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ID:34616396
大小:1.75 MB
页数:66页
时间:2019-03-08
《超高频感应加热电源的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、蟥川大学硬士学位论文(20(t5)超高频感应加热电源的研究奄力电子与泡力传动专效研究生白平糖静教师张代澜自工业上开始应用感应加热技术以来,已有将远80年历史了。旋这期闻,感应加热理论和感应加热装爨都蠢缀大的发展。在应耀领域方露,感应加热可用于金属熔炼、透热、热处理和焊接等过程,已成为冶惫、翻防、枫械加工等部门及船舶、飞机、汽车等制造业不可缺少的技术。此外感应加热正不断的进入入们的家庭生活中,例如电磁炉等都是依靠感应积热骤理工作的。惑应夯疆热电源毅术的发麓趋势是离频化、大容爨优、餐能化和绿色化。膂篱麴胬频感应潮热奄源频率在凡百予赫左右,技术既较成熟。本文以困惑裹频
2、感应翅热电溅为醭突对象,檄臻奔绥了感应趣熬戆蓥零理论及感应趣热技术熬发震翻应题。分亳露了基藩露援懿感应热热惫源的李嚣羚结捣,对常用的串、并联拓扑结构进行了比较分辑,怒出串联型逆变爨接羚更适合感应加热电源。本文给出了整机的设计方案,包括工频变压器设计、系统主电路设计、输入滤波曦路设计、四路驱动信号电路控制设计、高频变压器设计和过流傈护设计等,并运沼ToPSwitch单片纠:关设计了±15V及5V、酾路独立的20V工作电源。通过对驱动电路韵合理设计和元器件的选择减少了外部予抗。分橱了魉入缓冲极毫容减三
3、)器件损耗鹩躲理。本文还针对系统主电路设诗遴抒了谤爨,魄较了撵入
4、缓狰辍毫箨对关繇损耗麓澎嫡。并绘窭了仿真波形。本文设计了开关频率为1MHz的小功率感应加热电源实验装置,其实验结果表明该越离频电源达到设计要求。【关镰谣】超高额窜联逆褒感敷热热塑型查笺鎏杰璧垒笙奎!!!塑!ResearchonPowerSupplywithUltrahighFrequencyforInductionHeatingApplicationsPowerElectronicsandElectricDrivesPostgraduateBaiPingSupervisorZhangDairunIthasbeen80yearsthatsincetheinduct
5、ionheatinghasbeenappliedinindustry,Theoryandequipmentofinductionheatinghasdevelopedthisperiod.Inapplicationsfield,inductionheatingapplytomelting、fullyheating、heattreatmentandjointing,anditisaimportantenergysourcesinmanyindustriessuchasmetallurgy、nationaldefense、machine-drivenindustry
6、.Moreover,theinductionheatingiscomingintofamilylife,suchasinductioncookerForthefuture,technologyofinductionheatingpowerwilldeveloptohighfrequency、greatcapacitance、intelligenceandgreen。Currently,thehighfrequencyinductionheatingpowercanfunctioninafewhundredKHz,andit'stechnologyisquitem
7、aturation。Thispaperintroducessimplythedevelopmentandapplicationofinductionheatingtechnology,andthebasicknowledgeofinductionheating.Ithasanalyzedthetwomaintopologiesthatareoftenusedininductionheatingpowersupply,andhasdrawnaconclusionthatavoltage-sourceseries—resonantinveaeradap协
8、。indu
9、ctionheatingpowersupply.Theelectricaldesignofthewholepowersupplyisgiveninchapterthree.Thecontroldiagramofrectifier,jnVeneLdriverandprotectioncircuitareallgivenhere.Ithasdesignedpowersupplyon土15V,5V,20VwithTOPSwitch。Thegooddesignofdrivercircuitandthechoiceofcomponente8ndecreaseexterio
10、rdisturbands
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