CN112688508A - Motor winding wire embedding method - Google Patents
Motor winding wire embedding method Download PDFInfo
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- CN112688508A CN112688508A CN202011463120.7A CN202011463120A CN112688508A CN 112688508 A CN112688508 A CN 112688508A CN 202011463120 A CN202011463120 A CN 202011463120A CN 112688508 A CN112688508 A CN 112688508A
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- straight
- iron core
- motor winding
- module
- conductors
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- 238000004804 winding Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 71
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 30
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 238000010586 diagram Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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- Windings For Motors And Generators (AREA)
Abstract
The invention discloses a motor winding wire embedding method, and relates to the field of motors. The technical scheme mainly comprises the following steps: s100, marking iron core slots on the stator iron core in sequence; s200, embedding straight conductors from the end openings of the iron core slots, and embedding a plurality of straight conductors in each iron core slot to form a straight conductor module; and S300, respectively installing an end winding module and an outlet end winding module at two ends of the straight conductor module. The invention can improve the slot filling rate and reduce the height of the winding end part so as to improve the temperature rise performance and reduce the axial size of the motor, thereby improving the power density of the motor.
Description
Technical Field
The invention relates to the field of motors, in particular to a motor winding wire inserting method.
Background
Motor technology has gained wide application in the fields of numerically controlled machine tools, industrial electrical automation, automatic production lines, industrial robots, and various military and civil equipment. For the motor, the improvement of the performances such as production efficiency, temperature rise, power density and the like in various aspects is the key for realizing the technical breakthrough of the motor, wherein the improvement of a motor wire inserting mode is involved.
The existing motor winding wire embedding mode needs to embed paved copper wires from a notch in sequence, but the arrangement of the copper wires in a groove is relatively sparse, and the width and the full rate of the notch are limited; generally, the full rate of an effective copper groove is only about 45%, the current density is relatively large, the copper consumption of the motor is large, the temperature of the stator is increased, and the cogging torque is large due to the large width of the notch. In addition, the motor end windings usually need to be shaped to meet the technical requirements, but the height is still high, the axial length of the motor is limited, and the power density is reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a motor winding wire embedding method, which can improve the slot filling rate and reduce the height of the end part of a winding so as to improve the temperature rise performance and reduce the axial size of a motor, thereby improving the power density of the motor.
In order to achieve the purpose, the invention provides the following technical scheme:
a motor winding wire inserting method comprises the following steps:
s100, marking iron core slots on the stator iron core in sequence;
s200, embedding straight conductors from the end openings of the iron core slots, and embedding a plurality of straight conductors in each iron core slot to form a straight conductor module;
and S300, respectively installing an end winding module and an outlet end winding module at two ends of the straight conductor module.
Further, the method also comprises the following steps:
and S110, placing an insulating layer in the iron core groove.
Further, the method also comprises the following steps:
s400, inserting the slot wedge from the end opening of the iron core slot, and shaping the end winding module.
Further, in step S200, the plurality of straight conductors in the core slot are divided into a plurality of groups, each group includes at least two straight conductors, the plurality of straight conductors in each group are firstly wound into a whole, and then the plurality of groups of straight conductors formed into a whole are respectively embedded into the core slot.
Further, in step S300, the end winding module and the outlet end winding module each include a plurality of round copper wires wound in parallel, and one end of one round copper wire wound in parallel is connected to a corresponding one of the straight conductors and the other end is connected to another corresponding one of the straight conductors according to a wire insertion schematic diagram during installation.
Furthermore, the end of the round copper wire is connected with the end of the straight conductor by adopting an interference fit plug-pull structure.
Further, the end of the round copper wire is provided with a clamping sleeve in interference fit with the end of the straight conductor.
Further, the end part of the straight conductor is provided with a clamping groove in interference fit with the end part of the round copper wire.
Further, the iron core groove comprises three inner walls which are connected in sequence, the two adjacent inner walls are perpendicular to each other, and the cross section of the straight conductor is rectangular.
Furthermore, the side edges of the straight conductors are arranged in a round angle mode.
In conclusion, the invention has the following beneficial effects:
1. by adopting a modularized wire embedding mode, the wire embedding time can be shortened, and the production efficiency is improved;
2. the direct conductors in close contact are adopted, so that the effective copper filling rate is obviously improved, the copper loss can be effectively reduced, the efficiency is higher, and meanwhile, the direct conductors do not need to be embedded from the notches, so that the problem of insulation scratch is avoided;
3. the end part adopts a thin round copper wire, so that the shaping can be facilitated, the height of the end part is reduced, the axial size of the motor is further reduced, and the power density is higher.
Drawings
FIG. 1 is a schematic structural diagram of a winding inserting method of an electric machine in an embodiment;
FIG. 2 is a schematic structural diagram of an embodiment of a core and a straight conductor module;
fig. 3 is a partial structural schematic diagram of the iron core and the straight conductor module in the embodiment.
In the figure: 1. a straight conductor module; 2. an end winding module; 3. a winding module at the end of the wire outlet end; 4. a stator core; 41. an iron core groove; 42. an insulating layer; 11. a straight conductor; 43. and a slot wedge.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example (b):
referring to fig. 1 to 3, in this embodiment, a design scheme is described in which the number of slots of a stator core 4 is 72, the number of straight conductors 11 per slot is 12, and the span is 5, and specifically includes the following steps:
s100, the 72 core slots 41 in the stator core 4 are sequentially numbered from 1 to 72 in the clockwise direction.
S110, the insulating layer 42 is placed in the iron core groove 41, the insulating layer 42 plays an insulating protection role, and the insulating problem caused by scratching when the straight conductor 11 is installed can be avoided.
S200, embedding the straight conductors 11 from the end openings of the iron core slots 41, and embedding a plurality of straight conductors 11 in each iron core slot 41 to form a straight conductor module 1; specifically, the plurality of straight conductors 11 in the core slot 41 are divided into a plurality of groups, each group includes at least two straight conductors 11, the plurality of straight conductors 11 in each group are firstly wound into a whole, and then the plurality of straight conductor groups forming the whole are respectively embedded into the core slot 41; in this embodiment, 12 straight conductors 11 are embedded in each core slot 41, the 12 straight conductors 11 are sequentially numbered from 1 to 12, six straight conductors 11 with the numbers of 1,2,3,4,5 and 6 at the upper layer and six straight conductors 11 with the numbers of 7, 8, 9, 10, 11 and 12 at the lower layer in the stator core 4 are respectively wound into a whole by a mica powder tape during installation, then two integrated straight conductor groups are sequentially embedded from the end openings of the core slots 31, and the remaining 71 core slots 41 are repeatedly performed according to the above operations.
S300, respectively installing an end winding module 2 and an outlet end winding module 3 at two ends of the straight conductor module 1; the end winding module 2 and the outlet end winding module 3 both comprise a plurality of round copper wires which are wound in parallel, and the round copper wires are relatively thin, so that the shaping is easy, the height of the end part is reduced, the axial size of the motor can be further reduced, and the power density is higher; in the embodiment, the end part of the round copper wire is connected with the end part of the straight conductor by adopting an interference fit plug-in structure, so that the round copper wire is effectively prevented from falling off and is convenient to mount; specifically, can be provided with the cutting ferrule with straight conductor tip interference fit at round copper line tip, perhaps be provided with the draw-in groove with round copper line tip interference fit at straight conductor tip, adopt in this embodiment to be provided with the draw-in groove with round copper line tip interference fit at straight conductor tip.
When the device is installed, according to a wire embedding principle diagram, one end of a parallel wound round copper wire is inserted into the end part of the No. 1 straight conductor 11 of the 1 slot, and the other end of the round copper wire is inserted into the end part of the No. 7 straight conductor 11 of the 6 slot; and inserting one end of another round copper wire which is wound in parallel into the end part of the No. i (i =1,2,3,4,5, 6) straight conductor of the 1 slot, inserting the other end of the round copper wire into the end part of the No. i +6 straight conductor of the 6 slot, completing the connection of the straight conductor group on the upper layer of the 1 slot and the straight conductor group on the lower layer of the 6 slot, and repeating the steps to complete the connection of the straight conductors of all the slots, so as to avoid crossing.
S400, embedding the slot wedge 43 from the end opening of the iron core slot 41, enabling the straight conductor in the iron core slot 41 to be in close contact, and shaping the end winding module 2 so as to meet the corresponding technical index requirements.
In the embodiment, the iron core groove 41 comprises three inner walls which are connected in sequence, two adjacent inner walls are perpendicular to each other, the cross section of the straight conductor 11 is rectangular, and the side edges of the straight conductor 11 are arranged in a round angle manner; therefore, the straight conductor 11 can be in close contact, the effective copper filling rate is obviously improved, the copper loss can be effectively reduced, the efficiency is higher, and meanwhile, the straight conductor 11 is not required to be embedded from a notch, so that the problem of insulation scratch is avoided.
Claims (10)
1. A motor winding wire inserting method is characterized by comprising the following steps:
s100, marking iron core slots on the stator iron core in sequence;
s200, embedding straight conductors from the end openings of the iron core slots, and embedding a plurality of straight conductors in each iron core slot to form a straight conductor module;
and S300, respectively installing an end winding module and an outlet end winding module at two ends of the straight conductor module.
2. The motor winding rule method of claim 1, characterized in that: further comprising the steps of:
and S110, placing an insulating layer in the iron core groove.
3. The motor winding rule method of claim 1, characterized in that: further comprising the steps of:
s400, inserting the slot wedge from the end opening of the iron core slot, and shaping the end winding module.
4. The motor winding rule method of claim 1, characterized in that: in step S200, the plurality of straight conductors in the core slots are divided into a plurality of groups, each group includes at least two straight conductors, the plurality of straight conductors in each group are wound into a whole, and then the plurality of groups of straight conductors forming the whole are respectively embedded into the core slots.
5. The motor winding rule method of claim 1, characterized in that: in step S300, the end winding module and the outlet end winding module each include a plurality of round copper wires wound in parallel, and one end of one round copper wire wound in parallel is connected to a corresponding one of the straight conductors and the other end is connected to another corresponding one of the straight conductors according to a wire insertion schematic diagram during installation.
6. The motor winding rule method of claim 5, characterized in that: the end part of the round copper wire is connected with the end part of the straight conductor by adopting an interference fit plug-in structure.
7. The motor winding rule method of claim 6, characterized in that: the end part of the round copper wire is provided with a clamping sleeve in interference fit with the end part of the straight conductor.
8. The motor winding rule method of claim 6, characterized in that: the end part of the straight conductor is provided with a clamping groove in interference fit with the end part of the round copper wire.
9. The motor winding rule method of claim 1, characterized in that: the iron core groove comprises three inner walls which are connected in sequence, the two adjacent inner walls are perpendicular to each other, and the cross section of the straight conductor is rectangular.
10. The motor winding rule method of claim 9, characterized in that: the side edges of the straight conductors are arranged in a round angle mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463120.7A CN112688508A (en) | 2020-12-14 | 2020-12-14 | Motor winding wire embedding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463120.7A CN112688508A (en) | 2020-12-14 | 2020-12-14 | Motor winding wire embedding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112688508A true CN112688508A (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011463120.7A Pending CN112688508A (en) | 2020-12-14 | 2020-12-14 | Motor winding wire embedding method |
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| CN (1) | CN112688508A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580403A (en) * | 2012-08-06 | 2014-02-12 | 雷米技术有限公司 | Electric machine with single or dual-shape winding configuration and method |
| CN106233583A (en) * | 2014-04-22 | 2016-12-14 | 菲艾姆股份有限公司 | Motor |
| CN107633752A (en) * | 2017-09-27 | 2018-01-26 | 柳州铁道职业技术学院 | New-type electric machine teaching mode |
| CN109560639A (en) * | 2017-09-27 | 2019-04-02 | 天津市松正电动汽车技术股份有限公司 | A kind of side's copper wire motor stator structure |
| CN110380547A (en) * | 2019-07-12 | 2019-10-25 | 合肥巨一动力系统有限公司 | A kind of flat wire motor stator |
| CN110445280A (en) * | 2019-08-14 | 2019-11-12 | 苏州汇川技术有限公司 | Stator end connection component and flat wire motor |
| CN111130243A (en) * | 2018-11-01 | 2020-05-08 | 福建省仙游电机股份有限公司 | Winding flat copper wire and stator manufacturing process |
| CN211266604U (en) * | 2019-10-18 | 2020-08-14 | 中国第一汽车股份有限公司 | Motor stator and motor |
| CN111555506A (en) * | 2020-05-15 | 2020-08-18 | 天津市松正电动汽车技术股份有限公司 | Motor stator and motor |
| CN211456842U (en) * | 2019-09-27 | 2020-09-08 | 安徽鸿创新能源动力有限公司 | Winding structure for driving motor of electric motorcycle |
-
2020
- 2020-12-14 CN CN202011463120.7A patent/CN112688508A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580403A (en) * | 2012-08-06 | 2014-02-12 | 雷米技术有限公司 | Electric machine with single or dual-shape winding configuration and method |
| CN106233583A (en) * | 2014-04-22 | 2016-12-14 | 菲艾姆股份有限公司 | Motor |
| CN107633752A (en) * | 2017-09-27 | 2018-01-26 | 柳州铁道职业技术学院 | New-type electric machine teaching mode |
| CN109560639A (en) * | 2017-09-27 | 2019-04-02 | 天津市松正电动汽车技术股份有限公司 | A kind of side's copper wire motor stator structure |
| CN111130243A (en) * | 2018-11-01 | 2020-05-08 | 福建省仙游电机股份有限公司 | Winding flat copper wire and stator manufacturing process |
| CN110380547A (en) * | 2019-07-12 | 2019-10-25 | 合肥巨一动力系统有限公司 | A kind of flat wire motor stator |
| CN110445280A (en) * | 2019-08-14 | 2019-11-12 | 苏州汇川技术有限公司 | Stator end connection component and flat wire motor |
| CN211456842U (en) * | 2019-09-27 | 2020-09-08 | 安徽鸿创新能源动力有限公司 | Winding structure for driving motor of electric motorcycle |
| CN211266604U (en) * | 2019-10-18 | 2020-08-14 | 中国第一汽车股份有限公司 | Motor stator and motor |
| CN111555506A (en) * | 2020-05-15 | 2020-08-18 | 天津市松正电动汽车技术股份有限公司 | Motor stator and motor |
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