WO2022027934A1 - 盘式电机、定子及轴向磁场电机定子齿间冷却用冷却管道 - Google Patents

盘式电机、定子及轴向磁场电机定子齿间冷却用冷却管道 Download PDF

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Publication number
WO2022027934A1
WO2022027934A1 PCT/CN2021/073005 CN2021073005W WO2022027934A1 WO 2022027934 A1 WO2022027934 A1 WO 2022027934A1 CN 2021073005 W CN2021073005 W CN 2021073005W WO 2022027934 A1 WO2022027934 A1 WO 2022027934A1
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WIPO (PCT)
Prior art keywords
cooling
magnetic field
folded edge
axial magnetic
stator
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PCT/CN2021/073005
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English (en)
French (fr)
Inventor
夏辰宇
黄厚佳
田井呈
袁峥
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浙江盘毂动力科技有限公司
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Publication of WO2022027934A1 publication Critical patent/WO2022027934A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/22—Auxiliary equipment, e.g. positioning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • 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
    • H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium

Definitions

  • the invention belongs to the technical field of motor cooling, and more particularly relates to a cooling pipe for cooling between teeth of a disc motor, a stator and an axial magnetic field motor stator.
  • the stator winding produces copper loss
  • the stator core produces iron loss
  • the rotor components produce mechanical loss, plus the stray loss during the motor operation. These losses are converted into heat energy, which increases the temperature of various parts of the motor.
  • the cooling flow channel on the motor stator adopts a segmented welding forming process, and the flow channel is divided into several straight sections and arc sections.
  • the flow channel of the arc section adopts the bending process, and the direct section and the arc section adopt the splicing + welding process connect. Due to the complex structure of the motor runner and the many runner segments, the splicing process is complicated.
  • the welding path is a number of closed curves surrounding the cross-section of the runner, which leads to the complicated structure of the welding equipment and high cost.
  • the purpose of the present invention is to provide a cooling pipe for cooling between teeth of an axial magnetic field motor stator, so as to simplify the production process, reduce the production cost and improve the production efficiency.
  • Another object of the present invention is to provide a stator using the above-mentioned cooling duct for cooling between the teeth of the stator of the axial magnetic field motor.
  • Another object of the present invention is to provide a disc motor using the above stator.
  • the present invention provides the following technical solutions:
  • a cooling duct for cooling between teeth of an axial magnetic field motor stator comprising a duct body, the duct body comprising a plurality of annular raised portions, and the plurality of annular raised portions are evenly arranged around the same center at equal angles,
  • One end of the pipe body is fixed with a flow channel inlet, and the other end is fixed with a flow channel outlet,
  • the pipe body is formed by connecting and enclosing four sheets in sequence.
  • the above-mentioned pipe body is enclosed by an upper sheet, an outer sheet, a lower sheet and an inner sheet,
  • the upper body includes a first left folded edge, a first flat plate and a first right folded edge connected in sequence
  • the lower body includes a second left folded edge, a second flat plate and a second right folded edge connected in sequence
  • the upper part of the outer sheet is fixedly connected with the first left fold
  • the lower part of the outer piece is fixedly connected with the second left fold
  • the upper part of the inner piece is fixedly connected with the first right fold
  • the The lower part of the inner sheet is fixedly connected with the second right folded edge to form a channel for the cooling medium to flow;
  • the first left folded edge, the first right folded edge, the second left folded edge, the second right folded edge, the outer sheet, the inner sheet are all vertically arranged to be perpendicular to the axial magnetic field motor
  • the magnetic gap surface of the stator tooth tip is all vertically arranged to be perpendicular to the axial magnetic field motor.
  • the first left fold is an upward fold
  • the first right fold is a downward fold
  • the first left folded edge is the same length as the first right folded edge.
  • the second left folded edge is an upward folded edge
  • the second right folded edge is a downward folded edge
  • the second left folded edge is the same length as the second right folded edge.
  • the cross-sections of the outer sheet and the inner sheet are both flat plates.
  • the structure of the flow channel inlet and the flow channel outlet are the same,
  • the flow channel inlet includes a welded part and an interface part that are connected together, and the welded part is connected with the pipe body.
  • the present invention also provides a stator, comprising a cooling pipe, wherein the cooling pipe is the cooling pipe for cooling between teeth of an axial magnetic field motor stator according to any one of the above,
  • the cooling pipe is located in the wire slot of the stator iron core and is fitted with the winding coil to cool the winding coil.
  • the above-mentioned stator iron core is a stator iron core for a disc motor.
  • the present invention also provides a disc motor, comprising a stator, and the stator is the above-mentioned stator.
  • the cooling pipe for cooling between the teeth of the stator of the axial magnetic field motor provided by the present invention includes a pipe body, and the pipe body includes a plurality of annular protrusions, and the plurality of annular protrusions are evenly arranged around the same center at an equal angle.
  • One end of the pipe body is fixed with a flow channel inlet, and the other end is fixed with a flow channel outlet,
  • the pipe body is formed by connecting and enclosing four sheets in sequence.
  • the cooling pipes for cooling between the teeth of the stator of the axial magnetic field motor provided by the present invention are formed by connecting and enclosing four pieces in turn, and each piece itself has the shape of a cooling space. Any cross section is surrounded by four sheets in turn.
  • the idea of the cooling pipe for cooling between the teeth of the axial magnetic field motor stator provided by the present invention is to use stainless steel sheet and other plates as raw materials, and through the press, the matching structure is suitable. The mold is used to manufacture the sheet.
  • the size of the cooling runner depends on the size of the mold. Because the mold is an open structure, the size of each part can be accurately measured. The size of the cooling runner is controlled by regularly checking the size of the mold. Therefore, the production process is simplified, the production cost is reduced, and the production efficiency is improved.
  • FIG. 1 is a schematic diagram of an explosion structure of a cooling pipe for cooling between teeth of an axial magnetic field motor stator provided by an embodiment of the present invention
  • FIG. 2 is a schematic side view of an explosion structure of a cooling pipe for cooling between teeth of an axial magnetic field motor stator provided by an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a cooling pipe for cooling between teeth of an axial magnetic field motor stator provided by an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a cross-sectional structure of an annular protrusion provided by an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of an upper sheet body provided by an embodiment of the present invention.
  • FIG. 6 is a schematic cross-sectional structure diagram of an upper sheet body provided by an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a lower sheet body provided in an embodiment of the present invention.
  • FIG. 8 is a schematic cross-sectional structure diagram of a lower sheet body provided in an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of an inner sheet provided by an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of an outer sheet provided by an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a flow channel inlet provided by an embodiment of the present invention.
  • FIG. 1 is a schematic diagram of an explosion structure of a cooling pipe for cooling between teeth of an axial magnetic field motor stator provided by an embodiment of the present invention
  • FIG. 2 is an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a cooling pipe for cooling between teeth of an axial magnetic field motor stator provided by an embodiment of the present invention
  • FIG. 4 is a cross-section of an annular raised portion provided by an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of an upper sheet body provided by an embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of an inner sheet provided by an embodiment of the present invention;
  • FIG. 10 is a schematic structural diagram of an outer sheet provided by an embodiment of the present invention ;
  • Figure 11 is a schematic structural diagram of a flow channel inlet provided by an embodiment of the present invention.
  • the cooling pipe for cooling between the teeth of the stator of the axial magnetic field motor provided by the embodiment of the present invention includes a pipe body 7, and the pipe body 7 includes a plurality of annular raised portions 8, and the plurality of annular raised portions 8 form an equal angle around the same center. set up,
  • One end of the pipe body 7 is fixed with the flow channel inlet 5, and the other end is fixed with the flow channel outlet 6,
  • the pipe body 7 is formed by connecting and enclosing four pieces in sequence.
  • the cooling pipes for cooling between the teeth of the stator of the axial magnetic field motor provided by the present invention are formed by connecting and enclosing four pieces in sequence, and each piece itself has the shape of a cooling space. Any cross section is surrounded by four sheets in turn.
  • the idea of the cooling pipe for cooling between the teeth of the axial magnetic field motor stator provided by the present invention is to use stainless steel sheet and other plates as raw materials, and through the press, the matching structure is suitable. The mold is used to manufacture the sheet.
  • the size of the cooling runner depends on the size of the mold. Because the mold is an open structure, the size of each part can be accurately measured. The size of the cooling runner is controlled by regularly checking the size of the mold. Therefore, the production process is simplified, the production cost is reduced, and the production efficiency is improved.
  • the pipe body 7 is enclosed by the upper sheet 4, the outer sheet 3, the lower sheet 1 and the inner sheet 2,
  • the upper body 4 includes a first left folded edge 41, a first flat plate 42 and a first right folded edge 43 connected in sequence
  • the lower body 1 includes a second left folded edge 11, a second flat plate 12 and a second right folded edge 13 connected in sequence
  • the upper part of the outer sheet 3 is fixedly connected with the first left fold 41, the lower part of the outer piece 3 is fixedly connected with the second left fold 11, the upper part of the inner sheet 2 is fixedly connected with the first right fold 43, and the lower part of the inner sheet 2 is fixedly connected with the second left fold 11.
  • the right folded edge 13 is fixedly connected to form a channel for the cooling medium to flow;
  • the first left folded edge 41, the first right folded edge 43, the second left folded edge 11, the second right folded edge 13, the outer sheet 3, the inner sheet 2 are all vertically arranged to be perpendicular to the magnetic gap of the axial magnetic field motor stator tooth tip noodle.
  • An important feature of the cooling pipe for cooling between the teeth of the stator of the axial magnetic field motor provided by the present invention is that as many plates as possible are vertically arranged to be perpendicular to the magnetic gap surface of the tooth tip of the stator of the axial magnetic field motor. And all welding surfaces are on the vertical plane to be perpendicular to the magnetic gap surface of the stator tooth tip of the axial magnetic field motor.
  • the first left folded edge 41 is an upward folded edge, and the first right folded edge 43 is a downward folded edge.
  • the first left folded edge 41 is the same length as the first right folded edge 43 .
  • the second left folded edge 11 is a folded edge facing upward
  • the second right folded edge 13 is a folded edge facing downward.
  • the second left folded edge 11 is the same length as the second right folded edge 13 .
  • the cross-sections of the outer sheet 3 and the inner sheet 2 are both flat plates.
  • the structure of the flow channel inlet 5 and the flow channel outlet 6 is the same.
  • the flow channel inlet 5 includes a welded part 52 and an interface part 51 connected together, and the welded part 52 is connected with the pipe body 7 .
  • An embodiment of the present invention further provides a stator, comprising a cooling pipe, and the cooling pipe is the cooling pipe for cooling between teeth of an axial magnetic field motor stator as described in any of the above embodiments,
  • the cooling pipe is located in the wire slot of the stator core and is fitted with the winding coil to cool the winding coil.
  • the stator core is a stator core for a disc motor.
  • Embodiments of the present invention further provide a disc motor, including a stator, and the stator is the stator described in the above embodiments.
  • the cooling pipe for cooling between the teeth of the stator of the axial magnetic field motor provided by the embodiment of the present invention can better realize the cooling between the wires of the disk motor when it is used in the disc motor.
  • the stator teeth of the axial magnetic field motor provided by the embodiment of the present invention The cooling pipe for intercooling has a plurality of annular raised parts, the inner ring of each annular raised part accommodates a winding coil, and a winding coil is accommodated between two adjacent annular raised parts, that is,
  • the cooling pipes for cooling between the teeth of the stator of the axial magnetic field motor provided by the embodiment of the present invention are inserted back and forth between the winding coils on the stator, and are fitted with the winding coils, and the fitting area is greatly improved. In the type motor, the cooling effect is improved.
  • the upper sheet body 4 and the lower sheet body 1 can be formed by using a laser cutting machine to cut a stainless steel sheet with a suitable size of 0.5 mm into the upper sheet.
  • the blanks of the sheet body 4 and the lower sheet body 1 are then bent twice to obtain left and right folded edges.
  • a press is required when forming the upper body 4 and the lower body 1, and the tonnage should be adjusted according to the actual situation, and it is recommended not to be less than 50 tons.
  • the inner sheet 2 and the outer sheet 3 are formed by taking a 0.5mm stainless steel strip with a suitable width and bending it multiple times through a corresponding mold.
  • the runner inlet 5 and the runner outlet 6 can be extruded by corresponding molds.
  • the welding power of the laser welding machine is not higher than 500W, and the welding speed is adjusted according to the actual welding effect.
  • each split structure of cooling runner is manufactured, and then 6 split structures are welded into a whole by laser welding.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

一种盘式电机、定子及轴向磁场电机定子齿间冷却用冷却管道，包括管道本体（7），管道本体包括多个环形凸起部（8），多个环形凸起部围绕同一圆心呈等夹角均匀设置，管道本体的一端固定有流道进口（5），其另一端固定有流道出口（6），管道本体由上片体（4）、外侧片（3）、下片体（1）和内侧片（2）围合而成。本轴向磁场电机定子齿间冷却用冷却管道由四个片体依次连接围合而成，每个片体自身形状为冷却空间的形状，在任意一个横截面上，都为四个片体依次围合，从而简化生产工艺，降低制作成本，提高生产效率。

Description

盘式电机、定子及轴向磁场电机定子齿间冷却用冷却管道
本申请要求于2020年8月7日提交中国专利局、申请号为202010789892.3、发明名称为“盘式电机、定子及轴向磁场电机定子齿间冷却用冷却管道”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明属于电机冷却技术领域，更具体地说，涉及一种盘式电机、定子及轴向磁场电机定子齿间冷却用冷却管道。
背景技术
因电机在运行过程中，定子绕组产生铜耗，定子铁芯产生铁耗，转子部件产生机械损耗，再加上电机运转过程中的杂散损耗。这些损耗都会转变为热能，使电机各部分的温度升高。
单独依靠定子铁芯与电机壳体内部的冷却流道进行热交换，已无法确保电机运行过程热平衡，故需在电机定子上增加冷却流道。
目前电机定子上的冷却流道采用分段焊接成型工艺，将流道分为若干个直线段和圆弧段，圆弧段流道采用弯管工艺，直接段和圆弧段采用拼接+焊接工艺连接。由于电机流道结构复杂，流道分段极多，导致拼接工艺复杂。焊接路径为若干个围绕流道截面的闭合曲线，导致焊接设备结构复杂，成本高。
因此，如何提供一种轴向磁场电机定子齿间冷却用冷却管道，以简化生产工艺，降低制作成本，提高生产效率，是目前本领域技术人员亟待解决的技术问题。
发明内容
有鉴于此，本发明的目的在于提供一种轴向磁场电机定子齿间冷却用冷却管道，以简化生产工艺，降低制作成本，提高生产效率。本发明的另一目的在于提供一种采用上述轴向磁场电机定子齿间冷却用冷却管道的定子。本发明的另一目的在于提供一种采用上述定子的盘式电机。
为了达到上述目的，本发明提供如下技术方案：
一种轴向磁场电机定子齿间冷却用冷却管道，包括管道本体，所述管道本体包括多个环形凸起部，多个所述环形凸起部围绕同一圆心呈等夹角均匀设 置，
所述管道本体的一端固定有流道进口，其另一端固定有流道出口，
所述管道本体由四个片体依次连接围合而成。
优选的，上述管道本体由上片体、外侧片、下片体和内侧片围合而成，
所述上片体包括依次连接的第一左折边、第一平板和第一右折边，所述下片体包括依次连接的第二左折边、第二平板和第二右折边，
所述外侧片的上部与所述第一左折边固定连接，所述外侧片的下部与所述第二左折边固定连接，所述内侧片的上部与所述第一右折边固定连接，所述内侧片的下部与所述第二右折边固定连接，形成供冷却介质流动的通道；
所述第一左折边、所述第一右折边、所述第二左折边、所述第二右折边和所述外侧片、所述内侧片均呈竖直排布以垂直于轴向磁场电机定子齿顶的磁隙面。
优选的，上述第一左折边为朝向上方的折边，所述第一右折边为朝向下方的折边。
优选的，上述第一左折边与所述第一右折边等长。
优选的，上述第二左折边为朝向上方的折边，所述第二右折边为朝向下方的折边。
优选的，上述第二左折边与所述第二右折边等长。
优选的，上述外侧片和所述内侧片的横截面均为平面板。
优选的，上述流道进口和所述流道出口的结构相同，
所述流道进口包括连接在一起的焊接部和接口部，所述焊接部与所述管道本体连接。
本发明还提供一种定子，包括冷却管道，所述冷却管道为如上述任意一项所述的轴向磁场电机定子齿间冷却用冷却管道，
所述冷却管道位于定子铁芯的线槽内与绕组线圈相贴合，对绕组线圈进行冷却。
优选的，上述定子铁芯为盘式电机用定子铁芯。
本发明还提供一种盘式电机，包括定子，所述定子为如上述所述的定子。
本发明提供的轴向磁场电机定子齿间冷却用冷却管道，包括管道本体，所述管道本体包括多个环形凸起部，多个所述环形凸起部围绕同一圆心呈等夹角均匀设置，
所述管道本体的一端固定有流道进口，其另一端固定有流道出口，
所述管道本体由四个片体依次连接围合而成。
由于电机定子上的冷却流道所处的冷却空间弯曲处较多，现有技术中都是采用分段焊接成型，将流道分为若干个直线段和圆弧段，根据冷却空间的实际形状一段一段的焊接而成，而本发明提供的轴向磁场电机定子齿间冷却用冷却管道则是由四个片体依次连接围合而成，每个片体自身形状为冷却空间的形状，在任意一个横截面上，都为四个片体依次围合，本发明提供的轴向磁场电机定子齿间冷却用冷却管道的思路为采用不锈钢薄板等板材制作为原材料，通过压机，配合结构合适的模具进行片体的制造。并且，冷却流道尺寸取决于模具尺寸，因模具为开放式结构，各部分尺寸均可准确测量。通过定期检测模具尺寸，对冷却流道尺寸进行控制。从而简化生产工艺，降低制作成本，提高生产效率。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的轴向磁场电机定子齿间冷却用冷却管道的***结构示意图；
图2为本发明实施例提供的轴向磁场电机定子齿间冷却用冷却管道的***结构侧视示意图；
图3为本发明实施例提供的轴向磁场电机定子齿间冷却用冷却管道的结构示意图；
图4为本发明实施例提供的环形凸起部的横截面结构示意图；
图5为本发明实施例提供的上片体的结构示意图；
图6为本发明实施例提供的上片体的横截面结构示意图；
图7为本发明实施例提供的下片体的结构示意图；
图8为本发明实施例提供的下片体的横截面结构示意图；
图9为本发明实施例提供的内侧片的结构示意图；
图10为本发明实施例提供的外侧片的结构示意图；
图11为本发明实施例提供的流道进口的结构示意图。
上图1-11中：
下片体1、第二左折边11、第二平板12、第二右折边13、内侧片2、外侧片3、上片体4、第一左折边41、第一平板42、第一右折边43、流道进口5、接口部51、焊接部52、流道出口6、管道本体7、环形凸起部8。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参考图1至图11，图1为本发明实施例提供的轴向磁场电机定子齿间冷却用冷却管道的***结构示意图；图2为本发明实施例提供的轴向磁场电机定子齿间冷却用冷却管道的***结构侧视示意图；图3为本发明实施例提供的轴向磁场电机定子齿间冷却用冷却管道的结构示意图；图4为本发明实施例提供的环形凸起部的横截面结构示意图；图5为本发明实施例提供的上片体的结构示意图；图6为本发明实施例提供的上片体的横截面结构示意图；图7为本发明实施例提供的下片体的结构示意图；图8为本发明实施例提供的下片体的横截面结构示意图；图9为本发明实施例提供的内侧片的结构示意图；图10为本发明实施例提供的外侧片的结构示意图；图11为本发明实施例提供的流道进口的结构示意图。
本发明实施例提供的轴向磁场电机定子齿间冷却用冷却管道，包括管道本体7，管道本体7包括多个环形凸起部8，多个环形凸起部8围绕同一圆心呈等夹角均匀设置，
管道本体7的一端固定有流道进口5，其另一端固定有流道出口6，
管道本体7由四个片体依次连接围合而成。
由于电机定子上的冷却流道所处的冷却空间弯曲处较多，现有技术中都是采用分段焊接成型，将流道分为若干个直线段和圆弧段，根据冷却空间的实际形状一段一段的焊接而成，而本发明提供的轴向磁场电机定子齿间冷却用冷却管道则是由四个片体依次连接围合而成，每个片体自身形状为冷却空间的形状，在任意一个横截面上，都为四个片体依次围合，本发明提供的轴向磁场电机定子齿间冷却用冷却管道的思路为采用不锈钢薄板等板材制作为原材料，通过压机，配合结构合适的模具进行片体的制造。并且，冷却流道尺寸取决于模具尺寸，因模具为开放式结构，各部分尺寸均可准确测量。通过定期检测模具尺寸，对冷却流道尺寸进行控制。从而简化生产工艺，降低制作成本，提高生产效率。
具体的，管道本体7由上片体4、外侧片3、下片体1和内侧片2围合而成，
上片体4包括依次连接的第一左折边41、第一平板42和第一右折边43，下片体1包括依次连接的第二左折边11、第二平板12和第二右折边13，
外侧片3的上部与第一左折边41固定连接，外侧片3的下部与第二左折边11固定连接，内侧片2的上部与第一右折边43固定连接，内侧片2的下部与第二右折边13固定连接，形成供冷却介质流动的通道；
第一左折边41、第一右折边43、第二左折边11、第二右折边13和外侧片3、内侧片2均呈竖直排布以垂直于轴向磁场电机定子齿顶的磁隙面。
本发明提供的轴向磁场电机定子齿间冷却用冷却管道的一个重要特点即在于尽可能多的板材呈竖直排列以垂直于轴向磁场电机定子齿顶的磁隙面。以及所有焊接面在竖直平面上以垂直于轴向磁场电机定子齿顶的磁隙面。
众所周知轴向磁场齿间间接冷却难以应用推广的一个重要原因即在于齿间的管路会对电机磁场产生影响，通过以上设计可以大大减少冷却管路在变化磁场中产生的涡流，特别是焊接面。同时以上结构在制造上是便捷可行的。
其中，第一左折边41为朝向上方的折边，第一右折边43为朝向下方的折边。第一左折边41与第一右折边43等长。
其中，第二左折边11为朝向上方的折边，第二右折边13为朝向下方的折边。第二左折边11与第二右折边13等长。
具体的，外侧片3和内侧片2的横截面均为平面板。流道进口5和流道出口6的结构相同，流道进口5包括连接在一起的焊接部52和接口部51，焊接部52与管道本体7连接。
本发明实施例还提供一种定子，包括冷却管道，冷却管道为如上述任意一项实施例所述的轴向磁场电机定子齿间冷却用冷却管道，
冷却管道位于定子铁芯的线槽内与绕组线圈相贴合，对绕组线圈进行冷却。
其中，定子铁芯为盘式电机用定子铁芯。
本发明实施例还提供一种盘式电机，包括定子，所述定子为如上述实施例所述的定子。
本发明实施例提供的轴向磁场电机定子齿间冷却用冷却管道在用于盘式电机时，能够更好的实现盘式电机的线间冷却，本发明实施例提供的轴向磁场电机定子齿间冷却用冷却管道，具有多个环形凸起部，每个环形凸起部的内环中容纳有一个绕组线圈，相邻的两个环形凸起部之间的容纳有一个绕组线圈，也就是本发明实施例提供的轴向磁场电机定子齿间冷却用冷却管道来回穿插在定子上的各个绕组线圈之间，与绕组线圈相贴合，并且贴合面积得到极大的提高，如此应用在盘式电机中，提高了冷却效果。
本发明实施例提供的轴向磁场电机定子齿间冷却用冷却管道，其中，上片体4和下片体1成型，可以为用激光切割机，将尺寸合适的0.5mm后不锈钢薄板裁剪为上片体4和下片体1的折弯坯料，然后进行两次折弯得到左折边和 右折边。上片体4和下片体1成型时需使用压机，吨位根据实际情况进行调整，建议不低于50吨。
内侧片2和外侧片3成型，取宽度合适的0.5mm不锈钢钢带，通过相应的模具进行多次折弯成型即可。
流道进口5和流道出口6采用相应的模具挤压成型即可。
本发明实施例提供的轴向磁场电机定子齿间冷却用冷却管道在组装时：
1)按图1所示位置，放置好上片体4、外侧片3、下片体1和内侧片2；
2)通过激光焊机焊接各个部件之间的接缝即可。
其中，激光焊机焊接功率不高于500W，焊接速度根据实际焊接效果调整。利用不锈钢薄板，配合结构合适的成型模具，制造冷却流道各分体结构，再通过激光焊接，将6件分体结构焊接成整体。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (10)

  1. 一种轴向磁场电机定子齿间冷却用冷却管道，其特征在于，包括管道本体，所述管道本体包括多个环形凸起部，多个所述环形凸起部围绕同一圆心呈等夹角均匀设置，
    所述管道本体的一端固定有流道进口，其另一端固定有流道出口，
    所述管道本体由四个片体依次连接围合而成。
  2. 根据权利要求1所述的轴向磁场电机定子齿间冷却用冷却管道，其特征在于，所述管道本体由上片体、外侧片、下片体和内侧片围合而成，
    所述上片体包括依次连接的第一左折边、第一平板和第一右折边，所述下片体包括依次连接的第二左折边、第二平板和第二右折边，
    所述外侧片的上部与所述第一左折边固定连接，所述外侧片的下部与所述第二左折边固定连接，所述内侧片的上部与所述第一右折边固定连接，所述内侧片的下部与所述第二右折边固定连接，形成供冷却介质流动的通道；
    所述第一左折边、所述第一右折边、所述第二左折边、所述第二右折边和所述外侧片、所述内侧片均呈竖直排布以垂直于轴向磁场电机定子齿顶的磁隙面。
  3. 根据权利要求2所述的轴向磁场电机定子齿间冷却用冷却管道，其特征在于，所述第一左折边为朝向上方的折边，所述第一右折边为朝向下方的折边。
  4. 根据权利要求3所述的轴向磁场电机定子齿间冷却用冷却管道，其特征在于，所述第一左折边与所述第一右折边等长。
  5. 根据权利要求2所述的轴向磁场电机定子齿间冷却用冷却管道，其特征在于，所述第二左折边为朝向上方的折边，所述第二右折边为朝向下方的折边。
  6. 根据权利要求5所述的轴向磁场电机定子齿间冷却用冷却管道，其特征在于，所述第二左折边与所述第二右折边等长。
  7. 根据权利要求2所述的轴向磁场电机定子齿间冷却用冷却管道，其特征在于，所述外侧片和所述内侧片的横截面均为平面板。
  8. 根据权利要求1所述的轴向磁场电机定子齿间冷却用冷却管道，其特征在于，所述流道进口和所述流道出口的结构相同，
    所述流道进口包括连接在一起的焊接部和接口部，所述焊接部与所述管道本体连接。
  9. 一种定子，其特征在于，包括冷却管道，所述冷却管道为如上述权利要求1-8任意一项所述的轴向磁场电机定子齿间冷却用冷却管道，
    所述冷却管道位于定子铁芯的线槽内与绕组线圈相贴合，对绕组线圈进行冷却。
  10. 一种盘式电机，包括定子，其特征在于，所述定子为如权利要求9所述的定子。
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