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ID:32198418
大小:1.44 MB
页数:6页
时间:2019-02-01
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1、Mar.2015HydromechatronicsEngineeringVo1.43No.6HydromechatronicsEngineeringhttp-//jdy.qks.cqut.edu.cnE—mail:jdygcyw@126.cornOptimaldesignforamplifierofjetdeflectorservovalveYao—xingSHANG,Xiao—shuZHANG,Chang—weiHU,ShuaiWU(SchoolofAutomationScienceandElectricalEngineer
2、ing,BeihangUniversity,Belting100191,China)Abstract:Inviewoftheexcellentfeaturesoftheetdeflectorservevalvewithcomparisonofothervalveproductsbutlackofitsdomesticrefined,theoptimaldesignofitskeystructure,amplificationstage,isproposed.TheCADsoftwareisusedtomakemodelfort
3、heamplificationstageflowfieldoftheietdeflectorservovalve,andsev—eralmodelsaremadeforthestructuresizewhichneedtobedesigned.Thenthesemodelsareproperlydividedintomeshin0rdertoanalyzeitsflowfieldsothatwecangetthedistributionconditionoftheflowpressureandvelocityondiffere
4、ntstructuresizeandmovingsituation.Atlastthroughanalyzingtheexperimentdataandsurfacefitting,theanalyzingresultandworkingsurfacecouldbeusedtoguidetheparameterselectionbyselectinggoodworkingpoint,namelytheparameteroptimization.Keywords:Jetdeflectorservovalve,Flowfielda
5、nalysis,Parameteroptimization,Surfacefittingdoi:10.3969/j.issn.1001-3881.2015.06.003Documentcode:ACLCnumber:TP2lltienofthedeflectionplate『5].ItcanbeseeninFig.1Introductionure1thattheminimumsizeofthenozzleflappertypeisabout0.03—0.05mm,whilethatoftheietdeflec—Theietde
6、flectorservovalveisarelativelynewkindtionplatetypeisabout0.2—0.3mmwhichisanor-ofelectro—hydraulicservovalve,whichmainlyconsistsderofmagnitudehigherthantheformer.Sothelargerofthetorquemotorcomponents,valvecomponentsandparticlesimpuritiescaneasilygetthroughwhichthedef
7、lectionplateamplifiercomponents[1-2].meanstheabilityofresistingpollutionofthejetde—Comparedwiththecurrentmainstreamones,suchasflectorplatetypeisgreatlyimproved[6].Inaddi—thenozzleflapperservovalveandthejetpipeservotion,evenifthereisablockageinthenozzleofthevalye,Ith
8、asmoreadvantagesf34].Themaindiffer-later.thevalvespoolwillautomaticallyreturntotheencebetweenietdeflectorservovalveandthenozzleequilibrium
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