外文資料翻譯---鋰電池充電器的設(shè)計(jì)-wenkub.com
2025-05-07 04:43 本頁面
【正文】 很顯然，這種方法可以大大縮短新產(chǎn)品上市的時(shí)間，而且只需要庫存一種硬件。 dV/dt = 0 – 零電壓差 這個(gè)方法與 dV/dt 方法極其類似，而且在電壓不會(huì)再升高的情況下更準(zhǔn)確。請(qǐng)參考電池生產(chǎn)商的規(guī)范 (NiCd電池的典型值為 1oC/min) – 適用于 NiCd 電池 NiMH 電池。適用于 SLA電池和鋰電池。此時(shí)本方案就非常合適了。實(shí)際鋰電池充電器往往在達(dá)到最大電壓之后還繼續(xù)進(jìn)行第二階段的充電，以達(dá)到 100% 的 電池容量。通常與恒定電流充電配合使用。通常用于快速充電時(shí)的后備方案。有時(shí)候溫度不容易測得，但可以測得電壓，或者是其他情況。當(dāng)電池充滿后，若繼續(xù)充電，則所有的電能都將轉(zhuǎn)化為電池的熱能。過熱電池充電是將電能傳輸?shù)诫姵氐倪^程。最大充電電流最大充電電流與電池容量 (C) 有關(guān)。當(dāng)充電電流下降到生產(chǎn)商設(shè)定的最小電流時(shí)就要停止充電。 NiMH 電池的自放電率大概為 20%/ 月。 鎳氫電池 (NiMH) 在輕重量的手持設(shè)備中如手機(jī)、手持?jǐn)z象機(jī)，等等鎳氫電池是使用最廣的。在電池包里第一個(gè)被完全放電的單元會(huì)發(fā)生反轉(zhuǎn)。 鎳鎘電池 (NiCd) NiCd 電池目前使用得很普遍。 現(xiàn)代消費(fèi)類電器主要使用如下四種電池： ? 密封鉛酸電池 (SLA) ? 鎳鎘電池 (NiCd) ? 鎳氫電池 (NiMH) ? 鋰電池 (LiIon) 在正確選擇電池和充電算法時(shí)需要了解這些電池的背景知識(shí)。 AVR 是目前唯一的針對(duì)象 “C”這樣的高級(jí)語言而設(shè)計(jì)的 8 位微處理器。 Flash 可以在發(fā)貨之前再進(jìn)行編程，或是在 PCB貼裝之后再通過 ISP 進(jìn)行編程，從而允許在最后一分鐘進(jìn)行軟件更新。因此需要對(duì)充電過程進(jìn)行更精確的監(jiān)控，以縮短充電時(shí)間、達(dá)到最大的電池容量，并防止電池?fù)p壞 。 鋰 離子的電池是一種令人興奮的電池技術(shù)必須給于高度的關(guān)注。 然而 ,有必要說明的是三個(gè) NiMH 的電芯相當(dāng)于一個(gè) 鋰 離子的電芯在被包裹為電池包裝的時(shí)候。 一 個(gè) 電話能被做得更小和更輕如果使用李 離子的電池的話而不犧牲續(xù)航時(shí)間。 理由是明顯的。 lead to refresh and will result in battery of NiMH lose efficacy, carry on measuring by the square in refresh process is count for much in fit to battery of NiCd, the pole turn over the battery also will damage. Battery of NiMH of from turn on electricity the rate and is probably 20%/ to battery of NiCd, the battery of NiMH also settles the electric current to refresh .Other batteries says pare in lithium battery( Li Ion) and this texts, the lithium battery has the tallest energy/ weight to pare to pare with energy/ physical battery Settle the electric voltage to carry on refresh with , want to have the electric current restrict to lead the heat in the early battery of refresh the process by avoid at the same refresh the electric current Descend to produce the minimum electric current of the enactment of pany will stop to refresh will result in battery damage, even exploding. The safety of the battery refreshes the fast charge machine( namely battery can at small be filled with the electricity in 3 hours, is usually a hour) demand of the to the unit electric voltage, refresh the electric current and the battery temperatures to carry on to measure by the square, avoid at the time of being filled with the electricity because of leading to in of the method SLA battery and lithium batteries refreshes the method to settle the electric voltage method to want to limit to flow for the ever 。from the battery AVR has already led the one step in the petition, is prove is perfect control chip of the next generation charger. The microprocessor of Atmel AVR is current and can provide Flash, EEPROM and 10 ADCses by single slice on the market Of 8 RISC microprocessors of the tallest the saving machine of procedure is a Flash, therefore can need not elephant MASK ROM Similar, have a few software editions a few model numbers of Flash can carry on again to weave the distance before deliver goods, or in the PCB Stick after pack carry on weaving the distance through an ISP again, thus allow to carry on the software renewal in the last one minute. The EEPROM can used for conservancy mark certainly coefficient and the battery characteristic parameter, such as the conservancy refreshes record with the battery that raise the actual usage A/ Ds conversion machine can provide the enough diagraph accu
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