温度保险丝工作原理

NOTE:CONTAINSCONFIDENTIALINFORMATIONMarch2010温度保险丝工作原理

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ARLIN

Thermal-Links

ARLIN热熔断体3A.R.ConfidentialARLIN®offers21ratingsofThermal-links(ARLIN®提供21种断开温度的热熔断体)4A.R.ConfidentialProductFeatures

产品特点

AreliableproductsoutputisdependsonOptimizedProcess,evenit’stheperfectdesign.就算是最优异的设计，也需要依靠优异的生产方式来实现稳定可靠的产品。5A.R.ConfidentialCASEANDLEAD外壳线脚THERMALPELLET热敏丸BARRELSPRING桶型弹簧TRIPSPRING断路弹簧DISC圆片STARCONTACT星触片CERAMICBUSHING绝缘陶瓷EPOXYSEALING密封胶ISOLATEDLEAD独立线脚BARRELSPRING桶型弹簧DISC圆片CASEANDLEAD外壳线脚STARCONTACT星触片ISOLATEDLEAD独立线脚EPOXYSEALING密封胶CERAMICBUSHING绝缘陶瓷TRIPSPRING断路弹簧CLOSED闭合OPEN断开ARLIN

typeF00cross-sectionalview

(F00型热熔断体横截面)6A.R.ConfidentialProductFeatures产品特点Samplefromoneofourcompetitors

某品牌热熔断体ARLINF00ThermalLinksARLIN热熔断体7A.R.ConfidentialCoreAdvantage核心优势Excellentlysensitivetoambienttemperature优异的环境温度感应StableandPreciseoperation-TheactualoperatingTemperatureofARLINF00SeriesisonTf-1℃～Tf

-5℃稳定而精准的动作

-ARLINF00全系实际动作温度均落在额定温度的-1℃～-5℃以内Longerworkinglife超长可靠工作寿命Excellentlybendingability-theleadwirecanbebentatadistancelimit3mmfromthebodyofthefuse

优异的弯折性能

-ARLINF00全系线脚弯折极限可达3mmLowinternalresistance-TheinternalresistanceofARLINF00Seriesislowerthan1mΩ超低内阻

-ARLINF00全系内阻值均低于1mΩ8A.R.Confidential

1.HighQualityMaterialSource

稳定可靠的高品质原料来源

2.AutomaticProductionLine

自动生产线

3.AutomaticSortingLine

自动全检

4.WorldClassLab

世界级的实验室

5.TPM

全员维护计划

6.LeanManufacturer

精益生产

7.ApplianceProblem-SovlenAbility

丰富的应用解决能力

HowWeGuaranteetheReliabilityofARLIN

如何保证ARLIN的可靠性9A.R.ConfidentialARLIN

Thermal-linksofferacriticaldesignadvantageoverothermanufacturersOnlyCd-freeheterogeneousmaterialcomposition(90%Silver)usedascontacts(Ourlocalcompetitorsareusingslivercoatedmaterials).

我们的热熔断体触点使用一种无镉银合金材料(一些对手使用镀银材料))Ourmaterialminimizesthe“cold-bonding”phenomena,whichoccursasafunctionoftemperature,pressure,andtime.(我们的材料能使在一定的温度,压力和时间下发生的冷焊现象减少到最小)“Like”atomshaveapropensitytoformachemicalbond.(类似的原子有形成一个化学键的倾向)10A.R.ConfidentialOurworld-classThermal-LinksQualityassuranceprocess我们有世界级的热熔断体制造工艺流程11A.R.Confidentialworld-classThermal-linklaboratory

我们有世界级的热熔断体实验室Ourstate-of-the-artthermal-linksanalysislab

我们非常专业的热熔断器分析实验室拥有:Temperatureandhumiditycycleconditioningoven温湿循环测试炉CItester/Tmaxtester/CHATtester

CI/Tmax/CHAT测试仪

AgeingOvens老化测试炉X-raycapabilitiesX-ray能力ChemicalAutomatedMeltingPointSystem化学品熔点测试仪Providesprecisematerialchemicalmeltingtemperatures提供精确的化学品材料融化温度OilBath测试油槽Measuresthepreciseopentemperature

ofthethermal-links精确测量热熔断器的断开温度12A.R.Confidential顾客供应商

信息管理与流动策略财务目标“差距”目标需求预测需求预测订单管理流程

价值流管理“管理整个过程–订货至现金”基础元素“5S+1,TPM,全员参与，解决问题，项目管理”需求管理“协调的订单流”供应链实施“可靠的物流”精益业务过程“快速、无差错流程”

六西格玛“在生产和经营业务过程中消除/管理变异”精益生产“快速、无浪费的生产周期时间”客户要求：质量/交付/价格/服务13A.R.ConfidentialF00Series(系列):10A@250VACTheindustrystandardforthermalprotection;themostwidely-usedThermal-linksintheworld.(热保护的工业标准；世界上使用最广泛的热熔断器)PortableAppliances(轻便器具)Coffeemakers,blenders,toasters,grills,deepfryers,skillets,ricecookers,expresso/cappuccinomachines,mixers,woks,irons,fans,electricheaters,airpurifiers,vaporizers,waterfiltrationdevices,electricshavers,massagers,oralcare,curlingirons,hairdryers,electrichairclippers/trimmers(咖啡壶，搅拌机，烤面包机，烤箱，油炸锅，煮锅，电饭锅，咖啡机，搅拌器，炒锅，熨斗，风扇，电热器，空气清洁器，蒸馏器)MajorAppliances&HVAC(主要器具和HVAC)Clotheswashers&dryers,dishwashers,frost-freerefrigerators,hotwaterheaters,electricfurnaceheatpackages(洗衣&干衣机，洗碗机，无霜冰箱，热水器)Automotive(汽车)Fanspeedresistorboards,A/Ccompressors,antilockbrakesystems(风扇速度用电阻，空调用压缩器，防销制动系统)ConsumerElectronics(消费电子品)Batterypacksforcellphones,computers(蜂窝电话，电脑的电池)ARLIN®Thermal-linkscanbeappliedinliterallyhundredsofapplications(ARLIN®热熔断体可能有上百应用)

14A.R.Confidential

Cautions

应用注意事项15A.R.ConfidentialTermsthatareimportanttounderstandwhen“talkingThermal-links”(以下一些术语有助于理解热熔断体)TF:RatedFunctioningTemperature:(

额定断开温度)ThemaximumtemperatureatwhichtheThermal-linkchangesitsstateofconductivitytoopencircuitwithdetectioncurrent(10mAmax)astheonlyload.Theratedfunctioningtemperatureismeasuredinanoilbathatatemperatureriseof0.5Cperminute.(热熔断器的导电状态发生改变的温度。额定断开温度将在每分钟升温0.5C的油槽中测量)16A.R.ConfidentialTermsthatareimportanttounderstandwhen“talkingThermal-links”(以下一些术语有助于理解热熔断体)TM:TMAX,orMaximumOvershootTemperature(最大过载温度)ThemaximumtemperatureatwhichtheThermal-linkhavingchangeditsstateofconductivity,canbemaintainedfor10minutes,duringwhichitsmechanicalandelectricalpropertieswillnotbeimpaired.(已改变导电状态的热熔断体，在此温度下应能保持10分钟而不改变其机械和电气性能)TH:HoldingTemperature(保持温度)Themaximumtemperatureatwhich,whenapplyingtheratedcurrenttotheThermal-link,thestateofconductivitywillnotchangeduringaperiodofoneweek(168hours).(热熔断体在额定电流和1周内(168小时）不至发生导电状态改变的最高允许温度)17A.R.ConfidentialSo,knowingwhichtemperatureratingtoselectisdependentuponmanyfactors

(要选择一个合适的温度依赖于许多因素)Inagivenapplication,determiningthetemperatureoftheThermal-linkbodymassisthekeytoselectingtherighttemperaturerating.(在应用时，定义热熔断体本身的温度是正确选择型号的关键)TheThermal-linkbodymassisinfluencedby(影响热熔断体本身温度的因素)：Currentflow(电流)Massandresistanceofconnections(连接头的电阻)PositionoftheThermal-linkbodywithrespecttotheheatsource(热熔断体本身距离发热源的位置)Amountofairflow(气流量)Ambienttemperature(环境温度)Rateoftemperaturerise(升温率)HeatsinkingorinsulationcharacteristicsofmaterialinproximitytotheThermal-linkbody(接近热熔断器本身的导热块材质)18A.R.ConfidentialTheplacementoftheThermal-linkinanapplicationtakescarefulconsideration(应用热熔断体时应注意的事项)TheThermal-linkshouldbelocatedwherethedifferencebetweenthehighestnormaloperatingtemperatureandthefaultconditiontemperatureisthegreatest,butnevergreaterthanTH.(热熔断体应当处于最高的正常工作温度和失效条件温度之间，但不应当超过TH)AThermal-linktemperatureratingofatleast25°Cabovethehighestnormaloperatingtemperatureisdesirable.(热熔断体额定温度应当比实际使用的最高温度高25°C)Thiswillhelpavoidnuisanceopeningscausedbytemperatureovershootsorvariationsinthemanufactureofthefinishedproduct.(这将避免被温度冲击和加工成品时所带来的变化而导致热熔断体过早的断开)19A.R.ConfidentialTheplacementoftheThermal-linkinanapplicationtakescarefulconsideration(应用热熔断体时应注意的事项)TominimizedegradationoftheThermal-linksealingcompound,theTHshouldnotexceed200°C.(对于热熔断体的密封体，

TH不应当超过200°C)Continuoususetemperaturesabove200°CcaninhibittheoperationoftheThermal-link.(连续工作温度超过200°C将会引起密封体减弱而最终失效)Also,overshoottemperaturesaftertheopeningoftheThermal-linkshouldbeminimizedtoavoiddielectricbreakdownandreconductionoftheThermal-link.(热熔断体断开后应当避免冲击温度过高而导致热熔断体被重新击穿)20A.R.ConfidentialThermalgradientsacrosstheThermal-linkbodyshouldbeminimized(穿越热熔断体本体的热梯度应该是最小的)IdealThermal-linkplacementsubjectstheentirebody(case,leads,andepoxyseal)toauniformtemperatureenvironment.(热熔断体最理想的工作环境应当是整个热熔断体（外壳，线脚，和胶封体）处于同一温度下)Insomeapplications,theThermal-linkmaymountedsuchthatheatisconductedtothebodythroughoneoftheleads,whichresultsinathermalgradientacrosstheThermal-link.(在一些场合，热量仅从热熔断器一边传入，这将导致热量有梯度的传入热熔断体)ThelifeoftheThermal-linkcanbereducedovertimeiftheisolated(epoxy-end)leadisatalowertemperaturethanthecase-endlead.(如果隔离端（环氧端）引线的温度低于另一端引线的温度，热熔断体的寿命会逐渐缩短)Long-termtestingintheapplicationisrecommendedtodetermineifthisconditionexists.(在使用中，建议进行长期的测试，判断这种情况是否存在)Tominimizetheeffectsofthermalgradients,attachtheepoxy-endlead(ratherthanthecaselead)tothehotterlocation.(将环氧端引线（而不是另一端引线）放到热一些的位置，将热梯度的影响降到最低)21A.R.ConfidentialIllustratingtheeffectofathermalgradientontheThermal-link(热梯度对热熔断体影响的图解)Desirable:T1>T2被推荐的:T1>T2vaporinhibitssublimationofpellet.(vapor制约热敏丸的升华)Undesirable:T1<T2不被推荐的:T1<T2vaporcondensesoncoolerThermal-linkcomponentsincontactarea(接触区域蒸汽凝聚在热熔断体的温度低的一端)condensatedoesnotinhibitpelletsublimation(冷凝物不会制约热敏丸的升华)T2T1pelletvaporT2T1pelletvapor22A.R.ConfidentialInstallationconsiderationsoftheThermal-linkinthecustomer’sapplication(热熔断体在客户应用中的操作注意事项)Thermal-linkperformancecanbeaffectedbysoldering,welding,lead-bending,splicing,insulating,clamping,andmountinginanapplication.(在应用中，热熔断体的性能受到焊料，焊接，引线弯曲，接头，绝缘，箝位以及装配等因素的影响)PhysicaldamagetotheThermal-linkbodymaycauseittonotoperate.(热熔断体壳体的物理损伤可能会导致其失效)23A.R.ConfidentialWeldingandsolderingconsiderations

(焊接注意事项)Thermal-linkleadsshouldbeheat-sinkedinboardoftheconnectionpoint.(热熔断体线脚应当在连接头内吸收热量)ExposuretoexcessiveheatcanshortenthelifeoftheThermal-link.(热熔断体接触过多的热量将缩短使用寿命)Heathasacumulativeeffectonthethermalpellet.(热量将会不断地影响热敏丸)Excessiveleadtemperaturescandamagetheepoxyseal.(引线过高的温度将破坏胶封体)Testsamplesshouldbex-rayedbeforeandaftertheattachmentoperation.(测试样品应当在以下操作之前和之后做x射线检查)Thesizeofthethermalpelletshouldbemeasuredtoverifynoshrinkageoccurs.(热敏丸的尺寸应当被测量,确认没有收缩发生)Heatgeneratedduringwelding/solderingcancausepelletshrinkage,whichcanleadtoreducedlifeoftheThermal-link.(焊接/焊锡时的热量能使热敏丸收缩,导致热熔断体寿命减少)24A.R.ConfidentialInstallationconsiderationswhenutilizingsplicesandterminals(使用接头和端子时的操作注意事项)Insecuresplicesandterminalattachmentscancauseahigh-resistancejoint.(不可靠的接头和端子将使其结合处产生高电阻值)ThiscancauseI2Rself-heatingtooccur,whichcanbothdamagetheepoxysealand/orshortenthelifeoftheThermal-link.(这将造成I2R自热现象发生，继而破坏环氧密封以及缩短热熔断体的使用寿命)It’sbettertospliceaThermal-linkleadtoastrandedwirevs.asolidwire.(与单股线相比，多股线可以更好地和热熔断体引线相结合)Producesatightercrimp,minimizingtheopportunityforhighresistance.(结合更紧的接头，会使产生高电阻的概率降到最低)Considersolderback-upforsplices/terminationsinapplicationswheretemperaturesexceed150°C.(在温度超过150°C的情况下，应注意对接头/端子焊锡)25A.R.ConfidentialInstallationconsiderationswhenbendingtheleads

(弯曲引线时的操作注意事项)Improperlead-bendingtechniquescandamagetheepoxysealordistort/damagetheThermal-Linkcase.(不适当的引线弯曲工艺会损害环氧树脂密封胶，也会损害热熔断器外壳或者使其变形)Supporttheleadsateachendtominimizethispossibility.(在引线的每端都设置一个支撑，把可能性降到最低)Maintainatleast5mmbetweentheepoxysealandleadbends,andatleast5mmbetweenthecaseandleadbendsontheotherendoftheThermal-link.(在环氧密封和引线弯曲处之间保持最少5mm的距离，在另一端弯曲处和TCO