139 results about "Power consumption" patented technology

A server management apparatus for lowering migration costs during scale-in/scale-out and workload consolidation of a cluster system(s) to thereby reduce power consumption is disclosed. The apparatus manages a physical server group which renders operative a virtual server group thereon and, when putting into practice a cluster system including a plurality of virtual servers placed in the physical server group, manages the layout state of virtual servers pursuant to the load state of the virtual server group. When executing scale-in, a virtual server operating on a physical server with the minimum number of operative virtual servers is specified as a shutdown target. When executing scale-out, a workload variation is predicted to control a scale-out destination of cluster system so that load variation-resembled cluster systems gather on the same physical server. The scale-in execution timing is delayed if the predicted load variation tends to rise and accelerated if it falls.

A radio communication apparatus includes a receiving section, a power supply section and a control section. The receiving section receives a radio signal when electric power is supplied, and the radio signal has a preamble field for storing a preamble pattern. The power supply section supplies the electrical power to the receiving section and stopping the supply of the electrical power in response to a supply stop signal. The control section generates the supply stop signal when presence of the preamble pattern can not be detected from the radio signal received by the receiving section, in a state in which a frame synchronization is established.

In accordance with various aspects of the present invention, a method and circuit for reducing power consumption of a power strip is provided. In an exemplary embodiment, a power strip is configured for reducing or eliminating power during idle mode by disengaging an outlet from power input. A power strip may include two or more outlets and two or more outlet circuits, with AC power input connected to the outlets through the outlet circuit(s), which may include a current transformer, a control circuit, and a switch. The current transformer secondary winding provides an output power level signal proportional to the outlet load. If behavior of the current transformer secondary winding indicates that the outlet is drawing substantially no power from the AC power input, the switch facilitates disengaging of the current transformer primary from the outlet.

The invention provides a control method and system of a compressor electric heating band in an air conditioner, wherein the control method comprises the following steps of: detecting the air exhaust temperature of a compressor or the outdoor environment temperature of the air conditioner when the air conditioner is at the standby condition, and comparing the detection temperature value and the setting value, and controlling the starting and closing of the compressor electric heating band under the standby condition according to the compared result. The control system comprises a first sensor, a second sensor, a first control module, a comparison module and a relay, wherein the first sensor detects the outdoor environment temperature; the second sensor detects the compressor air exhaust temperature; the first control module enables the first or the second sensor to operate in the standby state of the compressor, and is respectively connected with the first sensor and the second sensor electrically; the comparison module is used for comparing the detection value and the setting of the first or the second sensor, and is electrically connected with signal output ends of the first sensor and the second sensor; and the relay controls the starting and closing of the electric heating band, an input end of the relay is electrically connected with a signal output end of the comparison module, and an output end of the relay is electrically connected with the electric heating band. According to the invention, the standby power consumption of the air conditioner can be lowered.

It is an object to provide a light-emitting element with high luminous efficiency by using a hole transporting substance with a sufficiently high T₁ level. Further, it is another object to provide a light-emitting device and an electronic appliance with low power consumption by using a hole transporting substance with a sufficiently high T₁ level. The present invention provides a light-emitting element which has a first layer containing a spiro-9,9′-bifluorene derivative in which one amino group is combined and a second layer containing a phosphorescent compound between an anode and a cathode.

The invention discloses a method for reducing power consumption of a device, a mobile terminal and a system. The method comprises the following steps of: when the mobile terminal enters a standby mode, capturing a behavior of an application program in a background of the mobile terminal and collecting power consumption data of the behavior of the application program; sending the power consumption data of the behavior of the application program to an application program power consumption analysis database stored in a cloud server for analysis and comparison; receiving and storing an application list limited to be started and fed back and pushed by the application program power consumption analysis database; and forbidding the corresponding application program, in the application list limited to be started, to be started in the background of the mobile terminal when the mobile terminal enters the standby mode. According to the method for reducing the power consumption of the device, the background applications in the system are effectively managed and the applications unnecessary to run in the background are limited, so that the purposes of reducing the power consumption of the device of the mobile terminal and prolonging the service time of the device are achieved.

A distributed solar power generation and hot water supplying system includes: a photovoltaic power generation self-service sun tracking system, an inverter, a controller, a storage battery, a heat-exchanging water tank and an electric heater provided therein, wherein a solar battery and a solar collector are mounted on the photovoltaic power generation self-service sun tracking system, an electricity output terminal of the photovoltaic power generation self-service sun tracking system is respectively connected to an inversing input terminal of an inverter and a surplus power supplying input terminal of a controller; an MCU-controlled power output terminal of the inverter is respectively connected for off-grid power consumption or grid-connected power generation, and to an inversing output terminal of the controller; a charging/discharging control output/input terminal inside the inverter is connected to an input/output terminal of the storage battery and a storage battery power supplying input terminal of the controller.

A camera shooting system disclosed by the present invention comprises a first camera shooting device, a second camera shooting device, a laser projection device and a processor. The laser projection device is used to project the structured light patterns of the invisible laser to a common field of view of the first and second camera shooting devices, the first camera shooting device is used to acquire a first visible light color image and a first invisible light image in the common field of view, and the second camera shooting device is used to acquire a visible light gray-scale image and a second invisible light image in the common field of view, and the processor is used to utilize the first visible light color image and the visible light gray-scale image to synthesize a second visible light color image and utilize the first invisible light image and the second invisible light image to calculate a depth image. According to the present invention, the high-quality color image and depth image of a target can be acquired with a smaller size and the lower power consumption.

The invention discloses an embedded type WIFI module. The embedded type WIFI module comprises a software part and a hardware part. The hardware part comprises a microcontroller chip, a WIFI chip, a program memory chip, a filter, a first crystal oscillator, a second crystal oscillator and a power switch tube, wherein the WIFI chip is connected with the microcontroller chip through data signals, the microcontroller chip is connected with the program memory chip through serial external interfaces, the WIFI chip and the microcontroller chip are connected with the power switch tube, the WIFI chip is connected with the filter and the first crystal oscillator, and the microcontroller chip is connected with the second crystal oscillator. The software part comprises a module interface management unit, an application program module, a webpage server, a miniaturized TCP/IP protocol stack, a WIFI driving module, a bottom layer hardware interface driver and a real-time operating system module, wherein the real-time operating system module is used as a framework, and the module interface management unit, the application program module, the webpage server, the miniaturized TCP/IP protocol stack, the WIFI driving module and the bottom layer hardware interface driver are integrated on the real-time operating system module. The embedded type WIFI module has the advantage of being small in size.

The invention provides an image screening method, device and terminal. The method is applied to a first terminal; when the first terminal starts an image browsing interface, and the first terminal receives at least one input image attribute parameter and extracts all images containing at least one image attribute parameter from stored images according to the at least one image attribute parameter. Thus, the terminal screens the images required by a user accurately through the image attribute parameters input by the user, the time for the terminal processing images is shortened, power consumption of the terminal is reduced, time for the user finding out the images is also shortened, and operation of the user is facilitated.

The invention provides an ultrasonic phased array detector with low power consumption and capability of real-timely transforming styles of arrays. The whole system comprises an FPGA (Field Programmable Gate Array) control module, a square MEMS (Micro-electromechanical Systems) ultrasonic sensing array, a PCI (Programmable Communications Interface) bus, a signal processing module and an array style and frequency selection module. The FPGA module comprises a pulse control unit and a beam control unit; the square MEMS ultrasonic sensing array is a square phased array with the same numbers of transverse rows and longitudinal rows which are made up of many MEMS ultrasonic sensors and have the same spacing; the array is formed by arranging a row of emission arrays and a row of receiving arrays in a crossing manner; each emission array element has an independent pulse excitation channel; each receiving array element has an independent echo receiving channel; the signal processing module is composed of amplification units and filter units, which have the same number with that of the receiving array elements; the array style and frequency selection module is composed of key arrays; the key arrays are capable of respectively representing many kinds of different array styles and different ultrasonic frequencies so as to be suitable for different detection conditions, thus a hardware structure of arrays is simplified; therefore, the ultrasonic phased array detector is applicable to detecting various robots under different special environments.

A household intelligent fire-fighting early warning and escape system comprises a data acquisition system, a data system, a rescue system, an escape system and a background monitoring system. The acquisition system comprises a ZigBee module and a one-chip microcomputer, the input end of the one-chip microcomputer is connected with a power supply module, a temperature acquisition module and a smog detection module, and the output end of the one-chip microcomputer is connected with a fire extinguishing system and an acousto-optic alarm module. The data system comprises a GPRS/GSM module, the ZigBee module and the one-chip microcomputer, the rescue system comprises an exhaust passage and a fire extinguishing device fixed together with the exhaust passage, and the escape system comprises a remote management subsystem, a ZigBee wireless positioning subsystem and an escape direction indicating subsystem. The household intelligent fire-fighting early warning and escape system of the present invention is low in speed, power consumption and cost, and high in safety based on a ZigBee technology, at the same time, timely perceives any fire condition occurring in any household region, and separately alarms a control center or carries out the corresponding linkage processing, such as starting the fire extinguishing device, making escape indication, etc., according to the alarm grades.

The present invention discloses process and apparatus for producing catalyst grade superhigh purity Sb2O3. The production process includes the following steps: spraying 0.1-0.8 MPa compressed air from the top of antimony oxide furnace to antimony liquid; electrically heating the furnace to over 1100 deg.c and the central reaction area to over 1200 deg.c, or leading the Sb2O3 fume from the hearth to one high temperature reaction chamber and heating the Sb2O3 fume fast to 1100-1600 deg.c; cooling suddenly the high temperature Sb2O3 fume inside the quickly cooling device, and collecting with cloth bag to obtain the Sb2O3 product. The present invention has low power consumption, high yield, low production cost and other advantages.

The present invention relates to an electric car which has a battery pack at a constant state of maximum power discharge and to a method of efficiently controlling a motor with due consideration for rechargeable power levels. The control method according to one embodiment of the present invention, comprises the steps of: calculating estimated power levels required, based on current power consumption levels, for providing current from the battery pack to all parts of an electric car, and the required torque according to a driver's activation of the accelerator; comparing the estimated power levels required with the maximum possible power discharge from the battery pack; and enabling maximum possible torque from the motor when the estimated power levels required exceeds the current maximum possible power discharge from the battery pack.

The invention discloses a target wireless device positioning method based on regional division. The method comprises a step 1 of dividing a square target region to obtain N*N square unit subregions, a step 2 of calculating a search curve of an air vehicle in a target region, and a step 3 of taking the center of a unit subregion nearest to the air vehicle as a starting point and positioning each target wireless device in the unit subregions in such a manner that the air vehicle orderly searches the unit subregions in the target region. The target wireless device positioning method based on regional division is characterized in that all target wireless devices can be detected in the flight process, a fine-grained map of any point is provided and the positioning accuracy is improved. Meanwhile, the air vehicle is controlled to directly fly towards the target by thoroughly utilizing the directionality of the received signals and by use of regional division based flight line algorithm; compared with the existing warflying method, the target wireless device positioning method based on regional division has the advantages that the traversing scanning of the target region according to a predetermined space filling curve is avoided, the total flight distance is reduced and the power consumption of the air vehicle is reduced.

An apparatus for controlling an operation of compressors includes a single microcomputer for calculating stroke estimate values of multiple compressors based on voltage and current values applied to the multiple compressors, and generating a plurality of switching control signals for independently controlling a voltage applied to the multiple compressors based on the calculated stroke estimate values and pre-set stroke reference values; and switching devices each installed in the multiple compressors, for independently controlling the voltage applied to the multiple compressors according to the plurality of switching control signals. Since the reciprocating compressors are controlled by a single apparatus, costs and power consumption can be reduced.

The invention provides a protection method and device for a serial bus communication network, which can be applied to a master site in a serial bus communication network topology structure. The network topology structure comprises a master site and a plurality of slave sites, wherein the master site is connected to each slave site in series to form a loop structure; each slave site is in a working mode for reception and unvarnished transmission of data; the method comprises a step that the master site changes a data sending port to form a new work data loop with a device node which is affected by a fault when receiving a fault report about the fault of the loop structure. The invention also provides a protection device adopting the method. In comparison with the existing protection device, a large amount of invalid data and repeated data in the loop can be avoided, the data processing amount of each device in the loop structure is reduced, the protection effect is optimized and the overall power consumption of the loop is reduced.

The invention relates to a space-borne microwave atmospheric sounding instrument, which comprises feed sources, calibration bodies, a motor, plane mirrors, parabolic reflectors, a scanning drive control module, multiplexers and receiver units. The motor is controlled by the scanning drive control module to drive the plane mirror to rotate. The plane mirrors reflect received electromagnetic wave signals to the parabolic reflectors in the form of plane waves by scanning the atmosphere and the calibration bodies. The parabolic reflectors realize secondary reflection to enable the plane waves to be reflected to the corresponding feed sources arranged opposite thereto. The multiplexers are used for separating the frequency of the electromagnetic wave signals received by the feed sources respectively. Each receiver unit comprises a plurality of receivers parallel with the output end of the corresponding multiplexer, and is used for receiving the electromagnetic wave signals matched with the frequency thereof. The space-borne microwave atmospheric sounding instrument has the advantages of being high in performance, high in integration, low in weight and low in power consumption.

The invention relates to a lens driving device and belongs to the technical field of micro-cameras. The lens driving device comprises a first magnetic yoke ring, an insulation sheet, a first spring piece, a gasket, a lens carrier, a coil, a group of magnets and a second spring piece, wherein the outer profile of the first magnetic yoke ring is rectangular or circular, the insulation sheet is matched with a magnetic yoke ring cavity, the first spring piece and the gasket are placed in the magnetic yoke ring cavity, the lens carrier is provided with a lens placing cavity, the lens carrier and the coil are placed in the magnetic yoke ring cavity, and the second spring piece is placed in magnetic yoke ring cavity and provided with a group of third spring wires. The lens driving device has the advantages that a good even distribution effect is showed by the magnetic lines of the magnetic field generated by the magnets, an electromagnetic induction force of the coil obtained in an effective length range is enabled to be enlarged significantly, so that good driving characteristics are reflected, power driving power consumption can be reduced, assembly efficiency can be improved, the phenomenon that foreign bodies in the cavity drop on a sensor surface of a camera from lens carrier mating holes is avoided, wherein the phenomenon is caused by impact and vibration, so that image quality is ensured, harsh requirements of a lens optical axis degree can be met, and electromagnetic radiation generated by the coil can be prevented from affecting surrounding components.

The invention relates to a resident network adjustment method and device and an electronic device. The resident network adjustment method includes: determining a current resident network of a terminal; acquiring state information of the terminal if a low power consumption network corresponding to the current resident network exists, and judging whether the terminal has application demands for packet switched domains of the current resident network according to the state information of the terminal; if not, adjusting the terminal into the low power consumption network from the current resident network. According to the technical scheme, smart resident network adjustment can be achieved; power consumption of the terminal can be reduced and use time of the terminal can be prolonged while meeting use demands of users.

The invention relates to the technology of a power source and an integrated circuit, in particular to a DC-DC converter with the output voltages capable of being adjusted quickly. The DC-DC converter comprises a driving circuit, a PMOS tube MP, an NMOS tube MN, a PWM comparator, an EA amplifier, an inductor L, a capacitor C, a resistor R and a power source Vin. The DC-DC converter is characterized in that a calculating amplifier is further included, the driving circuit, the PMOS tube MP, the NMOS tube MN, the PWM comparator, the EA amplifier, the inductor L, the capacitor C, the resistor R and the power source Vin form a traditional DC-DC converter, and the positive input end and the output end of the calculating amplifier are connected to be used as one end, connected to the capacitor C, of a bumper. The DC-DC converter has the advantages of being simple in structure, easy to achieve, low in power consumption, and capable of achieving quick adjusting of the output voltages of the DC-DC converter only by small domain area. The DC-DC converter is particularly suitable for DC-DC converters.