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ID:52977204
大小:1.44 MB
页数:6页
时间:2020-04-05
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1、Mar.2015HydromechatronicsEngineeringVo1.43No.6HydromechatronicsEngineeringhttp-//jdy.qks.cqut.edu.cnE—mail:jdygcyw@126.cornOptimaldesignforamplifierofjetdeflectorservovalveYao—xingSHANG,Xiao—shuZHANG,Chang—weiHU,ShuaiWU(SchoolofAutomationScienceandElectric
2、alEngineering,BeihangUniversity,Belting100191,China)Abstract:Inviewoftheexcellentfeaturesoftheetdeflectorservevalvewithcomparisonofothervalveproductsbutlackofitsdomesticrefined,theoptimaldesignofitskeystructure,amplificationstage,isproposed.TheCADsoftwarei
3、susedtomakemodelfortheamplificationstageflowfieldoftheietdeflectorservovalve,andsev—eralmodelsaremadeforthestructuresizewhichneedtobedesigned.Thenthesemodelsareproperlydividedintomeshin0rdertoanalyzeitsflowfieldsothatwecangetthedistributionconditionofthefl
4、owpressureandvelocityondifferentstructuresizeandmovingsituation.Atlastthroughanalyzingtheexperimentdataandsurfacefitting,theanalyzingresultandworkingsurfacecouldbeusedtoguidetheparameterselectionbyselectinggoodworkingpoint,namelytheparameteroptimization.Ke
5、ywords:Jetdeflectorservovalve,Flowfieldanalysis,Parameteroptimization,Surfacefittingdoi:10.3969/j.issn.1001-3881.2015.06.003Documentcode:ACLCnumber:TP2lltienofthedeflectionplate『5].ItcanbeseeninFig.1Introductionure1thattheminimumsizeofthenozzleflappertypei
6、sabout0.03—0.05mm,whilethatoftheietdeflec—Theietdeflectorservovalveisarelativelynewkindtionplatetypeisabout0.2—0.3mmwhichisanor-ofelectro—hydraulicservovalve,whichmainlyconsistsderofmagnitudehigherthantheformer.Sothelargerofthetorquemotorcomponents,valveco
7、mponentsandparticlesimpuritiescaneasilygetthroughwhichthedeflectionplateamplifiercomponents[1-2].meanstheabilityofresistingpollutionofthejetde—Comparedwiththecurrentmainstreamones,suchasflectorplatetypeisgreatlyimproved[6].Inaddi—thenozzleflapperservovalve
8、andthejetpipeservotion,evenifthereisablockageinthenozzleofthevalye,Ithasmoreadvantagesf34].Themaindiffer-later.thevalvespoolwillautomaticallyreturntotheencebetweenietdeflectorservovalveandthenozzleequilibrium
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