90results about How to "Alleviate electricity pressure" patented technology

The invention discloses an air-conditioning system with combined operation of evaporative cooling, cold water storage and night ventilation. The air-conditioning system comprises a machine unit shell, wherein a fresh air inlet is formed in one side wall of the machine unit shell; an air conveying port is formed at the lower part of the side wall, opposite to the fresh air inlet, of the machine unit shell; a cold water / cold air machine unit for the evaporative cooling is arranged inside the machine unit shell; a cold water storage tank and a user side are arranged outside the machine unit shell; and the cold water / cold air machine unit for the evaporative cooling, the cold water storage tank and the user side are connected with one another through a pipe network. According to the air-conditioning system provided by the invention, the cold water / cold air machine unit for the evaporative cooling can be started at night to make cold water and cold air by virtue of a power trough and electricity price difference, the cold water is stored in the cold waster storage tank and is supplied to a user at daytime, the cold air is supplied into a room directly to exchange hot air stored in the room, and then the cold load in the room is decreased.

The invention discloses a central air charge optimization method and system based on Internet of Things. According to the method, room energy consumption historical data, indoor and external environment temperature data, room arrangement, peak valley electricity price mechanism data and the like in a database server are acquired, a central air conditioner energy-saving optimization control centerserver uses a BP neural network method to predict the energy consumption of the second day of each room, the opening and closing of a central air conditioner are determined forward in a time window mode at the end moment of the lowest electricity price, a command is issued to the Internet of Things node, the tail end of an intelligent air conditioner is remotely controlled, the refrigerating capacity or heat which is prepared by the central air conditioner is distributed in each room in advance, the Internet of Things node collects indoor and outdoor temperature information of the environmentmodule of the room in real time and stores the data into the database server, and a regional peak valley electricity price mechanism and the good heat preservation performance of a building are utilized, and the needed energy is input into a room in advance when the electricity price is low, so that the operation cost is further reduced, the electricity consumption peak is staggered, and the electricity pressure is relieved.

The invention discloses a photovoltaic LED direct-current power supply control system which comprises a photovoltaic array, a controller, an energy storage battery, a drive control module, an LED load, a grid-connected inverter and a public supply network. The controller is connected with the photovoltaic array and used for carrying out voltage conversion on direct currents output by the photovoltaic array to charge the energy storage battery and detecting the electric quantity of the energy storage battery. After the electric quantity of the energy storage battery is saturated, redundant electric energy is input to the grid-connected inverter by the photovoltaic array. The drive control module is connected with the energy storage battery and used for carrying out voltage conversion on output voltages output by the energy storage battery to supply power to the LED load. The grid-connected inverter is connected with the photovoltaic array and the public supply network and used for carrying out contravariant conversion on the redundant electric energy output by the photovoltaic array to form alternating currents to be conveyed to the public supply network. Direct-current direct supply is really achieved, conversion links are reduced, the effects of environmental protection and energy saving are achieved, and meanwhile the functions of peak regulation and the like are achieved.

The invention provides a power supply system and a power supply control method. The power supply system comprises an uninterrupted power supply, a storage battery and a management and control device of the energy storage. The uninterrupted power supply is respectively connected with the storage battery and a server of a data center. The management and control device of the energy storage is respectively connected with the uninterrupted power supply and the storage battery and is used to determine a current corresponding power supply phase of a mains supply and controls the charging and discharging of the storage battery according to the current corresponding power supply phase of the mains supply. The technical scheme of the invention can make full use of the storage battery in the power supply system for avoiding the resource waste and can further use the storage battery for supplying the power to a server at a peak stage of the power supply and use the mains power supply for supplying the power to the server and charging the storage battery at the same time at a bottom stage of power supply, when the mains supply is normal, thus achieving peak-load shifting and saving the electricity cost.

The invention discloses a photovoltaic-power-generation aquatic industrialized aquaculture workshop which includes a plurality of solar photovoltaic panels which form a workshop ceil, combiner boxes connected with the solar photovoltaic panels, inverters connected with the combiner boxes, an AC power distribution cabinet and an electrical device connected with the AC power distribution cabinet. The solar photovoltaic panels send and supply power to the electrical device via the combiner boxes, the inverters and the AC power distribution cabinet. Through adoption of the structure, ceilings of buildings can be utilized effectively without occupying land resources; power can be generated and utilized on the spot so that power grid investment is saved in a specific distance range; power is generated when sunlight shines at daytime so that power use pressure is relieved; installation on building ceilings and wall surfaces enables solar energy to be absorbed directly so that the ceiling and wall temperatures of an aquaculture plant are reduced significantly and thus an energy saving and emission reduction effect is achieved; and in a power generation process, no noise is generated, no pollutant is exhausted, nor fuel is consumed so that the workshop is environmentally friendly.

The invention discloses a pumped-storage hydroelectric plant applied to an ecological reservoir and a sewage treatment method. The pumped-storage hydroelectric plant comprises a slope, a lower reservoir and an upper reservoir; a water pumping pipe and a sluiceway are arranged between the upper reservoir and the lower reservoir, respectively; a combined water suction pump is arranged on the water pumping pipe; a turbine generator is arranged on the sluiceway; an aerator is arranged at the bottom end of the upper reservoir; a concrete retaining wall is arranged to surround the upper reservoir; a wind driven generator is arranged at the upper end of the concrete retaining wall; a solar panel is arranged at the upper end of the concrete retaining wall. The sewage treatment method comprises the steps of (a) construction preparation, (b) surveying and setting out, (c) foundation pit excavation, (d) water pumping pipe construction, (e) sluiceway construction, (f) slope foundation pouring, (g) slope preparation construction, (h) vegetation planting, (i) lower reservoir excavation, (j) upper reservoir excavation, (k) water diversion, water pumping (l) and (m) sluicing. The pumped-storage hydroelectric plant is capable of producing the electric energy by virtue of energy conversion, and also capable of changing dead water into running water and improving the water quality.

The invention discloses a flexible load-considered multi-target day-ahead economic dispatching model and a flexible load-considered multi-target day-ahead economic dispatching method. The method comprises the steps of firstly, establishing a wind power output uncertainty model and a load uncertainty model; considering the economic cost and the carbon emission of the system at the same time; respectively modeling a thermal power generating unit and a flexible load in the system, processing the spinning reserve constraints of the system by adopting opportunity constraint programming, solving themodel by adopting an improved CMOPSO algorithm, and finding an optimal compromise solution from a Pareto solution set by utilizing a fuzzy membership function, namely balancing the solutions of two target functions. According to the method, a unit output plan of the next day can be made before the day. The fluctuation of wind power and loads is met with a certain confidence coefficient, and the reliability of system operation is guaranteed. The demand side flexible load participates in system scheduling and can be coordinated and matched with the power generation side to achieve the effects of peak clipping and valley filling and relieving the power utilization pressure in the peak period. The improved algorithm can increase the search range of the target space and improve the convergenceand diversity of the algorithm.

The invention discloses a dual-energy gas heat pump air-conditioning system for refrigeration and heating and an operating method thereof. The dual-energy gas heat pump air-conditioning system comprises a heat pump system and further comprises a vacuum boiler heat exchange device, a temperature sensor and a switching circuit, wherein the vacuum boiler heat exchange device is arranged outdoor, is connected between the compressor of the heat pump system and a first heat exchanger through pipelines and is positioned in the same circulating system together with other parts; the temperature sensor is arranged outdoor, and the output end of the temperature sensor is electrically connected with the input end of the switching circuit; and the switching circuit controls alternative starting and stopping of the vacuum boiler heat exchange device and the first heat exchanger according to temperature signals output by the temperature sensor. When outdoor temperature is reduced to be below the set temperature, the vacuum boiler device generates heat, so that the problems that for the common heat pump system, when the air temperature is low in winter, the outdoor machine is low in heat-absorbing efficiency from air, and frosting causes the system not to operate are solved thoroughly. The dual-energy gas heat pump air-conditioning system has the advantages that the efficiency is high, the heating effect is good, and the load of a power system is reduced when in a power-consumption peak.

The invention discloses a tunnel-kiln-based waste heat recycling system, a tunnel-kiln-based waste heat power generating system and an implementation method and solves the problems that the tunnel kiln waste heat utilization efficiency and economical value are low and the like. The tunnel-kiln-based waste heat recycling system comprises steam gatherer (1), a softened water supply device (6) and a heat exchanging pipeline system (3), wherein the steam gatherer (1) is located at a cooling strip of a tunnel kiln and provided with a saturated steam outlet (2), the softened water supply device (6) supplies water for the steam gatherer (1) through a water feed pump (5), and the heat exchanging pipeline system (3) is communicated with the steam gatherer (1) and used for collecting waste heat of the tunnel kiln. A moisture separator (11) is disposed in the steam gatherer (1). Collected waste heat is applied to industries, such as power generation and heating, requiring steam, waste heat of the tunnel kiln is fully utilized, energy conservation and environmental protection are achieved, income of enterprises is increased, and production cost of enterprises is lowered.

The invention discloses an intelligent LED indication board based on a road Internet of Things monitoring system, and belongs to the technical field of road Internet of Things monitoring. The indication board comprises a stand column, a cross beam, a frame, a solar cell panel, an LED display, a wireless signal transceiver, an intelligent controller and a battery. The intelligent LED indication board carries out data interaction with the road Internet of Things monitoring system through the wireless signal transceiver, and the functions of accident broadcasting, emergency rescue vehicle guiding prompting, dynamic speed limit value setting, overweight and overspeed vehicle warning, LED screen brightness adjusting, road service condition reporting and the like are achieved. The LED indication board can be seamlessly jointed with the road Internet of Things monitoring system, and forms Internet of Things coordination with other LED indication boards, so that intelligent output of information such as pavement use performance is realized, and driving reference is provided for a driver. Meanwhile, the LED indication board has a solar power generation function, the power utilization burden of a road power grid is reduced, and energy is saved.

The invention relates to an air conditioner control method. The air conditioner control method includes the following steps that the standby use time period of an air conditioner is obtained; the initial standby use electric quantity of the air conditioner is obtained; the electric consumption of each hour in the standby use time period is obtained according to the initial standby use electric quantity; and the air conditioner is controlled to run with the power corresponding to the electric consumption of each hour according to the electric consumption of each hour in the standby use time period. By means of the air conditioner control method, the determined electric quantity is used in the standby use time period, the electric quantity is distributed to the electric quantity used in eachhour, the electric quantity used in each hour is used for controlling the air conditioner to run, and therefore the electric consumption of the air conditioner is effectively controlled, and energy is saved.

The invention discloses an electric heating energy-saving storage unit which is simple in structure, environmentally friendly and energy saving. The electric heating energy-saving storage unit comprises an electric heat storage device, a constant temperature heat exchanger, and a heat transfer oil heating device. The electric heat storage device comprises a heat storage tank, an ultrahigh temperature pump arranged on the heat storage tank, and an electric heating wire. The heat storage tank is filled with organic liquid. The organic liquid can be heated to the high temperature lower than 550 DEG C under the normal pressure. The constant temperature heat exchanger comprises a constant temperature tank, a temperature control pump disposed on the constant temperature tank, and a heat transfer soil heated coil disposed inside the constant temperature tank. The constant temperature tank is communicated with the heat storage tank. The heat transfer oil heating device is connected with a hot oil circulating pump providing cyclic power, an expansion tank and an oil storage tank storing heat transfer oil and heated through a heat transfer oil circulating pipeline. The electric heating energy-saving storage unit stores heat energy by electric heating in off-peak periods, the heat energy is used for production and processing in peak periods, production cost is reduced, and pressure of using electricity in peak periods is reduced.

The invention relates to a multi-layer roller hearth waste heat utilization cyclic furnace and a waste heat recovery method applied to the multi-layer roller hearth cyclic furnace. The multi-layer roller hearth waste heat utilization cyclic furnace comprises a furnace body, an elevator, a vacuum ventilation chamber, a material inlet and outlet table, a transmission system and a control system. The transmission system comprises a transmission device which is connected with a motor. The material inlet and outlet table, the vacuum ventilation chamber, the elevator and the furnace body are sequentially connected. An electric furnace door is arranged between the furnace body and the elevator. A furnace shell is arranged outside the furnace body. Multiple heating bodies and at least two layers of in-furnace carrier rollers are disposed in the furnace body. The in-furnace carrier rollers of each layer are arranged on the transmission device. The control system controls forward and reversing transmission of the transmission device and ascending and descending of a lifting movable table. Compared with a continuous furnace and a cyclic furnace in the prior art, the multi-layer roller hearth waste heat utilization cyclic furnace has the advantages that charge capacity is large, the application range is wide, energy consumption for production is low and production efficiency is high.

The invention relates to the technical field of wind power generation system control, in particular to an energy storage energy throughput implementation method in real-time compensation of wind powergrid-connected forecast deviation. According to predicted power deviation positive and negative values and amplitudes, a bidirectional DC / DC converter (DC / DC) and a bidirectional DC / AC converter (DC / AC) are triggered to work in a specific mode through clock synchronization so as to compensate the wind power grid-connected forecast deviation. According to positive / negative of the deviation, the two converters alternately perform power and voltage control modes to cooperatively complete throughput of energy storage energy, compensate the wind power scheduling plan prediction deviation, reduce the prediction deviation and achieve effective plan tracking. By using the method of the invention, the prediction precision of the wind power integration plan is increased; the problem that a power grid cannot be scheduled due to large-proportion wind power access is solved, the scheduling reserve capacity of the power grid can be effectively reduced, the supply and demand balance of the power grid is maintained, the problem of unstable operation of the power grid is avoided, the wind power grid-connected operation capacity is effectively improved, and the problem of punishment electricity price caused by inaccurate prediction is overcome.

A road power generation system comprises a fixed frame, a protective layer, a wind power generation unit and electric equipment. The fixed frame is laid on a road pavement and fixedly connected to thepavement and / or road edge stone. An air inlet pipeline and an air outlet pipeline are arranged in the fixed frame, and a first groove is formed in the fixed frame. One end of the air inlet pipeline and one end of the air outlet pipeline both communicate with the first groove. The other end of the air inlet pipeline stretches out of one side of a road or the road edge stone and is connected with afirst one-way valve to prevent air from being discharged into the atmosphere from the air inlet pipeline. An airbag is arranged in the first groove and communicates with the air inlet pipeline and the air outlet pipeline, and the airbag is inflated and then protrudes out of a groove opening of the first groove. The protective layer is laid on the fixed frame. After the airbag is inflated, the protective layer is supported by the airbag. After the airbag is completely deflated, the protective layer is supported by the fixed frame. The wind power generation unit comprises a wind power generatorand a storage battery. The wind power generator comprises a hood, a generator body and a fan. The electric equipment is connected to the storage battery or the generator body.

The invention provides a charging system based on a novel electric vehicle. A plurality of solar batteries are connected in series according to electric power requirements and then a DC cable is connected to the input end of a photovoltaic inverter. The photovoltaic inverter converts the alternating current into direct current. The output end of the photovoltaic inverter sends the alternating current to the input end of a switch board. The output end of the switch board is connected to a local power grid or an electrical vehicle charging power charging pile. According to the charging system based on the novel electric vehicle, the convenient charging service with clean energy can be provided in cities, the system also can be constructed in a remote area with power shortage, the solar power is used to charge the electric vehicle, thus the electric vehicle can timely obtain clean solar power, and the purposes of relieve urban electricity consumption pressure, energy saving, and emission reduction are achieved.

The invention provides an intelligent office environment control system. The system herein includes an energy storage system, an energy efficiency management system, and an environment monitoring system. The environment monitoring system includes a camera, a detection sensor, a controller, an environment device, a communication unit, a storage unit, and a client. The energy storage system is in electrical connection to the energy efficiency management system and the environment monitoring system. The camera, the detection sensor, and the environment device are in electrical connection to the communication unit. The communication unit is connected to the controller, the storage unit and the client in a wireless or wired communication. The detection sensor is intended for detecting the working environment inside the office. The environment device is intended for, based on the data that is detected by the detection sensor, regulating the environment of the office, and providing a comfortable and sanitary work environment for office workers by regulating the light, temperature, humidity and air quality in the office. The energy storage system and the energy efficiency management systemcan effectively mitigate the burden of electricity usage in peak hours, and lowers electricity cost.

The invention provides a system for generating sewage gas by a straw, belongs to the technical field of sewage gas, and solves the technical problems that the existing sewage gas production system is complicated in structure, low in biogas production efficiency, low in automatic degree and the like. The system for generating the sewage gas by the straw comprises a straw crusher, a methane tank, and a delivery device which is arranged between the straw crusher and the methane tank; a rotating mechanism capable of driving a moving cutter cylinder and making a moving blade tangent with a fixed blade is arranged on the straw crusher; the delivery comprises a transport cylinder, a delivery pipe and a fan; the methane tank comprises a tank body, a tank cover, a connecting pipe 1 and an air storage tank; the methane tank is provided with a control mechanism 1 and a control mechanism 2; the first control mechanism 1 can stabilize the pressure of the methane tank; and the control mechanism 2 can adjust the temperature of the methane tank. The system disclosed by the invention has the advantages of simple structure, high gas production efficiency, security, stability, and high automatic degree; and the energy source can be saved.

The invention provides a building energy-saving control device suitable for multi-energy supply modes. The device comprises a supporting plate. The top surface of the supporting plate is fixedly provided with a box body with an opening on the top surface. The bottom surface of the supporting plate is fixedly provided with a water flow generator. The turbine of the water flow generator is directlybelow the other end of a U-shaped tube on the outer side of the box body. A solar panel is controlled by a solar controller and connected with a storage battery after voltage regulation circuit by another current limiting resistor. The device effectively converts falling rainwater, wind energy and solar energy into electric energy and stores them in the storage battery. The electric energy generated in the storage battery is for people use from time to time so as to save energy and save cost. People can also be self-sufficient and use the generated electric energy for daily life, thus saving electricity consumption expenses. Meanwhile, the pressure of urban electricity consumption can be alleviated, the power supply cost of power institutions can be reduced and the energy consumption of power institutions can be reduced. People can also sell the generated surplus electric energy to the power institutions to increase income.

The invention discloses a power-saving management method based on an intelligent panel. The power-saving management method comprises the steps that: the intelligent panel obtains current power utilization information from a power grid server; the intelligent panel analyzes whether the intelligent panel is currently in a power peak period or a power valley period according to the power utilizationinformation; when the analysis result indicates that the intelligent panel is the power valley period, the intelligent panel acquires the current time, and searches a corresponding household appliancelist in a corresponding relation table of pre-stored time periods and the household appliance list according to the current time; and the intelligent panel sends a turn-on control signal to a household appliance in the household appliance list to control the household appliance in the household appliance list to be turned on. By means of the mode, automatic power-saving control over household appliances can be achieved by means of the power-saving management method in cooperation with the intelligent panel, power utilization expenditure is reduced for users, and power utilization pressure isrelieved for a power supply mechanism.

The invention relates to a light sense street lamp, in particular to a light sense street lamp using wind energy, comprising a light sense receiver, a light sense control switch, a lampshade, a lamppost, a wind wing and a wind energy converter; wherein, the light sense receiver, the wind wing, the wind energy converter, the light sense control switch and the lamppost are sequentially fixed from the top down; the lampshade is arranged in the middle part of the lamppost. The light sense switch of the invention can control the street lamp according to brightness of the surrounding environment and turn on the street lamp in a fast and convenient way when illumination is needed, thus saving manual adjustment and saving energy while using wind energy and alleviating urban power utilization pressure.

The invention discloses a pumped-storage hydroelectric plant applied to an ecological reservoir and a sewage treatment method. The pumped-storage hydroelectric plant comprises a slope, a lower reservoir and an upper reservoir; a water pumping pipe and a sluiceway are arranged between the upper reservoir and the lower reservoir, respectively; a combined water suction pump is arranged on the water pumping pipe; a turbine generator is arranged on the sluiceway; an aerator is arranged at the bottom end of the upper reservoir; a concrete retaining wall is arranged to surround the upper reservoir; a wind driven generator is arranged at the upper end of the concrete retaining wall; a solar panel is arranged at the upper end of the concrete retaining wall. The sewage treatment method comprises the steps of (a) construction preparation, (b) surveying and setting out, (c) foundation pit excavation, (d) water pumping pipe construction, (e) sluiceway construction, (f) slope foundation pouring, (g) slope preparation construction, (h) vegetation planting, (i) lower reservoir excavation, (j) upper reservoir excavation, (k) water diversion, water pumping (l) and (m) sluicing. The pumped-storage hydroelectric plant is capable of producing the electric energy by virtue of energy conversion, and also capable of changing dead water into running water and improving the water quality.

The invention provides a train carriage control system. An accumulator supplies power to a seat arrival station information acquisition unit, a seat human body detection unit, a temperature detection unit, a central control unit, an arrival reminding control unit and an air conditioner control unit through a power management unit; the signal output ends of the seat arrival station information acquisition unit, the seat human body detection unit and the temperature detection unit are respectively connected with the corresponding signal input ends of the central control unit; and the signal output ends of the central control unit are respectively connected with the signal input ends of the arrival reminding control unit and the air conditioner control unit. According to the invention, a station information wireless transmitting unit is used for accurately transmitting arrival station information to the central control unit through a station information wireless receiving unit, and the central control unit controls the corresponding reminding device to give a corresponding prompt; and the temperature detection unit controls the air conditioner control unit through the central control unit so as to adjust the internal temperature of the carriage, thereby improving the comfort level of passengers.

The invention provides a train compartment environment monitoring system. A solar cell panel is electrically connected with a storage battery, the storage battery is used for supplying power to a central control unit, a temperature detection unit, a camera, an air conditioner control unit and a data acquisition unit respectively through a power supply management unit, the temperature detection unit is used for detecting the temperature of a monitoring point and transmitting a temperature signal to the central control unit, and a signal output end of the central control unit is connected with a signal input end of the air conditioner control unit. In the train compartment environment monitoring system, the camera and the data acquisition unit are used for intelligent monitoring on an environment in a compartment and actively analyzing a video of a monitoring site, a monitoring terminal is used for reminding of a suspicious target so as to facilitate a train police to obtain evidence and solve a case, the temperature detection unit is used for controlling the air conditioner control unit to reasonably adjust the interior temperature of the compartment through the central control unit, thus, the safety of railway passenger is improved, and the comfortableness of the railway passenger is also enhanced.

The invention provides a marsh gas production system of a marsh gas tank with a drive mechanism, belongs to the technical field of marsh gas, and solves the technical problems of the existing marsh gas production system such as low gas production efficiency, inconvenient gas collection, large occupied space of a storage device and the like. The marsh gas production system of a marsh gas tank with a drive mechanism comprises a marsh gas tank, wherein the marsh gas tank comprises a tank body in which marsh gas can be produced, a tank cover hinged at the upper part of the tank body and a connecting tube, wherein an electric heating tube is arranged in the tank body; one end of the connecting tube is communicated with the tank body through the tank cover; the connecting tube and the tank cover keep sealed; the other end of the connecting tube is connected with a storage device; and a control mechanism capable of automatically starting the electric heating tube when the temperature in the tank body is lower than a set value is further arranged in the tank body. The marsh gas production system provided by the invention has the advantages of high gas production efficiency, convenient gas collection and small occupied space of the storage device.

The invention discloses a river channel ecological management device which comprises a material collecting box arranged on a river channel liquid surface in an overhead manner. A material collecting cavity is formed in the middle of the material collecting box. The upper end face of the material collecting cavity is opened. A filtering net is arranged in the material collecting cavity. Insertion holes are formed in the two sides of the upper end face of the material collecting box. A set of springs are fixedly arranged on the bottom faces of each insertion hole. The outer side end face of each spring is fixedly connected with an insertion rod, and the outer side end of each insertion rod is fixedly connected with a water pump support. A positioning rod is arranged at the bottom of each water pump support. The bottom of each positioning rod is inserted in a river bed. A water pump is fixedly installed on the top of each water pump support, and an external power supply system supplies electricity to each water pump. The input end of each water pump is connected with a water pumping pipe, and each water pumping pipe penetrates the filtering net and stretches into the lower end face of the filtering net. The river channel ecological management device is simple in structure, water plant removing can be rapidly conducted on the river channel, the cleaning cost is reduced, the labor intensity of workers is lowered, a self-power-generation structure is adopted, and therefore the power utilization pressure is reduced.

The invention relates to a direct current peak clipping and valley filling system, device and method. The system comprises a storage battery unit, an AC / DC rectifying unit, a direct current peak clipping and valley filling device and a direct current load module. The DC peak clipping and valley filling device controls the time sequence of supplying power to the DC load module by the AC / DC rectification unit, supplying power to the DC load module by the storage battery unit and charging the storage battery unit according to a preset control time sequence. Peak clipping, valley filling, energy storage and consumption reduction are carried out on the direct-current side of the system, only a direct-current line needs to be transformed, an original mains supply alternating-current line is notchanged, operation is easy, cost is low, and installation is convenient. The system can effectively achieve peak clipping and valley filling, peak clipping and valley filling are utilized for peak regulation, and the electric pressure of the mains supply is relieved; and the electricity cost is saved through the peak-valley electricity price difference.

The invention provides a user power utilization management system for intelligently managing an electrical appliance used by a user so that power utilization pressure in peak time is reduced to a great extent, and relates to a power utilization management system. A power utilization saving prompt signal is given out through monitoring whether current power supply of a power grid is insufficient ornot or is forecasted to be insufficient by a power grid monitoring end, a mobile phone app communicates with the power grid monitoring end and is used for prompting the user to close unnecessary power utilization equipment when the power utilization saving prompt signal is received, an electric quantity monitoring module is arranged in a user room and is used for monitoring a power utilization state of indoor equipment in real time, and the mobile phone app communicates with the electric quantity monitoring module and is also used for displaying the power utilization state of the indoor equipment. By the user power utilization management system, the indoor power utilization state can be intelligently managed, and the power utilization pressure in the peak time is reduced to the great extent.

The invention belongs to the field of power supply devices, and relates to a portable terminal. The portable terminal comprises a shell. A display screen and a camera are arranged on the shell. A circuit board and a power supply device are arranged in the shell. A CPU, a storage part, a communication part, a control part and an interpretation part are arranged on the circuit board. The display screen, the power supply device and the camera are used for being matched with the parts. By means of the portable terminal, the work quality of marketing personnel in power supply enterprises can be improved, especially the work efficiency of electric charge accounting staff can be greatly improved, and electric charge accounting staff can quite conveniently and rapidly recheck the electric charge calculation results; meanwhile, by means of the portable terminal, clients can see the calculation processes of all electric charges quite clearly, and query of clients on paid electric charges can be quite visually eliminated. Especially, when clients change service, clients can know the electric charge calculation results generated after the service is changed in advance through the portable terminal, and optimal reasonable electric utilization schemes are selected for clients.

The invention discloses a solar curtain wall structure and a power generating method thereof. The solar curtain wall structure comprises a photovoltaic module, structure elements, an air-inlet grille,a ventilation passage, a first wind power generator and an air-outlet grille, wherein the photovoltaic module is arranged at the outer side of a curtain wall and is used for photovoltaic power generation; the structure elements are used for connecting the curtain wall to a building main body; the air-inlet grille is arranged at the lower part of the curtain wall; the ventilation passage is formedbetween a building main body wall and the curtain wall; the first wind power generator is positioned in the ventilation passage and is used for wind power generation; and the air-outlet grille is positioned on the top of the building. The solar curtain wall structure and the power generating method provided by the invention solve the problem of low solar energy utilization rate of the solar curtain wall.