CN106655644A - CAN bus based motor control system - Google Patents
CAN bus based motor control system Download PDFInfo
- Publication number
- CN106655644A CN106655644A CN201611016450.5A CN201611016450A CN106655644A CN 106655644 A CN106655644 A CN 106655644A CN 201611016450 A CN201611016450 A CN 201611016450A CN 106655644 A CN106655644 A CN 106655644A
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- Prior art keywords
- controller
- control system
- motor
- electric machine
- system based
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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
-
- 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
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a CAN bus based motor control system. The system comprises a controller, the controller is connected to a host computer via a USB to CAN converter, and the controller is connected with a pre-charging circuit, an electric leakage double-switch, a rectifier and a power supply successively; the pre-charging circuit is connected to the controller via a main contactor; the controller is connected to a pedal potentiometer on a manual control panel; and the controller is connected to a vehicle motor, and the vehicle motor is connected to a load. According to the system, the vehicle motor, the controller, the host computer, a battery box and different types of components are coordinated effectively and integrated, a CAN bus is used to control and monitor the motor in real time, different states of an electromobile in the normal driving process are simulated effectively, the visual and convenient degrees of control for the vehicle motor are improved greatly, and the system is more universal, more instantaneous and easier to operate.
Description
Technical field
The present invention relates to motor control technology field, and in particular to a kind of electric machine control system based on CAN.
Background technology
For electric automobile, motor is exactly its " engine ".With new-energy automobile fast development (300,000/
2015), electric automobile will become one of important directions of development of automobile.And one of 3 big key technologies of electric automobile：Motor
Control technology is adopted based on bus marco pattern also day by day from traditional Terminal control pattern steering bus marco pattern
Electric machines control technology is the inexorable trend of future development.
Traditional Terminal control pattern mainly realized by substantial amounts of wire interconnection the rotating forward to motor, reversion,
The various orders such as start and stop and acceleration and deceleration, so as to reach control purpose.It is complex circuit, cumbersome thus just inevitable, due to
The use of a large amount of binding posts, complex circuit and inefficiency, its plastic insulation material and conductive component are just directly connected to end
The quality of son, they determine respectively the insulating properties and electric conductivity of terminal.Any one binding post failure all may
Have influence on the normal work of whole system.And the purpose of visual monitor cannot be reached, it is impossible to real-time monitor motor and control
The relevant operating conditions parameter of device processed, once there is the system failure, maintenance is difficult.For whole control system, in operation control
System, trouble hunting aspect causes unavoidably certain difficulty.
The content of the invention
The technical problem to be solved is to provide a kind of electric machine control system based on CAN, control efficiency
Height, reliability is high, and mechanism is simple, practical.
To solve above-mentioned technical problem, the technical solution used in the present invention is：
A kind of electric machine control system based on CAN, including controller, the controller turns CAN converters by USB
Host computer is connected to, the controller is sequentially connected with precharge electrical equipment, double open-drain electric switches, rectifier, power supply；The preliminary filling
Circuit is connected to controller by main contactor；The controller is connected to the pedal potentiometer on manual control panel；Control
Device processed is also connected to automobile motor, and the automobile motor is connected to load.
According to such scheme, the pre-charge circuit be sequentially connected in series by pre-charge resistance, diode, precharge switch and
Into, it is connected with the 19 pin aviation plug by wire one end, one end is connected with described pair of open-drain electric switch.
According to such scheme, the controller is connected with built-in cooling fan.
According to such scheme, the controller is connected with external cooling fan, and the external cooling fan is by the company of switch
It is connected to fan power supply.
According to such scheme, the fan power supply is 12V, and 19 pin aviation plug inside conductors of controller are electric with 12V fans
Source connects.
According to such scheme, described pair of open-drain electric switch is also connected to battery case.
According to such scheme, the control system outside includes rack, automobile motor, controller, host computer, battery case；
The cabinet front is provided with host computer display screen, and two sides are respectively equipped with external cooling fan, and manual control panel is arranged on
The lower right of position machine display screen；Automobile motor trailing flank is provided with code-disc, leading flank be provided with big sprocket wheel and chain to be assemblied in motor defeated
On shaft；It is furnished with high-voltage conducting wires and 19 pin aviation plugs on controller, and is connected with automobile motor and code-disc respectively by wire；
Host computer is connected by CAN communication line and controller, and CAN communication line is provided with USB and turns CAN adapters, while host computer is built-in
There is motor control interface；Battery case is in series by two 48V lithium batteries, and is connected by wire and controller, on wire also
It is provided with double open-drain electric switches.
According to such scheme, also including underframe：Underframe bottom is provided with universal wheel, the automobile motor, speed changer, upper
Machine host and battery case are fixed on underframe.
According to such scheme, the 12V fan power supplies, USB turn CAN adapters, pre-charge circuit, main contactor all to be fixed
On the rectangle plank.
According to such scheme, the manual control panel is provided with startup, braking, advance, four buttons of retrogressing, and one pre-
Charge switch, pedal potentiometer and a serial ports.
Compared with prior art, the invention has the beneficial effects as follows：By automobile motor, controller, host computer and battery case and
Various parts organic coordinations, it is integrated, real-time control and monitoring are carried out to motor using CAN, effectively simulate electricity
The various states of electrical automobile normal driving process, substantially increase visualization and the facilitation degree of automobile motor control, more
Versatility, real-time and ease for operation.
Description of the drawings
Fig. 1 is the structural representation of the removable electric machine control system based on CAN of the present invention.
Fig. 2 is the interior of equipment cabinet structural representation of the removable electric machine control system based on CAN of the present invention.
The motor fixing frame structural representation of the removable electric machine control system based on CAN of Fig. 3 present invention.
Fig. 4 is the systematic schematic diagram of the removable electric machine control system based on CAN of the present invention.
In figure：1- racks；2- host computer display screens；15- polyurethane vibration damper plates；16- supporting steel plates；17- speed changers；21-
Underframe；22- automobile motors；23- motor fixing frames；25- universal wheels；29- code-discs；The upper machine hosts of 27-；28- battery cases；14-
Manual control panel；3- external cooling fans；The double open-drain electric switches of 13-；4- controllers；40-19 pin aviation plugs；41- preliminary fillings
Circuit；31- precharge switch；30- pedal potentiometers；5- ballasts；6- pre-charge resistances；7-USB turns CAN converters；8-
Rectangle plank；9- dodge gates；10- diodes；11-12V power supplys；12- main contactors；38- button ignition switches；39- host computers；18-
Big sprocket wheel；19- chains；20- minor sprockets.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention will be further described in detail with specific embodiment.As shown in figure 1, one kind is based on
The electric machine control system of CAN, including rack 1, automobile motor 22, controller 4, host computer 39, battery case 28；The rack
1 front is provided with host computer display screen 2, and two sides are respectively equipped with external cooling fan 3, and manual control panel 14 is arranged on host computer
The lower right of display screen 2；The trailing flank of automobile motor 22 is provided with code-disc 29, and leading flank is provided with big sprocket wheel 18 and chain 19 is assemblied in electricity
On machine output shaft；Be furnished with high-voltage conducting wires and 19 pin aviation plugs 40 on controller, and by wire respectively with the He of automobile motor 22
Code-disc 29 connects；Host computer 39 is connected by CAN communication line and controller 4, and CAN communication line is provided with USB and turns CAN adapters 7,
Simultaneously host computer 39 is built with motor control interface；Battery case 28 is in series by two 48V lithium batteries, and by wire and control
Device processed 4 connects, and double open-drain electric switches 13 are additionally provided with wire.Rack 1 is that the semi-enclosed components and parts with dodge gate 9 are carried
Body, provides for various components and parts and is placed or by fixed place.As shown in Fig. 2 the front of rack 1 is provided with host computer display screen 2,
For to motor visualization control and monitoring, controller 4 and rectangle plank 8 are placed and be fixed with the inside of rack 1.
In order that structure arrangement coordinates reasonable, USB turns CAN converters 7,12V power supplys 11, pre-charge circuit 41, main contact
Device 12 is all disposed within rectangle plank 8.Rack 1 is provided with manual control panel 14, under the inactive state of host computer 39
The manual control of start and stop, rotating and acceleration and deceleration is carried out to automobile motor 22.
Using external cooling fan 3 as attached cooling device, two external cooling fans 3 are separately fixed at by bolt
The two sides of rack 1, air port just to the fin of controller 4, when system operation duration for a period of time after, controller 4 can generate heat, and open
External cooling fan 3 is switched, and can accelerate the heat for distributing controller 4.By hinge, the back side of rack 1 is also equipped with hollow out dodge gate
9, when system works, shut hollow out dodge gate 9 and play shielding protection effect, while heat dissipation ventilation effect is played in hollow out design.System
When not working, hollow out dodge gate 9 can be opened components and parts in rack 1 are checked or overhauled.
The right flank of rack 1 is additionally provided with double open-drain electric switches 13, double to open when principal current is above standard value or when having danger of hazardous electrical discharges
The automatic trip of leakage switch 13, the presence of double open-drain electric switches 13 can control system access the break-make of high-tension electricity, in turn ensure that
Equipment, personal safety.
The output shaft of automobile motor 22 is equipped with big sprocket wheel 18 and chain 19, chain other end assembling minor sprocket 20 and speed changer
17, automobile motor 22 and speed changer 17 are mechanically connected by chain and sprocket driving device, increase load, in simulation electric motor car driving conditions
Car resistance.The other end of automobile motor 22 carries code-disc 29, is connected by two string wires and controller 4, and a string of wires are car
Powered with motor 22, a string of wires receive the order from controller 4 as connection.Automobile motor 22 is also by the spiral shell of side
Pit is fixed with motor fixing frame 23.
Controller 4 connects respectively automobile motor 22, manual control panel as the central processing unit of whole control system
14 and host computer 39.After manual control panel 14 and host computer 39 send instruction, convey to after controller 4 is analyzed and processed
Automobile motor 22, it to receive and make corresponding action after instruction.Additionally, controller 4 can produce certain heat after work a period of time
Amount, its own fin for carrying and built-in fans have certain thermolysis.
Used as terminal control and mechanism for monitoring, its display screen is fixed on the front of rack 1 to host computer 39, and its main frame is fixed on bottom
On frame 21.Host computer 3 is connected by CAN communication line and controller 4, and instruction is sent to controller 4, and extracts the He of controller 4
The working status parameter of automobile motor 22 simultaneously shows on a display screen.CAN communication line is provided with USB and turns CAN adapters, for inciting somebody to action
CAN signal pattern of the usb signal patten transformation of host computer into controller.
Battery case 28 is the removable electric supply installation of whole system, by the way that the lithium battery of two 48V is connected and is mounted in iron
In case, it is integrally attached on underframe 21.The exportable 96V high pressure of battery case 28, to whole system long-time power supply is carried out, and guarantee is held
Continuous service ability and mobility.
Also include pre-charge circuit 41, pre-charge circuit 41 by pre-charge resistance 6, diode 10, precharge switch 31 according to
It is secondary to be in series, at the same connect main contactor 12, be connected with the 19 pin aviation plug 40 by wire one end, one end with it is described
Double open-drain electric switches 13 connect.Upon power-up of the system, pre-charge circuit 41 is first unidirectional accesses high-tension electricity, it is ensured that open after fault-free
Keyed ignition button 38, main contactor 12 is closed, and pre-charge circuit 41 is shorted, and system startup is completed.The energy of pre-charge circuit 41
Play a part of unidirectional powered when system starts and self-protection.
The control method of above-mentioned control system includes：
Traditional Terminal control pattern, specially：1) check that the braking on manual control panel, advance, back are
No to be closed, otherwise pre-charge circuit causes main contactor not work due to self-protection；2) key switch is opened, is connect
Logical 12V power supplys；3) precharge switch, pre-charge circuit closure are opened；4) start double open-drain electric switches, connect 96V high-tension electricities；Electricity
Short circuit, main contactor closure (precharge switch failure), motor enters readiness for operation；
5) advance, retrogressing, locking key are pressed respectively, can be appreciated that motor correspondence makes rotating forward, reversion, stopping action, its
In, when motor is in forward or reverse, clockwise with counter-clockwise turn pedal potentiometer, motor can respectively make acceleration and slow down
Action；6) key switch, double open-drain electric switches, precharge switch, finishing control are closed successively.
Based on the control model of CAN, specially：1) start host computer, open motor control interface；2) guarantee manually
Braking, advance on control panel, back are closed, and open key switch, precharge switch and air switch；
3) main contactor close commands are clicked on mouse, motor enters working condition；4) startup, rotating, braking and rotating speed are set
Numerical value, motor work；Motor control interface energy intuitively presents CAN infomational message structure very much, and can to motor and
The working condition of controller carries out visualizing control and real-time monitoring, and carries out system failure prompting；5) closing switch and upper
Position machine, finishing control.
All it is that central-processor organization is used as by controller in control process.Terminal control pattern is used as traditional controlling party
Method, complex operation, inefficiency, single function.And CAN control model, host computer combines associated control procedures, passes through
After USB turns CAN adapters by two kinds of signal types turn, then via electric machine controller, it is corresponding so as to realize that instruction is sent to motor
Action, at the same by controller read motor feedback information, be reflected in terminal interface, reach the terminal control to motor and
Purpose to working state of system monitoring.Circuit is simple, be easy to operation, and applicability, versatility and reliability are higher.
Claims (10)
1. a kind of electric machine control system based on CAN, it is characterised in that including controller, the controller is turned by USB
CAN converters are connected to host computer, the controller and precharge electrical equipment, double open-drain electric switches, rectifier, power supply successively phase
Even；The pre-charge circuit is connected to controller by main contactor；The controller is connected to stepping on manual control panel
Plate potentiometer；Controller is also connected to automobile motor, and the automobile motor is connected to load.
2. a kind of electric machine control system based on CAN as claimed in claim 1, it is characterised in that the precharge electricity
Route pre-charge resistance (6), diode (10), precharge switch (31) are sequentially connected in series and form, by wire one end and described 19
Pin aviation plug (40) connects, and one end is connected with described pair of open-drain electric switch (13).
3. a kind of electric machine control system based on CAN as claimed in claim 1, it is characterised in that the controller connects
It is connected to built-in cooling fan.
4. a kind of electric machine control system based on CAN as claimed in claim 1, it is characterised in that the controller connects
External cooling fan is connected to, the external cooling fan is connected to fan power supply by switch.
5. a kind of electric machine control system based on CAN as claimed in claim 4, it is characterised in that the fan power supply
For 12V, 19 pin aviation plug inside conductors of controller are connected with 12V fan power supplies.
6. a kind of electric machine control system based on CAN as claimed in claim 1, it is characterised in that described pair of open-drain electricity
Switch is also connected to battery case.
7. a kind of electric machine control system based on CAN as described in any one of claim 1 to 6, it is characterised in that described
Control system outside includes rack (1), automobile motor (22), controller (4), host computer (39), battery case (28)；The rack
(1) front is provided with host computer display screen (2), and two sides are respectively equipped with external cooling fan (3), and manual control panel (14) is arranged
In the lower right of host computer display screen (2)；Automobile motor (22) trailing flank is provided with code-disc (29), and leading flank is provided with big sprocket wheel (18)
It is assemblied on motor output shaft with chain (19)；It is furnished with high-voltage conducting wires and 19 pin aviation plugs (40) on controller, and by leading
Line connects respectively with automobile motor (22) and code-disc (29)；Host computer (39) is connected by CAN communication line and controller (4), CAN
Connection is provided with USB and turns CAN converters (7), while host computer (39) is built with motor control interface；Battery case (28) is by two
Individual 48V lithium batteries are in series, and are connected by wire and controller (4), and double open-drains electric switch (13) are additionally provided with wire.
8. a kind of electric machine control system based on CAN as claimed in claim 7, it is characterised in that also including underframe
(21)：Underframe (21) bottom is provided with universal wheel (25), the automobile motor (22), speed changer (17), upper machine host (27)
It is fixed on underframe (21) with battery case (28).
9. a kind of electric machine control system based on CAN as claimed in claim 7, it is characterised in that the 12V fans electricity
Source (11), USB turn CAN converters (7), pre-charge circuit (41), main contactor (12) and are all fixed on the rectangle plank (8)
On.
10. a kind of electric machine control system based on CAN as claimed in claim 8, it is characterised in that the manual control
(14) are provided with startup, braking, advance, retreat four buttons on panel, precharge switch (31), pedal potentiometer (30) and
One serial ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611016450.5A CN106655644B (en) | 2016-11-18 | 2016-11-18 | Motor control system based on CAN bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611016450.5A CN106655644B (en) | 2016-11-18 | 2016-11-18 | Motor control system based on CAN bus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106655644A true CN106655644A (en) | 2017-05-10 |
| CN106655644B CN106655644B (en) | 2023-04-14 |
Family
ID=58808167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611016450.5A Active CN106655644B (en) | 2016-11-18 | 2016-11-18 | Motor control system based on CAN bus |
Country Status (1)
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| CN106655644B (en) | 2023-04-14 |
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