15results about How to "Reduce operating power consumption" patented technology

The invention discloses a clock data recovery device, which is characterized in that a differential conversion module converts a serial signal into a single-bit signal, a delay module processes the single-bit signal to obtain a delay data signal, a sampling module performs sampling to obtain target sampling data, a jump edge detection module performs XOR operation on the target sampling data, and a clock data recovery module performs clock data recovery. The method comprises the following steps: obtaining current data hopping phase information, storing a mapping relation between a sampling phase and an ideal data hopping phase sequence by a storage module, determining the ideal data hopping phase sequence corresponding to the current sampling phase by a phase adjustment module, and adjusting the current data hopping phase information, a sampling phase deviation result is searched in the phase adjustment table based on the adjusted data hopping phase information, the current sampling phase is adjusted based on the search result, the optimal sampling phase is obtained, and a data clock recovery module carries out data and clock recovery on target sampling data based on the optimal sampling phase. Therefore, the clock to be recovered can be quickly locked, and the clock locking efficiency is improved.

The utility model relates to a magnetism enhanced electromagnetic valve and a pneumatic comfort system, the magnetism enhanced electromagnetic valve comprises a valve body and a valve core unit arranged in a valve cavity of the valve body, and the valve body is provided with a first air passage, a second air passage and a third air passage which are communicated with the valve cavity; a coil surrounds the outer wall of the valve body; the valve element unit comprises a ferromagnetic connecting piece and a first permanent magnet and a second permanent magnet which are arranged at the two ends of the ferromagnetic connecting piece correspondingly. The coil has a magnetic pole interface; when the valve element unit moves in the valve cavity, the first permanent magnet and the second permanent magnet are located on the two sides of the magnetic pole interface all the time respectively. According to the magnetism-enhanced electromagnetic valve, the coil drives the valve element unit to move in the valve cavity so as to regulate and control connection and disconnection of the second air channel, the first air channel and the third air channel, and in the moving process of the valve element unit, the first permanent magnet and the second permanent magnet of the valve element unit are located on the two sides of a magnetic pole interface all the time respectively. The valve element unit keeps constant force in the left-right moving process, and stable regulation and control are achieved.

The present invention relates to a micro air pressure regulating valve, comprising a housing and an air pump arranged in the housing; a sealed cavity is arranged in the housing, and the sealed cavity is provided with an air inlet and an air outlet; the air pump adopts a micro piezoelectric pump, and the air inlet of the air pump is connected to the air inlet of the sealed cavity, and the air outlet of the air pump is connected to the air outlet of the sealed cavity. The micro air pressure regulating valve is easy to use, small in size and weight, low in noise, excellent in air tightness and energy-saving due to the design of the sealed cavity and the micro piezoelectric pump.

An electrocardiogram monitoring device comprises: a lead, which contacts a user's body to detect and obtain an electrocardiogram signal, a wire, which is used to transmit the electrocardiogram signal obtained by the lead to a data processing end, and the data processing end obtains and processes the electrocardiogram signal into an electrocardiogram detection result. A collection unit is arranged at the proximal end of the wire communication connected to the lead in a manner of a parallel wire communication line, and the electrocardiogram signal is divided into a first electrocardiogram signal and a second electrocardiogram signal containing equal information in parallel. The collection unit converts the first electrocardiogram signal into a first processing signal according to an analog-to-digital conversion process based on a first sampling frequency, and the data processing end converts the second electrocardiogram signal into a second processing signal according to an analog-to-digital conversion process based on a second sampling frequency, wherein the first sampling frequency is configured to be less than the second sampling frequency, the first electrocardiogram signal and the second electrocardiogram signal are analog signals, and the first processing signal and the second processing signal are digital signals.

The invention discloses a low-power-consumption LIN frame wakeup system, which comprises a control unit and a node chip which are connected with each other, and is characterized in that the control unit is used for realizing a frame wakeup function; the node chip comprises a first layer wake-up detection unit which is used for detecting a frame header of an LIN frame to determine whether the frame header is related to the node chip or not after a frame wake-up function of the node chip is activated; and the second layer awakening detection unit is used for analyzing and detecting the current LIN frame when the current LIN frame is related to the node chip so as to determine whether the node chip is awakened to work or not. Through two-stage awakening, the working power consumption of the LIN system is greatly saved, and timely response and no frame leakage can be realized while ultra-low power consumption of the node is realized.

The C-shaped lifting appliance comprises an L-shaped lifting arm, a lifting lug, a side arm and a bearing arm, the side arm is triangular, a stepped hole a is formed in the position, close to the vertex angle, of the back face of the side arm, a plurality of stepped holes b are formed in the position, close to the bottom edge, of the back face of the side arm at intervals, the lifting arm is embedded in the stepped hole a, and the bearing arm is embedded in the stepped hole b. Locking bolts are in threaded connection with the ends, close to the suspension arm, of the suspension arm and the bearing arm; according to the utility model, the contact surface between the lifting appliance and a lifted object is increased by increasing the number of the bearing arms, the lifting stability is improved, and the lifting arms, the side arms and the bearing arms in the lifting appliance are separately designed, so that replacement and maintenance can be facilitated, the later maintenance cost can be reduced, or the number of the bearing arms can be properly adjusted according to the lifting requirement, and the working power consumption is reduced.

The invention discloses an asymmetric output circuit with doubled output swing and a working method thereof, a transimpedance amplifier receives a pulse signal and transmits the pulse signal unidirectionally, a single-ended to differential circuit is connected with a preceding stage transimpedance amplifier circuit, a single-ended signal is converted into a differential signal, and the differential signal is transmitted to the preceding stage transimpedance amplifier circuit. A direct-current voltage difference generated at the output end determines that the output buffer circuit is in an asymmetric state; the asymmetric output buffer circuit is connected with the single-ended to differential circuit and is used for receiving the differential signal and doubling the output swing; the differential pressure holding circuit is connected with the output point of the asymmetric output stage, detects the output conditions of the two points, acts on the input point of the asymmetric buffer circuit, and is used for keeping the stability of the asymmetric state; the output swing is doubled, the use efficiency of current is greatly improved, the analog receiving front-end circuit is suitable for the laser radar, the working power consumption of the analog receiving front-end circuit can be reduced, the integration and heat dissipation requirements of a laser radar system are met, and the use cost of the laser radar system is reduced.

The embodiment of the invention provides a display driving device, a display driving method and a display device.The display driving device is characterized by comprising a main control unit and a driving unit; the main control unit is configured to output display control signals to the driving unit, and the display control signals comprise control signals of a plurality of display frames; the detection module is further configured to continuously detect a display interval of the current display frame, and the display interval comprises a display active interval and a display blank interval; the detection unit is also configured to transmit a first instruction to the driving unit when detecting that the current display frame enters the display blank interval; and the driving unit is configured to output a display data signal corresponding to the display control signal to the display panel in the display active interval and close the signal receiving module and the output voltage stabilizing module after receiving the first instruction. According to the embodiment of the invention, the signal receiving module and the output voltage stabilizing module in the driving unit are closed in the display blank interval, so that the power consumption of the display driving device can be reduced.

The invention discloses a multi-channel micro-signal high-performance acquisition system and method, and relates to the field of sensor signal acquisition, specifically, the multi-channel micro-signal high-performance acquisition system comprises a plurality of sensor inputs, each sensor outputs a signal to a corresponding instrument input circuit, the instrument input circuit outputs a signal to a corresponding low-noise pre-amplifier, and the low-noise pre-amplifier outputs a signal to the corresponding low-noise pre-amplifier. The low-noise preamplifier outputs signals to the corresponding electric analog filters, connecting lines for outputting the signals of the electric analog filters are connected to the multi-channel sampling switch, the multi-channel sampling switch outputs the corresponding signals to the analog-to-digital converter A / D according to switching conditions of different lines, and the analog-to-digital converter A / D outputs data to the data recording system. The multi-channel sensor micro-signal acquisition device can meet the multi-channel sensor micro-signal acquisition requirements, is small in size, convenient to use, wide in application range, high in anti-interference capability, high in sensitivity and low in power consumption, and ensures the integrity of clock signals.

The present invention discloses a high-speed, low-leakage split-gate semi-floating-gate transistor and a preparation method thereof. A U-shaped groove is formed in the substrate of the high-speed, low-leakage split-gate semi-floating-gate transistor, a semi-floating gate and a control gate are both embedded in the U-shaped groove, a separation gate is formed above the semi-floating gate and the control gate, and the control gate and the separation gate are both made of metal. The device integration density can be effectively improved, the switching speed of the device can be increased, the leakage of the device can be reduced, the working power consumption of the device can be reduced, and the subsequent circuit design and chip integration of the device can be facilitated.

The present invention relates to the field of radar system management technology, and in particular to a resource management method and system for an airport runway anti-intrusion radar based on resource minimization, the method comprising: extracting a scanning angle according to geographic information of a runway monitoring area; obtaining the total number of beams required for a radar to scan a runway monitoring area; dividing the radar beam scanning area based on a target boundary, extracting a first scanning area and a second scanning area; constructing a power dynamic adjustment model, using the maximum transmission power in the first scanning area, and controlling the transmission power in the second scanning area with the goal of minimizing the transmission power. The purpose is to reduce the power consumption of radars in an airport runway anti-intrusion system.

This invention relates to the field of relay technology and discloses a dual-channel relay and its usage method. The dual-channel relay includes an input interface module, a power protection and voltage regulation module, a main control module, and a dual-channel solid-state output module. The input interface module receives external control signals and converts them into corresponding input signals. The power protection and voltage regulation module provides reverse connection protection for the external power supply and provides operating power to the main control module. The main control module is connected to the input interface module and is used to determine the input signals and generate control signals for controlling the dual-channel output. By employing a fully electronic solid-state switch structure and combining it with the control logic of the main control module, dual-channel output control of the first and second solid-state output branches is achieved. When the output circuit is in a conducting state, it is not necessary to maintain continuous coil energization, thereby effectively reducing the power consumption of the dual-channel relay under continuous conducting conditions.

The application discloses a bearing for a vertical shaft, comprising an outer ring and an inner ring, two rows of retainers are arranged between the outer ring and the inner ring, rolling bodies are assembled in the retainers, the retainers comprise an upper edge part, a pocket part and a lower edge part, the upper edge part is arranged along the axial direction of the outer ring, the lower edge part is arranged along the radial direction of the outer ring, the pocket part is arranged obliquely, a plurality of pockets are arranged on the pocket part, pocket beams are formed between adjacent pockets on the pocket part, a plurality of outer convex ribs are arranged obliquely on the outer circumferential wall of the retainer, a plurality of inner convex ribs are arranged obliquely on the inner circumferential wall of the retainer, and the inner convex ribs and the outer convex ribs are arranged at positions corresponding to the pocket beams. The bearing has the advantages of simple structure, effective solution to the problems of uneven distribution of lubricating grease, double-row bearing lubricating grease flow and poor sealing reliability in the prior art, and effective improvement of the operation stability and service life of the bearing.

The utility model provides an on-off control circuit for dual-power-supply equipment, and a power supply single member of the dual-power-supply equipment comprises an adapter and a battery, and comprises a first switching circuit, a third switching circuit and an adapter monitoring circuit, the first switching circuit is used for receiving an input voltage of the adapter, and the third switching circuit is used for receiving an input voltage of the battery and is connected to a power supply end of the dual-power-supply equipment; when the adapter is connected, the input channel of the battery is cut off, and the dual-power-supply equipment is powered by the adapter; when the adapter is not switched on and the battery is switched on, the input voltage of the battery is transmitted to the power supply end of the dual-power-supply equipment, the third switching circuit outputs a battery power supply detection signal to the dual-power-supply equipment, and the dual-power-supply equipment is powered by the battery; when the adapter is cut off, an interrupt signal is output to the dual-power-supply equipment; when receiving the interrupt signal, the dual-power-supply equipment obtains a battery power supply detection signal, and when it is judged that the battery is not connected according to the battery power supply detection signal, the dual-power-supply equipment sends out a protection action instruction.