CN105932845B - A kind of motor drive mechanism to slowly run - Google Patents
A kind of motor drive mechanism to slowly run Download PDFInfo
- Publication number
- CN105932845B CN105932845B CN201610491990.2A CN201610491990A CN105932845B CN 105932845 B CN105932845 B CN 105932845B CN 201610491990 A CN201610491990 A CN 201610491990A CN 105932845 B CN105932845 B CN 105932845B
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- CN
- China
- Prior art keywords
- relative stator
- rotor
- magnetic pole
- stator
- relative
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
- H02K21/04—Windings on magnets for additional excitation ; Windings and magnets for additional excitation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
- H02K21/10—Rotating armatures
Abstract
The invention discloses a kind of motor drive mechanisms to slowly run, the motor includes relative stator shaft, bearing, worm gear, rotor permanent magnet magnetic pole, rotor, relative stator, relative stator magnetic pole, worm screw, servomotor, mounting base, for detecting rotor, the position detecting device and relative stator electrical excitation coil of position between relative stator, the relative stator shaft is arranged with relative stator to be fixedly connected, several relative stator magnetic poles are equipped in the relative stator, it is mounted on relative stator electrical excitation coil on each relative stator magnetic pole, the output end of the relative stator shaft is fixedly linked with worm gear；Several rotor permanent magnet magnetic poles are installed on the rotor, the rotor permanent magnet magnetic pole is arranged in pairs with relative stator magnetic pole, the mounting base is connected by bearing with relative stator shaft, and rotor of the present invention and relative stator realize the transmission of torque by repulsion or gravitation；The motor drive mechanism can make that the torque of motor is very big, rotating speed is very low.
Description
Technical field
The invention belongs to Electric Traction fields, and in particular to a kind of motor drive mechanism to slowly run.
Background technology
Motor must reduce frequency shift number of pole-pairs in the rotating speed that reach very bottom, and such as wanting to further decrease rotating speed can
To be realized by speed reducer, but if torque requirement is big, generally only realized by speed reducer.
Motor must reduce frequency in the rotating speed that reach very bottom or change number of pole-pairs, such as want to further decrease rotating speed
It can also be realized by speed reducer, but if torque requirement is big, generally only be realized by speed reducer.If being not desired to pass through
Speed reducer reduces rotating speed and increases torque simultaneously, and motor size and weight will scale up.As a 100KW motor speed is logical
After crossing one times of speed reducer reduction, torque, which also increases, to be twice, but if reducing rotating speed without speed reducer and increasing torque, motor internal diameter
Enlarged proximal 4 is needed to can be only achieved necessary requirement again.
Invention content
For the deficiencies in the prior art, the present invention provides a kind of motor drive mechanism to slowly run, the motor drive mechanism
It can make that the torque of motor is very big, rotating speed is very low.
To achieve the above object, the present invention uses following technical scheme：
A kind of motor drive mechanism to slowly run, the motor include relative stator shaft, bearing, worm gear, rotor permanent magnet magnetic
Pole, rotor, relative stator, relative stator magnetic pole, worm screw, servomotor, mounting base, for detect rotor, relative stator it
Between position position detecting device and relative stator electrical excitation coil, the relative stator shaft and relative stator are arranged fixation
Connection is equipped with several relative stator magnetic poles in the relative stator, is mounted on each relative stator magnetic pole opposite
The output end of stator electrical excitation coil, the relative stator shaft is fixedly linked with worm gear；Several turns are equipped on the rotor
Sub- permanent magnetism magnetic pole, the rotor permanent magnet magnetic pole are arranged in pairs with relative stator magnetic pole, and the mounting base is fixed by bearing and relatively
Sub- shaft is connected；
The relative stator electrical excitation coil forms pole polarity identical with rotor permanent magnet magnetic pole, relative stator after being powered
Repulsion is formed between rotor, and the transmission of torque is rotated and realized by repulsion drive rotor, after rotor goes to certain angle,
Electrical current reduces in relative stator electrical excitation coil or power-off, the servomotor dragging worm gear and worm screw rotate, and works as position
When setting detection device and detecting that gap between relative stator and rotor is 0.001-0.01mm, servomotor stops operating,
Relative stator electrical excitation coil is powered again, forms pole polarity identical with rotor permanent magnet magnetic pole, relative stator and rotor again
Between form repulsion, rotated by repulsion drive rotor and realize that torque continues to transmit.
The rotor permanent magnet magnetic pole mounted in pairs.
The relative stator is locked by worm gear and worm screw.
The position detecting device is position sensor, and the position sensor uses two optical encoders, wherein one
A optical encoder installs optical encoder stationary part in mounting base, and optical encoder rotor portions are installed in relative stator
Point；Another optical encoder installs optical encoder stationary part in mounting base, and optical encoder is installed on rotor and is turned
Subdivision.
Nominal torque in the present invention is the product of relative stator and rotor repulsion and pole center position radius.The present invention
If in order to reduce rotor pulsating torque, every group has positive and negative two inner rooms temporary substitute to make, in a set of repulsion drive rotor, another set of phase
Magnetic pole of the stator is gone close to rotor permanent magnet magnetic pole, two sets of alternations can reduce pulsating torque.It is multigroup can series and parallel come increase turn
Square.The relative stator magnetic pole of relative stator can be adjusted at a distance from rotor permanent magnet magnetic pole, increase electromagnetic force；Also it is adjusted opposite
The exciting current of magnetic pole of the stator increases electromagnetic force, by changing the make-and-break time of relative stator magnetic pole, adjusts electromagnetic force and rotor
Rotating speed.
The relative stator magnetic pole of relative stator of the present invention can also be rotated with rotor permanent magnet magnetic pole with the mode of gravitation, also may be used
With in multigroup system repulsion be used in combination with gravitation because electrical excitation coil forms electromagnetic pole and permanent magnetism magnetic pole position by circle after being powered
Week arrangement is substantially parallel, and gravitation and repulsion are changed by current direction, are selected to electrical excitation according to the needs of specific magnetic pole
Coil is passed through the electric current of different directions.The rotating speed of motor drive mechanism of the present invention is powered according to the relative position and stator of stator and rotor
Duty ratio is realized.
Compared with prior art, beneficial effects of the present invention are：1. rotor of the present invention and relative stator by repulsion or are drawn
Power realizes the transmission of torque；2. the motor drive mechanism can make, the torque of motor is very big, rotating speed is very low.
Description of the drawings
Fig. 1 is the sectional view of structure of the invention.
Fig. 2 is the overall structure diagram of the present invention.
Fig. 3 is the structural schematic diagram of rotor in the present invention.
Fig. 4 is the structural schematic diagram of relative stator in the present invention.
Specific implementation mode
With reference to implementation example and attached drawing, the invention will be further described, but the protection of the present invention should not be limited with this
Range.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the motor drive mechanism that the present embodiment slowly runs, the motor include relatively fixed
Sub- shaft 1, bearing 2, worm gear 3, rotor permanent magnet magnetic pole 4, rotor 5, relative stator 6, relative stator magnetic pole 7, worm screw 8, servo electricity
Motivation 9, mounting base 10, the position detecting device 11 for detecting the position between rotor 5, relative stator 6 and relative stator electricity
Magnet exciting coil 12, the relative stator shaft 1 is arranged with relative stator 6 to be fixedly connected, and is equipped in the relative stator 6 several
Relative stator magnetic pole 7 is mounted on relative stator electrical excitation coil 12 on each relative stator magnetic pole 7, described relatively fixed
The output end of sub- shaft 1 is fixedly linked with worm gear 3；Several rotor permanent magnet magnetic poles 4 are installed, the rotor is forever on the rotor 5
Magnetic magnetic pole 4 is arranged in pairs with relative stator magnetic pole 7, and the mounting base 10 is connected by bearing 2 with relative stator shaft 1；
The relative stator electrical excitation coil 12 is formed after being powered and 4 identical pole polarity of rotor permanent magnet magnetic pole, relatively
Repulsion is formed between stator 6 and rotor 5, the transmission of torque is rotated and realized by repulsion drive rotor 5, when rotor 5 goes to one
After determining angle, electrical current reduces in relative stator electrical excitation coil 12 or power-off, the servomotor 9 drag 3 He of worm gear
Worm screw 8 rotates, and when position detecting device 11 detects that the gap between relative stator 6 and rotor 5 is 0.001-0.01mm, watches
It takes motor 9 to stop operating, relative stator electrical excitation coil 12 is powered again, is formed and 4 identical magnetic of rotor permanent magnet magnetic pole again
Pole polarity forms repulsion between relative stator 6 and rotor 5, rotated by repulsion drive rotor 5 and realize torque after resuming
It passs.
Preferably, 4 mounted in pairs of rotor permanent magnet magnetic pole described in the present embodiment.
As further preferred, relative stator 6 described in the present embodiment is locked by worm gear 3 and worm screw 8.
The present embodiment position detecting device 11 is position sensor, and the position sensor uses two optical encoders,
One of optical encoder installs optical encoder stationary part in mounting base 10, and optics is installed in relative stator 6 and is compiled
Code device rotor portion；Another optical encoder installs optical encoder stationary part in mounting base 10, is installed on rotor 5
Optical encoder rotor portion.
In this implementation, relative stator 5 carries out self-locking by worm gear 3 and worm screw 8 and fixes, and relative stator electrical excitation coil 12 is logical
Same sex repulsion drive rotor is formed with rotor permanent magnet magnetic pole 4 rotate an angle after electricity, which can need to adjust according to rotating speed,
General angle at 1 point hereinafter, after position detecting device 11 detects that the rotation of rotor 56 angle of relative stator reaches requirement, relatively
The relative stator electrical excitation coil 12 of stator 6 reduces electric current（The degree that electric current reduces turns according to the minimum that servomotor 9 needs
Square judges）Or no power, at this moment repulsion eliminate or still have certain magnetic hysteresis gravitation, servomotor 9 is powered rotation, passes through worm gear
3 and worm screw 8 drive relative stator 6 to rotate, relative stator 6 and rotor 5 turn to must be consistent, and at this moment relative stator 6 is substantially without hindrance
Power or have rotates in the case of certain gravitation, energy consumption very little.When position detecting device 11 detects relative stator 6 with rotor 5
Through very close（Gap can be 0.001-0.01mm) when, servomotor 9 stops operating, and worm gear 3 and worm screw 8 are lockked relatively again
Stator 6, relative stator electrical excitation coil 12 are powered again, and repulsion is formed to rotor permanent magnet magnetic pole 4, continue that rotor 5 is made to rotate, continuously
Work can be such that motor drive mechanism rotates.
After reaching certain angle between rotor and relative stator in the present invention, the realization process of the starting and stopping of servo motor is：
When servomotor 9 is DC servo motor, then the starting operation as long as it as long as logical direct current, it is out of service for deenergization,
When the control position that position coder is surveyed, after signal is to microcontroller processing, microcontroller passes through amplifying circuit, amplifying unit control
The starting and stopping of servo motor.
Although above-described embodiment makes specific descriptions to the present invention, come for those of ordinary skill in the art
It says, it is understood that can be modified based on present disclosure within the spirit and scope for not departing from the present invention
Or improve, these modification and improvement are all within the spirit and scope of the present invention.
Claims (4)
1. a kind of motor drive mechanism to slowly run, which is characterized in that the motor includes relative stator shaft（1）, bearing（2）,
Worm gear（3）, rotor permanent magnet magnetic pole（4）, rotor（5）, relative stator（6）, relative stator magnetic pole（7）, worm screw（8）, servo-electric
Machine（9）, mounting base（10）, for detecting rotor（5）, relative stator（6）Between position position detecting device（11）And phase
To stator electrical excitation coil（12）, the relative stator shaft（1）With relative stator（6）It is arranged and is fixedly connected, described opposite
Stator（6）It is equipped with several relative stator magnetic poles（7）, each relative stator magnetic pole（7）On be mounted on relative stator electricity
Magnet exciting coil（12）, the relative stator shaft（1）Output end and worm gear（3）It is fixedly linked；The rotor（5）On be equipped with
Several rotor permanent magnet magnetic poles（4）, the rotor permanent magnet magnetic pole（4）With relative stator magnetic pole（7）It is arranged in pairs, the mounting base
（10）Pass through bearing（2）With relative stator shaft（1）It is connected；
The relative stator electrical excitation coil（12）It is formed and rotor permanent magnet magnetic pole after energization（4）Identical pole polarity, relatively
Stator（6）And rotor（5）Between form repulsion, pass through repulsion drive rotor（5）The transmission for rotating and realizing torque, works as rotor
（5）After going to certain angle, relative stator electrical excitation coil（12）Middle electrical current reduces or power-off, the servomotor
（9）Drag worm gear（3）And worm screw（8）Rotation, works as position detecting device（11）Detect relative stator（6）And rotor（5）Between
Gap be 0.001-0.01mm when, servomotor（9）It stops operating, relative stator electrical excitation coil（12）It is powered again, then
Secondary formation and rotor permanent magnet magnetic pole（4）Identical pole polarity, relative stator（6）And rotor（5）Between form repulsion, pass through reprimand
Power drive rotor（5）It rotates and realizes that torque continues to transmit.
2. the motor drive mechanism according to claim 1 to slowly run, which is characterized in that the rotor permanent magnet magnetic pole（4）At
To installation.
3. the motor drive mechanism according to claim 1 to slowly run, which is characterized in that the relative stator（6）Pass through snail
Wheel（3）And worm screw（8）It is locked.
4. according to any motor drive mechanisms to slowly run of claim 1-3, which is characterized in that the position detecting device
（11）For position sensor, the position sensor uses two optical encoders, and one of optical encoder is in mounting base
(10) optical encoder stationary part is installed, in relative stator on（6）Upper installation optical encoder rotor portion；Another optics
Encoder installs optical encoder stationary part in mounting base (10), in rotor（5）Upper installation optical encoder rotor portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610491990.2A CN105932845B (en) | 2016-06-29 | 2016-06-29 | A kind of motor drive mechanism to slowly run |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610491990.2A CN105932845B (en) | 2016-06-29 | 2016-06-29 | A kind of motor drive mechanism to slowly run |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105932845A CN105932845A (en) | 2016-09-07 |
| CN105932845B true CN105932845B (en) | 2018-11-06 |
Family
ID=56828547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610491990.2A Active CN105932845B (en) | 2016-06-29 | 2016-06-29 | A kind of motor drive mechanism to slowly run |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105932845B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247407A (en) * | 1998-09-08 | 2000-03-15 | 李学思 | Magnetic power system and its application |
| CN1433125A (en) * | 2002-01-15 | 2003-07-30 | 陈明元 | Magnetic suspension motor for electric vehicle |
| CN101013870A (en) * | 2006-12-08 | 2007-08-08 | 矫祥田 | Magnetic means of lodestone |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6750628B2 (en) * | 2001-12-03 | 2004-06-15 | Electric Boat Corporation | Flux shunt wave shape control arrangement for permanent magnet machines |
-
2016
- 2016-06-29 CN CN201610491990.2A patent/CN105932845B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247407A (en) * | 1998-09-08 | 2000-03-15 | 李学思 | Magnetic power system and its application |
| CN1433125A (en) * | 2002-01-15 | 2003-07-30 | 陈明元 | Magnetic suspension motor for electric vehicle |
| CN101013870A (en) * | 2006-12-08 | 2007-08-08 | 矫祥田 | Magnetic means of lodestone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105932845A (en) | 2016-09-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190128 Address after: Room A1042, Building 2758 Songjin Road, Zhangyan Town, Jinshan City, Shanghai, 201514 Patentee after: Shanghai Sakura Electromechanical Technology Co., Ltd. Address before: Room 305, No. 150 Lane 3, Linyi North Road, Pudong New Area, Shanghai, 200127 Co-patentee before: Zhang Lirui Patentee before: Li Yong |