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因此,線圈盤定制獨自纏繞時(shi),應(ying)(ying)注意以(yi)下幾點: (1)根(gen)(gen)據電(dian)路(lu)的(de)(de)(de)(de)需要(yao),選擇(ze)(ze)繞組方(fang)(fang)式 空心電(dian)感線(xian)(xian)圈(quan)(quan)纏繞時(shi),應(ying)(ying)根(gen)(gen)據電(dian)路(lu)要(yao)求、電(dian)感大(da)小(xiao)和(he)(he)線(xian)(xian)圈(quan)(quan)線(xian)(xian)軸直徑確定纏繞方(fang)(fang)法。 內繞線(xian)(xian)圈(quan)(quan)適(shi)(shi)用(yong)于(yu)高(gao)(gao)頻(pin)和(he)(he)超高(gao)(gao)頻(pin)電(dian)路(lu)。當圈(quan)(quan)數小(xiao)于(yu)3到(dao)5圈(quan)(quan)時(shi),它可(ke)以(yi)在(zai)沒有(you)(you)骨架(jia)的(de)(de)(de)(de)情況(kuang)下具有(you)(you)更好(hao)的(de)(de)(de)(de)特性。 Q值很(hen)高(gao)(gao),高(gao)(gao)達(da)150-400,穩定性也很(hen)高(gao)(gao)。單層密繞線(xian)(xian)圈(quan)(quan)適(shi)(shi)用(yong)于(yu)短(duan)波(bo)和(he)(he)中波(bo)電(dian)路(lu),其Q值可(ke)達(da)到(dao) 150-250,穩定性高(gao)(gao)。 (2)為(wei)確保(bao)(bao)線(xian)(xian)圈(quan)(quan)的(de)(de)(de)(de)載流(liu)能力(li)和(he)(he)機(ji)械(xie)強度(du),選擇(ze)(ze)合(he)適(shi)(shi)的(de)(de)(de)(de)導(dao)線(xian)(xian) 線(xian)(xian)圈(quan)(quan)不(bu)應(ying)(ying)纏繞太細的(de)(de)(de)(de)導(dao)線(xian)(xian),以(yi)免(mian)增加線(xian)(xian)圈(quan)(quan)電(dian)阻和(he)(he)降(jiang)低Q值。同時(shi),電(dian)線(xian)(xian)太細,其載流(liu)量和(he)(he)機(ji)械(xie)強度(du)都很(hen)低 它們很(hen)小(xiao),容易燒壞電(dian)線(xian)(xian)。因此(ci),在(zai)保(bao)(bao)證線(xian)(xian)圈(quan)(quan)載流(liu)能力(li)和(he)(he)機(ji)械(xie)強度(du)的(de)(de)(de)(de)前提(ti)下,有(you)(you)必要(yao)選擇(ze)(ze)合(he)適(shi)(shi)的(de)(de)(de)(de)繞組線(xian)(xian)。 . (3)繞組線(xian)(xian)圈(quan)(quan)的(de)(de)(de)(de)分(fen)接頭(tou)應(ying)(ying)有(you)(you)明(ming)顯的(de)(de)(de)(de)標(biao)志(zhi)。帶分(fen)接頭(tou)的(de)(de)(de)(de)線(xian)(xian)圈(quan)(quan)應(ying)(ying)有(you)(you)明(ming)顯標(biao)志(zhi),便于(yu)安裝和(he)(he)維護。
(4)大功率線圈盤不(bu)(bu)同(tong)頻(pin)率(lv)特(te)性的(de)線(xian)圈(quan)使(shi)用(yong)(yong)不(bu)(bu)同(tong)材(cai)料的(de)磁(ci)(ci)(ci)(ci)芯(xin)(xin)。 不(bu)(bu)同(tong)工作(zuo)頻(pin)率(lv)的(de)線(xian)圈(quan)具(ju)有不(bu)(bu)同(tong)的(de)特(te)性。在音頻(pin)段工作(zuo)的(de)電感線(xian)圈(quan)通(tong)常使(shi)用(yong)(yong)硅(gui)鋼(gang)片或坡莫(mo)合金作(zuo)為磁(ci)(ci)(ci)(ci)性材(cai)料 核心材(cai)料。鐵氧(yang)(yang)(yang)體(ti)用(yong)(yong)作(zuo)低頻(pin)磁(ci)(ci)(ci)(ci)芯(xin)(xin)材(cai)料,其電感大,可(ke)(ke)高(gao)達幾亨利到(dao)幾十(shi)(shi)亨利。在幾十(shi)(shi)萬赫茲到(dao)幾兆(zhao)赫之間(jian) ,例如中波廣播段的(de)線(xian)圈(quan),通(tong)常使(shi)用(yong)(yong)鐵氧(yang)(yang)(yang)體(ti)磁(ci)(ci)(ci)(ci)芯(xin)(xin),并用(yong)(yong)多(duo)股(gu)絕緣線(xian)纏繞。當頻(pin)率(lv)高(gao)于(yu)幾兆(zhao)赫時(shi),線(xian)圈(quan)選擇(ze)高(gao)頻(pin) 鐵氧(yang)(yang)(yang)體(ti)用(yong)(yong)作(zuo)磁(ci)(ci)(ci)(ci)芯(xin)(xin),空心線(xian)圈(quan)也常用(yong)(yong)。在這(zhe)種情況下,不(bu)(bu)適合使(shi)用(yong)(yong)多(duo)股(gu)絕緣線(xian),而是(shi)使(shi)用(yong)(yong)單股(gu)厚鍍(du)銀線(xian)進行繞組。在100MHz下 在上(shang)述情況下,通(tong)常不(bu)(bu)使(shi)用(yong)(yong)鐵氧(yang)(yang)(yang)體(ti)磁(ci)(ci)(ci)(ci)芯(xin)(xin),只能使(shi)用(yong)(yong)空心線(xian)圈(quan);對(dui)于(yu)微調,可(ke)(ke)以使(shi)用(yong)(yong)鋼(gang)芯(xin)(xin)。高(gao)頻(pin)電路用(yong)(yong)扼流(liu)圈(quan) ,除了電感和額定電流(liu)應(ying)滿足(zu)電路的(de)要求外,還必須注意(yi)其分布電容不(bu)(bu)宜過(guo)大。