CN102092384B - Reverse protection controlling method for automatic gearbox for vehicle - Google Patents
Reverse protection controlling method for automatic gearbox for vehicle Download PDFInfo
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- CN102092384B CN102092384B CN201010622385.7A CN201010622385A CN102092384B CN 102092384 B CN102092384 B CN 102092384B CN 201010622385 A CN201010622385 A CN 201010622385A CN 102092384 B CN102092384 B CN 102092384B
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- 230000008569 process Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 description 10
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Abstract
The invention discloses a reverse protection controlling method for an automatic gearbox for a vehicle, belonging to the field of automatic gearbox controlling of vehicles. The method comprises the following steps: acquiring a reverse driving signal; judging whether a reverse driving protection condition is tenable or not; sending out a reverse protection request to an engine management system if the reverse driving protection condition is tenable, and sending out a vehicle speed alarm request to an instrument panel module. By providing the reverse protection controlling method for the automatic gearbox for a vehicle, the functions of protection control and vehicle speed alarm to highest vehicle speed limit in the reverse driving process are realized, in terms of active safety and passive safety, a driver is protected from unexpected accident in the reverse driving process.
Description
Technical field
The present invention relates to automatic gearbox of vehicles control field, particularly the self-protection control policy of Automatic Transmission when reversing gear.
Background technology
Enter the nineties in 20th century, global scientific and technological fast development, is constantly used in automatic gearbox of vehicles new Eltec and automatic control technology, and performance-oriented Automatic Transmission is constantly pushed to the market.The automatic catch vehicle that is equipped with Automatic Transmission removes manual shift without driver, and vehicle can select suitable gear to travel according to the speed of travelling and traffic conditions automatically.
Automatic catch vehicle is because it brings people omnibearing travel enjoyment and the low oil consumption such as light, comfortable in driving procedure, low emission performance is approved gradually, and on market, Automatic Transmission entrucking rate is more and more higher, and range of use is also more and more wider.
In realizing process of the present invention, contriver finds that prior art at least exists following problem: automatic catch vehicle is in the driving process that reverses gear, and chaufeur is used for main energy to observe back mirror and controls bearing circle, is difficult for Real-Time Monitoring, regulation speed.Especially run into the road conditions of longer backing distance, the speed of a motor vehicle may be increased to a dangerous speed gradually, and chaufeur is difficult for realizing, if now run into emergency case, chaufeur is difficult to hide in time dangerous situation, has very large personal safety hidden danger.
Summary of the invention
The object of the embodiment of the present invention is the defect for above-mentioned prior art; the protection control method of reversing gear for a kind of automatic gearbox of vehicles is provided; protection control and the speed of a motor vehicle warning function of maximum speed restriction in the driving process of reversing gear have been realized; from active safety and two aspects of passive security, avoid the chaufeur accident that meets accident in the driving process of reversing gear.
The technical scheme that the present invention takes is to achieve these goals:
The protection control method of reversing gear for automatic gearbox of vehicles, mainly comprises:
Obtain the train signal that reverses gear;
Judge whether the driving protective condition that reverses gear is set up;
If reverse gear, the establishment of driving protective condition, sends to engine management system the protection request of reversing gear, and to gauge panel module, sends speed of a motor vehicle warning request.
Describedly to gauge panel module, send the speed of a motor vehicle and report to the police after request and also comprise: whether the judgement driving of reversing gear protects exit criteria to set up.
If described in the driving protection exit criteria that reverses gear set up reverse gear described in cancelling protection request and the described speed of a motor vehicle and report to the police and ask.
The described train signal that reverses gear comprises engine rotational speed signal, vehicle speed signal and shift signal.
The described driving protective condition that reverses gear be specially the speed of a motor vehicle higher than threshold values in the speed of a motor vehicle or engine speed higher than threshold values on rotating speed.
The described driving protection exit criteria that reverses gear is specially the speed of a motor vehicle lower than threshold values under the speed of a motor vehicle.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: by the restriction of maximum speed in the process of reversing gear and the speed of a motor vehicle are reported to the police; too high and the contingency that causes of the speed of a motor vehicle while preventing from reversing gear driving; for automatic gearbox of vehicles reverses gear that safety traffic provides reliably, actv. protection, guarantee that Automatic Transmission can normally work.
Accompanying drawing explanation
Fig. 1 is that the Automatic Transmission power system providing in the embodiment of the present invention forms schematic diagram;
Fig. 2 is the protection control method diagram of circuit that reverses gear for Automatic Transmission providing in the embodiment of the present invention.
In figure:
1, driving engine, 2, axle, 3, change speed gear box, 4, wheel, 5, gauge panel module, 6, change speed gear box control unit, 7, CAN bus, 8, engine management system.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
The present embodiment provides the protection control method of reversing gear for a kind of automatic gearbox of vehicles, and with reference to Fig. 1, described method is mainly that communication and collaborative work between change speed gear box control unit, engine management system and gauge panel module completes by three controllers.Wherein change speed gear box control unit is master controller, and being mainly responsible for reversing gear, protection is controlled, the realization of CAN (Controller Area Network, controller local area network) communication process iso-variable velocity case self function; The protection request of reversing gear that engine management system sends according to it is carried out moment of torsion output and is controlled; Speed of a motor vehicle alarm control is carried out in the speed of a motor vehicle that gauge panel module is sent according to it request of reporting to the police, and not only can point out by display alarm, also sends alarm sound.
With reference to Fig. 2, a kind of automatic gearbox of vehicles that the present embodiment provides mainly comprises by the protection control method of reversing gear:
Obtain the train signal that reverses gear;
The signal that change speed gear box control unit obtains by bottom layer driving software the driving of reversing gear is engine rotational speed signal, vehicle speed signal and shift signal.
Judge whether the driving protective condition that reverses gear is set up;
Change speed gear box control unit judges by engine rotational speed signal, vehicle speed signal and the shift signal obtaining whether the driving protective condition that reverses gear is set up, and the driving protective condition that reverses gear is specially the speed of a motor vehicle higher than threshold values V in the speed of a motor vehicle
highor engine speed is higher than threshold values N on rotating speed
high.Threshold values V in the speed of a motor vehicle
highand threshold values N on rotating speed
highbe the value of demarcating according to different vehicles.
The driving protective condition establishment if reverse gear, change speed gear box control unit sends to engine management system the protection request of reversing gear by CAN bus, then to gauge panel module, sends speed of a motor vehicle warning request.
Engine management system is accepted this request of the rear response of the protection request of reversing gear that change speed gear box control unit sends, and driving engine is realized to fuel cut-off control, and engine output torque is negative value, and regulation speed no longer raises.Then, change speed gear box control unit sends speed of a motor vehicle warning request to gauge panel module, and by CAN bus, gauge panel module is accepted to respond this request after speed of a motor vehicle warning request, carry out gauge panel and show control and chimes of doom control, under prompting chaufeur current working, take care.
The automatic gearbox of vehicles that the present embodiment provides protects control method by the restriction of maximum speed in the process of reversing gear and the speed of a motor vehicle are reported to the police with reversing gear, too high and the contingency that causes of the speed of a motor vehicle while having prevented from reversing gear driving, for automatic gearbox of vehicles reverses gear that safety traffic provides reliably, actv. protection, guarantee that Automatic Transmission can normally work; The Automatic Transmission that the present embodiment provides can be applied in the production quantitatively of various Automatic Transmission products by the protection control method of reversing gear.
In order not affect normal reversing, in the present embodiment, if described in the driving protective condition that reverses gear be false, cancel reverse gear protection request and the speed of a motor vehicle and report to the police and ask, engine management system is in normal working, gauge panel module is not sent warning.
In the present embodiment after gauge panel module sends speed of a motor vehicle warning request; whether judgement is reversed gear to drive a vehicle and is protected exit criteria to set up; if described in the driving protection exit criteria that reverses gear set up; protection request and the described speed of a motor vehicle of reversing gear described in the cancelling request of reporting to the police, described in the driving of reversing gear protect exit criteria to be specially the speed of a motor vehicle lower than threshold values V under the speed of a motor vehicle
low.V
lowfor the value of demarcating according to different automobile types.Now, engine management system recovers normal working, and gauge panel module exits the speed of a motor vehicle of reversing gear and reports to the police.
All or part of content in the technical scheme that above embodiment provides can realize by software programming, and its software program is stored in the storage medium can read, storage medium for example: the hard disk in computing machine, CD or floppy disk.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (2)
1. the protection control method of reversing gear for automatic gearbox of vehicles, is characterized in that, mainly comprises:
Change speed gear box control unit obtains the train signal that reverses gear, described in the train signal that reverses gear comprise engine rotational speed signal, vehicle speed signal and shift signal;
Change speed gear box control unit judges whether the driving protective condition that reverses gear is set up;
If reverse gear, driving protective condition is set up, change speed gear box control unit sends to engine management system the protection request of reversing gear, to gauge panel module, send speed of a motor vehicle warning request, engine management system is accepted this request of the rear response of the protection request of reversing gear that change speed gear box control unit sends, driving engine is realized to fuel cut-off control, engine output torque is negative value, regulation speed no longer raises, gauge panel module is accepted to respond this request after speed of a motor vehicle warning request, carry out gauge panel and show control and chimes of doom control, under prompting chaufeur current working, take care;
Whether the judgement of change speed gear box control unit is reversed gear to drive a vehicle and is protected exit criteria to set up;
If reverse gear, driving protection exit criteria is set up, and the cancellation of change speed gear box control unit is reversed gear after protection request signal and speed of a motor vehicle warning request signal, exits the driving protected mode of reversing gear;
The driving protection exit criteria that reverses gear is specially the speed of a motor vehicle lower than threshold values under the speed of a motor vehicle.
2. the protection control method of reversing gear for automatic gearbox of vehicles according to claim 1, is characterized in that, described in reverse gear driving protective condition be specially the speed of a motor vehicle higher than threshold values in the speed of a motor vehicle or engine speed higher than threshold values on rotating speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010622385.7A CN102092384B (en) | 2010-12-28 | 2010-12-28 | Reverse protection controlling method for automatic gearbox for vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010622385.7A CN102092384B (en) | 2010-12-28 | 2010-12-28 | Reverse protection controlling method for automatic gearbox for vehicle |
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| CN102092384A CN102092384A (en) | 2011-06-15 |
| CN102092384B true CN102092384B (en) | 2014-04-02 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320295A (en) * | 2011-06-20 | 2012-01-18 | 奇瑞汽车股份有限公司 | Self-protection system of car speed control system and control method thereof |
| CN105715783B (en) * | 2015-12-11 | 2018-02-02 | 湖南吉利汽车部件有限公司 | A kind of manual transmission reverses gear error prevention means and method |
| CN106515707B (en) * | 2016-12-09 | 2018-12-18 | 中国矿业大学(北京) | A kind of optional safe backing device of constant speed of intelligence |
| CN115355313B (en) * | 2022-08-31 | 2023-07-07 | 东风商用车有限公司 | Reverse gear vehicle speed adjusting method, device and equipment and readable storage medium |
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| US6086510A (en) * | 1998-08-25 | 2000-07-11 | Mitsubishi Denki Kabushiki Kaisha | Engine-output control unit |
| KR20030047066A (en) * | 2001-12-07 | 2003-06-18 | 현대자동차주식회사 | Method of controlling engine torque at reverse gear for vehicles having continuously variable transmission |
| CN1504659A (en) * | 2002-11-28 | 2004-06-16 | �ִ��Զ�����ʽ���� | Shift control apparatus and shift control method for an automatic transmission |
| KR20060003644A (en) * | 2004-07-07 | 2006-01-11 | 현대자동차주식회사 | An apparatus for preventing rear collision of vehicles |
| CN101153657A (en) * | 2006-09-25 | 2008-04-02 | 加特可株式会社 | System and method of controlling automatic transmission |
| CN201095364Y (en) * | 2006-03-04 | 2008-08-06 | 杨铭域 | Accelerator operation system |
| CN101885332A (en) * | 2010-06-22 | 2010-11-17 | 重庆长安汽车股份有限公司 | Brake auxiliary control method of automobile AT transmission |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0211424A (en) * | 1988-06-28 | 1990-01-16 | Aisin Seiki Co Ltd | Device for detecting erroneous operation at the time of backing vehicle and safety device for erroneous operation |
| JPH04140446A (en) * | 1990-09-30 | 1992-05-14 | Mazda Motor Corp | Idle control device of engine |
| KR100260146B1 (en) * | 1997-11-18 | 2000-08-01 | 정몽규 | Engine control sysytem and method for vehicles having an automatic transmission |
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2010
- 2010-12-28 CN CN201010622385.7A patent/CN102092384B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6086510A (en) * | 1998-08-25 | 2000-07-11 | Mitsubishi Denki Kabushiki Kaisha | Engine-output control unit |
| KR20030047066A (en) * | 2001-12-07 | 2003-06-18 | 현대자동차주식회사 | Method of controlling engine torque at reverse gear for vehicles having continuously variable transmission |
| CN1504659A (en) * | 2002-11-28 | 2004-06-16 | �ִ��Զ�����ʽ���� | Shift control apparatus and shift control method for an automatic transmission |
| KR20060003644A (en) * | 2004-07-07 | 2006-01-11 | 현대자동차주식회사 | An apparatus for preventing rear collision of vehicles |
| CN201095364Y (en) * | 2006-03-04 | 2008-08-06 | 杨铭域 | Accelerator operation system |
| CN101153657A (en) * | 2006-09-25 | 2008-04-02 | 加特可株式会社 | System and method of controlling automatic transmission |
| CN101885332A (en) * | 2010-06-22 | 2010-11-17 | 重庆长安汽车股份有限公司 | Brake auxiliary control method of automobile AT transmission |
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| CN102092384A (en) | 2011-06-15 |
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Effective date of registration: 20160511 Address after: 241006 Wuhu economic and Technological Development Zone, Changchun Road, No. 8, No. Patentee after: CHERY AUTOMOBILE CO., LTD. Address before: 241009 Wuhu economic and Technological Development Zone, Changchun Road, No. 8, No. Patentee before: Saic Chery Automobile Co., Ltd. |
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Address after: 241000 Anhui Province, Wuhu, Hunan Road economic and Technological Development Zone No. 11 Patentee after: Wuhu WanLiYang transmission Co., Ltd. Address before: 241006 Wuhu economic and Technological Development Zone, Changchun Road, No. 8, No. Patentee before: CHERY AUTOMOBILE CO., LTD. |