22results about How to "Low power operation" patented technology

The application belongs to the technical field of marine chemical analysis, and relates to an underwater in-situ mass spectrometer acquisition control system and method. The method comprises the following steps: a vacuum extraction step: the coarse extraction mode and the fine extraction mode are adaptively switched, the ion detection device is vacuum-extracted until the pressure is reduced to a preset threshold, and a required vacuum degree is maintained; a preheating preparation step: the membrane sampling device is initially sampled, and heating is performed at the same time until a preset working temperature is reached and the temperature is maintained constant; a dissolved gas formal detection step: the membrane sampling device is continuously supplied with water samples to be detected, and in-situ mass spectrum detection of dissolved gas in the water samples is completed; an instrument cabin gas discharge step: when it is detected that the underwater in-situ mass spectrometer floats to the water surface and the air pressure in the instrument cabin exceeds an upper limit threshold of gas discharge, the instrument cabin is discharged; a liquid leakage protection step: when liquid leakage occurs in the sampling cabin and the two core contacts are short-circuited, the high-pressure electromagnetic valve in the normally open state is closed to quickly block the liquid from entering the ion detection device.

This invention discloses a miniature flow sensor and an on-chip constant temperature difference control circuit for the flow sensor. The circuit includes a first resistor, a second resistor, an ambient resistor, an adjustable resistor, a micro-heater, an operational amplifier, a start-up resistor, and a start-up power supply. The ambient resistor and the micro-heater have the same temperature coefficient. One end of the first resistor is connected to one end of the second resistor and the output terminal of the operational amplifier. The other end of the first resistor is connected to one end of the start-up resistor, one end of the adjustable resistor, and the positive input terminal of the operational amplifier. The other end of the second resistor is connected to one end of the micro-heater and the negative input terminal of the operational amplifier. The other end of the start-up resistor is connected to the positive terminal of the start-up power supply. This constant temperature difference control circuit effectively maintains a constant overheating temperature of the micro-heater, thereby achieving a wide measurement range, low power consumption operation, and suppressing drift caused by ambient temperature, significantly improving the accuracy of the measurement results.

This invention relates to the field of blockchain technology and discloses a Merkle tree hardware acceleration system for blockchain data verification. The system includes a control module for coordinating and controlling various modules; an address generator for generating addresses of sibling and parent nodes in the Merkle tree based on the indices of the input leaf nodes; a storage unit for storing the leaf, internal, and root node data of the Merkle tree; a computation module for performing data concatenation, hashing, and comparison on the Merkle tree nodes based on the addresses provided by the address generator, and generating intermediate and verification results; and a buffer for temporarily storing node data read from the storage unit and intermediate results output by the computation module. This invention designs a hardware acceleration architecture tailored to the structural characteristics of Merkle trees, improving the computational efficiency of blockchain data verification, achieving low-power operation, and is suitable for the performance requirements of various blockchain application scenarios.

The utility model discloses a series power supply formula low -power consumption television receiving antenna signal amplifier circuit, including UHF signal input terminal anti -static and strong pulse circuit (1), UHF channel filter circuit (2), first -stage UHF channel amplification unit (3), second -stage UHF channel amplification unit (4). Further including amplifier UHF and VHF channel hybrid output circuit (11), VHF signal input terminal anti -static and strong pulse circuit (8), VHF channel filter circuit (9), power supply input rectifier filter circuit (6), voltage stabilizing and decoupling circuit (5), decoupling voltage division's front -stage series power supply circuit (7) and VHF amplification unit (10). Or including RF signal input channel filter circuit (13), first -stage RF channel amplification unit (14), second -stage RF amplification unit (15) and decoupling voltage division's front -stage series power supply circuit (7). The utility model discloses through series power supply mode, make the total current of amplifier equal the current of second -stage amplification unit, relative parallel type circuit saves nearly 50% power consumption, reduces the requirement to transformer power, thereby reduces the cost.

The invention relates to the technical field of power consumption adjustment of security and protection monitoring equipment, and discloses a power consumption adjustment algorithm of security and protection monitoring battery driving equipment based on weather forecast, which comprises the following steps: acquiring weather forecast data of an area where the equipment is located, analyzing the weather forecast data, and calculating the power consumption of the equipment according to weather condition information. Determining a target working mode of the equipment, controlling the equipment to operate according to the target working mode, monitoring the battery voltage of the equipment, and automatically starting the equipment when detecting that the equipment is connected to external charging input; according to the invention, by introducing the weather forecast information, the equipment can be adjusted to a working mode matched with the weather condition in advance, and the situation that high-power-consumption operation is still maintained in severe weather is avoided, so that the energy-saving effect is maximized on the premise that the monitoring reliability is not reduced; on the premise that the weather is appropriate and the charging efficiency is predicted to be guaranteed in a future period of time, the equipment is adjusted to enter an appropriate working mode, so that the working effects of images and the like reach the optimal state.

One embodiment of this specification discloses a display device comprising: a substrate including a display area and a non-display area; driving wiring extending from the display area to the non-display area; a planarization layer disposed above the driving wiring; and touch wiring disposed on the planarization layer. The planarization layer includes trenches extending in one direction, and the trenches do not overlap with the touch wirings in a plane.

The application relates to the field of packaging heat dissipation technology, and provides a three-dimensional integrated active heat dissipation structure, which comprises an upper cover plate layer, an air inlet hole is arranged on the upper cover plate layer; a fan and pump layer is arranged below the upper cover plate layer; at least one liquid cooling flow channel layer is arranged below the fan and pump layer; a high-power device layer is arranged below the at least one liquid cooling flow channel layer; at least one vapor chamber layer is arranged on at least one surface of the high-power device layer; at least one heat conduction material layer is arranged between the high-power device layer and the vapor chamber layer; and a lower cover plate layer is arranged at the bottom of the whole structure. The structure can be combined by selecting and matching the air cooling layer, the single and double liquid cooling layers and the vapor chamber layer according to different high, medium and low power devices, and three-dimensional integration and synergic coupling of the air cooling, liquid cooling and solid heat conduction structure are achieved, so that three-dimensional heat management is realized.

The present disclosure provides a display device including a substrate, a reflective electrode disposed on the substrate, a light emitting element disposed on the reflective electrode, a planarization layer disposed to cover the reflective electrode and the light emitting element, and including a trench, and a second connection electrode disposed on the planarization layer and the light emitting element, wherein the second connection electrode is contiguous with the reflective electrode in the trench. Accordingly, the reflective electrode and the second connection electrode can be disposed to completely surround side surfaces and a bottom surface of the light emitting element, thereby reflecting light emitted from the light emitting element in an upward direction of the light emitting element, and improving light extraction efficiency.

Disclosed are a gamma voltage generation circuit according to an embodiment and a display device including the same. The gamma voltage generation circuit includes a first resistor string including a plurality of resistors connected in series and configured to generate a gamma reference voltage through a voltage division node between predetermined resistors among the plurality of resistors, a gamma buffer configured to output the generated gamma reference voltage, and a driving circuit configured to generate an enable signal for enabling or disabling the gamma buffer based on a voltage of an output node of the gamma buffer.

The invention discloses a double-temperature condensation heat pump system, a control method and a clothes dryer, and the system comprises a double-stage compressor with a low-pressure-stage air cylinder and a high-pressure-stage air cylinder, a flow dividing control unit, a low-temperature heating loop, a high-temperature heating loop, an unloading protection unit and a control system. A refrigerant can be distributed to different heating loops according to the proportion, so that continuous adjustable output of low-temperature, medium-temperature and high-temperature heat is achieved, a high-pressure-stage air cylinder keeps low-power-consumption operation under the low-load working condition through an unloading protection structure, the reliability and the energy efficiency level of the system are improved, and the energy efficiency is improved. According to the control method, a low-temperature mode, a high-temperature mode or a mixed mode is selected according to the target temperature, closed-loop adjustment is carried out, the temperature adjusting process is stable and continuous, the invention further discloses a clothes dryer adopting the system, appropriate temperatures can be provided in different drying stages, the drying efficiency is improved, clothes damage is reduced, and the clothes dryer is suitable for being used in different drying stages. And meanwhile, the device has the advantages of compact structure, stable operation and wide application range.

The application discloses a temperature and vibration composite sensor for online monitoring of rotating machinery applied to the field of sensors and aims to solve the problems of easy abrasion of signal transmission of existing rotating parts and fixed ends, inconvenience of installation and maintenance and low reliability of monitoring data. The temperature and vibration composite sensor comprises a rotating shaft, a bearing, a sensor assembly and a rotating connector. The top end of the bearing fixing ring is provided with the rotating connector, which comprises a protective ring, a rotating ring and a floating connecting post, and the inner wall of the protective ring is provided with a connecting ring. The sensor assembly is connected with the rotating shaft through a mounting bracket, and comprises an encapsulating shell, a temperature and vibration sensor main body and a preprocessing unit. The sensing end of the temperature and vibration sensor is attached to the rotating shaft. The mounting bracket is designed in a U-shaped buckle and pawl mode, and cooperates with a pressure sensing unit to ensure stability. Long-term contact abrasion is avoided through dynamic butt joint of the floating connecting post and the connecting ring. The preprocessing unit realizes conventional low-power monitoring and abnormal real-time response, prolongs the service life of equipment and provides efficient and intelligent support for state early warning and fault diagnosis of rotating machinery.

A gate driver according to an embodiment and a display device including the same are disclosed. The gate driver includes a plurality of signal transmission portions cascaded via carry lines configured to apply a respective carry signal as an input to the plurality of signal transmission portions, where each of the plurality of signal transmission portions includes: a first output circuit configured to output a first signal to the plurality of signal transmission portions, and a second output circuit configured to output a second signal to the plurality of signal transmission portions; a first signal transmission section configured to receive the first carry signal from the previous signal transmission section and output a second carry signal based on the first carry signal and a clock signal; a selection circuit configured to receive the second carry signal from the first output circuit and selectively output the second carry signal based on a voltage level of a selection data voltage; and a second output circuit configured to output a strobe signal based on the second carry signal selectively transmitted from the selection circuit and another clock signal.

The invention discloses a data transmission method and system between iOS equipment and external equipment. A data sending end frames original data to be transmitted to generate a data frame, and the data frame comprises a synchronization head, a length field, a data segment, a check code and an end character; according to the transmission rate and the anti-interference requirement, selecting an FSK modulation mode or an OOK modulation mode to modulate the data frame, and generating an audio signal; the data transmitting end outputs an audio signal through the USB Audio interface; the data receiving end receives an audio signal through a USB Audio interface; the received audio signal is demodulated, and a data frame is decoded; and verifying and analyzing the decoded data frame to obtain original data. By utilizing the standard and open USB Audio protocol of the iOS equipment, the MFi authentication barrier can be avoided, and low-cost, high-reliability and easy-to-develop bidirectional data transmission between the iOS equipment and the external equipment is realized.

This invention discloses an antibacterial smart sofa fabric with integrated temperature sensing and its control method, belonging to the field of temperature measurement technology. The invention includes the following: an antibacterial fabric base layer loaded with antibacterial particles, forming a double-layer structure and bonded together; a temperature sensing integrated module with a temperature sensor integrated between the fabric base layers; an intelligent control module with a microcontroller as its core, receiving data and outputting control commands; a power supply module including a battery and a wireless charging coil, featuring protection functions and low battery warnings; a human-machine interaction module with a display screen and physical buttons displaying core information; a data storage module using a storage chip to store relevant operational data; and an antibacterial enhancement and control module including atomization and airflow circulation units, automatically activating when antibacterial activity is insufficient. This invention provides stable and long-lasting antibacterial performance, maintaining a long-term antibacterial effect through a dynamic enhancement mechanism. Distributed sensing and environmental compensation design improve measurement reliability, and multimodal interaction is convenient, adapting to different usage scenarios.

The utility model discloses a kind of intelligent wearable equipment, and the photoelectric pulse wave sensor area of intelligent wearable equipment is provided with 3 light emitting units and 6 light receiving units in matrix arrangement, 3 emitting units are in linear arrangement, and 6 light receiving units are divided into two groups about the line symmetry of 3 emitting units.3 emitting units include the first light emitting unit located in the center of photoelectric pulse wave sensor area, and the second light emitting unit and the third light emitting unit symmetrically arranged about the first light emitting unit, and the first light emitting unit includes first green light LED, and the second light emitting unit and the third light emitting unit respectively contain green light LED, red light LED and infrared light LED.The utility model can improve physiological signal measurement accuracy while reducing the power consumption of intelligent wearable equipment, meet the double needs of user for accurate, long-acting health monitoring and low-energy consumption operation.

The application provides a charging management method, a charging management system and an electronic device, comprising: obtaining user charging information of a vehicle to be charged, and determining a user behavior coefficient; collecting state information of a charging environment, and determining an environment state coefficient based on the state information; obtaining safety information of a charging facility, and determining a facility safety coefficient based on the safety information; determining a charging adaptation degree of the vehicle to be charged under real-time working parameters based on the user behavior coefficient, the environment state coefficient and the real-time working parameters of the vehicle to be charged; and correcting a reference charging current based on the charging adaptation degree and the facility safety coefficient to obtain a target charging current of the vehicle to be charged. In this way, the reference charging current can be dynamically corrected by comprehensively considering user charging demand, environment state and facility safety, so that precise adaptation of a charging strategy to user individual demand and real-time health state of a battery can be realized under the premise of ensuring safety of on-site facilities and stability of a power grid.

This utility model relates to the field of IoT intelligent control technology, and in particular to a display control circuit applied to a smart cloud box device. It includes a CPU module, a WIFI / Bluetooth module, a display module, an audio codec module, an audio amplifier module, a transceiver module, a power supply module, and a step-down module. The WIFI / Bluetooth module, display module, audio codec module, audio amplifier module, transceiver module, and step-down module are all electrically connected to the CPU module. The CPU module uses an RK3399 processor chip, the display module uses a TC358772XBG display bridge chip, and the step-down module is also electrically connected to the power supply module. Through the organic combination of multiple modules, this display control circuit comprehensively solves the problem of insufficient display functionality in smart cloud boxes, improving display effect, response speed, and system compatibility.

The utility model discloses an integrated electronic badge of many communication modes, solve the technical problem of single communication mode of electronic badge in the prior art, and the use scene is limited. Including main control module, positioning module, SIM card module, bluetooth module, LoRa module and power module, main control module is connected with positioning module, SIM card module, bluetooth module, LoRa module and power module respectively, still including main antenna, GNSS antenna, bluetooth antenna and LoRa antenna, main antenna is connected with main control module through radio frequency module, GNSS antenna is connected with positioning module, bluetooth antenna is connected with bluetooth module, LoRa antenna is connected with LoRa module. The electronic badge of the present application is adapted to multiple scenes, and is suitable for office building, mine and other scene personnel management. Can be widely used in electronic badge technical field.

The invention discloses a wireless self-charging type oil gas flow sensor, and relates to the field of oil gas recovery environmental protection, the wireless self-charging type oil gas flow sensor comprises an oil gas collection cavity, the oil gas collection cavity is connected with a collection meter head, and a waist wheel and a waist wheel shaft are arranged in the oil gas collection cavity; the waist wheel shaft is linked to the acquisition meter head; the oil gas collection cavity is further provided with a semicircular magnet, a coil and a commutator. The oil gas collection cavity contains a lithium battery pack; the oil gas collecting cavity comprises a thrust bearing and a thrust bearing seat; the oil gas collecting cavity is connected with an external gas inlet and outlet; a gas inlet and a gas outlet of the oil gas collecting cavity are connected with a pipeline through threads; the acquisition meter head comprises an acquisition control panel, a shell, a wireless communication module, an antenna, a voltage stabilizing module, a battery charging and discharging protection module, a display module and a magnet; the acquisition control panel is connected with the wireless communication module, the voltage stabilizing module and the battery charging and discharging protection module; the acquisition control board comprises a single-chip microcomputer chip and a Hall chip. The battery charging and discharging protection module is connected with the voltage stabilizing module and the lithium battery pack; the antenna communication module is connected with the antenna; the voltage stabilizing module is connected with the coil; and all the modules are fixed on the shell.

The invention discloses a remote node dormant state machine control method and system based on message time sequence analysis, and relates to the field of node power consumption management control, and the method comprises the steps: obtaining an arrival timestamp and a message identifier of an inbound message, and carrying out the classified storage of the arrival timestamp and the message identifier according to service types; extracting statistical characteristics based on the adjacent arrival time interval sequence of each category of messages, constructing a message arrival probability distribution model and calculating an arrival risk degree function; carrying out weighted fusion by combining service priorities to obtain a system-level comprehensive risk degree function, and predicting that a next message arrives at an expected moment; and calculating a safety margin in combination with the current energy state of the node, and selecting a target dormant state in the multi-stage dormant state machine. Therefore, dynamic control over the sleep depth and the wake-up time is achieved, and the adaptivity and response coordination of low-power-consumption management of the far-end node are improved.

This invention provides a low-voltage, high-linearity heterojunction HEMT device based on junction field-effect modulation, comprising a substrate, a buffer layer, and a multilayer heterostructure of at least two alternating layers of barrier and channel layers. Source and drain electrodes are located on either side of the barrier layer and extend into the buffer layer. A passivation layer is formed on the upper surface of the barrier layer. A gate trench is formed in the middle region of the passivation layer, extending through the passivation layer to the upper surface of the barrier layer. The gate electrode includes multiple discrete gate pillars and a gate cap. The multiple discrete gate pillars are periodically arranged along the gate width direction, located within the gate trench, and extend through at least two alternating layers of barrier and channel layers into the buffer layer. The gate cap is located on the upper surface of the multiple discrete gate pillars, supported by the pillars, and has no contact with the passivation and barrier layers. A metal interconnect layer is electrically connected to the source and drain electrodes. This design achieves both low subthreshold swing and meets the application requirements of low power consumption and high linearity.

This invention discloses a gesture wake-up method based on micro-Doppler spectrograms and a lightweight convolutional neural network, belonging to the field of human-computer interaction technology. The method first acquires signal data using millimeter-wave radar in low-power mode, determines the target distance unit through range FFT, and then performs a short-time Fourier transform on the signal of this unit to generate a detailed micro-Doppler spectrogram. Next, this spectrogram is input into a lightweight convolutional neural network model deployed on a low-power processor for analysis. The model outputs a confidence score for a preset wake-up gesture. Finally, the main processor is only woken up when this score exceeds a preset threshold. This invention solves the problems of high power consumption and high false trigger rate in existing gesture recognition systems by extracting the dynamic "fingerprint" of the gesture and combining it with a specially trained lightweight CNN model, achieving a reliable gesture wake-up function with low power consumption and an extremely low false alarm rate.