WO2024207149A1 - 定子组件和电机 - Google Patents

定子组件和电机 Download PDF

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Publication number
WO2024207149A1
WO2024207149A1 PCT/CN2023/085969 CN2023085969W WO2024207149A1 WO 2024207149 A1 WO2024207149 A1 WO 2024207149A1 CN 2023085969 W CN2023085969 W CN 2023085969W WO 2024207149 A1 WO2024207149 A1 WO 2024207149A1
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WIPO (PCT)
Prior art keywords
conductor
stator assembly
slot
winding
assembly according
Prior art date
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Ceased
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PCT/CN2023/085969
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English (en)
French (fr)
Inventor
夏建云
龚宇
黄建成
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Schaeffler Technologies AG and Co KG
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Schaeffler Technologies AG and Co KG
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Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to PCT/CN2023/085969 priority Critical patent/WO2024207149A1/zh
Priority to CN202380091099.8A priority patent/CN120604433A/zh
Publication of WO2024207149A1 publication Critical patent/WO2024207149A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/22—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of hollow conductors

Definitions

  • the present invention relates to the technical field of electric motors, and in particular to a stator assembly for an electric motor and the electric motor itself.
  • Indirect cooling is currently used in the market to cool the stator assembly in the motor. This is mainly achieved by setting a cooling water jacket on the shell located at the periphery of the stator assembly.
  • the heat dissipation path in the stator assembly is as follows: the heat generated at the winding conductor first needs to be transferred to the stator core through the insulating paper on the outside, then transferred from the stator core to the aluminum shell of the cooling water jacket, and finally carried away from the cooling water jacket with the help of the coolant in the cooling water jacket.
  • a direct cooling method can also be used.
  • a direct cooling scheme the winding conductor is replaced with a hollow conductor, and the insulating coolant can flow inside the hollow conductor, so that the heat generated by the winding conductor can be directly taken away from the stator winding.
  • This type of scheme is shown, for example, by the German patent publication DE102019112389A1.
  • a groove can be provided on the outer surface of the winding conductor, so that after the winding is stacked, different winding conductor sections can form a cooling channel for the insulating coolant to flow, and the coolant can also directly take the heat generated by the winding conductor away from the stator winding.
  • This type of scheme is shown, for example, by the Chinese patent publication CN111463942B.
  • an object of the present invention is to provide a cooling solution for a stator assembly of an electric motor, which can provide sufficient cooling efficiency so that the electric motor can provide driving force for a pure electric vehicle or a hybrid vehicle, while ensuring an acceptable manufacturing cost.
  • the stator assembly includes a stator core and a winding, wherein the stator core is cylindrical as a whole and has a plurality of slots on the radial inner surface, and the winding includes a first conductor and a second conductor, wherein the first conductor and the second conductor are at least partially arranged in the slot in at least two layers, wherein the first conductor is configured as a solid conductor, and a channel is configured inside the second conductor that passes through the second conductor in the extension direction, wherein the first conductor is arranged at the bottom of the slot, and the second conductor is arranged at the slot mouth of the slot.
  • stator assembly is cylindrical as a whole and can be particularly used for inner rotor type rotating motors.
  • the rotor assembly of the motor can be arranged radially inside the stator assembly.
  • axial is the extension direction of the central axis of the stator assembly or the direction extending parallel to the central axis;
  • radial is the direction perpendicular to the central axis of the stator assembly and intersecting with the central axis;
  • circumferential direction is the direction around the central axis of the stator assembly.
  • the winding described herein includes a solid first conductor and a hollow second conductor, wherein the first conductor and the second conductor respectively have a straight section arranged in the slot of the stator core and respectively have an end section extending beyond the slot in the axial direction.
  • the first conductor and the second conductor are electrically connected in a predetermined manner directly through the end section or indirectly by means of other components, such as connectors, outside the axial end of the stator core, so as to form a complete winding coil.
  • the lap winding form of the winding is not limited, and it can be constructed as a wave winding or a lap winding, for example.
  • the statement “the first conductor and the second conductor are at least partially arranged in the slot in at least two layers” can be understood as that the straight sections of the first conductor and the straight sections of the second conductor are stacked in each slot so that the straight sections of different conductors are arranged in at least two layers in the radial direction.
  • the through channel in the second conductor can be used for the insulating cooling medium, such as cooling oil, to flow therein, and for this purpose, the channel inlet and channel outlet of the cooling medium are formed at the winding end. It can be understood by those skilled in the art that necessary fluid conveying power devices, such as pumps and other supporting devices, need to be provided for this purpose.
  • the cooling medium flowing inside the second conductor can directly take away the heat at the slot opening where the power loss is the largest, thereby efficiently achieving cooling at the position where the heat dissipation demand is high, thereby meeting the requirements of providing electric driving force to pure electric vehicles or hybrid electric vehicles.
  • the stator assembly has an overall lower cost while ensuring cooling efficiency.
  • the first conductor and the second conductor are at least partially arranged in the slot in four, six or eight layers.
  • the straight sections of the first conductor and the straight sections of the second conductor are stacked in each slot in four, six or eight layers in the radial direction.
  • the two layers of conductors arranged at the slot openings of the slot portion are the second conductors.
  • the two layers of conductors closest to the radial inner side are the second conductors, and the conductors in the other layers located radially outside are the first conductors.
  • the two layers of hollow conductors can effectively cool the winding in which the conductors are arranged in more layers.
  • the first conductor and the second conductor are made of copper or a copper alloy material.
  • the resistivity of the winding can be kept low, and the stator copper loss can be kept low.
  • first conductor and the second conductor are overall U-shaped.
  • first conductor and the second conductor are configured as U-shaped pins, also called hairpin pins, for example.
  • the first conductor and the second conductor are in a straight line shape as a whole.
  • the first conductor and the second conductor are configured as I-shaped needles, for example.
  • the first conductor and the second conductor are designed as round wires, thereby making it easier to manufacture the first conductor and the second conductor.
  • the first conductor and the second conductor are configured as flat wires.
  • the slot filling rate of the motor can be increased, so that more conductors can be filled in the motor under the premise of unchanged space, thereby generating a stronger magnetic field strength and improving power density.
  • the channel of the second conductor has a circular or quadrilateral cross section, thereby facilitating the production of the hollow conductor.
  • an electric motor which includes a stator assembly constructed as described in the above embodiment.
  • FIG. 1 is a perspective view of a stator assembly according to an embodiment of the present invention
  • FIG2 is a radial cross-sectional view of the stator assembly shown in FIG1 ;
  • FIG3 is a partial enlarged view of FIG2
  • FIG. 4 is a perspective view of a first conductor of a winding of the stator assembly according to FIG. 1 ;
  • FIG5 is a partial perspective view of an end portion of the first conductor according to FIG4 ;
  • FIG. 6 is a perspective view of a second conductor of a winding of the stator assembly according to FIG. 1 ;
  • FIG. 7 is a partial perspective view of an end portion of the second conductor according to FIG. 6 .
  • FIG1 shows a perspective view of a stator assembly according to an embodiment of the present invention.
  • the stator assembly shown here is used, for example, for a permanent magnet synchronous motor.
  • the permanent magnet synchronous motor can be used in an electric bridge drive system of a pure electric vehicle or a hybrid vehicle. It can be understood that the permanent magnet synchronous motor also includes necessary components such as a rotor assembly not shown. In some other embodiments, the motor stator assembly can also be used for other types of motors.
  • the stator assembly 100 is cylindrical in shape as a whole.
  • the stator assembly 100 includes a stator core 20 and a winding 10.
  • the stator core 20 is cylindrical in shape as a whole.
  • the stator core 20 is configured with a plurality of grooves 21 distributed along the circumferential direction on the radial inner surface, and each groove 21 extends approximately in the axial direction and opens toward the radial inner side of the stator core 20.
  • the middle section of the winding 10 is embedded in the groove 21 and forms winding ends at the axial ends of the stator core 20.
  • Fig. 2 shows a radial cross-sectional view of the stator assembly 100 shown in Fig. 1.
  • Fig. 3 shows a partial enlarged view of a single slot portion 21 of the stator core 20 in Fig. 2 .
  • the winding 10 includes a first conductor 11 and a second conductor 12.
  • the first conductor 11 and the second conductor 12 are made of copper material.
  • Figure 5 shows a partial perspective view of an end of the first conductor 11 according to Figure 4.
  • Figure 6 shows a perspective view of a second conductor 12 of the winding 10 of the stator assembly 100 according to Figure 1.
  • Figure 7 shows a partial perspective view of an end of the second conductor 12 according to Figure 6.
  • the first conductor 11 is configured as a solid flat hairpin.
  • the hairpin constituting the first conductor 11 is bent into a U-shape as a whole, wherein the first conductor 11 has two legs and a bent portion connecting the two legs.
  • the two legs each have a straight section for being arranged in a slot 21 of the stator core 20.
  • the first conductor 11 has a substantially rectangular cross section.
  • the second conductor 12 is configured as a hollow flat wire hairpin.
  • the hairpin constituting the second conductor 12 is bent into a U-shape as a whole, wherein the second conductor 12 has two legs and a bent portion connecting the two legs.
  • the two legs respectively have a straight section for being arranged in the slot 21 of the stator core 20.
  • the second conductor 12 is configured with a channel 121 that passes through along the extension direction of the second conductor 12.
  • the extension trend of the channel 121 corresponds to the overall U-shaped extension direction of the second conductor 12. Accordingly, the channel 121 located at the straight section of the second conductor 12 will be positioned in the slot 21 of the stator core 20 after the stator assembly 100 is assembled.
  • the cross section of the second conductor 12 has a substantially rectangular outer contour and the cross section of the channel 121 of the second conductor 12 is also substantially rectangular.
  • the winding 10 is constructed such that the first conductor 11 and the second conductor 12 are embedded in the slot 21 of the stator core 20 in a four-layer arrangement.
  • the straight sections of the first conductor 11 and the straight sections of the second conductor 12 are arranged in four layers distributed in the radial direction, wherein the solid first conductor 11 is arranged in two layers close to the slot bottom 21a, that is, in two layers located in the radial outer side of the stator assembly 100, and the hollow second conductor 12 is arranged in two layers close to the slot opening 21b, that is, in two layers located in the radial inner side of the stator assembly 100.
  • Insulating paper 13 is arranged between each conductor 11, 12.
  • the free ends of the legs of the first conductor 11 and the second conductor 12 are electrically connected in a predetermined manner directly or by means of other components, such as connectors, outside the axial end of the stator core 20, thereby forming a complete winding coil.
  • the cooling medium inlet and cooling medium outlet of the channel 121 in each second conductor 12 are formed at the end of the stator core 20.
  • the insulating cooling medium is cooling oil.
  • the cooling medium flowing inside the second conductor 12, especially inside the straight section of the second conductor 12 can directly take away the heat at the location where the power loss is the largest, that is, the heat at the winding conductor located at the slot 21b, thereby efficiently achieving cooling at the location where the heat dissipation demand is high, thereby meeting the current requirements for providing electric driving force to pure electric vehicles or hybrid vehicles.
  • the cooling medium flowing inside the second conductor 12 can directly take away the heat at the location where the power loss is the largest, that is, the heat at the winding conductor located at the slot 21b, thereby efficiently achieving cooling at the location where the heat dissipation demand is high, thereby meeting the current requirements for providing electric driving force to pure electric vehicles or hybrid vehicles.
  • it is also not necessary to configure all conductors as relatively expensive hollow conductors thereby ensuring cooling efficiency while having a lower cost for the entire stator assembly 100.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Windings For Motors And Generators (AREA)

Abstract

本发明涉及一种用于电机的定子组件和电机自身。所述定子组件(100)包括定子铁芯(20)和绕组(10)，其中，所述定子铁芯(20)整体呈圆筒状并且在径向内侧表面构造有多个槽部(21)，所述绕组(10)包括第一导体(11)和第二导体(12)，所述第一导体(11)和所述第二导体(12)至少局部地以至少两层的布置方式布置所述槽部(21)内，其中，所述第一导体(11)构造为实心导体，所述第二导体(12)内部构造有沿所述第二导体(12)的延伸方向贯通的通道(121)，其中，所述第一导体(11)布置在所述槽部(21)的槽底处，所述第二导体(12)布置在所述槽部(21)的槽口(21b)处。所述电机包括如上所述的定子组件(100)。

Description

定子组件和电机 技术领域
本发明涉及电机技术领域。本发明具体地涉及一种用于电机的定子组件以及电机自身。
背景技术
在当前的电机、尤其用于向纯电动车辆或者混动动力车辆提供电驱动力的电机中，需要为绕组配置用于强制降温的冷却方案，以此来保障电机的正常运行。
针对电机中定子组件的冷却，目前市场上多采用间接冷却的方式。这主要通过在位于定子组件的外周处的壳体上设置冷却水套实现。在这种情况下，定子组件中的散热途径为：在绕组导体处产生的热量首先需要经由其外侧的绝缘纸传递到定子铁芯，再从定子铁芯传递到冷却水套的铝壳，最后借助冷却水套中的冷却液带离冷却水套。
区别于上述的间接冷却方式，也可以采用直接冷却的方式。在一种直接冷却的方案中，将绕组导体替换为空心导体，绝缘的冷却液能够在空心导体内部流动，从而能够直接将由绕组导体产生的热量带离定子绕组。这类方案例如由德国专利公开文献DE102019112389A1示出。在另一种直接冷却的方案中，能够在绕组导体的外表面处设置凹槽，从而在叠绕出绕组后可以由不同的绕组导体区段共同形成供绝缘的冷却液流动的冷却通道，在此冷却液也能够直接将由绕组导体产生的热量带离定子绕组。这类方案例如由中国专利公开文献CN111463942B示出。
然而，在直接冷却的方案中，由于全部采用特殊构造的绕组导体，其成本相对于普通的绕组导体成本提升程度非常大。而在间接冷却的方式中，虽然采用普通实心导体可以保持相对低的成本，但由于冷却路径过长，其冷却效率往往无法满足尤其适配纯电动车辆或混合动力车辆的需求。
发明内容
因此，本发明的目的在于提供一种用于电机的定子组件的冷却方案，其能够提供足够的冷却效率，使得电机能够为纯电动车辆或混动动力车辆提供驱动力，并且同时保证可接受的制造成本。
根据本发明的一个方面，上述目的能够通过一种用于电机的定子组件实现。该定子组件包括定子铁芯和绕组，其中，定子铁芯整体呈圆筒状并且在径向内侧表面构造有多个槽部，绕组包括第一导体和第二导体，第一导体和第二导体至少局部地以至少两层的布置方式布置在槽部内，其中，第一导体构造为实心导体，第二导体内部构造有沿第二导体的延伸方向贯通的通道，其中，第一导体布置在槽部的槽底处，第二导体布置在槽部的槽口处。
在此，定子组件整体呈圆筒状，并且可以特别用于内转子式的旋转电机。在这种情况下，在电机完成装配后，电机的转子组件能够布置在定子组件的径向内部。需要说明的是，在本文的描述中，除非另有明确的规定和限定，否则术语“轴向”、“径向”和“圆周方向”均基于定子组件的中轴线。具体地，“轴向”为定子组件的中轴线的延伸方向或平行于该中轴线延伸的方向；“径向”为垂直于定子组件的中轴线且与该中轴线相交的方向；“圆周方向”为围绕定子组件的中轴线的方向。
在此所述的绕组同时包括实心的第一导体和空心的第二导体，其中，第一导体和第二导体分别具有布置在定子铁芯的槽部内的直线形区段并且分别具有在轴向上延伸超出槽部的端部区段。第一导体和第二导体在定子铁芯的轴向端部外直接地通过上述端部区段或者间接地借助另外的元器件、例如连接器以预定方式实现电连接，从而构成完整的绕组线圈。在本文中，不限定绕组的叠绕形式，其例如可以构造为波绕组或者叠绕组。在此，表述“第一导体和第二导体至少局部地以至少两层的布置方式布置在槽部内”可以理解为，第一导体的直线形区段和第二导体的直线形区段被如此叠置在各个槽部内，使得不同导体的直线形区段沿径向排列为至少两层。第二导体中的贯通的通道能够供绝缘的冷却介质、例如冷却油在其中流动，为此在绕组端部处形成冷却介质的通道入口和通道出口。本领域技术人员可以理解的是，为此需要设置必要的流体输送动力装置、例如泵等配套装置。
通过在槽部的槽口处、也即定子组件的径向内侧区域布置空心的第二导体并且在槽部的槽底处、也即定子组件的径向外侧区域布置实心的第一导体，在电机运行时，流动在第二导体内部的冷却介质能够直接将功率损耗最大的槽口处的热量带走，由此高效地实现散热需求较高位置处的冷却，以此满足向纯电动车辆或者混动动力车辆提供电驱动力的要求。在这种情况下，不仅不再需要配置冷却效率较低的冷却水套，还不必将全部导体配置为较为昂贵的空心导体，由此定子组件在保证冷却效率的同时还具有整体上较低的成本。
在一种优选的实施方式中，第一导体和第二导体至少局部地以四层、六层或八层的布置方式布置在槽部内。在这种情况下，第一导体的直线形区段和第二导体的直线形区段以沿径向的四层、六层或八层的方式叠置在各个槽部内。
在此，特别优选地，布置在槽部的槽口处的两层导体为第二导体。换言之，在定子组件中，最靠近径向内侧的两层导体采用第二导体，而位于径向外侧的其他层中的导体采用第一导体。在此，两层空心导体能够对以较多层布置导体的绕组实施有效的冷却。
在一种有利的实施方式中，第一导体和第二导体由铜或铜合金材料制成。在此，绕组的电阻率可以保持较小，定子铜损耗保持较小。
在一种有利的实施方式中，第一导体和第二导体整体呈U形。在此，第一导体和第二导体例如构造为U形针，也称发卡针。
在一种有利的实施方式中，第一导体和第二导体整体呈直线形。在此，第一导体和第二导体例如构造为I形针。
在一种有利的实施方式中，第一导体和第二导体构造为圆线。由此易于制造第一导体和第二导体。
在一种有利的实施方式中，第一导体和第二导体构造为扁线。借助扁线能够提升电机的槽满率，从而在空间不变的前提下，可以填充更多的导体，产生更强的磁场强度，提升功率密度。
在一种有利的实施方式中，第二导体的通道具有圆形或四边形的横截面。由此能够便于制造空心导体。
根据本发明的另一个方面，上述目的通过一种电机实现。所述电机包括如上述实施方式构造的定子组件。
附图说明
下面将参考附图来描述本发明示例性实施例的特征、优点和技术效果。附图示出：
图1是根据本发明的一种实施方式的定子组件的立体图；
图2是根据图1所示的定子组件的径向剖面图；
图3是图2的局部放大图；
图4是根据图1的定子组件的绕组的第一导体的立体图；
图5是根据图4的第一导体的端部的局部立体图；
图6是根据图1的定子组件的绕组的第二导体的立体图；和
图7是根据图6的第二导体的端部的局部立体图。
具体实施方式
图1示出了根据本发明的一种实施方式的定子组件的立体图。在此所示的定子组件例如用于永磁同步电机。该永磁同步电机能够用在纯电动车辆或者混合动力车辆的电桥驱动系统中。在此，可以理解的是，永磁同步电机还包括未示出的转子组件等必要组件。在一些另外的实施例中，电机定子组件也能够用于其他类型的电机。
如图1所示，定子组件100整体呈圆筒状。定子组件100包括定子铁芯20和绕组10。相应地，定子铁芯20在此整体呈圆筒状。定子铁芯20在径向内侧表面构造有多个沿圆周方向分布的槽部21，各个槽部21大致沿轴向延伸并且分别朝向定子铁芯20的径向内侧敞开。绕组10的中间区段嵌放在槽部21内并且在定子铁芯20的轴向两端形成绕组端部。
图2示出了根据图1所示的定子组件100的径向剖面图。图3示出了图2的在定子铁芯20的单个槽部21区域的局部放大图。
绕组10包括第一导体11和第二导体12。在本实施例中，第一导体11和第二导体12由铜材料制成。图4示出了根据图1的定子组件100的 绕组的第一导体11的立体图。图5示出了根据图4的第一导体11的端部的局部立体图。图6示出了根据图1的定子组件100的绕组10的第二导体12的立体图。图7示出了根据图6的第二导体12的端部的局部立体图。
参见图4和图5，第一导体11构造为实心的扁线发卡针。构成第一导体11的发卡针整体被弯折成U形，其中，第一导体11在此具有两个支腿和一个连接两个支腿的弯曲部。两个支腿分别具有用于布置在定子铁芯20的槽部21内的直线形区段。在此，如图5所示，第一导体11具有基本呈矩形的横截面。
参见图6和图7，第二导体12构造为空心的扁线发卡针。构成第二导体12的发卡针整体被弯折成U形，其中，第二导体12在此具有两个支腿和一个连接两个支腿的弯曲部。两个支腿分别具有用于布置在定子铁芯20的槽部21内的直线形区段。第二导体12构造有沿第二导体12的延伸方向贯通的通道121。在本实施例中，通道121的延伸趋势对应于第二导体12的整体呈U形的延伸方向。相应地，位于第二导体12的直线形区段处的通道121将在完成定子组件100的装配后定位在定子铁芯20的槽部21中。在此，如在图7所示，第二导体12的横截面具有基本呈矩形的外轮廓并且第二导体12的通道121的横截面也基本呈矩形。
参考图2和图3，如此构造绕组10，使得第一导体11和第二导体12以四层的布置方式嵌放在定子铁芯20的槽部21中。在此，在每个槽部21中，第一导体11的直线形区段和第二导体12的直线形区段排列为沿径向分布的四层，其中，实心的第一导体11布置在靠近槽底21a的两层中、也即位于定子组件100的径向外侧的两层中，空心的第二导体12布置在靠近槽口21b的两层中、也即位于定子组件100的径向内侧的两层中。各个导体11、12之间设置有绝缘纸13。第一导体11和第二导体12各自的支腿的自由端在定子铁芯20的轴向端部外直接地或者借助另外的元器件、例如连接器以预定方式实现电连接，从而构成完整的绕组线圈。此外，在定子铁芯20的端部处还形成各个第二导体12中的通道121的冷却介质输入口和冷却介质输出口。为此，第二导体12的支腿的自由端还需要在流体方面与冷却系统的其他零部件连接。在本实施例中，用于定子组件100 的绝缘冷却介质采用冷却油。在电机运行时，流动在第二导体12内部、尤其第二导体12的直线形区段内部的冷却介质能够直接将功率损耗最大的位置处、也即位于槽口21b处的绕组导体处的热量带走，由此高效地实现散热需求较高位置处的冷却，以此满足当前向纯电动车辆或者混动动力车辆提供电驱动力的要求。在这种情况下，不仅不再需要配置冷却效率较低的冷却水套，还不必将全部导体配置为较为昂贵的空心导体，由此在保证冷却效率的同时整个定子组件100具有较低的成本。
显然，本发明的上述实施例仅仅是为了清楚说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明权利要求的保护范围之内。在本发明的描述中，需要说明的是，术语“第一”、“第二”、仅用于描述目的，而不能理解为指示或暗示相对重要性。
附图标记列表
100定子组件
10绕组
11第一导体
12第二导体
121通道
13绝缘纸
20铁芯
21槽部
21a槽底
21b槽口

Claims (10)

  1. 一种用于电机的定子组件(100)，所述定子组件(100)包括：
    定子铁芯(20)，其整体呈圆筒状并且在径向内侧表面构造有多个槽部(21)；
    绕组(10)，其包括第一导体(11)和第二导体(12)，所述第一导体(11)和所述第二导体(12)至少局部地以至少两层的布置方式布置在所述槽部(21)内，
    其中，所述第一导体(11)构造为实心导体，所述第二导体(12)内部构造有沿所述第二导体(12)的延伸方向贯通的通道(121)，
    其中，所述第一导体(11)布置在所述槽部(21)的槽底处，所述第二导体(12)布置在所述槽部(21)的槽口(21b)处。
  2. 根据权利要求1所述的定子组件，其中，所述第一导体(11)和所述第二导体(12)至少局部地以四层、六层或八层的布置方式布置在所述槽部(21)内。
  3. 根据权利要求2所述的定子组件，其中，布置在所述槽部(21)的槽口(21b)处两层导体为所述第二导体(12)。
  4. 根据权利要求1所述的定子组件，其中，所述第一导体(11)和所述第二导体(12)由铜或铜合金材料制成。
  5. 根据权利要求1所述的定子组件，其中，所述第一导体(11)和所述第二导体(12)整体呈U形。
  6. 根据权利要求1所述的定子组件，其中，所述第一导体(11)和所述第二导体(12)整体呈直线形。
  7. 根据权利要求1所述的定子组件，其中，所述第一导体(11)和所述第二导体(12)构造为圆线。
  8. 根据权利要求1所述的定子组件，其中，所述第一导体(11)和所述第二导体(12)构造为扁线。
  9. 根据权利要求1所述的定子组件，其中，所述第二导体(12)的通道(121)具有圆形或四边形的横截面。
  10. 一种电机，包括根据权利要求1至9中任一项所述的定子组件(100)。
PCT/CN2023/085969 2023-04-03 2023-04-03 定子组件和电机 Ceased WO2024207149A1 (zh)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004135386A (ja) * 2002-10-08 2004-04-30 Shicoh Eng Co Ltd 液冷式中空導線及びそれを用いた電気機械
CN105099083A (zh) * 2015-09-22 2015-11-25 哈尔滨理工大学 一种汽轮发电机定子绕组双向交替水内冷的冷却系统
CN205039638U (zh) * 2015-10-23 2016-02-17 哈尔滨理工大学 一种大型汽轮发电机定子线圈的冷却结构
CN109361277A (zh) * 2018-10-31 2019-02-19 国网山东省电力公司电力科学研究院 大型同步电机定子冷却结构
CN110838765A (zh) * 2019-11-28 2020-02-25 国网江苏省电力有限公司检修分公司 一种同步调相机定子冷却系统
CN111463942A (zh) * 2019-01-22 2020-07-28 丰田自动车株式会社 旋转电机
JP2020150592A (ja) * 2019-03-11 2020-09-17 株式会社東芝 固定子巻線、発電機、および固定子巻線導体の接続方法
CN217183060U (zh) * 2022-05-05 2022-08-12 四川阿尔特新能源汽车有限公司 绕组、电机及汽车

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004135386A (ja) * 2002-10-08 2004-04-30 Shicoh Eng Co Ltd 液冷式中空導線及びそれを用いた電気機械
CN105099083A (zh) * 2015-09-22 2015-11-25 哈尔滨理工大学 一种汽轮发电机定子绕组双向交替水内冷的冷却系统
CN205039638U (zh) * 2015-10-23 2016-02-17 哈尔滨理工大学 一种大型汽轮发电机定子线圈的冷却结构
CN109361277A (zh) * 2018-10-31 2019-02-19 国网山东省电力公司电力科学研究院 大型同步电机定子冷却结构
CN111463942A (zh) * 2019-01-22 2020-07-28 丰田自动车株式会社 旋转电机
JP2020150592A (ja) * 2019-03-11 2020-09-17 株式会社東芝 固定子巻線、発電機、および固定子巻線導体の接続方法
CN110838765A (zh) * 2019-11-28 2020-02-25 国网江苏省电力有限公司检修分公司 一种同步调相机定子冷却系统
CN217183060U (zh) * 2022-05-05 2022-08-12 四川阿尔特新能源汽车有限公司 绕组、电机及汽车

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