CN202686231U - Master controller of pure electric car - Google Patents
Master controller of pure electric car Download PDFInfo
- Publication number
- CN202686231U CN202686231U CN 201220345260 CN201220345260U CN202686231U CN 202686231 U CN202686231 U CN 202686231U CN 201220345260 CN201220345260 CN 201220345260 CN 201220345260 U CN201220345260 U CN 201220345260U CN 202686231 U CN202686231 U CN 202686231U
- Authority
- CN
- China
- Prior art keywords
- entire car
- car controller
- module
- pure electric
- electric automobile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to a master controller of a pure electric car. The mastercontroller comprises a power system management module, a safety management module, a high-voltage system management module and a lower-voltage system management module which are connected in a signaling manner through a CAN (controller area network) bus. According to the utility model, the high-voltage system management module is provided with a high-voltage distribution box management unit, wherein relays for controlling the high-voltage circuits of the whole electric car are contained in a high-voltage distribution box. The low-voltage system management module is provided with a low-voltage apparatus controlling unit for controlling a high-voltage power supply and a low-voltage power supply to be powered on/off normally. The the whole electric car can distribute the electricity automatically and ensures the safety use of the electricity. In addition, the parameters of the master controller can be updated easily.
Description
Technical field
The utility model relates to the controller technology field, particularly a kind of pure electric automobile entire car controller.
Background technology
Along with the development and progress of auto-industry, people are more and more higher to the requirement of dynamic property, economy, safety and the discharging aspect of automobile, and traditional mechanical type connects, the mode of point-to-point line oneself can not satisfy these demands far away.
In order to address the above problem, arise at the historic moment based on the car load mode of controller local area network (Controller Area Network, CAN) bus.Because pure electric automobile is except the CAN bus nodes such as combination instrument, also increased the CAN bus node of the high-voltage large currents such as battery management system, electric machine controller, thereby the safe and reliable of car load control just seems more important, namely how to make electrokinetic cell, electric machine controller, electric air-conditioning, combination instrument, electric power steering (Electric Power Steering, EPS) system, and other CAN node between each other cooperation, Optimized Matching, the higher position of best, the degree of utilization of Function has become the top priority of entire car controller separately.
Yet existing entire car controller not only fails to provide failure-free car load control plan rate, and the micro controller system that all utilizes low side is as CPU, thereby so that the arithmetic speed of entire car controller is relatively slow, also so that the components and parts of CPU peripheral circuit are more, complex structure.
The application of a large amount of automobiles in the whole world has produced and has caused serious environment and human survival problem.At present, that people are devoted to develop is efficient, the transportation means of cleaning and safety, and oneself is proposed the new-energy automobiles such as electronlmobil, hybrid vehicle and fuel cell powered vehicle typically as in the future in order to substitute the transportation means of conventional truck.
In order better to coordinate and control the work of each electric equipment in the electronlmobil, need to configure entire car controller (VCU) for electronlmobil.
And more or less all there is the deficiency of some aspect in the entire car controller of present pure electric automobile, for example, high pressure, low-pressure system are important component parts in the pure electric automobile whole-control system, be the core of car load high pressure, the low pressure management of power use, car load rational utilization of electricity and safety in utilizing electric energy are played a key effect.But existing high pressure, low-pressure system are difficult to guarantee safety in utilizing electric energy and the efficient and rational electricity consumption of electronlmobil, more can't realize the renewal of car load control parameter.
Given this, be necessary the entire car controller of existing pure electric automobile further perfect.
Summary of the invention
The utility model is in order to solve existing entire car controller high pressure, problem that the low-pressure system power consumption efficiency is not high, and a kind of entire car controller of controlling electronlmobil safety in utilizing electric energy, efficient and rational electricity consumption is provided.
The utility model is realized by following scheme:
Above-mentioned pure electric automobile entire car controller comprises power system administration module and safety management module, and described entire car controller also comprises high-pressure system administration module and low-pressure system administration module, and described module all connects by the CAN bus signals.
Described high-pressure system administration module has the high-tension distribution box administrative unit, described high-tension distribution box administrative unit comprises the relay that the car load high-tension line is controlled, and comprises main contactor, preliminary filling relay, charging control relay, DC-DC power supply and air-conditioning main relay.
Described low-pressure system administration module has the low-voltage electrical apparatus control unit, with the normal power-on and power-off of control height piezoelectricity.
Described entire car controller also comprises the driver intention parsing module, and described driver intention parsing module has gear administrative unit and torque demand administrative unit, judges gearshift intention and torque demand intention by signal.
Described power system administration module comprises that the motor control module, battery management module and other power system equipment that connect by the CAN bus signals comprise permagnetic synchronous motor, power-transfer clutch, change-speed box and retarder.
Described motor control module has the Motor Over Speed protected location.
Described battery management module has crash protection unit and electric air-conditioning control unit.
Described safety management module has the pedestrian and warns administrative unit, car speed sensor, gear identification control unit, fault detection record cell, security control unit and backing-up lamp control unit; Described gear identification control unit is controlled to the identification of vehicle gear and by entire car controller, and described backing-up lamp control unit is exported astern signal by entire car controller.
Beneficial effect:
Pure electric automobile entire car controller of the present utility model comprises power system administration module and safety management module, also comprises high-pressure system administration module and low-pressure system administration module; The high-pressure system administration module has the high-tension distribution box administrative unit, comprises the relay that the car load high-tension line is controlled in the high-tension distribution box, comprises main contactor, preliminary filling relay, charging control relay and DC/DC, air-conditioning main relay; The low-pressure system administration module has the low-voltage electrical apparatus control unit, the normal power-on and power-off function of control height piezoelectricity; Electric automobile whole distributes electricity consumption automatically, and guarantees safety in utilizing electric energy, and is easy to realize the renewal of entire car controller parameter.
Description of drawings
Fig. 1 is the system architecture diagram of the utility model pure electric automobile entire car controller;
Fig. 2 is the power system administration module structured flowchart of the utility model pure electric automobile entire car controller.
The specific embodiment
As scheme l to shown in Figure 2, pure electric automobile entire car controller of the present utility model, comprise driver intention parsing module 1, power system administration module 2, safety management module 3, high-pressure system administration module 4, low-pressure system administration module 5, above-mentioned module all connects by the CAN bus signals.
Driver intention parsing module 1 has gear administrative unit 11 and torque demand administrative unit 12, connects by signal;
Entire car controller changes by gathering the acceleration pedal output voltage values, judges the torque demand intention; Incoming signal is the acceleration pedal change in depth, and change in depth reflects that magnitude of voltage changes, and by gathering the signal of acceleration pedal, the control car load accelerates; Master mode is based on the master mode of moment of torsion;
Entire car controller manages the gearshift intention by vehicle speed signal, gear incoming signal, complete vehicle fault status signal, torque request signal, guarantees the car load driving safety;
Driver intention parsing module 1 is based on entire car controller and judges by the position of judging ignition key, the process that key position, low pressure electrifying timing sequence, the high pressure of vehicle powered on defines, key position designs according to traditional vehicle, four kinds of location statuss are arranged, comprising: OFF, ACC, ON, START;
LOCK: key not in ignition lock the time entire car controller can't detect key;
ACC: low potential source is given the power supplies such as some accessory system, ancillary apparatus, Source Music during this position;
ON: during this position all control units are powered, such as entire car controller, battery management system, micro-control unit;
START: chaufeur is got to the START gear with key from the ON gear, and entire car controller judges that the car load high-tension system whether can above forceful electric power, can carry out the high-pressure system action that powers on during this position.
Power system administration module 2 comprises that motor control module 21, battery management module 22 and other power system equipment comprise permagnetic synchronous motor 23, power-transfer clutch 24, change-speed box 25 and retarder 26.Be connected by communicating with one another between CAN bus and motor control module 21, battery management module 22, permagnetic synchronous motor 23, power-transfer clutch 24, change-speed box 25 and the retarder 26 and can send corresponding control command; Input to entire car controller by will speed up the instructions such as pedal signal, transmission gear signal, brake pedal signal, the on-off signal that reverses gear, thereby respectively control is coordinated in the operations such as battery status, motor speed, transmission gear, servo-steering, braking, trouble diagnosing, warning;
After vehicle was received collision alarm, battery management module 22 can initiatively cut off main contactor or entire car controller sends the instruction of cutting off main contactor to battery management module 22, and this moment, high-tension current can be cut off;
It should be noted that when power system administration module 2 initiatively cuts off the electrokinetic cell high-tension current, system possesses the function that can car load can be re-powered by the conscious operation of chaufeur;
The switch of electric air-conditioning control unit 222 control electric air-conditionings, the on-off signal of electric air-conditioning is high-low level, and high level is for opening, and low level is for closing.Because of electric air-conditioning consumption be the electric energy of electrokinetic cell bag, and power is larger, it is large that its continual mileage on car load affects the rate of exchange, therefore should fully take into account the influence factor of electric air-conditioning when formulating car load energy management control policy.
Safety management module 3 has the pedestrian and warns administrative unit 31, car speed sensor 32, gear identification control unit 33, fault detection record cell 34, security control unit 35, backing-up lamp control unit 36, connects by signal;
The pedestrian warns administrative unit 31 when the speed of a motor vehicle 0＜V＜20km/h, send alerting signal (Low level effective), be that the speed of a motor vehicle is lower than setting value, the output warning signal, low-noise characteristic because of pure electric automobile, for increasing the safety in the Vehicle Driving Cycle process, increase pedestrian's alarm function, reach caution pedestrian's purpose;
33 pairs of vehicle gears of gear identification control unit are identified and controlled by entire car controller, and vehicle satisfies the condition of advancing and comprises: power-transfer clutch is closed, car load moves or move backward the speed of a motor vehicle less than 2km to travel direction; The condition that satisfies vehicle backing need guarantee vehicle under non-neutral position state, under the current working speed of a motor vehicle be 0 or the speed of a motor vehicle less than 2km and less drive torque;
Moment does not rise to very high the drive motor rotating speed of assurance vehicle in the neutral situation;
Guarantee in the reversing situation that the vehicle backing speed of a motor vehicle is no more than setting value, not in the situation that vehicle has very large kinetic energy to move backward, reach the purpose of protection drive motor;
Fault detection record cell 34, fault comprises the application layer fault, the application layer fault is divided into signal level fault and strategy level fault, and the signal level fault mainly comprises gear on-off fault, brake switch fault, key switch fault, Acceleration Signal fault, electrical fault, battery failures; Strategy level fault mainly comprises moment of torsion fault, CAN communication failure; These faults will as standard input, be input in the application model;
Backing-up lamp control unit 36, when power system administration module 3 drove vehicle backing, backing-up lamp was lighted.When entire car controller judges that the on-off signal that reverses gear is effective, the output astern signal.
High-pressure system administration module 4 has high-tension distribution box administrative unit 41, comprises the relay that the car load high-tension line is controlled in the high-tension distribution box, comprises main contactor, preliminary filling relay, charging control relay, DC/DC, air-conditioning main relay.
Low-pressure system administration module 5 has low-voltage electrical apparatus control unit 51, the normal power-on and power-off function of control height piezoelectricity.
Pure electric automobile entire car controller of the present utility model has following function:
Drive function: entire car controller is judged driver intention by acceleration pedal signal, vehicle speed signal, complete vehicle fault status signal, shifting state signal, calculates real-time driving torque signal; After the torque signal that calculates carried out filtering, smoothing processing, send it to drive motor control system micro-control unit, the request car load drives; The driving process is divided into forward drive and reverse drive, obtains driving torque with different lookup table modes; During forward drive, distinguish fast state and lower-speed state, obtain different driving torques with different lookup table modes.
Gear management function: because the pure electric automobile gear does not possess the self-lock protection function of orthodox car gear, need to increase this function to guarantee that correctly resolving the chaufeur gearshift is intended to, guarantees the car load driving safety; Entire car controller is by protecting chaufeur gear request signal vehicle speed signal, gear incoming signal, fault status signal, torque request signal.
Fault detection, writing function: the application layer fault is divided into signal level fault and strategy level fault, and the signal level fault mainly comprises: gear on-off fault, brake switch fault, key switch fault, Acceleration Signal fault, electrical fault, battery failures; Strategy level fault mainly comprises moment of torsion fault, CAN communication failure; These faults will as standard input, be input in the application model.
Safety control function: by voltage, electric current, battery dump energy, temperature, moment of torsion, speed in the system are detected, guarantee security of system; Mainly contain two kinds of processing modes: the system closing under downrating and the limiting conditions is processed.
The normal power-on and power-off function of control height piezoelectricity: entire car controller is opened the intention of key by the position judgment chaufeur of judging ignition key, the process that key position, low pressure electrifying timing sequence, the high pressure of vehicle powered on defines, key position designs according to traditional vehicle, four kinds of location statuss are arranged, comprising: OFF, ACC, ON, START;
LOCK: key not in ignition lock the time entire car controller can't detect key;
ACC: low potential source is given the power supplies such as some accessory system, ancillary apparatus, Source Music during this position;
ON: during this position all control units are powered, such as entire car controller, battery management system, micro-control unit;
START: chaufeur is got to the START gear with key from the ON gear, and entire car controller judges that the car load high-tension system whether can above forceful electric power, can carry out the high-pressure system action that powers on during this position.
Gear is identified the control function: vehicle satisfies the condition of advancing and comprises: power-transfer clutch is closed, car load moves or move backward the speed of a motor vehicle less than 2km to travel direction; The condition that satisfies vehicle backing need guarantee vehicle under non-neutral position state, under the current working speed of a motor vehicle be 0 or the speed of a motor vehicle less than 2km and less drive torque;
The drive motor that guarantees vehicle in the neutral situation rotating speed moment do not occur and rises to very high rotating speed;
Guarantee in the reversing situation that the vehicle backing speed of a motor vehicle is no more than setting value, not in the situation that vehicle has very large kinetic energy to move backward, reach the purpose of protection drive motor.
Drive the torque demand function: entire car controller changes by gathering the acceleration pedal output voltage values, judges the torque demand intention of chaufeur; Incoming signal is the acceleration pedal change in depth, and change in depth reflects that magnitude of voltage changes, and by gathering the signal of acceleration pedal, the control car load accelerates; Master mode is based on the master mode of moment of torsion.
The speed data collection computing function: install onboard car speed sensor additional, sensor is directly inputted to vehicle speed signal in the entire car controller.
Electric air-conditioning control function: the on-off signal of electric air-conditioning is high-low level, and high level is for opening, and low level is for closing; Because of electric air-conditioning consumption be the electric energy of electrokinetic cell bag, and power is larger, it is large that its continual mileage on car load affects the rate of exchange, therefore should fully take into account the influence factor of electric air-conditioning when formulating car load energy management control policy.
High-tension distribution box control function: comprise the relay that the car load high-tension line is controlled in the high-tension distribution box, comprise, main contactor, preliminary filling relay, charging control relay and DC/DC, air-conditioning main relay.
Pedestrian's alarm function (reservation): because of the low-noise characteristic of pure electric automobile, for increasing the safety in the Vehicle Driving Cycle process, increase pedestrian's alarm function.When the speed of a motor vehicle during at 0＜V＜20km/h, send alerting signal (Low level effective); The speed of a motor vehicle is lower than setting value, and the output warning signal reaches the purpose of warning the pedestrian.
Power system high-tension current function is cut off in collision: after vehicle was received collision alarm, battery management module can initiatively cut off main contactor or entire car controller sends the instruction of cutting off main contactor to battery management module, and this moment, high-tension current can be cut off; It should be noted that when power system is initiatively cut off the electrokinetic cell high-tension current, system possesses the function that can car load can be re-powered by the conscious operation of chaufeur.
The bright function of backing-up lamp when entering reversing: when power system drove vehicle backing, backing-up lamp was lighted; When entire car controller judges that the signal that reverses gear is effective, the output astern signal.
The drive motor overspeed protection: the Motor Over Speed protection module receives motor speed value and the current maximum allowable driving torque of motor value, searches overspeed protection torque limiting one dimension table according to rotating speed, obtains the overspeed protection coefficient of correction; The Motor Over Speed torque limited is that overspeed protection coefficient of correction and motor maximum torque are long-pending.
Pure electric automobile entire car controller of the present utility model comprises power system administration module and safety management module, also comprises high-pressure system administration module and low-pressure system administration module; The high-pressure system administration module has the high-tension distribution box administrative unit, comprises the relay that the car load high-tension line is controlled in the high-tension distribution box, comprises main contactor, preliminary filling relay, charging control relay and DC/DC, air-conditioning main relay; The low-pressure system administration module has the low-voltage electrical apparatus control unit, the normal power-on and power-off function of control height piezoelectricity; Electric automobile whole distributes electricity consumption automatically, and guarantees safety in utilizing electric energy, and is easy to realize the renewal of entire car controller parameter.
Claims (8)
1. pure electric automobile entire car controller, comprise power system administration module and safety management module, it is characterized in that: described entire car controller also comprises high-pressure system administration module and low-pressure system administration module, and described module all connects by the CAN bus signals.
2. according to the described pure electric automobile entire car controller of claim l, it is characterized in that: described high-pressure system administration module has the high-tension distribution box administrative unit, described high-tension distribution box administrative unit comprises the relay that the car load high-tension line is controlled, and comprises main contactor, preliminary filling relay, charging control relay, DC-DC power supply and air-conditioning main relay.
3. according to the described pure electric automobile entire car controller of claim l, it is characterized in that: described low-pressure system administration module has the low-voltage electrical apparatus control unit, with the normal power-on and power-off of control height piezoelectricity.
4. according to the described pure electric automobile entire car controller of claim l, it is characterized in that: described entire car controller also comprises the driver intention parsing module, described driver intention parsing module has gear administrative unit and torque demand administrative unit, judges gearshift intention and torque demand intention by signal respectively.
5. according to the described pure electric automobile entire car controller of claim l, it is characterized in that: described power system administration module comprises that the motor control module, battery management module and other power system equipment that connect by the CAN bus signals comprise permagnetic synchronous motor, power-transfer clutch, change-speed box and retarder.
6. pure electric automobile entire car controller according to claim 5, it is characterized in that: described motor control module has the Motor Over Speed protected location.
7. pure electric automobile entire car controller according to claim 5, it is characterized in that: described battery management module has crash protection unit and electric air-conditioning control unit.
8. according to the described pure electric automobile entire car controller of claim l, it is characterized in that: described safety management module has the pedestrian and warns administrative unit, car speed sensor, gear identification control unit, fault detection record cell, security control unit and backing-up lamp control unit; Described gear identification control unit is controlled to the identification of vehicle gear and by entire car controller, and described backing-up lamp control unit is exported astern signal by entire car controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220345260 CN202686231U (en) | 2012-07-17 | 2012-07-17 | Master controller of pure electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220345260 CN202686231U (en) | 2012-07-17 | 2012-07-17 | Master controller of pure electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202686231U true CN202686231U (en) | 2013-01-23 |
Family
ID=47541889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220345260 Expired - Fee Related CN202686231U (en) | 2012-07-17 | 2012-07-17 | Master controller of pure electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202686231U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640534A (en) * | 2013-12-19 | 2014-03-19 | 西华大学 | Complete car control system of formula student full electrical sports car |
| CN104842799A (en) * | 2014-12-17 | 2015-08-19 | 北汽福田汽车股份有限公司 | Monitoring method, system and vehicle of power supply voltage of vehicle-mounted controller |
| CN105564347A (en) * | 2014-10-29 | 2016-05-11 | 德尔福国际运营卢森堡有限公司 | Sensor system |
| CN107215241A (en) * | 2017-04-07 | 2017-09-29 | 东风特汽（十堰）专用车有限公司 | A kind of control system |
| CN107244265A (en) * | 2017-06-26 | 2017-10-13 | 保定中兴田野新能源汽车科技有限公司 | Electric coaching car whole-control system |
| CN108189671A (en) * | 2017-12-28 | 2018-06-22 | 华晨鑫源重庆汽车有限公司 | Vehicle-state detecting system and method |
-
2012
- 2012-07-17 CN CN 201220345260 patent/CN202686231U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640534A (en) * | 2013-12-19 | 2014-03-19 | 西华大学 | Complete car control system of formula student full electrical sports car |
| CN105564347A (en) * | 2014-10-29 | 2016-05-11 | 德尔福国际运营卢森堡有限公司 | Sensor system |
| CN104842799A (en) * | 2014-12-17 | 2015-08-19 | 北汽福田汽车股份有限公司 | Monitoring method, system and vehicle of power supply voltage of vehicle-mounted controller |
| CN107215241A (en) * | 2017-04-07 | 2017-09-29 | 东风特汽（十堰）专用车有限公司 | A kind of control system |
| CN107215241B (en) * | 2017-04-07 | 2018-08-28 | 东风特汽（十堰）专用车有限公司 | A kind of control system |
| CN107244265A (en) * | 2017-06-26 | 2017-10-13 | 保定中兴田野新能源汽车科技有限公司 | Electric coaching car whole-control system |
| CN108189671A (en) * | 2017-12-28 | 2018-06-22 | 华晨鑫源重庆汽车有限公司 | Vehicle-state detecting system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202685982U (en) | Complete vehicle controller for pure electric vehicle | |
| CN202686231U (en) | Master controller of pure electric car | |
| CN103991386B (en) | A kind of stroke-increasing electric automobile whole-control system and control method | |
| CN102167001B (en) | Controller for electric vehicle | |
| CN202016445U (en) | Finished vehicle controller for electric vehicle | |
| CN102717714B (en) | Pure electric vehicle braking energy recovery control system and method based on DCT (Data Communication Terminal) | |
| CN202641405U (en) | Braking energy recovery control system of blade electric vehicle based on dual clutch transmission (DCT) | |
| CN103010123B (en) | Vehicle control unit for pure electric vehicle | |
| CN107117067A (en) | A kind of electric sanitation vehicle control | |
| JP2005348583A (en) | Controller for electric vehicle | |
| CN103552601B (en) | There is the fluid-link steering control method automatically remedying function | |
| CN102887122B (en) | A kind of hybrid vehicle High voltage accessory energy management | |
| CN103863301A (en) | Method and system for controlling drive torque of vehicle | |
| CN202641573U (en) | Vehicle control unit for pure electromobile | |
| CN204340934U (en) | A kind of new-energy automobile entire car controller | |
| CN201544892U (en) | Control system of electric vehicle | |
| JP5275529B1 (en) | Display device for electric vehicle | |
| CN102897171A (en) | High-pressure accessory energy managing method for series hybrid electric vehicle | |
| CN214164722U (en) | Special mixing device for light truck | |
| CN101624051A (en) | Externally connected rechargeable hybrid power vehicle hardware system and control method thereof | |
| CN202657024U (en) | High-pressure safety prevention and control system of hybrid electric vehicle | |
| CN204150102U (en) | Plug-in hybrid-power automobile steering safety protection system | |
| CN202641691U (en) | Finished automobile controller of battery electric vehicle | |
| CN103481782B (en) | A kind of instrument system of hybrid vehicle | |
| CN104608644A (en) | Electric automobile segmentation composite braking system and electric automobile segmentation composite braking energy recovery method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20210717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |