, comprising a solar panel, wherein the solar panel is provided with a ray tracing module, wherein a plurality of retractable brackets are respectively fixedly provided at the upper and lower ends of the solar panel, wherein the other end of the retractable bracket is fixedly provided on the side facade of a building, wherein a membrane structure is provided in a cavity between the solar panel and the wall of the building, wherein the membrane structure is provided with a fan inlet and a fan outlet, and wherein a heating wire is spirally provided in the membrane structure. The energy consumed by the present invention comes from solar energy, and by providing a solar panel on the facade of the building, the energy loss generated by indoor energy passing through the outer wall of the building can be reduced, and at the same time, a membrane structure is provided, and by changing the volume of the membrane structure, the air supply volume is controlled to input fresh air into the room.

The invention discloses a modular manufacturing device and method for a cable-membrane structure of a thin-film reflecting surface antenna, and the device comprises a triangular cable net shaping device which is disposed on a workbench, the triangular cable net shaping device is provided with a linear motion assembly, a planar motion assembly, a cantilever assembly and a positioning pin, and the cantilever assembly is provided with a cable net tension adjustment device. A force measuring device is mounted on the positioning pin, the triangular cable net unit is wound on the positioning pin and is tensioned to form a triangle, and a distance measuring device for measuring the distance of a cable section of the triangular cable net unit and a rope pressing device are arranged on the workbench; and the triangular cable net units are pasted with thin films to form modularized triangular cable film structure units. The interchangeability requirement can be met, and modular manufacturing of the cable-membrane structure unit is carried out; triangular cable net structures of any size and shape can be manufactured, and the universality is high; and the integrally-formed cable membrane unit which is orderly combined and accurate in shape and size is formed.

The invention discloses a high-storage-ratio folding method for a large conical film structure, and belongs to the technical field of space debris removal and satellite light shields. The problems that an existing plane deorbit sail is poor in attitude stability and low in deorbit efficiency are solved. Comprising the following steps: S1, drawing equidistant circumferential folding lines on a conical film structure, wherein the circumferential folding lines comprise a circumferential ridge line and a circumferential valley line; s2, circumferential folding is carried out, axial compression is carried out along the axis of the cone, and then circumferential contraction is carried out; and S3, folding from a cone to a cylinder. The three-dimensional conical film sail can be folded into the three-dimensional conical film sail which is high in posture stability, relatively high in unfolding reliability and capable of correcting the posture, and the folding efficiency is high.

The utility model relates to a high-sealing anti-corrosion reverse hanging membrane structure, which belongs to the technical field of reverse hanging membrane structures and comprises no less than two gantry steel structures, and anti-corrosion reverse hanging membrane bodies are fixed in the no less than two gantry steel structures through fixing belts. According to the high-sealing anti-corrosion reverse hanging membrane structure, through the arrangement of the telescopic assembly, the at least two gantry steel structures can be compressed and folded, an open space is vacated to facilitate later cleaning of the interior of a sewage pool, and the at least two gantry steel structures are located on the outer side of the sewage pool; two hand wheels on the right side can be twisted to drive two ground piles to rotate in two connecting blocks and move upwards to move out of the interior of the foundation, at the moment, at least two telescopic assemblies are compressed and shortened, at least two gantry steel structures move leftwards, and at the moment, the telescopic assemblies are compressed and shortened; then, an open space is formed on the outer side of the right side of the sewage pool, so that the interior of the sewage pool is cleaned.

The utility model discloses a concrete column quick film covering tool which comprises a vertical rod, a handle is arranged at the rear end of the vertical rod, a mobile power source is installed in the handle, an electric button is embedded in the handle and electrically connected with the handle, a film covering structure is installed at the front end of the vertical rod, and the mobile power source is electrically connected with the electric button. The utility model relates to the technical field of concrete structure column maintenance, which has the advantages that: 1) a single person can complete the plastic film covering work on the surfaces of a concrete column and a shear wall by using the tool without the cooperation of a plurality of workers, so that the manpower is saved; 2) by using the tool, a worker can stand on the building ground to perform film covering operation, so that the frequency of high-place operation of the worker is reduced, the risk of high-place operation of the worker is reduced as much as possible, and the safety coefficient is greatly improved; and 3) the device is a non-disposable product, the plastic film and the rolling shaft are convenient to replace, can be continuously used after being transported to other construction sites to be assembled, and can be recycled in a plurality of construction sites, so that the practical value is greatly improved.

The utility model discloses a cable membrane structure based on a loadable box body. The bottom of a telescopic rod is fixedly connected with the ground; a lifting appliance hole is formed in the top of each loadable box body; one end of the inhaul cable is connected with the telescopic rod, and the other end of the inhaul cable is connected with a lifting appliance hole of the loadable box body; the cable film covers a gap between the inhaul cables and is fixedly connected with the inhaul cables; the multiple loadable box bodies are annularly arranged on the outer side of the telescopic rod with the telescopic rod as the center, and the loadable box bodies are annularly arranged at equal intervals. And the interval between the inner wall surfaces of the plurality of loading box bodies is the distance between two corner points at the tops of the inner wall surfaces. According to the utility model, the specifications and varieties of the components are few, and the loadable box bodies are arranged at equal intervals, so that the types of the inhaul cables and the corresponding cable membranes are few, the standardized production can be realized, the construction is convenient and rapid, and the time for finding the components with different specifications is saved. In the building process, building can be completed only by lifting the telescopic rod, and high-altitude operation is not needed.

The invention provides a roof inflatable membrane photovoltaic support structure which comprises an inflatable membrane structure capable of being inflated and deflated, the bottom of the inflatable membrane structure is arranged on a roof, the roof inflatable membrane photovoltaic support structure further comprises a plurality of inhaul cables, and the two ends of each inhaul cable are fixed to the roof. When the pneumatic membrane structure is in a working state, the inhaul cable presses the upper surface of the pneumatic membrane structure; at least one fixing mechanism for fixing the photovoltaic panel is arranged at the top of the inflatable membrane structure, the two ends of the inhaul cable are fixedly arranged on inhaul cable anchor blocks, and the inhaul cable anchor blocks are arranged on the roof and located on the periphery of the inflatable membrane structure. The self weight of the whole structure is reduced, and the requirement for roof bearing capacity is lowered. According to the invention, considerable activity space can be increased for the roof while resources are saved, the overall manufacturing cost is lower, the use scene is richer, and popularization and application of new energy, especially roof photovoltaic power generation, are facilitated.

The invention relates to the technical field of film structure monitoring, in particular to a film structure safety real-time monitoring and early warning system and method, and the system comprises a data collection module which is used for collecting the monitoring data of a gas film shed; the communication module comprises a cache unit for caching the monitoring data; the data processing module is used for processing and analyzing the monitoring data to output an analysis result; the alarm module is used for giving an alarm when the analysis result exceeds a preset threshold value; the storage module is used for storing the monitoring data, the optimization data and the analysis result; and the control module is connected with the data acquisition module, the communication module, the data processing module, the alarm module and the storage module, and is used for determining the sampling frequency of the strain sensor according to the fluctuation amplitude of the surface strain force of the gas film shed. According to the invention, the early warning stability of membrane structure monitoring is improved.

The invention provides an air inflation membrane structure environment air circulation system and a self-adaptive control method thereof, and relates to the technical field of air membrane structures. The system comprises an inflatable membrane, a flexible and deformable connecting piece and an air circulation device, a first opening is formed in the inflatable membrane, the connecting piece is connected with and surrounds the first opening in a sealed mode, and the other end of the connecting piece is connected with the air circulation device through a sealed clamping structure; the air circulation device comprises a valve body assembly, a driver drives a valve plate to control opening and closing of the second opening, and the first opening, the connecting piece and the second opening jointly define an air circulation channel. According to the control method, on the basis of environment characteristics obtained by the sensor module, opening and closing of the valve body are controlled in a self-adaptive mode according to three-level priorities of fire danger, structure safety and environment adjustment. The problems that an existing system is poor in air tightness, a membrane material is prone to being torn, and self-adaptive adjustment cannot be achieved are solved, air tightness improvement, membrane material safety enhancement and efficient environment adjustment are achieved, and remarkable practical value is achieved.