CN106321807B - A method of prevent automatic gear-box from accidentally hanging P gear - Google Patents
A method of prevent automatic gear-box from accidentally hanging P gear Download PDFInfo
- Publication number
- CN106321807B CN106321807B CN201610992421.6A CN201610992421A CN106321807B CN 106321807 B CN106321807 B CN 106321807B CN 201610992421 A CN201610992421 A CN 201610992421A CN 106321807 B CN106321807 B CN 106321807B
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- Prior art keywords
- gear
- box
- accidentally
- data
- automatic gear
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control 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
- F16H61/02—Control 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
- F16H2061/1212—Plausibility checks; Counting means for repeated failures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
- F16H2061/1216—Display or indication of detected failures
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The present invention relates to a kind of methods for preventing automatic gear-box from accidentally hanging P gear of automatic gear-box technical field, it the steps include: that vehicle speed data and gear data are sent to TCU by vehicle speed sensor and shift sensor, TCU receives above-mentioned data and carries out logical operation, when gear data are that P is kept off and speed is greater than speed limit value, activate error code, trouble light is lighted, and error code and the number of stoppages are written to the memory module of TCU.In the case that present invention maloperation when gear lever is greater than speed limit value is linked into P gear, the timely alert of TCU can be passed through and record error code and accidentally hang number, guiding the proper use of automatic gear-box of user simultaneously, to retain foundation when gearbox repairing, maintenance personal directly and rapidly can obtain the reason of gearbox damages according to the data that automatic gear-box control unit TCU is saved, reduce the time of maintenance personal's accident analysis and breakdown judge, the period for shortening gearbox repairing avoids and generates dispute because of responsibility judgment between user and producer.
Description
Technical field
The present invention relates to automatic gear-box technical field more particularly to a kind of methods for preventing automatic gear-box from accidentally hanging P gear.
Background technique
Gearbox can be divided into manual transmission and automatic gear-box according to the difference of control mode, and manual transmission is in vehicle
Gear lever can be on gear after parking, can also be in neutral gear, and lower Chinese herbaceous peony tenses parking brake, and maloperation is not present.
Automatic gear-box has the i.e. parking of P gear to keep off, and prevents car slipping after parking, and gearbox passes through mechanical parts pawl for vehicle
It is fixed.Automatic gear-box parking after gear lever must be linked into P gear just can car locking, if will be slided before speed is reduced to 0km/h
Bar is linked into P gear from D gear (forward gear) or R gear (reversing gear), and at this moment pawl chance forces vehicle moment to stop, if speed is higher
In the case where be linked into P gear, pawl suffers from the abrasion of strength, and the iron filings for even resulting in bulk fall off, and iron filings reach certain
Quantity will clogging hydraulic system oil-way, and then cause too low working connection oil pressure, slipping of clutch, clutch friction plate burn
Knot, gearbox are scrapped.
Currently, gearbox both domestic and external is all without the bypassing method designed for this maloperation, Ruo Fashengyin is accidentally grasped
It is linked into that P gear causes gearbox to damage or when scrapping, the data that maintenance personal cannot record according to automatic gear-box controller are straight
Whether the reason of obtaining and take fault type, and judging gearbox damage or scrap is to become caused by maloperation or other reasons
In the process of fast case maintenance, due to can not directly determine responsible party, it is long and dilatory to cause the gearbox repairing phase, influence user and
The satisfaction of producer both sides.
Summary of the invention
The present invention proposes that a kind of method for preventing automatic gear-box from accidentally hanging P gear, this method can be when maloperation be linked into P gear
Fault message is alarmed and recorded in time.
The technical scheme is that a kind of method for preventing automatic gear-box from accidentally hanging P gear, comprising the following steps:
(1) the gear data of vehicle speed data and gear lever are sent to automatically by vehicle speed sensor and shift sensor respectively
Gear box control unit TCU, automatic gear-box control unit TCU receive above-mentioned data；
(2) automatic gear-box control unit TCU carries out logical operation according to data information received in step (1), works as gear
When position data are that P is kept off and speed is more than or equal to speed limit value, execute step (3)；
(3) error code that automatic gear-box control unit TCU activates P gear accidentally to hang, P gear accidentally hang counting unit numerical value and add 1；
(4) P is kept off the numerical value for accidentally hanging counting unit compared with setting value by automatic gear-box control unit TCU, is accidentally hung when P is kept off
When the numerical value of counting unit is greater than the set value, execute step (5)；
(5) automatic gear-box control unit TCU exports fault cues information on automobile instrument panel.
As a preferred technical solution, in step (5), the method that fault cues information is exported on automobile instrument panel includes
It exports error code, prompt statement and lights trouble light.
It as a preferred technical solution, further include while exporting fault cues information on automobile instrument panel, automatic
This error code is written in the data memory module of gear box control unit TCU and P gear misses the step of hanging total degree.
By adopting the above-described technical solution, the beneficial effects of the present invention are: the present invention according to the vehicle speed data of detection and
The gear data of gear lever carry out logical operation, and when real-time speed is greater than speed limit value, gear lever maloperation is linked into P gear, from
Dynamic gear box control unit TCU alert and can record error code and accidentally hang number in time, correct in guidance user
Simultaneously using automatic gear-box, to provide foundation when gearbox repairing, maintenance personal can directly and rapidly become according to automatic
The data that fast case control unit TCU is saved obtain the reason of gearbox damage.Reduce maintenance personal's accident analysis and failure is sentenced
The disconnected time shortens the period of gearbox repairing, avoids and generates dispute because of responsibility judgment between user and producer.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the program flow diagram of the embodiment of the present invention；
Fig. 2 is the logical operation figure of automatic gear-box control unit TCU in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As Fig. 1 and Fig. 2 jointly shown in, a method of prevent automatic gear-box accidentally hang P gear, comprising the following steps:
(1) the gear data of vehicle speed data and gear lever are sent to automatically by vehicle speed sensor and shift sensor respectively
Gear box control unit TCU, automatic gear-box control unit TCU receive above-mentioned data；
(2) automatic gear-box control unit TCU carries out logical operation, operation according to data information received in step (1)
Method be by shift sensor transmission representative gear lever position gear data and indicate P keep off setting value compare
Compared with, while by the vehicle speed value of vehicle speed sensor transmission compared with speed limit value, two comparison results are subjected to logic and operation, when
When operation result is 1, i.e., when gear data are P gear and speed is more than or equal to speed limit value, execute step (3)；
(3) error code that automatic gear-box control unit TCU activates P gear accidentally to hang, P gear accidentally hang counting unit numerical value and add 1；
(4) P is kept off the numerical value for accidentally hanging counting unit compared with setting value by automatic gear-box control unit TCU, is accidentally hung when P is kept off
When the numerical value of counting unit is greater than the set value, i.e., when P, which is kept off, accidentally hangs number more than setting value, execute step (5)；
(5) automatic gear-box control unit TCU exports fault cues information on automobile instrument panel, defeated on automobile instrument panel
The method for the prompt information that is out of order is including output error code, prompt statement and lights trouble light.
May be set in the prompt statement exported on automobile instrument panel is signal languages such as " operating mistake forbid being linked into P gear "
Sentence.
While exporting fault cues information on automobile instrument panel, deposited in the data of automatic gear-box control unit TCU
This error code is written in storage module and P gear accidentally hangs total degree.
In the present embodiment, when P gear accidentally hangs number less than setting value, fault message is not prompted, such as setting value is 2, when P is kept off
When accidentally hanging number less than 2, it is allowed, when P gear, which accidentally hangs number, is greater than 2, just prompts fault message.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of method for preventing automatic gear-box from accidentally hanging P gear, which comprises the following steps:
(1) the gear data of vehicle speed data and gear lever are sent to fluid drive respectively by vehicle speed sensor and shift sensor
Case control unit TCU, automatic gear-box control unit TCU receive above-mentioned data；
(2) automatic gear-box control unit TCU carries out logical operation according to data information received in step (1), works as gear number
When according to being that P is kept off and speed is more than or equal to speed limit value, execute step (3)；
(3) error code that automatic gear-box control unit TCU activates P gear accidentally to hang, P gear accidentally hang counting unit numerical value and add 1；
(4) P is kept off the numerical value for accidentally hanging counting unit compared with setting value by automatic gear-box control unit TCU, is counted when P keeps off accidentally hanging
When the numerical value of unit is greater than the set value, execute step (5)；
(5) automatic gear-box control unit TCU exports fault cues information on automobile instrument panel.
2. a kind of method for preventing automatic gear-box from accidentally hanging P gear as described in claim 1, it is characterised in that: in step (5)
In, the method for fault cues information is exported on automobile instrument panel including output error code, prompt statement and lights trouble light.
3. a kind of method for preventing automatic gear-box from accidentally hanging P gear as described in claim 1, it is characterised in that: further include in vapour
While exporting fault cues information on vehicle instrument board, be written in the data memory module of automatic gear-box control unit TCU
The step of this error code and P gear accidentally hang total degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992421.6A CN106321807B (en) | 2016-11-09 | 2016-11-09 | A method of prevent automatic gear-box from accidentally hanging P gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992421.6A CN106321807B (en) | 2016-11-09 | 2016-11-09 | A method of prevent automatic gear-box from accidentally hanging P gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106321807A CN106321807A (en) | 2017-01-11 |
| CN106321807B true CN106321807B (en) | 2019-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610992421.6A Active CN106321807B (en) | 2016-11-09 | 2016-11-09 | A method of prevent automatic gear-box from accidentally hanging P gear |
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| CN (1) | CN106321807B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255162B (en) * | 2017-05-24 | 2020-02-18 | 吉利汽车研究院（宁波）有限公司 | Electronic gear shifting device |
| CN111706671B (en) * | 2020-08-18 | 2020-12-11 | 北京航空航天大学 | Vehicle gear shifting driving control method under no speed signal |
Citations (4)
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| CN1696544A (en) * | 2005-06-01 | 2005-11-16 | 成都依姆特高科技有限责任公司 | Method for recognizing and controlling error operations for motor vehicle |
| CN102027270A (en) * | 2008-05-13 | 2011-04-20 | 丰田自动车株式会社 | Abnormality judgment device and abnormality judgment method of shift switching mechanism |
| CN103453130A (en) * | 2012-05-28 | 2013-12-18 | 浙江青年乘用车集团有限公司 | Electric automobile shifter fault diagnosis system and method |
| CN103711892A (en) * | 2013-12-30 | 2014-04-09 | 长城汽车股份有限公司 | Automatic catch vehicle shifter accidentally-engaging prevention method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4420007B2 (en) * | 2006-10-13 | 2010-02-24 | トヨタ自動車株式会社 | Automatic transmission range switching device |
| CN203698106U (en) * | 2013-12-31 | 2014-07-09 | 郑州贯沣电子科技有限公司 | Detecting device for neutral-gear sliding of heavy-loaded vehicle |
| US9494232B2 (en) * | 2015-01-07 | 2016-11-15 | GM Global Technology Operations LLC | Method and apparatus for monitoring a transmission range selector |
-
2016
- 2016-11-09 CN CN201610992421.6A patent/CN106321807B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696544A (en) * | 2005-06-01 | 2005-11-16 | 成都依姆特高科技有限责任公司 | Method for recognizing and controlling error operations for motor vehicle |
| CN102027270A (en) * | 2008-05-13 | 2011-04-20 | 丰田自动车株式会社 | Abnormality judgment device and abnormality judgment method of shift switching mechanism |
| CN103453130A (en) * | 2012-05-28 | 2013-12-18 | 浙江青年乘用车集团有限公司 | Electric automobile shifter fault diagnosis system and method |
| CN103711892A (en) * | 2013-12-30 | 2014-04-09 | 长城汽车股份有限公司 | Automatic catch vehicle shifter accidentally-engaging prevention method |
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| CN106321807A (en) | 2017-01-11 |
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