CN204993128U - New energy automobile PMSM controlling means - Google Patents
New energy automobile PMSM controlling means Download PDFInfo
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- CN204993128U CN204993128U CN201520803426.0U CN201520803426U CN204993128U CN 204993128 U CN204993128 U CN 204993128U CN 201520803426 U CN201520803426 U CN 201520803426U CN 204993128 U CN204993128 U CN 204993128U
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Abstract
The utility model relates to a motor control means, especially a new energy automobile PMSM controlling means. New energy automobile PMSM controlling means including DSP control chip, still includes main circuit module, drive module, detection module, protective film piece, CAN communication interface module, main circuit module is the three -phase inverting bridge that comprises IGBT, drive module is connected with main circuit module electricity, detection module is connected with main circuit module electricity, including electric current detection module, voltage detection module and rotational speed detection module, the protective film piece is connected with main circuit module electricity, including lacking looks protective film piece and overflowing the protective film piece, CAN communication interface module and main circuit module electricity are connected. The utility model discloses a just do not set up the protection circuit at drive module, additionally increased the protective film piece, carry out more comprehensive protection. Detect electric current, voltage and rotational speed through detection module, also the running situation of real time monitoring motor.
Description
Technical field
The utility model relates to electricity field, particularly relates to motor control assembly, particularly a kind of new-energy automobile permanent magnet synchronous motor control device.
Background technology
New-energy automobile has very high capacity usage ratio, and exhaust emissions is few, complies with the general orientation of present energy-saving and emission-reduction.And compared with traditional combustion engine automobile, new-energy automobile can obtain response speed and better control performance faster, electronic communication system easily can be carried simultaneously, the functions such as the mutual communication between intellectuality when realizing running car, the networking of traffic and automobile, and then can traffic accident be reduced, improve the fail safe of car steering.
Motor control assembly, as the core of drive system, is the core component ensureing electric automobile normal driving.Along with rare earth permanent-magnetic material is developed successfully, the development of magneto and control system thereof is accelerated greatly.Permagnetic synchronous motor has that structure is simple, efficiency is high, torque current than high, moment of inertia is low, power factor advantages of higher.Therefore it is higher to develop a kind of security performance, the Permanent Magnet Synchronous Motor Controller of relative inexpensiveness is significant.
Utility model content
The utility model is to provide the higher new-energy automobile permanent magnet synchronous motor control device of a kind of security performance, overcomes the deficiencies in the prior art.
For solving the problem, the technical solution adopted in the utility model is: new-energy automobile permanent magnet synchronous motor control device, comprise DSP (digitalsignalprocessor, digital signal processor) control chip, also comprise main circuit module, driver module, detection module, protection module, CAN (ControllerAreaNetwork, controller local area network) communication interface modules, described main circuit module is by IGBT (InsulatedGateBipolarTransistor, insulated gate bipolar transistor) three phase inverter bridge that forms, described driver module is electrically connected with main circuit module, described detection module is electrically connected with main circuit module, comprises current detection module, voltage detection module and Rotating speed measring module, described protection module is electrically connected with main circuit module, comprises open-phase protection module and overcurrent protection module, described CAN communication interface module and main circuit module electrical connection.Described driver module electrical connection DSP control chip, carries out process rear drive main circuit module by DSP control chip output signal.
Compared with prior art, the beneficial effect of this utility model is: not just in drive module setting protective circuit, adds additional protection module, more fully protect.By detection module, electric current, voltage and rotating speed are detected, also monitor the working order of motor in real time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark in figure:
1, DSP control chip; 2, driver module; 3, detection module; 4, main circuit module; 5, protection module; 6, CAN communication interface module.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further: new-energy automobile permanent magnet synchronous motor control device, comprise DSP control chip 1, also comprise main circuit module 4, driver module 2, detection module 3, protection module 5, CAN communication interface module 6, described main circuit module 4 is the three phase inverter bridge be made up of IGBT, and described driver module 2 is electrically connected with main circuit module 4; Described detection module 3 is electrically connected with main circuit module 4, comprises current detection module, voltage detection module and Rotating speed measring module; Described protection module 5 is electrically connected with main circuit module 4, comprises open-phase protection module and overcurrent protection module; Described CAN communication interface module 6 and main circuit module 4 are electrically connected.Described driver module 2 is electrically connected DSP control chip 1, and DSP control chip 1 output signal is carried out process rear drive main circuit module 4.
In this utility model, DSP control chip can adopt TMS320F2812 fixed-point dsp, complete SVPWM (SpaceVectorPulseWidthModulation, the different switching mode of three-phase inverter) function, the realization of vector control and electric current loop, speed ring scheduling algorithm.Main circuit module 4 adopts six IGBT to form three phase inverter bridge; if an IGBT damages in main circuit module 4; then whole motor control assembly will collapse; therefore high requirement is proposed to protective circuit; so only can not meet the demands in drive module setting protection, need additionally to arrange protection module 5.
Driver module 2 also will ensure the protective capability of drive circuit while ensureing driving force, because the anti-overload ability of IGBT is not high, so the driver module 2 of this IGBT will have perfect driving overcurrent protection function.TX-KA962 chip can be adopted to carry out the design of driver module, and the functions such as the time that TX-KA962 starts after can realizing regulating blind area time, the speed of soft switching, fault again, have good overcurrent protection function, meet the requirements.
Detection module 3 needs to gather motor three-phase current, spinner velocity and DC bus-bar voltage three parameters, and gathering three-phase current is to design open-phase protection circuit, and to gather bus current be to design current foldback circuit, to ensure that motor safety runs.And verify that the Rotating speed measring of motor is rotating speed in order to feed back motor thus realizes the velocity close-loop control of motor, prior thing obtains the parameter such as motor rotor position, rotor electrical degree by detection, to realize the accurate control to motor.
And the basic thought of protection module 5 is all actual signal compared with setting benchmark, comparator output level is overturn, thus obtains fault-signal.
The parameter that whole Electric Machine Control is arranged needs to be published in CAN network, so that other CAN node of new-energy automobile obtains Motor control parameters, can adopt the CAN transceiver of SN65HVD230 chip.
Compared with prior art, the beneficial effect of this utility model is: not just in drive module setting protective circuit, adds additional protection module, more fully protect.By detection module, electric current, voltage and rotating speed are detected, also monitor the working order of motor in real time, improve New energy automobile motor overall performance, and then reduce traffic accident, greatly promote the fail safe that new-energy automobile is driven.
The above is only preferred embodiment of the present utility model, is not restriction the utility model being made to other form.Any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to structure of the present utility model and operation principle, still belong to the protection range of technical solutions of the utility model.
Claims (2)
1. new-energy automobile permanent magnet synchronous motor control device, comprise DSP control chip, it is characterized in that: also comprise main circuit module, driver module, detection module, protection module, CAN communication interface module, described main circuit module is the three phase inverter bridge be made up of IGBT, and described driver module is electrically connected with main circuit module; Described detection module is electrically connected with main circuit module, comprises current detection module, voltage detection module and Rotating speed measring module; Described protection module is electrically connected with main circuit module, comprises open-phase protection module and overcurrent protection module; Described CAN communication interface module and main circuit module electrical connection.
2. new-energy automobile permanent magnet synchronous motor control device according to claim 1, is characterized in that: described driver module electrical connection DSP control chip, and DSP control chip output signal is carried out process rear drive main circuit module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520803426.0U CN204993128U (en) | 2015-10-16 | 2015-10-16 | New energy automobile PMSM controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520803426.0U CN204993128U (en) | 2015-10-16 | 2015-10-16 | New energy automobile PMSM controlling means |
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| Publication Number | Publication Date |
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| CN204993128U true CN204993128U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520803426.0U Active CN204993128U (en) | 2015-10-16 | 2015-10-16 | New energy automobile PMSM controlling means |
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| CN (1) | CN204993128U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533307A (en) * | 2016-12-28 | 2017-03-22 | 南京理工大学 | Permanent magnet synchronous motor vector decoupling controller for electromobile based on DSP (Digital Signal Processor) |
| CN109617460A (en) * | 2018-12-28 | 2019-04-12 | 南京越博动力***股份有限公司 | A kind of electric machinery control device based on vector controlled |
-
2015
- 2015-10-16 CN CN201520803426.0U patent/CN204993128U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533307A (en) * | 2016-12-28 | 2017-03-22 | 南京理工大学 | Permanent magnet synchronous motor vector decoupling controller for electromobile based on DSP (Digital Signal Processor) |
| CN109617460A (en) * | 2018-12-28 | 2019-04-12 | 南京越博动力***股份有限公司 | A kind of electric machinery control device based on vector controlled |
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