CN204870599U - Be suitable for electric automobile's car level PMSM controller - Google Patents

Be suitable for electric automobile's car level PMSM controller Download PDF

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Publication number
CN204870599U
CN204870599U CN201520457159.6U CN201520457159U CN204870599U CN 204870599 U CN204870599 U CN 204870599U CN 201520457159 U CN201520457159 U CN 201520457159U CN 204870599 U CN204870599 U CN 204870599U
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China
Prior art keywords
control unit
housing
power
interface
bus
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CN201520457159.6U
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Inventor
杨小兵
路高磊
王发群
申超
袁建州
于丽娜
李志鹏
付攀
张峰
范佳佳
刘建
李伟
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Zhengzhou Nissan Automobile Co Ltd
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Zhengzhou Nissan Automobile Co Ltd
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Priority to CN201520457159.6U priority Critical patent/CN204870599U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

Abstract

The utility model discloses a be suitable for electric automobile's car level PMSM controller, the control unit in setting up the casing that is having sealed lid, the control unit power input end is connected with on -vehicle 12V DC power supply through the power isolation module, the control unit's signal interface sets up on the lateral wall of casing, and signal interface is used for being connected with vehicle control unit VCU, being connected at the epaxial electrical resolver signal output part of PMSM through maring can bus and the demarcation upper computer connection who carries out parameter calibration and procedure download function, passing signal line and setting through the can bus respectively. The utility model discloses the advantage lies in adopting car level power module and the safe control chip of car level, has fully considered electromagnetic compatibility simultaneously, the compact easily assembly of simple structure, the easy commercialization of each part design to have higher security, stability and reliability.

Description

Be suitable for the automotive grade Permanent Magnet Synchronous Motor Controller of electronlmobil
Technical field
The utility model relates to electronlmobil, especially relates 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 utility model object is to provide a kind of automotive grade Permanent Magnet Synchronous Motor Controller being suitable for electronlmobil.
For achieving the above object, the utility model takes following technical proposals:
The automotive grade Permanent Magnet Synchronous Motor Controller being suitable for electronlmobil described in the utility model, 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 utility model advantage is to 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 utility model.
Fig. 2 is the schematic block circuit diagram of control unit described in Fig. 1.
Fig. 3 is that axle of the present utility model 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 described in the utility model, 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.
The utility model principle of design 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 ISO26262 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 utility model.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 the utility model download online 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.
CN201520457159.6U 2015-06-30 2015-06-30 Be suitable for electric automobile's car level PMSM controller Active CN204870599U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520457159.6U CN204870599U (en) 2015-06-30 2015-06-30 Be suitable for electric automobile's car level PMSM controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520457159.6U CN204870599U (en) 2015-06-30 2015-06-30 Be suitable for electric automobile's car level PMSM controller

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CN204870599U true CN204870599U (en) 2015-12-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104943562A (en) * 2015-06-30 2015-09-30 郑州日产汽车有限公司 Automobile grade permanent magnet synchronous motor controller suitable for electric automobile
CN106762773A (en) * 2017-03-08 2017-05-31 苏州诺研机器人科技有限公司 Electric automobile oil-free scroll air compressor machine gas is stopped the PMSM drive control devices of pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104943562A (en) * 2015-06-30 2015-09-30 郑州日产汽车有限公司 Automobile grade permanent magnet synchronous motor controller suitable for electric automobile
CN106762773A (en) * 2017-03-08 2017-05-31 苏州诺研机器人科技有限公司 Electric automobile oil-free scroll air compressor machine gas is stopped the PMSM drive control devices of pump

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