142results about How to "Reduce operating power consumption" patented technology

The invention discloses a wireless-network-based water gate security monitoring system, belonging to the field of security monitoring of water transport engineering. The wireless-network-based water gate security monitoring system comprises a data acquisition system, a data transmission system and a remote monitoring scheduling system, wherein the data acquisition system comprises a parameter acquisition node, a video acquisition node, a route node and a coordinator node, and the remote monitoring scheduling system comprises a database server system and a monitoring scheduling center. According to the invention, a wireless acquisition technology and a wireless transmission technology are adopted to carry out acquisition, transmission, processing, display, control and other operation on environment parameters, structural parameters and video data of a water gate, and a gate is opened and closed according to an operating instruction. According to the invention, a wireless sensor network technology, a third generation wireless communication technology and a video monitoring technology are applied to water gate management, all the operations from information acquisition, transmission and storage to information processing are carried out in digital information image forms, and thus, the efficiency and the security in water gate management are greatly increased.

The invention relates to a high-reliability high-stability-degree hollow rotating traveling wave ultrasonic motor, which belongs to the technical field of the small and special motor. The ultrasonic motor comprises an encloser, a rotor, friction material, a stator, piezoelectric ceramic, a stator seat, a bearing, a dust cover for the bearing, and a loading nut. The motor disclosed by the invention is supported by one bearing, an anti-redundancy structure is designed, and the motor rotor and the stator seat are made of stainless steel material with the coefficient of linear expansion similar to that of the bearing. The situations that the revolving speed fluctuation quantity of the ultrasonic motor is raised, and the moment output performance is lowered, and the service life of the ultrasonic motor is shortened due to a plurality of factors can be effectively improved, wherein the factors comprise that the pressure distribution of the contact interface of the stator and the rotor is uneven due to double-end bearing supporting, more mutually-cooperated sizes and big deviation of machining and assembling of the ultrasonic motor; abrasive dust generated by motor working enters the bearing; the coefficients of linear expansion of materials are in a great difference under the high temperature and low temperature working conditions; and a fit clearance is changed.

The present invention relates to a method for automatic mapping and updating of computer switching devices, wherein the computer switching device is electrically connected with a plurality of peripheral devices and computers via a USB host MCU and a plurality of USB device MCUs that are connected. For non-standard USB devices or USB standard enumeration and parsing unable to be processed by built-in firmware, the USB host MCU transfers special requirements to a computer, receive and convert feedbacks, and transmit them to external peripheral devices to perform enumeration and connection processes and store them in the USB host MCU. For special communication requirements of computers, the USB device MCU performs a reverse process, and decides to map and update automatically to connect USB peripheral devices with computers successfully, thus increasing applicability of products, prolonging their service life and reducing consumption of resources for the benefit of environmental protection.

The invention discloses a rainfall information acquiring and metering method and unit, and a rainfall meter. The rainfall meter comprises a box body, an acquiring and metering unit, a drainage pump, a drainage pipe, an input device, a display and a controller, wherein the acquiring and metering unit comprises a rainfall collector, a water inlet connection pipe, a rainfall collector and a water pumping connection pipe; a metering circuit board is arranged on the outer wall of the rainfall collector, a shift register is arranged on the metering circuit board, metering pins of the shift registerare arranged on the metering circuit board at equal intervals and extend into the rainfall collector, and signaling pins of the shift register extend into the rainfall collector and are positioned onthe bottom surface of the rainfall collector. According to the method disclosed by the invention, the signaling pins output modulation pulse electric signals, and rainfall (water) quantity and rainfall (water) rate are metered by adopting a liquid level measuring method and utilizing the characteristic of a conductive liquid through detecting electric signals received by the metering pins.

A digital baseband processor for a passive RFID (radio frequency identification) electronic tag comprises a decoder module, an instruction analysis module, a cyclic checking module, a state machine control module, a storage control module, an on-chip sensor interface module, an external sensor interface module, a power management module, an anti-collision counting module and a coder module, wherein the instruction analysis module and the cyclic checking module are connected with the decoder module, the state machine control module is connected with the instruction analysis module, the storage control module, the on-chip sensor interface module, the external sensor interface module, the power management module and the anti-collision counting module are connected with the state machine control module, and the coder module is connected with the cyclic checking module. The passive RFID electronic tag can be connected with both an external sensor and an on-chip sensor, and data interaction is performed.

The embodiment of the invention discloses a signal diversity receiving method and a diversity receiving terminal, relates to the technical field of communication and is designed for effectively reducing the working power consumption of a receiving system. The signal diversity receiving method comprises the following steps: receiving a signal and detecting a quality measurement value symbolizing the quality of the signal; comparing the quality measurement value with a preset threshold value; when the quality measurement value is larger than the preset close diversity threshold value, adopting a receiving mode with non-diversity receiving; and when the quality measurement value is smaller than the preset open diversity threshold value, adopting a receiving mode with diversity receiving. The embodiment of the invention can be used in the communication system.

The invention discloses a programmable storage unit. The programmable storage unit comprises a first switch module, a first anti-fuse module, a second switch module and a second anti-fuse module, wherein the first switch module and the first anti-fuse module are connected in parallel between a power connection end and a public output end, the second switch module and the second anti-fuse module are connected in parallel between the public output end and a protective end, the first switch module and the second switch module are used for disconnecting or connecting circuits at the two ends, and the high impedance of the first anti-fuse module and the high impedance of the second anti-fuse module are changed into low impedances after programming voltages are loaded in the first anti-fuse module and the second anti-fuse module. According to the technical scheme disclosed by the invention, the novel programmable storage unit is provided, and the technical problem in an incomplete programmable storage unit in the prior art is solved.

The invention discloses a commutation switch type three-phase load imbalance treatment device at least comprising a control part and an execution mechanism. The execution mechanism includes at least one commutation switch. The control part consists of at least one main controller; and a current sensor for detecting current information of a branch grid is also arranged. A signal output terminal of the current sensor is connected with an input terminal of the main controller electrically. And the main controller is connected to a three-phase grid. Each main controller is connected to the at least one commutation switch by wired communication or wireless communication and the commutation switch is electrically connected to the load. Each main controller detects a three-phase unbalanced current, fault information as well as a current phase, and a current load current of the commutation switch controlled by the main controller. On the basis of the unbalanced calculation strategy, calculation is carried out to obtain each switch adjustment target phase and a commutation command is issued. Therefore, large surge current occurrence caused instantaneously during load switching can be avoided; losses resulted from long-term operation of the thyristor can be avoided; and commutation can be carried out without power interruption.

The invention provides a processing method for reducing power consumption and a mobile terminal. The method includes the steps that if the mobile terminal is in a screen locking state, a sensor coprocessor is controlled to enter a dormant state; a trigger instruction sent by a touch screen coprocessor is received, the trigger instruction is sent when the data collected by a sensor connected with the touch screen coprocessor meets the preset trigger condition; and the mobile terminal is controlled to perform the corresponding function with the trigger instruction. When the mobile terminal is inthe screen locking state, compared with the sensor data processed by the sensor coprocessor with higher working power consumption, the sensor data is processed by controlling the touch screen coprocessor with lower working power, the working power consumption of the mobile terminal in the screen locking state can be efficiently reduced, and the standby time of the mobile terminal in the screen locking state is prolonged.

The invention discloses a programmable storage system. The programmable storage system comprises a programmable storage unit, a bit line controlling unit and a word line controlling unit, wherein the programmable storage unit comprises a first switch module, a first anti-fuse module, a second switch module and a second anti-fuse module; the first switch module and the first anti-fuse module are connected in parallel between a power connection end and a public output end; the second switch module and the second anti-fuse module are connected in parallel between the public output end and a protective end; the power connection end, the first switch module and the second switch module are also connected with the word line controlling unit; the protective end is also connected with the bit line controlling unit; the high impedance of the first anti-fuse module and the high impedance of the second anti-fuse module are changed into low impedances after programming voltages are loaded in the first anti-fuse module and the second anti-fuse module. According to the technical scheme disclosed by the invention, the technical problem in an incomplete programmable storage unit in the prior art is solved.

The embodiment of the invention relates to an emergency base station and a method for realizing the emergency communication. The emergency base station comprises an analog processing front end, a D/A-A/D conversion module, an interface programmable logic array FPGA, a base-band processing module, a protocol control processing module, an E1-Ethnet conversion module, a power supply and a clock module. The application of the emergency base station and the method can provide a high emergency communication bandwidth in complex environment, reduce the power consumption and prolong the working time effectively.

The invention relates to a multi-mode pump laser and an optical fiber amplifier formed by the same. The multi-mode pump laser comprises a multi-mode pump laser package module (1) and an output tail fiber (2-1), wherein the output tail fiber (2-1) is a doubly clad optical fiber, the multi-mode pump laser package module (1) comprises a pump laser package shell (1-4) and a pump laser die (1-1) built in the pump laser package shell (1-4), the output tail fiber at the outer part of the pump laser package shell (1-4) is provided with an optical fiber Bragg grating (2-2), the optical fiber amplifier comprises the multi-mode pump laser and a pump signal combiner, the output tail fiber of the multi-mode pump laser is connected with the pump end of the pump signal combiner, the signal end of the pump signal combiner adopts a common single-mode optical fiber, and both the pump end and the common end of the pump signal combiner adopt a doubly clad optical fiber. Under the same pump power, the optical fiber amplifier comprising the multi-mode pump laser and the pump signal combiner disclosed by the invention has lower noise index.

The invention discloses a low power consumption control method for a pressure-sensitive key identification device. The method is characterized in that two working modes, i.e., a normal working mode and a low power consumption working mode, are defined; two comparison thresholds, i.e., a time threshold and a trigger threshold, are set; when the duration of the absence of a trigger signal for keys is longer than the time threshold, the device enters the low power consumption working mode; and when a pressure is detected to exceed the trigger threshold, the device enters the normal working mode. The method provided by the invention has the advantages that through power consumption control of the keys in the different working statuses, the working power consumption of the key device is reduced, a higher response speed is maintained, and good use experience of users is ensured.

The invention provides a BF_TCAM (Bloom Filter-Ternary Content Addressable Memory)-based high-efficiency range matching method for realizing zero range expansion. The method is used for solving the problems of low storage utilization ratio and high power consumption of existing TCAM-based range matching methods and is mainly applied to the port range matching in packet classification, the storage access address examining in storage protection and the like. The high efficiency of the method provided by the invention is embodied in the aspects of high-efficiency storage, high-speed lookup and low power consumption. The method is characterized in that the range matching process is segmented into the two steps of prefix matching and characteristic interval comparison by utilizing a SMLCP (Segmented Match on Longest Common Prefix) algorithm to ensure that the TCAM technique is conveniently used and the storage utilization ratio of the TCAM is up to 100%; a BF_TCAM module is designed according to the SMLCP algorithm, the range is classified according to the prefix length, keywords are filtered and irrelevant items are shielded from participating in the comparison by using a bloom filter, so that the power consumption is reduced by a large margin; and the circuit critical path length is reduced by using a pipeline technique, so that the lookup operation is completed in one clock period.

The invention provides a phase change memory unit comprising a phase change material layer and a nitridation phase change material layer positioned on the surface of the phase change material layer. The invention also provides a forming method of the phase change memory unit. According to the forming method, the phase change material layer is provided, and the nitridation phase change material layer is formed on the surface of the phase change material layer. According to the technical scheme provided by the invention, the heat consumption in the work of the phase change memory unit can be reduced effectively, the work stability of the phase change memory unit is improved, the process is simple and practicable, and the cost is relatively low.

The invention discloses a horizontal-segment and elevating-segment integrated-type spiral conveyer, conveying-pipe shells at a horizontal segment and an elevating segment are welded at an intersecting part to form an integrated-type communicating structure, a material-receiving opening is arranged on the conveying-pipe shell at the horizontal segment, and an opening at the upper end of the conveying-pipe shell at the elevating segment is a discharging opening; a horizontal-part spiral vane is arranged at the center of the conveying-pipe shell at the horizontal segment, horizontal shafts are welded at both ends of the vane, and power equipment is arranged at the initial end of each horizontal shaft for driving; and an elevating-part spiral vane is arranged at the center of the conveying-pipe shell at the elevating segment, inclined shafts are welded at both ends of the vane, and the driving connection of the tail end of each horizontal shaft and the lower end of the corresponding inclined shaft is realized through a coupling. According to the invention, not only is one set of power equipment saved, the cost effectively saved, and the occupied area reduced, but also the horizontal-segment and elevating-segment integrated-type spiral conveyer is steady and reliable in operation, materials can be continuously conveyed, the working power consumption is reduced, and the horizontal-segment and elevating-segment integrated-type spiral conveyer is energy-saving and environment-friendly.

The invention discloses a working method and device for a structured light depth camera of a smart phone. An RGB camera synchronous trigger mode or an RGB camera active trigger mode is adopted; exposure time lengths, on/off sequences and the like of the RGB camera, an infrared laser coding pattern projector, an infrared floodlight source and an infrared IR camera are synchronously controlled; an RGB image is acquired through an RGB camera; the infrared IR camera acquires an infrared image or an infrared coded image; wherein the infrared coded image is subjected to depth perception decoding toobtain a depth image; according to the method and the device, the sequence and the exposure time of the projector, the floodlight source, the RGB receiving camera and the IR receiving camera can be synchronously controlled, so that the working power consumption of the structured light depth camera in the application processes of 3D selfie, face unlocking and 3D scanning reconstruction of a smart phone can be greatly reduced.

The invention discloses a power amplifier control system and a method based on automatic level control. The device mainly comprises a controllable attenuation circuit and the like. A first input end of the controllable attenuation circuit is connected with signal input, a second input end of the controllable attenuation circuit is connected with an output control signal Vp of a differential integrating circuit, an output end of the controllable attenuation circuit is connected with an input end of a signal transmission circuit, an output end of the signal transmission circuit is connected withan input end of the final-stage power amplifier tube, and an output end of the final-stage power amplifier tube is signal output; a temperature detection circuit is used for detecting the temperatureof the power amplifier. A voltage control circuit can be added to reduce the static power consumption of the power amplifier tube. The power amplifier has the beneficial effects that the power consumption is reduced by adopting a method of reducing the static power consumption of the power amplifier tube besides a method of reducing the power, and finally, the minimum output power and the power amplifier power consumption under the minimum static state are very small, so that the power amplifier can keep certain power output under an extreme high-temperature condition, and the system keeps apart of communication functions.