外文翻译--超声波工作原理.doc

TheworkingprincipleofultrasonicAdditionalonlineatscreeningultrasoundvibrationwavemechanicalwaves,sothatacceptanceofultrafinepowderprecursorenormousultrasonicacceleration,therebyinhibitingtheadhesion,friction,flatdown,wedging,etc.Netblockingfactors,screeningefficiencyandimprovetheefficiencyofclearanceNet.UltrasonicProductDescriptionUltrasonicVibratingScreenis220V,50Hzor110V,60Hzpowerinto18kHzhighfrequencyelectricalenergy,typeultrasonictransducer,turningitinto18kHzmechanicalvibration,toachievetheefficientscreeningandclearanceNetpurposes.Thesystemisatthebasisofthetraditionalshakersieveonlineattheintroductionofalowamplitude,highfrequencyultrasonicvibrationwavemechanicalwaves,AdvancedMicroDevicesinordertoimprovethescreeningpropertiesofbodysegments.Particularlysuitableforhighvalueaddedfinesplitusers.TechnicalparametersofultrasonicMaximumoutputpowerofultrasound200WeffOutputvoltage900VeffmaximumMaximumOutputCurrent1AcurrentlimitFuse100120V2x2.5Asloblo200240V2x1.25AslobloModecontinuousmode100dutyfactorpulsecycle1Hzmodulationmode50dutyfactorPulsemode10Hzmodulation70dutyfactorLevelprotectionIP65PollutionLevel2UltrasonicinstallationspecificationWeight6.6kgElectricalconnection200240V±10/1Amaximum100120V±10/2AmaximumFrequency50/60HzAmbienttemperature045°CInstallationcategoryIIJobLocationinterior,elevationisnothigherthan2000mUltrasonicVibratingScreenPowerUltrasonicVibratingScreenVibratingScreenultrasonicpowerarethecoretechnologytosolvetheproblemscreenmeshplughasplayedavitalrole,sothatshakersievingparticlescanbemoresophisticated,efficientscreening,awiderscopeofapplication.UltrasoundNetcomtoexpandtheuseofultrasoundsystemsUsingthesameultrasonicpowersupply,connectaclearNettransducer,ultrasonictransducerradiatingwiththeNetsplugcontact,therelativedisplacement,youcanplugthemouthofClearNetobjects.Withquicklyandefficiently,toimprovethequalityofclearanceNet,Netmouthdoesnotchangesize,nottoharmthesurfacequalityofwiremesh,etc.,canbewidelyusedscreeningtestsieveandwork.ModeleffectivescreendiametermmPowerScreenSpecificationsTypetheeffectivediameterofscreenmmpowerKwthespecificationofthescreenS49600φ5200.37100500meshS49800φ7200.55100500meshS491000φ8901.1100500meshS491200φ10901.1100500meshS491500φ13902.2100500meshThepowersourceiselectronicinstallationsessentialfunctionalmodule,itsperformancefitandunfitqualityimmediateinfluencetoelectronicinstallationstechnicalperformanceandreliability.Thisarticleintroducedthe25V/1Aswitchingpowersupplysstructure,theprincipleandthedesignprocessandsoon.Theentirepowersourcebytheinputcircuit,thelevelingcircuit,thefeedbackcircuit,theovervoltageprotectionelectriccircuit,theoverflowprotectioncircuit,fromrestorestheelectriccircuit,theoutputcircuitandsoon,butalsohasthesoftstartfunction.Theswitchingpowersupplyhastheefficiencytobehigh,thevolumeissmall,theweightislight,thereliabilityishigh,theloadsharesandsooneasilyaseriesofcharacteristics.Thistopicusestheswitchingmodeistheentirebridgeallcontrolstherectificationfilter,moreoverthepowersourcehasalsoutilizedthesoftswitchtechnology,causesitslosstoreduceobviously,theDCDCtransformationusecutsthewaveboostedcircuittorealize,thestructureissimple,thetransferefficiencyishighSelectsthesmallbreakoverresistance,thehighshutterspeedP60N06tubefortheswitchingvalve,toselectthequickrecoverydioderectification,reducesthereversebreakovertime,reducestheloss.Hasrealizedthedesignrequirementsthroughtheexperimentalverificationelectriccircuitcompletelythebasicquota,andtheDCDCconversionefficiencyachieves85.Thecircuitdesignalsohasmanyinsufficiencies,eachdesigntargetalsowaitsforfurtherenhancing.超声波工作原理附加在筛网上的超声振动波（机械波），使超微细粉体接受巨大的超声加速度，从而抑制粘附、摩擦、平降、楔入等堵网因素，提高筛分效率和清网效率。超声波产品说明超声振动筛是将220V、50Hz或110V、60Hz电能转化为18KHz的高频电能，输入超声换能器，将其变成18KHz机械振动，从而达到高效筛分和清网的目的。该系统在传统的振动筛基础上在筛网上引入一个低振幅、高频率的超声振动波（机械波），以改善超微细分体的筛分性能。特别适合高附加值精细分体的用户使用。超声波技术参数最大超声输出功率200Weff输出电压最高900Veff最大输出电流1A（限制电流）保险丝100120V2x2.5Asloblo200240V2x1.25Asloblo工作模式连续工作模式100占空系数循环脉动工作模式1Hz调制50占空系数脉动工作模式10Hz调制70占空系数保护等级IP65污染等级2超声波安装规范重量6.6kg电气连接200240V±10/1A最高100120V±10/2A最高频率50/60Hz环境温度045°C最高相对空气温度30C下80安装类别II工作位置室内，海拔不高于2000m超声波振动筛电源超声波振动筛电源是超声波振动筛的技术核心，对解决筛网网孔堵塞问题起到了至关重要的作用，使振动筛能筛分的颗粒更精细，筛分的效率更高，适用范围更广。超声网通超声系统扩展使用用同一个超声电源，连接一个清网换能器，用超声换能器的辐射面与被堵塞的网面接触，相对位移,即可清除网口的堵塞物。具有快速高效、改善清网质量、不改变网口尺寸、不伤害丝网表面质量等优点,可广泛应用于试验筛和工作筛。型号有效筛分直径mm功率筛网规格TypetheeffectivediameterofscreenmmpowerKwthespecificationofthescreenS49600φ5200.37100500meshS49800φ7200.55100500meshS491000φ8901.1100500meshS491200φ10901.1100500meshS491500φ13902.2100500mesh电源是电子设备的必不可少的功能模块，其性能的优劣直接影响到电子设备的技术性能和可靠性。本文介绍了25V/1A的开关电源的结构、原理和设计过程等。整个电源由输入电路、整流电路、反馈电路、过压保护电路、过流保护电路、自恢复电路、输出电路等，还具有软启动功能。开关电源具有效率高、体积小、重量轻、可靠性高、负载分担容易等一系列特点。本课题采用的开关方式是全桥全控整流滤波，而且电源还运用了软开关技术，使它的损耗明显降低，DCDC变换使用斩波升压电路来实现，结构简单，转换效率高选用小导通电阻、高开关速度的P60N06管为开关管、选用快速恢复二极管整流，减少反向导通时间，降低损耗。通过实验验证电路实现了设计要求的全部基本指标，并且DCDC变换效率达到85。电路设计还有很多不足，各项设计指标还有待进一步提高。