CN106787551A - A kind of alternating current impression servo high-speed motor - Google Patents
A kind of alternating current impression servo high-speed motor Download PDFInfo
- Publication number
- CN106787551A CN106787551A CN201710141423.9A CN201710141423A CN106787551A CN 106787551 A CN106787551 A CN 106787551A CN 201710141423 A CN201710141423 A CN 201710141423A CN 106787551 A CN106787551 A CN 106787551A
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- pole tooth
- speed
- driver
- alternating current
- coil
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims 1
- 229910001172 neodymium magnet Inorganic materials 0.000 claims 1
- 238000004804 winding Methods 0.000 abstract description 15
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/12—Asynchronous induction motors for multi-phase current
-
- 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
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- 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
- H02K1/2706—Inner rotors
-
- 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
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention discloses a kind of alternating current impression servo high-speed motor, belong to servomotor technical field, including casing, PLC circuit plate, iron core outer ring, multigroup pole tooth, multigroup coil and axle, pole tooth is arranged in iron core outer ring, every group of coil one group of pole tooth of correspondence, multigroup pole tooth is the pole tooth of same size, coil inner side is provided with ndfeb magnet, ndfeb magnet is provided with louvre, transverter is additionally provided with PLC circuit plate, commutation encoder, controller and driver, driver respectively with transverter, commutation encoder, controller is connected, axle is connected with driver, hall sensor is provided between two groups of coils, hall sensor is located at the lower section of pole tooth., using brushless, transverter and electronics phase changer, reliable operation is low to care and maintenance requirement, and stator winding heat dissipation is more convenient, and inertia is small, it is easy to improve the rapidity of system, is adapted to high speed high-torque working condition for the present invention.
Description
Technical field
The present invention relates to a kind of servomotor, more particularly to a kind of alternating current impression servo high-speed motor belongs to servo electricity
Machine technical field.
Background technology
Since the eighties in 20th century, with integrated circuit, Power Electronic Technique and the development of variable speed drive technology has been exchanged,
Permanent magnetic Ac servo actuation techniques have a prominent development, and famous electric manufacturer of the various countries respective AC servo that releases one after another is electronic
Machine and servo-driver series of products and constantly improve and renewal.AC servo has turned into contemporary high performance servo system
Main development direction, makes original DC servo face the crisis being eliminated.After the nineties, countries in the world commercialization
AC servo be using all-digitized demodulator sine wave motor servo drive.AC servo drive device is led in transmission
The development in domain is maked rapid progress.
With the development of society, servomotor has been widely used in terms of the production of people and the side of life
Face, the miniaturization of electrical equipment and intelligent drive motor are also continued towards miniaturization and intelligent development, and servomotor refers to watch
The engine of control machinery element operating in dress system, is a kind of subsidy indirect speed change gear of motor, the controllable speed of servomotor
Degree, positional precision is very high, voltage signal can be converted into torque and rotating speed with drive control object, and servo motor rotor turns
Speed is controlled by input signal, and energy fast reaction, as executive component and normal with the electromechanical time in automatic control system
The electric signal for being received, can be converted into the angular displacement on motor reel or angle speed by the characteristics such as the number high, pickup voltage of the small, linearity
Degree output, is divided into direct current and the major class of AC servomotor two, and it is mainly characterized by, existing without rotation when signal voltage is zero
As rotating speed uniform descent with the increase of torque.
Rotor inside servomotor is permanent magnet, the U/V/W three-phase electric forming electromagnetic fields of driver control, and rotor is herein
Rotated in the presence of magnetic field, while the encoder feedback signal that motor is carried is to driver, driver is according to value of feedback and target
Value is compared, the angle that adjustment rotor is rotated.The precision of servomotor is decided by the precision of encoder.AC servomotor
Structure can be divided mainly into two parts, i.e. stationary part and rotor portion.The wherein stator of the structure of stator and rotary transformer
It is essentially identical, two phase windings of the mutual electrical angle in 90 ° in space are also laid in stator core, one of which is field winding,
Another group is controling winding, and AC servomotor is a kind of ac motor of two-phase.The construction of AC servo motor stator
Substantially similar to capacitor split-phase monopole asynchronous motor, equipped with two windings of 90 ° of position mutual deviation on its stator, one is
Exciting Windings for Transverse Differential Protection Rf, it is connected on alternating voltage U all the timefOn, another is controling winding L, connection control signal voltage Uc, so handing over
Stream servomotor is also known as two servomotors.
At present, there is problems with existing AC servo motor more：The brush and commutator functional reliability of use are low,
It is higher to care and maintenance requirement；Stator winding heat dissipation is poor；Inertia is big, is not easy to the rapidity of raising system；Major part is handed over
Flow servo motor is not suitable for high speed high-torque working condition.
The content of the invention
The main object of the present invention is to solve the low functional reliability of current AC servo motor presence, maintenance and protecting
Support and require that high, stator winding heat dissipation is poor, inertia is big, be not easy to the rapidity of raising system, be not suitable for high speed high-torque work
The problems such as making state, and a kind of alternating current impression servo high-speed motor is provided.
The purpose of the present invention can be reached by adopting the following technical scheme that：
A kind of alternating current impression servo high-speed motor, including casing, PLC circuit plate, iron core outer ring, multigroup pole tooth, multigroup line
Circle and axle, the iron core outer ring, the pole tooth, the coil and the axle are arranged on the PLC circuit plate, the PLC
Circuit board is arranged in the casing, and the pole tooth is arranged in the iron core outer ring, described in one group of coil correspondence described in every group
Pole tooth, multigroup pole tooth is the pole tooth of same size, and the coil inner side is provided with ndfeb magnet, on the ndfeb magnet
Louvre is provided with, transverter, commutation encoder, controller and driver, the driver point are additionally provided with the PLC circuit plate
It is not connected with the transverter, the commutation encoder, the controller, the axle is connected with the driver, described in two groups
Hall sensor is provided between coil, the hall sensor is located at the lower section of the pole tooth.
Preferred scheme is that bearing and rubber shaft seal are provided between the axle and the ndfeb magnet, the bearing and
The rubber shaft seal is arranged on the shaft.
In any of the above-described scheme preferably, the PLC circuit plate is provided with multiple hollow grooves and multiple coil grooves, institute
Hollow groove is stated for facilitating the installation and dismounting of the PLC circuit plate.
In any of the above-described scheme preferably, the casing is provided with multiple mounting grooves, and the mounting groove is used for convenient
The installation and dismounting of the casing.
In any of the above-described scheme preferably, pole tooth boss is equipped with pole tooth described in every group, the pole tooth boss is used
In the self-positioning of the pole tooth is improved, facilitate the installation of the pole tooth.
In any of the above-described scheme preferably, the casing is provided with metal connector, the metal connector and institute
State driver connection.
In any of the above-described scheme preferably, electronics phase changer is provided with the controller.
In any of the above-described scheme preferably, change of current driver, circuit brake and electric current are provided with the transverter
Sensor, the input of the change of current driver is connected with PWM DC motor speed-regulating devices, the output end of the change of current driver with
The current sensor connection, the PWM DC motor speed-regulatings device receives speed command and is sent to electric motor.
In any of the above-described scheme preferably, speed control, blender, Phase synchronization are provided with the driver
Device, current controller and resolver, the speed control are electrically connected with the blender, and the blender is same with the phase
Step device electrical connection, the phase synchroniser is electrically connected with the current controller.
In any of the above-described scheme preferably, the current controller is electrically connected with PWM DC motor speed-regulating devices, described
The output end of PWM DC motor speed-regulating devices is electrically connected with the resolver.
Advantageous Effects of the invention：According to the friendship that alternating current impression servo high-speed motor of the invention, the present invention are provided
Influenza answers servo high-speed motor, solve that the functional reliability that current AC servo motor is present is low, safeguard and maintenance require it is high,
Stator winding heat dissipation is poor, inertia is big, be not easy to the rapidity of raising system, be not suitable for high speed high-torque working condition etc. asks
Topic；With advantages below：Using brushless, transverter and electronics phase changer, therefore reliable operation, to care and maintenance requirement
Low, stator winding heat dissipation is more convenient, and inertia is small, it is easy to improve the rapidity of system, is adapted to high speed high-torque working condition,
Efficiency of assembling is improve by using same pole tooth, the position of hall sensor and rotor is reduced, is conducive to electric motor starting, led to
Setting louvre is crossed advantageously in stator winding heat dissipation, by setting metal connector, motor connection is more facilitated, set
Transverter, commutation encoder and controller, make motor be adaptive to high speed high-torque working environment.
Brief description of the drawings
Fig. 1 is to illustrate according to the agent structure of a preferred embodiment of alternating current impression servo high-speed electric machine structure of the invention
Figure；
Fig. 2 is that driving structure of being opened a way in transverter according to the embodiment of alternating current impression servo high-speed motor one of the invention is shown
It is intended to, the embodiment can be and Fig. 1 identicals embodiment, or the embodiment different with Fig. 1；
Fig. 3 is the controller internal structure schematic diagram according to the embodiment of alternating current impression servo high-speed motor one of the invention,
The embodiment can be and Fig. 1 or Fig. 2 identicals embodiment, or the embodiment different with Fig. 1 or Fig. 2；
Fig. 4 is the inverter inside structural representation according to the embodiment of alternating current impression servo high-speed motor one of the invention,
The embodiment can be and Fig. 1 or Fig. 2 or Fig. 3 identicals embodiment, or the implementation different with Fig. 1 or Fig. 2 or Fig. 3
Example；
Fig. 5 is the internal drive structural representation according to the embodiment of alternating current impression servo high-speed motor one of the invention,
The embodiment can be and Fig. 1 or Fig. 2 or Fig. 3 or Fig. 4 identicals embodiment, or with Fig. 1 or Fig. 2 or Fig. 3 or Fig. 4 not
Same embodiment.
In figure：1- casings, 2-PLC circuit boards, 3- hollow grooves, 4- transverters, 5- commutation encoders, 6- controllers, 7- iron
Core outer ring, 8- coil grooves, 9- poles tooth boss, 10- poles tooth, 11- coils, 12- ndfeb magnets, 13- bearings, 14- rubber shaft seals,
15- axles, 16- mounting grooves, 17- hall sensors, 18- louvres, 19- drivers, 20- metal connectors, the 41- changes of current drive
Device, 42- circuit brakes, 43- current sensors, 61- electronics phase changers, 191- speed controls, 192- blenders, 193- phases
Bit synchronizer, 194- current controllers, 195- resolvers.
Specific embodiment
To make those skilled in the art's more clear and clear and definite technical scheme, with reference to embodiment and accompanying drawing
The present invention is described in further detail, but embodiments of the present invention not limited to this.
As shown in figure 1, a kind of alternating current impression servo high-speed motor that the present embodiment is provided, including casing 1, PLC circuit plate
2nd, iron core outer ring 7, multigroup pole tooth 10, multigroup coil 11 and axle 15, the iron core outer ring 7, the pole tooth 10, the and of the coil 11
The axle 15 is arranged on the PLC circuit plate 2, and the PLC circuit plate 2 is arranged in the casing 1, and the pole tooth 10 sets
Put in the iron core outer ring 7, pole tooth 10 described in one group of the correspondence of coil 11 described in every group, multigroup pole tooth 10 is same size
Pole tooth, the inner side of the coil 11 is provided with ndfeb magnet 12, and the ndfeb magnet 12 is provided with louvre 18, the PLC
Transverter 4, commutation encoder 5, controller 6 and driver 19 are additionally provided with circuit board 2, the driver 19 is changed with described respectively
Stream device 4, the commutation encoder 5, the controller 6 are connected, and the axle 15 is connected with the driver 19, coil described in two groups
Hall sensor 17 is provided between 11, the hall sensor 17 is located at the lower section of the pole tooth 10.
Further, in the present embodiment, as shown in figure 1, being provided with axle between the axle 15 and the ndfeb magnet 12
13 and rubber shaft seal 14 are held, the bearing 13 and the rubber shaft seal 14 are set on the axle 15；The PLC circuit plate 2
Multiple hollow grooves 3 and multiple coil grooves 8 are provided with, the hollow groove 3 is used to facilitate the installation and dismounting of the PLC circuit plate 2；
The casing 1 is provided with multiple mounting grooves 16, and the mounting groove 16 is used to facilitate the installation and dismounting of the casing 1.
Further, in the present embodiment, it is described as shown in figure 1, being equipped with pole tooth boss 9 on pole tooth 10 described in every group
Pole tooth boss 9 facilitates the installation of the pole tooth 10 for improving the self-positioning of the pole tooth 10；The casing 1 is provided with metal
Connector 20, the metal connector 20 is connected with the driver 19.
Further, in the present embodiment, as shown in Figure 2, Figure 3 and Figure 4, it is provided with electronics phase changer in the controller 6
61；Change of current driver 41, circuit brake 42 and current sensor 43, the change of current driver 41 are provided with the transverter 4
Input be connected with PWM DC motor speed-regulating devices, output end and the current sensor 43 of the change of current driver 41 connect
Connect, the PWM DC motor speed-regulatings device receives speed command and is sent to electric motor.
Further, in the present embodiment, as shown in figure 5, being provided with speed control 191, mixing in the driver 19
Device 192, phase synchroniser 193, current controller 194 and resolver 195, the speed control 191 and the blender 192
Electrical connection, the blender 192 electrically connects with the phase synchroniser 193, the phase synchroniser 193 and the current control
Device 194 is electrically connected；The current controller 194 is electrically connected with PWM DC motor speed-regulating devices, the PWM DC motor speed-regulatings device
Output end electrically connected with the resolver 195.
In sum, in the present embodiment, according to the alternating current impression servo high-speed motor of the present embodiment, the present embodiment is provided
Alternating current impression servo high-speed motor, solve that the functional reliability that current AC servo motor is present is low, safeguard and maintenance will
Ask high, stator winding heat dissipation is poor, inertia is big, be not easy to the rapidity of raising system, be not suitable for high speed high-torque works shape
The problems such as state；With advantages below：Using brushless, transverter and electronics phase changer, therefore reliable operation, to care and maintenance
It is required that low, stator winding heat dissipation is more convenient, and inertia is small, it is easy to improve the rapidity of system, is adapted to the work of high speed high-torque
State, efficiency of assembling is improve by using same pole tooth, reduces the position of hall sensor and rotor, is conducive to motor to open
It is dynamic, by setting louvre advantageously in stator winding heat dissipation, by setting metal connector, make motor connection more square
Just, transverter, commutation encoder and controller are set, motor is adaptive to high speed high-torque working environment.
The above, further embodiment only of the present invention, but protection scope of the present invention is not limited thereto, and it is any
In scope disclosed in this invention, technology according to the present invention scheme and its design add those familiar with the art
With equivalent or change, protection scope of the present invention is belonged to.
Claims (10)
1. a kind of alternating current impression servo high-speed motor, including casing (1), PLC circuit plate (2), iron core outer ring (7), multigroup pole tooth
(10), multigroup coil (11) and axle (15), it is characterised in that：The iron core outer ring (7), the pole tooth (10), the coil
(11) it is arranged on the PLC circuit plate (2) with the axle (15), the PLC circuit plate (2) is arranged on the casing (1)
Interior, the pole tooth (10) is arranged in the iron core outer ring (7), pole tooth (10) described in one group of coil (11) correspondence described in every group,
Multigroup pole tooth (10) is the pole tooth of same size, and coil (11) inner side is provided with ndfeb magnet (12), the neodymium iron
Boron magnets (12) are provided with louvre (18), and transverter (4), commutation encoder (5), control are additionally provided with the PLC circuit plate (2)
Device (6) processed and driver (19), the driver (19) respectively with the transverter (4), commutation encoder (5), described
Controller (6) is connected, and the axle (15) is connected with the driver (19), and hall sensing is provided between coil (11) described in two groups
Device (17), the hall sensor (17) is positioned at the lower section of the pole tooth (10).
2. a kind of alternating current impression servo high-speed motor according to claim 1, it is characterised in that：The axle (15) with it is described
Bearing (13) and rubber shaft seal (14) are provided between ndfeb magnet (12), the bearing (13) and the rubber shaft seal (14) are
It is set on the axle (15).
3. a kind of alternating current impression servo high-speed motor according to claim 1, it is characterised in that：The PLC circuit plate (2)
It is provided with multiple hollow grooves (3) and multiple coil groove (8), the hollow groove (3) is for facilitating the peace of the PLC circuit plate (2)
Dress and dismounting.
4. a kind of alternating current impression servo high-speed motor according to claim 1, it is characterised in that：Set on the casing (1)
There are multiple mounting grooves (16), the mounting groove (16) is for facilitating the installation and dismounting of the casing (1).
5. a kind of alternating current impression servo high-speed motor according to claim 1, it is characterised in that：Pole tooth (10) described in every group
On be equipped with pole tooth boss (9), the pole tooth boss (9) facilitates the pole tooth for improving the self-positioning of the pole tooth (10)
(10) installation.
6. a kind of alternating current impression servo high-speed motor according to claim 1, it is characterised in that：Set on the casing (1)
There is metal connector (20), the metal connector (20) is connected with the driver (19).
7. a kind of alternating current impression servo high-speed motor according to claim 1, it is characterised in that：In the controller (6)
It is provided with electronics phase changer (61).
8. a kind of alternating current impression servo high-speed motor according to claim 1, it is characterised in that：In the transverter (4)
It is provided with change of current driver (41), circuit brake (42) and current sensor (43), the input of the change of current driver (41)
It is connected with PWM DC motor speed-regulating devices, the output end of the change of current driver (41) is connected with the current sensor (43), institute
PWM DC motor speed-regulating devices are stated to receive speed command and be sent to electric motor.
9. a kind of alternating current impression servo high-speed motor according to claim 1, it is characterised in that：In the driver (19)
Speed control (191), blender (192), phase synchroniser (193), current controller (194) and resolver (195) are provided with,
The speed control (191) electrically connects with the blender (192), the blender (192) and the phase synchroniser
(193) electrically connect, the phase synchroniser (193) electrically connects with the current controller (194).
10. a kind of alternating current impression servo high-speed motor according to claim 9, it is characterised in that：The current controller
(194) electrically connected with PWM DC motor speed-regulating devices, output end and the resolver (195) of the PWM DC motor speed-regulatings device
Electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710141423.9A CN106787551A (en) | 2017-03-10 | 2017-03-10 | A kind of alternating current impression servo high-speed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710141423.9A CN106787551A (en) | 2017-03-10 | 2017-03-10 | A kind of alternating current impression servo high-speed motor |
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| Publication Number | Publication Date |
|---|---|
| CN106787551A true CN106787551A (en) | 2017-05-31 |
Family
ID=58961850
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710141423.9A Pending CN106787551A (en) | 2017-03-10 | 2017-03-10 | A kind of alternating current impression servo high-speed motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849258A (en) * | 2019-11-28 | 2020-02-28 | 武汉华之洋科技有限公司 | Angle encoder based on induction synchronizer |
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|---|---|---|---|---|
| CN1307743A (en) * | 1998-02-11 | 2001-08-08 | I·S·电动机韩国株式会社 | Constant-power brushless DC motor |
| CN2921380Y (en) * | 2006-06-20 | 2007-07-11 | 山东美陵化工设备股份有限公司 | External rotor permanent magnetic brushless DC electric machine speed regulating centrifugal ventilator |
| CN102013747A (en) * | 2011-01-06 | 2011-04-13 | 无锡市中达电机有限公司 | Motor protection sealing element |
| JP2013258885A (en) * | 2012-06-11 | 2013-12-26 | Shinji Aranaka | Drive control method of permanent magnet synchronous motor |
| CN104836495A (en) * | 2015-05-22 | 2015-08-12 | 广东威灵电机制造有限公司 | Brushless DC motor and control device therefor |
| CN204794630U (en) * | 2015-06-19 | 2015-11-18 | 江苏雷利电机股份有限公司 | Brushless motor |
| CN105811824A (en) * | 2014-12-30 | 2016-07-27 | 上海新跃仪表厂 | Micro/nano-satellite reaction flywheel control method based on linear Hall |
| CN206595869U (en) * | 2017-03-10 | 2017-10-27 | 江苏智马机电科技有限公司 | A kind of alternating current impression servo high-speed motor |
-
2017
- 2017-03-10 CN CN201710141423.9A patent/CN106787551A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307743A (en) * | 1998-02-11 | 2001-08-08 | I·S·电动机韩国株式会社 | Constant-power brushless DC motor |
| CN2921380Y (en) * | 2006-06-20 | 2007-07-11 | 山东美陵化工设备股份有限公司 | External rotor permanent magnetic brushless DC electric machine speed regulating centrifugal ventilator |
| CN102013747A (en) * | 2011-01-06 | 2011-04-13 | 无锡市中达电机有限公司 | Motor protection sealing element |
| JP2013258885A (en) * | 2012-06-11 | 2013-12-26 | Shinji Aranaka | Drive control method of permanent magnet synchronous motor |
| CN105811824A (en) * | 2014-12-30 | 2016-07-27 | 上海新跃仪表厂 | Micro/nano-satellite reaction flywheel control method based on linear Hall |
| CN104836495A (en) * | 2015-05-22 | 2015-08-12 | 广东威灵电机制造有限公司 | Brushless DC motor and control device therefor |
| CN204794630U (en) * | 2015-06-19 | 2015-11-18 | 江苏雷利电机股份有限公司 | Brushless motor |
| CN206595869U (en) * | 2017-03-10 | 2017-10-27 | 江苏智马机电科技有限公司 | A kind of alternating current impression servo high-speed motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849258A (en) * | 2019-11-28 | 2020-02-28 | 武汉华之洋科技有限公司 | Angle encoder based on induction synchronizer |
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