CN109104018B - Insulating bracket for motor and winding method thereof - Google Patents
Insulating bracket for motor and winding method thereof Download PDFInfo
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- CN109104018B CN109104018B CN201710476943.5A CN201710476943A CN109104018B CN 109104018 B CN109104018 B CN 109104018B CN 201710476943 A CN201710476943 A CN 201710476943A CN 109104018 B CN109104018 B CN 109104018B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/085—Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/48—Fastening of windings on the stator or rotor structure in slots
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention provides an insulating bracket for a motor and a winding method thereof, wherein the insulating bracket for the motor comprises a body, a fixing device, a wiring device and a winding device, wherein: the body is a circular ring; the fixing device comprises a plurality of first type grooves positioned on the top surface of the body and a plurality of first type convex objects positioned on the top surface of the body; the wiring device comprises a plurality of through holes positioned on the side surface of the body and a plurality of second class grooves positioned on the outer side surface of the body; the winding device is a plurality of second-class convex objects positioned on the inner side surface of the body; the winding wire is wound on the winding device, led out from the winding device, passes through the first type groove and the second type groove, and then passes through the through hole to wind on the first type protrusion. The invention solves the problem that the existing insulating bracket cannot be applied to a multi-branch parallel winding type motor.
Description
Technical Field
The invention relates to the technical field of motors, in particular to an insulating bracket for a motor and a winding method thereof.
Background
The permanent magnet synchronous motor has the characteristics of high power, small volume and high efficiency, so that the permanent magnet synchronous motor is widely applied to various fields. The concentrated winding type permanent magnet synchronous motor is superior to a distributed winding type motor in efficiency due to the characteristics of short end windings and the like. The end winding of the motor can be further reduced by using the insulating bracket, and the motor efficiency is improved. Because the lead wires of the series wound motor are fewer, and the lead wires of the parallel wound motor are more, if the traditional bracket is directly applied to the parallel wound motor, the lead wires of the motor are disordered. Therefore, the existing insulating support is only suitable for the motor with the series winding in design, is simpler in design, has various problems or potential safety hazards, such as difficult fixation of a coil lead-out copper wire, easy fault of transition wire routing, staggered transition wire routing and the like, is generally applied to the motor with the series winding, and is less applied to the motor with the multi-branch parallel winding.
Therefore, it is necessary to design an insulation support with a novel structure, so that the insulation support can be applied to a motor with parallel windings, and meanwhile, some problems of the existing insulation support are solved.
Disclosure of Invention
The invention aims to provide an insulating bracket for a motor and a winding method thereof, which are used for solving the problem that the existing insulating bracket is not applicable to a motor with parallel windings.
In order to solve the technical problems, the invention provides an insulating bracket for a motor, which comprises a body, a fixing device, a wiring device and a winding device, wherein:
the fixing device comprises a plurality of first type grooves positioned on the top surface of the body and a plurality of first type convex objects positioned on the top surface of the body;
the wiring device comprises a plurality of through holes positioned on the side wall of the body and a plurality of second class grooves positioned on the outer side surface of the body;
the winding wire is wound on the winding device, led out from the winding device, passes through the first type groove and the second type groove, and then passes through the through hole to be wound on the first type protrusion.
Optionally, in the insulating bracket for a motor, the winding device includes a plurality of second-type protrusions located on an inner side surface of the body and a plurality of side structures fixed to ends of the second-type protrusions, the side structures are located on a side, away from the inner side surface of the body, of the second-type protrusions, and the side structures are closer to the top surface of the body than the second-type protrusions.
Optionally, in the insulating support for a motor, a top surface of the side structure includes a third groove.
Optionally, in the insulating bracket for a motor, the number of the winding devices is the same as the number of the stator teeth of the motor.
Optionally, in the insulating support for a motor, the end of each first type of slot further includes a fourth type of slot with an opening direction perpendicular to the first type of slot.
Optionally, in the insulating support for a motor, the number of the first type of slots is a multiple of the number of motor phases.
Optionally, in the insulating support for a motor, the number of the fourth type of slots whose opening direction is right with respect to the first type of slots is equal to the number of motor phases, and the number of the fourth type of slots whose opening direction is left with respect to the first type of slots is equal to the number of motor phases, as seen from an angle of an inner side surface of the body.
Optionally, in the insulating bracket for a motor, the first type of protrusion is a T-shaped protrusion.
Optionally, in the insulating support for a motor, the number of the first type protrusions is a multiple of the number of motor phases.
Optionally, in the insulating bracket for a motor, the through hole is located at a position close to the first type protrusion on the side surface of the body.
Optionally, in the insulating bracket for a motor, the number of the through holes is a multiple of the number of motor phases.
Optionally, in the insulating support for a motor, the number of the second type of slots is a multiple of the number of motor phases.
Optionally, in the insulating support for a motor, the insulating support for a motor further includes a connecting device, and the connecting device is a plurality of third type protrusions located on the bottom surface of the winding device.
Optionally, in the insulating support for a motor, the third type of protrusion is circular, diamond-shaped, triangular or elliptical.
Optionally, in the insulating bracket for the motor, the height of the third type of protrusion is 1-10 times of the thickness of the motor punching sheet.
Optionally, in the insulating support for a motor, an included angle between two adjacent third type protrusions is:
360°/k＜α＜180°
wherein k is the number of winding devices, and alpha is the included angle between the third type of protrusions.
Optionally, in the insulating support for a motor, the body is in a ring structure.
The invention also provides a winding method of the insulating bracket for the motor, which comprises the following steps: the winding wire is wound on the winding device, led out from the winding device, passes through the first type groove and the second type groove, and then passes through the through hole to wind on the first type protrusion.
According to the insulating bracket for the motor and the winding method thereof, the first type of grooves and the first type of protrusions are used for fixing the winding, the through holes and the second type of protrusions are matched for arranging the winding, the winding is wound on the winding device, is led out from the winding device, passes through the first type of grooves, passes through the second type of grooves and is wound on the first type of protrusions through the through holes, the fixing and the ordered winding of the winding outgoing lines are realized, the problem that the number of outgoing lines of the parallel winding motor is large is solved, and the problem that the existing insulating bracket cannot be applied to a multi-branch parallel winding mode motor is solved.
Specifically, the opening direction of the fourth type groove is the same as the wiring direction of the winding wire entering the first type groove, the L-shaped wire outlet groove and the reverse L-shaped wire outlet groove are designed, the wiring of the motor is divided into two directions of clockwise and anticlockwise, the multilayer wire outlet grooves are matched, the coil outgoing wire of each groove is led out to the final outgoing wire position, and the design can prevent the error of the wiring direction of the copper wire and improve the production efficiency of the motor.
Further, the connection device under the winding device ensures the correct installation of the insulating bracket. The protrusions are distributed in a non-central symmetry mode, and a certain angle is formed between two adjacent protrusions, so that confirmation of the relative position of the protrusions and the stator core during bracket installation is facilitated, and accuracy and reliability during bracket installation are guaranteed.
The second type groove on the outer side of the body is used for routing coil transition wires, so that independent routing of each phase transition wire is guaranteed, an inter-phase insulation effect is achieved, and inter-phase short circuit caused by out-of-phase contact is prevented. The outer diameter side of the body ring is provided with a plurality of grooves along the circumferential direction, and the grooves are used for routing transition wires from grooves to outgoing lines of each groove coil. The grooves are divided into a plurality of layers along the vertical direction of the support, so that the transition line of each groove coil is ensured not to be contacted with the transition lines of other grooves. The design can ensure independent wiring of transition wires of coils in each groove, plays an insulating protection role, and prevents the problem of interphase short circuit caused by heterogeneous copper wire contact. In addition, the through holes on the side surfaces of the body and the T-shaped frame on the top surface play a role in fixing the lead-out copper wires.
The through holes are arranged beside the first type protrusions, and after the winding wire runs out of the grooves, the winding wire enters the inner side face of the body through the through holes and then winds on the first type protrusions, so that the fixing effect is achieved again.
Drawings
FIG. 1 is a schematic perspective view of an insulating bracket for an electric motor according to the present invention;
FIG. 2 is another perspective view of the insulating support for the motor of the present invention;
FIG. 3 is a schematic top view of the insulating support for the motor of the present invention;
fig. 4 is a perspective view of a lower bracket of the insulating bracket for the motor of the present invention;
the figure shows: 1-a body; 21-a first type of groove; 22-a second class of slots; 23-a third class of grooves; 24-fourth class of grooves; 31-first class of projections; 32-a second type of protrusion; 33-a third type of protrusion; 4-through holes; a 5-sided structure; 6-lower bracket.
Detailed Description
The invention provides an insulating bracket for a motor and a winding method thereof, which are further described in detail below with reference to the accompanying drawings and specific embodiments. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
The invention provides an insulating bracket for a motor and a winding method thereof, which aim to solve the problem that the existing insulating bracket is not applicable to a motor with parallel windings.
In order to realize the above thought, the invention provides an insulating bracket for a motor, wherein a winding wire is wound on a winding device, led out from the winding device, passes through a first type groove and a second type groove, and then passes through a through hole to be wound on a first type protrusion.
Example 1
The embodiment provides an insulating support for a motor, as shown in fig. 1-2, the insulating support for a motor comprises a body 1, a fixing device, a wiring device and a winding device, wherein: the fixing means comprise a number of first type grooves 21 on the top surface of the body 1 and a number of first type projections 31 on the top surface of the body 1; the wiring device comprises a plurality of through holes 4 positioned on the side wall of the body 1 and a plurality of second type grooves 22 positioned on the outer side surface of the body 1; the wire is wound on the winding device, led out from the winding device, passes through the first type groove 21 and the second type groove 22, and then passes through the through hole 4 to be wound on the first type protrusion 31, and the body 1 is of a circular ring structure.
The winding device comprises a plurality of second-type protrusions 32 positioned on the inner side surface of the body and a plurality of side structures 5 fixed at the tail ends of the second-type protrusions 32, wherein the side structures 5 are positioned on one side, away from the inner side surface of the body 1, of the second-type protrusions 32, and the side structures 5 are closer to the top surface of the body 1 than the second-type protrusions 32.
In the insulating support for the motor provided by the embodiment, the first type groove 21 and the first type protrusion 31 are used for fixing the winding, the through hole 4 and the second type protrusion 32 are matched for arranging the winding, the winding is wound on the winding device, is led out from the winding device, passes through the first type groove 21, passes through the second type groove 22 and then is wound on the first type protrusion 31 through the through hole 4, the fixing and wiring order of the winding outgoing line are realized, the problem that the number of the outgoing lines of the parallel winding motor is large is solved, and the problem that the existing insulating support cannot be applied to a multi-branch parallel winding mode motor is solved.
Further, the second type groove 22 on the outer side of the body 1 is used for routing coil transition wires, so that independent routing of each phase transition wire is ensured, an inter-phase insulation function is achieved, and inter-phase short circuit caused by out-of-phase contact is prevented. The outer diameter side of the body ring is provided with a plurality of grooves along the circumferential direction, and the grooves are used for routing transition wires from grooves to outgoing lines of each groove coil. The grooves are divided into a plurality of layers along the vertical direction of the support, so that the transition line of each groove coil is ensured not to be contacted with the transition lines of other grooves. The design can ensure independent wiring of transition wires of coils in each groove, plays an insulating protection role, and prevents the problem of interphase short circuit caused by heterogeneous copper wire contact.
Specifically, in the insulating support for a motor, the winding device includes a side structure 5 near one end of the top surface of the body 1. The top surface of the side structure 5 comprises a third kind of groove 23. The third type of slot 23 is effective to secure the wire leading from the wire winding device to the side structure 5 so that the wire will not slip off the side structure 5 when it is led from the wire winding device and into the first type of slot 21. The number of the winding devices is the same as that of the motor stator teeth. The end of each first type slot 21 further comprises a fourth type slot 24 with an opening direction perpendicular to the first type slot, the opening direction of the fourth type slot 24 is the same as the wiring direction of the winding wire entering the first type slot 21, the number of the first type slots 21 is a multiple of the number of motor phases, the number of the fourth type slots 24 with the opening direction being right relative to the first type slot 21 is equal to the number of motor phases when seen from the angle of the inner side surface of the body 1, the number of the fourth type slots 24 with the opening direction being left relative to the first type slot 21 is equal to the number of motor phases, namely, half of the fourth type slots 24 are opened leftwards, and the other half of the fourth type slots 24 are opened rightwards.
In this embodiment, the opening direction of the fourth slot 24 is the same as the routing direction of the winding wire entering the first slot 21, so that the L-shaped wire outlet slot and the inverted L-shaped wire outlet slot are designed, the routing of the motor is divided into two directions, namely clockwise and anticlockwise, the multi-layer second slot 22 is matched, namely, the routing slot, the coil of each slot enters the fourth slot 24 from the first slot 21, and enters the second slot 22 through the fourth slot 24, so that the design can prevent the error of the routing direction of the copper wire and improve the production efficiency of the motor.
Further, in the insulating support for a motor, the first type protrusions 31 are T-shaped protrusions, and the number of the first type protrusions 31 is a multiple of the number of motor phases. The through holes 4 are positioned on the side surface of the body 1 and close to the first type protrusions 31, and the number of the through holes 4 is a multiple of the number of motor phases. The number of slots 22 of the second type is a multiple of the number of motor phases. The through holes 4 on the side surface of the body 1 and the T-shaped frame on the top surface play a role in fixing the lead-out copper wires.
In addition, in the insulating bracket for a motor, the insulating bracket for a motor further comprises a connecting device, and the connecting device is a plurality of third type protrusions 33 positioned on the bottom surface of the winding device. The third type of protrusions 33 are circular, diamond-shaped, triangular or oval, preferably circular, the height of the third type of protrusions 33 is 1-10 times the thickness of the motor punching sheet, the included angle between the third type of protrusions 33 is smaller than 180 degrees and larger than 360 degrees/the number of winding devices, namely, the included angle between two adjacent third type of protrusions is:
360°/k＜α＜180°
wherein k is the number of winding devices, and alpha is the included angle between the third type of protrusions. The connecting device under the winding device ensures the correct installation of the insulating bracket. The protrusions are distributed in a non-central symmetry mode, and a certain angle is formed between two adjacent protrusions, so that confirmation of the relative position of the protrusions and the stator core during bracket installation is facilitated, and accuracy and reliability during bracket installation are guaranteed.
Finally, in the insulating bracket for a motor, as shown in fig. 4, the insulating bracket for a motor further includes a lower bracket 6, the lower bracket 6 is mounted at the other end of the motor stator, and the lower bracket 6 is used in cooperation with the body 1, and also includes a winding device, a side edge on the winding device, and other structures.
In summary, the above embodiments describe in detail different configurations of the insulating support for an electric motor, and of course, the present invention includes, but is not limited to, the configurations listed in the above embodiments, and any configuration that is changed based on the configurations provided in the above embodiments falls within the scope of protection of the present invention. One skilled in the art can recognize that the above embodiments are illustrative.
< example two >
The invention also provides a winding method of the insulating bracket for the motor, which comprises the following steps: the winding is wound on the winding device, led out from the winding device, passes through the first type groove 21 and the second type groove 22, and then passes through the through hole 4 to be wound on the first type protrusion 31.
In the winding method of the insulating support for the motor provided in this embodiment, the winding is wound on the winding device, and is led out from the winding device, namely, the second type protrusion 32, and the winding device is used for guiding the winding on the motor to the insulating support, then the winding is fixed through the first type slot 21, in this embodiment, the opening direction of the fourth type slot 24 is the same as the wiring direction of the winding entering the first type slot 21, an L-shaped wire outlet slot and an inverse L-shaped wire outlet slot are designed, the wiring of the motor is divided into two directions of clockwise and anticlockwise, and the winding wire of each slot is led out to the final wire outlet position by matching with the multi-layer second type slot 22, namely, the wire outlet slot.
Further, after the winding wire is led out from the first type slot 21 and enters the second type slot 22, a plurality of grooves are formed on the outer diameter side of the circular ring of the body 1 along the circumferential direction, and the grooves are used for the winding wire of the winding wire from the slot to the outgoing line position of each slot of the coil. The grooves are divided into a plurality of layers along the vertical direction of the support, so that the transition line of each groove coil is ensured not to be contacted with the transition lines of other grooves. The second type groove 22 on the outer side of the body 1 is used for routing of windings, so that independent routing of windings of each phase can be ensured, an interphase insulation function is achieved, and interphase short circuit caused by out-of-phase contact is prevented. The design can ensure independent wiring of each slot coil winding, plays an insulating protection role, and prevents the problem of interphase short circuit caused by heterogeneous copper wire contact; the fixing of winding and orderly wiring are realized, the problem that the number of outgoing lines of the parallel winding motor is large is solved, and the problem that the existing insulating support cannot be applied to a multi-branch parallel winding motor is solved.
Further, when the winding wire passes through the second type slot 22 and reaches the through hole 4 near the first type protrusion 31, the winding wire passes through the through hole 4 and enters the inner side surface of the body 1, then winds on the first type protrusion 31, plays a fixed role on the winding wire, and then the winding wire can be led out to be connected with external equipment. The first kind of protrusions 31 are T-shaped frames, and the through holes 4 on the side surface of the body 1 and the T-shaped frames on the top surface play a role in fixing lead-out copper wires.
In addition, the connecting device under the winding device ensures the correct installation of the insulating bracket. The protrusions are distributed in a non-central symmetry mode, and a certain angle is formed between two adjacent protrusions, so that confirmation of the relative position of the protrusions and the stator core during bracket installation is facilitated, and accuracy and reliability during bracket installation are guaranteed.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the system disclosed in the embodiment, the description is relatively simple because of corresponding to the method disclosed in the embodiment, and the relevant points refer to the description of the method section.
The above description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.
Claims (15)
1. The utility model provides an insulating support for motor which characterized in that, insulating support for motor includes body, fixing device, walks line device and winding device, wherein:
the fixing device comprises a plurality of first type grooves positioned on the top surface of the body and a plurality of first type protrusions positioned on the top surface of the body;
the wiring device comprises a plurality of through holes positioned on the side wall of the body and a plurality of second class grooves positioned on the outer side surface of the body;
the winding device comprises a plurality of second-type bulges and a plurality of side structures, the second-type bulges are positioned on the inner side surface of the body, the side structures are fixed at the tail ends of the second-type bulges, the side structures are positioned on one side, far away from the inner side surface of the body, of the second-type bulges, and the side structures are closer to the top surface of the body than the second-type bulges;
the winding wire is wound on the winding device, led out from the winding device, passes through the first type groove and the second type groove, and then passes through the through hole to be wound on the first type protrusion;
the tail end of each first type groove further comprises a fourth type groove with an opening direction perpendicular to the first type groove; seen from the angle of the inner side surface of the body, the number of the fourth type of grooves with the opening direction being right relative to the first type of grooves is equal to the number of the motor phases, and the number of the fourth type of grooves with the opening direction being left relative to the first type of grooves is equal to the number of the motor phases.
2. The insulating support for an electric machine of claim 1, wherein the top surface of the side structure includes a third type of slot.
3. An insulating support for an electric motor as claimed in claim 1, wherein the number of winding means is the same as the number of motor stator teeth.
4. The insulating support for an electric motor of claim 1, wherein the number of slots of the first type is a multiple of the number of motor phases.
5. The insulating support for an electric machine of claim 1, wherein said first type of projections are T-shaped projections.
6. The insulating support for an electric motor of claim 5, wherein the number of protrusions of the first type is a multiple of the number of motor phases.
7. The insulating support for an electric motor as set forth in claim 1, wherein said through hole is located at a side of said body adjacent to the first type of protrusion.
8. The insulating support for an electric motor according to claim 7, wherein the number of through holes is a multiple of the number of motor phases.
9. The insulating support for an electric motor of claim 1, wherein the number of slots of the second type is a multiple of the number of motor phases.
10. The insulating support for an electric motor of claim 1, further comprising a connecting means, wherein the connecting means is a plurality of third type protrusions located on the bottom surface of the winding means.
11. The insulating support for an electric motor as set forth in claim 10, wherein said third type of projections are circular, diamond-shaped, triangular or oval in shape.
12. The insulating support for a motor of claim 10, wherein the third type of protrusions have a height of 1 to 10 times the thickness of the motor sheet.
13. The insulating support for an electric motor as set forth in claim 10, wherein an angle between adjacent ones of said third type protrusions is:
360°/k＜α＜180°
wherein k is the number of winding devices, and alpha is the included angle between the third type of protrusions.
14. An insulating support for an electrical machine as claimed in any one of claims 1 to 13, wherein said body is of annular configuration.
15. A winding method of an insulating bracket for an electric motor, characterized in that the winding method of the insulating bracket for an electric motor is realized based on the insulating bracket for an electric motor according to any one of claims 1 to 14, comprising: the winding wire is wound on the winding device, led out from the winding device, passes through the first type groove and the second type groove, and then passes through the through hole to wind on the first type protrusion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710476943.5A CN109104018B (en) | 2017-06-21 | 2017-06-21 | Insulating bracket for motor and winding method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710476943.5A CN109104018B (en) | 2017-06-21 | 2017-06-21 | Insulating bracket for motor and winding method thereof |
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| CN109104018A CN109104018A (en) | 2018-12-28 |
| CN109104018B true CN109104018B (en) | 2023-08-01 |
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| CN109104018A (en) | 2018-12-28 |
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