3052results about How to "Achieve energy saving effect" patented technology

The embodiment of the invention discloses an energy saving method, an energy saving device and an energy saving system under a desktop virtual environment. The method comprises the following steps of: collecting specific event information corresponding to a virtual machine through a probe; determining a current state of the virtual machine associated with the specific event information according to the collected specific event information of the virtual machine and an acquired virtual machine idling strategy and outputting corresponding virtual machine state information to a management server, wherein the virtual machine state information indicates that the virtual machine is in an idle state or non-idle state; receiving a stand-by command transmitted by the management server and transmitting a corresponding stand-by instruction to a hardware layer to control a physical host of the virtual machine host to enter a stand-by state suspending to memory; and thus the phenomenon of network flow congestion caused by a great amount of heat transfer or load of the virtual machine is prevented while the energy saving effect is achieved.

The invention discloses a self-adaptive energy-saving control method, device and system based on traffic predication. The method includes the steps that various indexes relevant to traffic of a server cluster in all historical time periods are collected; historical traffic of the server cluster in all the historical time periods is calculated by utilizing the various indexes relevant to the traffic in all the historical time periods; according to the historical traffic in all the historical time periods, traffic of the server cluster in the next time period is predicated; by utilizing correction factors corresponding to date classification which the next time period belongs to, the traffic in the next time period is corrected; if the largest historical traffic is larger than or equal to traffic of the next time period after being corrected, the number and/or the work states of servers operating in the service cluster are adjusted according to the corrected traffic in the next time period; when the work states of the operating servers are different, the traffics processed by the operating servers are different. Therefore, self-adaptive energy-saving control can be performed on the server cluster.

The invention discloses a linkage energy-saving control system for an air conditioning system. An air and water linkage intelligent controller automatically adjusts an air and water linkage energy-saving control device according to working condition parameters. A cooling water pump and chilled water pump intelligent controller automatically adjusts the operation frequencies and the numbers of cooling water pumps and chilled water pumps according to the working condition parameters. A cooling tower and refrigerating host intelligent controller automatically adjusts the number of operated cooling tower draught fans and operated refrigerating hosts according to the working condition parameters. An air conditioner tail-end intelligent controller adjusts the opening degrees of air supply branch pipe tail-end air valves and chilled water proportion regulating valves and the operation frequencies of air feeders respectively through an air supply branch pipe tail-end air valve, chilled water proportion regulating valve and air feeder energy-saving controller according to the working condition parameters. The invention further discloses a linkage energy-saving control method for the air conditioning system. The linkage energy-saving control system is automatically matched with the energy-saving working condition parameters according with the current system, electric equipment and the controllers in the air conditioning system are adjusted, the air conditioning system runs at the best efficiency, and the purpose of reducing the total energy consumption of the system is achieved.

The invention relates to a resource allocation method suitable for mobile edge computing scenes. The method is used for realizing optimal task cache and uploading and downloading time allocation and low-complexity suboptimum task cache and uploading and downloading time allocation based on task cache and transmission optimization mechanisms, when the computation result of a to-be-executed task ofa mobile device has been cached by a base station, the mobile device downloads the computation result of the task from a base station, otherwise, the mobile device uploads the task to the base stationfor computation, and then downloads the computation result of the task from the base station, when multiple mobile devices upload the same task to the base station, the base station selects the mobile device with the best channel to achieve the uploading, when the multiple mobile devices download the computation result of the same task, the base station sends the computation result of the task ina multicast mode, and the mobile device having the worst channel just successfully receives the computation result. Compared with the prior art, the resource allocation method has the advantages of jointly optimizing the cache and uploading and downloading times and saving energy.

The energy-saving servo control system for injection molding machine includes one servo motor, one constant displacement oil pump providing pressure to the hydraulic system, one pressure sensor, one rotation speed sensor, and one control element, as well as one energy-saving controller connected to the outputs of the pressure sensor and the rotation speed sensor for automatic closed-loop regulation of pressure and flow rate. The servo motor includes one torque regulating input and one rotation speed regulating input; the energy-saving controller includes one pressure control module and one flow rate control module with outputs connected to the servo controller; the servo controller includes one torque driving unit and one rotation speed driving unit connected separately to the torque regulating input and the rotation speed regulating input of the servo motor. The energy-saving servo control system has high adaptability, high sensitivity, high accuracy and high energy-saving effect.

The invention discloses an energy saving method for a circulating water system. The method comprises the following steps: firstly, detecting duty parameters of the current operation of the system andparameters of related devices; then, in accordance with the principle of economic operation of the circulating water system, creating a standard for the balance test and the calculation of the systemenergy by starting with a circulating water pump group, a pipe network, a heat-exchange device, a refrigeration device, a cooling tower and the like, analyzing the use efficiency of the system energy,evaluating the current use efficiency index of the system energy, and finding out the cause for the high energy consumption of the system; finally, by combining production process requirements, accurately finding out the optimum operating point where the devices are matched with the liquid transportation, and giving an optimum solution for the process energy of the system so as to achieve the purposes of high efficiency and energy saving. By detecting and analyzing the circulating water system, the invention provides a comprehensive, systemic and thorough energy saving method for the circulating water system.

The invention provides an intelligent control system and a control method for a scraper conveyer, which belong to the intelligent control systems for coal mine exploitation. The intelligent control system for the scraper conveyer comprises a laser scanning ranging device, a ray ranging transmitter, an ultrasonic level sensor, a current transducer, a master controller, a variable frequency and speed regulation controller, a coal crushing controller, a conveyor gesture controller and a conveyor chain stretching controller, wherein the laser scanning ranging device, the ray ranging transmitter, the ultrasonic level sensor and the current transducer transmit detection signals to the master controller in a wireless communication manner, and the master controller sends control instructions to the variable frequency and speed regulation controller, the coal crushing controller, the conveyor gesture controller and the conveyor chain stretching controller in the wireless communication manner. The running state of the scraper conveyer is mastered at any time and corresponding devices are controlled timely through monitoring of the laser scanning ranging device, the ray ranging transmitter, the ultrasonic level sensor and the current transducer, so that the scraper conveyer can be operated in an optimum running state.

The invention provides a secondary Regulation flow coupled hydraulic accumulator storage hydrostatic transmission device, relating to a secondary hydrostatic transmission method and systems. It solves the contradiction between constant coltage net which only allows pressure to change in small range and hydraulic pressure accumulator energy recovery subsystems which need to change pressure in a large range existing in the secondary regulation hydrostatic transmission system. It adopts hydraulic pressure accumulator to output hydraulic oil and drives hydraulic pressure storage pump or motor and electric motor to drive hydraulic oil cylinder to work with load. When the load need to descend, load-driven hydraulic pump or motor and storage Hydraulic Pump or Motor change work condition respectively and recover and storage the potential energy which is produced by the hydraulic oil cylinder. When the load need to up run, energy storage hydraulic pump or motor and load driver Hydraulic Pump or Motor change work condition respectively and do the above work again. This invention can be used in the hoist nd hydraulic pumping and so on.

The invention relates to a permanent magnet synchronous motor control performance automation test system, which comprises a communication subsystem, a host computer subsystem, a permanent magnet synchronous motor control subsystem, and a direct-current machine control subsystem; wherein a control circuit in the permanent magnet synchronous motor control subsystem is connected with a RS232 switching bridge device in the communication subsystem; a Siemens 6 RA 7025 direct current speed governor in the direct-current machine control subsystem is connected with a communication card CBP2 of the direct current speed governor in the communication subsystem; the communication card CBP2 of the direct current speed governor in the communication subsystem and the RS232 switching bridge device are connected with a programmable controller (PLC) in the host computer subsystem; the communication is realized between the permanent magnet synchronous motor control subsystem and the host computer subsystem by the programming. The permanent magnet synchronous motor control performance automation test system has the advantages of increasing the reliability and capacity of resisting disturbance of the system, realizing the networking control of the whole system, increasing the real time of the system, being capable of simulating any load and saving the energy.

The invention relates to the technical field of an energy-saving charging and discharging test on cells, and specially, relates to a method for energy-saving charging and discharging of cells and a system for testing energy-saving charging and discharging of cells. When all cells are in a charging state, power is sent from an electrical network and orderly passes through a direct current-alternating current transformation unit, a direct current-direct current transformation unit and the cells. When all the cells are in a discharging state, power is sent from the cells and orderly passes through the direct current-direct current transformation unit, the direct current-alternating current transformation unit and the electrical network. When cell charging powder and cell discharging powder are unequal, the powder unbalance is adjusted by the direct current-alternating current transformation unit and the electrical network. In the invention, charging and discharging of cells are realized simultaneously. Powder produced by cell discharging is fed back to an electrical network so that powder cyclic utilization is realized and powder-saving effects are obtained. A part of the cells are in a charging state and the other part of the cells are in a discharging state so that powder can be transmitted between the two parts without passing through the electrical network and thus powder cyclic utilization efficiency is improved; powder consumption is reduced; charging-discharging integration is realized; and operation processes are simple and efficient.

The invention relates to an infrared energy-saving coating with anti-corrosion and anti-coking functions, which is prepared from a component A and a component B according to the weight ratio of 1: 1-2. The particle size of powder materials in the component A is not less than 280 meshes and the component A is prepared from the following powder materials according to the weight ratio: 40-60 parts of spinel structure infrared composite darkening agent, 10-30 parts of corundum powder and 3-10 parts of high-temperature binding agent. The component A further comprises an anti-coking agent, and the anti-coking agent is prepared from the following powder materials according to the weight ratio: 3-10 parts of graphite, 0-10 parts of boron nitride and 1-5 parts of manganese sesquioxide. The component B is of a film-forming substance and prepared from the following raw materials according to the weight ratio: 60-80 parts of water glass, 10-30 parts of silica sol and 0-20 parts of water-borne resin solution. The invention further discloses a preparation method of the coating. The coating provided by the invention has the advantages: corrosion prevention, capability of reducing coking, high temperature resistance and excellent infrared radiation performance.

The present invention discloses an IoT (Internet of Things)-based water supply equipment management method. The IoT based water supply equipment management method adopts a plurality of groups of water supply equipment management units. Each group of water supply equipment management units is used for managing and controlling a set of water supply equipment; each data of each group of water supply equipment management units is sent to a data acquiring and sending server by an information acquisition and data transmission module and is transmitted to a stream data server cluster for data processing by the data acquiring and sending server; the IoT-based water supply equipment management method has the functions of secondary data storage and data archiving; meanwhile, by a service server, real-time data or stored data of the water supply equipment is subjected to operations of inquiry and the like according to requests of an external client; by a system management client, faults of a system and faults of the water supply equipment can be processed and judged and corresponding maintenance personnel is assigned to carry out maintenance so as to implement intelligent and uniform management of each set of water supply equipment.

The invention discloses a hybrid hydraulic excavator, which comprises a control system. The control system comprises a first energy release valve block (1), a second energy release valve block (2), a first energy accumulator (4), a second energy accumulator (3), a first rotary energy recovering valve block (5), a second rotary energy recovering valve block (6), a rotary motor (7), a movable arm oil cylinder (8), a movable arm energy recovering valve block (9), a guide control valve block (10), a pump-controlled system valve block (11), a multi-way valve (12), a guide hydraulic pump (13), a first main hydraulic pump (14), a second main hydraulic pump (15), a hydraulic oil tank (16) and a hybrid controller (17). The hydraulic excavator can automatically judge and recover braking energy to a rotary system motion state at a deceleration braking energy recovering stage and simultaneously enable an engine to always work at an efficient interval.

The invention discloses an integral type thermal insulation building, which belongs to the technical field of building engineering. The problem to be solved is to provide the integral type thermal insulation building. The adopted scheme is that the integral type thermal insulation building at least uses one of an inorganic thermal insulation structure layer and an inorganic thermal insulation layer, wherein the inorganic thermal insulation structure layer is formed by combining one or two of inorganic thermal insulation load-bearing concrete and inorganic thermal insulation load-bearing building blocks; and the inorganic thermal insulation load-bearing concrete comprises the following components in a mixing weight ratio (kg/m<3>) of concrete composite light bone admixture to cement to sandto stone to porcelain granule to fly ash to water to concrete admixture of (6-225):(200-800):(300-700):(500-1,600):(150-650):(10-600):(80-400):(0.1-200). The integral type thermal insulation buildingcan be widely applied to the technical field of buildings.

The invention relates to a selective catalytic reduction urea air premixing jet system, which belongs to the technical field of diesel engines. The selective catalytic reduction urea air premixing jet system comprises a controller, a metering pump, a urea solution tank, a urea solution pressure-stabilizing cavity, a reflux valve, a jet electromagnetic valve, an air atomizing nozzle, an air electromagnetic valve, an air pressure-stabilizing cavity, an air pressure-reducing valve, a compressed air tank, a cooling liquid electromagnetic valve, an integrated heat exchange device, a pipeline heat exchange device and a urea solution tank heat exchange device. The selective catalytic reduction urea air premixing jet system has the characteristics of low energy consumption, high accuracy and stability, simple structure, low system development cost and manufacturing cost and capacity of effectively reducing fuel oil consumption and NOx emission of the diesel engines.

The invention relates to an LED lamp in the illuminator field, mainly comprising head hood, LED board, luminous tube, radiating aluminum hood, fan, circuit board, tail cover, needle seat and needles, and its design key points: the head hood and the LED board as well as the luminous tube are correspondingly arranged; the extended block of the head hood is fixed with the radiating aluminum hood by bolt, and the fan is arranged in the radiating aluminum hood; the casing of the fan is equipped with vanes, the intracavity of the fan is equipped with micro motor composed of stator and rotor; the fan is connected with the circuit board in the tail cover, the tail cover is fixed with the radiating aluminum hood by bolts and connected with the needle seat and the needles, the power line of the circuit board connects with the needles through the tail cover and the needle seat and then inserted into the lamp holder, and thus the LEDs are ON if the power supply is switched on.

The invention discloses a data center water-cooling heat pipe cooling system and method. The system and the method aim to overcome the defects that the cooling efficiency is low and the air-conditioning power consumption is large in the using process of a data center in the prior art. The cooling system partitions a data center into an upper equipment cabinet space and a lower refrigerating space through an elevated floor. Equipment cabinets are arranged in columns. Closed cold channels and closed hot channels are sequentially formed among the equipment cabinets in a repeated mode. A hot pipe heat exchange unit is arranged in the corresponding equipment cabinet lower refrigerating space and exchanges heat with a chilled water unit through a cold liquid distributor. As the hot pipe heat exchange unit does not occupy the equipment cabinet space, the equipment cabinet density can be improved; meanwhile, by closing the cold channels and the hot channels, the equipment cabinets are directly cooled, the air inlet temperature of a hot pipe is improved, the refrigerating efficiency is improved, the energy-saving effect is achieved, and the system is suitable for the environment like a data center machine room where heat needs to be dissipated.

This invention refers to a method about low-temperature multiple-effect desalination of sea water, especially about a new method which effectively applied thermal pumping power-saving technology to desalination of sea water. The desalination of sea water system which apply this method has n effect evaporator(n=2-50) and one condensator aggregately, containing six systems of feeding seawater, recirculated salt water, product water, vacuum, incoagulable gas removal, thermal pumping circulation and starting heating in addition. This invention is based on irreversible thermodynamics principle, via organic integration of evaporator, condensator and low-temperature multiple-effect desalination of sea water system in closed circuit thermal pumping system, as well as special design of energy recovery tache in low-temperature multiple-effect desalination of sea water, decreasing irreversible loss of diversified thermal transmission course which the desalination of sea water refers to in maximum limit, sequentially letting the entropy increasing of whole desalination of sea water course be the least, realizing efficient energy-saving desalination of sea water course.