862results about How to "Save on electricity bills" patented technology

The invention provides an intelligent energy storage machine and an operating method thereof. The intelligent energy storage machine is used in a large scale, so that the electrical load of a power grid is relatively stable, the electrical load for the daytime and night is balanced, and the peak load shifting function is realized; and the energy storage machine comprises a miniature wind power and photovoltaic power generation input interface, and a new energy access power system is easily realized. The intelligent energy storage machine comprises a cabinet shell, a control system, an energy device and an energy storage device, wherein the energy device is used for providing energy for the load and comprises a solar energy device, a wind energy device and a mains supply; the electric energy generated by the solar energy device and the wind energy device is stored in the energy storage device; the energy storage device is an energy storage battery pack; the energy storage battery pack is used for storing the energy generated by the solar energy device and the wind energy device and the energy charged by the mains supply; and the control system comprises a wind and photovoltaic complementary controller, a grid-connected inverter, an off-grid inverter, a programmable logic controller (PLC), a battery management system and a bidirectional intelligent electric meter.

The invention relates to a method and a terminal for realizing a household-side intelligent power consumption policy. The terminal is characterized by consisting of four parts, namely a power consumption information acquisition module, a power consumption information management module, a household power consumption control module and a superior application module, wherein the power consumption information acquisition module communicates with an intelligent measurement socket and an ammeter in real time to acquire household power consumption information; the power consumption information management module is interactive with the power consumption information acquisition module to realize information management and analysis; the household power consumption control module flexibly controls household appliances by controlling a household intelligent switch socket; and the superior application module is provided with a communication interface for being interactive with a power grid side so as to receive and analyze service information of a power grid and electrovalence information in real time. The terminal disclosed by the invention is used for processing and analyzing the complex information, can feed back analysis results to the power grid side, and simultaneously displays the analysis results for users through a human-machine interactive interface by a curve or a chart in a straightaway manner.

The invention discloses a low-energy-consumption low-carbon-emission economical energy-saving urban sewage treatment method. The method comprises the steps that: 1, the to-be-treated wastewater is collected by a sewage pipe network and then is filtered by lattices, and is lifted by a pump to enter a pulse water distribution pot of a novel efficient turn-back anaerobic biochemical pool (ABR); 2, the swage subjected to the treatment in step 1 flows into a circulation-flow biological oxidization pool; 3 the effluent water from the step 2 flows into an artificial reinforced biological contact oxidization pool reconstructed by a water body from natural tunnels and reservoirs; and 4, the effluent water from the step 2 or the step 3 flows into constructed wetlands. After the sewage is treated by the above steps, the most pollutants in the water are effectively removed and the treated effluent water reaches the standard first-grade A in GB 18918-2002 ''Discharge standard of pollutants for municipal sewage treatment plant''. The energy-saving sewage treatment purification process with low cost, low energy consumption, low carbon emission and low operating cost is particularly suitable for the sewage treatment in small towns or rural areas.

The invention relates to a full-automatic washing machine with a big washing bucket and a small washing bucket. The washing machine comprises a water containing bucket, a big washing and dewatering bucket, a big bucket impeller, a dewatering bucket seat, a middle fountain plate and a gimbal, and further comprises a small washing and dewatering bucket arranged inside the big washing and dewatering bucket and connected with the big washing and dewatering bucket, a cover of the small washing and dewatering bucket, a small bucket impeller arranged inside the small washing and dewatering bucket and at the bottom of the small washing and dewatering bucket, and a transmission shaft with one end being arranged in the small bucket impeller and the other end being arranged in the big bucket impeller. The big bucket is insulated from the small bucket; the big impeller transmit the washing power to the small impeller through the transmission shaft; linkage lugs are arranged on the small washing and dewatering bucket and the cover thereof, and are matched with the big washing and dewatering bucket; and the linkage lugs enable the dewatering power of the big bucket to transmit to the small bucket. Through small washing bucket accessories arranged in the washing machine, the full- automatic washing machine can achieve the purposes that clothes to be washed can be separated and the accessories can be conveniently dismounted and installed. The washing machine is convenient to use, and saves power and water owing to the more reasonable washing manner.

A composite energy system of solar energy, ground source heat pump and chilled water storage comprises an air conditioner, a domestic hot water supply device, one or more device (hereinafter referred to as host) of a solar energy heat-collecting device, a heat storage water tank unit, a cold storage water tank unit and a ground source heat pump system, a ground heat exchanger, an auxiliary heating device, a circulating water pump, a first electric three-way valve, a second electric three-way valve, a first electric two-way valve and a second electric two-way valve, wherein the circulating water pump is communicated with the air conditioner, and the auxiliary heating device is communicated with the domestic hot water supply device. The invention fully utilizes renewable energy sources such as solar energy, geothermal energy and biomass energy to masterly combine the ground source heat pump air-conditioning system with the solar energy hot water system and the chilled water storage system and construct a comprehensive energy system combined by the domestic hot water system, the ground source heat pump, the chilled water storage air-conditioning system and the like; and the invention is completely combined with the entire building so as to greatest reduce the floor space and the investment and increase the energy efficiency and economic performance of the system.

A signal encoding method and device and a method for encoding a joint feedback signal are provided. The signal encoding method includes the following steps. When two carriers are configured with multiple-input and multiple-output (MIMO), Hybrid Automatic Repeat Request-Acknowledgement (HARQ-ACK) signals of the two carriers are combined into a joint feedback signal. The joint feedback signal is mapped into a codeword according to a predetermined mapping relationship between signals and codewords. Therefore, through the method for combining and encoding feedback signals of two carriers for transmission on a code channel in a dual cell (DC)-MIMO mode, bit error ratio (BER) and detection error cost are decreased, power overhead is saved, and a cubic metric (CM) value of the system is not affected, thereby enhancing the performance of the system.

The invention discloses a low-temperature hot-melt pressure-sensitive adhesive for a disposable hygienic product. The low-temperature hot-melt pressure-sensitive adhesive is prepared from 10-30wt% of styrenic thermoplastic elastomer, 40-60wt% of tackifying resin, 15-35wt% of naphthenic oil, 0.1-1.0wt% of antioxidant, and selectively 0.1-5wt% of wax. The low-temperature hot-melt pressure-sensitive adhesive has appropriate melt viscosity, good initial bonding performance, persistent bonding performance, operative weldability, heat resistance and the like within the using temperature range from 120 DEG C to 130 DEG C, carbonization is effectively reduced, the equipment failure rate is lowered, the production efficiency is improved, ageing and decomposition of the tackifying resin and the other constituents are reduced, and the environment pollution is reduced. The invention further discloses a preparation method for the hot-melt pressure-sensitive adhesive.

The invention discloses an intelligent control system for an electric vehicle alternating-current charging pile. The system comprises a CPU system, an abrupt stop button circuit, an electronic lock circuit, an auxiliary power supply circuit, an LCD, a keyboard circuit, a not-grounding detection circuit, a temperature sensor circuit, an RFID card reader circuit, a storage circuit, a voltage / current detection circuit, an electric meter circuit, a background communication interface circuit, an output circuit, a control guide circuit, and an indicator light circuit. The intelligent control system has the advantage that the system has a vehicle interface automatic matching function, an identity recognition function, a reservation function, a temperature protection function, a charging cable anti-theft function and a flexible configuration function.

The invention discloses a forging method of automobile aluminum alloy hub through once heating and one mould to manufacture non-flash automobile aluminium alloy hub, which is characterized by the following: the upper die is composed of upper central hammer, inner coil of upper die, middle coil of upper die and outer coil of upper die to be inserted assemblage sequently; the lower die contains lower central hammer, inner coil of lower die, middle coil of lower die and outer coil of lower die; the outer wall of middle coil lip of upper die is extended into the inner wall of the middle coil lip of lower die by 6-8mm when the die is moulding and sealing. The invention replaces the forging technique of aluminium alloy in the manufacturing course to improve mechanic property, automobile quality and safety greatly, which saves the process to cut flash without multiple heating and moulds, therefore reducing cost obviously.

The invention discloses a sieving and crushing integrated machine. The sieving and crushing integrated machine comprises a machine housing, a sieving and distributing machine (1) arranged at an upper part of the machine housing, and a sieving and crushing machine (35) arranged at a lower part of the machine housing, wherein the sieving and distributing machine (1) comprises a charge hole (2), an arc-shaped distributing plate (6), an iron remover (11), a transmission device, a flange type sieve shaft (4) and a filter sieve shaft (5); the sieving and crushing machine (35) comprises a main rotor, an arc-shaped counterattack sieve roller set, a particle size adjusting device and a transmission device; and a charge hole (36) of the sieving and crushing machine is positioned below a discharge hole (9) of the sieving and distributing machine. The sieving and crushing integrated machine has the following creative effects: the original two-stage crushing and one-stage sieving mode is changed to be a one-stage sieving and one-stage crushing mode, so that a system structure is simplified; problems of material adhesion and blockage, high iron content, low sieving and crushing efficiency, high power consumption, non-uniform ring hammer wear, unadjustable particle size, high difficulty in overhauling and replacement of spare parts, inconvenience in operation and the like are solved; and the sieving and crushing integrated machine is a major innovation of sieving and crushing equipment technology.

The invention discloses an electrified railway energy storage type traction power supply system and a control method thereof. The system comprises a power flow controller, an energy storage system anda single-phase main traction transformer. The power flow controller comprises a high-voltage matching transformer, a grid side AC / DC converter, a traction side AC / DC converter, an intermediate DC side capacitor and a traction matching transformer. The energy storage system comprises a bidirectional DC / DC converter and an energy storage element, and the energy storage element is connected in parallel to the intermediate DC side capacitor through the bidirectional DC / DC converter. The control method comprises the following steps: collecting voltage and current data of a load at the outlet of asubstation, judging the operation condition of the system, and calculating the compensation power of the ports of the power flow controller and the energy storage device under each condition; adding the compensation power into double-loop control of a power outer loop and a current inner loop to obtain a modulation signal; and generating a switching signal of a control device through PWM modulation. Recovery and reutilization of the regenerative braking energy of trains are achieved, the utilization rate of the regenerative braking energy is increased, and negative-sequence electric energy quality treatment and compensation device capacity optimization are achieved.

The invention discloses a method for producing pre-basic seeds of potatoes. The method comprises the steps as follows: laboratory production of potato tube seedlings, sugar-free culture and fast propagation in a tube seedling greenhouse, and matrix and liquid culture for producing pre-basic seeds of potatoes. According to the invention, a polypropylene film bag takes the place of a traditional glass container, so that the light transmission and the air permeability are good, the cost is low, the weight is light, and the carrying is simpler; the mode of matrix and liquid culture achieves the purpose of propagating pre-basic seeds in a layered manner, so that not only can vain growth of the overground parts be controlled effectively, and growth and development of creeping stems of plants are ensured, but also forming and expanding of tubers at the top ends can be promoted effectively, and the operation is simple and easy; the pre-basic seeds can be grown in a plurality of seasons in a year, the quantity of potatoes borne in a unit area and the yield are improved greatly, the cost is reduced considerably, the propagation efficiency is improved, and industrial and mass production of virus-free miniature seed potato of potatoes can be realized.

The invention relates to an accumulator intelligent constant-temperature cabinet for a communication base station using a wind-photovoltaic hybrid power supply device having a maximal power point tracking function. The constant-temperature cabinet comprises a cabinet body containing an accumulator battery, wherein a small air conditioner controlled and driven by the wind-photovoltaic hybrid power supply device having the photovoltaic maximal power point tracking function is arranged in the cabinet body, heat insulation boards at both sides of the cabinet body are provided with two sets of wind inlet / outlet pipelines which are respectively communicated with the inside and the outside of the base station, and fans of the two sets of wind inlet / outlet pipelines are controlled and driven by the wind-photovoltaic hybrid power supply device having the photovoltaic maximal power point tracking function. In operation, an intelligent control device of the wind-photovoltaic hybrid power supply device can always keep the temperature in the cabinet staying at the optimum environment temperature (23-25 DEG C) required by the accumulator. The implementation of the invention can not only meet the constant-temperature environment in the communication base station and also can ensure the optimum environment temperature for the accumulator. The product has the advantages of reasonable structure, convenience in operation, low investment, low electric energy consumption, high economic benefit and the like.

The invention relates to a dynamic separated contagion room, which is formed by patient room, buffer room, and toilet, with sealing space, wherein it has 60-80n / h exhaust times, 6-8m3 buffer room, and common door; the top plate over the operation position is arranged with main flow area wind let; the inner side of bed head is arranged with reflux open of non-leakage high-efficiency filter; the top plate of buffer room is arranged with wind inlet; the lower part of wall plate is arranged with reflux inlet; and the whole space is arranged with external feeding and exhausting wind tube. The invention has the advantages that: it uses dynamic separate technique, without expensive sealing door and high-passive pressure separation. And it uses non-leakage high-efficiency filter to reflux wind without air conditioner.

The invention relates to a cooling outer wall structure of buildings and a molding method thereof, which are characterized in that cooling ceramic tiles and a drip pipe are arranged outside the outerwall body; each cooling ceramic tile is provided with an inner cavity, air holes, a heat insulation cavity, an upper through hole and a lower through hole, wherein mud material is arranged in the inner cavity; the air holes and the heat insulation cavity are arranged above the mud material; the drip pipe is provided with a plurality of drip holes and penetrates through the upper through hole and the lower through hole of the cooling ceramic tile; one end of the drip pipe is connected with a water source pipe; and the water source is water in a water pool established on the roof or tap water. When the outdoor temperature rises, the water content in the mud material in the inner cavity of the cooling ceramic tile evaporates so as to lower the room temperature. While the water content in themud material is continuously supplemented in a trace amount by the water source from the drip pipe. In winter, the mud material, the water content of which is lost, becomes an insulating layer for isolating the outdoor low temperature. The invention has obvious cooling and heat insulation effects, saves the electric power changes of air conditioners, and has better economic and social benefits.

The present invention provides a power demand-supply management server and a power demand-supply management system. The power demand-supply management server (10) obtains information that defines restriction specifics regarding comfort and electricity charges from a customer's power operating device (2). An individual customer control optimization unit of the power demand-supply management server (10) then calculates electric equipment control specifics to minimize cost evaluation value based on the simulation result for a cost evaluation value, which is an index for evaluating comfort and excessive electricity charges, and transmits the same to the customer's power utilization device (2). An overall customer optimization unit of the power demand-supply management server (10) also calculates the optimal metered electricity unit price which assures a planned demand-restriction amount required for the power system overall based on daily load curves for each customer.

The invention discloses an enterprise power consumption maximum demand prediction method based on ARIMA and SVM, and the method is characterized in that the method comprises the steps: reading from apower grid company charging table TSDB; supplementing missing values by using a moving average method; removing outliers by using a K-Means clustering algorithm; predicting power consumption by usingan ARIMA time sequence; in combination with prediction of weather factors and production conditions, using a trained SVM model to perform decision making; and taking the maximum value of the predictedmonth, and calculating the maximum demand of the future month. According to the invention, the time sequence of historical electric quantity is fully considered, which includes trends, periodic and seasonal; meanwhile, prediction of weather factors and production conditions is also considered; two factors are unified in one model by using a machine learning decision and a time sequence predictionalgorithm, an accurate result is obtained through training, and along with more and more data and longer and longer use years, the prediction error of the maximum demand of the future month is smaller, so that more electric charge is saved for enterprises.

The invention discloses a grass fiber bio-separation compound preparation and an application method thereof. The grass fiber bio-separation compound preparation comprises bacteria components and enzyme components, wherein the bacteria components comprise white rot fungi and zymogeneous bacteria, and the enzyme components comprise cellulose, xylanase, laccase, protease, thermostable amylase, ligninase and pectinase. According to the grass fiber bio-separation compound preparation, straw serving as the raw material is treated with a biological method, a biological cycle liquid and a waste cooking liquid produced in the treatment process can be recycled without drainage, and lignin can be extracted; and besides, according to the method, straw does not require cutting and dust removal, and the cooking does not require high temperature and high pressure, so that a large quantity of manpower and electric charges is omitted, and the preparation and the method are suitable for a plurality of raw materials such as wheat straw, straw, cotton stalks, reeds and the like, can be used for producing a paddle board, molded pulp, various types packaging paper, office paper and household paper and have the advantages of low cost and environment protection.

The invention relates to a semi-forced ventilation static aerobic sludge composting method belonging to the technical field of environmental protection. Precast conditioning materials are prepared, and the sludge and the conditioning materials are mixed according to proportion to form mixture. The mixture is piled up to form a strip heap with a trapezoid cross section and the lower part of the strip heap is provided with an air tunnel. One end of the heap is provided with a stop wall and the surface of the heap is covered by a thin film. When temperature rises, a fan is started to change fresh air and lower the temperature of the fermentation heap, and then the compost is sieved out after natural fermentation. The method has the advantages of low energy consumption, simple operation, good composting quality, low operation cost and little influence on environment. The prepared composting is easily absorbed by crops and can be directly used for landscaping, soil remediation and agri-fruit planting, etc.

An air conditioning fan type cold-storing type water-circulation fan air conditioner comprises cold storing tanks, a refrigerating chamber, a water tank, tubular fin type cold-scattering (radiating) sheets, a water pump, a three-way solenoid valve and the like. A plurality of cold storing tanks cooled by a refrigerator and serving as a refrigerating source are placed in the refrigerating chamber in turns and serially connected with the solenoid valve, the water pump, the tubular fin type cold-scattering (radiating) sheets and the water tank with a positive temperature coefficient (PTC) heater serially through a water pipe to form a water-circulation temperature-control system. The temperature-control system can continuously feed cold air in a long time according to the set temperature without any refrigerating device. The cold-storing type water-circulation fan air conditioner adopts water circulation for refrigerating and heating so that the air at the air outlet can achieve the human comfortableness standard, and the cold-storing type water-circulation fan air conditioner is good in temperature control, capable of moving, free of installation, low in cost, saving in electricity, free of noise and small in size, has no heat source in refrigerating, can continuously blow out natural cool air for a long time, is convenient to operate and can be used widely.

The present invention is one novel accumulator fast replacing device and operation method for electric automatic. Standard power source unit or combined power source unit and corresponding device are adopted for fast replacement of accumulator. At the same time, the method including user's buying only the use right of the accumulator, card consumption, electricity buying before running, recharging, establishing of charging station network, circulation of accumulator, supply of standard power source unit or combined power source unit by the accumulator producer and comprehensive recovering of waste accumulator is adopted. The present invention is suitable for various kinds of electric automobile.

The invention discloses a method for treating reverse osmosis concentrated water and circulating wastewater by a whole membrane method, and belongs to the technical field of wastewater treatment and reclaimed water reuse. The method disclosed by the invention comprises the following steps: regulating the water amount and the water quality of wastewater by using a regulating tank; adding alkali to react with magnesium and calcium ions in a reaction tank to generate crystals of magnesium hydroxide and calcium carbonate; adding a mixed solution into a ceramic membrane filtering device; after the crystals of the magnesium hydroxide and calcium carbonate are filtered by a ceramic membrane, performing filter-pressing processing on a concentrated solution by using a plate frame; regulating the filtrate by adding an acid, and adding the regulated filtrate into a first-stage reverse osmosis device; recycling reverse osmosis pure water; adding the reverse osmosis pure water into a nano-filter; returning the concentrated water which is subjected to nano-filtration to the regulating tank; concentrating the water produced by the nano-filtration by using a second-stage reverse osmosis device; recycling the reverse osmosis produced water; further concentrating the concentrated water in a forward osmosis device; recycling the water produced by the forward osmosis; evaporating a trace amount of remaining concentrated water in an evaporator, and using the trace amount of remaining concentrated water in other ways, so as to finally realize zero emission of the wastewater.

The invention discloses a washing machine control method and a washing machine control system for regulating a washing procedure according to network load. The method comprises the following steps that: 1) the washing machine control system receives an enabled instruction; 2) the washing machine control system detects a current network load value and judges that the current network load value is positioned in a first predetermined value section or a second predetermined value section; 21) when a judgment result is that the current network load value is positioned in the second predetermined value section, the washing machine control system starts to give an order of washing; and 22) when the judgment result is that the current network load value is positioned in the first predetermined value section, the washing machine control system returns to the procedure of the step 2) until the judgment result is that the current network load value is positioned in the second predetermined value section, the system enters the procedure of the step 21), wherein the first predetermined value section is more than an average load value of the local electrical power system; and the second predetermined value section is less than the average load value of the local electrical power system. By adopting the method, a power consumption peak time of the network can be avoided, and the network load is reduced and balanced.

The invention discloses a thermal storage water heating system and a heating mode. At night, water in a thermal storage water tank is heated by a valley electricity boiler; in the day time, water in the thermal storage water tank is heated by a vacuum tube solar water heater or the waste heat of drying room exhaust gas in a fine day, and water in the thermal storage water tank is heated by the valley electricity boiler or the waste heat of drying room exhaust gas in a cloudy day. The thermal storage water heating system fully utilizes cheap energy, heats thermal storage water at different times, has high controllable performance and simple equipment, and can be independently switched to small circulation by an electric hot-water boiler to heat a heat exchanger by the boiler, thus economically and quickly heating workpieces. The thermal storage water heating system has wide use range, is suitable for large and small scale enterprises in, such as foundry industry, manufacture industry, processing industry, electrofacing industry, medicine industry, heat treatment and the like, and is also suitable for supplying heat for small and medium scale enterprises.

The invention relates to the field of rice cultivation methods and discloses a dry direct seeding cultivation method for rice. The dry direct seeding cultivation method for the rice comprises mechanically melting snow and dispersing moisture of the soil compulsively in old rice fields and preparing the soil by pulverizing through a rice field soil pulverizer in a high speed before seeding; deep applying 360 kg of prolonged and controlled release NPK (Nitrogen Phosphorus Potassium) compound fertilizer which is rich in microelement and has the effective dose of 50 %, 75 kg of diammonium phosphate or monoammonium phosphate and 18 kg of granular biological bacterial fertilizer to side positions 6 to 10 cm lower of rice seeds per hectare in one time and applying no fertilizer for the whole growth period; starting irrigating rice seedling at the rice period with four leaves and one center and manually replenishing water in the three water requirement critical period; weeding chemically; preventing and treating pest and disease damage; controlling rice blast. The dry direct seeding cultivation method for the rice has the advantages of solving the problems that the amount of labor used is large and the water is wasted during the rice cultivation process, increasing yield by 10 to 15 percent compared with water direct seeding, increasing yield by 5 to 10 percent compared with rice transplanting, being water saving, labor saving and mechanical in tilling, enabling tillering generation to be early and tillering number to be large, being good in soil permeability and enabling rice root system to be flourish.

The invention discloses a design method of an energy ecological greenhouse, and belongs to the technical field of ecological resource utilization. The design method comprises the following steps: arranging a greenhouse, a swine house, a toilet and a methane tank, wherein the special points are as follows: the methane tank is arranged underground at one side of the greenhouse, the swine house is arranged above the methane tank, a guardrail is arranged at the periphery of the swine house, the inside of the swine house is equipped with a feed inlet communicated with the methane tank, and the joint between the vegetable greenhouse and the guardrail of the swine house is equipped with a water storage tank, an earthworm tank and a feed discharge room communicated with the methane tank, which are sequentially arranged from front to back; and arranging a living and working room and the toilet outside the guardrail of the swine house, and arranging a solar water heater and a wind driven generator above the greenhouse. Compared with the prior art, the designed energy ecological greenhouse is provided with an energy ecosystem which integrates planting and cultivation functions, has complete biologic chain structure and realizes the positive cycle energy and substance flows, thus achieving the purpose of harmonious regulation and control of people, plants, microbes and animals, and forming perfect combination.

The invention discloses an anionic polyacrylamide water-in-water emulsion water shutoff profile control agent, and a preparation method and a using method thereof. The anionic polyacrylamide water-in-water emulsion water shutoff profile control agent consists of an anionic polyacrylamide water-in-water emulsion and a cross-linking agent. The preparation method comprises the following steps: adding deionized water, a stabilizing agent, part inorganic salts, nonionic monomers, anionic monomers, a chelating agent and (a chain transfer agent) into a reaction container, stirring uniformly, adjusting the pH value to a suitable range, introducing nitrogen to remove oxygen, adding an initiator to initiate a reaction, adding the remaining part inorganic salts in a reaction process, preserving heat, and discharging materials to obtain the anionic polyacrylamide water-in-water emulsion. The using method of the anionic polyacrylamide water-in-water emulsion serving as a water shutoff profile control agent comprises the following steps: diluting the water-in-water emulsion on situ or on line to prepare a uniform aqueous solution with a certain concentration, adding a certain amount of the cross-linking agent under the condition of stirring, stirring uniformly and injecting the aqueous solution into a stratum to realize the purpose of improving crude oil recovery rate.

The invention relates to a business park source-storage-load optimized configuration method comprising the steps as follows: (1) building a controllable air conditioning cold / heat load optimized regulation model; (2) getting a business park photovoltaic power generation system output curve; (3) determining an energy storage system charge and discharge strategy; (4) building a business park source-storage-load optimized configuration model; and (5) calculating the desired charge and discharge power values of an energy storage battery at each moment of time. According to the invention, an air conditioning load is used as virtual energy storage based on the controllability thereof in order to reduce the capacity of a required energy storage system, and the minimum cost for users to purchase electricity from a large grid is taken as an objective function to realize timely consumption of photovoltaic energy to the maximum, so the investment cost on energy storage is reduced, and the electricity charge is saved for users. The method is of high economic feasibility.

To provide a control method of temperature for a floor heating apparatus using an electric heater with a low electric bill. A heating panel HP comprises a flat plate electric power supply heating section 10 and a heat storage section 11 placed on an upper surface of the former. The heating panel HP is placed on a support floor 13 in a heating chamber. A floor finishing member 15 is laid on an upper surface of the heating panel HP, to constitute the floor heating apparatus for heating through electric power supply. The control method of temperature of the apparatus comprises the steps of dividing a power supply time zone to the heating section 10 into a daytime power supply time zone and a midnight power supply time zone, setting difference between set temperatures of the foregoing heating section 10 in these two power supply time zones, and keeping the set temperature of the midnight power supply time zone higher than that of the daytime power supply time zone.