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56results about How to "Increase adjustment rate" patented technology
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Capacity allocation method for improving frequency modulation performance of power plant
ActiveCN107579515AAGC performance improvementIncrease adjustment rateAc network load balancingSpecial data processing applicationsAutomotive engineeringGrid energy storage
The invention discloses a capacity allocation method for improving frequency modulation performance of a power plant. The method comprises proposing a specific calculation method of the indexes such as the adjusting rate, the adjusting precision and the response time according to the evaluation indexes of AGC in the two detailed regulations; proposing energy storage, charging and discharging strategies for improving various indexes of the frequency modulation in different stages; calculating the income of energy storage participating in the frequency modulation of the power plant; calculatingthe cost of energy storage participating in the frequency modulation of the power plant, and meanwhile, considering the influence on the service life of the energy storage frequent action; establishing an energy-storage frequency-modulation economical model; taking the maximum net income as a target function and calculating the energy storage capacity with the largest net income by adopting a differential evolution algorithm. According to the method disclosed by the invention, the Kp value can be calculated more accurately, the foundation is laid for the subsequent charge and discharge strategy making and effectiveness calculation, and the AGC performance of the power plant can be remarkably improved, the corrected service life is brought into an energy storage cost item, and the differential evolution algorithm is adopted to calculate the optimal capacity and the maximum net income of the system configuration energy storage.
Owner:SOUTHEAST UNIV
Self-adapting impedance matching module
InactiveCN102664601AReduce areaIncrease adjustment rateMultiple-port networksPower parameterPower detector
The invention discloses a self-adapting impedance matching module which comprises an adjustable matching unit and a main control unit. The matching module is characterized by also comprising a first power detector unit and a second power detector unit. The adjustable matching unit includes an adjustable matching network and a controllable power supply subunit. According to the matching module, through detecting a power parameter of a transmission signal, real-time matching adjustment is carried out on front and back stage circuits at two ends of the matching network, which means that a present radio frequency power measurement chip is utilized to detect the power magnitude of transmission signals at two ends of the adjustable matching unit, the power parameter is utilized to carry out self-adapting adjustment, and since the present detection chip can be employed to detect the power directly, detection precision is raised; in a detection process, participation of a directional coupler is not needed, thus the area of the module is reduced, a detected parameter can be directly utilized to carry out adjustment, subsequent complex parameter programming algorithm processing is saved, and the adjusting rate of the module is raised.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Feedforward compensation design method of thermal power generating unit AGC system
ActiveCN107976900AIncrease door openingAdjust the door opening to closeAdaptive controlCurrent loadEngineering
The present invention relates to a feedforward compensation design method of a thermal power generating unit AGC system, and relates to the field of thermal power generating unit AGC system control strategy. The objective of the invention is to solve the problem that a current AGC performance optimization method is difficult to improve three examination index requirements of the AGC at the same time. The method comprises the steps of: determining whether an AGC mode is input to the unit or not, if the AGC is not input into operate, allowing power signals PT transmitted to a steam turbine regulator to be still actual power signals of the unit, ending the method, and if the AGC is input into operate, executing a step 2, namely performing feedforward compensation design optimization of the power signals transmitted to the steam turbine regulator; the step 2: calculating power deviation [Delta]P0:[Delta]P0=P'-P according the current load P' and an actual load P of the AGC, calculating constants [Delta]P1, [Delta]P2:[Delta]P1=W*K1 and [Delta]P2=W*K2 by employing a unit rated load W; and the step 3: determining a size relation of a power instruction deviation [Delta]P0 and the constant [Delta]P1, and calculating corrected power signals PT by employing the constant [Delta]P2 according to a determined result, and transmitting the corrected power signals PT to the steam turbine regulator. The feedforward compensation design method of the thermal power generating unit AGC system is suitable for a thermal power generating unit AGC system.
Owner:哈尔滨沃华智能电力技术有限公司 +2
Automatic adjusting system and method of laser resonant cavity reflector
InactiveCN110112645AIncrease adjustment rateImprove efficiencyLaser detailsResonant cavityLight beam
The invention provides an automatic adjusting system of a laser resonant cavity reflector. The system comprises a remote angle adjusting device, a light beam monitoring device and a data processing module. The light beam monitoring device is configured to detect the centroid data of a laser output by a laser in real time, compare the centroid data with initial centroid data to determine whether the centroid data exceeds a centroid fluctuation range or not, and convert the centroid fluctuation quantity and the fluctuation direction into driving signals and send the driving signals to the remoteangle adjusting device if yes. The present invention further provides an automatic adjusting method of a laser resonant cavity reflector. The method can monitor the parameters of the laser output bythe laser in use in real time to determine whether a laser resonant cavity reflector is moved or not, can determine the movement data of the laser resonant cavity reflector according to the parameterchange trend and can feedback the movement data to the automatic adjusting system of the laser resonant cavity reflector to achieve rapid and automatic adjusting of the laser resonant cavity reflectorso as to improve the adjustment rate of the reflector and improve the use efficiency of the laser.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
Rotary angle and distance-based three-dimensional pen interaction interface zooming method
ActiveCN106648152AReduce visual burdenEasy to operateInput/output processes for data processingGyroscopeInteraction interface
The invention provides a rotary angle and distance-based three-dimensional pen interaction interface zooming method, which is applied to the technical field of three-dimensional pen man-machine interaction. The method comprises the steps of obtaining a distance between an intelligent pen and a host by adopting an ultrasonic three-dimensional high-precision wireless locating technology; obtaining a rotary angle of the intelligent pen by adopting acceleration and gyroscope signals; and when the rotary angle of the intelligent pen belongs to a controllable angle range, calculating the length of a virtual ruler according to the rotary angle of the intelligent pen and the distance, calculating a zooming ratio coefficient of a user interface based on the virtual ruler and a length factor, obtaining a corresponding zooming ratio, and adjusting the user interface to a corresponding display ratio. When the intelligent pen executes a drawing or interactive task, the task does not need to be interrupted, and the zooming ratio of the user interface can be continuously selected by adjusting the rotary angle of the intelligent pen or the spatial position of the user, so that the adjustment speed is increased, the power consumption can be reduced and the visual burden of the user can be reduced.
Owner:JILIN UNIV
A method for active power control of hydroelectric units in dual-suggested operating areas
ActiveCN111654068BAllocation is fastSmall amount of calculationSingle network parallel feeding arrangementsAutomatic Generation ControlPower station
Owner:HUANENG LANCANG RIVER HYDROPOWER +1
A method for active power control of hydroelectric units in a single recommended operation area
ActiveCN111740452BImprove stabilityImprove simplicitySingle network parallel feeding arrangementsAutomatic Generation ControlPower station
Owner:HUANENG LANCANG RIVER HYDROPOWER +1
Surface mount device (SMD) type solid laser, and adjusting device, and manufacturing method for SMD type solid laser
InactiveCN102468604AReduce match procedureIncrease adjustment rateLaser detailsLaser optical resonator constructionResonant cavitySurface mounting
The invention discloses a surface mount device (SMD) type solid laser. The SMD type solid laser comprises a laser diode (LD) pump light source and a resonant cavity, wherein the resonant cavity comprises a laser crystal, a frequency doubling crystal and a plane output mirror which are parallel with one another; and the LD pump light source, the laser crystal, the frequency doubling crystal and the plane output mirror are fixed in the corresponding grooves of a laser substrate sequentially. In addition, the invention also discloses an adjusting device and a manufacturing method for the SMD type solid laser. The SMD type solid laser has a plano-plano cavity structure; the laser substrate serves as a mina supporting body; and the corresponding grooves are formed in the laser substrate, so only the positions of the optical components are adjusted, the optical components can be fixed in the corresponding grooves, and the manufacturing steps are simplified.
Owner:PHOEBUS VISION OPTO ELECTRONICS TECH
Load balancing algorithm and system of heterogeneous network
ActiveCN107484208ALoad balancingImprove experienceNetwork traffic/resource managementAccess networkDistributed computing
The invention discloses a load balancing algorithm of a heterogeneous network. The load balancing algorithm comprises the following steps: computing a network load degree of each network in a network group, judging whether a difference value between the maximum network load degree and the minimum network load degree is less than a first threshold value; if not, determining the number S of user terminals needing to adjust in the network with the maximum network load degree, and selecting S to-be-adjusted user terminals according to a preset rule, wherein the network load degree of the located network of the to-be-adjusted user terminal is greater than that of a to-be-accessed network; switching S to-be-adjusted user terminals to the to-be-accessed network so as to realize the load balancing of each network in the network group. By using the load balancing algorithm disclosed by the invention, multiple user terminals can be switched to the to-be-accessed network through once adjusting to realize the load balancing of each network in the network group; the regulating rate is improved, and the user experience is enhanced. The invention further discloses a load balancing system of the heterogeneous network with the above-mentioned effects.
Owner:GUANGDONG UNIV OF TECH
Notebook computer screen method capable of automatically adjusting angle
InactiveCN111208871AIncrease adjustment rateImprove space utilizationInput/output for user-computer interactionVolume/mass flow measurementScreen methodEngineering
The invention provides a notebook computer screen method capable of automatically adjusting an angle. The method comprises: a high-definition camera, wherein the output end of the high-definition camera is unidirectionally and electrically connected with a binocular iris positioning module and a head posture recognition module, wherein the output ends of the binocular iris positioning module and the head posture recognition module are interactively connected with a processor, the output end of the processor is unidirectionally and electrically connected with a control driving module, and the output end of the control driving module is unidirectionally and electrically connected with an electric control motor assembly. According to the invention, image acquisition is carried out on the headposture and iris distance of a user through the high-definition camera; the iris distance and the head posture of a user are analyzed and calculated through the binocular iris positioning module andthe head posture recognition module, then an instruction is transmitted to the control driving module through the processor, and then the electric control motor assembly automatically adjusts the opening and closing angle of the screen panel to the optimal opening and closing state through the hinge.
Owner:JIANGSU NANGAO INTELLIGENT EQUIP INNOVATION CENT CO LTD
Method for implementing a variable parameter PID motion controller based on Ethernet Powerlink
InactiveCN108469726AImprove real-time performanceAvoid Data ConflictsProgramme controlComputer controlEthernet PowerlinkInterference resistance
A method for implementing a variable parameter PID motion controller based on Ethernet Powerlink belongs to the technical field of combining Ethernet technology with motion control. A controller as anEthernet Powerlink slave station receives expected location information sent by a master station, meanwhile, actual location information is collected in the FPGA, and the difference between the actual location information and the expected location information is performed, the difference is sent to a variable parameter PID module, and a calculation result is sent to a PWM (Pulse Width Modulation)generation module. The PWM wave of the corresponding duty ratio is input to a servo motor driver, and a driving motor is rotated to an expected position. The method is implemented based on an FPGA device, and the feasibility of the proposed method is verified by design actual experiments. The method has the advantages of high real-time performance, strong interference resistance and low development cost, and is suitable the motion control field required for high real-time performance and high stability in complex environments.
Owner:NANKAI UNIV
Iodine working medium electric propulsion storage and supply system based on sonic nozzle flow control
ActiveCN113306746AImprove thermal efficiencyHigh speedCosmonautic vehiclesMachines/enginesSonic nozzleTemperature control
The invention discloses an iodine working medium electric propulsion storage and supply system based on sonic nozzle flow control. The system comprises a control module, a square iodine storage tank, an iodine storage tank pressure sensor, a switch self-locking valve, a pressure regulating gas capacitor, a pressure regulating gas capacitor pressure sensor, a sonic nozzle assembly, a cathode supply pipeline and an anode supply pipeline. The square iodine storage tank, the switch self-locking valve, the pressure regulating gas capacitor and the sonic nozzle assembly are sequentially connected through a pipeline; the cathode outlet of the sonic nozzle assembly is connected with the cathode supply pipeline, and the anode outlet is connected with the anode supply pipeline; the pressure regulating gas capacitor pressure sensor is mounted on a pipeline between the pressure regulating gas capacitor and the sonic nozzle assembly; a pressure regulating gas capacitor heater covers the outer surface of the pressure regulating gas capacitor; and a pipeline temperature control module is coated on pipeline parts except the square iodine storage tank and the pressure regulating gas capacitor. According to the invention, the modular design of the iodine working medium electric propulsion storage and supply system is facilitated, the cost is reduced, and the system reliability and the accurate flow control capability in a high-temperature environment are improved.
Owner:成都天巡微小卫星科技有限责任公司
Linkage control method and system of air conditioning equipment
ActiveCN110579006AIncrease adjustment rateImprove experienceMechanical apparatusSpace heating and ventilation safety systemsElectricityEngineering
The invention relates to a linkage control method and system of air conditioning equipment. The method comprises the steps that according to an indoor air temperature, an outdoor air temperature and aset air temperature, a first environment improvement machine is controlled to operate in a refrigeration or heating mode, by judging sections where the indoor and outdoor air temperatures are located, the current indoor and outdoor environments are judged, and according to the sections where the indoor and outdoor air temperatures are located, a third environment improvement machine is controlledto operate in an inner circulation or outer circulation mode. Compared with the prior art, the third environment improvement machine is controlled to achieve exchange of indoor and outdoor air and cooperate with the refrigeration / heating mode of the first environment improvement machine, the speed of adjusting the indoor air temperature is increased, and meanwhile the loss of electricity is reduced.
Owner:PANASONIC HOME APPLIANCES AIR CONDITIONING GUANGZHOU CO LTD
Goose egg incubation device
InactiveCN111011258ARealize independent egg turning operationAchieve independent rotationPoultry incubationFisheryEngineering
The invention discloses a goose egg incubation device. The goose egg incubation device comprises an incubation box, wherein a temperature adjusting device is connected with the incubation box; supporting rods are arranged in the incubation box, and multiple rotating rods are arranged on each supporting rod; each rotating rod is connected with a rotating motor, a timing device and an installation disk, and an upper incubation disk, a plurality of reflectors, fixing rods, pushing air cylinders, a lower incubation disk and illuminating light bars are arranged on each installation disk; the lowerincubation disks and the upper incubation disks are each provided with multiple incubation grooves which are evenly distributed, and fixing devices are arranged in each incubation groove; humidification pipes are arranged on both inner side surfaces of the incubation box, and an atomizer is arranged on each humidification pipe; and a ventilation pipe is arranged on the top surface of the incubation box, and a suction pump is arranged on the ventilation pipe. The goose egg incubation device not only can improve the safety of egg turning, but also has the advantages that the stability of goose egg placement is good, the working efficiency is high, use is convenient, an application range is wide, the incubation efficiency of goose eggs is high, the adjustment rate is high, and the heating rate is high.
Owner:贵州锦屏生态鹅业发展有限公司
Control method and device used for portable air conditioner
ActiveCN111174300AIncrease adjustment rateMechanical apparatusLighting and heating apparatusThermodynamicsIndoor air quality
The invention discloses a control method used for a portable air conditioner and belongs to the technical field of air conditioners. The portable air conditioner comprises a semiconductor temperatureregulator used for regulating the environment temperature, a heat storage device and fans. The method comprises the steps that the temporary air quality in a target control area is obtained; when theportable air conditioner operates for a first set duration, the air quality in the target control area is obtained again; and if a difference value between the air quality in the target control area obtained again and the target set air quality is within a set air quality range, the portable air conditioner is controlled to perform air quality regulation in cooperation with other air purificationdevices. By means of the control method provided by the embodiment of the invention, the indoor air quality regulating speed is increased. The invention further discloses a control device used for theportable air conditioner.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
Intelligent constant-temperature control device and method for greenhouse
PendingCN110320948AIncrease adjustment rateReduce energy consumptionSimultaneous control of multiple variablesSmart controlEngineering
The invention discloses an intelligent constant-temperature control device and method for a greenhouse. The device comprises a ventilation module, a refrigeration and heating module, an illumination regulation module, a temperature detection module and a controller, wherein the ventilation module is used for realizing inside and outside ventilation of the greenhouse; the refrigeration and heatingmodule is used for realizing refrigeration or heating in the greenhouse through medium circulation; the illumination regulation module is used for sheltering or guiding light to irradiate the inside of the greenhouse; the temperature detection module is used for detecting inside temperature and outside temperature of the greenhouse; and the controller is used for acquiring temperature informationof the inside temperature and the outside temperature of the greenhouse and controlling the ventilation module, the refrigeration and heating module and the illumination regulation module to work according to the temperature information. Under different conditions, proper temperature regulating methods can be selected, particularly, two rapid temperature regulation means of inside and outside ventilation cooling and sealed illumination heating of the greenhouse are reasonably utilized, the inside temperature regulating rate of the greenhouse is increased, energy consumption is effectively reduced, and the cost is saved; besides, the device and the method also have the advantages of being high in automation degree, convenient to control, high in practicability and the like.
Owner:ANHUI KEJIE LIANGBAO STORAGE EQUIP
Device for preparing pea small molecule peptide
InactiveCN112899154AIncrease speedWell mixedBioreactor/fermenter combinationsBiological substance pretreatmentsEnzymatic hydrolysisHydrolysate
The invention relates to the technical field of small molecule peptide preparation devices, and particularly relates to a device for preparing pea small molecule peptide. The device comprises a box body, a preparation bin is fixedly connected to the top end of the box body, a feeding pipe is connected to the top end of the preparation bin, a sealing cover is hinged to the top end of the feeding pipe, the right end of the sealing cover is fixedly connected to the right end of the feeding pipe through a buckle lock, the top end of the interior of the box body is fixedly connected with a crushing box, the top end of the crushing box is communicated to the bottom end of the preparation bin, the bottom end of the crushing box is fixedly connected with a first motor, the output end of a first motor is fixedly connected with a crushing shaft, and the top end of the crushing shaft extends into the crushing box and is rotationally connected to the top end of the crushing box through a bearing; the device can ensure that enzymatic hydrolysate is in the proper temperature and pH value range to increase the enzymatic hydrolysis speed and improve the enzymatic hydrolysis efficiency; the interior of a filter box is convenient to clean, so that the blockage of a filter plate caused by excessive impurities is prevented, a filtering effect is improved, and the service life of the filter plate is prolonged; and the use practicability of the device is improved.
Owner:姚占奎
Bandwidth adjustment method and device
InactiveCN107094082AIncrease adjustment rateEasy to adjustMetering/charging/biilling arrangementsDistributed computingComputer network
Owner:CHINA MOBILE GROUP ZHEJIANG
Method and device for air conditioner control and air conditioner
InactiveCN112254264AIncrease adjustment rateImprove experienceMechanical apparatusLighting and heating apparatusAmbient humidityCorona discharge
The invention relates to the technical field of air conditioner control, and discloses a method for air conditioner control. The method comprises the following steps of determining a second change value of indoor environment humidity; and under the condition that the second change value of the indoor environment humidity is smaller than a humidity change amount threshold value, an indoor draught fan is controlled to rotate reversely, electric auxiliary heating is started, and air passing through an evaporator is electrically heated and then blown to an electric ion electrode of an ion sterilization module. In the embodiment of the invention, the air conditioner controls the reverse rotation of the indoor draught fan and the starting of the electric auxiliary heating according to the changevalue of the indoor environment humidity, so that the air passing through the evaporator can be electrically heated and then blown to the electric ion electrode of the ion sterilization module, the adjustment rate of the ambient humidity of the ion sterilization module is improved, the corona discharge phenomenon generated between positive and negative ion emission electrodes is reduced, noise generated by the corona discharge phenomenon is reduced, and the user experience is improved. The invention further discloses a device for air conditioner control and an air conditioner.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +2
Single-suggested operation area hydroelectric generating set active power control method
ActiveCN111740452AImprove stabilityImprove simplicitySingle network parallel feeding arrangementsAutomatic Generation ControlControl function
The invention discloses a single-suggested operation area hydroelectric generating set active power control method, which belongs to the technical field of hydroelectric generation control. An automatic power generation control function is divided into a power station-level AGC module, a unit-level PLC module and a unit-level speed regulator module, then tasks are allocated, and parameters, assignment relationships and dependency relationships are determined; and an intermediate table containing all possible distribution modes of AGC control units and corresponding combined operation intervalsare established, the optimal unit distribution mode of the units which are put into AGC control is determined, an AGC active distribution value of a single unit is calculated, and active power control on hydroelectric generating sets in a single suggested operation area is carried out. The method is suitable for hydropower stations of which intervals are sequentially divided into a vibration area1, a limited operation area, a vibration area 2 and a suggested operation area unit type from low to high. The single-unit AGC active power distribution value and the single-unit AGC active power setting value of each unit can be quickly calculated according to the total active power setting value of the hydropower station, and meanwhile, the operation requirements of the units for avoiding a vibration area and a limited operation area are met.
Owner:HUANENG LANCANG RIVER HYDROPOWER +1
Automatic adjustment control method and system for supercritical thermal power generation set
ActiveCN110011334AImprove performance indicatorsIncrease adjustment ratePower oscillations reduction/preventionAuto regulationControl system
The invention discloses an automatic adjustment control method and system for a supercritical thermal power generation set. The method comprises that the time length T of an adjustment signal and themagnitude P of the adjustment amplitude are collected; according to preset correspondence between the signal characteristic of the adjustment signal and start of an energy storage module, start setting of the energy storage module corresponding to the signal characteristic to which the time length T and magnitude P of the adjustment amplitude belong is found; and the energy storage module is set and started according to the signal characteristic of the adjustment signal, and the energy storage module is controlled to adjust the system frequency. According to different time lengths of the dispatching signals and signal change adjusting amplitudes of a power dispatching department, different energy storage modules are combined flexibly, the dispatching requirement is met, and the whole hybrid energy storage system runs efficiently, safely and stably.
Owner:深圳赛诺凡尔纳能源有限公司
External wall thermal insulation decorative plate
InactiveCN113338563AGuaranteed comfortIntelligent adjustment of heat resistance effectCovering/liningsLighting and heating apparatusInsulation layerThermal insulation
The invention belongs to the technical field of wall decoration, and particularly relates to an external wall thermal insulation decorative plate which comprises a main body, a heat conduction mechanism and an adjusting pipe. The main body comprises a decorative layer, a heat resistance layer, a heat preservation layer and an adhesion layer. According to the external wall thermal insulation decorative plate, by arranging an outer heat conduction part, an inner heat conduction part and a heat exchange cavity, the outside temperature and the indoor temperature are judged through the adjusting pipe, and the proper temperature is determined by adjusting the kerosene adding content in the adjusting pipe, so that in the temperature change process of one day, the heat exchange cavity is effectively separated from the outside, heat conduction or heat blocking is conducted indoor, and the heat insulation effect of a heat insulation board is effectively and intelligently adjusted within one day when the temperature changes. Therefore, heat exchange is conducted between an indoor space and an outside space in the morning and dusk temperature change process, high temperature and low temperature accumulated in the indoor space are effectively released to the outside space, and heat insulation is conducted on the outside space and the indoor space when the external environment is extreme, so that the comfort of the indoor environment is effectively maintained.
Owner:谭涵
Hard-shell battery and battery housing thereof
PendingCN109950434AStable thermostatIncrease adjustment rateCell component detailsEngineeringElectrical and Electronics engineering
The present invention relates to a hard-shell battery and a battery housing thereof. The hard-shell battery comprises a cell and a battery housing coating the cell, the battery housing is internally provided with a medium channel used for circulation of a heat transferring medium, the battery housing is provided with an inlet used for flow-in of the heat transferring medium and an outlet used forflow-out of the heat transferring medium, the battery housing is provided with the inlet and the outlet, and the battery housing is internally provided with a medium channel. The heat transferring medium flows in the medium channel of the battery housing and flows out through the outlet, the heat transferring medium is subjected to heat exchange with the cell coated with the battery housing to achieve the purpose of temperature regulation of the hard-shell battery. The hard-shell battery and the battery housing thereof with stable temperature regulation and high regulation rate are provided.
Owner:ZHENGZHOU YUTONG BUS CO LTD
Air conditioning system and control method thereof
ActiveCN112013504ARealize interconnectionDoes not affect flexibilityMechanical apparatusSpace heating and ventilation safety systemsControl systemControl engineering
The invention provides an air conditioning system, which can implement more centralized and unified intelligent control on each set of split-type air conditioner in the system, and in the process of additionally arranging the air conditioner, the additionally arranged air conditioner can be conveniently combined into the original control system for unified control. The air conditioning system provided by the invention comprises a plurality of sets of split air conditioners, wherein each set of split air conditioner is composed of an outdoor unit and an indoor unit which are connected with eachother; a plurality of wireless communication modules, wherein each wireless communication module is electrically connected with the main board of the indoor unit of each split air conditioner; and arouter which is provided with a first communication channel which is in wireless communication connection with a plurality of wireless communication modules or other wireless communication equipment,wherein the indoor unit is an air pipe type indoor unit with a shell.
Owner:DAIKIN IND LTD
Excitation power supply device of superconducting synchronous phase modifier
PendingCN114597919AHigh precision continuously adjustableGuaranteed safe operationSingle network parallel feeding arrangementsPolyphase network asymmetry elimination/reductionExcitation currentEngineering
The invention discloses an excitation power supply device of a superconducting synchronous phase modifier, which comprises a three-phase rectifying device used for providing direct current voltage at a bus side, an adjusting module used for adjusting total excitation current, a protection module used for ensuring safe operation of the device, and a digital control module used for realizing high-precision continuous adjustment of voltage and current of an excitation winding. According to the excitation power supply device for the superconducting synchronous phase modifier, the problem that reactive output of the superconducting synchronous phase modifier is unbalanced due to large excitation current ripples is solved, and the working reliability of the superconducting synchronous phase modifier is improved.
Owner:GUANGDONG POWER GRID CO LTD +1
Novel low-pressure casting mold
The invention provides a novel low-pressure casting mold. The novel low-pressure casting mold comprises mold lower mold bodies arranged on a workbench. The mold lower mold bodies comprise the fixed lower mold body and the sliding lower mold body arranged below the fixed lower mold body. A sliding groove is formed in the side face of each fixed seat. A limiting rod arranged on the outer portion of each fixed seat penetrates the corresponding sliding groove to be fixedly connected with the sliding lower mold body. The other ends of the limiting rods are connected with hydraulic cylinders through fixed rods. Multiple through holes are formed in each limiting rod. Sliding rails are arranged on the workbench. An adjustable cleaning device is in sliding connection to the sliding rails. According to the novel low-pressure casting mold, replacement of rapid wear parts and mounting and demounting of water cooling pipes are facilitated; cost waste is reduced; universality is high; machining is facilitated; it is guaranteed that a casting hole can be cleaned while quick water cooling is achieved; the quality of finished products is guaranteed; only local portions are replaced for different workpieces; and the machining cost is reduced.
Owner:大川精工(朝阳)有限公司
Control method and device for mobile air conditioner
ActiveCN111174318BIncrease adjustment rateMechanical apparatusSpace heating and ventilation safety systemsTarget controlFresh air
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
Control method and device of movable air conditioner
ActiveCN111174332AImprove liquidityIncrease adjustment rateMechanical apparatusSpace heating and ventilation safety systemsFresh airEngineering
The invention discloses a control method of a movable air conditioner, and belongs to the technical field of air conditioners. The movable air conditioner comprises a draught fan. The method comprisesthe steps that the position of a ventilation device is obtained; a moving range of the movable air conditioner is determined according to the position of the ventilation device; and the position of the movable air conditioner and the draught fan are regulated so as to cooperate with the ventilation device to exchange fresh air. According to the control method, the air exchange range of the ventilation device is limited, the moving range of the movable air conditioner is determined according to the position of the ventilation device, and the movable air conditioner is regulated to blow air inthe moving range, so that convection is formed between the movable air conditioner and the ventilation device, the air mobility is improved, and the conditioning speed of indoor air is increased. Theinvention further discloses a control device of the movable air conditioner.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
Control method and device for mobile air conditioner
ActiveCN111174332BImprove liquidityIncrease adjustment rateMechanical apparatusSpace heating and ventilation safety systemsControl engineeringFresh air
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
Control method and device for movable air conditioner
ActiveCN111174333ALarge temperature adjustment rangeIncrease adjustment rateMechanical apparatusSpace heating and ventilation safety systemsPhysicsIndoor air
The invention discloses a control method for a movable air conditioner, and belongs to the technical field of air conditioners. The movable air conditioner comprises a semiconductor temperature regulator, a heat storage device and a draught fan. The method comprises the steps that the air outlet direction and the air outlet speed of a fixed air conditioner are obtained; a moving range of the movable air conditioner is determined according to the air outlet direction and the air outlet speed; and the position of the movable air conditioner and the draught fan are regulated so as to change the conditioning range of outlet air of the fixed air conditioner to indoor air. According to the embodiment, the conditioning speed of the indoor air is increased. The invention further discloses a control device for the movable air conditioner.
Owner:CHONGQING HAIER AIR CONDITIONER CO LTD +2
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