2319 results about "Building energy" patented technology

Building-integrated photovoltaic devices can be provided, which function as sensors, wherein the output parameters from the device are used to provide information about light intensity and ambient temperature, in addition to providing power, to an intelligent building energy management system.

A method and system can provide building energy performance metrics that can help identify specific zones within a building which may have energy efficiency problems. The method and system can collect data from: indoor temperature sensors and humidity sensors present in each zone of a building; one or more temperature sensors and humidity sensors present outside of the building; one or more utility meters; and one or more HVAC devices. This data from the sensors can be aggregated and formed into a first profile. The energy efficiency calculation system can analyze the first profile to provide various energy performance metrics which can include, but are not limited to, energy efficiency ratios for air conditioners, the R-value or thermal resistance of the building, an amount of heat loss for the building, energy consumption by the building, current HVAC performance parameters, and utility usage comparisons.

A system, method and computer program product to assist in managing the physical plant mechanisms and market finances for a deregulated electricity grid or regulated utility grid, populated with solar electric generation capacity. This system provides tools to assist grid operators in the scheduling and dispatch of generation resources in an electrical grid populated with solar electric generation capacity, a week in advance, on an hourly basis. It also provides tools to assist companies engaged in generation, distribution and energy marketing, in the electrical power industry, to manage their contractual supply obligations in the day-ahead hourly wholesale market and the spot market, in an electrical grid populated with solar electric generation capacity. This process can also be used to predict solar loading of building structures, using forecast irradiance data as inputs to common building energy modeling programs, a week in advance, on an hourly basis.

A vertically-integrated greenhouse for growing plants in suspended trays. The design is particularly well-suited for installation in a double-skin façade of a building, or in an interior atrium, lobby, or similar structure. In addition to producing food, plants can reduce building maintenance costs by providing shade, air treatment, and evaporative cooling to building occupants. The vertically-integrated greenhouse involves the use of a dynamic movable array of plant trays as a mechanical shading device. The spacings and arrangements of the trays in the tray suspension system can be adjusted on both a diurnal basis and a seasonal basis to maximize plant light capture and building shading, thereby maximizing crop yield and building energy savings, or for esthetic considerations.

A system and method for gathering and utilizing building energy information. A central management server communicates through a wide area network to one or more client devices. The central management server maintains a set of measured or calculated audit data for a plurality of buildings and facilities, with icons and text representing auditing and analysis tasks that may be performed in the process of auditing the structures and related energy-consuming equipment and shell characteristics. The client device communicates with the central management server through the wide area network and is operative to receive user input and display user data. The client device is operative to receive a login request from a user and in response thereto, transmit a message containing the user specified and calculated information, including any related images.

Illustrative embodiments of the present invention are directed to a method and system for disaggregating climate control energy use from non-climate control energy use for a building. The method includes receiving a series of building energy use values and corresponding outdoor temperature values for a time period. Each of the energy use values and outdoor temperature values is associated with a time interval. The method further includes determining a series of temperature difference values for the time period based on a difference in temperature between a predetermined baseline temperature and each of the outdoor temperature values. A regression analysis is used to determine a climate control coefficient and a non-climate control coefficient from the energy use values and temperature difference values. The climate control coefficient and/or the non-climate control coefficient is used to determine climate control energy use and/or non-climate control energy use for the building.

A method and apparatus for constructing a data warehouse for managing mass building energy information are provided. The apparatus for constructing a data warehouse in order to manage mass building energy information includes a primitive database generator for constructing primitive databases in each building based on energy control point information, a time series data warehouse generator for generating time series data warehouses based on the constructed primitive databases, a space time series data warehouse generator for reconstructing the generated time series data warehouses based on an object construction information table including space information about objects for control points of the plurality of buildings to be controlled to generate space time series data warehouses, and a view database generator for generating view databases by a search condition in accordance with the search condition for energy usage information based on the generated space time series data warehouses.

The invention discloses a real-time monitoring method for the energy consumption of a public building based on data mining, belonging to the technical field of building energy saving. The method disclosed by the invention comprises the following steps: S1. establishing a building energy consumption mode judgment tree; S2. collecting building energy consumption data in real time; and S3. judging whether the current building energy consumption data are energy consumption abnormal points or not, carrying out the mode matching on the current building energy consumption data and the building energy consumption mode judgment tree and judging whether the current building energy consumption data are isolated points or not. In the method disclosed by the invention, the specific energy consumption mode of the building is identified by carrying out the cluster analysis on the historical energy consumption data; the building energy consumption mode judgment tree is obtained by classifying the data; the mode matching is carried out on the energy consumption data which are dynamically collected in the real-time monitoring course for the energy consumption of the building; and the isolated point analysis is carried out on the energy consumption data and the historical data which have the same mode, thereby judging whether the current building energy consumption data are abnormal or not. The method disclosed by the invention has the characteristics of good real-time characteristic, generality and robustness.

The invention relates to an intelligent building energy management system. The intelligent building energy management system comprises a system configuration unit for setting an energy consumption management object and manager information, an energy consumption data acquisition unit for acquiring the energy consumption management object, an energy auditing management unit for auditing the energy consumption management object, an equipment energy consumption management unit for monitoring and managing in real time by taking equipment as a unit, a region energy consumption management unit for detecting and managing in real time by taking a region as a unit, an energy forecast management unit for counting and analyzing energy consumption data, an energy consumption alarm and demand control unit for controlling a demand according to a unit load group, a load and contract capacitance information, an energy evaluation unit for optimizing energy scheduling and balance, saving energy and improving reactive power consumption, an energy plan unit for making a rational energy use plan according to the current energy use situation, and an energy management database. By the intelligent building energy management system, the energy real-time balance management and monitoring management of building groups can be realized effectively.

The invention provides a construction method for a reinforced concrete prefabricated house. The method comprises the following steps of constructing a foundation; mounting prefabricated wallboards; casting in situ T-shaped, L-shaped and inline vertical heel posts; pouring micro-expansion mortar into vertical steel tie preformed holes in the upper and lower ends of the prefabricated wallboards; mounting reinforced concrete prefabricated superimposed beams; mounting reinforced concrete prefabricated stairs and flat stepping plates; mounting prefabricated superimposed floor slabs on the prefabricated superimposed beams; welding and binding corresponding reinforcements exposed from the prefabricated superimposed floor slabs, the upper ends of the prefabricated superimposed beams and the prefabricated wallboards into a whole, and inserting vertical anchor bars for fixing the upper and lower end parts of the prefabricated superimposed beams and the wallboards, and casting self-compacting concrete on the upper parts of the prefabricated superimposed floor slabs. A 100m-high building can be constructed in an 8 earthquake fortification region such as Beijing by sequential and cyclic construction to a design top layer from bottom to top. According to the method, a technical index of building energy efficiency of 75 percent can be achieved, and the development of a prefabricated house construction technology can be accelerated.

Embodiments relate to providing a configurable energy management service to remote users of computing devices over a computer network. A computer-implemented method is provided for enabling a user to configure energy management of at least one building or project from a remote computing device through an energy management service hosted on a computer network. The method includes hosting a set of energy management modules configurable for different users subscribed to the energy management service, and storing in a database energy management information relating to a building or project fitted with wireless sensors that capture data representative of real-time power consumption. Other embodiments are a system and non-transitory computer readable medium for enabling a user to configure energy management of at least one building or project from a remote computing device through an energy management service hosted on a computer network.

The invention discloses a nontoxic, odorless and recoverable environmentally-friendly polyurethane foaming material and a preparation method thereof. The foaming material is characterized in that a raw material of polyurethane is adopted and is directly subjected to a physical gas foaming in the presence of a physical gas foaming agent to prepare the foaming material. The foaming material has a foaming density of 0.08-0.80 g/cm<3>, a foaming ratio of 1.5-15 times, a average pore diameter of 10-100 [mu]m, uniform distribution of cells, wherein diameter deviations of 95% of the cells do not exceed 10% of the average pore diameter. In addition, the foaming material has no surface structure and can be the foaming material with any shape. The foaming material has an adjustable softness and hardness and excellent performance, and can be widely applicable for the fields of packaging, human protector, shoe product, automobile inner garnish, amortization cushion, building energy conservation, acoustic insulating material and the like. According to the present invention, the following problems that: harmful gas is discharged during the production process of the polyurethane foaming material, and monomer residues are harmful to human health and cause environmental pollution, are thoroughly solved from the source, such that a practicable development approach is provided for green environmental protection, energy saving and emission reduction of the foaming material.

The invention offers polyethylene glycol/ silicon dioxide composite forming phase-change material manufacturing method. It includes the following steps: adding polyethylene glycol flour body into silica sol, and dipping accelerating agent to happen sol-gel reaction to form three-dimensional network gel; drying, smashing to form flour body; removing water and adding modifier. The formed product has high latent heat of phase change 60-140 kJ/kg, good forming capability, and stable capability while temperature is higher than phase-change by 20-50 centigrade degree, the polyethylene glycol does not leak out; thus it can be applied to electronic component thermal adjusting and controlling material, heat storage tempering textile goods, and building energy conservation wall body fields, and so on.

The invention provides a building energy internet intelligent operation cloud operation system comprising a data acquisition module which acquires energy data through multilayer heterogeneous Internetof Things and outputs the energy data; an edge terminal module used for receiving the energy data, processing the data, uploading the data to the cloud platform, and receiving a control strategy issued by the cloud platform; a cloud platform connected with the data acquisition module through the energy information switch and is used for receiving and processing the energy data to obtain a controlstrategy and outputting the control strategy; and a controller module which receives the control information and performs control operation. The system has the advantages that the cloud platform andthe Internet of Things technology serve as the core, intelligent brain and acute nerves are built for an energy system in a building, existing energy equipment is fully utilized, only a small number of Internet of Things devices are installed in a lossless mode, and the purposes of safety and energy saving are achieved at the lowest cost.

In the field of building energy efficiency, an analysis and control system is provided to design, retrofit and/or manage operation of the HVAC and/or hot water systems in a building, so as to minimize energy usage. The present system is an end-to-end computer software based approach for full time commissioning of mechanical systems in a building. It uses standard and advanced fluid dynamics modeling techniques in terms of air circulation, refrigerating, heating and hot water systems.

The present invention relates to a phase change material and a heat storage mortar prepared by using the phase change material. The phase change material comprises, by weight: one part of an organic layered material, 1-4 parts of a heat conduction enhancer, and 10-20 parts of an organic phase change material. The phase change material has excellent heat storage effect and flame retardant properties, and has good compatibility with a base material. The heat storage mortar prepared by using the phase change material includes, by weight: one part of cement, 1.5-2.5 parts of a fine aggregate, 0.1-0.25 parts of a lightweight aggregate, 0.1-0.3 parts of the composite shape-stabilized phase change material, 0.005-0.02 parts of a binder, 0.001-0.004 parts of a water-retaining agent, 0.001-0.0025 parts of fiber, and 0.75 to 0.9 parts of water. The mortar has a high rate of heat storage, can improve the building thermal comfort, and reduce building energy consumption.

The invention relates to a building wall insulation composite board and a preparation method of the building wall insulation composite board, and belongs to the technical field of building energy-saving insulation materials and preparation methods. A wall insulation hard foam polyurethane composite board comprises inner cores, protective layers coated on the peripheries of the inner cores and interface layers coated on the upper surfaces and the lower surfaces of the protective layers in an attached mode. The inner cores are vacuum insulation boards. The preparation method of the wall insulation hard foam polyurethane composite board comprises preparation of interface coiled materials: coating prepared flame-retarded polymer mucilage on base materials to produce the interface coiled materials, and manufacturing of the protective layers and the wall insulation hard foam polyurethane composite board. The insulation composite board has good thermal insulation performance, waterproof performance and heat insulation performance, can satisfy 65% requirements of building energy efficiency very well, is high in bonding strength and convenient to construct and operate, greatly increases overall fireproof performance of the whole wall heat-insulation system after being arranged on a wall, and can be widely applied to the inner portions of walls, outer walls, and roof covering thermal insulation systems, heat insulation systems and waterproof systems.

The invention relates to a cement-based lightweight porous heat insulating material and a preparation method thereof. The material is prepared from portland cement or ordinary portland cement, water reducing agent, foam stabilizer, early strength agent, fiber, emulsion powder, water repellent, foaming agent and water according to a certain ratio. The weight ratio of cement, water reducing agent, foam stabilizer, early strength agent, fiber, emulsion powder, water repellent and foaming agent is 100:0.2-2.4:(0.1-3.)0:(1.0-4.0):(0.3-1.5):(0.1-5.0):(0.1-6.0):(3.0-8.0); and the water cement ratio is 0.45-0.55. The dry density of the LWFC material is 250-300kg/m<3>, the compressive strength is 0.5-1.0MPa, the heat conduction coefficient is 0.05-0.08W/m.k, the water absorption rate is 4-8%; the material can not deform and crack, is used as an inorganic incombustible lightweight heat insulating material and can replace the organic combustible heat insulating material represented by polystyrene foam; and the material can be used in the external wall exterior insulation construction of the building energy-efficient project and can also be used in the roof insulation project, the floor heating project or the occasions for preparing the composite heat insulating board and the like.

The invention discloses an intelligent building energy source epcglobal network and an integration method of the intelligent building energy source epcglobal network. The intelligent building energy source epcglobal network comprises a distributed energy source production subsystem, an energy storage subsystem, a building terminal energy source application subsystem, an energy source transmission and distribution subsystem and an intelligent energy source service subsystem, wherein the distributed energy source production subsystem is used for producing needed cold-and-thermal electric energy, and conveys the cold-and-thermal electric energy to the energy storage subsystem through the energy source transmission and distribution subsystem, the energy storage subsystem carries out storage and optimal configuration on the energy sources according to monitoring and feedback of the intelligent energy source service subsystem to the building terminal energy source application subsystem, then the cold-and-thermal electric energy is conveyed to the building terminal energy source application subsystem, and the intelligent energy source service subsystem carries out collection, input, output, regulation and control on energy consumption signals in the whole process, and finally enables the amount of the cold-and-thermal electric energy source produced by the distributed energy source production subsystem to be matched with the requirement of the building terminal energy source application subsystem, and optimized operation of the intelligent building energy source epcglobal network is achieved.

The invention provides a building coating with a heat insulation function and a preparation method thereof. The building coating with the heat insulation function is divided into an internal wall coating and an external wall coating, wherein each of the internal wall coating and the external wall coating is composed of a basic carrier for film forming of the coating, a heat insulating material, a heat reflecting material, a heat radiating material, filler, an assistant and water. The preparation method comprises the following steps: preparation of heat insulating material slurry, preparation of function material slurry, grinding of slurry, and paint mixing. The film forming thickness of the building coating is 0.2-0.3mm, so that the building coating belongs to a thin building energy-saving coating; the internal and external wall building coatings have higher heat conducting resistance and lower convection heat transfer, so that the building coating has different heat radiating effects under different temperature environments in different seasons and has the heat insulation function; the building coating is high in safety and long in service life; and the preparation method is simple and is suitable for industrial production.

The invention discloses a regional building energy consumption predicting method. The regional building energy consumption predicting method comprises the steps of: S1, acquiring an annual energy consumption data sample set of buildings as data for building energy consumption prediction; S2, calculating cooling and heating loads of individual buildings, respectively, according to form of terminal air conditioners and heating equipment of the buildings; S3, calculating the energy consumption of cold and heat source related energy-consuming equipment of the buildings according to the cooling and heating loads of the individual buildings; S4, calculating the energy consumption of illumination equipment of the individual buildings; S5, calculating the energy consumption of electric equipment of the individual buildings; S6, calculating the energy consumption of power equipment of the individual buildings; S7, accumulating the energy consumption obtained in the steps S3, S4, S5 and S6 to obtain the annual energy consumption of the individual buildings; and S8, calculating the total energy consumption of all buildings in the region according to the annual energy consumption of the individual building. The method disclosed by the invention breaks through the limitation that for single building energy consumption prediction, an energy station is taken as a node, establishes an energy consumption predication calculating model of a building group in the region, and can provide a reliable ground for overall planning and management of regional energy sources.