Patent application number | Description | Published |
20080234869 | Remote Performance Monitor and Remote Performance Monitoring Method - A remote performance monitor to acquire monitoring data concerning an air-conditioning system of a monitoring target building and to determine an operating condition of the air-conditioning system, the remote performance monitor comprises a monitoring data receiver ( | 09-25-2008 |
20100006662 | AIR CONDITIONING CONTROL SYSTEM, SUPPLY AIR SWITCHING CONTROLLER FOR USE IN THE AIR CONDITIONING CONTROL SYSTEM, AND AIR CONDITIONING CONTROL METHOD - An air conditioning control system allows a supply air switching controller to alternately switch outside air control and return air control at a preset switching interval. The supply air switching controller is connected to an air conditioner placed to correspond to each room inside as an air conditioning control subject. The outside air control takes outside air into a temperature/humidity adjustment coil of the air conditioner by opening a first damper provided in the air conditioner in order to adjust an intake volume of the outside air into the air conditioner and by closing a second damper provided in the air conditioner in order to adjust an intake volume of return air from the room inside. The return air control takes the return air from the room inside into the temperature/humidity adjustment coil of the air conditioner by closing the first damper and opening the second damper. | 01-14-2010 |
20100023167 | AIR-CONDITIONING SYSTEM CONTROLLER - In an air-conditioning system controller provided with a central control unit and a local control unit, the central control unit includes a heat source machine measurement system for measuring an input/output state of a heat source machine, a setting unit for setting air-conditioning condition data on air-conditioning object spaces, an outdoor air measurement system for measuring outdoor air condition data, a total air-conditioning load operating unit, an optimal operating state estimation unit, and a heat source machine control. The total air-conditioning load operating unit calculates a total air-conditioning load or a heat exchange rate of the heat source machine based on chilled water inlet and outlet temperatures and chilled water flow rate of the heat source machine. | 01-28-2010 |
20110088455 | DEVICE AND METHOD FOR HUMIDITY ESTIMATION - A humidity estimation device connected with an air-conditioner includes a charge airflow rate estimation (CARE) unit, a charge air absolute humidity estimation (CAAHE) unit, an indoor generated vapor amount estimation (IGVAE) unit, and an indoor absolute humidity estimation (IAHE) unit. The CARE unit calculates an estimated charge airflow rate (ECAR) of the air-conditioner based on operation control information of the charge fan and a preset fan differential pressure. The CAAHE unit calculates an estimated charge air absolute humidity (ECAAH) of the air-conditioner based on a charge air temperature and a preset charge air relative humidity. The IGVAE unit calculates an estimated indoor generated vapor amount (EIGVA) based on an indoor temperature, the number of persons in the room and activity index values of the persons. The IAHE unit calculates an estimated absolute humidity in the room based on the ECAR, the ECAAH and the EIGVA. | 04-21-2011 |
20110270459 | POWER CONSUMPTION MANAGEMENT SYSTEM, AND POWER CONSUMPTION MANAGER, POWER CONSUMPTION MANAGEMENT METHOD, POWER SUPPLY MANAGER, AND POWER SUPPLY MANAGEMENT METHOD, WHICH ARE USED FOR THE POWER CONSUMPTION MANAGEMENT SYSTEM - According to one embodiment, a power consumption management system includes power consumption managers and a power supply manager. Each of the power consumption managers creates changeable power amount information with respect a planned value of power consumption for each predetermined time range in a preset predetermined period in future, the planned value being related to a load of each piece of equipment in a building as a monitoring target. The power supply manager is connected to each of the power consumption managers through a network, decides a power change request amount for each building based on the created changeable power amount information, and transmits the decided power change request amount to each of the power consumption managers for the purpose of notification. | 11-03-2011 |
20110300789 | AIR CONDITIONING APPARATUS AND AIR CONDITIONING SYSTEM - An embodiment includes a first space, a second space, a first damper, a second damper, and a third damper. The first space is connected to a cold space, having cold air reside therein to send to the cold space. The second space has return air reside therein, as it is discharged from a hot space. The first damper has an opening adjusted under control of a controller to take in outdoor air to the first space, and is operable to have an open state in an emergency with a server being supplied with power. The second damper has an opening adjusted under control of the controller to discharge return air in the second space, outside thereof, and is operable to have an open state in the emergency. The third damper has an opening adjusted under control of the controller to recirculate return air in the second space to the first space. | 12-08-2011 |
20110306287 | AIR CONDITIONING SYSTEM - Some embodiment includes an air conditioner, an air blower, a sensor, and a controller. The air conditioner works for supply to cold spaces. The air blower produces streams of air in and between a server room and an air conditioning system. The sensor takes a measure of current or power as consumption at servers. The controller operates on the measure at the sensor, to control the air blower. | 12-15-2011 |
20110306288 | AIR CONDITIONING SYSTEM AND METHOD FOR MANAGING SERVER ROOM - According one embodiment, an air-conditioning system is connected to a server room, in which server racks accommodating a plurality of servers are placed between separated first and second spaces, by a return air duct and a supply air duct. In the server room, an airflow is formed so that cold air flown from under the floor into the first space is heated by heat generation of the servers and is flown out from the second space as return air. The system sets control contents for generating supply air within a previously determined supply air temperature target range and a previously determined supply air humidity target range and controls the operation of each device in the system based on the set control contents. | 12-15-2011 |
20120019168 | ILLUMINATION CONTROL SYSTEM AND METHOD FOR CONTROLLING ILLUMINATION - According to one embodiment, an illumination control system includes a motion sensor and a central management server. The motion sensor acquires position information and action information of a person. The central management server holds holding position information of an illumination unit and necessary light amount information for action information of the person, acquires a necessary amount of light corresponding to the action information of the person based on the necessary light amount information, calculates a brightness control amount based on the position information of the illumination unit, and controls the illumination unit using the brightness control amount. | 01-26-2012 |
20120164930 | SERVER ROOM MANAGING AIR CONDITIONING SYSTEM AND AIR CONDITIONING CONTROL METHOD - In an embodiment, an air conditioning system for managing a server room, which has first and second spaces separated from each other, in which a server is installed between the first and second spaces, and supply air flowed into the first space is heated by heat generation of the server, and flows out as return air via the second space, includes: a cold air generation device; an air supply fan; a first differential pressure gauge; and a control device. The cold air generation device generates supply air satisfying a predetermined condition. The air supply fan flows the generated supply air into the first space. The first differential pressure gauge measures a differential pressure of a static pressure of the second space with respect to a static pressure of the first space. | 06-28-2012 |
20120179596 | POWER RESERVE MARGIN TRADING SYSTEM AND POWER RESERVE MARGIN TRADING METHOD - A power reserve margin trading system according to one embodiment includes a reserve margin trading unit, a determination unit, and a trading consideration distribution unit. The reserve margin trading unit acquires a power reducible amount of a customer, trades the reducible amount as a reserve margin for demand adjustment, and acquires a consideration. The determination unit determines a rank of each customer by giving a higher rank to a customer having a smaller difference between a predicted power demand amount and a power consumption amount. The trading consideration distribution unit distributes a consideration to customers so that a portion of the consideration to be distributed varies depending on whether or not the power reduction request is transmitted. | 07-12-2012 |
20120208100 | ELECTRICAL POWER STORAGE SYSTEM USING HYDROGEN AND METHOD FOR STORING ELECTRICAL POWER USING HYDROGEN - In one embodiment, an electrical power storage system using hydrogen includes a power generation unit generating power using hydrogen and oxidant gas and an electrolysis unit electrolyzing steam. The electrical power storage system includes a hydrogen storage unit storing hydrogen generated by the electrolysis and supplying the hydrogen to the power generation unit during power generation, a high-temperature heat storage unit storing high temperature heat generated accompanying the power generation and supplying the heat to the electrolysis unit during the electrolysis, and a low-temperature heat storage unit storing low-temperature heat, which is exchanged in the high-temperature heat storage unit and generating with this heat the steam supplied to the electrolysis unit. | 08-16-2012 |
20120234527 | SERVER ROOM MANAGING AIR CONDITIONING SYSTEM - In accordance with embodiments, a server room managing air conditioning system includes: a first coil; a second coil; and an air supply fan. The first coil adjusts returned air of a server room to a predetermined temperature value lower than a supplied air temperature target value and dehumidifies the returned air. The second coil adjusts the returned air of the server room to a predetermined temperature value higher than the supplied air temperature target value so that the supplied air temperature target value and a supplied air humidity target value can be achieved when the returned air is mixed with air adjusted by the first coil. The air supply fan mixes the returned air and supplies the mixed returned air as the supplied air to the server room. | 09-20-2012 |
20120239213 | ENERGY DEMAND PREDICTION APPARATUS AND METHOD - An energy demand prediction apparatus according to an embodiment includes an image analysis unit and a prediction unit. The image analysis unit generates analysis data including at least one of human information and environment information of a prediction target area based on image data acquired by an image sensor. The prediction unit generates prediction data by executing an energy demand prediction based on the analysis data and an energy demand prediction model generated using previous data corresponding to the analysis data. | 09-20-2012 |
20130344411 | ELECTRICAL POWER STORAGE SYSTEM USING HYDROGEN AND METHOD FOR STORING ELECTRICAL POWER USING HYDROGEN - In one embodiment, an electrical power storage system using hydrogen includes a power generation unit generating power using hydrogen and oxidant gas and an electrolysis unit electrolyzing steam. The electrical power storage system includes a hydrogen storage unit storing hydrogen generated by the electrolysis and supplying the hydrogen to the power generation unit during power generation, a high-temperature heat storage unit storing high temperature heat generated accompanying the power generation and supplying the heat to the electrolysis unit during the electrolysis, and a low-temperature heat storage unit storing low-temperature heat, which is exchanged in the high-temperature heat storage unit and generating with this heat the steam supplied to the electrolysis unit. | 12-26-2013 |
20140094980 | ELECTRIC/THERMAL ENERGY STORAGE SCHEDULE OPTIMIZING DEVICE, OPTIMIZING METHOD AND OPTIMIZING PROGRAM - A device includes a setting unit setting a control target value for setting an activation, an operation, and a deactivation at a next day for control-target devices including an energy supplying device, an energy consuming device consuming energy, and an energy storage device storing energy, a predicting unit that sets a predicted value of the consumed energy of the energy consuming device at the next day based on a comparison between the control setting value set by the setting unit and a past control setting value, a start-stop optimizing unit that creates a start-stop schedule obtained by optimizing the start-stop schedule of the control-target device at the next day by an evaluation index, and a status-quantity optimizing unit that creates an electric/thermal energy storing schedule obtained by optimizing the status quantity of the control-target device to be activated by a predetermined evaluation index. | 04-03-2014 |
20140100805 | STATUS ESTIMATION APPARATUS, STATUS ESTIMATION METHOD - According to an embodiment, a status estimation apparatus includes detector, calculator, estimator and specifying unit. Detector detects a status change of any of electrical devices based on measurement data of a current flowing in a distribution line supplies power to the devices. Calculator calculates a current waveform change and a power change associated with the status change based on the measurement data. Estimator estimates a candidate originating from the status change based on the current waveform change. Specifying unit specifies a device caused the status change and a type of the status change based on the power change and an estimation result of the candidate. | 04-10-2014 |