65results about How to "Maximize energy saving" patented technology

A wireless electrical power metering system is provided. A processor having a multichannel power line transceiver, a wireless transceiver, and a power meter attached thereto measures power consumption information on a power line inductively coupled with the power meter. The processor converts the power consumption information into IP-based data, and transmits same over the wireless transceiver. The information can be wirelessly received by a remote monitoring station or transmitted across the Internet for storage, analysis, and billing. The processor generates appliance control signals and generates same across the multichannel power line transceiver to remotely control appliances in response to power consumption trends. The processor provides firewall capabilities, and relays information between a wired or wireless network and a power line network, thereby expanding the size of existing household networks. Further, the processor allows multiple dwellings to be networked using power lines, and households to be connected to the Internet via a power line network. The electrical power metering system also includes Global Positioning System (GPS), biometric scanning, emergency alert reception, and environmental monitoring capabilities.

A method and/or apparatus providing for an improved user interface for controlling a complex thermostat or Energy Management System is disclosed. The invention provides for a user selection of an energy management profile from a number of preconfigured stored profiles, the selection of the profile by the user then providing setting or control of many complex control settings for an energy management system or thermostat. The profiles can be labelled and/or ordered in levels or percentages of energy savings, and/or given names meaningful in making a selection.

A system, method and computer program product for managing power consumption in a system comprising at least two computing devices. The at least two computing devices are organized as part of active computing device group or a ready computing device group, the ready computing devices configured into various modes of readiness including a standby mode, a hibernating mode, and a power-off mode. A control device receives obtained sensed parameters indicative of the processing load at the group of active computing devices and determines a “Readiness” index value representing a state of system readiness which is a function of a transition time parameter representing a time for moving one or more computing devices from the second group of ready computing devices to the first group of active devices in response to a service level violation. To achieve maximum power saving and yet meet various performance targets, the ready computing devices are dynamically allocated from amongst three states: standby, hibernating or power-off, based on the current readiness index value.

The invention discloses a building outer wall structure with double shaping phase change material layers. The building outer wall structure sequentially comprises the outer shaping phase change wall board layer, a first thermal insulation layer, a wall body layer, a second thermal insulation layer, the inner shaping phase change wall board layer from outside to inside, wherein the outer shaping phase change wall board layer and the inner shaping phase change wall board layer are respectively made of phase change materials of phase change temperatures of Tm1 and Tm2, the phase change temperature Tm1 is set to be minimum in cold load all year round in the expositing environment of the phase change temperature Tm1, and the solid phase change materials melt into liquid phase change materials when the wall board layer temperature is equal to or higher than Tm1; the phase change temperature Tm2 is set to be minimum in heat load all year round in the exposing environment of the phase change temperature Tm2, and the solid phase change materials melt into liquid phase change materials when the wall board layer temperature is equal to or higher than Tm2. The invention further designs the components and proportion of the phase change materials of the two shaping phase change wall board layers. By the building outer wall structure which is compact, high in adaptability, convenient to manufacture and maintain later, and the like, outer wall cold load and heat load can be lowered effectively, and overall energy consumption is lowered evidently.

The invention discloses an air conditioner host machine increase and decrease control method and device as well as an air conditioner system. The air conditioner host machine increase and decrease control method comprises the following steps that a calculation model of the operation power and the refrigeration/heating quantity of a host machine is obtained; the practical load demand Q0 of the air conditioner tail end is obtained; the corresponding first operation power Ni when the refrigeration/heating quantity of the single host machine is Q0/i is respectively calculated according to the calculation model, wherein the i is a natural number not equal to zero, and is 1, 2, 3 to T, and the T is the total host machine number; the first total power consumed when i host machines are started under the first operation power Ni is respectively calculated, so that T first total powers are obtained; the host machine number corresponding to the minimum first total power in the T first total powers is determined to be the operation number of the practical host machines. The practical operation number of the host machines is controlled according to the principle that the power sum of the parallel connection host machines is the minimum, and the goal of maximizing the energy saving effect is realized, so that the energy saving effect of a cold station reaches the maximization.

The embodiment of the invention relates to the technical field of communication and discloses a base-station control method, device and system, wherein the base-station control method includes: determining whether any carrier wave of any section of a macro base station meets a first turn-off condition, if yes, then acquiring information of each micro base station which has an overlapping coverage relation with the carrier wave of the macro base station; determining whether the micro base stations meet a second turn-off condition according to the information of each micro base station, and if yes, notifying the micro base stations which meet the second turn-off condition to execute turn-off operation. Through the base-station control method, device and system, energy consumption of a whole network is reduced.

The invention discloses a six-effect evaporative crystallization device and process applied to zero discharge of industrial wastewater. The six-effect evaporative crystallization device comprises six preheaters, six groups of evaporators, a desalting unit for desalination and other components, which are operated in series connection, wherein the front five preheaters focus on recovering waste heat of evaporative condensation water, and the preheater at the tail end is used for heating concentrated brine entering the first effect evaporator to close to a bubbling point; the front four effect evaporators are falling-film evaporators, the back two effect evaporators are forced circulation type evaporators, the front four effect evaporators are mainly used for evaporating water, the back two effect evaporators focus on concentration, and the brine is finally concentrated to a slurry with certain solid content; the slurry is desalinated by virtue of the desalting unit; and evaporated condensate exchanges heat with the concentrated brine to ensure that steam heat energy can be fully used, thereby improving the utilization ratio of the heat energy. The six-effect evaporative crystallization device can be widely applied to evaporative desalination working sections of various industries, and is particularly suitable for 'zero' discharge treatment systems for the industrial wastewater.

The invention discloses a big data heat supply energy management and control platform system based on a PDCA system. The big data heat supply energy management and control platform system comprises: aheat source control system, a heating station control system, a heat consumer room temperature collection system, an operation toll collection system and other data source systems which are respectively used to provide related data sources and control bottom-layer execution mechanisms; a big data server cluster and a relational database server cluster respectively used for data existence, storageof a big data analysis and data parameter relation table and Web website publishing; a big data analysis module used for data analysis processing; a checking index system used for checking of rated indexes; a whole network dispatching optimization module used for load prediction and hot source dispatching for a heat supply whole network; a tracking checking system used for checking of the rated index, benchmarking of the energy consumption and cost statistics trace analysis; and a big data analysis model used for link continuous online dynamic optimal improvement according to an operation implementation condition. The big data heat supply energy management and control platform system can achieve the purposes of reducing the energy consumption and improving the energy efficiency.

The invention relates to a far-end intelligent energy-saving control system and method for a central air-conditioner. A control interface output end of a terminal controller is in series connection to control fan power and an electromagnetic valve of cold/hot circulating water, and a central control computer sends signal to the terminal controller via a communication control module between layers. The terminal controller directly controls the fan power and the electromagnetic valve of cold/hot circulating water according to optimal control parameters sent by the central control computer. The system is mounted outside of the control system of the central air-conditioner, the terminal controller can be controlled to open and close the fan power and the electromagnetic valve of the cold/hot circulating water in an air outlet directly. In the system, modifying of the controller of a central air conditioning unit is avoided and the operation of the far-end fan power and the electromagnetic valve of the cold/hot circulating water directly is adjusted directly as the central air conditioning unit adjusts the operation of the unit according to the actual temperature or the flow of the return water automatically. The system is superimposed to the prior central air-conditioner other than changing the original set of the central air-conditioner.

An apparatus and method controls an environmental control system to maintain a differential pressure between a room and one or more adjacent areas by (1) determining a differential pressure error based on the differential pressure and a differential pressure set point using a proportional-integral-derivative (PID) controller; (2) increasing an air change per hour set point whenever one or more first parameters are satisfied; (3) decreasing the air change per hour set point whenever one or more second parameters are satisfied; and (4) sending one or more control signals to the environmental control system that maintain the differential pressure between the room and the one or more adjacent areas by adjusting: (a) the leading airflow to be approximately equal to the air flow change set point multiplied by a volume of the room divided by 60, and (b) the tracking airflow to maintain a volume differential set point.

The invention provides a bladder type energy accumulator which is of five structures and has an external air source and an oil level control function. The energy accumulator can horizontally stretch or retreat to deform to store energy, can allow a bladder to be taken out integrally for in-situ replacement, can horizontally or vertically deform to store energy, or has a pull-rod fixed-capacity/variable-capacity control function. According to the operating principle, energy storage is realized through horizontal deformation of the bladder or through main horizontal deformation and auxiliary vertical deformation. According to the structure of the bladder, the diameter of the bladder is half that of a cylinder, the two ends of the bladder are fixed and are open, or one end of the bladder is closed, and the bladder becomes thinner gradually from the two ends to the middle. Oil and gas are separated by the bladder, gas is guided into the bladder, oil is injected outside the bladder, energyconversion is achieved by means of gas pressure changes caused by alternate changes of the volume of oil and the volume of gas, and thus, the purposes of energy storage and release are realized. An automatic alarm device is arranged for oil shortages. Inlet oil can be magnetically filtered. The bladder type energy accumulator has the advantages that the structure is simple, the manufacturing costis lower, machining, manufacturing and maintenance are convenient, and responding is more sensitive; and intelligent control can be achieved, and the bladder type energy accumulator is suitable for alarge-capacity energy storage and closed-loop hydraulic balance system.

The invention discloses an air source heat pump heating system capable of cascade heat storage, heat supply and defrosting. The air source heat pump heating system involves a refrigerant circuit and aheating hot water circuit, wherein the refrigerant circuit involves an evaporator, a four-way reversing valve gas-liquid separator, a compressor, a cascade phase change heat storage device, a condenser, a filter and an expansion valve; and the heating hot water circuit comprises the cascade phase change heat storage device, the condenser, a hot water circulation pump, and a heating end device. According to the air source heat pump heating system, compared with the prior art, stored heat can be directly used for heating, the intermediate link is greatly reduced, and the energy utilization efficiency of the system is improved; the system can achieve six operational mode adjustments according to working conditions, and the economic benefits and the energy-saving benefits are maximized; and the cascade phase change heat storage device provided by the air source heat pump heating system can be divided into a middle-low-temperature heat storage unit for heating and a lower-temperature heatstorage unit for defrosting of a heat pump, so that the cascade utilization of the heat is realized.

The invention discloses an energy-saving building temperature control system. The energy-saving building temperature control system comprises a water pump, a water source heat pump unit, a tail end heat exchanger and a control mechanism, wherein the water pump communicates to a river bottom or a lakebed. The water source heat pump unit is connected with a water pump pipeline. The tail end heat exchanger is arranged in an indoor ares of a user and is connected with the water source heat pump unit through a first circulating pump. The control mechanism comprises a master controller and a control panel. The master controller controls operation of the water pump, the water source heat pump unit and the first circulating pump according to preset starting parameters within preset time after starting, and adjusts operation of the water pump, the water source heat pump unit and the first circulating pump according to operation parameters input on the control panel after the preset time is up, so that constant-temperature and constant-pressure operation of the system is achieved. By means of the characteristic that river water or lake water around a building is warm in winter and cool in summer, the cold and hot requirements of the building are met through heat exchange of the river water or the lake water, meanwhile, use of the land area is reduced, the heat exchange efficiency is improved, and maximum energy saving of the system is achieved through constant-temperature and constant-pressure control.

The invention relates to a direct current frequency-conversion speed-regulation temperature control system which comprises a power supply system, a PWM (pulse width modulation) fan, a variable speed fan and an AO (analogue output) drive compressor. The system is characterized in that the power supply system provides minus 48V direct current; the rotation speed of the PWM fan is adjustable so as to achieve adjustable wind speed; and the compressor is a variable speed compressor, and a flexible start mode is adopted. The temperature control method of the direct current frequency-conversion speed-regulation temperature control system of the claim 1 is utilized, the cold or heat output of the refrigerating and heating unit is mainly controlled through target unit temperature curve changes; the method for controlling the cold and heat is provided according to requirements, and the temperature requirement of the target unit can be met with less energy resource consumption; and the energy conservation maximization is realized.