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國(guó)家知識(shí)產(chǎn)權(quán)局信息顯示,蘇州航勢(shì)航空設(shè)備有限公司申請(qǐng)一項(xiàng)名為“一種空氣循環(huán)電爐的加熱控制方法”的專(zhuān)利,公開(kāi)號(hào)CN121612081A,申請(qǐng)日期為2025年11月。
專(zhuān)利摘要顯示,本發(fā)明涉及一種空氣循環(huán)電爐的加熱控制方法,屬于工件熱處理技術(shù)領(lǐng)域,解決了加熱效率低和溫度控制準(zhǔn)確度低的問(wèn)題。本發(fā)明的加熱控制方法,包括:第一階段加熱狀態(tài):循環(huán)風(fēng)機(jī)和加熱器均高效率運(yùn)行;第二階段加熱狀態(tài):溫度閉環(huán)PID模塊啟動(dòng)實(shí)時(shí)調(diào)控加熱器的輸出功率;爐氣實(shí)際溫度逐漸接近設(shè)定溫度的過(guò)程中,控制加熱器的功率逐漸減小,循環(huán)風(fēng)機(jī)的轉(zhuǎn)速仍然按照設(shè)定的轉(zhuǎn)速上限運(yùn)行;保溫狀態(tài):隨著爐內(nèi)產(chǎn)品溫度繼續(xù)升高,爐氣溫度達(dá)到設(shè)定溫度時(shí),加熱器的輸出功率處于低功率狀態(tài);啟動(dòng)循環(huán)風(fēng)機(jī)轉(zhuǎn)速閉環(huán)PI調(diào)節(jié)器調(diào)節(jié)循環(huán)風(fēng)機(jī)的轉(zhuǎn)速抑制爐內(nèi)溫度的持續(xù)上升。本發(fā)明實(shí)現(xiàn)了對(duì)工件加熱處理的高效率熱響應(yīng)并保證溫度控制的準(zhǔn)確度。
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