CN105109479A - Mode switching system and method for hybrid electric vehicle with function of external connection - Google Patents
Mode switching system and method for hybrid electric vehicle with function of external connection Download PDFInfo
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- CN105109479A CN105109479A CN201510564082.7A CN201510564082A CN105109479A CN 105109479 A CN105109479 A CN 105109479A CN 201510564082 A CN201510564082 A CN 201510564082A CN 105109479 A CN105109479 A CN 105109479A
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- engine
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- electrical motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/40—Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/08—Electric propulsion units
- B60W2510/081—Speed
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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
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a mode switching system and method for a hybrid electric vehicle with the function of external connection. The mode switching system comprises a manual button, a central processing unit, an electric motor flywheel rotating speed sensor, an engine flywheel rotating speed sensor, an engine controller and an electric motor controller, wherein the manual button is used for performing system mode manual switching by a driver; the central processing unit is used for receiving and transmitting electrical signals of the manual button, the electric motor flywheel rotating speed sensor, the engine flywheel rotating speed sensor, the electric motor controller and the engine controller; the electric motor controller is used for controlling the operation of an electric motor; the engine controller is used for controlling the operation of an engine; the electric motor flywheel rotating speed sensor is used for collecting a flywheel rotating speed signal of the electric motor; the engine flywheel rotating speed sensor is used for collecting a flywheel rotating speed signal of the engine. Through the adoption of the mode switching system disclosed by the invention, frequent charging processes and frequent discharging processes of an accumulator group are avoided, the service life of an accumulator is prolonged, and the operational efficiency of the accumulator is improved.
Description
Technical field
The invention belongs to the mode switching system field of hybrid vehicle, especially relate to a kind of for can the mode switching system of circumscribed hybrid vehicle and method.
Background technology
Externally rechargeable type mixed power electronlmobil is the power battery charging be equipped with in system by access domestic power supply or power source special, can only utilize battery driven motor driving electric automobile to travel with electric-only mode after charging.After the dump energy of rechargeable battery is finished, this car can start parallel connection that combustion engine takes or series hybrid mode continues to travel, achieve oil electricity mixing truly, both can " refuel ", also can " charge ", the zero-emission that can realize longer mileage travels, more more clean than conventional hybrid.
Relative to ordinary hybrid automobile, can have two kinds of different operational modes by circumscribed hybrid vehicle, the first is electric-only mode, runs in such a mode, and electric energy is the energy that unique propelling vehicle travels.Battery exports automobile demand power by motor, and driving engine cuts out completely, not horsepower output.Battery charge state SOC is obvious downswing, until reach SOC critical value.After this, automobile enters mixed mode, and namely when battery charge state SOC is in reduced levels, automobile proceeds to mixed mode automatically.In this mode, driving engine and battery collaborative work, fuel oil and electric energy provide power as dual power source to automobile.
When running car is at city road, automotive operation is at electric-only mode.And when automobile carries out long-term travel, after automobile terminates electric-only mode, automatically proceed to hybrid mode.In the process, automobile is in the circulation of degree of depth discharge and recharge all the time, thus brings the problem that the life-span of battery pack and work efficiency all significantly decline.
Summary of the invention
For hybrid vehicle in prior art exist with in the battery pack state-of-charge SOC automatic switching procedure that is threshold value, because of the process of degree of depth discharge and recharge continually, make the deficiency that the life-span of battery pack and efficiency reduce, the invention provides a kind of for can the mode switching system of circumscribed hybrid vehicle and method, realize chaufeur independently to change between " electric-only mode " and " pure oil consumption pattern ", extend battery age, improve the work efficiency of storage battery.
The present invention realizes above-mentioned technical purpose by following technological means.
For can the mode switching system of circumscribed hybrid vehicle, comprise hand push button, central process unit, electrical motor Speed of Reaction Wheels sensor, engine flywheel tachogen, engine controller and motor controller; Described hand push button, electrical motor Speed of Reaction Wheels sensor, engine flywheel tachogen, motor controller and engine controller are all electrically connected with central process unit;
Described hand push button is used for chaufeur and carries out manual switchover system model; Described central process unit is for receiving and transmit the electric signal of hand push button, electrical motor Speed of Reaction Wheels sensor, engine flywheel tachogen, motor controller and engine controller;
Described motor controller is for controlling the running of electrical motor; Described engine controller is for controlling the running of driving engine;
Described electrical motor Speed of Reaction Wheels sensor is for gathering the Speed of Reaction Wheels signal of electrical motor;
Described engine flywheel tachogen is for gathering the Speed of Reaction Wheels signal of driving engine.
Further, described electrical motor Speed of Reaction Wheels sensor is installed on the outer ring of electrical motor flywheel; Described engine flywheel tachogen is installed on the outer ring of engine flywheel.
Further, described electrical motor Speed of Reaction Wheels sensor and engine flywheel tachogen all adopt SC12-20K tachogen.
Further, described central process unit is electronic control unit ECU.
For can the mode switching method of circumscribed hybrid vehicle, comprise following steps:
S1: chaufeur independently judges whether can carry out transition by city road to fastlink by circumscribed hybrid vehicle; If by city road to fastlink transition, then chaufeur trigger manual button makes automobile be switched by " electric-only mode " to " pure oil consumption pattern "; If still at city road, then chaufeur not trigger manual button;
S2: after chaufeur trigger manual button, automobile starts to be switched by " electric-only mode " to " pure oil consumption pattern "; Hand push button by triggering signal transmissions to electronic control unit ECU, electronic control unit ECU immediately by triggering signal transmissions to motor controller and engine controller; Motor controller transmission signal keeps to motor control automobile that the speed of a motor vehicle is at that time stable at the uniform velocity to travel; Meanwhile, engine controller is to driving engine transmission " startup " signal, and engine ignition is started, and chaufeur tramples the size that Das Gaspedal starts to control engine air throttle aperture;
S3: the signal feedback that driving engine has started by engine controller is to electronic control unit ECU; Electric signal is transferred to electrical motor Speed of Reaction Wheels sensor and engine flywheel tachogen by electronic control unit ECU respectively, electrical motor Speed of Reaction Wheels sensor and engine flywheel tachogen start to measure electrical motor Speed of Reaction Wheels and engine flywheel rotating speed respectively, when both Speed of Reaction Wheels are equal, electrical motor Speed of Reaction Wheels sensor and engine flywheel tachogen by signal feedback equal for rotating speed to electronic control unit ECU;
S4: electronic control unit ECU by electric signal transmission to motor controller, motor controller controls electric motor circuit breaking stall; Now can be converted to " pure oil consumption pattern " by circumscribed hybrid vehicle;
S5: chaufeur judges to terminate fastlink when automobile, and during to city road transition, chaufeur is trigger manual button again; Automobile is switched to " electric-only mode " by " pure oil consumption pattern ";
S6: hand push button by triggering signal transmissions to electronic control unit ECU, electronic control unit ECU immediately by triggering signal transmissions to motor controller and engine controller; Motor controller " to stop working " signal to driving engine transmission, and engine flywheel rotating speed declines gradually; Meanwhile, electronic control unit ECU is by electric signal transmission to motor controller, and motor controller, to driving engine transmission " startup " signal, makes motor start-up, and Das Gaspedal starts to control electrical motor; Now can revert to " electric-only mode " by circumscribed hybrid vehicle.
Beneficial effect of the present invention:
Of the present invention for can the mode switching system of circumscribed hybrid vehicle and method, on the basis of the automatic switchover mode being threshold value with battery pack state-of-charge SOC, add chaufeur independently can switch " electric-only mode " and " pure oil consumption pattern " function according to different sections of highway; When automobile travels at fastlink, be switched to from " electric-only mode " " pure oil consumption pattern ", make automotive engine be operated in the optimum interval of efficiency and discharge region, while ensureing automobile fuel ecomomy, ensure the dynamic property of automobile; When automobile leave fastlink sail city road into time, be switched to again " electric-only mode " from " pure oil consumption pattern ", avoiding in time can circumscribed hybrid vehicle battery pack charge and discharge process frequently, prolonging service life of battery, increases working efficiency of accumulator.
Accompanying drawing explanation
Fig. 1 is of the present invention for can the constructional drawing of mode switching system of circumscribed hybrid vehicle.
Fig. 2 is of the present invention for can the diagram of circuit of mode switching method of circumscribed hybrid vehicle.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As shown in Figure 1, a kind of for can the mode switching system of circumscribed hybrid vehicle, comprise hand push button, central process unit, electrical motor Speed of Reaction Wheels sensor, engine flywheel tachogen, engine controller and motor controller; Described hand push button, electrical motor Speed of Reaction Wheels sensor, engine flywheel tachogen, motor controller are all connected with central process unit electrical equipment with engine controller;
Described hand push button is used for chaufeur and carries out manual switchover system model; Described central process unit is for receiving and transmit the electric signal of hand push button, electrical motor Speed of Reaction Wheels sensor, engine flywheel tachogen, motor controller and engine controller;
Described motor controller is for controlling the running of electrical motor; Described engine controller is for controlling the running of driving engine;
Described electrical motor Speed of Reaction Wheels sensor is for gathering the Speed of Reaction Wheels signal of electrical motor;
Described engine flywheel tachogen is for gathering the Speed of Reaction Wheels signal of driving engine.
Described electrical motor Speed of Reaction Wheels sensor is installed on the outer ring of electrical motor flywheel; Described engine flywheel tachogen is installed on the outer ring of engine flywheel; Described electrical motor Speed of Reaction Wheels sensor and engine flywheel tachogen all adopt SC12-20K tachogen; Described central process unit is electronic control unit ECU.
As shown in Figure 2, utilize described for can the changing method of mode switching system of circumscribed hybrid vehicle, specifically comprise following steps:
S1: chaufeur independently judges whether can carry out transition by city road to fastlink by circumscribed hybrid vehicle; If by city road to fastlink transition, then chaufeur trigger manual button makes automobile be switched by " electric-only mode " to " pure oil consumption pattern "; If still at city road, then chaufeur not trigger manual button;
S2: after chaufeur trigger manual button, automobile starts to be switched by " electric-only mode " to " pure oil consumption pattern "; Hand push button by triggering signal transmissions to electronic control unit ECU, electronic control unit ECU immediately by triggering signal transmissions to motor controller and engine controller; Motor controller transmission signal keeps to motor control automobile that the speed of a motor vehicle is at that time stable at the uniform velocity to travel; Meanwhile, engine controller is to driving engine transmission " startup " signal, and engine ignition is started, and chaufeur tramples the size that Das Gaspedal starts to control engine air throttle aperture;
S3: the signal feedback that driving engine has started by engine controller is to electronic control unit ECU; Electric signal is transferred to electrical motor Speed of Reaction Wheels sensor and engine flywheel tachogen by electronic control unit ECU respectively, electrical motor Speed of Reaction Wheels sensor and engine flywheel tachogen start to measure electrical motor Speed of Reaction Wheels and engine flywheel rotating speed respectively, when both Speed of Reaction Wheels are equal, electrical motor Speed of Reaction Wheels sensor and engine flywheel tachogen by signal feedback equal for rotating speed to electronic control unit ECU;
S4: electronic control unit ECU by electric signal transmission to motor controller, motor controller controls electric motor circuit breaking stall; Now can be converted to " pure oil consumption pattern " by circumscribed hybrid vehicle;
S5: chaufeur judges to terminate fastlink when automobile, and during to city road transition, chaufeur is trigger manual button again; Automobile is switched to " electric-only mode " by " pure oil consumption pattern ";
S6: hand push button by triggering signal transmissions to electronic control unit ECU, electronic control unit ECU immediately by triggering signal transmissions to motor controller and engine controller; Motor controller " to stop working " signal to driving engine transmission, and engine flywheel rotating speed declines gradually; Meanwhile, electronic control unit ECU is by electric signal transmission to motor controller, and motor controller, to driving engine transmission " startup " signal, makes motor start-up, and Das Gaspedal starts to control electrical motor; Now can revert to " electric-only mode " by circumscribed hybrid vehicle.This system and method avoids can circumscribed hybrid vehicle battery pack charge and discharge process frequently, prolonging service life of battery, increases working efficiency of accumulator, has good application prospect.
Described embodiment is preferred embodiment of the present invention; but the present invention is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.
Claims (5)
1., for can the mode switching system of circumscribed hybrid vehicle, it is characterized in that, comprise hand push button, central process unit, electrical motor Speed of Reaction Wheels sensor, engine flywheel tachogen, engine controller and motor controller; Described hand push button, electrical motor Speed of Reaction Wheels sensor, engine flywheel tachogen, motor controller and engine controller are all electrically connected with central process unit;
Described hand push button is used for chaufeur and carries out manual switchover system model; Described central process unit is for receiving and transmit the electric signal of hand push button, electrical motor Speed of Reaction Wheels sensor, engine flywheel tachogen, motor controller and engine controller;
Described motor controller is for controlling the running of electrical motor; Described engine controller is for controlling the running of driving engine;
Described electrical motor Speed of Reaction Wheels sensor is for gathering the Speed of Reaction Wheels signal of electrical motor;
Described engine flywheel tachogen is for gathering the Speed of Reaction Wheels signal of driving engine.
2. according to claim 1 a kind of for can the mode switching system of circumscribed hybrid vehicle, it is characterized in that, described electrical motor Speed of Reaction Wheels sensor be installed on the outer ring of electrical motor flywheel; Described engine flywheel tachogen is installed on the outer ring of engine flywheel.
3. according to claim 1 a kind of for can the mode switching system of circumscribed hybrid vehicle, it is characterized in that, described electrical motor Speed of Reaction Wheels sensor and engine flywheel tachogen all adopt SC12-20K tachogen.
4. according to claim 1 a kind of for can the mode switching system of circumscribed hybrid vehicle, it is characterized in that, described central process unit be electronic control unit ECU.
5., for can the mode switching method of circumscribed hybrid vehicle, it is characterized in that, comprise following steps:
S1: chaufeur independently judges whether can carry out transition by city road to fastlink by circumscribed hybrid vehicle; If by city road to fastlink transition, then chaufeur trigger manual button makes automobile be switched by " electric-only mode " to " pure oil consumption pattern "; If still at city road, then chaufeur not trigger manual button;
S2: after chaufeur trigger manual button, automobile starts to be switched by " electric-only mode " to " pure oil consumption pattern "; Hand push button by triggering signal transmissions to electronic control unit ECU, electronic control unit ECU immediately by triggering signal transmissions to motor controller and engine controller; Motor controller transmission signal keeps to motor control automobile that the speed of a motor vehicle is at that time stable at the uniform velocity to travel; Meanwhile, engine controller is to driving engine transmission " startup " signal, and engine ignition is started, and chaufeur tramples the size that Das Gaspedal starts to control engine air throttle aperture;
S3: the signal feedback that driving engine has started by engine controller is to electronic control unit ECU; Electric signal is transferred to electrical motor Speed of Reaction Wheels sensor and engine flywheel tachogen by electronic control unit ECU respectively, electrical motor Speed of Reaction Wheels sensor and engine flywheel tachogen start to measure electrical motor Speed of Reaction Wheels and engine flywheel rotating speed respectively, when both Speed of Reaction Wheels are equal, electrical motor Speed of Reaction Wheels sensor and engine flywheel tachogen by signal feedback equal for rotating speed to electronic control unit ECU;
S4: electronic control unit ECU by electric signal transmission to motor controller, motor controller controls electric motor circuit breaking stall; Now can be converted to " pure oil consumption pattern " by circumscribed hybrid vehicle;
S5: chaufeur judges to terminate fastlink when automobile, and during to city road transition, chaufeur is trigger manual button again; Automobile is switched to " electric-only mode " by " pure oil consumption pattern ";
S6: hand push button by triggering signal transmissions to electronic control unit ECU, electronic control unit ECU immediately by triggering signal transmissions to motor controller and engine controller; Motor controller " to stop working " signal to driving engine transmission, and engine flywheel rotating speed declines gradually; Meanwhile, electronic control unit ECU is by electric signal transmission to motor controller, and motor controller, to driving engine transmission " startup " signal, makes motor start-up, and Das Gaspedal starts to control electrical motor; Now can revert to " electric-only mode " by circumscribed hybrid vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510564082.7A CN105109479A (en) | 2015-09-07 | 2015-09-07 | Mode switching system and method for hybrid electric vehicle with function of external connection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510564082.7A CN105109479A (en) | 2015-09-07 | 2015-09-07 | Mode switching system and method for hybrid electric vehicle with function of external connection |
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| CN105109479A true CN105109479A (en) | 2015-12-02 |
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| CN201510564082.7A Pending CN105109479A (en) | 2015-09-07 | 2015-09-07 | Mode switching system and method for hybrid electric vehicle with function of external connection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110155038A (en) * | 2019-04-11 | 2019-08-23 | 汉腾汽车有限公司 | The control method of switching is driven in a kind of oil drive with electricity |
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| CN1726142A (en) * | 2002-11-19 | 2006-01-25 | 本田技研工业株式会社 | Clutch control apparatus for hybrid vehicle |
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| CN103153741A (en) * | 2010-10-21 | 2013-06-12 | 日野自动车株式会社 | Running mode switch control device, hybrid automobile, running mode switch control method, and program |
| CN104105627A (en) * | 2012-01-26 | 2014-10-15 | 日产自动车株式会社 | Hybrid vehicle management system, hybrid vehicle control apparatus, and hybrid vehicle control method |
| JP2015137084A (en) * | 2014-01-24 | 2015-07-30 | 日産自動車株式会社 | Device for controlling hybrid vehicle |
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2015
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Patent Citations (8)
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|---|---|---|---|---|
| JPH1175302A (en) * | 1997-07-03 | 1999-03-16 | Hino Motors Ltd | Hybrid car |
| CN1726142A (en) * | 2002-11-19 | 2006-01-25 | 本田技研工业株式会社 | Clutch control apparatus for hybrid vehicle |
| CN101570131A (en) * | 2009-06-03 | 2009-11-04 | 奇瑞汽车股份有限公司 | Four-wheel driven hybrid vehicle driving system and driving management method thereof |
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| CN201769674U (en) * | 2010-06-24 | 2011-03-23 | 上海汽车集团股份有限公司 | Hybrid power system |
| CN103153741A (en) * | 2010-10-21 | 2013-06-12 | 日野自动车株式会社 | Running mode switch control device, hybrid automobile, running mode switch control method, and program |
| CN104105627A (en) * | 2012-01-26 | 2014-10-15 | 日产自动车株式会社 | Hybrid vehicle management system, hybrid vehicle control apparatus, and hybrid vehicle control method |
| JP2015137084A (en) * | 2014-01-24 | 2015-07-30 | 日産自動車株式会社 | Device for controlling hybrid vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110155038A (en) * | 2019-04-11 | 2019-08-23 | 汉腾汽车有限公司 | The control method of switching is driven in a kind of oil drive with electricity |
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