框架式銀川電磁鐵又稱箱式電(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie),因為(wei)它的(de)(de)(de)形(xing)狀是方形(xing)的(de)(de)(de)。這(zhe)種框架電(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)是一(yi)(yi)種產生電(dian)(dian)(dian)磁(ci)(ci)(ci)的(de)(de)(de)設(she)備。當變壓(ya)器鐵(tie)心在(zai)外旋轉,其(qi)輸出功(gong)率(lv)與導電(dian)(dian)(dian)繞組電(dian)(dian)(dian)阻一(yi)(yi)致時,帶(dai)電(dian)(dian)(dian)流(liu)的(de)(de)(de)線(xian)圈具有與磁(ci)(ci)(ci)鐵(tie)相同的(de)(de)(de)磁(ci)(ci)(ci)性。我(wo)(wo)們通常把(ba)它做成條狀或蹄(ti)狀,使它的(de)(de)(de)變壓(ya)器鐵(tie)心更容(rong)易磁(ci)(ci)(ci)化。另外,為(wei)了使電(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)立即斷電(dian)(dian)(dian)消(xiao)磁(ci)(ci)(ci),我(wo)(wo)們經常采用(yong)快速消(xiao)磁(ci)(ci)(ci)的(de)(de)(de)軟(ruan)鐵(tie)或硅鋼材料(liao)制(zhi)作(zuo)。這(zhe)種電(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)插上(shang)電(dian)(dian)(dian)源(yuan)就會有磁(ci)(ci)(ci)性。當電(dian)(dian)(dian)源(yuan)關閉時,磁(ci)(ci)(ci)場將消(xiao)失(shi)。方形(xing)電(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)在(zai)我(wo)(wo)們的(de)(de)(de)日常生活(huo)中有很多用(yong)途(tu),因為(wei)它的(de)(de)(de)產生也使發電(dian)(dian)(dian)機組的(de)(de)(de)輸出功(gong)率(lv)有了很大的(de)(de)(de)提(ti)高。
電磁鐵交流原理
我們先來看(kan)看(kan)電磁鐵(tie)(tie)(tie)的組成原理:電磁鐵(tie)(tie)(tie)主要由線圈、鐵(tie)(tie)(tie)芯(xin)和(he)電樞(shu)組成。鐵(tie)(tie)(tie)芯(xin)和(he)電樞(shu)一般由軟磁材(cai)料制成。一般分為(wei)直(zhi)流電磁鐵(tie)(tie)(tie)和(he)通(tong)(tong)信(xin)(xin)電磁鐵(tie)(tie)(tie)。通(tong)(tong)信(xin)(xin)電磁鐵(tie)(tie)(tie)的原理是什么?
通(tong)訊電(dian)磁鐵(tie)線(xian)圈插入(ru)時(shi),鐵(tie)芯(xin)和電(dian)樞(shu)(shu)被磁化,變成(cheng)兩個(ge)極(ji)性(xing)相反(fan)的(de)(de)磁鐵(tie)。當吸附力(li)超過張力(li)彈簧(huang)的(de)(de)反(fan)作(zuo)用(yong)力(li)時(shi),電(dian)樞(shu)(shu)轉向點向鐵(tie)心方向移動。當線(xian)圈中(zhong)的(de)(de)電(dian)流低(di)于(yu)一定值或電(dian)源(yuan)中(zhong)斷時(shi),電(dian)磁吸收力(li)低(di)于(yu)張力(li)彈簧(huang)的(de)(de)反(fan)作(zuo)用(yong)力(li),電(dian)樞(shu)(shu)在反(fan)作(zuo)用(yong)力(li)的(de)(de)作(zuo)用(yong)下會回到(dao)原來的(de)(de)釋放方向。
值得注意(yi)的(de)(de)是(shi),通信電(dian)(dian)(dian)磁(ci)鐵的(de)(de)電(dian)(dian)(dian)磁(ci)吸(xi)收力(li)是(shi)由磁(ci)選機(ji)的(de)(de)磁(ci)場(chang)(chang)和磁(ci)選機(ji)的(de)(de)磁(ci)場(chang)(chang)組成的(de)(de)兩個交變電(dian)(dian)(dian)場(chang)(chang)的(de)(de)磁(ci)場(chang)(chang)力(li)加上直(zhi)流(liu)凈重作(zuo)用的(de)(de),更容易釋放,所以輸(shu)出(chu)功(gong)率低(di),變壓器(qi)鐵心(xin)體積大(da),線圈(quan)能耗高;功(gong)率因數低(di),線圈(quan)電(dian)(dian)(dian)流(liu)大(da),發熱(re)嚴重,不(bu)僅(jin)浪費了電(dian)(dian)(dian)能,而且造成線圈(quan)老化破壞(huai)過早。很糟糕。因此,大(da)多數時候我們會選擇直(zhi)流(liu)電(dian)(dian)(dian)而不(bu)是(shi)通訊(xun)電(dian)(dian)(dian)磁(ci)鐵。
框架銀川電磁(ci)鐵的介紹