WO2012167753A1 - 一种定子及其制造方法和马达 - Google Patents

一种定子及其制造方法和马达 Download PDF

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Publication number
WO2012167753A1
WO2012167753A1 PCT/CN2012/076710 CN2012076710W WO2012167753A1 WO 2012167753 A1 WO2012167753 A1 WO 2012167753A1 CN 2012076710 W CN2012076710 W CN 2012076710W WO 2012167753 A1 WO2012167753 A1 WO 2012167753A1
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WIPO (PCT)
Prior art keywords
stator
unit block
curved surface
unit
unit blocks
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PCT/CN2012/076710
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English (en)
French (fr)
Inventor
余高辉
Original Assignee
Yu Gaohui
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Publication date
Priority claimed from CN2011101560736A external-priority patent/CN102694428A/zh
Priority claimed from CN2011201943847U external-priority patent/CN202276200U/zh
Application filed by Yu Gaohui filed Critical Yu Gaohui
Publication of WO2012167753A1 publication Critical patent/WO2012167753A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H02K1/148—Sectional cores

Definitions

  • the invention relates to the technical field of motors, in particular to a stator, a method of manufacturing same and a motor.
  • the stator is an important component in the motor.
  • the stator includes a plurality of unit blocks, and a plurality of unit blocks are combined to form a stator, and each unit block is individually embedded with a copper wire, thereby, a plurality of units
  • the block forms the coil of the whole stator. Since the unit blocks of the existing stator are mostly made of silicon steel sheets, the wire grooves for inserting the copper wires can be opened only on both sides of the unit block, when the unit block is embedded. After the copper wire is wound, the copper wire on the upper and lower end faces of the unit block will be exposed on the unit block, so that when the stator is used, serious magnetic leakage will occur, which affects the quality of the product.
  • stator in the prior art is complicated, and it is required to punch a plurality of individual silicon steel sheets first, then stack a plurality of silicon steel sheets together to form a unit block, and then manually insert the copper wire on the unit block, and finally The unit block in which the copper wire is embedded is combined into a stator, which has a complicated process and high cost.
  • the present invention is achieved by a stator having a through hole extending through the upper and lower end faces thereof, including a plurality of unit blocks connectable to each other and a copper wire embedded in the unit block, the unit The block is integrally formed to form a body, and the body is provided with a longitudinal annular groove surrounding the body for inserting a copper wire.
  • unit blocks are coupled to each other.
  • the two sides of the body are respectively provided with an engaging structure that can be used for the snap-fit connection of the unit block.
  • the engaging structure is a bump strip disposed on one side of the body and a groove strip disposed on the other side of the body and engageable with the bump strip on the adjacent body.
  • the bump strip and the groove strip are respectively disposed longitudinally of the body.
  • the unit block has an arc shape with an inner curved surface and an outer curved surface, and the longitudinal annular groove is disposed between the inner curved surface and the engaging structure.
  • the unit block has an arc shape having an inner curved surface and an outer curved surface, and the longitudinal annular groove is disposed between the outer curved surface and the engaging structure.
  • a portion of the longitudinal ring groove on each end surface of the body is linear.
  • the unit block is made of a ferrite material.
  • the invention provides a stator manufacturing method comprising the following steps:
  • the present invention also provides a motor including a rotor and the above-described stator, the rotor being disposed in a through hole of the stator.
  • the unit block of the stator is integrally formed, which is simple to manufacture and low in cost, and the copper wire is not embedded on the unit block after being embedded on the unit block, thereby avoiding the stator during use.
  • the phenomenon of magnetic flux leakage occurs, and the quality of the stator is high.
  • the stator manufacturing method in the present invention has a simple process.
  • FIG. 1 is a perspective view of a stator according to Embodiment 1 of the present invention.
  • FIG. 2 is a perspective view of a unit block according to Embodiment 1 of the present invention.
  • FIG. 3 is a left side view of a unit block according to Embodiment 1 of the present invention.
  • FIG. 4 is a cross-sectional view of a unit block according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic perspective view of a unit block according to Embodiment 2 of the present invention.
  • the present invention provides a stator having a through hole penetrating through the upper and lower end faces thereof, including a plurality of unit blocks connectable to each other and a copper wire embedded in the unit block, the unit block being integrally formed And forming a body, the body is provided with a longitudinal annular groove surrounding the body and used for inserting a copper wire.
  • the unit block of the stator in the invention is integrally formed, which is simple in manufacture and low in cost, and the copper wire is not embedded on the unit block after being embedded on the unit block, thereby avoiding leakage of the stator during use.
  • the quality of the stator is high, and the stator manufacturing method in the present invention has a simple process.
  • the stator 1 is annular and has a through hole 12 therein.
  • the through hole 12 It can be used to place a rotor, and the stator 1 includes a plurality of unit blocks 11 and copper wires embedded in the unit block 11, and the unit blocks 11 are detachably connected to form a ring-shaped stator 1 .
  • the unit block 11 is integrally formed, and includes an arc-shaped body 111 along the body 111.
  • the up and down direction is defined as the longitudinal direction of the body 111, and the body 111 is provided with a longitudinal ring groove 114 which surrounds the entire body 111 and is longitudinally disposed.
  • the longitudinal ring groove 114 Can be used to embed copper wire.
  • the unit block 11 can be completely embedded, and the unit block 11 is not protruded to avoid the stator. 1 Magnetic leakage occurs during use, the quality of the stator 1 is improved, and the unit block 11 is integrally formed, which can be manufactured in one time, has a simple manufacturing process and low cost.
  • the copper wire is embedded on each of the unit blocks 11, and then a plurality of unit blocks 11
  • the stators 1 are connected to each other to form the stator 1.
  • the unit blocks 11 in this embodiment are snap-fitted together.
  • the unit block 11 is in its body 111
  • the two sides are respectively provided with engaging structures for engaging, so that when the unit block 11 is assembled, the side faces thereof are mutually engaged by the engaging structure, thereby constituting the entire stator 1.
  • the engaging structure of the unit block 11 is a bump strip 112 disposed on one side of the body 111 and disposed on the body 111.
  • the groove strip 113, the bump strip 112 and the groove strip 113 which are engageable with the bump strip 112 on the other side are distributed along the longitudinal direction of the body 111, so that when the unit block 11 When assembling, the bump strip 112 on a certain unit block 11 can be engaged with the groove strip 113 of the unit block 11 on one side thereof, and the groove strip 113 on the unit block 11 and the unit block 11 on the other side thereof can be 11
  • the bump strips 112 are engaged with each other.
  • This embodiment only provides one of the above unit blocks 11
  • the manner of mutual engagement can also be set to a variety of other engagement methods according to actual needs.
  • the longitudinal ring groove 114 on the unit block 11 is on the body 111.
  • the part on each end face is linear, so that the manufacturer can directly wind the wire in the longitudinal ring groove 114 by using the winding machine, and does not need to manually wind the wire.
  • the stator 1 can be improved. Manufacturing efficiency, on the other hand, saves costs and improves the quality of the stator 1.
  • the body 111 of the unit block 11 is arc-shaped, the inner surface of which is an inner curved surface, and the outer surface thereof is an outer curved surface, when the unit block 11 After being assembled to each other, the inner curved surface forms the surface of the through hole 12 in the stator 1, and the outer curved surface forms the outer surface of the stator 1.
  • the longitudinal ring groove 114 in this embodiment It is disposed between the engaging structure and the inner curved surface.
  • ferrite is a magnetic metal oxide with strong resistivity and magnetic permeability, which can be widely used in low-frequency high-power and high-power fields requiring high magnetic energy density. And it has the advantage of being cheap and resource-rich relative to silicon steel.
  • the material of the unit block 11 is not limited to the ferrite described above, but it may also be made of a material such as a ferrosilicon.
  • the unit block 11 included in the stator 1 in this embodiment is required according to actual application requirements.
  • the number is a multiple of three, for example three, six, etc., and so on, in the present embodiment, the stator 1 has six unit blocks 11 thereon.
  • the present invention also provides a method of manufacturing the above-described stator 1, which is as follows: First, a unit block is manufactured using a mold 11 The unit block 11 is integrally formed, and the unit block 11 has a longitudinal ring groove 114. Secondly, a copper wire is embedded in the longitudinal ring groove 114. In this step, an automatic winding machine pair unit block can be used. Winding, of course, may also be manual winding; finally, the longitudinal ring grooves 114, which are embedded with copper wires, are connected to each other to form a stator 1 having a through hole 12 therein.
  • the above method for manufacturing the stator 1 is simple, and a single mold can be used to complete the manufacture of a plurality of unit blocks, and the manufacturing process is simple and low in cost.
  • the present invention also provides a motor including a rotor and the stator 1 described above, the rotor being bored in the through hole 12 of the stator 1
  • the motor can be rotated in the through hole 12 to constitute the most basic condition for the operation of the motor, and the motor is low in cost, convenient to manufacture, and high in quality.
  • the difference between this embodiment and the first embodiment is that the longitudinal ring groove 114 in the embodiment is disposed on the outer curved surface and the unit block 11 Between the snap-fit structures.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

一种定子（1）及其制造方法，该定子（1）包括相互连接在一起的多个单元块（11），单元块（11）上嵌绕铜线。所述单元块（11）一体成型，构成一本体（111），所述本体（111）上设有一环绕所述本体（111）并用于嵌绕铜线的纵向环槽（114）。该定子（1）制造简单、成本低。

Description

一种定子及其制造方法和马达 技术领域
本发明涉及马达的技术领域，尤其一种定子及其制造方法和马达。
背景技术
定子为马达中的重要组成部分，现有技术中，定子包括多个单元块，多个单元块组合在一起，形成定子，且每个单元块都独自嵌绕有铜线，从而，多个单元块形成了整个定子的线圈，由于现有的定子的单元块多由硅钢片叠加而成，这样，只能在单元块的两侧开设用于嵌绕铜线的线槽，当单元块上嵌绕了铜线以后，单元块上下端面的铜线就会凸露在单元块上，从而，当定子使用时，会出现严重的漏磁现象，影响产品的质量。
另外，现有技术中的定子的制造过程较为复杂，其需要先冲压很多单个的硅钢片，再将多个硅钢片叠加在一起，形成单元块，再在单元块上手工嵌绕铜线，最后，将嵌绕有铜线的单元块组合成定子，其工序复杂，且成本高。
 技术问题
本发明的目的在于提供一种定子及其制造方法，旨在解决现有定子漏磁、制造工序复杂以及成本高的问题。
技术解决方案
本发明是这样实现的，一种定子，其内具有一贯穿其上下端面的通孔，包括可相互连接在一起的数个单元块以及嵌绕于所述单元块上的铜线，所述单元块一体成型，构成一本体，所述本体上设有一环绕所述本体并用于嵌绕铜线的纵向环槽。
进一步地，所述单元块相互卡合连接。
进一步地，所述本体的两侧面分别设有可用于所述单元块卡合连接的卡合结构。
进一步地，所述卡合结构为设于所述本体一侧面的凸块条以及设于所述本体另一侧面且可与相邻本体上所述凸块条相卡合的凹槽条，所述凸块条和所述凹槽条分别沿所述本体纵向设置。
进一步地，所述单元块呈弧形状，其具有内弧面和外弧面，所述纵向环槽置于所述内弧面和所述卡合结构之间。
进一步地，所述单元块呈弧形状，其具有内弧面和外弧面，所述纵向环槽置于所述外弧面和所述卡合结构之间。
进一步地，所述纵向环槽在所述本体的每个端面上的部分呈直线状。
进一步地，所述单元块为铁氧体材料制成。
本发明提供的一种定子制造方法，包括以下几个步骤：
1 ）利用模具制造出数个单元块，每个所述单元块一体成型，且其上具有一用于嵌绕铜线的纵向环槽；
2 ）在所述每个单元块的纵向环槽嵌绕上铜线；
3 ）将嵌绕有铜线的单元块连接在一起，形成一具有通孔的定子。
本发明还提供了一种马达，其包括转子以及上述的定子，所述转子穿设于所述定子的通孔中。
 有益效果
与现有技术相比，该定子的单元块为一体成型，其制造简单以及成本低，且铜线嵌绕在单元块上后，不会凸露在单元块上，从而避免定子在使用过程中出现漏磁的现象，定子的质量高，本发明中的定子制造方法工序简单。
附图说明
图 1 本发明实施例一提供的定子的立体示意图；
图 2 是本发明实施例一提供的单元块的立体示意图；
图 3 是本发明实施例一提供的单元块的左视示意图；
图 4 是本发明实施例一提供的单元块的剖视示意图；
图 5 是本发明实施例二提供的单元块的立体示意图。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明提供了一种定子，其内具有一贯穿其上下端面的通孔，包括可相互连接在一起的数个单元块以及嵌绕于所述单元块上的铜线，所述单元块一体成型，构成一本体，所述本体上设有一环绕所述本体并用于嵌绕铜线的纵向环槽。
本发明中的定子的单元块为一体成型，其制造简单以及成本低，且铜线嵌绕在单元块上后，不会凸露在单元块上，从而避免定子在使用过程中出现漏磁的现象，定子的质量高，本发明中的定子制造方法工序简单。
以下结合具体附图对本发明的实现进行详细的描述。
实施例一
如图 1~4 所示，为本发明提供的一较佳实施例。
如图 1 所示，定子 1 成圆环状，其内具有一通孔 12 ，当定子 1 在使用时，该通孔 12 可用于放置转子，定子 1 包括数个单元块 11 以及嵌绕在单元块 11 上的铜线，单元块 11 可拆卸连接在一起，形成圆环状的定子 1 。
如图 2~4 所示，单元块 11 为一体成型，其包括成弧形状的本体 111 ，沿本体 111 上下方向定义为本体 111 的纵向，本体 111 上设有一纵向环槽 114 ，该纵向环槽 114 环绕整个本体 111 ，且呈纵向设置，该纵向环槽 114 可用于嵌绕铜线。
这样，铜线嵌绕在单元块 11 以后，可全部嵌入的单元块 11 内，不会凸露出单元块 11 上，避免定子 1 在使用时出现漏磁现象，提高定子 1 质量，且该单元块 11 为一体成型，其可一次性完成制造，制造工序简单，成本低。
单元块 11 制造完成以后，在每个单元块 11 上嵌绕上铜线，再将数个单元块 11 相互连接在一起，从而形成定子 1 ，为了便于单元块 11 的装配以及拆卸，本实施例中的单元块 11 是卡合连接在一起的。
为了便于单元块 11 的相互卡合，本单元块 11 在其本体 111 的两侧面上分别设置有可用于卡合的卡合结构，这样，单元块 11 装配时，其侧面相互通过卡合结构相互卡合在一起，从而构成整个定子 1 。
具体地，单元块 11 的卡合结构为设置在本体 111 一侧面的凸块条 112 以及设置在本体 111 另一侧面且可与凸块条 112 相卡合的凹槽条 113 ，凸块条 112 和凹槽条 113 都沿本体 111 的纵向分布，从而，当单元块 11 进行装配时，某一单元块 11 上的凸块条 112 可以和其一侧的单元块 11 的凹槽条 113 相互卡合，其上的凹槽条 113 可以和其另一侧的单元块 11 的凸块条 112 相互卡合。
本实施例仅提供上述的一种单元块 11 相互卡合的方式，当然，根据实际需要，其还可以设置为多种其它的卡合方式。
本实施例中，为了便于在单元块 11 上嵌绕铜线，单元块 11 上的纵向环槽 114 在本体 111 的每个端面上的部分呈直线状，这样，厂家可直接利用绕线机在纵向环槽 114 中绕线，不需要人工进行绕线，一方面，可提高定子 1 的制造效率，另一方面，可节约成本以及提高定子 1 的质量。
本实施例中，单元块 11 的本体 111 称弧形状，其内表面为内弧面，其外表面为外弧面，当单元块 11 相互装配在一起后，内弧面则形成定子 1 中的通孔 12 的表面，外弧面则形成定子 1 的外表面。本实施例中的纵向环槽 114 则设置在卡合结构和内弧面之间。
为了节约成本，本实施例中的单元块 11 为铁氧体材料制成，铁氧体为一种具有磁性的金属氧化物，其具有较强的电阻率和磁导率，可广泛运用于要求高磁能密度的低频强电和大功率的领域，且其相对于硅钢来说，具有价格便宜、资源丰富的优点。
当然，单元块 11 的材料并不仅仅限制于上述的铁氧体，其还可以为铁硅铝等材料制成。
按照实际运用的要求，本实施例中的定子 1 所包括的单元块 11 的数量为三的倍数，例如三个、六个等等，依此类推，本实施例中，定子 1 上具有六个单元块 11 。
本发明还提供一种上述定子 1 的制造方法，该制造方法如下：首先，利用模具制造出一单元块 11 ，该单元块 11 为一体成型，且该单元块 11 上具有纵向环槽 114 ；其次，在该纵向环槽 114 中嵌绕铜线，在该步骤中，可采用自动绕线机对单元块 11 进行绕线，当然，也可以是人工绕线；最后，将嵌绕了铜线的纵向环槽 114 相互连接在一起，形成定子 1 ，该定子 1 内具有一通孔 12 。
上述制造定子 1 的方法简单，只需一套模具即可完成多个单元块的制造，其制造工序简约，且成本低。
本发明还提供了一种马达，该马达包括转子以及上述的定子 1 ，转子穿设在定子 1 的通孔 12 中，且可以在通孔 12 中转动，从而构成马达工作的最基本条件，且该马达的成本低、制造方便以及质量高。
实施例二
参见图 5 ，本实施例和实施例一的区别在于：本实施例中的纵向环槽 114 设置在外弧面和单元块 11 的卡合结构之间。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，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，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种定子，其内具有一贯穿其上下端面的通孔，包括可相互连接在一起的数个单元块以及嵌绕于所述单元块上的铜线，其特征在于：所述单元块一体成型，构成一本体，所述本体上设有一环绕所述本体并用于嵌绕铜线的纵向环槽。
  2. 如权利要求 1 所述的一种定子，其特征在于，所述单元块相互卡合连接。
  3. 如权利要求 2 所述的一种定子，其特征在于，所述本体的两侧面分别设有可用于所述单元块卡合连接的卡合结构。
  4. 如权利要求 3 所述的一种定子，其特征在于，所述卡合结构为设于所述本体一侧面的凸块条以及设于所述本体另一侧面且可与相邻本体上所述凸块条相卡合的凹槽条，所述凸块条和所述凹槽条分别沿所述本体纵向设置。
  5. 如权利要求 3 所述的一种定子，其特征在于，所述单元块呈弧形状，其具有内弧面和外弧面，所述纵向环槽置于所述内弧面和所述卡合结构之间。
  6. 如权利要求 3 所述的一种定子，其特征在于，所述单元块呈弧形状，其具有内弧面和外弧面，所述纵向环槽置于所述外弧面和所述卡合结构之间。
  7. 如权利要求 1 所述的一种定子，其特征在于，所述纵向环槽在所述本体的每个端面上的部分呈直线状。
  8. 如权利要求 1~7 所述的一种定子，其特征在于，所述单元块为铁氧体材料制成。
  9. 一种定子制造方法，其特征在于，包括以下几个步骤：
    1 ）利用模具制造出数个单元块，每个所述单元块一体成型，且其上具有一用于嵌绕铜线的纵向环槽；
    2 ）在所述每个单元块的纵向环槽嵌绕上铜线；
    3 ）将嵌绕有铜线的单元块连接在一起，形成一具有通孔的定子。
  10. 一种马达，包括转子，其特征在于，还包括权利要求 1~8 所述的定子，所述转子穿设于所述定子的通孔中。
PCT/CN2012/076710 2011-06-10 2012-06-11 一种定子及其制造方法和马达 WO2012167753A1 (zh)

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CN2744045Y (zh) * 2004-10-20 2005-11-30 李明扬 矽钢片组装结构的改良
CN2829188Y (zh) * 2005-08-30 2006-10-18 常州市爬山琥电机有限公司 直流永磁电机的定子铁芯
CN1933285A (zh) * 2005-09-13 2007-03-21 山东大学 软磁铁氧体高速永磁电机
CN101473511A (zh) * 2006-06-16 2009-07-01 丰田自动车株式会社 定子以及马达

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2744045Y (zh) * 2004-10-20 2005-11-30 李明扬 矽钢片组装结构的改良
CN2829188Y (zh) * 2005-08-30 2006-10-18 常州市爬山琥电机有限公司 直流永磁电机的定子铁芯
CN1933285A (zh) * 2005-09-13 2007-03-21 山东大学 软磁铁氧体高速永磁电机
CN101473511A (zh) * 2006-06-16 2009-07-01 丰田自动车株式会社 定子以及马达

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