CN111756144A - Laminated gap-bridge-connected flat-wire doubly salient excitation motor stator - Google Patents
Laminated gap-bridge-connected flat-wire doubly salient excitation motor stator Download PDFInfo
- Publication number
- CN111756144A CN111756144A CN202010635008.0A CN202010635008A CN111756144A CN 111756144 A CN111756144 A CN 111756144A CN 202010635008 A CN202010635008 A CN 202010635008A CN 111756144 A CN111756144 A CN 111756144A
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- Prior art keywords
- armature winding
- wire
- phase
- phase armature
- flat
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- 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
- H02K3/28—Layout of windings or of connections between windings
-
- 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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The invention discloses a laminated gap bridge connected flat wire doubly salient excitation motor stator, comprising: the stator core comprises a stator core body, a C-phase armature winding, an A-phase armature winding, a B-phase armature winding, a plurality of midpoint connecting lines and a plurality of insulation devices, wherein the C-phase armature winding, the A-phase armature winding and the B-phase armature winding are sequentially stacked in a stator core groove, a star-shaped connection structure is adopted among the C-phase armature winding, the A-phase armature winding and the B-phase armature winding, one end of each phase of winding is respectively led out to serve as a three-phase input line, the other end of each phase of winding is welded together through the midpoint connecting lines, the midpoint connecting lines are connected in a welding mode, and the insulation devices are arranged at the welding points. Through the mode, the problems of low processing and assembling efficiency of the conventional flat wire doubly salient excitation motor can be solved.
Description
Technical Field
The invention relates to the field of motors, in particular to a flat wire doubly salient excitation motor stator connected by a laminated gap bridge.
Background
When the winding end parts of the conventional flat-wire doubly salient excitation motor are connected, the extension line of each phase of armature winding is directly led out at the wire outlet end, then each armature winding is directly welded together, and shaping and binding are carried out after a glass fiber sleeve is sleeved.
The conventional structure and welding mode mainly have the following problems:
1. the size of the end part of the motor stator flat wire winding is large, the shape of an armature wire at the end part is irregular, manual shaping is needed, and the efficiency is low;
2. when a plurality of stator winding flat copper wires are welded, manual staggered welding is needed, the consistency is poor, and the reliability is low;
3. the manual shaping is easy to cause paint skin damage at the root of the winding, so that short circuit between the windings is caused;
4. and the glass fiber sleeve which is not heat-conducting is adopted in a large quantity for binding after being sleeved, so that the heat of the end winding cannot be transmitted, and the heat dissipation performance is poor.
Disclosure of Invention
The invention mainly solves the technical problem of providing a laminated flat-wire doubly salient excitation motor stator connected by a gap bridge, and can solve the problem of low processing and assembling efficiency of the conventional flat-wire doubly salient excitation motor.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a flat line biconvex pole excitation motor stator that cascade gap bridge is connected, includes: the stator core comprises a stator core body, a C-phase armature winding, an A-phase armature winding, a B-phase armature winding, a plurality of midpoint connecting lines and a plurality of insulation devices, wherein the C-phase armature winding, the A-phase armature winding and the B-phase armature winding are sequentially stacked in a stator core groove, a star-shaped connection structure is adopted among the C-phase armature winding, the A-phase armature winding and the B-phase armature winding, one end of each phase of winding is respectively led out to serve as a three-phase input line, the other end of each phase of winding is welded together through the midpoint connecting lines, the midpoint connecting lines are connected in a welding mode, and the insulation devices are arranged at the welding points.
Preferably, the C-phase armature winding, the a-phase armature winding, and the B-phase armature winding have the same structure, and each of the C-phase armature winding, the a-phase armature winding, and the B-phase armature winding includes: annular open-loop gap bridge wire, a plurality of armature winding coils, lead-out wire and insulator arrangement, each looks armature winding coil all has two pins, and wherein, a pin and lead-out wire all weld in respective annular open-loop gap bridge wire, and another pin passes through the mid-point connecting wire welding together, insulator arrangement sets up in the solder joint department.
Preferably, the number of armature winding coils of each phase is 6N, where N is an integer and 1 or more.
Preferably, the pin of each phase armature winding coil below the annular open-loop gap bridge wire is welded to the annular open-loop gap bridge wire.
Preferably, the midpoint connecting line is an enameled flat copper wire.
Preferably, each phase armature winding coil is a flat wire armature winding coil.
Preferably, the annular open-loop gap bridge wire is a gap bridge wire of an enameled rectangular wire structure.
Preferably, the insulation device adopts one or more of heat-conducting silicon adhesive tape, insulating paper, a plastic-dipped layer and a plastic-sprayed layer.
The invention has the beneficial effects that:
1. efficiency is promoted, artificial plastic is reduced: the brand-new gap bridge wire adopts the unique flat wire annular design at home and abroad at present, and the unique gap bridge wire horizontal direction stacking method can flexibly adjust wire gauges according to different motor design requirements, has regular and neat shapes, reduces the later manual shaping, and is suitable for batch production;
2. the occupied space of the end part is small: the design requirement of compact structure space is met, the types of bridge wires are few, and common flat copper enameled wires on the market are directly used;
3. the welding reliability is high: the connection between each phase of windings is horizontally welded (without the limitation of welding equipment of manufacturers, such as laser welding and resistance welding, and the welding is convenient and reliable);
4. the binding of a large amount of glass fiber sleeves is reduced, and the heat dissipation capability can be improved.
Drawings
Fig. 1 is a schematic perspective view of a laminated gap bridge connected flat-wire doubly salient excitation motor stator according to a preferred embodiment of the present invention;
FIG. 2 is a schematic perspective view of the A-phase armature winding;
FIG. 3 is a schematic diagram of the welding position of the A-phase armature winding;
FIG. 4 is a view of the end of the laminated flat wire bridging the wires;
FIG. 5 is a schematic view of the structure shown at the midpoint connection line;
the parts in the drawings are numbered as follows: 1. the winding comprises a stator core, 2 and C-phase armature windings, 3 and A-phase armature windings, 4 and B-phase armature windings, 5 and a midpoint connecting wire, 6 and an insulating device, 7 and an annular open-loop bridge wire, 8 and an armature winding coil, 9 and a lead-out wire, 10 and an insulating device.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1, an embodiment of the present invention includes:
a laminated gap bridge connected flat wire doubly salient excitation motor stator comprises: the stator comprises a stator core, a C-phase armature winding, an A-phase armature winding, a B-phase armature winding, 6 midpoint connecting lines and 18 heat-conducting silicon adhesive tapes, wherein the C-phase armature winding, the A-phase armature winding and the B-phase armature winding are sequentially stacked in a stator core slot, a star-shaped connecting structure is adopted among the C-phase armature winding, the A-phase armature winding and the B-phase armature winding, one end of each phase of winding is respectively led out to serve as a three-phase input line, the other end of each phase of winding is welded together through the midpoint connecting lines, the 6 midpoint connecting lines are connected in a welding mode, the heat-conducting silicon adhesive tapes are arranged at the welding points, and insulation is carried out through the heat-conducting silicon adhesive.
As shown in fig. 2, the C-phase armature winding, the a-phase armature winding, and the B-phase armature winding have the same structure, and each of the C-phase armature winding, the a-phase armature winding, and the B-phase armature winding includes: the annular open-loop gap bridge wire comprises an annular open-loop gap bridge wire body, a plurality of armature winding coils, outgoing lines and a heat-conducting silicon adhesive tape, wherein each phase of armature winding coil body is provided with two pins, one pin and the outgoing line are welded on the respective annular open-loop gap bridge wire body, the other pin is welded together through a middle point connecting wire, and the heat-conducting silicon adhesive tape is attached to the welding points. The number of the armature winding coils is 6, one pin of two pins of each armature coil is welded with the gap bridge wire, and the other pin is not welded. As shown in fig. 3, in the present embodiment, adjacent armature coil weld legs are opposite, the weld legs are associated with coil current flow directions, each coil current flow direction is associated with an electromagnetic design, and according to different electromagnetic designs, the weld legs adjacent to each other in the same phase may be the same or opposite, and in the present embodiment, the weld legs adjacent to each other in the same phase are opposite in direction.
Furthermore, the pin of each phase of armature winding coil below the annular open-loop gap bridge wire is welded on the annular open-loop gap bridge wire, and the main purpose is that the armature coil pin is convenient for tooling positioning.
In the invention, as shown in fig. 2, one pin of each phase of armature winding coil is welded to the respective annular open-loop bridge wire and finally led out through the outgoing wire to be used as a three-phase input wire. As shown in fig. 4 and 5, the other legs of the three-phase armature winding coil are disposed on the same layer, and are connected by flat copper wires by welding, and the flat copper wires are connected as a midpoint to form a star connection structure.
According to the invention, the annular open-loop gap bridge wire adopts the flat copper enameled wire, the flat copper enameled wire is a standardized product, the purchase is convenient, the cost is low, and the flat copper enameled wire has insulation property and can meet the voltage-withstanding requirement. Compared with a round wire, the flat copper enameled wire has the advantages of regular shape, neat arrangement, capability of being stacked, compact structure and small occupied space. Bare copper flat bars can also be adopted, but insulation treatment such as plastic spraying, plastic packaging and the like is needed.
The installation process of the invention is as follows:
firstly, as shown in fig. 2, 6 armature winding coils of the A phase and lead-out wires are welded on a gap bridge wire, and only pins of the armature winding coils, which are positioned below the gap bridge wire, are welded;
secondly, adhering a heat conductive silicon tape 10 to each bonding area;
thirdly, the welding and the insulating treatment of the gap bridge wire of the B-phase component and the C-phase component are realized in the same way;
fourthly, according to the figure 1, firstly embedding the C-phase armature winding, then embedding the A-phase armature winding, and finally embedding the B-phase armature winding, horizontally stacking, and sequentially laminating C, A, B-phase armature windings from bottom to top after the embedding is finished (as shown in an end diagram of a laminated flat wire gap bridge wire in figure 4);
and finally, welding the 6 midpoint connecting lines 5, and attaching a heat conductive silicon tape to each welding area (as shown in FIG. 5).
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a flat line biconvex pole excitation motor stator that range upon range of formula gap bridge is connected which characterized in that includes: the stator core comprises a stator core body, a C-phase armature winding, an A-phase armature winding, a B-phase armature winding, a plurality of midpoint connecting lines and a plurality of insulation devices, wherein the C-phase armature winding, the A-phase armature winding and the B-phase armature winding are sequentially stacked in a stator core groove, a star-shaped connection structure is adopted among the C-phase armature winding, the A-phase armature winding and the B-phase armature winding, one end of each phase of winding is respectively led out to serve as a three-phase input line, the other end of each phase of winding is welded together through the midpoint connecting lines, the midpoint connecting lines are connected in a welding mode, and the insulation devices are arranged at the welding points.
2. The laminated gap-bridged flat-wire doubly salient excited machine stator according to claim 1, wherein the C-phase armature winding, the a-phase armature winding and the B-phase armature winding have the same structure and each comprises: annular open-loop gap bridge wire, a plurality of armature winding coils, lead-out wire and insulator arrangement, each looks armature winding coil all has two pins, and wherein, a pin and lead-out wire all weld in respective annular open-loop gap bridge wire, and another pin passes through the mid-point connecting wire welding together, insulator arrangement sets up in the solder joint department.
3. The laminated gap-bridged flat-wire doubly salient excited machine stator according to claim 2, wherein the number of armature winding coils per phase is 2N, where N is an integer and is 1 or more.
4. The laminated gap-bridged flat-wire doubly salient excited machine stator according to claim 2, wherein the pin of each phase armature winding coil below the annular open-loop gap-bridged wire is welded to the annular open-loop gap-bridged wire.
5. The laminated gap bridge connected flat wire doubly salient excited motor stator of claim 2, wherein the midpoint connecting wire is an enameled flat copper wire.
6. The laminated gap-bridged flat-wire doubly salient excited machine stator of claim 2, wherein each phase armature winding coil is a flat-wire armature winding coil.
7. The laminated gap-bridged flat-wire doubly salient excited motor stator as claimed in claim 2, wherein the annular open-loop gap-bridge wire is an enameled flat-wire gap-bridge wire.
8. The laminated gap bridge connected flat wire doubly salient excited motor stator as claimed in claim 1 or 2, wherein said insulation means is one or more of heat conductive silicon tape, insulation paper, plastic impregnated layer and plastic sprayed layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010635008.0A CN111756144A (en) | 2020-07-03 | 2020-07-03 | Laminated gap-bridge-connected flat-wire doubly salient excitation motor stator |
| CN202120895097.2U CN214958968U (en) | 2020-07-03 | 2021-04-28 | Laminated gap-bridge-connected flat-wire doubly salient excitation motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010635008.0A CN111756144A (en) | 2020-07-03 | 2020-07-03 | Laminated gap-bridge-connected flat-wire doubly salient excitation motor stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111756144A true CN111756144A (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010635008.0A Pending CN111756144A (en) | 2020-07-03 | 2020-07-03 | Laminated gap-bridge-connected flat-wire doubly salient excitation motor stator |
| CN202120895097.2U Active CN214958968U (en) | 2020-07-03 | 2021-04-28 | Laminated gap-bridge-connected flat-wire doubly salient excitation motor stator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120895097.2U Active CN214958968U (en) | 2020-07-03 | 2021-04-28 | Laminated gap-bridge-connected flat-wire doubly salient excitation motor stator |
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| Country | Link |
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| CN (2) | CN111756144A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1035630A2 (en) * | 1999-03-09 | 2000-09-13 | Toyota Jidosha Kabushiki Kaisha | Rotating electric machine and method for connecting coils of rotating electric machine |
| DE10231596A1 (en) * | 2002-07-12 | 2004-01-22 | Robert Bosch Gmbh | Electrical machine |
| EP1499000A1 (en) * | 2003-07-12 | 2005-01-19 | Grundfos a/s | Segmented stator |
| CN102457149A (en) * | 2010-10-20 | 2012-05-16 | 阿斯莫株式会社 | Stator, brushless motor, and manufacturing method of the same |
| CN203219159U (en) * | 2013-04-23 | 2013-09-25 | 黄冈市新大地实业有限公司 | Doubly-salient electro-magnetic generator |
| CN105580248A (en) * | 2013-09-26 | 2016-05-11 | 株式会社美姿把 | Bus bar unit, method for manufacturing bus bar unit, and brushless motor |
| CN110199458A (en) * | 2017-01-18 | 2019-09-03 | 松下知识产权经营株式会社 | The assemble method of coil forming body and its manufacturing method, motor and stator |
| CN110546862A (en) * | 2017-03-31 | 2019-12-06 | 日本电产株式会社 | Bus bar unit and motor having the same |
-
2020
- 2020-07-03 CN CN202010635008.0A patent/CN111756144A/en active Pending
-
2021
- 2021-04-28 CN CN202120895097.2U patent/CN214958968U/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1035630A2 (en) * | 1999-03-09 | 2000-09-13 | Toyota Jidosha Kabushiki Kaisha | Rotating electric machine and method for connecting coils of rotating electric machine |
| DE10231596A1 (en) * | 2002-07-12 | 2004-01-22 | Robert Bosch Gmbh | Electrical machine |
| EP1499000A1 (en) * | 2003-07-12 | 2005-01-19 | Grundfos a/s | Segmented stator |
| CN102457149A (en) * | 2010-10-20 | 2012-05-16 | 阿斯莫株式会社 | Stator, brushless motor, and manufacturing method of the same |
| CN203219159U (en) * | 2013-04-23 | 2013-09-25 | 黄冈市新大地实业有限公司 | Doubly-salient electro-magnetic generator |
| CN105580248A (en) * | 2013-09-26 | 2016-05-11 | 株式会社美姿把 | Bus bar unit, method for manufacturing bus bar unit, and brushless motor |
| CN110199458A (en) * | 2017-01-18 | 2019-09-03 | 松下知识产权经营株式会社 | The assemble method of coil forming body and its manufacturing method, motor and stator |
| CN110546862A (en) * | 2017-03-31 | 2019-12-06 | 日本电产株式会社 | Bus bar unit and motor having the same |
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| Publication number | Publication date |
|---|---|
| CN214958968U (en) | 2021-11-30 |
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Application publication date: 20201009 |