450results about How to "Reduced operating power consumption" patented technology

The invention belongs to supervisory technical field for distance treatment, particularly for applying far distance patient monitor system and centralized continuously monitoring process to high-risk people of heart disease. Said system comprising portable monitor carried by patients, hospital central monitor center, doctors' far distance group consultation terminal, ambulance monitor, communication net system, etc. The monitor process is, through communication network such as mobile , local, wireless and internet communication, making hospital central monitor center and portable monitor in and out of the hospital , ambulance carrying monitor and far distance group consultation real-time connecting, exchanging and transmitting information such as real-time ECG, blood pressure, etc., patient geographical location, doctor group consultation and advice, and far distance equipment remote measurement & program controlled in each terminal, realizing continuously monitor to high-risk people of heart disease, applying central remote measurements and program control of far distance mobile terminal, prior to coming on of heat disease early period proper diagnosis given and applying real-time treatment to serious patient, etc.

The invention relates to a multi-operating mode energy-saving controlled combined type thermostatic and humidistatic air conditioning unit with a thermometal compound box body structure special for nuclear power stations. The air conditioning unit comprises a control system and a box body structure, wherein a primary-efficiency filter, a medium-efficiency filter, a surface cooler, a heater, a humidifier and a blow-off device are sequentially arranged in the box body; the front side of the primary-efficiency filter is provided with a fresh air and return air mixing section, and inlets of fresh air and return air are respectively provided with a fresh air proportioning valve and a return air proportioning valve; the control system adopts a programmable logic controller (PLC) and adopts air conditioning multi-operating mode zone control to realize the energy-saving operation of the unit; the surface cooler adopts a large temperature difference cold water heat exchanging technology and can save the investment and operation expenses of a water system; and the box body adopts a double-layer compound structure and an anti-shock device to meet the special requirements on the nuclear power stations. The invention has the characteristics of high efficiency, energy saving, good tightness, strong anti-shock capacity, safety, reliability, long service life, and the like.

The invention discloses a power battery water-cooling unit system and an intelligent temperature difference control method thereof. The power battery water-cooling unit system comprises a water cooling unit and a water cooling unit controller, wherein the water cooling unit comprises a compressor, a pressure switch, a condenser, a condensation fan, a liquid storing and drying tank, an expansion valve, a plate type exchanger, a PTC heater, a three-way valve, an inlet water temperature sensor, a power battery box, an outlet water temperature sensor, a water tank and an electronic water pump, wherein the compressor, the pressure switch, the condenser, the condensation fan, the liquid storing and drying tank, the expansion valve and the plate type exchanger are connected with each other in series. Through the power battery water-cooling unit system, the automation degree of the control of the power battery water-cooling unit is improved; the control system is capable of judging the difference between the battery average temperature and the outlet water temperature of the water cooling unit, adaptively adjusting operation rotation rate of the compressor, the electronic water pump and the condensation fan in real time through an intelligent control algorithm, indirectly controlling a battery to operate in the optimal temperature range and the optimal temperature difference range and predicting the battery temperature trend in advance through ampere-hour integral.

The invention relates to a sunflower-type solar energy generating system. In the system, a photoresistor is adopted as a light intensity induction part, an ARM7 microprocessor and a peripheral circuit thereof are taken as controllers, and the light intensity induction part and the controller are combined with a solar energy support designed into a biaxial structure, thereby realizing that a solar energy battery board faces the direction of the maximum solar illumination intensity all along so that the effective generated energy is greatly increased. After one-day tracking is completed, the system automatically restores to a state of waiting the morrow sun to rise, thereby realizing diurnal cycle operation. Moreover, the system is integrated with a liquid crystal display (LCD) screen and a storage battery charging and discharging circuit utilizing a maximum power point tracking (MPPT) technology, thereby breaking the mode that the traditional solar energy generating system comprises a plurality of independent units. Such design reduces the volume and the weight of equipment and moreover reduces the operation power consumption of the whole system.

The invention provides a weight data storage method and a convolution calculation method in a neural network. The weight data storage method comprises searching an effective weight in a weight convolution kernel matrix and obtaining an effective weight index, wherein the effective weight is a nonzero weight and the effective weight index is used for marking the position of the effective weight inthe weight convolution kernel matrix; and storing the effective weight and the effective weight index. By employing the weight data storage method and the convolution calculation method, the storage space can be saved and the calculation efficiency can be improved.

The invention discloses a power battery water chilling unit system and an intelligent control method thereof. The power battery water chilling unit system comprises a water chilling unit and a water chilling unit controller; the water chilling unit comprises a compressor, a pressure switch, a condenser, a condensation fan, a stored liquid drying tank, an expansion valve, a plate type exchanger, a PTC heater, a three-way valve, an inlet water temperature sensor, a power battery box body, an outlet water temperature sensor, a water tank and an electronic water pump. The compressor, the pressure switch, the condenser, the condensation fan, the stored liquid drying tank, the expansion valve and the platy type exchanger are connected in series. The power battery water chilling unit system not only efficiently improves the degree of automation of control of the power battery water chilling unit, but the control system also can adjust the rotating speed of the compressor, the electronic water pump and the condensation fan adaptively, can keep the power battery working in the optimal temperature range and the temperature difference range; in addition, the battery temperature trend can be known in advance through an ampere-hour integer; and as a correction factor is added, the hysteresis of temperature collection can be solved efficiently.

The invention discloses a frame rate controlling method and device and a terminal.The method includes the steps that operation information generated when a user performs operation in an application scene of an application is acquired; whether acquisition time reaches preset time or not is judged; when the acquisition time reaches the preset time, the type of the application scene is recognized according to the operation information; the frame rate of the application scene is controlled according to the type, obtained through recognition, of the application scene.Proper frame rates can be distributed to different application scenes while operation power consumption of the terminal is reduced and standby capacity is improved.

The invention discloses a portable medical monitoring system for a new arrival suffering from a major disease. The monitoring system comprises an embedded central processing module, a physiological and biochemical parameter acquiring and processing module, a human-computer interaction module, a data storing and transmitting module, a power supply management module, a battery and an alternating-current power supply adapter, wherein the functional modules are used for acquiring, processing, analyzing and displaying the physiological and biochemical parameters including body temperature, degree of blood oxygen saturation, electrocardio, heart rate, breath, blood pressure, bilirubin and acceleration of a new arrival patient concertedly and orderly in real time under the unified control of the embedded central processing module, storing and transmitting the physiological and biochemical parameters and diagnosis and treatment information of the new arrival patient, receiving and executing diagnosis and treatment commands and information of a monitoring host and the human-computer interaction module, and performing early-stage preliminary diagnosis on the major disease causing brain paralysis of the new arrival.

The invention discloses a method and device for regulating CPU frequency of a portable terminal. The method comprises the steps that operation frequency of an application program to be operated is obtained, magnitude of operation frequency of the application program to be operated and magnitude of the present frequency of a CPU are judged, if the operation frequency is smaller than or equal to the present frequency of the CPU, the present frequency of the CPU is maintained, and if the operation frequency is higher than the present frequency of the CPU, the present frequency of the CPU is regulated to the operation frequency. According to the method and device, operation power dissipation of the CPU is lowered as much as possible, power consumption of the CPU is lowered, and endurance time of a battery is prolonged.

The invention provides a control method, a control system and an air conditioner. The control method is used for controlling the air conditioner and comprises the following steps: acquiring the current working temperature of an indoor heat exchanger through a temperature detection device; judging whether the current working temperature is larger than or equal to a first preset temperature; when judging that the current working temperature is larger than or equal to the first preset temperature, setting the rotating speed of an door fan in a first rotating speed range. By the adoption of the technical scheme, the rotating speed of the indoor fan is automatically controlled according to temperature variation, the operation pressure of the system can be effectively reduced to further ensure that a compressor operates normally, therefore, on one hand, the continuous output of the heating effect of the air conditioner can be ensured, and on the other hand, the compressor is prevented from operating for a long time under a condition of exceeding an allowable working pressure, the system control flexibility, the system operation reliability and the system operation stability are improved and the service life of the compressor is prolonged.

The invention relates to a Si/Sb80Te20 nanometer compound multi-layer phase change film and a method for preparing the same. The phase change film is prepared by alternately arranging and compounding Si films and Sb80Te20 films in nanometer scale, wherein the Si films separates all layers of the Sb80Te20 films to form a multi-layer film structure. The phase change film has the advantages that: (1) the crystallization temperature of the phase change film rises with the increase of the thickness of the Si film, and when the thickness of the Si film is over 5nm, the crystallization temperature of the phase change film is basically constant; (2) the separation action of the Si films on the Sb80Te20 films improves the thermal stability of the phase change film, and the temperature area where the phase change film is crystallized is very narrow, which shows that the phase change speed is very high; and (3) the crystalline state resistance of the phase change film increases with the increase of the thickness of the Si film, which facilitates the reduction of the operational power consumption in a programming process of a PCRAM device.

The invention provides a method for adjusting the time delays of multiple broadband receiving signals. The method may solve a problem of time alignment of broadband signal baseband waveforms under to a large time-delay condition. The method is implemented by a technical scheme comprising: decomposing a time delay difference into a coarse grade and a fine grade and performing coarse-fine time delay difference adjustment on a baseband signal subjected to digital down-conversion and an AD sampling signal subjected to analog-to-digital conversion; sending a radiofrequency input signal and a radiofrequency sampling clock which are subjected to analog-to-digital conversion to a serial-parallel conversion ISerdes module to be converted into D parallel low-speed digital signals; obtaining 3*D pieces of data and D pieces of parallel data of a signal sequence by means of the delay of a fine time delay adjusting module; converting the data in to a digital signal by means of multiphase filtering summation of a multiphase down-conversion filtering extraction module; outputting a signal subjected to time delay adjustment of a first antenna, a second antenna, or an array element, decomposing the signal by a time delay decomposing module into the number of time delay periods controlling two coarse time delay adjusting modules and two fine time delay adjusting modules, adjusting the time delay difference of the broadband signals received by a compensation antenna or array element, and aligning the baseband waveforms of the multiple broadband receiving signals in a time domain.

The invention discloses a Ge/Sb type superlattice phase-change film material for a high-speed low-power phase-change memory. The material is characterized in that the material of a multilayer film structure is formed by depositing and combining Ge and Sb layers alternatively, one Ge layer and one Sb layer serve as an alternative period, and the Ge layer of the latter alternative layer is deposited on the Sb layer of the former alternative period. The Ge/Sb type superlattice phase-change film material utilizes the clamping effect of a multilayer interface in the superlattice structure, the size of the crystal grains is reduced, the crystallization time is shortened, crystallization is inhibited, the thermal stability of the material is improved, and the phase change speed is improved. The RESEST voltage of the Ge/Sb type superlattice phase-change film material is over 30% lower than that of a GE2Sb2Te5 film under the same voltage pulses, and thus, the power consumption of the Ge/Sb type superlattice phase-change film material is lower.

The invention discloses an ultra-low power consumption exercise heart rate detection wireless module, comprising a LED opto-sensor, a signal processing unit, a motion state monitoring unit, a microprocessing unit, a data memory cell, a bluetooth communication unit, and an output unit. The LED opto-sensor converts received light intensity variation to analog signals, and the signal processing unit performs preliminary noise reduction processing on the analog signals, and compensates signals which are damped through blood capillaries, and converts the signals into digital signals and transmits the signals into the microprocessing unit. The motion state monitoring unit acquires each item of motion data of a user, analyzes and determines the motion state of the user, and transmits the data to the microprocessing unit. The microprocessing unit makes heart rate detection data in different motion states more accurate through an advanced algorithm which is developed independently, cooperated with the motion state data sent by the motion state monitoring unit. The data is output through the bluetooth communication unit and the output unit, and the data is stored in the data memory cell.

The present invention relates to an embedded microprocessor-oriented method for detecting a control flow combining software and hardware. The method comprising the steps of generating a standard assembly file from a running C language program, then linking a user library and a system library function included in the assembly file to form an integration assembly file by a lexical analysis method, implementing a basic block division to the integration assembly file through a signature generating program by the lexical analysis method, analyzing the control flow relation of the basic blocks, and signing for each basic block to form a new assembly file containing the control flow detection data. Then translating the assembly file into a target file by a modified assembler, and translating the target file into a binary mapping file by a linker, at last running the binary file in the embedded microprocessor with the control flow detection function. The invention achieves an average redundant code overhead of 12%, and as compared with hardware-based control flow detection methods, achieves higher simplicity in implementation, higher capability of control flow detection characterized by a non-detectable rate of only 1.5% on average, as well as lowered power consumption during system operation.

The invention relates to the technical field of nano materials and relates to a SiO2/Sb superlattice nano phase change thin film material and a preparation method and application thereof. The material comprises a silicon dioxide thin film material and an elemental antimony thin film material. The silicon dioxide thin film material and the elemental antimony thin film material carry out nano-scale alternate superposition through magnetron sputtering. The structural general formula of the material is [SiO2(a)/Sb(b)]x, wherein a indicates the thickness (nm) of a single layer of SiO2 thin film, and a is larger than or equal to 1 and smaller than or equal to 9; b indicates the thickness (nm) of a single layer of Sb thin film, and b is larger than or equal to 1 and smaller than or equal to 8; x indicates the alternate periodicity of the single layer of SiO2 thin film and the single layer of Sb thin film, and x is any positive integer. The SiO2/Sb superlattice nano phase change thin film material has high phase change speed, good heat stability and low operation power consumption, is suitable for preparing high-speed, high-stability and low-power-consumption phase change memorizers, and has wide market prospects.

The invention relates to a low-power consumption and accurate sleep timer circuit. The low-power consumption and accurate sleep timer includes a high-frequency clock source, a low-frequency clock source, a clock state indicating circuit, a control circuit, timers, a high-frequency timing margin calculator, a low-frequency timing margin calculator, comparators and a timer result decision device. According to a low-power consumption and accurate sleep timing method, sleep timing is completed by means of automatic switching of two timers. According to the circuit of the invention, circuit structures such as the high-frequency clock source, the low-frequency clock source, the clock state indicating circuit, the control circuit, the high-frequency timing margin calculator and the low-frequency timing margin calculator are adopted; and according to the method, hardware is utilized to control the high-frequency timing margin calculator and the low-frequency timing margin calculator. With the circuit and method adopted, a detect that switching is carried out by means of a processor in the prior art can be eliminated, the resource overhead of the processor can be decreased, timing accuracy can be improved, and power consumption of a system can be decreased.

The invention relates to an air quality monitoring node based on ZigBee wireless technology. The traditional equipment has high cost and limited monitoring range. The air quality monitoring node of the invention comprises a power management module, an air quality parameter acquiring module, a microprocessor module and a ZigBee wireless communication module, wherein the power management module supplies power for the air quality parameter acquiring module, the microprocessor module and the ZigBee wireless communication module; a plurality of transducers in the air quality parameter acquiring module output signals to the microprocessor module after being converted by an I/V switching circuit; and the ZigBee wireless communication module is connected with a serial peripheral interface of the microprocessor module. The invention has the advantages of strong real-time property, multiple data types, wide covering area, strong communication capacity and high transmission speed.

The invention relates to a high-speed and low-power Ti-Ge-Sb nanocomposite phase change thin film and its preparation and application. The thin film is a Ge8Sb92 nano phase change thin film doped with a metal element Ti and has a chemical composition conforming to the chemical formula Tix(Ge8Sb92)1-x, where x is the atomic percentage of the metal Ti element and 0<x<0.3. The surface and backside of a SiO2/Si (100) substrate is cleaned firstly to remove dust particles and organic and inorganic impurities during preparation, and then the phase change thin film is prepared by means of magnetron sputtering and co-sputtering. Compared with the prior art, the invention has a faster SET operation speed, a higher crystallization temperature and crystallization activation energy, and a larger crystalline resistance, and facilitates the realization of a high-speed and low-power storage PCRAM.

The invention provides an operation control method and device, an air conditioner and a storage medium. The operation control method includes the steps that the air conditioner enters a sleep mode, and an external control signal is not received during a first period in the sleep mode, a second period of the sleep mode is entered; in the second period, the air conditioner is controlled to operate according to the target temperature change trend corresponding to the sleep mode until a third period of the sleep mode is entered; and in the third period, when the operating state is detected to meeta sleep control condition, the rotation speed of an outdoor fan is controlled to be reduced, wherein the external control signal includes a control signal transmitted to the air conditioner through awireless transmission link and/or a wired transmission link. By implementing the technical scheme, the operating noise of an outdoor unit is reduced by reducing the rotation speed of the outdoor fan,a noise generator does not need to be arranged additionally, so that increasing of the noise reduction cost is not needed, and reducing of the power consumption of the air conditioner is facilitated.