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

The invention provides a constant-temperature, constant-humidity and constant-cleanliness silent indoor air system, belongs to the field of indoor intelligent adjustment, and relates to multiple techniques including indoor air pressure control, indoor air purification, an indoor central dedusting system, supercharging and compensation functions for interlayers of double windows and double doors, an outdoor haze isolating system, an indoor air internal-circulation cleaning method, air heat exchange, air heating, refrigeration, dehumidification and the like. According to the constant-temperature, constant-humidity and constant-cleanliness silent indoor air system, the pressure of fresh air is made positive through the interlayers of the double doors and the double windows, the air pressure in the interlayers of the double doors and the double windows is made higher than outdoor air pressure, and outdoor air is prevented from invading indoor air; a small primary-efficiency, medium-efficiency and high-efficiency filtering system is used for filtration, various types of automatic adjustment and control including heating, refrigerating, dehumidifying and the like are conducted on air, pollutant dust generated indoors is removed through the central dedusting system, and the constant-temperature, constant-humidity and constant-cleanliness silent indoor air system is an omnidirectional intelligent air control system.

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 relates to a remote awakening low power consumption intelligent lock. The intelligent lock system designs a remote wireless awakening trigger module and a remote wireless signal receiving module on the basis of a traditional keyless entry intelligent door lock, and a master control module is in a low power consumption state in a non-working state. A relay module is always in a working mode for monitoring a high-frequency channel, after a high-frequency awakening command sent by a key is received, the intelligent lock system is firstly awakened through a wireless awakening signal, and then the intelligent lock starts to receive an encrypted ID (identification) signal. The working way can enable the intelligent lock with a remote unlocking function to effectively prolong the service time of a battery.

The present invention relates to raw oil dewatering and desalting process, and is especially combined stationary ultrasonic wave-electric field process of dewatering and desalting various kinds of oil product. The technological scheme is that stationary ultrasonic wave field and electric field are combined for oil dewatering and desalting aim. That is, raw oil is first added with fresh water and demulsifier and mixed in static mixer or other mixer, then acted with stationary or traveling ultrasonic wave, and finally dewatered and desalted in a conventional electric desalter. The present invention is one improved and reinforced oil product dewatering and desalting process and has raised oil product adapting capacity and low water and salt content of product.

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 provides a convolution computing unit based on Winograd convolution and a neural network processor including the same. The convolution computing unit includes a multiplier, an accumulator and a first strobe, the multiplier is used for receiving an element to be multiplied by a matrix or an element to be multiplied by a matrix dot, The first strobe is configured to receive an output value from the multiplier and an element to be accumulated, and the convolution operation unit can be switched between a plurality of operating modes by controlling the first strobe to transfer the element to be accumulated or the output value of the multiplier to the accumulator. The convolution operation unit of the invention can be applied to the neural network processor to improve the calculation efficiency and reduce the running power consumption.

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 relates to a multi-flash memory parallel storage device with the network repeater function, which is characterized by comprising a packet processing engine, a solid-state storage engine, a solid-state storage network interface module, a network interface module and a PCIe interface module, wherein the solid-state storage network interface module is used for realizing the direct interface between the solid-state storage engine and the packet processing engine and further defines a conversion data structure from the media storage format to the network playing format, thereby realizing the network repeater function. Due to the device of the invention, that is a chip or an FPGA adopts the high-speed flash memory solid-state storage technology for realizing the high-speed continuous reading of streaming media data, thereby solving the continuous access speed problem and the random addressing problem of a traditional mechanical hard disk; in addition, the device, that is the chip or the FPGA further provides abundant network interfaces, which can realize the unified access of different network interfaces through different adaption modules.

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 provides a technology for preparing natural gas from a coal-gasification synthetic gas. The technology mainly comprises coal gasification, feed gas purification (CO2 is not removed), water-gas shift, methanation and CO2 removal. Sulfur-containing substances in raw gas are removed firstly; and then, through water-gas shift, H2 / 3CO in a synthetic gas is adjusted within 0.8-2.0. During the methanation process, through multistage (multilevel) methanation reaction, the synthetic gas is converted into methane. After CO2 in the product gas is removed, the concentration of methane is more than 95%. Thus, the synthetic natural gas (SNG) meets the natural gas pipeline transportation standards, and meanwhile, gathering of CO2 can also be realized. By the adoption of the technology, system energy consumption and CO2 gathering cost are greatly reduced, and economical efficiency of the coal-gasified natural gas technology is raised. Meanwhile, the gathered CO2 can be subjected to geological storage or used in CO2 gasification of coal or used to prepare food-grade CO2.

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 invention discloses a three-phase synchronization method based on a wireless mode, and the method comprises the steps that three phases of a power system receive the time tick signals and store the respective sampling point position information and system time information at the same time; the three phases respectively calculate the sampling point position difference values and the system timedifference values; any one phase transmits its sampling point position difference value and system time difference value to the remaining two phases; the remaining two phases carry out the sampling point position synchronization and system time synchronization according to the received sampling point position difference value. The method improves the steady and transient precision of the zero-sequence current and zero-sequence voltage after three-phase overlapping. The method greatly increases the time tick period of a gathering unit, facilitates the reduction of the operation power consumption of the system, and improves the time tick redundancy of the gathering unit and the stability of the system. The method provides a reliable guarantee for the fault recording through improving the three-phase synchronization precision and the stability of the system.

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 provides a weight storage method in a nerve network and a nerve network memory based on same; the weight storage method comprises the following steps: building an original two dimensionweight convolution kernel into a three dimensional space matrix; searching valid weights in the three dimensional space matrix and building valid weight indexes, wherein the valid weights are non-zeroweights, and the valid weight indexes are used for marking positions of the valid weights in the three dimensional space matrix; storing the valid weights and the valid weight indexes. The weight data storage method and a convolution calculating method can save the storage space and can improve the computing efficiency.

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 a calculation method and device applied to neural networks. The calculation method comprises the following steps of: obtaining a binary convolutional kernel which only comprisesa numerical value 1 and a -1 weight; decomposing the binary convolution kernel into an initial convolution kernel and a feature convolutional kernel, wherein the initial convolution kernel and the feature convolution kernel are same as the binary convolution kernel in the aspect of dimensionality, the initial convolution kernel is a matrix formed by a weight with a numerical value of 1, and the feature convolution kernel is a matrix formed by a weight with a numerical value of -1 relative to the binary convolution kernel; and carrying out convolution calculation in a neural network on the basis of the initial convolution kernel and the feature convolution kernel. By utilizing the calculation method and device provided by the invention, the convolution calculation efficiency can be improved and the storage circuit overhead can be saved.

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.

The invention discloses a dual-mode Bluetooth-based data transmission system and a dual-mode Bluetooth-based data transmission method in an underground tunnel. The method comprises the following steps: a plurality of sets of Bluetooth equipment mounted in the underground tunnel in a spacing manner broadcast in an intermittent manner under a BLE (Bluetooth Low Energy) mode; a mobile terminal in the underground tunnel searches the Bluetooth equipment under the BLE mode in an automatically intermittent scanning manner, and establishes a communication link with the searched Bluetooth equipment; the mobile terminal sends an instruction for switching to an SPP (Serial Port Profile) mode to the Bluetooth equipment establishing the communication link with the mobile terminal; the Bluetooth equipment establishing the communication link with the mobile terminal makes a response after receiving the instruction for switching to the SPP mode and shuts off the BLE mode; the mobile terminal establishes a communication link with the Bluetooth equipment under the SPP mode, transmits acquired data to be transmitted to a server through the Bluetooth equipment under the SPP mode; and the server transmits the data to a target client.