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CN105715783B - A kind of manual transmission reverses gear error prevention means and method - Google Patents

A kind of manual transmission reverses gear error prevention means and method Download PDF

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Publication number
CN105715783B
CN105715783B CN201510912727.1A CN201510912727A CN105715783B CN 105715783 B CN105715783 B CN 105715783B CN 201510912727 A CN201510912727 A CN 201510912727A CN 105715783 B CN105715783 B CN 105715783B
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CN
China
Prior art keywords
gear
catch
ecu
wheel speed
pressure
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
Application number
CN201510912727.1A
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Chinese (zh)
Other versions
CN105715783A (en
Inventor
莫松泉
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.)
Zhejiang Geely Holding Group Co Ltd
Hunan Geely Automobile Parts Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Hunan Geely Automobile Parts Co Ltd
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Publication date
Application filed by Zhejiang Geely Holding Group Co Ltd, Hunan Geely Automobile Parts Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN201510912727.1A priority Critical patent/CN105715783B/en
Publication of CN105715783A publication Critical patent/CN105715783A/en
Application granted granted Critical
Publication of CN105715783B publication Critical patent/CN105715783B/en
Expired - Fee Related 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
    • F16H61/18Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
    • 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
    • F16H61/18Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
    • F16H2061/185Means, e.g. catches or interlocks, for preventing unintended shift into reverse gear

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)

Abstract

Reversed gear error prevention means and method the invention discloses a kind of manual transmission, mechanism includes wheel speed sensors, ECU, relay and lockable mechanism, the wheel speed sensors are connected with ECU, ECU connects lockable mechanism by relay, lockable mechanism reverses gear on position installed in manual transmission, and lockable mechanism includes motor and catch, and the control terminal of motor is connected with relay, catch is ejected or retracted under motor control, and catch is stuck in the groove for position of reversing gear when ejecting.ECU detects current vehicle speed situation by wheel speed sensors, if automobile during moving forward, is ejected, pinning is reversed gear, and gear lever can not be linked into and reverse gear by driver using the catch of Control lockable mechanism;If current vehicle speed is zero or to travel backward, catch is retracted, and can be linked into and be reversed gear.This programme can prevent driver is linked into by mistake in the process of moving to reverse gear and damage vehicle, improve traffic safety.

Description

A kind of manual transmission reverses gear error prevention means and method
Technical field
The present invention relates to field of vehicle control, reversed gear error prevention means and method more particularly, to a kind of manual transmission.
Background technology
Automatic transmission is equipped with safety locking mechanism at present, in order to prevents automobile from being sent out in the way to travel forward Raw be linked into by mistake is reversed gear and causes gearbox gear to hit and damage casing, causes personal damage and property loss.But current There is no this safety locking mechanism in manual gear vehicle, therefore during automobile forward high-speed cruising, the gear in casing The operation of high rotating speed, it is linked into reverse gear by mistake and is hit when high-speed cruising gear can be caused to be combined with low speed operation gear, gently then gear destruction, Heavy then gearbox damages.
State Intellectual Property Office of the People's Republic of China disclosed a kind of entitled " hand gear on October 31st, 2012 Device reverses gear lock " patent document(Notification number:CN202510699U), it includes reverse gear latching mechanism, reverse gear lock pin and shifting Axle, the reverse gear latching mechanism include reverse gear closing piece, cover plate, cylinder boss and return spring, and described closing piece one end of reversing gear is provided with With the A working faces and B working faces of lock pin cooperation of reversing gear, the A working faces are connected with B working faces by small curvature arc of radius face, A It is raised cambered surface in the middle part of working face, the closing piece return spring seat that reverses gear, the closing piece that reverses gear is provided with the other end for the closing piece that reverses gear Return spring seat is equipped with return spring one end.This scheme can prevent vehicle from hanging R gears by mistake, but it is controlled according to transmission state Whether system is pinned and is reversed gear, or vehicle easily occurs and be suspended to when advancing to reverse gear so as to the situation for damaging speed changer occur.
The content of the invention
The vehicle that is likely to occur of the invention mainly solved present in prior art is also suspended to damage change of reversing gear when advancing The technical problem of fast device etc., there is provided it is a kind of according to wheel speed judge whether pinning reverse gear, driver will not maloperation cause vehicle to damage Manual transmission that is bad or influenceing traffic safety reverses gear error prevention means and method.
The present invention is mainly what is be addressed by following technical proposals for above-mentioned technical problem:A kind of manual transmission Reverse gear error prevention means, including wheel speed sensors, ECU (Electronic Control Unit, electronic control unit), relay And lockable mechanism, the wheel speed sensors are connected with ECU, ECU connects lockable mechanism by relay, and lockable mechanism is arranged on hand Dynamic speed changer reverses gear on position, and lockable mechanism includes motor and catch, and the control terminal of motor is connected with relay, and catch is in motor The lower ejection of control is retracted, and catch is stuck in the groove for position of reversing gear when ejecting.
ECU detects current vehicle speed situation by wheel speed sensors, if automobile during moving forward, utilizes relay The catch ejection of device control lockable mechanism, pinning are reversed gear, and gear lever can not be linked into and reverse gear by driver;If current vehicle speed is zero Or to travel backward, then catch is retracted, and can be linked into and be reversed gear.
Preferably, manual transmission reverses gear, error prevention means also include pressure sensor and alarm, the pressure sensing Device is arranged on gear lever correspondence position on the outside of catch, and pressure sensor and alarm are all connected to ECU.
Alarm is installed in the car.ECU can detect whether driver is wrong to be linked into gear lever by pressure sensor The intention reversed gear, if having detected maloperation intention, alarmed by alarm.
Preferably, also include entering retaining device automatically, it is described to enter retaining device automatically in gearbox and connect with ECU Connect.
Automatically enter retaining device can be in the maloperation of driver's long-time and without being linked into conjunction by gearbox automatically during correction Suitable gear, prevent from influenceing normal driving.
Preferably, the alarm includes voice broadcast module.
Voice alarm module can be prompted by voice broadcast.
Preferably, manual transmission reverses gear, error prevention means also include the outer alarming device of car, the outer alarming device of the car with ECU connections.
When maloperation occurs in driver, alarming device is warned outside car, reminds nearby vehicle to be avoided.
A kind of the reverse gear manual transmission of error prevention means of foregoing manual transmission reverses gear error-preventing method, including following step Suddenly:
S01, ECU detect current wheel speed by wheel speed sensors, if current wheel speed is 0 or travelled backward, enter step Rapid S02;If current wheel speed is not 0 and moved forward, into step S03;
S02, ECU drive catch by Control motor, catch is retracted, it is allowed to which gear lever enters the groove for position of reversing gear It is interior, return to step S01;
S03, ECU drive catch by Control motor, eject catch, pin the groove for position of reversing gear, forbid switching To reversing gear, return to step S01.
Preferably, when catch ejects, in addition to following control method:
S031, pressure sensor detect whether the pressure by gear lever, enter if the pressure for detecting gear lever Step S032;
S032, pressure duration and number are detected, if the duration presses more than generation twice is exceeded in 2 seconds or 1 second Power, then into step S033;
S033, alarm are alarmed, and prompt driver's operating mistake.
Alarm can be the suggestion devices such as sound, light, image.
It is preferably, further comprising the steps of after step S033:
S034, when detecting pressure duration more than pressure is continuously generated in 5 seconds or 5 seconds, then enter automatically retaining device will Gear is switched to the gear of a gear smaller than current shift;
S035, voice broadcast module report current gear.
Pressure duration meaned that driver had attempted to be linked into more than 5 seconds and reversed gear, and continuously generated pressure i.e. in 5 seconds Driver has repeatedly, last longer attempts to be linked into the operation reversed gear, and do not recognized according to alarm prompting ought Preceding operation is wrong, now needs that gear is switched into lower than current shift one gear kept off by entering retaining device automatically, Prevent from influenceing normal driving without suitable gear for a long time.
It is preferably, further comprising the steps of after step S035:
The outer alarming device of S036, car is warned.
The trigger condition of the outer alarming device of car can voluntarily be set as needed.It can generally be acted with retaining device is entered automatically It is consistent, represent that driver more seriously generates driving maloperation, this car has certain potential safety hazard, alert Show that nearby vehicle avoids.
The manual transmission error prevention means that reverse gear can also include wireless communication module, when entering retaining device action automatically, lead to Cross wireless communication module and transmit a signal to traffic department or driver kith and kin, facilitate corresponding personnel to advise driver to stop dangerous Drive.
The substantial effect that the present invention is brought be prevent manual transmission automobile run forward during be linked into down by mistake Gear, causes personal casualty loss and property loss, and driver is reminded in time when having the intention of maloperation, and selects suitable interim Processing mode, improve traffic safety.
Brief description of the drawings
Fig. 1 is a kind of electrical block diagram of the present invention;
In figure:1st, wheel speed sensors, 2, ECU, 3, relay, 4, lockable mechanism, 5, pressure sensor, 6, alarm, 7, Automatically retaining device is entered, 8, the outer alarming device of car.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment:A kind of manual transmission of the present embodiment reverses gear error prevention means, as shown in figure 1, including wheel speed sensors 1st, ECU2, relay 3, lockable mechanism 4, pressure sensor 5, alarm 6, enter the outer alarming device 8 of retaining device 7 and car automatically.Wheel Fast sensor 1, relay 3, pressure sensor 5, alarm 6, enter the outer alarming device 8 of retaining device 7 and car automatically and all connect with ECU2 Connect, lockable mechanism 4 includes motor and catch, and motor is connected with relay 3.Lockable mechanism 4 reverses gear on position installed in speed changer, Catch is ejected or retracted under motor control, and catch is stuck in when ejecting and reversed gear on position, and now gear lever can not be linked into position of reversing gear.
Pressure sensor 5 is arranged on the outside of catch and gear lever correspondence position.Automatically enter retaining device 7 and be arranged on gearbox It is interior.Alarm 6 is installed in the car, including voice broadcast module.The outer alarming device 8 of car is arranged on automobile external.
A kind of manual transmission of the present embodiment reverses gear error-preventing method, comprises the following steps:
S01, ECU detect current wheel speed by wheel speed sensors, if current wheel speed is 0 or travelled backward, enter step Rapid S02;If current wheel speed is not 0 and moved forward, into step S03;
S02, ECU drive catch by Control motor, catch is retracted, it is allowed to which gear lever enters the groove for position of reversing gear It is interior, return to step S01;
S03, ECU drive catch by Control motor, eject catch, pin the groove for position of reversing gear, forbid switching To reversing gear, return to step S01.
When catch ejects, in addition to following control method:
S031, pressure sensor detect whether the pressure by gear lever, enter if the pressure for detecting gear lever Step S032;
S032, pressure duration and number are detected, if the duration presses more than generation twice is exceeded in 2 seconds or 1 second Power, then into step S033;
S033, alarm are alarmed, and prompt driver's operating mistake;
S034, when detecting pressure duration more than pressure is continuously generated in 5 seconds or 5 seconds, then enter automatically retaining device will Gear is switched to the gear of a gear smaller than current shift;
S035, voice broadcast module report current gear;
The outer alarming device of S036, car is warned.
Pressure duration meaned that driver had attempted to be linked into more than 5 seconds and reversed gear, and continuously generated pressure i.e. in 5 seconds Driver has repeatedly, last longer attempts to be linked into the operation reversed gear, and do not recognized according to alarm prompting ought Preceding operation is wrong, now needs that gear is switched into lower than current shift one gear kept off by entering retaining device automatically, Prevent from influenceing normal driving without suitable gear for a long time.
The trigger condition of the outer alarming device of car can voluntarily be set as needed.It can generally be acted with retaining device is entered automatically It is consistent, represent that driver more seriously generates driving maloperation, this car has certain potential safety hazard, alert Show that nearby vehicle avoids.
The manual transmission error prevention means that reverse gear can also include wireless communication module, when entering retaining device action automatically, lead to Cross wireless communication module and transmit a signal to traffic department or driver kith and kin, facilitate corresponding personnel to advise driver to stop dangerous Drive.
This programme can prevent the automobile of manual transmission is linked into by mistake during running forward to reverse gear, and cause personal casualty loss And property loss, driver are reminded in time when having the intention of maloperation, and suitable interim processing mode is selected, improve row Car safety.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used the terms such as wheel speed sensors, ECU, lockable mechanism herein, it is not precluded from using other The possibility of term.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms;They are explained The limitation additional into any one is all disagreed with spirit of the present invention.

Claims (3)

1. a kind of manual speed variator reverse gear error prevention means, it is characterised in that including wheel speed sensors, ECU, relay and locking machine Structure, the wheel speed sensors are connected with ECU, and ECU connects lockable mechanism by relay, and lockable mechanism is arranged on manual transmission Reverse gear position on, lockable mechanism includes motor and catch, and the control terminal of motor is connected with relay, catch bullet under motor control Go out or retract, catch is stuck in the groove of reverse gear position when ejecting;Also include pressure sensor and alarm, the pressure sensor peace With gear lever correspondence position on the outside of catch, pressure sensor and alarm are all connected to ECU;Also include the automatic machine that files Structure, it is described to enter gear mechanism automatically and be arranged in gearbox and be connected with ECU;Also include the outer alarming device of car, warned outside the car Device is connected with ECU, and the alarm includes voice broadcast module;
The ECU is the ECU for performing following steps:
S01, ECU detect current wheel speed by wheel speed sensors, if current wheel speed is 0 or travelled backward, into step S02;If current wheel speed is not 0 and moved forward, into step S03;
S02, ECU drive catch by Control motor, catch is retracted, it is allowed to and gear lever enters in the groove of reverse gear position, Return to step S01;
S03, ECU drive catch by Control motor, eject catch, pin the groove of reverse gear position, forbid being switched to down Shelves, return to step S01;
The alarm is the controlled alarm for performing following control method when catch ejects:
S031, pressure sensor detect whether the pressure by gear lever, and step is entered if the pressure for detecting gear lever S032;
S032, detection pressure duration and number, if the duration produce pressure twice more than exceeding in 2 seconds or 1 second, Into step S033;
S033, alarm are alarmed, and prompt driver's operating mistake;
S034, when detecting that pressure duration more than pressure is continuously generated in 5 seconds or 5 seconds, then enters gear mechanism by gear automatically It is switched to one grade smaller than current gear of gear;
S035, voice broadcast module report current gear.
2. a kind of manual speed variator reverse gear error-preventing method of manual speed variator reverse gear error prevention means according to claim 1, It is characterised in that it includes following steps:
S01, ECU detect current wheel speed by wheel speed sensors, if current wheel speed is 0 or travelled backward, into step S02;If current wheel speed is not 0 and moved forward, into step S03;
S02, ECU drive catch by Control motor, catch is retracted, it is allowed to and gear lever enters in the groove of reverse gear position, Return to step S01;
S03, ECU drive catch by Control motor, eject catch, pin the groove of reverse gear position, forbid being switched to down Shelves, return to step S01;
When catch ejects, in addition to following control method:
S031, pressure sensor detect whether the pressure by gear lever, and step is entered if the pressure for detecting gear lever S032;
S032, detection pressure duration and number, if the duration produce pressure twice more than exceeding in 2 seconds or 1 second, Into step S033;
S033, alarm are alarmed, and prompt driver's operating mistake;
S034, when detecting that pressure duration more than pressure is continuously generated in 5 seconds or 5 seconds, then enters gear mechanism by gear automatically It is switched to one grade smaller than current gear of gear;
S035, voice broadcast module report current gear.
3. a kind of manual speed variator reverse gear error-preventing method according to claim 2, it is characterised in that after step S035 also Comprise the following steps:
The outer alarming device of S036, car is warned.
CN201510912727.1A 2015-12-11 2015-12-11 A kind of manual transmission reverses gear error prevention means and method Expired - Fee Related CN105715783B (en)

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CN201510912727.1A CN105715783B (en) 2015-12-11 2015-12-11 A kind of manual transmission reverses gear error prevention means and method

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Application Number Priority Date Filing Date Title
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CN105715783B true CN105715783B (en) 2018-02-02

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101962537B1 (en) * 2017-06-22 2019-03-26 현대트랜시스 주식회사 Reverse Shift Control Device and Method Thereof
CN107298104B (en) * 2017-06-28 2020-09-15 北京新能源汽车股份有限公司 Control method and system of gear shift lever
CN111572449B (en) * 2020-04-28 2022-04-29 东风汽车集团有限公司 Intelligent automobile backing warning system and control method thereof

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CN102092384A (en) * 2010-12-28 2011-06-15 奇瑞汽车股份有限公司 Reverse protection controlling method for automatic gearbox for vehicle
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CN1081149A (en) * 1992-07-06 1994-01-26 易通公司 Shift control method and shifting control system
CN102092384A (en) * 2010-12-28 2011-06-15 奇瑞汽车股份有限公司 Reverse protection controlling method for automatic gearbox for vehicle
CN202674287U (en) * 2012-05-29 2013-01-16 浙江吉利汽车研究院有限公司杭州分公司 Control device for protecting vehicles from being shifted into gear P by mistake
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