CN1311617C - 制造高温超导线圈的装置和方法 - Google Patents
制造高温超导线圈的装置和方法 Download PDFInfo
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Abstract
一种跑道形状的高温超导(HTS)线圈由位于精密线圈模板上受压的分层缠绕的HTS带(18)构成,HTS带带有结合剂,如未浸渍线层层间绝缘材料。线圈模板包括跑道形状的线圈架(12),两个侧面板(14),和一系列限定了线圈外表面的块状体(16)。绕组的外表面采用连接到热交换器管路的铜箔进行外包装。线圈在线圈模板中进行烘烤以固化环氧树脂,然后从线圈模板中释放。产生的线圈结构是一种坚固的具有精密容许尺寸的绕组复合体。
Description
技术领域
本发明总的来讲涉及一种同步转动电机的超导线圈。具体来讲,本发明涉及一种制造同步转动电机的转子的超导激励绕组的装置和方法。
背景技术
具有激励线圈绕组的电机包括但又不限于旋转发电机,旋转电动机和线性电动机。这些电机通常包括电磁偶合的定子和转子。转子可包括多极转子芯和固定在转子芯上的线圈绕组。转子芯可以包括可以导磁的固体材料,比如铁心转子。
传统的铜绕组一般用于同步电机的转子。然而,铜绕组的电阻(虽然根据传统的度量标准是很低的)足以对转子产生很大热量并减少电机的能量效率。近来,已经开发出超导线圈绕组供转子使用,超导线圈绕组实际上没有电阻,是具有很大优越性的转子线圈绕组。
用作电机的转子激励绕组的高温超导线圈必须设计成一种具有精密尺寸误差的刚性结构,所以,结构支撑件不能以过大的间隙安装到线圈上。过大的间隙可造成高应变和可能损坏加载的线圈。当带状导体缠绕在跑道形状的线圈模板的直线部分时,与圆弧部分相比,带状导体的回弹形成了很差的填充系数(packing factor)和低强度的复合体。
典型的超导转子绕组是用鞍状线圈制成。鞍状线圈围绕用作结构支撑体的圆柱形外壳进行装配。这些鞍状线圈具有复杂的绕组结构,可能导致高温超导(HTS)带导线在缠绕操作时形成过度应变,这是由于弯曲的直径、导线的盘旋、和冷却下来时绕组相对支撑结构出现不同的热应变。
发明内容
在本发明的一个示例性的实施例中,提供了一种制造高温超导(HTS)线圈的装置,所述装置包括:相对的两个侧面板;设置在侧面板之间的线圈架,该线圈架是跑道形的,带有直线的侧面部分,并且可放置层间带有结合剂的高温超导带的各层;以及靠在侧面板的外侧表面上装配的多个块状体,其可朝向线圈架移动以压迫位于线圈架上的高温超导带的各层。。
所述多个块状体通过螺栓安装到所述侧面板的外侧表面上。在本实施例中,所述螺栓的尺寸加工成可逐步地压迫所述HTS带的各层。另外,所述多个块状体包括不同厚度的块状体,可根据HTS带的层数选择性地压迫HTS带的各层。还有,所述多个块状体包括多个最后块状体,其形状可根据所述超导线圈希望的外部尺寸进行加工。结合剂可包括任何适合的材料,最好包括预浸渍线层层间绝缘材料或热塑性材料。
在本发明的另一个示例性的实施例中,提供了一种利用装置来制造高温超导(HTS)线圈的方法,该装置包括:相对的两个侧面板;设置在侧面板之间的线圈架,该线圈架是跑道形的并带有直线的侧面部分;以及靠在侧面板外侧表面装配的多个块状体,其可朝向或离开线圈架移动,该方法包括步骤:a.在线圈架上缠绕高温超导带;b.对所缠绕的高温超导带施加结合剂;c.利用多个块状体来朝向线圈架压迫高温超导带和结合剂;d.烘烤受压的高温超导带和结合剂,使结合剂固化。
优选的是,对HTS带的各层进行所述步骤a、步骤b和步骤c。另外,在缠绕HTS带的各层后进行所述步骤b和步骤c。在本实施例中,步骤b是通过真空压力浸渍工艺对缠绕的多层HTS带进行环氧树脂浸渍来执行的。还有,在本实施例中,步骤a使用了带有预浸渍的涂层的HTS带。
本方法还包括在进行步骤a之前将所述线圈的起始端固定到所述两个侧面板之一上的导线端子上并向所述线圈架上施加结合剂的步骤。在本实施例中,本方法还包括在进行步骤d之前将所述线圈的尾端固定在所述两个侧面板中另一个上的导线端子上并在所述线圈上设置一层铜箔的步骤,所述铜箔连接到矩形冷却热交换器管路;和在加热的情况下重复步骤c。
此外,本发明还提供了一种制造高温超导线圈的方法,其包括步骤:a.在线圈架上缠绕高温超导带,该线圈架是跑道形的并带有直线的侧面部分;b.对所缠绕的高温超导带施加结合剂;c.利用多个块状体来压迫高温超导带和结合剂,其中块状体设置成可朝向线圈架移动;d.烘烤受压的高温超导带和结合剂,对结合剂进行固化。
附图说明
图1是显示本发明的制造跑道形状的HTS线圈的装置和方法的装配图;和
图2是所述装置的透视图。
部件表:线圈模板 10
线圈架 12
侧面板 14
块状体 16
HTS带绕组 18
具体实施方式
图1和2显示了用于制造高温超导(HTS)线圈的精密的线圈模板10。HTS线圈一般是在线圈模板上承受压力的HTS带分层绕组,并经过环氧树脂浸渍,还要受到压迫以便具有精密的尺寸误差。已经知道有多种类型的HTS带,任何合适的HTS带都可以用于制造本发明的HTS线圈。
线圈模板10包括跑道形状的线圈架12,其带有如图所示的基本上直线的侧面部分;和两个相对的包围了线圈架12的侧面板14。板14可包括浸渍孔(未显示),以便在对HTS带绕组压迫之后对其进行压力环氧树脂浸渍。一系列的块状体16在侧面板14的外侧面进行装配,并可以通过螺栓或类似的紧固件向线圈架121移动或向离开线圈架的方向移动。HTS带绕组在图1中以标号18示出。
在制造HTS线圈的过程中,线圈的起始导线焊接到导线端子如铜导线端子或类似的物体上,导线端子则固定在一个侧面板14上的靠近线圈的中心线的位置处。一层结合剂,如预浸渍线层层间绝缘材料或热塑性材料如聚酯,涂敷在线圈架12上,然后缠绕第一层的HTS带。块状体16,尤其至少是直线的块状体,通过螺栓连接到侧面板14上,相对线圈架12压迫第一层的直线部分,使第一层HTS带、预浸渍的绝缘层、和线圈架12都粘结在一起。第二层结合剂材料(预浸渍线层层间绝缘材料)涂敷在第一层HTS带顶面,然后缠绕第二层HTS带。用相同系列的直线块状体16向绕线架12压迫绕组18,使所有的层粘结在一起。各层的缠绕继续进行直到最后的奇数层完成。尾端导线焊接到铜的导线端子,该导线端子固定在另一个侧面板14上的靠近线圈的中心线的位置处。
一层预浸渍线层层间绝缘材料然后施加在完成的绕组的外表面上,其后是一层铜箔,铜箔的外表面与矩形冷却热交换器管路连接。一系列直线块状件和角部块状件(如图1所示)通过侧面板14装配到铜箔的外表面,在以适当的热量加热时逐步地压迫完成的线圈,使线圈外表面具有精密形状。在均匀的温度下烘烤装配完的线圈模板和绕组,进行结合剂的固化。根据特定材料的固化温度,加热温度是不同的。得到的线圈结构是坚固的具有精密的尺寸误差的绕组复合体。
在制造过程中,将块状件16固定到侧面板14的螺栓尺寸可以加工成可实现逐步地压迫HTS带的各层。通过这种方式,只需要一个产品系列的块状体16,因为螺栓可以当各层形成时逐步地压迫HTS带。或者,多个块状体可以包括厚度不同的块状体,以根据HTS带的层数有选择地压迫。块状体还可以包括多个最后块状体,其形状可根据所希望的超导线圈(见图2)的外径来加工以得到精密尺寸的线圈形式。
在改进的制造绕组的过程中,在HTS带上使用了预浸渍的绝缘涂层,因此,取消了中间层的预浸渍线层。产生的线圈结构具有HTS带的高填充系数,导致较高的绕组电流密度。在另一个可采用的方式中,玻璃绝缘的HTS带可以使用快速固化的粘接剂来使各层连接和压迫分离的前一层。接下来,完成的绕组通过真空压力浸渍工艺进行环氧树脂浸渍。真空压力浸渍工艺是众知的,对其细节将不加以介绍。
采用本发明的结构和方法,缠绕的HTS带的各层可以与前一层连接和压向前一层,消除了至少在直线部分的HTS带的回弹,因此避免出现很差的填充系数、电流密度降低、和绕组复合体的低下的强度性能。用本发明的装置和方法制成的HTS线圈形成了精密的线圈形式,可防止超应变和在加载时线圈可能的损坏。
尽管已经结合目前认为是最可行的和优选的实施例对本发明进行了介绍,应当认识到本发明并不受限于所公开的实施例,相反地,本发明期望包括在所附权利要求的精神实质和范围内的改进和等效的装置。
Claims (16)
1.一种制造高温超导线圈的装置,所述装置包括:
相对的两个侧面板(14);
设置在所述侧面板之间的线圈架(12),所述线圈架(12)是跑道形的并带有直线的侧面部分,所述线圈架可放置层间带有结合剂的高温超导带(18)的各层;和
靠在所述侧面板外侧表面上装配的多个块状体(16),所述块状体可以朝所述线圈架移动,压迫位于所述线圈架上的所述高温超导带的各层。
2.根据权利要求1所述的装置,其特征在于,所述多个块状体(16)通过螺栓安装到所述侧面板(14)的外侧表面上。
3.根据权利要求2所述的装置,其特征在于,所述螺栓的尺寸加工成可逐步地压迫所述高温超导带(18)的各层。
4.根据权利要求2所述的装置,其特征在于,所述多个块状体(16)包括不同厚度的块状体,可根据所述高温超导带(18)的层数选择性地压迫高温超导带(18)的各层。
5.根据权利要求2所述的装置,其特征在于,所述多个块状体(16)包括多个最后块状体,其形状可根据所述超导线圈希望的外部尺寸进行加工。
6.根据权利要求1所述的装置,其特征在于,所述结合剂包括预浸渍线层的层间绝缘材料。
7.根据权利要求1所述的装置,其特征在于,所述结合剂包括热塑性材料。
8.一种利用装置来制造高温超导线圈的方法,所述装置包括:相对的两个侧面板(14);设置在所述侧面板之间的线圈架(12),所述线圈架(12)是跑道形的并带有直线的侧面部分;和靠在所述侧面板外侧表面装配的多个块状体(16),所述块状体可以朝向或离开所述线圈架移动,
所述方法包括步骤:
a.在所述线圈架(12)上缠绕高温超导带(18);
b.对所述缠绕的高温超导带(18)施加结合剂;
c.利用所述多个块状体(16)朝所述线圈架(12)压迫所述高温超导带和所述结合剂;
d.烘烤所述受压的高温超导带和所述结合剂,对所述结合剂进行固化。
9.根据权利要求8所述的方法,其特征在于,对所述高温超导带(18)的各层进行所述步骤a、步骤b和步骤c。
10.根据权利要求8所述的方法,其特征在于,在缠绕所述高温超导带(18)的多层后进行所述步骤b和步骤c。
11.根据权利要求10所述的方法,其特征在于,所述步骤b是通过真空压力浸渍工艺对缠绕的多层高温超导带(18)进行环氧树脂浸渍来执行的。
12.根据权利要求10所述的方法,其特征在于,所述步骤a使用带有预浸渍的涂层的高温超导带(18)来进行。
13.根据权利要求8所述的方法,其特征在于,所述方法还包括在进行步骤a之前将所述线圈的起始端固定到所述两个侧面板之一上的导线端子上并向所述线圈架(12)施加结合剂的步骤。
14.根据权利要求13所述的方法,其特征在于,所述方法还包括在进行步骤d之前将所述线圈的尾端固定在所述两个侧面板(14)中另一个上的导线端子上并在所述线圈上设置一层铜箔的步骤,所述铜箔连接到矩形冷却热交换器管路,和在加热的情况下重复步骤c。
15.根据权利要求8所述的方法,其特征在于,通过朝向所述线圈架的所述直线的侧面部分压迫所述高温超导带(18)和所述结合剂来进行所述步骤c。
16.一种制造高温超导线圈的方法,所述方法包括步骤:
a.在线圈架(12)上缠绕高温超导带(18),所述线圈架(12)是跑道形的并带有直线的侧面部分;
b.对所述缠绕的高温超导带(18)施加结合剂;
c.利用多个块状体(16)来压迫所述高温超导带和所述结合剂,其中所述块状体设置成可朝向所述线圈架移动;
d.烘烤所述受压的高温超导带和所述结合剂,对所述结合剂进行固化。
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US09/854,464 US6922885B2 (en) | 2001-05-15 | 2001-05-15 | High temperature superconducting racetrack coil |
US09/854464 | 2001-05-15 |
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EP (1) | EP1261112A3 (zh) |
JP (1) | JP4111745B2 (zh) |
KR (1) | KR100897651B1 (zh) |
CN (1) | CN1311617C (zh) |
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CA (1) | CA2384593C (zh) |
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MXPA02004839A (es) | 2004-12-13 |
EP1261112A2 (en) | 2002-11-27 |
NO20022299D0 (no) | 2002-05-14 |
CA2384593A1 (en) | 2002-11-15 |
PL353914A1 (en) | 2002-11-18 |
CN1385951A (zh) | 2002-12-18 |
US20020170166A1 (en) | 2002-11-21 |
NO20022299L (no) | 2002-11-18 |
CA2384593C (en) | 2011-12-13 |
JP4111745B2 (ja) | 2008-07-02 |
JP2003037970A (ja) | 2003-02-07 |
KR20020090861A (ko) | 2002-12-05 |
BR0201804B1 (pt) | 2013-02-19 |
PL199881B1 (pl) | 2008-11-28 |
US6922885B2 (en) | 2005-08-02 |
EP1261112A3 (en) | 2004-03-03 |
NO331254B1 (no) | 2011-11-07 |
KR100897651B1 (ko) | 2009-05-14 |
CZ20021669A3 (cs) | 2003-02-12 |
BR0201804A (pt) | 2003-03-11 |
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