CN207657637U - A kind of control system of 3KW electric vehicles - Google Patents
A kind of control system of 3KW electric vehicles Download PDFInfo
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- CN207657637U CN207657637U CN201721751994.6U CN201721751994U CN207657637U CN 207657637 U CN207657637 U CN 207657637U CN 201721751994 U CN201721751994 U CN 201721751994U CN 207657637 U CN207657637 U CN 207657637U
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- module
- external motor
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- control system
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The utility model is related to a kind of control systems of 3KW electric vehicles,Including DSP control module,CAN communication module,External motor control module,Current sampling module,Overcurrent protection module,Three-phase drive module,And power module,DSP control module is for controlling CAN communication module,External motor control module,Current sampling module,Overcurrent protection module and three-phase drive module,CAN communication module is for externally carrying out CAN communication,External motor control module is connect with external motor,For controlling external motor,Current sampling module is for Hall acquisition I U,IV,IW three-phase currents are simultaneously fed back away,Overcurrent protection module is for protecting entire control system,Three-phase drive module is for ensureing that master control borad is isolated with power electric part,Power module is used to provide power supply to entire control system.The Control system architecture of the 3KW electric vehicles is simple, easy to control, and reliability is high.
Description
Technical field
The utility model is related to a kind of control systems of 3KW electric vehicles.
Background technology
With the development of science and technology with energy problem's getting worse, electric vehicle gradually replacing fuel oil automobile.At present I
New-energy automobile is classified as one of strategic emerging industries by state.
Since electric vehicle refers to driving wheels travel, therefore electric drive and control with motor using vehicle power supply as power
System processed is the core of electric vehicle, and is different from the maximum difference of internal-combustion engines vehicle.Currently, to 3KW electric vehicles and
Speech, the requirement of the reliability and structure of control system are higher and higher.
Utility model content
The purpose of this utility model is to be directed to above-mentioned present situation, and it is high to provide a kind of simple structure, convenient control, reliability
The control system of 3KW electric vehicles.
The technical solution adopted in the utility model:A kind of control system of 3KW electric vehicles, which is characterized in that including DSP
Control module, CAN communication module, external motor control module, current sampling module, overcurrent protection module, three-phase drive module,
And power module, the DSP control module respectively with the CAN communication module, external motor control module, current sample mould
Block, overcurrent protection module are connected with three-phase drive module, and the DSP control module is for controlling the CAN communication module, outside
Motor control module, current sampling module, overcurrent protection module and three-phase drive module, the CAN communication module is for external
CAN communication is carried out, the external motor control module is connect with external motor, for controlling external motor, the current sample
Module is for Hall acquisition IU, IV, IW three-phase current and feeds back away, and the overcurrent protection module is for protecting entire control system
System, to avoid electric current is excessively high entire control system is caused to be damaged, the three-phase drive module is for ensureing master control borad and power
Electric part is isolated, the power module and the DSP control module, CAN communication module, external motor control module, electric current
Sampling module, overcurrent protection module and three-phase drive module are separately connected, for the DSP control module, CAN communication mould
Block, external motor control module, current sampling module, overcurrent protection module and three-phase drive module provide power supply.
The effect of the utility model is:The Control system architecture of the 3KW electric vehicles is simple, easy to control, and reliability is high.
Description of the drawings
Fig. 1 is the structural schematic diagram of the control system of 3KW electric vehicles provided by the utility model;
Fig. 2 is the CAN communication circuit figure of CAN communication module in Fig. 1;
Fig. 3 is the realization functional circuit of external motor control module in Fig. 1;
Fig. 4 is the current sampling circuit of current sampling module in Fig. 1;
Fig. 5 is the current foldback circuit of overcurrent protection module in Fig. 1;
Fig. 6 is the three-phase PWM driving circuit of three-phase drive module in Fig. 1.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
Referring to Fig. 1, being a kind of control system of 3KW electric vehicles provided by the utility model, including DSP control module
1, CAN communication module 2, external motor control module 3, current sampling module 4, overcurrent protection module 5, three-phase drive module 6, with
And power module 7.
DSP control module 1 is the core of the control system of the 3KW electric vehicles, and respectively with CAN communication module 2, external
Motor control module 3, current sampling module 4, overcurrent protection module 5 and three-phase drive module 6 connect.DSP control module 1 is used for
Control CAN communication module 2, external motor control module 3, current sampling module 4, overcurrent protection module 5 and three-phase drive module
6.In this present embodiment, the chip in order to control of DSP control module 1, model TMS320F28035.
CAN communication module 2 uses light-coupled isolation scheme, increases its interference free performance for externally carrying out CAN communication.
CAN communication module 2 carries out functional diagnosis particular by the interface of CAN communication.Referring to Fig. 2, for the CAN of CAN communication module 2
Communicating circuit figure.
External motor control module 3 is connect with external motor, for realizing the input of external motor reverse signal, positive rotaring signal
Input, the input of high level brake signal, Half Speed input, the input of encoder tach signal, pedal enable signal 12V inputs, speed
Output and astern signal output.Referring to Fig. 3, for the realization functional circuit of external motor control module 3.
Current sampling module 4 is for Hall acquisition IU, IV, IW three-phase current and feeds back away.Referring to Fig. 4, being electric current
Sample circuit.
Overcurrent protection module 5 is for protecting entire control system, to avoid electric current is excessively high entire control system is caused to be damaged
It is bad.Referring to Fig. 5, being current foldback circuit.
Three-phase drive module 6 is for ensureing that master control borad is isolated with power electric part, using light-coupled isolation scheme.It please refers to
Fig. 6 is three-phase PWM driving circuit.
Power module 7 and DSP control module 1, CAN communication module 2, external motor control module 3, current sampling module 4,
Overcurrent protection module 5 and three-phase drive module 6 are separately connected, for DSP control module 1, CAN communication module 2, external motor
Control module 3, current sampling module 4, overcurrent protection module 5 and three-phase drive module 6 provide power supply.Power module 7 and outside
Power supply connects, and mould is controlled for handling external power supply, then to DSP control module 1, CAN communication module 2, external motor
Block 3, current sampling module 4, overcurrent protection module 5 and three-phase drive module 6 are powered.
In this way, the Control system architecture of the 3KW electric vehicles is simple, easy to control, reliability is high.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of control system of 3KW electric vehicles, which is characterized in that including DSP control module, CAN communication module, external electrical
Machine control module, current sampling module, overcurrent protection module, three-phase drive module and power module, the DSP control mould
Block respectively with the CAN communication module, external motor control module, current sampling module, overcurrent protection module and three-phase drive
Module connects, and the DSP control module is for controlling the CAN communication module, external motor control module, current sample mould
Block, overcurrent protection module and three-phase drive module, the CAN communication module is for externally carrying out CAN communication, the external motor
Control module is connect with external motor, and for controlling external motor, the current sampling module acquires IU, IV, IW for Hall
Three-phase current is simultaneously fed back away, and the overcurrent protection module is for protecting entire control system, to avoid electric current is excessively high from causing
Entire control system damage, the three-phase drive module is for ensureing that master control borad is isolated with power electric part, the power supply mould
Block and the DSP control module, CAN communication module, external motor control module, current sampling module, overcurrent protection module and
Three-phase drive module is separately connected, for the DSP control module, CAN communication module, external motor control module, electric current
Sampling module, overcurrent protection module and three-phase drive module provide power supply.
2. the control system of 3KW electric vehicles as described in claim 1, it is characterised in that:The DSP control module is in order to control
Chip, model TMS320F28035.
3. the control system of 3KW electric vehicles as described in claim 1, it is characterised in that:The CAN communication module uses light
Coupling isolation scheme increases its interference free performance.
4. the control system of 3KW electric vehicles as described in claim 1, it is characterised in that:The CAN communication module passes through
The interface of CAN communication carries out functional diagnosis.
5. the control system of 3KW electric vehicles as described in claim 1, it is characterised in that:The external motor control module
For realizing the input of external motor reverse signal, the input of positive rotaring signal, the input of high level brake signal, Half Speed input, encoder
Tach signal input, pedal enable signal 12V inputs, speed output and astern signal output.
6. the control system of 3KW electric vehicles as described in claim 1, it is characterised in that:The three-phase drive module uses
Light-coupled isolation scheme.
7. the control system of 3KW electric vehicles as described in claim 1, it is characterised in that:The power module and external electrical
Source connects, and mould is controlled for handling external power supply, then to the DSP control module, CAN communication module, external motor
Block, current sampling module, overcurrent protection module and three-phase drive module for power supply.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721751994.6U CN207657637U (en) | 2017-12-13 | 2017-12-13 | A kind of control system of 3KW electric vehicles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721751994.6U CN207657637U (en) | 2017-12-13 | 2017-12-13 | A kind of control system of 3KW electric vehicles |
Publications (1)
Publication Number | Publication Date |
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CN207657637U true CN207657637U (en) | 2018-07-27 |
Family
ID=62942627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721751994.6U Active CN207657637U (en) | 2017-12-13 | 2017-12-13 | A kind of control system of 3KW electric vehicles |
Country Status (1)
Country | Link |
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CN (1) | CN207657637U (en) |
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2017
- 2017-12-13 CN CN201721751994.6U patent/CN207657637U/en active Active
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211215 Address after: 101, production building, no.669, Xinsheng Road, Changsha hi tech Development Zone, Changsha City, Hunan Province, 410205 Patentee after: SHENZHEN SUNYE ELECTRIC CO.,LTD. Address before: 430000, No. 6, fozuling 3 Road, Donghu Development Zone, Wuhan City, Hubei Province Patentee before: WUHAN HICONICS ELECTRIC DRIVE TECHNOLOGY CO.,LTD. |