您好,欢迎访问三七文档
QUANTANBDCQuantaConfidentialNoteBookMechanicalDesignGuidePreparedby:WeiLeeApprovedby:ArthurLiu04/09/14QuantaConfidentialQUANTANBDC2TotalNotebook组成部分:1.Lcdassembly2.Topassembly3.Baseassembly图001QuantaConfidentialQUANTANBDC3ReservegapbetweenlcdpanelandkeyboardLCDbezelTopcoverLCDpanelOtherkeySpacekeyspacekeyishigher0.5~1.0mmthanotherkeythicknessofLCDbezelgap0.8~1.2mmbetweenlcdbezelandtopcover1.5mm0.5mm0.5~1.0mm0.8~1.2mmGapshouldbereserved2.5mmbetweenLCDpanelandkeyboardGap:0.5+1.5+1.0-0.5=2.5mmGapforvibration测试。防止lcdpanel压到keyboard,产生压痕Total_GapLCDBKTT=0.5mm0.8mmLCDcoverAlfoilsponge图002Gap0.8mmbetweenlcdcoverandlcdpanelQuantaConfidentialQUANTANBDC4LcdbezelLcdbrackethingeLcdcableInverterassyLcdshieldingantennaLcdpanelLcdcoverspongeLcdhookLcdknobLcdrubberMicrophonecableLCDAssembly(1)_TotalLcdmodule各组件名称:图003QuantaConfidentialQUANTANBDC5LCDAssembly(2)_Total1.Total(1).Lcdassy包含Lcdcover,lcdbezel,lcdhook,lcdbracket等主要部分,以及hinge,LCDshielding,sponge,Lcdcable等机构件,此外尚包括Lcdpanel,inverterassembly,wirelessmodule,antenna等电子组件.(2).Lcd有12”,13.1”,14.1”,15”…….等多中尺寸,同一机种可能会使用两种以上的尺寸,考虑到模具的公用性,而需以changecore来配合不同尺寸的panel.(3).Lcdpanel,inverterPCB,等电子组件的尺寸规格,应于设计前向厂商取得,以利空间预留及安排.QuantaConfidentialQUANTANBDC6LCDAssembly(3)_LcdHook0.5mm2.0~2.54.0mm(2.0+0.5+0.5=4mm)LcdhookTopcover2.Lcdhook之gap(图004)(1).滑动面之gap0.7mm.(2).卡合距离为2.0~2.5mm,预留0.5mmclearance.(3).Topcover与lcdhook配合孔处须有R角或C角,以利卡合动作顺利.(4).Lcdhook卡合后,水平举起lcdmodule两侧下缘,lcdhook不可松脱,至少能承受机器本身之重量。(5).从top配合孔处不得看到内部PCB板。否则PCB板加贴黑色mylar.0.7mm0.7mm1.0mm0.8mmLcdmodule合至0º时,lcdhook与topcover卡合,此时,lcdrubber与topcover干涉,lcdrubber之厚度产生弹性变形,1.0mmÆ0.8mm.使得lcdhook与Topcover卡合之勾配面gap为0。(图004&图005)Lcdmodule为斜面,3º~5ºGap为04.5mm倒CorR0.5mm图004图005QuantaConfidentialQUANTANBDC7LCDAssembly(4)_LcdHook3.Lcdknob0.3mmX0.10.10.10.1LcdCoverX=L+S+2*0.5Lcdhook的行程S由lcdcover上的孔长度X来决定Addrib使lcdknob与lcdcover的面接触改为线接触,利于滑动(图006).L两侧Gap0.5mmX:lcdcover与lcdknob配合孔之宽度(图009).S:lcdknob之行程0.5:lcdknob与lcdcover配合单边预留之gap(图009)另一种配合方法:lcdknob与lcdcover用螺丝锁附(图011).图006图008图007图009图010图011QuantaConfidentialQUANTANBDC84.LcdPanel:LCDAssembly(5)_LcdPanelLcdbezelLcdpanelActiveareaLcdpanel之X方向基准面Lcdpanel之Y方向基准面Activearea(黄色线之内区域)向外offset0.5mm为Lcdbezel内框尺寸(图012).0.5mmAA0.5mmA-A剖视图LcdbezelLcdpanelLcdbracketLcdmetalActivearea图012QuantaConfidentialQUANTANBDC9LCDAssembly(6)_LcdBracket5.LcdBracket:(1).材质通常为SUS301,t=0.8~1.2mm,(12”,13”机器建议0.8mm,14”,15”建议1.0mm,17”为1.2mm)(2).锁附Lcdpanel的开孔,除一孔为圆孔定位孔外,其余皆为椭圆孔以利吸收公差(图013).(3).hinge下方锁附螺丝处须加定位孔,(图015).(4).如果是一字型hinge,与basechassis锁附螺丝处厚度建议为1.5mm.(图016&图018).Ø2.0mm定位孔椭圆孔若有空间,higne上方与lcdcover锁附螺丝孔处设计定位孔图013图014QuantaConfidentialQUANTANBDC10LCDAssembly(7)_LcdBracketHinge下方basechassis上diecasting锁螺丝处须设计定位孔(左,右hinge各2个),避免lcdmodule与basechassis组装左右偏位。厚度建议为1.5mm图015图017图016图018QuantaConfidentialQUANTANBDC11LCDAssembly(8)_Hook6.LCDcover&LCDbezel之设计(1).卡构一般50~60mm一只为安全,卡构宽度为10mm,若bezel边较窄,则以40mm一支卡构较好。卡合距离为0.5~0.6mm(图019).图019QuantaConfidentialQUANTANBDC12LcdcoverhookLCDAssembly(9)_Hook0.2mm0.2mm0.5mmGapis0~0.1mm两个面斜度7°~9˚LcdcoverLcdbezel图020图021(2).卡构之建议尺寸如下(图021).:QuantaConfidentialQUANTANBDC13LCDAssembly(10)_Hook(3).如下所示,如锁螺丝之boss与边缘距离X较大,lcdmodule此处须涉及卡构,避免lcdcover&lcdbezel之间gap.XX卡构卡构机器尺寸较大时(15”,17”),lcdbezel中间位置须加rubber,以免lcdpanelTouch到keyboard.卡构卡构如有空间,此处加卡构此处,两支boss位置于接近下边缘愈加图022QuantaConfidentialQUANTANBDC14Better易加工中间一小段为直线,两侧为圆弧,便于顺利卡合Hook10mm10mmLCDAssembly(11)_Hook8mm8mm卡构和rib结构在lcdcover上,因lcdcover相对lcdbezel强度较大,不易变形(图025).(4).卡扣结构在lcdbezel侧右视图图023图025图026图024QuantaConfidentialQUANTANBDC15LCDAssembly(12)(5).锁附hinge用之boss以rib相连之lcdcover侧壁,增加强度。rib不可太厚0.6mm~0.8mm即可,以免母模面缩水,或有应力痕。Rib最顶端肉厚不得小于0.5mm,否则成型时不易填充。(图027).(6).Lcdbezel上两卡构的作用是,防止bezel组装时,bezel内框与panel间gap过大,卡构方向须与bezel底边卡构方向相同(图029).图028图027图029QuantaConfidentialQUANTANBDC16LCDAssembly(13)_Rib•Rib挡墙0.50.50.1or00.1~0.20.2~0.30.1~0.2不同之处7.卡构的中间须有Rib作为挡墙(图030),防止cover&bezel相对滑动。卡构间的卡合靠卡构的变形来完成,Rib不可离卡构太近,不利其变形卡构卡合间相互变形。rib厚度为0.8~0.6mm。尺寸建议如图031&图032卡构卡构R建议1.5~2.0mmforEMI同一高度平面图030图031图032QuantaConfidentialQUANTANBDC17LCDAssembly(14)_Boss8.Bezel与cover组装后的tolerance如下:LcdbezelBracketshieldingLcdcoverLcdbezel,Lcdcover,Lcdshielding,HingeBracket四个part用一颗screw固定,它们的公差都会累积在此处,所以Lcdcover&Lcdbezel上的boss须预留tolerance,开模时boss的高度为下限,便于修模。预留gap0.1~0.2mm图033QuantaConfidentialQUANTANBDC18LCDAssembly(15)_LcdShielding&Cable9.LCDshielding:其材质通常为Alfoil加一层透明的Mylar补强,组立在Lcdcover与Lcdpanel之间,防EMI&ESD,t=0.1~0.15mm(含背胶)注:一般lcdcover公模面贴lcdshieldingforEMI&ESD.lcdshielding材质Alfoil较好,不建议用SUS,如lcdcover强度不够,增加lcdcover肉厚来改善亦可用局部增加肉厚方法,eg.增加lcdcover四周侧壁之肉厚来达成增加强度的效果。BracketShieldingLcdcover(1).须与LcdBracketorhingebracketcontact以利EMI&ESD(2).须设定位孔,以利组装(3).Nut上shielding不可有背胶,以免造成screw松脱(图034).不可有背胶10.LcdCable:(1).cable若有转角,加弧度,cable较不会摇断(2).lcdcable出线端,须预留接地线,以螺丝锁附接地,以利EMI.图034QuantaConfidentialQUANTANBDC19LcdAssembly(16)_Rubber11.RubberFoot(rubber硬度一般为65-75):rubber高于bezel面1mmLcdmodule完全闭合时,其作用:(1).防止lcdmodule撞到basechassis.保护lcdpanel,以免contact到keyboard.(2).利于吸收公差.LcdbezelRubberfootRubber直接粘贴在screw上,易脱落,贴附不牢固Rubber粘贴在lcdbezel(塑胶)上,不易脱落BetterBetter1mm0.4~0.5mm图035图036图037QuantaConfidenti
本文标题:广达笔记本结构设计
链接地址:https://www.777doc.com/doc-6352193 .html