35results about How to "Reduce overall power consumption" patented technology

The invention provides a non-contact measuring system and method for drainage pipeline fluid flow. The measuring method comprises the steps that the surface flow rate of fluid is calculated according to the frequency of a transmitting wave and the frequency of radar echo with the combination of the angle of the jet liquid surface of the fluid; the liquid level of the fluid is calculated according to the sending and receiving time interval of ultrasonic pulses; the average flow rate of fluid inside the drainage pipeline is calculated according to the surface flow rate and the liquid level; the flow passage area of the fluid is calculated according to the liquid level and the radius of the pipeline; the instantaneous flow rate of the fluid is calculated according to the average flow rate and the flow passage area. Compared with the prior art, by the adoption of the non-contact measuring method, the surface flow rate and liquid level of the fluid inside the pipeline are measured, and then the instantaneous flow of the fluid is worked out. Due to the non-contact measurement, the problem of sludge sedimentation is avoided, and no periodic cleaning is needed. In addition, the measuring device is small in occupied space, low in total power consumption and convenient to install.

The invention provides a device, a method and a computer for managing the power supply circuit of memory equipment; wherein, the device is used for managing the power supply for a backup disk in an independent redundant disk array in the computer and comprises a main control unit, a communication interface, a control circuit and a power control circuit; the main control unit is used for generating and transmitting a control command according to the preset control strategy, disk array configuration information and the alarm message from a disk array controller, the communication interface is connected with the main control unit and is used for receiving the control command, the control circuit is connected with the communication interface and is used for conveying the control command, and the power control circuit is connected with the control circuit and is used for regulating the power supply state of the backup disk in the independent redundant disk array according to the control command. The technology provided in the invention is used for carrying out effective control on the power-down and power-on of a hot backup disk which is taken as the backup disk, thereby remarkably reducing the power consumption of the hot backup disk in the idle state while realizing the protection of data, thus effectively lowering the total power consumption of the system.

The invention provides a power consumption management method and apparatus, and an electronic device, relates to the technical field of power consumption control, and solves the problem of relativelyhigh system power consumption or low stability of power consumption control in the prior art. The power consumption management method comprises the steps of obtaining states of threads in a process running in a current system; according to the states of the threads in the process running in the current system, judging current load states of a CPU and a GPU; and according to the current load statesof the CPU and the GPU, performing dynamic adjustment on the frequencies of the CPU and / or the GPU. The power consumption management method and apparatus is suitable for control of the system power consumption in the electronic device.

The invention discloses an insulated gate bipolar transistor (IGBT) with deep energy level impurity implantation and belongs to the technical field of semiconductor power devices. Deep energy level N-type impurities are implanted into an N-drift region (8) on the basis of the traditional Planar FS-IGBT. According to the characteristic that the ionization degree of the deep energy level impurities is raised and the impurity concentration is raised along with the temperature increase, the parasitic PNP transistor alpha PNP of the IGBT can be effectively reduced, so that the high-temperature leakage current of the IGBT is reduced, and the overall loss of the IGBT is reduced further; and moreover, the electron concentration increased in the N-drift region (8) and holes in the drift region are accelerated and compounded, and the deep energy level impurity self is a deathnium, the electron hole recombination is accelerated, the turnoff process of the IGBT is reduced, the turnoff characteristics are effectively improved, and the reliability of the IGBT is improved.

The invention belongs to the technical field of solar energy and provides an integrated on-chip solar cell power supply system. The purposes are to improve the overall efficiency of an on-chip power supply system, and provide lasting and stable energy supplies for micro power consumption systems such as radio frequency identification and wireless sensor network nodes. According to the technical scheme, the integrated on-chip solar cell power supply system comprises a set of solar cell units, an energy collecting module, a control circuit and a linear stabilizer, wherein the solar cell units are connected in parallel by the adoption of a metal interconnection technology, the energy collecting module comprises a ring oscillator, charge pumps connected in series in a multi-stage mode and an energy storage capacitor, and the linear stabilizer comprises a starting circuit, a band-gap reference and an operational amplifier and is used for providing stable working voltage VDD for a load circuit. The integrated on-chip solar cell power supply system is mainly applied to designing and manufacturing solar cells.

The invention discloses an LED (light emitting diode) lamp tube with a replaceable electronic fluorescent lamp tube. The LED lamp tube comprises a tube body, wherein the tube body is provided with a first end and a second end, the first end is provided with a first lamp pin and a second lamp pin, the second end is provided with a third lamp pin and a fourth lamp pin, an LED luminous module and a power supply driving module are arranged in the tube body, the power supply driving module comprises a first input end, a second input end, a first output end and a second output end, the first output end and the second output end are respectively connected with positive and negative electrodes of the LED luminous module, the first lamp pin and the second lamp pin are respectively connected with the first input end through a first NTC (negative temperature coefficient) thermistor and a second NTC thermistor, and the third lamp pin and the fourth lamp pin are respectively connected with the second input end through a third NTC thermistor and a fourth NTC thermistor. The LED lamp tube has the advantages that the NTC thermistors are used for replacing lamp filaments of a traditional fluorescent lamp, so that an electronic ballast with the lamp filament protection function can normally work, and as the resistance value of the NTC thermistors is reduced along with the temperature rise, the generated power consumption is also correspondingly reduced, and the integral power consumption of the LED lamp tube is finally reduced.

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system witha technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A Processing Element (PE) implemented in an accelerator in a convolutional neural network, which includes a first buffer configured to transfer input data to one other PE, and a second buffer configured to transmit to an outside output data that is processed on the basisof the input data; and an operation unit configured to generate output data.

The invention provides a bus control method. According to the method, an enable signal is transmitted between slave devices and a master device on the basis of a signal transmission lines independent of a transmission task signal bus, and the operation states of the slave devices are adjusted through combination of the enable signal and the current operation states of the slave devices so that the slave devices keep working or perform state switching. Since the independent signal transmission lines are arranged between the master device and the slave devices, the enable signal can be directly transmitted to a target slave device, and the target slave device does not need to monitor the signaling transmission on the bus in real time, but only needs to make a judgment according to the received enable signal and the self-operating state and then gives a response. Therefore, the slave devices, which do not need to respond the enable signal, can neglect or do not respond the enable signal according to the self-operating states so as avoid useless monitoring; therefore, the power consumption of the slave devices is reduced and the overall power consumption of a bus system comprising the master device and the slave devices is reduced.

The invention discloses a high-efficiency and high-fidelity envelope modulator comprising a linear amplification stage (1), a current sensing unit (2), a hysteresis comparator (3), a counter direct connection buffer stage (4) and a switch amplification stage (5), which are connected in sequence, wherein the linear amplification stage is used as an independent voltage source to amplify an envelopesignal via a feedback network and meanwhile compensates the ripple current of the switch amplification stage, the current sensing unit is used for detecting the output current of the linear amplification stage, generating a voltage drop on a current sensing resistor, and comparing the voltage drop with the hysteresis voltage of the hysteresis comparator to change the working state of the switch amplification stage, the counter direct connection buffer stage is used for enhancing the driving ability of the input signal of the switch amplification stage, so that the output signal of the hysteresis comparator can drive the switching tube with a large size; and the switch amplification stage is used as a controlled current source to provide the most current for the load. High-precision envelope tracking is achieved, and compared with the traditional envelope modulator structure, higher efficiency and fidelity are achieved.

The application discloses a touch scanning method of a touch screen. The touch screen includes a plurality of self-capacitance electrodes distributed in an array. Each self-capacitance electrode is electrically connected with at least one touch control signal wire. Touch scanning includes a plurality of touch control scanning cycles. Each touch control scanning cycle includes at least a first touch control stage and a second touch control stage. The scanning method includes: in the first touch control stage, carrying out touch control detection on the at most half self-capacitance electrodes through the touch control signal wires, and acquiring the self-capacitance electrode with the greatest capacitance variation, wherein the self-capacitance electrode with the greatest capacitance variation is a first self-capacitance electrode; and in the second touch control stage, carrying out touch control detection on the first self-capacitance electrode and a plurality of the self-capacitance electrodes around the first self-capacitance electrode through the touch control signal wires. Therefore, the number of the detected self-capacitance electrodes is greatly reduced in a process of detecting the self-capacitance electrodes, so that reducing power consumption of the touch screen in a touch control process is facilitated, and then reducing whole power consumption of the touch screen is facilitated.

Disclosed is a pixel array structure, a preparing method thereof, and a display panel. The pixel array structure comprises m scanning lines, n USB cables, wherein multiple sub-pixels are formed through reciprocal overlapping restriction by the m scanning lines and the n USB cables, and are arranged into multiple lines and multiple rows in a matrix mode; among the sub-pixels in every adjacent two lines, the sub-pixels which are in one of the two lines and are located between adjacent USB cable Dx and USB cable D (x+1)are connected with USB cable D (x+2), and the sub-pixels which are in the other line and are located between adjacent USB cable Dx and USB cable D(x+1) are connected with USB cable D(x-1); besides, m, n, and x are all positive integers, and 2<=x<=(n-2). By ingeniously arranging connection relations among the sub-pixels and the USB cables, the display panel can realize a displaying effect of dot inversions through a driving mode of column inversions; meanwhile, every USB cable is merely connected with the sub-pixel of the same color, and displaying of a pure color picture only needs the starting of one third of the USB cables, thus the display panel can be more power saving when displaying the pure color picture.

The invention discloses an external capacitor short circuit detection circuit for a battery protection chip, which comprises a grounded capacitor C0, a comparator A0 with the positive electrode connected with the other end of the capacitor C0, reference voltage VREF with the negative electrode grounded and the positive electrode connected with the negative electrode of the comparator A0, a switchK2 with one end connected with the output end of the comparator A0 and grounded, a K1 with one end connected with the switch K2 and the other end connected with an external current source, a switch S1connected with the external current source, a pull-up resistor R1 with one end connected with the switch S1 and the other end connected with the capacitor C0, a switch S0 connected with the pull-up resistor R1 and a pull-down resistor R0 with one end grounded and the other end connected with the switch S0. By using the above circuit, before the battery protection chip triggers related protectiondetection, through detection on existence of the capacitor, the battery is ensured to work in an absolutely safe environment, no static power consumption is introduced when the battery is in a normalenvironment, the whole power consumption of the battery protection chip is reduced, and the use value and the promotion value are thus high.

The invention relates to the field of single-chip microcomputer control, and particularly to a low-power-consumption single-chip microcomputer type power supply management control system. The low-power-consumption single-chip microcomputer type power supply management control system comprises a working part and a standby part. The working part is provided with a working power supply, a first DC / DC power supply conversion module, a single-chip microcomputer, a second DC / DC power supply conversion module, a peripheral device and a high-voltage module. The low-power-consumption single-chip microcomputer type power supply management control system has advantages of preventing standby power consumption of the power supply conversion module in the standby state of the single-chip microcomputer, greatly reducing integral power consumption of the system in the standby period, finishing a sleep waking-up task by means of a clock chip and improving system stability.

The invention discloses a piezoelectric vibration energy collecting circuit, characterized in that it comprises a piezoelectric sheet, Positive Peak Detection Module, negative peak detection module, first inductance, first energy storage capacitor, A second energy storage capacitor and load, Pin 1 of the piezoelectric patch. the positive electrode of the positive peak detection module and the negative electrode of the negative peak detection module are connected, Pin 2 of the piezoelectric patch. one end of the first inductor and the negative electrode of the first energy storage capacitor areconnected, the negative electrode of the positive peak detection module, the output terminal of the negative peak detection module and the positive electrode of the first energy storage capacitor areconnected, the output terminal of the positive peak detection module, the positive electrode of the second energy storage capacitor and one end of the load are connected, the other end of the first inductance, the positive electrode of the negative peak detection module, the negative electrode of the second energy storage capacitor and the other end of the load are all grounded; The advantage isthat there are fewer energy dissipation elements in the circuit, which greatly reduces the overall power consumption of the LC loop in the circuit, improves the quality factor of the LC loop, and thusimproves the collection efficiency of piezoelectric vibration energy in the whole circuit.

The invention discloses a control method and device for BLE equipment, and the method comprises the steps: judging whether a connection request of third-party equipment is received or not when the BLE equipment carries out an advertisement event; if the connection request is not received, controlling the BLE device to alternately perform a first dormant state and an advertisement event; if the connection request is received, controlling the BLE equipment to perform a connection event, and judging whether an update packet sent by the third-party equipment is received or not; if the update packet is not received, controlling the BLE device to alternately perform a second dormant state and a connection event; and if the update packet is received, controlling the BLE device to enter an update event, controlling the BLE device to enter a third dormant state after the update event is ended, and controlling the BLE device to enter a connection event after the third dormant state is ended. By adopting the embodiment of the invention, the overall power consumption of the BLE device can be reduced.

The invention provides a flat panel detector system and a power supply method thereof. The flat panel detector system at least comprises an X-ray sensor, a collecting drive circuit, a main CPU control processing unit, an image display unit, a battery unit, a battery charging unit, an outer input power supply and an auxiliary CPU power supply management unit; the auxiliary CPU power supply management unit is used for detecting whether or not a working power source which externally supplies power exists or not, conducting image collecting and sequential control of charge control mutual exclusion on the collecting drive circuit and the battery charging unit when the working power source which externally supplies power exists, and then adjusting the battery charging current of the battery charging unit on a battery. According to the flat panel detector system and the power supply method thereof, by adding the auxiliary CPU power supply management unit to conduct sequential control on the image collecting and battery charging, the flat panel detector can be allowed to conduct battery charging under the situation that the image collecting is not influenced, the overall power dissipation is reduced, and the requirement on clinic portable application is met.

The invention provides a low-electric-leakage bi-CPU core safe chip configuration, which realizes minimal safe physical isolation and static power consumption. The configuration employs two CPU subsystems, one of which is a low performance and low power dissipation logic gate count for processing communication interface and other non-security applications. The other CPU subsystem is a high-performance high-security CPU for providing complex and high performance cipher calculation, sensitive information processing and other high security applications. The high-performance CPU system is high in logic complexity, and a power supply is cut off by a gate control when a chip enters into a standby state to lower the integral electric leakage and power consumption of the chip.

The invention discloses a touch screen scanning method and device, a storage medium, a touch chip and a terminal. The method comprises the steps of detecting an application scene where a terminal is located; judging whether the mode of scanning the touch screen of the terminal enters a low-power-consumption mode or not according to the application scene; and if so, scanning the touch screen of theterminal in a low-power-consumption mode, wherein the low-power-consumption mode is that relative to a normal mode, the full screen of the touch screen is scanned within less than one frame time, andthe normal mode is that the full screen of the touch screen is scanned within one frame time. The technical problem that power consumption waste exists in a touch screen scanning mode in the prior art is solved.

The invention discloses an EGPRS communication method and system based on hierarchic energy consumption management. The method comprises the following steps: an EGPRS communication device controls a survey terminal to access a network to establish connection with a platform and communicate with the platform; an energy consumption management module acquires an application terminal of the current survey terminal under the control of a main controller, and performs energy consumption estimation on total procedure of the communication according to the acquired application, the length of the communication data, and the energy consumption measurement, and dynamically adjusts a work mode of the EGPRS communication device according to an estimated result; a battery power supply module detects whether the battery remaining capacity satisfies the working capacity of the EGPRS communication device under the work mode of the adjusted EGPRS communication device, if the working capacity of the EGPRScommunication device cannot be satisfied, the electric capacity warning reporting is started. Through the method and system disclosed by the invention, the energy consumption mode of the EGPRS communication module can be quickly adjusted, the whole power consumption of the system is effectively reduced, the battery use ratio is improved, and the system standby time and work time of the battery power supply are improved.

The embodiment of the invention provides a state detection method and device of a wireless earphone and the wireless earphone. An attitude sensor and an infrared sensor are arranged in the wireless earphone. The method comprises the following steps: acquiring a current attitude angle of the earphone through the attitude sensor; and triggering the infrared sensor to detect the wearing state of theearphone after determining that the earphone meets the wearing posture angle according to the current posture angle. According to the embodiment of the invention, the problem of false triggering of state switching of the wireless earphone can be effectively solved, and the overall power consumption of the wireless earphone can be reduced.

The invention discloses an intelligent equipment working mode switching method and device, intelligent equipment at least comprises a WiFi module, and the method comprises the steps: monitoring the working state of the WiFi module in the intelligent equipment; determining whether a trigger signal used for representing that the WiFi module is in a data receiving and sending state is monitored within a preset duration or not; and if the trigger signal is not monitored within the preset duration, switching the intelligent equipment to a low-power working mode, so that the WiFi module enters a dormant state. According to the scheme disclosed by the invention, the working mode of the WiFi module can be switched according to the working state of the WiFi module, so that the overall power consumption of the WiFi module in use is reduced.

The invention relates to a method for controlling MOAT-Single Chip for intelligent ball products, which is realized by the using of a single chip control circuit, wherein the single chip control circuit comprises a microprocessor; the processor is respectively connected to a OSD (optical scanning device) driving circuit, a motor driving circuit, an infrared lamp set, an external crystal oscillator and a control device interface; the microprocessor is connected to and controls a camera through the OSD driving circuit; and the microprocessor controls a motor through the motor driving circuit. By the using of the single chip control circuit, the functions, such as motion control for the intelligent high-speed ball, camera control, clock, OSD function, alarm control, intelligent video analysis and moving tracking function, and the like, are all realized by the using of the microprocessor, thereby efficiently reducing the whole power consumption of the products, increasing the system integrated level and product reliability, being convenient to check fault and repair the products, and obviously lowering the cost of products.

The invention discloses a system and method for obtaining the working voltage of a crystal oscillator, and a chip. The system comprises a time detection module which detects the dead time of the crystal oscillator; the control circuit is connected with the time detection module and the crystal oscillator; an input voltage is provided for the crystal oscillator according to the dead time detected by the time detection module; and when the dead time of the crystal oscillator is greater than or equal to the preset threshold, the steps of increasing the input voltage of the crystal oscillator anddetecting the dead time of the crystal oscillator are repeated until the dead time of the crystal oscillator is less than the preset threshold to obtain the working voltage of the crystal oscillator.According to the invention, the input voltage of the crystal oscillator is repeatedly adjusted according to the dead time of the crystal oscillator to obtain the working voltage of the crystal oscillator; proper crystal oscillator working voltage is selected through multiple iterations, and under the condition that the crystal oscillator can work normally, the overall power consumption of the circuit is effectively reduced, stable oscillation frequency is output, and the power consumption of a chip is reduced.

The invention discloses a human body health monitoring system comprising a watch and a mobile terminal; the watch body is provided with a single-chip microcomputer; the input end of the single-chip microcomputer is electrically connected with a temperature sensor, a heart rate sensor, a GPS positioning system, and a MPU sensor; the single-chip microcomputer is respectively electrically connected with a power supply chip, a WIFI module, and a SIM module; the WIFI module and the SIM module are respectively connected with the mobile terminal. The advantages are that 1, the system is simple in circuit, low in system whole power consumption, low in heating value, and can stably and continuously operate; 2, an android host is designed to display feedback information; 3, the system can store the data in a file format, and can parse the data, thus allowing medical personnel to study.

The invention discloses an integral mutual capacitance circuit applied to touch detection and a data processing method thereof. The circuit comprises a CA preposed unit, a CA unit, an integral unit and an analog-to-digital conversion unit which are arranged in sequence. The system has the advantages that the working time of the analog-to-digital converter ADC can be greatly shortened on the premise that the detection precision is guaranteed, and therefore the overall power consumption of the system is reduced. In addition, the anti-noise capability of the system is also greatly improved by a data processing mode of subtracting positive and negative edge data after integration, and the overall performance of the system is improved.

A wireless device comprises at least one antenna and a main receiver, having first automatic gain control circuitry for controlling a gain applied to signals received by means of the antenna. The wireless device further comprises an auxiliary receiver, configured to monitor a power of a periodic reference signal received by means of the antenna, and further configured to send power information to the main receiver. The main receiver is configured, on waking up, to use the power information received from the auxiliary receiver to assist in operation of the first automatic gain control circuitry.

The invention relates to the technical field of sensor design and application, and provides a low-power-consumption improved band-gap reference temperature reading circuit which comprises an analog-to-digital conversion circuit and a band-gap reference circuit which are electrically connected with each other, and the band-gap reference circuit comprises a target voltage generation circuit and an operational amplifier. The target voltage generation circuit comprises a first triode, a second triode, a third triode, a fourth triode, a first resistor, a second resistor, a third resistor and a fourth resistor. The negative input end of the operational amplifier is connected with a first node, the positive input end is connected with a second node, and the output end is connected with a fourth node; and the upper ends of the third resistor and the fourth resistor are connected with power supply voltage, and the lower ends are respectively connected with the first node and the second node. The temperature reading efficiency can be improved, and the power consumption can be reduced.

The invention provides a multi-frequency low-power-consumption oscillator and a control method, and belongs to the technical field of communication. The oscillator comprises a first oscillation modulewhich comprises a control switch, a negative resistance generation module and an inductance module, the negative resistance generation module and the inductance module form a resonance circuit, and the control switch is used for selecting a bypassed mode or a selected mode of the resonance circuit; the second oscillation module comprises an oscillation module which is the same as or equivalent tothe first oscillation module; at least one of the resonance circuit in the first oscillation module and the resonance circuit in the second oscillation module is in the selected mode; and the resonance circuit in the first oscillation module is connected with the resonance circuit in the second oscillation module to form an output circuit. The oscillator has the characteristics of multiple frequencies, low power consumption and the like.

The invention relates to ignition coil dwell control. Approaches for controlling dwell time in the ignition system of an internal combustion engine are provided. In one example, a method may include adjusting dwell based on engine operating conditions and further adjusting dwell in a manner proportional to existent spark plug conditions. By constantly assessing spark plug condition during operating of the internal combustion engine, premature wear of the spark plug may be prevented leading to an extension in the service life of spark plug and other ignition system components.

The invention relates to a method and a device for remote controlling mobile terminal. The device comprises a residual electricity obtaining unit used for building the remote network connection with the mobile terminal and obtaining the current residual electricity of the mobile terminal; a work time obtaining unit used for confirming the continuous use work time of the mobile terminal according to the current residual electricity and the dormancy / awakening set of the preset function module of the mobile terminal; a practical set obtaining unit used for confirming the practical dormancy / awakening set of the function module according to the work time; and a sending set unit used for sending the practical dormancy / awakening set instruction to the mobile terminal through the remote network connection. The user can control the function module of the mobile terminal at the awakening state or dormancy state through the carried terminal remote sending set instruction, the overall power consumption of the mobile terminal is reduced and the service life of the mobile terminal is prolonged.