51results about How to "Save money on electricity bills" patented technology

The invention relates to a method for performing power optimized scheduling on controllable loads comprising air conditioning loads. The controllable loads comprise the air conditioner loads with adjustable power as well as transferrable loads; an air conditioner operation optimization target model is established for the air conditioner loads, and a transferrable load optimization target model is established for the transferrable loads; the air conditioner operation optimization target model is optimized with a non-dominated sorting genetic algorithm; the transferrable load optimization target model is optimized with a self-adaptive genetic algorithm. On the premise that power utilization habits and power utilization comfort of a user are considered, electric equipment is classified as electric equipment with controllable loads and electric equipment with fixed loads, the air conditioner loads and the transferrable loads in the controllable loads are modeled, the power utilization modes are optimized with the corresponding intelligent algorithms respectively, and the controllable loads are effectively optimized and managed on the premise that the power utilization comfort of the user is realized.

A thermoelectric power generation type high-temperature drilling fluid cooling and circulating system comprises a refrigerating unit, a refrigerating unit pump, a first valve, a second valve, a cooling fluid loading box, a cooling fluid delivering pump, a heat exchanger, a steam-turbine generator, an electricity storage box, electric equipment, a condenser, a well, a drilling fluid pond, a first drilling fluid delivering pump and a second drilling fluid delivering pump; the first drilling fluid delivering pump is positioned between the well and the drilling fluid pond, and pumps the high-temperature drilling fluid upwards returning from the well to the drilling fluid pond; and the second drilling fluid delivering pump is positioned between the drilling fluid pond and the heat exchanger, and delivers the high-temperature drilling fluid to the heat exchanger. By the heat exchanger, the high-temperature drilling fluid and the cooling fluid are subjected to heat exchange, the exchanged cooling fluid becomes high-temperature and high-pressure gas which enters the steam-turbine generator to drive the generator to generate power, and the generated electric energy is stored in the electricity storage box and supplies power for the electric equipment. After the high-temperature drilling fluid becomes low-temperature drilling fluid by exchange through the heat exchanger, the low-temperature drilling fluid enters the well through a sixth pipeline.

The invention relates to a compressed air heat-linkage energy-storage system based on a reversible air engine, which comprises a motor generator, the reversible air engine, an air reservoir and an heat insulation water tank, wherein the motor generator is connected with the reversible air engine by a speed reducer, and the reversible air engine is respectively connected with the air reservoir and the heat insulation water tank. At the valley period of power consumption, compressed air is made and stored in the air reservoir, and the released heat is stored in the water; at the peak period of power consumption, the compressed air is utilized to drive the reversible air engine to generate electricity, and the stored heat water is used for heating the compressed air. The reversible air engine integrates a compressor and an engine into a whole body, adopts the technical schemes of tail gas pressure stabilization and timely cylinder variable, eliminates the energy loss taken away by tail gas and the decompression energy loss during the gas inlet and has high energy conversion efficiency. The system can be used for peak clipping and valley filling and emergency standby of an electric power system and also solve the intermittent bottleneck of wind power generation as well as the development and the utilization of the off-peak electrical power at night.

Disclosed is a support interactive power use information collection system. Bidirectional interaction on control, management and information is carried out between a smart grid side and a user side. The system comprises a power use information collection module, a multi-channel and multimode communication module, an artificial intelligence module, a smart control module, and a smart power use interaction integrated module. Through efficient information interaction between the power supply side and the power use side, customers can select an optimal energy use scheme according to real-time power price released by the grid, make a power use demand response autonomously, and transfer part of load at peak time to off-peak time conscientiously. Therefore, electricity cost is reduced, the peak load of the grid is lowered, and the operation efficiency of power transmission equipment is improved.

The invention discloses an intelligent control device of classroom lamplight and relates to the technical field of lamplight control. The intelligent control device of classroom lamplight comprises a single-chip microcomputer, a human body infrared sensor module, an illumination sensor, keys, a photoelectric coupler, a relay, a liquid crystal display and a direct-current stabilized power source. The single-chip microcomputer is connected with the human body infrared sensor module, the illumination sensor, the keys, the photoelectric coupler, the liquid crystal display and the direct-current stabilized power source, the photoelectric coupler is connected with the relay, and the direct-current stabilized power source is connected with the human body infrared sensor module, the illumination sensor, the keys and the liquid crystal display. The model of the single-chip microcomputer is AT89C52. Through the intelligent control device of classroom lamplight, electric energy can be utilized more reasonably in a school, and the operation cost of the school is reduced.

The invention relates to a solar powered household fiber-optic network unit control system and belongs to the technical field of new energy application. The solar powered household fiber-optic network unit control system is a system which can be controlled and managed remotely and comprises household appliances like a computer, an internet television (iTV) and a telephone. The solar powered household fiber-optic network unit control system is characterized in that firstly, solar energy is utilized as a power supply for the system, and a voltage-stabilized power supply with a storage battery and an inverted power supply are utilized as energy storage equipment at the same time, so that a household fiber-optic network unit gets rid of dependence on a 220V alternating-current power supply, network communication and main household appliances are guaranteed to work normally in case of power supply failure caused by natural disasters like typhoons, earthquakes and the like, electric charge can be saved, energy conservation and environmental-friendliness are realized; and secondly, via the combined design of aceaseless power supply of a solar battery supplying system and communication equipment in the fiber-optic network unit, rich and diverse remote management and control functions can be realized.

The invention discloses a street lamp intelligent control method and device based on intelligent lighting, and the method comprises the steps: obtaining the target position information of a target street lamp, and determining the historical flow data related to the target street lamp, the historical flow data including the historical flow data of a plurality of time periods; training a pre-constructed neural network model based on the historical traffic data to obtain a target neural network model; determining predicted flow data of the current time period based on the target neural network model; and controlling the target street lamp according to the predicted flow data of the current time period. Therefore, the method can control the brightness of the street lamp according to the flow condition of the road, achieves the intelligent control of the street lamp, facilitates the guarantee of the road condition safety, can achieve the energy saving of the street lamp, effectively prolongs the service life of the street lamp, reduces the electric charge expenditure of the street lamp, and reduces the labor cost.

The invention discloses a segmented drainage control method for a drainage pump station. The method comprises the following steps that h<real-time>, H and H<lower limit> of a water storage bin, a water inflow calculation time period t<water inflow>, a water level h at the initial moment of t<water inflow>, a water level h<ending water inflow> at the ending moment of t<water inflow> and water discharge Q<drainage> in the t<water inflow> time period are acquired; according to the mapping relation of Q<drainage>, t<water inflow>, h, h<ending water inflow> and the water level-water storage capacity, the water inflow rate q<t water inflow> of the water storage bin is determined; the variable flow delta q<t drainage> in each drainage time period is determined; a theoretical operation number X<theory> of a drainage pump is determined according to q<t water inflow> and delta q<t drainage>; the water level H<ending drainage> of the water storage bin at the drainage ending moment in each drainage time period is determined; X<theory> is adjusted according to the relation between h<real-time> and H<ending drainage> and H or H<lower start and stop>, and the actual operation number X<actual> ofthe drainage pump is determined; and according to the scheme, segmented drainage of the drainage pump station is more economical.

The invention discloses a PTC type electric heating non-intrusive identification method based on power harmonic characteristics. Voltage and current are collected at a wire inlet end; the ratio k1 ofthe starting abrupt change power to the time required for abrupt change, the ratio k2 of the maximum abrupt change power to the time required for abrupt change, the ratio k3 of the maximum starting abrupt change power to the steady-state operation power after abrupt change, and the ratio k4 of the increment of the third harmonic to the time required for abrupt change are calculated; whether a userstarts PTC type electric heating or not is judged according to magnitudes of the four ratios . A basis is provided for calculating power consumed by PTC type electric heating, a non-intrusive load monitoring decomposition technology is perfected and developed, a user can know the electric energy consumption composition of the user, the electric energy consumption is reduced to the maximum extent,the electric charge expenditure is reduced, and corresponding auxiliary judgment can be made for fault diagnosis of the user.

The culture pond process of producing photosynthetic bacteria for animal and plant includes culture pond assembling, clenaing of culture pond and production site, disinfection, compounding culture meidum, inoculating, illumination, regulating temperature of culture medium, random sampling, packing and sealing. The present invention has the advantages of low power consumption, less covered area, reduced loss of photosynthetic bacteria, arbitrary combination and being suitable for production in plant of different scales.

The invention provides a combined LED light source for reducing the cannibalism rate of garrupa and application thereof. According to the method, the purpose of reducing the cannibalism rate is achieved by combining the environment control technology and an accurate feeding manner by means of the environment control technology of creating a specific light environment, the illumination time and the illumination intensity in an industrialized garrupa aquaculture workshop. The method is specially developed according to the avoidance tendency of main garrupa culture species such as saddletail groupers, pearl gentian groupers and epinephelus septemfasciatus to the specific spectra, light intensity and illumination period and the appetite regulation and control rules of epinephelus coioides juveniles. By means of the method, the cannibalism of the garrupa can be effectively restricted, and economic losses caused by cannibalism during the intermediate culture period of industrialized garrupa seedlings are remarkably decreased. Moreover, operations is easy and convenient, the automation degree is high, the health, safety, energy conservation and environment protection are realized, and the method has high application and popularization value.

The invention discloses an electric heating subdivision method based on historical load recognition data under a cloud edge collaborative architecture. The method comprises the steps of collecting power load historical recognition result sample data, extracting electric heating recognition result data, summarizing and counting, obtaining recognition data of resident users in the next day, extracting the electric heating recognition result data, and obtaining electric heating recognition results. And performing statistical calculation on the data, judging whether the data meets an electric heating subdivision rule or not, if so, refining the electric heating label of the resident user in the day into a specific label, and updating and summarizing statistical data to enable the statistical data to participate in the electric heating refining of the next day and the like. Combined electric kettle, the invention discloses power of an electric cooker, an electric oven and an electric waterheater. According to the cloud-side cooperative architecture, the electric heating large class is refined into the small class of electric appliances under the cloud-side cooperative architecture, sothat a user can know the power utilization condition, reasonably arrange the starting time of the electric appliances and respond to the step electricity price, the electric energy consumption is reduced to the maximum extent, and corresponding auxiliary judgment can be made for fault diagnosis of the electric appliances.

The invention discloses a recycling pig raising system for a large-sized pig farm and relates to the technical field of pig raising. Cultivating land is arranged at the periphery of the pig farm; a pig manure collecting and recycling system is arranged in the pig farm and comprises a methane fermentation pool; a methane collecting and utilizing system and a fermented residue collecting pool are arranged in the methane fermentation pool; the methane collecting and utilizing system is electrically connected with a house power supply system; a plurality of pipelines are arranged on the fermented residue collecting pool and are communicated with the cultivating land at the periphery. The recycling pig raising system disclosed by the invention has the beneficial effects that pig manure is collected and repeatedly recycled by the pig manure collecting and recycling system, so that electric bills are saved for pig farmers, and the feeding environment of the pig farm is improved.

The invention relates to a kind of electric heat accumulating stove. It includes energy storing body which is placed in an incubator, the surface of the body can joint with the boiler bottom, there is electric heating part in the middle which connects with the power through switch controlled by the controller. The can transform the electric energy into heat energy in electric using low tide, so there can't form new electric using flood tide in daytime.

The invention discloses an ultra-efficient electricity and heat cogeneration BIPV integrated assembly, and a heat and power cogeneration system thereof. A BIPV assembly main body comprises a heat collection flat plate, a solar cell and a transparent glass cover plate, a circulating pipe and a bottom frame assembly are arranged on the heat collection flat plate, the heat collection flat plate is formed by combining a plurality of whole aluminum plates, and the space between the circulating pipe and the heat collection flat plate is filled with a heat conduction piece; the system comprises the ultra-efficient electric heating cogeneration BIPV integrated assembly and a heat collection and heat preservation water tank, the BIPV integrated assembly is communicated with the heat collection and heat preservation water tank through a pipeline, the BIPV integrated assembly is connected with the heat collection and heat preservation water tank through the pipeline to form a circulation loop, and heat is supplied to the outside through the heat collection and heat preservation water tank. According to the invention, the defect that the solar photovoltaic panel is bulged due to long-term exposure outdoors can be well overcome, the defect that the solar photovoltaic panel is bulged during overall briquetting in the production process can also be overcome, the service life of equipment is greatly prolonged, heat of a solar photovoltaic panel can be fully utilized, and greenness and environment-friendliness are achieved.

The invention discloses an office building energy strategy generation method and system, and belongs to the technical field of office buildings. The method comprises the steps: 1, predicting the energy needed by an office building per hour in the next day; 2, acquiring electricity price data of the office building in different time periods; 3, modeling the working time of each energy device of the office building in different time periods, abstracting the working time and the actual energy discharge and energy storage power of each device into a vector which is a target vector needing to be optimized; setting a target function needing to be minimized, and determining various constraint conditions, wherein the constraint conditions comprise the average discharge capacity or storage capacity of the devices, the energy efficiency ratio of the devices, the working time of the devices and the limiting condition that the energy supply is greater than the energy consumption; 4, assigning an initial value to the target vector, and substituting the target vector, the target optimization function and the constraint conditions into a sequential quadratic nonlinear programming algorithm for optimization; and 5, deducing the optimal working time and the minimum total electric charge of each energy device according to the optimized target vector.

The invention discloses a method for modifying an old steel door and window sash into an energy-saving and environment-friendly door and window. In the method for modifying the old steel door and window sash into the energy-saving and environment-friendly door and window, according to selected and used low-emissivity coated glass, on the premise that an original low-emissivity coated film layer is reserved, the transmittance of sunlight, especially near-infrared light in the sunlight is properly reduced by changing the thickness of other film layers, the reflection of the sunlight is improved, and the coated glass with low emissivity and a low shading coefficient is obtained. If selection is appropriate, the comprehensive energy-saving effect of the low-emissivity coated glass is very good to reflect most of the sunlight indoors, so that it is ensured that the situation that indoor heat is dissipated outdoors is prevented, and the heating cost is saved; in summer, the situation that heat radiation emitted by the outdoor ground and a building enters a room can be prevented, and the refrigeration cost of an air conditioner is saved, so that the electric charge expenditure of a family in the using process of the glass is reduced, and the economic burden of people in the using process is relieved; therefore, the glass is more energy-saving and environment-friendly.

The invention provides a server power source energy conservation system and a method used for server power source energy conservation. By introducing 12V direct-current to be input into a grid-connected inverter, the input end of the grid-connected inverter is connected with the output end of a server power source module, and the output end of the grid-connected inverter is connected with the input end of the server power source module, so that a closed-loop system is formed, reuse of energy is achieved, power grid energy needing to be consumed is loss brought by efficiency of the server power source module and the grid-connected inverter, and accordingly the aim of saving electricity fee can be achieved.

The invention discloses a vertical lifting type oil pumping unit which comprises an mounting support, a connecting device, a balancing weight, and a gear motor. By means of the mode that the gear motor directly drives a sucker rod, a walking beam type pumping unit or the pumping unit with a pulley is changed to be in a low-efficiency acting state for a long time, so that the working mode of the pumping unit is matched with the actual load of an oil well, the situation that oil pumping is conducted every time is guaranteed, low-efficiency or even invalid pumping is reduced, and therefore the electric charge expenditure is reduced, the maintenance cost is reduced, and the operation efficiency is improved. The vertical lifting type oil pumping unit is reasonable in structure and novel in design; the size of the pumping unit is greatly reduced through mutual close fit of the mounting support, the balancing weight and the connecting device; and a plurality of groups of vertical rollers andhorizontal rollers are arranged, so that the operation is more stable and the noise is low.