CN205407636U - Alternating -current permanent -magnet synchronous machine detects control system - Google Patents
Alternating -current permanent -magnet synchronous machine detects control system Download PDFInfo
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- CN205407636U CN205407636U CN201620177537.XU CN201620177537U CN205407636U CN 205407636 U CN205407636 U CN 205407636U CN 201620177537 U CN201620177537 U CN 201620177537U CN 205407636 U CN205407636 U CN 205407636U
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- magnet synchronous
- synchronous motor
- permanent magnet
- phase inverter
- controller
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Abstract
The utility model relates to an alternating -current permanent -magnet synchronous machine detects control system. Its purpose is in order to provide a simple structure, accurate, the strong alternating -current permanent -magnet synchronous machine detects control system of stability of detected signal. The utility model discloses an alternating -current permanent -magnet synchronous machine, voltage changer, three -phase inverter, angle displacement sensor, speed sensor, rotary encoder and controller. The feeder ear is gone into to the voltage input termination of voltage changer, and three -phase inverter's output and unsteady flow PMSM's feeding end connection are connected to the voltage output end of voltage changer with three -phase inverter's input. Be provided with angle displacement sensor, speed sensor and rotary encoder on alternating -current permanent -magnet synchronous machine's the rotor, angle displacement sensor, speed sensor and rotary encoder's signal output part is connected with the signal reception end of controller, and the control signal output part of controller is connected with voltage changer and synchronous machine 1's control end respectively.
Description
Technical field
This utility model relates to ac motor field, particularly relates to a kind of AC permanent magnet synchronous motor detecting and controlling system.
Background technology
At present, in industry manufacture field, motor serves considerable effect, and electric energy is effectively quickly converted to the mechanical energy required for commercial production by it, has significantly promoted the development and progress of industrial technology.But, under the society environment of energy worsening shortages, the electric energy of electrical consumption exceedes the half of electrical network output electric energy.The appearance of this situation, it is owing to the middle-size and small-size electric motor operation of people's daily life is inefficient on the one hand, it is on the other hand operate under the duty of zero load or underloading owing to the heavy mechanical equipment of many enterprises frequently appears in, so the duty of motor being detected and controlling the necessary means being to improve electric motor operation efficiency.In existing motor, AC permanent magnet synchronous motor is due to self higher power density and wider speed adjustable range, make it more and more wider in range of application and frequency, prospect is very wide, but it is low to there is again control accuracy in AC permanent magnet synchronous motor, the problems such as detection signal is inaccurate, AC Permanent Synchronous Motor Controller as disclosed in CN102064753A, AC permanent magnet synchronous motor is adopted single channel detection, detection signal accuracy is low, directly power inverter is controlled by software controller, output current signal can be subject to the interference of clutter or other waveform, stability of waveform is poor.Therefore, AC permanent magnet synchronous motor is detected and control is top priority,
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple in construction, the detection AC permanent magnet synchronous motor detecting and controlling system that signal is accurate, stability is strong.
This utility model AC permanent magnet synchronous motor detecting and controlling system, wherein, including AC permanent magnet synchronous motor, voltage changer, commutator, three-phase inverter and controller, the voltage input end of voltage changer accesses feeder ear, the outfan of voltage changer is connected with the input of commutator, the outfan of commutator is connected with the input of three-phase inverter, the outfan of three-phase inverter is connected with the feeder ear of unsteady flow permagnetic synchronous motor, the rotor of AC permanent magnet synchronous motor is provided with angular displacement sensor, speed probe and rotary encoder, angular displacement sensor, the signal output part of speed probe and rotary encoder is all connected with the signal receiving end of controller, the control signal outfan of controller is connected with the control end of voltage changer and three-phase inverter respectively.
This utility model AC permanent magnet synchronous motor detecting and controlling system, is provided with DC filter between wherein said commutator device and three-phase inverter.
This utility model AC permanent magnet synchronous motor detecting and controlling system, is provided with alternating current filter between wherein said three-phase inverter and AC permanent magnet synchronous motor.
This utility model AC permanent magnet synchronous motor detecting and controlling system, wherein said feeder ear is civil power.
This utility model AC permanent magnet synchronous motor detecting and controlling system, wherein said controller is singlechip controller.
This utility model AC permanent magnet synchronous motor detecting and controlling system difference from prior art is in that: AC permanent magnet synchronous motor is powered after sequentially passing through voltage changer, commutator and three-phase inverter by this utility model supply current, DC filter it is provided with between commutator and three-phase inverter, alternating current filter it is provided with between three-phase inverter and AC permanent magnet synchronous motor, supply current can be carried out double-smoothing, eliminate the interference of clutter and other signals in supply current, it is ensured that AC permanent magnet synchronous motor is carried out steady electricity supply.By angular displacement sensor, speed probe and rotary encoder, the data of AC permanent magnet synchronous motor are acquired, and be analyzed by controller, ensure the accuracy of data such that it is able to whether AC permanent magnet synchronous motor is operated in normal state and carries out real-time judge.Also can respectively voltage changer and three-phase inverter be controlled by controller, thus the duty of voltage changer and three-phase inverter is adjusted, it is ensured that the stability of AC permanent magnet synchronous motor work.
Below in conjunction with accompanying drawing, this utility model AC permanent magnet synchronous motor detecting and controlling system is described further.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of this utility model AC permanent magnet synchronous motor detecting and controlling system.
Detailed description of the invention
As it is shown in figure 1, be the structured flowchart of this utility model AC permanent magnet synchronous motor detecting and controlling system, including AC permanent magnet synchronous motor 1, voltage changer 3, commutator 11, three-phase inverter 2 and controller 9.The input of voltage changer 3 accesses the civil power 10 of 50HZ, the outfan of voltage changer 3 is connected with the input of commutator 11, the outfan of commutator 11 is connected with the input of three-phase inverter 2, the outfan of three-phase inverter 2 is connected with the feeder ear of unsteady flow permagnetic synchronous motor 1, between commutator 11 and three-phase inverter 2, it is provided with DC filter 4, between three-phase inverter 2 and AC permanent magnet synchronous motor 1, is provided with alternating current filter 5.The rotor of AC permanent magnet synchronous motor 1 is provided with angular displacement sensor 6, speed probe 7 and rotary encoder 8, the signal output part of angular displacement sensor 6, speed probe 7 and rotary encoder 8 is all connected with the signal receiving end of controller 9, the control signal outfan of controller 9 is connected with the control end of voltage changer 3 and three-phase inverter 2 respectively, and the information that controller 9 is sent by acceptance angle displacement transducer 6, speed probe 7 and rotary encoder 8 is thus being controlled the duty of voltage changer 3 and three-phase inverter 2.
The controller 9 adopted in an embodiment of the present utility model is singlechip controller.
Operation principle of the present utility model is: the civil power 10 of 50HZ enters commutator 11 after voltage changer 3 transformation and carries out rectification, unidirectional current after rectification enters three-phase inverter 2 and carries out inversion, by DC filter 4, unidirectional current was filtered before entering three-phase inverter 2, it is prevented that the interference of clutter and other signals.Alternating current after inversion is filtered again through alternating current filter 5, and waveform is further optimized, and improves the power supply quality to AC permanent magnet synchronous motor 1.It is powered by the three-phase windings that the electric current of alternating current filter 5 is AC permanent magnet synchronous motor 1, magnetic field interaction produced by the rotating excitation field of three-phase current synthesis and the rotor of AC permanent magnet synchronous motor 1 produces torque, thus rotor driven synchronous rotary, angular displacement sensor 6 and speed probe 7 directly gather the momentary rotational angle degree of rotor and the rotating speed in the unit interval, and the data collected are transferred to controller 9；Rotary encoder 8 gathers position of rotation and the rotation amount of rotor, the data collected are also transmitted to controller 9, the data that the data that angular displacement sensor 6 and speed probe 7 can be collected by controller 9 and rotary encoder 8 collect compare, if adopting the rotor data match that two ways collects, then proving angular displacement sensor 6, speed probe 7 and rotary encoder 8 all normal operation, data are reliable；If adopting the rotor data that two ways collects not match that, the timely diagonal displacement sensor 6 of staff, speed probe 7 and rotary encoder 8 carry out maintenance and inspection, find out the device of damage, it is determined that correct data, thus ensure that the accuracy gathering data.By controller 9, voltage changer 3 is controlled in the course of the work, adjusts the output voltage of voltage changer 3 in real time, thus the rotating speed of AC permanent magnet synchronous motor 1 is controlled.Three-phase inverter 2 is also controlled by controller 9, adjust output current frequency and the phase place of three-phase inverter 2 in real time, make the position relationship that the stator of AC permanent magnet synchronous motor 1 and the magnetic potential of rotor remain stable for, thus producing constant torque, thus ensureing the stability that AC permanent magnet synchronous motor 1 works.
This utility model AC permanent magnet synchronous motor detecting and controlling system, AC permanent magnet synchronous motor 1 is powered after sequentially passing through voltage changer 3, commutator 11 and three-phase inverter 2 by supply current, DC filter 4 it is provided with between commutator 11 and three-phase inverter 2, alternating current filter 5 it is provided with between three-phase inverter 2 and AC permanent magnet synchronous motor 1, supply current can be carried out double-smoothing, eliminate the interference of clutter and other signals in supply current, it is ensured that AC permanent magnet synchronous motor 1 is carried out steady electricity supply.By angular displacement sensor 6, speed probe 7 and rotary encoder 8, the data of AC permanent magnet synchronous motor 1 are acquired, and be analyzed by controller 9, ensure the accuracy of data such that it is able to whether AC permanent magnet synchronous motor 1 is operated in normal state and carries out real-time judge.Also can respectively voltage changer 3 and three-phase inverter 2 be controlled by controller 9, thus the duty of voltage changer 3 and three-phase inverter 2 is adjusted, it is ensured that the stability of AC permanent magnet synchronous motor 1 work.This utility model simple in construction, signal is accurate in detection, stability is strong, compared with prior art has clear advantage.
Embodiment described above is only that preferred implementation of the present utility model is described; not scope of the present utility model is defined; under the premise designing spirit without departing from this utility model; various deformation that the technical solution of the utility model is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that this utility model claims are determined.
Claims (5)
- null1. an AC permanent magnet synchronous motor detecting and controlling system，It is characterized in that: include AC permanent magnet synchronous motor (1)、Voltage changer (3)、Commutator (11)、Three-phase inverter (2) and controller (9)，The voltage input end of voltage changer (3) accesses feeder ear，The outfan of voltage changer (3) is connected with the input of commutator (11)，The outfan of commutator (11) is connected with the input of three-phase inverter (2)，The outfan of three-phase inverter (2) is connected with the feeder ear of unsteady flow permagnetic synchronous motor (1)，The rotor of AC permanent magnet synchronous motor (1) is provided with angular displacement sensor (6)、Speed probe (7) and rotary encoder (8)，Angular displacement sensor (6)、The signal output part of speed probe (7) and rotary encoder (8) is all connected with the signal receiving end of controller (9)，The control signal outfan of controller (9) is connected with the control end of voltage changer (3) and three-phase inverter (2) respectively.
- 2. AC permanent magnet synchronous motor detecting and controlling system according to claim 1, it is characterised in that: it is provided with DC filter (4) between described commutator (11) and three-phase inverter (2).
- 3. AC permanent magnet synchronous motor detecting and controlling system according to claim 1, it is characterised in that: it is provided with alternating current filter (5) between described three-phase inverter (2) and AC permanent magnet synchronous motor (1).
- 4. AC permanent magnet synchronous motor detecting and controlling system according to claim 1, it is characterised in that: described feeder ear is civil power (10).
- 5. AC permanent magnet synchronous motor detecting and controlling system according to claim 1, it is characterised in that: described controller (9) is singlechip controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620177537.XU CN205407636U (en) | 2016-03-09 | 2016-03-09 | Alternating -current permanent -magnet synchronous machine detects control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620177537.XU CN205407636U (en) | 2016-03-09 | 2016-03-09 | Alternating -current permanent -magnet synchronous machine detects control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205407636U true CN205407636U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620177537.XU Expired - Fee Related CN205407636U (en) | 2016-03-09 | 2016-03-09 | Alternating -current permanent -magnet synchronous machine detects control system |
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| Country | Link |
|---|---|
| CN (1) | CN205407636U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106933219A (en) * | 2017-05-02 | 2017-07-07 | 上海航天控制技术研究所 | The method of quick positioning drive control system of permanent magnet synchronous motor hardware and software failure |
| CN109059990A (en) * | 2018-08-02 | 2018-12-21 | 嘉兴市锐鹰传感技术有限公司 | A kind of the encoder detection calibration equipment and method of motor spinning |
-
2016
- 2016-03-09 CN CN201620177537.XU patent/CN205407636U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106933219A (en) * | 2017-05-02 | 2017-07-07 | 上海航天控制技术研究所 | The method of quick positioning drive control system of permanent magnet synchronous motor hardware and software failure |
| CN106933219B (en) * | 2017-05-02 | 2019-03-15 | 上海航天控制技术研究所 | The quickly method of positioning drive control system of permanent magnet synchronous motor hardware and software failure |
| CN109059990A (en) * | 2018-08-02 | 2018-12-21 | 嘉兴市锐鹰传感技术有限公司 | A kind of the encoder detection calibration equipment and method of motor spinning |
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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: 20160727 Termination date: 20170309 |