CN201797413U - Time-staggered independent driving device for stator winding of permanent magnet synchronous motor - Google Patents
Time-staggered independent driving device for stator winding of permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN201797413U CN201797413U CN2010202876120U CN201020287612U CN201797413U CN 201797413 U CN201797413 U CN 201797413U CN 2010202876120 U CN2010202876120 U CN 2010202876120U CN 201020287612 U CN201020287612 U CN 201020287612U CN 201797413 U CN201797413 U CN 201797413U
- Authority
- CN
- China
- Prior art keywords
- controller
- stator
- inversion unit
- time
- stator winding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a time-staggered independent driving device for a stator winding of a permanent magnet synchronous motor. The driving device comprises a crankshaft (1), wherein a rotary transformer (2) is connected outside a motor shaft; the rotary transformer is coaxially connected with eight antipodes of permanent magnet rotors (3); a gap installation stator (4) is arranged outside each antipode of permanent magnet rotor; a three-phase winding of each antipode of stator is connected with an inverting unit (5) respectively; one inverting unit is connected with a main controller (6-1); the other inverting units are connected with an auxiliary controller (6-2-8) respectively; the inverting unit is connected with a public direct-current bus (7); the main controller is connected with the rotary transformer; and the main controller is connected with the auxiliary controller through a control wire harness (8). The product is taken as a permanent magnet synchronous motor which is driven and controlled integrally.
Description
Technical field:
The utility model relates to a kind of permanent-magnetic synchronous motor stator winding drive device of staggering the time.
Background technology:
Publication number be CN 2696197Y miniature inverter and and the integrated drive unit of ac three-phase asynchronous motor combination, it is characterized in that this miniature inverter is made up of an integrated IPM of whole required circuit (Intelligent Power Module) that has the multi-layer PCB (printed circuit board (PCB)) of a large amount of Surface Mount miniature electronic components and parts and equate with its area, and the terminal box position that this inverter is directly installed on motor case, by former DC power supply, utilize the casing heat radiation, use the platform of IPM as miniature converter main circuit, control circuit is directly installed on the IPM surface, make this integrated drive unit can directly replace former direct current machine and use the small-sized electric equipment that can directly apply to the beeliner accessory fan and power supply is provided by wind-force.
Publication number is that the high accuracy of CN 101571723A drives and the control integrated electric motor, comprise power interface, with the load situation detecting sensor, decelerator, motor, the motor rotor position detecting sensor, connecting the debugging interface and the field-bus interface that drive with controller becomes one, promptly the output shaft that is connected with the load situation detecting sensor directly connects load, with the both sides of motor respectively with the motor rotor position detecting sensor, decelerator is coaxial to link to each other, the coaxial installation of load situation detecting sensor and load, and with shielding conductor load situation detecting sensor and motor rotor position detecting sensor signal are caused and to drive and controller.This utility model makes system have good shock resistance, anti-shake performance, is more suitable for industrial control condition; Load situation detecting sensor, decelerator, motor etc. are become one; Utilize positioner, speed control and current controller effectively to suppress Backlash Nonlinearity, improved system accuracy.
Above patent all is that motor, inverter, controller, transducer etc. are combined as a whole, and has shortened the stube cable between motor and driving governor, has reduced fault odds such as Miswire, tie point loose contact.But above patent does not all adopt the drive mode, does not consider problems such as motor low cruise efficient is low, fault-tolerant operation ability.The utility model is permanent-magnetic synchronous motor stator winding stagger the time self-contained unit and method, the drive method has solved the inefficient problem of motor low cruise, motor cpable of lowering power fault-tolerant operation still when the partial stator winding damages, the driving method of staggering the time has avoided each that utmost point stator winding is begun energising simultaneously, the impulse current of direct current power electric capacity when having reduced stator winding electrifying has effectively reduced the capacity requirement to direct current power electric capacity.
Summary of the invention:
The purpose of this utility model provides a kind of permanent-magnetic synchronous motor stator winding drive device of staggering the time, can improve motor low cruise efficient and fault-tolerant operation ability, the impulse current of direct current power electric capacity when reducing stator winding electrifying reduces the capacity requirement to direct current power electric capacity.
Above-mentioned purpose realizes by following technical scheme:
The permanent-magnetic synchronous motor stator winding drive device of staggering the time, its composition comprises: motor shaft, described motor shaft connects resolver outward, the coaxial connection p-m rotor of described resolver, described p-m rotor is 8 pairs of utmost points, every pair of extremely described p-m rotor has air gap outward stator is installed, three phase windings of every pair of extremely described stator are the separate connection inversion unit respectively, one of them described inversion unit connects master controller, all the other described inversion units connect assistant controller respectively, described inversion unit connects public direct-flow bus wire, described master controller connects described resolver, connects by the control wire harness between described master controller and the assistant controller.
The described permanent-magnetic synchronous motor stator winding drive device of staggering the time, described inversion unit and controller are positioned in the housing cavity of described stator, and described public direct-flow bus wire is arranged in the surface of shell of described stator.
Beneficial effect:
1. the utility model is satisfying the inversion unit that under the prerequisite of power demand of motors the high power contravariant device is decomposed into some smaller powers, all inversion units are powered by public direct-flow bus wire, every pair of utmost point stator winding of each inversion unit independent driving motor, according to whole power output demand, master controller 1-7 inversion unit of instruction or whole 8 inversion unit drive motors, each inversion unit adopts the drive method of staggering the time, can improve motor low cruise efficient and fault-tolerant operation ability, the impulse current of direct current power electric capacity when reducing stator winding electrifying reduces the capacity requirement to direct current power electric capacity.When motor speed is low, needn't drive all 8 pairs of utmost point stator winding simultaneously, only need to drive wherein any a pair of utmost point stator winding, master controller can instruct any one inversion unit work, remaining inversion unit is ready, the operational efficiency when having improved motor low speed.
2. the utility model fault-tolerant operation ability is strong: when the partial stator winding damaged, motor is the cpable of lowering power fault-tolerant operation still.This high-power demand is decomposed into drive method, the technology of some smaller powers unit, has solved the difficult problem that single power output is nonserviceabled and can't be worked down.
3. the utility model direct current power capacitance is little: adopt the small drive method of staggering the time of each inversion unit, avoided each that utmost point stator winding is begun energising simultaneously, the impulse current of direct current power electric capacity has reduced the capacity requirement to direct current power electric capacity in the time of can reducing stator winding electrifying effectively.
4. resolver of the present utility model only is connected with master controller, is not connected with assistant controller.Master controller mainly is responsible for finishing revolving and is become decoding, control algolithm operation, PWM output, the transmission of start and stop control command etc., and assistant controller mainly is responsible for finishing stagger the time control, fault message transmission etc.The control wire harness is made up of three road pwm signals and CAN bus, and the CAN bus is responsible for the communication of start and stop control command signal and fault message between master controller and the assistant controller.Master controller sends three road pwm signals by the control wire harness to all assistant controllers, and sends seven tunnel start and stop control command signal to assistant controller respectively by the CAN bus, and assistant controller sends fault message to master controller separately by the CAN bus.
5. the utility model can be realized the control of staggering the time: assistant controller is according to the start and stop control command signal of the master controller that receives separately, judge that assistant controller is in running order or armed state, if assistant controller is ready, then described assistant controller and coupled inversion unit are not worked, the stator winding no power; If assistant controller is in running order, then staggering the time drives coupled inversion unit.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is inversion unit and controller annexation figure.
Fig. 3 is the PWM1 signal of master controller and the assistant controller logic relation picture of staggering the time.
Fig. 4 is six road of the assistant controller 6-2 pwm signal logic relation picture of staggering the time.
Fig. 5 is the main MCU peripheral circuit schematic diagram of master controller.
Fig. 6 is that revolving of master controller becomes the decoding circuit schematic diagram.
Fig. 7 is the predrive circuit schematic diagram of master controller and assistant controller.
Fig. 8 is the auxilliary MCU peripheral circuit schematic diagram of assistant controller.
Embodiment:
Embodiment 1:
As shown in Figure 1, the permanent-magnetic synchronous motor stator winding drive device of staggering the time, its composition comprises: motor shaft 1, described motor shaft connects resolver 2 outward, the coaxial connection p-m rotor 3 of described resolver, described p-m rotor is 8 pairs of utmost points, every pair of extremely described p-m rotor has air gap outward stator 4 is installed, three phase windings of every pair of extremely described stator are separate connection inversion unit 5 respectively, one of them described inversion unit connects master controller 6-1, all the other described inversion units connect assistant controller 6-2-8 respectively, described inversion unit connects public direct-flow bus wire 7, described master controller connects described resolver, connects 8 by the control wire harness between described master controller and the assistant controller.
The described permanent-magnetic synchronous motor stator winding drive device of staggering the time, described inversion unit and controller are positioned in the housing cavity of described stator, and described public direct-flow bus wire is arranged in the surface of shell of described stator.
Embodiment 2:
Shown in accompanying drawing 1,2, motor and driving governor thereof adopt integrated design, and motor is a three-phase permanent magnet synchronous motor, and its p-m rotor 3 is 8 pairs of utmost points, three phase winding A1-8 of every pair of utmost point stator 4, B1-8, C1-8 independently draw respectively, respectively by each inversion unit drive.All inversion units are the three-phase bridge structure, the DC side of each inversion unit 5 all is connected with direct current power electric capacity with public direct-flow bus wire 7U+, U-, and its AC side three-phase output is connected with three phase winding A1-8, B1-8, the C1-8 of every pair of utmost point stator 4 of motor respectively.Each inversion unit 5 and controller place respectively in the housing cavity of every pair of utmost point stator 4, and public direct-flow bus wire 7U+, U-are arranged in the surface of shell of stator 4.Resolver 2 coaxial connection p-m rotors 3, master controller 6-1 is connected with resolver 2.Master controller 6-1 mainly is responsible for finishing revolving and becomes decoding, control algolithm operation, PWM output, the transmission of start and stop control command etc., and assistant controller 6-2-8 mainly is responsible for finishing stagger the time control, fault message transmission etc.Control wire harness 8 is made up of three road pwm signals and CAN bus, and the CAN bus is responsible for the communication between master controller 6-1 and the assistant controller 6-2-8.Master controller 6-1 sends three road pwm signals by control wire harness 8 to all assistant controller 6-2-8, and sending seven tunnel start and stop control command signal to assistant controller 6-2-8 respectively by the CAN bus, assistant controller 6-2-8 sends fault message to master controller 6-1 separately by the CAN bus.Assistant controller 6-2-8 judges whether that according to the start and stop control command signal pwm signal is carried out small staggering the time handles the coupled inversion unit of rear drive.
Embodiment 3:
Adopt above-mentioned permanent-magnetic synchronous motor stator winding drive method, it is characterized in that: when rated speed was following, master controller 6-1 instructed 1-7 inversion unit work, and the inversion unit that does not obtain instruction still is ready; When rated speed is above, can instruct whole 8 inversion unit work, Maximum Power Output.
Embodiment 4:
Shown in accompanying drawing 2,3,4,5,6,7, adopt the above-mentioned permanent-magnetic synchronous motor stator winding driving method of staggering the time, it is characterized in that: assistant controller 6-2-8 receives the start and stop control command signal that master controller 6-1 sends, judge that assistant controller 6-2-8 is in running order or armed state, if assistant controller 6-2-8 is ready, then described assistant controller 6-2-8 and coupled inversion unit are not worked, stator winding A2-8, B2-8, C2-8 no power; If assistant controller 6-2-8 is in running order, then staggering the time drives coupled inversion unit.
Master controller 6-1 mainly forms by revolving change decoding circuit, main MCU, predrive circuit etc., mainly is responsible for finishing revolving becoming decoding, control algolithm operation, PWM output, the transmission of start and stop control command etc.Assistant controller 6-2-8 mainly is made up of auxilliary MCU, predrive circuit etc., does not contain and revolves the change decoding circuit, mainly is responsible for finishing stagger the time control, fault message transmission etc.2 of resolvers are connected with master controller 6-1, are not connected with assistant controller 6-2-8.
Master controller 6-1 will revolve to become and send into main MCU after information decoding becomes 12 absolute rotor position informations, and main MCU is responsible for moving control algolithm and exports six road pwm signals, and this six road pwm signal can drive coupled inversion unit after isolating amplification.PWM1, PWM3, PWM5 in described six road pwm signals is respectively applied for three IGBT of brachium pontis on the three-phase that drives coupled inversion unit, and PWM2, PWM4, PWM6 are respectively applied for three IGBT of brachium pontis under the three-phase that drives coupled inversion unit.
Assistant controller 6-2-8 is responsible for receiving the start and stop control command signal of the master controller 6-1 that sends from the CAN bus, and sends separately fault message to master controller 6-1 by the CAN bus.The auxilliary MCU of assistant controller 6-2-8 is according to the start and stop control command signal of the master controller 6-1 that receives separately, judge that assistant controller 6-2-8 is in running order or armed state, if assistant controller 6-2-8 is ready, then described assistant controller 6-2-8 and coupled inversion unit are not worked, stator winding no power A2-8, B2-8, C2-8; If assistant controller 6-2-8 is in running order, then auxilliary MCU at first utilizes capturing unit to catch the PWM1 that master controller 6-1 sends, PWM3, the rising edge of PWM5 signal, and according to predefined delay time, to PWM1, PWM3, the PWM5 signal carries out the small processing of staggering the time, the PWM1 that obtains staggering the time, PWM3, the PWM5 signal, then with the described PWM1 that staggers the time, PWM3, the PWM5 signal respectively negate and insert Dead Time after, the PWM2 that can obtain staggering the time, PWM4, the PWM6 signal amplifies the coupled inversion unit of rear drive with described six road pwm signals of staggering the time through isolating at last.The described drive method of staggering the time has avoided each that utmost point stator winding is begun energising simultaneously, and the impulse current of dc capacitor in the time of can reducing stator winding electrifying effectively reduces the capacity requirement to direct current power electric capacity.
Claims (2)
1. permanent-magnetic synchronous motor stator winding drive device of staggering the time, its composition comprises: motor shaft, described motor shaft connects resolver outward, the coaxial connection p-m rotor of described resolver, it is characterized in that: described p-m rotor is 8 pairs of utmost points, every pair of extremely described p-m rotor has air gap outward stator is installed, three phase windings of every pair of extremely described stator are the separate connection inversion unit respectively, one of them described inversion unit connects master controller, all the other described inversion units connect assistant controller respectively, described inversion unit connects public direct-flow bus wire, described master controller connects described resolver, connects by the control wire harness between described master controller and the assistant controller.
2. the permanent-magnetic synchronous motor stator winding according to claim 1 drive device of staggering the time, it is characterized in that: described inversion unit and controller are positioned in the housing cavity of described stator, and described public direct-flow bus wire is arranged in the surface of shell of described stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202876120U CN201797413U (en) | 2010-08-10 | 2010-08-10 | Time-staggered independent driving device for stator winding of permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202876120U CN201797413U (en) | 2010-08-10 | 2010-08-10 | Time-staggered independent driving device for stator winding of permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201797413U true CN201797413U (en) | 2011-04-13 |
Family
ID=43852310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202876120U Expired - Fee Related CN201797413U (en) | 2010-08-10 | 2010-08-10 | Time-staggered independent driving device for stator winding of permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201797413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951072A (en) * | 2010-08-10 | 2011-01-19 | 哈尔滨理工大学 | Time-staggering independent-drive device and method for stator windings of permanent magnet synchronous motor |
| CN105958739A (en) * | 2016-06-01 | 2016-09-21 | 长沙学院 | Full harmonic wave torque permanent-magnet synchronous motor |
-
2010
- 2010-08-10 CN CN2010202876120U patent/CN201797413U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951072A (en) * | 2010-08-10 | 2011-01-19 | 哈尔滨理工大学 | Time-staggering independent-drive device and method for stator windings of permanent magnet synchronous motor |
| CN101951072B (en) * | 2010-08-10 | 2015-07-08 | 哈尔滨理工大学 | Time-staggering independent-drive device and method for stator windings of permanent magnet synchronous motor |
| CN105958739A (en) * | 2016-06-01 | 2016-09-21 | 长沙学院 | Full harmonic wave torque permanent-magnet synchronous motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202918232U (en) | Soft start control system for high-speed brushless direct-current motor | |
| CN104716786B (en) | The many drive control integrating devices of high current permagnetic synchronous motor | |
| CN103401486B (en) | With the AC servo drive for double motors of UPS power cut-off information protection | |
| RU2376158C2 (en) | Electromechanical transmission | |
| Cai et al. | Modeling and simulation of BLDC motor in electric power steering | |
| CN201022185Y (en) | Electromotor controller | |
| CN201797413U (en) | Time-staggered independent driving device for stator winding of permanent magnet synchronous motor | |
| CN102403948A (en) | Permanent-magnet alternating current servo motor for electric vehicle and controller thereof | |
| CN203340006U (en) | A high-speed large-power brushless DC motor | |
| CN108288929A (en) | The air-conditioner control system in its hotel of the conversion circuit plate and application of BLDC motors | |
| CN102004198A (en) | Double-axis feedback low-voltage alternating current variable frequency electric transmission test system and method | |
| CN102377309B (en) | Brushless motor for electric vehicle | |
| CN2925014Y (en) | AC motor controller for hybrid power car | |
| CN103107622A (en) | Motor winding and electronic power switch combination assembly capable of switching output state | |
| CN101951072B (en) | Time-staggering independent-drive device and method for stator windings of permanent magnet synchronous motor | |
| CN201659899U (en) | Structure and combination of dynamic control system and electronic control system of forklift truck | |
| CN201805339U (en) | Brushless motor for electric automobile | |
| CN204442103U (en) | Big current permagnetic synchronous motor many drived control integrating device | |
| CN103208897B (en) | Brshless DC motor | |
| GB201105563D0 (en) | Energy storage system | |
| CN201909712U (en) | Double-shaft alternating current frequency conversion power transmission testing system | |
| CN203057050U (en) | Electromagnetic torque ripple inhibition device for brushless direct current motor | |
| CN208285235U (en) | The conversion circuit plate of BLDC motor and the air-conditioner control system in the hotel using it | |
| CN203278720U (en) | Port reusing circuit of microprocessor and applied direct-current brushless motor of port reusing circuit | |
| CN203326944U (en) | DSP-based six-phase induction motor controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20120810 |