CN103219841B - Birotor electromotor - Google Patents
Birotor electromotor Download PDFInfo
- Publication number
- CN103219841B CN103219841B CN201310140771.6A CN201310140771A CN103219841B CN 103219841 B CN103219841 B CN 103219841B CN 201310140771 A CN201310140771 A CN 201310140771A CN 103219841 B CN103219841 B CN 103219841B
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- Prior art keywords
- rotor
- connecting rod
- rotating shaft
- external rotor
- internal rotor
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Abstract
The invention relates to the field of electromotors, in particular to a birotor electromotor. The birotor electromotor comprises an outer rotor, an inner rotor, a rotary shaft and a connecting rod, wherein the rotating direction of the outer rotor is opposite to the rotating direction of the inner rotor. The inner rotor is in rotatable connection with the rotary shaft. The outer rotor is arranged outside the inner rotor, and is connected with the rotary shaft through the connecting rod. The inner rotor, the outer rotor and the rotary shaft are all coaxial. Compared with an electromotor with an identical dimension, the birotor electromotor is large in output torque and large in output power.
Description
Technical field
The present invention relates to electric motors, particularly relate to a kind of spinner motor.
Background technology
Current motor comprises stators and rotators, and for motor provides electric energy, rotor rotarily drives rotating shaft Driving Torque, thus realizes the power stage of motor.
For the motor of single stator single rotor that size is fixed, rotor is embedded in stator, the diameter of the rotor be connected with rotating shaft is less, computing formula according to moment of inertia: moment of inertia=quality × radius square, namely the diameter of rotor is little, and the moment of inertia of rotor is little, thus the Driving Torque of the rotating shaft be connected with rotor is little, because the Driving Torque of motor is directly proportional to the power output of motor, therefore the power output of motor is little.
Summary of the invention
The object of the present invention is to provide a kind of spinner motor, to solve the problem.
In order to achieve the above object, technical scheme of the present invention is achieved in that
A kind of spinner motor, is characterized in that, comprise external rotor and internal rotor, rotating shaft and the connecting rod of direction of rotation; Described internal rotor and described rotating shaft are rotationally connected; Described external rotor is arranged on outside described internal rotor, and is connected with described rotating shaft by connecting rod; Described internal rotor, external rotor all with described rotating shaft coaxle.
Compared with prior art, the advantage of the embodiment of the present invention is: the stator in traditional motor is as the term suggests be exactly fixed, and in the present invention, traditional stator also can be rotated, become external rotor, traditional rotor then becomes internal rotor, and make the direction of rotation of this external rotor and internal rotor, because external rotor is connected with described rotating shaft by connecting rod, the diameter of external rotor is greater than the direct of the rotor of conventional motors, thus make the moment of inertia of rotating shaft be greater than the moment of inertia of the rotating shaft of the motor of existing same size, thus improve the Driving Torque of motor, and then improve the power output of motor.
Accompanying drawing explanation
The schematic diagram of the spinner motor that Fig. 1 provides for the embodiment of the present invention.
Embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Be illustrated in figure 1 a kind of spinner motor of the embodiment of the present invention, it comprises external rotor 108 and internal rotor 109, rotating shaft 101 and the connecting rod of direction of rotation; Described internal rotor 109 is rotationally connected with described rotating shaft 101; Described external rotor 108 is arranged on outside described internal rotor 109, and is connected with described rotating shaft 101 by connecting rod; Described internal rotor 109, external rotor 108 are all coaxial with described rotating shaft 101.
Stator in traditional motor is as the term suggests be exactly fixed, and in embodiments of the present invention, traditional stator also can be rotated, become external rotor 108, traditional rotor then becomes internal rotor 109, and make the direction of rotation of this external rotor 108 and internal rotor 109, because external rotor 108 is connected with described rotating shaft 101 by connecting rod, the diameter of external rotor 108 is greater than the direct of the rotor of conventional motors, thus make the moment of inertia of rotating shaft 101 be greater than the moment of inertia of the rotating shaft of existing motor, thus improve the Driving Torque of motor, and then improve the power output of motor.
Further, this spinner motor also comprises housing 107; Described external rotor 108, internal rotor 109 and described rotating shaft 101 are positioned at described housing 107 and at least one end of described rotating shaft 101 is positioned at outside described housing 107.Wherein, one end of rotating shaft 101 can extend to the outer Driving Torque of housing.Certainly, the two ends of rotating shaft 101 all can extend to outside housing, make the equal Driving Torque in the two ends of spinner motor.
In order to make rotating shaft 101 in rotation process, keep rotation centerline and external rotor and internal rotor coaxial all the time, described rotating shaft 101 is provided with first shaft shoulder 102 and second shaft shoulder 115; Clutch shaft bearing 104 is provided with between described first shaft shoulder 102 and described external rotor 108; The second bearing 114 is provided with between described second shaft shoulder 115 and described housing 107; Described internal rotor 109 is nested between first shaft shoulder 102 of described rotating shaft 101 and second shaft shoulder 115.
Described external rotor 108 is connected with described rotating shaft 101 by connecting rod, and particularly, described connecting rod comprises first connecting rod 103 and second connecting rod 105; One end of described first connecting rod 103 is connected with described rotating shaft 101 is vertical, and the other end is connected with described second connecting rod 105 is vertical; One end of described second connecting rod 105 is connected with an end face of described external rotor 108, and is provided with the 3rd bearing 106 between described second connecting rod 105 and described housing 107.Namely, when external rotor rotates, rotated by connecting rod driven rotary axle.The angular speed of external rotor is identical with the angular speed of rotating shaft.In addition, described first connection 103 and described second connecting rod 105 can be inherited and be integrated.
Further, this spinner motor also comprises support bar 110; The central axis of described support bar 110 and the rotation axis parallel of described external rotor 108; One end of described support bar 110 is connected with described housing 107, and the other end is positioned at another end face of described external rotor.If due to external rotor unbalance stress when rotated, the rotation centerline of external rotor may offset, and external rotor can rock, and in order to alleviate the degree that external rotor rocks, one end of this support bar supports external rotor, alleviates external rotor rocking axially.
Preferably, the two ends of described internal rotor are provided with air gap; Air gap is provided with between described internal rotor and described external rotor.
In addition, described external rotor 108 is made up of permanent magnetic material; Described internal rotor 109 comprises iron core and the coil around described iron core.This spinner motor also comprises the carbon brush 113 be electrically connected with the coil of described internal rotor; Described carbon brush 113 is the one in electrographite, leaching fat graphite, metallic graphite carbon.
This spinner motor also comprises spring 112; One end of described spring 112 is connected with described housing 107, and the other end is connected with described carbon brush 113.Described spring 112 is in compressive state, and carbon brush 113 is electrically connected with internal rotor 109 all the time.
The external circuits that this spinner motor also comprises insulator 111 and is electrically connected with described carbon brush 113; Described insulator 111 is enclosed within outside described external circuits, and external circuits and housing 107 are insulated.Described insulator 111 prevents this spinner motor electric leakage after-current to be transmitted on housing 107.
After external circuits is communicated with power supply, electric current flows through the coil of internal rotor 109 by carbon brush 113, and coil produces induction field.The permanent magnetic field that the permanent magnetic material of this induction field and external rotor 108 produces is repelled mutually, makes internal rotor and the mutual reverse rotation of external rotor.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a spinner motor, is characterized in that, comprises external rotor, internal rotor, rotating shaft and connecting rod;
Described internal rotor and described rotating shaft are rotationally connected;
Described external rotor is arranged on outside described internal rotor, and is connected with described rotating shaft by connecting rod;
Described internal rotor, external rotor all with described rotating shaft coaxle;
Described internal rotor and described external rotor direction of rotation;
Also comprise housing;
Described external rotor, internal rotor and described rotating shaft are positioned at described housing and at least one end of described rotating shaft is positioned at outside described housing;
Described rotating shaft is provided with first shaft shoulder and second shaft shoulder;
Clutch shaft bearing is provided with between described first shaft shoulder and described external rotor;
The second bearing is provided with between described second shaft shoulder and described housing;
Described internal rotor is nested between first shaft shoulder of described rotating shaft and second shaft shoulder.
2. spinner motor as claimed in claim 1, it is characterized in that, described connecting rod comprises first connecting rod and second connecting rod;
One end of described first connecting rod is connected with described rotational axis vertical, and the other end is connected with described second connecting rod is vertical;
One end of described second connecting rod is connected with an end face of described external rotor, and is provided with the 3rd bearing between described second connecting rod and described housing.
3. spinner motor as claimed in claim 2, is characterized in that, also comprise support bar;
The central axis of described support bar and the rotation axis parallel of described external rotor; One end of described support bar is connected with described housing, and the other end is positioned at another end face of described external rotor.
4. spinner motor as claimed in claim 3, it is characterized in that, the two ends of described internal rotor are provided with air gap; Air gap is provided with between described internal rotor and described external rotor.
5. spinner motor as claimed in claim 4, it is characterized in that, described external rotor is made up of permanent magnetic material; Described internal rotor comprises iron core and the coil around described iron core.
6. spinner motor as claimed in claim 5, is characterized in that, also comprise the carbon brush be electrically connected with the coil of described internal rotor;
Described carbon brush is the one in electrographite, leaching fat graphite, metallic graphite carbon.
7. spinner motor as claimed in claim 6, is characterized in that, also comprise spring;
One end of described spring is connected with described housing, and the other end is connected with described carbon brush.
8. spinner motor as claimed in claim 7, is characterized in that, the external circuits also comprising insulator and be electrically connected with described carbon brush;
Described insulator is enclosed within outside described external circuits, and external circuits and housing are insulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310140771.6A CN103219841B (en) | 2013-04-22 | 2013-04-22 | Birotor electromotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310140771.6A CN103219841B (en) | 2013-04-22 | 2013-04-22 | Birotor electromotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103219841A CN103219841A (en) | 2013-07-24 |
| CN103219841B true CN103219841B (en) | 2015-07-22 |
Family
ID=48817410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310140771.6A Expired - Fee Related CN103219841B (en) | 2013-04-22 | 2013-04-22 | Birotor electromotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103219841B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1017510A (en) * | 1911-01-09 | 1912-02-13 | Floyd W Casterline | Electric motor. |
| CN2433769Y (en) * | 2000-07-21 | 2001-06-06 | 朱亚平 | Electric vehicle electromagnetic automatic differential driving electric machine device |
| DE20303611U1 (en) * | 2003-03-07 | 2004-05-27 | Ripperger, Lucian, Dipl.-Ing. | Electric motor has rotor and stator that are coupled with each other for generating opposed rotation movement |
| CN1801582A (en) * | 2004-10-27 | 2006-07-12 | 欧洲直升机公司 | A two-outlet electromechanical motor |
| CN1815859A (en) * | 2005-02-04 | 2006-08-09 | Lg电子株式会社 | Induction motor having reverse-rotation preventing function |
| CN101286681A (en) * | 2008-02-05 | 2008-10-15 | 杜文达 | Electric powered magnetic differential driver |
| US7466053B1 (en) * | 2008-04-10 | 2008-12-16 | Vladimir Radev | Dual-rotor electric traction motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61244260A (en) * | 1985-04-22 | 1986-10-30 | Hideyo Hirai | Generator rotating magnetic pole and armature |
-
2013
- 2013-04-22 CN CN201310140771.6A patent/CN103219841B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1017510A (en) * | 1911-01-09 | 1912-02-13 | Floyd W Casterline | Electric motor. |
| CN2433769Y (en) * | 2000-07-21 | 2001-06-06 | 朱亚平 | Electric vehicle electromagnetic automatic differential driving electric machine device |
| DE20303611U1 (en) * | 2003-03-07 | 2004-05-27 | Ripperger, Lucian, Dipl.-Ing. | Electric motor has rotor and stator that are coupled with each other for generating opposed rotation movement |
| CN1801582A (en) * | 2004-10-27 | 2006-07-12 | 欧洲直升机公司 | A two-outlet electromechanical motor |
| CN1815859A (en) * | 2005-02-04 | 2006-08-09 | Lg电子株式会社 | Induction motor having reverse-rotation preventing function |
| CN101286681A (en) * | 2008-02-05 | 2008-10-15 | 杜文达 | Electric powered magnetic differential driver |
| US7466053B1 (en) * | 2008-04-10 | 2008-12-16 | Vladimir Radev | Dual-rotor electric traction motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103219841A (en) | 2013-07-24 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20160204 Address after: 054700, Hebei Weixian County Economic Development Zone open road and Tengfei Road intersection southeast Patentee after: Hebei Mintai electric vehicle Limited by Share Ltd Address before: 054700 north side of eastern section of open road, Weixian County Economic Development Zone, Hebei Patentee before: Hebei Lukun Electric Vehicle Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20160422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |