75results about How to "Solve excessive power consumption" patented technology

The invention discloses a method and device for executing an IMS service, and a terminal, relates to the technical field of communication, and can solve the problem that the terminal is abnormal in behaviour and too-high in power consumption after an SIM card is replaced due to different designs of the IMS service in an implementation process by different operators. The method disclosed by the invention comprises the following steps: the terminal obtains an operator identifier of a current terminal residence terminal, and supports the IMS service; the terminal obtains a difference configuration file corresponding to the operator identifier; the difference configuration file comprises a difference functional parameter required by the terminal for executing the IMS service through an operator network corresponding to the operator identifier; the terminal updates a default configuration file pre-stored by the terminal according to the difference configuration file, so that a configuration file of the operator network is obtained; furthermore, the configuration file of the operator network is loaded and operated; and the configuration file of the operator network comprises a configuration file of the terminal for executing the IMS service through the residence network. The method and device for executing the IMS service, and the terminal disclosed by the invention are suitable for an IMS service executing process.

The invention discloses a wearable NIRS-EEG based schizophrenia early detection evaluation system. The system comprises an NIRS-EEG bimodal cerebral function monitor device, a mobile intelligent terminal and a network server, wherein the NIRS-EEG bimodal cerebral function monitor device is used for acquiring cerebral function information of schizophrenia patients or healthy persons in real time by adopting NIRS and EEG technologies, and transmitting the cerebral function information to the mobile intelligent terminal through bluetooth signals; the mobile intelligent terminal is used for uploading data to the network server for data processing via mobile internet; and the network server is used for saving the processed data, generating a corresponding diagnosis result, and feeding back to the mobile intelligent terminal for data waveform display. The system has the advantages of accurate detection evaluation result and extremely low power consumption, and can be used for quickly and conveniently performing early detection and disease early warning for schizophrenia patients and providing scientific and reasonable guidance for nursing schizophrenia patients, so that pains and psychological burden of schizophrenia patients and family members thereof can be reduced.

The invention discloses a high-performance rectifier diode replaced circuit which comprises a capacitor, a low-voltage clock generator, a charge pump circuit, a band-gap reference circuit, a hysteresis comparator, a driving amplifier and a power metal oxide semiconductor (MOS) pipe and is characterized in that the low-voltage clock generator detects voltages at two ends of a diode pipe and generates clock signals to drive the charge pump circuit; the charge pump circuit detects the voltages at two ends of the diode pipe and stores the charges in the capacitor after the charges are amplified; the voltage stored on the capacitor and the standard voltage output by the band-gap reference circuit are respectively output to the hysteresis comparator for comparison; and when the voltage stored in the capacitor is larger than the standard voltage output by the band-gap reference circuit, the hysteresis comparator outputs starting signals which are amplified by the driving amplifier and then output to the power MOS pipe to drive the power MOS pipe to be conducted. The high-performance rectifier diode replaced circuit can achieve equivalent diode working characteristics through a pulse working mode and can totally replace original selective beacon radar (SBR) devices in performance and dimension.

The invention discloses a mobile terminal power consumption management method. State parameters of a mobile terminal are acquired after a screen of the mobile terminal is closed, whether the state parameters meet preset conditions or not is judged, and application programs operating on the mobile terminal are closed according to a predetermined strategy under the condition that the state parameters meet the preset conditions. The problem of too high power consumption caused by too high load of the mobile terminal during screen closing is solved according to the embodiment, the power consumption can be reduced by closing a part of application programs, the housing temperature of the mobile terminal can be reduced, and mobile terminal breakdown caused by overheating is avoided. In addition, the invention further provides a mobile terminal power consumption management system.

The invention discloses an ultra-high brightness LED matrix straight-downward backlight module applied to a large-scale LCD which has a size of more than 32 inchs. In an LED matrix module six LEDs are connected in series into a straight row, and LED are arranged longitudinally and transversally to form a square matrix; the length and the row number of a printed circuit board (PCB) extends all along to both sides of a screen visible area of the LCD in the arrangement and combination mode and correspondingly adjusts according to the size of the screen so that the arrangement area of an LED matrix is consistent with a display area of the LCD; LEDs the surfaces of which are welded and packaged with 5.0*5.0mm or 3.5*2.8mm three-core gold-white high-brightness overhead light are selected, color coordinate values are: X: 0.303 and Y:0.293 and a brightness value is more than 7000 mcd and is graded by 0.1V to ensure the consistency of low-brightness work; and a distance between two LEDs is 15.6-16.5mm, every six LEDs are connected in series into a straight row, and a distance between two straight rows is 15.6-16.5mm. The straight-downward ultra-high backlight module manufactured by applying an LED matrix improves the brightness higher than 1200 LUH, not only satisfies the requirement for visual brightness under outside sunshine, but also solves the problems of overlarge power and overheating, and the LED matrix has brightness with a large controllable range and is energy-saving and environment-friendly.

The invention discloses a terminal power consumption optimization device and method. The device comprises a first detection module which is used for detecting signal strength of a first network; a second detection module which is used for detecting switching times between the first network and a second network when the signal strength of the first network is less than or equal to a preset first strength threshold value; and a control module which is used for controlling a terminal to stop initiating register to the first network when the switching times between the first network and the second network is more than or equal to the preset first strength threshold value. The internet speed of the first network is faster than that of the second network. Through adoption of the embodiment of the device and the method, the problem that the terminal power consumption is overhigh due to switch among various networks under the condition that the network signal is weak can be solved.

The invention discloses a wearable multimode brain function detection device based on NIRS-EEG. The wearable multimode brain function detection device comprises an NIRS-EEG detection unit, an ultra-low power consumption control unit, a state prompt unit, a Bluetooth communication unit, a key input unit and a power supply unit; the ultra-low power consumption control unit is connected with the NIRS-EEG detection unit, the state prompt unit and the Bluetooth communication unit respectively, the ultra-low power consumption control unit conducts data instruction communication with the NIRS-EEG detection unit through SPI interfaces, the ultra-low power consumption control unit conducts data transmission communication with the Bluetooth communication unit through a UART serial port communication protocol, and the Bluetooth communication unit sends received data to a mobile terminal for subsequent processing; the key input unit is connected with the power supply unit, and the power supply unit is used for supplying power to the NIRS-EEG detection unit, the ultra-low power consumption control unit, the state prompt unit and the Bluetooth communication unit and conducting power supply protection and power management. The wearable multimode brain function detection device has good comfortability, and monitoring on occasions such as the brain cognitive function, neurological and psychiatric diseases and sleep and fatigue states can be conveniently conducted anytime and anywhere.

The invention belongs to the field of air conditioners and particularly relates to an air conditioner, an outdoor unit and a power supply communication system thereof. During normal work, detected communication signal current is converted into corresponding high level or low level to be output to an integral module through a communication detection module in the power supply communication system of the outdoor unit, voltage is output to control on-off of a switching module after processing is conducted by the integral module, a switching power module works normally after the switching module is turned on, and a current loop communication circuit of the whole air conditioner works normally; after the switching module is in the standby state, the communication detection module outputs low level continuously due to the fact that no communication signal current exists, the voltage output by the integral module is lower than the breakover voltage of the switching module, the switching module works in the cut-off state, the switching power module is controlled not to work, and the whole air conditioner is in the low-power-consumption standby state. According to the air conditioner, the outdoor unit and the power supply communication system thereof, the technical problems that according to an existing air conditioner to which power is supplied by an outdoor unit, power consumption is high when the air conditioner is in the standby state and the requirement for low energy consumption cannot be met are solved.

The invention provides an interphone working method and an interphone. The interphone working method comprises a step of detecting whether a carrier signal exists on an information channel or not when the interphone is in a power saving mode. If the carrier signal exists on the information channel, the interphone enters a normal working mode. According to the method, when the interphone is in the power saving mode, The interphone judges whether the interphone needs to activate interphone-self to enter the normal working model or not by detecting whether the carrier signal exists on the information channel or not. and only when the carrier signal exists on the information channel, the interphone enters the normal working mode. The problem of over-high power consumption caused by the fact that an interphone in the prior art is in a normal working mode all the time is solved, and usage experience of a user is enhanced.

The invention discloses a mobile device position positioning, moving distance calculation and automatic control algorithm, which comprises steps: 1, the position information of an information station to which the mobile device is accessed is collected; 2, the position information of an information station near the mobile device is collected; and 3, the relationship among the position information of the information station to which the mobile device is accessed currently, the position information of the information station to which the mobile device is accessed last time, the position information of the information station near the mobile device currently and the position information of the information station near the mobile device last time is analyzed and compared so as to position the position of the mobile device, calculate the moving distance of the mobile device or control to operate a corresponding event. Through monitoring and analyzing the position information data read by the mobile device in a certain time period to accurately position the position of the mobile device, automatically calculate the position movement and realize automatic control of the mobile device, the problem of positioning accuracy in the prior art is solved, the production cost is reduced, the power consumption is reduced, and the lasting time of the mobile device is prolonged.

The invention belongs to the technical field of air conditioner power supply control, and provides a variable-frequency air conditioner and a power supply control circuit thereof. According to the power supply control circuit, when the variable-frequency air conditioner is powered on, a controller drives a low-voltage power source control module to output low-voltage direct currents to a power factor correcting circuit and an electric load and simultaneously controls a precharging module to connect a rectifying circuit with an alternating-current power source; when the voltage of a bus capacitor rises to the work voltage, the controller controls a high-voltage power source control module to replace the precharing module to continue to connect the rectifying circuit with the alternating-current power source; when the variable-frequency air conditioner enters a standby state, the controller controls the high-voltage power source control module to disconnect connection between the rectifying circuit and the alternating-current power source, when the voltage of the bus capacitor drops to the safety voltage, the controller controls the low-voltage power source control module to stop outputting the low-voltage direct currents to the power factor correcting circuit and the electric load, and therefore power consumption of the variable-frequency air conditioner in the standby process is reduced.

The invention belongs to the field of integrated circuit design, and provides a crystal oscillator circuit and a chip. With the adoption of the crystal oscillator circuit comprising a crystal oscillator, an oscillation response unit, a bias current supply unit, an NMOS (N-channel metal oxide semiconductor) tube Mn1, a current mirroring unit and a negative feedback unit, the oscillation amplitude of the crystal oscillator can be adjusted automatically after the crystal oscillator normally starts oscillation, so that the power consumption is reduced; and simultaneously, when the crystal oscillator abnormally oscillates, the oscillation amplitude of the crystal oscillator can be adjusted adaptively, and the purpose of normal oscillation start is achieved, so that high accuracy of output frequency of the crystal oscillator is guaranteed, and problems of low accuracy of output frequency and high power consumption in the prior art are solved.

The invention provides a backup power control system, comprising a main power supply unit, a first negative feedback circuit unit, a standby power supply unit, a second negative feedback circuit unit, and a control unit. The main power supply unit is suitable for outputting a main power. The standby power supply unit is suitable for outputting a standby power. The control unit switches the first negative feedback circuit unit and the second negative feedback circuit unit to be turned on or not to be turned on in response to whether a normal power supply signal of the main power is received. When the normal power supply signal is received, the control unit enables the first negative feedback circuit unit to be turned on and enables the second negative feedback circuit unit not to be turned on. The backup power control system of the invention can effectively resolve the problem derived from oversize power consumption of a traditional diode.

The invention relates to the technical field of smart home, and discloses a cleaning robot control method and system. The method comprises the steps of respectively carrying out the global position distance obtaining, local obstacle avoidance information collection and self angle collection, building a global coordinate system, obtaining the position information of each obstacle, carrying out thepreprocessing of obstacle data, and obtaining the position information of each obstacle; representing the indoor environment map through a grid method, matching and designing the sizes of sub grids, obtaining a global total path and splitting the global total path into a continuous grid point set, establishing a local coordinate system, obtaining local obstacle position information, controlling and adjusting the advancing direction of the robot, and executing sequential traversal of the grid points according to the global total path. The cleaning robot can be controlled to carry out full-coverage sweeping, obstacles can be found in real time, the obstacle avoidance capacity is high, computing resources can be saved, the actual working interval can be traversed efficiently at low energy consumption, collision-free and low-path-repetition-rate efficient sweeping is achieved, and high practical value and wide application prospects are achieved.

The invention relates to the field of neural network algorithm hardware implementation, and discloses a quantitative calculation method and system for a convolutional neural network. The quantitativecalculation method comprises the steps of: allowing all calculation layers of a convolutional neural network to be respectively matched and quantized in a multi-valued quantification mode and a multi-bit quantification mode according to the calculation precision and calculation capability requirements, allowing the calculation layers after multi-bit quantification to be mapped to a high-precisionarray, and carrying out high-precision calculation; and mapping the calculation layers after multi-bit quantification to a high-calculation-power array, performing high-calculation-power calculation,and completing calculation of the convolutional neural network according to a high-precision calculation result and a high-calculation-power calculation result in combination with non-calculation layers. According to the invention, the reasoning speed of the convolutional neural network is increased; the accuracy is ensured; meanwhile, the network power consumption is reduced as much as possible;and high practical value and wide application prospect are achieved.

The invention discloses an SOC chip and a radio-frequency signal processing method. The SOC chip comprises a non-contact module coprocessor and a non-contact communication module; the non-contact communication module is electrically connected with the non-contact module coprocessor and comprises a primary arousing module and a clock data recovery module; the primary arousing module is electricallyconnected with the non-contact module coprocessor and used for detecting the field intensity of a radio-frequency field where the SOC chip is and sending a first arousing instruction to the non-contact module coprocessor when detecting that the field intensity is greater than a preset value; the non-contact module coprocessor is electrically connected with the clock data recovery module; the clock data recovery module is used for entering a working state according to the first arousing instruction, extracting a clock signal of an input radio-frequency signal and sending an arousing indicationsignal to the non-contact module coprocessor according to the clock signal; and the non-contact module coprocessor is further used for determining whether the SOC chip is aroused or not according tothe arousing indication signal. The power consumption of the SOC chip is reduced.

An embodiment of the invention discloses a wireless communication system synchronization method. The method comprises steps of: a mobile terminal receiving synchronization information from a base station, the synchronization information comprising time information of the base station; extracting the time information of the base station in the synchronization information; and adjusting time of themobile terminal based on the time information of the base station. The invention simultaneously discloses a wireless communication mobile terminal, a base station and a wireless communication system.Embodiments of the invention may reduce dependence of the mobile terminal on time synchronization to a GPS satellite reception system, which may prolong start period of the GPS satellite reception system, reduce start frequency, to solve problem of excessive power consumption caused by starting the GPS satellite reception system with high frequency.

The invention belongs to the field of integrated circuit design, and provides a non-capacitive low-dropout linear voltage stabilizing system and a bias current regulating circuit thereof. The non-capacitive low-dropout linear voltage stabilizing system comprises the bias current regulating circuit. The bias current regulating circuit comprises a static voltage signal generating module, a high-pass filtering module and a current regulating module. The non-capacitive low-dropout linear voltage stabilizing system and the bias current regulating circuit have the advantages that bias current of a non-capacitive low-dropout linear voltage stabilizer is adaptively regulated according to the change condition of current outputted by the non-capacitive low-dropout linear voltage stabilizer, so that purposes of dynamically regulating the bias current and reducing power consumption of the non-capacitive low-dropout linear voltage stabilizer are achieved simultaneously, an effect of increasing the transient response speed of the non-capacitive low-dropout linear voltage stabilizer is realized, and problems of excessively high power consumption and low transient response speed of an existing non-capacitive low-dropout linear voltage stabilizer are solved.

The invention relates to an equipment control method, wearable equipment and a computer readable storage medium, and the method comprises the steps: determining whether target equipment is in a screen-off state or not; and under the condition that the target equipment is in the screen-off state, controlling the target application to periodically cut off the connection with the server and maintaining the cut-off state for a preset time length. Through the method, the problem of overlarge equipment power consumption caused by continuous connection between the existing target application and theserver is solved, and the technical effects of effectively reducing the power consumption and prolonging the endurance time of the equipment are achieved.

The invention discloses a fresh air dehumidifying system for a low-temperature radiation air conditioner. The system comprises a refrigeration system, a refrigeration system controller, a radiation system capable of exchanging heat with the refrigeration system through a water circulation system, a control panel, a mater control board, a fresh air dehumidifying system and a fresh air dehumidifying system controller; the fresh air dehumidifying system comprises a frequency conversion compressor, a surface air cooler, an evaporator, a condenser and a direct-current frequency conversion draught fan, an air filter net is arranged on one side of the surface air cooler, an outlet of the water circulation system is connected with an inlet of the radiation system and an inlet of the surface air cooler, an inlet of the water circulation system is connected with an outlet of the radiation system and an outlet of the surface air cooler, an exhaust opening of the frequency conversion compressor is connected with an inlet of the condenser, an outlet of the condenser is connected with an inlet of the evaporator, an outlet of the evaporator is connected with an air inlet of the frequency conversion compressor, and the fresh air dehumidifying system controller comprises a communication module, a control module, a drive module and a sensor module. The invention further discloses a control method of the fresh air dehumidifying system for the low-temperature radiation air conditioner.

The invention discloses a terminal and a cell reselection method. The terminal comprises a first detection module, a second detection module, a resident module and a control module, and is characterized in that the first detection module is used for detecting whether the current environment is a preset environment or not when signals of a first network cell of the terminal are less than or equal to a preset first intensity threshold; the second detection module is used for detecting whether the signal intensity of a wireless fidelity WIFI network in the preset environment is greater than or equal to a preset second intensity threshold or not when the current environment is the preset environment; and the resident module is used for controlling the terminal to switch from the first network cell to a second network cell in the control module and reside in the second network cell when the signal intensity of the WIFI network is greater than or equal to the second intensity threshold.

Disclosed is a circuit for switching power supplies of an external power source and a lithium battery. The circuit comprises the external DC power source, the lithium battery, and switch paths respectively corresponding to the external DC power source and the lithium battery. In a first switch path, the external DC power source is connected with the lithium battery through a charging management chip, a first switch tube is arranged to be connected between the lithium battery and a system power supply, and the external DC power source is connected with the control pole of the first switch tube; and in a second switch path, the external DC power source is connected with the system power supply through a second switch tube and a third switch tube which are in pipe connection, at the same time, the external DC power source is connected with a fourth switch tube through a boost charge pump, the external DC power source is connected with the control pole of the fourth switch tube, and the output end of the fourth switch tube is respectively connected with the control pole of the second switch tube and the control pole of the third switch tube. According to the invention, in case that the external power source is pulled out or abnormally fails, the backup lithium battery can rapidly supply power to a system, such that the system stability and the power supply reliability can be ensured.

The invention discloses a control method and a control device for a chassis heater of an air conditioner outdoor unit and an air conditioner. The control method comprises the following steps of: calculating a difference value obtained by subtracting a preset third time length from an accumulated operation time length of a compressor of the air conditioner in a previous defrosting period; and afterthe chassis heater is closed in the previous defrosting period and the accumulated operation time length of the compressor of the air conditioner exceeds the difference value, judging whether a second outdoor environment temperature T is continuously lower than a second threshold temperature for a fourth time length or not, and if yes, starting the chassis heater, and closing the chassis heater after a fifth time length. According to the control method and the control device for the chassis heater of the air conditioner outdoor unit and the air conditioner, the chassis heater is not controlled to be closed when the outdoor environment temperature is higher than a certain temperature value, but is controlled to be closed when the outdoor environment temperature is lower than the certain temperature value; and different chassis heater starting duration times are designed in cooperation with different air conditioner operation modes, so that electric energy is saved on the premise of ensuring the deicing effect.

The invention provides a display method and a display device, and belongs to the display technical field; switch elements of memory units in a display panel of an existing display device are frequently opened / closed, thus causing large power consumption; the display method and display device can at least partially solve said problems. The display method comprises a plurality of line periods, and data voltage is written in a line of sub-pixels in each line period, wherein each memory unit connected with the same data end can receive and store the data voltage from the data end in turns in eachline period, and each memory unit only receives the data voltage for once; in at least two adjacent line periods, at least one memory unit receives the data voltage in the rear stage of the previous line period and the front stage of the following line period.

The embodiment of the invention discloses a wireless system sending signal wave chipping device, a transmitter, a base station and a wave chipping device. The wave chipping device comprises a filter coefficient division unit, a certified program generator (CPG), a buffer unit and a front half part complex multiplication operation result output unit, wherein the filter coefficient division unit is used for dividing a filter coefficient sequence into a front half part and a rear half part that are in conjugate symmetry by taking a filter coefficient at the middle point of the sequence as a symmetric point; the CPG is used for carrying out a complex multiplication operation on a peak value noise signal with the front half part and the rear half part respectively, carrying out an operation on a common multiplication operation item in an equation of the complex multiplication operation of the front half part and the rear half part, respectively applying the calculated result to perform the complex multiplication operation of the peak value noise signal and the front half part and the rear half part, and respectively obtaining the complex multiplication operation results of the front half part and the rear half part; the buffer unit is used for buffering the complex multiplication operation result of the rear half part; and the front part complex multiplication operation result output unit is used for releasing the CPG and outputting the complex multiplication operation result of the front half part after finishing processing various order coefficients of the front half part. According to the embodiment of the invention, repeated multiplication operations can be avoided, and therefore consumption of multiplier resources is saved.

The invention relates to a remote wake-up system and method based on 125 KHz wireless wake-up signals. A command and control end instruction starting module is used for sending a wake-up instruction to a 125 KHz low-frequency wireless wake-up module; according to the wake-up instruction, the 125 KHz low-frequency wireless wake-up module generates 125 KHz low-frequency wireless wake-up signals; a mixing modulation module performs carrier modulation of the 125 KHz low-frequency wireless wake-up signals; a radio-frequency sending module sends the modulated wireless wake-up signals to a remote unmanned working unit; a radio-frequency receiving module receives the wireless wake-up signals; a low-pass filtering module performs low-pass filtering of the received wireless wake-up signals; a power meter screening module performs power screening of filtered low-frequency signals, so that the 125 KHz low-frequency wireless wake-up signals are obtained; and a working module of the remote unmanned working unit wakes up the remote unmanned working unit according to the wake-up signals. By means of the remote wake-up system and method based on the 125 KHz wireless wake-up signals disclosed by the invention, the signal transmission distance is far; and furthermore, the problem that the power consumption of unattended equipment is too high can be solved.

The embodiment of the invention discloses a sliding fingerprint identification method, an array substrate, a display panel and a display device. The fingerprint identification method comprises the following steps: when a finger touches the array substrate, determining an area covered by a current finger; Dividing an area covered by the current finger into at least two sub-areas, the at least two sub-areas being arranged in sequence along a column direction of the first array structure; At least one row of that fingerprint identification unit is selected as a reference row in each of the sub-regions; starting the fingerprint identification unit located in each of the reference rows; recording a fingerprint identification signal of each of the fingerprint identification units in each of thereference rows in a time period from t1 to t2, t1 < lt; t2; Obtaining fingerprint information based on a fingerprint identification signal of each of the fingerprint identification units in each of the reference rows in a time period from t1 to t2 to reduce power consumption of the display panel.

The invention discloses a radio-frequency mobile communication card and a communication method. Before sending and receiving corresponding radio-frequency data to achieve radio-frequency communication, a radio-frequency unit detects whether resources of a processing unit are occupied first, and then the radio-frequency unit judges whether to send and receive the radio-frequency data according to detection results; and before processing communication data received by a mobile communication unit, the mobile communication unit detects whether the radio-frequency unit is in a working state, and then the mobile communication unit judges whether to process the received communication data according to detection results. The radio-frequency unit of the radio-frequency mobile communication card detects whether the processing unit is in the working state first before achieving the radio-frequency communication, the mobile communication unit detects whether the radio-frequency unit is in the working state first before processing the communication data received by the mobile communication unit to achieve the mobile communication, and therefore the situation that the radio-frequency unit and the processing unit are in the working state at the same time can be avoided, maximum power consumption of the radio-frequency mobile communication card in the process of working can be reduced, and the problem of overlarge power consumption of the radio-frequency mobile communication card in the process of working is solved.

The invention discloses a heating assembly comprising M heating wires and a liquid absorption element; the M heating wires comprise at least one first heating wire and at least one second heating wire; each first heating wire comprises a heating part and two power supply pins; each second heating wire comprises a heating part; the two ends of the heating parts of all the second heating wires are welded to the two power supply pins of the corresponding first heating wires. One power supply pin of each first heating wire is electrically connected with one positive electrode in a contact mode, the other power supply pin of each first heating wire is electrically connected with one negative electrode in a contact mode, the output voltage output to the heating assembly is U, the value of the output voltage U is smaller than 3.7 V, and M is a positive integer. The invention further discloses an atomizer and an electronic cigarette.