CN106122464A - A kind of method that pure electric automobile realizes parking by AMT change speed gear box - Google Patents

A kind of method that pure electric automobile realizes parking by AMT change speed gear box Download PDF

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Publication number
CN106122464A
CN106122464A CN201610779748.5A CN201610779748A CN106122464A CN 106122464 A CN106122464 A CN 106122464A CN 201610779748 A CN201610779748 A CN 201610779748A CN 106122464 A CN106122464 A CN 106122464A
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CN
China
Prior art keywords
change speed
gear box
speed gear
automatic gearshift
box
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.)
Granted
Application number
CN201610779748.5A
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Chinese (zh)
Other versions
CN106122464B (en
Inventor
李磊
陈友飞
李红志
黄全安
吕小科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU GREEN CONTROL DRIVE SCIENCE AND TECHNOLOGY CO., LTD.
Original Assignee
Suzhou Lvkon Transmission S&T Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Suzhou Lvkon Transmission S&T Co Ltd filed Critical Suzhou Lvkon Transmission S&T Co Ltd
Priority to CN201610779748.5A priority Critical patent/CN106122464B/en
Publication of CN106122464A publication Critical patent/CN106122464A/en
Application granted granted Critical
Publication of CN106122464B publication Critical patent/CN106122464B/en
Active legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0204Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/36Inputs being a function of speed
    • F16H59/44Inputs being a function of speed dependent on machine speed of the machine, e.g. the vehicle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/68Inputs being a function of gearing status
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0204Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0213Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/36Inputs being a function of speed
    • F16H59/44Inputs being a function of speed dependent on machine speed of the machine, e.g. the vehicle
    • F16H2059/446Detecting vehicle stop, i.e. the vehicle is at stand still, e.g. for engaging parking lock
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0204Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0213Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
    • F16H2061/0225Modifying of shift maps by manual control, e.g. by learning values from the driver during manual shift mode

Abstract

The invention provides a kind of method that pure electric automobile realizes parking by AMT change speed gear box, it is on the basis of original parking brake, increases the function of change speed gear box parking, does not increase system cost, and improves ramp parking stability.It arranges the automatic gearshift of at least two independence on AMT change speed gear box, each automatic gearshift independently controls respective notch, after driver presses P gear switch, TCU receives switching signal, TCU judges when vehicle is in dead ship condition, the independent at least two automatic gearshift that controls enters shelves simultaneously, the automatic gearshift being now controlled is linked into each self-corresponding gear respectively, now at least two shelves hung by change speed gear box simultaneously, owing to the speed ratio of each grade is different, the rotary freedom causing change speed gear box input and output shaft is 0, change speed gear box is in the lock state, output shaft of gear-box can not rotate, therefore wheel also cannot rotate, vehicle is in parked state.

Description

A kind of method that pure electric automobile realizes parking by AMT change speed gear box
Technical field
The present invention relates to the technical field of vehicle parking, be specially a kind of pure electric automobile and realize staying by AMT change speed gear box The method of car.
Background technology
In pure electric automobile field, when pure electric automobile needs to carry out parking in ramp, it is to pass through hands under normal circumstances Stopping, but parking brake sometimes can be malfunctioning, another passes through electronics parking brake, but the cost of electronics parking brake is relatively high.
Summary of the invention
For the problems referred to above, the invention provides a kind of method that pure electric automobile realizes parking by AMT change speed gear box, its On the basis of original parking brake, increase the function of change speed gear box parking, do not increase system cost, and improve ramp parking stability.
A kind of method that pure electric automobile realizes parking by AMT change speed gear box, it is characterised in that: it is on AMT change speed gear box Arranging the automatic gearshift of at least two independence, each automatic gearshift independently controls respective notch, and driver presses P shelves and opens Guan Hou, TCU receive switching signal, and TCU judges when vehicle is in dead ship condition, and independent control at least two automatic gearshift is same Time enter shelves, the automatic gearshift being now controlled is linked into each self-corresponding gear respectively, and now change speed gear box is hung at least simultaneously Two shelves, owing to the speed ratio of each grade is different, the rotary freedom causing change speed gear box input and output shaft is 0, and change speed gear box is in Lock-out state, output shaft of gear-box can not rotate, and therefore wheel also cannot rotate, and vehicle is in parked state, and driver releases P shelves After switch, corresponding automatic gearshift simultaneously returns to neutral, and output shaft of gear-box recovers rotary freedom, change speed gear box parking Status releasing, reverts to normal operating conditions.
It is further characterized by
Described AMT change speed gear box is specially the AMT change speed gear box of at least three shelves, and it includes the self shifter of at least two independence Mechanism, each automatic gearshift controls respective notch respectively;
Described AMT change speed gear box is specially the AMT change speed gear box of at least four shelves, and it includes the self shifter of at least two independence Mechanism, each automatic gearshift controls two gears respectively, and wherein the first automatic gearshift controls 1/2 grade, and second is automatic Gear shifting structure controls 3/4 grade, and after driver presses P gear switch, TCU receives switching signal, and TCU judges that vehicle is in dead ship condition Time, control respectively the first automatic gearshift change speed gear box is linked into 1 grade or 2 grades, the second self shifter structure by change speed gear box hang Entering 3 grades or 4 grades, the first automatic gearshift, the second self shifter structure are linked into different gear simultaneously, due to the speed of two shelves Ratio is different, and the rotary freedom causing change speed gear box input and output shaft is 0, and change speed gear box is in the lock state, and vehicle is in parking State;After driver releases P gear switch, two gearshifts simultaneously return to neutral, and output shaft of gear-box recovers rotary freedom, Change speed gear box parked state releases.
After using technique scheme, after driver presses P gear switch, TCU receives switching signal, and TCU judges that vehicle is in During dead ship condition, the independent at least two automatic gearshift that controls enters shelves simultaneously, and the automatic gearshift being now controlled divides Not being linked into each self-corresponding gear, now at least two shelves hung by change speed gear box simultaneously, owing to the speed ratio of each grade is different, cause becoming The rotary freedom of speed case input and output shaft is 0, and change speed gear box is in the lock state, and output shaft of gear-box can not rotate, therefore car Wheel also cannot rotate, and vehicle is in parked state, and it is on the basis of original parking brake, increases the function of change speed gear box parking, does not increases Adding system cost, and improve ramp parking stability.
Accompanying drawing explanation
Fig. 1 is the schematic block diagram of the present invention.
Detailed description of the invention
A kind of method that pure electric automobile realizes parking by AMT change speed gear box, is shown in Fig. 1: its arrange on AMT change speed gear box to Few two independent automatic gearshifts, each automatic gearshift independently controls the gear of correspondence, and driver presses P gear switch After, TCU receives switching signal, and TCU judges when vehicle is in dead ship condition, and independent control at least two automatic gearshift is simultaneously Entering shelves, the automatic gearshift being now controlled is linked into each self-corresponding gear respectively, and now change speed gear box hangs at least two simultaneously Individual shelves, owing to the speed ratio of each grade is different, the rotary freedom causing change speed gear box input and output shaft is 0, and change speed gear box is in lock Determining state, output shaft of gear-box can not rotate, and therefore wheel also cannot rotate, and vehicle is in parked state, and driver releases P shelves and opens After pass, corresponding automatic gearshift simultaneously returns to neutral, and output shaft of gear-box recovers rotary freedom, change speed gear box parking shape State releases, and reverts to normal operating conditions.
Specific embodiment: AMT change speed gear box is specially the AMT change speed gear box of at least four shelves, it includes at least two independence Automatic gearshift, each automatic gearshift controls two gears respectively, and wherein the first automatic gearshift controls 1/2 grade, Second self shifter structure control 3/4 grade, after driver presses P gear switch, TCU receives switching signal, and TCU judges that vehicle is in and stops During car state, control the first automatic gearshift respectively and change speed gear box is linked into 1 grade or 2 grades, second self shifter structure general's change Speed case is linked into 3 grades or 4 grades, and the first automatic gearshift, the second self shifter structure are linked into different gear simultaneously, due to two The speed ratio of shelves is different, and the rotary freedom causing change speed gear box input and output shaft is 0, and change speed gear box is in the lock state, at vehicle In parked state;After driver releases P gear switch, two gearshifts simultaneously return to neutral, and output shaft of gear-box recovers to rotate Degree of freedom, change speed gear box parked state releases;
When AMT change speed gear box includes three gears, the first automatic gearshift controls 1/2 grade, the second self shifter structure Controlling 3 grades, after driver presses P gear switch, TCU receives switching signal, and TCU judges, when vehicle is in dead ship condition, to control respectively First automatic gearshift change speed gear box is linked into 1 grade or 2 grades, the second self shifter structure change speed gear box is linked into 3 grades, first from Move retaining device, the second self shifter structure is linked into different gear simultaneously, owing to the speed ratio of two shelves is different, causes change speed gear box The rotary freedom of input and output shaft is 0, and change speed gear box is in the lock state, and vehicle is in parked state;Driver releases P gear switch Afterwards, two gearshifts simultaneously return to neutral, and output shaft of gear-box recovers rotary freedom, and change speed gear box parked state releases.
In literary composition, the translator of Chinese of TCU is automatic gear-box control unit, and it is existing mature structure.
Above the specific embodiment of the present invention is described in detail, but content has been only the preferable enforcement of the invention Example, it is impossible to be considered the practical range for limiting the invention.All impartial changes made according to the invention application range Change and improvement etc., within all should still belonging to the patent covering scope of the present invention.

Claims (3)

1. the method that a pure electric automobile realizes parking by AMT change speed gear box, it is characterised in that: it sets on AMT change speed gear box Putting the automatic gearshift of at least two independence, each automatic gearshift independently controls respective notch, and driver presses P gear switch After, TCU receives switching signal, and TCU judges when vehicle is in dead ship condition, and independent control at least two automatic gearshift is simultaneously Entering shelves, the automatic gearshift being now controlled is linked into each self-corresponding gear respectively, and now change speed gear box hangs at least two simultaneously Individual shelves, owing to the speed ratio of each grade is different, the rotary freedom causing change speed gear box input and output shaft is 0, and change speed gear box is in lock Determining state, output shaft of gear-box can not rotate, and therefore wheel also cannot rotate, and vehicle is in parked state, and driver releases P shelves and opens After pass, corresponding automatic gearshift simultaneously returns to neutral, and output shaft of gear-box recovers rotary freedom, change speed gear box parking shape State releases, and reverts to normal operating conditions.
The method that a kind of pure electric automobile the most as claimed in claim 1 realizes parking by AMT change speed gear box, it is characterised in that: Described AMT change speed gear box is specially the AMT change speed gear box of at least three shelves, and it includes the automatic gearshift of at least two independence, often Individual automatic gearshift controls respective notch respectively.
The method that a kind of pure electric automobile the most as claimed in claim 1 or 2 realizes parking by AMT change speed gear box, its feature exists In: described AMT change speed gear box is specially the AMT change speed gear box of at least four shelves, and it includes the automatic gearshift of at least two independence, Wherein the first automatic gearshift controls 1/2 grade, the second self shifter structure control 3/4 grade, after driver presses P gear switch, and TCU Receiving switching signal, TCU judges when vehicle is in dead ship condition, controls the first automatic gearshift respectively and change speed gear box is linked into 1 Change speed gear box is linked into 3 grades or 4 grades by shelves or 2 grades, the second self shifter structure, the first automatic gearshift, second from moving Gear structure is linked into different gear simultaneously, owing to the speed ratio of two shelves is different, cause change speed gear box input and output shaft rotate from by Degree is 0, and change speed gear box is in the lock state, and vehicle is in parked state;After driver releases P gear switch, two gearshifts are same Time return to neutral, output shaft of gear-box recovers rotary freedom, and change speed gear box parked state releases.
CN201610779748.5A 2016-08-31 2016-08-31 A kind of method that pure electric automobile realizes parking by AMT gearboxes Active CN106122464B (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108757918A (en) * 2018-05-24 2018-11-06 黄伟 The control method of electric vehicle multi-gear transmission
CN110834609A (en) * 2018-08-17 2020-02-25 罗伯特·博世有限公司 Method for holding a vehicle in a stationary state, control and regulation mechanism for a braking device of a vehicle, and braking device of a vehicle
CN112145677A (en) * 2020-08-27 2020-12-29 东风汽车集团有限公司 Gear shifting drum, gearbox and vehicle gear self-locking control method
CN113733930A (en) * 2021-08-20 2021-12-03 合众新能源汽车有限公司 Automatic control method and device for locking of power-off parking gear of pure electric vehicle
CN115264057A (en) * 2022-06-30 2022-11-01 中国第一汽车股份有限公司 Vehicle control method and device, storage medium and processor

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CN204095509U (en) * 2014-07-31 2015-01-14 比亚迪股份有限公司 Power drive system and there is the vehicle of this power drive system
CN104696449A (en) * 2015-02-28 2015-06-10 顾志强 Double-input end transmission and driving device using same
JP2016101006A (en) * 2014-11-21 2016-05-30 清水建設株式会社 Electric automobile discrimination method and electric automobile discrimination system

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JPH07184304A (en) * 1993-12-24 1995-07-21 Nippondenso Co Ltd Running controller for electric automobile
CN101544181A (en) * 2009-05-15 2009-09-30 新奥科技发展有限公司 Power assembly system
CN102310760A (en) * 2010-06-30 2012-01-11 比亚迪股份有限公司 Driving method of hybrid driving system
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108757918A (en) * 2018-05-24 2018-11-06 黄伟 The control method of electric vehicle multi-gear transmission
CN110834609A (en) * 2018-08-17 2020-02-25 罗伯特·博世有限公司 Method for holding a vehicle in a stationary state, control and regulation mechanism for a braking device of a vehicle, and braking device of a vehicle
CN112145677A (en) * 2020-08-27 2020-12-29 东风汽车集团有限公司 Gear shifting drum, gearbox and vehicle gear self-locking control method
CN112145677B (en) * 2020-08-27 2022-03-08 东风汽车集团有限公司 Gear shifting drum, gearbox and vehicle gear self-locking control method
CN113733930A (en) * 2021-08-20 2021-12-03 合众新能源汽车有限公司 Automatic control method and device for locking of power-off parking gear of pure electric vehicle
CN113733930B (en) * 2021-08-20 2023-09-29 合众新能源汽车股份有限公司 Automatic control method and device for locking power-down parking gear of pure electric vehicle
CN115264057A (en) * 2022-06-30 2022-11-01 中国第一汽车股份有限公司 Vehicle control method and device, storage medium and processor

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Address after: 215000 No. 1268 Jiaotong South Road, Wujiang District, Suzhou City, Jiangsu Province

Patentee after: SUZHOU GREEN CONTROL DRIVE SCIENCE AND TECHNOLOGY CO., LTD.

Address before: 215000 No. 1268 Jiaotong South Road, Wujiang District, Suzhou City, Jiangsu Province

Patentee before: Suzhou Lvkong Transmission Technology Co., Ltd.