WO2010043101A1 - 外转子型发电机定子绕组的连接结构 - Google Patents

外转子型发电机定子绕组的连接结构 Download PDF

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Publication number
WO2010043101A1
WO2010043101A1 PCT/CN2009/000907 CN2009000907W WO2010043101A1 WO 2010043101 A1 WO2010043101 A1 WO 2010043101A1 CN 2009000907 W CN2009000907 W CN 2009000907W WO 2010043101 A1 WO2010043101 A1 WO 2010043101A1
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Prior art keywords
stator
winding
outer rotor
rotor type
type generator
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PCT/CN2009/000907
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English (en)
French (fr)
Inventor
肖亨琳
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无锡开普动力有限公司
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Publication of WO2010043101A1 publication Critical patent/WO2010043101A1/zh

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/48Generators with two or more outputs
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • H02K21/222Flywheel magnetos
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/46Fastening of windings on the stator or rotor structure
    • H02K3/52Fastening salient pole windings or connections thereto
    • H02K3/521Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles

Definitions

  • the present invention relates to an outer rotor type generator, specifically, a connection structure between an outlet end of a stator winding of an outer rotor type generator and an incoming end of a motor harness.
  • the outlet end of the stator winding of the outer rotor type generator is generally connected to the incoming end of the motor harness through a terminal.
  • the Chinese invention patent with the publication number CN1102302C discloses a coil connection structure of an outer rotor type multi-pole generator.
  • the outlet end of the stator winding is connected to the terminal by melting, the incoming end of the motor harness is connected to the terminal, and the terminal is then connected to the terminal.
  • the terminal block and the terminal are used, and the connecting parts are many; the outlet end of the stator winding is connected to the terminal by melting, and the corresponding melting equipment is used, the process is complicated, and the manufacturing cost is high.
  • An object of the present invention is to overcome the above-mentioned deficiencies and to provide a connection structure of a stator winding of an outer rotor type generator which is simple in process and low in cost.
  • a connecting structure of a stator winding of an outer rotor type generator includes a stator core, a motor harness and a stator winding, and a mounting hole is arranged in a middle portion of the stator core, and the feature is: the stator iron An insulator is disposed around the periphery of the core and the periphery of the mounting hole, and the insulator is disposed on the periphery of the mounting hole, and the wire end of the stator winding is connected to the wire end of the motor harness through a solder joint. Solder joints are disposed in the threading holes.
  • the insulator on one side of the stator core is provided with a threading groove, the threading groove is in communication with the threading hole, and an outlet end of the stator winding is disposed in the threading groove.
  • An insulating glue is disposed in the threading hole.
  • An insulating glue is disposed in the threading groove.
  • Mounting holes are provided in the insulator on the inner periphery of the mounting hole.
  • stator cores of the stator core are respectively wound with stator windings, and the stator windings are divided into four groups, which are a main winding, a charging winding, an ignition winding and a control winding.
  • the invention eliminates the connection terminal and the binding post in the prior art, and directly connects the outlet end of the stator winding and the incoming end of the motor harness through the solder joint, the process is simple and the cost is low. 2.
  • the solder joint of the present invention is hidden in the threading hole, the tin-bismuth point is not damaged, and the connection is reliable.
  • the insulating glue is arranged in the threading hole and the threading groove, which not only acts as an insulation but also acts as a fixing solder joint.
  • the stator windings are divided into four groups and can output four different power sources.
  • FIG. 1 is a cross-sectional view showing the structure of an outer rotor type generator to which the present invention is applied.
  • Figure 2 is an axial view of the stator of Figure 1.
  • Figure 3 is a rear view of Figure 2.
  • Figure 4 is an A-A view of Figure 2.
  • Figure 5 is a B-B view of Figure 2.
  • Figure 6 is a winding diagram of the winding of the present invention.
  • stator 1 to 6 including stator 1, rotor 2, bolt 3, fan 4, stator first positioning pin 5, stator second positioning pin 6, engine crankshaft 7, engine block 8, main winding 9, charging winding 10, ignition winding 11, motor harness 12, control winding 13, threading slot 14, threading hole 15, mounting hole 16, insulator 17, stator core 18, outlet end 19 of stator winding, insulating glue 20, solder joint 21, The wire end 22 of the motor harness, the stator salient pole 23, the mounting hole 24, and the like.
  • an outer rotor type generator of the present invention is used.
  • the generator includes a stator 1 and a rotor 2.
  • the stator 1 is fixed to the engine block 8 by bolts 3.
  • Also provided on the bolt 3 are a stator first positioning pin 5 and a stator second positioning pin 6, the first positioning pin 5 and the second positioning pin 6 functioning to better position the stator 1 on the engine block 8.
  • the rotor 2 is mounted at one end of the crankshaft 7 of the engine, and a fan 4 is fixed to the rotor 2.
  • the present invention includes a stator core 18 in which a fitting hole 24 is provided in the center of the stator core 18.
  • the stator core 18 is formed by laminating stator blades.
  • An insulator 17 is provided around the stator core 18.
  • the insulator 17 is formed by molding an insulating material such as nylon on the laminated stator core 18.
  • the axial sides of the stator core 18, the inner periphery of the fitting hole 24, and the side surface of the stator salient pole 23 are molded with an insulator 17.
  • a threading hole 15 is provided in the insulator 17 at the inner periphery of the fitting hole 24.
  • the threading holes 15 are axial through holes, the number of which depends on the number of windings. Threading holes] 5 can be set in two rows, and two rows of threading holes 15 staggered, the purpose is to make the most of the space.
  • the outlet end 19 of the stator winding is connected to the incoming end 22 of the motor harness through a solder joint 21, and the solder joint 21 is disposed in the threading hole 15.
  • An insulating paste 20 is disposed in the threading hole 15.
  • the insulator 17 on the axial side of the stator core 18 may further be provided with a threading groove 14 , and the threading groove 14 communicates with the threading hole 15 , and the outlet end 19 of the winding is disposed in the threading groove 14 . .
  • An insulating paste 20 is disposed in the threading groove 14.
  • mounting holes 16 are provided in the insulator 17 on the inner periphery of the fitting hole 24.
  • the bolt 3 passes through the mounting hole 16 to fix the stator 1 to the engine block 8.
  • stator salient poles 23 of the stator core 18 which are respectively 23-a, 23-b, 23-c, 23-d, 23-e, 23 -f, 23-g, 23-h, 23- 23 -j > 23-k, 23-1, 23-m, 23-n, 23-o, 23-p, 23-q, 23-r, 23 -s, 23-U 23-u. 23-v, 23-w, 23-x, 23-y, 23-z, 23- ⁇ .
  • the stator stators 23 are respectively wound with stator windings.
  • the stator is wound around four groups, which are a main winding 9, a charging winding 10, an ignition winding 1 1 and a control winding 13.
  • the main winding 9 is provided with two groups, the first group of main windings 9 are distributed on the 23th to 23th stator salient poles, and the second group of main windings 9 are distributed in the 23rd portion. m to the 23th-xth stator salient pole.
  • the main winding 9 is used to provide three-phase AC power, respectively, two U-phases: U1 and U2; two V-phases: VI and V2; and two W-phases: W1 and W2.
  • N represents a neutral point.
  • the charging windings 10 are distributed on the 23th- ⁇ th stator salient poles, and two terminals are represented by R1 and R2.
  • the charging winding 10 outputs a DC power supply that can charge the battery.
  • the ignition windings 11 are distributed over the 23th-z stator salient poles, and the two terminals are represented by F1 and F2.
  • the control windings 13 are distributed over the 23th-yth stator salient poles, and the two terminals are represented by K1, ⁇ 2.
  • the motor harness 12 is disposed on the insulator 17 on one side of the stator core 18 without the threading groove 14, the wire end 22 of the motor harness passes through the respective threading holes 15, and is then brazed with the wire ends 19 of the respective windings by soldering.
  • the solder joint 21, and then the wire end 22 of the motor harness is pulled to hide the solder joint 21 in the threading hole 15, and the wire end 19 of each winding is embedded in the threading groove 14, and is poured in the threading hole 15 and the threading groove 14.
  • Insulating glue 20 The insulating paste 20 serves both as an insulating function and as a fixing solder joint 21.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Description

外转子型发电机定子绕组的连接结构
技术领域
本发明涉及一种外转子型发电机, 具体地说是外转子型发电机定子绕组 的出线端与电机线束的进线端之间的连接结构。
背景技术
外转子型发电机定子绕组的出线端一般通过接线端子与电机线束的进线 端连接。
公告日为 2003年 2月 26日, 公告号为 CN1102302C的中国发明专利公 开了一种外转子型多极发电机的线圈连接结构。 该专利中, 定子绕组的出线 端通过熔化与接线端子相连, 电机线束的进线端与接线柱相连, 然后接线端 子再与接线柱相连。此种连接结构中使用了接线端子及接线柱,连接零件多; 定子绕组的出线端通过熔化与接线端子相连, 需使用相应的熔化设备, 工序 复杂, 制作成本高。
发明内容
本发明的目的在于克服上述不足之处, 从而提供一种工序简单、 制作成 本低的外转子型发电机定子绕组的连接结构。
按照本发明提供的技术方案,一种外转子型发电机定子绕组的连接结构, 包括定子铁芯、 电机线束及定子绕组, 所述定子铁芯的中部设置装配孔, 特 征是: 所述定子铁芯的周围及装配孔内周边分别设置有绝缘体, 所述装配孔 内周边的绝缘体上设置有穿线孔, 所述定子绕组的出线端与电机线束的进线 端通过锡焊点连接, 所述锡焊点设置于所述穿线孔中。
所述定子铁芯轴向一侧的所述绝缘体上设置有穿线槽, 所述穿线槽与所 述穿线孔相通, 所述定子绕组的出线端设置于所述穿线槽内。
所述穿线孔内设置有绝缘胶。 所述穿线槽内设置有绝缘胶。
所述装配孔内周边的绝缘体上设置有安装孔。
所述定子铁芯的定子凸极上分别绕有定子绕组, 定子绕组分为四组, 分 别为主绕组、 充电绕组、 点火绕组及控制绕组。
本发明与已有技术相比具有以下优点:
1、本发明取消了现有技术中的接线端子与接线柱,将定子绕组的出线端 与电机线束的进线端通过锡焊点直接连接, 工序简单, 成本低。 2、 本发明的锡焊点隐藏于穿线孔中, 锡悍点不会损坏, 连接可靠。
3、将定子绕组的出线端设置于穿线槽内, 避免了与其他零件的干涉, 整 齐有序。
4、 穿线孔及穿线槽内设置绝缘胶, 既起绝缘作用, 又起固定锡焊点的作 用。
5、 定子绕组分为四组, 可输出四种不同的电源。
附图说明
图 1为使用本发明的外转子型发电机的结构剖视图。
图 2为图 1中定子的轴向视图。
图 3为图 2的后视图。
图 4为图 2中的 A-A视图。
图 5为图 2中的 B-B视图。
图 6为本发明的绕组绕线图。
具体实施方式
下面本发明将结合附图中的实施例作进一步描述:
图 1〜图 6所示, 包括定子 1, 转子 2, 螺栓 3, 风扇 4, 定子第一定位 销 5, 定子第二定位销 6, 发动机曲轴 7, 发动机缸体 8, 主绕组 9, 充电绕 组 10, 点火绕组 11, 电机线束 12, 控制绕组 13, 穿线槽 14, 穿线孔 15, 安 装孔 16, 绝缘体 17, 定子铁芯 18, 定子绕组的出线端 19, 绝缘胶 20, 锡焊 点 21, 电机线束的进线端 22, 定子凸极 23, 装配孔 24等。
如图 1所示, 为使用本发明的一种外转子型发电机。 该发电机包括定子 1及转子 2。定子 1通过螺栓 3固定在发动机缸体 8上。在螺栓 3上还设置有 定子第一定位销 5及定子第二定位销 6, 第一定位销 5与第二定位销 6的作 用是使定子 1更好地定位于发动机缸体 8上。 转子 2安装于发动机曲轴 7的 一端, 转子 2上固定有风扇 4。
如图 2〜图 4所示,本发明包括定子铁芯 18,定子铁芯 18的中部设置装 配孔 24。 定子铁芯 18是由定子冲片叠压而成。
定子铁芯 18的周围设置有绝缘体 17。绝缘体 17是在叠压好的定子铁芯 18上注塑尼龙等绝缘材料而成。 定子铁芯 18的的轴向两侧面、装配孔 24内 周边以及定子凸极 23的侧面均注塑有绝缘体 17。
装配孔 24内周边的绝缘体 17上设置有穿线孔 15。 穿线孔 15为轴向通 孔, 其数量按绕组的数量而定。 穿线孔 ] 5可以设置成两排, 并且两排穿线孔 15交错布置, 其目的是尽量利用空间。
如图 5所示, 定子绕组的出线端 19与电机线束的进线端 22通过锡焊点 21连接, 锡焊点 21设置于穿线孔 15中。 穿线孔 15内设置有绝缘胶 20。
再参见图 2及图 5, 定子铁芯 18轴向一侧的绝缘体 17上还可以设置有 穿线槽 14, 穿线槽 14与穿线孔 15相通, 定于绕组的出线端 19设置于穿线 槽 14内。 穿线槽 14内设置有绝缘胶 20。
装配孔 24内周边的绝缘体 17上设置有 4个安装孔 16。螺栓 3穿过安装 孔 16将定子 1固定在发动机缸体 8上。
如图 2、图 3所示,本实施例中,定子铁芯 18的定子凸极 23共有 27个, 分别为 23-a、 23-b、 23-c、 23- d、 23-e、 23-f、 23-g、 23- h、 23- 23 -j > 23-k、 23-1、 23-m、 23-n、 23-o、 23-p、 23-q、 23-r、 23-s、 23-U 23-u. 23-v、 23-w、 23-x、 23-y、 23-z, 23- Φ。 27个定子凸极 23上分别绕有定子绕组。 定子绕 组分四组, 分别为主绕组 9、 充电绕组 10、 点火绕组 1 1以及控制绕组 13。
如图 6所示,所述主绕组 9设有两组,第一组主绕组 9分布在第 23-a至 第 23-1个定子凸极上, 第二组主绕组 9分布在第 23-m至第 23-x个定子凸极 上。 主绕组 9用来提供三相的交流电源, 分别是, 2个 U相: U1和 U2; 2个 V相: VI和 V2 ; 2个 W相: W1和 W2。 N表示中性点。
所述充电绕组 10分布在第 23- Φ个定子凸极上, 用 Rl、 R2表示两个端 子。 充电绕组 10输出直流电源, 可以对电池进行充电。
所述点火绕组 11分布在第 23-z个定子凸极上,用 F1、F2表示两个端子。 所述控制绕组 13分布在第 23- y个定子凸极上, 用 Kl、 Κ2表示两个端 子。
本发明的工作过程如下:
电机线束 12布置在绝缘体 17上无穿线槽 14的定子铁芯 18的一侧, 电 机线束的进线端 22穿过各穿线孔 15,然后分别与各绕组的出线端 19用焊锡 进行钎焊形成锡焊点 21,接着牵拉电机线束的进线端 22使锡焊点 21隐藏在 穿线孔 15中, 将各绕组的出线端 19嵌入穿线槽 14中, 在穿线孔 15及穿线 槽 14中灌注绝缘胶 20。 绝缘胶 20既起绝缘作用, 又起固定锡焊点 21的作 用。

Claims

权 利 要 求
1、 一种外转子型发电机定子绕组的连接结构, 包括定子铁芯 (18)、 电 机线束(12 )及定子绕组, 所述定子铁芯(18 ) 的中部设置装配孔(24), 其 特征是: 所述定子铁芯 (18) 的周围及装配孔 (24) 内周边分别设置有绝缘 体(17), 所述装配孔 (24) 内周边的绝缘体 (17 ) 上设置有穿线孔 (15), 所述定子绕组的出线端 (19) 与电机线束的进线端 (22) 通过锡焊点 (21 ) 连接, 所述锡焊点 (21 ) 设置于所述穿线孔 (15) 中。
2、根据权利要求 1所述的外转子型发电机定子绕组的连接结构,其特征 在于所述定子铁芯(18 )轴向一侧的所述绝缘体(17 )上设置有穿线槽(14), 所述穿线槽 (14) 与所述穿线孔 (15 ) 相通, 所述定子绕组的出线端 (19) 设置于所述穿线槽 (14) 内。
3、根据权利要求 1所述的外转子型发电机定子绕组的连接结构,其特征 在于所述穿线孔 (15) 内设置有绝缘胶 (20)。
4、根据权利要求 2所述的外转子型发电机定子绕组的连接结构,其特征 在于所述穿线槽 (14 ) 内设置有绝缘胶 (20)。
5、根据权利要求 1所述的外转子型发电机定子绕组的连接结构,其特征 在于所述装配孔 (24) 内周边的绝缘体 (17) 上设置有安装孔 (16)。
6、根据权利要求 1所述的外转子型发电机定子绕组的连接结构,其特征 在于所述定子铁芯 (18) 的定子凸极 (23 ) 上分别绕有定子绕组, 定子绕组 为四组,分别为主绕组(9)、充电绕组(10)、点火绕组 ΐ )及控制绕组(13)。
7、根据权利要求 6所述的外转子型发电机定子绕组的连接结构,其特征 在于所述主绕组 (9 ) 设有两组, 第一组主绕组 (9 ) 分布在第 (23-a) 至第
(23-1 )个定子凸极(23 )上;第二组主绕组(9)分布在第(23-m)至第(23-x) 个定子凸极上。
8、根据权利要求 6所述的外转子型发电机定子绕组的连接结构,其特征 在于所述充电绕组 (10) 分布在第 (23-Φ ) 个定子凸极上。
9、根据权利要求 6所述的外转子型发电机定子绕组的连接结构,其特征 在于所述点火绕组 (11 ) 分布在第 (23-z) 个定子凸极上。
10、 根据权利要求 6所述的外转子型发电机定子绕组的连接结构, 其特 征在于所述控制绕组 (13) 分布在第 (23-y) 个定子凸极上。
PCT/CN2009/000907 2008-10-16 2009-08-10 外转子型发电机定子绕组的连接结构 WO2010043101A1 (zh)

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CN107968510A (zh) * 2017-12-29 2018-04-27 重庆超力高科技股份有限公司 绝缘骨架、定子组件以及无刷电机

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CN101394117A (zh) * 2008-10-16 2009-03-25 无锡开普动力有限公司 外转子型发电机定子绕组的连接结构
CN102655355B (zh) * 2011-03-04 2015-05-13 苏州工业园区泰格电子科技有限公司 一种定子铁芯集线装置

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