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    • 7. 发明授权
    • Apparatus and method for testing number of turns on coil
    • 用于测试线圈匝数的装置和方法
    • US08653850B2
    • 2014-02-18
    • US13320212
    • 2009-05-19
    • Wei CaiWeimin ZhangJiangtao Wang
    • Wei CaiWeimin ZhangJiangtao Wang
    • G01R31/06H02P1/00
    • G01R29/20G01R31/346
    • An apparatus for testing number of turns, used for testing the number of turns of a winding coil on an electrical machine stator with concentrated winding, comprising: a base (6); a rod-shaped rotor bracket (4) around one end of which an excitation coil (1) is wound and around the other end of which a standard coil (2) is wound; a joining member for joining the base (6) with the rotor bracket (4) so that the base (6) and the rotor bracket (4) can rotate relative to each other, wherein the plane of the base (6) is parallel to the rotor bracket (4); a fixing member for fixing the electrical machine stator (5) with concentrated winding to the base (6) so as to make the stator (5) concentric and coplanar with the rotor bracket (4); a galvanometer (17) connected to the standard coil (2), which is connected to the tested coil (3) of the stator (5) in reverse polarity to form a loop during testing. Also provided is a method for using the apparatus to test the number of turns. The apparatus for testing number of turns has a simple structure, is of great utility and can test the number of turns of a winding coil on an electrical machine stator with concentrated winding directly.
    • 一种用于测试匝数的装置,用于测试具有集中绕组的电机定子上的绕组线圈的匝数,包括:基座(6); 杆状转子支架(4)围绕其一端缠绕励磁线圈(1)并绕其另一端缠绕有标准线圈(2)的一端; 用于将所述基座(6)与所述转子支架(4)接合的接合构件,使得所述基座(6)和所述转子支架(4)能够相对于彼此旋转,其中所述基座(6)的平面平行于 转子支架(4); 固定构件,用于将具有集中绕组的电机定子(5)固定到基座(6),以使定子(5)与转子支架(4)同心并共面; 连接到标准线圈(2)的电流计(17),其以相反极性连接到定子(5)的测试线圈(3),以在测试期间形成环路。 还提供了一种使用该装置来测试匝数的方法。 用于测试匝数的装置结构简单,具有很大的实用性,可以直接测试集中绕组的电机定子上绕组线圈的匝数。
    • 10. 发明申请
    • Electric Machine And Oil Cooling Method For Electrical Machine
    • 电机电机及油冷方式
    • US20120235521A1
    • 2012-09-20
    • US13513019
    • 2010-01-26
    • Wei CaiYi ZhengXinglian Yuan
    • Wei CaiYi ZhengXinglian Yuan
    • H02K9/19H02K15/00
    • H02K9/19H02K9/197
    • An electrical machine comprises a casing (1), an oil inlet hole (7), an oil passage (2), oil outlet holes (3), a stator retainer (8), a casing end cover (10), a stator iron core (5), winding coils (6), slot insulations (12) and oil-guides (4). The oil passage (2) is located inside the casing (1) and links with the oil inlet hole (7) of the casing (1) and the oil outlet holes (3) of the stator retainer (8). The oil outlet holes (3) are located above the winding coils (6) and the oil-guides (4) are located between the oil outlet holes (3) and the winding coils (6). Oil entering from the oil inlet hole (7) pours onto the winding coils (6) by the guidance of the oil-guides (4) after flowing through the oil passage (2) and flowing out of the oil outlet holes (3). The winding coils of the electrical machine can be effectively cooled and the electrical machine can achieve higher thermal durability. An oil cooling method for the electrical machine is also provided.
    • 电机包括壳体(1),进油孔(7),油路(2),出油孔(3),定子保持架(8),壳体端盖(10),定子铁 (5),绕组线圈(6),槽绝缘(12)和导油器(4)。 油路(2)位于壳体(1)的内部,与壳体(1)的进油孔(7)和定子保持架(8)的排油孔(3)连结。 出油孔(3)位于绕组线圈(6)的上方,导油件(4)位于排油孔(3)和绕组线圈(6)之间。 从进油孔(7)进入的油在流经油路(2)并从出油孔(3)流出之后,通过导油件(4)的引导而在卷绕线圈(6)上倾倒。 可以有效地冷却电机的绕组线圈,并且电机可以实现更高的耐热性。 还提供了一种用于电机的油冷却方法。