CN109831079A - Common outer rotor intersects cascade double motor group - Google Patents
Common outer rotor intersects cascade double motor group Download PDFInfo
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- CN109831079A CN109831079A CN201711209833.9A CN201711209833A CN109831079A CN 109831079 A CN109831079 A CN 109831079A CN 201711209833 A CN201711209833 A CN 201711209833A CN 109831079 A CN109831079 A CN 109831079A
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- central axis
- internal rotor
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Abstract
The present invention relates to a kind of common outer rotors to intersect cascade double motor group, including the first internal rotor and the second internal rotor, first internal rotor is outer to be equipped with the first outer rotor that mutual electromagnetic incudes between first internal rotor and the second outer rotor that mutual electromagnetic incudes between second internal rotor with being also each arranged respectively outside second internal rotor, and first outer rotor and the second outer rotor are interconnected to form common outer rotor by common outer rotor case end cap.Common outer rotor of the invention intersects the superposition that speed or torque may be implemented in cascade double motor group, and starting current can be avoided excessive by the way that one of motor realization is respectively started.
Description
Technical field
The present invention relates to technical field of motors, intersect more specifically to a kind of common outer rotor cascade double electronic
Unit.
Background technique
The existing generally existing following defects of ordinary motor: first is that revolving speed decline when rotor output big torque, when revolving speed is high
Then the problem of torque drop；Second is that heavy-duty motor starting when, ordinary motor because of 5-8 times that starting current is volume streaming current,
Low rate start power supply is needed thusEquipmentAnd reactive power compensatorDeng, thus to cost is greatly improved.
Summary of the invention
The purpose of the present invention is to provide a kind of common outer rotors to intersect cascade double motor group, solves the prior art
The problem of defect present in middle motor.
The technical proposal for solving the technical problem of the invention is: a kind of cascade double motor of common outer rotor intersection
Group, including the first internal rotor and the second internal rotor, first internal rotor is outer and second internal rotor also each covers respectively outside
If being equipped with the first outer rotor and the phase between second internal rotor that mutual electromagnetic incudes between first internal rotor
Second outer rotor of mutual electromagnetic induction, first outer rotor and the second outer rotor are mutually interconnected by common outer rotor case end cap
It connects to form common outer rotor.
In double motor group of the invention, the Bi-motor set further includes the first central axis and the second central axis, described
First internal rotor and the second internal rotor, which respectively correspond, is set in first central axis periphery and second central axis periphery, institute
It states the first central axis and is set side by side with the second central axis along axis, set respectively on first internal rotor and second internal rotor
It is equipped with conductive coil, the double motor group further includes the conductive coil of respectively described first internal rotor and is in described second
An at least power supply for the conductive coil power supply of rotor.
In double motor group of the invention, first outer rotor and second outer rotor are respectively facing corresponding
Silicon steel sheet or alnico magnets are respectively installed on the side side wall of first internal rotor and second internal rotor.
In double motor group of the invention, first central axis and second central axis pass through described first respectively
Flange and the second flange location and installation；First internal rotor and second internal rotor are respectively with corresponding described first
Central axis and the second central axis are fixedly connected.
In double motor group of the invention, the first outer rotor rotation is set in outside first internal rotor, described
Second outer rotor rotates under first outer rotor drive.
In double motor group of the invention, first central axis is fixedly connected in the first flange and limits institute
The rotation of the first internal rotor is stated, second central axis rotation is connected to be turned in the second flange and with second internal rotor
It moves and rotates.
In double motor group of the invention, it is arranged on second central axis and collector ring is installed.
In double motor group of the invention, first central axis be fixedly connected in the corresponding first flange and
Limit first internal rotor rotation, second central axis is fixedly connected in the corresponding second flange and described in limiting
The rotation of second internal rotor, first outer rotor and second outer rotor are rotatably connected on corresponding first central axis respectively
On the second central axis.
In double motor group of the invention, be also connected on second outer rotor with second outer rotor rotation and
The first gear circle of rotation, the first gear snare are located at second central axis periphery, the outside of the first gear circle
The second gear circle for rotating and rotating with the first gear circle is also meshed with, is also arranged in the second gear circle with described
The output shaft of the rotation of second gear circle and rotation.
In double motor group of the invention, first central axis is connected with second central axis, and described first
Outer rotor is fixed by the bracket with second outer rotor, the inner wall of the inner wall of first outer rotor and second outer rotor
On be respectively arranged with conductive coil, first internal rotor and second internal rotor be respectively one-way communication induction conductivity,
Three-phase alternating-current induction motor or dc motor, the double motor group further include the conduction of respectively described first outer rotor
An at least power supply for coil and the conductive coil power supply for second outer rotor.
Implement common outer rotor of the invention and intersect cascade double motor group, has the advantages that of the invention
Common outer rotor intersects the superposition that speed or torque may be implemented in cascade double motor group, and can be by being respectively started wherein
One motor realization avoids starting current excessive.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the first embodiment that common outer rotor of the invention intersects cascade double motor group；
Fig. 2 is the structural schematic diagram for the second embodiment that common outer rotor of the invention intersects cascade double motor group；
Fig. 3 is the structural schematic diagram for the 3rd embodiment that common outer rotor of the invention intersects cascade double motor group.
Specific embodiment
With reference to the accompanying drawings and examples, to common outer rotor of the invention intersect cascade double motor group structure and
Its action principle is described further:
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The instruction such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
Common outer rotor of the invention intersects the superposition that speed or torque may be implemented in cascade double motor group, and can be with
Avoid starting current excessive by the way that one of motor realization is respectively started.
As shown in Figure 1-3, it includes the first central axis 1, the second central axis 2 that common outer rotor, which intersects cascade double motor group,
And the first internal rotor 3 for being set in 1 periphery of the first central axis and the second internal rotor 4 for being set in 2 periphery of the second central axis,
First central axis 1 is set side by side with the second central axis 2 along axis, and the first internal rotor 3 is outer and the second internal rotor 4 is also each distinguished outside
It is arranged the first outer rotor 5 and the mutual electricity between the second internal rotor 4 for being equipped with that mutual electromagnetic incudes between the first internal rotor 3
Second outer rotor 6 of magnetic induction, the first outer rotor 5 and the second outer rotor 6 pass throughCommon outer rotor case end cap7 are connected with each other shape
At common outer rotor.
Embodiment 1:
As shown in Figure 1, in the present embodiment, being respectively arranged with conductive coil on the first internal rotor 3 and the second internal rotor 4
(not indicating in figure), double motor group further include the respectively conductive coil of the first internal rotor 3 and the conduction for the second internal rotor 4
An at least power supply 8 for coil power supply.In the present embodiment, the quantity of power supply 8 is two, which is respectively in first
The power supply of the conductive coil of the conductive coil of rotor 3 and the second internal rotor 4；In other embodiments, can also with only one power supply, but
Control switch supplies electricity to the conductive coil of the first internal rotor 3 and the conductive coil of the second internal rotor 4 respectively.It can supply respectively in this way
The conductive coil of the first internal rotor 3 and the conductive coil of the second internal rotor 4 are supplied electricity to, power supply is avoided while supply leads to starting current
It is excessive.
First outer rotor 5 and the second outer rotor 6 are respectively facing the one of corresponding the first internal rotor 3 and the second internal rotor 4
Silicon steel sheet or alnico magnets (not indicating in figure) are respectively installed on the side wall of side.In this way, outer rotor can be with internal rotor
Electromagnetic induction field is formed between conductive coil.
First central axis 1 and the second central axis 2 pass through 10 location and installation of first flange 9 and second flange respectively.In first
Rotor 3 and the second internal rotor 4 are connected with corresponding first central axis 1 and the second central axis 2 respectively.
In the present embodiment, the first central axis 1 and the second respectively work operation of central axis 2.First central axis 1 is fixed to be connected
Connect in first flange 9 and limit the rotation of the first internal rotor 3, the second central axis 2 is rotatably connected in second flange 10 and with the
The rotation of two internal rotors 4 and rotate.That is, the first central axis 1 be it is motionless, the second central axis 2 can rotate.
The rotation of first outer rotor 5 is set in outside the first internal rotor 3, and the second outer rotor 6 is under the drive of the first outer rotor 5
Rotation.That is it links between the first outer rotor 5 and the second outer rotor 6.
In the present embodiment, the second central axis 2 is output shaft, and the common outer rotor of the present embodiment intersects cascade double electricity
Motivation group can be superimposed output revolving speed, and torque is exported from the second central axis 2 as output shaft.Therefore on the second central axis 2
It is also arranged and collector ring 11 is installed.
The working principle of the double motor group of the present embodiment: after powering for the conductive coil of the first internal rotor 3, in first
Electromagnetic induction field is formed between rotor 3 and the first outer rotor 5, the first internal rotor 3 is motionless due to the limitation of the first central axis 1,
First outer rotor 5 rotates, speed V1, due to passing through between the first outer rotor 5 and the second outer rotor 6Common outer rotor Housing end plug7 are connected with each other, therefore the second outer rotor 6 can also rotate synchronously.At this point, being again the conduction of the second internal rotor 4
Coil power supply, then the second internal rotor 4 rotates, speed V2, while also can between the second internal rotor 4 and the second outer rotor 6
Electromagnetic induction field is formed, therefore the stack velocity of the second internal rotor 4 is V1+V2, realizes the output of high rotational speed and torque.This implementation
It can also be realized by a power supply 8 simultaneously to the motor power transmission frequency modulation of the first outer rotor 5 and the second outer rotor 6 to output in example
The stepless speed regulation of torque.Or it is real to the motor power transmission of the first outer rotor 5 and the second outer rotor 6 respectively with two variable-frequency power sources
It is within the scope of the present invention now to the stepless speed regulation of output torque.
Embodiment 2:
Difference from Example 1 is: the first central axis 1 is fixedly connected in corresponding first flange 9 and limits
The rotation of one internal rotor 3, the second central axis 2 are similarly fixedly connected in corresponding second flange 10 and limit the second internal rotor 4
Rotation, the first outer rotor 5 and the second outer rotor 6 are rotatably connected on corresponding first central axis 1 and the second central axis 2 respectively
On.
In addition, the first gear circle 12 for rotating and rotating with the second outer rotor 6 is also connected on the second outer rotor 6, first
Gear ring 12 is set in 2 periphery of the second central axis, the outside of first gear circle 12 also meshed with the rotation of first gear circle 12 and
The second gear circle 13 of rotation is also arranged with the output shaft 14 for rotating and rotating with second gear circle 13 in second gear circle 13, Output torque.
The working principle of the double motor group of the present embodiment: after powering for the conductive coil of the first internal rotor 3, in first
Electromagnetic induction field is formed between rotor 3 and the first outer rotor 5, the first internal rotor 3 makes since the limitation of the first central axis 1 is motionless
It obtains the first outer rotor 5 to rotate, due to passing through between the first outer rotor 5 and the second outer rotor 6Common outer rotor case end cap7
It is connected with each other, the second outer rotor 7 is connected further through first gear circle 12 and second gear circle 13 with output shaft 14, therefore at this time
It can be M1 with output torque.When needing to increase torque, can power for the conductive coil of the second internal rotor 4, the second internal rotor 4
Electromagnetic induction field is formed between the second outer rotor 6, the second internal rotor 4 is since the limitation of the second central axis 2 is motionless, so that second
Outer rotor 6 rotates, and the torque that can be exported is M2, so that the torque on output shaft 14 is superposed to M1+M2, is formed
Bimoment output.In the conductive coil and second for needing high-torque that can also supply electricity to the first internal rotor 3 when starting occasion simultaneously
The conductive coil of internal rotor 4 directly acquires the big rotating torque of superposition.
It should be noted that first gear circle 12 and second gear circle 13 in the present embodiment can also by toothed belt,
V beltOrThe substitution such as chain, output torque.And the common outer rotor of the present embodiment intersects cascade double motor group
Electrodeless variable-speed can be realized by frequency converter adjustment speed, it is within the scope of the present invention.
Embodiment 3:
As shown in figure 3, the first central axis 1 is connected with second central axis 2, the two is preferably an integral molding structure,
The two is also possible to independent individual and is connected with each other by screw etc., i.e. one end end of the first central axis 1 and the second central axis 2
One end end be connected with each other.The first central axis 1 and the common one of the second central axis 2 being connected are as output shaft.
Wherein, the first outer rotor 5 and the second outer rotor 6 are fixed by bracket 15, in the inner wall and second of the first outer rotor 5
Conductive coil is respectively arranged on the inner wall of outer rotor 6, and the first internal rotor 3 and the second internal rotor 4 can be distinguishedIt canIt is unidirectional
Induction alternating current (AC) motor, three-phase alternating-current induction motor or dc motorDeng.And in the present embodiment, double motor group is same
At least power supply 8 powered including the conductive coil of the first outer rotor 5 respectively and for the conductive coil of the second outer rotor 6.At this
In embodiment, the quantity of power supply 8 is two, which is respectively the conductive coil and the second outer rotor of the first outer rotor 5
6 conductive coil power supply；In other embodiments, can also be with only one power supply 8, but control switch supplies electricity to turn outside first respectively
Sub 5 conductive coil and the conductive coil of the second outer rotor 6.It can supply electricity to the conductive coil of the first outer rotor 5 respectively in this way
With the conductive coil of the second outer rotor 6, avoids power supply 8 while supply causes starting current excessive.
The working principle of the double motor group of the present embodiment: after powering for the conductive coil of the first outer rotor 5, in first
Electromagnetic induction field, the rotation of the first internal rotor 3 are formed between rotor 3 and the first outer rotor 5；When for the conductor wire of the second outer rotor 6
After circle power supply, electromagnetic induction field, the second internal rotor 4 rotation, so that first are formed between the second internal rotor 4 and the second outer rotor 6
The output shaft that central axis 1 and the second central axis 2 are integrally formed obtains double output torque M1+M2.When using heavy-duty motor,
To avoid big inrush current, it can first power for the conductive coil of the first outer rotor 5, rotate the first internal rotor 3 first
Come, then powers again for the conductive coil of the second outer rotor 6, restart the second internal rotor 4, increase output torque.This implementation ExampleVariable speed torque output can be realized by variable frequency power source, it is within the scope of the present invention.
It should be understood that it will be understood by those skilled in the art that it can be modified or changed according to the above description, but this
Within a little improvement or transformation should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of common outer rotor intersects cascade double motor group, which is characterized in that including in the first internal rotor (3) and second
Rotor (4), first internal rotor (3) is also each arranged with second internal rotor (4) respectively outside outside to be equipped with and described
The first outer rotor (5) and the mutual electromagnetic sense between second internal rotor (4) that mutual electromagnetic incudes between one internal rotor (3)
The second outer rotor (6) answered, first outer rotor (5) and the second outer rotor (6) pass through common outer rotor case end cap (7) phase
It connects to form common outer rotor.
2. double motor group according to claim 1, which is characterized in that the Bi-motor set further includes the first central axis
(1) it respectively corresponds with the second central axis (2), first internal rotor (3) and the second internal rotor (4) and is set in first center
Axis (1) periphery and second central axis (2) periphery, first central axis (1) set with the second central axis (2) along axis side by side
It sets, conductive coil is respectively arranged on first internal rotor (3) and second internal rotor (4), the double motor group is also
Including being respectively the conductive coil of first internal rotor (3) and powering extremely for the conductive coil of second internal rotor (4)
Few a power supply (8).
3. double motor group according to claim 2, which is characterized in that outside first outer rotor (5) and described second
Rotor (6), which is respectively facing on the side side wall of corresponding first internal rotor (3) and second internal rotor (4), respectively pacifies
Equipped with silicon steel sheet or alnico magnets.
4. double motor group according to claim 3, which is characterized in that in first central axis (1) and described second
Mandrel (2) passes through the first flange (9) and the second flange (10) location and installation respectively；First internal rotor (3) and
Second internal rotor (4) is fixedly connected with corresponding first central axis (1) and the second central axis (2) respectively.
5. double motor group according to claim 4, which is characterized in that the first outer rotor (5) rotation is set in institute
State the first internal rotor (3) outside, second outer rotor (6) rotates in the case where first outer rotor (5) drives.
6. double motor group according to claim 5, which is characterized in that first central axis (1) is fixedly connected on institute
State on first flange (9) and limit first internal rotor (3) rotation, second central axis (2) is rotatably connected on described the
It is rotated on two flanges (10) and with the rotation of second internal rotor (4).
7. double motor group according to claim 6, which is characterized in that be arranged installation on second central axis (2)
There are collector ring (11).
8. double motor group according to claim 4, which is characterized in that first central axis (1) is fixedly connected on pair
In the first flange (9) answered and limitation the first internal rotor (3) rotation, second central axis (2) are fixedly connected on
On the corresponding second flange (10) and limitation second internal rotor (4) rotation, first outer rotor (5) and described the
Two outer rotors (6) are rotatably connected on respectively on corresponding first central axis (1) and the second central axis (2).
9. double motor group according to claim 8, which is characterized in that be also connected on second outer rotor (6) with
The first gear circle (12) of second outer rotor (6) rotation and rotation, the first gear circle (12) are set in described second
Central axis (13) periphery has also meshed on the outside of the first gear circle (12) and has rotated and rotate with the first gear circle (12)
Second gear circle (13), be also arranged in the second gear circle (13) and rotate with the second gear circle (13) and rotate
Output shaft (14).
10. double motor group according to claim 1, which is characterized in that in first central axis (1) and described second
Mandrel (2) is connected, and first outer rotor (5) and second outer rotor (6) are fixed by bracket (15), outside described first
Conductive coil, first internal rotor (3) are respectively arranged on the inner wall of rotor (5) and the inner wall of second outer rotor (6)
It is respectively one-way communication induction conductivity, three-phase alternating-current induction motor or dc motor, institute with second internal rotor (4)
State the conductive coil and leading for the second outer rotor (6) that double motor group further includes respectively described first outer rotor (5)
An at least power supply (8) for electric coil power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711209833.9A CN109831079A (en) | 2017-11-23 | 2017-11-23 | Common outer rotor intersects cascade double motor group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711209833.9A CN109831079A (en) | 2017-11-23 | 2017-11-23 | Common outer rotor intersects cascade double motor group |
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| Publication Number | Publication Date |
|---|---|
| CN109831079A true CN109831079A (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711209833.9A Pending CN109831079A (en) | 2017-11-23 | 2017-11-23 | Common outer rotor intersects cascade double motor group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431364A (en) * | 2020-04-24 | 2020-07-17 | 深圳九九无线电子科技有限公司 | Modular multi-rotor brushless motor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207638524U (en) * | 2017-07-26 | 2018-07-20 | 深圳市中南科学院有限公司 | Common outer rotor intersects cascade double motor group |
-
2017
- 2017-11-23 CN CN201711209833.9A patent/CN109831079A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207638524U (en) * | 2017-07-26 | 2018-07-20 | 深圳市中南科学院有限公司 | Common outer rotor intersects cascade double motor group |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431364A (en) * | 2020-04-24 | 2020-07-17 | 深圳九九无线电子科技有限公司 | Modular multi-rotor brushless motor |
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Application publication date: 20190531 |