【摘要】：感應(yīng)加熱技術(shù)目前是對(duì)金屬材料加熱效率最高、速度最快，且低耗環(huán)保的一種加熱技術(shù)，已經(jīng)廣泛應(yīng)用于對(duì)金屬的熱加工、熱處理及焊接、熔煉等工藝中。目前，若對(duì)金屬物體進(jìn)行快速的加熱或者想要有效地加熱一些有色金屬，例如銅、鋁等合金，需要感應(yīng)線圈產(chǎn)生很強(qiáng)的磁場(chǎng)，以往的感應(yīng)線圈基本上由一層銅管或銅皮繞制，若要產(chǎn)生很強(qiáng)的磁場(chǎng)需要在線圈上加很大的電流，，這勢(shì)必會(huì)增加變壓器副邊繞組和感應(yīng)線圈的功耗，降低能源利用率。針對(duì)上述現(xiàn)象，本論文創(chuàng)新地提出把傳統(tǒng)的單層感應(yīng)線圈改成雙層疊加繞制的線圈，這樣可以減小其副邊繞組的磁損耗，使兩個(gè)感應(yīng)線圈的電流大小相等且感應(yīng)線圈內(nèi)部產(chǎn)生更強(qiáng)的磁場(chǎng)，放在線圈內(nèi)部的金屬產(chǎn)生更大的渦流，從而實(shí)現(xiàn)快速加熱的目的，提高生產(chǎn)效率，同時(shí)提高能源利用率，可廣泛適用于各種金屬的加熱。本論文的主要內(nèi)容包括如下： 1.設(shè)計(jì)雙層螺旋形感應(yīng)線圈的模型：即雙層串聯(lián)順接和雙層并聯(lián)順接兩種模型，通過(guò)這兩種線圈去加熱工件的耦合等效電路來(lái)分析影響電效率的關(guān)鍵參數(shù)； 2.根據(jù)設(shè)計(jì)的模型，選用銅皮和空心銅管分別繞制不同匝數(shù)、內(nèi)徑的單層、雙層串聯(lián)順接和雙層并聯(lián)順接螺旋形感應(yīng)線圈； 3.用LCR-819電橋和變壓器去測(cè)量這些線圈空載時(shí)和放入銅鋁合金、空心銅棒情況下的電阻、電感和品質(zhì)因數(shù)值，通過(guò)測(cè)量值計(jì)算、比較和分析它們的電效率，從而找出一個(gè)合適的參數(shù)的雙層線圈，使其對(duì)銅、鋁等合金材料的電效率能夠達(dá)到一個(gè)合理數(shù)值； 4.用繞制的雙層并聯(lián)感應(yīng)線圈連接變壓器和感應(yīng)電源去加熱銅鋁合金工件，記錄空載和有載時(shí)的電流值，來(lái)計(jì)算實(shí)際的電效率值，以驗(yàn)證雙層感應(yīng)線圈在實(shí)際應(yīng)用中的可行性。
[Abstract]:Induction heating technology is a kind of heating technology with the highest heating efficiency, the fastest speed and low consumption and environmental protection. It has been widely used in hot processing, heat treatment, welding and smelting of metals. At present, if metal objects are heated quickly or some non-ferrous metals, such as copper and aluminum alloys, can be effectively heated, a strong magnetic field is required from the induction coils, which in the past were basically made of a layer of copper tubes or copper coils. If a strong magnetic field is to be generated, a large current must be added to the coil, which will increase the power consumption of the secondary winding and induction coil of the transformer, and reduce the energy efficiency. In view of the above phenomenon, this paper innovatively proposes to change the traditional single-layer induction coil into a double-layer superposition winding, which can reduce the magnetic loss of the secondary winding. The current of the two induction coils is equal and the inductive coil produces a stronger magnetic field, and the metal placed inside the coil produces a larger eddy current, thus achieving the purpose of rapid heating, increasing production efficiency, and increasing energy efficiency at the same time. It can be widely used in the heating of various metals. The main contents of this thesis are as follows: 1. The model of double helical induction coil is designed, that is, two kinds of models of double layer series and double parallel connection. The coupling equivalent circuit of the two coils to heat the workpiece is used to analyze the key parameters that affect the electric efficiency. 2. According to the designed model, the spiral induction coils with different turns number, inner diameter, double-layer series connection and double-layer parallel connection are respectively wound by copper skin and hollow copper tube. 3. LCR-819 bridges and transformers are used to measure the resistance, inductance and quality of the coils when they are empty and when they are placed in copper and aluminum alloys. The electrical efficiency of these coils is compared and analyzed by calculating the measured values. In order to find out a suitable parameter of the double-layer coil, so that the electrical efficiency of copper, aluminum and other alloy materials can reach a reasonable value; 4. The double-layer parallel induction coil is used to connect transformer and induction power to heat the workpiece of copper and aluminum alloy, and the current value of no-load and load is recorded to calculate the actual electric efficiency value, so as to verify the feasibility of the double-layer induction coil in practical application.
【學(xué)位授予單位】：鄭州大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TM924.01

【參考文獻(xiàn)】

相關(guān)期刊論文 前9條

1 文盛樂(lè);關(guān)于電感線圈的聯(lián)接問(wèn)題[J];大學(xué)物理;2005年07期

2 袁泉林，孫祝;反并接和順并接總自感系數(shù)的討論[J];大學(xué)物理;1995年04期

3 劉佑昌;關(guān)于互感系數(shù)M＝噢[J];工科物理;1995年02期

4 唐清林;高頻感應(yīng)加熱設(shè)備感應(yīng)器的設(shè)計(jì)與制造[J];工業(yè)加熱;1997年04期

5 李韻豪;;鍛壓工業(yè)中的感應(yīng)加熱 第二講 感應(yīng)加熱電流頻率、功率、加熱時(shí)間的確定與螺線管感應(yīng)參數(shù)計(jì)算(上)[J];機(jī)械工人(熱加工);2007年02期

6 董清印;;高、中頻淬火感應(yīng)器設(shè)計(jì)[J];金屬加工(熱加工);2008年07期

7 包仕蓀,杜錦才,周一飛,吳秉鐸,丁大慶;試驗(yàn)法在感應(yīng)器設(shè)計(jì)中的應(yīng)用[J];金屬熱處理;2000年11期

8 孫寶林;;感應(yīng)器的類型、結(jié)構(gòu)尺寸的確定[J];機(jī)械工人;1985年04期

9 王云英,佘守憲,劉金昌;耦合線圈的互感、等效自感與磁能[J];天津理工學(xué)院學(xué)報(bào);2002年01期

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