CN202550950U - Intelligent power module (IPM)-based frequency control permanent magnet synchronous motor (PMSM) - Google Patents
Intelligent power module (IPM)-based frequency control permanent magnet synchronous motor (PMSM) Download PDFInfo
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- CN202550950U CN202550950U CN2011204861660U CN201120486166U CN202550950U CN 202550950 U CN202550950 U CN 202550950U CN 2011204861660 U CN2011204861660 U CN 2011204861660U CN 201120486166 U CN201120486166 U CN 201120486166U CN 202550950 U CN202550950 U CN 202550950U
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- permanent magnet
- ipm
- rotor
- frequency control
- synchronous motor
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Abstract
The utility model relates to a motor system and particularly relates to a permanent magnet motor, which is an intelligent power module (IPM)-based frequency control permanent magnet synchronous motor (PMSM). The IPM-based frequency control PMSM comprises a permanent magnet motor main body and a speed regulation control system. The speed regulation control system comprises an IPM module, a micro-processor system, a rotating speed sensor for detecting the rotating speed of the motor, and a position sensor for detecting the position of a rotor. The rotating speed sensor and the position sensor are respectively connected with the micro-processor system. The micro-processor system is connected with the control end of the IPM module. The IPM module is connected with the current input end of the permanent magnet motor main body. Due to the adoption of the above technical proposal, the IPM-based frequency control PMSM has the advantages of compact and simple structure, stable and reliable speed regulation performances, and the like.
Description
Technical field
The utility model relates to electric system, is specifically related to a kind of motor.
Background technology
Magneto has that cost is low, energy consumption is little, simple in structure, characteristics such as failure rate is low, and it uses more and more widely.Magneto comprises rotor and stator mostly.Be placed with a large amount of magnetic links on the rotor, stator is provided with magnet exciting coil.The magnetic force that magnet exciting coil produces and the magnetic force of magnetic links itself produce active force, and then realize the rotation of rotor.
Permagnetic synchronous motor is compared with direct current machine, and it does not have mechanical commutator and brush; Compare with asynchronous machine, it does not need idle exciting current, and for equal capacity output, its power factor is higher, because of its no rotor loss, so efficient is also higher, and does not have the rotor heating problem.
The speed-adjusting and control system of existing permagnetic synchronous motor adopts rotor flux linkage orientation control usually, and there are shortcomings such as complex structure, production cost height in existing speed-adjusting and control system.
The utility model content
The purpose of the utility model is, a kind of permagnetic synchronous motor based on the IPM frequency control is provided, to solve the problems of the technologies described above.
The technical problem that the utility model solved can adopt following technical scheme to realize:
Permagnetic synchronous motor based on the IPM frequency control; Comprise that a magneto main body, is used for the speed-adjusting and control system of speed governing; It is characterized in that; Said speed-adjusting and control system comprises that speed probe, that an IPM module, a microprocessor system, are used to detect motor speed is used for the position transducer of detection rotor position; Said speed probe, position transducer connect said microprocessor system respectively, and said microprocessor system connects the control end of said IPM module, and said IPM module connects the current input terminal of said magneto main body.
The utility model adopts the frequency conversion speed-adjusting system based on IPM module and microprocessor system; Speed probe and position transducer detect motor speed and rotor-position respectively; And send rotary speed information and positional information to the microprocessor system respectively, after the microprocessor system handles, according to the running status of current magneto main body; Transmit control signal for the IPM module, the IPM module is according to the electric power thus supplied of control signal control magneto main body.Adopt aforesaid way, the integrated level of frequency control and intelligent degree are improved, and structure is also compact, simple.In addition, adopt the control IPM of microprocessor system module, make the performance of speed-adjusting and control system and reliability improve greatly, shortened the construction cycle of control system, improved competitiveness of product.
Said microprocessor system connects said IPM module through one drive circuit.The preferred optical couple isolation drive circuit of said drive circuit.The microprocessor system with six road pwm pulse signals, through optical couple isolation drive circuit, controls the IPM module with control system, thereby realizes the power supply to the magneto main body.Above-mentioned design makes speed-adjusting and control system operating temperature, reliable, has the better controlling effect.
Said speed probe preferably adopts shaft encoder, and said shaft encoder is arranged on the motor shaft of said magneto main body.
Said position transducer preferably adopts photoelectric code disk, and said photoelectric code disk is arranged on the motor shaft of said magneto main body.So that the initial position of rotor to the magneto main body positions.
Said speed probe and said position transducer also can be integrated into rotating speed, the position transducer that a rotating speed and position can both be realized, rotating speed, position transducer connect said microprocessor system.
Comprise that also one is used to detect the Hall element of the stator current of said magneto main body, said Hall element connects said microprocessor system.In order to consider conversion speed and accuracy; Hall element sends stator current information to the microprocessor system; The microprocessor system in conjunction with information such as rotor-position, rotor speeds, transmits control signal to the IPM module according to the stator current information of reality.
Said magneto main body comprises stator, rotor; Said stator comprises that stator core is fixed with permanent magnet with being wrapped on the magnet exciting coil outside the said stator core, the said rotor; Said permanent magnet is at least four; At least four permanent magnets evenly are arranged on the said rotor, form the built-in type rotor structure.
Evenly being arranged on said epitrochanterian at least four permanent magnets is one deck permanent magnet; Can comprise two-layer at least permanent magnet on the said rotor, one deck permanent magnet is in the inboard of another layer permanent magnet.
The said permanent magnet of in one deck permanent magnet each can adopt arcuate structure, and the permanent magnet of four arcuate structures evenly is arranged on the said rotor, and opening direction is towards the said rotor outside.The rotor structure of above-mentioned design had both had the characteristics that low-speed performance is good, torque density is big, had again that weak magnetic-capacity is prone to, the advantage of speed-regulating range width, in conjunction with said speed-adjusting and control system, can realize the good governor control characteristics of magneto main body.
On the opening direction outside rotor of arc-shaped permanent magnet, can also be provided with auxiliary through hole; So that the waveform of control air-gap field, the weight that alleviates rotor, minimizing centrifugal force; Mechanical performance when further improving high-speed cruising, the colleague also effectively reduces the vibrations and the noise of the utility model.
Beneficial effect: owing to adopted technique scheme, advantage such as the utility model system configuration is compact, simple, and speed adjusting performance is stable, reliable.
Description of drawings
Fig. 1 is the circuit diagram of the speed-adjusting and control system of the utility model;
Fig. 2 is a kind of structural representation of the utility model rotor;
Fig. 3 is the another kind of structural representation of the utility model rotor.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand with effect and understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1; Permagnetic synchronous motor based on the IPM frequency control; Comprise that a magneto main body 1, is used for the speed-adjusting and control system of speed governing; Speed-adjusting and control system comprises that speed probe 31, that an IPM module 2, a microprocessor system 3, are used to detect motor speed is used for the position transducer 32 of detection rotor position; Speed probe 31, position transducer 32 connect microprocessor system 3 respectively, and microprocessor system 3 connects the control end of IPM module 2, and IPM module 2 connects the current input terminal of magneto main body 1.The utility model adopts the frequency conversion speed-adjusting system based on IPM module 2 and microprocessor system 3; Speed probe 31 detects motor speed and rotor-position respectively with position transducer 32; And send rotary speed information and positional information to microprocessor system 3 respectively, after microprocessor system 3 handles, according to the running status of current magneto main body 1; Transmit control signal for IPM module 2, IPM module 2 is according to the electric power thus supplied of control signal control magneto main body 1.Adopt aforesaid way, the integrated level of frequency control and intelligent degree are improved, and structure is also compact, simple.In addition, adopt microprocessor system 3 control IPM modules 2, make the performance of speed-adjusting and control system and reliability improve greatly, shortened the construction cycle of control system, improved competitiveness of product.
The speed probe 31 preferred shaft encoders that adopt, shaft encoder is arranged on the motor shaft of magneto main body 1.The position transducer 32 preferred photoelectric code disks that adopt, photoelectric code disk is arranged on the motor shaft of magneto main body 1.So that the initial position of rotor to magneto main body 1 positions.Speed probe 31 and position transducer 32 also can be integrated into rotating speed, the position transducer 32 that a rotating speed and position can both be realized, rotating speed, position transducer 32 connection microprocessor systems 3.
Comprise that also one is used to detect the Hall element 33 of the stator current of magneto main body 1, Hall element 33 connects microprocessor systems 3.In order to consider conversion speed and accuracy; Hall element 33 sends stator current information to microprocessor system 3; Microprocessor system 3 in conjunction with information such as rotor-position, rotor speeds, transmits control signal to IPM module 2 according to the stator current information of reality.
With reference to Fig. 2, Fig. 3; Magneto main body 1 comprises stator, rotor 5; Stator comprises on the stator core magnet exciting coil outer with being wrapped in stator core, the rotor 5 and is fixed with permanent magnet 6, and rotor 5 can adopt silicon steel sheet, and permanent magnet 6 is at least four; At least four permanent magnets 6 evenly are arranged on the rotor 5, form built-in type rotor 5 structures.Permanent magnet 6 can adopt arcuate structure, and the permanent magnet 6 of four arcuate structures evenly is arranged on the rotor 5, and opening direction is towards rotor 5 outsides.Rotor 5 structures of above-mentioned design had both had the characteristics that low-speed performance is good, torque density is big, had again that weak magnetic-capacity is prone to, the advantage of speed-regulating range width, in conjunction with speed-adjusting and control system, can realize the good governor control characteristics of magneto main body 1.
With reference to Fig. 2, at least four permanent magnets 6 that evenly are arranged on the rotor 5 are one deck permanent magnet.With reference to Fig. 3, can comprise two-layer at least permanent magnet on the rotor 5, one deck permanent magnet is in the inboard of another layer permanent magnet.
On the opening direction outside rotor of arc-shaped permanent magnet, can also be provided with auxiliary through hole 51; So that the waveform of control air-gap field, the weight that alleviates rotor, minimizing centrifugal force; Mechanical performance when further improving high-speed cruising, the colleague also effectively reduces the vibrations and the noise of the utility model.
More than show and described basic principle of the utility model and the advantage of principal character and the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection range to be defined by appending claims and equivalent thereof.
Claims (9)
1. based on the permagnetic synchronous motor of IPM frequency control; Comprise that a magneto main body, is used for the speed-adjusting and control system of speed governing; It is characterized in that; Said speed-adjusting and control system comprises that speed probe, that an IPM module, a microprocessor system, are used to detect motor speed is used for the position transducer of detection rotor position; Said speed probe, position transducer connect said microprocessor system respectively, and said microprocessor system connects the control end of said IPM module, and said IPM module connects the current input terminal of said magneto main body.
2. the permagnetic synchronous motor based on the IPM frequency control according to claim 1 is characterized in that: said microprocessor system connects said IPM module through one drive circuit; Said drive circuit adopts optical couple isolation drive circuit.
3. the permagnetic synchronous motor based on the IPM frequency control according to claim 1 is characterized in that: said speed probe adopts shaft encoder, and said shaft encoder is arranged on the motor shaft of said magneto main body.
4. the permagnetic synchronous motor based on the IPM frequency control according to claim 1 is characterized in that: said position transducer adopts photoelectric code disk, and said photoelectric code disk is arranged on the motor shaft of said magneto main body.
5. the permagnetic synchronous motor based on the IPM frequency control according to claim 1 is characterized in that: comprise that also one is used to detect the Hall element of the stator current of said magneto main body, said Hall element connects said microprocessor system.
6. according to any described permagnetic synchronous motor in the claim 1 to 5 based on the IPM frequency control; It is characterized in that: said magneto main body comprises stator, rotor; Said stator comprises that stator core is fixed with permanent magnet with being wrapped on the magnet exciting coil outside the said stator core, the said rotor; Said permanent magnet is at least four, and at least four permanent magnets evenly are arranged on the said rotor, forms the built-in type rotor structure.
7. the permagnetic synchronous motor based on the IPM frequency control according to claim 6 is characterized in that: evenly being arranged on said epitrochanterian at least four permanent magnets is one deck permanent magnet; Comprise two-layer at least permanent magnet on the said rotor, one deck permanent magnet is in the inboard of another layer permanent magnet.
8. the permagnetic synchronous motor based on the IPM frequency control according to claim 7; It is characterized in that: the said permanent magnet of each in one deck permanent magnet adopts arcuate structure; The permanent magnet of four arcuate structures evenly is arranged on the said rotor, and opening direction is towards the said rotor outside.
9. the permagnetic synchronous motor based on the IPM frequency control according to claim 8 is characterized in that: on the opening direction outside rotor of arc-shaped permanent magnet, also be provided with auxiliary through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204861660U CN202550950U (en) | 2011-11-29 | 2011-11-29 | Intelligent power module (IPM)-based frequency control permanent magnet synchronous motor (PMSM) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204861660U CN202550950U (en) | 2011-11-29 | 2011-11-29 | Intelligent power module (IPM)-based frequency control permanent magnet synchronous motor (PMSM) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202550950U true CN202550950U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204861660U Expired - Fee Related CN202550950U (en) | 2011-11-29 | 2011-11-29 | Intelligent power module (IPM)-based frequency control permanent magnet synchronous motor (PMSM) |
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| Country | Link |
|---|---|
| CN (1) | CN202550950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949193A (en) * | 2015-06-02 | 2015-09-30 | 山东琅卡博能源科技股份有限公司 | Wireless remote energy-saving heating control system |
| CN105020453A (en) * | 2015-06-02 | 2015-11-04 | 山东琅卡博能源科技股份有限公司 | Intelligent and dynamic controller for thermostat valve |
-
2011
- 2011-11-29 CN CN2011204861660U patent/CN202550950U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949193A (en) * | 2015-06-02 | 2015-09-30 | 山东琅卡博能源科技股份有限公司 | Wireless remote energy-saving heating control system |
| CN105020453A (en) * | 2015-06-02 | 2015-11-04 | 山东琅卡博能源科技股份有限公司 | Intelligent and dynamic controller for thermostat valve |
| CN104949193B (en) * | 2015-06-02 | 2017-07-18 | 山东琅卡博能源科技股份有限公司 | Wireless remote energy-saving heating control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20171129 |