溫度保險(xiǎn)絲工作原理

1、3 A.R. Confidential4 A.R. ConfidentialA reliable products output is depends on Optimized Process, even its the perfect design.就算是最優(yōu)異的設(shè)計(jì)，也需要依靠?jī)?yōu)異的生產(chǎn)方式來(lái)實(shí)現(xiàn)穩(wěn)就算是最優(yōu)異的設(shè)計(jì)，也需要依靠?jī)?yōu)異的生產(chǎn)方式來(lái)實(shí)現(xiàn)穩(wěn)定可靠的產(chǎn)品。定可靠的產(chǎn)品。5 A.R. ConfidentialCASE AND LEAD 外殼線腳THERMALPELLET熱敏丸BARRELSPRING桶型彈簧TRIPSPRING斷路彈簧DISC圓片STAR CONTACT星觸片CERA

2、MICBUSHING絕緣陶瓷EPOXY SEALING密封膠ISOLATED LEAD獨(dú)立線腳BARRELSPRING桶型彈簧DISC圓片CASE AND LEAD外殼線腳STAR CONTACT星觸片ISOLATED LEAD獨(dú)立線腳EPOXY SEALING密封膠CERAMIC BUSHING絕緣陶瓷TRIPSPRING斷路彈簧CLOSED閉合閉合OPEN斷開(kāi)斷開(kāi)6 A.R. ConfidentialSample from one of our competitors 某品牌熱熔斷體ARLIN F00 Thermal LinksARLIN熱熔斷體7 A.R. ConfidentialExc

3、ellently sensitive to ambient temperature 優(yōu)異的環(huán)境溫度感應(yīng)優(yōu)異的環(huán)境溫度感應(yīng)Stable and Precise operation -The actual operating Temperature of ARLIN F00 Series is on Tf -1 Tf -5 穩(wěn)定而精準(zhǔn)的動(dòng)作穩(wěn)定而精準(zhǔn)的動(dòng)作 -ARLIN F00全系實(shí)際動(dòng)作溫度均落在額定溫度的全系實(shí)際動(dòng)作溫度均落在額定溫度的-1-5以內(nèi)以內(nèi)Longer working life 超長(zhǎng)可靠工作壽命超長(zhǎng)可靠工作壽命Excellently bending ability -the lea

4、d wire can be bent at a distance limit 3mm from the body of the fuse 優(yōu)異的彎折性能優(yōu)異的彎折性能 -ARLIN F00全系線腳彎折極限可達(dá)全系線腳彎折極限可達(dá)3mmLow internal resistance -The internal resistance of ARLIN F00 Series is lower than 1m 超低內(nèi)阻超低內(nèi)阻 -ARLIN F00全系內(nèi)阻值均低于全系內(nèi)阻值均低于1m8 A.R. Confidential9 A.R. ConfidentiallOnly Cd-free heteroge

5、neous material composition (90% Silver) used as contacts (Our local competitors are using sliver coated materials).我們的熱熔斷體觸點(diǎn)使用一種無(wú)鎘銀合金材料我們的熱熔斷體觸點(diǎn)使用一種無(wú)鎘銀合金材料(一些對(duì)手一些對(duì)手使用鍍銀材料使用鍍銀材料) Our material minimizes the “cold-bonding” phenomena, which occurs as a function of temperature, pressure, and time. ( 我們的材

6、料能使在一定的溫度我們的材料能使在一定的溫度, 壓力和時(shí)間下發(fā)壓力和時(shí)間下發(fā)生的冷焊現(xiàn)象減少到最小生的冷焊現(xiàn)象減少到最小 )“Like” atoms have a propensity to form a chemical bond. ( 類似的原子有形成一個(gè)化學(xué)鍵的傾向類似的原子有形成一個(gè)化學(xué)鍵的傾向 )10 A.R. Confidential11 A.R. ConfidentiallOur state-of-the-art thermal-links analysis lab我們非常專業(yè)的熱熔斷器分析實(shí)驗(yàn)室擁有我們非常專業(yè)的熱熔斷器分析實(shí)驗(yàn)室擁有: Temperature and humi

7、dity cycle conditioning oven 溫濕循環(huán)測(cè)試爐溫濕循環(huán)測(cè)試爐 CI tester / Tmax tester / CHAT tester CI / Tmax /CHAT 測(cè)試儀測(cè)試儀 Ageing Ovens 老化測(cè)試爐老化測(cè)試爐 X-ray capabilities X-ray能力能力 Chemical Automated Melting Point System 化學(xué)品熔點(diǎn)測(cè)試儀化學(xué)品熔點(diǎn)測(cè)試儀 Provides precise material chemical melting temperatures 提供精確的化學(xué)品材料融化溫度提供精確的化學(xué)品材料融化溫度

8、Oil Bath 測(cè)試油槽測(cè)試油槽 Measures the precise open temperature of the thermal-links 精確測(cè)量熱熔斷器的斷開(kāi)溫度精確測(cè)量熱熔斷器的斷開(kāi)溫度12 A.R. Confidential顧客顧客供應(yīng)商供應(yīng)商 信息管理信息管理 與流動(dòng)與流動(dòng)策略策略財(cái)務(wù)目標(biāo)“差距” 目標(biāo)需求預(yù)測(cè)需求預(yù)測(cè)訂單管理流程管理流程 價(jià)值流管理價(jià)值流管理 “管理整個(gè)過(guò)程 訂貨至現(xiàn)金” 基礎(chǔ)元素基礎(chǔ)元素 “5S+1, TPM,全員參與，解決問(wèn)題，項(xiàng)目管理” 需求管理需求管理 “協(xié)調(diào)的訂單流” 供應(yīng)鏈實(shí)施供應(yīng)鏈實(shí)施 “可靠的物流” 精益業(yè)務(wù)過(guò)程精益業(yè)務(wù)過(guò)程 “快速、無(wú)

9、差錯(cuò)流程” 六西格瑪六西格瑪“在生產(chǎn)和經(jīng)營(yíng)業(yè)務(wù)過(guò)程中消除/管理變異” 精益生產(chǎn)精益生產(chǎn) “快速、無(wú)浪費(fèi)的生產(chǎn)周期時(shí)間”客戶要求：質(zhì)量/交付/價(jià)格/服務(wù)13 A.R. ConfidentialF00 Series ( 系列 ): 10A 250VACThe industry standard for thermal protection; the most widely-used Thermal-links in the world. ( 熱保護(hù)的工業(yè)標(biāo)準(zhǔn)；世界上使用最廣泛的熱熔斷器 )Portable Appliances ( 輕便器具 )Coffeemakers, blenders, toa

10、sters, grills, deep fryers, skillets, rice cookers, expresso / cappuccino machines, mixers, woks, irons, fans, electric heaters, air purifiers, vaporizers, water filtration devices, electric shavers, massagers, oral care, curling irons, hair dryers, electric hair clippers / trimmers ( 咖啡壺，攪拌機(jī)，烤面包機(jī)，烤

11、箱，油炸鍋，煮鍋，電飯鍋，咖啡機(jī)，攪拌器，炒鍋，熨斗，風(fēng)扇，電熱器，空氣清潔器，蒸餾器 )Major Appliances & HVAC ( 主要器具和HVAC )Clothes washers & dryers, dishwashers, frost-free refrigerators, hot water heaters, electric furnace heat packages ( 洗衣&干衣機(jī)，洗碗機(jī)，無(wú)霜冰箱，熱水器 )Automotive ( 汽車 )Fan speed resistor boards, A/C compressors, antiloc

12、k brake systems ( 風(fēng)扇速度用電阻，空調(diào)用壓縮器，防銷制動(dòng)系統(tǒng) ) Consumer Electronics ( 消費(fèi)電子品 )1.Battery packs for cell phones, computers ( 蜂窩電話，電腦的電池 )14 A.R. Confidential15 A.R. ConfidentiallTF: Rated Functioning Temperature: ( 額定斷開(kāi)溫度 ) The maximum temperature at which the Thermal-link changes its state of conductivity

13、to open circuit with detection current (10mA max) as the only load. The rated functioning temperature is measured in an oil bath at a temperature rise of 0.5C per minute. ( 熱熔斷器的導(dǎo)電狀態(tài)發(fā)生改變的溫度。額定斷開(kāi)溫度將在每分鐘升溫0.5C的油槽中測(cè)量 )16 A.R. ConfidentiallTM: TMAX, or Maximum Overshoot Temperature (最大過(guò)載溫度 ) The maximum

14、 temperature at which the Thermal-link having changed its state of conductivity, can be maintained for 10 minutes, during which its mechanical and electrical properties will not be impaired. ( 已改變導(dǎo)電狀態(tài)的熱熔斷體，在此溫度下應(yīng)能保持10分鐘而不改變其機(jī)械和電氣性能 )lTH: Holding Temperature ( 保持溫度 ) The maximum temperature at which,

15、 when applying the rated current to the Thermal-link, the state of conductivity will not change during a period of one week (168 hours). ( 熱熔斷體在額定電流和1周內(nèi)(168小時(shí)）不至發(fā)生導(dǎo)電狀態(tài)改變的最高允許溫度 )17 A.R. ConfidentiallIn a given application, determining the temperature of the Thermal-link body mass is the key to selec

16、ting the right temperature rating. ( 在應(yīng)用時(shí)，定義熱熔斷體本身的溫度是正確選擇型號(hào)的關(guān)鍵) lThe Thermal-link body mass is influenced by ( 影響熱熔斷體本身溫度的因素 )：Current flow ( 電流 )Mass and resistance of connections ( 連接頭的電阻 )Position of the Thermal-link body with respect to the heat source ( 熱熔斷體本身距離發(fā)熱源的位置 )Amount of air flow ( 氣流量

17、 )Ambient temperature ( 環(huán)境溫度 )Rate of temperature rise ( 升溫率 )Heat sinking or insulation characteristics of material in proximity to the Thermal-link body ( 接近熱熔斷器本身的導(dǎo)熱塊材質(zhì) )18 A.R. ConfidentiallThe Thermal-link should be located where the difference between the highest normal operating temperature a

18、nd the fault condition temperature is the greatest, but never greater than TH. ( 熱熔斷體應(yīng)當(dāng)處于最高的正常工作溫度和失效條件溫度之間，但不應(yīng)當(dāng)超過(guò)TH )A Thermal-link temperature rating of at least 25C above the highest normal operating temperature is desirable. ( 熱熔斷體額定溫度應(yīng)當(dāng)比實(shí)際使用的最高溫度高25 C ) This will help avoid nuisance openings ca

19、used by temperature overshoots or variations in the manufacture of the finished product. ( 這將避免被溫度沖擊和加工成品時(shí)所帶來(lái)的變化而導(dǎo)致熱熔斷體過(guò)早的斷開(kāi) )19 A.R. ConfidentialTo minimize degradation of the Thermal-link sealing compound, the TH should not exceed 200C. ( 對(duì)于熱熔斷體的密封體， TH不應(yīng)當(dāng)超過(guò)200 C ) Continuous use temperatures abov

20、e 200C can inhibit the operation of the Thermal-link. (連續(xù)工作溫度超過(guò)200 C 將會(huì)引起密封體減弱而最終失效 )Also, overshoot temperatures after the opening of the Thermal-link should be minimized to avoid dielectric breakdown and reconduction of the Thermal-link. ( 熱熔斷體斷開(kāi)后應(yīng)當(dāng)避免沖擊溫度過(guò)高而導(dǎo)致熱熔斷體被重新?lián)舸?)20 A.R. ConfidentiallIdeal

21、Thermal-link placement subjects the entire body (case, leads, and epoxy seal) to a uniform temperature environment. (熱熔斷體最理想的工作環(huán)境應(yīng)當(dāng)是整個(gè)熱熔斷體（外殼，線腳，和膠封體）處于同一溫度下 )lIn some applications, the Thermal-link may mounted such that heat is conducted to the body through one of the leads, which results in a ther

22、mal gradient across the Thermal-link. ( 在一些場(chǎng)合，熱量?jī)H從熱熔斷器一邊傳入，這將導(dǎo)致熱量有梯度的傳入熱熔斷體 )The life of the Thermal-link can be reduced over time if the isolated (epoxy-end) lead is at a lower temperature than the case-end lead. ( 如果隔離端（環(huán)氧端）引線的溫度低于另一端引線的溫度，熱熔斷體的壽命會(huì)逐漸縮短 ) Long-term testing in the application is rec

23、ommended to determine if this condition exists. ( 在使用中，建議進(jìn)行長(zhǎng)期的測(cè)試，判斷這種情況是否存在 )21 A.R. ConfidentiallDesirable: T1T2l被推薦的: T1T2vapor inhibits sublimation of pellet. ( vapor制約熱敏丸的升華 )lUndesirable: T1T2l不被推薦的: T1T2vapor condenses on cooler Thermal-link components in contact area ( 接觸區(qū)域蒸汽凝聚在熱熔斷體的溫度低的一端 )c

24、ondensate does not inhibit pellet sublimation ( 冷凝物不會(huì)制約熱敏丸的升華 )T2T1pelletvaporT2T1pelletvapor22 A.R. ConfidentiallThermal-link performance can be affected by soldering, welding, lead-bending, splicing, insulating, clamping, and mounting in an application. (在應(yīng)用中，熱熔斷體的性能受到焊料，焊接，引線彎曲，接頭，絕緣，箝位以及裝配等因素的影響

25、 )lPhysical damage to the Thermal-link body may cause it to not operate. ( 熱熔斷體殼體的物理?yè)p傷可能會(huì)導(dǎo)致其失效 )23 A.R. ConfidentiallThermal-link leads should be heat-sinked inboard of the connection point. ( 熱熔斷體線腳應(yīng)當(dāng)在連接頭內(nèi)吸收熱量 )lExposure to excessive heat can shorten the life of the Thermal-link. ( 熱熔斷體接觸過(guò)多的熱量將縮短使用

26、壽命 )Heat has a cumulative effect on the thermal pellet. ( 熱量將會(huì) 不斷地影響熱敏丸 )lExcessive lead temperatures can damage the epoxy seal. ( 引線過(guò)高的溫度將破壞膠封體 )lTest samples should be x-rayed before and after the attachment operation. ( 測(cè)試樣品應(yīng)當(dāng)在以下操作之前和之后做x射線檢查 )The size of the thermal pellet should be measured to

27、verify no shrinkage occurs. ( 熱敏丸的尺寸應(yīng)當(dāng)被測(cè)量,確認(rèn)沒(méi)有收縮發(fā)生 )Heat generated during welding/soldering can cause pellet shrinkage, which can lead to reduced life of the Thermal-link. ( 焊接/焊錫時(shí)的熱量能使熱敏丸收縮,導(dǎo)致熱熔斷體壽命減少 )散熱夾具電烙鐵錫焊點(diǎn)散熱夾具電阻焊點(diǎn)24 A.R. ConfidentiallInsecure splices and terminal attachments can cause a high

28、-resistance joint. ( 不可靠的接頭和端子將使其結(jié)合處產(chǎn)生高電阻值 )This can cause I2R self-heating to occur, which can both damage the epoxy seal and/or shorten the life of the Thermal-link. ( 這將造成I2R自熱現(xiàn)象發(fā)生，繼而破壞環(huán)氧密封以及縮短熱熔斷體的使用壽命 )Its better to splice a Thermal-link lead to a stranded wire vs. a solid wire. ( 與單股線相比，多股線可以更

29、好地和熱熔斷體引線相結(jié)合 ) Produces a tighter crimp, minimizing the opportunity for high resistance. ( 結(jié)合更緊的接頭 ，會(huì)使產(chǎn)生高電阻的概率降到最低 )Consider solder back-up for splices/terminations in applications where temperatures exceed 150C. ( 在溫度超過(guò)150C的情況下，應(yīng)注意對(duì)接頭/端子焊錫 )端子或接頭緊密壓接25 A.R. ConfidentiallImproper lead-bending techni

30、ques can damage the epoxy seal or distort / damage the Thermal-Link case. (不適當(dāng)?shù)囊€彎曲工藝會(huì)損害環(huán)氧樹(shù)脂密封膠，也會(huì)損害熱熔斷器外殼或者使其變形 )Support the leads at each end to minimize this possibility. ( 在引線的每端都設(shè)置一個(gè)支撐，把可能性降到最低 )Maintain at least 5 mm between the epoxy seal and lead bends, and at least 5 mm between the case and

31、 lead bends on the other end of the Thermal-link. ( 在環(huán)氧密封和引線彎曲處之間保持最少5mm的距離，在另一端彎曲處和TCO之間也保持最少5mm的距離。)26 A.R. ConfidentiallIf you take away anything from this primer, please remember this ( 如果本書所講的你全忘記了，記住以下幾條 )： Always refer first to the ARLIN Thermal-Links Product Catalog for guidance. ( 首先翻閱ARLIN 熱熔斷體產(chǎn)品目錄獲得幫助 ) If your question is not answered by the catalog, pl