9 results about "Zero-energy building" patented technology

This utility model discloses a novel thermal insulation connection structure for roofs of near-zero energy buildings, belonging to the field of near-zero energy building technology. The structure is installed on the roof panel of a near-zero energy building and includes a first concrete layer, a thermal insulation connector, stainless steel bolts, an insulation material layer, and a second concrete layer. The first concrete layer is installed on the roof panel. The thermal insulation connector is installed above the roof panel before the first concrete layer is poured, and through holes for the support rods are spaced apart on the thermal insulation connector. A second waterproof layer, an insulation material layer, the first waterproof layer, and the second concrete layer are sequentially installed above the first concrete layer; the second concrete layer slopes outwards from near the thermal insulation connector, forming a sloping structure; the stainless steel bolts are vertically installed and pass through the second concrete layer and the insulation material layer into the thermal insulation connector. The thermal insulation connection structure provided by this utility model reduces costs and ensures the reliability and durability of the thermal insulation effect.

This invention discloses a near-zero energy building design optimization method for service areas based on the NSGA-II algorithm, belonging to the field of building design technology. The method includes: selecting a set of near-zero energy building technologies based on the heat distribution and environmental factors of the service area location; establishing a benchmark building and a building energy consumption analysis model using candidate technologies; using the benchmark building and the building energy consumption analysis model using candidate technologies to obtain energy consumption simulation results, calculating the building's comprehensive energy consumption and incremental cost; based on the comprehensive energy consumption and incremental cost, using the NSGA-II genetic algorithm model to form feasible solutions, and generating multi-dimensional indicators based on the feasible solutions; selecting the optimal near-zero energy building design optimization scheme for the service area through the multi-dimensional indicators. This method utilizes the efficient multi-objective optimization capability of the NSGA-II algorithm to comprehensively analyze various influencing factors and provide energy utilization efficiency for service area buildings in actual operation.

A zero-carbon perovskite solar cell and a six-constant intelligent control system, relating to the technical field of solar photovoltaics. The system comprises a perovskite solar cell array (1) integrated with a building, and further comprises a constant-temperature control module (7), a constant-humidity control module (8), a constant-oxygen control module (9), a constant-cleanliness control module (10), a constant-water control module (11), and a constant-illumination control module (13) which are arranged in the building. The perovskite solar cell array is connected to the constant-temperature control module (7), the constant-humidity control module (8), the constant-oxygen control module (9), the constant-cleanliness control module (10), the constant-water control module (11), and the constant-illumination control module (13) by means of power conversion modules (5, 6). The constant-oxygen control module (9), the constant-illumination control module (13), the constant-temperature control module (7), the constant-humidity control module (8), the constant-cleanliness control module (10), and the constant-water control module (11) are respectively used for achieving constant oxygen concentration and content, constant illumination, constant temperature, constant humidity, constant air cleanliness, and constant water temperature in the building. Photovoltaic power supply of the system is realized by means of the perovskite solar cell array. The system meets the power consumption requirements of a six-constant home system, and has the effects of reducing the dependence of buildings on traditional energy, reducing energy consumption, and reducing operating costs and greenhouse gas emissions. Moreover, the six-constant home system has the effects of providing a more comfortable and healthier living environment for users and achieving zero-energy building life.

This application relates to a thermally broken bridge bracket for near-zero energy office buildings. This application falls within the field of near-zero energy building technology. The technical problem this application aims to solve is: to provide a thermally broken bridge bracket for near-zero energy office buildings. The technical solution adopted in this application is: a thermally broken bridge bracket for near-zero energy office buildings, comprising: a base with a mounting beam assembly at its bottom; a support platform assembly slidably disposed on the wall surface of the base for supporting an insulation board; a first mounting assembly disposed on the base and the mounting beam assembly for fixing the base and the mounting beam assembly to the concrete wall surface; a second mounting assembly disposed on the wall surface of the base for fixing the support platform assembly; and a thermal insulation layer disposed outside the first mounting assembly, capable of blocking heat from the base and the mounting beam assembly from entering the concrete wall.

This invention discloses an energy-saving aluminum passive door with thermal break and high airtightness, belonging to the technical field of passive building doors. It includes a door frame and a door leaf, connected by a hinge assembly. Both the door frame and door leaf are constructed of multi-cavity thermally broken aluminum profiles. Each thermally broken aluminum profile comprises at least two layers of aluminum alloy profile body and a nylon thermal insulation strip disposed between the two layers, separating the internal cavities of the aluminum alloy profile body. The cavities of both the door frame and door leaf are filled with thermal insulation blocks. A continuously arranged circumferential sealing strip is provided on the contact surface between the door leaf and the door frame. The outer part of the door frame in contact with the building wall is covered with a flame-retardant and thermally insulating wrapping layer. This invention effectively blocks heat conduction paths and improves airtightness and structural strength through ultra-wide thermal break, multi-cavity insulation, and multi-seal structure, making it suitable for passive ultra-low energy buildings, zero-carbon buildings, and other fields.

The present application relates to a kind of stable and easy replacement zero-carbon building passive window installation method, it is the convex letter type high-density graphite polystyrene board formed in the window of window core of graphite polystyrene board wall core sticking, wall core is reinforced and sticks perlite board using cover steel mesh and V-shaped oblique insertion wire, the window end surface between high-density graphite polystyrene board of two sides of middle convex ring part and steel mesh is reinforced using U-shaped steel first, then add cement mortar leveling layer in the inner and outer facade of wall core, form the convex ring wall body window;High-density graphite polystyrene board window end surface of upper and lower edge inner recessed platform and left and right edge inner recessed platform is first connected respectively using expansion bolt the inside and outside connecting piece that extends to window, then respectively set inside and outside cement mortar leveling area, passive window frame is embedded in the middle ring part between the above-mentioned inside and outside connecting piece through base nail frame and the inside and outside protection frame and sealing tooth bar that are screwed, connecting piece and protection frame are fixedly connected.It has the advantages that passive window installation is stable and easy to replace, still stable after replacement, will not fall in fire, and there is no thermal bridge after installation.

This application discloses a net-zero energy pigsty, relating to the field of net-zero energy buildings. The pigsty includes a building structure, an environmental monitoring system, an air supply system, a trench fan, a heat pump system, a fresh air treatment system, an exhaust gas treatment system, a photovoltaic power generation system, and a control system. An insulation layer is laid on the outer surface of the building structure. The photovoltaic power generation system supplies electricity to the pigsty, and the annual electricity generated by the photovoltaic power generation system is greater than or equal to the total annual electricity consumption of the pigsty. The control system precisely regulates the microenvironment of the pigsty's activity area by adjusting the direction of the air outlets of the air supply system, the power of the trench fan, the operating power of the heat pump unit in the heat pump system, the opening degree of the control valve, the number of disinfection lamps turned on in the fresh air treatment system, the operating power of the exhaust gas treatment system, and the air ventilation volume, ensuring that environmental parameters are within a preset target range. This application can precisely regulate the environment within the pigsty, providing comfortable conditions for the healthy growth and reproduction of pigs, while simultaneously achieving net-zero energy consumption in the pigsty building.

This utility model relates to the field of building exterior wall insulation construction technology, specifically a near-zero energy building exterior wall insulation construction device, including an exterior wall body and insulation boards. The lifting and hoisting structure includes a vertical plate fixedly installed at one end of a support base, a lead screw movably installed on the vertical plate, a first gear fixedly installed at one end of the lead screw, a transmission block set on the lead screw, and a connecting plate fixedly installed at one end of the transmission block. This utility model, through the setting of the lifting and hoisting structure, changes the problem that traditional exterior wall insulation construction devices cannot hoist insulation materials, thus eliminating the need for manual handling. Therefore, it avoids the problem of slow handling speed due to the weight of insulation materials, and does not affect the normal construction period requirements. The advantage of this structure is that when dealing with multi-story or high-rise buildings, there is no need to frequently move insulation boards up and down, thereby reducing time costs and not affecting subsequent processes such as waterproofing layer and finishing layer construction.

This invention belongs to the technical field of evaluating thermal defects in building envelopes using heat conduction measurement, specifically involving a field testing method for the thermal insulation performance of prefabricated near-zero energy building exterior walls. The method includes: acquiring environmental data sequences from a micro-weather station and verifying constraints related to precipitation, wind speed, and sunshine duration; acquiring the target seam detection area and determining a seamless benchmark comparison area; acquiring multiple frames of infrared thermal images and performing inter-frame affine transformation alignment to obtain aligned temperature sequences for the two areas; obtaining a relative temperature difference sequence based on the difference between the two temperature sequences; identifying the heat storage and dissipation characteristics of the relative temperature difference sequence and removing areas that meet these characteristics; calculating the variance and mean of the relative temperature difference sequence for the unremoved areas, and determining them as true through-type thermal bridge defects based on preset variance and mean thresholds; acquiring the defect pixel coordinates and converting them to building physical coordinates, matching prefabricated node attributes, and generating repair instructions. This invention continuously tracks the evolution of the relative temperature difference between the seam and the intact insulation area, separating natural heat dissipation from continuous heat leakage via thermal bridges, and inversely mapping the digital detection coordinates to the physical wall surface to guide repair.