145 results about "Energy efficient architecture" patented technology

The invention relates to the technical field of data processing, in particular to a multi-modal data fusion method and system for an energy-saving building data sensing system, and the method comprises the steps: obtaining environment state data, a current scene time period and a historical scene time period of each dimension at each moment; according to the difference of the environment state data at adjacent moments under the same dimension in the current scene time period, combining the feature difference between the current scene time period and the historical scene time period to obtain an environment unique index; according to the similarity of the environment state data of the historical scene time period and the current scene time period in the same dimension, obtaining a reference scene time period in combination with the unique indexes of the environment; and according to the environment state data of the reference scene time period and the current scene time period in each dimension, combining with the environment unique index to construct a fusion weight, and fusing the multi-modal data of the current scene time period. According to the invention, the fusion weight is highly matched with the current scene feature, and accurate fusion of multi-modal data can be realized.

The invention belongs to the technical field of smart buildings, and relates to a green energy-saving building energy consumption real-time monitoring and intelligent optimization system and method based on the Internet of Things, and the system comprises a sensing layer which comprises an environment sensor group which collects the temperature, humidity, illumination intensity and CO2 concentration; the non-intrusive electric energy monitoring module measures equipment current through a Rogowski coil, and the precision is + / -0.5%; the equipment state acquisition terminal is used for acquiring the frequency of an HVAC compressor and the state of a lighting switch; the network layer comprises a multi-protocol edge gateway which supports the conversion from ZigBee / LoRa / Modbus to an MQTT protocol; the block chain evidence storage module is used for generating an SHA-256 hash value for the energy consumption data and uploading the SHA-256 hash value to the chain; the platform layer comprises a digital twin engine which is used for generating an energy consumption three-dimensional thermodynamic diagram based on a BIM model; the optimization control core is composed of an LSTM load prediction unit and an NSGA-II multi-objective optimization unit. The energy efficiency leap of 12-18% comprehensive energy saving (far exceeding the average level of 5-8% in the industry) is realized through a technical chain of'accurate perception-intelligent decision-making-closed-loop control '.

The invention belongs to the technical field of photovoltaic equipment, and provides a roof adjustable photovoltaic module for an energy-saving building, which comprises an outer shell, the top of the outer shell is open, a lifting platform is arranged in the outer shell through a lifting assembly, an inclined frame is arranged at the top of the lifting platform through a rotary table, and a plurality of photovoltaic panels are rotatably connected in the inclined frame. A horizontal sliding assembly is arranged at the top of the rotary table and hinged to one edge of the inclined frame, and a pitching adjusting assembly is further arranged between the rotary table and the side wall of the inclined frame. And the control assembly comprises a control unit arranged in the outer shell and a sunlight tracking sensing device arranged on the inclined frame. The problem of projection shielding between the photovoltaic modules can be reduced, and meanwhile the capability of resisting severe weather such as strong wind can be improved.

The invention belongs to the technical field of water supply and drainage devices, and discloses an energy-saving building water supply and drainage device with rainwater collection and utilization, one end of a treatment box is connected with a rainwater collection pipe and a kitchen wastewater collection pipe, the other end of the treatment box is connected with a drainage pipe, and a water collection tank is fixed on the inner wall of one end of the treatment box; a water outlet pipe is arranged at the lower end of the water collecting tank, and a water wheel is rotationally connected below the water outlet pipe; a central shaft of the water wheel is rotationally connected with the treatment box; a guide plate is arranged below the water wheel, a water outlet cavity is arranged between the guide plate and the inner bottom surface of the treatment box, and the drainage pipe is communicated with the water outlet cavity; a first filter screen is arranged at the other end of the flow guide plate, a brush is installed on the center shaft, and brush avoiding openings are formed in the portions, on the two sides of the brush, of the water flow partition plate; filter screen frames are placed in the areas on the two sides, and impurity inlets corresponding to the brush avoiding openings are formed in one sides of the filter screen frames. Impurities cleaned by the device are convenient to clean.

The invention particularly relates to a lighting performance detection system and method for a low-energy-consumption green energy-saving building, and relates to the technical field of building lighting detection. The data analysis module is used for sequentially analyzing the natural lighting data, the glare related data and the heat gain and loss related data to obtain a lighting loss coefficient, a glare coefficient and a temperature regulation load coefficient; a comprehensive processing module; and a lighting performance evaluation module. According to the method, cross-dimension integration of natural lighting data, glare data and heat gaining and losing data is carried out, and a multi-index evaluation system is constructed; according to the lighting loss coefficient, the specific position of nonuniform lighting is locked through a regional light difference value, and the space distribution range of defects is quantified in combination with a span value; the distribution discrete degree of a high-risk area can be quickly positioned through the glare coefficient; the temperature adjusting load coefficient quantifies the dynamic influence of lighting on the building energy consumption by analyzing the coupling relation between the air conditioner load and lighting under the working conditions of winter and summer.

The application relates to the technical field of temporary housing, in particular to an energy-saving building thermal insulation wall body of a concrete structure and a construction method thereof, a first shell is inlaid on one side of a concrete structure layer close to a thermal insulation layer, a first elastic bag is fixed on the inner wall of the first shell, and a moving plate is fixed on one side of the first elastic bag facing the thermal insulation layer; a second shell is inlaid on one side of the concrete structure layer close to a sealing plate, and a second elastic bag is arranged in the second shell. The position of the moving plate is controlled, the extension and retraction state of the first elastic bag is adjusted, in a high-temperature scene in summer, the moving plate can be flexibly controlled according to real-time requirements, the first elastic bag can be kept in a compressed state, and heat exchange with the external high-temperature environment is avoided. Compared with the prior art, the scheme can actively avoid the risk of heat accumulation, effectively relieve the stuffy problem in the house, and greatly improve the comfort of the temporary housing.

The application discloses a multifunctional intelligent photovoltaic window which is assembled by a multifunctional variable color unit and a silicon solar cell, and has the characteristics of wide wave adjustment, self-driving and self-cleaning. The laminated structure multifunctional variable color unit mainly comprises a vanadium dioxide / silicon dioxide / polyurethane nanocomposite film, a polymer stable liquid crystal with a near-crystal-cholesteric phase transition, an indium tin oxide and a silicon dioxide coating, which are respectively used as a near-infrared light adjusting layer, a visible light adjusting layer, an electrothermal layer and a super-hydrophobic layer. Based on the above design, the intelligent photovoltaic window can realize dynamic adjustment of the transmittance in the wavelength range of 380-2500 nm, so that the ideal energy-saving effect is achieved. In combination with the high output power of the silicon cell and the excellent direct current heating effect of the indium tin oxide, the self-driving characteristic of the intelligent photovoltaic window is realized, and the energy-saving effect is further improved. In addition, the silicon dioxide super-hydrophobic coating with a contact angle of 150-160 degrees effectively solves the environmental dependence of the intelligent photovoltaic window, and the intelligent photovoltaic window also has a good vision under complex weather conditions such as rain and snow. The application can widen the application of the intelligent photovoltaic window in the fields of energy-saving buildings, automobiles and flexible photoelectric devices.

This invention discloses a lithium slag dealkalization treatment agent and a method for the resource utilization of lithium slag in building materials, comprising the following raw materials in parts by weight: 50-80 parts sodium hydroxide, 30-50 parts water glass, 5-15 parts polycarboxylate superplasticizer, and 10-20 parts calcium carbonate. This invention has the advantage of being environmentally friendly and solves the problems of existing lithium slag resource utilization methods, such as the inconvenience of preparing high-strength, high-insulation building materials from waste lithium slag, insufficient strength of lithium slag building materials making them unsuitable for load-bearing structures or high-load scenarios, limiting their use to low-strength filler materials or non-structural components, significantly reducing their economic value, and poor insulation performance failing to meet energy-saving building standards, resulting in a lack of competitiveness in scenarios requiring thermal insulation such as walls or roofs.

The invention discloses a hydrogel-based energy-saving building structure and a preparation method thereof, and relates to the field of functional hydrogel. The energy-saving building structure is used for isolating a first space and a second space, the first space has a first environment temperature, and the second space has a second environment temperature; the energy-saving building structure comprises a first substrate, a first hydrogel layer, an isolation layer, a second hydrogel layer and a second substrate which are arranged in a stacked mode. The first hydrogel layer has a first phase change temperature and a second phase change temperature, and when the first environment temperature is below the first phase change temperature or above the second phase change temperature, the first hydrogel layer is in a non-transparent state; when the first environment temperature is between the first phase change temperature and the second phase change temperature, the first hydrogel layer is in a transparent state; when the temperature difference between the first environment temperature and the second environment temperature is larger than or equal to a preset threshold value, the second hydrogel layer can conduct thermoelectric conversion. According to the energy-saving building structure, annual bidirectional heat management and continuous thermoelectric energy conversion can be achieved.

The utility model discloses a low-carbon energy-saving building waterproof structure which comprises a wall body and a leveling layer arranged on the surface of the wall body, a heat preservation layer, an inner waterproof layer, a waterproof plate, an outer waterproof layer and a decoration layer are sequentially arranged on the outer side of the leveling layer, the heat preservation layer is of an up-and-down multi-layer structure, and a supporting plate is arranged between every two adjacent heat preservation layers. Each heat preservation layer comprises a plurality of heat preservation blocks which are sequentially arranged side by side, a cavity of each heat preservation block is divided into three cavities through two vertical plates, a plurality of ventilation holes are evenly distributed in the vertical plates, the cavities on the two sides are ventilation cavities, the cavity in the middle is a heat preservation cavity, the heat preservation cavities are filled with heat preservation materials, and upper air holes are formed in the bottoms of the ventilation cavities. A communicating hole communicated with the upper air hole is formed in the supporting plate, a rain blocking outer edge is arranged on the top of the wall body, an air collecting cavity is formed between the rain blocking outer edge and the top of the heat preservation layer, and an exhaust port is formed in one side of the air collecting cavity. In conclusion, the device has the advantages of being convenient to operate, high in installation efficiency and capable of effectively discharging moisture.

The application discloses an eccentric strip-penetrating broken bridge aluminum alloy window and relates to the technical field of aluminum alloy windows. The window comprises a frame, a sash, a compression strip and glass. The frame is 45-degree spliced through corner codes to form independent fixed window units and opening sash units. The wide side of the frame of the fixed window unit faces the outdoor, and the glass is installed in the frame and spliced and crimped and fixed with the narrow side of the frame from the indoor side. The glass is installed in the sash and spliced in the indoor side of the frame of the opening sash unit. The sash and the frame form a seal through a sealing rubber strip when closed. The strip-penetrating frames of the fixed window units and the opening sash units are installed close to the wide side, the wide side of the frame of the fixed window unit faces the outdoor, the wide side of the frame of the opening sash unit faces the indoor, and an eccentric structure is formed in staggered distribution. The structure can reduce the material consumption of the components used for window construction, simplify the assembly process, improve the flexibility of transportation and on-site installation, has good air tightness and water tightness, and is suitable for the door and window system of green energy-saving buildings.

The application discloses energy-saving building door and window with adjustable heat insulation strength and a using method thereof, and relates to the technical field of doors and windows. The energy-saving building door and window comprises a movable frame, an air cavity wall is arranged around the middle part of the inner side of the movable frame, and a hollow cavity is arranged around the inside of the movable frame. A heat insulation assembly is arranged on the top chamber of the hollow cavity, a liquid supply assembly is arranged between the bottom of the hollow cavity and the heat insulation assembly, and a positioning assembly is arranged on the top wall of the air cavity wall. The heat insulation assembly comprises a reel and two symmetrically arranged traction rods. A heat insulation plate is wound on the reel. The bottom end of the heat insulation plate is provided with a base. The two ends of the base are both provided with sliding blocks which are in sliding fit with the side walls of the air cavity wall. The bottom of the sliding block is provided with a traction rope. The application can adaptively adjust the heat insulation strength according to the indoor and outdoor temperature changes, and can differentially adjust the heat insulation area of the door and window according to the outdoor light angle, so that the heat insulation efficiency is improved.

The invention relates to the field of tungsten-based alloy target material preparation, in particular to a tungsten-based multi-component alloy target material containing a W3Ni17 specific phase and a preparation method, the target material contains the W3Ni17 specific phase and auxiliary phases such as a W phase and Ni3Ta phase, W powder and Ni powder serve as basic powder, and Cr / Ta / Si powder serves as optional auxiliary powder; the preparation method comprises the steps of multi-step segmented argon protection mixing according to a specific phase atomic ratio, alloying purification, cold isostatic pressing multi-section pressure relief forming, multi-section heating hydrogen protection sintering and the like. According to the design, the problems that a conventional target material cannot form a specific functional phase, elements are segregated, the density is insufficient, and light modulation efficiency and cycling stability are difficult to consider are solved, the density of the prepared target material is larger than or equal to 96%, the average crystal grain is smaller than or equal to 50 micrometers, the W3Ni17 phase accounts for 40%-85%, and the target material is suitable for preparation of a large-area electrochromic film and meets the requirements of the fields of energy-saving buildings, automobiles and the like.

The utility model provides a sandwich thermal insulation wall body connecting piece and a sandwich thermal insulation wall body, the sandwich thermal insulation wall body connecting piece comprises a connecting rod which is a fiber reinforced composite material connecting rod; the positioning plate sleeves the connecting rod, and the inner side of the positioning plate is matched with the connecting rod; the rib ring sleeves the connecting rod, and the inner side of the rib ring is matched with the connecting rod; and the lantern ring is sleeved on the connecting rod, the inner side of the lantern ring is matched with the connecting rod, and the lantern ring is fixed between the positioning plate and the rib ring through glue. The sandwich thermal insulation wall body comprises an outer prefabricated concrete plate, a thermal insulation layer, an inner prefabricated concrete plate and the sandwich thermal insulation wall body connecting piece which are sequentially arranged from outside to inside in the thickness direction of the wall body. The two-way shear bearing capacity of the sandwich heat preservation wall body connecting piece is different, the sandwich heat preservation wall body connecting piece can be evenly arranged in two-way plates with different two-way design loads, installation is convenient and fast, and the sandwich heat preservation wall body connecting piece has wide application prospects in energy-saving buildings.

The utility model discloses an energy-saving building design simulation sand table, and relates to the technical field of simulation sand tables. The energy-saving building design simulation sand table comprises a sand table main body, an energy-saving building model is arranged in the sand table main body, and a reinforcing unit is arranged in the sand table main body. According to the energy-saving building design simulation sand table, through the design of the reinforcing units, an energy-saving building model needing to be reinforced in the sand table body can be conveniently and rapidly reinforced and supported, the reinforcing units are simple in structure and convenient to operate, the reinforced energy-saving building model is stable in stress, through the design of the clamping mechanisms, the reinforcing units are convenient and rapid to assemble, and the energy-saving building design simulation sand table is high in practicability. And the reinforcing operation of the energy-saving building model is time-saving and labor-saving, and the reinforcing units are also convenient to disassemble and reuse, so that the energy-saving and environment-friendly effects are achieved, and the use

The present application relates to the field of organic electrochromic materials, and particularly relates to a transparent conductive material, a preparation method and application. The transparent conductive material simultaneously introduces two independent carbonyl groups in a molecular main chain, and realizes accurate coordination of energy level, polarity and charge transport performance through differential regulation of oxygen or nitrogen atoms. The polymer can be used as an ion storage layer, an electrode modification layer or an active functional layer in an electrochromic device, can realize fast reversible optical modulation at a low voltage (±1.0 V), has a high optical contrast (ΔT 550 > 65%), a short response time (<2 s) and excellent cycle stability (more than 3×10 4 times of cycles, a retention rate >95%), and has a wide application prospect in the fields of intelligent display, energy-saving buildings and flexible electronics.

The invention relates to the field of organic electrochromic materials, in particular to a transparent conductive material, a preparation method and application. According to the transparent conductive material, two independent carbonyl groups are introduced into a molecular main chain at the same time, accurate synergy of energy level, polarity and charge transfer performance is achieved through differential regulation and control of oxygen or nitrogen atoms, the polymer can be used as an ion storage layer, an electrode modification layer or an active functional layer in an electrochromic device, and the electrochromic device has a wide application prospect. The material can realize rapid and reversible optical modulation under a low voltage (+ / -1.0 V), has high optical contrast ([delta] T550gt, 65%), short response time (lt, 2s) and excellent cycle stability (more than 3 * 104 cycle retention rate gt, 95%), and has wide application prospects in the fields of intelligent display, energy-saving buildings and flexible electronics.

The utility model belongs to the technical field of green energy-saving building structures, and particularly relates to a green energy-saving building structure which comprises a building body and a rain collecting groove, the rain collecting groove is formed in the top of the building body, an intercepting device and a filtering device are arranged on the right side wall face of the building body, and the filtering device comprises a sedimentation mechanism, a water pumping mechanism and a filtering mechanism. According to the green energy-saving building structure, by arranging the intercepting device, large impurities in rainwater are preliminarily intercepted through the filter plate, the situation that the impurities are accumulated in the settling box and decay and pollute the rainwater is avoided, after long-time use, the intercepting box can be taken out to be cleaned, and the situation that the impurities block filter holes in the filter plate, and consequently the filtering effect is affected is avoided; impurities and sludge in rainwater are subjected to precipitation treatment through the precipitation mechanism, and the precipitated rainwater is subjected to secondary filtration through the filtration mechanism, so that triple purification of the rainwater is realized, the cleanliness of the rainwater is ensured, the rainwater is better recycled for the second time, and water resources are saved.

The utility model discloses an air conditioner fresh air device of an energy-saving building. The air conditioner fresh air device comprises a ventilation pipeline and a filtering mechanism. A clean air shutter is arranged on the right side of the ventilation pipeline, a turbid air shutter is arranged on the right lower side of the outer cambered surface of the ventilation pipeline, and outer fixing blocks are evenly distributed on the outer cambered surface of the ventilation pipeline; the filtering mechanism comprises inserting grooves, butt-joint blocks, connecting columns, butt-joint plates and handles, the inserting grooves are evenly formed in the front side faces of the three outer fixing blocks, the butt-joint blocks are inserted into the inserting grooves, the connecting columns which are evenly distributed are arranged on the front side faces of the butt-joint blocks, the front ends of every three connecting columns in one group are fixedly connected with one butt-joint plate, and each butt-joint plate is fixedly connected with the corresponding butt-joint plate. According to the air conditioner fresh air device of the energy-saving building, an air conditioner is prevented from being polluted by dirt, and meanwhile, the mode of cleaning and replacing the filter screen is very simple and convenient.

The invention relates to the field of concrete block preparation, in particular to a concrete block preparation device based on energy-saving building construction, and aims to solve the problems that during mold closing of an existing mold frame, mold positioning is achieved by means of gravity or a simple mechanical structure, and an effective rigid locking mechanism is lacked. The overall rigidity of a formwork system can be reduced due to assembly gaps existing in the connecting positions and elastic deformation possibly generated in the stress state, and especially in the non-ideal centering state, locking is not thorough due to the fact that a connecting mechanism cannot compensate position deviation in a self-adaptive mode. By arranging a double-notch structure and an internal floating block, the locking part can automatically compensate for position deviation, eliminate connecting gaps and enhance the stability of the connecting rod in a locking state when the connecting rod is in a non-ideal vertical state, and in the inserting process of the inserting rod, a limiting ball and an abutting ball form multi-point contact, so that the guiding and centering functions are provided, and the locking effect is improved. And balanced stress of rigid connection is achieved, and it is guaranteed that the geometrical shape of the formwork is kept stable when the formwork is subjected to concrete expansion pressure.

The application discloses a radiation cooling metamaterial capable of color display through polarization control, realizes diversified color display and high-efficiency cooling performance, and is composed of two parts, wherein the upper layer is an infrared emitter composed of a silicon dioxide cone and a titanium dioxide / silicon dioxide / PDMS multilayer film, has high emissivity in the atmospheric window of 8-13 microns, and realizes the cooling function; the lower layer is a visible light selective reflector composed of a silver / silicon dioxide multilayer elliptical cylinder and a silver layer, has high visible light reflectivity, and realizes polarization-controllable color display. The design can realize the adjustment of color display in various ways through the adjustment of the structure and the polarization angle, and the average emissivity in the atmospheric window reaches 96.62%, thereby realizing good cooling function. The radiation cooling metamaterial capable of polarization-controllable color display without additional energy source has a wide range of applications and can be effectively applied in the fields of energy-saving buildings, electronic equipment, personal thermal management and the like.

The invention provides a BIM-based fabricated energy-saving building, and belongs to the technical field of fabricated buildings, the BIM-based fabricated energy-saving building comprises a floor and a wall, one end of the wall is provided with a mounting groove, and the BIM-based fabricated energy-saving building further comprises a flow guide assembly used for guiding concrete; the sealing assembly is used for improving the sealing performance between the floor slab and the wall body; the reinforcing assembly is used for improving the stability of connection between the floor slab and the wall body; the device has the beneficial effects that a flow guide baffle drives a movable rod to move downwards through concrete pouring, then a movable plate is driven to move through a pressing plate, finally, a reinforcing rod is inserted into a reinforcing groove, and the assembling connection strength of a floor slab and a wall is improved through the change of the weight of concrete; and when the moving plate moves, the air storage air bags can be extruded, so that the expansion air bags are expanded, and the sealing grooves are filled with the expansion air bags, so that the sealing effect of connection between the floor and the wall is improved, and the using function and durability of a building are guaranteed.

This invention relates to the technical field of energy-saving building equipment, and discloses an energy-saving building material production mold and its application process. In order to solve the problems of low efficiency in the manufacturing process of building materials and the difficulty in demolding the molded material, multiple molding cavities are set on the lower mold to ensure that multiple clay bricks mixed with waste materials can be manufactured at the same time when the mold is closed. Moreover, during the mold closing process, the support frame compresses and stores pressure on the demolding spring. When the mold is opened, the elastic force of the demolding spring pushes the pressure head and ejects the finished product in the molding cavity, ultimately achieving the effect of rapid demolding.

The application provides a steel structure local node reinforcing system based on a green energy-saving building and a construction process, which comprises a steel pipe column, a cantilever beam and a node, the surface of the cantilever beam is slidably connected with a moving piece, the moving piece is symmetrically fixed with a connecting piece on one side, a cleaning assembly for cleaning the surface of the node is installed on the inner side of the moving piece, the inner side of the moving piece is symmetrically provided with a spraying assembly for spraying anticorrosive paint on the surface of the node, a material replacing assembly for replacing material is installed on the side of the moving piece close to the connecting piece, and a synchronous driving assembly for driving the cleaning assembly to clean and the spraying assembly to spray is installed on the side of the moving piece close to the connecting piece; the synchronous driving assembly can be mechanically linked with the cleaning assembly and the spraying assembly, the anticorrosive paint can be sprayed while cleaning in the process of moving, and workers do not need to work at height.

The invention discloses a method for establishing a mathematical model of a self-temperature-regulating building envelope based on a phase change energy storage material. The method comprises the steps of constructing a three-dimensional physical model, and describing solid-liquid two-phase energy exchange, natural convection and phase interface dynamic change during phase change; assumed conditions such as shell thickness neglecting are set; establishing a continuity equation, a momentum equation and an energy equation in sequence, and respectively describing heat exchange fluid mass conservation, fluid flowing behaviors and phase change material temperature changes; initial and boundary conditions of solidification and melting processes are determined, temperature gradient driven phase change is ensured, and heat exchange is carried out through a coupling surface. The mathematical model constructed by the invention can effectively simulate the self-temperature-regulating capability of the phase change energy storage material under different conditions, provides a theoretical basis for designing a more efficient self-temperature-regulating building envelope, and promotes the development of passive energy-saving buildings.

The invention discloses a thermosensitive intelligent device capable of regulating and controlling sunlight reflectivity in a large range and a preparation method of the thermosensitive intelligent device, and belongs to the field of intelligent materials and energy-saving buildings. The device is composed of an upper thermosensitive phase change layer and a lower sunlight reflecting layer. Wherein the lower layer takes polyvinylidene fluoride (PVDF) as a matrix, Al2O3 and SiO2 nanoparticles with two different sizes are doped, and a composite structure with a multi-stage scattering effect is formed through curing, so that the full-band sunlight reflecting capacity can be remarkably improved. And the upper layer is a reversible thermochromic interlayer formed by dissolving crystal violet lactone (CVL), bisphenol A and tetradecanol in a transparent substrate. The core mechanism is that at low temperature, the lower layer can serve as a light trap layer, light absorption of the upper layer is enhanced through multiple reflections, and the heating efficiency is improved; at high temperature, the upper layer becomes transparent, the overall reflectivity of the device is dominated by the lower layer, and efficient refrigeration is achieved. The device can regulate and control the sunlight reflectivity (greater than 60%) according to the environment temperature, and has a good application prospect in the field of energy conservation.

The application discloses an energy-saving building intelligent sunshade device and a use method, and belongs to the field of intelligent sunshade devices. The device comprises a sunshade platform for being connected with a to-be-installed skylight platform, a first adjusting component, and a second adjusting component. The sunshade platform has a sunshade area. The first adjusting component is detachably arranged on the sunshade platform and located at one end of the sunshade area. The second adjusting component is arranged on the sunshade platform and located at the other end of the sunshade area. The second adjusting component is connected with the first adjusting component. The second adjusting component is connected with a second electric cylinder. The second electric cylinder is connected with a second sunshade plate. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second electric cylinder is connected with a second electric cylinder. The second

The application provides a BIM-based prefabricated energy-saving building, and relates to the field of prefabricated buildings. The BIM-based prefabricated energy-saving building comprises a wall body, the lower end of the wall body is provided with a floor slab, the center of the front side wall of the wall body is connected to the center of the upper end face of the floor slab through an assembling structure, and the center of the lower end of the two side walls of the wall body is provided with a positioning structure. Through the assembling structure, the lower end of the wall body is aligned with two splicing grooves during use, the two mounting plates are pressed and held to be attached to the mounting grooves on the side wall of the wall body during the lowering process, the connecting blocks on the two mounting plates are matched and clamped in the two positioning holes, clamping is formed, and assembling is completed, so that the overall operation efficiency is fast, and construction is convenient.

This utility model relates to the field of thermal insulation decorative panel technology, specifically a modular energy-saving building wall thermal insulation decorative panel, including a column. A limiting mechanism is installed on the column through a fixing mechanism. The limiting mechanism includes a support base and a gasket. The side wall of the column abuts against the support base and the gasket. Two slots are symmetrically provided in the support base. A panel is slidably installed in the slot. A ball bearing is rotatably installed in the support base. The support base is provided with mounting holes and mounting grooves. The panel slides and drives the ball bearing to rotate, so that the ball bearing reduces the friction between the panel and the support base, thereby allowing two adjacent panels to be engaged together, and also reducing the gaps between the panels.

The utility model discloses green energy-saving building equipment, and relates to the technical field of energy-saving building equipment, the green energy-saving building equipment comprises a ventilating duct, a filter screen, a first fixing frame and a second fixing frame are fixedly connected in the ventilating duct, a U-shaped sliding frame is slidably connected in the ventilating duct, one end of the U-shaped sliding frame is slidably connected with a sliding rod, and the other end of the U-shaped sliding frame is slidably connected with a second fixing frame. Under the action of a second rotating rod, a connecting base, a mounting rod, a wind cup and a gear which are arranged, wind power drives a first rotating rod to rotate in a ventilation pipeline, external air is sucked into the ventilation pipeline through rotation of fan blades, the external environment is fully utilized, and electric energy consumption is reduced; air sucked into the ventilation pipeline is filtered through the arranged filter screen, the U-shaped sliding frame is driven to slide in the ventilation pipeline, and the filter screen is cleaned through the brush on the side face of the sliding rod, so that normal circulation of the air is guaranteed.