85results about How to "Stable power consumption" patented technology

A semiconductor memory device with a clock synchronization circuit capable of performing a desired phase/frequency locking operation, without the jitter peaking phenomenon and the pattern jitter of an oscillation control voltage signal using injection locking. The device includes a phase-locked loop that detects a phase/frequency difference between a feedback clock signal and a reference clock signal to generate an oscillation control voltage signal corresponding to the detected phase/frequency difference, and generates the feedback clock signal corresponding to the oscillation control voltage signal. An injection locking oscillation unit sets up a free running frequency in response to the oscillation control voltage signal and generates an internal clock signal which is synchronized with the reference clock signal.

A power supply apparatus for use with a redundant power supply system includes a casing, a main circuit board and an airflow driving device. The casing includes a first airflow opening and a second airflow opening. The main circuit board is disposed within the casing and includes plural electronic components thereon. The airflow driving device is disposed in the middle region of the main circuit board. A cooling air is pumped by the airflow driving device to be introduced into the inner portion of the casing through one of the first airflow opening and the second airflow opening, then the heat generated from the electronic components is removed by the cooling air, and finally a heated air is exhausted through the other one of the first airflow opening and the second airflow opening.

The invention discloses a household appliance control method. The household appliance control method comprises the following steps: when the fact that the total current of household electricity consumption reaches a preset threshold is monitored, acquiring a time period corresponding to a current time point, and acquiring electricity consuming priorities of household appliances currently running in the time period; according to the electricity consuming priorities, determining household appliances to be processed; controlling power reducing operation of the household appliances to be processed, wherein the power reducing operation comprises electricity disconnecting or current reducing operation. The invention further discloses a household appliance control system and a computer storage medium. Through real-time or timed acquisition of the electricity consuming priorities of the household appliances, the electricity disconnecting or current reducing operation is performed on the household appliance with the lowest electricity consuming priority, so that the current household appliance with the relatively high electricity consuming priority is not shut down by mistake while the stable household electricity consumption is guaranteed, and the accuracy is higher.

The present application discloses a system for controlling the operation of a microgrid that includes a power unit configured to include a distributed power source including one or more new and renewable energy power sources and to convert the power of the distributed power source and supply the converted power to a load, a load calculation unit configured to calculate an optimal output condition according to the type of load included in a load list in response to the signal of an external power generation source.

The invention relates to an ozone generator, comprising two electrodes and a dielectric layer arranged between the above such that between the dialectic layer and one of the electrodes an ozonizing gap is formed, through which an oxygen-containing gas can be run. In the direction of the flow of the gas, a dielectric capacity (CD) of the dielectric layer of the gas becomes smaller and/or layer thickness of the dielectric layer becomes greater, such that a gap width of the ozonizing gap is greater on the inlet side than the outlet side.

The present application relates to a fuel cell system and a method for driving same, which can produce stable electricity, enhance load following capability, and simultaneously increasing fuel utilization rate and energy efficiency by separately managing a base load and a load following of a fuel cell, and the fuel cell system according to one embodiment of the present application comprises: a molten carbonate fuel cell for generating electricity by using fuel; a reaction gas for shifting discharge gas into water gas; a buffer tank for storing the water gas; and a driving device which is actuated by using the water gas that is stored and provided from the buffer tank.

The invention discloses a driving method of an organic light-emitting display panel, a time sequence controller and a display device. The aging data of the organic light-emitting display panel is analyzed and processed such that the full-screen brightness gain value is controlled, namely, the full-screen brightness is reduced to the maximum extent according to the aging degree, so that the aging speed of the organic light-emitting display panel is reduced, the service life of the organic light-emitting display panel is prolonged, the power consumption of the organic light-emitting display panel is stabilized, the high-quality requirements of customers are met, and products are more competitive.

The invention aims to provide a method for reducing the steel rolling steel process energy consumption per ton steel. The method includes A. acquiring the historical data of the key parameters involved in the steel rolling process, and constructing a mathematical model of the tapping temperature and the energy consumption per ton steel; B. acquiring the key parameters in the real-time production to be used as the initial values of the key parameters; C. introducing the initial values of the key parameters into the mathematical model of the tapping temperature and the energy consumption per ton steel to obtain the predicted values of the tapping temperature and the energy consumption per ton steel; D. randomly optimizing the initial values of the key parameters to obtain the temporary optimized values of the key parameters, calculating the temporary optimized values of the tapping temperature and the energy consumption per ton steel, and determining the validity of the temporary optimized values; E. performing continuous cycle optimization until the regulated target values of the key parameters are obtained; and F. inputting the regulated target values of the key parameters into the steel rolling process control system to control the steel rolling process. The method overcomes the shortcomings of high reconstruction cost and bad control precision in the prior art and has the characteristics of stabilizing the tapping temperature and reducing the energy consumption per ton steel.

The embodiments of the invention relate to the illumination field, and provide a drive circuit and a lamp fixture. A low-power stabilized power supply is arranged so that when a lamp fixture is at a dormancy state, the standby power consumption of the drive circuit is quite low, unnecessary energy consumption is saved, and the life of the lamp fixture is prolonged. Besides, a control unit, a current sampling circuit and a DC/DC conversion circuit are arranged so that the current size of a light source can be determined through the control unit according to light source currents obtained by the current sampling circuit, and the DC/DC conversion circuit can be controlled to output stable currents to the light source, thus the stability of a lamp fixture circuit is improved, the drive circuit of the lamp fixture satisfies the reference indicators of high efficiency and low power, a stable, low-power and long-standby time drive circuit is provided for a portable illumination lamp fixture, and the overall electrical efficiency of the drive circuit and the lamp fixture is ensured.

The present invention relates to electronic lock technology, and is especially one kind of electronic lock capable of being powered automatically. The electronic lock includes one electronic lock body, in which there are two conducting terminals set inside the lock bolt, two corresponding conducting tabs in the door box, one AC power source connected through one charging and voltage varying circuit to the conducting tabs, and one motor with power supplying circuit connected the conducting terminals. When the electronic lock is in locking state, the conducting terminals are connected separately to the conducting tabs. The electronic lock with low power consumption has lower battery replacing frequency and high reliability.

The invention provides a big data analysis method and device based on an electric power internet of things and computer equipment. The method comprises the steps of: performing data feature extractionon the power consumption behavior data set; obtaining a power consumption data distribution list of each power consumption behavior data set; determining a normal cluster and a target power utilization cluster based on the power utilization data distribution list, determining a first power utilization stability weight and a second power utilization stability weight according to the first power utilization behavior data corresponding to the normal cluster and the target power utilization cluster, and according to the first power utilization stability weight, the second power utilization stability weight and the target power utilization behavior data corresponding to each power utilization terminal in each power utilization cluster corresponding to each power utilization behavior data set,determining a power utilization scheduling strategy of each power utilization cluster and issuing the power utilization scheduling strategy. Thus, the cluster server can control the power utilizationterminals in the power utilization cluster according to the power utilization scheduling strategy, safe and reliable operation of the power utilization cluster is ensured, and safe, stable and reliable power utilization of power consumers is further ensured.

The invention relates to a self-adaptive adjustable bookshelf. The bookshelf is improved on the basis of an existing bookshelf structure. An intelligent control telescopic control device is arranged for adjacent bookshelf side plates (1); a motor electrically controlled telescopic rod (7) is used in the design and arranged between the adjacent bookshelf side plates (1) on the basis of telescopic rods (2) designed and arranged between the adjacent bookshelf side plates (1); the distance between the adjacent bookshelf side plates (1) is driven to be controlled and adjusted along with telescopic control over the telescopic rods above the motor electrically controlled telescopic rod (7); Meanwhile, on the basis of a specifically designed filter circuit (6), filtering is conducted according to a distance measuring result of a designed distance measuring sensor (3), and a more precise distance measuring detection result is obtained; on the basis of the result, intelligent control is conducted on the motor electrically controlled telescopic rod (7), so that self-adaptive change adjustment of the inner space and the outer space of the designed bookshelf is achieved, and the use efficiency of the bookshelf is improved.

The invention discloses an electric motor coach storage battery protection system and a method thereof, an auxiliary power supply provides a working power supply for a system voltage sampling circuit and maintains a power supply for a processor in a deep dormant state, and a main power supply is controlled by a main power supply control circuit and provides a working power supply for the system during normal work. A charging control circuit is respectively connected with the processor and a charger, the charger is connected with an automobile storage battery, the voltage sampling circuit is connected with the automobile storage battery and the processor, and by automatically detecting the voltage value of the automobile storage battery, when the voltage is reduced to be required to charge the automobile storage battery, the system is automatically connected with the vehicle-mounted DC/DC charger to charge the automobile storage battery; the voltage of the current battery is monitored in real time, and when the battery is fully charged and the voltage rises to a set voltage value, the system disconnects the charger and enters a deep sleep mode, and when the voltage of the storage battery drops again and needs to be charged, an external sampling circuit provides a trigger signal to wake up the system and charge the storage battery again.

The present invention discloses a medium and long term electricity consumption prediction method based on an ARMA model. The method comprises: obtaining power consumption data of an area to be predicted in a preset time quantum, taking the obtained power consumption data as an original data sequence for performing preprocessing, and if the original data sequence satisfies a modeling condition, taking the original data sequence as a current data sequence, and if the original data sequence does not satisfy the modeling condition, performing reprocessing; determining a preset time quantum; and finally establishing an ARMA model, determining an ARMA model function of prediction power consumption corresponding to the next time quantum continuous with the preset time quantum according to the current data sequence, and according to the ARMA mode, calculating the prediction power consumption of the next time quantum.

The invention relates to an energy storage type power grid peak shaving system, which comprises energy storage equipment connected with a power grid, power grid peak shaving controllers II and a management platform. Each power grid peak shaving controller II is provided with a unique ID code. All the ID codes are uniformly grouped and managed by the management platform; the management platform receives a difference percentage difference value A between a real-time load of a current power grid and an expected load difference calculated by power grid dispatching and sends the difference percentage difference value A to the power grid peak shaving controller II; the power grid peak shaving controller II orderly charges the energy storage equipment according to the priority of the ID codes andgrouping under the instruction of the management platform difference value A so as to increase the power consumption of the power grid or feed back the power stored by the energy storage equipment tothe power grid. The bidirectional communication between the management platform and the power grid peak shaving controller II is utilized to realize that the power utilization end consumes more powerin the valley period of the power grid and consumes less power and feeds back power in the peak period, thereby reducing the peak-valley difference of the power grid, and enabling power generation, power supply and power utilization to be more stable, stable, safer and more economical.

The invention discloses an energy-saving control method and system for ceramic raw materials. According to preset slurry parameter information, the quantity of the raw materials needing to be added and the quantity of water needing to be added are determined, material adding is automatically controlled according to the quantity of the raw materials needing to be added, water adding is automatically controlled according to the quantity of the water needing to be added, and operation of a ball mill is automatically controlled based on the slurry parameter information, so that automatic control over material adding, water adding and operation of the ball mill is achieved, the problem that manual control leads to large errors is avoided, the water content of ball-milled slurry is met, and the time and electricity consumption for ball milling are stabilized. In addition, the quality of the ball-milled slurry can be ensured, and production efficiency and production process quality are improved.

It is a plasm screen drive circuit, wherein, the video conversion circuit input end of its video frequency source is connected with analog video signals and output end is connected with video signal process circuit. The image process circuit input end of the main control circuit is connected with the output end of the video signal process circuit and output end is connected with video storage circuit. The output end of the video storage circuit is connected with line drive circuit. The output end of the power self-adjusting circuit is connected with the input ends of system control circuit and row drive circuit. The output end of the system control circuit is connected with the input ends of sustain wave generating circuit and energy regain circuit.