CN108718139A - A kind of four-pole permanent magnet has brush hollow cup motor rotor structure - Google Patents
A kind of four-pole permanent magnet has brush hollow cup motor rotor structure Download PDFInfo
- Publication number
- CN108718139A CN108718139A CN201810700360.0A CN201810700360A CN108718139A CN 108718139 A CN108718139 A CN 108718139A CN 201810700360 A CN201810700360 A CN 201810700360A CN 108718139 A CN108718139 A CN 108718139A
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- Prior art keywords
- coil
- commutator
- permanent magnet
- absolute
- brush
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/04—Connections between commutator segments and windings
-
- 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
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc Machiner (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
There is the brush hollow cup motor rotor structure to include the invention discloses a kind of four-pole permanent magnet：Solenoid, disk, commutator, arbor；The arbor is fixedly connected with the center of disk, and described solenoid one end is fixed in disk circumference, and the disk is insulating materials；The commutator is co-axially located on the outside of disk, and the solenoid includes three coil groups, and each coil group includes at least two absolute coils, each coil group be equipped with can be connect with commutator into the end of a thread and terminal.The present invention shortens magnetic circuit, prevents leakage field, mitigates weight of equipment, while the loss that reduces that the motor feels hot, and raising efficiency reduces brush quantity, simple in structure, coiling the end of a thread arranging rule, concise in technology.
Description
Technical field
The invention belongs to a kind of technical field of motors more particularly to a kind of four-pole permanent magnet brush hollow cup motor rotor knot
Structure.
Background technology
Current permanent magnet brush hollow-cup motor is mostly the two poles of the earth structure (i.e. magnet steel is a pair), and (i.e. magnet steel is quadrupole
Two pairs) or more pole motor than the power density of bipolar machine be specific greatly；Meanwhile receiving brush hollow-cup motor structure shadow
It rings, bipolar machine magnetic circuit is long, causes on the outside of casing leakage field phenomenon than more prominent, and existing solution is to use thicker casing
Leakage field is prevented, therefore motor weight increases, this is contradictory with motor lightweight；Under some particular requirements, permanent magnet brush is empty
Heart cup also has using quaternary structure, but uses four brush forms, this requires the consistency of each winding coil in motor very
Height, otherwise " the internal circulation " between each winding cause heating loss serious, electric efficiency is low；And the quantity of brush is excessive, knot
Structure is complicated.Also a pair of of brush, but the end of a thread of this type rotor coil can be used in the case of having level Four brush to use fractional-slot winding
It is interspersed, the very cumbersome, complex process when each the end of a thread is welded with corresponding commutator segment.
Invention content
In order to solve one or more drawbacks described above in the prior art, technical problem to be solved by the invention is to provide
A kind of four-pole permanent magnet has brush hollow cup motor rotor structure, shortens magnetic circuit, prevents leakage field, mitigates weight of equipment, while reducing electricity
Machine heating loss, raising efficiency reduce brush quantity, simple in structure, coiling the end of a thread arranging rule, concise in technology.
To achieve the above object, the present invention provides a kind of four-pole permanent magnets brush hollow cup motor rotor structure, and quadrupole is forever
Magnetic has the brush hollow cup motor rotor to include：Solenoid, disk, commutator, arbor；The center of the arbor and disk, which is fixed, to be connected
It connects, described solenoid one end is fixed in disk circumference, and the disk is insulating materials；The commutator is co-axially located at circle
On the outside of disk, the solenoid includes three coil groups, and each coil group includes at least two absolute coils, and each coil group is equal
Equipped with can be connect with commutator into the end of a thread and terminal.
When using this programme, arbor is connect with disk, and solenoid, solenoid is fixedly mounted on the outside circumference of disk
Rotating excitation field can be generated after always having coiling energization, and then permanent magnet or electromagnet on arbor is driven to move so that arbor turns
It is dynamic, and then realize the function of motor.Commutator is co-axially located on the outside of disk, can ensure switching circuit sense of current
Motor operates, and commutator it is coaxial with arbor so that equipment rotate it is more stable.Solenoid includes three coil groups,
Each coil group includes at least two absolute coils, each coil group be equipped with can be connect with commutator into the end of a thread and outlet
Head.There is the rotor coil of brush hollow-cup motor to be divided into three groups (i.e. three-phases), each group of coil, which only has, passes in and out two the end of a thread, three
For coil group to coordinate the different windings of the motor under three-phase four-wire system, total is simply clear, and coiling arrangement is simple, without multiple
Miscellaneous to be interspersed, coil convenient welding is simple for process.
Further, commutator includes 6 commutator segments that circumferentially shape etc. point is arranged, commutation of any two with respect to 180 °
Piece is communicated by circuit connection.The making of commutator is simplified, while more shorter than the magnetic circuit of common secondary motor structure, power
Density bigger, electric efficiency higher, and also leakage field is less.
Further, solenoid is by enameled wire around shape is fabricated to, and the solenoid includes three coil groups, wherein often
A coil group includes two absolute coils, and circumferentially shape is evenly spaced on tubular circumference each absolute coil, and each adjacent two is only
The corresponding central angle of spacing of vertical coil is 60 °, two end bay elongation degree of each absolute coil is 90 °；It is arranged multiple pairs of
Absolute coil, power density bigger, electric efficiency higher.
Further, when each coil group includes two absolute coils, being mounted on solenoid in each coil group
Two absolute coils be in mirror symmetry, and direction of winding is identical, and winding structure is simple.
Further, when each coil group includes four absolute coils, circumferentially shape is evenly spaced in each absolute coil
On tubular circumference, the corresponding central angle of spacing of each adjacent two absolute coil is 30 °, two end bay of each absolute coil away from
Angle is 90 °.
Further, when each coil group includes four absolute coils, solenoid is mounted in each coil group
On the corresponding central angle of four absolute coil distances be 90 °, and per two adjacent independences in this four absolute coils
Coil-winding direction is opposite.
Further, into the end of a thread and terminal and commutator using star connection, connection is：Each terminal is mutually mutual
Even, and each it is connect into one of in the end of a thread respectively commutator segment facing each other with any two.
Further, described that delta connection also can be used with commutator into the end of a thread and terminal.
Further, further include two brushes coordinated with commutator, the brush is mutually perpendicular to, and reduces brush quantity.
The present invention at least has the advantages that：In the present solution, there is the rotor coil of brush hollow-cup motor to be divided into
Three groups (i.e. three-phases), each group of coil only pass in and out two the end of a thread, the commutator for the use of commutator segment being 6, per 180 ° of spacing
Two commutator segments are connected, and are rationally arranged by each group coil, each group coil are passed in and out the end of a thread and the connection of commutator segment (is welded
Connect), to form a new brush motor rotor structure, reach the motor operating condition of similar brushless motor three-phase six-beat,
The quadrupole of the structure has brush hollow-cup motor, not only simplifies the making of commutator and carbon brush quantity, more important is same volumes
In the case of, there is the power density, higher operational efficiency and lower casing leakage field for having brush hollow-cup motor bigger than the two poles of the earth.
Description of the drawings
Fig. 1, which is a kind of four-pole permanent magnet of the present invention, brush hollow cup motor rotor constructive embodiment structural schematic diagram；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the vertical view of Fig. 1；
Fig. 4 is the structural schematic diagram of commutator in Fig. 1；
Fig. 5 is the solenoid structural schematic diagram of Fig. 1；
Fig. 6 is the coil group structural schematic diagram of embodiment 1；
Fig. 7 is the coil group structural schematic diagram of embodiment 2；
Fig. 8 is the absolute coil arrangement schematic diagram of embodiment 1；
Fig. 9 is the absolute coil arrangement schematic diagram of embodiment 2；
Figure 10 is the structural schematic diagram of 1 brush of embodiment；
Figure 11 is the star connection schematic diagram of the present invention；
Figure 12 is the delta connection schematic diagram of the present invention.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples：
Reference numeral includes：Solenoid 1, disk 2, commutator 3, arbor 4, coil lead 41, P1 commutator segments 5, P2 are changed
To piece 6, P3 commutator segments 7, P4 commutator segments 8, P5 commutator segments 9, P6 commutator segments 10, solder joint 11, P3 10 connecting line 12 of P6 commutator segments,
P2 9 connecting line 13 of P5 commutator segments, P1 8 connecting line 14 of P4 commutator segments, A coil groups 15, B coil groups 16, C coil groups 17, A1 lines
Circle 18, B1 coils 19, C1 coils 20, A2 coils 21, B2 coils 22, C2 coils 23, A3 coils 30, B3 coils 31, C3 coils 32,
A4 coils 33, B4 coils 34, C4 coils 35, brush 52.
Embodiment 1
Shown in Fig. 1-6 and Fig. 8 and Figure 10-11：
A kind of four-pole permanent magnet has brush hollow cup motor rotor structure, including solenoid 1, disk 2, commutator 3, arbor 4；
The arbor 4 is fixedly connected with the center of disk 2, and described solenoid one end is fixed on 2 circumference of disk, and the disk 2 is
Insulating materials；The commutator 3 is co-axially located at 2 outside of disk, and the solenoid 1 includes three coil groups, is A lines respectively
Circle group 15, B coil groups 16, C coil groups 17；Each coil group be equipped with can connect with commutator 3 into the end of a thread and terminal, divide
Be not A groups into and out of the end of a thread Ain, Aout, B groups into and out of the end of a thread Bin, Bout, C groups are into and out of the end of a thread Cin, Cout；It is wherein each
Coil group includes two absolute coils, i.e. A1, A2, B1, B2, C1, C2 totally 6 absolute coils.Circumferentially shape is equal for each absolute coil
Even to be arranged on tubular circumference, the corresponding central angle of spacing of each adjacent two absolute coil is 60 °, each absolute coil its two
A end bay elongation degree is 90 °, and two absolute coils being mounted on solenoid in each coil group are in mirror symmetry, and around
Line direction is identical.Commutator 3 includes 6 commutator segments that circumferentially shape etc. point is arranged, and commutator segment of any two with respect to 180 ° is logical
Oversampling circuit connection communicates, and is P1 commutator segments 5, P2 commutator segments 6, P3 commutator segments 7, P1 commutator segments 5, P5 commutator segments 9, P6 commutations respectively
Piece 10；Wherein 8 face unicom of P1 commutator segments 5 and P4 commutator segments, 9 face unicom of P2 commutator segments 6 and P5 commutator segments, P3 commutator segments 7
With 10 face unicom of P6 commutator segments.Also set up two coordinates brush 52, brush 52 to be mutually perpendicular to commutator 3.
Each coil group uses star connection into the end of a thread and terminal with commutator 3, specifically：Aout, Bout, Cout tri-
The connection of a the end of a thread, Ain connect with the P1 commutator segments 5 of commutator 3 or P4 commutator segments 8, the P2 commutator segments 6 or P5 of Bin and commutator 3
The P3 commutator segments 7 or P6 commutator segments 10 of the connection of commutator segment 9, Cin and commutator 3 connect.
Specific work process：Arbor 4 is connect with disk 2, and solenoid 1, tubular are fixedly mounted on the outside circumference of disk 2
Coil 1 can generate rotating excitation field after always having coiling energization, and then drive permanent magnet or electromagnet on arbor 4 to move and make machine
Axis 4 rotates, and then realizes the function of motor.Commutator 3 includes 6 commutator segments that circumferentially shape etc. point is arranged, any two
Opposite 180 ° of commutator segment is communicated by circuit connection.The making of commutator 3 is simplified, while than common secondary motor structure
Magnetic circuit it is shorter, power density bigger, electric efficiency higher, and leakage field is less.Multiple pairs of absolute coils, power are set
Density bigger, electric efficiency higher.Two absolute coils being mounted on solenoid in each coil group are in mirror symmetry,
And direction of winding is identical, winding structure is simple.The quantity of brush is few, simple in structure.The rotor coil for having brush hollow-cup motor
It is divided into three groups (i.e. three-phases), each group of coil only passes in and out two the end of a thread, the commutator 3 for the use of commutator segment being 6, per spacing
180 ° of two commutator segments are connected, and are rationally arranged by each group coil, each group coil are passed in and out the connection of the end of a thread and commutator segment
(weld), to form a new brush motor rotor structure, not only simplify commutator 3 making and carbon brush quantity,
In the case of same volume, have has the power density of brush hollow-cup motor bigger, higher operational efficiency than the two poles of the earth
With lower casing leakage field.
Embodiment 2
Shown in Fig. 1-5 and Fig. 7, Fig. 9, Figure 10, Figure 12
Embodiment 2 and embodiment 1 difference lies in：Each coil group includes four absolute coils, i.e. A1, A2, A3, A4,
B1, B2, B3, B4, totally 12 absolute coils, each absolute coil are evenly spaced on tubular circumference by C1, C2, C3, C4, and each only
Two end bay elongation degree of vertical coil is 90 °, and the spacing of each adjacent two absolute coil is circumferentially 30 °, and affiliated each
The adjacent independent coil-winding direction of group coil group is on the contrary, in such as A coil groups 15,18 coiling clockwise of A1 coils, A2 lines
Enclose 21 counter-clockwise coilings, 30 coiling clockwise of A3 coils, the 33 counter-clockwise coiling of A4 coils.The present embodiment uses delta connection,
Specifically, the end of a thread Aout and Bin connect jointly with the P1 commutator segments 5 of commutator 3 or P4 commutator segments 8, Bout and Cin jointly with
The P2 commutator segments 6 of commutator 3 either P5 commutator segments 9 connection, the end of a thread Cout and Ain jointly with the P3 commutator segments 7 of commutator 3 or
P6 commutator segments 10 connect.The magnetic circuit of this mode is shorter, and leakage field is less, and is driven and more stablizes, and the output power of motor is more steady
It is fixed.Commutator segment is few, and when welding is very simple, simple for process.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (9)
1. a kind of four-pole permanent magnet has brush hollow cup motor rotor structure, which is characterized in that the four-pole permanent magnet has brush drag cup electric
Machine rotor includes：Solenoid, disk, commutator, arbor；The arbor is fixedly connected with the center of disk, the tubular line
Circle one end is fixed in disk circumference, and the disk is insulating materials；The commutator is co-axially located on the outside of disk, the cylinder
Shape coil includes three coil groups, and each coil group includes at least two absolute coils, and each coil group is equipped with can be with commutation
Device connection into the end of a thread and terminal.
2. a kind of four-pole permanent magnet as described in claim 1 has brush hollow cup motor rotor structure, it is characterised in that：Commutator packet
6 commutator segments that circumferentially shape etc. point is arranged are included, commutator segment of any two with respect to 180 ° is communicated by circuit connection.
3. a kind of four-pole permanent magnet as described in claim 1 has brush hollow cup motor rotor structure, it is characterised in that：The tubular
Coil is by enameled wire around shape is fabricated to, and the solenoid includes three coil groups, wherein each coil group includes two independences
Coil, circumferentially shape is evenly spaced on tubular circumference each absolute coil, the corresponding circle of spacing of each adjacent two absolute coil
Heart angle is 60 °, two end bay elongation degree of each absolute coil is 90 °.
4. a kind of four-pole permanent magnet as claimed in claim 3 has brush hollow cup motor rotor structure, it is characterised in that：Each coil
Two absolute coils being mounted on solenoid in group are in mirror symmetry, and direction of winding is identical.
5. a kind of four-pole permanent magnet has brush hollow cup motor rotor structure as described in claim 1, it is characterised in that：The cylinder
Shape coil includes three coil groups around shape, the solenoid is fabricated to by enameled wire, wherein each coil group includes four only
Vertical coil, circumferentially shape is evenly spaced on tubular circumference each absolute coil, and the spacing of each adjacent two absolute coil is corresponding
Central angle is 30 °, two end bay elongation degree of each absolute coil is 90 °.
6. a kind of four-pole permanent magnet has brush hollow cup motor rotor structure as described in claim 6, it is characterised in that：It is described every
The corresponding central angle of four absolute coil distances being mounted on solenoid in a coil group is 90 °, and this four
It is opposite per two adjacent absolute coil direction of windings in absolute coil.
7. a kind of four-pole permanent magnet as described in any one of claim 3-6 has brush hollow cup motor rotor structure, feature
It is, it is described to use the star connection, connection to be into the end of a thread and terminal and commutator：Each terminal is mutually connected, and every
It is a to be connect into one of in the end of a thread respectively commutator segment facing each other with any two.
8. a kind of four-pole permanent magnet as described in any one of claim 3-6 has brush hollow cup motor rotor structure, feature
It is, it is described that delta connection also can be used with commutator into the end of a thread and terminal.
9. a kind of four-pole permanent magnet has brush hollow cup motor rotor structure as described in claim 1, it is characterised in that：Further include
With two brushes of commutator cooperation, the brush is mutually perpendicular to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810700360.0A CN108718139A (en) | 2018-06-29 | 2018-06-29 | A kind of four-pole permanent magnet has brush hollow cup motor rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810700360.0A CN108718139A (en) | 2018-06-29 | 2018-06-29 | A kind of four-pole permanent magnet has brush hollow cup motor rotor structure |
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| Publication Number | Publication Date |
|---|---|
| CN108718139A true CN108718139A (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810700360.0A Pending CN108718139A (en) | 2018-06-29 | 2018-06-29 | A kind of four-pole permanent magnet has brush hollow cup motor rotor structure |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5728560A (en) * | 1980-07-29 | 1982-02-16 | Entatsuku Kk | Motor |
| CN202679095U (en) * | 2012-04-05 | 2013-01-16 | 周口市超越科技电子有限公司 | Hollow cup motor rotor |
| CN203645506U (en) * | 2013-06-28 | 2014-06-11 | 常州市昊升电机有限公司 | Coreless permanent-magnet DC motor |
| CN206117343U (en) * | 2016-09-30 | 2017-04-19 | 东莞市朗亿机电科技有限公司 | Drag cup has rotor of brush motor |
| CN108092434A (en) * | 2017-11-21 | 2018-05-29 | 瞿广莉 | A kind of arrangement and its method for winding of motor solenoid |
-
2018
- 2018-06-29 CN CN201810700360.0A patent/CN108718139A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5728560A (en) * | 1980-07-29 | 1982-02-16 | Entatsuku Kk | Motor |
| CN202679095U (en) * | 2012-04-05 | 2013-01-16 | 周口市超越科技电子有限公司 | Hollow cup motor rotor |
| CN203645506U (en) * | 2013-06-28 | 2014-06-11 | 常州市昊升电机有限公司 | Coreless permanent-magnet DC motor |
| CN206117343U (en) * | 2016-09-30 | 2017-04-19 | 东莞市朗亿机电科技有限公司 | Drag cup has rotor of brush motor |
| CN108092434A (en) * | 2017-11-21 | 2018-05-29 | 瞿广莉 | A kind of arrangement and its method for winding of motor solenoid |
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Application publication date: 20181030 |