CN104943562A - Automobile grade permanent magnet synchronous motor controller suitable for electric automobile - Google Patents
Automobile grade permanent magnet synchronous motor controller suitable for electric automobile Download PDFInfo
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- CN104943562A CN104943562A CN201510370371.3A CN201510370371A CN104943562A CN 104943562 A CN104943562 A CN 104943562A CN 201510370371 A CN201510370371 A CN 201510370371A CN 104943562 A CN104943562 A CN 104943562A
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- control unit
- housing
- permanent magnet
- synchronous motor
- magnet synchronous
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses an automobile grade permanent magnet synchronous motor controller suitable for an electric automobile. The automobile grade permanent magnet synchronous motor controller comprises a control unit arranged in a shell with a sealing cover. The power input end of the control unit is connected with an automobile 12 V direct current power source through a power isolation module. A signal interface of the control unit is arranged on the side wall of the shell, is used for being connected with a controller VCU through a can bus, a calibration upper computer with the parameter calibration function and the program downloading function through a calibration can bus, and the signal output end of a rotary transformer arranged on a permanent magnet synchronous motor shaft through a signal line. The automobile grade permanent magnet synchronous motor controller has the advantages that an automobile grade power module and an automobile grade control chip are adopted, electromagnetic compatibility is fully considered, the structure is simple and compact, assembly is easy, productization of design of all the parts is easy, and high safety, stability and reliability are achieved.
Description
Technical field
The present invention relates to electronlmobil, especially relate to the automotive grade Permanent Magnet Synchronous Motor Controller being suitable for electronlmobil.
Background technology
Traditional Over Electric Motor with PMSM controller adopts industrial grade modular design, its power model have employed industrial grade device layout, greatly reduce stability and the reliability of vehicle motor controller, but when high-power applications occasion, this controller easily damages and causes vehicle trouble multiple, and level of security is lower, the demand of electronlmobil high stable and high reliability can not be met.Along with the development of Power Electronic Technique and the development of new-energy automobile control system, increasing automotive grade driver module and device are tending towards ripe and volume production, and important foundation established by the automotive grade electric machine controller therefore for developing high reliability, high stability and high security.
Summary of the invention
The object of the invention is to provide a kind of automotive grade Permanent Magnet Synchronous Motor Controller being suitable for electronlmobil.
For achieving the above object, the present invention takes following technical proposals:
The automotive grade Permanent Magnet Synchronous Motor Controller being suitable for electronlmobil of the present invention, comprises the control unit be arranged on in the housing of seal cover cap; Described control unit power input is connected with vehicle-mounted 12V direct supply through power isolation module; The signaling interface of control unit is arranged on the sidewall of housing, and signaling interface is connected with the demarcation upper computer carrying out parameter calibration and download program function for being connected with entire car controller VCU respectively by can bus, by demarcating can bus, being connected with the signals of rotating transformer mouth be arranged on permanent magnet synchronous electric arbor by signal wire (SW); Another sidewall of housing is provided with the high voltage interface for being connected with permagnetic synchronous motor three-phase power input end, described high voltage interface input end is connected with the power model be fixed in housing by busbar, described power model input control end is connected with the output control terminal of control unit through PWM driver module, and the power input of power model is connected with the positive and negative electrode of on-board high-voltage lithium cell group through filter capacitor, the connection terminal be fixed in housing sidewall; The current transducer signal mouth be sleeved on busbar is connected with signaling interface; The radiator of power model is arranged in the sealed cistern of housing bottom, and the water-in and water-out adaptor union of described sealed cistern is arranged on the sidewall of housing; Control unit is fixed in housing by pallet, and PWM driver module is welded on power model.
Described control unit comprises 32 embedded microcontrollers, and the communication interface of described 32 embedded microcontrollers is connected with described signaling interface by can bus isolation circuit, can bus driving circuits; The signal input interface of 32 embedded microcontrollers is connected with signaling interface by magslip buffer circuit, magslip decoding circuit, and is connected with signaling interface with analog quantity acquisition circuit by analog quantity buffer circuit; The output control terminal of 32 embedded microcontrollers drives logic to be connected with PWM driver module input end with buffer circuit by PWM.
The invention has the advantages that and adopt automotive grade power model and automotive grade security control chip, taken into full account electromagnetic compatibility simultaneously, simple and compact for structure being easy to is assembled, and each part design is easy to commercialization, and has higher safety, stability and reliability.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present invention.
Fig. 2 is the schematic block circuit diagram of control unit described in Fig. 1.
Fig. 3 is that axle of the present invention surveys mounting structure schematic diagram.
Detailed description of the invention
As Figure 1-3, the automotive grade Permanent Magnet Synchronous Motor Controller being suitable for electronlmobil of the present invention, comprises the control unit 3 be arranged on in the housing 2 of seal cover cap 1; Described control unit 3 power input is connected with vehicle-mounted 12V direct supply through power isolation module; The signaling interface 4 of control unit 3 is arranged on the sidewall of housing 2, and signaling interface 4 is connected with the demarcation upper computer carrying out parameter calibration and download program function for being connected with entire car controller VCU respectively by can bus, by demarcating can bus, being connected with the signals of rotating transformer mouth be arranged on permanent magnet synchronous electric arbor by signal wire (SW); Another sidewall of housing 2 is provided with the high voltage interface 5 for being connected with permagnetic synchronous motor three-phase power input end, described high voltage interface 5 input end is connected with the power model 7 be fixed in housing 2 by busbar 6, described power model 7 input control end is connected through the output control terminal of PWM driver module 8 with control unit 3, and the power input of power model 7 is connected with the positive and negative electrode of on-board high-voltage lithium cell group through filter capacitor 9, the connection terminal 10 be fixed on housing 2 sidewall; Current transformer 11 signal output part be sleeved on busbar 6 is connected with signaling interface 4; The radiator of power model 7 is arranged in the sealed cistern 12 bottom housing 2, and the water-in and water-out adaptor union 13,14 of described sealed cistern 12 is arranged on the sidewall of housing 2; Control unit 3 is fixed in housing 2 by pallet, and PWM driver module 8 is welded on power model 7.
Described control unit 3 adopts 32 embedded microcontrollers, and the communication interface of described 32 embedded microcontrollers is connected with described signaling interface 4 by can bus isolation circuit, can bus driving circuits; The signal input interface of 32 embedded microcontrollers is connected with signaling interface 4 by magslip buffer circuit, magslip decoding circuit, and is connected with signaling interface 4 with analog quantity acquisition circuit by analog quantity buffer circuit; The output control terminal of 32 embedded microcontrollers drives logic to be connected with PWM driver module input end with buffer circuit by PWM.
Principle of design of the present invention is summarized as follows:
1, automotive grade power model 7 adopts HP II power model of Infineon, being embedded into by the radiator of automotive grade power model 7 in tank 12 is also fixed on bottom housing 2 with seal ring and screw,, the recycle heat produced when controller and power model 7 being worked sheds, and optimizes cooling performance;
2, PWM driver module 8 adopts the special power driver module of concept company, be welded direct on automotive grade power model 7, filter capacitor 9 adopts the 600V high voltage thin film electric capacity of farad, can bear very large ripple current, filter capacitor 9 wherein 6 pins is directly fixed on automotive grade power model 7;
3, high voltage interface 5 adopts the automotive grade adaptor union of Amphenol, and high voltage interface 5 is connected with automotive grade power model 7 by busbar 6, and high voltage interface 5 is fixed on housing 2 sidewall, structure adopts high direct voltage and ac high-voltage apart arrangement, avoids mutual interference;
4, busbar 6 selects the red copper row that electric conductivity is excellent, tensile strength is high, busbar 6 sectional area 20mm
2, by 480A electric current, current transformer 11 adopts the 5V automotive grade current sensor of LEM, comprise bus current sensor and phase current sensor, current transformer 11 is fixed on busbar 6, and control unit 3 is fixed on pallet, isolates with PWM driver module 8; Control unit 3 master chip adopts the double-core automobile level controller chip MPC5744P(32 position embedded microcontroller meeting ISO 26262 standard and meet accreditation), include PWM drive circuit, magslip decoding circuit, analog quantity acquisition circuit, digital quantity acquiring circuit, reset circuit, clock circuit, current foldback circuit, overvoltage crowbar, can communication driving circuit, EEPROM memory circuit; Wherein PWM drive circuit, magslip decoding circuit, digital quantity acquiring circuit and can communication driving circuit all adopt photoelectric isolating circuit;
5, signaling interface 4 adopts circuit card straight way out, does not need cabling, and with high voltage interface 5 apart arrangement on the different lateral of housing 2, avoids mutual interference; The structure of housing 2 adopts aluminum alloy materials, designs according to IP67 degree of protection.
6, demarcating upper computer to be connected with control unit 3 by demarcating can bus, realizing carrying out parameter calibration and download program function to controller.Controller control unit 3 adopts SVPWM vector control algorithm, by CLARK and PARK coordinate system transformation, pi regulator is used to control flux component and torque component respectively, control to output to PWM driver module 8 by SVPWM Vector modulation algorithm realization, drive automotive grade power model 7 to drive permagnetic synchronous motor by PWM driver module 8, realize the control to permagnetic synchronous motor running.Control unit 3 program design has speed control mode and torque control model two kinds of master modes; control unit 3 receives full-vehicle control instruction by car load can bus; and realize two kinds of control mode switchs according to full-vehicle control instruction; fault interrupting program realizes the system failure protections such as permagnetic synchronous motor hypervelocity, power model fault; control program adopts double-core lock-step mode of operation; under lock-step mode, run this two kernels, comparative result, guarantee that redundancy process produces identical result.As do not obtained identical result, be then considered as there occurs fault, and mark fault perform restart, enhance safety and reliability of the present invention.Control unit 3 is CCP bsp driver according to CCP Protocol Design, demarcates the demarcation that can bus realizes the parameter of electric machine and controling parameters, realize download online of the present invention and on-line proving function by the CCP of control circuit.
Claims (2)
1. be suitable for an automotive grade Permanent Magnet Synchronous Motor Controller for electronlmobil, comprise the control unit (3) be arranged on in the housing (2) of seal cover cap (1), it is characterized in that: described control unit (3) power input is connected with vehicle-mounted 12V direct supply through power isolation module, the signaling interface (4) of control unit (3) is arranged on the sidewall of housing (2), and signaling interface (4) is connected with the demarcation upper computer carrying out parameter calibration and download program function for being connected with entire car controller VCU respectively by can bus, by demarcating can bus, being connected with the signals of rotating transformer mouth be arranged on permanent magnet synchronous electric arbor by signal wire (SW), another sidewall of housing (2) is provided with the high voltage interface (5) for being connected with permagnetic synchronous motor three-phase power input end, described high voltage interface (5) input end is connected with the power model (7) be fixed in housing (2) by busbar (6), described power model (7) input control end is connected through the output control terminal of PWM driver module (8) with control unit (3), the power input of power model (7) is through filter capacitor (9), just be fixed on connection terminal (10) on housing (2) sidewall and on-board high-voltage lithium cell group, negative pole connects, current transformer (11) signal output part be sleeved on busbar (6) is connected with signaling interface (4), the radiator of power model (7) is arranged in the sealed cistern (12) of housing (2) bottom, and the water-in and water-out adaptor union (13,14) of described sealed cistern (12) is arranged on the sidewall of housing (2), control unit (3) is fixed in housing (2) by pallet, and PWM driver module (8) is welded on power model (7).
2. be suitable for the automotive grade Permanent Magnet Synchronous Motor Controller of electronlmobil according to claim 1, it is characterized in that: described control unit (3) comprises 32 embedded microcontrollers, the communication interface of described 32 embedded microcontrollers is connected with described signaling interface (4) by can bus isolation circuit, can bus driving circuits; The signal input interface of 32 embedded microcontrollers is connected with signaling interface (4) by magslip buffer circuit, magslip decoding circuit, and is connected with signaling interface (4) with analog quantity acquisition circuit by analog quantity buffer circuit; The output control terminal of 32 embedded microcontrollers drives logic to be connected with PWM driver module input end with buffer circuit by PWM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510370371.3A CN104943562B (en) | 2015-06-30 | 2015-06-30 | Automobile grade permanent magnet synchronous motor controller suitable for electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510370371.3A CN104943562B (en) | 2015-06-30 | 2015-06-30 | Automobile grade permanent magnet synchronous motor controller suitable for electric automobile |
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| CN104943562A true CN104943562A (en) | 2015-09-30 |
| CN104943562B CN104943562B (en) | 2017-01-18 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203206164U (en) * | 2013-03-12 | 2013-09-18 | 山东克莱森节能科技有限公司 | Scroll type electrically-driven compressor PWM motor controller |
| US20130328512A1 (en) * | 2011-02-25 | 2013-12-12 | Ntn Corporation | Electric automobile, in-wheel motor drive device, and motor control method |
| CN103684202A (en) * | 2013-12-27 | 2014-03-26 | 大洋电机新动力科技有限公司 | Motor controller having driving, charging and discharging functions |
| CN103856132A (en) * | 2013-09-15 | 2014-06-11 | 新乡市夏烽电器有限公司 | Control system of alternating current servo permanent magnet synchronous motor |
| CN104009682A (en) * | 2014-06-09 | 2014-08-27 | 浙江理工大学 | Brushless DC motor controller and control method |
| CN104135204A (en) * | 2014-08-20 | 2014-11-05 | 奇瑞汽车股份有限公司 | Motor controller for vehicle and controlling method thereof |
| CN204870599U (en) * | 2015-06-30 | 2015-12-16 | 郑州日产汽车有限公司 | Be suitable for electric automobile's car level PMSM controller |
-
2015
- 2015-06-30 CN CN201510370371.3A patent/CN104943562B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130328512A1 (en) * | 2011-02-25 | 2013-12-12 | Ntn Corporation | Electric automobile, in-wheel motor drive device, and motor control method |
| CN203206164U (en) * | 2013-03-12 | 2013-09-18 | 山东克莱森节能科技有限公司 | Scroll type electrically-driven compressor PWM motor controller |
| CN103856132A (en) * | 2013-09-15 | 2014-06-11 | 新乡市夏烽电器有限公司 | Control system of alternating current servo permanent magnet synchronous motor |
| CN103684202A (en) * | 2013-12-27 | 2014-03-26 | 大洋电机新动力科技有限公司 | Motor controller having driving, charging and discharging functions |
| CN104009682A (en) * | 2014-06-09 | 2014-08-27 | 浙江理工大学 | Brushless DC motor controller and control method |
| CN104135204A (en) * | 2014-08-20 | 2014-11-05 | 奇瑞汽车股份有限公司 | Motor controller for vehicle and controlling method thereof |
| CN204870599U (en) * | 2015-06-30 | 2015-12-16 | 郑州日产汽车有限公司 | Be suitable for electric automobile's car level PMSM controller |
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| CN104943562B (en) | 2017-01-18 |
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Address after: No. 181 Jianshe South Road, Zhongmou County, Zhengzhou City, Henan Province 450016 Patentee after: Zhengzhou Nissan Automotive Co., Ltd. Address before: 450016 No. eighth, 369 East Road, Zhengzhou economic and Technological Development Zone, Henan, China Patentee before: Zhengzhou Nissan Automotive Co., Ltd. |
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